/* General Setup */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

:root {
    /* Palette Biru Modern */
    --deep-navy: #030712;      /* Latar belakang sangat gelap */
    --tech-blue: #1e40af;      /* Biru branding */
    --light-cyan: #38bdf8;     /* Biru muda aksen (pengganti orange) */
    --soft-blue: #7dd3fc;      /* Biru muda untuk gradient */
    --glass-bg: rgba(255, 255, 255, 0.03);
    --text-white: #f8fafc;
    --text-dim: #94a3b8;
}

body {
    background-color: var(--deep-navy);
    color: var(--text-white);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Header & Navbar - Glassmorphism Effect */
header {
    background: rgba(3, 7, 18, 0.7);
    padding: 1.2rem 10%;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(15px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--text-white);
    letter-spacing: -0.5px;
}

.logo span {
    color: var(--light-cyan);
    text-shadow: 0 0 20px rgba(56, 189, 248, 0.5);
}

.nav-links {
    display: flex;
    list-style: none;
    align-items: center;
}

.nav-links li {
    margin-left: 2.5rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-dim);
    font-weight: 500;
    transition: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 0.95rem;
}

.nav-links a:hover {
    color: var(--light-cyan);
}

.btn-login {
    background: linear-gradient(135deg, var(--tech-blue), var(--light-cyan));
    padding: 0.6rem 1.6rem;
    border-radius: 50px; /* Pill shape */
    color: white !important;
    box-shadow: 0 4px 15px rgba(56, 189, 248, 0.3);
}

.btn-login:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(56, 189, 248, 0.5);
}

/* Hero Section with Animated Gradient Background */
.hero {
    height: 100vh;
    background: radial-gradient(circle at 50% -20%, #1e3a8a 0%, #030712 60%);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 0 10%;
}

.hero-content h1 {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -2px;
}

/* Gradient Text */
.highlight {
    background: linear-gradient(to right, var(--light-cyan), var(--soft-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 0 10px rgba(56, 189, 248, 0.3));
}

.hero-content p {
    font-size: 1.2rem;
    max-width: 650px;
    margin: 0 auto 3rem;
    color: var(--text-dim);
}

.hero-btns {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
}

.btn-primary {
    padding: 1.1rem 2.5rem;
    background: linear-gradient(135deg, var(--tech-blue), var(--light-cyan));
    color: white;
    text-decoration: none;
    border-radius: 12px;
    font-weight: 600;
    transition: 0.4s;
    border: none;
}

.btn-secondary {
    padding: 1.1rem 2.5rem;
    background: var(--glass-bg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: white;
    text-decoration: none;
    border-radius: 12px;
    font-weight: 600;
    transition: 0.4s;
    backdrop-filter: blur(5px);
}

.btn-primary:hover {
    transform: scale(1.05);
    filter: brightness(1.1);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--light-cyan);
}

/* Footer */
footer {
    background: #020617;
    padding: 5rem 10% 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-container {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding-bottom: 4rem;
}

.footer-logo p {
    margin-top: 1.2rem;
    font-size: 0.95rem;
    color: var(--text-dim);
    max-width: 250px;
}

.footer-links a {
    display: block;
    color: var(--text-dim);
    text-decoration: none;
    margin-bottom: 1rem;
    text-align: right;
    transition: 0.3s;
    font-size: 0.9rem;
}

.footer-links a:hover {
    color: var(--light-cyan);
    padding-right: 5px;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 0.85rem;
    color: #475569;
}

/* Custom Scrollbar for Modern Look */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--deep-navy);
}
::-webkit-scrollbar-thumb {
    background: var(--tech-blue);
    border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--light-cyan);
}



/* Responsive */
@media (max-width: 768px) {
    .hero-content h1 { font-size: 2.8rem; letter-spacing: -1px; }
    .nav-links { display: none; }
    .hero-btns { flex-direction: column; align-items: center; }
    .footer-container { flex-direction: column; gap: 3rem; text-align: center; }
    .footer-links a { text-align: center; }
}


/* Additional Styles for Sub-pages */
.content-section {
    padding: 120px 10% 80px;
    min-height: 80vh;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

/* Grid System */
.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

/* Card Style (Paket & Portfolio) */
.card {
    background: var(--glass-bg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 2rem;
    border-radius: 20px;
    backdrop-filter: blur(10px);
    transition: 0.3s;
}

.card:hover {
    border-color: var(--light-cyan);
    transform: translateY(-10px);
}

/* Form Contact */
.contact-container {
    max-width: 800px;
    margin: 0 auto;
    background: var(--glass-bg);
    padding: 3rem;
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--soft-blue);
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: white;
    outline: none;
}

.form-group input:focus {
    border-color: var(--light-cyan);
}

/* About & TNC Text */
.text-content {
    max-width: 900px;
    margin: 0 auto;
    color: var(--text-dim);
    line-height: 1.8;
}

.text-content h3 {
    color: var(--light-cyan);
    margin: 2rem 0 1rem;
}

/* Update Grid untuk 4 Kolom */
.grid-container {
    display: grid;
    /* Membuat 4 kolom sama rata pada layar besar */
    grid-template-columns: repeat(4, 1fr); 
    gap: 1.5rem;
    margin-top: 2rem;
}

/* Responsivitas: Tablet (2 Kolom) */
@media (max-width: 1024px) {
    .grid-container {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Responsivitas: HP (1 Kolom) */
@media (max-width: 600px) {
    .grid-container {
        grid-template-columns: 1fr;
    }
}

/* Styling tambahan untuk List agar lebih rapi */
.card ul li {
    margin-bottom: 0.8rem;
    font-size: 0.9rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding-bottom: 0.5rem;
}

.text-content h3 {
    color: var(--light-cyan);
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    font-size: 1.4rem;
    border-bottom: 1px solid rgba(56, 189, 248, 0.2);
    display: inline-block;
}

.text-content ul {
    list-style: none;
    padding-left: 0;
}

.text-content ul li {
    margin-bottom: 0.8rem;
    position: relative;
    padding-left: 1.5rem;
    color: var(--text-dim);
}

.text-content ul li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--light-cyan);
    font-weight: bold;
}

.text-content strong {
    color: var(--text-white);
}