/* Titanium Cam — site stilleri (renkler: TitaniumCam_Web_Paketi/ornek_sayfa) */
:root {
  --bg: #070c18;
  --bg-2: #0b1426;
  --surface: rgba(15, 26, 48, .72);
  --surface-solid: #0f1a30;
  --border: rgba(148, 163, 184, .16);
  --border-strong: rgba(148, 163, 184, .3);
  --text: #e8eef8;
  --muted: #9fb0c8;
  --blue: #3b82f6;
  --sky: #0ea5e9;
  --cyan: #22d3ee;
  --danger: #ff6b6b;
  --radius: 18px;
  --shadow: 0 30px 80px -30px rgba(0, 0, 0, .75);
  --grad: linear-gradient(120deg, var(--blue), var(--sky) 55%, var(--cyan));
  --font: "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; scroll-padding-top: 84px; }
body { margin: 0; font: 16px/1.65 var(--font); background: var(--bg); color: var(--text); overflow-x: hidden; }
img, svg, video { max-width: 100%; height: auto; display: block; }
a { color: var(--cyan); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { line-height: 1.15; margin: 0 0 .55em; letter-spacing: -.015em; }
h1 { font-size: clamp(2.2rem, 5vw, 3.9rem); }
h2 { font-size: clamp(1.7rem, 3.2vw, 2.6rem); }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; color: var(--muted); }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; border-radius: 4px; }
button { font: inherit; color: inherit; }

.container { width: min(1200px, 100% - 32px); margin-inline: auto; }
.narrow { max-width: 820px; }
.center { text-align: center; margin-inline: auto; }
.muted { color: var(--muted); }
.small { font-size: .88rem; }
.lead { font-size: 1.12rem; color: #c3d0e3; }
.eyebrow { display: inline-block; font-size: .8rem; font-weight: 700; text-transform: uppercase; letter-spacing: .12em; color: var(--cyan); margin-bottom: .8em; }
.pill { display: inline-block; padding: .4em 1em; border: 1px solid rgba(59, 130, 246, .5); border-radius: 99px; background: rgba(59, 130, 246, .12); color: #bcd7ff; font-size: .78rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; margin-bottom: 1.4em; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--cyan); color: #000; padding: 8px 14px; border-radius: 8px; z-index: 100; }
.skip:focus { left: 8px; }

/* Hareketli arka plan ışıkları */
.bg-glow { position: fixed; inset: 0; z-index: -1; overflow: hidden; background: linear-gradient(180deg, #0b1830 0%, var(--bg) 55%); pointer-events: none; }
.bg-glow i { position: absolute; border-radius: 50%; filter: blur(90px); opacity: .38; animation: drift 22s ease-in-out infinite alternate; }
.bg-glow .g1 { width: 46vw; height: 46vw; left: -12vw; top: -14vw; background: var(--blue); }
.bg-glow .g2 { width: 40vw; height: 40vw; right: -14vw; top: 30vh; background: var(--sky); animation-delay: -7s; opacity: .26; }
.bg-glow .g3 { width: 30vw; height: 30vw; left: 30vw; bottom: -18vw; background: var(--cyan); animation-delay: -13s; opacity: .14; }
@keyframes drift { to { transform: translate3d(6vw, 4vh, 0) scale(1.12); } }

/* Butonlar */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .5em; padding: .75em 1.3em; border-radius: 12px; border: 1px solid transparent; cursor: pointer; font-weight: 600; transition: transform .15s, box-shadow .15s, background .15s; text-decoration: none !important; }
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: linear-gradient(120deg, var(--blue), var(--sky)); color: #fff; box-shadow: 0 8px 28px rgba(14, 165, 233, .35); }
.btn-primary:hover { box-shadow: 0 10px 34px rgba(34, 211, 238, .45); }
.btn-ghost { background: rgba(255, 255, 255, .04); color: var(--text); border-color: var(--border-strong); }
.btn-ghost:hover { background: rgba(255, 255, 255, .08); }
.btn-sm { padding: .45em .95em; font-size: .92rem; }
.btn-lg { padding: .95em 1.6em; font-size: 1.05rem; }

/* Üst menü */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(7, 12, 24, .72); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-bottom: 1px solid var(--border); }
.nav-wrap { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-size: 1.15rem; font-weight: 700; text-decoration: none !important; }
.brand img { border-radius: 8px; }
.main-nav { display: flex; align-items: center; gap: 4px; }
.main-nav a:not(.btn) { color: var(--muted); padding: .45em .75em; border-radius: 8px; font-size: .95rem; text-decoration: none; }
.main-nav a:not(.btn):hover, .main-nav a[aria-current="page"] { color: var(--text); background: rgba(255, 255, 255, .06); }
.main-nav .btn { margin-left: 8px; }
.nav-toggle { display: none; background: none; border: 0; padding: 10px; cursor: pointer; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--text); margin: 5px 0; transition: .2s; }

@media (max-width: 920px) {
  .nav-toggle { display: block; }
  .main-nav { position: absolute; top: 68px; left: 0; right: 0; flex-direction: column; align-items: stretch; background: #0b1426; border-bottom: 1px solid var(--border); padding: 12px 16px 20px; display: none; }
  .main-nav.open { display: flex; }
  .main-nav a:not(.btn) { padding: .8em 1em; }
  .main-nav .btn { margin: 10px 0 0; }
  .nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}

/* Hero */
.hero { padding: 72px 0 64px; }
.hero-grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: 56px; align-items: center; }
.hero-grid > *, .split > *, .module > * { min-width: 0; }
.hero h1 { background: linear-gradient(100deg, #fff 30%, #a5d8ff 70%, var(--cyan)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.hero-visual { margin: 0; padding: 14px; border-radius: 22px; background: linear-gradient(135deg, rgba(59, 130, 246, .55), rgba(14, 165, 233, .35) 50%, rgba(34, 211, 238, .25)); box-shadow: var(--shadow); transform: perspective(1400px) rotateY(-6deg) rotateX(2deg); transition: transform .6s ease; }
.hero-visual:hover { transform: none; }
.hero-visual img { border-radius: 12px; }

.counters { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 64px; }
.counter { text-align: center; padding: 26px 16px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); }
.counter b { display: block; font-size: clamp(2rem, 4vw, 2.8rem); line-height: 1.1; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.counter span { color: var(--muted); font-size: .95rem; }

/* Bölümler */
.section { padding: 88px 0; }
.section-alt { background: rgba(11, 20, 38, .6); border-block: 1px solid var(--border); }
.section-head { text-align: center; max-width: 760px; margin: 0 auto 48px; }
.section-head p { color: var(--muted); }
.page-hero { padding: 56px 0 8px; }
.page-hero h1 { margin: .2em 0 0; font-size: clamp(2rem, 4vw, 3rem); }
.crumbs { font-size: .88rem; color: var(--muted); }
.crumbs a { color: var(--muted); }
.crumbs span { margin: 0 6px; opacity: .6; }
.group-title { margin: 56px 0 20px; font-size: 1.35rem; }
.group-title:first-of-type { margin-top: 28px; }

.split { display: grid; grid-template-columns: 1fr 1.1fr; gap: 56px; align-items: center; }
.split-top { align-items: start; }
.shot { margin: 0; border-radius: 16px; overflow: hidden; border: 1px solid var(--border-strong); background: #0a1222; box-shadow: var(--shadow); }
.shot img, .shot video { width: 100%; }

.cards { display: grid; gap: 20px; }
.cards-4 { grid-template-columns: repeat(4, 1fr); }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; transition: border-color .2s, transform .2s; }
.card:hover { border-color: var(--border-strong); transform: translateY(-2px); }
.card p { margin: 0; }
.card-sm { padding: 22px; }
.icon { width: 48px; height: 48px; border-radius: 12px; display: grid; place-items: center; font-size: 1.4rem; background: linear-gradient(135deg, rgba(59, 130, 246, .22), rgba(34, 211, 238, .18)); margin-bottom: 16px; }

/* Adımlar */
.flow { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; counter-reset: f; }
.flow li { position: relative; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px 22px; counter-increment: f; }
.flow li::before { content: counter(f); display: grid; place-items: center; width: 38px; height: 38px; border-radius: 50%; background: var(--grad); color: #04121f; font-weight: 800; margin-bottom: 14px; }
.flow li:not(:last-child)::after { content: "→"; position: absolute; right: -14px; top: 50%; transform: translateY(-50%); color: var(--cyan); z-index: 1; }
.flow b { display: block; font-size: 1.1rem; margin-bottom: 4px; }
.flow span { color: var(--muted); font-size: .95rem; }

/* Modüller */
.module-tabs { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin: -16px 0 56px; }
.module-tabs a { padding: .5em 1em; border-radius: 99px; border: 1px solid var(--border-strong); color: var(--text); font-size: .92rem; background: rgba(255, 255, 255, .03); }
.module-tabs a:hover { border-color: var(--cyan); text-decoration: none; }
.module { display: grid; grid-template-columns: 1fr 1.2fr; gap: 56px; align-items: center; padding: 48px 0; border-top: 1px solid var(--border); }
.module:first-of-type { border-top: 0; }
.module-rev .module-copy { order: 2; }
.module-no { display: inline-block; font-weight: 800; font-size: .9rem; color: var(--cyan); letter-spacing: .1em; margin-bottom: .5em; }
.module h3 { font-size: clamp(1.5rem, 2.6vw, 2.1rem); }
.module-media { display: grid; gap: 12px; }
.shot-thumb { display: flex; align-items: center; gap: 12px; padding: 8px; border-radius: 12px; border: 1px solid var(--border); background: var(--surface); cursor: zoom-in; text-align: left; color: var(--muted); font-size: .9rem; }
.shot-thumb img { width: 120px; border-radius: 6px; }
.shot-thumb:hover { border-color: var(--border-strong); color: var(--text); }
.checklist { list-style: none; padding: 0; margin: 0 0 8px; }
.checklist li { position: relative; padding: 7px 0 7px 30px; color: #c3d0e3; }
.checklist li::before { content: ""; position: absolute; left: 0; top: 12px; width: 18px; height: 18px; border-radius: 50%; background: rgba(34, 211, 238, .14) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2322d3ee' stroke-width='3'%3E%3Cpath d='M5 12l5 5L20 7'/%3E%3C/svg%3E") center/12px no-repeat; }

/* Tanıtım videosu (dikey) */
.intro-video { display: grid; grid-template-columns: minmax(260px, 380px) 1fr; gap: 64px; align-items: center; justify-content: center; }
.intro-video > * { min-width: 0; }
.intro-player video { width: 100%; aspect-ratio: 9 / 16; border-radius: 22px; border: 1px solid var(--border-strong); background: #000; box-shadow: var(--shadow); }
@media (max-width: 960px) { .intro-video { grid-template-columns: 1fr; gap: 32px; } .intro-player { max-width: 360px; margin-inline: auto; width: 100%; } }

/* Kullanım videoları */
.tutorial { display: grid; grid-template-columns: 1.4fr 1fr; gap: 48px; align-items: center; padding: 28px; background: var(--surface); border: 1px solid var(--border); border-radius: 22px; }
.tutorial + .tutorial { margin-top: 24px; }
.tutorial > * { min-width: 0; }
.tutorial-media video { width: 100%; border-radius: 14px; border: 1px solid var(--border-strong); background: #000; box-shadow: var(--shadow); }
.tutorial h3 { font-size: clamp(1.5rem, 2.6vw, 2.1rem); }
.tutorial .pill { margin-bottom: 1em; }
.mini-steps { list-style: none; padding: 0; margin: 0 0 16px; counter-reset: s; }
.mini-steps li { position: relative; padding: 8px 0 8px 40px; color: #c3d0e3; counter-increment: s; }
.mini-steps li::before { content: counter(s); position: absolute; left: 0; top: 6px; width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center; background: var(--grad); color: #04121f; font-weight: 800; font-size: .85rem; }
@media (max-width: 960px) { .tutorial { grid-template-columns: 1fr; gap: 24px; padding: 18px; } }

/* Render ve galeri */
.render-pair { display: grid; gap: 16px; }
.shot-btn { padding: 0; cursor: zoom-in; }
.gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }
.gallery-item { display: block; padding: 0; border: 1px solid var(--border); border-radius: 14px; overflow: hidden; background: var(--surface); cursor: zoom-in; text-align: left; transition: border-color .2s, transform .2s; }
.gallery-item:hover { border-color: var(--cyan); transform: translateY(-2px); }
.gallery-item img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; object-position: top; }
.gallery-item span { display: block; padding: 10px 14px; font-size: .9rem; color: #c3d0e3; }

.lightbox { position: fixed; inset: 0; z-index: 100; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 8px; padding: 16px; background: rgba(3, 6, 14, .92); backdrop-filter: blur(6px); }
.lightbox[hidden] { display: none; }
.lightbox figure { margin: 0; display: grid; justify-items: center; gap: 10px; max-height: 100%; }
.lightbox img { max-height: calc(100vh - 90px); width: auto; border-radius: 10px; box-shadow: var(--shadow); }
.lightbox figcaption { color: #c3d0e3; font-size: .95rem; text-align: center; }
.lightbox button { background: rgba(255, 255, 255, .08); border: 1px solid var(--border-strong); border-radius: 50%; width: 44px; height: 44px; font-size: 1.6rem; line-height: 1; cursor: pointer; }
.lightbox button:hover { background: rgba(255, 255, 255, .16); }
.lb-close { position: absolute; top: 16px; right: 16px; }

.video-frame { position: relative; aspect-ratio: 16 / 9; margin-top: 24px; border-radius: 16px; overflow: hidden; border: 1px solid var(--border-strong); box-shadow: var(--shadow); }
.video-frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.lang-list { list-style: none; padding: 0; margin: 24px 0 0; display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; }
.lang-list li { padding: .5em 1.1em; border-radius: 99px; background: var(--surface); border: 1px solid var(--border); }

/* SSS */
.faq details { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; margin-bottom: 12px; }
.faq summary { cursor: pointer; padding: 18px 22px; font-weight: 600; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--cyan); font-size: 1.3rem; line-height: 1; transition: transform .2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { padding: 0 22px 20px; margin: 0; }

/* Formlar */
.form { display: grid; gap: 16px; }
.form label { display: grid; gap: 6px; font-size: .9rem; font-weight: 500; color: #c3d0e3; }
.form input, .form textarea, .form select { width: 100%; font: inherit; color: var(--text); background: rgba(7, 12, 24, .8); border: 1px solid var(--border-strong); border-radius: 10px; padding: .7em .85em; }
.form input:focus, .form textarea:focus, .form select:focus { outline: none; border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(34, 211, 238, .18); }
.form [aria-invalid="true"] { border-color: var(--danger); }
.form textarea { resize: vertical; }
.form .checks { border: 1px solid var(--border); border-radius: 10px; padding: 12px 14px 4px; margin: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 4px 12px; }
.form .checks legend { padding: 0 6px; font-size: .9rem; color: #c3d0e3; }
.form .checks .check { margin-bottom: 8px; }
.row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }
.form .check { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; color: var(--muted); }
.form .check input { width: 18px; height: 18px; margin-top: 3px; flex: 0 0 auto; accent-color: var(--sky); }
.field-error { color: var(--danger); font-size: .82rem; margin: 0; font-weight: 400; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.alert { padding: 14px 16px; border-radius: 10px; border: 1px solid; font-size: .95rem; }
.alert-success { background: rgba(34, 211, 238, .1); border-color: rgba(34, 211, 238, .4); color: #a5f3fc; }
.alert-error { background: rgba(255, 107, 107, .1); border-color: rgba(255, 107, 107, .4); color: #ffb3b3; }
.contact-list { list-style: none; padding: 0; margin: 24px 0 0; }
.contact-list li { padding: 16px 0; border-bottom: 1px solid var(--border); }
.contact-list span { display: block; font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); margin-bottom: 2px; }

.prose h2 { font-size: 1.25rem; margin-top: 1.8em; }
.prose p { color: #c3d0e3; }
.big-404 { font-size: clamp(5rem, 18vw, 9rem); font-weight: 800; line-height: 1; margin: 0 0 .2em; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* CTA ve alt bilgi */
.cta-band { padding: 72px 0; background: linear-gradient(120deg, rgba(59, 130, 246, .16), rgba(34, 211, 238, .12)); border-top: 1px solid var(--border); }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.cta-inner p { color: #c3d0e3; margin: 0; }
.site-footer { background: rgba(4, 7, 15, .85); padding: 56px 0 24px; border-top: 1px solid var(--border); }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.3fr; gap: 32px; }
.footer-grid h3 { font-size: .85rem; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); }
.footer-grid a:not(.brand), .footer-grid span { display: block; color: #c3d0e3; padding: 3px 0; font-size: .94rem; }
.footer-grid .brand { margin-bottom: 12px; }
.footer-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--border); font-size: .85rem; color: var(--muted); }
.wa-float { position: fixed; right: 20px; bottom: 20px; width: 56px; height: 56px; border-radius: 50%; display: grid; place-items: center; background: #25d366; color: #fff; box-shadow: var(--shadow); z-index: 60; }

/* Kaydırınca belirme */
.js .reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.js .reveal.seen { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .bg-glow i { animation: none; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
  .hero-visual { transform: none; }
}

/* Duyarlı düzen */
@media (max-width: 960px) {
  .hero { padding: 40px 0 48px; }
  .hero-grid, .split, .module { grid-template-columns: 1fr; gap: 32px; }
  .hero-visual { transform: none; }
  .module-rev .module-copy { order: 0; }
  .counters { grid-template-columns: 1fr 1fr; margin-top: 40px; }
  .cards-4, .flow { grid-template-columns: 1fr 1fr; }
  .flow li::after { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .cta-inner { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 600px) {
  .section { padding: 60px 0; }
  .cards-4, .flow, .row-2, .row-3, .footer-grid { grid-template-columns: 1fr; }
  .card { padding: 22px; }
  .btn-lg { width: 100%; }
  .lightbox { grid-template-columns: 1fr; padding: 56px 8px 8px; }
  .lb-prev, .lb-next { display: none; }
}