/* ========================================
   KOLAGEN FORTE - Premium Collagen Website
   Pharmaceutical, clinical, trustworthy design
   ======================================== */

/* CSS Variables */
:root {
    /* Colors - Pharmaceutical/Clinical palette */
    --color-primary: #1a365d;
    --color-primary-dark: #0d1f3c;
    --color-primary-light: #3182ce;
    --color-secondary: #2b6cb0;
    --color-accent: #4299e1;

    --color-silver: #cbd5e0;
    --color-silver-light: #e2e8f0;

    --color-bg: #ffffff;
    --color-bg-alt: #f7fafc;
    --color-bg-section: #edf2f7;

    --color-text: #1a202c;
    --color-text-light: #4a5568;
    --color-text-muted: #718096;

    --color-white: #FFFFFF;
    --color-border: #e2e8f0;

    /* Typography */
    --font-heading: 'Roboto', sans-serif;
    --font-body: 'Roboto', sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 5rem;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.15);

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-fast);
}

ul {
    list-style: none;
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-text);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    letter-spacing: -0.01em;
}

h3 {
    font-size: clamp(1.25rem, 2vw, 1.5rem);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-normal);
}

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

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

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

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

.btn-large {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.btn-full {
    width: 100%;
}

/* Section Styling */
.section-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-primary);
    background-color: var(--color-silver-light);
    border: 1px solid var(--color-silver);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-sm);
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-xl);
}

.section-header p {
    color: var(--color-text-light);
    margin-top: var(--spacing-sm);
    font-size: 1.125rem;
}

/* ========================================
   HEADER & NAVIGATION
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    transition: all var(--transition-normal);
}

.header.scrolled {
    box-shadow: var(--shadow-sm);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    line-height: 1;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 300;
    letter-spacing: 0.2em;
    color: var(--color-text-light);
    text-transform: uppercase;
}

.logo-subtext {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 900;
    letter-spacing: 0.1em;
    color: var(--color-primary);
    text-transform: uppercase;
}

.nav-links {
    display: flex;
    gap: var(--spacing-lg);
}

.nav-links a {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width var(--transition-normal);
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.cart-btn {
    position: relative;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-text);
    padding: 0.5rem;
}

.cart-count {
    position: absolute;
    top: -4px;
    right: -4px;
    width: 18px;
    height: 18px;
    background-color: var(--color-primary);
    color: var(--color-white);
    font-size: 0.625rem;
    font-weight: 600;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-text);
    transition: all var(--transition-fast);
}

/* Mobile Menu */
.mobile-menu {
    display: none;
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-lg);
    z-index: 999;
}

.mobile-menu.active {
    display: block;
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.mobile-nav-links a {
    font-size: 1.125rem;
    font-weight: 500;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-border);
}

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-bg-alt) 100%);
    padding-top: 80px;
    overflow: hidden;
}

/* Hexagon pattern overlay */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='70' viewBox='0 0 60 70' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M30 0l25.98 15v30L30 60 4.02 45V15z' fill='none' stroke='%231a365d' stroke-width='0.5' opacity='0.05'/%3E%3C/svg%3E");
    background-size: 60px 70px;
    opacity: 0.5;
    pointer-events: none;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    padding: var(--spacing-2xl) 0;
}

.hero-text {
    max-width: 600px;
}

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    color: var(--color-primary);
    background-color: var(--color-silver-light);
    border: 1px solid var(--color-silver);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-md);
}

.hero h1 {
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

.hero-description {
    font-size: 1.25rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.hero-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-text);
}

.hero-feature svg {
    color: var(--color-primary);
    flex-shrink: 0;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

/* Hero Product Showcase */
.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.product-showcase {
    position: relative;
    width: 400px;
    height: 400px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.product-glow {
    position: absolute;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(49, 130, 206, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulse 3s ease-in-out infinite;
}

.hero-product-image {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 380px;
    height: auto;
    object-fit: contain;
    filter: drop-shadow(0 20px 40px rgba(26, 54, 93, 0.2));
    transition: transform var(--transition-normal);
}

.hero-product-image:hover {
    transform: scale(1.03);
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

.product-container {
    position: relative;
    z-index: 1;
}

.product-jar {
    width: 180px;
    height: 240px;
    position: relative;
    transform-style: preserve-3d;
    transform: perspective(1000px) rotateY(-15deg) rotateX(5deg);
}

/* Front face of the box */
.product-jar::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: linear-gradient(145deg, #FFFFFF 0%, #f7fafc 50%, #edf2f7 100%);
    border-radius: 8px;
    box-shadow:
        0 25px 50px rgba(26, 54, 93, 0.15),
        0 10px 20px rgba(26, 54, 93, 0.08),
        inset 0 1px 0 rgba(255,255,255,0.9),
        inset 0 -2px 10px rgba(26, 54, 93, 0.03);
    border: 1px solid var(--color-silver);
}

/* Side face of the box (3D effect) */
.product-jar::after {
    content: '';
    position: absolute;
    right: -25px;
    top: 10px;
    width: 25px;
    height: 95%;
    background: linear-gradient(90deg, #e2e8f0 0%, #cbd5e0 100%);
    transform: skewY(-40deg);
    transform-origin: top left;
    border-radius: 0 8px 8px 0;
    box-shadow: inset -5px 0 15px rgba(26, 54, 93, 0.08);
}

/* Top face of the box */
.product-container::before {
    content: '';
    position: absolute;
    top: -12px;
    left: 5px;
    width: 175px;
    height: 25px;
    background: linear-gradient(135deg, #1a365d 0%, #2b6cb0 100%);
    transform: skewX(-45deg) rotateX(60deg);
    border-radius: 4px;
    z-index: 2;
}

.jar-label {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: var(--spacing-lg) var(--spacing-md);
    background: linear-gradient(180deg, rgba(255,255,255,0.9) 0%, rgba(255,255,255,0.7) 100%);
    border-radius: 6px;
    margin: 20px 15px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.jar-label span {
    display: block;
    font-family: var(--font-heading);
    color: var(--color-primary);
}

.jar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    margin-bottom: 4px;
}

.jar-name {
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    color: var(--color-text-light) !important;
    text-transform: uppercase;
}

.jar-amount {
    font-size: 0.75rem;
    margin-top: var(--spacing-sm);
    color: var(--color-text-muted) !important;
    padding-top: var(--spacing-xs);
    border-top: 1px solid rgba(163, 140, 94, 0.2);
}

.hero-wave {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    line-height: 0;
}

.hero-wave svg {
    width: 100%;
    height: auto;
}

/* ========================================
   PRODUCTS SECTION
   ======================================== */
.products {
    padding: var(--spacing-2xl) 0;
    background-color: var(--color-bg);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.product-card {
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

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

.product-card-image {
    position: relative;
    height: 320px;
    background: linear-gradient(135deg, var(--color-bg-alt) 0%, var(--color-bg-section) 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    padding: var(--spacing-md);
}

.product-image {
    width: 100%;
    max-width: 280px;
    height: auto;
    max-height: 100%;
    object-fit: contain;
    transition: transform var(--transition-normal);
}

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

.product-jar-small {
    width: 100px;
    height: 140px;
    position: relative;
    transform-style: preserve-3d;
    transform: perspective(800px) rotateY(-12deg) rotateX(3deg);
    transition: transform var(--transition-normal);
}

/* Front face */
.product-jar-small::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: linear-gradient(145deg, #FFFFFF 0%, #f7fafc 50%, #edf2f7 100%);
    border-radius: 6px;
    box-shadow:
        0 15px 35px rgba(26, 54, 93, 0.12),
        0 5px 15px rgba(26, 54, 93, 0.06),
        inset 0 1px 0 rgba(255,255,255,0.9),
        inset 0 -1px 5px rgba(26, 54, 93, 0.02);
    border: 1px solid var(--color-silver);
}

/* Side face */
.product-jar-small::after {
    content: '';
    position: absolute;
    right: -18px;
    top: 6px;
    width: 18px;
    height: 93%;
    background: linear-gradient(90deg, #e2e8f0 0%, #cbd5e0 100%);
    transform: skewY(-40deg);
    transform-origin: top left;
    border-radius: 0 6px 6px 0;
    box-shadow: inset -3px 0 10px rgba(26, 54, 93, 0.06);
}

.product-card:hover .product-jar-small {
    transform: perspective(800px) rotateY(-8deg) rotateX(2deg) scale(1.05);
}

/* Color stripe on box - Pure (dark blue) */
.jar-label-small::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 8px;
    background: linear-gradient(90deg, #1a365d 0%, #2b6cb0 100%);
    border-radius: 6px 6px 0 0;
    z-index: 1;
}

/* Marine variant (lighter blue) */
.product-jar-marine .jar-label-small::before {
    background: linear-gradient(90deg, #2b6cb0 0%, #4299e1 100%);
}

/* Beauty variant (teal/green-blue) */
.product-jar-beauty .jar-label-small::before {
    background: linear-gradient(90deg, #285e61 0%, #38b2ac 100%);
}

.jar-label-small {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: var(--spacing-md) var(--spacing-sm);
    background: linear-gradient(180deg, rgba(255,255,255,0.95) 0%, rgba(255,255,255,0.8) 100%);
    border-radius: 4px;
    margin: 15px 10px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.05);
}

.jar-label-small span {
    display: block;
    font-family: var(--font-heading);
    color: var(--color-primary);
}

.jar-label-small span:first-child {
    font-size: 0.875rem;
    font-weight: 700;
    letter-spacing: 0.1em;
}

.jar-label-small span:last-child {
    font-size: 0.625rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    color: var(--color-text-light);
}

.product-tag {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    padding: 0.375rem 0.75rem;
    font-size: 0.625rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    background-color: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-full);
}

.product-tag-new {
    background-color: var(--color-gold);
}

.product-card-content {
    padding: var(--spacing-lg);
}

.product-card-content h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.product-card-content > p {
    color: var(--color-text-light);
    font-size: 0.9375rem;
    margin-bottom: var(--spacing-md);
}

.product-benefits {
    margin-bottom: var(--spacing-lg);
}

.product-benefits li {
    position: relative;
    padding-left: var(--spacing-md);
    margin-bottom: var(--spacing-xs);
    font-size: 0.875rem;
    color: var(--color-text-light);
}

.product-benefits li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 6px;
    height: 6px;
    background-color: var(--color-primary);
    border-radius: 50%;
}

.product-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
}

.product-price {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

.product-price small {
    font-size: 0.875rem;
    font-weight: 500;
}

.add-to-cart {
    padding: 0.625rem 1.25rem;
    font-size: 0.75rem;
}

/* ========================================
   BENEFITS SECTION
   ======================================== */
.benefits {
    padding: var(--spacing-2xl) 0;
    background-color: var(--color-bg-section);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.benefit-card {
    background-color: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--transition-normal);
}

.benefit-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.benefit-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    background-color: var(--color-silver-light);
    border: 2px solid var(--color-primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
}

.benefit-card h3 {
    margin-bottom: var(--spacing-sm);
}

.benefit-card p {
    color: var(--color-text-light);
    font-size: 0.9375rem;
}

/* ========================================
   PROCESS SECTION
   ======================================== */
.process {
    padding: var(--spacing-2xl) 0;
    background-color: var(--color-bg);
}

.process-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.process-text h2 {
    margin-bottom: var(--spacing-md);
}

.process-text > p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xl);
    line-height: 1.8;
}

.process-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.process-list li {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.process-number {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background-color: var(--color-primary);
    color: var(--color-white);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.process-list li div strong {
    display: block;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
}

.process-list li div p {
    color: var(--color-text-light);
    font-size: 0.9375rem;
}

/* Process Visual */
.process-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.process-visual {
    width: 350px;
    height: 350px;
    background: linear-gradient(135deg, var(--color-bg-alt) 0%, var(--color-bg-section) 100%);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    border: 2px solid var(--color-silver);
}

.molecule {
    position: relative;
    width: 200px;
    height: 200px;
}

.atom {
    position: absolute;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border-radius: 50%;
    box-shadow: var(--shadow-md);
}

.atom-1 {
    width: 60px;
    height: 60px;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    animation: float 3s ease-in-out infinite;
}

.atom-2 {
    width: 50px;
    height: 50px;
    bottom: 40px;
    left: 20px;
    animation: float 3s ease-in-out infinite 0.5s;
}

.atom-3 {
    width: 50px;
    height: 50px;
    bottom: 40px;
    right: 20px;
    animation: float 3s ease-in-out infinite 1s;
}

.bond {
    position: absolute;
    height: 4px;
    background-color: var(--color-primary-light);
    border-radius: 2px;
}

.bond-1 {
    width: 80px;
    top: 90px;
    left: 30px;
    transform: rotate(45deg);
}

.bond-2 {
    width: 80px;
    top: 90px;
    right: 30px;
    transform: rotate(-45deg);
}

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

.atom-2, .atom-3 {
    animation-name: float2;
}

@keyframes float2 {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* ========================================
   SCIENCE SECTION
   ======================================== */
.science {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-bg-section) 100%);
    position: relative;
}

.science::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='70' viewBox='0 0 60 70' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M30 0l25.98 15v30L30 60 4.02 45V15z' fill='none' stroke='%231a365d' stroke-width='0.5' opacity='0.03'/%3E%3C/svg%3E");
    background-size: 60px 70px;
    pointer-events: none;
}

.science-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.science-card {
    background-color: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
}

.science-stat {
    font-family: var(--font-heading);
    font-size: 4rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: var(--spacing-md);
}

.science-card h3 {
    margin-bottom: var(--spacing-sm);
}

.science-card p {
    color: var(--color-text-light);
    font-size: 0.9375rem;
}

/* ========================================
   TESTIMONIALS SECTION
   ======================================== */
.testimonials {
    padding: var(--spacing-2xl) 0;
    background-color: var(--color-bg);
}

.testimonials-slider {
    position: relative;
    overflow: hidden;
    margin-bottom: var(--spacing-lg);
}

.testimonials-track {
    display: flex;
    flex-wrap: nowrap;
    transition: transform 0.5s ease;
    gap: 24px;
}

.testimonial-card {
    flex: 0 0 calc((100% - 48px) / 3);
    min-width: calc((100% - 48px) / 3);
    background-color: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    box-sizing: border-box;
}

.testimonial-content {
    margin-bottom: var(--spacing-lg);
}

.stars {
    display: flex;
    gap: 4px;
    margin-bottom: var(--spacing-md);
    color: var(--color-primary-light);
}

.testimonial-content p {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--color-text);
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.author-avatar {
    width: 48px;
    height: 48px;
    background-color: var(--color-silver-light);
    color: var(--color-primary);
    font-family: var(--font-heading);
    font-weight: 600;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--color-primary-light);
}

.testimonial-author strong {
    display: block;
    color: var(--color-text);
}

.testimonial-author span {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.testimonial-dots {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
}

.dot {
    width: 10px;
    height: 10px;
    background-color: var(--color-border);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.dot.active {
    background-color: var(--color-primary);
    width: 30px;
    border-radius: 5px;
}

/* ========================================
   ABOUT SECTION
   ======================================== */
.about {
    padding: var(--spacing-2xl) 0;
    background-color: var(--color-bg-section);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.about-visual {
    width: 350px;
    height: 350px;
    position: relative;
    margin: 0 auto;
}

.about-circle {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-silver-light) 0%, var(--color-bg-alt) 100%);
    border-radius: 50%;
    border: 2px solid var(--color-silver);
}

.leaf {
    position: absolute;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
}

.leaf-1 {
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 80px;
}

.leaf-2 {
    bottom: 40px;
    right: 20px;
    width: 50px;
    height: 50px;
    opacity: 0.7;
}

.about-tagline {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.about-text p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.about-badges {
    display: flex;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.about-badge {
    text-align: center;
}

.badge-icon {
    display: block;
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.about-badge span:last-child {
    font-size: 0.875rem;
    color: var(--color-text-light);
}

/* ========================================
   SUSTAINABILITY SECTION
   ======================================== */
.sustainability {
    padding: var(--spacing-2xl) 0;
    background-color: var(--color-bg);
}

.sustainability-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.eco-card {
    text-align: center;
    padding: var(--spacing-xl);
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.eco-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.eco-icon {
    width: 96px;
    height: 96px;
    margin: 0 auto var(--spacing-md);
    background-color: var(--color-silver-light);
    border: 2px solid var(--color-primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
}

.eco-card h3 {
    margin-bottom: var(--spacing-sm);
}

.eco-card p {
    color: var(--color-text-light);
    font-size: 0.9375rem;
}

/* ========================================
   ORDER SECTION
   ======================================== */
.order {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-bg-alt) 100%);
}

.order-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: start;
}

.order-info h2 {
    margin-bottom: var(--spacing-sm);
}

.order-info > p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xl);
}

.order-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.order-feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-text);
}

.order-feature svg {
    color: var(--color-primary);
    flex-shrink: 0;
}

/* Order Form */
.order-form-wrapper {
    background-color: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.order-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.875rem 1rem;
    font-family: var(--font-body);
    font-size: 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    background-color: var(--color-white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(163, 140, 94, 0.1);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.order-summary {
    background-color: var(--color-bg-section);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-top: var(--spacing-sm);
    border: 1px solid var(--color-silver);
}

.summary-row {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-xs) 0;
    font-size: 0.9375rem;
    color: var(--color-text-light);
}

.summary-total {
    border-top: 1px solid var(--color-border);
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    font-weight: 600;
    color: var(--color-text);
    font-size: 1.125rem;
}

/* Product Selector */
.product-selector {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-xs);
}

.product-select-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    background-color: var(--color-bg-section);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.product-select-item:hover {
    border-color: var(--color-primary-light);
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.product-select-info {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.product-select-info strong {
    font-size: 1rem;
    color: var(--color-text);
}

.product-select-price {
    font-size: 0.875rem;
    color: var(--color-primary);
    font-weight: 600;
}

.product-select-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.qty-btn {
    width: 36px;
    height: 36px;
    border: 2px solid var(--color-primary);
    background-color: var(--color-white);
    color: var(--color-primary);
    border-radius: var(--radius-sm);
    font-size: 1.25rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.qty-btn:active {
    transform: scale(0.95);
}

.qty-input {
    width: 60px;
    text-align: center;
    font-weight: 600;
    font-size: 1rem;
    padding: 0.5rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background-color: var(--color-white);
}

.form-hint {
    font-size: 0.875rem;
    color: var(--color-text-light);
    margin-top: 0.5rem;
    font-style: italic;
}

.order-summary h4 {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
    font-size: 1rem;
    font-weight: 600;
}

.selected-products {
    margin-bottom: var(--spacing-sm);
}

.selected-products .no-products {
    color: var(--color-text-light);
    font-size: 0.875rem;
    font-style: italic;
    margin: 0;
    padding: var(--spacing-xs) 0;
}

.selected-product-item {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-xs) 0;
    font-size: 0.9375rem;
    color: var(--color-text);
}

.selected-product-item .product-name {
    font-weight: 500;
}

.selected-product-item .product-qty {
    color: var(--color-text-light);
    margin-right: auto;
    margin-left: 0.5rem;
}

.selected-product-item .product-price {
    font-weight: 600;
    color: var(--color-primary);
}

/* ========================================
   CONTACT SECTION
   ======================================== */
.contact {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-bg);
    border-top: 1px solid var(--color-border);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
}

.contact-info h3,
.contact-social h3 {
    margin-bottom: var(--spacing-md);
}

.contact-info > p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-text);
}

.contact-item svg {
    color: var(--color-primary);
    flex-shrink: 0;
}

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

.social-link {
    width: 48px;
    height: 48px;
    background-color: var(--color-silver-light);
    border: 2px solid var(--color-primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    transition: all var(--transition-normal);
}

.social-link:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-4px);
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
    background-color: var(--color-accent);
    color: var(--color-white);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 2fr;
    gap: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand .logo {
    margin-bottom: var(--spacing-md);
}

.footer-brand .logo-text {
    color: var(--color-white);
}

.footer-brand .logo-subtext {
    color: rgba(255, 255, 255, 0.6);
}

.footer-brand > p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9375rem;
}

.footer-links h4,
.footer-newsletter h4 {
    font-size: 1rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-white);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9375rem;
    transition: color var(--transition-fast);
}

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

.footer-newsletter p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9375rem;
    margin-bottom: var(--spacing-md);
}

.newsletter-form {
    display: flex;
    gap: var(--spacing-sm);
}

.newsletter-form input {
    flex: 1;
    padding: 0.75rem 1rem;
    font-size: 0.9375rem;
    border: none;
    border-radius: var(--radius-sm);
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
}

.newsletter-form input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.newsletter-form input:focus {
    outline: none;
    background-color: rgba(255, 255, 255, 0.15);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-lg);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
}

.footer-legal {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-legal a {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
}

.footer-legal a:hover {
    color: var(--color-white);
}

/* ========================================
   CART SIDEBAR
   ======================================== */
.cart-sidebar {
    position: fixed;
    top: 0;
    right: -400px;
    width: 400px;
    height: 100vh;
    background-color: var(--color-white);
    box-shadow: var(--shadow-xl);
    z-index: 1001;
    display: flex;
    flex-direction: column;
    transition: right var(--transition-normal);
}

.cart-sidebar.active {
    right: 0;
}

.cart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

.cart-header h3 {
    font-size: 1.25rem;
}

.cart-close {
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--color-text-light);
    transition: color var(--transition-fast);
}

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

.cart-items {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-lg);
}

.cart-empty {
    text-align: center;
    color: var(--color-text-muted);
    padding: var(--spacing-xl) 0;
}

.cart-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--color-border);
}

.cart-item-image {
    width: 60px;
    height: 80px;
    background: linear-gradient(135deg, var(--color-bg-cream) 0%, var(--color-bg-warm) 100%);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.cart-item-details {
    flex: 1;
}

.cart-item-details h4 {
    font-size: 0.9375rem;
    margin-bottom: var(--spacing-xs);
}

.cart-item-details p {
    font-size: 0.875rem;
    color: var(--color-text-light);
}

.cart-item-price {
    font-weight: 600;
    color: var(--color-primary);
    margin-top: var(--spacing-xs);
}

.cart-item-remove {
    background: none;
    border: none;
    color: var(--color-text-muted);
    cursor: pointer;
    font-size: 1.25rem;
}

.cart-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

.cart-total {
    display: flex;
    justify-content: space-between;
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.cart-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    z-index: 1000;
    transition: all var(--transition-normal);
}

.cart-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-text {
        max-width: 100%;
    }

    .hero-features {
        align-items: center;
    }

    .hero-cta {
        justify-content: center;
    }

    .hero-image {
        display: none;
    }

    .products-grid,
    .benefits-grid,
    .science-grid,
    .sustainability-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .testimonial-card {
        flex: 0 0 calc((100% - 24px) / 2);
        min-width: calc((100% - 24px) / 2);
    }

    .process-content,
    .about-content,
    .order-content {
        grid-template-columns: 1fr;
    }

    .process-image,
    .about-image {
        order: -1;
    }

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

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .nav-actions .btn {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .hero {
        min-height: auto;
        padding: 120px 0 80px;
    }

    .products-grid,
    .benefits-grid,
    .science-grid,
    .sustainability-grid {
        grid-template-columns: 1fr;
    }

    .testimonial-card {
        flex: 0 0 100%;
        min-width: 100%;
    }

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

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

    .footer-brand,
    .footer-links,
    .footer-newsletter {
        text-align: center;
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .cart-sidebar {
        width: 100%;
        right: -100%;
    }

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

    .product-select-item {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }

    .product-select-controls {
        width: 100%;
        justify-content: flex-end;
    }

    .about-badges {
        justify-content: center;
    }

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

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }

    .hero-cta {
        flex-direction: column;
        width: 100%;
    }

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

    .section-header h2 {
        font-size: 1.75rem;
    }

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

    .product-footer {
        flex-direction: column;
        gap: var(--spacing-md);
        align-items: stretch;
    }

    .product-price {
        text-align: center;
    }

    .add-to-cart {
        width: 100%;
    }
}