/* =============================================
   RobustX — Landing Page Styles
   Brand Color: #2D3748 (Dark Navy)
   Accent: #4A6CF7 (Electric Blue)
   ============================================= */

/* ----- Reset & Base ----- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --navy: #2D3748;
  --navy-dark: #1A202C;
  --navy-mid: #3D4A5C;
  --blue: #4A6CF7;
  --blue-light: #6B8BFF;
  --blue-dark: #3355DD;
  --cyan: #06B6D4;
  --white: #FFFFFF;
  --gray-50: #F8FAFF;
  --gray-100: #EEF2FF;
  --gray-200: #E2E8F0;
  --gray-400: #94A3B8;
  --gray-600: #64748B;
  --text: #1E293B;
  --text-light: #64748B;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 24px;
  --shadow: 0 4px 24px rgba(45,55,72,0.10);
  --shadow-lg: 0 12px 48px rgba(45,55,72,0.18);
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Pretendard', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 100px 0; }

/* ----- Section Headers ----- */
.section-label {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--blue);
  background: rgba(74,108,247,0.10);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 16px;
}
.section-label.light { color: rgba(255,255,255,0.8); background: rgba(255,255,255,0.15); }

.section-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  line-height: 1.2;
  color: var(--navy-dark);
  margin-bottom: 16px;
}
.section-title .accent { color: var(--blue); }

.section-desc {
  font-size: 17px;
  color: var(--text-light);
  max-width: 560px;
}

.section-header.center { text-align: center; }
.section-header.center .section-desc { margin: 0 auto; }

/* ----- Buttons ----- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 30px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 600;
  transition: var(--transition);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--blue), var(--blue-dark));
  color: var(--white);
  box-shadow: 0 4px 20px rgba(74,108,247,0.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(74,108,247,0.45);
}

.btn-ghost {
  background: rgba(255,255,255,0.12);
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.35);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover {
  background: rgba(255,255,255,0.22);
  border-color: rgba(255,255,255,0.7);
  color: var(--white);
  transform: translateY(-2px);
}

.btn-full { width: 100%; justify-content: center; }

/* =============================================
   HEADER / NAV
   ============================================= */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 18px 0;
  transition: var(--transition);
}

.header.scrolled {
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(16px);
  box-shadow: 0 2px 20px rgba(45,55,72,0.10);
  padding: 12px 0;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo { height: 38px; width: auto; }

.nav-list {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--white);
  padding: 8px 16px;
  border-radius: 8px;
  transition: var(--transition);
}

.header.scrolled .nav-link { color: var(--navy); }

.nav-link:hover {
  background: rgba(255,255,255,0.15);
  color: var(--white);
}
.header.scrolled .nav-link:hover {
  background: var(--gray-100);
  color: var(--blue);
}

.nav-link.nav-cta {
  background: var(--blue);
  color: var(--white) !important;
  padding: 8px 20px;
}
.nav-link.nav-cta:hover {
  background: var(--blue-dark);
  transform: translateY(-1px);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}
.header.scrolled .hamburger span { background: var(--navy); }

/* =============================================
   HERO
   ============================================= */
.hero {
  min-height: 100vh;
  background: linear-gradient(145deg, #1A202C 0%, #2D3748 50%, #3D4A5C 100%);
  position: relative;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  overflow: hidden;
}

.hero-bg { position: absolute; inset: 0; pointer-events: none; }

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(74,108,247,0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(74,108,247,0.07) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.25;
}
.orb1 { width: 500px; height: 500px; background: var(--blue); top: -100px; right: -100px; }
.orb2 { width: 300px; height: 300px; background: var(--cyan); bottom: -50px; left: 10%; }
.orb3 { width: 200px; height: 200px; background: var(--blue-light); top: 40%; left: 50%; }

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

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  padding: 8px 18px;
  border-radius: 100px;
  margin-bottom: 28px;
  font-size: 13px;
  color: rgba(255,255,255,0.85);
  font-weight: 500;
  backdrop-filter: blur(8px);
}

.badge-dot {
  width: 8px; height: 8px;
  background: #22C55E;
  border-radius: 50%;
  box-shadow: 0 0 8px #22C55E;
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.3); }
}

.hero-title {
  font-size: clamp(36px, 6vw, 72px);
  font-weight: 900;
  line-height: 1.1;
  color: var(--white);
  margin-bottom: 24px;
  display: flex;
  flex-direction: column;
}

.title-line { display: block; }
.title-line.highlight {
  background: linear-gradient(135deg, var(--blue-light), var(--cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: clamp(16px, 2vw, 18px);
  color: rgba(255,255,255,0.7);
  line-height: 1.8;
  margin-bottom: 36px;
}
.hero-sub strong { color: rgba(255,255,255,0.95); }

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}

.stat-item { text-align: left; }
.stat-num {
  display: block;
  font-size: 36px;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
}
.stat-plus, .stat-unit { font-size: 20px; color: var(--blue-light); }
.stat-label { font-size: 13px; color: rgba(255,255,255,0.55); margin-top: 4px; }
.stat-divider { width: 1px; height: 40px; background: rgba(255,255,255,0.15); }

.hero-scroll {
  position: absolute;
  bottom: 36px; left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.4);
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.scroll-line {
  width: 1px; height: 40px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.4), transparent);
  animation: scroll-anim 2s infinite;
}
@keyframes scroll-anim {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* =============================================
   ABOUT
   ============================================= */
.about { background: var(--white); }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 440px;
}

.bg-circle {
  position: absolute;
  border-radius: 50%;
}
.c1 {
  width: 340px; height: 340px;
  background: linear-gradient(135deg, var(--gray-100), var(--gray-50));
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
}
.c2 {
  width: 280px; height: 280px;
  background: linear-gradient(135deg, rgba(74,108,247,0.06), rgba(6,182,212,0.06));
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  border: 2px solid rgba(74,108,247,0.1);
}

.about-card-main {
  position: relative;
  z-index: 2;
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px 40px;
  text-align: center;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-200);
}
.about-logo { height: 52px; width: auto; margin: 0 auto 12px; }
.about-card-label {
  font-size: 13px;
  color: var(--text-light);
  font-weight: 500;
}

.floating-tag {
  position: absolute;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 100px;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 600;
  color: var(--navy);
  box-shadow: var(--shadow);
  white-space: nowrap;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 6px;
}
.floating-tag i { color: var(--blue); }
.tag1 { top: 10%; left: -5%; animation: float1 4s ease-in-out infinite; }
.tag2 { top: 12%; right: -5%; animation: float2 4.5s ease-in-out infinite; }
.tag3 { bottom: 12%; left: 0%; animation: float1 5s ease-in-out infinite; }

@keyframes float1 {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
@keyframes float2 {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(10px); }
}

.about-features {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 28px;
}

.feature-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.feature-icon {
  width: 42px; height: 42px;
  background: linear-gradient(135deg, var(--blue), var(--blue-dark));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 16px;
  flex-shrink: 0;
}
.feature-item strong { font-size: 15px; color: var(--navy-dark); display: block; margin-bottom: 4px; }
.feature-item p { font-size: 14px; color: var(--text-light); }

.about-desc {
  font-size: 16px;
  color: var(--text-light);
  line-height: 1.8;
  margin-bottom: 16px;
}

/* =============================================
   PHILOSOPHY
   ============================================= */
.philosophy { background: var(--gray-50); }

.philosophy-split {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 40px;
  align-items: stretch;
  margin-top: 56px;
}

.philo-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}
.philo-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }

.philo-card.robust::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--navy), var(--navy-mid));
}
.philo-card.x-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
}

.philo-letter {
  font-size: 80px;
  font-weight: 900;
  line-height: 1;
  margin-bottom: 20px;
  opacity: 0.06;
  position: absolute;
  top: 20px; right: 30px;
  color: var(--navy);
}

.philo-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--blue);
  background: rgba(74,108,247,0.1);
  padding: 4px 12px;
  border-radius: 100px;
  margin-bottom: 12px;
}

.philo-content h3 {
  font-size: 26px;
  font-weight: 800;
  color: var(--navy-dark);
  margin-bottom: 16px;
}
.philo-content p {
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.8;
  margin-bottom: 24px;
}

.philo-list { display: flex; flex-direction: column; gap: 10px; }
.philo-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 500;
  color: var(--navy);
}
.philo-list li i { color: var(--blue); font-size: 12px; }

.philo-divider {
  display: flex;
  align-items: center;
  justify-content: center;
}
.philo-x {
  width: 60px; height: 60px;
  background: linear-gradient(135deg, var(--navy), var(--navy-mid));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  font-weight: 900;
  color: var(--white);
  box-shadow: 0 4px 20px rgba(45,55,72,0.3);
  flex-shrink: 0;
}

/* =============================================
   PLATFORMS
   ============================================= */
.platforms { background: var(--white); }

.platforms-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  margin-top: 56px;
}

.platform-card {
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200);
  overflow: hidden;
  background: var(--white);
  box-shadow: var(--shadow);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.platform-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.platform-card.featured {
  border-color: var(--blue);
  box-shadow: 0 4px 24px rgba(74,108,247,0.15);
}

.platform-top {
  padding: 32px 32px 0;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.platform-icon-wrap {
  width: 64px; height: 64px;
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
}
.platform-icon-wrap.mystic {
  background: linear-gradient(135deg, #4C1D95, #7C3AED);
  color: var(--white);
}
.platform-icon-wrap.japan {
  background: linear-gradient(135deg, #BE123C, #E11D48);
  color: var(--white);
}

.platform-badge {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 100px;
}
.platform-badge.coming {
  background: var(--gray-100);
  color: var(--text-light);
}
.platform-badge.featured-badge {
  background: linear-gradient(135deg, var(--blue), var(--blue-dark));
  color: var(--white);
}

.platform-body { padding: 20px 32px; flex: 1; }

.platform-name {
  font-size: 22px;
  font-weight: 800;
  color: var(--navy-dark);
  margin-bottom: 6px;
}
.platform-sub {
  font-size: 13px;
  color: var(--blue);
  font-weight: 600;
  margin-bottom: 14px;
}
.platform-desc {
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.7;
  margin-bottom: 20px;
}

.platform-features {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.pf-tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  font-weight: 600;
  background: var(--gray-100);
  color: var(--navy);
  padding: 5px 12px;
  border-radius: 100px;
}
.pf-tag i { color: var(--blue); font-size: 11px; }

.platform-footer { padding: 20px 32px 28px; }

.platform-progress { }
.progress-label {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text-light);
  margin-bottom: 8px;
}
.progress-bar {
  height: 6px;
  background: var(--gray-100);
  border-radius: 100px;
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--navy), var(--navy-mid));
  border-radius: 100px;
  transition: width 1.5s ease;
}
.progress-fill.featured-fill {
  background: linear-gradient(90deg, var(--blue), var(--cyan));
}

.platforms-more {
  margin-top: 28px;
}

/* AI Banner */
.ai-banner {
  background: linear-gradient(135deg, var(--navy-dark) 0%, #2a3a5c 100%);
  border-radius: var(--radius-lg);
  padding: 36px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  position: relative;
  overflow: hidden;
}
.ai-banner::before {
  content: '';
  position: absolute;
  top: -60px; right: -60px;
  width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(74,108,247,0.25), transparent 70%);
  pointer-events: none;
}
.ai-banner-left {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  flex: 1;
  min-width: 260px;
}
.ai-icon-wrap {
  width: 56px; height: 56px;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--white);
  flex-shrink: 0;
  box-shadow: 0 4px 16px rgba(74,108,247,0.4);
}
.ai-banner-left strong {
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
  display: block;
  margin-bottom: 8px;
}
.ai-banner-left p {
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  line-height: 1.7;
}
.ai-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}
.ai-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  color: rgba(255,255,255,0.85);
  padding: 8px 16px;
  border-radius: 100px;
  white-space: nowrap;
}
.ai-tag i { color: var(--cyan); }

/* =============================================
   VALUES
   ============================================= */
.values { background: var(--gray-50); }

.values-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 56px;
}

.value-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 36px 28px;
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow);
  position: relative;
  transition: var(--transition);
}
.value-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(74,108,247,0.3);
}

.value-num {
  font-size: 52px;
  font-weight: 900;
  color: var(--gray-100);
  line-height: 1;
  margin-bottom: 16px;
  font-family: 'Inter', sans-serif;
}

.value-icon {
  width: 48px; height: 48px;
  background: linear-gradient(135deg, var(--blue), var(--blue-dark));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--white);
  margin-bottom: 16px;
}

.value-card h4 {
  font-size: 18px;
  font-weight: 700;
  color: var(--navy-dark);
  margin-bottom: 10px;
}
.value-card p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.7;
}

/* =============================================
   VISION
   ============================================= */
.vision {
  background: linear-gradient(145deg, #1A202C 0%, #2D3748 60%, #3D4A5C 100%);
  overflow: hidden;
}

.vision-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.vision-title {
  font-size: clamp(30px, 4vw, 50px);
  font-weight: 900;
  color: var(--white);
  line-height: 1.15;
  margin-bottom: 24px;
}
.vision-accent {
  background: linear-gradient(135deg, var(--blue-light), var(--cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.vision-desc {
  font-size: 16px;
  color: rgba(255,255,255,0.65);
  line-height: 1.9;
  margin-bottom: 40px;
}
.vision-desc strong { color: rgba(255,255,255,0.95); }

.vision-milestones { display: flex; flex-direction: column; gap: 20px; }
.milestone {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}
.ms-dot {
  width: 14px; height: 14px;
  border-radius: 50%;
  background: rgba(255,255,255,0.2);
  flex-shrink: 0;
  margin-top: 4px;
  border: 2px solid rgba(255,255,255,0.2);
}
.ms-dot.active { background: #22C55E; border-color: #22C55E; box-shadow: 0 0 10px #22C55E; }
.ms-dot.current { background: var(--blue); border-color: var(--blue); box-shadow: 0 0 10px var(--blue); animation: pulse-dot 2s infinite; }

.milestone strong { font-size: 15px; color: var(--white); display: block; margin-bottom: 4px; }
.milestone p { font-size: 13px; color: rgba(255,255,255,0.5); }

/* --- Vision Orbital --- */
.vision-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.vision-orb-wrap {
  position: relative;
  width: 380px;
  height: 380px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.vision-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(74,108,247,0.25);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
}
.r1 { width: 160px; height: 160px; }
.r2 { width: 260px; height: 260px; animation: spin 20s linear infinite; border-color: rgba(74,108,247,0.15); border-style: dashed; }
.r3 { width: 360px; height: 360px; animation: spin-rev 30s linear infinite; border-color: rgba(6,182,212,0.15); border-style: dashed; }

@keyframes spin { to { transform: translate(-50%, -50%) rotate(360deg); } }
@keyframes spin-rev { to { transform: translate(-50%, -50%) rotate(-360deg); } }

.vision-center {
  width: 100px; height: 100px;
  background: rgba(255,255,255,0.06);
  border-radius: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255,255,255,0.12);
  z-index: 2;
  backdrop-filter: blur(8px);
}
.vision-logo { height: 48px; width: auto; filter: brightness(10); opacity: 0.9; }

.orbit-dot {
  position: absolute;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,0.07);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  border: 1px solid rgba(255,255,255,0.1);
  top: 50%; left: 50%;
}
.od1 { transform: translate(-50%, -50%) translate(0px, -130px); }
.od2 { transform: translate(-50%, -50%) translate(130px, 0px); }
.od3 { transform: translate(-50%, -50%) translate(0px, 130px); }
.od4 { transform: translate(-50%, -50%) translate(-130px, 0px); }

/* =============================================
   CONTACT
   ============================================= */
.contact { background: var(--white); }

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 56px;
  margin-bottom: 56px;
}
.contact-grid-single {
  grid-template-columns: 1fr;
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}

.contact-card {
  background: var(--gray-50);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  border: 1px solid var(--gray-200);
  transition: var(--transition);
}
.contact-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(74,108,247,0.3);
}

.contact-icon {
  width: 56px; height: 56px;
  background: linear-gradient(135deg, var(--blue), var(--blue-dark));
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--white);
  margin: 0 auto 16px;
}
.contact-card h4 { font-size: 17px; font-weight: 700; color: var(--navy-dark); margin-bottom: 6px; }
.contact-card p { font-size: 14px; color: var(--text-light); margin-bottom: 14px; }
.contact-link {
  font-size: 13px;
  color: var(--blue);
  font-weight: 600;
}
.contact-link:hover { text-decoration: underline; }

.contact-form-wrap {
  max-width: 680px;
  margin: 0 auto;
  background: var(--gray-50);
  border-radius: var(--radius-lg);
  padding: 48px 48px;
  border: 1px solid var(--gray-200);
}
.contact-form-wrap h3 {
  font-size: 24px;
  font-weight: 800;
  color: var(--navy-dark);
  margin-bottom: 28px;
  text-align: center;
}

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 8px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 13px 16px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-family: inherit;
  color: var(--text);
  background: var(--white);
  transition: var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(74,108,247,0.12);
}
.form-group textarea { resize: vertical; }

.form-success {
  display: none;
  text-align: center;
  padding: 40px;
}
.form-success.show { display: block; }
.form-success i {
  font-size: 48px;
  color: #22C55E;
  display: block;
  margin-bottom: 16px;
}
.form-success strong { font-size: 20px; color: var(--navy-dark); display: block; margin-bottom: 8px; }
.form-success p { color: var(--text-light); }

/* =============================================
   FOOTER
   ============================================= */
.footer {
  background: var(--navy-dark);
  color: rgba(255,255,255,0.75);
  padding: 72px 0 0;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 60px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-logo { height: 38px; width: auto; margin-bottom: 16px; filter: brightness(10); opacity: 0.85; }
.footer-tagline {
  font-size: 13px;
  color: rgba(255,255,255,0.45);
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
}
.footer-desc {
  font-size: 15px;
  color: rgba(255,255,255,0.6);
  line-height: 1.7;
  max-width: 320px;
  margin-bottom: 24px;
}

.footer-social {
  display: flex;
  gap: 12px;
}
.footer-social a {
  width: 40px; height: 40px;
  background: rgba(255,255,255,0.07);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  transition: var(--transition);
}
.footer-social a:hover {
  background: var(--blue);
  color: var(--white);
  transform: translateY(-2px);
}

.footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }

.footer-col h5 {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 16px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a {
  font-size: 14px;
  color: rgba(255,255,255,0.5);
  transition: var(--transition);
}
.footer-col a:hover { color: var(--white); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  padding: 28px 0;
  flex-wrap: wrap;
  gap: 16px;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.footer-corp {
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.corp-name {
  font-size: 14px;
  font-weight: 700;
  color: rgba(255,255,255,0.7);
}
.corp-info {
  font-size: 13px;
  color: rgba(255,255,255,0.35);
}
.corp-copy {
  font-size: 13px;
  color: rgba(255,255,255,0.3);
  margin-top: 2px;
}

.footer-bottom-links {
  display: flex;
  gap: 24px;
}
.footer-bottom-links a {
  color: rgba(255,255,255,0.3);
  transition: var(--transition);
}
.footer-bottom-links a:hover { color: rgba(255,255,255,0.7); }

/* =============================================
   SCROLL TOP
   ============================================= */
.scroll-top {
  position: fixed;
  bottom: 32px; right: 32px;
  width: 48px; height: 48px;
  background: linear-gradient(135deg, var(--blue), var(--blue-dark));
  color: var(--white);
  border: none;
  border-radius: 12px;
  font-size: 16px;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(74,108,247,0.4);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: var(--transition);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
}
.scroll-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.scroll-top:hover { transform: translateY(-3px); box-shadow: 0 8px 28px rgba(74,108,247,0.5); }

/* =============================================
   ANIMATIONS — Scroll Reveal
   ============================================= */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Delay variants */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 1024px) {
  .values-grid { grid-template-columns: repeat(2, 1fr); }
  .vision-orb-wrap { width: 280px; height: 280px; }
  .r3 { width: 260px; height: 260px; }
  .od1 { transform: translate(-50%, -50%) translate(0px, -105px); }
  .od2 { transform: translate(-50%, -50%) translate(105px, 0px); }
  .od3 { transform: translate(-50%, -50%) translate(0px, 105px); }
  .od4 { transform: translate(-50%, -50%) translate(-105px, 0px); }
}

@media (max-width: 768px) {
  .section { padding: 72px 0; }

  /* Nav */
  .nav-menu {
    position: fixed;
    top: 0; right: -100%;
    width: 280px; height: 100vh;
    background: var(--navy-dark);
    padding: 100px 32px 32px;
    transition: var(--transition);
    z-index: 999;
  }
  .nav-menu.open { right: 0; }
  .nav-list { flex-direction: column; align-items: flex-start; gap: 4px; }
  .nav-link { color: var(--white) !important; font-size: 16px; padding: 12px 16px; width: 100%; }
  .nav-link:hover { background: rgba(255,255,255,0.1) !important; }
  .hamburger { display: flex; z-index: 1001; }
  .hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
  .hamburger.active span:nth-child(2) { opacity: 0; }
  .hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

  /* About */
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .about-visual { min-height: 300px; }
  .floating-tag.tag2 { right: 0; }

  /* Philosophy */
  .philosophy-split { grid-template-columns: 1fr; }
  .philo-divider { order: 2; }
  .philo-x { width: 48px; height: 48px; font-size: 22px; }

  /* Platforms */
  .platforms-grid { grid-template-columns: 1fr; }

  /* Values */
  .values-grid { grid-template-columns: repeat(2, 1fr); }

  /* Vision */
  .vision-inner { grid-template-columns: 1fr; gap: 48px; }
  .vision-visual { order: -1; }
  .vision-orb-wrap { width: 240px; height: 240px; }
  .r2 { width: 200px; height: 200px; }
  .r3 { width: 230px; height: 230px; }
  .r1 { width: 120px; height: 120px; }
  .od1 { transform: translate(-50%, -50%) translate(0px, -85px); }
  .od2 { transform: translate(-50%, -50%) translate(85px, 0px); }
  .od3 { transform: translate(-50%, -50%) translate(0px, 85px); }
  .od4 { transform: translate(-50%, -50%) translate(-85px, 0px); }

  /* Contact */
  .contact-grid { grid-template-columns: 1fr; }
  .contact-form-wrap { padding: 28px 20px; }
  .form-row { grid-template-columns: 1fr; }

  /* Footer */
  .footer-top { grid-template-columns: 1fr; gap: 40px; }
  .footer-links { grid-template-columns: repeat(2, 1fr); }

  /* Hero */
  .hero-stats { gap: 20px; }
  .stat-divider { display: none; }
}

@media (max-width: 480px) {
  .values-grid { grid-template-columns: 1fr; }
  .footer-links { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .btn { width: 100%; justify-content: center; }
  .philo-card { padding: 32px 24px; }
}