/* ============================================================
   Leona AI — / (anasayfa / tanıtım) · Başyapıt arayüz
   Editöryel liquid-glass · saf monokrom carbon.
   tokens.css üzerine kurar: .glass-1/2/3, refraction, motion.
   Display: Fraunces · Gövde: Inter · Teknik: JetBrains Mono.
   ============================================================ */

.oz-body {
    --font-display: 'Fraunces', Georgia, 'Times New Roman', serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', ui-monospace, 'SFMono-Regular', Menlo, monospace;

    --oz-hair: rgba(255, 255, 255, 0.08);
    --oz-hair-soft: rgba(255, 255, 255, 0.05);

    margin: 0;
    min-height: 100%;
    font-family: var(--font-body);
    color: var(--text-1);
    background:
        radial-gradient(1200px 760px at 78% -12%, rgba(255, 255, 255, 0.06), transparent 60%),
        radial-gradient(960px 640px at -12% 108%, rgba(255, 255, 255, 0.04), transparent 55%),
        var(--ink-5);
    background-attachment: fixed;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    letter-spacing: -0.011em;
    overflow-x: hidden;
}
.oz-body * { box-sizing: border-box; }

/* Grain dokusu (index.html paritesi) */
.oz-body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 1;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='240' height='240'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1  0 0 0 0 1  0 0 0 0 1  0 0 0 0.035 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
    mix-blend-mode: overlay;
    opacity: 0.9;
}

/* Custom scrollbar (site paritesi) */
.oz-body { scrollbar-width: thin; scrollbar-color: rgba(255,255,255,0.12) transparent; }
.oz-body ::-webkit-scrollbar { width: 9px; height: 9px; }
.oz-body ::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.08); border-radius: 99px; border: 2px solid transparent; background-clip: padding-box; }
.oz-body ::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.2); background-clip: padding-box; }

a { color: inherit; }

.oz-skip {
    position: fixed; top: -60px; left: 16px; z-index: 100;
    padding: 10px 16px; border-radius: var(--radius-pill);
    background: var(--ink-100); color: var(--ink-5); font-weight: 600; font-size: 13px;
    text-decoration: none; transition: top var(--motion-base) var(--ease-spring);
}
.oz-skip:focus { top: 16px; }

/* ---------- Atmosferik sahne ---------- */
.oz-stage { position: fixed; inset: 0; z-index: 0; overflow: hidden; pointer-events: none; }
.oz-orb { position: absolute; border-radius: 50%; filter: blur(90px); will-change: transform; }
.oz-orb-1 { width: 620px; height: 620px; top: -14%; left: -8%;
    background: radial-gradient(circle, rgba(255,255,255,0.10) 0%, transparent 70%); opacity: 0.6; }
.oz-orb-2 { width: 520px; height: 520px; top: 36%; right: -10%;
    background: radial-gradient(circle, rgba(255,255,255,0.07) 0%, transparent 70%); opacity: 0.5; }
.oz-orb-3 { width: 460px; height: 460px; bottom: -12%; left: 24%;
    background: radial-gradient(circle, rgba(255,255,255,0.05) 0%, transparent 70%); opacity: 0.5; }
.oz-grid-lines {
    position: absolute; inset: 0;
    background-image:
        linear-gradient(90deg, var(--oz-hair-soft) 1px, transparent 1px);
    background-size: 25vw 100%;
    mask-image: linear-gradient(180deg, transparent, #000 20%, #000 80%, transparent);
    -webkit-mask-image: linear-gradient(180deg, transparent, #000 20%, #000 80%, transparent);
    opacity: 0.5;
}

/* ---------- Reveal (progressive enhancement) ---------- */
.reveal-ready .reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s var(--ease-smooth), transform 0.8s var(--ease-spring);
    transition-delay: var(--rd, 0ms);
    will-change: opacity, transform;
}
.reveal-ready .reveal.is-visible { opacity: 1; transform: none; }

/* ---------- Layout ---------- */
main, .oz-nav, .oz-footer { position: relative; z-index: 2; }
section[id], #oz-main { scroll-margin-top: 84px; }
.oz-hero, .oz-marquee, .oz-chapter, .oz-faq, .oz-cta {
    max-width: 1180px;
    margin: 0 auto;
    padding-left: 24px;
    padding-right: 24px;
}

/* ---------- NAV ---------- */
.oz-nav {
    position: sticky; top: 0; z-index: 40;
    padding: 12px 24px;
    border-radius: 0;
    border-left: 0; border-right: 0; border-top: 0;
}
.oz-nav-inner {
    position: relative; z-index: 2;
    max-width: 1180px; margin: 0 auto;
    display: flex; align-items: center; gap: 18px;
}
.oz-brand { display: inline-flex; align-items: center; gap: 11px; text-decoration: none; color: var(--text-1); }
.oz-brand img { width: 28px; height: 28px; border-radius: 8px; object-fit: contain; }
.oz-brand-text { display: flex; flex-direction: column; line-height: 1.05; font-weight: 600; letter-spacing: -0.01em; font-size: 16px; }
.oz-brand-text small {
    font-family: var(--font-mono); font-size: 9.5px; font-weight: 500;
    letter-spacing: 0.22em; color: var(--text-3); margin-top: 3px;
}
.oz-nav-links { display: flex; align-items: center; gap: 26px; margin-left: auto; }
.oz-nav-links a {
    font-family: var(--font-mono); font-size: 11.5px; font-weight: 500;
    letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-2);
    text-decoration: none; position: relative; padding: 4px 0;
    transition: color var(--motion-fast) var(--ease-smooth);
}
.oz-nav-links a::after {
    content: ""; position: absolute; left: 0; bottom: -2px; width: 0; height: 1px;
    background: var(--ink-100); transition: width var(--motion-base) var(--ease-spring);
}
.oz-nav-links a:hover { color: var(--text-1); }
.oz-nav-links a:hover::after { width: 100%; }
.oz-nav .oz-btn-primary { margin-left: 0; }
.oz-nav-links + .oz-btn-primary { margin-left: 0; }

/* ---------- Buttons ---------- */
.oz-btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 11px 20px; border-radius: var(--radius-pill);
    font-family: var(--font-body); font-size: 14px; font-weight: 600;
    letter-spacing: -0.01em; text-decoration: none; cursor: pointer;
    border: 1px solid transparent; white-space: nowrap;
}
.oz-btn svg { width: 16px; height: 16px; }
.oz-btn-lg { padding: 14px 26px; font-size: 15px; }
/* Birincil CTA — panel'deki .btn-new-chat ile aynı entegre cam buton (beyaz dolgu DEĞİL) */
.oz-btn-primary {
    color: #fff;
    background:
        linear-gradient(135deg, rgba(255,255,255,0.22), rgba(255,255,255,0) 55%),
        rgba(255,255,255,0.08);
    border-color: rgba(255,255,255,0.16);
    backdrop-filter: blur(14px) saturate(140%);
    -webkit-backdrop-filter: blur(14px) saturate(140%);
    box-shadow:
        inset 0 1px 0 rgba(255,255,255,0.30),
        inset 0 -1px 0 rgba(0,0,0,0.18),
        0 2px 6px rgba(0,0,0,0.25),
        0 8px 24px rgba(0,0,0,0.20);
}
.oz-btn-primary:hover {
    background:
        linear-gradient(135deg, rgba(255,255,255,0.26), rgba(255,255,255,0) 55%),
        rgba(255,255,255,0.14);
    border-color: rgba(255,255,255,0.26);
}
.oz-btn-primary:active { filter: brightness(0.92); }
.oz-btn-ghost { background: rgba(255,255,255,0.04); color: var(--text-1); border-color: var(--stroke-subtle); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); }
.oz-btn-ghost:hover { border-color: var(--stroke-strong); background: rgba(255,255,255,0.07); }
.oz-nav-links { margin-left: auto; }
.oz-nav-inner > .oz-btn-primary { margin-left: 26px; }

/* ---------- HERO ---------- */
.oz-hero {
    display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items: center;
    padding-top: clamp(56px, 9vw, 110px); padding-bottom: clamp(40px, 6vw, 80px);
}
.oz-eyebrow {
    display: inline-flex; align-items: center; gap: 8px;
    font-family: var(--font-mono); font-size: 11.5px; font-weight: 500;
    letter-spacing: 0.16em; text-transform: uppercase; color: var(--text-3);
    margin-bottom: 22px;
}
.oz-eyebrow i { color: var(--ink-85); font-style: normal; }
.oz-h1 {
    font-family: var(--font-display); font-optical-sizing: auto;
    font-weight: 500; font-size: clamp(38px, 6.4vw, 76px); line-height: 1.02;
    letter-spacing: -0.025em; color: var(--ink-92); margin: 0 0 24px; text-wrap: balance;
}
.oz-h1 em { font-style: italic; font-weight: 400; color: var(--ink-100); }
.oz-lede {
    max-width: 520px; font-size: clamp(15px, 1.5vw, 18px); line-height: 1.62;
    color: var(--text-2); margin-bottom: 32px;
}
.oz-hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }
.oz-stat-row {
    display: flex; gap: 30px; margin: 40px 0 0; padding-top: 26px;
    border-top: 1px solid var(--oz-hair); flex-wrap: wrap;
}
.oz-stat-row div { display: flex; flex-direction: column; gap: 5px; }
.oz-stat-row dt { font-family: var(--font-display); font-size: 22px; font-weight: 600; color: var(--ink-100); letter-spacing: -0.02em; }
.oz-stat-row dd { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.05em; color: var(--text-3); margin: 0; }

/* Hero mockup */
.oz-hero-mock { perspective: 1400px; }
.oz-mock {
    border-radius: var(--radius-lg);
    padding: 0; overflow: hidden;
    transform: rotateY(var(--tx, -7deg)) rotateX(var(--ty, 3deg));
    transition: transform 0.4s var(--ease-smooth);
    transform-style: preserve-3d;
}
.oz-mock > * { position: relative; z-index: 2; }
.oz-mock-head {
    display: flex; align-items: center; gap: 12px;
    padding: 14px 16px; border-bottom: 1px solid var(--oz-hair);
}
.oz-mock-dots { display: inline-flex; gap: 6px; }
.oz-mock-dots i { width: 9px; height: 9px; border-radius: 50%; background: rgba(255,255,255,0.14); }
.oz-model-chip {
    display: inline-flex; align-items: center; gap: 7px; margin-left: 4px;
    padding: 5px 10px 5px 6px; border-radius: var(--radius-pill);
    background: rgba(255,255,255,0.05); border: 1px solid var(--oz-hair);
    font-size: 12.5px; font-weight: 600; color: var(--text-1);
}
.oz-model-chip img { width: 16px; height: 16px; border-radius: 5px; object-fit: contain; }
.oz-model-chip svg { width: 13px; height: 13px; color: var(--text-3); }
.oz-mock-enc {
    margin-left: auto; display: inline-flex; align-items: center; gap: 5px;
    font-family: var(--font-mono); font-size: 10px; font-weight: 500; letter-spacing: 0.08em;
    color: var(--text-2);
}
.oz-mock-enc svg { width: 13px; height: 13px; }
.oz-mock-body { padding: 22px 18px; display: flex; flex-direction: column; gap: 16px; }
.oz-msg { max-width: 84%; }
.oz-msg p { margin: 0; font-size: 13.5px; line-height: 1.55; }
.oz-msg-ai { align-self: flex-start; }
.oz-msg-ai .oz-msg-tag {
    display: block; font-family: var(--font-mono); font-size: 9.5px; letter-spacing: 0.14em;
    text-transform: uppercase; color: var(--text-3); margin-bottom: 7px;
}
.oz-msg-ai p {
    background: rgba(255,255,255,0.04); border: 1px solid var(--oz-hair);
    border-left: 2px solid rgba(255,255,255,0.45);
    padding: 12px 14px; border-radius: 4px 16px 16px 16px; color: var(--text-1);
}
.oz-msg-me { align-self: flex-end; text-align: right; }
.oz-msg-me p {
    background: rgba(255,255,255,0.92); color: #16161b; font-weight: 500;
    padding: 12px 14px; border-radius: 16px 16px 4px 16px; text-align: left;
    box-shadow: 0 6px 20px rgba(0,0,0,0.25);
}
.oz-msg-lock {
    display: inline-flex; align-items: center; gap: 5px; margin-top: 7px;
    font-family: var(--font-mono); font-size: 9.5px; letter-spacing: 0.06em; color: var(--text-3);
}
.oz-msg-lock svg { width: 11px; height: 11px; }
.oz-mock-composer {
    display: flex; align-items: center; gap: 10px; margin: 0 16px 16px;
    padding: 11px 12px 11px 16px; border-radius: var(--radius-pill);
    background: rgba(255,255,255,0.04); border: 1px solid var(--oz-hair);
}
.oz-mock-input { flex: 1; font-size: 13px; color: var(--text-3); }
.oz-mock-send {
    width: 32px; height: 32px; border-radius: 50%; display: grid; place-items: center;
    background: var(--ink-100); color: var(--ink-5);
}
.oz-mock-send svg { width: 15px; height: 15px; }

/* ---------- MODEL ŞERİDİ ---------- */
.oz-marquee {
    display: flex; align-items: center; gap: 34px; flex-wrap: wrap;
    padding-top: 18px; padding-bottom: 18px; margin-top: 8px; margin-bottom: 8px;
    border-top: 1px solid var(--oz-hair); border-bottom: 1px solid var(--oz-hair);
}
.oz-marquee-label { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-3); white-space: nowrap; }
.oz-logos { list-style: none; margin: 0; padding: 0; display: flex; align-items: center; gap: 38px; flex-wrap: wrap; }
.oz-logos img {
    height: 24px; width: auto; object-fit: contain;
    filter: grayscale(1) brightness(0) invert(1); opacity: 0.45;
    transition: opacity var(--motion-base) var(--ease-smooth);
}
.oz-logos li:hover img { opacity: 0.9; }

/* ---------- CHAPTERS ---------- */
.oz-chapter {
    display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center;
    padding-top: clamp(64px, 9vw, 130px); padding-bottom: clamp(20px, 3vw, 40px);
}
.oz-chapter-rev .oz-chapter-copy { order: 2; }
.oz-chapter-rev .oz-chapter-art { order: 1; }
.oz-index {
    display: block; font-family: var(--font-mono); font-size: 13px; font-weight: 600;
    letter-spacing: 0.2em; color: var(--text-3); margin-bottom: 18px;
}
.oz-index::before { content: ""; display: inline-block; width: 28px; height: 1px; background: var(--stroke-strong); vertical-align: middle; margin-right: 12px; }
.oz-h2 {
    font-family: var(--font-display); font-optical-sizing: auto; font-weight: 500;
    font-size: clamp(28px, 3.8vw, 46px); line-height: 1.08; letter-spacing: -0.022em;
    color: var(--ink-92); margin: 0 0 18px; text-wrap: balance;
}
.oz-h2 em { font-style: italic; font-weight: 400; color: var(--ink-100); }
.oz-chapter-copy p { font-size: 16px; line-height: 1.64; color: var(--text-2); max-width: 460px; margin: 0 0 24px; }
.oz-specs { list-style: none; margin: 0; padding: 0; display: grid; gap: 0; max-width: 460px; }
.oz-specs li {
    font-family: var(--font-mono); font-size: 12.5px; letter-spacing: 0.02em; color: var(--text-1);
    padding: 13px 0; border-top: 1px solid var(--oz-hair); display: flex; align-items: center; gap: 12px;
}
.oz-specs li:last-child { border-bottom: 1px solid var(--oz-hair); }
.oz-specs li::before { content: "+"; color: var(--text-3); font-weight: 600; }

.oz-chapter-art { display: flex; justify-content: center; }
.oz-chapter-art > * { width: 100%; max-width: 440px; }

/* Mockup: model switcher */
.oz-mock-switcher { border-radius: var(--radius-md); padding: 18px; }
.oz-mock-switcher > * { position: relative; z-index: 2; }
.oz-switcher-label { display: block; font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-3); margin-bottom: 14px; }
.oz-mock-switcher ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.oz-mock-switcher li {
    display: flex; align-items: center; gap: 12px; padding: 12px 14px; border-radius: var(--radius-sm);
    font-size: 14px; font-weight: 500; color: var(--text-2);
    border: 1px solid transparent; transition: all var(--motion-fast) var(--ease-smooth);
}
.oz-mock-switcher li img { width: 20px; height: 20px; border-radius: 6px; object-fit: contain; filter: grayscale(1) brightness(0) invert(1); opacity: 0.55; }
.oz-mock-switcher li svg { width: 16px; height: 16px; margin-left: auto; color: var(--ink-100); }
.oz-mock-switcher li.is-active {
    background: rgba(255,255,255,0.06); border-color: var(--oz-hair); color: var(--text-1);
}
.oz-mock-switcher li.is-active img { opacity: 0.95; }

/* Mockup: E2EE card */
.oz-mock-enc-card { border-radius: var(--radius-md); padding: 32px 26px; text-align: center; }
.oz-mock-enc-card > * { position: relative; z-index: 2; }
.oz-enc-shield { width: 64px; height: 64px; margin: 0 auto 18px; display: grid; place-items: center;
    border-radius: 50%; background: rgba(255,255,255,0.05); border: 1px solid var(--oz-hair); color: var(--ink-100); }
.oz-enc-shield svg { width: 30px; height: 30px; }
.oz-enc-shield .oz-enc-logo { width: 46px; height: 46px; object-fit: contain; display: block; }
.oz-enc-title { font-size: 16px; font-weight: 600; color: var(--text-1); margin: 0 0 24px; }
.oz-enc-sub { font-family: var(--font-mono); font-size: 9.5px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--text-3); margin: 0 0 10px; }
.oz-fingerprint {
    display: block; font-family: var(--font-mono); font-size: 13px; letter-spacing: 0.04em;
    color: var(--ink-92); background: rgba(0,0,0,0.3); border: 1px solid var(--oz-hair);
    border-radius: var(--radius-sm); padding: 12px; margin: 0 0 18px; word-spacing: 2px;
}
.oz-enc-meta { display: flex; justify-content: center; gap: 8px; flex-wrap: wrap; }
.oz-enc-meta span {
    font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.05em; color: var(--text-2);
    padding: 5px 10px; border-radius: var(--radius-pill); background: rgba(255,255,255,0.04); border: 1px solid var(--oz-hair);
}

/* Mockup: call grid */
.oz-mock-call { border-radius: var(--radius-md); padding: 16px; }
.oz-mock-call > * { position: relative; z-index: 2; }
.oz-call-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.oz-call-tile {
    aspect-ratio: 4 / 3; border-radius: var(--radius-sm); display: grid; place-items: center;
    background: rgba(255,255,255,0.04); border: 1px solid var(--oz-hair);
    font-family: var(--font-display); font-size: 26px; font-weight: 600; color: var(--text-2);
}
.oz-call-tile.is-speaking { border-color: rgba(255,255,255,0.5); box-shadow: 0 0 0 1px rgba(255,255,255,0.3), 0 0 24px rgba(255,255,255,0.08); color: var(--ink-100); }
.oz-call-board { color: var(--text-2); }
.oz-call-board svg { width: 64%; height: auto; opacity: 0.7; }
.oz-call-bar { display: flex; align-items: center; gap: 10px; margin-top: 12px; padding: 0 4px; }
.oz-call-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ink-92); box-shadow: 0 0 10px rgba(255,255,255,0.5); }
.oz-call-time { font-family: var(--font-mono); font-size: 12px; color: var(--text-1); }
.oz-call-pills { margin-left: auto; display: inline-flex; align-items: flex-end; gap: 3px; height: 14px; }
.oz-call-pills i { width: 3px; border-radius: 2px; background: var(--ink-85); }
.oz-call-pills i:nth-child(1) { height: 6px; }
.oz-call-pills i:nth-child(2) { height: 10px; }
.oz-call-pills i:nth-child(3) { height: 14px; }

/* ---------- CHAPTER 04 — BENTO ---------- */
.oz-chapter-full { grid-template-columns: 1fr; gap: 44px; }
.oz-chapter-copy-center { text-align: center; max-width: 640px; margin: 0 auto; }
.oz-chapter-copy-center .oz-index::before { display: none; }
.oz-chapter-copy-center p { margin-left: auto; margin-right: auto; }
.oz-bento {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-areas:
        "twofa twofa lang pwa"
        "twofa twofa priv push";
    gap: 16px;
}
.oz-tile {
    border-radius: var(--radius-md); padding: 22px;
    display: flex; flex-direction: column; justify-content: space-between; gap: 14px;
    min-height: 172px;
    transition: transform var(--motion-base) var(--ease-spring), filter var(--motion-base) var(--ease-spring);
}
.oz-tile:hover { transform: translateY(-3px); filter: brightness(1.06); }
.oz-tile > * { position: relative; z-index: 2; }
.oz-tile-2fa  { grid-area: twofa; padding: 26px; }
.oz-tile-lang { grid-area: lang; }
.oz-tile-pwa  { grid-area: pwa; }
.oz-tile-priv { grid-area: priv; }
.oz-tile-push { grid-area: push; }

.oz-tile-label { font-size: 15px; font-weight: 600; color: var(--text-1); letter-spacing: -0.01em; }
.oz-tile-label-lg { font-size: 19px; }
.oz-tile-sub { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.03em; line-height: 1.55; color: var(--text-3); }
.oz-tile-ic { width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; background: rgba(255,255,255,0.05); border: 1px solid var(--oz-hair); color: var(--ink-100); flex: none; }
.oz-tile-ic svg { width: 20px; height: 20px; }
/* ikon tile'larında metni alta sabitle (ikon üstte) */
.oz-tile-pwa .oz-tile-label, .oz-tile-priv .oz-tile-label, .oz-tile-push .oz-tile-label { margin-top: auto; }

/* 2FA anchor iç düzeni */
.oz-tile-top { display: flex; align-items: center; justify-content: space-between; }
.oz-tile-badge {
    font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.14em; color: var(--text-2);
    padding: 5px 11px; border-radius: var(--radius-pill);
    background: rgba(255,255,255,0.05); border: 1px solid var(--oz-hair);
}
.oz-tile-mid { display: flex; flex-direction: column; gap: 14px; }
.oz-otp { display: flex; gap: 8px; }
.oz-otp i {
    flex: 1; aspect-ratio: 4 / 5; max-width: 46px; display: grid; place-items: center;
    border-radius: var(--radius-xs); background: rgba(0,0,0,0.32); border: 1px solid var(--oz-hair);
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.06);
    font-family: var(--font-mono); font-size: 20px; font-style: normal; font-weight: 600; color: var(--ink-92);
}
.oz-otp-bar { height: 3px; border-radius: 2px; background: rgba(255,255,255,0.08); overflow: hidden; }
.oz-otp-bar span { display: block; height: 100%; width: 62%; border-radius: 2px;
    background: linear-gradient(90deg, rgba(255,255,255,0.45), rgba(255,255,255,0.85)); }

.oz-lang-toggle {
    position: relative;
    align-self: flex-start;
    display: inline-flex;
    padding: 4px;
    border-radius: var(--radius-pill);
    background: rgba(0, 0, 0, 0.28);
    border: 1px solid rgba(255, 255, 255, 0.06);
    box-shadow:
        inset 0 1px 2px rgba(0, 0, 0, 0.4),
        inset 0 -1px 0 rgba(255, 255, 255, 0.04);
}
.oz-lang-ind {
    position: absolute;
    top: 4px;
    bottom: 4px;
    left: 4px;
    width: calc(50% - 4px);
    border-radius: var(--radius-pill);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.18), rgba(255, 255, 255, 0.08));
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.18);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.3),
        inset 0 -1px 0 rgba(0, 0, 0, 0.15),
        0 4px 12px rgba(0, 0, 0, 0.25);
    transition: transform 0.5s var(--ease-spring);
}
.oz-lang-toggle[data-lang="en"] .oz-lang-ind { transform: translateX(100%); }
.oz-lang-opt {
    position: relative;
    z-index: 1;
    flex: 1 1 auto;
    appearance: none;
    -webkit-appearance: none;
    background: none;
    border: 0;
    cursor: pointer;
    text-align: center;
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 600;
    padding: 6px 15px;
    border-radius: var(--radius-pill);
    color: var(--text-3);
    transition: color 0.4s var(--ease-spring);
}
.oz-lang-opt.is-on { color: var(--text-1); }
.oz-lang-opt:hover:not(.is-on) { color: rgba(255, 255, 255, 0.82); }
.oz-lang-opt:focus-visible { outline: 2px solid var(--stroke-focus); outline-offset: 2px; }

/* ---------- SSS ---------- */
.oz-faq {
    display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 56px; align-items: start;
    padding-top: clamp(72px, 10vw, 140px); padding-bottom: clamp(20px, 3vw, 40px);
}
.oz-faq-head { position: sticky; top: 100px; }
.oz-faq-head p { color: var(--text-2); font-size: 15px; margin-top: 14px; }
.oz-faq-list { display: flex; flex-direction: column; gap: 12px; }
.oz-faq-more { grid-column: 1 / -1; text-align: center; margin-top: clamp(20px, 3vw, 34px); }
.oz-faq-list details {
    border-radius: var(--radius-md); padding: 2px 6px; overflow: hidden;
}
.oz-faq-list summary {
    list-style: none; cursor: pointer; display: flex; align-items: center; gap: 16px;
    padding: 20px 14px; font-size: 16px; font-weight: 600; color: var(--text-1);
    transition: color var(--motion-fast) var(--ease-smooth);
}
.oz-faq-list summary::-webkit-details-marker { display: none; }
.oz-faq-mark { position: relative; margin-left: auto; flex: none; width: 16px; height: 16px; }
.oz-faq-mark::before, .oz-faq-mark::after {
    content: ""; position: absolute; background: var(--text-2); border-radius: 2px;
    transition: transform var(--motion-base) var(--ease-spring), opacity var(--motion-base) var(--ease-spring);
}
.oz-faq-mark::before { top: 7.5px; left: 0; width: 16px; height: 1.5px; }
.oz-faq-mark::after { left: 7.5px; top: 0; width: 1.5px; height: 16px; }
.oz-faq-list details[open] .oz-faq-mark::after { transform: scaleY(0); opacity: 0; }
.oz-faq-list details[open] summary { color: var(--ink-100); }
.oz-faq-list details p {
    margin: 0; padding: 0 14px 22px; font-size: 14.5px; line-height: 1.62; color: var(--text-2);
    max-width: 60ch;
}

/* ---------- FINAL CTA ---------- */
.oz-cta { padding-top: clamp(72px, 10vw, 130px); padding-bottom: clamp(60px, 8vw, 110px); }
.oz-cta-panel {
    border-radius: var(--radius-lg); padding: clamp(40px, 6vw, 76px) 28px; text-align: center;
    overflow: hidden;
}
.oz-cta-panel > * { position: relative; z-index: 2; }
.oz-cta-panel .oz-eyebrow { justify-content: center; }
.oz-cta-panel .oz-h2 { margin-bottom: 14px; }
.oz-cta-panel > p { color: var(--text-2); font-size: 16px; margin: 0 auto 30px; max-width: 460px; }
.oz-cta-panel .oz-hero-cta { justify-content: center; }

/* ---------- FOOTER ---------- */
.oz-footer { border-top: 1px solid var(--oz-hair); margin-top: clamp(48px, 8vw, 96px); }
.oz-footer-grid {
    max-width: 1180px; margin: 0 auto; padding: clamp(44px, 6vw, 72px) 24px clamp(32px, 4vw, 48px);
    display: grid; gap: 40px 56px;
    grid-template-columns: 1.6fr 1fr 1fr 1fr;
    align-items: start;
}

/* Marka sütunu */
.oz-footer-brand { max-width: 340px; }
.oz-footer-brand .oz-brand { margin-bottom: 16px; }
.oz-footer-tagline {
    color: var(--text-2); font-size: 14px; line-height: 1.65; margin: 0 0 20px;
    letter-spacing: -0.005em;
}
.oz-footer-contact { display: flex; flex-direction: column; gap: 11px; }
.oz-footer-contact-link {
    display: inline-flex; align-items: center; gap: 9px;
    color: var(--text-2); text-decoration: none; font-size: 13.5px;
    width: fit-content; transition: color var(--motion-fast) var(--ease-smooth);
}
.oz-footer-contact-link svg {
    width: 16px; height: 16px; flex-shrink: 0; opacity: 0.7;
    transition: opacity var(--motion-fast) var(--ease-smooth);
}
.oz-footer-contact-link:hover { color: var(--text-1); }
.oz-footer-contact-link:hover svg { opacity: 1; }

/* Bağlantı sütunları */
.oz-footer-col { display: flex; flex-direction: column; gap: 13px; }
.oz-footer-col-title {
    margin: 0 0 4px; font-family: var(--font-mono); font-size: 11px;
    letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-3); font-weight: 600;
}
.oz-footer-col a {
    color: var(--text-2); text-decoration: none; font-size: 14px; width: fit-content;
    letter-spacing: -0.005em; transition: color var(--motion-fast) var(--ease-smooth);
}
.oz-footer-col a:hover { color: var(--text-1); }

/* Alt şerit */
.oz-footer-bottom {
    max-width: 1180px; margin: 0 auto; padding: 20px 24px 30px;
    border-top: 1px solid var(--oz-hair);
    display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap;
}
.oz-footer-copy { font-family: var(--font-mono); font-size: 11.5px; color: var(--text-3); letter-spacing: 0.02em; }
.oz-footer-domain { font-family: var(--font-mono); font-size: 11.5px; color: var(--text-3); letter-spacing: 0.04em; text-transform: lowercase; }

@media (max-width: 860px) {
    .oz-footer-grid { grid-template-columns: 1fr 1fr; gap: 36px 32px; }
    .oz-footer-brand { grid-column: 1 / -1; max-width: none; }
}
@media (max-width: 480px) {
    .oz-footer-grid { grid-template-columns: 1fr; gap: 30px; }
    .oz-footer-bottom { flex-direction: column; align-items: flex-start; gap: 8px; }
}

/* ============================================================
   Etkileşim katmanı — kontroller, simülasyonlar, sayfa cilası
   ============================================================ */

/* Scroll ilerleme çubuğu */
.oz-progress {
    position: fixed; top: 0; left: 0; right: 0; height: 2px; z-index: 50;
    transform: scaleX(0); transform-origin: left center; will-change: transform;
    background: linear-gradient(90deg, rgba(255,255,255,0.35), rgba(255,255,255,0.95));
    box-shadow: 0 0 12px rgba(255,255,255,0.25); pointer-events: none;
}

/* Nav scrollspy aktif link */
.oz-nav-links a.is-current { color: var(--text-1); }
.oz-nav-links a.is-current::after { width: 100%; }

/* Hero model chip — buton */
.oz-model-chip { appearance: none; -webkit-appearance: none; font: inherit; cursor: pointer; }
.oz-model-chip:hover { background: rgba(255,255,255,0.09); border-color: var(--stroke-subtle); }
.oz-model-chip:focus-visible { outline: 2px solid var(--stroke-focus); outline-offset: 2px; }
.oz-chip-img.oz-silhouette { filter: grayscale(1) brightness(0) invert(1); opacity: 0.9; }
.oz-chip-chev { transition: transform var(--motion-base) var(--ease-spring); }
.oz-model-chip:hover .oz-chip-chev { transform: translateY(1px); }
.oz-model-chip.oz-swap .oz-chip-name,
.oz-model-chip.oz-swap .oz-chip-img { animation: ozChipSwap 0.34s var(--ease-spring); }
@keyframes ozChipSwap { 0% { opacity: 0.2; transform: translateY(-3px); } 100% { opacity: 1; transform: none; } }

/* Model seçici — kayan gösterge + check */
.oz-mock-switcher ul { position: relative; }
.oz-switcher-ind {
    position: absolute; left: 0; right: 0; top: 0; height: 44px; z-index: 0;
    border-radius: var(--radius-sm); background: rgba(255,255,255,0.07);
    border: 1px solid var(--oz-hair); box-shadow: inset 0 1px 0 rgba(255,255,255,0.10);
    transition: transform var(--motion-base) var(--ease-spring), height var(--motion-base) var(--ease-spring);
    pointer-events: none;
}
.oz-mock-switcher li { position: relative; z-index: 1; cursor: pointer; outline: none; }
.oz-mock-switcher li.is-active { background: transparent; border-color: transparent; }
.oz-mock-switcher li:focus-visible { box-shadow: 0 0 0 2px var(--stroke-focus); }
.oz-switcher-check { opacity: 0; transform: scale(0.5);
    transition: opacity var(--motion-base) var(--ease-spring), transform var(--motion-base) var(--ease-spring); }
.oz-mock-switcher li.is-active .oz-switcher-check { opacity: 1; transform: scale(1); }

/* Composer caret + hero typewriter caret */
.oz-mock-input::after,
.oz-msg-ai p.oz-typing::after {
    content: ""; display: inline-block; width: 2px; height: 1em; margin-left: 2px;
    vertical-align: -2px; background: var(--text-2); animation: ozCaret 1.1s steps(1) infinite;
}
.oz-msg-ai p.oz-typing::after { background: var(--ink-92); }
@keyframes ozCaret { 0%, 50% { opacity: 1; } 51%, 100% { opacity: 0; } }

/* OTP hane flip */
.oz-otp i.oz-flip { animation: ozOtpFlip 0.4s var(--ease-spring); }
@keyframes ozOtpFlip { 0% { transform: rotateX(-90deg); opacity: 0.2; } 100% { transform: rotateX(0); opacity: 1; } }
.oz-otp-bar span { transform-origin: left center; }

/* SSS — açılışta içerik belirir */
.oz-faq-list details[open] p { animation: ozFaqIn 0.36s var(--ease-spring); }
@keyframes ozFaqIn { 0% { opacity: 0; transform: translateY(-6px); } 100% { opacity: 1; transform: none; } }

/* Çağrı sim — konuşmacı geçişi + sinyal nabzı (yalnız canlıyken) */
.oz-call-tile { transition: border-color var(--motion-base) var(--ease-spring),
    box-shadow var(--motion-base) var(--ease-spring), color var(--motion-base) var(--ease-spring); }
.oz-call-pills i { transform-origin: bottom; }
.oz-mock-call.oz-live .oz-call-pills i { animation: ozBars 1.4s var(--ease-smooth) infinite; }
.oz-mock-call.oz-live .oz-call-pills i:nth-child(2) { animation-delay: 0.18s; }
.oz-mock-call.oz-live .oz-call-pills i:nth-child(3) { animation-delay: 0.36s; }
@keyframes ozBars { 0%, 100% { transform: scaleY(0.5); } 50% { transform: scaleY(1); } }

/* Birincil buton — hover parıltı sweep */
.oz-btn-primary { position: relative; overflow: hidden; isolation: isolate; }
.oz-btn-primary::after {
    content: ""; position: absolute; top: 0; bottom: 0; left: -60%; width: 50%;
    background: linear-gradient(100deg, transparent, rgba(255,255,255,0.35), transparent);
    transform: skewX(-18deg); pointer-events: none; opacity: 0;
}
.oz-btn-primary:hover::after { opacity: 1; animation: ozShine 0.9s var(--ease-smooth); }
@keyframes ozShine { 0% { left: -60%; } 100% { left: 130%; } }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
    .oz-hero { grid-template-columns: 1fr; gap: 40px; }
    .oz-hero-mock { max-width: 460px; margin: 0 auto; width: 100%; }
    .oz-chapter { grid-template-columns: 1fr; gap: 36px; }
    .oz-chapter-rev .oz-chapter-copy { order: 1; }
    .oz-chapter-rev .oz-chapter-art { order: 2; }
    .oz-bento {
        grid-template-columns: 1fr 1fr;
        grid-template-areas:
            "twofa twofa"
            "lang  pwa"
            "priv  push";
    }
    .oz-faq { grid-template-columns: 1fr; gap: 28px; }
    .oz-faq-head { position: static; }
    .oz-nav-links { display: none; }
}
@media (max-width: 560px) {
    .oz-bento {
        grid-template-columns: 1fr;
        grid-template-areas: "twofa" "lang" "pwa" "priv" "push";
    }
    .oz-stat-row { gap: 22px; }
    .oz-marquee { gap: 20px; }
    .oz-logos { gap: 24px; }
    .oz-mock { transform: none; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
    .reveal-ready .reveal { opacity: 1 !important; transform: none !important; transition: none; }
    .oz-mock { transform: none !important; transition: none; }
    .oz-orb { animation: none !important; }
    .oz-model-chip.oz-swap .oz-chip-name,
    .oz-model-chip.oz-swap .oz-chip-img,
    .oz-otp i.oz-flip,
    .oz-faq-list details[open] p,
    .oz-btn-primary:hover::after,
    .oz-mock-input::after,
    .oz-msg-ai p.oz-typing::after,
    .oz-mock-call.oz-live .oz-call-pills i { animation: none !important; }
    .oz-switcher-ind, .oz-switcher-check, .oz-lang-ind, .oz-chip-chev { transition: none !important; }
    html { scroll-behavior: auto; }
}
html { scroll-behavior: smooth; }