/* ============================================
   ISCO INDUSTRIES - PROFESSIONAL WALLPAPER INSTALLATION
   Design: Modern, Professional, Trust-Building
   Color Palette: Dark Blue (#1a3a52), White, Soft Gray (#f5f5f5), Gold Accents (#d4af37)
   Typography: Playfair Display (Display), Inter (Body)
   ============================================ */

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

:root {
    --primary-dark: #1a3a52;
    --primary-blue: #2c5aa0;
    --accent-gold: #d4af37;
    --text-dark: #2c3e50;
    --text-light: #f5f5f5;
    --gray-light: #f9f9f9;
    --gray-medium: #e8e8e8;
    --border-color: #e0e0e0;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    background-color: #fff;
}

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

/* ============================================
   NAVIGATION
   ============================================ */

.navbar {
    background-color: #fff;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-dark);
    font-family: 'Playfair Display', serif;
}

.logo-img {
    width: 40px;
    height: 40px;
}

.logo-text {
    font-size: 1.3rem;
    letter-spacing: 0.5px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-links a:hover {
    color: var(--primary-blue);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-gold);
    transition: width 0.3s ease;
}

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

@media (max-width: 768px) {
    .nav-links {
        gap: 1rem;
        font-size: 0.9rem;
    }
    
    .logo-text {
        display: none;
    }
}

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

.hero {
    position: relative;
    height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    margin-top: 60px;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(26, 58, 82, 0.5);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    color: #fff;
    max-width: 800px;
}

.hero-title {
    font-family: 'Playfair Display', serif;
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
    letter-spacing: -1px;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    font-weight: 300;
    letter-spacing: 0.5px;
}

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

@media (max-width: 768px) {
    .hero {
        height: 400px;
        margin-top: 50px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
    display: inline-block;
    padding: 12px 30px;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
}

.btn-primary {
    background-color: var(--primary-blue);
    color: #fff;
    box-shadow: var(--shadow);
}

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

.btn-secondary {
    background-color: var(--accent-gold);
    color: var(--primary-dark);
    box-shadow: var(--shadow);
}

.btn-secondary:hover {
    background-color: #c9a227;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* ============================================
   SECTIONS
   ============================================ */

section {
    padding: 80px 0;
}

.section-title {
    font-family: 'Playfair Display', serif;
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--primary-dark);
    letter-spacing: -0.5px;
}

@media (max-width: 768px) {
    section {
        padding: 50px 0;
    }
    
    .section-title {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
}

/* ============================================
   ABOUT SECTION
   ============================================ */

.about {
    background-color: var(--gray-light);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.about-text p {
    margin-bottom: 1.5rem;
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-dark);
}

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

.features-list li {
    padding: 0.8rem 0;
    padding-left: 2rem;
    position: relative;
    font-size: 1rem;
}

.features-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-gold);
    font-weight: bold;
    font-size: 1.2rem;
}

.about-image img {
    width: 100%;
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
}

@media (max-width: 768px) {
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

/* ============================================
   SERVICES SECTION
   ============================================ */

.services {
    background-color: #fff;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    background-color: var(--gray-light);
    padding: 2rem;
    border-radius: 8px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid var(--gray-medium);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    background-color: #fff;
}

.service-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.service-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--primary-dark);
    font-weight: 600;
}

.service-card p {
    color: #666;
    line-height: 1.6;
}

/* ============================================
   GALLERY SECTION
   ============================================ */

.gallery {
    background-color: var(--gray-light);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    aspect-ratio: 1;
    box-shadow: var(--shadow);
}

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

.gallery-item:hover img {
    transform: scale(1.05);
}

/* ============================================
   WHY CHOOSE US SECTION
   ============================================ */

.why-us {
    background-color: #fff;
}

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

.reason-card {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-blue) 100%);
    color: #fff;
    padding: 2rem;
    border-radius: 8px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease;
}

.reason-card:hover {
    transform: translateY(-5px);
}

.reason-number {
    font-family: 'Playfair Display', serif;
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    opacity: 0.3;
}

.reason-card h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.reason-card p {
    font-size: 0.95rem;
    line-height: 1.6;
    opacity: 0.95;
}

/* ============================================
   CONTACT SECTION
   ============================================ */

.contact {
    background-color: var(--gray-light);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.contact-form-wrapper {
    background-color: #fff;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.contact-form {
    display: flex;
    flex-direction: column;
}

.form-group {
    margin-bottom: 1.5rem;
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--primary-dark);
}

.form-group input,
.form-group textarea {
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(44, 90, 160, 0.1);
}

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

.contact-form .btn {
    align-self: flex-start;
    margin-top: 1rem;
}

.success-message {
    background-color: #d4edda;
    border: 1px solid #c3e6cb;
    color: #155724;
    padding: 1.5rem;
    border-radius: 4px;
    text-align: center;
}

.success-message h3 {
    margin-bottom: 0.5rem;
    font-size: 1.3rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.info-block {
    background-color: #fff;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.info-block h3 {
    color: var(--primary-dark);
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
    font-weight: 600;
}

.info-block p {
    margin-bottom: 1rem;
    line-height: 1.8;
}

.info-block a {
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.info-block a:hover {
    color: var(--accent-gold);
}

.map-container {
    background-color: #fff;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.map-container h3 {
    color: var(--primary-dark);
    margin-bottom: 1rem;
    font-size: 1.3rem;
    font-weight: 600;
}

.map-container iframe {
    border-radius: 4px;
}

@media (max-width: 768px) {
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

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

.footer {
    background-color: var(--primary-dark);
    color: #fff;
    padding: 3rem 0 1rem;
}

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

.footer-section h4 {
    font-family: 'Playfair Display', serif;
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: var(--accent-gold);
}

.footer-section p {
    line-height: 1.8;
    opacity: 0.9;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: #fff;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: var(--accent-gold);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
    opacity: 0.8;
}

/* ============================================
   ERROR MESSAGES
   ============================================ */

.error-message {
    color: #ff6b6b;
    margin-top: 5px;
    font-size: 14px;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* ============================================
   RESPONSIVE ADJUSTMENTS
   ============================================ */

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.5rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .services-grid,
    .reasons-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
}