/* =========================================================
   CLASSIC.WEB — BRASA · FICHA DEL TEMPLATE
   Identidad "Mesa servida" (la misma de la demo):
   papel mantel, espresso, pimentón y Fraunces.
   ========================================================= */

:root {
    /* ===== CAMPO CLARO (PAPEL DE MANTEL) ===== */
    --cream: #f1ebe1;
    --cream-raised: #f9f5ee;
    --paper-sunk: #d9d8d2;
    --espresso: #241a14;
    --ink-muted: #6b5a4c;
    --rule-light: rgba(36, 26, 20, .14);
    --rule-light-strong: rgba(36, 26, 20, .34);

    /* ===== CAMPO OSCURO (ESPRESO) ===== */
    --espresso-deep: #19110c;
    --ink-muted-dark: #b9a894;
    --rule-dark: rgba(244, 236, 223, .16);

    /* ===== ACENTO (PIMENTÓN) ===== */
    --salsa: #b03a1c;
    --salsa-light: #ef7a4e;
    --butter: #f4c25f;

    /* ===== MARCA CLASSIC.WEB (la del catálogo) ===== */
    --nova-gold: #8b7355;

    /* ===== TIPOGRAFÍA ===== */
    --font-text: 'Inter', system-ui, sans-serif;
    --font-display: 'Fraunces', Georgia, 'Times New Roman', serif;
    --font-nova: 'Space Grotesk', system-ui, sans-serif;

    --fs-display: clamp(3.6rem, 8.4vw, 7rem);
    --fs-title: clamp(2.2rem, 4.6vw, 3.8rem);
    --fs-h3: 1.4rem;
    --fs-lead: 1.0625rem;
    --fs-body: 1rem;
    --fs-note: .9375rem;
    --fs-small: .875rem;
    --fs-meta: .8125rem;

    --track-display: -.02em;
    --track-label: .16em;

    --fraunces-display: 'opsz' 144, 'SOFT' 0, 'WONK' 1;
    --fraunces-text: 'opsz' 20, 'SOFT' 0, 'WONK' 0;

    /* ===== GEOMETRÍA ===== */
    --r-pill: 999px;

    /* ===== RETÍCULA ===== */
    --gutter: clamp(1.25rem, 6%, 6rem);
    --section-pad: clamp(4.5rem, 8vw, 8rem);

    --dur: .25s;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-text);
    font-size: var(--fs-body);
    line-height: 1.65;
    background-color: var(--cream);
    color: var(--espresso);
    -webkit-font-smoothing: antialiased;
}

/* La ficha usa su propia paleta; el gancho queda declarado
   explícitamente para que ningún estilo compartido la pise. */
.brasa-detail {
    background-color: var(--cream);
    color: var(--espresso);
}

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

button:focus-visible,
a:focus-visible {
    outline: 2px solid var(--salsa);
    outline-offset: 3px;
}

::selection {
    background: var(--salsa);
    color: var(--cream-raised);
}

/* Enlace de salto: solo aparece al recibir el foco por teclado. */
.product-skip {
    position: absolute;
    top: -120px;
    left: var(--gutter);
    z-index: 30;

    padding: .75rem 1.25rem;

    background: var(--espresso);
    color: var(--cream-raised);
    border-bottom-right-radius: 16px;
    border-bottom-left-radius: 16px;

    font-size: var(--fs-small);
    font-weight: 700;

    transition: top var(--dur) ease;
}

.product-skip:focus {
    top: 0;
}

/* =========================================================
   NAVBAR
   ========================================================= */

.product-navbar {
    position: sticky;
    top: 0;
    z-index: 20;

    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;

    width: 100%;
    padding: 20px var(--gutter);

    background: var(--cream);
    border-bottom: 1px solid var(--rule-light);
}

.product-logo {
    display: flex;
    align-items: center;
    gap: 12px;

    font-family: var(--font-nova);
    font-size: 24px;
    font-weight: 700;
    letter-spacing: -1.2px;
    line-height: 1;

    color: var(--espresso);
}

/* Marca de CLASSIC.WEB: dos cuadrados girados (igual que en el catálogo). */
.nova-icon {
    position: relative;

    display: flex;
    align-items: center;
    justify-content: center;

    width: 24px;
    height: 24px;

    transform: rotate(45deg) translateY(1px);
}

.nova-icon span {
    position: absolute;
    width: 15px;
    height: 15px;
    border: 2.5px solid var(--nova-gold);
}

.nova-icon span:first-child {
    transform: translate(-3px, -3px);
}

.nova-icon span:last-child {
    transform: translate(3px, 3px);
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: .5rem;

    color: var(--ink-muted);
    font-size: var(--fs-meta);
    font-weight: 600;
    letter-spacing: .08em;
    text-transform: uppercase;

    transition: color var(--dur) ease;
}

.back-link:hover {
    color: var(--salsa);
}

/* =========================================================
   HERO DE LA FICHA
   ========================================================= */

.product-hero {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    align-items: start;
    gap: 0;

    padding: 0 0 clamp(3rem, 6vw, 5.5rem);

    background: var(--cream);
}

/* La banda espresso a sangre sostiene el copy; el preview se monta
   sobre su borde inferior, como una carta apoyada en la mesa. */
.hero-band {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
    align-items: end;
    gap: clamp(2.5rem, 5vw, 5rem);

    padding: clamp(3rem, 6vw, 5rem) var(--gutter) clamp(4rem, 7vw, 6rem);

    background: var(--espresso);
}

.product-hero-content {
    width: 100%;
    max-width: 34rem;
    color: var(--cream-raised);
}

.product-category {
    display: inline-block;
    margin-bottom: 1.5rem;

    font-size: var(--fs-meta);
    font-weight: 700;
    letter-spacing: var(--track-label);
    text-transform: uppercase;

    color: var(--butter);
}

.product-hero h1 {
    margin-bottom: 1.75rem;

    font-family: var(--font-display);
    font-variation-settings: var(--fraunces-display);
    font-size: var(--fs-display);
    font-weight: 600;
    letter-spacing: var(--track-display);
    line-height: .92;

    color: var(--cream-raised);
}

.product-description {
    max-width: 46ch;
    margin-bottom: 2.25rem;

    font-size: var(--fs-lead);
    line-height: 1.7;

    color: var(--ink-muted-dark);
}

/* Sello de la carta, anclado a la derecha de la banda. */
.band-seal {
    position: absolute;
    right: var(--gutter);
    top: clamp(2.5rem, 4vw, 3.5rem);

    padding: .6rem 1rem;

    border: 1px solid var(--rule-dark);
    border-radius: var(--r-pill);

    font-size: var(--fs-meta);
    font-weight: 700;
    letter-spacing: var(--track-label);
    text-transform: uppercase;

    color: var(--butter);
}

.product-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: .75rem;
}

.btn-primary,
.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;

    min-height: 50px;
    padding: 0 24px;

    border-radius: var(--r-pill);

    font-size: var(--fs-small);
    font-weight: 700;
    letter-spacing: .1em;
    text-transform: uppercase;

    transition:
        background-color var(--dur) ease,
        color var(--dur) ease,
        border-color var(--dur) ease;
}

.btn-primary {
    background-color: var(--salsa);
    color: var(--cream-raised);
}

.btn-primary:hover {
    background-color: var(--butter);
    color: var(--espresso);
}

.btn-secondary {
    border: 1px solid var(--rule-dark);
    color: var(--cream-raised);
}

.btn-secondary:hover {
    background-color: var(--cream-raised);
    border-color: var(--cream-raised);
    color: var(--espresso);
}

/* =========================================================
   VISTA PREVIA
   ========================================================= */

.product-preview {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 1000px;
    margin: calc(clamp(4rem, 7vw, 6rem) * -1) auto 0;

    background: var(--cream-raised);
    border: 1px solid var(--rule-light);
    border-radius: clamp(14px, 1.6vw, 24px);
    overflow: hidden;

    /* Es un objeto flotante: acá sí corresponde una sombra. */
    box-shadow: 0 34px 80px rgba(36, 26, 20, .28);
}

.browser-bar {
    display: flex;
    align-items: center;
    gap: 7px;

    height: 40px;
    padding: 0 16px;

    background: var(--paper-sunk);
    border-bottom: 1px solid var(--rule-light);
}

.browser-bar span {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: rgba(36, 26, 20, .22);
}

.browser-bar span:first-child {
    background: var(--salsa);
}

.preview-viewport {
    position: relative;
    width: 100%;
    overflow: hidden;
    background: var(--cream);
}

.product-preview iframe {
    display: block;
    border: none;
    background-color: var(--cream);
    transform-origin: top left;
}

.preview-caption {
    display: flex;
    align-items: center;
    justify-content: space-between;

    gap: 1rem;

    padding: 14px 16px;

    background: var(--espresso);
    color: var(--cream-raised);

    font-size: var(--fs-meta);
    font-weight: 600;
    letter-spacing: var(--track-label);
    text-transform: uppercase;
}

.preview-caption span:last-child {
    color: var(--butter);
    flex-shrink: 0;
}

/* =========================================================
   ENCABEZADO DE SECCIÓN
   ========================================================= */

.section-header {
    max-width: 740px;
    margin-bottom: clamp(2.5rem, 4vw, 4rem);
}

.section-header > span {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 1.25rem;

    font-size: var(--fs-meta);
    font-weight: 700;
    letter-spacing: var(--track-label);
    text-transform: uppercase;

    color: var(--salsa);
}

.section-header h2 {
    max-width: 620px;

    font-family: var(--font-display);
    font-variation-settings: var(--fraunces-display);
    font-size: var(--fs-title);
    font-weight: 600;
    letter-spacing: var(--track-display);
    line-height: 1.02;
}

.section-header h2 span {
    color: var(--salsa);
}

.section-header > p {
    max-width: 560px;
    margin-top: 1.25rem;

    font-size: var(--fs-body);
    line-height: 1.75;

    color: var(--ink-muted);
}

/* =========================================================
   QUÉ INCLUYE
   ========================================================= */

.product-features {
    padding: var(--section-pad) var(--gutter);

    background: var(--cream);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));

    border-top: 1px solid var(--rule-light-strong);
    border-left: 1px solid var(--rule-light-strong);
}

.feature-card {
    min-height: 240px;
    padding: 30px;

    border-right: 1px solid var(--rule-light-strong);
    border-bottom: 1px solid var(--rule-light-strong);

    background: transparent;

    transition: background-color var(--dur) ease;
}

.feature-card:hover {
    background: var(--cream-raised);
}

.feature-number {
    display: block;
    margin-bottom: 2rem;

    font-family: var(--font-display);
    font-variation-settings: var(--fraunces-text);
    font-size: 1rem;

    color: var(--salsa);
}

.feature-card h3 {
    margin-bottom: .6rem;

    font-family: var(--font-display);
    font-variation-settings: var(--fraunces-display);
    font-size: var(--fs-h3);
    font-weight: 600;
    letter-spacing: -.01em;
    line-height: 1.15;
}

.feature-card p {
    max-width: 32ch;

    font-size: var(--fs-note);
    line-height: 1.7;

    color: var(--ink-muted);
}

/* =========================================================
   CÓMO FUNCIONA
   ========================================================= */

.product-process {
    padding: var(--section-pad) var(--gutter);

    background: var(--espresso);
    color: var(--cream-raised);
}

.product-process .section-header > span,
.product-process .section-header h2 span {
    color: var(--salsa-light);
}

.product-process .section-header h2 {
    color: var(--cream-raised);
}

.process-list {
    border-top: 1px solid var(--rule-dark);
}

.process-item {
    display: grid;
    grid-template-columns: 92px minmax(0, 1fr);
    align-items: center;
    gap: 24px;

    min-height: 150px;
    padding: 28px 0;

    border-bottom: 1px solid var(--rule-dark);
}

.process-item > span {
    font-family: var(--font-display);
    font-variation-settings: var(--fraunces-display);
    font-size: 28px;

    color: var(--salsa-light);
}

.process-item h3 {
    margin-bottom: .4rem;

    font-family: var(--font-display);
    font-variation-settings: var(--fraunces-display);
    font-size: 1.55rem;
    font-weight: 600;
    letter-spacing: -.01em;
    line-height: 1.15;

    color: var(--cream-raised);
}

.process-item p {
    max-width: 62ch;

    font-size: var(--fs-note);
    line-height: 1.7;

    color: var(--ink-muted-dark);
}

/* =========================================================
   CTA
   ========================================================= */

.product-cta {
    padding: var(--section-pad) var(--gutter);

    background: var(--salsa);
    color: var(--cream-raised);
    text-align: center;
}

.product-cta > div {
    max-width: 850px;
    margin: 0 auto;
}

.product-cta > div > span {
    display: block;
    margin-bottom: 1.5rem;

    font-size: var(--fs-meta);
    font-weight: 700;
    letter-spacing: var(--track-label);
    text-transform: uppercase;

    color: var(--cream-raised);
}

.product-cta h2 {
    margin-bottom: 1.5rem;

    font-family: var(--font-display);
    font-variation-settings: var(--fraunces-display);
    font-size: clamp(2.4rem, 5.4vw, 4.6rem);
    font-weight: 600;
    letter-spacing: var(--track-display);
    line-height: 1;
}

.product-cta h2 span {
    color: var(--butter);
}

.product-cta p {
    max-width: 46ch;
    margin: 0 auto 2.25rem;

    font-size: var(--fs-lead);
    line-height: 1.7;

    color: var(--cream-raised);
    opacity: .92;
}

/* El botón del CTA es un .btn-primary: sobre el campo pimentón
   necesita invertirse para leerse. */
.product-cta .btn-primary {
    background-color: var(--espresso);
    color: var(--cream-raised);
}

.product-cta .btn-primary:hover {
    background-color: var(--cream-raised);
    color: var(--espresso);
}

/* =========================================================
   FOOTER
   ========================================================= */

.product-footer {
    display: flex;
    flex-wrap: wrap;
    align-items: end;
    justify-content: space-between;
    gap: 1.5rem 2.5rem;

    padding: clamp(2.5rem, 5vw, 4rem) var(--gutter) 1.75rem;

    background: var(--espresso-deep);
    color: var(--cream-raised);
}

.product-footer strong {
    display: block;
    margin-bottom: .5rem;

    font-family: var(--font-nova);
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -1px;
}

.product-footer p {
    font-size: var(--fs-small);

    color: var(--ink-muted-dark);
}

.product-footer > span {
    font-size: var(--fs-meta);
    letter-spacing: .08em;
    text-transform: uppercase;

    color: var(--ink-muted-dark);
}

/* =========================================================
   RESPONSIVE
   ========================================================= */

@media (max-width: 1000px) {
    .product-hero {
        padding-bottom: 3rem;
    }

    .hero-band {
        grid-template-columns: minmax(0, 1fr);
        gap: 2rem;
    }

    .product-hero-content {
        max-width: 42rem;
    }

    .band-seal {
        position: static;
        display: inline-block;
        margin-top: 2rem;
    }

    .product-preview {
        margin-top: -3rem;
    }

    .features-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 650px) {
    .product-navbar {
        padding: 16px var(--gutter);
    }

    .product-logo {
        font-size: 20px;
    }

    .nova-icon {
        width: 20px;
        height: 20px;
    }

    .nova-icon span {
        width: 13px;
        height: 13px;
        border-width: 2px;
    }

    .back-link {
        font-size: 11px;
        letter-spacing: .04em;
    }

    .product-hero {
        padding-bottom: 2.5rem;
    }

    .product-hero h1 {
        font-size: clamp(3rem, 15vw, 4.4rem);
    }

    .product-description {
        font-size: var(--fs-body);
    }

    .product-buttons {
        display: grid;
        grid-template-columns: minmax(0, 1fr);
    }

    .product-preview {
        margin-top: -2.5rem;
        border-radius: 14px;
    }

    .preview-caption {
        flex-direction: column;
        align-items: flex-start;
        gap: .35rem;
    }

    .product-features,
    .product-process {
        padding: 3.5rem var(--gutter);
    }

    .section-header h2 {
        font-size: clamp(1.9rem, 8vw, 2.6rem);
    }

    .features-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .feature-card {
        min-height: 0;
        padding: 24px 20px;
    }

    .feature-number {
        margin-bottom: 1.25rem;
    }

    .process-item {
        grid-template-columns: 52px minmax(0, 1fr);
        gap: 14px;
        min-height: 0;
        padding: 22px 0;
    }

    .process-item > span {
        font-size: 22px;
    }

    .process-item h3 {
        font-size: 1.3rem;
    }

    .product-cta {
        padding: 3.5rem var(--gutter);
    }

    .product-footer {
        align-items: flex-start;
        flex-direction: column;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        transition-duration: .01ms !important;
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
    }
}