/* ============================================
   Echo Interiors - Professional CSS Stylesheet
   Design Philosophy: Neutral Luxury
   Color Palette: Beige, White, Charcoal
   Typography: Playfair Display + Lato
   ============================================ */

/* ============================================
   RESET & BASE STYLES
   ============================================ */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Lato', sans-serif;
    line-height: 1.6;
    color: #2c2c2c;
    background-color: #fafaf8;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

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

/* ============================================
   CONTAINER & LAYOUT
   ============================================ */

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

/* ============================================
   TYPOGRAPHY
   ============================================ */

h1, h2, h3, h4, h5, h6 {
    font-family: 'Playfair Display', serif;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: 3.5rem;
    color: #1a1a1a;
}

h2 {
    font-size: 2.5rem;
    color: #1a1a1a;
    text-align: center;
    margin-bottom: 3rem;
}

h3 {
    font-size: 1.5rem;
    color: #2c2c2c;
}

p {
    font-size: 1rem;
    line-height: 1.8;
    color: #555;
}

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

.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    text-decoration: none;
}

.btn-primary {
    background-color: #2c2c2c;
    color: #fafaf8;
    border-color: #2c2c2c;
}

.btn-primary:hover {
    background-color: #1a1a1a;
    border-color: #1a1a1a;
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
}

.btn-secondary {
    background-color: transparent;
    color: #2c2c2c;
    border-color: #2c2c2c;
}

.btn-secondary:hover {
    background-color: #2c2c2c;
    color: #fafaf8;
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
}

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

.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: rgba(250, 250, 248, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

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

.logo h1 {
    font-size: 1.8rem;
    color: #2c2c2c;
    margin: 0;
}

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

.nav-link {
    font-size: 0.95rem;
    font-weight: 600;
    color: #2c2c2c;
    position: relative;
    padding-bottom: 4px;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #2c2c2c;
    transition: width 0.3s ease;
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: #2c2c2c;
    margin: 5px 0;
    transition: 0.3s;
}

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

.hero {
    position: relative;
    height: 100vh;
    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: linear-gradient(135deg, rgba(0, 0, 0, 0.5) 0%, rgba(0, 0, 0, 0.3) 100%);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    color: white;
    animation: fadeInUp 1s ease-out;
}

.hero-title {
    font-size: 3.5rem;
    color: white;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.5rem;
    color: #f0f0f0;
    margin-bottom: 2rem;
    font-weight: 300;
    text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.3);
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.hero-buttons .btn {
    font-size: 1.1rem;
    padding: 16px 36px;
}

.phone-icon {
    margin-right: 0.5rem;
}

.hero-phone {
    font-size: 1.2rem;
    color: white;
}

.hero-phone a {
    color: #ffd700;
    font-weight: 600;
    transition: color 0.3s ease;
}

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

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

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

.about {
    padding: 5rem 0;
    background-color: #fafaf8;
}

.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;
}

.about-highlights {
    list-style: none;
    margin-top: 2rem;
}

.about-highlights li {
    padding: 0.75rem 0;
    font-size: 1rem;
    color: #2c2c2c;
    font-weight: 500;
}

.about-image img {
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.about-image img:hover {
    transform: scale(1.02);
}

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

.services {
    padding: 5rem 0;
    background-color: white;
}

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

.service-card {
    background-color: #fafaf8;
    padding: 2.5rem;
    border-radius: 8px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.12);
}

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

.service-card h3 {
    margin-bottom: 1rem;
    color: #2c2c2c;
}

.service-card p {
    color: #666;
    font-size: 0.95rem;
}

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

.why-us {
    padding: 5rem 0;
    background: linear-gradient(135deg, #f5f5f3 0%, #fafaf8 100%);
}

.why-us-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
}

.why-card {
    background-color: white;
    padding: 2rem;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.why-card:hover {
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
    transform: translateY(-4px);
}

.why-icon {
    font-size: 2.5rem;
    color: #2c2c2c;
    margin-bottom: 1rem;
    font-weight: bold;
}

.why-card h3 {
    color: #2c2c2c;
    margin-bottom: 0.75rem;
}

.why-card p {
    color: #666;
    font-size: 0.9rem;
}

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

.gallery {
    padding: 5rem 0;
    background-color: white;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    cursor: pointer;
    aspect-ratio: 1;
}

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

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.gallery-item:hover img {
    transform: scale(1.1);
}

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

.gallery-zoom {
    font-size: 2.5rem;
    color: white;
}

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

.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.95);
    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;
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 30px;
    font-size: 3rem;
    color: white;
    cursor: pointer;
    transition: color 0.3s ease;
}

.lightbox-close:hover {
    color: #ccc;
}

.lightbox-prev,
.lightbox-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    font-size: 2.5rem;
    color: white;
    cursor: pointer;
    padding: 10px 15px;
    transition: color 0.3s ease;
}

.lightbox-prev {
    left: 20px;
}

.lightbox-next {
    right: 20px;
}

.lightbox-prev:hover,
.lightbox-next:hover {
    color: #ccc;
}

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

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

.contact {
    padding: 5rem 0;
    background-color: #fafaf8;
}

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

.contact-form {
    background-color: white;
    padding: 2.5rem;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #2c2c2c;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: 'Lato', sans-serif;
    font-size: 1rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #2c2c2c;
    box-shadow: 0 0 0 3px rgba(44, 44, 44, 0.1);
}

.contact-form .btn {
    width: 100%;
    margin-top: 1rem;
}

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

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

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

.info-block {
    background-color: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.info-block h3 {
    margin-bottom: 1.5rem;
    color: #2c2c2c;
}

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

.info-block a {
    color: #2c2c2c;
    font-weight: 600;
    transition: color 0.3s ease;
}

.info-block a:hover {
    color: #666;
}

.map-container {
    background-color: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.map-container h3 {
    margin-bottom: 1.5rem;
    color: #2c2c2c;
}

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

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

.footer {
    background-color: #2c2c2c;
    color: #f0f0f0;
    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 {
    color: white;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.footer-section p {
    color: #bbb;
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
}

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

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

.footer-section a {
    color: #bbb;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #444;
    color: #999;
    font-size: 0.9rem;
}

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

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

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

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        display: none;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.8rem;
    }

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

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 1rem;
    }

    .hero-buttons .btn {
        width: 100%;
    }

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

    .services-grid,
    .gallery-grid,
    .why-us-grid {
        grid-template-columns: 1fr;
    }

    .container {
        padding: 0 15px;
    }

    .about,
    .services,
    .why-us,
    .gallery,
    .contact {
        padding: 3rem 0;
    }

    h2 {
        margin-bottom: 2rem;
    }

    .contact-form,
    .info-block,
    .map-container {
        padding: 1.5rem;
    }

    .lightbox-prev,
    .lightbox-next {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 1.5rem;
    }

    h2 {
        font-size: 1.5rem;
    }

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

    .hero-subtitle {
        font-size: 0.95rem;
    }

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

    .hero-buttons .btn {
        padding: 12px 24px;
        font-size: 0.95rem;
    }

    .service-card,
    .why-card {
        padding: 1.5rem;
    }

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

    .gallery-grid {
        gap: 1rem;
    }

    .footer-content {
        gap: 1.5rem;
    }
}