/*
|==============================================================================
| Aykut Bilici — tasarım sistemi
|------------------------------------------------------------------------------
| Koyu, sinematik, tek sayfa. Framework yok.
|
|   1. Tokenlar            7. Hakkında
|   2. Temel               8. Girişimler
|   3. Tipografi           9. Bakış açısı
|   4. Bileşenler         10. Basın · İletişim · Footer
|   5. Header · Menü      11. Hareket
|   6. Hero               12. Duyarlı düzen · erişilebilirlik
|==============================================================================
*/

/* ---------------------------------------------------------------- 1. TOKENS */

:root {
    /* Zemin katmanları */
    --bg:        #07080A;
    --bg-raise:  #0D0F13;
    --surface:   rgba(255, 255, 255, 0.028);
    --surface-2: rgba(255, 255, 255, 0.05);
    --line:      rgba(255, 255, 255, 0.075);
    --line-2:    rgba(255, 255, 255, 0.13);

    /* Metin */
    --text:   #F4F5F7;
    --text-2: #A3A9B3;
    --text-3: #6E747E;

    /* Vurgu — portredeki lacivertten türetilmiş, ekranda parlayan mavi */
    --accent:      #7EA6FF;
    --accent-soft: #B9CEFF;
    --accent-deep: #2F5BD3;

    /* Girişim tonları (yalnızca kart illüstrasyonlarında) */
    --tone-hub:   #7EA6FF;
    --tone-tower: #6EE7D8;
    --tone-beam:  #4DB8F5;   /* UVCraft logosundaki maviden */

    /* Tipografi */
    --font: 'Geist', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', sans-serif;
    --mono: 'Geist Mono', ui-monospace, 'SFMono-Regular', Menlo, monospace;

    /* Ölçü */
    --shell: 1240px;
    --gutter: clamp(20px, 4vw, 40px);
    --radius: 24px;
    --radius-sm: 14px;
    --header-h: 64px;

    /* Hareket */
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
}

/* ------------------------------------------------------------------ 2. BASE */

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

html {
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
    scroll-behavior: smooth;
    scroll-padding-top: 96px;
    background: var(--bg);
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-2);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    font-feature-settings: 'ss01', 'cv11';
    overflow-x: clip;
}

body.is-locked { overflow: hidden; }

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

h1, h2, h3, p, ul, ol, figure, blockquote { margin: 0; }
ul, ol { padding: 0; list-style: none; }

a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }

::selection { background: var(--accent); color: #05070B; }

:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
    border-radius: 6px;
}

.shell {
    width: 100%;
    max-width: calc(var(--shell) + var(--gutter) * 2);
    margin-inline: auto;
    padding-inline: var(--gutter);
}

.skip-link {
    position: fixed;
    top: 12px;
    left: 12px;
    z-index: 100;
    padding: 10px 16px;
    border-radius: 999px;
    background: var(--text);
    color: var(--bg);
    font-weight: 500;
    transform: translateY(-160%);
    transition: transform 0.3s var(--ease-out);
}
.skip-link:focus { transform: none; }

.visually-hidden {
    position: absolute !important;
    width: 1px; height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
}

/* Sabit arka plan: ince ızgara + iki yumuşak ışık + gren */
.backdrop {
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    overflow: hidden;
}

.backdrop__grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(to right, rgba(255, 255, 255, 0.035) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
    background-size: 72px 72px;
    background-position: center top;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 20%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 20%, transparent 75%);
}

.backdrop__glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(90px);
    opacity: 0.55;
}
.backdrop__glow--a {
    top: -22vw; left: 50%;
    width: 70vw; height: 42vw;
    transform: translateX(-50%);
    background: radial-gradient(closest-side, rgba(62, 108, 255, 0.55), rgba(62, 108, 255, 0));
}
.backdrop__glow--b {
    top: 10vh; right: -18vw;
    width: 40vw; height: 40vw;
    background: radial-gradient(closest-side, rgba(126, 166, 255, 0.18), transparent);
}

.backdrop__grain {
    position: absolute;
    inset: -50%;
    opacity: 0.06;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ------------------------------------------------------------ 3. TYPOGRAPHY */

.display,
.h2,
.h3 {
    color: var(--text);
    font-weight: 500;
    text-wrap: balance;
    font-feature-settings: 'ss01', 'cv11', 'kern';
}

/* Hero başlığı — sayfanın tek h1'i */
.display {
    font-size: clamp(2.9rem, 1.2rem + 5.4vw, 4.6rem);
    line-height: 0.96;
    letter-spacing: -0.052em;
    max-width: 11.5ch;
}

.h2 {
    font-size: clamp(2.25rem, 1.2rem + 3.4vw, 4.4rem);
    line-height: 1.02;
    letter-spacing: -0.045em;
    max-width: 18ch;
}
.h2--xl {
    font-size: clamp(2.6rem, 1.2rem + 5vw, 6rem);
    line-height: 0.98;
    letter-spacing: -0.05em;
}

.h2 .muted { color: var(--text-3); }

.h3 {
    font-size: clamp(1.5rem, 1.2rem + 0.9vw, 2rem);
    line-height: 1.1;
    letter-spacing: -0.035em;
}

/* Başlıktaki vurgulu kelimeler: yavaşça kayan metal-mavi degrade */
/* Degrade her kelimeye ayrı uygulanır: kelimeler animasyon için dönüştürülen
   inline-block kutular olduğundan üst öğedeki background-clip onları kapsamaz. */
.accent .word {
    background: linear-gradient(100deg, var(--accent-soft) 0%, var(--accent) 35%, #E6EDFF 55%, var(--accent) 80%);
    background-size: 220% 100%;
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    -webkit-text-fill-color: transparent;
    padding-bottom: 0.06em;
    animation: sheen 9s var(--ease-in-out) infinite;
}

.lead {
    font-size: clamp(1.05rem, 0.98rem + 0.3vw, 1.2rem);
    line-height: 1.6;
    color: var(--text-2);
    max-width: 38rem;
    text-wrap: pretty;
}

.eyebrow {
    font-family: var(--mono);
    font-size: 12px;
    font-weight: 400;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-3);
}

/* ------------------------------------------------------------ 4. COMPONENTS */

/* Pill etiket — bölüm başlıklarının üstünde */
.pill {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    height: 32px;
    padding: 0 14px 0 6px;
    border: 1px solid var(--line-2);
    border-radius: 999px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.015));
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
    color: var(--text);
    font-size: 13px;
    font-weight: 500;
    letter-spacing: -0.005em;
    white-space: nowrap;
}

.pill__index {
    display: inline-grid;
    place-items: center;
    min-width: 22px;
    height: 22px;
    padding: 0 6px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
    font-family: var(--mono);
    font-size: 11px;
    color: var(--text-2);
}

.pill__dot {
    position: relative;
    width: 8px;
    height: 8px;
    margin-left: 6px;
    border-radius: 50%;
    background: #4ADE80;
    box-shadow: 0 0 12px rgba(74, 222, 128, 0.8);
}
.pill__dot::after {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 1px solid rgba(74, 222, 128, 0.6);
    animation: ping 2.4s var(--ease-out) infinite;
}

.pill__sep { color: var(--text-3); }

/* Butonlar */
.btn {
    --h: 48px;
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    height: var(--h);
    padding: 0 22px;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 500;
    letter-spacing: -0.01em;
    white-space: nowrap;
    overflow: hidden;
    isolation: isolate;
    transition: transform 0.5s var(--ease-out), background-color 0.3s, border-color 0.3s, color 0.3s, box-shadow 0.4s;
}
.btn:active { transform: scale(0.97); }

.btn--sm { --h: 40px; padding: 0 16px; font-size: 14px; }
.btn--lg { --h: 56px; padding: 0 26px; font-size: 16px; }

.btn--light {
    background: var(--text);
    color: #07080A;
    box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.4), 0 8px 30px -8px rgba(126, 166, 255, 0.55);
}
.btn--light:hover {
    background: #fff;
    box-shadow: 0 0 0 1px #fff, 0 12px 44px -8px rgba(126, 166, 255, 0.85);
}

.btn--ghost {
    background: rgba(255, 255, 255, 0.04);
    color: var(--text);
    box-shadow: inset 0 0 0 1px var(--line-2), inset 0 1px 0 rgba(255, 255, 255, 0.06);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}
.btn--ghost:hover { background: rgba(255, 255, 255, 0.09); }

.btn__arrow {
    transition: transform 0.5s var(--ease-out);
}
.btn:hover .btn__arrow { transform: translate(2px, -2px) rotate(0deg); }

/* Etiket listesi */
.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}
.tags li {
    padding: 5px 11px;
    border: 1px solid var(--line-2);
    border-radius: 999px;
    font-size: 12.5px;
    color: var(--text-2);
    background: rgba(255, 255, 255, 0.02);
}

/* Doğrulanacak içerik işareti — geliştirme notu, yayında kaldırılır */
.flag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-left: 6px;
    padding: 2px 8px;
    border-radius: 999px;
    border: 1px dashed rgba(251, 191, 36, 0.5);
    color: #FBBF24;
    font-family: var(--mono);
    font-size: 10.5px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    vertical-align: middle;
    white-space: nowrap;
}

/* Fareyi izleyen ışık — kartlar, notlar, iletişim bloğu */
[data-spotlight] {
    --mx: 50%;
    --my: 50%;
    position: relative;
}
[data-spotlight]::before {
    content: '';
    position: absolute;
    inset: 0;
    z-index: 0;
    border-radius: inherit;
    background: radial-gradient(520px circle at var(--mx) var(--my), rgba(126, 166, 255, 0.10), transparent 45%);
    opacity: 0;
    transition: opacity 0.5s;
    pointer-events: none;
}
[data-spotlight]::after {
    content: '';
    position: absolute;
    inset: 0;
    z-index: 0;
    padding: 1px;
    border-radius: inherit;
    background: radial-gradient(360px circle at var(--mx) var(--my), rgba(185, 206, 255, 0.55), transparent 50%);
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
    mask: linear-gradient(#000 0 0) content-box exclude, linear-gradient(#000 0 0);
    opacity: 0;
    transition: opacity 0.5s;
    pointer-events: none;
}
[data-spotlight]:hover::before,
[data-spotlight]:hover::after { opacity: 1; }

/* -------------------------------------------------------- 5. HEADER · MENU */

.header {
    position: fixed;
    inset: 14px 0 auto;
    z-index: 50;
    padding-inline: var(--gutter);
    pointer-events: none;
}

.header__bar {
    display: flex;
    align-items: center;
    gap: 16px;
    max-width: 1040px;
    height: var(--header-h);
    margin-inline: auto;
    padding: 0 12px 0 14px;
    border-radius: 999px;
    border: 1px solid transparent;
    pointer-events: auto;
    transition: background-color 0.5s var(--ease-out), border-color 0.5s, box-shadow 0.5s, max-width 0.7s var(--ease-out);
}

.header.is-stuck .header__bar {
    max-width: 920px;
    background: rgba(12, 14, 18, 0.62);
    border-color: var(--line-2);
    box-shadow: 0 20px 50px -20px rgba(0, 0, 0, 0.7), inset 0 1px 0 rgba(255, 255, 255, 0.06);
    backdrop-filter: blur(18px) saturate(160%);
    -webkit-backdrop-filter: blur(18px) saturate(160%);
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-right: auto;
    color: var(--text);
    font-weight: 500;
    letter-spacing: -0.02em;
}

.brand__mark {
    display: grid;
    place-items: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(145deg, #1B2A4A, #0B1222);
    box-shadow: inset 0 0 0 1px rgba(126, 166, 255, 0.35), 0 0 20px -4px rgba(126, 166, 255, 0.45);
    font-size: 12.5px;
    font-weight: 600;
    letter-spacing: 0.02em;
    color: var(--accent-soft);
}

.brand__name { font-size: 15px; }

.nav {
    display: flex;
    align-items: center;
    gap: 2px;
}

.nav__link {
    position: relative;
    padding: 8px 14px;
    border-radius: 999px;
    font-size: 14px;
    color: var(--text-2);
    transition: color 0.25s, background-color 0.25s;
}
.nav__link:hover { color: var(--text); background: rgba(255, 255, 255, 0.05); }
.nav__link[aria-current='true'] { color: var(--text); background: rgba(255, 255, 255, 0.07); }

.header__cta { margin-left: 6px; }

.menu-toggle {
    display: none;
    position: relative;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.06);
    box-shadow: inset 0 0 0 1px var(--line-2);
}
.menu-toggle span {
    position: absolute;
    left: 14px;
    right: 14px;
    height: 1.5px;
    border-radius: 2px;
    background: var(--text);
    transition: transform 0.5s var(--ease-out);
}
.menu-toggle span:first-child { transform: translateY(-3.5px); }
.menu-toggle span:last-child  { transform: translateY(3.5px); }
.menu-toggle[aria-expanded='true'] span:first-child { transform: rotate(45deg); }
.menu-toggle[aria-expanded='true'] span:last-child  { transform: rotate(-45deg); }

.menu {
    position: fixed;
    inset: 0;
    z-index: 40;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 120px var(--gutter) calc(32px + env(safe-area-inset-bottom));
    background: rgba(7, 8, 10, 0.86);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s var(--ease-out), visibility 0s linear 0.5s;
}
.menu.is-open {
    opacity: 1;
    visibility: visible;
    transition: opacity 0.5s var(--ease-out), visibility 0s;
}

.menu__item {
    border-bottom: 1px solid var(--line);
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 0.6s var(--ease-out), transform 0.8s var(--ease-out);
}
.menu.is-open .menu__item { opacity: 1; transform: none; }
.menu.is-open .menu__item:nth-child(2) { transition-delay: 0.05s; }
.menu.is-open .menu__item:nth-child(3) { transition-delay: 0.1s; }
.menu.is-open .menu__item:nth-child(4) { transition-delay: 0.15s; }
.menu.is-open .menu__item:nth-child(5) { transition-delay: 0.2s; }

.menu__link {
    display: flex;
    align-items: baseline;
    gap: 16px;
    padding: 18px 0;
    font-size: clamp(2rem, 9vw, 3rem);
    font-weight: 500;
    letter-spacing: -0.045em;
    line-height: 1;
    color: var(--text);
}
.menu__index {
    font-family: var(--mono);
    font-size: 12px;
    letter-spacing: 0;
    color: var(--text-3);
}
.menu__foot { font-size: 13px; color: var(--text-3); }

/* ------------------------------------------------------------------ 6. HERO */

.hero {
    position: relative;
    padding-top: clamp(128px, 16vh, 176px);
}

.hero__inner {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    align-items: center;
    gap: clamp(40px, 6vw, 96px);
}

.hero__copy {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.hero__pill { margin-bottom: 28px; }

.hero__title { margin-bottom: 28px; }

.hero__lead { margin-bottom: 36px; max-width: 34rem; }

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 48px;
}

.hero__eyebrow {
    display: flex;
    align-items: center;
    gap: 14px;
}
.hero__eyebrow::before {
    content: '';
    width: 32px;
    height: 1px;
    background: var(--line-2);
}

/* Portre kartı */
.portrait {
    --rx: 0deg;
    --ry: 0deg;
    position: relative;
    justify-self: end;
    width: 100%;
    max-width: 460px;
    perspective: 1200px;
}

.portrait__card {
    position: relative;
    aspect-ratio: 4 / 5;
    border-radius: 28px;
    overflow: hidden;
    background: var(--bg-raise);
    box-shadow:
        0 0 0 1px rgba(255, 255, 255, 0.1),
        0 40px 120px -30px rgba(47, 91, 211, 0.55),
        0 30px 60px -30px rgba(0, 0, 0, 0.9);
    transform: rotateX(var(--rx)) rotateY(var(--ry));
    transform-style: preserve-3d;
    transition: transform 0.9s var(--ease-out);
}

.portrait__card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: 50% 20%;
    transform: scale(1.04);
    filter: saturate(0.9) contrast(1.04);
}

.portrait__shade {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(180deg, rgba(7, 8, 10, 0) 45%, rgba(7, 8, 10, 0.85) 100%),
        linear-gradient(180deg, rgba(47, 91, 211, 0.08), rgba(47, 91, 211, 0));
}

.portrait__caption {
    position: absolute;
    left: 14px;
    right: 14px;
    bottom: 14px;
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 14px 18px;
    border-radius: 18px;
    background: rgba(12, 14, 18, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(16px) saturate(150%);
    -webkit-backdrop-filter: blur(16px) saturate(150%);
}
.portrait__name {
    color: var(--text);
    font-weight: 500;
    font-size: 16px;
    letter-spacing: -0.02em;
}
.portrait__role { font-size: 13px; color: var(--text-2); }

/* Yüzen girişim etiketleri */
.float-chip {
    position: absolute;
    z-index: 2;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 11px 16px;
    border-radius: 999px;
    background: rgba(14, 16, 21, 0.72);
    border: 1px solid var(--line-2);
    box-shadow: 0 16px 40px -12px rgba(0, 0, 0, 0.8), inset 0 1px 0 rgba(255, 255, 255, 0.06);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    color: var(--text);
    font-size: 13px;
    font-weight: 500;
    white-space: nowrap;
    animation: float 7s var(--ease-in-out) infinite;
}
.float-chip__logo { width: auto; height: 21px; }
.float-chip--hub .float-chip__logo { height: 28px; }
.float-chip__logo--mark { display: grid; color: var(--accent-soft); height: auto; }
.float-chip--1 { top: 12%;  left: -14%; }
.float-chip--2 { top: 44%;  right: -10%; animation-delay: -2.3s; }
.float-chip--3 { top: 68%; left: -10%; animation-delay: -4.6s; }

/* Kayan şerit */
.marquee {
    display: flex;
    margin-top: clamp(72px, 10vw, 128px);
    padding-block: 26px;
    border-block: 1px solid var(--line);
    overflow: hidden;
    mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
    -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}

.marquee__track {
    display: flex;
    flex-shrink: 0;
    align-items: center;
    gap: 56px;
    padding-right: 56px;
    animation: marquee 42s linear infinite;
}
.marquee:hover .marquee__track { animation-play-state: paused; }

.marquee__item {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    font-size: clamp(1.1rem, 0.9rem + 0.8vw, 1.5rem);
    font-weight: 500;
    letter-spacing: -0.03em;
    color: var(--text-3);
    white-space: nowrap;
}
.marquee__logo {
    width: auto;
    height: 26px;
    opacity: 0.92;
}
.marquee__item--venture img[src*='thub'] { height: 34px; }
.marquee__item--venture .marquee__logo--mark { color: var(--accent); height: auto; }
.marquee__star { font-size: 0.7em; color: var(--text-3); opacity: 0.6; }

/* -------------------------------------------------------------- SECTIONS */

.section {
    position: relative;
    padding-block: clamp(96px, 14vw, 176px);
}

.section-head {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 24px;
    margin-bottom: clamp(48px, 7vw, 88px);
}

.section-head--split {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
    gap: 40px;
}
.section-head--split > div {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 24px;
}
.section-head__intro { max-width: 24rem; }

.section-head--center { align-items: center; text-align: center; margin-bottom: 40px; }

/* ----------------------------------------------------------------- 7. ABOUT */

/* Kaydırdıkça kelime kelime aydınlanan büyük paragraf */
.statement {
    max-width: 30ch;
    margin-bottom: clamp(64px, 9vw, 120px);
    font-size: clamp(1.75rem, 1rem + 2.6vw, 3.25rem);
    font-weight: 500;
    line-height: 1.18;
    letter-spacing: -0.035em;
    color: var(--text);
    text-wrap: pretty;
}

.sw {
    transition: opacity 0.35s linear, color 0.35s linear;
}
.js [data-scrub] .sw { opacity: 0.16; }
.js [data-scrub] .sw.is-lit { opacity: 1; }

.about__grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: clamp(40px, 7vw, 112px);
    padding-top: clamp(40px, 5vw, 64px);
    border-top: 1px solid var(--line);
}

.about__body {
    display: grid;
    align-content: start;
    gap: 22px;
    font-size: 17px;
    line-height: 1.7;
    max-width: 34rem;
}

.focus .eyebrow { margin-bottom: 18px; }

.focus__list { border-top: 1px solid var(--line); }

.focus__item {
    display: grid;
    grid-template-columns: 44px 1fr auto;
    align-items: center;
    padding: 20px 4px;
    border-bottom: 1px solid var(--line);
    color: var(--text);
    font-size: clamp(1.05rem, 0.95rem + 0.4vw, 1.3rem);
    font-weight: 500;
    letter-spacing: -0.025em;
    transition: padding 0.5s var(--ease-out), color 0.3s;
}
.focus__index {
    font-family: var(--mono);
    font-size: 12px;
    color: var(--text-3);
    letter-spacing: 0;
}
.focus__arrow {
    color: var(--text-3);
    opacity: 0;
    transform: translate(-6px, 6px);
    transition: opacity 0.4s, transform 0.5s var(--ease-out), color 0.3s;
}
.focus__item:hover { padding-left: 14px; }
.focus__item:hover .focus__arrow { opacity: 1; transform: none; color: var(--accent); }

/* -------------------------------------------------------------- 8. VENTURES */

.ventures {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.venture {
    --tone: var(--tone-hub);
    display: flex;
    flex-direction: column;
    border-radius: var(--radius);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.012));
    box-shadow: inset 0 0 0 1px var(--line), inset 0 1px 0 rgba(255, 255, 255, 0.05);
    overflow: hidden;
    color: inherit;
    transition: transform 0.7s var(--ease-out), box-shadow 0.4s;
}
.venture:hover { transform: translateY(-4px); }

.venture--tower { --tone: var(--tone-tower); }
.venture--beam  { --tone: var(--tone-beam); }

/* İlk kart geniş: metin solda, görsel sağda */
.venture:first-child {
    grid-column: 1 / -1;
    flex-direction: row-reverse;
}
.venture:first-child .venture__visual { flex: 1 1 50%; min-height: 420px; border-left: 1px solid var(--line); border-bottom: 0; }
.venture:first-child .venture__content { flex: 1 1 50%; justify-content: center; padding: clamp(28px, 4vw, 56px); }
.venture:first-child .venture__name { font-size: clamp(2rem, 1.4rem + 1.6vw, 2.9rem); }

.venture__visual {
    position: relative;
    z-index: 1;
    display: grid;
    place-items: center;
    min-height: 300px;
    border-bottom: 1px solid var(--line);
    background:
        radial-gradient(60% 70% at 50% 45%, color-mix(in srgb, var(--tone) 16%, transparent), transparent 70%),
        linear-gradient(to right, rgba(255, 255, 255, 0.03) 1px, transparent 1px) 0 0 / 28px 28px,
        linear-gradient(to bottom, rgba(255, 255, 255, 0.03) 1px, transparent 1px) 0 0 / 28px 28px;
    overflow: hidden;
    color: var(--tone);
}

.venture__content {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    flex: 1;
    padding: clamp(24px, 3vw, 36px);
}

.venture__top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 26px;
    min-height: 44px;
}

.venture__mark {
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: color-mix(in srgb, var(--tone) 12%, transparent);
    box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--tone) 35%, transparent);
    color: var(--tone);
}

.venture__logo {
    display: block;
    width: auto;
    height: 30px;
}
.venture__logo--hub { height: 40px; }
.venture:first-child .venture__logo { height: 40px; }
.venture:first-child .venture__logo--hub { height: 54px; }
.venture__logo--mark {
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: color-mix(in srgb, var(--tone) 12%, transparent);
    color: var(--tone);
}

.venture__index {
    font-family: var(--mono);
    font-size: 12px;
    color: var(--text-3);
}

.venture__name { margin-bottom: 8px; }

.venture__role {
    margin-bottom: 18px;
    font-family: var(--mono);
    font-size: 12px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--tone);
}

.venture__body {
    margin-bottom: 26px;
    font-size: 16px;
    line-height: 1.65;
    max-width: 36rem;
}

.venture__content .tags { margin-top: auto; }

.venture__link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-top: 28px;
    padding-top: 20px;
    border-top: 1px solid var(--line);
    color: var(--text);
    font-size: 14px;
    font-weight: 500;
}
.venture__domain { font-family: var(--mono); font-size: 13px; letter-spacing: 0; }
.venture__go {
    display: grid;
    place-items: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    box-shadow: inset 0 0 0 1px var(--line-2);
    transition: background-color 0.4s, color 0.4s, transform 0.6s var(--ease-out);
}
a.venture:hover .venture__go {
    background: var(--tone);
    color: #07080A;
    transform: rotate(45deg);
}
a.venture:hover .venture__domain { color: var(--tone); }

/* --- İllüstrasyonlar ------------------------------------------------------ */

.visual {
    width: min(100%, 400px);
    height: auto;
    overflow: visible;
}

/* THUB — merkez ve düğümler */
.visual--hub .v-orbit { fill: none; stroke: rgba(255, 255, 255, 0.07); stroke-dasharray: 2 6; }
.visual--hub .v-link {
    stroke: currentColor;
    stroke-opacity: 0.35;
    stroke-width: 1;
    stroke-dasharray: 4 6;
    animation: dash 3s linear infinite;
    animation-delay: calc(var(--n) * -0.5s);
}
.visual--hub .v-node circle:first-child {
    fill: #0D1017;
    stroke: currentColor;
    stroke-opacity: 0.4;
}
.visual--hub .v-node__core {
    fill: currentColor;
    animation: blink 2.8s var(--ease-in-out) infinite;
    animation-delay: calc(var(--n) * 0.45s);
}
.visual--hub .v-center { fill: #101624; stroke: currentColor; stroke-opacity: 0.8; }
.visual--hub .v-center__mark { stroke: currentColor; }
.visual--hub .v-pulse {
    fill: none;
    stroke: currentColor;
    transform-origin: 200px 175px;
    animation: pulse 3s var(--ease-out) infinite;
}

/* Towercraft — cephe taraması */
.visual--tower .v-facade { fill: rgba(255, 255, 255, 0.015); stroke: rgba(255, 255, 255, 0.1); }
.visual--tower .v-cell {
    fill: rgba(255, 255, 255, 0.035);
    stroke: rgba(255, 255, 255, 0.06);
    animation: cell 6s linear infinite;
    animation-delay: calc(var(--r) * 0.3s + 0.25s);
}
.visual--tower .v-rig {
    color: var(--tone);
    animation: rig 6s var(--ease-in-out) infinite;
}
.visual--tower .v-cable { stroke: rgba(255, 255, 255, 0.2); stroke-width: 1; }
.visual--tower .v-unit { fill: #0F1A1A; stroke: currentColor; stroke-width: 1.2; }
.visual--tower .v-led { fill: currentColor; filter: drop-shadow(0 0 4px currentColor); }

/* UVCraft — ışık kaynağı */
.visual--beam .v-wave {
    fill: none;
    stroke: currentColor;
    stroke-opacity: 0.5;
    transform-origin: 200px 110px;
    animation: wave 4.5s var(--ease-out) infinite;
    animation-delay: calc(var(--n) * 1.5s);
}
.visual--beam .v-ray {
    stroke: currentColor;
    stroke-width: 1.2;
    stroke-linecap: round;
    stroke-opacity: 0.5;
    stroke-dasharray: 3 9;
    animation: dash 1.6s linear infinite reverse;
    animation-delay: calc(var(--n) * -0.2s);
}
.visual--beam .v-lamp { fill: #0E1822; stroke: currentColor; stroke-opacity: 0.7; }
.visual--beam .v-lamp__tube { fill: currentColor; filter: drop-shadow(0 0 10px currentColor); }
.visual--beam .v-floor { stroke: rgba(255, 255, 255, 0.12); stroke-dasharray: 2 6; }

/* ----------------------------------------------------------- 9. PERSPECTIVE */

.section--perspective {
    border-top: 1px solid var(--line);
    background: radial-gradient(60% 50% at 50% 0%, rgba(62, 108, 255, 0.10), transparent 70%);
}

.quote {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    margin-bottom: clamp(72px, 10vw, 128px);
}

.quote blockquote p {
    max-width: 24ch;
    margin-inline: auto;
    font-size: clamp(2rem, 1rem + 3.4vw, 4.1rem);
    font-weight: 500;
    line-height: 1.08;
    letter-spacing: -0.045em;
    color: var(--text);
    text-wrap: balance;
}

.quote__mark { color: var(--accent); }

.quote__by {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 40px;
    text-align: left;
}
.quote__by img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    object-position: 50% 15%;
    box-shadow: 0 0 0 1px var(--line-2);
}
.quote__by strong { display: block; color: var(--text); font-weight: 500; font-size: 15px; }
.quote__by span span { font-size: 13px; color: var(--text-3); }

.notes {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.note {
    padding: clamp(26px, 3vw, 36px);
    border-radius: var(--radius);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.01));
    box-shadow: inset 0 0 0 1px var(--line);
}
.note > * { position: relative; z-index: 1; }

.note__index {
    display: inline-block;
    margin-bottom: 44px;
    font-family: var(--mono);
    font-size: 12px;
    color: var(--accent);
}

.note__title {
    margin-bottom: 12px;
    color: var(--text);
    font-size: 1.3rem;
    font-weight: 500;
    line-height: 1.2;
    letter-spacing: -0.03em;
}

.note p { font-size: 15.5px; line-height: 1.65; }

/* -------------------------------------------- 10. PRESS · CONTACT · FOOTER */

.press { border-top: 1px solid var(--line); }

.press__row {
    display: grid;
    grid-template-columns: 90px 1fr auto 20px;
    align-items: center;
    gap: 24px;
    padding: 26px 4px;
    border-bottom: 1px solid var(--line);
    transition: padding 0.5s var(--ease-out);
}
a.press__row:hover { padding-left: 16px; }
.press__year { font-family: var(--mono); font-size: 13px; color: var(--text-3); }
.press__title { color: var(--text); font-size: 1.2rem; font-weight: 500; letter-spacing: -0.025em; }
.press__outlet { font-size: 14px; color: var(--text-3); }

.section--contact { padding-top: 0; }

.cta {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 28px;
    padding: clamp(56px, 9vw, 120px) clamp(22px, 5vw, 64px);
    border-radius: 36px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.012));
    box-shadow: inset 0 0 0 1px var(--line-2), inset 0 1px 0 rgba(255, 255, 255, 0.08);
    overflow: hidden;
    isolation: isolate;
}
.cta > *:not(.cta__glow) { position: relative; z-index: 1; }
.cta .h2 { max-width: 14ch; }

.cta__glow {
    position: absolute;
    left: 50%;
    bottom: -60%;
    z-index: -1;
    width: 120%;
    aspect-ratio: 2 / 1;
    transform: translateX(-50%);
    border-radius: 50%;
    background: radial-gradient(closest-side, rgba(62, 108, 255, 0.45), rgba(62, 108, 255, 0.08) 60%, transparent);
    filter: blur(20px);
    animation: breathe 8s var(--ease-in-out) infinite;
}
.cta::before, .cta::after { z-index: 0; }

.cta__intro { max-width: 34rem; }

.cta__actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    margin-top: 8px;
}

.btn--icon .copy__label { font-size: 15px; }
.btn--icon.is-copied { color: #4ADE80; }

.footer {
    padding-top: clamp(64px, 8vw, 96px);
    overflow: hidden;
}

.footer__top {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    justify-content: space-between;
    gap: 24px;
    padding-bottom: 40px;
}

.footer__tagline {
    max-width: 24rem;
    color: var(--text);
    font-size: 1.15rem;
    font-weight: 500;
    letter-spacing: -0.025em;
    line-height: 1.35;
}

.footer__nav {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 26px;
    font-size: 14px;
}
.footer__nav a { color: var(--text-2); transition: color 0.25s; }
.footer__nav a:hover { color: var(--text); }

/* Dev sayfa sonu imzası */
.wordmark {
    margin: 0 -0.04em;
    font-size: clamp(3.5rem, 17vw, 17.2rem);
    font-weight: 600;
    line-height: 0.8;
    letter-spacing: -0.065em;
    white-space: nowrap;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.22) 0%, rgba(255, 255, 255, 0.02) 90%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    user-select: none;
    text-align: center;
}

.footer__bottom {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 12px 24px;
    padding: 28px 0 calc(28px + env(safe-area-inset-bottom));
    border-top: 1px solid var(--line);
    font-size: 13px;
    color: var(--text-3);
}
.footer__bottom a:hover { color: var(--text); }

.footer__logos {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 14px 32px;
}
.footer__logo {
    width: auto;
    height: 18px;
    opacity: 0.5;
    filter: grayscale(1);
    transition: opacity 0.3s, filter 0.3s;
}
.footer__logos img[src*='thub'] { height: 24px; }
.footer__logos a:hover .footer__logo { opacity: 1; filter: none; }
.footer__bottom { align-items: center; }

/* ---------------------------------------------------------------- 11. MOTION */

/* Hero açılışı: sayfa yüklenince bir kez */
.js .intro {
    opacity: 0;
    filter: blur(8px);
    transform: translateY(18px);
    animation: rise 1.2s var(--ease-out) forwards;
    animation-delay: calc(var(--d, 0) * 70ms + 150ms);
}

.js .hero__title .word {
    display: inline-block;
    opacity: 0;
    filter: blur(12px);
    transform: translateY(0.35em);
    animation: rise 1.1s var(--ease-out) forwards;
    animation-delay: calc(var(--i) * 55ms + 220ms);
}
.js .hero__title .accent .word {
    animation: rise 1.1s var(--ease-out) forwards, sheen 9s var(--ease-in-out) infinite;
    animation-delay: calc(var(--i) * 55ms + 220ms), 0s;
}

/* Kaydırınca beliren öğeler */
.js .reveal {
    opacity: 0;
    filter: blur(6px);
    transform: translateY(28px);
    transition:
        opacity 1s var(--ease-out),
        filter 1s var(--ease-out),
        transform 1.2s var(--ease-out);
    transition-delay: calc(var(--d, 0) * 90ms);
}
.js .reveal.is-visible {
    opacity: 1;
    filter: none;
    transform: none;
}
/* Kart kendi hover dönüşümünü reveal sonrasında hızlı kullanabilsin */
.js .venture.reveal.is-visible { transition: opacity 1s var(--ease-out), filter 1s var(--ease-out), transform 0.7s var(--ease-out), box-shadow 0.4s; }

@keyframes rise {
    to { opacity: 1; filter: blur(0); transform: none; }
}
@keyframes sheen {
    0%, 100% { background-position: 0% 50%; }
    50%      { background-position: 100% 50%; }
}
@keyframes ping {
    0%   { transform: scale(0.6); opacity: 1; }
    80%, 100% { transform: scale(1.8); opacity: 0; }
}
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50%      { transform: translateY(-10px); }
}
@keyframes marquee {
    to { transform: translateX(-100%); }
}
@keyframes dash {
    to { stroke-dashoffset: -40; }
}
@keyframes blink {
    0%, 100% { opacity: 0.35; }
    50%      { opacity: 1; }
}
@keyframes pulse {
    0%   { transform: scale(0.8); opacity: 0.8; }
    100% { transform: scale(2.4); opacity: 0; }
}
@keyframes rig {
    0%   { transform: translateY(20px); }
    50%  { transform: translateY(330px); }
    100% { transform: translateY(20px); }
}
@keyframes cell {
    0%, 100% { fill: rgba(255, 255, 255, 0.035); }
    8%       { fill: color-mix(in srgb, var(--tone-tower) 55%, transparent); }
    30%      { fill: color-mix(in srgb, var(--tone-tower) 10%, transparent); }
    50%      { fill: rgba(255, 255, 255, 0.035); }
}
@keyframes wave {
    0%   { transform: scale(0.6); opacity: 0.9; }
    100% { transform: scale(3.6); opacity: 0; }
}
@keyframes breathe {
    0%, 100% { opacity: 0.85; transform: translateX(-50%) scale(1); }
    50%      { opacity: 1;    transform: translateX(-50%) scale(1.06); }
}

/* ------------------------------------------- 12. RESPONSIVE · ACCESSIBILITY */

@media (max-width: 1080px) {
    .float-chip--1 { left: -6%; }
    .float-chip--2 { right: -4%; }
    .float-chip--3 { left: -4%; }
}

@media (max-width: 960px) {
    .nav, .header__cta { display: none; }
    .menu-toggle { display: block; }
    .header__bar { padding-right: 10px; height: 60px; }
    .header .header__bar {
        background: rgba(12, 14, 18, 0.62);
        border-color: var(--line-2);
        backdrop-filter: blur(18px) saturate(160%);
        -webkit-backdrop-filter: blur(18px) saturate(160%);
    }

    .hero__inner { grid-template-columns: 1fr; }
    .portrait { justify-self: center; max-width: 420px; margin-top: 12px; }
    .float-chip--1 { left: -4%; }
    .float-chip--2 { right: -4%; }
    .float-chip--3 { left: -2%; }

    .section-head--split { flex-direction: column; align-items: flex-start; }

    .about__grid { grid-template-columns: 1fr; }

    .ventures { grid-template-columns: 1fr; }
    .venture:first-child { flex-direction: column; }
    .venture:first-child .venture__visual { min-height: 300px; border-left: 0; border-bottom: 1px solid var(--line); }

    .notes { grid-template-columns: 1fr; }
}

@media (min-width: 961px) {
    .menu { display: none; }
}

@media (max-width: 560px) {
    body { font-size: 15.5px; }
    .display { font-size: clamp(2.6rem, 11.5vw, 3.4rem); letter-spacing: -0.05em; }
    .hero { padding-top: 112px; }
    .hero__pill { font-size: 12px; }
    .hero__actions { width: 100%; }
    .hero__actions .btn { flex: 1 1 auto; }
    .float-chip { font-size: 12px; padding-right: 12px; }
    .float-chip--1 { left: -2%; top: 6%; }
    .float-chip--2 { right: -2%; }
    .float-chip--3 { left: -2%; top: 72%; }
    .cta { border-radius: 28px; }
    .cta__actions { width: 100%; }
    .cta__actions .btn { flex: 1 1 40%; }
    .cta__actions .btn--light { flex-basis: 100%; }
    .cta__actions .btn--lg { font-size: 15px; }
    .press__row { grid-template-columns: 1fr; gap: 6px; }
    .footer__bottom { flex-direction: column; }
    .venture__visual { min-height: 240px; }
}

@media (hover: none) {
    [data-spotlight]::before, [data-spotlight]::after { display: none; }
}

@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;
    }
    .js .intro,
    .js .hero__title .word,
    .js .reveal { opacity: 1; filter: none; transform: none; animation: none; }
    .js [data-scrub] .sw { opacity: 1; }
    .marquee__track { animation: none; }
    .visual--tower .v-rig { transform: translateY(170px); }
}