/* ==========================================================================
   Brownsville Infectious Disease, PA - staging stylesheet
   ========================================================================== */
:root {
  --teal-900: #08424c;
  --teal-800: #0b5b66;
  --teal-700: #0f7480;
  --teal-500: #17a2ac;
  --teal-300: #7fd1d8;
  --ink: #1c2b31;
  --ink-soft: #51666e;
  --bg: #f6fafb;
  --card: #ffffff;
  --border: #dde9ec;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(8, 66, 76, 0.08);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Source Sans 3", "Segoe UI", system-ui, -apple-system, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  font-size: 17px;
}
img { max-width: 100%; display: block; }
a { color: var(--teal-700); }
h1, h2, h3, h4 { line-height: 1.2; color: var(--teal-900); font-weight: 700; }
h1 { font-size: clamp(1.9rem, 4.5vw, 3rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); }
h3 { font-size: 1.2rem; }
.container { width: min(1120px, 92%); margin: 0 auto; }

/* ---------- Top bar ---------- */
.topbar { background: var(--teal-900); color: #cfeef2; font-size: 0.85rem; }
.topbar .container { display: flex; justify-content: space-between; align-items: center; padding: 0.45rem 0; gap: 1rem; flex-wrap: wrap; }
.topbar a { color: #fff; text-decoration: none; font-weight: 600; }
.topbar .emerg { letter-spacing: 0.02em; }

/* ---------- Header / nav ---------- */
.site-header { background: #fff; border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 50; }
.nav-row { display: flex; align-items: center; justify-content: space-between; padding: 0.8rem 0; }
.brand { display: flex; align-items: center; gap: 0.7rem; text-decoration: none; }
.brand-mark {
  width: 46px; height: 46px; border-radius: 12px; flex: none;
  background: linear-gradient(135deg, var(--teal-700), var(--teal-500));
  display: grid; place-items: center; color: #fff; font-weight: 800; font-size: 1.15rem;
  box-shadow: var(--shadow);
}
.brand-name { font-weight: 700; color: var(--teal-900); font-size: 1.05rem; line-height: 1.15; }
.brand-name small { display: block; font-weight: 500; color: var(--ink-soft); font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; }
.nav-toggle { display: none; background: none; border: 1px solid var(--border); border-radius: 8px; padding: 0.45rem 0.7rem; font-size: 1.1rem; cursor: pointer; color: var(--teal-900); }
.main-nav ul { list-style: none; display: flex; gap: 1.35rem; align-items: center; }
.main-nav a { text-decoration: none; color: var(--ink); font-weight: 600; font-size: 0.95rem; padding: 0.3rem 0; border-bottom: 2px solid transparent; }
.main-nav a:hover, .main-nav a[aria-current="page"] { color: var(--teal-700); border-bottom-color: var(--teal-500); }
.nav-cta { margin-left: 0.5rem; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block; text-decoration: none; text-align: center; cursor: pointer;
  border-radius: 999px; padding: 0.7rem 1.5rem; font-weight: 700; font-size: 0.98rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.btn-primary { background: var(--teal-500); color: #fff; box-shadow: 0 8px 20px rgba(23, 162, 172, 0.35); }
.btn-primary:hover { background: var(--teal-700); transform: translateY(-1px); }
.btn-outline { border: 2px solid var(--teal-700); color: var(--teal-700); background: transparent; }
.btn-outline:hover { background: var(--teal-700); color: #fff; }
.btn-light { background: #fff; color: var(--teal-800); }
.btn-light:hover { background: var(--teal-300); }

/* ---------- Hero ---------- */
.hero { position: relative; color: #fff; overflow: hidden; background: var(--teal-900); }
.hero img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0.45; }
.hero .overlay { position: absolute; inset: 0; background: linear-gradient(100deg, rgba(8,66,76,0.95) 15%, rgba(8,66,76,0.55) 60%, rgba(8,66,76,0.35)); }
.hero-inner { position: relative; padding: clamp(4rem, 9vw, 7.5rem) 0 clamp(3.5rem, 7vw, 6rem); max-width: 720px; }
.hero .eyebrow { text-transform: uppercase; letter-spacing: 0.14em; font-size: 0.8rem; font-weight: 700; color: var(--teal-300); margin-bottom: 1rem; }
.hero h1 { color: #fff; margin-bottom: 1.1rem; }
.hero p { font-size: 1.15rem; color: #e4f4f6; max-width: 620px; }
.hero .btn-row { display: flex; gap: 0.9rem; margin-top: 1.8rem; flex-wrap: wrap; }
.hero-badges { display: flex; gap: 1.6rem; margin-top: 2.2rem; flex-wrap: wrap; }
.hero-badges div { display: flex; gap: 0.55rem; align-items: center; font-size: 0.9rem; color: #dff3f5; }
.hero-badges svg { flex: none; }

/* ---------- Sections ---------- */
section { padding: clamp(2.8rem, 6vw, 4.5rem) 0; }
.section-head { max-width: 700px; margin-bottom: 2.2rem; }
.section-head p { color: var(--ink-soft); margin-top: 0.6rem; }
.band { background: var(--card); }
.band-alt { background: linear-gradient(180deg, #eef6f8, var(--bg)); }

/* ---------- Cards / grids ---------- */
.grid { display: grid; gap: 1.4rem; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); }
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.6rem; box-shadow: var(--shadow);
}
.card h3 { margin-bottom: 0.5rem; }
.card p { color: var(--ink-soft); font-size: 0.97rem; }
.card .icon {
  width: 52px; height: 52px; border-radius: 12px; margin-bottom: 1rem;
  background: #e2f3f5; color: var(--teal-700); display: grid; place-items: center;
}
.card.tint { background: linear-gradient(160deg, #ffffff, #f0f8f9); }

/* ---------- Split feature ---------- */
.split { display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.split img { border-radius: var(--radius); box-shadow: var(--shadow); }
.split h2 { margin-bottom: 1rem; }
.split p + p { margin-top: 0.9rem; }
.check-list { list-style: none; margin: 1.2rem 0; }
.check-list li { display: flex; gap: 0.6rem; align-items: flex-start; margin-bottom: 0.55rem; color: var(--ink-soft); }
.check-list svg { flex: none; margin-top: 0.28rem; }

/* ---------- Doctor / team ---------- */
.doc-card { display: grid; grid-template-columns: 300px 1fr; gap: 2rem; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 2rem; box-shadow: var(--shadow); align-items: center; }
.doc-photo { aspect-ratio: 3/3.4; border-radius: var(--radius); background: linear-gradient(160deg, var(--teal-700), var(--teal-500)); display: grid; place-items: center; color: #fff; }
.doc-photo span { font-size: 3rem; font-weight: 800; letter-spacing: 0.05em; }
.chips { display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 1rem 0; }
.chip { background: #e2f3f5; color: var(--teal-800); font-weight: 600; font-size: 0.83rem; padding: 0.3rem 0.85rem; border-radius: 999px; }
.person { text-align: center; padding: 1.4rem 1rem; }
.person .avatar { width: 74px; height: 74px; border-radius: 50%; margin: 0 auto 0.8rem; background: linear-gradient(135deg, var(--teal-700), var(--teal-500)); color: #fff; display: grid; place-items: center; font-weight: 700; font-size: 1.35rem; }
.person h3 { font-size: 1.02rem; }
.person p { color: var(--ink-soft); font-size: 0.88rem; }

/* ---------- Conditions ---------- */
.cond-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 0.8rem; }
.cond { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 0.85rem 1rem; font-size: 0.95rem; display: flex; gap: 0.55rem; align-items: center; }
.cond svg { flex: none; color: var(--teal-500); }

/* ---------- Info panels / hours ---------- */
.info-panel { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1.4rem; }
.hours-table { width: 100%; border-collapse: collapse; }
.hours-table td { padding: 0.5rem 0.2rem; border-bottom: 1px solid var(--border); font-size: 0.97rem; }
.hours-table tr:last-child td { border-bottom: none; }
.hours-table td:last-child { text-align: right; color: var(--ink-soft); }
.closed { color: #b34a4a; }

/* ---------- CTA band ---------- */
.cta-band { background: linear-gradient(120deg, var(--teal-800), var(--teal-500)); color: #fff; }
.cta-band .container { display: flex; justify-content: space-between; align-items: center; gap: 1.5rem; flex-wrap: wrap; padding: 2.6rem 0; }
.cta-band h2 { color: #fff; margin-bottom: 0.3rem; }
.cta-band p { color: #e0f5f7; }

/* ---------- Footer ---------- */
.site-footer { background: var(--teal-900); color: #b9d9de; font-size: 0.93rem; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 2.5rem; padding: 3rem 0 2rem; }
.site-footer h4 { color: #fff; margin-bottom: 0.8rem; font-size: 1rem; }
.site-footer ul { list-style: none; }
.site-footer li { margin-bottom: 0.45rem; }
.site-footer a { color: #b9d9de; text-decoration: none; }
.site-footer a:hover { color: #fff; }
.footer-note { border-top: 1px solid rgba(255,255,255,0.12); padding: 1.2rem 0 2.2rem; font-size: 0.82rem; color: #8fb8be; }
.footer-note p + p { margin-top: 0.4rem; }

/* ---------- Page hero (inner pages) ---------- */
.page-hero { background: linear-gradient(120deg, var(--teal-900), var(--teal-700)); color: #fff; padding: clamp(2.6rem, 6vw, 4.5rem) 0; }
.page-hero h1 { color: #fff; }
.page-hero p { color: #d8f0f3; max-width: 640px; margin-top: 0.7rem; font-size: 1.08rem; }
.crumbs { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--teal-300); font-weight: 700; margin-bottom: 0.8rem; }

/* ---------- Responsive ---------- */
@media (max-width: 920px) {
  .split, .doc-card { grid-template-columns: 1fr; }
  .doc-photo { max-width: 280px; }
  .footer-grid { grid-template-columns: 1fr; gap: 1.6rem; }
}
@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .main-nav { display: none; position: absolute; top: 100%; left: 0; right: 0; background: #fff; border-bottom: 1px solid var(--border); box-shadow: var(--shadow); }
  .main-nav.open { display: block; }
  .main-nav ul { flex-direction: column; align-items: stretch; gap: 0; padding: 0.6rem 4%; }
  .main-nav li { border-bottom: 1px solid var(--border); }
  .main-nav li:last-child { border-bottom: none; }
  .main-nav a { display: block; padding: 0.8rem 0; border-bottom: none; }
  .nav-cta { margin: 0.8rem 0; }
}
@media (max-width: 560px) {
  .topbar .hide-sm { display: none; }
}