/* ============================================================
   MISSION KHAKI — shared stylesheet
   Palette: khaki-paper + deep olive ink (field-manual aesthetic)
   Type:    Space Grotesk (display) / IBM Plex Sans (body) / IBM Plex Mono (data)
   ============================================================ */

:root {
  /* paper (light surfaces) */
  --paper:      #EEEFE6;
  --paper-2:    #E5E7D8;
  --paper-3:    #DBDECB;
  --line:       #C7CBB2;
  --line-soft:  #D5D8C4;

  /* ink (text on paper) */
  --ink:        #1B2016;
  --ink-soft:   #4C5340;
  --ink-faint:  #70775F;

  /* dark surfaces (hero, bands) */
  --dark:       #161A10;
  --dark-2:     #1E2415;
  --line-dark:  #2C3320;
  --on-dark:    #ECEEE1;
  --on-dark-soft: #A6AC93;

  /* accents */
  --olive:      #4E5C2F;  /* primary button / strong accent */
  --olive-hi:   #5C6C38;
  --olive-deep: #3E4A26;  /* accent text on paper */
  --olive-lt:   #93A45C;  /* accent text on dark */
  --khaki:      #A9AE8C;
  --brick:      #8C4A2F;  /* semantic: negative marking only */
  --cursor:     #6E7F49;

  --font-display: "Space Grotesk", "Segoe UI", sans-serif;
  --font-body: "IBM Plex Sans", "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", "Consolas", monospace;

  --nav-h: 72px;
  --radius: 3px;
}

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

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

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  background: var(--paper);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
}

/* paper grain — static texture over the whole sheet (opacity kept very low) */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 50;
  pointer-events: none;
  opacity: 0.55;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='0.05'/%3E%3C/svg%3E");
}

img, svg, canvas { display: block; max-width: 100%; }
a { color: inherit; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
ul, ol { list-style: none; }

::selection { background: var(--olive); color: var(--paper); }

:focus-visible {
  outline: 2px solid var(--olive);
  outline-offset: 3px;
  border-radius: 2px;
}
.hero :focus-visible, .cta-band :focus-visible, .disclaimer-band :focus-visible {
  outline-color: var(--khaki);
}

.container {
  width: min(1180px, 92vw);
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  background: var(--ink);
  color: var(--paper);
  padding: 10px 18px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-decoration: none;
}
.skip-link:focus { left: 12px; top: 12px; }

/* mono utility — used for genuinely functional data labels only */
.mono {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

/* ---------- custom cursor (added only when JS + fine pointer + motion ok) ---------- */
.cursor-dot,
.cursor-ring {
  position: fixed;
  top: 0; left: 0;
  pointer-events: none;
  z-index: 150;
  border-radius: 50%;
  opacity: 0;
  will-change: transform;
}
.cursor-dot {
  width: 7px; height: 7px;
  background: var(--cursor);
}
.cursor-ring {
  width: 38px; height: 38px;
  border: 1.5px solid var(--cursor);
  transition: width 0.25s ease, height 0.25s ease, border-color 0.25s ease, background-color 0.25s ease;
}
.cursor-ring.is-active {
  width: 62px; height: 62px;
  border-color: var(--olive);
  background: rgba(78, 92, 47, 0.07);
}
html.has-cursor, html.has-cursor a, html.has-cursor button,
html.has-cursor summary, html.has-cursor * { cursor: none !important; }

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background-color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 20px 0;
  transition: padding 0.3s ease;
}
.nav.is-scrolled {
  background: rgba(238, 239, 230, 0.92);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom-color: var(--line);
  box-shadow: 0 1px 0 rgba(27, 32, 22, 0.04);
}
.nav.is-scrolled .nav-inner { padding: 11px 0; }

/* over dark hero (index) */
.page-home .nav .brand, .page-home .nav .nav-links a, .page-home .nav .nav-cta,
.page-home .nav .site-menu summary { color: var(--on-dark); }
.page-home .nav.is-scrolled .brand, .page-home .nav.is-scrolled .nav-links a,
.page-home .nav.is-scrolled .nav-cta, .page-home .nav.is-scrolled .site-menu summary { color: var(--ink); }
.page-home .nav .nav-cta { border-color: rgba(236, 238, 225, 0.4); }
.page-home .nav.is-scrolled .nav-cta { border-color: var(--ink-soft); }

/* legal pages: paper from the start */
.page-legal .nav {
  background: rgba(238, 239, 230, 0.92);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom-color: var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.06rem;
  letter-spacing: 0.01em;
  white-space: nowrap;
}
.brand-mark { flex: none; }
.brand-khaki { color: var(--olive-deep); }
.page-home .nav .brand-khaki { color: var(--olive-lt); }
.page-home .nav.is-scrolled .brand-khaki { color: var(--olive-deep); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
}
.nav-links a {
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--ink-soft);
  padding: 6px 2px;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}
.page-home .nav .nav-links a { color: var(--on-dark-soft); }
.page-home .nav.is-scrolled .nav-links a { color: var(--ink-soft); }
.nav-links a:hover, .nav-links a[aria-current="page"], .nav-links a.is-active {
  color: var(--ink);
  border-bottom-color: var(--olive-deep);
}
.page-home .nav .nav-links a:hover,
.page-home .nav .nav-links a[aria-current="page"],
.page-home .nav .nav-links a.is-active { color: var(--on-dark); border-bottom-color: var(--khaki); }
.page-home .nav.is-scrolled .nav-links a:hover,
.page-home .nav.is-scrolled .nav-links a[aria-current="page"],
.page-home .nav.is-scrolled .nav-links a.is-active { color: var(--ink); border-bottom-color: var(--olive-deep); }

.nav-cta-wrap { display: flex; align-items: center; gap: 14px; }

.nav-cta {
  display: inline-block;
  border: 1px solid var(--ink-soft);
  color: var(--ink);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 9px 16px;
  border-radius: var(--radius);
  transition: background-color 0.2s ease, color 0.2s ease;
}
.nav-cta:hover { background: var(--olive); border-color: var(--olive); color: var(--paper); }

/* mobile menu (details = works without JS) */
.site-menu { display: none; position: relative; }
.site-menu summary {
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  color: inherit;
  padding: 8px 2px;
}
.site-menu summary::-webkit-details-marker { display: none; }
.site-menu[open] summary { border-bottom: 1px solid var(--line); }
.menu-panel {
  position: absolute;
  right: 0;
  top: calc(100% + 10px);
  min-width: 210px;
  background: var(--paper);
  border: 1px solid var(--line);
  box-shadow: 5px 5px 0 rgba(27, 32, 22, 0.08);
  padding: 10px 0;
  display: flex;
  flex-direction: column;
}
.menu-panel a {
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--ink);
  padding: 11px 20px;
  border-top: 1px solid var(--line-soft);
}
.menu-panel a:first-child { border-top: none; }
.menu-panel a:hover { background: var(--paper-2); }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  line-height: 1;
  text-decoration: none;
  padding: 14px 24px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  transition: background-color 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease, color 0.18s ease;
}
.btn svg { flex: none; }
.btn-sm { padding: 10px 16px; font-size: 0.85rem; }
.btn-lg { padding: 17px 30px; font-size: 1.02rem; }

.btn-primary {
  background: var(--olive);
  border-color: var(--olive);
  color: #F2F3EA;
}
.btn-primary:hover {
  background: var(--olive-hi);
  border-color: var(--olive-hi);
  box-shadow: 4px 4px 0 rgba(27, 32, 22, 0.22);
}
.btn-primary:active { box-shadow: 1px 1px 0 rgba(27, 32, 22, 0.22); }

.btn-ghost {
  border-color: var(--ink-soft);
  color: var(--ink);
  background: transparent;
}
.btn-ghost:hover { border-color: var(--ink); background: rgba(27, 32, 22, 0.05); }

/* animated underline link (secondary CTA) */
.link-underline {
  position: relative;
  display: inline-block;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.98rem;
  color: inherit;
  padding-bottom: 3px;
}
.link-underline::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1.5px;
  background: currentColor;
  transform-origin: left center;
  transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}
.link-underline:hover::after { transform: scaleX(0.55); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  background: var(--dark);
  color: var(--on-dark);
  min-height: min(94vh, 880px);
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: calc(var(--nav-h) + 56px) 0 72px;
}
#field-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.9;
}
.hero-scrim {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(10, 13, 7, 0.55) 0%, rgba(10, 13, 7, 0) 220px),
    radial-gradient(120% 90% at 50% 10%, rgba(10, 13, 7, 0) 40%, rgba(10, 13, 7, 0.5) 100%);
  pointer-events: none;
}
.hero-inner {
  position: relative;
  z-index: 1;
  width: 100%;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.75fr);
  column-gap: clamp(36px, 7vw, 96px);
  align-items: center;
}
.hero-copy { min-width: 0; }

.hero-eyebrow {
  margin-bottom: 18px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  color: var(--khaki);
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.7rem, 6.4vw, 4.6rem);
  line-height: 1.02;
  letter-spacing: -0.025em;
  max-width: 15ch;
  margin-bottom: 28px;
}
.hero-title .accent {
  font-style: normal;
  color: var(--olive-lt);
}
.line { display: block; overflow: hidden; }
.line-inner { display: block; will-change: transform; }

.hero-sub {
  font-size: clamp(1.02rem, 1.6vw, 1.18rem);
  line-height: 1.65;
  color: var(--on-dark-soft);
  max-width: 56ch;
  margin-bottom: 36px;
}
.hero-sub strong { color: var(--on-dark); font-weight: 600; }

.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 26px;
  margin-bottom: 20px;
}
.hero-fineprint {
  font-size: 0.82rem;
  color: var(--on-dark-soft);
  max-width: 60ch;
}
.hero-fineprint a {
  color: var(--khaki);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.hero-fineprint a:hover { color: var(--on-dark); }

/* CSS-only product preview: keeps the promise of a real mock visible above the fold. */
.hero-preview {
  width: min(100%, 328px);
  justify-self: end;
  margin: 0;
  transform: rotate(2deg);
  filter: drop-shadow(18px 22px 0 rgba(0, 0, 0, 0.18));
}
.phone-shell {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(236, 238, 225, 0.28);
  border-radius: 22px;
  padding: 24px 18px 18px;
  background: #eef0e5;
  color: var(--ink);
  box-shadow: inset 0 0 0 5px rgba(12, 16, 9, 0.88), inset 0 0 0 6px rgba(236, 238, 225, 0.18);
}
.phone-speaker {
  position: absolute;
  top: 10px;
  left: 50%;
  width: 54px;
  height: 4px;
  border-radius: 4px;
  background: #20261a;
  transform: translateX(-50%);
}
.mock-topbar, .mock-heading, .mock-meta, .mock-language {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.mock-topbar {
  padding-bottom: 18px;
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.1em;
  color: var(--ink-faint);
}
.mock-live { color: var(--olive-deep); }
.mock-live i {
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 4px;
  border-radius: 50%;
  background: var(--brick);
}
.mock-heading {
  gap: 12px;
  padding: 14px 0 10px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  color: var(--ink-faint);
}
.mock-heading strong { color: var(--ink); font-weight: 500; }
.mock-progress { height: 4px; margin-bottom: 22px; background: var(--line-soft); }
.mock-progress span { display: block; width: 41%; height: 100%; background: var(--olive); }
.mock-question {
  min-height: 68px;
  margin-bottom: 16px;
  font-family: var(--font-display);
  font-size: 1.08rem;
  font-weight: 600;
  line-height: 1.3;
}
.mock-options { display: grid; gap: 8px; }
.mock-options span {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 10px;
  border: 1px solid var(--line);
  background: #f7f8f0;
  color: var(--ink-soft);
  font-size: 0.78rem;
}
.mock-options b {
  display: grid;
  width: 22px;
  height: 22px;
  place-items: center;
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 500;
}
.mock-options .is-selected { border-color: var(--olive); background: #e1e5d1; color: var(--ink); }
.mock-options .is-selected b { border-color: var(--olive); background: var(--olive); color: var(--paper); }
.mock-meta {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.61rem;
  color: var(--ink-faint);
}
.mock-meta b { color: var(--brick); font-weight: 500; }
.mock-language {
  justify-content: flex-start;
  gap: 8px;
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--ink-faint);
}
.mock-language span { padding: 6px 8px; border: 1px solid var(--line); }
.mock-language .is-active { background: var(--olive); border-color: var(--olive); color: var(--paper); }
.hero-preview figcaption {
  margin-top: 14px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.04em;
  color: var(--on-dark-soft);
}

/* scroll cue — fades out once the reader scrolls (JS adds .is-gone) */
.hero-scroll {
  position: absolute;
  left: 0;
  bottom: -58px;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.32em;
  color: var(--on-dark-soft);
  transition: opacity 0.5s ease;
}
.hero-scroll.is-gone { opacity: 0; }
.cue-line {
  position: relative;
  width: 1px;
  height: 44px;
  background: var(--line-dark);
  overflow: hidden;
}
.cue-line::after {
  content: "";
  position: absolute;
  left: 0;
  top: -45%;
  width: 1px;
  height: 45%;
  background: var(--khaki);
  animation: cue-drip 1.9s cubic-bezier(0.65, 0, 0.35, 1) infinite;
}
@keyframes cue-drip {
  0% { transform: translateY(0); }
  100% { transform: translateY(330%); }
}

/* stats strip */
.hero-stats {
  margin-top: 64px;
  position: relative;
}
.hero-rule {
  height: 1px;
  background: var(--line-dark);
  margin-bottom: 28px;
}
.stat-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.stat { border-left: 1px solid var(--line-dark); padding-left: 20px; }
.stat-num {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.55rem, 2.6vw, 2.1rem);
  letter-spacing: -0.02em;
  color: var(--on-dark);
  line-height: 1.1;
}
.stat-label {
  display: block;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--on-dark-soft);
}

/* ============================================================
   SECTIONS (shared)
   ============================================================ */
/* anchor jumps must clear the fixed nav */
main section[id] { scroll-margin-top: calc(var(--nav-h) + 16px); }

.section { padding: clamp(72px, 9vw, 118px) 0; }

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: 32px;
  align-items: end;
  margin-bottom: clamp(36px, 5vw, 56px);
}
.h2-wipe, .section-head h2, .disc-title, .cta-band h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.9rem, 4vw, 2.85rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
}
.section-intro {
  color: var(--ink-soft);
  font-size: 1rem;
  line-height: 1.65;
  padding-bottom: 6px;
}

/* ============================================================
   FEATURES
   ============================================================ */
.feature-grid {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.feature-card {
  background: var(--paper);
  padding: clamp(24px, 3vw, 38px);
  display: flex;
  flex-direction: column;
  gap: 20px;
  min-height: 340px;
  transform-style: preserve-3d;
  transition: background-color 0.3s ease;
}
.feature-card:hover { background: #F1F2E9; }
.feature-card--tint { background: var(--paper-2); }
.feature-card--tint:hover { background: #E9EBDC; }

.feature-card h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.32rem;
  letter-spacing: -0.01em;
  line-height: 1.25;
}
.feature-card p {
  color: var(--ink-soft);
  font-size: 0.97rem;
  max-width: 48ch;
}
.feature-card strong { color: var(--ink); }

.mini-visual { margin-top: auto; }

/* mini answer sheet */
.mini-answer {
  border: 1px solid var(--line);
  background: var(--paper);
  padding: 14px 16px;
  display: grid;
  gap: 10px;
  max-width: 420px;
}
.feature-card--tint .mini-answer { background: var(--paper); }
.mini-q {
  display: flex;
  align-items: center;
  gap: 8px;
}
.mini-q > span:first-child {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--ink-faint);
  width: 108px;
  flex: none;
}
.opt {
  width: 27px; height: 27px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink-soft);
  background: var(--paper);
}
.opt.is-marked {
  background: var(--olive);
  border-color: var(--olive);
  color: var(--paper);
}

/* mini score breakdown */
.mini-score {
  display: grid;
  gap: 11px;
  max-width: 420px;
  border: 1px solid var(--line);
  padding: 18px;
  background: var(--paper);
}
.score-row {
  display: grid;
  grid-template-columns: 86px 1fr 52px;
  align-items: center;
  gap: 12px;
}
.score-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
}
.score-track {
  height: 6px;
  background: var(--line-soft);
  border-radius: 3px;
  overflow: hidden;
}
.score-fill {
  display: block;
  height: 100%;
  background: var(--olive);
  border-radius: 3px;
}
.score-fill.is-low { background: var(--brick); }
.score-val {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--ink);
  text-align: right;
  white-space: nowrap;
}
.score-pen {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  color: var(--brick);
}

/* language chips */
.lang-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.lang-chips button {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  padding: 11px 18px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--ink-soft);
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}
.lang-chips button:hover { border-color: var(--ink-soft); color: var(--ink); }
.lang-chips button.is-active {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}
.lang-demo { display: grid; gap: 16px; }
.lang-demo-panel {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: start;
  gap: 12px;
  border: 1px solid var(--line);
  background: var(--paper);
  padding: 14px;
}
.lang-demo-code {
  display: grid;
  min-width: 34px;
  min-height: 26px;
  place-items: center;
  padding: 4px 6px;
  background: var(--olive);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
}
.lang-demo-panel p { margin: 0; font-size: 0.86rem; line-height: 1.5; }

/* price stamp */
.stamp {
  --stamp-color: var(--olive-deep);
  position: relative;
  width: 150px;
  aspect-ratio: 1;
  border: 2px solid var(--stamp-color);
  border-radius: 50%;
  display: grid;
  place-content: center;
  justify-items: center;
  gap: 4px;
  text-align: center;
  color: var(--stamp-color);
  transform: rotate(-7deg);
  margin: 6px 0 6px 6px;
}
.stamp::after {
  content: "";
  position: absolute;
  inset: 7px;
  border: 1px dashed var(--stamp-color);
  border-radius: 50%;
  opacity: 0.65;
}
.stamp-price {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 2rem;
  letter-spacing: -0.02em;
  line-height: 1;
}
.stamp-one {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.2em;
}
.stamp-sub {
  font-family: var(--font-mono);
  font-size: 0.56rem;
  letter-spacing: 0.14em;
  opacity: 0.75;
}

/* ============================================================
   EXAMS
   ============================================================ */
.exams { background: var(--paper-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.exam-list { border-bottom: 1px solid var(--line); }
.exam-row {
  position: relative;
  display: grid;
  grid-template-columns: 120px minmax(0, 1.2fr) minmax(0, 1.6fr);
  align-items: baseline;
  gap: 24px;
  padding: 30px 0;
}
.exam-row + .exam-row { border-top: 0; }
.row-line {
  position: absolute;
  top: -1px;
  left: 0; right: 0;
  height: 1px;
  background: var(--line);
  transform-origin: left center;
}
.exam-row:first-child .row-line { display: none; }
.exam-code {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  color: var(--olive-deep);
  border: 1px solid var(--line);
  padding: 6px 10px;
  width: max-content;
  background: var(--paper);
}
.exam-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.25rem, 2.4vw, 1.7rem);
  letter-spacing: -0.01em;
}
.exam-detail {
  color: var(--ink-soft);
  font-size: 0.97rem;
}
.exam-detail .exam-chip {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  border: 1px solid var(--line);
  background: var(--paper);
  padding: 4px 9px;
  margin: 2px 6px 2px 0;
  color: var(--ink-soft);
}
.exam-topics { display: block; margin-top: 10px; }
.topic-chip {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.04em;
  color: var(--ink-faint);
  border: 1px solid var(--line);
  background: transparent;
  padding: 3px 8px;
  margin: 0 6px 4px 0;
}

/* first-10-minutes steps */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-top: clamp(40px, 5vw, 56px);
}
.step { background: var(--paper); padding: 26px 26px 30px; }
.step-tag {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.2em;
  color: var(--olive-deep);
}
.step h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.08rem;
  margin: 12px 0 8px;
}
.step p { color: var(--ink-soft); font-size: 0.9rem; line-height: 1.6; }
@media (hover: hover) and (pointer: fine) {
  .exam-list { padding-left: 20px; }
  .exam-row::after {
    content: "";
    position: absolute;
    left: -20px;
    top: 50%;
    width: 3px;
    height: 34px;
    background: var(--khaki);
    transform: translateY(-50%) scaleY(0);
    transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1);
  }
  .exam-row:hover::after { transform: translateY(-50%) scaleY(1); }
}

/* ============================================================
   PREMIUM
   ============================================================ */
.premium-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
  gap: clamp(28px, 4vw, 52px);
  align-items: start;
}
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.price-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: 0.95rem;
  border: 1px solid var(--line);
  background: var(--paper);
}
.price-table th, .price-table td {
  text-align: left;
  padding: 15px 18px;
  border-bottom: 1px solid var(--line-soft);
}
.price-table thead th {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
  background: var(--paper-2);
  border-bottom: 1px solid var(--line);
}
.price-table tbody th[scope="row"] {
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--ink);
  white-space: nowrap;
}
.price-table td { color: var(--ink-soft); }
.price-table tr:last-child th, .price-table tr:last-child td { border-bottom: none; }
.price-table th.is-ours, .price-table td.is-ours {
  background: #E3E6D3;
  color: var(--ink);
  font-weight: 600;
  border-left: 1px solid var(--line);
}
.price-table td.is-ours { color: var(--olive-deep); }

.premium-side {
  background: var(--dark);
  color: var(--on-dark);
  padding: clamp(28px, 3.4vw, 44px);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 24px;
  border: 1px solid var(--line-dark);
}
.premium-side .stamp { --stamp-color: var(--khaki); }
.premium-note { color: var(--on-dark-soft); font-size: 0.95rem; line-height: 1.65; }
.premium-side .fine { font-size: 0.8rem; color: var(--on-dark-soft); }
.premium-side .fine a { color: var(--khaki); text-decoration: underline; text-underline-offset: 3px; }
.premium-side .fine a:hover { color: var(--on-dark); }

/* ============================================================
   TRY ONE QUESTION
   ============================================================ */
.try { padding-top: clamp(8px, 2vw, 24px); }
.quiz {
  max-width: 720px;
  border: 1px solid var(--line);
  background: var(--paper-2);
  padding: clamp(24px, 3.5vw, 40px);
}
.quiz-q {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.08rem, 2vw, 1.3rem);
  line-height: 1.4;
  margin-bottom: 22px;
}
.quiz-q-tag {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.2em;
  color: var(--olive-deep);
  margin-bottom: 10px;
}
.quiz-opts { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.quiz-opt {
  text-align: left;
  border: 1px solid var(--line);
  background: var(--paper);
  border-radius: var(--radius);
  padding: 14px 16px;
  font-size: 0.95rem;
  font-weight: 500;
  transition: border-color 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}
.quiz-opt:hover:not(:disabled) { border-color: var(--ink-soft); }
.quiz-opt:disabled { cursor: default; }
.quiz-opt.is-correct { background: var(--olive); border-color: var(--olive); color: var(--paper); font-weight: 600; }
.quiz-opt.is-wrong { background: rgba(140, 74, 47, 0.08); border-color: var(--brick); color: var(--brick); }
.quiz-feedback { margin-top: 18px; }
.quiz-explain { color: var(--ink); font-size: 0.97rem; line-height: 1.6; margin-bottom: 8px; }
.quiz-note { font-family: var(--font-mono); font-size: 0.74rem; line-height: 1.7; }
.quiz-note.is-pen { color: var(--brick); }
.quiz-note.is-ok { color: var(--olive-deep); }
.quiz-foot { display: flex; flex-wrap: wrap; gap: 24px; margin-top: 20px; }

/* ============================================================
   FAQ
   ============================================================ */
.faq-list { border-top: 1px solid var(--line); max-width: 820px; }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding: 20px 2px;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  line-height: 1.4;
  transition: color 0.2s ease;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { color: var(--olive-deep); }
.faq-plus { position: relative; flex: none; width: 14px; height: 14px; }
.faq-plus::before,
.faq-plus::after {
  content: "";
  position: absolute;
  left: 0; right: 0;
  top: 6px;
  height: 2px;
  background: var(--ink-soft);
  transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}
.faq-plus::after { transform: rotate(90deg); }
.faq-item[open] .faq-plus::after { transform: rotate(0deg); }
.faq-body { padding: 0 2px 24px; }
.faq-body p { color: var(--ink-soft); line-height: 1.7; max-width: 66ch; }
.faq-body a { color: var(--olive-deep); text-decoration: underline; text-underline-offset: 3px; }
.faq-body a:hover { color: var(--ink); }

/* ============================================================
   DISCLAIMER BAND
   ============================================================ */
.disclaimer-band {
  background: var(--dark);
  color: var(--on-dark);
  padding: clamp(72px, 9vw, 110px) 0;
  border-top: 1px solid var(--line-dark);
}
.disclaimer-card {
  border: 1px solid var(--line-dark);
  border-left: 4px solid var(--olive-lt);
  background: var(--dark-2);
  padding: clamp(28px, 4vw, 52px);
}
.disc-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--khaki);
  margin-bottom: 18px;
}
.disc-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.7rem, 3.6vw, 2.55rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  max-width: 26ch;
  margin-bottom: 24px;
}
.disclaimer-card p {
  color: var(--on-dark-soft);
  font-size: 1rem;
  line-height: 1.7;
  max-width: 72ch;
}
.disclaimer-card p + p { margin-top: 16px; }
.disclaimer-card strong { color: var(--on-dark); font-weight: 600; }

/* ============================================================
   FINAL CTA BAND
   ============================================================ */
.cta-band {
  position: relative;
  border-top: 1px solid var(--line-dark);
  background-color: #1A2013;
  background-image:
    linear-gradient(rgba(236, 238, 225, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(236, 238, 225, 0.035) 1px, transparent 1px);
  background-size: 72px 72px, 72px 72px;
  color: var(--on-dark);
  padding: clamp(76px, 10vw, 124px) 0;
}
.cta-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: clamp(32px, 5vw, 64px);
  max-width: 800px;
}
.cta-copy { display: grid; justify-items: start; gap: 22px; }
.cta-row { display: flex; align-items: center; flex-wrap: wrap; gap: 26px; }
.wa-share {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--khaki);
  transition: color 0.2s ease;
}
.wa-share:hover { color: var(--on-dark); }
.wa-share svg { flex: none; }
.cta-app { display: grid; justify-items: center; gap: 10px; }
.cta-app-icon {
  width: 96px;
  height: 96px;
  border: 1px solid var(--line-dark);
  box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.28);
  transform: rotate(-2deg);
}
.cta-app-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
}
.cta-app-os {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  color: var(--khaki);
}
.cta-band h2 { font-weight: 700; }
.cta-band p { color: var(--on-dark-soft); font-size: 1.05rem; }
.cta-fine {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--khaki) !important;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--paper);
  border-top: 1px solid var(--line);
  padding: clamp(48px, 6vw, 72px) 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1.3fr);
  gap: 40px;
  padding-bottom: 48px;
}
.footer-brand .brand { margin-bottom: 16px; }
.footer-brand p { color: var(--ink-soft); font-size: 0.92rem; max-width: 34ch; }
.footer-disc {
  margin-top: 18px !important;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--ink-faint) !important;
  max-width: 40ch !important;
  line-height: 1.7 !important;
}
.footer-col h3 {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 16px;
}
.footer-col a {
  display: block;
  text-decoration: none;
  color: var(--ink-soft);
  font-size: 0.94rem;
  padding: 6px 0;
}
.footer-col a:hover { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }
.footer-col .btn { margin-bottom: 14px; }
.footer-app-icon { width: 48px; height: 48px; margin-bottom: 14px; }
.footer-fine {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink-faint);
  line-height: 1.8;
}
.footer-bottom {
  border-top: 1px solid var(--line);
  padding: 20px 0 26px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px 24px;
}
.footer-bottom p {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink-faint);
}

/* ============================================================
   LEGAL PAGES
   ============================================================ */
.legal { padding: calc(var(--nav-h) + 56px) 0 90px; }
.legal-inner { max-width: 780px; }

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ink-soft);
  margin-bottom: 34px;
}
.back-link:hover { color: var(--ink); }

.legal-head { margin-bottom: 40px; }
.legal-head .disc-tag { color: var(--olive-deep); margin-bottom: 14px; }
.legal-head h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.2rem, 5vw, 3.2rem);
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin-bottom: 14px;
}
.legal-updated {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-faint);
  margin-bottom: 20px;
}
.legal-intro {
  color: var(--ink-soft);
  font-size: 1.02rem;
  line-height: 1.7;
  max-width: 62ch;
}

.legal-toc {
  border: 1px solid var(--line);
  background: var(--paper-2);
  padding: 22px 26px;
  margin-bottom: 52px;
}
.toc-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 14px;
}
.legal-toc ol {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 32px;
  counter-reset: toc;
}
.legal-toc li { counter-increment: toc; }
.legal-toc a {
  display: block;
  position: relative;
  text-decoration: none;
  font-size: 0.9rem;
  color: var(--ink-soft);
  padding: 9px 0;
  border-top: 1px solid var(--line-soft);
  line-height: 1.4;
}
.legal-toc a::before {
  content: counter(toc, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--olive-deep);
  margin-right: 12px;
}
.legal-toc a::after {
  content: "";
  position: absolute;
  left: 0; right: 0;
  bottom: 5px;
  height: 1px;
  background: var(--olive-deep);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}
.legal-toc a:hover { color: var(--ink); }
.legal-toc a:hover::after { transform: scaleX(1); }

.legal-body h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.35rem;
  letter-spacing: -0.01em;
  margin: 46px 0 14px;
  scroll-margin-top: calc(var(--nav-h) + 24px);
}
.legal-body section { scroll-margin-top: calc(var(--nav-h) + 24px); }
.legal-body p {
  color: var(--ink-soft);
  line-height: 1.72;
  margin-bottom: 14px;
  max-width: 66ch;
}
.legal-body strong { color: var(--ink); font-weight: 600; }
.legal-body ul { padding-left: 22px; margin: 0 0 16px; }
.legal-body ul li {
  color: var(--ink-soft);
  line-height: 1.7;
  margin-bottom: 8px;
  list-style: square;
}
.legal-body a {
  color: var(--olive-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.legal-body a:hover { color: var(--ink); }

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  margin: 22px 0 8px;
  border: 1px solid var(--line);
  background: var(--paper);
}
.data-table th, .data-table td {
  text-align: left;
  vertical-align: top;
  padding: 12px 14px;
  border-bottom: 1px solid var(--line-soft);
  line-height: 1.55;
}
.data-table thead th {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
  background: var(--paper-2);
}
.data-table tbody tr:last-child th, .data-table tbody tr:last-child td { border-bottom: none; }
.data-table tbody th { font-weight: 600; color: var(--ink); white-space: nowrap; }
.data-table td { color: var(--ink-soft); }

/* ============================================================
   404
   ============================================================ */
.notfound {
  min-height: 100vh;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 120px 0 80px;
  background-color: var(--dark);
  color: var(--on-dark);
  overflow: hidden;
}
.notfound-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(236, 238, 225, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(236, 238, 225, 0.04) 1px, transparent 1px);
  background-size: 72px 72px;
}
.notfound-top {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  padding: 26px 0;
}
.notfound-brand {
  color: var(--on-dark);
}
.notfound-brand .brand-khaki { color: var(--olive-lt); }
.notfound .disc-tag { position: relative; }
.notfound-content { position: relative; }
.notfound-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.2rem, 6vw, 3.6rem);
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin: 14px 0 20px;
}
.notfound-sub {
  color: var(--on-dark-soft);
  font-size: 1.02rem;
  max-width: 44ch;
  line-height: 1.7;
  margin-bottom: 34px;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 980px) {
  .section-head { grid-template-columns: 1fr; gap: 18px; align-items: start; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-card { min-height: 0; }
  .premium-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .exam-row {
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 26px 0;
  }
  .exam-code { width: max-content; }
}

/* tablet portrait: keep the two-card grids two-up (overrides the 980px collapse) */
@media (min-width: 768px) and (max-width: 980px) {
  .feature-grid { grid-template-columns: 1.25fr 1fr; }
  .premium-grid { grid-template-columns: 1.35fr 1fr; gap: 24px; }
  .feature-card { min-height: 300px; }
}

@media (max-width: 860px) {
  .nav-links, .nav-cta-wrap .nav-cta { display: none; }
  .site-menu { display: block; }
  .stat-row { grid-template-columns: 1fr 1fr; gap: 22px 16px; }
}

@media (max-width: 760px) {
  .hero-inner { grid-template-columns: 1fr; row-gap: 40px; }
  .hero-preview { justify-self: start; width: min(100%, 330px); margin-left: auto; margin-right: auto; }
  .hero-stats { grid-column: 1; }
}

@media (max-width: 560px) {
  .hero { min-height: 0; padding-top: calc(var(--nav-h) + 34px); padding-bottom: 54px; }
  .hero-eyebrow { max-width: 30ch; margin-bottom: 14px; font-size: 0.62rem; line-height: 1.7; }
  .hero-title { font-size: clamp(2.35rem, 11vw, 3.2rem); margin-bottom: 22px; }
  .hero-sub { font-size: 1rem; line-height: 1.58; margin-bottom: 28px; }
  .hero-actions { align-items: stretch; gap: 18px; margin-bottom: 18px; }
  .hero-actions .btn-lg { width: 100%; }
  .hero-actions .link-underline { align-self: center; }
  .hero-preview { width: min(100%, 310px); }
  .hero-stats { margin-top: 48px; }
  .stat-row { gap: 18px 12px; }
  .stat { padding-left: 11px; }
  .stat-num { font-size: 1.45rem; }
  .stat-label { font-size: 0.58rem; letter-spacing: 0.1em; line-height: 1.4; }
  .cta-inner { grid-template-columns: 1fr; }
  .quiz-opts { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 4px; }
  .legal-toc ol { grid-template-columns: 1fr; }
  .score-row { grid-template-columns: 70px 1fr 48px; }
  .mini-q > span:first-child { width: 92px; }
}

/* ============================================================
   REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .hero-scroll .cue-line::after { animation: none; top: 0; }
}