:root {
  color-scheme: light;
  --black: #000;
  --ink: #1d1d1f;
  --muted: rgba(29, 29, 31, 0.66);
  --muted-strong: rgba(29, 29, 31, 0.82);
  --soft: #f5f5f7;
  --surface: #fff;
  --blue: #0071e3;
  --blue-dark: #0066cc;
  --blue-bright: #2997ff;
  --line: rgba(0, 0, 0, 0.08);
  --line-dark: rgba(255, 255, 255, 0.11);
  --shadow: rgba(0, 0, 0, 0.16) 0 20px 70px;
  --max: 1120px;
  --radius: 28px;
  --ease: cubic-bezier(.2,.7,.2,1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--black); }
body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Noto Sans KR", "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  background: var(--soft);
  color: var(--ink);
  letter-spacing: -0.03em;
  word-break: keep-all;
  overflow-wrap: break-word;
}
a { color: inherit; text-decoration: none; }
a:focus-visible, button:focus-visible { outline: 3px solid var(--blue); outline-offset: 4px; }
::selection { background: rgba(0, 113, 227, .18); }

.ambient { position: fixed; inset: 0; pointer-events: none; overflow: hidden; z-index: 0; }
.ambient span { position: absolute; width: 44vw; aspect-ratio: 1; border-radius: 50%; filter: blur(70px); opacity: .2; transform: translate3d(0,0,0); }
.ambient span:nth-child(1) { background: #0071e3; top: 4%; right: -18%; }
.ambient span:nth-child(2) { background: #7aa7ff; bottom: 18%; left: -22%; opacity: .12; }
.ambient span:nth-child(3) { background: #fff; top: 48%; right: 18%; opacity: .08; }

.nav {
  position: sticky; top: 0; z-index: 50; height: 54px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(0,0,0,.72); color: rgba(255,255,255,.9);
  backdrop-filter: saturate(180%) blur(22px); -webkit-backdrop-filter: saturate(180%) blur(22px);
  font-size: 13px; letter-spacing: -0.01em;
}
.nav-inner { width: min(100% - 32px, var(--max)); display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { font-weight: 780; }
.nav-links { display: flex; align-items: center; gap: 20px; color: rgba(255,255,255,.72); }
.nav-links a { transition: color .18s ease, transform .18s ease; }
.nav-links a:hover, .nav-links a.active { color: #fff; transform: translateY(-1px); }
.scroll-progress { position: absolute; left: 0; bottom: 0; height: 2px; width: var(--scroll, 0%); background: linear-gradient(90deg, var(--blue), var(--blue-bright)); box-shadow: 0 0 18px rgba(41,151,255,.55); }
.menu-button { display: none; border: 0; width: 44px; height: 44px; border-radius: 999px; background: rgba(255,255,255,.08); padding: 0; align-items: center; justify-content: center; flex-direction: column; gap: 5px; }
.menu-button span { width: 17px; height: 1px; background: #fff; transition: transform .25s var(--ease), opacity .25s ease; }
.nav.is-open .menu-button span:first-child { transform: translateY(3px) rotate(45deg); }
.nav.is-open .menu-button span:last-child { transform: translateY(-3px) rotate(-45deg); }

.hero { min-height: calc(100svh - 54px); background: #000; color: #fff; display: grid; align-items: center; padding: 74px 0 58px; overflow: hidden; position: relative; isolation: isolate; }
#hero-canvas { position: absolute; inset: 0; width: 100%; height: 100%; opacity: .7; z-index: -2; }
.hero::before { content: ""; position: absolute; inset: -16% -10% auto auto; width: min(860px, 76vw); aspect-ratio: 1; border-radius: 999px; background: radial-gradient(circle, rgba(0,113,227,.28), transparent 67%); filter: blur(22px); z-index: -1; }
.hero-grid { width: min(100% - 40px, 1320px); margin: 0 auto; display: grid; grid-template-columns: .82fr 1.18fr; gap: clamp(34px, 5vw, 72px); align-items: center; }
.eyebrow { margin: 0 0 18px; color: var(--blue-bright); font-size: 15px; font-weight: 760; letter-spacing: .02em; text-transform: uppercase; }
h1 { margin: 0; max-width: 780px; font-size: clamp(54px, 7.8vw, 102px); line-height: .96; letter-spacing: -0.078em; font-weight: 790; text-wrap: balance; }
.hero-copy { margin: 28px 0 0; max-width: 700px; color: rgba(255,255,255,.78); font-size: clamp(20px, 2.15vw, 29px); line-height: 1.32; font-weight: 520; letter-spacing: -0.047em; }
.hero-proof { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; color: rgba(255,255,255,.7); font-size: 14px; letter-spacing: -0.01em; }
.hero-proof span { border: 1px solid rgba(255,255,255,.12); border-radius: 999px; padding: 8px 11px; background: rgba(255,255,255,.055); backdrop-filter: blur(16px); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.btn { display: inline-flex; min-height: 46px; align-items: center; justify-content: center; border-radius: 999px; padding: 12px 23px; font-size: 17px; font-weight: 650; letter-spacing: -0.02em; transition: transform .24s var(--ease), background-color .24s ease, border-color .24s ease, box-shadow .24s ease; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--blue); color: #fff; box-shadow: rgba(0,113,227,.34) 0 10px 30px; }
.btn-primary:hover { background: #147ce5; }
.btn-ghost { color: var(--blue-bright); border: 1px solid rgba(41,151,255,.72); }
.btn-ghost:hover { border-color: var(--blue-bright); background: rgba(41,151,255,.1); }

.portrait-stage { position: relative; justify-self: center; width: min(100%, 472px); transform-style: preserve-3d; }
.portrait { position: relative; width: 100%; display: block; border-radius: 34px; box-shadow: 0 34px 100px rgba(0,0,0,.58); background: #111; transform: translateZ(30px); }
.portrait-halo { position: absolute; inset: 12% -14% auto auto; width: 76%; aspect-ratio: 1; border-radius: 999px; background: radial-gradient(circle, rgba(0,113,227,.42), transparent 64%); filter: blur(10px); }
.orbital-ring { position: absolute; inset: 8%; border: 1px solid rgba(255,255,255,.16); border-radius: 50%; transform: rotateX(68deg) rotateZ(18deg); z-index: 2; pointer-events: none; }
.ring-two { inset: 20%; transform: rotateX(70deg) rotateZ(-26deg); border-color: rgba(41,151,255,.24); }
.floating-badge { position: absolute; z-index: 4; border: 1px solid rgba(255,255,255,.14); background: rgba(22,22,23,.58); backdrop-filter: blur(24px); color: #fff; border-radius: 999px; padding: 10px 14px; font-size: 13px; box-shadow: 0 18px 50px rgba(0,0,0,.26); }
.badge-top { top: 7%; left: -7%; }
.badge-bottom { bottom: 10%; right: -8%; }
.hero-video-stage { position: relative; justify-self: center; width: min(100%, 760px); transform-style: preserve-3d; }
.hero-video-glow { position: absolute; inset: -10%; border-radius: 44px; background: radial-gradient(circle at 70% 20%, rgba(0,113,227,.42), transparent 52%), radial-gradient(circle at 10% 90%, rgba(255,255,255,.16), transparent 44%); filter: blur(18px); opacity: .9; }
.hero-video { position: relative; display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: cover; border-radius: 34px; background: #050505; border: 1px solid rgba(255,255,255,.18); box-shadow: 0 34px 110px rgba(0,0,0,.62); transform: translateZ(34px); }

.section { padding: 112px 20px; position: relative; }
.section.dark { background: #000; color: #fff; }
.section.white { background: #fff; }
.stage-section { background: linear-gradient(180deg, #f5f5f7 0%, #fff 50%, #f5f5f7 100%); }
.cinematic { overflow: hidden; }
.cinematic::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 50% 0%, rgba(0,113,227,.22), transparent 45%); pointer-events: none; }
.container { width: min(100%, var(--max)); margin: 0 auto; position: relative; z-index: 1; }
.section-heading { margin: 0 auto 22px; max-width: 930px; text-align: center; font-size: clamp(38px, 5.2vw, 72px); line-height: 1.04; letter-spacing: -0.068em; font-weight: 790; text-wrap: balance; }
.section-lead { margin: 0 auto; max-width: 790px; text-align: center; color: var(--muted); font-size: clamp(18px, 2vw, 25px); line-height: 1.5; font-weight: 520; text-wrap: pretty; }
.dark .section-lead { color: rgba(255,255,255,.72); }

.philosophy-card { margin-top: 54px; border-radius: var(--radius); background: rgba(255,255,255,.9); box-shadow: var(--shadow); padding: clamp(34px, 6vw, 72px); display: grid; grid-template-columns: .76fr 1.24fr; gap: 46px; align-items: start; transform-style: preserve-3d; }
.quote-mark { font-size: clamp(78px, 11vw, 140px); line-height: .8; font-weight: 800; letter-spacing: -0.08em; color: var(--blue); }
.quote-text { margin: 0; font-size: clamp(28px, 3.8vw, 50px); line-height: 1.13; font-weight: 780; letter-spacing: -0.066em; text-wrap: balance; }
.quote-sub { margin: 22px 0 0; color: var(--muted); font-size: 18px; line-height: 1.72; }
.principles { margin-top: 22px; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.principle-card, .audience-card, .history-item, .contact-card { border-radius: 22px; border: 1px solid var(--line); background: rgba(255,255,255,.72); padding: 24px; backdrop-filter: blur(16px); }
.principle-card strong { display: block; font-size: 18px; letter-spacing: -0.04em; margin-bottom: 8px; }
.principle-card span, .audience-card p { color: var(--muted); line-height: 1.6; }

.program-grid { margin-top: 58px; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.program-card { min-height: 420px; border-radius: var(--radius); background: rgba(255,255,255,.82); border: 1px solid var(--line); padding: 30px; display: flex; flex-direction: column; justify-content: space-between; backdrop-filter: blur(18px); transform-style: preserve-3d; transition: box-shadow .28s var(--ease), border-color .28s ease; }
.program-card:hover { box-shadow: rgba(0,0,0,.12) 0 22px 58px; border-color: rgba(0,113,227,.2); }
.program-number { color: var(--blue-dark); font-size: 14px; font-weight: 800; letter-spacing: .02em; }
.program-card h3 { margin: 16px 0 14px; font-size: clamp(26px, 2.7vw, 36px); line-height: 1.08; letter-spacing: -0.06em; }
.program-card p { margin: 0; color: var(--muted); font-size: 17px; line-height: 1.64; }
.program-list { margin: 28px 0 0; padding: 0; list-style: none; color: var(--muted-strong); font-size: 15px; line-height: 1.55; }
.program-list li { position: relative; padding-left: 16px; margin-top: 9px; }
.program-list li::before { content: ""; position: absolute; left: 0; top: .68em; width: 5px; height: 5px; border-radius: 999px; background: var(--blue); }

.curriculum { margin-top: 58px; border-radius: 32px; background: #111113; color: #fff; overflow: hidden; border: 1px solid rgba(255,255,255,.08); box-shadow: rgba(0,0,0,.22) 0 24px 80px; }
.curriculum-row { display: grid; grid-template-columns: 220px 1fr; gap: 28px; padding: 31px 34px; border-top: 1px solid rgba(255,255,255,.09); transition: background .22s ease; }
.curriculum-row:first-child { border-top: 0; }
.curriculum-row:hover { background: rgba(255,255,255,.04); }
.curriculum-time { color: var(--blue-bright); font-weight: 780; }
.curriculum-row h3 { margin: 0 0 8px; font-size: 25px; letter-spacing: -0.05em; }
.curriculum-row p { margin: 0; color: rgba(255,255,255,.68); line-height: 1.62; }
.audience-grid { margin-top: 54px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.audience-card h3 { margin: 0 0 12px; font-size: 26px; letter-spacing: -0.055em; }

.topics { margin-top: 58px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.topic-card { min-height: 370px; padding: 36px; border-radius: var(--radius); background: linear-gradient(145deg, #161617, #09090a); border: 1px solid var(--line-dark); display: flex; flex-direction: column; justify-content: space-between; overflow: hidden; position: relative; transform-style: preserve-3d; }
.topic-card::after { content: ""; position: absolute; width: 310px; height: 310px; right: -120px; bottom: -140px; border-radius: 999px; background: radial-gradient(circle, rgba(41,151,255,.32), transparent 68%); }
.topic-kicker { color: var(--blue-bright); font-size: 14px; font-weight: 760; letter-spacing: .02em; text-transform: uppercase; }
.topic-card h3 { margin: 18px 0 0; font-size: clamp(30px, 3.4vw, 46px); line-height: 1.04; letter-spacing: -0.062em; text-wrap: balance; }
.topic-card p { margin: 24px 0 0; max-width: 440px; color: rgba(255,255,255,.72); font-size: 18px; line-height: 1.65; }
.tool-list { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 32px; position: relative; z-index: 1; }
.chip { border-radius: 999px; background: rgba(255,255,255,.1); color: rgba(255,255,255,.84); padding: 8px 12px; font-size: 13px; }

.history-grid { margin-top: 52px; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.history-item { min-height: 112px; display: flex; align-items: flex-end; font-size: 20px; font-weight: 760; line-height: 1.25; letter-spacing: -0.045em; transition: transform .24s var(--ease), box-shadow .24s var(--ease); }
.history-item:hover { transform: translateY(-3px); box-shadow: rgba(0,0,0,.08) 0 12px 34px; }
.contact-panel { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 52px; }
.contact-card { padding: clamp(28px, 4vw, 44px); background: #f5f5f7; }
.contact-label { margin: 0 0 12px; color: var(--muted); font-size: 14px; font-weight: 760; letter-spacing: .02em; text-transform: uppercase; }
.contact-value { margin: 0; font-size: clamp(22px, 2.6vw, 34px); line-height: 1.24; font-weight: 770; letter-spacing: -0.055em; }
.contact-value a { color: var(--blue-dark); }
.contact-wide { grid-column: 1 / -1; }
footer { padding: 34px 20px 44px; background: #fff; color: rgba(29,29,31,.56); font-size: 13px; }
.footer-inner { width: min(100%, var(--max)); margin: 0 auto; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; border-top: 1px solid var(--line); padding-top: 22px; }

.reveal { opacity: 1; transform: none; }
.js .reveal { opacity: 1; transform: none; animation: soft-rise .78s var(--ease) both; animation-delay: var(--delay, 0ms); }
.js .reveal.is-visible { opacity: 1; transform: none; }
@keyframes soft-rise { from { opacity: 0; transform: translateY(24px) scale(.985); } to { opacity: 1; transform: translateY(0) scale(1); } }
.magnetic, .tilt-card { will-change: transform; }

@media (max-width: 980px) {
  .program-grid, .principles { grid-template-columns: 1fr; }
  .program-card { min-height: auto; }
  .curriculum-row { grid-template-columns: 1fr; gap: 10px; }
}
@media (max-width: 900px) {
  .nav-links { position: fixed; inset: 54px 12px auto 12px; display: grid; gap: 0; padding: 12px; border: 1px solid rgba(255,255,255,.12); background: rgba(22,22,23,.88); backdrop-filter: blur(24px); border-radius: 22px; opacity: 0; pointer-events: none; transform: translateY(-10px); transition: opacity .25s ease, transform .25s var(--ease); }
  .nav.is-open .nav-links { opacity: 1; pointer-events: auto; transform: translateY(0); }
  .nav-links a { padding: 14px 12px; }
  .menu-button { display: inline-flex; }
  .hero { padding-top: 54px; }
  .hero-grid, .philosophy-card, .contact-panel { grid-template-columns: 1fr; }
  .portrait-stage, .hero-video-stage { width: min(92vw, 720px); }
  .topics, .history-grid, .audience-grid { grid-template-columns: 1fr; }
  .topic-card { min-height: 310px; }
}
@media (max-width: 560px) {
  .hero-grid { width: min(100% - 28px, 1180px); gap: 36px; }
  h1 { font-size: clamp(48px, 14vw, 64px); }
  .section { padding: 78px 16px; }
  .btn { width: 100%; }
  .philosophy-card, .topic-card, .program-card, .audience-card { padding: 26px; border-radius: 22px; }
  .curriculum-row { padding: 24px; }
  .history-item { min-height: 92px; font-size: 18px; }
  .contact-wide { grid-column: auto; }
  .floating-badge { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
  .js .reveal { opacity: 1; transform: none; }
  #hero-canvas { display: none; }
}

/* Added: Hermes Agent + 60s video sections */
.agent-section {
  background: #000;
  overflow: hidden;
}
.agent-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 16% 20%, rgba(41,151,255,.28), transparent 34%),
    radial-gradient(circle at 88% 70%, rgba(255,255,255,.12), transparent 34%);
  pointer-events: none;
}
.agent-layout {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
}
.agent-copy .section-heading,
.agent-copy .section-lead {
  text-align: left;
  margin-left: 0;
  margin-right: 0;
}
.hermes-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
  padding: 10px 14px 10px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.07);
  color: #fff;
  font-weight: 760;
  backdrop-filter: blur(20px);
}
.hermes-link img {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  box-shadow: 0 10px 30px rgba(0,113,227,.28);
}
.automation-flow {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.flow-card {
  min-height: 178px;
  padding: 24px;
  border-radius: 24px;
  border: 1px solid rgba(255,255,255,.12);
  background: linear-gradient(145deg, rgba(255,255,255,.12), rgba(255,255,255,.045));
  backdrop-filter: blur(24px);
  box-shadow: rgba(0,0,0,.24) 0 22px 70px;
}
.flow-card b {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 999px;
  background: var(--blue);
  color: #fff;
  font-size: 14px;
  margin-bottom: 22px;
}
.flow-card strong {
  display: block;
  color: #fff;
  font-size: 24px;
  letter-spacing: -0.055em;
  margin-bottom: 10px;
}
.flow-card span {
  color: rgba(255,255,255,.68);
  line-height: 1.55;
}
.video-section {
  background: #fff;
}
.video-layout {
  display: grid;
  grid-template-columns: .72fr 1.28fr;
  gap: clamp(30px, 5vw, 64px);
  align-items: center;
}
.video-layout .section-heading,
.video-layout .section-lead {
  text-align: left;
  margin-left: 0;
  margin-right: 0;
}
.video-shell {
  position: relative;
  padding: 12px;
  border-radius: 34px;
  background: linear-gradient(145deg, rgba(0,0,0,.92), rgba(35,35,38,.92));
  box-shadow: rgba(0,0,0,.22) 0 28px 90px;
  border: 1px solid rgba(255,255,255,.12);
}
.video-shell::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  background: radial-gradient(circle at 80% 10%, rgba(0,113,227,.35), transparent 42%);
  pointer-events: none;
}
.demo-video {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 24px;
  background: #000;
  object-fit: cover;
}

@media (max-width: 900px) {
  .agent-layout,
  .video-layout,
  .automation-flow {
    grid-template-columns: 1fr;
  }
  .agent-copy .section-heading,
  .agent-copy .section-lead,
  .video-layout .section-heading,
  .video-layout .section-lead {
    text-align: center;
    margin-left: auto;
    margin-right: auto;
  }
  .hermes-link {
    margin-left: auto;
    margin-right: auto;
  }
}