/* ============================================================
   BASE — Reset suave, tipografia base, fondo, scrollbar
   ============================================================ */

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--nav-height);
    -webkit-text-size-adjust: 100%;
}

body {
    background-color: var(--bg-0);
    color: var(--text-1);
    font-family: var(--font-body);
    font-size: var(--fs-base);
    line-height: var(--lh-normal);
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

html {
    overflow-x: hidden;
}

/* Override de la fuente original (Fira Code en *) ---- */
body, html,
h1, h2, h3, h4, h5, h6, p, a, button, input, textarea, li {
    font-family: var(--font-body);
}

/* Headings ---- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: var(--lh-tight);
    letter-spacing: var(--tr-tight);
    color: var(--text-1);
}

p {
    color: var(--text-2);
    line-height: var(--lh-normal);
}

a {
    color: var(--green-1);
    text-decoration: none;
    transition: color var(--dur-fast) var(--ease-out),
                opacity var(--dur-fast) var(--ease-out);
}

a:hover {
    color: var(--green-3);
}

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

/* Seleccion ---- */
::selection {
    background: var(--green-1);
    color: var(--bg-0);
    text-shadow: none;
}
::-moz-selection {
    background: var(--green-1);
    color: var(--bg-0);
}

/* Scrollbar ---- */
*::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}
*::-webkit-scrollbar-track {
    background: var(--bg-0);
}
*::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--green-deep), var(--green-muted));
    border-radius: var(--radius-pill);
    border: 2px solid var(--bg-0);
}
*::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--green-muted), var(--green-1));
    box-shadow: var(--glow-sm);
}

html {
    scrollbar-color: var(--green-muted) var(--bg-0);
    scrollbar-width: thin;
}

/* Focus ---- */
:focus-visible {
    outline: 2px solid var(--green-1);
    outline-offset: 3px;
    border-radius: var(--radius-sm);
    box-shadow: var(--glow-sm);
}

/* Utilities ---- */
.mono {
    font-family: var(--font-mono);
    letter-spacing: var(--tr-mono);
}

.section-label {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-2);
    font-family: var(--font-mono);
    font-size: var(--fs-xs);
    letter-spacing: var(--tr-wide);
    color: var(--green-1);
    text-transform: uppercase;
    margin-bottom: var(--sp-4);
    opacity: 0.9;
}

.section-label::before {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--green-1);
    box-shadow: var(--glow-sm);
    animation: pulse 2s var(--ease-in-out) infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%      { opacity: 0.4; transform: scale(0.85); }
}

/* Override: secciones (antes: bg blanco) ---- */
section {
    background-color: transparent;
    padding: var(--sp-9) var(--sp-5);
    position: relative;
}

/* Background base (cubre todo) ---- */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background:
        radial-gradient(ellipse 1200px 600px at 50% -10%, rgba(0,255,106,0.06), transparent 60%),
        radial-gradient(ellipse 800px 400px at 90% 100%, rgba(0,255,106,0.04), transparent 60%),
        var(--bg-0);
    z-index: -2;
    pointer-events: none;
}

/* Noise overlay sutil ---- */
body::after {
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 1;
    opacity: 0.025;
    mix-blend-mode: overlay;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0  0 0 0 0 1  0 0 0 0 0.4  0 0 0 0.8 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

/* Scan line global muy lento ---- */
.scan-line {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 2;
    overflow: hidden;
    mix-blend-mode: screen;
    opacity: 0.5;
}
.scan-line::after {
    content: '';
    position: absolute;
    left: 0;
    width: 100%;
    height: 140px;
    background: linear-gradient(
        180deg,
        transparent 0%,
        rgba(0, 255, 106, 0.04) 40%,
        rgba(0, 255, 106, 0.08) 50%,
        rgba(0, 255, 106, 0.04) 60%,
        transparent 100%
    );
    animation: scan 9s linear infinite;
    will-change: transform;
}

@keyframes scan {
    0%   { transform: translateY(-160px); }
    100% { transform: translateY(110vh); }
}

/* Reveal on scroll (clases que activa effects.js) ---- */
.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition:
        opacity 700ms var(--ease-out),
        transform 700ms var(--ease-out);
    will-change: opacity, transform;
}

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

.reveal[data-delay="1"] { transition-delay: 80ms;  }
.reveal[data-delay="2"] { transition-delay: 160ms; }
.reveal[data-delay="3"] { transition-delay: 240ms; }
.reveal[data-delay="4"] { transition-delay: 320ms; }
.reveal[data-delay="5"] { transition-delay: 400ms; }
.reveal[data-delay="6"] { transition-delay: 480ms; }

/* Section divider futurista ---- */
.section-divider {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 var(--sp-5);
    opacity: 0.5;
}
.section-divider::before,
.section-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(
        90deg,
        transparent 0%,
        var(--border-3) 50%,
        transparent 100%
    );
}
.section-divider span {
    font-family: var(--font-mono);
    font-size: var(--fs-xs);
    color: var(--green-muted);
    letter-spacing: var(--tr-wide);
}

/* Brackets decorativos para titulos de seccion ---- */
.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    letter-spacing: var(--tr-tight);
    color: var(--text-1);
    margin-bottom: var(--sp-7);
    display: inline-flex;
    align-items: baseline;
    gap: var(--sp-3);
    position: relative;
}
.section-title::before {
    content: '[';
    color: var(--green-1);
    font-family: var(--font-mono);
    font-weight: 400;
    opacity: 0.7;
}
.section-title::after {
    content: ']';
    color: var(--green-1);
    font-family: var(--font-mono);
    font-weight: 400;
    opacity: 0.7;
}

/* Container helper ---- */
.container-x {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 var(--sp-5);
}

/* Accesibilidad: reducir movimiento ---- */
@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;
    }
    body::after,
    .scan-line {
        display: none;
    }
}