/* ===== DESIGN SYSTEM & TOKENS (REVAMPED) ===== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@500;600;700;800;900&display=swap');

:root {
    /* Colors - Menyesuaikan dengan Logo (Biru & Merah) */
    --primary: #1d4ed8; /* Royal Blue dari teks melingkar */
    --primary-light: #3b82f6;
    --primary-dark: #1e3a8a;
    --accent: #ef4444; /* Merah dari teks BESTARI */
    --accent-hover: #dc2626;
    
    --bg-main: #f8fafc; /* Very light cool gray */
    --bg-card: #ffffff;
    --bg-dark: #0f172a;
    
    --text-dark: #0f172a;
    --text-main: #334155;
    --text-muted: #64748b;
    --text-light: #f8fafc;
    
    --border: #e2e8f0;
    
    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Effects - Softer, larger shadows for a modern premium feel */
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.03), 0 4px 6px -4px rgba(0, 0, 0, 0.02);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.01);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== RESET & BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-main);
    color: var(--text-main);
    line-height: 1.7;
    overflow-x: hidden;
    font-size: 16px;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-dark);
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ===== COMPONENTS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 1.75rem;
    border-radius: 8px; /* Slightly rounded, more formal than fully pill */
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    text-align: center;
    gap: 0.5rem;
}

.btn-primary {
    background-color: var(--primary);
    color: white;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(29, 78, 216, 0.3);
}

.btn-accent {
    background-color: var(--accent);
    color: white;
}

.btn-accent:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(239, 68, 68, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-outline:hover {
    background: var(--primary);
    color: white;
}

/* Section Titles */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-subtitle {
    display: inline-block;
    color: var(--primary);
    font-family: var(--font-heading);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.85rem;
    margin-bottom: 1rem;
    background: rgba(29, 78, 216, 0.1);
    padding: 0.5rem 1rem;
    border-radius: 999px;
}

.section-title {
    font-size: 2.75rem;
    font-weight: 800;
}

/* ===== TOP BAR ===== */
.top-bar {
    background-color: var(--bg-dark);
    color: var(--text-light);
    padding: 0.5rem 0;
    font-size: 0.875rem;
    z-index: 1001;
    position: relative;
}

.top-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-bar-info {
    display: flex;
    gap: 1.5rem;
}

.top-bar-info span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* ===== MAIN NAVBAR ===== */
.navbar {
    background-color: white;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo-brand {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 900;
    color: var(--primary-dark);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-menu {
    display: flex;
    gap: 2.5rem;
    align-items: center;
}

.nav-item {
    position: relative;
}

.nav-link {
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--text-dark);
    font-size: 1rem;
    padding: 0.5rem 0;
    position: relative;
}

.nav-link:hover, .nav-item.active .nav-link {
    color: var(--primary);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background-color: var(--primary);
    transition: width 0.3s ease;
    border-radius: 3px;
}

.nav-link:hover::after, .nav-item.active .nav-link::after {
    width: 100%;
}

/* ===== FOOTER ===== */
.footer {
    background-color: var(--bg-dark);
    color: var(--text-muted);
    padding: 5rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

@media (max-width: 900px) {
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}
@media (max-width: 600px) {
    .footer-content {
        grid-template-columns: 1fr;
    }
}

.footer-col h3 {
    color: white;
    margin-bottom: 1.5rem;
    font-size: 1.25rem;
    font-family: var(--font-heading);
}

.footer-col p {
    margin-bottom: 1rem;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: var(--text-muted);
}

.footer-links a:hover {
    color: var(--accent);
    padding-left: 5px;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 0.9rem;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-up {
    animation: fadeUp 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* ===== FLOATING WHATSAPP ===== */
.wa-floating {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: #25D366; /* WhatsApp Green */
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 35px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
    z-index: 9999;
    text-decoration: none;
    animation: bounce-wa 2s infinite;
    transition: transform 0.3s ease;
}

.wa-floating:hover {
    background-color: #128C7E;
}

/* Chat Bubble (Awan Teks) */
.wa-floating::before {
    content: "Hubungi Admin";
    position: absolute;
    bottom: 75px;
    right: 0;
    background-color: white;
    color: var(--text-dark);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-size: 0.875rem;
    font-family: var(--font-heading);
    font-weight: 600;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    white-space: nowrap;
}

/* Segitiga Awan Chat */
.wa-floating::after {
    content: "";
    position: absolute;
    bottom: 67px;
    right: 22px;
    border-width: 8px 8px 0;
    border-style: solid;
    border-color: white transparent transparent transparent;
}

@keyframes bounce-wa {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-20px);
    }
    60% {
        transform: translateY(-10px);
    }
}