/* =====================================================================
   KYTHERTEK — built on Prism Design System v3.0 (Liquid Glass edition)
   Material Design 3 foundation, Prism brand skin, Apple-style liquid
   glass surfaces: clear fills, refractive specular rims, capsule chrome.
   Colors and typefaces are derived from the KytherTek logo.
   ===================================================================== */

/* ---- Fonts --------------------------------------------------------- */
@font-face {
  font-family: "Garage Gothic";
  src: url("assets/fonts/GarageGothic-Regular.otf") format("opentype");
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "Garage Gothic";
  src: url("assets/fonts/GarageGothic-Bold.otf") format("opentype");
  font-weight: 700; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "Garage Gothic";
  src: url("assets/fonts/GarageGothic-Black.otf") format("opentype");
  font-weight: 900; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "Hanken Grotesk";
  src: url("assets/fonts/HankenGrotesk.ttf") format("truetype");
  font-weight: 100 900; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "Hanken Grotesk";
  src: url("assets/fonts/HankenGrotesk-Italic.ttf") format("truetype");
  font-weight: 100 900; font-style: italic; font-display: swap;
}
/* Material Icons (filled) — self-hosted, ligature-based */
@font-face {
  font-family: "Material Icons";
  src: url("assets/fonts/material-icons.ttf") format("truetype");
  font-weight: normal; font-style: normal; font-display: block;
}

/* ---- Brand spectrum (theme-independent, from the logo) -------------- */
:root {
  --plum: #4b1d59;
  --deep: #087d69;
  --teal: #12b7a0;
  --aqua: #76c9c0;
  --ink: #15181e;
  --mist: #f4f8f7;

  --spectrum: linear-gradient(90deg, var(--plum), var(--deep), var(--teal), var(--aqua));

  --font-display: "Garage Gothic", "Arial Narrow", sans-serif;
  --font-body: "Hanken Grotesk", system-ui, sans-serif;
  --font-mono: "Garage Gothic", "Arial Narrow", sans-serif;
  --font-code: ui-monospace, "Cascadia Code", "Consolas", monospace;

  /* M3 shape scale */
  --shape-xs: 4px;
  --shape-sm: 8px;
  --shape-md: 12px;
  --shape-lg: 16px;
  --shape-xl: 28px;
  --shape-full: 999px;

  --wrap: min(1180px, 100% - 40px);

  /* Liquid glass */
  --glass-blur: 20px;
  --glass-blur-sm: 10px;

  /* M3 motion */
  --ease: cubic-bezier(0.2, 0, 0, 1); /* emphasized */
  --ease-decel: cubic-bezier(0.05, 0.7, 0.1, 1);
  --dur-short: 0.2s;
  --dur-med: 0.35s;

  /* M3 state-layer opacities */
  --state-hover: 0.08;
  --state-press: 0.12;
}

/* ---- Scheme: light -------------------------------------------------- */
:root,
[data-theme="light"] {
  color-scheme: light;

  --primary: #087d69; /* Deep Circuit — action */
  --on-primary: #ffffff;
  --primary-glow: rgb(8 125 105 / 0.32);
  --primary-container: rgb(18 183 160 / 0.2);
  --on-primary-container: #06423a;

  --secondary: #4b1d59; /* Authority Plum — identity */
  --on-secondary: #f3edf5;
  --secondary-container: rgb(75 29 89 / 0.13);
  --on-secondary-container: #36123f;

  --tertiary: #206b60; /* Aqua Glass family — highlights */
  --on-tertiary: #ffffff;
  --tertiary-container: rgb(118 201 192 / 0.3);
  --on-tertiary-container: #06312c;

  --surface-dim: #e4eae8;
  --surface: #f4f8f7; /* Sensor Mist */
  --surface-container-lowest: #ffffff;
  --surface-container-low: rgb(255 255 255 / 0.3);
  --surface-container: rgb(255 255 255 / 0.42);
  --surface-container-high: rgb(255 255 255 / 0.55);
  --surface-container-highest: rgb(255 255 255 / 0.68);

  --on-surface: #15181e;
  --on-surface-variant: #4d5862;
  --on-surface-faint: #7c868f;

  --outline: #75817c;
  --outline-variant: rgb(21 24 30 / 0.1);

  --inverse-surface: #15181e;
  --inverse-on-surface: #eef3f2;
  --inverse-primary: #2ad3bb;

  --warning: #9a5a10;
  --warning-container: rgb(154 90 16 / 0.13);
  --on-warning-container: #5c3403;

  /* Liquid glass: clear fill + refractive specular rim */
  --glass-bg: rgb(255 255 255 / 0.26);
  --glass-bg-strong: rgb(255 255 255 / 0.5);
  --glass-border: rgb(255 255 255 / 0.38);
  --glass-border-hover: rgb(255 255 255 / 0.65);
  --glass-shadow:
    inset 2.5px 2.5px 1.5px -2px rgb(255 255 255 / 0.95),
    inset -2.5px -2.5px 1.5px -2px rgb(255 255 255 / 0.8),
    inset 1px 1px 1px -0.5px rgb(255 255 255 / 0.7),
    inset -1px -1px 1px -0.5px rgb(255 255 255 / 0.55),
    inset 0 0 12px 5px rgb(255 255 255 / 0.12),
    0 14px 34px rgb(12 50 44 / 0.13),
    0 3px 9px rgb(12 50 44 / 0.07);
  --glass-shadow-hover:
    inset 2.5px 2.5px 1.5px -2px rgb(255 255 255 / 1),
    inset -2.5px -2.5px 1.5px -2px rgb(255 255 255 / 0.9),
    inset 1px 1px 1px -0.5px rgb(255 255 255 / 0.8),
    inset -1px -1px 1px -0.5px rgb(255 255 255 / 0.65),
    inset 0 0 14px 6px rgb(255 255 255 / 0.16),
    0 22px 48px rgb(12 50 44 / 0.18),
    0 4px 12px rgb(12 50 44 / 0.1);
  --glass-shadow-sm:
    inset 1.5px 1.5px 1px -1px rgb(255 255 255 / 0.9),
    inset -1.5px -1.5px 1px -1px rgb(255 255 255 / 0.6),
    inset 0 0 6px 3px rgb(255 255 255 / 0.1),
    0 3px 10px rgb(12 50 44 / 0.1);

  /* Ambient aurora in the logo colors — the wallpaper the glass bends */
  --aurora:
    radial-gradient(42% 50% at 10% 6%, rgb(18 183 160 / 0.26), transparent 70%),
    radial-gradient(46% 55% at 92% 10%, rgb(75 29 89 / 0.15), transparent 70%),
    radial-gradient(50% 60% at 82% 90%, rgb(118 201 192 / 0.32), transparent 70%),
    radial-gradient(38% 48% at 12% 92%, rgb(8 125 105 / 0.19), transparent 70%);

  --grid: rgb(8 125 105 / 0.035);
  --header-bg: rgb(255 255 255 / 0.4);
  --scrim: rgb(21 24 30 / 0.4);

  --elev-1: 0 1px 2px rgb(21 24 30 / 0.1), 0 1px 3px 1px rgb(21 24 30 / 0.06);
  --elev-2: 0 1px 2px rgb(21 24 30 / 0.1), 0 2px 6px 2px rgb(21 24 30 / 0.08);
  --elev-3: 0 4px 8px 3px rgb(21 24 30 / 0.1), 0 1px 3px rgb(21 24 30 / 0.12);
}

/* ---- Scheme: dark ---------------------------------------------------- */
[data-theme="dark"] {
  color-scheme: dark;

  --primary: #2ad3bb;
  --on-primary: #063129;
  --primary-glow: rgb(42 211 187 / 0.32);
  --primary-container: rgb(42 211 187 / 0.16);
  --on-primary-container: #b2f2e4;

  --secondary: #eef3f5; /* off-white headings on dark (no pink) */
  --on-secondary: #15181e;
  --secondary-container: rgb(139 92 178 / 0.2);
  --on-secondary-container: #e6d3f2;

  --tertiary: #76c9c0;
  --on-tertiary: #06312c;
  --tertiary-container: rgb(118 201 192 / 0.14);
  --on-tertiary-container: #c4e9e3;

  --surface-dim: #0a0d10;
  --surface: #0d1014;
  --surface-container-lowest: #080b0e;
  --surface-container-low: rgb(255 255 255 / 0.05);
  --surface-container: rgb(255 255 255 / 0.07);
  --surface-container-high: rgb(255 255 255 / 0.09);
  --surface-container-highest: rgb(255 255 255 / 0.12);

  --on-surface: #e9eff0;
  --on-surface-variant: #9aa6ad;
  --on-surface-faint: #6b757d;

  --outline: #79858c;
  --outline-variant: rgb(255 255 255 / 0.1);

  --inverse-surface: #e9eff0;
  --inverse-on-surface: #15181e;
  --inverse-primary: #087d69;

  --warning: #e0a557;
  --warning-container: rgb(224 165 87 / 0.14);
  --on-warning-container: #f4d5a8;

  /* Liquid glass — smoked clear panes, cooler rim light */
  --glass-bg: rgb(255 255 255 / 0.055);
  --glass-bg-strong: rgb(255 255 255 / 0.12);
  --glass-border: rgb(255 255 255 / 0.1);
  --glass-border-hover: rgb(255 255 255 / 0.22);
  --glass-shadow:
    inset 2.5px 2.5px 1.5px -2px rgb(255 255 255 / 0.45),
    inset -2.5px -2.5px 1.5px -2px rgb(255 255 255 / 0.26),
    inset 1px 1px 1px -0.5px rgb(255 255 255 / 0.4),
    inset -1px -1px 1px -0.5px rgb(255 255 255 / 0.22),
    inset 0 0 14px 5px rgb(255 255 255 / 0.04),
    0 16px 40px rgb(0 0 0 / 0.5),
    0 3px 10px rgb(0 0 0 / 0.35);
  --glass-shadow-hover:
    inset 2.5px 2.5px 1.5px -2px rgb(255 255 255 / 0.6),
    inset -2.5px -2.5px 1.5px -2px rgb(255 255 255 / 0.38),
    inset 1px 1px 1px -0.5px rgb(255 255 255 / 0.5),
    inset -1px -1px 1px -0.5px rgb(255 255 255 / 0.3),
    inset 0 0 16px 6px rgb(255 255 255 / 0.06),
    0 24px 56px rgb(0 0 0 / 0.6),
    0 4px 14px rgb(0 0 0 / 0.45);
  --glass-shadow-sm:
    inset 1.5px 1.5px 1px -1px rgb(255 255 255 / 0.4),
    inset -1.5px -1.5px 1px -1px rgb(255 255 255 / 0.18),
    inset 0 0 6px 3px rgb(255 255 255 / 0.035),
    0 4px 12px rgb(0 0 0 / 0.4);

  --aurora:
    radial-gradient(42% 50% at 10% 6%, rgb(18 183 160 / 0.18), transparent 70%),
    radial-gradient(46% 55% at 92% 10%, rgb(130 65 160 / 0.2), transparent 70%),
    radial-gradient(50% 60% at 82% 90%, rgb(8 125 105 / 0.22), transparent 70%),
    radial-gradient(38% 48% at 12% 92%, rgb(75 29 89 / 0.26), transparent 70%);

  --grid: rgb(118 201 192 / 0.04);
  --header-bg: rgb(20 25 31 / 0.45);
  --scrim: rgb(0 0 0 / 0.55);

  --elev-1: 0 1px 2px rgb(0 0 0 / 0.5), 0 1px 3px 1px rgb(0 0 0 / 0.3);
  --elev-2: 0 1px 2px rgb(0 0 0 / 0.5), 0 2px 6px 2px rgb(0 0 0 / 0.35);
  --elev-3: 0 4px 8px 3px rgb(0 0 0 / 0.4), 0 1px 3px rgb(0 0 0 / 0.5);
}

/* Fallback when backdrop-filter is unavailable: solidify the glass. */
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  :root,
  [data-theme="light"] {
    --glass-bg: rgb(255 255 255 / 0.86);
    --glass-bg-strong: rgb(255 255 255 / 0.94);
    --header-bg: rgb(255 255 255 / 0.94);
  }
  [data-theme="dark"] {
    --glass-bg: rgb(23 28 34 / 0.92);
    --glass-bg-strong: rgb(30 36 44 / 0.95);
    --header-bg: rgb(20 25 31 / 0.95);
  }
}

/* ---- Reset ----------------------------------------------------------- */
* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  /* reserve the scrollbar gutter from first paint — otherwise the scrollbar
     arrives mid-load and shifts all centered content horizontally */
  scrollbar-gutter: stable;
}

body {
  margin: 0;
  background:
    linear-gradient(90deg, var(--grid) 1px, transparent 1px),
    linear-gradient(180deg, var(--grid) 1px, transparent 1px),
    var(--surface);
  background-size: 56px 56px;
  color: var(--on-surface);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.55;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  transition: background-color 0.4s var(--ease), color 0.4s var(--ease);
}

/* Fixed aurora wallpaper — the color the glass refracts */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background: var(--aurora);
  pointer-events: none;
}

button, input, textarea, select { font: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
h1, h2, h3, h4 { margin: 0; }

::selection { background: var(--teal); color: #06241f; }

[id] { scroll-margin-top: 96px; }

.skip-link {
  position: fixed; top: -60px; left: 16px; z-index: 100;
  padding: 10px 20px; background: var(--secondary); color: var(--on-secondary);
  border-radius: var(--shape-full); transition: top 0.2s var(--ease);
}
.skip-link:focus { top: 16px; }

:focus-visible { outline: 3px solid var(--primary); outline-offset: 2px; }

/* Material icon glyph */
.mi {
  font-family: "Material Icons"; font-weight: normal; font-style: normal;
  font-size: 24px; line-height: 1; letter-spacing: normal; text-transform: none;
  display: inline-block; white-space: nowrap; direction: ltr; flex: 0 0 auto;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
  font-feature-settings: "liga"; -webkit-font-feature-settings: "liga";
}
.service-card__icon .mi { font-size: 25px; }
.why-card__mark .mi { font-size: 26px; }
.contact__list .ic .mi {
  font-size: 21px; color: var(--primary);
  letter-spacing: normal; text-transform: none;
}
.ind-cloud li .mi { font-size: 19px; color: var(--primary); }
.nav-toggle .mi { font-size: 22px; }

/* ---- Liquid glass pane ------------------------------------------------
   The shared clear pane: barely-there fill, heavy blur with boosted
   saturation, and a specular rim built from offset inset highlights so
   the edge reads as refracted light rather than a border. */
.hero__visual,
.stats,
.stack-card,
.service-card,
.process-step,
.why-card,
.accordion__item,
.cta,
.form-card {
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(1.8);
  backdrop-filter: blur(var(--glass-blur)) saturate(1.8);
  box-shadow: var(--glass-shadow);
  transition: box-shadow var(--dur-short) var(--ease), border-color var(--dur-short) var(--ease),
    transform var(--dur-short) var(--ease);
}

/* Glass lifts toward the light on hover — gel, not paper */
.service-card:hover,
.process-step:hover,
.why-card:hover {
  transform: translateY(-3px);
  border-color: var(--glass-border-hover);
  box-shadow: var(--glass-shadow-hover);
}

/* ---- Ripple (M3) ----------------------------------------------------- */
.ripple {
  position: absolute; z-index: 0; border-radius: 50%;
  background: currentColor; opacity: 0.14;
  transform: scale(0); pointer-events: none;
  animation: rippleGrow 0.55s var(--ease-decel) forwards;
}
@keyframes rippleGrow { to { transform: scale(1); opacity: 0; } }

/* ---- Spectrum signature ---------------------------------------------- */
.spectrum-rule {
  display: block;
  width: var(--wrap);
  height: 3px;
  margin: 0 auto;
  background: var(--spectrum);
  opacity: 0.85;
  border-radius: var(--shape-full);
}

/* ---- Top app bar — floating glass capsule ----------------------------- */
.site-header {
  position: sticky; top: 10px; z-index: 40;
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px;
  width: min(1240px, 100% - 24px);
  min-height: 60px;
  margin: 10px auto 0;
  padding: 8px 12px 8px clamp(16px, 3vw, 24px);
  border: 1px solid var(--glass-border);
  border-radius: var(--shape-full);
  background: var(--header-bg);
  -webkit-backdrop-filter: blur(26px) saturate(1.8);
  backdrop-filter: blur(26px) saturate(1.8);
  box-shadow: var(--glass-shadow);
}

.brand-lockup { display: inline-flex; align-items: center; gap: 10px; }
.site-header .brand-full { height: 40px; width: auto; }
/* theme-swapped lockup: colored mark always, wordmark ink per theme.
   Only these rules touch display — sizing rules must not, or specificity
   ties would show both variants at once. */
.brand-full { display: block; }
.brand-full--dark { display: none; }
[data-theme="dark"] .brand-full--light { display: none; }
[data-theme="dark"] .brand-full--dark { display: block; }
.brand-mark { height: 38px; width: auto; flex: 0 0 auto; }
.brand-text strong {
  display: block; font-family: var(--font-display); font-weight: 700;
  font-size: 1.35rem; line-height: 1; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--secondary);
}
.brand-text span {
  display: block; margin-top: 3px; color: var(--on-surface-faint);
  font-size: 0.6rem; letter-spacing: 0.14em; text-transform: uppercase;
}

.nav-links {
  display: flex; align-items: center; gap: clamp(2px, 0.8vw, 8px);
  font-size: 0.875rem; font-weight: 500;
}
.nav-links a {
  position: relative; isolation: isolate;
  padding: 8px 13px; border-radius: var(--shape-full);
  color: var(--on-surface-variant); white-space: nowrap;
  transition: color var(--dur-short) var(--ease);
}
.nav-links a::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  border-radius: inherit; background: currentColor; opacity: 0;
  transition: opacity var(--dur-short) var(--ease);
}
.nav-links a:hover, .nav-links a:focus-visible { color: var(--on-surface); }
.nav-links a:hover::before, .nav-links a:focus-visible::before { opacity: var(--state-hover); }

.nav-actions { display: flex; align-items: center; gap: 8px; }

/* theme switch — spectrum track under a white lens thumb */
.theme-toggle {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 12px 6px 8px;
  border: 1px solid var(--glass-border); border-radius: var(--shape-full);
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(var(--glass-blur-sm)) saturate(1.6);
  backdrop-filter: blur(var(--glass-blur-sm)) saturate(1.6);
  box-shadow: var(--glass-shadow-sm);
  cursor: pointer;
  font-size: 0.78rem; font-weight: 500; color: var(--on-surface-variant);
  transition: border-color var(--dur-short) var(--ease);
}
.theme-toggle:hover { border-color: var(--glass-border-hover); }
.theme-toggle__track {
  position: relative; width: 34px; height: 20px;
  border-radius: var(--shape-full); background: var(--spectrum);
  box-shadow: inset 0 1px 2px rgb(0 0 0 / 0.25);
}
.theme-toggle__track::after {
  content: ""; position: absolute; top: 2px; left: 2px;
  width: 16px; height: 16px; border-radius: var(--shape-full);
  background: #fff; box-shadow: 0 1px 3px rgb(0 0 0 / 0.35);
  transition: transform 0.25s var(--ease);
}
[data-theme="dark"] .theme-toggle__track::after { transform: translateX(14px); }

.nav-toggle {
  display: none; width: 44px; height: 44px; flex: 0 0 auto;
  border: 1px solid var(--glass-border); background: var(--glass-bg);
  -webkit-backdrop-filter: blur(var(--glass-blur-sm)) saturate(1.6);
  backdrop-filter: blur(var(--glass-blur-sm)) saturate(1.6);
  box-shadow: var(--glass-shadow-sm);
  border-radius: var(--shape-full); cursor: pointer; color: var(--on-surface);
}

/* ---- Buttons (M3 roles, liquid glass skin) ----------------------------- */
.btn {
  position: relative; isolation: isolate; overflow: hidden;
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 46px; padding: 0 26px;
  border: 1px solid transparent; border-radius: var(--shape-full);
  cursor: pointer;
  font-family: var(--font-body); font-weight: 600;
  font-size: 0.95rem; letter-spacing: 0.01em; white-space: nowrap;
  transition: box-shadow var(--dur-short) var(--ease), background var(--dur-short) var(--ease),
    border-color var(--dur-short) var(--ease), color var(--dur-short) var(--ease),
    transform var(--dur-short) var(--ease);
}
.btn:active { transform: scale(0.97); }

/* state layer for every button */
.btn::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  border-radius: inherit; background: currentColor; opacity: 0;
  transition: opacity var(--dur-short) var(--ease);
}
.btn:hover::before { opacity: var(--state-hover); }
.btn:active::before { opacity: var(--state-press); }
/* lift real content above the state layer, but NOT the ripple span —
   it must stay position:absolute or it drops into flow and balloons the button */
.btn > :not(.ripple) { position: relative; z-index: 1; }

.btn--filled {
  background: linear-gradient(180deg, rgb(255 255 255 / 0.22), rgb(255 255 255 / 0) 55%), var(--primary);
  color: var(--on-primary);
  box-shadow: inset 0 1px 1px rgb(255 255 255 / 0.4), inset 0 -1px 1px rgb(0 0 0 / 0.12),
    0 4px 14px var(--primary-glow);
}
.btn--filled:hover {
  box-shadow: inset 0 1px 1px rgb(255 255 255 / 0.5), inset 0 -1px 1px rgb(0 0 0 / 0.12),
    0 8px 24px var(--primary-glow);
}

.btn--tonal {
  border-color: var(--glass-border);
  background: var(--secondary-container);
  color: var(--on-secondary-container);
  -webkit-backdrop-filter: blur(var(--glass-blur-sm)) saturate(1.6);
  backdrop-filter: blur(var(--glass-blur-sm)) saturate(1.6);
  box-shadow: var(--glass-shadow-sm);
}

.btn--outlined {
  border-color: var(--glass-border-hover);
  background: var(--glass-bg);
  color: var(--primary);
  -webkit-backdrop-filter: blur(var(--glass-blur-sm)) saturate(1.6);
  backdrop-filter: blur(var(--glass-blur-sm)) saturate(1.6);
  box-shadow: var(--glass-shadow-sm);
}
.btn--outlined:focus-visible { border-color: var(--primary); }

.btn--text { background: transparent; color: var(--primary); padding: 0 16px; }

.btn--sm { min-height: 40px; padding: 0 18px; font-size: 0.88rem; }

/* ---- Layout primitives ------------------------------------------------ */
.section { width: var(--wrap); margin: 0 auto; }
.band { padding: clamp(56px, 8vw, 104px) 0; }
.band--tight { padding: clamp(40px, 5vw, 68px) 0; }

.section-head { max-width: 760px; margin: 0 auto clamp(32px, 5vw, 56px); text-align: center; }

.eyebrow {
  display: block; margin: 0 0 16px;
  font-family: var(--font-mono); font-size: 0.92rem; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--primary);
}

.section-head h2,
.svc__aside h2,
.about__body h2,
.contact__info h2 {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(1.9rem, 4vw, 3.1rem); line-height: 1.04;
  letter-spacing: -0.01em; color: var(--on-surface);
}
.section-head p:not(.eyebrow),
.svc__aside p:not(.eyebrow) {
  max-width: 60ch; margin: 18px auto 0;
  color: var(--on-surface-variant); font-size: 1.05rem; line-height: 1.6;
}

/* ---- Hero — asymmetric split over the aurora ---------------------------- */
.hero-band { position: relative; }
.hero {
  display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(340px, 0.85fr);
  gap: clamp(40px, 5vw, 72px); align-items: center;
  min-height: min(74dvh, 660px);
  padding: clamp(44px, 6vw, 80px) 0 clamp(40px, 5vw, 64px);
}
.hero__copy { min-width: 0; }
.hero h1 {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(2.6rem, 4.8vw, 4.6rem); line-height: 0.93;
  letter-spacing: 0.02em; text-transform: uppercase; color: var(--secondary);
  max-width: 22ch;
}
.hero h1 em { font-style: normal; color: var(--primary); }
.hero__lead {
  max-width: 48ch; margin: 22px 0 0;
  color: var(--on-surface-variant); font-size: clamp(1.05rem, 1.6vw, 1.28rem); line-height: 1.5;
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }

/* hero visual — a pane of glass holding the horizontal lockup */
.hero__visual {
  position: relative; margin: 0; display: grid; place-items: center;
  min-height: 360px; padding: clamp(30px, 4vw, 48px);
  border-radius: var(--shape-xl);
  overflow: hidden;
}
.hero__visual img {
  position: relative; z-index: 2; width: min(92%, 460px); height: auto;
  animation: logoFloat 9s ease-in-out infinite alternate;
}
.hero__visual .logo-light { filter: drop-shadow(0 10px 28px rgb(12 50 44 / 0.18)); }
.hero__visual .logo-dark { display: none; }
[data-theme="dark"] .hero__visual .logo-light { display: none; }
[data-theme="dark"] .hero__visual .logo-dark {
  display: block;
  filter: drop-shadow(0 10px 32px rgb(0 0 0 / 0.45));
}
@keyframes logoFloat { from { transform: translateY(-5px); } to { transform: translateY(5px); } }

/* telemetry chips — small glass capsules */
.hero__chip {
  position: absolute; z-index: 3;
  display: inline-flex; align-items: center; gap: 7px;
  min-height: 32px; padding: 0 14px;
  border: 1px solid var(--glass-border);
  background: var(--glass-bg-strong);
  -webkit-backdrop-filter: blur(var(--glass-blur-sm)) saturate(1.6);
  backdrop-filter: blur(var(--glass-blur-sm)) saturate(1.6);
  border-radius: var(--shape-full);
  box-shadow: var(--glass-shadow-sm);
  font-family: var(--font-code); font-size: 0.68rem; font-weight: 600;
  color: var(--on-surface-variant);
}
.hero__chip::before {
  content: ""; width: 7px; height: 7px; border-radius: 50%;
  background: var(--teal);
  animation: chipPulse 2.6s ease-in-out infinite;
}
.hero__chip--a { top: 20px; left: 20px; animation: floatY 7s ease-in-out infinite alternate; }
.hero__chip--b { bottom: 22px; right: 20px; animation: floatY 8s ease-in-out 1.2s infinite alternate; }
.hero__chip--b::before { background: var(--secondary); animation-delay: 0.6s; }

@keyframes floatY { from { transform: translateY(-4px); } to { transform: translateY(6px); } }
@keyframes chipPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgb(18 183 160 / 0.35); }
  50%      { box-shadow: 0 0 0 5px rgb(18 183 160 / 0); }
}

/* ---- Stats — one glass strip ------------------------------------------- */
.stats {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: clamp(20px, 4vw, 48px);
  width: var(--wrap); margin: clamp(28px, 4vw, 44px) auto 0;
  padding: 26px clamp(22px, 3vw, 36px);
  border-radius: var(--shape-xl);
}
.stat { display: grid; gap: 4px; justify-items: center; text-align: center; }
.stat strong {
  font-family: var(--font-display); font-weight: 700;
  font-size: 1.9rem; line-height: 1; color: var(--on-surface);
}
.stat span { color: var(--on-surface-variant); font-size: 0.88rem; max-width: 24ch; }

/* ---- About ------------------------------------------------------------- */
.about {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(300px, 0.8fr);
  gap: clamp(36px, 5vw, 72px); align-items: center;
}
.about__body h2 { margin-bottom: 22px; }
/* intro reads as a lead (matches hero/section leads): larger, light, airy */
.about__body .lead-statement {
  color: var(--on-surface); font-size: clamp(1.12rem, 1.6vw, 1.3rem);
  font-weight: 400; line-height: 1.55; letter-spacing: -0.003em;
}
.about__body p:not(.eyebrow) { color: var(--on-surface-variant); font-size: 1.05rem; line-height: 1.65; }
.about__body p + p { margin-top: 16px; }

/* stack card — glass pane with clear layer rows */
.stack-card {
  position: relative;
  padding: clamp(24px, 3vw, 32px);
  border-radius: var(--shape-xl);
  overflow: hidden;
}
.stack-card h3 {
  font-family: var(--font-display); font-weight: 700; font-size: 1.3rem;
  letter-spacing: 0.01em; color: var(--on-surface); margin: 0 0 16px;
}
.stack-layers { display: grid; gap: 8px; margin: 0; padding: 0; }
.stack-layers li {
  display: flex; align-items: center; gap: 13px; padding: 12px 15px;
  border: 1px solid var(--glass-border);
  background: var(--surface-container-high);
  border-radius: var(--shape-md); font-size: 0.93rem; font-weight: 520;
  color: var(--on-surface); list-style: none;
  box-shadow: inset 1px 1px 1px -0.5px rgb(255 255 255 / 0.5);
  transition: transform var(--dur-short) var(--ease), background var(--dur-short) var(--ease);
}
.stack-layers li:hover { transform: translateX(5px); background: var(--primary-container); }
.stack-layers li span {
  flex: 0 0 auto; width: 28px;
  font-family: var(--font-mono); font-size: 0.78rem; font-weight: 700;
  color: var(--primary);
}

/* ---- Capabilities marquee ------------------------------------------------ */
.marquee {
  overflow: hidden; padding: 16px 0; margin-top: clamp(40px, 5vw, 64px);
  border-top: 1px solid var(--outline-variant); border-bottom: 1px solid var(--outline-variant);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
}
.marquee__track {
  display: inline-flex; align-items: center; gap: 42px;
  width: max-content; white-space: nowrap;
  animation: marqueeScroll 38s linear infinite;
}
.marquee:hover .marquee__track { animation-play-state: paused; }
.marquee__track span {
  display: inline-flex; align-items: center; gap: 42px;
  color: var(--on-surface-faint);
  font-family: var(--font-display); font-weight: 700;
  font-size: 1.2rem; letter-spacing: 0.08em; text-transform: uppercase;
}
.marquee__track span::after {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: var(--aqua); opacity: 0.7;
}
@keyframes marqueeScroll { to { transform: translateX(-50%); } }

/* ---- Services (glass card grid) ------------------------------------------- */
.svc__aside { max-width: 760px; margin: 0 auto clamp(32px, 5vw, 52px); text-align: center; }

.service-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px;
}
.service-card {
  position: relative; overflow: hidden; isolation: isolate;
  display: flex; flex-direction: column;
  padding: clamp(22px, 2.4vw, 28px);
  border-radius: var(--shape-xl);
}
.service-card__head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.service-card__icon {
  width: 48px; height: 48px; display: grid; place-items: center;
  color: var(--on-primary-container); background: var(--primary-container);
  border: 1px solid var(--glass-border);
  border-radius: var(--shape-lg);
  box-shadow: inset 1px 1px 1px -0.5px rgb(255 255 255 / 0.5);
  transition: transform var(--dur-short) var(--ease), border-radius var(--dur-med) var(--ease);
}
/* M3 Expressive: the icon tile morphs shape on card hover */
.service-card:hover .service-card__icon { transform: translateY(-2px); border-radius: var(--shape-full); }
.service-card__num {
  font-family: var(--font-mono); font-weight: 700; font-size: 0.88rem;
  color: var(--primary);
}
.service-card h3 {
  font-family: var(--font-display); font-weight: 700; font-size: 1.22rem;
  letter-spacing: 0.01em; color: var(--on-surface);
  margin: 0 0 8px; line-height: 1.08;
}
.service-card p { margin: 0 0 16px; color: var(--on-surface-variant); font-size: 0.93rem; line-height: 1.55; }
.service-card .tag-list { margin: auto 0 0; padding-top: 14px; border-top: 1px solid var(--outline-variant); }

.tag-list { display: flex; flex-wrap: wrap; gap: 6px; margin: 0; padding: 0; list-style: none; }
.tag-list li {
  display: inline-flex; align-items: center; min-height: 26px; padding: 0 11px;
  border: 1px solid var(--glass-border); background: var(--surface-container);
  border-radius: var(--shape-full); color: var(--on-surface-variant);
  font-family: var(--font-code); font-size: 0.67rem; font-weight: 550;
}

/* ---- Process ----------------------------------------------------------------- */
.process-steps {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 13px;
  margin-top: clamp(32px, 4vw, 48px);
}
.process-step {
  position: relative; overflow: hidden;
  display: flex; flex-direction: column;
  padding: clamp(22px, 2.6vw, 28px);
  border-radius: var(--shape-xl);
}
.process-step__num {
  display: inline-grid; place-items: center; width: 44px; height: 44px; margin-bottom: 15px;
  border: 1px solid var(--glass-border);
  border-radius: var(--shape-full);
  background: var(--secondary-container); color: var(--on-secondary-container);
  box-shadow: inset 1px 1px 1px -0.5px rgb(255 255 255 / 0.5);
  font-family: var(--font-display); font-weight: 700; font-size: 1.25rem;
}
.process-step:nth-child(odd) .process-step__num {
  background: var(--primary-container); color: var(--on-primary-container);
}
.process-step h3 {
  font-family: var(--font-display); font-weight: 700; font-size: 1.3rem;
  letter-spacing: 0.01em; color: var(--on-surface); margin: 0 0 8px;
}
.process-step p { margin: auto 0 0; color: var(--on-surface-variant); font-size: 0.91rem; line-height: 1.55; }

/* ---- Industries (glass filter chips) --------------------------------------------- */
.industries { width: var(--wrap); margin: 0 auto; }
.ind-cloud {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 10px;
  max-width: 900px;
  margin: clamp(28px, 4vw, 40px) auto 0; padding: 0;
}
.ind-cloud li {
  position: relative; overflow: hidden; isolation: isolate;
  display: inline-flex; align-items: center; gap: 10px;
  min-height: 44px; padding: 0 18px;
  border: 1px solid var(--glass-border); background: var(--glass-bg);
  -webkit-backdrop-filter: blur(var(--glass-blur-sm)) saturate(1.6);
  backdrop-filter: blur(var(--glass-blur-sm)) saturate(1.6);
  box-shadow: var(--glass-shadow-sm);
  border-radius: var(--shape-full); list-style: none;
  color: var(--on-surface); font-size: 0.93rem; font-weight: 520;
  transition: transform var(--dur-short) var(--ease), border-color var(--dur-short) var(--ease),
    background var(--dur-short) var(--ease);
}
.ind-cloud li:hover {
  transform: translateY(-3px); border-color: var(--glass-border-hover);
  background: var(--primary-container);
}

/* ---- Why: bento of glass ------------------------------------------------------------ */
.bento { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: clamp(32px, 4vw, 48px); }
.why-card {
  position: relative; overflow: hidden;
  display: flex; flex-direction: column; gap: 14px;
  min-height: 210px; padding: clamp(24px, 3vw, 32px);
  border-radius: var(--shape-xl);
}
.why-card--xl { grid-column: span 2; }
.why-card--wide { grid-column: span 2; }

/* accent cell — same glass as its siblings, seen through a plum-tinted lens */
.why-card--accent {
  grid-column: span 2;
  background: linear-gradient(135deg, var(--secondary-container), transparent 65%), var(--glass-bg);
}
.why-card--accent .why-card__mark {
  background: var(--secondary-container); color: var(--on-secondary-container);
}

.why-card__mark {
  width: 50px; height: 50px; flex: 0 0 auto; margin-bottom: auto;
  display: grid; place-items: center;
  color: var(--on-primary-container); background: var(--primary-container);
  border: 1px solid var(--glass-border);
  border-radius: var(--shape-lg);
  box-shadow: inset 1px 1px 1px -0.5px rgb(255 255 255 / 0.5);
}
.why-card h3 {
  font-family: var(--font-display); font-weight: 700; font-size: 1.4rem;
  letter-spacing: 0.01em; color: var(--on-surface); line-height: 1.08;
}
.why-card--xl h3 { font-size: clamp(1.7rem, 2.6vw, 2.2rem); }
.why-card p { margin: 0; color: var(--on-surface-variant); line-height: 1.58; }
.why-card h3 + p { margin-top: -4px; }

/* ---- Feature (ezGeyser) — the plum glass board -------------------------------------- */
.feature {
  position: relative;
  width: var(--wrap); margin: 0 auto;
  padding: clamp(36px, 5vw, 64px); border-radius: var(--shape-xl);
  border: 1px solid rgb(255 255 255 / 0.2);
  background: linear-gradient(135deg, rgb(75 29 89 / 0.9), rgb(52 18 62 / 0.84));
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(1.5);
  backdrop-filter: blur(var(--glass-blur)) saturate(1.5);
  color: #f3edf5;
  box-shadow: inset 2.5px 2.5px 1.5px -2px rgb(255 255 255 / 0.5),
    inset -2.5px -2.5px 1.5px -2px rgb(255 255 255 / 0.25),
    inset 0 0 16px 6px rgb(255 255 255 / 0.05),
    0 28px 70px rgb(31 8 40 / 0.4);
  overflow: hidden;
}
.feature__inner {
  position: relative;
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(300px, 0.82fr);
  gap: clamp(32px, 5vw, 58px); align-items: center;
}
.feature h2 {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(2.5rem, 5vw, 4rem); line-height: 0.92; color: #ffffff;
}
.feature__tagline { margin: 13px 0 0; color: var(--aqua); font-size: 0.96rem; font-weight: 600; letter-spacing: 0.03em; }
.feature__body { margin: 20px 0 0; max-width: 54ch; color: rgb(243 237 245 / 0.82); font-size: 1.03rem; line-height: 1.62; }
.feature__chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 22px 0 0; padding: 0; list-style: none; }
.feature__chips li {
  display: inline-flex; align-items: center; min-height: 30px; padding: 0 13px;
  border: 1px solid rgb(255 255 255 / 0.18); background: rgb(255 255 255 / 0.07);
  border-radius: var(--shape-full); color: rgb(243 237 245 / 0.92);
  font-size: 0.78rem; font-weight: 520;
  box-shadow: inset 1px 1px 1px -0.5px rgb(255 255 255 / 0.3);
}
.feature__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
/* Filled buttons on the plum board flip to teal (inverse primary) */
.feature .btn--filled {
  background: linear-gradient(180deg, rgb(255 255 255 / 0.28), rgb(255 255 255 / 0) 55%), var(--teal);
  color: #06241f;
  box-shadow: inset 0 1px 1px rgb(255 255 255 / 0.45), inset 0 -1px 1px rgb(0 0 0 / 0.12),
    0 4px 14px rgb(18 183 160 / 0.4);
}
.feature .btn--filled:hover {
  box-shadow: inset 0 1px 1px rgb(255 255 255 / 0.55), inset 0 -1px 1px rgb(0 0 0 / 0.12),
    0 8px 24px rgb(18 183 160 / 0.45);
}
.feature .eyebrow { color: #f3edf5; opacity: 0.7; }

/* device mock — a clear lens floating inside the plum board */
.device-mock {
  position: relative;
  display: grid; gap: 14px; padding: 22px;
  border: 1px solid rgb(255 255 255 / 0.18);
  background: rgb(255 255 255 / 0.07);
  border-radius: var(--shape-lg);
  -webkit-backdrop-filter: blur(var(--glass-blur-sm));
  backdrop-filter: blur(var(--glass-blur-sm));
  box-shadow: inset 1.5px 1.5px 1px -1px rgb(255 255 255 / 0.4),
    inset -1.5px -1.5px 1px -1px rgb(255 255 255 / 0.2);
}
.device-mock__top { display: flex; align-items: center; justify-content: space-between; }
.device-mock__top span {
  font-family: var(--font-display); font-weight: 700; font-size: 1.4rem;
  letter-spacing: 0.02em; color: #ffffff;
}
.device-mock__top strong {
  display: inline-flex; align-items: center; gap: 7px;
  min-height: 30px; padding: 0 13px;
  background: var(--teal); color: #06241f;
  border-radius: var(--shape-full); font-size: 0.73rem; font-weight: 700;
  box-shadow: inset 0 1px 1px rgb(255 255 255 / 0.35);
}
.device-mock__top strong::before {
  content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor;
  animation: chipPulse 2.4s ease-in-out infinite;
}
.device-mock__readout { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.device-mock__readout div {
  padding: 14px; border: 1px solid rgb(255 255 255 / 0.16);
  background: rgb(255 255 255 / 0.06); border-radius: var(--shape-md);
  box-shadow: inset 1px 1px 1px -0.5px rgb(255 255 255 / 0.3);
}
.device-mock__readout span { display: block; font-size: 0.72rem; color: rgb(243 237 245 / 0.6); }
.device-mock__readout strong {
  display: block; margin-top: 6px; color: var(--aqua);
  font-family: var(--font-mono); font-size: 1.4rem; font-weight: 700;
}
.device-mock__bars {
  display: grid; grid-template-columns: repeat(7, 1fr);
  align-items: end; gap: 8px; height: 90px;
}
.device-mock__bars span {
  display: block;
  background: linear-gradient(180deg, rgb(255 255 255 / 0.3), rgb(255 255 255 / 0) 50%), var(--teal);
  border-radius: var(--shape-sm) var(--shape-sm) var(--shape-xs) var(--shape-xs);
  box-shadow: inset 0 1px 1px rgb(255 255 255 / 0.4);
  animation: barBreath 3.6s ease-in-out infinite;
  transform-origin: bottom;
  transition: height 1.1s var(--ease); /* live telemetry re-levels smoothly */
}
.device-mock__bars span:nth-child(1) { height: 42%; }
.device-mock__bars span:nth-child(2) { height: 66%; animation-delay: 150ms; }
.device-mock__bars span:nth-child(3) { height: 86%; animation-delay: 300ms; }
.device-mock__bars span:nth-child(4) { height: 54%; animation-delay: 450ms; }
.device-mock__bars span:nth-child(5) { height: 92%; animation-delay: 600ms; }
.device-mock__bars span:nth-child(6) { height: 48%; animation-delay: 750ms; }
.device-mock__bars span:nth-child(7) { height: 72%; animation-delay: 900ms; }

@keyframes barBreath {
  0%, 100% { transform: scaleY(1); opacity: 0.85; }
  50%      { transform: scaleY(0.82); opacity: 1; }
}

/* ---- Accordion — stacked glass panes -------------------------------------------------- */
.accordion { display: grid; gap: 12px; margin: clamp(28px, 4vw, 40px) auto 0; max-width: 860px; }
.accordion__item { border-radius: var(--shape-lg); overflow: hidden; }
.accordion__item.is-open { border-color: var(--glass-border-hover); box-shadow: var(--glass-shadow-hover); }
.accordion__trigger {
  position: relative; overflow: hidden; isolation: isolate;
  display: flex; align-items: center; justify-content: space-between; gap: 18px;
  width: 100%; padding: 20px 24px; border: 0; background: transparent;
  cursor: pointer; text-align: left;
  font-family: var(--font-display); font-weight: 700; font-size: 1.2rem;
  letter-spacing: 0.01em; color: var(--on-surface);
}
.accordion__trigger .plus { flex: 0 0 auto; position: relative; width: 16px; height: 16px; }
.accordion__trigger .plus::before, .accordion__trigger .plus::after {
  content: ""; position: absolute; background: var(--primary); border-radius: 2px;
  transition: transform 0.24s var(--ease), opacity 0.24s var(--ease);
}
.accordion__trigger .plus::before { top: 7px; left: 0; width: 16px; height: 2px; }
.accordion__trigger .plus::after { top: 0; left: 7px; width: 2px; height: 16px; }
.accordion__item.is-open .plus::after { transform: scaleY(0); opacity: 0; }
.accordion__panel { display: grid; grid-template-rows: 0fr; transition: grid-template-rows 0.28s var(--ease); }
.accordion__item.is-open .accordion__panel { grid-template-rows: 1fr; }
.accordion__panel > div { overflow: hidden; }
.accordion__panel p {
  margin: 0; padding: 0 24px 22px; color: var(--on-surface-variant); line-height: 1.6; max-width: 70ch;
  opacity: 0; transition: opacity 0.3s var(--ease) 0.06s;
}
.accordion__item.is-open .accordion__panel p { opacity: 1; }

/* ---- CTA — one bright pane ------------------------------------------------------------ */
.cta {
  position: relative;
  width: var(--wrap); margin: 0 auto;
  padding: clamp(48px, 6.5vw, 88px) clamp(26px, 5vw, 60px);
  background: var(--glass-bg-strong);
  border-radius: var(--shape-xl); text-align: center;
  overflow: hidden;
}
.cta h2 {
  position: relative;
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(2.1rem, 4.6vw, 3.6rem); line-height: 0.96; text-transform: uppercase;
  letter-spacing: 0.01em; color: var(--secondary); max-width: 18ch; margin: 0 auto;
}
.cta p {
  position: relative; max-width: 58ch; margin: 20px auto 0;
  color: var(--on-surface-variant); font-size: 1.05rem; line-height: 1.6;
}
.cta__actions { position: relative; display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-top: 32px; }

/* ---- Contact ---------------------------------------------------------------------------- */
.contact {
  display: grid; grid-template-columns: minmax(0, 0.86fr) minmax(340px, 1fr);
  gap: clamp(36px, 5vw, 64px); align-items: start;
}
.contact__info h2 { margin-bottom: 18px; }
.contact__info .lead {
  margin: 0 0 28px; color: var(--on-surface-variant);
  font-size: 1.05rem; line-height: 1.6; max-width: 44ch;
}
.contact__list { display: grid; gap: 2px; margin: 0; padding: 0; list-style: none; }
.contact__list li { display: flex; gap: 15px; padding: 18px 0; border-top: 1px solid var(--outline-variant); }
.contact__list li:first-child { border-top: 0; padding-top: 0; }
.contact__list .ic {
  flex: 0 0 auto; width: 44px; height: 44px; display: grid; place-items: center;
  color: var(--on-primary-container); background: var(--primary-container);
  border: 1px solid var(--glass-border);
  border-radius: var(--shape-lg);
  box-shadow: inset 1px 1px 1px -0.5px rgb(255 255 255 / 0.5);
}
.contact__list span {
  display: block; font-size: 0.72rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.11em; color: var(--on-surface-variant);
}
.contact__list strong { display: block; margin-top: 5px; color: var(--on-surface); font-size: 0.97rem; font-weight: 520; line-height: 1.46; }
.contact__list a:hover { color: var(--primary); }

/* form — glass card with rounded glass wells (Prism 3.0 text fields) */
.form-card {
  padding: clamp(26px, 3vw, 36px);
  border-radius: var(--shape-xl);
}
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 13px; }
.field {
  position: relative; display: grid; gap: 2px;
  padding: 10px 16px 9px;
  border: 1px solid var(--glass-border); border-radius: var(--shape-lg);
  background: var(--glass-bg-strong);
  -webkit-backdrop-filter: blur(var(--glass-blur-sm)) saturate(1.6);
  backdrop-filter: blur(var(--glass-blur-sm)) saturate(1.6);
  box-shadow: var(--glass-shadow-sm);
  transition: border-color var(--dur-short) var(--ease), box-shadow var(--dur-short) var(--ease);
}
.field:focus-within {
  border-color: var(--primary);
  box-shadow: var(--glass-shadow-sm), 0 0 0 3px color-mix(in srgb, var(--primary) 25%, transparent);
}
.field--full { grid-column: 1 / -1; }
.field label {
  font-size: 0.74rem; font-weight: 600; color: var(--on-surface-variant);
  transition: color var(--dur-short) var(--ease);
}
.field:focus-within label { color: var(--primary); }
.field input, .field select, .field textarea {
  width: 100%; padding: 0; border: 0; background: transparent;
  color: var(--on-surface);
}
.field input:focus, .field select:focus, .field textarea:focus { outline: none; }
.field input, .field select { height: 34px; }
/* Native <select> fallback (no-JS, or if the enhancer below fails to run):
   the OS-drawn popup can't inherit our glass "transparent" background (that
   just falls back to browser-default white), so give it an explicit,
   opaque, theme-aware fill — legible everywhere, if visually plain. */
.field select option {
  background: var(--surface); color: var(--on-surface);
}

/* ---- Glass select (progressive enhancement over <select>, see app.js) ----
   Native <select> popups are drawn by the OS, not the page, so they can
   never really match our glass system (rounded corners, blur, teal accents)
   — confirmed: even browsers that accept `appearance: base-select` in the
   stylesheet don't reliably render a custom popup from it. This is a real
   HTML/CSS listbox we fully control, so it matches the theme exactly. */
.select-glass { position: relative; }
.select-glass__trigger {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  width: 100%; height: 34px; padding: 0; border: 0; background: transparent;
  color: var(--on-surface); font: inherit; text-align: left; cursor: pointer;
}
.select-glass__chevron {
  flex: 0 0 auto; width: 10px; height: 10px; margin-top: -2px;
  border-right: 2px solid var(--on-surface-variant); border-bottom: 2px solid var(--on-surface-variant);
  transform: rotate(45deg); transition: transform var(--dur-short) var(--ease);
}
.select-glass.is-open .select-glass__chevron { transform: rotate(225deg); margin-top: 2px; }

.select-glass__list {
  /* position: fixed + appended to <body> on open (see app.js): every glass
     .field establishes its own stacking context (backdrop-filter does that
     by spec), which traps a same-context z-index and stops it from ever
     beating a LATER sibling field — no z-index value fixes that from
     inside. Escaping to <body> sidesteps the trap entirely. */
  position: fixed; z-index: 1000;
  margin: 0; padding: 6px; list-style: none; max-height: 280px; overflow-y: auto;
  border: 1px solid var(--glass-border); border-radius: var(--shape-lg);
  background: var(--glass-bg-strong);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(1.8);
  backdrop-filter: blur(var(--glass-blur)) saturate(1.8);
  box-shadow: var(--glass-shadow);
}
.select-glass__option {
  padding: 10px 12px; border-radius: var(--shape-sm);
  color: var(--on-surface); font-size: 0.95rem; cursor: pointer;
  transition: background var(--dur-short) var(--ease), color var(--dur-short) var(--ease);
}
.select-glass__option:hover,
.select-glass__option:focus,
.select-glass__option[aria-selected="true"] {
  background: var(--primary-container); color: var(--on-primary-container); outline: none;
}
.select-glass__native-hidden {
  position: absolute; opacity: 0; pointer-events: none; width: 1px; height: 1px;
}
.field textarea { min-height: 108px; padding: 4px 0 0; resize: vertical; }
.field input::placeholder, .field textarea::placeholder { color: var(--on-surface-faint); opacity: 1; }

.form-card .btn { margin-top: 20px; width: 100%; }
.form-note { margin: 13px 0 0; color: var(--on-surface-variant); font-size: 0.84rem; text-align: center; }
.form-status {
  margin: 13px 0 0; padding: 13px 16px;
  border: 1px solid var(--glass-border); background: var(--primary-container);
  border-radius: var(--shape-lg); color: var(--on-primary-container);
  -webkit-backdrop-filter: blur(var(--glass-blur-sm)) saturate(1.6);
  backdrop-filter: blur(var(--glass-blur-sm)) saturate(1.6);
  box-shadow: var(--glass-shadow-sm);
  font-weight: 550; font-size: 0.92rem;
}
.form-status--error { background: var(--warning-container); color: var(--warning); }
.form-status[hidden] { display: none; }

/* ---- Footer -------------------------------------------------------------------------------- */
.site-footer { margin-top: clamp(48px, 7vw, 96px); padding-bottom: 8px; }
.site-footer .spectrum-rule { margin-bottom: clamp(36px, 5vw, 56px); }
.footer-main {
  display: grid; grid-template-columns: minmax(0, 1.4fr) repeat(2, minmax(0, 1fr));
  gap: clamp(30px, 5vw, 60px);
  width: var(--wrap); margin: 0 auto;
  padding: 0 0 clamp(28px, 4vw, 40px);
}
.footer-brand p { margin: 18px 0 0; max-width: 44ch; color: var(--on-surface-variant); font-size: 0.93rem; line-height: 1.6; }
.footer-brand .brand-full { height: 46px; width: auto; }
.footer-col h4 {
  margin: 0 0 16px;
  font-family: var(--font-display); font-size: 0.88rem; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--primary);
}
.footer-col ul { display: grid; gap: 11px; margin: 0; padding: 0; list-style: none; }
.footer-col a, .footer-col span { color: var(--on-surface-variant); font-size: 0.92rem; transition: color var(--dur-short) var(--ease); }
.footer-col a:hover { color: var(--on-surface); }
.footer-bottom { border-top: 1px solid var(--outline-variant); }
.footer-bottom__inner {
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px;
  width: var(--wrap); margin: 0 auto; padding: 20px 0;
  color: var(--on-surface-variant); font-size: 0.87rem;
}
.footer-bottom__inner strong {
  font-family: var(--font-display); font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--secondary);
}
.footer-bottom__inner span:last-child { font-family: var(--font-code); font-size: 0.78rem; color: var(--on-surface-variant); }

/* ---- Snackbar — floating glass capsule -------------------------------------------------------- */
.toast {
  position: fixed; right: 20px; bottom: 20px; z-index: 60;
  display: flex; align-items: center; gap: 8px;
  padding: 14px 22px;
  border: 1px solid rgb(255 255 255 / 0.16);
  border-radius: var(--shape-full);
  background: color-mix(in srgb, var(--inverse-surface) 82%, transparent);
  color: var(--inverse-on-surface);
  -webkit-backdrop-filter: blur(var(--glass-blur-sm)) saturate(1.5);
  backdrop-filter: blur(var(--glass-blur-sm)) saturate(1.5);
  box-shadow: inset 1px 1px 1px -0.5px rgb(255 255 255 / 0.4), var(--elev-3);
  font-family: var(--font-body); font-size: 0.9rem; font-weight: 500;
  transform: translateY(20px); opacity: 0; pointer-events: none;
  transition: transform 0.25s var(--ease-decel), opacity 0.25s var(--ease-decel);
}
.toast::before {
  content: ""; width: 8px; height: 8px; border-radius: var(--shape-full);
  background: var(--inverse-primary);
}
.toast.is-visible { transform: translateY(0); opacity: 1; }

/* ---- Reveal (progressive; armed only when IO works) -------------------------------------------- */
@media (prefers-reduced-motion: no-preference) {
  .reveal-armed .reveal {
    opacity: 0; transform: translateY(22px);
    transition: opacity 0.7s var(--ease-decel), transform 0.7s var(--ease-decel);
  }
  .reveal-armed .reveal.is-in { opacity: 1; transform: none; }
  .reveal-armed .reveal[data-delay="1"] { transition-delay: 0.07s; }
  .reveal-armed .reveal[data-delay="2"] { transition-delay: 0.14s; }
  .reveal-armed .reveal[data-delay="3"] { transition-delay: 0.21s; }
  .reveal-armed .reveal[data-delay="4"] { transition-delay: 0.28s; }

  /* grid cascade: cards stagger in by column */
  .reveal-armed .service-grid .reveal:nth-child(3n+2) { transition-delay: 0.08s; }
  .reveal-armed .service-grid .reveal:nth-child(3n+3) { transition-delay: 0.16s; }
  .reveal-armed .bento .reveal:nth-child(2) { transition-delay: 0.08s; }
  .reveal-armed .bento .reveal:nth-child(3) { transition-delay: 0.16s; }
  .reveal-armed .bento .reveal:nth-child(5) { transition-delay: 0.1s; }
}

/* ---- Motion layer: load choreography + ambient light + hover glints ------
   Motivated motion only (hierarchy, storytelling, feedback). Everything sits
   under prefers-reduced-motion: no-preference; the reduce block below stays
   the kill-switch. Load choreography is additionally gated on .reveal-armed
   (JS + IntersectionObserver confirmed), so content can never get stuck
   hidden. */
@media (prefers-reduced-motion: no-preference) {
  /* ambient: the aurora breathes slowly behind the glass */
  body::before {
    animation: auroraDrift 70s ease-in-out infinite alternate;
    will-change: transform;
  }
  @keyframes auroraDrift {
    from { transform: translate3d(-1.5%, -1%, 0) scale(1.08); }
    to   { transform: translate3d(1.5%, 1.2%, 0) scale(1.14); }
  }

  /* ambient: light glides along the spectrum signature */
  .spectrum-rule {
    background-size: 220% 100%;
    animation: spectrumSlide 16s ease-in-out infinite alternate;
  }
  @keyframes spectrumSlide {
    from { background-position: 0% 50%; }
    to   { background-position: 100% 50%; }
  }

  /* load: the capsule header drops in once (motion-go = fonts settled).
     While armed-but-not-started it stays hidden, so it can't paint visible
     and then restart its entrance (the cold-load header blink). */
  .reveal-armed:not(.motion-go) .site-header { opacity: 0; }
  .motion-go .site-header { animation: headerDrop 0.6s var(--ease-decel) both; }
  @keyframes headerDrop { from { opacity: 0; transform: translateY(-16px); } }

  /* load: hero content rises into focus (blur -> sharp) */
  .reveal-armed .hero .reveal {
    transform: translateY(26px);
    filter: blur(6px);
    transition: opacity 0.8s var(--ease-decel), transform 0.8s var(--ease-decel),
      filter 0.8s var(--ease-decel);
  }
  .reveal-armed .hero .reveal.is-in { transform: none; filter: blur(0); }
  .reveal-armed .hero__visual.reveal { transform: translateY(18px) scale(0.97); }
  .reveal-armed .hero__visual.reveal.is-in { transform: none; }

  /* load: telemetry chips fade up after the pane settles
     (their idle float owns transform, so only opacity is choreographed) */
  .reveal-armed .hero__chip { opacity: 0; transition: opacity 0.6s var(--ease-decel); }
  .reveal-armed .hero__visual.is-in .hero__chip--a { opacity: 1; transition-delay: 0.55s; }
  .reveal-armed .hero__visual.is-in .hero__chip--b { opacity: 1; transition-delay: 0.75s; }

  /* hover feedback: a specular glint sweeps across the glass pane */
  .service-card::after,
  .process-step::after,
  .why-card::after {
    content: ""; position: absolute; top: -12%; bottom: -12%; left: 0; width: 44%;
    z-index: 2; pointer-events: none;
    background: linear-gradient(105deg, transparent, rgb(255 255 255 / 0.16), transparent);
    transform: translateX(-160%) skewX(-16deg);
    opacity: 0;
  }
  .service-card:hover::after,
  .process-step:hover::after,
  .why-card:hover::after { animation: glassGlint 0.9s var(--ease) forwards; }
  @keyframes glassGlint {
    0%   { transform: translateX(-160%) skewX(-16deg); opacity: 0; }
    25%  { opacity: 1; }
    100% { transform: translateX(340%) skewX(-16deg); opacity: 0; }
  }

  /* hover feedback: filled buttons lift toward the light */
  .btn--filled:hover { transform: translateY(-1px); }

  /* load: headline words materialize in place, one by one — opacity and
     focus only, zero positional motion (JS splits into .w spans; without JS
     the h1 falls back to the plain hero reveal above) */
  .reveal-armed .hero h1.is-split { transform: none; filter: none; }
  .reveal-armed .hero h1 .w {
    display: inline-block;
    opacity: 0; filter: blur(5px);
    transition: opacity 0.55s var(--ease-decel), filter 0.55s var(--ease-decel);
    transition-delay: calc(var(--wi) * 65ms + 0.12s);
  }
  .reveal-armed .hero h1.is-in .w { opacity: 1; filter: none; }
  /* per-character decode cells: fixed slots, centered glyphs */
  .hero h1 .w .c { display: inline-block; text-align: center; }
}

/* ---- Theme wipe (View Transitions API; inert in unsupporting browsers) --- */
::view-transition-old(root),
::view-transition-new(root) { animation: none; mix-blend-mode: normal; }
html.theme-wiping * { transition: none !important; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
  .marquee__track { animation: none; }
  .ripple { display: none; }
}

/* ---- Responsive --------------------------------------------------------------------------------- */
@media (max-width: 1040px) {
  .hero, .about, .feature__inner, .contact { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .hero { min-height: auto; }
  .hero__visual { order: -1; min-height: 300px; }
  /* stacked hero: pane on top, copy centered beneath it */
  .hero__copy { text-align: center; }
  .hero h1, .hero__lead { margin-left: auto; margin-right: auto; }
  .hero__actions { justify-content: center; }
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .process-steps { grid-template-columns: repeat(2, 1fr); }
  .bento { grid-template-columns: repeat(2, 1fr); }
  .why-card--xl, .why-card--wide, .why-card--accent { grid-column: span 2; }
  .footer-main { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 860px) {
  .nav-links {
    position: fixed; top: 84px; left: 12px; right: 12px; z-index: 39;
    flex-direction: column; align-items: stretch; gap: 4px;
    padding: 10px;
    border: 1px solid var(--glass-border);
    border-radius: var(--shape-xl);
    background: var(--header-bg);
    -webkit-backdrop-filter: blur(26px) saturate(1.8);
    backdrop-filter: blur(26px) saturate(1.8);
    box-shadow: var(--glass-shadow);
    transform: translateY(-10px); opacity: 0; pointer-events: none;
    transition: transform 0.24s var(--ease), opacity 0.24s var(--ease);
  }
  .nav-links.is-open { transform: none; opacity: 1; pointer-events: auto; }
  .nav-links a { padding: 14px 16px; color: var(--on-surface); }
  .nav-cta { display: none; }
  .nav-toggle { display: grid; place-items: center; }
  .theme-toggle__label { display: none; }
}

@media (max-width: 640px) {
  .stats { grid-template-columns: 1fr; gap: 18px; }
  .form-grid, .service-grid, .process-steps, .bento { grid-template-columns: 1fr; }
  .why-card--xl, .why-card--wide, .why-card--accent { grid-column: auto; }
  .hero__actions, .cta__actions, .feature__actions { flex-direction: column; align-items: stretch; }
  .hero__actions .btn, .cta__actions .btn, .feature__actions .btn { width: 100%; }
  .hero__visual { min-height: 240px; }
  .hero__chip--a { top: 12px; left: 12px; }
  .hero__chip--b { bottom: 14px; right: 12px; }
  .footer-main { grid-template-columns: 1fr; }
  .footer-bottom__inner { flex-direction: column; align-items: flex-start; }
}