/* Kibu homepage shared styles — EN (/) ve TR (/tr/) sayfaları
   aynı dosyayı kullanır. Legal sayfalar /styles.css'i kullanmaya
   devam eder. */

/* ---------- Globals ---------- */
/* PERF/UX: Eski styles.css home sayfada artık çağrılmıyor; eksik
   kalan global font + box-sizing buraya alındı. Yoksa browser default
   serif font (Times) çıkıyordu. System font stack — performant ve
   her platformda native his. */
* { box-sizing: border-box; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  color: #2d2a26;
  line-height: 1.6;
}

:root {
  --kibu-primary: #185FA5;
  --kibu-primary-dark: #0C447C;
  --kibu-primary-bg: #E6F1FB;
  --kibu-cream: #FAEEDA;
  --kibu-warm-bg: #F8F6F0;
  --kibu-text: #2C2C2A;
  --kibu-text-secondary: #756F66;
  --kibu-border: #DED8CC;
  --kibu-success: #1D9E75;
}

body.home {
  margin: 0;
}

.home main {
  width: 100%;
  max-width: none;
  margin: 0;
  padding: 0;
}

/* ---------- Dil seçici (sağ üst, sticky bar) ---------- */
/* Sticky değil — sayfa üstünde, hero'nun üstünde duran ince şerit.
   Mobilde de görünür (40px yükseklik) ki kullanıcı her zaman dil
   geçişi yapabilsin. */
.lang-bar {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: #fff;
  border-bottom: 1px solid var(--kibu-border);
  font-size: 13px;
}
.lang-bar a {
  color: var(--kibu-text-secondary);
  text-decoration: none;
  padding: 4px 10px;
  border-radius: 999px;
  font-weight: 600;
}
.lang-bar a.active {
  background: var(--kibu-primary-bg);
  color: var(--kibu-primary-dark);
}
.lang-bar a:not(.active):hover {
  color: var(--kibu-primary);
}

/* ---------- Yumuşak dil önerisi banner'ı ---------- */
/* Tarayıcı dili TR ama kullanıcı EN sayfada (veya tersi) → sıcak
   bir "Türkçe sürüm var" önerisi. JS ile gösterilir, kullanıcı
   reddedip kapatabilir. localStorage'da dismiss kaydı tutulur ki
   her ziyarette tekrar görünmesin. */
.lang-suggest {
  display: none;
  background: var(--kibu-primary-bg);
  color: var(--kibu-primary-dark);
  padding: 12px 16px;
  text-align: center;
  font-size: 14px;
  border-bottom: 1px solid var(--kibu-border);
}
.lang-suggest.show { display: block; }
.lang-suggest a {
  color: var(--kibu-primary-dark);
  font-weight: 700;
  margin: 0 12px;
}
.lang-suggest button {
  background: none;
  border: 0;
  color: var(--kibu-text-secondary);
  font-size: 18px;
  cursor: pointer;
  padding: 0 8px;
  line-height: 1;
}

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(180deg, var(--kibu-primary-bg) 0%, var(--kibu-warm-bg) 100%);
  padding: 72px 24px 56px;
  text-align: center;
}
.hero-inner {
  max-width: 720px;
  margin: 0 auto;
}
.hero-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 132px;
  height: 132px;
  background: var(--kibu-cream);
  border-radius: 50%;
  margin-bottom: 22px;
  padding: 10px;
  box-shadow: 0 14px 36px rgba(24, 95, 165, 0.18);
}
.hero-mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}
.hero h1 {
  font-size: 44px;
  margin: 0 0 14px;
  color: var(--kibu-primary-dark);
  letter-spacing: -0.5px;
}
.hero .tagline {
  font-size: 20px;
  color: var(--kibu-text);
  margin: 0 0 12px;
  font-weight: 500;
}
.hero .sub {
  font-size: 16px;
  color: var(--kibu-text-secondary);
  max-width: 560px;
  margin: 0 auto 32px;
  line-height: 1.55;
}
.badges {
  display: inline-flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 18px;
  background: #fff;
  border: 1px solid var(--kibu-border);
  border-radius: 12px;
  color: var(--kibu-text);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
}
.badge .store {
  font-size: 11px;
  color: var(--kibu-text-secondary);
  font-weight: 500;
}
.badge .name {
  font-size: 15px;
}
.badge.coming {
  opacity: 0.85;
}
/* Aktif (linkli) badge — hover'da hafif kalkar, indir/tıkla davetiyesi. */
a.badge {
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
a.badge:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}
.badge .pill {
  margin-left: 4px;
  font-size: 10px;
  background: var(--kibu-primary-bg);
  color: var(--kibu-primary-dark);
  padding: 2px 8px;
  border-radius: 999px;
  font-weight: 700;
  letter-spacing: 0.3px;
}

/* ---------- Video showcase ---------- */
/* YouTube Shorts embed — dikey 9:16. Firebase Hosting bandwidth'i
   tasarrufu için YouTube'a taşındı (Spark planı 10GB/ay limiti).
   Otomatik kalite uyarlama (3G'de düşük, fibre'de HD) bonus. */
.video-section {
  background: var(--kibu-warm-bg);
  padding: 0 24px 64px;
}
.video-wrap {
  max-width: 400px;
  margin: 0 auto;
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 16px 48px rgba(24, 95, 165, 0.18);
  background: #000;
  aspect-ratio: 9 / 16;
}
.video-wrap iframe {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}

/* ---------- Screen showcase ---------- */
/* Telefon mockup'lı SS — solda metin, sağda görsel alternate.
   Görsel zaten mockup içeriyor (Play Store feature görselleri),
   bu yüzden ekstra çerçeve eklemiyoruz. */
.screens {
  background: #fff;
}
.screens .block-inner {
  max-width: 1080px;
}
.screen-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  margin-top: 56px;
}
.screen-row:first-of-type {
  margin-top: 32px;
}
.screen-row.flip .screen-text {
  order: 2;
}
.screen-row.flip .screen-media {
  order: 1;
}
.screen-text .eyebrow {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 1.5px;
  font-weight: 700;
  color: var(--kibu-primary);
  text-transform: uppercase;
  margin-bottom: 10px;
}
.screen-text h3 {
  font-size: 26px;
  margin: 0 0 12px;
  color: var(--kibu-primary-dark);
  line-height: 1.25;
  letter-spacing: -0.3px;
}
.screen-text p {
  font-size: 16px;
  line-height: 1.65;
  color: var(--kibu-text);
  margin: 0;
}
.screen-media img {
  width: 100%;
  max-width: 420px;
  height: auto;
  display: block;
  margin: 0 auto;
  border-radius: 18px;
}
@media (max-width: 720px) {
  .screen-row,
  .screen-row.flip {
    grid-template-columns: 1fr;
    gap: 20px;
    margin-top: 40px;
  }
  .screen-row.flip .screen-text,
  .screen-row.flip .screen-media {
    order: initial;
  }
  .screen-text h3 { font-size: 22px; }
  .screen-media img { max-width: 320px; }
}

/* ---------- Social (Instagram) ---------- */
.social-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 28px;
}
.social-grid a {
  display: block;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--kibu-border);
  background: #fff;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.social-grid a:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(24, 95, 165, 0.14);
}
.social-grid img {
  width: 100%;
  height: auto;
  display: block;
}
.social-cta {
  text-align: center;
  margin-top: 28px;
}
.social-cta a {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 22px;
  background: var(--kibu-primary);
  color: #fff;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
}
.social-cta a:hover {
  background: var(--kibu-primary-dark);
}

/* ---------- Sections ---------- */
.home section.block {
  max-width: 960px;
  margin: 0 auto;
  padding: 56px 24px;
  background: transparent;
  border: 0;
}
.home section.block.alt {
  background: var(--kibu-cream);
  max-width: none;
  padding-left: 24px;
  padding-right: 24px;
}
.block-inner {
  max-width: 960px;
  margin: 0 auto;
}
.home h2 {
  font-size: 28px;
  margin: 0 0 16px;
  color: var(--kibu-primary-dark);
}
.lead {
  font-size: 17px;
  line-height: 1.7;
  max-width: 720px;
  color: var(--kibu-text);
}

/* ---------- Feature grid ---------- */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
  margin-top: 28px;
}
.feature {
  background: #fff;
  border: 1px solid var(--kibu-border);
  border-radius: 16px;
  padding: 20px;
}
.feature .ico {
  width: 40px;
  height: 40px;
  background: var(--kibu-primary-bg);
  color: var(--kibu-primary);
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
}
.feature h3 {
  margin: 0 0 6px;
  font-size: 16px;
  color: var(--kibu-primary-dark);
}
.feature p {
  margin: 0;
  font-size: 14px;
  color: var(--kibu-text-secondary);
  line-height: 1.55;
}

/* ---------- For whom chips ---------- */
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}
.chip {
  background: #fff;
  border: 1px solid var(--kibu-border);
  border-radius: 999px;
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--kibu-text);
}

/* ---------- Trust / Privacy ---------- */
.trust-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin-top: 24px;
}
.trust {
  background: #fff;
  border-radius: 14px;
  padding: 16px;
  border: 1px solid var(--kibu-border);
}
.trust strong {
  display: block;
  margin-bottom: 4px;
  color: var(--kibu-primary-dark);
}
.trust span {
  font-size: 13px;
  color: var(--kibu-text-secondary);
  line-height: 1.5;
}

/* ---------- Medical disclaimer card ---------- */
.notice {
  background: #fff;
  border: 1px solid var(--kibu-border);
  border-radius: 16px;
  padding: 22px;
  margin-top: 28px;
  border-left: 4px solid var(--kibu-primary);
}
.notice h3 {
  margin: 0 0 10px;
  font-size: 16px;
  color: var(--kibu-primary-dark);
}
.notice p {
  margin: 0 0 8px;
  font-size: 14px;
  color: var(--kibu-text);
  line-height: 1.6;
}
.notice p:last-child {
  margin-bottom: 0;
}

/* ---------- Legal hub ---------- */
/* Legal nav linkleri "buton" görünümlü. Eski styles.css'te global
   nav a selector'undan geliyordu; bu dosyaya yalnız .legal-hub için
   scope edip taşıdık ki diğer nav'lara (lang-bar) bulaşmasın. */
.legal-hub nav {
  margin: 24px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.legal-hub nav a {
  display: inline-block;
  padding: 10px 14px;
  border: 1px solid var(--kibu-border);
  border-radius: 10px;
  background: #fff;
  color: var(--kibu-primary);
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
}
.legal-hub nav a:hover {
  background: var(--kibu-primary-bg);
  color: var(--kibu-primary-dark);
}

/* ---------- Footer ---------- */
footer.home-footer {
  background: var(--kibu-primary-dark);
  color: #fff;
  padding: 40px 24px 32px;
  text-align: center;
}
footer.home-footer a {
  color: #fff;
  text-decoration: underline;
}
footer.home-footer .addr {
  opacity: 0.85;
  font-size: 14px;
  line-height: 1.7;
  margin: 12px 0;
}
footer.home-footer .copyright {
  opacity: 0.6;
  font-size: 12px;
  margin-top: 18px;
}

@media (max-width: 540px) {
  .hero { padding: 56px 20px 48px; }
  .hero h1 { font-size: 34px; }
  .hero .tagline { font-size: 17px; }
  .home section.block { padding: 40px 20px; }
  .home h2 { font-size: 22px; }
}