/* ============================================
   PT Menembus Batas Cahaya — Design System
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

/* ---------- CSS Custom Properties ---------- */
:root {
  /* Primary Palette */
  --color-bg-dark: #0a1628;
  --color-bg-deep: #0d1b2a;
  --color-bg-card: rgba(15, 30, 55, 0.7);
  --color-bg-glass: rgba(255, 255, 255, 0.05);
  --color-bg-glass-hover: rgba(255, 255, 255, 0.1);

  /* Accent Colors */
  --color-primary: #00d4ff;
  --color-primary-glow: rgba(0, 212, 255, 0.3);
  --color-secondary: #ffd700;
  --color-secondary-glow: rgba(255, 215, 0, 0.3);
  --color-accent-purple: #a855f7;
  --color-accent-pink: #ec4899;

  /* Text Colors */
  --color-text: #e2e8f0;
  --color-text-muted: #94a3b8;
  --color-text-bright: #ffffff;
  --color-text-heading: #f1f5f9;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #00d4ff, #a855f7);
  --gradient-gold: linear-gradient(135deg, #ffd700, #ff8c00);
  --gradient-hero: linear-gradient(135deg, #0a1628 0%, #1a1a3e 50%, #0d1b2a 100%);
  --gradient-card: linear-gradient(145deg, rgba(15, 30, 55, 0.8), rgba(10, 22, 40, 0.6));

  /* Borders */
  --border-glass: 1px solid rgba(255, 255, 255, 0.08);
  --border-glow: 1px solid rgba(0, 212, 255, 0.3);

  /* Shadows */
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 40px rgba(0, 212, 255, 0.15);
  --shadow-gold: 0 0 30px rgba(255, 215, 0, 0.2);

  /* Typography */
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* Container */
  --container-max: 1200px;
  --container-narrow: 800px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg-dark);
  color: var(--color-text);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-secondary);
}

/* ---------- Animated Background ---------- */
.bg-particles {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  overflow: hidden;
}

.bg-particles::before,
.bg-particles::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
  animation: floatBlob 20s ease-in-out infinite alternate;
}

.bg-particles::before {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.15), transparent);
  top: -100px;
  right: -100px;
}

.bg-particles::after {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(168, 85, 247, 0.12), transparent);
  bottom: -50px;
  left: -50px;
  animation-delay: -10s;
}

@keyframes floatBlob {
  0%   { transform: translate(0, 0) scale(1); }
  50%  { transform: translate(50px, -30px) scale(1.1); }
  100% { transform: translate(-30px, 50px) scale(0.95); }
}

/* ---------- Container ---------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.container--narrow {
  max-width: var(--container-narrow);
}

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-text-heading);
  line-height: 1.2;
  font-weight: 700;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.8rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.3rem, 3vw, 1.6rem); }

.section-title {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.section-title h2 {
  margin-bottom: var(--space-md);
  position: relative;
  display: inline-block;
}

.section-title h2::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
}

.section-title p {
  color: var(--color-text-muted);
  max-width: 600px;
  margin: var(--space-lg) auto 0;
  font-size: 1.05rem;
}

.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-gradient-gold {
  background: var(--gradient-gold);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 14px 32px;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn:hover::before {
  opacity: 1;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--color-bg-dark);
}

.btn-primary::before {
  background: linear-gradient(135deg, #00e5ff, #b97aff);
}

.btn-primary:hover {
  color: var(--color-bg-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid rgba(0, 212, 255, 0.4);
}

.btn-outline:hover {
  background: rgba(0, 212, 255, 0.1);
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-2px);
}

.btn-gold {
  background: var(--gradient-gold);
  color: var(--color-bg-dark);
}

.btn-gold:hover {
  color: var(--color-bg-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-gold);
}

/* ---------- Navigation ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: var(--space-lg) 0;
  transition: all var(--transition-base);
}

.navbar.scrolled {
  background: rgba(10, 22, 40, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: var(--border-glass);
  padding: var(--space-md) 0;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--color-text-bright);
  text-decoration: none;
}

.nav-logo:hover {
  color: var(--color-text-bright);
}

.nav-logo img {
  height: 40px;
  width: 40px;
  object-fit: contain;
}

.nav-logo .logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.nav-logo .logo-text .logo-sub {
  font-size: 0.65rem;
  font-weight: 400;
  color: var(--color-text-muted);
  letter-spacing: 2px;
  text-transform: uppercase;
}

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

.nav-links a {
  color: var(--color-text);
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
  padding: var(--space-xs) 0;
  transition: color var(--transition-fast);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  transition: width var(--transition-base);
}

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

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

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
  z-index: 1001;
}

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

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

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

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

/* ---------- Hero Section ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: var(--space-4xl) 0;
}

.hero::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.08), transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 8px 20px;
  background: var(--color-bg-glass);
  border: var(--border-glass);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  color: var(--color-primary);
  margin-bottom: var(--space-xl);
  backdrop-filter: blur(10px);
}

.hero-badge .dot {
  width: 8px;
  height: 8px;
  background: var(--color-primary);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.5; transform: scale(1.3); }
}

.hero h1 {
  margin-bottom: var(--space-lg);
  font-weight: 800;
}

.hero p {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-buttons {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: var(--space-3xl);
  margin-top: var(--space-4xl);
}

.hero-stat {
  text-align: center;
}

.hero-stat .stat-number {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-stat .stat-label {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-top: var(--space-xs);
}

/* ---------- Cards ---------- */
.glass-card {
  background: var(--gradient-card);
  border: var(--border-glass);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.3), transparent);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.glass-card:hover {
  border-color: rgba(0, 212, 255, 0.2);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.glass-card:hover::before {
  opacity: 1;
}

.card-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: rgba(0, 212, 255, 0.1);
  margin-bottom: var(--space-lg);
  font-size: 1.5rem;
}

.card-icon--gold {
  background: rgba(255, 215, 0, 0.1);
}

.card-icon--purple {
  background: rgba(168, 85, 247, 0.1);
}

.card-icon--pink {
  background: rgba(236, 72, 153, 0.1);
}

/* ---------- Grid Layouts ---------- */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
}

/* ---------- Sections ---------- */
.section {
  padding: var(--space-4xl) 0;
  position: relative;
}

.section--alt {
  background: rgba(0, 0, 0, 0.15);
}

/* ---------- Feature/Service Cards ---------- */
.service-card h3 {
  margin-bottom: var(--space-md);
}

.service-card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* ---------- Portfolio Grid ---------- */
.portfolio-item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 16 / 10;
  cursor: pointer;
}

.portfolio-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.portfolio-item:hover img {
  transform: scale(1.05);
}

.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10, 22, 40, 0.95) 0%, transparent 60%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-xl);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.portfolio-item:hover .portfolio-overlay {
  opacity: 1;
}

.portfolio-overlay h3 {
  font-size: 1.2rem;
  margin-bottom: var(--space-xs);
}

.portfolio-overlay p {
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

/* ---------- Contact Section ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
}

.contact-info-item {
  display: flex;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.contact-info-item .icon {
  width: 48px;
  height: 48px;
  min-width: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 212, 255, 0.1);
  border-radius: var(--radius-md);
  font-size: 1.2rem;
}

.contact-info-item h4 {
  margin-bottom: var(--space-xs);
  font-size: 1rem;
}

.contact-info-item p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

/* ---------- Form Styles ---------- */
.form-group {
  margin-bottom: var(--space-lg);
}

.form-group label {
  display: block;
  font-weight: 500;
  margin-bottom: var(--space-sm);
  color: var(--color-text);
  font-size: 0.9rem;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 14px 18px;
  background: var(--color-bg-glass);
  border: var(--border-glass);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-glow);
}

.form-group textarea {
  resize: vertical;
  min-height: 140px;
}

/* ---------- Footer ---------- */
.footer {
  background: rgba(0, 0, 0, 0.3);
  border-top: var(--border-glass);
  padding: var(--space-3xl) 0 var(--space-xl);
}

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

.footer-brand p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-top: var(--space-md);
  max-width: 300px;
}

.footer-links h4 {
  font-size: 0.95rem;
  margin-bottom: var(--space-lg);
  color: var(--color-text-bright);
}

.footer-links ul {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--space-sm);
}

.footer-links a {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  border-top: var(--border-glass);
  padding-top: var(--space-xl);
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

.footer-social {
  display: flex;
  gap: var(--space-md);
}

.footer-social a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-glass);
  border: var(--border-glass);
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  transition: all var(--transition-fast);
}

.footer-social a:hover {
  background: rgba(0, 212, 255, 0.1);
  border-color: rgba(0, 212, 255, 0.3);
  color: var(--color-primary);
}

/* ---------- Page Header (for inner pages) ---------- */
.page-header {
  padding: calc(var(--space-4xl) + 80px) 0 var(--space-3xl);
  background: var(--gradient-hero);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.06), transparent 70%);
  border-radius: 50%;
}

.page-header h1 {
  margin-bottom: var(--space-md);
  position: relative;
}

.page-header p {
  color: var(--color-text-muted);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
  position: relative;
}

.breadcrumb {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
  font-size: 0.85rem;
  color: var(--color-text-muted);
  position: relative;
}

.breadcrumb a {
  color: var(--color-primary);
}

.breadcrumb span {
  color: var(--color-text-muted);
}

/* ---------- Legal Pages ---------- */
.legal-content {
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding: var(--space-3xl) var(--space-xl);
}

.legal-content h2 {
  font-size: 1.4rem;
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-md);
  color: var(--color-primary);
}

.legal-content h3 {
  font-size: 1.15rem;
  margin-top: var(--space-xl);
  margin-bottom: var(--space-sm);
}

.legal-content p {
  margin-bottom: var(--space-md);
  color: var(--color-text-muted);
}

.legal-content ul, .legal-content ol {
  margin-bottom: var(--space-md);
  padding-left: var(--space-xl);
  color: var(--color-text-muted);
}

.legal-content li {
  margin-bottom: var(--space-sm);
}

.legal-content .last-updated {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  border-bottom: var(--border-glass);
  padding-bottom: var(--space-lg);
  margin-bottom: var(--space-2xl);
}

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

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-xl); }
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: rgba(10, 22, 40, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 100px var(--space-2xl) var(--space-2xl);
    border-left: var(--border-glass);
    transition: right var(--transition-base);
    gap: var(--space-lg);
  }

  .nav-links.active {
    right: 0;
  }

  .nav-links a {
    font-size: 1.1rem;
  }

  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr; }

  .hero-stats {
    gap: var(--space-xl);
    flex-wrap: wrap;
  }

  .hero-stat .stat-number {
    font-size: 2rem;
  }

  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }
}

@media (max-width: 480px) {
  :root {
    --space-xl: 1.25rem;
    --space-2xl: 2rem;
    --space-3xl: 2.5rem;
    --space-4xl: 3.5rem;
  }

  .container { padding: 0 var(--space-md); }

  h1 { font-size: 1.8rem; }
  h2 { font-size: 1.5rem; }
}

/* ---------- Utilities ---------- */
.text-center { text-align: center; }
.mb-0 { margin-bottom: 0; }
.mt-0 { margin-top: 0; }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }
.mb-2xl { margin-bottom: var(--space-2xl); }