/* ============================================================
   VIVA IV Therapy — shared stylesheet
   Fonts: Oswald (display) + Inter (body)
   ============================================================ */

:root {
  --bg: #0d0f13;
  --surface: #13161c;
  --border: #1e2028;
  --teal: #20808D;
  --teal-dark: #0C4E54;
  --text: #e8e6e1;
  --muted: #9ca3af;
  --radius: 10px;
  --max-width: 1200px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, .display {
  font-family: 'Oswald', sans-serif;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.15;
  margin: 0 0 0.6em;
  color: #ffffff;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); text-transform: uppercase; }
h2 { font-size: clamp(1.6rem, 3.4vw, 2.3rem); text-transform: uppercase; }
h3 { font-size: 1.3rem; }

p { margin: 0 0 1em; color: var(--text); }
p.lead { font-size: 1.15rem; color: var(--muted); }

a { color: var(--teal); text-decoration: none; }
a:hover { text-decoration: underline; }

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

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------------- NAV ---------------- */
nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 16px 32px;
  background: rgba(13, 15, 19, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  flex-wrap: wrap;
}

.nav-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}
.nav-logo:hover { text-decoration: none; opacity: 0.9; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  flex-wrap: wrap;
}

.nav-links a {
  color: var(--text);
  font-size: 0.88rem;
  font-weight: 500;
  white-space: nowrap;
}
.nav-links a:hover { color: var(--teal); text-decoration: none; }

.nav-cta {
  background: var(--teal);
  color: #fff !important;
  padding: 10px 22px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.88rem;
  white-space: nowrap;
  transition: background 0.2s ease, transform 0.15s ease;
}
.nav-cta:hover {
  background: var(--teal-dark);
  text-decoration: none;
  transform: translateY(-1px);
}

@media (max-width: 860px) {
  nav { padding: 14px 18px; }
  .nav-links { display: none; }
}

/* ---------------- BUTTONS ---------------- */
.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: 999px;
  font-family: 'Oswald', sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  text-decoration: none;
  transition: transform 0.15s ease, background 0.2s ease, box-shadow 0.2s ease;
}
.btn-primary {
  background: var(--teal);
  color: #fff;
  box-shadow: 0 8px 24px rgba(32, 128, 141, 0.35);
}
.btn-primary:hover { background: var(--teal-dark); transform: translateY(-2px); text-decoration: none; }
.btn-secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-secondary:hover { border-color: var(--teal); color: var(--teal); text-decoration: none; }

.btn-row {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 28px;
}

/* ---------------- HERO ---------------- */
.hero {
  padding: 100px 24px 80px;
  text-align: center;
  background:
    radial-gradient(ellipse 60% 50% at 50% 0%, rgba(32,128,141,0.22), transparent 70%),
    var(--bg);
  border-bottom: 1px solid var(--border);
}
.hero .container { max-width: 900px; }
.hero .eyebrow {
  display: inline-block;
  color: var(--teal);
  font-weight: 600;
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.hero h1 { margin-bottom: 20px; }
.hero p.lead { max-width: 640px; margin: 0 auto 8px; }

.star-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin: 22px 0 8px;
  flex-wrap: wrap;
}
.star-bar .stars { color: #f5b942; font-size: 1.2rem; letter-spacing: 2px; }
.star-bar .stat { color: var(--muted); font-size: 0.92rem; }

/* ---------------- SECTIONS ---------------- */
section { padding: 80px 24px; }
section.alt { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 48px; }
.section-head .eyebrow {
  display: block;
  color: var(--teal);
  font-weight: 600;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

/* ---------------- CARDS ---------------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  max-width: var(--max-width);
  margin: 0 auto;
}
@media (max-width: 980px) { .card-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .card-grid { grid-template-columns: 1fr; } }

.card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 22px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.card:hover { border-color: var(--teal); transform: translateY(-3px); }
.card .icon { font-size: 1.8rem; margin-bottom: 14px; display: block; }
.card h3 { font-size: 1.05rem; margin-bottom: 8px; text-transform: none; }
.card p { color: var(--muted); font-size: 0.92rem; margin: 0; }

/* ---------------- PRICING CALLOUT ---------------- */
.price-box {
  max-width: 640px;
  margin: 0 auto;
  background: linear-gradient(160deg, rgba(32,128,141,0.18), rgba(32,128,141,0.03));
  border: 1px solid var(--teal);
  border-radius: 16px;
  padding: 44px 36px;
  text-align: center;
}
.price-box .amount {
  font-family: 'Oswald', sans-serif;
  font-size: 3.2rem;
  font-weight: 700;
  color: #fff;
  line-height: 1;
  margin: 8px 0;
}
.price-box .amount span { font-size: 1.2rem; color: var(--muted); font-weight: 400; }
.price-box p { color: var(--muted); }

/* ---------------- GUARANTEE STRIP ---------------- */
.guarantee {
  text-align: center;
  padding: 40px 24px;
  background: var(--teal-dark);
  color: #fff;
}
.guarantee p {
  font-family: 'Oswald', sans-serif;
  font-size: 1.3rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: #fff;
  margin: 0;
}

/* ---------------- DOCTOR BLOCK ---------------- */
.doctor-block {
  display: flex;
  gap: 36px;
  align-items: center;
  max-width: 880px;
  margin: 0 auto;
  flex-wrap: wrap;
}
.doctor-block .doc-photo {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: linear-gradient(160deg, var(--teal), var(--teal-dark));
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Oswald', sans-serif;
  font-size: 2.4rem;
  font-weight: 700;
  color: #fff;
}
.doctor-block .doc-text { flex: 1; min-width: 260px; }
.doctor-block .doc-text .doc-title { color: var(--teal); font-weight: 600; font-size: 0.9rem; letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 6px; display:block; }

/* ---------------- FAQ ---------------- */
.faq {
  max-width: 760px;
  margin: 0 auto;
}
.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 24px 0;
}
.faq-item h3 { font-size: 1.05rem; color: #fff; margin-bottom: 8px; text-transform: none; }
.faq-item p { color: var(--muted); margin: 0; }

/* ---------------- LOCAL SEO BLOCK ---------------- */
.local-block {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}
.local-block .addr {
  display: inline-block;
  margin-top: 18px;
  padding: 20px 28px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
}
.local-block .addr strong { color: #fff; display: block; margin-bottom: 4px; }
.local-block .addr span { color: var(--muted); font-size: 0.92rem; }

/* ---------------- FOOTER ---------------- */
footer {
  text-align: center;
  padding: 40px 24px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.88rem;
}
footer a { color: var(--muted); }
footer a:hover { color: var(--teal); }
footer p { margin: 0 0 4px; color: var(--muted); }

/* ---------------- BLOG ---------------- */
.blog-hero {
  padding: 80px 24px 50px;
  text-align: center;
  border-bottom: 1px solid var(--border);
}
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  max-width: var(--max-width);
  margin: 0 auto;
}
@media (max-width: 900px) { .blog-grid { grid-template-columns: 1fr; } }

.blog-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px;
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.blog-card:hover { border-color: var(--teal); transform: translateY(-3px); }
.blog-card .date {
  color: var(--teal);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.blog-card h2 { font-size: 1.25rem; text-transform: none; margin-bottom: 12px; }
.blog-card p { color: var(--muted); flex: 1; }
.blog-card .read-more { margin-top: 12px; font-weight: 600; font-size: 0.9rem; }

/* ---------------- ARTICLE ---------------- */
.article-hero {
  padding: 70px 24px 40px;
  border-bottom: 1px solid var(--border);
  text-align: center;
}
.article-hero .meta {
  color: var(--muted);
  font-size: 0.88rem;
  margin-top: 14px;
}
.article-hero .meta span { margin: 0 8px; }

article.post-body {
  max-width: 720px;
  margin: 0 auto;
  padding: 60px 24px 40px;
}
article.post-body h2 {
  font-size: 1.5rem;
  text-transform: none;
  margin-top: 2em;
  color: #fff;
}
article.post-body p { color: var(--text); font-size: 1.05rem; }
article.post-body ul { color: var(--text); font-size: 1.05rem; padding-left: 1.4em; }
article.post-body li { margin-bottom: 0.5em; }
article.post-body .cta-block {
  margin-top: 48px;
  padding: 32px;
  background: var(--surface);
  border: 1px solid var(--teal);
  border-radius: var(--radius);
  text-align: center;
}
article.post-body .cta-block h3 { color: #fff; margin-bottom: 14px; }

.breadcrumb {
  max-width: 720px;
  margin: 24px auto 0;
  padding: 0 24px;
  font-size: 0.85rem;
  color: var(--muted);
}
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--teal); }

/* ---------------- UTIL ---------------- */
.text-center { text-align: center; }
.mt-40 { margin-top: 40px; }