/* ===== CSS Variables ===== */
:root {
    /* Colors - Safety Prime Theme (Gold/Yellow & Dark Industrial) */
    --primary-hue: 45;
    --primary-sat: 100%;
    --primary-light: 50%;

    --primary-50: hsl(var(--primary-hue), var(--primary-sat), 95%);
    --primary-100: hsl(var(--primary-hue), var(--primary-sat), 90%);
    --primary-200: hsl(var(--primary-hue), var(--primary-sat), 80%);
    --primary-300: hsl(var(--primary-hue), var(--primary-sat), 70%);
    --primary-400: hsl(var(--primary-hue), var(--primary-sat), 60%);
    --primary-500: hsl(var(--primary-hue), var(--primary-sat), var(--primary-light));
    --primary-600: hsl(var(--primary-hue), var(--primary-sat), 45%);
    --primary-700: hsl(var(--primary-hue), var(--primary-sat), 35%);
    --primary-800: hsl(var(--primary-hue), var(--primary-sat), 25%);
    --primary-900: hsl(var(--primary-hue), var(--primary-sat), 15%);

    --bg-primary: #121212;
    --bg-secondary: #1e1e1e;
    --bg-tertiary: #252525;
    --bg-elevated: #2d2d2d;

    --text-primary: #ffffff;
    --text-secondary: #cccccc;
    --text-tertiary: #999999;

    --border-color: rgba(255, 215, 0, 0.2);
    /* Gold tint border */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.6);
    --shadow-xl: 0 16px 64px rgba(0, 0, 0, 0.7);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Outfit', var(--font-primary);

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

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

/* ===== Container ===== */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ===== Header ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(18, 18, 18, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    padding: var(--spacing-md) 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-500);
}

.logo-img {
    height: 5rem;
    width: auto;
    object-fit: contain;
}

.logo-text {
    font-family: 'Anton', sans-serif;
    font-weight: 900;
    font-size: 2rem;
}

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

.logo-slogan {
    font-family: 'Barlow', sans-serif;
    font-weight: 400;
    font-size: 1.1rem;
    color: #FF7F00;
}

.logo-epi-icon {
    height: 3rem;
    width: auto;
    object-fit: contain;
    margin-left: 0.5rem;
}

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

.logo-icon {
    font-size: 2rem;
}

.nav {
    display: flex;
    gap: var(--spacing-lg);
}

.nav-link {
    position: relative;
    font-family: 'Barlow', sans-serif;
    font-weight: 400;
    color: var(--text-secondary);
    transition: color var(--transition-base);
}

.nav-link:hover {
    color: var(--primary-400);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-500);
    transition: width var(--transition-base);
}

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

.admin-link {
    color: var(--primary-500);
    font-weight: 600;
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    min-height: 80vh;
    /* Reduced height to emphasize image content */
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding-top: 80px;
}

.hero-background {
    position: absolute;
    inset: 0;
    background-image: url('../img/header-seguranca-prime.jpg');
    background-size: cover;
    background-position: center;
    filter: brightness(0.6);
    /* Darker overlay for text readability */
    z-index: 0;
}

.hero::after {
    /* Gradient overlay for better text contrast */
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, rgba(18, 18, 18, 0.7), rgba(18, 18, 18, 0.9));
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    animation: fadeInUp 1s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-title {
    font-family: 'Kanit', sans-serif;
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    text-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
}

.gradient-text {
    display: block;
    font-family: 'Kanit', sans-serif;
    font-weight: 700;
    color: var(--primary-500);
}

.hero-subtitle {
    font-family: 'Barlow', sans-serif;
    font-weight: 400;
    font-size: clamp(1.1rem, 3vw, 1.5rem);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.875rem 1.75rem;
    border-radius: var(--radius-full);
    font-family: 'Barlow', sans-serif;
    font-weight: 700;
    font-size: 1rem;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0));
    opacity: 0;
    transition: opacity var(--transition-base);
}

.btn:hover::before {
    opacity: 1;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-500), #FFA500);
    color: #000;
    /* Black text for better contrast on yellow */
    box-shadow: 0 4px 16px rgba(255, 215, 0, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(255, 215, 0, 0.4);
}

.btn-whatsapp {
    background: linear-gradient(135deg, #25D366, #128C7E);
    color: white;
    box-shadow: 0 4px 16px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
}

.btn-large {
    padding: 1.125rem 2.25rem;
    font-size: 1.125rem;
}

.btn-icon {
    font-size: 1.25rem;
    transition: transform var(--transition-base);
}

.btn:hover .btn-icon {
    transform: translateX(4px);
}

/* ===== Products Section ===== */
.products-section {
    padding: var(--spacing-2xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-title {
    font-family: 'Kanit', sans-serif;
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

/* ===== Filter ===== */
.filter-container {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    justify-content: center;
    margin-bottom: var(--spacing-xl);
}

.filter-btn {
    padding: 0.625rem 1.5rem;
    border-radius: var(--radius-full);
    background: var(--bg-elevated);
    color: var(--text-secondary);
    font-family: 'Barlow', sans-serif;
    font-weight: 500;
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
}


.filter-btn:hover {
    background: var(--bg-tertiary);
    color: var(--primary-400);
    border-color: var(--primary-500);
}

.filter-btn.active {
    background: linear-gradient(135deg, var(--primary-500), #FFA500);
    color: #000;
    border-color: transparent;
    font-weight: 700;
}

/* ===== Products Grid ===== */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.product-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
    cursor: pointer;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

.product-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary-500);
    box-shadow: var(--shadow-lg);
}

.product-image {
    position: relative;
    width: 100%;
    height: 280px;
    overflow: hidden;
    background: var(--bg-tertiary);
}

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

.product-card:hover .product-image img {
    transform: scale(1.1);
}

.product-category {
    position: absolute;
    top: var(--spacing-sm);
    left: var(--spacing-sm);
    padding: 0.375rem 0.875rem;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-full);
    font-family: 'Barlow', sans-serif;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #D4AF37;
    border: 1px solid rgba(255, 215, 0, 0.2);
}

.product-info {
    padding: var(--spacing-md);
}

.product-name {
    font-family: 'Kanit', sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.product-description {
    font-family: 'Barlow', sans-serif;
    font-weight: 400;
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.ca-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: var(--spacing-sm);
    padding: 0.25rem 0.5rem;
    background: rgba(255, 215, 0, 0.1);
    border: 1px solid rgba(255, 215, 0, 0.2);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    color: #D4AF37;
    font-weight: 600;
}

.ca-icon {
    width: 24px;
    height: auto;
    object-fit: contain;
}

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

.product-price {
    font-family: 'Barlow', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: #D4AF37;
}

.product-action {
    padding: 0.5rem 1rem;
    background: var(--bg-elevated);
    border-radius: var(--radius-full);
    font-family: 'Barlow', sans-serif;
    font-size: 0.875rem;
    font-weight: 700;
    color: #FF7F00;
    transition: all var(--transition-base);
    border: 1px solid var(--border-color);
}

.product-card:hover .product-action {
    background: var(--primary-500);
    color: #000;
    border-color: transparent;
}

/* ===== Loading State ===== */
.loading-state {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-2xl);
    font-family: 'Barlow', sans-serif;
    color: var(--text-secondary);
}

.spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--bg-elevated);
    border-top-color: var(--primary-500);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ===== Contact Section ===== */
.contact-section {
    padding: var(--spacing-2xl) 0;
    background: var(--bg-secondary);
}

.contact-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    align-items: center;
}

.contact-title {
    font-family: 'Kanit', sans-serif;
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.contact-text {
    font-family: 'Barlow', sans-serif;
    font-weight: 400;
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.contact-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-family: 'Barlow', sans-serif;
    font-weight: 400;
    font-size: 1rem;
    color: var(--text-secondary);
}

.feature-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: var(--primary-500);
    border-radius: 50%;
    font-size: 0.875rem;
    color: #000;
}

.whatsapp-card {
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    text-align: center;
}

.whatsapp-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    background: linear-gradient(135deg, #25D366, #128C7E);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.whatsapp-icon svg {
    width: 48px;
    height: 48px;
}

.whatsapp-card h3 {
    font-family: 'Kanit', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.whatsapp-card p {
    font-family: 'Barlow', sans-serif;
    font-weight: 400;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

/* ===== Footer ===== */
.footer {
    padding: var(--spacing-lg) 0;
    text-align: center;
    color: var(--text-tertiary);
    border-top: 1px solid var(--border-color);
}

/* ===== Modal ===== */
.modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
}

.modal.active {
    display: flex;
}

.modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    animation: fadeIn 0.3s ease;
}

.modal-content {
    position: relative;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    max-width: 900px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 40px;
    height: 40px;
    background: var(--bg-elevated);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--text-secondary);
    transition: all var(--transition-base);
    z-index: 1;
}

.modal-close:hover {
    background: var(--primary-500);
    color: #000;
    transform: rotate(90deg);
}

.modal-body {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.modal-image-container {
    position: relative;
    width: 100%;
    height: 400px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.modal-image-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.modal-info {
    padding: var(--spacing-xl);
}

.modal-info h3 {
    font-family: 'Kanit', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--primary-500);
}

.modal-info p {
    font-family: 'Barlow', sans-serif;
    font-weight: 400;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.modal-price {
    font-family: 'Barlow', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    color: #D4AF37;
    margin-bottom: var(--spacing-xl);
}

/* ===== Floating WhatsApp ===== */
.floating-whatsapp {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #25D366, #128C7E);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
    transition: all var(--transition-base);
    z-index: 1500;
    animation: pulse 2s ease infinite;
}

@keyframes pulse {

    0%,
    100% {
        box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
    }

    50% {
        box-shadow: 0 4px 24px rgba(37, 211, 102, 0.6);
    }
}

.floating-whatsapp:hover {
    transform: scale(1.1);
}

.floating-whatsapp svg {
    width: 32px;
    height: 32px;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .nav {
        gap: var(--spacing-md);
    }

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

    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: var(--spacing-md);
    }

    .modal-body {
        grid-template-columns: 1fr;
    }

    .modal-image-container {
        height: 300px;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .products-grid {
        grid-template-columns: 1fr;
    }

    .filter-container {
        gap: var(--spacing-xs);
    }

    .filter-btn {
        padding: 0.5rem 1rem;
        font-size: 0.875rem;
    }
}