/* Spring Acupuncture mock — calm clinical TCM */
:root {
  --ink: #1c2a24;
  --ink-soft: #3d4f46;
  --cream: #f7f3ea;
  --cream-2: #efe8d8;
  --sage: #5a7a66;
  --sage-deep: #3f5c4b;
  --sage-light: #d8e4dc;
  --leaf: #6b8f78;
  --gold: #a68b5b;
  --white: #fffcf7;
  --line: rgba(28, 42, 36, 0.12);
  --shadow: 0 8px 28px rgba(28, 42, 36, 0.08);
  --radius: 14px;
  --max: 720px;
  --safe-b: env(safe-area-inset-bottom, 0px);
  --font: "Segoe UI", system-ui, -apple-system, "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--cream);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  padding-bottom: calc(72px + var(--safe-b));
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--sage-deep); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { color: var(--ink); }

.wrap { width: min(100% - 2rem, var(--max)); margin-inline: auto; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 40;
  background: rgba(247, 243, 234, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 0.75rem; padding: 0.65rem 0;
}
.brand {
  display: flex; align-items: center; gap: 0.65rem;
  text-decoration: none; color: inherit;
}
.brand img { width: 42px; height: 42px; object-fit: contain; border-radius: 8px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-en { font-weight: 700; font-size: 0.95rem; letter-spacing: 0.01em; }
.brand-zh { font-size: 0.78rem; color: var(--sage); font-weight: 600; }

.nav-toggle {
  appearance: none; border: 1px solid var(--line); background: var(--white);
  border-radius: 10px; padding: 0.45rem 0.7rem; font: inherit; font-size: 0.85rem;
  color: var(--ink); cursor: pointer;
}
.nav {
  display: none; flex-direction: column; gap: 0.15rem;
  padding: 0 0 0.85rem;
}
.nav.open { display: flex; }
.nav a {
  text-decoration: none; color: var(--ink-soft);
  padding: 0.55rem 0.35rem; border-radius: 8px; font-weight: 560;
}
.nav a:hover, .nav a[aria-current="page"] {
  background: var(--sage-light); color: var(--ink);
}

@media (min-width: 720px) {
  .nav-toggle { display: none; }
  .header-inner { flex-wrap: wrap; }
  .nav {
    display: flex; flex-direction: row; align-items: center;
    gap: 0.25rem; margin-left: auto; padding: 0;
  }
  .nav a { padding: 0.4rem 0.65rem; font-size: 0.92rem; }
}

/* Hero */
.hero {
  position: relative;
  background: linear-gradient(165deg, #e8f0ea 0%, var(--cream) 55%, var(--cream-2) 100%);
  overflow: hidden;
  padding: 1.75rem 0 1.5rem;
}
.hero::after {
  content: "";
  position: absolute; inset: auto -20% -40% 40%;
  height: 280px;
  background: radial-gradient(circle, rgba(90,122,102,0.18), transparent 65%);
  pointer-events: none;
}
.hero-grid { display: grid; gap: 1.25rem; position: relative; z-index: 1; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 0.4rem;
  font-size: 0.78rem; font-weight: 650; letter-spacing: 0.04em;
  text-transform: uppercase; color: var(--sage-deep);
  background: var(--sage-light); padding: 0.28rem 0.65rem; border-radius: 999px;
}
.hero h1 {
  margin: 0.7rem 0 0.5rem; font-size: clamp(1.65rem, 5.5vw, 2.15rem);
  line-height: 1.2; letter-spacing: -0.02em;
}
.hero h1 .zh { display: block; font-size: 0.72em; color: var(--sage); font-weight: 650; margin-top: 0.2rem; }
.lede { margin: 0; color: var(--ink-soft); font-size: 1.02rem; max-width: 38ch; }
.cta-row { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-top: 1.15rem; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.4rem;
  min-height: 46px; padding: 0.7rem 1.15rem; border-radius: 999px;
  font: inherit; font-weight: 650; text-decoration: none; border: 1.5px solid transparent;
  cursor: pointer; transition: transform 0.15s ease, background 0.15s ease;
}
.btn:active { transform: scale(0.98); }
.btn-primary { background: var(--sage-deep); color: var(--white); }
.btn-primary:hover { background: var(--ink); color: var(--white); }
.btn-secondary {
  background: transparent; color: var(--sage-deep);
  border-color: var(--sage);
}
.btn-secondary:hover { background: var(--sage-light); color: var(--ink); }
.hero-photo {
  border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow);
  aspect-ratio: 16/10; background: var(--sage-light);
}
.hero-photo img { width: 100%; height: 100%; object-fit: cover; }

/* Hours strip */
.hours-strip {
  background: var(--ink);
  color: var(--cream);
  padding: 0.85rem 0;
}
.hours-strip .wrap {
  display: flex; flex-wrap: wrap; gap: 0.5rem 1.25rem;
  align-items: baseline; font-size: 0.9rem;
}
.hours-strip strong { color: #fff; font-weight: 700; }
.hours-strip .closed { color: #e8c9a0; }

/* Sections */
section { padding: 1.75rem 0; }
.section-title {
  margin: 0 0 0.35rem; font-size: 1.35rem; letter-spacing: -0.015em;
}
.section-title .zh { color: var(--sage); font-weight: 600; font-size: 0.85em; }
.section-sub { margin: 0 0 1.1rem; color: var(--ink-soft); }

.card-grid {
  display: grid; gap: 0.75rem;
  grid-template-columns: 1fr;
}
@media (min-width: 520px) {
  .card-grid.two { grid-template-columns: 1fr 1fr; }
}
.card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem 1.05rem;
  box-shadow: 0 2px 10px rgba(28,42,36,0.04);
}
.card h3 { margin: 0 0 0.35rem; font-size: 1.02rem; }
.card p { margin: 0; color: var(--ink-soft); font-size: 0.95rem; }
.card .zh-label { color: var(--sage); font-size: 0.82rem; font-weight: 600; }

.pain-list {
  display: flex; flex-wrap: wrap; gap: 0.45rem; margin: 0; padding: 0; list-style: none;
}
.pain-list li {
  background: var(--sage-light); color: var(--sage-deep);
  padding: 0.35rem 0.7rem; border-radius: 999px; font-size: 0.88rem; font-weight: 560;
}

.note-box {
  background: linear-gradient(135deg, #eef5f0, var(--cream-2));
  border: 1px solid var(--sage-light);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  margin-top: 1rem;
}
.note-box strong { color: var(--sage-deep); }

.photo-block {
  border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow);
  margin: 1rem 0;
}
.photo-block img { width: 100%; }

/* Services page */
.service-list { display: grid; gap: 0.65rem; }
.service-item {
  display: grid; grid-template-columns: auto 1fr; gap: 0.85rem;
  align-items: start; background: var(--white);
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 0.95rem 1rem;
}
.service-icon {
  width: 40px; height: 40px; border-radius: 10px;
  background: var(--sage-light); color: var(--sage-deep);
  display: grid; place-items: center; font-size: 1.1rem; font-weight: 700;
}
.specialty-tags { display: flex; flex-wrap: wrap; gap: 0.45rem; margin-top: 1rem; }
.specialty-tags span {
  border: 1px solid var(--gold); color: #6e5833;
  background: #f5efdf; padding: 0.35rem 0.7rem; border-radius: 999px;
  font-size: 0.85rem; font-weight: 600;
}

/* About */
.about-lead { font-size: 1.05rem; color: var(--ink-soft); }
.creds { margin: 1rem 0 0; padding: 0; list-style: none; display: grid; gap: 0.55rem; }
.creds li {
  background: var(--white); border-left: 3px solid var(--sage);
  padding: 0.7rem 0.9rem; border-radius: 0 10px 10px 0;
  border: 1px solid var(--line); border-left-width: 3px;
}

/* Contact */
.contact-stack { display: grid; gap: 1rem; }
.contact-card a { font-weight: 650; text-decoration: none; }
.map-link {
  display: inline-flex; align-items: center; gap: 0.35rem;
  margin-top: 0.35rem; font-size: 0.92rem;
}
.form {
  background: var(--white); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 1.1rem; box-shadow: var(--shadow);
}
.form h2 { margin: 0 0 0.35rem; font-size: 1.15rem; }
.form-hint { margin: 0 0 1rem; color: var(--ink-soft); font-size: 0.9rem; }
.field { margin-bottom: 0.85rem; }
.field label {
  display: block; font-size: 0.88rem; font-weight: 650; margin-bottom: 0.3rem;
}
.field label .req { color: #9a4a3a; }
.field input, .field select, .field textarea {
  width: 100%; font: inherit; padding: 0.7rem 0.8rem;
  border: 1.5px solid var(--line); border-radius: 10px;
  background: var(--cream); color: var(--ink);
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: 2px solid var(--sage); outline-offset: 1px; border-color: var(--sage);
  background: #fff;
}
.field textarea { min-height: 110px; resize: vertical; }
.field .error {
  display: none; color: #9a4a3a; font-size: 0.82rem; margin-top: 0.25rem;
}
.field.invalid input, .field.invalid select, .field.invalid textarea {
  border-color: #c46b5a; background: #fff8f6;
}
.field.invalid .error { display: block; }
.form-actions { display: flex; flex-wrap: wrap; gap: 0.55rem; margin-top: 0.5rem; }
.thank-you {
  display: none; text-align: center; padding: 1.5rem 1rem;
  background: var(--sage-light); border-radius: var(--radius);
}
.thank-you.show { display: block; }
.thank-you h2 { margin: 0 0 0.4rem; color: var(--sage-deep); }
.form.submitted .form-body { display: none; }

/* Sticky bottom CTAs */
.sticky-cta {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 50;
  background: rgba(255, 252, 247, 0.96);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--line);
  padding: 0.55rem 0.85rem calc(0.55rem + var(--safe-b));
  display: grid; grid-template-columns: 1fr 1fr; gap: 0.5rem;
}
.sticky-cta .btn { width: 100%; min-height: 44px; font-size: 0.92rem; padding: 0.55rem 0.5rem; }

/* Footer */
.site-footer {
  margin-top: 1rem; padding: 1.5rem 0 1rem;
  border-top: 1px solid var(--line);
  color: var(--ink-soft); font-size: 0.88rem;
}
.site-footer .brand-line { font-weight: 700; color: var(--ink); margin-bottom: 0.25rem; }
.preview-badge {
  display: inline-block; margin-top: 0.75rem;
  font-size: 0.8rem; color: var(--gold); font-weight: 600;
}

/* Utilities */
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); border: 0;
}
.mt-1 { margin-top: 1rem; }
.center { text-align: center; }