/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --ink: #0e1a13;
  --sage: #2d5a3d;
  --sage-l: #4a7c5e;
  --sage-m: #d4e6da;
  --sage-p: #eef5f0;
  --gold: #b8962e;
  --gold-l: #e8c96a;
  --stone: #f4f1eb;
  --mid: #7a8878;
  --border: rgba(45,90,61,0.13);
  --fd: 'Playfair Display', Georgia, serif;
  --fb: 'DM Sans', sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--fb);
  color: var(--ink);
  background: #fafaf8;
  line-height: 1.6;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; }

/* ===== NAV ===== */
.nav {
  background: var(--ink);
  padding: 0 40px;
  height: 58px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(184,150,46,0.22);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-logo {
  font-family: var(--fd);
  font-size: 16px;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-mark {
  width: 26px; height: 26px;
  border: 1px solid var(--gold);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 9px; color: var(--gold-l);
  font-family: var(--fb); letter-spacing: 0.05em;
}

.nav-links {
  display: flex; gap: 28px; list-style: none;
}

.nav-links li a {
  font-size: 12px; letter-spacing: 0.07em;
  color: rgba(255,255,255,0.5);
  text-transform: uppercase;
  transition: color 0.15s;
}

.nav-links li a:hover,
.nav-links li a.active { color: rgba(255,255,255,0.9); }

.nav-cta {
  font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase;
  border: 1px solid rgba(184,150,46,0.5);
  color: var(--gold-l);
  background: transparent;
  padding: 7px 18px;
  cursor: pointer;
  font-family: var(--fb);
  transition: background 0.15s, color 0.15s;
}

.nav-cta:hover { background: var(--gold); color: var(--ink); }

/* ===== HERO ===== */
.hero {
  background: var(--ink);
  padding: 88px 40px 80px;
  position: relative;
  overflow: hidden;
}

.hero-rings { position: absolute; right: 0; top: 0; pointer-events: none; }

.hero-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(184,150,46,0.1);
}

.hero-content { position: relative; z-index: 1; max-width: 580px; }

.eyebrow {
  font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--gold-l); font-weight: 400; margin-bottom: 24px;
  display: flex; align-items: center; gap: 12px;
}

.eyebrow::before { content: ''; width: 28px; height: 1px; background: var(--gold); }

.hero h1 {
  font-family: var(--fd);
  font-size: 50px; font-weight: 400;
  line-height: 1.1; color: #fff;
  margin-bottom: 24px; letter-spacing: -0.01em;
}

.hero h1 em { font-style: italic; color: var(--gold-l); }

.hero-sub {
  font-size: 15px; color: rgba(255,255,255,0.56); line-height: 1.8;
  font-weight: 300; margin-bottom: 40px; max-width: 500px;
}

.hero-ctas { display: flex; gap: 20px; align-items: center; }

/* ===== BUTTONS ===== */
.btn-primary {
  display: inline-block;
  background: var(--sage); color: #fff;
  font-size: 12px; letter-spacing: 0.09em; text-transform: uppercase;
  padding: 13px 30px; cursor: pointer;
  font-family: var(--fb); font-weight: 500;
  transition: background 0.15s;
  border: none;
}
.btn-primary:hover { background: var(--sage-l); }

.btn-ghost {
  background: transparent; border: none;
  color: rgba(255,255,255,0.6);
  font-size: 12px; letter-spacing: 0.06em; cursor: pointer;
  font-family: var(--fb);
  text-decoration: underline; text-underline-offset: 5px;
}
.btn-ghost:hover { color: rgba(255,255,255,0.9); }

.btn-sage {
  display: inline-block;
  background: transparent; color: var(--sage);
  border: 1px solid var(--sage);
  font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase;
  padding: 12px 28px; cursor: pointer;
  font-family: var(--fb); font-weight: 500;
  transition: background 0.15s, color 0.15s;
}
.btn-sage:hover { background: var(--sage); color: #fff; }

.btn-white {
  display: inline-block;
  background: #fff; color: var(--ink);
  font-size: 12px; letter-spacing: 0.09em; text-transform: uppercase;
  padding: 14px 32px; cursor: pointer;
  font-family: var(--fb); font-weight: 500;
  border: none; transition: opacity 0.15s;
}
.btn-white:hover { opacity: 0.9; }

.btn-outline {
  display: inline-block;
  background: transparent; color: rgba(255,255,255,0.75);
  border: 1px solid rgba(255,255,255,0.25);
  font-size: 12px; letter-spacing: 0.09em; text-transform: uppercase;
  padding: 14px 32px; cursor: pointer;
  font-family: var(--fb); transition: border-color 0.15s, color 0.15s;
}
.btn-outline:hover { color: #fff; border-color: rgba(255,255,255,0.6); }

/* ===== PROOF BAR ===== */
.proof-bar {
  background: var(--sage);
  display: grid; grid-template-columns: repeat(4,1fr);
}

.proof-item {
  padding: 28px 20px; text-align: center;
  border-right: 1px solid rgba(255,255,255,0.1);
}
.proof-item:last-child { border-right: none; }

.proof-num {
  font-family: var(--fd); font-size: 32px; font-weight: 400;
  color: #fff; letter-spacing: -0.02em; line-height: 1;
}
.proof-num sup { font-size: 18px; color: var(--gold-l); vertical-align: super; }

.proof-label {
  font-size: 11px; text-transform: uppercase; letter-spacing: 0.1em;
  color: rgba(255,255,255,0.52); margin-top: 6px; line-height: 1.4;
}

.proof-source {
  font-size: 10px; color: rgba(255,255,255,0.28); margin-top: 4px; font-style: italic;
}

/* ===== SECTIONS ===== */
.section { padding: 72px 40px; }
.section.alt { background: var(--stone); }
.section.dark { background: var(--ink); }

.s-tag {
  font-size: 10px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--sage); font-weight: 500; margin-bottom: 10px;
  display: flex; align-items: center; gap: 10px;
}
.s-tag::before { content: ''; width: 20px; height: 1px; background: var(--sage); }
.s-tag.light { color: var(--sage-m); }
.s-tag.light::before { background: var(--sage-m); }

.s-title {
  font-family: var(--fd); font-size: 32px; font-weight: 400;
  color: var(--ink); line-height: 1.2; margin-bottom: 10px;
}
.s-title.light { color: #fff; }

.s-sub {
  font-size: 14px; color: var(--mid); line-height: 1.78;
  max-width: 540px; margin-bottom: 44px;
}
.s-sub.light { color: rgba(255,255,255,0.52); }

/* ===== THESIS GRID ===== */
.thesis-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

.thesis-card {
  background: #fff; border: 1px solid var(--border); padding: 30px;
  border-left: 3px solid var(--sage-m);
  position: relative; overflow: hidden;
  transition: border-left-color 0.2s;
}
.thesis-card:hover { border-left-color: var(--sage); }

.thesis-num {
  font-family: var(--fd); font-size: 56px; font-weight: 400;
  color: rgba(45,90,61,0.05); position: absolute; right: 18px; top: 10px; line-height: 1;
}

.thesis-icon { font-size: 22px; margin-bottom: 14px; color: var(--sage); }

.thesis-title {
  font-family: var(--fd); font-size: 19px; font-weight: 400;
  color: var(--ink); margin-bottom: 12px; line-height: 1.3;
}

.thesis-body { font-size: 13px; color: var(--mid); line-height: 1.75; }

.thesis-stat {
  margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--border);
  font-size: 12px; color: var(--sage-l);
}
.thesis-stat em { font-style: normal; color: var(--sage); font-weight: 500; }

/* ===== EVIDENCE GRID ===== */
.evidence-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

.ev-card {
  background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08);
  padding: 30px;
}

.ev-card.featured {
  background: var(--sage); border: none;
  grid-column: span 2;
}

.pullquote-hero {
  font-family: var(--fd); font-size: 22px; font-style: italic;
  color: #fff; line-height: 1.45; margin-bottom: 14px;
}

.ev-source-hero {
  font-size: 11px; color: rgba(255,255,255,0.38);
  font-style: italic; letter-spacing: 0.04em;
}

.ev-big {
  font-family: var(--fd); font-size: 52px; font-weight: 400;
  color: var(--gold-l); letter-spacing: -0.02em; line-height: 1; margin-bottom: 10px;
}

.ev-desc { font-size: 13px; color: rgba(255,255,255,0.64); line-height: 1.68; }
.ev-source { font-size: 10px; color: rgba(255,255,255,0.24); margin-top: 14px; font-style: italic; }

.evidence-cta { margin-top: 36px; text-align: center; }

/* ===== MECHANISM LIST ===== */
.mechanism-list { display: flex; flex-direction: column; }

.mech-item {
  display: grid; grid-template-columns: 64px 1fr;
  border-bottom: 1px solid var(--border);
  padding: 28px 0;
}
.mech-item:first-child { border-top: 1px solid var(--border); }

.mech-num {
  font-family: var(--fd); font-size: 34px; font-weight: 400;
  color: var(--sage-m); line-height: 1; padding-top: 4px;
}

.mech-title {
  font-family: var(--fd); font-size: 18px; font-weight: 400;
  color: var(--ink); margin-bottom: 8px;
}

.mech-text { font-size: 13px; color: var(--mid); line-height: 1.75; }

.mech-cite {
  font-size: 11px; color: var(--sage-l); margin-top: 10px; font-style: italic;
}

/* ===== COMPARE ===== */
.compare-section { padding: 72px 40px; background: var(--sage-p); }
.compare-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; margin-top: 40px; }

.compare-col {
  background: #fff; border: 1px solid var(--border); padding: 26px;
}
.compare-col.winner { background: var(--ink); border-color: transparent; }

.compare-head {
  font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase;
  font-weight: 500; margin-bottom: 20px;
  padding-bottom: 14px; border-bottom: 1px solid var(--border);
  color: var(--mid);
}
.compare-col.winner .compare-head { color: var(--gold-l); border-bottom-color: rgba(255,255,255,0.08); }

.compare-row {
  display: flex; justify-content: space-between; align-items: flex-start;
  padding: 10px 0; border-bottom: 1px solid rgba(45,90,61,0.07); font-size: 12px;
}
.compare-col.winner .compare-row { border-bottom-color: rgba(255,255,255,0.06); }

.compare-metric { color: var(--mid); flex: 1; }
.compare-col.winner .compare-metric { color: rgba(255,255,255,0.48); }

.compare-val { font-weight: 500; color: var(--ink); }
.compare-col.winner .compare-val { color: #fff; }
.compare-val.up { color: var(--sage); }
.compare-val.down { color: #c04a3a; }
.compare-col.winner .compare-val.up { color: var(--gold-l); }

/* ===== OBJECTIONS ===== */
.objections { display: flex; flex-direction: column; gap: 14px; margin-top: 40px; }

.obj-item {
  display: grid; grid-template-columns: 1fr 1fr;
  border: 1px solid var(--border); overflow: hidden;
}

.obj-q {
  background: #fff; padding: 22px 26px;
  border-right: 1px solid var(--border);
  font-family: var(--fd); font-size: 15px; color: var(--mid);
  font-style: italic; line-height: 1.45;
  display: flex; align-items: flex-start; gap: 12px;
}

.obj-q-mark { font-size: 26px; color: var(--sage-m); line-height: 1; flex-shrink: 0; }

.obj-a {
  background: var(--sage-p); padding: 22px 26px;
  font-size: 13px; color: var(--ink); line-height: 1.68;
}
.obj-a strong { color: var(--sage); font-weight: 500; }

/* ===== RESEARCH PREVIEW ===== */
.research-preview { padding: 72px 40px; background: var(--stone); }
.rp-inner {}

.rp-cards { display: grid; grid-template-columns: repeat(4,1fr); gap: 16px; margin-top: 40px; }

.rp-card {
  background: #fff; border: 1px solid var(--border);
  padding: 24px; display: block;
  transition: border-color 0.2s;
}
.rp-card:hover { border-color: var(--sage-l); }

.rp-tag {
  font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase;
  font-weight: 500; margin-bottom: 12px; display: inline-block; padding: 3px 9px;
}
.rp-tag.gold { background: rgba(184,150,46,0.1); color: var(--gold); }
.rp-tag.sage { background: var(--sage-p); color: var(--sage); }
.rp-tag.stone { background: var(--stone); color: var(--mid); border: 1px solid var(--border); }

.rp-title {
  font-family: var(--fd); font-size: 15px; font-weight: 400;
  color: var(--ink); line-height: 1.35; margin-bottom: 12px;
}

.rp-meta { font-size: 11px; color: var(--mid); }

/* ===== FINAL CTA ===== */
.final-cta {
  background: var(--ink);
  padding: 80px 40px;
  text-align: center;
  position: relative; overflow: hidden;
}

.cta-rings { position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%); }

.cta-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(184,150,46,0.07);
  transform: translate(-50%,-50%);
}

.cta-content { position: relative; z-index: 1; }

.cta-eyebrow {
  font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase;
  color: rgba(255,255,255,0.3); margin-bottom: 20px;
}

.final-cta h2 {
  font-family: var(--fd); font-size: 40px; font-weight: 400;
  color: #fff; line-height: 1.2; margin-bottom: 16px;
}
.final-cta h2 em { font-style: italic; color: var(--gold-l); }

.final-cta p {
  font-size: 14px; color: rgba(255,255,255,0.48);
  max-width: 420px; margin: 0 auto 40px; line-height: 1.8;
}

.cta-btns { display: flex; gap: 16px; justify-content: center; }

/* ===== FOOTER ===== */
.footer { background: #0a1510; padding: 48px 40px 0; }

.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 48px;
  padding-bottom: 40px;
}

.footer-brand {
  font-family: var(--fd); font-size: 16px; color: #fff; margin-bottom: 12px;
}

.footer-desc { font-size: 12px; color: rgba(255,255,255,0.3); line-height: 1.75; }

.footer-col-title {
  font-size: 10px; letter-spacing: 0.13em; text-transform: uppercase;
  color: var(--gold-l); font-weight: 500; margin-bottom: 16px;
}

.footer-links { list-style: none; display: flex; flex-direction: column; gap: 10px; }

.footer-links li a {
  font-size: 12px; color: rgba(255,255,255,0.35);
  transition: color 0.15s;
}
.footer-links li a:hover { color: rgba(255,255,255,0.75); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.05);
  padding: 18px 0 20px;
  display: flex; justify-content: space-between; align-items: center;
}

.footer-legal { font-size: 10px; color: rgba(255,255,255,0.2); }

.exch-row { display: flex; gap: 8px; }

.exch {
  font-size: 9px; letter-spacing: 0.1em; text-transform: uppercase;
  border: 1px solid rgba(255,255,255,0.1);
  padding: 4px 8px; color: rgba(255,255,255,0.25);
}

/* ===== CTA FORM ===== */
.cta-form { margin-top: 36px; }

.cta-form-hidden { display: none; }

.cta-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr auto;
  gap: 12px;
  align-items: end;
  max-width: 860px;
  margin: 0 auto;
}

.cta-field { display: flex; flex-direction: column; gap: 7px; text-align: left; }

.cta-label {
  font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase;
  color: rgba(255,255,255,0.4); font-family: var(--fb);
}

.cta-form input[type="text"],
.cta-form input[type="email"] {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.15);
  color: #fff;
  font-family: var(--fb);
  font-size: 13px;
  padding: 12px 16px;
  outline: none;
  width: 100%;
  transition: border-color 0.15s, background 0.15s;
  border-radius: 0;
  -webkit-appearance: none;
}

.cta-form input[type="text"]::placeholder,
.cta-form input[type="email"]::placeholder {
  color: rgba(255,255,255,0.25);
}

.cta-form input[type="text"]:focus,
.cta-form input[type="email"]:focus {
  border-color: var(--gold);
  background: rgba(255,255,255,0.1);
}

.cta-submit {
  background: var(--gold);
  color: var(--ink);
  border: none;
  font-family: var(--fb);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 13px 24px;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s;
  align-self: end;
}

.cta-submit:hover { background: var(--gold-l); }

.cta-form-note {
  font-size: 11px;
  color: rgba(255,255,255,0.22);
  margin-top: 14px;
  text-align: center;
  letter-spacing: 0.02em;
}

/* ===== CTA SUCCESS ===== */
.cta-success {
  display: none;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-top: 36px;
  padding: 24px 32px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(184,150,46,0.3);
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

.cta-success-icon {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--sage);
  display: flex; align-items: center; justify-content: center;
  font-size: 16px; color: #fff; flex-shrink: 0;
}

.cta-success-text {
  font-size: 14px;
  color: rgba(255,255,255,0.75);
  line-height: 1.5;
  text-align: left;
}