/* YourFinOps design system - web register */
* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
  --obsidian: #0A0C0E; --panel: #0E1114; --panel-2: #101318; --graphite: #16191D;
  --line: #2A2E34; --line-dim: #1A1E23; --line-mid: #22262C;
  --ivory: #F5F2EB; --warm: #E8E4DB; --platinum: #C8CDD3; --silver: #8A9199; --dim: #5A6068;
  --gold: #C6A15B; --gold-hi: #D9AE6A; --gold-deep: #B89050;
  --sage: #7C9473; --clay: #B0604D;
}
html { scroll-behavior: smooth; }
body { background: var(--obsidian); font-family: 'Inter', sans-serif; color: var(--platinum); -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
.page { max-width: 1200px; margin: 0 auto; }
.mono { font-family: 'IBM Plex Mono', monospace; letter-spacing: 0.3em; text-transform: uppercase; }

nav.top { display: flex; justify-content: space-between; align-items: center; padding: 26px 48px; border-bottom: 1px solid var(--line-dim); gap: 20px; flex-wrap: wrap; }
.nav-brand { display: flex; align-items: center; gap: 14px; font-size: 13px; letter-spacing: 0.34em; text-transform: uppercase; color: var(--warm); font-weight: 500; }
.nav-brand span.g { color: var(--gold); }
.nav-links { display: flex; gap: 34px; font-size: 13px; color: var(--silver); }
.nav-links a:hover { color: var(--warm); }
.nav-cta { font-size: 12px; padding: 10px 22px; border: 1px solid var(--gold); border-radius: 6px; color: var(--gold-hi); font-family: 'IBM Plex Mono', monospace; letter-spacing: 0.2em; text-transform: uppercase; }

.hero { text-align: center; padding: 100px 48px 80px; background: radial-gradient(70% 90% at 50% 0%, #171C22 0%, var(--obsidian) 65%); }
.hero .kicker { font-size: 11px; color: var(--gold); margin-bottom: 26px; }
.hero h1 { font-family: 'Fraunces', serif; font-weight: 300; font-size: clamp(38px, 6vw, 62px); line-height: 1.08; color: var(--ivory); letter-spacing: -0.01em; max-width: 780px; margin: 0 auto 26px; }
.hero h1 em { font-style: italic; color: var(--gold-hi); }
.hero p.lede { font-size: 17px; line-height: 1.65; color: var(--silver); max-width: 560px; margin: 0 auto 40px; }
.btn-row { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.btn-gold { display: inline-block; background: linear-gradient(135deg, var(--gold-hi), var(--gold-deep)); color: #14100A; font-weight: 600; font-size: 14px; padding: 15px 34px; border-radius: 7px; border: none; cursor: pointer; font-family: 'Inter', sans-serif; }
.btn-ghost { display: inline-block; border: 1px solid var(--line); color: var(--platinum); font-size: 14px; padding: 15px 34px; border-radius: 7px; }
.proof { padding: 22px 48px 26px; text-align: center; font-size: 10px; color: var(--dim); border-bottom: 1px solid var(--line-dim); }

.section { padding: 88px 48px; }
.sec-kicker { font-size: 11px; color: var(--gold); margin-bottom: 16px; text-align: center; }
.sec-title { font-family: 'Fraunces', serif; font-weight: 300; font-size: clamp(30px, 4.5vw, 40px); color: var(--ivory); text-align: center; margin-bottom: 56px; }
.sec-sub { font-size: 15px; line-height: 1.65; color: var(--silver); max-width: 620px; margin: -36px auto 56px; text-align: center; }

.domains { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; max-width: 1060px; margin: 0 auto; }
.domain { border: 1px solid var(--line-mid); border-radius: 10px; padding: 26px 22px; background: var(--panel); }
.domain .num { font-family: 'IBM Plex Mono', monospace; font-size: 11px; color: var(--gold); letter-spacing: 0.2em; margin-bottom: 14px; }
.domain h3 { font-family: 'Fraunces', serif; font-weight: 400; font-size: 19px; color: var(--warm); margin-bottom: 8px; }
.domain p { font-size: 12px; line-height: 1.55; color: #7A828A; }
.domain.key { border-color: #4A3D22; background: linear-gradient(160deg, #16130C 0%, var(--panel) 70%); }
.domain.fill { display: flex; align-items: center; justify-content: center; border-style: dashed; }
.domain.fill p { text-align: center; color: var(--gold); font-family: 'IBM Plex Mono', monospace; font-size: 11px; letter-spacing: 0.24em; text-transform: uppercase; }

.cadences { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; max-width: 1060px; margin: 0 auto; }
.cadence { border: 1px solid var(--line-mid); border-radius: 10px; padding: 22px 20px; background: var(--panel); }
.cadence .meta { display: flex; justify-content: space-between; font-family: 'IBM Plex Mono', monospace; font-size: 10px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--gold); margin-bottom: 12px; }
.cadence .meta span:last-child { color: var(--silver); }
.cadence p { font-size: 12.5px; line-height: 1.55; color: #7A828A; }

.stack { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; max-width: 1060px; margin: 0 auto; }
.tier { border: 1px solid var(--line-mid); border-radius: 12px; padding: 34px 30px; background: var(--panel); display: flex; flex-direction: column; }
.tier.flag { border-color: #5A4A28; background: linear-gradient(165deg, #17130B 0%, var(--panel) 60%); }
.tier .t-label { font-family: 'IBM Plex Mono', monospace; font-size: 10px; letter-spacing: 0.3em; text-transform: uppercase; color: var(--silver); margin-bottom: 16px; }
.tier.flag .t-label { color: var(--gold); }
.tier h3 { font-family: 'Fraunces', serif; font-weight: 350; font-size: 25px; color: var(--ivory); margin-bottom: 12px; }
.tier p { font-size: 13px; line-height: 1.6; color: var(--silver); flex: 1; }
.tier .price { font-family: 'IBM Plex Mono', monospace; font-size: 15px; color: var(--warm); margin: 22px 0 16px; }
.tier .go { text-align: center; padding: 12px; border-radius: 6px; border: 1px solid var(--line); font-size: 12px; color: var(--platinum); font-family: 'IBM Plex Mono', monospace; letter-spacing: 0.16em; text-transform: uppercase; display: block; }
.tier.flag .go { background: linear-gradient(135deg, var(--gold-hi), var(--gold-deep)); color: #14100A; border: none; font-weight: 600; }

.tool-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; max-width: 1060px; margin: 0 auto; }
.tool-card { border: 1px solid var(--line-mid); border-radius: 10px; padding: 24px 20px; background: var(--panel); display: flex; flex-direction: column; gap: 10px; transition: border-color .15s; }
.tool-card:hover { border-color: #4A3D22; }
.tool-card .num { font-family: 'IBM Plex Mono', monospace; font-size: 11px; color: var(--gold); letter-spacing: 0.2em; }
.tool-card h3 { font-family: 'Fraunces', serif; font-weight: 400; font-size: 17px; color: var(--warm); }
.tool-card p { font-size: 12px; line-height: 1.55; color: #7A828A; flex: 1; }
.tool-card .open { font-family: 'IBM Plex Mono', monospace; font-size: 10px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--gold); }

.magnet { max-width: 860px; margin: 0 auto; border: 1px solid #4A3D22; border-radius: 14px; padding: 54px 60px; text-align: center; background: radial-gradient(80% 120% at 50% 0%, #1A150C 0%, var(--panel) 70%); }
.magnet h2 { font-family: 'Fraunces', serif; font-weight: 300; font-size: clamp(28px, 4vw, 36px); color: var(--ivory); margin-bottom: 14px; }
.magnet > p { font-size: 15px; color: var(--silver); line-height: 1.6; max-width: 480px; margin: 0 auto 30px; }
.field-row { display: flex; gap: 12px; max-width: 520px; margin: 0 auto; flex-wrap: wrap; }
.field-row input { flex: 1; min-width: 180px; background: var(--obsidian); border: 1px solid var(--line); border-radius: 7px; padding: 14px 18px; font-size: 14px; color: var(--warm); font-family: 'Inter', sans-serif; }
.field-row input::placeholder { color: var(--dim); }
.honey { position: absolute; left: -9999px; opacity: 0; height: 0; overflow: hidden; }
.form-note { margin-top: 16px; font-size: 11px; color: var(--dim); }
.form-error { margin-top: 12px; font-size: 12px; color: var(--clay); min-height: 16px; }
.form-success { display: none; }
.form-success.on { display: block; }
.form-success .check { color: var(--sage); font-size: 22px; margin-bottom: 8px; }
.form-success strong { display: block; font-family: 'Fraunces', serif; font-weight: 400; font-size: 20px; color: var(--ivory); margin-bottom: 6px; }
.form-success p { font-size: 13px; color: var(--silver); margin-bottom: 18px; }

.faq { max-width: 760px; margin: 0 auto; }
.faq details { border-bottom: 1px solid var(--line-dim); padding: 20px 4px; }
.faq summary { cursor: pointer; font-family: 'Fraunces', serif; font-weight: 400; font-size: 18px; color: var(--warm); list-style: none; display: flex; justify-content: space-between; align-items: center; }
.faq summary::after { content: "+"; color: var(--gold); font-family: 'IBM Plex Mono', monospace; }
.faq details[open] summary::after { content: "-"; }
.faq details p { margin-top: 12px; font-size: 14px; line-height: 1.65; color: var(--silver); max-width: 640px; }

.final { text-align: center; padding: 96px 48px; background: radial-gradient(70% 100% at 50% 100%, #171C22 0%, var(--obsidian) 70%); }
.final h2 { font-family: 'Fraunces', serif; font-weight: 300; font-size: clamp(28px, 4.5vw, 40px); color: var(--ivory); margin: 16px 0 32px; }

footer { border-top: 1px solid var(--line-dim); padding: 44px 48px; display: flex; justify-content: space-between; gap: 60px; flex-wrap: wrap; }
footer .f-brand { font-size: 12px; letter-spacing: 0.34em; text-transform: uppercase; color: var(--silver); white-space: nowrap; }
footer .f-brand span { color: var(--gold); }
footer .fine { font-size: 11px; line-height: 1.7; color: var(--dim); max-width: 560px; }
footer .f-links { display: flex; gap: 24px; font-size: 12px; color: var(--silver); }
footer .f-links a:hover { color: var(--warm); }

/* Calculators */
.calc-tabs { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-bottom: 40px; }
.calc-tabs button { background: var(--panel); border: 1px solid var(--line-mid); border-radius: 8px; padding: 12px 20px; color: var(--silver); font-family: 'IBM Plex Mono', monospace; font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; cursor: pointer; display: flex; gap: 10px; align-items: center; }
.calc-tabs button span { color: var(--gold); }
.calc-tabs button[aria-pressed="true"] { border-color: var(--gold); color: var(--warm); background: linear-gradient(160deg, #16130C 0%, var(--panel) 70%); }
.calc-panel { display: none; max-width: 900px; margin: 0 auto; border: 1px solid var(--line-mid); border-radius: 14px; background: var(--panel); padding: 44px 48px; }
.calc-panel.on { display: block; }
.calc-panel .eyebrow { font-family: 'IBM Plex Mono', monospace; font-size: 10px; letter-spacing: 0.3em; text-transform: uppercase; color: var(--gold); margin-bottom: 14px; }
.calc-panel h2 { font-family: 'Fraunces', serif; font-weight: 300; font-size: 30px; color: var(--ivory); margin-bottom: 10px; }
.calc-panel .intro { font-size: 14px; line-height: 1.6; color: var(--silver); max-width: 560px; margin-bottom: 32px; }
.calc-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px 22px; margin-bottom: 32px; }
.calc-field span.lbl { display: block; font-family: 'IBM Plex Mono', monospace; font-size: 10px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--silver); margin-bottom: 8px; }
.inp { display: flex; align-items: center; background: var(--obsidian); border: 1px solid var(--line); border-radius: 7px; padding: 0 14px; }
.inp span { color: var(--dim); font-family: 'IBM Plex Mono', monospace; font-size: 12px; }
.inp input, .inp select { flex: 1; background: transparent; border: none; outline: none; padding: 13px 8px; color: var(--warm); font-family: 'IBM Plex Mono', monospace; font-size: 14px; width: 100%; }
.inp select option { background: var(--graphite); }
.checks { display: flex; flex-direction: column; gap: 10px; font-size: 13px; color: var(--silver); grid-column: 1 / -1; }
.checks label { display: flex; gap: 10px; align-items: center; }
.checks input { accent-color: var(--gold); }
.results { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 28px; }
.result { border: 1px solid var(--line-mid); border-radius: 9px; padding: 16px; background: var(--obsidian); }
.result span { display: block; font-family: 'IBM Plex Mono', monospace; font-size: 9px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--silver); margin-bottom: 8px; }
.result strong { font-family: 'IBM Plex Mono', monospace; font-size: 17px; font-weight: 500; color: var(--warm); }
.result.hot { border-color: #4A3D22; }
.result.hot strong { color: var(--gold-hi); }
.calc-warning { color: var(--clay); font-size: 13px; margin-bottom: 28px; }
.next-step { border-left: 2px solid var(--gold); padding: 4px 0 4px 18px; margin-bottom: 24px; }
.next-step span { font-family: 'IBM Plex Mono', monospace; font-size: 9px; letter-spacing: 0.24em; text-transform: uppercase; color: var(--gold); display: block; margin-bottom: 6px; }
.next-step p { font-size: 13px; line-height: 1.6; color: var(--silver); }
.calc-note { font-size: 11px; line-height: 1.65; color: var(--dim); border-top: 1px solid var(--line-dim); padding-top: 18px; }

/* Legal */
.legal { max-width: 720px; margin: 0 auto; padding: 72px 48px 96px; }
.legal h1 { font-family: 'Fraunces', serif; font-weight: 300; font-size: 40px; color: var(--ivory); margin: 14px 0 8px; }
.legal .updated { font-family: 'IBM Plex Mono', monospace; font-size: 11px; color: var(--dim); margin-bottom: 40px; }
.legal h2 { font-family: 'Fraunces', serif; font-weight: 400; font-size: 21px; color: var(--warm); margin: 34px 0 10px; }
.legal p { font-size: 14px; line-height: 1.7; color: var(--silver); }

@media (max-width: 960px) {
  .domains, .results { grid-template-columns: repeat(2, 1fr); }
  .cadences { grid-template-columns: repeat(2, 1fr); }
  .stack { grid-template-columns: 1fr; }
  .tool-grid { grid-template-columns: repeat(2, 1fr); }
  .nav-links { display: none; }
  .section { padding: 64px 24px; }
  .hero { padding: 72px 24px 56px; }
  .magnet { padding: 40px 26px; }
  .calc-panel { padding: 30px 22px; }
  .calc-grid { grid-template-columns: 1fr; }
}