/* ========== Código Sur — redesign ========== */
/* Tokens (paleta, tipografías, etc.) viven en /shared/tokens.css —
   asegurate de cargar tokens.css antes de este archivo. */

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--fg); font-family: var(--sans); -webkit-font-smoothing: antialiased; overflow-x: hidden; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; }
h1,h2,h3,h4 { margin: 0; letter-spacing: -0.02em; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }

/* native system cursor — custom cursor disabled */

/* -------- custom cursor (arrow + label) -------- */
.cursor {
  position: fixed; left: 0; top: 0; pointer-events: none; z-index: 9999;
  will-change: transform;
}
.cursor-arrow {
  position: absolute; left: 0; top: 0;
  color: var(--accent);
  filter: drop-shadow(0 4px 10px rgba(0,0,0,.45));
  transition: transform .2s cubic-bezier(.4,0,.2,1), color .2s ease;
  transform-origin: 2px 2px;
}
.cursor.hovering .cursor-arrow {
  transform: scale(1.15) rotate(-8deg);
  color: var(--accent);
}
.cursor-label {
  position: absolute; left: 26px; top: 16px;
  padding: 4px 9px; border-radius: 999px;
  background: var(--accent); color: var(--accent-ink);
  font-family: var(--mono); font-size: 10.5px; font-weight: 600;
  letter-spacing: .12em; text-transform: uppercase;
  white-space: nowrap;
  opacity: 0; transform: translate(-4px, 2px) scale(.92);
  transition: opacity .2s ease, transform .2s cubic-bezier(.4,0,.2,1);
  box-shadow: 0 6px 18px rgba(0,0,0,.35), 0 0 0 1px rgba(0,0,0,.15);
}
.cursor.labeled .cursor-label {
  opacity: 1; transform: translate(0, 0) scale(1);
}

/* -------- global bg -------- */
.bg-layer { position: fixed; inset: 0; z-index: -1; pointer-events: none; }
.bg-grain {
  position: fixed; inset: 0; z-index: -1; pointer-events: none; opacity: .6;
  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 0.9 0 0 0 0 1 0 0 0 0 0.9 0 0 0 0.35 0'/></filter><rect width='100%' height='100%' filter='url(%23n)' opacity='.5'/></svg>");
  mix-blend-mode: overlay;
}

/* -------- layout -------- */
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 28px; position: relative; }

/* -------- nav -------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 90;
  padding: 18px 0; transition: padding .25s ease, background .25s ease, border-color .25s ease, backdrop-filter .25s ease;
  border-bottom: 1px solid transparent;
}
.nav.scrolled { padding: 10px 0; background: rgba(7,9,10,.55); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px); border-bottom-color: var(--line); }
.nav-row { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.logo { display: flex; align-items: center; gap: 10px; }
.logo-img {
  height: 60px; width: 60px; border-radius: 10px; object-fit: cover;
  border: 1px solid var(--line-strong); display: block;
}
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a { padding: 8px 12px; font-size: 13.5px; color: var(--fg-dim); border-radius: 8px; transition: color .2s, background .2s; }
.nav-links a:hover { color: var(--fg); background: rgba(255,255,255,.04); }
.nav-links a.live::before { content: "●"; color: var(--accent); margin-right: 6px; font-size: 9px; vertical-align: 2px; animation: blink 1.4s infinite; }
.nav-actions { display: flex; gap: 8px; align-items: center; }
.pill {
  display: inline-flex; align-items: center; gap: 8px; padding: 8px 14px; border-radius: 999px;
  border: 1px solid var(--line-strong); font-size: 13px; color: var(--fg); background: rgba(255,255,255,.03); transition: all .2s;
}
.pill:hover { border-color: var(--accent); color: var(--accent); }
.pill.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); font-weight: 600; }
.pill.primary:hover { background: color-mix(in oklch, var(--accent) 85%, white); color: var(--accent-ink); }

@keyframes blink { 0%,40%,100%{opacity:1} 50%,90%{opacity:.25} }

/* -------- status bar (thin) -------- */
.statusbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100; height: 22px;
  display: flex; align-items: center; justify-content: space-between; padding: 0 14px;
  font-family: var(--mono); font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase;
  background: #000; color: var(--fg-mute); border-bottom: 1px solid var(--line);
}
.statusbar .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); display: inline-block; margin-right: 8px; box-shadow: 0 0 8px var(--accent); }
.statusbar span + span { margin-left: 18px; }
.statusbar .right { display: flex; gap: 18px; }

.nav { top: 22px; }

/* -------- HERO -------- */
.hero { position: relative; height: 100vh; min-height: 100vh; padding: 140px 0 60px; display: flex; align-items: center; overflow: hidden; }

/* Aurora animated background — only inside the hero */
.hero-aurora {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  overflow: hidden;
}
.hero-aurora canvas { width: 100% !important; height: 100% !important; display: block; }

.hero-grid {
  display: grid; grid-template-columns: 1.3fr .9fr; gap: 48px; align-items: end; width: 100%;
  position: relative; z-index: 2;
}
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 10px; padding: 6px 12px; border-radius: 999px;
  border: 1px solid var(--line-strong); background: rgba(255,255,255,.03);
  font-family: var(--mono); font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--fg-dim); margin-bottom: 28px;
}
.hero-eyebrow .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 10px var(--accent); }

.hero h1 {
  font-size: clamp(44px, 7.2vw, 112px); line-height: 0.96; font-weight: 600; letter-spacing: -0.035em; color: var(--fg);
}
.hero h1 .soft { color: var(--fg-mute); font-weight: 500; }
.hero h1 .accent {
  color: var(--accent); font-style: italic; font-weight: 500;
  text-shadow: 0 0 40px color-mix(in oklch, var(--accent) 40%, transparent);
}
.hero h1 em { font-style: italic; font-weight: 500; color: var(--fg); }

.hero-meta { display: flex; flex-direction: column; gap: 22px; padding-bottom: 8px; }
.hero-sub { font-size: 16px; line-height: 1.55; color: var(--fg-dim); max-width: 380px; }
.hero-ctas { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 4px; align-items: stretch; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 14px 20px; border-radius: 12px; font-size: 14px; font-weight: 500;
  border: 1px solid var(--line-strong); background: rgba(255,255,255,.03); color: var(--fg); transition: all .2s;
  line-height: 1; min-height: 48px;
}
.btn:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-1px); }
.btn.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); font-weight: 600; }
.btn.primary:hover { background: color-mix(in oklch, var(--accent) 86%, white); color: var(--accent-ink); box-shadow: 0 10px 28px -10px var(--accent); transform: translateY(-2px); }
.btn .arr { display: inline-block; transition: transform .2s; }
.btn:hover .arr { transform: translateX(3px); }
.btn .wa-ico { flex-shrink: 0; }
.btn.primary .wa-ico { color: var(--accent-ink); }

.hero-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; margin-top: 16px; border-top: 1px solid var(--line); padding-top: 18px; }
.hero-stat .n { font-family: var(--mono); font-size: 26px; color: var(--fg); font-weight: 500; letter-spacing: -.02em; }
.hero-stat .l { font-family: var(--mono); font-size: 10.5px; color: var(--fg-mute); letter-spacing: .14em; text-transform: uppercase; margin-top: 4px; }

/* marquee ticker */
.ticker {
  margin-top: 80px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  overflow: hidden; white-space: nowrap; padding: 14px 0; position: relative;
  background: linear-gradient(180deg, transparent, color-mix(in oklch, var(--accent) 1.5%, transparent), transparent);
}
.ticker-track { display: inline-block; animation: tick 38s linear infinite; }
.ticker span {
  display: inline-block; font-family: var(--mono); font-size: 14px; color: var(--fg-dim);
  padding: 0 30px; letter-spacing: .08em;
}
.ticker span::before { content: "✱"; color: var(--accent); margin-right: 30px; font-size: 10px; vertical-align: 2px; }
@keyframes tick { from { transform: translateX(0) } to { transform: translateX(-50%) } }

/* -------- section frame -------- */
.sect { position: relative; padding: 120px 0; border-top: 1px solid var(--line); }
.sect-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 40px; margin-bottom: 56px; flex-wrap: wrap; }
.sect-tag { display: inline-flex; align-items: center; gap: 8px; font-family: var(--mono); font-size: 11px; letter-spacing: .18em; text-transform: uppercase; color: var(--fg-mute); }
.sect-tag .idx { color: var(--accent); }
.sect-title { font-size: clamp(32px, 4.6vw, 56px); font-weight: 600; letter-spacing: -.03em; line-height: 1.05; max-width: 720px; }
.sect-title .accent { color: var(--accent); font-style: italic; font-weight: 500; }
.sect-desc { font-size: 15.5px; line-height: 1.6; color: var(--fg-dim); max-width: 360px; }

/* -------- manifesto strip -------- */
.manifesto { padding: 96px 0; border-top: 1px solid var(--line); }
.manifesto p {
  font-size: clamp(26px, 3.4vw, 44px); line-height: 1.25; font-weight: 500; letter-spacing: -.02em; color: var(--fg-mute);
}
.manifesto p .on { color: var(--fg); transition: color .4s; }
.manifesto p .on.lit { color: var(--accent); }

/* -------- SERVICIOS (modes) -------- */
.modes { display: grid; grid-template-columns: 340px 1fr; gap: 40px; align-items: stretch; }
.mode-list { display: flex; flex-direction: column; gap: 8px; }
.mode-btn {
  display: block; text-align: left; padding: 20px; border-radius: 14px;
  border: 1px solid var(--line); background: transparent; color: var(--fg-dim); transition: all .25s;
  position: relative;
}
.mode-btn:hover { border-color: var(--line-strong); color: var(--fg); }
.mode-btn.on { background: color-mix(in oklch, var(--accent) 4%, transparent); border-color: var(--accent); color: var(--fg); }
.mode-btn .mcode { font-family: var(--mono); font-size: 11px; color: var(--fg-mute); letter-spacing: .12em; }
.mode-btn.on .mcode { color: var(--accent); }
.mode-btn .mtitle { font-size: 19px; font-weight: 500; margin-top: 6px; letter-spacing: -.01em; }
.mode-btn .mhint { font-size: 13px; color: var(--fg-mute); margin-top: 8px; }
.mode-btn .mark {
  position: absolute; right: 18px; top: 50%; transform: translateY(-50%); width: 24px; height: 24px; border-radius: 50%;
  border: 1px solid var(--line-strong); display: grid; place-items: center; color: var(--fg-mute); font-size: 10px;
  transition: all .2s;
}
.mode-btn.on .mark { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }

.mode-panel {
  position: relative; border: 1px solid var(--line-strong); border-radius: 18px; padding: 36px 36px 32px;
  background: linear-gradient(180deg, rgba(255,255,255,.025), rgba(255,255,255,.01));
  min-height: 420px; overflow: hidden;
}
.mode-panel::before {
  content: ""; position: absolute; inset: 0; background:
    radial-gradient(600px 300px at 80% -10%, color-mix(in oklch, var(--accent) 18%, transparent), transparent 60%);
  pointer-events: none;
}
.mode-panel .p-code { font-family: var(--mono); font-size: 11px; color: var(--accent); letter-spacing: .14em; }
.mode-panel h3 { font-size: clamp(28px, 3vw, 40px); font-weight: 500; letter-spacing: -.02em; margin: 10px 0 16px; }
.mode-panel .p-desc { font-size: 16px; line-height: 1.6; color: var(--fg-dim); max-width: 620px; margin-bottom: 28px; }
.mode-capabilities { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px 32px; }
.mode-capabilities li { display: flex; gap: 12px; align-items: baseline; padding: 10px 0; border-top: 1px solid var(--line); font-size: 14px; color: var(--fg); }
.mode-capabilities li::before { content: "→"; color: var(--accent); font-family: var(--mono); }
.mode-panel .p-tools { margin-top: 32px; display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  font-family: var(--mono); font-size: 11.5px; padding: 6px 10px; border-radius: 6px;
  background: rgba(255,255,255,.04); border: 1px solid var(--line); color: var(--fg-dim); letter-spacing: .06em;
}

/* -------- NOSOTROS -------- */
.about { position: relative; }
.about-bg { position: absolute; inset: 0; z-index: 0; opacity: .45; pointer-events: none; }
.about-bg canvas { display: block; width: 100% !important; height: 100% !important; }
.about-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 64px; position: relative; z-index: 1; align-items: start; }
.about-lead { font-size: clamp(20px, 1.8vw, 24px); line-height: 1.5; color: var(--fg); font-weight: 400; max-width: 520px; }
.about-lead .accent { color: var(--accent); }
.about-points { margin-top: 40px; display: grid; gap: 2px; }
.about-point {
  display: grid; grid-template-columns: 60px 1fr auto; align-items: center; gap: 18px;
  padding: 20px 4px; border-top: 1px solid var(--line); transition: padding .25s, background .25s;
}
.about-point:last-child { border-bottom: 1px solid var(--line); }
.about-point:hover { padding-left: 16px; background: linear-gradient(90deg, color-mix(in oklch, var(--accent) 5%, transparent), transparent); }
.about-point .n { font-family: var(--mono); font-size: 12px; color: var(--fg-mute); letter-spacing: .1em; }
.about-point .t { font-size: 16.5px; color: var(--fg); }
.about-point .plus { font-family: var(--mono); font-size: 16px; color: var(--accent); opacity: 0; transform: translateX(-8px); transition: .2s; }
.about-point:hover .plus { opacity: 1; transform: translateX(0); }

.about-card {
  border: 1px solid var(--line-strong); border-radius: 16px; padding: 28px; background: rgba(11,14,16,.65); backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px); position: relative; overflow: hidden;
}
.about-card .lbl { font-family: var(--mono); font-size: 11px; color: var(--fg-mute); letter-spacing: .18em; text-transform: uppercase; }
.about-card h4 { font-size: 22px; font-weight: 500; letter-spacing: -.01em; margin: 6px 0 18px; }
.stack-list { display: flex; flex-direction: column; }
.stack-row { display: grid; grid-template-columns: 80px 1fr auto; gap: 16px; padding: 12px 0; border-top: 1px solid var(--line); font-family: var(--mono); font-size: 12.5px; color: var(--fg-dim); align-items: baseline; }
.stack-row:first-child { border-top: none; }
.stack-row .k { color: var(--fg-mute); }
.stack-row .v { color: var(--fg); letter-spacing: .02em; }
.stack-row .n { color: var(--accent); }

.about-quote { margin-top: 20px; padding: 22px 24px; border: 1px solid var(--line); border-radius: 14px; background: rgba(255,255,255,.02); }
.about-quote p { font-size: 16px; line-height: 1.55; color: var(--fg); font-style: italic; }
.about-quote .who { margin-top: 14px; display: flex; align-items: center; gap: 12px; font-family: var(--mono); font-size: 11.5px; color: var(--fg-mute); letter-spacing: .08em; }
.avatar { width: 26px; height: 26px; border-radius: 50%; background: linear-gradient(135deg, var(--accent), var(--accent-2)); }

/* -------- PROCESO (stepper) -------- */
.proc { position: relative; }
.proc-top { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: end; margin-bottom: 48px; }
.proc-progress { height: 2px; background: var(--line); position: relative; border-radius: 2px; overflow: hidden; }
.proc-progress .fill { position: absolute; inset: 0 auto 0 0; background: var(--accent); transition: width .5s cubic-bezier(.2,.8,.2,1); box-shadow: 0 0 12px var(--accent); }
.proc-steps { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); }
.pstep {
  position: relative; padding: 28px 28px 36px; border-left: 1px solid var(--line); cursor: pointer;
  transition: background .3s;
}
.pstep:first-child { border-left: none; }
.pstep .pnum { font-family: var(--mono); font-size: 11px; color: var(--fg-mute); letter-spacing: .14em; }
.pstep h4 { font-size: 22px; font-weight: 500; letter-spacing: -.01em; margin: 10px 0 14px; color: var(--fg); }
.pstep .pdesc { font-size: 14px; line-height: 1.55; color: var(--fg-dim); }
.pstep .pbar { position: absolute; left: 0; right: 0; top: -1px; height: 2px; background: var(--accent); transform: scaleX(0); transform-origin: left; transition: transform .5s; }
.pstep.on .pbar { transform: scaleX(1); }
.pstep.on { background: linear-gradient(180deg, color-mix(in oklch, var(--accent) 6%, transparent), transparent); }
.pstep.on .pnum { color: var(--accent); }
.proc-note { display: flex; gap: 10px; align-items: center; margin-top: 28px; font-family: var(--mono); font-size: 11.5px; color: var(--fg-mute); letter-spacing: .08em; }

/* -------- CONTACT -------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.contact-prompt {
  border: 1px solid var(--line-strong); border-radius: 16px; overflow: hidden; background: #0a0c0e;
}
.prompt-bar { display: flex; align-items: center; gap: 10px; padding: 10px 14px; border-bottom: 1px solid var(--line); background: #0e1113; font-family: var(--mono); font-size: 11px; color: var(--fg-mute); letter-spacing: .08em; }
.prompt-bar .lights { display: flex; gap: 6px; }
.prompt-bar .lights span { width: 10px; height: 10px; border-radius: 50%; background: #1f2427; }
.prompt-body { padding: 24px; font-family: var(--mono); font-size: 13px; line-height: 1.8; color: var(--fg); min-height: 360px; }
.prompt-body .c { color: var(--fg-mute); }
.prompt-body .g { color: var(--accent); }
.prompt-body .c2 { color: var(--accent-2); }
.prompt-body .cursor-blink::after { content: "▊"; color: var(--accent); margin-left: 4px; animation: blink2 1s steps(2) infinite; }
@keyframes blink2 { 50% { opacity: 0 } }

.contact-card {
  border: 1px solid var(--line-strong); border-radius: 16px; padding: 32px; background: rgba(255,255,255,.02); backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.contact-card h3 { font-size: clamp(26px, 2.6vw, 34px); font-weight: 500; letter-spacing: -.02em; margin-bottom: 8px; }
.contact-card .accent { color: var(--accent); font-style: italic; }
.contact-card .sub { font-size: 14.5px; color: var(--fg-dim); margin-bottom: 24px; }
.field { position: relative; margin-bottom: 14px; }
.field label { position: absolute; left: 14px; top: 14px; font-family: var(--mono); font-size: 11px; color: var(--fg-mute); letter-spacing: .1em; pointer-events: none; transition: .2s; }
.field input, .field textarea {
  width: 100%; padding: 30px 14px 14px; background: #0a0d0f; border: 1px solid var(--line); border-radius: 10px;
  color: var(--fg); font-family: inherit; font-size: 14.5px; outline: none; transition: border-color .2s, box-shadow .2s;
}
.field textarea { resize: vertical; min-height: 120px; }
.field input:focus, .field textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in oklch, var(--accent) 12%, transparent); }
.field.filled label, .field input:focus + label, .field textarea:focus + label { color: var(--accent); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.submit { width: 100%; margin-top: 8px; padding: 16px; border-radius: 10px; background: var(--accent); color: var(--accent-ink); font-weight: 600; border: none; cursor: pointer; transition: all .2s; letter-spacing: -.01em; }
.submit:hover { background: color-mix(in oklch, var(--accent) 85%, white); transform: translateY(-1px); box-shadow: 0 10px 24px -10px var(--accent); }
.submit:disabled { opacity: .5; cursor: not-allowed; transform: none; }
.form-msg { margin-top: 12px; font-family: var(--mono); font-size: 12px; color: var(--accent); letter-spacing: .08em; }
.contact-info-list { margin-top: 24px; display: flex; flex-direction: column; gap: 10px; border-top: 1px solid var(--line); padding-top: 20px; }
.cinfo { display: flex; align-items: center; gap: 14px; font-family: var(--mono); font-size: 13px; color: var(--fg-dim); }
.cinfo .k { color: var(--fg-mute); width: 80px; letter-spacing: .12em; text-transform: uppercase; font-size: 10.5px; }
.cinfo .v { color: var(--fg); }

/* -------- FOOTER -------- */
.foot { padding: 80px 0 32px; border-top: 1px solid var(--line); background: var(--bg-soft); }
.foot-top { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; padding-bottom: 56px; border-bottom: 1px solid var(--line); }
.foot h5 { font-family: var(--mono); font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: var(--fg-mute); margin-bottom: 18px; font-weight: 500; }
.foot ul li { margin-bottom: 10px; }
.foot ul a { font-size: 14px; color: var(--fg-dim); transition: color .2s; }
.foot ul a:hover { color: var(--accent); }
.foot-brand p { margin-top: 16px; font-size: 14.5px; color: var(--fg-dim); line-height: 1.55; max-width: 340px; }
.foot-bottom { padding: 22px 0 0; display: flex; justify-content: space-between; align-items: center; font-family: var(--mono); font-size: 11px; letter-spacing: .1em; color: var(--fg-mute); }
.foot-word { font-size: clamp(80px, 14vw, 220px); font-weight: 500; letter-spacing: -.06em; line-height: 1; color: transparent; -webkit-text-stroke: 1px var(--line-strong); margin-top: 48px; font-style: italic; }

/* -------- tweaks panel -------- */
.tweaks {
  position: fixed; right: 20px; bottom: 20px; z-index: 200;
  background: rgba(12,15,16,.92); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--line-strong); border-radius: 14px; padding: 16px; width: 260px; display: none;
  box-shadow: 0 20px 60px rgba(0,0,0,.5);
  font-family: var(--mono);
}
.tweaks.on { display: block; }
.tweaks h6 { font-family: var(--mono); font-size: 11px; letter-spacing: .18em; text-transform: uppercase; color: var(--fg-mute); margin: 0 0 12px; font-weight: 500; }
.tweaks .row { display: flex; gap: 6px; flex-wrap: wrap; }
.tweaks button {
  flex: 1 0 calc(50% - 3px); font-family: var(--mono); font-size: 11px; padding: 8px 10px; border-radius: 8px;
  border: 1px solid var(--line); background: rgba(255,255,255,.03); color: var(--fg-dim); cursor: pointer; transition: .2s;
  letter-spacing: .06em; text-transform: uppercase;
}
.tweaks button:hover { color: var(--fg); border-color: var(--line-strong); }
.tweaks button.on { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.tweaks .sep { height: 1px; background: var(--line); margin: 12px 0; }

/* section reveal */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity .8s cubic-bezier(.2,.8,.2,1), transform .8s cubic-bezier(.2,.8,.2,1); }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .08s; }
.reveal.d2 { transition-delay: .16s; }
.reveal.d3 { transition-delay: .24s; }

/* -------- responsive -------- */
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; gap: 24px; }
  .modes { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 32px; }
  .proc-steps { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .foot-top { grid-template-columns: 1fr 1fr; gap: 32px; }
  .statusbar, .cursor { display: none; }
  body.cursor-on, body.cursor-on * { cursor: auto !important; }
  .nav { top: 0; }
}
@media (max-width: 560px) {
  .nav-links { display: none; }
  .hero-stats { grid-template-columns: 1fr 1fr; }
  .field-row { grid-template-columns: 1fr; }
  .proc-steps { grid-template-columns: 1fr; }
  .foot-top { grid-template-columns: 1fr; }
}