/* ============================================================
   INSTRUMENT — SevaSangraha HMS
   Technical · precise · vibrant
   ============================================================ */

:root {
  --bg:        #F7F8FC;
  --bg-2:      #EEF1F8;
  --paper:     #FFFFFF;
  --ink:       #0D1117;
  --ink-2:     #1A2332;
  --ink-dim:   #64748B;
  --line:      rgba(13,17,23,0.08);
  --line-2:    rgba(13,17,23,0.16);

  --accent:    #0ABFBC;
  --accent-2:  #0284C7;
  --accent-bg: rgba(10, 191, 188, 0.08);
  --accent-dark: #0891B2;
  --grad:      linear-gradient(135deg, #0ABFBC 0%, #0284C7 100%);
  --grad-soft: linear-gradient(135deg, rgba(10,191,188,0.12) 0%, rgba(2,132,199,0.08) 100%);

  --warn:      #F59E0B;
  --ok:        #10B981;

  --sans:    "Geist", ui-sans-serif, system-ui, -apple-system, sans-serif;
  --mono:    "Geist Mono", ui-monospace, "JetBrains Mono", monospace;
  --serif-it: "Instrument Serif", ui-serif, Georgia, serif;

  --container: 1320px;
  --gutter: clamp(20px, 4vw, 56px);

  --shadow-sm: 0 1px 3px rgba(13,17,23,0.06), 0 4px 12px rgba(13,17,23,0.04);
  --shadow-md: 0 4px 16px rgba(13,17,23,0.08), 0 1px 3px rgba(13,17,23,0.04);
  --shadow-lg: 0 16px 48px rgba(13,17,23,0.12), 0 4px 16px rgba(13,17,23,0.06);
  --shadow-accent: 0 8px 32px rgba(10,191,188,0.20);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body.instrument {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: geometricPrecision;
}

a { color: inherit; text-decoration: none; }
a:hover { color: var(--ink); }

.mono { font-family: var(--mono); font-size: 11px; letter-spacing: 0.04em; text-transform: uppercase; font-weight: 500; }
.mono.small { font-size: 10px; }
.dim { color: var(--ink-dim); }

.serif-it { font-family: var(--serif-it); font-style: italic; font-weight: 400; letter-spacing: -0.005em; color: var(--accent); }

/* ===== NAV ===== */
.nav {
  position: sticky; top: 0; z-index: 50;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  padding: 14px var(--gutter);
  background: color-mix(in oklab, var(--bg) 90%, transparent);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}
.brand { display: inline-flex; align-items: center; gap: 8px; color: var(--ink); }
.brand__mark { color: var(--ink); display: inline-grid; place-items: center; }
.brand__name { font-weight: 600; font-size: 15px; letter-spacing: -0.01em; }
.brand__tag { color: var(--ink-dim); margin-left: 2px; }

.nav__links { display: flex; gap: 24px; justify-content: center; font-size: 13.5px; font-weight: 500; }
.nav__links a { color: var(--ink-dim); transition: color .15s; }
.nav__links a:hover { color: var(--ink); }
.nav__cta { display: flex; gap: 6px; align-items: center; }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  font: 500 13px/1 var(--sans);
  padding: 9px 14px;
  border-radius: 8px;
  border: 1px solid transparent;
  transition: all .18s ease;
  white-space: nowrap;
  letter-spacing: -0.005em;
}
.btn .arr { font-family: var(--mono); font-weight: 400; transition: transform .2s; }
.btn:hover .arr { transform: translateX(3px); }

.btn--solid {
  background: var(--grad);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 2px 8px rgba(10,191,188,0.30);
}
.btn--solid:hover {
  background: linear-gradient(135deg, #09ADB0 0%, #0275B3 100%);
  box-shadow: var(--shadow-accent);
  transform: translateY(-1px);
  color: #fff;
}

.btn--ghost {
  color: var(--ink);
  border-color: var(--line-2);
  background: var(--paper);
}
.btn--ghost:hover {
  background: var(--bg-2);
  border-color: rgba(10,191,188,0.4);
}

.btn--text { padding: 9px 4px; color: var(--ink); border-radius: 0; border-bottom: 1px solid var(--line-2); background: none; }
.btn--text:hover { color: var(--accent); border-color: var(--accent); }
.btn--lg { padding: 14px 24px; font-size: 15px; border-radius: 10px; font-weight: 600; }

.btn--outline {
  background: transparent;
  border-color: var(--accent);
  color: var(--accent);
}
.btn--outline:hover {
  background: var(--accent-bg);
}

/* ===== HERO ===== */
.hero {
  position: relative;
  padding: 80px var(--gutter) 64px;
  overflow: hidden;
}
.grid-bg {
  position: absolute; inset: 0; z-index: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 0%, #000 20%, transparent 75%);
}
/* Glow blob behind headline */
.hero::after {
  content: '';
  position: absolute;
  top: -80px; left: 50%; transform: translateX(-50%);
  width: 800px; height: 500px;
  background: radial-gradient(ellipse, rgba(10,191,188,0.14) 0%, rgba(2,132,199,0.08) 40%, transparent 70%);
  z-index: 0;
  pointer-events: none;
}
.hero__inner { position: relative; z-index: 1; max-width: var(--container); margin: 0 auto; }
.hero__eyebrow { display: flex; gap: 14px; align-items: center; margin-bottom: 36px; flex-wrap: wrap; }

.status {
  display: inline-flex; gap: 8px; align-items: center;
  padding: 5px 12px;
  border: 1px solid rgba(10,191,188,0.3);
  border-radius: 100px;
  background: rgba(10,191,188,0.06);
}
.status__pulse {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 0 3px rgba(16,185,129,0.25);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(16,185,129,0.25); }
  50%       { box-shadow: 0 0 0 7px rgba(16,185,129,0.08); }
}

.display {
  font-weight: 400;
  font-size: clamp(44px, 6.6vw, 96px);
  line-height: 1.0;
  letter-spacing: -0.04em;
  margin: 0 0 28px;
  text-wrap: balance;
}
.display .serif-it {
  font-size: 0.92em;
  letter-spacing: -0.02em;
  display: inline-block;
}
.lede {
  font-size: clamp(17px, 1.3vw, 19px);
  line-height: 1.55;
  color: var(--ink-dim);
  max-width: 56ch;
  margin: 0 0 36px;
}
.hero__cta { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; margin-bottom: 64px; }

.hero__readout {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 0;
  background: var(--paper);
  border: 1px solid var(--line-2);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.readout__col {
  padding: 20px 24px;
  border-right: 1px solid var(--line);
}
.readout__col:nth-child(1) { padding-left: 24px; }
.readout__col:not(:nth-child(1)) { padding-left: 24px; }
.readout__col:last-child { border-right: 0; }
.readout__lbl { margin-bottom: 8px; }
.readout__val { font-size: 30px; font-weight: 600; letter-spacing: -0.03em; line-height: 1; color: var(--ink); }
.readout__val span { color: var(--ink-dim); font-size: 18px; margin-left: 2px; }
.readout__bar { margin-top: 12px; height: 3px; background: var(--line); position: relative; overflow: hidden; border-radius: 2px; }
.readout__bar i { position: absolute; inset: 0 auto 0 0; background: var(--grad); display: block; border-radius: 2px; }

/* ===== PRODUCT HERO SHOT ===== */
.ph { max-width: var(--container); margin: 0 auto; padding: 32px var(--gutter) 96px; }
.ph__head { margin-bottom: 16px; }

.ph__chrome {
  background: var(--paper);
  border: 1px solid var(--line-2);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.chrome__bar {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
  background: color-mix(in oklab, var(--paper) 70%, var(--bg-2));
  font-size: 12px;
}
.chrome__bar .dot { width: 10px; height: 10px; border-radius: 50%; background: var(--line-2); }
.chrome__bar .d1 { background: #E5847A; }
.chrome__bar .d2 { background: #E5C47A; }
.chrome__bar .d3 { background: #84B49A; }
.chrome__url {
  margin-left: 14px;
  padding: 5px 12px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 5px;
  flex: 1;
  max-width: 420px;
  font-size: 11px;
  color: var(--ink-dim);
  text-transform: none;
  letter-spacing: 0;
}
.chrome__act { color: var(--ink-dim); }

.chrome__app {
  display: grid;
  grid-template-columns: 220px 1fr;
  min-height: 540px;
}
.app__side {
  border-right: 1px solid var(--line);
  padding: 18px 14px;
  background: var(--bg);
  display: flex; flex-direction: column; gap: 2px;
}
.app__brand { display: flex; gap: 8px; align-items: center; font-weight: 500; font-size: 14px; padding: 0 6px 12px; border-bottom: 1px solid var(--line); margin-bottom: 10px; }
.app__logo { width: 22px; height: 22px; border-radius: 5px; background: var(--grad); color: #fff; display: grid; place-items: center; font: 600 9px var(--mono); }
.app__group { padding: 10px 6px 4px; }
.app__side a { padding: 6px 10px; border-radius: 6px; color: var(--ink-dim); cursor: pointer; font-size: 13px; transition: all .15s; }
.app__side a:hover { background: var(--paper); color: var(--ink); }
.app__side a.active { background: rgba(10,191,188,0.1); color: var(--accent-dark); font-weight: 500; }
.app__main { padding: 24px 28px; }
.app__head { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 22px; }
.app__head h3 { font-weight: 600; font-size: 22px; margin: 4px 0 0; letter-spacing: -0.025em; }
.app__chips { display: flex; gap: 4px; }
.chip { font: 500 11px var(--mono); padding: 6px 10px; border-radius: 20px; border: 1px solid var(--line-2); color: var(--ink-dim); }
.chip--on { background: var(--grad); color: #fff; border-color: transparent; }

.app__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.metric, .panel {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px 16px;
  background: var(--paper);
  box-shadow: var(--shadow-sm);
}
.metric__h { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 8px; }
.metric__d { font: 500 11px var(--mono); color: var(--ink-dim); }
.metric__d.up { color: var(--ok); }
.metric__n { font-size: 28px; font-weight: 600; letter-spacing: -0.025em; line-height: 1; color: var(--ink); }
.metric__u { color: var(--ink-dim); font-size: 18px; }
.spark { width: 100%; height: 24px; margin-top: 10px; }
.spark polyline { fill: none; stroke: var(--accent); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

.panel--wide { grid-column: span 2; }
.panel__h { display: flex; justify-content: space-between; padding-bottom: 10px; border-bottom: 1px dashed var(--line); margin-bottom: 12px; }
.staff { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; }
.staff > div { display: flex; flex-direction: column; gap: 4px; padding: 4px 0; }
.staff b { font-size: 22px; font-weight: 600; letter-spacing: -0.025em; color: var(--accent-dark); }
.staff__s { color: var(--ink-dim); font-size: 14px; font-weight: 400; }

.appts { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 0; font-size: 12px; }
.appts li { display: grid; grid-template-columns: 60px 1fr 80px 1fr 90px; gap: 10px; padding: 8px 0; border-top: 1px dashed var(--line); align-items: center; }
.appts li:first-child { border-top: 0; }
.tag { font: 500 10px var(--mono); padding: 3px 7px; border-radius: 20px; background: var(--bg-2); color: var(--ink-dim); justify-self: end; }
.tag--ok { background: rgba(16,185,129,0.12); color: #059669; }

/* ===== SECTION HEAD ===== */
.sect__head { max-width: var(--container); margin: 0 auto; padding: 80px var(--gutter) 40px; }
.sect__head .mono { display: inline-block; margin-bottom: 18px; padding: 4px 12px; border: 1px solid rgba(10,191,188,0.3); border-radius: 100px; background: var(--accent-bg); color: var(--accent-dark); }
.title {
  font-weight: 400;
  font-size: clamp(30px, 4vw, 56px);
  line-height: 1.04;
  letter-spacing: -0.035em;
  margin: 0;
  text-wrap: balance;
  max-width: 22ch;
}
.sect__lede { font-size: 17px; color: var(--ink-dim); max-width: 54ch; margin: 16px 0 0; }

/* ===== PILLARS ===== */
.pillars { padding-bottom: 80px; }
.pillars__grid {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  border-top: none;
}
.pillar {
  padding: 32px 28px;
  border: 1px solid var(--line-2);
  border-radius: 16px;
  display: flex; flex-direction: column; gap: 14px;
  background: var(--paper);
  box-shadow: var(--shadow-sm);
  transition: all .25s ease;
}
.pillar:hover {
  box-shadow: var(--shadow-md), 0 0 0 1px rgba(10,191,188,0.2);
  transform: translateY(-2px);
}
.pillar__num { color: var(--accent); font-size: 32px; font-weight: 700; letter-spacing: -0.02em; line-height: 1; }
.pillar h3 { font-weight: 600; font-size: 22px; line-height: 1.15; letter-spacing: -0.02em; margin: 0; }
.pillar p { color: var(--ink-dim); margin: 0; max-width: 38ch; font-size: 14.5px; }

/* ===== MODULES ===== */
.modules { padding-bottom: 96px; }
.modules__grid {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  border-top: none;
}
.mod {
  padding: 22px 20px;
  border: 1px solid var(--line);
  border-radius: 12px;
  display: flex; flex-direction: column; gap: 10px;
  cursor: pointer;
  background: var(--paper);
  transition: all .2s ease;
  box-shadow: var(--shadow-sm);
}
.mod:hover {
  border-color: rgba(10,191,188,0.4);
  box-shadow: var(--shadow-md), 0 0 0 1px rgba(10,191,188,0.15);
  transform: translateY(-2px);
}
.mod__h { display: flex; justify-content: space-between; align-items: baseline; }
.mod b { font-weight: 600; font-size: 17px; letter-spacing: -0.015em; }
.mod span { font-size: 13px; color: var(--ink-dim); line-height: 1.5; }

/* ===== DEMO ===== */
.demo { padding-bottom: 96px; }
.demo__stage { max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter); display: grid; grid-template-columns: 320px 1fr; gap: 48px; align-items: start; }
.demo__rail { display: flex; flex-direction: column; gap: 0; position: sticky; top: 80px; border-top: 1px solid var(--line-2); }
.demo__step {
  display: grid;
  grid-template-columns: 56px 1fr auto;
  gap: 12px; align-items: baseline;
  padding: 14px 14px 14px 0;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--line);
  text-align: left; cursor: pointer;
  font: 500 14px var(--sans);
  color: var(--ink-dim);
  transition: all .2s ease;
  border-radius: 0;
}
.demo__step .arr { color: var(--ink-dim); font-family: var(--mono); }
.demo__step:hover { color: var(--ink); background: var(--bg-2); padding-left: 14px; border-radius: 8px; }
.demo__step.is-active { color: var(--ink); background: rgba(10,191,188,0.08); padding-left: 14px; border-left: 2px solid var(--accent); border-radius: 8px; }
.demo__step.is-active .arr { color: var(--accent); }
.demo__step b { font-weight: 600; }

.demo__panes { position: relative; min-height: 480px; }
.demo__pane { position: absolute; inset: 0; opacity: 0; pointer-events: none; transition: opacity .35s ease; }
.demo__pane.is-active { opacity: 1; pointer-events: auto; }
.demo__cap { margin-bottom: 14px; }
.demo__pane h3 { font-weight: 600; font-size: 32px; line-height: 1.05; letter-spacing: -0.025em; margin: 0 0 14px; }
.demo__pane p { color: var(--ink-dim); font-size: 15.5px; max-width: 56ch; margin: 0 0 24px; }
.mono.inline { display: inline; font-size: 12.5px; padding: 2px 6px; background: var(--bg-2); border-radius: 4px; text-transform: none; }

.demo__shot { background: var(--paper); border: 1px solid var(--line-2); border-radius: 12px; padding: 24px; font-family: var(--mono); font-size: 13px; box-shadow: var(--shadow-sm); }
.shot__row { display: grid; grid-template-columns: 110px 1fr; gap: 16px; padding: 10px 0; border-bottom: 1px dashed var(--line); align-items: center; text-transform: none; letter-spacing: 0; font-family: var(--sans); font-size: 14px; }
.shot__row:last-of-type { border-bottom: 0; }
.shot__row .mono { font-size: 10px; }
.shot__bar { height: 3px; background: var(--line); position: relative; overflow: hidden; margin: 14px 0 12px; border-radius: 2px; }
.shot__bar i { position: absolute; inset: 0 auto 0 0; background: var(--grad); transition: width .8s ease; border-radius: 2px; }
.shot__caption { color: var(--accent); }

/* ===== TRUST ===== */
.trust {
  background: linear-gradient(135deg, #0D1117 0%, #0F1F2E 100%);
  color: var(--paper);
  padding: 96px var(--gutter);
  border-top: none;
  position: relative;
  overflow: hidden;
}
.trust::before {
  content: '';
  position: absolute;
  top: -100px; right: -100px;
  width: 500px; height: 500px;
  background: radial-gradient(ellipse, rgba(10,191,188,0.12) 0%, transparent 65%);
  pointer-events: none;
}
.trust__inner { max-width: var(--container); margin: 0 auto; position: relative; z-index: 1; }
.trust .mono { color: var(--accent); display: block; margin-bottom: 24px; }
.trust__q {
  font-weight: 300;
  font-size: clamp(28px, 3vw, 44px);
  line-height: 1.18;
  letter-spacing: -0.025em;
  margin: 0 0 48px;
  max-width: 26ch;
  text-wrap: balance;
}
.trust__row { display: grid; grid-template-columns: 1fr 1.4fr; gap: 64px; align-items: end; padding-top: 40px; border-top: 1px solid rgba(255,255,255,0.1); }
.trust__attrib b { display: block; font-weight: 500; }
.trust__attrib .mono { color: rgba(255,255,255,0.4); margin: 4px 0 0; }
.trust__nums { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.trust__nums b { display: block; font-weight: 600; font-size: 44px; line-height: 1; letter-spacing: -0.03em; margin-bottom: 8px; background: var(--grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.trust__nums .mono { color: rgba(255,255,255,0.45); margin: 0; }

/* ===== SECURITY ===== */
.sec { max-width: var(--container); margin: 0 auto; padding: 96px var(--gutter); display: grid; grid-template-columns: 1fr 1.2fr; gap: 80px; }
.sec__l .mono { display: inline-block; margin-bottom: 18px; padding: 4px 12px; border: 1px solid rgba(10,191,188,0.3); border-radius: 100px; background: var(--accent-bg); color: var(--accent-dark); }
.sec__l p { color: var(--ink-dim); max-width: 42ch; font-size: 15px; margin-top: 18px; }
.sec__list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; }
.sec__list li {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 8px 18px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
  align-items: baseline;
}
.sec__list li:last-child { border-bottom: 1px solid var(--line); }
.sec__list .mono { color: var(--accent); align-self: start; padding-top: 4px; background: none; border: none; border-radius: 0; padding: 0; }
.sec__list b { font-weight: 600; font-size: 16px; letter-spacing: -0.005em; display: block; margin-bottom: 4px; }
.sec__list span { color: var(--ink-dim); font-size: 14px; }

/* ===== FAQ ===== */
.faq { padding-bottom: 96px; background: var(--bg); }
.faq__list { max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter); border-top: 1px solid var(--line-2); }
.faq details { border-bottom: 1px solid var(--line); padding: 22px 0; }
.faq summary {
  display: grid; grid-template-columns: 64px 1fr 32px; gap: 18px;
  align-items: center;
  cursor: pointer; list-style: none;
  font-size: 18px;
  font-weight: 500;
  letter-spacing: -0.01em;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary .mono { color: var(--accent); background: var(--accent-bg); border: none; border-radius: 6px; padding: 4px 8px; }
.faq summary .plus { font-weight: 300; font-size: 22px; color: var(--ink-dim); transition: transform .25s ease; text-align: right; }
.faq details[open] summary .plus { transform: rotate(45deg); color: var(--accent); }
.faq details p { margin: 14px 0 0 82px; color: var(--ink-dim); max-width: 64ch; font-size: 14.5px; }
.faq details p a { color: var(--accent); border-bottom: 1px solid rgba(10,191,188,0.4); }

/* ===== END CTA ===== */
.endcta {
  padding: 128px var(--gutter);
  background: var(--grad-soft);
  border-top: 1px solid rgba(10,191,188,0.15);
}
.endcta__inner { max-width: var(--container); margin: 0 auto; text-align: center; }
.endcta__inner .mono { display: inline-block; margin-bottom: 32px; padding: 6px 16px; border: 1px solid rgba(10,191,188,0.35); border-radius: 100px; background: rgba(10,191,188,0.08); color: var(--accent-dark); }
.display--end { font-size: clamp(40px, 6vw, 84px); margin-bottom: 40px; }
.endcta__row { display: flex; gap: 18px; justify-content: center; align-items: center; margin-bottom: 56px; flex-wrap: wrap; }
.endcta__sig { letter-spacing: 0.08em; }

/* ===== FOOTER ===== */
.foot { border-top: 1px solid var(--line-2); padding: 48px var(--gutter) 28px; background: var(--ink-2); color: var(--paper); }
.foot__top { max-width: var(--container); margin: 0 auto; display: grid; grid-template-columns: 1fr 1.4fr; gap: 48px; padding-bottom: 48px; }
.foot__tag { color: rgba(255,255,255,0.45); font-size: 14px; max-width: 32ch; margin-top: 14px; }
.foot__cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.foot__cols h6 { margin: 0 0 14px; color: rgba(255,255,255,0.7); }
.foot__cols a { display: block; padding: 4px 0; color: rgba(255,255,255,0.45); font-size: 13.5px; transition: color .15s; }
.foot__cols a:hover { color: var(--paper); }
.foot__base { max-width: var(--container); margin: 0 auto; padding-top: 20px; border-top: 1px solid rgba(255,255,255,0.1); display: flex; justify-content: space-between; color: rgba(255,255,255,0.35); }
.foot .brand__name { color: var(--paper); }
.foot .brand__tag { color: rgba(255,255,255,0.4); }

/* reveal */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .8s ease, transform .8s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ============================================================
   MOBILE — comprehensive responsive
   ============================================================ */

/* ===== HAMBURGER NAV ===== */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
  background: none;
  border: none;
  margin-left: auto;
}
.nav__hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink);
  transition: all .25s ease;
  transform-origin: center;
  border-radius: 2px;
}
.nav__hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav__hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav__mobile {
  display: none;
  position: fixed;
  top: 53px;
  left: 0; right: 0;
  background: var(--bg);
  border-bottom: 1px solid var(--line-2);
  padding: 20px var(--gutter) 28px;
  flex-direction: column;
  gap: 0;
  z-index: 49;
  box-shadow: 0 16px 40px rgba(10,10,10,0.1);
}
.nav__mobile.open { display: flex; }
.nav__mobile a {
  display: block;
  padding: 14px 0;
  font-size: 18px;
  font-weight: 500;
  color: var(--ink-dim);
  border-bottom: 1px solid var(--line);
  transition: color .15s;
}
.nav__mobile a:last-child { border-bottom: 0; }
.nav__mobile a:hover { color: var(--ink); }
.nav__mobile .nav__cta-m {
  display: flex;
  gap: 10px;
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--line-2);
}
.nav__mobile .btn { flex: 1; justify-content: center; padding: 12px 16px; font-size: 14px; }

/* ===== TABLET 1024 ===== */
@media (max-width: 1024px) {
  .modules__grid { grid-template-columns: repeat(2, 1fr); }
  .trust__nums { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .sec { grid-template-columns: 1fr; gap: 40px; }
  .foot__top { grid-template-columns: 1fr; }
  .pillars__grid { grid-template-columns: repeat(2, 1fr); }
}

/* ===== PHABLET 980 ===== */
@media (max-width: 980px) {
  .nav { grid-template-columns: auto auto; }
  .nav__links { display: none !important; }
  .nav__cta { display: none; }
  .nav__hamburger { display: flex; }

  .display { font-size: clamp(36px, 10vw, 64px); }
  .hero__readout { grid-template-columns: repeat(2, 1fr); }
  .readout__col { border-bottom: 1px solid var(--line); }
  .readout__col:nth-child(3),
  .readout__col:nth-child(4) { border-bottom: 0; }

  .app__side { display: none; }
  .chrome__app { grid-template-columns: 1fr; }
  .app__grid { grid-template-columns: repeat(2, 1fr); }
  .panel--wide { grid-column: span 2; }
  .staff { grid-template-columns: repeat(2, 1fr); }
  .appts li { grid-template-columns: 50px 1fr 70px; }
  .appts li > :nth-child(4),
  .appts li > :nth-child(5) { display: none; }

  .pillars__grid { grid-template-columns: 1fr; gap: 12px; }
  .pillar { transform: none !important; }

  .modules__grid { grid-template-columns: repeat(2, 1fr); }

  .demo__stage { grid-template-columns: 1fr; gap: 24px; }
  .demo__rail { position: static; flex-direction: row; overflow-x: auto; padding-bottom: 4px; gap: 8px; border-top: none; }
  .demo__step { white-space: nowrap; padding: 10px 14px; font-size: 13px; border-left: none !important; }
  .demo__panes { min-height: auto; }
  .demo__pane { position: static; opacity: 1; pointer-events: auto; display: none; }
  .demo__pane.is-active { display: block; }

  .trust { padding: 64px var(--gutter); }
  .trust__row { grid-template-columns: 1fr; gap: 36px; }
  .trust__nums { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .trust__q { font-size: clamp(24px, 5vw, 36px); margin-bottom: 32px; }

  .sec { grid-template-columns: 1fr; gap: 32px; }

  .faq summary { grid-template-columns: 40px 1fr 28px; gap: 12px; font-size: 16px; }
  .faq details p { margin-left: 52px; }

  .foot__top { grid-template-columns: 1fr; gap: 36px; }
  .foot__cols { grid-template-columns: repeat(3, 1fr); }
  .foot__base { flex-direction: column; gap: 8px; }

  .founder, .magnus { grid-template-columns: 1fr !important; }
  .founder__stats, .magnus__stats { grid-template-columns: 1fr 1fr; }
}

/* ===== PHONE 640 ===== */
@media (max-width: 640px) {
  :root { --gutter: 18px; }
  .nav { padding: 12px var(--gutter); }
  .display { font-size: clamp(32px, 11vw, 52px); letter-spacing: -0.03em; }
  .display .serif-it { font-size: 0.88em; }
  .lede { font-size: 16px; }
  .hero { padding: 48px var(--gutter) 36px; }
  .hero__readout { grid-template-columns: 1fr 1fr; border-radius: 10px; }
  .readout__col { padding: 16px; }
  .readout__val { font-size: 24px; }
  .hero__cta { flex-direction: column; align-items: stretch; }
  .hero__cta .btn { justify-content: center; }
  .ph__chrome { display: none; }
  .ph__head { margin-bottom: 0; }
  .pillars__grid { grid-template-columns: 1fr; gap: 10px; }
  .modules__grid { grid-template-columns: 1fr 1fr; }
  .demo__rail { flex-direction: column; overflow-x: visible; gap: 4px; }
  .demo__step { white-space: normal; }
  .trust__nums { grid-template-columns: 1fr 1fr; }
  .trust__nums b { font-size: 36px; }
  .faq summary { font-size: 15px; grid-template-columns: 32px 1fr 24px; }
  .faq details p { margin-left: 40px; font-size: 14px; }
  .foot__cols { grid-template-columns: 1fr 1fr; }
  .title { font-size: clamp(26px, 8vw, 40px); }
  .sect__head { padding: 48px var(--gutter) 24px; }
  .endcta { padding: 80px var(--gutter); }
  .display--end { font-size: clamp(32px, 10vw, 56px); }
  .endcta__row { flex-direction: column; align-items: stretch; }
  .endcta__row .btn { justify-content: center; }
  .essay p { font-size: 16px; }
  .essay .pull { font-size: 22px; }
  .agentic-banner { padding: 20px 20px; }
  .pricing-grid { grid-template-columns: 1fr !important; }
}

/* ===== SMALL PHONE 375 ===== */
@media (max-width: 400px) {
  :root { --gutter: 14px; }
  .display { font-size: 30px; }
  .modules__grid { grid-template-columns: 1fr; }
  .trust__nums { grid-template-columns: 1fr 1fr; }
  .foot__cols { grid-template-columns: 1fr; gap: 28px; }
  .nav__hamburger { padding: 4px; }
}

/* ===== TOUCH TARGETS ===== */
@media (hover: none) {
  .btn { min-height: 44px; }
  .nav__mobile a { min-height: 48px; display: flex; align-items: center; }
  .faq summary { min-height: 52px; }
  .demo__step { min-height: 44px; }
  .pillar:hover, .mod:hover, .btn--solid:hover { transform: none; }
}

/* ===== ABOUT PAGE ===== */
.essay { max-width: 720px; margin: 0 auto; padding: 40px var(--gutter) 80px; }
.essay p { font-size: 17px; color: var(--ink-dim); line-height: 1.75; margin: 0 0 22px; }
.essay .pull { font-size: 26px; font-weight: 400; line-height: 1.3; letter-spacing: -0.02em; color: var(--ink); margin: 48px 0; padding: 24px 0 24px 28px; border-left: 3px solid var(--accent); background: var(--accent-bg); border-radius: 0 12px 12px 0; }
.agentic-banner { background: linear-gradient(135deg, rgba(10,191,188,0.1) 0%, rgba(2,132,199,0.08) 100%); border: 1px solid rgba(10,191,188,0.25); border-radius: 16px; padding: 28px 32px; margin: 40px 0; }

/* ===== PRICING ===== */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter) 80px; }
.price-card { border: 1px solid var(--line-2); border-radius: 16px; padding: 32px 28px; background: var(--paper); box-shadow: var(--shadow-sm); transition: all .25s ease; }
.price-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.price-card--featured { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent), var(--shadow-md); }