/* ===========================================================
   Tolga's AI Hardware Co. — "The Gilded Ledger"
   An 18th-century trading-house identity: parchment, brass,
   maroon wax, double rules. Deliberately one visual world —
   not adapted for a dark-mode toggle, the way a printed ledger
   isn't either.
   =========================================================== */

:root {
  --parchment:       #efe3c4;
  --parchment-2:      #e6d6ac;
  --parchment-deep:    #ddc890;
  --ink:              #2c1d10;
  --ink-soft:          #5a4327;
  --brass:            #8a6a2a;
  --brass-bright:      #a9822f;
  --maroon:           #6b1f1f;
  --maroon-deep:       #4a1414;
  --gold-leaf:        #caa348;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--parchment);
  background-image:
    radial-gradient(ellipse at top left, rgba(138, 106, 42, .10), transparent 55%),
    radial-gradient(ellipse at bottom right, rgba(107, 31, 31, .07), transparent 55%);
  background-attachment: fixed;
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  line-height: 1.6;
}

a { color: var(--maroon); text-decoration: none; border-bottom: 1px solid rgba(107, 31, 31, .35); }
a:hover { color: var(--maroon-deep); border-bottom-color: var(--maroon-deep); }

::selection { background: var(--gold-leaf); color: var(--ink); }

/* ---------- letterhead / header ---------- */

.site-header {
  padding: 1.8rem 1.5rem 0;
  text-align: center;
}

.letterhead .eyebrow {
  font-size: .68rem;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--brass);
}

.letterhead .brand {
  display: block;
  font-size: 2.3rem;
  font-variant: small-caps;
  letter-spacing: .03em;
  color: var(--ink);
  border-bottom: none;
  margin: .3rem 0;
}
.letterhead .brand:hover { color: var(--maroon-deep); }

.letterhead .motto {
  font-style: italic;
  color: var(--ink-soft);
  font-size: .95rem;
}

.letterhead .seal {
  width: 62px;
  height: 62px;
  border-radius: 50%;
  margin: 1rem auto .2rem;
  background: radial-gradient(circle at 35% 30%, var(--maroon), var(--maroon-deep) 70%);
  border: 2px solid var(--brass);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .6rem;
  line-height: 1.15;
  color: #e9c98a;
  text-align: center;
  font-variant: small-caps;
  box-shadow: 0 2px 4px rgba(44, 29, 16, .25);
}

.ledger-rule {
  border: none;
  border-top: 2px double var(--brass);
  max-width: 980px;
  margin: 1.2rem auto 0;
}

nav.ledger-nav {
  max-width: 980px;
  margin: 0 auto;
  padding: .8rem 1rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.4rem;
  font-size: .78rem;
  font-variant: small-caps;
  letter-spacing: .05em;
}
nav.ledger-nav a { color: var(--brass); border-bottom: none; }
nav.ledger-nav a:hover { color: var(--maroon); }

/* ---------- layout ---------- */

main { max-width: 900px; margin: 0 auto; padding: 2rem 1.5rem 4rem; }

.site-footer {
  text-align: center;
  color: var(--ink-soft);
  font-style: italic;
  font-size: .85rem;
  padding: 2rem 1rem 3rem;
  max-width: 900px;
  margin: 0 auto;
}
.site-footer::before {
  content: "";
  display: block;
  border-top: 2px double var(--brass);
  max-width: 300px;
  margin: 0 auto 1.5rem;
}

h1 {
  font-size: 1.9rem;
  font-variant: small-caps;
  letter-spacing: .02em;
  margin-bottom: .3rem;
  text-wrap: balance;
}
h2 {
  font-size: 1.3rem;
  font-variant: small-caps;
  letter-spacing: .02em;
  margin-top: 2.4rem;
  border-bottom: 1px solid var(--brass);
  padding-bottom: .3rem;
}
h3 { font-size: 1.15rem; font-variant: small-caps; letter-spacing: .01em; margin: 0 0 .2rem; }

.tagline, .eyebrow-text {
  color: var(--ink-soft);
  font-size: 1.05rem;
  font-style: italic;
  margin-bottom: 2rem;
  max-width: 62ch;
}

/* ---------- cards ("charters") ---------- */

.card {
  background: var(--parchment-2);
  border: 1px solid var(--brass);
  padding: 1.3rem 1.5rem;
  margin-bottom: 1.3rem;
  position: relative;
}
.card::before {
  content: "";
  position: absolute;
  inset: 5px;
  border: 1px solid rgba(138, 106, 42, .4);
  pointer-events: none;
}

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1.1rem; }

/* ---------- specs ---------- */

.spec-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: .4rem 0;
  border-bottom: 1px dotted var(--brass);
}
.spec-row:last-child { border-bottom: none; }
.spec-label { color: var(--ink-soft); font-variant: small-caps; letter-spacing: .02em; }
.spec-value { font-weight: 700; text-align: right; }

.explain {
  font-size: .87rem;
  font-style: italic;
  color: var(--ink-soft);
  margin: .15rem 0 .7rem;
}

.badge {
  display: inline-block;
  font-size: .68rem;
  font-variant: small-caps;
  letter-spacing: .08em;
  padding: .2rem .6rem;
  border-radius: 2px;
  border: 1px solid var(--brass);
  color: var(--brass);
  background: rgba(138, 106, 42, .08);
}
.badge.warn { border-color: var(--maroon); color: var(--maroon); }

.price {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--maroon);
  font-variant: small-caps;
}

/* ---------- the reckoning (math box) ---------- */

.math-box {
  background: var(--parchment);
  border-top: 2px double var(--brass);
  border-bottom: 2px double var(--brass);
  padding: 1rem 1.2rem;
  font-family: "Courier New", Courier, monospace;
  font-size: .92rem;
  color: var(--ink);
  margin: .9rem 0 1.3rem;
  white-space: pre-wrap;
}

/* ---------- tables ---------- */

table { width: 100%; border-collapse: collapse; margin: 1rem 0; }
th, td { text-align: left; padding: .6rem .7rem; border-bottom: 1px solid var(--brass); font-size: .92rem; }
th {
  color: var(--ink);
  font-weight: 700;
  font-variant: small-caps;
  letter-spacing: .04em;
  border-bottom: 2px double var(--brass);
}
tr:hover td { background: rgba(138, 106, 42, .06); }

/* ---------- buttons ---------- */

.btn {
  display: inline-block;
  background: var(--maroon);
  color: var(--parchment);
  font-variant: small-caps;
  letter-spacing: .03em;
  font-weight: 700;
  padding: .6rem 1.3rem;
  border: 1px solid var(--brass);
  border-radius: 0;
  cursor: pointer;
  font-size: .95rem;
  font-family: inherit;
}
.btn:hover { background: var(--maroon-deep); text-decoration: none; }
.btn.secondary {
  background: transparent;
  border: 1px solid var(--brass);
  color: var(--brass);
}
.btn.secondary:hover { color: var(--maroon); border-color: var(--maroon); }

/* ---------- guided-choice charters ---------- */

.choice-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.2rem; margin-top: 1.5rem; }
.choice-card { text-align: center; padding: 2.2rem 1.5rem; }

/* ---------- the order form ---------- */

form.quote-form label {
  display: block;
  margin: .9rem 0 .3rem;
  font-weight: 700;
  font-variant: small-caps;
  letter-spacing: .02em;
  color: var(--ink-soft);
}
form.quote-form input, form.quote-form textarea, form.quote-form select {
  width: 100%;
  padding: .6rem .7rem;
  border: 1px solid var(--brass);
  background: var(--parchment);
  color: var(--ink);
  font-size: .95rem;
  font-family: Georgia, serif;
}
form.quote-form input::placeholder, form.quote-form textarea::placeholder { color: #9c8862; }
form.quote-form textarea { min-height: 90px; resize: vertical; }

.flash {
  background: var(--parchment-2);
  border: 1px solid var(--maroon);
  border-left: 4px solid var(--maroon);
  color: var(--maroon-deep);
  padding: .8rem 1rem;
  margin-bottom: 1.5rem;
  font-style: italic;
}

.pool-yes { color: var(--brass-bright); font-weight: 700; font-variant: small-caps; }
.pool-no { color: var(--ink-soft); font-variant: small-caps; }

/* ---------- the sealed certificate (confirmation) ---------- */

.confirm-box {
  text-align: center;
  padding: 2.8rem 1.8rem;
}
.confirm-seal {
  width: 74px;
  height: 74px;
  border-radius: 50%;
  margin: 0 auto 1.2rem;
  background: radial-gradient(circle at 35% 30%, var(--maroon), var(--maroon-deep) 70%);
  border: 2px solid var(--brass);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .62rem;
  line-height: 1.15;
  color: #e9c98a;
  font-variant: small-caps;
  box-shadow: 0 2px 4px rgba(44, 29, 16, .25);
}
.confirm-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--maroon);
  letter-spacing: .04em;
  font-variant: small-caps;
}