:root {
  --blue-900: #0C2A1E;
  --blue-800: #1B5E43;
  --blue-700: #206B4D;
  --blue-600: #26795A;
  --blue-500: #369268;
  --blue-400: #5BB489;
  --blue-100: #C4E3D3;
  --blue-50: #EAF5EF;
  --ink: #1A2530;
  --ink-soft: #46566A;
  --ink-mute: #7A8A9C;
  --line: #E4EAF1;
  --line-soft: #EFF3F8;
  --paper: #FFFFFF;
  --paper-alt: #F5F9FD;
  --radius: 14px;
  --radius-lg: 20px;
  --shadow-sm: 0 1px 3px rgba(16,64,44,0.06), 0 1px 2px rgba(16,64,44,0.04);
  --shadow-md: 0 6px 20px rgba(16,64,44,0.08), 0 2px 6px rgba(16,64,44,0.05);
  --shadow-lg: 0 18px 46px rgba(16,64,44,0.13);
  --max-width: 1120px;
  font-size: 17px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: var(--max-width); margin: 0 auto; padding: 0 28px; }

h1, h2, h3 { line-height: 1.2; margin: 0 0 0.6em; color: var(--blue-900); font-weight: 700; letter-spacing: -0.015em; }
h1 { font-size: clamp(2rem, 3.6vw, 2.9rem); }
h2 { font-size: clamp(1.5rem, 2.4vw, 2rem); margin-bottom: 0.7em; }
h3 { font-size: 1.15rem; color: var(--ink); letter-spacing: -0.01em; }
p { margin: 0 0 1em; color: var(--ink-soft); }

a { color: var(--blue-600); text-decoration: none; }
a:hover { text-decoration: underline; }

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

/* ---- Header ---- */
.site-header {
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(12px);
  z-index: 20;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 15px 28px; flex-wrap: wrap; gap: 10px; }
.logo { font-weight: 800; font-size: 1.2rem; color: var(--blue-900); text-decoration: none; letter-spacing: -0.02em; }
.logo span { color: var(--blue-400); font-weight: 500; }
.main-nav { display: flex; gap: 22px; flex-wrap: wrap; }
.main-nav a { color: var(--ink-soft); font-size: 0.92rem; font-weight: 500; transition: color 0.15s; }
.main-nav a:hover { color: var(--blue-700); text-decoration: none; }

/* ---- Hero ---- */
.hero {
  background:
    radial-gradient(1200px 400px at 80% -10%, rgba(78,155,224,0.12), transparent 60%),
    linear-gradient(180deg, var(--blue-50), #ffffff 90%);
  padding: 68px 0 76px;
  border-bottom: 1px solid var(--line);
}
.hero-inner { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 48px; align-items: center; }
.eyebrow {
  display: inline-block; font-size: 0.78rem; font-weight: 700;
  color: var(--blue-600); letter-spacing: 0.08em; text-transform: uppercase;
  margin-bottom: 14px; padding: 6px 14px; background: rgba(255,255,255,0.8);
  border: 1px solid var(--blue-100); border-radius: 999px;
}
.hero h1 { margin-bottom: 18px; }
.lead { font-size: 1.3rem; line-height: 1.55; color: var(--ink-soft); max-width: 40ch; }
.hero-actions { margin: 26px 0 16px; }
.disclaimer-links { font-size: 0.92rem; margin-bottom: 16px; color: var(--ink-mute); }
.disclaimer-links a { font-weight: 600; color: var(--blue-700); }
.disclaimer { font-size: 0.86rem; color: var(--ink-mute); max-width: 46ch; }

.hero-image {
  background: linear-gradient(160deg, #ffffff, var(--blue-50));
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px;
  text-align: center;
  box-shadow: var(--shadow-lg);
  position: relative;
}
.hero-image::before {
  content: ""; position: absolute; inset: 0;
  border-radius: var(--radius-lg);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.7);
  pointer-events: none;
}
.hero-image img { border-radius: 10px; margin: 0 auto; }
.caption { margin: 14px 0 0; font-size: 0.85rem; color: var(--ink-mute); font-weight: 500; }

/* ---- Buttons ---- */
.btn {
  display: inline-block; padding: 13px 26px; border-radius: 999px;
  font-weight: 600; font-size: 0.95rem; text-decoration: none;
  border: 1px solid transparent; transition: transform 0.12s, background 0.15s, box-shadow 0.15s;
}
.btn:hover { text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--blue-800); color: #fff; box-shadow: 0 6px 16px rgba(27,94,67,0.28); }
.btn-primary:hover { background: var(--blue-900); box-shadow: 0 8px 22px rgba(27,94,67,0.34); }
.btn-outline { background: #fff; color: var(--blue-800); border-color: var(--blue-100); width: 100%; text-align: center; box-shadow: var(--shadow-sm); }
.btn-outline:hover { background: var(--blue-800); color: #fff; border-color: var(--blue-800); box-shadow: var(--shadow-md); }

/* ---- Sections ---- */
.section { padding: 68px 0; }
.section-alt { background: var(--paper-alt); border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); }
.section > .wrap > p { max-width: 68ch; font-size: 1.08rem; }

/* ---- Check list ---- */
.check-list {
  list-style: none; padding: 0; margin: 8px 0 1.4em;
  display: grid; grid-template-columns: 1fr 1fr; gap: 12px 24px; max-width: 720px;
}
.check-list li {
  color: var(--ink-soft); padding: 12px 16px 12px 42px; position: relative;
  background: var(--paper); border: 1px solid var(--line); border-radius: 10px;
  font-weight: 500; box-shadow: var(--shadow-sm);
}
.check-list li::before {
  content: ""; position: absolute; left: 15px; top: 50%; transform: translateY(-50%) rotate(-45deg);
  width: 9px; height: 5px; border-left: 2.5px solid var(--blue-500); border-bottom: 2.5px solid var(--blue-500);
  margin-top: -1px;
}

.note {
  font-size: 0.92rem; color: var(--ink-mute);
  border-left: 3px solid var(--blue-100); padding: 4px 0 4px 16px; margin-top: 26px;
}

/* ---- Protocol ---- */
.protocol-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; margin-top: 28px; }
.protocol-card {
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px; box-shadow: var(--shadow-sm); transition: transform 0.15s, box-shadow 0.15s;
  position: relative; overflow: hidden;
}
.protocol-card::before {
  content: ""; position: absolute; top: 0; left: 0; width: 100%; height: 4px;
  background: linear-gradient(90deg, var(--blue-500), var(--blue-400));
}
.protocol-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.protocol-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; border-radius: 12px;
  background: linear-gradient(150deg, var(--blue-700), var(--blue-500));
  color: #fff; font-weight: 700; font-size: 1.1rem; margin-bottom: 14px;
  box-shadow: 0 4px 10px rgba(27,94,67,0.25);
}
.protocol-card p { font-size: 0.95rem; margin-bottom: 0; }

/* ---- Docs ---- */
.doc-list { display: flex; flex-direction: column; gap: 16px; margin-top: 28px; }
.doc-card {
  display: flex; align-items: flex-start; gap: 20px;
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px 24px; text-decoration: none; box-shadow: var(--shadow-sm);
  transition: border-color 0.15s, transform 0.15s, box-shadow 0.15s;
}
.doc-card:hover { border-color: var(--blue-400); text-decoration: none; transform: translateY(-2px); box-shadow: var(--shadow-md); }
.doc-icon {
  flex-shrink: 0; width: 52px; height: 52px; border-radius: 12px;
  background: linear-gradient(150deg, var(--blue-800), var(--blue-600));
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-size: 0.78rem; font-weight: 700; letter-spacing: 0.03em;
  box-shadow: 0 4px 10px rgba(27,94,67,0.22);
}
.doc-text strong { display: block; color: var(--ink); font-size: 1.02rem; margin-bottom: 5px; font-weight: 700; }
.doc-text span { display: block; color: var(--ink-soft); font-size: 0.92rem; }
.fine-print { font-size: 0.8rem; color: var(--ink-mute); margin-top: 20px; }

/* ---- Videos ---- */
.video-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; margin-top: 28px; }
.video-card h3 { margin-bottom: 14px; font-size: 1.05rem; }
.video-embed {
  position: relative; padding-top: 56.25%; border-radius: var(--radius);
  overflow: hidden; background: #0C2A1E; box-shadow: var(--shadow-md);
}
.video-embed iframe { position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: 0; }

/* ---- Guide image ---- */
.guide-image {
  max-width: 100%; height: auto; border-radius: var(--radius);
  border: 1px solid var(--line); margin-top: 22px; box-shadow: var(--shadow-md);
}

/* ---- Shop ---- */
.shop-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 28px; }
.shop-card {
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px 24px; display: flex; flex-direction: column;
  box-shadow: var(--shadow-sm); transition: transform 0.15s, box-shadow 0.15s, border-color 0.15s;
}
.shop-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--blue-100); }
.shop-card h3 { margin-bottom: 10px; color: var(--blue-900); }
.shop-card p { font-size: 0.93rem; flex-grow: 1; margin-bottom: 22px; }
.shop-cta { text-align: center; margin-top: 36px; }

/* ---- Info cards ---- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; margin-top: 28px; }
.info-card {
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px; box-shadow: var(--shadow-sm);
}
.info-card h3 { color: var(--blue-900); }
.info-card p:last-child { margin-bottom: 0; }
.info-card a { font-weight: 600; }

/* ---- Footer ---- */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 40px 0;
  background: linear-gradient(180deg, var(--blue-900), #06180F);
}
.site-footer p { color: var(--blue-100); font-size: 0.86rem; margin: 0 0 8px; }
.site-footer .fine-print { color: #6E8BA8; }

/* ---- Responsive ---- */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; gap: 36px; }
  .hero-image { order: -1; max-width: 400px; }
  .protocol-grid, .video-grid, .contact-grid { grid-template-columns: 1fr; }
  .shop-grid { grid-template-columns: 1fr 1fr; }
  .check-list { grid-template-columns: 1fr; }
  .main-nav { display: none; }
  .section { padding: 52px 0; }
}
@media (max-width: 520px) {
  .shop-grid { grid-template-columns: 1fr; }
  .hero { padding: 44px 0 52px; }
}

/* ============================================
   ANIMATIONS & MOTION
   ============================================ */

/* Hero entrance on load */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes floatBob {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-10px); }
}
@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50%      { background-position: 100% 50%; }
}

.hero-text > * { opacity: 0; animation: fadeUp 0.7s ease forwards; }
.hero-text .eyebrow      { animation-delay: 0.05s; }
.hero-text h1            { animation-delay: 0.15s; }
.hero-text .lead         { animation-delay: 0.28s; }
.hero-text .hero-actions { animation-delay: 0.4s; }
.hero-text .disclaimer-links { animation-delay: 0.5s; }
.hero-text .disclaimer   { animation-delay: 0.58s; }

.hero-image {
  opacity: 0;
  animation: fadeUp 0.9s ease 0.35s forwards;
}
.hero-image img {
  animation: floatBob 5.5s ease-in-out 1.2s infinite;
}

/* Animated hero background wash */
.hero {
  background-size: 100% 100%, 200% 200%;
  animation: gradientShift 18s ease-in-out infinite;
}

/* Scroll-reveal — elements start hidden, .is-visible fades them in */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
/* Stagger children (cards) within a revealed group */
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal-stagger.is-visible > * {
  opacity: 1;
  transform: translateY(0);
}
.reveal-stagger.is-visible > *:nth-child(1) { transition-delay: 0.05s; }
.reveal-stagger.is-visible > *:nth-child(2) { transition-delay: 0.14s; }
.reveal-stagger.is-visible > *:nth-child(3) { transition-delay: 0.23s; }
.reveal-stagger.is-visible > *:nth-child(4) { transition-delay: 0.32s; }

/* Richer hovers */
.btn-primary { position: relative; overflow: hidden; }
.btn-primary::after {
  content: ""; position: absolute; top: 0; left: -80%; width: 60%; height: 100%;
  background: linear-gradient(100deg, transparent, rgba(255,255,255,0.28), transparent);
  transform: skewX(-20deg); transition: left 0.6s ease;
}
.btn-primary:hover::after { left: 130%; }

.doc-card .doc-text strong { transition: color 0.15s; }
.doc-card:hover .doc-text strong { color: var(--blue-700); }

/* ---- Mobile menu ---- */
.nav-toggle {
  display: none;
  background: none; border: 1px solid var(--line); border-radius: 10px;
  width: 44px; height: 44px; cursor: pointer; padding: 0;
  align-items: center; justify-content: center;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  content: ""; display: block; width: 20px; height: 2px; background: var(--blue-900);
  border-radius: 2px; transition: transform 0.25s ease, opacity 0.25s ease; position: relative;
}
.nav-toggle span::before { position: absolute; top: -6px; }
.nav-toggle span::after  { position: absolute; top: 6px; }
.nav-toggle.open span { background: transparent; }
.nav-toggle.open span::before { transform: translateY(6px) rotate(45deg); }
.nav-toggle.open span::after  { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 900px) {
  .nav-toggle { display: inline-flex; }
  .main-nav {
    display: flex; flex-direction: column; gap: 0;
    position: absolute; top: 100%; left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-md);
    max-height: 0; overflow: hidden; transition: max-height 0.3s ease;
  }
  .main-nav.open { max-height: 400px; }
  .main-nav a { padding: 14px 28px; border-top: 1px solid var(--line-soft); width: 100%; }
  .header-inner { position: relative; }
}

/* Respect reduced-motion preference */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .hero-text > *, .hero-image { opacity: 1 !important; transform: none !important; }
  .reveal, .reveal-stagger > * { opacity: 1 !important; transform: none !important; }
}

/* ---- Reviews / testimonials ---- */
.review-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 28px; }
.review-card {
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 24px; margin: 0; box-shadow: var(--shadow-sm);
  display: flex; flex-direction: column; transition: transform 0.15s, box-shadow 0.15s;
}
.review-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.review-stars { color: #E4A72C; font-size: 1rem; letter-spacing: 0.08em; margin-bottom: 14px; }
.review-card blockquote {
  margin: 0 0 20px; padding: 0; border: 0; font-size: 0.96rem; color: var(--ink);
  line-height: 1.55; flex-grow: 1;
}
.review-card blockquote::before { content: "\201C"; color: var(--blue-400); font-size: 1.4rem; font-weight: 700; margin-right: 2px; }
.review-card figcaption { display: flex; flex-direction: column; gap: 3px; border-top: 1px solid var(--line-soft); padding-top: 14px; }
.review-name { font-weight: 600; font-size: 0.88rem; color: var(--ink-soft); }
.review-badge { font-size: 0.75rem; color: var(--blue-600); font-weight: 500; letter-spacing: 0.01em; }
.reviews-cta { text-align: center; margin-top: 34px; font-size: 1rem; }
.reviews-cta a { font-weight: 600; }

@media (max-width: 900px) {
  .review-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 520px) {
  .review-grid { grid-template-columns: 1fr; }
}