:root {
  --navy: #17384d;
  --navy-deep: #0e2738;
  --orange: #fe661f;
  --yellow: #ffd007;
  --ink: #182027;
  --paper: #f4f1ea;
  --white: #fff;
  --line: rgba(24, 32, 39, 0.22);
  --line-light: rgba(255, 255, 255, 0.25);
  --display: "Unbounded", sans-serif;
  --body: "Manrope", sans-serif;
}

* { box-sizing: border-box; }
html { max-width: 100%; overflow-x: hidden; scroll-behavior: smooth; }
body { max-width: 100%; margin: 0; overflow-x: hidden; color: var(--ink); background: var(--paper); font-family: var(--body); font-size: 16px; line-height: 1.55; }
img { display: block; max-width: 100%; }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid var(--yellow); outline-offset: 4px; }
.skip-link { position: fixed; top: 12px; left: 12px; z-index: 100; padding: 10px 14px; background: var(--yellow); color: var(--ink); transform: translateY(-150%); }
.skip-link:focus { transform: none; }

.site-header { position: sticky; top: 0; z-index: 50; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; min-height: 82px; padding: 12px clamp(20px, 4vw, 72px); border-bottom: 1px solid var(--line); background: rgba(244, 241, 234, 0.94); backdrop-filter: blur(16px); }
.brand-lockup { width: 150px; }
.site-nav { display: flex; gap: 32px; font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; }
.site-nav a, .text-link, .project-link { text-decoration: none; border-bottom: 1px solid transparent; }
.site-nav a:hover, .text-link:hover, .project-link:hover { border-color: currentColor; }
.site-header > .button { justify-self: end; }

.section { position: relative; padding: clamp(72px, 9vw, 148px) clamp(20px, 6vw, 112px); overflow: hidden; }
.section-number { position: absolute; top: clamp(76px, 9vw, 148px); left: clamp(20px, 2.5vw, 46px); font: 600 11px/1 var(--display); letter-spacing: .08em; }
.eyebrow { margin: 0 0 24px; color: var(--orange); font: 700 11px/1.2 var(--display); text-transform: uppercase; letter-spacing: .14em; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { text-wrap: balance; }
h1, h2 { font-family: var(--display); line-height: 1.06; letter-spacing: -.055em; }
h2 { max-width: 1050px; margin-bottom: 0; font-size: clamp(38px, 5.3vw, 84px); font-weight: 600; }
.section-intro { margin-left: clamp(0px, 8vw, 130px); }
.section-intro > p:last-child { max-width: 620px; margin: 28px 0 0; font-size: 18px; }

.button { display: inline-flex; align-items: center; justify-content: center; gap: 18px; min-height: 52px; padding: 0 24px; border: 1px solid var(--ink); background: transparent; font-size: 13px; font-weight: 700; text-decoration: none; text-transform: uppercase; letter-spacing: .07em; transition: background .2s, color .2s, transform .2s; }
.button:hover { transform: translateY(-2px); }
.button-primary { border-color: var(--orange); background: var(--orange); color: var(--white); }
.button-primary:hover { border-color: var(--ink); background: var(--ink); }
.button-small { min-height: 44px; padding-inline: 18px; background: var(--navy); color: var(--white); border-color: var(--navy); }
.button-large { min-height: 72px; padding-inline: 30px; }

.hero { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(360px, .65fr); gap: clamp(30px, 5vw, 88px); min-height: calc(100vh - 82px); padding-top: clamp(64px, 7vw, 108px); padding-bottom: 60px; background: var(--white); }
.hero-index { position: absolute; top: 26px; left: clamp(20px, 6vw, 112px); font: 600 10px/1 var(--display); letter-spacing: .15em; }
.hero-copy { align-self: center; min-width: 0; max-width: 1120px; }
.hero h1 { margin-bottom: 34px; font-size: clamp(50px, 7vw, 122px); font-weight: 600; }
.hero h1 span { color: var(--navy); }
.hero-lead { max-width: 760px; margin-bottom: 38px; font-size: clamp(18px, 1.6vw, 24px); line-height: 1.55; }
.hero-actions { display: flex; align-items: center; gap: 28px; }
.text-link { font-weight: 700; }
.hero-visual { position: relative; align-self: end; min-height: min(780px, calc(100vh - 150px)); background: var(--white); }
.hero-portrait { width: 100%; height: min(780px, calc(100vh - 150px)); object-fit: contain; object-position: center bottom; }
.hero-person-card { position: absolute; left: -34px; bottom: 36px; width: min(280px, 60%); padding: 24px; border-left: 5px solid var(--orange); background: rgba(255, 255, 255, .94); box-shadow: 0 18px 50px rgba(14, 39, 56, .12); backdrop-filter: blur(10px); }
.hero-person-role { margin: 0 0 10px; color: var(--orange); font: 700 9px/1.2 var(--display); text-transform: uppercase; letter-spacing: .12em; }
.hero-person-card h2 { margin: 0 0 12px; font: 600 clamp(20px, 1.7vw, 28px)/1.15 var(--display); letter-spacing: -.05em; }
.hero-person-card > p:not(.hero-person-role) { margin-bottom: 20px; font-size: 13px; }
.hero-person-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; padding-top: 16px; border-top: 1px solid var(--line); }
.hero-person-stats span { font-size: 10px; line-height: 1.35; }
.hero-person-stats strong { display: block; margin-bottom: 4px; color: var(--navy); font: 600 22px/1 var(--display); letter-spacing: -.06em; }
.hero-marquee { grid-column: 1 / -1; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-top: 34px; border-top: 1px solid var(--line); color: var(--navy); font: 600 clamp(11px, 1vw, 15px)/1 var(--display); letter-spacing: .12em; }
.hero-marquee i { width: 6px; height: 6px; background: var(--orange); border-radius: 50%; }

.problem { background: var(--white); }
.problem-statement { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; max-width: 1120px; margin: 80px 0 80px auto; padding-left: 40px; border-left: 6px solid var(--yellow); font-size: clamp(18px, 1.8vw, 27px); }
.problem-statement p, .problem-statement strong { margin: 0; }
.system-line { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.system-line article { min-height: 220px; padding: 26px; border-right: 1px solid var(--line); }
.system-line article:last-child { border-right: 0; background: var(--navy); color: var(--white); }
.system-line span { font: 600 11px/1 var(--display); }
.system-line h3 { margin: 64px 0 10px; font: 600 clamp(24px, 2.2vw, 36px)/1.1 var(--display); letter-spacing: -.05em; }
.system-line p { margin: 0; font-size: 14px; }

.scenarios { background: var(--yellow); }
.scenarios .eyebrow { color: var(--ink); }
.scenario-list { max-width: 1250px; margin: 80px 0 0 auto; border-top: 1px solid var(--ink); }
.scenario { display: grid; grid-template-columns: 80px 1fr 50px; gap: 24px; align-items: center; padding: 32px 8px; border-bottom: 1px solid var(--ink); }
.scenario-no { font: 600 11px/1 var(--display); }
.scenario h3 { margin-bottom: 8px; font: 600 clamp(25px, 3vw, 46px)/1.15 var(--display); letter-spacing: -.05em; }
.scenario p { max-width: 760px; margin: 0; }
.scenario-mark { font-size: 38px; transition: transform .2s; }
.scenario:hover .scenario-mark { transform: translateX(8px); }

.work { background: var(--navy-deep); color: var(--white); }
.work .section-number { color: var(--yellow); }
.section-intro-light .eyebrow { color: var(--yellow); }
.featured-project { display: grid; grid-template-columns: 1.35fr .65fr; gap: clamp(30px, 5vw, 78px); align-items: end; margin: 90px 0 120px clamp(0px, 8vw, 130px); }
.project-image { overflow: hidden; background: var(--white); }
.project-image img, .project-card img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; object-position: top; transition: transform .5s ease; }
.project-image:hover img, .project-card > a:first-child:hover img { transform: scale(1.02); }
.project-meta { display: flex; justify-content: space-between; gap: 20px; padding-bottom: 16px; border-bottom: 1px solid var(--line-light); font: 600 10px/1.2 var(--display); text-transform: uppercase; letter-spacing: .08em; }
.project-copy h3 { margin: 34px 0 22px; font: 600 clamp(28px, 3vw, 50px)/1.15 var(--display); letter-spacing: -.05em; }
.project-copy p { color: rgba(255,255,255,.7); }
.project-link { display: inline-block; margin-top: 14px; color: var(--yellow); font-weight: 700; background: transparent; padding: 0; }
.project-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 90px clamp(28px, 6vw, 100px); margin-left: clamp(0px, 8vw, 130px); }
.project-card:nth-child(even) { margin-top: 120px; }
.project-card > a:first-child { display: block; overflow: hidden; margin-bottom: 26px; background: transparent; }
.project-card h3 { margin: 24px 0 0; font: 600 clamp(23px, 2.2vw, 34px)/1.2 var(--display); letter-spacing: -.045em; }

.evidence { background: var(--white); }
.evidence-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 28px; margin: 80px 0 0 clamp(0px, 8vw, 130px); }
.quote-card { padding: clamp(30px, 5vw, 70px); background: var(--orange); color: var(--white); }
.quote-meta { display: flex; justify-content: space-between; gap: 20px; padding-bottom: 22px; border-bottom: 1px solid rgba(255,255,255,.45); font: 600 10px/1 var(--display); text-transform: uppercase; letter-spacing: .08em; }
.quote-card blockquote { margin: 80px 0 28px; font: 600 clamp(28px, 3vw, 50px)/1.2 var(--display); letter-spacing: -.05em; }
.quote-card > p { max-width: 620px; color: rgba(255,255,255,.8); }
.letter-card { display: grid; grid-template-columns: 1fr minmax(170px, .65fr); gap: 30px; padding: clamp(30px, 4vw, 56px); background: var(--paper); }
.letter-card h3 { margin: 50px 0 20px; font: 600 clamp(26px, 2.5vw, 40px)/1.15 var(--display); letter-spacing: -.05em; }
.letter-card a { align-self: end; overflow: hidden; max-height: 500px; border: 1px solid var(--line); }
.letter-card img { width: 100%; }

.process { background: var(--paper); }
.process-list { display: grid; grid-template-columns: repeat(4, 1fr); margin: 90px 0 0 clamp(0px, 8vw, 130px); padding: 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); list-style: none; }
.process-list li { min-height: 290px; padding: 28px; border-right: 1px solid var(--line); }
.process-list li:last-child { border-right: 0; }
.process-list span { font: 600 11px/1 var(--display); }
.process-list h3 { margin: 100px 0 14px; font: 600 clamp(23px, 2vw, 32px)/1 var(--display); letter-spacing: -.05em; }
.process-list p { margin: 0; font-size: 14px; }
.founder-note { display: grid; grid-template-columns: 84px 1fr; gap: 28px; align-items: center; max-width: 920px; margin: 80px 0 0 auto; }
.founder-note img { width: 84px; border-radius: 50%; }
.founder-note p { margin-bottom: 12px; font-size: clamp(19px, 1.8vw, 27px); font-weight: 600; }
.founder-note span { font-size: 13px; }

.faq { background: var(--white); }
.faq-list { max-width: 1000px; margin: 80px 0 0 auto; border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { position: relative; padding: 28px 60px 28px 0; cursor: pointer; font: 600 clamp(19px, 2vw, 28px)/1.3 var(--display); letter-spacing: -.04em; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 6px; top: 25px; color: var(--orange); font: 400 32px/1 var(--body); }
.faq details[open] summary::after { content: "−"; }
.faq details p { max-width: 760px; padding: 0 50px 28px 0; }

.contact { display: grid; grid-template-columns: 1.25fr .75fr; gap: clamp(50px, 8vw, 130px); align-items: end; min-height: 760px; background: var(--navy); color: var(--white); }
.contact::before { content: ""; position: absolute; width: 40vw; height: 40vw; right: -20vw; bottom: -20vw; border: 1px solid rgba(255,255,255,.18); border-radius: 50%; box-shadow: 0 0 0 8vw rgba(255,255,255,.025), 0 0 0 16vw rgba(255,255,255,.025); }
.contact-index { position: absolute; top: 32px; left: clamp(20px, 6vw, 112px); color: var(--yellow); font: 600 10px/1 var(--display); letter-spacing: .15em; }
.contact h2 { font-size: clamp(42px, 5.5vw, 88px); }
.contact-copy > p:last-child { max-width: 700px; margin: 34px 0 0; color: rgba(255,255,255,.75); font-size: 18px; }
.contact-actions { position: relative; display: flex; flex-direction: column; }
.contact-actions .button { margin-bottom: 26px; }
.contact-channel { display: flex; justify-content: space-between; gap: 20px; padding: 19px 0; border-top: 1px solid var(--line-light); text-decoration: none; }
.contact-channel span { color: rgba(255,255,255,.65); font-size: 13px; }
.contact-channel strong { font-size: 14px; }
.site-footer { display: grid; grid-template-columns: 1fr auto auto; gap: 40px; align-items: center; padding: 26px clamp(20px, 4vw, 72px); background: var(--navy-deep); color: rgba(255,255,255,.65); font-size: 12px; }
.site-footer img { width: 105px; filter: brightness(0) invert(1); opacity: .85; }
.site-footer p { margin: 0; }

.reveal { opacity: 0; transform: translateY(30px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

@media (max-width: 1050px) {
  .site-header { grid-template-columns: 1fr auto; }
  .site-nav { display: none; }
  .hero { grid-template-columns: 1fr; min-height: auto; }
  .hero-visual { width: min(100%, 620px); margin: 0 auto; }
  .featured-project, .evidence-grid, .contact { grid-template-columns: 1fr; }
  .featured-project { margin-left: 0; }
  .project-grid { margin-left: 0; }
  .process-list { grid-template-columns: repeat(2, 1fr); }
  .process-list li:nth-child(2) { border-right: 0; }
  .process-list li:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .contact { min-height: auto; }
  .contact-actions { max-width: 620px; }
}

@media (max-width: 720px) {
  .site-header { display: flex; min-height: 66px; padding: 10px 18px; }
  .brand-lockup { width: 112px; }
  .site-header > .button { display: none; }
  .section { padding: 76px 20px; }
  .section-number { position: static; margin-bottom: 38px; }
  .section-intro { margin-left: 0; }
  h2 { font-size: clamp(34px, 11vw, 52px); }
  .hero { display: block; min-width: 0; padding-top: 76px; }
  .hero-index { left: 20px; }
  .hero h1 { max-width: 100%; overflow-wrap: anywhere; font-size: clamp(39px, 11.5vw, 58px); }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .hero-actions .text-link { align-self: flex-start; }
  .hero-visual { min-height: auto; margin-top: 64px; }
  .hero-portrait { height: auto; max-height: 720px; }
  .hero-person-card { position: relative; left: auto; bottom: auto; width: 100%; margin-top: -1px; box-shadow: none; border-top: 1px solid var(--line); }
  .hero-marquee { margin-top: 56px; flex-wrap: wrap; justify-content: flex-start; }
  .problem-statement { grid-template-columns: 1fr; gap: 24px; margin: 52px 0; padding-left: 22px; }
  .system-line { grid-template-columns: 1fr 1fr; }
  .system-line article:nth-child(2) { border-right: 0; }
  .system-line article:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .scenario-list { margin-top: 52px; }
  .scenario { grid-template-columns: 38px 1fr; }
  .scenario-mark { display: none; }
  .featured-project { grid-template-columns: 1fr; margin: 60px 0 80px; }
  .project-grid { grid-template-columns: 1fr; gap: 70px; }
  .project-card:nth-child(even) { margin-top: 0; }
  .letter-card { grid-template-columns: 1fr; }
  .letter-card a { max-width: 260px; }
  .evidence-grid { margin: 56px 0 0; }
  .quote-card blockquote { margin-top: 54px; }
  .process-list { grid-template-columns: 1fr; margin: 56px 0 0; }
  .process-list li { min-height: auto; border-right: 0; border-bottom: 1px solid var(--line); }
  .process-list li:last-child { border-bottom: 0; }
  .process-list h3 { margin-top: 55px; }
  .founder-note { grid-template-columns: 58px 1fr; margin-top: 58px; }
  .founder-note img { width: 58px; }
  .faq-list { margin-top: 56px; }
  .contact { padding-top: 94px; }
  .contact-index { left: 20px; }
  .button-large { min-height: 64px; padding-inline: 18px; font-size: 11px; }
  .contact-channel { flex-direction: column; gap: 4px; }
  .site-footer { grid-template-columns: 1fr; gap: 14px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
  .reveal { opacity: 1; transform: none; }
}
