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

:root {
    --primary: #2BA8D8;
    --primary-dark: #2196C3;
    --dark: #1A2B4A;
    --dark-light: #243656;
    --white: #FFFFFF;
    --gray-50: #F8FAFC;
    --gray-100: #F1F5F9;
    --gray-200: #E2E8F0;
    --gray-400: #94A3B8;
    --gray-600: #475569;
    --gray-800: #1E293B;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 4px 12px rgba(0,0,0,0.04);
    --shadow-lg: 0 4px 12px rgba(0,0,0,0.08), 0 16px 40px rgba(0,0,0,0.06);
    --transition: 0.25s ease;
}

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--gray-800);
    line-height: 1.6;
    background: var(--white);
    -webkit-font-smoothing: antialiased;
}

.container { max-width: 1140px; margin: 0 auto; padding: 0 24px; }

h1, h2, h3, h4 { line-height: 1.2; color: var(--dark); }
a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; height: auto; }

/* === Buttons === */
.btn {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 12px 28px; border-radius: var(--radius-sm);
    font-size: 0.95rem; font-weight: 600;
    border: 2px solid transparent; cursor: pointer;
    transition: all var(--transition); text-decoration: none;
}
.btn-primary { background: var(--primary); color: var(--white); border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); color: var(--white); transform: translateY(-1px); box-shadow: var(--shadow); }
.btn-outline { background: transparent; color: var(--white); border-color: var(--white); }
.btn-outline:hover { background: var(--white); color: var(--dark); }
.btn-lg { padding: 14px 36px; font-size: 1.05rem; }

/* === Navbar === */
.navbar {
    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-200);
    transition: box-shadow var(--transition);
}
.navbar.scrolled { box-shadow: var(--shadow); }
.nav-container { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.nav-logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.logo-img { height: 40px; width: auto; }
.logo-text { font-size: 1.15rem; font-weight: 700; color: var(--dark); }
.logo-highlight { color: var(--primary); }
.nav-links { display: flex; list-style: none; gap: 32px; }
.nav-links a { color: var(--gray-600); font-weight: 500; font-size: 0.95rem; transition: color var(--transition); }
.nav-links a:hover { color: var(--primary); }
.nav-cta { font-size: 0.9rem; padding: 10px 24px; }
.mobile-toggle { display: none; background: none; border: none; cursor: pointer; padding: 4px; }
.mobile-toggle span { display: block; width: 24px; height: 2px; background: var(--dark); margin: 5px 0; transition: all var(--transition); }

/* === Hero === */
.hero {
    padding: 140px 0 100px;
    background: linear-gradient(135deg, var(--dark) 0%, var(--dark-light) 50%, var(--primary) 100%);
    color: var(--white);
    position: relative; overflow: hidden;
}
.hero::before {
    content: ''; position: absolute; top: -50%; right: -20%; width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(43,168,216,0.15) 0%, transparent 70%);
    border-radius: 50%;
}
.hero-container { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 60px; position: relative; }
.hero h1 { font-size: 2.8rem; font-weight: 800; color: var(--white); margin-bottom: 20px; }
.hero-sub { font-size: 1.15rem; color: rgba(255,255,255,0.85); margin-bottom: 36px; max-width: 520px; }
.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-graphic { display: flex; justify-content: center; align-items: center; }
.hero-logo-img { width: 280px; height: 280px; object-fit: contain; opacity: 0.9; filter: drop-shadow(0 8px 32px rgba(0,0,0,0.2)); }

/* === Sections === */
.section-title { font-size: 2rem; font-weight: 800; text-align: center; margin-bottom: 12px; }
.section-subtitle { text-align: center; color: var(--gray-600); font-size: 1.1rem; margin-bottom: 48px; max-width: 560px; margin-left: auto; margin-right: auto; }

/* === Services === */
.services { padding: 100px 0; background: var(--gray-50); }
.services-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.service-card {
    background: var(--white); padding: 36px 28px; border-radius: var(--radius);
    box-shadow: var(--shadow); transition: all var(--transition);
    border: 1px solid var(--gray-200);
}
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--primary); }
.service-icon { width: 48px; height: 48px; margin-bottom: 20px; color: var(--primary); }
.service-icon svg { width: 100%; height: 100%; }
.service-card h3 { font-size: 1.15rem; margin-bottom: 12px; }
.service-card p { color: var(--gray-600); font-size: 0.93rem; line-height: 1.65; }

/* === Why WOW === */
.why-wow { padding: 100px 0; }
.why-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; }
.why-card { padding: 36px; border-radius: var(--radius); border: 1px solid var(--gray-200); transition: all var(--transition); }
.why-card:hover { border-color: var(--primary); box-shadow: var(--shadow); }
.why-number { font-size: 2rem; font-weight: 800; color: var(--primary); opacity: 0.4; margin-bottom: 12px; }
.why-card h3 { font-size: 1.15rem; margin-bottom: 10px; }
.why-card p { color: var(--gray-600); font-size: 0.95rem; }

/* === Team === */
.team { padding: 100px 0; background: var(--gray-50); }
.team-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; max-width: 700px; margin: 0 auto; }
.team-card { text-align: center; padding: 48px 32px; background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow); }
.team-avatar {
    width: 80px; height: 80px; margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--primary), var(--dark));
    border-radius: 50%; display: flex; align-items: center; justify-content: center;
    color: var(--white); font-weight: 700; font-size: 1.3rem;
}
.team-card h3 { font-size: 1.2rem; margin-bottom: 4px; }
.team-role { color: var(--primary); font-weight: 600; font-size: 0.9rem; margin-bottom: 12px; }
.team-card > p:last-child { color: var(--gray-600); font-size: 0.93rem; }

/* === Contact === */
.contact { padding: 100px 0; }
.contact-grid { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 48px; align-items: start; }
.contact-form { display: flex; flex-direction: column; gap: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 0.9rem; font-weight: 600; color: var(--dark); }
.form-group input, .form-group select, .form-group textarea {
    padding: 12px 16px; border: 1px solid var(--gray-200); border-radius: var(--radius-sm);
    font-size: 0.95rem; font-family: inherit; transition: border-color var(--transition);
    background: var(--white);
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(43,168,216,0.1);
}
.contact-info { display: flex; flex-direction: column; gap: 28px; padding-top: 8px; }
.contact-item { display: flex; align-items: flex-start; gap: 16px; }
.contact-item svg { width: 24px; height: 24px; color: var(--primary); flex-shrink: 0; margin-top: 2px; }
.contact-item strong { display: block; font-size: 0.9rem; color: var(--dark); margin-bottom: 2px; }
.contact-item a { color: var(--gray-600); font-size: 0.93rem; }
.contact-item a:hover { color: var(--primary); }

/* === Footer === */
.footer { background: var(--dark); color: rgba(255,255,255,0.7); padding: 64px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 48px; border-bottom: 1px solid rgba(255,255,255,0.1); }
.footer-brand { }
.footer-logo { height: 40px; margin-bottom: 16px; filter: brightness(0) invert(1); }
.footer-brand p { font-size: 0.93rem; line-height: 1.6; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links h4 { color: var(--white); font-size: 0.95rem; margin-bottom: 6px; }
.footer-links a { color: rgba(255,255,255,0.6); font-size: 0.9rem; }
.footer-links a:hover { color: var(--primary); }
.footer-bottom { text-align: center; padding: 24px 0; font-size: 0.85rem; }

/* === Responsive === */
@media (max-width: 992px) {
    .hero-container { grid-template-columns: 1fr; text-align: center; }
    .hero h1 { font-size: 2.2rem; }
    .hero-sub { margin: 0 auto 36px; }
    .hero-buttons { justify-content: center; }
    .hero-graphic { display: none; }
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .contact-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .nav-links { display: none; position: absolute; top: 72px; left: 0; right: 0; flex-direction: column; background: var(--white); padding: 24px; gap: 16px; border-bottom: 1px solid var(--gray-200); box-shadow: var(--shadow-lg); }
    .nav-links.active { display: flex; }
    .nav-cta { display: none; }
    .mobile-toggle { display: block; }
    .hero { padding: 120px 0 80px; }
    .hero h1 { font-size: 1.9rem; }
    .services-grid { grid-template-columns: 1fr; }
    .why-grid { grid-template-columns: 1fr; }
    .team-grid { grid-template-columns: 1fr; max-width: 400px; }
    .form-row { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .section-title { font-size: 1.7rem; }
}