/* ===== Landing Page Styles ===== */

.landing-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  z-index: 100;
  transition: all var(--transition);
}

.landing-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

.logo-mark {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--color-primary) 0%, #3b82f6 100%);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 16px;
}

.logo-text {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 20px;
  color: var(--color-text-strong);
}

.logo-text span {
  color: var(--color-primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--sp-7);
  list-style: none;
}

.nav-links a {
  font-size: var(--text-small);
  font-weight: 500;
  color: var(--color-text-soft);
  transition: color var(--transition);
}

.nav-links a:hover {
  color: var(--color-primary);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

/* Hero */
.hero {
  padding-top: calc(var(--header-height) + 80px);
  padding-bottom: 80px;
  background: linear-gradient(180deg, var(--color-bg-gradient-a) 0%, var(--color-bg-gradient-b) 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(31, 111, 235, 0.08) 0%, transparent 70%);
  top: -100px;
  right: -100px;
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.06) 0%, transparent 70%);
  bottom: -50px;
  left: -50px;
  pointer-events: none;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-10);
  align-items: center;
  position: relative;
}

.hero-content {
  animation: fadeInUp 600ms ease;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  background: var(--color-accent-soft);
  color: var(--color-accent);
  padding: var(--sp-2) var(--sp-4);
  border-radius: var(--radius-pill);
  font-size: var(--text-tiny);
  font-weight: 600;
  margin-bottom: var(--sp-6);
}

.hero h1 {
  font-size: var(--text-hero);
  line-height: 1.15;
  margin-bottom: var(--sp-6);
  letter-spacing: -0.5px;
}

.hero h1 .highlight {
  background: linear-gradient(135deg, var(--color-primary) 0%, #3b82f6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: var(--text-body);
  color: var(--color-text-soft);
  line-height: 1.7;
  margin-bottom: var(--sp-8);
  max-width: 520px;
}

.hero-actions {
  display: flex;
  gap: var(--sp-4);
  flex-wrap: wrap;
}

.hero-visual {
  animation: fadeIn 800ms ease 200ms both;
}

.hero-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--sp-7);
  position: relative;
}

.hero-card::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: calc(var(--radius-lg) + 1px);
  background: linear-gradient(135deg, var(--color-primary-soft), var(--color-accent-soft));
  z-index: -1;
}

.phase-flow {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.phase-item {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  padding: var(--sp-3) var(--sp-4);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.phase-item:hover {
  background: var(--color-surface-soft);
}

.phase-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  flex-shrink: 0;
  position: relative;
}

.phase-dot::after {
  content: '';
  position: absolute;
  width: 2px;
  height: 20px;
  background: var(--color-border);
  left: 50%;
  top: 14px;
  transform: translateX(-50%);
}

.phase-item:last-child .phase-dot::after {
  display: none;
}

.phase-info {
  flex: 1;
}

.phase-name {
  font-size: var(--text-small);
  font-weight: 600;
  color: var(--color-text-strong);
}

.phase-desc {
  font-size: var(--text-tiny);
  color: var(--color-text-muted);
}

.phase-status {
  font-size: 12px;
  font-weight: 600;
  padding: var(--sp-1) var(--sp-3);
  border-radius: var(--radius-pill);
}

/* Stats */
.stats-section {
  padding: var(--sp-10) 0;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-7);
  text-align: center;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: var(--text-page);
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--sp-2);
}

.stat-label {
  font-size: var(--text-small);
  color: var(--color-text-muted);
}

/* Features */
.features-section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  max-width: var(--reading-width);
  margin: 0 auto var(--sp-10);
}

.section-header h2 {
  font-size: var(--text-page);
  margin-bottom: var(--sp-4);
}

.section-header p {
  font-size: var(--text-body);
  color: var(--color-text-soft);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-6);
}

.feature-card {
  padding: var(--sp-7);
  background: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}

.feature-card:hover {
  border-color: transparent;
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: var(--sp-5);
}

.feature-card h3 {
  font-size: var(--text-card);
  margin-bottom: var(--sp-3);
}

.feature-card p {
  font-size: var(--text-small);
  color: var(--color-text-soft);
  line-height: 1.6;
}

/* Process Section */
.process-section {
  padding: 100px 0;
  background: linear-gradient(180deg, var(--color-surface) 0%, var(--color-bg) 100%);
}

.process-timeline {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: var(--sp-4);
  margin-top: var(--sp-10);
  position: relative;
}

.process-timeline::before {
  content: '';
  position: absolute;
  top: 28px;
  left: 40px;
  right: 40px;
  height: 3px;
  background: var(--color-border);
  z-index: 0;
}

.process-step {
  text-align: center;
  position: relative;
  z-index: 1;
}

.process-number {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: var(--text-body);
  color: white;
  margin: 0 auto var(--sp-4);
  position: relative;
}

.process-step h4 {
  font-size: var(--text-small);
  margin-bottom: var(--sp-2);
}

.process-step p {
  font-size: var(--text-tiny);
  color: var(--color-text-muted);
}

/* Roles */
.roles-section {
  padding: 100px 0;
}

.roles-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-6);
}

.role-card {
  text-align: center;
  padding: var(--sp-7);
  background: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}

.role-card:hover {
  border-color: var(--color-primary-soft);
  box-shadow: var(--shadow-card);
}

.role-avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  margin: 0 auto var(--sp-4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
}

.role-card h4 {
  font-size: var(--text-body);
  margin-bottom: var(--sp-1);
}

.role-card .role-en {
  font-size: var(--text-tiny);
  color: var(--color-primary);
  margin-bottom: var(--sp-3);
}

.role-card p {
  font-size: var(--text-tiny);
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* Pricing */
.pricing-section {
  padding: 100px 0;
  background: var(--color-surface-soft);
}

.pricing-card {
  background: white;
  border-radius: var(--radius-md);
  padding: var(--sp-8);
  text-align: center;
  border: 2px solid var(--color-primary);
  box-shadow: 0 20px 60px rgba(31, 111, 235, 0.12);
  position: relative;
}

.pricing-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--color-primary), #3b82f6);
  color: white;
  padding: 4px 20px;
  border-radius: 999px;
  font-size: var(--text-tiny);
  font-weight: 700;
  letter-spacing: 0.5px;
}

.pricing-features {
  list-style: none;
  padding: 0;
  margin: 0;
  text-align: left;
}

.pricing-features li {
  padding: 8px 0;
  font-size: var(--text-small);
  color: var(--color-text-soft);
  border-bottom: 1px solid var(--color-border);
}

.pricing-features li:last-child {
  border-bottom: none;
}

/* CTA */
.cta-section {
  padding: 100px 0;
  background: linear-gradient(135deg, #1a365d 0%, #1f2a44 100%);
  color: white;
  text-align: center;
}

.cta-section h2 {
  font-size: var(--text-page);
  margin-bottom: var(--sp-4);
  color: white;
}

.cta-section p {
  font-size: var(--text-body);
  opacity: 0.8;
  margin-bottom: var(--sp-8);
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

.cta-actions {
  display: flex;
  justify-content: center;
  gap: var(--sp-4);
}

/* Footer */
.landing-footer {
  padding: var(--sp-10) 0 var(--sp-7);
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--sp-10);
  margin-bottom: var(--sp-9);
}

.footer-brand p {
  font-size: var(--text-small);
  color: var(--color-text-muted);
  margin-top: var(--sp-4);
  line-height: 1.6;
  max-width: 300px;
}

.footer-col h4 {
  font-size: var(--text-tiny);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-text-soft);
  margin-bottom: var(--sp-4);
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.footer-col a {
  font-size: var(--text-small);
  color: var(--color-text-muted);
}

.footer-col a:hover {
  color: var(--color-primary);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--sp-7);
  border-top: 1px solid var(--color-border);
  font-size: var(--text-tiny);
  color: var(--color-text-muted);
}

/* Responsive */
@media (max-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr;
    gap: var(--sp-9);
  }
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .process-timeline {
    grid-template-columns: repeat(4, 1fr);
  }
  .roles-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--sp-6);
  }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .features-grid { grid-template-columns: 1fr; }
  .process-timeline {
    grid-template-columns: 1fr;
    gap: var(--sp-6);
  }
  .process-timeline::before { display: none; }
  .roles-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .cta-actions { flex-direction: column; align-items: center; }
}