/* ===== HEADER / NAV ===== */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--space-md) 0;
  transition: all var(--transition-base);
}

.header.scrolled {
  padding: var(--space-sm) 0;
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 1.5rem;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: var(--glass-border);
  border-radius: var(--radius-2xl);
  box-shadow: var(--glass-shadow), var(--glass-inset);
  transition: all var(--transition-base);
}

.header.scrolled .container {
  background: var(--glass-bg-strong);
  box-shadow: var(--glass-shadow-lg), var(--glass-inset);
}

.logo {
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.logo span {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

.nav-links a {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
  position: relative;
  padding: 0.3rem 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-2));
  transition: all var(--transition-base);
  border-radius: 2px;
  transform: translateX(-50%);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-text);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

/* Burger */

.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
}

.burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: var(--transition-base);
  border-radius: 2px;
}

.burger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.burger.active span:nth-child(2) {
  opacity: 0;
}

.burger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile nav */

.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(10, 10, 20, 0.97);
  backdrop-filter: blur(var(--glass-blur-strong));
  -webkit-backdrop-filter: blur(var(--glass-blur-strong));
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-2xl);
  /* iOS safe area: leave room for browser chrome top and bottom */
  padding-top: max(env(safe-area-inset-top), 80px);
  padding-bottom: max(env(safe-area-inset-bottom), 32px);
  overflow-y: auto;
}

.mobile-nav.active {
  display: flex;
}

.mobile-nav a {
  font-size: var(--text-3xl);
  font-weight: var(--weight-semibold);
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

.mobile-nav a:hover {
  color: var(--color-accent);
}

/* Ensure btn-primary inside mobile-nav keeps its proper text styling */
.mobile-nav .btn-primary {
  color: #0a0a14;
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  min-width: 160px;
  min-height: 48px; /* WCAG 2.2 / Apple HIG minimum touch target */
  justify-content: center;
}

.mobile-nav .btn-primary:hover {
  color: #0a0a14;
}

/* ===== BUTTONS ===== */

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.7rem 1.75rem;
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  position: relative;
}

.btn-primary,
.nav-links a.btn-primary,
.nav-links a.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-2));
  color: #0a0a14;
  font-weight: var(--weight-bold);
  box-shadow: 0 4px 20px rgba(129, 140, 248, 0.3),
              0 0 0 1px rgba(129, 140, 248, 0.15);
}

.btn-primary:hover,
.nav-links a.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-accent-hover), var(--color-accent-2));
  color: #0a0a14;
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(129, 140, 248, 0.4),
              0 0 0 1px rgba(129, 140, 248, 0.2);
}

.nav-links a.btn-primary {
  padding: 0.55rem 1.5rem;
  letter-spacing: 0.02em;
}

.nav-links a.btn-primary::after {
  display: none;
}

.btn-outline {
  background: var(--glass-bg);
  color: var(--color-text);
  border: var(--glass-border);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: var(--glass-shadow);
}

.btn-outline:hover {
  background: var(--glass-bg-strong);
  border-color: var(--color-border-glow);
  color: var(--color-accent);
  transform: translateY(-3px);
  box-shadow: var(--glass-shadow-lg);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-secondary);
  padding: 0.5rem 1rem;
}

.btn-ghost:hover {
  color: var(--color-accent);
}

/* ===== GLASS CARDS ===== */

.case-card {
  display: block;
  background: var(--glass-bg);
  border: var(--glass-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--transition-base);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  box-shadow: var(--glass-shadow), var(--glass-inset);
}

.case-card:hover {
  background: var(--glass-bg-strong);
  border-color: var(--color-border-glow);
  transform: translateY(-8px);
  box-shadow: var(--glass-shadow-lg),
              var(--glass-inset),
              0 0 40px rgba(129, 140, 248, 0.06);
  color: var(--color-text);
}

.case-card__image {
  width: 100%;
  aspect-ratio: 16 / 10;
  background: linear-gradient(135deg, rgba(129, 140, 248, 0.06), rgba(192, 132, 252, 0.06));
  overflow: hidden;
  position: relative;
}

.case-card__image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(255, 255, 255, 0.4));
}

.case-card__image img,
.case-card__image video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.case-card:hover .case-card__image img,
.case-card:hover .case-card__image video {
  transform: scale(1.05);
}

.case-card__image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: var(--text-4xl);
}

.case-card__body {
  padding: var(--space-xl);
}

.case-card__tags {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
  flex-wrap: wrap;
}

.tag {
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
  background: var(--color-accent-muted);
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border: 1px solid rgba(129, 140, 248, 0.12);
}

.case-card__title {
  font-size: var(--text-xl);
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-sm);
  color: var(--color-text);
}

.case-card__description {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  line-height: 1.7;
}

.case-card__meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border-subtle);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.case-card__arrow {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: var(--glass-border);
  background: var(--glass-bg-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-spring);
  font-size: var(--text-lg);
  color: var(--color-text-muted);
}

.case-card:hover .case-card__arrow {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-2));
  border-color: transparent;
  color: #ffffff;
  transform: translateX(4px);
}

/* ===== TEAM CARD ===== */

.team-card {
  background: var(--glass-bg);
  border: var(--glass-border);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  box-shadow: var(--glass-shadow), var(--glass-inset);
  transition: all var(--transition-base);
}

.team-card:hover {
  border-color: var(--color-border-glow);
  transform: translateY(-4px);
  box-shadow: var(--glass-shadow-lg),
              var(--glass-inset),
              0 0 40px rgba(129, 140, 248, 0.06);
}

.team-card__avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(129, 140, 248, 0.15), rgba(192, 132, 252, 0.15));
  border: 1px solid rgba(129, 140, 248, 0.18);
  margin-bottom: var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: var(--color-accent);
  overflow: hidden;
}

.team-card__avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.team-card__name {
  font-size: var(--text-xl);
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-xs);
  color: var(--color-text);
}

.team-card__role {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-md);
}

.team-card__bio {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  line-height: 1.7;
}

/* ===== FOOTER ===== */

.footer {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-top: var(--glass-border);
  padding: var(--space-4xl) 0 var(--space-2xl);
}

.footer__top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-3xl);
  margin-bottom: var(--space-3xl);
}

.footer__brand {
  max-width: 400px;
}

.footer__brand .logo {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-md);
}

.footer__slogan {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  line-height: 1.7;
}

.footer__links {
  display: flex;
  gap: var(--space-4xl);
}

.footer__column h4 {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-lg);
  color: var(--color-text);
}

.footer__column a {
  display: block;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
  transition: all var(--transition-fast);
}

.footer__column a:hover {
  color: var(--color-accent);
  transform: translateX(4px);
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-2xl);
  border-top: 1px solid var(--color-border-subtle);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* ===== STAT ===== */

.stat {
  text-align: center;
}

.stat__value {
  font-size: var(--text-4xl);
  font-weight: var(--weight-bold);
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: var(--space-sm);
}

.stat__label {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}