/* ===== AITI Nuevo Laredo — tema tecnológico oscuro ===== */
:root {
  --bg-0: #040817;
  --bg-1: #070D24;
  --bg-2: #0B1433;
  --surface: rgba(255, 255, 255, .035);
  --surface-2: rgba(255, 255, 255, .06);
  --border: rgba(148, 170, 255, .12);
  --border-2: rgba(148, 170, 255, .22);
  --text: #E8EDFF;
  --text-2: #9DA9CC;
  --text-3: #6A7699;
  --teal: #22B5BA;
  --teal-2: #4FE3E0;
  --grad: linear-gradient(100deg, #4FE3E0 0%, #22B5BA 40%, #6B8CFF 100%);
  --logo-node: var(--bg-0);

  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;

  --radius: 14px;
  --radius-lg: 20px;
  --header-h: 72px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); -webkit-text-size-adjust: 100%; background: var(--bg-0); }
body {
  margin: 0; font-family: var(--font-body); font-size: 1rem; line-height: 1.65;
  color: var(--text); background: var(--bg-0); -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
h1, h2, h3 { font-family: var(--font-display); line-height: 1.08; letter-spacing: -0.03em; margin: 0 0 .5em; color: #fff; font-weight: 600; }
h1 { font-size: clamp(2.5rem, 6vw, 4.6rem); letter-spacing: -0.04em; }
h2 { font-size: clamp(1.9rem, 3.8vw, 3rem); }
h3 { font-size: 1.22rem; letter-spacing: -0.01em; }
p { margin: 0 0 1em; }
strong { color: #fff; font-weight: 600; }
.mono { font-family: var(--font-mono); letter-spacing: 0; }
.grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
::selection { background: rgba(34,181,186,.35); color: #fff; }

.container { width: min(1200px, 100% - 32px); margin-inline: auto; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--teal); color: var(--bg-0); padding: 8px 14px; border-radius: 8px; z-index: 100; }
.skip:focus { left: 16px; }
:focus-visible { outline: 2px solid var(--teal-2); outline-offset: 3px; border-radius: 6px; }

/* Fondo cuadriculado global */
.bg-grid {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background-image:
    linear-gradient(rgba(120,150,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120,150,255,.045) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000 30%, transparent 100%);
}

/* ===== Botones ===== */
.btn {
  position: relative; display: inline-flex; align-items: center; justify-content: center; gap: .55em;
  font-family: var(--font-display); font-weight: 500; font-size: 1rem; letter-spacing: -0.01em;
  padding: .85em 1.45em; border-radius: 12px; border: 1px solid transparent;
  text-decoration: none; cursor: pointer; overflow: hidden;
  transition: transform .2s ease, box-shadow .25s ease, border-color .25s ease, background .25s ease;
}
.btn .arrow { transition: transform .25s ease; }
.btn:hover .arrow { transform: translateX(3px); }
.btn:active { transform: translateY(1px); }
.btn-primary { background: linear-gradient(180deg, #3CD6D6, #1FA9AE); color: #031018; box-shadow: 0 0 0 1px rgba(79,227,224,.4) inset, 0 10px 30px -8px rgba(34,181,186,.6); }
.btn-primary:hover { box-shadow: 0 0 0 1px rgba(79,227,224,.7) inset, 0 14px 40px -6px rgba(34,181,186,.8); }
.btn-ghost { color: var(--text); background: var(--surface); border-color: var(--border-2); backdrop-filter: blur(8px); }
.btn-ghost:hover { border-color: rgba(79,227,224,.6); background: rgba(79,227,224,.06); }
.btn-sm { padding: .55em 1.05em; font-size: .93rem; border-radius: 10px; }

.pulse { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--teal-2); animation: pulse 2.2s infinite; flex: none; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(79,227,224,.55); } 70% { box-shadow: 0 0 0 10px rgba(79,227,224,0); } 100% { box-shadow: 0 0 0 0 rgba(79,227,224,0); } }

.kicker { display: inline-flex; align-items: center; gap: .7em; font-family: var(--font-display); font-size: .9rem; font-weight: 500; color: var(--text-2); margin-bottom: 1.1rem; }
.kicker .mono { color: var(--teal-2); font-size: .82rem; }

/* ===== Header ===== */
.site-header {
  position: sticky; top: 0; z-index: 50; height: var(--header-h);
  background: rgba(4, 8, 23, .55); backdrop-filter: saturate(160%) blur(14px); -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid transparent; transition: border-color .25s, background .25s;
}
.site-header.scrolled { border-color: var(--border); background: rgba(4, 8, 23, .82); }
.header-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.brand-mark { width: 78px; height: 46px; color: #fff; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; border-left: 1px solid var(--border-2); padding-left: 12px; }
.brand-name { font-family: var(--font-display); font-weight: 600; font-size: .95rem; color: #fff; }
.brand-sub { font-family: var(--font-mono); font-size: .68rem; color: var(--text-3); text-transform: uppercase; letter-spacing: .08em; }
.nav { display: flex; align-items: center; gap: 2px; }
.nav a:not(.btn) { text-decoration: none; font-size: .93rem; color: var(--text-2); padding: .5em .85em; border-radius: 8px; transition: color .2s, background .2s; }
.nav a:not(.btn):hover, .nav a.active:not(.btn) { color: #fff; background: var(--surface-2); }
.nav .btn { margin-left: 12px; }
.nav-toggle { display: none; }

/* ===== Hero ===== */
.hero { position: relative; overflow: hidden; isolation: isolate; padding-block: clamp(40px, 6vw, 72px); }
.hero-aurora {
  position: absolute; z-index: -1; inset: -20% -10% auto -10%; height: 120%;
  background:
    radial-gradient(40% 45% at 75% 35%, rgba(34,181,186,.28), transparent 70%),
    radial-gradient(35% 40% at 95% 10%, rgba(76,125,255,.25), transparent 70%),
    radial-gradient(30% 30% at 10% 0%, rgba(76,125,255,.12), transparent 70%);
  filter: blur(20px);
}
.hero-inner { display: grid; grid-template-columns: 1.05fr 1fr; gap: 32px; align-items: center; min-height: min(78vh, 720px); }
.tag {
  display: inline-flex; align-items: center; flex-wrap: wrap; gap: .6em; font-size: .85rem; color: var(--text-2);
  padding: .45em .95em .45em .8em; border: 1px solid var(--border-2); border-radius: 999px; background: var(--surface); margin-bottom: 1.6rem;
}
.tag .sep { color: var(--text-3); }
.tag .mono { color: var(--teal-2); font-size: .8rem; }
.hero h1 { max-width: 13ch; }
.lead { font-size: clamp(1.05rem, 1.5vw, 1.2rem); color: var(--text-2); max-width: 54ch; margin-bottom: 2.2rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 2.4rem; }
.hero-meta span { font-family: var(--font-mono); font-size: .76rem; color: var(--text-3); padding: .35em .75em; border: 1px dashed var(--border-2); border-radius: 6px; }

.hero-visual { position: relative; aspect-ratio: 1; width: 100%; max-width: 620px; justify-self: end; }
.globe { width: 100%; height: 100%; display: block; }
.hud {
  position: absolute; font-size: .72rem; color: var(--text-2); padding: .45em .8em; border-radius: 8px;
  background: rgba(7,13,36,.7); border: 1px solid var(--border-2); backdrop-filter: blur(8px); display: inline-flex; align-items: center; gap: .55em;
}
.hud b { color: var(--teal-2); font-weight: 500; }
.hud-tl { top: 8%; left: 2%; }
.hud-br { bottom: 10%; right: 4%; }
.gl-dot { width: 7px; height: 7px; border-radius: 50%; background: #FFD36E; box-shadow: 0 0 10px #FFD36E; }

/* Marquee */
.marquee { position: relative; border-block: 1px solid var(--border); background: rgba(7,13,36,.6); overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); }
.marquee-track { display: flex; width: max-content; animation: marquee 40s linear infinite; }
.marquee-track span { font-family: var(--font-display); font-size: 1.05rem; color: var(--text-2); padding: 18px 0 18px 28px; white-space: nowrap; display: inline-flex; align-items: center; }
.marquee-track span::after { content: "◆"; font-size: .55rem; color: var(--teal); margin-left: 28px; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ===== Secciones ===== */
.section { position: relative; padding: clamp(80px, 11vw, 140px) 0; }
.section-alt { background: linear-gradient(180deg, transparent, rgba(11,20,51,.55) 15%, rgba(11,20,51,.55) 85%, transparent); }
.section-head { max-width: 760px; margin-bottom: clamp(40px, 5vw, 64px); }
.body-lg { font-size: 1.2rem; color: var(--text); line-height: 1.6; }
.body-muted { color: var(--text-2); font-size: 1.06rem; max-width: 56ch; margin-bottom: 2rem; }
.split { display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(32px, 6vw, 96px); align-items: end; margin-bottom: clamp(48px, 6vw, 72px); }
.split h2 { margin: 0; }

/* Tarjetas de vidrio con brillo que sigue el cursor */
.card {
  --mx: 50%; --my: 50%;
  position: relative; border-radius: var(--radius-lg); padding: 28px;
  background: linear-gradient(180deg, rgba(255,255,255,.045), rgba(255,255,255,.015));
  border: 1px solid var(--border);
  transition: border-color .3s ease, transform .3s ease;
}
.card.glow::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none; opacity: 0; transition: opacity .3s;
  background: radial-gradient(420px circle at var(--mx) var(--my), rgba(79,227,224,.10), transparent 45%);
}
.card.glow::after {
  content: ""; position: absolute; inset: -1px; border-radius: inherit; pointer-events: none; padding: 1px; opacity: 0; transition: opacity .3s;
  background: radial-gradient(300px circle at var(--mx) var(--my), rgba(79,227,224,.75), transparent 50%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude;
}
.card.glow:hover::before, .card.glow:hover::after { opacity: 1; }
.card.glow:hover { transform: translateY(-3px); }
.card p { color: var(--text-2); margin: 0; }
.card-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 28px; }
.idx { font-size: .78rem; color: var(--text-3); }
.chip-ico {
  width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; color: var(--teal-2); flex: none;
  background: radial-gradient(circle at 30% 20%, rgba(79,227,224,.22), rgba(34,181,186,.06));
  border: 1px solid rgba(79,227,224,.25); box-shadow: 0 0 24px -6px rgba(79,227,224,.45);
}
.chip-ico svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.chips { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.chips li { font-size: .85rem; padding: .3em .8em; border-radius: 999px; color: var(--text); background: var(--surface-2); border: 1px solid var(--border); }
.chips-sm { margin-top: 22px; }
.chips-sm li { font-family: var(--font-mono); font-size: .74rem; color: var(--teal-2); border-color: rgba(79,227,224,.25); background: rgba(79,227,224,.05); }

.mvv { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }

/* Bento */
.bento { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.bento-lg { grid-row: span 2; display: flex; flex-direction: column; }
.bento-lg h3 { font-size: 1.6rem; }
.bento-lg p { font-size: 1.04rem; }
.bento-wide { grid-column: 1 / -1; }
.code {
  margin: 28px 0 0; padding: 16px 18px; border-radius: 12px; background: rgba(2,5,16,.7); border: 1px solid var(--border);
  font-size: .8rem; color: var(--text-2); white-space: pre-wrap; word-break: break-word;
}
.bento-lg .code { margin-top: auto; }
.bento-lg .chips-sm { margin-bottom: 28px; }
.c-k { color: #8FA6FF; } .c-f { color: var(--teal-2); } .c-s { color: #FFD36E; }

/* Comunidad */
.audiences { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.aud-tag { display: block; font-size: .76rem; color: var(--teal-2); margin-bottom: 18px; }
.audience > p { margin-bottom: 18px; }
.ticks { list-style: none; margin: 0; padding: 0; }
.ticks li { position: relative; padding: .55em 0 .55em 24px; border-top: 1px solid var(--border); font-size: .94rem; color: var(--text); }
.ticks li::before { content: ""; position: absolute; left: 2px; top: 1.08em; width: 10px; height: 6px; border-left: 2px solid var(--teal-2); border-bottom: 2px solid var(--teal-2); transform: rotate(-45deg); }
.ticks-lg li { font-size: 1rem; padding-block: .8em; }

.steps { list-style: none; padding: 0; margin: clamp(48px, 6vw, 72px) 0 0; display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; background: rgba(255,255,255,.02); }
.steps li { display: flex; gap: 18px; padding: 28px; }
.steps li + li { border-left: 1px solid var(--border); }
.steps h3 { margin-bottom: .25em; }
.steps p { color: var(--text-2); margin: 0; font-size: .95rem; }
.step-n { font-size: .8rem; color: var(--bg-0); background: var(--teal-2); border-radius: 6px; padding: .15em .45em; height: fit-content; margin-top: .2em; }

/* Actividades / terminal */
.activities { display: grid; grid-template-columns: 1fr 1.05fr; gap: clamp(40px, 6vw, 80px); align-items: center; }
.terminal { border-radius: var(--radius-lg); border: 1px solid var(--border-2); background: rgba(2,5,16,.85); box-shadow: 0 30px 80px -20px rgba(0,0,0,.6), 0 0 60px -20px rgba(34,181,186,.35); overflow: hidden; min-width: 0; }
.term-bar { display: flex; align-items: center; gap: 8px; padding: 12px 16px; border-bottom: 1px solid var(--border); background: rgba(255,255,255,.03); }
.term-bar span { width: 11px; height: 11px; border-radius: 50%; flex: none; }
.term-bar span:nth-child(1) { background: #FF5F57; } .term-bar span:nth-child(2) { background: #FEBC2E; } .term-bar span:nth-child(3) { background: #28C840; }
.term-bar p { margin: 0 0 0 10px; font-size: .78rem; color: var(--text-3); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.term-body { padding: 22px 22px 26px; font-size: .86rem; line-height: 1.9; color: var(--text); overflow-x: auto; }
.term-body p { margin: 0; white-space: pre; }
.t-p { color: var(--teal-2); } .t-ok { color: #28C840; } .t-c { color: var(--text-3); } .t-o { padding-left: 1.2em; } .t-warn { color: #FFD36E; }
.caret { display: inline-block; width: .6em; height: 1.1em; background: var(--teal-2); vertical-align: -0.2em; animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* Únete */
.join { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(40px, 5vw, 72px); align-items: start; }
.join-copy { position: sticky; top: calc(var(--header-h) + 32px); }
.join-copy .ticks { max-width: 440px; }
.join-form { padding: clamp(24px, 3.5vw, 36px); background: linear-gradient(180deg, rgba(255,255,255,.055), rgba(255,255,255,.02)); border-color: var(--border-2); box-shadow: 0 30px 80px -30px rgba(34,181,186,.35); }
.field { display: flex; flex-direction: column; gap: 8px; margin: 0 0 22px; min-width: 0; padding: 0; border: 0; }
label { font-size: .86rem; font-weight: 500; color: var(--text); }
.opt { font-weight: 400; color: var(--text-3); }
input, select, textarea {
  font: inherit; color: var(--text); width: 100%; padding: .8em .95em; border-radius: 10px;
  border: 1px solid var(--border-2); background-color: rgba(2,5,16,.55); transition: border-color .2s, box-shadow .2s, background-color .2s;
}
select { appearance: none; -webkit-appearance: none; padding-right: 2.4em;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%239DA9CC' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right .8em center; background-size: 16px; }
select option { background: var(--bg-2); color: var(--text); }
textarea { resize: vertical; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--teal-2); box-shadow: 0 0 0 4px rgba(79,227,224,.14); background-color: rgba(2,5,16,.8); }
.field.invalid input, .field.invalid select { border-color: #FF6B6B; }
.form-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 8px; }
.form-status { margin: 14px 0 0; font-size: .9rem; min-height: 1.4em; color: var(--teal-2); }
.form-status.error { color: #FF8A8A; }

/* Contacto */
.contact-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.contact-card { display: flex; flex-direction: column; gap: 6px; text-decoration: none; min-width: 0; }
.contact-card .chip-ico { margin-bottom: 20px; }
.cc-label { font-size: .74rem; color: var(--text-3); text-transform: uppercase; letter-spacing: .1em; }
.cc-value { font-family: var(--font-display); font-weight: 500; color: #fff; font-size: 1.08rem; overflow-wrap: anywhere; }

/* Footer */
.site-footer { position: relative; padding: clamp(64px, 9vw, 110px) 0 28px; border-top: 1px solid var(--border); background: radial-gradient(60% 80% at 50% 0%, rgba(34,181,186,.12), transparent 70%), var(--bg-0); }
.footer-cta { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 24px; padding-bottom: clamp(48px, 6vw, 72px); margin-bottom: 48px; border-bottom: 1px solid var(--border); }
.footer-cta h2 { margin: 0; font-size: clamp(2rem, 5vw, 3.6rem); }
.footer-inner { display: flex; justify-content: space-between; gap: 40px; flex-wrap: wrap; padding-bottom: 40px; }
.footer-brand { max-width: 380px; }
.footer-mark { width: 130px; height: 77px; color: #fff; margin-bottom: 16px; }
.footer-brand p { font-size: .94rem; color: var(--text-2); margin: 0; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 8px 28px; align-content: flex-start; }
.footer-nav a { text-decoration: none; color: var(--text-2); transition: color .2s; }
.footer-nav a:hover { color: var(--teal-2); }
.footer-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px 24px; padding-top: 24px; border-top: 1px solid var(--border); font-size: .76rem; color: var(--text-3); }
.footer-bottom p { margin: 0; display: inline-flex; align-items: center; gap: .6em; }

/* Aparición */
.reveal { opacity: 0; transform: translateY(20px); filter: blur(4px); transition: opacity .8s ease, transform .8s cubic-bezier(.2,.7,.2,1), filter .8s ease; }
.reveal.visible { opacity: 1; transform: none; filter: none; }

/* ===== Responsivo ===== */
@media (max-width: 1080px) {
  .audiences, .contact-grid { grid-template-columns: repeat(2, 1fr); }
  .bento { grid-template-columns: repeat(2, 1fr); }
  .bento-lg { grid-row: auto; grid-column: span 2; }
}
@media (max-width: 900px) {
  .nav-toggle { display: inline-flex; flex-direction: column; justify-content: center; gap: 5px; width: 44px; height: 44px; border: 1px solid var(--border-2); background: var(--surface); cursor: pointer; padding: 11px; border-radius: 10px; }
  .nav-toggle span { display: block; height: 2px; background: #fff; border-radius: 2px; transition: transform .25s, opacity .25s; }
  .nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .nav {
    position: fixed; inset: var(--header-h) 0 auto 0; flex-direction: column; align-items: stretch; gap: 2px;
    background: rgba(4,8,23,.97); padding: 12px 16px 20px; border-bottom: 1px solid var(--border);
    transform: translateY(-8px); opacity: 0; visibility: hidden; transition: opacity .2s, transform .2s, visibility .2s;
  }
  .nav.open { transform: none; opacity: 1; visibility: visible; }
  .nav a:not(.btn) { padding: .85em .9em; font-size: 1.02rem; }
  .nav .btn { margin: 10px 0 0; }
  .hero-inner { grid-template-columns: 1fr; min-height: 0; gap: 0; }
  .hero-visual { justify-self: center; max-width: 460px; margin-top: 8px; }
  .split, .mvv, .activities, .join { grid-template-columns: 1fr; }
  .split { align-items: start; }
  .steps { grid-template-columns: 1fr; }
  .steps li + li { border-left: 0; border-top: 1px solid var(--border); }
}
@media (max-width: 600px) {
  .brand-text { display: none; }
  .bento, .audiences, .contact-grid { grid-template-columns: 1fr; }
  .bento-lg, .bento-wide { grid-column: auto; }
  .hero-actions .btn, .form-actions .btn, .footer-cta .btn { width: 100%; }
  .hud { font-size: .64rem; }
  .term-body { font-size: .74rem; padding: 18px 16px; }
  .card { padding: 24px; }
}
/* ===== Grupos de entrada (prefijos) ===== */
.input-group { position: relative; display: flex; align-items: stretch; width: 100%; border: 1px solid var(--border-2); border-radius: 10px; background-color: rgba(2,5,16,.55); transition: border-color .2s, box-shadow .2s; }
.input-group:focus-within { border-color: var(--teal-2); box-shadow: 0 0 0 4px rgba(79,227,224,.14); }
.input-group input { border: 0; background: transparent; border-radius: 0; min-width: 0; flex: 1 1 auto; }
.input-group input:focus { box-shadow: none; background: transparent; }
.addon { display: inline-flex; align-items: center; gap: 8px; padding: 0 .85em; color: var(--text-2); font-family: var(--font-mono); font-size: .92rem; white-space: nowrap; flex: none; user-select: none; }
.addon-mid { padding: 0 .3em; color: var(--teal-2); font-size: 1.05rem; font-weight: 500; }
.email-group #f-correo-user { flex: 1.1 1 0; }
.email-group #f-correo-dom { flex: 1 1 0; }
.field.invalid .input-group { border-color: #FF6B6B; }
:root[data-theme="light"] .input-group { background-color: #F7F9FD; }
:root[data-theme="light"] .input-group:focus-within { background-color: #fff; box-shadow: 0 0 0 4px rgba(12,154,160,.14); }
:root[data-theme="light"] .input-group input, :root[data-theme="light"] .input-group input:focus { background-color: transparent; box-shadow: none; }
.svg-sprite { position: absolute; width: 0; height: 0; overflow: hidden; }

/* ===== Formulario ===== */
.form-intro { padding-bottom: 22px; margin-bottom: 24px; border-bottom: 1px solid var(--border); }
.form-intro h3 { font-size: 1.5rem; margin-bottom: .2em; }
.form-intro p { font-size: .96rem; }
.join-form input:not([type="radio"]):not([type="checkbox"]), .join-form textarea { min-height: 50px; }
.join-form textarea { line-height: 1.5; }
.join-form input::placeholder, .join-form textarea::placeholder { color: var(--text-3); opacity: 1; }
legend { padding: 0; margin-bottom: 10px; font-size: .86rem; font-weight: 500; color: var(--text); }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 16px; }
.label-row { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; }
.count { font-family: var(--font-mono); font-size: .72rem; color: var(--text-3); }

.perfil-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 8px; }
.perfil-opt { position: relative; display: block; cursor: pointer; }
.perfil-opt input { position: absolute; inset: 0; width: 100%; height: 100%; margin: 0; opacity: 0; cursor: pointer; }
.perfil-card {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; min-height: 84px; padding: 12px 6px;
  border: 1px solid var(--border-2); border-radius: 12px; background: var(--surface); text-align: center;
  font-size: .82rem; font-weight: 500; color: var(--text-2); transition: border-color .2s, background .2s, color .2s;
}
.perfil-card svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.perfil-opt:hover .perfil-card { border-color: var(--teal-2); color: var(--text); }
.perfil-opt input:checked + .perfil-card { border-color: var(--teal-2); background: rgba(79,227,224,.1); color: var(--teal-2); box-shadow: inset 0 0 0 1px var(--teal-2); }
.perfil-opt input:focus-visible + .perfil-card { outline: 2px solid var(--teal-2); outline-offset: 2px; }
.field.invalid .perfil-card { border-color: #FF6B6B; }

.dom-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.dom-chips button {
  font: inherit; font-size: .78rem; color: var(--text-2); background: transparent; cursor: pointer;
  padding: .32em .75em; border: 1px solid var(--border); border-radius: 999px; transition: border-color .2s, color .2s, background .2s;
}
.dom-chips button:hover { border-color: var(--teal-2); color: var(--text); }
.dom-chips button[aria-pressed="true"] { border-color: var(--teal-2); color: var(--teal-2); background: rgba(79,227,224,.08); }

.err { display: none; font-size: .8rem; color: #FF8A8A; }
.field.invalid .err { display: block; }
.btn-ico { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.join-form .form-actions { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin-top: 4px; }
.join-form .form-actions .btn { width: 100%; min-height: 52px; padding-inline: .9em; font-size: .96rem; }
.form-note { margin: 14px 0 0; font-size: .8rem; line-height: 1.5; color: var(--text-3); }
.form-status { min-height: 0; }
.form-status:empty { display: none; }
:root[data-theme="light"] .err { color: #C62F2F; }
:root[data-theme="light"] .perfil-card { background: #F7F9FD; }
:root[data-theme="light"] .perfil-opt input:checked + .perfil-card { background: rgba(12,154,160,.08); }
:root[data-theme="light"] .dom-chips button[aria-pressed="true"] { background: rgba(12,154,160,.08); }
@media (max-width: 900px) { .join-copy { position: static; } }
@media (max-width: 600px) {
  .form-grid, .join-form .form-actions { grid-template-columns: minmax(0, 1fr); }
  .perfil-grid { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .perfil-opt { grid-column: span 2; }
  .perfil-opt:nth-child(n+4) { grid-column: span 3; }
}

/* ===== Casillas de consentimiento ===== */
.check-field { gap: 10px; }
.check { display: flex; align-items: flex-start; gap: 10px; font-size: .86rem; font-weight: 400; line-height: 1.45; color: var(--text-2); cursor: pointer; }
.check input { flex: none; width: 18px; height: 18px; margin: 1px 0 0; padding: 0; accent-color: var(--teal); cursor: pointer; }
.check a, .form-note a { color: var(--teal-2); }
.field.invalid .check input[name="acepta"] { outline: 2px solid #FF6B6B; outline-offset: 1px; }

/* ===== Aviso de cookies ===== */
.cookie-banner {
  position: fixed; z-index: 60; left: 16px; bottom: 16px; width: min(400px, calc(100% - 32px)); padding: 18px 20px;
  border: 1px solid var(--border-2); border-radius: 16px; background: #0D1636; box-shadow: 0 24px 60px -16px rgba(0,0,0,.7);
}
.cookie-title { margin: 0 0 4px; font-family: var(--font-display); font-weight: 600; color: var(--text); }
.cookie-text { margin: 0 0 14px; font-size: .88rem; line-height: 1.5; color: var(--text-2); }
.cookie-actions { display: flex; align-items: center; gap: 14px; }
.cookie-actions a { font-size: .88rem; color: var(--teal-2); }
:root[data-theme="light"] .cookie-banner { background: #fff; box-shadow: 0 24px 60px -18px rgba(14,26,64,.35); }

/* ===== Página legal ===== */
.legal-back { margin-left: auto; }
.legal { max-width: 800px; padding-block: clamp(48px, 7vw, 88px); }
.legal-head { margin-bottom: 32px; }
.legal-head h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); margin-bottom: .3em; }
.legal-date { margin: 0; font-size: .8rem; color: var(--text-3); }
.legal-toc { display: flex; flex-wrap: wrap; gap: 8px; padding-bottom: 28px; margin-bottom: 8px; border-bottom: 1px solid var(--border); }
.legal-toc a { font-size: .84rem; color: var(--text-2); text-decoration: none; padding: .35em .8em; border: 1px solid var(--border); border-radius: 999px; transition: border-color .2s, color .2s; }
.legal-toc a:hover { border-color: var(--teal-2); color: var(--text); }
.legal section { padding-top: 36px; scroll-margin-top: var(--header-h); }
.legal h2 { font-size: 1.45rem; margin-bottom: .6em; }
.legal h3 { font-size: 1.05rem; margin: 1.2em 0 .4em; }
.legal p, .legal li { color: var(--text-2); }
.legal strong { color: var(--text); }
.legal ul { margin: 0 0 1em; padding-left: 1.2em; }
.legal li { margin-bottom: .35em; }
.legal section a { color: var(--teal-2); }
.legal-table-wrap { overflow-x: auto; margin-bottom: 1em; border: 1px solid var(--border); border-radius: 12px; }
.legal-table { width: 100%; min-width: 460px; border-collapse: collapse; font-size: .9rem; }
.legal-table th, .legal-table td { padding: .7em .9em; text-align: left; color: var(--text-2); border-bottom: 1px solid var(--border); }
.legal-table th { font-family: var(--font-display); font-weight: 600; color: var(--text); }
.legal-table tr:last-child td { border-bottom: 0; }
.legal-footer { padding-block: 0 24px; border-top: 0; background: transparent; }
.legal-footer a { color: inherit; }
:root[data-theme="light"] .legal-footer { background: transparent; }

/* ===== Selector de país ===== */
.country { flex: none; display: flex; }
.country-btn {
  display: inline-flex; align-items: center; gap: 7px; padding: 0 10px 0 12px; height: 100%; min-height: 48px; cursor: pointer;
  font-family: var(--font-mono); font-size: .9rem; color: var(--text); background: transparent;
  border: 0; border-right: 1px solid var(--border-2); border-radius: 9px 0 0 9px; transition: background .2s;
}
.country-btn:hover, .country-btn[aria-expanded="true"] { background: var(--surface-2); }
.country-btn img, .country-list img { width: 24px; height: 16px; border-radius: 2px; box-shadow: 0 0 0 1px rgba(0,0,0,.18); flex: none; }
.country-chev { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; color: var(--text-3); transition: transform .2s; }
.country-btn[aria-expanded="true"] .country-chev { transform: rotate(180deg); }
.country-panel {
  position: absolute; z-index: 30; top: calc(100% + 6px); left: 0; width: min(320px, 100%); min-width: 270px; overflow: hidden;
  background: #0D1636; border: 1px solid var(--border-2); border-radius: 12px; box-shadow: 0 20px 50px -12px rgba(0,0,0,.65);
}
.country-panel[hidden] { display: none; }
.join-form .country-search { width: 100%; min-height: 44px; padding: .6em .9em; font-size: .9rem; border-bottom: 1px solid var(--border); }
.country-list { list-style: none; margin: 0; padding: 4px; max-height: 240px; overflow-y: auto; overscroll-behavior: contain; }
.country-list li { display: flex; align-items: center; gap: 10px; padding: .5em .6em; border-radius: 8px; font-size: .9rem; cursor: pointer; color: var(--text); }
.country-list li:hover, .country-list li.active { background: var(--surface-2); }
.country-list li[aria-selected="true"] { color: var(--teal-2); }
.c-name { flex: 1; min-width: 0; }
.c-dial { font-family: var(--font-mono); font-size: .8rem; color: var(--text-3); }
.country-list li.c-empty { cursor: default; color: var(--text-3); }
.country-list li.c-empty:hover { background: transparent; }
:root[data-theme="light"] .country-panel { background: #fff; box-shadow: 0 20px 50px -14px rgba(14,26,64,.3); }
@media (max-width: 600px) { .country-panel { width: 100%; min-width: 0; } }

/* ===== Botón de tema ===== */
.theme-toggle {
  width: 40px; height: 40px; border-radius: 10px; border: 1px solid var(--border-2); background: var(--surface);
  color: var(--text); display: grid; place-items: center; cursor: pointer; margin-left: auto; margin-right: 8px; flex: none;
  transition: border-color .2s, background .2s;
}
.theme-toggle:hover { border-color: var(--teal-2); }
.theme-toggle svg { width: 19px; height: 19px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; grid-area: 1 / 1; transition: transform .35s ease, opacity .25s; }
:root[data-theme="dark"] .ico-moon, :root:not([data-theme]) .ico-moon { opacity: 0; transform: rotate(-60deg) scale(.6); }
:root[data-theme="light"] .ico-sun { opacity: 0; transform: rotate(60deg) scale(.6); }
.header-inner .nav { order: 1; margin-left: auto; }
.header-inner .theme-toggle { order: 2; margin-left: 8px; margin-right: 0; }
@media (max-width: 900px) {
  .header-inner .theme-toggle { order: 0; margin-left: auto; }
  .header-inner .nav-toggle { order: 3; }
}

/* Bloques que siempre son oscuros (código y terminal) */
.terminal, .code {
  --text: #E8EDFF; --text-2: #9DA9CC; --text-3: #6A7699; --teal-2: #4FE3E0;
  --border: rgba(148,170,255,.12); --border-2: rgba(148,170,255,.22);
}

/* ===== Tema claro ===== */
:root[data-theme="light"] {
  --bg-0: #F4F7FC;
  --bg-1: #FFFFFF;
  --bg-2: #E9EFF9;
  --surface: rgba(19, 35, 91, .035);
  --surface-2: rgba(19, 35, 91, .06);
  --border: rgba(19, 35, 91, .10);
  --border-2: rgba(19, 35, 91, .18);
  --text: #0E1A40;
  --text-2: #4A5680;
  --text-3: #7A86A8;
  --teal-2: #0C9AA0;
  --grad: linear-gradient(100deg, #0C9AA0 0%, #1A7FC8 55%, #3B4FCF 100%);
  --logo-node: #FFFFFF;
  color-scheme: light;
}
:root[data-theme="dark"] { color-scheme: dark; }
:root[data-theme="light"] h1, :root[data-theme="light"] h2, :root[data-theme="light"] h3,
:root[data-theme="light"] strong, :root[data-theme="light"] .brand-name, :root[data-theme="light"] .cc-value { color: var(--text); }
:root[data-theme="light"] .terminal h3 { color: #fff; }
:root[data-theme="light"] .brand-mark, :root[data-theme="light"] .footer-mark { color: #13235B; }
:root[data-theme="light"] .nav a:not(.btn):hover, :root[data-theme="light"] .nav a.active:not(.btn) { color: var(--text); }
:root[data-theme="light"] .nav-toggle span { background: var(--text); }
:root[data-theme="light"] .site-header { background: rgba(244, 247, 252, .7); }
:root[data-theme="light"] .site-header.scrolled { background: rgba(255, 255, 255, .9); }
:root[data-theme="light"] .bg-grid {
  background-image: linear-gradient(rgba(19,35,91,.055) 1px, transparent 1px), linear-gradient(90deg, rgba(19,35,91,.055) 1px, transparent 1px);
}
:root[data-theme="light"] .hero-aurora {
  background:
    radial-gradient(40% 45% at 75% 35%, rgba(34,181,186,.22), transparent 70%),
    radial-gradient(35% 40% at 95% 10%, rgba(76,125,255,.18), transparent 70%),
    radial-gradient(30% 30% at 10% 0%, rgba(76,125,255,.08), transparent 70%);
}
:root[data-theme="light"] .card {
  background: linear-gradient(180deg, #FFFFFF, rgba(255,255,255,.75));
  box-shadow: 0 1px 2px rgba(14,26,64,.04), 0 10px 30px -12px rgba(14,26,64,.12);
}
:root[data-theme="light"] .card.glow::before { background: radial-gradient(420px circle at var(--mx) var(--my), rgba(12,154,160,.08), transparent 45%); }
:root[data-theme="light"] .card.glow::after { background: radial-gradient(300px circle at var(--mx) var(--my), rgba(12,154,160,.75), transparent 50%); }
:root[data-theme="light"] .chip-ico { background: radial-gradient(circle at 30% 20%, rgba(12,154,160,.16), rgba(12,154,160,.04)); border-color: rgba(12,154,160,.3); box-shadow: none; }
:root[data-theme="light"] .chips-sm li { border-color: rgba(12,154,160,.3); background: rgba(12,154,160,.06); }
:root[data-theme="light"] .hud { background: rgba(255,255,255,.85); box-shadow: 0 6px 20px -8px rgba(14,26,64,.2); }
:root[data-theme="light"] .marquee { background: rgba(255,255,255,.7); }
:root[data-theme="light"] .section-alt { background: linear-gradient(180deg, transparent, rgba(19,35,91,.045) 15%, rgba(19,35,91,.045) 85%, transparent); }
:root[data-theme="light"] .steps { background: #fff; }
:root[data-theme="light"] .step-n { color: #fff; }
:root[data-theme="light"] .join-form { background: #fff; box-shadow: 0 30px 80px -30px rgba(14,26,64,.25); }
:root[data-theme="light"] input, :root[data-theme="light"] select, :root[data-theme="light"] textarea { background-color: #F7F9FD; }
:root[data-theme="light"] input:focus, :root[data-theme="light"] select:focus, :root[data-theme="light"] textarea:focus { background-color: #fff; box-shadow: 0 0 0 4px rgba(12,154,160,.14); }
:root[data-theme="light"] select { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%234A5680' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E"); }
:root[data-theme="light"] select option { background: #fff; }
:root[data-theme="light"] .form-status.error, :root[data-theme="light"] .field.invalid input, :root[data-theme="light"] .field.invalid select { color: #C62F2F; border-color: #E05555; }
:root[data-theme="light"] .field.invalid input { color: var(--text); }
:root[data-theme="light"] .site-footer { background: radial-gradient(60% 80% at 50% 0%, rgba(12,154,160,.10), transparent 70%), #FFFFFF; }
:root[data-theme="light"] .terminal { box-shadow: 0 30px 80px -30px rgba(14,26,64,.45); }
:root[data-theme="light"] .btn-primary { color: #021216; }
@media (max-width: 900px) {
  :root[data-theme="light"] .nav { background: rgba(255,255,255,.98); box-shadow: 0 20px 40px rgba(14,26,64,.12); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; filter: none; transition: none; }
  .marquee-track, .pulse, .caret { animation: none; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}

/* Página 404 */
.page-404 { min-height: 100vh; display: grid; place-items: center; text-align: center; }
.page-404 h1 { max-width: none; }
.page-404 .lead { margin-inline: auto; }
.p404-icon { margin: 0 auto 24px; }