/* ==========================================================================
   CSS Variables & Reset
   ========================================================================== */
:root {
    --primary: #22C1A1;
    --secondary: #17A589;
    --bg: #FFFFFF;
    --text: #2D3748;
    --grey: #F8F9FA;
    
    /* Shadows & Border Radius for modern look */
    --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 15px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 20px 25px rgba(0, 0, 0, 0.1);
    --radius-md: 12px;
    --radius-lg: 20px;
    
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

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

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

/* ==========================================================================
   Typography & Utilities
   ========================================================================== */
h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.3;
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    text-align: center;
}

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

.text-center {
    text-align: center;
}

.bg-grey {
    background-color: var(--grey);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.divider {
    height: 4px;
    width: 60px;
    background-color: var(--primary);
    margin: 0 auto;
    border-radius: 2px;
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background-color: var(--secondary);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

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

.btn-outline:hover {
    background-color: var(--primary);
    color: white;
    transform: translateY(-2px);
}

.btn-whatsapp {
    background-color: #25D366; /* Official WA Color */
    color: white;
    font-size: 1.2rem;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.btn-whatsapp:hover {
    background-color: #1EBE5D;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(37, 211, 102, 0.3);
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--bg);
    z-index: 1000;
    transition: var(--transition);
    padding: 1.5rem 0;
}

.navbar.scrolled {
    padding: 1rem 0;
    box-shadow: var(--shadow-sm);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.navbar-logo-img {
    height: 40px;
    width: auto;
    object-fit: contain;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links a:not(.btn) {
    font-weight: 500;
    position: relative;
}

.nav-links a:not(.btn):hover {
    color: var(--primary);
}

.nav-links a:not(.btn)::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: var(--primary);
    transition: var(--transition);
}

.nav-links a:not(.btn):hover::after {
    width: 100%;
}

.menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
    padding: 180px 0 100px;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    color: var(--text);
}

.hero-content p {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    color: #4A5568;
    max-width: 90%;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
}

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

.illustration-placeholder {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    animation: float 6s ease-in-out infinite;
}

.hero-img {
    max-width: 80%;
    height: auto;
    filter: drop-shadow(0 20px 25px rgba(0, 0, 0, 0.1));
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
    100% { transform: translateY(0px); }
}

/* ==========================================================================
   Tentang Section
   ========================================================================== */
.tentang {
    padding: 100px 0;
}

.tentang-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    font-size: 1.2rem;
    color: #4A5568;
}

/* ==========================================================================
   Fitur Utama Section
   ========================================================================== */
.fitur {
    padding: 100px 0;
}

.fitur-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.fitur-card {
    background: var(--bg);
    padding: 2.5rem 2rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(0,0,0,0.03);
}

.fitur-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-md);
}

.fitur-card .icon {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 1.5rem;
}

.fitur-card h3 {
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.fitur-card p {
    color: #718096;
    font-size: 0.95rem;
}

/* ==========================================================================
   Kenapa Memilih MbaKasir
   ========================================================================== */
.kenapa {
    padding: 100px 0;
}

.kenapa-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
}

.kenapa-card {
    background: var(--bg);
    padding: 2.5rem 1.5rem;
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.kenapa-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.icon-circle {
    width: 80px;
    height: 80px;
    background-color: rgba(34, 193, 161, 0.1);
    color: var(--primary);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 2rem;
    margin: 0 auto 1.5rem;
    transition: var(--transition);
}

.kenapa-card:hover .icon-circle {
    background-color: var(--primary);
    color: white;
}

/* ==========================================================================
   Paket Layanan
   ========================================================================== */
.paket {
    padding: 100px 0;
}

.paket-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    align-items: center;
}

.paket-card {
    background: var(--bg);
    border-radius: var(--radius-lg);
    padding: 3rem 2rem;
    box-shadow: var(--shadow-md);
    position: relative;
    border: 1px solid rgba(0,0,0,0.05);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.paket-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.paket-card.highlighted {
    border: 2px solid var(--primary);
    transform: scale(1.05);
    z-index: 1;
    background-color: #f0fdfa; /* Sangat soft green */
}

.paket-card.highlighted:hover {
    transform: scale(1.05) translateY(-10px);
}

.badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--primary);
    color: white;
    padding: 5px 20px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    white-space: nowrap;
}

.paket-header {
    text-align: center;
    margin-bottom: 2.5rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid #E2E8F0;
}

.paket-header h3 {
    font-size: 1.5rem;
    color: var(--text);
    margin-bottom: 1rem;
    letter-spacing: 1px;
}

.paket-header .harga {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
}

.paket-fitur {
    margin-bottom: 3rem;
    flex-grow: 1;
}

.paket-fitur li {
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 10px;
    color: #4A5568;
}

.paket-fitur li i {
    color: var(--primary);
}

.paket-btn {
    width: 100%;
}

/* ==========================================================================
   FAQ Section
   ========================================================================== */
.faq {
    padding: 100px 0;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg);
    margin-bottom: 1rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.faq-question {
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
}

.faq-question:hover {
    color: var(--primary);
}

.faq-question i {
    transition: var(--transition);
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
    color: var(--primary);
}

.faq-answer {
    padding: 0 2rem;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out, padding 0.3s ease;
    color: #4A5568;
}

.faq-item.active .faq-answer {
    padding: 0 2rem 1.5rem;
    max-height: 500px; /* arbitrary max-height for transition */
}

/* ==========================================================================
   CTA Section
   ========================================================================== */
.cta {
    padding: 100px 0;
    background-color: var(--primary);
    color: white;
}

.cta h2 {
    color: white;
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.cta p {
    font-size: 1.2rem;
    margin-bottom: 3rem;
    opacity: 0.9;
}

.cta-note {
    font-size: 0.9rem !important;
    margin-top: 1.5rem;
    margin-bottom: 0 !important;
    opacity: 0.7;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
    background-color: #1A202C; /* Dark text color basically */
    color: white;
    padding: 80px 0 20px;
}

.footer-container {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-logo {
    color: white;
    margin-bottom: 1rem;
    display: inline-block;
}

.footer-logo-img {
    height: 45px;
    width: auto;
    /* Optional: jika logo terlalu gelap di footer yang gelap, gunakan filter untuk membuatnya putih
       filter: brightness(0) invert(1); 
    */
}

.footer-brand p {
    color: #A0AEC0;
    max-width: 300px;
}

.footer h4 {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    color: white;
}

.footer-links ul li {
    margin-bottom: 0.8rem;
}

.footer-links a {
    color: #A0AEC0;
    transition: var(--transition);
}

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

.footer-contact p {
    color: #A0AEC0;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: #718096;
}

/* ==========================================================================
   Media Queries
   ========================================================================== */

/* Tablet (768px) */
@media (max-width: 992px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3rem;
    }
    
    .hero-content h1 {
        font-size: 2.8rem;
    }
    
    .hero-content p {
        margin: 0 auto 2.5rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }

    .paket-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin: 0 auto;
    }
    
    .paket-card.highlighted {
        transform: none;
    }
    
    .paket-card.highlighted:hover {
        transform: translateY(-10px);
    }
    
    .footer-container {
        grid-template-columns: 1fr 1fr;
    }
}

/* Mobile (768px and below) */
@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    
    .nav-links {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: var(--bg);
        flex-direction: column;
        justify-content: flex-start;
        padding-top: 2rem;
        transition: 0.4s ease;
        box-shadow: var(--shadow-md);
    }
    
    .nav-links.active {
        left: 0;
    }
    
    .nav-links a {
        font-size: 1.2rem;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .hero-content h1 {
        font-size: 2.2rem;
    }
    
    .cta h2 {
        font-size: 2.2rem;
    }
    
    .btn-whatsapp {
        font-size: 1rem;
        padding: 0.8rem 1.5rem;
    }
}