/* ===================================
   COMPONENTS — Rett Forum 2026
   =================================== */

/* --- Nav (fixed top, blur background) --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(26, 43, 109, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 100;
  padding: 0.8rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.nav-logo {
  height: 36px;
  filter: brightness(0) invert(1);
}
.nav-links {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}
.nav-links a {
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  position: relative;
  transition: color var(--duration-fast) var(--ease-out);
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--pink);
  transition: width var(--duration-normal) var(--ease-out);
}
.nav-links a:hover::after,
.nav-links a:focus-visible::after {
  width: 100%;
}
.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--white);
  text-decoration: none;
}
.nav-links a.nav-active {
  color: var(--white);
  border-bottom: 2px solid var(--pink);
  padding-bottom: 0.15rem;
}
.nav-link-team {
  opacity: 0.7;
  border-left: 1px solid rgba(255, 255, 255, 0.3);
  padding-left: 1.5rem;
}
.nav-lang {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.85rem;
  border: 1px solid rgba(255, 255, 255, 0.3);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
  transition: all var(--duration-fast) var(--ease-out);
}
.nav-lang:hover {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
}
.nav-lang-slot {
  min-width: 40px;
  text-align: right;
  flex-shrink: 0;
}

/* Hamburger toggle (hidden on desktop) */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.25rem;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  margin: 5px 0;
  transition: transform var(--duration-normal) var(--ease-out),
              opacity var(--duration-normal) var(--ease-out);
}

/* --- Hero Section --- */
.hero {
  background: var(--gradient-hero);
  color: var(--white);
  text-align: center;
  padding: 10rem 2rem 6rem;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background:
    radial-gradient(circle at 20% 80%, rgba(214, 79, 160, 0.12) 0%, transparent 45%),
    radial-gradient(circle at 80% 20%, rgba(123, 79, 160, 0.10) 0%, transparent 50%),
    radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.06) 0%, transparent 55%);
  pointer-events: none;
  animation: heroMesh 20s var(--ease-in-out) infinite alternate;
}
/* Floating CSS blobs via box-shadow — stays within hero's overflow:hidden */
.hero-details::before {
  content: '';
  position: absolute;
  top: 15%;
  left: 10%;
  width: 1px;
  height: 1px;
  pointer-events: none;
  z-index: 0;
  border-radius: 50%;
  box-shadow:
    0 0 120px 80px rgba(26, 43, 109, 0.12),
    55vw -5vh 100px 70px rgba(123, 79, 160, 0.10),
    30vw 15vh 90px 60px rgba(214, 79, 160, 0.09);
  animation: blobFloat 20s var(--ease-in-out) infinite alternate;
}
@keyframes blobFloat {
  0%   { transform: translate(0, 0); }
  33%  { transform: translate(2vw, -1vh); }
  66%  { transform: translate(-1vw, 2vh); }
  100% { transform: translate(1vw, -1vh); }
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 80px;
  background: var(--white);
  clip-path: ellipse(55% 100% at 50% 100%);
  z-index: 2;
}
.hero-logo {
  max-width: 320px;
  height: auto;
  margin: 0 auto 2rem;
  position: relative;
  filter: brightness(0) invert(1);
}
.hero-tagline {
  font-size: 1.3rem;
  font-weight: 300;
  opacity: 0.9;
  max-width: 600px;
  margin: 0 auto 2.5rem;
  position: relative;
}
.hero-details {
  display: flex;
  justify-content: center;
  gap: 2.5rem;
  flex-wrap: wrap;
  position: relative;
  margin-bottom: 2.5rem;
}
.hero-detail {
  font-size: 1rem;
  opacity: 0.85;
}
.hero-detail strong {
  font-weight: 600;
  opacity: 1;
}
.hero-cta {
  display: inline-block;
  background: var(--white);
  color: var(--navy);
  font-weight: 600;
  padding: 0.8rem 2rem;
  border-radius: var(--radius-md);
  font-size: 1rem;
  text-decoration: none;
  position: relative;
  overflow: hidden;
  transition: transform var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out);
}
.hero-cta::after {
  content: ' \2192';
  display: inline-block;
  opacity: 0;
  transform: translateX(-8px);
  transition: opacity var(--duration-normal) var(--ease-out),
              transform var(--duration-normal) var(--ease-out);
}
.hero-cta:hover::after {
  opacity: 1;
  transform: translateX(4px);
}
.hero-cta:hover,
.hero-cta:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
  text-decoration: none;
  color: var(--navy);
}

/* --- Section / Section-alt (alternating backgrounds) --- */
.section {
  padding: var(--space-3xl) var(--space-xl);
}
.section-alt {
  background: linear-gradient(135deg, rgba(26, 43, 109, 0.03) 0%, rgba(123, 79, 160, 0.04) 50%, rgba(214, 79, 160, 0.03) 100%);
  position: relative;
}
.section-alt::before {
  content: '';
  position: absolute;
  top: -2px;
  left: 0;
  width: 100%;
  height: 50px;
  background: var(--white);
  clip-path: ellipse(55% 100% at 50% 0%);
  z-index: 1;
}
.section-alt::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 50px;
  background: var(--white);
  clip-path: ellipse(55% 100% at 50% 100%);
  z-index: 1;
}
.section-title {
  font-size: 2rem;
  color: var(--navy);
  text-align: center;
  margin-bottom: var(--space-md);
  font-weight: 700;
}
.section-subtitle {
  text-align: center;
  color: var(--gray-600);
  max-width: 650px;
  margin: 0 auto var(--space-2xl);
  font-size: 1.1rem;
}

/* --- Stats (animated stat cards with gradient numbers) --- */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-lg);
  margin: var(--space-xl) 0;
}
.stat {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: 2rem 1.5rem;
  text-align: center;
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  box-shadow: var(--glass-shadow);
  transition: transform var(--duration-normal) var(--ease-out),
              box-shadow var(--duration-normal) var(--ease-out),
              background var(--duration-normal) var(--ease-out),
              backdrop-filter var(--duration-normal) var(--ease-out);
}
.stat:hover {
  transform: translateY(-3px) rotate(0.3deg) scale(1.02);
  background: var(--glass-hover-bg);
  backdrop-filter: var(--glass-hover-blur);
  -webkit-backdrop-filter: var(--glass-hover-blur);
  box-shadow: var(--shadow-lg),
             0 0 0 1px rgba(123, 79, 160, 0.15),
             0 0 20px rgba(214, 79, 160, 0.08);
}
.stat-value {
  font-size: 2.5rem;
  font-weight: 700;
  background: var(--gradient-subtle);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-label {
  font-size: 0.9rem;
  color: var(--gray-600);
  margin-top: var(--space-xs);
}

/* --- Cards (card grid with hover lift/shadow) --- */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}
.card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 1.8rem;
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  box-shadow: var(--glass-shadow);
  transition: transform var(--duration-normal) var(--ease-out),
              box-shadow var(--duration-normal) var(--ease-out),
              border-color var(--duration-normal) var(--ease-out),
              background var(--duration-normal) var(--ease-out);
}
.card:hover {
  transform: translateY(-4px) rotate(0.3deg) scale(1.01);
  background: var(--glass-hover-bg);
  backdrop-filter: var(--glass-hover-blur);
  -webkit-backdrop-filter: var(--glass-hover-blur);
  box-shadow: var(--shadow-lg),
             0 0 0 1px rgba(123, 79, 160, 0.15),
             0 0 20px rgba(214, 79, 160, 0.08);
  border-color: rgba(123, 79, 160, 0.2);
}
.card-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 0.6rem;
}
.card p {
  color: var(--gray-600);
  font-size: 0.95rem;
}

/* --- Working Group Grid / Items --- */
.wg-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-md);
  margin-top: var(--space-xl);
}
.wg-item {
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
  padding: 1.2rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  box-shadow: var(--glass-shadow);
  transition: transform var(--duration-normal) var(--ease-out),
              box-shadow var(--duration-normal) var(--ease-out),
              background var(--duration-normal) var(--ease-out);
}
.wg-item:hover {
  transform: translateY(-2px) scale(1.01);
  background: var(--glass-hover-bg);
  box-shadow: var(--shadow-md),
             0 0 0 1px rgba(123, 79, 160, 0.12);
}
.wg-badge {
  display: inline-block;
  background: var(--gradient-subtle);
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
  margin-top: 0.15rem;
}
.wg-name {
  font-weight: 600;
  color: var(--navy);
  font-size: 0.95rem;
}

/* --- Timeline / Timeline-day --- */
.timeline {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}
.timeline-day {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  position: relative;
  overflow: hidden;
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  box-shadow: var(--glass-shadow);
  transition: transform var(--duration-normal) var(--ease-out),
              box-shadow var(--duration-normal) var(--ease-out),
              background var(--duration-normal) var(--ease-out);
}
.timeline-day::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient);
}
.timeline-day:hover {
  transform: translateY(-2px) scale(1.01);
  background: var(--glass-hover-bg);
  box-shadow: var(--shadow-lg),
             0 0 0 1px rgba(123, 79, 160, 0.12),
             0 0 16px rgba(214, 79, 160, 0.06);
}
.day-label {
  font-size: 0.85rem;
  color: var(--purple);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.3rem;
}
.day-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 0.8rem;
}
.day-desc {
  color: var(--gray-600);
  font-size: 0.95rem;
}

/* --- CTA Section (gradient CTA band) --- */
.cta-section {
  background: var(--gradient);
  color: var(--white);
  text-align: center;
  padding: var(--space-3xl) var(--space-xl);
}
.cta-section h2 {
  color: var(--white);
  font-size: 2rem;
  margin-bottom: var(--space-md);
}
.cta-section p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.1rem;
  margin-bottom: var(--space-xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}
.cta-buttons {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}
.cta-btn {
  padding: 0.8rem 2rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  position: relative;
  overflow: hidden;
  transition: transform var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out);
}
.cta-btn:hover {
  transform: translateY(-2px);
  text-decoration: none;
}
.cta-btn-primary::after {
  content: ' \2192';
  display: inline-block;
  opacity: 0;
  transform: translateX(-8px);
  transition: opacity var(--duration-normal) var(--ease-out),
              transform var(--duration-normal) var(--ease-out);
}
.cta-btn-primary:hover::after {
  opacity: 1;
  transform: translateX(4px);
}
.cta-btn-primary {
  background: var(--white);
  color: var(--navy);
}
.cta-btn-secondary {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255, 255, 255, 0.5);
}
.cta-btn-secondary:hover {
  border-color: var(--white);
  color: var(--white);
}

/* --- Footer (dark footer) --- */
.footer {
  text-align: center;
  padding: var(--space-2xl) var(--space-xl);
  background: var(--gray-900);
  color: var(--gray-400);
  font-size: 0.85rem;
}
.footer a {
  color: var(--gray-400);
  transition: color var(--duration-fast) var(--ease-out);
}
.footer a:hover {
  color: var(--white);
}
.footer-logo {
  height: 40px;
  filter: brightness(0) invert(1);
  opacity: 0.6;
  margin: 0 auto var(--space-md);
}