/* ============================================
   SELIN - Modern SaaS Website Styles
   Clean Light Design System
   ============================================ */

/* --- CSS Variables --- */
:root {
  /* Colors — Selin AI brand palette */
  --color-primary: #E8772E;
  --color-primary-light: #F5A623;
  --color-primary-dark: #D4621A;
  --color-primary-50: #FFF7ED;
  --color-primary-100: #FFEDD5;
  --color-secondary: #F5A623;
  --color-accent: #1E2A3A;

  --color-text: #1E2A3A;
  --color-text-secondary: #556275;
  --color-text-light: #8896A6;
  --color-heading: #0F1923;

  --color-bg: #FFFFFF;
  --color-bg-soft: #FAFBFC;
  --color-bg-muted: #F3F5F7;
  --color-border: #E5E9EF;
  --color-border-light: #F0F2F5;

  --color-success: #10B981;
  --color-warning: #F5A623;
  --color-error: #EF4444;

  /* AI-specific colors */
  --color-ai: #E8772E;
  --color-ai-glow: rgba(232, 119, 46, 0.15);
  --color-navy: #1E2A3A;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Spacing */
  --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: 6rem;

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.06), 0 2px 4px -2px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.08), 0 8px 10px -6px rgba(0,0,0,0.04);
  --shadow-glow: 0 0 40px rgba(232, 119, 46, 0.12);

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

  /* Layout */
  --container-max: 1200px;
  --container-narrow: 800px;
  --nav-height: 72px;
}

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

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;
  color: var(--color-text);
  background: var(--color-bg);
  overflow-x: hidden;
}

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

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

a:hover {
  color: var(--color-primary-dark);
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-heading);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }
h4 { font-size: 1.125rem; }

p {
  color: var(--color-text-secondary);
  line-height: 1.7;
}

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

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

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

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

.section__header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto var(--space-3xl);
}

.section__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 6px 14px;
  background: var(--color-primary-50);
  color: var(--color-primary);
  font-size: 0.8125rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-lg);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.section__title {
  margin-bottom: var(--space-md);
}

.section__subtitle {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  max-width: 560px;
  margin: 0 auto;
}

/* ============================================
   NAVIGATION
   ============================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.nav.scrolled {
  border-bottom-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 1.375rem;
  font-weight: 800;
  color: var(--color-heading);
  letter-spacing: -0.03em;
}

.nav__logo-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 900;
  font-size: 0.875rem;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  list-style: none;
}

.nav__link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
  position: relative;
}

.nav__link:hover,
.nav__link.active {
  color: var(--color-heading);
}

.nav__link.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-primary);
  border-radius: 1px;
}

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

.nav__lang {
  font-size: 0.6875rem;
  display: flex;
  gap: 0.5rem;
  align-items: center;
}
.nav__lang a {
  color: var(--color-text-light);
  text-decoration: none;
  font-weight: 600;
}
.nav__lang a:hover {
  color: var(--color-text);
}
.nav__lang a.active {
  color: var(--color-primary);
}

.nav__mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
  color: var(--color-text);
}

.nav__mobile-toggle svg {
  width: 24px;
  height: 24px;
}

/* Mobile nav */
.nav__mobile-menu {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-bg);
  padding: var(--space-xl);
  flex-direction: column;
  gap: var(--space-md);
  z-index: 999;
}

.nav__mobile-menu.open {
  display: flex;
}

.nav__mobile-menu a {
  display: block;
  padding: var(--space-md) 0;
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border-light);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 10px 20px;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.4;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn--primary {
  background: var(--color-primary);
  color: white;
  box-shadow: 0 1px 2px rgba(232, 119, 46, 0.3);
}

.btn--primary:hover {
  background: var(--color-primary-dark);
  color: white;
  box-shadow: 0 4px 12px rgba(232, 119, 46, 0.35);
  transform: translateY(-1px);
}

.btn--secondary {
  background: var(--color-bg);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn--secondary:hover {
  background: var(--color-bg-soft);
  color: var(--color-text);
  border-color: var(--color-text-light);
}

.btn--ghost {
  background: transparent;
  color: var(--color-text-secondary);
  padding: 10px 12px;
}

.btn--ghost:hover {
  color: var(--color-heading);
  background: var(--color-bg-muted);
}

.btn--large {
  padding: 14px 28px;
  font-size: 1rem;
  border-radius: var(--radius-lg);
}

.btn--small {
  padding: 6px 14px;
  font-size: 0.8125rem;
}

.btn svg {
  width: 18px;
  height: 18px;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  padding-top: calc(var(--nav-height) + var(--space-4xl));
  padding-bottom: var(--space-4xl);
  position: relative;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(232, 119, 46, 0.07), transparent),
    radial-gradient(ellipse 60% 40% at 80% 50%, rgba(245, 166, 35, 0.05), transparent);
}

.hero__content {
  text-align: center;
  max-width: 780px;
  margin: 0 auto;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 6px 16px;
  background: var(--color-primary-50);
  border: 1px solid var(--color-primary-100);
  color: var(--color-primary);
  font-size: 0.8125rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-xl);
}

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

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

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

.hero__title-gradient {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: 1.25rem;
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto var(--space-2xl);
  line-height: 1.7;
}

.hero__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
}

.hero__social-proof {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2xl);
  color: var(--color-text-light);
  font-size: 0.875rem;
}

.hero__social-proof-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.hero__social-proof-item strong {
  color: var(--color-heading);
  font-weight: 700;
}

/* Hero Dashboard Mockup */
.hero__visual {
  margin-top: var(--space-3xl);
  position: relative;
}

.hero__dashboard {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl), var(--shadow-glow);
  overflow: hidden;
  max-width: 1000px;
  margin: 0 auto;
}

.hero__dashboard-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 20px;
  background: var(--color-bg-soft);
  border-bottom: 1px solid var(--color-border);
}

.hero__dashboard-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.hero__dashboard-dot:nth-child(1) { background: #EF4444; }
.hero__dashboard-dot:nth-child(2) { background: #F59E0B; }
.hero__dashboard-dot:nth-child(3) { background: #10B981; }

.hero__dashboard-content {
  padding: 32px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.dashboard-card {
  background: var(--color-bg-soft);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: 20px;
}

.dashboard-card__label {
  font-size: 0.75rem;
  color: var(--color-text-light);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}

.dashboard-card__value {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-heading);
  letter-spacing: -0.02em;
}

.dashboard-card__change {
  font-size: 0.8125rem;
  font-weight: 600;
  margin-top: 4px;
}

.dashboard-card__change--up { color: var(--color-success); }
.dashboard-card__change--down { color: var(--color-error); }

.dashboard-chart {
  grid-column: 1 / -1;
  background: var(--color-bg-soft);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: 24px;
  height: 200px;
  display: flex;
  align-items: flex-end;
  gap: 6px;
}

.chart-bar {
  flex: 1;
  background: linear-gradient(to top, var(--color-primary), var(--color-secondary));
  border-radius: 4px 4px 0 0;
  min-height: 20px;
  opacity: 0.8;
  transition: opacity var(--transition-fast);
}

.chart-bar:hover { opacity: 1; }

/* ============================================
   STATS BAR
   ============================================ */
.stats {
  padding: var(--space-2xl) 0;
  border-top: 1px solid var(--color-border-light);
  border-bottom: 1px solid var(--color-border-light);
  background: var(--color-bg);
}

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

.stats__item {
  padding: var(--space-md);
}

.stats__number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-heading);
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.stats__label {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

/* ============================================
   FEATURES GRID
   ============================================ */
.features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.feature-card {
  padding: var(--space-2xl);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-bg);
  transition: all var(--transition-base);
}

.feature-card:hover {
  border-color: var(--color-primary-100);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.feature-card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
  font-size: 1.5rem;
}

.feature-card__icon--profit {
  background: linear-gradient(135deg, #DCFCE7, #BBF7D0);
  color: #16A34A;
}

.feature-card__icon--inventory {
  background: linear-gradient(135deg, #DBEAFE, #BFDBFE);
  color: #2563EB;
}

.feature-card__icon--returns {
  background: linear-gradient(135deg, #FEF3C7, #FDE68A);
  color: #D97706;
}

.feature-card__icon--shipping {
  background: linear-gradient(135deg, #FFF7ED, #FFEDD5);
  color: #E8772E;
}

.feature-card__icon--health {
  background: linear-gradient(135deg, #FCE7F3, #FBCFE8);
  color: #DB2777;
}

.feature-card__icon--filters {
  background: linear-gradient(135deg, #F3E8FF, #E9D5FF);
  color: #7C3AED;
}

.feature-card__icon--scout {
  background: linear-gradient(135deg, #CFFAFE, #A5F3FC);
  color: #0891B2;
}

.feature-card__icon--rank {
  background: linear-gradient(135deg, #FFF7ED, #FFEDD5);
  color: #EA580C;
}

.feature-card__title {
  margin-bottom: var(--space-sm);
}

.feature-card__text {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.feature-card__link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: var(--space-md);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary);
}

.feature-card__link:hover {
  gap: 8px;
}

/* ============================================
   FEATURE SHOWCASE (alternating sections)
   ============================================ */
.showcase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
  padding: var(--space-3xl) 0;
}

.showcase--reverse {
  direction: rtl;
}

.showcase--reverse > * {
  direction: ltr;
}

.showcase__content {
  max-width: 480px;
}

.showcase__badge {
  display: inline-flex;
  padding: 4px 12px;
  background: var(--color-primary-50);
  color: var(--color-primary);
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-lg);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.showcase__title {
  margin-bottom: var(--space-md);
}

.showcase__text {
  font-size: 1.0625rem;
  margin-bottom: var(--space-xl);
}

.showcase__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.showcase__list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
}

.showcase__list-icon {
  width: 22px;
  height: 22px;
  min-width: 22px;
  border-radius: 50%;
  background: var(--color-primary-50);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}

.showcase__list-icon svg {
  width: 12px;
  height: 12px;
}

.showcase__visual {
  background: var(--color-bg-soft);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 32px;
  min-height: 360px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ============================================
   PRICING
   ============================================ */
.pricing__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  max-width: 1000px;
  margin: 0 auto;
}

.pricing-card {
  padding: var(--space-2xl);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-bg);
  position: relative;
  transition: all var(--transition-base);
}

.pricing-card:hover {
  box-shadow: var(--shadow-lg);
}

.pricing-card--popular {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-glow);
}

.pricing-card__badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  padding: 4px 16px;
  background: var(--color-primary);
  color: white;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.pricing-card__name {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-heading);
  margin-bottom: var(--space-sm);
}

.pricing-card__desc {
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-bottom: var(--space-xl);
}

.pricing-card__price {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: var(--space-xl);
}

.pricing-card__currency {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-heading);
}

.pricing-card__amount {
  font-size: 3rem;
  font-weight: 800;
  color: var(--color-heading);
  letter-spacing: -0.03em;
  line-height: 1;
}

.pricing-card__period {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.pricing-card__features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border-light);
}

.pricing-card__features li {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
}

.pricing-card__features li svg {
  width: 18px;
  height: 18px;
  color: var(--color-success);
  flex-shrink: 0;
}

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

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
  background: linear-gradient(135deg, #1E2A3A, #2D3E50);
  padding: var(--space-4xl) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.cta-section__content {
  position: relative;
  z-index: 1;
}

.cta-section h2 {
  color: white;
  margin-bottom: var(--space-md);
}

.cta-section p {
  color: rgba(255,255,255,0.85);
  font-size: 1.125rem;
  max-width: 500px;
  margin: 0 auto var(--space-2xl);
}

.cta-section .btn--primary {
  background: white;
  color: var(--color-primary);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.cta-section .btn--primary:hover {
  background: var(--color-bg-soft);
  transform: translateY(-2px);
}

.cta-section .btn--secondary {
  background: transparent;
  color: white;
  border-color: rgba(255,255,255,0.3);
}

.cta-section .btn--secondary:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.5);
  color: white;
}

/* ============================================
   PROCESS / HOW IT WORKS
   ============================================ */
.process__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
  position: relative;
}

.process__grid::before {
  content: '';
  position: absolute;
  top: 32px;
  left: 12.5%;
  right: 12.5%;
  height: 2px;
  background: var(--color-border);
  z-index: 0;
}

.process-step {
  text-align: center;
  position: relative;
  z-index: 1;
}

.process-step__number {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--color-bg);
  border: 2px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-lg);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-primary);
  transition: all var(--transition-base);
}

.process-step:hover .process-step__number {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
}

.process-step__title {
  margin-bottom: var(--space-sm);
}

.process-step__text {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

/* ============================================
   CONTACT FORM
   ============================================ */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-3xl);
  align-items: start;
}

.contact__info h3 {
  margin-bottom: var(--space-md);
}

.contact__info p {
  margin-bottom: var(--space-xl);
}

.contact__detail {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) 0;
}

.contact__detail-icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  border-radius: var(--radius-md);
  background: var(--color-primary-50);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact__detail-text {
  font-size: 0.9375rem;
}

.contact__detail-text strong {
  display: block;
  color: var(--color-heading);
  font-weight: 600;
}

.contact__detail-text span {
  color: var(--color-text-secondary);
}

.contact-form {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
}

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

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

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-heading);
  margin-bottom: var(--space-sm);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 10px 14px;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  color: var(--color-text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(232, 119, 46, 0.1);
}

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

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-text-light);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--color-bg-soft);
  border-top: 1px solid var(--color-border);
  padding: var(--space-3xl) 0 var(--space-xl);
}

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

.footer__brand p {
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-top: var(--space-md);
  max-width: 280px;
}

.footer__col h4 {
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-light);
  font-weight: 700;
  margin-bottom: var(--space-lg);
}

.footer__col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer__col a {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

.footer__col a:hover {
  color: var(--color-heading);
}

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border);
  font-size: 0.8125rem;
  color: var(--color-text-light);
}

.footer__bottom-links {
  display: flex;
  gap: var(--space-lg);
}

.footer__bottom-links a {
  color: var(--color-text-light);
  font-size: 0.8125rem;
}

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

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

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

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .features__grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .pricing-card:last-child {
    grid-column: 1 / -1;
    max-width: 400px;
    margin: 0 auto;
  }

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

@media (max-width: 768px) {
  :root {
    --space-4xl: 4rem;
  }

  .nav__links,
  .nav__actions .btn--secondary {
    display: none;
  }

  .nav__mobile-toggle {
    display: block;
  }

  .hero__actions {
    flex-direction: column;
  }

  .hero__social-proof {
    flex-direction: column;
    gap: var(--space-md);
  }

  .hero__dashboard-content {
    grid-template-columns: 1fr;
    padding: 20px;
  }

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

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

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

  .showcase--reverse {
    direction: ltr;
  }

  .pricing__grid {
    grid-template-columns: 1fr;
    max-width: 420px;
  }

  .pricing-card:last-child {
    max-width: none;
  }

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

  .process__grid::before {
    display: none;
  }

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

  .form-row {
    grid-template-columns: 1fr;
  }

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

  .footer__bottom {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-md);
  }

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

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

/* ============================================
   PAGE-SPECIFIC: Features Page
   ============================================ */
.page-header {
  padding-top: calc(var(--nav-height) + var(--space-3xl));
  padding-bottom: var(--space-3xl);
  text-align: center;
  background: var(--color-bg-soft);
  border-bottom: 1px solid var(--color-border-light);
}

.page-header__title {
  margin-bottom: var(--space-md);
}

.page-header__subtitle {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  max-width: 560px;
  margin: 0 auto;
}

/* ============================================
   TESTIMONIALS
   ============================================ */
.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.testimonial-card {
  padding: var(--space-2xl);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-bg);
}

.testimonial-card__stars {
  color: #F59E0B;
  font-size: 1.125rem;
  margin-bottom: var(--space-md);
  letter-spacing: 2px;
}

.testimonial-card__text {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  font-style: italic;
  margin-bottom: var(--space-lg);
  line-height: 1.7;
}

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

.testimonial-card__avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary-100), var(--color-primary-50));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--color-primary);
  font-size: 0.875rem;
}

.testimonial-card__name {
  font-weight: 600;
  color: var(--color-heading);
  font-size: 0.9375rem;
}

.testimonial-card__role {
  font-size: 0.8125rem;
  color: var(--color-text-light);
}

@media (max-width: 768px) {
  .testimonials__grid {
    grid-template-columns: 1fr;
  }
}