/* CARGO AIRBAG - Modern Corporate Stylesheet */
/* Design Philosophy: Soft, modern, approachable B2B aesthetic */

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

:root {
    /* Brand Colors - Slightly softened */
    --navy: #1A2332;
    --navy-soft: #2C3E50;
    --steel-grey: #516575;
    --electric-blue: #0066CC;
    --electric-blue-dark: #0052A3;
    --white: #FFFFFF;
    --light-bg: #F8FAFC;
    --border: #E2E8F0;
    --text-dark: #1F2937;
    --text-grey: #64748B;
    --success: #059669;

    /* Shadow System */
    --shadow-xs: 0 1px 3px rgba(0,0,0,0.06);
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.1);

    /* Border Radius System */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;

    /* Transitions */
    --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Modern Typography - Inter for body, Plus Jakarta Sans for headings */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    background: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}

/* Typography - Softer, more modern hierarchy */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-weight: 700;
    color: var(--navy);
    line-height: 1.3;
    letter-spacing: -0.02em;
}

h1 {
    font-size: clamp(32px, 5vw, 48px);
}

h2 {
    font-size: clamp(28px, 4vw, 40px);
}

h3 {
    font-size: clamp(20px, 3vw, 24px);
}

h4 {
    font-size: 18px;
}

/* Top Bar - Softer styling */
.top-bar {
    background: var(--navy);
    color: var(--white);
    padding: 10px 0;
    font-size: 13px;
    border-bottom: 2px solid var(--electric-blue);
}

.top-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-bar-left {
    display: flex;
    gap: 30px;
}

.top-bar-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.top-bar a {
    color: var(--white);
    text-decoration: none;
    transition: var(--transition-fast);
}

.top-bar a:hover {
    color: var(--electric-blue);
    opacity: 0.9;
}

/* Header - Enhanced shadow and spacing */
header {
    background: var(--white);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.95);
}

.header-main {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 16px;
}

.logo-container img {
    height: 60px;
    width: auto;
}

.logo-text h1 {
    font-size: 24px;
    letter-spacing: 0;
    line-height: 1.2;
    margin: 0;
    font-weight: 700;
}

.logo-text span {
    font-size: 11px;
    color: var(--steel-grey);
    text-transform: uppercase;
    letter-spacing: 1.2px;
    font-weight: 500;
}

/* Navigation - Softer hover states */
nav ul {
    display: flex;
    gap: 32px;
    list-style: none;
}

nav a {
    color: var(--text-dark);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    transition: var(--transition-fast);
    padding: 8px 0;
    position: relative;
}

nav a:hover,
nav a.active {
    color: var(--electric-blue);
}

nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--electric-blue);
    transform: scaleX(0);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 2px;
}

nav a:hover::after,
nav a.active::after {
    transform: scaleX(1);
}

.header-cta {
    display: flex;
    gap: 12px;
}

/* Buttons - Soft, modern with better hover states */
.btn {
    padding: 12px 24px;
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: none;
    cursor: pointer;
    transition: var(--transition-base);
    display: inline-block;
    border-radius: var(--radius-md);
    font-family: 'Inter', sans-serif;
}

.btn-primary {
    background: var(--electric-blue);
    color: var(--white);
    box-shadow: var(--shadow-sm);
}

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

.btn-primary:active {
    transform: translateY(0);
}

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

.btn-secondary:hover {
    background: var(--navy);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

/* Hero Section - Softer gradients and styling */
.hero {
    background: linear-gradient(135deg, var(--navy) 0%, var(--navy-soft) 100%);
    color: var(--white);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background: radial-gradient(circle at top right, rgba(0, 102, 204, 0.1) 0%, transparent 60%);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content h2 {
    font-size: clamp(32px, 5vw, 48px);
    line-height: 1.2;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
    color: var(--white);
    font-weight: 700;
}

.hero-content p {
    font-size: 18px;
    line-height: 1.7;
    color: #E5E7EB;
    margin-bottom: 30px;
    font-weight: 400;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* Hero Stats - Softer, card-like appearance */
.hero-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    background: rgba(255, 255, 255, 0.08);
    padding: 32px;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: 40px;
    backdrop-filter: blur(10px);
}

.stat-item {
    text-align: left;
}

.stat-number {
    font-size: 36px;
    font-weight: 700;
    color: var(--electric-blue);
    font-family: 'Plus Jakarta Sans', sans-serif;
    letter-spacing: -0.02em;
}

.stat-label {
    font-size: 13px;
    color: #D1D5DB;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 4px;
    font-weight: 500;
}

/* Hero Image Placeholder - Softer borders */
.hero-image > div {
    border-radius: var(--radius-lg);
    border: 2px solid rgba(255, 255, 255, 0.15);
    overflow: hidden;
}

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

.page-header h1 {
    font-size: clamp(32px, 5vw, 42px);
    color: var(--white);
    margin-bottom: 15px;
}

.page-header p {
    font-size: 18px;
    color: #D1D5DB;
    max-width: 700px;
    margin: 0 auto;
}

.breadcrumb {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin-top: 20px;
    font-size: 14px;
}

.breadcrumb a {
    color: var(--electric-blue);
    text-decoration: none;
    transition: var(--transition-fast);
}

.breadcrumb a:hover {
    opacity: 0.8;
}

.breadcrumb span {
    color: #9CA3AF;
}

/* Sections */
section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: clamp(28px, 4vw, 36px);
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.section-header p {
    font-size: 16px;
    color: var(--text-grey);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.7;
}

/* Certifications Bar - Softer cards */
.certifications {
    background: var(--light-bg);
    padding: 40px 0;
    border-bottom: 1px solid var(--border);
}

.certifications .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 30px;
}

.cert-item {
    display: flex;
    align-items: center;
    gap: 12px;
}

.cert-icon {
    width: 56px;
    height: 56px;
    background: var(--white);
    border: 2px solid var(--electric-blue);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: var(--electric-blue);
    font-size: 12px;
    text-align: center;
    line-height: 1.2;
    box-shadow: var(--shadow-xs);
    transition: var(--transition-base);
}

.cert-item:hover .cert-icon {
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.cert-text h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--navy);
    margin-bottom: 2px;
}

.cert-text p {
    font-size: 12px;
    color: var(--text-grey);
}

/* Product Categories */
.product-category {
    margin-bottom: 60px;
}

.category-header {
    background: var(--navy);
    color: var(--white);
    padding: 24px 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0;
    border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.category-header h3 {
    font-size: 22px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--white);
}

.category-badge {
    background: var(--electric-blue);
    padding: 6px 16px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Product Tables - Modern, soft styling */
.product-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-xs);
}

.product-table thead {
    background: var(--light-bg);
}

.product-table th {
    padding: 16px 20px;
    text-align: left;
    font-size: 13px;
    font-weight: 600;
    color: var(--navy);
    text-transform: uppercase;
    letter-spacing: 0.3px;
    border-bottom: 2px solid var(--border);
}

.product-table td {
    padding: 18px 20px;
    font-size: 14px;
    color: var(--text-dark);
    border-bottom: 1px solid var(--border);
}

.product-table tbody tr {
    transition: var(--transition-fast);
}

.product-table tbody tr:hover {
    background: var(--light-bg);
}

.product-table tbody tr:last-child td {
    border-bottom: none;
}

.spec-badge {
    display: inline-block;
    background: var(--light-bg);
    padding: 4px 12px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 500;
    color: var(--steel-grey);
    margin-right: 8px;
    border: 1px solid var(--border);
}

.price-range {
    font-weight: 600;
    color: var(--electric-blue);
    font-size: 15px;
}

.stock-status {
    color: var(--success);
    font-weight: 500;
}

/* Features Grid - Modern cards with soft shadows */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.feature-card {
    text-align: center;
    padding: 40px 32px;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: var(--transition-base);
    box-shadow: var(--shadow-xs);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--electric-blue);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--light-bg) 0%, #E2E8F0 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    font-size: 32px;
    transition: var(--transition-base);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1);
}

.feature-card h3 {
    font-size: 20px;
    margin-bottom: 16px;
    font-weight: 600;
}

.feature-card p {
    font-size: 14px;
    color: var(--text-grey);
    line-height: 1.7;
}

/* Form Styles - Modern, soft inputs */
.contact-form {
    background: var(--white);
    padding: 40px;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    max-width: 800px;
    margin: 0 auto;
    box-shadow: var(--shadow-sm);
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--navy);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-family: 'Inter', sans-serif;
    background: var(--white);
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--electric-blue);
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

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

/* Info Cards - Soft, modern styling */
.info-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.info-card {
    background: var(--white);
    padding: 32px;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xs);
    transition: var(--transition-base);
}

.info-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
    border-color: var(--electric-blue);
}

.info-card h4 {
    font-size: 16px;
    margin-bottom: 12px;
    color: var(--navy);
    font-weight: 600;
}

.info-card p {
    font-size: 14px;
    color: var(--text-grey);
    line-height: 1.7;
}

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

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-section h4 {
    font-size: 16px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 20px;
    color: var(--white);
    font-weight: 600;
}

.footer-section p,
.footer-section a {
    font-size: 14px;
    color: #D1D5DB;
    text-decoration: none;
    line-height: 1.8;
    transition: var(--transition-fast);
}

.footer-section a:hover {
    color: var(--electric-blue);
}

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

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    text-align: center;
    font-size: 13px;
    color: #9CA3AF;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .container {
        padding: 0 30px;
    }

    .hero-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

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

    .header-cta {
        flex-direction: column;
        gap: 10px;
    }

    .hero {
        padding: 60px 0;
    }

    .hero-content h2,
    .page-header h1 {
        font-size: 32px;
    }

    .hero-stats {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 24px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .form-grid,
    .features-grid,
    .info-grid {
        grid-template-columns: 1fr;
    }

    .certifications .container {
        flex-direction: column;
    }

    .product-table {
        font-size: 12px;
    }

    .product-table th,
    .product-table td {
        padding: 12px;
    }
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.mt-20 {
    margin-top: 20px;
}

.mb-20 {
    margin-bottom: 20px;
}