/* ── Chilo Legal — Landing Premium Design System ───────────────────────────── */
/* Dark-first theme with light mode override. Mobile-first, performant.        */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');

/* ── Tokens: dark is default ──────────────────────────────────────────────── */
:root {
  color-scheme: dark;

  /* Backgrounds */
  --bg-primary: #0a0f1c;
  --bg-secondary: #0d1321;
  --bg-tertiary: #111827;
  --bg-elevated: rgba(255, 255, 255, 0.03);

  /* Accents — plataforma estándar (mismo teal que app, login y registro) */
  --accent: #00BCE4;
  --accent-glow: rgba(0, 188, 228, 0.35);
  --accent-secondary: #00A6B2;
  --accent-secondary-glow: rgba(0, 166, 178, 0.35);
  --accent-gradient: linear-gradient(135deg, var(--accent) 0%, var(--accent-secondary) 100%);

  /* Text */
  --text-primary: #f0f4f8;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  /* Surfaces */
  --card-bg: rgba(255, 255, 255, 0.03);
  --card-border: rgba(255, 255, 255, 0.08);
  --card-border-hover: rgba(0, 212, 255, 0.35);
  --card-highlight: rgba(255, 255, 255, 0.06);

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 24px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 12px 48px rgba(0, 0, 0, 0.45);
  --shadow-glow: 0 0 40px var(--accent-glow);

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  /* Typography */
  --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Spacing */
  --section-pad-y: clamp(4.5rem, 10vw, 8rem);
  --container-pad-x: clamp(1rem, 5vw, 3rem);
  --container-max: 1200px;

  /* Motion */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --duration-fast: 150ms;
  --duration-base: 250ms;
  --duration-slow: 500ms;
}

/* ── Light theme override ─────────────────────────────────────────────────── */
html[data-theme='light'] {
  color-scheme: light;

  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f1f5f9;
  --bg-elevated: rgba(255, 255, 255, 0.85);

  /* Accents — cyan de la plataforma (mismo que modo oscuro) */
  --accent: #00BCE4;
  --accent-glow: rgba(0, 188, 228, 0.35);
  --accent-secondary: #00A6B2;
  --accent-secondary-glow: rgba(0, 166, 178, 0.35);

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;

  --card-bg: rgba(255, 255, 255, 0.72);
  --card-border: rgba(15, 23, 42, 0.08);
  --card-border-hover: rgba(0, 122, 140, 0.4);
  --card-highlight: rgba(255, 255, 255, 0.95);

  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 4px 24px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 12px 48px rgba(15, 23, 42, 0.12);
}

html[data-theme='light'] .gradient-text {
  background: linear-gradient(135deg, #00BCE4 0%, #0f172a 60%, #00A6B2 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
}

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

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

ul, ol {
  list-style: none;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* ── Utilities ─────────────────────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad-x);
}

.section {
  position: relative;
  padding-block: var(--section-pad-y);
}

.section-alt {
  background: var(--bg-secondary);
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  border: 1px solid var(--card-border);
  background: var(--card-bg);
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.section-title {
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  max-width: 640px;
  line-height: 1.7;
}

.section-header {
  max-width: 720px;
  margin-bottom: 3.5rem;
}

.gradient-text {
  background: linear-gradient(135deg, var(--accent) 0%, #ffffff 60%, var(--accent-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.glass {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
}

/* ── Noise texture overlay ─────────────────────────────────────────────────── */
.noise-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

/* ── Mesh gradient hero ────────────────────────────────────────────────────── */
.mesh-gradient {
  position: absolute;
  inset: 0;
  overflow: hidden;
  z-index: 0;
}

.mesh-gradient::before,
.mesh-gradient::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.55;
  animation: mesh-move 20s ease-in-out infinite alternate;
}

.mesh-gradient::before {
  width: 70vw;
  height: 70vw;
  top: -20%;
  right: -15%;
  background: radial-gradient(circle, var(--accent) 0%, transparent 60%);
  animation-delay: -5s;
}

.mesh-gradient::after {
  width: 60vw;
  height: 60vw;
  bottom: -20%;
  left: -10%;
  background: radial-gradient(circle, var(--accent-secondary) 0%, transparent 60%);
}

@keyframes mesh-move {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(-5%, 5%) scale(1.1); }
}

/* ── Spotlight cursor ───────────────────────────────────────────────────────── */
.spotlight {
  position: relative;
}

.spotlight::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  background: radial-gradient(
    800px circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
    rgba(0, 212, 255, 0.06),
    transparent 40%
  );
}

/* ── Buttons ───────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform var(--duration-fast) var(--ease-spring),
              box-shadow var(--duration-fast) ease,
              background var(--duration-fast) ease,
              border-color var(--duration-fast) ease;
  will-change: transform;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background: var(--accent);
  color: #0a0f1c;
  box-shadow: 0 0 0 0 var(--accent-glow);
}

.btn-primary:hover {
  box-shadow: 0 0 24px var(--accent-glow);
}

.btn-secondary {
  background: var(--card-bg);
  color: var(--text-primary);
  border: 1px solid var(--card-border);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  border-color: var(--card-border-hover);
  background: var(--card-highlight);
}

.btn-ghost {
  color: var(--text-secondary);
}

.btn-ghost:hover {
  color: var(--accent);
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.05rem;
  border-radius: var(--radius-lg);
}

/* Shimmer effect for primary CTA */
.btn-shimmer {
  position: relative;
  overflow: hidden;
}

.btn-shimmer::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    110deg,
    transparent 30%,
    rgba(255, 255, 255, 0.25) 50%,
    transparent 70%
  );
  transform: translateX(-120%);
  animation: shimmer 4s ease-in-out infinite;
}

@keyframes shimmer {
  0%, 80%, 100% { transform: translateX(-120%); }
  90% { transform: translateX(120%); }
}

/* ── Navbar ────────────────────────────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding-block: 1rem;
  transition: background var(--duration-base) ease,
              border-color var(--duration-base) ease,
              padding var(--duration-base) ease;
}

.navbar.scrolled {
  padding-block: 0.65rem;
  background: rgba(10, 15, 28, 0.82);
  border-bottom: 1px solid var(--card-border);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
}

html[data-theme='light'] .navbar.scrolled {
  background: rgba(248, 250, 252, 0.9);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-primary);
  white-space: nowrap;
}

.navbar-brand img {
  height: 26px;
  width: auto;
}

.navbar-brand span {
  font-weight: 500;
  color: var(--text-secondary);
}

.navbar-nav {
  display: none;
  align-items: center;
  gap: 0;
}

.nav-link {
  padding: 0.45rem 0.65rem;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  white-space: nowrap;
  transition: color var(--duration-fast) ease,
              background var(--duration-fast) ease;
}

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

.navbar-actions {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  transition: color var(--duration-fast) ease,
              background var(--duration-fast) ease;
}

.theme-toggle:hover {
  color: var(--text-primary);
  background: var(--card-highlight);
}

.mobile-menu-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  color: var(--text-primary);
}

/* ── Mobile nav ───────────────────────────────────────────────────────────── */
.mobile-nav {
  position: fixed;
  inset: 0;
  top: 64px;
  z-index: 999;
  background: var(--bg-primary);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-10px);
  transition: opacity var(--duration-base) ease,
              transform var(--duration-base) ease;
}

.mobile-nav.open {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.mobile-nav .nav-link {
  padding: 1rem;
  font-size: 1.1rem;
  border-bottom: 1px solid var(--card-border);
}

.mobile-nav .btn {
  margin-top: 1rem;
  justify-content: center;
}

/* ── Trust bar ─────────────────────────────────────────────────────────────── */
.trust-bar {
  position: relative;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.75rem 1.5rem;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--card-border);
  background: var(--bg-secondary);
  color: var(--text-secondary);
  font-size: 0.78rem;
  font-weight: 500;
}

.trust-bar span {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.trust-bar svg {
  width: 14px;
  height: 14px;
  color: var(--accent);
}

/* ── Hero ──────────────────────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: 120px;
  padding-bottom: 4rem;
  overflow: hidden;
}

/* Video background — fixed behind the whole page, switches with theme */
.hero-video-bg {
  position: fixed; inset: 0;
  width: 100vw; height: 100vh;
  object-fit: cover;
  z-index: -1;
  pointer-events: none;
  opacity: 0.18;
}
html[data-theme="dark"] .hero-video-bg { opacity: 0.3; }
@media (prefers-reduced-motion: reduce) { .hero-video-bg { display: none; } }

.hero .mesh-gradient {
  opacity: 0.6;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: clamp(2.5rem, 7vw, 4.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.04em;
  margin-bottom: 1.25rem;
}

.hero-title .word {
  display: inline-block;
  opacity: 0;
  transform: translateY(20px);
  animation: fade-up 0.6s var(--ease-out) forwards;
}

.hero-title .word:nth-child(1) { animation-delay: 0.1s; }
.hero-title .word:nth-child(2) { animation-delay: 0.18s; }
.hero-title .word:nth-child(3) { animation-delay: 0.26s; }
.hero-title .word:nth-child(4) { animation-delay: 0.34s; }
.hero-title .word:nth-child(5) { animation-delay: 0.42s; }
.hero-title .word:nth-child(6) { animation-delay: 0.50s; }

@keyframes fade-up {
  to { opacity: 1; transform: translateY(0); }
}

.hero-lead {
  font-size: clamp(1.05rem, 2.2vw, 1.35rem);
  color: var(--text-secondary);
  max-width: 560px;
  margin-bottom: 2rem;
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.hero-note {
  font-size: 0.8rem;
  color: var(--text-muted);
  max-width: 420px;
  line-height: 1.5;
}

.hero-note strong {
  color: var(--text-secondary);
}

.hero-disclaimer {
  margin-top: 2rem;
  padding: 1rem 1.25rem;
  border-left: 3px solid var(--accent);
  background: var(--card-bg);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-size: 0.8rem;
  color: var(--text-secondary);
  max-width: 540px;
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  perspective: 1000px;
}

.hero-visual-inner {
  position: relative;
  z-index: 2;
  transform-style: preserve-3d;
  transition: transform 0.15s ease-out;
  will-change: transform;
}

.hero-visual img {
  position: relative;
  z-index: 2;
  max-height: min(420px, 55vh);
  width: auto;
  filter: drop-shadow(0 0 40px var(--accent-glow));
  animation: float 6s ease-in-out infinite;
  transform: translateZ(40px);
}

.hero-visual::before {
  content: '';
  position: absolute;
  width: 80%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  filter: blur(40px);
  animation: pulse-glow 4s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-16px); }
}

@keyframes pulse-glow {
  0%, 100% { opacity: 0.5; transform: scale(1); }
  50% { opacity: 0.8; transform: scale(1.1); }
}

.social-proof {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  margin-top: 2rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.social-proof strong {
  color: var(--text-primary);
}

/* ── Features ──────────────────────────────────────────────────────────────── */
.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.feature-card {
  padding: 2rem;
  border-radius: var(--radius-lg);
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  transition: transform var(--duration-base) var(--ease-out),
              border-color var(--duration-base) ease,
              background var(--duration-base) ease,
              box-shadow var(--duration-base) ease;
  will-change: transform;
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--card-border-hover);
  background: var(--card-highlight);
  box-shadow: var(--shadow-md);
}

.feature-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: rgba(0, 212, 255, 0.1);
  color: var(--accent);
  margin-bottom: 1.25rem;
}

.feature-icon svg {
  width: 24px;
  height: 24px;
}

.feature-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
  color: var(--text-primary);
}

.feature-card p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ── How it works ──────────────────────────────────────────────────────────── */
.steps {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.steps-connector {
  display: none;
  position: absolute;
  top: 60px;
  left: 16.66%;
  right: 16.66%;
  height: 2px;
}

.steps-connector svg {
  width: 100%;
  height: 100%;
  overflow: visible;
}

.steps-connector line {
  stroke: var(--card-border-hover);
  stroke-width: 2;
}

.step {
  position: relative;
  text-align: center;
}

.step-number {
  font-family: var(--font-mono);
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px var(--card-border-hover);
  margin-bottom: 1rem;
  transition: color var(--duration-base) ease,
              -webkit-text-stroke var(--duration-base) ease;
}

.step.in-view .step-number {
  color: var(--accent);
  -webkit-text-stroke: 1px var(--accent);
}

.step h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
}

.step p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.65;
}

/* ── Demo ──────────────────────────────────────────────────────────────────── */
.demo-panel {
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.demo-panel::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 50% 50%, var(--accent-glow), transparent 40%);
  opacity: 0.3;
  pointer-events: none;
}

.demo-window {
  position: relative;
  z-index: 2;
  border-radius: var(--radius-lg);
  background: var(--bg-secondary);
  border: 1px solid var(--card-border);
  overflow: hidden;
}

.demo-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--card-border);
}

.demo-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.demo-dot:nth-child(1) { background: #ef4444; }
.demo-dot:nth-child(2) { background: #f59e0b; }
.demo-dot:nth-child(3) { background: #22c55e; }

.demo-title {
  margin-left: 0.5rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.demo-chat {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  min-height: 220px;
}

.demo-message {
  max-width: 80%;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  line-height: 1.55;
  animation: message-in 0.4s var(--ease-out) forwards;
  opacity: 0;
  transform: translateY(10px);
}

.demo-message.user {
  align-self: flex-end;
  background: var(--accent);
  color: #0a0f1c;
  border-bottom-right-radius: 4px;
}

.demo-message.assistant {
  align-self: flex-start;
  background: var(--card-highlight);
  color: var(--text-primary);
  border: 1px solid var(--card-border);
  border-bottom-left-radius: 4px;
}

@keyframes message-in {
  to { opacity: 1; transform: translateY(0); }
}

.demo-typing {
  display: flex;
  gap: 4px;
  padding: 0.5rem 0;
}

.demo-typing span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-muted);
  animation: typing 1.2s ease-in-out infinite;
}

.demo-typing span:nth-child(2) { animation-delay: 0.15s; }
.demo-typing span:nth-child(3) { animation-delay: 0.3s; }

@keyframes typing {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
  30% { transform: translateY(-4px); opacity: 1; }
}

/* ── Security ──────────────────────────────────────────────────────────────── */
.security-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}

.security-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 280px;
}

.shield {
  width: 180px;
  height: 200px;
  position: relative;
}

.shield svg {
  width: 100%;
  height: 100%;
  filter: drop-shadow(0 0 30px var(--accent-glow));
}

.shield-ring {
  position: absolute;
  inset: -20%;
  border: 1px solid var(--card-border);
  border-radius: 50%;
  opacity: 0.5;
  animation: ring-pulse 4s ease-in-out infinite;
}

.shield-ring:nth-child(2) {
  inset: -35%;
  animation-delay: -1.5s;
  opacity: 0.3;
}

@keyframes ring-pulse {
  0%, 100% { transform: scale(1); opacity: 0.5; }
  50% { transform: scale(1.05); opacity: 0.3; }
}

.security-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.security-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  padding: 1rem;
  border-radius: var(--radius-md);
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  transition: border-color var(--duration-fast) ease,
              background var(--duration-fast) ease;
}

.security-list li:hover {
  border-color: var(--card-border-hover);
  background: var(--card-highlight);
}

.security-list svg {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  color: var(--accent);
  margin-top: 2px;
}

.security-list span {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.55;
}

/* ── Pricing ─────────────────────────────────────────────────────────────────── */
.pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.pricing-card {
  position: relative;
  padding: 2rem;
  border-radius: var(--radius-lg);
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  transition: transform var(--duration-base) var(--ease-out),
              border-color var(--duration-base) ease,
              box-shadow var(--duration-base) ease;
  will-change: transform;
}

.pricing-card:hover {
  transform: translateY(-6px);
  border-color: var(--card-border-hover);
  box-shadow: var(--shadow-md);
}

.pricing-card.popular {
  border-color: var(--card-border-hover);
  box-shadow: 0 0 40px var(--accent-glow), var(--shadow-lg);
}

.pricing-card.popular::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: var(--radius-lg);
  padding: 1px;
  background: var(--accent-gradient);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.popular-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  background: var(--accent-gradient);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  box-shadow: 0 0 16px var(--accent-glow);
  animation: badge-pulse 2s ease-in-out infinite;
}

@keyframes badge-pulse {
  0%, 100% { box-shadow: 0 0 16px var(--accent-glow); }
  50% { box-shadow: 0 0 24px var(--accent-glow); }
}

.pricing-card h3 {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
}

.pricing-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
}

.pricing-price {
  display: flex;
  align-items: baseline;
  gap: 0.35rem;
  margin-bottom: 1.5rem;
}

.pricing-price .amount {
  font-size: 2.75rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.pricing-price .period {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.pricing-features {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1.75rem;
}

.pricing-features li {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.pricing-features svg {
  width: 18px;
  height: 18px;
  color: var(--accent);
  flex-shrink: 0;
}

.pricing-card .btn {
  width: 100%;
}

.pricing-note {
  text-align: center;
  margin-top: 2rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ── FAQ ───────────────────────────────────────────────────────────────────── */
.faq-list {
  max-width: 800px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.faq-item {
  border-radius: var(--radius-lg);
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  overflow: hidden;
  transition: border-color var(--duration-fast) ease;
}

.faq-item:hover {
  border-color: var(--card-border-hover);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem;
  text-align: left;
  font-weight: 600;
  font-size: 1rem;
  color: var(--text-primary);
}

.faq-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  color: var(--accent);
  transition: transform var(--duration-base) var(--ease-spring);
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--duration-base) var(--ease-out);
}

.faq-item.open .faq-answer {
  grid-template-rows: 1fr;
}

.faq-answer-inner {
  overflow: hidden;
}

.faq-answer p {
  padding: 0 1.25rem 1.25rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.65;
  opacity: 0;
  transform: translateY(-8px);
  transition: opacity var(--duration-base) ease,
              transform var(--duration-base) ease;
}

.faq-item.open .faq-answer p {
  opacity: 1;
  transform: translateY(0);
}

/* ── Final CTA ─────────────────────────────────────────────────────────────── */
.final-cta {
  position: relative;
  overflow: hidden;
  text-align: center;
  padding-block: var(--section-pad-y);
  background: var(--bg-secondary);
}

.final-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 0%, var(--accent-glow) 0%, transparent 55%),
              radial-gradient(ellipse at 50% 100%, var(--accent-secondary-glow) 0%, transparent 50%);
  opacity: 0.25;
  pointer-events: none;
}

.final-cta .container {
  position: relative;
  z-index: 2;
}

.final-cta h2 {
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
}

.final-cta p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 560px;
  margin-inline: auto;
  margin-bottom: 2rem;
}

.final-cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

/* ── Footer ────────────────────────────────────────────────────────────────── */
.footer {
  padding-block: 3rem 2rem;
  border-top: 1px solid var(--card-border);
  background: var(--bg-primary);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-bottom: 2.5rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.footer-brand img {
  height: 24px;
  width: auto;
}

.footer-tagline {
  font-size: 0.9rem;
  color: var(--text-secondary);
  max-width: 280px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-links a {
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: color var(--duration-fast) ease;
}

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

.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--card-border);
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ── Floating demo widget ───────────────────────────────────────────────────── */
.demo-widget {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 998;
  width: min(360px, calc(100vw - 2rem));
  border-radius: var(--radius-lg);
  background: rgba(13, 19, 33, 0.92);
  border: 1px solid var(--card-border-hover);
  box-shadow: var(--shadow-lg), 0 0 30px var(--accent-glow);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  overflow: hidden;
  opacity: 0;
  transform: translateY(20px) scale(0.96);
  animation: widget-in 0.5s var(--ease-out) 1.5s forwards;
}

html[data-theme='light'] .demo-widget {
  background: rgba(255, 255, 255, 0.95);
}

@keyframes widget-in {
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.widget-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--card-border);
}

.widget-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 0.9rem;
}

.widget-title .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 8px #22c55e;
}

.widget-close {
  color: var(--text-muted);
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
}

.widget-close:hover {
  background: var(--card-highlight);
  color: var(--text-primary);
}

.widget-body {
  padding: 1rem;
  max-height: 260px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.widget-message {
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  line-height: 1.5;
  max-width: 85%;
}

.widget-message.bot {
  align-self: flex-start;
  background: var(--card-highlight);
  color: var(--text-primary);
  border: 1px solid var(--card-border);
  border-bottom-left-radius: 4px;
}

.widget-message.user {
  align-self: flex-end;
  background: var(--accent);
  color: #0a0f1c;
  border-bottom-right-radius: 4px;
}

.widget-input {
  display: flex;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  border-top: 1px solid var(--card-border);
}

.widget-input input {
  flex: 1;
  padding: 0.6rem 0.85rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--card-border);
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 0.85rem;
}

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

.widget-input input:focus {
  outline: none;
  border-color: var(--accent);
}

.widget-input button {
  padding: 0.6rem 0.9rem;
  border-radius: var(--radius-md);
  background: var(--accent);
  color: #0a0f1c;
  font-weight: 600;
  font-size: 0.85rem;
}

.widget-limit {
  padding: 0.75rem 1rem;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
  border-top: 1px solid var(--card-border);
}

.widget-limit a {
  color: var(--accent);
  font-weight: 600;
}

/* ── Cookie banner ─────────────────────────────────────────────────────────── */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1001;
  padding: 1rem;
  background: var(--bg-secondary);
  border-top: 1px solid var(--card-border);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.cookie-banner a {
  color: var(--accent);
  text-decoration: underline;
}

.cookie-banner button {
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  background: var(--accent);
  color: #0a0f1c;
  font-weight: 600;
}

/* ── Scroll reveal base ────────────────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s var(--ease-out),
              transform 0.6s var(--ease-out);
}

.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

/* ── Responsive ──────────────────────────────────────────────────────────────── */
@media (min-width: 640px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1.5fr 1fr;
  }
}

@media (min-width: 768px) {
  .navbar-nav {
    display: flex;
  }

  .mobile-menu-btn {
    display: none;
  }

  .hero-grid {
    grid-template-columns: 1.1fr 0.9fr;
  }

  .steps {
    grid-template-columns: repeat(3, 1fr);
  }

  .security-grid {
    grid-template-columns: 1fr 1.1fr;
  }

  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
  }
}

@media (min-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .pricing-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .pricing-card.popular {
    transform: scale(1.02);
  }

  .pricing-card.popular:hover {
    transform: scale(1.02) translateY(-6px);
  }

  .steps-connector {
    display: block;
  }
}

/* ── Reduced motion ────────────────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

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