/* Sandwin.store - Complete Building Envelope Solutions */

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #2c3e50;
    background-color: #ffffff;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header Styles */
.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(0, 0, 0, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
}

.logo h1 {
    font-size: 1.8rem;
    font-weight: 700;
    color: #2c5aa0;
    margin: 0;
}

.logo .tagline {
    font-size: 0.8rem;
    color: #7f8c8d;
    font-weight: 400;
}

.main-nav {
    display: flex;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: #2c3e50;
    font-weight: 500;
    font-size: 0.9rem;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: #2c5aa0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #e67e22;
    transition: width 0.3s ease;
}

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

.language-switcher {
    display: flex;
    gap: 0.5rem;
}

.lang-link {
    padding: 0.4rem 0.8rem;
    text-decoration: none;
    color: #7f8c8d;
    font-weight: 500;
    font-size: 0.85rem;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.lang-link:hover,
.lang-link.active {
    background: #2c5aa0;
    color: white;
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(44, 90, 160, 0.8) 0%, rgba(231, 126, 34, 0.6) 100%);
    z-index: -1;
}

.hero-content {
    text-align: center;
    color: white;
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 400;
    margin-bottom: 1.5rem;
    opacity: 0.95;
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    text-align: center;
    min-width: 180px;
}

.cta-button.primary {
    background: #e67e22;
    color: white;
    box-shadow: 0 4px 15px rgba(230, 126, 34, 0.3);
}

.cta-button.primary:hover {
    background: #d35400;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(230, 126, 34, 0.4);
}

.cta-button.secondary {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.cta-button.secondary:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
}

/* Products Section */
.products {
    padding: 6rem 0;
    background: #f8f9fa;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.section-subtitle {
    font-size: 1.1rem;
    text-align: center;
    color: #7f8c8d;
    margin-bottom: 4rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.product-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    position: relative;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.product-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.product-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: #e67e22;
    color: white;
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.product-content {
    padding: 1.5rem;
}

.product-content h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.8rem;
    color: #2c3e50;
}

.product-content p {
    color: #7f8c8d;
    margin-bottom: 1rem;
    line-height: 1.6;
}

.product-features {
    list-style: none;
    margin-bottom: 1.5rem;
}

.product-features li {
    padding: 0.3rem 0;
    color: #5a6c7d;
    position: relative;
    padding-left: 1.2rem;
}

.product-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #27ae60;
    font-weight: bold;
}

.product-cta {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    background: #2c5aa0;
    color: white;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.product-cta:hover {
    background: #1e3d72;
    transform: translateY(-1px);
}

/* Complete Systems Section */
.complete-systems {
    padding: 6rem 0;
    background: linear-gradient(135deg, #2c5aa0 0%, #34495e 100%);
    color: white;
}

.complete-systems .section-title,
.complete-systems .section-subtitle {
    color: white;
}

.systems-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.system-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
}

.system-card:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
}

.system-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}

.system-card h3 {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.system-card p {
    margin-bottom: 1.5rem;
    opacity: 0.9;
    line-height: 1.6;
}

.system-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
}

.feature-tag {
    background: rgba(230, 126, 34, 0.8);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* Calculator Section */
.calculator-section {
    padding: 6rem 0;
    background: #ecf0f1;
}

.calculator-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.calculator-info h2 {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.calculator-info > p {
    font-size: 1.1rem;
    color: #7f8c8d;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.calculator-features {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.calc-feature h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.calc-feature p {
    color: #7f8c8d;
    font-size: 0.95rem;
}

.calculator-actions {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.calc-button {
    display: block;
    padding: 1.2rem 2rem;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    border-radius: 8px;
    text-align: center;
    transition: all 0.3s ease;
}

.calc-button.primary {
    background: #e67e22;
    color: white;
    box-shadow: 0 4px 15px rgba(230, 126, 34, 0.3);
}

.calc-button.primary:hover {
    background: #d35400;
    transform: translateY(-2px);
}

.calc-button.secondary {
    background: #2c5aa0;
    color: white;
    box-shadow: 0 4px 15px rgba(44, 90, 160, 0.3);
}

.calc-button.secondary:hover {
    background: #1e3d72;
    transform: translateY(-2px);
}

.calc-button.tertiary {
    background: white;
    color: #2c3e50;
    border: 2px solid #bdc3c7;
}

.calc-button.tertiary:hover {
    border-color: #2c5aa0;
    color: #2c5aa0;
    transform: translateY(-2px);
}

/* Credentials Section */
.credentials {
    padding: 6rem 0;
    background: white;
}

.credentials-badge {
    text-align: center;
    margin-bottom: 3rem;
}

.credentials-badge h2 {
    background: linear-gradient(135deg, #2c5aa0, #e67e22);
    color: white;
    padding: 1.5rem 3rem;
    border-radius: 50px;
    font-size: 1.2rem;
    font-weight: 600;
    display: inline-block;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.credentials-content h3 {
    font-size: 2rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: 1.5rem;
    color: #2c3e50;
}

.credentials-content > p {
    font-size: 1.1rem;
    color: #7f8c8d;
    text-align: center;
    margin-bottom: 3rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

.credentials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.credential-item {
    text-align: center;
    padding: 1.5rem;
}

.credential-item h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #2c5aa0;
    margin-bottom: 1rem;
}

.credential-item p {
    color: #7f8c8d;
    line-height: 1.6;
}

/* Contact Section */
.contact {
    padding: 6rem 0;
    background: #2c3e50;
    color: white;
    text-align: center;
}

.contact-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.contact-content > p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.contact-info {
    margin-bottom: 2.5rem;
}

.contact-info p {
    margin-bottom: 0.8rem;
    font-size: 1rem;
}

.contact-info a {
    color: #e67e22;
    text-decoration: none;
    font-weight: 500;
}

.contact-info a:hover {
    text-decoration: underline;
}

.contact-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.contact-btn {
    display: inline-block;
    padding: 1rem 2rem;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    min-width: 200px;
}

.contact-btn.primary {
    background: #e67e22;
    color: white;
}

.contact-btn.primary:hover {
    background: #d35400;
    transform: translateY(-2px);
}

.contact-btn.secondary {
    background: transparent;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.contact-btn.secondary:hover {
    border-color: #e67e22;
    color: #e67e22;
    transform: translateY(-2px);
}

/* Footer */
.footer {
    background: #1a252f;
    color: #bdc3c7;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.footer-main {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
}

.footer-brand h3 {
    color: white;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.footer-brand p {
    color: #7f8c8d;
    font-size: 0.9rem;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
}

.footer-column h4 {
    color: white;
    font-weight: 600;
    margin-bottom: 1rem;
    font-size: 1rem;
}

.footer-column a {
    display: block;
    color: #bdc3c7;
    text-decoration: none;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.footer-column a:hover {
    color: #e67e22;
}

.footer-bottom {
    border-top: 1px solid #34495e;
    padding-top: 1.5rem;
    text-align: center;
}

.footer-bottom p {
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    color: #7f8c8d;
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}