/* Core layout */
:root {
    --color-primary: #0b3c5d;
    --color-secondary: #d94c35;
    --color-accent: #1f7a8c;
    --color-light: #f5f7fa;
    --color-dark: #1a1f24;
    --color-muted: #6c7a89;
    --container-width: min(1120px, 92vw);
    font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
    color: var(--color-dark);
}

body {
    margin: 0;
    background: var(--color-light);
    line-height: 1.6;
}

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

a:hover,
a:focus {
    color: var(--color-secondary);
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

.container {
    width: var(--container-width);
    margin: 0 auto;
}

/* Header */
.site-header {
    background: #fff;
    border-bottom: 1px solid rgba(0, 0, 0, 0.07);
    position: sticky;
    top: 0;
    z-index: 10;
}

.header-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.brand-logo {
    width: 175px;
    height: auto;
}

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

.brand-name {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.brand-tagline {
    font-size: 0.85rem;
    color: var(--color-muted);
}

.main-nav ul {
    display: flex;
    gap: 1rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.main-nav a {
    padding: 0.5rem 0.75rem;
    border-radius: 999px;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.main-nav a:hover,
.main-nav a:focus,
.main-nav a[aria-current="page"] {
    background: var(--color-primary);
    color: #fff;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 0.3rem;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-toggle-bar {
    width: 24px;
    height: 3px;
    background: var(--color-dark);
    border-radius: 2px;
}

/* Hero */
.hero {
    background: linear-gradient(135deg, rgba(11, 60, 93, 0.95), rgba(31, 122, 140, 0.85)), url(/assets/img/slider.png);
    color: #fff;
    padding: 6rem 0;
    text-align: center;
    position: relative;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    background-attachment: fixed;
}

.hero h1 {
    font-size: clamp(2.2rem, 5vw, 3.4rem);
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.1rem;
    max-width: 720px;
    margin: 0 auto 1.5rem;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    padding: 0.75rem 1.75rem;
    border-radius: 999px;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: var(--color-secondary);
    color: #fff;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.45);
}

.btn:hover,
.btn:focus {
    transform: translateY(-2px);
    box-shadow: 0 8px 18px rgba(0, 0, 0, 0.15);
}

/* Sections */
.section {
    padding: clamp(3rem, 6vw, 5rem) 0;
    background: #fff;
}

.section.alt {
    background: var(--color-light);
}

.section h2 {
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    margin-bottom: 1.5rem;
    text-align: center;
}

.section p.section-intro {
    max-width: 720px;
    margin: 0 auto 2.5rem;
    color: var(--color-muted);
    text-align: center;
}

.division-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.75rem;
}

.card {
    background: #fff;
    border-radius: 16px;
    padding: 1.75rem;
    box-shadow: 0 18px 44px rgba(15, 35, 44, 0.08);
    display: flex;
    flex-direction: column;
    gap: 1rem;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.card:hover,
.card:focus-within {
    transform: translateY(-6px);
    box-shadow: 0 22px 50px rgba(11, 60, 93, 0.16);
}

.card h3 {
    font-size: 1.35rem;
    margin: 0;
    color: var(--color-primary);
}

.card p {
    color: var(--color-muted);
    margin: 0;
}

.card .btn-link {
    margin-top: auto;
    color: var(--color-primary);
    font-weight: 600;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
}

.feature {
    background: #fff;
    border-left: 4px solid var(--color-secondary);
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(11, 60, 93, 0.08);
}

.media-placeholder {
    aspect-ratio: 16 / 9;
    background: repeating-linear-gradient(45deg, rgba(11, 60, 93, 0.08), rgba(11, 60, 93, 0.08) 12px, rgba(217, 76, 53, 0.12) 12px, rgba(217, 76, 53, 0.12) 24px);
    border-radius: 12px;
    position: relative;
    overflow: hidden;
    display: grid;
    place-items: center;
    color: rgba(27, 44, 56, 0.75);
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.08em;
}

.media-placeholder::after {
    content: attr(data-label);
    text-align: center;
    padding: 0 1rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1.5rem;
    margin-top: 2.5rem;
}

.stat {
    background: #fff;
    padding: 1.5rem;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
}

.stat span {
    display: block;
}

.stat-value {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--color-secondary);
}

.stat-label {
    color: var(--color-muted);
    font-size: 0.95rem;
}

.contact-panel {
    display: grid;
    gap: 2rem;
}

.contact-card {
    background: #fff;
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 16px 36px rgba(11, 60, 93, 0.12);
}

.contact-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 0.5rem;
}

.contact-list li {
    display: flex;
    gap: 0.5rem;
}

.contact-list strong {
    color: var(--color-primary);
    min-width: 84px;
}

.cta-banner {
    background: linear-gradient(120deg, var(--color-primary), var(--color-secondary));
    border-radius: 18px;
    color: #fff;
    padding: clamp(2.5rem, 4vw, 3.5rem);
    display: grid;
    gap: 1rem;
    text-align: center;
    box-shadow: 0 18px 42px rgba(11, 60, 93, 0.2);
}

.cta-banner p {
    margin: 0 auto;
    max-width: 680px;
}

/* Footer */
.site-footer {
    background: #111820;
    color: #d7dee5;
    padding-top: 3rem;
}

.footer-grid {
    display: grid;
    gap: 2rem;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    align-items: start;
}

.footer-grid h2,
.footer-grid h3 {
    color: #fff;
    margin-top: 0;
}

.footer-bottom {
    background: rgba(0, 0, 0, 0.2);
    margin-top: 2.5rem;
    padding: 1rem 0;
    text-align: center;
    font-size: 0.85rem;
}

.footer-bottom small {
    color: #9ea9b6;
}

/* Division hero */
.division-hero {
    background: linear-gradient(135deg, rgba(11, 60, 93, 0.96), rgba(217, 76, 53, 0.85)), url(/assets/img/division_construccion_gabotti.png);
    color: #fff;
    padding: 5rem 0 3.5rem;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.division-hero h1 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 0.75rem;
}

.division-nav {
    margin-top: 1.5rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.division-nav a {
    background: rgba(255, 255, 255, 0.12);
    border-radius: 999px;
    padding: 0.35rem 0.85rem;
    font-size: 0.85rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.division-section {
    padding: clamp(3rem, 6vw, 4.5rem) 0;
}

.division-section.alt {
    background: var(--color-light);
}

.division-section h2 {
    color: var(--color-primary);
    margin-bottom: 1rem;
}

.division-section p {
    color: var(--color-muted);
    max-width: 800px;
}

.division-details {
    display: grid;
    gap: 2rem;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    align-items: stretch;
}

.steps {
    counter-reset: step;
    display: grid;
    gap: 1.25rem;
}

.step {
    background: #fff;
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow: 0 12px 30px rgba(17, 49, 64, 0.12);
}

.step h3 {
    margin-top: 0;
    position: relative;
    padding-left: 2.5rem;
}

.step h3::before {
    counter-increment: step;
    content: counter(step, decimal-leading-zero);
    position: absolute;
    left: 0;
    top: 0;
    background: var(--color-secondary);
    color: #fff;
    font-size: 0.85rem;
    font-weight: 700;
    border-radius: 999px;
    padding: 0.4rem 0.65rem;
}

.testimonial {
    background: #fff;
    border-left: 4px solid var(--color-accent);
    border-radius: 16px;
    padding: 1.75rem;
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.12);
}

.testimonial cite {
    display: block;
    margin-top: 1rem;
    font-style: normal;
    font-weight: 600;
    color: var(--color-primary);
}

.contact-form {
    display: grid;
    gap: 1rem;
}

.contact-form label {
    font-size: 0.95rem;
    display: grid;
    gap: 0.35rem;
    color: var(--color-primary);
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    border: 1px solid rgba(11, 60, 93, 0.18);
    border-radius: 12px;
    padding: 0.75rem 1rem;
    font: inherit;
    color: var(--color-dark);
    background: #fff;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 3px rgba(217, 76, 53, 0.18);
}

.contact-form button {
    justify-self: start;
}

@media (max-width: 768px) {
    .hero,
    .division-hero {
        background-attachment: scroll;
    }
}

/* Responsive */
@media (max-width: 860px) {
    .nav-toggle {
        display: flex;
    }

    .main-nav {
        position: absolute;
        top: 100%;
        right: 1rem;
        background: #fff;
        border-radius: 16px;
        box-shadow: 0 16px 36px rgba(11, 60, 93, 0.12);
        padding: 1rem 1.25rem;
        display: none;
    }

    .main-nav.open {
        display: block;
    }

    .main-nav ul {
        flex-direction: column;
        gap: 0.75rem;
    }
}

@media (max-width: 600px) {
    .header-top {
        flex-wrap: wrap;
        gap: 1rem;
    }

    .brand {
        width: 100%;
    }
}