/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

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

/* Color Variables */
:root {
    --ocean-blue: #1E3A8A;
    --light-ocean-blue: #3B82F6;
    --sand-white: #FEF7ED;
    --pure-white: #FFFFFF;
    --soft-blue: #DBEAFE;
    --dark-blue: #1E40AF;
    --text-dark: #1F2937;
    --text-gray: #6B7280;
    --light-sand: #FEF3E2;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all 0.3s ease;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-logo h2 {
    color: var(--ocean-blue);
    font-weight: 700;
    font-size: 1.5rem;
}

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

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: var(--ocean-blue);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--light-ocean-blue);
    transition: width 0.3s ease;
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--ocean-blue);
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--ocean-blue) 0%, var(--light-ocean-blue) 50%, var(--soft-blue) 100%);
    background-size: 400% 400%;
    animation: gradientShift 8s ease-in-out infinite;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: white;
    max-width: 800px;
    padding: 0 2rem;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1rem;
    opacity: 0;
    animation: fadeInUp 1s ease 0.5s forwards;
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    opacity: 0;
    animation: fadeInUp 1s ease 0.7s forwards;
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0;
    animation: fadeInUp 1s ease 0.9s forwards;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    opacity: 0;
    animation: fadeInUp 1s ease 1.1s forwards;
}

.btn {
    padding: 12px 30px;
    border: none;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    display: inline-block;
}

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

.btn-primary:hover {
    background: var(--ocean-blue);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

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

.btn-secondary:hover {
    background: white;
    color: var(--ocean-blue);
    transform: translateY(-2px);
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    opacity: 0;
    animation: fadeInUp 1s ease 1.3s forwards;
}

.scroll-arrow {
    width: 30px;
    height: 30px;
    border: 2px solid white;
    border-top: none;
    border-left: none;
    transform: rotate(45deg);
    animation: bounce 2s infinite;
}

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

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0) rotate(45deg);
    }
    40% {
        transform: translateY(-10px) rotate(45deg);
    }
    60% {
        transform: translateY(-5px) rotate(45deg);
    }
}

/* Section Styles */
section {
    padding: 100px 0;
}

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

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-gray);
    max-width: 600px;
    margin: 0 auto;
}

/* About Section */
.about {
    background: var(--sand-white);
}

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

.about-text {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.about-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

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

.card-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--ocean-blue), var(--light-ocean-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}

.card-icon i {
    color: white;
    font-size: 1.5rem;
}

.about-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.about-card p {
    color: var(--text-gray);
    line-height: 1.6;
}

.about-image {
    position: relative;
}

.floating-image {
    width: 100%;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    animation: float 6s ease-in-out infinite;
}

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

/* Memories Section */
.memories {
    background: var(--pure-white);
}

.memory-timeline {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
}

.memory-timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(to bottom, var(--ocean-blue), var(--light-ocean-blue));
    transform: translateX(-50%);
}

.timeline-item {
    margin-bottom: 4rem;
    position: relative;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    width: 20px;
    height: 20px;
    background: var(--light-ocean-blue);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
    box-shadow: 0 0 0 4px white, 0 0 0 8px var(--ocean-blue);
}

.timeline-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.timeline-content.reverse {
    direction: rtl;
}

.timeline-content.reverse > * {
    direction: ltr;
}

.timeline-image {
    position: relative;
    overflow: hidden;
    border-radius: 15px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.timeline-image img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.timeline-image:hover img {
    transform: scale(1.05);
}

.timeline-text {
    padding: 2rem;
}

.timeline-text h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.timeline-text p {
    color: var(--text-gray);
    line-height: 1.8;
    font-size: 1rem;
}

/* ===== Gallery Section ===== */
.gallery {
    background: var(--light-sand);
    padding: 80px 20px;
}

.gallery .section-header {
    text-align: center;
    margin-bottom: 50px;
}

.gallery .section-title {
    font-size: 2.5rem;
    color: var(--ocean-blue);
    margin-bottom: 10px;
}

.gallery .section-subtitle {
    font-size: 1rem;
    color: #555;
    max-width: 600px;
    margin: 0 auto;
}

/* ===== Filter Buttons ===== */
.gallery-filter {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 25px;
    border: 2px solid var(--ocean-blue);
    background: transparent;
    color: var(--ocean-blue);
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

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

/* ===== Slider Container ===== */
.gallery-slider {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Slick Slider spacing between slides */
.gallery-slider .slick-slide > div {
    padding: 10px;
}

/* Adjust spacing on outer edges */
.gallery-slider .slick-list {
    margin: 0 -10px;
}

/* ===== Gallery Item ===== */
.gallery-slider .gallery-item {
    border-radius: 12px;
    overflow: hidden;
    position: relative;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
}

.gallery-slider .gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.2);
}

.gallery-slider .gallery-item img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    display: block;
    border-radius: 12px;
    transition: transform 0.3s ease;
}

.gallery-slider .gallery-item:hover img {
    transform: scale(1.05);
}

/* ===== Overlay Caption ===== */
.gallery-overlay {
    position: absolute;
    bottom: 0;
    width: 100%;
    padding: 0.8rem;
    background: rgba(0,0,0,0.5);
    color: #fff;
    text-align: center;
    font-size: 0.85rem;
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.gallery-dots {
    text-align: center;
    margin-top: 20px;
}

.gallery-dots .slick-dots {
    display: flex !important;
    justify-content: center;
    gap: 30px;
    list-style: none;
    padding: 0;
}

.gallery-dots .slick-dots li button {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--ocean-blue);
    border: none;
    opacity: 0.5;
    transition: all 0.3s ease;
}

.gallery-dots .slick-dots li.slick-active button {
    opacity: 1;
    background: var(--ocean-blue);
    transform: scale(1.2);
}

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {
    .gallery-slider .gallery-item img {
        height: 200px;
    }
}

@media (max-width: 768px) {
    .gallery-slider .gallery-item img {
        height: 180px;
    }
}

@media (max-width: 480px) {
    .gallery-slider .gallery-item img {
        height: 160px;
    }

        .gallery-slider {
        padding-bottom: 40px; /* beri ruang untuk dots */
    }

    .gallery-dots {
        margin-top: 100px; /* bisa dikurangi agar tidak terlalu jauh */
    }

    .gallery-dots .slick-dots {
        gap: 15px; /* lebih rapat di mobile */
    }
}



/* Quote Section */
.quote-section {
    background: linear-gradient(135deg, var(--ocean-blue), var(--light-ocean-blue));
    color: white;
    text-align: center;
    padding: 80px 0;
}

.quote-content blockquote {
    font-size: 1.5rem;
    font-style: italic;
    margin-bottom: 1rem;
    max-width: 800px;
    margin: 0 auto 1rem;
    line-height: 1.6;
}

.quote-content cite {
    font-size: 1rem;
    opacity: 0.8;
}

/* Contact Section */
.contact {
    background: var(--pure-white);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

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

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

.contact-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--ocean-blue), var(--light-ocean-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon i {
    color: white;
    font-size: 1.2rem;
}

.contact-text h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.contact-text p {
    color: var(--text-gray);
    line-height: 1.6;
}

.contact-form {
    background: var(--sand-white);
    padding: 2rem;
    border-radius: 15px;
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid transparent;
    border-radius: 10px;
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: white;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--ocean-blue);
    box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.1);
}

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

/* Footer */
.footer {
    background: var(--text-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,
.footer-section h4 {
    margin-bottom: 1rem;
    color: var(--light-ocean-blue);
}

.footer-section p {
    line-height: 1.6;
    opacity: 0.8;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: white;
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.footer-section ul li a:hover {
    opacity: 1;
    color: var(--light-ocean-blue);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.8;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .timeline-content {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .timeline-content.reverse {
        direction: ltr;
    }
    
    .memory-timeline::before {
        left: 20px;
    }
    
    .timeline-item::before {
        left: 20px;
    }
    
    .timeline-text {
        padding: 1rem;
        margin-left: 40px;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .quote-content blockquote {
        font-size: 1.2rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .nav-container {
        padding: 1rem;
    }
    
    section {
        padding: 60px 0;
    }
}

/* Animation Classes */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Smooth scrolling for older browsers */
@media (prefers-reduced-motion: no-preference) {
    html {
        scroll-behavior: smooth;
    }
}