:root {
    --brand-teal: #00B89C;
    --brand-blue: #0DCEED;
    --bg-color: #06C0C8; /* Fallback */
    --card-bg: rgba(255, 255, 255, 0.15); /* Glassmorphism card */
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.85);
    --border-color: rgba(255, 255, 255, 0.25);
}

body {
    margin: 0;
    padding: 0;
    font-family: 'Outfit', sans-serif;
    background: linear-gradient(150deg, #0DCEED 0%, #06C0C8 50%, #00B89C 100%);
    background-attachment: fixed;
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
header {
    background: linear-gradient(90deg, rgba(13, 206, 237, 0.7) 0%, rgba(255, 255, 255, 0.65) 50%, rgba(0, 184, 156, 0.7) 100%);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid rgba(255, 255, 255, 0.5);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}
/* Menyesuaikan warna teks header agar terbaca di atas gradasi cerah */
header .logo, header nav a:not(.btn-primary) {
    color: #01312C !important;
    text-shadow: none !important;
    font-weight: 700;
}

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

.logo {
    font-size: 26px;
    font-weight: 800;
    color: #ffffff;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 12px;
    letter-spacing: -0.5px;
    text-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

nav {
    display: flex;
    align-items: center;
}

nav a {
    margin-left: 32px;
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
}

nav a:hover {
    color: #ffffff;
    text-shadow: 0 0 8px rgba(255,255,255,0.5);
}

.btn-primary {
    background-color: #ffffff;
    color: #06C0C8;
    padding: 12px 28px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 700;
    font-size: 16px;
    display: inline-block;
    transition: all 0.3s ease;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    margin-left: 32px !important;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.15);
    background-color: #f0fdfc;
}

.btn-secondary {
    background-color: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.4);
    padding: 12px 28px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 700;
    font-size: 16px;
    display: inline-block;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.25);
    transform: translateY(-2px);
}

/* Hero Section */
.hero {
    padding: 100px 0 80px;
    text-align: center;
}

.hero h1 {
    font-size: 64px;
    font-weight: 800;
    margin-bottom: 24px;
    color: #ffffff;
    line-height: 1.1;
    letter-spacing: -1.5px;
    text-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.hero p {
    font-size: 22px;
    font-weight: 400;
    color: var(--text-secondary);
    max-width: 680px;
    margin: 0 auto 48px;
    line-height: 1.6;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 20px;
}

/* Features Override */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-top: 48px;
}

.feature-card {
    background: var(--card-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    padding: 40px 32px;
    border-radius: 24px;
    border: 1px solid var(--border-color);
    box-shadow: 0 8px 32px rgba(0,0,0,0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 40px rgba(0,0,0,0.1);
    background: rgba(255, 255, 255, 0.2);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 24px;
}

.feature-card h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 16px;
    color: #ffffff;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 16px;
    line-height: 1.7;
    font-weight: 400;
}

/* Footer */
footer {
    text-align: center;
    padding: 60px 0 40px;
    color: var(--text-secondary);
    font-size: 15px;
    margin-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}