/* Advanced CSS Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --trust-blue: #0D3B66;
    --deep-blue: #061c2e;
    --hygiene-white: #F7FAFC;
    --energy-orange: #F4A261;
    --orange-light: #F6B985;
    --graphite: #1C1C1C;
    --accent-teal: #2A9D8F;
    --teal-light: #4ECDC4;
    --light-gray: #E2E8F0;
    --medium-gray: #64748B;
    --dark-gray: #475569;
    --gradient-primary: linear-gradient(135deg, var(--trust-blue) 0%, var(--accent-teal) 50%, var(--teal-light) 100%);
    --gradient-orange: linear-gradient(135deg, var(--energy-orange) 0%, var(--orange-light) 100%);
    --shadow-light: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-medium: 0 8px 25px rgba(0, 0, 0, 0.1);
    --shadow-heavy: 0 20px 40px rgba(0, 0, 0, 0.15);
    --shadow-glow: 0 0 30px rgba(42, 157, 143, 0.3);
    --border-radius: 16px;
    --transition-smooth: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-bounce: all 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
    line-height: 1.7;
    color: var(--graphite);
    background: var(--hygiene-white);
    overflow-x: hidden;
}

/* Global Animations */
@keyframes fadeInUp {
    0% {
        opacity: 0;
        transform: translateY(60px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    0% {
        opacity: 0;
        transform: translateX(-100px);
    }
    100% {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    0% {
        opacity: 0;
        transform: translateX(100px);
    }
    100% {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    0% {
        opacity: 0;
        transform: scale(0.8);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(244, 162, 97, 0.7);
    }
    70% {
        box-shadow: 0 0 0 20px rgba(244, 162, 97, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(244, 162, 97, 0);
    }
}

@keyframes shimmer {
    0% {
        background-position: -200px 0;
    }
    100% {
        background-position: calc(200px + 100%) 0;
    }
}

@keyframes ripple {
    0% {
        transform: scale(0);
        opacity: 1;
    }
    100% {
        transform: scale(4);
        opacity: 0;
    }
}

@keyframes particleFloat {
    0% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-100px) rotate(360deg);
        opacity: 0;
    }
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Container System */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.grid {
    display: grid;
    gap: 2.5rem;
}

.grid-2 { grid-template-columns: repeat(auto-fit, minmax(350px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }

/* Premium Typography */
h1, h2, h3, h4 {
    line-height: 1.2;
    margin-bottom: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    color: white;
    text-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

h2 {
    font-size: clamp(1.75rem, 4vw, 3rem);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}

h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 4px;
    background: var(--gradient-orange);
    border-radius: 2px;
    animation: slideInLeft 0.8s ease forwards;
}

h3 {
    font-size: clamp(1.5rem, 2.5vw, 2rem);
    color: var(--trust-blue);
}

p {
    margin-bottom: 1.5rem;
    color: var(--medium-gray);
    font-size: 1.1rem;
    line-height: 1.8;
}

/* Enhanced Button System */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 32px;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    text-align: center;
    transition: var(--transition-smooth);
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    letter-spacing: 0.5px;
    transform: translateY(0);
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: var(--transition-smooth);
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--gradient-orange);
    color: white;
    box-shadow: var(--shadow-medium);
}

.btn-primary:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-heavy);
    animation: pulse 2s infinite;
}

.btn-secondary {
    background: transparent;
    color: var(--trust-blue);
    border: 3px solid var(--trust-blue);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: var(--trust-blue);
    color: white;
    transform: translateY(-4px);
    box-shadow: var(--shadow-heavy);
}

.btn-ghost {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(20px);
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.6);
    transform: translateY(-4px);
}

/* Premium Top Bar */
.top-bar {
    background: var(--deep-blue);
    color: white;
    padding: 12px 0;
    font-size: 0.95rem;
    position: relative;
    overflow: hidden;
}

.top-bar::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(42, 157, 143, 0.2), transparent);
    animation: shimmer 3s ease-in-out infinite;
}

.top-bar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.5rem;
    position: relative;
    z-index: 2;
}

.top-bar a {
    color: white;
    text-decoration: none;
    transition: var(--transition-smooth);
    font-weight: 500;
}

.top-bar a:hover {
    color: var(--teal-light);
    transform: translateY(-2px);
}

/* Premium Header with Enhanced Navigation */
.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    transition: var(--transition-smooth);
    border-bottom: 1px solid rgba(226, 232, 240, 0.5);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-medium);
    padding: 15px 0;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--trust-blue);
    text-decoration: none;
    transition: var(--transition-smooth);
}

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

.tagline {
    font-size: 0.95rem;
    color: var(--accent-teal);
    font-weight: 600;
    margin-top: 2px;
    letter-spacing: 1px;
}

/* Enhanced Navigation */
.main-navigation {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--medium-gray);
    font-weight: 500;
    transition: var(--transition-smooth);
    padding: 0.5rem 0;
    position: relative;
}

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

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

.nav-link:hover,
.nav-link.active {
    color: var(--trust-blue);
}

/* Mobile Navigation */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--trust-blue);
    margin: 3px 0;
    transition: var(--transition-smooth);
}

/* Hero Sections */
.hero {
    min-height: 100vh;
    background: var(--gradient-primary);
    color: white;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="%23ffffff" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="%23ffffff" opacity="0.05"/><circle cx="50" cy="10" r="0.5" fill="%23ffffff" opacity="0.08"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 1000px;
    margin: 0 auto;
}

.hero h1 {
    opacity: 0;
    transform: translateY(60px);
    animation: fadeInUp 1.2s ease 0.5s forwards;
    margin-bottom: 2rem;
}

.hero-subtitle {
    font-size: clamp(1.2rem, 2vw, 1.5rem);
    opacity: 0.9;
    margin-bottom: 3rem;
    opacity: 0;
    animation: fadeInUp 1.2s ease 0.8s forwards;
}

.hero-bullets {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.hero-bullet {
    background: rgba(255, 255, 255, 0.15);
    padding: 2rem;
    border-radius: var(--border-radius);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transform: translateY(60px);
    opacity: 0;
    transition: var(--transition-smooth);
}

.hero-bullet:nth-child(1) { animation: fadeInUp 1.2s ease 1.1s forwards; }
.hero-bullet:nth-child(2) { animation: fadeInUp 1.2s ease 1.3s forwards; }
.hero-bullet:nth-child(3) { animation: fadeInUp 1.2s ease 1.5s forwards; }

.hero-bullet:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.25);
    box-shadow: var(--shadow-glow);
}

.hero-bullet h4 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: white;
}

.hero-cta {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 3rem;
    opacity: 0;
    animation: fadeInUp 1.2s ease 1.7s forwards;
}

/* Floating Elements */
.floating-element {
    position: absolute;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

.floating-1 {
    width: 100px;
    height: 100px;
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.floating-2 {
    width: 60px;
    height: 60px;
    top: 60%;
    right: 15%;
    animation-delay: 2s;
}

.floating-3 {
    width: 80px;
    height: 80px;
    bottom: 30%;
    left: 20%;
    animation-delay: 4s;
}

/* Particles */
.particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
}

.particle {
    position: absolute;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    animation: particleFloat 15s linear infinite;
}

/* Sections */
.section {
    padding: 6rem 0;
    position: relative;
}

.section:nth-child(even) {
    background: linear-gradient(135deg, var(--light-gray) 0%, #f1f5f9 100%);
}

.section-content {
    opacity: 0;
    transform: translateY(60px);
    transition: var(--transition-smooth);
}

.section-content.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Trust Section */
.trust-section {
    padding: 5rem 0;
    background: linear-gradient(135deg, var(--light-gray) 0%, #f8fafc 100%);
}

.trust-badges {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.trust-badge {
    background: white;
    padding: 2.5rem 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    font-weight: 700;
    color: var(--trust-blue);
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: var(--transition-smooth);
    transform: translateY(30px);
    opacity: 0;
}

.trust-badge::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 4px;
    background: var(--gradient-orange);
    transition: var(--transition-smooth);
}

.trust-badge:hover::before {
    left: 0;
}

.trust-badge:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-heavy);
}

.trust-badge.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Stats Section */
.stats-section {
    background: var(--trust-blue);
    color: white;
    padding: 4rem 0;
    position: relative;
    overflow: hidden;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
}

.stat-item {
    text-align: center;
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition-smooth);
}

.stat-item.visible {
    opacity: 1;
    transform: translateY(0);
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--teal-light);
    display: block;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* Premium Product Cards */
.products {
    padding: 6rem 0;
}

.product-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow-light);
    transition: var(--transition-smooth);
    opacity: 0;
    transform: translateY(60px);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(226, 232, 240, 0.5);
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: var(--transition-smooth);
}

.product-card:hover::before {
    transform: scaleX(1);
}

.product-card:hover {
    transform: translateY(-15px);
    box-shadow: var(--shadow-heavy);
}

.product-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.product-image {
    width: 100%;
    height: 250px;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    border-radius: 12px;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--medium-gray);
    font-weight: 600;
    position: relative;
    overflow: hidden;
}

.product-image::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent 30%, rgba(255,255,255,0.6) 50%, transparent 70%);
    transform: rotate(45deg);
    animation: shimmer 3s infinite;
}

.product-specs {
    list-style: none;
    margin: 1.5rem 0;
}

.product-specs li {
    padding: 0.75rem 0;
    color: var(--medium-gray);
    font-size: 1rem;
    display: flex;
    align-items: center;
    transition: var(--transition-smooth);
}

.product-specs li::before {
    content: '✨';
    margin-right: 0.75rem;
    font-size: 1.2rem;
}

.product-specs li:hover {
    color: var(--trust-blue);
    transform: translateX(5px);
}

/* Premium Feature System */
.feature-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    padding: 2rem;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.feature-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--gradient-primary);
    transform: scaleY(0);
    transition: var(--transition-smooth);
}

.feature-item:hover::before {
    transform: scaleY(1);
}

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

.feature-icon {
    width: 64px;
    height: 64px;
    background: var(--gradient-primary);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    font-size: 1.5rem;
    flex-shrink: 0;
    box-shadow: var(--shadow-medium);
}

/* CTA Section */
.cta-section {
    background: var(--gradient-primary);
    color: white;
    padding: 6rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-content {
    position: relative;
    z-index: 2;
}

.cta-title {
    font-size: clamp(2rem, 4vw, 3.5rem);
    margin-bottom: 1.5rem;
    opacity: 0;
    animation: fadeInUp 1s ease 0.3s forwards;
}

.cta-subtitle {
    font-size: 1.3rem;
    margin-bottom: 3rem;
    opacity: 0.9;
    opacity: 0;
    animation: fadeInUp 1s ease 0.6s forwards;
}

.cta-buttons {
    display: flex;
    gap: 2rem;
    justify-content: center;
    flex-wrap: wrap;
    opacity: 0;
    animation: fadeInUp 1s ease 0.9s forwards;
}

/* Premium Footer */
.footer {
    background: linear-gradient(135deg, var(--graphite) 0%, var(--deep-blue) 100%);
    color: white;
    padding: 4rem 0 2rem;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="dots" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1" fill="%23ffffff" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23dots)"/></svg>');
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
    position: relative;
    z-index: 2;
}

.footer-section {
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition-smooth);
}

.footer-section.visible {
    opacity: 1;
    transform: translateY(0);
}

.footer-section h3 {
    color: white;
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
    position: relative;
}

.footer-section h3::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--gradient-orange);
    border-radius: 2px;
}

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

.footer-links li {
    margin-bottom: 1rem;
    transition: var(--transition-smooth);
}

.footer-links li:hover {
    transform: translateX(5px);
}

.footer-links a {
    color: #CBD5E0;
    text-decoration: none;
    transition: var(--transition-smooth);
    font-weight: 500;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
    color: #9CA3AF;
    position: relative;
    z-index: 2;
}

/* Advanced Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    z-index: 1000;
    opacity: 0;
    transition: var(--transition-smooth);
}

.modal.show {
    opacity: 1;
}

.modal-content {
    background: white;
    margin: 5% auto;
    padding: 3rem;
    border-radius: var(--border-radius);
    max-width: 600px;
    position: relative;
    transform: scale(0.7);
    transition: var(--transition-bounce);
    box-shadow: var(--shadow-heavy);
}

.modal.show .modal-content {
    transform: scale(1);
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    font-size: 2rem;
    cursor: pointer;
    color: var(--medium-gray);
    transition: var(--transition-smooth);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    background: var(--light-gray);
    color: var(--trust-blue);
    transform: rotate(90deg);
}

/* ========================================
   PAGE-SPECIFIC STYLES
======================================== */

/* ABOUT PAGE STYLES */
.hero-about {
    background: linear-gradient(135deg, var(--trust-blue) 0%, var(--deep-blue) 100%);
    min-height: 70vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.heritage-timeline {
    position: relative;
    padding: 4rem 0;
}

.timeline-track {
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--gradient-orange);
    transform: translateX(-50%);
}

.timeline-milestone {
    display: flex;
    align-items: center;
    margin-bottom: 4rem;
    position: relative;
}

.timeline-milestone:nth-child(even) {
    flex-direction: row-reverse;
}

.milestone-content {
    flex: 1;
    padding: 2rem;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-heavy);
    margin: 0 2rem;
    transition: var(--transition-smooth);
    opacity: 0;
    transform: translateX(-50px);
}

.timeline-milestone:nth-child(even) .milestone-content {
    transform: translateX(50px);
}

.milestone-content.visible {
    opacity: 1;
    transform: translateX(0);
}

.milestone-year {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: white;
    padding: 1rem 1.5rem;
    border-radius: 50px;
    font-weight: 800;
    font-size: 1.2rem;
    z-index: 10;
    box-shadow: var(--shadow-heavy);
}

/* PRODUCTS PAGE STYLES */
.product-hero {
    background: var(--gradient-primary);
    color: white;
    padding: 4rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.product-filter {
    background: white;
    padding: 2rem 0;
    border-bottom: 1px solid var(--light-gray);
    position: sticky;
    top: 70px;
    z-index: 50;
}

.filter-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.filter-tab {
    padding: 1rem 2rem;
    background: var(--light-gray);
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition-smooth);
    font-weight: 600;
    color: var(--medium-gray);
}

.filter-tab.active {
    background: var(--gradient-orange);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.filter-tab:hover:not(.active) {
    background: var(--trust-blue);
    color: white;
    transform: translateY(-2px);
}

.product-detail-card {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-medium);
    transition: var(--transition-smooth);
    opacity: 0;
    transform: translateY(30px);
    border: 1px solid var(--light-gray);
}

.product-detail-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.product-detail-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-heavy);
    border-color: var(--accent-teal);
}

.product-detail-image {
    height: 300px;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 1.2rem;
    position: relative;
    overflow: hidden;
}

.product-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--energy-orange);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    box-shadow: var(--shadow-medium);
}

/* QUALITY PAGE STYLES */
.quality-hero {
    background: linear-gradient(135deg, var(--trust-blue) 0%, var(--accent-teal) 100%);
    color: white;
    padding: 5rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

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

.cert-card {
    background: white;
    border: 3px solid var(--light-gray);
    border-radius: var(--border-radius);
    padding: 2.5rem;
    text-align: center;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.cert-card:hover {
    border-color: var(--accent-teal);
    transform: translateY(-10px);
    box-shadow: var(--shadow-heavy);
}

.cert-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: white;
    box-shadow: var(--shadow-medium);
}

/* CONTACT PAGE STYLES */
.contact-hero {
    background: var(--gradient-primary);
    color: white;
    padding: 4rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.contact-form {
    display: grid;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

label {
    font-weight: 600;
    color: var(--trust-blue);
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

input, textarea, select {
    padding: 1rem;
    border: 2px solid var(--light-gray);
    border-radius: 8px;
    font-size: 1rem;
    transition: var(--transition-smooth);
    font-family: inherit;
    background: white;
}

input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: var(--accent-teal);
    box-shadow: 0 0 0 3px rgba(42, 157, 143, 0.1);
    transform: translateY(-2px);
}

textarea {
    resize: vertical;
    min-height: 120px;
}

.quick-contact {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.quick-contact-card {
    background: white;
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-medium);
    text-align: center;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
    border: 2px solid transparent;
}

.quick-contact-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-heavy);
    border-color: var(--accent-teal);
}

.quick-contact-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: white;
    box-shadow: var(--shadow-medium);
}

/* CHAIRMAN PAGE STYLES */
.chairman-hero {
    background: linear-gradient(135deg, var(--trust-blue) 0%, var(--deep-blue) 100%);
    color: white;
    padding: 6rem 0;
    position: relative;
    overflow: hidden;
}

.chairman-intro {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

.chairman-photo-large {
    width: 100%;
    max-width: 400px;
    height: 500px;
    background: linear-gradient(135deg, var(--hygiene-white) 0%, var(--light-gray) 100%);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--medium-gray);
    font-weight: 600;
    font-size: 1.2rem;
    box-shadow: var(--shadow-heavy);
    position: relative;
    overflow: hidden;
    margin: 0 auto;
    border: 4px solid white;
}

.chairman-photo-large img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    transition: var(--transition-smooth);
}

.chairman-photo-large:hover img {
    transform: scale(1.05);
}

.philosophy-card {
    background: var(--light-gray);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    position: relative;
    transition: var(--transition-smooth);
    border-left: 4px solid var(--energy-orange);
}

.philosophy-card:hover {
    background: white;
    box-shadow: var(--shadow-heavy);
    transform: translateY(-10px);
    border-left-color: var(--accent-teal);
}

.philosophy-quote {
    font-size: 1.3rem;
    font-style: italic;
    color: var(--trust-blue);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.philosophy-quote::before {
    content: '"';
    font-size: 3rem;
    color: var(--energy-orange);
    opacity: 0.5;
    float: left;
    line-height: 1;
    margin-right: 0.5rem;
}

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

@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .grid {
        gap: 1.5rem;
    }
    
    .grid-2, .grid-3, .grid-4 {
        grid-template-columns: 1fr;
    }
    
    .main-navigation {
        position: fixed;
        top: 80px;
        right: -100%;
        width: 280px;
        height: calc(100vh - 80px);
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 2rem;
        box-shadow: var(--shadow-heavy);
        transition: var(--transition-smooth);
        border-radius: 0 0 0 var(--border-radius);
    }
    
    .main-navigation.show {
        right: 0;
    }
    
    .nav-links {
        flex-direction: column;
        gap: 1.5rem;
        width: 100%;
    }
    
    .nav-link {
        padding: 1rem;
        border-radius: var(--border-radius);
        transition: var(--transition-smooth);
        text-align: center;
    }
    
    .nav-link:hover {
        background: var(--light-gray);
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero-bullets {
        grid-template-columns: 1fr;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .section {
        padding: 4rem 0;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .chairman-intro {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .filter-tabs {
        flex-direction: column;
        align-items: center;
    }
    
    .filter-tab {
        width: 100%;
        max-width: 300px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 10px;
    }
    
    .hero {
        min-height: 80vh;
    }
    
    .top-bar-content {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
    }
    
    .header {
        padding: 15px 0;
    }
    
    .modal-content {
        margin: 10% 15px;
        padding: 2rem;
    }
}

/* ========================================
   ACCESSIBILITY & FOCUS STATES
======================================== */

:focus {
    outline: 3px solid var(--energy-orange);
    outline-offset: 2px;
}

button:focus,
input:focus,
textarea:focus,
select:focus {
    outline: 2px solid var(--accent-teal);
    outline-offset: 2px;
}

.nav-link:focus,
.btn:focus,
.logo:focus {
    outline: 3px solid var(--energy-orange);
    outline-offset: 2px;
    border-radius: 4px;
}

.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--trust-blue);
    color: white;
    padding: 12px 20px;
    text-decoration: none;
    border-radius: var(--border-radius);
    z-index: 1000;
    font-weight: 600;
    transition: var(--transition-smooth);
}

.skip-link:focus {
    top: 20px;
    box-shadow: var(--shadow-heavy);
}

/* ========================================
   PRINT STYLES
======================================== */

@media print {
    .header, .footer, .btn, .modal, .mobile-menu-toggle, .top-bar {
        display: none !important;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
    
    .section {
        break-inside: avoid;
        page-break-inside: avoid;
    }
}

/* ========================================
   REDUCED MOTION
======================================== */

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}