/* ============================================================
   VellumGuard — stylesheet
   Aesthetic: editorial / ink-on-vellum / calm authority
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,400;0,9..144,500;0,9..144,600;1,9..144,400&family=Newsreader:ital,opsz,wght@0,6..72,400;0,6..72,500;1,6..72,400&family=JetBrains+Mono:wght@400;500&display=swap');

/* ---------- tokens ---------- */
:root {
  --paper:        #F4ECD8;
  --paper-deep:   #EBE0C6;
  --paper-edge:   #E0D3B2;
  --ink:          #1A1410;
  --ink-soft:     #4A4137;
  --ink-faint:    #7A6F5E;
  --rubric:       #C4452E;   /* manuscript red */
  --rubric-deep:  #A1361F;
  --gild:         #B08D3E;   /* aged gold */
  --line:         #CDBE99;

  --serif-display: 'Fraunces', Georgia, serif;
  --serif-body:    'Newsreader', Georgia, serif;
  --mono:          'JetBrains Mono', ui-monospace, monospace;

  --measure: 68ch;
  --gut: clamp(1.5rem, 4vw, 4rem);
  --maxw: 1180px;
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; overflow-x: clip; }
body {
  font-family: var(--serif-body);
  font-size: 1.18rem;
  line-height: 1.62;
  color: var(--ink);
  background: var(--paper);
  background-image:
    radial-gradient(circle at 18% 12%, rgba(176,141,62,0.06), transparent 42%),
    radial-gradient(circle at 88% 78%, rgba(196,69,46,0.05), transparent 46%);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* subtle paper grain */
body::before {
  content: "";
  position: fixed; inset: 0;
  pointer-events: none; z-index: 1;
  opacity: 0.5;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E");
}

img { max-width: 100%; display: block; }
a { color: inherit; }

/* ---------- layout ---------- */
.wrap { max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gut); position: relative; z-index: 2; }
section { position: relative; z-index: 2; }

/* ---------- typography ---------- */
h1, h2, h3, h4 { font-family: var(--serif-display); font-weight: 500; line-height: 1.08; letter-spacing: -0.015em; }
h1 { font-size: clamp(2.7rem, 6.4vw, 5.1rem); font-weight: 600; }
h2 { font-size: clamp(2rem, 4vw, 3.1rem); }
h3 { font-size: clamp(1.35rem, 2.2vw, 1.7rem); }
p  { max-width: var(--measure); }

.eyebrow {
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--rubric);
  font-weight: 500;
}
.lead { font-size: clamp(1.2rem, 1.8vw, 1.4rem); color: var(--ink-soft); }
em.it { font-style: italic; }
.rubric { color: var(--rubric); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 0.55em;
  font-family: var(--mono); font-size: 0.82rem; font-weight: 500;
  letter-spacing: 0.06em; text-transform: uppercase;
  padding: 0.92em 1.6em; text-decoration: none;
  border: 1.5px solid var(--ink);
  transition: transform .18s ease, background .18s ease, color .18s ease, box-shadow .18s ease;
  cursor: pointer;
}
.btn-solid { background: var(--ink); color: var(--paper); }
.btn-solid:hover { background: var(--rubric); border-color: var(--rubric); transform: translateY(-2px); box-shadow: 0 8px 22px -10px rgba(196,69,46,0.6); }
.btn-ghost { background: transparent; color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: var(--paper); transform: translateY(-2px); }
.btn-arrow { transition: transform .18s ease; }
.btn:hover .btn-arrow { transform: translateX(3px); }

/* ---------- access-request form ---------- */
/* Status messages: hidden by default; :not([hidden]) makes them block when
   the hidden attribute is removed, without relying on inline display:block
   which would override the UA [hidden]{display:none} rule. */
.form-status          { display: none; font-family: var(--mono); font-size: .8rem; margin-top: .7rem; }
.form-status:not([hidden]) { display: block; }

.form-fields { display: flex; flex-direction: column; gap: .65rem; width: 100%; text-align: left; margin-top: .2rem; }
.form-label {
  display: block; font-family: var(--mono); font-size: .74rem;
  letter-spacing: .1em; text-transform: uppercase; opacity: .65;
  margin-bottom: .3rem;
}
.form-opt { text-transform: none; opacity: .55; margin-left: .35em; }
.form-input {
  display: block; width: 100%;
  font-family: var(--mono); font-size: .88rem;
  padding: .75em 1.1em;
  border: 1.5px solid currentColor; background: transparent; color: inherit;
  opacity: .9;
  transition: opacity .15s ease;
}
.form-input:focus { opacity: 1; outline: 2px solid currentColor; outline-offset: 2px; }
.form-input::placeholder { opacity: .4; }
textarea.form-input { resize: vertical; min-height: 4.8rem; }

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(8px);
  background: rgba(244,236,216,0.86);
  border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; padding-block: 1rem; }
.brand { display: flex; align-items: center; gap: 0.6rem; text-decoration: none; color: var(--ink); }
.brand-mark {
  width: 34px; height: 34px; flex: none;
  border: 1.5px solid var(--ink);
  display: grid; place-items: center;
  font-family: var(--serif-display); font-weight: 600; font-size: 1.15rem;
  background: var(--ink); color: var(--paper);
}
.brand-name { font-family: var(--serif-display); font-weight: 600; font-size: 1.32rem; letter-spacing: -0.02em; }
.brand-name span { color: var(--rubric); }
.nav-links { display: flex; align-items: center; gap: 2rem; list-style: none; }
.nav-links a:not(.btn) {
  text-decoration: none; font-size: 0.96rem; color: var(--ink-soft);
  transition: color .15s ease; position: relative;
}
.nav-links a:not(.btn):hover { color: var(--ink); }
.nav-links a:not(.btn)::after {
  content: ""; position: absolute; left: 0; bottom: -4px;
  width: 0; height: 1.5px; background: var(--rubric); transition: width .2s ease;
}
.nav-links a:not(.btn):hover::after { width: 100%; }
.nav-cta { font-family: var(--mono); font-size: 0.78rem; letter-spacing: 0.06em; text-transform: uppercase; }
.nav-links a.btn {
  color: var(--paper);
  background: var(--ink);
  border-color: var(--ink);
}
.nav-links a.btn:hover {
  color: var(--paper);
  background: var(--rubric);
  border-color: var(--rubric);
}
.nav-links a.btn::after { display: none; }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 0.4rem; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--ink); margin: 5px 0; transition: .2s; }

/* ============================================================
   HERO
   ============================================================ */
.hero { padding-top: clamp(3.5rem, 8vw, 7rem); padding-bottom: clamp(3rem, 6vw, 5.5rem); position: relative; }
.hero-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: center; }
.hero-grid > * { min-width: 0; }
.hero-folio {
  font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--ink-faint); margin-bottom: 1.6rem;
}
.hero h1 { margin-bottom: 1.5rem; }
.hero h1 .ghost { color: var(--ink-faint); font-style: italic; font-weight: 400; }
.hero-lead { margin-bottom: 2.2rem; }
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 2.4rem; }
.hero-trust {
  display: flex; gap: 1.6rem; flex-wrap: wrap;
  font-family: var(--mono); font-size: 0.74rem; letter-spacing: 0.05em;
  color: var(--ink-faint); padding-top: 1.6rem; border-top: 1px solid var(--line);
}
.hero-trust b { color: var(--ink-soft); font-weight: 500; }

/* code card */
.code-card {
  background: var(--ink); color: #E9E0CC;
  border-radius: 4px; overflow: hidden;
  box-shadow: 0 28px 60px -28px rgba(26,20,16,0.55);
  transform: rotate(-1.4deg);
  transition: transform .3s ease;
}
.code-card:hover { transform: rotate(0deg); }
.code-top {
  display: flex; align-items: center; gap: 0.5rem;
  padding: 0.75rem 1rem; background: #241D17; border-bottom: 1px solid #3a302600;
}
.code-dot { width: 11px; height: 11px; border-radius: 50%; }
.code-dot.r { background: #C4452E; }
.code-dot.y { background: #B08D3E; }
.code-dot.g { background: #6f7d4a; }
.code-file {
  margin-left: auto; font-family: var(--mono); font-size: 0.72rem; color: #8a7d68;
}
.code-body {
  padding: 1.4rem 1.5rem; font-family: var(--mono); font-size: 0.86rem;
  line-height: 1.85; overflow-x: auto; max-width: 100%;
}
.code-body .ln { display: block; white-space: pre; }
.tk-kw  { color: #d98c6a; }
.tk-fn  { color: #d6b86a; }
.tk-str { color: #9fb37a; }
.tk-cm  { color: #6d6253; font-style: italic; }
.tk-pn  { color: #c7bca6; }

/* ============================================================
   MARQUEE / threat strip
   ============================================================ */
.strip {
  background: var(--ink); color: var(--paper);
  padding-block: 0.85rem; overflow: hidden; white-space: nowrap;
  border-block: 1px solid var(--ink);
}
.strip-track { display: inline-block; animation: slide 38s linear infinite; }
.strip-track span {
  font-family: var(--mono); font-size: 0.8rem; letter-spacing: 0.14em;
  text-transform: uppercase; padding-inline: 2rem;
}
.strip-track span::after { content: "✦"; color: var(--rubric); margin-left: 4rem; }
@keyframes slide { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ============================================================
   SECTION SHELL
   ============================================================ */
.band { padding-block: clamp(4rem, 9vw, 7.5rem); }
.band-tint { background: var(--paper-deep); border-block: 1px solid var(--line); }
.band-ink { background: var(--ink); color: var(--paper); }
.band-ink h2, .band-ink h3 { color: var(--paper); }
.band-ink .eyebrow { color: var(--gild); }
.band-ink p { color: #C9BFA8; }

.sec-head { max-width: 720px; margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.sec-head .eyebrow { display: block; margin-bottom: 1rem; }
.sec-head p { margin-top: 1rem; }

/* ---------- the problem ---------- */
.problem-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.problem-card {
  background: var(--paper); border: 1px solid var(--line);
  padding: 2rem 1.7rem; position: relative;
}
.band-tint .problem-card { background: var(--paper); }
.problem-num {
  font-family: var(--serif-display); font-size: 3rem; font-weight: 600;
  color: var(--paper-edge); line-height: 1; margin-bottom: 0.6rem;
  -webkit-text-stroke: 1px var(--line);
}
.problem-card h3 { margin-bottom: 0.6rem; font-size: 1.3rem; }
.problem-card p { font-size: 1.02rem; color: var(--ink-soft); }

/* ---------- steps ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; margin-top: 1rem; }
.step { padding: 2rem 1.8rem; border-right: 1px solid rgba(205,190,153,0.4); }
.step:last-child { border-right: none; }
.step-k {
  font-family: var(--mono); font-size: 0.78rem; letter-spacing: 0.1em;
  color: var(--gild); margin-bottom: 1rem;
}
.step h3 { margin-bottom: 0.7rem; }
.step p { font-size: 1.02rem; }

/* ---------- features ---------- */
.feat-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.feat {
  background: var(--paper); border: 1px solid var(--line);
  padding: 2.2rem 2rem; transition: transform .2s ease, box-shadow .2s ease;
}
.feat:hover { transform: translateY(-4px); box-shadow: 0 18px 36px -22px rgba(26,20,16,0.4); }
.feat-icon {
  width: 46px; height: 46px; margin-bottom: 1.2rem;
  border: 1.5px solid var(--ink); display: grid; place-items: center;
}
.feat-icon svg { width: 22px; height: 22px; }
.feat h3 { margin-bottom: 0.6rem; font-size: 1.32rem; }
.feat p { font-size: 1.04rem; color: var(--ink-soft); }

/* ---------- field guide / card link ---------- */
.feat-link {
  display: inline-block; margin-top: .9rem;
  font-family: var(--mono); font-size: .78rem; letter-spacing: .06em;
  text-transform: uppercase; color: var(--rubric); text-decoration: none;
  transition: opacity .15s ease;
}
.feat-link:hover { opacity: .7; }
.feat-caveat { margin-top: .6rem; font-size: .9rem; color: var(--ink-faint); font-style: italic; }

/* ---------- badges (live / coming-soon) ---------- */
.badge {
  display: inline-block; font-family: var(--mono); font-size: .68rem;
  letter-spacing: .1em; text-transform: uppercase;
  padding: .2em .65em; border: 1px solid var(--line);
  color: var(--ink-faint); margin-bottom: .8rem; vertical-align: middle;
}
.badge-live  { border-color: var(--gild); color: var(--gild); }
.badge-soon  { border-color: var(--ink-faint); color: var(--ink-faint); }

/* ---------- spec table ---------- */
.spec { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0; border: 1px solid var(--line); }
.spec-row {
  display: flex; justify-content: space-between; gap: 1rem;
  padding: 1.1rem 1.4rem; border-bottom: 1px solid var(--line);
  background: var(--paper);
}
.spec div:nth-child(odd) { border-right: 1px solid var(--line); }
.spec-row:nth-last-child(-n+2) { border-bottom: none; }
.spec-k { font-family: var(--mono); font-size: 0.8rem; color: var(--ink-faint); letter-spacing: 0.04em; }
.spec-v { font-family: var(--mono); font-size: 0.85rem; color: var(--ink); font-weight: 500; text-align: right; }

/* ---------- pricing ---------- */
.price-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.2rem; }
.price {
  background: var(--paper); border: 1px solid var(--line);
  padding: 2rem 1.6rem; display: flex; flex-direction: column;
}
.price.featured { border: 1.5px solid var(--ink); position: relative; }
.price.featured::before {
  content: "Most chosen"; position: absolute; top: -0.75rem; left: 1.6rem;
  background: var(--rubric); color: var(--paper);
  font-family: var(--mono); font-size: 0.66rem; letter-spacing: 0.1em;
  text-transform: uppercase; padding: 0.3em 0.8em;
}
.price-tier { font-family: var(--mono); font-size: 0.82rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--rubric); margin-bottom: 0.8rem; }
.price-amt { font-family: var(--serif-display); font-size: 2.6rem; font-weight: 600; line-height: 1; }
.price-amt small { font-family: var(--serif-body); font-size: 0.9rem; color: var(--ink-faint); font-weight: 400; }
.price-desc { font-size: 0.98rem; color: var(--ink-soft); margin: 0.8rem 0 1.2rem; min-height: 3.2em; }
.price ul { list-style: none; margin-bottom: 1.6rem; flex: 1; }
.price li { font-size: 0.96rem; padding: 0.4rem 0; padding-left: 1.4rem; position: relative; color: var(--ink-soft); }
.price li::before { content: "✦"; position: absolute; left: 0; color: var(--gild); font-size: 0.8rem; }
.price .btn { width: 100%; justify-content: center; }

/* ---------- cta ---------- */
.cta-box { text-align: center; max-width: 680px; margin-inline: auto; }
.cta-box h2 { margin-bottom: 1rem; }
.cta-box p { margin: 0 auto 2rem; }
.cta-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* ---------- footer ---------- */
.foot { background: var(--ink); color: var(--paper); padding-block: 3.5rem 2rem; }
.foot-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 2.5rem; margin-bottom: 3rem; }
.foot h4 {
  font-family: var(--mono); font-size: 0.74rem; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--gild); margin-bottom: 1.1rem; font-weight: 500;
}
.foot ul { list-style: none; }
.foot li { padding: 0.32rem 0; }
.foot a { color: #C9BFA8; text-decoration: none; font-size: 0.98rem; transition: color .15s ease; }
.foot a:hover { color: var(--paper); }
.foot-brand p { color: #9b8f78; font-size: 1rem; margin-top: 1rem; }
.foot-bot {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem;
  padding-top: 1.8rem; border-top: 1px solid #3a3026;
  font-family: var(--mono); font-size: 0.74rem; color: #8a7d68; letter-spacing: 0.04em;
}

/* ---------- page header (sub-pages) ---------- */
.page-head { padding-block: clamp(3rem, 7vw, 5.5rem) clamp(2rem, 4vw, 3rem); }
.page-head .eyebrow { display: block; margin-bottom: 1rem; }
.page-head h1 { font-size: clamp(2.4rem, 5vw, 3.8rem); margin-bottom: 1rem; }

/* prose blocks for docs/sub-pages */
.prose { max-width: var(--measure); }
.prose h2 { margin: 2.6rem 0 1rem; }
.prose h3 { margin: 1.8rem 0 0.7rem; }
.prose p { margin-bottom: 1.1rem; }
.prose ul, .prose ol { margin: 0 0 1.2rem 1.3rem; }
.prose li { margin-bottom: 0.4rem; }
.prose code {
  font-family: var(--mono); font-size: 0.86em;
  background: var(--paper-deep); padding: 0.12em 0.4em; border-radius: 3px;
  border: 1px solid var(--line);
}
.prose pre {
  background: var(--ink); color: #E9E0CC; padding: 1.3rem 1.5rem;
  border-radius: 4px; overflow-x: auto; margin-bottom: 1.4rem;
  font-family: var(--mono); font-size: 0.84rem; line-height: 1.7;
}
.prose pre code { background: none; border: none; padding: 0; color: inherit; }
.prose blockquote {
  border-left: 3px solid var(--rubric); padding-left: 1.2rem;
  font-style: italic; color: var(--ink-soft); margin-bottom: 1.4rem;
}
.prose a { color: var(--rubric); text-underline-offset: 3px; }

/* ---------- reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s cubic-bezier(.2,.6,.2,1), transform .7s cubic-bezier(.2,.6,.2,1); }
.reveal.in { opacity: 1; transform: none; }
.reveal[data-d="1"] { transition-delay: .08s; }
.reveal[data-d="2"] { transition-delay: .16s; }
.reveal[data-d="3"] { transition-delay: .24s; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 940px) {
  .hero-grid { grid-template-columns: 1fr; }
  .code-card { transform: rotate(0deg); }
  .problem-grid, .feat-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .step { border-right: none; border-bottom: 1px solid rgba(205,190,153,0.4); }
  .step:last-child { border-bottom: none; }
  .price-grid { grid-template-columns: repeat(2, 1fr); }
  .spec { grid-template-columns: 1fr; }
  .spec div:nth-child(odd) { border-right: none; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 620px) {
  body { font-size: 1.08rem; }
  /* nav drawer: the .nav parent uses backdrop-filter which creates a
     containing block for fixed children, so anchor the drawer with
     viewport-height and a solid background of its own. */
  .nav { overflow: visible; }
  .nav-links {
    position: fixed; top: 0; right: 0; bottom: 0;
    height: 100vh; width: min(80vw, 320px);
    background: var(--paper-deep);
    flex-direction: column; align-items: flex-start;
    padding: 5.5rem 2rem 2rem; gap: 1.6rem; margin: 0;
    transform: translateX(105%);
    transition: transform .32s cubic-bezier(.2,.7,.2,1);
    border-left: 1.5px solid var(--line); z-index: 45;
    box-shadow: -24px 0 60px -28px rgba(26,20,16,0.55);
  }
  .nav-links.open { transform: translateX(0); }
  .nav-links li { width: 100%; }
  .nav-links a:not(.btn) { font-size: 1.1rem; }
  .nav-toggle { display: block; z-index: 46; position: relative; }
  .price-grid { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr; }
  .hero-actions .btn, .cta-actions .btn { width: 100%; justify-content: center; }
  .hero h1 { font-size: clamp(2.2rem, 9vw, 3rem); }
  .code-body { font-size: 0.72rem; padding: 1.1rem 1rem; }
  .strip-track { animation-duration: 26s; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}