:root {
  --bg: #0a0a0f;
  --bg2: #0f0f1a;
  --bg3: #13131f;
  --surface: #1a1a28;
  --surface2: #22223a;
  --border: rgba(120, 120, 255, 0.12);
  --border2: rgba(120, 120, 255, 0.22);
  --primary: #6c6fff;
  --primary-soft: rgba(108, 111, 255, 0.12);
  --primary-glow: rgba(108, 111, 255, 0.35);
  --accent: #00e5c4;
  --accent-soft: rgba(0, 229, 196, 0.1);
  --text: #f0f0f8;
  --text2: #9898b8;
  --text3: #5a5a78;
  --green: #00d68a;
  --orange: #ff7a3d;
  --red: #ff4d7a;
  --mono: 'JetBrains Mono', monospace;
  --sans: 'Space Grotesk', 'Noto Sans SC', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ─── GRID BACKGROUND ─── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(108, 111, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(108, 111, 255, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
}

/* ─── NAV ─── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 0 40px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.3px;
  text-decoration: none;
  color: var(--text);
}

.logo-icon {
  width: 32px; height: 32px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}

.logo span { color: var(--primary); }

/* CSS Logo - 精确还原彩色圆形侧脸 */
.css-logo {
  position: relative;
  width: 40px;
  height: 40px;
  overflow: visible;
}

.css-logo .c {
  position: absolute;
  border-radius: 50%;
  opacity: 0.95;
}

/* === 右侧脸部 - 蓝色系（从下巴到额头）=== */

/* 下巴 - 最深蓝 */
.c-blue-1 {
  width: 15px;
  height: 15px;
  background: #1565c0;
  bottom: 2px;
  right: 10px;
}

/* 下脸颊 */
.c-blue-2 {
  width: 17px;
  height: 17px;
  background: #1e88e5;
  bottom: 10px;
  right: 4px;
}

/* 上脸颊 */
.c-blue-3 {
  width: 16px;
  height: 16px;
  background: #42a5f5;
  bottom: 20px;
  right: 8px;
}

/* 面部/鼻子 */
.c-blue-4 {
  width: 14px;
  height: 14px;
  background: #5cace2;
  bottom: 28px;
  right: 14px;
}

/* 额头 - 蓝紫 */
.c-blue-5 {
  width: 13px;
  height: 13px;
  background: #5c6bc0;
  top: 10px;
  right: 12px;
}

/* === 头顶 - 紫色/粉色 === */

/* 深紫色 */
.c-purple-1 {
  width: 14px;
  height: 14px;
  background: #6a4c93;
  top: 6px;
  right: 18px;
}

/* 紫色 */
.c-purple-2 {
  width: 12px;
  height: 12px;
  background: #7e57c2;
  top: 12px;
  right: 8px;
}

/* 洋红/粉红 */
.c-pink {
  width: 13px;
  height: 13px;
  background: #d81b60;
  top: 2px;
  right: 24px;
}

/* === 中心大脑 - 大黄色圆 === */
.c-brain {
  width: 24px;
  height: 24px;
  background: #f9a825;
  top: 10px;
  left: 6px;
}

/* === 左侧发散圆点 === */

/* 大绿色 */
.c-green-1 {
  width: 14px;
  height: 14px;
  background: #56ab2f;
  top: 4px;
  left: 2px;
}

/* 浅绿 */
.c-green-2 {
  width: 10px;
  height: 10px;
  background: #8bc34a;
  top: 0;
  left: 12px;
}

/* 黄色小圆 */
.c-yellow-1 {
  width: 8px;
  height: 8px;
  background: #fdd835;
  top: 0;
  left: 20px;
}

/* 青色 */
.c-cyan {
  width: 11px;
  height: 11px;
  background: #26c6da;
  top: 18px;
  left: 0;
}

/* 浅绿小 */
.c-green-3 {
  width: 8px;
  height: 8px;
  background: #aed581;
  top: 14px;
  left: 4px;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 32px;
}

nav ul li a {
  color: var(--text2);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.2s;
}

nav ul li a:hover { color: var(--text); }

.nav-cta {
  background: var(--primary) !important;
  color: #fff !important;
  padding: 8px 20px !important;
  border-radius: 8px !important;
  font-weight: 500 !important;
  transition: opacity 0.2s !important;
}

.nav-cta:hover { opacity: 0.85 !important; }

/* ─── HERO ─── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  text-align: center;
  padding: 120px 40px 80px;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  top: 20%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(ellipse, rgba(108, 111, 255, 0.18) 0%, transparent 70%);
  pointer-events: none;
}

.hero-glow2 {
  position: absolute;
  top: 40%;
  left: 30%;
  width: 300px;
  height: 300px;
  background: radial-gradient(ellipse, rgba(0, 229, 196, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary-soft);
  border: 1px solid rgba(108, 111, 255, 0.3);
  border-radius: 100px;
  padding: 6px 16px;
  font-size: 13px;
  color: var(--primary);
  font-weight: 500;
  margin-bottom: 28px;
  letter-spacing: 0.2px;
}

.badge::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

h1 {
  font-size: clamp(40px, 6vw, 80px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -2px;
  margin-bottom: 24px;
  max-width: 900px;
}

h1 .highlight {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 19px;
  color: var(--text2);
  max-width: 600px;
  margin-bottom: 44px;
  font-weight: 300;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 72px;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  padding: 14px 32px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  letter-spacing: 0.2px;
  transition: all 0.2s;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-primary:hover {
  background: #7c7fff;
  transform: translateY(-1px);
  box-shadow: 0 8px 30px var(--primary-glow);
}

.btn-outline {
  background: transparent;
  color: var(--text);
  padding: 14px 32px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  border: 1px solid var(--border2);
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-soft);
}

/* ─── CODE DEMO WINDOW ─── */
.demo-window {
  width: 100%;
  max-width: 780px;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  text-align: left;
  position: relative;
  z-index: 1;
  box-shadow: 0 0 80px rgba(108, 111, 255, 0.1);
}

.window-bar {
  background: var(--surface);
  padding: 12px 18px;
  display: flex;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid var(--border);
}

.dot { width: 12px; height: 12px; border-radius: 50%; }
.dot-r { background: #ff5f57; }
.dot-y { background: #ffbd2e; }
.dot-g { background: #28c840; }

.window-title {
  font-size: 13px;
  color: var(--text3);
  margin-left: 8px;
  font-family: var(--mono);
}

.tabs {
  display: flex;
  background: var(--bg3);
  border-bottom: 1px solid var(--border);
}

.tab {
  padding: 10px 20px;
  font-size: 12px;
  color: var(--text3);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  font-family: var(--mono);
  transition: all 0.2s;
}

.tab.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

.code-block {
  padding: 24px 28px;
  font-family: var(--mono);
  font-size: 13.5px;
  line-height: 1.8;
  overflow-x: auto;
}

.code-block .kw { color: var(--primary); }
.code-block .str { color: var(--accent); }
.code-block .fn { color: #f8c76a; }
.code-block .cmt { color: var(--text3); }
.code-block .key { color: #ff9b7a; }
.code-block .num { color: #9effb8; }
.code-block .op { color: var(--text2); }

/* ─── STATS BAR ─── */
.stats-bar {
  position: relative;
  z-index: 1;
  padding: 40px;
  display: flex;
  justify-content: center;
  gap: 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg2);
}

.stat-item {
  flex: 1;
  max-width: 220px;
  text-align: center;
  padding: 0 40px;
  border-right: 1px solid var(--border);
}

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

.stat-num {
  font-size: 42px;
  font-weight: 700;
  letter-spacing: -2px;
  background: linear-gradient(135deg, var(--text), var(--primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 13px;
  color: var(--text3);
  margin-top: 4px;
}

/* ─── SECTION ─── */
section {
  position: relative;
  z-index: 1;
  padding: 100px 40px;
  max-width: 1200px;
  margin: 0 auto;
}

.section-eyebrow {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 16px;
}

h2 {
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 700;
  letter-spacing: -1.5px;
  line-height: 1.15;
  margin-bottom: 16px;
}

.section-sub {
  font-size: 18px;
  color: var(--text2);
  max-width: 560px;
  line-height: 1.7;
  font-weight: 300;
  margin-bottom: 64px;
}

/* ─── FEATURES GRID ─── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}

.feature-card {
  background: var(--bg2);
  padding: 36px 32px;
  transition: background 0.3s;
  position: relative;
  overflow: hidden;
}

.feature-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--primary-soft), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}

.feature-card:hover::after { opacity: 1; }
.feature-card:hover { background: var(--bg3); }

.feat-icon {
  width: 44px; height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: 20px;
}

.feat-icon.purple { background: rgba(108, 111, 255, 0.15); }
.feat-icon.teal   { background: rgba(0, 229, 196, 0.12); }
.feat-icon.orange { background: rgba(255, 122, 61, 0.12); }
.feat-icon.green  { background: rgba(0, 214, 138, 0.12); }
.feat-icon.blue   { background: rgba(79, 172, 254, 0.12); }
.feat-icon.pink   { background: rgba(255, 77, 122, 0.12); }

.feature-card h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 10px;
  letter-spacing: -0.3px;
}

.feature-card p {
  font-size: 14px;
  color: var(--text2);
  line-height: 1.7;
}

/* ─── HOW IT WORKS ─── */
.how-it-works {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.steps {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.step {
  display: flex;
  gap: 20px;
  position: relative;
}

.step::before {
  content: '';
  position: absolute;
  left: 19px;
  top: 48px;
  bottom: -32px;
  width: 1px;
  background: var(--border);
}

.step:last-child::before { display: none; }

.step-num {
  flex-shrink: 0;
  width: 40px; height: 40px;
  background: var(--primary-soft);
  border: 1px solid rgba(108, 111, 255, 0.3);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  font-family: var(--mono);
}

.step-content h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 6px;
  letter-spacing: -0.2px;
}

.step-content p {
  font-size: 14px;
  color: var(--text2);
  line-height: 1.65;
}

.api-showcase {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}

.api-tabs {
  display: flex;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0 16px;
}

.api-tab {
  padding: 12px 16px;
  font-size: 12px;
  color: var(--text3);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  font-family: var(--mono);
  transition: all 0.2s;
}

.api-tab.active { color: var(--accent); border-bottom-color: var(--accent); }

.api-pane { display: none; padding: 24px; }
.api-pane.active { display: block; }

.api-line {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 4px 0;
  font-family: var(--mono);
  font-size: 13px;
}

.method {
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 4px;
  letter-spacing: 0.5px;
}
.get  { background: rgba(0, 214, 138, 0.15); color: var(--green); }
.post { background: rgba(108, 111, 255, 0.15); color: var(--primary); }
.put  { background: rgba(255, 122, 61, 0.15); color: var(--orange); }
.del  { background: rgba(255, 77, 122, 0.15); color: var(--red); }

.endpoint { color: var(--text2); }
.desc { color: var(--text3); font-size: 12px; }

.response-box {
  margin-top: 20px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
}

.response-header {
  font-size: 11px;
  color: var(--green);
  font-family: var(--mono);
  font-weight: 600;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.response-header::before {
  content: '●';
  font-size: 8px;
}

/* ─── PRICING ─── */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.pricing-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 36px 28px;
  position: relative;
  transition: border-color 0.3s;
}

.pricing-card:hover { border-color: var(--border2); }

.pricing-card.featured {
  background: var(--surface);
  border-color: var(--primary);
  box-shadow: 0 0 40px var(--primary-glow);
}

.plan-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 100px;
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.plan-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--text2);
  margin-bottom: 12px;
}

.plan-price {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 8px;
}

.plan-price .amount {
  font-size: 44px;
  font-weight: 700;
  letter-spacing: -2px;
}

.plan-price .currency {
  font-size: 20px;
  color: var(--text2);
  align-self: flex-start;
  margin-top: 10px;
}

.plan-price .period {
  font-size: 14px;
  color: var(--text3);
}

.plan-desc {
  font-size: 13px;
  color: var(--text3);
  margin-bottom: 28px;
  line-height: 1.6;
}

.plan-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 28px;
}

.plan-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--text2);
}

.plan-features li::before {
  content: '✓';
  color: var(--green);
  font-size: 13px;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

.plan-features li.muted::before { color: var(--text3); content: '—'; }
.plan-features li.muted { color: var(--text3); }

.btn-plan {
  width: 100%;
  padding: 12px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  border: 1px solid var(--border2);
  background: transparent;
  color: var(--text);
  font-family: var(--sans);
}

.btn-plan:hover {
  background: var(--primary-soft);
  border-color: var(--primary);
  color: var(--primary);
}

.btn-plan.primary {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.btn-plan.primary:hover {
  background: #7c7fff;
  box-shadow: 0 4px 20px var(--primary-glow);
  color: #fff;
}

/* ─── SCENARIOS ─── */
.scenarios-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.scenario-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 32px 28px;
  transition: border-color 0.3s, transform 0.3s;
}

.scenario-card:hover {
  border-color: var(--border2);
  transform: translateY(-2px);
}

.scenario-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 6px;
  margin-bottom: 16px;
}

.tag-ai     { background: rgba(108, 111, 255, 0.15); color: var(--primary); }
.tag-indie  { background: rgba(0, 229, 196, 0.12); color: var(--accent); }
.tag-mvp    { background: rgba(255, 122, 61, 0.12); color: var(--orange); }
.tag-edu    { background: rgba(0, 214, 138, 0.12); color: var(--green); }

.scenario-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 10px;
  letter-spacing: -0.3px;
}

.scenario-card p {
  font-size: 14px;
  color: var(--text2);
  line-height: 1.7;
}

/* ─── CTA BANNER ─── */
.cta-banner {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 100px 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 700px;
  height: 400px;
  background: radial-gradient(ellipse, rgba(108, 111, 255, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.cta-banner h2 { margin-bottom: 16px; }

.cta-banner p {
  color: var(--text2);
  font-size: 18px;
  max-width: 500px;
  margin: 0 auto 36px;
  font-weight: 300;
}

/* ─── FOOTER ─── */
footer {
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding: 60px 40px 40px;
  position: relative;
  z-index: 1;
}

.footer-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 60px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 32px;
}

.footer-brand p {
  font-size: 14px;
  color: var(--text3);
  margin-top: 12px;
  max-width: 280px;
  line-height: 1.7;
}

.footer-col h4 {
  font-size: 13px;
  font-weight: 600;
  color: var(--text2);
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}

.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a {
  font-size: 13px;
  color: var(--text3);
  text-decoration: none;
  transition: color 0.2s;
}
.footer-col ul li a:hover { color: var(--text); }

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--text3);
}

/* ─── LANG COMPAT ─── */
.lang-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 32px;
}

.lang-tag {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 13px;
  font-family: var(--mono);
  color: var(--text2);
  transition: all 0.2s;
}

.lang-tag:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-soft);
}

/* ─── TESTIMONIALS ─── */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.testimonial-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 28px;
  transition: border-color 0.3s;
}

.testimonial-card:hover { border-color: var(--border2); }

.testimonial-stars {
  color: #f8c76a;
  font-size: 13px;
  margin-bottom: 14px;
  letter-spacing: 2px;
}

.testimonial-text {
  font-size: 14px;
  color: var(--text2);
  line-height: 1.75;
  margin-bottom: 20px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 600;
}

.av-p { background: rgba(108, 111, 255, 0.2); color: var(--primary); }
.av-t { background: rgba(0, 229, 196, 0.15); color: var(--accent); }
.av-o { background: rgba(255, 122, 61, 0.15); color: var(--orange); }

.author-info .name { font-size: 13px; font-weight: 600; }
.author-info .role { font-size: 12px; color: var(--text3); }

/* ─── SCROLL ANIMATE ─── */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ─── RESPONSIVE ─── */
@media (max-width: 900px) {
  nav ul { display: none; }
  .features-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .scenarios-grid { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .how-it-works { grid-template-columns: 1fr; gap: 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .stats-bar { flex-wrap: wrap; }
  .stat-item { border-right: none; border-bottom: 1px solid var(--border); min-width: 50%; }
}

@media (max-width: 600px) {
  h1 { letter-spacing: -1px; }
  section { padding: 60px 20px; }
  .hero { padding: 100px 20px 60px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .footer-grid { grid-template-columns: 1fr; }
}