/* DÜZELTME 1: syntax değeri geçersizdi (' | ' — muhtemelen '<length-percentage>'
   içindeki '<>' işaretleri bir yerde HTML etiketi sanılıp silinmişti). Geçersiz
   @property bloğu tarayıcı tarafından tamamen yok sayılıyor, bu da --mouse-x/-y
   kayıt edilmeden kalmasına ve ilk mousemove'a kadar kart glow gradyanının
   geçersiz olup hiç görünmemesine yol açıyordu. */
@property --mouse-x { syntax: '<length-percentage>'; inherits: true; initial-value: 50%; }
@property --mouse-y { syntax: '<length-percentage>'; inherits: true; initial-value: 50%; }:root {
/* Açık Tema: Tropikal Lagün & Buzlu Cam & Derin Safir Hover */
--bg-surface: oklch(0.98 0.01 220 / 0.7);
--border-color: oklch(1 0 0 / 0.85);
--text-main: oklch(0.18 0.04 240);
--text-muted: oklch(0.38 0.04 240); /* WCAG erişilebilirlik kontrastı güçlendirildi */
--brand-primary: oklch(0.45 0.15 240);
--bioluminescence: oklch(0.45 0.18 250 / 0.85); /* Derin Safir Hover Glow */
--bg-base: oklch(0.85 0.08 210);
--shadow-card: 0 15px 35px oklch(0.15 0.1 240 / 0.15);
--glow-blend: normal;--radius: 20px;
--line-w: 1px;--font-heading: 'Space Grotesk', system-ui, sans-serif;
--font-body: 'Inter', system-ui, sans-serif;
--font-mono: 'JetBrains Mono', monospace;
}:root[data-theme='dark'] {
/* Koyu Tema: Abissal Mariana Çukuru & Fosforlu Cyan */
--bg-surface: oklch(0.18 0.02 245 / 0.4);
--border-color: oklch(0.9 0.02 245 / 0.08);
--text-main: oklch(0.98 0.01 245);
--text-muted: oklch(0.7 0.03 245);
--brand-primary: oklch(0.75 0.18 220);
--bioluminescence: oklch(0.75 0.18 220 / 0.35);
--bg-base: oklch(0.10 0.03 260);
--shadow-card: 0 10px 40px oklch(0 0 0 / 0.6);
--glow-blend: screen;
}
::view-transition-old(root),
::view-transition-new(root) {
animation-duration: 0.6s;
animation-timing-function: cubic-bezier(0.87, 0, 0.13, 1);
}*, *::before, *::after { box-sizing: border-box; }html {
scroll-behavior: smooth;
background-color: var(--bg-base);
color-scheme: light dark;
}body {
margin: 0; background: transparent; color: var(--text-main);
font-family: var(--font-body); line-height: 1.6; min-height: 100svh;
-webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
text-rendering: optimizeLegibility;
}body.no-webgl-fallback { background: var(--bg-base); }
body.static-background #webgl-bg { display: none; }#webgl-bg {
position: fixed; top: 0; left: 0; width: 100vw; height: 100vh;
z-index: -1; pointer-events: none;
}h1, h2, h3, p, ul { margin: 0; padding: 0; }
a, button { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font: inherit; background: none; border: 0; cursor: pointer; text-align: left; }
.container { width: min(1200px, 100% - 2.5rem); margin-inline: auto; }
/* Ekran okuyucuya özel, görsel olarak gizli metin — durum bilgisi paritesi için */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.site-header {
position: fixed; top: 0; left: 0; width: 100%; height: 100svh;
z-index: 100; background: transparent; pointer-events: none;
transition: height 0.6s cubic-bezier(0.16, 1, 0.3, 1), background 0.4s ease, border-color 0.4s ease;
}
.site-header.is-scrolled {
height: 75px; pointer-events: auto;
background: oklch(from var(--bg-surface) l c h / 0.7);
backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px);
border-bottom: var(--line-w) solid var(--border-color);
}.site-header__inner {
width: min(1200px, 100% - 2.5rem); margin-inline: auto; position: relative; height: 100%;
}.logo-wrapper {
position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1); pointer-events: auto;
}
.site-header.is-scrolled .logo-wrapper { left: 0; transform: translate(0, -50%); }.logo {
display: block; font-family: var(--font-heading); font-weight: 800;
font-size: clamp(4rem, 12vw, 8rem); letter-spacing: -0.04em; line-height: 1;
color: var(--text-main);
text-shadow: 0 1px 2px oklch(1 1 1 / 0.15), 0 4px 16px oklch(0 0 0 / 0.25);
transition: font-size 0.6s cubic-bezier(0.16, 1, 0.3, 1), letter-spacing 0.6s ease;
will-change: transform;
}
.logo span {
color: var(--brand-primary);
text-shadow: 0 1px 2px oklch(1 1 1 / 0.3), 0 0 18px var(--bioluminescence);
}.site-header.is-scrolled .logo {
font-size: 1.5rem; letter-spacing: -0.02em;
}.header-actions {
position: absolute; right: 0; top: 50%; transform: translateY(-50%);
display: flex; align-items: center; gap: 2rem;
opacity: 0; visibility: hidden; pointer-events: none;
transition: all 0.4s ease;
}
.site-header.is-scrolled .header-actions { opacity: 1; visibility: visible; pointer-events: auto; }.theme-toggle {
border: var(--line-w) solid var(--border-color); background: var(--bg-surface);
border-radius: 999px; padding: 0.4rem 1rem; font-family: var(--font-mono);
font-size: 0.85rem; display: inline-flex; align-items: center; gap: 0.5rem;
transition: all 0.2s ease; cursor: pointer;
backdrop-filter: blur(12px);
touch-action: manipulation;
}
.theme-toggle:hover { border-color: var(--brand-primary); }.hero-spacer {
height: 100svh; width: 100%; display: flex; align-items: flex-end; justify-content: center; padding-bottom: 4rem;
}
.scroll-indicator {
font-family: var(--font-mono); font-size: 0.85rem; color: var(--text-muted);
display: flex; flex-direction: column; align-items: center; gap: 0.5rem; opacity: 0.7;
animation: bounce 2s infinite ease-in-out;
}
.scroll-indicator::after { content: "↓"; font-size: 1.2rem; }
@keyframes bounce { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(10px); } }
.bento-section { padding-bottom: clamp(3rem, 6vw, 5rem); }
.bento { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 1.25rem; }.card {
grid-column: span 12;
background: var(--bg-surface);
backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px);
border: var(--line-w) solid var(--border-color);
border-radius: var(--radius);
padding: clamp(1.5rem, 3vw, 2.5rem);
display: flex; flex-direction: column; justify-content: space-between; gap: 1.5rem;
position: relative; overflow: hidden;
box-shadow: var(--shadow-card);
transform: translateZ(0);
transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), border-color 0.4s ease, box-shadow 0.4s ease;
touch-action: manipulation;
will-change: transform;
/* DÜZELTME: sayfanın alt kısmındaki kartlar viewport'a girene kadar layout/paint
   maliyetine girmesin diye tarayıcıya render'ı erteleme izni veriliyor.
   Görsel/etkileşim davranışını değiştirmez, sadece ilk boyama maliyetini azaltır. */
content-visibility: auto;
contain-intrinsic-size: 0 320px;
}@media (min-width: 640px) { .card { grid-column: span 6; } .card--wide { grid-column: span 8; } .card--narrow { grid-column: span 4; } }
@media (min-width: 980px) { .card { grid-column: span 4; } .card--wide { grid-column: span 8; } .card--narrow { grid-column: span 4; } }.card::before {
content: '';
position: absolute;
inset: -1px;
background: radial-gradient(600px circle at var(--mouse-x) var(--mouse-y), var(--bioluminescence), transparent 40%);
opacity: 0;
transition: opacity 0.4s ease;
pointer-events: none;
z-index: 0;
mix-blend-mode: var(--glow-blend);
}
@media (hover: hover) and (pointer: fine) {
.card:hover, .card:focus-visible {
border-color: var(--brand-primary);
transform: scale(0.98) translateZ(0);
box-shadow: 0 0 25px var(--bioluminescence), inset 0 0 20px var(--bioluminescence);
}
.card:hover::before { opacity: 1; }
.card:hover .card__desc { opacity: 0; transform: translateY(-15px); }
.card:hover .card__features { opacity: 1; transform: translateY(0); pointer-events: auto; }
.card:hover .card__watermark { opacity: 0.06; transform: translate(-10px, -15px) scale(1.05); }
.card:hover .card__cta { color: var(--text-main); }
}
/* DÜZELTME: dokunmatik cihazlarda hiç tetiklenmeyen mouse-glow katmanı artık
   hiç render edilmiyor — JS zaten bu event'i touch'ta bağlamıyordu, CSS
   tarafında da gereksiz paint/compositing maliyetini kaldırıyoruz. */
@media (hover: none) and (pointer: coarse) {
.card::before { display: none; }
}
.card.is-revealed {
border-color: var(--brand-primary);
transform: scale(0.98) translateZ(0);
}
.card.is-revealed .card__desc { opacity: 0; transform: translateY(-15px); }
.card.is-revealed .card__features { opacity: 1; transform: translateY(0); pointer-events: auto; }
.card.is-revealed .card__cta { color: var(--text-main); }@supports (animation-timeline: view()) {
.card {
animation: emerge linear both;
animation-timeline: view();
animation-range: entry 5% cover 25%;
}
}
@keyframes emerge {
from { opacity: 0.2; transform: translateY(80px) scale(0.95); filter: blur(10px); }
to { opacity: 1; transform: translateY(0) scale(1); filter: blur(0); }
}
.card__header, .card__cta { position: relative; z-index: 2; }
.card__header { display: flex; flex-direction: column; gap: 0.5rem; flex-grow: 1; }.card__title {
font-family: var(--font-mono);
font-size: 1.05rem;
text-transform: uppercase;
color: var(--brand-primary);
font-weight: 700;
letter-spacing: 0.05em;
margin-bottom: 0.5rem;
line-height: 1.2;
}.card__content { position: relative; display: grid; flex-grow: 1; }.card__desc, .card__features {
grid-area: 1 / 1;
transition: opacity 0.4s ease, transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
.card__desc { color: var(--text-muted); font-size: 0.95rem; line-height: 1.6; }.card__features {
opacity: 0; transform: translateY(15px);
display: flex; flex-direction: column; gap: 0.4rem; justify-content: center;
font-family: var(--font-mono); font-size: 0.85rem; color: var(--text-main); pointer-events: none;
}
.card__features li { display: flex; align-items: flex-start; gap: 0.5rem; }
.card__features li::before { content: '→'; color: var(--brand-primary); font-weight: 700; }.card__cta {
font-family: var(--font-mono); font-size: 0.8rem; color: var(--text-muted);
display: inline-flex; align-items: center; gap: 0.5rem; transition: color 0.2s ease;
}.status-wrapper { display: inline-flex; align-items: center; gap: 0.5rem; }
.status-indicator { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.status-indicator.is-active {
background-color: var(--brand-primary); box-shadow: 0 0 12px var(--brand-primary);
animation: pulse-dot 2s infinite;
}
.status-indicator.is-planned { border: 1px solid var(--text-muted); background-color: transparent; }
.status-text { font-size: 0.75rem; color: var(--text-muted); font-family: var(--font-body); }@keyframes pulse-dot {
0% { opacity: 1; transform: scale(1); }
50% { opacity: 0.4; transform: scale(1.2); }
100% { opacity: 1; transform: scale(1); }
}.card__watermark {
position: absolute; right: -5%; bottom: -15%; font-family: var(--font-heading); font-weight: 800; font-size: 9rem;
color: var(--text-main); opacity: 0.03; line-height: 1; pointer-events: none; user-select: none;
transition: transform 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275), opacity 0.4s ease;
z-index: 1;
}
[popover] {
background: var(--bg-surface);
backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px);
border: var(--line-w) solid var(--border-color);
color: var(--text-main); font-family: var(--font-body); font-size: 0.95rem;
padding: 1rem 1.5rem; border-radius: var(--radius);
box-shadow: var(--shadow-card);
margin: auto;
opacity: 0; transform: translateY(20px);
transition: opacity 0.3s ease, transform 0.3s ease, display 0.3s ease allow-discrete;
}
[popover]:popover-open { opacity: 1; transform: translateY(0); }
[popover]::backdrop { background: oklch(0 0 0 / 0.2); backdrop-filter: blur(4px); }.site-footer {
border-top: var(--line-w) solid var(--border-color); padding-block: 2.5rem; font-size: 0.85rem; color: var(--text-muted);
display: flex; flex-wrap: wrap; gap: 1.5rem; justify-content: space-between; align-items: center;
}
.footer-left, .footer-center, .footer-right { flex: 0 1 auto; min-width: 0; }
.footer-center { display: flex; flex-wrap: wrap; gap: 1.5rem; justify-content: center; font-weight: 500; }
.footer-center a { transition: color 0.2s ease; }
.footer-center a:hover { color: var(--brand-primary); }
.footer-right a { font-family: var(--font-mono); color: var(--text-muted); transition: color 0.2s ease; }
.footer-right a:hover { color: var(--text-main); }@media (max-width: 768px) {
.site-footer { flex-direction: column; text-align: center; gap: 2rem; }
.footer-center { flex-wrap: wrap; justify-content: center; }
}
/* DÜZELTME: mobil GPU'larda backdrop-filter blur ve büyük box-shadow en pahalı
   compositing işlemleridir. Görsel dili koruyarak yoğunluk düşürüldü — masaüstünde
   hiçbir değişiklik yok, sadece 768px altında devreye giriyor. */
@media (max-width: 768px) {
:root {
--shadow-card: 0 8px 20px oklch(0.15 0.1 240 / 0.15);
}
:root[data-theme='dark'] {
--shadow-card: 0 6px 20px oklch(0 0 0 / 0.5);
}
.site-header.is-scrolled,
.card,
[popover] {
backdrop-filter: blur(12px);
-webkit-backdrop-filter: blur(12px);
}
}
@media (prefers-reduced-motion: reduce) {
*, ::before, ::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}