/* ================================
   Inter — self-hosted
   No Google Fonts request, so no visitor IP is
   transmitted to a third party. See privacy.html.
   ================================ */

@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/inter-400.woff2') format('woff2');
}

@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('../fonts/inter-500.woff2') format('woff2');
}

@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('../fonts/inter-600.woff2') format('woff2');
}

@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('../fonts/inter-700.woff2') format('woff2');
}

@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 800;
  font-display: swap;
  src: url('../fonts/inter-800.woff2') format('woff2');
}

@font-face {
  font-family: 'Plus Jakarta Sans';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('../fonts/jakarta-600.woff2') format('woff2');
}

@font-face {
  font-family: 'Plus Jakarta Sans';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('../fonts/jakarta-700.woff2') format('woff2');
}

@font-face {
  font-family: 'Plus Jakarta Sans';
  font-style: normal;
  font-weight: 800;
  font-display: swap;
  src: url('../fonts/jakarta-800.woff2') format('woff2');
}

/* ================================
   CarbTrust — Design System
   ================================ */

:root {
  /* Brand colors from logo */
  --navy-900: #0f1a2e;
  --navy-800: #1a2332;
  --navy-700: #2a3548;
  --navy-600: #3d4a63;

  --blue-500: #2eb5f0;
  --blue-600: #1a9bd4;
  --blue-400: #5cc4f3;
  --blue-50: #e8f6fc;

  --green-500: #7fb069;
  --green-600: #6a9856;
  --green-50: #eef5ea;

  /* Neutrals */
  --white: #ffffff;
  --off-white: #f7f8fa;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e5e9f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;

  /* Semantic */
  --bg: var(--white);
  --bg-alt: var(--off-white);
  --bg-dark: var(--navy-900);
  --text: var(--navy-900);
  --text-muted: var(--gray-500);
  --text-inverse: var(--white);
  --border: var(--gray-200);
  --accent: var(--blue-500);
  --accent-hover: var(--blue-600);

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-display: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Spacing scale */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;
  --space-24: 96px;
  --space-32: 128px;

  /* Radius */
  --radius-sm: 6px;
  --radius: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(15, 26, 46, 0.04);
  --shadow: 0 4px 12px rgba(15, 26, 46, 0.06), 0 2px 4px rgba(15, 26, 46, 0.04);
  --shadow-lg: 0 12px 32px rgba(15, 26, 46, 0.08), 0 4px 8px rgba(15, 26, 46, 0.04);
  --shadow-xl: 0 24px 64px rgba(15, 26, 46, 0.12);

  /* Layout */
  --container: 1200px;
  --container-narrow: 900px;
  --nav-height: 72px;

  /* Motion */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ================================
   Reset & Base
   ================================ */

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

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

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

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

ul, ol {
  list-style: none;
}

/* ================================
   Typography
   ================================ */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.025em;
  color: var(--text);
}

h1 { font-size: clamp(2.25rem, 5vw, 3.75rem); }
h2 { font-size: clamp(1.875rem, 3.5vw, 2.75rem); }
h3 { font-size: clamp(1.375rem, 2.5vw, 1.75rem); }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }

p { color: var(--gray-600); }
.lead { font-size: 1.125rem; line-height: 1.6; color: var(--gray-600); }

.eyebrow {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue-500);
  margin-bottom: var(--space-4);
}

.text-gradient {
  background: linear-gradient(135deg, var(--blue-500) 0%, var(--green-500) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ================================
   Layout
   ================================ */

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.container-narrow {
  width: 100%;
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.section {
  padding: var(--space-24) 0;
}

.section-sm { padding: var(--space-16) 0; }
.section-lg { padding: var(--space-32) 0; }

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto var(--space-16);
}

.section-header h2 { margin-bottom: var(--space-4); }

/* ================================
   Buttons
   ================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 14px 28px;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: all 0.2s var(--ease);
  white-space: nowrap;
  border: 1.5px solid transparent;
}

.btn-primary {
  background: var(--navy-900);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--navy-800);
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

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

.btn-accent:hover {
  background: var(--blue-600);
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(46, 181, 240, 0.3);
}

.btn-outline {
  background: transparent;
  color: var(--navy-900);
  border-color: var(--gray-300);
}

.btn-outline:hover {
  border-color: var(--navy-900);
  background: var(--navy-900);
  color: var(--white);
}

.btn-ghost {
  background: transparent;
  color: var(--navy-900);
  padding: 10px 20px;
}

.btn-ghost:hover { color: var(--blue-500); }

.btn-lg { padding: 16px 32px; font-size: 1rem; }
.btn-sm { padding: 10px 20px; font-size: 0.875rem; }

.btn .arrow {
  transition: transform 0.2s var(--ease);
}

.btn:hover .arrow { transform: translateX(3px); }

/* ================================
   Navigation
   ================================ */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid transparent;
  z-index: 100;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.nav.scrolled {
  border-bottom-color: var(--gray-200);
  background: rgba(255, 255, 255, 0.95);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.nav-brand {
  font-family: var(--font-display);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--navy-900);
  letter-spacing: -0.01em;
}

.nav-brand img,
.nav-brand svg {
  width: 36px;
  height: 36px;
  border-radius: 8px;
}

.nav-brand .brand-name span:last-child {
  color: var(--blue-500);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-left: auto;
}

.nav-link {
  padding: 8px 12px;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--gray-700);
  border-radius: var(--radius-sm);
  transition: all 0.2s var(--ease);
  position: relative;
}

.nav-link:hover { color: var(--navy-900); }
.nav-link.active { color: var(--navy-900); }

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--navy-900);
  position: relative;
  transition: all 0.2s var(--ease);
}

.nav-toggle span::before,
.nav-toggle span::after {
  content: '';
  position: absolute;
  left: 0;
  width: 20px;
  height: 2px;
  background: var(--navy-900);
  transition: all 0.2s var(--ease);
}

.nav-toggle span::before { top: -6px; }
.nav-toggle span::after { top: 6px; }

.nav.open .nav-toggle span { background: transparent; }
.nav.open .nav-toggle span::before { top: 0; transform: rotate(45deg); }
.nav.open .nav-toggle span::after { top: 0; transform: rotate(-45deg); }

/* ================================
   Hero
   ================================ */

.hero {
  position: relative;
  padding: calc(var(--nav-height) + var(--space-24)) 0 var(--space-24);
  overflow: hidden;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(46, 181, 240, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse 60% 50% at 100% 30%, rgba(127, 176, 105, 0.06) 0%, transparent 50%),
    var(--white);
}

.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-16);
  align-items: center;
}

.hero-content h1 {
  margin-bottom: var(--space-6);
}

.hero-content .lead {
  margin-bottom: var(--space-8);
  font-size: 1.25rem;
  max-width: 540px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-10);
}

.hero-meta {
  display: flex;
  gap: var(--space-8);
  padding-top: var(--space-8);
  border-top: 1px solid var(--gray-200);
}

.hero-meta-item .num {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--navy-900);
  letter-spacing: -0.02em;
}

.hero-meta-item .label {
  font-size: 0.8125rem;
  color: var(--gray-500);
  margin-top: 4px;
}

.hero-visual {
  position: relative;
  aspect-ratio: 1;
}

.hero-orb {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background:
    conic-gradient(from 45deg,
      var(--blue-500) 0deg,
      var(--green-500) 90deg,
      var(--navy-900) 180deg,
      var(--blue-500) 270deg,
      var(--blue-500) 360deg);
  filter: blur(60px);
  opacity: 0.15;
  animation: rotate 20s linear infinite;
}

.hero-card {
  position: absolute;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  animation: float 6s ease-in-out infinite;
}

.hero-card-1 {
  top: 15%;
  left: 5%;
  animation-delay: 0s;
}

.hero-card-2 {
  top: 45%;
  right: 5%;
  animation-delay: -2s;
}

.hero-card-3 {
  bottom: 15%;
  left: 20%;
  animation-delay: -4s;
}

.hero-card-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.hero-card-icon.blue { background: var(--blue-50); color: var(--blue-500); }
.hero-card-icon.green { background: var(--green-50); color: var(--green-600); }
.hero-card-icon.navy { background: rgba(15, 26, 46, 0.08); color: var(--navy-900); }

.hero-card-text .title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--navy-900);
}

.hero-card-text .sub {
  font-size: 0.75rem;
  color: var(--gray-500);
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* ================================
   Partners strip
   ================================ */

.partners {
  padding: var(--space-16) 0;
  border-top: 1px solid var(--gray-200);
  border-bottom: 1px solid var(--gray-200);
}

.partners-label {
  text-align: center;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray-500);
  margin-bottom: var(--space-8);
}

.partners-track {
  display: flex;
  gap: var(--space-16);
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
}

.partner-logo {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--gray-400);
  letter-spacing: -0.01em;
  opacity: 0.7;
  transition: opacity 0.2s var(--ease), color 0.2s var(--ease);
}

.partner-logo:hover {
  opacity: 1;
  color: var(--navy-900);
}

/* ================================
   Features grid
   ================================ */

.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.feature {
  padding: var(--space-8);
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  transition: all 0.3s var(--ease);
}

.feature:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
  background: linear-gradient(135deg, var(--blue-50) 0%, var(--green-50) 100%);
  color: var(--blue-500);
}

.feature h3 {
  font-size: 1.25rem;
  margin-bottom: var(--space-3);
}

.feature p {
  font-size: 0.9375rem;
  color: var(--gray-600);
}

/* ================================
   Workflow / Process
   ================================ */

.workflow {
  background: var(--navy-900);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.workflow::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(46, 181, 240, 0.15) 0%, transparent 60%);
  pointer-events: none;
}

.workflow .section-header h2 { color: var(--white); }
.workflow .section-header p { color: var(--gray-300); }
.workflow .eyebrow { color: var(--blue-400); }

.workflow-steps {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
}

.workflow-line {
  position: absolute;
  top: 40px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: linear-gradient(90deg,
    transparent,
    var(--blue-500) 20%,
    var(--green-500) 50%,
    var(--blue-500) 80%,
    transparent);
  opacity: 0.4;
}

.workflow-step {
  position: relative;
  text-align: center;
  padding: 0 var(--space-3);
}

.workflow-step-num {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--navy-800);
  border: 2px solid var(--navy-700);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-5);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--blue-400);
  position: relative;
  z-index: 1;
}

.workflow-step h4 {
  color: var(--white);
  margin-bottom: var(--space-3);
}

.workflow-step p {
  color: var(--gray-400);
  font-size: 0.9375rem;
}

/* ================================
   Audience split (Suppliers / Buyers)
   ================================ */

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

.audience-card {
  padding: var(--space-12);
  border-radius: var(--radius-xl);
  position: relative;
  overflow: hidden;
  transition: transform 0.3s var(--ease);
}

.audience-card:hover { transform: translateY(-4px); }

.audience-card.suppliers {
  background: linear-gradient(135deg, var(--green-50) 0%, #f0f7ec 100%);
  border: 1px solid var(--green-500);
}

.audience-card.buyers {
  background: linear-gradient(135deg, var(--blue-50) 0%, #e1f2fb 100%);
  border: 1px solid var(--blue-500);
}

.audience-card .eyebrow { margin-bottom: var(--space-3); }
.audience-card.suppliers .eyebrow { color: var(--green-600); }
.audience-card.buyers .eyebrow { color: var(--blue-600); }

.audience-card h3 {
  font-size: 2rem;
  margin-bottom: var(--space-4);
}

.audience-card p {
  margin-bottom: var(--space-6);
  font-size: 1.0625rem;
  color: var(--gray-700);
}

.audience-list {
  margin-bottom: var(--space-8);
}

.audience-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  color: var(--gray-700);
  font-size: 0.9375rem;
}

.audience-list .check {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-top: 2px;
}

.audience-card.suppliers .check { color: var(--green-600); }
.audience-card.buyers .check { color: var(--blue-600); }

/* ================================
   Testimonials
   ================================ */

.testimonials {
  background: var(--off-white);
}

.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.testimonial {
  background: var(--white);
  padding: var(--space-8);
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200);
}

.testimonial-quote {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--gray-700);
  margin-bottom: var(--space-6);
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue-500), var(--green-500));
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9375rem;
}

.testimonial-name {
  font-weight: 600;
  color: var(--navy-900);
  font-size: 0.9375rem;
}

.testimonial-role {
  font-size: 0.8125rem;
  color: var(--gray-500);
}

/* ================================
   Stats
   ================================ */

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  padding: var(--space-12);
  background: linear-gradient(135deg, var(--navy-900) 0%, var(--navy-800) 100%);
  border-radius: var(--radius-xl);
  color: var(--white);
}

.stat {
  text-align: center;
  padding: var(--space-4);
  border-right: 1px solid rgba(255, 255, 255, 0.1);
}

.stat:last-child { border-right: none; }

.stat-num {
  font-size: 2.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--blue-400), var(--green-500));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-2);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--gray-300);
}

/* ================================
   CTA section
   ================================ */

.cta {
  padding: var(--space-24) 0;
}

.cta-inner {
  padding: var(--space-16);
  background:
    radial-gradient(ellipse at top left, rgba(46, 181, 240, 0.15), transparent 60%),
    radial-gradient(ellipse at bottom right, rgba(127, 176, 105, 0.12), transparent 60%),
    var(--navy-900);
  border-radius: var(--radius-xl);
  text-align: center;
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.cta-inner h2 {
  color: var(--white);
  margin-bottom: var(--space-4);
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

.cta-inner p {
  color: var(--gray-300);
  font-size: 1.125rem;
  max-width: 560px;
  margin: 0 auto var(--space-8);
}

.cta .btn-primary {
  background: var(--white);
  color: var(--navy-900);
}

.cta .btn-primary:hover {
  background: var(--gray-100);
}

.cta .btn-outline {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.3);
}

.cta .btn-outline:hover {
  background: var(--white);
  color: var(--navy-900);
  border-color: var(--white);
}

/* ================================
   Footer
   ================================ */

.footer {
  background: var(--navy-900);
  color: var(--gray-300);
  padding: var(--space-20) 0 var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-16);
}

.footer-brand {
  font-family: var(--font-display);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--white);
  font-weight: 700;
  font-size: 1.25rem;
  margin-bottom: var(--space-4);
}

.footer-brand img,
.footer-brand svg {
  width: 36px;
  height: 36px;
  border-radius: 8px;
}

.footer-tagline {
  font-size: 0.9375rem;
  line-height: 1.6;
  margin-bottom: var(--space-6);
  max-width: 320px;
}

.footer h5 {
  color: var(--white);
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-5);
}

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

.footer-links a {
  color: var(--gray-400);
  font-size: 0.9375rem;
  transition: color 0.2s var(--ease);
}

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

.footer-bottom {
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
  color: var(--gray-500);
  font-size: 0.875rem;
}

.footer-social {
  display: flex;
  gap: var(--space-2);
}

.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.05);
  color: var(--gray-400);
  transition: all 0.2s var(--ease);
}

.footer-social a:hover {
  background: var(--blue-500);
  color: var(--white);
}

/* ================================
   Page hero (for interior pages)
   ================================ */

.page-hero {
  padding: calc(var(--nav-height) + var(--space-20)) 0 var(--space-16);
  background:
    radial-gradient(ellipse 60% 50% at 50% 0%, rgba(46, 181, 240, 0.06) 0%, transparent 60%),
    var(--off-white);
  text-align: center;
  border-bottom: 1px solid var(--gray-200);
}

.page-hero h1 { margin-bottom: var(--space-4); }
.page-hero .lead { max-width: 640px; margin: 0 auto; }

/* ================================
   Content sections
   ================================ */

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.two-col.reversed { direction: rtl; }
.two-col.reversed > * { direction: ltr; }

.content-block h2 { margin-bottom: var(--space-4); }
.content-block p { margin-bottom: var(--space-4); font-size: 1.0625rem; }

.content-visual {
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, var(--blue-50) 0%, var(--green-50) 100%);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.content-visual svg {
  width: 60%;
  height: 60%;
  color: var(--navy-900);
  opacity: 0.4;
}

/* ================================
   Contact form
   ================================ */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-16);
}

.contact-info h3 { margin-bottom: var(--space-4); }
.contact-info p { margin-bottom: var(--space-6); font-size: 1.0625rem; }

.contact-details {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding-top: var(--space-6);
  border-top: 1px solid var(--gray-200);
}

.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}

.contact-detail-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--blue-50);
  color: var(--blue-500);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-detail-text .label {
  font-size: 0.8125rem;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
}

.contact-detail-text .value {
  color: var(--navy-900);
  font-weight: 500;
  margin-top: 2px;
}

.contact-form {
  padding: var(--space-10);
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
}

.form-group {
  margin-bottom: var(--space-5);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--navy-900);
  margin-bottom: var(--space-2);
}

input[type="text"],
input[type="email"],
input[type="tel"],
select,
textarea {
  width: 100%;
  padding: 12px 16px;
  font-family: inherit;
  font-size: 0.9375rem;
  color: var(--navy-900);
  background: var(--white);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius);
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--blue-500);
  box-shadow: 0 0 0 3px rgba(46, 181, 240, 0.12);
}

textarea { resize: vertical; min-height: 120px; }

/* ================================
   Animations on scroll
   ================================ */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}

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

/* ================================
   Responsive
   ================================ */


/* Seven nav items need more room than a phone breakpoint allows */
@media (max-width: 940px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; }

  .nav.open {
    height: auto;
    background: var(--white);
    box-shadow: var(--shadow-lg);
  }

  .nav.open .nav-inner {
    flex-wrap: wrap;
    height: auto;
    padding-bottom: var(--space-4);
  }

  .nav.open .nav-brand,
  .nav.open .nav-toggle { height: var(--nav-height); }

  .nav.open .nav-links {
    display: flex;
    order: 3;
    width: 100%;
    margin-left: 0;
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-1);
    padding-top: var(--space-2);
    border-top: 1px solid var(--gray-200);
  }

  .nav.open .nav-link {
    padding: var(--space-3);
    width: 100%;
  }
}

@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr 1fr;
    gap: var(--space-8);
  }
  .hero-inner { grid-template-columns: 1fr; gap: var(--space-12); }
  .hero-visual { max-width: 480px; margin: 0 auto; }
  .features { grid-template-columns: 1fr 1fr; }
  .workflow-steps { grid-template-columns: repeat(2, 1fr); gap: var(--space-10); }
  .workflow-line { display: none; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stat { border-right: none; }
  .stat:nth-child(1), .stat:nth-child(2) { border-bottom: 1px solid rgba(255, 255, 255, 0.1); padding-bottom: var(--space-6); }
}

@media (max-width: 768px) {
  .section { padding: var(--space-16) 0; }

  .nav.open {
    height: auto;
    background: var(--white);
    box-shadow: var(--shadow-lg);
  }

  .nav.open .nav-inner {
    flex-wrap: wrap;
    height: auto;
    padding-bottom: var(--space-4);
  }

  .nav.open .nav-brand,
  .nav.open .nav-toggle {
    height: var(--nav-height);
  }

  .nav.open .nav-links {
    display: flex;
    order: 3;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-1);
    padding-top: var(--space-2);
    border-top: 1px solid var(--gray-200);
  }

  .nav.open .nav-link {
    padding: var(--space-3);
    width: 100%;
  }


  .features { grid-template-columns: 1fr; }
  .audience { grid-template-columns: 1fr; }
  .testimonial-grid { grid-template-columns: 1fr; }
  .workflow-steps { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr; }
  .stat { border-right: none; border-bottom: 1px solid rgba(255, 255, 255, 0.1) !important; padding-bottom: var(--space-6); }
  .stat:last-child { border-bottom: none !important; }
  .two-col { grid-template-columns: 1fr; gap: var(--space-8); }
  .two-col.reversed { direction: ltr; }
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .cta-inner { padding: var(--space-10); }
  .hero-meta { flex-direction: column; gap: var(--space-4); }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; }
}