/* =========================================================================
   Nuvrix — boutique AWS engineering firm
   Design system + page styles. Vanilla CSS, no framework.
   ========================================================================= */

/* ----- Tokens ----------------------------------------------------------- */
:root {
  /* Surfaces */
  --bg:        #07080F;   /* near-black, slightly cool */
  --bg-raise:  #0B0D17;   /* lifted panel */
  --bg-warm:   #100E12;   /* warmer panel — Ansa gear-shift */
  --bg-warm-2: #16131A;

  /* Ink */
  --ink:       #EDE8DF;   /* warm off-white */
  --ink-soft:  #B7B2A8;   /* secondary text */
  --ink-dim:   #797568;   /* tertiary / captions */
  --ink-faint: #4A4840;

  /* Lines */
  --line:      rgba(237, 232, 223, 0.12);
  --line-soft: rgba(237, 232, 223, 0.07);
  --line-warm: rgba(237, 232, 223, 0.10);

  /* Accents */
  --teal:      #2DD4C4;   /* secondary accent — turquoise */
  --teal-dim:  rgba(45, 212, 196, 0.16);
  --orange:    #FF9900;   /* AWS ONLY — never decorative */

  /* Type */
  --sans: "Archivo", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;

  /* Rhythm */
  --container: 1240px;
  --gutter: clamp(20px, 5vw, 64px);
  --section-y: clamp(88px, 13vw, 184px);

  --r-sm: 6px;
  --r-md: 12px;
  --r-lg: 20px;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ----- Reset ------------------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 18px;
  line-height: 1.62;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; border: none; background: none; }
input, textarea { font: inherit; color: inherit; }
::selection { background: var(--teal); color: #04201E; }

/* ----- Helpers ---------------------------------------------------------- */
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }
.skip-link {
  position: absolute; left: 16px; top: -60px; z-index: 200;
  background: var(--ink); color: var(--bg); padding: 10px 16px; border-radius: var(--r-sm);
  font-family: var(--mono); font-size: 13px; transition: top 0.2s var(--ease);
}
.skip-link:focus { top: 16px; }

.eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--teal);
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.eyebrow::before {
  content: "";
  width: 22px; height: 1px;
  background: var(--teal);
  display: inline-block;
}

.mono-tag {
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--ink-dim);
}

/* Focus visibility */
:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 3px;
  border-radius: 2px;
}

/* Reveal-on-scroll */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
}
.reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; }
}

/* =========================================================================
   NAV
   ========================================================================= */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  transition: background 0.4s var(--ease), border-color 0.4s var(--ease), backdrop-filter 0.4s var(--ease);
  border-bottom: 1px solid transparent;
}
.nav.is-stuck {
  background: rgba(7, 8, 15, 0.72);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom-color: var(--line-soft);
}
.nav__inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 78px;
}
.brand { display: inline-flex; align-items: center; gap: 12px; }
.brand__mark {
  width: 22px; height: 22px;
  position: relative;
  transform: rotate(45deg);
  border: 1.5px solid var(--ink);
}
.brand__mark::after {
  content: ""; position: absolute; inset: 4px;
  background: var(--teal);
}
.brand__name {
  font-weight: 800; font-size: 20px; letter-spacing: -0.02em;
}
.nav__links { display: flex; align-items: center; gap: 4px; }
.nav__link {
  position: relative;
  padding: 10px 16px;
  font-size: 15px; font-weight: 500;
  color: var(--ink-soft);
  border-radius: var(--r-sm);
  transition: color 0.2s var(--ease);
}
.nav__link:hover { color: var(--ink); }
.nav__link::after {
  content: ""; position: absolute; left: 16px; right: 16px; bottom: 4px; height: 1px;
  background: var(--teal); transform: scaleX(0); transform-origin: left;
  transition: transform 0.3s var(--ease);
}
.nav__link:hover::after { transform: scaleX(1); }

/* Dropdown */
.dropdown { position: relative; }
.dropdown__toggle { display: inline-flex; align-items: center; gap: 7px; }
.dropdown__toggle svg { transition: transform 0.3s var(--ease); width: 11px; height: 11px; }
.dropdown[data-open="true"] .dropdown__toggle svg { transform: rotate(180deg); }
.dropdown__menu {
  position: absolute; top: calc(100% + 10px); left: 50%; transform: translateX(-50%) translateY(-8px);
  min-width: 230px;
  background: var(--bg-raise);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 8px;
  opacity: 0; visibility: hidden; pointer-events: none;
  transition: opacity 0.24s var(--ease), transform 0.24s var(--ease), visibility 0.24s;
  box-shadow: 0 24px 60px rgba(0,0,0,0.5);
}
.dropdown[data-open="true"] .dropdown__menu {
  opacity: 1; visibility: visible; pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}
.dropdown__item {
  display: flex; flex-direction: column; gap: 2px;
  padding: 11px 14px; border-radius: var(--r-sm);
  transition: background 0.18s var(--ease);
}
.dropdown__item:hover { background: rgba(237,232,223,0.05); }
.dropdown__item strong { font-size: 15px; font-weight: 600; color: var(--ink); }
.dropdown__item span { font-family: var(--mono); font-size: 11.5px; color: var(--ink-dim); }

.nav__cta {
  margin-left: 10px;
}

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font-weight: 600; font-size: 15px;
  padding: 13px 24px;
  border-radius: var(--r-sm);
  transition: transform 0.25s var(--ease), background 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease);
  white-space: nowrap;
}
.btn--solid { background: var(--ink); color: var(--bg); }
.btn--solid:hover { background: #fff; transform: translateY(-2px); }
.btn--ghost { border: 1px solid var(--line); color: var(--ink); }
.btn--ghost:hover { border-color: var(--ink-soft); background: rgba(237,232,223,0.04); }
.btn--teal { background: var(--teal); color: #04201E; }
.btn--teal:hover { background: #52e3d6; transform: translateY(-2px); }
.btn .arrow { transition: transform 0.25s var(--ease); }
.btn:hover .arrow { transform: translateX(4px); }

/* Mobile nav */
.nav__toggle { display: none; width: 44px; height: 44px; align-items: center; justify-content: center; }
.nav__toggle span { position: relative; width: 22px; height: 1.5px; background: var(--ink); transition: 0.3s var(--ease); }
.nav__toggle span::before, .nav__toggle span::after {
  content: ""; position: absolute; left: 0; width: 22px; height: 1.5px; background: var(--ink); transition: 0.3s var(--ease);
}
.nav__toggle span::before { top: -7px; }
.nav__toggle span::after { top: 7px; }
body.menu-open .nav__toggle span { background: transparent; }
body.menu-open .nav__toggle span::before { top: 0; transform: rotate(45deg); }
body.menu-open .nav__toggle span::after { top: 0; transform: rotate(-45deg); }

.mobile-menu {
  position: fixed; inset: 78px 0 0 0; z-index: 90;
  background: var(--bg);
  padding: 32px var(--gutter) 48px;
  display: flex; flex-direction: column; gap: 4px;
  transform: translateY(-12px); opacity: 0; visibility: hidden; pointer-events: none;
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease), visibility 0.3s;
  overflow-y: auto;
}
body.menu-open .mobile-menu { opacity: 1; transform: none; visibility: visible; pointer-events: auto; }
.mobile-menu a {
  padding: 16px 0; font-size: 24px; font-weight: 600; letter-spacing: -0.01em;
  border-bottom: 1px solid var(--line-soft);
}
.mobile-menu .sub { padding-left: 16px; font-size: 17px; font-weight: 500; color: var(--ink-soft); }
.mobile-menu .btn { margin-top: 28px; align-self: flex-start; }

/* =========================================================================
   HERO
   ========================================================================= */
.hero {
  padding-top: clamp(140px, 22vh, 230px);
  padding-bottom: var(--section-y);
  position: relative;
}
.hero__credential {
  display: flex; flex-wrap: wrap; align-items: center; gap: 10px 18px;
  font-family: var(--mono); font-size: 12.5px; letter-spacing: 0.02em;
  color: var(--ink-dim);
  padding-bottom: 36px;
  max-width: 760px;
}
.hero__credential .dot { width: 3px; height: 3px; border-radius: 50%; background: var(--ink-faint); }
.hero__credential .wip { color: var(--ink-soft); }
.hero__credential .wip em { color: var(--teal); font-style: normal; }

.hero__headline {
  font-weight: 800;
  font-size: clamp(3.4rem, 11.5vw, 9.5rem);
  line-height: 0.92;
  letter-spacing: -0.045em;
  margin-bottom: clamp(28px, 4vw, 44px);
  max-width: 14ch;
}
.hero__headline .dim { color: var(--ink-soft); }
.hero__headline .sig { color: var(--teal); }

.hero__sub {
  font-size: clamp(18px, 2.1vw, 23px);
  line-height: 1.55;
  color: var(--ink-soft);
  max-width: 56ch;
  margin-bottom: 44px;
  font-weight: 400;
}
.hero__sub strong { color: var(--ink); font-weight: 600; }
.hero__ctas { display: flex; flex-wrap: wrap; gap: 14px; }

/* =========================================================================
   SECTION SHELL
   ========================================================================= */
.section { padding-block: var(--section-y); position: relative; }
.section--line { border-top: 1px solid var(--line); }
.section__head { max-width: 760px; margin-bottom: clamp(48px, 7vw, 96px); }
.section__head .eyebrow { margin-bottom: 26px; }
.section__title {
  font-weight: 800;
  font-size: clamp(2.3rem, 5.2vw, 4.4rem);
  line-height: 1.0;
  letter-spacing: -0.035em;
}
.section__title .sig { color: var(--teal); }
.section__lead {
  margin-top: 26px;
  font-size: clamp(17px, 1.7vw, 20px);
  color: var(--ink-soft);
  max-width: 54ch;
}

/* =========================================================================
   SERVICES — editorial list
   ========================================================================= */
.svc { border-top: 1px solid var(--line); }
.svc__row {
  display: grid;
  grid-template-columns: 90px minmax(0, 1fr);
  gap: clamp(20px, 5vw, 72px);
  padding-block: clamp(40px, 5vw, 60px);
  border-bottom: 1px solid var(--line);
  position: relative;
}
.svc__num {
  font-family: var(--mono);
  font-size: 15px;
  color: var(--ink-dim);
  padding-top: 8px;
}
.svc__body { max-width: 100%; }
.svc__name {
  font-weight: 700;
  font-size: clamp(1.7rem, 3.4vw, 2.7rem);
  letter-spacing: -0.025em;
  line-height: 1.04;
  margin-bottom: 18px;
  transition: color 0.3s var(--ease);
}
.svc__desc {
  font-size: clamp(16px, 1.5vw, 18.5px);
  color: var(--ink-soft);
  max-width: 62ch;
  margin-bottom: 26px;
}
.svc__tags { display: flex; flex-wrap: wrap; gap: 8px; }
.svc__tag {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.02em;
  color: var(--ink-dim);
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 100px;
  transition: border-color 0.3s var(--ease), color 0.3s var(--ease);
}
.svc__row:hover .svc__tag { border-color: var(--line); }
.svc__row:hover .svc__name { color: var(--ink); }

/* AWS reference mark — emphasised by weight rather than colour */
.aws-mark { font-weight: 600; color: var(--ink); }

/* Three-tier security sub-table */
.tiers {
  margin-top: 36px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
}
.tiers__head {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 20px;
  background: var(--bg-raise);
  border-bottom: 1px solid var(--line);
  font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--ink-dim);
}
.tiers__grid { display: grid; grid-template-columns: repeat(3, 1fr); }
.tier {
  padding: 24px 22px 28px;
  border-right: 1px solid var(--line);
}
.tier:last-child { border-right: none; }
.tier__label {
  font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--teal); margin-bottom: 14px;
  display: flex; align-items: center; gap: 8px;
}
.tier__label .lvl { color: var(--ink-faint); }
.tier__name { font-weight: 700; font-size: 19px; letter-spacing: -0.01em; margin-bottom: 10px; }
.tier__desc { font-size: 14.5px; color: var(--ink-soft); line-height: 1.55; }

/* =========================================================================
   AICX
   ========================================================================= */
.aicx__split {
  display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(40px, 6vw, 90px);
  align-items: end;
}
.aicx__statement {
  font-weight: 700;
  font-size: clamp(1.9rem, 3.4vw, 3rem);
  line-height: 1.08; letter-spacing: -0.03em;
}
.aicx__statement .pct { color: var(--teal); }
.aicx__statement .pct--soft { color: var(--ink-dim); }
.aicx__note { font-size: 17px; color: var(--ink-soft); max-width: 44ch; }

.aicx__cards {
  display: grid; grid-template-columns: 1fr 1fr; gap: 22px;
  margin-top: clamp(48px, 6vw, 80px);
}
.card {
  background: var(--bg-raise);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: clamp(28px, 3vw, 40px);
  transition: border-color 0.35s var(--ease), transform 0.35s var(--ease);
}
.card:hover { border-color: rgba(45,212,196,0.4); transform: translateY(-3px); }
.card__kicker {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--ink-dim); margin-bottom: 20px;
}
.card__title { font-weight: 700; font-size: clamp(1.4rem, 2.2vw, 1.85rem); letter-spacing: -0.02em; margin-bottom: 16px; }
.card__desc { font-size: 16px; color: var(--ink-soft); margin-bottom: 26px; }
.card__list { display: grid; gap: 1px; background: var(--line-soft); border-radius: var(--r-sm); overflow: hidden; }
.card__list-item {
  display: flex; align-items: baseline; gap: 12px;
  padding: 13px 0;
  background: var(--bg-raise);
}
.card__list-item .k {
  font-weight: 600; font-size: 15px; min-width: 130px;
}
.card__list-item .v { font-size: 14px; color: var(--ink-dim); }
.card__list--plain { background: none; }
.card__list--plain .card__list-item { border-bottom: 1px solid var(--line-soft); }
.card__list--plain .card__list-item:last-child { border-bottom: none; }

/* =========================================================================
   ANSA — warm gear-shift
   ========================================================================= */
.ansa {
  background: var(--bg-warm);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  position: relative;
}
.ansa__scenario {
  display: inline-flex; align-items: center; gap: 14px;
  font-family: var(--mono); font-size: 13px; color: var(--ink-soft);
  padding: 12px 18px;
  border: 1px solid var(--line-warm);
  border-radius: 100px;
  margin-bottom: 30px;
  background: rgba(45,212,196,0.04);
}
.ansa__scenario .time { color: var(--teal); font-weight: 600; }
.ansa__scenario .pulse {
  width: 7px; height: 7px; border-radius: 50%; background: var(--teal);
  box-shadow: 0 0 0 0 rgba(45,212,196,0.6);
  animation: pulse 2.4s infinite var(--ease);
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(45,212,196,0.5); }
  70% { box-shadow: 0 0 0 10px rgba(45,212,196,0); }
  100% { box-shadow: 0 0 0 0 rgba(45,212,196,0); }
}
.ansa__grid {
  display: grid; grid-template-columns: 1fr 0.92fr; gap: clamp(40px, 6vw, 88px);
  align-items: center;
}
.ansa__headline {
  font-weight: 800; font-size: clamp(2.4rem, 5vw, 4rem); line-height: 1.0; letter-spacing: -0.035em;
  margin-bottom: 26px;
}
.ansa__headline .sig { color: var(--teal); }
.ansa__lead { font-size: 18.5px; color: var(--ink-soft); max-width: 50ch; margin-bottom: 40px; }

.ansa__features { display: grid; grid-template-columns: 1fr 1fr; gap: 0; margin-bottom: 44px; }
.ansa__feature {
  padding: 22px 0; padding-right: 28px;
  border-top: 1px solid var(--line-warm);
}
.ansa__feature h4 { font-weight: 600; font-size: 16.5px; margin-bottom: 7px; display: flex; align-items: center; gap: 9px; }
.ansa__feature h4::before { content: ""; width: 5px; height: 5px; background: var(--teal); transform: rotate(45deg); }
.ansa__feature p { font-size: 14.5px; color: var(--ink-dim); }

.ansa__stat {
  display: flex; align-items: baseline; gap: 18px;
  padding: 26px 0; margin-bottom: 36px;
  border-top: 1px solid var(--line-warm); border-bottom: 1px solid var(--line-warm);
}
.ansa__stat .num { font-weight: 800; font-size: clamp(3.4rem, 7vw, 5.4rem); letter-spacing: -0.04em; line-height: 1; color: var(--teal); }
.ansa__stat .num .approx { color: var(--ink-dim); font-weight: 500; font-size: 0.5em; vertical-align: super; }
.ansa__stat .label { font-size: 15.5px; color: var(--ink-soft); max-width: 30ch; }
.ansa__ctas { display: flex; flex-wrap: wrap; gap: 14px; }

/* Chat mockup */
.chat {
  background: var(--bg-warm-2);
  border: 1px solid var(--line-warm);
  border-radius: var(--r-lg);
  padding: 22px;
  box-shadow: 0 40px 90px -30px rgba(0,0,0,0.7);
}
.chat__bar { display: flex; align-items: center; gap: 12px; padding-bottom: 18px; border-bottom: 1px solid var(--line-warm); margin-bottom: 22px; }
.chat__avatar {
  width: 34px; height: 34px; border-radius: 9px;
  background: linear-gradient(140deg, var(--teal), #1fa093);
  display: grid; place-items: center;
  font-weight: 800; font-size: 15px; color: #04201E;
}
.chat__id { display: flex; flex-direction: column; }
.chat__id strong { font-size: 14.5px; font-weight: 600; }
.chat__id span { font-family: var(--mono); font-size: 11px; color: var(--teal); display: flex; align-items: center; gap: 6px; }
.chat__id span::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--teal); }
.chat__stream { display: flex; flex-direction: column; gap: 12px; min-height: 268px; }
.bubble {
  max-width: 82%;
  padding: 12px 15px;
  font-size: 14.5px; line-height: 1.5;
  border-radius: 14px;
  opacity: 0; transform: translateY(10px);
}
.bubble.show { animation: bubbleIn 0.45s var(--ease) forwards; }
@keyframes bubbleIn { to { opacity: 1; transform: none; } }
.bubble--user { align-self: flex-end; background: rgba(237,232,223,0.08); border-bottom-right-radius: 4px; }
.bubble--bot { align-self: flex-start; background: var(--teal-dim); border: 1px solid rgba(45,212,196,0.22); border-bottom-left-radius: 4px; }
.bubble--bot .meta { font-family: var(--mono); font-size: 10.5px; color: var(--teal); margin-top: 8px; letter-spacing: 0.04em; }
.typing { align-self: flex-start; display: inline-flex; gap: 5px; padding: 14px 16px; background: var(--teal-dim); border-radius: 14px; border-bottom-left-radius: 4px; opacity: 0; }
.typing.show { opacity: 1; }
.typing.hide { display: none; }
.typing span { width: 6px; height: 6px; border-radius: 50%; background: var(--teal); animation: typedot 1.2s infinite; }
.typing span:nth-child(2) { animation-delay: 0.18s; }
.typing span:nth-child(3) { animation-delay: 0.36s; }
@keyframes typedot { 0%, 60%, 100% { opacity: 0.3; transform: translateY(0); } 30% { opacity: 1; transform: translateY(-4px); } }

/* =========================================================================
   HOW WE WORK
   ========================================================================= */
.assert { border-top: 1px solid var(--line); }
.assert__row {
  display: grid; grid-template-columns: 90px minmax(0,1fr) minmax(0, 0.85fr);
  gap: clamp(20px, 4vw, 64px);
  padding-block: clamp(40px, 5vw, 58px);
  border-bottom: 1px solid var(--line);
  align-items: start;
}
.assert__num { font-family: var(--mono); font-size: 15px; color: var(--ink-dim); padding-top: 10px; }
.assert__claim {
  font-weight: 700; font-size: clamp(1.6rem, 3vw, 2.4rem); letter-spacing: -0.025em; line-height: 1.08;
}
.assert__claim .sig { color: var(--teal); }
.assert__detail { font-size: 16.5px; color: var(--ink-soft); padding-top: 8px; }

/* Founder credential block */
.founder {
  display: grid; grid-template-columns: auto 1fr; gap: 26px; align-items: center;
  margin-top: clamp(56px, 7vw, 88px);
  padding: clamp(28px, 3vw, 40px);
  background: var(--bg-raise);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
}
.founder__portrait {
  width: 88px; height: 88px; border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--line);
  flex-shrink: 0;
}
.founder__portrait img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center 15%;
}
.founder__body p { font-size: 17px; color: var(--ink-soft); margin-bottom: 12px; }
.founder__body p .hl { color: var(--ink); font-weight: 500; }
.founder__sign { font-family: var(--mono); font-size: 13px; color: var(--ink-dim); margin-bottom: 12px; }
.founder__sign strong { color: var(--ink); font-weight: 600; }
.founder__linkedin {
  display: inline-flex;
  color: var(--ink-dim);
  transition: color 0.2s var(--ease);
}
.founder__linkedin:hover { color: var(--teal); }
.founder__linkedin svg { display: inline; flex-shrink: 0; }

/* =========================================================================
   CONTACT
   ========================================================================= */
.contact__grid { display: grid; grid-template-columns: 0.85fr 1.1fr; gap: clamp(40px, 6vw, 96px); }
.contact__title { font-weight: 800; font-size: clamp(2.6rem, 6vw, 5rem); letter-spacing: -0.04em; line-height: 0.96; margin-bottom: 28px; }
.contact__title .sig { color: var(--teal); }
.contact__copy { font-size: 18px; color: var(--ink-soft); max-width: 40ch; margin-bottom: 40px; }
.contact__details { display: grid; gap: 26px; }
.contact__detail .lbl { font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-dim); margin-bottom: 7px; }
.contact__detail .val { font-size: 17.5px; font-weight: 500; }
.contact__detail a.val:hover { color: var(--teal); transition: color 0.2s var(--ease); }

.form { display: grid; gap: 20px; }
.field { display: grid; gap: 8px; }
.field--row { grid-template-columns: 1fr 1fr; }
@media (max-width: 560px) { .field--row { grid-template-columns: 1fr; } }
.field label { font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-dim); }
.field input, .field textarea {
  background: var(--bg-raise);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  padding: 14px 16px;
  font-size: 16px;
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease);
}
.field input::placeholder, .field textarea::placeholder { color: var(--ink-faint); }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--teal); background: var(--bg-warm-2); }
.field textarea { resize: vertical; min-height: 120px; }
.field .err { font-family: var(--mono); font-size: 11.5px; color: var(--orange); display: none; }
.field.invalid input, .field.invalid textarea { border-color: var(--orange); }
.field.invalid .err { display: block; }
.form__footer { display: flex; align-items: center; justify-content: space-between; gap: 18px; flex-wrap: wrap; margin-top: 6px; }
.form__note { font-family: var(--mono); font-size: 12px; color: var(--ink-dim); max-width: 30ch; }
.form__success {
  display: none; align-items: center; gap: 12px;
  padding: 16px 18px; border: 1px solid rgba(45,212,196,0.4); background: var(--teal-dim);
  border-radius: var(--r-sm); font-size: 15px;
}
.form__success.show { display: flex; }
.form__success .check { width: 20px; height: 20px; border-radius: 50%; background: var(--teal); color: #04201E; display: grid; place-items: center; font-size: 12px; font-weight: 800; flex: none; }

/* =========================================================================
   FOOTER
   ========================================================================= */
.footer { border-top: 1px solid var(--line); padding-block: clamp(56px, 7vw, 88px) 40px; }
.footer__grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: clamp(32px, 5vw, 64px); margin-bottom: 64px; }
.footer__brand .brand { margin-bottom: 22px; }
.footer__tag { font-size: 16px; color: var(--ink-soft); max-width: 34ch; }
.footer__partner {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.03em;
  color: var(--ink-faint); margin-top: 14px;
}
.footer__partner em { color: var(--teal); font-style: normal; }
.footer__col h5 { font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-dim); margin-bottom: 20px; }
.footer__col a { display: block; padding: 7px 0; font-size: 15.5px; color: var(--ink-soft); transition: color 0.2s var(--ease); }
.footer__col a:hover { color: var(--ink); }
.footer__base {
  display: flex; align-items: center; justify-content: space-between; gap: 18px; flex-wrap: wrap;
  padding-top: 32px; border-top: 1px solid var(--line-soft);
  font-family: var(--mono); font-size: 12.5px; color: var(--ink-dim);
}
.footer__base .loc { display: inline-flex; align-items: center; gap: 9px; }
.footer__base .loc::before { content: ""; width: 6px; height: 6px; background: var(--teal); border-radius: 50%; }

/* =========================================================================
   RESPONSIVE
   ========================================================================= */
@media (max-width: 960px) {
  .nav__links { display: none; }
  .nav__cta { display: none; }
  .nav__toggle { display: inline-flex; }
  .aicx__split { grid-template-columns: 1fr; gap: 28px; align-items: start; }
  .aicx__cards { grid-template-columns: 1fr; }
  .ansa__grid { grid-template-columns: 1fr; }
  .ansa__grid .chat { order: -1; }
  .assert__row { grid-template-columns: 60px 1fr; }
  .assert__detail { grid-column: 2; padding-top: 4px; }
  .contact__grid { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
}
@media (max-width: 680px) {
  body { font-size: 16.5px; }
  .tiers__grid { grid-template-columns: 1fr; }
  .tier { border-right: none; border-bottom: 1px solid var(--line); }
  .tier:last-child { border-bottom: none; }
  .ansa__features { grid-template-columns: 1fr; }
  .ansa__feature { padding-right: 0; }
  .svc__row { grid-template-columns: 1fr; gap: 14px; }
  .svc__num { padding-top: 0; }
  .footer__grid { grid-template-columns: 1fr; }
  .footer__base { flex-direction: column; align-items: flex-start; }
  .card__list-item { flex-direction: column; gap: 4px; }
  .card__list-item .k { min-width: 0; }
}
@media (max-width: 420px) {
  .hero__ctas .btn, .ansa__ctas .btn { width: 100%; }
}