/* ============================================
   Whitey's Metal Recycling — Styles
   Burgundy & Blush | Classic & Elegant
   ============================================ */

/* ---------- CSS Custom Properties ---------- */
:root {
    --color-burgundy: #7B2D3B;
    --color-burgundy-dark: #5C1F2C;
    --color-burgundy-deeper: #3D1419;
    --color-burgundy-light: #9E4050;
    --color-blush: #E8C4C0;
    --color-blush-light: #F2DDD9;
    --color-blush-lighter: #F9EDEA;
    --color-blush-pale: #FDF5F3;
    --color-cream: #FDF8F6;
    --color-ivory: #FEFCFB;
    --color-charcoal: #2A2224;
    --color-dark: #1E181A;
    --color-text: #3D2A2E;
    --color-text-light: #6B5258;
    --color-text-muted: #8E747A;
    --color-border: #E8D5D2;
    --color-border-light: #F0E0DC;
    
    --font-serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
    --font-sans: 'Lato', 'Segoe UI', system-ui, sans-serif;
    
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;
    --space-2xl: 6rem;
    --space-3xl: 8rem;
    
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    --shadow-sm: 0 1px 3px rgba(123, 45, 59, 0.06), 0 1px 2px rgba(123, 45, 59, 0.04);
    --shadow-md: 0 4px 16px rgba(123, 45, 59, 0.08), 0 2px 4px rgba(123, 45, 59, 0.04);
    --shadow-lg: 0 12px 40px rgba(123, 45, 59, 0.12), 0 4px 12px rgba(123, 45, 59, 0.06);
    --shadow-xl: 0 24px 60px rgba(123, 45, 59, 0.15);
    
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    font-size: 16px;
}

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

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

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

a:hover {
    color: var(--color-burgundy-light);
}

ul {
    list-style: none;
}

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

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

.section-eyebrow {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-burgundy);
    margin-bottom: var(--space-xs);
}

.section-eyebrow--light {
    color: var(--color-blush);
}

.section-title {
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    margin-bottom: var(--space-sm);
    color: var(--color-charcoal);
}

.section-title--light {
    color: var(--color-ivory);
}

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

.section-subtitle--light {
    color: var(--color-blush-light);
}

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

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

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    padding: 0.875rem 1.75rem;
    border-radius: var(--radius-md);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background-color: var(--color-burgundy);
    color: var(--color-ivory);
    border-color: var(--color-burgundy);
}

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

.btn-secondary {
    background-color: transparent;
    color: var(--color-ivory);
    border-color: rgba(255, 255, 255, 0.5);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: var(--color-ivory);
    color: var(--color-ivory);
    transform: translateY(-1px);
}

.btn-outline-light {
    background-color: transparent;
    color: var(--color-ivory);
    border-color: rgba(255, 255, 255, 0.6);
}

.btn-outline-light:hover {
    background-color: var(--color-ivory);
    color: var(--color-burgundy);
    transform: translateY(-1px);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1rem;
}

/* ---------- Header / Navigation ---------- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(253, 248, 246, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border-light);
    transition: box-shadow var(--transition-base);
}

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

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

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    text-decoration: none;
    color: var(--color-burgundy);
}

.logo--light {
    color: var(--color-ivory);
}

.logo-icon {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.logo--light .logo-icon {
    color: var(--color-blush);
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.logo-name {
    font-family: var(--font-serif);
    font-size: 1.15rem;
    font-weight: 700;
    color: inherit;
}

.logo-sub {
    font-family: var(--font-sans);
    font-size: 0.65rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

.logo--light .logo-sub {
    color: var(--color-blush);
}

/* Nav */
.main-nav {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

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

.nav-list a {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
    padding: 0.375rem 0.75rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.nav-list a:hover {
    color: var(--color-burgundy);
    background-color: var(--color-blush-pale);
}

.nav-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-burgundy);
    padding: 0.5rem 1rem;
    background-color: var(--color-blush-pale);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.nav-cta:hover {
    background-color: var(--color-burgundy);
    color: var(--color-ivory);
}

/* Mobile Nav Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1001;
}

.nav-toggle-line {
    display: block;
    width: 22px;
    height: 2px;
    background-color: var(--color-charcoal);
    border-radius: 2px;
    transition: all var(--transition-base);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(2) {
    opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ---------- Hero Section ---------- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background-color: var(--color-burgundy-deeper);
}

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

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.35;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(61, 20, 25, 0.92) 0%,
        rgba(123, 45, 59, 0.85) 50%,
        rgba(92, 31, 44, 0.88) 100%
    );
}

.hero-pattern {
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(232, 196, 192, 0.06) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(232, 196, 192, 0.04) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    padding: var(--space-3xl) var(--space-md);
}

.hero-eyebrow {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--color-blush);
    margin-bottom: var(--space-md);
}

.hero-title {
    font-family: var(--font-serif);
    font-size: clamp(2.25rem, 6vw, 4rem);
    font-weight: 700;
    color: var(--color-ivory);
    line-height: 1.1;
    margin-bottom: var(--space-md);
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: var(--color-blush-light);
    line-height: 1.7;
    margin-bottom: var(--space-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    flex-wrap: wrap;
    margin-bottom: var(--space-xl);
}

.hero-trust {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-lg);
    flex-wrap: wrap;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-blush-light);
}

.trust-item svg {
    color: var(--color-blush);
    opacity: 0.8;
}

.hero-scroll {
    position: absolute;
    bottom: var(--space-lg);
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
    color: var(--color-blush);
    opacity: 0.6;
    animation: heroScrollBounce 2s ease-in-out infinite;
}

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

/* ---------- Services Section ---------- */
.services {
    padding: var(--space-3xl) 0;
    background-color: var(--color-ivory);
}

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

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

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

.service-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-blush-pale);
    border-radius: var(--radius-md);
    color: var(--color-burgundy);
    margin-bottom: var(--space-md);
    transition: all var(--transition-base);
}

.service-card:hover .service-icon {
    background-color: var(--color-burgundy);
    color: var(--color-ivory);
}

.service-card h3 {
    font-family: var(--font-serif);
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
    color: var(--color-charcoal);
}

.service-card p {
    font-size: 0.925rem;
    color: var(--color-text-light);
    line-height: 1.7;
}

/* ---------- About Section ---------- */
.about {
    padding: var(--space-3xl) 0;
    background-color: var(--color-blush-pale);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: center;
}

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

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

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

.about-image-accent {
    position: absolute;
    bottom: -2rem;
    right: -1.5rem;
    width: 55%;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 4px solid var(--color-blush-pale);
}

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

.about-stat {
    position: absolute;
    top: -1rem;
    left: -1rem;
    background-color: var(--color-burgundy);
    color: var(--color-ivory);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.about-stat .stat-number {
    display: block;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-blush);
    margin-bottom: 0.25rem;
}

.about-stat .stat-value {
    display: block;
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-ivory);
}

.about-stat .stat-desc {
    display: block;
    font-size: 0.75rem;
    color: var(--color-blush-light);
    margin-top: 0.25rem;
}

.about-content {
    padding: var(--space-sm) 0;
}

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

.about-values {
    margin-top: var(--space-lg);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-sm);
}

.value-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 0.9rem;
    color: var(--color-text);
}

.value-item svg {
    flex-shrink: 0;
    color: var(--color-burgundy);
    margin-top: 2px;
}

/* ---------- Materials Section ---------- */
.materials {
    padding: var(--space-3xl) 0;
    background-color: var(--color-burgundy-deeper);
}

.materials-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.material-item {
    background-color: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    text-align: center;
    transition: all var(--transition-base);
}

.material-item:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
}

.material-swatch {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    margin: 0 auto var(--space-sm);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.material-copper { background: linear-gradient(135deg, #B87333, #D4976A, #B87333); }
.material-aluminum { background: linear-gradient(135deg, #A8A9AD, #C0C2C5, #A8A9AD); }
.material-brass { background: linear-gradient(135deg, #C9A84C, #E0C068, #C9A84C); }
.material-stainless { background: linear-gradient(135deg, #8A8A8A, #B0B0B0, #8A8A8A); }
.material-lead { background: linear-gradient(135deg, #5A5A6E, #7A7A8E, #5A5A6E); }
.material-steel { background: linear-gradient(135deg, #4A4A5A, #6A6A7A, #4A4A5A); }
.material-auto { background: linear-gradient(135deg, #6B4C3B, #8B6C5B, #6B4C3B); }
.material-appliance { background: linear-gradient(135deg, #C0C0C0, #E0E0E0, #C0C0C0); }

.material-item h3 {
    font-family: var(--font-serif);
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--color-ivory);
    margin-bottom: var(--space-xs);
}

.material-item p {
    font-size: 0.85rem;
    color: var(--color-blush-light);
    line-height: 1.6;
}

.materials-note {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: var(--space-md);
    background-color: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    color: var(--color-blush-light);
}

.materials-note svg {
    flex-shrink: 0;
    color: var(--color-blush);
    opacity: 0.7;
}

.materials-note a {
    color: var(--color-blush);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.materials-note a:hover {
    color: var(--color-ivory);
}

/* ---------- Process Section ---------- */
.process {
    padding: var(--space-3xl) 0;
    background-color: var(--color-ivory);
}

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

.process-steps::before {
    content: '';
    position: absolute;
    top: 2.5rem;
    left: calc(16.66% + 1rem);
    right: calc(16.66% + 1rem);
    height: 2px;
    background: linear-gradient(90deg, var(--color-blush), var(--color-burgundy), var(--color-blush));
    z-index: 0;
}

.process-step {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: var(--space-md);
}

.step-number {
    font-family: var(--font-serif);
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-burgundy);
    opacity: 0.15;
    line-height: 1;
    margin-bottom: var(--space-xs);
}

.process-step h3 {
    font-family: var(--font-serif);
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
    color: var(--color-charcoal);
}

.process-step p {
    font-size: 0.925rem;
    color: var(--color-text-light);
    line-height: 1.7;
}

.process-step a {
    color: var(--color-burgundy);
    font-weight: 600;
}

/* ---------- CTA Banner ---------- */
.cta-banner {
    position: relative;
    padding: var(--space-3xl) 0;
    overflow: hidden;
}

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

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

.cta-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(61, 20, 25, 0.93) 0%,
        rgba(123, 45, 59, 0.88) 100%
    );
}

.cta-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-title {
    font-family: var(--font-serif);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    color: var(--color-ivory);
    margin-bottom: var(--space-sm);
}

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

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

/* ---------- Contact Section ---------- */
.contact {
    padding: var(--space-3xl) 0;
    background-color: var(--color-blush-pale);
}

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

.contact-intro {
    font-size: 1rem;
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: var(--space-lg);
}

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

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

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

.contact-text {
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
}

.contact-label {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

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

.contact-link {
    font-size: 0.95rem;
    color: var(--color-burgundy);
    font-weight: 500;
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: all var(--transition-fast);
}

.contact-link:hover {
    color: var(--color-burgundy-dark);
    border-bottom-color: var(--color-burgundy-dark);
}

.contact-map {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    min-height: 400px;
    border: 1px solid var(--color-border);
}

/* ---------- Footer ---------- */
.footer {
    background-color: var(--color-dark);
    color: var(--color-blush-light);
    padding: var(--space-2xl) 0 var(--space-md);
}

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

.footer-tagline {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.7;
    margin-top: var(--space-sm);
    max-width: 280px;
}

.footer-links h4,
.footer-contact h4 {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-blush);
    margin-bottom: var(--space-sm);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-links a {
    font-size: 0.9rem;
    color: var(--color-blush-light);
    transition: color var(--transition-fast);
}

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

.footer-contact address {
    font-style: normal;
    font-size: 0.9rem;
    line-height: 1.7;
    color: var(--color-blush-light);
    margin-bottom: var(--space-xs);
}

.footer-contact p {
    font-size: 0.9rem;
    line-height: 1.7;
}

.footer-contact a {
    color: var(--color-blush-light);
    transition: color var(--transition-fast);
}

.footer-contact a:hover {
    color: var(--color-ivory);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: var(--space-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.footer-bottom p {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

/* ---------- Scroll Animations (progressive enhancement) ---------- */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.6s ease, transform 0.6s ease;
    }
    
    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
    
    .reveal-delay-1 { transition-delay: 0.1s; }
    .reveal-delay-2 { transition-delay: 0.2s; }
    .reveal-delay-3 { transition-delay: 0.3s; }
    .reveal-delay-4 { transition-delay: 0.4s; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .materials-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }
    
    .main-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background-color: var(--color-cream);
        flex-direction: column;
        align-items: flex-start;
        padding: 5rem var(--space-lg) var(--space-lg);
        box-shadow: var(--shadow-xl);
        transition: right var(--transition-base);
        z-index: 999;
    }
    
    .main-nav.open {
        right: 0;
    }
    
    .nav-list {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-xs);
        width: 100%;
    }
    
    .nav-list a {
        font-size: 1rem;
        padding: 0.625rem 0;
        width: 100%;
    }
    
    .nav-cta {
        margin-top: var(--space-md);
        width: 100%;
        justify-content: center;
    }
    
    .nav-overlay {
        display: none;
        position: fixed;
        inset: 0;
        background-color: rgba(0, 0, 0, 0.4);
        z-index: 998;
    }
    
    .nav-overlay.active {
        display: block;
    }
    
    .hero-title {
        font-size: clamp(1.75rem, 8vw, 2.5rem);
    }
    
    .hero-trust {
        flex-direction: column;
        gap: var(--space-xs);
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .about-image-accent {
        width: 50%;
        bottom: -1.5rem;
        right: -0.5rem;
    }
    
    .about-values {
        grid-template-columns: 1fr;
    }
    
    .materials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .process-steps {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    
    .process-steps::before {
        display: none;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-map {
        min-height: 300px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .materials-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-actions .btn {
        width: 100%;
        justify-content: center;
    }
    
    .cta-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .cta-actions .btn {
        width: 100%;
        justify-content: center;
    }
}