/* ==========================================================
   Maquinarias Fernández — estilos del sitio público
   ========================================================== */
:root {
    --bg: #0d0f13;
    --bg-2: #12161d;
    --panel: #151a22;
    --line: rgba(255, 255, 255, .09);
    --text: #eef0f3;
    --muted: #b7bcc6;
    --yellow: #fbb912;
    --yellow-2: #ffc933;
    --dark: #111317;
    --radius: 6px;
    --header-h: 84px;
    --font: "Roboto", system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
    --cut: 22px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); }
body {
    margin: 0;
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.55;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}
img, video, iframe { display: block; max-width: 100%; }
a { color: inherit; }
button { font: inherit; }
h1, h2, h3, h4 { margin: 0; line-height: 1.1; }
p { margin: 0; }

.container { width: min(1320px, 100% - 48px); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.hl { color: var(--yellow); }
.icon { width: 1.1em; height: 1.1em; flex: none; }

/* ---------- Botones ---------- */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: .6em;
    padding: .95em 1.5em;
    border: 2px solid transparent; border-radius: 4px;
    font-weight: 700; font-size: .95rem; text-transform: uppercase; letter-spacing: .02em;
    text-decoration: none; cursor: pointer; line-height: 1;
    transition: background .2s, color .2s, transform .2s, border-color .2s;
}
.btn .icon { width: 1.15em; height: 1.15em; }
.btn-primary { background: var(--yellow); color: var(--dark); }
.btn-primary:hover { background: var(--yellow-2); transform: translateY(-1px); }
.btn-outline { border-color: var(--yellow); color: var(--yellow); background: transparent; }
.btn-outline:hover { background: var(--yellow); color: var(--dark); }
.btn-sm { padding: .7em 1.2em; font-size: .85rem; }
.btn-block { width: 100%; }
.btn:focus-visible, a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
    outline: 3px solid var(--yellow); outline-offset: 2px;
}

/* ---------- Cabecera ---------- */
.site-header {
    position: fixed; inset: 0 0 auto 0; z-index: 50;
    height: var(--header-h);
    display: flex; align-items: center;
    background: linear-gradient(180deg, rgba(11, 13, 17, .92), rgba(11, 13, 17, .75));
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--line);
    transition: background .25s;
}
.site-header.scrolled { background: rgba(11, 13, 17, .97); }
.brand {
    height: 100%;
    display: flex; align-items: center;
    padding: 0 64px 0 max(24px, calc((100vw - 1320px) / 2));
    background: linear-gradient(135deg, #1a2029, #10141a);
    clip-path: polygon(0 0, 100% 0, calc(100% - 36px) 100%, 0 100%);
    text-decoration: none;
}
.brand img { height: 56px; width: auto; }
.brand-text { font-weight: 900; font-size: 1.4rem; text-transform: uppercase; color: var(--yellow); }
.main-nav { flex: 1; display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 0 max(24px, calc((100vw - 1320px) / 2)) 0 24px; }
.main-nav ul { list-style: none; margin: 0; padding: 0; display: flex; gap: clamp(14px, 2.6vw, 44px); }
.main-nav ul a {
    position: relative; display: block; padding: 10px 0;
    font-weight: 700; font-size: .92rem; text-transform: uppercase; text-decoration: none; letter-spacing: .02em;
    color: #fff;
}
.main-nav ul a::after {
    content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 4px; border-radius: 2px;
    background: var(--yellow); transform: scaleX(0); transition: transform .25s;
}
.main-nav ul a:hover::after, .main-nav ul a.active::after { transform: scaleX(1); }
.btn-quote { padding: .85em 1.9em; font-size: 1rem; }
.nav-toggle { display: none; }

/* ---------- Hero ---------- */
.hero {
    position: relative; overflow: hidden;
    min-height: 720px;
    padding: calc(var(--header-h) + 72px) 0 220px;
    isolation: isolate;
}
.hero-media { position: absolute; inset: 0; z-index: -1; }
.hero-media img, .hero-media video {
    position: absolute; top: 0; right: 0;
    width: 72%; height: 100%; object-fit: cover; object-position: center;
}
.hero-media::after {
    content: ""; position: absolute; inset: 0;
    background:
        linear-gradient(90deg, var(--bg) 26%, rgba(13, 15, 19, .82) 40%, rgba(13, 15, 19, .15) 68%, rgba(13, 15, 19, 0) 100%),
        linear-gradient(0deg, var(--bg) 0%, rgba(13, 15, 19, .6) 22%, rgba(13, 15, 19, 0) 45%),
        linear-gradient(180deg, rgba(13, 15, 19, .5) 0%, rgba(13, 15, 19, 0) 20%);
}
.hero-content { position: relative; max-width: 1320px; }
.hero-content > * { max-width: 600px; }
.eyebrow {
    display: flex; align-items: center; gap: 14px;
    margin-bottom: 14px;
    font-weight: 700; font-size: .95rem; text-transform: uppercase; letter-spacing: .03em;
}
.eyebrow::before { content: ""; width: 44px; height: 5px; border-radius: 3px; background: var(--yellow); }
.eyebrow.dark { color: var(--dark); font-size: .8rem; }
.hero-title {
    font-weight: 900; text-transform: uppercase;
    font-size: clamp(2.5rem, 5.4vw, 4.6rem);
    line-height: .98; letter-spacing: -.01em;
    text-shadow: 0 2px 24px rgba(0, 0, 0, .35);
}
.hero-content > .hero-title { max-width: 820px; }
.hero-short .hero-content > * { max-width: 900px; }
.rule { display: block; width: 64px; height: 5px; border-radius: 3px; background: var(--yellow); margin-top: 26px; }
.hero-text { margin: 22px 0 30px; font-size: clamp(1.02rem, 1.3vw, 1.2rem); color: #e3e6ea; }
.hero-text p + p { margin-top: 14px; }
.hero-tall { min-height: 780px; padding-bottom: 120px; }
.hero-tall .hero-media img, .hero-tall .hero-media video { width: 68%; object-position: 60% 20%; }
.hero-short { min-height: 560px; padding-bottom: 200px; }
.hero-contact { padding-bottom: 170px; }

/* ---------- Tarjetas (servicios / maquinaria) ---------- */
.cards-section { position: relative; z-index: 2; padding-bottom: 64px; }
.overlap { margin-top: -170px; }
.cards-grid { display: grid; gap: 16px; }
.cols-4 { grid-template-columns: repeat(4, 1fr); }
.cols-5 { grid-template-columns: repeat(5, 1fr); }
.card {
    display: flex; flex-direction: column;
    background: linear-gradient(180deg, #161b23 0%, #0f1217 100%);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
    clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
    box-shadow: 0 18px 40px rgba(0, 0, 0, .35);
    transition: transform .25s, box-shadow .25s;
}
.card:hover { transform: translateY(-4px); box-shadow: 0 24px 50px rgba(0, 0, 0, .5); }
.card-img { position: relative; aspect-ratio: 16 / 10; background: var(--panel); overflow: hidden; }
.card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.card:hover .card-img img { transform: scale(1.05); }
.card-img::after { content: ""; position: absolute; inset: auto 0 0 0; height: 45%; background: linear-gradient(0deg, #161b23, rgba(22, 27, 35, 0)); }
.card-body { position: relative; flex: 1; display: flex; flex-direction: column; gap: 12px; padding: 4px 22px 24px; margin-top: -28px; }
.card-head { display: flex; align-items: flex-end; gap: 14px; }
.card-icon { width: 46px; height: 46px; color: var(--yellow); }
.card-head::before { content: ""; position: absolute; left: 22px; top: 54px; width: 26px; height: 4px; border-radius: 2px; background: var(--yellow); }
.card-head h3 { font-size: 1.2rem; font-weight: 900; text-transform: uppercase; }
.card-body p { flex: 1; color: var(--muted); font-size: .95rem; margin-top: 12px; }
.card-body .btn { align-self: flex-start; margin-top: 6px; }

/* ---------- Barra de destacados ---------- */
.features { background: #0a0c10; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 34px 0; }
.features-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.feature { display: flex; gap: 18px; align-items: flex-start; padding: 6px 28px; }
.feature + .feature { border-left: 1px solid rgba(255, 255, 255, .16); }
.feature:first-child { padding-left: 0; }
.feature-icon { width: 54px; height: 54px; color: var(--yellow); }
.feature h3 { font-size: 1rem; font-weight: 900; text-transform: uppercase; margin-bottom: 6px; }
.feature p { color: var(--muted); font-size: .93rem; }

/* ---------- Secciones genéricas ---------- */
.section { padding: 84px 0; }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: 32px; flex-wrap: wrap; }
.section-title { font-size: clamp(1.9rem, 3.4vw, 2.8rem); font-weight: 900; text-transform: uppercase; }

/* ---------- Proyectos ---------- */
.filters { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 22px; }
.filter {
    padding: .7em 1.6em; border: 1.5px solid var(--yellow); border-radius: 3px;
    background: rgba(10, 12, 16, .7); color: #fff;
    font-weight: 700; font-size: .82rem; text-transform: uppercase; cursor: pointer;
    transition: background .2s, color .2s;
}
.filter:hover { background: rgba(251, 185, 18, .15); }
.filter.active { background: var(--yellow); color: var(--dark); }
.projects-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.project { border-radius: var(--radius); overflow: hidden; background: #0f1217; border: 1px solid var(--line); box-shadow: 0 18px 40px rgba(0, 0, 0, .35); transition: transform .25s; }
.project:hover { transform: translateY(-4px); }
.project[hidden] { display: none; }
.project-link { all: unset; display: flex; flex-direction: column; height: 100%; width: 100%; cursor: pointer; }
.project-link:focus-visible { outline: 3px solid var(--yellow); outline-offset: -3px; }
.project-img { position: relative; aspect-ratio: 16 / 9; background: var(--panel); overflow: hidden; }
.project-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.project:hover .project-img img { transform: scale(1.05); }
.badge { position: absolute; top: 10px; right: 10px; padding: 4px 10px; border-radius: 20px; background: rgba(0, 0, 0, .7); font-size: .75rem; font-weight: 700; }
.project-body { flex: 1; display: flex; flex-direction: column; gap: 8px; padding: 16px 18px 18px; }
.project-body h3 { font-size: 1.05rem; font-weight: 900; text-transform: uppercase; }
.loc { display: flex; gap: 6px; align-items: center; font-size: .85rem; color: var(--muted); }
.loc .icon { color: var(--yellow); }
.project-foot { display: flex; gap: 12px; align-items: flex-end; justify-content: space-between; margin-top: auto; }
.project-foot p { color: var(--muted); font-size: .92rem; }
.project-arrow { width: 26px; height: 26px; color: var(--yellow); transition: transform .2s; }
.project:hover .project-arrow { transform: translateX(4px); }
.empty-msg { padding: 40px 0; text-align: center; color: var(--muted); }

/* ---------- CTA ---------- */
.cta { padding: 0 0 84px; }
.cta-inner {
    display: grid; justify-items: center; gap: 14px; text-align: center;
    padding: 56px 24px; border-radius: 10px;
    background: linear-gradient(120deg, #1b212b, #10141a);
    border: 1px solid var(--line);
}
.cta h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); font-weight: 900; text-transform: uppercase; }
.cta p { color: var(--muted); margin-bottom: 8px; }

/* ---------- Contacto ---------- */
.contact-section { position: relative; z-index: 2; padding-bottom: 64px; }
.contact-grid { display: grid; grid-template-columns: 1.25fr 1fr; gap: 24px; align-items: start; }
.contact-info { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.info-box {
    display: flex; gap: 16px; align-items: flex-start;
    padding: 18px; border-radius: var(--radius);
    background: rgba(12, 14, 18, .88); border: 1px solid rgba(255, 255, 255, .14);
}
.info-icon { display: grid; place-items: center; width: 56px; height: 56px; flex: none; border-radius: 4px; background: var(--yellow); color: var(--dark); }
.info-icon .icon { width: 30px; height: 30px; }
.info-box h3 { font-size: 1.05rem; font-weight: 700; text-transform: uppercase; margin-bottom: 6px; }
.info-box a, .info-box p { display: block; color: #e7e9ec; text-decoration: none; font-size: .94rem; overflow-wrap: break-word; min-width: 0; }
.info-box > div { min-width: 0; }
.info-box a:hover { color: var(--yellow); }
.map { grid-column: 1 / -1; border-radius: var(--radius); overflow: hidden; border: 1px solid rgba(255, 255, 255, .14); }
.map iframe { width: 100%; height: 240px; border: 0; filter: grayscale(.3) contrast(1.05); }

.form-card { padding: 34px 30px; border-radius: 8px; background: #f3f4f6; color: var(--dark); box-shadow: 0 24px 60px rgba(0, 0, 0, .45); }
.form-card h2 { font-size: clamp(1.8rem, 3vw, 2.5rem); font-weight: 900; text-transform: uppercase; }
.form-intro { margin: 12px 0 22px; color: #2e3239; font-size: 1.02rem; }
.contact-form { display: grid; gap: 14px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field input, .field select, .field textarea {
    width: 100%; padding: 14px 14px;
    border: 1px solid #c9ccd2; border-radius: 4px; background: #fff; color: var(--dark);
    font: inherit; font-size: .98rem;
}
.field textarea { resize: vertical; min-height: 110px; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--yellow); outline: 2px solid rgba(251, 185, 18, .4); outline-offset: 0; }
.field .invalid { border-color: #d33; }
.contact-form .btn-primary { padding: 1.05em; font-size: 1.02rem; }
.contact-form .btn[disabled] { opacity: .6; cursor: progress; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-alert { margin-bottom: 16px; padding: 14px 16px; border-radius: 4px; font-weight: 500; }
.form-alert.ok { background: #e3f6e8; color: #145a2a; border: 1px solid #9fd8b0; }
.form-alert.error { background: #fde8e8; color: #8a1c1c; border: 1px solid #f2b0b0; }

/* ---------- Pie ---------- */
.site-footer { background: #08090c; border-top: 1px solid var(--line); padding-top: 56px; color: var(--muted); }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1.2fr; gap: 40px; padding-bottom: 40px; }
.footer-logo { height: 52px; width: auto; margin-bottom: 16px; }
.site-footer h4 { color: #fff; font-size: 1rem; text-transform: uppercase; margin-bottom: 16px; }
.footer-links, .footer-contact { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.site-footer a { text-decoration: none; }
.site-footer a:hover { color: var(--yellow); }
.footer-contact li { display: flex; gap: 10px; align-items: flex-start; }
.footer-contact .icon { color: var(--yellow); margin-top: 3px; }
.social { display: flex; gap: 10px; margin-top: 20px; }
.social a { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 6px; background: #fff; color: var(--dark); }
.social a:hover { background: var(--yellow); color: var(--dark); }
.social .icon { width: 22px; height: 22px; }
.footer-bottom { border-top: 1px solid var(--line); padding: 18px 0 22px; font-size: .88rem; }

.whatsapp-float {
    position: fixed; right: 22px; bottom: 22px; z-index: 40;
    display: grid; place-items: center; width: 60px; height: 60px; border-radius: 50%;
    background: #25d366; color: #fff; box-shadow: 0 8px 24px rgba(0, 0, 0, .4); border: 3px solid #fff;
    transition: transform .2s;
}
.whatsapp-float:hover { transform: scale(1.08); }
.whatsapp-float .icon { width: 32px; height: 32px; }

/* ---------- Lightbox / galería ---------- */
.lightbox { position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; padding: 24px; }
.lightbox[hidden] { display: none; }
.lb-backdrop { position: absolute; inset: 0; background: rgba(0, 0, 0, .85); }
.lb-panel { position: relative; width: min(1100px, 100%); max-height: 100%; display: flex; flex-direction: column; background: #0f1217; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.lb-stage { position: relative; background: #000; aspect-ratio: 16 / 9; max-height: 68vh; display: grid; place-items: center; }
.lb-stage img, .lb-stage video, .lb-stage iframe { width: 100%; height: 100%; object-fit: contain; border: 0; }
.lb-close { position: absolute; top: 10px; right: 10px; z-index: 3; }
.lb-close, .lb-nav { display: grid; place-items: center; width: 44px; height: 44px; border: 0; border-radius: 50%; background: rgba(0, 0, 0, .6); color: #fff; cursor: pointer; }
.lb-close:hover, .lb-nav:hover { background: var(--yellow); color: var(--dark); }
.lb-nav { position: absolute; top: calc(34vh - 22px); z-index: 2; }
.lb-prev { left: 10px; } .lb-next { right: 10px; }
.lb-nav[hidden] { display: none; }
.lb-info { display: flex; gap: 20px; align-items: center; justify-content: space-between; padding: 18px 22px; }
.lb-info h3 { font-size: 1.2rem; font-weight: 900; text-transform: uppercase; }
.lb-text { color: var(--muted); margin-top: 4px; }
.lb-thumbs { display: flex; gap: 8px; padding: 0 22px 18px; overflow-x: auto; }
.lb-thumbs:empty { display: none; }
.lb-thumbs button { position: relative; flex: none; width: 88px; height: 58px; padding: 0; border: 2px solid transparent; border-radius: 4px; overflow: hidden; background: #222; cursor: pointer; opacity: .6; }
.lb-thumbs button.active { border-color: var(--yellow); opacity: 1; }
.lb-thumbs img { width: 100%; height: 100%; object-fit: cover; }
.lb-thumbs .icon { position: absolute; inset: 0; margin: auto; width: 26px; height: 26px; color: #fff; }
body.no-scroll { overflow: hidden; }

/* ---------- Animación de entrada ---------- */
.reveal { transition: opacity .6s, transform .4s, box-shadow .25s; }
.reveal:not(.in) { opacity: 0; transform: translateY(18px); }
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
    .reveal:not(.in) { opacity: 1; transform: none; }
}

/* ==========================================================
   Responsive
   ========================================================== */
@media (max-width: 1200px) {
    .cols-5 { grid-template-columns: repeat(3, 1fr); }
    .main-nav ul { gap: 20px; }
    .brand { padding-right: 48px; }
    .brand img { height: 48px; }
}
@media (max-width: 1024px) {
    :root { --header-h: 72px; }
    .brand { clip-path: none; background: none; padding-left: 20px; }
    .brand img { height: 44px; }
    .nav-toggle {
        display: grid; place-items: center; margin: 0 16px 0 auto;
        width: 46px; height: 46px; border: 0; border-radius: 6px; background: var(--yellow); color: var(--dark); cursor: pointer;
    }
    .nav-toggle .icon { width: 26px; height: 26px; }
    .nav-toggle .icon-close, .nav-open .nav-toggle .icon-open { display: none; }
    .nav-open .nav-toggle .icon-close { display: block; }
    .main-nav {
        position: fixed; inset: var(--header-h) 0 auto 0;
        flex-direction: column; align-items: stretch; gap: 16px;
        padding: 16px 24px 28px;
        background: rgba(11, 13, 17, .98); border-bottom: 1px solid var(--line);
        transform: translateY(-110%); visibility: hidden; transition: transform .3s, visibility .3s;
        z-index: -1;
    }
    .nav-open .main-nav { transform: none; visibility: visible; }
    .main-nav ul { flex-direction: column; gap: 0; }
    .main-nav ul a { padding: 14px 0; font-size: 1.05rem; border-bottom: 1px solid var(--line); }
    .main-nav ul a::after { bottom: -1px; right: auto; width: 60px; }
    .cols-4, .projects-grid { grid-template-columns: repeat(2, 1fr); }
    .features-grid { grid-template-columns: repeat(2, 1fr); gap: 26px 0; }
    .feature:nth-child(3) { border-left: 0; padding-left: 0; }
    .contact-grid { grid-template-columns: 1fr; }
    .hero-media img, .hero-media video, .hero-tall .hero-media img, .hero-tall .hero-media video { width: 100%; }
    .hero-media::after {
        background:
            linear-gradient(90deg, rgba(13, 15, 19, .92) 0%, rgba(13, 15, 19, .6) 60%, rgba(13, 15, 19, .35) 100%),
            linear-gradient(0deg, var(--bg) 0%, rgba(13, 15, 19, 0) 40%);
    }
}
@media (max-width: 760px) {
    .container { width: min(100% - 32px, 1320px); }
    .hero { min-height: 0; padding: calc(var(--header-h) + 44px) 0 150px; }
    .hero-tall { padding-bottom: 70px; }
    .overlap { margin-top: -110px; }
    .cols-5, .cols-4 { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .card-body { padding: 4px 14px 18px; }
    .card-head { flex-direction: column; align-items: flex-start; gap: 10px; }
    .card-head::before { display: none; }
    .card-icon { width: 38px; height: 38px; }
    .card-head h3 { font-size: 1rem; }
    .card-body p { margin-top: 0; font-size: .88rem; }
    .projects-grid { grid-template-columns: 1fr; }
    .features-grid { grid-template-columns: 1fr; gap: 22px; }
    .feature, .feature:first-child { border-left: 0 !important; padding: 0; }
    .contact-info { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .form-card { padding: 26px 18px; }
    .footer-grid { grid-template-columns: 1fr; gap: 30px; }
    .lb-info { flex-direction: column; align-items: flex-start; }
    .lb-nav { top: calc(28vw - 22px); }
    .section-head .btn { width: 100%; }
}
@media (max-width: 420px) {
    .cols-5, .cols-4 { grid-template-columns: 1fr; }
    .card-head { flex-direction: row; align-items: center; }
}