/* site.css — Edge Collective Component Styles */

/* ============ HEADER ============ */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: oklch(from var(--color-bg) l c h / 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid oklch(from var(--color-text) l c h / 0.06);
  transition: box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.header--scrolled {
  box-shadow: var(--shadow-sm);
}
.header-inner {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding: var(--space-4) var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-text);
  transition: opacity var(--transition-interactive);
}
.logo:hover { opacity: 0.8; }
.logo svg { flex-shrink: 0; }
.logo-text {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.02em;
}

/* Desktop Nav */
.nav-desktop {
  display: none;
  gap: var(--space-8);
}
@media (min-width: 768px) {
  .nav-desktop { display: flex; }
}
.nav-link {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-interactive);
  padding: var(--space-2) 0;
}
.nav-link:hover { color: var(--color-text); }

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  transition: color var(--transition-interactive), background var(--transition-interactive);
}
.theme-toggle:hover {
  color: var(--color-text);
  background: var(--color-surface-offset);
}
.mobile-menu-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  color: var(--color-text);
  transition: opacity var(--transition-interactive);
}
.mobile-menu-btn:hover { opacity: 0.7; }
@media (min-width: 768px) {
  .mobile-menu-btn { display: none; }
}

/* Mobile Nav */
.nav-mobile {
  padding: var(--space-4) var(--space-6) var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  border-top: 1px solid var(--color-divider);
}
.nav-mobile[hidden] { display: none; }
.nav-mobile-link {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--color-text);
  text-decoration: none;
  padding: var(--space-3) var(--space-2);
  border-radius: var(--radius-md);
  transition: background var(--transition-interactive);
}
.nav-mobile-link:hover,
.nav-mobile-link:active {
  background: var(--color-surface-offset);
}

/* ============ HERO ============ */
.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 60%;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    oklch(from var(--color-bg) l c h / 0.7) 0%,
    oklch(from var(--color-bg) l c h / 0.55) 40%,
    oklch(from var(--color-bg) l c h / 0.8) 100%
  );
}
.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 860px;
  padding: var(--space-12) var(--space-6);
}
.hero-heading {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  color: var(--color-text);
  margin-bottom: var(--space-6);
  line-height: 1.1;
}
.hero-subtitle {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
  margin-bottom: var(--space-10);
  max-width: none;
}

/* Buttons */
.btn-accent-lg {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  color: #fff;
  background: var(--color-accent);
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-md);
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: background var(--transition-interactive), transform var(--transition-interactive), box-shadow var(--transition-interactive);
}
.btn-accent-lg:hover {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.btn-accent-lg:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

/* ============ SECTIONS ============ */
.section {
  padding: clamp(var(--space-12), 8vw, var(--space-24)) var(--space-6);
}
.section-alt {
  background: var(--color-surface-2);
}
.container {
  max-width: var(--content-wide);
  margin-inline: auto;
}
.section-header {
  text-align: center;
  margin-bottom: clamp(var(--space-10), 5vw, var(--space-16));
}
.overline {
  display: block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-3);
}
.section-heading {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}
.section-body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 60ch;
  margin-inline: auto;
  line-height: 1.7;
}

/* ============ MISSION CARDS ============ */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(300px, 100%), 1fr));
  gap: var(--space-6);
}
.card {
  background: var(--color-surface);
  border: 1px solid oklch(from var(--color-text) l c h / 0.06);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition: box-shadow var(--transition-interactive), border-color var(--transition-interactive);
}
.card:hover {
  box-shadow: var(--shadow-md);
  border-color: oklch(from var(--color-text) l c h / 0.1);
}
.card-icon {
  color: var(--color-accent);
  margin-bottom: var(--space-5);
}
.card-title {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}
.card-body {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* ============ PROCESS ============ */
.process-grid {
  display: grid;
  gap: var(--space-10);
  max-width: 720px;
  margin-inline: auto;
}
.process-phase {
  display: flex;
  gap: var(--space-6);
}
.process-marker {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-shrink: 0;
}
.process-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 700;
  flex-shrink: 0;
}
.process-line {
  width: 2px;
  flex: 1;
  background: var(--color-divider);
  margin-top: var(--space-3);
  border-radius: var(--radius-full);
  min-height: 24px;
}
.process-content {
  padding-top: var(--space-2);
  flex: 1;
}
.process-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 400;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}
.process-body {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
  margin-bottom: var(--space-5);
}
.process-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}
.process-tag {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-accent);
  background: var(--color-accent-highlight);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
}

/* ============ STATS ============ */
.stats-section {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(200px, 100%), 1fr));
  gap: var(--space-8);
  text-align: center;
}
.stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  color: var(--color-text-inverse);
  margin-bottom: var(--space-2);
}
[data-theme="dark"] .stats-section {
  background: var(--color-surface-2);
}
[data-theme="dark"] .stat-number {
  color: var(--color-accent);
}
[data-theme="dark"] .stats-section .stat-label {
  color: var(--color-text-muted);
}
.stat-label {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  opacity: 0.85;
}

/* ============ TEAM ============ */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(260px, 100%), 1fr));
  gap: var(--space-6);
}
.team-card {
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border: 1px solid oklch(from var(--color-text) l c h / 0.06);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow var(--transition-interactive), border-color var(--transition-interactive), transform var(--transition-interactive);
}
.team-card:hover {
  box-shadow: var(--shadow-md);
  border-color: oklch(from var(--color-text) l c h / 0.1);
  transform: translateY(-2px);
}
.team-photo {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  object-position: center top;
  background: var(--color-surface-offset);
}
.team-info {
  padding: var(--space-5) var(--space-5) var(--space-6);
  display: flex;
  flex-direction: column;
  flex: 1;
}
.team-name {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-1);
}
.team-specialty {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
  max-width: none;
}
.team-bg {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.6;
  max-width: none;
  flex: 1;
}
.team-linkedin {
  display: inline-flex;
  align-items: center;
  color: var(--color-text-faint);
  margin-top: var(--space-4);
  transition: color var(--transition-interactive);
  align-self: flex-start;
}
.team-linkedin:hover {
  color: #0a66c2;
}

/* ============ CTA / CONTACT ============ */
.section-cta {
  background: var(--color-surface-2);
  text-align: center;
}
.cta-content {
  max-width: 600px;
  margin-inline: auto;
}
.cta-heading {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}
.cta-subtitle {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
  max-width: none;
}
.cta-links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-6);
}
.cta-meta {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  align-items: center;
}
.cta-link {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-interactive);
}
.cta-link:hover { color: var(--color-accent); }

/* ============ FOOTER ============ */
.footer {
  border-top: 1px solid var(--color-divider);
  padding: var(--space-8) var(--space-6);
}
.footer-inner {
  max-width: var(--content-wide);
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-5);
  text-align: center;
}
@media (min-width: 768px) {
  .footer-inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text);
}
.footer-logo-text {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 700;
}
.footer-links {
  display: flex;
  gap: var(--space-6);
}
.footer-links a {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-interactive);
}
.footer-links a:hover { color: var(--color-text); }
.footer-copy {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  max-width: none;
}

/* ============ SCROLL ANIMATIONS ============ */
/* Elements start visible (no FOIC). JS adds .fade-ready when observer is set up. */
.fade-in {
  opacity: 1;
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.fade-ready .fade-in {
  opacity: 0;
}
.fade-ready .fade-in.is-visible {
  opacity: 1;
}

@media (prefers-reduced-motion: reduce) {
  .fade-ready .fade-in {
    opacity: 1;
  }
}

/* ============ RESPONSIVE ============ */
@media (max-width: 767px) {
  .hero { min-height: 70vh; }
  .hero-heading { font-size: clamp(1.75rem, 1rem + 3.5vw, 2.5rem); }
  .hero-content { padding: var(--space-8) var(--space-4); }
  .process-phase { flex-direction: column; }
  .process-marker { flex-direction: row; gap: var(--space-3); }
  .process-line { width: auto; height: 2px; flex: 1; margin-top: 0; min-height: auto; }
  .stats-grid { gap: var(--space-6); }
  .team-grid { grid-template-columns: 1fr; max-width: 360px; margin-inline: auto; }
  .section-header { text-align: center; }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .team-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .team-grid { grid-template-columns: repeat(4, 1fr); }
}

/* Ensure dark mode system preference fallback matches */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) .stats-section {
    background: var(--color-surface-2);
  }
  :root:not([data-theme]) .stat-number {
    color: var(--color-accent);
  }
  :root:not([data-theme]) .stats-section .stat-label {
    color: var(--color-text-muted);
  }
}