/* ============================================================
   İnodya DMA — dma.inodya.com
   Tasarım dili orion.inodya.com ile uyumludur.
   Renk dengesi: %55 beyaz/kırık beyaz, %25 lacivert,
   %15 mavi/turkuaz, en fazla %5 turuncu.
   ============================================================ */

/* ---------------------------------------------- 1. Tokenlar */

:root {
    /* Marka */
    --navy: #1e3a5f;
    --navy-dark: #0a2540;
    --navy-light: #2d5a87;
    --water-blue: #0ea5e9;
    --water-teal: #14b8a6;
    --orange: #e85d04;
    --orange-light: #f48c06;
    --orange-dark: #d45103;

    /* Yüzeyler */
    --white: #ffffff;
    --gray-light: #f5f7fa;
    --gray-medium: #e1e5eb;
    --gray-dark: #6b7280;

    /* Anlamsal */
    --text: var(--navy);
    --text-muted: var(--gray-dark);
    --surface: var(--white);
    --surface-alt: var(--gray-light);
    --border: var(--gray-medium);

    /* Tipografi */
    --font-primary: "Outfit", "Segoe UI", system-ui, sans-serif;
    --font-mono: "Space Mono", ui-monospace, "SFMono-Regular", monospace;

    --step--1: clamp(0.82rem, 0.79rem + 0.15vw, 0.9rem);
    --step-0: clamp(1rem, 0.96rem + 0.2vw, 1.08rem);
    --step-1: clamp(1.15rem, 1.08rem + 0.35vw, 1.35rem);
    --step-2: clamp(1.4rem, 1.25rem + 0.7vw, 1.85rem);
    --step-3: clamp(1.75rem, 1.45rem + 1.4vw, 2.6rem);
    --step-4: clamp(2.1rem, 1.6rem + 2.3vw, 3.35rem);
    --step-5: clamp(2.4rem, 1.75rem + 2.9vw, 4.05rem);

    /* Ölçek */
    --wrap: 1240px;
    --wrap-narrow: 820px;
    --gutter: clamp(1.15rem, 4vw, 2.5rem);
    --section-y: clamp(4rem, 7.5vw, 6.75rem);
    --radius-sm: 10px;
    --radius: 18px;
    --radius-lg: 26px;

    /* Gölge */
    --shadow-sm: 0 2px 8px rgba(30, 58, 95, 0.08);
    --shadow-md: 0 10px 30px rgba(30, 58, 95, 0.1);
    --shadow-lg: 0 26px 60px rgba(10, 37, 64, 0.16);
    --shadow-orange: 0 12px 32px rgba(232, 93, 4, 0.28);

    /* Hareket */
    --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
    --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
    --t-fast: 0.2s;
    --t: 0.35s;
    --t-slow: 0.7s;
}

/* ------------------------------------------- 2. Temel katman */

*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    scroll-padding-block-start: 6rem;
}

body {
    font-family: var(--font-primary);
    font-size: var(--step-0);
    line-height: 1.65;
    color: var(--text);
    background: var(--surface);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

html[dir="rtl"] body {
    font-family: "IBM Plex Sans Arabic", "Noto Sans Arabic", var(--font-primary);
    line-height: 1.85;
}

img,
svg,
picture {
    display: block;
    max-width: 100%;
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    font: inherit;
    color: inherit;
    background: none;
    border: 0;
    cursor: pointer;
}

ul,
ol {
    list-style: none;
}

/* display kuralları hidden özniteliğini ezmemeli */
[hidden] {
    display: none !important;
}

h1,
h2,
h3,
h4 {
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.02em;
    text-wrap: balance;
}

html[dir="rtl"] h1,
html[dir="rtl"] h2,
html[dir="rtl"] h3,
html[dir="rtl"] h4 {
    letter-spacing: normal;
    line-height: 1.35;
}

p {
    text-wrap: pretty;
}

:focus-visible {
    outline: 3px solid var(--water-blue);
    outline-offset: 3px;
    border-radius: 4px;
}

::selection {
    background: var(--water-blue);
    color: var(--white);
}

.skip-link {
    position: absolute;
    inset-block-start: -100px;
    inset-inline-start: 1rem;
    z-index: 2000;
    padding: 0.75rem 1.25rem;
    background: var(--navy-dark);
    color: var(--white);
    border-radius: 0 0 var(--radius-sm) var(--radius-sm);
    transition: inset-block-start var(--t) var(--ease-out);
}

.skip-link:focus {
    inset-block-start: 0;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ------------------------------------------- 3. Yerleşim */

.wrap {
    width: min(100% - (var(--gutter) * 2), var(--wrap));
    margin-inline: auto;
}

.wrap-narrow {
    width: min(100% - (var(--gutter) * 2), var(--wrap-narrow));
    margin-inline: auto;
}

.section {
    position: relative;
    padding-block: var(--section-y);
}

.section--alt {
    background: var(--surface-alt);
}

.section--dark {
    background:
        radial-gradient(120% 90% at 80% 0%, rgba(14, 165, 233, 0.22), transparent 60%),
        linear-gradient(160deg, var(--navy-dark), #071a2e 60%, var(--navy-dark));
    color: rgba(255, 255, 255, 0.86);
}

.section--dark h2,
.section--dark h3,
.section--dark h4 {
    color: var(--white);
}

.section--tight {
    padding-block: clamp(3rem, 6vw, 5rem);
}

.grid {
    display: grid;
    gap: clamp(1.25rem, 2.6vw, 2rem);
}

.split {
    display: grid;
    gap: clamp(2rem, 5vw, 4.5rem);
    align-items: center;
}

.split--top {
    align-items: start;
}

@media (min-width: 900px) {
    .split {
        grid-template-columns: 1fr 1fr;
    }

    .split--wide-media {
        grid-template-columns: 0.92fr 1.08fr;
    }

    .split--wide-text {
        grid-template-columns: 1.08fr 0.92fr;
    }

    .split--reverse > :first-child {
        order: 2;
    }
}

/* ------------------------------------------- 4. Tipografik parçalar */

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-family: var(--font-mono);
    font-size: var(--step--1);
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--water-blue);
    margin-block-end: 1rem;
}

html[dir="rtl"] .eyebrow {
    letter-spacing: normal;
    font-family: var(--font-primary);
}

.eyebrow::before {
    content: "";
    inline-size: 26px;
    block-size: 2px;
    background: currentColor;
    border-radius: 2px;
    flex: none;
}

.section--dark .eyebrow {
    color: var(--water-teal);
}

.section-title {
    font-size: var(--step-3);
    margin-block-end: 1.1rem;
}

.section-lead {
    font-size: var(--step-1);
    color: var(--text-muted);
    max-width: 62ch;
}

.section--dark .section-lead {
    color: rgba(255, 255, 255, 0.74);
}

.section-head {
    max-width: 68ch;
    margin-block-end: clamp(2.25rem, 5vw, 3.5rem);
}

.section-head--center {
    margin-inline: auto;
    text-align: center;
}

.section-head--center .eyebrow {
    justify-content: center;
}

.mono {
    font-family: var(--font-mono);
    font-variant-numeric: tabular-nums;
}

/* Karışık yönlü dizeler (10.000 m³, Orion, DMA) çevre metinden yalıtılır. */
.mono,
.tree-meta,
.node-value,
.scenario-stat .value,
.article-meta,
.formula-expr {
    unicode-bidi: isolate;
}

.text-muted {
    color: var(--text-muted);
}

/* ------------------------------------------- 5. Butonlar */

.btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.95rem 1.7rem;
    font-weight: 600;
    font-size: var(--step-0);
    border-radius: 100px;
    border: 2px solid transparent;
    transition: transform var(--t) var(--ease-out), box-shadow var(--t) var(--ease-out),
        background-color var(--t) var(--ease-out), color var(--t) var(--ease-out),
        border-color var(--t) var(--ease-out);
    isolation: isolate;
    overflow: hidden;
    white-space: nowrap;
}

.btn svg {
    flex: none;
    transition: transform var(--t) var(--ease-out);
}

html[dir="rtl"] .btn svg {
    transform: scaleX(-1);
}

.btn:hover svg {
    transform: translateX(3px);
}

html[dir="rtl"] .btn:hover svg {
    transform: scaleX(-1) translateX(3px);
}

.btn--primary {
    background: var(--orange);
    color: var(--white);
    box-shadow: var(--shadow-orange);
}

.btn--primary::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background: linear-gradient(120deg, var(--orange-light), var(--orange-dark));
    opacity: 0;
    transition: opacity var(--t) var(--ease-out);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 18px 40px rgba(232, 93, 4, 0.36);
}

.btn--primary:hover::before {
    opacity: 1;
}

.btn[disabled],
.btn[aria-disabled="true"] {
    opacity: 0.45;
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
}

.btn[disabled]:hover,
.btn[aria-disabled="true"]:hover {
    transform: none;
    box-shadow: none;
}

.btn--ghost {
    border-color: var(--border);
    color: var(--navy);
    background: var(--white);
}

.btn--ghost:hover {
    border-color: var(--navy-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn--on-dark {
    border-color: rgba(255, 255, 255, 0.32);
    color: var(--white);
    background: rgba(255, 255, 255, 0.06);
    backdrop-filter: blur(10px);
}

.btn--on-dark:hover {
    border-color: rgba(255, 255, 255, 0.7);
    background: rgba(255, 255, 255, 0.14);
    transform: translateY(-2px);
}

.btn-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.9rem;
    margin-block-start: 2rem;
}

.link-arrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    color: var(--water-blue);
    transition: gap var(--t) var(--ease-out), color var(--t) var(--ease-out);
}

.link-arrow svg {
    transition: transform var(--t) var(--ease-out);
}

html[dir="rtl"] .link-arrow svg {
    transform: scaleX(-1);
}

.link-arrow:hover {
    gap: 0.85rem;
    color: var(--navy);
}

/* ------------------------------------------- 6. Gezinme */

.navbar {
    position: fixed;
    inset-block-start: 0;
    inset-inline: 0;
    z-index: 1000;
    padding-block: 1.1rem;
    transition: background-color var(--t) var(--ease-out), padding var(--t) var(--ease-out),
        box-shadow var(--t) var(--ease-out);
}

.navbar.is-scrolled {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(18px) saturate(140%);
    box-shadow: var(--shadow-sm);
    padding-block: 0.6rem;
}

.navbar-inner {
    width: min(100% - (var(--gutter) * 2), var(--wrap));
    margin-inline: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
}

.navbar-logo {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    flex: none;
}

.navbar-logo img {
    height: 36px;
    width: auto;
    filter: brightness(0) invert(1);
    transition: filter var(--t) var(--ease-out), height var(--t) var(--ease-out);
}

.navbar.is-scrolled .navbar-logo img,
.navbar.is-solid .navbar-logo img {
    filter: none;
    height: 32px;
}

.navbar-logo-tag {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    padding: 0.2rem 0.5rem;
    border-radius: 5px;
    color: var(--white);
    background: rgba(255, 255, 255, 0.16);
    border: 1px solid rgba(255, 255, 255, 0.28);
    transition: color var(--t), background-color var(--t), border-color var(--t);
}

.navbar.is-scrolled .navbar-logo-tag,
.navbar.is-solid .navbar-logo-tag {
    color: var(--orange);
    background: rgba(232, 93, 4, 0.1);
    border-color: rgba(232, 93, 4, 0.25);
}

.navbar-menu {
    display: flex;
    align-items: center;
    gap: clamp(1rem, 2vw, 1.9rem);
}

.navbar-links {
    display: flex;
    align-items: center;
    gap: clamp(0.9rem, 1.7vw, 1.6rem);
}

.navbar-links a {
    position: relative;
    font-size: 0.95rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.86);
    padding-block: 0.4rem;
    transition: color var(--t) var(--ease-out);
}

.navbar.is-scrolled .navbar-links a,
.navbar.is-solid .navbar-links a {
    color: var(--navy);
}

.navbar-links a::after {
    content: "";
    position: absolute;
    inset-block-end: 0;
    inset-inline-start: 0;
    inline-size: 0;
    block-size: 2px;
    background: var(--orange);
    border-radius: 2px;
    transition: inline-size var(--t) var(--ease-out);
}

.navbar-links a:hover::after,
.navbar-links a.is-active::after {
    inline-size: 100%;
}

.navbar-links a.is-active {
    font-weight: 600;
}

.navbar-tools {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.lang-switch {
    display: flex;
    align-items: center;
    gap: 0.15rem;
    padding: 0.2rem;
    border-radius: 100px;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.22);
    transition: background-color var(--t), border-color var(--t);
}

.navbar.is-scrolled .lang-switch,
.navbar.is-solid .lang-switch {
    background: var(--gray-light);
    border-color: var(--border);
}

.lang-btn {
    font-family: var(--font-mono);
    font-size: 0.74rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    padding: 0.34rem 0.6rem;
    border-radius: 100px;
    color: rgba(255, 255, 255, 0.75);
    transition: color var(--t), background-color var(--t);
}

.navbar.is-scrolled .lang-btn,
.navbar.is-solid .lang-btn {
    color: var(--text-muted);
}

.lang-btn:hover {
    color: var(--white);
}

.navbar.is-scrolled .lang-btn:hover,
.navbar.is-solid .lang-btn:hover {
    color: var(--navy);
}

.lang-btn.is-active {
    background: var(--orange);
    color: var(--white);
}

.navbar.is-scrolled .lang-btn.is-active,
.navbar.is-solid .lang-btn.is-active {
    background: var(--orange);
    color: var(--white);
}

.navbar-cta {
    padding: 0.62rem 1.25rem;
    font-size: 0.9rem;
}

/* Hamburger ikonu.
   Çizgi aralığı `gap` ile sabitlenmiştir: çizgi 2px + boşluk 5px olduğundan
   dış çizgilerin merkezleri ortadan tam 7px uzaktadır. Kapatma (X) durumundaki
   translateY değeri bu 7px ile birebir eşleşmelidir. */
.navbar-burger {
    --bar-w: 20px;
    --bar-h: 2px;
    --bar-gap: 5px;

    display: none; /* mobilde flex */
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--bar-gap);
    inline-size: 46px;
    block-size: 46px;
    border-radius: 13px;
    border: 1px solid rgba(255, 255, 255, 0.24);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    transition: background-color var(--t) var(--ease-out), border-color var(--t) var(--ease-out);
}

.navbar.is-scrolled .navbar-burger,
.navbar.is-solid .navbar-burger {
    border-color: var(--border);
    background: var(--white);
}

.navbar-burger span {
    display: block;
    inline-size: var(--bar-w);
    block-size: var(--bar-h);
    background: var(--white);
    border-radius: 2px;
    transition: transform var(--t) var(--ease-out), opacity 0.16s var(--ease-out);
}

.navbar.is-scrolled .navbar-burger span,
.navbar.is-solid .navbar-burger span {
    background: var(--navy);
}

/* Kapalıyken ortadaki çizgi biraz kısa: klasik "menü" okunurluğu */
.navbar-burger[aria-expanded="false"] span:nth-child(2) {
    inline-size: calc(var(--bar-w) * 0.7);
    align-self: center;
    transition: inline-size var(--t) var(--ease-out), background-color var(--t);
}

.navbar-burger:hover[aria-expanded="false"] span:nth-child(2) {
    inline-size: var(--bar-w);
}

/* Açıkken X: dış çizgiler merkeze taşınıp çaprazlanır, orta çizgi kaybolur */
.navbar-burger[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(calc(var(--bar-h) + var(--bar-gap))) rotate(45deg);
}

.navbar-burger[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0.2);
}

.navbar-burger[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(calc((var(--bar-h) + var(--bar-gap)) * -1)) rotate(-45deg);
}

@media (max-width: 1040px) {
    .navbar-burger {
        display: flex;
        /* Açık panelin üstünde kalmalı ki kapatma düğmesi görünsün. */
        position: relative;
        z-index: 2;
    }

    .navbar-burger[aria-expanded="true"] {
        border-color: var(--border);
        background: var(--white);
    }

    .navbar-burger[aria-expanded="true"] span {
        background: var(--navy);
    }

    .navbar-menu {
        position: fixed;
        inset-block-start: 0;
        inset-inline-end: 0;
        block-size: 100dvh;
        inline-size: min(360px, 88vw);
        flex-direction: column;
        align-items: stretch;
        justify-content: flex-start;
        gap: 1.5rem;
        padding: 6rem var(--gutter) 2.5rem;
        background: var(--white);
        box-shadow: var(--shadow-lg);
        transform: translateX(110%);
        transition: transform var(--t-slow) var(--ease-out);
        overflow-y: auto;
    }

    html[dir="rtl"] .navbar-menu {
        transform: translateX(-110%);
    }

    .navbar-menu.is-open {
        transform: translateX(0);
    }

    .navbar-links {
        flex-direction: column;
        align-items: stretch;
        gap: 0.25rem;
    }

    .navbar-links a,
    .navbar.is-scrolled .navbar-links a {
        display: block;
        color: var(--navy);
        font-size: 1.05rem;
        padding-block: 0.85rem;
        border-block-end: 1px solid var(--border);
    }

    .navbar-links a::after {
        display: none;
    }

    .navbar-links a.is-active {
        color: var(--orange);
    }

    .navbar-tools {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
    }

    .lang-switch,
    .navbar.is-scrolled .lang-switch {
        justify-content: center;
        background: var(--gray-light);
        border-color: var(--border);
    }

    .lang-btn,
    .navbar.is-scrolled .lang-btn {
        color: var(--text-muted);
        flex: 1;
        text-align: center;
    }

    .navbar-cta {
        justify-content: center;
    }
}

.nav-scrim {
    position: fixed;
    inset: 0;
    z-index: 999;
    background: rgba(10, 37, 64, 0.5);
    backdrop-filter: blur(3px);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--t) var(--ease-out), visibility var(--t);
}

.nav-scrim.is-open {
    opacity: 1;
    visibility: visible;
}

/* Okuma ilerleme çubuğu */
.progress-bar {
    position: fixed;
    inset-block-start: 0;
    inset-inline-start: 0;
    block-size: 3px;
    inline-size: 100%;
    z-index: 1001;
    transform-origin: left center;
    transform: scaleX(0);
    background: linear-gradient(90deg, var(--water-teal), var(--water-blue), var(--orange));
    pointer-events: none;
}

html[dir="rtl"] .progress-bar {
    transform-origin: right center;
}

/* ------------------------------------------- 7. Hero */

.hero {
    position: relative;
    display: grid;
    align-items: center;
    min-block-size: clamp(620px, 94svh, 940px);
    padding-block: clamp(7.5rem, 14vh, 10.5rem) clamp(6rem, 11vh, 9rem);
    overflow: hidden;
    background: var(--navy-dark);
    color: var(--white);
    isolation: isolate;
}

.hero-media {
    position: absolute;
    inset: 0;
    z-index: -3;
}

.hero-media img {
    inline-size: 100%;
    block-size: 100%;
    object-fit: cover;
    object-position: 62% 50%;
    animation: heroDrift 34s var(--ease-in-out) infinite alternate;
}

/* RTL'de metin bloğu sağa geçtiği için harita yatay olarak aynalanır;
   böylece turuncu inceleme bölgesi metnin altında kalmaz. Kartografik
   arka plan temsilîdir, ölçülü bir proje çizimi değildir. */
html[dir="rtl"] .hero-media,
html[dir="rtl"] .cta-band img {
    transform: scaleX(-1);
}

@keyframes heroDrift {
    from {
        transform: scale(1.06) translate3d(0, 0, 0);
    }
    to {
        transform: scale(1.16) translate3d(-1.6%, -1.4%, 0);
    }
}

.hero-scrim {
    position: absolute;
    inset: 0;
    z-index: -2;
    background:
        linear-gradient(100deg, rgba(10, 37, 64, 0.94) 0%, rgba(10, 37, 64, 0.8) 38%,
            rgba(10, 37, 64, 0.34) 64%, rgba(10, 37, 64, 0.55) 100%),
        linear-gradient(to top, rgba(10, 37, 64, 0.9), transparent 42%);
}

html[dir="rtl"] .hero-scrim {
    background:
        linear-gradient(260deg, rgba(10, 37, 64, 0.94) 0%, rgba(10, 37, 64, 0.8) 38%,
            rgba(10, 37, 64, 0.34) 64%, rgba(10, 37, 64, 0.55) 100%),
        linear-gradient(to top, rgba(10, 37, 64, 0.9), transparent 42%);
}

/* Yükselen su zerrecikleri */
.hero-particles {
    position: absolute;
    inset: 0;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.particle {
    position: absolute;
    inset-block-end: -8px;
    border-radius: 50%;
    background: rgba(125, 211, 252, 0.7);
    box-shadow: 0 0 12px rgba(14, 165, 233, 0.8);
    animation: particleRise linear infinite;
}

@keyframes particleRise {
    0% {
        transform: translateY(0) scale(0.6);
        opacity: 0;
    }
    12% {
        opacity: 0.85;
    }
    88% {
        opacity: 0.4;
    }
    100% {
        transform: translateY(-104svh) scale(1.1);
        opacity: 0;
    }
}

.hero-content {
    width: min(100% - (var(--gutter) * 2), var(--wrap));
    margin-inline: auto;
    max-width: 100%;
}

.hero-text {
    max-width: 46rem;
}

.hero .eyebrow {
    color: var(--water-teal);
}

.hero-title {
    font-size: var(--step-5);
    font-weight: 800;
    margin-block-end: 1.5rem;
}

.hero-title .line {
    display: block;
    overflow: hidden;
}

.hero-title .line > span {
    display: block;
    transform: translateY(105%);
    animation: lineUp 1s var(--ease-out) forwards;
}

.hero-title .line:nth-child(1) > span {
    animation-delay: 0.15s;
}

.hero-title .line:nth-child(2) > span {
    animation-delay: 0.32s;
}

@keyframes lineUp {
    to {
        transform: translateY(0);
    }
}

.hero-title .accent {
    background: linear-gradient(100deg, var(--orange-light), var(--orange) 55%, #ffb703);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero-desc {
    font-size: var(--step-1);
    color: rgba(255, 255, 255, 0.82);
    max-width: 34rem;
    opacity: 0;
    animation: fadeUp 0.9s var(--ease-out) 0.55s forwards;
}

.hero .btn-row {
    opacity: 0;
    animation: fadeUp 0.9s var(--ease-out) 0.72s forwards;
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-microcopy {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem 0.9rem;
    margin-block-start: 1.7rem;
    padding-block-start: 1.15rem;
    border-block-start: 1px solid rgba(255, 255, 255, 0.16);
    font-family: var(--font-mono);
    font-size: var(--step--1);
    letter-spacing: 0.04em;
    color: rgba(255, 255, 255, 0.68);
    opacity: 0;
    animation: fadeUp 0.9s var(--ease-out) 0.9s forwards;
}

html[dir="rtl"] .hero-microcopy {
    font-family: var(--font-primary);
    letter-spacing: normal;
}

.hero-microcopy .dot {
    inline-size: 6px;
    block-size: 6px;
    border-radius: 50%;
    background: var(--water-teal);
    flex: none;
    animation: dotPulse 2.4s var(--ease-in-out) infinite;
}

@keyframes dotPulse {
    0%,
    100% {
        opacity: 0.4;
        transform: scale(0.8);
    }
    50% {
        opacity: 1;
        transform: scale(1.25);
    }
}

.hero-legend {
    position: absolute;
    inset-block-end: clamp(1.5rem, 4vh, 3rem);
    inset-inline-end: var(--gutter);
    display: grid;
    gap: 0.55rem;
    padding: 1rem 1.15rem;
    border-radius: var(--radius);
    background: rgba(10, 37, 64, 0.62);
    border: 1px solid rgba(255, 255, 255, 0.14);
    backdrop-filter: blur(14px);
    font-size: var(--step--1);
    opacity: 0;
    animation: fadeUp 0.9s var(--ease-out) 1.1s forwards;
}

.hero-legend li {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    color: rgba(255, 255, 255, 0.82);
}

.hero-legend .swatch {
    inline-size: 14px;
    block-size: 14px;
    border-radius: 4px;
    flex: none;
}

.hero-legend .swatch--coverage {
    background: linear-gradient(135deg, var(--water-blue), var(--water-teal));
    box-shadow: 0 0 10px rgba(14, 165, 233, 0.6);
}

.hero-legend .swatch--investigate {
    background: linear-gradient(135deg, var(--orange-light), var(--orange));
    box-shadow: 0 0 12px rgba(232, 93, 4, 0.7);
    animation: swatchGlow 2.6s var(--ease-in-out) infinite;
}

@keyframes swatchGlow {
    0%,
    100% {
        box-shadow: 0 0 8px rgba(232, 93, 4, 0.5);
    }
    50% {
        box-shadow: 0 0 20px rgba(232, 93, 4, 0.95);
    }
}

@media (max-width: 780px) {
    .hero-legend {
        position: static;
        margin-block-start: 2rem;
        inline-size: fit-content;
    }

    /* Dar ekranda hero doğal yüksekliğine bırakılır: üstte harita için
       açık bir bant kalır, turuncu inceleme bölgesi kırpılmadan görünür. */
    .hero {
        min-block-size: auto;
        padding-block: clamp(14rem, 32svh, 18rem) clamp(3.5rem, 7vh, 5rem);
    }

    .hero-media img {
        object-position: 76% 58%;
        animation-name: heroDriftNarrow;
    }

    @keyframes heroDriftNarrow {
        from {
            transform: scale(1.04);
        }
        to {
            transform: scale(1.12) translate3d(0, -1.2%, 0);
        }
    }

    .hero-scrim,
    html[dir="rtl"] .hero-scrim {
        background: linear-gradient(
            to top,
            rgba(10, 37, 64, 0.97) 0%,
            rgba(10, 37, 64, 0.95) 50%,
            rgba(10, 37, 64, 0.6) 74%,
            rgba(10, 37, 64, 0.28) 100%
        );
    }
}

.hero-scroll {
    position: absolute;
    inset-block-end: 1.6rem;
    inset-inline-start: 50%;
    transform: translateX(-50%);
    display: grid;
    justify-items: center;
    gap: 0.5rem;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.55);
}

html[dir="rtl"] .hero-scroll {
    font-family: var(--font-primary);
    letter-spacing: normal;
}

.hero-scroll .track {
    inline-size: 2px;
    block-size: 42px;
    border-radius: 2px;
    background: rgba(255, 255, 255, 0.2);
    overflow: hidden;
}

.hero-scroll .track::after {
    content: "";
    display: block;
    inline-size: 100%;
    block-size: 42%;
    background: var(--water-teal);
    animation: scrollHint 2.1s var(--ease-in-out) infinite;
}

@keyframes scrollHint {
    0% {
        transform: translateY(-100%);
    }
    60%,
    100% {
        transform: translateY(240%);
    }
}

@media (max-width: 780px) {
    .hero-scroll {
        display: none;
    }
}

/* Sayfa içi hero (alt sayfalar) */
.page-hero {
    position: relative;
    padding-block: clamp(9rem, 18vh, 12rem) clamp(3.5rem, 7vw, 6rem);
    background:
        radial-gradient(90% 120% at 88% 0%, rgba(14, 165, 233, 0.26), transparent 62%),
        linear-gradient(155deg, var(--navy-dark), #0d2a47 65%, var(--navy));
    color: var(--white);
    overflow: hidden;
}

.page-hero::after {
    content: "";
    position: absolute;
    inset-block-end: -1px;
    inset-inline: 0;
    block-size: 60px;
    background: linear-gradient(to bottom, transparent, var(--surface));
    opacity: 0.14;
}

.page-hero .eyebrow {
    color: var(--water-teal);
}

.page-hero h1 {
    font-size: var(--step-4);
    max-width: 22ch;
    margin-block-end: 1.25rem;
}

.page-hero p {
    font-size: var(--step-1);
    color: rgba(255, 255, 255, 0.8);
    max-width: 60ch;
}

.page-hero-grid {
    position: absolute;
    inset: 0;
    z-index: 0;
    opacity: 0.25;
    background-image:
        linear-gradient(rgba(125, 211, 252, 0.12) 1px, transparent 1px),
        linear-gradient(90deg, rgba(125, 211, 252, 0.12) 1px, transparent 1px);
    background-size: 64px 64px;
    mask-image: radial-gradient(80% 70% at 70% 30%, black, transparent 75%);
    animation: gridPan 40s linear infinite;
}

@keyframes gridPan {
    to {
        background-position: 64px 64px;
    }
}

.page-hero > .wrap {
    position: relative;
    z-index: 1;
}

/* ------------------------------------------- 8. Görsel çerçeveler */

.figure {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    background: var(--navy-dark);
}

.figure img {
    inline-size: 100%;
    block-size: auto;
    transition: transform 1.2s var(--ease-out);
}

.figure:hover img {
    transform: scale(1.04);
}

.figure--framed {
    border: 1px solid rgba(255, 255, 255, 0.12);
}

.figure figcaption {
    padding: 0.9rem 1.15rem;
    font-size: var(--step--1);
    color: var(--text-muted);
    background: var(--white);
    border-block-start: 1px solid var(--border);
}

.section--dark .figure figcaption {
    background: rgba(255, 255, 255, 0.05);
    color: rgba(255, 255, 255, 0.7);
    border-color: rgba(255, 255, 255, 0.12);
}

/* Görsel üstü etiket */
.figure-tag {
    position: absolute;
    inset-block-start: 1rem;
    inset-inline-start: 1rem;
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.4rem 0.8rem;
    border-radius: 100px;
    background: rgba(10, 37, 64, 0.72);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--white);
}

html[dir="rtl"] .figure-tag {
    font-family: var(--font-primary);
    letter-spacing: normal;
    text-transform: none;
}

/* ------------------------------------------- 9. Kartlar */

.card {
    position: relative;
    padding: clamp(1.5rem, 3vw, 2.1rem);
    border-radius: var(--radius);
    background: var(--white);
    border: 1px solid var(--border);
    transition: transform var(--t) var(--ease-out), box-shadow var(--t) var(--ease-out),
        border-color var(--t) var(--ease-out);
    overflow: hidden;
}

.card::before {
    content: "";
    position: absolute;
    inset-block-start: 0;
    inset-inline-start: 0;
    inline-size: 100%;
    block-size: 3px;
    background: linear-gradient(90deg, var(--water-blue), var(--water-teal));
    transform: scaleX(0);
    transform-origin: inline-start;
    transition: transform var(--t-slow) var(--ease-out);
}

.card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
    border-color: transparent;
}

.card:hover::before {
    transform: scaleX(1);
}

.card h3 {
    font-size: var(--step-1);
    margin-block-end: 0.7rem;
}

.card p {
    color: var(--text-muted);
}

.card-icon {
    display: grid;
    place-items: center;
    inline-size: 52px;
    block-size: 52px;
    border-radius: 14px;
    margin-block-end: 1.25rem;
    color: var(--water-blue);
    background: linear-gradient(140deg, rgba(14, 165, 233, 0.12), rgba(20, 184, 166, 0.12));
    border: 1px solid rgba(14, 165, 233, 0.2);
    transition: transform var(--t) var(--ease-out), color var(--t) var(--ease-out);
}

.card:hover .card-icon {
    transform: translateY(-3px) rotate(-4deg);
}

html[dir="rtl"] .card:hover .card-icon {
    transform: translateY(-3px) rotate(4deg);
}

.card--dark {
    background: rgba(255, 255, 255, 0.045);
    border-color: rgba(255, 255, 255, 0.12);
    color: rgba(255, 255, 255, 0.8);
}

.card--dark p {
    color: rgba(255, 255, 255, 0.72);
}

.card--dark:hover {
    border-color: rgba(255, 255, 255, 0.28);
    background: rgba(255, 255, 255, 0.075);
}

.card--dark .card-icon {
    color: var(--water-teal);
    background: rgba(20, 184, 166, 0.12);
    border-color: rgba(20, 184, 166, 0.28);
}

.card-num {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--water-blue);
    margin-block-end: 0.6rem;
    display: block;
}

.cards-2 {
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
}

.cards-3 {
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
}

.cards-4 {
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 250px), 1fr));
}

/* ------------------------------------------- 10. Üç adım */

.steps {
    --step-gap: clamp(1.5rem, 3vw, 2.2rem);
    position: relative;
    display: grid;
    gap: var(--step-gap);
    counter-reset: step;
}

.step {
    position: relative;
    z-index: 2;
}

@media (min-width: 880px) {
    .steps--3 {
        grid-template-columns: repeat(3, 1fr);
    }

    /* Rozetler arasındaki bağlantı: her adım kendi sağındaki parçayı çizer. */
    .steps--3 .step:not(:last-child)::before,
    .steps--3 .step:not(:last-child)::after {
        content: "";
        position: absolute;
        inset-block-start: 33px;
        inset-inline-start: 82px;
        inline-size: calc(100% - 82px + var(--step-gap) + 34px);
        block-size: 2px;
        border-radius: 2px;
    }

    .steps--3 .step:not(:last-child)::before {
        background: var(--border);
    }

    .steps--3 .step:not(:last-child)::after {
        background: linear-gradient(90deg, var(--water-teal), var(--water-blue));
        transform: scaleX(0);
        transform-origin: inline-start;
        transition: transform 1.4s var(--ease-out);
    }

    html[dir="rtl"] .steps--3 .step:not(:last-child)::after {
        background: linear-gradient(270deg, var(--water-teal), var(--water-blue));
    }

    .steps--3 .step:nth-child(2)::after {
        background: linear-gradient(90deg, var(--water-blue), var(--orange));
        transition-delay: 0.35s;
    }

    html[dir="rtl"] .steps--3 .step:nth-child(2)::after {
        background: linear-gradient(270deg, var(--water-blue), var(--orange));
    }

    .steps--3 .step.is-visible::after {
        transform: scaleX(1);
    }
}

.step-badge {
    display: grid;
    place-items: center;
    inline-size: 68px;
    block-size: 68px;
    border-radius: 50%;
    margin-block-end: 1.4rem;
    background: var(--white);
    border: 2px solid var(--border);
    font-family: var(--font-mono);
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--navy-light);
    transition: transform var(--t-slow) var(--ease-out), border-color var(--t-slow) var(--ease-out),
        color var(--t-slow) var(--ease-out), box-shadow var(--t-slow) var(--ease-out);
}

.section--alt .step-badge {
    background: var(--surface-alt);
}

.step.is-visible .step-badge {
    border-color: var(--water-blue);
    color: var(--water-blue);
    box-shadow: 0 0 0 6px rgba(14, 165, 233, 0.1);
}

.step:nth-child(3).is-visible .step-badge {
    border-color: var(--orange);
    color: var(--orange);
    box-shadow: 0 0 0 6px rgba(232, 93, 4, 0.12);
}

.step-label {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--water-blue);
    margin-block-end: 0.5rem;
}

html[dir="rtl"] .step-label {
    font-family: var(--font-primary);
    letter-spacing: normal;
}

.step:nth-child(3) .step-label {
    color: var(--orange);
}

.step h3 {
    font-size: var(--step-1);
    margin-block-end: 0.7rem;
}

.step p {
    color: var(--text-muted);
}

/* ------------------------------------------- 11. Zaman kayması demosu */

.drift {
    padding: clamp(1.4rem, 3vw, 2rem);
    border-radius: var(--radius-lg);
    background: var(--white);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-md);
}

.section--alt .drift {
    background: var(--white);
}

.drift-head {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-block-end: 1.5rem;
}

.drift-title {
    font-family: var(--font-mono);
    font-size: var(--step--1);
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-muted);
}

html[dir="rtl"] .drift-title {
    font-family: var(--font-primary);
    letter-spacing: normal;
}

.drift-toggle {
    display: inline-flex;
    padding: 0.22rem;
    border-radius: 100px;
    background: var(--gray-light);
    border: 1px solid var(--border);
    gap: 0.15rem;
}

.drift-toggle button {
    padding: 0.45rem 0.95rem;
    border-radius: 100px;
    font-size: 0.84rem;
    font-weight: 600;
    color: var(--text-muted);
    transition: background-color var(--t) var(--ease-out), color var(--t) var(--ease-out);
}

.drift-toggle button[aria-pressed="true"] {
    background: var(--navy);
    color: var(--white);
}

.drift-track {
    position: relative;
    display: grid;
    gap: 1.05rem;
}

.drift-row {
    display: grid;
    grid-template-columns: minmax(7.5rem, auto) 1fr;
    align-items: center;
    gap: 0.9rem;
}

.drift-row .name {
    font-size: var(--step--1);
    font-weight: 600;
    color: var(--navy);
}

.drift-rail {
    position: relative;
    block-size: 30px;
    border-radius: 100px;
    background: var(--gray-light);
    border: 1px solid var(--border);
    overflow: hidden;
}

.drift-marker {
    position: absolute;
    inset-block-start: 50%;
    inline-size: 30px;
    block-size: 30px;
    margin-block-start: -15px;
    margin-inline-start: -15px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: var(--white);
    border: 2px solid var(--water-blue);
    color: var(--water-blue);
    box-shadow: 0 3px 10px rgba(30, 58, 95, 0.14);
    transition: inset-inline-start 1.1s var(--ease-out), border-color var(--t-slow),
        color var(--t-slow), background-color var(--t-slow);
    inset-inline-start: var(--pos, 50%);
}

.drift-marker svg {
    inline-size: 14px;
    block-size: 14px;
}

.drift[data-state="sync"] .drift-marker {
    inset-inline-start: 72%;
    border-color: var(--water-teal);
    color: var(--white);
    background: var(--water-teal);
}

.drift[data-state="sync"] .drift-rail::after {
    opacity: 1;
    transform: scaleY(1);
}

.drift-rail::after {
    content: "";
    position: absolute;
    inset-block: -1px;
    inset-inline-start: 72%;
    inline-size: 2px;
    margin-inline-start: -1px;
    background: var(--water-teal);
    opacity: 0;
    transform: scaleY(0.4);
    transition: opacity var(--t-slow) var(--ease-out), transform var(--t-slow) var(--ease-out);
}

.drift-note {
    margin-block-start: 1.4rem;
    padding: 0.9rem 1.1rem;
    border-radius: var(--radius-sm);
    font-size: var(--step--1);
    background: rgba(14, 165, 233, 0.07);
    border-inline-start: 3px solid var(--water-blue);
    color: var(--navy);
}

.drift[data-state="sync"] .drift-note {
    background: rgba(20, 184, 166, 0.09);
    border-inline-start-color: var(--water-teal);
}

.drift-note[hidden] {
    display: none;
}

/* ------------------------------------------- 12. Hiyerarşi ağacı */

.tree {
    padding: clamp(1.4rem, 3vw, 2rem);
    border-radius: var(--radius-lg);
    background: var(--white);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-md);
}

.section--dark .tree {
    background: rgba(255, 255, 255, 0.045);
    border-color: rgba(255, 255, 255, 0.13);
}

.tree-head {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    justify-content: space-between;
    gap: 0.75rem;
    margin-block-end: 1.4rem;
    padding-block-end: 1rem;
    border-block-end: 1px solid var(--border);
}

.section--dark .tree-head {
    border-color: rgba(255, 255, 255, 0.12);
}

.tree-head h3 {
    font-size: var(--step-1);
}

.tree-hint {
    font-size: var(--step--1);
    color: var(--text-muted);
}

.section--dark .tree-hint {
    color: rgba(255, 255, 255, 0.6);
}

.tree ul {
    display: grid;
    gap: 0.5rem;
}

.tree > ul > li + li {
    margin-block-start: 0.15rem;
}

.tree li ul {
    position: relative;
    margin-inline-start: 1.4rem;
    padding-inline-start: 1.4rem;
    margin-block-start: 0.5rem;
}

.tree li ul::before {
    content: "";
    position: absolute;
    inset-block: 0.2rem 1.4rem;
    inset-inline-start: 0;
    inline-size: 2px;
    border-radius: 2px;
    background: linear-gradient(to bottom, var(--water-blue), rgba(14, 165, 233, 0.15));
}

.tree-node {
    inline-size: 100%;
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 0.8rem 1rem;
    border-radius: var(--radius-sm);
    background: var(--gray-light);
    border: 1px solid var(--border);
    text-align: start;
    transition: background-color var(--t) var(--ease-out), border-color var(--t) var(--ease-out),
        transform var(--t) var(--ease-out);
}

.section--dark .tree-node {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.13);
    color: rgba(255, 255, 255, 0.88);
}

.tree-node:hover {
    border-color: var(--water-blue);
    transform: translateX(3px);
}

html[dir="rtl"] .tree-node:hover {
    transform: translateX(-3px);
}

.tree-node[aria-expanded] .tree-caret {
    transition: transform var(--t) var(--ease-out);
}

.tree-node[aria-expanded="true"] .tree-caret {
    transform: rotate(90deg);
}

html[dir="rtl"] .tree-node[aria-expanded="true"] .tree-caret {
    transform: rotate(-90deg);
}

html[dir="rtl"] .tree-caret {
    transform: scaleX(-1);
}

.tree-caret {
    flex: none;
    color: var(--water-blue);
}

.tree-caret--leaf {
    opacity: 0.3;
}

.tree-dot {
    inline-size: 10px;
    block-size: 10px;
    border-radius: 50%;
    flex: none;
    background: var(--water-blue);
    box-shadow: 0 0 0 4px rgba(14, 165, 233, 0.14);
}

.tree-node[data-level="1"] .tree-dot {
    background: var(--navy);
    box-shadow: 0 0 0 4px rgba(30, 58, 95, 0.14);
}

.tree-node[data-level="3"] .tree-dot {
    background: var(--water-teal);
    box-shadow: 0 0 0 4px rgba(20, 184, 166, 0.16);
}

.tree-node[data-level="4"] .tree-dot {
    background: var(--gray-dark);
    box-shadow: 0 0 0 4px rgba(107, 114, 128, 0.14);
}

.tree-node[data-flag="review"] .tree-dot {
    background: var(--orange);
    box-shadow: 0 0 0 4px rgba(232, 93, 4, 0.18);
    animation: dotPulse 2s var(--ease-in-out) infinite;
}

.tree-name {
    font-weight: 600;
    font-size: 0.96rem;
}

.tree-meta {
    margin-inline-start: auto;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--text-muted);
    white-space: nowrap;
}

.section--dark .tree-meta {
    color: rgba(255, 255, 255, 0.6);
}

.tree-branch {
    overflow: hidden;
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows var(--t-slow) var(--ease-out);
}

.tree-branch > div {
    min-block-size: 0;
    overflow: hidden;
}

.tree-branch.is-open {
    grid-template-rows: 1fr;
}

.tree-note {
    margin-block-start: 1.3rem;
    font-size: var(--step--1);
    color: var(--text-muted);
}

.section--dark .tree-note {
    color: rgba(255, 255, 255, 0.58);
}

.badge-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-block-start: 1.8rem;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.95rem;
    border-radius: 100px;
    font-size: var(--step--1);
    font-weight: 500;
    background: rgba(14, 165, 233, 0.08);
    border: 1px solid rgba(14, 165, 233, 0.22);
    color: var(--navy);
}

.section--dark .badge {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.16);
    color: rgba(255, 255, 255, 0.85);
}

.badge svg {
    color: var(--water-blue);
    flex: none;
}

.section--dark .badge svg {
    color: var(--water-teal);
}

/* ------------------------------------------- 13. Eş zamanlı ölçüm halkaları */

.snapshot-visual {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.snapshot-visual img {
    inline-size: 100%;
    block-size: auto;
}

.pulse-layer {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.pulse {
    position: absolute;
    inline-size: 14px;
    block-size: 14px;
    margin: -7px 0 0 -7px;
    border-radius: 50%;
    background: var(--water-teal);
    box-shadow: 0 0 14px rgba(20, 184, 166, 0.9);
}

/* Tüm halkalar AYNI ANDA genişler: ortak hesap kesim anı. */
.pulse::before,
.pulse::after {
    content: "";
    position: absolute;
    inset: 50%;
    inline-size: 14px;
    block-size: 14px;
    margin: -7px 0 0 -7px;
    border-radius: 50%;
    border: 2px solid var(--water-teal);
    opacity: 0;
}

.is-visible .pulse::before {
    animation: ringOut 3.2s var(--ease-out) infinite;
}

.is-visible .pulse::after {
    animation: ringOut 3.2s var(--ease-out) 0.42s infinite;
}

@keyframes ringOut {
    0% {
        transform: scale(1);
        opacity: 0.85;
    }
    80% {
        opacity: 0;
    }
    100% {
        transform: scale(7);
        opacity: 0;
    }
}

.snapshot-stamp {
    position: absolute;
    inset-block-end: 1rem;
    inset-inline-start: 1rem;
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.55rem 1rem;
    border-radius: 100px;
    background: rgba(10, 37, 64, 0.78);
    border: 1px solid rgba(20, 184, 166, 0.45);
    backdrop-filter: blur(12px);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--white);
}

html[dir="rtl"] .snapshot-stamp {
    font-family: var(--font-primary);
}

.snapshot-stamp .dot {
    inline-size: 8px;
    block-size: 8px;
    border-radius: 50%;
    background: var(--water-teal);
    animation: dotPulse 3.2s var(--ease-in-out) infinite;
}

/* ------------------------------------------- 14. Denklem */

.formula {
    padding: clamp(1.5rem, 3vw, 2.2rem);
    border-radius: var(--radius-lg);
    background: linear-gradient(155deg, var(--navy-dark), #0d2c4b);
    color: var(--white);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    position: relative;
}

.formula::after {
    content: "";
    position: absolute;
    inset-block-start: -40%;
    inset-inline-end: -20%;
    inline-size: 60%;
    aspect-ratio: 1;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.28), transparent 68%);
    pointer-events: none;
}

.formula-label {
    font-family: var(--font-mono);
    font-size: 0.74rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--water-teal);
    margin-block-end: 1.25rem;
}

html[dir="rtl"] .formula-label {
    font-family: var(--font-primary);
    letter-spacing: normal;
}

.formula-expr {
    position: relative;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.55rem 0.7rem;
    font-size: var(--step-1);
    line-height: 1.5;
}

.formula-term {
    display: inline-flex;
    align-items: center;
    padding: 0.4rem 0.85rem;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.14);
    font-size: var(--step-0);
    font-weight: 500;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.55s var(--ease-out), transform 0.55s var(--ease-out),
        background-color var(--t), border-color var(--t);
}

.is-visible .formula-term {
    opacity: 1;
    transform: translateY(0);
}

.formula-term:nth-child(1) {
    transition-delay: 0.05s;
}
.formula-term:nth-child(2) {
    transition-delay: 0.14s;
}
.formula-term:nth-child(3) {
    transition-delay: 0.23s;
}
.formula-term:nth-child(4) {
    transition-delay: 0.32s;
}
.formula-term:nth-child(5) {
    transition-delay: 0.41s;
}
.formula-term:nth-child(6) {
    transition-delay: 0.5s;
}
.formula-term:nth-child(7) {
    transition-delay: 0.59s;
}
.formula-term:nth-child(8) {
    transition-delay: 0.68s;
}
.formula-term:nth-child(9) {
    transition-delay: 0.77s;
}

.formula-term--parent {
    background: rgba(14, 165, 233, 0.18);
    border-color: rgba(14, 165, 233, 0.4);
}

.formula-term--children {
    background: rgba(20, 184, 166, 0.16);
    border-color: rgba(20, 184, 166, 0.4);
}

.formula-term--result {
    background: rgba(232, 93, 4, 0.2);
    border-color: rgba(232, 93, 4, 0.55);
    color: #ffd7b0;
    font-weight: 700;
}

.formula-op {
    font-family: var(--font-mono);
    font-size: var(--step-1);
    color: rgba(255, 255, 255, 0.55);
    opacity: 0;
    transition: opacity 0.5s var(--ease-out);
}

.is-visible .formula-op {
    opacity: 1;
    transition-delay: 0.35s;
}

.disclaimer {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 0.9rem;
    margin-block-start: 1.8rem;
    padding: 1.1rem 1.25rem;
    border-radius: var(--radius);
    background: rgba(232, 93, 4, 0.06);
    border: 1px solid rgba(232, 93, 4, 0.28);
}

.section--dark .disclaimer,
.formula + .disclaimer {
    background: rgba(232, 93, 4, 0.1);
}

.disclaimer svg {
    color: var(--orange);
    flex: none;
    margin-block-start: 2px;
}

.disclaimer-label {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--orange);
    margin-block-end: 0.35rem;
}

html[dir="rtl"] .disclaimer-label {
    font-family: var(--font-primary);
    letter-spacing: normal;
}

.disclaimer p {
    font-size: var(--step--1);
    color: var(--text);
}

.section--dark .disclaimer p {
    color: rgba(255, 255, 255, 0.82);
}

/* ------------------------------------------- 15. Senaryo aracı */

.scenario {
    border-radius: var(--radius-lg);
    background: var(--white);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.scenario-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem clamp(1.1rem, 2.5vw, 1.8rem);
    background: var(--navy-dark);
    color: var(--white);
}

.scenario-levels {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-mono);
    font-size: 0.78rem;
}

html[dir="rtl"] .scenario-levels {
    font-family: var(--font-primary);
}

.scenario-levels span {
    padding: 0.3rem 0.7rem;
    border-radius: 100px;
    color: rgba(255, 255, 255, 0.45);
    border: 1px solid transparent;
    transition: color var(--t), background-color var(--t), border-color var(--t);
}

.scenario-levels span.is-reached {
    color: var(--white);
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

.scenario-levels span.is-current {
    background: var(--orange);
    border-color: var(--orange);
    color: var(--white);
}

.scenario-levels .sep {
    color: rgba(255, 255, 255, 0.3);
    padding: 0;
    border: 0;
    background: none;
}

html[dir="rtl"] .scenario-levels .sep {
    transform: scaleX(-1);
    display: inline-block;
}

.scenario-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.32rem 0.75rem;
    border-radius: 100px;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.22);
    color: rgba(255, 255, 255, 0.8);
}

html[dir="rtl"] .scenario-badge {
    font-family: var(--font-primary);
    letter-spacing: normal;
    text-transform: none;
}

.scenario-body {
    padding: clamp(1.3rem, 3vw, 2.2rem);
}

.scenario-stage {
    display: grid;
    gap: 0.7rem;
    margin-block-end: 1.6rem;
}

.scenario-node {
    position: relative;
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.15rem;
    border-radius: var(--radius);
    background: var(--gray-light);
    border: 1px solid var(--border);
    opacity: 0;
    transform: translateY(14px);
    animation: nodeIn 0.6s var(--ease-out) forwards;
}

@keyframes nodeIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.scenario-node--parent {
    background: linear-gradient(135deg, rgba(30, 58, 95, 0.06), rgba(14, 165, 233, 0.06));
    border-color: rgba(30, 58, 95, 0.22);
}

.scenario-node--review {
    border-color: rgba(232, 93, 4, 0.5);
    background: linear-gradient(135deg, rgba(232, 93, 4, 0.07), rgba(244, 140, 6, 0.04));
    cursor: pointer;
}

.scenario-node--review:hover {
    box-shadow: 0 8px 24px rgba(232, 93, 4, 0.16);
    transform: translateY(-2px);
}

.scenario-node--review::after {
    content: "";
    position: absolute;
    inset: -1px;
    border-radius: var(--radius);
    border: 1px solid var(--orange);
    opacity: 0;
    animation: nodeHalo 2.6s var(--ease-in-out) infinite;
    pointer-events: none;
}

@keyframes nodeHalo {
    0%,
    100% {
        opacity: 0;
        transform: scale(1);
    }
    50% {
        opacity: 0.5;
        transform: scale(1.012);
    }
}

.scenario-node .node-name {
    font-weight: 600;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem 0.55rem;
    text-align: start;
}

.scenario-node .node-sub {
    flex-basis: 100%;
    font-size: var(--step--1);
    color: var(--text-muted);
    font-weight: 400;
}

.scenario-node .node-value {
    font-family: var(--font-mono);
    font-size: var(--step-1);
    font-weight: 700;
    color: var(--navy);
    white-space: nowrap;
}

.scenario-node--review .node-value {
    color: var(--orange);
}

.node-flag {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.18rem 0.55rem;
    border-radius: 100px;
    font-size: 0.7rem;
    font-weight: 600;
    background: rgba(20, 184, 166, 0.14);
    color: #0f766e;
}

.node-flag--review {
    background: rgba(232, 93, 4, 0.14);
    color: var(--orange-dark);
}

.scenario-summary {
    display: grid;
    gap: 0.75rem;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 160px), 1fr));
    padding: 1.1rem;
    border-radius: var(--radius);
    background: var(--white);
    border: 1px dashed var(--border);
    margin-block-end: 1.4rem;
}

/* Son adımda özet kutusu boşalır; boş çerçeve gösterilmez. */
.scenario-summary:empty {
    display: none;
}

.scenario-stat .label {
    display: block;
    font-size: 0.76rem;
    color: var(--text-muted);
    margin-block-end: 0.25rem;
}

.scenario-stat .value {
    font-family: var(--font-mono);
    font-size: var(--step-2);
    font-weight: 700;
    line-height: 1.1;
    color: var(--navy);
}

.scenario-stat--gap .value {
    color: var(--orange);
}

.scenario-stat .unit {
    font-size: 0.7em;
    color: var(--text-muted);
    margin-inline-start: 0.25rem;
}

.scenario-caption {
    padding: 1rem 1.2rem;
    border-radius: var(--radius);
    background: rgba(14, 165, 233, 0.07);
    border-inline-start: 3px solid var(--water-blue);
    font-size: var(--step-0);
    margin-block-end: 1.4rem;
}

.scenario-caption.is-final {
    background: rgba(20, 184, 166, 0.1);
    border-inline-start-color: var(--water-teal);
    font-weight: 600;
}

.scenario-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: center;
}

.scenario-note {
    margin-block-start: 1.4rem;
    font-size: var(--step--1);
    color: var(--text-muted);
}

/* ------------------------------------------- 16. Kullanım alanı kartları */

.usecase {
    position: relative;
    display: grid;
    gap: 1rem;
    padding: clamp(1.5rem, 3vw, 2.1rem);
    border-radius: var(--radius);
    background: var(--white);
    border: 1px solid var(--border);
    overflow: hidden;
    transition: transform var(--t) var(--ease-out), box-shadow var(--t) var(--ease-out);
}

.usecase::after {
    content: "";
    position: absolute;
    inset-block-end: -60px;
    inset-inline-end: -60px;
    inline-size: 160px;
    block-size: 160px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.14), transparent 70%);
    transition: transform var(--t-slow) var(--ease-out);
}

.usecase:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.usecase:hover::after {
    transform: scale(1.5);
}

.usecase h3 {
    font-size: var(--step-1);
}

.usecase-meta {
    display: grid;
    gap: 0.65rem;
    padding-block-start: 1rem;
    border-block-start: 1px solid var(--border);
    position: relative;
}

.usecase-meta div {
    display: grid;
    gap: 0.15rem;
}

.usecase-meta dt {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--water-blue);
}

html[dir="rtl"] .usecase-meta dt {
    font-family: var(--font-primary);
    letter-spacing: normal;
    text-transform: none;
}

.usecase-meta dd {
    font-size: var(--step--1);
    color: var(--text-muted);
}

/* ------------------------------------------- 17. Makale kartları */

.article-card {
    display: grid;
    grid-template-rows: auto 1fr auto;
    gap: 0.9rem;
    padding: clamp(1.5rem, 3vw, 2rem);
    border-radius: var(--radius);
    background: var(--white);
    border: 1px solid var(--border);
    transition: transform var(--t) var(--ease-out), box-shadow var(--t) var(--ease-out),
        border-color var(--t) var(--ease-out);
}

.article-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: rgba(14, 165, 233, 0.4);
}

.article-card .kicker {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--water-blue);
}

html[dir="rtl"] .article-card .kicker {
    font-family: var(--font-primary);
    letter-spacing: normal;
    text-transform: none;
}

.article-card h3 {
    font-size: var(--step-1);
    line-height: 1.28;
}

.article-card p {
    color: var(--text-muted);
    font-size: var(--step--1);
}

/* ------------------------------------------- 18. SSS */

.faq {
    display: grid;
    gap: 0.75rem;
}

.faq-item {
    border-radius: var(--radius);
    background: var(--white);
    border: 1px solid var(--border);
    overflow: hidden;
    transition: border-color var(--t) var(--ease-out), box-shadow var(--t) var(--ease-out);
}

.faq-item:has(.faq-q[aria-expanded="true"]) {
    border-color: rgba(14, 165, 233, 0.42);
    box-shadow: var(--shadow-sm);
}

.faq-q {
    inline-size: 100%;
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.2rem clamp(1.1rem, 2.5vw, 1.6rem);
    text-align: start;
    font-size: var(--step-1);
    font-weight: 600;
    color: var(--navy);
    transition: color var(--t) var(--ease-out);
}

.faq-q:hover {
    color: var(--water-blue);
}

.faq-icon {
    margin-inline-start: auto;
    flex: none;
    inline-size: 30px;
    block-size: 30px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: var(--gray-light);
    color: var(--navy-light);
    transition: transform var(--t) var(--ease-out), background-color var(--t) var(--ease-out),
        color var(--t) var(--ease-out);
}

.faq-q[aria-expanded="true"] .faq-icon {
    transform: rotate(45deg);
    background: var(--orange);
    color: var(--white);
}

.faq-a {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows var(--t-slow) var(--ease-out);
}

.faq-a > div {
    min-block-size: 0;
    overflow: hidden;
}

.faq-a.is-open {
    grid-template-rows: 1fr;
}

.faq-a p {
    padding: 0 clamp(1.1rem, 2.5vw, 1.6rem) 1.4rem;
    color: var(--text-muted);
}

/* ------------------------------------------- 19. Kapanış CTA */

.cta-band {
    position: relative;
    overflow: hidden;
    isolation: isolate;
    color: var(--white);
    padding-block: clamp(4.5rem, 9vw, 7.5rem);
}

.cta-band img {
    position: absolute;
    inset: 0;
    z-index: -2;
    inline-size: 100%;
    block-size: 100%;
    object-fit: cover;
    object-position: 60% 50%;
}

.cta-band::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background:
        linear-gradient(105deg, rgba(10, 37, 64, 0.95) 0%, rgba(10, 37, 64, 0.86) 42%,
            rgba(10, 37, 64, 0.5) 100%);
}

html[dir="rtl"] .cta-band::before {
    background: linear-gradient(255deg, rgba(10, 37, 64, 0.95) 0%, rgba(10, 37, 64, 0.86) 42%,
            rgba(10, 37, 64, 0.5) 100%);
}

.cta-band .eyebrow {
    color: var(--water-teal);
}

.cta-band h2 {
    font-size: var(--step-4);
    max-width: 20ch;
    margin-block-end: 1.2rem;
}

.cta-band p {
    color: rgba(255, 255, 255, 0.82);
    max-width: 52ch;
    font-size: var(--step-1);
}

/* ------------------------------------------- 20. Orion bandı */

.orion-band {
    display: grid;
    gap: clamp(1.5rem, 4vw, 3rem);
    align-items: center;
    padding: clamp(1.8rem, 4vw, 3rem);
    border-radius: var(--radius-lg);
    background: linear-gradient(140deg, var(--navy-dark), #123a5e);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

@media (min-width: 860px) {
    .orion-band {
        grid-template-columns: 1.35fr 1fr;
    }
}

.orion-band::before {
    content: "";
    position: absolute;
    inset-block-start: -30%;
    inset-inline-end: -10%;
    inline-size: 46%;
    aspect-ratio: 1;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(20, 184, 166, 0.26), transparent 65%);
    animation: orbFloat 12s var(--ease-in-out) infinite alternate;
}

@keyframes orbFloat {
    to {
        transform: translate3d(-8%, 14%, 0) scale(1.14);
    }
}

.orion-band > * {
    position: relative;
    z-index: 1;
}

.orion-band h2 {
    font-size: var(--step-2);
    margin-block-end: 1rem;
}

.orion-band p {
    color: rgba(255, 255, 255, 0.78);
}

.orion-note {
    margin-block-start: 1.2rem;
    font-size: var(--step--1);
    color: rgba(255, 255, 255, 0.55);
    font-style: italic;
}

.orion-visual {
    position: relative;
    display: grid;
    place-items: center;
    isolation: isolate;
    min-block-size: 260px;
    padding: 1.5rem;
}

.orion-visual img {
    position: relative;
    z-index: 2;
    inline-size: min(320px, 82%);
    block-size: auto;
    filter: drop-shadow(0 26px 42px rgba(0, 0, 0, 0.45));
    animation: meterFloat 7s var(--ease-in-out) infinite alternate;
}

@keyframes meterFloat {
    from {
        transform: translateY(-6px) rotate(-1deg);
    }
    to {
        transform: translateY(8px) rotate(1.5deg);
    }
}

/* Cihazın arkasındaki turkuaz ışıma */
.orion-visual-glow {
    position: absolute;
    inset: 12% 8%;
    z-index: 0;
    border-radius: 50%;
    background: radial-gradient(
        circle at 50% 45%,
        rgba(20, 184, 166, 0.42),
        rgba(14, 165, 233, 0.16) 45%,
        transparent 70%
    );
    filter: blur(18px);
    animation: glowPulse 5s var(--ease-in-out) infinite alternate;
}

@keyframes glowPulse {
    from {
        opacity: 0.65;
        transform: scale(0.94);
    }
    to {
        opacity: 1;
        transform: scale(1.06);
    }
}

/* Ortak hesap kesim anını çağrıştıran eş halkalar */
.orion-visual-ring {
    position: absolute;
    inset-block-start: 50%;
    inset-inline-start: 50%;
    z-index: 1;
    inline-size: 190px;
    block-size: 190px;
    margin: -95px 0 0 -95px;
    border-radius: 50%;
    border: 1px solid rgba(20, 184, 166, 0.45);
    opacity: 0;
    animation: meterRing 4.4s var(--ease-out) infinite;
}

.orion-visual-ring--2 {
    animation-delay: 1.5s;
}

@keyframes meterRing {
    0% {
        transform: scale(0.55);
        opacity: 0;
    }
    18% {
        opacity: 0.75;
    }
    100% {
        transform: scale(1.55);
        opacity: 0;
    }
}

.orion-visual-tag {
    position: absolute;
    inset-block-end: 0.25rem;
    inset-inline-start: 50%;
    transform: translateX(-50%);
    z-index: 3;
    padding: 0.4rem 0.95rem;
    border-radius: 100px;
    background: rgba(10, 37, 64, 0.72);
    border: 1px solid rgba(20, 184, 166, 0.45);
    backdrop-filter: blur(10px);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--white);
    white-space: nowrap;
}

html[dir="rtl"] .orion-visual-tag {
    font-family: var(--font-primary);
    letter-spacing: normal;
}

@media (max-width: 860px) {
    .orion-visual {
        min-block-size: 210px;
    }

    .orion-visual img {
        inline-size: min(240px, 66%);
    }

    .orion-visual-ring {
        inline-size: 150px;
        block-size: 150px;
        margin: -75px 0 0 -75px;
    }
}

/* ------------------------------------------- 21. Numaralı liste / kontrol listesi */

.numbered {
    display: grid;
    gap: clamp(1rem, 2.2vw, 1.5rem);
    counter-reset: n;
}

@media (min-width: 780px) {
    .numbered--2col {
        grid-template-columns: repeat(2, 1fr);
    }
}

.numbered li {
    counter-increment: n;
    position: relative;
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 1.1rem;
    align-items: start;
    padding: 1.25rem 1.4rem;
    border-radius: var(--radius);
    background: var(--white);
    border: 1px solid var(--border);
    transition: transform var(--t) var(--ease-out), border-color var(--t) var(--ease-out),
        box-shadow var(--t) var(--ease-out);
}

.numbered li:hover {
    transform: translateY(-3px);
    border-color: rgba(14, 165, 233, 0.4);
    box-shadow: var(--shadow-sm);
}

.numbered li::before {
    content: counter(n, decimal-leading-zero);
    font-family: var(--font-mono);
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--water-blue);
    padding-block-start: 0.15rem;
}

.numbered h3 {
    font-size: var(--step-0);
    font-weight: 700;
    margin-block-end: 0.3rem;
}

.numbered p {
    font-size: var(--step--1);
    color: var(--text-muted);
}

.checklist {
    display: grid;
    gap: 0.7rem;
}

.checklist li {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 0.85rem;
    align-items: start;
    padding: 0.85rem 1.1rem;
    border-radius: var(--radius-sm);
    background: var(--white);
    border: 1px solid var(--border);
    font-size: var(--step--1);
}

.section--alt .checklist li {
    background: var(--white);
}

.checklist svg {
    color: var(--water-teal);
    flex: none;
    margin-block-start: 3px;
}

.checklist--pending svg {
    color: var(--orange);
}

/* ------------------------------------------- 22. Makale gövdesi */

.prose {
    font-size: var(--step-1);
    line-height: 1.8;
    color: #33415c;
}

html[dir="rtl"] .prose {
    line-height: 2;
}

.prose > * + * {
    margin-block-start: 1.4em;
}

.prose h2 {
    font-size: var(--step-2);
    color: var(--navy);
    margin-block-start: 2.4em;
    padding-block-start: 1.2rem;
    border-block-start: 1px solid var(--border);
}

.prose h3 {
    font-size: var(--step-1);
    color: var(--navy);
    margin-block-start: 1.9em;
}

.prose ul,
.prose ol {
    display: grid;
    gap: 0.7em;
    padding-inline-start: 0;
}

.prose li {
    position: relative;
    padding-inline-start: 1.6em;
}

.prose li::before {
    content: "";
    position: absolute;
    inset-block-start: 0.72em;
    inset-inline-start: 0.35em;
    inline-size: 7px;
    block-size: 7px;
    border-radius: 50%;
    background: var(--water-blue);
}

.prose ol {
    counter-reset: p;
}

.prose ol li {
    counter-increment: p;
}

.prose ol li::before {
    content: counter(p) ".";
    inline-size: auto;
    block-size: auto;
    background: none;
    border-radius: 0;
    inset-block-start: 0;
    inset-inline-start: 0;
    font-family: var(--font-mono);
    font-size: 0.85em;
    font-weight: 700;
    color: var(--water-blue);
}

.prose strong {
    color: var(--navy);
    font-weight: 700;
}

.prose blockquote {
    padding: 1.2rem 1.5rem;
    border-radius: var(--radius);
    background: rgba(14, 165, 233, 0.06);
    border-inline-start: 3px solid var(--water-blue);
    font-size: var(--step-1);
    color: var(--navy);
}

.prose table {
    inline-size: 100%;
    border-collapse: collapse;
    font-size: var(--step--1);
}

.prose table th,
.prose table td {
    padding: 0.8rem 0.9rem;
    border: 1px solid var(--border);
    text-align: start;
}

.prose table th {
    background: var(--gray-light);
    font-weight: 700;
    color: var(--navy);
}

.table-scroll {
    overflow-x: auto;
    border-radius: var(--radius-sm);
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem 1rem;
    font-family: var(--font-mono);
    font-size: var(--step--1);
    color: rgba(255, 255, 255, 0.6);
    margin-block-end: 1.2rem;
}

html[dir="rtl"] .article-meta {
    font-family: var(--font-primary);
}

.article-nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 1rem;
    margin-block-start: 3rem;
    padding-block-start: 2rem;
    border-block-start: 1px solid var(--border);
}

.source-list {
    display: grid;
    gap: 0.6rem;
    font-size: var(--step--1);
}

.source-list a {
    color: var(--water-blue);
    text-decoration: underline;
    text-underline-offset: 3px;
    word-break: break-word;
}

.source-list a:hover {
    color: var(--navy);
}

/* ------------------------------------------- 23. İletişim kartları */

.contact-card {
    position: relative;
    display: grid;
    align-content: start;
    gap: 0.45rem;
    padding: clamp(1.5rem, 3vw, 2.1rem);
    border-radius: var(--radius);
    background: var(--white);
    border: 1px solid var(--border);
    overflow: hidden;
    transition: transform var(--t) var(--ease-out), box-shadow var(--t) var(--ease-out),
        border-color var(--t) var(--ease-out);
}

.contact-card::before {
    content: "";
    position: absolute;
    inset-block-start: 0;
    inset-inline-start: 0;
    inline-size: 100%;
    block-size: 3px;
    background: linear-gradient(90deg, var(--water-blue), var(--water-teal));
    transform: scaleX(0);
    transform-origin: inline-start;
    transition: transform var(--t-slow) var(--ease-out);
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: transparent;
}

.contact-card:hover::before {
    transform: scaleX(1);
}

.contact-card-icon {
    display: grid;
    place-items: center;
    inline-size: 52px;
    block-size: 52px;
    border-radius: 14px;
    margin-block-end: 0.8rem;
    color: var(--water-blue);
    background: linear-gradient(140deg, rgba(14, 165, 233, 0.12), rgba(20, 184, 166, 0.12));
    border: 1px solid rgba(14, 165, 233, 0.2);
    transition: transform var(--t) var(--ease-out);
}

.contact-card:hover .contact-card-icon {
    transform: translateY(-3px) rotate(-4deg);
}

html[dir="rtl"] .contact-card:hover .contact-card-icon {
    transform: translateY(-3px) rotate(4deg);
}

.contact-card-label {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--water-blue);
}

html[dir="rtl"] .contact-card-label {
    font-family: var(--font-primary);
    letter-spacing: normal;
    text-transform: none;
}

.contact-card-value {
    font-size: var(--step-1);
    font-weight: 700;
    color: var(--navy);
    line-height: 1.35;
    word-break: break-word;
    unicode-bidi: isolate;
}

.contact-card-value--sm {
    font-size: var(--step-0);
    font-weight: 600;
}

.contact-card-note {
    font-size: var(--step--1);
    color: var(--text-muted);
}

.contact-card .link-arrow {
    margin-block-start: 0.6rem;
    font-size: var(--step--1);
}


/* ------------------------------------------- 24. Alt bilgi */

.footer {
    background: var(--navy-dark);
    color: rgba(255, 255, 255, 0.68);
    padding-block: clamp(3rem, 6vw, 4.5rem) 2rem;
}

.footer-grid {
    display: grid;
    gap: clamp(2rem, 5vw, 3.5rem);
}

@media (min-width: 820px) {
    .footer-grid {
        grid-template-columns: 1.6fr repeat(3, 1fr);
    }
}

.footer-brand img {
    height: 38px;
    inline-size: auto;
    filter: brightness(0) invert(1);
    margin-block-end: 1.2rem;
}

.footer-brand p {
    font-size: var(--step--1);
    max-width: 44ch;
}

.footer h4 {
    font-size: 0.82rem;
    font-family: var(--font-mono);
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--water-teal);
    margin-block-end: 1.1rem;
}

html[dir="rtl"] .footer h4 {
    font-family: var(--font-primary);
    letter-spacing: normal;
}

.footer ul {
    display: grid;
    gap: 0.65rem;
}

.footer a {
    font-size: var(--step--1);
    transition: color var(--t) var(--ease-out), padding-inline-start var(--t) var(--ease-out);
}

.footer a:hover {
    color: var(--white);
    padding-inline-start: 4px;
}

.footer-bottom {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-block-start: clamp(2.5rem, 5vw, 3.5rem);
    padding-block-start: 1.6rem;
    border-block-start: 1px solid rgba(255, 255, 255, 0.12);
    font-size: var(--step--1);
}

.footer-disclaimer {
    max-width: 62ch;
    font-size: 0.78rem;
    color: rgba(255, 255, 255, 0.42);
    margin-block-start: 1rem;
}

/* ------------------------------------------- 25. Kaydırma animasyonları */

.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.85s var(--ease-out), transform 0.85s var(--ease-out);
}

.reveal-left {
    opacity: 0;
    transform: translateX(-34px);
    transition: opacity 0.85s var(--ease-out), transform 0.85s var(--ease-out);
}

html[dir="rtl"] .reveal-left {
    transform: translateX(34px);
}

.reveal-right {
    opacity: 0;
    transform: translateX(34px);
    transition: opacity 0.85s var(--ease-out), transform 0.85s var(--ease-out);
}

html[dir="rtl"] .reveal-right {
    transform: translateX(-34px);
}

.reveal-scale {
    opacity: 0;
    transform: scale(0.955);
    transition: opacity 0.95s var(--ease-out), transform 0.95s var(--ease-out);
}

.reveal.is-visible,
.reveal-left.is-visible,
.reveal-right.is-visible,
.reveal-scale.is-visible {
    opacity: 1;
    transform: none;
}

[data-stagger] > * {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.75s var(--ease-out), transform 0.75s var(--ease-out);
}

[data-stagger].is-visible > * {
    opacity: 1;
    transform: none;
}

[data-stagger].is-visible > *:nth-child(1) {
    transition-delay: 0.05s;
}
[data-stagger].is-visible > *:nth-child(2) {
    transition-delay: 0.14s;
}
[data-stagger].is-visible > *:nth-child(3) {
    transition-delay: 0.23s;
}
[data-stagger].is-visible > *:nth-child(4) {
    transition-delay: 0.32s;
}
[data-stagger].is-visible > *:nth-child(5) {
    transition-delay: 0.41s;
}
[data-stagger].is-visible > *:nth-child(6) {
    transition-delay: 0.5s;
}
[data-stagger].is-visible > *:nth-child(7) {
    transition-delay: 0.59s;
}

/* SVG çizim animasyonu */
.draw path,
.draw line,
.draw polyline,
.draw circle,
.draw rect {
    stroke-dasharray: var(--len, 1200);
    stroke-dashoffset: var(--len, 1200);
    transition: stroke-dashoffset 2.4s var(--ease-out);
}

.draw.is-visible path,
.draw.is-visible line,
.draw.is-visible polyline,
.draw.is-visible circle,
.draw.is-visible rect {
    stroke-dashoffset: 0;
}

/* ------------------------------------------- 26. Hareket tercihi */

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
        scroll-behavior: auto !important;
    }

    .reveal,
    .reveal-left,
    .reveal-right,
    .reveal-scale,
    [data-stagger] > *,
    .hero-desc,
    .hero .btn-row,
    .hero-microcopy,
    .hero-legend,
    .formula-term,
    .formula-op,
    .scenario-node {
        opacity: 1 !important;
        transform: none !important;
    }

    .hero-title .line > span {
        transform: none;
    }

    .hero-particles,
    .hero-scroll {
        display: none;
    }

    .draw path,
    .draw line,
    .draw polyline,
    .draw circle,
    .draw rect {
        stroke-dashoffset: 0;
    }
}

/* ------------------------------------------- 27. Yazdırma */

@media print {
    .navbar,
    .hero-particles,
    .hero-scroll,
    .progress-bar,
    .nav-scrim,
    .scenario-actions {
        display: none !important;
    }

    body {
        color: #000;
        background: #fff;
    }

    .reveal,
    .reveal-left,
    .reveal-right,
    .reveal-scale,
    [data-stagger] > * {
        opacity: 1 !important;
        transform: none !important;
    }
}