/* ===== Scroll Container (free scroll, no snap) ===== */
.snap-container {
  height: 100vh;
  overflow-y: auto;
  scroll-behavior: smooth;
}

.snap-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--section-padding);
  position: relative;
  overflow: hidden;
}

.section-content {
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

/* ===== Fixed Navigation ===== */
.fixed-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--section-padding);
  background: rgba(245, 245, 245, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition-medium);
}

.nav-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-svg {
  flex-shrink: 0;
  transition: transform var(--transition-fast);
}

.logo-svg:hover {
  transform: scale(1.05);
}

.company-name {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--color-text-primary);
}

.nav-center {
  display: flex;
  gap: 2rem;
}

.nav-link {
  font-size: 0.9rem;
  text-decoration: none;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
  padding: 4px 0;
  position: relative;
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--color-text-primary);
  transition: width var(--transition-medium);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-text-primary);
}

.nav-link.active::after {
  width: 100%;
}

.nav-right {
  display: flex;
  align-items: center;
}

#lang-toggle {
  background: rgba(0, 0, 0, 0.05);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 6px 14px;
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  letter-spacing: 0.05em;
}

#lang-toggle:hover {
  background: rgba(0, 0, 0, 0.08);
  color: var(--color-text-primary);
}

/* ===== Scroll Animation ===== */
.animate-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.animate-in:nth-child(1) {
  transition-delay: 0s;
}

.animate-in:nth-child(2) {
  transition-delay: 0.1s;
}

.animate-in:nth-child(3) {
  transition-delay: 0.2s;
}

.animate-in:nth-child(4) {
  transition-delay: 0.3s;
}