/* ==========================================================================
   Components
   Reusable patterns for buttons, cards, sections, navigation, etc.
   ========================================================================== */

/* -------------------------------------------------------------------------
   Layout Containers
   ------------------------------------------------------------------------- */

.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

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

/* -------------------------------------------------------------------------
   Sections
   ------------------------------------------------------------------------- */

.section {
  padding-block: var(--space-7);
}

.section--lg {
  padding-block: var(--space-8);
}

.section--alt {
  background-color: var(--surface-secondary);
}

/* -------------------------------------------------------------------------
   Scroll Animations
   ------------------------------------------------------------------------- */

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--transition-slower), transform var(--transition-slower);
}

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

/* Stagger delays for grid items */
.stagger-1 { transition-delay: 0ms; }
.stagger-2 { transition-delay: 100ms; }
.stagger-3 { transition-delay: 200ms; }
.stagger-4 { transition-delay: 300ms; }

/* -------------------------------------------------------------------------
   Buttons
   ------------------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.75rem 1.5rem;
  font-size: var(--text-body);
  font-weight: var(--weight-medium);
  line-height: 1;
  text-decoration: none;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition:
    transform var(--transition-fast),
    box-shadow var(--transition-fast),
    background-color var(--transition-fast);
}

.btn:focus-visible {
  outline: 2px solid var(--color-teal);
  outline-offset: 2px;
}

/* Button hover lift effect */
.btn:hover {
  transform: translateY(-2px) scale(1.02);
}

.btn:active {
  transform: translateY(0) scale(1);
}

/* Primary button */
.btn--primary {
  background-color: var(--color-teal);
  color: var(--color-white);
  box-shadow: var(--shadow-sm);
}

.btn--primary:hover {
  background-color: #0a5a6a;
  box-shadow: var(--shadow-md);
  color: var(--color-white);
}

/* Secondary button */
.btn--secondary {
  background-color: transparent;
  color: var(--text-primary);
  border: 1.5px solid var(--color-light-grey);
}

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

/* Ghost button (for dark backgrounds) */
.btn--ghost {
  background-color: transparent;
  color: var(--color-white);
  border: 1.5px solid rgba(255, 255, 255, 0.3);
}

.btn--ghost:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.5);
}

/* Large button */
.btn--lg {
  padding: 1rem 2rem;
  font-size: var(--text-body-lg);
}

/* -------------------------------------------------------------------------
   Cards
   ------------------------------------------------------------------------- */

.card {
  background-color: var(--surface-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  border: 1px solid var(--color-light-grey);
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base),
    border-color var(--transition-base);
}

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

.card__icon {
  width: 48px;
  height: 48px;
  margin-bottom: var(--space-3);
  color: var(--color-teal);
}

.card__title {
  font-size: var(--text-h3);
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-2);
  color: var(--text-primary);
}

.card__text {
  color: var(--text-secondary);
  line-height: var(--leading-body);
}

/* -------------------------------------------------------------------------
   Header / Navigation
   ------------------------------------------------------------------------- */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding-block: var(--space-3);
  background-color: var(--surface-primary);
  transition:
    background-color var(--transition-base),
    backdrop-filter var(--transition-base),
    box-shadow var(--transition-base);
}

/* Scrolled state - blur effect */
.site-header.is-scrolled {
  background-color: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.05);
}

[data-theme="dark"] .site-header.is-scrolled {
  background-color: rgba(23, 23, 23, 0.85);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.site-header__logo {
  display: flex;
  align-items: center;
}

.site-header__logo img {
  height: 1.75rem;
  width: auto;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}

.site-nav__link {
  color: var(--text-secondary);
  font-weight: var(--weight-medium);
  font-size: var(--text-body-sm);
  padding: var(--space-1) 0;
  position: relative;
  transition: color var(--transition-fast);
}

.site-nav__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-teal);
  transition: width var(--transition-base);
}

.site-nav__link:hover {
  color: var(--text-primary);
}

.site-nav__link:hover::after {
  width: 100%;
}

.site-nav__link--active {
  color: var(--text-primary);
}

.site-nav__link--active::after {
  width: 100%;
}

/* Theme toggle */
.theme-toggle {
  background: none;
  border: none;
  padding: var(--space-2);
  cursor: pointer;
  color: var(--text-secondary);
  border-radius: var(--radius-md);
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.theme-toggle:hover {
  color: var(--text-primary);
  background-color: var(--surface-secondary);
}

.theme-toggle svg {
  width: 20px;
  height: 20px;
  display: block;
}

.theme-toggle .icon-moon { display: block; }
.theme-toggle .icon-sun { display: none; }

[data-theme="dark"] .theme-toggle .icon-moon { display: none; }
[data-theme="dark"] .theme-toggle .icon-sun { display: block; }

/* Mobile nav toggle (hidden on desktop) */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  padding: var(--space-2);
  cursor: pointer;
  color: var(--text-secondary);
}

@media (max-width: 48rem) {
  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background-color: var(--surface-primary);
    padding: var(--space-4);
    border-bottom: 1px solid var(--color-light-grey);
    gap: var(--space-3);
    box-shadow: var(--shadow-lg);
  }

  .site-nav.is-open {
    display: flex;
  }

  .nav-toggle {
    display: block;
  }

  .site-header__inner {
    position: relative;
  }

  .site-nav__link::after {
    display: none;
  }
}

/* -------------------------------------------------------------------------
   Footer
   ------------------------------------------------------------------------- */

.site-footer {
  padding-block: var(--space-7);
  background-color: var(--surface-inverse);
  color: var(--text-tertiary);
}

[data-theme="dark"] .site-footer {
  background-color: #0f0f0f;
}

.site-footer a {
  color: var(--text-tertiary);
}

.site-footer a:hover {
  color: var(--text-inverse);
}

.site-footer__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
}

.site-footer__links {
  display: flex;
  gap: var(--space-5);
  list-style: none;
  padding: 0;
}

.site-footer__links li {
  margin: 0;
}

.site-footer__copyright {
  font-size: var(--text-body-sm);
}

/* -------------------------------------------------------------------------
   Hero Section
   ------------------------------------------------------------------------- */

.hero {
  position: relative;
  padding-top: calc(var(--header-height) + var(--space-8));
  padding-bottom: var(--space-8);
  min-height: 80vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

/* Topographic pattern backdrop */
.hero__backdrop {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.06;
  pointer-events: none;
}

.hero__backdrop svg {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Subtle parallax on scroll */
.hero__backdrop--parallax {
  will-change: transform;
}

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

.hero__title {
  font-size: var(--text-display);
  line-height: var(--leading-display);
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-tight);
  max-width: 16ch;
  margin-bottom: var(--space-4);
  color: var(--text-primary);
}

.hero__subtitle {
  font-size: var(--text-h3);
  font-weight: var(--weight-regular);
  color: var(--text-secondary);
  max-width: 48ch;
  margin-bottom: var(--space-5);
  line-height: var(--leading-tight);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

/* -------------------------------------------------------------------------
   Partner Badges
   ------------------------------------------------------------------------- */

.partner-badges {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-5);
}

.partner-badges img {
  height: 2rem;
  width: auto;
  opacity: 0.7;
  transition: opacity var(--transition-base);
}

.partner-badges img:hover {
  opacity: 1;
}

/* -------------------------------------------------------------------------
   Client Logos
   ------------------------------------------------------------------------- */

.logo-grid {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--space-6) var(--space-7);
}

.logo-grid img {
  height: 1.75rem;
  width: auto;
  opacity: 0.5;
  filter: grayscale(100%);
  transition: opacity var(--transition-base), filter var(--transition-base);
}

.logo-grid img:hover {
  opacity: 1;
  filter: grayscale(0%);
}

/* -------------------------------------------------------------------------
   Section Headers
   ------------------------------------------------------------------------- */

.section-header {
  margin-bottom: var(--space-6);
}

.section-header__label {
  display: block;
  font-size: var(--text-caption);
  color: var(--color-teal);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-2);
}

.section-header__title {
  font-size: var(--text-h2);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-tight);
  margin-bottom: var(--space-3);
}

.section-header__description {
  font-size: var(--text-body-lg);
  color: var(--text-secondary);
  max-width: 55ch;
}

/* -------------------------------------------------------------------------
   Feature List (Why Geo.me section)
   ------------------------------------------------------------------------- */

.feature-list {
  display: grid;
  gap: var(--space-6);
}

.feature-item {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}

.feature-item__icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background-color: var(--color-teal-light);
  color: var(--color-teal);
  display: flex;
  align-items: center;
  justify-content: center;
}

.feature-item__icon svg {
  width: 20px;
  height: 20px;
}

.feature-item__content {
  flex: 1;
}

.feature-item__title {
  font-size: var(--text-body-lg);
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-1);
  color: var(--text-primary);
}

.feature-item__text {
  color: var(--text-secondary);
}

/* -------------------------------------------------------------------------
   CTA Block
   ------------------------------------------------------------------------- */

.cta-block {
  text-align: center;
  padding-block: var(--space-8);
  background-color: var(--surface-secondary);
}

.cta-block__title {
  font-size: var(--text-h2);
  margin-bottom: var(--space-3);
  color: var(--text-primary);
}

.cta-block__text {
  font-size: var(--text-body-lg);
  color: var(--text-secondary);
  margin-bottom: var(--space-5);
  margin-inline: auto;
  max-width: 45ch;
}

/* -------------------------------------------------------------------------
   Forms
   ------------------------------------------------------------------------- */

.form-group {
  margin-bottom: var(--space-4);
}

.form-label {
  display: block;
  font-weight: var(--weight-medium);
  margin-bottom: var(--space-2);
  color: var(--text-primary);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--space-3);
  font-size: var(--text-body);
  border: 1px solid var(--color-light-grey);
  border-radius: var(--radius-md);
  background-color: var(--surface-primary);
  color: var(--text-primary);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-teal);
  box-shadow: 0 0 0 3px var(--color-teal-light);
}

.form-textarea {
  min-height: 10rem;
  resize: vertical;
}

/* Honeypot field (spam protection) */
.form-honeypot {
  position: absolute;
  left: -9999px;
}

/* -------------------------------------------------------------------------
   Grid Layouts
   ------------------------------------------------------------------------- */

.grid {
  display: grid;
  gap: var(--space-4);
}

.grid--2 {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 20rem), 1fr));
}

.grid--3 {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 18rem), 1fr));
}

/* -------------------------------------------------------------------------
   Prose (Long-form content)
   ------------------------------------------------------------------------- */

.prose > * + * {
  margin-top: var(--space-4);
}

.prose h2 {
  margin-top: var(--space-7);
}

.prose h3 {
  margin-top: var(--space-6);
}

.prose ul,
.prose ol {
  margin-top: var(--space-3);
}

/* -------------------------------------------------------------------------
   Stats / Numbers
   ------------------------------------------------------------------------- */

.stat {
  text-align: center;
}

.stat__value {
  font-size: var(--text-display);
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-tight);
  color: var(--color-teal);
  line-height: 1;
}

.stat__label {
  font-size: var(--text-body-sm);
  color: var(--text-tertiary);
  margin-top: var(--space-2);
}

/* -------------------------------------------------------------------------
   Dividers
   ------------------------------------------------------------------------- */

.divider {
  height: 1px;
  background-color: var(--color-light-grey);
  border: none;
  margin-block: var(--space-6);
}