/* ========================================
   CLARK IRON ERECTORS - COMMERCIAL HOMEPAGE
   GC-First Positioning | Hero Background Treatment
   ======================================== */

/* === RESET & BASE === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Brand Colors */
    --primary-color: #c8102e;
    --primary-dark: #9a0c23;
    --secondary-color: #1a1a1a;
    --accent-color: #f5a623;

    /* Neutrals */
    --white: #ffffff;
    --light-gray: #f4f4f4;
    --medium-gray: #666666;
    --dark-gray: #333333;
    --black: #1a1a1a;

    /* Spacing */
    --container-max: 1200px;
    --section-padding: 80px 0;
    --mobile-padding: 40px 0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--dark-gray);
    background: var(--white);
}

/* === SKIP TO CONTENT (Accessibility) === */
.skip-to-content {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary-color);
    color: var(--white);
    padding: 8px 16px;
    text-decoration: none;
    font-weight: 600;
    z-index: 1000;
    transition: top 0.3s;
}

.skip-to-content:focus {
    top: 0;
}

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

/* === HEADER === */
.site-header {
    background: var(--white);
    border-bottom: 1px solid #e5e5e5;
    padding: 16px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 32px;
}

.logo-text {
    font-size: 20px;
    font-weight: 700;
    color: var(--secondary-color);
    letter-spacing: -0.5px;
}

.logo {
    flex-shrink: 0;
}

.logo a {
    display: block;
}

.logo-img {
    height: 115px;
    max-height: 115px;
    width: auto;
    max-width: 400px;
    display: block;
    object-fit: contain;
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: 32px;
}

.main-nav a {
    text-decoration: none;
    color: var(--dark-gray);
    font-weight: 500;
    font-size: 15px;
    transition: color 0.2s;
}

.main-nav a:hover {
    color: var(--primary-color);
}

.main-nav a:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 4px;
    border-radius: 2px;
}

.header-contact {
    display: flex;
    align-items: center;
    gap: 16px;
}

.phone-link {
    font-weight: 600;
    color: var(--primary-color);
    text-decoration: none;
    font-size: 16px;
}

.phone-link:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 4px;
    border-radius: 2px;
}

.location {
    color: var(--medium-gray);
    font-size: 14px;
}

/* === SECTION 1: HERO === */
/* CRITICAL: This is where the crane/precast background image goes */
.hero {
    position: relative;
    min-height: 75vh;
    display: flex;
    align-items: center;
    background-image: url('../images/crane-precast-hero.webp');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment : scroll;
}

/* Dark gradient overlay for text legibility (left-weighted) */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        90deg,
        rgba(0, 0, 0, 0.85) 0%,
        rgba(0, 0, 0, 0.65) 35%,
        rgba(0, 0, 0, 0.35) 65%,
        rgba(0, 0, 0, 0.15) 85%,
        rgba(0, 0, 0, 0) 100%
    );
    z-index: 1;
}

.hero .container {
    position: relative;
    z-index: 2;
}

.hero-content {
    max-width: 720px;
    padding: 64px 0;
}

.hero h1 {
    font-size: 52px;
    font-weight: 800;
    color: var(--white);
    line-height: 1.15;
    margin-bottom: 24px;
    letter-spacing: -1px;
}

.hero-subheadline {
    font-size: 20px;
    color: var(--white);
    line-height: 1.5;
    margin-bottom: 32px;
    opacity: 0.95;
}

.hero-bullets {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 40px;
}

.bullet-item {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--white);
    font-size: 16px;
}

.check-icon {
    background: var(--primary-color);
    color: var(--white);
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-weight: 700;
    font-size: 14px;
}

.hero-ctas {
    display: flex;
    gap: 16px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.hero-microline {
    font-size: 14px;
    color: var(--white);
    opacity: 0.8;
}

/* === BUTTONS === */
.btn {
    display: inline-block;
    padding: 16px 32px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.3s;
    text-align: center;
    border: 2px solid transparent;
    cursor: pointer;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(200, 16, 46, 0.3);
}

.btn-primary:focus {
    outline: 3px solid var(--accent-color);
    outline-offset: 3px;
}

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

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

.btn-secondary:focus {
    outline: 3px solid var(--accent-color);
    outline-offset: 3px;
}

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

.btn-outline:hover {
    background: var(--primary-color);
    color: var(--white);
}

.btn-outline:focus {
    outline: 3px solid var(--primary-color);
    outline-offset: 3px;
}

/* === SECTION 2: TRUST STRIP === */
.trust-strip {
    background: var(--secondary-color);
    padding: 48px 0;
}

.trust-header {
    text-align: center;
    color: var(--white);
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 32px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.trust-chips {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
    max-width: 1000px;
    margin: 0 auto;
}

.chip {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 24px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.chip-icon {
    font-size: 24px;
    flex-shrink: 0;
}

.chip-text {
    color: var(--white);
    font-weight: 500;
    font-size: 15px;
}

/* === SECTION 3: SERVICES === */
.services {
    padding: var(--section-padding);
    background: var(--white);
}

.services h2 {
    font-size: 42px;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 16px;
    text-align: center;
}

.section-intro {
    text-align: center;
    font-size: 18px;
    color: var(--medium-gray);
    max-width: 700px;
    margin: 0 auto 48px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.service-card {
    padding: 32px;
    background: var(--light-gray);
    border-radius: 8px;
    border-left: 4px solid var(--primary-color);
    transition: all 0.3s;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
}

.service-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 12px;
}

.service-card p {
    font-size: 15px;
    color: var(--dark-gray);
    line-height: 1.6;
}

/* === SECTION 4: FOR GENERAL CONTRACTORS === */
.for-gcs {
    padding: var(--section-padding);
    background: var(--light-gray);
}

.for-gcs h2 {
    font-size: 42px;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 16px;
    text-align: center;
}

.gc-subhead {
    text-align: center;
    font-size: 20px;
    color: var(--dark-gray);
    max-width: 800px;
    margin: 0 auto 48px;
    font-weight: 500;
}

.gc-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 48px;
    margin-bottom: 48px;
}

.gc-column h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 16px;
}

.column-header {
    font-size: 16px;
    font-weight: 600;
    color: var(--secondary-color);
    margin-bottom: 16px;
}

.gc-list {
    list-style: none;
    padding: 0;
}

.gc-list li {
    padding: 12px 0;
    padding-left: 32px;
    position: relative;
    font-size: 15px;
    color: var(--dark-gray);
    border-bottom: 1px solid #e5e5e5;
}

.gc-list li:last-child {
    border-bottom: none;
}

.gc-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: 700;
}

.gc-closer {
    background: var(--secondary-color);
    color: var(--white);
    padding: 32px;
    border-radius: 8px;
    text-align: center;
}

.gc-closer p {
    font-size: 18px;
    font-weight: 600;
    margin: 0;
}

/* === SECTION 5: PROJECT TYPES === */
.project-types {
    padding: var(--section-padding);
    background: var(--white);
}

.project-types h2 {
    font-size: 42px;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 48px;
    text-align: center;
}

.project-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
    max-width: 900px;
    margin: 0 auto;
}

.project-item {
    display: flex;
    align-items: flex-start;
    gap: 24px;
    padding: 24px;
    background: var(--light-gray);
    border-radius: 8px;
    transition: all 0.3s;
}

.project-item:hover {
    background: var(--white);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.project-icon {
    font-size: 40px;
    flex-shrink: 0;
}

.project-info h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 8px;
}

.project-info p {
    font-size: 15px;
    color: var(--medium-gray);
}

/* === SECTION 6: SOCIAL PROOF === */
.social-proof {
    padding: var(--section-padding);
    background: var(--light-gray);
    text-align: center;
}

.social-proof h2 {
    font-size: 42px;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 16px;
}

.proof-intro {
    font-size: 18px;
    color: var(--dark-gray);
    margin-bottom: 32px;
}

/* === SECTION 7: FINAL CTA === */
.final-cta {
    padding: 80px 0;
    background: var(--secondary-color);
    text-align: center;
}

.final-cta h2 {
    font-size: 48px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 16px;
}

.cta-copy {
    font-size: 20px;
    color: var(--white);
    margin-bottom: 40px;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.cta-reassurance {
    font-size: 16px;
    color: var(--white);
    opacity: 0.8;
}

/* === FOOTER === */
.site-footer {
    background: var(--black);
    color: var(--white);
    padding: 48px 0 24px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 32px;
    margin-bottom: 32px;
}

.footer-col h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--white);
}

.footer-col p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 8px;
}

.footer-col a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.2s;
}

.footer-col a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 16px;
    }

    .main-nav ul {
        flex-wrap: wrap;
        justify-content: center;
        gap: 16px;
    }

    .hero {
        min-height: 60vh;
        background-attachment: scroll;
    }

    .hero h1 {
        font-size: 36px;
    }

    .hero-subheadline {
        font-size: 18px;
    }

    .hero-ctas {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .services h2,
    .for-gcs h2,
    .project-types h2,
    .social-proof h2 {
        font-size: 32px;
    }

    .final-cta h2 {
        font-size: 36px;
    }

    .gc-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .trust-chips {
        grid-template-columns: 1fr;
    }

    .project-item {
        flex-direction: column;
    }

    .cta-buttons {
        flex-direction: column;
    }
}