/* ===== RESET & VARIABLES ===== */
:root {
  --bg: #0a0a1a;
  --bg-card: rgba(255,255,255,0.04);
  --border: rgba(255,255,255,0.08);
  --text: #e2e8f0;
  --text-muted: #94a3b8;
  --accent: #6366f1;
  --accent2: #8b5cf6;
  --gradient: linear-gradient(135deg, #6366f1, #8b5cf6, #a855f7);
  --radius: 16px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
}

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

/* ===== UTILITIES ===== */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

.section { padding: 100px 0; }

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  text-align: center;
  margin-bottom: 16px;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-sub {
  text-align: center;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 60px;
  font-size: 1.1rem;
}

/* ===== NAVBAR ===== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 18px 0;
  background: rgba(10,10,26,0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: all 0.3s;
}

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

.logo {
  font-size: 1.4rem;
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links { display: flex; gap: 32px; align-items: center; }
.nav-links a {
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.3s;
  position: relative;
}
.nav-links a:hover, .nav-links a.active { color: #fff; }
.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0; right: 0;
  height: 2px;
  background: var(--gradient);
  border-radius: 2px;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
}
.hamburger span {
  width: 25px; height: 2px;
  background: #fff;
  transition: 0.3s;
}

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%; right: -20%;
  width: 800px; height: 800px;
  background: radial-gradient(circle, rgba(99,102,241,0.15) 0%, transparent 70%);
  border-radius: 50%;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%; left: -10%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(168,85,247,0.1) 0%, transparent 70%);
  border-radius: 50%;
}

.hero-content { position: relative; z-index: 1; }

.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(99,102,241,0.15);
  border: 1px solid rgba(99,102,241,0.3);
  border-radius: 50px;
  font-size: 0.85rem;
  color: var(--accent);
  margin-bottom: 24px;
  font-weight: 600;
}

.hero h1 {
  font-size: 4rem;
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 24px;
}

.hero h1 span {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.2rem;
  color: var(--text-muted);
  max-width: 560px;
  margin-bottom: 40px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.3s;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--gradient);
  color: #fff;
  box-shadow: 0 4px 20px rgba(99,102,241,0.4);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(99,102,241,0.5);
}

.btn-outline {
  background: transparent;
  color: #fff;
  border: 1px solid var(--border);
  margin-left: 16px;
}
.btn-outline:hover {
  background: rgba(255,255,255,0.05);
  border-color: var(--accent);
}

/* ===== CARDS ===== */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 32px;
  transition: all 0.3s;
  backdrop-filter: blur(10px);
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(99,102,241,0.3);
  box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

.card-icon {
  width: 60px; height: 60px;
  background: var(--gradient);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 24px;
}

.card h3 { font-size: 1.3rem; margin-bottom: 12px; font-weight: 700; }
.card p { color: var(--text-muted); font-size: 0.95rem; }

/* ===== GRID ===== */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }

/* ===== VISI MISI ===== */
.vm-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 48px 40px;
}

.vm-box h3 {
  font-size: 1.5rem;
  margin-bottom: 16px;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.vm-box p, .vm-box li { color: var(--text-muted); font-size: 1rem; }
.vm-box ul { margin-top: 12px; }
.vm-box li { padding: 6px 0; padding-left: 20px; position: relative; }
.vm-box li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent);
}

/* ===== FAQ ACCORDION ===== */
.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 16px;
  overflow: hidden;
  transition: all 0.3s;
}

.faq-item:hover { border-color: rgba(99,102,241,0.3); }

.faq-question {
  width: 100%;
  padding: 24px 32px;
  background: none;
  border: none;
  color: var(--text);
  font-size: 1.05rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font);
}

.faq-question::after {
  content: '+';
  font-size: 1.5rem;
  color: var(--accent);
  transition: transform 0.3s;
}

.faq-item.active .faq-question::after { transform: rotate(45deg); }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
  padding: 0 32px;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 32px 24px;
}

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

/* ===== CONTACT ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.contact-info-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 28px;
}

.contact-icon {
  width: 48px; height: 48px;
  min-width: 48px;
  background: var(--gradient);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.contact-info-item h4 { font-size: 1rem; margin-bottom: 4px; }
.contact-info-item p, .contact-info-item a {
  color: var(--text-muted);
  font-size: 0.95rem;
}
.contact-info-item a:hover { color: var(--accent); }

/* ===== FOOTER ===== */
.footer {
  border-top: 1px solid var(--border);
  padding: 40px 0;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* ===== PAGE HEADER ===== */
.page-header {
  padding: 160px 0 80px;
  text-align: center;
  position: relative;
}

.page-header::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 400px;
  background: radial-gradient(ellipse at top, rgba(99,102,241,0.1) 0%, transparent 70%);
}

.page-header h1 {
  font-size: 3rem;
  font-weight: 900;
  margin-bottom: 16px;
  position: relative;
}

.page-header h1 span {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-header p {
  color: var(--text-muted);
  max-width: 500px;
  margin: 0 auto;
  position: relative;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate { animation: fadeInUp 0.6s ease forwards; }
.delay-1 { animation-delay: 0.1s; opacity: 0; }
.delay-2 { animation-delay: 0.2s; opacity: 0; }
.delay-3 { animation-delay: 0.3s; opacity: 0; }
.delay-4 { animation-delay: 0.4s; opacity: 0; }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .hero h1 { font-size: 2.5rem; }
  .section-title { font-size: 1.8rem; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: rgba(10,10,26,0.98);
    flex-direction: column;
    padding: 24px;
    gap: 20px;
    border-bottom: 1px solid var(--border);
  }
  .nav-links.open { display: flex; }
  .hamburger { display: flex; }
  .btn-outline { margin-left: 0; margin-top: 12px; }
  .hero .btn { display: flex; width: 100%; justify-content: center; }
}