/* ==========================================================================
   MPX TechSolutions - main stylesheet
   Brand: deep navy + signal blue + gold accent
   ========================================================================== */

/* --- Tokens ------------------------------------------------------------- */
:root {
  --navy-900: #05121f;
  --navy-800: #0a1a2b;
  --navy-700: #102a42;
  --ink:      #0e1b27;
  --slate:    #5c6b7a;
  --slate-2:  #8496a6;
  --line:     #e2e9ef;
  --mist:     #f4f7fa;
  --white:    #ffffff;

  --blue:       #0098e9;
  --blue-light: #34c3ff;
  --blue-deep:  #0071b5;
  --gold:       #eeb547;

  --font-sans: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, "SFMono-Regular", "Cascadia Mono", Menlo, Consolas, monospace;

  --shell: 1180px;
  --gutter: 24px;

  --radius:    6px;
  --radius-lg: 14px;

  --shadow-sm: 0 1px 2px rgba(10, 26, 43, .06), 0 4px 12px rgba(10, 26, 43, .06);
  --shadow-md: 0 12px 32px rgba(10, 26, 43, .10);
  --shadow-lg: 0 28px 70px rgba(10, 26, 43, .16);

  --ease: cubic-bezier(.2, .7, .3, 1);
}

/* --- Reset -------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { margin: 0; line-height: 1.12; letter-spacing: -.025em; font-weight: 700; }
p  { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

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

.skip-link {
  position: absolute; left: 12px; top: -60px; z-index: 200;
  background: var(--white); color: var(--navy-800);
  padding: 10px 16px; border-radius: var(--radius); font-weight: 600;
  transition: top .18s var(--ease);
}
.skip-link:focus { top: 12px; }

/* --- Layout helpers ----------------------------------------------------- */
.shell {
  width: min(var(--shell), 100% - (var(--gutter) * 2));
  margin-inline: auto;
}
.section        { padding-block: clamp(64px, 8vw, 112px); }
.section--tight { padding-block: clamp(48px, 6vw, 80px); }
.section--mist  { background: var(--mist); }
.section--navy  { background: var(--navy-800); color: var(--white); }

.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: .72rem; font-weight: 700;
  letter-spacing: .18em; text-transform: uppercase;
  color: var(--blue-deep); margin-bottom: 18px;
}
.eyebrow::before { content: ""; width: 26px; height: 2px; background: var(--gold); }
.eyebrow--light { color: var(--blue-light); }

.h1 { font-size: clamp(2.4rem, 5.2vw, 4.1rem); }
.h2 { font-size: clamp(1.9rem, 3.4vw, 2.9rem); }
.h3 { font-size: clamp(1.15rem, 1.6vw, 1.35rem); }

.lead        { font-size: clamp(1.02rem, 1.4vw, 1.15rem); line-height: 1.7; color: var(--slate); }
.lead--light { color: #a9bccd; }
.measure     { max-width: 60ch; }
.measure-sm  { max-width: 46ch; }

.section-head { max-width: 760px; margin-bottom: clamp(36px, 5vw, 56px); }
.section-head p { margin-top: 18px; }

/* --- Buttons ------------------------------------------------------------ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 50px; padding: 0 24px;
  border-radius: var(--radius);
  font-size: .93rem; font-weight: 650; letter-spacing: .005em;
  border: 1px solid transparent;
  transition: transform .18s var(--ease), box-shadow .18s var(--ease),
              background-color .18s var(--ease), border-color .18s var(--ease), color .18s var(--ease);
}
.btn:hover  { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn svg    { flex: none; }

.btn--primary {
  color: var(--white);
  background: linear-gradient(115deg, var(--blue-deep), var(--blue-light));
  box-shadow: 0 10px 26px rgba(0, 152, 233, .28);
}
.btn--primary:hover { box-shadow: 0 16px 34px rgba(0, 152, 233, .36); }

.btn--ghost       { border-color: rgba(255,255,255,.28); color: var(--white); }
.btn--ghost:hover { border-color: var(--white); background: rgba(255,255,255,.07); }

.btn--outline       { border-color: var(--line); color: var(--ink); background: var(--white); }
.btn--outline:hover { border-color: var(--blue); color: var(--blue-deep); }

.btn--light       { background: var(--white); color: var(--blue-deep); }
.btn--light:hover { background: #eaf7ff; }

.btn--block { width: 100%; }

.arrow-link {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: .88rem; font-weight: 650; color: var(--blue-deep);
}
.arrow-link svg { transition: transform .18s var(--ease); }
.arrow-link:hover svg { transform: translateX(4px); }
.arrow-link--light { color: var(--blue-light); }

/* --- Top utility bar ---------------------------------------------------- */
.topbar {
  background: var(--navy-900);
  color: #93a8ba;
  font-size: .8rem;
  border-bottom: 1px solid rgba(255,255,255,.07);
}
.topbar__inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 20px; min-height: 40px;
}
.topbar__tag { display: flex; align-items: center; gap: 9px; }
.topbar__tag::before { content: ""; width: 6px; height: 6px; background: var(--gold); transform: rotate(45deg); }
.topbar__links { display: flex; gap: 22px; }
.topbar__links a { display: inline-flex; align-items: center; gap: 7px; white-space: nowrap; }
.topbar__links a:hover { color: var(--blue-light); }

/* --- Header / nav ------------------------------------------------------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(10, 26, 43, .94);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255,255,255,.09);
  color: var(--white);
}
.nav { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 78px; }
.brand { display: block; width: 172px; flex: none; }
.nav__links { display: flex; align-items: center; gap: 32px; font-size: .92rem; }
.nav__links a { position: relative; padding-block: 6px; color: #d5e1eb; }
.nav__links a:hover { color: var(--white); }
.nav__links a::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: 0; height: 2px;
  background: var(--gold); transition: right .22s var(--ease);
}
.nav__links a:hover::after, .nav__links a[aria-current="page"]::after { right: 0; }
.nav__links a[aria-current="page"] { color: var(--white); font-weight: 600; }
.nav__cta { flex: none; }

.nav__toggle {
  display: none; width: 44px; height: 44px;
  border: 1px solid rgba(255,255,255,.22); border-radius: var(--radius);
  place-items: center; color: var(--white);
}
.nav__toggle span {
  position: relative; display: block; width: 18px; height: 2px; background: currentColor;
  transition: background .18s var(--ease);
}
.nav__toggle span::before, .nav__toggle span::after {
  content: ""; position: absolute; left: 0; width: 18px; height: 2px; background: currentColor;
  transition: transform .22s var(--ease);
}
.nav__toggle span::before { top: -6px; }
.nav__toggle span::after  { top:  6px; }
.nav__toggle[aria-expanded="true"] span { background: transparent; }
.nav__toggle[aria-expanded="true"] span::before { transform: translateY(6px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span::after  { transform: translateY(-6px) rotate(-45deg); }

/* --- Hero --------------------------------------------------------------- */
.hero {
  position: relative; overflow: hidden;
  color: var(--white);
  background:
    radial-gradient(900px 520px at 78% 30%, rgba(0,152,233,.20), transparent 60%),
    linear-gradient(150deg, #071829 0%, #04101d 58%, #08243a 100%);
}
.hero::before {
  content: ""; position: absolute; inset: 0; opacity: .30;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 68px 68px;
  -webkit-mask-image: linear-gradient(to bottom, #000, transparent 88%);
          mask-image: linear-gradient(to bottom, #000, transparent 88%);
}
.hero > .shell { position: relative; z-index: 2; }

.hero--home .hero__grid {
  display: grid; grid-template-columns: 1.05fr .95fr; align-items: center;
  gap: clamp(40px, 5vw, 72px);
  padding-block: clamp(64px, 9vw, 108px);
}
.hero h1 span.accent {
  display: block;
  background: linear-gradient(100deg, var(--blue-light), var(--gold));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero__actions { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; margin-top: 34px; }
.hero .lead { margin-top: 24px; }

/* Hero visual */
.hero__visual { position: relative; display: grid; place-items: center; min-height: 440px; }
.orbit { position: absolute; border-radius: 50%; border: 1px solid rgba(120,202,242,.18); }
.orbit--1 { width: 330px; height: 330px; }
.orbit--2 { width: 450px; height: 450px; border-style: dashed; animation: spin 34s linear infinite; }
.orbit--3 { width: 560px; height: 560px; border-color: rgba(120,202,242,.08); }
@keyframes spin { to { transform: rotate(360deg); } }

.core {
  position: relative; z-index: 3;
  width: 208px; aspect-ratio: 1; border-radius: 50%;
  display: grid; place-items: center;
  border: 1px solid rgba(70,200,255,.42);
  background: radial-gradient(circle, rgba(12,50,80,.96), rgba(4,15,27,.94));
  box-shadow: 0 0 70px rgba(0,153,235,.28), inset 0 0 50px rgba(32,178,244,.10);
}
.core img { width: 118px; height: 118px; object-fit: contain; }

.chip {
  position: absolute; z-index: 4; width: 186px;
  display: grid; grid-template-columns: 32px 1fr; align-items: center;
  gap: 2px 10px; padding: 14px;
  border: 1px solid rgba(255,255,255,.14); border-radius: var(--radius);
  background: rgba(10,35,55,.86); backdrop-filter: blur(10px);
  box-shadow: var(--shadow-lg);
}
.chip svg { grid-row: span 2; color: var(--blue-light); }
.chip small { color: #8fa6b8; font-size: .68rem; line-height: 1.3; }
.chip b { font-size: .84rem; }
.chip--a { top: 46px; right: 0; }
.chip--b { bottom: 52px; left: 0; }
.chip--b svg { color: var(--gold); }

/* Inner-page hero */
.hero--page .hero__inner { padding-block: clamp(52px, 7vw, 84px); max-width: 780px; }
.crumbs { display: flex; flex-wrap: wrap; gap: 8px; font-size: .78rem; color: #8ba1b3; margin-bottom: 20px; }
.crumbs a:hover { color: var(--blue-light); }
.crumbs [aria-current] { color: var(--white); }

/* --- Trust strip -------------------------------------------------------- */
.trust {
  position: relative; z-index: 2;
  border-top: 1px solid rgba(255,255,255,.10);
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 16px 32px; padding-block: 22px;
  color: #9db0bf; font-size: .84rem;
}
.trust strong { color: var(--white); font-weight: 650; }
.trust ul { display: flex; flex-wrap: wrap; gap: 10px 26px; }
.trust li { display: inline-flex; align-items: center; gap: 8px; }
.trust svg { color: var(--gold); flex: none; }

/* --- Cards -------------------------------------------------------------- */
.grid { display: grid; gap: 24px; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

.card {
  display: flex; flex-direction: column;
  padding: 30px 26px 28px;
  background: var(--white);
  border: 1px solid var(--line); border-radius: var(--radius-lg);
  transition: transform .22s var(--ease), box-shadow .22s var(--ease), border-color .22s var(--ease);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: #cfe0ee; }
.card__top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 26px; }
.card__icon {
  width: 46px; height: 46px; border-radius: 11px; display: grid; place-items: center;
  color: var(--blue-deep); background: #e8f4fc; border: 1px solid #d3e9f8;
}
.card__num { font-family: var(--font-mono); font-size: .74rem; color: var(--slate-2); }
.card h3 { margin-bottom: 12px; font-size: 1.14rem; }
.card p  { color: var(--slate); font-size: .93rem; }
.card__list { margin-top: 18px; display: grid; gap: 9px; }
.card__list li { position: relative; padding-left: 20px; font-size: .88rem; color: var(--slate); }
.card__list li::before {
  content: ""; position: absolute; left: 0; top: .58em;
  width: 7px; height: 7px; background: var(--gold); transform: rotate(45deg);
}
.card .arrow-link { margin-top: auto; padding-top: 24px; }

/* --- Process ------------------------------------------------------------ */
.split { display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(40px, 6vw, 88px); }
.split--form { grid-template-columns: 1.25fr .75fr; }
.split__aside { position: sticky; top: 108px; align-self: start; }

.steps { border-top: 1px solid rgba(255,255,255,.14); }
.steps li {
  display: grid; grid-template-columns: 64px 1fr; gap: 16px;
  padding-block: 26px; border-bottom: 1px solid rgba(255,255,255,.14);
}
.steps .num { font-family: var(--font-mono); font-size: .74rem; color: var(--gold); padding-top: 5px; }
.steps h3 { font-size: 1.12rem; margin-bottom: 8px; }
.steps p  { color: #9fb1c0; font-size: .92rem; }

/* --- Feature panel ------------------------------------------------------ */
.panel {
  background: var(--mist); border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: clamp(32px, 4.5vw, 60px);
}
.panel__head { display: grid; grid-template-columns: 1fr 1fr; gap: 24px 72px; align-items: end; }
.panel__points {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 36px;
  margin-top: 46px; padding-top: 40px; border-top: 1px solid #d6e1ea;
}
.panel__points svg { color: var(--blue-deep); margin-bottom: 16px; }
.panel__points h3 { font-size: 1.02rem; margin-bottom: 8px; }
.panel__points p  { color: var(--slate); font-size: .9rem; }

/* --- Stats -------------------------------------------------------------- */
.stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  background: var(--line); border: 1px solid var(--line);
  border-radius: var(--radius-lg); overflow: hidden;
}
.stats div { background: var(--white); padding: 30px 24px; }
.stats b { display: block; font-size: clamp(1.8rem, 3vw, 2.4rem); letter-spacing: -.03em; color: var(--navy-800); }
.stats span { display: block; margin-top: 8px; font-size: .86rem; color: var(--slate); }

/* --- FAQ / accordion ---------------------------------------------------- */
.faq { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  padding: 22px 0; cursor: pointer; font-weight: 650; list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; font-size: 1.35rem; font-weight: 400; color: var(--blue-deep);
  transition: transform .2s var(--ease);
}
.faq details[open] summary::after { transform: rotate(45deg); }
.faq p { padding-bottom: 24px; color: var(--slate); max-width: 72ch; }

/* --- CTA band ----------------------------------------------------------- */
.cta {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 28px; padding: clamp(36px, 5vw, 60px);
  border-radius: var(--radius-lg); color: var(--white);
  background: linear-gradient(115deg, #0071b5, #00a8ef);
  box-shadow: var(--shadow-md);
}
.cta h2 { max-width: 18ch; }
.cta p  { margin-top: 14px; color: #d9f2ff; max-width: 46ch; }

/* --- Forms -------------------------------------------------------------- */
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.field { display: grid; gap: 8px; }
.field--full { grid-column: 1 / -1; }
.field label { font-size: .84rem; font-weight: 650; }
.field label .req { color: #c0392b; }
.field input, .field select, .field textarea {
  font: inherit; font-size: .94rem; color: var(--ink);
  padding: 13px 14px; background: var(--white);
  border: 1px solid var(--line); border-radius: var(--radius);
  transition: border-color .18s var(--ease), box-shadow .18s var(--ease);
}
.field textarea { min-height: 148px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(0, 152, 233, .16);
}
.field .error { font-size: .78rem; color: #c0392b; min-height: 1em; }
.field [aria-invalid="true"] { border-color: #c0392b; }
.form-note { font-size: .8rem; color: var(--slate); }
.form-status { border-radius: var(--radius); padding: 14px 16px; font-size: .9rem; }
.form-status[data-state="ok"]  { background: #e7f7ed; color: #14603a; border: 1px solid #bfe6cf; }
.form-status[data-state="err"] { background: #fdecea; color: #8c231a; border: 1px solid #f5c6c0; }
.visually-hidden {
  position: absolute !important; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* --- Contact detail list ------------------------------------------------ */
.details { display: grid; gap: 22px; }
.details li { display: grid; grid-template-columns: 42px 1fr; gap: 14px; align-items: start; }
.details svg { color: var(--blue-deep); margin-top: 3px; }
.details b {
  display: block; font-size: .78rem; text-transform: uppercase;
  letter-spacing: .1em; color: var(--slate-2); margin-bottom: 4px;
}
.details a:hover { color: var(--blue-deep); }

/* --- Footer ------------------------------------------------------------- */
.site-footer { background: var(--navy-900); color: #8fa3b2; padding-top: clamp(52px, 6vw, 76px); }
.footer__grid {
  display: grid; grid-template-columns: 1.7fr 1fr 1fr 1fr; gap: 44px;
  padding-bottom: 52px;
}
.footer__brand img { width: 200px; margin-bottom: 22px; }
.footer__brand p { font-size: .9rem; max-width: 34ch; }
.footer__social { display: flex; gap: 10px; margin-top: 22px; }
.footer__social a {
  width: 38px; height: 38px; border-radius: var(--radius);
  display: grid; place-items: center;
  border: 1px solid rgba(255,255,255,.14); color: #b9c9d5;
  transition: border-color .18s var(--ease), color .18s var(--ease), background-color .18s var(--ease);
}
.footer__social a:hover { color: var(--white); border-color: var(--blue-light); background: rgba(0,152,233,.14); }
.footer__col h4 { color: var(--white); font-size: .84rem; margin-bottom: 16px; letter-spacing: .02em; }
.footer__col li + li { margin-top: 10px; }
.footer__col a { font-size: .88rem; }
.footer__col a:hover { color: var(--blue-light); }
.footer__bottom {
  border-top: 1px solid rgba(255,255,255,.09);
  padding-block: 22px;
  display: flex; flex-wrap: wrap; gap: 10px 24px; justify-content: space-between;
  font-size: .78rem; color: #6d8394;
}

/* --- Floating WhatsApp button ------------------------------------------- */
.wa-float {
  position: fixed; right: 22px; bottom: 22px; z-index: 90;
  display: inline-flex; align-items: center; gap: 12px;
  height: 58px; padding: 0 17px;
  border-radius: 999px;
  background: #25d366; color: #fff;
  box-shadow: 0 10px 28px rgba(18, 140, 70, .34), 0 2px 6px rgba(0, 0, 0, .16);
  transition: transform .2s var(--ease), box-shadow .2s var(--ease), background-color .2s var(--ease);
}
.wa-float:hover  { background: #1eb457; transform: translateY(-3px); box-shadow: 0 16px 36px rgba(18, 140, 70, .42); }
.wa-float:active { transform: translateY(-1px); }
.wa-float svg    { width: 26px; height: 26px; flex: none; }

/* The label is revealed on hover/focus; the icon alone is the resting state. */
.wa-float__label {
  max-width: 0; overflow: hidden; white-space: nowrap;
  font-size: .92rem; font-weight: 650; letter-spacing: .005em;
  transition: max-width .28s var(--ease);
}
.wa-float:hover .wa-float__label,
.wa-float:focus-visible .wa-float__label { max-width: 190px; }

/* Attention ring, once every few seconds. */
.wa-float::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit;
  border: 2px solid #25d366; animation: wa-ping 2.6s ease-out infinite;
}
@keyframes wa-ping {
  0%       { opacity: .55; transform: scale(1); }
  60%, 100% { opacity: 0;   transform: scale(1.34); }
}

@media (max-width: 640px) {
  .wa-float { right: 16px; bottom: 16px; height: 54px; padding: 0 14px; }
  .wa-float svg { width: 25px; height: 25px; }
  .wa-float__label { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .wa-float::before { animation: none; opacity: 0; }
}

@media print { .wa-float { display: none !important; } }

/* --- Reveal on scroll --------------------------------------------------- */
.reveal { opacity: 0; transform: translateY(18px); }
.reveal.is-visible {
  opacity: 1; transform: none;
  transition: opacity .6s var(--ease), transform .6s var(--ease);
}

/* --- Responsive --------------------------------------------------------- */
@media (max-width: 1024px) {
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
}

@media (max-width: 900px) {
  .topbar__tag { display: none; }
  .topbar__inner { justify-content: center; }
  .nav__links, .nav__cta { display: none; }
  .nav__toggle { display: grid; }

  .site-header.is-open .nav__links {
    display: flex; flex-direction: column; align-items: stretch; gap: 0;
    position: absolute; left: 0; right: 0; top: 100%;
    background: var(--navy-800);
    border-bottom: 1px solid rgba(255,255,255,.1);
    padding: 8px 0 24px;
  }
  .site-header.is-open .nav__links a:not(.btn) {
    padding: 15px 0; border-bottom: 1px solid rgba(255,255,255,.08); font-size: 1rem;
  }
  .site-header.is-open .nav__links a::after { display: none; }
  .site-header.is-open .nav__links .nav__cta { display: inline-flex; margin-top: 20px; }

  .hero--home .hero__grid { grid-template-columns: 1fr; }
  .hero__visual { min-height: 400px; order: -1; }
  .orbit--3 { display: none; }

  .split, .split--form { grid-template-columns: 1fr; }
  .split__aside { position: static; }
  .panel__head { grid-template-columns: 1fr; }
  .panel__points { grid-template-columns: 1fr 1fr; gap: 30px; }
  .stats { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  :root { --gutter: 18px; }
  /* Keep the top bar to one comfortable line: email + phone only. */
  .topbar { font-size: .74rem; }
  .topbar__links { gap: 16px; }
  .topbar__links a:last-child { display: none; }
  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .panel__points { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr; }
  .brand { width: 148px; }
  .hero__visual { min-height: 330px; }
  .orbit--1 { width: 250px; height: 250px; }
  .orbit--2 { width: 320px; height: 320px; }
  .core { width: 158px; }
  .core img { width: 88px; height: 88px; }
  .chip { width: 162px; padding: 12px; }
  .chip--a { top: 12px; right: -6px; }
  .chip--b { bottom: 10px; left: -6px; }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 34px 24px; }
  .cta { flex-direction: column; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}

@media print {
  .site-header, .topbar, .site-footer, .hero__visual, .btn { display: none !important; }
  body { color: #000; }
}