:root {
    --primary: #1a3a6e;
    --secondary: #00b6ff;
    --dark: #0f172a;
    --gray: #64748b;
    --light: #ffffff;
}

/* Reset */
* { margin:0; padding:0; box-sizing:border-box; }
body {
    font-family: 'Inter', sans-serif;
    color: var(--dark);
    background: #fff;
    overflow-x: hidden;
}

/* Header */
header {
    position: fixed;
    width: 100%;
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(12px);
    padding: 10px 0;
    z-index: 1000;
    box-shadow: 0 3px 15px rgba(0,0,0,0.08);
}
.nav-container {
    max-width: 1250px;
    margin: auto;
    padding: 0 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo img { height: 48px; }
nav a {
    margin-left: 28px;
    font-weight: 600;
    padding-bottom: 4px;
    border-bottom: 2px solid transparent;
    transition: .3s;
}
nav a:hover {
    border-bottom: 2px solid var(--primary);
    color: var(--primary);
}

/* HERO */
.hero {
    height: 100vh;
    background:
        linear-gradient(rgba(0,0,0,0.35), rgba(0,0,0,0.45)),
        url("https://images.unsplash.com/photo-1485827404703-89b55fcc595e?w=2000")
        center/cover no-repeat;
    display: flex;
    justify-content: center;
    align-items: center;
    padding-top: 60px; /* FIX HERO TURUN */
    text-align: center;
    color: white;
}
.hero-content {
    max-width: 900px;
    padding: 0 20px;
}
.hero h1 {
    font-size: 3.3rem;
    font-weight: 800;
    margin-bottom: 15px;
}
.hero p {
    font-size: 1.2rem;
    opacity: .95;
    margin-bottom: 25px;
    line-height: 1.6;
}
.btn-primary {
    display: inline-block;
    padding: 12px 28px;
    background: var(--secondary);
    color: white;
    font-weight: 700;
    border-radius: 50px;
    transition: .3s;
}
.btn-primary:hover { background: #00a4e6; }

/* SECTIONS */
section {
    padding: 80px 20px;
}
.container {
    max-width: 1200px;
    margin: auto;
}
h2 {
    font-size: 2.3rem;
    text-align: center;
    color: var(--primary);
    margin-bottom: 35px;
}

/* ABOUT */
.about p {
    max-width: 850px;
    margin: auto;
    font-size: 1.1rem;
    text-align: center;
    line-height: 1.8;
    color: var(--gray);
}

/* SERVICES */
.service-grid {
    margin-top: 20px;
    display: flex;
    gap: 25px;
    flex-wrap: wrap;
    justify-content: center;
}
.service-card {
    background: white;
    padding: 35px 25px;
    width: 350px;
    border-radius: 14px;
    box-shadow: 0 8px 28px rgba(0,0,0,0.06);
    text-align: center;
    transition: .25s;
    min-height: 260px; /* FIX TINGGI TIDAK RATA */
}
.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.12);
}
.service-card i {
    font-size: 2.8rem;
    color: var(--secondary);
    margin-bottom: 12px;
}
.service-card h3 {
    font-size: 1.3rem;
    margin-bottom: 12px;
    color: var(--primary);
}

/* CONTACT */
.contact {
    background: linear-gradient(135deg, #0d2b57, #031a39);
    color: white;
    padding-top: 100px;
    padding-bottom: 100px;
}
.contact-info {
    text-align: center;
    font-size: 1.1rem;
    line-height: 2.2;
}
.contact-info i {
    color: var(--secondary);
    margin-right: 8px;
}

/* FOOTER */
footer {
    background: #061527;
    color: #a8b4c7;
    text-align: center;
    padding: 18px 0;
    font-size: .9rem;
}