*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
:root {
  --blue: #0055A5;
  --blue-dark: #003D7A;
  --blue-light: #E8F0FE;
  --blue-mid: #0077CC;
  --white: #ffffff;
  --black: #1a1a1a;
  --gray-50: #f8f9fa;
  --gray-100: #f0f2f5;
  --gray-200: #e0e3e8;
  --gray-300: #c0c5cc;
  --gray-400: #8a9099;
  --gray-500: #6b727d;
  --gray-600: #4a515e;
  --gray-700: #323842;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --max-width: 1200px;
  --nav-height: 72px;
}
html { scroll-behavior: smooth; }
body { font-family: var(--font-sans); color: var(--gray-700); background: var(--white); line-height: 1.7; -webkit-font-smoothing: antialiased; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; height: auto; display: block; }
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

/* === NAVIGATION === */
.navbar { position: fixed; top: 0; left: 0; right: 0; height: var(--nav-height); z-index: 1000; background: rgba(255,255,255,0.97); backdrop-filter: blur(10px); border-bottom: 1px solid var(--gray-200); }
.nav-container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; height: 100%; display: flex; align-items: center; justify-content: space-between; }
.nav-logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.3rem; color: var(--blue); letter-spacing: -0.5px; }
.nav-links { display: flex; gap: 4px; }
.nav-links a { padding: 8px 18px; border-radius: 6px; color: var(--gray-600); font-size: 0.9rem; font-weight: 500; transition: all 0.2s; }
.nav-links a:hover, .nav-links a.active { color: var(--blue); background: var(--blue-light); }
.burger { display: none; flex-direction: column; gap: 5px; cursor: pointer; background: none; border: none; padding: 5px; }
.burger span { width: 24px; height: 2px; background: var(--blue); border-radius: 2px; transition: all 0.3s; }

/* === HERO === */
.hero { min-height: 85vh; display: flex; align-items: center; position: relative; background: linear-gradient(135deg, #f8faff 0%, #e8f0fe 50%, #d4e4f7 100%); overflow: hidden; padding-top: var(--nav-height); }
.hero-content { position: relative; z-index: 1; width: 100%; }
.hero-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 60px; align-items: center; }
.hero h1 { font-size: 3.2rem; font-weight: 800; line-height: 1.15; color: var(--black); margin-bottom: 20px; letter-spacing: -1px; }
.hero h1 span { color: var(--blue); }
.hero p { font-size: 1.15rem; color: var(--gray-500); margin-bottom: 35px; max-width: 520px; line-height: 1.8; }
.hero-visual { display: flex; justify-content: center; }
.hero-shape { width: 380px; height: 380px; border-radius: 50%; background: linear-gradient(135deg, var(--blue) 0%, var(--blue-mid) 100%); display: flex; align-items: center; justify-content: center; box-shadow: 0 30px 80px rgba(0,85,165,0.25); position: relative; }
.hero-shape::before { content: ''; position: absolute; width: 100%; height: 100%; border-radius: 50%; border: 2px solid rgba(255,255,255,0.1); animation: pulse 3s ease-in-out infinite; }
@keyframes pulse { 0%, 100% { transform: scale(1); opacity: 0.5; } 50% { transform: scale(1.05); opacity: 0.2; } }
.hero-shape span { font-size: 4rem; font-weight: 900; color: white; font-family: var(--font-sans); letter-spacing: 2px; }

/* === BUTTONS === */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 14px 30px; border-radius: 8px; font-weight: 600; font-size: 0.95rem; transition: all 0.3s; }
.btn-primary { background: var(--blue); color: var(--white); }
.btn-primary:hover { background: var(--blue-dark); transform: translateY(-1px); box-shadow: 0 8px 25px rgba(0,85,165,0.25); }
.btn-outline { background: transparent; color: var(--blue); border: 2px solid var(--blue); }
.btn-outline:hover { background: var(--blue); color: var(--white); transform: translateY(-1px); }
.btn-sm { padding: 10px 20px; font-size: 0.85rem; }

/* === SECTIONS === */
.section { padding: 90px 0; }
.section-alt { background: var(--gray-50); }
.section-gray { background: var(--gray-50); }
.section-title { font-size: 2.2rem; font-weight: 800; color: var(--black); text-align: center; margin-bottom: 12px; letter-spacing: -0.5px; }
.section-subtitle { text-align: center; color: var(--gray-500); font-size: 1.05rem; margin-bottom: 55px; max-width: 600px; margin-left: auto; margin-right: auto; }
.section-header { margin-bottom: 50px; }

/* === SERVICES === */
.services-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.service-card { background: var(--white); border-radius: 14px; padding: 35px 28px; text-align: center; border: 1px solid var(--gray-200); transition: all 0.3s; }
.service-card:hover { transform: translateY(-4px); box-shadow: 0 12px 40px rgba(0,0,0,0.06); border-color: var(--blue); }
.service-icon { width: 60px; height: 60px; margin: 0 auto 18px; background: var(--blue-light); border-radius: 14px; display: flex; align-items: center; justify-content: center; font-size: 1.6rem; }
.service-card h3 { font-size: 1.05rem; font-weight: 700; color: var(--black); margin-bottom: 10px; }
.service-card p { font-size: 0.9rem; color: var(--gray-500); line-height: 1.6; }

/* === VALUES === */
.values-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.value-card { background: var(--white); border-radius: 14px; padding: 40px 30px; border: 1px solid var(--gray-200); text-align: center; }
.value-icon { width: 50px; height: 50px; margin: 0 auto 16px; background: var(--blue-light); border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 1.3rem; }
.value-card h3 { font-size: 1rem; font-weight: 700; color: var(--black); margin-bottom: 10px; }
.value-card p { font-size: 0.9rem; color: var(--gray-500); }

/* === REFERENCES === */
.refs-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.ref-card { background: var(--white); border-radius: 14px; overflow: hidden; border: 1px solid var(--gray-200); transition: all 0.3s; }
.ref-card:hover { transform: translateY(-3px); box-shadow: 0 12px 35px rgba(0,0,0,0.06); }
.ref-card-img { height: 200px; background: var(--gray-100); display: flex; align-items: center; justify-content: center; color: var(--gray-400); font-size: 0.9rem; position: relative; overflow: hidden; }
.ref-card-img img { width: 100%; height: 100%; object-fit: contain; padding: 20px; }
.ref-card-body { padding: 20px; }
.ref-card-body h3 { font-size: 1rem; font-weight: 700; color: var(--black); margin-bottom: 6px; }
.ref-card-body p { font-size: 0.85rem; color: var(--gray-500); margin-bottom: 12px; line-height: 1.5; }
.ref-tags { display: flex; gap: 6px; flex-wrap: wrap; }
.ref-tag { padding: 3px 10px; border-radius: 4px; font-size: 0.75rem; font-weight: 600; background: var(--blue-light); color: var(--blue); }

/* === ABOUT / TEAM === */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
.about-content p { font-size: 1.05rem; color: var(--gray-600); margin-bottom: 16px; line-height: 1.8; }
.about-content .highlight { font-weight: 600; color: var(--black); }
.team-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 40px; }
.team-card { text-align: center; }
.team-avatar { width: 100%; aspect-ratio: 1; border-radius: 12px; background: var(--gray-100); margin-bottom: 10px; display: flex; align-items: center; justify-content: center; font-size: 2rem; color: var(--gray-400); overflow: hidden; }
.team-avatar img { width: 100%; height: 100%; object-fit: cover; }
.team-card h4 { font-size: 0.9rem; font-weight: 700; color: var(--black); }

/* === BLOG === */
.articles-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.article-card { display: grid; grid-template-columns: 180px 1fr; background: var(--white); border-radius: 14px; overflow: hidden; border: 1px solid var(--gray-200); transition: all 0.3s; }
.article-card:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(0,0,0,0.05); }
.article-card-img { background: var(--gray-100); display: flex; align-items: center; justify-content: center; font-size: 2rem; color: var(--gray-400); overflow: hidden; }
.article-card-img img { width: 100%; height: 100%; object-fit: cover; }
.article-card-body { padding: 18px 20px; }
.article-card-body .article-tag { font-size: 0.75rem; font-weight: 600; color: var(--blue); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 6px; }
.article-card-body h3 { font-size: 0.95rem; font-weight: 700; color: var(--black); margin-bottom: 6px; line-height: 1.4; }
.article-card-body p { font-size: 0.85rem; color: var(--gray-500); line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }

/* === CONTACT === */
.contact-section { background: linear-gradient(135deg, var(--blue) 0%, var(--blue-dark) 100%); color: var(--white); }
.contact-section .section-title { color: var(--white); }
.contact-section .section-subtitle { color: rgba(255,255,255,0.7); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: start; }
.contact-info h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 20px; color: var(--white); }
.contact-info-item { display: flex; gap: 12px; margin-bottom: 14px; align-items: flex-start; }
.contact-info-item .ci-icon { font-size: 1.2rem; min-width: 30px; }
.contact-info-item p { font-size: 0.95rem; color: rgba(255,255,255,0.85); }
.contact-info-item a { color: rgba(255,255,255,0.85); transition: color 0.2s; }
.contact-info-item a:hover { color: var(--white); }
.contact-form { display: flex; flex-direction: column; gap: 14px; }
.contact-form input, .contact-form textarea { padding: 14px 16px; border-radius: 8px; border: none; font-family: var(--font-sans); font-size: 0.9rem; }
.contact-form textarea { min-height: 120px; resize: vertical; }
.contact-form .btn { align-self: flex-start; background: var(--white); color: var(--blue); }
.contact-form .btn:hover { background: var(--gray-50); }

/* === FOOTER === */
.footer { background: #111; padding: 60px 0 30px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; margin-bottom: 30px; }
.footer-brand h3 { font-size: 1.2rem; font-weight: 800; color: var(--white); margin-bottom: 8px; }
.footer-brand p { font-size: 0.85rem; color: var(--gray-400); margin-bottom: 4px; }
.footer-brand .footer-legal { font-size: 0.75rem; color: var(--gray-500); margin-top: 14px; }
.footer-col h4 { font-size: 0.9rem; font-weight: 700; color: var(--white); margin-bottom: 14px; text-transform: uppercase; letter-spacing: 1px; }
.footer-col a { display: block; font-size: 0.85rem; color: var(--gray-400); margin-bottom: 8px; transition: color 0.2s; }
.footer-col a:hover { color: var(--white); }
.footer-social { display: flex; gap: 10px; margin-top: 12px; }
.footer-social a { width: 36px; height: 36px; border-radius: 8px; background: rgba(255,255,255,0.06); display: flex; align-items: center; justify-content: center; font-size: 0.85rem; color: var(--gray-400); transition: all 0.2s; }
.footer-social a:hover { background: var(--blue); color: var(--white); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.06); padding-top: 20px; text-align: center; font-size: 0.8rem; color: var(--gray-500); }

/* === RESPONSIVE === */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .refs-grid { grid-template-columns: repeat(2, 1fr); }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .nav-links { display: none; position: absolute; top: var(--nav-height); left: 0; right: 0; background: var(--white); flex-direction: column; padding: 16px; border-bottom: 1px solid var(--gray-200); }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 16px; }
  .burger { display: flex; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero h1 { font-size: 2.2rem; }
  .hero-shape { width: 200px; height: 200px; }
  .hero-shape span { font-size: 2.5rem; }
  .services-grid { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr; }
  .refs-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .articles-grid { grid-template-columns: 1fr; }
  .article-card { grid-template-columns: 1fr; }
  .article-card-img { height: 120px; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .section { padding: 60px 0; }
  .section-title { font-size: 1.8rem; }
}
@media (max-width: 480px) {
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .hero h1 { font-size: 1.8rem; }
}