/* ================================================================
   REDLINE ADVISORY — brand system
   Paper #F5F3EF · Ink #141414 · Redline #C0392B · Oxblood #8E2A20
   Graphite #5F5E5A · Hairline #E3DFD6
   Display: Fraunces · Body: system sans · Data: IBM Plex Mono
   Signature: the redline rule — hairline dividers that hit red
   ================================================================ */

:root {
  --paper: #F5F3EF;
  --ink: #141414;
  --red: #C0392B;
  --oxblood: #8E2A20;
  --graphite: #5F5E5A;
  --hairline: #E3DFD6;
  --display: "Fraunces", Georgia, "Times New Roman", serif;
  --body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: "IBM Plex Mono", "SF Mono", Menlo, Consolas, monospace;
  --max: 1120px;
  --pad: clamp(20px, 4vw, 48px);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
}

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: var(--max); margin: 0 auto; padding-left: var(--pad); padding-right: var(--pad); }

/* ---- The redline rule (signature element) ---- */
.redline-rule {
  height: 1px;
  border: 0;
  background: linear-gradient(90deg, var(--ink) 0%, var(--ink) 84%, var(--red) 84%, var(--red) 100%);
  opacity: 0.85;
}

/* ---- Type ---- */
h1, h2, h3 { font-family: var(--display); font-weight: 500; letter-spacing: -0.01em; }
h1 { font-size: clamp(2.6rem, 7vw, 5rem); line-height: 1.04; }
h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); line-height: 1.12; }
h3 { font-size: clamp(1.25rem, 2.4vw, 1.6rem); line-height: 1.25; }

.eyebrow {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--red);
  display: block;
  margin-bottom: 18px;
}

.lede { font-size: clamp(1.05rem, 1.8vw, 1.3rem); color: var(--graphite); max-width: 46ch; }

.mono { font-family: var(--mono); }

a { color: var(--ink); text-decoration-color: var(--red); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--oxblood); }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible {
  outline: 2px solid var(--red); outline-offset: 3px; border-radius: 2px;
}

/* ---- Nav ---- */
.nav {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 26px; padding-bottom: 26px;
}
.nav-logo { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.nav-logo svg { display: block; }
.nav-wordmark { font-family: var(--display); font-size: 1.05rem; letter-spacing: 0.02em; }
.nav-links { display: flex; align-items: center; gap: clamp(14px, 2.5vw, 30px); list-style: none; }
.nav-links a { text-decoration: none; font-size: 0.92rem; color: var(--ink); }
.nav-links a.active { color: var(--red); }
.nav-cta {
  font-family: var(--mono); font-size: 0.78rem; letter-spacing: 0.06em;
  border: 1px solid var(--ink); padding: 10px 18px; text-decoration: none;
  transition: background 0.18s ease, color 0.18s ease;
}
.nav-cta:hover { background: var(--ink); color: var(--paper); }
@media (max-width: 760px) {
  .nav-links li.hide-m { display: none; }
}

/* ---- Buttons ---- */
.btn {
  display: inline-block; font-family: var(--mono); font-size: 0.85rem;
  letter-spacing: 0.05em; padding: 15px 28px; text-decoration: none;
  border: 1px solid var(--ink); color: var(--ink); background: transparent;
  cursor: pointer; transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}
.btn-solid { background: var(--red); border-color: var(--red); color: #fff; }
.btn-solid:hover { background: var(--oxblood); border-color: var(--oxblood); color: #fff; }
.btn-ghost:hover { background: var(--ink); color: var(--paper); }

/* ---- Hero ---- */
.hero { padding-top: clamp(60px, 10vw, 130px); padding-bottom: clamp(60px, 9vw, 110px); }
.hero h1 { max-width: 15ch; }
.hero .lede { margin-top: 26px; }
.hero-actions { margin-top: 40px; display: flex; gap: 16px; flex-wrap: wrap; }

/* ---- Section scaffolding ---- */
.section { padding-top: clamp(56px, 8vw, 100px); padding-bottom: clamp(56px, 8vw, 100px); }
.section-head { margin-bottom: clamp(32px, 5vw, 56px); max-width: 60ch; }

/* ---- Persona doors (routing rows) ---- */
.door {
  display: grid; grid-template-columns: 90px 1fr auto; gap: 24px; align-items: baseline;
  padding: 34px 0; text-decoration: none; color: var(--ink);
  border-top: 1px solid var(--hairline);
  transition: padding-left 0.22s ease;
}
.door:last-of-type { border-bottom: 1px solid var(--hairline); }
.door:hover { padding-left: 10px; }
.door:hover .door-arrow { color: var(--red); transform: translateX(6px); }
.door-index { font-family: var(--mono); font-size: 0.8rem; color: var(--graphite); }
.door h3 { transition: color 0.18s ease; }
.door:hover h3 { color: var(--oxblood); }
.door p { color: var(--graphite); margin-top: 6px; font-size: 0.98rem; max-width: 52ch; }
.door-arrow { font-family: var(--mono); font-size: 1.3rem; transition: transform 0.22s ease, color 0.18s ease; }
@media (max-width: 640px) {
  .door { grid-template-columns: 1fr auto; }
  .door-index { display: none; }
}

/* ---- Cards / offers ---- */
.offer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 28px; }
.offer {
  border: 1px solid var(--ink); padding: 36px 32px; background: #FBFAF7;
  display: flex; flex-direction: column;
}
.offer.featured { border-color: var(--red); box-shadow: 6px 6px 0 var(--red); }
.offer-price { font-family: var(--mono); font-size: 1.9rem; margin: 18px 0 4px; }
.offer-price .per { font-size: 0.8rem; color: var(--graphite); }
.offer ul { list-style: none; margin: 22px 0 30px; flex: 1; }
.offer ul li { padding: 9px 0 9px 26px; position: relative; border-top: 1px solid var(--hairline); font-size: 0.95rem; }
.offer ul li::before { content: "—"; position: absolute; left: 0; color: var(--red); }
.offer .btn { text-align: center; }
.offer-tag { font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--graphite); }

/* ---- Process steps ---- */
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 36px; counter-reset: step; }
.step { border-top: 2px solid var(--ink); padding-top: 20px; position: relative; }
.step::after { content: ""; position: absolute; top: -2px; left: 0; width: 34px; height: 2px; background: var(--red); }
.step-num { font-family: var(--mono); font-size: 0.75rem; color: var(--red); letter-spacing: 0.15em; }
.step h3 { margin: 10px 0 8px; font-size: 1.2rem; }
.step p { color: var(--graphite); font-size: 0.95rem; }

/* ---- Proof / case studies ---- */
.case { border-left: 2px solid var(--red); padding: 6px 0 6px 28px; margin-bottom: 40px; max-width: 62ch; }
.case blockquote { font-family: var(--display); font-size: clamp(1.15rem, 2vw, 1.45rem); line-height: 1.4; }
.case figcaption { margin-top: 14px; font-family: var(--mono); font-size: 0.78rem; color: var(--graphite); letter-spacing: 0.04em; }

/* ---- About ---- */
.about-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: clamp(32px, 5vw, 72px); align-items: start; }
.about-grid img { width: 100%; height: auto; display: block; filter: saturate(0.92); }
.about-grid .photo-cap { font-family: var(--mono); font-size: 0.72rem; color: var(--graphite); margin-top: 10px; letter-spacing: 0.04em; }
.about-copy p + p { margin-top: 20px; }
@media (max-width: 800px) { .about-grid { grid-template-columns: 1fr; } }

/* ---- Newsletter band ---- */
.news-band { background: var(--ink); color: var(--paper); }
.news-band .eyebrow { color: var(--red); }
.news-band h2 { color: var(--paper); }
.news-band p { color: #C9C6BF; max-width: 52ch; }
.news-band .btn { border-color: var(--paper); color: var(--paper); margin-top: 28px; }
.news-band .btn:hover { background: var(--paper); color: var(--ink); }

/* ---- Footer ---- */
footer { padding: 56px 0 40px; }
.foot-grid { display: flex; justify-content: space-between; gap: 32px; flex-wrap: wrap; margin-top: 32px; }
.foot-links { list-style: none; display: flex; gap: 22px; flex-wrap: wrap; }
.foot-links a { font-size: 0.88rem; text-decoration: none; }
.disclaimer {
  margin-top: 34px; padding-top: 22px; border-top: 1px solid var(--hairline);
  font-size: 0.8rem; color: var(--graphite); max-width: 90ch; line-height: 1.6;
}
.copyright { font-family: var(--mono); font-size: 0.72rem; color: var(--graphite); margin-top: 18px; }

/* ---- Calculator ---- */
.calc-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: clamp(32px, 5vw, 64px); align-items: start; }
@media (max-width: 860px) { .calc-grid { grid-template-columns: 1fr; } }
.calc-form label { display: block; font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--graphite); margin: 22px 0 8px; }
.calc-form input, .calc-form select {
  width: 100%; padding: 13px 14px; font-family: var(--mono); font-size: 1rem;
  border: 1px solid var(--ink); background: #FBFAF7; color: var(--ink);
}
.calc-form .btn { width: 100%; margin-top: 30px; }
.tier { border: 1px solid var(--ink); background: #FBFAF7; padding: 26px 26px 22px; margin-bottom: 18px; position: relative; }
.tier-label { font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.16em; text-transform: uppercase; }
.tier-price { font-family: var(--display); font-size: clamp(1.9rem, 3.5vw, 2.6rem); margin: 6px 0 2px; }
.tier-sub { font-size: 0.88rem; color: var(--graphite); }
.tier-meter { height: 5px; background: var(--hairline); margin-top: 16px; position: relative; overflow: hidden; }
.tier-meter span { position: absolute; inset: 0 auto 0 0; background: var(--ink); }
.tier.t1 .tier-meter span { width: 60%; }
.tier.t2 .tier-meter span { width: 80%; background: linear-gradient(90deg, var(--ink) 75%, var(--red) 75%); }
.tier.t3 .tier-meter span { width: 100%; background: linear-gradient(90deg, var(--ink) 60%, var(--red) 60%); }
.tier.t3 { border-color: var(--red); }
.tier.t3 .tier-label { color: var(--red); }
.calc-note { font-size: 0.85rem; color: var(--graphite); margin-top: 22px; line-height: 1.6; }
.methodology { background: #FBFAF7; border: 1px solid var(--hairline); padding: 30px 32px; margin-top: 48px; }
.methodology h3 { margin-bottom: 12px; }
.methodology p { font-size: 0.92rem; color: var(--graphite); }
.methodology p + p { margin-top: 12px; }

/* ---- Guides ---- */
.guide-row { display: grid; grid-template-columns: auto 1fr auto; gap: 26px; align-items: center; padding: 30px 0; border-top: 1px solid var(--hairline); }
.guide-row:last-of-type { border-bottom: 1px solid var(--hairline); }
.guide-badge { font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.14em; text-transform: uppercase; border: 1px solid var(--ink); padding: 6px 10px; white-space: nowrap; }
.guide-badge.soon { border-color: var(--graphite); color: var(--graphite); }
.guide-row p { color: var(--graphite); font-size: 0.95rem; margin-top: 4px; }
@media (max-width: 640px) { .guide-row { grid-template-columns: 1fr; gap: 12px; } }

/* ---- Reveal animation ---- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ================================================================
   v2 refinements — density, flow, sticky nav, tach gauges
   ================================================================ */

/* Tighter vertical rhythm */
.section { padding-top: clamp(44px, 6vw, 76px); padding-bottom: clamp(44px, 6vw, 76px); }
.hero { padding-top: clamp(40px, 6vw, 84px); padding-bottom: clamp(40px, 6vw, 72px); }
.section-head { margin-bottom: clamp(26px, 4vw, 44px); }
.door { padding: 28px 0; }

/* Sticky nav */
.nav-sticky {
  position: sticky; top: 0; z-index: 50;
  background: rgba(245, 243, 239, 0.92);
  backdrop-filter: blur(7px); -webkit-backdrop-filter: blur(7px);
  border-bottom: 1px solid var(--hairline);
}
.nav-sticky .nav { padding-top: 16px; padding-bottom: 16px; }

/* Split hero with photo */
.hero-split { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: clamp(28px, 4vw, 64px); align-items: center; }
.hero-photo img { width: 100%; height: auto; display: block; filter: saturate(0.95) contrast(1.02); box-shadow: 12px 12px 0 var(--red); }
.hero-photo .photo-cap { font-family: var(--mono); font-size: 0.7rem; color: var(--graphite); margin-top: 14px; letter-spacing: 0.05em; }
@media (max-width: 880px) { .hero-split { grid-template-columns: 1fr; } .hero-photo { max-width: 440px; } }

/* Alternating band for flow */
.band-alt { background: #EDEAE1; }

/* Redline rules draw themselves in */
.redline-rule { transform-origin: left center; }
.rule-anim { transform: scaleX(0); transition: transform 0.9s cubic-bezier(0.22, 0.9, 0.3, 1); }
.rule-anim.in { transform: scaleX(1); }
@media (prefers-reduced-motion: reduce) { .rule-anim { transform: none; transition: none; } }

/* Staggered reveals inside sections */
.reveal:nth-child(2) { transition-delay: 0.08s; }
.reveal:nth-child(3) { transition-delay: 0.16s; }
.reveal:nth-child(4) { transition-delay: 0.24s; }

/* Tier cards become tachometers */
.tier { display: grid; grid-template-columns: 1fr auto; column-gap: 20px; align-items: center; }
.tier-text { min-width: 0; }
.tier-gauge { width: 128px; height: 78px; }
.tier-gauge .needle { transform-origin: 64px 66px; transition: transform 1s cubic-bezier(0.34, 1.25, 0.42, 1); }
@media (prefers-reduced-motion: reduce) { .tier-gauge .needle { transition: none; } }
.tier-meter { display: none; }
@media (max-width: 480px) { .tier-gauge { width: 104px; height: 64px; } .tier-gauge .needle { transform-origin: 52px 54px; } }

/* ---- Request-a-report form ---- */
.request-form { max-width: 640px; }
.rf-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 520px) { .rf-grid { grid-template-columns: 1fr; } }
.request-form label { display: block; font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--graphite); margin: 22px 0 8px; }
.rf-opt { text-transform: none; letter-spacing: 0; color: var(--hairline); color: #A9A69D; }
.request-form input, .request-form textarea {
  width: 100%; padding: 13px 14px; font-family: var(--body); font-size: 1rem;
  border: 1px solid var(--ink); background: #FBFAF7; color: var(--ink); border-radius: 0;
}
.request-form textarea { resize: vertical; }
.request-form .btn { margin-top: 28px; }
.rf-status { margin-top: 16px; font-size: 0.92rem; min-height: 1.2em; }
.rf-status.ok { color: var(--oxblood); }
.rf-status.err { color: var(--red); }