/* ============================================================
   AIGU Code Edu — Orientation Day landing (standalone)
   Deep-navy "infrastructure" theme, alternating dark / light bands.
   ============================================================ */

:root {
  --bg: #070b14;
  --bg-2: #0b111d;
  --surface: #0e1524;
  --surface-2: #121b2e;
  --card: #0e1524;
  --card-2: #0b1220;
  --text: #e8eefb;
  --muted: #a6b3c8;
  --faint: #8190a8;
  --border: rgba(148, 163, 184, .14);
  --border-strong: rgba(148, 163, 184, .28);
  --accent: #6f9bff;
  --accent-dim: #4f7cff;
  --accent-2: #ff9a5c;
  --accent-3: #a08bff;
  --x-blue-btn: #2f5fe6;
  --x-violet-btn: #5b3fe0;
  --font: 'Be Vietnam Pro', system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --display: 'Bricolage Grotesque', 'Be Vietnam Pro', system-ui, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --maxw: 1160px;
  --nav-h: 70px;

  --x-card-bg: linear-gradient(180deg, rgba(255, 255, 255, .055), rgba(255, 255, 255, .02));
  --x-card-bd: rgba(148, 163, 184, .16);
  --x-card-sh: none;
  --x-hover-sh: 0 24px 50px -26px rgba(79, 124, 255, .5);
  --x-chip-bg: rgba(111, 155, 255, .14);
  --x-chip-bd: rgba(111, 155, 255, .4);
  --x-chip-fg: #9fbcff;
  --x-row-hover: rgba(255, 255, 255, .03);
  --x-code-bg: #0a1020;
  --x-heading: #ffffff;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 92px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
::selection { background: rgba(111, 155, 255, .35); color: #fff; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
strong, b { color: #fff; font-weight: 650; }
h1, h2, h3 { font-family: var(--display); color: var(--text); text-wrap: balance; margin: 0 0 .5em; }
p, li { text-wrap: pretty; }
:focus-visible { outline: 3px solid rgba(111, 155, 255, .7); outline-offset: 3px; border-radius: 8px; }
.muted { color: var(--muted); }
.container { width: min(100% - 40px, var(--maxw)); margin: 0 auto; }

/* ---------- eyebrow ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: .7em;
  font-family: var(--font); font-weight: 600; font-size: .78rem;
  letter-spacing: .1em; color: var(--accent);
}
.eyebrow::before { content: ""; width: 22px; height: 2px; background: var(--accent-2); border-radius: 2px; }

/* ---------- light band remap ---------- */
.x-light {
  --text: #0f172a; --muted: #475569; --faint: #5b6b82;
  --border: #e2e8f0; --border-strong: #cbd5e1;
  --accent: #2563eb; --accent-2: #c2410c; --accent-3: #6d28d9;
  --x-card-bg: #ffffff;
  --x-card-bd: #e2e8f0;
  --x-card-sh: 0 1px 2px rgba(15, 23, 42, .04), 0 24px 48px -30px rgba(15, 23, 42, .25);
  --x-hover-sh: 0 2px 4px rgba(15, 23, 42, .05), 0 30px 60px -28px rgba(37, 99, 235, .4);
  --x-chip-bg: #eaf1ff; --x-chip-bd: #bcd0fb; --x-chip-fg: #1d4ed8;
  --x-row-hover: #f8fafc;
  --x-code-bg: #f1f5f9;
  --x-heading: #0f172a;
  background: #f4f6fb;
  color: var(--text);
}
.x-light strong, .x-light b { color: #0f172a; }
.x-light a { color: var(--accent); }
.x-light .muted { color: var(--muted); }
.x-light a.btn-primary, .x-light a.btn-primary:hover { color: #fff; text-decoration: none; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5em;
  min-height: 46px; padding: .7em 1.5em;
  font-family: var(--font); font-weight: 600; font-size: .95rem;
  border-radius: 999px; position: relative; overflow: hidden;
  transition: transform .18s ease, box-shadow .25s ease, background .2s ease, border-color .2s ease;
  cursor: pointer;
}
.btn .arw { transition: transform .2s ease; }
.btn:hover .arw { transform: translateX(4px); }
.btn-primary {
  background: linear-gradient(120deg, var(--x-blue-btn), var(--x-violet-btn));
  color: #fff; border: 0;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, .12) inset, 0 14px 34px -10px rgba(79, 124, 255, .65);
}
.btn-primary::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(105deg, transparent 35%, rgba(255, 255, 255, .35) 50%, transparent 65%);
  transform: translateX(-120%); transition: transform .7s ease; pointer-events: none;
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 0 0 1px rgba(255, 255, 255, .2) inset, 0 18px 44px -10px rgba(111, 100, 255, .8); color: #fff; text-decoration: none; }
.btn-primary:hover::after { transform: translateX(120%); }
.btn-ghost { background: rgba(255, 255, 255, .04); border: 1px solid var(--border-strong); color: var(--text); backdrop-filter: blur(6px); }
.btn-ghost:hover { background: rgba(255, 255, 255, .09); border-color: rgba(255, 255, 255, .4); text-decoration: none; }

/* ---------- nav ---------- */
.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 50; height: var(--nav-h); border-bottom: 1px solid transparent; transition: background .25s ease, border-color .25s ease; }
.nav.scrolled { background: rgba(7, 11, 20, .82); backdrop-filter: blur(14px); border-bottom-color: var(--border); }
.nav-inner { height: var(--nav-h); display: flex; align-items: center; justify-content: space-between; gap: 24px; width: min(100% - 40px, 1240px); margin: 0 auto; }
.brand { display: flex; align-items: center; gap: 14px; color: #fff; }
.brand:hover { text-decoration: none; }
.brand-logo { height: 30px; width: auto; display: block; }
.brand-sep { width: 1px; height: 26px; background: var(--border-strong); }
.brand-text { display: flex; flex-direction: column; line-height: 1.2; font-family: var(--display); font-weight: 700; font-size: .95rem; letter-spacing: -.01em; }
.brand-text small { font-family: var(--mono); font-weight: 400; font-size: .68rem; color: var(--faint); letter-spacing: .02em; }
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links > a { padding: .55em 1em; border-radius: 10px; font-size: .9rem; font-weight: 500; color: var(--muted); transition: color .15s, background .15s; }
.nav-links > a:hover { color: #fff; background: rgba(255, 255, 255, .06); text-decoration: none; }
.nav-actions { display: flex; align-items: center; gap: 14px; }
.nav-cta { min-height: 40px; font-size: .85rem; padding: .5em 1.15em; }
.nav-toggle { display: none; }
@media (max-width: 900px) {
  .nav-links { display: none; position: fixed; top: var(--nav-h); left: 0; right: 0; flex-direction: column; align-items: stretch; background: rgba(7, 11, 20, .97); backdrop-filter: blur(16px); border-bottom: 1px solid var(--border); padding: 16px 20px 22px; gap: 2px; }
  .nav-links.open { display: flex; }
  .nav-links > a { padding: .8em 1em; font-size: 1rem; }
  .brand-text small { display: none; }
  .nav-toggle {
    display: inline-flex; flex-direction: column; justify-content: center; gap: 5px;
    width: 42px; height: 42px; align-items: center; border-radius: 10px;
    background: rgba(255, 255, 255, .05); border: 1px solid var(--border-strong); cursor: pointer;
  }
  .nav-toggle .bars { display: flex; flex-direction: column; gap: 4px; }
  .nav-toggle .bars i { width: 18px; height: 2px; background: #fff; border-radius: 2px; }
}

/* ---------- hero ---------- */
.x-hero { position: relative; padding: calc(var(--nav-h) + clamp(40px, 6vw, 92px)) 0 clamp(44px, 6vw, 80px); overflow: hidden; isolation: isolate; }
.x-mesh { position: absolute; inset: 0; z-index: -2; }
.x-blob { position: absolute; border-radius: 50%; filter: blur(70px); opacity: .55; animation: x-float 16s ease-in-out infinite; }
.x-blob.b1 { width: 560px; height: 560px; left: -140px; top: -160px; background: #2f5fe6; animation-delay: -2s; }
.x-blob.b2 { width: 460px; height: 460px; right: -120px; top: -60px; background: #7a4df0; opacity: .5; animation-delay: -7s; }
.x-blob.b3 { width: 380px; height: 380px; left: 38%; bottom: -200px; background: #e8743b; opacity: .28; animation-delay: -11s; }
@keyframes x-float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(30px, -24px) scale(1.06); }
}
.x-gridbg {
  position: absolute; inset: 0; z-index: -1;
  background-image: linear-gradient(rgba(148, 163, 184, .06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, .06) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse 90% 80% at 50% 0%, #000 0%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 90% 80% at 50% 0%, #000 0%, transparent 75%);
}
.x-hero-grid { display: grid; grid-template-columns: 1fr; align-items: center; }
.x-hero-copy { text-align: center; width: 100%; max-width: 880px; justify-self: center; }
.x-hero-copy .x-sub { margin-left: auto; margin-right: auto; }
.x-hero-copy .x-cta { justify-content: center; }
.x-hero-copy .x-trust { justify-content: center; }
.x-badge {
  display: inline-flex; align-items: center; gap: .55em; padding: .42em 1em; border-radius: 999px;
  font-size: .82rem; font-weight: 500; color: #cfe0ff;
  background: rgba(111, 155, 255, .1); border: 1px solid rgba(111, 155, 255, .32); backdrop-filter: blur(6px);
}
.x-badge .dot { width: 7px; height: 7px; border-radius: 50%; background: #ff9a5c; box-shadow: 0 0 0 4px rgba(255, 154, 92, .2); }
.x-hero h1 { font-size: clamp(2.6rem, 6.2vw, 4.7rem); font-weight: 800; letter-spacing: -.035em; line-height: 1.03; margin: 22px 0 18px; color: #fff; }
.x-grad { background: linear-gradient(100deg, #7fa6ff 0%, #b49bff 55%, #ff9a5c 110%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.x-sub { font-size: 1.13rem; color: var(--muted); max-width: 52ch; margin: 0; }
.x-cta { display: flex; flex-wrap: wrap; gap: 14px; margin: 28px 0 0; }
.x-trust { list-style: none; padding: 0; margin: 26px 0 0; display: flex; flex-wrap: wrap; gap: 8px 10px; }
.x-trust li { font-size: .82rem; font-weight: 500; color: var(--muted); padding: .35em .9em; border: 1px solid var(--border); border-radius: 999px; background: rgba(255, 255, 255, .03); white-space: nowrap; }
.x-trust b { color: #fff; font-weight: 700; }


/* ---------- sections ---------- */
.x-sec { padding: clamp(64px, 9vw, 112px) 0; position: relative; }
.x-head { max-width: 760px; margin-bottom: clamp(30px, 4.5vw, 52px); }
.x-head h2 { font-size: clamp(1.8rem, 3.6vw, 2.7rem); font-weight: 700; letter-spacing: -.025em; line-height: 1.18; margin: 14px 0 0; }
.x-head p { color: var(--muted); font-size: 1.06rem; max-width: 62ch; margin: 12px 0 0; }
.x-split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 5vw, 56px); align-items: start; }

/* ---------- gap lead box ---------- */
.x-leadbox { background: var(--x-card-bg); border: 1px solid var(--x-card-bd); border-radius: 22px; padding: clamp(22px, 4vw, 36px); box-shadow: var(--x-card-sh); }
.x-lead { font-size: 1.2rem; color: #334155; max-width: 58ch; margin: 0 0 4px; }
.x-note { margin-top: 18px; color: var(--faint); font-size: .98rem; margin-bottom: 0; }

/* ---------- agenda ---------- */
.o-agg-l { position: sticky; top: 96px; align-self: start; }
.o-agg-note { color: var(--muted); margin-top: 14px; font-size: .95rem; margin-bottom: 0; }
.o-agenda { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.o-agenda li {
  display: flex; gap: 16px; align-items: flex-start;
  background: var(--x-card-bg); border: 1px solid var(--x-card-bd);
  border-radius: 16px; padding: 16px 18px;
  transition: border-color .18s ease, transform .18s ease, box-shadow .18s ease;
}
.o-agenda li:hover { border-color: rgba(111, 155, 255, .45); transform: translateY(-2px); box-shadow: var(--x-hover-sh); }
.o-agenda b { font-family: var(--display); font-size: .98rem; letter-spacing: -.01em; color: var(--x-heading); display: block; }
.o-agenda p { margin: 3px 0 0; font-size: .88rem; color: var(--muted); }
.o-ag-num {
  flex: 0 0 auto; width: 36px; height: 36px; border-radius: 11px;
  display: grid; place-items: center;
  font-family: var(--display); font-weight: 800; font-size: .95rem;
  background: var(--x-chip-bg); border: 1px solid var(--x-chip-bd); color: var(--x-chip-fg);
}

/* ---------- topics (roundtable content) ---------- */
.o-topics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.o-topic {
  background: var(--x-card-bg); border: 1px solid var(--x-card-bd); border-radius: 20px;
  padding: 26px 24px 26px; box-shadow: var(--x-card-sh);
  display: flex; flex-direction: column; gap: 18px;
  transition: border-color .18s ease, transform .18s ease, box-shadow .18s ease;
}
.o-topic:hover { border-color: rgba(111, 155, 255, .45); transform: translateY(-3px); box-shadow: var(--x-hover-sh); }
.o-topic-ico {
  width: 54px; height: 54px; border-radius: 16px; display: grid; place-items: center;
  background: var(--x-chip-bg); border: 1px solid var(--x-chip-bd); color: var(--x-chip-fg);
}
.o-topic-num { font-family: var(--mono); font-size: .78rem; font-weight: 700; color: var(--x-chip-fg); letter-spacing: .1em; }
.o-topic h3 { font-size: 1.2rem; margin: 4px 0 8px; color: var(--x-heading); letter-spacing: -.015em; }
.o-topic p { margin: 0; color: var(--muted); font-size: .95rem; line-height: 1.65; }

/* ---------- delegates ---------- */
.o-deg-top { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-bottom: 32px; }
.o-deg-card {
  background: var(--x-card-bg); border: 1px solid var(--x-card-bd); border-radius: 20px;
  padding: 24px 26px; box-shadow: var(--x-card-sh);
}
.o-deg-tag {
  display: inline-block; font-size: .72rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
  color: var(--x-chip-fg); background: var(--x-chip-bg); border: 1px solid var(--x-chip-bd);
  padding: 4px 12px; border-radius: 999px; margin-bottom: 14px;
}
.o-deg-card b { font-family: var(--display); font-size: 1.35rem; letter-spacing: -.01em; color: var(--x-heading); display: block; margin-bottom: 6px; }
.o-deg-card p { margin: 0; color: var(--muted); font-size: .95rem; line-height: 1.6; }
.o-partners-cap { font-size: .78rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--faint); margin: 0 0 16px; }
.o-partners { display: grid; grid-template-columns: repeat(auto-fit, minmax(208px, 1fr)); gap: 16px; }
.o-partner {
  background: var(--x-card-bg); border: 1px solid var(--x-card-bd); border-radius: 18px;
  padding: 20px 20px 19px; box-shadow: var(--x-card-sh);
  display: flex; flex-direction: column; gap: 9px;
  transition: border-color .18s ease, transform .18s ease, box-shadow .18s ease;
}
.o-partner:hover { border-color: rgba(37, 99, 235, .45); transform: translateY(-3px); box-shadow: var(--x-hover-sh); }
.o-partner-logo {
  display: flex; align-items: center; height: 46px; margin-bottom: 3px;
}
.o-partner-logo img { max-height: 40px; max-width: 100%; width: auto; height: auto; display: block; }
.o-partner b { font-size: 1.02rem; color: var(--x-heading); letter-spacing: -.01em; }
.o-partner p { margin: 0; font-size: .86rem; color: var(--muted); line-height: 1.55; }

/* ---------- program: angles + why ---------- */
.o-angles { margin-top: 26px; background: var(--x-card-bg); border: 1px solid var(--x-card-bd); border-radius: 18px; padding: 20px 22px; }
.o-angles-cap { font-size: .76rem; font-weight: 700; letter-spacing: .07em; text-transform: uppercase; color: var(--faint); margin: 0 0 12px; }
.o-angles-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 11px; }
.o-angles-list li { position: relative; padding-left: 28px; color: var(--text); font-size: .96rem; font-weight: 560; }
.o-angles-list li::before {
  content: ""; position: absolute; left: 0; top: .42em; width: 15px; height: 15px; border-radius: 50%;
  background: var(--x-chip-bg); border: 1px solid var(--x-chip-bd); box-shadow: inset 0 0 0 3px var(--bg);
}
.o-angles-note { margin: 15px 0 0; font-size: .9rem; color: var(--muted); }
.o-angles-note b { color: var(--x-heading); }
.o-why { margin-top: 18px; border-left: 3px solid var(--accent-2); padding: 4px 0 4px 18px; }
.o-why b { display: block; font-family: var(--display); font-size: 1rem; color: var(--x-heading); margin-bottom: 6px; }
.o-why p { margin: 0; color: var(--muted); font-size: .93rem; line-height: 1.65; }

/* ---------- program timeline ---------- */
.o-timeline { list-style: none; margin: 0; padding: 0; }
.o-timeline li { display: grid; grid-template-columns: 110px 1fr; gap: 18px; align-items: start; padding-bottom: 14px; }
.o-timeline li:last-child { padding-bottom: 0; }
.o-time {
  font-family: var(--mono); font-size: .78rem; font-weight: 700; color: var(--x-chip-fg);
  background: var(--x-chip-bg); border: 1px solid var(--x-chip-bd);
  padding: 10px 12px; text-align: center; border-radius: 10px; letter-spacing: .02em;
}
.o-timeline li > div {
  background: var(--x-card-bg); border: 1px solid var(--x-card-bd); border-radius: 14px;
  padding: 14px 16px; box-shadow: var(--x-card-sh);
  transition: border-color .18s ease, transform .18s ease;
}
.o-timeline li > div:hover { border-color: rgba(111, 155, 255, .45); transform: translateX(4px); }
.o-timeline b { font-family: var(--display); font-size: 1rem; color: var(--x-heading); display: block; letter-spacing: -.01em; margin-bottom: 3px; }
.o-timeline p { margin: 0; font-size: .88rem; line-height: 1.6; }
.o-timeline .o-break > div { background: transparent; border-style: dashed; box-shadow: none; }
.o-timeline .o-break > div:hover { border-color: var(--border-strong); transform: none; }
.o-timeline .o-break b { color: var(--muted); }
.o-timeline .o-panel > div {
  border-color: var(--x-chip-bd);
  background: linear-gradient(180deg, rgba(111, 155, 255, .1), rgba(111, 155, 255, .03));
}
.o-timeline .o-panel .o-time { background: var(--x-chip-bg); }

/* ---------- calendar ---------- */
.o-det-split { align-items: stretch; }
.o-cal, .o-event { min-width: 0; }
.o-cal {
  background: #fff; border: 1px solid #e2e8f0; border-radius: 22px;
  padding: 22px 22px 18px; box-shadow: 0 24px 48px -30px rgba(15, 23, 42, .35);
}
.o-cal-head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; margin-bottom: 12px; flex-wrap: wrap; }
.o-cal-title { font-family: var(--display); font-weight: 800; font-size: 1.12rem; letter-spacing: -.02em; color: #0f172a; }
.o-cal-title span { color: #94a3b8; font-weight: 600; }
.o-cal-sub {
  font-size: .72rem; font-weight: 700; letter-spacing: .04em;
  color: #2563eb; background: #eaf1ff; border: 1px solid #d5e2fb;
  padding: 3px 10px; border-radius: 999px;
}
.o-cal-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 5px; }
.o-cal-dow { font-size: .66rem; font-weight: 700; color: #94a3b8; text-align: center; padding: 2px 0 6px; letter-spacing: .08em; }
.o-cal-day {
  aspect-ratio: 1 / 1; display: grid; place-items: center;
  border-radius: 10px; font-size: .84rem; color: #0f172a;
  background: #f8fafc; border: 1px solid transparent;
}
.o-cal-day.blank { background: transparent; }
.o-cal-day.ev {
  background: linear-gradient(135deg, #2563eb, #7c3aed); color: #fff; font-weight: 800;
  border: 0; position: relative; box-shadow: 0 10px 22px -10px rgba(37, 99, 235, .65);
}
.o-cal-day.ev::after { content: ""; position: absolute; bottom: 4px; width: 4px; height: 4px; border-radius: 50%; background: #fff; }
.o-cal-cap { margin: 12px 2px 0; font-size: .8rem; color: #475569; display: flex; align-items: center; gap: 8px; }
.o-cal-cap i { width: 10px; height: 10px; border-radius: 3px; flex: 0 0 auto; background: linear-gradient(135deg, #2563eb, #7c3aed); }

/* ---------- event card ---------- */
.o-event {
  background: #fff; border: 1px solid #e2e8f0; border-radius: 22px;
  padding: 8px 24px; display: flex; flex-direction: column; justify-content: center;
  box-shadow: 0 24px 48px -30px rgba(15, 23, 42, .35);
}
.o-ev-row { display: flex; gap: 14px; padding: 15px 0; border-bottom: 1px dashed #e2e8f0; align-items: flex-start; }
.o-ev-row-last { border-bottom: 0; }
.o-ev-ico { flex: 0 0 auto; width: 42px; height: 42px; border-radius: 13px; display: grid; place-items: center; background: #eaf1ff; color: #2563eb; border: 1px solid #d5e2fb; }
.o-ev-ico-o { background: #fff1e6; color: #c2410c; border-color: #f7d9c0; }
.o-ev-ico-v { background: #f2ecff; color: #6d28d9; border-color: #e2d6fb; }
.o-ev-ico-p { background: #e6f7ef; color: #047857; border-color: #c4ecd9; }
.o-ev-row b { font-size: .8rem; text-transform: uppercase; letter-spacing: .07em; color: #475569; font-weight: 700; display: block; }
.o-ev-row p { margin: 2px 0 0; font-size: .95rem; color: #0f172a; }
.o-ev-cta { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; padding: 18px 0 16px; }
.o-gcal {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: .85rem; font-weight: 600; color: #475569;
  padding: 9px 14px; border-radius: 10px; border: 1px solid #e2e8f0;
  transition: color .15s ease, border-color .15s ease, background .15s ease;
}
.o-gcal:hover { color: #2563eb; border-color: #2563eb; background: #f4f8ff; text-decoration: none; }

/* ---------- ask (QR) section ---------- */
.ask-split { align-items: center; }
.ask-card {
  background: var(--x-card-bg); border: 1px solid var(--x-card-bd); border-radius: 24px;
  padding: clamp(24px, 4vw, 40px); box-shadow: var(--x-card-sh); text-align: center;
  position: relative; overflow: hidden;
}
.ask-card::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(420px circle at 50% -20%, rgba(111, 155, 255, .22), transparent 70%);
  pointer-events: none;
}
.ask-card > * { position: relative; }
.ask-card > .eyebrow { display: flex; justify-content: center; margin-bottom: 2px; }
.ask-qr {
  display: block; width: fit-content; margin: 6px auto 18px;
  padding: 14px; background: #fff; border-radius: 18px;
  border: 1px solid rgba(148, 163, 184, .25); box-shadow: 0 20px 44px -24px rgba(0, 0, 0, .6);
}
.ask-qr img { display: block; width: 190px; height: 190px; }
.ask-url { font-family: var(--mono); font-size: .8rem; color: var(--muted); word-break: break-all; }
.ask-list { list-style: none; margin: 22px 0 0; padding: 0; display: grid; gap: 12px; text-align: left; }
.ask-list li { display: flex; gap: 12px; align-items: flex-start; color: var(--muted); font-size: .95rem; }
.ask-list .n {
  flex: 0 0 auto; width: 26px; height: 26px; border-radius: 8px; display: grid; place-items: center;
  background: var(--x-chip-bg); border: 1px solid var(--x-chip-bd); color: var(--x-chip-fg);
  font-family: var(--mono); font-size: .75rem; font-weight: 700; margin-top: 2px;
}
.ask-list b { color: var(--text); font-weight: 650; }
.ask-link { display: inline-flex; align-items: center; gap: 8px; margin-top: 20px; font-weight: 600; font-size: .95rem; }

/* ---------- registration ---------- */
.x-apply { padding: clamp(48px, 7vw, 96px) 0; }
.inq-layout { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: clamp(24px, 4vw, 52px); align-items: start; }
.inq-side { position: sticky; top: 96px; }
.inq-side h1 { font-size: clamp(1.8rem, 4vw, 2.6rem) !important; letter-spacing: -.03em; color: #0f172a; margin: 12px 0 14px; }
.inq-side > p { color: #475569; margin: 0 0 22px; }
.check { list-style: none; margin: 0 0 26px; padding: 0; display: grid; gap: 10px; }
.check li { position: relative; padding-left: 30px; color: #0f172a; font-size: .95rem; }
.check li::before {
  content: "✓"; position: absolute; left: 0; top: 0;
  width: 21px; height: 21px; border-radius: 50%;
  display: grid; place-items: center; font-size: .72rem; font-weight: 800;
  background: #eaf1ff; border: 1px solid #bcd0fb; color: #1d4ed8;
}
.inq-mini-contact { display: grid; gap: 10px; border-top: 1px solid #e2e8f0; padding-top: 20px; }
.inq-mini-contact div { display: flex; gap: 12px; align-items: baseline; font-size: .95rem; }
.inq-mini-contact span { color: #94a3b8; font-size: .8rem; text-transform: uppercase; letter-spacing: .06em; font-weight: 700; min-width: 44px; }
.inq-mini-contact a { color: #1d4ed8; font-weight: 600; }
.inq-mini-contact small.who { color: #64748b; font-size: .84rem; font-weight: 500; white-space: nowrap; }

/* ---------- form ---------- */
.inq-form {
  position: relative; overflow: hidden; padding: clamp(22px, 3vw, 34px);
  background: #fff; border: 1px solid #bcd0fb; border-radius: 26px;
  box-shadow: 0 30px 60px -34px rgba(15, 23, 42, .35);
}
.inq-form::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 6px; background: linear-gradient(90deg, #2754e0, #7b43ea 60%, #ff9a5c); }
.inq-hp { position: absolute; left: -9999px; }
.inq-form-head { margin: 4px 0 8px; }
.inq-form-head h2 { margin: 0 0 6px; font-size: clamp(1.25rem, 2.4vw, 1.6rem); letter-spacing: -.02em; color: #0f172a; }
.inq-form-head p { margin: 0; color: #475569; font-size: .95rem; line-height: 1.55; }
.inq-group { margin-top: 22px; }
.inq-g-h { display: flex; align-items: center; gap: 10px; font-size: .86rem; font-weight: 700; letter-spacing: .05em; color: #1d4ed8; margin-bottom: 14px; }
.inq-step { display: inline-grid; place-items: center; width: 24px; height: 24px; border-radius: 50%; background: linear-gradient(135deg, #2754e0, #7b43ea); color: #fff; font-size: .78rem; font-weight: 700; }
.inq-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 14px; }
.inq-row:has(> .inq-field:only-child) { grid-template-columns: minmax(0, 1fr); }
.inq-field { display: flex; flex-direction: column; gap: 7px; }
.inq-field label { color: #334155; font-weight: 600; font-size: .9rem; }
.req { color: #c2410c; }
.inq-form input, .inq-form select, .inq-form textarea {
  min-height: 46px; font-size: 1rem; font-family: var(--font);
  background: #fff; color: #0f172a; border: 1px solid #cbd5e1; border-radius: 12px;
  padding: .6em .95em; width: 100%;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.inq-form textarea { resize: vertical; min-height: 78px; }
.inq-form input::placeholder, .inq-form textarea::placeholder { color: #64748b; }
.inq-form input:focus, .inq-form select:focus, .inq-form textarea:focus { border-color: #2563eb; box-shadow: 0 0 0 4px rgba(37, 99, 235, .15); outline: none; }
.inq-form select { cursor: pointer; }
.inq-field .err { font-size: .82rem; font-weight: 600; color: #b91c1c; }
.inq-field input.invalid, .inq-field select.invalid, .inq-field textarea.invalid { border-color: #dc2626; box-shadow: 0 0 0 4px rgba(220, 38, 38, .12); }
details.inq-more { margin-top: 14px; border: 1px solid #dbe4f3; border-radius: 16px; background: #f6f9ff; transition: background .2s, border-color .2s; }
details.inq-more[open] { background: #fff; border-color: #bcd0fb; }
details.inq-more > summary { list-style: none; display: flex; align-items: center; gap: 10px; min-height: 52px; padding: 12px 16px; cursor: pointer; font-weight: 600; color: #1e3a8a; border-radius: 16px; }
details.inq-more > summary::-webkit-details-marker { display: none; }
details.inq-more > summary span { flex: 1; }
details.inq-more > summary em { font-style: normal; font-size: .78rem; font-weight: 500; color: #64748b; }
details.inq-more > summary::after { content: ""; width: 9px; height: 9px; border-right: 2px solid #2754e0; border-bottom: 2px solid #2754e0; transform: rotate(45deg) translateY(-2px); transition: transform .2s; }
details.inq-more[open] > summary::after { transform: rotate(-135deg) translateY(-2px); }
.inq-more-body { padding: 4px 16px 8px; }
.inq-more-body .inq-field { margin-bottom: 14px; }
.inq-consent { margin-top: 20px; padding: 14px 16px; border: 1px solid #dbe4f3; border-radius: 14px; background: #f6f9ff; }
.inq-consent-l { display: flex; gap: 12px; align-items: flex-start; cursor: pointer; margin: 0; position: relative; }
.inq-consent-l input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.inq-consent-l .box { flex: 0 0 22px; width: 22px; height: 22px; margin-top: 1px; border-radius: 7px; border: 1.5px solid #94a3b8; background: #fff; display: grid; place-items: center; transition: background .15s, border-color .15s, box-shadow .15s; }
.inq-consent-l .box::after { content: ""; width: 6px; height: 11px; border: solid #fff; border-width: 0 2.4px 2.4px 0; transform: rotate(45deg) scale(0); margin-top: -2px; transition: transform .15s; }
.inq-consent-l input:checked + .box { background: linear-gradient(135deg, #2754e0, #7b43ea); border-color: transparent; }
.inq-consent-l input:checked + .box::after { transform: rotate(45deg) scale(1); }
.inq-consent-l input:focus-visible + .box { box-shadow: 0 0 0 4px rgba(37, 99, 235, .3); }
.inq-consent-l .txt { font-size: .92rem; line-height: 1.55; color: #334155; }
.inq-consent-l .txt a { color: #1d4ed8; font-weight: 600; text-decoration: underline; text-underline-offset: 2px; }
.inq-consent-err { margin: 10px 0 0 34px; font-size: .88rem; font-weight: 600; color: #b91c1c; }
.inq-consent-err[hidden] { display: none; }
.inq-consent:has(.inq-consent-err:not([hidden])) { border-color: #f4a3a3; background: #fff5f5; }
.inq-submit-row { display: flex; flex-direction: column; align-items: stretch; gap: 14px; margin-top: 22px; }
.inq-send {
  position: relative; overflow: hidden; isolation: isolate;
  display: flex; align-items: center; justify-content: center; gap: 14px; width: 100%;
  min-height: 58px; padding: .7em 1.4em .7em 2em; border: 0; border-radius: 16px;
  font-family: var(--font); font-size: 1.08rem; font-weight: 700; letter-spacing: .01em; color: #fff;
  background: linear-gradient(120deg, #2f5fe6, #5b3fe0 55%, #7b43ea); cursor: pointer;
  box-shadow: 0 18px 36px -14px rgba(39, 84, 224, .7);
  transition: transform .2s ease, box-shadow .25s ease;
}
.inq-send::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(110deg, transparent 30%, rgba(255, 255, 255, .28) 50%, transparent 70%); transform: translateX(-120%); transition: transform .8s ease; }
.inq-send .send-ico { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: rgba(255, 255, 255, .2); transition: transform .25s ease, background .25s; }
.inq-send:hover { transform: translateY(-2px); box-shadow: 0 1px 0 rgba(255, 255, 255, .35) inset, 0 26px 46px -16px rgba(55, 70, 230, .9); }
.inq-send:hover::before { transform: translateX(120%); }
.inq-send:hover .send-ico { transform: translateX(4px); background: rgba(255, 255, 255, .3); }
.inq-send:active { transform: translateY(0); }
.inq-hint { display: flex; gap: 8px; align-items: flex-start; margin: 0; font-size: .86rem; line-height: 1.5; color: #475569; }
.inq-hint svg { flex: 0 0 auto; margin-top: 2px; color: #2754e0; }

/* ---------- success card ---------- */
.inq-success { background: #fff; border: 1px solid #e2e8f0; border-radius: 26px; padding: 48px 40px; text-align: center; box-shadow: 0 30px 60px -34px rgba(15, 23, 42, .35); }
.inq-success-ico { width: 64px; height: 64px; border-radius: 50%; margin: 0 auto 20px; display: grid; place-items: center; background: #e6f7ef; border: 1px solid #c4ecd9; color: #047857; }
.inq-success h2 { color: #0f172a; font-size: clamp(1.5rem, 3vw, 2rem); margin-bottom: 10px; }
.inq-success p { color: #475569; margin: 0 auto; max-width: 46ch; }
.inq-success .actions { margin-top: 26px; display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ---------- footer ---------- */
.footer { border-top: 1px solid var(--border); background: var(--bg-2); padding: 36px 0; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; }
.footer p { margin: 0; color: var(--faint); font-size: .85rem; }
.footer-links { display: flex; gap: 18px; flex-wrap: wrap; }
.footer-links a { color: var(--muted); font-size: .85rem; }
.footer-links a:hover { color: #fff; }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .x-hero-grid, .x-split, .ask-split, .inq-layout { grid-template-columns: 1fr; }
  .o-topics { grid-template-columns: 1fr; }
  .o-deg-top { grid-template-columns: 1fr; }
  .o-timeline li { grid-template-columns: 100px 1fr; gap: 12px; }
  .o-time { font-size: .66rem; padding: 7px 6px; letter-spacing: 0; }
  .o-partners { grid-template-columns: 1fr 1fr; }
  .o-agg-l, .inq-side { position: static; }
  .o-cal, .o-event { box-shadow: none; }
  .o-event { padding: 4px 18px; }
  .o-cal-day { font-size: .78rem; border-radius: 8px; }
  .x-hero h1 { margin-top: 16px; }
}
@media (max-width: 560px) {
  .inq-row { grid-template-columns: 1fr; }
  .inq-consent { padding: 12px; }
  .inq-consent-err { margin-left: 0; }
  .inq-send { padding: .8em 1em; }
  .ask-qr img { width: 160px; height: 160px; }
}
@media (prefers-reduced-motion: reduce) {
  .x-blob, .btn-primary::after, .inq-send::before { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}
