/**
 * Layout System - The Style Pulse
 */

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--color-pearl);
  overflow-x: hidden;
}

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

.container-narrow {
  max-width: var(--container-reading);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

/* Header */
.header {
  position: sticky;
  top: 0;
  height: var(--header-height);
  background: rgba(254, 253, 251, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-silver);
  z-index: var(--z-sticky);
}

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

.header-logo {
  font-family: var(--font-display);
  font-size: var(--font-size-2xl);
  font-weight: 400;
  color: var(--color-bordeaux);
  text-decoration: none;
  transition: opacity var(--transition-fast);
}

.header-logo:hover {
  opacity: 0.7;
  text-decoration: none;
}

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

.header-nav a {
  font-family: var(--font-ui);
  font-size: var(--font-size-sm);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-charcoal);
  transition: color var(--transition-fast);
}

.header-nav a:hover {
  color: var(--color-bordeaux);
  text-decoration: none;
}

.header-nav-active {
  color: var(--color-bordeaux) !important;
  border-bottom: 2px solid var(--color-bordeaux);
}

/* Hero Section */
.hero {
  min-height: calc(100vh - var(--header-height));
  display: flex;
  align-items: center;
  padding: var(--space-4xl) 0;
}

.hero-grid {
  display: grid;
  grid-template-columns: 60% 40%;
  gap: var(--space-4xl);
  align-items: center;
}

.hero-content {
  animation: fadeInUp 0.8s ease-out;
}

.hero-visual {
  position: relative;
  animation: fadeIn 1s ease-out 0.3s both;
}

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

.section-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

/* Grid Layouts */
.grid {
  display: grid;
  gap: var(--space-xl);
}

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

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

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

.grid-asymmetric {
  grid-template-columns: 2fr 1fr;
}

/* Flex Layouts */
.flex {
  display: flex;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.flex-gap-sm { gap: var(--space-sm); }
.flex-gap-md { gap: var(--space-md); }
.flex-gap-lg { gap: var(--space-lg); }
.flex-gap-xl { gap: var(--space-xl); }

/* Assessment Layout */
.assessment-layout {
  display: grid;
  grid-template-columns: var(--sidebar-width) 1fr;
  gap: var(--space-3xl);
  min-height: calc(100vh - var(--header-height));
}

.assessment-sidebar {
  position: sticky;
  top: calc(var(--header-height) + var(--space-xl));
  height: fit-content;
  padding: var(--space-xl);
  background: var(--color-pearl-dark);
  border-radius: var(--radius-lg);
}

.assessment-main {
  padding: var(--space-xl) 0;
}

/* Dashboard Layout */
.dashboard-header {
  padding: var(--space-3xl) 0;
  background: linear-gradient(135deg, var(--color-bordeaux) 0%, var(--color-bordeaux-dark) 100%);
  color: var(--color-pearl);
  margin-bottom: var(--space-3xl);
}

.dashboard-content {
  padding-bottom: var(--space-4xl);
}

/* Footer */
.footer {
  padding: var(--space-3xl) 0;
  background: var(--color-charcoal);
  color: var(--color-pearl);
}

.footer-content {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

.footer-column h6 {
  color: var(--color-champagne);
  margin-bottom: var(--space-md);
}

.footer-column a {
  color: var(--color-pearl);
  font-size: var(--font-size-sm);
  display: block;
  margin-bottom: var(--space-sm);
}

.footer-column a:hover {
  color: var(--color-champagne);
}

.footer-bottom {
  padding-top: var(--space-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  font-size: var(--font-size-sm);
  color: var(--color-slate);
}

/* Spacing Utilities */
.mt-0 { margin-top: 0; }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mt-2xl { margin-top: var(--space-2xl); }
.mt-3xl { margin-top: var(--space-3xl); }

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }
.mb-2xl { margin-bottom: var(--space-2xl); }
.mb-3xl { margin-bottom: var(--space-3xl); }

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.fade-in {
  animation: fadeIn 0.6s ease-out;
}

.fade-in-up {
  animation: fadeInUp 0.8s ease-out;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .assessment-layout {
    grid-template-columns: 1fr;
  }

  .assessment-sidebar {
    position: relative;
    top: 0;
  }
}

@media (max-width: 768px) {
  .container,
  .container-narrow {
    padding: 0 var(--space-md);
  }

  .header-inner {
    padding: 0 var(--space-md);
  }

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

  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

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

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

  .header-nav {
    gap: var(--space-md);
  }

  .header-nav a {
    font-size: var(--font-size-xs);
  }
}

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