:root {
    --color-primary: #0d47a1;
    --color-accent: #ff6f00;
    --color-support: #2e7d32;
    --color-bg: #ffffff;
    --color-bg-alt: #f5f6fa;
    --color-text: #212121;
    --color-muted: #4a4a4a;
    --color-border: #dce5f5;
    --color-light: #ffffff;
    --radius: 12px;
    --shadow: 0 8px 24px rgba(13, 71, 161, 0.1);
}

body.theme-dark {
    --color-primary: #071f46;
    --color-accent: #ff8a34;
    --color-support: #45b169;
    --color-bg: #0b1220;
    --color-bg-alt: #101a2d;
    --color-text: #f2f6ff;
    --color-muted: #c9d4ea;
    --color-border: #2b3f62;
    --shadow: 0 10px 26px rgba(0, 0, 0, 0.34);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-snap-type: y mandatory;
    scroll-padding-top: 76px;
}

body {
    margin: 0;
    font-family: "Open Sans", sans-serif;
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.6;
}

h1,
h2,
h3,
.logo,
.btn {
    font-family: "Montserrat", sans-serif;
}

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

.container {
    width: min(1120px, 92%);
    margin: 0 auto;
}

.section {
    padding: 4rem 0;
    min-height: 100vh;
    scroll-snap-align: start;
    scroll-snap-stop: always;
}

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

.section-header {
    margin-bottom: 1.8rem;
}

.section-header h2 {
    margin: 0 0 0.5rem;
    color: var(--color-primary);
    font-size: clamp(1.5rem, 2.8vw, 2.15rem);
}

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

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: #000000;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.14);
}

.nav-wrap {
    min-height: 74px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.logo {
    color: var(--color-light);
    font-weight: 700;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 0.95rem;
}

.main-nav a {
    color: #e7eefb;
    font-weight: 600;
    font-size: 0.94rem;
}

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

.menu-toggle {
    display: none;
    border: none;
    background: transparent;
    color: var(--color-light);
    font-size: 1.55rem;
}

.theme-fab {
    position: fixed;
    top: 0.85rem;
    right: 0.85rem;
    z-index: 250;
    width: 44px;
    height: 44px;
    border: none;
    border-radius: 999px;
    background: var(--color-accent);
    color: var(--color-light);
    font-size: 1.05rem;
    cursor: pointer;
    box-shadow: var(--shadow);
}

.theme-fab:hover {
    background: #e65100;
}

.social-fab {
    position: fixed;
    right: 0.85rem;
    bottom: 0.85rem;
    z-index: 250;
    display: grid;
    gap: 0.45rem;
}

.social-fab a {
    width: 44px;
    height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    background: var(--color-primary);
    color: var(--color-light);
    border: 1px solid rgba(255, 255, 255, 0.35);
    box-shadow: var(--shadow);
}

.social-fab a:hover {
    background: var(--color-accent);
}

.social-fab svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

.btn {
    display: inline-block;
    border: none;
    border-radius: var(--radius);
    padding: 0.76rem 1.2rem;
    font-weight: 600;
    transition: transform 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn-primary {
    background: #C25E0E;
    color: var(--color-light);
}

.btn-primary:hover {
    background: #a84f0b;
}

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

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

.hero {
    display: grid;
    align-items: center;
    padding-top: 5.6rem;
    color: var(--color-light);
    background: linear-gradient(120deg, rgba(13, 71, 161, 0.9), rgba(8, 36, 88, 0.87)), url("https://images.unsplash.com/photo-1518773553398-650c184e0bb3?auto=format&fit=crop&w=1500&q=80") center/cover;
}

.hero h1 {
    margin: 0;
    max-width: 18ch;
    font-size: clamp(2rem, 4.3vw, 3rem);
    line-height: 1.2;
}

.hero p {
    margin: 1rem 0 1.5rem;
    max-width: 65ch;
    color: #eff3ff;
}

.hero-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(240px, 1fr));
    gap: 1rem;
}

.about-grid article {
    background: var(--color-light);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.1rem;
    box-shadow: var(--shadow);
}

.about-grid h3 {
    margin-top: 0;
    color: var(--color-primary);
}

.about-grid ul {
    margin: 0;
    padding-left: 1rem;
}

.highlight {
    margin-top: 1.2rem;
    padding: 0.9rem 1rem;
    border-left: 4px solid var(--color-accent);
    background: #fff8f1;
    border-radius: 0 8px 8px 0;
    font-weight: 600;
}

.cards-grid {
    display: grid;
    gap: 1rem;
}

.cards-4 {
    grid-template-columns: repeat(4, minmax(170px, 1fr));
}

.cards-3 {
    grid-template-columns: repeat(3, minmax(220px, 1fr));
}

.card {
    background: var(--color-light);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.05rem;
    box-shadow: var(--shadow);
}

.card h3 {
    margin-top: 0;
    color: var(--color-primary);
    font-size: 1.02rem;
}

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

.card-link {
    color: var(--color-support);
    font-weight: 600;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(180px, 1fr));
    gap: 0.8rem;
}

.service-item {
    background: var(--color-light);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1rem;
    text-align: center;
    font-weight: 600;
}

.cta-inline {
    text-align: center;
    margin-top: 1.4rem;
    font-weight: 600;
}

.cta-inline a {
    color: var(--color-accent);
}

.section-brand {
    background: var(--color-primary);
    color: #edf2ff;
}

.section-header.light h2,
.section-header.light p {
    color: #edf2ff;
}

.logo-strip {
    margin: 1.2rem 0;
    display: grid;
    grid-template-columns: repeat(5, minmax(100px, 1fr));
    gap: 0.7rem;
}

.logo-strip img {
    width: 100%;
    height: 80px;
    object-fit: contain;
    background: rgba(255, 255, 255, 0.11);
    border: 1px solid rgba(255, 255, 255, 0.24);
    border-radius: 10px;
    padding: 0.65rem;
}

.testimonials {
    display: grid;
    grid-template-columns: repeat(3, minmax(190px, 1fr));
    gap: 0.7rem;
}

.testimonials blockquote {
    margin: 0;
    padding: 0.9rem;
    border-left: 4px solid #90caf9;
    background: rgba(255, 255, 255, 0.12);
    border-radius: 0 8px 8px 0;
}

.center {
    text-align: center;
    margin-top: 1.3rem;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 1rem;
}

.contact-form,
.contact-info {
    background: var(--color-light);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.1rem;
    box-shadow: var(--shadow);
}

.contact-form {
    display: grid;
    gap: 0.5rem;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    border: 1px solid #ccd7ee;
    border-radius: 10px;
    padding: 0.68rem;
    font: inherit;
}

.contact-form button {
    margin-top: 0.4rem;
    cursor: pointer;
}

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

.contact-info a {
    color: var(--color-primary);
}

.map-wrap {
    position: relative;
    margin-top: 1rem;
    border: 1px solid var(--color-border);
    border-radius: 10px;
    overflow: hidden;
}

.map-wrap iframe {
    width: 100%;
    height: 230px;
    border: none;
}

.map-address {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    margin: 0;
    padding: 0.55rem 0.7rem;
    font-size: 0.86rem;
    line-height: 1.4;
    background: rgba(255, 255, 255, 0.95);
    color: var(--color-text);
    border-top: 1px solid var(--color-border);
}

.map-address a {
    color: inherit;
}

.site-footer {
    background: #082e6e;
    color: #edf2ff;
    padding: 1.9rem 0 1rem;
    scroll-snap-align: start;
    scroll-snap-stop: always;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr 1fr;
    gap: 1rem;
}

.footer-grid h3 {
    margin: 0 0 0.4rem;
}

.footer-links,
.footer-social {
    display: grid;
    gap: 0.45rem;
}

.footer-social a {
    color: #ffd7a9;
}

.copyright {
    text-align: center;
    margin: 1rem 0 0;
    padding-top: 0.8rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    font-size: 0.9rem;
}

#nosotros,
#contacto {
    min-height: 70vh;
    scroll-snap-align: center;
    padding-top: 1rem !important;
}

@media (max-width: 1100px) {
    .cards-4 {
        grid-template-columns: repeat(2, minmax(210px, 1fr));
    }
    .service-grid {
        grid-template-columns: repeat(3, minmax(170px, 1fr));
    }
}

@media (max-width: 900px) {
    .main-nav {
        position: absolute;
        top: 74px;
        right: 4%;
        width: min(320px, 94vw);
        background: var(--color-primary);
        padding: 0.9rem;
        border-radius: 0 0 10px 10px;
        box-shadow: 0 10px 24px rgba(0, 0, 0, 0.22);
        display: none;
        flex-direction: column;
        align-items: flex-start;
    }
    .main-nav.show {
        display: flex;
    }
    .menu-toggle {
        display: block;
    }
    .nav-cta {
        margin-left: 0;
        margin-top: 0.5rem;
        text-align: center;
    }
    .about-grid,
    .cards-3,
    .service-grid,
    .testimonials,
    .contact-grid,
    .footer-grid,
    .logo-strip {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 600px) {
    .section {
        padding: 3rem 0;
        min-height: auto;
        scroll-snap-stop: normal;
    }
    .theme-fab {
        top: 0.9rem;
        right: 3.4rem;
        left: auto;
    }
    .hero {
        min-height: auto;
        padding-top: 5.1rem;
        padding-bottom: 3rem;
    }
    .hero-actions {
        flex-direction: column;
    }
    .hero-actions .btn,
    .contact-form button {
        width: 100%;
        text-align: center;
    }
    .cards-4 {
        grid-template-columns: 1fr;
    }
    .copyright {
        font-size: 0.82rem;
    }
    .theme-fab,
    .social-fab a {
        width: 40px;
        height: 40px;
    }
    .social-fab svg {
        width: 18px;
        height: 18px;
    }
}

body.theme-dark .site-header {
    background: #0b2a57;
}

body.theme-dark .main-nav a {
    color: #eaf1ff;
}

body.theme-dark .section-header h2,
body.theme-dark .about-grid h3,
body.theme-dark .card h3 {
    color: #9fc0ff;
}

body.theme-dark .about-grid article,
body.theme-dark .card,
body.theme-dark .service-item,
body.theme-dark .contact-form,
body.theme-dark .contact-info {
    background: #151f33;
    border-color: var(--color-border);
}

body.theme-dark .card p,
body.theme-dark .section-header p,
body.theme-dark .contact-info li,
body.theme-dark .contact-form label {
    color: var(--color-muted);
}

body.theme-dark .card-link {
    color: #7fd39b;
}

body.theme-dark .highlight {
    background: #2a2117;
}

body.theme-dark .contact-form input,
body.theme-dark .contact-form textarea {
    background: #0f1728;
    color: var(--color-text);
    border-color: #35507b;
}

body.theme-dark .map-wrap {
    border-color: #35507b;
}

body.theme-dark .map-address {
    background: rgba(21, 31, 51, 0.94);
    border-top-color: #35507b;
    color: var(--color-text);
}