:root {
  --primary: #0b3d5c;
  --primary-dark: #062a40;
  --accent: #14b8a6;
  --accent-light: #5eead4;
  --text: #1e293b;
  --text-light: #475569;
  --white: #ffffff;
  --bg: #f8fafc;
  --card: #ffffff;
  --shadow: 0 10px 40px rgba(11, 61, 92, 0.12);
  --radius: 16px;
  --transition: 0.3s ease;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, sans-serif; background: var(--bg); color: var(--text); line-height: 1.65; overflow-x: hidden; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }

.navbar { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; background: rgba(255, 255, 255, 0.96); backdrop-filter: blur(10px); border-bottom: 1px solid rgba(11, 61, 92, 0.08); }
.nav-container { max-width: 1180px; margin: 0 auto; padding: 0 24px; display: flex; align-items: center; justify-content: space-between; height: 76px; }
.nav-logo img { height: 46px; }
.nav-menu { display: flex; align-items: center; gap: 34px; }
.nav-menu a { font-size: 14px; font-weight: 600; color: var(--text); transition: var(--transition); }
.nav-menu a:hover { color: var(--accent); }
.nav-cta { background: var(--accent); color: var(--white) !important; padding: 10px 20px; border-radius: 8px; }
.nav-cta:hover { background: var(--primary); color: var(--white) !important; }
.hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; }
.hamburger span { display: block; width: 26px; height: 2px; background: var(--primary); border-radius: 2px; transition: var(--transition); }

.hero { position: relative; min-height: 100vh; display: flex; align-items: center; padding-top: 76px; background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%); overflow: hidden; }
.hero-bg { position: absolute; inset: 0; background: radial-gradient(circle at 80% 20%, rgba(20, 184, 166, 0.15) 0%, transparent 45%), radial-gradient(circle at 20% 80%, rgba(255, 255, 255, 0.06) 0%, transparent 45%); }
.hero-container { position: relative; z-index: 2; max-width: 1180px; margin: 0 auto; padding: 80px 24px; display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 60px; align-items: center; width: 100%; }
.hero-content { color: var(--white); }
.eyebrow { display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; color: var(--accent-light); margin-bottom: 18px; }
.hero h1 { font-size: clamp(36px, 5vw, 62px); line-height: 1.1; font-weight: 800; margin-bottom: 22px; }
.hero h1 span { color: var(--accent-light); }
.hero-sub { font-size: clamp(16px, 2vw, 19px); color: rgba(255, 255, 255, 0.82); max-width: 540px; margin-bottom: 36px; line-height: 1.7; }
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 14px 30px; border-radius: 10px; font-size: 15px; font-weight: 700; transition: var(--transition); border: none; cursor: pointer; }
.btn-primary { background: var(--accent); color: var(--white); }
.btn-primary:hover { background: var(--accent-light); color: var(--primary-dark); transform: translateY(-2px); }
.btn-outline { background: transparent; color: var(--white); border: 1.5px solid rgba(255, 255, 255, 0.45); }
.btn-outline:hover { border-color: var(--accent-light); color: var(--accent-light); transform: translateY(-2px); }

.hero-visual { position: relative; display: flex; align-items: center; justify-content: center; min-height: 360px; }
.globe-ring { position: absolute; border-radius: 50%; border: 1.5px solid rgba(255, 255, 255, 0.14); }
.ring-1 { width: 280px; height: 280px; }
.ring-2 { width: 360px; height: 360px; border-color: rgba(20, 184, 166, 0.3); }
.ring-3 { width: 440px; height: 440px; border-color: rgba(255, 255, 255, 0.08); }
.hero-badge { position: absolute; background: var(--white); color: var(--primary); padding: 14px 24px; border-radius: 50px; font-size: 14px; font-weight: 700; box-shadow: var(--shadow); }

section { padding: 100px 0; }
.section-header { text-align: center; margin-bottom: 60px; }
.section-header h2 { font-size: clamp(28px, 3.2vw, 40px); color: var(--primary); margin-bottom: 12px; }
.section-header p { color: var(--text-light); font-size: 17px; max-width: 560px; margin: 0 auto; }

.about { background: var(--white); }
.about-grid { display: grid; grid-template-columns: 1fr 0.8fr; gap: 70px; align-items: center; }
.about-text h2 { font-size: clamp(26px, 3vw, 36px); color: var(--primary); margin-bottom: 20px; }
.about-text p { color: var(--text-light); margin-bottom: 18px; }
.about-card { background: var(--bg); border-radius: var(--radius); padding: 40px; box-shadow: var(--shadow); }
.about-card h3 { color: var(--primary); margin-bottom: 22px; font-size: 20px; }
.about-card li { padding: 14px 0; border-bottom: 1px solid rgba(11, 61, 92, 0.1); font-size: 15px; color: var(--text-light); }
.about-card li:last-child { border-bottom: none; }
.about-card strong { color: var(--primary); font-size: 22px; margin-right: 8px; }

.services { background: var(--bg); }
.services-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.service-card { background: var(--white); padding: 32px 26px; border-radius: var(--radius); box-shadow: 0 4px 20px rgba(11, 61, 92, 0.06); transition: var(--transition); }
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.service-icon { width: 48px; height: 48px; display: flex; align-items: center; justify-content: center; background: var(--accent); color: var(--white); font-weight: 800; border-radius: 12px; margin-bottom: 20px; font-size: 18px; }
.service-card h3 { color: var(--primary); margin-bottom: 10px; font-size: 18px; }
.service-card p { color: var(--text-light); font-size: 14.5px; line-height: 1.6; }

.advantages { background: var(--primary); color: var(--white); }
.advantages .section-header h2 { color: var(--white); }
.advantages .section-header p { color: rgba(255, 255, 255, 0.75); }
.advantages-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.advantage { background: rgba(255, 255, 255, 0.05); border: 1px solid rgba(255, 255, 255, 0.1); border-radius: var(--radius); padding: 38px 30px; }
.adv-num { font-size: 36px; font-weight: 800; color: var(--accent-light); margin-bottom: 14px; }
.advantage h3 { font-size: 20px; margin-bottom: 10px; }
.advantage p { color: rgba(255, 255, 255, 0.72); font-size: 15px; }

.contact { background: var(--white); }
.contact-grid { display: grid; grid-template-columns: 0.9fr 1fr; gap: 70px; align-items: start; }
.contact-info h2 { font-size: clamp(26px, 3vw, 36px); color: var(--primary); margin-bottom: 18px; }
.contact-info p { color: var(--text-light); margin-bottom: 16px; }
.contact-info .address { margin-top: 28px; color: var(--text); font-size: 16px; line-height: 1.8; }
.contact-info .email { color: var(--primary); font-weight: 600; }
.contact-form { background: var(--bg); padding: 36px; border-radius: var(--radius); box-shadow: var(--shadow); }
.contact-form label { display: block; margin-bottom: 18px; font-size: 14px; font-weight: 600; color: var(--text); }
.contact-form input, .contact-form textarea { width: 100%; margin-top: 6px; padding: 12px 14px; border: 1px solid rgba(11, 61, 92, 0.15); border-radius: 8px; font-family: inherit; font-size: 15px; background: var(--white); color: var(--text); }
.contact-form textarea { resize: vertical; }
.contact-form button { margin-top: 8px; width: 100%; }

footer { background: var(--primary-dark); color: rgba(255, 255, 255, 0.65); padding: 30px 0; text-align: center; font-size: 14px; }

@media (max-width: 980px) {
  .hero-container, .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .advantages-list { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .nav-menu { position: fixed; top: 76px; left: 0; right: 0; background: var(--white); flex-direction: column; gap: 0; padding: 20px 24px; box-shadow: var(--shadow); transform: translateY(-150%); transition: var(--transition); }
  .nav-menu.open { transform: translateY(0); }
  .nav-menu li { width: 100%; }
  .nav-menu a { display: block; padding: 14px 0; }
  .hamburger { display: flex; }
  .services-grid { grid-template-columns: 1fr; }
  section { padding: 70px 0; }
}