/* ============================================
   Wall Flow Houston - Professional Styling
   Design: Premium, Clean, Modern
   Color Palette: Neutral (white, light gray, beige) with deep blue accents
   ============================================ */

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

:root {
    --primary-color: #1a3a52;
    --secondary-color: #d4a574;
    --accent-color: #2c5aa0;
    --light-bg: #f9f7f4;
    --white: #ffffff;
    --dark-text: #2c2c2c;
    --light-text: #666666;
    --border-color: #e0ddd8;
    --shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 8px 25px rgba(0, 0, 0, 0.15);
}

html {
    scroll-behavior: smooth;
}

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

/* ============================================
   HEADER & NAVIGATION
   ============================================ */

.header {
    position: sticky;
    top: 0;
    background-color: var(--white);
    z-index: 1000;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.header.scrolled {
    box-shadow: var(--shadow);
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: 'Playfair Display', serif;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: -0.5px;
}

.nav {
    display: flex;
    gap: 2.5rem;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--dark-text);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.3s ease;
    position: relative;
}

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

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

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

.header-cta {
    margin-left: 1rem;
}

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

.cta-button {
    padding: 0.75rem 1.75rem;
    border: none;
    border-radius: 4px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.cta-button.primary {
    background-color: var(--accent-color);
    color: var(--white);
}

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

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

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

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

.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(26, 58, 82, 0.7), rgba(44, 90, 160, 0.6));
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    color: var(--white);
    max-width: 800px;
    padding: 2rem;
    animation: fadeInUp 1s ease;
}

.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: 1.3rem;
    font-weight: 300;
    margin-bottom: 2rem;
    letter-spacing: 0.5px;
}

.hero-phone {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    font-weight: 500;
}

.hero-phone a {
    color: var(--secondary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.hero-phone a:hover {
    color: var(--white);
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-buttons .cta-button {
    padding: 1rem 2.5rem;
    font-size: 1rem;
}

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

.about {
    padding: 5rem 2rem;
    background-color: var(--light-bg);
}

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

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

.about h2,
.services h2,
.gallery h2,
.contact h2 {
    font-family: 'Playfair Display', serif;
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 2rem;
    font-weight: 700;
}

.about-text p {
    font-size: 1rem;
    color: var(--light-text);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

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

.feature-card {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    border-left: 4px solid var(--secondary-color);
}

.feature-card:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow);
}

.feature-icon {
    font-size: 1.8rem;
    color: var(--accent-color);
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.feature-card h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.feature-card p {
    color: var(--light-text);
    font-size: 0.95rem;
}

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

.services {
    padding: 5rem 2rem;
    background-color: var(--white);
}

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

.service-card {
    background: linear-gradient(135deg, var(--light-bg), var(--white));
    padding: 2.5rem;
    border-radius: 8px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    cursor: pointer;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
    border-color: var(--secondary-color);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: inline-block;
    transition: transform 0.3s ease;
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(5deg);
}

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

.service-card p {
    color: var(--light-text);
    font-size: 0.95rem;
    line-height: 1.7;
}

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

.gallery {
    padding: 5rem 2rem;
    background-color: var(--light-bg);
}

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

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    cursor: pointer;
    aspect-ratio: 1;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

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

.gallery-item:hover img {
    transform: scale(1.08);
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(26, 58, 82, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.2rem;
    font-weight: 600;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

/* ============================================
   LIGHTBOX
   ============================================ */

.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease;
}

.lightbox.active {
    display: flex;
}

.lightbox-image {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    border-radius: 8px;
    animation: zoomIn 0.3s ease;
}

.lightbox-close {
    position: absolute;
    top: 2rem;
    right: 2rem;
    font-size: 3rem;
    color: var(--white);
    cursor: pointer;
    transition: color 0.3s ease;
}

.lightbox-close:hover {
    color: var(--secondary-color);
}

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

.contact {
    padding: 5rem 2rem;
    background-color: var(--white);
}

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

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

.info-item {
    margin-bottom: 1.5rem;
}

.info-item strong {
    color: var(--primary-color);
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.info-item p {
    color: var(--light-text);
    font-size: 0.95rem;
}

.info-item a {
    color: var(--accent-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.info-item a:hover {
    color: var(--secondary-color);
}

.tagline {
    margin-top: 2rem;
    font-style: italic;
    color: var(--secondary-color);
    font-weight: 600;
    font-size: 1rem;
}

/* Contact Form */

.contact-form {
    background-color: var(--light-bg);
    padding: 2.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.95rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-family: 'Poppins', sans-serif;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    background-color: var(--white);
}

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

.form-group textarea {
    resize: vertical;
}

.contact-form button {
    width: 100%;
    padding: 1rem;
    font-size: 1rem;
}

/* Success Message */

.success-message {
    background-color: #d4edda;
    border: 1px solid #c3e6cb;
    border-radius: 8px;
    padding: 2rem;
    text-align: center;
    color: #155724;
    animation: slideIn 0.3s ease;
}

.success-message h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: #155724;
}

.success-message p {
    font-size: 0.95rem;
    color: #155724;
}

/* Map Container */

.map-container {
    margin-top: 3rem;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

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

.footer {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 3rem 2rem 1.5rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    font-weight: 600;
    color: var(--secondary-color);
}

.footer-section p {
    font-size: 0.9rem;
    line-height: 1.6;
    opacity: 0.9;
}

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

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

.footer-section a {
    color: var(--white);
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 0.9rem;
}

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

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    font-size: 0.85rem;
    opacity: 0.8;
}

.footer-bottom p {
    margin-bottom: 0.5rem;
}

/* ============================================
   ANIMATIONS
   ============================================ */

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

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

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes zoomIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* ============================================
   ERROR MESSAGE
   ============================================ */

.error-message {
    color: #ff6b6b;
    margin-top: 5px;
    font-size: 0.85rem;
    animation: fadeIn 0.3s ease;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
    }

    .logo {
        font-size: 1.4rem;
    }

    .nav {
        flex-direction: column;
        gap: 1rem;
        width: 100%;
    }

    .nav-link {
        width: 100%;
        text-align: center;
    }

    .header-cta {
        width: 100%;
        margin-left: 0;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

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

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

    .services h2,
    .gallery h2,
    .contact h2,
    .about h2 {
        font-size: 2rem;
    }

    .gallery-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }

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

@media (max-width: 480px) {
    .logo {
        font-size: 1.2rem;
    }

    .hero-title {
        font-size: 1.5rem;
    }

    .hero-subtitle {
        font-size: 0.9rem;
    }

    .hero-buttons .cta-button {
        padding: 0.75rem 1.5rem;
        font-size: 0.9rem;
    }

    .cta-button {
        padding: 0.6rem 1.2rem;
        font-size: 0.85rem;
    }

    .services h2,
    .gallery h2,
    .contact h2,
    .about h2 {
        font-size: 1.5rem;
    }

    .contact-form {
        padding: 1.5rem;
    }

    .lightbox-image {
        max-width: 95%;
        max-height: 85%;
    }

    .lightbox-close {
        font-size: 2rem;
    }
}