/* ═══════════════════════════════════════════════════
   KT · kennytan.net · Design System + Components
   v2.0 — Dark OLED · Monochrome + Blue · UIUX Pro Max
   Fonts: Archivo (display) + Space Grotesk (body)
   ═══════════════════════════════════════════════════ */

/* ── Google Fonts ── */
@import url('https://fonts.googleapis.com/css2?family=Archivo:wght@400;500;600;700&family=Space+Grotesk:wght@300;400;500;600;700&display=swap');

/* ── Design Tokens ── */
:root {
  /* Palette — Monochrome + Blue Accent (UIUX Pro Max output) */
  --color-primary: #18181B;
  --color-secondary: #3F3F46;
  --color-accent: #2563EB;
  --color-accent-hover: #3B82F6;
  --color-accent-glow: rgba(37, 99, 235, 0.25);
  --color-accent-subtle: rgba(37, 99, 235, 0.08);
  --color-green: #22C55E;
  --color-green-glow: rgba(34, 197, 94, 0.4);

  /* Surfaces */
  --bg-page: #09090B;
  --bg-surface: #18181B;
  --bg-glass: rgba(255, 255, 255, 0.04);
  --bg-glass-hover: rgba(255, 255, 255, 0.07);
  --bg-elevated: rgba(24, 24, 27, 0.85);

  /* Borders */
  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-default: rgba(255, 255, 255, 0.10);
  --border-hover: rgba(255, 255, 255, 0.16);

  /* Text */
  --text-primary: #FAFAFA;
  --text-secondary: #A1A1AA;
  --text-muted: #71717A;
  --text-inverse: #09090B;

  /* Typography */
  --font-display: 'Archivo', system-ui, sans-serif;
  --font-body: 'Space Grotesk', system-ui, sans-serif;

  /* Motion */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --duration-fast: 150ms;
  --duration-base: 220ms;
  --duration-slow: 400ms;

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-pill: 100px;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  /* Layout */
  --max-width: 1140px;
  --nav-height: 56px;

  /* Focus */
  --focus-ring: 0 0 0 2px var(--bg-page), 0 0 0 4px var(--color-accent);
}

/* ── Light Mode ── */
[data-theme="light"] {
  --bg-page: #FAFAFA;
  --bg-surface: #FFFFFF;
  --bg-glass: rgba(0, 0, 0, 0.03);
  --bg-glass-hover: rgba(0, 0, 0, 0.06);
  --bg-elevated: rgba(255, 255, 255, 0.9);
  --border-subtle: rgba(0, 0, 0, 0.06);
  --border-default: rgba(0, 0, 0, 0.10);
  --border-hover: rgba(0, 0, 0, 0.16);
  --text-primary: #09090B;
  --text-secondary: #52525B;
  --text-muted: #71717A;
  --text-inverse: #FAFAFA;
  --color-accent: #2563EB;
  --color-accent-hover: #1D4ED8;
  --color-accent-glow: rgba(37, 99, 235, 0.15);
  --color-accent-subtle: rgba(37, 99, 235, 0.06);
  --color-green: #16A34A;
  --focus-ring: 0 0 0 2px var(--bg-page), 0 0 0 4px var(--color-accent);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  color: var(--text-secondary);
  background: var(--bg-page);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: inherit;
  text-decoration: none;
  cursor: pointer;
}

button {
  font-family: inherit;
  border: none;
  cursor: pointer;
  background: none;
  color: inherit;
}

ul,
ol {
  list-style: none;
}

img {
  max-width: 100%;
  display: block;
}

/* ── Focus States (a11y) ── */
:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
  border-radius: var(--radius-sm);
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

/* ── Aurora Mesh Background ── */
.aurora-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

.aurora-bg::before,
.aurora-bg::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  filter: blur(140px);
  opacity: 0.18;
  animation: auroraDrift 18s ease-in-out infinite alternate;
}

.aurora-bg::before {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--color-accent), transparent 70%);
  top: -10%;
  right: -5%;
}

.aurora-bg::after {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, var(--color-secondary), transparent 70%);
  bottom: -15%;
  left: -5%;
  animation-delay: -7s;
}

.aurora-orb {
  position: absolute;
  width: 350px;
  height: 350px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.1;
  background: radial-gradient(circle, var(--color-accent), transparent 70%);
  top: 40%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation: auroraDrift 22s ease-in-out infinite alternate-reverse;
}

@keyframes auroraDrift {
  0% {
    transform: translate(0, 0) scale(1);
  }

  33% {
    transform: translate(30px, -20px) scale(1.05);
  }

  66% {
    transform: translate(-20px, 15px) scale(0.95);
  }

  100% {
    transform: translate(10px, -10px) scale(1.02);
  }
}

/* ── Container ── */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

/* ── Glass Utility ── */
.glass {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-subtle);
}

/* ═══════════════════
   NAVBAR
   ═══════════════════ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-glass);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border-subtle);
  transition: box-shadow var(--duration-base) var(--ease);
}

.navbar.scrolled {
  box-shadow: 0 1px 12px rgba(0, 0, 0, 0.2);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--max-width);
  padding: 0 var(--space-xl);
}

.nav-logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-primary);
  letter-spacing: -0.5px;
  cursor: pointer;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.nav-link {
  position: relative;
  padding: 6px var(--space-md);
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  transition: color var(--duration-fast) var(--ease), background var(--duration-fast) var(--ease);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-link:hover {
  color: var(--text-primary);
  background: var(--bg-glass-hover);
}

.nav-link.active {
  color: var(--color-accent);
}

.nav-link--cta {
  background: var(--color-accent);
  color: var(--text-inverse) !important;
  font-weight: 600;
  padding: 6px var(--space-lg);
  border-radius: var(--radius-sm);
  margin-left: var(--space-sm);
  transition: background var(--duration-fast) var(--ease), box-shadow var(--duration-fast) var(--ease);
}

.nav-link--cta:hover {
  background: var(--color-accent-hover);
  box-shadow: 0 2px 12px var(--color-accent-glow);
}

.nav-right {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.nav-theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  transition: color var(--duration-fast) var(--ease), background var(--duration-fast) var(--ease);
  cursor: pointer;
}

.nav-theme-toggle:hover {
  color: var(--text-primary);
  background: var(--bg-glass-hover);
}

.nav-theme-toggle svg {
  width: 18px;
  height: 18px;
}

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
}

.nav-hamburger span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform var(--duration-fast) var(--ease), opacity var(--duration-fast) var(--ease);
}

.nav-hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-hamburger.open span:nth-child(2) {
  opacity: 0;
}

.nav-hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ═══════════════════
   HERO SECTION
   ═══════════════════ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: calc(var(--nav-height) + var(--space-3xl)) var(--space-xl) var(--space-3xl);
}

.hero-inner {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

/* Left column — text content */
.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

/* Status badge */
.hero-status {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 6px var(--space-md);
  border-radius: var(--radius-pill);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: var(--space-lg);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-green);
  box-shadow: 0 0 8px var(--color-green-glow);
  animation: statusPulse 2s ease-in-out infinite;
}

@keyframes statusPulse {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.5;
  }
}

.status-sep {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--text-muted);
  opacity: 0.4;
}

/* Name */
.hero-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.4rem, 5vw, 3.5rem);
  color: var(--text-primary);
  line-height: 1.1;
  letter-spacing: -1.5px;
  margin-bottom: var(--space-sm);
}

/* Title */
.hero-title {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-xs);
  font-weight: 400;
}

/* Badge */
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--color-accent);
  border: 1px solid rgba(37, 99, 235, 0.2);
  background: var(--color-accent-subtle);
  margin-bottom: var(--space-2xl);
}

/* CTA */
.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 10px var(--space-xl);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-inverse);
  background: var(--color-accent);
  transition: background var(--duration-fast) var(--ease), box-shadow var(--duration-fast) var(--ease), transform var(--duration-fast) var(--ease);
  margin-bottom: var(--space-2xl);
  cursor: pointer;
}

.hero-cta:hover {
  background: var(--color-accent-hover);
  box-shadow: 0 4px 20px var(--color-accent-glow);
  transform: translateY(-1px);
}

.hero-cta:active {
  transform: translateY(0);
}

.hero-cta svg {
  width: 16px;
  height: 16px;
}

/* AI Input */
.hero-ai-bar {
  width: 100%;
  max-width: 440px;
  position: relative;
}

.hero-ai-input {
  width: 100%;
  padding: 12px var(--space-lg);
  padding-right: 48px;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 0.88rem;
  color: var(--text-primary);
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-default);
  outline: none;
  transition: border-color var(--duration-fast) var(--ease), box-shadow var(--duration-fast) var(--ease);
  cursor: text;
}

.hero-ai-input::placeholder {
  color: var(--text-muted);
}

.hero-ai-input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-subtle);
}

.hero-ai-submit {
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-inverse);
  background: var(--color-accent);
  transition: background var(--duration-fast) var(--ease);
  cursor: pointer;
}

.hero-ai-submit:hover {
  background: var(--color-accent-hover);
}

.hero-ai-submit svg {
  width: 16px;
  height: 16px;
}

/* Right column — metrics */
.hero-metrics {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

.metric-card {
  padding: var(--space-lg) var(--space-xl);
  border-radius: var(--radius-lg);
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  transition: border-color var(--duration-base) var(--ease), box-shadow var(--duration-base) var(--ease);
}

.metric-card:hover {
  border-color: var(--border-hover);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.metric-value {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 2rem;
  color: var(--text-primary);
  line-height: 1.2;
  margin-bottom: 4px;
}

.metric-value .unit {
  font-size: 0.65em;
  color: var(--color-accent);
}

.metric-label {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-weight: 400;
}

/* ═══════════════════
   DIVIDER
   ═══════════════════ */
.divider {
  height: 1px;
  max-width: 500px;
  margin: 0 auto;
  background: linear-gradient(90deg, transparent, var(--border-default), transparent);
}

/* ═══════════════════
   INFO CARDS
   ═══════════════════ */
.cards-section {
  padding: var(--space-4xl) var(--space-xl);
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  max-width: var(--max-width);
  margin: 0 auto;
}

.card {
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  transition: transform var(--duration-base) var(--ease), border-color var(--duration-base) var(--ease), box-shadow var(--duration-base) var(--ease);
  cursor: pointer;
}

.card:hover {
  transform: translateY(-3px);
  border-color: var(--border-hover);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
}

.card-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-subtle);
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}

.card-icon svg {
  width: 20px;
  height: 20px;
}

.card-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
}

.card-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.card-list-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.card-list-item svg {
  width: 14px;
  height: 14px;
  color: var(--color-accent);
  flex-shrink: 0;
}

/* Contact card links */
.card-contact-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 0;
  font-size: 0.88rem;
  color: var(--text-secondary);
  transition: color var(--duration-fast) var(--ease);
  cursor: pointer;
}

.card-contact-link:hover {
  color: var(--color-accent);
}

.card-contact-link svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* ═══════════════════
   INQUIRE MODAL
   ═══════════════════ */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--duration-base) var(--ease), visibility var(--duration-base) var(--ease);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  width: 90%;
  max-width: 480px;
  padding: var(--space-2xl);
  border-radius: var(--radius-xl);
  background: var(--bg-elevated);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--border-default);
  transform: translateY(16px) scale(0.98);
  transition: transform var(--duration-base) var(--ease);
}

.modal-overlay.active .modal {
  transform: translateY(0) scale(1);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-xl);
}

.modal-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--text-primary);
}

.modal-close {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: color var(--duration-fast) var(--ease), background var(--duration-fast) var(--ease);
  cursor: pointer;
}

.modal-close:hover {
  color: var(--text-primary);
  background: var(--bg-glass-hover);
}

.modal-close svg {
  width: 18px;
  height: 18px;
}

.modal-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-input,
.form-textarea {
  padding: 10px var(--space-md);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 0.88rem;
  color: var(--text-primary);
  background: var(--bg-glass);
  border: 1px solid var(--border-default);
  outline: none;
  transition: border-color var(--duration-fast) var(--ease), box-shadow var(--duration-fast) var(--ease);
}

.form-input:focus,
.form-textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-subtle);
}

.form-textarea {
  resize: vertical;
  min-height: 90px;
}

.form-consent {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  font-size: 0.78rem;
  color: var(--text-muted);
  cursor: pointer;
}

.form-consent input[type="checkbox"] {
  margin-top: 2px;
  accent-color: var(--color-accent);
  cursor: pointer;
}

.form-submit {
  padding: 10px var(--space-xl);
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-inverse);
  background: var(--color-accent);
  transition: background var(--duration-fast) var(--ease), box-shadow var(--duration-fast) var(--ease);
  align-self: flex-start;
  margin-top: var(--space-xs);
  cursor: pointer;
}

.form-submit:hover {
  background: var(--color-accent-hover);
  box-shadow: 0 2px 12px var(--color-accent-glow);
}

/* ═══════════════════
   CHATBOT FAB
   ═══════════════════ */
.chatbot-fab {
  position: fixed;
  bottom: var(--space-xl);
  right: var(--space-xl);
  z-index: 1500;
}

.chatbot-trigger {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent);
  color: var(--text-inverse);
  box-shadow: 0 4px 20px var(--color-accent-glow);
  position: relative;
  transition: transform var(--duration-fast) var(--ease), box-shadow var(--duration-fast) var(--ease);
  cursor: pointer;
}

.chatbot-trigger:hover {
  transform: scale(1.05);
  box-shadow: 0 6px 28px var(--color-accent-glow);
}

.chatbot-trigger svg {
  width: 22px;
  height: 22px;
}

.chatbot-dot {
  position: absolute;
  top: -2px;
  right: -2px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-green);
  border: 2px solid var(--bg-page);
  box-shadow: 0 0 6px var(--color-green-glow);
  animation: statusPulse 2s ease-in-out infinite;
}

.chatbot-label {
  position: absolute;
  right: calc(100% + var(--space-sm));
  top: 50%;
  transform: translateY(-50%);
  white-space: nowrap;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-green);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  opacity: 0;
  transition: opacity var(--duration-base) var(--ease);
  pointer-events: none;
}

.chatbot-trigger:hover~.chatbot-label,
.chatbot-label.visible {
  opacity: 1;
}

/* Chatbot Panel */
.chatbot-panel {
  position: absolute;
  bottom: calc(100% + var(--space-md));
  right: 0;
  width: 350px;
  max-height: 480px;
  border-radius: var(--radius-xl);
  background: var(--bg-elevated);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--border-default);
  box-shadow: 0 12px 48px rgba(0, 0, 0, 0.4);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px) scale(0.96);
  transition: opacity var(--duration-base) var(--ease), visibility var(--duration-base) var(--ease), transform var(--duration-base) var(--ease);
}

.chatbot-panel.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.chatbot-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--border-subtle);
}

.chatbot-header-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.chatbot-close {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: color var(--duration-fast) var(--ease), background var(--duration-fast) var(--ease);
  cursor: pointer;
}

.chatbot-close:hover {
  color: var(--text-primary);
  background: var(--bg-glass-hover);
}

.chatbot-close svg {
  width: 16px;
  height: 16px;
}

/* Tabs */
.chatbot-tabs {
  display: flex;
  border-bottom: 1px solid var(--border-subtle);
}

.chatbot-tab {
  flex: 1;
  padding: 10px var(--space-md);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-muted);
  text-align: center;
  transition: color var(--duration-fast) var(--ease);
  border-bottom: 2px solid transparent;
  cursor: pointer;
}

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

.chatbot-tab:hover:not(.active) {
  color: var(--text-secondary);
}

/* Body */
.chatbot-body {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-md);
  scrollbar-width: thin;
  scrollbar-color: var(--border-subtle) transparent;
}

.chatbot-content {
  display: none;
}

.chatbot-content.active {
  display: block;
}

/* FAQ */
.faq-item {
  padding: 8px 0;
  border-bottom: 1px solid var(--border-subtle);
}

.faq-item:last-child {
  border-bottom: none;
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 4px 0;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-primary);
  text-align: left;
  transition: color var(--duration-fast) var(--ease);
  cursor: pointer;
}

.faq-question:hover {
  color: var(--color-accent);
}

.faq-chevron {
  transition: transform var(--duration-fast) var(--ease);
  color: var(--text-muted);
  flex-shrink: 0;
}

.faq-chevron svg {
  width: 14px;
  height: 14px;
}

.faq-item.open .faq-chevron {
  transform: rotate(180deg);
}

.faq-answer {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.5;
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--duration-slow) var(--ease), padding var(--duration-slow) var(--ease);
}

.faq-item.open .faq-answer {
  max-height: 180px;
  padding-top: 6px;
  padding-bottom: 6px;
}

/* Chat Bubbles */
.chat-messages {
  min-height: 180px;
  max-height: 280px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
  scrollbar-width: thin;
  scrollbar-color: var(--border-subtle) transparent;
}

.chat-bubble {
  padding: 8px 12px;
  border-radius: var(--radius-md);
  font-size: 0.82rem;
  line-height: 1.5;
  max-width: 85%;
}

.chat-bubble--user {
  background: var(--color-accent);
  color: var(--text-inverse);
  align-self: flex-end;
  border-bottom-right-radius: 3px;
}

.chat-bubble--bot {
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  align-self: flex-start;
  border-bottom-left-radius: 3px;
}

/* Chat input */
.chatbot-input-bar {
  display: flex;
  gap: var(--space-xs);
  padding: 10px var(--space-md);
  border-top: 1px solid var(--border-subtle);
}

.chatbot-input {
  flex: 1;
  padding: 8px 12px;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 0.82rem;
  color: var(--text-primary);
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  outline: none;
  transition: border-color var(--duration-fast) var(--ease);
  cursor: text;
}

.chatbot-input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-subtle);
}

.chatbot-send {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent);
  color: var(--text-inverse);
  flex-shrink: 0;
  transition: background var(--duration-fast) var(--ease);
  cursor: pointer;
}

.chatbot-send:hover {
  background: var(--color-accent-hover);
}

.chatbot-send svg {
  width: 14px;
  height: 14px;
}

/* ═══════════════════
   FOOTER
   ═══════════════════ */
.footer {
  padding: var(--space-3xl) var(--space-xl) var(--space-xl);
  border-top: 1px solid var(--border-subtle);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  max-width: var(--max-width);
  margin: 0 auto;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-col--center {
  align-items: center;
  text-align: center;
}

.footer-col--right {
  align-items: flex-end;
  text-align: right;
}

.footer-heading {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.78rem;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}

.footer-text {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.footer-link {
  font-size: 0.78rem;
  color: var(--text-muted);
  transition: color var(--duration-fast) var(--ease);
  cursor: pointer;
}

.footer-link:hover {
  color: var(--color-accent);
}

.footer-contact-item {
  font-size: 0.78rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

/* ═══════════════════
   SCROLL REVEAL
   ═══════════════════ */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s var(--ease), transform 0.5s var(--ease);
}

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

.reveal-delay-1 {
  transition-delay: 80ms;
}

.reveal-delay-2 {
  transition-delay: 160ms;
}

.reveal-delay-3 {
  transition-delay: 240ms;
}

/* ═══════════════════
   prefers-reduced-motion
   ═══════════════════ */
@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ═══════════════════
   RESPONSIVE
   ═══════════════════ */

/* ≤ 1024px */
@media (max-width: 1024px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .hero-metrics {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
  }
}

/* ≤ 768px — Tablet */
@media (max-width: 768px) {
  .navbar-inner {
    padding: 0 var(--space-md);
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: 0;
    width: 260px;
    height: 100vh;
    flex-direction: column;
    align-items: flex-start;
    padding: calc(var(--nav-height) + var(--space-2xl)) var(--space-lg);
    gap: var(--space-xs);
    background: var(--bg-elevated);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-left: 1px solid var(--border-subtle);
    transform: translateX(100%);
    transition: transform var(--duration-base) var(--ease);
    z-index: 999;
  }

  .nav-links.open {
    transform: translateX(0);
  }

  .nav-link {
    width: 100%;
    padding: 10px var(--space-md);
    font-size: 0.92rem;
  }

  .nav-link--cta {
    margin-left: 0;
    margin-top: var(--space-sm);
    justify-content: center;
    display: flex;
  }

  .nav-hamburger {
    display: flex;
  }

  .cards-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .chatbot-panel {
    width: calc(100vw - var(--space-xl) * 2);
    right: 0;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
    text-align: center;
  }

  .footer-col--center,
  .footer-col--right {
    align-items: center;
    text-align: center;
  }
}

/* ≤ 480px — Phone */
@media (max-width: 480px) {
  :root {
    --space-xl: 1.25rem;
  }

  .hero-name {
    font-size: clamp(1.8rem, 9vw, 2.4rem);
  }

  .hero-metrics {
    grid-template-columns: 1fr;
  }

  .metric-card {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
  }

  .metric-value {
    margin-bottom: 0;
    min-width: 55px;
  }
}

/* ≥ 1440px — Large Desktop */
@media (min-width: 1440px) {
  :root {
    --max-width: 1280px;
  }
}

/* Nav overlay */
.nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 998;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--duration-base) var(--ease), visibility var(--duration-base) var(--ease);
}

.nav-overlay.open {
  opacity: 1;
  visibility: visible;
}