:root {
  --ink: #09111d;
  --muted: #5c6672;
  --line: #dfe2de;
  --paper: #f5f6f3;
  --green: #3d6f63;
  --green-dark: #2f5b50;
  --white: #fff;
  font-family: Inter, Arial, sans-serif;
  color: var(--ink);
  background: var(--white);
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { min-height: 100vh; margin: 0; background: var(--white); color: var(--ink); }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; }
.section-pad { padding-left: clamp(24px, 7vw, 112px); padding-right: clamp(24px, 7vw, 112px); }

.site-header {
  height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-left: clamp(24px, 7vw, 112px);
  padding-right: clamp(24px, 7vw, 112px);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, .96);
}
.brand { display: flex; align-items: center; }
.brand img { display: block; width: 156px; height: auto; }
.site-nav { display: flex; align-items: center; gap: 9px; color: var(--muted); font-size: 11px; }
.nav-tab {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 0 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--white);
  transition: border-color .2s ease, color .2s ease, background .2s ease;
}
.nav-tab:hover, .nav-tab:focus-visible { border-color: var(--ink); color: var(--ink); background: var(--paper); }
.preview-trigger { appearance: none; color: inherit; cursor: pointer; font: inherit; }
.text-button:hover, .text-button:focus-visible, .preview-trigger:hover, .preview-trigger:focus-visible { color: var(--ink); }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border: 1px solid var(--green);
  border-radius: 8px;
  background: var(--green);
  color: var(--white);
  font-size: 13px;
  font-weight: 700;
  transition: background .2s ease, transform .2s ease;
}
.button:hover { background: var(--green-dark); transform: translateY(-1px); }
.button:active { transform: translateY(0); }
.button-small { min-height: 38px; padding: 0 14px; font-size: 12px; }
.text-button { appearance: none; border: 0; background: transparent; color: var(--green); cursor: pointer; font-size: 13px; font-weight: 700; padding: 0; }

.eyebrow { margin: 0 0 22px; color: var(--green); font-size: 10px; font-weight: 800; letter-spacing: .16em; line-height: 1.2; }
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(320px, .68fr);
  gap: clamp(48px, 7vw, 110px);
  align-items: center;
  max-width: 1600px;
  min-height: 660px;
  margin: 0 auto;
  padding-top: 72px;
  padding-bottom: 82px;
}
.hero-copy { max-width: 650px; }
.hero h1 { max-width: 680px; margin: 0; font-size: clamp(54px, 6.2vw, 96px); font-weight: 700; letter-spacing: -.085em; line-height: .98; }
.hero h1 em, .problem-grid h2 em, .activation-heading h2 em, .capability-heading h2 em, .trade-grid h2 em, .closing-section h2 em { color: var(--muted); font-style: normal; }
.hero-lede { max-width: 570px; margin: 32px 0 30px; color: var(--muted); font-size: 18px; line-height: 1.62; }
.hero-actions { display: flex; align-items: center; gap: 26px; flex-wrap: wrap; }
.hero-proof { display: flex; gap: 17px; flex-wrap: wrap; margin-top: 64px; padding-top: 17px; border-top: 1px solid var(--line); color: var(--muted); font-size: 9px; font-weight: 800; letter-spacing: .1em; }
.hero-proof span + span { position: relative; padding-left: 17px; }
.hero-proof span + span::before { position: absolute; left: 0; content: "·"; color: var(--green); }
.hero-figure { width: 100%; max-width: 420px; justify-self: end; margin: 0; }
.image-frame { position: relative; overflow: hidden; aspect-ratio: 1 / 1.05; border-radius: 14px; background: var(--paper); }
.image-frame > img { width: 100%; height: 100%; display: block; object-fit: cover; object-position: center; filter: saturate(.72) contrast(1.02); }
.hero figcaption { margin-top: 12px; color: var(--muted); font-size: 11px; }

.problem-section { padding-top: 112px; padding-bottom: 120px; border-top: 1px solid var(--line); background: var(--paper); }
.section-label { display: flex; justify-content: space-between; margin-bottom: 54px; color: var(--green); font-size: 9px; font-weight: 800; letter-spacing: .14em; }
.section-label > span:last-child { color: var(--muted); }
.problem-grid { display: grid; grid-template-columns: minmax(0, 1.12fr) minmax(300px, .88fr); gap: 90px; align-items: end; }
.problem-grid h2 { max-width: 760px; margin: 0; font-size: clamp(46px, 5.8vw, 86px); letter-spacing: -.085em; line-height: .98; }
.problem-copy { max-width: 440px; color: var(--muted); font-size: 16px; line-height: 1.65; }
.problem-copy p { margin: 0; }
.problem-copy p + p { margin-top: 19px; }
.problem-list { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 88px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.problem-list div { display: grid; gap: 16px; min-height: 150px; padding: 22px 24px 24px 0; }
.problem-list div + div { padding-left: 24px; border-left: 1px solid var(--line); }
.problem-list strong { font-size: 14px; }
.problem-list span { max-width: 190px; color: var(--muted); font-size: 12px; line-height: 1.5; }

.activation-section { padding-top: 112px; padding-bottom: 120px; background: var(--ink); color: var(--white); }
.section-label-light { color: #9ac6b9; }
.section-label-light > span:last-child { color: #a4afbd; }
.activation-heading { display: grid; grid-template-columns: minmax(0, 1.12fr) minmax(280px, .88fr); gap: 90px; align-items: end; }
.activation-heading h2 { max-width: 800px; margin: 0; font-size: clamp(46px, 5.8vw, 84px); letter-spacing: -.085em; line-height: .98; }
.activation-heading p { max-width: 430px; margin: 0; color: #b5c0ca; font-size: 16px; line-height: 1.65; }
.activation-flow { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); margin-top: 80px; border-top: 1px solid #354150; border-bottom: 1px solid #354150; }
.activation-flow > div { display: flex; flex-direction: column; gap: 13px; min-width: 0; min-height: 178px; padding: 22px 22px 24px 0; }
.activation-flow > div + div { padding-left: 22px; border-left: 1px solid #354150; }
.activation-flow b { color: #9ac6b9; font-family: monospace; font-size: 11px; }
.activation-flow strong { font-size: 16px; line-height: 1.2; }
.activation-flow span { margin-top: auto; color: #a4afbd; font-size: 11px; line-height: 1.5; }

.capability-section { padding-top: 112px; padding-bottom: 120px; }
.capability-heading { display: grid; grid-template-columns: minmax(0, 1.12fr) minmax(280px, .88fr); gap: 90px; align-items: end; }
.capability-heading h2 { max-width: 780px; margin: 0; font-size: clamp(46px, 5.8vw, 84px); letter-spacing: -.085em; line-height: .98; }
.capability-heading p { max-width: 430px; margin: 0; color: var(--muted); font-size: 16px; line-height: 1.65; }
.capability-grid { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 78px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.capability-grid article { min-height: 230px; padding: 23px 24px 26px 0; }
.capability-grid article + article { padding-left: 24px; border-left: 1px solid var(--line); }
.capability-grid article > span { color: var(--green); font-family: monospace; font-size: 11px; }
.capability-grid h3 { margin: 54px 0 12px; font-size: 19px; letter-spacing: -.04em; }
.capability-grid p { max-width: 240px; margin: 0; color: var(--muted); font-size: 13px; line-height: 1.6; }
.capability-tech { display: flex; flex-wrap: wrap; gap: 10px 22px; margin-top: 28px; color: var(--muted); font-family: monospace; font-size: 10px; letter-spacing: .04em; }
.capability-tech span::before { content: "/ "; color: var(--green); }

.trade-section { padding-top: 112px; padding-bottom: 120px; border-top: 1px solid var(--line); background: var(--paper); }
.trade-grid { display: grid; grid-template-columns: minmax(0, .85fr) minmax(400px, 1.15fr); gap: 90px; align-items: end; }
.trade-grid h2 { max-width: 660px; margin: 0 0 22px; font-size: clamp(46px, 5.6vw, 80px); letter-spacing: -.085em; line-height: .98; }
.trade-grid > div > p { max-width: 420px; margin: 0; color: var(--muted); font-size: 16px; line-height: 1.65; }
.trade-flow { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.trade-flow > div { display: flex; flex-direction: column; gap: 9px; min-width: 0; min-height: 150px; padding: 18px; border: 1px solid var(--line); border-radius: 10px; background: var(--white); }
.trade-flow b { color: var(--green); font-size: 9px; letter-spacing: .13em; }
.trade-flow strong { font-size: 13px; line-height: 1.3; }
.trade-flow span { margin-top: auto; color: var(--muted); font-size: 10px; line-height: 1.4; }

.founder-section { display: grid; grid-template-columns: minmax(220px, .44fr) minmax(0, 1fr); gap: 80px; align-items: center; padding-top: 112px; padding-bottom: 120px; }
.founder-photo { display: block; width: 100%; max-width: 340px; aspect-ratio: 1; object-fit: cover; border-radius: 12px; filter: saturate(.82) contrast(.98); }
.founder-copy { max-width: 650px; }
.founder-copy h2 { max-width: 720px; margin: 0 0 22px; font-size: clamp(44px, 5vw, 74px); letter-spacing: -.085em; line-height: .98; }
.founder-copy > p:not(.eyebrow) { max-width: 560px; margin: 0 0 24px; color: var(--muted); font-size: 16px; line-height: 1.65; }
.founder-copy strong { font-size: 13px; }

.closing-section { padding-top: 128px; padding-bottom: 132px; background: var(--ink); color: var(--white); text-align: center; }
.closing-section .eyebrow { color: #9ac6b9; }
.closing-section h2 { max-width: 900px; margin: 0 auto 26px; font-size: clamp(46px, 6.2vw, 94px); letter-spacing: -.09em; line-height: .96; }
.closing-section > p:not(.eyebrow) { max-width: 560px; margin: 0 auto 34px; color: #b5c0ca; font-size: 16px; line-height: 1.65; }
.referral-amount { display: inline-block; color: var(--white); font-size: 20px; }
.referral-note { display: block; max-width: 520px; margin: 22px auto 0; color: #82909e; font-size: 10px; line-height: 1.5; }
.site-footer { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 14px; min-height: 104px; padding-top: 24px; padding-bottom: 24px; background: var(--ink); color: #a4afbd; font-size: 11px; }
.footer-brand { color: var(--white); font-weight: 800; letter-spacing: .12em; }
.footer-links a { display: inline-flex; align-items: center; min-height: 30px; padding: 0 12px; border: 1px solid #354150; border-radius: 999px; color: #d5dde3; }
.footer-links a:hover, .footer-links a:focus-visible { border-color: #9ac6b9; color: var(--white); }
.footer-company { flex-basis: 100%; color: #82909e; font-size: 10px; line-height: 1.4; }

.preview-dialog { background: var(--white); border: 1px solid var(--line); border-radius: 16px; box-shadow: 0 24px 70px rgba(9, 17, 29, .2); color: var(--ink); left: 50%; max-width: 460px; padding: 40px; position: fixed; top: 50%; transform: translate(-50%, -50%); width: calc(100% - 40px); z-index: 20; }
.preview-dialog[hidden] { display: none; }
body.dialog-open { overflow: hidden; }
body.dialog-open::before { background: rgba(9, 17, 29, .35); content: ""; inset: 0; position: fixed; z-index: 10; }
.preview-dialog h2 { font-size: clamp(29px, 4vw, 38px); letter-spacing: -.05em; line-height: 1; margin: 16px 0 12px; }
.preview-dialog p:not(.eyebrow) { color: var(--muted); margin: 0; }
.dialog-close { appearance: none; background: transparent; border: 0; color: var(--muted); cursor: pointer; font-size: 29px; line-height: 1; padding: 2px 6px; position: absolute; right: 22px; top: 20px; }
.preview-form { display: grid; gap: 10px; margin-top: 28px; }
.preview-form label { color: var(--ink); font-size: 11px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }
.preview-form input { border: 1px solid var(--line); border-radius: 8px; color: var(--ink); font: inherit; font-size: 16px; letter-spacing: .08em; outline: none; padding: 14px 15px; }
.preview-form input:focus { border-color: var(--green); box-shadow: 0 0 0 3px rgba(61, 111, 99, .14); }
.preview-error { min-height: 17px; color: #b42318; font-size: 12px; }

@media (max-width: 1050px) {
  .hero { grid-template-columns: 1fr; gap: 54px; min-height: auto; }
  .hero-copy { max-width: 760px; }
  .hero-figure { max-width: 760px; justify-self: start; }
  .hero-proof { margin-top: 45px; }
  .problem-grid, .activation-heading, .capability-heading, .trade-grid { gap: 50px; }
  .activation-flow { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .activation-flow > div:nth-child(3n + 1) { padding-left: 0; border-left: 0; }
  .trade-grid { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .site-header { height: 70px; }
  .brand img { width: 128px; }
  .site-nav { gap: 7px; font-size: 10px; }
  .nav-tab { min-height: 34px; padding: 0 9px; }
  .button-small { min-height: 34px; padding: 0 10px; font-size: 10px; }
  .hero { padding-top: 58px; padding-bottom: 74px; }
  .hero h1 { font-size: clamp(48px, 12.4vw, 76px); }
  .hero-lede { margin-top: 24px; font-size: 16px; }
  .hero-proof { margin-top: 42px; gap: 10px 14px; font-size: 8px; }
  .hero-proof span + span { padding-left: 13px; }
  .image-frame { aspect-ratio: 1.1 / 1; }
  .problem-section, .activation-section, .capability-section, .trade-section, .founder-section { padding-top: 78px; padding-bottom: 82px; }
  .section-label { margin-bottom: 38px; }
  .problem-grid, .activation-heading, .capability-heading, .trade-grid, .founder-section { grid-template-columns: 1fr; gap: 36px; }
  .problem-grid h2, .activation-heading h2, .capability-heading h2, .trade-grid h2, .founder-copy h2 { font-size: clamp(44px, 11vw, 64px); }
  .problem-copy, .activation-heading p, .capability-heading p, .trade-grid > div > p, .founder-copy > p:not(.eyebrow) { font-size: 15px; }
  .problem-list { grid-template-columns: 1fr 1fr; margin-top: 56px; }
  .problem-list div { min-height: 130px; padding: 18px 14px 20px 0; }
  .problem-list div + div { padding-left: 14px; }
  .problem-list span { font-size: 11px; }
  .activation-flow { grid-template-columns: 1fr; margin-top: 56px; }
  .activation-flow > div { min-height: 130px; padding: 17px 0; }
  .activation-flow > div + div { padding-left: 0; border-left: 0; border-top: 1px solid #354150; }
  .capability-grid { grid-template-columns: 1fr 1fr; margin-top: 56px; }
  .capability-grid article { min-height: 210px; padding: 18px 14px 20px 0; }
  .capability-grid article + article { padding-left: 14px; }
  .capability-grid article:nth-child(3), .capability-grid article:nth-child(4) { border-top: 1px solid var(--line); }
  .capability-grid article:nth-child(3) { border-left: 0; }
  .capability-grid h3 { margin-top: 38px; font-size: 17px; }
  .capability-grid p { font-size: 12px; }
  .capability-tech { gap: 9px 15px; font-size: 9px; }
  .trade-flow { grid-template-columns: 1fr; }
  .trade-flow > div { min-height: 105px; padding: 16px; }
  .founder-photo { max-width: 420px; }
  .closing-section { padding: 84px 6vw 92px; }
  .closing-section h2 { font-size: clamp(44px, 11vw, 68px); }
  .site-footer { align-items: flex-start; flex-direction: column; padding-top: 22px; padding-bottom: 22px; }
  .footer-company { flex-basis: auto; }
}

@media (max-width: 520px) {
  .site-header { gap: 8px; padding-left: 18px; padding-right: 18px; }
  .brand img { width: 105px; }
  .site-nav { gap: 5px; font-size: 9px; }
  .nav-tab { min-height: 32px; padding: 0 7px; }
  .button-small { min-height: 32px; padding: 0 8px; font-size: 9px; }
  .hero, .problem-section, .activation-section, .capability-section, .trade-section, .founder-section { padding-left: 24px; padding-right: 24px; }
  .hero figcaption { margin-top: 14px; }
  .problem-list { grid-template-columns: 1fr; }
  .problem-list div, .problem-list div + div { min-height: auto; padding: 17px 0; border-left: 0; border-bottom: 1px solid var(--line); }
  .problem-list div:last-child { border-bottom: 0; }
  .capability-grid { grid-template-columns: 1fr; }
  .capability-grid article, .capability-grid article + article, .capability-grid article:nth-child(3), .capability-grid article:nth-child(4) { min-height: auto; padding: 18px 0; border-left: 0; border-top: 0; border-bottom: 1px solid var(--line); }
  .capability-grid article:last-child { border-bottom: 0; }
  .capability-grid h3 { margin-top: 25px; }
  .preview-dialog { padding: 34px 24px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button, .image-frame > img { transition: none; }
}
