/* =============================================================
   Area Marketplace — Community Commerce Infrastructure
   Visual alignment with schmidttechgroup.com
   Professional · Stable · Institutional
   ============================================================= */

/* ----- Design Tokens (aligned with STG) ----- */
:root {
  /* Primary palette — matched to STG */
  --color-blue-900: #0a1628;
  --color-blue-800: #0f2136;
  --color-blue-700: #152d4a;
  --color-blue-600: #1a3a5c;
  --color-blue-500: #2563eb;
  --color-blue-400: #3b82f6;
  --color-blue-300: #60a5fa;
  --color-blue-100: #dbeafe;
  --color-blue-50:  #eff6ff;

  /* Neutrals */
  --color-gray-900: #111827;
  --color-gray-800: #1f2937;
  --color-gray-700: #374151;
  --color-gray-600: #4b5563;
  --color-gray-500: #6b7280;
  --color-gray-400: #9ca3af;
  --color-gray-300: #d1d5db;
  --color-gray-200: #e5e7eb;
  --color-gray-100: #f3f4f6;
  --color-gray-50:  #f9fafb;

  --color-white: #ffffff;
  --color-success: #059669;
  --color-error:   #dc2626;

  /* Typography — STG aligned */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  --leading-tight: 1.15;
  --leading-snug: 1.35;
  --leading-normal: 1.6;
  --leading-relaxed: 1.75;

  /* Spacing scale — STG aligned */
  --space-xs:  0.25rem;
  --space-sm:  0.5rem;
  --space-md:  1rem;
  --space-lg:  1.5rem;
  --space-xl:  2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 5rem;
  --space-5xl: 7rem;
  --space-6xl: 9rem;

  /* Section padding */
  --section-py: var(--space-6xl);
  --section-py-sm: var(--space-5xl);

  /* Layout */
  --max-width: 1200px;
  --max-width-narrow: 720px;
  --border-radius: 8px;
  --border-radius-lg: 12px;
  --border-radius-xl: 16px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
}

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

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

body {
  font-family: var(--font-sans);
  font-weight: var(--font-weight-normal);
  font-size: 1rem;
  line-height: var(--leading-normal);
  color: var(--color-gray-700);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--color-blue-500);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover,
a:focus-visible {
  color: var(--color-blue-400);
}

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

/* ----- Focus Styles ----- */
:focus-visible {
  outline: 2px solid var(--color-blue-500);
  outline-offset: 2px;
}

/* ----- Section Labels ----- */
.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-blue-500);
  margin-bottom: var(--space-lg);
}

.section-title {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: var(--font-weight-bold);
  color: var(--color-gray-900);
  line-height: var(--leading-tight);
  letter-spacing: -0.025em;
  margin-bottom: var(--space-lg);
}

.section-subtitle {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: var(--color-gray-500);
  line-height: var(--leading-relaxed);
  max-width: var(--max-width-narrow);
}

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

.mx-auto {
  margin-left: auto;
  margin-right: auto;
}

/* =============================================================
   HEADER
   ============================================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-gray-200);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 1.15rem;
  color: var(--color-gray-900);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.logo:hover {
  color: var(--color-gray-800);
}

.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background-color: var(--color-blue-500);
  color: var(--color-white);
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: var(--font-weight-bold);
}

.logo-text {
  font-weight: var(--font-weight-normal);
  color: var(--color-gray-600);
}

.logo-text strong {
  font-weight: var(--font-weight-bold);
  color: var(--color-gray-900);
}

/* Nav */
.header-nav {
  display: flex;
  align-items: center;
  gap: var(--space-2xl);
}

.nav-link {
  font-size: 0.875rem;
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-600);
  transition: color var(--transition-fast);
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--color-gray-900);
}

.cta-nav {
  padding: 0.55rem 1.25rem;
  border-radius: var(--border-radius);
  background-color: var(--color-blue-500);
  color: var(--color-white) !important;
  font-weight: var(--font-weight-medium);
  font-size: 0.875rem;
  transition: background-color var(--transition-fast);
}

.cta-nav:hover {
  background-color: var(--color-blue-400);
}

/* Mobile toggle */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
}

.hamburger,
.hamburger::before,
.hamburger::after {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--color-gray-700);
  border-radius: 2px;
  transition: var(--transition-base);
  position: relative;
}

.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  left: 0;
}

.hamburger::before { top: -7px; }
.hamburger::after  { top:  7px; }

/* =============================================================
   BUTTONS (STG-aligned)
   ============================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.75rem;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: var(--font-weight-medium);
  border-radius: var(--border-radius);
  text-align: center;
  cursor: pointer;
  border: 1.5px solid transparent;
  transition:
    background-color var(--transition-fast),
    border-color var(--transition-fast),
    color var(--transition-fast),
    box-shadow var(--transition-fast);
  text-decoration: none;
  line-height: 1;
}

.btn-primary {
  background-color: var(--color-blue-500);
  color: var(--color-white);
}

.btn-primary:hover {
  background-color: var(--color-blue-400);
  color: var(--color-white);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-gray-700);
  border-color: var(--color-gray-300);
}

.btn-secondary:hover {
  background-color: var(--color-gray-50);
  border-color: var(--color-gray-400);
  color: var(--color-gray-900);
}

.btn-lg {
  padding: 0.875rem 2rem;
  font-size: 0.95rem;
}

/* =============================================================
   1. HERO
   ============================================================= */
.hero {
  position: relative;
  overflow: hidden;
  padding: var(--space-6xl) 0;
  background: linear-gradient(135deg, var(--color-blue-900) 0%, var(--color-blue-800) 40%, var(--color-blue-700) 100%);
  color: var(--color-white);
}

/* Subtle grid texture — STG style */
.hero-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
}

.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 50%, rgba(37,99,235,0.15) 0%, transparent 60%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: var(--max-width-narrow);
}

.hero-badge {
  display: inline-block;
  padding: 0.3rem 0.9rem;
  margin-bottom: var(--space-xl);
  font-size: 0.7rem;
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 100px;
  color: var(--color-blue-300);
}

.hero h1 {
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: var(--font-weight-bold);
  line-height: var(--leading-tight);
  letter-spacing: -0.03em;
  margin-bottom: var(--space-lg);
}

.hero-sub {
  font-size: clamp(1.05rem, 2vw, 1.2rem);
  line-height: var(--leading-relaxed);
  color: rgba(255,255,255,0.7);
  margin-bottom: var(--space-2xl);
  max-width: 600px;
}

.hero-ctas {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.hero .btn-primary {
  background-color: var(--color-blue-500);
  color: var(--color-white);
  border-color: var(--color-blue-500);
}

.hero .btn-primary:hover {
  background-color: var(--color-blue-400);
  border-color: var(--color-blue-400);
  box-shadow: 0 4px 20px rgba(37, 99, 235, 0.35);
}

.hero .btn-secondary {
  border-color: rgba(255,255,255,0.25);
  color: rgba(255,255,255,0.85);
}

.hero .btn-secondary:hover {
  background-color: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.4);
  color: var(--color-white);
}

/* Hero network anchor */
.hero-network {
  margin-top: var(--space-2xl);
  font-size: 0.85rem;
  color: rgba(255,255,255,0.45);
  letter-spacing: 0.01em;
}

.hero-network a {
  color: rgba(255,255,255,0.6);
  text-decoration: underline;
  text-decoration-color: rgba(255,255,255,0.25);
  text-underline-offset: 2px;
  transition: color var(--transition-fast);
}

.hero-network a:hover {
  color: var(--color-white);
  text-decoration-color: var(--color-white);
}

/* Hero stats row */
.hero-stats {
  display: flex;
  gap: var(--space-3xl);
  margin-top: var(--space-3xl);
  padding-top: var(--space-2xl);
  border-top: 1px solid rgba(255,255,255,0.1);
}

.hero-stat {
  display: flex;
  flex-direction: column;
}

.hero-stat-value {
  font-size: 1.5rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
  letter-spacing: -0.02em;
}

.hero-stat-label {
  font-size: 0.75rem;
  font-weight: var(--font-weight-medium);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.5);
  margin-top: var(--space-xs);
}

/* =============================================================
   2. CAPABILITIES GRID
   ============================================================= */
.capabilities {
  padding: var(--section-py) 0;
  background-color: var(--color-white);
}

.capabilities-header {
  text-align: center;
  margin-bottom: var(--space-4xl);
}

.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
}

.cap-card {
  padding: var(--space-2xl) var(--space-xl);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--color-gray-200);
  background: var(--color-white);
  transition:
    border-color var(--transition-base),
    box-shadow var(--transition-base);
}

.cap-card:hover {
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
  border-color: var(--color-blue-300);
}

.cap-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  margin-bottom: var(--space-lg);
  border-radius: var(--border-radius);
  background-color: var(--color-blue-50);
  color: var(--color-blue-500);
}

.cap-card h3 {
  font-size: 1rem;
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-900);
  margin-bottom: var(--space-sm);
  letter-spacing: -0.01em;
}

.cap-card p {
  font-size: 0.875rem;
  color: var(--color-gray-500);
  line-height: var(--leading-normal);
}

/* =============================================================
   3. ECONOMIC IMPACT
   ============================================================= */
.impact {
  padding: var(--section-py) 0;
  background-color: var(--color-gray-50);
}

.impact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: center;
}

.impact-content .section-title {
  text-align: left;
}

.impact-content .section-subtitle {
  margin-bottom: var(--space-2xl);
}

.impact-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
}

.impact-metric {
  padding: var(--space-xl);
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--color-gray-200);
}

.impact-metric-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  margin-bottom: var(--space-md);
  border-radius: var(--border-radius);
  background-color: var(--color-blue-50);
  color: var(--color-blue-500);
}

.impact-metric h3 {
  font-size: 0.95rem;
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-900);
  margin-bottom: var(--space-xs);
}

.impact-metric p {
  font-size: 0.85rem;
  color: var(--color-gray-500);
  line-height: var(--leading-normal);
}

/* =============================================================
   4. GOVERNANCE & PARTNERSHIP
   ============================================================= */
.governance {
  padding: var(--space-5xl) 0;
  background-color: var(--color-white);
  border-top: 1px solid var(--color-gray-200);
}

.governance-inner {
  max-width: 700px;
  margin: 0 auto;
}

.governance .section-title {
  text-align: center;
}

.governance .section-subtitle {
  max-width: 640px;
  margin: 0 auto;
}

/* =============================================================
   5. INFRASTRUCTURE & STABILITY
   ============================================================= */
.infrastructure {
  padding: var(--section-py) 0;
  background-color: var(--color-white);
}

.infrastructure-header {
  text-align: center;
  margin-bottom: var(--space-4xl);
}

.infrastructure-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.infra-card {
  padding: var(--space-2xl);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--color-gray-200);
  background: var(--color-gray-50);
}

.infra-card h3 {
  font-size: 1rem;
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-900);
  margin-bottom: var(--space-sm);
  letter-spacing: -0.01em;
}

.infra-card p {
  font-size: 0.875rem;
  color: var(--color-gray-500);
  line-height: var(--leading-normal);
}

.infra-number {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-blue-500);
  margin-bottom: var(--space-md);
  letter-spacing: 0.05em;
}

/* =============================================================
   5. EARLY ACCESS FORM
   ============================================================= */
.early-access {
  padding: var(--section-py) 0;
  background-color: var(--color-gray-900);
  color: var(--color-white);
}

.early-access-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: start;
}

.early-access-content .section-label {
  color: var(--color-blue-400);
}

.early-access-content .section-title {
  color: var(--color-white);
  text-align: left;
}

.early-access-content .section-subtitle {
  color: var(--color-gray-400);
}

.ea-features {
  list-style: none;
  margin-top: var(--space-2xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.ea-features li {
  display: flex;
  align-items: start;
  gap: var(--space-md);
}

.ea-feature-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 6px;
  background-color: rgba(37, 99, 235, 0.15);
  color: var(--color-blue-400);
  margin-top: 2px;
}

.ea-feature-text h4 {
  font-size: 0.9rem;
  font-weight: var(--font-weight-semibold);
  color: var(--color-white);
  margin-bottom: 2px;
}

.ea-feature-text p {
  font-size: 0.8rem;
  color: var(--color-gray-400);
  line-height: var(--leading-normal);
}

/* Form */
.access-form {
  background: var(--color-gray-800);
  padding: var(--space-2xl);
  border-radius: var(--border-radius-xl);
  border: 1px solid rgba(255,255,255,0.08);
}

.form-group {
  margin-bottom: var(--space-lg);
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-300);
  margin-bottom: var(--space-xs);
}

.form-group input,
.form-group select {
  width: 100%;
  padding: 0.7rem 0.85rem;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: var(--color-white);
  background-color: var(--color-gray-900);
  border: 1.5px solid rgba(255,255,255,0.12);
  border-radius: var(--border-radius);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%239ca3af' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2rem;
}

.form-group select option {
  background-color: var(--color-gray-900);
  color: var(--color-white);
}

.form-group input::placeholder {
  color: var(--color-gray-500);
}

.form-group input:focus,
.form-group select:focus {
  border-color: var(--color-blue-500);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
  outline: none;
}

.form-group input.field-error,
.form-group select.field-error {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.15);
}

.btn-submit {
  width: 100%;
  padding: 0.8rem;
  font-size: 0.9rem;
  margin-top: var(--space-sm);
}

.form-status {
  text-align: center;
  margin-top: var(--space-md);
  font-size: 0.85rem;
  min-height: 1.4em;
}

.form-status--success {
  color: var(--color-success);
  font-weight: var(--font-weight-medium);
}

.form-status--error {
  color: var(--color-error);
  font-weight: var(--font-weight-medium);
}

.privacy-note {
  margin-top: var(--space-lg);
  font-size: 0.75rem;
  color: var(--color-gray-500);
  text-align: center;
  line-height: var(--leading-normal);
}

.privacy-note a {
  color: var(--color-gray-400);
  text-decoration: underline;
  text-decoration-color: rgba(156, 163, 175, 0.4);
  text-underline-offset: 2px;
}

.privacy-note a:hover {
  color: var(--color-gray-300);
}

/* =============================================================
   FOOTER (STG-aligned)
   ============================================================= */
.site-footer {
  padding: var(--space-4xl) 0 var(--space-2xl);
  background-color: var(--color-blue-900);
  color: rgba(255, 255, 255, 0.6);
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-3xl);
  padding-bottom: var(--space-3xl);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand-text {
  font-size: 0.875rem;
  line-height: var(--leading-relaxed);
  color: rgba(255,255,255,0.5);
  max-width: 320px;
  margin-top: var(--space-md);
}

.footer-col h4 {
  font-size: 0.7rem;
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: rgba(255,255,255,0.4);
  margin-bottom: var(--space-lg);
}

.footer-col-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-col-links a {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-xl);
  gap: var(--space-lg);
}

.footer-network {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.4);
}

.footer-network a {
  color: var(--color-blue-300);
  font-weight: var(--font-weight-medium);
  text-decoration: underline;
  text-decoration-color: rgba(96, 165, 250, 0.3);
  text-underline-offset: 2px;
}

.footer-network a:hover {
  color: var(--color-white);
  text-decoration-color: var(--color-white);
}

.footer-copy {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.3);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 1rem;
  color: var(--color-white);
  text-decoration: none;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-xs);
}

.footer-logo .logo-mark {
  width: 28px;
  height: 28px;
  font-size: 0.75rem;
}

.footer-logo .logo-text {
  color: rgba(255,255,255,0.6);
}

.footer-logo .logo-text strong {
  color: var(--color-white);
}

/* =============================================================
   RESPONSIVE — Tablet (max-width 960px)
   ============================================================= */
@media (max-width: 960px) {
  :root {
    --section-py: var(--space-5xl);
  }

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

  .impact-inner {
    grid-template-columns: 1fr;
    gap: var(--space-3xl);
  }

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

  .early-access-inner {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
  }

  .hero-stats {
    gap: var(--space-2xl);
  }
}

/* =============================================================
   RESPONSIVE — Mobile (max-width 640px)
   ============================================================= */
@media (max-width: 640px) {
  :root {
    --section-py: var(--space-4xl);
  }

  .container {
    padding-left: var(--space-lg);
    padding-right: var(--space-lg);
  }

  /* Header */
  .mobile-menu-toggle {
    display: block;
  }

  .header-nav {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-gray-200);
    padding: var(--space-lg);
    gap: var(--space-md);
    transform: translateY(-10px);
    opacity: 0;
    pointer-events: none;
    transition:
      transform var(--transition-base),
      opacity var(--transition-base);
  }

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

  .cta-nav {
    text-align: center;
  }

  /* Hero */
  .hero {
    padding: var(--space-4xl) 0;
  }

  .hero-ctas {
    flex-direction: column;
  }

  .hero-stats {
    flex-direction: column;
    gap: var(--space-lg);
  }

  /* Capabilities */
  .capabilities-grid {
    grid-template-columns: 1fr;
  }

  /* Impact */
  .impact-metrics {
    grid-template-columns: 1fr;
  }

  /* Infrastructure */
  .infrastructure-grid {
    grid-template-columns: 1fr;
  }

  /* Footer */
  .footer-top {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

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

/* =============================================================
   FADE-IN ANIMATIONS (intersection observer driven)
   ============================================================= */
.fade-in-section {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-section.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Consistent card hover elevation */
.cap-card,
.impact-metric,
.infra-card {
  transition:
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    transform var(--transition-base);
}

.cap-card:hover,
.impact-metric:hover,
.infra-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
  border-color: var(--color-blue-300);
}

/* =============================================================
   PRINT STYLES
   ============================================================= */
@media print {
  .site-header,
  .hero-bg,
  .mobile-menu-toggle,
  .btn,
  .access-form {
    display: none !important;
  }

  body {
    color: #000;
    background: #fff;
  }

  .hero {
    background: none !important;
    color: #000;
    padding: 1rem 0;
  }

  .hero-sub {
    color: #333;
  }

  .early-access {
    background: #fff !important;
    color: #000;
  }
}