:root {
    --primary: #1a5f4a;
    --primary-light: #2d8a6e;
    --primary-dark: #0d3d2f;
    --secondary: #f4f7f6;
    --text-dark: #1a1a1a;
    --text-medium: #4a4a4a;
    --text-light: #6b7280;
    --white: #ffffff;
    --border: #e5e7eb;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background: var(--white);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    padding: 1rem 0;
}

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

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--primary);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
}

/* Desktop Menu */
.desktop-menu {
    display: flex;
    gap: 2.5rem;
    list-style: none;
}

.desktop-menu a {
    color: var(--text-medium);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.3s ease;
}

.desktop-menu a:hover {
    color: var(--primary);
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 5px;
    z-index: 1002;
}

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

.hamburger.active .bar:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

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

.hamburger.active .bar:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

/* Mobile Menu Overlay */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 300px;
    height: 100vh;
    background: white;
    box-shadow: -5px 0 20px rgba(0,0,0,0.1);
    z-index: 1003;
    transition: right 0.3s ease;
    flex-direction: column;
    padding: 2rem;
    display: flex;
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu-header {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 2rem;
}

.close-menu {
    font-size: 2rem;
    cursor: pointer;
    color: var(--text-dark);
    line-height: 1;
}

.mobile-nav-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.mobile-nav-links a {
    color: var(--text-dark);
    text-decoration: none;
    font-size: 1.25rem;
    font-weight: 600;
    display: block;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border);
}

.mobile-nav-links a:hover {
    color: var(--primary);
}

/* Overlay backdrop */
.overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 1001;
}

.overlay.active {
    display: block;
}

/* Hero Section */
.hero {
    padding: 140px 0 100px;
    background: linear-gradient(135deg, var(--secondary) 0%, var(--white) 100%);
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(26, 95, 74, 0.1);
    color: var(--primary);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.hero h1 {
    font-size: 3rem;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero h1 span {
    color: var(--primary);
}

.hero-description {
    font-size: 1.25rem;
    color: var(--text-medium);
    margin-bottom: 2rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.hero-visual video {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 20px;
    display: block;
    background: #000;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    text-decoration: none;
}

.btn-primary {
    background: var(--primary);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover {
    background: var(--primary);
    color: white;
}

/* Sections */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem;
}

.section-tag {
    display: inline-block;
    color: var(--primary);
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
}

/* Features Grid - UNIFORM BUTTONS */
.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.product-thumb {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 12px;
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.feature-card p {
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.feature-card .btn {
    width: 100%;
    margin-top: auto;
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: rgba(26, 95, 74, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

/* Product List Page */
.product-list {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.product-list-item {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 3rem;
    background: white;
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.product-list-image {
    height: 100%;
    min-height: 250px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

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

.product-list-content {
    padding: 3rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.product-list-content h3 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.product-list-content .product-subtitle {
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 1rem;
}

.product-list-content p {
    margin-bottom: 2rem;
}

.product-list-content .btn {
    align-self: flex-start;
}

/* Product Detail Page */
.product-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.product-detail-image {
    position: sticky;
    top: 100px;
}

.product-detail-img {
    width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
}

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

.product-detail-info h3 {
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--primary);
}

/* Ingredient List */
.ingredient-list {
    margin: 2rem 0;
}

.ingredient-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background: white;
    border-radius: 12px;
    margin-bottom: 1rem;
    border: 1px solid var(--border);
}

.ingredient-icon {
    width: 50px;
    height: 50px;
    background: rgba(26, 95, 74, 0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: var(--primary);
    flex-shrink: 0;
    font-size: 1.25rem;
}

.ingredient-info h4 {
    margin-bottom: 0.25rem;
    color: var(--text-dark);
}

.ingredient-info p {
    font-size: 0.95rem;
    margin-bottom: 0;
    color: var(--text-medium);
}

/* Value List */
.value-list {
    list-style: none;
    margin-top: 1rem;
}

.value-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border);
}

.value-list li:last-child {
    border-bottom: none;
}

.value-check {
    width: 24px;
    height: 24px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.75rem;
    flex-shrink: 0;
    margin-top: 2px;
}

/* Trust Grid */
.trust-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 3rem;
    text-align: center;
}

.trust-item {
    padding: 2rem;
}

.trust-icon {
    width: 80px;
    height: 80px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    box-shadow: var(--shadow);
}

/* Certificate Styles */
.cert-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.cert-card {
    background: white;
    border-radius: 16px;
    padding: 2rem;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    text-align: center;
}

.cert-icon {
    width: 60px;
    height: 60px;
    background: rgba(26, 95, 74, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 2rem;
}

.cert-card h3 {
    margin-bottom: 0.5rem;
    font-size: 1.5rem;
}

.cert-subtitle {
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 1.5rem;
    display: block;
    font-size: 0.9rem;
}

.cert-details {
    text-align: left;
    background: var(--secondary);
    padding: 1.5rem;
    border-radius: 12px;
    margin: 1.5rem 0;
}

.cert-details p {
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    line-height: 1.5;
}

.cert-details p:last-child {
    margin-bottom: 0;
}

.cert-image-container {
    margin-top: 1.5rem;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border);
}

.cert-image {
    width: 100%;
    height: auto;
    max-height: 400px;
    object-fit: contain;
    display: block;
    background: white;
}

/* Contact Grid */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-method {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: rgba(26, 95, 74, 0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-dark);
    font-size: 0.9rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(26, 95, 74, 0.1);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

/* Page Header */
.page-header {
    padding: 140px 0 60px;
    background: linear-gradient(135deg, var(--secondary) 0%, var(--white) 100%);
    text-align: center;
}

.page-header h1 {
    font-size: 3rem;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.page-header p {
    font-size: 1.25rem;
    color: var(--text-medium);
    max-width: 600px;
    margin: 0 auto;
}

/* Content Sections */
.content-section {
    padding: 80px 0;
}

.content-section.alt {
    background: var(--secondary);
}

.content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.content-visual {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

/* Footer */
.footer {
    background: var(--text-dark);
    color: white;
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    margin: 1rem 0;
    font-size: 0.95rem;
}

.footer-column h4 {
    color: white;
    margin-bottom: 1.5rem;
    font-size: 1rem;
}

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

.footer-column li {
    margin-bottom: 0.75rem;
}

.footer-column a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    text-decoration: none;
    transition: all 0.3s ease;
}

.footer-column a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.5);
}

/* Utility Classes */
.mt-2 {
    margin-top: 2rem;
}

/* MOBILE RESPONSIVE DESIGN */
@media (max-width: 1024px) {
    .hero-container,
    .product-detail-grid,
    .content-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .product-detail-image {
        position: relative;
        top: 0;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .trust-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .product-list-item {
        grid-template-columns: 1fr;
    }

    .product-list-image {
        min-height: 200px;
    }

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

@media (max-width: 768px) {
    /* Show hamburger, hide desktop menu */
    .desktop-menu {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    /* Typography */
    h1 {
        font-size: 2rem !important;
    }

    h2 {
        font-size: 1.75rem !important;
    }

    h3 {
        font-size: 1.25rem !important;
    }

    /* Hero adjustments */
    .hero {
        padding: 120px 0 60px;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .hero-buttons .btn {
        width: 100%;
    }

    .hero-visual video {
        height: 250px;
    }

    /* Grids to single column */
    .features-grid,
    .trust-grid,
    .footer-grid {
        grid-template-columns: 1fr;
    }

    /* Product list adjustments */
    .product-list-content {
        padding: 2rem;
    }

    .product-list-content .btn {
        align-self: stretch;
    }

    .product-detail-img {
        max-height: 300px;
        object-fit: cover;
    }

    /* Form adjustments */
    .form-row {
        grid-template-columns: 1fr;
    }

    /* Cert cards */
    .cert-card {
        padding: 1.5rem;
    }

    .cert-image {
        max-height: 300px;
    }

    /* Ingredient items */
    .ingredient-item {
        flex-direction: column;
        text-align: center;
    }

    .ingredient-icon {
        margin: 0 auto;
    }

    /* Contact method */
    .contact-method {
        flex-direction: column;
        text-align: center;
    }

    .contact-icon {
        margin: 0 auto;
    }

    /* Footer */
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

/* Small mobile devices */
@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }

    .btn {
        padding: 0.875rem 1.5rem;
        font-size: 0.95rem;
    }

    section {
        padding: 60px 0;
    }

    .page-header {
        padding: 120px 0 40px;
    }

    .feature-card {
        padding: 1.5rem;
    }

    .cert-details {
        padding: 1rem;
    }
}