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

:root {
    --primary-black: #0a0a0a;
    --pure-white: #ffffff;
    --accent-orange: #ff4e00;
    --light-gray: #f8f9fa;
    --medium-gray: #666666;
    --dark-gray: #333333;
    --spacing-unit: 8px;
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-light: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 4px 16px rgba(0, 0, 0, 0.15);
    --shadow-heavy: 0 8px 32px rgba(0, 0, 0, 0.2);
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--primary-black);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 calc(var(--spacing-unit) * 3);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: var(--transition-smooth);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: calc(var(--spacing-unit) * 2) calc(var(--spacing-unit) * 3);
}

.logo svg {
    transition: var(--transition-smooth);
}

.logo:hover svg {
    transform: scale(1.05);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: calc(var(--spacing-unit) * 5);
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-orange);
    transition: var(--transition-smooth);
}

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

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

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

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--primary-black);
    margin: 3px 0;
    transition: var(--transition-smooth);
}

/* 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%;
    z-index: -2;
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.7);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(10, 10, 10, 0.6) 0%, rgba(255, 78, 0, 0.3) 100%);
    z-index: -1;
}

.hero-content {
    text-align: center;
    color: var(--pure-white);
    z-index: 1;
    animation: heroFadeIn 1s ease-out;
}

.hero-logo {
    margin-bottom: calc(var(--spacing-unit) * 4);
    animation: logoFloat 3s ease-in-out infinite;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    margin-bottom: calc(var(--spacing-unit) * 3);
    line-height: 1.2;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.3rem);
    font-weight: 300;
    margin-bottom: calc(var(--spacing-unit) * 6);
    opacity: 0.9;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: calc(var(--spacing-unit) * 2);
    background: var(--accent-orange);
    color: var(--pure-white);
    border: none;
    padding: calc(var(--spacing-unit) * 2) calc(var(--spacing-unit) * 4);
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-medium);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-heavy);
    background: #e6440a;
}

.cta-button:active {
    transform: translateY(0);
}

/* Collection Section */
.collection {
    padding: calc(var(--spacing-unit) * 12) 0;
    background: var(--pure-white);
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 600;
    text-align: center;
    margin-bottom: calc(var(--spacing-unit) * 2);
    color: var(--primary-black);
}

.section-subtitle {
    text-align: center;
    color: var(--medium-gray);
    margin-bottom: calc(var(--spacing-unit) * 8);
    font-size: 1.1rem;
    font-weight: 300;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: calc(var(--spacing-unit) * 4);
    margin-top: calc(var(--spacing-unit) * 8);
}

.product-card {
    background: var(--pure-white);
    border-radius: 16px;
    overflow: hidden;
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-light);
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-heavy);
}

.product-image {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
}

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

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

.product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 10, 10, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-smooth);
}

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

.product-btn {
    background: var(--accent-orange);
    color: var(--pure-white);
    border: none;
    padding: calc(var(--spacing-unit) * 2) calc(var(--spacing-unit) * 3);
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-smooth);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.product-btn:hover {
    background: #e6440a;
    transform: scale(1.05);
}

.product-name {
    font-size: 1.3rem;
    font-weight: 600;
    margin: calc(var(--spacing-unit) * 3) calc(var(--spacing-unit) * 3) calc(var(--spacing-unit) * 1);
    color: var(--primary-black);
}

.product-description {
    color: var(--medium-gray);
    margin: 0 calc(var(--spacing-unit) * 3) calc(var(--spacing-unit) * 2);
    font-weight: 300;
}

.product-price {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--accent-orange);
    margin: 0 calc(var(--spacing-unit) * 3) calc(var(--spacing-unit) * 3);
    display: block;
}

/* About Section */
.about {
    padding: calc(var(--spacing-unit) * 12) 0;
    background: var(--light-gray);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: calc(var(--spacing-unit) * 8);
    align-items: center;
}

.about-text {
    padding-right: calc(var(--spacing-unit) * 4);
}

.about-description {
    font-size: 1.1rem;
    margin-bottom: calc(var(--spacing-unit) * 3);
    color: var(--dark-gray);
    line-height: 1.8;
}

.about-features {
    margin-top: calc(var(--spacing-unit) * 6);
    display: flex;
    flex-direction: column;
    gap: calc(var(--spacing-unit) * 3);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: calc(var(--spacing-unit) * 3);
    font-weight: 500;
}

.feature-icon {
    font-size: 1.5rem;
    width: 50px;
    height: 50px;
    background: var(--pure-white);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    box-shadow: var(--shadow-light);
}

.about-image img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    border-radius: 16px;
    box-shadow: var(--shadow-medium);
}

/* Testimonials Section */
.testimonials {
    padding: calc(var(--spacing-unit) * 12) 0;
    background: var(--pure-white);
}

.testimonial-slider {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.testimonial-track {
    display: flex;
    transition: transform 0.5s ease-in-out;
}

.testimonial-card {
    min-width: 100%;
    opacity: 0;
    transform: translateX(20px);
    transition: var(--transition-smooth);
}

.testimonial-card.active {
    opacity: 1;
    transform: translateX(0);
}

.testimonial-content {
    text-align: center;
    padding: calc(var(--spacing-unit) * 6);
    background: var(--light-gray);
    border-radius: 20px;
    box-shadow: var(--shadow-light);
}

.testimonial-text {
    font-size: 1.2rem;
    font-style: italic;
    color: var(--dark-gray);
    margin-bottom: calc(var(--spacing-unit) * 4);
    line-height: 1.8;
}

.testimonial-author {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: calc(var(--spacing-unit) * 3);
}

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

.author-info h4 {
    font-weight: 600;
    color: var(--primary-black);
    margin-bottom: calc(var(--spacing-unit) / 2);
}

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

.testimonial-dots {
    display: flex;
    justify-content: center;
    gap: calc(var(--spacing-unit) * 2);
    margin-top: calc(var(--spacing-unit) * 4);
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #ddd;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.dot.active {
    background: var(--accent-orange);
    transform: scale(1.2);
}

.dot:hover {
    background: var(--accent-orange);
}

/* Newsletter Section */
.newsletter {
    padding: calc(var(--spacing-unit) * 10) 0;
    background: linear-gradient(135deg, var(--primary-black) 0%, var(--dark-gray) 100%);
    color: var(--pure-white);
}

.newsletter-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.newsletter-title {
    font-size: 2.2rem;
    font-weight: 600;
    margin-bottom: calc(var(--spacing-unit) * 2);
}

.newsletter-subtitle {
    font-size: 1.1rem;
    opacity: 0.8;
    margin-bottom: calc(var(--spacing-unit) * 6);
    line-height: 1.6;
}

.newsletter-form {
    margin-bottom: calc(var(--spacing-unit) * 3);
}

.input-group {
    display: flex;
    max-width: 500px;
    margin: 0 auto;
    background: var(--pure-white);
    border-radius: 50px;
    padding: calc(var(--spacing-unit) / 2);
    box-shadow: var(--shadow-medium);
}

.input-group input {
    flex: 1;
    border: none;
    outline: none;
    padding: calc(var(--spacing-unit) * 2) calc(var(--spacing-unit) * 3);
    border-radius: 50px;
    font-size: 1rem;
    background: transparent;
}

.submit-btn {
    display: flex;
    align-items: center;
    gap: calc(var(--spacing-unit) * 1);
    background: var(--accent-orange);
    color: var(--pure-white);
    border: none;
    padding: calc(var(--spacing-unit) * 2) calc(var(--spacing-unit) * 3);
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-smooth);
    white-space: nowrap;
}

.submit-btn:hover {
    background: #e6440a;
    transform: scale(1.05);
}

.newsletter-message {
    margin-top: calc(var(--spacing-unit) * 3);
    padding: calc(var(--spacing-unit) * 2);
    border-radius: 8px;
    font-weight: 500;
    transition: var(--transition-smooth);
    opacity: 0;
    transform: translateY(10px);
}

.newsletter-message.success {
    background: rgba(34, 197, 94, 0.2);
    color: #22c55e;
    opacity: 1;
    transform: translateY(0);
}

.newsletter-message.error {
    background: rgba(239, 68, 68, 0.2);
    color: #ef4444;
    opacity: 1;
    transform: translateY(0);
}

/* Footer */
.footer {
    background: var(--primary-black);
    color: var(--pure-white);
    padding: calc(var(--spacing-unit) * 8) 0 calc(var(--spacing-unit) * 4);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: calc(var(--spacing-unit) * 6);
    margin-bottom: calc(var(--spacing-unit) * 6);
}

.footer-brand {
    padding-right: calc(var(--spacing-unit) * 4);
}

.footer-logo {
    margin-bottom: calc(var(--spacing-unit) * 3);
}

.footer-description {
    color: var(--medium-gray);
    line-height: 1.6;
}

.footer-links h4,
.footer-social h4 {
    font-weight: 600;
    margin-bottom: calc(var(--spacing-unit) * 3);
    color: var(--pure-white);
}

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

.footer-links li {
    margin-bottom: calc(var(--spacing-unit) * 1);
}

.footer-links a {
    color: var(--medium-gray);
    text-decoration: none;
    transition: var(--transition-smooth);
}

.footer-links a:hover {
    color: var(--accent-orange);
}

.social-icons {
    display: flex;
    gap: calc(var(--spacing-unit) * 2);
}

.social-link {
    width: 44px;
    height: 44px;
    background: var(--dark-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    color: var(--pure-white);
    transition: var(--transition-smooth);
}

.social-link:hover {
    background: var(--accent-orange);
    transform: scale(1.1);
}

.footer-bottom {
    text-align: center;
    padding-top: calc(var(--spacing-unit) * 4);
    border-top: 1px solid var(--dark-gray);
    color: var(--medium-gray);
}

/* Animations */
@keyframes heroFadeIn {
    0% {
        opacity: 0;
        transform: translateY(30px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* Responsive Design */
@media (max-width: 1024px) {
    .about-content {
        grid-template-columns: 1fr;
        gap: calc(var(--spacing-unit) * 6);
        text-align: center;
    }
    
    .about-text {
        padding-right: 0;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: calc(var(--spacing-unit) * 6);
        text-align: center;
    }
    
    .footer-brand {
        padding-right: 0;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--pure-white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-medium);
        padding: calc(var(--spacing-unit) * 4) 0;
    }

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

    .hamburger {
        display: flex;
    }

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

    .hamburger.active span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .hamburger.active span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .product-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: calc(var(--spacing-unit) * 3);
    }

    .input-group {
        flex-direction: column;
        gap: calc(var(--spacing-unit) * 2);
        padding: calc(var(--spacing-unit) * 2);
    }

    .input-group input,
    .submit-btn {
        border-radius: 12px;
    }

    .testimonial-content {
        padding: calc(var(--spacing-unit) * 4);
    }

    .testimonial-author {
        flex-direction: column;
        gap: calc(var(--spacing-unit) * 2);
    }

    .about-features {
        justify-content: center;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 calc(var(--spacing-unit) * 2);
    }
    
    .nav-container {
        padding: calc(var(--spacing-unit) * 2);
    }

    .hero-content {
        padding: 0 calc(var(--spacing-unit) * 2);
    }

    .product-grid {
        grid-template-columns: 1fr;
    }
    
    .collection,
    .about,
    .testimonials {
        padding: calc(var(--spacing-unit) * 8) 0;
    }
}

/* Smooth Scroll */
html {
    scroll-behavior: smooth;
}

/* Loading Animation */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease-out forwards;
}

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

/* Utility Classes */
.text-center {
    text-align: center;
}

.hidden {
    display: none;
}

/* Focus States for Accessibility */
button:focus-visible,
input:focus-visible,
a:focus-visible {
    outline: 2px solid var(--accent-orange);
    outline-offset: 2px;
}