/* ============================================================
   otai commodities: private brokerage
   Industrial, but elite. Dark graphite + brass. Distinct from otai.io.
   ============================================================ */

:root {
  --bg:        #0c0d0f;
  --bg-2:      #101216;
  --panel:     #14161b;
  --ink:       #e9eaec;
  --muted:     #8b8f94;
  --faint:     #565a5f;
  --gold:      #c6a253;
  --gold-lt:   #ddba6f;
  --gold-dp:   #9c7d38;
  --line:      rgba(255,255,255,.11);
  --line-2:    rgba(255,255,255,.06);
  --line-gold: rgba(198,162,83,.32);

  --display: "Archivo", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;

  --maxw: 1200px;
  --gutter: clamp(22px, 6vw, 60px);
  --ease: cubic-bezier(.22,.61,.36,1);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: var(--sans); font-weight: 300; font-size: 17px; line-height: 1.7;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: var(--gold); text-decoration: none; transition: color .25s var(--ease); }
a:hover { color: var(--gold-lt); }
::selection { background: var(--gold); color: #14110a; }

h1, h2, h3, h4 { font-family: var(--display); font-weight: 600; margin: 0; line-height: 1.08; letter-spacing: -.015em; }
p { margin: 0 0 1.2em; }

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

/* monospace technical label */
.label {
  font-family: var(--mono); font-weight: 500;
  font-size: .72rem; letter-spacing: .22em; text-transform: uppercase;
  color: var(--gold); margin: 0; display: inline-flex; align-items: center; gap: .8em;
}
.label::before { content: ""; width: 24px; height: 1px; background: var(--gold); display: inline-block; }
.center .label { justify-content: center; }
.label--plain::before { display: none; }

.rule { width: 60px; height: 1px; background: var(--gold); border: 0; margin: 26px 0; }
.center .rule { margin-inline: auto; }

/* ---------- header ---------- */
.top { position: absolute; top: 0; left: 0; right: 0; z-index: 20; padding-block: 26px; }
.top::after { content: ""; position: absolute; left: var(--gutter); right: var(--gutter); bottom: 0; height: 1px; background: var(--line-2); }
.top__inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.wordmark { display: inline-flex; align-items: center; gap: 14px; }
.wordmark__logo { height: 25px; width: auto; filter: brightness(0) invert(1); }
.wordmark__div { width: 1px; height: 20px; background: var(--line); }
.wordmark__sub { font-family: var(--mono); font-size: .66rem; letter-spacing: .3em; text-transform: uppercase; color: var(--gold); }
.top__cta {
  font-family: var(--mono); font-size: .7rem; letter-spacing: .2em; text-transform: uppercase;
  color: var(--ink); padding: .5em 0; border-bottom: 1px solid var(--line);
}
.top__cta:hover { color: var(--gold-lt); border-color: var(--gold); }

/* ---------- hero ---------- */
.hero {
  position: relative; min-height: 100svh; display: flex; align-items: center;
  background:
    radial-gradient(120% 80% at 15% -10%, rgba(198,162,83,.09), transparent 55%),
    linear-gradient(180deg, var(--bg-2), var(--bg));
  overflow: hidden;
}
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(var(--line-2) 1px, transparent 1px);
  background-size: 100% 88px; opacity: .5; mask-image: linear-gradient(180deg, transparent, #000 30%, #000 70%, transparent);
}
.hero::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: var(--line); }
.hero__inner { position: relative; padding-block: 150px 96px; max-width: 940px; }
.hero h1 {
  font-size: clamp(2.6rem, 6.6vw, 5.2rem); font-weight: 600;
  line-height: 1.02; letter-spacing: -.025em; margin: 26px 0 0;
}
.hero h1 .hl { color: var(--gold-lt); }
.hero__sub { font-size: clamp(1.05rem, 1.7vw, 1.26rem); color: var(--muted); font-weight: 300; max-width: 640px; margin: 30px 0 42px; }
.hero__meta { display: flex; gap: 30px; flex-wrap: wrap; align-items: center; }
.btn {
  display: inline-flex; align-items: center; gap: .8em;
  font-family: var(--mono); font-weight: 500; font-size: .72rem; letter-spacing: .18em; text-transform: uppercase;
  color: #16130b; background: var(--gold);
  padding: 1.15em 2em; border-radius: 1px; border: 0; cursor: pointer;
  transition: transform .22s var(--ease), background .22s var(--ease), box-shadow .22s var(--ease);
}
.btn:hover { transform: translateY(-2px); background: var(--gold-lt); color: #16130b; box-shadow: 0 12px 34px rgba(198,162,83,.20); }
.btn--ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); padding: 1.05em 2em; }
.btn--ghost:hover { border-color: var(--gold); color: var(--gold-lt); background: transparent; box-shadow: none; }
.hero__note { font-family: var(--mono); font-size: .7rem; letter-spacing: .14em; text-transform: uppercase; color: var(--faint); }

/* ---------- sections ---------- */
.section { padding-block: clamp(78px, 11vw, 140px); position: relative; }
.section--panel { background: var(--bg-2); border-block: 1px solid var(--line-2); }
.section__head { max-width: 660px; }
.section__head h2 { font-size: clamp(1.9rem, 4vw, 2.9rem); font-weight: 600; margin-top: 20px; letter-spacing: -.02em; }
.section__head.center { margin-inline: auto; }

/* offerings: 2x2 spec grid */
.offer {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 1px; background: var(--line); border: 1px solid var(--line);
  margin-top: 60px;
}
@media (max-width: 720px) { .offer { grid-template-columns: 1fr; } }
.offer__item { background: var(--bg); padding: 42px 40px; transition: background .3s var(--ease); position: relative; }
.offer__item:hover { background: var(--panel); }
.offer__no { font-family: var(--mono); font-size: .78rem; letter-spacing: .1em; color: var(--gold); }
.offer__item h3 { font-size: 1.5rem; font-weight: 600; margin: 18px 0 14px; letter-spacing: -.01em; }
.offer__item p { color: var(--muted); font-size: .97rem; margin: 0; }

/* statement */
.statement { max-width: 900px; margin-inline: auto; text-align: center; }
.statement p {
  font-family: var(--display); font-size: clamp(1.5rem, 3.2vw, 2.4rem);
  font-weight: 500; line-height: 1.28; color: var(--ink); letter-spacing: -.015em; margin: 0;
}
.statement p .hl { color: var(--gold-lt); }

/* pillars */
.pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); margin-top: 64px; }
@media (max-width: 720px) { .pillars { grid-template-columns: 1fr; } }
.pillar { background: var(--bg-2); padding: 32px 30px; }
.pillar .n { font-family: var(--mono); font-size: .72rem; color: var(--gold); letter-spacing: .1em; }
.pillar h4 { font-family: var(--display); font-size: 1.18rem; font-weight: 600; margin: 12px 0 8px; }
.pillar p { color: var(--muted); font-size: .93rem; margin: 0; }

/* markets band */
.markets-band { padding-block: clamp(58px, 8vw, 96px); }
.markets {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1px; background: var(--line); border: 1px solid var(--line); margin-top: 28px;
}
.markets span {
  background: var(--bg); text-align: center; padding: 26px 16px;
  font-family: var(--display); font-weight: 600; font-size: clamp(.98rem, 1.4vw, 1.15rem);
  letter-spacing: -.01em; color: var(--ink); transition: background .3s var(--ease), color .3s var(--ease);
}
.markets span:hover { background: var(--panel); color: var(--gold-lt); }

/* ---------- enquiry ---------- */
.enquire { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 7vw, 84px); align-items: start; }
@media (max-width: 860px) { .enquire { grid-template-columns: 1fr; gap: 44px; } }
.enquire__aside h2 { font-size: clamp(1.9rem, 3.8vw, 2.7rem); font-weight: 600; margin-top: 16px; letter-spacing: -.02em; }
.enquire__aside .rule { margin-block: 24px; }
.enquire__aside .line { margin-bottom: 22px; }
.enquire__aside .k { font-family: var(--mono); font-size: .68rem; letter-spacing: .2em; text-transform: uppercase; color: var(--faint); margin-bottom: 7px; }
.enquire__aside .v { font-family: var(--display); font-weight: 600; font-size: 1.25rem; color: var(--ink); letter-spacing: -.01em; }

.form { display: grid; gap: 28px; }
.field { position: relative; }
.field label { display: block; font-family: var(--mono); font-size: .66rem; letter-spacing: .2em; text-transform: uppercase; color: var(--muted); margin-bottom: 12px; }
.field input, .field textarea {
  width: 100%; font-family: var(--sans); font-weight: 300; font-size: 1rem; color: var(--ink);
  background: transparent; border: 0; border-bottom: 1px solid var(--line);
  padding: 6px 2px 12px; transition: border-color .25s var(--ease);
}
.field textarea { resize: vertical; min-height: 92px; }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--gold); }
.field input::placeholder, .field textarea::placeholder { color: var(--faint); }
.form-status { font-family: var(--mono); font-size: .82rem; letter-spacing: .02em; display: none; padding-top: 4px; }
.form-status.ok { display: block; color: var(--gold-lt); }
.form-status.err { display: block; color: #d98b74; }
.form__fine { font-size: .78rem; color: var(--faint); }

/* ---------- footer ---------- */
.foot { border-top: 1px solid var(--line); padding-block: 46px 40px; }
.foot__inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.foot__mark { display: inline-flex; align-items: center; gap: 12px; }
.foot__mark img { height: 20px; filter: brightness(0) invert(1); opacity: .92; }
.foot__mark span { font-family: var(--mono); font-size: .68rem; letter-spacing: .28em; text-transform: uppercase; color: var(--gold); }
.foot__links { display: flex; gap: 26px; flex-wrap: wrap; font-family: var(--mono); font-size: .68rem; letter-spacing: .12em; text-transform: uppercase; }
.foot__links a { color: var(--muted); }
.foot__links a:hover { color: var(--gold-lt); }
.foot__legal { color: var(--faint); font-size: .78rem; letter-spacing: .01em; margin-top: 26px; max-width: 760px; line-height: 1.7; }

/* ---------- reveal ---------- */
.rise { opacity: 0; transform: translateY(20px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.rise.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .rise { opacity: 1; transform: none; transition: none; } html { scroll-behavior: auto; } }