/* =========================================================================
   Altivection — design system
   Dark, elegant, luminous. Indigo → violet → cyan accent.
   ========================================================================= */

:root {
  --bg:            #090c16;
  --bg-2:          #0c1020;
  --surface:       rgba(255, 255, 255, 0.026);
  --surface-2:     rgba(255, 255, 255, 0.05);
  --border:        rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);

  --text:   #e9edf7;
  --muted:  #9aa4bd;
  --faint:  #6b7488;

  --indigo: #818cf8;
  --violet: #a78bfa;
  --cyan:   #22d3ee;
  --pink:   #f472b6;
  --amber:  #fbbf24;

  --grad:      linear-gradient(120deg, #818cf8 0%, #a78bfa 48%, #22d3ee 100%);
  --grad-soft: linear-gradient(120deg, rgba(129,140,248,0.18), rgba(34,211,238,0.18));

  --radius:    18px;
  --radius-sm: 12px;
  --radius-lg: 26px;

  --shadow:    0 18px 50px -22px rgba(0, 0, 0, 0.75);
  --shadow-lg: 0 40px 90px -30px rgba(0, 0, 0, 0.85);

  --container: 1160px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);

  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-head: 'Space Grotesk', var(--font-body);
}

/* ------------------------------------------------------------------ reset */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  font-size: 16.5px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; padding: 0; }
button { font-family: inherit; cursor: pointer; }

h1, h2, h3, h4 {
  font-family: var(--font-head);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.02em;
}

::selection { background: rgba(129, 140, 248, 0.32); color: #fff; }

.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 200;
  background: var(--indigo); color: #0a0e1a; padding: 10px 18px;
  border-radius: 0 0 10px 0; font-weight: 600;
}
.skip-link:focus { left: 0; }

:focus-visible {
  outline: 2px solid var(--indigo);
  outline-offset: 3px;
  border-radius: 4px;
}

/* -------------------------------------------------------------- layout */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(20px, 5vw, 40px);
}

.section { padding-block: clamp(64px, 9vw, 120px); }
.section-tight { padding-block: clamp(48px, 6vw, 80px); }
.section-alt {
  background:
    radial-gradient(120% 100% at 50% 0%, rgba(129,140,248,0.05), transparent 60%),
    var(--bg-2);
  border-block: 1px solid var(--border);
}

.grad-text {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-head);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--violet);
  margin-bottom: 18px;
}

.section-head { max-width: 680px; margin-bottom: clamp(40px, 5vw, 64px); }
.section-head h2 { font-size: clamp(1.85rem, 3.6vw, 2.7rem); }
.section-lead { color: var(--muted); margin-top: 18px; font-size: 1.08rem; }

/* icons ---------------------------------------------------------------- */
.icon { width: 22px; height: 22px; flex: none; }
.icon-lg { width: 30px; height: 30px; }
.flip { transform: rotate(180deg); }

/* -------------------------------------------------------------- buttons */
.btn {
  --btn-bg: var(--grad);
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 12px 22px;
  border-radius: 999px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: -0.01em;
  color: #0a0e1a;
  background: var(--btn-bg);
  border: 1px solid transparent;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), filter 0.3s var(--ease);
  box-shadow: 0 12px 30px -12px rgba(129, 140, 248, 0.6);
  white-space: nowrap;
}
.btn .icon { width: 18px; height: 18px; stroke-width: 2; }
.btn:hover { transform: translateY(-2px); filter: brightness(1.07); box-shadow: 0 18px 40px -12px rgba(129, 140, 248, 0.7); }
.btn:active { transform: translateY(0); }

.btn-lg { padding: 15px 30px; font-size: 1.02rem; }
.btn-sm { padding: 9px 18px; font-size: 0.9rem; box-shadow: none; }

.btn-ghost {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border-strong);
  box-shadow: none;
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover { background: var(--surface-2); filter: none; border-color: rgba(255,255,255,0.3); }

.btn-on-dark { color: #0a0e1a; }

/* -------------------------------------------------------------- header */
.site-header {
  position: sticky; top: 0; z-index: 100;
  border-bottom: 1px solid transparent;
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease), backdrop-filter 0.3s var(--ease);
}
.site-header.scrolled {
  background: rgba(9, 12, 22, 0.82);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  backdrop-filter: blur(16px) saturate(160%);
  border-bottom-color: var(--border);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 74px; gap: 20px; }

.brand { display: inline-flex; align-items: center; gap: 11px; font-family: var(--font-head); font-weight: 700; font-size: 1.18rem; letter-spacing: -0.02em; }
.brand-mark { width: 30px; height: 30px; display: grid; place-items: center; }
.brand-mark svg { width: 30px; height: 30px; filter: drop-shadow(0 4px 12px rgba(129,140,248,0.45)); }
.brand-name { color: var(--text); }

.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links > a { padding: 9px 15px; border-radius: 999px; color: var(--muted); font-weight: 500; font-size: 0.95rem; transition: color 0.2s, background 0.2s; }
.nav-links > a:not(.btn):hover { color: var(--text); background: var(--surface); }
.nav-links > a.is-active:not(.btn) { color: var(--text); }
.nav-links .btn { color: #0a0e1a; }

.nav-toggle { display: none; background: var(--surface); border: 1px solid var(--border); border-radius: 11px; padding: 8px; color: var(--text); }
.nav-toggle .icon { width: 22px; height: 22px; }
.nav-toggle-close { display: none; }

/* -------------------------------------------------------------- hero */
.hero { position: relative; padding-block: clamp(90px, 16vw, 184px); overflow: hidden; isolation: isolate; }
.hero-inner { position: relative; max-width: 880px; }

.hero-glow {
  position: absolute; z-index: -2; inset: -25% -10% auto -10%; height: 720px;
  background:
    radial-gradient(50% 55% at 22% 28%, rgba(129,140,248,0.34), transparent 70%),
    radial-gradient(45% 50% at 78% 18%, rgba(34,211,238,0.22), transparent 70%),
    radial-gradient(60% 60% at 60% 75%, rgba(167,139,250,0.22), transparent 72%);
  filter: blur(30px);
  animation: drift 18s ease-in-out infinite alternate;
}
.hero-glow-sm { height: 460px; opacity: 0.8; }
@keyframes drift { from { transform: translate3d(-2%, 0, 0) scale(1); } to { transform: translate3d(3%, 2%, 0) scale(1.08); } }

.hero-grid-bg {
  position: absolute; z-index: -3; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(70% 60% at 50% 35%, #000 35%, transparent 80%);
  mask-image: radial-gradient(70% 60% at 50% 35%, #000 35%, transparent 80%);
}

.hero-title { font-size: clamp(2.6rem, 6.4vw, 4.5rem); letter-spacing: -0.035em; }
.hero-sub { margin-top: 26px; font-size: clamp(1.08rem, 2vw, 1.3rem); color: var(--muted); max-width: 660px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 38px; }

.hero-stack { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 46px; }
.chip {
  display: inline-flex; align-items: center;
  padding: 7px 15px; border-radius: 999px;
  background: var(--surface); border: 1px solid var(--border);
  font-size: 0.85rem; font-weight: 500; color: var(--muted);
  font-family: var(--font-head); letter-spacing: -0.01em;
}

/* page hero (sub-pages) */
.page-hero { position: relative; padding-block: clamp(80px, 12vw, 140px) clamp(20px, 4vw, 48px); overflow: hidden; isolation: isolate; }
.page-hero-short { padding-bottom: 12px; }
.page-hero h1 { font-size: clamp(2.3rem, 5vw, 3.5rem); }
.page-lead { margin-top: 22px; max-width: 660px; color: var(--muted); font-size: 1.12rem; }
.error-hero { min-height: 56vh; display: flex; align-items: center; }

.back-link { display: inline-flex; align-items: center; gap: 7px; color: var(--muted); font-size: 0.92rem; font-weight: 500; margin-bottom: 26px; transition: color 0.2s; }
.back-link:hover { color: var(--text); }
.back-link .icon { width: 17px; height: 17px; }

/* -------------------------------------------------------------- grids */
.grid { display: grid; gap: 22px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* -------------------------------------------------------------- cards */
.card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 28px;
  transition: transform 0.4s var(--ease), border-color 0.4s var(--ease), background 0.4s var(--ease);
  overflow: hidden;
}
.card::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1px;
  background: var(--grad);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  opacity: 0; transition: opacity 0.4s var(--ease);
  pointer-events: none; /* decorative border must not intercept clicks on the card link */
}
.card:hover { transform: translateY(-5px); background: var(--surface-2); }
.card:hover::before { opacity: 0.55; }

.card-icon {
  display: inline-grid; place-items: center;
  width: 52px; height: 52px; border-radius: 14px;
  background: var(--grad-soft);
  border: 1px solid var(--border);
  color: var(--violet);
  margin-bottom: 20px;
}
.card-icon .icon { width: 26px; height: 26px; }
.card-icon-lg { width: 60px; height: 60px; border-radius: 16px; }
.card-icon-lg .icon { width: 30px; height: 30px; }

/* per-capability icon tint */
.icon-chart    { color: var(--indigo); }
.icon-trending { color: var(--cyan); }
.icon-eye      { color: var(--violet); }
.icon-sparkles { color: var(--pink); }
.icon-graph    { color: #60a5fa; }
.icon-rocket   { color: var(--amber); }

.cap-card h3 { font-size: 1.28rem; margin-bottom: 12px; }
.cap-card p { color: var(--muted); font-size: 0.98rem; }
.card-link { display: inline-flex; align-items: center; gap: 7px; margin-top: 20px; color: var(--text); font-weight: 600; font-size: 0.92rem; font-family: var(--font-head); }
.card-link .icon { width: 17px; height: 17px; transition: transform 0.3s var(--ease); }
.cap-card:hover .card-link .icon { transform: translateX(5px); }

/* -------------------------------------------------- industries (home) */
.grid-industries { grid-template-columns: repeat(3, 1fr); }
.industry-card {
  display: flex; align-items: center; gap: 18px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px 24px;
  transition: transform 0.4s var(--ease), border-color 0.4s var(--ease), background 0.4s var(--ease);
}
.industry-card:hover { transform: translateY(-4px); border-color: var(--border-strong); background: var(--surface-2); }
.industry-icon {
  display: inline-grid; place-items: center;
  width: 50px; height: 50px; border-radius: 13px; flex: none;
  background: var(--grad-soft); border: 1px solid var(--border); color: var(--violet);
}
.industry-icon .icon { width: 25px; height: 25px; }
.industry-body { flex: 1; }
.industry-body h3 { font-size: 1.14rem; margin-bottom: 3px; }
.industry-body p { color: var(--muted); font-size: 0.9rem; }
.industry-arrow { color: var(--faint); transition: transform 0.3s var(--ease), color 0.3s; }
.industry-arrow .icon { width: 19px; height: 19px; }
.industry-card:hover .industry-arrow { color: var(--violet); transform: translateX(4px); }

/* ------------------------------------------------------------ proof */
.proof-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 30px 28px;
  display: flex; flex-direction: column;
  transition: transform 0.4s var(--ease), border-color 0.4s var(--ease);
}
.proof-card:hover { transform: translateY(-4px); border-color: var(--border-strong); }
.proof-kicker { font-family: var(--font-head); font-size: 0.76rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--violet); }
.proof-card h3 { font-size: 1.22rem; margin: 14px 0 12px; }
.proof-card > p { color: var(--muted); font-size: 0.96rem; flex: 1; }
.proof-metrics { display: flex; flex-wrap: wrap; gap: 22px; margin-top: 24px; padding-top: 22px; border-top: 1px solid var(--border); }
.metric { display: flex; flex-direction: column; }
.metric-value { font-family: var(--font-head); font-weight: 700; font-size: 1.35rem; line-height: 1; }
.metric-label { color: var(--faint); font-size: 0.78rem; margin-top: 6px; max-width: 130px; }

/* ------------------------------------------------------------ approach */
.approach-step { position: relative; padding: 28px 24px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
.approach-num { font-family: var(--font-head); font-weight: 700; font-size: 1.7rem; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.approach-step h3 { font-size: 1.14rem; margin: 12px 0 9px; }
.approach-step p { color: var(--muted); font-size: 0.94rem; }

/* ------------------------------------------------------------ values */
.grid-values { grid-template-columns: repeat(2, 1fr); gap: 20px; }
.value { display: flex; gap: 18px; padding: 26px 26px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); transition: border-color 0.4s var(--ease); }
.value:hover { border-color: var(--border-strong); }
.value-icon { display: inline-grid; place-items: center; width: 48px; height: 48px; border-radius: 13px; flex: none; background: var(--grad-soft); border: 1px solid var(--border); color: var(--cyan); }
.value-icon .icon { width: 24px; height: 24px; }
.value h3 { font-size: 1.14rem; margin-bottom: 7px; }
.value p { color: var(--muted); font-size: 0.95rem; }

/* ------------------------------------------------------------ cta band */
.cta-band {
  position: relative; overflow: hidden; isolation: isolate;
  margin: 0; padding-block: clamp(54px, 8vw, 90px);
  background:
    radial-gradient(80% 140% at 15% 20%, rgba(129,140,248,0.5), transparent 60%),
    radial-gradient(80% 160% at 90% 90%, rgba(34,211,238,0.4), transparent 55%),
    linear-gradient(120deg, #2a2566, #3b2f7a 55%, #155e6b);
  border-block: 1px solid var(--border);
}
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
.cta-inner h2 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); max-width: 620px; }
.cta-inner p { color: rgba(255,255,255,0.82); margin-top: 12px; max-width: 560px; }

/* --------------------------------------------------- capability detail */
.cap-list { display: flex; flex-direction: column; gap: 22px; }
.cap-detail { border: 1px solid var(--border); border-radius: var(--radius-lg); padding: clamp(26px, 4vw, 42px); background: var(--surface); scroll-margin-top: 100px; transition: border-color 0.4s var(--ease); }
.cap-detail:hover { border-color: var(--border-strong); }
.cap-detail-head { display: flex; gap: 20px; align-items: flex-start; margin-bottom: 26px; }
.cap-detail-head h2 { font-size: clamp(1.5rem, 3vw, 2rem); }
.cap-detail-summary { color: var(--muted); margin-top: 10px; max-width: 720px; }
.cap-detail-body { padding-top: 26px; border-top: 1px solid var(--border); }
.cap-detail-body h4 { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.14em; color: var(--faint); margin-bottom: 16px; }
.cap-detail .check-list { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 40px; }

.check-list { display: flex; flex-direction: column; gap: 13px; }
.check-list li { display: flex; gap: 12px; align-items: flex-start; color: var(--text); font-size: 0.98rem; }
.check-list .icon { width: 20px; height: 20px; color: var(--cyan); flex: none; margin-top: 2px; stroke-width: 2.2; }

.chip-row { display: flex; flex-wrap: wrap; gap: 9px; }

/* --------------------------------------------------- industries page */
.industry-section { padding: clamp(28px, 4vw, 44px); border: 1px solid var(--border); border-radius: var(--radius-lg); background: var(--surface); margin-bottom: 26px; scroll-margin-top: 100px; }
.industry-section-head { display: flex; align-items: center; gap: 18px; margin-bottom: 18px; }
.industry-icon-lg { width: 60px; height: 60px; border-radius: 16px; }
.industry-icon-lg .icon { width: 30px; height: 30px; }
.industry-section-head h2 { font-size: clamp(1.5rem, 3vw, 2rem); }
.industry-section-tag { color: var(--violet); font-weight: 500; font-size: 0.98rem; margin-top: 2px; }
.industry-section-link { margin-left: auto; align-self: center; }
.industry-section-summary { color: var(--muted); max-width: 760px; margin-bottom: 28px; }

.usecase-grid { gap: 18px; }
.usecase { padding: 24px 24px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--bg); transition: transform 0.35s var(--ease), border-color 0.35s var(--ease); }
.usecase:hover { transform: translateY(-3px); border-color: var(--border-strong); }
.usecase h3 { font-size: 1.1rem; margin-bottom: 9px; }
.usecase p { color: var(--muted); font-size: 0.94rem; }
.usecase-caps { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.cap-tag { display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px; border-radius: 999px; background: var(--surface-2); border: 1px solid var(--border); font-size: 0.78rem; font-weight: 500; color: var(--muted); font-family: var(--font-head); transition: color 0.2s, border-color 0.2s; }
.cap-tag .icon { width: 15px; height: 15px; }
.cap-tag:hover { color: var(--text); border-color: var(--border-strong); }

.detail-hero-head { display: flex; align-items: center; gap: 18px; margin-bottom: 8px; }

/* --------------------------------------------------- about caps */
.about-caps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.about-cap { display: flex; align-items: center; gap: 14px; padding: 18px 20px; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--surface); font-family: var(--font-head); font-weight: 500; transition: border-color 0.3s, transform 0.3s var(--ease); }
.about-cap:hover { border-color: var(--border-strong); transform: translateY(-3px); }
.about-cap .card-icon { width: 42px; height: 42px; margin: 0; border-radius: 11px; }
.about-cap .card-icon .icon { width: 21px; height: 21px; }

/* --------------------------------------------------- contact */
.contact-layout { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 40px; align-items: start; }
.contact-aside h3 { font-size: 1.2rem; margin-bottom: 16px; }
.contact-line { display: flex; align-items: center; gap: 10px; font-weight: 500; margin-bottom: 10px; }
.contact-line .icon { width: 20px; height: 20px; color: var(--violet); }
.contact-line.muted { color: var(--muted); }
.contact-points { margin-top: 28px; display: flex; flex-direction: column; gap: 14px; }
.contact-point { display: flex; gap: 11px; align-items: flex-start; color: var(--muted); font-size: 0.95rem; }
.contact-point .icon { width: 19px; height: 19px; color: var(--cyan); flex: none; margin-top: 2px; stroke-width: 2.2; }

.contact-form { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: clamp(24px, 4vw, 38px); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: flex; flex-direction: column; gap: 8px; margin-bottom: 18px; }
.field > span { font-size: 0.88rem; font-weight: 500; color: var(--muted); font-family: var(--font-head); }
.field em { color: var(--pink); font-style: normal; }
.field input, .field textarea {
  width: 100%; padding: 13px 15px;
  background: var(--bg); border: 1px solid var(--border-strong);
  border-radius: 12px; color: var(--text); font-family: inherit; font-size: 0.98rem;
  transition: border-color 0.25s, box-shadow 0.25s;
  resize: vertical;
}
.field input::placeholder, .field textarea::placeholder { color: var(--faint); }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--indigo); box-shadow: 0 0 0 4px rgba(129,140,248,0.16); }
.form-note { color: var(--faint); font-size: 0.82rem; margin-top: 16px; }
.contact-form .btn { margin-top: 6px; }
/* reCAPTCHA v3 is invisible — hide the floating badge; the disclosure note in the
   form satisfies Google's attribution requirement. */
.grecaptcha-badge { visibility: hidden; }
.recaptcha-note { margin-top: 8px; }
.recaptcha-note a { color: var(--muted); text-decoration: underline; }
.recaptcha-note a:hover { color: var(--text); }

/* --------------------------------------------------- flash */
.flash-stack { margin-top: 22px; display: flex; flex-direction: column; gap: 10px; }
.flash { display: flex; align-items: center; gap: 12px; padding: 14px 18px; border-radius: 12px; font-size: 0.95rem; font-weight: 500; border: 1px solid var(--border); }
.flash .icon { width: 20px; height: 20px; flex: none; }
.flash-success { background: rgba(34,211,238,0.1); border-color: rgba(34,211,238,0.35); color: #a5f3fc; }
.flash-error { background: rgba(244,114,182,0.1); border-color: rgba(244,114,182,0.35); color: #fbcfe8; }

/* --------------------------------------------------- footer */
.site-footer { border-top: 1px solid var(--border); background: var(--bg-2); padding-block: clamp(48px, 6vw, 72px) 30px; margin-top: 0; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 36px; }
.footer-brand .brand { margin-bottom: 16px; }
.footer-tag { color: var(--muted); font-size: 0.95rem; max-width: 280px; }
.footer-meta { display: flex; align-items: center; gap: 8px; color: var(--faint); font-size: 0.88rem; margin-top: 16px; }
.footer-meta .icon { width: 17px; height: 17px; }
.footer-col h4 { font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.12em; color: var(--faint); margin-bottom: 16px; font-weight: 600; }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a { color: var(--muted); font-size: 0.94rem; transition: color 0.2s; }
.footer-col a:hover { color: var(--text); }
.footer-bottom { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-top: 44px; padding-top: 24px; border-top: 1px solid var(--border); color: var(--faint); font-size: 0.85rem; }

/* --------------------------------------------------- reveal animation */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); transition-delay: calc(var(--i, 0) * 70ms); }
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero-glow { animation: none; }
  * { transition-duration: 0.01ms !important; }
}

/* --------------------------------------------------- responsive */
@media (max-width: 940px) {
  .grid-3, .grid-4, .grid-industries, .about-caps { grid-template-columns: repeat(2, 1fr); }
  .cap-detail .check-list { grid-template-columns: 1fr; }
  .contact-layout { grid-template-columns: 1fr; gap: 30px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 720px) {
  .nav-toggle { display: inline-grid; place-items: center; }
  .nav-links {
    position: fixed; inset: 74px 0 auto 0;
    flex-direction: column; align-items: stretch; gap: 4px;
    background: rgba(9, 12, 22, 0.97);
    -webkit-backdrop-filter: blur(18px); backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--border);
    padding: 16px clamp(20px, 5vw, 40px) 24px;
    transform: translateY(-12px); opacity: 0; pointer-events: none;
    transition: opacity 0.25s var(--ease), transform 0.25s var(--ease);
  }
  .nav-links.open { transform: none; opacity: 1; pointer-events: auto; }
  .nav-links > a { padding: 13px 14px; border-radius: 12px; font-size: 1rem; }
  .nav-links .btn { justify-content: center; margin-top: 8px; }
  .nav-open .nav-toggle-open { display: none; }
  .nav-open .nav-toggle-close { display: block; }
}

@media (max-width: 600px) {
  .grid-2, .grid-3, .grid-4, .grid-industries, .grid-values, .about-caps, .field-row, .usecase-grid { grid-template-columns: 1fr; }
  .hero-cta .btn, .hero-cta { width: 100%; }
  .hero-cta .btn { justify-content: center; }
  .industry-section-link { margin-left: 0; }
  .industry-section-head { flex-wrap: wrap; }
  .cta-inner .btn { width: 100%; justify-content: center; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}