/* =============================================================
   1. Tokens
   ============================================================= */
:root {
  --bg:        #0B1420;   /* deep navy, warm-neutral tint, never pure black */
  --bg-2:      #101D2E;
  --bg-3:      #16283D;   /* card surface */
  --bg-4:      #1C3149;   /* elevated card / hover */
  --paper:     #EEF2EF;   /* text on dark — never pure white */
  --paper-2:   #C7D2CC;
  --paper-3:   #7E8F89;   /* metadata / muted */
  --accent:    #33A873;   /* single accent — sustainability green */
  --accent-2:  #1F7A52;   /* darker green, hover/depth */
  --accent-soft: rgba(51, 168, 115, 0.14);
  --line:      rgba(238, 242, 239, 0.12);
  --line-strong: rgba(238, 242, 239, 0.22);
  --danger:    #D9714E;

  --display: 'Fraunces', 'Iowan Old Style', serif;
  --sans: 'Inter', system-ui, -apple-system, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, 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);

  --nav-h: 76px;
}

@property --mesh-angle {
  syntax: '<angle>';
  initial-value: 0deg;
  inherits: false;
}

/* =============================================================
   2. Reset & base
   ============================================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; }
html {
  -webkit-text-size-adjust: 100%;
  tab-size: 2;
  overflow-x: clip;
  scroll-behavior: smooth;
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  background: var(--bg);
  color: var(--paper);
  -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 { font-family: var(--display); text-wrap: balance; line-height: 1.05; letter-spacing: -0.01em; }
ul { list-style: none; padding: 0; }

::selection { background: var(--accent); color: var(--bg); }

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

/* =============================================================
   3. Utilities
   ============================================================= */
.skip-link {
  position: fixed; top: -100px; left: 1rem;
  padding: .7rem 1.1rem; background: var(--paper); color: var(--bg);
  z-index: 9999; border-radius: 8px; font-weight: 600;
  transition: top .3s var(--ease-out);
}
.skip-link:focus { top: 1rem; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

.container { max-width: 1240px; margin-inline: auto; padding-inline: 1.25rem; }
@media (min-width: 720px) { .container { padding-inline: 2rem; } }
@media (min-width: 1280px) { .container { padding-inline: 2.5rem; } }

.kicker {
  font-family: var(--mono); font-size: .78rem; font-weight: 500;
  letter-spacing: .1em; text-transform: uppercase; color: var(--accent);
  display: inline-flex; align-items: center; gap: .55rem;
}
.kicker::before {
  content: ""; width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent); display: inline-block;
}

.eyebrow-line { color: var(--paper-3); font-size: .92rem; }

/* =============================================================
   4. Typography
   ============================================================= */
h1 { font-size: clamp(2.4rem, 5.6vw, 4.6rem); font-weight: 500; }
h2 { font-size: clamp(1.9rem, 3.6vw, 3rem); font-weight: 500; }
h3 { font-size: 1.3rem; font-weight: 600; font-family: var(--sans); letter-spacing: -0.01em; }
em { font-style: italic; color: var(--accent); }

.lede {
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  color: var(--paper-2);
  max-width: 56ch;
  line-height: 1.65;
}

/* =============================================================
   5. Components
   ============================================================= */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .6rem;
  font-family: var(--sans); font-weight: 600; font-size: .96rem;
  padding: .95rem 1.7rem; border-radius: 999px;
  transition: transform .5s var(--ease-out), background-color .3s var(--ease-out), box-shadow .3s var(--ease-out);
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent); color: #061A10;
}
.btn-primary:hover { background: #45C088; box-shadow: 0 16px 40px -14px rgba(51,168,115,.55); }
.btn-ghost {
  background: transparent; color: var(--paper); border: 1.5px solid var(--line-strong);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn:active { transform: scale(.97); }
.btn-block { width: 100%; }

.card {
  background: var(--bg-3); border: 1px solid var(--line); border-radius: 16px;
}

.tag-demo {
  display: inline-block; font-family: var(--mono); font-size: .66rem;
  letter-spacing: .06em; text-transform: uppercase; color: var(--paper-3);
  border: 1px dashed var(--line-strong); border-radius: 999px; padding: .3rem .7rem;
}

/* =============================================================
   6. Nav
   ============================================================= */
.site-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 80;
  height: var(--nav-h);
  display: flex; align-items: center;
  background: rgba(11, 20, 32, 0.5);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid transparent;
  transition: border-color .4s var(--ease-out), background-color .4s var(--ease-out);
}
.site-nav.is-scrolled { border-color: var(--line); background: rgba(11, 20, 32, 0.86); }
.nav-row { display: flex; align-items: center; justify-content: space-between; width: 100%; }
.brand { display: flex; align-items: baseline; gap: .5rem; }
.brand-mark { font-family: var(--display); font-weight: 600; font-size: 1.4rem; }
.brand-sub { font-family: var(--mono); font-size: .58rem; letter-spacing: .08em; text-transform: uppercase; color: var(--paper-3); display: none; }
@media (min-width: 540px) { .brand-sub { display: inline; } }

.nav-links { display: none; align-items: center; gap: 2.1rem; }
.nav-links a { font-size: .92rem; color: var(--paper-2); position: relative; }
.nav-links a::after {
  content: ""; position: absolute; left: 0; bottom: -4px; width: 0; height: 1px; background: var(--accent);
  transition: width .35s var(--ease-out);
}
.nav-links a:hover::after { width: 100%; }
.nav-links a:hover { color: var(--paper); }
@media (min-width: 960px) { .nav-links { display: flex; } }

.nav-toggle {
  display: inline-flex; flex-direction: column; justify-content: center; gap: 5px;
  width: 40px; height: 40px; border: 1px solid var(--line-strong); border-radius: 8px;
}
.nav-toggle span { width: 18px; height: 1.5px; background: var(--paper); margin-inline: auto; transition: transform .3s var(--ease-out), opacity .3s var(--ease-out); }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }
@media (min-width: 960px) { .nav-toggle { display: none; } }

.mobile-menu {
  position: fixed; inset: var(--nav-h) 0 0 0; z-index: 70;
  background: var(--bg); padding: 2rem 1.25rem;
  transform: translateY(-8px); opacity: 0; pointer-events: none;
  transition: transform .35s var(--ease-out), opacity .3s var(--ease-out);
}
.mobile-menu.is-open { transform: translateY(0); opacity: 1; pointer-events: auto; }
.mobile-menu ul { display: flex; flex-direction: column; gap: 1.6rem; }
.mobile-menu a { font-family: var(--display); font-size: 1.7rem; }
@media (min-width: 960px) { .mobile-menu { display: none; } }

/* =============================================================
   7. Hero
   ============================================================= */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex; align-items: center;
  padding-top: calc(var(--nav-h) + 2rem);
  padding-bottom: 4rem;
  overflow: clip;
}
.hero-mesh {
  position: absolute; inset: -10%;
  background:
    conic-gradient(from var(--mesh-angle) at 30% 30%, rgba(51,168,115,.35), transparent 40%),
    radial-gradient(ellipse at 75% 65%, rgba(31,122,82,.4), transparent 55%),
    radial-gradient(ellipse at 20% 80%, rgba(16,61,94,.55), transparent 60%),
    var(--bg);
  filter: blur(70px) saturate(130%);
  animation: meshRotate 22s linear infinite;
  z-index: 0;
}
@keyframes meshRotate { to { --mesh-angle: 360deg; } }
.hero-grain {
  position: absolute; inset: 0; z-index: 1; opacity: .045; mix-blend-mode: overlay; pointer-events: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='120' height='120'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}
.hero-inner { position: relative; z-index: 2; display: grid; gap: 2.5rem; }
@media (min-width: 960px) { .hero-inner { grid-template-columns: 1.05fr .95fr; align-items: center; gap: 3rem; } }

.hero-title { margin-top: 1rem; max-width: 15ch; }
.hero-lede { margin-top: 1.4rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 2.2rem; }

.hero-figure {
  position: relative; border-radius: 20px; overflow: clip;
  border: 1px solid var(--line);
  aspect-ratio: 4 / 5;
}
.hero-figure img { width: 100%; height: 100%; object-fit: cover; }
.hero-figure::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(11,20,32,0) 40%, rgba(11,20,32,.75) 100%);
}
.hero-figure-placeholder {
  display: flex; align-items: flex-end; justify-content: flex-start;
  background:
    radial-gradient(ellipse at 30% 20%, rgba(51,168,115,.25), transparent 55%),
    radial-gradient(ellipse at 80% 80%, rgba(28,49,73,.9), transparent 60%),
    var(--bg-3);
}
.hero-figure-placeholder::after { content: none; }
.hero-figure-badge {
  position: absolute; left: 1.1rem; bottom: 1.1rem; z-index: 2;
  display: flex; align-items: center; gap: .6rem;
  font-family: var(--mono); font-size: .72rem; color: var(--paper);
  background: rgba(11,20,32,.55); border: 1px solid var(--line-strong);
  padding: .5rem .8rem; border-radius: 999px; backdrop-filter: blur(6px);
}

/* =============================================================
   8. Sections (shared)
   ============================================================= */
section { padding-block: 5.5rem; position: relative; }
@media (min-width: 960px) { section { padding-block: 7.5rem; } }
.section-head { max-width: 62ch; margin-bottom: 3rem; }
.section-head h2 { margin-top: .6rem; }
.section-head .lede { margin-top: 1.1rem; }

.section-alt { background: var(--bg-2); }

/* =============================================================
   9. Ventajas (concept + 3 pillars)
   ============================================================= */
.concept-grid { display: grid; gap: 3rem; }
@media (min-width: 860px) { .concept-grid { grid-template-columns: 1fr 1fr; align-items: start; gap: 4rem; } }
.pillars { display: grid; gap: 1.75rem; margin-top: 0; }
@media (min-width: 640px) { .pillars { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 860px) { .pillars { grid-template-columns: 1fr; } }

.pillar {
  padding: 1.6rem 0; border-top: 1px solid var(--line);
}
.pillar:first-child { border-top: none; padding-top: 0; }
.pillar-num { font-family: var(--mono); font-size: .78rem; color: var(--accent); }
.pillar h3 { margin-top: .6rem; }
.pillar p { margin-top: .5rem; color: var(--paper-2); font-size: .95rem; line-height: 1.6; }

/* =============================================================
   10. Capacitaciones grid
   ============================================================= */
.cap-grid { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 18px; overflow: clip; grid-template-columns: 1fr; }
@media (min-width: 640px) { .cap-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 960px) { .cap-grid { grid-template-columns: repeat(3, 1fr); } }
.cap-card {
  background: var(--bg-3); padding: 2rem 1.75rem;
  transform-style: preserve-3d; will-change: transform;
  transition: transform .4s var(--ease-out), background-color .4s var(--ease-out);
  position: relative;
}
.cap-card::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit; opacity: 0;
  background: radial-gradient(circle at var(--mx, 50%) var(--my, 50%), var(--accent-soft), transparent 60%);
  transition: opacity .4s var(--ease-out); pointer-events: none;
}
.cap-card:hover { background: var(--bg-4); }
.cap-card:hover::before { opacity: 1; }
.cap-card .cap-icon {
  width: 44px; height: 44px; border-radius: 12px; border: 1px solid var(--line-strong);
  display: flex; align-items: center; justify-content: center; color: var(--accent); margin-bottom: 1.2rem;
}
.cap-card h3 { font-size: 1.08rem; }
.cap-card p { margin-top: .55rem; color: var(--paper-2); font-size: .9rem; line-height: 1.55; }

/* =============================================================
   11. Cómo funciona
   ============================================================= */
.steps { display: grid; gap: 2.2rem; }
@media (min-width: 720px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1280px) { .steps { grid-template-columns: repeat(4, 1fr); } }
.step { border-top: 2px solid var(--line-strong); padding-top: 1.2rem; }
.step-num { font-family: var(--mono); color: var(--accent); font-size: .85rem; }
.step h3 { margin-top: .55rem; font-size: 1.15rem; }
.step p { margin-top: .55rem; color: var(--paper-2); font-size: .92rem; line-height: 1.6; }

/* =============================================================
   12. Testimonios
   ============================================================= */
.testi-grid { display: grid; gap: 1.75rem; }
@media (min-width: 860px) { .testi-grid { grid-template-columns: repeat(3, 1fr); } }
.testi-card { padding: 2rem 1.75rem; display: flex; flex-direction: column; gap: 1.2rem; }
.testi-quote { font-family: var(--display); font-size: 1.1rem; font-style: italic; color: var(--paper); line-height: 1.5; }
.testi-quote::before { content: "\201C"; color: var(--accent); }
.testi-quote::after { content: "\201D"; color: var(--accent); }
.testi-foot { display: flex; align-items: center; justify-content: space-between; gap: .8rem; margin-top: auto; }
.testi-role { font-size: .85rem; color: var(--paper-3); }
.testi-note {
  margin-top: 1.25rem; padding: 1rem 1.25rem; border-radius: 12px;
  border: 1px dashed var(--line-strong); font-size: .84rem; color: var(--paper-3);
}

/* =============================================================
   13. FAQ
   ============================================================= */
.faq-list { max-width: 74ch; }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item summary {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding-block: 1.35rem; cursor: pointer; font-weight: 600; font-size: 1.05rem; list-style: none;
  font-family: var(--sans);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+"; font-family: var(--mono); font-size: 1.4rem; color: var(--accent); flex-shrink: 0;
}
.faq-item[open] summary::after { content: "\2212"; }
.faq-item p { padding-bottom: 1.4rem; max-width: 62ch; color: var(--paper-2); line-height: 1.65; }

/* =============================================================
   14. Contacto
   ============================================================= */
.contact-grid { display: grid; gap: 2.75rem; }
@media (min-width: 960px) { .contact-grid { grid-template-columns: 1.1fr .9fr; gap: 3.5rem; } }
.form-card { padding: 2rem; }
.form-row { display: grid; gap: 1.1rem; }
@media (min-width: 560px) { .form-row.two-col { grid-template-columns: 1fr 1fr; } }
.field { display: flex; flex-direction: column; gap: .45rem; }
.field label { font-size: .84rem; font-weight: 600; }
.field input, .field select, .field textarea {
  font-family: var(--sans); font-size: .95rem; padding: .8rem .9rem;
  background: var(--bg-2); border: 1.5px solid var(--line-strong); border-radius: 10px; color: var(--paper);
}
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--accent); outline: none; }
.field textarea { resize: vertical; min-height: 110px; }
.form-foot { margin-top: 1.5rem; display: flex; flex-direction: column; gap: .8rem; }
.form-note { font-size: .82rem; color: var(--paper-3); }

.contact-side { display: flex; flex-direction: column; gap: 1.5rem; }
.contact-block { padding: 1.6rem; }
.contact-block h3 { font-size: 1.05rem; margin-bottom: .5rem; }
.contact-block p { color: var(--paper-2); font-size: .92rem; line-height: 1.6; }
.team-list { display: flex; flex-direction: column; gap: .9rem; margin-top: 1rem; }
.team-card { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1rem 1.1rem; border-radius: 12px; background: var(--bg-2); border: 1px solid var(--line); }
.team-name { font-weight: 700; font-size: .96rem; }
.team-role { font-family: var(--mono); font-size: .66rem; text-transform: uppercase; letter-spacing: .06em; color: var(--paper-3); margin-top: .15rem; }

/* Cinematic form submit */
.form-status { display: none; align-items: center; gap: .7rem; font-size: .92rem; color: var(--accent); }
.form-status.is-visible { display: flex; }
.form-status svg { width: 22px; height: 22px; }
.check-path { stroke-dasharray: 40; stroke-dashoffset: 40; animation: drawCheck .5s var(--ease-out) forwards; }
@keyframes drawCheck { to { stroke-dashoffset: 0; } }

/* =============================================================
   15. Footer
   ============================================================= */
.site-footer { background: var(--bg-2); padding-block: 3rem; border-top: 1px solid var(--line); }
.foot-grid { display: flex; flex-direction: column; gap: 1.75rem; }
@media (min-width: 720px) { .foot-grid { flex-direction: row; justify-content: space-between; align-items: flex-start; } }
.foot-links { display: flex; gap: 1.5rem; flex-wrap: wrap; }
.foot-links a { font-size: .88rem; color: var(--paper-3); }
.foot-links a:hover { color: var(--paper); }
.foot-legal { font-family: var(--mono); font-size: .72rem; color: var(--paper-3); margin-top: 1.1rem; line-height: 1.6; }

/* =============================================================
   16. Reveal / tilt system
   ============================================================= */
.reveal { opacity: 0; transform: translateY(28px); }
.reveal.is-visible { opacity: 1; transform: translateY(0); transition: opacity .9s var(--ease-out), transform .9s var(--ease-out); }
.reveal[data-split] { opacity: 1; transform: none; }

/* =============================================================
   17. Splash
   ============================================================= */
.splash {
  position: fixed; inset: 0; z-index: 200; background: var(--bg);
  display: flex; align-items: center; justify-content: center;
  transition: opacity .5s var(--ease-out), visibility .5s;
  animation: splashSafety .01s 4.5s forwards;
}
.splash-mark { font-family: var(--display); font-size: 1.8rem; color: var(--paper); opacity: .9; }
.splash.is-out { opacity: 0; visibility: hidden; pointer-events: none; }
@keyframes splashSafety { to { opacity: 0; pointer-events: none; visibility: hidden; } }

/* =============================================================
   18. AI Chat widget
   ============================================================= */
.chat-fab {
  position: fixed; right: 1.25rem; bottom: 1.25rem; z-index: 90;
  display: flex; align-items: center; gap: .6rem;
  background: var(--accent); color: #061A10;
  padding: .9rem 1.2rem; border-radius: 999px; font-weight: 700; font-size: .9rem;
  box-shadow: 0 16px 34px -14px rgba(51,168,115,.6);
}
.chat-fab svg { width: 20px; height: 20px; }

.chat-panel {
  position: fixed; right: 1.25rem; bottom: 5rem; z-index: 90;
  width: min(360px, 90vw); max-height: min(560px, 70vh);
  background: var(--bg-3); border: 1px solid var(--line-strong); border-radius: 18px;
  box-shadow: 0 30px 70px -20px rgba(0,0,0,.6);
  display: flex; flex-direction: column; overflow: hidden;
  opacity: 0; transform: translateY(10px) scale(.98); pointer-events: none;
  transition: opacity .25s var(--ease-out), transform .25s var(--ease-out);
}
.chat-panel.is-open { opacity: 1; transform: translateY(0) scale(1); pointer-events: auto; }
.chat-head { padding: 1rem 1.1rem; border-bottom: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; }
.chat-head strong { font-family: var(--display); font-size: 1rem; }
.chat-head span { display: block; font-size: .72rem; color: var(--paper-3); }
.chat-close { width: 28px; height: 28px; border-radius: 8px; display: flex; align-items: center; justify-content: center; color: var(--paper-3); }
.chat-close:hover { background: var(--bg-4); color: var(--paper); }
.chat-messages { flex: 1; overflow-y: auto; padding: 1rem 1.1rem; display: flex; flex-direction: column; gap: .8rem; }
.chat-msg { max-width: 88%; padding: .65rem .9rem; border-radius: 14px; font-size: .88rem; line-height: 1.5; }
.chat-msg.bot { background: var(--bg-4); align-self: flex-start; border-bottom-left-radius: 4px; }
.chat-msg.user { background: var(--accent-soft); color: var(--paper); align-self: flex-end; border-bottom-right-radius: 4px; }
.chat-form { display: flex; gap: .6rem; padding: .9rem; border-top: 1px solid var(--line); }
.chat-form input { flex: 1; background: var(--bg-2); border: 1px solid var(--line-strong); border-radius: 999px; padding: .6rem 1rem; color: var(--paper); font-size: .88rem; }
.chat-form button { width: 38px; height: 38px; border-radius: 50%; background: var(--accent); color: #061A10; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.chat-typing { display: flex; gap: 4px; padding: .3rem 0; }
.chat-typing span { width: 5px; height: 5px; border-radius: 50%; background: var(--paper-3); animation: typingBounce 1s infinite ease-in-out; }
.chat-typing span:nth-child(2) { animation-delay: .15s; }
.chat-typing span:nth-child(3) { animation-delay: .3s; }
@keyframes typingBounce { 0%, 60%, 100% { transform: translateY(0); opacity: .4; } 30% { transform: translateY(-4px); opacity: 1; } }

/* =============================================================
   19. Calculator (incident-prevention estimator)
   ============================================================= */
.calc-card { padding: 2.25rem; }
.calc-drop {
  border: 1.5px dashed var(--line-strong); border-radius: 14px; padding: 2.5rem 1.5rem;
  text-align: center; cursor: pointer; transition: border-color .3s var(--ease-out), background-color .3s var(--ease-out);
}
.calc-drop:hover, .calc-drop.is-dragover { border-color: var(--accent); background: var(--accent-soft); }
.calc-drop svg { width: 34px; height: 34px; color: var(--accent); margin-inline: auto; margin-bottom: 1rem; }
.calc-drop p { color: var(--paper-2); font-size: .92rem; }
.calc-drop .file-name { margin-top: .8rem; font-family: var(--mono); font-size: .78rem; color: var(--accent); }
.calc-steps { display: flex; flex-direction: column; gap: 1.25rem; margin-top: 1.5rem; }
.calc-result {
  margin-top: 1.75rem; padding: 1.75rem; border-radius: 14px; background: var(--bg-2); border: 1px solid var(--line);
  display: none;
}
.calc-result.is-visible { display: block; }
.calc-result-figure { font-family: var(--display); font-size: 2.4rem; color: var(--accent); }
.calc-result-label { font-size: .85rem; color: var(--paper-3); margin-top: .3rem; }
.calc-disclaimer { margin-top: 1.25rem; font-size: .78rem; color: var(--paper-3); border-top: 1px dashed var(--line-strong); padding-top: 1rem; }

/* =============================================================
   20. Responsive breakpoints reference
   ============================================================= */
/* mobile-first: base <540px, then 540 / 720 / 960 / 1280 / 1600 */

/* =============================================================
   21. Reduced motion — only intrusive
   ============================================================= */
@media (prefers-reduced-motion: reduce) {
  .hero-mesh { animation: none; }
  .chat-typing span { animation: none; opacity: .6; }
}