/* ================================================================
   SYTEZ — styles.css
   ----------------------------------------------------------------
   Arquitectura siguiendo Sytez Standards
   (ver .claude/skills/sytez-standards/SKILL.md)

   Orden:
     1. Reset
     2. Variables (design tokens)
     3. Base
     4. Layout
     5. Componentes
     6. Utilities

   Mobile first: los estilos base son para pantallas pequeñas y se
   escala con min-width (480px, 768px, 1024px).
   ================================================================ */


/* ================================================================
   1. RESET MODERNO
   ================================================================ */

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

html {
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img,
picture,
video,
svg {
    display: block;
    max-width: 100%;
}

input,
button,
textarea,
select {
    font: inherit;
    color: inherit;
}

button {
    background: none;
    border: none;
    cursor: pointer;
}

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

ul,
ol {
    list-style: none;
}

h1, h2, h3, h4, h5, h6 {
    overflow-wrap: break-word;
    text-wrap: balance;
}

p {
    overflow-wrap: break-word;
    text-wrap: pretty;
}


/* ================================================================
   2. VARIABLES — Design Tokens
   Cambiar el tema entero debe requerir modificar solo este bloque.
   ================================================================ */

:root {
    /* ── Colores ──────────────────────────────────── */
    --color-primary:        #CE84B4;  /* rosa Sytez: CTAs y acentos */
    --color-primary-deep:   #A8638F;  /* hover y acentos de texto sobre claro */
    --color-primary-soft:   #F5E2EE;
    --color-primary-tint:   #F9EBF3;  /* fondo de tarjeta en hover */

    --color-bg:             #F6F2EE;  /* crema: fondo principal */
    --color-bg-alt:         #FFFFFF;  /* superficies blancas */
    --color-bg-dark:        #1A1A1A;  /* contacto y footer */
    --color-bg-darkest:     #0A0A0A;  /* banda del marquee */

    --color-text:           #0A0A0A;
    --color-text-soft:      #1A1A1A;
    --color-text-muted:     #6B6B6B;
    --color-text-inverse:   #F6F2EE;
    --color-text-inverse-muted: rgba(255, 255, 255, 0.6);

    --color-border:         rgba(10, 10, 10, 0.1);
    --color-border-inverse: rgba(255, 255, 255, 0.12);

    /* Superficies translúcidas: header y píldoras sobre el hero */
    --color-surface-glass:        rgba(255, 255, 255, 0.72);
    --color-surface-glass-strong: rgba(255, 255, 255, 0.92);
    /* Superficies sobre fondo oscuro (campos, íconos sociales) */
    --color-surface-inverse:       rgba(255, 255, 255, 0.05);
    --color-surface-inverse-hover: rgba(255, 255, 255, 0.08);

    --color-status-live:    #16A34A;  /* punto de "disponibles" */

    /* Verde de WhatsApp — color funcional de la plataforma, no de marca */
    --color-whatsapp:       #25D366;
    --color-whatsapp-hover: #20BD5A;
    --color-whatsapp-icon:  #FFFFFF;

    /* ── Tipografía ───────────────────────────────── */
    --font-body:   'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-accent: 'Instrument Serif', Georgia, serif;

    --text-3xs:  0.6875rem;  /* 11px — badges */
    --text-2xs:  0.75rem;    /* 12px — etiquetas en mayúsculas */
    --text-xs:   0.8125rem;  /* 13px */
    --text-sm:   0.875rem;   /* 14px — botones, nav */
    --text-base: 1rem;       /* 16px */
    --text-lg:   1.125rem;   /* 18px */
    --text-xl:   1.75rem;    /* 28px — títulos de tarjeta */
    --text-2xl:  2rem;       /* 32px */

    /* Escala fluida para titulares y cifras */
    --text-display-sm: clamp(1.4rem, 2.4vw, 2rem);
    --text-display-md: clamp(2rem, 4.5vw, 3.4rem);
    --text-display-lg: clamp(2.2rem, 5.5vw, 4.4rem);
    --text-hero:       clamp(1.8rem, 3.6vw, 4rem);

    --tracking-tightest: -0.04em;
    --tracking-tighter:  -0.035em;
    --tracking-tight:    -0.02em;
    --tracking-wide:     0.05em;
    --tracking-wider:    0.1em;
    --tracking-widest:   0.15em;

    /* ── Espaciado ────────────────────────────────── */
    --space-xs:  0.25rem;  /*   4px */
    --space-sm:  0.5rem;   /*   8px */
    --space-md:  1rem;     /*  16px */
    --space-lg:  1.5rem;   /*  24px */
    --space-xl:  2rem;     /*  32px */
    --space-2xl: 3rem;     /*  48px */
    --space-3xl: 4rem;     /*  64px */
    --space-4xl: 5rem;     /*  80px */
    --space-5xl: 7.5rem;   /* 120px */

    /* Margen lateral del contenedor (sube en desktop, ver LAYOUT) */
    --gutter: var(--space-lg);

    /* ── Radios ───────────────────────────────────── */
    --radius-md:   14px;   /* campos de formulario */
    --radius-lg:   16px;   /* imágenes dentro de tarjetas */
    --radius-xl:   20px;   /* imágenes del hero */
    --radius-2xl:  24px;   /* tarjetas */
    --radius-full: 9999px;

    /* ── Sombras ──────────────────────────────────── */
    --shadow-sm:  0 2px 20px rgba(0, 0, 0, 0.07);
    --shadow-lg:  0 20px 44px rgba(10, 10, 10, 0.16);
    --shadow-bar: 0 -8px 24px rgba(0, 0, 0, 0.1);
    --shadow-primary-sm: 0 10px 24px color-mix(in srgb, var(--color-primary) 40%, transparent);
    --shadow-primary-lg: 0 28px 60px color-mix(in srgb, var(--color-primary) 20%, transparent),
                         0 8px 20px rgba(0, 0, 0, 0.06);

    /* ── Tamaños de componentes repetidos ─────────── */
    --size-arrow: 2rem;     /* círculo de flecha en botones */

    /* ── Transiciones ─────────────────────────────── */
    --ease-out-expo:   cubic-bezier(0.16, 1, 0.3, 1);
    --ease-in-out:     cubic-bezier(0.65, 0, 0.35, 1);
    --transition-fast: 150ms ease-out;
    --transition-base: 300ms var(--ease-out-expo);
    --transition-slow: 500ms var(--ease-out-expo);
    --duration-entrance: 800ms;  /* entrada protagonista (titular del hero) */

    /* ── Layout ───────────────────────────────────── */
    --container-md: 768px;
    --container-xl: 1280px;

    /* Alto del header fijo: el hero y las anclas lo compensan */
    --header-height: 80px;

    /* Barra fija de contacto (solo mobile, ver SKILL.md sección 1) */
    --mobile-cta-bar-height: 76px;

    /* Textura de ruido del hero */
    --noise: url("data:image/svg+xml;utf8,<svg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.18 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

@media (min-width: 768px) {
    :root {
        --gutter: var(--space-xl);
    }
}

/* ── Prefers reduced motion — accesibilidad ─────────
   iteration-count: 1 evita que las animaciones infinitas (marquee,
   sticker) giren a toda velocidad con la duración reducida. */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}


/* ================================================================
   3. BASE — Estilos globales del documento
   ================================================================ */

/* ── Fuentes auto-alojadas ──────────────────────────
   En assets/fonts/ en vez de Google Fonts: evita conectarse a dos
   servidores externos antes del primer pintado (Lighthouse). Solo el
   subconjunto latin, que cubre el español. Inter es variable: un
   archivo para todos los pesos. La crítica se precarga en el <head>. */
@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 400 700;
    font-display: swap;
    src: url('assets/fonts/inter-latin-variable.woff2') format('woff2');
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
    font-family: 'Instrument Serif';
    font-style: italic;
    font-weight: 400;
    font-display: swap;
    src: url('assets/fonts/instrument-serif-italic-latin.woff2') format('woff2');
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

body {
    overflow-x: hidden;
    font-family: var(--font-body);
    color: var(--color-text);
    background-color: var(--color-bg);
}

/* Reserva espacio para que .mobile-cta-bar no tape el final */
@media (max-width: 767px) {
    body {
        padding-bottom: calc(var(--mobile-cta-bar-height) + env(safe-area-inset-bottom));
    }
}

/* Las anclas del nav no quedan tapadas por el header fijo */
[id] {
    scroll-margin-top: var(--header-height);
}

/* Focus visible — accesibilidad para navegación con teclado */
:focus-visible {
    outline: 2px solid var(--color-primary-deep);
    outline-offset: 3px;
}

/* ── Superficies del navegador (SKILL.md sección 6) ── */
::selection {
    color: var(--color-text);
    background-color: var(--color-primary);
}

input,
textarea {
    caret-color: var(--color-primary);
}

::placeholder {
    opacity: 1; /* Firefox le baja la opacidad por defecto */
}

input[type="checkbox"],
input[type="radio"],
input[type="range"],
progress {
    accent-color: var(--color-primary);
}

a {
    text-decoration-thickness: 1px;
    text-underline-offset: 0.22em;
}

html {
    scrollbar-color: var(--color-primary) var(--color-bg);
}


/* ================================================================
   4. LAYOUT — Contenedores y secciones
   ================================================================ */

.container {
    width: 100%;
    max-width: var(--container-xl);
    margin-inline: auto;
    padding-inline: var(--gutter);
}

.section {
    position: relative;
    padding-block: var(--space-4xl);
}

@media (min-width: 768px) {
    .section {
        padding-block: var(--space-5xl);
    }
}


/* ================================================================
   5. COMPONENTES
   ================================================================ */

/* ──────────────────────────────────────────────────
   BUTTON — Variantes compartidas
   ────────────────────────────────────────────────── */
.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-sm) var(--space-md) var(--space-lg);
    font-size: var(--text-sm);
    font-weight: 500;
    border-radius: var(--radius-full);
    transition: background-color var(--transition-base), color var(--transition-base),
                transform var(--transition-fast);
}

.button:active {
    transform: scale(0.97);
}

.button__arrow {
    display: grid;
    place-items: center;
    flex: none;
    width: var(--size-arrow);
    height: var(--size-arrow);
    border-radius: 50%;
    transition: transform var(--transition-base), background-color var(--transition-base),
                color var(--transition-base);
}

/* Rosa — CTA principal */
.button--primary {
    color: var(--color-text);
    background-color: var(--color-primary);
}

.button--primary .button__arrow {
    color: var(--color-primary);
    background-color: var(--color-text);
}

.button--primary:hover {
    color: var(--color-text-inverse);
    background-color: var(--color-primary-deep);
}

.button--primary:hover .button__arrow {
    color: var(--color-primary-deep);
    background-color: var(--color-text-inverse);
    transform: rotate(-45deg);
}

/* Contorno */
.button--ghost {
    padding: var(--space-md) var(--space-lg);
    color: var(--color-text);
    background-color: transparent;
    border: 1.5px solid var(--color-text);
}

.button--ghost:hover {
    color: var(--color-text-inverse);
    background-color: var(--color-text);
}

/* Oscuro — CTA del header */
.button--dark {
    padding: var(--space-sm) var(--space-sm) var(--space-sm) var(--space-lg);
    font-weight: 600;
    color: var(--color-text-inverse);
    background-color: var(--color-text);
}

.button--dark .button__arrow {
    color: var(--color-text);
    background-color: var(--color-primary);
}

.button--dark:hover {
    background-color: var(--color-primary-deep);
}

.button--dark:hover .button__arrow {
    transform: rotate(-45deg);
}



/* ──────────────────────────────────────────────────
   HEADER — Fijo, con vidrio (superficie que flota sobre el contenido)
   ────────────────────────────────────────────────── */
.site-header {
    position: fixed;
    top: 0;
    right: 0;
    left: 0;
    z-index: 100;
    padding-block: var(--space-md);
    background-color: var(--color-surface-glass);
    border-bottom: 1px solid var(--color-border);
    -webkit-backdrop-filter: blur(14px) saturate(180%);
    backdrop-filter: blur(14px) saturate(180%);
    transition: background-color var(--transition-base), box-shadow var(--transition-base);
}

.site-header.is-scrolled {
    background-color: var(--color-surface-glass-strong);
    box-shadow: var(--shadow-sm);
}

.site-header__container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.site-header__logo {
    display: flex;
    align-items: center;
}

.site-header__logo-img {
    width: auto;
    max-width: 220px;
    height: 40px;
}

/* En mobile el CTA vive en .mobile-cta-bar (SKILL.md sección 1) */
.site-header__cta {
    display: none;
}

@media (min-width: 768px) {
    .site-header__cta {
        display: inline-flex;
    }
}


/* ──────────────────────────────────────────────────
   NAVIGATION — Solo desktop: una landing no lleva menú en mobile
   ────────────────────────────────────────────────── */
.site-nav {
    display: none;
}

@media (min-width: 768px) {
    .site-nav {
        display: block;
    }
}

.site-nav__list {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs);
    background-color: color-mix(in srgb, var(--color-bg-alt) 60%, transparent);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
}

.site-nav__link {
    display: block;
    padding: var(--space-sm) var(--space-md);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text-soft);
    border-radius: var(--radius-full);
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.site-nav__link:hover {
    color: var(--color-text-inverse);
    background-color: var(--color-text);
}


/* ──────────────────────────────────────────────────
   HERO — Sección principal
   ────────────────────────────────────────────────── */
.hero {
    position: relative;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    padding-top: calc(var(--header-height) + var(--space-2xl));
    padding-bottom: var(--space-2xl);
    overflow: hidden;
}

@media (min-width: 768px) {
    .hero {
        padding-bottom: 0;
    }
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    z-index: 0;
    background: var(--noise);
    opacity: 0.5;
    pointer-events: none;
}

.hero__container {
    display: flex;
    flex: 1;
    flex-direction: column;
    justify-content: space-between;
}

/* Blobs decorativos: gradiente radial de fondo, no relleno de tarjeta */
.hero__blob {
    position: absolute;
    z-index: 0;
    width: 560px;
    height: 560px;
    background: radial-gradient(
        circle,
        color-mix(in srgb, var(--color-primary) 55%, transparent) 0%,
        color-mix(in srgb, var(--color-primary) 5%, transparent) 60%,
        transparent 80%
    );
    border-radius: 50%;
    filter: blur(50px);
    pointer-events: none;
}

.hero__blob--top {
    top: -160px;
    right: -180px;
}

.hero__blob--bottom {
    bottom: -220px;
    left: -200px;
    width: 480px;
    height: 480px;
    opacity: 0.6;
}

.hero__layout {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
    align-items: stretch;
}

@media (min-width: 1024px) {
    .hero__layout {
        grid-template-columns: 1.1fr 1fr;
        margin-top: var(--space-2xl);
    }
}

.hero__content {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.hero__tag-row {
    display: flex;
    align-items: center;
    margin-bottom: var(--space-lg);
}

.hero__tag {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    font-size: var(--text-2xs);
    font-weight: 600;
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
    background-color: color-mix(in srgb, var(--color-bg-alt) 70%, transparent);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
}

.hero__tag-dot {
    flex: none;
    width: 6px;
    height: 6px;
    background-color: var(--color-status-live);
    border-radius: 50%;
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-status-live) 20%, transparent);
    animation: pulse 1.6s ease-in-out infinite;
}

.hero__title {
    position: relative;
    z-index: 2;
    margin-bottom: var(--space-lg);
    font-size: var(--text-hero);
    font-weight: 700;
    line-height: 1;
    letter-spacing: var(--tracking-tightest);
}

.hero__subtitle {
    max-width: 560px;
    font-size: var(--text-lg);
    line-height: 1.55;
    color: var(--color-text-soft);
}

.hero__subtitle strong {
    font-weight: 600;
}

/* En mobile se ocultan: .mobile-cta-bar ya ofrece el CTA siempre a la vista */
.hero__actions {
    display: none;
    flex-wrap: wrap;
    gap: var(--space-md);
    margin-top: var(--space-xl);
}

@media (min-width: 768px) {
    .hero__actions {
        display: flex;
    }
}

/* Imágenes flotantes */
.hero__visuals {
    position: relative;
    align-self: stretch;
    max-width: 540px;
    min-height: 360px;
}

@media (min-width: 1024px) {
    .hero__visuals {
        max-width: none;
        min-height: 420px;
    }
}

.hero__image {
    position: absolute;
    overflow: hidden;
    background-color: var(--color-bg-alt);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.hero__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero__image--main {
    top: 0;
    right: 0;
    z-index: 2;
    width: 82%;
    height: 72%;
    animation: float-a 7s ease-in-out infinite;
}

.hero__image--secondary {
    bottom: 0;
    left: 0;
    z-index: 3;
    width: 58%;
    height: 50%;
    border: 5px solid var(--color-bg);
    animation: float-b 8s ease-in-out infinite;
}

/* Sticker giratorio */
.hero__sticker {
    position: absolute;
    right: -10px;
    bottom: 32%;
    z-index: 4;
    display: grid;
    place-items: center;
    width: 80px;
    height: 80px;
    font-family: var(--font-accent);
    font-size: var(--text-2xs);
    font-style: italic;
    font-weight: 400;
    line-height: 1.1;
    color: var(--color-text);
    text-align: center;
    background-color: var(--color-primary);
    border-radius: 50%;
    box-shadow: var(--shadow-primary-sm);
    animation: spin 18s linear infinite;
}

@media (min-width: 480px) {
    .hero__sticker {
        width: 90px;
        height: 90px;
        font-size: var(--text-xs);
    }
}

.hero__sticker::after {
    content: '';
    position: absolute;
    inset: var(--space-sm);
    border: 1px dashed var(--color-text);
    border-radius: 50%;
    opacity: 0.4;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%      { opacity: 0.5; transform: scale(1.4); }
}

@keyframes float-a {
    0%, 100% { transform: translateY(0) rotate(2deg); }
    50%      { transform: translateY(-14px) rotate(2deg); }
}

@keyframes float-b {
    0%, 100% { transform: translateY(0) rotate(-3deg); }
    50%      { transform: translateY(12px) rotate(-3deg); }
}

@keyframes spin {
    from { transform: rotate(0); }
    to   { transform: rotate(360deg); }
}


/* ──────────────────────────────────────────────────
   METRICS — Franja de cifras al pie del hero
   ────────────────────────────────────────────────── */
.metrics {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    margin-top: var(--space-2xl);
    padding-block: var(--space-lg);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

@media (min-width: 768px) {
    .metrics {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (min-width: 1024px) {
    .metrics {
        margin-top: 0;
    }
}

.metrics__item {
    padding: var(--space-lg);
}

.metrics__item:nth-child(odd) {
    border-right: 1px solid var(--color-border);
}

.metrics__item:nth-child(-n+2) {
    border-bottom: 1px solid var(--color-border);
}

@media (min-width: 768px) {
    .metrics__item {
        padding: 0 var(--space-xl);
        border-right: 1px solid var(--color-border);
    }

    .metrics__item:nth-child(-n+2) {
        border-bottom: none;
    }

    .metrics__item:last-child {
        border-right: none;
    }
}

.metrics__number {
    display: flex;
    align-items: flex-start;
    gap: var(--space-xs);
    font-size: var(--text-display-md);
    font-weight: 700;
    line-height: 1;
    letter-spacing: var(--tracking-tighter);
}

.metrics__suffix {
    font-family: var(--font-accent);
    font-size: 0.7em;
    font-style: italic;
    font-weight: 400;
    color: var(--color-primary);
}

.metrics__label {
    margin-top: var(--space-sm);
    font-size: var(--text-xs);
    font-weight: 500;
    letter-spacing: var(--tracking-wide);
    color: var(--color-text-muted);
    text-transform: uppercase;
}


/* ──────────────────────────────────────────────────
   MARQUEE — Banda de servicios animada
   ────────────────────────────────────────────────── */
.marquee {
    margin-top: var(--space-3xl);
    padding-block: var(--space-lg);
    overflow: hidden;
    color: var(--color-text-inverse);
    background-color: var(--color-bg-darkest);
}

.marquee__track {
    display: flex;
    gap: var(--space-2xl);
    width: max-content;
    white-space: nowrap;
    animation: scroll 28s linear infinite;
}

.marquee__group {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2xl);
    font-size: var(--text-display-md);
    font-weight: 600;
    letter-spacing: var(--tracking-tighter);
}

.marquee__star {
    display: inline-block;
    color: var(--color-primary);
    animation: spin 4s linear infinite;
}

@keyframes scroll {
    from { transform: translateX(0); }
    to   { transform: translateX(-50%); }
}


/* ──────────────────────────────────────────────────
   SECTION HEAD — Encabezado compartido de sección
   ────────────────────────────────────────────────── */
.section-head {
    max-width: 1000px;
    margin-bottom: var(--space-3xl);
}

.section-head__eyebrow {
    display: inline-block;
    margin-bottom: var(--space-lg);
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: var(--tracking-widest);
    color: var(--color-text-soft);
    text-transform: uppercase;
}

.section-head__title {
    max-width: 900px;
    font-size: var(--text-display-lg);
    font-weight: 700;
    line-height: 1.05;
    letter-spacing: var(--tracking-tighter);
}

.section-head__meta {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    justify-content: space-between;
    gap: var(--space-xl);
    margin-top: var(--space-lg);
}

.section-head__lead {
    max-width: 480px;
    color: var(--color-text-soft);
}

/* Variante sobre fondo oscuro (Contacto) */
.section-head--inverse .section-head__eyebrow,
.section-head--inverse .section-head__title {
    color: var(--color-text-inverse);
}

.section-head--inverse .section-head__lead {
    color: var(--color-text-inverse-muted);
}


/* ──────────────────────────────────────────────────
   SERVICES — Tres tarjetas de servicio
   ────────────────────────────────────────────────── */
.services {
    background-color: var(--color-bg);
}

.services__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
}

@media (min-width: 768px) {
    .services__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .services__grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.service-card {
    position: relative;
    display: flex;
    flex-direction: column;
    min-height: 480px;
    padding: var(--space-xl);
    overflow: hidden;
    background-color: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    transition: transform var(--transition-slow), background-color var(--transition-slow),
                box-shadow var(--transition-slow), border-color var(--transition-slow);
}

.service-card:hover {
    background-color: var(--color-primary-tint);
    border-color: color-mix(in srgb, var(--color-primary) 35%, transparent);
    box-shadow: var(--shadow-primary-lg);
    transform: translateY(-10px);
}

.service-card__media {
    position: relative;
    width: 100%;
    margin-bottom: var(--space-lg);
    overflow: hidden;
    aspect-ratio: 4 / 3;
    border-radius: var(--radius-lg);
}

.service-card__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.service-card:hover .service-card__img {
    transform: scale(1.06);
}

.service-card__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        color-mix(in srgb, var(--color-primary) 50%, transparent) 0%,
        color-mix(in srgb, var(--color-primary) 10%, transparent) 100%
    );
    mix-blend-mode: multiply;
    transition: opacity var(--transition-slow);
}

.service-card:hover .service-card__overlay {
    opacity: 0.3;
}

.service-card__title {
    margin-bottom: var(--space-md);
    font-size: var(--text-xl);
    font-weight: 600;
    line-height: 1.1;
    letter-spacing: var(--tracking-tight);
}

.service-card__text {
    flex: 1;
    font-size: var(--text-sm);
    line-height: 1.6;
}

.service-card__cta {
    display: inline-flex;
    align-items: center;
    align-self: flex-start;
    gap: var(--space-sm);
    margin-top: var(--space-lg);
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: var(--tracking-wide);
    color: var(--color-primary-deep);
    text-transform: uppercase;
}

.service-card__cta .button__arrow {
    width: 30px;
    height: 30px;
    color: var(--color-text);
    background-color: var(--color-primary);
}

.service-card:hover .service-card__cta .button__arrow {
    color: var(--color-text-inverse);
    background-color: var(--color-primary-deep);
    transform: rotate(-45deg);
}


/* ──────────────────────────────────────────────────
   PORTFOLIO — Slider de proyectos
   script.js mueve el track con --portfolio-offset y la barra con
   --portfolio-progress (custom properties, no estilos directos).
   ────────────────────────────────────────────────── */
.portfolio {
    background-color: var(--color-bg-alt);
}

.portfolio__viewport {
    position: relative;
    margin-inline: calc(var(--gutter) * -1);
    padding-inline: var(--gutter);
    overflow: hidden;
}

.portfolio__track {
    --portfolio-gap: var(--space-lg);
    display: flex;
    gap: var(--portfolio-gap);
    transform: translateX(var(--portfolio-offset, 0px));
    transition: transform var(--transition-slow);
}

.portfolio-card {
    position: relative;
    display: block;
    flex: 0 0 100%;
    overflow: hidden;
    color: inherit;
    background-color: var(--color-bg);
    border-radius: var(--radius-2xl);
    transition: transform var(--transition-slow);
}

@media (min-width: 768px) {
    .portfolio-card {
        flex-basis: calc((100% - var(--portfolio-gap)) / 2);
    }
}

@media (min-width: 1024px) {
    .portfolio-card {
        flex-basis: calc((100% - var(--portfolio-gap) * 2) / 3);
    }
}

.portfolio-card:hover {
    transform: translateY(-6px);
}

.portfolio-card:focus-visible {
    outline-offset: -3px;
}

.portfolio-card__media {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4 / 5;
}

.portfolio-card__media::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 50%, color-mix(in srgb, var(--color-text) 70%, transparent) 100%);
}

.portfolio-card__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.portfolio-card:hover .portfolio-card__img {
    transform: scale(1.06);
}

.portfolio-card__overlay {
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 2;
    padding: var(--space-xl);
    color: var(--color-text-inverse);
}

.portfolio-card__tag {
    display: inline-block;
    margin-bottom: var(--space-md);
    padding: 6px var(--space-md);
    font-size: var(--text-3xs);
    font-weight: 600;
    letter-spacing: var(--tracking-wider);
    text-transform: uppercase;
    background-color: rgba(255, 255, 255, 0.18);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: var(--radius-full);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
}

.portfolio-card__title {
    margin-bottom: var(--space-sm);
    font-size: var(--text-xl);
    font-weight: 600;
    line-height: 1.1;
    letter-spacing: var(--tracking-tight);
}

.portfolio-card__text {
    max-width: 90%;
    font-size: var(--text-xs);
    line-height: 1.5;
    opacity: 0.8;
}

.portfolio-card__badge {
    position: absolute;
    top: 14px;
    left: 14px;
    z-index: 5;
    padding: var(--space-xs) var(--space-md);
    font-size: var(--text-3xs);
    font-weight: 700;
    letter-spacing: var(--tracking-wider);
    color: var(--color-text);
    text-transform: uppercase;
    background-color: var(--color-primary);
    border-radius: var(--radius-full);
}

.portfolio-card__visit {
    position: absolute;
    top: 20px;
    right: 20px;
    z-index: 3;
    display: grid;
    place-items: center;
    width: 48px;
    height: 48px;
    color: var(--color-text);
    background-color: var(--color-primary);
    border-radius: 50%;
    opacity: 0;
    transform: scale(0.8);
    transition: opacity var(--transition-base), transform var(--transition-base);
}

.portfolio-card:hover .portfolio-card__visit,
.portfolio-card:focus-visible .portfolio-card__visit {
    opacity: 1;
    transform: scale(1);
}

.portfolio__controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-lg);
    margin-top: var(--space-2xl);
}

.portfolio__progress {
    flex: 1;
    max-width: 300px;
    height: 2px;
    background-color: var(--color-border);
}

.portfolio__progress-fill {
    height: 100%;
    background-color: var(--color-text);
    transform: scaleX(var(--portfolio-progress, 0.33));
    transform-origin: left;
    transition: transform var(--transition-slow);
}

.portfolio__buttons {
    display: flex;
    gap: var(--space-md);
}

.portfolio__button {
    display: grid;
    place-items: center;
    width: 58px;
    height: 58px;
    color: var(--color-text);
    background-color: transparent;
    border: 1.5px solid var(--color-text);
    border-radius: 50%;
    transition: background-color var(--transition-base), color var(--transition-base),
                transform var(--transition-fast);
}

.portfolio__button svg {
    width: 18px;
    height: 18px;
}

.portfolio__button:hover:not(:disabled) {
    color: var(--color-primary);
    background-color: var(--color-text);
    transform: scale(1.05);
}

.portfolio__button:active:not(:disabled) {
    transform: scale(0.97);
}

.portfolio__button:disabled {
    cursor: not-allowed;
    opacity: 0.3;
}

.portfolio__foot {
    margin-top: var(--space-3xl);
    font-size: var(--text-display-sm);
    font-weight: 500;
    letter-spacing: var(--tracking-tight);
    text-align: center;
}

.portfolio__foot-link {
    padding-bottom: 2px;
    color: var(--color-primary-deep);
    border-bottom: 2px solid var(--color-primary);
    transition: opacity var(--transition-fast);
}

.portfolio__foot-link:hover {
    opacity: 0.7;
}


/* ──────────────────────────────────────────────────
   CLIENTS — Ticker infinito de logos
   ────────────────────────────────────────────────── */
.clients {
    padding-block: var(--space-4xl);
    background-color: var(--color-bg);
}

.clients__marquee {
    margin-top: var(--space-3xl);
    overflow: hidden;
    -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
    mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}

.clients__track {
    display: flex;
    align-items: center;
    gap: var(--space-4xl);
    width: max-content;
    animation: scroll 35s linear infinite;
}

.clients__marquee:hover .clients__track {
    animation-play-state: paused;
}

.clients__logo {
    flex-shrink: 0;
    width: auto;
    height: 50px;
    filter: brightness(0);
    opacity: 0.5;
    transition: opacity var(--transition-base);
}

.clients__logo:hover {
    opacity: 1;
}


/* ──────────────────────────────────────────────────
   INSTAGRAM — Bento grid
   ────────────────────────────────────────────────── */
.instagram {
    background-color: var(--color-bg-alt);
}

.instagram__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: repeat(4, 180px);
    gap: var(--space-md);
}

@media (min-width: 768px) {
    .instagram__grid {
        grid-template-columns: repeat(3, 1fr);
        grid-template-rows: repeat(3, 200px);
    }
}

@media (min-width: 1024px) {
    .instagram__grid {
        grid-template-columns: repeat(4, 1fr);
        grid-template-rows: repeat(2, 240px);
    }
}

.instagram__tile {
    position: relative;
    display: block;
    overflow: hidden;
    border-radius: var(--radius-lg);
    transition: transform var(--transition-slow);
}

.instagram__tile--featured {
    grid-row: span 2;
    grid-column: span 2;
}

.instagram__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.instagram__tile::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent 0%, color-mix(in srgb, var(--color-text) 50%, transparent) 100%);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.instagram__tile:hover {
    transform: scale(0.985);
}

.instagram__tile:hover .instagram__img {
    transform: scale(1.08);
}

.instagram__tile:hover::after,
.instagram__tile:focus-visible::after {
    opacity: 1;
}

.instagram__icon {
    position: absolute;
    top: 50%;
    left: 50%;
    z-index: 2;
    display: grid;
    place-items: center;
    width: 54px;
    height: 54px;
    color: var(--color-text);
    background-color: var(--color-surface-glass-strong);
    border-radius: 50%;
    opacity: 0;
    transform: translate(-50%, -50%) scale(0.7);
    transition: opacity var(--transition-base), transform var(--transition-base);
}

.instagram__tile:hover .instagram__icon,
.instagram__tile:focus-visible .instagram__icon {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

.instagram__cta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-lg);
    margin-top: var(--space-2xl);
}

.instagram__cta-text {
    max-width: 520px;
    font-size: var(--text-lg);
    line-height: 1.55;
}

.instagram__cta-text strong {
    font-weight: 600;
}


/* ──────────────────────────────────────────────────
   CONTACT — Datos de contacto y formulario (Web3Forms)
   ────────────────────────────────────────────────── */
.contact {
    overflow: hidden;
    color: var(--color-text-inverse);
    background-color: var(--color-bg-dark);
}

.contact::before {
    content: '';
    position: absolute;
    top: -200px;
    right: -200px;
    width: 520px;
    height: 520px;
    background: radial-gradient(circle, color-mix(in srgb, var(--color-primary) 40%, transparent) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(60px);
}

.contact :focus-visible {
    outline-color: var(--color-primary);
}

.contact__grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

@media (min-width: 1024px) {
    .contact__grid {
        grid-template-columns: 1.2fr 1fr;
    }
}

.contact__info {
    display: flex;
    flex-direction: column;
}

.contact__row {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-sm);
    align-items: center;
    padding-block: var(--space-lg);
    border-bottom: 1px solid var(--color-border-inverse);
}

.contact__row:first-child {
    border-top: 1px solid var(--color-border-inverse);
}

@media (min-width: 768px) {
    .contact__row {
        grid-template-columns: 130px 1fr;
        gap: var(--space-lg);
        padding-block: var(--space-xl);
    }
}

.contact__label {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--text-2xs);
    font-weight: 500;
    letter-spacing: var(--tracking-wider);
    color: var(--color-text-inverse-muted);
    text-transform: uppercase;
}

.contact__icon {
    flex: none;
    width: 18px;
    height: 18px;
    color: var(--color-primary);
}

.contact__value {
    font-size: var(--text-display-sm);
    font-weight: 500;
    letter-spacing: var(--tracking-tight);
    color: var(--color-text-inverse);
}

.contact__link {
    transition: color var(--transition-fast);
}

.contact__link:hover {
    color: var(--color-primary);
}

/* Formulario */
.contact-form {
    padding: var(--space-xl);
    background-color: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--color-border-inverse);
    border-radius: var(--radius-2xl);
}

@media (min-width: 480px) {
    .contact-form {
        padding: var(--space-2xl);
    }
}

.contact-form__title {
    margin-bottom: var(--space-sm);
    font-size: var(--text-2xl);
    font-weight: 600;
    line-height: 1.1;
    letter-spacing: var(--tracking-tight);
}

.contact-form__subtitle {
    margin-bottom: var(--space-xl);
    font-size: var(--text-sm);
    color: var(--color-text-inverse-muted);
}

.contact-form__row {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-md);
}

@media (min-width: 768px) {
    .contact-form__row {
        grid-template-columns: 1fr 1fr;
    }
}

.contact-form__field {
    margin-bottom: var(--space-md);
}

.contact-form__input {
    width: 100%;
    padding: var(--space-md) var(--space-lg);
    font-size: var(--text-base);
    color: var(--color-text-inverse);
    background-color: var(--color-surface-inverse);
    border: 1px solid var(--color-border-inverse);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.contact-form__input::placeholder {
    color: var(--color-text-inverse-muted);
}

.contact-form__input:focus {
    outline: none;
    background-color: var(--color-surface-inverse-hover);
    border-color: var(--color-primary);
}

.contact-form__input--select {
    padding-right: var(--space-2xl);
    cursor: pointer;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='rgba(255,255,255,0.6)' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'><polyline points='6 9 12 15 18 9'/></svg>");
    background-repeat: no-repeat;
    background-position: right 18px center;
    -webkit-appearance: none;
    appearance: none;
}

/* Opción vacía ("Servicio que buscas") con el color del placeholder */
.contact-form__input--select:invalid {
    color: var(--color-text-inverse-muted);
}

.contact-form__input--select option {
    color: var(--color-text-inverse);
    background-color: var(--color-bg-dark);
}

.contact-form__input--textarea {
    min-height: 130px;
    resize: vertical;
}

.contact-form__submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    width: 100%;
    margin-top: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--color-text);
    background-color: var(--color-primary);
    border-radius: var(--radius-full);
    transition: background-color var(--transition-base), transform var(--transition-fast);
}

.contact-form__submit .button__arrow {
    color: var(--color-primary);
    background-color: var(--color-text);
}

.contact-form__submit:hover {
    background-color: var(--color-text-inverse);
    transform: translateY(-2px);
}

.contact-form__submit:hover .button__arrow {
    transform: rotate(-45deg);
}

.contact-form__submit:active {
    transform: scale(0.98);
}

.contact-form__submit:disabled {
    cursor: not-allowed;
    opacity: 0.5;
}

.contact-form__legal {
    margin-top: var(--space-md);
    font-size: var(--text-xs);
    color: var(--color-text-inverse-muted);
    text-align: center;
}

.contact-form__legal a {
    text-decoration: underline;
}

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


/* ──────────────────────────────────────────────────
   FOOTER
   ────────────────────────────────────────────────── */
.site-footer {
    position: relative;
    padding: var(--space-3xl) 0 var(--space-xl);
    overflow: hidden;
    color: var(--color-text-inverse);
    background-color: var(--color-bg-dark);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.site-footer :focus-visible {
    outline-color: var(--color-primary);
}

.site-footer__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

@media (min-width: 768px) {
    .site-footer__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .site-footer__grid {
        grid-template-columns: 1.4fr 1fr 1fr 1fr;
    }
}

.site-footer__logo {
    display: inline-flex;
    margin-bottom: var(--space-md);
}

.site-footer__logo-img {
    width: auto;
    height: 56px;
}

.site-footer__tagline {
    max-width: 320px;
    font-size: var(--text-sm);
    line-height: 1.6;
    color: var(--color-text-inverse-muted);
}

.site-footer__heading {
    margin-bottom: var(--space-lg);
    font-size: var(--text-2xs);
    font-weight: 600;
    letter-spacing: var(--tracking-widest);
    color: var(--color-text-inverse);
    text-transform: uppercase;
}

.site-footer__list li + li {
    margin-top: var(--space-md);
}

.site-footer__link {
    display: inline-block;
    font-size: var(--text-base);
    color: var(--color-text-inverse-muted);
    transition: color var(--transition-fast), transform var(--transition-fast);
}

.site-footer__link:hover {
    color: var(--color-primary);
    transform: translateX(6px);
}

.site-footer__social {
    display: flex;
    gap: var(--space-sm);
}

.site-footer__social-link {
    display: grid;
    place-items: center;
    width: 42px;
    height: 42px;
    color: var(--color-text-inverse);
    background-color: var(--color-surface-inverse);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 50%;
    transition: background-color var(--transition-base), color var(--transition-base),
                border-color var(--transition-base), transform var(--transition-base);
}

.site-footer__social-link svg {
    width: 18px;
    height: 18px;
}

.site-footer__social-link:hover {
    color: var(--color-text);
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    transform: translateY(-3px);
}

.site-footer__bottom {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    padding-top: var(--space-lg);
    font-size: var(--text-xs);
    color: var(--color-text-inverse-muted);
    border-top: 1px solid var(--color-border-inverse);
}

.site-footer__legal {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.site-footer__bottom a {
    color: var(--color-primary);
    transition: opacity var(--transition-fast);
}

.site-footer__bottom a:hover {
    opacity: 0.75;
}


/* ──────────────────────────────────────────────────
   BARRA FIJA DE CONTACTO — solo mobile (<768px)
   Reemplaza al menú hamburguesa: en una landing el único camino en
   mobile es el CTA (SKILL.md sección 1). Estática, nunca se abre.
   ────────────────────────────────────────────────── */
.mobile-cta-bar {
    position: fixed;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 90;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    height: calc(var(--mobile-cta-bar-height) + env(safe-area-inset-bottom));
    padding: var(--space-sm) var(--space-md);
    padding-bottom: calc(var(--space-sm) + env(safe-area-inset-bottom));
    background-color: var(--color-bg-alt);
    box-shadow: var(--shadow-bar);
}

@media (min-width: 768px) {
    .mobile-cta-bar {
        display: none;
    }
}

.mobile-cta-bar__primary {
    display: flex;
    flex: 1;
    align-items: center;
    justify-content: center;
    height: 48px;
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-text);
    background-color: var(--color-primary);
    border-radius: var(--radius-full);
    transition: transform var(--transition-fast), background-color var(--transition-fast);
}

.mobile-cta-bar__whatsapp {
    display: flex;
    flex: none;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    color: var(--color-whatsapp-icon);
    background-color: var(--color-whatsapp);
    border-radius: var(--radius-full);
    transition: transform var(--transition-fast), background-color var(--transition-fast);
}

.mobile-cta-bar__primary:active,
.mobile-cta-bar__whatsapp:active {
    transform: scale(0.97);
}

@media (hover: hover) {
    .mobile-cta-bar__primary:hover {
        background-color: var(--color-primary-deep);
    }

    .mobile-cta-bar__whatsapp:hover {
        background-color: var(--color-whatsapp-hover);
    }
}


/* ──────────────────────────────────────────────────
   PÁGINA DE ESTADO — 404 y /gracias/ comparten este patrón
   ────────────────────────────────────────────────── */
.status-page {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: var(--space-xl) var(--gutter);
    overflow: hidden;
    text-align: center;
}

.status-page__container {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
    max-width: 640px;
}

.status-page__logo-img {
    width: auto;
    height: 40px;
    margin-bottom: var(--space-xl);
}

.status-page__code {
    font-size: var(--text-display-lg);
    font-weight: 700;
    line-height: 1;
    letter-spacing: var(--tracking-tighter);
    color: var(--color-primary-deep);
}

.status-page__title {
    font-size: var(--text-display-sm);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: var(--tracking-tight);
}

.status-page__text {
    max-width: 480px;
    color: var(--color-text-soft);
}

.status-page__actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-md);
    margin-top: var(--space-md);
}


/* ──────────────────────────────────────────────────
   CONTENT — Páginas de texto (aviso de privacidad)
   ────────────────────────────────────────────────── */
.content--page-start {
    padding-top: calc(var(--header-height) + var(--space-3xl));
}


/* ================================================================
   6. UTILITIES
   ================================================================ */

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Reveal al hacer scroll (script.js → initRevealOnScroll).
   Solo se esconde con la clase .js en <html>: si el JavaScript no
   carga, el contenido se ve normal, sin animación. */
.js .reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity var(--duration-entrance) var(--ease-out-expo),
                transform var(--duration-entrance) var(--ease-out-expo);
}

.js .reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Reveal por líneas: la entrada protagonista del titular del hero */
/* padding + margin negativo: deja espacio a los descendentes (g, p)
   sin que overflow: hidden los recorte, y sin cambiar el interlineado */
.reveal-line {
    display: block;
    margin-bottom: -0.1em;
    padding-bottom: 0.1em;
    overflow: hidden;
}

.reveal-line__inner {
    display: inline-block;
}

.js .reveal-line .reveal-line__inner {
    transform: translateY(105%);
    transition: transform var(--duration-entrance) var(--ease-out-expo);
}

.js .reveal-line.is-visible .reveal-line__inner {
    transform: translateY(0);
}

.js .reveal-line.is-visible .reveal-line__inner--delay-1 { transition-delay: 0.12s; }
.js .reveal-line.is-visible .reveal-line__inner--delay-2 { transition-delay: 0.24s; }

/* Contenido de formato largo (aviso de privacidad) */
.prose {
    max-width: var(--container-md);
    line-height: 1.7;
}

.prose > * + * {
    margin-top: var(--space-md);
}

.prose > h1 {
    font-size: var(--text-display-lg);
    line-height: 1.05;
    letter-spacing: var(--tracking-tighter);
}

.prose > h2 {
    margin-top: var(--space-2xl);
    font-size: var(--text-xl);
    letter-spacing: var(--tracking-tight);
}

.prose a {
    color: var(--color-primary-deep);
    text-decoration: underline;
}

/* Honeypot anti-spam del formulario (ver lanzamiento/SKILL.md sección 8).
   Invisible también para lectores de pantalla: en el HTML lleva además
   aria-hidden y tabindex="-1". */
.botcheck {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}