/* Santos Landscaping & Paving - CSS
 * "Quarry & Gold" — Industrial Heritage aesthetic
 * Deep slate charcoal evoking stone and asphalt,
 * warm amber gold speaking to quality craftsmanship.
 *
 * Color Palette:
 * - Slate Charcoal: #2C3E50 (primary)
 * - Deep Slate: #1A252F (primary dark)
 * - Mid Slate: #34495E (primary light)
 * - Amber Gold: #D4A843 (accent)
 * - Deep Gold: #B8912E (accent dark)
 * - Light Gold: #E8C972 (accent light)
 * - Warm Stone: #F8F7F5 (background)
 */

:root {
    --color-primary: #2C3E50;
    --color-primary-dark: #1A252F;
    --color-primary-light: #34495E;
    --color-accent: #D4A843;
    --color-accent-dark: #B8912E;
    --color-accent-light: #E8C972;
    --color-white: #FFFFFF;
    --color-black: #0F1419;
    --color-text: #1a1a1a;
    --color-text-light: #5a6068;
    --color-bg-warm: #F8F7F5;
    --color-bg-stone: #EDEBE8;
    --color-border: #D8D4CF;

    --font-primary: 'Nunito Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-heading: 'DM Serif Display', Georgia, serif;

    --container-width: 1200px;
    --header-height: 80px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-height);
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 400;
    line-height: 1.2;
    color: var(--color-primary-dark);
}

.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* ============================================
   Section Labels & Titles
   ============================================ */
.section-label {
    font-family: var(--font-primary);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-accent-dark);
    margin-bottom: 8px;
}

.section-title {
    font-size: 2.25rem;
    margin-bottom: 12px;
    color: var(--color-primary-dark);
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--color-text-light);
    max-width: 600px;
    margin: 0 auto 48px;
}

.services-section .section-label,
.services-section .section-title,
.services-section .section-subtitle,
.gallery-section .section-label,
.gallery-section .section-title,
.gallery-section .section-subtitle,
.service-area-section .section-label,
.service-area-section .section-title,
.service-area-section .section-subtitle {
    text-align: center;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 3px;
    font-family: var(--font-primary);
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background-color: var(--color-accent-dark);
    border-color: var(--color-accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(212, 168, 67, 0.35);
}

.btn-submit {
    display: block;
    width: 100%;
    background-color: var(--color-accent);
    color: var(--color-primary-dark);
    border: none;
    padding: 16px 32px;
    border-radius: 3px;
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-submit:hover {
    background-color: var(--color-accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(212, 168, 67, 0.35);
}

/* ============================================
   Header
   ============================================ */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: var(--color-primary-dark);
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(15, 20, 25, 0.15);
}

.header-inner {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header-logo a {
    display: flex;
    flex-direction: column;
    line-height: 1;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    color: var(--color-white);
    letter-spacing: 0.01em;
}

.logo-sub {
    font-family: var(--font-primary);
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-accent);
    margin-top: 2px;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.header-phone {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--color-white);
    font-weight: 600;
    font-size: 0.95rem;
    transition: color 0.2s;
}

.header-phone:hover {
    color: var(--color-accent);
}

.phone-icon {
    width: 18px;
    height: 18px;
}

.header-social {
    display: flex;
    align-items: center;
    color: rgba(255, 255, 255, 0.6);
    transition: color 0.2s;
}

.header-social:hover {
    color: var(--color-accent);
}

.social-icon {
    width: 20px;
    height: 20px;
}

.contact-btn {
    padding: 10px 24px;
    font-size: 0.85rem;
}

/* ============================================
   Hero Section
   ============================================ */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-image: url('../images/hero.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    padding-top: var(--header-height);
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        165deg,
        rgba(26, 37, 47, 0.92) 0%,
        rgba(44, 62, 80, 0.80) 40%,
        rgba(26, 37, 47, 0.75) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    padding: 60px 24px;
}

.hero-experience {
    font-family: var(--font-primary);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-accent);
    margin-bottom: 20px;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    color: var(--color-white);
    margin-bottom: 20px;
    line-height: 1.1;
}

.hero-tagline {
    font-size: 1.15rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 36px;
    line-height: 1.6;
}

.hero-ctas {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.btn-hero {
    background-color: var(--color-accent);
    color: var(--color-primary-dark);
    border-color: var(--color-accent);
    padding: 16px 36px;
    font-size: 1rem;
}

.btn-hero:hover {
    background-color: var(--color-accent-dark);
    border-color: var(--color-accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(212, 168, 67, 0.4);
}

.btn-hero-secondary {
    background-color: transparent;
    color: var(--color-white);
    border-color: rgba(255, 255, 255, 0.4);
    padding: 16px 36px;
    font-size: 1rem;
}

.btn-hero-secondary:hover {
    border-color: var(--color-white);
    background-color: rgba(255, 255, 255, 0.08);
    transform: translateY(-2px);
}

.hero-trust {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

.trust-badge {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: rgba(255, 255, 255, 0.6);
    padding: 6px 16px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 2px;
}

/* ============================================
   Services Section
   ============================================ */
.services-section {
    padding: 96px 0;
    background-color: var(--color-white);
}

.services-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.service-category {
    background: var(--color-bg-warm);
    border-radius: 4px;
    padding: 40px 32px;
    border: 1px solid var(--color-border);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-category:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(44, 62, 80, 0.1);
}

.category-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--color-accent);
}

.category-icon {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    color: var(--color-accent-dark);
}

.category-icon svg {
    width: 100%;
    height: 100%;
}

.category-title {
    font-size: 1.5rem;
    color: var(--color-primary-dark);
}

.service-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.service-list li {
    position: relative;
    padding-left: 20px;
    font-size: 0.95rem;
    color: var(--color-text);
    line-height: 1.5;
}

.service-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 9px;
    width: 6px;
    height: 6px;
    background-color: var(--color-accent);
    border-radius: 1px;
    transform: rotate(45deg);
}

/* ============================================
   Gallery Section — Before/After Projects
   ============================================ */
.gallery-section {
    padding: 96px 0;
    background-color: var(--color-bg-warm);
}

.ba-project {
    margin-bottom: 48px;
}

.ba-project:last-child {
    margin-bottom: 0;
}

.ba-project-title {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    color: var(--color-primary-dark);
    margin-bottom: 16px;
    text-align: center;
}

.ba-pair {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.ba-single {
    max-width: 600px;
    margin: 0 auto;
}

.ba-item {
    position: relative;
    border-radius: 4px;
    overflow: hidden;
    background-color: var(--color-bg-stone);
}

.ba-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    aspect-ratio: 4 / 3;
    display: block;
    transition: transform 0.5s ease;
}

.ba-item:hover img {
    transform: scale(1.03);
}

.ba-label {
    position: absolute;
    top: 12px;
    left: 12px;
    font-family: var(--font-primary);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    padding: 5px 14px;
    border-radius: 2px;
    z-index: 1;
}

.ba-label-before {
    background-color: var(--color-primary-dark);
    color: var(--color-white);
}

.ba-label-after {
    background-color: var(--color-accent);
    color: var(--color-primary-dark);
}

/* ============================================
   About Section
   ============================================ */
.about-section {
    padding: 96px 0;
    background-color: var(--color-white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

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

.about-content .section-title {
    text-align: left;
    margin-bottom: 24px;
}

.about-content p {
    color: var(--color-text);
    margin-bottom: 16px;
    line-height: 1.8;
}

.about-motto {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--color-accent-dark);
    margin-top: 24px;
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.stat-item {
    background-color: var(--color-bg-warm);
    border-left: 4px solid var(--color-accent);
    padding: 28px 32px;
    border-radius: 0 4px 4px 0;
}

.stat-number {
    display: block;
    font-family: var(--font-heading);
    font-size: 2.5rem;
    color: var(--color-primary-dark);
    line-height: 1;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-light);
}

/* ============================================
   Service Areas Section
   ============================================ */
.service-area-section {
    padding: 96px 0;
    background-color: var(--color-primary-dark);
}

.service-area-section .section-label {
    color: var(--color-accent);
}

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

.service-area-section .section-subtitle {
    color: rgba(255, 255, 255, 0.6);
}

.service-area-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    max-width: 800px;
    margin: 0 auto;
}

.service-area-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.95rem;
    font-weight: 500;
    padding: 12px 16px;
    border-radius: 3px;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    transition: background-color 0.2s;
}

.service-area-item:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.area-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    color: var(--color-accent);
}

/* ============================================
   Contact Section
   ============================================ */
.contact-section {
    padding: 96px 0;
    background-color: var(--color-bg-warm);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
}

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

.contact-title {
    font-size: 2.25rem;
    margin-bottom: 12px;
}

.contact-subtitle {
    color: var(--color-text-light);
    margin-bottom: 36px;
    font-size: 1.05rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
}

.contact-info-icon {
    width: 22px;
    height: 22px;
    flex-shrink: 0;
    margin-top: 2px;
    color: var(--color-accent-dark);
}

.contact-info-item strong {
    display: block;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-primary-dark);
    margin-bottom: 2px;
}

.contact-info-item a,
.contact-info-item span {
    font-size: 0.95rem;
    color: var(--color-text);
    display: block;
}

.contact-info-item a:hover {
    color: var(--color-accent-dark);
}

/* Contact Form */
.contact-form-wrapper {
    background-color: var(--color-white);
    border-radius: 4px;
    padding: 40px;
    border: 1px solid var(--color-border);
    box-shadow: 0 4px 16px rgba(44, 62, 80, 0.06);
}

.contact-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

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

.form-group-full {
    grid-column: 1 / -1;
}

.form-group label {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-primary-dark);
    margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
    font-family: var(--font-primary);
    font-size: 0.95rem;
    padding: 12px 16px;
    border: 1px solid var(--color-border);
    border-radius: 3px;
    background-color: var(--color-bg-warm);
    color: var(--color-text);
    transition: border-color 0.2s, box-shadow 0.2s;
    width: 100%;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(212, 168, 67, 0.15);
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%235a6068' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 36px;
}

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

.form-group.has-error input,
.form-group.has-error textarea,
.form-group.has-error select {
    border-color: #c0392b;
}

.field-error {
    font-size: 0.8rem;
    color: #c0392b;
    margin-top: 4px;
}

.form-errors {
    grid-column: 1 / -1;
    background: #fdf0ef;
    border: 1px solid #f5c6cb;
    border-radius: 3px;
    padding: 12px 16px;
}

.form-errors .error {
    color: #c0392b;
    font-size: 0.9rem;
}

.contact-form .btn-submit {
    grid-column: 1 / -1;
    margin-top: 8px;
}

/* Success State */
.contact-success {
    background-color: var(--color-white);
    border-radius: 4px;
    padding: 60px 40px;
    border: 1px solid var(--color-border);
    text-align: center;
}

.success-message .success-icon {
    width: 64px;
    height: 64px;
    background-color: var(--color-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
}

.success-icon svg {
    width: 32px;
    height: 32px;
    color: var(--color-primary-dark);
}

.success-message h3 {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    color: var(--color-primary-dark);
    margin-bottom: 12px;
}

.success-message p {
    color: var(--color-text);
    font-size: 1rem;
    line-height: 1.6;
}

.success-submessage {
    color: var(--color-text-light);
    font-size: 0.9rem;
    margin-top: 8px;
}

/* ============================================
   Footer
   ============================================ */
.site-footer {
    background-color: var(--color-black);
    padding: 48px 0 24px;
    text-align: center;
}

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

.footer-tagline {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    color: var(--color-accent);
    margin-bottom: 8px;
}

.footer-location {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
    margin-bottom: 16px;
}

.footer-contact {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 32px;
}

.footer-contact a {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    transition: color 0.2s;
}

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

.footer-contact .separator {
    color: rgba(255, 255, 255, 0.25);
}

.footer-social {
    margin-top: 20px;
}

.footer-social-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
    transition: color 0.2s;
}

.footer-social-link:hover {
    color: var(--color-accent);
}

.footer-social-link svg {
    width: 20px;
    height: 20px;
}

.footer-copyright {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.35);
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-copyright a {
    color: rgba(255, 255, 255, 0.5);
    transition: color 0.2s;
}

.footer-copyright a:hover {
    color: var(--color-accent);
}

/* ============================================
   Floating Call Button (Mobile)
   ============================================ */
.floating-call-btn {
    display: none;
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 999;
    background-color: var(--color-accent);
    color: var(--color-primary-dark);
    padding: 14px 20px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.85rem;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 16px rgba(212, 168, 67, 0.4);
    animation: float-pulse 3s ease-in-out infinite;
}

.floating-call-btn svg {
    width: 20px;
    height: 20px;
}

@keyframes float-pulse {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-4px); }
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 2.75rem;
    }

    .about-grid {
        gap: 48px;
    }

    .contact-grid {
        gap: 48px;
    }

    .service-area-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .header-phone span {
        display: none;
    }

    .contact-btn {
        padding: 8px 16px;
        font-size: 0.8rem;
    }

    .hero-section {
        min-height: 85vh;
    }

    .hero-title {
        font-size: 2.25rem;
    }

    .hero-tagline {
        font-size: 1rem;
    }

    .section-title {
        font-size: 1.85rem;
    }

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

    .ba-pair {
        gap: 12px;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-stats {
        flex-direction: row;
        flex-wrap: wrap;
    }

    .stat-item {
        flex: 1;
        min-width: 140px;
    }

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

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

    .contact-form-wrapper {
        padding: 28px;
    }

    .floating-call-btn {
        display: flex;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.85rem;
    }

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

    .btn-hero,
    .btn-hero-secondary {
        width: 100%;
        max-width: 280px;
    }

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

    .section-title {
        font-size: 1.6rem;
    }

    .ba-pair {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .ba-project {
        margin-bottom: 36px;
    }

    .about-stats {
        flex-direction: column;
    }

    .stat-item {
        min-width: unset;
    }

    .stat-number {
        font-size: 2rem;
    }

    .service-area-grid {
        grid-template-columns: 1fr;
    }

    .footer-contact {
        flex-direction: column;
        gap: 4px;
    }

    .footer-contact .separator {
        display: none;
    }
}