/* ===== MODERN ELEGANT DESIGN ===== */

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

:root {
    /* Color Palette - Professional */
    --primary-color: #1e293b;
    --secondary-color: #334155;
    --accent-color: #c49b61;
    --accent-light: #d4af37;
    --text-primary: #ffffff;
    --text-secondary: #94a3b8;
    --text-dark: #1e293b;
    --bg-light: #f8fafc;
    --bg-dark: #0f172a;
    --gradient-primary: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    --gradient-accent: linear-gradient(135deg, #c49b61 0%, #d4af37 100%);
    --gradient-dark: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    
    /* Typography */
    --font-primary: 'Inter', sans-serif;
    --font-heading: 'Playfair Display', serif;
    
    /* Spacing */
    --container-max-width: 1200px;
    --section-padding: 100px 0;
    --border-radius: 12px;
    --border-radius-small: 8px;
    
    /* Shadows - Professional */
    --shadow-light: 0 4px 20px rgba(30, 41, 59, 0.08);
    --shadow-medium: 0 8px 30px rgba(30, 41, 59, 0.12);
    --shadow-heavy: 0 16px 50px rgba(30, 41, 59, 0.15);
    --shadow-elegant: 0 2px 10px rgba(30, 41, 59, 0.05);
    
    /* Transitions */
    --transition-fast: all 0.3s ease;
    --transition-smooth: all 0.6s ease;
}

/* Base Styles */
html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: var(--font-primary);
    font-weight: 400;
    line-height: 1.7;
    color: var(--text-dark);
    background: var(--bg-light);
    overflow-x: hidden;
}

/* Container */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 20px;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient-accent);
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== NAVIGATION ===== */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(30, 41, 59, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    z-index: 1000;
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-elegant);
}

.navbar.scrolled {
    background: rgba(30, 41, 59, 0.98);
    box-shadow: var(--shadow-medium);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    max-width: var(--container-max-width);
    margin: 0 auto;
}

.nav-logo img {
    height: 50px;
    width: auto;
    transition: var(--transition-fast);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
    align-items: center;
}

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    letter-spacing: 0.5px;
    position: relative;
    transition: var(--transition-fast);
    padding: 10px 0;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transition: var(--transition-fast);
}

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

.nav-link.btn-primary {
    background: var(--gradient-accent);
    padding: 12px 25px;
    border-radius: 25px;
    border: none;
    color: white;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(196, 155, 97, 0.25);
    transition: var(--transition-fast);
}

.nav-link.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(196, 155, 97, 0.35);
}

.nav-link.btn-primary::after {
    display: none;
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition-fast);
}

/* ===== HERO SECTION ===== */
.hero {
    position: relative;
    height: 100vh;
    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, rgba(26, 26, 46, 0.6), rgba(22, 33, 62, 0.6)), 
                url('assets/images/gold_vault.jpg') center/cover;
    z-index: -2;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-dark);
    opacity: 0.3;
    z-index: -1;
}

.hero-content {
    text-align: center;
    max-width: 900px;
    padding: 0 20px;
    animation: fadeInUp 1s ease 0.5s both;
}

.hero-title {
    margin-bottom: 30px;
}

.title-main {
    display: block;
    font-family: var(--font-heading);
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
    line-height: 1.1;
}

.title-sub {
    display: block;
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    color: var(--accent-light);
    font-weight: 300;
    letter-spacing: 4px;
    text-transform: uppercase;
    margin-top: 8px;
}

.hero-description {
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.8;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 30px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 18px 35px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    letter-spacing: 0.5px;
    transition: var(--transition-fast);
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-accent);
    color: white;
    box-shadow: 0 6px 20px rgba(196, 155, 97, 0.25);
    letter-spacing: 0.025em;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(196, 155, 97, 0.35);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border: 2px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.4);
    transform: translateY(-3px);
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-arrow {
    width: 2px;
    height: 40px;
    background: var(--text-primary);
    position: relative;
}

.scroll-arrow::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%) rotate(45deg);
    width: 8px;
    height: 8px;
    border-right: 2px solid var(--text-primary);
    border-bottom: 2px solid var(--text-primary);
}

/* ===== NOTICE SECTION ===== */
.notice-section {
    padding: var(--section-padding);
    background: var(--bg-light);
}

.notice-card {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 40px;
    align-items: center;
    background: white;
    padding: 50px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    border-left: 5px solid var(--accent-color);
}

.notice-icon {
    font-size: 3rem;
    color: var(--accent-color);
}

.notice-title {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.notice-text {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.notice-image {
    width: 200px;
    height: 150px;
    border-radius: var(--border-radius-small);
    overflow: hidden;
}

.notice-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ===== CAROUSEL SECTION ===== */
.carousel-section {
    padding: var(--section-padding);
    background: var(--primary-color);
}

.carousel-section .section-title {
    color: var(--text-primary);
}

.carousel-section .section-subtitle {
    color: var(--text-secondary);
}

.modern-carousel {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
}

.carousel-container {
    position: relative;
    height: 600px;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-heavy);
}

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: var(--transition-smooth);
}

.carousel-slide.active {
    opacity: 1;
}

.carousel-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.slide-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    padding: 60px 40px 40px;
    color: white;
}

.slide-content h3 {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    margin-bottom: 15px;
    font-weight: 600;
}

.slide-content p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
}

.carousel-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 20px;
    pointer-events: none;
}

.carousel-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition-fast);
    pointer-events: all;
    backdrop-filter: blur(10px);
}

.carousel-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

.carousel-indicators {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 15px;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: var(--transition-fast);
}

.indicator.active {
    background: var(--accent-color);
    transform: scale(1.2);
}

/* ===== SERVICES SECTION ===== */
.services-section {
    padding: var(--section-padding);
    background: var(--bg-light);
    position: relative;
}

.services-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(30, 41, 59, 0.1), transparent);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.service-card {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-light);
    transition: var(--transition-fast);
    position: relative;
}

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

.service-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.service-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(30, 41, 59, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-fast);
}

.service-overlay i {
    font-size: 3rem;
    color: var(--accent-color);
}

.service-card:hover .service-overlay {
    opacity: 1;
}

.service-card:hover .service-image img {
    transform: scale(1.1);
}

.service-content {
    padding: 30px;
}

.service-content h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 10px;
    font-weight: 600;
}

.service-content p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===== STORAGE SECTION ===== */
.storage-section {
    padding: var(--section-padding);
    background: white;
}

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

.storage-item {
    text-align: center;
    padding: 40px 30px;
    border-radius: var(--border-radius);
    background: var(--bg-light);
    transition: var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.storage-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-accent);
    opacity: 0.05;
    transition: var(--transition-smooth);
}

.storage-item:hover::before {
    left: 0;
}

.storage-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-light);
}

.storage-image {
    width: 120px;
    height: 120px;
    margin: 0 auto 25px;
    border-radius: 50%;
    overflow: hidden;
    border: 4px solid var(--accent-color);
    transition: var(--transition-fast);
}

.storage-item:hover .storage-image {
    transform: scale(1.1);
    border-color: var(--accent-light);
}

.storage-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.storage-content h3 {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    color: var(--primary-color);
    margin-bottom: 10px;
    font-weight: 600;
}

.storage-content p {
    color: var(--text-secondary);
}

/* ===== WHY SECTION ===== */
.why-section {
    padding: var(--section-padding);
    background: linear-gradient(180deg, var(--bg-light) 0%, #ffffff 100%);
    position: relative;
}

.why-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(30, 41, 59, 0.1), transparent);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 40px;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 25px;
    padding: 40px;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    transition: var(--transition-fast);
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.feature-icon {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--gradient-accent);
    padding: 15px;
}

.feature-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    opacity: 1;
}

.feature-content p {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ===== VIDEO SECTION ===== */
.video-section {
    padding: var(--section-padding);
    background: var(--primary-color);
}

.video-section .section-title {
    color: var(--text-primary);
}

.video-section .section-subtitle {
    color: var(--text-secondary);
}

.video-container {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    aspect-ratio: 16/9;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-heavy);
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

/* ===== TESTIMONIALS SECTION ===== */
.testimonials-section {
    padding: var(--section-padding);
    background: white;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.testimonial-card {
    background: var(--bg-light);
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    transition: var(--transition-fast);
    position: relative;
}

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

.testimonial-content {
    margin-bottom: 30px;
    position: relative;
}

.quote-icon {
    position: absolute;
    top: -10px;
    left: -10px;
    font-size: 2rem;
    color: var(--accent-color);
    opacity: 0.5;
}

.testimonial-text {
    font-size: 1.1rem;
    color: var(--text-secondary);
    font-style: italic;
    line-height: 1.7;
    margin-left: 30px;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 20px;
}

.testimonial-author img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--accent-color);
}

.author-info h4 {
    font-size: 1.1rem;
    color: var(--primary-color);
    margin-bottom: 5px;
    font-weight: 600;
}

.author-info span {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* ===== FOOTER ===== */
.footer {
    background: var(--primary-color);
    color: var(--text-primary);
    padding: 60px 0 30px;
}

.footer-content {
    text-align: center;
    margin-bottom: 40px;
}

.footer-section h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    margin-bottom: 25px;
    font-weight: 600;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.social-link {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
    backdrop-filter: blur(10px);
}

.social-link:hover {
    background: var(--accent-color);
    transform: translateY(-3px);
    box-shadow: var(--shadow-elegant);
}

.social-link img {
    width: 24px;
    height: 24px;
    opacity: 1;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    text-align: center;
}

.footer-bottom p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer-bottom span {
    color: var(--accent-color);
    font-weight: 600;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 992px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        right: -100%;
        width: 300px;
        height: calc(100vh - 70px);
        background: rgba(26, 26, 46, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: flex-start;
        padding-top: 50px;
        transition: var(--transition-smooth);
        border-left: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }
    
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .notice-card {
        grid-template-columns: 1fr;
        text-align: center;
        padding: 40px 30px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .feature-item {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 60px 0;
    }
    
    .container {
        padding: 0 15px;
    }
    
    .section-header {
        margin-bottom: 60px;
    }
    
    .carousel-container {
        height: 400px;
    }
    
    .slide-content {
        padding: 40px 20px 20px;
    }
    
    .slide-content h3 {
        font-size: 1.5rem;
    }
    
    .services-grid,
    .storage-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .hero-description {
        font-size: 1.1rem;
    }
    
    .btn {
        padding: 15px 30px;
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .notice-card {
        padding: 30px 20px;
    }
    
    .service-card,
    .testimonial-card {
        margin: 0;
    }
    
    .service-content,
    .testimonial-card {
        padding: 25px;
    }
    
    .feature-item {
        padding: 30px 20px;
    }
    
    .hero-buttons {
        gap: 20px;
    }
    
    .btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }
}