:root {
    --primary: #10b981;
    --primary-dark: #059669;
    --primary-glow: rgba(16, 185, 129, 0.15);
    --bg-dark: #050505;
    --bg-card: rgba(255, 255, 255, 0.03);
    --bg-light: rgba(255, 255, 255, 0.02);
    --border: rgba(255, 255, 255, 0.08);
    --text-main: #fdfdfd;
    --text-muted: #94a3b8;
    --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme="light"] {
    --bg-dark: #f8fafc;
    --bg-card: #ffffff;
    --bg-light: #f1f5f9;
    --border: rgba(0, 0, 0, 0.05);
    --text-main: #0f172a;
    --text-muted: #64748b;
}

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

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-main);
    background-color: var(--bg-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4 { font-family: 'Outfit', sans-serif; font-weight: 700; letter-spacing: -0.02em; }
a { text-decoration: none; color: inherit; }

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

section { padding: 120px 0; }
.section-header { margin-bottom: 60px; }
.section-header.centered { text-align: center; max-width: 700px; margin-left: auto; margin-right: auto; }
.section-header h2 { font-size: 3rem; margin-bottom: 20px; }
.section-header p { font-size: 1.1rem; color: var(--text-muted); }

/* --- Grid Utilities --- */
.grid { display: grid; gap: 32px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-5 { grid-template-columns: repeat(5, 1fr); }
.align-center { align-items: center; }

/* --- Header --- */
header {
    position: fixed; top: 0; width: 100%; z-index: 1000; padding: 24px 0; transition: var(--transition);
}
header.scrolled {
    padding: 12px 0; background: rgba(5, 5, 5, 0.8); backdrop-filter: blur(20px); border-bottom: 1px solid var(--border);
}
.nav-container { display: flex; justify-content: space-between; align-items: center; }
.logo { font-size: 1.5rem; font-weight: 800; display: flex; align-items: center; gap: 10px; }
.logo span span { color: var(--primary); }
.desktop-nav { display: flex; gap: 32px; }
.desktop-nav a { color: var(--text-muted); font-weight: 500; transition: var(--transition); }
.desktop-nav a:hover { color: var(--primary); }

.nav-actions { display: flex; align-items: center; gap: 20px; }

.mobile-menu-btn {
    display: none;
    background: transparent;
    border: none;
    cursor: pointer;
    width: 30px;
    height: 24px;
    position: relative;
    z-index: 1001;
}

.mobile-menu-btn span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--text-main);
    position: absolute;
    left: 0;
    transition: var(--transition);
}

.mobile-menu-btn span:first-child { top: 4px; }
.mobile-menu-btn span:last-child { bottom: 4px; }

.mobile-menu-btn.active span:first-child {
    transform: translateY(8px) rotate(45deg);
}

.mobile-menu-btn.active span:last-child {
    transform: translateY(-8px) rotate(-45deg);
}

#dark-mode-toggle {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-muted);
    width: 42px;
    height: 42px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

#dark-mode-toggle:hover {
    background: var(--bg-card);
    color: var(--primary);
    border-color: var(--primary);
    transform: rotate(15deg);
}

/* --- Buttons --- */
.btn {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 14px 28px; border-radius: 14px; font-weight: 600; cursor: pointer; transition: var(--transition);
}
.btn-primary { background: var(--primary); color: white; border: none; box-shadow: 0 8px 20px var(--primary-glow); }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 12px 25px var(--primary-glow); }
.btn-outline { background: transparent; border: 1px solid var(--border); color: var(--text-main); }
.btn-outline:hover { background: var(--bg-card); border-color: var(--primary); }
.btn-large { padding: 18px 36px; font-size: 1.1rem; border-radius: 18px; }

.mobile-only-btn { display: none; }

/* --- Hero --- */
#hero { padding: 200px 0 120px; position: relative; overflow: hidden; min-height: 90vh; display: flex; align-items: center; }
.hero-bg { position: absolute; top: 0; left: 0; width: 100%; height: 100%; z-index: -1; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; }
.hero-bg .overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: linear-gradient(to right, var(--bg-dark) 30%, transparent 100%); opacity: 0.9; }
#hero h1 { font-size: 4.5rem; line-height: 1.1; margin-bottom: 24px; }
#hero h1 span { color: var(--primary); }
#hero p { font-size: 1.3rem; color: var(--text-muted); margin-bottom: 48px; max-width: 650px; }
.hero-stats { display: flex; gap: 60px; padding: 40px; background: var(--bg-card); border-radius: 32px; border: 1px solid var(--border); width: fit-content; margin-top: 60px; }
.stat .number { font-size: 2.2rem; font-weight: 800; color: var(--primary); display: block; margin-bottom: 4px; }
.stat .label { font-size: 0.9rem; color: var(--text-muted); font-weight: 500; text-transform: uppercase; letter-spacing: 0.05em; }

/* --- Universiti --- */
.uni-card { background: var(--bg-card); padding: 40px; border-radius: 32px; border: 1px solid var(--border); transition: var(--transition); }
.uni-card:hover { transform: translateY(-10px); border-color: var(--primary); }
.uni-card h3 { font-size: 1.5rem; margin-bottom: 8px; }
.uni-card .tagline { color: var(--primary); font-weight: 700; font-size: 0.95rem; margin-bottom: 24px; display: block; }
.highlights li { color: var(--text-muted); font-size: 0.95rem; margin-bottom: 10px; list-style: none; padding-left: 24px; position: relative; }
.highlights li::before { content: '→'; position: absolute; left: 0; color: var(--primary); font-weight: 800; }
.strengths { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 30px; }
.strengths span { background: rgba(255,255,255,0.05); padding: 6px 14px; border-radius: 10px; font-size: 0.8rem; font-weight: 600; border: 1px solid var(--border); }

/* --- Study Areas --- */
.area-item { background: var(--bg-card); padding: 40px; border-radius: 24px; border: 1px solid var(--border); text-align: center; transition: var(--transition); }
.area-icon { font-size: 3rem; margin-bottom: 20px; display: block; }
.area-item h3 { font-size: 1.1rem; }
.area-item:hover { transform: scale(1.05); border-color: var(--primary); }

/* --- Video Section --- */
#video-intro { padding: 100px 0; }
.video-container {
    max-width: 1000px;
    margin: 40px auto 0;
    position: relative;
    border-radius: 40px;
    overflow: hidden;
    border: 1px solid var(--border);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5), 0 0 40px var(--primary-glow);
    transition: var(--transition);
}
.video-container:hover { transform: scale(1.02); border-color: var(--primary); }
.video-container img { width: 100%; display: block; filter: brightness(0.7); }
.video-overlay {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    gap: 20px; transition: var(--transition);
}
.play-btn {
    width: 90px; height: 90px; background: var(--primary); border-radius: 50%;
    display: flex; align-items: center; justify-content: center; border: none;
    cursor: pointer; box-shadow: 0 10px 25px var(--primary-glow); transition: var(--transition);
}
.play-btn svg { width: 30px; height: 30px; fill: white; margin-left: 5px; }
.play-btn:hover { transform: scale(1.15); background: white; }
.play-btn:hover svg { fill: var(--primary); }
.video-overlay span { font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; font-size: 0.9rem; }

/* --- Why Malaysia --- */
#why-malaysia { background: var(--bg-light); padding: 120px 0; }
.lifestyle-img { border-radius: 40px; overflow: hidden; border: 1px solid var(--border); box-shadow: 0 20px 40px rgba(0,0,0,0.3); }
.lifestyle-img img { width: 100%; display: block; transition: var(--transition); }
.lifestyle-img:hover img { transform: scale(1.05); }

.feature-list { margin-top: 40px; }
.feature-list li { display: flex; gap: 24px; margin-bottom: 32px; align-items: flex-start; }
.icon-box {
    width: 64px; height: 64px; background: var(--bg-card); border: 1px solid var(--border);
    border-radius: 20px; display: flex; align-items: center; justify-content: center;
    color: var(--primary); flex-shrink: 0; transition: var(--transition);
}
.feature-list li:hover .icon-box { background: var(--primary); color: white; transform: rotate(-5deg); }
.feature-list h3 { font-size: 1.25rem; margin-bottom: 8px; }
.feature-list p { font-size: 0.95rem; color: var(--text-muted); line-height: 1.5; }

/* --- Journey --- */
.steps-wrapper { display: flex; justify-content: space-between; position: relative; margin-top: 80px; }
.steps-wrapper::before { content: ''; position: absolute; top: 40px; left: 5%; right: 5%; height: 2px; background: var(--border); z-index: 0; }
.step-item { position: relative; z-index: 1; width: 18%; text-align: center; }
.step-icon { width: 80px; height: 80px; background: var(--primary); color: white; border-radius: 28px; display: flex; align-items: center; justify-content: center; font-size: 1.8rem; font-weight: 800; margin: 0 auto 30px; box-shadow: 0 15px 30px rgba(16, 185, 129, 0.4); }
.step-item h3 { font-size: 1.2rem; margin-bottom: 12px; }
.step-item p { font-size: 0.9rem; color: var(--text-muted); }

/* --- Why Choose Us --- */
.trust-pill { background: var(--bg-card); border: 1px solid var(--border); padding: 12px 24px; border-radius: 100px; display: inline-block; margin: 0 12px 12px 0; font-weight: 600; color: var(--primary); }
.info-box { background: var(--bg-card); padding: 32px; border-radius: 24px; border: 1px solid var(--border); margin-bottom: 24px; }
.info-box h3 { color: var(--primary); margin-bottom: 12px; }

/* --- Contact --- */
.contact-layout { display: grid; grid-template-columns: 1fr 1.5fr; gap: 80px; }
.contact-form-box { background: var(--bg-card); padding: 60px; border-radius: 40px; border: 1px solid var(--border); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.form-group { margin-bottom: 24px; }
.form-group label { display: block; margin-bottom: 10px; font-size: 0.9rem; color: var(--text-muted); }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 16px 20px; background: rgba(255,255,255,0.02); border: 1px solid var(--border); border-radius: 14px; color: white; font-size: 1rem; transition: var(--transition); }
.form-group input:focus { border-color: var(--primary); outline: none; }

/* --- FAQ --- */
.faq-container { max-width: 850px; margin: 0 auto; }
.faq-item { background: var(--bg-card); border-radius: 20px; border: 1px solid var(--border); margin-bottom: 16px; overflow: hidden; }
.faq-q { width: 100%; padding: 24px 32px; display: flex; justify-content: space-between; align-items: center; background: none; border: none; color: inherit; font-size: 1.15rem; font-weight: 700; cursor: pointer; text-align: left; }
.faq-a { max-height: 0; overflow: hidden; padding: 0 32px; transition: var(--transition); color: var(--text-muted); }
.faq-item.active .faq-a { max-height: 400px; padding-bottom: 32px; }

/* --- Footer --- */
footer { background: #000; padding: 120px 0 60px; border-top: 1px solid var(--border); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 80px; margin-bottom: 100px; }
.footer-brand p { margin-top: 24px; color: var(--text-muted); }
.footer-links h4 { font-size: 1.2rem; margin-bottom: 30px; }
.footer-links a { display: block; margin-bottom: 14px; color: var(--text-muted); transition: var(--transition); }
.footer-links a:hover { color: var(--primary); }
.footer-bottom { text-align: center; border-top: 1px solid var(--border); padding-top: 40px; color: var(--text-muted); font-size: 0.9rem; }

/* --- Animations --- */
.reveal { opacity: 0; transform: translateY(30px); transition: 1s var(--transition); }
.reveal.active { opacity: 1; transform: translateY(0); }

@media (max-width: 1024px) {
    #hero h1 { font-size: 3.5rem; }
    .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .grid-2, .grid-3, .grid-4, .grid-5 { grid-template-columns: 1fr; }
    .contact-layout { grid-template-columns: 1fr; }
    .steps-wrapper { flex-direction: column; gap: 40px; }
    .steps-wrapper::before { display: none; }
    .step-item { width: 100%; display: flex; align-items: center; gap: 24px; text-align: left; }
    .step-icon { margin: 0; flex-shrink: 0; }
    #hero h1 { font-size: 3rem; }

    /* Mobile Header Layout */
    .mobile-menu-btn { display: block; }
    
    .nav-actions .btn {
        display: none; /* Hide primary CTA on mobile header */
    }

    .desktop-nav {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(5, 5, 5, 0.95);
        backdrop-filter: blur(20px);
        padding: 30px 24px;
        flex-direction: column;
        align-items: center;
        border-bottom: 1px solid var(--border);
        transform: translateY(-150%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
        z-index: 999;
    }

    [data-theme="light"] .desktop-nav {
        background: rgba(248, 250, 252, 0.95);
    }

    .desktop-nav.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .desktop-nav a {
        font-size: 1.2rem;
        padding: 10px 0;
        width: 100%;
        text-align: center;
        border-bottom: 1px solid var(--border);
    }

    .desktop-nav a:last-child {
        border-bottom: none;
    }

    .mobile-only-btn {
        display: inline-flex !important;
        margin-top: 15px;
        width: auto !important;
        padding: 14px 28px !important;
        color: white !important;
        border-bottom: none !important;
    }
}