/* ============================================================
   PROYECTOLAB — Sistema de Diseño Principal
   Fuentes: Syne (display) + DM Sans (body)
   Paleta: Dark navy · Cyan eléctrico · Lima
   ============================================================ */

/* ── Custom Properties ──────────────────────────────────── */
:root {
    /* Colores base */
    --clr-bg:            #070d1a;
    --clr-bg-2:          #0b1326;
    --clr-surface:       #111827;
    --clr-surface-2:     #1a2338;
    --clr-surface-3:     #222d42;
    --clr-border:        rgba(255,255,255,0.07);
    --clr-border-hover:  rgba(0,224,255,0.25);

    /* Textos */
    --clr-text:          #dae2fd;
    --clr-text-muted:    #7a8aaa;
    --clr-text-subtle:   #3d4f6e;

    /* Acentos */
    --clr-cyan:          #00e0ff;
    --clr-cyan-dim:      rgba(0,224,255,0.12);
    --clr-cyan-glow:     0 0 24px rgba(0,224,255,0.22);
    --clr-lime:          #9ddf2e;
    --clr-lime-dim:      rgba(157,223,46,0.12);
    --clr-lime-glow:     0 0 20px rgba(157,223,46,0.22);
    --clr-indigo:        #818cf8;
    --clr-indigo-dim:    rgba(129,140,248,0.12);
    --clr-amber:         #fbbf24;

    /* Error */
    --clr-error:         #f87171;

    /* Tipografía */
    --font-display:      'Syne', sans-serif;
    --font-body:         'DM Sans', sans-serif;

    /* Espaciado */
    --space-1:  4px;
    --space-2:  8px;
    --space-3:  12px;
    --space-4:  16px;
    --space-5:  20px;
    --space-6:  24px;
    --space-8:  32px;
    --space-10: 40px;
    --space-12: 48px;
    --space-16: 64px;
    --space-20: 80px;
    --space-24: 96px;
    --space-32: 128px;

    /* Radio */
    --radius-sm:  6px;
    --radius-md:  12px;
    --radius-lg:  20px;
    --radius-xl:  28px;
    --radius-full: 9999px;

    /* Transiciones */
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
    --dur-fast: 160ms;
    --dur-mid:  300ms;
    --dur-slow: 500ms;

    /* Contenedor */
    --container-max: 1280px;
    --container-pad: clamp(var(--space-6), 5vw, var(--space-16));

    /* Nav */
    --nav-h: 68px;
}

/* ── Reset & Base ───────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

body {
    font-family: var(--font-body);
    background-color: var(--clr-bg);
    color: var(--clr-text);
    line-height: 1.6;
    min-height: 100dvh;
    overflow-x: hidden;
    position: relative;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font: inherit; color: inherit; }
ul, ol { list-style: none; }
input, textarea, select { font: inherit; color: inherit; }

/* ── Ruido y Orbes de fondo ─────────────────────────────── */
.bg-noise {
    position: fixed; inset: 0; z-index: 0; pointer-events: none;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
    background-size: 256px;
    opacity: 0.5;
}

.bg-orbs { position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }

.orb {
    position: absolute; border-radius: 50%;
    filter: blur(100px);
    animation: orbFloat 20s ease-in-out infinite;
}
.orb-1 {
    width: 500px; height: 500px;
    background: radial-gradient(circle, rgba(0,224,255,0.07) 0%, transparent 70%);
    top: -10%; left: -10%;
    animation-duration: 25s;
}
.orb-2 {
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(157,223,46,0.05) 0%, transparent 70%);
    bottom: 20%; right: -5%;
    animation-duration: 20s;
    animation-delay: -8s;
}
.orb-3 {
    width: 300px; height: 300px;
    background: radial-gradient(circle, rgba(129,140,248,0.06) 0%, transparent 70%);
    top: 50%; left: 40%;
    animation-duration: 30s;
    animation-delay: -15s;
}

@keyframes orbFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33%       { transform: translate(30px, -40px) scale(1.05); }
    66%       { transform: translate(-20px, 20px) scale(0.96); }
}

/* ── Layout ─────────────────────────────────────────────── */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin-inline: auto;
    padding-inline: var(--container-pad);
}

/* Todos los hijos directos de body van encima del fondo */
nav, main, footer { position: relative; z-index: 1; }

/* ── Material Symbols ───────────────────────────────────── */
.material-symbols-outlined {
    font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
    vertical-align: middle;
    line-height: 1;
    display: inline-block;
}

/* ── Tipografía ─────────────────────────────────────────── */
.h1, h1 {
    font-family: var(--font-display);
    font-size: clamp(2.4rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.08;
    letter-spacing: -0.025em;
}
.h2, h2 {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 3.5vw, 2.8rem);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.02em;
}
.h3, h3 {
    font-family: var(--font-display);
    font-size: clamp(1.15rem, 2vw, 1.5rem);
    font-weight: 600;
    line-height: 1.25;
    letter-spacing: -0.01em;
}
.label {
    font-family: var(--font-display);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}
.body-lg { font-size: clamp(1rem, 1.5vw, 1.125rem); line-height: 1.7; }
.body-sm { font-size: 0.875rem; line-height: 1.6; }

/* ── Botones ─────────────────────────────────────────────── */
.btn {
    display: inline-flex; align-items: center; gap: var(--space-2);
    font-family: var(--font-display);
    font-weight: 600; font-size: 0.9rem;
    letter-spacing: 0.02em;
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius-md);
    transition: all var(--dur-mid) var(--ease-out);
    white-space: nowrap;
    cursor: pointer; border: 1px solid transparent;
    text-decoration: none;
}
.btn .material-symbols-outlined { font-size: 1.1rem; }

.btn--primary {
    background: var(--clr-cyan);
    color: #001f25;
    border-color: var(--clr-cyan);
}
.btn--primary:hover {
    box-shadow: var(--clr-cyan-glow);
    transform: translateY(-2px);
    filter: brightness(1.08);
}

.btn--ghost {
    background: transparent;
    color: var(--clr-text);
    border-color: var(--clr-border);
    backdrop-filter: blur(8px);
}
.btn--ghost:hover {
    border-color: var(--clr-cyan);
    color: var(--clr-cyan);
    background: var(--clr-cyan-dim);
}

.btn--outline-lime {
    background: transparent;
    color: var(--clr-lime);
    border-color: rgba(157,223,46,0.3);
}
.btn--outline-lime:hover {
    background: var(--clr-lime-dim);
    box-shadow: var(--clr-lime-glow);
}

.btn--lg { padding: var(--space-4) var(--space-8); font-size: 1rem; }
.btn--sm { padding: var(--space-2) var(--space-4); font-size: 0.82rem; border-radius: var(--radius-sm); }
.btn:active { transform: scale(0.97); }

/* ── Chips / Badges ─────────────────────────────────────── */
.chip {
    display: inline-flex; align-items: center;
    font-family: var(--font-display);
    font-size: 0.68rem; font-weight: 700;
    letter-spacing: 0.08em; text-transform: uppercase;
    padding: 3px 10px;
    border-radius: var(--radius-full);
    border: 1px solid;
    white-space: nowrap;
}
.chip--cyan   { color: var(--clr-cyan);   border-color: rgba(0,224,255,0.3);   background: rgba(0,224,255,0.07); }
.chip--lime   { color: var(--clr-lime);   border-color: rgba(157,223,46,0.3);  background: rgba(157,223,46,0.07); }
.chip--indigo { color: var(--clr-indigo); border-color: rgba(129,140,248,0.3); background: rgba(129,140,248,0.07); }
.chip--amber  { color: var(--clr-amber);  border-color: rgba(251,191,36,0.3);  background: rgba(251,191,36,0.07); }

/* Estado live */
.chip--live {
    color: var(--clr-lime);
    border-color: rgba(157,223,46,0.4);
    background: rgba(157,223,46,0.08);
}
.chip--live::before {
    content: '';
    display: inline-block;
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--clr-lime);
    margin-right: 5px;
    box-shadow: 0 0 6px var(--clr-lime);
    animation: pulse 2s ease-in-out infinite;
}
.chip--beta { color: var(--clr-amber); border-color: rgba(251,191,36,0.3); background: rgba(251,191,36,0.07); }

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%       { opacity: 0.5; transform: scale(0.8); }
}

/* ══════════════════════════════════════════════════════════
   NAVEGACIÓN
═══════════════════════════════════════════════════════════ */
.nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    height: var(--nav-h);
    transition: background var(--dur-mid) var(--ease-out),
                border-color var(--dur-mid) var(--ease-out),
                box-shadow var(--dur-mid) var(--ease-out);
}
.nav.is-scrolled {
    background: rgba(7,13,26,0.85);
    backdrop-filter: blur(20px) saturate(1.8);
    -webkit-backdrop-filter: blur(20px) saturate(1.8);
    border-bottom: 1px solid var(--clr-border);
    box-shadow: 0 4px 40px rgba(0,0,0,0.3);
}

.nav__inner {
    display: flex; align-items: center;
    height: var(--nav-h);
    gap: var(--space-8);
}

.nav__logo {
    font-family: var(--font-display);
    font-size: 1.25rem; font-weight: 800;
    letter-spacing: -0.02em;
    color: #fff; text-decoration: none;
    flex-shrink: 0;
}
.nav__logo-dot { color: var(--clr-cyan); }
.nav__logo-os  { color: var(--clr-cyan); }

.nav__links {
    display: flex; align-items: center; gap: var(--space-2);
    margin-left: auto;
}

.nav__link {
    font-family: var(--font-display);
    font-size: 0.875rem; font-weight: 500;
    color: var(--clr-text-muted);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-sm);
    transition: color var(--dur-fast) var(--ease-out);
    position: relative;
}
.nav__link:hover { color: var(--clr-text); }
.nav__link--active {
    color: var(--clr-cyan);
}
.nav__link--active::after {
    content: '';
    position: absolute; bottom: -2px; left: 50%; transform: translateX(-50%);
    width: 16px; height: 2px;
    background: var(--clr-cyan);
    border-radius: var(--radius-full);
}

.nav__cta { margin-left: var(--space-4); }

/* Hamburger */
.nav__burger {
    display: none;
    flex-direction: column; gap: 5px;
    width: 36px; height: 36px;
    align-items: center; justify-content: center;
    border-radius: var(--radius-sm);
    transition: background var(--dur-fast);
    margin-left: auto;
}
.nav__burger:hover { background: var(--clr-surface); }
.nav__burger span {
    display: block; width: 20px; height: 2px;
    background: var(--clr-text);
    border-radius: var(--radius-full);
    transition: transform var(--dur-mid) var(--ease-out),
                opacity var(--dur-fast);
}
.nav__burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Menú móvil */
.nav__mobile {
    display: none;
    flex-direction: column; gap: var(--space-4);
    padding: var(--space-6) var(--container-pad);
    background: rgba(7,13,26,0.97);
    backdrop-filter: blur(20px);
    border-top: 1px solid var(--clr-border);
    border-bottom: 1px solid var(--clr-border);
}
.nav__mobile.is-open { display: flex; }
.nav__mobile ul { display: flex; flex-direction: column; gap: var(--space-1); }
.nav__mobile a {
    font-family: var(--font-display);
    font-size: 1.1rem; font-weight: 600;
    color: var(--clr-text-muted);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-md);
    display: block;
    transition: color var(--dur-fast), background var(--dur-fast);
}
.nav__mobile a:hover, .nav__mobile a.active { color: var(--clr-cyan); background: var(--clr-cyan-dim); }

/* ══════════════════════════════════════════════════════════
   HERO SECTION
═══════════════════════════════════════════════════════════ */
.hero {
    min-height: 100svh;
    display: flex; flex-direction: column; justify-content: center;
    padding-top: var(--nav-h);
    padding-bottom: var(--space-24);
    overflow: hidden;
}

.hero__inner {
    display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    text-align: center;
    gap: var(--space-8);
    padding-top: var(--space-16);
}

.hero__badge {
    display: inline-flex; align-items: center; gap: var(--space-2);
    padding: var(--space-2) var(--space-5);
    border-radius: var(--radius-full);
    border: 1px solid rgba(157,223,46,0.2);
    background: rgba(157,223,46,0.05);
    backdrop-filter: blur(8px);
    animation: fadeSlideDown 0.8s var(--ease-out) both;
}
.hero__badge-dot {
    width: 7px; height: 7px;
    border-radius: 50%; background: var(--clr-lime);
    box-shadow: 0 0 8px var(--clr-lime);
    animation: pulse 2s ease-in-out infinite;
}
.hero__badge-text {
    font-family: var(--font-display);
    font-size: 0.7rem; font-weight: 700;
    letter-spacing: 0.15em; text-transform: uppercase;
    color: var(--clr-lime);
}

.hero__title {
    max-width: 900px;
    animation: fadeSlideDown 0.8s var(--ease-out) 0.1s both;
}
.hero__title-accent { color: var(--clr-cyan); }

/* Efecto de línea brillante bajo el título */
.hero__title-accent {
    position: relative;
}

.hero__subtitle {
    max-width: 580px;
    color: var(--clr-text-muted);
    font-size: clamp(1rem, 1.8vw, 1.15rem);
    line-height: 1.75;
    animation: fadeSlideDown 0.8s var(--ease-out) 0.2s both;
}

.hero__actions {
    display: flex; flex-wrap: wrap; gap: var(--space-4);
    justify-content: center;
    animation: fadeSlideDown 0.8s var(--ease-out) 0.3s both;
}

/* Línea divisoria decorativa */
.hero__divider {
    display: flex; align-items: center; gap: var(--space-4);
    width: 100%; max-width: 900px;
    margin-top: var(--space-16);
    animation: fadeSlideDown 0.8s var(--ease-out) 0.4s both;
}
.hero__divider-line { flex: 1; height: 1px; background: var(--clr-border); }
.hero__divider-text {
    font-family: var(--font-display);
    font-size: 0.68rem; font-weight: 700;
    letter-spacing: 0.15em; text-transform: uppercase;
    color: var(--clr-text-subtle);
}

/* ── Animaciones de entrada ─────────────────────────────── */
@keyframes fadeSlideDown {
    from { opacity: 0; transform: translateY(-16px); }
    to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeSlideUp {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

/* ══════════════════════════════════════════════════════════
   SECCIÓN ESTADÍSTICAS
═══════════════════════════════════════════════════════════ */
.stats {
    padding-block: var(--space-16);
    border-top: 1px solid var(--clr-border);
    border-bottom: 1px solid var(--clr-border);
    background: linear-gradient(180deg, transparent, rgba(0,224,255,0.02) 50%, transparent);
}

.stats__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1px;
    background: var(--clr-border);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

@media (min-width: 640px) { .stats__grid { grid-template-columns: repeat(4, 1fr); } }

.stats__item {
    background: var(--clr-bg-2);
    padding: var(--space-8) var(--space-6);
    text-align: center;
    display: flex; flex-direction: column;
    align-items: center; gap: var(--space-2);
    transition: background var(--dur-mid);
}
.stats__item:hover { background: var(--clr-surface); }

.stats__number {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    color: var(--clr-cyan);
    line-height: 1;
    letter-spacing: -0.03em;
}
.stats__suffix { color: var(--clr-lime); }
.stats__label {
    font-size: 0.8rem;
    color: var(--clr-text-muted);
    letter-spacing: 0.05em;
}

/* ══════════════════════════════════════════════════════════
   SECCIÓN PROYECTOS DESTACADOS (BENTO GRID)
═══════════════════════════════════════════════════════════ */
.projects { padding-block: var(--space-24); }

.section-header {
    display: flex; flex-wrap: wrap;
    align-items: flex-end; justify-content: space-between;
    gap: var(--space-6);
    margin-bottom: var(--space-12);
}
.section-header__eyebrow {
    font-family: var(--font-display);
    font-size: 0.72rem; font-weight: 700;
    letter-spacing: 0.15em; text-transform: uppercase;
    color: var(--clr-cyan);
    margin-bottom: var(--space-3);
}
.section-header__title { color: var(--clr-text); }
.section-header__desc {
    color: var(--clr-text-muted);
    margin-top: var(--space-3);
    max-width: 420px;
    font-size: 0.95rem;
}

/* Bento Grid */
.bento {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-4);
}

@media (min-width: 768px) {
    .bento { grid-template-columns: repeat(12, 1fr); }
    .bento__item--wide  { grid-column: span 8; }
    .bento__item--side  { grid-column: span 4; }
    .bento__item--third { grid-column: span 4; }
}

.card {
    position: relative; overflow: hidden;
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-lg);
    transition: border-color var(--dur-mid) var(--ease-out),
                transform var(--dur-mid) var(--ease-out),
                box-shadow var(--dur-mid) var(--ease-out);
}
.card:hover {
    border-color: var(--clr-border-hover);
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(0,0,0,0.3), var(--clr-cyan-glow);
}

/* Card con imagen grande */
.card--feature .card__image {
    width: 100%; aspect-ratio: 16/9;
    overflow: hidden;
    background: var(--clr-surface-2);
    display: flex; align-items: center; justify-content: center;
}
.card--feature .card__image img {
    width: 100%; height: 100%;
    object-fit: cover;
    opacity: 0.75;
    transition: opacity var(--dur-slow), transform var(--dur-slow) var(--ease-out);
}
.card--feature:hover .card__image img { opacity: 1; transform: scale(1.04); }

/* Icono placeholder cuando no hay imagen */
.card__img-placeholder {
    width: 100%; height: 100%;
    display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, var(--clr-surface-2), var(--clr-surface-3));
}
.card__img-placeholder .material-symbols-outlined {
    font-size: 5rem; opacity: 0.12;
}
.card__img-placeholder--cyan   .material-symbols-outlined { color: var(--clr-cyan); }
.card__img-placeholder--lime   .material-symbols-outlined { color: var(--clr-lime); }
.card__img-placeholder--indigo .material-symbols-outlined { color: var(--clr-indigo); }
.card__img-placeholder--amber  .material-symbols-outlined { color: var(--clr-amber); }

.card__body { padding: var(--space-6); }
.card--feature .card__body { padding: var(--space-8); }

.card__chips { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-bottom: var(--space-4); }
.card__title { color: var(--clr-text); margin-bottom: var(--space-3); }
.card__desc  { color: var(--clr-text-muted); font-size: 0.9rem; line-height: 1.65; margin-bottom: var(--space-6); }

.card__link {
    display: inline-flex; align-items: center; gap: var(--space-2);
    font-family: var(--font-display);
    font-size: 0.82rem; font-weight: 700;
    letter-spacing: 0.04em; text-transform: uppercase;
    color: var(--clr-cyan);
    transition: gap var(--dur-fast);
}
.card__link:hover { gap: var(--space-3); }
.card__link .material-symbols-outlined { font-size: 1rem; }

/* Card compacta (side/third) */
.card--compact {
    display: flex; flex-direction: column;
    justify-content: space-between;
    min-height: 220px;
}
.card--compact .card__body { flex: 1; display: flex; flex-direction: column; justify-content: space-between; }

.card__icon-wrap {
    width: 44px; height: 44px;
    border-radius: var(--radius-md);
    display: flex; align-items: center; justify-content: center;
    margin-bottom: var(--space-5);
    flex-shrink: 0;
}
.card__icon-wrap--cyan   { background: var(--clr-cyan-dim);   color: var(--clr-cyan); }
.card__icon-wrap--lime   { background: var(--clr-lime-dim);   color: var(--clr-lime); }
.card__icon-wrap--indigo { background: var(--clr-indigo-dim); color: var(--clr-indigo); }
.card__icon-wrap--amber  { background: rgba(251,191,36,0.12); color: var(--clr-amber); }
.card__icon-wrap .material-symbols-outlined { font-size: 1.4rem; }

.card__footer {
    display: flex; align-items: center; justify-content: space-between;
    padding-top: var(--space-5);
    margin-top: var(--space-4);
    border-top: 1px solid var(--clr-border);
}
.card__footer-link {
    font-family: var(--font-display);
    font-size: 0.75rem; font-weight: 700;
    letter-spacing: 0.08em; text-transform: uppercase;
    color: var(--clr-text-muted);
    display: inline-flex; align-items: center; gap: var(--space-1);
    transition: color var(--dur-fast);
}
.card__footer-link:hover { color: var(--clr-cyan); }

/* Acento de borde lateral en card compacta */
.card--accent-lime  { border-left: 3px solid var(--clr-lime); }
.card--accent-indigo { border-left: 3px solid var(--clr-indigo); }

/* ══════════════════════════════════════════════════════════
   SECCIÓN SOBRE EL LABORATORIO
═══════════════════════════════════════════════════════════ */
.about {
    padding-block: var(--space-24);
    background: linear-gradient(180deg, transparent, rgba(0,224,255,0.015) 50%, transparent);
    border-top: 1px solid var(--clr-border);
}

.about__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-16);
    align-items: center;
}
@media (min-width: 768px) { .about__grid { grid-template-columns: 1fr 1fr; } }

.about__visual {
    position: relative;
}
.about__visual-main {
    aspect-ratio: 1;
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--clr-border);
    background: linear-gradient(135deg, var(--clr-surface-2), var(--clr-surface-3));
    display: flex; align-items: center; justify-content: center;
}
.about__visual-main .material-symbols-outlined {
    font-size: 10rem;
    color: var(--clr-cyan);
    opacity: 0.06;
}

/* Badge flotante */
.about__badge {
    position: absolute;
    bottom: -1rem; right: -1rem;
    padding: var(--space-5) var(--space-6);
    background: var(--clr-surface-2);
    border: 1px solid var(--clr-border-hover);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(16px);
    box-shadow: 0 8px 32px rgba(0,0,0,0.4);
    text-align: center;
}
.about__badge-number {
    font-family: var(--font-display);
    font-size: 2rem; font-weight: 800;
    color: #fff; line-height: 1;
}
.about__badge-label {
    font-family: var(--font-display);
    font-size: 0.65rem; font-weight: 700;
    letter-spacing: 0.12em; text-transform: uppercase;
    color: var(--clr-cyan);
    margin-top: var(--space-1);
}

.about__content { display: flex; flex-direction: column; gap: var(--space-6); }
.about__title { color: var(--clr-text); }
.about__text { color: var(--clr-text-muted); line-height: 1.8; }

.about__pillars {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
    margin-top: var(--space-4);
}
.pillar {
    padding: var(--space-5);
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-md);
    transition: border-color var(--dur-mid), background var(--dur-mid);
}
.pillar:hover { border-color: var(--clr-border-hover); background: var(--clr-surface-2); }
.pillar__icon {
    display: flex; align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
}
.pillar__icon .material-symbols-outlined { font-size: 1.15rem; }
.pillar__icon-text {
    font-family: var(--font-display);
    font-size: 0.85rem; font-weight: 700;
    color: var(--clr-text);
}
.pillar__desc { font-size: 0.82rem; color: var(--clr-text-muted); line-height: 1.6; }

/* ══════════════════════════════════════════════════════════
   SECCIÓN CTA / NEWSLETTER
═══════════════════════════════════════════════════════════ */
.cta-section {
    padding-block: var(--space-24);
    border-top: 1px solid var(--clr-border);
}

.cta-card {
    position: relative; overflow: hidden;
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-xl);
    padding: clamp(var(--space-10), 6vw, var(--space-16));
    text-align: center;
}

/* Gradiente de fondo interior */
.cta-card::before {
    content: '';
    position: absolute; inset: 0; z-index: 0;
    background: radial-gradient(ellipse at 50% 100%, rgba(0,224,255,0.07) 0%, transparent 65%);
    pointer-events: none;
}
.cta-card > * { position: relative; z-index: 1; }

.cta-card__eyebrow {
    font-family: var(--font-display);
    font-size: 0.72rem; font-weight: 700;
    letter-spacing: 0.15em; text-transform: uppercase;
    color: var(--clr-cyan);
    margin-bottom: var(--space-5);
    display: block;
}
.cta-card__title {
    margin-bottom: var(--space-5);
    max-width: 600px; margin-inline: auto;
}
.cta-card__desc {
    color: var(--clr-text-muted);
    max-width: 480px; margin-inline: auto;
    margin-bottom: var(--space-10);
    line-height: 1.75;
}

/* Formulario newsletter */
.newsletter-form {
    display: flex; flex-wrap: wrap;
    gap: var(--space-3);
    justify-content: center;
    max-width: 540px; margin-inline: auto;
}
.newsletter-form__field {
    flex: 1; min-width: 220px;
    padding: var(--space-4) var(--space-5);
    background: var(--clr-surface-2);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-md);
    color: var(--clr-text);
    font-size: 0.95rem;
    outline: none;
    transition: border-color var(--dur-fast), box-shadow var(--dur-fast);
}
.newsletter-form__field::placeholder { color: var(--clr-text-subtle); }
.newsletter-form__field:focus {
    border-color: var(--clr-cyan);
    box-shadow: 0 0 0 3px rgba(0,224,255,0.1);
}
.newsletter-form__field.is-error { border-color: var(--clr-error); }

.newsletter-form__submit { flex-shrink: 0; }

/* Mensajes de respuesta */
.form-message {
    display: none;
    margin-top: var(--space-4);
    padding: var(--space-3) var(--space-5);
    border-radius: var(--radius-md);
    font-size: 0.875rem; font-weight: 500;
    text-align: center;
}
.form-message--success {
    background: rgba(157,223,46,0.1);
    border: 1px solid rgba(157,223,46,0.3);
    color: var(--clr-lime);
}
.form-message--error {
    background: rgba(248,113,113,0.1);
    border: 1px solid rgba(248,113,113,0.3);
    color: var(--clr-error);
}
.form-message.is-visible { display: block; }

.cta-card__privacy {
    margin-top: var(--space-5);
    font-size: 0.78rem;
    color: var(--clr-text-subtle);
}

/* ══════════════════════════════════════════════════════════
   FOOTER
═══════════════════════════════════════════════════════════ */
.footer {
    padding-block: var(--space-10);
    border-top: 1px solid var(--clr-border);
    background: var(--clr-bg);
}

.footer__inner {
    display: flex; flex-wrap: wrap;
    align-items: center; justify-content: space-between;
    gap: var(--space-6);
}

.footer__logo {
    font-family: var(--font-display);
    font-size: 1.1rem; font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--clr-text);
}
.footer__logo-dot { color: var(--clr-cyan); }
.footer__tagline { font-size: 0.78rem; color: var(--clr-text-subtle); margin-top: 4px; }

.footer__nav {
    display: flex; gap: var(--space-6);
}
.footer__nav a {
    font-family: var(--font-display);
    font-size: 0.78rem; font-weight: 600;
    letter-spacing: 0.1em; text-transform: uppercase;
    color: var(--clr-text-muted);
    transition: color var(--dur-fast);
}
.footer__nav a:hover { color: var(--clr-cyan); }

.footer__social { display: flex; gap: var(--space-3); }
.footer__social-link {
    width: 36px; height: 36px;
    display: flex; align-items: center; justify-content: center;
    border-radius: var(--radius-sm);
    color: var(--clr-text-muted);
    border: 1px solid var(--clr-border);
    transition: color var(--dur-fast), border-color var(--dur-fast), background var(--dur-fast);
}
.footer__social-link:hover {
    color: var(--clr-cyan);
    border-color: rgba(0,224,255,0.3);
    background: var(--clr-cyan-dim);
}
.footer__social-link .material-symbols-outlined { font-size: 1rem; }
.footer__line { height: 1px; background: linear-gradient(90deg, transparent, var(--clr-border) 20%, var(--clr-border) 80%, transparent); margin-top: var(--space-8); }

/* ══════════════════════════════════════════════════════════
   UTILIDADES — scroll-reveal
═══════════════════════════════════════════════════════════ */
.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}
.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ══════════════════════════════════════════════════════════
   RESPONSIVO ADICIONAL
═══════════════════════════════════════════════════════════ */
@media (max-width: 767px) {
    .nav__links, .nav__cta { display: none; }
    .nav__burger { display: flex; }
    .nav { height: auto; min-height: var(--nav-h); }
    .nav__inner { height: var(--nav-h); }

    .about__badge { right: 0; }
    .about__pillars { grid-template-columns: 1fr; }
    .footer__inner { flex-direction: column; align-items: flex-start; }
    .footer__nav { flex-wrap: wrap; gap: var(--space-4); }
}

@media (max-width: 479px) {
    .newsletter-form { flex-direction: column; }
    .newsletter-form__field, .newsletter-form__submit { width: 100%; }
    .btn--lg { width: 100%; justify-content: center; }
}

/* ── Selección ──────────────────────────────────────────── */
::selection { background: rgba(0,224,255,0.25); color: #fff; }
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--clr-bg); }
::-webkit-scrollbar-thumb { background: var(--clr-surface-3); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--clr-cyan); }