/* ==========================================================================
   GLP3 Weight Loss — Global Design System
   Clinical, premium, dark-mode telehealth platform
   ========================================================================== */

/* --- CSS Custom Properties (Design Tokens) --- */
:root {
  /* Navy scale */
  --navy-900: #040B18;
  --navy-800: #0a1628;
  --navy-700: #0d2a46;
  --navy-600: #123b73;

  /* Blue accents */
  --blue-500: #1B7AE5;
  --blue-400: #5ba3f5;
  --blue-300: #93c5fd;
  --teal-500: #0EA5E9;

  /* Neutrals */
  --white: #ffffff;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;

  /* Semantic */
  --green-500: #10b981;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  /* Surfaces */
  --surface-glass: rgba(255, 255, 255, 0.04);
  --surface-glass-hover: rgba(255, 255, 255, 0.08);
  --border-glass: rgba(255, 255, 255, 0.08);
  --border-glass-hover: rgba(255, 255, 255, 0.15);

  /* Spacing (8px grid) */
  --sp-1: 4px;
  --sp-2: 8px;
  --sp-3: 12px;
  --sp-4: 16px;
  --sp-5: 20px;
  --sp-6: 24px;
  --sp-8: 32px;
  --sp-10: 40px;
  --sp-12: 48px;
  --sp-16: 64px;
  --sp-20: 80px;
  --sp-24: 96px;

  /* Radii */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 20px;
  --radius-pill: 100px;

  /* Shadows */
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.25);
  --shadow-glow: 0 0 60px rgba(27, 122, 229, 0.15);
  --shadow-glow-strong: 0 0 80px rgba(27, 122, 229, 0.25);

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --duration-fast: 150ms;
  --duration-normal: 250ms;
  --duration-slow: 400ms;
}


/* --- Reset & Base --- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-weight: 400;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--navy-900);
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-out);
}

ul, ol { list-style: none; }

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

::selection {
  background: var(--blue-500);
  color: var(--white);
}


/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.15;
  color: var(--text-primary);
}

h1 { font-size: clamp(2.25rem, 5vw, 3.75rem); font-weight: 800; letter-spacing: -0.03em; }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.75rem); font-weight: 700; letter-spacing: -0.02em; }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); font-weight: 600; }
h4 { font-size: 1.125rem; font-weight: 600; }

p { color: var(--text-secondary); }

.text-muted { color: var(--text-muted); }
.text-gradient {
  background: linear-gradient(135deg, #5ba3f5 0%, #0EA5E9 40%, #93c5fd 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 2px 20px rgba(91, 163, 245, 0.3));
}


/* --- Layout --- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--sp-6);
}

.section {
  padding: var(--sp-24) 0;
  position: relative;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue-400);
  margin-bottom: var(--sp-4);
}

.section-label::before {
  content: '';
  display: inline-block;
  width: 24px;
  height: 2px;
  background: var(--blue-500);
  border-radius: 1px;
}

.section-header {
  max-width: 680px;
  margin-bottom: var(--sp-16);
}

.section-header.centered {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

.section-header p {
  margin-top: var(--sp-4);
  font-size: 1.125rem;
  line-height: 1.7;
}


/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1;
  padding: var(--sp-4) var(--sp-8);
  border-radius: var(--radius-md);
  transition: all var(--duration-normal) var(--ease-out);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--blue-500);
  color: var(--white);
  box-shadow: 0 2px 12px rgba(27, 122, 229, 0.3);
}

.btn-primary:hover {
  background: var(--blue-400);
  box-shadow: 0 4px 20px rgba(27, 122, 229, 0.4);
  transform: translateY(-1px);
}

.btn-glass {
  background: var(--surface-glass);
  color: var(--text-primary);
  border: 1px solid var(--border-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.btn-glass:hover {
  background: var(--surface-glass-hover);
  border-color: var(--border-glass-hover);
  transform: translateY(-1px);
}

.btn-pill {
  border-radius: var(--radius-pill);
  padding: var(--sp-3) var(--sp-6);
  font-size: 0.875rem;
}

.btn-lg {
  padding: var(--sp-5) var(--sp-10);
  font-size: 1rem;
  border-radius: var(--radius-md);
}


/* --- Cards --- */
.card {
  background: var(--surface-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: var(--sp-8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: all var(--duration-normal) var(--ease-out);
}

.card:hover {
  background: var(--surface-glass-hover);
  border-color: var(--border-glass-hover);
  box-shadow: var(--shadow-card);
  transform: translateY(-2px);
}


/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--sp-4) 0;
  transition: all var(--duration-normal) var(--ease-out);
}

.nav.scrolled {
  background: rgba(4, 11, 24, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-glass);
  padding: var(--sp-3) 0;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-8);
}

.nav-logo {
  font-size: 1.375rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--white);
  flex-shrink: 0;
}

.nav-logo span {
  color: var(--blue-500);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--sp-8);
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--duration-fast) var(--ease-out);
}

.nav-links a:hover {
  color: var(--white);
}

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

/* Mobile menu toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--sp-2);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--duration-normal) var(--ease-out);
}

.nav-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}


/* --- Hero --- */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 120px 0 0;
  background: 
    radial-gradient(ellipse 80% 60% at 70% 20%, rgba(27, 122, 229, 0.15) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 20% 80%, rgba(14, 165, 233, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse 50% 40% at 50% 50%, rgba(18, 59, 115, 0.2) 0%, transparent 60%),
    linear-gradient(180deg, #030810 0%, #040B18 30%, #071526 60%, #040B18 100%);
}

/* Animated glow orbs — CSS only */
.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  z-index: 0;
}

.hero-bg::before,
.hero-bg::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.5;
  will-change: transform;
}

.hero-bg::before {
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(27, 122, 229, 0.4), transparent 70%);
  top: -15%;
  right: -5%;
  animation: orbFloat 14s ease-in-out infinite;
}

.hero-bg::after {
  width: 550px;
  height: 550px;
  background: radial-gradient(circle, rgba(14, 165, 233, 0.3), transparent 70%);
  bottom: -5%;
  left: -8%;
  animation: orbFloat 18s ease-in-out infinite reverse;
}

.hero-orb-3 {
  position: absolute;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(18, 59, 115, 0.5), transparent 65%);
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.6;
  top: 35%;
  left: 25%;
  animation: orbFloat 20s ease-in-out infinite 2s;
}

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(40px, -50px) scale(1.08); }
  66% { transform: translate(-30px, 30px) scale(0.92); }
}

.hero-content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: var(--sp-16);
  align-items: center;
}

.hero-text {
  max-width: 600px;
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  background: var(--surface-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-pill);
  padding: var(--sp-2) var(--sp-4);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--blue-300);
  margin-bottom: var(--sp-8);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.hero-kicker .pulse {
  width: 8px;
  height: 8px;
  background: var(--green-500);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

.hero h1 {
  margin-bottom: var(--sp-6);
}

.hero-sub {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: var(--sp-10);
  max-width: 520px;
}

.hero-ctas {
  display: flex;
  gap: var(--sp-4);
  flex-wrap: wrap;
  margin-bottom: var(--sp-10);
}

.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-6);
}

.hero-trust-item {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-muted);
}

.hero-trust-item svg {
  width: 16px;
  height: 16px;
  color: var(--green-500);
  flex-shrink: 0;
}

/* Hero image */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
}

.hero-image-wrapper {
  position: relative;
  width: 100%;
  max-width: 460px;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-glow-strong);
}

.hero-image-wrapper::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, var(--navy-900) 0%, transparent 40%);
  pointer-events: none;
}

.hero-image-wrapper img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  aspect-ratio: 4 / 5;
}

/* Floating protocol card */
.protocol-card {
  animation: cardFloat 5s ease-in-out infinite;
  position: absolute;
  bottom: 60px;
  left: -30px;
  background: rgba(10, 22, 40, 0.9);
  border: 1px solid var(--border-glass-hover);
  border-radius: var(--radius-lg);
  padding: var(--sp-4) var(--sp-6);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 2;
  box-shadow: var(--shadow-card);
  animation: floatCard 6s ease-in-out infinite;
}
@keyframes cardFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}


@keyframes floatCard {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.protocol-card-label {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--blue-400);
  margin-bottom: var(--sp-2);
}

.protocol-card-stats {
  display: flex;
  gap: var(--sp-6);
}

.protocol-card-stat {
  text-align: center;
}

.protocol-card-stat .value {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--white);
}

.protocol-card-stat .label {
  font-size: 0.6875rem;
  color: var(--text-muted);
  margin-top: 2px;
}

/* Stats bar */
.hero-stats {
  position: relative;
  z-index: 1;
  margin-top: var(--sp-16);
}

.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--surface-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  overflow: hidden;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.stat-item {
  padding: var(--sp-8) var(--sp-6);
  text-align: center;
  border-right: 1px solid var(--border-glass);
}

.stat-item:last-child {
  border-right: none;
}

.stat-value {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-top: var(--sp-1);
}


/* --- Trust Bar --- */
.trust-bar {
  padding: var(--sp-8) 0;
  border-top: 1px solid var(--border-glass);
  border-bottom: 1px solid var(--border-glass);
  overflow: hidden;
}

.trust-bar-inner {
  display: flex;
  gap: var(--sp-12);
  animation: marquee 30s linear infinite;
}

.trust-bar-item {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  white-space: nowrap;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
}

.trust-bar-item svg {
  width: 18px;
  height: 18px;
  color: var(--blue-400);
  flex-shrink: 0;
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}


/* --- How It Works --- */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-8);
}

.step-card {
  background: var(--surface-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: var(--sp-10) var(--sp-8);
  position: relative;
  transition: all var(--duration-normal) var(--ease-out);
}

.step-card:hover {
  background: var(--surface-glass-hover);
  border-color: var(--border-glass-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.step-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--blue-500), var(--teal-500));
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: var(--sp-6);
}

.step-card h3 {
  margin-bottom: var(--sp-3);
}

.step-card p {
  font-size: 0.9375rem;
  line-height: 1.7;
  margin-bottom: var(--sp-4);
}

.step-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--blue-300);
  background: rgba(27, 122, 229, 0.1);
  border: 1px solid rgba(27, 122, 229, 0.2);
  border-radius: var(--radius-pill);
  padding: var(--sp-1) var(--sp-3);
}

.step-icon {
  width: 40px;
  height: 40px;
  margin-bottom: var(--sp-4);
  color: var(--blue-400);
}


/* --- Programs / Pricing --- */
.programs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-8);
  align-items: start;
}

.program-card {
  background: var(--surface-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  padding: var(--sp-10) var(--sp-8);
  position: relative;
  transition: all var(--duration-normal) var(--ease-out);
}

.program-card:hover {
  border-color: var(--border-glass-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.program-card.featured {
  border-color: var(--blue-500);
  box-shadow: var(--shadow-glow);
  background: rgba(27, 122, 229, 0.05);
}

.program-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--blue-500), var(--teal-500));
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: var(--sp-2) var(--sp-4);
  border-radius: var(--radius-pill);
  white-space: nowrap;
}

.program-name {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: var(--sp-2);
}

.program-price {
  display: flex;
  align-items: baseline;
  gap: var(--sp-1);
  margin-bottom: var(--sp-2);
}

.program-price .amount {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.03em;
}

.program-price .period {
  font-size: 0.9375rem;
  color: var(--text-muted);
}

.program-drug {
  font-size: 0.875rem;
  color: var(--blue-300);
  font-weight: 500;
  margin-bottom: var(--sp-2);
}

.program-loss {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: var(--sp-8);
  padding-bottom: var(--sp-8);
  border-bottom: 1px solid var(--border-glass);
}

.program-features {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  margin-bottom: var(--sp-8);
}

.program-feature {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.program-feature svg {
  width: 18px;
  height: 18px;
  color: var(--green-500);
  flex-shrink: 0;
  margin-top: 1px;
}

.program-card .btn {
  width: 100%;
  justify-content: center;
}


/* --- Clinical Results --- */
.results-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-6);
  margin-bottom: var(--sp-12);
}

.result-card {
  background: var(--surface-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: var(--sp-8);
  text-align: center;
  transition: all var(--duration-normal) var(--ease-out);
}

.result-card:hover {
  border-color: var(--border-glass-hover);
  transform: translateY(-2px);
}

.result-value {
  font-size: clamp(2rem, 3vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: var(--sp-2);
}

.result-value.blue { color: var(--blue-400); }
.result-value.teal { color: var(--teal-500); }
.result-value.green { color: var(--green-500); }
.result-value.white { color: var(--white); }

.result-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: var(--sp-1);
}

.result-source {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.evidence-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-4);
}

.evidence-item {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.evidence-item svg {
  width: 18px;
  height: 18px;
  color: var(--blue-400);
  flex-shrink: 0;
  margin-top: 2px;
}


/* --- Testimonials --- */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-6);
}

.testimonial-card {
  background: var(--surface-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: var(--sp-8);
  transition: all var(--duration-normal) var(--ease-out);
}

.testimonial-card:hover {
  border-color: var(--border-glass-hover);
  transform: translateY(-2px);
}

.testimonial-stars {
  display: flex;
  gap: 2px;
  margin-bottom: var(--sp-4);
}

.testimonial-stars svg {
  width: 16px;
  height: 16px;
  color: #f59e0b;
}

.testimonial-quote {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: var(--sp-6);
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

.testimonial-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue-500), var(--teal-500));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--white);
  flex-shrink: 0;
}

.testimonial-name {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--white);
}

.testimonial-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
}


/* --- FAQ --- */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.faq-item {
  background: var(--surface-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--duration-normal) var(--ease-out);
}

.faq-item.active {
  border-color: var(--border-glass-hover);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--sp-6) var(--sp-8);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  text-align: left;
  cursor: pointer;
  background: none;
  border: none;
  font-family: inherit;
  transition: color var(--duration-fast) var(--ease-out);
}

.faq-question:hover {
  color: var(--blue-300);
}

.faq-icon {
  width: 24px;
  height: 24px;
  color: var(--text-muted);
  transition: transform var(--duration-normal) var(--ease-out);
  flex-shrink: 0;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
  color: var(--blue-400);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--duration-slow) var(--ease-out);
}

.faq-answer-inner {
  padding: 0 var(--sp-8) var(--sp-6);
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--text-secondary);
}


/* --- Final CTA --- */
.final-cta {
  text-align: center;
  padding: var(--sp-24) 0;
  position: relative;
  overflow: hidden;
}

.final-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(27, 122, 229, 0.1) 0%, transparent 70%);
  pointer-events: none;
}

.final-cta .container {
  position: relative;
  z-index: 1;
}

.final-cta h2 {
  margin-bottom: var(--sp-4);
}

.final-cta > .container > p {
  font-size: 1.125rem;
  max-width: 500px;
  margin: 0 auto var(--sp-10);
}

.cta-badges {
  display: flex;
  justify-content: center;
  gap: var(--sp-6);
  margin-bottom: var(--sp-10);
}

.cta-badge {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.cta-badge svg {
  width: 18px;
  height: 18px;
  color: var(--blue-400);
}

.cta-note {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-top: var(--sp-6);
}


/* --- Footer --- */
.footer {
  background: var(--navy-800);
  border-top: 1px solid var(--border-glass);
  padding: var(--sp-16) 0 var(--sp-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--sp-12);
  margin-bottom: var(--sp-12);
}

.footer-brand p {
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--text-muted);
  margin-top: var(--sp-4);
  max-width: 300px;
}

.footer-col h4 {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: var(--sp-4);
}

.footer-col a {
  display: block;
  font-size: 0.875rem;
  color: var(--text-muted);
  padding: var(--sp-1) 0;
  transition: color var(--duration-fast) var(--ease-out);
}

.footer-col a:hover {
  color: var(--white);
}

.footer-bottom {
  padding-top: var(--sp-8);
  border-top: 1px solid var(--border-glass);
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}

.footer-copyright {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.footer-disclaimer {
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 900px;
  opacity: 0.7;
}


/* --- Scroll Reveal --- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children */
.reveal-stagger > .reveal:nth-child(1) { transition-delay: 0ms; }
.reveal-stagger > .reveal:nth-child(2) { transition-delay: 100ms; }
.reveal-stagger > .reveal:nth-child(3) { transition-delay: 200ms; }
.reveal-stagger > .reveal:nth-child(4) { transition-delay: 300ms; }
.reveal-stagger > .reveal:nth-child(5) { transition-delay: 400ms; }
.reveal-stagger > .reveal:nth-child(6) { transition-delay: 500ms; }


/* --- Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }

  .trust-bar-inner {
    animation: none;
  }
}


/* --- Responsive: Tablet (max 1024px) --- */
@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    gap: var(--sp-12);
  }

  .hero-visual {
    order: -1;
    max-width: 400px;
    margin: 0 auto;
  }

  .hero-text {
    text-align: center;
    margin: 0 auto;
  }

  .hero-ctas {
    justify-content: center;
  }

  .hero-trust {
    justify-content: center;
  }

  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
  }

  .stat-item:nth-child(2) {
    border-right: none;
  }

  .stat-item:nth-child(1),
  .stat-item:nth-child(2) {
    border-bottom: 1px solid var(--border-glass);
  }

  .steps-grid,
  .programs-grid,
  .testimonials-grid {
    grid-template-columns: 1fr;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
  }

  .results-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .evidence-list {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .nav-links {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(4, 11, 24, 0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--sp-10);
    z-index: 999;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    font-size: 1.25rem;
  }

  .nav-toggle {
    display: flex;
    z-index: 1001;
  }
}


/* --- Responsive: Mobile (max 768px) --- */
@media (max-width: 768px) {
  .section {
    padding: var(--sp-16) 0;
  }

  .hero {
    padding-top: 100px;
    min-height: auto;
  }

  h1 { font-size: clamp(1.75rem, 6vw, 2.5rem); }

  .protocol-card {
    left: 0;
    right: 0;
    bottom: 40px;
    margin: 0 auto;
    width: max-content;
  }

  .hero-image-wrapper {
    max-width: 320px;
  }

  .cta-badges {
    flex-direction: column;
    align-items: center;
    gap: var(--sp-3);
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--sp-8);
  }
}


/* --- Responsive: Small (max 480px) --- */
@media (max-width: 480px) {
  .container {
    padding: 0 var(--sp-4);
  }

  .stats-bar {
    grid-template-columns: 1fr;
  }

  .stat-item {
    border-right: none;
    border-bottom: 1px solid var(--border-glass);
  }

  .stat-item:last-child {
    border-bottom: none;
  }

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

  .testimonials-grid {
    gap: var(--sp-4);
  }

  .program-card {
    padding: var(--sp-8) var(--sp-6);
  }

  .hero-ctas {
    flex-direction: column;
    align-items: center;
  }

  .hero-ctas .btn {
    width: 100%;
  }
}
}

/* ==========================================================================
   CONTENT PAGES — Article/Doc/FAQ page styles
   ========================================================================== */

/* Breadcrumb Bar */
.breadcrumb-bar {
  background: var(--navy-800);
  border-bottom: 1px solid var(--border-glass);
  padding: var(--sp-4) 0;
  margin-top: 72px; /* below fixed nav */
}
.breadcrumb {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}
.breadcrumb a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
}
.breadcrumb a:hover { color: var(--blue-400); }
.breadcrumb .sep {
  margin: 0 8px;
  opacity: 0.4;
}

/* Page Hero */
.page-hero {
  background: linear-gradient(180deg, var(--navy-800) 0%, var(--navy-900) 100%);
  padding: var(--sp-12) 0 var(--sp-10);
  border-bottom: 1px solid var(--border-glass);
}
.page-hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.1;
  letter-spacing: -0.02em;
  max-width: 820px;
}

/* Content Section */
.content-section {
  padding: var(--sp-12) 0 var(--sp-16);
}
.content-section > .container {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: var(--sp-12);
  align-items: start;
}

/* Article Content — the main content area */
.article-content {
  max-width: 820px;
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.75;
}

/* Headings */
.article-content h1 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-primary);
  margin: var(--sp-10) 0 var(--sp-6);
  line-height: 1.15;
}
.article-content h2 {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: var(--sp-10) 0 var(--sp-5);
  padding-bottom: var(--sp-3);
  border-bottom: 1px solid var(--border-glass);
  line-height: 1.2;
}
.article-content h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: var(--sp-8) 0 var(--sp-4);
  line-height: 1.3;
}
.article-content h4 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--blue-400);
  margin: var(--sp-6) 0 var(--sp-3);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 0.85rem;
}

/* Paragraphs */
.article-content p {
  margin-bottom: var(--sp-5);
  color: var(--text-secondary);
}

/* Strong/Bold */
.article-content strong,
.article-content b {
  color: var(--text-primary);
  font-weight: 600;
}

/* Links */
.article-content a {
  color: var(--blue-400);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: all 0.2s;
}
.article-content a:hover {
  color: var(--blue-300);
  border-bottom-color: var(--blue-400);
}

/* Lists */
.article-content ul,
.article-content ol {
  margin: var(--sp-4) 0 var(--sp-6);
  padding-left: var(--sp-6);
}
.article-content li {
  margin-bottom: var(--sp-3);
  color: var(--text-secondary);
  line-height: 1.6;
}
.article-content ul li::marker {
  color: var(--blue-500);
}
.article-content ol li::marker {
  color: var(--blue-400);
  font-weight: 600;
}

/* Tables */
.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--sp-6) 0 var(--sp-8);
  font-size: 0.9rem;
  background: var(--surface-glass);
  border: 1px solid var(--border-glass);
  border-radius: 12px;
  overflow: hidden;
}
.article-content th {
  text-align: left;
  padding: var(--sp-4);
  background: rgba(27, 122, 229, 0.08);
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--border-glass);
}
.article-content td {
  padding: var(--sp-3) var(--sp-4);
  border-bottom: 1px solid var(--border-glass);
  color: var(--text-secondary);
}
.article-content tr:last-child td {
  border-bottom: none;
}
.article-content tr:hover td {
  background: rgba(255,255,255,0.02);
}

/* Blockquotes */
.article-content blockquote {
  border-left: 3px solid var(--blue-500);
  padding: var(--sp-4) var(--sp-6);
  margin: var(--sp-6) 0;
  background: var(--surface-glass);
  border-radius: 0 12px 12px 0;
  font-style: italic;
  color: var(--text-primary);
}

/* Images */
.article-content img {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  margin: var(--sp-6) 0;
  border: 1px solid var(--border-glass);
}

/* Code */
.article-content code {
  background: var(--surface-glass);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.88em;
  color: var(--blue-300);
}
.article-content pre {
  background: var(--navy-800);
  border: 1px solid var(--border-glass);
  border-radius: 12px;
  padding: var(--sp-5);
  overflow-x: auto;
  margin: var(--sp-6) 0;
  font-size: 0.85rem;
  line-height: 1.6;
}

/* Horizontal rules */
.article-content hr {
  border: none;
  border-top: 1px solid var(--border-glass);
  margin: var(--sp-8) 0;
}

/* Stripped div containers — make them flow naturally */
.article-content div {
  margin-bottom: var(--sp-2);
}
.article-content > div > div {
  margin-bottom: var(--sp-4);
}

/* Sidebar CTA */
.content-cta {
  position: sticky;
  top: 96px;
  display: flex;
  flex-direction: column;
  gap: var(--sp-5);
}
.cta-card {
  background: var(--surface-glass);
  border: 1px solid var(--border-glass);
  border-radius: 16px;
  padding: var(--sp-6);
}
.cta-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--sp-3);
}
.cta-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: var(--sp-4);
  line-height: 1.5;
}
.cta-card .btn {
  width: 100%;
  text-align: center;
  display: block;
}

/* Mobile — content pages */
@media (max-width: 1024px) {
  .content-section > .container {
    grid-template-columns: 1fr;
  }
  .content-cta {
    position: static;
    flex-direction: row;
    gap: var(--sp-4);
  }
  .cta-card {
    flex: 1;
  }
}
@media (max-width: 768px) {
  .page-hero {
    padding: var(--sp-8) 0 var(--sp-6);
  }
  .page-hero h1 {
    font-size: clamp(1.6rem, 5vw, 2.2rem);
  }
  .content-section {
    padding: var(--sp-8) 0 var(--sp-10);
  }
  .content-cta {
    flex-direction: column;
  }
  .breadcrumb-bar {
    margin-top: 60px;
  }
}


/* ==========================================================================
   BLOG INDEX PAGE
   ========================================================================== */

.blog-hero {
  padding: 120px 0 var(--sp-12);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.blog-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center top, rgba(27,122,229,0.08) 0%, transparent 70%);
  pointer-events: none;
}
.blog-hero .container { position: relative; z-index: 1; }
.blog-hero h1 { margin-bottom: var(--sp-4); }
.blog-hero p {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.7;
}

/* Featured article card */
.blog-featured {
  margin-bottom: var(--sp-12);
}
.blog-featured-card {
  background: var(--surface-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  padding: var(--sp-10) var(--sp-12);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--sp-8);
  align-items: center;
  transition: all var(--duration-normal) var(--ease-out);
  position: relative;
  overflow: hidden;
}
.blog-featured-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--blue-500), var(--teal-500));
}
.blog-featured-card:hover {
  border-color: var(--border-glass-hover);
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}
.blog-featured-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  background: rgba(27,122,229,0.1);
  border: 1px solid rgba(27,122,229,0.2);
  border-radius: var(--radius-pill);
  padding: var(--sp-1) var(--sp-3);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--blue-300);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--sp-4);
}
.blog-featured-card h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: var(--sp-4);
  border: none;
  padding: 0;
}
.blog-featured-card h2 a {
  color: var(--text-primary);
  text-decoration: none;
  transition: color var(--duration-fast);
}
.blog-featured-card h2 a:hover { color: var(--blue-400); }
.blog-featured-excerpt {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--sp-4);
}
.blog-featured-meta {
  font-size: 0.8125rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: var(--sp-4);
}
.blog-read-more {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--blue-400);
  transition: all var(--duration-fast);
  white-space: nowrap;
}
.blog-read-more:hover {
  color: var(--blue-300);
  gap: var(--sp-3);
}

/* Article grid */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-6);
  margin-bottom: var(--sp-16);
}
.blog-card {
  background: var(--surface-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: var(--sp-8);
  display: flex;
  flex-direction: column;
  transition: all var(--duration-normal) var(--ease-out);
}
.blog-card:hover {
  border-color: var(--border-glass-hover);
  background: var(--surface-glass-hover);
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
}
.blog-card-category {
  display: inline-flex;
  align-items: center;
  padding: var(--sp-1) var(--sp-3);
  border-radius: var(--radius-pill);
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--sp-4);
  width: fit-content;
}
.blog-card-category.cat-research {
  background: rgba(27,122,229,0.1);
  color: var(--blue-300);
  border: 1px solid rgba(27,122,229,0.2);
}
.blog-card-category.cat-guide {
  background: rgba(16,185,129,0.1);
  color: var(--green-500);
  border: 1px solid rgba(16,185,129,0.2);
}
.blog-card-category.cat-overview {
  background: rgba(14,165,233,0.1);
  color: var(--teal-500);
  border: 1px solid rgba(14,165,233,0.2);
}
.blog-card h3 {
  font-size: 1.125rem;
  margin-bottom: var(--sp-3);
  line-height: 1.35;
}
.blog-card h3 a {
  color: var(--text-primary);
  text-decoration: none;
  transition: color var(--duration-fast);
}
.blog-card h3 a:hover { color: var(--blue-400); }
.blog-card-excerpt {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: var(--sp-4);
  flex: 1;
}
.blog-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--sp-4);
  border-top: 1px solid var(--border-glass);
}
.blog-card-date {
  font-size: 0.8125rem;
  color: var(--text-muted);
}
.blog-card-link {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--blue-400);
  transition: color var(--duration-fast);
}
.blog-card-link:hover { color: var(--blue-300); }

/* Newsletter CTA */
.blog-newsletter {
  background: var(--surface-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  padding: var(--sp-12);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.blog-newsletter::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(27,122,229,0.06) 0%, transparent 70%);
  pointer-events: none;
}
.blog-newsletter h2 {
  font-size: 1.75rem;
  margin-bottom: var(--sp-3);
}
.blog-newsletter p {
  margin-bottom: var(--sp-8);
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}
.blog-newsletter-form {
  display: flex;
  gap: var(--sp-3);
  max-width: 480px;
  margin: 0 auto;
}
.blog-newsletter-form input[type="email"] {
  flex: 1;
  background: var(--navy-800);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: var(--sp-4) var(--sp-5);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.9375rem;
  outline: none;
  transition: border-color var(--duration-fast);
}
.blog-newsletter-form input[type="email"]:focus {
  border-color: var(--blue-500);
}
.blog-newsletter-form input[type="email"]::placeholder {
  color: var(--text-muted);
}

@media (max-width: 768px) {
  .blog-hero { padding: 100px 0 var(--sp-8); }
  .blog-featured-card {
    grid-template-columns: 1fr;
    padding: var(--sp-6);
  }
  .blog-grid { grid-template-columns: 1fr; }
  .blog-newsletter { padding: var(--sp-8); }
  .blog-newsletter-form { flex-direction: column; }
}


/* ==========================================================================
   LONG-FORM ARTICLE PAGES (Retatrutide, Best GLP-1, etc.)
   ========================================================================== */

/* Article hero — taller, with subtitle and badges */
.article-hero {
  padding: 120px 0 var(--sp-12);
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--border-glass);
}
.article-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 20%, rgba(27,122,229,0.08) 0%, transparent 60%);
  pointer-events: none;
}
.article-hero .container {
  position: relative;
  z-index: 1;
  max-width: 900px;
}
.article-hero h1 {
  font-size: clamp(2rem, 4.5vw, 3rem);
  margin-bottom: var(--sp-5);
  line-height: 1.1;
}
.article-hero-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--sp-6);
  max-width: 720px;
}
.article-hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
}
.article-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-4);
  background: var(--surface-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-pill);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-muted);
}
.article-hero-badge svg {
  width: 14px; height: 14px;
  color: var(--blue-400);
}

/* Article layout with TOC sidebar */
.article-layout {
  padding: var(--sp-12) 0 var(--sp-16);
}
.article-layout > .container {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: var(--sp-12);
  align-items: start;
}

/* Table of Contents */
.article-toc {
  position: sticky;
  top: 96px;
  max-height: calc(100vh - 120px);
  overflow-y: auto;
}
.article-toc-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: var(--sp-4);
}
.article-toc-list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
  padding: 0;
  list-style: none;
}
.article-toc-list a {
  display: block;
  padding: var(--sp-2) var(--sp-3);
  font-size: 0.8125rem;
  color: var(--text-muted);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: all var(--duration-fast);
  line-height: 1.4;
}
.article-toc-list a:hover,
.article-toc-list a.active {
  color: var(--blue-400);
  border-left-color: var(--blue-500);
  background: rgba(27,122,229,0.05);
}

/* Article body wrapper */
.article-body {
  max-width: 820px;
}

/* Author/review section */
.article-author-section {
  background: var(--surface-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: var(--sp-6) var(--sp-8);
  display: flex;
  align-items: center;
  gap: var(--sp-5);
  margin: var(--sp-10) 0;
}
.article-author-icon {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue-500), var(--teal-500));
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.article-author-icon svg { width: 24px; height: 24px; color: var(--white); }
.article-author-text { font-size: 0.875rem; color: var(--text-secondary); line-height: 1.6; }
.article-author-text strong { color: var(--text-primary); }

/* Related articles grid */
.article-related {
  padding: var(--sp-12) 0;
  border-top: 1px solid var(--border-glass);
}
.article-related h2 {
  font-size: 1.5rem;
  margin-bottom: var(--sp-8);
  text-align: center;
}
.article-related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-6);
}
.article-related-card {
  background: var(--surface-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: var(--sp-6);
  transition: all var(--duration-normal) var(--ease-out);
}
.article-related-card:hover {
  border-color: var(--border-glass-hover);
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
}
.article-related-card h3 {
  font-size: 1rem;
  margin-bottom: var(--sp-3);
  line-height: 1.35;
}
.article-related-card h3 a {
  color: var(--text-primary);
  text-decoration: none;
  transition: color var(--duration-fast);
}
.article-related-card h3 a:hover { color: var(--blue-400); }
.article-related-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: var(--sp-3);
}
.article-related-link {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--blue-400);
}
.article-related-link:hover { color: var(--blue-300); }

/* Article inline CTA section */
.article-cta-section {
  text-align: center;
  padding: var(--sp-12) 0;
  position: relative;
}
.article-cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(27,122,229,0.08) 0%, transparent 70%);
  pointer-events: none;
}
.article-cta-section .container { position: relative; z-index: 1; }
.article-cta-section h2 { margin-bottom: var(--sp-4); }
.article-cta-section p {
  font-size: 1.125rem;
  max-width: 560px;
  margin: 0 auto var(--sp-8);
}

/* btn-outline for sidebar */
.btn-outline {
  background: transparent;
  color: var(--blue-400);
  border: 1px solid var(--blue-500);
  padding: var(--sp-4) var(--sp-8);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.9375rem;
  transition: all var(--duration-normal) var(--ease-out);
}
.btn-outline:hover {
  background: rgba(27,122,229,0.1);
  border-color: var(--blue-400);
}

@media (max-width: 1024px) {
  .article-layout > .container {
    grid-template-columns: 1fr;
  }
  .article-toc {
    position: static;
    max-height: none;
    background: var(--surface-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: var(--sp-5);
    margin-bottom: var(--sp-6);
  }
  .article-related-grid {
    grid-template-columns: 1fr;
    max-width: 500px;
    margin: 0 auto;
  }
}
@media (max-width: 768px) {
  .article-hero { padding: 100px 0 var(--sp-8); }
  .article-hero-badges { gap: var(--sp-2); }
  .article-hero-badge { font-size: 0.75rem; padding: var(--sp-1) var(--sp-3); }
}

/* SVG Logo */
.nav-logo-svg {
  height: 32px;
  width: auto;
}
.nav-logo-svg img {
  height: 100%;
  width: auto;
}