:root {
    --navy: #1E293B;
    --grey: #64748B;
    --white: #FFFFFF;
    --border: #F1F5F9;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--white);
    color: var(--navy);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container { max-width: 1100px; margin: 0 auto; padding: 0 40px; }

nav { padding: 40px 0; }
nav .container { display: flex; justify-content: space-between; align-items: center; }
.logo { font-weight: 700; font-size: 1.1rem; letter-spacing: 3px; text-transform: uppercase; }
.logo span { font-weight: 300; color: var(--grey); }
nav ul { display: flex; list-style: none; gap: 40px; }
nav ul li a { text-decoration: none; color: var(--navy); font-weight: 600; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 1px; }
.btn-nav { border: 1.5px solid var(--navy); padding: 8px 18px; transition: 0.3s; }
.btn-nav:hover { background: var(--navy); color: white !important; }

.hero { padding: 120px 0 140px; }
.tagline { color: var(--grey); text-transform: uppercase; font-weight: 600; letter-spacing: 5px; font-size: 0.75rem; margin-bottom: 24px; }
.hero h1 { font-size: 4.2rem; font-weight: 700; letter-spacing: -2px; line-height: 1.05; margin-bottom: 30px; }
.hero-subtext { font-size: 1.3rem; color: var(--grey); max-width: 700px; margin-bottom: 45px; font-weight: 300; }

.btn-primary { 
    background: var(--navy); 
    color: white; 
    padding: 20px 38px; 
    text-decoration: none; 
    font-weight: 600; 
    font-size: 0.85rem; 
    transition: 0.3s; 
    border: 1px solid var(--navy);
    cursor: pointer;
    display: inline-block;
}
.btn-primary:hover { background: transparent; color: var(--navy); }
.btn-secondary { color: var(--navy); text-decoration: none; font-weight: 700; margin-left: 35px; border-bottom: 2px solid var(--navy); padding-bottom: 4px; font-size: 0.85rem; }

.services { padding: 100px 0; border-top: 1px solid var(--border); }
.section-label { font-weight: 700; font-size: 0.7rem; color: var(--grey); text-transform: uppercase; margin-bottom: 60px; letter-spacing: 2px; }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 60px; }
.card h3 { font-size: 1.3rem; margin-bottom: 20px; font-weight: 700; }
.card p { color: var(--grey); font-size: 1rem; font-weight: 300; }

.approach { padding: 120px 0; background: #F8FAFC; }
.approach-content { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.approach-item h4 { font-size: 1.1rem; margin-bottom: 15px; text-transform: uppercase; letter-spacing: 1px; }
.approach-item p { font-size: 0.95rem; color: var(--grey); }

.contact { padding: 140px 0; }
.contact-card { background: var(--navy); color: white; padding: 100px 80px; text-align: center; }
.contact-card h2 { font-size: 3.5rem; letter-spacing: -2px; margin-bottom: 20px; font-weight: 700; }
.contact-card p { color: var(--grey); margin-bottom: 40px; }

#contact-form { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 20px; }
.form-row { display: flex; gap: 20px; }
#contact-form input, #contact-form select, #contact-form textarea { width: 100%; padding: 18px; background: transparent; border: 1px solid rgba(255, 255, 255, 0.15); color: white; font-family: 'Inter', sans-serif; font-size: 0.95rem; }
#contact-form select { background-color: var(--navy); color: var(--grey); }
#contact-form .btn-primary { background: var(--white); color: var(--navy); border: 1px solid var(--white); width: 100%; margin-top: 10px; }
#contact-form .btn-primary:hover { background: transparent; color: var(--white); }

footer { padding: 60px 0; border-top: 1px solid var(--border); font-size: 0.7rem; font-weight: 700; color: var(--grey); text-transform: uppercase; letter-spacing: 2px; }
.footer-flex { display: flex; justify-content: space-between; align-items: center; }

@media (max-width: 900px) {
    .hero h1 { font-size: 3rem; }
    .grid, .approach-content, .form-row { grid-template-columns: 1fr; flex-direction: column; }
    .contact-card { padding: 60px 20px; }
    .footer-flex { flex-direction: column; gap: 10px; text-align: center; }
}