/* ============================================
   Surya Fasteners - Design System & Styles
   ============================================ */

/* ============================================
   CSS Variables - Design Tokens
   ============================================ */

:root {
    /* Primary Colors */
    --color-teal: #13447E;
    --color-teal-light: #3D74C0;
    --color-teal-dark: #3D74C0;
    --color-orange: #FF6B35;
    --color-orange-dark: #D95C1E;
    --color-navy: #1B365D;

    /* Secondary Colors */
    --color-white: #FFFFFF;
    --color-gray-light: #F5F5F5;
    --color-gray: #E9ECEF;
    --color-charcoal: #2C3E50;
    --color-gray-warm: #6C757D;

    /* Accent Colors */
    --color-success: #28A745;
    --color-warning: #FFC107;
    --color-error: #DC3545;

    /* Typography */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Open Sans', sans-serif;
    --font-mono: 'Roboto Mono', monospace;

    /* 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;

    /* Spacing */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;
    --spacing-20: 5rem;
    --spacing-24: 6rem;

    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;

    /* Layout */
    --container-max: 1200px;
    --header-height: 80px;
}

/* ============================================
   Reset & Base Styles
   ============================================ */

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--color-charcoal);
    background-color: var(--color-white);
    -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, ol {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

input, textarea, select {
    font-family: inherit;
    font-size: inherit;
}

/* ============================================
   Typography
   ============================================ */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: var(--font-bold);
    line-height: 1.2;
    color: var(--color-navy);
}

h1 { font-size: var(--text-4xl); }
h2 { font-size: var(--text-3xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }
h5 { font-size: var(--text-lg); }
h6 { font-size: var(--text-base); }

p { margin-bottom: var(--spacing-4); }

.text-teal { color: var(--color-teal); }
.text-orange { color: var(--color-orange); }
.text-navy { color: var(--color-navy); }
.text-white { color: var(--color-white); }
.text-gray { color: var(--color-gray-warm); }
.font-heading { font-family: var(--font-heading); }
.font-mono { font-family: var(--font-mono); }

/* ============================================
   Flaticon Icons
   ============================================ */

.fi {
    color: var(--color-teal);
    font-size: 1.5rem;
    display: inline-block;
}

.feature-icon .fi,
.stat-icon .fi {
    font-size: 2rem;
}

.product-image .fi {
    font-size: 4rem;
}

.manufacturing-image .fi {
    font-size: 5rem;
}

.icon .fi {
    font-size: 1.25rem;
    vertical-align: text-bottom;
}

.quality-badge .fi {
    font-size: 1.25rem;
    margin-right: 0.5rem;
}

/* Travel/Location icons - 2rem size */
.card .fi {
    font-size: 2rem;
}

.check-icon .fi,
.check .fi {
    font-size: 1rem;
    color: var(--color-success);
}

/* ============================================
   Layout & Container
   ============================================ */

.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-4);
}

.section { padding: var(--spacing-16) 0; }
.section-sm { padding: var(--spacing-12) 0; }
.section-lg { padding: var(--spacing-24) 0; }

/* Grid System */
.grid { display: grid; gap: var(--spacing-6); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* Flexbox Utilities */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: var(--spacing-2); }
.gap-4 { gap: var(--spacing-4); }
.gap-6 { gap: var(--spacing-6); }
.gap-8 { gap: var(--spacing-8); }

/* ============================================
   Header & Navigation
   ============================================ */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: var(--color-white);
    box-shadow: var(--shadow-md);
    height: var(--header-height);
    transition: all var(--transition-base);
}

.header.scrolled {
    height: 70px;
    box-shadow: var(--shadow-lg);
}

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

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

.logo-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--color-teal), var(--color-teal-light));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-weight: var(--font-bold);
    font-size: var(--text-xl);
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-name {
    font-family: var(--font-heading);
    font-weight: var(--font-bold);
    font-size: var(--text-lg);
    color: var(--color-navy);
    line-height: 1.2;
}

.logo-tagline {
    font-size: var(--text-xs);
    color: var(--color-gray-warm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-1);
}

.nav-link {
    padding: var(--spacing-2) var(--spacing-4);
    font-weight: var(--font-medium);
    color: var(--color-charcoal);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-teal);
    background-color: rgba(0, 139, 139, 0.08);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background-color: var(--color-teal);
    transition: width var(--transition-fast);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 60%;
}

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

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--spacing-2);
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background-color: var(--color-charcoal);
    transition: all var(--transition-fast);
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle.active span:nth-child(2) { opacity: 0; }

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================
   Buttons
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-6);
    min-height: 48px;
    min-width: 48px;
    font-family: var(--font-heading);
    font-weight: var(--font-semibold);
    font-size: var(--text-base);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    cursor: pointer;
    white-space: nowrap;
}

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

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

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

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

.btn-white {
    background-color: var(--color-white);
    color: var(--color-teal);
    border: 2px solid var(--color-white);
}

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

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

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

.btn-orange {
    background-color: var(--color-orange);
    color: var(--color-white);
    border: 2px solid var(--color-orange);
}

.btn-orange:hover {
    background-color: var(--color-orange-dark);
    border-color: var(--color-orange-dark);
}

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

.btn-sm {
    padding: var(--spacing-2) var(--spacing-4);
    font-size: var(--text-sm);
}

/* ============================================
   Hero Section
   ============================================ */

.hero {
    position: relative;
    min-height: 85vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-charcoal) 100%);
    margin-top: var(--header-height);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    /* background: url('../images/FULL-VIEW.webp') center/cover no-repeat; */
    background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-teal-light) 100%);
    opacity: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    /* for background picture uncomment the next line */
    /* background: linear-gradient(180deg, rgba(0,0,0,0.82) 0%, rgba(0,0,0,0.65) 60%); */
    background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-teal-dark) 100%);
    mix-blend-mode: normal;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    color: var(--color-white);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    background-color: rgba(255, 255, 255, 0.15);
    padding: var(--spacing-2) var(--spacing-4);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    margin-bottom: var(--spacing-6);
    backdrop-filter: blur(10px);
}

.hero-badge .icon { color: var(--color-success); }

.hero h1 {
    font-size: clamp(2rem, 5vw + 1rem, 3rem);
    color: var(--color-white);
    margin-bottom: var(--spacing-6);
    line-height: 1.1;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw + 0.5rem, 1.25rem);
    opacity: 0.9;
    margin-bottom: var(--spacing-8);
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-4);
    flex-wrap: wrap;
}

.hero-pattern {
    position: absolute;
    right: -60px;
    bottom: -60px;
    width: 420px;
    height: 420px;
    /* subtle hexagon background with light stroke */
    background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.01));
    -webkit-clip-path: polygon(25% 6.7%, 75% 6.7%, 100% 50%, 75% 93.3%, 25% 93.3%, 0% 50%);
    clip-path: polygon(25% 6.7%, 75% 6.7%, 100% 50%, 75% 93.3%, 25% 93.3%, 0% 50%);
    border: 18px solid rgba(255,255,255,0.03);
    border-radius: 8px;
    box-shadow: 0 18px 40px rgba(0,0,0,0.35);
}

.hero-pattern::after {
    /* inner translucent hexagon to create ring-like look */
    content: '';
    position: absolute;
    inset: 18px;
    background: transparent;
    -webkit-clip-path: polygon(25% 6.7%, 75% 6.7%, 100% 50%, 75% 93.3%, 25% 93.3%, 0% 50%);
    clip-path: polygon(25% 6.7%, 75% 6.7%, 100% 50%, 75% 93.3%, 25% 93.3%, 0% 50%);
    border-radius: 6px;
    box-shadow: inset 0 0 0 12px rgba(255,255,255,0.015);
}

/* Page Hero (for inner pages) */
.page-hero {
    background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-teal-dark) 100%);
    padding: var(--spacing-20) 0 var(--spacing-16);
    margin-top: var(--header-height);
    text-align: center;
    color: var(--color-white);
}

.page-hero h1 {
    color: var(--color-white);
    margin-bottom: var(--spacing-4);
}

.page-hero p {
    font-size: var(--text-xl);
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

/* ============================================
   Stats Section
   ============================================ */

.stats-section {
    background-color: var(--color-white);
    padding: var(--spacing-12) 0;
    margin-top: -60px;
    position: relative;
    z-index: 10;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-6);
}

.stat-card {
    background-color: var(--color-white);
    padding: var(--spacing-8);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-lg);
    transition: transform var(--transition-base);
}

.stat-card:hover { transform: translateY(-5px); }

.stat-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-4);
    color: var(--color-teal);
    font-size: var(--text-3xl);
    height: auto;
}

.stat-value {
    font-family: var(--font-heading);
    font-size: var(--text-4xl);
    font-weight: var(--font-bold);
    color: var(--color-navy);
    line-height: 1;
    margin-bottom: var(--spacing-2);
}

.stat-label {
    font-size: var(--text-base);
    color: var(--color-gray-warm);
    font-weight: var(--font-medium);
}

.stat-description {
    font-size: var(--text-sm);
    color: var(--color-gray-warm);
    margin-top: var(--spacing-1);
}

/* ============================================
   Features / Why Choose Us
   ============================================ */

.features-section {
    background-color: var(--color-gray-light);
    padding: var(--spacing-20) 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-16);
}

.section-header h2 { margin-bottom: var(--spacing-4); }

.section-header p {
    color: var(--color-gray-warm);
    font-size: var(--text-lg);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-8);
}

.feature-card {
    background-color: var(--color-white);
    padding: var(--spacing-8);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

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

/* Cards with Check Icons - Left Border Style */
.card.check-list-card,
.feature-card.with-checks {
    border-left: 4px solid var(--color-teal);
}

.card.check-list-card:hover,
.feature-card.with-checks:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.feature-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-5);
    color: var(--color-teal);
    font-size: var(--text-3xl);
    width: auto;
    height: auto;
}

.feature-card h3 {
    margin-bottom: var(--spacing-3);
    font-size: var(--text-xl);
}

.feature-card p {
    color: var(--color-gray-warm);
    margin-bottom: 0;
}

/* ============================================
   Product Cards
   ============================================ */

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

.products-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-6);
}

.product-card {
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border-top: 4px solid transparent;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-top-color: var(--color-teal);
}

.product-image {
    height: 240px;
    background: linear-gradient(135deg, #f5f5f5 0%, #e9ecef 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-teal);
    font-size: 4rem;
    position: relative;
    overflow: hidden;
    cursor: zoom-in;
}

.product-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform var(--transition-base);
    opacity: 0.95;
    /* filter: brightness(0.88) contrast(1.15) saturate(0.95) drop-shadow(0 4px 12px rgba(0, 0, 0, 0.25)); */
    /* Smooth image rendering to eliminate pixelation */
    image-rendering: auto;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: smooth;
    display: block;
    max-width: 100%;
    transform-origin: center center;
    transform: scale(1);
}

.product-image:hover .product-img {
    transform: scale(1.3);
}

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

.product-image .fi {
    font-size: 4rem;
    color: var(--color-teal);
    z-index: 2;
    position: relative;
}

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

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

.product-specs {
    font-size: var(--text-sm);
    color: var(--color-gray-warm);
    margin-bottom: var(--spacing-4);
}

.product-specs span {
    display: block;
    margin-bottom: var(--spacing-1);
}

.product-specs .spec-item {
    display: block;
    padding: var(--spacing-4);
    margin-bottom: var(--spacing-3);
    background: rgba(0, 139, 139, 0.04);
    border-left: 3px solid var(--color-teal);
    border-radius: var(--radius-md);
    line-height: 1.7;
    transition: all 0.3s ease;
}

.product-specs .spec-item:hover {
    background: rgba(0, 139, 139, 0.08);
    transform: translateX(4px);
}

.product-specs .spec-item strong {
    color: var(--color-navy);
    display: inline-block;
    margin-right: var(--spacing-2);
}

/* Simple List Style */
.simple-list {
    list-style: none;
    padding: 0;
    margin: var(--spacing-4) 0;
}

.simple-list li {
    padding: var(--spacing-2) 0 var(--spacing-2) var(--spacing-6);
    position: relative;
    line-height: 1.7;
}

.simple-list li:before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--color-teal);
    font-weight: bold;
}

.product-link {
    color: var(--color-teal);
    font-weight: var(--font-semibold);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
}

.product-link:hover { color: var(--color-teal-dark); }

/* ============================================
   Manufacturing Section
   ============================================ */

.manufacturing-section {
    padding: var(--spacing-20) 0;
    background-color: var(--color-white);
}

.manufacturing-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-12);
    align-items: center;
}

.manufacturing-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    background: linear-gradient(135deg, #f5f5f5 0%, #e9ecef 100%);
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-teal);
    font-size: 5rem;
    position: relative;
    cursor: zoom-in;
}

.manufacturing-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-base);
    opacity: 0.9;
    filter: brightness(1.08) contrast(1.05);
    transform-origin: center center;
    transform: scale(1);
}

.manufacturing-image:hover .manufacturing-img {
    transform: scale(1.3);
}



.manufacturing-content h2 { 
    margin-bottom: var(--spacing-3);
    line-height: 1.3;
}

.manufacturing-content .subtitle {
    color: var(--color-teal);
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    margin-bottom: var(--spacing-6);
}

.manufacturing-content p {
    color: var(--color-charcoal);
    margin-bottom: var(--spacing-5);
    line-height: 1.8;
    font-size: var(--text-base);
}

.manufacturing-content p strong {
    color: var(--color-navy);
    font-weight: var(--font-semibold);
}

.manufacturing-list { margin-bottom: var(--spacing-6); }

.manufacturing-list li {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-3);
    color: var(--color-charcoal);
}

.manufacturing-list .check-icon {
    color: var(--color-success);
    font-size: var(--text-lg);
}

/* Process Flow */
.process-flow {
    background-color: var(--color-gray-light);
    padding: var(--spacing-6);
    border-radius: var(--radius-lg);
    margin: var(--spacing-8) 0;
}

.process-flow h4 {
    margin-bottom: var(--spacing-4);
    font-size: var(--text-base);
    color: var(--color-navy);
}

.process-steps {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-2);
    align-items: center;
    font-size: var(--text-sm);
}

.process-step {
    background-color: var(--color-white);
    padding: var(--spacing-2) var(--spacing-3);
    border-radius: var(--radius-md);
    color: var(--color-charcoal);
    font-weight: var(--font-medium);
}

.process-arrow {
    color: var(--color-teal);
    font-weight: var(--font-bold);
}

/* ============================================
   Quality Section
   ============================================ */

.quality-section {
    background: linear-gradient(135deg, var(--color-teal) 0%, var(--color-teal-dark) 100%);
    padding: var(--spacing-20) 0;
    color: var(--color-white);
    text-align: center;
}

.quality-section h2 {
    color: var(--color-white);
    margin-bottom: var(--spacing-2);
}

.quality-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    background-color: rgba(255, 255, 255, 0.2);
    padding: var(--spacing-2) var(--spacing-5);
    border-radius: var(--radius-full);
    font-weight: var(--font-semibold);
    margin-bottom: var(--spacing-6);
}

.quality-section p {
    max-width: 800px;
    margin: 0 auto var(--spacing-8);
    opacity: 0.95;
    font-size: var(--text-lg);
}

.quality-checkpoints {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-4);
    max-width: 900px;
    margin: 0 auto var(--spacing-8);
    text-align: left;
}

.quality-checkpoint {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-3);
    background-color: rgba(255, 255, 255, 0.1);
    padding: var(--spacing-4);
    border-radius: var(--radius-md);
}

.quality-checkpoint .check {
    color: var(--color-success);
    font-size: var(--text-lg);
    flex-shrink: 0;
}

/* ============================================
   CTA Banner
   ============================================ */

.cta-banner {
    background: linear-gradient(135deg, var(--color-orange) 0%, var(--color-orange-dark) 100%);
    padding: var(--spacing-16) 0;
    text-align: center;
    color: var(--color-white);
}

.cta-banner h2 {
    color: var(--color-white);
    margin-bottom: var(--spacing-3);
}

.cta-banner p {
    font-size: var(--text-lg);
    opacity: 0.95;
    margin-bottom: var(--spacing-8);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ============================================
   Cards
   ============================================ */

.card {
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-6);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.card:hover { box-shadow: var(--shadow-lg); }

/* Info Card */
.info-card { border-left: 4px solid var(--color-teal); }
.info-card h4 { margin-bottom: var(--spacing-3); }

/* Team Card */
.team-card {
    text-align: center;
    padding: var(--spacing-8);
}

.team-avatar {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--color-teal), var(--color-teal-light));
    border-radius: 50%;
    margin: 0 auto var(--spacing-4);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-size: var(--text-3xl);
    font-weight: var(--font-bold);
}

.team-card h4 { margin-bottom: var(--spacing-1); }

.team-card .position {
    color: var(--color-teal);
    font-weight: var(--font-medium);
    margin-bottom: var(--spacing-3);
}

.team-card p {
    color: var(--color-gray-warm);
    font-size: var(--text-sm);
}

/* ============================================
   Timeline
   ============================================ */

.timeline {
    position: relative;
    padding-left: var(--spacing-8);
}

.timeline::before {
    content: '';
    position: absolute;
    left: 12px;
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: var(--color-teal);
}

.timeline-item {
    position: relative;
    padding-bottom: var(--spacing-8);
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -26px;
    top: 5px;
    width: 12px;
    height: 12px;
    background-color: var(--color-teal);
    border-radius: 50%;
    border: 3px solid var(--color-white);
    box-shadow: var(--shadow-md);
}

.timeline-item h3 {
    color: var(--color-teal);
    margin-bottom: var(--spacing-2);
}

.timeline-item p { color: var(--color-gray-warm); }

.timeline-milestones {
    margin-top: var(--spacing-4);
    padding-left: var(--spacing-4);
}

.timeline-milestones li {
    margin-bottom: var(--spacing-2);
    color: var(--color-charcoal);
    position: relative;
    padding-left: var(--spacing-4);
}

.timeline-milestones li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--color-teal);
}

/* ============================================
   Tables
   ============================================ */

.table-container {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: var(--spacing-6) 0;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--text-sm);
    min-width: 600px;
}

th, td {
    padding: var(--spacing-4);
    text-align: left;
    border-bottom: 1px solid var(--color-gray);
}

th {
    background-color: var(--color-navy);
    color: var(--color-white);
    font-family: var(--font-heading);
    font-weight: var(--font-semibold);
}

tr:hover td { background-color: var(--color-gray-light); }

/* ============================================
   Forms
   ============================================ */

.form-group { margin-bottom: var(--spacing-5); }

.form-label {
    display: block;
    margin-bottom: var(--spacing-2);
    font-weight: var(--font-medium);
    color: var(--color-charcoal);
}

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

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--spacing-3) var(--spacing-4);
    min-height: 48px;
    border: 2px solid var(--color-gray);
    border-radius: var(--radius-md);
    font-size: var(--text-base);
    transition: all var(--transition-fast);
    background-color: var(--color-white);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-teal);
    box-shadow: 0 0 0 3px rgba(0, 139, 139, 0.1);
}

.form-textarea {
    min-height: 150px;
    resize: vertical;
}

.form-checkbox {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-3);
}

.form-checkbox input {
    width: 20px;
    height: 20px;
    margin-top: 2px;
    accent-color: var(--color-teal);
}

/* ============================================
   Accordion / FAQ
   ============================================ */

.accordion {
    border: 1px solid var(--color-gray);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.accordion-item { border-bottom: 1px solid var(--color-gray); }
.accordion-item:last-child { border-bottom: none; }

.accordion-header {
    width: 100%;
    padding: var(--spacing-5) var(--spacing-6);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: var(--color-white);
    font-weight: var(--font-semibold);
    text-align: left;
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.accordion-header:hover { background-color: var(--color-gray-light); }

.accordion-icon {
    font-size: var(--text-xl);
    color: var(--color-teal);
    transition: transform var(--transition-fast);
}

.accordion-item.active .accordion-icon { transform: rotate(45deg); }

.accordion-content {
    display: none;
    padding: 0 var(--spacing-6) var(--spacing-5);
    color: var(--color-gray-warm);
}

.accordion-item.active .accordion-content { display: block; }

/* ============================================
   Tabs
   ============================================ */

.tabs { margin-bottom: var(--spacing-8); }

.tab-nav {
    display: flex;
    gap: var(--spacing-2);
    border-bottom: 2px solid var(--color-gray);
    margin-bottom: var(--spacing-6);
    overflow-x: auto;
}

.tab-btn {
    padding: var(--spacing-3) var(--spacing-6);
    font-weight: var(--font-semibold);
    color: var(--color-gray-warm);
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.tab-btn:hover,
.tab-btn.active {
    color: var(--color-teal);
    border-bottom-color: var(--color-teal);
}

.tab-content { display: none; }
.tab-content.active { display: block; }

/* ============================================
   Contact Info
   ============================================ */

.contact-info {
    background-color: var(--color-gray-light);
    padding: var(--spacing-8);
    border-radius: var(--radius-lg);
}

.contact-item {
    display: flex;
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-6);
}

.contact-item:last-child { margin-bottom: 0; }

.contact-icon {
    width: 50px;
    height: 50px;
    background-color: var(--color-teal);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-size: var(--text-xl);
    flex-shrink: 0;
}

.contact-details h4 {
    margin-bottom: var(--spacing-1);
    font-size: var(--text-base);
}

.contact-details p {
    color: var(--color-gray-warm);
    margin-bottom: 0;
    font-size: var(--text-sm);
}

.contact-details a { color: var(--color-teal); }
.contact-details a:hover { text-decoration: underline; }

/* ============================================
   Footer
   ============================================ */

.footer {
    background-color: var(--color-navy);
    color: var(--color-white);
    padding: var(--spacing-16) 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-12);
    padding-bottom: var(--spacing-12);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    margin: var(--spacing-4) 0;
    font-size: var(--text-sm);
}

.footer-certifications {
    display: flex;
    gap: var(--spacing-3);
    margin-top: var(--spacing-4);
}

.certification-badge {
    background-color: rgba(255, 255, 255, 0.1);
    padding: var(--spacing-2) var(--spacing-3);
    border-radius: var(--radius-sm);
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
}

.footer-column h4 {
    color: var(--color-white);
    font-size: var(--text-base);
    margin-bottom: var(--spacing-5);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
}

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

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

.footer-contact p {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-2);
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--text-sm);
    margin-bottom: var(--spacing-3);
}

.footer-contact .icon {
    color: var(--color-teal-light);
    flex-shrink: 0;
    margin-top: 2px;
}

.footer-bottom {
    padding: var(--spacing-6) 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.6);
}

.footer-bottom-links {
    display: flex;
    gap: var(--spacing-6);
}

.footer-bottom-links a { color: rgba(255, 255, 255, 0.6); }
.footer-bottom-links a:hover { color: var(--color-white); }

/* ============================================
   Utility Classes
   ============================================ */

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-4 { margin-top: var(--spacing-4); }
.mt-6 { margin-top: var(--spacing-6); }
.mt-8 { margin-top: var(--spacing-8); }
.mb-4 { margin-bottom: var(--spacing-4); }
.mb-6 { margin-bottom: var(--spacing-6); }
.mb-8 { margin-bottom: var(--spacing-8); }

.pt-4 { padding-top: var(--spacing-4); }
.pb-4 { padding-bottom: var(--spacing-4); }
.py-4 { padding-top: var(--spacing-4); padding-bottom: var(--spacing-4); }
.px-4 { padding-left: var(--spacing-4); padding-right: var(--spacing-4); }

.bg-white { background-color: var(--color-white); }
.bg-gray { background-color: var(--color-gray-light); }
.bg-teal { background-color: var(--color-teal); }
.bg-navy { background-color: var(--color-navy); }

.rounded { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }

.shadow { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }

.hidden { display: none; }
.visible { display: block; }

/* List Styles */
.check-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-3);
}

.check-list .icon {
    color: var(--color-success);
    flex-shrink: 0;
    margin-top: 2px;
}

/* ============================================
   Responsive Styles
   ============================================ */

@media (max-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .features-grid, .quality-checkpoints { grid-template-columns: repeat(2, 1fr); }
    .manufacturing-grid { gap: var(--spacing-8); }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    :root { --header-height: 70px; }
    h1 { font-size: var(--text-3xl); }
    h2 { font-size: var(--text-2xl); }
    .hero h1 { font-size: var(--text-3xl); }
    .hero-subtitle { font-size: var(--text-base); }

    /* Navigation */
    .nav-menu {
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        background-color: var(--color-white);
        flex-direction: column;
        padding: var(--spacing-4);
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-link {
        width: 100%;
        padding: var(--spacing-3) var(--spacing-4);
    }

    .nav-cta {
        margin-left: 0;
        width: 100%;
    }

    .nav-cta .btn { width: 100%; }
    .mobile-menu-toggle { display: flex; }

    /* Stats */
    .stats-grid { grid-template-columns: repeat(2, 1fr); }

    /* Features */
    .features-grid, .quality-checkpoints, .grid-3 { grid-template-columns: 1fr; }

    /* Products */
    .products-grid { grid-template-columns: repeat(2, 1fr); }

    /* Manufacturing */
    .manufacturing-grid { grid-template-columns: 1fr; }
    .manufacturing-image { height: 300px; }

    /* Footer */
    .footer-grid { grid-template-columns: 1fr; gap: var(--spacing-8); }

    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-4);
        text-align: center;
    }

    /* Hero buttons */
    .hero-buttons { flex-direction: column; }
    .hero-buttons .btn { width: 100%; }

    /* Process flow */
    .process-steps { flex-direction: column; align-items: flex-start; }
    .process-arrow { transform: rotate(90deg); }
}

@media (max-width: 480px) {
    .stats-grid, .products-grid, .grid-2 { grid-template-columns: 1fr; }
    .stat-card { padding: var(--spacing-6); }
    .section { padding: var(--spacing-12) 0; }

    .tab-nav { flex-direction: column; }

    .tab-btn {
        border-bottom: none;
        border-left: 2px solid transparent;
        margin-bottom: 0;
        margin-left: -2px;
    }

    .tab-btn:hover, .tab-btn.active {
        border-left-color: var(--color-teal);
        border-bottom-color: transparent;
    }
}

/* ============================================
   Highlight / Mark Styles
   ============================================ */

mark {
    background-color: rgba(255, 193, 7, 0.25);
    color: var(--color-navy);
    font-weight: 600;
    padding: 0.1rem 0.3rem;
    border-radius: 0.25rem;
}

/* ============================================
   Lightbox Modal
   ============================================ */

.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.lightbox-img {
    max-width: 90vw;
    max-height: 90vh;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.6);
    border-radius: 6px;
    transform: scale(0.8);
    opacity: 0;
    transition: transform 0.25s ease, opacity 0.25s ease;
    cursor: zoom-out;
}

.lightbox.show .lightbox-img {
    transform: scale(1);
    opacity: 1;
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 30px;
    font-size: 40px;
    font-weight: bold;
    color: var(--color-white);
    cursor: pointer;
    transition: color var(--transition-fast);
    z-index: 10000;
}

.lightbox-close:hover {
    color: var(--color-orange);
}

/* ============================================
   Print Styles
   ============================================ */

@media print {
    .header, .footer, .cta-banner, .btn { display: none; }

    .hero {
        margin-top: 0;
        min-height: auto;
        padding: var(--spacing-8) 0;
        background: none;
        color: var(--color-charcoal);
    }

    .hero h1 { color: var(--color-navy); }
    .section { padding: var(--spacing-6) 0; }
}