/* ============================================
   DAVISCO NUTRITION - PREMIUM WEBSITE
   ============================================ */

:root {
    --primary-red: #DC143C;
    --primary-dark-red: #B22333;
    --secondary-blue: #002868;
    --light-blue: #003DA5;
    --white: #FFFFFF;
    --dark-text: #1a1a1a;
    --light-text: #555555;
    --bg-light: #f8f9fa;
    --bg-dark: #1a1a1a;
    --border-color: #e0e0e0;
    --shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 50px rgba(0, 0, 0, 0.15);
}

/* ============================================
   RESET & GLOBAL STYLES
   ============================================ */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    color: var(--dark-text);
    background-color: var(--white);
    line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Playfair Display', serif;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

button {
    cursor: pointer;
    border: none;
    transition: all 0.3s ease;
    font-family: 'Poppins', sans-serif;
}

/* ============================================
   NAVIGATION
   ============================================ */

.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: var(--white);
    box-shadow: var(--shadow);
    z-index: 1000;
    padding: 1rem 0;
}

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

.nav-brand {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
}

.nav-brand h1 {
    color: var(--primary-red);
    font-size: 1.8rem;
    margin: 0;
    letter-spacing: 2px;
}

.brand-subtitle {
    color: var(--secondary-blue);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 1px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-link {
    color: var(--dark-text);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-bottom: 2px solid transparent;
    transition: all 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-red);
    border-bottom-color: var(--primary-red);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    z-index: 1001;
    position: relative;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--dark-text);
    margin: 3px 0;
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* Hamburger menu animation - transform to X */
.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);
}

/* Mobile Menu Overlay */
.mobile-menu-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    backdrop-filter: blur(2px);
}

.mobile-menu-overlay.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

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

.hero {
    margin-top: 70px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: 2rem;
}

.usa-badge {
    position: absolute;
    top: 100px;
    background: linear-gradient(135deg, #DC143C, #003DA5);
    color: white;
    padding: 0.8rem 1.5rem;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.85rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    z-index: 2;
    animation: slideDown 0.8s ease;
    white-space: nowrap;
}

/* Mobile Responsiveness for USA Badge */
@media (max-width: 768px) {
    .usa-badge {
        top: 85px;
        padding: 0.6rem 1rem;
        font-size: 0.75rem;
        letter-spacing: 1px;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.25);
    }
}

@media (max-width: 480px) {
    .usa-badge {
        top: 75px;
        padding: 0.5rem 0.8rem;
        font-size: 0.65rem;
        letter-spacing: 0.5px;
        box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
    }
}

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

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

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-red) 0%, var(--secondary-blue) 100%);
    z-index: -1;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    filter: blur(80px);
}

.hero-background::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -5%;
    width: 400px;
    height: 400px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 50%;
    filter: blur(60px);
}

.hero-content {
    text-align: center;
    color: var(--white);
    max-width: 800px;
    z-index: 1;
    animation: fadeInUp 1s ease;
}

.hero-title {
    font-size: 4rem;
    margin-bottom: 1rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    font-weight: 300;
    letter-spacing: 1px;
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.95;
    line-height: 1.8;
}

.cta-button {
    display: inline-block;
    background: var(--white);
    color: var(--primary-red);
    padding: 1rem 2.5rem;
    border-radius: 50px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    font-size: 0.9rem;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.3);
    background: var(--bg-light);
}

/* ============================================
   SECTIONS & HEADERS
   ============================================ */

section {
    padding: 5rem 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

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

.section-header h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-red), var(--secondary-blue));
    border-radius: 2px;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--light-text);
    margin-top: 2rem;
    letter-spacing: 0.5px;
}

/* ============================================
   PRODUCTS SECTION
   ============================================ */

.products {
    background: var(--bg-light);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
}

.product-card {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.4s ease;
}

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

.product-image-wrapper {
    position: relative;
    overflow: hidden;
    height: 350px;
    background: #f0f0f0;
}

.product-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

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

.product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.quick-view-btn {
    background: var(--primary-red);
    color: var(--white);
    padding: 0.8rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 1px;
}

.quick-view-btn:hover {
    background: var(--primary-dark-red);
    transform: scale(1.05);
}

.view-details-btn {
    background: var(--primary-red);
    color: var(--white);
    padding: 0.8rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 1px;
}

.view-details-btn:hover {
    background: var(--primary-dark-red);
    transform: scale(1.05);
}

.product-info {
    padding: 2rem;
}

.product-name {
    font-size: 1.5rem;
    color: var(--dark-text);
    margin-bottom: 0.5rem;
    letter-spacing: 1px;
}

.product-flavor,
.product-size {
    color: var(--secondary-blue);
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.3rem;
}

.product-price {
    color: var(--primary-red);
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: 0.5px;
}

.product-description {
    color: var(--light-text);
    margin: 1rem 0;
    line-height: 1.6;
    font-size: 0.95rem;
}

.product-features {
    display: flex;
    gap: 0.5rem;
    margin: 1.5rem 0;
    flex-wrap: wrap;
}

.feature {
    background: linear-gradient(135deg, var(--primary-red), var(--primary-dark-red));
    color: var(--white);
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

/* ============================================
   WHY CHOOSE SECTION
   ============================================ */

.why-choose {
    background: var(--white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
}

.feature-card {
    text-align: center;
    padding: 2rem;
    border-radius: 12px;
    background: var(--bg-light);
    transition: all 0.3s ease;
    border-top: 3px solid transparent;
}

.feature-card:nth-child(odd) {
    border-top-color: var(--primary-red);
}

.feature-card:nth-child(even) {
    border-top-color: var(--secondary-blue);
}

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

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--primary-red);
}

.feature-card:nth-child(even) .feature-icon {
    color: var(--secondary-blue);
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--light-text);
    line-height: 1.7;
}

/* ============================================
   COMPARISON SECTION
   ============================================ */

.comparison {
    background: var(--bg-light);
}

.comparison-table {
    overflow-x: auto;
    margin-top: 3rem;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

thead {
    background: linear-gradient(135deg, var(--primary-red), var(--secondary-blue));
    color: var(--white);
}

th {
    padding: 1.5rem;
    text-align: left;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.9rem;
}

td {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

tr:last-child td {
    border-bottom: none;
}

tbody tr:hover {
    background: var(--bg-light);
}

/* ============================================
   TESTIMONIALS SECTION
   ============================================ */

.testimonials {
    background: var(--white);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 12px;
    border-left: 4px solid var(--primary-red);
    transition: all 0.3s ease;
}

.testimonial-card:nth-child(even) {
    border-left-color: var(--secondary-blue);
}

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

.stars {
    margin-bottom: 1rem;
}

.stars i {
    color: #FFD700;
    margin-right: 0.25rem;
}

.testimonial-text {
    font-size: 1rem;
    color: var(--light-text);
    margin-bottom: 1.5rem;
    line-height: 1.7;
    font-style: italic;
}

.testimonial-author {
    font-weight: 600;
    color: var(--dark-text);
    margin-bottom: 0.25rem;
}

.testimonial-role {
    color: var(--primary-red);
    font-size: 0.9rem;
    font-weight: 500;
}

/* ============================================
   CONTACT SECTION
   ============================================ */

.contact {
    background: var(--bg-light);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-top: 3rem;
}

.contact-form {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-family: 'Poppins', sans-serif;
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-red);
    box-shadow: 0 0 0 3px rgba(220, 20, 60, 0.1);
}

.submit-btn {
    width: 100%;
    background: linear-gradient(135deg, var(--primary-red), var(--primary-dark-red));
    color: var(--white);
    padding: 1rem;
    border-radius: 8px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 1rem;
}

.submit-btn:hover {
    transform: scale(1.02);
    box-shadow: 0 6px 20px rgba(220, 20, 60, 0.3);
}

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

.info-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

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

.info-card i {
    font-size: 2.5rem;
    color: var(--primary-red);
    margin-bottom: 1rem;
}

.info-card h3 {
    margin-bottom: 0.5rem;
}

.info-card p {
    color: var(--light-text);
}

.social-links {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 1rem;
}

.social-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-red), var(--primary-dark-red));
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 1.3rem;
    transition: all 0.3s ease;
}

.social-icon:hover {
    background: linear-gradient(135deg, var(--secondary-blue), var(--light-blue));
    transform: scale(1.1) rotate(5deg);
}

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

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

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    color: var(--primary-red);
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.footer-section p {
    color: #aaa;
    line-height: 1.7;
}

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

.footer-section ul li {
    margin-bottom: 0.8rem;
}

.footer-section ul li a {
    color: #aaa;
    transition: all 0.3s ease;
}

.footer-section ul li a:hover {
    color: var(--primary-red);
    padding-left: 0.5rem;
}

.footer-made-in-usa {
    text-align: center;
    padding: 2rem 0;
    border-top: 1px solid #444;
    border-bottom: 1px solid #444;
}

.made-in-usa-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    background: linear-gradient(135deg, var(--primary-red), var(--primary-dark-red));
    color: var(--white);
    padding: 0.8rem 2rem;
    border-radius: 50px;
    font-weight: 700;
    letter-spacing: 1px;
    font-size: 0.95rem;
    text-transform: uppercase;
    box-shadow: 0 4px 15px rgba(220, 20, 60, 0.3);
    transition: all 0.3s ease;
}

.made-in-usa-badge:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(220, 20, 60, 0.4);
}

.made-in-usa-badge i {
    font-size: 1.3rem;
}

.footer-bottom {
    text-align: center;
    border-top: 1px solid #444;
    padding-top: 2rem;
    color: #999;
    font-size: 0.9rem;
}

/* ============================================
   PRODUCT DETAIL PAGE STYLES
   ============================================ */

.product-hero {
    margin-top: 70px;
    background: linear-gradient(135deg, var(--primary-red) 0%, var(--secondary-blue) 100%);
    padding: 3rem 2rem;
    min-height: 80vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.breadcrumb {
    color: var(--white);
    opacity: 0.9;
    margin-bottom: 2rem;
    font-size: 0.9rem;
}

.breadcrumb a {
    color: var(--white);
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.breadcrumb a:hover {
    opacity: 0.7;
}

.product-hero-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.product-hero-image {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-product-img {
    width: 100%;
    max-width: 400px;
    height: auto;
    object-fit: contain;
    animation: fadeInUp 0.8s ease;
}

.premium-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: linear-gradient(135deg, var(--secondary-blue), var(--light-blue));
    color: var(--white);
    padding: 0.5rem 1.2rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.product-hero-info {
    color: var(--white);
    animation: fadeInUp 0.8s ease 0.2s backwards;
}

.product-hero-info h1 {
    font-size: 3.5rem;
    margin-bottom: 0.5rem;
    letter-spacing: 2px;
}

.product-hero-flavor {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.3rem;
    opacity: 0.95;
}

.product-hero-size {
    font-size: 1rem;
    opacity: 0.9;
    margin-bottom: 1.5rem;
}

.product-hero-price {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    opacity: 0.98;
}

.product-hero-description {
    font-size: 1.05rem;
    line-height: 1.8;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.product-hero-highlights {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.highlight {
    background: rgba(255, 255, 255, 0.1);
    padding: 1.5rem;
    border-radius: 12px;
    text-align: center;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.highlight i {
    font-size: 2rem;
    margin-bottom: 0.8rem;
    display: block;
}

.highlight p {
    margin: 0;
    font-size: 0.95rem;
}

.highlight strong {
    display: block;
    margin-bottom: 0.3rem;
}

/* Product Details Section */

.product-details {
    background: var(--white);
    padding: 4rem 2rem;
}

.details-container {
    max-width: 1000px;
    margin: 0 auto;
}

.product-gallery {
    margin-bottom: 4rem;
    padding: 2rem 0;
    border-bottom: 2px solid var(--border-color);
}

.product-gallery h2 {
    font-size: 1.8rem;
    margin-bottom: 2rem;
    color: var(--dark-text);
    text-align: center;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    align-items: center;
    justify-items: center;
}

.gallery-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    width: 100%;
}

.gallery-img {
    max-width: 100%;
    width: 100%;
    height: auto;
    max-height: 400px;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    object-fit: contain;
}

.gallery-img:hover {
    transform: scale(1.05);
    box-shadow: 0 15px 60px rgba(0, 0, 0, 0.2);
}

.gallery-label {
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--primary-red);
}

/* Mobile Responsiveness for Gallery */
@media (max-width: 768px) {
    .gallery-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .gallery-img {
        max-height: 350px;
    }
    
    .product-gallery h2 {
        font-size: 1.4rem;
        margin-bottom: 1.5rem;
    }
}

@media (max-width: 480px) {
    .gallery-img {
        max-height: 280px;
    }
    
    .gallery-label {
        font-size: 0.95rem;
    }
    
    .product-gallery {
        padding: 1rem 0;
        margin-bottom: 2rem;
    }
}

.details-tabs {
    display: flex;
    border-bottom: 2px solid var(--border-color);
    margin-bottom: 2rem;
    gap: 0;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 1rem 1.5rem;
    background: none;
    border: none;
    color: var(--dark-text);
    font-weight: 600;
    cursor: pointer;
    position: relative;
    transition: all 0.3s ease;
}

.tab-btn:hover {
    color: var(--primary-red);
}

.tab-btn.active {
    color: var(--primary-red);
}

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary-red);
}

.tab-content {
    display: none;
    animation: fadeInUp 0.5s ease;
}

.tab-content.active {
    display: block;
}

.tab-content h2 {
    font-size: 2rem;
    margin-bottom: 2rem;
    color: var(--dark-text);
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.spec-card {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 12px;
    border-left: 4px solid var(--primary-red);
    transition: all 0.3s ease;
}

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

.spec-card h3 {
    font-size: 1.1rem;
    margin-bottom: 0.8rem;
    color: var(--dark-text);
}

.spec-card p {
    color: var(--light-text);
}

.nutrition-per-serving {
    font-weight: 600;
    color: var(--secondary-blue);
    margin-bottom: 1.5rem;
    font-size: 1rem;
}

.nutrition-table {
    background: var(--bg-light);
    border-radius: 12px;
    padding: 1.5rem;
}

.nutrition-row {
    display: flex;
    justify-content: space-between;
    padding: 0.8rem 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.95rem;
}

.nutrition-row:last-child {
    border-bottom: none;
}

.nutrition-row.highlight-row {
    background: linear-gradient(135deg, rgba(220, 20, 60, 0.1), rgba(0, 40, 104, 0.1));
    padding: 1rem;
    border-radius: 8px;
    font-size: 1rem;
}

.ingredients-intro {
    margin-bottom: 1.5rem;
    color: var(--light-text);
}

.ingredients-list {
    list-style: none;
    margin-bottom: 2rem;
}

.ingredients-list li {
    padding: 0.8rem 0;
    padding-left: 2rem;
    position: relative;
    color: var(--dark-text);
}

.ingredients-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-red);
    font-weight: bold;
}

.allergen-info {
    background: linear-gradient(135deg, rgba(220, 20, 60, 0.1), rgba(220, 20, 60, 0.05));
    padding: 1.5rem;
    border-radius: 12px;
    border-left: 4px solid var(--primary-red);
}

.allergen-info h3 {
    color: var(--primary-red);
    margin-bottom: 1rem;
}

.allergen-info p {
    color: var(--dark-text);
}

.usage-guide {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.usage-step {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 12px;
    border-top: 4px solid var(--primary-red);
}

.usage-step h3 {
    margin-bottom: 1rem;
    color: var(--dark-text);
}

.usage-step p {
    color: var(--light-text);
    line-height: 1.7;
}

/* Product Benefits Section */

.product-benefits {
    background: var(--bg-light);
    padding: 5rem 2rem;
}

.benefit-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
}

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

.benefit-icon {
    font-size: 3rem;
    color: var(--primary-red);
    margin-bottom: 1rem;
}

.benefit-card:nth-child(even) .benefit-icon {
    color: var(--secondary-blue);
}

.benefit-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.benefit-card p {
    color: var(--light-text);
    line-height: 1.7;
}

/* Product Comparison Section */

.product-comparison {
    background: var(--white);
    padding: 5rem 2rem;
}

.comparison-note {
    text-align: center;
    margin-top: 2rem;
    color: var(--light-text);
}

.comparison-note a {
    color: var(--primary-red);
    font-weight: 600;
}

/* Product Reviews Section */

.product-reviews {
    background: var(--bg-light);
    padding: 5rem 2rem;
}

.review-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 12px;
    border-left: 4px solid var(--primary-red);
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
}

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

.review-card:nth-child(even) {
    border-left-color: var(--secondary-blue);
}

.review-text {
    color: var(--light-text);
    margin-bottom: 1rem;
    font-style: italic;
    line-height: 1.7;
}

.review-author {
    font-weight: 600;
    color: var(--dark-text);
    margin-bottom: 0.25rem;
}

.review-role {
    color: var(--primary-red);
    font-size: 0.9rem;
}

/* Related Products Section */

.related-products {
    background: var(--white);
    padding: 5rem 2rem;
}

.related-products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.related-product-card {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    cursor: pointer;
}

.related-product-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.related-product-image {
    width: 100%;
    height: 300px;
    overflow: hidden;
    background: var(--bg-light);
}

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

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

.related-product-info {
    padding: 1.5rem;
    text-align: center;
}

.related-product-info h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--dark-text);
}

.related-product-info p {
    color: var(--light-text);
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
}

.related-product-flavor {
    color: var(--primary-red);
    font-weight: 600;
    margin-bottom: 1rem;
}

.view-btn {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-red), var(--primary-dark-red));
    color: var(--white);
    padding: 0.6rem 1.5rem;
    border-radius: 20px;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
}

.related-product-card:hover .view-btn {
    transform: scale(1.05);
}

/* Product CTA Section */

.product-cta {
    background: linear-gradient(135deg, var(--primary-red), var(--secondary-blue));
    color: var(--white);
    padding: 4rem 2rem;
    text-align: center;
}

.product-cta h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.product-cta p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

/* ============================================
   ANIMATIONS
   ============================================ */

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

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

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

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

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow);
        padding: 2rem 0;
        list-style: none;
        z-index: 1000;
    }

    .nav-menu.active {
        left: 0;
        animation: slideInLeft 0.3s ease;
    }

    .hamburger {
        display: flex;
    }

    .nav-link {
        display: block;
        padding: 1.5rem;
        border-bottom: 1px solid var(--border-color);
        border-left: 4px solid transparent;
        text-align: left;
        padding-left: 1.5rem;
    }

    .nav-link:hover {
        background: var(--bg-light);
        border-left-color: var(--primary-red);
    }

    .nav-link.active {
        background: var(--bg-light);
        border-left-color: var(--primary-red);
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.3rem;
    }

    .section-header h2 {
        font-size: 2rem;
    }

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

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

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

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

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

    table {
        font-size: 0.9rem;
    }

    th, td {
        padding: 1rem;
    }

    /* Product detail page responsive */
    .product-hero-content {
        grid-template-columns: 1fr;
    }

    .product-hero-info h1 {
        font-size: 2.5rem;
    }

    .product-hero-highlights {
        grid-template-columns: 1fr;
    }

    .details-tabs {
        flex-direction: column;
    }

    .tab-btn {
        border-bottom: 2px solid var(--border-color);
        border-left: 4px solid transparent;
        padding: 1rem;
        text-align: left;
    }

    .tab-btn.active {
        background: var(--bg-light);
        border-left-color: var(--primary-red);
    }

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

    .usage-guide {
        grid-template-columns: 1fr;
    }

    .product-cta h2 {
        font-size: 1.8rem;
    }

    .made-in-usa-badge {
        padding: 0.75rem 1.8rem;
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 0 1rem;
    }

    .nav-brand h1 {
        font-size: 1.3rem;
    }

    .hero {
        margin-top: 60px;
    }

    .hero-title {
        font-size: 1.8rem;
    }

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

    .hero-description {
        font-size: 0.95rem;
    }

    section {
        padding: 3rem 1.5rem;
    }

    .section-header h2 {
        font-size: 1.5rem;
        margin-bottom: 0.5rem;
    }

    .section-header h2::after {
        width: 60px;
        bottom: -10px;
    }

    .product-info {
        padding: 1.5rem;
    }

    .contact-form,
    .info-card {
        padding: 1.5rem;
    }

    .made-in-usa-badge {
        padding: 0.7rem 1.5rem;
        font-size: 0.85rem;
    }

    .made-in-usa-badge i {
        font-size: 1.1rem;
    }
}