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

:root {
    --primary-color: #10b981; /* Hijau utama (Emerald) */
    --primary-dark: #059669;  /* Hijau lebih tua saat tombol di-hover */
    --primary-light: #ecfdf5; /* Hijau sangat muda untuk latar belakang ikon */
    --secondary-color: #0f172a;
    --text-color: #334155;
    --text-light: #64748b;
    --bg-light: #f8fafc;
    --white: #ffffff;
    --success: #10b981;
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-color);
    background-color: var(--bg-light);
    line-height: 1.6;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

/* BUTTONS */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 22px;
    font-size: 14px;
    font-weight: 500;
    border-radius: var(--border-radius);
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

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

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

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

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

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

.btn-login:hover {
    opacity: 0.9;
}

/* NAVBAR */
.navbar {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 100;
    height: 70px;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.logo {
    font-size: 22px;
    font-weight: 700;
    color: var(--secondary-color);
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo img {
    height: 120px; /* Mengatur tinggi logo agar proporsional dengan navbar */
    width: auto;  /* Lebar akan menyesuaikan otomatis agar tidak gepeng */
    display: block;
}

.logo i {
    color: var(--primary-color);
}

.logo span {
    color: var(--primary-color);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-link {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-light);
}

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

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 22px;
    color: var(--secondary-color);
    cursor: pointer;
}

/* HERO SECTION */
.hero-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #ffffff 0%, #f0f4ff 100%);
    overflow: hidden;
}

.hero-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.hero-content h1 {
    font-size: 42px;
    font-weight: 700;
    line-height: 1.2;
    color: var(--secondary-color);
    margin-bottom: 20px;
}

.hero-content h1 span {
    color: var(--primary-color);
}

.hero-content p {
    font-size: 16px;
    color: var(--text-light);
    margin-bottom: 30px;
}

.hero-buttons {
    display: flex;
    gap: 15px;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* 1. Modifikasi pembungkus utama agar bayangannya lebih lembut */
.stats-card-wrapper {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(226, 232, 240, 0.8);
    padding: 40px;
    border-radius: 20px;
    /* Membuat bayangan (shadow) lebih menyebar agar efek melayang terasa nyata */
    box-shadow: 0 30px 60px -15px rgba(15, 23, 42, 0.12); 
    display: flex;
    flex-direction: column;
    gap: 20px;
    width: 100%;
    max-width: 380px;
    
    /* Menerapkan animasi melayang otomatis saat halaman dibuka */
    animation: floatAnimation 4s ease-in-out infinite; 
}

/* 2. Efek Interaktif: Saat kursor diarahkan ke kartu (Hover) */
.stats-card-wrapper:hover {
    /* Bayangan menipis & turun sedikit, memberikan kesan kartu terangkat lebih tinggi */
    box-shadow: 0 40px 70px -10px rgba(15, 23, 42, 0.18);
    transform: scale(1.02); /* Ukuran membesar 2% secara halus */
    transition: all 0.4s ease;
}

/* 3. Logic Animasi Naik-Turun Otomatis (Keyframes) */
@keyframes floatAnimation {
    0% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-12px); /* Kartu naik sejauh 12 pixel */
    }
    100% {
        transform: translateY(0px); /* Kartu turun kembali ke posisi semula */
    }
}

.stat-card {
    display: flex;
    align-items: center;
    gap: 20px;
    background: var(--white);
    padding: 15px 20px;
    border-radius: 12px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.02);
}

.stat-card i {
    font-size: 28px;
}

.text-primary { color: var(--primary-color); }
.text-success { color: var(--success); }

.stat-card h4 {
    font-size: 18px;
    font-weight: 700;
    color: var(--secondary-color);
}

.stat-card p {
    font-size: 13px;
    color: var(--text-light);
}

/* FEATURES SECTION */
.features-section {
    padding: 80px 0;
    background-color: var(--white);
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 50px auto;
}

.section-header h2 {
    font-size: 32px;
    color: var(--secondary-color);
    margin-bottom: 15px;
}

.section-header h2 span {
    color: var(--primary-color);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background-color: var(--bg-light);
    padding: 40px 30px;
    border-radius: var(--border-radius);
    border: 1px solid #e2e8f0;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
    border-color: var(--primary-color);
}

.icon-box {
    width: 50px;
    height: 50px;
    background-color: var(--primary-light);
    color: var(--primary-color);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 20px;
    color: var(--secondary-color);
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--text-light);
    font-size: 14px;
}

/* FOOTER */
footer {
    background-color: var(--secondary-color);
    color: var(--white);
    padding: 30px 0;
}

.footer-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    font-size: 18px;
    opacity: 0.7;
}

.social-links a:hover {
    opacity: 1;
    color: var(--primary-color);
}

/* MODAL LOGIN (EFEK POP-UP) */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(4px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-box {
    background-color: var(--white);
    width: 100%;
    max-width: 420px;
    padding: 40px;
    border-radius: 16px;
    position: relative;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    transform: scale(0.9);
    transition: var(--transition);
}

.modal-overlay.active .modal-box {
    transform: scale(1);
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 28px;
    background: none;
    border: none;
    color: var(--text-light);
    cursor: pointer;
}

.modal-close:hover {
    color: var(--secondary-color);
}

.modal-header {
    margin-bottom: 25px;
}

.modal-header h3 {
    font-size: 24px;
    color: var(--secondary-color);
    font-weight: 700;
    margin-bottom: 8px;
}

.modal-header p {
    font-size: 14px;
    color: var(--text-light);
}

.login-form .form-group {
    margin-bottom: 20px;
}

.login-form label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--secondary-color);
}

.login-form input[type="text"],
.login-form input[type="password"] {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #cbd5e1;
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: 14px;
    transition: var(--transition);
}

.login-form input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.form-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    margin-bottom: 25px;
}

.remember-me {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--text-light);
    cursor: pointer;
}

.forgot-pass {
    color: var(--primary-color);
    font-weight: 500;
}

.btn-submit {
    width: 100%;
    background-color: var(--primary-color);
    color: var(--white);
    padding: 12px;
    justify-content: center;
    font-size: 15px;
    font-weight: 600;
}

.btn-submit:hover {
    background-color: var(--primary-dark);
}

/* RESPONSIVE LAYOUT (MEDIA QUERIES) */
@media (max-width: 992px) {
    .hero-container {
        flex-direction: column;
        text-align: center;
        padding-top: 40px;
    }
    .hero-content {
        max-width: 100%;
    }
    .hero-buttons {
        justify-content: center;
    }
    .hero-image {
        width: 100%;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: var(--white);
        flex-direction: column;
        align-items: stretch;
        padding: 40px 20px;
        gap: 20px;
        transition: var(--transition);
        box-shadow: 0 10px 15px rgba(0,0,0,0.05);
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-link {
        font-size: 18px;
        padding: 10px 0;
        border-bottom: 1px solid #f1f5f9;
    }

    .btn-login {
        margin-top: 20px;
        justify-content: center;
        padding: 14px;
        font-size: 16px;
    }
    
    .hero-content h1 {
        font-size: 32px;
    }
    
    .footer-container {
        flex-direction: column;
        text-align: center;
    }
}