/* ============================================
   TRIDENT CANS - STYLES
   Global Tin Can & Dauber Manufacturer
   ============================================ */

/* ============================================
   CSS CUSTOM PROPERTIES (Design Tokens)
   ============================================ */
:root {
    /* Colors - Industrial Professional Palette */
    --color-primary: #1B365D;
    --color-primary-dark: #142847;
    --color-secondary: #3D5A80;
    --color-accent: #00A6A6;
    --color-accent-light: #00C9C9;
    --color-accent-dark: #008080;
    
    /* Neutrals */
    --color-charcoal: #2C3E50;
    --color-gray-900: #1a1a2e;
    --color-gray-800: #2d2d44;
    --color-gray-700: #4a4a5a;
    --color-gray-600: #6b6b7b;
    --color-gray-500: #8c8c9c;
    --color-gray-400: #b0b0bc;
    --color-gray-300: #d4d4dc;
    --color-gray-200: #e8e8ec;
    --color-gray-100: #f4f4f6;
    --color-gray-50: #f9f9fb;
    --color-white: #ffffff;
    
    /* Semantic Colors */
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-error: #ef4444;
    
    /* Typography */
    --font-heading: 'DM Sans', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
    --font-body: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
    
    /* Font Sizes */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    --text-6xl: 3.75rem;
    
    /* Font Weights */
    --font-normal: 400;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;
    
    /* Line Heights */
    --leading-tight: 1.25;
    --leading-snug: 1.375;
    --leading-normal: 1.5;
    --leading-relaxed: 1.625;
    
    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    --space-32: 8rem;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
    
    /* Container */
    --container-max: 1280px;
    --container-padding: 1.5rem;
    
    /* Header Height */
    --header-height: 80px;
}

/* ============================================
   CSS RESET & BASE STYLES
   ============================================ */
*, *::before, *::after {
    box-sizing: border-box;
}

* {
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-height);
}

body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    line-height: var(--leading-normal);
    color: var(--color-charcoal);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img, picture, video, canvas, svg {
    display: block;
    max-width: 100%;
}

input, button, textarea, select {
    font: inherit;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: var(--font-bold);
    line-height: var(--leading-tight);
    color: var(--color-primary);
}

p {
    color: var(--color-gray-700);
}

a {
    color: inherit;
    text-decoration: none;
}

ul {
    list-style: none;
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.section {
    padding: var(--space-20) 0;
}

.section-alt {
    background-color: var(--color-gray-50);
}

.skip-link {
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-primary);
    color: var(--color-white);
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius-md);
    z-index: 1000;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: var(--space-4);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-family: var(--font-heading);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    line-height: 1;
    text-align: center;
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

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

.btn-primary:hover,
.btn-primary:focus {
    background-color: var(--color-accent-dark);
    border-color: var(--color-accent-dark);
}

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

.btn-secondary:hover,
.btn-secondary:focus {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-white);
    border-color: var(--color-white);
}

.btn-outline:hover,
.btn-outline:focus {
    background-color: var(--color-white);
    color: var(--color-primary);
}

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-base);
}

.btn-full {
    width: 100%;
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-gray-200);
    z-index: 100;
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.logo-image {
    height: 60px;
    width: auto;
    max-width: 200px;
    object-fit: contain;
}

.logo-icon {
    width: 40px;
    height: 40px;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: var(--text-xl);
    font-weight: var(--font-bold);
    color: var(--color-gray-700);
}

.logo-accent {
    color: var(--color-accent);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.footer-logo .logo-image {
    height: 50px;
}

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

/* Mobile Navigation Toggle */
.nav-toggle {
    display: none;
}

.nav-toggle-label {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
    width: 30px;
    height: 30px;
    cursor: pointer;
    z-index: 110;
}

.nav-toggle-label span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--color-charcoal);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

/* Navigation */
.nav-list {
    display: flex;
    align-items: center;
    gap: var(--space-8);
}

.nav-link {
    font-family: var(--font-heading);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-gray-700);
    transition: color var(--transition-fast);
}

.nav-link:hover,
.nav-link:focus {
    color: var(--color-accent);
}

.nav-cta {
    margin-left: var(--space-4);
}

/* Mobile Navigation */
@media (max-width: 1024px) {
    .nav-toggle-label {
        display: flex;
    }
    
    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        max-width: 400px;
        height: 100vh;
        background-color: var(--color-white);
        padding: calc(var(--header-height) + var(--space-8)) var(--space-8) var(--space-8);
        box-shadow: var(--shadow-2xl);
        transition: right var(--transition-base);
        overflow-y: auto;
    }
    
    .nav-toggle:checked ~ .nav {
        right: 0;
    }
    
    .nav-toggle:checked ~ .nav-toggle-label span:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }
    
    .nav-toggle:checked ~ .nav-toggle-label span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle:checked ~ .nav-toggle-label span:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
    }
    
    .nav-list {
        flex-direction: column;
        align-items: stretch;
        gap: 0;
    }
    
    .nav-list li {
        border-bottom: 1px solid var(--color-gray-200);
    }
    
    .nav-link {
        display: block;
        padding: var(--space-4) 0;
        font-size: var(--text-lg);
    }
    
    .nav-cta {
        margin: var(--space-6) 0 0;
    }
    
    .nav-cta.btn {
        display: block;
        text-align: center;
    }
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--header-height);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 50%, var(--color-primary-dark) 100%);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(0, 166, 166, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(61, 90, 128, 0.2) 0%, transparent 50%),
        url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-container {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
    padding: var(--space-16) var(--container-padding);
}

.hero-content {
    color: var(--color-white);
}

.hero-badge {
    display: inline-block;
    padding: var(--space-2) var(--space-4);
    background-color: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    margin-bottom: var(--space-6);
    backdrop-filter: blur(10px);
}

.hero-title {
    font-size: clamp(var(--text-3xl), 5vw, var(--text-5xl));
    color: var(--color-white);
    margin-bottom: var(--space-6);
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: var(--text-lg);
    color: rgba(255, 255, 255, 0.85);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-8);
    max-width: 540px;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
    margin-bottom: var(--space-12);
}

.hero-stats {
    display: flex;
    gap: var(--space-10);
    padding-top: var(--space-8);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-stat {
    display: flex;
    flex-direction: column;
}

.hero-stat-number {
    font-family: var(--font-heading);
    font-size: var(--text-3xl);
    font-weight: var(--font-bold);
    color: var(--color-accent-light);
}

.hero-stat-label {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.7);
    margin-top: var(--space-1);
}

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

.hero-image-placeholder {
    position: relative;
    width: 100%;
    max-width: 500px;
    aspect-ratio: 1;
    background: linear-gradient(145deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.05) 100%);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-2xl);
}

.hero-image-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        padding: var(--space-12) var(--container-padding);
    }
    
    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-image {
        order: -1;
        margin-bottom: var(--space-8);
    }
    
    .hero-image-placeholder {
        max-width: 350px;
    }
}

@media (max-width: 640px) {
    .hero-stats {
        flex-direction: column;
        gap: var(--space-4);
        align-items: center;
    }
    
    .hero-stat {
        text-align: center;
    }
}

/* ============================================
   SECTION HEADERS
   ============================================ */
.section-header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto var(--space-16);
}

.section-tag {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    margin-bottom: var(--space-4);
}

.section-title {
    font-size: clamp(var(--text-2xl), 4vw, var(--text-4xl));
    margin-bottom: var(--space-4);
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: var(--text-lg);
    color: var(--color-gray-600);
    line-height: var(--leading-relaxed);
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about {
    padding-top: calc(var(--space-20) + var(--header-height));
}

.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: var(--space-16);
    align-items: start;
}

.about-text {
    margin-bottom: var(--space-10);
}

.about-text p {
    font-size: var(--text-lg);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-6);
}

.about-text p:last-child {
    margin-bottom: 0;
}

.about-values {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.value-item {
    display: flex;
    gap: var(--space-4);
    padding: var(--space-5);
    background-color: var(--color-gray-50);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--color-accent);
}

.value-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-accent);
    border-radius: var(--radius-md);
}

.value-icon svg {
    width: 20px;
    height: 20px;
    color: var(--color-white);
}

.value-content h3 {
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-1);
}

.value-content p {
    font-size: var(--text-sm);
    color: var(--color-gray-600);
}

.about-image {
    position: sticky;
    top: calc(var(--header-height) + var(--space-8));
}

.about-image-placeholder {
    width: 100%;
    aspect-ratio: 4/3;
    background: linear-gradient(145deg, var(--color-gray-100) 0%, var(--color-gray-200) 100%);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
}

.placeholder-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
    color: var(--color-gray-400);
}

.placeholder-content svg {
    width: 48px;
    height: 48px;
}

.placeholder-content span {
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
}

@media (max-width: 1024px) {
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .about-image {
        position: static;
        order: -1;
        max-width: 500px;
        margin: 0 auto;
    }
}

/* ============================================
   PRODUCTS SECTION
   ============================================ */
.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
}

.product-card {
    background-color: var(--color-white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.product-image {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
    background-color: var(--color-gray-100);
}

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

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

.product-image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(145deg, var(--color-gray-100) 0%, var(--color-gray-200) 100%);
}

.product-content {
    padding: var(--space-6);
}

.product-title {
    font-size: var(--text-xl);
    margin-bottom: var(--space-3);
}

.product-description {
    font-size: var(--text-sm);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-5);
}

.product-specs {
    margin-bottom: var(--space-5);
}

.product-specs h4 {
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-gray-500);
    margin-bottom: var(--space-2);
}

.product-specs ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.product-specs li {
    font-size: var(--text-sm);
    color: var(--color-gray-600);
    padding-left: var(--space-4);
    position: relative;
}

.product-specs li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.6em;
    width: 6px;
    height: 6px;
    background-color: var(--color-accent);
    border-radius: var(--radius-full);
}

.product-industries {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-bottom: var(--space-5);
}

.industry-tag {
    display: inline-block;
    padding: var(--space-1) var(--space-3);
    background-color: var(--color-gray-100);
    color: var(--color-gray-700);
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
    border-radius: var(--radius-full);
}

/* Additional Products Grid */
.additional-products {
    margin-top: var(--space-12);
    padding-top: var(--space-10);
    border-top: 1px solid var(--color-gray-200);
}

.additional-products-title {
    font-size: var(--text-xl);
    text-align: center;
    margin-bottom: var(--space-8);
    color: var(--color-primary);
}

.additional-products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
}

.additional-product-card {
    display: flex;
    gap: var(--space-4);
    padding: var(--space-5);
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition-fast), transform var(--transition-fast);
}

.additional-product-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.additional-product-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-gray-100);
    border-radius: var(--radius-md);
}

.additional-product-icon svg {
    width: 24px;
    height: 24px;
    color: var(--color-primary);
}

.additional-product-content h4 {
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-1);
    color: var(--color-primary);
}

.additional-product-content p {
    font-size: var(--text-xs);
    color: var(--color-gray-600);
    line-height: var(--leading-relaxed);
}

@media (max-width: 1024px) {
    .additional-products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .additional-products-grid {
        grid-template-columns: 1fr;
    }
}

.products-cta {
    text-align: center;
    margin-top: var(--space-12);
    padding: var(--space-10);
    background-color: var(--color-white);
    border-radius: var(--radius-xl);
    border: 2px dashed var(--color-gray-300);
}

.products-cta p {
    font-size: var(--text-lg);
    margin-bottom: var(--space-6);
}

@media (max-width: 1024px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .products-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   QUALITY SECTION
   ============================================ */
.quality-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: start;
}

.quality-content .section-tag,
.quality-content .section-title {
    text-align: left;
}

.quality-intro {
    font-size: var(--text-lg);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-10);
}

.quality-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.quality-feature {
    display: flex;
    gap: var(--space-4);
}

.quality-feature-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-primary);
    border-radius: var(--radius-lg);
}

.quality-feature-icon svg {
    width: 24px;
    height: 24px;
    color: var(--color-white);
}

.quality-feature-content h3 {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-2);
}

.quality-feature-content p {
    font-size: var(--text-sm);
    line-height: var(--leading-relaxed);
}

.quality-images {
    position: sticky;
    top: calc(var(--header-height) + var(--space-8));
}

.quality-image-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: repeat(2, 1fr);
    gap: var(--space-4);
}

.quality-image {
    background: linear-gradient(145deg, var(--color-gray-100) 0%, var(--color-gray-200) 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 180px;
}

.quality-image-1 {
    grid-column: span 2;
}

@media (max-width: 1024px) {
    .quality-grid {
        grid-template-columns: 1fr;
    }
    
    .quality-images {
        position: static;
        order: -1;
    }
}

/* ============================================
   GLOBAL PRESENCE SECTION
   ============================================ */
.locations-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
    margin-bottom: var(--space-12);
}

.location-card {
    background-color: var(--color-white);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    position: relative;
    overflow: hidden;
}

.location-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--color-accent);
}

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

.location-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto var(--space-4);
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-gray-100);
    border-radius: var(--radius-lg);
}

.location-icon svg {
    width: 28px;
    height: 28px;
    color: var(--color-primary);
}

.location-flag {
    font-size: var(--text-3xl);
    margin-bottom: var(--space-3);
}

.location-title {
    font-size: var(--text-xl);
    margin-bottom: var(--space-2);
}

.location-type {
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-4);
}

.location-description {
    font-size: var(--text-sm);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-5);
}

.location-features {
    text-align: left;
}

.location-features li {
    font-size: var(--text-sm);
    color: var(--color-gray-600);
    padding: var(--space-2) 0;
    padding-left: var(--space-5);
    position: relative;
    border-bottom: 1px solid var(--color-gray-100);
}

.location-features li:last-child {
    border-bottom: none;
}

.location-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: var(--font-bold);
}

.global-shipping {
    background-color: var(--color-white);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}

.shipping-content {
    display: flex;
    align-items: center;
    gap: var(--space-6);
    max-width: 800px;
    margin: 0 auto;
}

.shipping-icon {
    flex-shrink: 0;
    width: 64px;
    height: 64px;
    color: var(--color-accent);
}

.shipping-content h3 {
    font-size: var(--text-lg);
    margin-bottom: var(--space-2);
}

.shipping-content p {
    font-size: var(--text-sm);
    line-height: var(--leading-relaxed);
}

@media (max-width: 1024px) {
    .locations-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin-left: auto;
        margin-right: auto;
    }
}

@media (max-width: 640px) {
    .shipping-content {
        flex-direction: column;
        text-align: center;
    }
}

/* ============================================
   WHY TRIDENT SECTION
   ============================================ */
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
}

.advantage-card {
    padding: var(--space-8);
    background-color: var(--color-gray-50);
    border-radius: var(--radius-xl);
    text-align: center;
    transition: background-color var(--transition-base);
}

.advantage-card:hover {
    background-color: var(--color-gray-100);
}

.advantage-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-5);
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-primary);
    border-radius: var(--radius-xl);
}

.advantage-icon svg {
    width: 32px;
    height: 32px;
    color: var(--color-white);
}

.advantage-card h3 {
    font-size: var(--text-lg);
    margin-bottom: var(--space-3);
}

.advantage-card p {
    font-size: var(--text-sm);
    line-height: var(--leading-relaxed);
}

@media (max-width: 1024px) {
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .advantages-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: var(--space-12);
}

.contact-form-wrapper .section-tag,
.contact-form-wrapper .section-title {
    text-align: left;
}

.contact-intro {
    font-size: var(--text-lg);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-8);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-5);
}

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

.form-group label {
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-charcoal);
    margin-bottom: var(--space-2);
}

.required {
    color: var(--color-error);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: var(--space-3) var(--space-4);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    font-size: var(--text-base);
    transition: border-color var(--transition-fast), box-shadow 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-accent);
    box-shadow: 0 0 0 3px rgba(0, 166, 166, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-gray-400);
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%236b6b7b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--space-3) center;
    background-size: 20px;
    padding-right: var(--space-10);
}

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

.form-note {
    font-size: var(--text-xs);
    color: var(--color-gray-500);
    text-align: center;
    margin-top: var(--space-2);
}

/* Contact Info Sidebar */
.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.contact-info-card {
    background-color: var(--color-white);
    padding: var(--space-6);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}

.contact-info-card h3 {
    font-size: var(--text-lg);
    margin-bottom: var(--space-5);
    padding-bottom: var(--space-4);
    border-bottom: 2px solid var(--color-gray-100);
}

.contact-method {
    display: flex;
    gap: var(--space-4);
    padding: var(--space-4) 0;
    border-bottom: 1px solid var(--color-gray-100);
}

.contact-method:last-of-type {
    border-bottom: none;
}

.contact-method-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-gray-100);
    border-radius: var(--radius-md);
}

.contact-method-icon svg {
    width: 20px;
    height: 20px;
    color: var(--color-primary);
}

.contact-method-content {
    display: flex;
    flex-direction: column;
}

.contact-method-label {
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-gray-500);
    margin-bottom: var(--space-1);
}

.contact-method-value {
    font-size: var(--text-base);
    font-weight: var(--font-medium);
    color: var(--color-charcoal);
}

a.contact-method-value:hover {
    color: var(--color-accent);
}

.location-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) 0;
    border-bottom: 1px solid var(--color-gray-100);
}

.location-item:last-child {
    border-bottom: none;
}

.location-item-flag {
    font-size: var(--text-xl);
}

.location-item-content {
    display: flex;
    flex-direction: column;
}

.location-item-content strong {
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--color-charcoal);
}

.location-item-content span {
    font-size: var(--text-xs);
    color: var(--color-gray-500);
}

@media (max-width: 1024px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-info {
        flex-direction: row;
        flex-wrap: wrap;
    }
    
    .contact-info-card {
        flex: 1;
        min-width: 280px;
    }
}

@media (max-width: 640px) {
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .contact-info {
        flex-direction: column;
    }
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background-color: var(--color-gray-900);
    color: var(--color-gray-300);
    padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr repeat(3, 1fr);
    gap: var(--space-12);
    padding-bottom: var(--space-12);
    border-bottom: 1px solid var(--color-gray-800);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-5);
}

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

.footer-tagline {
    font-size: var(--text-sm);
    line-height: var(--leading-relaxed);
    color: var(--color-gray-400);
}

.footer-links h4,
.footer-contact h4 {
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-white);
    margin-bottom: var(--space-5);
}

.footer-links ul,
.footer-contact ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer-links a,
.footer-contact a {
    font-size: var(--text-sm);
    color: var(--color-gray-400);
    transition: color var(--transition-fast);
}

.footer-links a:hover,
.footer-contact a:hover {
    color: var(--color-accent-light);
}

.footer-locations {
    display: flex;
    gap: var(--space-4);
    margin-top: var(--space-5);
}

.footer-locations span {
    font-size: var(--text-sm);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-8);
}

.copyright {
    font-size: var(--text-sm);
    color: var(--color-gray-500);
}

.footer-note {
    font-size: var(--text-sm);
    color: var(--color-gray-500);
}

@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-brand {
        grid-column: span 2;
    }
}

@media (max-width: 640px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-brand {
        grid-column: span 1;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-4);
        text-align: center;
    }
}

/* ============================================
   ANIMATIONS
   ============================================ */
@media (prefers-reduced-motion: no-preference) {
    .hero-badge,
    .hero-title,
    .hero-subtitle,
    .hero-cta,
    .hero-stats {
        animation: fadeInUp 0.6s ease forwards;
        opacity: 0;
    }
    
    .hero-badge { animation-delay: 0.1s; }
    .hero-title { animation-delay: 0.2s; }
    .hero-subtitle { animation-delay: 0.3s; }
    .hero-cta { animation-delay: 0.4s; }
    .hero-stats { animation-delay: 0.5s; }
    
    .hero-image-placeholder {
        animation: fadeInRight 0.8s ease 0.3s forwards;
        opacity: 0;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ============================================
   PRODUCTS PAGE STYLES
   ============================================ */

/* Page Hero */
.page-hero {
    padding: calc(var(--header-height) + var(--space-16)) 0 var(--space-16);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: var(--color-white);
}

.page-hero-content {
    max-width: 720px;
}

.page-hero .section-tag {
    color: var(--color-accent-light);
}

.page-hero-title {
    font-size: clamp(var(--text-3xl), 5vw, var(--text-5xl));
    color: var(--color-white);
    margin-bottom: var(--space-4);
}

.page-hero-subtitle {
    font-size: var(--text-lg);
    color: rgba(255, 255, 255, 0.85);
    line-height: var(--leading-relaxed);
}

/* Product Navigation */
.product-nav-section {
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-gray-200);
    position: sticky;
    top: var(--header-height);
    z-index: 50;
}

.product-nav {
    display: flex;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-4) 0;
}

.product-nav-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    background-color: var(--color-gray-100);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-charcoal);
    transition: all var(--transition-fast);
}

.product-nav-item:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.product-nav-icon {
    font-size: var(--text-lg);
}

@media (max-width: 768px) {
    .product-nav {
        overflow-x: auto;
        justify-content: flex-start;
        padding: var(--space-3) var(--space-4);
        gap: var(--space-3);
        -webkit-overflow-scrolling: touch;
    }
    
    .product-nav-item {
        flex-shrink: 0;
        padding: var(--space-2) var(--space-4);
    }
}

/* Product Category */
.product-category {
    scroll-margin-top: calc(var(--header-height) + 80px);
}

.category-header {
    margin-bottom: var(--space-12);
}

.category-title {
    font-size: var(--text-3xl);
    margin-bottom: var(--space-3);
}

.category-description {
    font-size: var(--text-lg);
    color: var(--color-gray-600);
    max-width: 640px;
}

/* Product List */
.product-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-8);
}

.product-item {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: var(--space-8);
    background-color: var(--color-white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.section-alt .product-item {
    background-color: var(--color-white);
}

.product-item-image {
    aspect-ratio: 1;
    background-color: var(--color-gray-100);
    overflow: hidden;
}

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

.product-item-content {
    padding: var(--space-8);
    display: flex;
    flex-direction: column;
}

.product-badge {
    display: inline-block;
    padding: var(--space-1) var(--space-3);
    background-color: var(--color-accent);
    color: var(--color-white);
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-3);
    width: fit-content;
}

.product-item-title {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-3);
}

.product-item-description {
    font-size: var(--text-base);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-6);
}

.product-item-details {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
    padding: var(--space-4);
    background-color: var(--color-gray-50);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-6);
}

.product-detail h4 {
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-gray-500);
    margin-bottom: var(--space-1);
}

.product-detail p {
    font-size: var(--text-sm);
    color: var(--color-charcoal);
    font-weight: var(--font-medium);
}

.product-item-applications {
    margin-bottom: var(--space-5);
}

.product-item-applications h4 {
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-gray-500);
    margin-bottom: var(--space-2);
}

.product-item-applications ul {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-1) var(--space-4);
}

.product-item-applications li {
    font-size: var(--text-sm);
    color: var(--color-gray-600);
    position: relative;
    padding-left: var(--space-4);
}

.product-item-applications li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: var(--font-bold);
}

.product-item-industries {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-bottom: var(--space-6);
}

.product-item .btn {
    align-self: flex-start;
    margin-top: auto;
}

@media (max-width: 900px) {
    .product-item {
        grid-template-columns: 1fr;
    }
    
    .product-item-image {
        aspect-ratio: 16/9;
        max-height: 250px;
    }
    
    .product-item-details {
        grid-template-columns: 1fr;
        gap: var(--space-3);
    }
}

/* Products CTA Section */
.products-cta-section {
    text-align: center;
}

.products-cta-content {
    max-width: 640px;
    margin: 0 auto;
}

.products-cta-content h2 {
    font-size: var(--text-3xl);
    margin-bottom: var(--space-4);
}

.products-cta-content p {
    font-size: var(--text-lg);
    margin-bottom: var(--space-8);
}

.products-cta-buttons {
    display: flex;
    justify-content: center;
    gap: var(--space-4);
    flex-wrap: wrap;
}

.btn-outline-dark {
    background-color: transparent;
    color: var(--color-charcoal);
    border-color: var(--color-charcoal);
}

.btn-outline-dark:hover {
    background-color: var(--color-charcoal);
    color: var(--color-white);
}

/* Active Nav Link */
.nav-link-active {
    color: var(--color-accent);
}

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
    .header,
    .hero-cta,
    .nav,
    .contact-form,
    .skip-link {
        display: none;
    }
    
    .hero {
        min-height: auto;
        padding: var(--space-8);
        background: var(--color-white);
        color: var(--color-charcoal);
    }
    
    .hero-title,
    .section-title {
        color: var(--color-charcoal);
    }
    
    .section {
        padding: var(--space-8) 0;
    }
}