/* ============================================
   Paulding Precast Products — Stylesheet
   Palette: Plum (#4A2C5A) + Amber (#D4A04A)
   Fonts: Playfair Display + Inter
   ============================================ */

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

:root {
    --color-plum: #4A2C5A;
    --color-plum-dark: #351F44;
    --color-plum-light: #6B4070;
    --color-plum-50: #F5F0F7;
    --color-plum-100: #EDE4F0;
    --color-plum-200: #DDD0E4;
    --color-amber: #D4A04A;
    --color-amber-dark: #B8862E;
    --color-amber-light: #E8C48A;
    --color-amber-50: #FDF8EF;
    --color-bg-warm: #FAF8F5;
    --color-bg-white: #FFFFFF;
    --color-text-dark: #1A1420;
    --color-text-body: #3D3042;
    --color-text-muted: #7A6B80;
    --color-text-light: #F5F0F7;
    --color-line: #E8E0EC;
    --color-overlay: rgba(42, 24, 52, 0.65);

    --font-serif: 'Playfair Display', Georgia, serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    --space-xs: 0.5rem;
    --space-sm: 0.75rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;

    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;

    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: var(--font-sans);
    font-weight: 300;
    line-height: 1.7;
    color: var(--color-text-body);
    background-color: var(--color-bg-warm);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

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

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

a:hover {
    color: var(--color-plum);
}

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

/* --- Navigation --- */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(250, 248, 245, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-line);
    transition: background var(--transition), box-shadow var(--transition);
}

.nav.scrolled {
    background: rgba(250, 248, 245, 0.97);
    box-shadow: 0 1px 20px rgba(74, 44, 90, 0.06);
}

.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    text-decoration: none;
    color: var(--color-plum);
}

.nav-logo-mark {
    width: 36px;
    height: 36px;
    background: var(--color-plum);
    color: var(--color-amber);
    font-family: var(--font-serif);
    font-size: 1.1rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
}

.nav-logo-text {
    font-family: var(--font-serif);
    font-size: 1.05rem;
    font-weight: 500;
    letter-spacing: -0.01em;
}

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

.nav-links a {
    font-size: 0.85rem;
    font-weight: 400;
    color: var(--color-text-body);
    letter-spacing: 0.02em;
    text-transform: uppercase;
    position: relative;
    padding-bottom: 2px;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-amber);
    transition: width var(--transition);
}

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

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

.nav-cta {
    background: var(--color-plum) !important;
    color: var(--color-text-light) !important;
    padding: 0.55rem 1.2rem;
    border-radius: var(--radius-sm);
    font-size: 0.82rem !important;
    letter-spacing: 0.03em !important;
    transition: background var(--transition), transform var(--transition) !important;
}

.nav-cta::after {
    display: none !important;
}

.nav-cta:hover {
    background: var(--color-plum-dark) !important;
    color: var(--color-text-light) !important;
    transform: translateY(-1px);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-plum);
    padding: var(--space-xs);
}

/* --- Mobile Menu --- */
.mobile-menu {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(250, 248, 245, 0.98);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    z-index: 999;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-xl);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition);
}

.mobile-menu.open {
    opacity: 1;
    pointer-events: all;
}

.mobile-menu a {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    color: var(--color-text-dark);
    text-decoration: none;
    transition: color var(--transition);
}

.mobile-menu a:hover {
    color: var(--color-plum);
}

.mobile-cta {
    margin-top: var(--space-md);
    background: var(--color-plum);
    color: var(--color-text-light) !important;
    padding: 0.75rem 2rem;
    border-radius: var(--radius-sm);
    font-family: var(--font-sans) !important;
    font-size: 0.95rem !important;
    letter-spacing: 0.03em;
    text-transform: uppercase;
}

/* --- Hero --- */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

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

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

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(42, 24, 52, 0.82) 0%,
        rgba(74, 44, 90, 0.68) 50%,
        rgba(53, 31, 68, 0.78) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 780px;
    padding: 0 var(--space-xl);
}

.hero-eyebrow {
    font-family: var(--font-sans);
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-amber-light);
    margin-bottom: var(--space-lg);
}

.hero-headline {
    font-family: var(--font-serif);
    font-size: clamp(2.2rem, 5vw, 3.8rem);
    font-weight: 400;
    line-height: 1.15;
    color: #FFFFFF;
    margin-bottom: var(--space-xl);
    letter-spacing: -0.01em;
}

.hero-headline em {
    font-style: italic;
    color: var(--color-amber-light);
}

.hero-sub {
    font-size: 1.05rem;
    font-weight: 300;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
    margin-bottom: var(--space-2xl);
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
}

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

.hero-scroll {
    position: absolute;
    bottom: var(--space-2xl);
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
    color: rgba(255, 255, 255, 0.5);
    animation: scrollBounce 2s ease-in-out infinite;
}

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

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    font-family: var(--font-sans);
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 0.85rem 2rem;
    border-radius: var(--radius-sm);
    border: 1.5px solid transparent;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
}

.btn-primary {
    background: var(--color-amber);
    color: var(--color-plum-dark);
    border-color: var(--color-amber);
}

.btn-primary:hover {
    background: var(--color-amber-dark);
    border-color: var(--color-amber-dark);
    color: var(--color-text-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(212, 160, 74, 0.3);
}

.btn-outline-light {
    background: transparent;
    color: #FFFFFF;
    border-color: rgba(255, 255, 255, 0.4);
}

.btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: #FFFFFF;
    color: #FFFFFF;
    transform: translateY(-2px);
}

.btn-full {
    width: 100%;
}

.btn-lg {
    padding: 1rem 2.5rem;
    font-size: 0.9rem;
}

/* --- Section Divider --- */
.section-divider {
    background: var(--color-bg-warm);
    overflow: hidden;
}

/* --- Section Shared --- */
.section {
    padding: var(--space-4xl) 0;
}

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

.section-label {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-amber-dark);
    margin-bottom: var(--space-md);
}

.section-title {
    font-family: var(--font-serif);
    font-size: clamp(1.8rem, 3.5vw, 2.8rem);
    font-weight: 400;
    color: var(--color-text-dark);
    line-height: 1.2;
    letter-spacing: -0.01em;
    margin-bottom: var(--space-lg);
}

.section-line {
    width: 48px;
    height: 1.5px;
    background: var(--color-amber);
    margin: 0 auto;
}

/* --- Services --- */
.services {
    background: var(--color-bg-warm);
}

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

.service-card {
    background: var(--color-bg-white);
    border: 1px solid var(--color-line);
    border-radius: var(--radius-md);
    padding: var(--space-2xl);
    transition: all var(--transition);
}

.service-card:hover {
    border-color: var(--color-plum-200);
    box-shadow: 0 12px 40px rgba(74, 44, 90, 0.08);
    transform: translateY(-4px);
}

.service-icon {
    width: 52px;
    height: 52px;
    background: var(--color-plum-50);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-plum);
    margin-bottom: var(--space-lg);
    transition: all var(--transition);
}

.service-card:hover .service-icon {
    background: var(--color-plum);
    color: var(--color-amber);
}

.service-card h3 {
    font-family: var(--font-serif);
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--color-text-dark);
    margin-bottom: var(--space-sm);
}

.service-card p {
    font-size: 0.92rem;
    color: var(--color-text-muted);
    line-height: 1.7;
}

/* --- About --- */
.about {
    background: var(--color-bg-white);
}

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

.about-image {
    border-radius: var(--radius-md);
    overflow: hidden;
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    aspect-ratio: 4/5;
}

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

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

.about-content .section-line {
    margin: 0;
}

.about-text {
    font-size: 0.95rem;
    color: var(--color-text-body);
    line-height: 1.85;
    margin-bottom: var(--space-lg);
}

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

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

.stat-number {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    font-weight: 500;
    color: var(--color-plum);
}

.stat-label {
    font-size: 0.78rem;
    color: var(--color-text-muted);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--color-line);
}

/* --- Gallery --- */
.gallery {
    background: var(--color-bg-warm);
}

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

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

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    aspect-ratio: 4/3;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.gallery-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--space-xl) var(--space-lg) var(--space-lg);
    background: linear-gradient(transparent, rgba(42, 24, 52, 0.8));
    color: #FFFFFF;
    font-family: var(--font-serif);
    font-size: 1rem;
    font-weight: 400;
    opacity: 0;
    transform: translateY(8px);
    transition: all var(--transition);
}

.gallery-item:hover .gallery-caption {
    opacity: 1;
    transform: translateY(0);
}

/* --- CTA Band --- */
.cta-band {
    background: var(--color-plum);
    padding: var(--space-4xl) 0;
}

.cta-band-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2xl);
    flex-wrap: wrap;
}

.cta-band-text h2 {
    font-family: var(--font-serif);
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    font-weight: 400;
    color: #FFFFFF;
    margin-bottom: var(--space-sm);
}

.cta-band-text p {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
}

.cta-band-actions {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

/* --- Contact --- */
.contact {
    background: var(--color-bg-white);
}

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

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

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

.contact-info .section-line {
    margin: 0;
}

.contact-desc {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    line-height: 1.8;
    margin-bottom: var(--space-2xl);
    margin-top: var(--space-lg);
}

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

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

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

.contact-item span,
.contact-item a {
    display: block;
    font-size: 0.9rem;
    color: var(--color-text-body);
    line-height: 1.6;
}

.contact-item .contact-label {
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-bottom: 4px;
}

.contact-item a:hover {
    color: var(--color-plum);
}

/* --- Contact Form --- */
.contact-form-wrap {
    background: var(--color-bg-warm);
    border: 1px solid var(--color-line);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
}

.form-title {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    font-weight: 400;
    color: var(--color-text-dark);
    margin-bottom: var(--space-2xl);
}

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

.form-group label {
    display: block;
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-bottom: var(--space-sm);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 300;
    color: var(--color-text-dark);
    background: var(--color-bg-white);
    border: 1px solid var(--color-line);
    border-radius: var(--radius-sm);
    outline: none;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-plum);
    box-shadow: 0 0 0 3px rgba(74, 44, 90, 0.08);
}

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

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

.form-success {
    display: none;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-lg);
    background: var(--color-plum-50);
    border: 1px solid var(--color-plum-200);
    border-radius: var(--radius-sm);
    color: var(--color-plum);
    font-size: 0.9rem;
    margin-top: var(--space-lg);
}

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

.form-success svg {
    flex-shrink: 0;
    color: var(--color-amber-dark);
}

/* --- Map --- */
.map-section {
    border-top: 1px solid var(--color-line);
}

.map-section iframe {
    filter: grayscale(0.4) contrast(1.05);
}

/* --- Footer --- */
.footer {
    background: var(--color-plum-dark);
    color: rgba(255, 255, 255, 0.7);
    padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--space-3xl);
    margin-bottom: var(--space-3xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    text-decoration: none;
    color: #FFFFFF;
    margin-bottom: var(--space-md);
}

.footer-logo-mark {
    width: 32px;
    height: 32px;
    background: var(--color-amber);
    color: var(--color-plum-dark);
    font-family: var(--font-serif);
    font-size: 1rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
}

.footer-tagline {
    font-size: 0.88rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.55);
    max-width: 280px;
}

.footer h4 {
    font-family: var(--font-sans);
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-amber-light);
    margin-bottom: var(--space-lg);
}

.footer ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer ul a {
    font-size: 0.88rem;
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    transition: color var(--transition);
}

.footer ul a:hover {
    color: #FFFFFF;
}

.footer p {
    font-size: 0.88rem;
    line-height: 1.7;
    margin-bottom: var(--space-sm);
}

.footer a {
    color: rgba(255, 255, 255, 0.6);
}

.footer a:hover {
    color: var(--color-amber-light);
}

.footer-bottom {
    padding-top: var(--space-2xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.footer-bottom p {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.4);
    margin: 0;
}

/* --- Scroll Reveal (progressive enhancement) --- */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .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; }
    .reveal-delay-5 { transition-delay: 0.5s; }
    .reveal-delay-6 { transition-delay: 0.6s; }
}

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

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

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .nav-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .hero-headline {
        font-size: clamp(1.8rem, 7vw, 2.6rem);
    }

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

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

    .about-image {
        max-height: 400px;
    }

    .about-content .section-label,
    .about-content .section-title {
        text-align: center;
    }

    .about-content .section-line {
        margin: 0 auto;
    }

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

    .about-stats {
        justify-content: center;
    }

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

    .cta-band-inner {
        flex-direction: column;
        text-align: center;
    }

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

    .contact-info .section-label,
    .contact-info .section-title {
        text-align: center;
    }

    .contact-info .section-line {
        margin: 0 auto;
    }

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

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

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

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

    .hero-actions {
        flex-direction: column;
        width: 100%;
    }

    .hero-actions .btn {
        width: 100%;
    }

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

    .cta-band-actions {
        flex-direction: column;
        width: 100%;
    }

    .cta-band-actions .btn {
        width: 100%;
    }

    .about-stats {
        flex-direction: column;
        align-items: center;
        gap: var(--space-lg);
    }

    .stat-divider {
        width: 40px;
        height: 1px;
    }
}