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

:root {
  --primary: #6C3CE1;
  --primary-light: #8B5CF6;
  --accent: #F59E0B;
  --dark: #1A1A2E;
  --dark-2: #16213E;
  --gray-900: #111827;
  --gray-700: #374151;
  --gray-500: #6B7280;
  --gray-300: #D1D5DB;
  --gray-100: #F3F4F6;
  --white: #FFFFFF;
  --radius: 12px;
  --shadow: 0 4px 24px rgba(108, 60, 225, 0.08);
  --shadow-lg: 0 12px 40px rgba(108, 60, 225, 0.15);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font: 'Inter', sans-serif;
}

html { scroll-behavior: smooth; }
body { font-family: var(--font); color: var(--gray-700); line-height: 1.7; background: var(--white); }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }
img { max-width: 100%; display: block; }
.container { max-width: 1140px; margin: 0 auto; padding: 0 20px; }

/* === Header === */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(255,255,255,0.95); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-100);
  padding: 16px 0; transition: var(--transition);
}
.header .container { display: flex; align-items: center; justify-content: space-between; }
.logo { font-size: 1.25rem; font-weight: 700; color: var(--dark); }
.logo span { color: var(--primary); }
.nav-links { display: flex; gap: 32px; }
.nav-links a { font-size: 0.9rem; font-weight: 500; color: var(--gray-700); }
.nav-links a:hover { color: var(--primary); }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--dark); margin: 6px 0; transition: var(--transition); }

/* === Hero === */
.hero {
  min-height: 100vh; display: flex; align-items: center;
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark-2) 50%, #0F3460 100%);
  padding: 120px 0 80px; position: relative; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; top: -50%; right: -20%; width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(108,60,225,0.3) 0%, transparent 70%);
  border-radius: 50%;
}
.hero::after {
  content: ''; position: absolute; bottom: -30%; left: -10%; width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(245,158,11,0.2) 0%, transparent 70%);
  border-radius: 50%;
}
.hero .container { position: relative; z-index: 1; }
.hero h1 { font-size: clamp(2.5rem, 5vw, 4rem); font-weight: 800; color: var(--white); line-height: 1.15; margin-bottom: 24px; }
.hero h1 .highlight { color: var(--accent); }
.hero p { font-size: 1.15rem; color: rgba(255,255,255,0.75); 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: 0.95rem;
  transition: var(--transition); border: none; cursor: pointer;
}
.btn-primary { background: var(--primary); color: var(--white); }
.btn-primary:hover { background: var(--primary-light); transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.btn-outline { border: 2px solid rgba(255,255,255,0.3); color: var(--white); background: transparent; }
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }
.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; }

/* === Sections === */
section { padding: 100px 0; }
.section-header { text-align: center; margin-bottom: 60px; }
.section-header h2 { font-size: 2.25rem; font-weight: 700; color: var(--dark); margin-bottom: 12px; }
.section-header p { color: var(--gray-500); max-width: 560px; margin: 0 auto; }
.section-tag {
  display: inline-block; font-size: 0.8rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: 2px; color: var(--primary); margin-bottom: 12px;
}

/* === About === */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-content h3 { font-size: 1.75rem; font-weight: 700; color: var(--dark); margin-bottom: 16px; }
.about-content p { margin-bottom: 20px; }
.about-visual {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  border-radius: var(--radius); padding: 48px; color: var(--white); position: relative;
}
.about-visual .stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.stat-item { text-align: center; }
.stat-item .number { font-size: 2.5rem; font-weight: 800; }
.stat-item .label { font-size: 0.85rem; opacity: 0.85; }

/* === Services === */
.services-section { background: var(--gray-100); }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.service-card {
  background: var(--white); border-radius: var(--radius); padding: 36px;
  transition: var(--transition); border: 1px solid transparent;
}
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--primary); }
.service-icon {
  width: 56px; height: 56px; border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  display: flex; align-items: center; justify-content: center; margin-bottom: 20px;
  color: var(--white); font-size: 1.5rem;
}
.service-card h4 { font-size: 1.15rem; font-weight: 600; color: var(--dark); margin-bottom: 10px; }
.service-card p { font-size: 0.9rem; color: var(--gray-500); }

/* === Contact === */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; }
.contact-info h3 { font-size: 1.75rem; font-weight: 700; color: var(--dark); margin-bottom: 16px; }
.contact-info p { margin-bottom: 32px; }
.contact-item { display: flex; gap: 16px; margin-bottom: 24px; align-items: flex-start; }
.contact-item-icon {
  width: 44px; height: 44px; border-radius: 10px; background: var(--gray-100);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
  color: var(--primary); font-size: 1.1rem;
}
.contact-item-text strong { display: block; font-size: 0.85rem; color: var(--dark); margin-bottom: 2px; }
.contact-item-text span { font-size: 0.9rem; color: var(--gray-500); }
.contact-form input, .contact-form textarea {
  width: 100%; padding: 14px 18px; border: 1px solid var(--gray-300); border-radius: 8px;
  font-family: var(--font); font-size: 0.95rem; margin-bottom: 16px;
  transition: var(--transition); outline: none;
}
.contact-form input:focus, .contact-form textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(108,60,225,0.1); }
.contact-form textarea { min-height: 140px; resize: vertical; }
.contact-form .btn { width: 100%; justify-content: center; }

/* === Footer === */
.footer {
  background: var(--dark); color: rgba(255,255,255,0.7); padding: 60px 0 24px;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer h4 { color: var(--white); font-size: 1rem; margin-bottom: 20px; }
.footer-brand p { margin-top: 12px; font-size: 0.9rem; line-height: 1.7; }
.footer-links a { display: block; font-size: 0.9rem; margin-bottom: 10px; }
.footer-links a:hover { color: var(--accent); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 24px; text-align: center; font-size: 0.85rem; }

/* === Legal Pages === */
.page-header {
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark-2) 100%);
  padding: 140px 0 60px; text-align: center;
}
.page-header h1 { font-size: 2.5rem; font-weight: 700; color: var(--white); }
.legal-content { padding: 60px 0; max-width: 800px; margin: 0 auto; }
.legal-content h3 { font-size: 1.25rem; font-weight: 600; color: var(--dark); margin: 32px 0 12px; }
.legal-content p { margin-bottom: 16px; font-size: 0.95rem; }
.legal-content a { color: var(--primary); }
.legal-content a:hover { text-decoration: underline; }

/* === Responsive === */
@media (max-width: 992px) {
  .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .nav-links { display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: var(--white); flex-direction: column; align-items: center; justify-content: center; gap: 24px; z-index: 999; }
  .nav-links.active { display: flex; }
  .nav-links a { font-size: 1.25rem; }
  .nav-toggle { display: block; z-index: 1001; }
  .services-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  section { padding: 60px 0; }
}