/* =====================================================
   CSS VARIABLES & RESET
   ===================================================== */

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

:root {
    --primary-red: #e63946;
    --primary-dark: #1e1e2f;
    --primary-blue: #1e6091;
    --accent-blue: #34a0a4;
    --light-bg: #f8f9fa;
    --dark-text: #2d3436;
    --light-text: #ffffff;
    --gray-text: #6c757d;
    --border-color: #e9ecef;
    --shadow-sm: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-md: 0 8px 24px rgba(0,0,0,0.12);
    --transition: all 0.3s ease;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--dark-text);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

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

ul {
    list-style: none;
}

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

/* =====================================================
   BUTTONS & BADGES
   ===================================================== */

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: var(--primary-red);
    color: white;
    padding: 12px 28px;
    border-radius: 40px;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    background: #c1121f;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-large {
    padding: 14px 36px;
    font-size: 1.1rem;
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    background: transparent;
    color: var(--primary-red);
    padding: 10px 24px;
    border-radius: 40px;
    font-weight: 600;
    border: 2px solid var(--primary-red);
    transition: var(--transition);
}

.btn-secondary:hover {
    background: var(--primary-red);
    color: white;
    transform: translateY(-2px);
}

.section-badge {
    display: inline-block;
    background: rgba(230, 57, 70, 0.1);
    color: var(--primary-red);
    padding: 6px 16px;
    border-radius: 40px;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    margin-bottom: 16px;
}

.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--primary-dark);
}

.section-header p {
    color: var(--gray-text);
    max-width: 600px;
    margin: 0 auto;
}

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

.mt-4 {
    margin-top: 32px;
}

/* =====================================================
   HEADER / NAVBAR
   ===================================================== */

.site-header {
    background: rgba(30, 30, 47, 0.98);
    backdrop-filter: blur(8px);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
}

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

.logo a {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    display: flex;
    gap: 4px;
    font-size: 1.8rem;
}

.logo-icon .fa-fire { color: var(--primary-red); }
.logo-icon .fa-snowflake { color: var(--primary-blue); }

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.logo-name {
    font-size: 1.6rem;
    font-weight: 800;
    color: white;
}

.logo-tag {
    font-size: 0.7rem;
    letter-spacing: 2px;
    color: var(--primary-red);
    font-weight: 600;
}

.nav-menu {
    display: flex;
    gap: 32px;
}

.nav-menu a {
    color: rgba(255,255,255,0.85);
    font-weight: 500;
    transition: var(--transition);
    font-size: 0.95rem;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary-red);
}

.phone-link {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,0.1);
    padding: 8px 18px;
    border-radius: 40px;
    color: white;
    font-weight: 600;
    transition: var(--transition);
}

.phone-link:hover {
    background: var(--primary-red);
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 1.8rem;
    cursor: pointer;
}

/* =====================================================
   MOBILE MENU
   ===================================================== */

@media (max-width: 992px) {
    .mobile-toggle {
        display: block;
    }
    
    .main-nav {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 80%;
        max-width: 320px;
        height: calc(100vh - 80px);
        background: var(--primary-dark);
        transition: 0.4s ease;
        z-index: 999;
        padding: 32px 24px;
    }
    
    .main-nav.active {
        left: 0;
    }
    
    .nav-menu {
        flex-direction: column;
        gap: 24px;
    }
    
    .nav-menu a {
        font-size: 1.2rem;
        display: block;
    }
    
    .header-contact {
        display: none;
    }
}

/* =====================================================
   HERO SECTION
   ===================================================== */

.hero {
    background: linear-gradient(135deg, #1e1e2f 0%, #2a2a40 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    margin-top: 0;
    padding: 120px 0 80px;
    color: white;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('https://images.pexels.com/photos/259588/pexels-photo-259588.jpeg?auto=compress&cs=tinysrgb&w=1600') center/cover no-repeat;
    opacity: 0.15;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
}

.hero-subtitle {
    font-size: 1.3rem;
    opacity: 0.9;
    margin-bottom: 40px;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 48px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

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

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-red);
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.8;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

/* =====================================================
   CERTIFICATIONS
   ===================================================== */

.certifications {
    padding: 60px 0;
    background: white;
    border-bottom: 1px solid var(--border-color);
}

.cert-grid {
    display: flex;
    justify-content: space-between;
    gap: 30px;
    flex-wrap: wrap;
}

.cert-item {
    text-align: center;
    flex: 1;
    min-width: 180px;
}

.cert-item i {
    font-size: 2.5rem;
    color: var(--primary-red);
    margin-bottom: 12px;
}

.cert-item span {
    display: block;
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: 6px;
}

.cert-item small {
    color: var(--gray-text);
    font-size: 0.8rem;
}

/* =====================================================
   ABOUT SHORT
   ===================================================== */

.about-short {
    padding: 80px 0;
    background: var(--light-bg);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-content h2 {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--primary-dark);
}

.features-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-top: 32px;
}

.feature {
    display: flex;
    gap: 14px;
    align-items: flex-start;
}

.feature i {
    font-size: 1.8rem;
    color: var(--primary-red);
}

.feature h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 6px;
}

.feature p {
    font-size: 0.85rem;
    color: var(--gray-text);
}

.about-image img {
    border-radius: 24px;
    box-shadow: var(--shadow-md);
}

@media (max-width: 768px) {
    .about-grid {
        grid-template-columns: 1fr;
    }
}

/* =====================================================
   PRODUCTS PREVIEW
   ===================================================== */

.products-preview {
    padding: 80px 0;
    background: white;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 30px;
}

.product-card {
    background: white;
    padding: 32px 24px;
    border-radius: 20px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

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

.product-icon i {
    font-size: 3rem;
    color: var(--primary-red);
    margin-bottom: 20px;
}

.product-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.product-card p {
    color: var(--gray-text);
    margin-bottom: 20px;
    font-size: 0.9rem;
}

.product-link {
    color: var(--primary-red);
    font-weight: 600;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

/* =====================================================
   MANUFACTURING
   ===================================================== */

.manufacturing {
    padding: 80px 0;
    background: var(--light-bg);
}

.manufacturing-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.manufacturing-image img {
    border-radius: 24px;
    width: 100%;
    object-fit: cover;
    height: 400px;
}

.stats-grid {
    display: flex;
    gap: 30px;
    margin: 32px 0;
    flex-wrap: wrap;
}

.stat-card {
    text-align: center;
    flex: 1;
}

.stat-card .stat-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-red);
}

@media (max-width: 768px) {
    .manufacturing-grid {
        grid-template-columns: 1fr;
    }
}

/* =====================================================
   TESTIMONIALS SLIDER
   ===================================================== */

.testimonials {
    padding: 80px 0;
    background: white;
}

.testimonial-slider {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    overflow: hidden;
}

.testimonial-track {
    display: flex;
    transition: transform 0.4s ease;
}

.testimonial-card {
    min-width: 100%;
    padding: 40px;
    text-align: center;
    background: var(--light-bg);
    border-radius: 24px;
}

.quote-icon i {
    font-size: 2.5rem;
    color: var(--primary-red);
    opacity: 0.5;
    margin-bottom: 20px;
}

.testimonial-card p {
    font-size: 1.1rem;
    font-style: italic;
    margin-bottom: 24px;
    color: var(--dark-text);
}

.client-info h4 {
    font-weight: 700;
    margin-bottom: 4px;
}

.client-info span {
    font-size: 0.85rem;
    color: var(--gray-text);
}

.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: white;
    border: none;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    box-shadow: var(--shadow-sm);
    cursor: pointer;
    transition: var(--transition);
    font-size: 1.2rem;
}

.slider-btn:hover {
    background: var(--primary-red);
    color: white;
}

.prev { left: 10px; }
.next { right: 10px; }

.slider-dots {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 32px;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #ccc;
    cursor: pointer;
    transition: var(--transition);
}

.dot.active {
    background: var(--primary-red);
    width: 28px;
    border-radius: 20px;
}

/* =====================================================
   CTA SECTION
   ===================================================== */

.cta {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary-dark), #2a2a40);
    color: white;
    text-align: center;
}

.cta h2 {
    font-size: 2.2rem;
    margin-bottom: 16px;
}

.cta p {
    margin-bottom: 32px;
    opacity: 0.9;
}

/* =====================================================
   FOOTER
   ===================================================== */

.site-footer {
    background: #1a1a2e;
    color: rgba(255,255,255,0.8);
    padding: 60px 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: white;
}

.footer-logo i:first-child { color: var(--primary-red); }
.footer-logo i:last-child { color: var(--primary-blue); }

.social-links {
    display: flex;
    gap: 16px;
    margin-top: 20px;
}

.social-links a {
    background: rgba(255,255,255,0.1);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--primary-red);
    transform: translateY(-4px);
}

.footer-links h4,
.footer-contact h4 {
    color: white;
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.footer-links ul,
.footer-contact ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

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

.footer-contact ul li {
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.footer-bottom {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 0.85rem;
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

/* =====================================================
   PAGE HEADER (Inner Pages)
   ===================================================== */

.page-header {
    background: linear-gradient(135deg, var(--primary-dark), #2a2a40);
    padding: 140px 0 60px;
    text-align: center;
    color: white;
}

.page-header h1 {
    font-size: 2.8rem;
    margin-bottom: 16px;
}

/* =====================================================
   CONTACT FORM PAGE
   ===================================================== */

.contact-form-section {
    padding: 80px 0;
    background: var(--light-bg);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 50px;
}

.contact-info {
    background: white;
    padding: 32px;
    border-radius: 24px;
}

.info-item {
    display: flex;
    gap: 20px;
    margin-bottom: 32px;
    align-items: flex-start;
}

.info-icon {
    width: 54px;
    height: 54px;
    background: rgba(230,57,70,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: var(--primary-red);
}

.info-content h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.contact-form {
    background: white;
    padding: 40px;
    border-radius: 24px;
    box-shadow: var(--shadow-sm);
}

.form-group {
    margin-bottom: 24px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 14px 18px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-red);
    box-shadow: 0 0 0 3px rgba(230,57,70,0.1);
}

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

@media (max-width: 992px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

/* =====================================================
   PRODUCTS PAGE GRID
   ===================================================== */

.products-page {
    padding: 80px 0;
}

.products-filter {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.filter-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    padding: 10px 24px;
    border-radius: 40px;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
}

.filter-btn.active,
.filter-btn:hover {
    background: var(--primary-red);
    color: white;
    border-color: var(--primary-red);
}

/* =====================================================
   RESPONSIVE UTILITIES
   ===================================================== */

@media (max-width: 768px) {
    .section-header h2 {
        font-size: 1.8rem;
    }
    
    .hero h1 {
        font-size: 2.2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-stats {
        gap: 24px;
    }
    
    .testimonial-card {
        padding: 24px;
    }
    
    .stats-grid {
        flex-direction: column;
        align-items: center;
    }
    
    .product-card h3 {
        font-size: 1.1rem;
    }
    
    .page-header h1 {
        font-size: 2rem;
    }
    
    .contact-form {
        padding: 24px;
    }
}