/* ============================================================
   AMP Consulting — site styles
   One page, three switchable directions: Foam · Ink · Studio
   ============================================================ */

/* ---- Reset ------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; }
body { -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
ul { list-style: none; padding: 0; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

/* ============================================================
   TOKENS — base (shared)
   ============================================================ */
:root {
  --maxw: 1200px;
  --gutter: clamp(20px, 5vw, 64px);

  --font-display: 'Jost', system-ui, sans-serif;
  --font-body: 'Hanken Grotesk', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;

  /* seafoam scale (brand #A8D8B9 ≈ foam-200) */
  --foam-50:  oklch(0.975 0.018 156);
  --foam-100: oklch(0.945 0.034 156);
  --foam-200: oklch(0.872 0.060 155);   /* brand seafoam */
  --foam-300: oklch(0.800 0.078 156);
  --foam-400: oklch(0.700 0.094 157);
  --foam-500: oklch(0.610 0.100 158);
  --foam-600: oklch(0.520 0.092 159);
  --foam-700: oklch(0.440 0.078 160);
  --foam-800: oklch(0.340 0.058 162);
  --foam-900: oklch(0.255 0.040 164);

  --ink-900: oklch(0.205 0.012 220);
  --ink-800: oklch(0.255 0.014 220);
  --paper:   oklch(0.985 0.004 150);

  --r-pill: 999px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);

  /* tweakable hue offset (degrees) applied to accents via @property fallback */
  --accent-hue: 158;
}

/* ============================================================
   THEME: FOAM — brand-led, airy, boutique
   ============================================================ */
[data-theme="foam"] {
  --bg:        oklch(0.987 0.005 110);      /* warm paper */
  --bg-alt:    oklch(0.962 0.014 150);      /* faint foam tint */
  --surface:   #ffffff;
  --text:      oklch(0.255 0.012 200);
  --text-2:    oklch(0.430 0.012 200);
  --text-3:    oklch(0.560 0.012 200);
  --rule:      oklch(0.905 0.012 150);
  --rule-2:    oklch(0.845 0.020 150);

  --accent:        var(--foam-600);
  --accent-h:      var(--foam-700);
  --accent-soft:   var(--foam-200);
  --accent-tint:   var(--foam-50);
  --accent-bright: var(--foam-300);
  --on-accent:     #ffffff;

  --hero-bg:    var(--bg-alt);
  --hero-text:  var(--text);
  --hero-eyebrow: var(--accent);
  --cta-bg:     var(--foam-800);
  --cta-text:   oklch(0.97 0.02 150);
  --cta-accent: var(--foam-200);

  --radius:   14px;
  --radius-s: 9px;
  --shadow:   0 1px 2px rgba(40,60,50,.04), 0 8px 28px rgba(40,60,50,.05);
  --shadow-h: 0 2px 6px rgba(40,60,50,.06), 0 18px 48px rgba(40,60,50,.10);

  --label-font: var(--font-display);
  --label-weight: 500;
  --label-spacing: 0.32em;
  --label-transform: uppercase;
  --label-size: 12.5px;

  --display-weight: 300;
  --display-spacing: -0.018em;
  --section-pad: clamp(80px, 11vw, 168px);
}

/* ============================================================
   BASE ELEMENTS
   ============================================================ */
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  font-size: 17px;
  line-height: 1.6;
  letter-spacing: -0.003em;
  overflow-x: hidden;
}

.wrap { max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }
.wrap-narrow { max-width: 940px; margin-inline: auto; padding-inline: var(--gutter); }

section { position: relative; }
.pad { padding-block: var(--section-pad); }

/* Display / headings */
h1, h2, h3 { font-family: var(--font-display); font-weight: var(--display-weight); letter-spacing: var(--display-spacing); line-height: 1.04; }

.display-xl {
  font-size: clamp(44px, 6.8vw, 84px);
  line-height: 1.0;
}
.display-l { font-size: clamp(34px, 5vw, 60px); line-height: 1.02; }
.display-m { font-size: clamp(26px, 3.2vw, 40px); line-height: 1.08; }

/* Eyebrow / label */
.label {
  font-family: var(--label-font);
  font-weight: var(--label-weight);
  letter-spacing: var(--label-spacing);
  text-transform: var(--label-transform);
  font-size: var(--label-size);
  color: var(--text-3);
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
}
.label--accent { color: var(--accent); }
.label::before {
  content: "";
  display: none;
  width: 22px; height: 1px;
  background: currentColor;
  opacity: .55;
}
.label--notick::before { display: none; }

.lede { font-size: clamp(18px, 2vw, 22px); line-height: 1.55; color: var(--text-2); }
.muted { color: var(--text-2); }
.dim { color: var(--text-3); }

/* ---- Buttons ---------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; gap: 0.55em;
  font-family: var(--font-body);
  font-weight: 600; font-size: 15px; letter-spacing: -0.01em;
  padding: 13px 22px;
  border-radius: var(--radius-s);
  transition: all .22s var(--ease);
  white-space: nowrap;
}
.btn .arrow { transition: transform .25s var(--ease); }
.btn:hover .arrow { transform: translateX(4px); }

.btn-primary { background: var(--accent); color: var(--on-accent); }
.btn-primary:hover { background: var(--accent-h); transform: translateY(-2px); box-shadow: var(--shadow-h); }

.btn-ghost { background: transparent; color: var(--text); border: 1px solid var(--rule-2); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

.btn-on-dark { background: var(--cta-accent); color: var(--ink-900); }
.btn-on-dark:hover { transform: translateY(-2px); filter: brightness(1.05); }
.btn-on-dark-ghost { background: transparent; color: var(--hero-text); border: 1px solid color-mix(in oklch, var(--hero-text) 28%, transparent); }
.btn-on-dark-ghost:hover { border-color: var(--hero-text); }

.linkarrow { display:inline-flex; align-items:center; gap:.5em; font-weight:600; font-size:15px; color: var(--accent); }
.linkarrow .arrow { transition: transform .25s var(--ease); }
.linkarrow:hover .arrow { transform: translateX(4px); }

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: sticky; top: 0; z-index: 60;
  background: color-mix(in oklch, var(--bg) 82%, transparent);
  backdrop-filter: blur(14px) saturate(1.4);
  border-bottom: 1px solid transparent;
  transition: border-color .3s, background .5s var(--ease);
}
.site-header.scrolled { border-bottom-color: var(--rule); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 24px; }
.brand { display: flex; align-items: center; gap: 11px; color: var(--text); }
.brand svg { height: 26px; width: auto; color: var(--text); }
.wordmark { font-family: var(--font-body); font-weight: 700; font-size: 19px; line-height: 1; letter-spacing: -0.022em; color: var(--text); display: inline-flex; align-items: baseline; gap: 0.34em; }
.wordmark .wm-light { font-weight: 400; color: var(--text-2); }
.wordmark--lg { font-size: 25px; margin-bottom: 20px; }
.brand .brand-sub { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .22em; text-transform: uppercase; color: var(--text-3); padding-left: 12px; border-left: 1px solid var(--rule-2); }

.nav { display: flex; align-items: center; gap: 34px; }
.nav a { font-size: 14.5px; font-weight: 500; color: var(--text-2); transition: color .18s; position: relative; }
.nav a:hover { color: var(--text); }
.header-cta { display: flex; align-items: center; gap: 14px; }

.menu-btn { display: none; }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  background: var(--hero-bg);
  color: var(--hero-text);
  padding-top: clamp(64px, 9vw, 128px);
  padding-bottom: clamp(56px, 7vw, 104px);
  position: relative;
  overflow: hidden;
}
.hero-eyebrow { color: var(--hero-eyebrow); margin-bottom: 30px; }
.hero h1 { color: var(--hero-text); max-width: 16ch; text-wrap: balance; }
.hero h1 .acc { color: var(--foam-600); }
.hero-sub { max-width: 52ch; margin-top: 30px; color: color-mix(in oklch, var(--hero-text) 70%, transparent); font-size: clamp(18px,2vw,22px); line-height: 1.55; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 40px; }

/* hero ambient decoration */
.hero-glow { position: absolute; inset: 0; pointer-events: none; z-index: 0; }
.hero .wrap { position: relative; z-index: 1; }
[data-theme="foam"] .hero-glow {
  background: radial-gradient(ellipse 60% 70% at 90% 6%, color-mix(in oklch, var(--foam-200) 40%, transparent) 0%, transparent 58%);
}

/* hero stats */
.hero-stats {
  margin-top: clamp(54px, 7vw, 86px);
  padding-top: 30px;
  border-top: 1px solid color-mix(in oklch, var(--hero-text) 14%, transparent);
}
.hero-stats-label {
  margin-bottom: 26px;
  color: color-mix(in oklch, var(--hero-text) 68%, transparent);
}
.hero-stats-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: clamp(20px, 3vw, 46px);
}
.stat .promise { font-family: var(--font-display); font-weight: 500; font-size: clamp(20px, 2.1vw, 27px); letter-spacing: -0.018em; color: var(--hero-text); line-height: 1.13; min-height: 2.26em; }
.stat .promise .acc { color: var(--foam-600); }
.hero-credit { margin-top: clamp(30px, 3.4vw, 44px); padding-top: 22px; border-top: 1px solid color-mix(in oklch, var(--hero-text) 10%, transparent); font-family: var(--font-mono); font-size: 12.5px; letter-spacing: .04em; line-height: 1.65; color: color-mix(in oklch, var(--hero-text) 74%, transparent); }
.hero-credit b { color: color-mix(in oklch, var(--hero-text) 78%, transparent); font-weight: 500; }
.stat .num { font-family: var(--font-display); font-weight: var(--display-weight); font-size: clamp(28px, 3.4vw, 44px); letter-spacing: -0.02em; color: var(--hero-text); line-height: 1; }
.stat .num .unit { color: var(--accent); }
[data-theme="foam"] .stat .num .unit { color: var(--foam-600); }
.stat .cap { margin-top: 12px; font-size: 13.5px; line-height: 1.47; color: color-mix(in oklch, var(--hero-text) 76%, transparent); }

/* ============================================================
   STACK STRIP (marquee of tech)
   ============================================================ */
.stack {
  border-block: 1px solid var(--rule);
  background: var(--bg);
  padding-block: 28px;
  overflow: hidden;
}
.stack-row { display: flex; align-items: center; gap: 14px; }
.stack-label { flex-shrink: 0; }
.marquee { overflow: hidden; flex: 1; -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.marquee-track { display: flex; gap: 16px; width: max-content; animation: scrollx 38s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.chip { font-family: var(--font-mono); font-size: 14px; color: var(--text-2); white-space: nowrap; display: inline-flex; align-items: center; gap: 16px; }
.chip::after { content: "/"; color: var(--accent); opacity: .5; }
@keyframes scrollx { to { transform: translateX(-50%); } }

/* ============================================================
   SECTION HEADER
   ============================================================ */
.sec-head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: clamp(40px, 5vw, 64px); }
.sec-head .left { max-width: 40rem; }
.sec-head h2 { margin-top: 18px; text-wrap: balance; }
.sec-head .sec-sub { margin-top: 18px; max-width: 48ch; color: var(--text-2); font-size: clamp(16px, 1.6vw, 18px); line-height: 1.6; }

/* ============================================================
   SERVICES GRID
   ============================================================ */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--rule); border: 1px solid var(--rule); border-radius: var(--radius); overflow: hidden; }
.svc {
  background: var(--surface);
  padding: clamp(26px, 2.6vw, 40px);
  display: flex; flex-direction: column;
  min-height: 246px;
  transition: background .25s var(--ease);
  position: relative;
}
.svc:hover { background: var(--accent-tint); }
.svc-num { font-family: var(--font-mono); font-size: 12px; color: var(--text-3); letter-spacing: .1em; }
.svc-icon { width: 40px; height: 40px; margin: 22px 0 20px; color: var(--accent); }
.svc-icon svg { width: 100%; height: 100%; stroke: currentColor; fill: none; stroke-width: 1.5; }
.svc h3 { font-size: 21px; line-height: 1.15; margin-bottom: 11px; }
.svc p { font-size: 15px; line-height: 1.55; color: var(--text-2); flex: 1; }

/* ============================================================
   WHY / FULL-STACK BAND
   ============================================================ */
.why { background: var(--bg-alt); border-block: 1px solid var(--rule); }
.why-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(40px, 6vw, 96px); align-items: center; }
.why-points { display: flex; flex-direction: column; }
.why-point { display: grid; grid-template-columns: auto 1fr; gap: 20px; padding: 24px 0; border-top: 1px solid var(--rule-2); }
.why-point:last-child { border-bottom: 1px solid var(--rule-2); }
.why-point .pn { font-family: var(--font-mono); font-size: 12px; color: var(--accent); padding-top: 4px; }
.why-point h4 { font-family: var(--font-display); font-weight: 500; font-size: 19px; letter-spacing: -0.01em; margin-bottom: 7px; }
.why-point p { font-size: 14.5px; color: var(--text-2); line-height: 1.55; }

/* ============================================================
   CASE STUDIES
   ============================================================ */
.cases { display: flex; flex-direction: column; gap: 1px; background: var(--rule); border: 1px solid var(--rule); border-radius: var(--radius); overflow: hidden; }
.case {
  background: var(--surface);
  display: grid; grid-template-columns: 0.42fr 1fr 0.5fr; gap: clamp(20px,3vw,56px);
  padding: clamp(28px, 3vw, 44px);
  align-items: start;
  transition: background .25s var(--ease);
}
.case:hover { background: var(--accent-tint); }
.case-ind { font-family: var(--font-mono); font-size: 12px; letter-spacing: .06em; text-transform: uppercase; color: var(--text-3); }
.case-ind .tag { color: var(--accent); display: block; margin-top: 14px; font-size: 11.5px; }
.case h3 { font-size: clamp(20px, 2.2vw, 27px); line-height: 1.1; margin-bottom: 14px; }
.case p { font-size: 15px; color: var(--text-2); line-height: 1.6; }
.case-result { border-left: 2px solid var(--accent); padding-left: 18px; }
.case-result .rl { font-family: var(--font-mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--text-3); margin-bottom: 9px; }
.case-result .rt { font-family: var(--font-display); font-weight: 500; font-size: 17px; line-height: 1.25; color: var(--text); letter-spacing: -0.01em; }

/* ============================================================
   PROCESS
   ============================================================ */
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(20px, 2.5vw, 36px); }
.step { position: relative; padding-top: 28px; border-top: 2px solid var(--rule-2); }
.step .sn { font-family: var(--font-mono); font-size: 12px; color: var(--accent); letter-spacing: .1em; position: absolute; top: -1px; left: 0; padding-top: 12px; }
.step h4 { font-family: var(--font-display); font-weight: 500; font-size: 21px; letter-spacing: -0.01em; margin: 8px 0 12px; }
.step p { font-size: 14.5px; color: var(--text-2); line-height: 1.55; }

/* ============================================================
   CTA BANNER
   ============================================================ */
.cta { background: var(--cta-bg); color: var(--cta-text); position: relative; overflow: hidden; }
.cta-inner { display: grid; grid-template-columns: 1.02fr 0.98fr; gap: clamp(40px, 6vw, 84px); align-items: start; }
.cta h2 { color: var(--cta-text); max-width: 18ch; }
.cta h2 .acc { color: var(--cta-accent); }
.cta p { margin-top: 18px; max-width: 46ch; color: color-mix(in oklch, var(--cta-text) 72%, transparent); font-size: 18px; }
.cta-glow { position:absolute; inset:0; pointer-events:none; background: radial-gradient(ellipse 50% 80% at 95% 50%, color-mix(in oklch, var(--cta-accent) 14%, transparent), transparent 60%); }

/* Contact form (lives on the dark CTA band) */
.cta-copy { padding-top: 4px; }
.cta-aside { margin-top: 32px; display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.cta-aside-label { font-family: var(--font-mono); font-size: 12px; letter-spacing: .04em; color: color-mix(in oklch, var(--cta-text) 74%, transparent); }
.cta-aside a { color: var(--cta-accent); font-weight: 600; font-size: 15.5px; border-bottom: 1px solid color-mix(in oklch, var(--cta-accent) 40%, transparent); padding-bottom: 1px; transition: border-color .18s; }
.cta-aside a:hover { border-color: var(--cta-accent); }
.cta-aside--alt { margin-top: 11px; }
.cta-aside .ext { font-size: 12.5px; opacity: .8; }

/* Who you're talking to - folded into the CTA */
.cta-person { margin-top: 34px; padding-top: 28px; border-top: 1px solid color-mix(in oklch, var(--cta-text) 16%, transparent); display: grid; grid-template-columns: 112px 1fr; gap: 22px; align-items: start; }
.person-photo { width: 112px; height: 112px; border-radius: 50%; overflow: hidden; background: color-mix(in oklch, var(--cta-text) 9%, transparent); }
.cta .person-name { font-family: var(--font-display); font-size: 19px; font-weight: 500; letter-spacing: .005em; color: var(--cta-text); margin: 0 0 7px; max-width: none; display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.person-role { font-family: var(--font-mono); font-size: 11px; font-weight: 400; letter-spacing: .07em; text-transform: uppercase; color: var(--cta-accent); }
.cta .person-bio { font-size: 14.5px; line-height: 1.62; color: color-mix(in oklch, var(--cta-text) 74%, transparent); margin: 0; max-width: 44ch; text-wrap: pretty; }
@media (max-width: 680px) {
  .cta-person { gap: 18px; margin-top: 28px; padding-top: 24px; }
}

.contact-form { display: flex; flex-direction: column; gap: 15px; }
.cf-row { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }
.field { display: flex; flex-direction: column; gap: 7px; min-width: 0; }
.field label { font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .03em; color: color-mix(in oklch, var(--cta-text) 70%, transparent); }
.field label .opt { opacity: .6; }
.contact-form input, .contact-form select, .contact-form textarea {
  font-family: var(--font-body); font-size: 15px; color: var(--cta-text);
  background: color-mix(in oklch, var(--cta-text) 7%, transparent);
  border: 1px solid color-mix(in oklch, var(--cta-text) 20%, transparent);
  border-radius: var(--radius-s); padding: 12px 14px; width: 100%;
  -webkit-appearance: none; appearance: none;
  transition: border-color .18s ease, background .18s ease;
}
.contact-form textarea { resize: vertical; min-height: 104px; line-height: 1.5; }
.contact-form input::placeholder, .contact-form textarea::placeholder { color: color-mix(in oklch, var(--cta-text) 42%, transparent); }
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus {
  outline: none; border-color: var(--cta-accent);
  background: color-mix(in oklch, var(--cta-text) 11%, transparent);
}
.select-wrap { position: relative; }
.select-chev { position: absolute; right: 14px; top: 50%; transform: translateY(-50%); pointer-events: none; font-size: 11px; color: color-mix(in oklch, var(--cta-text) 58%, transparent); }
.contact-form select { cursor: pointer; padding-right: 36px; }
.contact-form select option { color: #16191c; background: #fff; }
.cf-submit { margin-top: 4px; align-self: flex-start; }
.cf-error { color: oklch(0.82 0.13 28); font-size: 13.5px; margin-top: -2px; }
.cf-success[hidden] { display: none; }
.cf-success { display: flex; flex-direction: column; align-items: flex-start; gap: 14px; padding: 18px 0; max-width: 38ch; }
.cf-check { width: 46px; height: 46px; border-radius: 50%; background: var(--cta-accent); color: var(--ink-900); display: grid; place-items: center; font-size: 22px; font-weight: 700; }
.cf-success h3 { font-family: var(--font-display); font-weight: 500; font-size: 25px; letter-spacing: -0.01em; color: var(--cta-text); }
.cf-success p { color: color-mix(in oklch, var(--cta-text) 72%, transparent); font-size: 15px; line-height: 1.6; }
.cf-success a { color: var(--cta-accent); border-bottom: 1px solid color-mix(in oklch, var(--cta-accent) 40%, transparent); }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer { background: var(--bg); border-top: 1px solid var(--rule); padding-block: clamp(56px, 6vw, 88px) 40px; }
.foot-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; }
.foot-brand svg { height: 30px; color: var(--text); margin-bottom: 20px; }
.foot-brand p { font-size: 14.5px; color: var(--text-2); max-width: 32ch; line-height: 1.6; }
.foot-col h5 { font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--text-3); margin-bottom: 16px; }
.foot-col a { display: block; font-size: 14.5px; color: var(--text-2); padding: 5px 0; transition: color .18s; }
.foot-col a:hover { color: var(--accent); }
.foot-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; margin-top: clamp(48px,5vw,72px); padding-top: 26px; border-top: 1px solid var(--rule); font-size: 13px; color: var(--text-3); font-family: var(--font-mono); letter-spacing: .03em; }

/* ============================================================
   REVEAL
   ============================================================ */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal-snap .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
.reveal[data-d="1"] { transition-delay: .07s; }
.reveal[data-d="2"] { transition-delay: .14s; }
.reveal[data-d="3"] { transition-delay: .21s; }
.reveal[data-d="4"] { transition-delay: .28s; }
.reveal[data-d="5"] { transition-delay: .35s; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .marquee-track { animation: none; }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 980px) {
  .why-grid { grid-template-columns: 1fr; gap: 44px; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(2, 1fr); gap: 36px 28px; }
  .case { grid-template-columns: 1fr; gap: 18px; }
  .case-result { border-left: none; border-top: 2px solid var(--accent); padding-left: 0; padding-top: 16px; }
  .foot-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .foot-brand { grid-column: 1 / -1; }
  .cta-inner { grid-template-columns: 1fr; gap: 40px; }
}
@media (max-width: 680px) {
  .nav, .header-cta .btn { display: none; }
  .menu-btn { display: inline-flex; }
  .hero-stats-grid { grid-template-columns: 1fr; gap: 18px; }
  .stat .promise { min-height: 0; font-size: 20px; }
  .stat .cap { display: none; }
  .services-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .brand .brand-sub { display: none; }
  .cf-row { grid-template-columns: 1fr; }
}

/* variant B: quiet platform credential under the strip */
.stack-credit { margin-top: 15px; display: flex; flex-wrap: wrap; gap: 10px; align-items: baseline; font-family: var(--font-mono); font-size: 12px; letter-spacing: .05em; color: var(--text-2); }
.stack-credit span { font-size: 10.5px; letter-spacing: .18em; text-transform: uppercase; color: var(--text-3); }

.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.person-photo img { width: 100%; height: 100%; object-fit: cover; display: block; }