/* ============================================
   CISOAIA — Design System & Styles
   Brand: Dark cybersecurity, Swiss precision
   ============================================ */

/* --- Custom Properties --- */
:root {
  /* Brand Colors (NON-NEGOTIABLE) */
  --bg: #020617;
  --surface: #0f172a;
  --surface-light: #1e293b;
  --border: #334155;
  --text: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent: #06b6d4;
  --accent-hover: #22d3ee;
  --accent-dark: #0891b2;
  --success: #10b981;

  /* Typography */
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Easing */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in: cubic-bezier(0.4, 0, 1, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 20px rgba(6, 182, 212, 0.15);

  /* Layout */
  --max-width: 1200px;
  --max-width-narrow: 800px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  font-size: 16px;
}

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

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

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition-interactive);
}
a:hover { color: var(--accent-hover); }

ul, ol { list-style: none; }

/* --- Skip Link --- */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  padding: var(--space-2) var(--space-4);
  background: var(--accent);
  color: var(--bg);
  font-weight: 600;
  border-radius: 4px;
  z-index: 1000;
  transition: top 0.2s var(--ease-out);
}
.skip-link:focus {
  top: var(--space-4);
}

/* --- Container --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.container--narrow {
  max-width: var(--max-width-narrow);
}

/* --- Header --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: var(--space-4) 0;
  transition: background 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out), padding 0.3s var(--ease-out);
}

.header--scrolled {
  background: rgba(2, 6, 23, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 rgba(51, 65, 85, 0.3);
  padding: var(--space-3) 0;
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.header__logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.header__logo svg {
  height: 36px;
  width: auto;
}

.header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.header__nav-links {
  display: flex;
  gap: var(--space-6);
}

.header__nav-link {
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  transition: color var(--transition-interactive);
}
.header__nav-link:hover { color: var(--text); }

.header__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-5);
  background: var(--accent);
  color: var(--bg);
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: background var(--transition-interactive), transform var(--transition-interactive);
}
.header__cta:hover {
  background: var(--accent-hover);
  color: var(--bg);
  transform: translateY(-1px);
}
.header__cta:active { transform: translateY(0); }

/* Mobile menu toggle */
.header__menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  cursor: pointer;
  padding: var(--space-2);
}

.header__menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: currentColor;
  margin: 5px 0;
  transition: transform 0.3s var(--ease-out), opacity 0.3s var(--ease-out);
}

.header__menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.header__menu-toggle.active span:nth-child(2) {
  opacity: 0;
}
.header__menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile nav overlay */
.mobile-nav {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(2, 6, 23, 0.98);
  backdrop-filter: blur(16px);
  z-index: 99;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
}

.mobile-nav.active {
  display: flex;
}

.mobile-nav a {
  color: var(--text);
  font-size: 1.25rem;
  font-weight: 500;
}

/* --- Hero Section --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: var(--space-32) var(--space-6) var(--space-16);
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__grid-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

/* Radial gradient overlay for depth */
.hero__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 40%, transparent 0%, var(--bg) 70%);
  z-index: 1;
}

.hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 780px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-4);
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.25);
  border-radius: 100px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--accent);
  margin-bottom: var(--space-8);
  letter-spacing: 0.02em;
}

.hero__badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero__title {
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.025em;
  margin-bottom: var(--space-6);
}

.hero__title-accent {
  color: var(--accent);
}

.hero__subtitle {
  font-size: clamp(1rem, 1.5vw, 1.25rem);
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 600px;
  margin: 0 auto var(--space-10);
  font-weight: 300;
}

.hero__ctas {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  transition: background var(--transition-interactive), transform var(--transition-interactive), box-shadow var(--transition-interactive);
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  background: var(--accent);
  color: var(--bg);
}
.btn--primary:hover {
  background: var(--accent-hover);
  color: var(--bg);
  box-shadow: 0 0 24px rgba(6, 182, 212, 0.25);
}

.btn--secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn--secondary:hover {
  border-color: var(--text-secondary);
  background: rgba(255,255,255,0.03);
  color: var(--text);
}

.hero__scroll-indicator {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  color: var(--text-muted);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* --- Section Base --- */
.section {
  padding: clamp(var(--space-16), 8vw, var(--space-32)) 0;
}

.section__label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-4);
}

.section__title {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-4);
}

.section__subtitle {
  font-size: clamp(0.9375rem, 1.2vw, 1.0625rem);
  color: var(--text-secondary);
  max-width: 600px;
  line-height: 1.6;
  font-weight: 300;
}

.section--centered {
  text-align: center;
}

.section--centered .section__subtitle {
  margin: 0 auto;
}

/* --- Products Section --- */
.products {
  position: relative;
}

.products__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-12);
}

.product-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: var(--space-8);
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive);
}

.product-card:hover {
  border-color: rgba(6, 182, 212, 0.3);
  box-shadow: var(--shadow-glow);
}

.product-card__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(6, 182, 212, 0.1);
  border-radius: 12px;
  margin-bottom: var(--space-5);
  color: var(--accent);
}

.product-card__title {
  font-size: 1.0625rem;
  font-weight: 600;
  margin-bottom: var(--space-2);
}

.product-card__desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* --- Product Showcase (CyRep App Mockup) --- */
.product-showcase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
  margin-top: var(--space-12);
  margin-bottom: var(--space-16);
}

.product-showcase__info {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.product-showcase__name {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.product-showcase__name span {
  color: var(--accent);
}

.product-showcase__desc {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.product-showcase__tags {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  background: rgba(6, 182, 212, 0.08);
  border: 1px solid rgba(6, 182, 212, 0.15);
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--accent);
}

/* Phone mockup */
.phone-mockup {
  position: relative;
  max-width: 300px;
  margin: 0 auto;
}

.phone-mockup__frame {
  background: #111827;
  border-radius: 36px;
  border: 3px solid #374151;
  padding: var(--space-3);
  box-shadow: 0 25px 50px rgba(0,0,0,0.5), inset 0 1px 0 rgba(255,255,255,0.05);
  position: relative;
}

.phone-mockup__notch {
  position: absolute;
  top: var(--space-3);
  left: 50%;
  transform: translateX(-50%);
  width: 120px;
  height: 28px;
  background: #111827;
  border-radius: 0 0 16px 16px;
  z-index: 5;
}

.phone-mockup__screen {
  background: var(--bg);
  border-radius: 28px;
  overflow: hidden;
  aspect-ratio: 9/19;
  display: flex;
  flex-direction: column;
}

.mockup-app {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: var(--space-6) var(--space-4) var(--space-4);
}

.mockup-app__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-8) 0 var(--space-4);
}

.mockup-app__title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text);
}

.mockup-app__streak {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-size: 0.6875rem;
  color: #f59e0b;
  font-weight: 600;
}

.mockup-app__progress {
  height: 4px;
  background: var(--surface-light);
  border-radius: 2px;
  margin-bottom: var(--space-4);
  overflow: hidden;
}

.mockup-app__progress-bar {
  height: 100%;
  width: 40%;
  background: linear-gradient(90deg, var(--accent), var(--accent-hover));
  border-radius: 2px;
}

.mockup-app__topic {
  font-size: 0.625rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-2);
}

.mockup-app__question {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text);
  line-height: 1.5;
  margin-bottom: var(--space-4);
}

.mockup-app__options {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  flex: 1;
}

.mockup-app__option {
  padding: var(--space-2) var(--space-3);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 0.6875rem;
  color: var(--text-secondary);
  cursor: default;
  transition: border-color var(--transition-interactive), background var(--transition-interactive);
}

.mockup-app__option--selected {
  border-color: var(--accent);
  background: rgba(6, 182, 212, 0.08);
  color: var(--text);
}

.mockup-app__option--correct {
  border-color: var(--success);
  background: rgba(16, 185, 129, 0.08);
  color: var(--success);
}

.mockup-app__footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-3);
  border-top: 1px solid var(--border);
  margin-top: auto;
}

.mockup-app__score {
  font-size: 0.625rem;
  color: var(--text-muted);
}

.mockup-app__score strong {
  color: var(--accent);
  font-weight: 600;
}

.mockup-app__level {
  display: inline-flex;
  padding: var(--space-1) var(--space-2);
  background: rgba(16, 185, 129, 0.1);
  border-radius: 4px;
  font-size: 0.5625rem;
  font-weight: 600;
  color: var(--success);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* --- How It Works --- */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
  margin-top: var(--space-12);
  position: relative;
}

.steps::before {
  content: '';
  position: absolute;
  top: 40px;
  left: calc(16.67% + 24px);
  right: calc(16.67% + 24px);
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--border), var(--accent));
  opacity: 0.4;
}

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

.step__number {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-6);
  background: rgba(6, 182, 212, 0.1);
  border: 2px solid rgba(6, 182, 212, 0.3);
  border-radius: 16px;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent);
  position: relative;
  z-index: 1;
}

.step__title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--space-2);
}

.step__desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* --- About Section --- */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
  margin-top: var(--space-12);
}

.about__visual {
  position: relative;
}

.about__pattern {
  width: 100%;
  aspect-ratio: 1;
  max-width: 400px;
  margin: 0 auto;
}

.about__content {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.about__text {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.about__text strong {
  color: var(--text);
  font-weight: 600;
}

.about__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-4);
}

.stat {
  text-align: center;
  padding: var(--space-4);
  background: var(--surface);
  border-radius: 12px;
  border: 1px solid var(--border);
}

.stat__number {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

.stat__label {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: var(--space-1);
}

/* --- Security Section --- */
.security__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-12);
}

.security-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: var(--space-8);
  display: flex;
  gap: var(--space-5);
}

.security-card__icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
}

.security-card__title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--space-2);
}

.security-card__desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* --- Roadmap --- */
.roadmap {
  position: relative;
  margin-top: var(--space-12);
}

.roadmap__timeline {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-10);
}

.roadmap__timeline::before {
  content: '';
  position: absolute;
  left: 24px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent), var(--border) 40%, var(--border));
}

.roadmap__item {
  display: flex;
  gap: var(--space-8);
  position: relative;
}

.roadmap__dot {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface);
  border: 2px solid var(--accent);
  border-radius: 50%;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
  position: relative;
  z-index: 1;
}

.roadmap__dot--future {
  border-color: var(--border);
  color: var(--text-muted);
}

.roadmap__content {
  flex: 1;
  padding-top: var(--space-2);
}

.roadmap__stage {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-1);
}

.roadmap__item-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--space-2);
}

.roadmap__desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.roadmap__tags {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-top: var(--space-3);
}

/* --- Founder Section --- */
.founder {
  position: relative;
}

.founder__card {
  display: flex;
  gap: var(--space-10);
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: var(--space-10);
  margin-top: var(--space-12);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.founder__avatar {
  flex-shrink: 0;
  width: 120px;
  height: 120px;
  border-radius: 20px;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(6,182,212,0.2), rgba(6,182,212,0.05));
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.founder__avatar-icon {
  color: var(--accent);
  opacity: 0.6;
}

/* Geometric avatar with grid motif */
.founder__avatar svg {
  width: 80px;
  height: 80px;
}

.founder__info {
  flex: 1;
}

.founder__name {
  font-size: 1.375rem;
  font-weight: 700;
  margin-bottom: var(--space-1);
}

.founder__title {
  font-size: 0.875rem;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: var(--space-4);
}

.founder__bio {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.founder__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-4);
  font-size: 0.875rem;
  color: var(--accent);
  font-weight: 500;
}

/* --- CTA / Waitlist --- */
.cta-section {
  position: relative;
  text-align: center;
  overflow: hidden;
}

.cta-section__inner {
  max-width: 600px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.cta-section__bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(6, 182, 212, 0.06) 0%, transparent 60%);
}

.waitlist-form {
  max-width: 480px;
  margin: var(--space-8) auto 0;
}

.waitlist-form__row {
  display: flex;
  gap: var(--space-3);
}

.waitlist-form__consent {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  margin-top: var(--space-3);
  font-size: 0.8125rem;
  color: var(--text-muted);
  cursor: pointer;
  transition: color 0.3s ease;
}

.waitlist-form__consent input[type="checkbox"] {
  margin-top: 2px;
  accent-color: var(--accent);
  cursor: pointer;
  flex-shrink: 0;
}

.waitlist-form__consent a {
  color: var(--accent);
  text-decoration: underline;
}

.waitlist-form__consent a:hover {
  color: var(--accent-hover);
}

.waitlist-form__input {
  flex: 1;
  padding: var(--space-3) var(--space-5);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  font-family: var(--font);
  font-size: 0.9375rem;
  outline: none;
  transition: border-color var(--transition-interactive);
}

.waitlist-form__input::placeholder {
  color: var(--text-muted);
}

.waitlist-form__input:focus {
  border-color: var(--accent);
}

.waitlist-form__submit {
  padding: var(--space-3) var(--space-6);
  background: var(--accent);
  color: var(--bg);
  font-family: var(--font);
  font-size: 0.9375rem;
  font-weight: 600;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  white-space: nowrap;
  transition: background var(--transition-interactive), transform var(--transition-interactive);
}

.waitlist-form__submit:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}
.waitlist-form__submit:active {
  transform: translateY(0);
}

.waitlist-form__note {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: var(--space-3);
}

/* --- Footer --- */
.footer {
  padding: var(--space-16) 0 var(--space-8);
  border-top: 1px solid var(--border);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

.footer__brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.footer__brand svg {
  height: 32px;
  width: auto;
}

.footer__desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
  max-width: 300px;
}

.footer__heading {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-4);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__link {
  font-size: 0.875rem;
  color: var(--text-muted);
  transition: color var(--transition-interactive);
}
.footer__link:hover { color: var(--text); }

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-8);
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer__copyright {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.footer__attribution {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.footer__attribution a {
  color: var(--text-muted);
  transition: color var(--transition-interactive);
}
.footer__attribution a:hover {
  color: var(--text-secondary);
}

/* --- Hero Pillars --- */
.hero__pillars {
  display: flex;
  gap: var(--space-8);
  justify-content: center;
  margin-bottom: var(--space-10);
  flex-wrap: wrap;
}

.hero__pillar {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--text-secondary);
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: 0.01em;
}

.hero__pillar svg {
  color: var(--accent);
  opacity: 0.8;
}

/* --- Vision Section --- */
.vision__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.vision__content {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.vision__text {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.vision__text strong {
  color: var(--text);
  font-weight: 600;
}

.vision__visual {
  position: relative;
}

/* --- Pillar Cards --- */
.pillars__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-12);
}

.pillar-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: var(--space-10) var(--space-8);
  text-align: left;
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive);
}

.pillar-card:hover {
  border-color: rgba(6, 182, 212, 0.3);
  box-shadow: var(--shadow-glow);
}

.pillar-card__icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  margin-bottom: var(--space-6);
}

.pillar-card__icon--speed {
  background: rgba(6, 182, 212, 0.1);
  color: var(--accent);
}

.pillar-card__icon--quality {
  background: rgba(16, 185, 129, 0.1);
  color: var(--success);
}

.pillar-card__icon--cost {
  background: rgba(139, 92, 246, 0.1);
  color: #8b5cf6;
}

.pillar-card__title {
  font-size: 1.375rem;
  font-weight: 700;
  margin-bottom: var(--space-4);
  letter-spacing: -0.01em;
}

.pillar-card__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  list-style: none;
}

.pillar-card__list li {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
  padding-left: var(--space-6);
  position: relative;
}

.pillar-card__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.6;
}

/* --- Product Card Badges & Subtitle --- */
.product-card {
  position: relative;
}

.product-card__badge {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  padding: var(--space-1) var(--space-3);
  border-radius: 100px;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.product-card__badge--live {
  background: rgba(16, 185, 129, 0.15);
  color: var(--success);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.product-card__badge--building {
  background: rgba(6, 182, 212, 0.15);
  color: var(--accent);
  border: 1px solid rgba(6, 182, 212, 0.3);
}

.product-card__badge--soon {
  background: rgba(100, 116, 139, 0.15);
  color: var(--text-muted);
  border: 1px solid rgba(100, 116, 139, 0.3);
}

.product-card--live {
  border-color: rgba(16, 185, 129, 0.25);
}

.product-card--live:hover {
  border-color: rgba(16, 185, 129, 0.5);
  box-shadow: 0 0 20px rgba(16, 185, 129, 0.1);
}

.product-card__subtitle {
  font-size: 0.8125rem;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: var(--space-3);
}

/* --- CyRep Spotlight Stats --- */
.cyrep-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  margin: var(--space-4) 0;
}

.cyrep-stat {
  text-align: center;
  padding: var(--space-4);
  background: var(--surface);
  border-radius: 12px;
  border: 1px solid var(--border);
}

.cyrep-stat__number {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

.cyrep-stat__label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: var(--space-1);
}

.cyrep-launch {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent);
  margin-top: var(--space-2);
}

/* --- Founder Career Timeline --- */
.founder__career {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.founder__career-item {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
  font-size: 0.8125rem;
  line-height: 1.5;
}

.founder__career-role {
  font-weight: 600;
  color: var(--text);
  min-width: 110px;
  text-align: right;
  flex-shrink: 0;
}

.founder__career-org {
  color: var(--text-secondary);
}

/* --- Footer Contact Emails --- */
.footer__contact-emails {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.footer__contact-emails .footer__link {
  font-size: 0.8125rem;
}

/* --- Scroll Reveal Animations --- */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* --- Divider --- */
.divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
}

/* --- Legal Pages --- */
.legal-page {
  padding: calc(80px + var(--space-12)) var(--space-6) var(--space-16);
  min-height: 100vh;
}

.legal-page h1 {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 700;
  margin-bottom: var(--space-2);
}

.legal-page__updated {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: var(--space-10);
}

.legal-page h2 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-top: var(--space-10);
  margin-bottom: var(--space-4);
  color: var(--text);
}

.legal-page h3 {
  font-size: 1.0625rem;
  font-weight: 600;
  margin-top: var(--space-6);
  margin-bottom: var(--space-3);
  color: var(--text);
}

.legal-page p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-4);
  max-width: 70ch;
}

.legal-page ul, .legal-page ol {
  margin-bottom: var(--space-4);
  padding-left: var(--space-6);
}

.legal-page ul { list-style: disc; }
.legal-page ol { list-style: decimal; }

.legal-page li {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-2);
}

.legal-page a {
  color: var(--accent);
}
.legal-page a:hover {
  color: var(--accent-hover);
}

.legal-page strong {
  color: var(--text);
  font-weight: 600;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }
}

@media (max-width: 768px) {
  .header__nav-links { display: none; }
  .header__cta { display: none; }
  .header__menu-toggle { display: block; }

  .vision__grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .vision__visual { order: -1; }

  .pillars__grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .product-showcase {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }

  .product-showcase__mockup { order: -1; }

  .steps {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .steps::before { display: none; }

  .about__grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .about__visual { order: -1; }

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

  .security__grid {
    grid-template-columns: 1fr;
  }

  .founder__card {
    flex-direction: column;
    text-align: center;
    padding: var(--space-8);
  }

  .founder__career {
    align-items: center;
  }

  .founder__career-item {
    flex-direction: column;
    align-items: center;
    gap: var(--space-1);
  }

  .founder__career-role {
    min-width: auto;
    text-align: center;
  }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .footer__bottom {
    flex-direction: column;
    text-align: center;
  }

  .waitlist-form__row {
    flex-direction: column;
  }

  .hero { min-height: calc(100vh - 60px); min-height: calc(100svh - 60px); }

  .hero__pillars {
    gap: var(--space-5);
  }

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

@media (max-width: 480px) {
  .products__grid {
    grid-template-columns: 1fr;
  }

  .about__stats {
    grid-template-columns: 1fr;
  }

  .hero__title {
    font-size: 2rem;
  }

  .hero__pillars {
    flex-direction: column;
    gap: var(--space-3);
    align-items: center;
  }

  .cyrep-stats {
    grid-template-columns: 1fr;
  }

  .founder__career-role {
    min-width: auto;
    text-align: center;
  }
}

/* --- Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
}