/* =========================================================
   Aonnix — Hoja de estilos global
   Mobile-first. CSS vanilla. Sin frameworks.
   ========================================================= */

:root {
    /* ---------- AONNIX brand tokens — Phase 1 (Minimal Tech Modular) ---------- */
    --aonnix-graphite: #0D0D0F;
    --aonnix-soft-white: #F5F5F3;
    --aonnix-premium-blue: #2563EB;
    --aonnix-cold-silver: #A1A1AA;
    --aonnix-creative-accent: #8B5CF6;

    /* División accents */
    --aonnix-dev: #2563EB;
    --aonnix-studio: #8B5CF6;
    --aonnix-music: #EC4899;
    --aonnix-creative: #2DD4BF;

    /* ---------- Tokens semánticos (modo claro por defecto) ---------- */
    --bg: var(--aonnix-soft-white);
    --bg-elev: #ffffff;
    --bg-soft: #fafafa;
    --fg: var(--aonnix-graphite);
    --fg-muted: #4b4b52;
    --fg-faint: var(--aonnix-cold-silver);
    --line: #e6e6ea;
    --accent: var(--aonnix-premium-blue);
    --accent-soft: #1d4ed8;
    --highlight: var(--aonnix-creative-accent);

    /* Radii: brand kit define 24px para cards y 12px para buttons */
    --radius: 24px;
    --radius-button: 12px;

    --maxw: 1200px;
    --space-1: 0.5rem;
    --space-2: 1rem;
    --space-3: 1.5rem;
    --space-4: 2.5rem;
    --space-5: 4rem;
    --space-6: 6rem;
    --t-fast: 0.18s ease;
    --t-base: 0.3s ease;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: var(--aonnix-graphite);
        --bg-elev: #131316;
        --bg-soft: #101013;
        --fg: var(--aonnix-soft-white);
        --fg-muted: #b8b8c0;
        --fg-faint: var(--aonnix-cold-silver);
        --line: #1d1d22;
        --accent: var(--aonnix-premium-blue);
        --accent-soft: #3b82f6;
        --highlight: var(--aonnix-creative-accent);
    }
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: "Inter", "Manrope", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    background: var(--bg);
    color: var(--fg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    font-feature-settings: "ss01", "cv11"; /* Inter: stylistic alts y tabular numerals donde existen */
}

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

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

/* ---------- Layout helpers ---------- */
.container {
    width: 100%;
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 0 1.25rem;
}

section {
    padding: var(--space-5) 0;
}

@media (min-width: 768px) {
    section {
        padding: var(--space-6) 0;
    }
}

/* ---------- Navegación ---------- */
.nav {
    position: sticky;
    top: 0;
    z-index: 50;
    background: color-mix(in srgb, var(--bg) 88%, transparent);
    backdrop-filter: saturate(160%) blur(10px);
    -webkit-backdrop-filter: saturate(160%) blur(10px);
    border-bottom: 1px solid var(--line);
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    max-width: var(--maxw);
    margin: 0 auto;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.7rem;
    color: var(--fg);
    text-decoration: none;
}

.brand-mark {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
    /* color = currentColor → la pierna derecha del isotipo hereda el fg de la página (graphite en claro, soft-white en oscuro) */
}

.brand-text {
    font-family: "Inter", "Manrope", system-ui, sans-serif;
    font-weight: 700;
    font-size: 1.1rem;
    letter-spacing: 0.22em;
    line-height: 1;
}

/* Variante wordmark-only (sin isotipo): texto ligeramente más prominente */
.brand--wordmark .brand-text {
    font-size: 1.2rem;
    letter-spacing: 0.28em;
}

.nav-links {
    display: none;
    gap: 1.75rem;
    align-items: center;
}

.nav-links a {
    font-size: 0.85rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--fg-muted);
    transition: color var(--t-fast);
}

.nav-links a:hover {
    color: var(--fg);
}

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

/* ---------- Hero ---------- */
.hero {
    padding: var(--space-6) 0 var(--space-6);
    position: relative;
    overflow: hidden;
}

/* Subtle radial glow behind hero (AONNIX premium tech vibe) */
.hero::before {
    content: "";
    position: absolute;
    top: -200px;
    left: 50%;
    transform: translateX(-50%);
    width: 1200px;
    height: 800px;
    background: radial-gradient(ellipse at center, rgba(37, 99, 235, 0.18), transparent 60%);
    pointer-events: none;
    z-index: 0;
}

.hero > .container {
    position: relative;
    z-index: 1;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.15fr 1fr;
    gap: 4rem;
    align-items: center;
}

@media (max-width: 900px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

.hero-eyebrow {
    display: inline-block;
    font-size: 0.72rem;
    letter-spacing: 0.32em;
    text-transform: uppercase;
    color: var(--accent);
    font-weight: 600;
    margin-bottom: 1.5rem;
    padding: 0.4rem 0.85rem;
    border: 1px solid rgba(37, 99, 235, 0.35);
    border-radius: 999px;
    background: rgba(37, 99, 235, 0.08);
}

.hero h1 {
    font-size: clamp(2.6rem, 7vw, 5.5rem);
    line-height: 0.98;
    letter-spacing: -0.03em;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.hero h1 .accent {
    color: var(--accent);
    font-weight: 700;
}

.hero-lead {
    font-size: clamp(1.05rem, 1.3vw, 1.2rem);
    color: var(--fg-muted);
    max-width: 56ch;
    margin-bottom: 2.5rem;
    line-height: 1.65;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.85rem;
}

.hero-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-cubes {
    width: 100%;
    max-width: 540px;
    height: auto;
    filter: drop-shadow(0 30px 60px rgba(37, 99, 235, 0.25));
}

@media (max-width: 900px) {
    .hero-cubes {
        max-width: 380px;
    }
}

/* ---------- Botones (AONNIX premium CTA) ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 1.8rem;
    border-radius: var(--radius-button);
    font-size: 0.78rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    font-weight: 600;
    border: 1px solid var(--line);
    transition: background var(--t-base), color var(--t-base), border-color var(--t-base), transform var(--t-fast), box-shadow var(--t-base);
}

.btn-primary {
    background: var(--accent);
    color: var(--aonnix-soft-white);
    border-color: var(--accent);
    box-shadow: 0 8px 24px rgba(37, 99, 235, 0.25);
}

.btn-primary:hover {
    background: var(--accent-soft);
    border-color: var(--accent-soft);
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(37, 99, 235, 0.35);
}

.btn-ghost {
    background: transparent;
    color: var(--fg);
    border-color: var(--fg-faint);
}

.btn-ghost:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* ---------- Bloques de sección ---------- */
.section-label {
    font-size: 0.72rem;
    letter-spacing: 0.32em;
    text-transform: uppercase;
    color: var(--fg-faint);
    margin-bottom: 1.25rem;
}

h2.section-title {
    font-size: clamp(1.7rem, 4vw, 2.5rem);
    line-height: 1.15;
    letter-spacing: -0.01em;
    font-weight: 600;
    margin-bottom: 1rem;
    max-width: 28ch;
}

.section-lead {
    color: var(--fg-muted);
    max-width: 60ch;
    margin-bottom: 2.5rem;
}

/* ---------- About ---------- */
.about {
    border-top: 1px solid var(--line);
}

.about-grid {
    display: grid;
    gap: 2rem;
}

@media (min-width: 880px) {
    .about-grid {
        grid-template-columns: 1.1fr 1fr;
        gap: 4rem;
    }
}

.about-points {
    display: grid;
    gap: 1.25rem;
    margin-top: 1rem;
}

.about-point {
    border-left: 2px solid var(--line);
    padding-left: 1rem;
}

.about-point strong {
    display: block;
    margin-bottom: 0.25rem;
}

.about-point span {
    color: var(--fg-muted);
    font-size: 0.95rem;
}

/* ---------- Divisiones ---------- */
.divisions {
    border-top: 1px solid var(--line);
    background: var(--bg-soft);
}

.divisions-grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: 1fr;
}

@media (min-width: 640px) {
    .divisions-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

.division-card {
    --division-color: var(--accent);  /* sobreescribir por card individual */
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    background: var(--bg);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 2rem 1.75rem;
    min-height: 260px;
    overflow: hidden;
    transition: transform var(--t-base), border-color var(--t-base), background var(--t-base), box-shadow var(--t-base);
}

/* Acento superior coloreado por división */
.division-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--division-color);
    opacity: 0.85;
}

.division-card:hover {
    transform: translateY(-4px);
    border-color: var(--division-color);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.1);
}

.division-card.is-dev      { --division-color: var(--aonnix-dev); }
.division-card.is-studio   { --division-color: var(--aonnix-studio); }
.division-card.is-music    { --division-color: var(--aonnix-music); }
.division-card.is-creative { --division-color: var(--aonnix-creative); }

.division-card .division-mark {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    margin-bottom: 1.5rem;
}

.division-card .division-isotype {
    width: 28px;
    height: 28px;
    color: var(--division-color);
}

.division-card .division-tag {
    font-size: 0.72rem;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--division-color);
    font-weight: 600;
}

.division-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    letter-spacing: -0.01em;
    position: relative;
    display: inline-block;
}

.division-card h3::after {
    content: "";
    display: block;
    width: 28px;
    height: 2px;
    background: var(--division-color);
    margin-top: 0.4rem;
}

.division-card p {
    color: var(--fg-muted);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.division-card .arrow {
    font-size: 0.74rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--division-color);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

/* ---------- Capacidades ---------- */
.capabilities {
    border-top: 1px solid var(--line);
}

.capabilities-grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: 1fr;
}

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

.capability {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 1.75rem;
    background: var(--bg-elev);
}

.capability h3 {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.capability p {
    color: var(--fg-muted);
    font-size: 0.95rem;
}

/* ---------- Apps publicadas (dev) ---------- */
.apps {
    border-top: 1px solid var(--line);
    background: var(--bg-soft);
}

.apps-grid {
    display: grid;
    gap: 1.25rem;
    grid-template-columns: 1fr;
}

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

.app-card {
    background: var(--bg);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 1.75rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.app-card-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.app-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
}

.app-status {
    font-size: 0.7rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    padding: 0.3rem 0.7rem;
    border-radius: 999px;
    border: 1px solid var(--line);
    color: var(--fg-muted);
    white-space: nowrap;
}

.app-status.published {
    color: var(--bg);
    background: var(--fg);
    border-color: var(--fg);
}

.app-status.coming {
    color: var(--fg-muted);
}

.app-card p {
    color: var(--fg-muted);
    font-size: 0.95rem;
}

/* Badge oficial de App Store en cards de apps publicadas */
.app-cta {
    margin: 0.85rem 0 0.95rem;
    display: flex;
    align-items: center;
}

.appstore-badge {
    display: inline-flex;
    transition: transform var(--t-fast), filter var(--t-fast);
    border-radius: 7px;
}

.appstore-badge:hover {
    transform: translateY(-1px);
    filter: brightness(1.1);
}

.appstore-badge:focus-visible {
    outline: 2px solid var(--highlight);
    outline-offset: 3px;
}

.appstore-badge svg { display: block; }

.app-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
    font-size: 0.85rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.app-links a {
    color: var(--fg-muted);
    border-bottom: 1px solid transparent;
    padding-bottom: 2px;
    transition: color var(--t-fast), border-color var(--t-fast);
}

.app-links a:hover {
    color: var(--fg);
    border-bottom-color: var(--fg);
}

/* ---------- CTA ---------- */
.cta {
    border-top: 1px solid var(--line);
}

.cta-inner {
    text-align: center;
    max-width: 60ch;
    margin: 0 auto;
}

.cta h2 {
    font-size: clamp(1.8rem, 5vw, 3rem);
    line-height: 1.1;
    letter-spacing: -0.01em;
    font-weight: 600;
    margin-bottom: 1rem;
}

.cta p {
    color: var(--fg-muted);
    margin-bottom: 2rem;
}

/* ---------- Servicios (subpáginas) ---------- */
.services-list {
    display: grid;
    gap: 1rem;
    grid-template-columns: 1fr;
}

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

.service-card {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 1.75rem;
    background: var(--bg);
}

.service-card .num {
    font-size: 0.75rem;
    letter-spacing: 0.3em;
    color: var(--fg-faint);
    margin-bottom: 1rem;
}

.service-card h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.service-card p {
    color: var(--fg-muted);
    font-size: 0.95rem;
}

/* ---------- Casos de uso ---------- */
.usecases {
    border-top: 1px solid var(--line);
    background: var(--bg-soft);
}

.usecases-grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: 1fr;
}

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

.usecase {
    background: var(--bg);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 1.5rem;
}

.usecase h3 {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.usecase p {
    color: var(--fg-muted);
    font-size: 0.92rem;
}

/* ---------- Footer ---------- */
.site-footer {
    border-top: 1px solid var(--line);
    background: var(--bg-soft);
    padding: 3rem 0 2rem;
    margin-top: 2rem;
}

.footer-grid {
    display: grid;
    gap: 2rem;
    grid-template-columns: 1fr;
}

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: 1.4fr 1fr 1fr 1fr;
    }
    /* Variante compacta para páginas de división que no listan apps publicadas
       (Studio/Music/Creative) — solo Brand + Divisiones. El contacto está en
       la sección CTA del cuerpo y en el footer-bottom; agregarlo aquí sería
       redundante. */
    .footer-grid--2 {
        grid-template-columns: 1.4fr 1fr;
    }
}

.footer-col h4 {
    font-size: 0.78rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--fg-faint);
    margin-bottom: 0.9rem;
    font-weight: 500;
}

.footer-col ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-col a {
    color: var(--fg-muted);
    font-size: 0.92rem;
    transition: color var(--t-fast);
}

.footer-col a:hover {
    color: var(--fg);
}

.footer-brand p {
    color: var(--fg-muted);
    font-size: 0.92rem;
    max-width: 38ch;
    margin-top: 0.75rem;
}

.footer-legal-note {
    color: var(--fg-faint);
    font-size: 0.82rem;
    line-height: 1.5;
    max-width: 42ch;
    margin-top: 0.5rem;
}

.footer-bottom {
    margin-top: 2.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--line);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    color: var(--fg-faint);
    font-size: 0.82rem;
    text-align: center;
}

@media (min-width: 768px) {
    .footer-bottom {
        flex-direction: row;
        justify-content: center;
        align-items: center;
    }
}

/* ---------- Banner sub-sección ---------- */
.subnav {
    font-size: 0.78rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--fg-faint);
    margin-bottom: 0.75rem;
}

.subnav a {
    color: var(--fg-faint);
    border-bottom: 1px solid transparent;
    transition: color var(--t-fast), border-color var(--t-fast);
}

.subnav a:hover {
    color: var(--fg);
    border-bottom-color: var(--fg);
}

/* ---------- Listas con bullets minimalistas ---------- */
.bullet-list {
    list-style: none;
    display: grid;
    gap: 0.6rem;
    margin-top: 0.5rem;
}

.bullet-list li {
    position: relative;
    padding-left: 1.25rem;
    color: var(--fg-muted);
    font-size: 0.95rem;
}

.bullet-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.65rem;
    width: 6px;
    height: 1px;
    background: var(--fg-muted);
}

/* ---------- Utilidades ---------- */
.muted {
    color: var(--fg-muted);
}

.divider {
    height: 1px;
    background: var(--line);
    margin: 2rem 0;
    border: 0;
}