/* Güven Çemberi — tanıtım sayfası
   Marka (logodan): lacivert #1F3A68 + turkuaz #209DAC + kalp sarısı #F3B043, Plus Jakarta Sans + Instrument Serif */

:root {
  --navy: #1F3A68;
  --navy-700: #142849;
  --navy-900: #0C1A33;
  --navy-50: #EEF2F8;
  --teal: #209DAC;
  --teal-600: #1A8593;
  --teal-50: #E6F5F7;
  --amber: #F3B043;
  --amber-soft: #F7CB7E;
  --sand: #F7F2EA;
  --sand-2: #EFE7D8;
  --sand-line: #E4D9C4;
  --bg: #FBFAF7;
  --card: #FFFFFF;
  --fg-1: #1A2032;
  --fg-2: #4A5366;
  --fg-3: #7B8499;
  --line: #E6E2DA;

  --radius: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 1px 2px rgba(16, 33, 64, .06), 0 1px 3px rgba(16, 33, 64, .05);
  --shadow-md: 0 10px 30px -12px rgba(16, 33, 64, .22);
  --shadow-lg: 0 30px 60px -24px rgba(16, 33, 64, .35);

  --sans: "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --serif: "Instrument Serif", Georgia, "Times New Roman", serif;
  --container: 1160px;
  --header-h: 72px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 12px); -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--fg-1);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { margin: 0; line-height: 1.15; letter-spacing: -0.02em; }
p { margin: 0; }
em { font-family: var(--serif); font-style: italic; font-weight: 400; letter-spacing: 0; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }

.skip-link {
  position: absolute; left: 16px; top: -48px; z-index: 100;
  background: var(--navy); color: #fff; padding: 10px 16px; border-radius: 8px;
}
.skip-link:focus { top: 12px; }

:focus-visible { outline: 3px solid rgba(32, 157, 172, .55); outline-offset: 3px; border-radius: 6px; }

/* ---------- Butonlar ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 42px; padding: 0 18px;
  border-radius: 999px; border: 1px solid transparent;
  font: 600 15px/1 var(--sans);
  cursor: pointer; white-space: nowrap;
  transition: background .2s, color .2s, border-color .2s, transform .2s, box-shadow .2s;
}
.btn-lg { height: 52px; padding: 0 26px; font-size: 16px; }
.btn-primary { background: var(--navy); color: #fff; box-shadow: 0 10px 22px -10px rgba(31, 58, 104, .75); }
.btn-primary:hover { background: var(--navy-700); transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--navy); border-color: rgba(31, 58, 104, .25); }
.btn-ghost:hover { background: var(--navy-50); border-color: rgba(31, 58, 104, .4); }
.btn-light { background: #fff; color: var(--navy); }
.btn-light:hover { background: var(--sand); transform: translateY(-1px); }

/* ---------- Üst menü ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  height: var(--header-h);
  background: rgba(251, 250, 247, .82);
  backdrop-filter: saturate(1.4) blur(12px);
  -webkit-backdrop-filter: saturate(1.4) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s, box-shadow .2s;
}
.site-header.scrolled { border-bottom-color: var(--line); box-shadow: 0 6px 24px -18px rgba(16, 33, 64, .4); }
.header-inner { height: 100%; display: flex; align-items: center; gap: 32px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--navy); }
.brand-logo { width: 40px; height: auto; flex: none; }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-name { font-weight: 800; font-size: 19px; letter-spacing: -0.02em; }
.brand-sub { font-family: var(--serif); font-style: italic; font-size: 14px; color: var(--fg-2); letter-spacing: 0; }
.header-nav { display: flex; gap: 28px; margin-left: auto; }
.header-nav a { font-weight: 500; font-size: 15px; color: var(--fg-2); position: relative; padding: 4px 0; }
.header-nav a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 2px;
  background: var(--teal); border-radius: 2px; transform: scaleX(0); transition: transform .25s;
}
.header-nav a:hover, .header-nav a.is-current { color: var(--navy); }
.header-nav a:hover::after, .header-nav a.is-current::after { transform: scaleX(1); }

/* Kaydırma ilerleme çizgisi */
.scroll-progress { position: fixed; inset: 0 0 auto 0; height: 3px; z-index: 60; pointer-events: none; }
.scroll-progress span {
  display: block; height: 100%; width: 100%; transform-origin: 0 50%; transform: scaleX(var(--p, 0));
  background: linear-gradient(90deg, var(--teal), var(--navy) 70%, var(--amber));
}
.header-actions { display: flex; align-items: center; gap: 12px; }

.menu-toggle {
  display: none; width: 42px; height: 42px; border-radius: 12px;
  border: 1px solid var(--line); background: #fff; cursor: pointer;
  flex-direction: column; align-items: center; justify-content: center; gap: 4px;
}
.menu-toggle span { width: 18px; height: 2px; background: var(--navy); border-radius: 2px; transition: transform .25s, opacity .25s; }
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero { position: relative; padding: 72px 0 96px; overflow: hidden; }
.hero-bg {
  position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(800px 500px at 85% 20%, rgba(31, 58, 104, .08), transparent 60%),
    radial-gradient(600px 400px at 10% 90%, rgba(32, 157, 172, .10), transparent 60%),
    linear-gradient(180deg, var(--bg), var(--sand));
}
.hero-inner { display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 13px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  color: var(--teal);
}
.eyebrow::before { content: ""; width: 28px; height: 2px; background: currentColor; border-radius: 2px; }
.hero h1 {
  margin-top: 18px;
  font-size: clamp(40px, 5.6vw, 68px);
  font-weight: 800;
  color: var(--navy-900);
}
.hero h1 em { display: block; color: var(--teal); font-size: 1.12em; line-height: 1.05; }
.lede { margin-top: 22px; font-size: 18px; color: var(--fg-2); max-width: 540px; }
.hero-actions { margin-top: 32px; display: flex; flex-wrap: wrap; gap: 12px; }
/* Tanıtım filmi düğmesi + penceresi */
.film-play {
  margin-top: 22px; display: inline-flex; align-items: center; gap: 12px;
  padding: 6px 18px 6px 6px; border: 0; border-radius: 999px; background: transparent;
  font: inherit; color: var(--navy); text-align: left; cursor: pointer;
}
.film-play-icon {
  position: relative; display: grid; place-items: center; flex: none;
  width: 44px; height: 44px; border-radius: 50%; background: var(--amber); color: var(--navy-900);
  box-shadow: 0 8px 20px -8px rgba(243, 176, 67, .9);
  transition: transform .2s;
}
.film-play-icon::after {
  content: ""; position: absolute; inset: -6px; border-radius: 50%;
  border: 2px solid var(--amber); opacity: .6; animation: film-pulse 2s ease-out infinite;
}
@keyframes film-pulse { from { transform: scale(.85); opacity: .7; } to { transform: scale(1.35); opacity: 0; } }
.film-play strong { display: block; font-size: 15px; font-weight: 700; }
.film-play small { display: block; font-size: 13px; color: var(--fg-3); }
.film-play:hover .film-play-icon { transform: scale(1.08); }
.film-play:focus-visible { outline: 2px solid var(--teal); outline-offset: 3px; }
.film-modal {
  position: fixed; inset: 0; z-index: 100; background: rgba(12, 26, 51, .82);
  display: grid; place-items: center; padding: 24px;
  animation: film-in .25s ease;
}
.film-modal[hidden] { display: none; }
.film-frame {
  width: min(100%, calc((100vh - 48px) * 16 / 9)); aspect-ratio: 16 / 9;
  border-radius: 18px; overflow: hidden; background: #0A2647; box-shadow: 0 40px 80px -20px rgba(0, 0, 0, .6);
}
.film-frame iframe { width: 100%; height: 100%; border: 0; display: block; }
@keyframes film-in { from { opacity: 0; } to { opacity: 1; } }
@media (max-width: 768px) {
  .film-modal { padding: 0; }
  .film-frame { width: 100%; height: 100%; aspect-ratio: auto; border-radius: 0; }
}

.hero-points { list-style: none; padding: 0; margin: 32px 0 0; display: flex; flex-wrap: wrap; gap: 10px 22px; }
.hero-points li { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 500; color: var(--fg-2); }
.hero-points li::before {
  content: ""; width: 18px; height: 18px; border-radius: 50%;
  background: var(--navy-50) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M7 12.5l3 3 7-7' fill='none' stroke='%231F3A68' stroke-width='2.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/12px no-repeat;
}

.hero-visual { position: relative; perspective: 1200px; }
.orbit-tilt { transition: transform .4s ease-out; transform: rotateX(var(--ry, 0deg)) rotateY(var(--rx, 0deg)); will-change: transform; }
.orbit-svg { width: 100%; max-width: 520px; margin: 0 auto; overflow: visible; }
.orbit-note { margin-top: 18px; text-align: center; font-family: var(--serif); font-style: italic; font-size: 18px; color: var(--fg-2); }
.pulse { transform-origin: 260px 260px; animation: pulse 4s ease-out infinite; opacity: 0; }
.pulse-2 { animation-delay: 2s; }
.spokes line { stroke: var(--teal); stroke-width: 2; stroke-linecap: round; stroke-dasharray: 4 8; stroke-opacity: .55; animation: flow 1.6s linear infinite; }
.spokes line:nth-child(2n) { animation-duration: 2.1s; }
.spokes line:nth-child(3n) { animation-duration: 2.6s; }
@keyframes pulse { 0% { transform: scale(1); opacity: .45; } 100% { transform: scale(2.3); opacity: 0; } }
@keyframes flow { to { stroke-dashoffset: -24; } }
.ring-dash { transform-origin: 260px 260px; animation: spin 80s linear infinite; }
.ring-main { transform-origin: 260px 260px; animation: spin 40s linear infinite reverse; }
.heart { transform-origin: 260px 205px; animation: beat 2.4s ease-in-out infinite; }
.node circle { fill: #fff; stroke: var(--sand-line); stroke-width: 1.5; filter: drop-shadow(0 8px 14px rgba(16, 33, 64, .12)); }
.node text { font: 600 12px var(--sans); fill: var(--navy); text-anchor: middle; }
.core-logo { filter: drop-shadow(0 6px 10px rgba(16, 33, 64, .12)); }
.node { animation: float 6s ease-in-out infinite; animation-delay: var(--d); }

@keyframes spin { to { transform: rotate(360deg); } }
@keyframes beat { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.12); } }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }

/* ---------- Bölüm ortakları ---------- */
.section { padding: 104px 0; }
.section-head { max-width: 680px; margin: 0 auto 56px; text-align: center; }
.kicker { font-size: 13px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--teal); }
.section-head h2, .security-copy h2 { margin-top: 12px; font-size: clamp(30px, 3.6vw, 44px); font-weight: 800; color: var(--navy-900); }
.section-head h2 em { color: var(--teal); font-size: 1.1em; }
.section-sub { margin-top: 16px; font-size: 17px; color: var(--fg-2); }

/* ---------- Akan bant ---------- */
.marquee { overflow: hidden; background: var(--navy); color: #fff; padding: 18px 0; border-block: 1px solid var(--navy-700); }
.marquee-track { display: flex; align-items: center; gap: 28px; width: max-content; animation: marquee 38s linear infinite; }
.marquee-track span { font-family: var(--serif); font-style: italic; font-size: 26px; white-space: nowrap; letter-spacing: 0; }
.marquee-track i { width: 10px; height: 10px; flex: none; border-radius: 50%; background: var(--amber); box-shadow: 0 0 0 4px rgba(243, 176, 67, .2); }
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- Yaklaşım ---------- */
.approach-inner { display: grid; grid-template-columns: 1.05fr .95fr; gap: 64px; align-items: center; }
.approach-statement h2 { margin-top: 12px; font-size: clamp(30px, 3.6vw, 46px); font-weight: 800; color: var(--navy-900); }
.approach-statement h2 em { color: var(--teal); font-size: 1.1em; }
.approach-statement .section-sub { max-width: 520px; }
.principles { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.principle {
  display: flex; gap: 20px; align-items: flex-start; padding: 24px 26px;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-sm);
  transition: transform .25s, box-shadow .25s, border-color .25s;
}
.principle:hover { transform: translateX(6px); box-shadow: var(--shadow-md); border-color: rgba(32, 157, 172, .45); }
.principle-no { flex: none; font-family: var(--serif); font-style: italic; font-size: 34px; line-height: 1; color: var(--teal); min-width: 44px; }
.principle h3 { font-size: 18px; font-weight: 700; color: var(--navy-900); }
.principle p { margin-top: 6px; font-size: 15px; color: var(--fg-2); }

/* ---------- Sistem vitrini ---------- */
.system { background: linear-gradient(180deg, var(--bg), var(--sand)); }
.showcase { display: grid; grid-template-columns: 340px 1fr; gap: 28px; align-items: stretch; }
.showcase-tabs { display: flex; flex-direction: column; gap: 8px; }
.tab {
  position: relative; overflow: hidden; display: flex; align-items: center; gap: 14px; width: 100%;
  padding: 14px 16px; text-align: left; cursor: pointer;
  background: transparent; border: 1px solid transparent; border-radius: 14px; color: var(--fg-2);
  font: inherit; transition: background .2s, border-color .2s, color .2s, box-shadow .2s;
}
.tab:hover { background: rgba(255, 255, 255, .7); }
.tab.is-active { background: var(--card); border-color: var(--line); box-shadow: var(--shadow-sm); color: var(--navy-900); }
.tab-icon { flex: none; display: grid; place-items: center; width: 40px; height: 40px; border-radius: 12px; background: var(--navy-50); color: var(--navy); transition: background .2s, color .2s; }
.tab.is-active .tab-icon { background: var(--teal); color: #fff; }
.tab-icon svg, .role-icon svg, .shield svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.tab-text { display: flex; flex-direction: column; line-height: 1.3; }
.tab-text strong { font-size: 15px; font-weight: 700; }
.tab-text small { font-size: 13px; color: var(--fg-3); }
.tab-bar { position: absolute; left: 0; bottom: 0; height: 3px; width: 100%; background: var(--teal); transform-origin: 0 50%; transform: scaleX(0); }
.tab.is-active .tab-bar { animation: tabbar var(--dur, 6s) linear forwards; }
.showcase.is-paused .tab.is-active .tab-bar { animation-play-state: paused; }
@keyframes tabbar { to { transform: scaleX(1); } }

.showcase-stage {
  position: relative; min-height: 420px; border-radius: 24px; padding: 40px; overflow: hidden;
  background:
    radial-gradient(500px 300px at 100% 0%, rgba(32, 157, 172, .25), transparent 60%),
    linear-gradient(150deg, var(--navy) 0%, var(--navy-900) 100%);
  box-shadow: var(--shadow-lg); color: #fff;
}
.showcase-stage::after {
  content: ""; position: absolute; width: 420px; height: 420px; left: -160px; bottom: -220px; border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, .08); box-shadow: 0 0 0 60px rgba(255, 255, 255, .02); pointer-events: none;
}
.panel { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr 1fr; gap: 36px; align-items: center; height: 100%; }
.panel[hidden] { display: none; }
.panel.is-active .panel-copy { animation: rise .55s ease both; }
.panel.is-active .mock { animation: rise .6s .08s ease both; }
@keyframes rise { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }
.panel-copy h3 { font-size: clamp(22px, 2.2vw, 28px); font-weight: 800; line-height: 1.2; }
.panel-copy p { margin-top: 14px; font-size: 16px; color: rgba(255, 255, 255, .78); }

/* Sahte arayüz parçaları (yalnızca görsel) */
.mock {
  background: #fff; color: var(--fg-1); border-radius: 18px; padding: 22px;
  box-shadow: 0 30px 60px -20px rgba(0, 0, 0, .45); display: grid; gap: 14px;
}
.mock-title { font-size: 12px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--fg-3); }
.sk { display: block; height: 9px; border-radius: 6px; background: linear-gradient(90deg, #E9EDF3, #F4F6F9, #E9EDF3); background-size: 200% 100%; animation: shimmer 2.4s linear infinite; }
b.sk { height: 11px; background-color: #DCE3EC; }
.sk + .sk { margin-top: 7px; }
.w30 { width: 30%; } .w40 { width: 40%; } .w50 { width: 50%; } .w60 { width: 60%; } .w70 { width: 70%; } .w80 { width: 80%; } .w90 { width: 90%; }
@keyframes shimmer { to { background-position: -200% 0; } }
.field small { display: block; font-size: 12px; font-weight: 600; color: var(--fg-3); margin-bottom: 7px; }
.mock-head { display: flex; align-items: center; gap: 12px; }
.mock-head > div { flex: 1; }
.avatar { flex: none; display: grid; place-items: center; width: 46px; height: 46px; border-radius: 50%; background: var(--navy-50); color: var(--navy); font-weight: 800; font-size: 14px; }
.pill { font-size: 12px; font-weight: 700; padding: 5px 10px; border-radius: 999px; white-space: nowrap; }
.pill-teal { background: var(--teal-50); color: var(--teal-600); }
.mock-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; padding: 14px; border-radius: 12px; background: var(--bg); }
.mock-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.mock-tags span, .chip { font-size: 12px; font-weight: 600; padding: 6px 10px; border-radius: 999px; background: var(--navy-50); color: var(--navy); }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { background: #fff; border: 1px solid var(--line); color: var(--fg-3); }
.chip.is-on { background: var(--navy); border-color: var(--navy); color: #fff; }
.mock-foot { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.prio { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 700; color: #B9741A; }
.prio i { width: 10px; height: 10px; border-radius: 50%; background: var(--amber); box-shadow: 0 0 0 0 rgba(243, 176, 67, .6); animation: ping 1.8s infinite; }
@keyframes ping { 70% { box-shadow: 0 0 0 9px rgba(243, 176, 67, 0); } 100% { box-shadow: 0 0 0 0 rgba(243, 176, 67, 0); } }
.btn-mock { font-size: 13px; font-weight: 700; padding: 8px 16px; border-radius: 999px; background: var(--teal); color: #fff; }
.team { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.team li { display: flex; align-items: center; gap: 12px; padding: 12px 14px; border-radius: 12px; background: var(--bg); font-size: 14px; }
.team b { flex: 1; font-weight: 600; color: var(--navy-900); }
.team em { font-family: var(--sans); font-style: normal; font-size: 12px; font-weight: 600; color: var(--fg-3); }
.dot { flex: none; width: 10px; height: 10px; border-radius: 50%; background: #CBD3DF; }
.dot-done { background: var(--teal); }
.dot-live { background: var(--amber); animation: ping 1.8s infinite; }
.mock-chat { background: var(--bg); }
.bubble { max-width: 78%; padding: 12px 14px; border-radius: 14px; background: #fff; box-shadow: var(--shadow-sm); }
.bubble.out { justify-self: end; background: var(--navy); }
.bubble.out .sk { background: rgba(255, 255, 255, .35); }
.bubble { width: 78%; }
.toast { display: flex; align-items: center; gap: 12px; padding: 12px 14px; border-radius: 14px; background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow-md); animation: toast 6s ease-in-out infinite; }
.toast-ic { flex: none; font-size: 11px; font-weight: 800; padding: 6px 8px; border-radius: 8px; background: var(--amber); color: var(--navy-900); }
.toast b { display: block; font-size: 14px; color: var(--navy-900); }
.toast small { font-size: 12px; color: var(--fg-3); }
@keyframes toast { 0%, 15% { opacity: 0; transform: translateY(10px); } 25%, 85% { opacity: 1; transform: none; } 100% { opacity: 0; transform: translateY(10px); } }
.bar { display: grid; grid-template-columns: 70px 1fr; align-items: center; gap: 12px; }
.bar small { font-size: 12px; font-weight: 600; color: var(--fg-3); }
.bar span { display: block; height: 12px; border-radius: 6px; background: linear-gradient(90deg, var(--teal), var(--navy)); width: var(--w); transform-origin: 0 50%; }
.panel.is-active .bar span { animation: grow 1s cubic-bezier(.2, .8, .2, 1) both; }
.panel.is-active .bar:nth-child(3) span { animation-delay: .08s; }
.panel.is-active .bar:nth-child(4) span { animation-delay: .16s; }
.panel.is-active .bar:nth-child(5) span { animation-delay: .24s; }
.panel.is-active .bar:nth-child(6) span { animation-delay: .32s; }
@keyframes grow { from { transform: scaleX(0); } }
.mock-timeline ol { list-style: none; margin: 0; padding: 0 0 0 6px; display: grid; gap: 16px; position: relative; }
.mock-timeline ol::before { content: ""; position: absolute; left: 11px; top: 6px; bottom: 6px; width: 2px; background: var(--line); }
.mock-timeline li { position: relative; display: grid; grid-template-columns: 22px 1fr; column-gap: 12px; row-gap: 6px; align-items: center; }
.mock-timeline li i { grid-row: span 2; width: 12px; height: 12px; border-radius: 50%; background: var(--teal); border: 3px solid #fff; box-shadow: 0 0 0 1px var(--teal); justify-self: center; position: relative; z-index: 1; }
.mock-timeline li b { font-size: 14px; color: var(--navy-900); }
.mock-timeline li.is-now i { background: var(--amber); box-shadow: 0 0 0 1px var(--amber); animation: ping 1.8s infinite; }

/* ---------- Paydaşlar ---------- */
.role-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.role {
  position: relative; overflow: hidden; padding: 28px; border-radius: var(--radius);
  background: var(--card); border: 1px solid var(--line); box-shadow: var(--shadow-sm);
  transition: transform .25s, box-shadow .25s, border-color .25s;
}
.role::before {
  content: ""; position: absolute; width: 180px; height: 180px; right: -70px; top: -70px; border-radius: 50%;
  border: 1px solid rgba(32, 157, 172, .18); box-shadow: 0 0 0 26px rgba(32, 157, 172, .04);
  transition: transform .5s;
}
.role:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: rgba(32, 157, 172, .45); }
.role:hover::before { transform: scale(1.25); }
.role-icon { display: grid; place-items: center; width: 48px; height: 48px; border-radius: 14px; background: var(--navy); color: #fff; margin-bottom: 20px; }
.role-icon svg { width: 22px; height: 22px; }
.role h3 { font-size: 18px; font-weight: 700; color: var(--navy-900); }
.role p { margin-top: 10px; font-size: 15px; color: var(--fg-2); }

/* ---------- Özellikler ---------- */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.feature {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px; box-shadow: var(--shadow-sm);
  transition: transform .25s, box-shadow .25s, border-color .25s;
}
.feature:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--sand-line); }
.feature-icon {
  display: inline-grid; place-items: center; width: 48px; height: 48px; border-radius: 14px;
  background: var(--navy-50); color: var(--navy); margin-bottom: 20px;
  transition: background .25s, color .25s;
}
.feature:hover .feature-icon { background: var(--teal); color: #fff; }
.feature-icon svg, .sec-icon svg {
  width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 1.8;
  stroke-linecap: round; stroke-linejoin: round;
}
.feature h3 { font-size: 19px; font-weight: 700; color: var(--navy-900); }
.feature p { margin-top: 10px; color: var(--fg-2); font-size: 15px; }

/* ---------- Güvenlik ---------- */
.security {
  position: relative; padding: 104px 0; color: #fff; overflow: hidden;
  background:
    radial-gradient(700px 400px at 100% 0%, rgba(32, 157, 172, .28), transparent 60%),
    linear-gradient(160deg, var(--navy) 0%, var(--navy-900) 100%);
}
.security::after {
  content: ""; position: absolute; width: 640px; height: 640px; right: -220px; bottom: -320px;
  border-radius: 50%; border: 1px solid rgba(255, 255, 255, .08);
  box-shadow: 0 0 0 70px rgba(255, 255, 255, .025), 0 0 0 140px rgba(255, 255, 255, .02);
  pointer-events: none;
}
.security-inner { position: relative; z-index: 1; display: grid; grid-template-columns: .9fr 1.1fr; gap: 56px; align-items: center; }
.kicker-light { color: var(--amber-soft); }
.security-copy h2 { color: #fff; }
.security-copy h2 em { color: var(--amber-soft); font-size: 1.1em; }
.security-copy p { margin-top: 18px; color: rgba(255, 255, 255, .78); font-size: 17px; max-width: 460px; }
.security-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.security-list li {
  display: flex; gap: 16px; padding: 22px;
  background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .12);
  border-radius: var(--radius);
  transition: background .25s, border-color .25s;
}
.security-list li:hover { background: rgba(255, 255, 255, .1); border-color: rgba(255, 255, 255, .22); }
.sec-icon {
  flex: none; display: grid; place-items: center; width: 44px; height: 44px; border-radius: 12px;
  background: rgba(243, 176, 67, .16); color: var(--amber-soft);
}
.shield { position: relative; display: grid; place-items: center; width: 96px; height: 96px; margin-top: 36px; border-radius: 50%; background: rgba(243, 176, 67, .14); color: var(--amber-soft); }
.shield svg { width: 40px; height: 40px; stroke-width: 1.6; }
.shield-ring { position: absolute; inset: 0; border-radius: 50%; border: 1px solid rgba(243, 176, 67, .5); animation: pulse-ring 3.2s ease-out infinite; }
.shield-ring.r2 { animation-delay: 1.6s; }
@keyframes pulse-ring { from { transform: scale(1); opacity: .8; } to { transform: scale(1.9); opacity: 0; } }
.security-list h3 { font-size: 16px; font-weight: 700; }
.security-list p { margin-top: 6px; font-size: 14px; color: rgba(255, 255, 255, .72); }

/* ---------- Kurumlar ---------- */
.tenant-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; max-width: 960px; margin: 0 auto; }
.tenant-grid-single { grid-template-columns: 1fr; max-width: 520px; }
.tenant-card {
  display: flex; align-items: center; gap: 18px;
  padding: 24px; border-radius: var(--radius);
  background: var(--card); border: 1px solid var(--line); box-shadow: var(--shadow-sm);
  transition: transform .25s, box-shadow .25s, border-color .25s;
}
a.tenant-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: rgba(32, 157, 172, .5); }
.tenant-seal {
  flex: none; display: grid; place-items: center; width: 56px; height: 56px; border-radius: 16px;
  background: var(--navy-50); color: var(--navy);
}
.tenant-seal img { width: 36px; height: auto; }
.tenant-seal-plus { background: var(--sand); color: var(--teal); }
.tenant-seal-plus svg { width: 24px; height: 24px; }
.tenant-body { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 2px; }
.tenant-name { font-weight: 700; font-size: 17px; color: var(--navy-900); }
.tenant-meta { font-size: 14px; color: var(--fg-3); overflow-wrap: anywhere; }
.tenant-go { flex: none; display: inline-flex; align-items: center; gap: 6px; font-weight: 600; font-size: 15px; color: var(--teal); }
.tenant-go svg { transition: transform .2s; }
.tenant-card:hover .tenant-go svg, .tenant-go:hover svg { transform: translateX(3px); }
.login-section { padding-top: 88px; }

/* ---------- Kapanış sözü ---------- */
.closing { position: relative; overflow: hidden; padding: 112px 0; background: var(--sand); text-align: center; }
.closing::before, .closing::after {
  content: ""; position: absolute; left: 50%; top: 50%; border-radius: 50%; pointer-events: none;
  border: 1px solid rgba(31, 58, 104, .1); transform: translate(-50%, -50%);
}
.closing::before { width: 520px; height: 520px; animation: breathe 7s ease-in-out infinite; }
.closing::after { width: 820px; height: 820px; border-style: dashed; border-color: rgba(32, 157, 172, .22); animation: spin-c 90s linear infinite; }
@keyframes breathe { 50% { transform: translate(-50%, -50%) scale(1.06); } }
@keyframes spin-c { to { transform: translate(-50%, -50%) rotate(360deg); } }
.closing-inner { position: relative; z-index: 1; display: grid; justify-items: center; gap: 22px; }
.closing-logo { width: 72px; height: auto; filter: drop-shadow(0 10px 16px rgba(16, 33, 64, .15)); }
.closing-quote { font-size: clamp(32px, 5vw, 60px); font-weight: 800; line-height: 1.1; letter-spacing: -0.02em; color: var(--navy-900); max-width: 820px; }
.closing-quote em { color: var(--teal); font-size: 1.12em; }

/* ---------- Alt bilgi ---------- */
.site-footer { background: var(--navy-900); color: rgba(255, 255, 255, .72); padding: 56px 0 28px; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 32px; flex-wrap: wrap; }
.footer-brand { display: flex; align-items: center; gap: 12px; color: #fff; }
.footer-logo { width: 44px; height: auto; padding: 5px; background: #fff; border-radius: 12px; box-sizing: content-box; }
.footer-brand strong { font-size: 17px; }
.footer-brand p { font-size: 14px; color: rgba(255, 255, 255, .6); }
.footer-links { display: flex; flex-wrap: wrap; gap: 24px; }
.footer-links a { font-size: 15px; }
.footer-links a:hover { color: #fff; }
.footer-bottom {
  margin-top: 40px; padding-top: 24px; border-top: 1px solid rgba(255, 255, 255, .1);
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 13px; color: rgba(255, 255, 255, .5);
}

/* ---------- Görünür olunca belirme ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }
.no-js .reveal { opacity: 1; transform: none; }

/* ---------- Duyarlı ---------- */
@media (max-width: 1024px) {
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .security-inner { grid-template-columns: 1fr; gap: 40px; }
  .approach-inner { grid-template-columns: 1fr; gap: 40px; }
  .showcase { grid-template-columns: 1fr; }
  .showcase-tabs { flex-direction: row; overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 4px; scrollbar-width: none; }
  .showcase-tabs::-webkit-scrollbar { display: none; }
  .tab { flex: none; width: auto; scroll-snap-align: start; }
  .role-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  :root { --header-h: 64px; }
  .container { padding: 0 16px; }
  .header-inner { gap: 12px; }
  .menu-toggle { display: inline-flex; }
  .header-nav {
    position: fixed; left: 0; right: 0; top: var(--header-h);
    flex-direction: column; gap: 0; margin: 0;
    background: var(--bg); border-bottom: 1px solid var(--line);
    box-shadow: 0 20px 30px -20px rgba(16, 33, 64, .35);
    padding: 8px 16px 16px;
    transform: translateY(-8px); opacity: 0; visibility: hidden;
    transition: opacity .2s, transform .2s, visibility .2s;
  }
  .header-nav.open { transform: none; opacity: 1; visibility: visible; }
  .header-nav a { padding: 14px 4px; border-bottom: 1px solid var(--line); font-size: 16px; }
  .header-nav a:last-child { border-bottom: 0; }
  .header-nav a::after { display: none; }
  .header-actions { margin-left: auto; }

  .hero { padding: 40px 0 64px; }
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { max-width: 400px; margin: 0 auto; width: 100%; }
  .lede { font-size: 17px; }

  .section, .security { padding: 72px 0; }
  .section-head { margin-bottom: 40px; }
  .security-list { grid-template-columns: 1fr; }
  .tenant-grid { grid-template-columns: 1fr; }
  .marquee-track span { font-size: 21px; }
  .showcase-stage { padding: 24px; min-height: 0; border-radius: 20px; }
  .panel { grid-template-columns: 1fr; gap: 24px; }
  .tab-text small { display: none; }
  .closing { padding: 80px 0; }
  .closing::before { width: 340px; height: 340px; }
  .closing::after { width: 560px; height: 560px; }
  .login-section { padding-top: 64px; }
}

@media (max-width: 480px) {
  .brand-sub { display: none; }
  .brand-name { font-size: 17px; }
  .header-actions .btn { padding: 0 14px; height: 40px; font-size: 14px; }
  .header-actions .btn svg { display: none; }
  .hero-actions .btn { width: 100%; }  .feature-grid { grid-template-columns: 1fr; }
  .feature { padding: 24px; }
  .tenant-card { flex-wrap: wrap; }
  .tenant-go { width: 100%; justify-content: flex-end; }
  .role-grid { grid-template-columns: 1fr; }
  .principle { padding: 20px; gap: 14px; }
  .mock { padding: 16px; }
  .mock-grid { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
  .tab-bar { display: none; }
  .marquee-track { flex-wrap: wrap; width: auto; justify-content: center; }
}