:root {
  --black: #050505;
  --white: #f5f5f7;
  --muted: #86868b;
  --line: rgba(0, 0, 0, 0.12);
  --blue: #0071e3;
  --green: #30d158;
  --shell: min(1180px, calc(100% - 48px));
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: #1d1d1f;
  background: var(--white);
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; overflow-x: hidden; background: var(--white); }
a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }
.content-shell { width: var(--shell); margin-inline: auto; }
.section-dark { color: var(--white); background: var(--black); }

.scroll-progress {
  position: fixed; z-index: 100; top: 0; left: 0; width: 100%; height: 3px;
  transform: scaleX(0); transform-origin: left; background: var(--blue);
}

.site-header {
  position: fixed; z-index: 90; top: 0; width: 100%;
  background: rgba(245, 245, 247, 0.74); backdrop-filter: saturate(180%) blur(22px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}
.nav-shell { width: var(--shell); height: 52px; margin: auto; display: flex; align-items: center; justify-content: space-between; }
.brand { display: flex; align-items: center; gap: 9px; font-size: 14px; font-weight: 650; }
.brand-mark { display: grid; width: 23px; height: 23px; place-items: center; border-radius: 50%; background: #1d1d1f; color: white; font-size: 12px; }
.nav-links { display: flex; gap: 34px; color: #424245; font-size: 12px; }
.nav-links a { transition: color .25s; }
.nav-links a:hover { color: var(--blue); }
.nav-action { padding: 7px 14px; border-radius: 999px; color: white; background: var(--blue); font-size: 12px; }

.hero { position: relative; min-height: 100svh; padding: 150px 24px 48px; display: flex; flex-direction: column; justify-content: center; overflow: hidden; }
.hero-glow { position: absolute; inset: 20% 10% auto; height: 60%; opacity: .55; filter: blur(80px); background: radial-gradient(ellipse, rgba(0, 113, 227, .18), transparent 68%); pointer-events: none; }
.hero-copy { position: relative; text-align: center; }
.eyebrow, .section-label { margin: 0 0 24px; color: var(--muted); font-size: 12px; font-weight: 650; text-transform: uppercase; }
.hero-name { margin: 0; display: flex; justify-content: center; font-size: clamp(94px, 18vw, 260px); font-weight: 700; line-height: .88; letter-spacing: 0; }
.hero-name span { display: inline-block; opacity: 0; transform: translateY(80px) scale(.9); animation: name-in 1.15s cubic-bezier(.2,.75,.2,1) forwards; }
.hero-name span:nth-child(2) { animation-delay: .1s; }
.hero-name span:nth-child(3) { animation-delay: .2s; }
.hero-role { margin: 48px auto 0; max-width: 690px; font-size: clamp(22px, 3.2vw, 44px); font-weight: 600; line-height: 1.2; }
.hero-foot { position: absolute; bottom: 38px; left: max(24px, calc((100% - 1180px) / 2)); right: max(24px, calc((100% - 1180px) / 2)); display: flex; justify-content: space-between; color: var(--muted); font-size: 12px; }
.hero-foot a { color: #1d1d1f; }

.statement { min-height: 100svh; display: grid; place-items: center; padding: 140px 24px; }
.statement-inner { width: min(1050px, 100%); }
.statement-text { margin: 0; font-size: clamp(39px, 6.6vw, 94px); line-height: 1.08; letter-spacing: 0; }
.statement-text span { display: block; }
.statement-text .accent-line { color: #2997ff; }
.statement-note { width: min(560px, 100%); margin: 56px 0 0 auto; color: #a1a1a6; font-size: 20px; line-height: 1.65; }

.leadership { padding: 150px 0 0; background: #fff; }
.leadership-head h2, .partner-title h2, .abilities-heading h2 { margin: 0; font-size: clamp(52px, 8vw, 112px); line-height: .98; letter-spacing: 0; }
.leadership-head h2 span { color: var(--muted); }
.metric-stage { min-height: 650px; padding: 130px 0; display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.metric { white-space: nowrap; color: var(--blue); }
.metric strong { font-size: clamp(140px, 22vw, 310px); line-height: .75; letter-spacing: -8px; }
.metric sup { font-size: clamp(45px, 6vw, 84px); font-weight: 700; }
.metric-copy > p { margin: 42px 0 0; font-size: 25px; font-weight: 650; }
.metric-description > p { font-size: clamp(22px, 2.5vw, 34px); font-weight: 600; line-height: 1.35; }
.mini-metrics { margin-top: 55px; border-top: 1px solid var(--line); }
.mini-metrics span { padding: 18px 0; display: flex; justify-content: space-between; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 14px; }
.mini-metrics strong { color: #1d1d1f; font-size: 16px; }
.team-visual { position: relative; height: min(75vw, 820px); margin: 0; overflow: hidden; background: #111; }
.team-visual img { width: 100%; height: 120%; object-fit: cover; filter: saturate(.15) contrast(1.05); transform: translateY(var(--image-shift, -8%)) scale(1.03); }
.team-visual::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 45%, rgba(0,0,0,.72)); }
.team-visual figcaption { position: absolute; z-index: 2; left: max(24px, calc((100% - 1180px) / 2)); bottom: 55px; max-width: 680px; color: white; font-size: clamp(25px, 4vw, 52px); font-weight: 650; }

.partner { padding: 160px 0 100px; overflow: hidden; }
.partner-layout { display: grid; grid-template-columns: 1.2fr .8fr; gap: 80px; align-items: end; }
.partner-title h2 { font-size: clamp(54px, 8vw, 105px); }
.partner-copy { color: #a1a1a6; font-size: 21px; line-height: 1.6; }
.partner-copy p:last-child { color: white; }
.marquee { width: max-content; margin-top: 140px; color: #2c2c2e; font-size: clamp(70px, 12vw, 170px); font-weight: 700; white-space: nowrap; animation: marquee 24s linear infinite; }

.abilities { padding: 160px 0; background: #fbfbfd; }
.abilities-heading { display: grid; grid-template-columns: 1.3fr .7fr; gap: 80px; align-items: end; margin-bottom: 110px; }
.abilities-heading p { color: var(--muted); font-size: 19px; line-height: 1.55; }
.ability-list { border-top: 1px solid var(--line); }
.ability { min-height: 145px; padding: 35px 0; display: grid; grid-template-columns: 80px 1fr 1fr; gap: 30px; align-items: center; border-bottom: 1px solid var(--line); transition: padding .4s, background .4s; }
.ability:hover { padding-inline: 25px; background: white; }
.ability span { color: var(--muted); font-size: 13px; }
.ability h3 { margin: 0; font-size: clamp(27px, 3vw, 42px); }
.ability p { margin: 0; color: var(--muted); font-size: 16px; line-height: 1.55; }

.education { min-height: 100svh; padding: 80px 24px; display: grid; place-items: center; background: linear-gradient(145deg, #e8e8ed, #fff 65%); }
.education-card { width: min(900px, 100%); padding: clamp(45px, 8vw, 105px); border: 1px solid rgba(255,255,255,.8); border-radius: 42px; background: rgba(255,255,255,.68); box-shadow: 0 40px 100px rgba(0,0,0,.1); backdrop-filter: blur(28px); }
.education-card h2 { margin: 0 0 28px; font-size: clamp(60px, 10vw, 130px); line-height: .95; }
.education-card > p:not(.section-label) { max-width: 620px; color: var(--muted); font-size: 22px; line-height: 1.55; }
.status { margin-top: 60px; font-size: 14px; font-weight: 650; }
.status span { display: inline-block; width: 9px; height: 9px; margin-right: 10px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 6px rgba(48,209,88,.14); }

.closing { min-height: 100svh; display: grid; place-items: center; padding: 120px 24px; text-align: center; }
.closing h2 { margin: 0; font-size: clamp(58px, 10vw, 145px); line-height: .95; }
.closing h2 span { color: #2997ff; }
.closing p:not(.section-label) { margin: 42px auto; color: #a1a1a6; font-size: 20px; }
.contact-button { display: inline-flex; gap: 12px; align-items: center; padding: 15px 24px; border-radius: 999px; background: var(--blue); color: white; font-weight: 600; transition: transform .25s, background .25s; }
.contact-button:hover { transform: scale(1.04); background: #0077ed; }

footer { min-height: 84px; padding: 0 max(24px, calc((100% - 1180px) / 2)); display: flex; align-items: center; justify-content: space-between; color: var(--muted); background: var(--black); border-top: 1px solid #2c2c2e; font-size: 12px; }
footer a { color: white; font-weight: 650; }

.reveal, .reveal-line, .reveal-media { opacity: 0; transform: translateY(45px); transition: opacity .9s ease, transform 1s cubic-bezier(.2,.75,.2,1); }
.reveal-line { transform: translateY(65px); }
.reveal-media { transform: translateY(80px) scale(.97); }
.is-visible { opacity: 1; transform: translateY(0) scale(1); }
.ability:nth-child(2) { transition-delay: .06s; }
.ability:nth-child(3) { transition-delay: .12s; }
.ability:nth-child(4) { transition-delay: .18s; }
.ability:nth-child(5) { transition-delay: .24s; }
.ability:nth-child(6) { transition-delay: .3s; }

@keyframes name-in { to { opacity: 1; transform: translateY(0) scale(1); } }
@keyframes marquee { to { transform: translateX(-50%); } }

@media (max-width: 760px) {
  :root { --shell: calc(100% - 36px); }
  .nav-links { display: none; }
  .hero { padding-top: 110px; }
  .hero-name { font-size: clamp(82px, 28vw, 150px); }
  .hero-role { margin-top: 38px; font-size: 24px; }
  .hero-foot > span { display: none; }
  .hero-foot { justify-content: center; }
  .statement { padding-block: 110px; }
  .statement-note { margin-top: 42px; font-size: 17px; }
  .leadership { padding-top: 110px; }
  .metric-stage, .partner-layout, .abilities-heading { grid-template-columns: 1fr; gap: 45px; }
  .metric-stage { padding-block: 90px; }
  .metric strong { font-size: 44vw; letter-spacing: -5px; }
  .metric-description > p { font-size: 23px; }
  .mini-metrics span { align-items: flex-end; gap: 15px; }
  .team-visual { height: 110vw; }
  .team-visual figcaption { right: 24px; bottom: 35px; }
  .partner, .abilities { padding-block: 110px; }
  .marquee { margin-top: 90px; }
  .abilities-heading { margin-bottom: 70px; }
  .ability { grid-template-columns: 42px 1fr; gap: 12px; }
  .ability p { grid-column: 2; }
  .ability:hover { padding-inline: 0; }
  .education-card { border-radius: 26px; }
  footer { padding-block: 28px; gap: 18px; flex-wrap: wrap; }
}

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