/* TVitrin Kurumsal Site — marka: navy + #087BFF */
:root {
  --bg: #06111D;
  --bg-2: #0D1A2B;
  --bg-3: #122842;
  --line: rgba(255,255,255,.08);
  --line-2: rgba(8,123,255,.22);
  --text: #FFFFFF;
  --muted: #B7C7DA;
  --muted-2: #6F8198;
  --primary: #087BFF;
  --primary-2: #38A0FF;
  --primary-glow: rgba(8,123,255,.35);
  --cyan: #00D4FF;
  --ok: #22D66D;
  --gold: #F2B807;
  --radius: 16px;
  --radius-sm: 10px;
  --max: 1180px;
  --header-h: 80px;
  --font: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; height: auto; }
a { color: var(--primary-2); text-decoration: none; transition: color .2s, opacity .2s; }
a:hover { color: var(--cyan); }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 200;
  background: rgba(6,17,29,.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  min-height: var(--header-h);
  gap: 20px;
}
.brand {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.brand img,
.brand-logo {
  height: clamp(48px, 6vw, 64px);
  width: auto;
  max-width: min(260px, 48vw);
  object-fit: contain;
}
.site-nav { display: flex; align-items: center; gap: 8px; }
.site-nav a {
  color: var(--muted); font-weight: 500; font-size: 14px;
  padding: 8px 12px; border-radius: 8px;
}
.site-nav a:hover, .site-nav a.active { color: var(--text); background: rgba(255,255,255,.04); }
.nav-toggle {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 8px;
}
.nav-toggle span {
  display: block; width: 22px; height: 2px; background: var(--text);
  border-radius: 2px; transition: transform .25s, opacity .25s;
}
.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); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 24px; border-radius: var(--radius-sm);
  font-weight: 700; font-size: 15px; border: none; cursor: pointer;
  transition: transform .2s, box-shadow .2s, background .2s;
  font-family: inherit;
}
.btn-sm { padding: 10px 16px; font-size: 13px; }
.btn-primary {
  background: var(--primary); color: #fff;
  box-shadow: 0 8px 28px var(--primary-glow);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 36px var(--primary-glow); color: #fff; }
.btn-ghost {
  background: transparent; color: var(--text);
  border: 1px solid var(--line);
}
.btn-ghost:hover { background: rgba(255,255,255,.05); color: var(--text); }
.btn-download {
  background: rgba(0,212,255,.08);
  color: var(--cyan);
  border: 1px solid rgba(0,212,255,.45);
  box-shadow: 0 0 0 1px rgba(0,212,255,.12) inset;
}
.btn-download:hover {
  background: rgba(0,212,255,.14);
  color: #fff;
  border-color: var(--cyan);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,212,255,.2);
}
.btn-download-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 6px;
  background: rgba(0,212,255,.15);
  font-size: 14px;
  font-weight: 800;
  line-height: 1;
}

/* Hero */
.hero {
  position: relative; padding: 72px 0 88px;
  background:
    radial-gradient(ellipse 70% 50% at 50% -10%, rgba(8,123,255,.18), transparent 60%),
    radial-gradient(ellipse 40% 30% at 90% 20%, rgba(0,212,255,.08), transparent 50%),
    var(--bg);
  overflow: hidden;
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, #000 40%, transparent);
  pointer-events: none;
}
.hero-grid {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1fr 1.1fr;
  gap: 48px; align-items: center;
}
.hero-copy .eyebrow {
  display: inline-block; padding: 6px 14px; border-radius: 999px;
  background: rgba(8,123,255,.12); border: 1px solid var(--line-2);
  color: var(--cyan); font-size: 12px; font-weight: 700;
  letter-spacing: .12em; text-transform: uppercase; margin-bottom: 20px;
}
.hero-copy h1 {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 800; line-height: 1.08; letter-spacing: -.03em;
  margin: 0 0 20px;
}
.hero-copy h1 em {
  font-style: normal;
  background: linear-gradient(90deg, var(--primary), var(--cyan));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-copy .lead { color: var(--muted); font-size: 18px; max-width: 520px; margin-bottom: 32px; }
.hero-cta {
  display: grid;
  gap: 10px;
  width: min(100%, 440px);
  margin-top: 4px;
}
.hero-cta > .btn-primary {
  width: 100%;
  justify-content: center;
  padding-left: 20px;
  padding-right: 20px;
}
.hero-cta-secondary {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  width: 100%;
}
.hero-cta-secondary .btn {
  width: 100%;
  justify-content: center;
  padding: 13px 14px;
  font-size: 14px;
  white-space: nowrap;
}
.hero-cta-secondary .btn-download {
  gap: 6px;
}

/* Stats bar */
.stats-bar {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1px; background: var(--line);
  border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; margin-top: 64px;
}
.stat-cell {
  background: var(--bg-2); padding: 28px 20px; text-align: center;
}
.stat-cell .num {
  font-size: clamp(28px, 4vw, 40px); font-weight: 800;
  color: var(--primary-2); letter-spacing: -.02em;
}
.stat-cell .lbl { color: var(--muted-2); font-size: 14px; margin-top: 4px; }

/* TV Mockup */
.tv-mockup-wrap { display: flex; flex-direction: column; align-items: center; }
.tv-mockup {
  position: relative; width: 100%; max-width: 640px;
}
.tv-bezel {
  background: linear-gradient(145deg, #1a1a1a, #0a0a0a);
  border-radius: 18px; padding: 14px 14px 20px;
  box-shadow:
    0 40px 80px rgba(0,0,0,.55),
    0 0 0 1px rgba(255,255,255,.06),
    inset 0 1px 0 rgba(255,255,255,.08);
}
.tv-screen {
  position: relative; aspect-ratio: 16/9;
  border-radius: 8px; overflow: hidden;
  background: #000;
  box-shadow: inset 0 0 40px rgba(0,0,0,.8);
}
.tv-carousel { position: relative; width: 100%; height: 100%; }
.tv-carousel img {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; opacity: 0; transition: opacity .8s ease;
}
.tv-carousel img.active { opacity: 1; }
.tv-stand {
  width: 38%; height: 14px; margin: 0 auto;
  background: linear-gradient(180deg, #222, #111);
  border-radius: 0 0 8px 8px;
}
.tv-base {
  width: 52%; height: 8px; margin: 4px auto 0;
  background: #0d0d0d; border-radius: 999px;
  box-shadow: 0 4px 12px rgba(0,0,0,.4);
}
.tv-size-label {
  margin-top: 14px; font-size: 12px; color: var(--muted-2);
  letter-spacing: .08em; text-transform: uppercase;
}
.tv-dots {
  display: flex; gap: 8px; justify-content: center; margin-top: 16px;
}
.tv-dots button {
  width: 8px; height: 8px; border-radius: 50%; border: none;
  background: var(--muted-2); cursor: pointer; padding: 0;
  transition: background .2s, transform .2s;
}
.tv-dots button.active { background: var(--primary); transform: scale(1.2); }

/* Sections */
section { padding: 88px 0; }
section.alt { background: var(--bg-2); }
.section-head { text-align: center; max-width: 680px; margin: 0 auto 52px; }
.section-head .tag {
  color: var(--primary-2); font-size: 12px; font-weight: 700;
  letter-spacing: .14em; text-transform: uppercase; margin-bottom: 12px;
}
.section-head h2 {
  font-size: clamp(26px, 4vw, 38px); font-weight: 800;
  letter-spacing: -.02em; margin: 0 0 14px;
}
.section-head p { color: var(--muted); font-size: 17px; margin: 0; }

/* Why grid */
.why-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px;
}
.why-card {
  background: linear-gradient(160deg, rgba(255,255,255,.04), rgba(255,255,255,.01));
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px; transition: border-color .25s, transform .25s;
}
.why-card:hover { border-color: var(--line-2); transform: translateY(-4px); }
.why-card .icon {
  width: 48px; height: 48px; border-radius: 12px;
  background: rgba(8,123,255,.12); border: 1px solid var(--line-2);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
}
.why-card .icon img { width: 28px; height: 28px; object-fit: contain; }
.why-card h3 { font-size: 18px; margin: 0 0 8px; }
.why-card p { color: var(--muted); font-size: 14px; margin: 0; }

/* PC + Mobile section */
.manage-grid {
  display: grid; grid-template-columns: 1.2fr 1fr; gap: 48px; align-items: center;
}
.manage-copy h3 { font-size: 28px; font-weight: 800; margin: 0 0 16px; }
.manage-copy p { color: var(--muted); margin-bottom: 12px; }
.manage-copy ul { color: var(--muted); padding-left: 18px; margin: 0 0 24px; }
.manage-copy li { margin-bottom: 8px; }
.pc-mockup img {
  border-radius: var(--radius);
  border: 1px solid var(--line);
  box-shadow: 0 24px 60px rgba(0,0,0,.45);
}
.phone-mockup-wrap { display: flex; justify-content: center; }
.phone-mockup {
  width: 260px; background: #111;
  border-radius: 32px; padding: 12px;
  box-shadow: 0 30px 60px rgba(0,0,0,.5), 0 0 0 2px #333;
}
.phone-notch {
  width: 90px; height: 22px; background: #111;
  border-radius: 0 0 14px 14px; margin: -4px auto 8px;
}
.phone-browser {
  background: var(--bg-3); border-radius: 20px; overflow: hidden;
}
.browser-bar {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 12px; background: #0a1520;
  border-bottom: 1px solid var(--line);
}
.browser-dots { display: flex; gap: 4px; }
.browser-dots span {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--muted-2);
}
.browser-url {
  flex: 1; background: rgba(0,0,0,.35);
  border-radius: 6px; padding: 5px 10px;
  font-size: 11px; color: var(--muted);
  text-align: center; font-family: monospace;
}
.phone-screen img { width: 100%; display: block; }

/* Pricing */
.pricing-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px;
}
.price-card {
  background: var(--bg-2); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 32px 28px;
  display: flex; flex-direction: column; position: relative;
  transition: transform .25s, border-color .25s;
}
.price-card:hover { transform: translateY(-4px); border-color: var(--line-2); }
.price-card.featured {
  border-color: var(--primary);
  box-shadow: 0 0 0 1px var(--primary), 0 20px 50px var(--primary-glow);
}
.price-card .badge {
  position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  background: var(--primary); color: #fff;
  font-size: 11px; font-weight: 700; padding: 4px 12px;
  border-radius: 999px; letter-spacing: .06em;
}
.price-card h3 { font-size: 18px; margin: 0 0 8px; }
.price-card .amount {
  font-size: 36px; font-weight: 800; color: var(--primary-2);
  letter-spacing: -.02em;
}
.price-card .period { color: var(--muted-2); font-size: 14px; margin-bottom: 20px; }
.price-card ul { list-style: none; padding: 0; margin: 0 0 24px; flex: 1; }
.price-card li {
  color: var(--muted); font-size: 14px; padding: 8px 0;
  border-bottom: 1px solid var(--line);
  padding-left: 22px; position: relative;
}
.price-card li::before {
  content: "✓"; position: absolute; left: 0; color: var(--ok); font-weight: 700;
}
.price-note {
  text-align: center; color: var(--muted); margin-top: 32px; font-size: 15px;
}

/* FAQ */
.faq-list { max-width: 760px; margin: 0 auto; }
.faq-item {
  border: 1px solid var(--line); border-radius: var(--radius-sm);
  margin-bottom: 12px; overflow: hidden; background: var(--bg-2);
}
.faq-q {
  width: 100%; text-align: left; background: none; border: none;
  color: var(--text); font-family: inherit; font-weight: 600;
  font-size: 15px; padding: 18px 20px; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
}
.faq-q::after { content: "+"; color: var(--primary); font-size: 20px; }
.faq-item.open .faq-q::after { content: "−"; }
.faq-a {
  display: none; padding: 0 20px 18px; color: var(--muted); font-size: 14px;
}
.faq-item.open .faq-a { display: block; }

/* Page hero (inner pages) */
.page-hero {
  padding: 56px 0 40px;
  background: radial-gradient(ellipse 60% 80% at 50% -20%, rgba(8,123,255,.14), transparent), var(--bg);
  border-bottom: 1px solid var(--line);
}
.page-hero h1 { font-size: clamp(28px, 4vw, 40px); font-weight: 800; margin: 0 0 12px; }
.page-hero p { color: var(--muted); max-width: 600px; margin: 0; }

/* Content prose */
.prose { max-width: 760px; margin: 0 auto; }
.prose h2 { font-size: 22px; margin: 32px 0 12px; }
.prose h3 { font-size: 18px; margin: 24px 0 10px; }
.prose p, .prose li { color: var(--muted); }
.prose ul { padding-left: 20px; }
.prose a { color: var(--primary-2); }

/* Feature list page */
.feature-blocks {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px;
}
.feature-block {
  background: var(--bg-2); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 28px;
}
.feature-block h3 { margin: 0 0 10px; font-size: 18px; }
.feature-block p { color: var(--muted); margin: 0; font-size: 14px; }

/* Vision timeline */
.timeline { max-width: 720px; margin: 0 auto; }
.timeline-item {
  display: grid; grid-template-columns: 100px 1fr; gap: 24px;
  padding-bottom: 32px; border-left: 2px solid var(--line);
  margin-left: 48px; padding-left: 32px; position: relative;
}
.timeline-item::before {
  content: ""; position: absolute; left: -7px; top: 4px;
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--primary); box-shadow: 0 0 12px var(--primary-glow);
}
.timeline-item .year { color: var(--primary-2); font-weight: 800; font-size: 14px; }
.timeline-item h3 { margin: 0 0 8px; font-size: 17px; }
.timeline-item p { color: var(--muted); margin: 0; font-size: 14px; }

/* Demo form */
.form-card {
  max-width: 520px; margin: 0 auto;
  background: var(--bg-2); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 36px;
}
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; color: var(--muted); }
.form-group input, .form-group textarea, .form-group select {
  width: 100%; padding: 12px 14px; border-radius: var(--radius-sm);
  border: 1px solid var(--line); background: var(--bg);
  color: var(--text); font-family: inherit; font-size: 15px;
}
.form-group input:focus, .form-group textarea:focus {
  outline: none; border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(8,123,255,.15);
}
.form-group textarea { min-height: 100px; resize: vertical; }
.alert {
  padding: 14px 16px; border-radius: var(--radius-sm); margin-bottom: 20px; font-size: 14px;
}
.alert-ok { background: rgba(34,214,109,.12); border: 1px solid rgba(34,214,109,.3); color: #7dffb0; }
.alert-err { background: rgba(240,77,77,.12); border: 1px solid rgba(240,77,77,.3); color: #ff9a9a; }

/* Maskot accent */
.maskot-float {
  position: absolute; right: -20px; bottom: -20px;
  width: 180px; opacity: .9; pointer-events: none;
}

/* Footer */
.site-footer {
  background: var(--bg-2); border-top: 1px solid var(--line);
  padding: 56px 0 0; margin-top: 40px;
}
.footer-grid {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px;
  padding-bottom: 40px;
}
.footer-brand img,
.footer-logo {
  height: 52px;
  width: auto;
  max-width: 220px;
  object-fit: contain;
  margin-bottom: 6px;
}
.footer-brand p { color: var(--muted-2); font-size: 14px; margin: 14px 0; max-width: 280px; }
.footer-contact { display: flex; flex-direction: column; gap: 6px; }
.footer-contact a { font-size: 14px; }
.site-footer h4 { font-size: 13px; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); margin: 0 0 14px; }
.site-footer div > a {
  display: block; color: var(--muted-2); font-size: 14px; margin-bottom: 8px;
}
.site-footer div > a:hover { color: var(--text); }
.footer-bottom {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px;
  padding: 20px 0; border-top: 1px solid var(--line);
  font-size: 13px; color: var(--muted-2);
}

/* CTA band */
.cta-band {
  background: linear-gradient(135deg, rgba(8,123,255,.18), rgba(0,212,255,.08));
  border: 1px solid var(--line-2); border-radius: var(--radius);
  padding: 48px; text-align: center; margin: 0 24px 88px;
  max-width: calc(var(--max) - 48px); margin-left: auto; margin-right: auto;
}
.cta-band h2 { font-size: 28px; margin: 0 0 12px; }
.cta-band p { color: var(--muted); margin: 0 0 24px; }

/* Download cards */
.download-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.download-grid--compact { gap: 20px; }
.download-card {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.download-icon { font-size: 2rem; line-height: 1; }
.download-card h3 { margin: 0; font-size: 1.25rem; }
.download-desc { color: var(--muted); font-size: 14px; margin: 0; flex: 1; }
.download-meta { color: var(--muted-2); font-size: 13px; margin: 0; }
.download-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 8px; }
.download-steps { padding: 72px 0; }
.steps-list {
  color: var(--muted);
  max-width: 640px;
  line-height: 1.8;
  margin: 0 0 24px;
  padding-left: 1.2rem;
}
.steps-list strong { color: var(--text); }

/* Responsive */
@media (max-width: 960px) {
  .hero-grid, .manage-grid { grid-template-columns: 1fr; }
  .hero-visual { order: -1; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .maskot-float { display: none; }
}
@media (max-width: 720px) {
  .nav-toggle { display: flex; }
  .site-nav {
    position: fixed; top: var(--header-h); left: 0; right: 0;
    background: var(--bg-2); border-bottom: 1px solid var(--line);
    flex-direction: column; align-items: stretch; padding: 16px;
    transform: translateY(-120%); opacity: 0; pointer-events: none;
    transition: transform .3s, opacity .3s;
  }
  .site-nav.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .site-nav a { padding: 12px 14px; }
  .stats-bar { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .download-grid { grid-template-columns: 1fr; }
  .hero-cta-secondary { grid-template-columns: 1fr; }
  .hero-cta-secondary .btn { white-space: normal; }
  .cta-band { padding: 32px 24px; }
  .timeline-item { grid-template-columns: 1fr; margin-left: 20px; }
}