/* ============================================
   GLOBAL STYLES
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #0ea5e9;
    --secondary-color: #06b6d4;
    --accent-color: #0284c7;
    --dark-bg: #0f172a;
    --light-bg: #f0f9ff;
    --text-dark: #1e293b;
    --text-light: #64748b;
    --border-color: #bae6fd;
    --success-color: #10b981;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #ffffff;
    color: var(--text-dark);
    overflow-x: hidden;
}

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

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.logo {
    color: white;
    font-size: 1.5rem;
    font-weight: bold;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    animation: slideInDown 0.6s ease-out;
}

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

.nav-link {
    color: white;
    text-decoration: none;
    position: relative;
    font-weight: 500;
    transition: var(--transition);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: rgba(255, 255, 255, 0.5);
    transition: width 0.3s ease;
}

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

.hamburger {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: white;
    margin: 5px 0;
    transition: var(--transition);
    border-radius: 2px;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 50%, var(--accent-color) 100%);
    position: relative;
    overflow: hidden;
    padding: 4rem 2rem;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
}

.floating-box {
    position: absolute;
    width: 100px;
    height: 100px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    animation: float 6s ease-in-out infinite;
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.floating-box:nth-child(1) {
    top: 10%;
    right: 10%;
    animation-delay: 0s;
    transform: perspective(1000px) rotateX(45deg) rotateY(45deg);
}

.floating-box:nth-child(2) {
    bottom: 20%;
    left: 10%;
    width: 150px;
    height: 150px;
    animation-delay: 1s;
    transform: perspective(1000px) rotateX(-45deg) rotateY(-45deg);
}

.floating-box:nth-child(3) {
    top: 50%;
    right: 5%;
    width: 80px;
    height: 80px;
    animation-delay: 2s;
    transform: perspective(1000px) rotateX(30deg) rotateY(30deg);
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-30px);
    }
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: white;
    animation: slideInUp 0.8s ease-out;
}

.hero-title {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 900;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.word {
    display: inline-block;
    animation: fadeInUp 0.8s ease-out backwards;
}

.word:nth-child(1) { animation-delay: 0.1s; }
.word:nth-child(2) { animation-delay: 0.2s; }
.word:nth-child(3) { animation-delay: 0.3s; }
.word:nth-child(4) { animation-delay: 0.4s; }

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

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    animation: fadeInUp 0.8s ease-out 0.5s backwards;
}

.cta-button {
    padding: 1rem 2.5rem;
    font-size: 1rem;
    background-color: white;
    color: var(--primary-color);
    border: none;
    border-radius: 50px;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    animation: fadeInUp 0.8s ease-out 0.6s backwards;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

/* ============================================
   CATALOG SECTION
   ============================================ */
.catalog {
    padding: 6rem 2rem;
    background-color: var(--light-bg);
}

.section-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    text-align: center;
    margin-bottom: 3rem;
    color: var(--text-dark);
    position: relative;
    animation: slideInDown 0.8s ease-out;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

.filter-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: slideInUp 0.8s ease-out 0.2s backwards;
}

.filter-btn {
    padding: 0.7rem 1.5rem;
    border: 2px solid var(--primary-color);
    background-color: transparent;
    color: var(--primary-color);
    border-radius: 25px;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(99, 102, 241, 0.4);
}

.items-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
    animation: fadeIn 0.6s ease-out;
}

.item-card {
    background-color: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    cursor: pointer;
    animation: slideInUp 0.6s ease-out backwards;
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
}

.item-card:hover {
    transform: translateY(-10px) rotateX(5deg);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

.item-image-container {
    position: relative;
    height: 250px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    perspective: 1000px;
}

.item-image {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    transform-style: preserve-3d;
    animation: rotateImage 20s linear infinite;
}

@keyframes rotateImage {
    0% {
        transform: rotateX(0deg) rotateY(0deg) rotateZ(0deg);
    }
    100% {
        transform: rotateX(360deg) rotateY(360deg) rotateZ(360deg);
    }
}

.item-card:hover .item-image {
    animation: rotateImageFast 5s linear infinite;
}

@keyframes rotateImageFast {
    0% {
        transform: rotateX(0deg) rotateY(0deg) rotateZ(0deg);
    }
    100% {
        transform: rotateX(360deg) rotateY(360deg) rotateZ(360deg);
    }
}

.item-info {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.item-category {
    color: var(--secondary-color);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.item-name {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.item-description {
    color: var(--text-light);
    font-size: 0.95rem;
    margin-bottom: 1rem;
    line-height: 1.5;
}

.item-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.item-action {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    padding: 0.7rem 1.5rem;
    border-radius: 25px;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
    width: 100%;
}

.item-action:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.3);
}

/* ============================================
   BRANCHES SECTION
   ============================================ */
.branches {
    padding: 6rem 2rem;
    background-color: white;
}

.branches-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    animation: fadeIn 0.8s ease-out;
}

.branch-card {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(236, 72, 153, 0.1) 100%);
    padding: 2.5rem;
    border-radius: 15px;
    text-align: center;
    border: 2px solid var(--border-color);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    animation: slideInUp 0.6s ease-out backwards;
}

.branch-card:nth-child(1) { animation-delay: 0.1s; }
.branch-card:nth-child(2) { animation-delay: 0.2s; }
.branch-card:nth-child(3) { animation-delay: 0.3s; }

.branch-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.3) 50%, transparent 70%);
    transform: rotate(45deg);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%) translateY(-100%) rotate(45deg);
    }
    100% {
        transform: translateX(100%) translateY(100%) rotate(45deg);
    }
}

.branch-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
    border-color: var(--primary-color);
}

.branch-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.branch-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.branch-card p {
    color: var(--text-light);
    margin-bottom: 0.3rem;
}

.phone, .email {
    margin-top: 0.8rem !important;
    font-weight: 600;
    color: var(--primary-color) !important;
}

/* ============================================
   TESTIMONIALS SECTION
   ============================================ */
.testimonials {
    padding: 6rem 2rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
}

.testimonials .section-title {
    color: white;
}

.testimonials .section-title::after {
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.6), rgba(255, 255, 255, 0.3));
}

.testimonials-slider {
    display: flex;
    gap: 2rem;
    overflow-x: auto;
    padding: 2rem 0;
    scroll-behavior: smooth;
    animation: slideInUp 0.8s ease-out;
}

.testimonials-slider::-webkit-scrollbar {
    height: 6px;
}

.testimonials-slider::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
}

.testimonials-slider::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.3);
    border-radius: 10px;
}

.testimonials-slider::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.5);
}

.testimonial-card {
    flex: 0 0 calc(100% - 2rem);
    background-color: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
    transition: var(--transition);
    animation: slideInUp 0.6s ease-out backwards;
}

.testimonial-card:nth-child(1) { animation-delay: 0.1s; }
.testimonial-card:nth-child(2) { animation-delay: 0.2s; }
.testimonial-card:nth-child(3) { animation-delay: 0.3s; }
.testimonial-card:nth-child(4) { animation-delay: 0.4s; }

@media (min-width: 768px) {
    .testimonial-card {
        flex: 0 0 calc(50% - 1rem);
    }
}

@media (min-width: 1024px) {
    .testimonial-card {
        flex: 0 0 calc(33.333% - 1.35rem);
    }
}

.testimonial-card:hover {
    transform: translateY(-5px) rotateZ(1deg);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.3);
}

.star-rating {
    color: var(--accent-color);
    font-size: 1.2rem;
    margin-bottom: 1rem;
    display: flex;
    gap: 0.25rem;
}

.testimonial-text {
    color: var(--text-dark);
    font-size: 1rem;
    margin-bottom: 1.5rem;
    line-height: 1.6;
    font-style: italic;
}

.testimonial-author {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.95rem;
}

.slider-controls {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
}

.slider-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 2px solid white;
    background-color: transparent;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition);
}

.slider-btn:hover {
    background-color: rgba(255, 255, 255, 0.2);
    transform: scale(1.1);
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact {
    padding: 6rem 2rem;
    background-color: var(--light-bg);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    animation: fadeIn 0.8s ease-out;
}

@media (max-width: 768px) {
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
}

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

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    animation: slideInLeft 0.6s ease-out backwards;
}

.info-item:nth-child(1) { animation-delay: 0.1s; }
.info-item:nth-child(2) { animation-delay: 0.2s; }
.info-item:nth-child(3) { animation-delay: 0.3s; }

.info-item i {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-top: 0.2rem;
}

.info-item h4 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.info-item p {
    color: var(--text-light);
    margin: 0.25rem 0;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    animation: slideInRight 0.6s ease-out 0.1s backwards;
}

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

.contact-form input,
.contact-form textarea {
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
    background-color: white;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.submit-btn {
    padding: 1rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.submit-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.3);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background-color: var(--dark-bg);
    color: white;
    padding: 3rem 2rem 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
    animation: fadeIn 0.8s ease-out;
}

.footer-section h4 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.footer-section p {
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 0.5rem;
}

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

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

.footer-section a {
    color: var(--text-light);
    text-decoration: none;
    transition: var(--transition);
}

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

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

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(99, 102, 241, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

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

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

/* ============================================
   PRODUCT PAGES
   ============================================ */
.breadcrumb {
    background-color: var(--light-bg);
    padding: 1.5rem 0;
    border-bottom: 2px solid var(--border-color);
    animation: slideInDown 0.6s ease-out;
}

.breadcrumb a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
    font-weight: 500;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

.breadcrumb span {
    color: var(--text-dark);
    font-weight: 600;
}

.product-detail {
    padding: 4rem 2rem;
    min-height: 70vh;
    animation: fadeIn 0.8s ease-out;
}

.product-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

@media (max-width: 768px) {
    .product-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

.product-image {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 15px;
    min-height: 400px;
    animation: slideInLeft 0.8s ease-out 0.2s backwards;
}

.product-icon {
    font-size: 8rem;
    animation: rotateImage 20s linear infinite;
}

.product-info {
    animation: slideInRight 0.8s ease-out 0.2s backwards;
}

.product-info h1 {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    color: var(--text-dark);
    margin-bottom: 0.5rem;
    line-height: 1.3;
}

.product-category {
    color: var(--secondary-color);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

.product-info h2 {
    font-size: 1.4rem;
    color: var(--text-dark);
    margin-top: 2rem;
    margin-bottom: 1rem;
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 0.5rem;
}

.product-description ul,
.product-specs ul,
.product-features ul {
    list-style: none;
    margin-left: 0;
}

.product-description li,
.product-specs li,
.product-features li {
    padding: 0.5rem 0;
    color: var(--text-light);
    position: relative;
    padding-left: 1.5rem;
}

.product-description li:before,
.product-specs li:before,
.product-features li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.product-specs li:before,
.product-features li:before {
    content: "•";
    color: var(--secondary-color);
}

.product-pricing {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 2rem;
    border-radius: 15px;
    margin-top: 2rem;
    animation: slideInUp 0.8s ease-out 0.4s backwards;
}

.product-pricing h2 {
    color: white;
    border-bottom-color: rgba(255, 255, 255, 0.3);
    margin-top: 0;
}

.price-note {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 1.5rem;
}

/* Related Products */
.related-products {
    padding: 4rem 2rem;
    background-color: var(--light-bg);
}

.related-products h2 {
    font-size: 2rem;
    margin-bottom: 2rem;
    text-align: center;
    color: var(--text-dark);
}

.related-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    animation: fadeIn 0.8s ease-out;
}

.related-item {
    background-color: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    text-decoration: none;
    color: var(--text-dark);
    transition: var(--transition);
    border: 2px solid transparent;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.related-item:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.2);
}

.related-item .icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}

.related-item p {
    font-weight: 600;
    color: var(--primary-color);
}

/* FAQ Section */
.faq {
    padding: 4rem 2rem;
}

.faq-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    animation: fadeIn 0.8s ease-out;
}

.faq-item {
    background-color: var(--light-bg);
    padding: 2rem;
    border-radius: 15px;
    border-left: 4px solid var(--primary-color);
    transition: var(--transition);
}

.faq-item:hover {
    transform: translateX(5px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.faq-item h3 {
    color: var(--text-dark);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.faq-item p {
    color: var(--text-light);
    line-height: 1.6;
}

/* ============================================
   MODAL
   ============================================ */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    animation: fadeIn 0.3s ease-out;
}

.modal-content {
    background-color: white;
    margin: 5% auto;
    padding: 2rem;
    border-radius: 15px;
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    overflow-y: auto;
    animation: slideInUp 0.3s ease-out;
}

.close {
    color: var(--text-light);
    float: right;
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition);
}

.close:hover {
    color: var(--text-dark);
}

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

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

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

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
        flex-direction: column;
        gap: 0;
        padding: 1rem;
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-link {
        padding: 0.7rem 0;
    }

    .hamburger {
        display: flex;
    }

    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(10px, 10px);
    }

    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .items-grid {
        grid-template-columns: 1fr;
    }

    .filter-buttons {
        gap: 0.5rem;
    }

    .filter-btn {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }

    .modal-content {
        width: 95%;
        margin: 20% auto;
    }

    .floating-box {
        width: 60px;
        height: 60px;
    }

    .floating-box:nth-child(2) {
        width: 100px;
        height: 100px;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 2rem 1rem;
    }

    .hero-title {
        font-size: 1.5rem;
    }

    .cta-button {
        padding: 0.8rem 2rem;
        font-size: 0.95rem;
    }

    .section-title {
        font-size: 1.5rem;
        margin-bottom: 2rem;
    }

    .items-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .item-card {
        animation: none;
    }

    .contact-form input,
    .contact-form textarea {
        padding: 0.8rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }
}