/* ========== CSS RESET & VARIABLES ========== */
:root {
  --color-primary: #0052e0;
  --color-primary-hover: #0047c4;
  --color-accent: #00b894;
  --color-violet: #7c3aed;
  --color-orange: #f97316;
  --color-teal: #00b894;
  --color-emerald: #10b981;
  --color-foreground: #0a0a18;
  --color-muted: #6b7280;
  --color-muted-light: #9ca3af;
  --color-border: #e5e7eb;
  --color-bg: #f8f9fc;
  --color-white: #ffffff;
  --color-card: #ffffff;
  --color-red: #ef4444;
  --color-red-light: #fef2f2;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-2xl: 24px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
  --shadow-lg: 0 10px 25px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.04);
  --shadow-xl: 0 20px 50px -6px rgba(0,0,0,0.10), 0 8px 10px -6px rgba(0,0,0,0.04);
  --font-sans: 'Noto Sans SC', 'Plus Jakarta Sans', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;
  --font-number: 'Plus Jakarta Sans', 'Noto Sans SC', sans-serif;
  --transition: 200ms ease;
  --transition-slow: 300ms ease;
  --max-width: 1280px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  color: var(--color-foreground);
  background: var(--color-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
ul, ol { list-style: none; }

/* ========== UTILITY CLASSES ========== */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

/* ========== SECTION HEADING ========== */
.section-label {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: rgba(0,82,224,0.08);
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 16px;
}
.section-title {
  font-size: clamp(28px, 4vw, 36px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--color-foreground);
}
.section-title .highlight { color: var(--color-primary); }
.section-desc {
  color: var(--color-muted);
  line-height: 1.7;
  margin-top: 12px;
  max-width: 600px;
}

/* ========== BUTTONS ========== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 600;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-primary);
  color: #fff;
}
.btn-primary:hover { background: var(--color-primary-hover); }
.btn-white {
  background: var(--color-white);
  color: var(--color-foreground);
}
.btn-white:hover { background: rgba(255,255,255,0.9); }
.btn-ghost {
  color: var(--color-muted);
  background: transparent;
}
.btn-ghost:hover { color: var(--color-foreground); background: rgba(0,0,0,0.04); }

/* ========== NAVIGATION ========== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
  height: 64px;
}
.nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}
.nav-logo {
  width: 32px; height: 32px;
  border-radius: var(--radius-sm);
  background: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}
.nav-logo svg { width: 16px; height: 16px; }
.nav-title {
  font-weight: 600;
  font-size: 16px;
  letter-spacing: -0.01em;
}
.nav-subtitle {
  color: var(--color-muted);
  font-size: 13px;
  display: none;
}
@media (min-width: 640px) { .nav-subtitle { display: inline; } }

.nav-links {
  display: none;
  align-items: center;
  gap: 32px;
}
@media (min-width: 768px) { .nav-links { display: flex; } }
.nav-links a {
  font-size: 14px;
  color: var(--color-muted);
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--color-foreground); }

.nav-cta { display: none; }
@media (min-width: 768px) { .nav-cta { display: flex; } }

.nav-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  border-radius: var(--radius-sm);
  color: var(--color-foreground);
  transition: background var(--transition);
}
.nav-toggle:hover { background: rgba(0,0,0,0.04); }
@media (min-width: 768px) { .nav-toggle { display: none; } }

/* Mobile menu */
.nav-mobile {
  display: none;
  border-top: 1px solid var(--color-border);
  background: var(--color-white);
  padding: 16px 24px;
  flex-direction: column;
  gap: 16px;
}
.nav-mobile.open { display: flex; }
.nav-mobile a {
  font-size: 14px;
  color: var(--color-muted);
  transition: color var(--transition);
}
.nav-mobile a:hover { color: var(--color-foreground); }

/* ========== HERO ========== */
.hero {
  position: relative;
  padding: 128px 0 96px;
  overflow: hidden;
  background: linear-gradient(135deg, #ffffff 0%, #eef3ff 50%, #f0fdf8 100%);
}
.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}
.hero-blob-1 {
  position: absolute;
  top: 80px; right: 0;
  width: 384px; height: 384px;
  border-radius: 50%;
  background: rgba(0,82,224,0.04);
  filter: blur(64px);
}
.hero-blob-2 {
  position: absolute;
  bottom: 0; left: 0;
  width: 320px; height: 320px;
  border-radius: 50%;
  background: rgba(0,184,148,0.04);
  filter: blur(64px);
}
.hero-line {
  position: absolute;
  top: 33%; left: 50%;
  width: 1px; height: 256px;
  opacity: 0.1;
  background: linear-gradient(to bottom, transparent, #0052e0, transparent);
}

.hero-content {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: start;
}
@media (min-width: 1024px) {
  .hero-content { grid-template-columns: 1fr 360px; }
}
@media (min-width: 1280px) {
  .hero-content { grid-template-columns: 1fr 420px; }
}

.hero-text { max-width: 720px; }
.hero-title {
  font-size: clamp(36px, 6vw, 56px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--color-foreground);
  margin-bottom: 24px;
}
.hero-title .accent { color: var(--color-primary); }
.hero-desc {
  font-size: 17px;
  color: var(--color-muted);
  line-height: 1.7;
  margin-bottom: 40px;
  max-width: 640px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 64px; }
.hero-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}
@media (min-width: 768px) {
  .hero-stats { grid-template-columns: repeat(4, 1fr); }
}
.hero-stat-value {
  font-size: 32px;
  font-weight: 700;
  color: var(--color-primary);
  font-family: var(--font-number);
  line-height: 1;
}
.hero-stat-label { font-size: 12px; color: var(--color-muted); margin-top: 4px; }

/* Hero visual card */
.hero-visual { display: none; position: relative; }
@media (min-width: 1024px) { .hero-visual { display: block; } }
.hero-visual-inner { position: relative; margin-top: 32px; }
.hero-img-wrap {
  width: 100%;
  aspect-ratio: 1;
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.hero-img-wrap img { width: 100%; height: 100%; object-fit: cover; mix-blend-mode: multiply; }
.hero-img-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,82,224,0.2), transparent);
  border-radius: var(--radius-lg);
}
.hero-card-badge {
  position: absolute;
  bottom: -16px; left: -16px;
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: 12px;
}
.hero-card-badge .pulse-dot {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--color-red-light);
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-card-badge .pulse-dot svg { width: 20px; height: 20px; color: var(--color-red); }
.hero-card-badge .label { font-size: 12px; color: var(--color-muted); }
.hero-card-badge .value {
  font-size: 18px;
  font-weight: 700;
  font-family: var(--font-number);
  color: var(--color-foreground);
}
.hero-card-badge .value .unit {
  font-size: 12px;
  font-weight: 400;
  color: var(--color-muted);
}
.hero-chart {
  margin-left: 8px;
  display: flex;
  gap: 2px;
  align-items: flex-end;
  height: 24px;
}
.hero-chart .bar {
  width: 4px;
  border-radius: 2px;
  background: #f87171;
}
.hero-card-top {
  position: absolute;
  top: -16px; right: 72px;
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: 10px 16px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
}
.hero-card-top .status-row {
  display: flex;
  align-items: center;
  gap: 8px;
}
.hero-card-top .live-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
  animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
.hero-card-top .status-text { font-size: 12px; font-weight: 600; }
.hero-card-top .status-sub { font-size: 12px; color: var(--color-muted); margin-top: 2px; }

/* ========== PAIN POINTS ========== */
.pain-points {
  padding: 96px 0;
  background: var(--color-white);
}
.pain-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 48px;
}
@media (min-width: 640px) { .pain-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .pain-grid { grid-template-columns: repeat(4, 1fr); } }

.pain-card {
  padding: 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-card);
  transition: all var(--transition-slow);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.pain-card:hover {
  border-color: rgba(0,82,224,0.3);
  box-shadow: var(--shadow-md);
}
.pain-card-header {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 4px;
}
.pain-card-icon {
  width: 32px; height: 32px;
  border-radius: var(--radius-sm);
  background: rgba(0,0,0,0.04);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background var(--transition);
}
.pain-card:hover .pain-card-icon { background: rgba(0,82,224,0.08); }
.pain-card-icon svg {
  width: 16px; height: 16px;
  color: var(--color-muted);
  transition: color var(--transition);
}
.pain-card:hover .pain-card-icon svg { color: var(--color-primary); }
.pain-card-num {
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--color-muted);
  margin-top: 3px;
}
.pain-card-title { font-size: 14px; font-weight: 600; }
.pain-card-desc { font-size: 12px; color: var(--color-muted); line-height: 1.6; }

.pain-answer {
  padding: 20px;
  border-radius: var(--radius-md);
  background: var(--color-primary);
  color: #fff;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.pain-answer-label { font-size: 12px; font-weight: 500; opacity: 0.7; margin-bottom: 8px; }
.pain-answer-title { font-size: 18px; font-weight: 700; line-height: 1.4; }
.pain-answer-desc { font-size: 12px; opacity: 0.7; line-height: 1.6; margin-top: 16px; }

/* ========== ARCHITECTURE ========== */
.architecture {
  padding: 96px 0;
  background: var(--color-bg);
}
.arch-header {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-bottom: 48px;
}
@media (min-width: 768px) {
  .arch-header {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
  }
}
.arch-header-desc {
  color: var(--color-muted);
  line-height: 1.7;
  font-size: 14px;
  max-width: 360px;
}
.arch-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
@media (min-width: 768px) { .arch-grid { grid-template-columns: repeat(2, 1fr); } }

.arch-card {
  padding: 24px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: var(--color-white);
  transition: all var(--transition-slow);
}
.arch-card:hover { box-shadow: var(--shadow-lg); }
.arch-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 20px;
}
.arch-card-icon-row {
  display: flex;
  align-items: center;
  gap: 12px;
}
.arch-card-icon {
  width: 40px; height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}
.arch-card-icon svg { width: 20px; height: 20px; }
.arch-card-layer {
  font-size: 12px;
  font-family: var(--font-mono);
  font-weight: 500;
}
.arch-card-name { font-size: 14px; font-weight: 600; }
.arch-card-desc { font-size: 12px; color: var(--color-muted); line-height: 1.6; margin-bottom: 16px; }
.arch-card-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.arch-card-tag {
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 500;
}

.arch-engines {
  margin-top: 32px;
  padding: 24px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: var(--color-white);
}
.arch-engines-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 16px;
}
.arch-engines-title svg { width: 20px; height: 20px; color: var(--color-primary); }
.arch-engines-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
@media (min-width: 768px) { .arch-engines-grid { grid-template-columns: repeat(4, 1fr); } }
.arch-engine {
  padding: 16px;
  border-radius: var(--radius-md);
  background: rgba(0,0,0,0.03);
}
.arch-engine-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  margin-bottom: 12px;
}
.arch-engine-name { font-size: 14px; font-weight: 500; margin-bottom: 4px; }
.arch-engine-desc { font-size: 12px; color: var(--color-muted); line-height: 1.5; }

/* ========== FEATURES ========== */
.features {
  padding: 96px 0;
  background: var(--color-white);
}
.features-layout {
  display: flex;
  flex-direction: column;
  gap: 32px;
  margin-top: 48px;
}
@media (min-width: 1024px) {
  .features-layout { flex-direction: row; }
}

.features-tabs {
  display: flex;
  flex-direction: row;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 8px;
  -webkit-overflow-scrolling: touch;
}
@media (min-width: 1024px) {
  .features-tabs {
    flex-direction: column;
    width: 256px;
    flex-shrink: 0;
    overflow-x: visible;
    padding-bottom: 0;
  }
}
.features-tabs::-webkit-scrollbar { display: none; }

.feature-tab {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
  color: var(--color-muted);
  transition: all var(--transition);
  white-space: nowrap;
  flex-shrink: 0;
  text-align: left;
}
.feature-tab:hover { background: rgba(0,0,0,0.03); color: var(--color-foreground); }
.feature-tab.active {
  background: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow-md);
}
.feature-tab svg { width: 16px; height: 16px; flex-shrink: 0; }

.features-panel {
  flex: 1;
  min-height: 256px;
}
.feature-detail {
  padding: 32px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: var(--color-card);
  height: 100%;
}
.feature-detail-header {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 24px;
}
.feature-detail-icon {
  width: 48px; height: 48px;
  border-radius: var(--radius-md);
  background: rgba(0,82,224,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.feature-detail-icon svg { width: 24px; height: 24px; color: var(--color-primary); }
.feature-detail-module {
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--color-muted);
  margin-bottom: 4px;
}
.feature-detail-title { font-size: 20px; font-weight: 700; }
.feature-detail-desc {
  color: var(--color-muted);
  line-height: 1.7;
  margin-bottom: 24px;
}
.feature-detail-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.feature-tag {
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 500;
  background: rgba(0,82,224,0.06);
  color: var(--color-primary);
  border: 1px solid rgba(0,82,224,0.1);
}

/* ========== SCENARIOS ========== */
.scenarios {
  padding: 96px 0;
  background: var(--color-bg);
}
.scenarios-tabs {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  padding-bottom: 8px;
  margin: 40px 0 16px;
  -webkit-overflow-scrolling: touch;
}
.scenarios-tabs::-webkit-scrollbar { display: none; }
.scenario-tab {
  padding: 8px 20px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  flex-shrink: 0;
  transition: all var(--transition);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  color: var(--color-muted);
}
.scenario-tab:hover { color: var(--color-foreground); }
.scenario-tab.active {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

.scenario-panel {
  display: grid;
  grid-template-columns: 1fr;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: var(--color-white);
}
@media (min-width: 768px) { .scenario-panel { grid-template-columns: 1fr 1fr; } }
.scenario-img {
  position: relative;
  height: 256px;
  overflow: hidden;
  background: #e5e7eb;
}
@media (min-width: 768px) { .scenario-img { height: auto; } }
.scenario-img img { width: 100%; height: 100%; object-fit: cover; }
.scenario-img-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: flex-end;
  padding: 32px;
}
.scenario-img-title { font-size: 30px; font-weight: 700; color: #fff; margin-bottom: 8px; }
.scenario-img-target { font-size: 14px; color: rgba(255,255,255,0.8); }
.scenario-body {
  padding: 32px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.scenario-num {
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--color-muted);
  margin-bottom: 16px;
}
.scenario-title { font-size: 24px; font-weight: 700; margin-bottom: 12px; }
.scenario-target-row {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
}
.scenario-target-row svg { width: 14px; height: 14px; color: var(--color-muted); }
.scenario-target-row span { font-size: 12px; color: var(--color-muted); }
.scenario-desc { color: var(--color-muted); line-height: 1.7; }
.scenario-link {
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--color-primary);
  font-weight: 500;
  transition: all var(--transition);
}
.scenario-link:hover { text-decoration: underline; }

/* ========== ADVANTAGES ========== */
.advantages {
  padding: 96px 0;
  background: var(--color-white);
}
.adv-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 64px;
  align-items: center;
}
@media (min-width: 1024px) {
  .adv-grid { grid-template-columns: 1fr 1fr; }
}
.adv-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
@media (min-width: 640px) {
  .adv-cards { grid-template-columns: repeat(2, 1fr); }
}
.adv-card {
  padding: 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  transition: all var(--transition-slow);
}
.adv-card:hover {
  border-color: rgba(0,82,224,0.3);
  box-shadow: var(--shadow-md);
}
.adv-card-inner {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}
.adv-card-icon {
  width: 36px; height: 36px;
  border-radius: var(--radius-sm);
  background: rgba(0,82,224,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background var(--transition);
}
.adv-card:hover .adv-card-icon { background: rgba(0,82,224,0.12); }
.adv-card-icon svg { width: 16px; height: 16px; color: var(--color-primary); }
.adv-card-title { font-size: 14px; font-weight: 600; margin-bottom: 4px; }
.adv-card-desc { font-size: 12px; color: var(--color-muted); line-height: 1.6; }

/* ========== CTA ========== */
.cta {
  padding: 96px 0;
  background: linear-gradient(135deg, #0a0a18 0%, #0d1a4a 100%);
  text-align: center;
}
.cta-title {
  font-size: clamp(28px, 5vw, 44px);
  font-weight: 700;
  color: #fff;
  line-height: 1.3;
  margin-bottom: 24px;
}
.cta-desc {
  color: rgba(255,255,255,0.6);
  line-height: 1.7;
  max-width: 640px;
  margin: 0 auto 48px;
}
.cta-icons {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  max-width: 640px;
  margin: 0 auto 48px;
}
@media (min-width: 768px) {
  .cta-icons { grid-template-columns: repeat(4, 1fr); }
}
.cta-icon-card {
  padding: 16px;
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.cta-icon-card svg { width: 24px; height: 24px; color: rgba(255,255,255,0.6); }
.cta-icon-card span { font-size: 14px; color: rgba(255,255,255,0.7); }
.cta-actions { display: flex; flex-direction: column; gap: 16px; justify-content: center; align-items: center; }
@media (min-width: 640px) {
  .cta-actions { flex-direction: row; }
}

/* ========== FOOTER ========== */
.footer {
  padding: 32px 0;
  border-top: 1px solid var(--color-border);
  background: var(--color-white);
}
.footer .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  text-align: center;
}
@media (min-width: 768px) {
  .footer .container { flex-direction: row; justify-content: space-between; text-align: left; }
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 600;
}
.footer-logo {
  width: 28px; height: 28px;
  border-radius: var(--radius-sm);
  background: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}
.footer-logo svg { width: 14px; height: 14px; color: #fff; }
.footer-links { display: flex; gap: 24px; }
.footer-links a {
  font-size: 12px;
  color: var(--color-muted);
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--color-foreground); }
.footer-copy { font-size: 12px; color: var(--color-muted); }

/* ========== RESPONSIVE FINE-TUNING ========== */
@media (max-width: 767px) {
  .hero { padding: 104px 0 64px; }
  .pain-points, .architecture, .features, .scenarios, .advantages, .cta { padding: 64px 0; }
}