/* =========================================================
   OPUZE AI — bileşenler ve sayfalar
   Değerler tokens.css'ten gelir. Hareketler motion.js (GSAP) ile yapılır.
   ========================================================= */

/* ---------- Temel ---------- */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { background: var(--color-bg); -webkit-text-size-adjust: 100%; }
body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  font-feature-settings: "zero" 1, "ss01" 1;
}
a { color: inherit; text-decoration: none; }
img, video, canvas { display: block; }
::selection { background: var(--color-primary); color: #fff; }
:focus-visible { outline: 1px solid var(--color-accent); outline-offset: 3px; }
h1, h2, h3 { font-weight: var(--weight-black); letter-spacing: var(--tracking-display); line-height: var(--leading-tight); }

.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.wrap { max-width: var(--container); margin: 0 auto; padding: 0 var(--space-gutter); }
.muted { color: var(--color-text-muted); }

/* Hareket hazırlığı: GSAP gelene kadar gizli (yüklenmezse görünür olur) */
html.js [data-reveal], html.js [data-split] { visibility: hidden; }
html.no-gsap [data-reveal], html.no-gsap [data-split] { visibility: visible !important; }

/* Kelime maskesi (bölünmüş başlıklar) */
.sw { display: inline-block; overflow: hidden; vertical-align: top; padding-bottom: .1em; margin-bottom: -.1em; }
.sw > span { display: inline-block; will-change: transform; }

/* ---------- Dil ---------- */
[data-en] { display: none !important; }
html[lang="en"] [data-tr] { display: none !important; }
html[lang="en"] [data-en] { display: revert !important; }

/* ---------- Arka plan katmanları ---------- */
.bg { position: fixed; inset: 0; z-index: var(--z-bg); overflow: hidden; background: var(--color-bg); }
.bg video, .bg canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.bg video { object-fit: cover; }
body[data-bg="inner"] .bg.no-gl video { filter: blur(18px) brightness(.55); transform: scale(1.08); }
.fx-scan { position: fixed; inset: 0; z-index: var(--z-fx); pointer-events: none; opacity: .5; mix-blend-mode: multiply;
  background: repeating-linear-gradient(to bottom, transparent 0 2px, rgba(0,0,0,.22) 2px 3px); }
.fx-vignette { position: fixed; inset: 0; z-index: var(--z-fx); pointer-events: none;
  background: radial-gradient(120% 90% at 50% 40%, transparent 55%, rgba(7,4,13,.85) 100%); }
body[data-bg="inner"] .fx-vignette { background: radial-gradient(120% 90% at 50% 30%, rgba(7,4,13,.15) 30%, rgba(7,4,13,.9) 100%); }
main, footer { position: relative; z-index: var(--z-content); }
#pixel-transition { position: fixed; inset: 0; z-index: var(--z-transition); pointer-events: none; width: 100vw; height: 100vh; }
#magnet-lines { position: fixed; inset: 0; z-index: var(--z-cursor); pointer-events: none; width: 100vw; height: 100vh; }

/* ---------- Logo ---------- */
.logo { position: relative; display: inline-flex; align-items: center; gap: var(--space-3); font-weight: var(--weight-black); font-size: var(--text-base); letter-spacing: var(--tracking-wide); }
.logo small { color: var(--color-text-dim); font-weight: var(--weight-regular); letter-spacing: .04em; }
.logo-mark { position: relative; width: var(--icon-md); height: var(--icon-md); flex: none; display: inline-block; }
.logo-mark svg { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }
.logo-mark .lm-base { fill: url(#opz-grad); }
.logo-mark .lm-c { fill: var(--cyan-300); }
.logo-mark .lm-p { fill: var(--pink-300); }
.logo-mark svg:first-child { filter: drop-shadow(0 0 6px rgba(240,171,252,.55)); animation: lmpulse 3.2s ease-in-out infinite; }
.logo-mark svg:nth-child(2), .logo-mark svg:nth-child(3) { opacity: 0; mix-blend-mode: screen; }
.logo:hover .logo-mark svg:nth-child(2), .logo-mark.on svg:nth-child(2) { opacity: .8; animation: lmg1 .3s steps(2) infinite; }
.logo:hover .logo-mark svg:nth-child(3), .logo-mark.on svg:nth-child(3) { opacity: .8; animation: lmg2 .26s steps(2) infinite; }
.logo:hover .logo-mark svg:first-child { animation: lmspin 1.2s var(--ease-out); }
@keyframes lmpulse { 50% { filter: drop-shadow(0 0 11px rgba(167,139,250,.85)); } }
@keyframes lmspin { to { transform: rotate(360deg); } }
@keyframes lmg1 { 0% { transform: translate(-2px,0); clip-path: inset(0 0 55% 0); } 50% { transform: translate(2px,1px); clip-path: inset(40% 0 10% 0); } 100% { transform: translate(-1px,-1px); clip-path: inset(70% 0 0 0); } }
@keyframes lmg2 { 0% { transform: translate(2px,0); clip-path: inset(50% 0 0 0); } 50% { transform: translate(-2px,-1px); clip-path: inset(0 0 60% 0); } 100% { transform: translate(1px,1px); clip-path: inset(20% 0 45% 0); } }

/* ---------- Üst menü ---------- */
.site-header { position: fixed; top: 0; left: 0; right: 0; z-index: var(--z-header); }
.site-header::before { content: ""; position: absolute; inset: 0; background: linear-gradient(var(--color-overlay-top), transparent); pointer-events: none; }
.site-header .bar { position: relative; display: flex; align-items: center; justify-content: space-between; gap: var(--space-5); height: var(--header-h); max-width: var(--container); margin: 0 auto; padding: 0 var(--space-gutter); }
.nav { display: flex; gap: var(--space-1); }
.nav a { position: relative; font-size: var(--text-xs); text-transform: uppercase; letter-spacing: .14em; color: var(--color-text-muted); padding: var(--space-2) var(--space-3); transition: color var(--dur-base); }
.nav a::before, .nav a::after { color: var(--color-accent); opacity: 0; transition: opacity var(--dur-fast); }
.nav a::before { content: "["; margin-right: 6px; }
.nav a::after { content: "]"; margin-left: 6px; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--color-text); }
.nav a:hover::before, .nav a:hover::after, .nav a[aria-current="page"]::before, .nav a[aria-current="page"]::after { opacity: 1; }
.head-right { display: flex; align-items: center; gap: var(--space-3); }
.lang { display: flex; border: var(--border-strong); background: rgba(7,4,13,.4); backdrop-filter: var(--blur-soft); -webkit-backdrop-filter: var(--blur-soft); }
.lang button { background: none; border: 0; color: var(--color-text-dim); font: var(--weight-semibold) var(--text-2xs) var(--font-mono); letter-spacing: .1em; padding: var(--space-2) var(--space-3); cursor: pointer; }
.lang button.on { background: var(--color-text); color: var(--color-bg); }
.menu-btn { display: none; background: none; border: var(--border-strong); color: var(--color-text); font: var(--weight-semibold) var(--text-2xs) var(--font-mono); letter-spacing: .14em; padding: 9px var(--space-3); cursor: pointer; backdrop-filter: var(--blur-soft); -webkit-backdrop-filter: var(--blur-soft); }
.mobile-menu { position: fixed; inset: 0; z-index: var(--z-menu); background: var(--color-glass-strong); backdrop-filter: blur(22px); -webkit-backdrop-filter: blur(22px); display: flex; flex-direction: column; justify-content: center; gap: var(--space-2); padding: 90px var(--space-gutter) var(--space-8); visibility: hidden; opacity: 0; }
.mobile-menu a { font-size: clamp(32px, 9vw, 56px); font-weight: var(--weight-black); letter-spacing: -.04em; line-height: var(--leading-snug); }
.mobile-menu a .n { font-size: var(--text-xs); color: var(--color-accent); font-weight: var(--weight-regular); letter-spacing: .1em; vertical-align: top; margin-right: var(--space-3); }

/* ---------- Düğme ---------- */
.btn { position: relative; display: inline-flex; align-items: center; gap: var(--space-3); min-height: var(--btn-h); font: var(--weight-semibold) var(--text-xs) var(--font-mono); text-transform: uppercase; letter-spacing: .14em; padding: var(--space-4) 22px; border: var(--border-strong); color: var(--color-text); background: rgba(14,8,25,.35); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); overflow: hidden; isolation: isolate; cursor: pointer; transition: color var(--dur-base), border-color var(--dur-base); }
.btn::before { content: ""; position: absolute; inset: 0; background: var(--gradient-brand); transform: translateY(101%); transition: transform .45s var(--ease-out); z-index: -1; }
.btn:hover { border-color: transparent; color: #12081f; }
.btn:hover::before { transform: none; }
.btn .arr { display: inline-block; transition: transform var(--dur-base) var(--ease-out); }
.btn:hover .arr { transform: translateX(4px); }
.btn.solid { background: var(--color-text); color: var(--color-bg); border-color: var(--color-text); }
.btn-row { display: flex; flex-wrap: wrap; gap: var(--space-3); }

/* ---------- Etiket, rozet, metin ---------- */
.label { display: inline-flex; align-items: center; gap: 10px; font-size: var(--text-2xs); text-transform: uppercase; letter-spacing: .18em; color: var(--color-text-muted); }
.label::before { content: ""; width: 7px; height: 7px; background: var(--color-accent); box-shadow: var(--glow-sm); flex: none; }
.label b { color: var(--color-accent); font-weight: var(--weight-semibold); white-space: nowrap; }
.tag { display: inline-block; font-size: var(--text-2xs); text-transform: uppercase; letter-spacing: .14em; padding: 6px 10px; border: var(--border-strong); color: var(--violet-300); background: var(--color-tint); }
.grad-text { background: var(--gradient-brand); background-size: 200% 100%; -webkit-background-clip: text; background-clip: text; color: transparent; animation: gradmove 8s linear infinite; }
.sw > .grad-text, .grad-text .sw > span { background: var(--gradient-brand); -webkit-background-clip: text; background-clip: text; color: transparent; }
@keyframes gradmove { to { background-position: -200% 0; } }
.h-xl { font-size: var(--text-4xl); }
.h-lg { font-size: var(--text-3xl); }
.h-md { font-size: var(--text-2xl); }
.lead { font-size: var(--text-lg); color: var(--color-text-muted); max-width: 640px; }

/* Glitch başlık */
.glitch { position: relative; display: inline-block; }
.glitch::before, .glitch::after { content: attr(data-text); position: absolute; inset: 0; pointer-events: none; opacity: 0; mix-blend-mode: screen; }
.glitch::before { color: var(--pink-300); transform: translate(-3px, 0); }
.glitch::after { color: var(--cyan-300); transform: translate(3px, 0); }
.glitch.on::before, .glitch:hover::before { opacity: .85; animation: gl1 .35s steps(2) infinite; }
.glitch.on::after, .glitch:hover::after { opacity: .85; animation: gl2 .3s steps(2) infinite; }
@keyframes gl1 { 0% { clip-path: inset(10% 0 70% 0); } 25% { clip-path: inset(60% 0 15% 0); transform: translate(-5px,1px); } 50% { clip-path: inset(30% 0 45% 0); } 75% { clip-path: inset(80% 0 2% 0); transform: translate(4px,-1px); } 100% { clip-path: inset(45% 0 35% 0); } }
@keyframes gl2 { 0% { clip-path: inset(65% 0 10% 0); } 30% { clip-path: inset(5% 0 80% 0); transform: translate(5px,-1px); } 60% { clip-path: inset(40% 0 40% 0); } 100% { clip-path: inset(20% 0 60% 0); transform: translate(-4px,1px); } }

.glass { background: var(--color-glass); border: var(--border); backdrop-filter: var(--blur-glass); -webkit-backdrop-filter: var(--blur-glass); }

/* ---------- Bölüm düzeni ---------- */
section { position: relative; padding: var(--space-section) 0; }
.sec-head { display: grid; grid-template-columns: 1fr 2fr; gap: var(--space-7); margin-bottom: clamp(40px, 6vw, 80px); align-items: end; }
.sec-head h2 { grid-column: 2; }

/* ---------- Ana sayfa: giriş ---------- */
.hero { min-height: 100vh; min-height: 100svh; display: flex; flex-direction: column; justify-content: center; padding: 110px 0 120px; }
.hero-top { display: flex; justify-content: space-between; align-items: center; gap: var(--space-4); flex-wrap: wrap; margin-bottom: 2vh; }
.glass-title { position: relative; width: 100%; touch-action: pan-y; will-change: transform; }
.glass-title canvas { width: 100%; height: 100%; filter: var(--glow-title); }
.hero-bottom { display: grid; grid-template-columns: 1.3fr 1fr; gap: var(--space-7); align-items: end; margin-top: 3vh; }
.hero-bottom .lead { color: var(--color-text); font-size: clamp(16px, 1.6vw, 20px); }
.hero-bottom .btn-row { justify-content: flex-end; }
.hero-meta { position: absolute; left: 0; right: 0; bottom: 26px; display: flex; justify-content: space-between; gap: var(--space-4); font-size: var(--text-2xs); letter-spacing: var(--tracking-label); text-transform: uppercase; color: var(--color-text-dim); }
.hero-meta .scroll { display: flex; align-items: center; gap: 10px; }
.hero-meta .scroll i { width: 40px; height: 1px; background: var(--color-accent); transform-origin: left; display: block; }

/* Manifesto (kaydırınca kelimeler aydınlanır) */
.manifesto p { font-size: clamp(24px, 3.4vw, 50px); font-weight: var(--weight-bold); letter-spacing: -0.035em; line-height: var(--leading-snug); max-width: 1150px; }
.manifesto .wd { opacity: .14; }
.manifesto .wd.hl { background: var(--gradient-brand); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* Sistem satırları */
.sys-list { border-top: var(--border-strong); }
.sys-row { position: relative; display: grid; grid-template-columns: 80px 1.3fr 1fr 1.2fr 40px; gap: var(--space-6); align-items: center; padding: 30px 0; border-bottom: var(--border-strong); overflow: hidden; isolation: isolate; }
.sys-row .fill { position: absolute; inset: 0; z-index: -1; background: var(--gradient-row); transform: scaleY(0); transform-origin: bottom; }
.sys-row .no { font-size: var(--text-xs); color: var(--color-accent); letter-spacing: .12em; }
.sys-row .name { font-size: clamp(26px, 3.6vw, 52px); font-weight: var(--weight-black); letter-spacing: var(--tracking-display); line-height: var(--leading-none); display: inline-block; }
.sys-row .area { font-size: var(--text-2xs); text-transform: uppercase; letter-spacing: var(--tracking-label); color: var(--violet-300); }
.sys-row .sum { color: var(--color-text-muted); font-size: var(--text-sm); }
.sys-row .go { font-size: 22px; display: inline-block; }
.peek { position: fixed; left: 0; top: 0; width: 240px; height: 150px; pointer-events: none; z-index: 40; border: var(--border-strong); background: rgba(7,4,13,.8); visibility: hidden; opacity: 0; }
.peek canvas, .ascii canvas { width: 100%; height: 100%; }
.peek .peek-name { position: absolute; left: 12px; bottom: 10px; font-size: var(--text-2xs); letter-spacing: .14em; text-transform: uppercase; color: var(--color-accent); }

/* İlkeler */
.principles { display: grid; grid-template-columns: repeat(4, 1fr); border-top: var(--border-strong); border-left: var(--border-strong); }
.principle { padding: 30px 26px var(--space-8); border-right: var(--border-strong); border-bottom: var(--border-strong); min-height: 280px; display: flex; flex-direction: column; justify-content: space-between; gap: 30px; transition: background var(--dur-slow); }
.principle:hover { background: var(--color-tint); }
.principle .k { font-size: var(--text-2xs); letter-spacing: var(--tracking-label); color: var(--color-accent); text-transform: uppercase; }
.principle h3 { font-size: clamp(22px, 2vw, 28px); margin: 14px 0 var(--space-3); }
.principle p { color: var(--color-text-muted); font-size: var(--text-sm); }

/* Çağrı + 3D logo */
.cta-3d { display: grid; grid-template-columns: 1.1fr 1fr; align-items: center; gap: var(--space-8); padding: clamp(36px, 5vw, 64px); overflow: hidden; }
.cta-3d h2 { margin: 18px 0 30px; }
.logo3d { position: relative; width: 100%; aspect-ratio: 1 / 1; max-width: 520px; justify-self: center; }
.logo3d canvas { width: 100%; height: 100%; }
.logo3d .hint { position: absolute; left: 0; right: 0; bottom: 6px; text-align: center; font-size: var(--text-2xs); letter-spacing: var(--tracking-label); text-transform: uppercase; color: var(--color-text-dim); pointer-events: none; }

/* ---------- İç sayfalar ---------- */
.page-head { padding: clamp(140px, 18vw, 220px) 0 clamp(50px, 7vw, 90px); }
.page-head .label { margin-bottom: 26px; }
.page-head h1 { margin-bottom: 26px; }
.crumbs { font-size: var(--text-2xs); letter-spacing: .14em; text-transform: uppercase; color: var(--color-text-dim); margin-bottom: 18px; }
.crumbs a:hover { color: var(--color-text); }

/* Sistemler: yatay kayan şerit (masaüstü), alt alta (mobil) */
.sys-pin { position: relative; }
.sys-track-wrap { overflow: hidden; }
.sys-track { display: flex; gap: var(--space-4); padding: 0 var(--space-gutter); width: max-content; will-change: transform; }
.sys-card { position: relative; flex: none; width: min(440px, 78vw); min-height: 520px; display: flex; flex-direction: column; overflow: hidden; transition: border-color var(--dur-slow); }
.sys-card:hover { border-color: rgba(240,171,252,.45); }
.sys-card .ascii { position: relative; height: 240px; border-bottom: var(--border); background: rgba(7,4,13,.5); }
.sys-card .ascii .no { position: absolute; top: 14px; left: var(--space-4); font-size: var(--text-2xs); letter-spacing: .14em; color: var(--color-accent); z-index: 1; }
.sys-card .body { padding: var(--space-6) 22px 26px; display: flex; flex-direction: column; gap: var(--space-3); flex: 1; }
.sys-card h2 { font-size: clamp(26px, 2.6vw, 38px); }
.sys-card p { color: var(--color-text-muted); font-size: var(--text-sm); }
.sys-card .more { margin-top: auto; font-size: var(--text-2xs); letter-spacing: var(--tracking-label); text-transform: uppercase; display: flex; justify-content: space-between; align-items: center; padding-top: 18px; border-top: 1px dashed var(--color-line-strong); }
.sys-card:hover .more { color: var(--color-accent); }
.sys-progress { max-width: var(--container); margin: var(--space-8) auto 0; padding: 0 var(--space-gutter); }
.sys-progress div { height: 1px; background: var(--color-line-strong); position: relative; }
.sys-progress i { position: absolute; inset: 0; background: var(--gradient-brand); transform-origin: left; transform: scaleX(0); display: block; }

/* Ürün sayfası */
.product-hero { display: grid; grid-template-columns: 1.15fr 1fr; gap: var(--space-8); align-items: end; }
.product-hero .ascii { height: clamp(260px, 30vw, 420px); position: relative; }
.product-meta { display: flex; gap: 10px; flex-wrap: wrap; margin: 6px 0 26px; }
.spec { display: grid; grid-template-columns: 220px 1fr; border-top: var(--border-strong); }
.spec > div { padding: 22px 0; border-bottom: var(--border-strong); }
.spec .k { font-size: var(--text-2xs); letter-spacing: var(--tracking-label); text-transform: uppercase; color: var(--color-text-dim); }
.pending { padding: 34px 30px; display: grid; grid-template-columns: auto 1fr; gap: 22px; align-items: start; }
.pending .dot { width: 10px; height: 10px; margin-top: var(--space-2); background: var(--color-accent); box-shadow: var(--glow-sm); }
.pending h3 { font-size: 20px; margin-bottom: var(--space-2); letter-spacing: var(--tracking-tight); }
.pending p { color: var(--color-text-muted); }
.detail-block { padding: 30px 0; border-bottom: var(--border-strong); display: grid; grid-template-columns: 220px 1fr; gap: var(--space-6); }
.pager { display: grid; grid-template-columns: 1fr 1fr; border-top: var(--border-strong); border-bottom: var(--border-strong); }
.pager a { padding: 34px 0; display: flex; flex-direction: column; gap: 6px; transition: background var(--dur-base); }
.pager a:first-child { padding-right: var(--space-6); }
.pager a:last-child { text-align: right; border-left: var(--border-strong); padding-left: var(--space-6); }
.pager a:hover { background: var(--color-tint); }
.pager small { font-size: var(--text-2xs); letter-spacing: var(--tracking-label); text-transform: uppercase; color: var(--color-text-dim); }
.pager b { font-size: clamp(22px, 3vw, 40px); letter-spacing: -0.04em; }

/* Hakkında */
.about-hero { display: grid; grid-template-columns: 1.3fr 1fr; gap: var(--space-8); align-items: center; }
.about-hero .logo3d { max-width: 380px; }
.about-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: clamp(30px, 6vw, 90px); }
.about-grid p + p { margin-top: 18px; }
.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chips .tag { font-size: var(--text-xs); padding: 10px 14px; }
.big-quote { font-size: clamp(26px, 3.6vw, 52px); font-weight: var(--weight-black); letter-spacing: -0.04em; line-height: 1.1; padding: clamp(36px, 5vw, 60px); }

/* İletişim */
.contact-list { border-top: var(--border-strong); }
.contact-item { display: grid; grid-template-columns: 220px 1fr auto; gap: var(--space-6); align-items: center; padding: 30px 0; border-bottom: var(--border-strong); transition: background var(--dur-base); }
.contact-item:hover { background: var(--color-tint); }
.contact-item .k { font-size: var(--text-2xs); letter-spacing: var(--tracking-label); text-transform: uppercase; color: var(--color-text-dim); }
.contact-item .v { font-size: clamp(22px, 3.4vw, 46px); font-weight: var(--weight-black); letter-spacing: -0.04em; word-break: break-word; display: inline-block; }
.contact-item .go { font-size: 22px; }

/* Tasarım sistemi sayfası */
.ds-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: var(--space-3); }
.swatch { border: var(--border); background: var(--color-glass); }
.swatch i { display: block; height: 84px; }
.swatch div { padding: 10px 12px; font-size: var(--text-2xs); letter-spacing: .06em; color: var(--color-text-muted); }
.swatch b { display: block; color: var(--color-text); font-weight: var(--weight-semibold); }
.ds-row { display: grid; grid-template-columns: 220px 1fr; gap: var(--space-6); align-items: baseline; padding: var(--space-5) 0; border-bottom: var(--border); }
.ds-row code { font-size: var(--text-2xs); color: var(--color-text-dim); }
.space-bar { height: 12px; background: var(--gradient-brand); }
.ds-block + .ds-block { margin-top: var(--space-14); }
.ds-block > .label { margin-bottom: var(--space-6); }

/* ---------- Alt bilgi ---------- */
.site-footer { border-top: var(--border); background: linear-gradient(transparent, rgba(7,4,13,.85) 40%); padding: 60px 0 var(--space-8); font-size: 13px; color: var(--color-text-muted); }
.foot-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 30px; }
.foot-grid h4, .foot-grid .foot-h { font-size: var(--text-2xs); letter-spacing: var(--tracking-label); text-transform: uppercase; color: var(--color-text-dim); font-weight: var(--weight-semibold); margin-bottom: 14px; }
.foot-grid a { display: block; padding: 3px 0; }
.foot-grid a:hover { color: var(--color-text); }
.foot-bottom { margin-top: 50px; display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap; font-size: var(--text-2xs); letter-spacing: .14em; text-transform: uppercase; color: var(--color-text-dim); }

/* ---------- Mobil ---------- */
@media (max-width: 980px) {
  .nav { display: none; }
  .menu-btn { display: inline-block; }
  .hero-bottom, .cta-3d, .about-hero { grid-template-columns: 1fr; }
  .hero-bottom .btn-row { justify-content: flex-start; }
  .sec-head { grid-template-columns: 1fr; }
  .sec-head h2 { grid-column: 1; }
  .sys-row { grid-template-columns: 50px 1fr 30px; gap: 14px; }
  .sys-row .area, .sys-row .sum { display: none; }
  .principles { grid-template-columns: 1fr 1fr; }
  .sys-track { flex-direction: column; width: auto; }
  .sys-card { width: auto; min-height: 0; }
  .product-hero, .about-grid { grid-template-columns: 1fr; }
  .spec, .detail-block, .ds-row { grid-template-columns: 1fr; gap: 6px; }
  .spec > div:nth-child(odd) { border-bottom: 0; padding-bottom: 0; }
  .contact-item { grid-template-columns: 1fr auto; }
  .contact-item .k { grid-column: 1 / -1; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .foot-grid > div:first-child { grid-column: 1 / -1; }
  .sys-progress { display: none; }
}
@media (max-width: 560px) {
  .principles { grid-template-columns: 1fr; }
  .principle { min-height: 0; }
  .hero-meta span:nth-child(2) { display: none; }
  .btn { padding: 14px 18px; }
  .logo small { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}
@media (min-width: 981px) {
  .sys-pin { min-height: 100vh; display: flex; flex-direction: column; justify-content: center; padding-bottom: var(--space-8); }
}

/* =========================================================
   Efektli ikonlar
   ========================================================= */
.fx-icon { --s: 56px; position: relative; width: var(--s); height: var(--s); flex: none; display: inline-block; border: var(--border-strong);
  background: radial-gradient(circle at 50% 50%, rgba(139,92,246,.22), rgba(14,8,25,.4) 70%); isolation: isolate; transition: border-color var(--dur-base), box-shadow var(--dur-base); }
.fx-icon.fx-sm { --s: 40px; }
.fx-icon.fx-lg { --s: 72px; }
.fx-icon.fx-xl { --s: 96px; }
.fx-icon svg { position: absolute; inset: 24%; width: 52%; height: 52%; fill: none; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; overflow: visible; }
.fx-icon .fi-main { stroke: url(#opz-icon-grad); filter: drop-shadow(0 0 4px rgba(240,171,252,.55)); }
.fx-icon .fi-c { stroke: var(--cyan-300); opacity: 0; mix-blend-mode: screen; }
.fx-icon .fi-p { stroke: var(--pink-300); opacity: 0; mix-blend-mode: screen; }
.fx-icon::before, .fx-icon::after { content: ""; position: absolute; width: 7px; height: 7px; border-color: var(--color-accent); border-style: solid; border-width: 0; opacity: .8; }
.fx-icon::before { top: -1px; left: -1px; border-top-width: 1px; border-left-width: 1px; }
.fx-icon::after { bottom: -1px; right: -1px; border-bottom-width: 1px; border-right-width: 1px; }
.fx-icon .fi-orbit { position: absolute; inset: -1px; pointer-events: none; animation: fiorbit 6s linear infinite; }
.fx-icon .fi-orbit::before { content: ""; position: absolute; top: -2px; left: 50%; width: 3px; height: 3px; background: var(--pink-300); box-shadow: 0 0 8px var(--pink-300); }
@keyframes fiorbit { 0% { transform: rotate(0); } 100% { transform: rotate(360deg); } }
.fx-icon:hover, .fx-hover:hover .fx-icon, .fx-icon.on { border-color: rgba(240,171,252,.6); box-shadow: 0 0 24px rgba(167,139,250,.35), inset 0 0 18px rgba(139,92,246,.25); }
.fx-icon:hover .fi-c, .fx-hover:hover .fx-icon .fi-c, .fx-icon.on .fi-c { opacity: .9; animation: fig1 .32s steps(2) infinite; }
.fx-icon:hover .fi-p, .fx-hover:hover .fx-icon .fi-p, .fx-icon.on .fi-p { opacity: .9; animation: fig2 .28s steps(2) infinite; }
@keyframes fig1 { 0% { transform: translate(-2px,0); clip-path: inset(0 0 60% 0); } 50% { transform: translate(2px,1px); clip-path: inset(45% 0 5% 0); } 100% { transform: translate(-1px,-1px); clip-path: inset(70% 0 0 0); } }
@keyframes fig2 { 0% { transform: translate(2px,0); clip-path: inset(50% 0 0 0); } 50% { transform: translate(-2px,-1px); clip-path: inset(0 0 55% 0); } 100% { transform: translate(1px,1px); clip-path: inset(25% 0 40% 0); } }

/* Sistem satırında küçük ikon */
.sys-row .nm { display: inline-flex; align-items: center; gap: var(--space-4); }
.sys-row .nm .fx-icon { --s: 44px; }

/* Sistem görselleri: ASCII doku + sisteme özel hareketli görsel */
.viz { position: relative; overflow: hidden; }
.viz canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.viz .ascii-bg { opacity: .28; }
.viz .fx-icon { position: absolute; right: 14px; top: 14px; z-index: 2; --s: 44px; background: rgba(7,4,13,.6); }
.sys-card .viz { height: 260px; border-bottom: var(--border); background: rgba(7,4,13,.5); }
.sys-card .viz .no { position: absolute; top: 14px; left: var(--space-4); font-size: var(--text-2xs); letter-spacing: .14em; color: var(--color-accent); z-index: 2; }
.product-hero .viz { height: clamp(280px, 32vw, 460px); }

/* =========================================================
   Yapay zekâ entegrasyonu sayfası
   ========================================================= */
.int-hero { display: grid; grid-template-columns: 1.25fr 1fr; gap: var(--space-9); align-items: center; }
.int-hero h1 { font-size: clamp(34px, 5vw, 80px); }
.int-hero .sub { font-size: var(--text-xl); font-weight: var(--weight-bold); letter-spacing: -0.02em; margin-bottom: var(--space-5); }
.int-hero .lead + .lead { margin-top: var(--space-4); }
.int-hero .viz { aspect-ratio: 1 / 1; width: 100%; max-width: 520px; justify-self: center; }
.int-hero .btn-row { margin-top: var(--space-7); }
.cta-note { margin-top: var(--space-4); font-size: var(--text-xs); color: var(--color-text-dim); letter-spacing: .04em; }

.benefits { display: grid; grid-template-columns: repeat(5, 1fr); gap: var(--space-3); }
.benefit { padding: 26px 22px 30px; display: flex; flex-direction: column; gap: var(--space-4); min-height: 300px; transition: border-color var(--dur-base), transform var(--dur-slow) var(--ease-out); }
.benefit:hover { border-color: rgba(240,171,252,.4); transform: translateY(-4px); }
.benefit h3 { font-size: 19px; letter-spacing: var(--tracking-tight); line-height: 1.2; margin-top: var(--space-2); }
.benefit p { color: var(--color-text-muted); font-size: var(--text-sm); }
.note { margin-top: var(--space-6); font-size: var(--text-sm); color: var(--color-text-dim); max-width: 760px; border-left: 2px solid var(--violet-600); padding-left: var(--space-4); }

.solutions { border-top: var(--border-strong); }
.solution { display: grid; grid-template-columns: 80px 96px 1fr 1.3fr; gap: var(--space-7); align-items: start; padding: var(--space-8) 0; border-bottom: var(--border-strong); position: relative; }
.solution .no { font-size: var(--text-xs); color: var(--color-accent); letter-spacing: .12em; padding-top: var(--space-2); }
.solution h3 { font-size: clamp(24px, 2.6vw, 38px); }
.solution p { color: var(--color-text-muted); }
.solution::before { content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 1px; background: var(--gradient-brand); transform: scaleX(0); transform-origin: left; transition: transform .8s var(--ease-out); }
.solution:hover::before { transform: scaleX(1); }

/* Entegrasyon şeması */
.int-map { display: grid; grid-template-columns: 1fr 1.2fr; gap: var(--space-9); align-items: center; }
.int-map svg.map { width: 100%; height: auto; overflow: visible; }
.map .ln { stroke: rgba(196,181,253,.28); stroke-width: 1; stroke-dasharray: 3 5; fill: none; }
.map .node rect { fill: rgba(14,8,25,.75); stroke: rgba(236,232,245,.22); }
.map .node text { fill: var(--color-text); font: 600 12px var(--font-mono); letter-spacing: .08em; text-transform: uppercase; }
.map .node .nicon { fill: none; stroke: url(#opz-icon-grad); stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.map .core circle.ring { fill: rgba(14,8,25,.85); stroke: rgba(240,171,252,.55); }
.map .core circle.halo { fill: none; stroke: rgba(167,139,250,.35); }
.map .pulse { fill: var(--pink-300); filter: drop-shadow(0 0 4px #f0abfc); }
.map .core use { fill: url(#opz-grad); }

/* Süreç zaman çizelgesi */
.steps { position: relative; padding-left: 0; }
.steps .rail { position: absolute; left: 35px; top: 0; bottom: 0; width: 1px; background: var(--color-line-strong); }
.steps .rail i { position: absolute; inset: 0; background: var(--gradient-brand); transform-origin: top; transform: scaleY(0); display: block; }
.step { position: relative; display: grid; grid-template-columns: 72px 1fr 1.4fr; gap: var(--space-7); align-items: start; padding: var(--space-8) 0; }
.step .dot { position: relative; z-index: 1; width: 72px; display: grid; place-items: center; }
.step .dot .fx-icon { --s: 72px; background: var(--color-bg); transition: border-color var(--dur-slow), box-shadow var(--dur-slow); }
.step.active .dot .fx-icon { border-color: rgba(240,171,252,.7); box-shadow: 0 0 30px rgba(167,139,250,.4); }
.step .k { font-size: var(--text-2xs); letter-spacing: var(--tracking-label); text-transform: uppercase; color: var(--color-accent); display: block; margin-bottom: var(--space-2); padding-top: var(--space-2); }
.step h3 { font-size: clamp(22px, 2.4vw, 34px); }
.step p { color: var(--color-text-muted); padding-top: var(--space-3); }

/* Güvenlik */
.security { display: grid; grid-template-columns: 1fr 1.3fr; gap: var(--space-9); align-items: start; }
.sec-list { display: grid; gap: var(--space-3); }
.sec-item { display: grid; grid-template-columns: auto 1fr; gap: var(--space-5); align-items: center; padding: var(--space-5) var(--space-6); }
.sec-item p { color: var(--color-text); }

/* Ana sayfa: işletmeler için kısa bölüm */
.biz-teaser { display: grid; grid-template-columns: 1.2fr 1fr; gap: var(--space-9); align-items: center; }
.biz-chips { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-3); }
.biz-chip { display: flex; align-items: center; gap: var(--space-4); padding: var(--space-4); font-size: var(--text-sm); transition: border-color var(--dur-base); }
.biz-chip:hover { border-color: rgba(240,171,252,.4); }
.biz-chip:last-child { grid-column: 1 / -1; }

@media (max-width: 1180px) { .benefits { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 980px) {
  .int-hero, .int-map, .security, .biz-teaser { grid-template-columns: 1fr; }
  .benefits { grid-template-columns: 1fr 1fr; }
  .benefit { min-height: 0; }
  .solution { grid-template-columns: 56px 1fr; gap: var(--space-4) var(--space-5); }
  .solution .fx-icon { grid-row: span 2; }
  .solution .no { display: none; }
  .solution h3, .solution p { grid-column: 2; }
  .step { grid-template-columns: 72px 1fr; gap: var(--space-5); }
  .step p { grid-column: 2; padding-top: 0; }
}
@media (max-width: 560px) {
  .benefits, .biz-chips { grid-template-columns: 1fr; }
}

/* =========================================================
   Sıvı metal düğmeler (.btn.lm — lm-button.js ekler)
   ========================================================= */
.btn.lm { border: 0; border-radius: var(--radius-full); padding: 0 28px; min-height: 50px; background: transparent; backdrop-filter: none; -webkit-backdrop-filter: none; overflow: visible; color: var(--color-text); }
.btn.lm::before { display: none; }
.btn.lm:hover { color: var(--color-text); border-color: transparent; }
.btn.lm .lm-shader, .btn.lm .lm-inner { position: absolute; border-radius: var(--radius-full); transition: transform .8s cubic-bezier(.34, 1.56, .64, 1), box-shadow .15s cubic-bezier(.4, 0, .2, 1); }
.btn.lm .lm-shader { inset: 0; z-index: -2; overflow: hidden;
  box-shadow: 0 0 0 1px rgba(0,0,0,.3), 0 36px 14px rgba(0,0,0,.02), 0 20px 12px rgba(0,0,0,.08), 0 9px 9px rgba(0,0,0,.12), 0 2px 5px rgba(0,0,0,.15); }
/* Kütüphane yüklenene kadar (veya yüklenemezse) dönen renk halkası */
.btn.lm .lm-shader::before { content: ""; position: absolute; inset: -150%; background: conic-gradient(from 0deg, #6d28d9, #c4b5fd, #f5f3ff, #a78bfa, #f0abfc, #4c1d95, #6d28d9); animation: lmring 5s linear infinite; }
.btn.lm .lm-shader.ready::before { opacity: 0; transition: opacity .6s; }
.btn.lm .lm-shader canvas { position: absolute !important; inset: 0 !important; width: 100% !important; height: 100% !important; display: block !important; border-radius: var(--radius-full) !important; }
@keyframes lmring { to { transform: rotate(360deg); } }
.btn.lm .lm-inner { inset: 2px; z-index: -1; background: linear-gradient(180deg, #1f1433 0%, #07040d 100%); }
.btn.lm.solid .lm-inner { background: linear-gradient(180deg, #f5f3ff 0%, #c4b5fd 100%); }
.btn.lm.solid, .btn.lm.solid:hover { color: #12081f; }
.btn.lm .lm-content { position: relative; z-index: 1; display: inline-flex; align-items: center; gap: var(--space-3); text-shadow: 0 1px 2px rgba(0,0,0,.5); white-space: nowrap; pointer-events: none; }
.btn.lm.solid .lm-content { text-shadow: 0 1px 0 rgba(255,255,255,.4); }
.btn.lm:hover .lm-shader { box-shadow: 0 0 0 1px rgba(0,0,0,.4), 0 12px 6px rgba(0,0,0,.05), 0 8px 5px rgba(0,0,0,.1), 0 4px 4px rgba(0,0,0,.15), 0 0 26px rgba(196,181,253,.35); }
.btn.lm.pressed .lm-shader, .btn.lm.pressed .lm-inner { transform: translateY(1px) scale(.98); }
.btn.lm.pressed .lm-inner { box-shadow: inset 0 2px 4px rgba(0,0,0,.4), inset 0 1px 2px rgba(0,0,0,.3); }
.btn.lm.pressed .lm-shader { box-shadow: 0 0 0 1px rgba(0,0,0,.5), 0 1px 2px rgba(0,0,0,.3); }
.lm-ripple { position: absolute; width: 20px; height: 20px; border-radius: 50%; pointer-events: none; z-index: 2;
  background: radial-gradient(circle, rgba(255,255,255,.4) 0%, rgba(255,255,255,0) 70%); animation: lmripple .6s ease-out forwards; }
@keyframes lmripple { 0% { transform: translate(-50%, -50%) scale(0); opacity: .6; } 100% { transform: translate(-50%, -50%) scale(4); opacity: 0; } }

/* =========================================================
   Ana sayfa: cam klasörler
   ========================================================= */
.folders { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-9) var(--space-7); justify-items: center; align-items: end; }
.folders > div { width: 100%; display: flex; justify-content: center; }
.folder-hint { margin-top: var(--space-9); text-align: center; font-size: var(--text-2xs); letter-spacing: .18em; text-transform: uppercase; color: var(--color-text-dim); }
@media (max-width: 1180px) { .folders { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 760px) { .folders { grid-template-columns: 1fr; } }

/* JS yüklenmeden önceki statik menü logosu */
.logo > img { width: var(--icon-md); height: var(--icon-md); }