/* SecurePM — brand site. Warm-light institutional. Iron-oxide accent.
   Theme rationale: a sovereignty product's claim is "nothing leaves, nothing
   hidden" — an open, paper-light surface embodies that where dark-security
   templates conceal. */

:root {
  /* OKLCH, tinted warm. No pure black/white. */
  --paper:      oklch(0.975 0.008 82);
  --paper-2:    oklch(0.948 0.011 80);
  --paper-3:    oklch(0.915 0.013 78);
  --ink:        oklch(0.235 0.013 58);
  --ink-soft:   oklch(0.435 0.012 58);
  --ink-faint:  oklch(0.585 0.010 60);
  --line:       oklch(0.872 0.010 76);
  --line-firm:  oklch(0.795 0.012 74);
  --oxide:      oklch(0.535 0.142 42);
  --oxide-deep: oklch(0.430 0.130 40);
  --oxide-wash: oklch(0.945 0.030 50);
  --verify:     oklch(0.500 0.072 150);
  --verify-wash:oklch(0.945 0.028 150);

  --maxw: 1180px;
  --gutter: clamp(1.25rem, 4vw, 3.5rem);

  /* Fluid modular scale, ratio ~1.3 */
  --t--1: clamp(0.82rem, 0.80rem + 0.10vw, 0.88rem);
  --t-0:  clamp(1.00rem, 0.96rem + 0.18vw, 1.10rem);
  --t-1:  clamp(1.25rem, 1.15rem + 0.45vw, 1.55rem);
  --t-2:  clamp(1.60rem, 1.40rem + 0.95vw, 2.30rem);
  --t-3:  clamp(2.10rem, 1.70rem + 1.90vw, 3.40rem);
  --t-4:  clamp(2.90rem, 2.10rem + 3.70vw, 5.60rem);
  --t-5:  clamp(3.60rem, 2.30rem + 6.00vw, 7.40rem);

  --ease: cubic-bezier(0.16, 1, 0.3, 1); /* ease-out-expo-ish */
}

* { box-sizing: border-box; margin: 0; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: "Spectral", Georgia, "Times New Roman", serif;
  font-size: var(--t-0);
  line-height: 1.62;
  font-feature-settings: "kern" 1, "liga" 1, "onum" 1;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

h1, h2, h3, .display, .kicker, nav, .btn, .mono, .stat-n, label {
  font-family: "Archivo", "Helvetica Neue", Arial, sans-serif;
}
.mono, code, .egress pre {
  font-family: "Spline Sans Mono", ui-monospace, "SF Mono", Menlo, monospace;
}

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

.wrap { max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }

/* ---- top bar ---- */
.bar {
  position: sticky; top: 0; z-index: 50;
  background: oklch(0.975 0.008 82 / 0.82);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.bar .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: 0.6rem; font-family: "Archivo"; font-weight: 700; letter-spacing: -0.01em; font-size: 1.06rem; }
.brand .mark { width: 22px; height: 22px; }
.brand .mark path { stroke: var(--oxide); } /* var() doesn't resolve in SVG presentation attrs */
.bar nav { display: flex; gap: clamp(1rem, 2.5vw, 2.2rem); align-items: center; font-size: var(--t--1); font-weight: 500; }
.bar nav a { color: var(--ink-soft); text-decoration: none; transition: color .25s var(--ease); }
.bar nav a:hover { color: var(--ink); }
.bar nav a.cta { color: var(--oxide-deep); font-weight: 600; }
@media (max-width: 760px) { .bar nav a:not(.cta) { display: none; } }

/* ---- buttons ---- */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-weight: 600; font-size: var(--t-0); letter-spacing: -0.005em;
  padding: 0.78em 1.35em; border-radius: 2px; text-decoration: none;
  border: 1px solid transparent; cursor: pointer;
  transition: transform .3s var(--ease), background .25s var(--ease), border-color .25s var(--ease);
}
.btn-primary { background: var(--ink); color: var(--paper); }
.btn-primary:hover { background: var(--oxide-deep); transform: translateY(-2px); }
.btn-ghost { border-color: var(--line-firm); color: var(--ink); }
.btn-ghost:hover { border-color: var(--ink); transform: translateY(-2px); }

/* ---- kicker / section grammar ---- */
.kicker {
  display: inline-flex; align-items: center; gap: 0.55rem;
  font-size: var(--t--1); font-weight: 600; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--oxide-deep);
}
.kicker::before { content: ""; width: 26px; height: 1px; background: var(--oxide); }

section { padding-block: clamp(4rem, 9vw, 8.5rem); }
.lede { font-size: var(--t-1); line-height: 1.5; color: var(--ink-soft); max-width: 60ch; }
h2 { font-size: var(--t-3); font-weight: 800; line-height: 1.04; letter-spacing: -0.025em; max-width: 18ch; }
h3 { font-size: var(--t-1); font-weight: 700; letter-spacing: -0.015em; line-height: 1.2; }
p { max-width: 68ch; }

/* ---- hero ---- */
.hero { padding-top: clamp(3rem, 7vw, 6rem); padding-bottom: clamp(3rem, 6vw, 5rem); position: relative; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: center; }
@media (max-width: 940px) { .hero-grid { grid-template-columns: 1fr; } }
.hero h1 {
  font-family: "Archivo"; font-weight: 800;
  font-size: var(--t-5); line-height: 0.96; letter-spacing: -0.035em;
  font-stretch: 112%;
  margin-top: 1.4rem;
}
.hero h1 .ox { color: var(--oxide); }
.hero .lede { margin-top: 1.5rem; }
.hero .actions { display: flex; gap: 0.9rem; margin-top: 2.1rem; flex-wrap: wrap; }
.hero .undertag { margin-top: 1.5rem; font-size: var(--t--1); color: var(--ink-faint); display: flex; align-items: center; gap: 0.5rem; }
.hero .undertag b { color: var(--verify); font-family: "Archivo"; font-weight: 600; }

/* schematic panel */
.schematic { border: 1px solid var(--line-firm); background: var(--paper-2); border-radius: 4px; padding: clamp(1rem, 2.5vw, 1.6rem); box-shadow: 0 1px 0 var(--paper-3), 0 30px 60px -40px oklch(0.4 0.05 60 / 0.5); }
.schematic .cap { display: flex; justify-content: space-between; align-items: baseline; font-family: "Archivo"; font-size: var(--t--1); color: var(--ink-faint); letter-spacing: 0.04em; margin-bottom: 0.8rem; }
.schematic .cap b { color: var(--ink); font-weight: 600; }

/* ---- proof / egress artifact ---- */
.egress { border: 1px solid var(--line-firm); border-radius: 4px; overflow: hidden; background: var(--paper-2); }
.egress .head { display: flex; align-items: center; gap: 0.6rem; padding: 0.7rem 1rem; border-bottom: 1px solid var(--line); font-family: "Spline Sans Mono", ui-monospace, monospace; font-size: var(--t--1); color: var(--ink-soft); }
.egress .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--verify); box-shadow: 0 0 0 4px var(--verify-wash); }
.egress pre { margin: 0; padding: 1rem 1.2rem; font-size: var(--t--1); line-height: 1.7; color: var(--ink); overflow-x: auto; }
.egress pre .k { color: var(--oxide-deep); }
.egress pre .v { color: var(--verify); }
.egress pre .c { color: var(--ink-faint); }

/* ---- the gap: two columns ---- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(1.5rem, 4vw, 4rem); margin-top: 3rem; }
@media (max-width: 820px){ .split { grid-template-columns: 1fr; } }
.col-note { font-size: var(--t--1); letter-spacing: 0.1em; text-transform: uppercase; font-family: "Archivo"; font-weight: 600; color: var(--ink-faint); padding-bottom: 0.8rem; border-bottom: 1px solid var(--line-firm); margin-bottom: 1.2rem; }
.col-rovo .col-note { color: var(--ink-faint); }
.col-us .col-note { color: var(--oxide-deep); border-color: var(--oxide); }

/* ---- numbered capabilities ---- */
.caps { display: grid; gap: clamp(1.5rem, 3vw, 2.5rem); margin-top: 3rem; }
.cap-row { display: grid; grid-template-columns: auto 1fr; gap: clamp(1.2rem, 3vw, 2.5rem); padding-bottom: clamp(1.5rem,3vw,2.5rem); border-bottom: 1px solid var(--line); align-items: start; }
.cap-row:last-child { border-bottom: 0; }
.cap-n { font-family: "Archivo"; font-weight: 800; font-size: var(--t-2); color: var(--oxide); font-stretch: 75%; line-height: 1; letter-spacing: -0.02em; }
.cap-row p { margin-top: 0.6rem; color: var(--ink-soft); }

/* ---- field demo ---- */
.fields { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(1.2rem, 3vw, 2.4rem); margin-top: 2.6rem; }
@media (max-width: 820px){ .fields { grid-template-columns: 1fr; } }
.field-card { border: 1px solid var(--line-firm); border-radius: 4px; padding: 1.3rem 1.4rem; background: var(--paper-2); }
.field-card h3 { font-size: var(--t-0); color: var(--ink-faint); font-family:"Archivo"; letter-spacing: 0.04em; text-transform: uppercase; margin-bottom: 1rem; }
.lozenge { display: inline-flex; align-items: center; gap: 0.4rem; font-family:"Archivo"; font-weight: 600; font-size: var(--t--1); padding: 0.3em 0.7em; border-radius: 2px; margin: 0 0.4rem 0.4rem 0; }
.lz-set { background: var(--oxide-wash); color: var(--oxide-deep); border: 1px solid oklch(0.535 0.142 42 / 0.35); }
.lz-empty { background: transparent; color: var(--ink-faint); border: 1px dashed var(--line-firm); }
.field-card .meta { font-size: var(--t--1); color: var(--ink-faint); margin-top: 0.6rem; }

/* ---- audience strip ---- */
.aud { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 4px; overflow: hidden; margin-top: 2.6rem; }
.aud div { background: var(--paper); padding: 1.6rem 1.5rem; }
.aud h3 { font-size: var(--t-0); }
.aud p { font-size: var(--t--1); color: var(--ink-soft); margin-top: 0.4rem; }

/* ---- CTA ---- */
.cta-band { background: var(--ink); color: var(--paper); border-radius: 6px; padding: clamp(2.2rem, 5vw, 4rem); display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 2.5rem; align-items: center; }
@media (max-width: 820px){ .cta-band { grid-template-columns: 1fr; } }
.cta-band h2 { color: var(--paper); max-width: 16ch; }
.cta-band .lede { color: oklch(0.85 0.01 80); }
.cta-band .btn-primary { background: var(--oxide); color: var(--paper); }
.cta-band .btn-primary:hover { background: var(--paper); color: var(--ink); }
.cta-band .btn-ghost { border-color: oklch(0.6 0.02 70); color: var(--paper); }
.cta-band .btn-ghost:hover { border-color: var(--paper); }

/* ---- footer ---- */
footer { border-top: 1px solid var(--line); padding-block: 3rem; font-size: var(--t--1); color: var(--ink-faint); }
footer .wrap { display: flex; justify-content: space-between; gap: 1.5rem; flex-wrap: wrap; align-items: center; }
footer a { color: var(--ink-soft); text-decoration: none; }
footer a:hover { color: var(--oxide-deep); }
.codename { font-family:"Spline Sans Mono", monospace; }

/* ---- reveal motion (transform/opacity only) ---- */
.rv { opacity: 0; transform: translateY(18px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.rv.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce){ .rv { opacity: 1; transform: none; transition: none; } }

/* hero stagger on load */
.hero .stg { opacity: 0; transform: translateY(14px); animation: rise .9s var(--ease) forwards; }
.hero .stg:nth-child(1){ animation-delay: .05s; }
.hero h1.stg { animation-delay: .12s; }
.hero .lede.stg { animation-delay: .22s; }
.hero .actions.stg { animation-delay: .32s; }
.hero .undertag.stg { animation-delay: .42s; }
.hero .schematic { opacity: 0; transform: translateY(20px) scale(0.99); animation: rise 1s var(--ease) .3s forwards; }
@keyframes rise { to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce){ .hero .stg, .hero .schematic { opacity:1; transform:none; animation:none; } }