/* ===================================================
   IDEA Official Landing Page — CSS Design System
   =================================================== */

/* === RESET & BASE === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Noto Sans JP', 'Inter', sans-serif;
  background: #080c14;
  color: #e0e8f0;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body.dark { background: #080c14; }

/* === CSS VARIABLES === */
:root {
  --bg-primary: #080c14;
  --bg-secondary: #0d1624;
  --bg-card: #111927;
  --bg-card-hover: #16212e;
  --border: rgba(255,255,255,0.07);
  --border-glow: rgba(77,148,255,0.3);

  --blue: #4d94ff;
  --blue-bright: #60a5fa;
  --neon-blue: #00d4ff;
  --neon-pink: #ff2d8a;
  --neon-purple: #b44dff;
  --purple: #8b5cf6;
  --pink: #ff4d8a;
  --green: #00e5a0;
  --yellow: #ffd700;

  --text-primary: #e8f0ff;
  --text-secondary: #8899aa;
  --text-muted: #556677;

  --radius: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-glow: 0 0 30px rgba(77,148,255,0.15);
  --shadow-card: 0 4px 32px rgba(0,0,0,0.4);
}

/* === TYPOGRAPHY === */
h1, h2, h3, h4, h5 {
  font-family: 'Inter', 'Noto Sans JP', sans-serif;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}
h1 { font-size: clamp(2.2rem, 5vw, 4rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.5rem); }
h4 { font-size: 1rem; }
p { color: var(--text-secondary); }
a { text-decoration: none; color: inherit; }
em { font-style: normal; color: var(--blue-bright); }
strong { color: var(--text-primary); font-weight: 600; }

/* === CONTAINER === */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* === SCROLLBAR === */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--border-glow); border-radius: 3px; }

/* ===================================================
   NAVIGATION
   =================================================== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(8, 12, 20, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
.nav.scrolled {
  background: rgba(8, 12, 20, 0.97);
  box-shadow: 0 2px 20px rgba(0,0,0,0.5);
}
.nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  height: 64px;
  gap: 32px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  font-size: 1.3rem;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  flex-shrink: 0;
}
.logo-icon {
  color: var(--neon-blue);
  font-size: 1.4rem;
  filter: drop-shadow(0 0 8px var(--neon-blue));
}
.logo-text { color: var(--text-primary); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
  flex: 1;
}
.nav-link {
  padding: 6px 12px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: 8px;
  transition: var(--transition);
  white-space: nowrap;
}
.nav-link:hover { color: var(--text-primary); background: rgba(255,255,255,0.05); }
.nav-link.active { color: var(--blue); }

.nav-cta {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  margin-left: auto;
}
.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-secondary);
  border-radius: 2px;
  transition: var(--transition);
}

/* ===================================================
   BUTTONS
   =================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
  font-family: inherit;
}
.btn-sm { padding: 7px 14px; font-size: 0.8rem; }
.btn-lg { padding: 14px 28px; font-size: 1rem; border-radius: 12px; }
.btn-xl { padding: 16px 36px; font-size: 1.05rem; border-radius: 14px; }
.btn-full { width: 100%; }

.btn-primary {
  background: var(--blue);
  color: #fff;
  box-shadow: 0 4px 20px rgba(77,148,255,0.3);
}
.btn-primary:hover {
  background: #5ea5ff;
  transform: translateY(-1px);
  box-shadow: 0 8px 30px rgba(77,148,255,0.45);
}

.btn-neon {
  background: transparent;
  color: var(--neon-blue);
  border: 1.5px solid var(--neon-blue);
  box-shadow: 0 0 15px rgba(0,212,255,0.15);
}
.btn-neon:hover {
  background: rgba(0,212,255,0.1);
  box-shadow: 0 0 25px rgba(0,212,255,0.3);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--text-secondary);
  border: 1.5px solid var(--border);
}
.btn-outline:hover {
  color: var(--text-primary);
  border-color: rgba(255,255,255,0.2);
  background: rgba(255,255,255,0.04);
}

.btn-ghost {
  background: rgba(255,255,255,0.06);
  color: var(--text-secondary);
  border: 1px solid var(--border);
}
.btn-ghost:hover {
  background: rgba(255,255,255,0.1);
  color: var(--text-primary);
}

/* ===================================================
   SECTIONS
   =================================================== */
.section { padding: 100px 0; }
.section-dark {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.section-alt {
  background: rgba(13,22,36,0.6);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.section-label::before {
  content: '';
  display: inline-block;
  width: 20px;
  height: 2px;
  background: var(--blue);
  border-radius: 1px;
}
.section-label.neon { color: var(--neon-blue); }
.section-label.neon::before { background: var(--neon-blue); }
.section-label.pink { color: var(--pink); }
.section-label.pink::before { background: var(--pink); }
.section-label.green { color: var(--green); }
.section-label.green::before { background: var(--green); }
.section-label.yellow { color: var(--yellow); }
.section-label.yellow::before { background: var(--yellow); }

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  color: var(--text-primary);
  margin-bottom: 24px;
  line-height: 1.25;
}
.section-desc {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 640px;
  line-height: 1.8;
  margin-bottom: 60px;
}

/* ===================================================
   HERO SECTION
   =================================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 64px;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(77,148,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(77,148,255,0.04) 1px, transparent 1px);
  background-size: 48px 48px;
}
.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.35;
  pointer-events: none;
}
.hero-glow-1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(77,148,255,0.5), transparent 70%);
  top: -100px;
  right: -100px;
}
.hero-glow-2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(180,77,255,0.4), transparent 70%);
  bottom: -50px;
  left: 10%;
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 1280px;
  margin: 0 auto;
  padding: 80px 24px 60px;
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 60px;
  align-items: center;
  width: 100%;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0,212,255,0.08);
  border: 1px solid rgba(0,212,255,0.25);
  color: var(--neon-blue);
  padding: 6px 14px;
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 28px;
  letter-spacing: 0.03em;
}
.badge-dot {
  width: 7px;
  height: 7px;
  background: var(--neon-blue);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--neon-blue);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}

.hero-title {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 28px;
}
.title-main {
  display: block;
  font-size: clamp(4rem, 9vw, 7.5rem);
  font-weight: 900;
  letter-spacing: -0.05em;
  background: linear-gradient(135deg, #fff 30%, var(--blue) 70%, var(--neon-blue) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}
.title-sub {
  display: block;
  font-size: clamp(1rem, 2vw, 1.4rem);
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.hero-copy {
  font-size: clamp(1rem, 1.8vw, 1.2rem);
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 36px;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 16px;
}
.hero-note {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin: 0;
}

.hero-scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: var(--text-muted);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  animation: bounce 2s infinite;
  z-index: 2;
}
@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* ===================================================
   HERO MOCKUP
   =================================================== */
.hero-mockup {
  position: relative;
}
.mockup-window {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow:
    0 0 0 1px rgba(77,148,255,0.1),
    0 32px 80px rgba(0,0,0,0.6),
    0 0 60px rgba(77,148,255,0.08);
}
.mockup-titlebar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid var(--border);
}
.dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}
.dot-red { background: #ff5f57; }
.dot-yellow { background: #ffbd2e; }
.dot-green { background: #28ca41; }
.mockup-url {
  font-size: 0.7rem;
  color: var(--text-muted);
  background: rgba(255,255,255,0.04);
  padding: 3px 12px;
  border-radius: 20px;
  margin-left: 8px;
}
.mockup-body { padding: 14px; display: flex; flex-direction: column; gap: 12px; }

/* AI Bar */
.mock-ai-bar {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  background: rgba(0,212,255,0.07);
  border: 1px solid rgba(0,212,255,0.2);
  border-radius: 10px;
  padding: 10px 12px;
}
.mock-ai-icon {
  font-size: 1.2rem;
  color: var(--neon-blue);
  filter: drop-shadow(0 0 6px var(--neon-blue));
  flex-shrink: 0;
  margin-top: 2px;
}
.mock-ai-label {
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--neon-blue);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 2px;
}
.mock-ai-msg { font-size: 0.72rem; color: var(--text-secondary); line-height: 1.5; }

/* Mock Grid */
.mock-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.mock-panel {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px;
}
.mock-panel-header {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}
.mock-panel-icon { color: var(--blue); }
.mock-badge {
  margin-left: auto;
  background: var(--blue);
  color: #fff;
  font-size: 0.6rem;
  padding: 1px 6px;
  border-radius: 10px;
}

/* Tasks */
.mock-task-list { display: flex; flex-direction: column; gap: 5px; }
.mock-task {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 0.68rem;
  color: var(--text-secondary);
}
.mock-task.done { color: var(--text-muted); text-decoration: line-through; }
.mock-task.active { color: var(--text-primary); }
.mock-check {
  width: 12px;
  height: 12px;
  border: 1.5px solid var(--text-muted);
  border-radius: 3px;
  flex-shrink: 0;
}
.mock-check.done {
  background: var(--blue);
  border-color: var(--blue);
}
.mock-check.active { border-color: var(--neon-blue); }

/* Finance */
.mock-finance-nums { display: flex; gap: 6px; margin-bottom: 8px; flex-wrap: wrap; }
.mock-fin-item { flex: 1; min-width: 60px; }
.mock-fin-label { font-size: 0.58rem; color: var(--text-muted); margin-bottom: 2px; }
.mock-fin-val { font-size: 0.72rem; font-weight: 700; }
.mock-fin-val.green { color: var(--green); }
.mock-fin-val.pink { color: var(--pink); }
.mock-fin-val.blue { color: var(--blue); }
.mock-fin-bar {
  height: 4px;
  background: rgba(255,255,255,0.08);
  border-radius: 2px;
  overflow: hidden;
}
.mock-fin-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--green), var(--blue));
  border-radius: 2px;
}

/* Calendar */
.mock-cal-items { display: flex; flex-direction: column; gap: 5px; }
.mock-cal-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 7px;
  border-radius: 6px;
  background: rgba(255,255,255,0.04);
  border-left: 2px solid;
  font-size: 0.65rem;
}
.mock-cal-item.blue-border { border-color: var(--blue); }
.mock-cal-item.pink-border { border-color: var(--pink); }
.mock-cal-item.purple-border { border-color: var(--purple); }
.mock-cal-time { color: var(--text-muted); min-width: 30px; }
.mock-cal-title { color: var(--text-secondary); }

/* Health */
.mock-health-row { display: flex; gap: 8px; }
.mock-health-item { flex: 1; text-align: center; }
.mock-health-val { font-size: 0.85rem; font-weight: 700; color: var(--text-primary); }
.mock-health-val span { font-size: 0.55rem; color: var(--text-muted); font-weight: 400; }
.mock-health-label { font-size: 0.6rem; color: var(--text-muted); margin-top: 2px; }
.green-text { color: var(--green); }

/* ===================================================
   INTEGRATION BAR
   =================================================== */
.integrations-bar {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 28px 0;
}
.integrations-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-align: center;
  margin-bottom: 20px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.integration-logos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 24px;
}
.int-logo {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  color: var(--text-muted);
  padding: 6px 12px;
  border-radius: 8px;
  transition: var(--transition);
}
.int-logo:hover { color: var(--text-primary); background: rgba(255,255,255,0.04); }

/* ===================================================
   FEATURES OVERVIEW
   =================================================== */
.features-overview {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
  margin-top: 60px;
}
.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  opacity: 0;
  transition: var(--transition);
  background: linear-gradient(135deg, rgba(77,148,255,0.05), transparent);
}
.feature-card:hover { border-color: var(--border-glow); transform: translateY(-3px); }
.feature-card:hover::before { opacity: 1; }

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  margin-bottom: 16px;
}
.feature-icon.blue { background: rgba(77,148,255,0.12); color: var(--blue); }
.feature-icon.purple { background: rgba(139,92,246,0.12); color: var(--purple); }
.feature-icon.pink { background: rgba(255,77,138,0.12); color: var(--pink); }
.feature-icon.green { background: rgba(0,229,160,0.12); color: var(--green); }
.feature-icon.yellow { background: rgba(255,215,0,0.12); color: var(--yellow); }

.feature-card h3 {
  font-size: 1rem;
  color: var(--text-primary);
  margin-bottom: 8px;
}
.feature-card p { font-size: 0.875rem; color: var(--text-secondary); line-height: 1.6; }

/* ===================================================
   AI SECTION
   =================================================== */
.ai-showcase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
  margin-top: 60px;
}
.ai-features { display: flex; flex-direction: column; gap: 28px; }
.ai-feature-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.ai-feature-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(0,212,255,0.1);
  color: var(--neon-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
  border: 1px solid rgba(0,212,255,0.2);
}
.ai-feature-text h4 {
  font-size: 0.95rem;
  color: var(--text-primary);
  margin-bottom: 4px;
}
.ai-feature-text p { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.6; }

/* Chat Mock */
.ai-chat-mock {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
.chat-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  background: rgba(0,212,255,0.05);
}
.chat-ai-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(0,212,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--neon-blue);
  font-size: 1.1rem;
  border: 1px solid rgba(0,212,255,0.3);
}
.chat-ai-name { font-size: 0.9rem; font-weight: 600; color: var(--text-primary); }
.chat-ai-status {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 0.72rem;
  color: var(--green);
}
.status-dot { width: 7px; height: 7px; background: var(--green); border-radius: 50%; }
.chat-messages { padding: 20px; display: flex; flex-direction: column; gap: 12px; }
.chat-msg {
  max-width: 85%;
  padding: 10px 14px;
  border-radius: 12px;
  font-size: 0.82rem;
  line-height: 1.6;
}
.chat-msg.ai {
  background: rgba(0,212,255,0.07);
  border: 1px solid rgba(0,212,255,0.15);
  color: var(--text-secondary);
  align-self: flex-start;
  border-bottom-left-radius: 4px;
}
.chat-msg.user {
  background: var(--blue);
  color: #fff;
  align-self: flex-end;
  border-bottom-right-radius: 4px;
}
.chat-input-mock {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-top: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
}
.chat-input-mock span {
  flex: 1;
  font-size: 0.82rem;
  color: var(--text-muted);
}
.chat-input-mock button {
  background: var(--blue);
  border: none;
  color: #fff;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.8rem;
  display: flex;
  align-items: center;
  justify-content: center;
}
.ai-cta { margin-top: 48px; text-align: center; }

/* ===================================================
   FEATURE HIGHLIGHT
   =================================================== */
.feature-highlight { overflow: hidden; }
.highlight-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.highlight-grid.reverse { direction: rtl; }
.highlight-grid.reverse > * { direction: ltr; }
.highlight-content .section-label { margin-bottom: 16px; }
.highlight-content h2 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  margin-bottom: 20px;
}
.highlight-content p {
  font-size: 0.95rem;
  line-height: 1.8;
  margin-bottom: 28px;
}
.feature-list { list-style: none; display: flex; flex-direction: column; gap: 10px; margin-bottom: 32px; }
.feature-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}
.feature-list li i { color: var(--green); }

/* Mini Dashboard */
.mini-dashboard {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-card), var(--shadow-glow);
}
.dash-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
}
.dash-title i { color: var(--pink); }
.dash-chart-row { display: flex; gap: 20px; align-items: center; margin-bottom: 20px; }

/* Donut chart */
.donut-chart { width: 90px; flex-shrink: 0; text-align: center; }
.circular-chart { width: 90px; height: 90px; }
.circle-bg {
  fill: none;
  stroke: rgba(255,255,255,0.06);
  stroke-width: 3.8;
}
.circle {
  fill: none;
  stroke-width: 3.8;
  stroke-linecap: round;
  animation: progress 1s ease-out;
  transform: rotate(-90deg);
  transform-origin: 50% 50%;
}
.blue-circle { stroke: var(--blue); }
@keyframes progress { from { stroke-dasharray: 0 100; } }
.circular-chart .percentage {
  font-size: 7px;
  font-weight: 700;
  fill: var(--text-primary);
  text-anchor: middle;
}
.donut-label { font-size: 0.7rem; color: var(--text-muted); margin-top: 6px; }

.fin-stats { display: flex; flex-direction: column; gap: 8px; flex: 1; }
.fin-stat-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  color: var(--text-secondary);
}
.fin-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.fin-dot.blue { background: var(--blue); }
.fin-dot.pink { background: var(--pink); }
.fin-dot.purple { background: var(--purple); }
.fin-amount { margin-left: auto; font-weight: 600; color: var(--text-primary); }

.dash-items { display: flex; flex-direction: column; gap: 8px; }
.dash-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.78rem;
  color: var(--text-secondary);
  padding: 8px 10px;
  border-radius: 8px;
  background: rgba(255,255,255,0.02);
}
.dash-item i { width: 16px; text-align: center; }
.dash-item i.pink { color: var(--pink); }
.dash-item i.blue { color: var(--blue); }
.dash-item i.purple { color: var(--purple); }
.dash-badge {
  margin-left: auto;
  background: rgba(0,229,160,0.15);
  color: var(--green);
  font-size: 0.6rem;
  padding: 1px 6px;
  border-radius: 10px;
  font-weight: 600;
}

/* Health Dashboard */
.health-metrics { display: flex; gap: 12px; margin-bottom: 16px; flex-wrap: wrap; }
.health-metric {
  flex: 1;
  min-width: 80px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
  text-align: center;
}
.metric-label { font-size: 0.65rem; color: var(--text-muted); margin-bottom: 6px; }
.metric-val { font-size: 1.1rem; font-weight: 700; color: var(--text-primary); }
.metric-val span { font-size: 0.6rem; font-weight: 400; color: var(--text-muted); }
.metric-trend {
  font-size: 0.62rem;
  color: var(--green);
  margin-top: 4px;
}
.metric-trend.down { color: var(--blue); }
.metric-trend.warn { color: var(--yellow); }
.health-ai-note {
  background: rgba(0,212,255,0.07);
  border: 1px solid rgba(0,212,255,0.18);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 0.75rem;
  color: var(--text-secondary);
  display: flex;
  align-items: flex-start;
  gap: 8px;
}
.health-ai-note i { color: var(--neon-blue); margin-top: 1px; }

/* ===================================================
   TARGET GRID
   =================================================== */
.target-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
  margin-top: 60px;
}
.target-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  text-align: center;
  transition: var(--transition);
}
.target-card:hover { border-color: var(--border-glow); transform: translateY(-3px); }
.target-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: rgba(77,148,255,0.1);
  color: var(--blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin: 0 auto 16px;
  border: 1px solid rgba(77,148,255,0.2);
}
.target-card h3 { font-size: 1rem; color: var(--text-primary); margin-bottom: 10px; }
.target-card p { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.6; }

/* ===================================================
   SECURITY SECTION
   =================================================== */
.security-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 24px;
  margin-top: 60px;
}
.security-item {
  padding: 28px;
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
}
.security-item:hover { border-color: var(--border-glow); }
.security-item > i {
  font-size: 1.8rem;
  color: var(--blue);
  margin-bottom: 16px;
  display: block;
}
.security-item h4 { color: var(--text-primary); margin-bottom: 8px; font-size: 1rem; }
.security-item p { font-size: 0.875rem; color: var(--text-secondary); }

/* ===================================================
   CTA SECTION
   =================================================== */
.cta-section {
  position: relative;
  text-align: center;
  overflow: hidden;
}
.cta-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.cta-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 300px;
  background: radial-gradient(ellipse, rgba(77,148,255,0.12), transparent 70%);
  border-radius: 50%;
}
.cta-inner { position: relative; z-index: 1; }
.cta-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0,212,255,0.08);
  border: 1px solid rgba(0,212,255,0.2);
  color: var(--neon-blue);
  padding: 6px 16px;
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  margin-bottom: 28px;
}
.cta-title { margin-bottom: 20px; }
.cta-desc {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 40px;
  line-height: 1.8;
}
.cta-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  margin-bottom: 28px;
}
.cta-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 24px;
}
.cta-links a {
  font-size: 0.875rem;
  color: var(--text-muted);
  transition: var(--transition);
}
.cta-links a:hover { color: var(--text-secondary); }

/* ===================================================
   PAGE HERO (inner pages)
   =================================================== */
.page-hero {
  position: relative;
  padding: 140px 0 80px;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}
.page-hero-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(77,148,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(77,148,255,0.04) 1px, transparent 1px);
  background-size: 40px 40px;
}
.page-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 60% 40%, rgba(77,148,255,0.08) 0%, transparent 60%);
}
.page-hero .container { position: relative; z-index: 1; }
.page-title {
  font-size: clamp(2rem, 4.5vw, 3.5rem);
  margin-bottom: 20px;
  line-height: 1.2;
}
.page-desc {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 600px;
}

/* ===================================================
   FEATURE SECTIONS (features page)
   =================================================== */
.feature-section {
  margin-bottom: 80px;
  padding-bottom: 80px;
  border-bottom: 1px solid var(--border);
}
.feature-section:last-child { border-bottom: none; }
.feature-section-header {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  margin-bottom: 40px;
}
.feature-section-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}
.feature-section-icon.blue { background: rgba(77,148,255,0.12); color: var(--blue); }
.feature-section-icon.purple { background: rgba(139,92,246,0.12); color: var(--purple); }
.feature-section-header h2 { margin-bottom: 8px; font-size: 1.8rem; }
.feature-section-header p { font-size: 0.9rem; color: var(--text-secondary); }

.feature-detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}
.feature-detail-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  transition: var(--transition);
}
.feature-detail-card:hover { border-color: var(--border-glow); }
.feature-detail-card > i {
  font-size: 1.3rem;
  margin-bottom: 12px;
  display: block;
}
.feature-detail-card > i.blue { color: var(--blue); }
.feature-detail-card > i.purple { color: var(--purple); }
.feature-detail-card h4 { font-size: 0.9rem; color: var(--text-primary); margin-bottom: 6px; }
.feature-detail-card p { font-size: 0.82rem; color: var(--text-secondary); line-height: 1.6; }

.feature-integrations {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}
.int-tag {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.integration-big-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 16px;
  margin-top: 40px;
}
.integration-big-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-secondary);
  transition: var(--transition);
  cursor: default;
}
.integration-big-card > i { font-size: 1.8rem; }
.integration-big-card:hover {
  border-color: var(--border-glow);
  background: rgba(77,148,255,0.04);
}
.integration-big-card.coming { opacity: 0.5; }
.integration-big-card.coming em { font-size: 0.7rem; color: var(--text-muted); font-style: italic; }

/* ===================================================
   AI DETAIL GRID
   =================================================== */
.ai-detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}
.ai-detail-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  position: relative;
  transition: var(--transition);
}
.ai-detail-card:hover { border-color: var(--border-glow); }
.ai-detail-num {
  font-size: 3rem;
  font-weight: 900;
  color: rgba(77,148,255,0.1);
  position: absolute;
  top: 16px;
  right: 20px;
  line-height: 1;
}
.ai-detail-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(0,212,255,0.1);
  color: var(--neon-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  margin-bottom: 16px;
}
.ai-detail-card h3 { font-size: 1rem; color: var(--text-primary); margin-bottom: 10px; }
.ai-detail-card p { font-size: 0.875rem; color: var(--text-secondary); line-height: 1.7; }

/* Chat demo grid */
.chat-demo-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 48px;
}
.chat-demo-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.chat-demo-q {
  padding: 14px 18px;
  background: rgba(77,148,255,0.08);
  border-bottom: 1px solid var(--border);
  font-size: 0.875rem;
  color: var(--text-primary);
  font-weight: 500;
}
.chat-demo-a {
  padding: 14px 18px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ===================================================
   FINANCE, HEALTH, CREATIVE, TEAM PAGES
   =================================================== */
.finance-features,
.health-features,
.team-features {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 60px;
}
.finance-feature-item,
.health-feature-item,
.team-feature-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: var(--transition);
}
.finance-feature-item:hover,
.health-feature-item:hover,
.team-feature-item:hover {
  border-color: var(--border-glow);
  transform: translateY(-2px);
}
.finance-feature-icon,
.health-feature-icon,
.team-feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  margin-bottom: 16px;
}
.finance-feature-icon.pink,
.health-feature-icon.green,
.team-feature-icon.blue {
  background: rgba(77,148,255,0.1);
  color: var(--blue);
}
.finance-feature-icon.pink { background: rgba(255,77,138,0.1); color: var(--pink); }
.finance-feature-icon.purple { background: rgba(139,92,246,0.1); color: var(--purple); }
.finance-feature-icon.blue { background: rgba(77,148,255,0.1); color: var(--blue); }
.finance-feature-icon.green { background: rgba(0,229,160,0.1); color: var(--green); }
.finance-feature-icon.yellow { background: rgba(255,215,0,0.1); color: var(--yellow); }
.health-feature-icon.green { background: rgba(0,229,160,0.1); color: var(--green); }
.health-feature-icon.blue { background: rgba(77,148,255,0.1); color: var(--blue); }
.health-feature-icon.pink { background: rgba(255,77,138,0.1); color: var(--pink); }
.health-feature-icon.purple { background: rgba(139,92,246,0.1); color: var(--purple); }
.health-feature-icon.yellow { background: rgba(255,215,0,0.1); color: var(--yellow); }
.team-feature-icon.blue { background: rgba(77,148,255,0.1); color: var(--blue); }
.team-feature-icon.green { background: rgba(0,229,160,0.1); color: var(--green); }
.team-feature-icon.pink { background: rgba(255,77,138,0.1); color: var(--pink); }
.team-feature-icon.purple { background: rgba(139,92,246,0.1); color: var(--purple); }
.team-feature-icon.yellow { background: rgba(255,215,0,0.1); color: var(--yellow); }

.finance-feature-item h3,
.health-feature-item h3,
.team-feature-item h3 { font-size: 1rem; color: var(--text-primary); margin-bottom: 10px; }
.finance-feature-item p,
.health-feature-item p,
.team-feature-item p { font-size: 0.875rem; color: var(--text-secondary); line-height: 1.6; }

.health-disclaimer {
  background: rgba(255,215,0,0.06);
  border: 1px solid rgba(255,215,0,0.2);
  border-radius: 10px;
  padding: 14px 18px;
  font-size: 0.82rem;
  color: var(--text-secondary);
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 40px;
}
.health-disclaimer i { color: var(--yellow); flex-shrink: 0; margin-top: 1px; }

/* Creative Types */
.creative-types {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
  margin-top: 60px;
  margin-bottom: 80px;
}
.creative-type-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  text-align: center;
  transition: var(--transition);
}
.creative-type-card:hover { border-color: rgba(255,215,0,0.3); transform: translateY(-3px); }
.creative-type-icon {
  font-size: 2rem;
  color: var(--yellow);
  margin-bottom: 14px;
  display: block;
}
.creative-type-card h3 { font-size: 0.95rem; color: var(--text-primary); margin-bottom: 8px; }
.creative-type-card p { font-size: 0.82rem; color: var(--text-secondary); line-height: 1.6; }

.creative-flow { text-align: center; }
.creative-flow .section-title { text-align: center; margin-bottom: 40px; }
.flow-steps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
}
.flow-step {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  text-align: center;
  min-width: 130px;
}
.flow-step-num {
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--blue);
  line-height: 1;
  margin-bottom: 8px;
}
.flow-step-title { font-size: 0.9rem; font-weight: 600; color: var(--text-primary); margin-bottom: 6px; }
.flow-step-desc { font-size: 0.72rem; color: var(--text-secondary); }
.flow-arrow { color: var(--text-muted); font-size: 1.1rem; }

/* ===================================================
   ALPHA PAGE
   =================================================== */
.alpha-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}
.alpha-benefits h2 { font-size: 1.8rem; margin-bottom: 32px; }
.alpha-benefit-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 28px;
}
.alpha-benefit-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(0,212,255,0.1);
  color: var(--neon-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
  border: 1px solid rgba(0,212,255,0.2);
}
.alpha-benefit-item h4 { font-size: 0.95rem; color: var(--text-primary); margin-bottom: 6px; }
.alpha-benefit-item p { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.6; }

.alpha-form-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-card);
}
.alpha-form-card h3 { font-size: 1.4rem; margin-bottom: 10px; }
.alpha-form-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
  line-height: 1.7;
}

/* Form styles */
.alpha-form { display: flex; flex-direction: column; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-group label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-primary);
}
.req { color: var(--pink); }
.form-group input,
.form-group select,
.form-group textarea {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 11px 14px;
  font-size: 0.875rem;
  color: var(--text-primary);
  font-family: inherit;
  transition: var(--transition);
  outline: none;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-muted); }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(77,148,255,0.12);
}
.form-group select option { background: var(--bg-secondary); color: var(--text-primary); }
.checkbox-group { display: flex; flex-direction: column; gap: 8px; }
.checkbox-label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.875rem;
  color: var(--text-secondary);
  cursor: pointer;
}
.checkbox-label input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--blue);
  cursor: pointer;
}

.alpha-direct {
  margin-top: 16px;
  text-align: center;
}
.alpha-direct p {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}

/* ===================================================
   FAQ PAGE
   =================================================== */
.faq-list { display: flex; flex-direction: column; gap: 40px; margin-bottom: 60px; }
.faq-category {}
.faq-cat-title {
  font-size: 1rem;
  color: var(--blue);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
  letter-spacing: 0.03em;
}
.faq-item {
  border-bottom: 1px solid var(--border);
}
.faq-q {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  cursor: pointer;
  padding: 18px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  font-family: inherit;
  transition: var(--transition);
}
.faq-q:hover { color: var(--blue); }
.faq-q i { color: var(--text-muted); transition: var(--transition); flex-shrink: 0; }
.faq-q.open i { transform: rotate(180deg); color: var(--blue); }
.faq-a {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.8;
  padding-bottom: 18px;
  display: none;
}
.faq-a.open { display: block; }
.faq-contact { text-align: center; }
.faq-contact p { font-size: 0.9rem; color: var(--text-secondary); margin-bottom: 16px; }

/* ===================================================
   FOOTER
   =================================================== */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 64px 0 0;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 60px;
  margin-bottom: 48px;
}
.footer-brand {}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  font-size: 1.2rem;
  margin-bottom: 12px;
}
.footer-tagline {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 20px;
}
.footer-social { display: flex; gap: 10px; }
.social-link {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  font-size: 0.9rem;
}
.social-link:hover { color: var(--blue); border-color: var(--border-glow); }

.footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.footer-col h4 {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 16px;
}
.footer-col a {
  display: block;
  font-size: 0.85rem;
  color: var(--text-secondary);
  padding: 4px 0;
  transition: var(--transition);
}
.footer-col a:hover { color: var(--text-primary); }

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom p { font-size: 0.8rem; color: var(--text-muted); }
.footer-bottom-links { display: flex; gap: 20px; }
.footer-bottom-links a {
  font-size: 0.8rem;
  color: var(--text-muted);
  transition: var(--transition);
}
.footer-bottom-links a:hover { color: var(--text-secondary); }

/* ===================================================
   UTILITIES
   =================================================== */
.sp-only { display: none; }
.pc-only { display: block; }

/* ===================================================
   RESPONSIVE
   =================================================== */
@media (max-width: 1100px) {
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-content { order: 1; }
  .hero-mockup { order: 2; max-width: 560px; margin: 0 auto; }
  .ai-showcase { grid-template-columns: 1fr; }
  .highlight-grid { grid-template-columns: 1fr; gap: 48px; }
  .highlight-grid.reverse { direction: ltr; }
  .alpha-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 40px; }
  .footer-links { grid-template-columns: repeat(3, 1fr); }
  .chat-demo-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .section { padding: 64px 0; }
  .nav-links { display: none; position: fixed; top: 64px; left: 0; right: 0; background: rgba(8,12,20,0.97); border-bottom: 1px solid var(--border); flex-direction: column; padding: 16px 24px; gap: 0; z-index: 999; }
  .nav-links.open { display: flex; }
  .nav-link { padding: 12px 8px; border-bottom: 1px solid rgba(255,255,255,0.04); }
  .nav-cta { display: none; }
  .nav-hamburger { display: flex; }

  .hero-cta { flex-direction: column; }
  .hero-cta .btn { width: 100%; justify-content: center; }

  .features-overview { grid-template-columns: 1fr 1fr; }
  .target-grid { grid-template-columns: 1fr; }
  .security-grid { grid-template-columns: 1fr 1fr; }
  .footer-links { grid-template-columns: 1fr 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .ai-detail-grid { grid-template-columns: 1fr; }
  .mock-grid { grid-template-columns: 1fr; }
  .flow-steps { gap: 4px; }
  .flow-arrow { display: none; }
  .sp-only { display: block; }
  .cta-buttons { flex-direction: column; align-items: center; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .features-overview { grid-template-columns: 1fr; }
  .security-grid { grid-template-columns: 1fr; }
  .footer-links { grid-template-columns: 1fr; }
  .alpha-form-card { padding: 24px 16px; }
  .chat-demo-grid { grid-template-columns: 1fr; }
  .integration-big-grid { grid-template-columns: repeat(3, 1fr); }
  .finance-features,
  .health-features,
  .team-features { grid-template-columns: 1fr; }
}