/* ============================================================
   AgentiCorporation — corporate site
   Design system: "The Seam"
   ============================================================ */

:root {
  /* palette */
  --ink:        #0F1E1C;   /* deep pine-ink — primary dark surface */
  --ink-2:      #16302C;   /* raised dark panel */
  --paper:      #F0EFE9;   /* warm-cool stationery — primary light surface */
  --paper-2:    #E8E7DE;   /* dimmed paper / cards on light */
  --brass:      #A8854A;   /* traditional finance accent (value, engraving) */
  --brass-soft: #C3A572;   /* brass on dark */
  --signal:     #2F8F7E;   /* emerging finance accent (on-chain, digital) */
  --signal-soft:#54B6A2;   /* signal on dark */
  --mute:       #586a63;   /* secondary text on light */
  --mute-d:     rgba(240,239,233,0.62); /* secondary text on dark */
  --line:       rgba(15,30,28,0.14);
  --line-d:     rgba(240,239,233,0.16);

  /* type */
  --serif:  "Libre Caslon Display", Georgia, "Times New Roman", serif;
  --serift: "Libre Caslon Text", Georgia, serif;
  --sans:   "Hanken Grotesk", system-ui, -apple-system, sans-serif;
  --mono:   "IBM Plex Mono", ui-monospace, "SFMono-Regular", monospace;

  /* metrics */
  --maxw: 1140px;
  --gutter: clamp(20px, 5vw, 64px);
  --nav-h: 68px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

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

.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding-inline: var(--gutter);
}

/* ---------- typographic primitives ---------- */
.kicker {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--mute);
  font-weight: 500;
  margin: 0 0 18px;
}
.kicker .tick { color: var(--brass); }
.on-dark .kicker, .footer .kicker { color: var(--mute-d); }

h1, h2, h3 { font-family: var(--serif); font-weight: 400; line-height: 1.05; margin: 0; }
.display {
  font-family: var(--serif);
  font-size: clamp(2.4rem, 6.2vw, 4.6rem);
  letter-spacing: -0.01em;
}
.h2 { font-size: clamp(1.9rem, 4vw, 3rem); letter-spacing: -0.01em; }
.h3 { font-size: clamp(1.3rem, 2.4vw, 1.7rem); }
em.trad { color: var(--brass); font-style: normal; }
em.emer { color: var(--signal); font-style: normal; }

p { margin: 0 0 1.1em; }
.lead { font-size: clamp(1.05rem, 1.6vw, 1.3rem); color: var(--mute); max-width: 60ch; }
.on-dark .lead { color: var(--mute-d); }

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  height: var(--nav-h);
  display: flex; align-items: center;
  transition: background .35s ease, border-color .35s ease, backdrop-filter .35s ease;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(240,239,233,0.82);
  backdrop-filter: saturate(1.4) blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  width: 100%; max-width: var(--maxw); margin: 0 auto;
  padding-inline: var(--gutter);
  display: flex; align-items: center; justify-content: space-between;
}
.wordmark {
  display: inline-flex; align-items: center; gap: 11px;
  text-decoration: none; color: var(--ink);
  font-weight: 700; letter-spacing: 0.02em;
}
.wm-mark { width: 18px; height: 18px; flex: 0 0 auto; }
.wm-text { font-family: var(--sans); font-size: 15px; font-weight: 700; }
.wm-text .sub {
  font-family: var(--mono); font-weight: 500; font-size: 12.5px;
  letter-spacing: 0.16em; color: var(--mute);
}
.nav-links { display: flex; align-items: center; gap: 30px; }
.nav-link {
  position: relative; text-decoration: none; color: var(--ink);
  font-size: 14px; font-weight: 500; letter-spacing: 0.01em; padding: 4px 0;
}
.nav-link::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: -2px;
  height: 1.5px; background: var(--brass); transition: right .3s ease;
}
.nav-link:hover::after, .nav-link[aria-current="page"]::after { right: 0; }
.nav-link[aria-current="page"] { color: var(--ink); }
.nav-cta {
  font-family: var(--mono); font-size: 12.5px; letter-spacing: 0.08em;
  text-transform: uppercase; text-decoration: none;
  border: 1px solid var(--ink); color: var(--ink);
  padding: 9px 16px; border-radius: 2px; transition: all .25s ease;
}
.nav-cta:hover { background: var(--ink); color: var(--paper); }

.nav-toggle {
  display: none; background: none; border: 0; cursor: pointer;
  width: 40px; height: 40px; padding: 8px;
}
.nav-toggle span { display: block; height: 1.5px; background: var(--ink); margin: 5px 0; transition: .3s; }

@media (max-width: 860px) {
  .nav-links {
    position: fixed; inset: var(--nav-h) 0 auto 0;
    flex-direction: column; align-items: flex-start; gap: 0;
    background: var(--paper); border-bottom: 1px solid var(--line);
    padding: 8px var(--gutter) 22px;
    transform: translateY(-120%); transition: transform .4s cubic-bezier(.2,.8,.2,1);
    box-shadow: 0 24px 40px -28px rgba(15,30,28,.5);
  }
  .nav.open .nav-links { transform: translateY(0); }
  .nav-links .nav-link { width: 100%; padding: 14px 0; border-bottom: 1px solid var(--line); font-size: 16px; }
  .nav-links .nav-cta { margin-top: 16px; }
  .nav-toggle { display: block; }
  .nav.open .nav-toggle span:nth-child(1){ transform: translateY(6.5px) rotate(45deg); }
  .nav.open .nav-toggle span:nth-child(2){ opacity: 0; }
  .nav.open .nav-toggle span:nth-child(3){ transform: translateY(-6.5px) rotate(-45deg); }
}

/* ============================================================
   SEAM — the signature device (brass→teal hairline + medallion)
   ============================================================ */
.seam { position: relative; height: 1px; margin: 0 auto; max-width: var(--maxw); }
.seam-line {
  height: 1px; width: 100%;
  background: linear-gradient(90deg, var(--brass), var(--signal));
  background: linear-gradient(90deg,
    var(--brass) 0%, var(--brass) 40%,
    color-mix(in srgb, var(--brass), var(--signal)) 50%,
    var(--signal) 60%, var(--signal) 100%);
  transform: scaleX(0); transform-origin: center;
  transition: transform 1.1s cubic-bezier(.16,.84,.32,1);
}
.seam.in .seam-line, .reveal.in .seam-line { transform: scaleX(1); }
.seam-medallion {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%,-50%) scale(.4); opacity: 0;
  transition: all .6s ease .5s;
}
.seam.in .seam-medallion { opacity: 1; transform: translate(-50%,-50%) scale(1); }
.med-bg { fill: var(--paper); }
.on-dark .med-bg { fill: var(--ink); }
.med-ring { stroke: var(--line); }
.on-dark .med-ring { stroke: var(--line-d); }
.med-l { stroke: var(--brass); }
.med-r { stroke: var(--signal); }
.on-dark .med-l { stroke: var(--brass-soft); }
.on-dark .med-r { stroke: var(--signal-soft); }
.wm-mark .wm-ring { stroke: currentColor; }
.on-dark .seam-line {
  background: linear-gradient(90deg,
    var(--brass-soft) 0%, var(--brass-soft) 40%,
    color-mix(in srgb, var(--brass-soft), var(--signal-soft)) 50%,
    var(--signal-soft) 60%, var(--signal-soft) 100%);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  padding-top: calc(var(--nav-h) + clamp(48px, 11vh, 120px));
  padding-bottom: clamp(40px, 8vh, 90px);
}
.hero .display { max-width: 16ch; }
.hero .display .reveal-word { display: inline-block; }
.hero-sub { margin-top: 26px; max-width: 54ch; }

/* the bridge graphic */
.bridge { margin: clamp(46px, 8vh, 86px) 0 0; }
.bridge-labels {
  display: flex; justify-content: space-between; align-items: flex-end;
  gap: 20px; margin-bottom: 16px;
}
.bridge-side { max-width: 38%; }
.bridge-side .tag {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.2em;
  text-transform: uppercase; font-weight: 500; display: block; margin-bottom: 6px;
}
.bridge-side.left  .tag { color: var(--brass); }
.bridge-side.right { text-align: right; }
.bridge-side.right .tag { color: var(--signal); }
.bridge-side .meta { font-size: 13.5px; color: var(--mute); line-height: 1.4; }
.bridge .seam { max-width: none; }

@media (max-width: 620px) {
  .bridge-labels { flex-direction: column; align-items: stretch; gap: 22px; }
  .bridge-side, .bridge-side.right { max-width: none; text-align: left; }
}

/* ============================================================
   SECTIONS
   ============================================================ */
.section { padding-block: clamp(64px, 11vh, 128px); }
.section.tight { padding-block: clamp(48px, 8vh, 88px); }
.section.on-dark { background: var(--ink); color: var(--paper); }
.section.on-dark .section-title { color: var(--paper); }

.section-head { max-width: 64ch; margin-bottom: clamp(34px, 5vh, 60px); }
.section-title { font-size: clamp(1.9rem, 4vw, 3rem); letter-spacing: -0.01em; }
.section-head .lead { margin-top: 20px; }

/* two-column editorial layout */
.split { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: clamp(28px, 6vw, 80px); align-items: start; }
.split .aside .kicker { margin-bottom: 14px; }
.split .aside .h3 { line-height: 1.12; }
@media (max-width: 820px){ .split { grid-template-columns: 1fr; gap: 28px; } }

/* pull statement */
.statement {
  font-family: var(--serift); font-style: italic;
  font-size: clamp(1.4rem, 3vw, 2.1rem); line-height: 1.32;
  max-width: 26ch; color: var(--ink);
}
.on-dark .statement { color: var(--paper); }

/* ============================================================
   BRANDS
   ============================================================ */
.brands { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.on-dark .brands { background: var(--line-d); border-color: var(--line-d); }
@media (max-width: 720px){ .brands { grid-template-columns: 1fr; } }

.brand-card {
  background: var(--paper); padding: clamp(28px, 4vw, 46px);
  display: flex; flex-direction: column; min-height: 280px; position: relative;
  transition: background .3s ease;
}
.on-dark .brand-card { background: var(--ink); }
.brand-card .status {
  font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.16em;
  text-transform: uppercase; display: inline-flex; align-items: center; gap: 8px;
  margin-bottom: auto;
}
.brand-card .status .dot { width: 7px; height: 7px; border-radius: 50%; }
.status.live  { color: var(--signal); }
.status.live .dot { background: var(--signal); box-shadow: 0 0 0 0 var(--signal); animation: pulse 2.4s infinite; }
.on-dark .status.live { color: var(--signal-soft); }
.on-dark .status.live .dot { background: var(--signal-soft); }
.status.soon  { color: var(--brass); }
.status.soon .dot { background: var(--brass); }
.on-dark .status.soon { color: var(--brass-soft); }
.on-dark .status.soon .dot { background: var(--brass-soft); }
@keyframes pulse { 0%{box-shadow:0 0 0 0 rgba(47,143,126,.5);} 70%{box-shadow:0 0 0 7px rgba(47,143,126,0);} 100%{box-shadow:0 0 0 0 rgba(47,143,126,0);} }
@media (prefers-reduced-motion: reduce){ .status.live .dot { animation: none; } }

.brand-name { font-family: var(--serif); font-size: clamp(1.6rem, 3vw, 2.3rem); margin: 26px 0 10px; }
.brand-desc { color: var(--mute); margin-bottom: 20px; max-width: 42ch; }
.on-dark .brand-desc { color: var(--mute-d); }
.brand-link {
  font-family: var(--mono); font-size: 13px; letter-spacing: 0.06em;
  text-decoration: none; color: var(--ink);
  display: inline-flex; align-items: center; gap: 8px; align-self: flex-start;
}
.on-dark .brand-link { color: var(--paper); }
.brand-link .arr { transition: transform .25s ease; }
.brand-link:hover .arr { transform: translateX(4px); }
.brand-link[data-disabled] { color: var(--mute); pointer-events: none; }
.brand-card:hover { background: var(--paper-2); }
.on-dark .brand-card:hover { background: var(--ink-2); }

/* ============================================================
   APPROACH / PILLARS
   ============================================================ */
.pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; }
@media (max-width: 820px){ .pillars { grid-template-columns: 1fr; } }
.pillar { padding-top: 26px; border-top: 1px solid var(--line); }
.on-dark .pillar { border-color: var(--line-d); }
.pillar .num { font-family: var(--mono); font-size: 12px; letter-spacing: .1em; color: var(--brass); }
.on-dark .pillar .num { color: var(--brass-soft); }
.pillar h3 { font-size: 1.3rem; margin: 14px 0 10px; }
.pillar p { font-size: 15px; color: var(--mute); margin: 0; }
.on-dark .pillar p { color: var(--mute-d); }

/* ============================================================
   BACKED BY
   ============================================================ */
.backed { display: flex; align-items: center; justify-content: center; gap: 18px; flex-wrap: wrap; text-align: center; }
.backed .kicker { margin: 0; }
.backed .name { font-family: var(--serif); font-size: clamp(1.5rem, 3vw, 2.1rem); }
.backed .name span { color: var(--brass); }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--mono); font-size: 13px; letter-spacing: 0.06em; text-transform: uppercase;
  text-decoration: none; cursor: pointer; border-radius: 2px;
  padding: 13px 22px; border: 1px solid var(--ink); background: var(--ink); color: var(--paper);
  transition: all .25s ease;
}
.btn:hover { background: transparent; color: var(--ink); }
.btn.ghost { background: transparent; color: var(--ink); }
.btn.ghost:hover { background: var(--ink); color: var(--paper); }
.on-dark .btn { background: var(--paper); color: var(--ink); border-color: var(--paper); }
.on-dark .btn:hover { background: transparent; color: var(--paper); }
.btn-row { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 30px; }

/* ============================================================
   CONTACT FORM
   ============================================================ */
.contact-grid { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: clamp(32px, 6vw, 80px); align-items: start; }
@media (max-width: 820px){ .contact-grid { grid-template-columns: 1fr; gap: 36px; } }

.contact-aside .row { padding: 18px 0; border-top: 1px solid var(--line); }
.contact-aside .row .lbl { font-family: var(--mono); font-size: 11.5px; letter-spacing: .16em; text-transform: uppercase; color: var(--mute); margin-bottom: 6px; }
.contact-aside .row a { color: var(--ink); text-decoration: none; border-bottom: 1px solid var(--brass); }
.contact-aside .row .addr { color: var(--ink); line-height: 1.5; }

.field { margin-bottom: 20px; }
.field label { display: block; font-family: var(--mono); font-size: 11.5px; letter-spacing: .14em; text-transform: uppercase; color: var(--mute); margin-bottom: 8px; }
.field input, .field textarea, .field select {
  width: 100%; font-family: var(--sans); font-size: 16px; color: var(--ink);
  background: transparent; border: 0; border-bottom: 1px solid var(--line);
  padding: 10px 2px; transition: border-color .25s ease;
}
.field textarea { resize: vertical; min-height: 120px; }
.field input:focus, .field textarea:focus, .field select:focus { outline: none; border-bottom-color: var(--brass); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
@media (max-width: 560px){ .field-row { grid-template-columns: 1fr; } }
.form-status { font-family: var(--mono); font-size: 13px; margin-top: 4px; min-height: 20px; }
.form-status.ok  { color: var(--signal); }
.form-status.err { color: #b1492f; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer { background: var(--ink); color: var(--paper); padding-block: clamp(56px, 8vh, 84px); }
.footer a { color: var(--paper); text-decoration: none; }
.foot-top { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; margin-bottom: 50px; }
@media (max-width: 760px){ .foot-top { grid-template-columns: 1fr 1fr; gap: 30px; } }
@media (max-width: 480px){ .foot-top { grid-template-columns: 1fr; } }
.foot-brand .wm-text { color: var(--paper); }
.foot-brand .wm-text .sub { color: var(--mute-d); }
.foot-brand p { color: var(--mute-d); font-size: 14px; max-width: 34ch; margin-top: 16px; }
.foot-col h4 { font-family: var(--mono); font-size: 11.5px; letter-spacing: .16em; text-transform: uppercase; color: var(--brass-soft); font-weight: 500; margin: 0 0 16px; }
.foot-col ul { list-style: none; margin: 0; padding: 0; }
.foot-col li { margin-bottom: 11px; }
.foot-col a { font-size: 14.5px; color: var(--mute-d); transition: color .2s ease; }
.foot-col a:hover { color: var(--paper); }
.foot-legal {
  border-top: 1px solid var(--line-d); padding-top: 26px;
  font-family: var(--mono); font-size: 12px; line-height: 1.7; color: var(--mute-d);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 14px;
}
.foot-legal .entity { max-width: 64ch; }

/* ============================================================
   REVEAL ANIMATION
   ============================================================ */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .8s ease, transform .8s cubic-bezier(.16,.84,.32,1); }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .08s; }
.reveal.d2 { transition-delay: .16s; }
.reveal.d3 { transition-delay: .24s; }
.reveal.d4 { transition-delay: .32s; }
@media (prefers-reduced-motion: reduce){
  .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
  .seam-line { transform: scaleX(1) !important; transition: none !important; }
  .seam-medallion { opacity: 1 !important; transform: translate(-50%,-50%) scale(1) !important; transition: none !important; }
}

/* focus visibility (quality floor) */
:focus-visible { outline: 2px solid var(--signal); outline-offset: 3px; border-radius: 1px; }

.skip-link {
  position: absolute; left: -9999px; top: 8px; z-index: 200;
  background: var(--ink); color: var(--paper); padding: 10px 16px; border-radius: 2px;
  font-family: var(--mono); font-size: 13px;
}
.skip-link:focus { left: 8px; }