:root {
  --teal: #0f766e;
  --teal-dark: #115e59;
  --teal-soft: #ccfbf1;
  --tint: #f0fdfa;
  --ink: #0f172a;
  --muted: #64748b;
  --line: #e2e8f0;
  --white: #ffffff;
  --radius: 18px;
  --shadow: 0 12px 32px rgba(15, 23, 42, .08);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body { font-family: "Plus Jakarta Sans", system-ui, sans-serif; color: var(--ink); background: var(--white); line-height: 1.65; }
a { color: inherit; }
h1, h2, h3 { line-height: 1.15; letter-spacing: -.02em; }
h1 { font-size: clamp(2.2rem, 5.5vw, 3.6rem); font-weight: 800; }
h2 { font-size: clamp(1.7rem, 3.6vw, 2.5rem); font-weight: 800; margin-bottom: .8rem; }
h3 { font-size: 1.15rem; font-weight: 700; }
.container { width: min(1160px, 100% - 32px); margin-inline: auto; }
.narrow { max-width: 780px; }
.section { padding: 96px 0; }
.section-tint { background: var(--tint); }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 3rem; }
.section-head p { color: var(--muted); }
.eyebrow { display: inline-block; font-size: .8rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--teal); margin-bottom: .6rem; }
.small { font-size: .85rem; color: var(--muted); }
.accent { color: var(--teal); }

.btn {
  display: inline-block; background: var(--teal); color: #fff; border: 2px solid var(--teal);
  padding: 14px 26px; border-radius: 12px; text-decoration: none; font: inherit; font-weight: 700;
  cursor: pointer; transition: background .2s, transform .2s, box-shadow .2s;
}
.btn:hover { background: var(--teal-dark); border-color: var(--teal-dark); transform: translateY(-1px); box-shadow: 0 8px 20px rgba(15,118,110,.25); }
.btn-outline { background: transparent; color: var(--teal); }
.btn-outline:hover { background: var(--teal-soft); color: var(--teal-dark); box-shadow: none; }
.btn-small { padding: 9px 18px; }
.btn-full { width: 100%; }

.demo-bar { background: var(--ink); color: #fff; text-align: center; font-size: .8rem; padding: 6px 16px; }

/* Nav */
.nav { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.94); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--teal); }
.logo span { display: flex; flex-direction: column; line-height: 1.1; color: var(--ink); }
.logo strong { font-size: 1.15rem; font-weight: 800; }
.logo small { font-size: .75rem; color: var(--muted); }
.nav-links { display: flex; align-items: center; gap: 26px; }
.nav-links a:not(.btn) { text-decoration: none; font-weight: 600; font-size: .95rem; color: #334155; }
.nav-links a:not(.btn):hover { color: var(--teal); }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--ink); margin: 5px 0; transition: .3s; }

/* Hero */
.hero { padding: 64px 0 0; background: linear-gradient(180deg, var(--tint), var(--white)); }
.hero-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: center; }
.pill { display: inline-block; background: var(--teal-soft); color: var(--teal-dark); font-weight: 700; font-size: .85rem; padding: 6px 14px; border-radius: 999px; margin-bottom: 1.2rem; }
.lead { font-size: 1.12rem; color: var(--muted); margin: 1.2rem 0 2rem; max-width: 520px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-img {
  aspect-ratio: 4/3.4; border-radius: 28px; box-shadow: var(--shadow);
  background: url("img/hero.jpg") center/cover, linear-gradient(135deg, #99f6e4, #0f766e);
}
.info-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 48px; position: relative; }
.info-card { display: flex; gap: 14px; align-items: flex-start; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); }
.info-card .icon { display: grid; place-items: center; width: 44px; height: 44px; flex-shrink: 0; border-radius: 12px; background: var(--teal-soft); color: var(--teal); }
.info-card p { color: var(--muted); font-size: .92rem; }
.info-card a { text-decoration: none; font-weight: 600; color: var(--teal); }
.st-open { color: #059669; font-weight: 700; }
.st-closed { color: #dc2626; font-weight: 700; }

/* Treatments */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; transition: transform .25s, box-shadow .25s, border-color .25s; }
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--teal-soft); }
.card .num { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 12px; background: var(--teal-soft); color: var(--teal); font-weight: 800; margin-bottom: 1rem; }
.card p { color: var(--muted); font-size: .95rem; margin: .5rem 0 1rem; }
.card button { background: none; border: 0; color: var(--teal); font: inherit; font-weight: 700; cursor: pointer; padding: 0; }
.card button:hover { text-decoration: underline; }

/* Why */
.why { display: grid; grid-template-columns: 1fr 1.1fr; gap: 56px; align-items: center; }
.why-img { aspect-ratio: 4/3; border-radius: 28px; background: url("img/sterilizasyon.jpg") center/cover, linear-gradient(135deg, #ccfbf1, #0f766e); box-shadow: var(--shadow); }
.checks { list-style: none; display: grid; gap: 18px; margin-top: 1.5rem; }
.checks li { position: relative; padding-left: 40px; color: var(--muted); }
.checks li::before { content: "✓"; position: absolute; left: 0; top: 2px; width: 26px; height: 26px; border-radius: 50%; background: var(--teal); color: #fff; display: grid; place-items: center; font-size: .8rem; font-weight: 800; }
.checks strong { display: block; color: var(--ink); }

/* Doctors */
.doctors { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.doctor { text-align: center; }
.doc-img { aspect-ratio: 4/5; border-radius: var(--radius); margin-bottom: 1.2rem; background: var(--img) center/cover, linear-gradient(160deg, #ccfbf1, #5eead4); }
.doctor .role { color: var(--teal); font-weight: 600; font-size: .92rem; margin: .2rem 0 .5rem; }
.doctor p:last-child { color: var(--muted); font-size: .92rem; }

/* Gallery */
.gallery { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 16px; }
.g { position: relative; aspect-ratio: 4/3; border-radius: var(--radius); overflow: hidden; background: var(--img) center/cover, linear-gradient(135deg, #99f6e4, #115e59); }
.g:first-child { grid-row: span 2; aspect-ratio: auto; }
.g span { position: absolute; left: 14px; bottom: 14px; background: rgba(255,255,255,.92); padding: 6px 12px; border-radius: 999px; font-size: .85rem; font-weight: 700; }

/* Appointment */
.appt { display: grid; grid-template-columns: 1fr 1.15fr; gap: 56px; align-items: start; }
.appt > div p { color: var(--muted); }
.notice { margin-top: 1.5rem; background: #fff7ed; border: 1px solid #fed7aa; color: #9a3412; padding: 14px 18px; border-radius: 12px; font-size: .92rem; font-weight: 500; }
.form { background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow); border-radius: 24px; padding: 32px; display: grid; gap: 16px; }
.form label { display: grid; gap: 6px; font-size: .9rem; font-weight: 600; }
.form input, .form select, .form textarea { font: inherit; font-weight: 400; padding: 12px 14px; border: 1.5px solid var(--line); border-radius: 10px; background: #f8fafc; }
.form input:focus, .form select:focus, .form textarea:focus { outline: none; border-color: var(--teal); background: #fff; }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form .kvkk { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; font-size: .85rem; color: var(--muted); }
.kvkk input { margin-top: 4px; accent-color: var(--teal); }
.kvkk a { color: var(--teal); font-weight: 600; }
.form-msg { font-size: .9rem; color: var(--teal-dark); min-height: 1.2em; }

/* FAQ */
.faq { display: grid; gap: 12px; }
.faq details { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 4px 22px; }
.faq summary { cursor: pointer; font-weight: 700; padding: 16px 0; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--teal); font-size: 1.4rem; line-height: 1; transition: transform .2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { color: var(--muted); padding-bottom: 18px; }

/* Contact */
.contact { display: grid; grid-template-columns: 1fr 1.3fr; gap: 56px; align-items: center; }
.contact p { margin-bottom: 1rem; color: var(--muted); }
.contact a { color: var(--teal); font-weight: 700; text-decoration: none; }
.hours { border-collapse: collapse; }
.hours td { padding: 6px 28px 6px 0; border-bottom: 1px solid var(--line); }
.map { width: 100%; height: 360px; border: 0; border-radius: var(--radius); }

.footer { background: var(--ink); color: #cbd5e1; padding: 32px 0; font-size: .9rem; }
.footer-inner { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.footer strong { color: #fff; }
.footer .small { color: #94a3b8; text-align: right; }

dialog { max-width: 520px; margin: auto; border: 0; border-radius: 20px; padding: 28px; box-shadow: 0 30px 60px rgba(0,0,0,.25); }
dialog::backdrop { background: rgba(15,23,42,.5); }
dialog h3 { margin-bottom: .8rem; }
dialog p { color: var(--muted); margin-bottom: .8rem; }

.wa-float { position: fixed; right: 20px; bottom: 20px; z-index: 60; width: 56px; height: 56px; border-radius: 50%; background: #25d366; color: #fff; display: grid; place-items: center; box-shadow: 0 6px 20px rgba(0,0,0,.25); transition: transform .2s; }
.wa-float:hover { transform: scale(1.08); }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
}

@media (max-width: 900px) {
  .nav-toggle { display: block; }
  .nav-links { position: absolute; top: 72px; left: 0; right: 0; flex-direction: column; gap: 0; background: #fff; border-bottom: 1px solid var(--line); max-height: 0; overflow: hidden; transition: max-height .3s; }
  .nav-links.open { max-height: 420px; }
  .nav-links a { padding: 14px 0; }
  .nav-links .btn { margin: 8px 0 18px; }
  .nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .section { padding: 64px 0; }
  .hero { padding-top: 40px; }
  .hero-grid, .why, .appt, .contact { grid-template-columns: 1fr; gap: 32px; }
  .info-cards, .cards, .doctors { grid-template-columns: 1fr; }
  .doctors { max-width: 380px; margin-inline: auto; }
  .gallery { grid-template-columns: 1fr 1fr; }
  .g:first-child { grid-column: span 2; grid-row: auto; aspect-ratio: 16/9; }
  .map { height: 280px; }
  .footer .small { text-align: left; }
}
@media (max-width: 480px) {
  .row { grid-template-columns: 1fr; }
  .form { padding: 22px; }
}