/* ============================================================
   Dt. Neriman Sendilmen - Luxury Dental Clinic
   Custom styles layered on Tailwind CDN
   ============================================================ */

:root {
  --ink: #2B2218;
  --gold: #B4928F;
  --gold-light: #D4B5B2;
  --gold-dark: #73524F;
  --cream: #FAF6EF;
  --cream-deep: #F0E8D8;
  --slate: #2B2218;
  --muted: #6B5F54;
  --white-warm: #FFFFFF;
}

/* ---------- Base ---------- */
* { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  background-color: var(--cream);
  color: var(--slate);
  line-height: 1.75;
  overflow-x: hidden;
}

h1, h2, h3, h4, .font-serif {
  font-family: 'Playfair Display', Georgia, serif;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.15;
}

::selection { background: var(--gold); color: var(--ink); }

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

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--cream-deep); }
::-webkit-scrollbar-thumb { background: var(--gold-dark); }
::-webkit-scrollbar-thumb:hover { background: var(--gold); }

/* ---------- Eyebrow / section label ---------- */
.eyebrow {
  font-family: 'Inter', sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gold-dark);
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  white-space: nowrap;
}
.eyebrow::before {
  content: "";
  display: inline-block;
  width: 2.25rem;
  height: 1px;
  background: var(--gold);
  opacity: 0.7;
}
.eyebrow.center::before { display: none; }
.eyebrow.center {
  justify-content: center;
}
.eyebrow.center::after {
  content: "";
  display: inline-block;
  width: 2.25rem;
  height: 1px;
  background: var(--gold);
  opacity: 0.7;
  margin-left: 0.85rem;
}

/* ---------- Gold text ---------- */
.gold-text {
  background: linear-gradient(120deg, #73524F 0%, #9A7571 55%, #B4928F 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ---------- Buttons ---------- */
.btn {
  font-family: 'Inter', sans-serif;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 1.05rem 2.5rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  transition: all 0.4s cubic-bezier(0.22, 1, 0.36, 1);
  cursor: pointer;
  border: 1px solid transparent;
  position: relative;
  overflow: hidden;
  text-decoration: none;
}
.btn-gold {
  background: linear-gradient(120deg, #9A7571, var(--gold-dark));
  color: #ffffff;
}
.btn-gold:hover {
  background: linear-gradient(120deg, var(--gold-dark), #9A7571);
  transform: translateY(-2px);
  box-shadow: 0 16px 36px -12px rgba(115, 82, 79, 0.55);
}
.btn-outline {
  border-color: rgba(180, 146, 143, 0.55);
  color: var(--ink);
  background: transparent;
}
.btn-outline:hover {
  border-color: var(--gold);
  background: var(--gold);
  color: var(--ink);
}

/* ---------- Links ---------- */
.link-gold {
  position: relative;
  display: inline-block;
  color: var(--ink);
  font-weight: 600;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
}
.link-gold::after {
  content: "";
  position: absolute;
  left: 0; bottom: -4px;
  width: 100%; height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}
.link-gold:hover::after { transform: scaleX(1); }
.link-gold:hover { color: var(--gold-dark); }

.link-gold-light {
  color: var(--gold-dark);
  font-weight: 600;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: gap 0.3s ease;
}
.link-gold-light:hover { gap: 0.85rem; color: var(--gold); }

/* ---------- Header ---------- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 60;
  transition: all 0.45s cubic-bezier(0.22, 1, 0.36, 1);
  padding: 1.05rem 0;
  background: rgba(250, 246, 239, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(180, 146, 143, 0.22);
}
.site-header.scrolled {
  padding: 0.7rem 0;
  box-shadow: 0 8px 30px -16px rgba(43, 34, 24, 0.2);
}
.site-header a.nav-link {
  color: rgba(43, 34, 24, 0.82);
  font-size: 0.8rem; font-weight: 700;
  letter-spacing: 0.09em; text-transform: uppercase;
  transition: color 0.3s ease;
  position: relative;
  text-decoration: none;
  padding: 0.3rem 0;
}
.site-header a.nav-link:hover,
.site-header a.nav-link.active { color: var(--gold-dark); }
.site-header a.nav-link::after {
  content:""; position:absolute; left:0; bottom:0;
  width:100%; height:1px; background:var(--gold);
  transform: scaleX(0); transform-origin:left;
  transition: transform .35s ease;
}
.site-header a.nav-link:hover::after,
.site-header a.nav-link.active::after { transform: scaleX(1); }

.brand-text {
  font-family: 'Playfair Display', serif;
  color: var(--ink);
  letter-spacing: 0.01em;
  line-height: 1.2;
}

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

/* ---------- Cards ---------- */
.card-luxury {
  background: var(--white-warm);
  border: 1px solid rgba(180, 146, 143, 0.16);
  transition: all 0.5s cubic-bezier(0.22, 1, 0.36, 1);
  position: relative;
}
.card-luxury::before {
  content:""; position:absolute; left:0; top:0; height:100%; width:2px;
  background: linear-gradient(180deg, var(--gold), transparent);
  transform: scaleY(0); transform-origin: top;
  transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}
.card-luxury:hover {
  transform: translateY(-6px);
  box-shadow: 0 26px 60px -28px rgba(43, 34, 24, 0.35);
  border-color: rgba(180, 146, 143, 0.42);
}
.card-luxury:hover::before { transform: scaleY(1); }

.treatment-card .t-arrow {
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1), color 0.4s ease;
}
.treatment-card:hover .t-arrow { transform: translateX(6px); color: var(--gold); }
.treatment-card .t-title { transition: color 0.4s ease; }
.treatment-card:hover .t-title { color: var(--gold-dark); }

/* ---------- Dividers ---------- */
.divider-gold {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  opacity: 0.5;
}
.divider-thin {
  height: 1px;
  background: rgba(180, 146, 143, 0.2);
}

/* ---------- Section helpers ---------- */
.section-dark { background: linear-gradient(160deg, #4A3534 0%, #2E2322 100%); color: var(--cream); }
.section-dark h1, .section-dark h2, .section-dark h3 { color: var(--cream); }
.section-cream { background: var(--cream); }
.section-white { background: var(--white-warm); }

/* ---------- Reveal animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(34px);
  transition: opacity 0.9s cubic-bezier(0.22, 1, 0.36, 1), transform 0.9s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Mobile menu ---------- */
.mobile-menu {
  position: fixed; inset: 0; z-index: 70;
  background: var(--ink);
  transform: translateX(100%);
  transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
  display: flex; flex-direction: column;
  overflow-y: auto;
}
.mobile-menu.open { transform: translateX(0); }
.mobile-menu a.m-link {
  font-family: 'Playfair Display', serif;
  font-size: 1.7rem;
  color: var(--cream);
  padding: 1rem 0;
  border-bottom: 1px solid rgba(180, 146, 143, 0.12);
  transition: color 0.3s ease, padding-left 0.3s ease;
  text-decoration: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.mobile-menu a.m-link:hover { color: var(--gold-light); padding-left: 0.8rem; }

/* ---------- WhatsApp float ---------- */
.wa-float {
  position: fixed; right: 1.5rem; bottom: 1.5rem; z-index: 55;
  width: 56px; height: 56px; border-radius: 9999px;
  display: flex; align-items: center; justify-content: center;
  background: #25D366; color: #fff;
  box-shadow: 0 10px 30px -6px rgba(37, 211, 102, 0.55);
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
  text-decoration: none;
}
.wa-float:hover { transform: scale(1.08); }
.wa-float::after {
  content:""; position:absolute; inset:-6px; border-radius:9999px;
  border:2px solid rgba(37,211,102,0.4);
  animation: waPulse 2.6s ease-out infinite;
}
@keyframes waPulse {
  0% { transform: scale(0.85); opacity: 0.8; }
  100% { transform: scale(1.4); opacity: 0; }
}

/* ---------- Forms ---------- */
.field-label {
  font-size: 0.7rem; font-weight: 600; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--muted);
}
.input-luxury {
  background: transparent;
  border: none;
  border-bottom: 1px solid rgba(180, 146, 143, 0.32);
  padding: 0.85rem 0.2rem;
  font-size: 1rem; color: var(--ink); width: 100%;
  transition: border-color 0.35s ease;
  font-family: 'Inter', sans-serif;
  border-radius: 0;
}
.input-luxury:focus { outline: none; border-color: var(--gold); }
.input-luxury::placeholder { color: #A89690; }

/* ---------- Footer ---------- */
.footer-link {
  color: rgba(250, 246, 239, 0.85);
  font-size: 0.875rem;
  transition: color 0.3s ease, padding-left 0.3s ease;
  display: inline-block;
  text-decoration: none;
}
.footer-link:hover { color: var(--gold-light); padding-left: 4px; }

/* ---------- Image hover zoom ---------- */
.img-zoom { overflow: hidden; }
.img-zoom img { transition: transform 0.9s cubic-bezier(0.22, 1, 0.36, 1); }
.img-zoom:hover img { transform: scale(1.06); }

/* ---------- Number / step markers ---------- */
.step-num {
  font-family: 'Playfair Display', serif;
  color: var(--gold-dark);
  font-size: 0.9rem;
  letter-spacing: 0.1em;
}

/* ---------- Page hero (inner pages) ---------- */
.page-hero {
  background: var(--ink);
  color: var(--cream);
  position: relative;
  overflow: hidden;
}

/* ---------- Breadcrumb ---------- */
.crumb {
  font-size: 0.72rem; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.3s ease;
}
.crumb:hover { color: var(--gold); }
.crumb-sep { color: var(--muted); }

/* ---------- Accordion (FAQ / tedavi detay) ---------- */
.acc-item {
  border-bottom: 1px solid rgba(180, 146, 143, 0.2);
}
.acc-trigger {
  width: 100%; text-align: left; background: none; border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.5rem 0; gap: 1rem;
  font-family: 'Playfair Display', serif;
  font-size: 1.15rem; color: var(--ink);
  transition: color 0.3s ease;
}
.acc-trigger:hover { color: var(--gold-dark); }
.acc-icon {
  flex-shrink: 0; width: 18px; height: 18px; position: relative;
  transition: transform 0.4s ease;
}
.acc-icon::before, .acc-icon::after {
  content:""; position:absolute; background: var(--gold);
  top: 50%; left: 0; transform: translateY(-50%);
}
.acc-icon::before { width: 100%; height: 1.5px; }
.acc-icon::after { width: 1.5px; height: 100%; left: 50%; transform: translate(-50%, -50%); transition: opacity 0.3s ease; }
.acc-item.open .acc-icon { transform: rotate(45deg); }
.acc-content {
  max-height: 0; overflow: hidden;
  transition: max-height 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}
.acc-content-inner { padding-bottom: 1.5rem; color: var(--slate); }

/* ---------- Misc ---------- */
.text-balance { text-wrap: balance; }
.shadow-luxury { box-shadow: 0 40px 90px -44px rgba(43, 34, 24, 0.45); }