.site-header {
  position: absolute;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  height: 88px;
  padding-inline: max(6vw, 32px);
  border-bottom: 1px solid var(--line);
}

.brand { display: flex; align-items: center; gap: 11px; font: 700 15px/1 var(--display); letter-spacing: 0.18em; }
.brand svg { width: 26px; fill: none; stroke: currentColor; stroke-width: 1.8; }
.brand-name { font-size: 12px; line-height: 1.35; letter-spacing: 0.12em; }
.site-header nav { display: flex; gap: 34px; font-size: 14px; }
.site-header nav a:hover { color: var(--accent); }
.menu-button { display: none; background: none; border: 0; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  min-width: 248px;
  padding: 17px 20px;
  gap: 28px;
  background: var(--ink);
  color: white;
  font-size: 14px;
  font-weight: 600;
  transition: 0.25s;
}

.button:hover { background: var(--accent); transform: translateY(-2px); }
.button span { font-size: 18px; }
.button-small { min-width: 0; padding: 12px 15px; gap: 14px; font-size: 12px; }

.hero {
  position: relative;
  min-height: 820px;
  padding-top: 174px;
  overflow: hidden;
  background: radial-gradient(circle at 79% 47%, rgba(120, 100, 255, 0.24), transparent 24%);
}

.eyebrow { display: flex; align-items: center; gap: 10px; font-size: 11px; font-weight: 600; letter-spacing: 0.18em; }
.eyebrow span { width: 7px; height: 7px; background: var(--accent); border-radius: 50%; }
.hero h1 { position: relative; z-index: 2; max-width: 940px; margin: 40px 0 32px; font: 500 clamp(54px, 5.8vw, 88px)/0.96 var(--display); letter-spacing: -0.055em; }
.hero h1 em { white-space: nowrap; }
.hero h1 em, .method h2 em, .contact h2 em, .penny h2 em { color: var(--accent); font-style: normal; }
.hero-copy { max-width: 570px; font-size: 19px; line-height: 1.6; }
.hero-actions { display: flex; align-items: center; gap: 30px; margin-top: 40px; }
.text-link { padding-block: 13px; border-bottom: 1px solid var(--ink); font-size: 14px; font-weight: 600; }
.text-link span { margin-left: 24px; }

.hero-system { position: absolute; right: 6vw; bottom: 90px; width: 370px; height: 350px; }
.orbit { position: absolute; left: 50%; top: 50%; border: 1px solid rgba(75, 61, 246, 0.27); border-radius: 50%; transform: translate(-50%, -50%); }
.orbit-one { width: 275px; height: 275px; }
.orbit-two { width: 355px; height: 215px; transform: translate(-50%, -50%) rotate(-25deg); }
.system-core { position: absolute; left: 50%; top: 50%; display: flex; flex-direction: column; align-items: center; justify-content: center; width: 150px; height: 150px; gap: 9px; border-radius: 50%; background: var(--ink); color: white; box-shadow: 0 20px 60px rgba(21, 20, 43, 0.22); transform: translate(-50%, -50%); text-align: center; font-size: 9px; letter-spacing: 0.12em; }
.system-core svg { width: 33px; fill: none; stroke: var(--pop); stroke-width: 1.4; }
.system-node { position: absolute; min-width: 120px; padding: 12px 16px; border: 1px solid var(--line); background: rgba(247, 246, 251, 0.92); font-size: 13px; }
.node-people { left: 4px; top: 58px; }
.node-process { right: 0; top: 74px; }
.node-tech { right: 8px; bottom: 45px; }
.hero-footnote { position: absolute; right: max(6vw, 32px); bottom: 28px; left: max(6vw, 32px); display: flex; justify-content: space-between; padding-top: 14px; border-top: 1px solid var(--line); font-size: 9px; letter-spacing: 0.14em; }

.thesis { padding-top: 120px; padding-bottom: 110px; }
.thesis-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 12vw; margin: 60px 0 10px; }
.thesis-grid h2 { margin: 0; font: 500 clamp(39px, 4.5vw, 70px)/1.08 var(--display); letter-spacing: -0.045em; }
.thesis-grid p { margin: 0 0 24px; font-size: 18px; line-height: 1.65; }

.method { padding-top: 110px; padding-bottom: 115px; background: #f0eefa; color: var(--ink); }
.method .light { color: var(--accent); }
.method-heading { display: block; margin: 55px 0 75px; }
.method-heading h2 { margin: 0; font: 500 clamp(40px, 5vw, 74px)/1.07 var(--display); letter-spacing: -0.045em; }
.method-heading p { width: auto; max-width: 590px; margin: 30px 0 0; color: var(--muted); font-size: 17px; line-height: 1.65; }
.approach-cards { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 12px; }
.approach-cards article { position: relative; min-height: 300px; padding: 24px; border: 1px solid rgba(21,20,43,.13); background: rgba(255,255,255,.72); transition: transform 0.3s, border-color 0.3s, background 0.3s, box-shadow .3s; }
.approach-cards article:hover { border-color: rgba(75,61,246,.35); background: white; box-shadow: 0 20px 45px rgba(21,20,43,.09); transform: translateY(-6px); }
.approach-icon { display: grid; place-items: center; width: 48px; height: 48px; margin: 36px 0 48px; border: 1px solid rgba(75,61,246,.35); border-radius: 50%; color: var(--accent); font-size: 21px; }
.approach-cards h3 { margin: 0 0 14px; font: 500 24px var(--display); }
.approach-cards p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.6; }

.penny { display: grid; grid-template-columns: .82fr 1.18fr; min-height: 730px; padding-top: 100px; padding-bottom: 100px; overflow: hidden; background: #eeecf9; color: var(--ink); }
.penny .light { color: var(--accent); }
.penny-copy { padding-right: 8vw; }
.penny-mark { display: grid; place-items: center; width: 54px; height: 54px; margin: 60px 0 26px; border-radius: 50%; background: var(--pop); color: var(--ink); font: 600 28px var(--display); }
.penny h2 { margin: 0 0 12px; font: 500 clamp(50px, 5vw, 76px)/1 var(--display); letter-spacing: -0.05em; }
.penny-copy > p { color: var(--accent); font-size: 18px; }
.penny .penny-body { max-width: 500px; margin-top: 42px; color: var(--muted); font-size: 16px; line-height: 1.65; }
.penny-visual { display: grid; place-items: center; min-height: 560px; padding: clamp(24px,4vw,58px); overflow:hidden; border: 1px solid rgba(21,20,43,.12); background: radial-gradient(circle at 75% 15%,rgba(255,138,61,.20),transparent 26%),linear-gradient(rgba(75,61,246,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(75,61,246,.05) 1px,transparent 1px),#f9f8fd; background-size: auto,48px 48px,48px 48px,auto; }
.penny-flow { width:100%;height:auto;overflow:visible;font-family:var(--sans); }
.flow-line { fill:none;stroke:var(--accent);stroke-width:2;stroke-dasharray:5 7;marker-end:url(#flow-arrow); }
.flow-node rect { fill:white;stroke:rgba(21,20,43,.14); }
.flow-node circle { fill:#eeebfa;stroke:var(--accent);stroke-width:1.5; }
.flow-node path { fill:none;stroke:var(--accent);stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round; }
.node-kicker { fill:var(--accent);font-size:10px;font-weight:600;letter-spacing:1.4px; }
.node-title { fill:var(--ink);font:600 14px var(--display); }
.recommend-node rect { fill:#fff3e6;stroke:#f0a355; }
.decision-node rect { fill:#eef0f4;stroke:#c3c8d1; }
.penny-core circle:first-child { fill:rgba(75,61,246,.08);stroke:rgba(75,61,246,.25); }
.penny-core circle:nth-child(2) { fill:var(--accent); }
.penny-core text { fill:white;text-anchor:middle;font:600 30px var(--display); }
.penny-core text:last-child { font:600 8px var(--sans);letter-spacing:1.8px; }

.principles { padding-top: 110px; padding-bottom: 120px; }
.principle-list { margin-top: 55px; border-top: 1px solid var(--line); }
.principle-list div { padding: 30px 0; border-bottom: 1px solid var(--line); }
.principle-list h3 { margin: 0; font: 500 clamp(26px, 3vw, 43px) var(--display); letter-spacing: -0.03em; }

.contact { position: relative; padding-top: 105px; padding-bottom: 110px; overflow: hidden; background: #e9e6f9; color: var(--ink); text-align: left; }
.contact .light { color: var(--accent); }
.contact-intro { max-width: 900px; margin-bottom: 78px; }
.contact h2 { margin: 45px 0 25px; font: 500 clamp(50px, 6vw, 88px)/1.02 var(--display); letter-spacing: -0.055em; }
.contact h2 em { color: var(--accent); }
.contact p { max-width: 600px; margin: 0 0 40px; color: var(--muted); line-height: 1.6; }
.button-light { align-self: flex-start; background: var(--ink); color: white; }
.button-light:hover { background: var(--pop); color: var(--ink); }
.contact-body { display: grid; grid-template-columns: minmax(0, .9fr) minmax(430px, 1.1fr); align-items: start; gap: clamp(70px, 9vw, 150px); }
.contact-form { display: flex; flex-direction: column; gap: 25px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.contact-form label { display: flex; flex-direction: column; gap: 9px; color: var(--accent); font-size: 10px; letter-spacing: .12em; text-transform: uppercase; }
.contact-form input, .contact-form textarea { width: 100%; padding: 11px 0; border: 0; border-bottom: 1px solid rgba(21,20,43,.3); border-radius: 0; outline: 0; background: transparent; color: var(--ink); font: 16px var(--sans); resize: vertical; transition: border-color .2s; }
.contact-form input:focus, .contact-form textarea:focus { border-color: var(--accent); }
.contact-form .button { margin-top: 12px; border: 0; cursor: pointer; }
.contact-form .button:disabled { opacity: .6; cursor: progress; }
.contact-form .honeypot { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.contact-form .form-status { min-height: 1.5em; margin: 0; color: var(--muted); font-size: 15px; line-height: 1.5; }
.contact-form .form-status.success { color: var(--accent); }
.contact-form .form-status.error { color: #b3261e; }
.capability-stack { min-width: 0; max-width: 400px; }
.stack-heading { display: flex; align-items: center; justify-content: flex-end; margin-bottom: 12px; }
.stack-pause { display: grid; place-items: center; width: 22px; height: 22px; border: 1px solid rgba(21,20,43,.3); border-radius: 50%; background: transparent; color: var(--ink); cursor: pointer; }
.stack-pause:hover { border-color: var(--accent); color: var(--accent); }
.stack-pause svg { width: 9px; height: 9px; fill: currentColor; }
.stack-cards { position: relative; height: 310px; perspective: 1000px; }
.stack-cards article { position: absolute; inset: 0; z-index: 0; display: flex; flex-direction: column; justify-content: center; padding: 32px; border: 1px solid var(--line); background: #ffffff; box-shadow: 0 22px 50px rgba(21,20,43,.10); opacity: 0; pointer-events: none; cursor:pointer; transform: translate(42px, 30px) scale(.9); transition: transform .55s cubic-bezier(.2,.8,.2,1), opacity .4s; }
.stack-cards article.active { z-index: 3; opacity: 1; pointer-events: auto; transform: translate(0,0) scale(1); }
.stack-cards article.next { z-index: 2; opacity: .75; transform: translate(18px, 16px) scale(.965); }
.stack-cards article.after-next { z-index: 1; opacity: .42; transform: translate(36px, 31px) scale(.93); }
.stack-cards small { color:var(--muted);font-size:10px;font-weight:600;letter-spacing:.15em; }
.cap-tile { width: 44px; height: 44px; border-radius: 12px; display: flex; align-items: center; justify-content: center; margin: 18px 0 18px; background: var(--tile-bg); }
.cap-icon { width: 21px; height: 21px; fill: none; stroke: var(--accent); stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.stack-cards h3 { max-width:340px;margin:0;font:500 clamp(21px,1.9vw,27px)/1.25 var(--display);letter-spacing:-.03em; }