:root {
  --bg: #f7f6fd;
  --card: #ffffff;
  --line: #e8e5f6;
  --ink: #17142e;
  --muted: #5d5a78;
  --soft: #f0edfc;
  --violet: #7c5cff;
  --pink: #f0509b;
  --orange: #ff9a4d;
  --gold-a: #f6c56b;
  --gold-b: #e8963f;
  --cream: #f6f1e7;
  --grad: linear-gradient(100deg, var(--violet), var(--pink) 55%, var(--orange));
  --gold: linear-gradient(100deg, var(--gold-a), var(--gold-b));
  --shadow: 0 1px 2px rgba(23, 20, 46, .04), 0 12px 32px -12px rgba(60, 40, 140, .18);
  --shadow-lg: 0 2px 4px rgba(23, 20, 46, .05), 0 30px 60px -24px rgba(90, 60, 200, .35);
  --radius: 22px;
  --head: "Space Grotesk", system-ui, sans-serif;
  --d-bg: #0e0c1d;
  --d-line: rgba(255, 255, 255, .1);
  --d-muted: #a9a5c4;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { background: var(--bg); color: var(--ink); font: 16px/1.6 Inter, system-ui, sans-serif; overflow-x: hidden; -webkit-font-smoothing: antialiased; }
body::before { content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background: radial-gradient(900px 500px at 85% -5%, rgba(124, 92, 255, .14), transparent 60%),
              radial-gradient(700px 500px at -5% 30%, rgba(240, 80, 155, .08), transparent 60%),
              radial-gradient(700px 500px at 100% 80%, rgba(255, 154, 77, .08), transparent 60%); }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
:focus-visible { outline: 2px solid var(--violet); outline-offset: 3px; border-radius: 8px; }
.wrap { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }
.narrow { width: min(860px, calc(100% - 32px)); }
.progress { position: fixed; top: 0; left: 0; height: 3px; width: 0; background: var(--grad); z-index: 60; }

/* ---------- nav ---------- */
.nav { position: fixed; top: 14px; left: 50%; transform: translateX(-50%); width: min(1180px, calc(100% - 32px)); display: flex; align-items: center; justify-content: space-between; padding: 9px 10px 9px 22px; border: 1px solid var(--line); border-radius: 999px; background: rgba(255, 255, 255, .8); backdrop-filter: blur(16px); box-shadow: var(--shadow); z-index: 50; }
.logo { font: 700 21px var(--head); letter-spacing: -.02em; }
.logo span { color: var(--pink); }
.nav nav { display: flex; gap: 2px; align-items: center; }
.nav nav a { padding: 8px 14px; border-radius: 999px; color: var(--muted); font-size: 14.5px; font-weight: 500; transition: color .2s, background .2s; }
.nav nav a:hover, .nav nav a.active { color: var(--ink); background: var(--soft); }
.nav nav a.pill { background: var(--ink); color: #fff; margin-left: 6px; }
.nav nav a.pill:hover { background: var(--violet); }
.menu-btn { display: none; background: none; border: 0; width: 40px; height: 40px; cursor: pointer; }
.menu-btn span { display: block; width: 22px; height: 2px; background: var(--ink); margin: 6px auto; transition: transform .3s; }
.menu-btn[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
.menu-btn[aria-expanded="true"] span:last-child { transform: translateY(-4px) rotate(-45deg); }

/* ---------- type ---------- */
h1, h2, h3, h4 { font-family: var(--head); letter-spacing: -.03em; line-height: 1.08; }
h2 { font-size: clamp(32px, 4.4vw, 52px); }
.kicker { display: inline-flex; align-items: center; gap: 12px; font: 600 12.5px var(--head); letter-spacing: .16em; text-transform: uppercase; color: var(--violet); margin-bottom: 14px; }
.kicker.line::before, .kicker.line::after { content: ""; width: 34px; height: 1px; background: currentColor; opacity: .5; }
.sub { color: var(--muted); margin-top: 12px; font-size: 17px; max-width: 680px; }
.center { text-align: center; }
.center .sub { margin-left: auto; margin-right: auto; }
.grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; background-size: 200% 100%; animation: shine 7s linear infinite; }
.gold { background: var(--gold); -webkit-background-clip: text; background-clip: text; color: transparent; }
@keyframes shine { to { background-position: 200% 0; } }
.section { padding: 100px 0 10px; }
.head { margin-bottom: 40px; }

/* ---------- hero ---------- */
.hero { display: grid; grid-template-columns: 1.1fr .9fr; align-items: center; gap: 30px; padding: 118px 0 26px; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; padding: 7px 14px; border: 1px solid var(--line); border-radius: 999px; background: #fff; color: var(--muted); font-size: 14px; box-shadow: var(--shadow); }
.dot { width: 8px; height: 8px; border-radius: 50%; background: #22c55e; animation: pulse 2s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(34, 197, 94, .5); } 70% { box-shadow: 0 0 0 10px rgba(34, 197, 94, 0); } 100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0); } }
.hero h1 { font-size: clamp(34px, 4.3vw, 58px); margin: 20px 0 16px; }
.rot-line { display: block; min-height: 1.08em; white-space: nowrap; }
.rotator { color: var(--violet); }
.caret { color: var(--pink); font-weight: 400; animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.tagline { font: 600 15px var(--head); color: var(--ink); }
.lead { font-size: clamp(16px, 1.6vw, 18px); color: var(--muted); max-width: 620px; margin-top: 10px; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 14px 24px; border-radius: 999px; font-weight: 600; font-size: 15px; transition: transform .2s, box-shadow .2s, background .2s; border: 1px solid var(--line); cursor: pointer; }
.btn.primary { background: var(--grad); border: 0; color: #fff; box-shadow: 0 12px 30px -10px rgba(240, 80, 155, .6); }
.btn.ghost { background: #fff; box-shadow: var(--shadow); }
.btn.small { padding: 10px 18px; font-size: 14px; background: var(--gold); color: #1d1405; border: 0; }
.btn:hover { transform: translateY(-2px); }
.hero-art { position: relative; }
.hero-art img { width: 100%; position: relative; z-index: 1; filter: drop-shadow(0 30px 40px rgba(90, 60, 200, .18)); }
.float { animation: float 6s ease-in-out infinite; }
@keyframes float { 50% { transform: translateY(-14px); } }
.orb { position: absolute; border-radius: 50%; filter: blur(50px); z-index: 0; }
.o1 { width: 60%; height: 60%; background: rgba(124, 92, 255, .25); top: 10%; left: 15%; }
.o2 { width: 40%; height: 40%; background: rgba(255, 154, 77, .2); bottom: 5%; right: 5%; }
.chip { position: absolute; z-index: 2; background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 9px 14px; font-size: 14px; color: var(--muted); box-shadow: var(--shadow-lg); animation: float 5s ease-in-out infinite; }
.chip b { color: var(--ink); font-family: var(--head); font-size: 17px; margin-right: 2px; }
.c1 { top: 4%; left: 0; }
.c2 { bottom: 14%; left: 4%; animation-delay: -2s; }
.c3 { top: 20%; right: 0; animation-delay: -3.5s; }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 10px; }
.stat { padding: 22px 24px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; box-shadow: var(--shadow); }
.stat b { display: block; font: 700 clamp(30px, 3.6vw, 42px) var(--head); background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat span { color: var(--muted); font-size: 14px; }

/* ---------- industries strip ---------- */
.industries { margin: 34px auto 70px; padding: 18px 22px; border: 1px dashed #d8d1f7; border-radius: 18px; background: rgba(255, 255, 255, .6); display: grid; gap: 10px; }
.ind-row { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.ind-row > b { font: 600 13px var(--head); min-width: 190px; color: var(--ink); }
.pillw, .pillp { font-size: 13px; padding: 4px 11px; border-radius: 999px; }
.pillw { background: #e7f8ee; color: #157a3c; border: 1px solid #bfe9cf; }
.pillp { background: #e8f1ff; color: #2459d6; border: 1px solid #c7dbff; }

/* ---------- dark band: problems ---------- */
.band.dark { position: relative; background: var(--d-bg); color: #fff; padding: 80px 0 70px; overflow: hidden; }
.band.dark::before { content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(700px 360px at 15% 0%, rgba(124, 92, 255, .28), transparent 70%), radial-gradient(600px 360px at 95% 100%, rgba(232, 150, 63, .18), transparent 70%); }
.band.dark .wrap { position: relative; }
.band.dark .kicker { color: var(--gold-a); }
.band.dark .sub { color: var(--d-muted); }
.problems { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.prob { position: relative; display: flex; flex-direction: column; background: var(--cream); color: var(--ink); border-radius: 22px; padding: 0 0 20px; cursor: pointer; overflow: hidden;
  clip-path: polygon(0 0, calc(100% - 34px) 0, 100% 34px, 100% 100%, 0 100%); transition: transform .35s cubic-bezier(.2, .8, .2, 1); }
.prob::after { content: ""; position: absolute; top: 0; right: 0; width: 34px; height: 34px; background: linear-gradient(225deg, transparent 50%, #e2d8c4 50%); border-bottom-left-radius: 8px; }
.prob:hover { transform: translateY(-8px); }
.prob .art { background: linear-gradient(170deg, #fffaf1, #f1e9da); padding: 14px 18px 4px; }
.prob .art img { height: 136px; width: 100%; object-fit: contain; transition: transform .5s; }
.prob:hover .art img { transform: scale(1.06) translateY(-4px); }
.prob .in { padding: 16px 20px 0; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.ptag { align-self: flex-start; font: 600 10.5px var(--head); letter-spacing: .12em; text-transform: uppercase; color: #d4364b; border: 1px solid #f2b3bc; background: #fde9ec; padding: 4px 10px; border-radius: 999px; }
.prob h3 { font-size: 19px; line-height: 1.2; }
.prob p { color: #5f5a52; font-size: 14px; line-height: 1.55; }
.pres { margin-top: auto; padding: 14px 20px 0; border-top: 1px solid #e3d9c6; display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; }
.pres b { font: 700 24px var(--head); letter-spacing: -.02em; }
.pres span { color: #7a7368; font-size: 13px; }
.swipe-hint { display: none; text-align: center; color: var(--d-muted); font-size: 13px; margin-top: 6px; }
.strip { margin-top: 34px; display: flex; align-items: center; gap: 14px; flex-wrap: wrap; padding: 14px 16px 14px 18px; border: 1px solid var(--d-line); border-radius: 999px; background: rgba(255, 255, 255, .04); }
.strip > span:nth-child(2) { flex: 1; font-weight: 600; font-size: 15px; }
.strip-ico { width: 34px; height: 34px; display: grid; place-items: center; border-radius: 50%; background: rgba(255, 255, 255, .08); color: var(--gold-a); }

/* ---------- what I do ---------- */
.caps { display: grid; grid-template-columns: 1.25fr 1fr 1fr; gap: 18px; }
.cap { padding: 24px; border-radius: var(--radius); border: 1px solid var(--line); background: #fff; box-shadow: var(--shadow); transition: transform .3s, box-shadow .3s; }
.cap:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.cap.main { background: linear-gradient(160deg, #f1ecff, #fff 60%); border-color: #d9cfff; }
.cap .level { display: inline-block; font: 600 11px var(--head); letter-spacing: .12em; text-transform: uppercase; padding: 4px 10px; border-radius: 999px; background: var(--soft); color: var(--muted); }
.cap.main .level { background: var(--grad); color: #fff; }
.cap img { width: 160px; margin: 6px 0 2px -8px; }
.cap h3 { font-size: 23px; margin-bottom: 8px; }
.cap.main h3 { font-size: 27px; }
.cap p { color: var(--muted); font-size: 15px; }
.cap ul { margin: 14px 0 0 18px; font-size: 14.5px; display: grid; gap: 4px; }

/* ---------- process accordion ---------- */
.process { display: flex; gap: 12px; height: 430px; }
.step { position: relative; flex: 1; min-width: 0; border-radius: 24px; background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow); overflow: hidden; cursor: pointer; transition: flex .6s cubic-bezier(.2, .8, .2, 1), background .4s, border-color .4s; padding: 24px; display: flex; flex-direction: column; }
.step.on { flex: 4.2; background: linear-gradient(160deg, #f1ecff, #fff 55%, #fff4ea); border-color: #d9cfff; cursor: default; }
.step .num { font: 600 14px var(--head); color: var(--violet); }
.step h3 { font-size: 19px; margin-top: 4px; padding-right: 40px; }
.step.on h3 { font-size: 24px; white-space: nowrap; }
.step .ico { position: absolute; top: 20px; right: 20px; width: 36px; height: 36px; border-radius: 50%; background: var(--soft); display: grid; place-items: center; color: var(--violet); font-weight: 700; transition: transform .4s; }
.step.on .ico { transform: rotate(45deg); background: var(--grad); color: #fff; }
.step .body { opacity: 0; visibility: hidden; transition: opacity .35s .1s; display: grid; grid-template-columns: 1fr 1fr; gap: 20px; align-items: end; margin-top: auto; }
.step.on .body { opacity: 1; visibility: visible; }
.step .body p { color: var(--muted); font-size: 15.5px; }
.step .body ul { list-style: none; margin-top: 12px; display: grid; gap: 6px; font-size: 14.5px; }
.step .body li::before { content: "—"; color: var(--orange); margin-right: 10px; }
.step .ex { margin-top: 14px; font-size: 13.5px; color: var(--ink); background: var(--soft); border-radius: 12px; padding: 9px 12px; }
.step .body img { width: 100%; max-height: 250px; object-fit: contain; }
.step .vt { position: absolute; left: 50%; bottom: 22px; transform: translateX(-50%); width: 92px; opacity: .95; transition: opacity .3s; }
.step.on .vt { opacity: 0; }

/* ---------- own projects ---------- */
.agents { display: grid; grid-template-columns: repeat(6, 1fr); gap: 20px; }
.agent { grid-column: span 2; position: relative; border-radius: var(--radius); background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow); overflow: hidden; cursor: pointer; display: flex; flex-direction: column; transition: transform .3s, box-shadow .3s; }
.agent:nth-child(1), .agent:nth-child(2) { grid-column: span 3; }
.agent:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.agent .shot { aspect-ratio: 16 / 9; overflow: hidden; border-bottom: 1px solid var(--line); background: #eef; }
.agent .shot img { width: 100%; height: 100%; object-fit: cover; object-position: top; transition: transform .6s; }
.agent:hover .shot img { transform: scale(1.05); }
.agent .in { padding: 18px 20px 20px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.agent .meta { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.ind-badge { font: 600 11px var(--head); letter-spacing: .06em; text-transform: uppercase; padding: 3px 9px; border-radius: 999px; background: #e8f1ff; color: #2459d6; border: 1px solid #c7dbff; }
.track { font-size: 12.5px; color: var(--muted); }
.agent h4, .build h4 { font: 700 19px/1.2 var(--head); }
.agent p, .build p { color: var(--muted); font-size: 14.5px; }
.metrics { display: flex; flex-wrap: wrap; gap: 8px; margin-top: auto; padding-top: 4px; }
.metric { padding: 6px 10px; border-radius: 12px; background: var(--soft); font-size: 13px; color: var(--muted); }
.metric b { color: var(--ink); font-family: var(--head); margin-right: 4px; }
.sub-title { font-size: 26px; margin: 60px 0 20px; text-align: center; }
.builds { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.build { border-radius: var(--radius); background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow); overflow: hidden; transition: transform .3s, box-shadow .3s; display: flex; flex-direction: column; }
.build:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.build .art { background: linear-gradient(160deg, #f4f1ff, #fdf4fa 70%, #fff6ee); padding: 14px; border-bottom: 1px solid var(--line); }
.build .art img { height: 140px; width: 100%; object-fit: contain; transition: transform .5s; }
.build:hover .art img { transform: scale(1.06); }
.build .in { padding: 16px 18px 18px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: auto; padding-top: 4px; }
.tag { font-size: 12px; padding: 3px 9px; border-radius: 999px; border: 1px solid var(--line); color: var(--muted); }

/* ---------- 3D agents carousel ---------- */
.ring-wrap { position: relative; perspective: 1400px; padding-top: 10px; overflow-x: clip; }
.ring { position: relative; height: 580px; transform-style: preserve-3d; touch-action: pan-y; }
.rcard { position: absolute; left: 50%; top: 50%; width: clamp(270px, 25vw, 330px); height: 530px; border-radius: 22px; overflow: hidden; background: #0b0a12;
  border: 1px solid color-mix(in srgb, var(--acc) 35%, transparent); box-shadow: 0 30px 70px -20px rgba(10, 8, 30, .6);
  transition: transform .8s cubic-bezier(.22, 1, .36, 1), opacity .8s; cursor: pointer; color: #fff; user-select: none; backface-visibility: hidden; }
.rcard.front { box-shadow: 0 40px 90px -20px rgba(10, 8, 30, .75), 0 0 0 1px color-mix(in srgb, var(--acc) 60%, transparent); }
.rphoto { position: absolute; inset: 0 0 auto 0; height: 66%; overflow: hidden; }
.rphoto img { width: 100%; height: 100%; object-fit: cover; object-position: top left; transition: transform 1s; }
.rcard.front:hover .rphoto img { transform: scale(1.05); }
.rshade { position: absolute; inset: 0; background: linear-gradient(rgba(11, 10, 18, .25) 0%, rgba(11, 10, 18, .1) 30%, rgba(11, 10, 18, .7) 70%, #0b0a12 100%); }
.rico { position: absolute; top: 18px; left: 18px; width: 48px; height: 48px; border-radius: 14px; display: grid; place-items: center; font-size: 22px;
  background: rgba(255, 255, 255, .14); backdrop-filter: blur(10px); border: 1px solid rgba(255, 255, 255, .2); }
.rnum { position: absolute; top: 10px; right: 18px; font: 700 46px var(--head); color: rgba(255, 255, 255, .85); text-shadow: 0 2px 12px rgba(0, 0, 0, .6); }
.rtext { position: absolute; left: 22px; right: 22px; top: 33%; text-shadow: 0 2px 10px rgba(0, 0, 0, .7); }
.rtext h4 { font: 700 23px/1.15 var(--head); }
.rtext p { margin-top: 8px; font-size: 13.5px; line-height: 1.5; color: rgba(255, 255, 255, .85); display: -webkit-box; -webkit-line-clamp: 4; -webkit-box-orient: vertical; overflow: hidden; }
.rfacts { position: absolute; left: 0; right: 0; bottom: 0; padding: 16px 22px 20px; border-top: 1px solid rgba(255, 255, 255, .1); display: grid; gap: 6px; font-size: 13.5px; color: rgba(255, 255, 255, .65); background: #0b0a12; }
.rfacts b { color: #fff; font-weight: 600; }
.rmore { margin-top: 4px; font-size: 13px; font-weight: 600; color: var(--acc); opacity: 0; transition: opacity .3s; }
.rcard.front .rmore { opacity: 1; }
.ring-nav { display: flex; align-items: center; justify-content: center; gap: 14px; margin-top: 6px; }
.rbtn { width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--line); background: #fff; font-size: 24px; line-height: 1; color: var(--ink); cursor: pointer; box-shadow: var(--shadow); transition: transform .2s, border-color .2s; }
.rbtn:hover { transform: scale(1.08); border-color: var(--violet); color: var(--violet); }
.rdots { display: flex; gap: 6px; }
.rdot { width: 7px; height: 7px; border-radius: 99px; border: 0; background: #cfcbe3; cursor: pointer; transition: width .35s, background .35s; padding: 0; }
.rdot.on { width: 26px; background: var(--grad); }

/* ---------- stack tabs ---------- */
.tabs { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-bottom: 26px; }
.tab { padding: 11px 20px; border-radius: 999px; border: 1px solid var(--line); background: #fff; font: 600 14.5px var(--head); color: var(--muted); cursor: pointer; transition: all .25s; }
.tab:hover { color: var(--ink); }
.tab.on { background: var(--ink); color: #fff; border-color: var(--ink); box-shadow: var(--shadow-lg); }
.tab-panel { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; min-height: 120px; }
.tool { display: flex; align-items: center; gap: 10px; padding: 12px 18px 12px 12px; border-radius: 16px; background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow); font-weight: 600; font-size: 15px; animation: rise .5s both; }
.tool i { width: 32px; height: 32px; border-radius: 10px; display: grid; place-items: center; font-style: normal; font: 700 13px var(--head); color: #fff; }
@keyframes rise { from { opacity: 0; transform: translateY(12px); } }

/* ---------- timeline ---------- */
.timeline { list-style: none; display: grid; gap: 16px; }
.timeline > li { display: grid; grid-template-columns: 200px 1fr; gap: 24px; padding: 24px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; box-shadow: var(--shadow); }
.timeline .when { font: 600 14px var(--head); color: var(--violet); }
.timeline .where { color: var(--muted); font-size: 13.5px; }
.timeline h3 { font-size: 21px; }
.timeline .org { color: var(--muted); font-size: 15px; }
.timeline ul { margin: 10px 0 0 18px; color: var(--muted); font-size: 15px; display: grid; gap: 4px; }
.edu { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 22px; }
.edu div { padding: 18px 20px; border-radius: 16px; border: 1px dashed #d8d1f7; background: rgba(255, 255, 255, .7); }
.edu b { font-family: var(--head); display: block; }
.edu span { color: var(--muted); font-size: 14px; }

/* ---------- FAQ ---------- */
.faq { display: grid; gap: 12px; }
.qa { border: 1px solid var(--line); border-radius: 18px; background: #fff; box-shadow: var(--shadow); overflow: hidden; }
.qa button { width: 100%; text-align: left; background: none; border: 0; padding: 20px 22px; font: 600 16.5px var(--head); color: var(--ink); cursor: pointer; display: flex; gap: 14px; align-items: center; }
.qa button i { font-style: normal; color: var(--violet); transition: transform .3s; }
.qa.open button i { transform: rotate(90deg); }
.qa.open button { color: var(--violet); }
.qa .ans { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .4s ease; }
.qa.open .ans { grid-template-rows: 1fr; }
.qa .ans > div { overflow: hidden; }
.qa .ans p { padding: 0 22px 20px 48px; color: var(--muted); }

/* ---------- CTA card (dark) ---------- */
.cta-card { position: relative; text-align: center; padding: 56px 30px; border-radius: 32px; background: var(--d-bg); color: #fff; overflow: hidden; box-shadow: 0 40px 80px -30px rgba(23, 20, 46, .6); margin-bottom: 100px; }
.cta-card::before { content: ""; position: absolute; inset: 0; background: radial-gradient(500px 260px at 50% 110%, rgba(232, 150, 63, .35), transparent 70%), radial-gradient(500px 260px at 50% -10%, rgba(124, 92, 255, .35), transparent 70%); pointer-events: none; }
.cta-card > * { position: relative; }
.cta-card h2 { max-width: 760px; margin: 0 auto; }
.cta-card p { color: var(--d-muted); margin-top: 14px; }
.cta-card .cta { justify-content: center; }
.cta-card .btn.ghost { background: rgba(255, 255, 255, .06); border-color: var(--d-line); color: #fff; box-shadow: none; }

/* ---------- footer (dark) ---------- */
.footer { background: var(--d-bg); color: #fff; padding: 44px 0 0; }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 30px; }
.footer h4 { font: 600 12.5px var(--head); letter-spacing: .16em; text-transform: uppercase; color: var(--gold-a); margin-bottom: 14px; }
.footer a, .footer span a { display: block; color: var(--d-muted); font-size: 14.5px; margin-bottom: 8px; }
.footer a:hover { color: #fff; }
.footer p { color: var(--d-muted); font-size: 14px; margin-top: 12px; max-width: 320px; }
.logo.light { color: #fff; font-size: 24px; }
.foot-bottom { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-top: 28px; padding: 18px 0 22px; border-top: 1px solid var(--d-line); color: var(--d-muted); font-size: 13px; }
.foot-bottom .top { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 50%; border: 1px solid var(--d-line); margin: 0; color: #fff; }

/* ---------- modal ---------- */
dialog { width: min(880px, calc(100% - 32px)); max-height: calc(100svh - 48px); margin: auto; border: 0; border-radius: 26px; background: #fff; color: var(--ink); padding: 0; overflow: auto; box-shadow: 0 40px 100px -20px rgba(23, 20, 46, .5); }
dialog::backdrop { background: rgba(23, 20, 46, .55); backdrop-filter: blur(6px); }
dialog[open] { animation: pop .35s cubic-bezier(.2, .9, .3, 1.2); }
@keyframes pop { from { opacity: 0; transform: translateY(20px) scale(.96); } }
.close { position: sticky; float: right; top: 12px; margin: 12px 12px 0 0; width: 38px; height: 38px; border-radius: 50%; border: 1px solid var(--line); background: rgba(255, 255, 255, .92); color: var(--ink); font-size: 16px; cursor: pointer; z-index: 2; }
.m-shot img { width: 100%; border-bottom: 1px solid var(--line); }
.m-art { background: linear-gradient(160deg, #f4f1ff, #fdf4fa 70%, #fff6ee); padding: 20px; }
.m-art img { width: min(420px, 90%); margin: 0 auto; }
.m-content { padding: 24px 28px 30px; }
.m-content .org { color: var(--violet); font-weight: 600; font-size: 13px; }
.m-content h3 { font-size: 28px; margin: 6px 0 10px; }
.m-content p { color: var(--muted); }
.m-content ul { margin: 16px 0 0 18px; color: var(--muted); display: grid; gap: 8px; }
.m-content .metrics { margin: 16px 0 4px; padding: 0; }
.m-content .tags { margin-top: 16px; }
.note { margin-top: 18px; font-size: 13px; color: var(--muted); padding: 12px 14px; border-radius: 12px; background: var(--soft); }

/* ---------- reveal ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .8s ease, transform .8s cubic-bezier(.2, .8, .2, 1); }
.reveal.in { opacity: 1; transform: none; }

/* ---------- responsive ---------- */
@media (max-width: 1060px) {
  .problems { grid-template-columns: repeat(2, 1fr); }
  .builds { grid-template-columns: repeat(2, 1fr); }
  .agents { grid-template-columns: repeat(2, 1fr); }
  .agent, .agent:nth-child(1), .agent:nth-child(2) { grid-column: span 1; }
}
@media (max-width: 980px) {
  .hero { grid-template-columns: 1fr; padding-top: 110px; }
  .hero-art { max-width: 520px; margin: 0 auto; width: 100%; }
  .caps { grid-template-columns: 1fr; }
  .timeline > li { grid-template-columns: 1fr; gap: 6px; }
  .edu { grid-template-columns: repeat(2, 1fr); }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .process { flex-direction: column; height: auto; }
  .step { flex: none !important; }
  .step .body { display: none; grid-template-columns: 1fr; }
  .step.on .body { display: grid; margin-top: 16px; }
  .step .vt { display: none; }
  .step .body img { max-height: 180px; }
}
@media (max-width: 820px) {
  .menu-btn { display: block; }
  .nav nav { position: absolute; top: calc(100% + 10px); left: 0; right: 0; flex-direction: column; align-items: stretch; padding: 10px; border: 1px solid var(--line); border-radius: 20px; background: rgba(255, 255, 255, .97); box-shadow: var(--shadow-lg); opacity: 0; pointer-events: none; transform: translateY(-8px); transition: all .25s; }
  .nav nav.open { opacity: 1; pointer-events: auto; transform: none; }
  .nav nav a { padding: 12px 16px; font-size: 16px; }
  .nav nav a.pill { margin: 4px 0 0; text-align: center; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .section { padding-top: 80px; }
  .ind-row > b { min-width: 100%; }
  .strip { border-radius: 20px; }
}
@media (max-width: 640px) {
  .ring { height: 500px; }
  .rcard { width: 250px; height: 470px; }
  .rtext h4 { font-size: 20px; }
}
@media (max-width: 560px) {
  .builds, .agents { grid-template-columns: 1fr; }
  .problems { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; gap: 14px; margin: 0 -16px; padding: 4px 16px 16px; scrollbar-width: none; }
  .problems::-webkit-scrollbar { display: none; }
  .prob { flex: 0 0 84%; scroll-snap-align: center; }
  .swipe-hint { display: block; }
  .edu, .foot-grid { grid-template-columns: 1fr; }
  .stat { padding: 16px; }
  .chip { font-size: 12.5px; padding: 7px 10px; }
  .chip b { font-size: 15px; }
  .m-content { padding: 20px; }
  .foot-bottom { flex-wrap: wrap; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}