/* ============================================
   Bridges Floor Sanding — Custom Styles
   Classic & Elegant Design System
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
    /* Terracotta + Sand Palette */
    --color-terracotta-50: #fef7f4;
    --color-terracotta-100: #fdeee6;
    --color-terracotta-200: #fad5c5;
    --color-terracotta-300: #f5b398;
    --color-terracotta-400: #ee8465;
    --color-terracotta-500: #e0603e;
    --color-terracotta-600: #cc4a28;
    --color-terracotta-700: #a83a1f;
    --color-terracotta-800: #872f1b;
    --color-terracotta-900: #6e2717;
    
    --color-sand-50: #fefcf8;
    --color-sand-100: #fdf5e8;
    --color-sand-200: #f9e8cc;
    --color-sand-300: #f2d4a3;
    --color-sand-400: #e8bc74;
    --color-sand-500: #d4a056;
    --color-sand-600: #b8833e;
    --color-sand-700: #966630;
    --color-sand-800: #7a5129;
    --color-sand-900: #664323;

    --color-charcoal: #1a1a1a;
    --color-dark: #2c2420;
    --color-text: #3d322c;
    --color-text-light: #6b5b54;
    --color-text-muted: #9a8a82;
    --color-cream: #faf6f1;
    --color-white: #ffffff;
    --color-border: #e8ddd4;

    /* Typography */
    --font-serif: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
    --font-sans: 'Lato', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;
    --space-4xl: 8rem;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 20px;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(44, 36, 32, 0.08);
    --shadow-md: 0 4px 12px rgba(44, 36, 32, 0.1);
    --shadow-lg: 0 8px 30px rgba(44, 36, 32, 0.12);
    --shadow-xl: 0 16px 50px rgba(44, 36, 32, 0.15);

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

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

body {
    font-family: var(--font-sans);
    color: var(--color-text);
    background-color: var(--color-sand-50);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    color: var(--color-terracotta-600);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-terracotta-700);
}

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

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

/* --- Navigation --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(250, 246, 241, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid transparent;
    transition: all var(--transition-base);
}

.navbar.scrolled {
    background: rgba(250, 246, 241, 0.98);
    border-bottom-color: var(--color-border);
    box-shadow: var(--shadow-sm);
}

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

.logo {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-dark);
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.logo-icon {
    color: var(--color-terracotta-600);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: var(--space-xl);
    align-items: center;
}

.nav-links a {
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 400;
    color: var(--color-text);
    letter-spacing: 0.02em;
    position: relative;
    padding: var(--space-xs) 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-terracotta-500);
    transition: width var(--transition-base);
}

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

.nav-links a:hover {
    color: var(--color-terracotta-600);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-xs);
}

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

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    padding: 14px 32px;
    border-radius: var(--radius-md);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
}

.btn-primary {
    background: var(--color-terracotta-600);
    color: var(--color-white);
    border-color: var(--color-terracotta-600);
}

.btn-primary:hover {
    background: var(--color-terracotta-700);
    border-color: var(--color-terracotta-700);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover {
    background: var(--color-white);
    color: var(--color-terracotta-600);
    transform: translateY(-2px);
}

.btn-secondary.dark {
    color: var(--color-terracotta-600);
    border-color: var(--color-terracotta-600);
}

.btn-secondary.dark:hover {
    background: var(--color-terracotta-600);
    color: var(--color-white);
}

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

.btn-full {
    width: 100%;
}

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

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

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

.hero-gradient {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(168, 58, 31, 0.88) 0%,
        rgba(224, 96, 62, 0.82) 30%,
        rgba(212, 160, 86, 0.75) 60%,
        rgba(184, 131, 62, 0.85) 100%
    );
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to bottom,
        rgba(0,0,0,0.2) 0%,
        rgba(0,0,0,0.1) 50%,
        rgba(0,0,0,0.3) 100%
    );
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    max-width: 800px;
    padding: var(--space-2xl) var(--space-lg);
}

.hero-title {
    font-size: clamp(2.2rem, 5vw, 4rem);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--space-lg);
    line-height: 1.15;
    text-shadow: 0 2px 20px rgba(0,0,0,0.2);
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: rgba(255,255,255,0.9);
    margin-bottom: var(--space-xl);
    line-height: 1.7;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

.hero-scroll {
    position: absolute;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
    color: rgba(255,255,255,0.7);
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    animation: float 2s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(8px); }
}

/* --- Section Headers --- */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-3xl);
}

.section-tag {
    display: inline-block;
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-terracotta-600);
    margin-bottom: var(--space-sm);
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.8rem);
    margin-bottom: var(--space-md);
    color: var(--color-dark);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-light);
    line-height: 1.7;
}

/* --- Services Section --- */
.services {
    padding: var(--space-4xl) 0;
    background: var(--color-sand-50);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.service-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-terracotta-200);
}

.service-icon {
    width: 72px;
    height: 72px;
    border-radius: var(--radius-md);
    background: var(--color-terracotta-50);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-lg);
    color: var(--color-terracotta-600);
}

.service-title {
    font-size: 1.4rem;
    margin-bottom: var(--space-sm);
    color: var(--color-dark);
}

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

/* --- About Section --- */
.about {
    padding: var(--space-4xl) 0;
    background: var(--color-white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

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

.about-image {
    width: 100%;
    height: 500px;
    object-fit: cover;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.about-accent {
    position: absolute;
    bottom: -20px;
    right: -20px;
    width: 200px;
    height: 200px;
    background: var(--color-terracotta-200);
    border-radius: var(--radius-lg);
    z-index: -1;
}

.about-content .section-tag {
    text-align: left;
}

.about-content .section-title {
    text-align: left;
    margin-bottom: var(--space-lg);
}

.about-text {
    font-size: 1.05rem;
    color: var(--color-text-light);
    margin-bottom: var(--space-md);
    line-height: 1.8;
}

.about-stats {
    display: flex;
    gap: var(--space-2xl);
    margin-top: var(--space-xl);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-border);
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-terracotta-600);
    line-height: 1;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-top: var(--space-xs);
}

/* --- Process Section --- */
.process {
    padding: var(--space-4xl) 0;
    background: var(--color-cream);
}

.process-timeline {
    max-width: 800px;
    margin: 0 auto;
}

.process-step {
    display: flex;
    gap: var(--space-xl);
    margin-bottom: var(--space-2xl);
    position: relative;
}

.process-step:not(:last-child)::before {
    content: '';
    position: absolute;
    left: 28px;
    top: 60px;
    bottom: -20px;
    width: 2px;
    background: var(--color-border);
}

.step-number {
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--color-terracotta-600);
    color: var(--color-white);
    font-family: var(--font-serif);
    font-size: 1.2rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}

.step-content h3 {
    font-size: 1.3rem;
    margin-bottom: var(--space-xs);
    color: var(--color-dark);
}

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

/* --- Gallery Section --- */
.gallery {
    padding: var(--space-4xl) 0;
    background: var(--color-sand-50);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.gallery-item {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 3/2;
    cursor: pointer;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(44, 36, 32, 0.8) 0%, transparent 60%);
    display: flex;
    align-items: flex-end;
    padding: var(--space-lg);
    opacity: 0;
    transition: opacity var(--transition-base);
}

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

.gallery-overlay span {
    font-family: var(--font-serif);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color-white);
}

/* --- Testimonials Section --- */
.testimonials {
    padding: var(--space-4xl) 0;
    background: var(--color-dark);
}

.testimonials .section-tag {
    color: var(--color-terracotta-300);
}

.testimonials .section-title {
    color: var(--color-white);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.testimonial-card {
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    transition: all var(--transition-base);
}

.testimonial-card:hover {
    background: rgba(255,255,255,0.1);
    transform: translateY(-4px);
}

.testimonial-quote {
    color: var(--color-terracotta-400);
    margin-bottom: var(--space-md);
    opacity: 0.7;
}

.testimonial-text {
    font-size: 1rem;
    color: rgba(255,255,255,0.85);
    line-height: 1.8;
    margin-bottom: var(--space-lg);
    font-style: italic;
}

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

.author-name {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-white);
}

.author-location {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.5);
}

/* --- CTA Section --- */
.cta {
    padding: var(--space-4xl) 0;
    background: linear-gradient(135deg, var(--color-terracotta-700) 0%, var(--color-terracotta-500) 50%, var(--color-sand-600) 100%);
}

.cta-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-title {
    font-size: clamp(2rem, 4vw, 2.8rem);
    color: var(--color-white);
    margin-bottom: var(--space-lg);
}

.cta-text {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.9);
    margin-bottom: var(--space-xl);
    line-height: 1.7;
}

.cta-buttons {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* --- Contact Section --- */
.contact {
    padding: var(--space-4xl) 0;
    background: var(--color-white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
}

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

.contact-info .section-title {
    text-align: left;
    margin-bottom: var(--space-md);
}

.contact-text {
    font-size: 1.05rem;
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: var(--space-xl);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.contact-item {
    display: flex;
    gap: var(--space-md);
    align-items: flex-start;
}

.contact-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: var(--color-terracotta-50);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-terracotta-600);
}

.contact-item strong {
    display: block;
    font-family: var(--font-sans);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-dark);
    margin-bottom: 4px;
}

.contact-item p {
    font-size: 0.95rem;
    color: var(--color-text-light);
    line-height: 1.6;
}

.contact-item a {
    color: var(--color-terracotta-600);
}

.contact-item a:hover {
    color: var(--color-terracotta-700);
    text-decoration: underline;
}

/* --- Contact Form --- */
.contact-form-wrapper {
    background: var(--color-sand-50);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
}

.form-title {
    font-size: 1.5rem;
    margin-bottom: var(--space-xl);
    color: var(--color-dark);
}

.form-group {
    margin-bottom: var(--space-md);
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-text);
    margin-bottom: var(--space-xs);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-family: var(--font-sans);
    font-size: 1rem;
    color: var(--color-text);
    background: var(--color-white);
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-terracotta-500);
    box-shadow: 0 0 0 3px rgba(224, 96, 62, 0.15);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-note {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-top: var(--space-sm);
    text-align: center;
}

.form-success {
    text-align: center;
    padding: var(--space-2xl);
}

.success-icon {
    color: var(--color-terracotta-600);
    margin-bottom: var(--space-lg);
}

.form-success h3 {
    font-size: 1.8rem;
    margin-bottom: var(--space-md);
}

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

/* --- Map Section --- */
.map-section {
    background: var(--color-border);
}

.map-section iframe {
    display: block;
}

/* --- Footer --- */
.footer {
    background: var(--color-charcoal);
    padding: var(--space-3xl) 0 var(--space-lg);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

.footer-logo {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-white);
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    margin-bottom: var(--space-md);
}

.footer-logo .logo-icon {
    color: var(--color-terracotta-400);
}

.footer-tagline {
    font-size: 0.95rem;
    color: rgba(255,255,255,0.6);
    line-height: 1.7;
}

.footer-links h4,
.footer-contact h4 {
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-white);
    margin-bottom: var(--space-md);
}

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

.footer-links li {
    margin-bottom: var(--space-xs);
}

.footer-links a {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.6);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-terracotta-400);
}

.footer-contact p {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.6);
    line-height: 1.7;
    margin-bottom: var(--space-xs);
}

.footer-contact a {
    color: var(--color-terracotta-400);
}

.footer-bottom {
    padding-top: var(--space-xl);
    border-top: 1px solid rgba(255,255,255,0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.footer-bottom p {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.4);
}

/* --- Mobile Menu --- */
.nav-links {
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background: rgba(250, 246, 241, 0.98);
    backdrop-filter: blur(10px);
    flex-direction: column;
    padding: var(--space-xl);
    gap: var(--space-md);
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-120%);
    transition: transform var(--transition-base);
    z-index: 999;
}

.nav-links.active {
    transform: translateY(0);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
    .services-grid,
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

    .mobile-menu-btn {
        display: flex;
    }

    .hero-title {
        font-size: clamp(1.8rem, 6vw, 2.8rem);
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 300px;
    }

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

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

    .about-image {
        height: 350px;
    }

    .about-accent {
        display: none;
    }

    .about-stats {
        gap: var(--space-lg);
    }

    .process-step {
        gap: var(--space-md);
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
}

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

    .hero-content {
        padding: var(--space-xl) var(--space-md);
    }

    .about-stats {
        flex-direction: column;
        gap: var(--space-md);
    }
}

/* --- Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}