/* ==========================================================================
   Seyra — Tanıtım Sitesi
   Design tokens + global styles
   ========================================================================== */

:root {
  --color-primary: #195FFB;
  --color-primary-dark: #0F3FC4;
  --color-primary-light: #E8EFFF;
  --color-accent: #FF8A3D;
  --color-accent-dark: #E56F1F;

  --color-ink: #0E1A2B;
  --color-ink-soft: #4A5568;
  --color-ink-faint: #7C8898;

  --color-bg: #FFFFFF;
  --color-bg-soft: #F6F8FC;
  --color-bg-trust: #0E1A2B;
  --color-border: #E7ECF4;

  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 28px;
  --radius-pill: 999px;

  --shadow-sm: 0 2px 8px rgba(14, 26, 43, 0.06);
  --shadow-md: 0 12px 32px rgba(14, 26, 43, 0.10);
  --shadow-lg: 0 24px 64px rgba(14, 26, 43, 0.14);
  --shadow-glow: 0 8px 24px rgba(25, 95, 251, 0.25);

  --container: 1160px;
  --transition: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-ink);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
}

img { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 { line-height: 1.15; margin: 0 0 0.5em; font-weight: 800; letter-spacing: -0.02em; }
p { margin: 0 0 1em; color: var(--color-ink-soft); }

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

section { position: relative; }

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 15px 30px;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 16px;
  border: none;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow-glow);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(25, 95, 251, 0.35); }

.btn-ghost {
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-border);
}
.btn-ghost:hover { border-color: var(--color-primary); background: var(--color-primary-light); }

.btn-light {
  background: #fff;
  color: var(--color-primary);
}
.btn-light:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.site-header.is-scrolled {
  border-bottom-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 20px;
  color: var(--color-ink);
}
.brand img { width: 36px; height: 36px; border-radius: 9px; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-links a:not(.btn) {
  font-weight: 600;
  font-size: 15px;
  color: var(--color-ink-soft);
  transition: color var(--transition);
}
.nav-links a:not(.btn):hover { color: var(--color-primary); }

.nav-cta { display: flex; align-items: center; gap: 14px; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-ink);
  margin: 5px 0;
  transition: transform var(--transition), opacity var(--transition);
}

/* ---------- Hero ---------- */

.hero {
  padding: 72px 0 96px;
  background:
    radial-gradient(760px 420px at 85% -10%, rgba(25,95,251,0.10), transparent 60%),
    radial-gradient(600px 400px at 5% 10%, rgba(255,138,61,0.08), transparent 60%),
    var(--color-bg);
  overflow: hidden;
}

.hero .container {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-weight: 700;
  font-size: 13px;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  margin-bottom: 20px;
}
.eyebrow .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--color-accent);
}

.hero h1 {
  font-size: clamp(32px, 4.4vw, 52px);
  margin-bottom: 20px;
}
.hero h1 .accent { color: var(--color-primary); }

.hero .lead {
  font-size: 18px;
  max-width: 480px;
  margin-bottom: 32px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.badge-soon {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 18px;
  border-radius: var(--radius-pill);
  border: 1.5px solid var(--color-border);
  background: #fff;
  font-weight: 700;
  font-size: 14px;
  color: var(--color-ink-soft);
  box-shadow: var(--shadow-sm);
}
.badge-soon svg { width: 20px; height: 20px; flex-shrink: 0; }

.hero-trust-row {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--color-ink-faint);
  font-weight: 600;
}
.hero-trust-row span { display: inline-flex; align-items: center; gap: 6px; }

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
}

.phone-frame {
  position: relative;
  width: min(300px, 80vw);
  aspect-ratio: 9 / 18.5;
  border-radius: 44px;
  background: linear-gradient(160deg, #101B2E, #1B2A46);
  padding: 14px;
  box-shadow: var(--shadow-lg);
}
.phone-screen {
  width: 100%;
  height: 100%;
  border-radius: 32px;
  background: linear-gradient(165deg, var(--color-primary-light), #fff 55%);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}
.phone-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: var(--color-primary);
  text-align: center;
  padding: 24px;
}
.phone-placeholder svg { width: 56px; height: 56px; opacity: 0.55; }
.phone-placeholder span { font-size: 12px; font-weight: 700; color: var(--color-ink-faint); }

.float-card {
  position: absolute;
  background: #fff;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 13px;
  animation: float 5s ease-in-out infinite;
}
.float-card.card-1 { top: 8%; left: -8%; animation-delay: 0s; }
.float-card.card-2 { bottom: 12%; right: -10%; animation-delay: 1.2s; }
.float-card .ico {
  width: 30px; height: 30px; border-radius: 9px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.float-card.card-1 .ico { background: var(--color-primary-light); color: var(--color-primary); }
.float-card.card-2 .ico { background: #FFF1E6; color: var(--color-accent); }
.float-card .ico svg { width: 17px; height: 17px; }

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* ---------- Section shells ---------- */

.section-head {
  max-width: 640px;
  margin: 0 auto 56px;
  text-align: center;
}
.section-head h2 {
  font-size: clamp(26px, 3.2vw, 38px);
}
.section-head p { font-size: 17px; }

.section-tag {
  display: inline-block;
  color: var(--color-primary);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 14px;
}

/* ---------- Features ---------- */

.features { padding: 100px 0; background: var(--color-bg-soft); }

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: #fff;
  border-radius: var(--radius-md);
  padding: 32px 28px;
  border: 1px solid var(--color-border);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}

.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.feature-icon svg { width: 26px; height: 26px; }
.feature-card:nth-child(3n+2) .feature-icon { background: #FFF1E6; color: var(--color-accent); }

.feature-card h3 { font-size: 19px; margin-bottom: 8px; }
.feature-card p { font-size: 15px; margin-bottom: 0; }

/* ---------- Trust section ---------- */

.trust {
  padding: 110px 0;
  background: var(--color-bg-trust);
  color: #fff;
  overflow: hidden;
  position: relative;
}
.trust::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(700px 400px at 90% 0%, rgba(25,95,251,0.35), transparent 60%),
    radial-gradient(500px 350px at 5% 100%, rgba(255,138,61,0.18), transparent 60%);
  pointer-events: none;
}

.trust .container {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.trust-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.16);
  color: #fff;
  font-weight: 700;
  font-size: 13px;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  margin-bottom: 20px;
}

.trust h2 {
  font-size: clamp(26px, 3.4vw, 36px);
  color: #fff;
}
.trust .lead { color: rgba(255,255,255,0.72); font-size: 17px; max-width: 480px; }

.trust-points {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.trust-points li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  color: rgba(255,255,255,0.85);
  font-size: 15px;
  font-weight: 600;
}
.trust-points .check {
  flex-shrink: 0;
  width: 24px; height: 24px;
  border-radius: 50%;
  background: rgba(25,95,251,0.25);
  color: #6EA0FF;
  display: flex; align-items: center; justify-content: center;
}
.trust-points .check svg { width: 14px; height: 14px; }

.trust-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: var(--radius-lg);
  padding: 40px;
  backdrop-filter: blur(6px);
}
.trust-flow {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.trust-flow-step {
  display: flex;
  gap: 16px;
  padding: 18px 0;
}
.trust-flow-step:not(:last-child) {
  border-bottom: 1px dashed rgba(255,255,255,0.14);
}
.trust-flow-num {
  width: 34px; height: 34px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-weight: 800;
  font-size: 14px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.trust-flow-step strong { display: block; color: #fff; font-size: 15px; margin-bottom: 4px; }
.trust-flow-step span { color: rgba(255,255,255,0.65); font-size: 13.5px; }

.compliance-badges {
  display: flex;
  gap: 12px;
  margin-top: 28px;
  flex-wrap: wrap;
}
.compliance-badges span {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.18);
  color: #fff;
  font-weight: 700;
  font-size: 12.5px;
  padding: 8px 14px;
  border-radius: var(--radius-pill);
}

/* ---------- How it works ---------- */

.how { padding: 100px 0; }

.how-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  position: relative;
}

.how-step {
  text-align: center;
  padding: 0 12px;
}
.how-step-num {
  width: 60px; height: 60px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-weight: 800;
  font-size: 22px;
  display: flex; align-items: center; justify-content: center;
  border: 2px solid #fff;
  box-shadow: var(--shadow-sm);
}
.how-step h3 { font-size: 18px; }
.how-step p { font-size: 14.5px; max-width: 280px; margin: 0 auto; }

/* ---------- FAQ ---------- */

.faq { padding: 100px 0; background: var(--color-bg-soft); }

.faq-list { max-width: 780px; margin: 0 auto; }

.faq-item {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  overflow: hidden;
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  background: none;
  border: none;
  text-align: left;
  font-size: 16px;
  font-weight: 700;
  color: var(--color-ink);
  cursor: pointer;
}
.faq-question .plus {
  flex-shrink: 0;
  width: 26px; height: 26px;
  border-radius: 50%;
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex; align-items: center; justify-content: center;
  transition: transform var(--transition), background var(--transition), color var(--transition);
}
.faq-question .plus svg { width: 14px; height: 14px; }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition), padding var(--transition);
  padding: 0 24px;
}
.faq-answer p { font-size: 15px; margin: 0 0 20px; }

.faq-item.is-open .faq-question .plus {
  transform: rotate(45deg);
  background: var(--color-primary);
  color: #fff;
}
.faq-item.is-open .faq-answer { max-height: 260px; }

.faq-answer strong.no { color: var(--color-primary); }

/* ---------- Final CTA ---------- */

.cta-final {
  padding: 90px 0;
  background: linear-gradient(135deg, var(--color-primary), #3E7AFF);
  color: #fff;
  text-align: center;
  border-radius: var(--radius-lg);
  margin: 0 24px;
  max-width: calc(var(--container) - 48px);
  margin-inline: auto;
}
.cta-final h2 { color: #fff; font-size: clamp(26px, 3.4vw, 38px); margin-bottom: 12px; }
.cta-final p { color: rgba(255,255,255,0.85); font-size: 17px; margin-bottom: 32px; }
.cta-final .hero-actions { justify-content: center; }
.cta-final .badge-soon { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.24); color: #fff; }

/* ---------- Footer ---------- */

.site-footer {
  padding: 64px 0 32px;
  background: var(--color-bg-trust);
  color: rgba(255,255,255,0.6);
}
.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand .brand { color: #fff; margin-bottom: 12px; }
.footer-brand p { color: rgba(255,255,255,0.55); font-size: 14px; max-width: 300px; }
.footer-col h4 { color: #fff; font-size: 14px; margin-bottom: 16px; }
.footer-col ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.footer-col a { font-size: 14px; color: rgba(255,255,255,0.55); transition: color var(--transition); }
.footer-col a:hover { color: #fff; }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  font-size: 13px;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- Scroll reveal ---------- */

[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.16,1,0.3,1), transform 0.7s cubic-bezier(0.16,1,0.3,1);
}
[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Privacy page ---------- */

.legal-page { padding: 48px 0 100px; }
.legal-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 56px;
  align-items: start;
}
.legal-toc {
  position: sticky;
  top: 100px;
  background: var(--color-bg-soft);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
}
.legal-toc h4 { font-size: 13px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--color-ink-faint); margin-bottom: 14px; }
.legal-toc ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.legal-toc a { font-size: 14px; font-weight: 600; color: var(--color-ink-soft); }
.legal-toc a:hover { color: var(--color-primary); }
.legal-toc .toc-lang { font-size: 11px; text-transform: uppercase; color: var(--color-primary); font-weight: 800; margin-top: 4px; }

.legal-content h1 { font-size: 32px; margin-bottom: 8px; }
.legal-content .legal-updated { color: var(--color-ink-faint); font-size: 14px; margin-bottom: 40px; }
.legal-content .lang-block { margin-bottom: 64px; }
.legal-content .lang-flag {
  display: inline-flex; align-items: center; gap: 8px;
  font-weight: 800; font-size: 13px; color: var(--color-primary);
  background: var(--color-primary-light);
  padding: 6px 14px; border-radius: var(--radius-pill);
  margin-bottom: 24px;
}
.legal-content h2 { font-size: 20px; margin-top: 36px; scroll-margin-top: 100px; }
.legal-content ul { padding-left: 20px; color: var(--color-ink-soft); }
.legal-content li { margin-bottom: 6px; }
.legal-content p { font-size: 15.5px; }

/* ---------- Responsive ---------- */

@media (max-width: 960px) {
  .hero .container { grid-template-columns: 1fr; }
  .hero-visual { order: -1; margin-bottom: 12px; }
  .phone-frame { width: 220px; }
  .float-card.card-1 { left: 2%; }
  .float-card.card-2 { right: 2%; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .trust .container { grid-template-columns: 1fr; }
  .how-steps { grid-template-columns: 1fr; gap: 40px; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .legal-layout { grid-template-columns: 1fr; }
  .legal-toc { position: static; }
}

@media (max-width: 720px) {
  .nav-links, .nav-cta .btn-ghost { display: none; }
  .nav-toggle { display: block; }
  .feature-grid { grid-template-columns: 1fr; }
  .hero { padding: 48px 0 64px; }
  .cta-final { margin: 0 12px; padding: 56px 20px; }
}