/* ===================================
   LCS Stone Care — Custom Styles
   =================================== */

/* --- CSS Custom Properties --- */
:root {
    --color-teal-50: #f0fdfa;
    --color-teal-100: #ccfbf1;
    --color-teal-200: #99f6e4;
    --color-teal-300: #5eead4;
    --color-teal-400: #2dd4bf;
    --color-teal-500: #14b8a6;
    --color-teal-600: #0d9488;
    --color-teal-700: #0f766e;
    --color-teal-800: #115e59;
    --color-teal-900: #134e4a;
    
    --color-slate-50: #f8fafc;
    --color-slate-100: #f1f5f9;
    --color-slate-200: #e2e8f0;
    --color-slate-300: #cbd5e1;
    --color-slate-400: #94a3b8;
    --color-slate-500: #64748b;
    --color-slate-600: #475569;
    --color-slate-700: #334155;
    --color-slate-800: #1e293b;
    --color-slate-900: #0f172a;
    
    --font-serif: 'Cormorant Garamond', Georgia, serif;
    --font-sans: 'Manrope', -apple-system, BlinkMacSystemFont, sans-serif;
    
    --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;
    
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
}

/* --- 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);
    font-weight: 300;
    line-height: 1.7;
    color: var(--color-slate-800);
    background-color: #ffffff;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    color: inherit;
    text-decoration: none;
}

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

/* --- Utility --- */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* --- Typography --- */
.section-eyebrow {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-teal-600);
    margin-bottom: var(--space-sm);
}

.section-title {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 400;
    line-height: 1.2;
    color: var(--color-slate-900);
    margin-bottom: var(--space-md);
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--color-slate-500);
    max-width: 560px;
    line-height: 1.7;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.03em;
    border-radius: var(--radius-sm);
    transition: all 0.25s ease;
    white-space: nowrap;
}

.btn-primary {
    background-color: var(--color-teal-600);
    color: #ffffff;
    border: 1.5px solid var(--color-teal-600);
}

.btn-primary:hover {
    background-color: var(--color-teal-700);
    border-color: var(--color-teal-700);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-teal-600);
    border: 1.5px solid var(--color-teal-600);
}

.btn-outline:hover {
    background-color: var(--color-teal-50);
}

.btn-ghost {
    background-color: rgba(255, 255, 255, 0.12);
    color: #ffffff;
    border: 1.5px solid rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(4px);
}

.btn-ghost:hover {
    background-color: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.7);
}

.btn-ghost-light {
    background-color: transparent;
    color: #ffffff;
    border: 1.5px solid rgba(255, 255, 255, 0.5);
}

.btn-ghost-light:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: #ffffff;
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* --- Navbar --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-slate-100);
    transition: box-shadow 0.3s ease;
}

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

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-slate-900);
    letter-spacing: -0.01em;
}

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

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.nav-links a {
    font-size: 0.875rem;
    font-weight: 400;
    color: var(--color-slate-600);
    transition: color 0.2s ease;
    position: relative;
}

.nav-links a:not(.btn):hover {
    color: var(--color-teal-600);
}

.nav-links a:not(.btn)::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-teal-600);
    transition: width 0.25s ease;
}

.nav-links a:not(.btn):hover::after {
    width: 100%;
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 4px;
}

.mobile-menu-btn span {
    display: block;
    width: 22px;
    height: 1.5px;
    background-color: var(--color-slate-700);
    transition: all 0.3s ease;
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(4px, 5px);
}

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

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(4px, -5px);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 999;
    visibility: hidden;
    opacity: 0;
    transition: all 0.3s ease;
}

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

.mobile-menu-overlay {
    position: absolute;
    inset: 0;
    background-color: rgba(15, 23, 42, 0.5);
    backdrop-filter: blur(4px);
}

.mobile-menu-content {
    position: absolute;
    top: 0;
    right: 0;
    width: 300px;
    height: 100%;
    background-color: #ffffff;
    padding: var(--space-2xl) var(--space-lg);
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    box-shadow: var(--shadow-lg);
    transform: translateX(100%);
    transition: transform 0.3s ease;
}

.mobile-menu.open .mobile-menu-content {
    transform: translateX(0);
}

.mobile-menu-link {
    font-size: 1.1rem;
    font-weight: 400;
    color: var(--color-slate-700);
    padding: var(--space-xs) 0;
    border-bottom: 1px solid var(--color-slate-100);
    transition: color 0.2s ease;
}

.mobile-menu-link:hover {
    color: var(--color-teal-600);
}

.mobile-menu-phone {
    margin-top: var(--space-sm);
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--color-teal-600);
    text-align: center;
    padding: var(--space-md);
    background-color: var(--color-teal-50);
    border-radius: var(--radius-md);
}

/* --- Hero --- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: linear-gradient(135deg, var(--color-teal-800) 0%, var(--color-teal-600) 40%, var(--color-slate-700) 100%);
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse 80% 60% at 20% 50%, rgba(13, 148, 136, 0.4) 0%, transparent 60%),
        radial-gradient(ellipse 60% 50% at 80% 30%, rgba(30, 41, 59, 0.5) 0%, transparent 50%);
    pointer-events: none;
}

.hero-container {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: center;
    padding-top: var(--space-4xl);
    padding-bottom: var(--space-4xl);
}

.hero-content {
    max-width: 540px;
}

.hero-eyebrow {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-teal-200);
    margin-bottom: var(--space-md);
}

.hero-title {
    font-family: var(--font-serif);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 300;
    line-height: 1.15;
    color: #ffffff;
    margin-bottom: var(--space-md);
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 1.1rem;
    line-height: 1.75;
    color: rgba(255, 255, 255, 0.75);
    margin-bottom: var(--space-xl);
    max-width: 480px;
}

.hero-buttons {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.hero-image {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.3);
}

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

.hero-scroll-indicator {
    position: absolute;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    z-index: 2;
}

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

.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-header .section-subtitle {
    margin: 0 auto;
}

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

.service-card {
    padding: var(--space-xl);
    border: 1px solid var(--color-slate-100);
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
    background-color: #ffffff;
}

.service-card:hover {
    border-color: var(--color-teal-200);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.service-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background-color: var(--color-teal-50);
    color: var(--color-teal-600);
    margin-bottom: var(--space-md);
}

.service-title {
    font-family: var(--font-serif);
    font-size: 1.35rem;
    font-weight: 600;
    color: var(--color-slate-900);
    margin-bottom: var(--space-sm);
}

.service-description {
    font-size: 0.925rem;
    color: var(--color-slate-500);
    line-height: 1.7;
}

/* --- About --- */
.about {
    padding: var(--space-4xl) 0;
    background-color: var(--color-slate-50);
}

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

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

.about-image-wrapper img {
    width: 100%;
    height: 600px;
    object-fit: cover;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.about-image-accent {
    position: absolute;
    top: -20px;
    left: -20px;
    width: 120px;
    height: 120px;
    border: 2px solid var(--color-teal-200);
    border-radius: var(--radius-md);
    z-index: -1;
}

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

.about-text {
    font-size: 1rem;
    color: var(--color-slate-600);
    line-height: 1.8;
    margin-bottom: var(--space-md);
}

.about-stats {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    margin-top: var(--space-xl);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-slate-200);
}

.stat {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.stat-number {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 600;
    color: var(--color-teal-600);
    line-height: 1;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--color-slate-500);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.stat-divider {
    width: 1px;
    height: 48px;
    background-color: var(--color-slate-200);
}

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

.process-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-md);
    align-items: start;
}

.process-step {
    text-align: left;
    padding: var(--space-lg);
    position: relative;
}

.step-number {
    font-family: var(--font-serif);
    font-size: 3rem;
    font-weight: 300;
    color: var(--color-teal-100);
    line-height: 1;
    margin-bottom: var(--space-sm);
}

.step-title {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-slate-900);
    margin-bottom: var(--space-sm);
}

.step-description {
    font-size: 0.9rem;
    color: var(--color-slate-500);
    line-height: 1.7;
}

.process-step-connector {
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 2.5rem;
}

.process-step-connector::before {
    content: '';
    width: 40px;
    height: 1px;
    background: linear-gradient(to right, var(--color-teal-200), var(--color-teal-400));
}

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

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
}

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

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(15, 23, 42, 0.7) 0%, transparent 60%);
    display: flex;
    align-items: flex-end;
    padding: var(--space-lg);
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.gallery-overlay span {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    color: #ffffff;
    font-weight: 400;
}

/* --- CTA --- */
.cta {
    position: relative;
    padding: var(--space-4xl) 0;
    overflow: hidden;
}

.cta-gradient {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--color-teal-700) 0%, var(--color-teal-900) 50%, var(--color-slate-900) 100%);
}

.cta-container {
    position: relative;
    z-index: 1;
    text-align: center;
}

.cta-content {
    max-width: 640px;
    margin: 0 auto;
}

.cta-title {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 400;
    color: #ffffff;
    margin-bottom: var(--space-md);
    line-height: 1.2;
}

.cta-subtitle {
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--space-xl);
    line-height: 1.7;
}

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

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

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

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

.contact-description {
    font-size: 1rem;
    color: var(--color-slate-500);
    line-height: 1.7;
    margin-bottom: var(--space-xl);
}

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

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

.contact-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background-color: var(--color-teal-50);
    color: var(--color-teal-600);
    flex-shrink: 0;
}

.contact-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-slate-400);
    margin-bottom: 0.2rem;
}

.contact-value {
    display: block;
    font-size: 0.95rem;
    color: var(--color-slate-700);
    line-height: 1.6;
}

.contact-value a {
    color: var(--color-teal-600);
    transition: color 0.2s ease;
}

.contact-value a:hover {
    color: var(--color-teal-700);
}

/* Contact Form */
.contact-form-wrapper {
    background-color: var(--color-slate-50);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    border: 1px solid var(--color-slate-100);
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.form-label {
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-slate-500);
}

.form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    font-family: var(--font-sans);
    font-size: 0.925rem;
    color: var(--color-slate-800);
    background-color: #ffffff;
    border: 1.5px solid var(--color-slate-200);
    border-radius: var(--radius-sm);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    outline: none;
}

.form-input:focus {
    border-color: var(--color-teal-400);
    box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.1);
}

.form-input::placeholder {
    color: var(--color-slate-300);
}

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

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

.success-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-md);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background-color: var(--color-teal-50);
    color: var(--color-teal-600);
}

.success-title {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-slate-900);
    margin-bottom: var(--space-sm);
}

.success-text {
    font-size: 0.95rem;
    color: var(--color-slate-500);
    line-height: 1.6;
}

/* --- Footer --- */
.footer {
    background-color: var(--color-slate-900);
    color: rgba(255, 255, 255, 0.6);
    padding: var(--space-3xl) 0 var(--space-lg);
}

.footer-container {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: var(--space-2xl);
    align-items: start;
    padding-bottom: var(--space-2xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand .logo {
    color: #ffffff;
    margin-bottom: var(--space-sm);
}

.footer-tagline {
    font-size: 0.9rem;
    line-height: 1.7;
    max-width: 280px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
}

.footer-links a {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.5);
    transition: color 0.2s ease;
}

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

.footer-phone {
    display: block;
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--color-teal-400);
    margin-bottom: 0.375rem;
    transition: color 0.2s ease;
}

.footer-phone:hover {
    color: var(--color-teal-300);
}

.footer-address {
    font-size: 0.9rem;
}

.footer-bottom {
    padding-top: var(--space-lg);
}

.footer-bottom-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.footer-bottom p {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.35);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content {
        max-width: 100%;
    }
    
    .hero-subtitle {
        max-width: 100%;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-image {
        max-width: 500px;
        margin: 0 auto;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-container {
        grid-template-columns: 1fr;
    }
    
    .about-image-wrapper {
        max-width: 500px;
        margin: 0 auto;
    }
    
    .process-steps {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-xl);
    }
    
    .process-step-connector {
        display: none;
    }
    
    .contact-container {
        grid-template-columns: 1fr;
    }
    
    .footer-container {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero {
        min-height: auto;
        padding: var(--space-4xl) 0 var(--space-3xl);
    }
    
    .hero-container {
        padding-top: var(--space-2xl);
    }
    
    .hero-title {
        font-size: clamp(2rem, 8vw, 2.75rem);
    }
    
    .hero-scroll-indicator {
        display: none;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .process-steps {
        grid-template-columns: 1fr;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .about-stats {
        flex-wrap: wrap;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    
    .footer-bottom-container {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-buttons .btn {
        width: 100%;
        justify-content: center;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-buttons .btn {
        width: 100%;
        max-width: 300px;
    }
}

/* --- Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .gallery-item:hover img {
        transform: none;
    }
    
    .service-card:hover {
        transform: none;
    }
}