/* FELT — indirme sayfası */

@font-face {
  font-family: "Inter";
  src: url("../fonts/Inter_400Regular.ttf") format("truetype");
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: "Inter";
  src: url("../fonts/Inter_500Medium.ttf") format("truetype");
  font-weight: 500;
  font-display: swap;
}
@font-face {
  font-family: "Inter";
  src: url("../fonts/Inter_600SemiBold.ttf") format("truetype");
  font-weight: 600;
  font-display: swap;
}
@font-face {
  font-family: "Inter";
  src: url("../fonts/Inter_700Bold.ttf") format("truetype");
  font-weight: 700;
  font-display: swap;
}
@font-face {
  font-family: "Sora";
  src: url("../fonts/Sora_600SemiBold.ttf") format("truetype");
  font-weight: 600;
  font-display: swap;
}
@font-face {
  font-family: "Sora";
  src: url("../fonts/Sora_700Bold.ttf") format("truetype");
  font-weight: 700;
  font-display: swap;
}

:root {
  /* Uygulamanın paletinden: çuha yeşilleri, marka yeşili, altın aksan. */
  --bg: #0b0f0d;
  --bg-raised: #111814;
  --surface: #141d18;
  --felt-deep: #0c2a1b;
  --felt: #114a2e;
  --brand: #094b2d;
  --primary: #2fbf73;
  --primary-strong: #1f9e5e;
  --on-primary: #06110b;
  --gold: #e9b949;
  --text: #eef3ef;
  --text-muted: #a3b5aa;
  --text-faint: #6f8377;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);

  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 24px;

  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-head: "Sora", "Inter", system-ui, sans-serif;

  --container: 1120px;
  --gutter: clamp(16px, 4vw, 32px);

  color-scheme: dark;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
}

h1,
h2,
h3 {
  font-family: var(--font-head);
  line-height: 1.15;
  margin: 0;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

p {
  margin: 0;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.narrow {
  max-width: 780px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 8px;
  background: var(--primary);
  color: var(--on-primary);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  z-index: 100;
}

.skip-link:focus {
  left: 8px;
}

:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
  border-radius: 6px;
}

.eyebrow {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--primary);
}

.accent {
  color: var(--primary);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  padding-top: env(safe-area-inset-top, 0px);
  background: rgba(11, 15, 13, 0.78);
  backdrop-filter: saturate(140%) blur(12px);
  -webkit-backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  gap: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.brand img:first-child {
  width: 26px;
  height: auto;
}

.brand-wordmark {
  width: 84px;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.header-nav a {
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  padding: 8px 12px;
  border-radius: 999px;
  transition: color 0.2s, background 0.2s;
}

.header-nav a:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
}

.header-nav .header-cta {
  color: var(--on-primary);
  background: var(--primary);
  font-weight: 600;
  margin-left: 6px;
}

.header-nav .header-cta:hover {
  color: var(--on-primary);
  background: #45d185;
}

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

.hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(48px, 9vw, 104px) clamp(56px, 9vw, 112px);
  background:
    radial-gradient(1000px 600px at 78% 40%, rgba(31, 158, 94, 0.22), transparent 60%),
    radial-gradient(700px 500px at 10% 0%, rgba(9, 75, 45, 0.45), transparent 70%),
    var(--bg);
  scroll-margin-top: 64px;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: clamp(32px, 6vw, 72px);
}

.hero-copy h1 {
  font-size: clamp(38px, 6vw, 64px);
  margin-top: 14px;
}

.lead {
  margin-top: 22px;
  font-size: clamp(17px, 1.6vw, 19px);
  color: var(--text-muted);
  max-width: 34em;
}

.store-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.store-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-height: 60px;
  padding: 10px 22px 10px 18px;
  border-radius: 14px;
  border: 1px solid var(--border-strong);
  background: #050806;
  color: var(--text);
  text-decoration: none;
  transition: transform 0.2s, border-color 0.2s, background 0.2s;
}

.store-btn:hover {
  transform: translateY(-2px);
  border-color: rgba(47, 191, 115, 0.6);
}

.store-btn.is-recommended {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--on-primary);
}

.store-btn.is-recommended:hover {
  background: #45d185;
}

.store-btn[aria-disabled="true"] {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}

.store-icon {
  width: 26px;
  height: 26px;
  flex-shrink: 0;
}

.store-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.store-text small {
  font-size: 12px;
  opacity: 0.8;
}

.store-text strong {
  font-size: 17px;
  font-weight: 600;
}

.store-note {
  margin-top: 14px;
  font-size: 14px;
  color: var(--text-muted);
}

.store-note a {
  color: var(--primary);
}

.hero-meta {
  margin-top: 18px;
  font-size: 14px;
  color: var(--text-faint);
}

.hero-visual {
  position: relative;
  display: grid;
  place-items: center;
}

.felt-glow {
  position: absolute;
  inset: 12% 8% 4%;
  border-radius: 50%;
  background: radial-gradient(closest-side, rgba(31, 158, 94, 0.35), transparent);
  filter: blur(20px);
}

.hero-visual img {
  position: relative;
  width: min(100%, 460px);
  animation: float 7s ease-in-out infinite;
}

.hero-chip {
  position: absolute;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  background: rgba(17, 24, 20, 0.9);
  border: 1px solid var(--border-strong);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
}

.hero-chip span {
  color: var(--text-muted);
  font-weight: 500;
}

.hero-chip--pot {
  left: 2%;
  bottom: 18%;
  color: var(--gold);
}

.hero-chip--answer {
  right: 0;
  top: 14%;
}

.hero-chip .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 0 4px rgba(47, 191, 115, 0.2);
}

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

/* ---------- Sections ---------- */

.section {
  padding-block: clamp(64px, 9vw, 112px);
  scroll-margin-top: 64px;
}

.section--felt {
  background:
    radial-gradient(900px 420px at 50% 0%, rgba(31, 158, 94, 0.18), transparent 70%),
    linear-gradient(180deg, var(--felt-deep), var(--bg));
  border-block: 1px solid var(--border);
}

.section-head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto clamp(36px, 5vw, 56px);
}

.section-head h2 {
  margin-top: 12px;
  font-size: clamp(28px, 4vw, 40px);
}

.section-lead {
  margin-top: 14px;
  color: var(--text-muted);
  font-size: 17px;
}

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

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.feature {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 26px 30px;
  transition: border-color 0.2s, transform 0.2s;
}

.feature:hover {
  border-color: rgba(47, 191, 115, 0.35);
  transform: translateY(-3px);
}

/* Görsellerin oranları farklı: sabit yükseklik, başlıklar aynı hizada başlasın. */
.feature img {
  width: auto;
  max-width: 132px;
  height: 104px;
  object-fit: contain;
  object-position: left center;
  margin-bottom: 18px;
}

.feature h3 {
  font-size: 19px;
}

.feature p {
  margin-top: 10px;
  color: var(--text-muted);
  font-size: 15px;
}

/* ---------- Steps ---------- */

.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  counter-reset: none;
}

.step {
  position: relative;
  padding: 30px 26px;
  border-radius: var(--radius-lg);
  background: rgba(8, 20, 14, 0.6);
  border: 1px solid var(--border);
}

.step-no {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--on-primary);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 18px;
  margin-bottom: 18px;
}

.step h3 {
  font-size: 19px;
}

.step p {
  margin-top: 10px;
  color: var(--text-muted);
  font-size: 15px;
}

/* ---------- BB band ---------- */

.bb-band {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: clamp(24px, 5vw, 56px);
  background:
    radial-gradient(500px 300px at 0% 50%, rgba(233, 185, 73, 0.12), transparent 70%),
    var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 28px;
  padding: clamp(28px, 5vw, 48px);
}

.bb-band img {
  width: clamp(140px, 18vw, 200px);
}

.bb-band .eyebrow {
  color: var(--gold);
}

.bb-band h2 {
  margin-top: 10px;
  font-size: clamp(24px, 3.2vw, 32px);
}

.bb-band p:last-child {
  margin-top: 14px;
  color: var(--text-muted);
  max-width: 40em;
}

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

.faq {
  display: grid;
  gap: 12px;
}

.faq details {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0 22px;
}

.faq details[open] {
  border-color: rgba(47, 191, 115, 0.35);
}

.faq summary {
  list-style: none;
  cursor: pointer;
  padding: 20px 32px 20px 0;
  font-weight: 600;
  font-size: 16px;
  position: relative;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary::after {
  content: "";
  position: absolute;
  right: 4px;
  top: 50%;
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--text-muted);
  border-bottom: 2px solid var(--text-muted);
  transform: translateY(-70%) rotate(45deg);
  transition: transform 0.2s;
}

.faq details[open] summary::after {
  transform: translateY(-30%) rotate(-135deg);
}

.faq details p {
  padding-bottom: 20px;
  color: var(--text-muted);
  font-size: 15px;
}

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

.final-cta {
  text-align: center;
  padding: clamp(40px, 7vw, 72px) var(--gutter);
  border-radius: 32px;
  background:
    radial-gradient(600px 300px at 50% 0%, rgba(47, 191, 115, 0.28), transparent 70%),
    linear-gradient(180deg, var(--felt), var(--felt-deep));
  border: 1px solid rgba(47, 191, 115, 0.25);
}

.final-cta img {
  margin: 0 auto 18px;
  width: 40px;
}

.final-cta h2 {
  font-size: clamp(26px, 4vw, 40px);
  max-width: 18em;
  margin-inline: auto;
}

.final-cta p {
  margin-top: 12px;
  color: var(--text-muted);
}

.btn-primary {
  display: inline-block;
  margin-top: 26px;
  padding: 15px 30px;
  border-radius: 999px;
  background: var(--primary);
  color: var(--on-primary);
  font-weight: 700;
  text-decoration: none;
  transition: transform 0.2s, background 0.2s;
}

.btn-primary:hover {
  background: #45d185;
  transform: translateY(-2px);
}

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

.site-footer {
  border-top: 1px solid var(--border);
  padding-block: 32px calc(32px + env(safe-area-inset-bottom, 0px));
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-brand img {
  width: 72px;
}

.footer-brand p {
  font-size: 14px;
  color: var(--text-faint);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-links a {
  font-size: 14px;
  color: var(--text-muted);
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--text);
}

[hidden] {
  display: none !important;
}

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

@media (max-width: 960px) {
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .lead {
    margin-inline: auto;
  }

  .store-buttons {
    justify-content: center;
  }

  .hero-visual {
    order: -1;
  }

  .hero-visual img {
    width: min(70%, 320px);
  }

  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .steps {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .header-nav a:not(.header-cta) {
    display: none;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }

  .bb-band {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .bb-band img {
    margin-inline: auto;
  }

  .store-btn {
    width: 100%;
    justify-content: center;
  }

  .hero-chip {
    font-size: 12px;
    padding: 8px 12px;
  }

  .hero-chip--pot {
    left: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .hero-visual img {
    animation: none;
  }

  .store-btn,
  .feature,
  .btn-primary {
    transition: none;
  }
}