/* ============================
   CỔNG TRA CỨU — THEME CSS
   Comprehensive redesign with animations
   ============================ */

:root {
  --navy: #0D1B4E;
  --navy-light: #162B6B;
  --amber: #F5A623;
  --amber-dim: rgba(245, 166, 35, 0.15);
  --amber-glow: rgba(245, 166, 35, 0.08);
  --ivory: #FAFAF7;
  --ivory-warm: #F5F3EC;
  --text-primary: #0D1B4E;
  --text-secondary: #4A5580;
  --text-muted: #7A85A8;
  --sage: #6BAF8B;
  --rose: #E07A7A;
  --blue: #5B8BD4;
  --violet: #9B8EC9;

  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans: 'DM Sans', system-ui, sans-serif;

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;

  --ease-smooth: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--ivory);
  color: var(--text-primary);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ===== SCROLL ANIMATIONS ===== */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s var(--ease-smooth), transform 0.7s var(--ease-smooth);
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

.animate-on-scroll.fade-left {
  transform: translateX(-40px);
}

.animate-on-scroll.fade-left.visible {
  transform: translateX(0);
}

.animate-on-scroll.fade-right {
  transform: translateX(40px);
}

.animate-on-scroll.fade-right.visible {
  transform: translateX(0);
}

.animate-scale {
  opacity: 0;
  transform: scale(0.92);
  transition: opacity 0.6s var(--ease-smooth), transform 0.6s var(--ease-smooth);
}

.animate-scale.visible {
  opacity: 1;
  transform: scale(1);
}

/* Staggered children */
.stagger-children > * {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.5s var(--ease-smooth), transform 0.5s var(--ease-smooth);
}

.stagger-children.visible > *:nth-child(1) { transition-delay: 0.05s; }
.stagger-children.visible > *:nth-child(2) { transition-delay: 0.10s; }
.stagger-children.visible > *:nth-child(3) { transition-delay: 0.15s; }
.stagger-children.visible > *:nth-child(4) { transition-delay: 0.20s; }
.stagger-children.visible > *:nth-child(5) { transition-delay: 0.25s; }
.stagger-children.visible > *:nth-child(6) { transition-delay: 0.30s; }
.stagger-children.visible > *:nth-child(7) { transition-delay: 0.35s; }
.stagger-children.visible > *:nth-child(8) { transition-delay: 0.40s; }
.stagger-children.visible > *:nth-child(9) { transition-delay: 0.45s; }
.stagger-children.visible > *:nth-child(10) { transition-delay: 0.50s; }

.stagger-children.visible > * {
  opacity: 1;
  transform: translateY(0);
}

/* ===== NAVBAR ===== */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 250, 247, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(13, 27, 78, 0.08);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 14px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--navy);
  transition: opacity 0.2s;
}

.nav-logo:hover { opacity: 0.8; }

.logo-text {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.nav-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.nav-badge {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 0.75rem;
  background: var(--amber-dim);
  color: var(--amber);
  padding: 4px 10px;
  border-radius: 100px;
  letter-spacing: 0.02em;
}

.nav-sep { color: var(--text-muted); }

/* ===== HERO ===== */
.hero {
  position: relative;
  background: var(--navy);
  overflow: hidden;
  padding: 80px 32px 100px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-gradient {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #0D1B4E 0%, #162B6B 40%, #1a3375 70%, #0D1B4E 100%);
  background-size: 400% 400%;
  animation: gradientShift 12s ease infinite;
}

@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
}

.hero-glow-1 {
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(245, 166, 35, 0.15) 0%, transparent 70%);
  top: -150px;
  right: -150px;
  animation: floatGlow1 8s ease-in-out infinite;
}

.hero-glow-2 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(91, 139, 212, 0.12) 0%, transparent 70%);
  bottom: -100px;
  left: 100px;
  animation: floatGlow2 10s ease-in-out infinite;
}

@keyframes floatGlow1 {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(-20px, 20px); }
}

@keyframes floatGlow2 {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(15px, -15px); }
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 48px 48px;
}

.hero-particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.particle {
  position: absolute;
  width: 3px;
  height: 3px;
  background: rgba(245, 166, 35, 0.35);
  border-radius: 50%;
}

.particle:nth-child(1) { left: 10%; animation: particleFloat 18s linear infinite; animation-delay: 0s; }
.particle:nth-child(2) { left: 20%; animation: particleFloat 22s linear infinite; animation-delay: 3s; }
.particle:nth-child(3) { left: 35%; animation: particleFloat 16s linear infinite; animation-delay: 6s; }
.particle:nth-child(4) { left: 50%; animation: particleFloat 20s linear infinite; animation-delay: 2s; }
.particle:nth-child(5) { left: 65%; animation: particleFloat 24s linear infinite; animation-delay: 5s; }
.particle:nth-child(6) { left: 78%; animation: particleFloat 19s linear infinite; animation-delay: 1s; }
.particle:nth-child(7) { left: 88%; animation: particleFloat 21s linear infinite; animation-delay: 7s; }
.particle:nth-child(8) { left: 5%; animation: particleFloat 17s linear infinite; animation-delay: 4s; }

@keyframes particleFloat {
  0% { transform: translateY(100vh) rotate(0deg); opacity: 0; }
  5% { opacity: 0.7; }
  95% { opacity: 0.7; }
  100% { transform: translateY(-60px) rotate(540deg); opacity: 0; }
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.hero-text-col { animation: slideInLeft 0.8s var(--ease-smooth) both; }

@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-40px); }
  to { opacity: 1; transform: translateX(0); }
}

.hero-eyebrow {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 24px;
  font-family: var(--font-sans);
  animation: slideInLeft 0.8s var(--ease-smooth) 0.1s both;
}

.hero-headline {
  font-family: var(--font-serif);
  font-size: clamp(2.6rem, 5vw, 4.2rem);
  font-weight: 700;
  line-height: 1.08;
  color: #FFFFFF;
  margin-bottom: 28px;
  letter-spacing: -0.03em;
  animation: slideInLeft 0.8s var(--ease-smooth) 0.2s both;
}

.hero-headline em {
  font-style: italic;
  color: var(--amber);
}

.hero-accent { color: var(--amber); }

.hero-sub {
  font-size: 1.05rem;
  line-height: 1.7;
  color: rgba(255,255,255,0.65);
  max-width: 440px;
  margin-bottom: 40px;
  animation: slideInLeft 0.8s var(--ease-smooth) 0.3s both;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--amber);
  color: var(--navy);
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 14px 28px;
  border-radius: 100px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: background 0.25s, transform 0.25s var(--ease-spring), box-shadow 0.25s;
  box-shadow: 0 4px 20px rgba(245, 166, 35, 0.3);
  animation: slideInLeft 0.8s var(--ease-smooth) 0.4s both;
}

.hero-cta:hover {
  background: #FFB84D;
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 30px rgba(245, 166, 35, 0.45);
}

.hero-cta-arrow {
  transition: transform 0.25s var(--ease-spring);
}

.hero-cta:hover .hero-cta-arrow {
  transform: translateX(4px);
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 0;
  margin-top: 32px;
  animation: slideInLeft 0.8s var(--ease-smooth) 0.5s both;
}

/* ===== HERO VISUAL ===== */
.hero-visual {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 360px;
  animation: fadeInScale 1s var(--ease-smooth) 0.4s both;
}

@keyframes fadeInScale {
  from { opacity: 0; transform: scale(0.85); }
  to { opacity: 1; transform: scale(1); }
}

.tool-card-stack {
  position: relative;
  width: 280px;
  height: 340px;
}

.tool-card {
  position: absolute;
  width: 260px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  padding: 20px 22px;
  backdrop-filter: blur(12px);
  transition: transform 0.4s var(--ease-spring), box-shadow 0.4s, background 0.4s;
  cursor: default;
}

.tool-card-1 { top: 0; left: 0; transform: rotate(-5deg); animation: floatCard1 6s ease-in-out infinite; }
.tool-card-2 { top: 30px; left: 20px; transform: rotate(-1.5deg); animation: floatCard2 7s ease-in-out infinite 0.5s; }
.tool-card-3 { top: 65px; left: 0; transform: rotate(2deg); animation: floatCard3 5.5s ease-in-out infinite 1s; }
.tool-card-4 { top: 100px; left: 20px; transform: rotate(-2.5deg); animation: floatCard4 6.5s ease-in-out infinite 1.5s; }
.tool-card-5 { top: 140px; left: 0; transform: rotate(1deg); animation: floatCard5 7.5s ease-in-out infinite 2s; }

@keyframes floatCard1 {
  0%, 100% { transform: rotate(-5deg) translateY(0px); }
  50% { transform: rotate(-4deg) translateY(-8px); }
}
@keyframes floatCard2 {
  0%, 100% { transform: rotate(-1.5deg) translateY(0px); }
  50% { transform: rotate(-1deg) translateY(-10px); }
}
@keyframes floatCard3 {
  0%, 100% { transform: rotate(2deg) translateY(0px); }
  50% { transform: rotate(2.5deg) translateY(-7px); }
}
@keyframes floatCard4 {
  0%, 100% { transform: rotate(-2.5deg) translateY(0px); }
  50% { transform: rotate(-2deg) translateY(-9px); }
}
@keyframes floatCard5 {
  0%, 100% { transform: rotate(1deg) translateY(0px); }
  50% { transform: rotate(1.5deg) translateY(-6px); }
}

.tool-card:hover {
  transform: rotate(0deg) translateY(-6px) !important;
  background: rgba(255,255,255,0.12);
  box-shadow: 0 20px 40px rgba(0,0,0,0.3);
  animation-play-state: paused;
}

.tc-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  margin-bottom: 12px;
}

.tc-dot-amber { background: var(--amber); box-shadow: 0 0 8px rgba(245,166,35,0.5); }
.tc-dot-sage { background: var(--sage); }
.tc-dot-rose { background: var(--rose); }
.tc-dot-blue { background: var(--blue); }
.tc-dot-violet { background: var(--violet); }

.tc-lines { display: flex; flex-direction: column; gap: 6px; margin-bottom: 12px; }

.tc-line {
  height: 3px;
  background: rgba(255,255,255,0.12);
  border-radius: 3px;
}

.tc-line-long { width: 100%; }
.tc-line-med { width: 70%; }
.tc-line-short { width: 45%; }

.tc-badge {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  border: 1px solid rgba(255,255,255,0.12);
  padding: 4px 10px;
  border-radius: 100px;
}

/* ===== STATS COUNTER ===== */
.stats-section {
  background: linear-gradient(180deg, var(--navy) 0%, var(--navy-light) 100%);
  padding: 60px 32px;
}

.stats-inner { max-width: 1200px; margin: 0 auto; }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 32px;
}

.stat-item {
  text-align: center;
  padding: 24px 16px;
  position: relative;
}

.stat-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: -16px;
  top: 50%;
  transform: translateY(-50%);
  width: 1px;
  height: 48px;
  background: rgba(255,255,255,0.1);
}

.stat-number {
  font-family: var(--font-serif);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--amber);
  line-height: 1;
  margin-bottom: 6px;
}

.stat-number .suffix {
  font-size: 1.6rem;
}

.stat-desc {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.55);
  font-weight: 500;
  letter-spacing: 0.03em;
}

/* ===== CATEGORIES ===== */
.categories {
  background: var(--ivory);
  padding: 60px 32px;
  border-bottom: 1px solid rgba(13,27,78,0.06);
}

.cat-inner { max-width: 1200px; margin: 0 auto; }

.cat-header { margin-bottom: 36px; }

.cat-overline {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.cat-headline {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--navy);
  letter-spacing: -0.025em;
  line-height: 1.2;
}

.cat-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.cat-pill {
  display: inline-block;
  font-size: 0.88rem;
  font-weight: 500;
  padding: 8px 18px;
  border-radius: 100px;
  border: 1.5px solid;
  cursor: default;
  transition: transform 0.2s var(--ease-spring), box-shadow 0.2s;
}

.cat-pill:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.cat-pill-traffic { border-color: rgba(13,27,78,0.15); color: var(--text-primary); background: rgba(13,27,78,0.03); }
.cat-pill-tax { border-color: rgba(245,166,35,0.4); color: #B87D10; background: rgba(245,166,35,0.07); }
.cat-pill-edu { border-color: rgba(91,139,212,0.35); color: #3A6EB8; background: rgba(91,139,212,0.07); }
.cat-pill-family { border-color: rgba(107,175,139,0.35); color: #3D8C64; background: rgba(107,175,139,0.07); }
.cat-pill-health { border-color: rgba(224,122,122,0.35); color: #C44848; background: rgba(224,122,122,0.07); }
.cat-pill-work { border-color: rgba(155,142,201,0.35); color: #6B5BA8; background: rgba(155,142,201,0.07); }
.cat-pill-house { border-color: rgba(13,27,78,0.15); color: var(--text-primary); background: rgba(13,27,78,0.03); }
.cat-pill-social { border-color: rgba(245,166,35,0.4); color: #B87D10; background: rgba(245,166,35,0.07); }
.cat-pill-tech { border-color: rgba(91,139,212,0.35); color: #3A6EB8; background: rgba(91,139,212,0.07); }
.cat-pill-sport { border-color: rgba(107,175,139,0.35); color: #3D8C64; background: rgba(107,175,139,0.07); }
.cat-pill-ent { border-color: rgba(224,122,122,0.35); color: #C44848; background: rgba(224,122,122,0.07); }

/* ===== DIFFERENTIATORS ===== */
.differentiators {
  background: var(--ivory-warm);
  padding: 80px 32px;
}

.diff-inner { max-width: 1200px; margin: 0 auto; }

.diff-header {
  text-align: center;
  margin-bottom: 56px;
}

.diff-overline {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 16px;
}

.diff-headline {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700;
  color: var(--navy);
  line-height: 1.2;
  letter-spacing: -0.025em;
}

.diff-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.diff-card {
  background: #FFFFFF;
  border: 1px solid rgba(13,27,78,0.07);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: box-shadow 0.3s, transform 0.3s var(--ease-spring), border-color 0.3s;
  position: relative;
  overflow: hidden;
}

.diff-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--amber), var(--blue));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease-smooth);
}

.diff-card:hover::before { transform: scaleX(1); }

.diff-card:hover {
  box-shadow: 0 12px 40px rgba(13,27,78,0.1);
  transform: translateY(-4px);
  border-color: rgba(245, 166, 35, 0.2);
}

.diff-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.diff-icon-amber { background: var(--amber-dim); color: var(--amber); }
.diff-icon-blue { background: rgba(91,139,212,0.12); color: var(--blue); }
.diff-icon-sage { background: rgba(107,175,139,0.12); color: var(--sage); }

.diff-title {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 10px;
}

.diff-desc {
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--text-secondary);
}

/* ===== HOW IT WORKS ===== */
.how-it-works {
  background: var(--ivory);
  padding: 80px 32px;
}

.hiw-inner { max-width: 900px; margin: 0 auto; }

.hiw-header {
  text-align: center;
  margin-bottom: 60px;
}

.hiw-overline {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.hiw-headline {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 700;
  color: var(--navy);
  letter-spacing: -0.025em;
}

.hiw-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
}

.hiw-step {
  display: flex;
  align-items: flex-start;
  gap: 28px;
  padding: 28px 0;
  position: relative;
}

.hiw-step:not(:last-child)::after {
  content: '';
  position: absolute;
  left: 27px;
  top: 76px;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, rgba(245,166,35,0.4) 0%, rgba(245,166,35,0.08) 100%);
}

.step-num {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--navy);
  color: var(--amber);
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
  transition: background 0.3s, transform 0.3s var(--ease-spring);
}

.hiw-step:hover .step-num {
  background: var(--amber);
  color: var(--navy);
  transform: scale(1.1);
}

.step-content { flex: 1; padding-top: 6px; }

.step-title {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 6px;
}

.step-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.step-icon {
  flex-shrink: 0;
  color: var(--text-muted);
  margin-top: 4px;
  transition: color 0.3s;
}

.hiw-step:hover .step-icon { color: var(--amber); }

/* ===== MOAT CALLOUT ===== */
.moat {
  background: linear-gradient(135deg, var(--navy) 0%, #1a3375 50%, var(--navy) 100%);
  padding: 80px 32px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.moat::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23F5A623' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.moat-inner {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
}

.moat-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(245,166,35,0.15);
  border: 1px solid rgba(245,166,35,0.3);
  color: var(--amber);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 24px;
}

.moat-headline {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 700;
  color: #FFFFFF;
  line-height: 1.3;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.moat-headline em {
  color: var(--amber);
  font-style: normal;
}

.moat-sub {
  font-size: 1rem;
  line-height: 1.7;
  color: rgba(255,255,255,0.6);
  margin-bottom: 32px;
  max-width: 620px;
  margin-left: auto;
  margin-right: auto;
}

.moat-features {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

.moat-feature {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.8);
  font-size: 0.85rem;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 100px;
  transition: background 0.2s, transform 0.2s;
}

.moat-feature:hover {
  background: rgba(255,255,255,0.12);
  transform: translateY(-2px);
}

/* ===== PHILOSOPHY ===== */
.philosophy {
  background: var(--navy);
  padding: 80px 32px;
}

.phil-inner { max-width: 1200px; margin: 0 auto; }

.phil-header { text-align: center; margin-bottom: 56px; }

.phil-overline {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 16px;
}

.phil-headline {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 700;
  color: #FFFFFF;
  line-height: 1.2;
  letter-spacing: -0.025em;
}

.phil-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.phil-item {
  padding: 32px 28px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--radius-lg);
  transition: box-shadow 0.3s, transform 0.3s var(--ease-spring), background 0.3s;
}

.phil-item:hover {
  box-shadow: 0 8px 32px rgba(0,0,0,0.2);
  transform: translateY(-3px);
  background: rgba(255,255,255,0.07);
}

.phil-icon {
  width: 48px;
  height: 48px;
  background: rgba(245,166,35,0.12);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--amber);
  margin-bottom: 20px;
}

.phil-title {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 12px;
}

.phil-desc {
  font-size: 0.92rem;
  line-height: 1.7;
  color: rgba(255,255,255,0.55);
}

/* ===== TOOLS ===== */
.tools {
  background: var(--ivory-warm);
  padding: 80px 32px;
}

.tools-inner { max-width: 1200px; margin: 0 auto; }

.tools-header { margin-bottom: 48px; }

.tools-overline {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.tools-headline {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 700;
  color: var(--navy);
  line-height: 1.2;
  letter-spacing: -0.025em;
}

.tools-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.tool-item {
  background: #FFFFFF;
  border: 1px solid rgba(13,27,78,0.07);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
  transition: box-shadow 0.25s, transform 0.25s var(--ease-spring), border-color 0.25s;
  cursor: default;
}

.tool-item:hover {
  box-shadow: 0 8px 32px rgba(13,27,78,0.09);
  transform: translateY(-3px);
  border-color: rgba(245, 166, 35, 0.25);
}

.tool-icon-wrap {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  background: var(--amber-dim);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--amber);
  transition: background 0.25s, transform 0.25s var(--ease-spring);
}

.tool-item:hover .tool-icon-wrap {
  background: rgba(245,166,35,0.25);
  transform: scale(1.1);
}

.tool-body { flex: 1; }

.tool-name {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 6px;
}

.tool-desc {
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

.tools-footer {
  margin-top: 40px;
  text-align: center;
}

.tools-more {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-muted);
  background: rgba(13,27,78,0.06);
  padding: 10px 24px;
  border-radius: 100px;
  display: inline-block;
  transition: background 0.2s, transform 0.2s;
}

.tools-more:hover {
  background: rgba(13,27,78,0.1);
  transform: translateY(-1px);
}

/* ===== MID-PAGE CTA ===== */
.mid-cta {
  background: var(--navy);
  padding: 60px 32px;
}

.mid-cta-inner {
  max-width: 780px;
  margin: 0 auto;
  text-align: center;
}

.mid-cta-headline {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.mid-cta-sub {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.55);
  margin-bottom: 28px;
}

.mid-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--amber);
  color: var(--navy);
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 14px 28px;
  border-radius: 100px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: background 0.25s, transform 0.25s var(--ease-spring), box-shadow 0.25s;
  box-shadow: 0 4px 20px rgba(245, 166, 35, 0.3);
}

.mid-cta-btn:hover {
  background: #FFB84D;
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 30px rgba(245, 166, 35, 0.45);
}

/* ===== CLOSING ===== */
.closing {
  background: var(--ivory-warm);
  padding: 100px 32px;
  text-align: center;
}

.closing-inner { max-width: 780px; margin: 0 auto; }

.closing-quote-mark {
  font-family: var(--font-serif);
  font-size: 8rem;
  line-height: 0.5;
  color: var(--navy);
  opacity: 0.06;
  margin-bottom: 20px;
  display: block;
}

.closing-text {
  font-family: var(--font-serif);
  font-size: clamp(1.3rem, 2.5vw, 1.9rem);
  font-weight: 400;
  font-style: italic;
  color: var(--navy);
  line-height: 1.5;
  margin-bottom: 40px;
  letter-spacing: -0.01em;
  opacity: 0.85;
}

.closing-attr {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
}

.closing-line {
  width: 40px;
  height: 1px;
  background: var(--amber);
}

.closing-label {
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--amber);
}

/* ===== BOTTOM CTA BLOCK ===== */
.bottom-cta {
  background: linear-gradient(180deg, var(--ivory-warm) 0%, var(--navy) 100%);
  padding: 80px 32px;
  text-align: center;
}

.bottom-cta-inner { max-width: 640px; margin: 0 auto; }

.bottom-cta-headline {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 16px;
  letter-spacing: -0.025em;
  line-height: 1.2;
}

.bottom-cta-sub {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.55);
  margin-bottom: 32px;
}

.bottom-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--amber);
  color: var(--navy);
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 1rem;
  padding: 16px 32px;
  border-radius: 100px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: background 0.25s, transform 0.25s var(--ease-spring), box-shadow 0.25s;
  box-shadow: 0 4px 20px rgba(245, 166, 35, 0.35);
}

.bottom-cta-btn:hover {
  background: #FFB84D;
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 30px rgba(245, 166, 35, 0.5);
}

/* ===== FOOTER ===== */
.footer {
  background: #070F2E;
  padding: 56px 32px 40px;
}

.footer-inner { max-width: 1200px; margin: 0 auto; }

.footer-main {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 48px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  margin-bottom: 24px;
}

.footer-brand { max-width: 340px; }

.footer-logo-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.footer-logo-text {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 700;
  color: #FFFFFF;
}

.footer-tagline {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.4);
  line-height: 1.6;
}

.footer-free-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(245,166,35,0.12);
  border: 1px solid rgba(245,166,35,0.25);
  color: var(--amber);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 100px;
  margin-top: 16px;
}

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

.footer-col-title {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  margin-bottom: 16px;
}

.footer-link-list { list-style: none; display: flex; flex-direction: column; gap: 10px; }

.footer-link-list li a {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-link-list li a:hover { color: var(--amber); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.footer-legal {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.2);
  line-height: 1.6;
  max-width: 520px;
}

.footer-mission {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.25);
  font-style: italic;
  font-family: var(--font-serif);
  max-width: 360px;
  text-align: right;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .stats-grid { grid-template-columns: repeat(3, 1fr); }
  .stat-item:nth-child(3)::after { display: none; }
}

@media (max-width: 900px) {
  .hero-content { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { display: none; }
  .diff-grid { grid-template-columns: repeat(2, 1fr); }
  .phil-grid { grid-template-columns: 1fr; gap: 28px; }
  .tools-grid { grid-template-columns: 1fr 1fr; }
  .footer-main { flex-direction: column; }
  .footer-links-section { flex-wrap: wrap; gap: 32px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 12px; }
  .footer-mission { text-align: left; }
}

@media (max-width: 640px) {
  .hero { padding: 60px 20px 80px; }
  .stats-section { padding: 40px 20px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item::after { display: none !important; }
  .cat-pills { gap: 8px; }
  .cat-pill { font-size: 0.8rem; padding: 6px 14px; }
  .categories, .philosophy, .tools, .closing, .mid-cta, .bottom-cta { padding: 60px 20px; }
  .how-it-works { padding: 60px 20px; }
  .differentiators { padding: 60px 20px; }
  .moat { padding: 60px 20px; }
  .tool-item { padding: 20px; }
  .nav-inner { padding: 12px 20px; }
  .tools-grid { grid-template-columns: 1fr; }
  .diff-grid { grid-template-columns: 1fr; }
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--ivory); }
::-webkit-scrollbar-thumb { background: var(--navy); opacity: 0.4; border-radius: 3px; }

/* ===== UTILITY ===== */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}