/* ===========================
   GLOBAL STYLES & VARIABLES
   =========================== */

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

:root {
    --primary-color: #000;
    --secondary-color: #fff;
    --text-color: #333;
    --light-gray: #f5f5f5;
    --border-color: #e0e0e0;
    --accent-color: #d4a574;
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-size-base: 14px;
    --font-size-lg: 18px;
    --font-size-xl: 24px;
    --font-size-2xl: 32px;
    --font-size-3xl: 40px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    color: var(--text-color);
    line-height: 1.6;
    background-color: var(--secondary-color);
}

/* ===========================
   UTILITY CLASSES
   =========================== */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ===========================
   HEADER STYLES
   =========================== */

.header {
    background: linear-gradient(180deg, var(--secondary-color) 0%, #fafaf9 100%);
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: var(--spacing-md) 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.logo h1 {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--primary-color);
    margin: 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--text-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav ul {
    list-style: none;
    display: flex;
    gap: var(--spacing-xl);
}

.nav a {
    text-decoration: none;
    color: var(--text-color);
    font-size: 13px;
    font-weight: 600;
    transition: var(--transition);
    position: relative;
    padding: 8px 0;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: linear-gradient(135deg, var(--accent-color) 0%, #c9956a 100%);
    transition: var(--transition);
}

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

.nav a:hover::after {
    width: 100%;
}

.cart-icon {
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    position: relative;
    background: linear-gradient(135deg, transparent 0%, rgba(212, 165, 116, 0.05) 100%);
    border: 1px solid rgba(212, 165, 116, 0.2);
}

.cart-icon:hover {
    background: linear-gradient(135deg, rgba(212, 165, 116, 0.15) 0%, rgba(212, 165, 116, 0.08) 100%);
    border-color: rgba(212, 165, 116, 0.4);
    transform: scale(1.1);
}

.cart-icon svg {
    stroke-width: 2;
    stroke: var(--primary-color);
    transition: var(--transition);
}

/* ===========================
   HERO SECTION
   =========================== */

.hero {
    background: linear-gradient(135deg, rgba(250, 250, 248, 0.75) 0%, rgba(245, 242, 237, 0.75) 100%), url('images/bottlebackground.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    padding: var(--spacing-xl) var(--spacing-md);
    text-align: center;
    min-height: 450px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.hero h2 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
    animation: slideInDown 0.8s ease-out;
    position: relative;
    z-index: 2;
}

.hero p {
    font-size: var(--font-size-lg);
    color: #666;
    margin-bottom: var(--spacing-lg);
    animation: slideInUp 0.8s ease-out 0.1s both;
    position: relative;
    z-index: 2;
}

@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);
    }
}

.cta-button {
    background: linear-gradient(135deg, var(--primary-color) 0%, #1a1a1a 100%);
    color: var(--secondary-color);
    border: 2px solid var(--accent-color);
    padding: 14px 28px;
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(212, 165, 116, 0.2);
    z-index: 2;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--accent-color) 0%, #c9956a 100%);
    z-index: -1;
    transition: var(--transition);
}

.cta-button:hover {
    color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(212, 165, 116, 0.4);
}

.cta-button:hover::before {
    left: 0;
}

.cta-button.secondary {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.cta-button.secondary::before {
    background: linear-gradient(135deg, var(--primary-color) 0%, #1a1a1a 100%);
}

.cta-button.secondary:hover {
    color: var(--secondary-color);
    border-color: var(--primary-color);
}

/* ===========================
   BESTSELLERS SECTION
   =========================== */

.bestsellers {
    padding: var(--spacing-xl) var(--spacing-md);
    background: linear-gradient(135deg, #ffffff 0%, #f9f7f3 100%);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.section-header h3 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
}

.view-all {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 600;
    transition: var(--transition);
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.view-all::after {
    content: '→';
    display: inline-block;
    transition: var(--transition);
}

.view-all:hover {
    color: var(--accent-color);
}

.view-all:hover::after {
    transform: translateX(3px);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.product-card {
    background-color: var(--secondary-color);
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: var(--transition);
    cursor: pointer;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.product-card:hover {
    box-shadow: 0 20px 40px rgba(212, 165, 116, 0.2);
    transform: translateY(-8px);
    border-color: var(--accent-color);
}

.product-image {
    position: relative;
    width: 100%;
    overflow: hidden;
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    background: linear-gradient(135deg, #f5f5f5 0%, #e8e8e8 100%);
    color: #999;
}

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


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

.badge {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    background: linear-gradient(135deg, var(--primary-color) 0%, #1a1a1a 100%);
    color: var(--secondary-color);
    padding: 6px 14px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: 4px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.product-info {
    padding: var(--spacing-md);
}

.product-info h4 {
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    line-height: 1.4;
}

.benefits {
    font-size: 12px;
    color: #666;
    margin-bottom: var(--spacing-xs);
}

.size {
    font-size: 12px;
    color: #999;
    margin-bottom: var(--spacing-xs);
}

.price {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.add-to-cart {
    width: 100%;
    padding: 12px;
    background: linear-gradient(135deg, #f5f5f5 0%, #efefef 100%);
    border: 2px solid var(--accent-color);
    color: var(--primary-color);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-size: var(--font-size-base);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
    border-radius: 6px;
}

.add-to-cart::after {
    content: '→';
    position: absolute;
    right: 15px;
    opacity: 0;
    transform: translateX(-5px);
    transition: var(--transition);
}

.add-to-cart:hover {
    background: linear-gradient(135deg, var(--primary-color) 0%, #1a1a1a 100%);
    color: var(--secondary-color);
    border-color: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(212, 165, 116, 0.3);
}

.add-to-cart:hover::after {
    opacity: 1;
    transform: translateX(0);
}

/* ===========================
   CONCERNS SECTION
   =========================== */

.concerns {
    padding: var(--spacing-xl) var(--spacing-md);
    background: linear-gradient(135deg, #f5f5f5 0%, #efefef 100%);
}

.concerns h3 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    text-align: center;
}

.section-subtitle {
    text-align: center;
    color: #666;
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-base);
}

.concerns-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-lg);
}

.concern-card {
    background: linear-gradient(135deg, var(--secondary-color) 0%, #fafafa 100%);
    padding: 0;
    text-align: center;
    border: 2px solid var(--border-color);
    transition: var(--transition);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    border-radius: 10px;
    display: flex;
    flex-direction: column;
}

.concern-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: var(--transition);
}

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

.concern-card h4 {
    padding: var(--spacing-md) var(--spacing-md) var(--spacing-sm);
    margin: 0;
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-color);
}

.concern-card p {
    padding: 0 var(--spacing-md) var(--spacing-md);
    margin: 0;
    color: #999;
    font-size: var(--font-size-base);
}

.concern-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #fafafa 0%, var(--light-gray) 100%);
    z-index: -1;
    transition: var(--transition);
}

.concern-card:hover {
    box-shadow: 0 15px 35px rgba(212, 165, 116, 0.25);
    transform: translateY(-6px);
    border-color: var(--accent-color);
}

.concern-card:hover::before {
    left: 0;
}

.concern-card:hover h4 {
    color: var(--accent-color);
}

.concern-card h4 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.concern-card p {
    color: #666;
    font-size: var(--font-size-base);
}

/* ===========================
   ABOUT SECTION
   =========================== */

.about {
    padding: var(--spacing-xl) var(--spacing-md);
    background: linear-gradient(135deg, #ffffff 0%, #fafaf8 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.about::before {
    content: '';
    position: absolute;
    bottom: -50%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(212, 165, 116, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.about h3 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.about p {
    color: #666;
    font-size: var(--font-size-base);
    max-width: 600px;
    margin: 0 auto var(--spacing-lg);
    line-height: 1.8;
}

/* ===========================
   NEWSLETTER SECTION
   =========================== */

.newsletter {
    padding: var(--spacing-xl) var(--spacing-md);
    background: linear-gradient(135deg, #f5f5f5 0%, #efefef 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.newsletter::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(212, 165, 116, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.newsletter h3 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.newsletter p {
    color: #666;
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-base);
}

.newsletter-form {
    max-width: 400px;
    margin: 0 auto;
    display: flex;
    gap: var(--spacing-xs);
}

.newsletter-form input {
    flex: 1;
    padding: 12px var(--spacing-md);
    border: 2px solid var(--border-color);
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    border-radius: 6px;
    transition: var(--transition);
}

.newsletter-form input:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(212, 165, 116, 0.1);
}

.newsletter-form button {
    padding: 12px var(--spacing-lg);
    background: linear-gradient(135deg, var(--primary-color) 0%, #1a1a1a 100%);
    color: var(--secondary-color);
    border: 2px solid var(--accent-color);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    font-size: var(--font-size-base);
    letter-spacing: 0.5px;
    position: relative;
    overflow: hidden;
    border-radius: 6px;
    box-shadow: 0 4px 15px rgba(212, 165, 116, 0.2);
}

.newsletter-form button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--accent-color) 0%, #c9956a 100%);
    z-index: -1;
    transition: var(--transition);
}

.newsletter-form button:hover {
    color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(212, 165, 116, 0.4);
}

.newsletter-form button:hover::before {
    left: 0;
}

/* ===========================
   FOOTER STYLES
   =========================== */

.footer {
    background-color: #1a1a1a;
    color: #fff;
    padding: var(--spacing-xl) var(--spacing-md);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-column h5 {
    font-size: var(--font-size-base);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

.footer-column li {
    margin-bottom: var(--spacing-sm);
}

.footer-column a {
    color: #ccc;
    text-decoration: none;
    font-size: 13px;
    transition: var(--transition);
}

.footer-column a:hover {
    color: #fff;
}

.footer-bottom {
    border-top: 1px solid #333;
    padding-top: var(--spacing-lg);
}

.social-links {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.social-links a {
    color: #ccc;
    text-decoration: none;
    font-size: 13px;
    transition: var(--transition);
}

.social-links a:hover {
    color: #fff;
}

.footer-bottom p {
    text-align: center;
    color: #999;
    font-size: 12px;
}

/* ===========================
   RESPONSIVE DESIGN
   =========================== */

/* Tablets: 768px */
@media (max-width: 768px) {
    :root {
        --spacing-md: 16px;
        --spacing-lg: 24px;
        --spacing-xl: 32px;
        --font-size-2xl: 28px;
        --font-size-3xl: 32px;
    }

    .header-container {
        flex-wrap: wrap;
        gap: var(--spacing-md);
    }

    .logo h1 {
        font-size: var(--font-size-xl);
        flex: 1;
    }

    .nav {
        order: 3;
        flex-basis: 100%;
    }

    .nav ul {
        gap: var(--spacing-md);
        justify-content: center;
    }

    .nav a {
        font-size: 13px;
    }

    .hero {
        min-height: 300px;
        padding: var(--spacing-lg) var(--spacing-md);
    }

    .hero h2 {
        font-size: var(--font-size-2xl);
    }

    .hero p {
        font-size: var(--font-size-base);
    }

    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }

    .section-header h3 {
        font-size: var(--font-size-xl);
    }

    .products-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: var(--spacing-md);
    }

    .concerns-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }

    .concern-card {
        padding: var(--spacing-md);
    }

    .newsletter-form {
        flex-direction: column;
    }

    .newsletter-form input,
    .newsletter-form button {
        width: 100%;
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }

    .bestsellers,
    .about,
    .newsletter,
    .concerns {
        padding: var(--spacing-lg) var(--spacing-md);
    }
}

/* Mobile: 480px */
@media (max-width: 480px) {
    :root {
        --spacing-sm: 12px;
        --spacing-md: 12px;
        --spacing-lg: 16px;
        --spacing-xl: 24px;
        --font-size-base: 13px;
        --font-size-lg: 16px;
        --font-size-xl: 20px;
        --font-size-2xl: 22px;
        --font-size-3xl: 26px;
    }

    .header-container {
        padding: 0 var(--spacing-md);
    }

    .logo h1 {
        font-size: 18px;
    }

    .nav ul {
        gap: var(--spacing-md);
        font-size: 11px;
    }

    .nav a {
        font-size: 11px;
    }

    .hero {
        min-height: 250px;
        padding: var(--spacing-lg) var(--spacing-sm);
    }

    .hero h2 {
        font-size: 22px;
        margin-bottom: var(--spacing-sm);
    }

    .hero p {
        font-size: 14px;
        margin-bottom: var(--spacing-md);
    }

    .cta-button {
        padding: 10px 16px;
        font-size: 12px;
    }

    .section-header h3 {
        font-size: 20px;
    }

    .products-grid {
        grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
        gap: var(--spacing-sm);
    }

    .product-image {
        aspect-ratio: 1;
    }

    .product-info {
        padding: var(--spacing-sm);
    }

    .product-info h4 {
        font-size: 12px;
    }

    .benefits,
    .size {
        font-size: 11px;
    }

    .price {
        font-size: 14px;
    }

    .add-to-cart {
        padding: 8px;
        font-size: 11px;
    }

    .concerns h3 {
        font-size: 20px;
    }

    .concerns-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-sm);
    }

    .concern-card {
        padding: var(--spacing-md);
    }

    .concern-card h4 {
        font-size: 14px;
    }

    .concern-card p {
        font-size: 12px;
    }

    .about h3 {
        font-size: 20px;
        margin-bottom: var(--spacing-sm);
    }

    .about p {
        font-size: 13px;
        margin-bottom: var(--spacing-md);
    }

    .newsletter h3 {
        font-size: 20px;
        margin-bottom: var(--spacing-sm);
    }

    .newsletter p {
        font-size: 13px;
        margin-bottom: var(--spacing-md);
    }

    .newsletter-form {
        max-width: 100%;
    }

    .newsletter-form input {
        padding: 10px 12px;
        font-size: 13px;
    }

    .newsletter-form button {
        padding: 10px 12px;
        font-size: 11px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }

    .footer-column h5 {
        font-size: 12px;
        margin-bottom: var(--spacing-sm);
    }

    .footer-column li {
        margin-bottom: var(--spacing-xs);
    }

    .footer-column a {
        font-size: 12px;
    }

    .social-links {
        gap: var(--spacing-md);
        margin-bottom: var(--spacing-sm);
    }

    .social-links a {
        font-size: 12px;
    }

    .footer-bottom p {
        font-size: 11px;
    }

    .bestsellers,
    .about,
    .newsletter,
    .concerns {
        padding: var(--spacing-lg) var(--spacing-sm);
    }
}

/* Extra Small Devices: 320px */
@media (max-width: 320px) {
    :root {
        --spacing-xs: 4px;
        --spacing-sm: 8px;
        --spacing-md: 10px;
        --spacing-lg: 12px;
        --spacing-xl: 16px;
        --font-size-base: 12px;
    }

    .logo h1 {
        font-size: 16px;
    }

    .nav {
        display: none;
    }

    .hero h2 {
        font-size: 18px;
    }

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

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