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

:root {
    --primary: #059669;
    --primary-dark: #064e3b;
    --primary-light: #ecfdf5;
    --secondary: #d97706;
    --secondary-dark: #92400e;
    --secondary-light: #fffbeb;
    --dark: #0f172a;
    --slate: #475569;
    --light: #f8fafc;
    --white: #ffffff;
    --glass: rgba(255, 255, 255, 0.8);
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

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

h1, h2, h3, h4 {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    line-height: 1.2;
}

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

ul {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* --- Navbar --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 80px;
    display: flex;
    align-items: center;
    background: var(--glass);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(0,0,0,0.05);
    transition: var(--transition);
}

.navbar.shrink {
    height: 65px;
    background: var(--white);
    box-shadow: var(--shadow);
}

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

.logo img {
    height: 45px;
    width: auto;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
}

.nav-links a {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--slate);
}

.nav-links a:hover {
    color: var(--primary);
}

.nav-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* --- Hero --- */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding-top: 80px;
    background: linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.4)), 
                url('../assets/img/header-bg1.webp') center/cover no-repeat;
    color: var(--white);
    position: relative;
}

.hero-content {
    max-width: 900px;
    z-index: 2;
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.8s ease;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    animation: fadeInUp 1s ease;
}

.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    font-family: 'Outfit', sans-serif;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* --- Services --- */
.section {
    padding: 6rem 0;
}

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

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

.section-header .divider {
    width: 60px;
    height: 4px;
    background: var(--primary);
    margin: 0 auto 1.5rem;
}

.services-group {
    margin-bottom: 4rem;
}

.services-group h3 {
    font-size: 1.75rem;
    margin-bottom: 2rem;
    color: var(--primary-dark);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.services-group h3::after {
    content: '';
    flex: 1;
    height: 1px;
    background: #e2e8f0;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 1.5rem;
    border: 1px solid #f1f5f9;
    box-shadow: 0 4px 6px -1px rgba(0,0,0,0.02);
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.service-card i {
    font-size: 2.5rem;
    color: var(--primary);
}

.service-card.sipil i {
    color: var(--secondary);
}

.service-card h4 {
    font-size: 1.25rem;
}

.service-card p {
    color: var(--slate);
    font-size: 0.95rem;
}

/* --- Gallery --- */
.bg-light {
    background-color: var(--light);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.gallery-item {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
    border-radius: 1rem;
    cursor: pointer;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.6), transparent);
    opacity: 0;
    display: flex;
    align-items: flex-end;
    padding: 1.5rem;
    transition: var(--transition);
}

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

.gallery-overlay span {
    color: var(--white);
    font-weight: 500;
}

/* --- Contact --- */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
    align-items: start;
}

.contact-info h3 {
    margin-bottom: 2rem;
}

.contact-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-item {
    display: flex;
    gap: 1.25rem;
}

.contact-item i {
    font-size: 1.25rem;
    color: var(--primary);
    width: 24px;
}

.map-container {
    height: 450px;
    border-radius: 1.5rem;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.map-container iframe {
    width: 100%;
    height: 100%;
}

/* --- Footer --- */
footer {
    background: var(--dark);
    color: rgba(255, 255, 255, 0.6);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 2rem;
    margin-bottom: 2rem;
}

.footer-logo img {
    height: 40px;
    filter: brightness(0) invert(1);
}

.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    padding: 0.75rem 1.5rem;
    background: #25d366;
    color: var(--white);
    border-radius: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    font-size: 1.1rem;
    font-weight: 600;
    box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: var(--transition);
}

.whatsapp-float i {
    font-size: 1.75rem;
}

.whatsapp-float:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 28px rgba(37, 211, 102, 0.6);
}

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

/* --- Mobile --- */
@media (max-width: 968px) {
    .nav-toggle {
        display: block;
        color: var(--primary);
    }
    .nav-links {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: var(--white);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 2rem;
        transition: var(--transition);
        z-index: 999;
    }
    .nav-links.active {
        left: 0;
    }
    .nav-links a {
        font-size: 1.5rem;
        font-family: 'Outfit', sans-serif;
    }
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2.25rem;
    }
    .section {
        padding: 4rem 0;
    }
}

/* --- Custom Lightbox Modal --- */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(8px);
    justify-content: center;
    align-items: center;
    flex-direction: column;
    padding: 20px;
    animation: fadeIn 0.3s ease;
}

.modal-content {
    max-width: 90%;
    max-height: 85vh;
    border-radius: 1rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    animation: zoomIn 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

#modal-caption {
    margin-top: 20px;
    color: var(--white);
    font-family: 'Outfit', sans-serif;
    font-weight: 500;
    font-size: 1.1rem;
    text-align: center;
}

.close-modal {
    position: absolute;
    top: 30px;
    right: 40px;
    color: var(--white);
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition);
}

.close-modal:hover {
    color: var(--primary);
    transform: rotate(90deg) scale(1.2);
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

@media (max-width: 768px) {
    .close-modal {
        top: 20px;
        right: 20px;
    }
}

/* --- Modal Navigation --- */
.prev-modal, .next-modal {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    color: var(--white);
    font-size: 3rem;
    cursor: pointer;
    padding: 20px;
    transition: var(--transition);
    user-select: none;
    z-index: 2001;
}

.prev-modal { left: 20px; }
.next-modal { right: 20px; }

.prev-modal:hover, .next-modal:hover {
    color: var(--primary);
    transform: translateY(-50%) scale(1.2);
}

@media (max-width: 768px) {
    .prev-modal, .next-modal {
        font-size: 2rem;
        padding: 10px;
    }
    .prev-modal { left: 5px; }
    .next-modal { right: 5px; }
}