/* ===== Header ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(11, 23, 47, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(20, 184, 166, 0.08);
  transition: background 0.3s;
}

.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 40px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  transition: opacity 0.2s;
}

.logo:hover { opacity: 0.8; }

.logo-icon {
  width: 34px;
  height: 34px;
  border-radius: 8px;
}

.logo-text {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--white);
}

.nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav a {
  color: var(--gray);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  transition: color 0.2s;
  position: relative;
}

.nav a::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--teal);
  transition: width 0.3s;
}

.nav a:hover { color: var(--white); }
.nav a:hover::after { width: 100%; }

.lang-toggle {
  background: transparent;
  border: 1px solid rgba(20, 184, 166, 0.4);
  color: var(--teal);
  padding: 5px 14px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  letter-spacing: 0.08em;
  transition: all 0.2s;
}

.lang-toggle:hover {
  background: var(--teal);
  color: var(--navy);
  border-color: var(--teal);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 40px 80px;
  overflow: hidden;
  background: var(--navy);
}

.hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 50%, rgba(11,23,47,0.2) 0%, var(--navy) 75%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 760px;
}

.hero-label {
  font-size: 0.85rem;
  color: var(--teal);
  letter-spacing: 0.15em;
  font-weight: 500;
  margin-bottom: 24px;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.8s ease 0.3s forwards;
}

.hero-tagline {
  font-size: clamp(2.2rem, 6vw, 4rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.2;
  background: linear-gradient(135deg, var(--white-pure) 0%, var(--gray-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 24px;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.8s ease 0.5s forwards;
}

.hero-sub {
  font-size: 1.05rem;
  color: var(--gray);
  margin-bottom: 48px;
  line-height: 1.9;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.8s ease 0.7s forwards;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.8s ease 0.9s forwards;
}

.btn {
  display: inline-block;
  padding: 14px 36px;
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: 6px;
  letter-spacing: 0.04em;
  transition: all 0.25s;
  cursor: pointer;
}

.btn-primary {
  background: var(--teal);
  color: var(--navy);
}

.btn-primary:hover {
  background: var(--teal-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(20, 184, 166, 0.3);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(240, 244, 248, 0.2);
}

.btn-outline:hover {
  border-color: var(--teal);
  color: var(--teal-light);
  transform: translateY(-2px);
}

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 0;
  right: 0;
  margin: 0 auto;
  width: fit-content;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  z-index: 2;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.8s ease 1.3s forwards;
}

.scroll-indicator span {
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--gray);
  font-weight: 500;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--teal), transparent);
  animation: scrollPulse 2s ease infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.5); transform-origin: top; }
  50% { opacity: 1; transform: scaleY(1); transform-origin: top; }
}

@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}

/* ===== Dividers ===== */
.divider {
  display: flex;
  justify-content: center;
  padding: 0 40px;
}

.divider-line {
  width: 100%;
  max-width: 1100px;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(20, 184, 166, 0.06) 10%,
    rgba(20, 184, 166, 0.3) 30%,
    var(--teal) 50%,
    rgba(20, 184, 166, 0.3) 70%,
    rgba(20, 184, 166, 0.06) 90%,
    transparent 100%
  );
  position: relative;
}

.divider-line::after {
  content: "";
  position: absolute;
  top: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 5px;
  background: radial-gradient(ellipse, rgba(20, 184, 166, 0.3), transparent);
  filter: blur(2px);
}

/* Accent line inside sections */
.accent-line {
  height: 1px;
  margin: 56px 0;
  background: linear-gradient(
    90deg,
    var(--teal) 0%,
    rgba(20, 184, 166, 0.2) 40%,
    transparent 100%
  );
}

/* ===== Section Common ===== */
.section-label {
  font-size: 0.75rem;
  color: var(--teal);
  letter-spacing: 0.2em;
  font-weight: 600;
  text-transform: uppercase;
  margin-bottom: 16px;
  text-align: center;
}

.section-title {
  text-align: center;
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: 0.03em;
  line-height: 1.5;
  margin-bottom: 36px;
  color: var(--white);
}

.section-title--left {
  text-align: left;
}