/*
Theme Name: Smanesa Elegance
Author: Tim IT Sekolah
Description: Tema elegan dan modern untuk SMA, dengan menu 3D dan animasi halus.
Version: 1.0
*/

/* --- Variabel CSS (Palet Warna Elegan) --- */
:root {
    --color-primary: #002b5c;   /* Biru Tua Royal - Formal & Kuat */
    --color-accent: #d4af37;    /* Emas - Elegan & Prestasi */
    --color-text: #333333;      /* Teks Utama */
    --color-light: #f8f9fa;     /* Latar Belakang Terang */
    --color-white: #ffffff;     /* Putih */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Open Sans', sans-serif;
}

/* --- Reset & Base Styles --- */
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
    font-family: var(--font-body);
    color: var(--color-text);
    line-height: 1.6;
    background-color: var(--color-white);
    overflow-x: hidden;
}
h1, h2, h3, h4, h5, h6 { font-family: var(--font-heading); color: var(--color-primary); }
a { text-decoration: none; color: var(--color-primary); transition: all 0.3s; }
img { max-width: 100%; height: auto; display: block; }
.container { width: 90%; max-width: 1200px; margin: 0 auto; }

/* --- Top Bar (Info & Sosmed) --- */
.top-bar {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 10px 0;
    font-size: 0.9rem;
}
.top-bar .container { display: flex; justify-content: space-between; align-items: center; }
.top-bar a { color: var(--color-accent); margin-left: 15px; }

/* --- Header (Logo Kiri, Menu Kanan) --- */
.site-header {
    background-color: var(--color-white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}
.header-flex { display: flex; justify-content: space-between; align-items: center; }
.site-branding h1 { font-size: 1.8rem; margin: 0; font-weight: 700; letter-spacing: 1px; display: flex; align-items: center; }
.site-branding img { height: 40px; margin-right: 10px; } /* Logo Icon */

/* --- Navigasi (3D Hover & Sub-menu Click) --- */
.main-navigation ul { list-style: none; display: flex; margin: 0; }
.main-navigation > ul > li { margin-left: 20px; position: relative; perspective: 1000px; }
.main-navigation a {
    font-weight: 600;
    font-size: 0.95rem;
    padding: 10px 15px;
    display: block;
    text-transform: uppercase;
    color: var(--color-primary);
    transition: all 0.3s ease;
    transform-style: preserve-3d;
    border-radius: 4px;
}
/* Efek 3D saat Disorot */
.main-navigation > ul > li > a:hover {
    color: var(--color-white);
    background-color: var(--color-accent);
    transform: translateZ(10px) rotateX(5deg);
    box-shadow: 0 5px 15px rgba(212, 175, 55, 0.4);
}

/* Sub-menu (Ditampilkan saat diklik via JS) */
.main-navigation ul.sub-menu {
    display: none; /* Sembunyikan default */
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--color-white);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    min-width: 200px;
    flex-direction: column;
    z-index: 99;
    border-top: 3px solid var(--color-accent);
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s ease;
}
/* Kelas JS untuk menampilkan sub-menu */
.main-navigation li.is-open > ul.sub-menu {
    display: block;
    opacity: 1;
    transform: translateY(0);
}
.main-navigation ul.sub-menu li { margin: 0; }
.main-navigation ul.sub-menu a {
    padding: 12px 15px;
    color: var(--color-text);
    font-weight: 500;
    text-transform: none;
    border-bottom: 1px solid #eee;
}
.main-navigation ul.sub-menu a:hover {
    background-color: var(--color-light);
    color: var(--color-accent);
    transform: none; /* Nonaktifkan 3D di sub-menu */
    box-shadow: none;
}

/* --- Hero Section --- */
.hero {
    position: relative;
    height: 600px;
    background: linear-gradient(rgba(0, 43, 92, 0.6), rgba(0, 43, 92, 0.6)), url('https://source.unsplash.com/1600x900/?school,student') no-repeat center center/cover;
    color: var(--color-white);
    display: flex;
    align-items: center;
    text-align: left;
}
.hero-content { max-width: 600px; }
.hero h2 { font-size: 3.5rem; margin-bottom: 20px; color: var(--color-white); text-shadow: 2px 2px 4px rgba(0,0,0,0.3); }
.hero p { font-size: 1.2rem; margin-bottom: 30px; opacity: 0.9; }
.btn {
    display: inline-block;
    background-color: var(--color-accent);
    color: var(--color-white);
    padding: 12px 30px;
    border-radius: 30px;
    font-weight: 600;
    text-transform: uppercase;
    transition: all 0.3s;
    box-shadow: 0 4px 10px rgba(212, 175, 55, 0.3);
}
.btn:hover {
    background-color: #b3922d;
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(212, 175, 55, 0.5);
}

/* --- 3 Kolom Fitur (Animasi Modern) --- */
.features-section { padding: 80px 0; background-color: var(--color-light); }
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}
.feature-item {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    background: var(--color-white);
    transition: transform 0.3s;
    opacity: 0; /* Awal: Transparan */
    transform: translateY(40px); /* Awal: Geser ke bawah */
}
/* Kelas JS untuk memicu animasi */
.feature-item.is-visible {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.feature-item:hover { transform: translateY(-10px); } /* Efek hover tambahan */

.feature-img { height: 220px; object-fit: cover; }
.feature-content { padding: 25px; text-align: left; }
.feature-content h3 { font-size: 1.4rem; margin-bottom: 15px; }
.feature-link {
    color: var(--color-accent);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
}
.feature-link::after { content: '→'; margin-left: 5px; transition: margin 0.3s; }
.feature-link:hover::after { margin-left: 10px; }

/* --- Footer --- */
.site-footer { background-color: var(--color-primary); color: rgba(255,255,255,0.7); padding: 40px 0; text-align: center; }
.site-footer p { margin: 0; }