/* ============================================================
   LONTRA — Página de producto (/lontra/)
   Se carga después de style.css y reutiliza sus variables.
   ============================================================ */

/* ---------- Elementos comunes ---------- */
.lontra-eyebrow {
    display: inline-block;
    margin-bottom: 12px;
    font-family: 'JetBrains Mono', ui-monospace, monospace;
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--green);
}

.lontra-lead {
    max-width: 64ch;
    color: var(--text-muted);
    font-size: clamp(1rem, 0.97rem + 0.15vw, 1.12rem);
}

.lontra-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: 'JetBrains Mono', ui-monospace, monospace;
    font-size: 0.74rem;
    letter-spacing: 0.04em;
    color: var(--green);
    background: rgba(0, 196, 140, 0.08);
    border: 1px solid rgba(0, 196, 140, 0.28);
    padding: 6px 14px;
    border-radius: var(--r-full);
}

.lontra-badge::before {
    content: "";
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--green);
    box-shadow: 0 0 0 0 rgba(0, 196, 140, 0.6);
    animation: lontra-blink 2s ease-in-out infinite;
}

@keyframes lontra-blink {
    0%, 100% { box-shadow: 0 0 0 0 rgba(0, 196, 140, 0.55); }
    50% { box-shadow: 0 0 0 6px rgba(0, 196, 140, 0); }
}

.btn-ghost {
    background: transparent;
    color: var(--text);
    border: 1px solid var(--border);
    box-shadow: none;
}

.btn-ghost:hover {
    border-color: rgba(0, 196, 140, 0.5);
    box-shadow: var(--ring);
}

.lontra-link {
    display: inline-block;
    margin-top: 18px;
    color: var(--green);
    font-weight: 600;
    text-decoration: none;
    border-bottom: 1px solid rgba(0, 196, 140, 0.35);
}

.lontra-link:hover {
    border-color: var(--green);
}

.lontra-small {
    font-size: 0.86rem;
    color: var(--text-dim);
}

/* Lista con marcas de verificación (el contenido llega por i18n) */
.lontra-checks {
    list-style: none;
    padding: 0;
    margin-top: var(--gap-md);
    display: grid;
    gap: 14px;
}

.lontra-checks li {
    position: relative;
    padding-left: 34px;
    color: var(--text-muted);
}

.lontra-checks li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 3px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--grad);
    -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Ccircle cx='10' cy='10' r='10'/%3E%3C/svg%3E") center/contain no-repeat;
}

.lontra-checks li::after {
    content: "";
    position: absolute;
    left: 7px;
    top: 7px;
    width: 5px;
    height: 9px;
    border: solid #06141b;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.lontra-checks strong {
    color: var(--text);
}

/* ---------- Hero ---------- */
.lontra-hero {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: center;
    gap: clamp(32px, 5vw, 64px);
    padding-top: clamp(8px, 2vw, 24px);
}

.lontra-hero::before {
    content: "";
    position: absolute;
    top: -180px;
    right: -12%;
    width: 680px;
    height: 680px;
    max-width: 90vw;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.16), transparent 68%);
    pointer-events: none;
    z-index: -1;
}

.lontra-hero::after {
    content: "";
    position: absolute;
    top: -120px;
    left: -12%;
    width: 520px;
    height: 520px;
    max-width: 80vw;
    background: radial-gradient(circle, rgba(0, 196, 140, 0.14), transparent 70%);
    pointer-events: none;
    z-index: -1;
}

.lontra-title {
    margin: 22px 0 6px;
    line-height: 0;
}

.lontra-wordmark {
    width: min(100%, 440px);
    height: auto;
}

.lontra-acronym {
    font-family: 'JetBrains Mono', ui-monospace, monospace;
    font-size: 0.82rem;
    color: var(--text-dim);
    letter-spacing: 0.01em;
    margin-bottom: 26px;
}

.lontra-acronym b {
    color: var(--green);
    font-weight: 500;
}

.lontra-hero h2 {
    font-size: clamp(1.6rem, 1.25rem + 1.4vw, 2.4rem);
    max-width: 22ch;
}

.lontra-hero-text > p:not(.lontra-acronym) {
    max-width: 54ch;
    color: var(--text-muted);
    font-size: clamp(1rem, 0.96rem + 0.2vw, 1.1rem);
}

.lontra-cta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.lontra-hero-visual {
    position: relative;
}

.lontra-hero-visual img {
    width: 100%;
    height: auto;
    /* Las antenas salen cortadas por arriba en la ilustración: se funden con el fondo */
    -webkit-mask-image: linear-gradient(to bottom, transparent 0%, #000 16%);
    mask-image: linear-gradient(to bottom, transparent 0%, #000 16%);
    filter: drop-shadow(0 0 22px rgba(59, 130, 246, 0.25));
    animation: lontra-float 7s ease-in-out infinite;
}

@keyframes lontra-float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

/* ---------- Cifras ---------- */
.lontra-stats {
    grid-template-columns: repeat(4, 1fr);
}

/* ---------- Ventajas LoRaWAN ---------- */
.lontra-feature-grid {
    list-style: none;
    padding: 0;
    margin-top: var(--gap-lg);
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--gap-md);
}

.lontra-feature-grid li {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    padding: 28px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    transition: transform var(--med) var(--ease), box-shadow var(--med) var(--ease), border-color var(--med) var(--ease);
}

.lontra-feature-grid li:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md), var(--ring);
    border-color: rgba(0, 196, 140, 0.35);
}

.lontra-feature-grid svg,
.lontra-flow svg {
    fill: none;
    stroke: currentColor;
    stroke-width: 1.6;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.lontra-feature-grid svg {
    width: 44px;
    height: 44px;
    padding: 10px;
    margin-bottom: 10px;
    border-radius: var(--r-sm);
    color: var(--green);
    background: rgba(0, 196, 140, 0.08);
    border: 1px solid rgba(0, 196, 140, 0.22);
}

.lontra-feature-grid strong {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.12rem;
}

.lontra-feature-grid span {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* ---------- Integración local ---------- */
.lontra-local {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: var(--gap-lg);
    align-items: center;
}

.lontra-flow {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.lontra-flow-home {
    position: relative;
    padding: 38px 22px 26px;
    border: 1px dashed rgba(0, 196, 140, 0.45);
    border-radius: var(--r-lg);
    background: linear-gradient(155deg, var(--panel-2), var(--ink-2));
}

.lontra-flow-label {
    position: absolute;
    top: -12px;
    left: 20px;
    padding: 2px 10px;
    background: var(--ink);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.74rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--green);
}

.lontra-flow-row {
    display: flex;
    align-items: center;
    gap: 6px;
}

.lontra-flow-node {
    flex: 0 0 auto;
    width: 96px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    text-align: center;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text);
    line-height: 1.2;
}

.lontra-flow-node svg {
    width: 58px;
    height: 58px;
    padding: 14px;
    border-radius: var(--r-md);
    background: var(--panel);
    border: 1px solid var(--border);
    color: var(--text-muted);
}

.lontra-flow-node.is-main svg {
    background: var(--grad);
    border: none;
    color: #06141b;
    box-shadow: 0 12px 30px -12px rgba(0, 196, 140, 0.6);
}

.lontra-flow-link {
    position: relative;
    flex: 1;
    height: 2px;
    margin-bottom: 24px;
    background: repeating-linear-gradient(90deg, var(--green) 0 6px, transparent 6px 12px);
    background-size: 24px 2px;
    animation: lontra-dash 1.2s linear infinite;
}

.lontra-flow-link span {
    position: absolute;
    top: -24px;
    left: 50%;
    transform: translateX(-50%);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.68rem;
    color: var(--text-dim);
    white-space: nowrap;
}

@keyframes lontra-dash {
    to { background-position: 24px 0; }
}

.lontra-flow-cloud {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    color: var(--text-dim);
    font-size: 0.88rem;
}

.lontra-flow-cloud svg {
    width: 28px;
    height: 28px;
    flex-shrink: 0;
    color: #ef6b6b;
}

/* ---------- Puesta en marcha (4 pasos) ---------- */
.lontra-track {
    grid-template-columns: repeat(4, 1fr);
}

.lontra-track::before {
    left: calc(50% / 4);
    right: calc(50% / 4);
}

/* ---------- Capturas del panel ---------- */
.lontra-showcase {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--gap-lg);
    margin-top: calc(var(--section-pad) * -0.6);
}

.lontra-show {
    display: flex;
    flex-direction: column;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform var(--med) var(--ease), box-shadow var(--med) var(--ease), border-color var(--med) var(--ease);
}

.lontra-show:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md), var(--ring);
    border-color: rgba(59, 130, 246, 0.35);
}

.lontra-show.is-wide {
    grid-column: 1 / -1;
}

.lontra-show-text {
    padding: clamp(22px, 2.5vw, 32px);
}

.lontra-show-text p {
    color: var(--text-muted);
    font-size: 0.96rem;
}

.lontra-shot {
    margin: 0;
    padding: clamp(18px, 2.5vw, 30px) clamp(18px, 2.5vw, 30px) 0;
    background: radial-gradient(600px circle at 50% 0%, rgba(59, 130, 246, 0.14), transparent 70%), #0b1525;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: center;
    align-items: flex-start;
    max-height: 460px;
    overflow: hidden;
}

.lontra-shot img {
    width: 100%;
    height: auto;
    border-radius: 12px 12px 0 0;
    border: 1px solid var(--border-soft);
    border-bottom: none;
    box-shadow: 0 -10px 40px -18px rgba(0, 0, 0, 0.8);
    object-fit: cover;
    object-position: top;
}

/* Capturas estrechas (Home Assistant, MQTT): no se estiran */
.lontra-shot.is-light {
    background: radial-gradient(600px circle at 50% 0%, rgba(0, 196, 140, 0.14), transparent 70%), #0b1525;
}

.lontra-show:not(.is-wide) .lontra-shot {
    height: 440px;
}

.lontra-show:not(.is-wide) .lontra-shot img {
    width: auto;
    max-width: 100%;
    height: 100%;
}

/* ---------- Seguridad ---------- */
.lontra-security {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    gap: var(--gap-lg);
    align-items: center;
}

.lontra-security-shots {
    display: grid;
    grid-template-columns: 0.8fr 1fr;
    gap: 16px;
    align-items: start;
}

.lontra-security-shots .lontra-shot {
    max-height: 380px;
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
}

.lontra-security-shots .lontra-shot:last-child {
    margin-top: 60px;
}

/* ---------- Hardware ---------- */
.lontra-hardware {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.9fr);
    gap: var(--gap-lg);
    align-items: center;
}

.lontra-hardware-visual {
    padding: clamp(16px, 3vw, 36px);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    background:
        linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px) 0 0 / 28px 28px,
        linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px) 0 0 / 28px 28px,
        linear-gradient(155deg, var(--panel-2), var(--ink-2));
}

.lontra-hardware-visual img {
    width: 100%;
    height: auto;
    -webkit-mask-image: linear-gradient(to bottom, transparent 0%, #000 12%);
    mask-image: linear-gradient(to bottom, transparent 0%, #000 12%);
}

.lontra-parts {
    list-style: none;
    counter-reset: part;
    padding: 0;
    margin-top: var(--gap-md);
    display: grid;
    gap: 12px;
}

.lontra-parts li {
    counter-increment: part;
    display: flex;
    align-items: baseline;
    gap: 14px;
    color: var(--text-muted);
}

.lontra-parts li::before {
    content: counter(part);
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: 1.5px solid var(--text-muted);
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text);
    transform: translateY(-1px);
}

/* ---------- Ficha técnica ---------- */
.lontra-spec-table {
    margin: var(--gap-md) 0 0;
    display: grid;
    grid-template-columns: minmax(160px, 0.4fr) 1fr;
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    overflow: hidden;
    background: var(--panel);
}

.lontra-spec-table dt,
.lontra-spec-table dd {
    margin: 0;
    padding: 16px 24px;
    border-bottom: 1px solid var(--border);
}

.lontra-spec-table dt {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--text-dim);
    background: var(--ink-2);
}

.lontra-spec-table dd {
    color: var(--text);
}

.lontra-spec-table dt:last-of-type,
.lontra-spec-table dd:last-of-type {
    border-bottom: none;
}

/* ---------- Lista de espera ---------- */
.lontra-waitlist {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: var(--gap-lg);
    align-items: center;
}

.lontra-waitlist-text h2 {
    margin-top: 18px;
}

.lontra-waitlist-form {
    position: relative;
    display: grid;
    gap: 16px;
    padding: clamp(22px, 3vw, 32px);
    background: rgba(7, 11, 18, 0.45);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
}

.lontra-waitlist-form label {
    display: grid;
    gap: 6px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-muted);
}

.lontra-waitlist-form input[type="text"],
.lontra-waitlist-form input[type="email"] {
    width: 100%;
    padding: 13px 16px;
    font: inherit;
    color: var(--text);
    background: var(--ink-2);
    border: 1px solid var(--border);
    border-radius: var(--r-sm);
    transition: border-color var(--fast) var(--ease), box-shadow var(--fast) var(--ease);
}

.lontra-waitlist-form input[type="text"]:focus,
.lontra-waitlist-form input[type="email"]:focus {
    outline: none;
    border-color: var(--green);
    box-shadow: 0 0 0 3px rgba(0, 196, 140, 0.18);
}

.lontra-waitlist-form .lontra-consent {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.84rem;
    font-weight: 400;
    color: var(--text-dim);
}

.lontra-consent input {
    margin-top: 4px;
    accent-color: var(--green);
    flex-shrink: 0;
}

.lontra-consent a {
    color: var(--text-muted);
}

.lontra-waitlist-form .btn {
    margin-top: 4px;
    justify-content: center;
}

/* ---------- Marcas ---------- */
.lontra-trademarks {
    margin-top: calc(var(--section-pad) * -0.6);
    font-size: 0.78rem;
    color: var(--text-dim);
    text-align: center;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
    .lontra-hero,
    .lontra-local,
    .lontra-security,
    .lontra-hardware,
    .lontra-waitlist {
        grid-template-columns: 1fr;
    }

    .lontra-hero-visual {
        order: -1;
        width: min(100%, 560px);
        margin: 0 auto;
    }

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

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

@media (max-width: 900px) {
    .lontra-track {
        grid-template-columns: 1fr;
    }

    .lontra-track::before {
        left: 23px;
        right: auto;
    }
}

@media (max-width: 760px) {
    .lontra-showcase {
        grid-template-columns: 1fr;
    }

    .lontra-show:not(.is-wide) .lontra-shot {
        height: 340px;
    }
}

@media (max-width: 640px) {
    .lontra-feature-grid {
        grid-template-columns: 1fr;
    }

    .lontra-spec-table {
        grid-template-columns: 1fr;
    }

    .lontra-spec-table dt {
        border-bottom: none;
        padding-bottom: 4px;
    }

    .lontra-spec-table dd {
        padding-top: 4px;
    }

    .lontra-flow-node {
        width: 72px;
        font-size: 0.72rem;
    }

    .lontra-flow-node svg {
        width: 48px;
        height: 48px;
        padding: 11px;
    }

    .lontra-security-shots .lontra-shot:last-child {
        margin-top: 0;
    }
}

@media (prefers-reduced-motion: reduce) {
    .lontra-hero-visual img,
    .lontra-flow-link,
    .lontra-badge::before {
        animation: none;
    }
}

/* ============================================================
   Casos de uso, comparativa, sensores compatibles y FAQ
   ============================================================ */
/* ---------- Casos de uso ---------- */
.lontra-uses {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--gap-md);
    margin-top: var(--gap-lg);
}

.lontra-use {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 28px;
    background: linear-gradient(155deg, var(--panel-2), var(--panel));
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    transition: transform var(--med) var(--ease), box-shadow var(--med) var(--ease), border-color var(--med) var(--ease);
}

.lontra-use:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md), var(--ring);
    border-color: rgba(59, 130, 246, 0.35);
}

.lontra-use svg {
    width: 48px;
    height: 48px;
    padding: 11px;
    border-radius: var(--r-md);
    background: var(--grad);
    fill: none;
    stroke: #06141b;
    stroke-width: 1.7;
    stroke-linecap: round;
    stroke-linejoin: round;
    margin-bottom: 6px;
}

.lontra-use h3 {
    margin: 0;
}

.lontra-use p {
    color: var(--text-muted);
    font-size: 0.95rem;
    flex: 1;
}

.lontra-uses-note {
    margin-top: var(--gap-md);
    color: var(--text);
    font-weight: 500;
}

/* ---------- Comparativa ---------- */
.lontra-compare-wrap {
    margin-top: var(--gap-lg);
    overflow-x: auto;
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    background: var(--panel);
}

.lontra-compare {
    width: 100%;
    min-width: 760px;
    border-collapse: collapse;
    font-size: 0.92rem;
}

.lontra-compare th,
.lontra-compare td {
    padding: 15px 18px;
    text-align: left;
    vertical-align: top;
    border-bottom: 1px solid var(--border);
}

.lontra-compare tbody tr:last-child th,
.lontra-compare tbody tr:last-child td {
    border-bottom: none;
}

.lontra-compare thead th {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1rem;
    color: var(--text);
    background: var(--ink-2);
    line-height: 1.3;
}

.lontra-compare thead small {
    font-family: 'Inter', sans-serif;
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--text-dim);
}

.lontra-compare tbody th {
    width: 22%;
    font-weight: 500;
    color: var(--text-muted);
}

.lontra-compare .is-lontra {
    background: rgba(0, 196, 140, 0.07);
    border-left: 1px solid rgba(0, 196, 140, 0.3);
    border-right: 1px solid rgba(0, 196, 140, 0.3);
}

.lontra-compare thead .is-lontra {
    color: var(--green);
    background: rgba(0, 196, 140, 0.12);
}

.lontra-compare .yes,
.lontra-compare .no,
.lontra-compare .mid {
    position: relative;
    display: block;
    padding-left: 24px;
}

.lontra-compare .yes::before,
.lontra-compare .no::before,
.lontra-compare .mid::before {
    position: absolute;
    left: 0;
    top: 0;
    font-weight: 700;
}

.lontra-compare .yes { color: var(--text); }
.lontra-compare .yes::before { content: "✓"; color: var(--green); }
.lontra-compare .no { color: var(--text-dim); }
.lontra-compare .no::before { content: "✕"; color: #ef6b6b; }
.lontra-compare .mid { color: var(--text-muted); }
.lontra-compare .mid::before { content: "~"; color: #f5b74a; }

/* ---------- Sensores compatibles ---------- */
.lontra-sensor-stats {
    grid-template-columns: repeat(2, 1fr);
    max-width: 720px;
    margin-top: var(--gap-md);
}

.lontra-sensors .lontra-small {
    margin-top: 18px;
}

.lontra-sensors .lontra-small a,
.lontra-faq-a a {
    color: var(--green);
}

/* ---------- FAQ ---------- */
.lontra-faq {
    margin-top: var(--gap-md);
    display: grid;
    gap: 12px;
    max-width: 900px;
}

.lontra-faq details {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    transition: border-color var(--fast) var(--ease);
}

.lontra-faq details[open] {
    border-color: rgba(0, 196, 140, 0.4);
}

.lontra-faq summary {
    position: relative;
    padding: 18px 56px 18px 22px;
    cursor: pointer;
    list-style: none;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    font-size: 1.05rem;
    color: var(--text);
}

.lontra-faq summary::-webkit-details-marker {
    display: none;
}

.lontra-faq summary::after {
    content: "+";
    position: absolute;
    right: 22px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.4rem;
    font-weight: 400;
    color: var(--green);
    transition: transform var(--fast) var(--ease);
}

.lontra-faq details[open] summary::after {
    transform: translateY(-50%) rotate(45deg);
}

.lontra-faq-a {
    padding: 0 22px 20px;
    color: var(--text-muted);
}

@media (max-width: 1024px) {
    .lontra-uses {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .lontra-uses {
        grid-template-columns: 1fr;
    }
}