/* ===================================
   Window & Interior Designs
   Confident Corporate with Burgundy & Blush
   =================================== */

/* CSS Custom Properties */
:root {
    --burgundy: #7F2B38;
    --burgundy-dark: #5C1F29;
    --burgundy-light: #A33D4D;
    --blush: #F5E6E0;
    --blush-light: #FBF3F0;
    --blush-dark: #E8D4CC;
    --navy: #1A2A3A;
    --navy-light: #2C3E50;
    --neutral-50: #FAFAFA;
    --neutral-100: #F5F5F5;
    --neutral-200: #EEEEEE;
    --neutral-300: #E0E0E0;
    --neutral-400: #BDBDBD;
    --neutral-500: #9E9E9E;
    --neutral-600: #757575;
    --neutral-700: #616161;
    --neutral-800: #424242;
    --neutral-900: #212121;
    
    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body: 'Manrope', -apple-system, BlinkMacSystemFont, sans-serif;
    
    --shadow-sm: 0 1px 3px rgba(26, 42, 58, 0.08);
    --shadow-md: 0 4px 12px rgba(26, 42, 58, 0.1);
    --shadow-lg: 0 8px 30px rgba(26, 42, 58, 0.12);
    --shadow-xl: 0 16px 50px rgba(26, 42, 58, 0.15);
    
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    color: var(--neutral-800);
    background-color: var(--neutral-50);
    line-height: 1.6;
    overflow-x: hidden;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

/* Container */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

@media (min-width: 768px) {
    .container {
        padding: 0 48px;
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 0 64px;
    }
}

/* Typography */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
    color: var(--navy);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.9375rem;
    letter-spacing: 0.02em;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background-color: var(--burgundy);
    color: #ffffff;
}

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

.btn-secondary {
    background-color: transparent;
    color: var(--navy);
    border: 2px solid var(--navy);
}

.btn-secondary:hover {
    background-color: var(--navy);
    color: #ffffff;
    transform: translateY(-2px);
}

.btn-lg {
    padding: 18px 40px;
    font-size: 1rem;
}

.btn-full {
    width: 100%;
}

/* Section Headers */
.section-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 64px;
}

.section-tag {
    display: inline-block;
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--burgundy);
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 20px;
    color: var(--navy);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--neutral-600);
    line-height: 1.7;
}

/* ===================================
   Navigation
   =================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(250, 250, 250, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--neutral-200);
    transition: var(--transition);
}

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

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: var(--burgundy);
    border-radius: var(--radius-sm);
    color: #ffffff;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--navy);
}

.nav-links {
    display: none;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--neutral-700);
}

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

.mobile-menu-btn {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--navy);
    transition: var(--transition);
}

.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--navy);
    z-index: 999;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 32px;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.mobile-menu.active {
    opacity: 1;
    visibility: visible;
}

.mobile-menu-close {
    position: absolute;
    top: 24px;
    right: 24px;
    color: #ffffff;
    padding: 8px;
}

.mobile-nav-link {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    color: #ffffff;
    opacity: 0.9;
}

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

@media (min-width: 1024px) {
    .nav-links {
        display: flex;
    }
    
    .mobile-menu-btn {
        display: none;
    }
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    padding-top: 80px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--blush-light) 0%, var(--neutral-50) 50%, var(--blush) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 80%;
    height: 200%;
    background: linear-gradient(135deg, transparent 0%, rgba(127, 43, 56, 0.03) 100%);
    pointer-events: none;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 48px;
    align-items: center;
}

.hero-content {
    order: 2;
}

.hero-image {
    order: 1;
    position: relative;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    background-color: rgba(127, 43, 56, 0.08);
    border: 1px solid rgba(127, 43, 56, 0.15);
    border-radius: 100px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--burgundy);
    margin-bottom: 32px;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background-color: var(--burgundy);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.1;
    color: var(--navy);
    margin-bottom: 24px;
}

.hero-title em {
    font-style: italic;
    color: var(--burgundy);
}

.hero-subtitle {
    font-size: clamp(1.0625rem, 2vw, 1.25rem);
    color: var(--neutral-600);
    line-height: 1.7;
    margin-bottom: 40px;
    max-width: 540px;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 56px;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 32px;
    flex-wrap: wrap;
}

.stat {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--burgundy);
}

.stat-label {
    font-size: 0.8125rem;
    color: var(--neutral-600);
    font-weight: 500;
}

.stat-divider {
    width: 1px;
    height: 48px;
    background-color: var(--neutral-300);
}

.hero-image {
    position: relative;
}

.hero-img-main {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.hero-img-main img {
    width: 100%;
    height: 500px;
    object-fit: cover;
}

.hero-img-accent {
    position: absolute;
    bottom: -40px;
    left: -40px;
    width: 200px;
    height: 200px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 4px solid var(--neutral-50);
}

.hero-img-accent img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-pattern {
    position: absolute;
    top: -60px;
    right: -60px;
    width: 200px;
    height: 200px;
    background-image: radial-gradient(circle, var(--burgundy) 1px, transparent 1px);
    background-size: 20px 20px;
    opacity: 0.15;
    pointer-events: none;
}

@media (min-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1.1fr 0.9fr;
        gap: 80px;
    }
    
    .hero-content {
        order: 1;
    }
    
    .hero-image {
        order: 2;
    }
    
    .hero-img-accent {
        left: -60px;
        bottom: -60px;
        width: 240px;
        height: 240px;
    }
}

/* ===================================
   Services Section
   =================================== */
.services {
    padding: 120px 0;
    background-color: var(--neutral-50);
}

.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

.service-card {
    background-color: #ffffff;
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    border: 1px solid var(--neutral-200);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--blush-dark);
}

.service-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--blush);
    border-radius: var(--radius-md);
    color: var(--burgundy);
    margin-bottom: 24px;
}

.service-card h3 {
    font-size: 1.375rem;
    margin-bottom: 12px;
    color: var(--navy);
}

.service-card p {
    font-size: 1rem;
    color: var(--neutral-600);
    line-height: 1.7;
}

@media (min-width: 768px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ===================================
   About Section
   =================================== */
.about {
    padding: 120px 0;
    background-color: var(--navy);
    color: #ffffff;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 64px;
    align-items: center;
}

.about-image-wrapper {
    position: relative;
}

.about-img-main {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.about-img-main img {
    width: 100%;
    height: 500px;
    object-fit: cover;
}

.about-img-secondary {
    position: absolute;
    bottom: -32px;
    right: -32px;
    width: 200px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 4px solid var(--navy);
}

.about-img-secondary img {
    width: 100%;
    height: 260px;
    object-fit: cover;
}

.about-experience-badge {
    position: absolute;
    top: -24px;
    left: -24px;
    background-color: var(--burgundy);
    color: #ffffff;
    padding: 24px;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.exp-number {
    display: block;
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1;
}

.exp-text {
    display: block;
    font-size: 0.8125rem;
    font-weight: 500;
    opacity: 0.9;
    margin-top: 4px;
}

.about-content .section-tag {
    color: var(--blush);
}

.about-content .section-title {
    color: #ffffff;
    text-align: left;
}

.about-text {
    font-size: 1.0625rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
    margin-bottom: 20px;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin: 32px 0;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.9375rem;
    font-weight: 500;
    color: #ffffff;
}

.feature-item svg {
    color: var(--blush);
    flex-shrink: 0;
}

.about-content .btn {
    margin-top: 16px;
}

@media (min-width: 1024px) {
    .about-grid {
        grid-template-columns: 0.9fr 1.1fr;
        gap: 80px;
    }
}

/* ===================================
   Gallery Section
   =================================== */
.gallery {
    padding: 120px 0;
    background-color: var(--neutral-50);
}

.gallery-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

.gallery-item {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(26, 42, 58, 0.8) 0%, transparent 60%);
    display: flex;
    align-items: flex-end;
    padding: 24px;
    opacity: 0;
    transition: var(--transition);
}

.gallery-overlay span {
    color: #ffffff;
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
}

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

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

.gallery-item-large {
    grid-column: span 1;
}

.gallery-item-tall {
    grid-row: span 2;
}

@media (min-width: 768px) {
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        grid-template-rows: repeat(2, 280px);
    }
    
    .gallery-item-large {
        grid-column: span 2;
        grid-row: span 1;
    }
    
    .gallery-item-tall {
        grid-row: span 2;
    }
}

@media (min-width: 1024px) {
    .gallery-grid {
        grid-template-columns: repeat(3, 1fr);
        grid-template-rows: repeat(2, 300px);
    }
    
    .gallery-item-large {
        grid-column: span 2;
    }
}

/* ===================================
   Testimonials Section
   =================================== */
.testimonials {
    padding: 120px 0;
    background-color: var(--blush-light);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

.testimonial-card {
    background-color: #ffffff;
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    border: 1px solid var(--neutral-200);
    transition: var(--transition);
}

.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.testimonial-quote {
    color: var(--burgundy);
    margin-bottom: 20px;
    opacity: 0.6;
}

.testimonial-text {
    font-size: 1.0625rem;
    color: var(--neutral-700);
    line-height: 1.8;
    margin-bottom: 24px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 16px;
}

.author-avatar {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--blush);
    border-radius: 50%;
    color: var(--burgundy);
}

.author-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.author-name {
    font-weight: 600;
    color: var(--navy);
    font-size: 1rem;
}

.author-location {
    font-size: 0.875rem;
    color: var(--neutral-500);
}

@media (min-width: 768px) {
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .testimonials-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ===================================
   Contact Section
   =================================== */
.contact {
    padding: 120px 0;
    background-color: var(--neutral-50);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 64px;
}

.contact-info .section-title {
    text-align: left;
}

.contact-text {
    font-size: 1.0625rem;
    color: var(--neutral-600);
    line-height: 1.7;
    margin-bottom: 40px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.contact-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--blush);
    border-radius: var(--radius-md);
    color: var(--burgundy);
    flex-shrink: 0;
}

.contact-text-content {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.contact-label {
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--neutral-500);
}

.contact-value {
    font-size: 1.0625rem;
    color: var(--navy);
    line-height: 1.6;
}

.contact-phone {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--burgundy);
}

.contact-phone:hover {
    color: var(--burgundy-dark);
}

.contact-form-wrapper {
    background-color: #ffffff;
    border-radius: var(--radius-xl);
    padding: 48px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--neutral-200);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--navy);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 14px 16px;
    border: 1px solid var(--neutral-300);
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--neutral-800);
    background-color: var(--neutral-50);
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--burgundy);
    box-shadow: 0 0 0 3px rgba(127, 43, 56, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--neutral-400);
}

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

.form-success {
    display: none;
    align-items: center;
    gap: 12px;
    padding: 20px;
    background-color: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.3);
    border-radius: var(--radius-md);
    color: #166534;
    font-weight: 500;
}

.form-success.show {
    display: flex;
}

.form-success svg {
    flex-shrink: 0;
}

@media (min-width: 1024px) {
    .contact-grid {
        grid-template-columns: 1fr 1fr;
        gap: 80px;
    }
}

/* ===================================
   Footer
   =================================== */
.footer {
    background-color: var(--navy);
    color: #ffffff;
    padding: 80px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 48px;
    padding-bottom: 64px;
}

.footer-brand .logo {
    margin-bottom: 20px;
}

.footer-brand .logo-text {
    color: #ffffff;
}

.footer-desc {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
    max-width: 300px;
}

.footer-links h4,
.footer-contact h4 {
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--blush);
    margin-bottom: 20px;
}

.footer-links ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.7);
}

.footer-links a:hover {
    color: #ffffff;
}

.footer-contact p {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
    margin-bottom: 12px;
}

.footer-phone {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--blush);
}

.footer-phone:hover {
    color: #ffffff;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 24px 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.5);
}

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

@media (min-width: 1024px) {
    .footer-grid {
        grid-template-columns: 1.5fr 1fr 1fr 1fr;
    }
}

/* ===================================
   Utility & Animations
   =================================== */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    }
    
    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Fallback: ensure content is visible without JS */
@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1;
        transform: none;
    }
}