/* ============================================================
   SANCTUMBOARD.COM — Governance, with proof
   The Sanctum design system: deep institutional navy for trust,
   azure for intelligence, brass reserved for the seal.
   ============================================================ */

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

:root {
  --ground:      #f4f7fb;
  --surface:     #ffffff;
  --ink:         #10233e;
  --ink-soft:    #4e6180;
  --ink-faint:   #8b9ab1;
  --line:        #dfe7f1;
  --trust:       #14477d;
  --trust-soft:  #e3edf8;
  --trust-ink:   #0e3560;
  --navy:        #0e2947;
  --sky:         #2d7dd2;
  --sky-soft:    #eaf3fc;
  --seal:        #9a7b3f;
  --seal-soft:   #f5efdf;
  --assent:      #1c8a5b;
  --assent-soft: #e5f4ec;
  --serif: Georgia, "Times New Roman", "Source Serif 4", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
}

html { scroll-behavior: smooth; }
body { font-family: var(--sans); background: var(--ground); color: var(--ink); line-height: 1.65; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; }
a { color: var(--trust); }
.container { max-width: 1060px; margin: 0 auto; padding: 0 24px; }
.center { text-align: center; }

h1 { font-family: var(--serif); font-size: clamp(38px, 6vw, 58px); line-height: 1.08; letter-spacing: -0.015em; font-weight: 600; }
h2 { font-family: var(--serif); font-size: clamp(28px, 4vw, 38px); line-height: 1.15; letter-spacing: -0.01em; font-weight: 600; margin-bottom: 10px; }
h3 { font-size: 17px; font-weight: 700; }

.eyebrow { font-size: 12px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--sky); margin-bottom: 14px; }
.eyebrow--light { color: #9fc7f2; }
.section__lead { font-size: 17px; color: var(--ink-soft); max-width: 640px; margin-bottom: 18px; }
.section__lead--light { color: #cfe0f2; }
.section__body { font-size: 15px; color: var(--ink-soft); max-width: 620px; }
.section__note { font-size: 13px; color: var(--ink-faint); margin-top: 22px; max-width: 680px; }
.section__note--light { color: #9db8d4; }

/* Buttons */
.btn { display: inline-block; text-decoration: none; font-weight: 700; border-radius: 999px; transition: transform .12s ease, box-shadow .12s ease; }
.btn:hover { transform: translateY(-1px); box-shadow: 0 10px 24px -14px rgba(16,35,62,.5); }
.btn--solid { background: var(--trust); color: #fff; padding: 14px 28px; font-size: 15px; }
.btn--ghost { border: 1.5px solid var(--trust); color: var(--trust); padding: 12.5px 26px; font-size: 15px; background: transparent; }
.section--navy .btn--ghost { border-color: #7fb2e8; color: #cfe0f2; }
.btn--small { padding: 9px 20px; font-size: 13px; }
.btn--big { padding: 16px 36px; font-size: 17px; }

/* Nav */
.nav { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.92); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.nav__inner { display: flex; align-items: center; gap: 28px; height: 64px; }
.nav__logo { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.nav__mark { display: inline-flex; width: 30px; height: 30px; border-radius: 9px; background: var(--trust); color: #fff; font-weight: 800; font-size: 15px; align-items: center; justify-content: center; }
.nav__word { font-family: var(--serif); font-weight: 600; font-size: 19px; }
.nav__word em { font-style: normal; color: var(--trust); }
.nav__links { display: flex; gap: 22px; list-style: none; margin-left: auto; }
.nav__links a { text-decoration: none; color: var(--ink-soft); font-size: 14px; font-weight: 600; }
.nav__links a:hover { color: var(--trust); }
@media (max-width: 860px) { .nav__links { display: none; } .nav__inner { justify-content: space-between; } }

/* Hero */
.hero { padding: 84px 0 70px; background:
  radial-gradient(1000px 460px at 85% -10%, var(--trust-soft) 0%, transparent 60%),
  radial-gradient(700px 380px at 0% 10%, var(--sky-soft) 0%, transparent 55%);
}
.hero__lead { font-size: 19px; color: var(--ink-soft); max-width: 660px; margin-top: 20px; }
.hero__lead strong { color: var(--trust-ink); }
.hero__ctas { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 28px; }
.hero__promise { margin-top: 18px; font-size: 13.5px; font-weight: 600; color: var(--trust-ink); }

/* Hero product panel */
.hero__panel { margin-top: 46px; border: 1px solid var(--line); border-radius: 18px; background: var(--surface); box-shadow: 0 30px 70px -40px rgba(16,35,62,.45); overflow: hidden; max-width: 780px; }
.panel__bar { display: flex; align-items: center; gap: 12px; padding: 12px 18px; border-bottom: 1px solid var(--line); }
.panel__dot { width: 10px; height: 10px; border-radius: 50%; background: var(--sky); }
.panel__brand { font-family: var(--serif); font-weight: 600; font-size: 14px; }
.panel__tabs { margin-left: auto; display: flex; gap: 14px; font-size: 12px; }
.panel__tabs b { color: var(--trust-ink); background: var(--trust-soft); padding: 3px 10px; border-radius: 999px; }
.panel__tabs i { font-style: normal; color: var(--ink-faint); padding: 3px 2px; }
@media (max-width: 640px) { .panel__tabs i { display: none; } }
.panel__body { display: grid; grid-template-columns: 1.1fr 1fr; }
@media (max-width: 640px) { .panel__body { grid-template-columns: 1fr; } }
.panel__pam { padding: 20px; border-right: 1px solid var(--line); }
@media (max-width: 640px) { .panel__pam { border-right: 0; border-bottom: 1px solid var(--line); } }
.pam__name { font-size: 12px; font-weight: 700; color: var(--sky); margin-bottom: 8px; }
.pam__line { background: var(--ground); border-radius: 14px; padding: 12px 14px; font-size: 13.5px; color: var(--ink-soft); }
.panel__cards { padding: 16px; display: flex; flex-direction: column; gap: 10px; }
.card { border: 1px solid var(--line); border-radius: 14px; padding: 12px 14px; font-size: 13px; color: var(--ink-soft); }
.card p { margin: 6px 0; color: var(--ink); }
.card em { color: var(--ink-faint); font-style: normal; font-size: 12px; }
.card--seal { border-color: var(--seal); }
.chip { display: inline-block; font-size: 10.5px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; padding: 3px 9px; border-radius: 999px; }
.chip--seal { background: var(--seal-soft); color: var(--seal); }
.chip--green { background: var(--assent-soft); color: var(--assent); }
.btnlet { display: inline-block; background: var(--trust); color: #fff; font-size: 12px; font-weight: 700; padding: 6px 14px; border-radius: 999px; }

/* Sections */
.section { padding: 78px 0; }
.section--tint { background: var(--surface); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section--navy { background: linear-gradient(160deg, var(--navy) 0%, var(--trust-ink) 100%); color: #fff; }
.section--navy h2 { color: #fff; }
.section--bridge { background: var(--surface); border-top: 1px solid var(--line); }
.section--final { padding: 90px 0; }
.section--split { display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; }
@media (max-width: 860px) { .section--split { grid-template-columns: 1fr; } }

/* Trio */
.trio { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 34px; }
@media (max-width: 860px) { .trio { grid-template-columns: 1fr; } }
.trio__item { background: var(--surface); border: 1px solid var(--line); border-radius: 18px; padding: 26px; }
.section--tint .trio__item { background: var(--ground); }
.trio__glyph { display: inline-flex; width: 44px; height: 44px; border-radius: 13px; align-items: center; justify-content: center; font-weight: 800; font-size: 19px; margin-bottom: 14px; }
.trio__glyph--sky { background: var(--sky-soft); color: var(--sky); }
.trio__glyph--seal { background: var(--seal-soft); color: var(--seal); }
.trio__glyph--trust { background: var(--trust-soft); color: var(--trust); font-size: 16px; }
.trio__item p { font-size: 14px; color: var(--ink-soft); margin-top: 8px; }

/* Rooms */
.rooms { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; margin-top: 30px; }
@media (max-width: 720px) { .rooms { grid-template-columns: 1fr; } }
.room { background: var(--ground); border: 1px solid var(--line); border-radius: 18px; padding: 24px; }
.room__q { font-family: var(--serif); font-size: 17px; color: var(--trust); margin: 4px 0 8px; }
.room p { font-size: 14px; color: var(--ink-soft); }

/* Thread */
.thread { position: relative; padding-left: 30px; }
.thread::before { content: ""; position: absolute; left: 14px; top: 10px; bottom: 10px; width: 2px; background: var(--line); }
.thread__node { position: relative; display: flex; gap: 14px; align-items: flex-start; padding: 10px 0; font-size: 13.5px; color: var(--ink-soft); }
.thread__node b { color: var(--ink); }
.thread__glyph { position: relative; z-index: 1; margin-left: -30px; flex: 0 0 30px; width: 30px; height: 30px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; font-size: 13px; color: #fff; box-shadow: 0 0 0 4px var(--ground); }
.g--trust { background: var(--trust); }
.g--sky { background: var(--sky); }
.g--plain { background: #fff; color: var(--ink-soft); border: 1px solid var(--line); }
.g--seal { background: var(--seal-soft); color: var(--seal); border: 1px solid var(--seal); }
.g--green { background: var(--assent); }
.ok { color: var(--assent); font-weight: 700; }

/* Passport mock */
.passport { background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.16); border-radius: 18px; padding: 22px; max-width: 720px; margin-top: 26px; }
.passport__head { display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap; align-items: center; font-size: 14px; font-weight: 700; margin-bottom: 18px; }
.passport__rows > div { display: grid; grid-template-columns: 220px 1fr auto; gap: 14px; align-items: center; font-size: 13px; padding: 8px 0; color: #cfe0f2; }
@media (max-width: 640px) { .passport__rows > div { grid-template-columns: 1fr; gap: 6px; } }
.passport__rows b { color: #fff; font-weight: 600; }
.bar { display: block; height: 7px; border-radius: 999px; background: rgba(255,255,255,.15); overflow: hidden; }
.bar i { display: block; height: 100%; border-radius: 999px; background: #57d99a; }
.passport__foot { font-size: 12px; color: #9db8d4; margin-top: 14px; }

/* Compare */
.compare { border: 1px solid var(--line); border-radius: 18px; overflow: hidden; background: var(--surface); margin-top: 26px; }
.compare__row { display: grid; grid-template-columns: 1fr 1.35fr; }
.compare__row + .compare__row { border-top: 1px solid var(--line); }
.compare__row span { padding: 16px 20px; font-size: 14px; color: var(--ink-soft); }
.compare__row span + span { border-left: 1px solid var(--line); background: var(--trust-soft); color: var(--trust-ink); }
.compare__row b { color: var(--trust-ink); }
.compare__row--head span { font-size: 12px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-faint); background: var(--ground); }
.compare__row--head span + span { color: var(--trust); background: var(--trust-soft); }
@media (max-width: 720px) {
  .compare__row { grid-template-columns: 1fr; }
  .compare__row span + span { border-left: 0; border-top: 1px dashed var(--line); }
}

/* Tenets */
.grid-6 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 30px; }
@media (max-width: 860px) { .grid-6 { grid-template-columns: 1fr; } }
.tenet { background: var(--ground); border: 1px solid var(--line); border-radius: 16px; padding: 20px; font-size: 13.5px; color: var(--ink-soft); }
.tenet b { display: block; color: var(--ink); margin-bottom: 5px; font-size: 14px; }

/* Plans */
.plans { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 30px; }
@media (max-width: 960px) { .plans { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .plans { grid-template-columns: 1fr; } }
.plan { background: var(--surface); border: 1px solid var(--line); border-radius: 18px; padding: 24px; }
.plan--feature { border-color: var(--trust); box-shadow: 0 18px 44px -30px rgba(20,71,125,.55); }
.plan__price { font-family: var(--serif); font-size: 30px; color: var(--trust-ink); margin: 6px 0 8px; }
.plan__price span { font-size: 14px; color: var(--ink-faint); font-family: var(--sans); }
.plan p { font-size: 13px; color: var(--ink-soft); }

/* Bridge */
.bridge { display: grid; grid-template-columns: 1.2fr auto; gap: 40px; align-items: center; }
@media (max-width: 860px) { .bridge { grid-template-columns: 1fr; } }
.bridge__ctas { display: flex; flex-direction: column; gap: 12px; }

/* Footer */
.footer { background: var(--navy); color: #cfe0f2; padding: 46px 0 30px; }
.footer__inner { display: flex; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
.footer__brand p { font-size: 13px; color: #9db8d4; margin-top: 6px; }
.footer b { font-family: var(--serif); font-size: 17px; color: #fff; }
.footer ul { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.footer a { color: #cfe0f2; text-decoration: none; font-size: 14px; }
.footer a:hover { color: #fff; text-decoration: underline; }
.footer__legal { border-top: 1px solid rgba(255,255,255,.14); margin-top: 30px; padding-top: 20px; }
.footer__legal p { font-size: 12px; color: #9db8d4; }