/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: #0b0f19;
  color: #e2e8f0;
  line-height: 1.6;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

/* ===== VARIABLES ===== */
:root {
  --accent: #00d4aa;
  --accent-dark: #00b894;
  --accent2: #7c5cff;
  --bg: #0b0f19;
  --card: rgba(255,255,255,0.04);
  --border: rgba(255,255,255,0.08);
  --text: #e2e8f0;
  --muted: #94a3b8;
}

/* ===== HEADER ===== */
header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(11,15,25,0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: all 0.3s ease;
}
.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo span {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.nav-links {
  display: flex;
  gap: 32px;
  align-items: center;
}
.nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--muted);
  transition: color 0.2s;
  position: relative;
}
.nav-links a:hover,
.nav-links a.active { color: #fff; }
.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: -6px; left: 0; right: 0;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.25s ease;
  border: none;
  cursor: pointer;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #0b0f19;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,212,170,0.35);
}
.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: #fff;
}
.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* Mobile menu */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.5rem;
  cursor: pointer;
}

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 24px 80px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -20%; right: -10%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(0,212,170,0.12) 0%, transparent 70%);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -10%; left: -5%;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(124,92,255,0.1) 0%, transparent 70%);
  pointer-events: none;
}
.hero-content {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
}
.hero-text h1 {
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -1px;
  margin-bottom: 24px;
}
.hero-text h1 span {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-text p {
  font-size: 1.15rem;
  color: var(--muted);
  max-width: 520px;
  margin-bottom: 36px;
}
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-visual {
  position: relative;
  height: 420px;
}
.pack-card {
  position: absolute;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  backdrop-filter: blur(12px);
  padding: 28px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.3);
  transition: transform 0.4s ease;
}
.pack-card:nth-child(1) {
  top: 0; left: 40px; width: 260px;
  transform: rotate(-4deg);
}
.pack-card:nth-child(2) {
  top: 120px; right: 20px; width: 240px;
  transform: rotate(5deg);
}
.pack-card:nth-child(3) {
  bottom: 20px; left: 80px; width: 220px;
  transform: rotate(-2deg);
}
.pack-card:hover { transform: rotate(0) scale(1.03); }
.pack-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; margin-bottom: 16px;
}
.pack-card h3 { font-size: 1.1rem; margin-bottom: 6px; }
.pack-card p { font-size: 0.9rem; color: var(--muted); }

/* ===== SECTIONS ===== */
section { padding: 100px 24px; }
.container { max-width: 1200px; margin: 0 auto; }
.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 60px;
}
.section-header h2 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 16px;
}
.section-header p { color: var(--muted); font-size: 1.1rem; }

/* ===== FEATURES / SERVICES ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
}
.feature-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 36px 28px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  opacity: 0;
  transition: opacity 0.3s;
}
.feature-card:hover {
  transform: translateY(-6px);
  border-color: rgba(0,212,170,0.3);
  box-shadow: 0 20px 40px rgba(0,0,0,0.25);
}
.feature-card:hover::before { opacity: 1; }
.feature-icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  background: rgba(0,212,170,0.12);
  color: var(--accent);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 22px;
}
.feature-card h3 { font-size: 1.25rem; margin-bottom: 12px; }
.feature-card p { color: var(--muted); font-size: 0.98rem; }

/* ===== ABOUT / STATS ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.about-content h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}
.about-content p {
  color: var(--muted);
  margin-bottom: 18px;
  font-size: 1.05rem;
}
.stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 36px;
}
.stat-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  text-align: center;
}
.stat-item strong {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 4px;
}
.stat-item span { font-size: 0.9rem; color: var(--muted); }

.about-visual {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 40px;
  position: relative;
}
.about-visual::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: 24px;
  background: linear-gradient(135deg, rgba(0,212,170,0.3), rgba(124,92,255,0.3));
  z-index: -1;
  opacity: 0.5;
}
.timeline { display: flex; flex-direction: column; gap: 28px; }
.timeline-item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}
.timeline-dot {
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--accent);
  margin-top: 6px;
  flex-shrink: 0;
  box-shadow: 0 0 0 4px rgba(0,212,170,0.2);
}
.timeline-item h4 { font-size: 1.05rem; margin-bottom: 4px; }
.timeline-item p { font-size: 0.92rem; color: var(--muted); }

/* ===== CTA ===== */
.cta {
  background: linear-gradient(135deg, rgba(0,212,170,0.08), rgba(124,92,255,0.08));
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  text-align: center;
}
.cta h2 { margin-bottom: 16px; }
.cta p { color: var(--muted); max-width: 520px; margin: 0 auto 32px; }

/* ===== CONTACT ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 50px;
}
.contact-info h3 { font-size: 1.4rem; margin-bottom: 24px; }
.info-item {
  display: flex;
  gap: 16px;
  margin-bottom: 28px;
}
.info-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: rgba(0,212,170,0.12);
  color: var(--accent);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  font-size: 1.2rem;
}
.info-item h4 { font-size: 0.95rem; margin-bottom: 4px; }
.info-item p, .info-item a { color: var(--muted); font-size: 0.95rem; }
.info-item a:hover { color: var(--accent); }

.contact-form {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 36px;
}
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 0.9rem;
  margin-bottom: 8px;
  color: var(--muted);
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 14px 16px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: #fff;
  font-size: 1rem;
  transition: border-color 0.2s;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent);
}
.form-group textarea { min-height: 130px; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* ===== FOOTER ===== */
footer {
  background: #070a12;
  border-top: 1px solid var(--border);
  padding: 60px 24px 30px;
}
.footer-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 50px;
}
.footer-brand p {
  color: var(--muted);
  font-size: 0.95rem;
  margin-top: 16px;
  max-width: 280px;
}
.footer-col h4 {
  font-size: 0.95rem;
  margin-bottom: 18px;
  color: #fff;
}
.footer-col a {
  display: block;
  color: var(--muted);
  font-size: 0.92rem;
  margin-bottom: 10px;
  transition: color 0.2s;
}
.footer-col a:hover { color: var(--accent); }
.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 30px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.9rem;
  color: var(--muted);
}

/* ===== PAGE HERO (inner pages) ===== */
.page-hero {
  padding: 140px 24px 80px;
  text-align: center;
  position: relative;
}
.page-hero h1 {
  font-size: clamp(2.2rem, 4.5vw, 3.2rem);
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 16px;
}
.page-hero p {
  color: var(--muted);
  font-size: 1.15rem;
  max-width: 560px;
  margin: 0 auto;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .hero-content { grid-template-columns: 1fr; text-align: center; }
  .hero-text p { margin-left: auto; margin-right: auto; }
  .hero-btns { justify-content: center; }
  .hero-visual { display: none; }
  .about-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .nav-links { display: none; }
  .menu-toggle { display: block; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px; left: 0; right: 0;
    background: #0b0f19;
    padding: 24px;
    border-bottom: 1px solid var(--border);
    gap: 20px;
  }
}
@media (max-width: 600px) {
  .footer-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr; }
}