/* =========================================================
   Confused Programmer — styles.css
   Dark-first, minimal, engineering-focused.
   ========================================================= */

/* ---------- Tokens ---------- */
:root {
  --bg:            #08090c;
  --bg-alt:        #0a0c11;
  --surface:       rgba(255, 255, 255, .026);
  --surface-2:     rgba(255, 255, 255, .045);
  --border:        rgba(255, 255, 255, .075);
  --border-strong: rgba(255, 255, 255, .15);

  --text:   #e9ebf2;
  --muted:  #9aa1b4;
  --dim:    #7c849a;   /* 5.3:1 on --bg — AA for the small text this is used on */

  --accent:    #7c93ff;
  --accent-2:  #a78bfa;
  --cyan:      #22d3ee;
  --accent-ink:#0a0b10;

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

  --wrap: 1200px;
  --r-sm: 8px;
  --r:    14px;
  --r-lg: 20px;

  --pad-y: clamp(72px, 9vw, 132px);
  --ease: cubic-bezier(.22, .61, .36, 1);
  --nav-h: 68px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
ul, ol { margin: 0; padding: 0; list-style: none; }
p { margin: 0; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }

h1, h2, h3 { margin: 0; font-weight: 600; letter-spacing: -.022em; line-height: 1.12; }
h2 { font-size: clamp(1.75rem, 3.6vw, 2.85rem); }
h3 { font-size: 1.0625rem; letter-spacing: -.012em; line-height: 1.35; }

.mono { font-family: var(--mono); font-weight: 400; }
.grad {
  background: linear-gradient(100deg, var(--accent) 0%, var(--accent-2) 55%, var(--cyan) 130%);
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}

/* ---------- Focus / a11y ---------- */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}
.skip-link {
  position: absolute; left: 16px; top: -60px; z-index: 200;
  padding: 10px 16px; border-radius: var(--r-sm);
  background: var(--accent); color: var(--accent-ink); font-weight: 600;
  transition: top .18s var(--ease);
}
.skip-link:focus { top: 14px; }

/* ---------- Layout ---------- */
.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.wrap--narrow { max-width: 800px; }
.section { position: relative; padding: var(--pad-y) 0; }
.section--alt { background: var(--bg-alt); border-block: 1px solid var(--border); }

.shead { max-width: 660px; margin-bottom: clamp(40px, 5vw, 64px); }
.shead h2 { margin-bottom: 16px; }
.shead__sub { color: var(--muted); font-size: 1.0625rem; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  margin-bottom: 18px;
  font-family: var(--mono); font-size: .75rem; letter-spacing: .16em;
  text-transform: uppercase; color: var(--dim);
}
.eyebrow .mono { color: var(--accent); }
.dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--cyan); box-shadow: 0 0 0 4px rgba(34, 211, 238, .12);
  animation: blip 2.6s var(--ease) infinite;
}
@keyframes blip { 0%, 100% { opacity: 1; } 50% { opacity: .35; } }

.grid { display: grid; gap: 18px; }
.cards > * { min-width: 0; }   /* keep long words from blowing out grid tracks */
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--5 { grid-template-columns: repeat(5, 1fr); }
.grid--tech { grid-template-columns: repeat(5, 1fr); gap: 14px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 22px;
  border: 1px solid transparent; border-radius: 999px;
  font-size: .9375rem; font-weight: 600; letter-spacing: -.005em;
  cursor: pointer; white-space: nowrap;
  transition: transform .18s var(--ease), background .2s var(--ease),
              border-color .2s var(--ease), box-shadow .25s var(--ease);
}
.btn--sm { padding: 9px 17px; font-size: .875rem; }
.btn--full { width: 100%; }
.btn--primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: var(--accent-ink);
  box-shadow: 0 6px 22px -10px rgba(124, 147, 255, .75);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 12px 32px -10px rgba(124, 147, 255, .8); }
.btn--ghost {
  background: var(--surface); border-color: var(--border-strong); color: var(--text);
}
.btn--ghost:hover { background: var(--surface-2); border-color: var(--accent); transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

/* ---------- Nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 100;
  height: var(--nav-h);
  border-bottom: 1px solid transparent;
  transition: background .25s var(--ease), border-color .25s var(--ease), backdrop-filter .25s;
}
.nav.is-stuck {
  background: rgba(8, 9, 12, .78);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--border);
}
.nav__inner { display: flex; align-items: center; justify-content: space-between; height: 100%; }

.brand { display: inline-flex; align-items: center; gap: 10px; }
.brand__mark { display: grid; place-items: center; }
.brand__text { font-weight: 600; font-size: 1rem; letter-spacing: -.02em; }
.brand__text--dim { color: var(--dim); }

.nav__links { display: flex; align-items: center; gap: 30px; }
.nav__links > a:not(.btn) {
  position: relative; font-size: .9375rem; color: var(--muted);
  transition: color .18s var(--ease);
}
.nav__links > a:not(.btn)::after {
  content: ""; position: absolute; left: 0; bottom: -6px;
  width: 100%; height: 1px; background: var(--accent);
  transform: scaleX(0); transform-origin: left;
  transition: transform .25s var(--ease);
}
.nav__links > a:not(.btn):hover { color: var(--text); }
.nav__links > a:not(.btn):hover::after,
.nav__links > a.is-active::after { transform: scaleX(1); }
.nav__links > a.is-active { color: var(--text); }
.nav__cta { margin-left: 6px; }

.nav__toggle {
  display: none; width: 42px; height: 42px;
  background: var(--surface); border: 1px solid var(--border); border-radius: 10px;
  cursor: pointer;
  padding: 0; place-items: center; gap: 5px;
  /* align-content must pack the rows — otherwise auto rows stretch and the
     bars land off-centre, turning the close state into a chevron. */
  align-content: center;
}
.nav__toggle span {
  display: block; width: 17px; height: 1.5px; background: var(--text); border-radius: 2px;
  transition: transform .22s var(--ease), opacity .18s var(--ease);
}
.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); }

/* ---------- Hero ---------- */
.hero { position: relative; padding: clamp(56px, 8vw, 104px) 0 clamp(72px, 9vw, 120px); overflow: hidden; }
.hero__grid-bg {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(255,255,255,.028) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,.028) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 15%, #000 20%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 15%, #000 20%, transparent 78%);
}
.hero__glow {
  position: absolute; top: -22%; left: 50%; transform: translateX(-50%);
  width: min(1100px, 130vw); aspect-ratio: 2 / 1; pointer-events: none;
  background: radial-gradient(ellipse at center, rgba(124,147,255,.16), transparent 62%);
  filter: blur(10px);
}
.hero__inner {
  position: relative;
  display: grid; grid-template-columns: 1.08fr .92fr;
  gap: clamp(32px, 5vw, 64px); align-items: center;
}
.hero__title { font-size: clamp(2.4rem, 6.2vw, 4.35rem); letter-spacing: -.035em; }
.hero__sub {
  margin-top: 20px; font-size: clamp(1.0625rem, 2vw, 1.3rem);
  font-weight: 500; color: var(--text);
}
.hero__lede { margin-top: 18px; max-width: 54ch; color: var(--muted); font-size: 1.0625rem; }
.hero__line {
  margin-top: 20px; display: flex; gap: 10px;
  font-size: .9375rem; color: var(--dim);
}
.hero__line .mono { color: var(--cyan); }
.hero__cta { margin-top: 34px; display: flex; flex-wrap: wrap; gap: 12px; }
.hero__chips { margin-top: 38px; display: flex; flex-wrap: wrap; gap: 8px; }
.hero__chips li {
  padding: 6px 13px; border: 1px solid var(--border); border-radius: 999px;
  background: var(--surface);
  font-family: var(--mono); font-size: .75rem; letter-spacing: .06em; color: var(--muted);
}

/* Hero visual */
.hero__visual { position: relative; }
.sysmap { width: 100%; height: auto; overflow: visible; }
.sysmap .ntitle {
  fill: var(--text); font-family: var(--mono); font-size: 11px;
  letter-spacing: .1em; dominant-baseline: middle;
}
.sysmap .nsub { fill: var(--dim); font-family: var(--font); font-size: 9.5px; dominant-baseline: middle; }
.sysmap .orbit { animation: spin 46s linear infinite; transform-origin: 260px 260px; }
.sysmap .orbit--rev { animation-duration: 72s; animation-direction: reverse; }
.sysmap .device { animation: float 7s ease-in-out infinite; }
.sysmap .node { animation: float 9s ease-in-out infinite; }
.sysmap .node:nth-of-type(2) { animation-delay: -1.6s; }
.sysmap .node:nth-of-type(3) { animation-delay: -3.2s; }
.sysmap .node:nth-of-type(4) { animation-delay: -4.8s; }
.sysmap .link { stroke-dasharray: 5 7; animation: dash 3.4s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-7px); } }
@keyframes dash { to { stroke-dashoffset: -24; } }

/* ---------- Cards ---------- */
.card {
  position: relative; isolation: isolate;
  display: flex; flex-direction: column;
  padding: 26px 24px 24px;
  background: var(--surface);
  border: 1px solid var(--border); border-radius: var(--r);
  transition: transform .28s var(--ease), border-color .28s var(--ease), background .28s var(--ease);
}
.card::before,
.work::before {
  content: ""; position: absolute; inset: -1px; z-index: -1;
  border-radius: inherit; opacity: 0;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 0%), rgba(124,147,255,.16), transparent 62%);
  transition: opacity .3s var(--ease);
}
.card:hover { transform: translateY(-4px); border-color: var(--border-strong); background: var(--surface-2); }
.card:hover::before { opacity: 1; }

.card__icon {
  display: grid; place-items: center; width: 42px; height: 42px; margin-bottom: 18px;
  border: 1px solid var(--border); border-radius: 11px;
  background: linear-gradient(160deg, rgba(124,147,255,.13), rgba(167,139,250,.05));
  color: var(--accent);
}
.card__icon svg { width: 21px; height: 21px; }
.card h3 { margin-bottom: 9px; }
.card p { color: var(--muted); font-size: .9375rem; }

.card__tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 18px; }
.card__tags li {
  padding: 4px 10px; border: 1px solid var(--border); border-radius: 6px;
  font-family: var(--mono); font-size: .6875rem; color: var(--dim);
}
.card__more {
  margin-top: auto; padding-top: 20px;
  font-size: .8125rem; font-weight: 600; color: var(--accent);
  opacity: .55; transition: opacity .25s var(--ease);
}
.card__more span { display: inline-block; transition: transform .25s var(--ease); }
.card:hover .card__more { opacity: 1; }
.card:hover .card__more span { transform: translateX(4px); }

.card--flat { padding: 24px; }
.card--cta { justify-content: center; background: linear-gradient(150deg, rgba(124,147,255,.1), rgba(167,139,250,.03)); border-color: rgba(124,147,255,.22); }
.card--cta .btn { margin-top: 20px; align-self: flex-start; }
.card--quote { justify-content: center; background: transparent; border-style: dashed; }
.quote { font-size: 1.0625rem; font-weight: 500; color: var(--text) !important; line-height: 1.4; }
.quote__sub { margin-top: 8px; font-family: var(--mono); font-size: .8125rem; color: var(--accent) !important; }

/* ---------- Tech ---------- */
.techbox {
  padding: 22px 20px;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--r);
  transition: border-color .25s var(--ease), background .25s var(--ease);
}
.techbox:hover { border-color: var(--border-strong); background: var(--surface-2); }
.techbox h3 {
  display: flex; align-items: flex-start; gap: 10px;
  min-height: 2.7em;              /* keeps the rule aligned when a title wraps */
  margin-bottom: 16px; padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
  font-size: .9375rem;
}
.techbox__i {
  display: grid; place-items: center; width: 24px; height: 24px; flex: 0 0 24px;
  border-radius: 6px; background: rgba(124,147,255,.14); color: var(--accent);
  font-size: .6875rem;
}
.techbox ul { display: flex; flex-direction: column; gap: 9px; }
.techbox li {
  position: relative; padding-left: 15px;
  font-size: .875rem; color: var(--muted);
}
.techbox li::before {
  content: ""; position: absolute; left: 0; top: .62em;
  width: 5px; height: 5px; border-radius: 50%;
  background: var(--accent); opacity: .5;
}

/* ---------- Work ---------- */
.work {
  position: relative; isolation: isolate;
  display: flex; flex-direction: column;
  padding: 22px;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--r);
  transition: transform .28s var(--ease), border-color .28s var(--ease), background .28s var(--ease);
}
.work:hover { transform: translateY(-4px); border-color: var(--border-strong); background: var(--surface-2); }
.work:hover::before { opacity: 1; }
.work__head { display: flex; align-items: center; gap: 14px; }
.work__icon {
  display: grid; place-items: center; width: 46px; height: 46px; flex: 0 0 46px;
  border-radius: 12px; border: 1px solid var(--border);
  background: linear-gradient(150deg, rgba(124,147,255,.16), rgba(34,211,238,.05));
  font-family: var(--mono); font-size: 1rem; font-weight: 500; color: var(--accent);
}
.work__name { font-size: 1rem; }
.work__meta { margin-top: 3px; font-family: var(--mono); font-size: .6875rem; letter-spacing: .08em; color: var(--dim); text-transform: uppercase; }
.work__desc { margin-top: 16px; color: var(--muted); font-size: .9375rem; }
.work__link {
  margin-top: auto; padding-top: 18px; align-self: flex-start;
  display: inline-flex; align-items: center; gap: 7px;
  font-size: .8125rem; font-weight: 600; color: var(--accent);
}
.work__link span { transition: transform .25s var(--ease); }
.work:hover .work__link span { transform: translateX(4px); }
.work__foot { margin-top: 36px; }

/* ---------- Steps ---------- */
.steps {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1px; background: var(--border);
  border: 1px solid var(--border); border-radius: var(--r); overflow: hidden;
}
.step {
  display: flex; gap: 16px; align-items: flex-start;
  padding: 28px 24px; background: var(--bg);
  transition: background .25s var(--ease);
}
.step:hover { background: var(--bg-alt); }
.step__n {
  font-size: .8125rem; letter-spacing: .04em; color: var(--accent);
  padding-top: 2px;
}
.step h3 { margin-bottom: 8px; }
.step p { color: var(--muted); font-size: .9375rem; }

/* ---------- Who ---------- */
.who {
  padding: 20px 0 0;              /* no side padding — columns are already narrow */
  border-top: 1px solid var(--border);
  transition: border-color .25s var(--ease);
}
.who:hover { border-top-color: var(--accent); }
.who h3 { margin-bottom: 9px; }
.who p { color: var(--muted); font-size: .875rem; }

/* ---------- About ---------- */
.about { display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(32px, 5vw, 72px); align-items: start; }
.about__copy h2 { margin-bottom: 22px; }
.about__copy p { color: var(--muted); font-size: 1.0625rem; }
.about__copy p + p { margin-top: 16px; }
.about__panel {
  padding: 30px 28px;
  background: linear-gradient(160deg, rgba(124,147,255,.075), rgba(255,255,255,.012));
  border: 1px solid var(--border); border-radius: var(--r-lg);
}
.about__stmt { font-size: 1.125rem; font-weight: 500; letter-spacing: -.015em; }
.about__stmt + .about__stmt { margin-top: 12px; }
.about__stmt--last { color: var(--muted); font-weight: 400; font-size: 1rem; }
.about__rule { height: 1px; margin: 26px 0 18px; background: var(--border); }
.about__kicker { font-size: .875rem; letter-spacing: .08em; color: var(--cyan); }

/* ---------- FAQ ---------- */
.faq { border-top: 1px solid var(--border); }
.faq details { border-bottom: 1px solid var(--border); }
.faq summary {
  display: flex; align-items: center; justify-content: space-between; gap: 18px;
  padding: 20px 2px; cursor: pointer; list-style: none;
  font-size: 1rem; font-weight: 500; letter-spacing: -.012em;
  transition: color .2s var(--ease);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: ""; flex: 0 0 11px; width: 11px; height: 11px;
  background:
    linear-gradient(var(--accent), var(--accent)) center / 11px 1.5px no-repeat,
    linear-gradient(var(--accent), var(--accent)) center / 1.5px 11px no-repeat;
  transition: transform .28s var(--ease);
}
.faq details[open] summary::after { transform: rotate(135deg); }
.faq summary:hover { color: var(--accent); }
.faq__a { padding: 0 2px 22px; }
.faq__a p { max-width: 68ch; color: var(--muted); font-size: .9375rem; }

/* ---------- Contact ---------- */
.contact { overflow: hidden; border-top: 1px solid var(--border); }
.contact__glow {
  position: absolute; bottom: -40%; left: 50%; transform: translateX(-50%);
  width: min(1000px, 130vw); aspect-ratio: 2 / 1; pointer-events: none;
  background: radial-gradient(ellipse at center, rgba(167,139,250,.14), transparent 65%);
}
.contact__inner {
  position: relative;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 5vw, 64px); align-items: start;
}
.contact__copy h2 { margin-bottom: 22px; }
.contact__copy p { color: var(--muted); font-size: 1.0625rem; }
.contact__copy p + p { margin-top: 16px; }
.contact__links { margin-top: 30px; display: flex; flex-wrap: wrap; gap: 10px; }
.contact__links a {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 9px 15px; border: 1px solid var(--border); border-radius: 999px;
  background: var(--surface); font-size: .875rem; color: var(--muted);
  transition: color .2s var(--ease), border-color .2s var(--ease), transform .2s var(--ease);
}
.contact__links a:hover { color: var(--text); border-color: var(--accent); transform: translateY(-2px); }

/* ---------- Form ---------- */
.form {
  padding: clamp(22px, 3vw, 30px);
  background: rgba(255,255,255,.022);
  border: 1px solid var(--border); border-radius: var(--r-lg);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
}
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field { display: flex; flex-direction: column; gap: 7px; margin-bottom: 14px; }
.field label { font-size: .8125rem; font-weight: 500; color: var(--muted); }
.field .opt { color: var(--dim); font-weight: 400; }
.field input, .field select, .field textarea {
  width: 100%; padding: 12px 14px;
  background: rgba(0,0,0,.28);
  border: 1px solid var(--border); border-radius: 10px;
  font-size: .9375rem; color: var(--text);
  transition: border-color .2s var(--ease), background .2s var(--ease);
}
.field textarea { resize: vertical; min-height: 108px; }
.field input::placeholder, .field textarea::placeholder { color: var(--dim); }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--accent); background: rgba(0,0,0,.42);
  box-shadow: 0 0 0 3px rgba(124,147,255,.14);
}
.field select {
  appearance: none; -webkit-appearance: none; padding-right: 40px; cursor: pointer;
  background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%),
                    linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position: calc(100% - 20px) center, calc(100% - 14px) center;
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
}
.field select option { background: #14161d; color: var(--text); }
.field.is-invalid input, .field.is-invalid select, .field.is-invalid textarea { border-color: #f87171; }
.form .btn { margin-top: 8px; }
.form__note { margin-top: 14px; font-size: .8125rem; color: var(--muted); min-height: 1.2em; text-align: center; }
.form__note.is-error { color: #f87171; }
.form__note.is-ok { color: var(--cyan); }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--border); background: var(--bg-alt); }
.footer__inner {
  display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 40px; padding-top: 60px; padding-bottom: 48px;
}
.footer__name { font-size: 1.125rem; font-weight: 600; letter-spacing: -.02em; }
.footer__tag { margin-top: 10px; font-size: .9375rem; color: var(--muted); }
.footer__sub { margin-top: 4px; font-size: .875rem; color: var(--dim); }
.footer__col { display: flex; flex-direction: column; gap: 11px; }
.footer__h {
  margin-bottom: 4px; font-family: var(--mono); font-size: .6875rem;
  letter-spacing: .14em; text-transform: uppercase; color: var(--dim);
}
.footer__col a { font-size: .875rem; color: var(--muted); transition: color .18s var(--ease); }
.footer__col a:hover { color: var(--accent); }
.footer__bar {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding-top: 22px; padding-bottom: 30px;
  border-top: 1px solid var(--border);
  font-size: .8125rem; color: var(--dim);
}
.footer__bar .mono { font-size: .75rem; letter-spacing: .06em; }

/* ---------- Sticky mobile CTA ---------- */
.sticky-cta {
  position: fixed; z-index: 90; left: 16px; right: 16px; bottom: 16px;
  display: none; align-items: center; justify-content: center;
  padding: 15px; border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: var(--accent-ink); font-weight: 600;
  box-shadow: 0 10px 32px -10px rgba(124,147,255,.85);
  transform: translateY(140%);
  transition: transform .32s var(--ease);
}
.sticky-cta.is-visible { transform: translateY(0); }

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

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 1080px) {
  .grid--tech { grid-template-columns: repeat(3, 1fr); }
  .grid--5 { grid-template-columns: repeat(3, 1fr); }
  .footer__inner { grid-template-columns: 1fr 1fr; gap: 34px; }
}

@media (max-width: 960px) {
  :root { --nav-h: 62px; }

  .nav__toggle { display: grid; }
  .nav__links {
    position: fixed; inset: var(--nav-h) 0 auto; z-index: 99;
    flex-direction: column; align-items: stretch; gap: 4px;
    padding: 18px 24px 26px;
    background: rgba(8, 9, 12, .97);
    backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    transform: translateY(-8px); opacity: 0; pointer-events: none;
    transition: opacity .22s var(--ease), transform .22s var(--ease);
  }
  .nav__links.is-open { opacity: 1; transform: none; pointer-events: auto; }
  .nav__links > a:not(.btn) { padding: 13px 2px; font-size: 1rem; border-bottom: 1px solid var(--border); }
  .nav__links > a:not(.btn)::after { display: none; }
  .nav__cta { margin: 16px 0 0; }

  .hero { padding-top: 40px; }
  .hero__inner { grid-template-columns: 1fr; gap: 44px; }
  /* Headline stays first on small screens — the visual follows the message. */
  .hero__visual { max-width: 430px; margin: 0 auto; }
  .hero__lede { max-width: none; }

  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .about, .contact__inner { grid-template-columns: 1fr; }
  .sticky-cta { display: flex; }
}

@media (max-width: 680px) {
  body { font-size: 15.5px; }
  .wrap { padding: 0 18px; }
  .grid--3, .grid--5, .grid--tech, .steps { grid-template-columns: 1fr; }
  .form__row { grid-template-columns: 1fr; gap: 0; }
  .footer__inner { grid-template-columns: 1fr; gap: 30px; padding-top: 46px; }
  .footer__bar { flex-direction: column; align-items: flex-start; gap: 8px; }
  .hero__cta { flex-direction: column; align-items: stretch; }
  .hero__cta .btn { width: 100%; }
  .btn { padding: 14px 22px; }          /* larger touch targets */
  .card--cta .btn { align-self: stretch; }
  .steps { border: 0; background: transparent; gap: 12px; }
  .step { border: 1px solid var(--border); border-radius: var(--r); padding: 22px 20px; }
  .sticky-cta { padding: 16px; }
}

@media (max-width: 335px) {
  .brand__text--dim { display: none; }
  .hero__chips li { font-size: .6875rem; padding: 5px 11px; }
}

/* ---------- Motion / contrast preferences ---------- */
@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; }
  /* SMIL <animateMotion> ignores CSS animation overrides, so hide the
     travelling dots outright rather than leaving them in motion. */
  .sysmap .pulse { display: none; }
}

@media print {
  .nav, .sticky-cta, .hero__glow, .hero__grid-bg, .contact__glow { display: none; }
  body { background: #fff; color: #111; }
}