/* ===== VARIABEL CSS ===== */
:root {
    --primary: #2563eb;
    --secondary: #1e40af;
    --accent: #f59e0b;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --dark: #1e293b;
    --light: #f8fafc;
    --gray: #64748b;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--light);
    color: var(--dark);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== HEADER & NAVIGATION ===== */
header {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

header.scrolled {
    background: rgba(37, 99, 235, 0.95);
    backdrop-filter: blur(10px);
}

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

.logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: bold;
    text-decoration: none;
    color: white;
}

.logo img {
    height: 2rem;
    margin-right: 10px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    color: white;
    text-decoration: none;
    transition: var(--transition);
    padding: 0.5rem 1rem;
    border-radius: 4px;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--accent);
    transform: translateX(-50%);
    transition: var(--transition);
}

.nav-links a:hover::after {
    width: 80%;
}

.mobile-menu {
    display: none;
    cursor: pointer;
    font-size: 1.5rem;
}

/* ===== HERO SECTION ===== */
.hero {
    background: linear-gradient(rgba(30, 41, 59, 0.8), rgba(30, 41, 59, 0.8)), 
                url('https://images.unsplash.com/photo-1558494949-ef010cbdcc31?ixlib=rb-4.0.3&auto=format&fit=crop&w=1950&q=80') 
                no-repeat center center/cover;
    min-height: 100vh;
    display: flex;
    align-items: center;
    color: white;
    padding-top: 80px;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff10" fill-opacity="1" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,122.7C672,117,768,139,864,133.3C960,128,1056,96,1152,90.7C1248,85,1344,107,1392,117.3L1440,128L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom;
    background-size: cover;
}

.hero-content {
    position: relative;
    z-index: 1;
    animation: fadeInUp 1s;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-content p {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

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

.btn {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: bold;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

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

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(245, 158, 11, 0.3);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

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

/* ===== SERVICES SECTION ===== */
.services {
    padding: 5rem 0;
    background: white;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2.5rem;
    color: var(--dark);
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--accent);
    border-radius: 2px;
}

.section-header p {
    color: var(--gray);
    max-width: 600px;
    margin: 1.5rem auto 0;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    background: white;
    border-radius: 15px;
    padding: 2.5rem;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    transform: scaleX(0);
    transition: var(--transition);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: white;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--dark);
}

.service-card p {
    color: var(--gray);
    margin-bottom: 1.5rem;
}

.price-tag {
    font-size: 1.25rem;
    font-weight: bold;
    color: var(--primary);
    margin-bottom: 1rem;
}

/* ===== BOOKING SECTION ===== */
.booking {
    padding: 5rem 0;
    background: linear-gradient(135deg, #f3f4f6, #e5e7eb);
}

.booking-form {
    background: white;
    border-radius: 15px;
    padding: 3rem;
    box-shadow: var(--shadow);
    max-width: 800px;
    margin: 0 auto;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.form-group textarea {
    height: 120px;
    resize: vertical;
}

/* ===== PORTFOLIO SECTION ===== */
.portfolio {
    padding: 5rem 0;
    background: white;
}

.portfolio-filter {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.5rem 1.5rem;
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
    border-radius: 25px;
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn.active,
.filter-btn:hover {
    background: var(--primary);
    color: white;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.portfolio-item {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.portfolio-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.portfolio-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    display: flex;
    align-items: flex-end;
    padding: 1.5rem;
    opacity: 0;
    transition: var(--transition);
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-info h4 {
    color: white;
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.portfolio-info p {
    color: #e5e7eb;
    font-size: 0.9rem;
}

/* ===== TESTIMONIALS ===== */
.testimonials {
    padding: 5rem 0;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 2rem;
    transition: var(--transition);
}

.testimonial-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
}

.testimonial-header {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.testimonial-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    margin-right: 1rem;
    object-fit: cover;
}

.testimonial-info h4 {
    margin-bottom: 0.25rem;
}

.testimonial-info .rating {
    color: var(--accent);
}

.testimonial-text {
    font-style: italic;
    line-height: 1.8;
}

/* ===== CONTACT SECTION ===== */
.contact {
    padding: 5rem 0;
    background: white;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.info-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.info-content h4 {
    margin-bottom: 0.5rem;
    color: var(--dark);
}

.info-content p {
    color: var(--gray);
}

.contact-map {
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow);
    height: 400px;
}

.contact-map iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* ===== FOOTER ===== */
footer {
    background: var(--dark);
    color: white;
    padding: 3rem 0 1rem;
}

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

.footer-section h3 {
    margin-bottom: 1rem;
    color: white;
}

.footer-section p,
.footer-section a {
    color: #cbd5e1;
    text-decoration: none;
    display: block;
    margin-bottom: 0.5rem;
    transition: var(--transition);
}

.footer-section a:hover {
    color: var(--accent);
    transform: translateX(5px);
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--accent);
    transform: translateY(-3px);
}

.copyright {
    border-top: 1px solid #334155;
    padding-top: 1rem;
    margin-top: 2rem;
    text-align: center;
    color: #94a3b8;
}

/* ===== WHATSAPP FLOAT BUTTON ===== */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: #25d366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    cursor: pointer;
    z-index: 999;
    transition: var(--transition);
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
}

/* ===== MODAL ===== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    animation: modalSlideIn 0.3s ease;
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--gray);
}

/* ===== PAYMENT SECTION ===== */
.payment-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin: 1.5rem 0;
}

.payment-method {
    border: 2px solid #e5e7eb;
    border-radius: 10px;
    padding: 1rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
}

.payment-method:hover,
.payment-method.selected {
    border-color: var(--primary);
    background: rgba(37, 99, 235, 0.05);
}

.payment-method i {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    display: block;
}

/* ===== ADMIN DASHBOARD ===== */
.admin-dashboard {
    display: none;
    padding: 2rem;
    background: #f8fafc;
    min-height: 100vh;
}

.admin-header {
    background: white;
    padding: 1.5rem;
    border-radius: 10px;
    margin-bottom: 2rem;
    box-shadow: var(--shadow);
}

.admin-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: white;
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
    text-align: center;
}

.stat-card i {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.stat-card h3 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.admin-table {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.admin-table table {
    width: 100%;
    border-collapse: collapse;
}

.admin-table th,
.admin-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid #e5e7eb;
}

.admin-table th {
    background: var(--primary);
    color: white;
}

.status-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
}

.status-pending {
    background: #fef3c7;
    color: #92400e;
}

.status-completed {
    background: #d1fae5;
    color: #065f46;
}

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

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* ===== NOTIFICATION ===== */
.notification {
    position: fixed;
    top: 100px;
    right: 20px;
    background: white;
    padding: 1rem 2rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 1rem;
    z-index: 3000;
    animation: slideInRight 0.3s ease;
}

.notification.success {
    border-left: 4px solid var(--success);
}

.notification.error {
    border-left: 4px solid var(--danger);
}

.notification i {
    font-size: 1.5rem;
}

.notification.success i {
    color: var(--success);
}

.notification.error i {
    color: var(--danger);
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--primary);
        flex-direction: column;
        align-items: center;
        padding-top: 2rem;
        transition: var(--transition);
    }

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

    .mobile-menu {
        display: block;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .hero-content p {
        font-size: 1.2rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        text-align: center;
    }

    .booking-form {
        padding: 2rem 1.5rem;
    }

    .whatsapp-float {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
    }
}