/* =============================================================
   INFINITYSMARTSOLUTIONS — styles.css
   Archetype: Glassmorphism Modern, adapted to dark "security ops" palette
   1. Tokens
   ============================================================= */
:root {
  --bg:          #0A0F1C;
  --bg-2:        #0F172A;
  --bg-3:        #131C31;
  --card:        #121A2C;
  --glass:       rgba(255, 255, 255, 0.055);
  --glass-2:     rgba(255, 255, 255, 0.03);
  --glass-border: rgba(148, 163, 184, 0.16);
  --ink:         #F1F5F9;
  --ink-soft:    #A9B4C4;
  --ink-mute:    #6B7688;
  --accent:      #3B82F6;
  --accent-2:    #38BDF8;
  --accent-ink:  #EFF6FF;
  --accent-glow: rgba(59, 130, 246, 0.35);
  --line:        rgba(241, 245, 249, 0.09);
  --success:     #22C55E;
  --danger:      #F87171;

  --sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --display: "Space Grotesk", var(--sans);
  --mono: "JetBrains Mono", "IBM Plex Mono", monospace;

  --ease-out:  cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in:   cubic-bezier(0.7, 0, 0.84, 0);
  --ease-soft: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);

  --radius: 20px;
  --radius-sm: 12px;
  --container: 1180px;
  --gutter: clamp(1.25rem, 4vw, 2.5rem);
}

/* =============================================================
   2. Reset & base
   ============================================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; }
html { -webkit-text-size-adjust: 100%; tab-size: 2; scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
  overscroll-behavior-y: none;
}
img, svg, video { display: block; max-width: 100%; }
img { height: auto; }
button { font: inherit; color: inherit; cursor: pointer; border: 0; background: none; }
a { color: inherit; text-decoration: none; }
p { text-wrap: pretty; }
h1, h2, h3, h4 { text-wrap: balance; line-height: 1.08; letter-spacing: -0.02em; font-family: var(--display); }
ul { list-style: none; padding: 0; }
::selection { background: var(--accent); color: #fff; }

:focus-visible {
  outline: 2px solid var(--accent-2);
  outline-offset: 3px;
  border-radius: 4px;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

/* =============================================================
   3. Utilities
   ============================================================= */
.skip-link {
  position: fixed; top: -100px; left: 1rem;
  padding: .6rem 1rem; background: var(--ink); color: var(--bg);
  z-index: 9999; border-radius: 8px; font-weight: 600;
  transition: top .3s var(--ease-out);
}
.skip-link:focus { top: 1rem; }

.container { max-width: var(--container); margin: 0 auto; padding-inline: var(--gutter); }
.sr-only {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0; padding: 0; margin: -1px;
}
.kicker {
  display: inline-flex; align-items: center; gap: .5rem;
  font-family: var(--mono); font-size: .78rem; letter-spacing: .06em;
  text-transform: uppercase; color: var(--accent-2);
  margin-bottom: 1rem;
}
.kicker::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--accent-2); box-shadow: 0 0 0 4px var(--accent-glow); }
.section-head { max-width: 640px; margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.section-head p { color: var(--ink-soft); font-size: 1.05rem; margin-top: .9rem; }
section { padding-block: clamp(4rem, 9vw, 7rem); position: relative; }
.eyebrow-badge {
  display: inline-block; font-family: var(--mono); font-size: .72rem;
  padding: .2rem .6rem; border-radius: 999px; border: 1px solid var(--glass-border);
  color: var(--ink-mute); letter-spacing: .04em;
}

/* =============================================================
   4. Typography
   ============================================================= */
h1 { font-size: clamp(2.4rem, 6vw, 4.4rem); font-weight: 600; }
h2 { font-size: clamp(1.9rem, 4vw, 2.8rem); font-weight: 600; }
h3 { font-size: clamp(1.2rem, 2vw, 1.4rem); font-weight: 600; }
.eyebrow { color: var(--accent-2); }

/* =============================================================
   5. Components
   ============================================================= */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .95rem 1.7rem; border-radius: 999px; font-weight: 600; font-size: .96rem;
  transition: transform .35s var(--ease-out), box-shadow .35s var(--ease-out), background .35s var(--ease-out);
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  box-shadow: 0 10px 30px -8px var(--accent-glow);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 36px -8px var(--accent-glow); }
.btn-glass {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  color: var(--ink);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}
.btn-glass:hover { border-color: var(--accent-2); transform: translateY(-2px); }
.btn-sm { padding: .65rem 1.2rem; font-size: .85rem; }
.btn-block { width: 100%; }

.glass-card {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
}
@supports not (backdrop-filter: blur(1px)) {
  .glass-card { background: #101a2e; }
}

.icon-badge {
  width: 48px; height: 48px; border-radius: 14px;
  display: grid; place-items: center;
  background: linear-gradient(160deg, var(--accent-glow), transparent);
  border: 1px solid var(--glass-border);
  color: var(--accent-2);
  margin-bottom: 1.1rem;
}
.icon-badge svg { width: 22px; height: 22px; }

input, textarea, select {
  width: 100%;
  background: var(--glass-2);
  border: 1px solid var(--glass-border);
  color: var(--ink);
  border-radius: var(--radius-sm);
  padding: .85rem 1rem;
  font: inherit;
  transition: border-color .25s var(--ease-out);
}
input::placeholder, textarea::placeholder { color: var(--ink-mute); }
input:focus, textarea:focus, select:focus { border-color: var(--accent-2); outline: none; }
label { display: block; font-size: .85rem; color: var(--ink-soft); margin-bottom: .4rem; }
.field { margin-bottom: 1.1rem; }
.form-msg { font-size: .88rem; margin-top: .8rem; padding: .7rem .9rem; border-radius: var(--radius-sm); display: none; }
.form-msg.is-visible { display: block; }
.form-msg.ok { background: rgba(34,197,94,.12); color: #86EFAC; border: 1px solid rgba(34,197,94,.3); }
.form-msg.err { background: rgba(248,113,113,.12); color: #FCA5A5; border: 1px solid rgba(248,113,113,.3); }
.form-note { font-size: .8rem; color: var(--ink-mute); margin-top: .6rem; }

/* =============================================================
   6. Sections
   ============================================================= */

/* --- Nav --- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  padding: 1rem var(--gutter);
}
.nav-inner {
  max-width: var(--container); margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  background: rgba(10, 15, 28, 0.55);
  border: 1px solid var(--glass-border);
  border-radius: 999px;
  padding: .6rem .6rem .6rem 1.2rem;
  backdrop-filter: blur(18px) saturate(150%);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
}
.nav-logo { display: flex; align-items: center; gap: .55rem; font-family: var(--display); font-weight: 700; font-size: 1rem; letter-spacing: -0.01em; }
.nav-logo-img { width: 28px; height: 28px; object-fit: contain; flex-shrink: 0; }
.nav-links { display: none; gap: 1.9rem; font-size: .92rem; color: var(--ink-soft); }
.nav-links a { position: relative; padding-block: .3rem; }
.nav-links a::after {
  content: ""; position: absolute; left: 0; bottom: -2px; width: 100%; height: 1px;
  background: var(--accent-2); transform: scaleX(0); transform-origin: right;
  transition: transform .35s var(--ease-out);
}
.nav-links a:hover { color: var(--ink); }
.nav-links a:hover::after { transform: scaleX(1); transform-origin: left; }
.nav-cta { display: none; }
@media (min-width: 960px) {
  .nav-links { display: flex; }
  .nav-cta { display: inline-flex; }
}

/* --- Hero --- */
.hero {
  position: relative;
  padding-top: clamp(7.5rem, 16vw, 10rem);
  padding-bottom: clamp(4rem, 8vw, 6rem);
  overflow: clip;
}
.hero-bg-photo {
  position: absolute; inset: 0; z-index: -2;
  width: 100%; height: 100%; object-fit: cover; object-position: center 60%;
  opacity: .32; filter: saturate(115%);
  mask-image: linear-gradient(to bottom, rgba(0,0,0,.55) 0%, rgba(0,0,0,.85) 35%, rgba(0,0,0,.85) 70%, transparent 100%);
  -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,.55) 0%, rgba(0,0,0,.85) 35%, rgba(0,0,0,.85) 70%, transparent 100%);
}
.hero-mesh {
  position: absolute; inset: -10% -10% auto -10%; height: 140%; z-index: -1;
  background:
    radial-gradient(at 15% 20%, rgba(59,130,246,0.35) 0%, transparent 55%),
    radial-gradient(at 85% 15%, rgba(56,189,248,0.28) 0%, transparent 50%),
    radial-gradient(at 50% 90%, rgba(59,130,246,0.18) 0%, transparent 55%);
  filter: blur(70px) saturate(140%);
  animation: meshDrift 26s ease-in-out infinite;
}
@keyframes meshDrift {
  0%, 100% { transform: scale(1) rotate(0deg); }
  50%      { transform: scale(1.15) rotate(8deg); }
}
.hero-grid {
  display: grid; gap: clamp(2.5rem, 6vw, 4rem);
  align-items: center;
}
@media (min-width: 960px) {
  .hero-grid { grid-template-columns: 1.05fr .95fr; }
}
.hero-title em { color: var(--accent-2); font-style: normal; }
.hero-sub { color: var(--ink-soft); font-size: clamp(1.02rem, 1.6vw, 1.18rem); margin: 1.3rem 0 2rem; max-width: 46ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .9rem; margin-bottom: 2.4rem; }

.hero-stats { display: flex; gap: clamp(1.4rem, 4vw, 2.6rem); flex-wrap: wrap; }
.hero-stat .num { font-family: var(--display); font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 700; color: var(--ink); }
.hero-stat .num .suffix { color: var(--accent-2); }
.hero-stat .label { font-size: .82rem; color: var(--ink-mute); margin-top: .15rem; }

/* Dashboard mockup (replaces photography) */
.hero-panel {
  position: relative;
  border-radius: 26px;
  padding: 1.4rem;
  animation: floatY 7s ease-in-out infinite;
}
@keyframes floatY { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-14px); } }
.panel-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1rem; }
.panel-top .status { display: flex; align-items: center; gap: .45rem; font-family: var(--mono); font-size: .75rem; color: var(--success); }
.panel-top .status .pulse { width: 8px; height: 8px; border-radius: 50%; background: var(--success); box-shadow: 0 0 0 0 rgba(34,197,94,.6); animation: pulse 2s infinite; }
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(34,197,94,.55); }
  70% { box-shadow: 0 0 0 8px rgba(34,197,94,0); }
  100% { box-shadow: 0 0 0 0 rgba(34,197,94,0); }
}
.panel-top .time { font-family: var(--mono); font-size: .75rem; color: var(--ink-mute); }
.panel-feeds { display: grid; grid-template-columns: 1fr 1fr; gap: .7rem; }
.feed {
  position: relative; aspect-ratio: 4/3; border-radius: 12px; overflow: hidden;
  border: 1px solid var(--glass-border);
  background: linear-gradient(155deg, #16213A 0%, #0D1524 100%);
}
.feed::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(circle at 30% 30%, rgba(59,130,246,.25), transparent 60%),
    repeating-linear-gradient(0deg, transparent, transparent 6px, rgba(255,255,255,.02) 7px);
}
.feed .feed-label {
  position: absolute; left: .5rem; bottom: .5rem; font-family: var(--mono);
  font-size: .62rem; color: var(--ink-soft); background: rgba(0,0,0,.35);
  padding: .15rem .4rem; border-radius: 4px;
}
.feed .feed-rec {
  position: absolute; right: .5rem; top: .5rem; display: flex; align-items: center; gap: .3rem;
  font-family: var(--mono); font-size: .6rem; color: var(--danger);
}
.feed .feed-rec::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--danger); }
.panel-footer {
  margin-top: 1rem; display: flex; align-items: center; justify-content: space-between;
  font-family: var(--mono); font-size: .72rem; color: var(--ink-mute);
}

/* --- Ventajas / feature cards --- */
.ventajas-grid {
  display: grid; gap: 1.3rem;
  grid-template-columns: 1fr;
}
@media (min-width: 720px) { .ventajas-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1280px) { .ventajas-grid { grid-template-columns: repeat(4, 1fr); } }
.ventaja-card { padding: 1.8rem; transition: transform .4s var(--ease-out), border-color .4s var(--ease-out); }
.ventaja-card:hover { transform: translateY(-6px); border-color: var(--accent-2); }
.ventaja-card p { color: var(--ink-soft); font-size: .93rem; margin-top: .55rem; }

/* --- Equipo / instalación --- */
.equipo-grid {
  display: grid; gap: 1.3rem;
  grid-template-columns: 1fr;
}
@media (min-width: 720px) { .equipo-grid { grid-template-columns: repeat(3, 1fr); } }
.equipo-card {
  overflow: hidden; margin: 0;
  transition: transform .4s var(--ease-out), border-color .4s var(--ease-out);
}
.equipo-card:hover { transform: translateY(-6px); border-color: var(--accent-2); }
.equipo-card img {
  width: 100%; aspect-ratio: 4 / 3; object-fit: cover; display: block;
}
.equipo-card figcaption { padding: 1.3rem 1.5rem 1.6rem; }
.equipo-card figcaption strong { display: block; font-family: var(--display); font-size: 1.02rem; }
.equipo-card figcaption span { display: block; color: var(--ink-soft); font-size: .9rem; margin-top: .4rem; }

/* --- Cómo funciona --- */
.proceso-grid {
  display: grid; gap: 1.2rem;
  grid-template-columns: 1fr;
  counter-reset: step;
}
@media (min-width: 720px) { .proceso-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1280px) { .proceso-grid { grid-template-columns: repeat(4, 1fr); } }
.proceso-card { padding: 1.7rem; position: relative; }
.proceso-num { font-family: var(--mono); font-size: .85rem; color: var(--accent-2); margin-bottom: .8rem; display: block; }
.proceso-card p { color: var(--ink-soft); font-size: .9rem; margin-top: .5rem; }

/* --- Calculadora --- */
.calc-wrap { display: grid; gap: 2rem; grid-template-columns: 1fr; }
@media (min-width: 960px) { .calc-wrap { grid-template-columns: 1.1fr .9fr; } }
.calc-card { padding: clamp(1.5rem, 3vw, 2.2rem); }
.calc-steps { display: flex; gap: .5rem; margin-bottom: 1.6rem; flex-wrap: wrap; }
.calc-step-pill {
  font-family: var(--mono); font-size: .72rem; padding: .35rem .7rem; border-radius: 999px;
  border: 1px solid var(--glass-border); color: var(--ink-mute);
}
.calc-step-pill.is-active { color: var(--accent-2); border-color: var(--accent-2); }
.calc-step-pill.is-done { color: var(--success); border-color: var(--success); }

.upload-zone {
  border: 1.5px dashed var(--glass-border); border-radius: var(--radius-sm);
  padding: 2rem 1rem; text-align: center; cursor: pointer;
  transition: border-color .3s var(--ease-out), background .3s var(--ease-out);
}
.upload-zone:hover, .upload-zone.is-dragover { border-color: var(--accent-2); background: var(--glass-2); }
.upload-zone svg { width: 30px; height: 30px; color: var(--accent-2); margin: 0 auto .8rem; }
.upload-zone .hint { font-size: .82rem; color: var(--ink-mute); margin-top: .3rem; }

.mark-stage { display: none; }
.mark-stage.is-visible { display: block; }
.mark-canvas-wrap { position: relative; border-radius: var(--radius-sm); overflow: hidden; border: 1px solid var(--glass-border); }
.mark-canvas-wrap img { width: 100%; display: block; }
.mark-canvas-wrap canvas { position: absolute; inset: 0; width: 100%; height: 100%; cursor: crosshair; }
.mark-toolbar { display: flex; gap: .6rem; margin: .9rem 0; flex-wrap: wrap; }
.mark-type-btn {
  flex: 1; min-width: 120px; padding: .6rem .8rem; border-radius: var(--radius-sm);
  border: 1px solid var(--glass-border); font-size: .85rem; text-align: center;
  transition: all .25s var(--ease-out);
}
.mark-type-btn.is-active { border-color: var(--accent-2); background: rgba(56,189,248,.1); color: var(--accent-2); }
.mark-count { display: flex; gap: 1.4rem; margin-top: .9rem; font-size: .85rem; color: var(--ink-soft); }
.mark-count b { color: var(--ink); font-family: var(--mono); }

.calc-result-stage { display: none; }
.calc-result-stage.is-visible { display: block; }
.result-hero { text-align: center; padding: 1.6rem 0; }
.result-hero .result-num { font-family: var(--display); font-size: clamp(2.6rem, 7vw, 3.6rem); font-weight: 700; color: var(--accent-2); }
.result-hero .result-label { color: var(--ink-soft); margin-top: .3rem; }
.result-breakdown { display: grid; grid-template-columns: 1fr 1fr; gap: .8rem; margin: 1.4rem 0; }
.result-item { padding: 1rem; border-radius: var(--radius-sm); background: var(--glass-2); border: 1px solid var(--glass-border); text-align: center; }
.result-item .n { font-family: var(--mono); font-size: 1.4rem; color: var(--ink); }
.result-item .l { font-size: .78rem; color: var(--ink-mute); margin-top: .2rem; }
.estimate-note { font-size: .8rem; color: var(--ink-mute); text-align: center; margin-top: 1rem; }

.gate-stage { display: none; }
.gate-stage.is-visible { display: block; }

.calc-side { padding: 1.8rem; height: fit-content; position: sticky; top: 6.5rem; }
.calc-side h3 { margin-bottom: .8rem; }
.calc-side ul { display: flex; flex-direction: column; gap: .75rem; }
.calc-side li { display: flex; gap: .6rem; font-size: .9rem; color: var(--ink-soft); align-items: flex-start; }
.calc-side li svg { flex-shrink: 0; width: 18px; height: 18px; color: var(--success); margin-top: .15rem; }

/* --- Testimonios --- */
.testi-grid { display: grid; gap: 1.3rem; grid-template-columns: 1fr; }
@media (min-width: 960px) { .testi-grid { grid-template-columns: repeat(3, 1fr); } }
.testi-card { padding: 1.7rem; display: flex; flex-direction: column; gap: 1.1rem; }
.testi-quote { color: var(--ink-soft); font-size: .95rem; }
.testi-who { display: flex; align-items: center; gap: .7rem; }
.testi-avatar {
  width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  font-family: var(--display); font-weight: 700; font-size: .85rem; color: #fff;
}
.testi-name { font-size: .9rem; font-weight: 600; }
.testi-role { font-size: .78rem; color: var(--ink-mute); }
.testi-demo-tag {
  align-self: flex-start; font-family: var(--mono); font-size: .65rem; letter-spacing: .04em;
  color: var(--ink-mute); border: 1px solid var(--glass-border); padding: .15rem .5rem; border-radius: 999px;
}

/* --- Asistente IA promo strip --- */
.assistant-strip {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 1.5rem; padding: clamp(1.8rem, 4vw, 2.6rem);
}
.assistant-strip .left { display: flex; align-items: center; gap: 1rem; }
.assistant-avatar {
  width: 54px; height: 54px; border-radius: 16px; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--accent), var(--accent-2)); flex-shrink: 0;
}
.assistant-avatar svg { width: 26px; height: 26px; color: #fff; }

/* --- FAQ --- */
.faq-list { display: flex; flex-direction: column; gap: .8rem; }
.faq-item { padding: 0 1.6rem; overflow: hidden; }
.faq-q {
  width: 100%; display: flex; align-items: center; justify-content: space-between;
  padding: 1.3rem 0; text-align: left; font-weight: 600; font-size: 1rem; gap: 1rem;
}
.faq-q .plus { flex-shrink: 0; width: 22px; height: 22px; display: grid; place-items: center; color: var(--accent-2); transition: transform .35s var(--ease-out); }
.faq-item.is-open .faq-q .plus { transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .35s var(--ease-out); }
.faq-a p { color: var(--ink-soft); font-size: .92rem; padding-bottom: 1.3rem; max-width: 65ch; }

/* --- Contacto --- */
.contact-grid { display: grid; gap: 2rem; grid-template-columns: 1fr; }
@media (min-width: 960px) { .contact-grid { grid-template-columns: .9fr 1.1fr; } }
.contact-info-card { padding: 1.8rem; }
.contact-row { display: flex; gap: .8rem; align-items: flex-start; padding-block: .8rem; border-top: 1px solid var(--line); }
.contact-row:first-child { border-top: 0; }
.contact-row svg { width: 19px; height: 19px; color: var(--accent-2); flex-shrink: 0; margin-top: .15rem; }
.contact-row .l { font-size: .78rem; color: var(--ink-mute); }
.contact-row .v { font-size: .93rem; }
.contact-form-card { padding: clamp(1.6rem, 3vw, 2.2rem); }
.field-row { display: grid; gap: 1.1rem; }
@media (min-width: 640px) { .field-row.two { grid-template-columns: 1fr 1fr; } }

/* --- Footer --- */
.footer { padding-block: 3rem 2.2rem; border-top: 1px solid var(--line); }
.footer-inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1.5rem; align-items: center; }
.footer-brand { display: flex; align-items: center; gap: .5rem; font-family: var(--display); font-weight: 700; }
.footer-logo-img { width: 22px; height: 22px; object-fit: contain; flex-shrink: 0; }
.footer-links { display: flex; gap: 1.4rem; font-size: .85rem; color: var(--ink-mute); flex-wrap: wrap; }
.footer-legal { font-size: .78rem; color: var(--ink-mute); margin-top: 1.6rem; }

/* --- Chat widget --- */
.chat-fab {
  position: fixed; right: clamp(1rem, 4vw, 2rem); bottom: clamp(1rem, 4vw, 2rem); z-index: 300;
  width: 60px; height: 60px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: grid; place-items: center;
  box-shadow: 0 12px 30px -6px var(--accent-glow);
  transition: transform .3s var(--ease-bounce);
}
.chat-fab:hover { transform: scale(1.07); }
.chat-fab svg { width: 26px; height: 26px; color: #fff; }
.chat-fab .ping { position: absolute; top: -3px; right: -3px; width: 14px; height: 14px; border-radius: 50%; background: var(--success); border: 2px solid var(--bg); }

.chat-panel {
  position: fixed; right: clamp(.7rem, 4vw, 2rem); bottom: clamp(5.2rem, 12vw, 6.5rem); z-index: 300;
  width: min(370px, calc(100vw - 1.4rem)); height: min(520px, 70vh);
  background: #0D1526; border: 1px solid var(--glass-border); border-radius: 22px;
  display: none; flex-direction: column; overflow: hidden;
  box-shadow: 0 30px 60px -20px rgba(0,0,0,.6);
  backdrop-filter: blur(20px);
}
.chat-panel.is-open { display: flex; }
.chat-head { display: flex; align-items: center; gap: .7rem; padding: 1rem 1.1rem; border-bottom: 1px solid var(--line); }
.chat-head .assistant-avatar { width: 38px; height: 38px; border-radius: 12px; }
.chat-head .assistant-avatar svg { width: 18px; height: 18px; }
.chat-head strong { font-size: .92rem; display: block; }
.chat-head span { font-size: .74rem; color: var(--success); }
.chat-close { margin-left: auto; color: var(--ink-mute); width: 28px; height: 28px; display: grid; place-items: center; border-radius: 8px; }
.chat-close:hover { background: var(--glass-2); }
.chat-body { flex: 1; overflow-y: auto; padding: 1.1rem; display: flex; flex-direction: column; gap: .8rem; }
.chat-msg { max-width: 85%; padding: .7rem .9rem; border-radius: 14px; font-size: .87rem; line-height: 1.5; }
.chat-msg.bot { background: var(--glass-2); border: 1px solid var(--glass-border); align-self: flex-start; border-bottom-left-radius: 4px; }
.chat-msg.user { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #fff; align-self: flex-end; border-bottom-right-radius: 4px; }
.chat-suggestions { display: flex; flex-wrap: wrap; gap: .5rem; padding: 0 1.1rem 1rem; }
.chat-suggestion { font-size: .78rem; padding: .4rem .7rem; border-radius: 999px; border: 1px solid var(--glass-border); color: var(--ink-soft); }
.chat-suggestion:hover { border-color: var(--accent-2); color: var(--accent-2); }
.chat-input-row { display: flex; gap: .6rem; padding: .9rem; border-top: 1px solid var(--line); }
.chat-input-row input { flex: 1; }
.chat-send { width: 42px; height: 42px; border-radius: 12px; background: var(--accent); display: grid; place-items: center; flex-shrink: 0; }
.chat-send svg { width: 18px; height: 18px; color: #fff; }

/* =============================================================
   7. Effects / reveals
   ============================================================= */
[data-reveal] { opacity: 0; transform: translateY(24px); transition: opacity .8s var(--ease-out), transform .8s var(--ease-out); }
[data-reveal].is-revealed { opacity: 1; transform: translateY(0); }
[data-reveal-stagger] > * { opacity: 0; transform: translateY(20px); transition: opacity .7s var(--ease-out), transform .7s var(--ease-out); }
[data-reveal-stagger].is-revealed > * { opacity: 1; transform: translateY(0); }
[data-reveal-stagger].is-revealed > *:nth-child(1) { transition-delay: .05s; }
[data-reveal-stagger].is-revealed > *:nth-child(2) { transition-delay: .12s; }
[data-reveal-stagger].is-revealed > *:nth-child(3) { transition-delay: .19s; }
[data-reveal-stagger].is-revealed > *:nth-child(4) { transition-delay: .26s; }

html:not(.is-ready) [data-reveal],
html:not(.is-ready) [data-reveal-stagger] > * { opacity: 1; transform: none; }

/* =============================================================
   8. Reduced motion — only intrusive effects
   ============================================================= */
@media (prefers-reduced-motion: reduce) {
  .hero-mesh { animation: none; }
  .hero-panel { animation: none; }
  .panel-top .status .pulse { animation: none; }
}

/* =============================================================
   9. Mobile nav drawer (simple)
   ============================================================= */
.nav-toggle { display: grid; place-items: center; width: 40px; height: 40px; }
.nav-toggle svg { width: 20px; height: 20px; }
@media (min-width: 960px) { .nav-toggle { display: none; } }
.mobile-drawer {
  position: fixed; inset: 0; z-index: 250; background: rgba(6, 10, 20, .92);
  backdrop-filter: blur(10px); display: none; flex-direction: column;
  align-items: center; justify-content: center; gap: 1.6rem;
}
.mobile-drawer.is-open { display: flex; }
.mobile-drawer a { font-family: var(--display); font-size: 1.5rem; font-weight: 600; }
.mobile-drawer .close { position: absolute; top: 1.4rem; right: 1.4rem; width: 42px; height: 42px; display: grid; place-items: center; }