/* ---------------------------------------------------------------
   HealthTeam — base styles
   Palette: fresh greens + soft teal, warm neutral background
--------------------------------------------------------------- */

:root {
  --green-900: #0f3d2e;
  --green-700: #17734f;
  --green-600: #1c9463;
  --green-500: #21a879;
  --green-100: #e5f6ee;
  --teal-500: #0fa3a3;
  --amber-500: #f0a83c;
  --ink: #16241f;
  --ink-soft: #4a5a54;
  --paper: #fbfaf6;
  --paper-alt: #f1f7f2;
  --white: #ffffff;
  --border: #e1e9e3;
  --shadow: 0 10px 30px -12px rgba(15, 61, 46, 0.18);
  --radius-lg: 20px;
  --radius-md: 14px;
  --font-heading: "Poppins", "Segoe UI", sans-serif;
  --font-body: "Inter", "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.65;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--green-900);
  line-height: 1.25;
  margin: 0 0 0.5em;
}

p { margin: 0 0 1em; color: var(--ink-soft); }

a { color: var(--green-700); text-decoration: none; }
a:hover { color: var(--green-600); }

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

.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

.narrow { max-width: 760px; }

.skip-link {
  position: absolute;
  left: -999px;
}

/* ---------------- Header ---------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(251, 250, 246, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-size: 1.25rem;
  color: var(--green-900);
}

.brand-mark { font-size: 1.6rem; }
.brand-name strong { color: var(--green-600); }

.main-nav {
  display: flex;
  gap: 32px;
}

.main-nav a {
  color: var(--ink);
  font-weight: 500;
  font-size: 0.96rem;
  position: relative;
  padding: 6px 0;
}

.main-nav a:hover { color: var(--green-700); }

.nav-toggle, .nav-burger { display: none; }

/* ---------------- Buttons ---------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  border: 2px solid transparent;
}

.btn-primary {
  background: var(--green-600);
  color: var(--white);
  box-shadow: 0 8px 20px -8px rgba(28, 148, 99, 0.55);
}

.btn-primary:hover { background: var(--green-700); color: var(--white); transform: translateY(-1px); }

.btn-outline {
  border-color: var(--green-600);
  color: var(--green-700);
  background: transparent;
}

.btn-outline:hover { background: var(--green-100); transform: translateY(-1px); }

/* ---------------- Hero ---------------- */

.hero {
  background: linear-gradient(160deg, var(--green-100) 0%, var(--paper) 60%);
  padding: 72px 0 56px;
  overflow: hidden;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
}

.eyebrow {
  display: inline-block;
  background: var(--green-100);
  color: var(--green-700);
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 16px;
}

.hero-copy h1 {
  font-size: clamp(2.1rem, 4vw, 3rem);
  margin-bottom: 18px;
}

.hero-copy p {
  font-size: 1.08rem;
  max-width: 520px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  margin-top: 28px;
  flex-wrap: wrap;
}

.hero-art {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-blob {
  position: absolute;
  inset: -10%;
  background: radial-gradient(circle at 30% 30%, var(--green-500), transparent 60%),
              radial-gradient(circle at 70% 70%, var(--teal-500), transparent 55%);
  opacity: 0.2;
  border-radius: 50%;
  filter: blur(10px);
  z-index: 0;
}

.hero-image {
  position: relative;
  z-index: 1;
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

/* ---------------- Page hero (secondary pages) ---------------- */

.page-hero {
  background: var(--green-100);
  padding: 64px 0 48px;
  text-align: center;
}

.page-hero h1 {
  font-size: clamp(1.9rem, 3.6vw, 2.6rem);
  max-width: 760px;
  margin: 0 auto 14px;
}

.page-hero p {
  max-width: 620px;
  margin: 0 auto;
}

.page-hero .eyebrow { display: block; width: fit-content; margin: 0 auto 16px; }

/* ---------------- Sections ---------------- */

.section { padding: 64px 0; }
.section-alt { background: var(--paper-alt); }

.section-head { text-align: center; max-width: 620px; margin: 0 auto 40px; }
.section-head h2 { font-size: clamp(1.6rem, 3vw, 2.1rem); }

.section-cta { text-align: center; margin-top: 36px; }

/* ---------------- Cards ---------------- */

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
}

.topic-card, .post-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.topic-card:hover, .post-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: transparent;
}

.card-media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--green-100);
}

.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s ease;
}

.topic-card:hover .card-media img, .post-card:hover .card-media img {
  transform: scale(1.05);
}

.card-media .card-icon-fallback {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.6rem;
}

.card-body {
  padding: 24px;
}

.topic-icon {
  font-size: 2.1rem;
  display: inline-block;
  margin-bottom: 14px;
}

.topic-card h3, .post-card h3 {
  font-size: 1.15rem;
  margin-bottom: 8px;
  color: var(--green-900);
}

.topic-card p, .post-card p {
  font-size: 0.95rem;
  margin-bottom: 0;
}

.post-tag {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--green-700);
  background: var(--green-100);
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 14px;
}

.post-meta {
  display: block;
  margin-top: 14px;
  font-size: 0.82rem;
  color: var(--ink-soft);
}

/* ---------------- Tips band ---------------- */

.tips-band {
  background: linear-gradient(135deg, var(--green-700), var(--green-900));
  color: var(--white);
}

.tips-inner { text-align: center; }
.tips-band h2 { color: var(--white); margin-bottom: 32px; }

.tips-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
}

.tip {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
  padding: 24px 18px;
}

.tip span { font-size: 1.8rem; display: block; margin-bottom: 10px; }
.tip p { color: rgba(255, 255, 255, 0.9); margin: 0; font-size: 0.92rem; }

/* ---------------- Filter chips ---------------- */

.filter-bar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.chip {
  padding: 8px 18px;
  border-radius: 999px;
  background: var(--white);
  border: 1px solid var(--border);
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--ink-soft);
}

.chip:hover { border-color: var(--green-500); color: var(--green-700); }

.chip-active {
  background: var(--green-600);
  border-color: var(--green-600);
  color: var(--white);
}

.chip-active:hover { color: var(--white); }

.empty-state {
  text-align: center;
  padding: 40px 0;
  color: var(--ink-soft);
}

/* ---------------- Article / blog detail ---------------- */

.article-page { padding: 56px 0 24px; }

.article-banner {
  width: 100%;
  aspect-ratio: 16 / 7;
  object-fit: cover;
  border-radius: var(--radius-lg);
  margin-bottom: 28px;
  box-shadow: var(--shadow);
}

.breadcrumb {
  font-size: 0.85rem;
  color: var(--ink-soft);
  margin-bottom: 18px;
}

.article-page h1 {
  font-size: clamp(1.8rem, 3.4vw, 2.5rem);
  margin-bottom: 12px;
}

.article-summary {
  font-size: 1.08rem;
  color: var(--ink-soft);
}

.article-meta {
  display: flex;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--ink-soft);
  margin-bottom: 32px;
}

.prose {
  font-size: 1.02rem;
}

.prose h2 {
  margin-top: 2em;
  font-size: 1.4rem;
  border-top: 1px solid var(--border);
  padding-top: 1em;
}

.prose h3 {
  margin-top: 1.6em;
  font-size: 1.15rem;
  color: var(--green-700);
}

.prose ul, .prose ol { padding-left: 1.4em; color: var(--ink-soft); }
.prose li { margin-bottom: 0.4em; }
.prose strong { color: var(--ink); }
.prose hr { border: none; border-top: 1px solid var(--border); margin: 2.2em 0; }
.prose blockquote {
  border-left: 3px solid var(--green-500);
  margin: 1.4em 0;
  padding: 0.4em 1.2em;
  background: var(--green-100);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: var(--ink-soft);
}

/* ---------------- Footer ---------------- */

.site-footer {
  background: var(--green-900);
  color: rgba(255, 255, 255, 0.85);
  padding: 56px 0 20px;
  margin-top: 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.9fr 1fr 1fr;
  gap: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-brand { padding-right: 20px; }
.footer-brand .brand-name { color: var(--white); }
.footer-brand p { color: rgba(255, 255, 255, 0.65); font-size: 0.9rem; margin-top: 12px; }

.site-footer h4 {
  color: var(--white);
  font-size: 0.95rem;
  margin-bottom: 14px;
}

.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 8px; }
.site-footer a { color: rgba(255, 255, 255, 0.7); font-size: 0.9rem; }
.site-footer a:hover { color: var(--white); }

.footer-bottom {
  padding-top: 20px;
  text-align: center;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.55);
}

/* ---------------- Responsive ---------------- */

@media (max-width: 860px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-art { height: 180px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .main-nav {
    position: absolute;
    top: 74px;
    left: 0;
    right: 0;
    background: var(--paper);
    flex-direction: column;
    padding: 12px 24px 20px;
    gap: 4px;
    border-bottom: 1px solid var(--border);
    display: none;
  }

  .main-nav a { padding: 10px 0; }

  .nav-burger {
    display: flex;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
  }

  .nav-burger span {
    width: 22px;
    height: 2px;
    background: var(--green-900);
    display: block;
  }

  .nav-toggle:checked ~ .main-nav { display: flex; }

  .footer-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .hero-emoji { font-size: 2.2rem; padding: 22px 16px; }
}