/* ============================================
   NOBLE RIDGE COLLECTIVE - STYLES
   Premium Wallpaper Installation Company
   Design Philosophy: Contemporary Luxury
   Color Scheme: Slate Blue, Silver, White
   ============================================ */

/* ============================================
   ROOT VARIABLES & TYPOGRAPHY
   ============================================ */

:root {
    /* Color Palette - Contemporary Luxury */
    --primary-dark: #3d4f63;
    --primary-light: #4a5f73;
    --accent-silver: #c0c0c0;
    --accent-slate: #5a7a8f;
    --text-dark: #2c3e50;
    --text-light: #7f8c8d;
    --border-color: #b8c6d4;
    --success-color: #27ae60;
    --error-color: #e74c3c;
    --white: #ffffff;
    --light-bg: #f5f7fa;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Typography */
    --font-serif: 'Georgia', 'Garamond', serif;
    --font-sans: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.6;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-smooth: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--text-dark);
    background-color: var(--white);
}

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
    color: var(--primary-dark);
}

h1 {
    font-size: 3.5rem;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 1.75rem;
}

h4 {
    font-size: 1.5rem;
}

p {
    margin-bottom: var(--spacing-md);
    color: var(--text-dark);
}

a {
    color: var(--primary-dark);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--accent-slate);
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
}

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

.navbar {
    position: sticky;
    top: 0;
    background-color: var(--primary-dark);
    color: white;
    padding: var(--spacing-md) 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
    z-index: 1000;
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    flex-shrink: 0;
}

.logo-text {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-silver);
    letter-spacing: 1px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-xl);
}

.nav-link {
    color: white;
    font-weight: 500;
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-silver);
    transition: width var(--transition-fast);
}

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

.hamburger {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    gap: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: white;
    transition: all var(--transition-smooth);
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background-color: var(--primary-light);
        padding: var(--spacing-lg);
        gap: var(--spacing-md);
    }

    .nav-menu.active {
        display: flex;
    }

    .hamburger {
        display: flex;
    }

    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(10px, 10px);
    }

    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }
}

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

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

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

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(61, 79, 99, 0.75) 0%, rgba(90, 122, 143, 0.65) 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: 4rem;
    color: white;
    margin-bottom: var(--spacing-md);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.75rem;
    color: var(--accent-silver);
    margin-bottom: var(--spacing-2xl);
    font-weight: 300;
    letter-spacing: 2px;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    flex-wrap: wrap;
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.25rem;
    }

    .hero-buttons {
        flex-direction: column;
        gap: var(--spacing-md);
    }
}

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

.btn {
    display: inline-block;
    padding: var(--spacing-md) var(--spacing-xl);
    border: 2px solid transparent;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-smooth);
    text-decoration: none;
    letter-spacing: 0.5px;
}

.btn-primary {
    background-color: var(--accent-silver);
    color: var(--primary-dark);
    border-color: var(--accent-silver);
}

.btn-primary:hover {
    background-color: transparent;
    color: var(--accent-silver);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(192, 192, 192, 0.3);
}

.btn-secondary {
    background-color: transparent;
    color: white;
    border-color: white;
}

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

.btn-submit {
    width: 100%;
    margin-top: var(--spacing-md);
}

/* ============================================
   SECTION HEADERS
   ============================================ */

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-header h2 {
    margin-bottom: var(--spacing-md);
}

.header-underline {
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-slate) 0%, var(--accent-silver) 100%);
    margin: 0 auto;
    border-radius: 2px;
}

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

.about {
    padding: var(--spacing-2xl) 0;
    background-color: var(--light-bg);
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
}

.about-text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-dark);
    margin-bottom: var(--spacing-lg);
}

.about-text:last-child {
    margin-bottom: 0;
}

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

.services {
    padding: var(--spacing-2xl) 0;
    background-color: var(--white);
}

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

.service-card {
    background-color: var(--light-bg);
    padding: var(--spacing-xl);
    border-radius: 8px;
    text-align: center;
    transition: all var(--transition-smooth);
    border: 2px solid transparent;
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent-slate);
    box-shadow: 0 8px 24px rgba(90, 122, 143, 0.15);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.service-card h3 {
    margin-bottom: var(--spacing-md);
    color: var(--primary-dark);
}

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

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

.gallery {
    padding: var(--spacing-2xl) 0;
    background-color: var(--light-bg);
}

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

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: all var(--transition-smooth);
    cursor: pointer;
    height: 300px;
}

.gallery-item:hover {
    transform: translateY(-6px);
    box-shadow: 0 8px 24px rgba(90, 122, 143, 0.2);
}

.gallery-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-smooth);
}

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

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(90, 122, 143, 0.85) 0%, rgba(61, 79, 99, 0.9) 100%);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    opacity: 0;
    transition: opacity var(--transition-smooth);
    padding: var(--spacing-lg);
}

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

.gallery-overlay h3 {
    color: var(--accent-silver);
    margin-bottom: var(--spacing-sm);
    font-size: 1.5rem;
}

.gallery-overlay p {
    color: var(--white);
    font-size: 0.95rem;
    margin-bottom: 0;
}

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

.why-us {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(135deg, var(--light-bg) 0%, #eef2f7 100%);
}

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

.why-us-item {
    background-color: var(--white);
    padding: var(--spacing-xl);
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: all var(--transition-smooth);
}

.why-us-item:hover {
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.12);
    transform: translateY(-4px);
}

.why-us-number {
    display: inline-block;
    width: 50px;
    height: 50px;
    background-color: var(--accent-silver);
    color: var(--primary-dark);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: var(--spacing-md);
}

.why-us-item h3 {
    margin-bottom: var(--spacing-md);
    color: var(--primary-dark);
}

.why-us-item p {
    color: var(--text-light);
    margin-bottom: 0;
}

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

.contact {
    padding: var(--spacing-2xl) 0;
    background-color: var(--white);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: start;
}

.contact-intro {
    font-size: 1.1rem;
    color: var(--text-dark);
    margin-bottom: var(--spacing-lg);
}

.contact-details {
    margin-top: var(--spacing-xl);
}

.detail-item {
    display: flex;
    flex-direction: column;
    margin-bottom: var(--spacing-lg);
}

.detail-label {
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: var(--spacing-xs);
}

.detail-value {
    color: var(--text-light);
    font-size: 1.1rem;
}

.detail-value:hover {
    color: var(--accent-slate);
}

.contact-form {
    background-color: var(--light-bg);
    padding: var(--spacing-xl);
    border-radius: 8px;
    border-left: 4px solid var(--accent-slate);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    color: var(--primary-dark);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--border-color);
    border-radius: 4px;
    font-family: var(--font-sans);
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-slate);
    box-shadow: 0 0 0 3px rgba(90, 122, 143, 0.1);
}

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

.success-message {
    background-color: #d4edda;
    border: 2px solid var(--success-color);
    border-radius: 8px;
    padding: var(--spacing-xl);
    text-align: center;
    color: #155724;
}

.success-message h3 {
    color: #155724;
    margin-bottom: var(--spacing-md);
}

.error-message {
    color: var(--error-color);
    font-size: 0.9rem;
    margin-top: var(--spacing-xs);
}

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

/* ============================================
   MAP SECTION
   ============================================ */

.map-section {
    padding: var(--spacing-2xl) 0;
    background-color: var(--light-bg);
}

.map-container {
    width: 100%;
    height: 450px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.map-container iframe {
    width: 100%;
    height: 100%;
    border: none;
}

@media (max-width: 768px) {
    .map-container {
        height: 300px;
    }
}

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

.footer {
    background-color: var(--primary-dark);
    color: white;
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

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

.footer-section h3,
.footer-section h4 {
    color: var(--accent-silver);
    margin-bottom: var(--spacing-md);
}

.footer-section p {
    color: #ecf0f1;
    margin-bottom: var(--spacing-sm);
}

.footer-section a {
    color: #ecf0f1;
    transition: color var(--transition-fast);
}

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

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

.footer-section ul li {
    margin-bottom: var(--spacing-sm);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: var(--spacing-lg);
    text-align: center;
}

.footer-bottom p {
    color: #bdc3c7;
    margin-bottom: var(--spacing-xs);
}

.footer-tagline {
    color: var(--accent-silver);
    font-style: italic;
    font-size: 0.95rem;
}

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

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

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

@media (max-width: 768px) {
    :root {
        --spacing-xl: 2rem;
        --spacing-2xl: 2.5rem;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    h3 {
        font-size: 1.25rem;
    }

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

    .nav-menu {
        gap: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    :root {
        --font-size-base: 14px;
    }

    h1 {
        font-size: 1.75rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    .hero-title {
        font-size: 1.75rem;
    }

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

    .btn {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: 0.95rem;
    }

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

    .contact-form {
        padding: var(--spacing-lg);
    }

    .gallery-item {
        height: 250px;
    }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

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

.text-silver {
    color: var(--accent-silver);
}

.mt-lg {
    margin-top: var(--spacing-lg);
}

.mb-lg {
    margin-bottom: var(--spacing-lg);
}

.py-2xl {
    padding-top: var(--spacing-2xl);
    padding-bottom: var(--spacing-2xl);
}