/* Vista Guard Systems - site styles
   Brand v2: graphite base, night-vision lime accent, Space Grotesk + JetBrains Mono.
   Radius lock: surfaces 14px, buttons 12px, inputs 10px, chips full-pill.
   One accent (lime) across the whole page. Dark theme locked. */

:root {
  --graphite: #0C0D10;
  --carbon: #121419;
  --carbon-2: #0E1014;
  --hairline: #23262E;
  --hairline-2: #2D313A;
  --lime: #C9F24A;
  --lime-press: #B4DD3C;
  --bone: #ECEEF0;
  --mute: #8A8F99;
  --faint: #7D828C;
  --rec: #FF5247;

  --r-surface: 14px;
  --r-btn: 12px;
  --r-input: 10px;

  --maxw: 1280px;
  --gutter: clamp(20px, 5vw, 64px);

  --font-display: 'Space Grotesk', 'Helvetica Neue', Arial, sans-serif;
  --font-body: 'Inter', 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, Menlo, Consolas, monospace;

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; scroll-padding-top: 84px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  background: var(--graphite);
  color: var(--bone);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }

:focus-visible { outline: 2px solid var(--lime); outline-offset: 2px; border-radius: 2px; }
.skip { position: absolute; left: 12px; top: -64px; z-index: 100; background: var(--lime); color: #0A0B0D; font-family: var(--font-display); font-weight: 500; padding: 11px 18px; border-radius: 0 0 10px 10px; transition: top 0.18s var(--ease); }
.skip:focus { top: 0; }
.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; }
img { display: block; max-width: 100%; }

h1, h2, h3 { font-family: var(--font-display); font-weight: 700; letter-spacing: -0.02em; line-height: 1.02; }

.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding-left: var(--gutter); padding-right: var(--gutter); }

.mono { font-family: var(--font-mono); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--faint);
  display: inline-block;
}

.section { padding: clamp(72px, 11vw, 150px) 0; position: relative; }
.section-head { max-width: 60ch; margin-bottom: clamp(36px, 5vw, 64px); }
.section-head h2 { font-size: clamp(2rem, 4.6vw, 3.5rem); margin-top: 14px; }
.section-head p { color: var(--mute); margin-top: 18px; font-size: 1.05rem; max-width: 56ch; }

.lime { color: var(--lime); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-display); font-weight: 500; font-size: 0.97rem;
  padding: 13px 22px; border-radius: var(--r-btn);
  border: 1px solid transparent; cursor: pointer; white-space: nowrap;
  transition: transform 0.18s var(--ease), background 0.18s var(--ease), border-color 0.18s var(--ease), color 0.18s var(--ease);
}
.btn i { font-size: 18px; }
.btn-primary { background: var(--lime); color: #0A0B0D; }
.btn-primary:hover { transform: translateY(-2px); background: #D6F861; }
.btn-primary:active { transform: translateY(0); background: var(--lime-press); }
.btn-ghost { background: transparent; color: var(--bone); border-color: var(--hairline-2); }
.btn-ghost:hover { transform: translateY(-2px); border-color: var(--lime); color: var(--lime); }
.btn-ghost:active { transform: translateY(0); }
.btn:focus-visible { outline: 2px solid var(--lime); outline-offset: 3px; }

/* ---------- nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  height: 70px; display: flex; align-items: center;
  background: rgba(12, 13, 16, 0.72);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--hairline);
}
.nav .wrap { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 11px; }
.brand .logo { width: 30px; height: 30px; flex: none; }
.brand .name { font-family: var(--font-display); font-weight: 700; font-size: 1.05rem; letter-spacing: 0.02em; }
.brand .name b { color: var(--lime); font-weight: 700; }
.nav-links { display: flex; align-items: center; gap: 30px; }
.nav-links a { color: var(--mute); font-size: 0.94rem; transition: color 0.18s var(--ease); }
.nav-links a:hover { color: var(--bone); }
.nav-actions { display: flex; align-items: center; gap: 14px; }
.nav-toggle { display: none; background: none; border: 1px solid var(--hairline-2); color: var(--bone); width: 42px; height: 42px; border-radius: var(--r-btn); cursor: pointer; font-size: 20px; }

/* ---------- hero ---------- */
.hero { padding-top: clamp(40px, 6vw, 88px); padding-bottom: clamp(48px, 7vw, 96px); }
.hero .wrap { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(32px, 5vw, 72px); align-items: center; }
.hero-copy { max-width: 620px; }
.hero-tag { display: inline-flex; align-items: center; gap: 9px; padding: 7px 14px; border: 1px solid var(--hairline-2); border-radius: 999px; font-family: var(--font-mono); font-size: 11.5px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--mute); }
.hero-tag .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 0 4px rgba(201, 242, 74, 0.16); }
.hero h1 { font-size: clamp(2.9rem, 7vw, 5.6rem); margin: 26px 0 0; }
.hero h1 .l2 { color: var(--mute); }
.hero p.sub { color: var(--mute); font-size: 1.13rem; line-height: 1.55; margin-top: 24px; max-width: 46ch; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.hero-meta { display: flex; gap: 28px; margin-top: 40px; flex-wrap: wrap; }
.hero-meta div { display: flex; flex-direction: column; gap: 3px; }
.hero-meta .k { font-family: var(--font-display); font-weight: 700; font-size: 1.5rem; }
.hero-meta .v { font-family: var(--font-mono); font-size: 11.5px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--faint); }

/* viewfinder visual */
.hero-visual { position: relative; }
.vf { position: relative; aspect-ratio: 4 / 5; border-radius: var(--r-surface); overflow: hidden; background: #05070b; box-shadow: inset 0 0 0 1px rgba(255,255,255,0.05); }
.vf .media { position: absolute; inset: 0; }
.vf img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(1) contrast(1.1) brightness(0.5); }
.vf .scrim { position: absolute; inset: 0; background: linear-gradient(160deg, rgba(5,7,11,0.3) 0%, rgba(5,7,11,0.5) 50%, rgba(5,7,11,0.9) 100%); }
.vf .scan { position: absolute; inset: 0; pointer-events: none; opacity: 0.5; background: repeating-linear-gradient(0deg, rgba(255,255,255,0.035) 0, rgba(255,255,255,0.035) 1px, transparent 1px, transparent 3px); }
.vf .sweep { position: absolute; left: 0; right: 0; top: 0; height: 38%; pointer-events: none; background: linear-gradient(180deg, transparent, rgba(201,242,74,0.05) 72%, rgba(201,242,74,0.16)); border-bottom: 1px solid rgba(201,242,74,0.4); animation: vgSweep 4.2s linear infinite; }
@keyframes vgSweep { 0% { transform: translateY(-105%); } 100% { transform: translateY(270%); } }
.vf .corner { position: absolute; width: 20px; height: 20px; border: 2px solid rgba(236,238,240,0.85); }
.vf .corner.tl { top: 46px; left: 14px; border-right: 0; border-bottom: 0; }
.vf .corner.tr { top: 46px; right: 14px; border-left: 0; border-bottom: 0; }
.vf .corner.bl { bottom: 46px; left: 14px; border-right: 0; border-top: 0; }
.vf .corner.br { bottom: 46px; right: 14px; border-left: 0; border-top: 0; }
.vf .hud { position: absolute; left: 14px; right: 14px; display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.vf .hud-top { top: 14px; }
.vf .hud-bottom { bottom: 14px; }
.vf .chip { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.05em; color: rgba(236,238,240,0.9); background: rgba(5,7,11,0.6); border: 1px solid var(--hairline-2); padding: 4px 7px; border-radius: 5px; display: inline-flex; align-items: center; gap: 6px; }
.vf .chip.clock { color: var(--lime); }
.vf .chip .rec { width: 7px; height: 7px; border-radius: 50%; background: var(--rec); animation: pulse 1.6s infinite; }
.vf .sig { align-items: flex-end; gap: 2px; }
.vf .sig i { width: 2.5px; background: var(--lime); border-radius: 1px; display: inline-block; }
.vf .sig i:nth-child(1) { height: 4px; }
.vf .sig i:nth-child(2) { height: 6px; }
.vf .sig i:nth-child(3) { height: 9px; }
.vf .sig i:nth-child(4) { height: 12px; }
.vf .track { position: absolute; pointer-events: none; will-change: left, top; }
.vf .track .box { position: absolute; inset: 0; box-sizing: border-box; border: 1.5px solid var(--lime); border-radius: 2px; background: rgba(201,242,74,0.06); }
.vf .track .c { position: absolute; width: 5px; height: 5px; border: 1.5px solid var(--lime); }
.vf .track .c.tl { top: -1px; left: -1px; border-right: 0; border-bottom: 0; }
.vf .track .c.tr { top: -1px; right: -1px; border-left: 0; border-bottom: 0; }
.vf .track .c.bl { bottom: -1px; left: -1px; border-right: 0; border-top: 0; }
.vf .track .c.br { bottom: -1px; right: -1px; border-left: 0; border-top: 0; }
.vf .track .shape { position: absolute; left: 12%; top: 8%; width: 76%; height: 84%; fill: var(--lime); opacity: 0.4; }
.vf .track .tag { position: absolute; top: -15px; left: -1px; font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.03em; color: #0A0B0D; background: var(--lime); padding: 1.5px 4px; border-radius: 3px; white-space: nowrap; }
.vf .track .box, .vf .track .c, .vf .track .shape, .vf .track .tag { transition: border-color 0.18s var(--ease), background 0.18s var(--ease), fill 0.18s var(--ease), color 0.18s var(--ease); }
.vf .track.match .box { border-color: var(--rec); background: rgba(255,82,71,0.18); box-shadow: 0 0 0 1px var(--rec); }
.vf .track.match .c { border-color: var(--rec); }
.vf .track.match .shape { fill: var(--rec); opacity: 0.6; }
.vf .track.match .tag { background: var(--rec); color: #fff; }
.vf .track.person { width: 30px; height: 60px; left: 30%; top: 50%; animation: vgWalk1 15s linear infinite; }
.vf .track.person.p2 { left: 62%; top: 60%; animation: vgWalk2 19s linear infinite; }
.vf .track.vehicle { width: 72px; height: 38px; left: 40%; top: 68%; animation: vgDrive 10.5s linear infinite; }
@keyframes vgWalk1 { 0% { left: -9%; top: 52%; } 100% { left: 103%; top: 43%; } }
@keyframes vgWalk2 { 0% { left: 104%; top: 60%; } 50% { left: 44%; top: 65%; } 100% { left: -10%; top: 61%; } }
@keyframes vgDrive { 0% { left: 104%; top: 69%; } 100% { left: -24%; top: 72%; } }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.25; } }

/* ---------- standards marquee ---------- */
.standards { border-top: 1px solid var(--hairline); border-bottom: 1px solid var(--hairline); background: var(--carbon-2); overflow: hidden; }
.marquee { display: flex; gap: 0; padding: 22px 0; white-space: nowrap; will-change: transform; animation: slide 32s linear infinite; }
.marquee:hover { animation-play-state: paused; }
.marquee .item { display: inline-flex; align-items: center; gap: 12px; padding: 0 38px; font-family: var(--font-mono); font-size: 13px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--mute); }
.marquee .item i { color: var(--lime); font-size: 16px; }
@keyframes slide { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .marquee { animation: none; flex-wrap: wrap; white-space: normal; justify-content: center; gap: 10px 0; } }

/* ---------- services bento ---------- */
.bento { display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; }
.cell { position: relative; border: 1px solid var(--hairline); border-radius: var(--r-surface); background: var(--carbon); padding: 30px; overflow: hidden; transition: transform 0.22s var(--ease), border-color 0.22s var(--ease); display: flex; flex-direction: column; min-height: 230px; }
.cell:hover { transform: translateY(-3px); border-color: var(--hairline-2); }
.cell .ic { width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center; background: rgba(201,242,74,0.10); border: 1px solid rgba(201,242,74,0.22); color: var(--lime); font-size: 23px; margin-bottom: auto; }
.cell h3 { font-size: 1.4rem; margin-top: 22px; }
.cell p { color: var(--mute); margin-top: 10px; font-size: 0.97rem; }
.cell .tags { margin-top: 16px; display: flex; flex-wrap: wrap; gap: 7px; }
.cell .tags span { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.06em; color: var(--faint); border: 1px solid var(--hairline); padding: 3px 9px; border-radius: 999px; }
.cell.feature { grid-column: span 4; }
.cell.span2 { grid-column: span 2; }
.cell.feature { min-height: 340px; padding: 0; }
.cell.feature .media { position: absolute; inset: 0; }
.cell.feature img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(1) brightness(0.5) contrast(1.05); }
.cell.feature .scrim { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(12,13,16,0.25), rgba(12,13,16,0.9)); }
.cell.feature .inner { position: relative; margin-top: auto; padding: 32px; }
.cell.feature .inner { display: flex; flex-direction: column; }
.cell.tint { background: linear-gradient(150deg, rgba(201,242,74,0.10), rgba(18,20,25,0.4)); }
.cell.tint .ic { background: rgba(201,242,74,0.16); }
.cell.wide { grid-column: span 6; flex-direction: row; align-items: center; gap: 30px; min-height: 0; }
.cell.wide .ic { margin-bottom: 0; }
.cell.wide .wide-copy { flex: 1; }
.cell.wide .wide-copy p { margin-top: 6px; }
.cell.wide .tags { margin-top: 0; }
.cell .media { position: absolute; inset: 0; z-index: 0; }
.cell .media img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(1) brightness(0.42) contrast(1.05); transition: filter 0.5s var(--ease); }
.cell:hover .media img { filter: grayscale(1) brightness(0.56) contrast(1.05); }
.cell .scrim { position: absolute; inset: 0; z-index: 0; background: linear-gradient(180deg, rgba(12,13,16,0.40), rgba(12,13,16,0.92)); }
.cell > .ic, .cell > h3, .cell > p, .cell > .tags, .cell > .wide-copy { position: relative; z-index: 1; }

/* ---------- process ---------- */
.process .steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-top: 1px solid var(--hairline); }
.step { padding: 32px 28px 32px 0; position: relative; }
.step + .step { padding-left: 28px; border-left: 1px solid var(--hairline); }
.step .n { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.1em; color: var(--lime); }
.step h3 { font-size: 1.5rem; margin-top: 18px; }
.step p { color: var(--mute); margin-top: 10px; font-size: 0.95rem; }
.step .bar { position: absolute; top: -1px; left: 0; height: 2px; width: 42px; background: var(--lime); }

/* ---------- sectors ---------- */
.sectors-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.sector figure { border-radius: var(--r-surface); overflow: hidden; aspect-ratio: 4 / 3; background: var(--carbon); position: relative; }
.sector img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(1) brightness(0.62) contrast(1.05); transition: transform 0.5s var(--ease), filter 0.5s var(--ease); }
.sector:hover img { transform: scale(1.05); filter: grayscale(1) brightness(0.72) contrast(1.05); }
.sector figure::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 40%, rgba(12,13,16,0.6)); }
.sector .cap { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-top: 14px; }
.sector .cap h3 { font-size: 1.12rem; font-family: var(--font-display); font-weight: 500; }
.sector .cap span { font-family: var(--font-mono); font-size: 11px; color: var(--faint); letter-spacing: 0.06em; }

/* ---------- why ---------- */
.why .wrap { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: clamp(40px, 6vw, 90px); align-items: start; }
.why h2 { font-size: clamp(2.1rem, 4.4vw, 3.4rem); }
.why h2 em { font-style: italic; color: var(--lime); }
.why .lead { color: var(--mute); margin-top: 22px; font-size: 1.08rem; max-width: 44ch; }
.creds { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--hairline); border: 1px solid var(--hairline); border-radius: var(--r-surface); overflow: hidden; }
.cred { background: var(--graphite); padding: 26px 24px; }
.cred i { color: var(--lime); font-size: 26px; }
.cred h3 { font-size: 1.05rem; margin-top: 16px; font-family: var(--font-display); font-weight: 500; letter-spacing: 0; }
.cred p { color: var(--mute); font-size: 0.9rem; margin-top: 7px; }

/* ---------- testimonial ---------- */
.quote { border-top: 1px solid var(--hairline); border-bottom: 1px solid var(--hairline); }
.quote .wrap { max-width: 960px; text-align: center; }
.quote blockquote { font-family: var(--font-display); font-weight: 500; font-size: clamp(1.5rem, 3.2vw, 2.4rem); line-height: 1.28; letter-spacing: -0.01em; }
.quote .by { margin-top: 30px; font-family: var(--font-mono); font-size: 12.5px; letter-spacing: 0.06em; color: var(--mute); }
.quote .by b { color: var(--bone); font-weight: 500; }

/* ---------- cta ---------- */
.cta .panel { border: 1px solid var(--hairline); border-radius: 20px; background: linear-gradient(160deg, var(--carbon), var(--carbon-2)); padding: clamp(32px, 5vw, 60px); display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 5vw, 64px); align-items: center; }
.cta h2 { font-size: clamp(2rem, 4vw, 3.1rem); }
.cta p { color: var(--mute); margin-top: 18px; max-width: 40ch; }
.cta .contact { margin-top: 28px; display: flex; flex-direction: column; gap: 12px; }
.cta .contact a { display: inline-flex; align-items: center; gap: 11px; color: var(--bone); font-size: 0.98rem; }
.cta .contact a i { color: var(--lime); font-size: 19px; }
.cta .contact a:hover { color: var(--lime); }

form .row { display: grid; gap: 7px; margin-bottom: 16px; }
form .two { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
form label { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--mute); }
form input, form select, form textarea {
  background: var(--graphite); border: 1px solid var(--hairline-2); border-radius: var(--r-input);
  color: var(--bone); font-family: var(--font-body); font-size: 0.96rem; padding: 12px 13px; width: 100%;
  transition: border-color 0.16s var(--ease);
}
form input::placeholder, form textarea::placeholder { color: var(--faint); }
form input:focus, form select:focus, form textarea:focus { outline: none; border-color: var(--lime); }
form textarea { resize: vertical; min-height: 96px; }
form .btn-primary { width: 100%; justify-content: center; margin-top: 6px; }
form .ok { display: none; align-items: center; gap: 10px; color: var(--lime); font-family: var(--font-mono); font-size: 13px; margin-top: 14px; }
form .ok.show { display: flex; }
form .err { color: var(--rec); font-family: var(--font-mono); font-size: 11px; display: none; }
form .row.invalid .err { display: block; }
form .row.invalid input, form .row.invalid textarea { border-color: var(--rec); }

/* ---------- footer ---------- */
.footer { border-top: 1px solid var(--hairline); background: var(--carbon-2); padding: clamp(56px, 7vw, 90px) 0 30px; }
.footer .top { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; }
.footer .col h4 { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--faint); margin-bottom: 18px; }
.footer .col a { display: block; color: var(--mute); font-size: 0.94rem; padding: 5px 0; }
.footer .col a:hover { color: var(--lime); }
.footer .about p { color: var(--mute); font-size: 0.95rem; margin-top: 18px; max-width: 34ch; }
.footer .bottom { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin-top: 56px; padding-top: 24px; border-top: 1px solid var(--hairline); flex-wrap: wrap; }
.footer .bottom span, .footer .bottom a { font-family: var(--font-mono); font-size: 11.5px; color: var(--faint); letter-spacing: 0.04em; }
.footer .socials { display: flex; gap: 10px; }
.footer .socials a { width: 38px; height: 38px; border: 1px solid var(--hairline-2); border-radius: 10px; display: grid; place-items: center; color: var(--mute); font-size: 18px; }
.footer .socials a:hover { color: var(--lime); border-color: var(--lime); }

/* ---------- reveal ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .vf .chip .rec, .vf .sweep, .vf .track { animation: none; }
}

/* ---------- responsive ---------- */
@media (max-width: 960px) {
  .hero .wrap { grid-template-columns: 1fr; }
  .hero-visual { order: -1; max-width: 460px; }
  .why .wrap { grid-template-columns: 1fr; }
  .cta .panel { grid-template-columns: 1fr; }
  .footer .top { grid-template-columns: 1fr 1fr; gap: 32px; }
  .cell.feature, .cell.span2 { grid-column: span 3; }
  .process .steps { grid-template-columns: 1fr 1fr; }
  .step, .step + .step { border-left: 0; padding-left: 0; padding-right: 0; border-top: 1px solid var(--hairline); }
  .step:first-child { border-top: 0; }
}
@media (max-width: 720px) {
  .nav-links, .nav-actions .btn { display: none; }
  .nav-toggle { display: grid; place-items: center; }
  .nav.open { height: auto; }
  .nav.open .wrap { flex-direction: column; align-items: stretch; padding-top: 16px; padding-bottom: 20px; }
  .nav.open .nav-links { display: flex; flex-direction: column; gap: 4px; margin-top: 10px; }
  .nav.open .nav-links a { padding: 10px 0; border-top: 1px solid var(--hairline); }
  .nav.open .nav-actions .btn { display: inline-flex; margin-top: 12px; justify-content: center; }
  .bento { grid-template-columns: 1fr; }
  .cell.feature, .cell.span2, .cell.wide { grid-column: span 1; }
  .cell.wide { flex-direction: column; align-items: flex-start; gap: 16px; }
  .sectors-grid { grid-template-columns: 1fr 1fr; }
  .creds { grid-template-columns: 1fr; }
  .process .steps { grid-template-columns: 1fr; }
  .form .two { grid-template-columns: 1fr; }
  .footer .top { grid-template-columns: 1fr; }
  .hero-meta { gap: 22px; }
}
@media (max-width: 540px) {
  .section { padding: 56px 0; }
  .hero { padding-top: 28px; }
  .hero h1 { font-size: clamp(2.4rem, 12vw, 3rem); }
  .hero p.sub { font-size: 1.02rem; }
  .hero-cta { flex-direction: column; align-items: stretch; }
  .hero-cta .btn { width: 100%; justify-content: center; }
  .hero-visual { max-width: 340px; }
  .hero-meta { gap: 14px 20px; }
  .hero-meta .k { font-size: 1.3rem; }
  .sectors-grid { grid-template-columns: 1fr; }
  .cell { padding: 24px; min-height: 200px; }
  .quote blockquote { font-size: 1.3rem; }
  .vf .target .tlabel { font-size: 9px; top: -16px; }
  .standards .marquee .item { padding: 0 24px; font-size: 12px; }
}