/* BOTS Robótica — Página en construcción */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --warm: 109, 179, 63;          /* verde BOTS, tenue */
    --text: rgba(255, 255, 255, 0.72);
    --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

html, body {
    height: 100%;
    background: #000;
    overflow: hidden;
    -webkit-tap-highlight-color: transparent;
}

.stage {
    position: fixed;
    inset: 0;
    display: grid;
    place-items: center;
}

/* Luz cálida, tenue y elegante detrás del logo, respirando lento */
.glow {
    position: absolute;
    top: 50%;
    left: 50%;
    width: min(70vw, 520px);
    aspect-ratio: 1 / 1;
    transform: translate(-50%, -50%) scale(0.88);
    border-radius: 50%;
    background: radial-gradient(circle,
        rgba(var(--warm), 0.22) 0%,
        rgba(var(--warm), 0.09) 32%,
        rgba(var(--warm), 0.03) 52%,
        rgba(0, 0, 0, 0) 70%);
    filter: blur(24px);
    animation: breathe 6s ease-in-out infinite;
    pointer-events: none;
}

@keyframes breathe {
    0%, 100% { opacity: 0.45; transform: translate(-50%, -50%) scale(0.88); }
    50%      { opacity: 1;    transform: translate(-50%, -50%) scale(1); }
}

/* Logo 40% más pequeño que la versión anterior (520px → 312px) */
.logo {
    position: relative;
    width: min(43vw, 312px);
    height: auto;
    cursor: pointer;
    user-select: none;
    -webkit-user-select: none;
    filter: drop-shadow(0 0 14px rgba(var(--warm), 0.18));
    transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

@media (max-width: 600px) {
    .logo { width: 56vw; }   /* en celular se mantiene legible */
    .glow { width: 92vw; }
}

@media (hover: hover) and (pointer: fine) {
    .logo:hover { transform: scale(1.06); }
}

.logo.pulse { animation: pulse 0.9s cubic-bezier(0.22, 1, 0.36, 1); }

@keyframes pulse {
    0%   { transform: scale(1); }
    35%  { transform: scale(1.07); }
    100% { transform: scale(1); }
}

/* Esquina superior izquierda: bloque pequeño, texto alineado a la izquierda */
.tagline {
    position: fixed;
    top: max(18px, env(safe-area-inset-top));
    left: max(20px, env(safe-area-inset-left));
    text-align: left;
    font: 600 11px/1.45 var(--font);
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--text);
    z-index: 2;
}

/* Esquina inferior derecha: Instagram y WhatsApp, uno sobre otro */
.contact {
    position: fixed;
    right: max(16px, env(safe-area-inset-right));
    bottom: max(14px, env(safe-area-inset-bottom));
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    z-index: 2;
}

.contact-link {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 5px 10px 5px 8px;
    border: 1px solid rgba(var(--warm), 0.22);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.03);
    font: 500 12px/1 var(--font);
    letter-spacing: 0.04em;
    color: var(--text);
    text-decoration: none;
    transition: color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
}

.contact-link svg {
    width: 14px;
    height: 14px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.7;
    stroke-linecap: round;
    stroke-linejoin: round;
}
.contact-link svg .fill { fill: currentColor; stroke: none; }

.contact-link:hover,
.contact-link:focus-visible {
    color: rgb(var(--warm));
    border-color: rgba(var(--warm), 0.6);
    box-shadow: 0 0 14px rgba(var(--warm), 0.18);
    transform: translateX(-2px);
    outline: none;
}

@media (prefers-reduced-motion: reduce) {
    .glow { animation: none; opacity: 0.75; }
    .logo, .logo.pulse, .contact-link { transition: none; animation: none; }
}

/* =================================================================
   RED NEURONAL — MENÚ
   ================================================================= */
#net {
    position: fixed;
    inset: 0;
    z-index: 0;
    opacity: 0;
    transition: opacity 1s ease;
    pointer-events: none;
}
.net-on #net { opacity: 1; }

.stage { z-index: 1; pointer-events: none; }
.logo  { pointer-events: auto; transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.5s ease; }

/* En la red: el logo completo se desvanece y el símbolo de encendido queda como núcleo */
.net-on .logo { opacity: 0; pointer-events: none; transform: none; }
.net-on .glow { opacity: 0 !important; animation: none; }

.core {
    position: fixed;
    left: 50%;
    top: 50%;
    width: clamp(118px, 18vmin, 180px);
    height: auto;
    z-index: 2;
    opacity: 0;
    transform: translate(-50%, -50%);
    pointer-events: none;
    cursor: pointer;
    user-select: none;
    -webkit-user-select: none;
    -webkit-tap-highlight-color: transparent;
    filter: drop-shadow(0 0 16px rgba(109, 179, 63, 0.35));
}
.net-on .core { opacity: 1; pointer-events: auto; }

#neurons {
    position: fixed;
    inset: 0;
    z-index: 3;
    pointer-events: none;
}

.neuron {
    position: absolute;
    left: 0;
    top: 0;
    width: 54px;
    height: 54px;
    border: 0;
    border-radius: 50%;
    background: transparent;
    cursor: pointer;
    pointer-events: auto;
    opacity: 0;
    -webkit-tap-highlight-color: transparent;
}
.neuron:focus-visible { outline: 1px dashed rgba(109, 179, 63, 0.7); outline-offset: 4px; }

.neuron .label {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    margin-top: -6px;
    white-space: nowrap;
    font: 600 12px/1 var(--font);
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.78);
    text-shadow: 0 0 10px #000, 0 0 4px #000;
    transition: color 0.3s ease, letter-spacing 0.4s ease;
}
.neuron:hover .label,
.neuron:focus-visible .label {
    color: rgb(150, 220, 105);
    letter-spacing: 0.22em;
}

@media (max-width: 600px) {
    .neuron .label { font-size: 10px; letter-spacing: 0.12em; }
}

/* Pista inicial y aviso */
.hint, .toast {
    position: fixed;
    left: 50%;
    transform: translate(-50%, 8px);
    z-index: 4;
    font: 500 11px/1.4 var(--font);
    letter-spacing: 0.08em;
    color: rgba(255, 255, 255, 0.55);
    text-align: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.6s ease, transform 0.6s ease;
    max-width: 86vw;
}
.hint { bottom: max(84px, calc(env(safe-area-inset-bottom) + 84px)); }
.hint.show { opacity: 1; transform: translate(-50%, 0); }

.toast {
    top: max(22px, env(safe-area-inset-top));
    padding: 8px 14px;
    border: 1px solid rgba(109, 179, 63, 0.45);
    border-radius: 999px;
    background: rgba(0, 0, 0, 0.7);
    color: rgb(170, 230, 130);
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

@media (max-width: 600px) {
    .toast { top: auto; bottom: max(96px, calc(env(safe-area-inset-bottom) + 96px)); }
}