/* DentBook — professional dental theme */
:root {
  --teal: #0d7a5f;
  --teal-dark: #084f3d;
  --navy: #102a43;
  --muted: #5f6f7e;
  --bg: #f2f6f5;
  --card: #ffffff;
  --wa: #22b95c;
  --wa-dark: #1a9448;
  --danger: #c0392b;
  --radius: 16px;
  --shadow: 0 10px 30px rgba(16, 42, 67, .10);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg); color: var(--navy); line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--teal); }

/* ---------- top bar ---------- */
.topbar {
  background: var(--card); border-bottom: 1px solid #e3eae8;
  position: sticky; top: 0; z-index: 50;
}
.topbar-inner {
  max-width: 1080px; margin: 0 auto; padding: 12px 20px;
  display: flex; align-items: center; justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 18px; }
.brand-mark {
  width: 36px; height: 36px; border-radius: 10px; flex: none;
  background: linear-gradient(135deg, var(--teal), var(--teal-dark));
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-size: 20px;
}
.brand small { display: block; font-size: 11px; color: var(--muted); font-weight: 600; }

/* ---------- buttons ---------- */
.btn {
  display: inline-block; background: var(--teal); color: #fff; border: 0;
  padding: 13px 26px; font-size: 16px; font-weight: 700; border-radius: 10px;
  cursor: pointer; text-decoration: none; text-align: center;
  transition: transform .08s ease, background .15s ease;
}
.btn:hover { background: var(--teal-dark); }
.btn:active { transform: scale(.98); }
.btn.wa { background: var(--wa); }
.btn.wa:hover { background: var(--wa-dark); }
.btn.small { padding: 8px 16px; font-size: 14px; border-radius: 8px; }
.btn.danger { background: var(--danger); }
.btn.block { width: 100%; }
.btn-top {
  padding: 9px 18px; font-size: 14px; border-radius: 999px;
  background: var(--wa); color: #fff; text-decoration: none; font-weight: 700;
}
.btn-top:hover { background: var(--wa-dark); }

/* ---------- hero ---------- */
.hero {
  background: linear-gradient(rgba(8, 60, 48, .72), rgba(8, 60, 48, .55)), url('hero.jpg') center/cover no-repeat;
  color: #fff; padding: 72px 20px 110px; text-align: center;
}
.hero-inner { max-width: 760px; margin: 0 auto; }
.hero h1 { font-size: clamp(30px, 5vw, 48px); line-height: 1.2; letter-spacing: -0.5px; }
.hero p.sub { margin: 14px auto 0; font-size: 18px; opacity: .92; max-width: 600px; }
.hero-badges { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-top: 22px; }
.hero-badges span {
  background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.35);
  padding: 7px 16px; border-radius: 999px; font-size: 14px; font-weight: 600;
  backdrop-filter: blur(4px);
}

/* ---------- layout ---------- */
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 20px; }
.wrap.narrow { max-width: 640px; }

/* ---------- booking card ---------- */
.book-card {
  background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 32px; margin-top: -64px; position: relative; z-index: 10;
}
.book-card h2 { font-size: 24px; margin-bottom: 4px; }
.book-card > p.lead { color: var(--muted); margin-bottom: 22px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
label { display: block; font-weight: 700; font-size: 14px; margin-bottom: 2px; }
input[type=text], input[type=tel], input[type=password], select {
  width: 100%; padding: 12px 14px; margin-top: 6px; font-size: 15px;
  border: 1.5px solid #d5dee2; border-radius: 10px; background: #fbfdfd; color: var(--navy);
}
input:focus, select:focus { outline: none; border-color: var(--teal); box-shadow: 0 0 0 3px rgba(13,122,95,.15); }
.field { margin-bottom: 6px; }
.form-note { color: var(--muted); font-size: 13px; text-align: center; margin-top: 14px; }

/* ---------- status cards ---------- */
.card { background: var(--card); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow); margin: 24px 0; }
.card.ok { border-top: 5px solid var(--teal); text-align: center; }
.card.ok h2 { color: var(--teal-dark); margin-bottom: 8px; }
.card.err { border-left: 5px solid var(--danger); background: #fdf1f0; box-shadow: none; }
.card.err p { margin: 4px 0; }
.ref-chip {
  display: inline-block; background: #e7f4ef; color: var(--teal-dark);
  font-weight: 800; padding: 6px 16px; border-radius: 999px; margin: 8px 0;
}

/* ---------- sections ---------- */
.section { padding: 56px 0 8px; }
.section h2.sec-title { text-align: center; font-size: 28px; margin-bottom: 6px; }
.section p.sec-sub { text-align: center; color: var(--muted); margin-bottom: 28px; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.step {
  background: var(--card); border-radius: var(--radius); padding: 26px 22px;
  box-shadow: var(--shadow); text-align: center;
}
.step-num {
  width: 44px; height: 44px; border-radius: 50%; margin: 0 auto 14px;
  background: linear-gradient(135deg, var(--teal), var(--teal-dark)); color: #fff;
  font-weight: 800; font-size: 18px; display: flex; align-items: center; justify-content: center;
}
.step h3 { font-size: 17px; margin-bottom: 6px; }
.step p { color: var(--muted); font-size: 14px; }
.svc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.svc {
  background: var(--card); border-radius: var(--radius); padding: 22px;
  box-shadow: var(--shadow); border-top: 4px solid var(--teal);
}
.svc h3 { font-size: 16px; margin-bottom: 4px; }
.svc p { color: var(--muted); font-size: 13px; }

/* ---------- footer ---------- */
footer { margin-top: 64px; background: var(--navy); color: #c9d6e2; padding: 36px 20px; text-align: center; }
footer b { color: #fff; }
footer p { font-size: 13px; margin-top: 6px; }

/* ---------- admin ---------- */
.wrap.wide { max-width: 860px; }
.head h1 { font-size: 22px; color: var(--teal-dark); }
.appt {
  border-top: 1px solid #edf1f0; padding: 14px 0;
  display: flex; justify-content: space-between; gap: 10px;
  align-items: center; flex-wrap: wrap;
}
.appt .row { display: flex; gap: 8px; }
.badge { display: inline-block; padding: 3px 12px; border-radius: 999px; font-size: 12px; font-weight: 700; }
.badge.pending { background: #fef3cd; color: #8a6d00; }
.badge.confirmed { background: #d4f5e2; color: var(--teal-dark); }
.badge.cancelled { background: #fbdede; color: var(--danger); }
.badge.completed { background: #e2e8f0; color: #555; }
.muted { color: var(--muted); font-size: 13px; }
.admin-login { max-width: 420px; margin: 60px auto; }

/* ---------- responsive ---------- */
@media (max-width: 720px) {
  .form-grid { grid-template-columns: 1fr; }
  .steps, .svc-grid { grid-template-columns: 1fr; }
  .book-card { padding: 24px 20px; }
  .hero { padding: 52px 20px 96px; }
}