/* =====================================================================
   Taller Mecánico — Hoja de estilos del sitio público
   Paleta: chasis grafito + acento torque (naranja quemado) + acero
   Tipografía: Oswald (display, condensada, industrial) + Source Sans 3 (texto)
   ===================================================================== */

:root {
    --chasis-950: #14161a;
    --chasis-900: #1b1d22;
    --chasis-800: #24262d;
    --chasis-700: #2f323b;
    --acero-500: #7c8b9a;
    --acero-300: #b7c0c9;
    --hueso-100: #edeef0;
    --hueso-300: #9ca3ac;
    --torque-500: #e2762b;
    --torque-400: #ef9152;
    --torque-700: #b0571a;
    --estado-ok: #4c9a6a;
    --estado-alerta: #d94f4f;
    --radio-panel: 2px;
    --max-width: 1180px;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
    }
}

body {
    margin: 0;
    background: var(--chasis-900);
    color: var(--hueso-100);
    font-family: 'Source Sans 3', -apple-system, Segoe UI, sans-serif;
    font-size: 16px;
    line-height: 1.6;
}

h1, h2, h3, h4, .brand, .btn, .nav-links a {
    font-family: 'Oswald', 'Arial Narrow', sans-serif;
    font-weight: 600;
    letter-spacing: 0.01em;
}

h1 { font-size: clamp(2.4rem, 5vw, 3.6rem); line-height: 1.08; margin: 0 0 1rem; }
h2 { font-size: clamp(1.7rem, 3vw, 2.3rem); margin: 0 0 0.75rem; }
h3 { font-size: 1.2rem; margin: 0 0 0.5rem; }
p  { color: var(--hueso-300); max-width: 62ch; }

a { color: var(--torque-400); }

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

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

.visually-hidden {
    position: absolute; width: 1px; height: 1px;
    overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap;
}

/* Foco visible accesible en toda la interfaz */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
    outline: 3px solid var(--torque-400);
    outline-offset: 2px;
}

/* ---------------------------------------------------------------- */
/* Encabezado                                                        */
/* ---------------------------------------------------------------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(20, 22, 26, 0.92);
    backdrop-filter: blur(6px);
    border-bottom: 1px solid var(--chasis-700);
}

.site-header .contenedor {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 76px;
    gap: 24px;
}

.brand {
    display: flex;
    align-items: baseline;
    gap: 8px;
    color: var(--hueso-100);
    text-decoration: none;
    font-size: 1.3rem;
    text-transform: uppercase;
    white-space: nowrap;
}
.brand span { color: var(--torque-500); }

.nav-links {
    display: flex;
    gap: 28px;
    list-style: none;
    margin: 0; padding: 0;
    text-transform: uppercase;
    font-size: 0.88rem;
}
.nav-links a { color: var(--acero-300); text-decoration: none; padding: 6px 2px; border-bottom: 2px solid transparent; }
.nav-links a:hover { color: var(--hueso-100); border-bottom-color: var(--torque-500); }

.header-actions { display: flex; gap: 10px; align-items: center; }

.nav-toggle {
    display: none;
    background: none;
    border: 1px solid var(--chasis-700);
    color: var(--hueso-100);
    padding: 8px 10px;
    cursor: pointer;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 11px 20px;
    text-decoration: none;
    text-transform: uppercase;
    font-size: 0.85rem;
    border: 1px solid transparent;
    border-radius: var(--radio-panel);
    cursor: pointer;
    transition: background-color 160ms ease, border-color 160ms ease, color 160ms ease;
}
.btn-solido { background: var(--torque-500); color: var(--chasis-950); border-color: var(--torque-500); }
.btn-solido:hover { background: var(--torque-400); border-color: var(--torque-400); }
.btn-contorno { background: transparent; color: var(--hueso-100); border-color: var(--acero-500); }
.btn-contorno:hover { border-color: var(--hueso-100); }
.btn-bloque { width: 100%; }
.btn:disabled { opacity: 0.6; cursor: not-allowed; }

/* ---------------------------------------------------------------- */
/* Hero                                                               */
/* ---------------------------------------------------------------- */
.hero {
    position: relative;
    overflow: hidden;
    background: var(--chasis-900);
    border-bottom: 1px solid var(--chasis-700);
}
.hero::after {
    /* corte diagonal único: un solo gesto gráfico, no franjas repetidas */
    content: "";
    position: absolute;
    top: 0; right: -10%;
    width: 46%; height: 100%;
    background: linear-gradient(180deg, var(--chasis-800), var(--chasis-950));
    clip-path: polygon(30% 0, 100% 0, 100% 100%, 0% 100%);
}
.hero .contenedor {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
    gap: 40px;
    padding-top: 76px;
    padding-bottom: 76px;
    min-height: 560px;
}
.hero-kicker {
    color: var(--torque-400);
    font-family: 'Oswald', sans-serif;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.14em;
    margin-bottom: 14px;
}
.hero p.lead { font-size: 1.08rem; color: var(--acero-300); margin-bottom: 2rem; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-art {
    position: relative;
    z-index: 2;
    opacity: 0;
    transform: translateY(14px);
    animation: subir-aparecer 700ms ease-out 150ms forwards;
}
@keyframes subir-aparecer {
    to { opacity: 1; transform: translateY(0); }
}
.hero-copy {
    opacity: 0;
    transform: translateY(14px);
    animation: subir-aparecer 700ms ease-out forwards;
}

/* ---------------------------------------------------------------- */
/* Franja "ficha técnica" de cifras                                   */
/* ---------------------------------------------------------------- */
.ficha-tecnica {
    background: var(--chasis-800);
    border-bottom: 1px solid var(--chasis-700);
}
.ficha-tecnica .contenedor {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    padding: 30px 24px;
}
.ficha-item {
    text-align: left;
    padding: 0 20px;
    border-left: 1px solid var(--chasis-700);
}
.ficha-item:first-child { border-left: none; padding-left: 0; }
.ficha-valor {
    font-family: 'Oswald', sans-serif;
    font-size: 2rem;
    color: var(--hueso-100);
    line-height: 1;
}
.ficha-etiqueta {
    color: var(--hueso-300);
    font-size: 0.85rem;
    margin-top: 6px;
}

/* ---------------------------------------------------------------- */
/* Secciones genéricas                                                */
/* ---------------------------------------------------------------- */
section { padding: 84px 0; }
.section-head { max-width: 640px; margin-bottom: 44px; }
.section-head .hero-kicker { margin-bottom: 10px; }

/* ---------------------------------------------------------------- */
/* Servicios                                                          */
/* ---------------------------------------------------------------- */
.servicios-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--chasis-700);
    border: 1px solid var(--chasis-700);
}
.servicio-panel {
    background: var(--chasis-900);
    padding: 30px 26px;
    border-left: 3px solid transparent;
    transition: border-color 180ms ease, background-color 180ms ease;
}
.servicio-panel:hover { border-left-color: var(--torque-500); background: var(--chasis-800); }
.servicio-icono {
    width: 42px; height: 42px;
    margin-bottom: 18px;
    color: var(--torque-400);
}
.servicio-panel p { font-size: 0.94rem; }

/* ---------------------------------------------------------------- */
/* Nosotros                                                           */
/* ---------------------------------------------------------------- */
.nosotros-grid {
    display: grid;
    grid-template-columns: 0.85fr 1.15fr;
    gap: 56px;
    align-items: center;
}
.nosotros-foto {
    position: relative;
    aspect-ratio: 4 / 5;
    background: linear-gradient(160deg, var(--chasis-800), var(--chasis-950));
    clip-path: polygon(0 0, 100% 0, 100% 88%, 88% 100%, 0 100%);
    border: 1px solid var(--chasis-700);
    display: flex; align-items: center; justify-content: center;
}
.nosotros-lista { list-style: none; margin: 24px 0 0; padding: 0; }
.nosotros-lista li {
    display: flex; justify-content: space-between; gap: 20px;
    padding: 14px 0; border-top: 1px solid var(--chasis-700);
    color: var(--acero-300); font-size: 0.95rem;
}
.nosotros-lista li strong { color: var(--hueso-100); font-weight: 600; }

/* ---------------------------------------------------------------- */
/* Contacto                                                           */
/* ---------------------------------------------------------------- */
.contacto-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
}
.campo { margin-bottom: 18px; }
.campo label {
    display: block; margin-bottom: 6px; font-size: 0.85rem;
    color: var(--acero-300); text-transform: uppercase; letter-spacing: 0.04em;
}
.campo input, .campo textarea, .campo select {
    width: 100%; padding: 12px 14px;
    background: var(--chasis-800);
    border: 1px solid var(--chasis-700);
    color: var(--hueso-100);
    border-radius: var(--radio-panel);
    font-family: inherit; font-size: 1rem;
}
.campo textarea { resize: vertical; min-height: 120px; }
.info-panel {
    background: var(--chasis-800);
    border: 1px solid var(--chasis-700);
    padding: 30px;
}
.info-fila { display: flex; gap: 14px; padding: 14px 0; border-top: 1px solid var(--chasis-700); }
.info-fila:first-child { border-top: none; }
.info-fila strong { display: block; color: var(--hueso-100); }
.info-fila span { color: var(--hueso-300); font-size: 0.92rem; }
.horario-tabla { width: 100%; border-collapse: collapse; margin-top: 10px; font-size: 0.9rem; }
.horario-tabla td { padding: 5px 0; color: var(--hueso-300); }
.horario-tabla td:last-child { text-align: right; color: var(--acero-300); }

.alerta { padding: 14px 16px; border-radius: var(--radio-panel); margin-bottom: 20px; font-size: 0.92rem; }
.alerta-ok { background: rgba(76,154,106,0.12); border: 1px solid var(--estado-ok); color: #cdeedb; }
.alerta-error { background: rgba(217,79,79,0.12); border: 1px solid var(--estado-alerta); color: #f6d3d3; }

/* Honeypot anti-spam: campo invisible para humanos, visible para bots */
.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* ---------------------------------------------------------------- */
/* Acceso rápido clientes / usuarios (mosaico de entrada)             */
/* ---------------------------------------------------------------- */
.acceso-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    background: var(--chasis-700);
    border: 1px solid var(--chasis-700);
}
.acceso-panel {
    background: var(--chasis-900);
    padding: 46px 40px;
}
.acceso-panel h3 { font-size: 1.4rem; text-transform: uppercase; }

/* ---------------------------------------------------------------- */
/* Pie de página                                                      */
/* ---------------------------------------------------------------- */
.site-footer {
    background: var(--chasis-950);
    border-top: 1px solid var(--chasis-700);
    padding: 40px 0 24px;
}
.footer-grid { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 24px; }
.footer-grid p { font-size: 0.85rem; }
.footer-links { display: flex; gap: 20px; list-style: none; padding: 0; margin: 0; }
.footer-links a { color: var(--hueso-300); text-decoration: none; font-size: 0.85rem; }
.footer-links a:hover { color: var(--hueso-100); }
.footer-base { margin-top: 30px; padding-top: 20px; border-top: 1px solid var(--chasis-700); color: var(--hueso-300); font-size: 0.8rem; }

/* ---------------------------------------------------------------- */
/* Responsive                                                         */
/* ---------------------------------------------------------------- */
@media (max-width: 900px) {
    .nav-links, .header-actions .btn-contorno { display: none; }
    .nav-toggle { display: inline-flex; }
    .hero .contenedor { grid-template-columns: 1fr; padding-top: 44px; padding-bottom: 44px; min-height: auto; }
    .hero-art { order: -1; max-width: 280px; margin: 0 auto 20px; }
    .ficha-tecnica .contenedor { grid-template-columns: repeat(2, 1fr); row-gap: 24px; }
    .ficha-item:nth-child(3) { border-left: none; padding-left: 0; }
    .servicios-grid { grid-template-columns: 1fr; }
    .nosotros-grid { grid-template-columns: 1fr; }
    .contacto-grid { grid-template-columns: 1fr; }
    .acceso-grid { grid-template-columns: 1fr; }
    section { padding: 56px 0; }
}

/* ---------------------------------------------------------------- */
/* Layout del sistema interno (login, panel, módulos)                 */
/* ---------------------------------------------------------------- */
.pantalla-login {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
}
.login-lado-marca {
    background: linear-gradient(160deg, var(--chasis-800), var(--chasis-950));
    display: flex; flex-direction: column; justify-content: center;
    padding: 60px;
    border-right: 1px solid var(--chasis-700);
}
.login-lado-form { display: flex; align-items: center; justify-content: center; padding: 40px; }
.login-caja { width: 100%; max-width: 380px; }
.login-caja .brand { margin-bottom: 8px; display: inline-flex; }
@media (max-width: 800px) {
    .pantalla-login { grid-template-columns: 1fr; }
    .login-lado-marca { display: none; }
}