/* ============================================
   Layout — Thest.io
   ============================================ */

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

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

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

/* Main content offset for sticky header */
main {
  min-height: calc(100vh - var(--header-height));
}

/* Sections — generous vertical spacing */
.section {
  position: relative;
  padding: var(--space-4xl) 0;
}

.section--sm {
  padding: var(--space-3xl) 0;
}

.section--lg {
  padding: var(--space-5xl) 0;
}

.section--alt {
  background: var(--color-primary-light);
}

/* Section headers */
.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto var(--space-3xl);
}

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

.section-header p {
  font-size: var(--font-size-lg);
  max-width: 56ch;
  margin-left: auto;
  margin-right: auto;
  color: var(--color-copy);
}

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

.grid--2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid--3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid--4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.grid--auto {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

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

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

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

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

.flex--wrap {
  flex-wrap: wrap;
}

.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);
}

/* Shared page hero — clean, spacious */
.page-hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--header-height) + var(--space-4xl)) 0 var(--space-4xl);
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border-soft);
  color: var(--color-text);
  text-align: center;
}

.page-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 70% 20%, rgba(5, 150, 105, 0.06), transparent 50%),
    radial-gradient(ellipse at 20% 80%, rgba(8, 145, 178, 0.04), transparent 50%);
  pointer-events: none;
}

.page-hero .container {
  position: relative;
  z-index: 2;
}

.page-hero h1 {
  margin-bottom: var(--space-lg);
  color: var(--color-heading);
}

.page-hero p {
  font-size: var(--font-size-xl);
  color: var(--color-copy);
  max-width: 52ch;
  margin: 0 auto;
}

/* Shared CTA band — dark premium */
.cta-section {
  background: var(--gradient-premium);
  border-top: none;
  border-bottom: none;
  text-align: center;
  overflow: hidden;
  position: relative;
}

.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='0.03'%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");
  pointer-events: none;
}

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

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

.cta-section p {
  color: rgba(255, 255, 255, 0.75);
  font-size: var(--font-size-lg);
  max-width: 580px;
  margin: 0 auto var(--space-2xl);
}

.cta-section .btn--primary {
  background: #ffffff;
  color: var(--color-primary);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.cta-section .btn--primary:hover {
  background: rgba(255, 255, 255, 0.95);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

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

.cta-section .btn--secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: #ffffff;
}

/* Large screens */
@media (min-width: 1440px) {
  .container {
    max-width: 1280px;
  }

  .container--wide {
    max-width: 1440px;
  }

  .section {
    padding: var(--space-5xl) 0;
  }

  .page-hero {
    padding: calc(var(--header-height) + var(--space-5xl)) 0 var(--space-4xl);
  }
}

/* Responsive */
@media (max-width: 1100px) {
  .grid--4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

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

  .section {
    padding: var(--space-3xl) 0;
  }

  .section--lg {
    padding: var(--space-4xl) 0;
  }

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

  .section-header {
    margin-bottom: var(--space-2xl);
  }

  .page-hero {
    padding: calc(var(--header-height) + var(--space-2xl)) 0 var(--space-2xl);
  }
}

/* Section connectors */
.section[id] + .section[id]::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 48px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border-strong), transparent);
}