/* ============================
   RxDeck Landing Page Styles
   ============================ */

:root {
  --color-bg: #ffffff;
  --color-bg-alt: #f3faf8;
  --color-ink: #0d1b2a;
  --color-ink-soft: #48586a;
  --color-ink-faint: #829099;
  --color-border: #dde7e4;

  --color-primary: #0e9c8e;
  --color-primary-dark: #0a7b70;
  --color-primary-light: #e2f7f3;
  --color-accent: #ff7a52;

  --gradient-brand: linear-gradient(135deg, #0a7b70 0%, #0e9c8e 45%, #22d3ee 100%);
  --gradient-text: linear-gradient(90deg, #0a7b70, #14b8a6 55%, #ff7a52);

  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Space Grotesk', 'Inter', sans-serif;

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;

  --shadow-sm: 0 1px 2px rgba(20, 20, 43, 0.06);
  --shadow-md: 0 8px 24px rgba(20, 20, 43, 0.08);
  --shadow-lg: 0 20px 48px rgba(20, 20, 43, 0.12);

  --container-w: 1120px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--color-ink);
  background: var(--color-bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

.container {
  width: 100%;
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 24px;
}

.text-gradient {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 16px;
}

.eyebrow-light {
  color: #a8f0e4;
  background: rgba(255, 255, 255, 0.12);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-body);
  font-weight: 600;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, opacity 0.15s ease;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover { background: var(--color-primary-dark); transform: translateY(-1px); box-shadow: var(--shadow-md); }

.btn-ghost {
  background: transparent;
  color: var(--color-ink);
  border: 1.5px solid var(--color-border);
}
.btn-ghost:hover { border-color: var(--color-primary); color: var(--color-primary); }

.btn-lg { padding: 14px 28px; font-size: 16px; }
.btn-sm { padding: 9px 18px; font-size: 14px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
}

.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--gradient-brand);
  color: #fff;
  font-size: 15px;
  font-weight: 700;
}

.logo-text { color: var(--color-ink); }

.nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav a {
  font-size: 15px;
  font-weight: 500;
  color: var(--color-ink-soft);
  transition: color 0.15s ease;
}
.nav a:hover { color: var(--color-primary); }

.nav-cta { flex-shrink: 0; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: transparent;
  border: none;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--color-ink);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding: 108px 0 96px;
}

.hero-bg {
  position: absolute;
  inset: -20% -10% auto -10%;
  height: 620px;
  background:
    radial-gradient(circle at 15% 20%, rgba(14, 156, 142, 0.16), transparent 55%),
    radial-gradient(circle at 85% 10%, rgba(255, 122, 82, 0.13), transparent 50%);
  pointer-events: none;
  z-index: -1;
}

.hero-inner {
  max-width: 780px;
  text-align: left;
}

.hero h1 {
  font-size: clamp(34px, 5vw, 56px);
  margin-bottom: 24px;
}

.hero-sub {
  font-size: 18px;
  color: var(--color-ink-soft);
  max-width: 640px;
  margin-bottom: 36px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 40px;
}

.hero-tools {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 14px;
  color: var(--color-ink-faint);
}

.tool-chip {
  font-size: 13px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  color: var(--color-ink-soft);
}

/* ---------- About ---------- */
.about { padding: 88px 0; background: var(--color-bg-alt); }

.about-inner {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 64px;
  align-items: center;
}

.about-copy h2 { font-size: clamp(26px, 3vw, 34px); margin-bottom: 20px; }
.about-copy p { color: var(--color-ink-soft); margin-bottom: 16px; font-size: 16px; }
.about-copy p:last-child { margin-bottom: 0; }

.about-stats {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.stat-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 22px 24px;
  box-shadow: var(--shadow-sm);
}

.stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: 30px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 6px;
}

.stat-label { font-size: 14px; color: var(--color-ink-soft); }

/* ---------- Section head ---------- */
.section-head { max-width: 560px; margin: 0 auto 48px; text-align: center; }
.section-head h2 { font-size: clamp(26px, 3vw, 34px); margin-bottom: 12px; }
.section-sub { color: var(--color-ink-soft); font-size: 16px; }
.section-head-light h2 { color: #fff; }

/* ---------- Posts ---------- */
.posts { padding: 96px 0; }

.post-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.post-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.post-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.post-card-featured {
  grid-column: span 2;
  background: var(--gradient-brand);
  color: #fff;
  border: none;
}
.post-card-featured .post-tag { background: rgba(255,255,255,0.18); color: #fff; }
.post-card-featured p { color: rgba(255,255,255,0.85); }
.post-card-featured .post-link { color: #fff; }

.post-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 999px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  margin-bottom: 16px;
}

.post-tag-alt { background: #fff0ea; color: #d9531f; }

.post-card h3 {
  font-size: 20px;
  margin-bottom: 10px;
  line-height: 1.3;
}

.post-card-featured h3 { font-size: 24px; max-width: 560px; }

.post-card p {
  color: var(--color-ink-soft);
  font-size: 15px;
  margin-bottom: 20px;
}

.post-link {
  font-weight: 600;
  font-size: 14px;
  color: var(--color-primary);
}

/* ---------- Post list page ---------- */
.post-list-page { padding-top: 56px; }

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-top: 48px;
}

.pagination-info {
  font-size: 14px;
  color: var(--color-ink-soft);
}

/* ---------- Post detail page ---------- */
.post-detail { padding: 56px 0 96px; }

.post-detail-layout {
  display: grid;
  grid-template-columns: minmax(0, 760px) 1fr;
  gap: 48px;
  align-items: start;
}

.post-detail-main { min-width: 0; }

.post-detail-main > .post-link { display: inline-block; margin-bottom: 8px; }

.post-detail-main h1 {
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1.25;
  margin: 8px 0 16px;
}

.post-detail-main > .section-sub {
  text-align: left;
  margin-bottom: 32px;
}

.post-embed iframe {
  display: block;
  width: 100%;
  border: 0;
  overflow: hidden;
}

.post-sidebar {
  position: sticky;
  top: 24px;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
}

.post-sidebar h3 {
  font-family: var(--font-display);
  font-size: 18px;
  margin-bottom: 16px;
}

.post-sidebar-list { list-style: none; }

.post-sidebar-list li + li { margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--color-border); }

.post-sidebar-list a { display: block; }

.post-sidebar-list .post-tag { margin-bottom: 8px; }

.post-sidebar-title {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-ink);
  line-height: 1.4;
}

.post-sidebar-list a:hover .post-sidebar-title { color: var(--color-primary); }

.post-sidebar-empty { font-size: 14px; color: var(--color-ink-soft); }

.post-content {
  color: var(--color-ink);
  font-size: 17px;
  line-height: 1.75;
}

.post-content > * + * { margin-top: 20px; }

.post-content h2 {
  font-family: var(--font-display);
  font-size: 26px;
  margin-top: 40px;
}

.post-content h3 {
  font-family: var(--font-display);
  font-size: 21px;
  margin-top: 32px;
}

.post-content p { color: var(--color-ink-soft); }

.post-content a { color: var(--color-primary); text-decoration: underline; }

.post-content ul,
.post-content ol {
  padding-left: 24px;
  color: var(--color-ink-soft);
}
.post-content li + li { margin-top: 8px; }

.post-content blockquote {
  border-left: 3px solid var(--color-primary);
  padding: 4px 20px;
  color: var(--color-ink-soft);
  font-style: italic;
}

.post-content img {
  max-width: 100%;
  border-radius: var(--radius-md);
}

.post-content strong { color: var(--color-ink); }

/* ---------- Benefits ---------- */
.benefits {
  padding: 96px 0;
  background: #0a1622;
  background-image:
    radial-gradient(circle at 80% 0%, rgba(20,184,166,0.32), transparent 55%),
    radial-gradient(circle at 10% 100%, rgba(255,122,82,0.14), transparent 50%);
  color: #fff;
}

.benefit-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.benefit-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  padding: 28px 24px;
}

.benefit-icon {
  font-size: 26px;
  margin-bottom: 16px;
}

.benefit-card h3 { font-size: 17px; margin-bottom: 8px; }
.benefit-card p { font-size: 14px; color: rgba(255,255,255,0.7); }

/* ---------- Newsletter ---------- */
.newsletter {
  padding: 96px 0;
  background: var(--color-bg-alt);
}

.newsletter-inner {
  max-width: 560px;
  margin: 0 auto;
  text-align: center;
}

.newsletter-inner h2 { font-size: clamp(24px, 3vw, 32px); margin-bottom: 12px; }
.newsletter-inner p { color: var(--color-ink-soft); margin-bottom: 28px; }

.newsletter-form {
  display: flex;
  gap: 10px;
  margin-bottom: 14px;
}

.newsletter-form input {
  flex: 1;
  padding: 13px 18px;
  border-radius: 999px;
  border: 1.5px solid var(--color-border);
  font-family: var(--font-body);
  font-size: 15px;
  outline: none;
  transition: border-color 0.15s ease;
}
.newsletter-form input:focus { border-color: var(--color-primary); }

.newsletter-note { font-size: 13px; color: var(--color-ink-faint); }

/* ---------- Contact ---------- */
.contact {
  padding: 96px 0;
  background: var(--color-bg);
}

.contact-inner {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
}

.contact-inner p.section-sub { margin-bottom: 32px; }

.contact-email {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  color: var(--color-ink);
  padding: 14px 28px;
  border: 1.5px solid var(--color-border);
  border-radius: 999px;
  margin-bottom: 32px;
  transition: border-color 0.15s ease, color 0.15s ease, background 0.15s ease;
}
.contact-email:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-light);
}

.contact-socials {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
}

.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1.5px solid var(--color-border);
  color: var(--color-ink-soft);
  transition: border-color 0.15s ease, color 0.15s ease, background 0.15s ease, transform 0.15s ease;
}
.social-link:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-light);
  transform: translateY(-2px);
}
.social-link svg { width: 18px; height: 18px; }

/* ---------- Footer ---------- */
.site-footer {
  background: #071019;
  color: rgba(255,255,255,0.7);
  padding-top: 72px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1.4fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand p { margin-top: 14px; font-size: 14px; max-width: 260px; color: rgba(255,255,255,0.55); }
.footer-brand .logo-text { color: #fff; }

.footer-links {
  display: flex;
  gap: 48px;
}

.footer-col h4 {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: rgba(255,255,255,0.4);
  margin-bottom: 16px;
}

.footer-col a {
  display: block;
  font-size: 14px;
  color: rgba(255,255,255,0.75);
  margin-bottom: 12px;
}
.footer-col a:hover { color: #fff; }

.footer-disclosure h4 {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: rgba(255,255,255,0.4);
  margin-bottom: 16px;
}
.footer-disclosure p {
  font-size: 13px;
  line-height: 1.7;
  color: rgba(255,255,255,0.55);
}

.footer-bottom {
  padding: 24px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255,255,255,0.4);
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .about-inner { grid-template-columns: 1fr; gap: 40px; }
  .post-grid { grid-template-columns: 1fr; }
  .post-card-featured { grid-column: span 1; }
  .post-card-featured h3 { max-width: 100%; }
  .benefit-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .footer-links { gap: 32px; }
  .post-detail-layout { grid-template-columns: 1fr; gap: 32px; }
  .post-sidebar { position: static; }
}

@media (max-width: 720px) {
  .nav { display: none; }
  .nav-cta { display: none; }
  .nav-toggle { display: flex; }

  .site-header.nav-open .nav {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: #fff;
    padding: 20px 24px;
    gap: 18px;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
  }
  .site-header.nav-open .nav-cta {
    display: inline-flex;
    position: absolute;
    top: 260px;
    left: 24px;
  }

  .hero { padding: 72px 0 64px; text-align: left; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-tools { justify-content: flex-start; }

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

  .newsletter-form { flex-direction: column; }
}

@media (max-width: 480px) {
  .container { padding: 0 18px; }
}