:root {
  --blue: #0A66C2;
  --blue-bright: #1a8fff;
  --blue-glow: rgba(10,102,194,0.35);
  --bg: #080c12;
  --bg2: #0d1420;
  --bg3: #111927;
  --text: #f0f4fa;
  --muted: #7a90aa;
  --border: rgba(255,255,255,0.07);
  --card: rgba(255,255,255,0.04);
  
  /* Responsive Spacing Variables */
  --section-padding: clamp(60px, 10vw, 120px);
  --container-padding: clamp(16px, 5vw, 60px);
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-size: clamp(15px, 1vw, 16px);
  line-height: 1.6;
  overflow-x: hidden;
}

/* GRID OVERLAY */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(10,102,194,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(10,102,194,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
}

/* NOISE TEXTURE */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.035'/%3E%3C/svg%3E");
  opacity: 0.4;
  pointer-events: none;
  z-index: 0;
}

/* ========== NAV ========== */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px var(--container-padding);
  background: rgba(8,12,18,0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: clamp(1rem, 2vw, 1.15rem);
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
}

.logo-icon {
  width: 32px; height: 32px;
  background: var(--blue);
  border-radius: 8px;
  display: grid;
  place-items: center;
  font-size: 0.85rem;
  font-weight: 800;
  color: #fff;
  box-shadow: 0 0 20px var(--blue-glow);
}

nav .nav-links {
  display: flex;
  align-items: center;
  gap: clamp(16px, 3vw, 36px);
  list-style: none;
}

nav .nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 500;
  transition: color 0.2s;
}

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

.btn-primary {
  background: var(--blue);
  color: #fff;
  border: none;
  padding: 11px 24px;
  border-radius: 8px;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.25s;
  box-shadow: 0 0 24px var(--blue-glow);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn-primary::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.15) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.25s;
}

.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 40px var(--blue-glow); }
.btn-primary:hover::after { opacity: 1; }

.btn-primary-large {
  padding: 13px 26px;
  font-size: 0.92rem;
}

.btn-primary-xl {
  font-size: 1rem;
  padding: 16px 36px;
  margin: 0 auto;
}

/* ========== SECTIONS ========== */
section { position: relative; z-index: 1; }

.relative-hidden-section {
  position: relative;
  z-index: 1;
  overflow: hidden;
}

.hero-glow-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
}

.hero-glow-accent {
  position: absolute;
  top: 20%;
  right: -80px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle,rgba(10,102,194,0.08) 0%,transparent 65%);
  pointer-events: none;
}

/* ========== HERO ========== */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: clamp(40px, 6vw, 80px);
  padding: clamp(100px, 15vh, 140px) var(--container-padding) 80px;
  max-width: 1400px;
  margin: 0 auto;
  position: relative;
}

.hero-glow {
  position: absolute;
  top: 0; left: -100px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(10,102,194,0.12) 0%, transparent 65%);
  pointer-events: none;
}

.hero-left {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  animation: fadeUp 0.7s ease both;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(10,102,194,0.1);
  border: 1px solid rgba(10,102,194,0.25);
  border-radius: 100px;
  padding: 6px 14px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--blue-bright);
  margin-bottom: clamp(20px, 4vw, 32px);
  letter-spacing: 0.01em;
}

.badge-dot {
  width: 6px; height: 6px;
  background: #27c93f;
  border-radius: 50%;
  animation: pulse 2s infinite;
  flex-shrink: 0;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(1.5); }
}

h1 {
  font-family: 'Syne', sans-serif;
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  text-align: left;
}

h1 .line-muted {
  color: var(--muted);
  font-weight: 700;
}

h1 .accent {
  background: linear-gradient(120deg, #1a8fff 0%, #4db8ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: clamp(1rem, 1.2vw, 1.1rem);
  color: var(--muted);
  max-width: 480px;
  margin-bottom: clamp(32px, 5vw, 48px);
  font-weight: 400;
  line-height: 1.75;
  text-align: left;
  animation: fadeUp 0.7s 0.12s ease both;
}

.hero-cta-group {
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
  animation: fadeUp 0.7s 0.22s ease both;
}

.btn-secondary {
  color: var(--muted);
  background: transparent;
  border: 1px solid var(--border);
  padding: 11px 24px;
  border-radius: 8px;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.88rem;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.25s;
}
.btn-secondary:hover { border-color: rgba(255,255,255,0.2); color: var(--text); }

.hero-providers {
  margin-top: clamp(40px, 6vw, 60px);
  display: flex;
  flex-direction: column;
  gap: 14px;
  animation: fadeUp 0.7s 0.32s ease both;
}

.hero-providers-label {
  font-size: 0.7rem;
  color: var(--muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 600;
}

.provider-chips {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.provider-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 14px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--muted);
  transition: all 0.2s;
}

.provider-chip:hover { border-color: rgba(10,102,194,0.35); color: var(--text); }

.provider-chip .chip-dot {
  width: 7px; height: 7px; border-radius: 50%;
}

/* ========== MOCKUP ========== */
.hero-right {
  animation: fadeUp 0.7s 0.18s ease both;
  width: 100%;
}

.hero-mockup {
  width: 100%;
  position: relative;
}

.mockup-browser {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 40px 120px rgba(0,0,0,0.6), 0 0 0 1px rgba(255,255,255,0.04);
}

.mockup-bar {
  background: var(--bg2);
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 14px;
  border-bottom: 1px solid var(--border);
}

.mockup-dots { display: flex; gap: 8px; }
.mockup-dot {
  width: 12px; height: 12px; border-radius: 50%;
}
.d1 { background: #ff5f56; }
.d2 { background: #ffbd2e; }
.d3 { background: #27c93f; }

.mockup-url {
  flex: 1;
  background: rgba(255,255,255,0.05);
  border-radius: 8px;
  padding: 6px 14px;
  font-size: 0.75rem;
  color: var(--muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mockup-body { padding: clamp(16px, 3vw, 24px); }

.li-post-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: clamp(14px, 2vw, 20px);
}

.li-post-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.li-avatar {
  width: 44px; height: 44px; border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), #4db8ff);
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 0.9rem;
  flex-shrink: 0;
}

.li-post-meta .name { font-weight: 600; font-size: 0.9rem; }
.li-post-meta .title { font-size: 0.75rem; color: var(--muted); }

.li-post-text {
  font-size: 0.88rem;
  color: #c8d8e8;
  line-height: 1.65;
  margin-bottom: 18px;
}

.li-comment-box {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(10,102,194,0.3);
  border-radius: 24px;
  padding: 10px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.li-comment-text {
  font-size: 0.83rem;
  color: var(--text);
  flex: 1;
}

.ai-btn {
  background: var(--blue);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 8px 16px;
  font-family: 'Syne', sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  cursor: pointer;
  letter-spacing: 0.03em;
  box-shadow: 0 0 16px rgba(10,102,194,0.5);
  animation: glow 2s infinite;
  white-space: nowrap;
}

@keyframes glow {
  0%, 100% { box-shadow: 0 0 16px rgba(10,102,194,0.5); }
  50% { box-shadow: 0 0 28px rgba(10,102,194,0.8), 0 0 50px rgba(10,102,194,0.3); }
}

.li-generated {
  margin-top: 14px;
  background: rgba(10,102,194,0.1);
  border: 1px solid rgba(10,102,194,0.25);
  border-radius: 12px;
  padding: 14px 16px;
  font-size: 0.82rem;
  color: #b8d4f0;
  line-height: 1.6;
}

.li-generated-label {
  font-size: 0.68rem;
  color: var(--blue-bright);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

/* ========== SECTION COMMON ========== */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--blue-bright);
  margin-bottom: 20px;
}

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

h2 {
  font-family: 'Syne', sans-serif;
  font-size: clamp(1.8rem, 4vw, 3.2rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.15;
}

.section-desc {
  color: var(--muted);
  max-width: 560px;
  margin-top: 20px;
  font-size: clamp(0.95rem, 1.1vw, 1.1rem);
  line-height: 1.7;
}

/* Common utility classes extracted from inline styles */
.margin-top-28 { margin-top: 28px; }
.margin-top-40 { margin-top: 40px; }
.flex-center-gap-10 {
  display: flex;
  align-items: center;
  gap: 10px;
}
.flex-center-gap-10-mb-10 {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}
.flex-center-gap-12-py-4 {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 4px 0;
}
.flex-item-1 { flex: 1; }
.justify-center { justify-content: center; }
.text-xs-muted {
  font-size: 0.88rem;
  color: #c8d8f0;
}
.text-danger { color: #ff6b6b; }
.text-vs {
  font-size: 0.72rem;
  color: var(--muted);
  font-weight: 600;
  letter-spacing: 0.06em;
}
.bg-border { background: var(--border); }
.h-1px { height: 1px; }

.problem-padding {
  padding: 100px 0;
}

/* ========== PROBLEM SECTION ========== */
.problem {
  padding: var(--section-padding) var(--container-padding);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 8vw, 100px);
  max-width: 1300px;
  margin: 0 auto;
  align-items: center;
}

.problem-text .section-label { display: flex; }

.comment-compare {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.comment-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: clamp(20px, 3vw, 28px);
  position: relative;
  overflow: hidden;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.comment-card:hover { transform: translateY(-5px); border-color: rgba(255,255,255,0.1); }

.comment-card.bad {
  border-color: rgba(255,80,80,0.15);
  background: rgba(255,80,80,0.03);
}

.comment-card.good {
  border-color: rgba(10,102,194,0.25);
  background: rgba(10,102,194,0.05);
}

.comment-tag {
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 6px 12px;
  border-radius: 100px;
  display: inline-flex;
  margin-bottom: 14px;
}

.bad .comment-tag { background: rgba(255,80,80,0.12); color: #ff6b6b; }
.good .comment-tag { background: rgba(10,102,194,0.18); color: var(--blue-bright); }

.comment-content {
  font-size: 0.95rem;
  line-height: 1.65;
}

.bad .comment-content { color: #8a95a3; }
.good .comment-content { color: #d1e1f5; }

.comment-words {
  margin-top: 14px;
  font-size: 0.75rem;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 8px;
}

.words-badge {
  padding: 3px 10px;
  border-radius: 100px;
  font-weight: 700;
}

.bad .words-badge { background: rgba(255,80,80,0.1); color: #ff6b6b; }
.good .words-badge { background: rgba(39,201,63,0.1); color: #27c93f; }

/* ========== FEATURES ========== */
.features-section {
  padding: var(--section-padding) var(--container-padding);
  max-width: 1300px;
  margin: 0 auto;
}

.features-header {
  text-align: center;
  margin-bottom: clamp(40px, 8vw, 80px);
}

.features-header .section-label {
  justify-content: center;
}

.features-header .section-label::before { display: none; }

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.feature-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: clamp(24px, 4vw, 36px);
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--blue), transparent);
  opacity: 0;
  transition: opacity 0.35s;
}

.feature-card:hover {
  transform: translateY(-8px);
  border-color: rgba(10,102,194,0.3);
  background: rgba(10,102,194,0.06);
}

.feature-card:hover::before { opacity: 1; }

.feature-icon {
  width: 52px; height: 52px;
  background: rgba(10,102,194,0.1);
  border: 1px solid rgba(10,102,194,0.15);
  border-radius: 14px;
  display: grid;
  place-items: center;
  margin-bottom: 24px;
  color: var(--blue-bright);
  font-size: 1.5rem;
  transition: all 0.3s;
}

.feature-card:hover .feature-icon {
  background: rgba(10,102,194,0.2);
  box-shadow: 0 0 30px rgba(10,102,194,0.3);
  transform: scale(1.05);
}

.feature-card h3 {
  font-family: 'Syne', sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.feature-card p {
  font-size: 0.95rem;
  color: var(--muted);
  line-height: 1.7;
}

/* ========== HOW IT WORKS ========== */
.how-section {
  padding: var(--section-padding) 0;
  background: linear-gradient(180deg, transparent 0%, rgba(10,102,194,0.04) 50%, transparent 100%);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.how-inner {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: clamp(40px, 8vw, 100px);
  align-items: center;
}

.steps {
  display: flex;
  flex-direction: column;
}

.step {
  display: flex;
  gap: 24px;
  align-items: flex-start;
  padding: 28px 0;
  position: relative;
  cursor: pointer;
}

.step:not(:last-child)::after {
  content: '';
  position: absolute;
  left: 19px;
  top: 68px;
  width: 2px;
  height: calc(100% - 40px);
  background: linear-gradient(to bottom, rgba(10,102,194,0.35), transparent);
}

.step-num {
  width: 42px; height: 42px;
  border: 2px solid rgba(10,102,194,0.3);
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--blue-bright);
  flex-shrink: 0;
  background: rgba(10,102,194,0.1);
  transition: all 0.3s;
  z-index: 1;
}

.step:hover .step-num {
  background: var(--blue);
  border-color: var(--blue);
  color: #fff;
  box-shadow: 0 0 20px var(--blue-glow);
  transform: scale(1.1);
}

.step-content h3 {
  font-family: 'Syne', sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.step-content p {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.7;
}

/* Right panel - animated demo */
.how-demo {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: clamp(24px, 5vw, 40px);
  position: relative;
  overflow: hidden;
  box-shadow: 0 30px 90px rgba(0,0,0,0.5);
}

.how-demo::before {
  content: '';
  position: absolute;
  top: -60px; right: -60px;
  width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(10,102,194,0.15) 0%, transparent 70%);
}

.how-demo-title {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue-bright);
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.how-demo-title::before {
  content: '';
  width: 8px; height: 8px;
  background: #27c93f;
  border-radius: 50%;
  animation: pulse 2s infinite;
}

.tone-selector {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.tone-btn {
  padding: 8px 18px;
  border-radius: 10px;
  font-size: 0.85rem;
  font-weight: 600;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: all 0.25s;
  font-family: 'DM Sans', sans-serif;
}

.tone-btn.active, .tone-btn:hover {
  background: var(--blue);
  border-color: var(--blue);
  color: #fff;
  box-shadow: 0 4px 15px rgba(10,102,194,0.3);
}

.word-counter {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(10,102,194,0.08);
  border: 1px solid rgba(10,102,194,0.2);
  border-radius: 12px;
  padding: 16px 20px;
  margin-top: 24px;
}

/* Demo specific utility classes */
.demo-generated-wrapper {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  margin-top: 6px;
}
.demo-generated-label {
  font-size: 0.7rem;
  color: var(--muted);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.demo-comment-text {
  font-size: 0.9rem;
  color: #c8d8f0;
  line-height: 1.7;
  min-height: 60px;
  transition: all 0.3s;
}
.demo-target-text {
  font-size: 0.85rem;
  color: #27c93f;
  font-weight: 600;
}
.text-align-right { text-align: right; }
.demo-button-group {
  margin-top: 18px;
  display: flex;
  gap: 10px;
}
.btn-demo-action {
  flex: 1;
  justify-content: center;
  font-size: 0.83rem;
  padding: 10px;
}
.btn-demo-copy {
  flex: 1;
  justify-content: center;
  font-size: 0.83rem;
}

.wc-label { font-size: 0.8rem; color: var(--muted); font-weight: 500; }
.wc-value {
  font-family: 'Syne', sans-serif;
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--blue-bright);
}

.wc-bar {
  height: 6px;
  background: rgba(255,255,255,0.06);
  border-radius: 6px;
  margin-top: 12px;
  overflow: hidden;
}

.wc-fill {
  height: 100%;
  width: 78%;
  background: linear-gradient(90deg, var(--blue), var(--blue-bright));
  border-radius: 6px;
  animation: fillBar 2s ease infinite alternate;
}

@keyframes fillBar {
  from { width: 70%; }
  to { width: 90%; }
}

/* ========== TECH STRIP ========== */
.tech-strip {
  padding: 60px var(--container-padding);
  max-width: 1300px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 20px;
  border-top: 1px solid var(--border);
}

.tech-item {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 12px;
  border-radius: 12px;
  transition: all 0.2s;
}

.tech-item:hover { color: var(--text); background: rgba(255,255,255,0.02); }

.tech-icon {
  width: 36px; height: 36px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  display: grid;
  place-items: center;
  font-size: 0.9rem;
  flex-shrink: 0;
}

/* ========== CTA SECTION ========== */
.cta-section {
  padding: clamp(80px, 12vw, 120px) var(--container-padding);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 800px; height: 500px;
  background: radial-gradient(ellipse, rgba(10,102,194,0.15) 0%, transparent 70%);
}

.cta-section h2 {
  max-width: 700px;
  margin: 0 auto 28px;
}

.cta-section p {
  color: var(--muted);
  margin-bottom: 44px;
  font-size: clamp(1rem, 1.2vw, 1.15rem);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* ========== FOOTER ========== */
footer {
  padding: 40px var(--container-padding);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
}

footer .footer-left {
  font-size: 0.88rem;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 12px;
}

footer .footer-links {
  display: flex;
  gap: 32px;
  list-style: none;
}

footer .footer-links a {
  font-size: 0.88rem;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s;
}

footer .footer-links a:hover { color: var(--text); }

/* Hamburger menu */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
}
.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.3s;
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 65px; left: 0; right: 0;
  background: rgba(8,12,18,0.98);
  backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border);
  padding: 32px var(--container-padding);
  flex-direction: column;
  gap: 12px;
  z-index: 99;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  color: var(--text);
  text-decoration: none;
  font-size: 1.1rem;
  font-weight: 600;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}
.mobile-menu a:last-child { border-bottom: none; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.2, 0.8, 0.2, 1), transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}

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

/* ========== RESPONSIVE BREAKPOINTS ========== */

@media (max-width: 1024px) {
  .hero { grid-template-columns: 1fr; text-align: center; gap: 60px; padding-top: 120px; }
  .hero-left { align-items: center; }
  h1, .hero-sub { text-align: center; }
  .hero-cta-group { justify-content: center; }
  .hero-providers { align-items: center; }
  .hero-right { max-width: 600px; margin: 0 auto; }
  
  .problem { grid-template-columns: 1fr; gap: 60px; }
  .problem-text { text-align: center; display: flex; flex-direction: column; align-items: center; }
  .problem-text .section-label { justify-content: center; }
  
  .how-inner { grid-template-columns: 1fr; gap: 60px; }
  .how-demo { max-width: 640px; margin: 0 auto; }
}

@media (max-width: 900px) {
  nav .nav-links, nav .btn-primary { display: none; }
  .hamburger { display: flex; }
  .mobile-menu .btn-primary { display: flex; }
}

@media (max-width: 640px) {
  :root { --container-padding: 20px; }
  
  h1 { font-size: clamp(2rem, 10vw, 2.8rem); }
  h2 { font-size: clamp(1.6rem, 8vw, 2.2rem); }
  
  .hero-cta-group { flex-direction: column; width: 100%; }
  .hero-cta-group a { width: 100%; justify-content: center; }
  
  .tech-strip { grid-template-columns: 1fr 1fr; }
  
  footer { flex-direction: column; align-items: center; text-align: center; }
  footer .footer-links { flex-direction: column; gap: 16px; }
}

@media (max-width: 480px) {
  .tech-strip { grid-template-columns: 1fr; }
  .provider-chips { justify-content: center; }
  
  .li-comment-box { flex-direction: column; padding: 16px; border-radius: 16px; }
  .ai-btn { width: 100%; margin-top: 10px; }
}