/* ═══════════════════════════════════════════════════════════════
   PEPTIDES IN MEXICO — Design System
   Theme: Dark medical premium
   Typography: Playfair Display (headlines) + Inter (body)
   Colors: Deep navy + teal/emerald accents
   ═══════════════════════════════════════════════════════════════ */

/* --- VARIABLES --- */
:root {
  --bg-deep:       #0B0F1A;
  --bg-surface:    #111827;
  --bg-card:       #1A2235;
  --bg-card-hover: #1F2A40;
  --bg-accent:     #0D2E3A;

  --text-primary:  #E8ECF1;
  --text-secondary:#94A3B8;
  --text-muted:    #64748B;

  --accent:        #2DD4A8;       /* teal-emerald */
  --accent-dim:    #1A9E7A;
  --accent-glow:   rgba(45, 212, 168, 0.15);
  --accent-warm:   #F59E0B;       /* gold for highlights */

  --danger:        #EF4444;
  --partial:       #F59E0B;
  --success:       #2DD4A8;

  --radius:        12px;
  --radius-sm:     8px;
  --radius-lg:     20px;

  --shadow-card:   0 4px 24px rgba(0,0,0,0.3);
  --shadow-hover:  0 8px 40px rgba(0,0,0,0.4);

  --font-display:  'Playfair Display', Georgia, serif;
  --font-body:     'Inter', -apple-system, sans-serif;

  --container:     1200px;
  --gap:           24px;
}

/* --- RESET --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
  font-family: var(--font-body);
  background: var(--bg-deep);
  color: var(--text-primary);
  line-height: 1.7;
  font-size: 16px;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: var(--accent); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--accent-dim); }

/* --- CONTAINER --- */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gap);
}

/* --- SECTION UTILITIES --- */
.section-kicker {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}
.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 60px;
}
.section-desc {
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-top: 16px;
}
section {
  padding: 100px 0;
}

/* --- TYPOGRAPHY --- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.2;
  font-weight: 700;
}
h1 { font-size: clamp(2.4rem, 5vw, 3.6rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); }
h3 { font-size: 1.25rem; font-family: var(--font-body); font-weight: 700; }
h1 em {
  font-style: italic;
  color: var(--accent);
}

/* --- BUTTONS --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
  text-decoration: none;
}
.btn-primary {
  background: var(--accent);
  color: var(--bg-deep);
}
.btn-primary:hover {
  background: var(--accent-dim);
  color: var(--bg-deep);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--accent-glow);
}
.btn-ghost {
  background: transparent;
  color: var(--text-primary);
  border: 1.5px solid var(--text-muted);
}
.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.btn-whatsapp {
  background: #25D366;
  color: #fff;
}
.btn-whatsapp:hover {
  background: #1EBE57;
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(37,211,102,0.25);
}
.btn-whatsapp svg {
  width: 22px;
  height: 22px;
}
.btn-lg {
  padding: 18px 40px;
  font-size: 1.05rem;
}

/* ═══════════════════════════════════════════════════════════════
   NAV
   ═══════════════════════════════════════════════════════════════ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(11, 15, 26, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.nav-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gap);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}
.nav-logo-img {
  height: 44px;
  width: auto;
  filter: brightness(0) invert(1);
}
.logo-mark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--accent);
  background: var(--accent-glow);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  letter-spacing: 0.05em;
}
.logo-text {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-primary);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-links a {
  color: var(--text-secondary);
  font-size: 0.88rem;
  font-weight: 500;
  transition: color 0.2s;
  position: relative;
}
.nav-links a:hover { color: var(--text-primary); }
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.3s ease;
}
.nav-links a:hover::after { width: 100%; }
.nav-cta {
  background: var(--accent) !important;
  color: var(--bg-deep) !important;
  padding: 10px 24px !important;
  border-radius: 50px !important;
  font-weight: 600 !important;
}
.nav-cta::after { display: none !important; }
.nav-cta:hover {
  background: var(--accent-dim) !important;
  transform: translateY(-1px);
}
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: all 0.3s;
}

/* ═══════════════════════════════════════════════════════════════
   HERO
   ═══════════════════════════════════════════════════════════════ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding: 120px 0 80px;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(-45deg, #0B0F1A, #0D2E3A, #0B0F1A, #112233);
  background-size: 400% 400%;
  animation: gradientShift 20s ease infinite;
  z-index: 0;
}
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 50%, var(--accent-glow) 0%, transparent 70%);
}
@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gap);
}
.hero-kicker {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}
.hero h1 {
  margin-bottom: 24px;
}
.hero-sub {
  max-width: 560px;
  color: var(--text-secondary);
  font-size: 1.1rem;
  line-height: 1.8;
  margin-bottom: 40px;
}
.hero-proof {
  display: flex;
  gap: 40px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}
.proof-item {
  display: flex;
  flex-direction: column;
}
.proof-num {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent);
}
.proof-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.hero-ctas {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* Floating molecules */
.hero-visual {
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  z-index: 1;
  pointer-events: none;
}
.molecule {
  position: absolute;
  border-radius: 50%;
  opacity: 0.12;
  animation: float 8s ease-in-out infinite;
}
.m1 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, var(--accent), transparent 70%);
  top: 15%; right: 5%;
  animation-delay: 0s;
}
.m2 {
  width: 180px; height: 180px;
  background: radial-gradient(circle, #60A5FA, transparent 70%);
  top: 55%; right: 25%;
  animation-delay: -3s;
}
.m3 {
  width: 120px; height: 120px;
  background: radial-gradient(circle, var(--accent-warm), transparent 70%);
  top: 30%; right: 35%;
  animation-delay: -5s;
}
.m4 {
  width: 200px; height: 200px;
  background: radial-gradient(circle, var(--accent), transparent 70%);
  top: 70%; right: 10%;
  animation-delay: -2s;
}
@keyframes float {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-30px) scale(1.05); }
}

/* ═══════════════════════════════════════════════════════════════
   PROBLEM
   ═══════════════════════════════════════════════════════════════ */
.problem {
  background: var(--bg-surface);
  border-top: 1px solid rgba(255,255,255,0.04);
}
.problem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.problem-text h2 {
  margin-bottom: 20px;
}
.problem-text p {
  color: var(--text-secondary);
  margin-bottom: 16px;
  font-size: 1.05rem;
}
.problem-stats {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.stat-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: transform 0.3s, box-shadow 0.3s;
}
.stat-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}
.stat-icon {
  color: var(--danger);
  font-size: 1.2rem;
}
.stat-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent-warm);
  min-width: 80px;
}
.stat-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ═══════════════════════════════════════════════════════════════
   GUIDE
   ═══════════════════════════════════════════════════════════════ */
.guide {
  background: var(--bg-deep);
}
.guide-inner {
  text-align: center;
}
.guide-inner h2 {
  margin-bottom: 48px;
}
.guide-pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  text-align: left;
}
.pillar {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 32px;
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
}
.pillar:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--accent);
}
.pillar-icon {
  width: 48px;
  height: 48px;
  background: var(--accent-glow);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.pillar-icon svg {
  width: 24px;
  height: 24px;
  color: var(--accent);
}
.pillar h3 { margin-bottom: 12px; }
.pillar p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* ═══════════════════════════════════════════════════════════════
   SOLUTIONS (7 BUCKETS)
   ═══════════════════════════════════════════════════════════════ */
.solutions {
  background: var(--bg-surface);
}
.bucket-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.bucket-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 32px;
  position: relative;
  overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
}
.bucket-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--accent);
}
.bucket-card-accent {
  border-color: var(--accent);
  background: var(--bg-accent);
}
.bucket-num {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  color: rgba(255,255,255,0.04);
  position: absolute;
  top: 12px;
  right: 16px;
  line-height: 1;
}
.bucket-icon-wrap {
  margin-bottom: 16px;
}
.bucket-emoji {
  font-size: 2rem;
}
.bucket-card h3 {
  margin-bottom: 12px;
  color: var(--text-primary);
}
.bucket-card p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  margin-bottom: 16px;
  line-height: 1.6;
}
.bucket-peptides {
  font-size: 0.82rem;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 8px;
}
.bucket-system {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
/* Last card spans remaining space to center */
.bucket-grid .bucket-card:last-child {
  grid-column: 2 / 3;
}

/* ═══════════════════════════════════════════════════════════════
   SCIENCE
   ═══════════════════════════════════════════════════════════════ */
.science {
  background: var(--bg-deep);
}
.science-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.science-text h2 { margin-bottom: 20px; }
.science-text p {
  color: var(--text-secondary);
  margin-bottom: 16px;
  font-size: 1.02rem;
}
.science-systems {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 24px 0;
}
.system-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-sm);
  padding: 20px;
}
.system-card h4 {
  font-family: var(--font-body);
  color: var(--accent);
  font-size: 1rem;
  margin-bottom: 8px;
}
.system-card p {
  font-size: 0.88rem;
  margin-bottom: 0;
}
.science-bottom {
  font-weight: 500;
  color: var(--text-primary) !important;
  font-size: 1.02rem;
}

/* Cell diagram */
.cell-diagram {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-lg);
  padding: 40px;
}
.cell-outer {
  width: 100%;
  aspect-ratio: 1;
  border-radius: 50%;
  border: 2px solid rgba(45,212,168,0.2);
  position: relative;
  background: radial-gradient(circle at 40% 40%, var(--bg-accent), var(--bg-card));
}
.cell-mito, .cell-nucleus {
  position: absolute;
  border-radius: var(--radius-sm);
  padding: 12px;
  text-align: center;
}
.cell-mito {
  background: rgba(45,212,168,0.1);
  border: 1px solid rgba(45,212,168,0.3);
  top: 20%;
  left: 15%;
  width: 40%;
}
.cell-nucleus {
  background: rgba(96,165,250,0.1);
  border: 1px solid rgba(96,165,250,0.3);
  bottom: 22%;
  right: 15%;
  width: 40%;
}
.cell-mito span, .cell-nucleus span {
  font-weight: 700;
  font-size: 0.85rem;
  display: block;
}
.cell-mito small, .cell-nucleus small {
  font-size: 0.72rem;
  color: var(--text-muted);
}
.cell-receptor {
  position: absolute;
  background: rgba(245,158,11,0.1);
  border: 1px solid rgba(245,158,11,0.3);
  padding: 6px 10px;
  border-radius: var(--radius-sm);
}
.cell-receptor small {
  font-size: 0.7rem;
  color: var(--accent-warm);
  white-space: nowrap;
}
.r1 { top: 5%; right: 20%; }
.r2 { bottom: 8%; left: 10%; }
.r3 { top: 55%; right: 5%; }
.diagram-caption {
  text-align: center;
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 16px;
}

/* ═══════════════════════════════════════════════════════════════
   PROCESS (3 STEPS)
   ═══════════════════════════════════════════════════════════════ */
.process {
  background: var(--bg-surface);
}
.steps-grid {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
}
.step {
  flex: 1;
  max-width: 320px;
  text-align: center;
  padding: 0 20px;
}
.step-num {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--bg-deep);
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}
.step h3 { margin-bottom: 12px; }
.step p {
  color: var(--text-secondary);
  font-size: 0.92rem;
}
.step-connector {
  display: flex;
  align-items: center;
  padding-top: 28px;
}
.connector-line {
  width: 60px;
  height: 2px;
  background: linear-gradient(to right, var(--accent), var(--accent-dim));
  opacity: 0.4;
}

/* ═══════════════════════════════════════════════════════════════
   TRUST
   ═══════════════════════════════════════════════════════════════ */
.trust {
  background: var(--bg-deep);
}
.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.trust-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 28px;
  text-align: center;
  transition: transform 0.3s, box-shadow 0.3s;
}
.trust-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.trust-icon {
  width: 52px;
  height: 52px;
  background: var(--accent-glow);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}
.trust-icon svg {
  width: 26px;
  height: 26px;
  color: var(--accent);
}
.trust-card h3 {
  margin-bottom: 10px;
  font-size: 1.05rem;
}
.trust-card p {
  color: var(--text-secondary);
  font-size: 0.88rem;
}

/* ═══════════════════════════════════════════════════════════════
   COMPARISON TABLE
   ═══════════════════════════════════════════════════════════════ */
.comparison {
  background: var(--bg-surface);
}
.comparison-table {
  overflow-x: auto;
}
.comparison-table table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}
.comparison-table th, .comparison-table td {
  padding: 16px 20px;
  text-align: center;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.comparison-table th {
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
}
.comparison-table th.highlight {
  color: var(--accent);
  font-size: 0.82rem;
}
.comparison-table td.highlight {
  background: rgba(45,212,168,0.05);
}
.row-label {
  text-align: left !important;
  font-weight: 600;
  color: var(--text-primary);
}
.yes { color: var(--success); font-weight: 600; }
.no { color: var(--text-muted); }
.partial { color: var(--partial); }

/* ═══════════════════════════════════════════════════════════════
   DOCTORS (Track B)
   ═══════════════════════════════════════════════════════════════ */
.doctors {
  background: var(--bg-deep);
  border-top: 1px solid rgba(45,212,168,0.1);
  border-bottom: 1px solid rgba(45,212,168,0.1);
}
.doctors-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 60px;
  align-items: center;
}
.doctors-text h2 { margin-bottom: 20px; }
.doctors-text p {
  color: var(--text-secondary);
  font-size: 1.02rem;
  margin-bottom: 16px;
}
.doctors-benefits {
  list-style: none;
  margin: 24px 0;
}
.doctors-benefits li {
  padding: 8px 0 8px 28px;
  position: relative;
  color: var(--text-secondary);
  font-size: 0.95rem;
}
.doctors-benefits li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 14px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.7;
}
.doctors-plan {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 28px 0;
  padding: 24px;
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.06);
}
.plan-step {
  display: flex;
  align-items: center;
  gap: 16px;
  color: var(--text-secondary);
  font-size: 0.92rem;
}
.plan-num {
  width: 32px;
  height: 32px;
  min-width: 32px;
  border-radius: 50%;
  background: var(--accent-glow);
  color: var(--accent);
  font-weight: 700;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
}
.doctors-quote blockquote {
  background: var(--bg-card);
  border-left: 4px solid var(--accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 32px;
  margin-bottom: 32px;
}
.doctors-quote blockquote p {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-style: italic;
  color: var(--text-primary);
  line-height: 1.5;
}
.bq-footer {
  font-family: var(--font-body) !important;
  font-style: normal !important;
  font-size: 0.95rem !important;
  color: var(--accent) !important;
  margin-top: 16px !important;
  font-weight: 600;
}
.doctors-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.doc-stat {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-sm);
  padding: 20px;
  text-align: center;
}
.doc-stat-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  display: block;
}
.doc-stat span:last-child {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ═══════════════════════════════════════════════════════════════
   CONSULTATION
   ═══════════════════════════════════════════════════════════════ */
.consultation {
  background: var(--bg-surface);
}
.consult-card {
  max-width: 560px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 2px solid var(--accent);
  border-radius: var(--radius-lg);
  padding: 48px;
  text-align: center;
  position: relative;
}
.consult-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: var(--bg-deep);
  font-weight: 700;
  font-size: 0.78rem;
  padding: 6px 20px;
  border-radius: 50px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}
.consult-card h2 {
  margin-bottom: 8px;
}
.consult-price {
  margin-bottom: 8px;
}
.consult-price .price {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--accent);
}
.consult-desc {
  color: var(--text-secondary);
  font-size: 1rem;
  margin-bottom: 24px;
}
.consult-includes {
  list-style: none;
  text-align: left;
  margin-bottom: 28px;
}
.consult-includes li {
  padding: 8px 0;
  color: var(--text-secondary);
  font-size: 0.92rem;
  padding-left: 28px;
  position: relative;
}
.consult-includes li::before {
  content: '\2713';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}
.consult-note {
  margin-top: 16px;
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* ═══════════════════════════════════════════════════════════════
   FAQ
   ═══════════════════════════════════════════════════════════════ */
.faq {
  background: var(--bg-deep);
}
.faq-grid {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq-item {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: border-color 0.3s;
}
.faq-item[open] {
  border-color: var(--accent);
}
.faq-item summary {
  padding: 20px 24px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  color: var(--text-primary);
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  font-size: 1.4rem;
  color: var(--accent);
  transition: transform 0.3s;
  font-weight: 300;
}
.faq-item[open] summary::after {
  transform: rotate(45deg);
}
.faq-item p {
  padding: 0 24px 20px;
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.7;
}

/* ═══════════════════════════════════════════════════════════════
   FINAL CTA
   ═══════════════════════════════════════════════════════════════ */
.final-cta {
  background: linear-gradient(135deg, var(--bg-accent), var(--bg-deep));
  padding: 120px 0;
}
.cta-inner {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}
.cta-inner h2 {
  margin-bottom: 20px;
}
.cta-inner > p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-bottom: 36px;
}
.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.cta-sub {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ═══════════════════════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════════════════════ */
.footer {
  background: var(--bg-surface);
  padding: 60px 0 32px;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-logo-img {
  height: 36px;
  width: auto;
  filter: brightness(0) invert(1);
  margin-bottom: 16px;
}
.footer-brand .logo-mark {
  display: inline-block;
  margin-bottom: 16px;
}
.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.88rem;
  margin-bottom: 12px;
}
.footer-legal {
  font-size: 0.78rem !important;
  color: var(--text-muted) !important;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-links h4 {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 8px;
}
.footer-links a {
  color: var(--text-secondary);
  font-size: 0.88rem;
}
.footer-links a:hover { color: var(--accent); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: 24px;
  text-align: center;
}
.footer-bottom p {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* ═══════════════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .problem-grid,
  .science-grid,
  .doctors-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .guide-pillars {
    grid-template-columns: 1fr;
  }
  .bucket-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .bucket-grid .bucket-card:last-child {
    grid-column: auto;
  }
  .trust-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  section { padding: 60px 0; }

  .nav-links {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(11,15,26,0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 24px;
    gap: 16px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
  }
  .nav-links.active { display: flex; }
  .nav-toggle { display: flex; }
  .nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translateY(7px); }
  .nav-toggle.active span:nth-child(2) { opacity: 0; }
  .nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translateY(-7px); }

  .hero { padding: 100px 0 60px; min-height: auto; }
  .hero-visual { display: none; }
  .hero-proof { gap: 20px; }
  .proof-item { flex: 1; min-width: 80px; }

  .bucket-grid { grid-template-columns: 1fr; }
  .trust-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }

  .steps-grid {
    flex-direction: column;
    align-items: center;
  }
  .step-connector {
    transform: rotate(90deg);
    padding-top: 0;
  }

  .science-systems {
    grid-template-columns: 1fr;
  }
  .cell-diagram { display: none; }

  .comparison-table { font-size: 0.82rem; }
  .comparison-table th, .comparison-table td { padding: 12px 10px; }

  .doctors-stats { grid-template-columns: 1fr; }
  .consult-card { padding: 32px 24px; }

  .hero-ctas, .cta-buttons {
    flex-direction: column;
    align-items: stretch;
  }
  .btn { justify-content: center; }

  .final-cta { padding: 80px 0; }
}

@media (max-width: 480px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }
  .hero-proof { flex-wrap: wrap; gap: 16px; }
  .proof-num { font-size: 1.4rem; }
}

/* ═══════════════════════════════════════════════════════════════
   REBUILD ADDITIONS — reveal (no CDN AOS), form, wa-float, disclosure
   ═══════════════════════════════════════════════════════════════ */

/* Reveal on scroll — replaces AOS. No-JS = fully visible (content first). */
html.js-reveal [data-aos] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
  will-change: opacity, transform;
}
html.js-reveal [data-aos].aos-animate {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  html.js-reveal [data-aos] { opacity: 1 !important; transform: none !important; transition: none !important; }
}

/* Skip link */
.skip-link {
  position: absolute; top: -60px; left: 12px; z-index: 2000;
  background: var(--accent); color: var(--bg-deep); padding: 10px 18px;
  border-radius: var(--radius-sm); font-weight: 700; transition: top 0.2s;
}
.skip-link:focus { top: 12px; }

/* Contact form */
.contact-block { padding: 100px 0; background: var(--bg-surface); }
.contact-grid {
  display: grid; grid-template-columns: 1fr 1.1fr; gap: 56px;
  max-width: 1080px; margin: 0 auto; align-items: start;
}
.contact-info h2 { margin-bottom: 16px; }
.contact-info > p { color: var(--text-secondary); margin-bottom: 28px; }
.contact-channels { display: flex; flex-direction: column; gap: 16px; margin-bottom: 28px; }
.contact-channel { display: flex; gap: 14px; align-items: flex-start; }
.contact-channel .ic {
  flex-shrink: 0; width: 42px; height: 42px; border-radius: 50%;
  background: var(--bg-accent); display: flex; align-items: center; justify-content: center;
  color: var(--accent); font-size: 1.1rem;
}
.contact-channel strong { display: block; color: var(--text-primary); font-size: 0.95rem; }
.contact-channel a, .contact-channel span { color: var(--text-secondary); font-size: 0.92rem; }
.contact-channel a:hover { color: var(--accent); }

.form-card {
  background: var(--bg-card); border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-lg); padding: 40px; box-shadow: var(--shadow-card);
}
.form-card h3 { font-family: var(--font-display); font-size: 1.4rem; margin-bottom: 6px; }
.form-note { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 24px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block; font-size: 0.82rem; font-weight: 600; color: var(--text-secondary);
  margin-bottom: 7px; letter-spacing: 0.02em;
}
.form-group label .req { color: var(--accent); }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; background: var(--bg-deep); border: 1px solid rgba(255,255,255,0.1);
  color: var(--text-primary); border-radius: var(--radius-sm); padding: 12px 14px;
  font-family: var(--font-body); font-size: 0.95rem; transition: border-color 0.2s, box-shadow 0.2s;
}
.form-group input::placeholder, .form-group textarea::placeholder { color: var(--text-muted); }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-glow);
}
.form-group select { appearance: none; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%2394A3B8' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 14px center; padding-right: 36px; }
.form-group textarea { min-height: 110px; resize: vertical; }
.form-group input.invalid, .form-group select.invalid, .form-group textarea.invalid { border-color: var(--danger); }
.form-error { display: none; color: var(--danger); font-size: 0.78rem; margin-top: 5px; }
.form-group.has-error .form-error { display: block; }
.phone-wrap { display: flex; }
.phone-prefix {
  flex-shrink: 0; display: flex; align-items: center; padding: 0 12px;
  background: var(--bg-accent); border: 1px solid rgba(255,255,255,0.1); border-right: none;
  border-radius: var(--radius-sm) 0 0 var(--radius-sm); color: var(--text-secondary); font-size: 0.9rem; min-width: 58px; justify-content: center;
}
.phone-wrap input { border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }
.phone-hint { display: block; font-size: 0.72rem; color: var(--text-muted); margin-top: 5px; }
.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-submit { width: 100%; justify-content: center; margin-top: 6px; }
.form-submit:disabled { opacity: 0.6; cursor: wait; }
.form-status { display: none; margin-top: 16px; padding: 12px 16px; border-radius: var(--radius-sm); font-size: 0.9rem; }
.form-status.success { display: block; background: rgba(45,212,168,0.12); color: var(--accent); border: 1px solid rgba(45,212,168,0.3); }
.form-status.error { display: block; background: rgba(239,68,68,0.12); color: #FCA5A5; border: 1px solid rgba(239,68,68,0.3); }
.form-privacy { font-size: 0.75rem; color: var(--text-muted); margin-top: 14px; }

/* WhatsApp float */
.wa-float {
  position: fixed; bottom: 24px; right: 24px; z-index: 999;
  width: 56px; height: 56px; background: #25D366; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 16px rgba(37,211,102,0.35); transition: transform 0.3s, box-shadow 0.3s;
}
.wa-float:hover { transform: scale(1.1); box-shadow: 0 6px 24px rgba(37,211,102,0.45); }
.wa-float svg { width: 28px; height: 28px; fill: #fff; }

/* AI disclosure */
.ai-disclosure {
  text-align: center; font-size: 0.75rem; color: var(--text-muted);
  padding: 18px var(--gap) 0; max-width: var(--container); margin: 0 auto;
}

/* Back to top */
.to-top {
  position: fixed; bottom: 24px; left: 24px; z-index: 998;
  width: 44px; height: 44px; border-radius: 50%; border: none; cursor: pointer;
  background: var(--bg-card); color: var(--text-primary); font-size: 1.2rem;
  box-shadow: var(--shadow-card); opacity: 0; transform: translateY(10px);
  transition: opacity 0.3s, transform 0.3s;
}
.to-top.show { opacity: 1; transform: none; }
.to-top:hover { background: var(--bg-card-hover); }

@media (max-width: 860px) {
  .contact-grid { grid-template-columns: 1fr; gap: 36px; }
  .form-row { grid-template-columns: 1fr; }
  .form-card { padding: 28px; }
}

/* 404 page (moved from inline for CSP style-src 'self') */
.nf { min-height: 80vh; display: flex; align-items: center; justify-content: center; text-align: center; }
.nf .code { font-family: var(--font-display); font-size: clamp(5rem, 14vw, 9rem); color: var(--accent); line-height: 1; }
.nf h1 { font-family: var(--font-display); margin: 10px 0 16px; }
.nf p { color: var(--text-secondary); max-width: 460px; margin: 0 auto 28px; }
.nf-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }