/* Shearline Certified Demo Program Landing Page Styles */

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

:root {
    /* Color Palette - Professional Industrial Theme */
    --primary-color: #2c5530;        /* Deep green */
    --secondary-color: #4a7c59;      /* Medium green */
    --accent-color: #6b9b76;         /* Light green */
    --text-dark: #1a1a1a;           /* Near black */
    --text-medium: #4a4a4a;         /* Medium gray */
    --text-light: #6a6a6a;          /* Light gray */
    --background-light: #fafafa;     /* Off white */
    --background-white: #ffffff;     /* Pure white */
    --border-light: #e0e0e0;        /* Light border */
    --shadow-light: rgba(0, 0, 0, 0.1);
    --shadow-medium: rgba(0, 0, 0, 0.15);
    --shadow-heavy: rgba(0, 0, 0, 0.25);
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Base Typography */
body {
    font-family: var(--font-primary);
    font-weight: var(--font-weight-normal);
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--background-light);
    overflow-x: hidden;
    padding-top: 80px; /* Account for fixed header */
}

/* Header Styles */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(44, 85, 48, 0.1);
    z-index: 1000;
    transition: all var(--transition-medium);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

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

.site-logo {
    height: 50px;
    width: auto;
    transition: transform var(--transition-medium);
}

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

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

.nav-link {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    font-size: 0.95rem;
    transition: color var(--transition-medium);
    position: relative;
}

.nav-link:hover {
    color: var(--primary-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width var(--transition-medium);
}

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

.header-cta {
    margin-left: var(--spacing-sm);
    padding: 0.6rem 1.5rem;
    font-size: 0.9rem;
}

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

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--background-white) 0%, var(--background-light) 100%);
    padding: var(--spacing-xxl) 0;
    min-height: 80vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="%23e0e0e0" stroke-width="0.5" opacity="0.3"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
    z-index: 0;
}

.hero-container {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

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

.hero-text {
    animation: fadeInUp 0.8s ease-out;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-medium);
    margin-bottom: var(--spacing-xl);
    font-weight: var(--font-weight-medium);
}

.hero-image {
    position: relative;
    animation: fadeInRight 0.8s ease-out 0.2s both;
}

.hero-img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 40px var(--shadow-medium);
    transition: transform var(--transition-medium);
}

.hero-img:hover {
    transform: translateY(-5px);
}

.certified-badge {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: var(--primary-color);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: var(--font-weight-semibold);
    box-shadow: 0 4px 12px var(--shadow-medium);
    animation: pulse 2s infinite;
}

/* Products Section */
.products-section {
    padding: var(--spacing-xxl) 0;
    background: var(--background-white);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-lg);
}

.product-card {
    background: var(--background-white);
    border-radius: var(--radius-xl);
    box-shadow: 0 8px 32px var(--shadow-light);
    overflow: hidden;
    transition: all var(--transition-medium);
    border: 1px solid var(--border-light);
    position: relative;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 48px var(--shadow-medium);
}

.product-image-container {
    position: relative;
    overflow: hidden;
    height: 250px;
    background: linear-gradient(135deg, var(--background-light) 0%, var(--background-white) 100%);
}

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

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

.certified-stamp {
    position: absolute;
    top: var(--spacing-sm);
    left: var(--spacing-sm);
    background: var(--accent-color);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 2px 8px var(--shadow-medium);
}

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

.product-title {
    font-size: 1.5rem;
    font-weight: var(--font-weight-semibold);
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.product-price {
    font-size: 2rem;
    font-weight: var(--font-weight-bold);
    color: var(--secondary-color);
    margin-bottom: var(--spacing-md);
}

.product-features {
    list-style: none;
    margin-bottom: var(--spacing-lg);
}

.product-features li {
    padding: var(--spacing-xs) 0;
    position: relative;
    padding-left: var(--spacing-md);
    color: var(--text-medium);
    font-size: 0.95rem;
    line-height: 1.5;
}

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

/* CTA Buttons */
.cta-button {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: var(--font-weight-semibold);
    text-decoration: none;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
    min-width: 160px;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left var(--transition-medium);
}

.cta-button:hover::before {
    left: 100%;
}

.cta-button.primary {
    background: var(--primary-color);
    color: white;
    box-shadow: 0 4px 16px var(--shadow-medium);
}

.cta-button.primary:hover {
    background: #1e3a21;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--shadow-heavy);
}

.cta-button.secondary {
    background: var(--secondary-color);
    color: white;
    box-shadow: 0 4px 16px var(--shadow-light);
}

.cta-button.secondary:hover {
    background: #3d6b4a;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--shadow-medium);
}

.cta-button.tertiary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.cta-button.tertiary:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

/* System Section */
.system-section {
    padding: var(--spacing-xxl) 0;
    background: linear-gradient(135deg, var(--background-light) 0%, var(--background-white) 100%);
}

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

.system-image {
    position: relative;
}

.system-img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: 0 16px 32px var(--shadow-light);
}

.system-title {
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    line-height: 1.3;
}

.system-description {
    font-size: 1.125rem;
    color: var(--text-medium);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

/* Urgency Section */
.urgency-section {
    padding: var(--spacing-xxl) 0;
    background: var(--primary-color);
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.urgency-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(255,255,255,0.05) 50%, transparent 70%);
    animation: shimmer 3s infinite;
}

.urgency-content {
    position: relative;
    z-index: 1;
}

.urgency-title {
    font-size: 2.25rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-md);
    line-height: 1.3;
}

.urgency-text {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xl);
    opacity: 0.9;
}

/* Trust Section */
.trust-section {
    padding: var(--spacing-xxl) 0;
    background: var(--background-white);
    text-align: center;
}

.trust-title {
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.trust-subtitle {
    font-size: 1.25rem;
    color: var(--text-medium);
    margin-bottom: var(--spacing-xl);
}

.trust-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.trust-feature {
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    background: var(--background-light);
    transition: transform var(--transition-medium);
}

.trust-feature:hover {
    transform: translateY(-4px);
}

.trust-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.trust-feature h4 {
    font-size: 1.25rem;
    font-weight: var(--font-weight-semibold);
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.trust-feature p {
    color: var(--text-medium);
    line-height: 1.6;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    overflow-y: auto; /* allow viewport scroll if content is tall */
    -webkit-overflow-scrolling: touch;
    display: grid;
    place-items: center;
    padding: var(--spacing-lg);
}

.modal-content {
    background-color: var(--background-white);
    margin: 0 auto;
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    width: 90%;
    max-width: 500px;
    box-shadow: 0 20px 60px var(--shadow-heavy);
    position: relative;
    animation: modalSlideIn 0.3s ease-out;
}

.close {
    position: absolute;
    right: var(--spacing-md);
    top: var(--spacing-md);
    font-size: 2rem;
    font-weight: var(--font-weight-bold);
    color: var(--text-light);
    cursor: pointer;
    transition: color var(--transition-fast);
}

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

.modal-content h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
    font-size: 1.5rem;
    font-weight: var(--font-weight-semibold);
}

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

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: var(--font-weight-medium);
    color: var(--text-dark);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm);
    border: 2px solid var(--border-light);
    border-radius: var(--radius-md);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    /* Header responsive */
    .header-container {
        padding: 0 var(--spacing-sm);
    }

    .header-nav {
        gap: var(--spacing-sm);
    }

    .nav-link {
        font-size: 0.9rem;
    }

    .site-logo {
        height: 40px;
    }

    .header-cta {
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
    }

    /* Existing responsive styles */
    .hero-content,
    .system-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        text-align: center;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .system-title,
    .trust-title {
        font-size: 2rem;
    }

    .urgency-title {
        font-size: 1.75rem;
    }

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

    .trust-features {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .container {
        padding: 0 var(--spacing-sm);
    }

    .hero-section {
        padding: var(--spacing-lg) 0;
        min-height: auto;
    }
}

@media (max-width: 480px) {
    /* Header mobile styles */
    body {
        padding-top: 70px;
    }

    .header-container {
        height: 70px;
        padding: 0 var(--spacing-xs);
    }

    .site-logo {
        height: 35px;
    }

    .header-nav {
        gap: var(--spacing-xs);
    }

    .nav-link {
        font-size: 0.8rem;
        display: none; /* Hide nav links on very small screens */
    }

    .header-cta {
        padding: 0.4rem 0.8rem;
        font-size: 0.8rem;
        margin-left: 0;
    }

    /* Show only the CTA button on mobile */
    .nav-link:last-of-type {
        display: none;
    }

    /* Existing mobile styles */
    .hero-title {
        font-size: 2rem;
    }

    .product-price {
        font-size: 1.5rem;
    }

    .modal-content {
        margin: 0 auto;
        padding: var(--spacing-lg);
    }
}