/* ===== Design tokens ===== */
:root {
  --accent: #1b45d1;
  --ink: #101219;
  --paper: #f4f1ea;
  --heading: #27386C;
  --heading-dark: #162D73;
  --body: #16181f;
  --muted-1: #4a4e59;
  --muted-2: #5a5e69;
  --muted-3: #6b6f7a;
  --muted-4: #7a7e89;
  --muted-5: #8a8e99;
  --border: rgba(20,22,30,.1);
  --border-soft: rgba(20,22,30,.08);
  --border-strong: rgba(20,22,30,.15);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--body);
  background: var(--paper);
  font-family: 'IBM Plex Sans', system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: var(--accent); text-decoration: none; }
input::placeholder { color: var(--muted-5); }
button { font-family: inherit; }
button:disabled { opacity: .4; cursor: not-allowed; }
.wt-semibold { font-weight: 600; }

/* ===== Keyframes ===== */
@keyframes riseIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
@keyframes settleWeight { from { opacity: 0; font-weight: 400; letter-spacing: .02em; } to { opacity: 1; font-weight: 700; letter-spacing: -.02em; } }
@keyframes drawPath { from { stroke-dashoffset: 900; } to { stroke-dashoffset: 0; } }
@keyframes letterIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
@keyframes dotPulse { 0%, 100% { opacity: 1; text-shadow: 0 0 0 rgba(22,45,115,0); } 50% { opacity: .55; text-shadow: 0 0 10px rgba(22,45,115,.5); } }
@keyframes collapseTail { to { max-width: 0; } }

/* ===== Wordmark ===== */
.wordmark { font: 800 30px 'Merriweather', serif; letter-spacing: -.015em; color: var(--heading-dark); }
.wm-ch { display: inline-block; vertical-align: top; line-height: 1; opacity: 0; animation: letterIn .5s ease forwards; }
.wm-tail { display: inline-block; vertical-align: top; line-height: 1; overflow: hidden; white-space: nowrap; max-width: 3.2ch; animation: collapseTail .5s ease 6.15s forwards; transition: max-width .4s ease; }
.wm-scrolled .wm-tail { max-width: 0 !important; animation: none; }
.wm-dot { display: inline-block; vertical-align: top; line-height: 1; opacity: 0; animation: letterIn .5s ease 1.03s forwards, dotPulse 2.2s ease-in-out 1.75s infinite; }
.wm-dot-static { opacity: 1; animation: dotPulse 2.2s ease-in-out infinite; }

.reveal { opacity: 0; transform: translateY(16px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ===== Buttons ===== */
.btn { border: none; border-radius: 10px; cursor: pointer; font: 600 14px 'IBM Plex Sans', sans-serif; }
.btn-primary { padding: 10px 20px; color: #f4f1ea; background: var(--heading-dark); }
.btn-primary:hover { background: color-mix(in srgb, var(--heading-dark) 88%, black); }

/* ===== Nav ===== */
.nav {
  max-width: 1160px; margin: 0 auto; padding: 22px 32px;
  display: flex; align-items: center; justify-content: space-between;
  position: sticky; top: 0; z-index: 50; background: var(--paper);
}

/* ===== Hero ===== */
.hero {
  max-width: 1160px; margin: 0 auto; padding: 40px 32px 76px;
  display: grid; grid-template-columns: minmax(0,1.05fr) minmax(0,.95fr);
  gap: 64px; align-items: start;
}
.hero-copy { width: 100%; max-width: 525px; }
.hero-heading {
  font: 700 65px/1.04 'Poppins', sans-serif; letter-spacing: -.02em;
  margin: 0 0 15px; color: var(--heading); text-wrap: balance;
  text-transform: lowercase; max-width: 580px;
  animation: settleWeight .7s ease-out both;
}
.hero-sub {
  font: 400 26px/1.55 'Darker Grotesque', sans-serif; color: var(--muted-1);
  margin: 0 0 10px; max-width: 522px; text-wrap: pretty;
}
.hero-sub strong { color: var(--body); font-weight: 700; }

.underline-target { position: relative; display: inline-block; }
.underline-target::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: -2px; height: 2px;
  background: var(--accent); transform: scaleX(0); transform-origin: left;
}
.underline-target.underline-run::after { animation: underlineDraw .4s ease forwards; }
@keyframes underlineDraw { to { transform: scaleX(1); } }
.hero-form { display: flex; gap: 10px; max-width: 460px; margin: 20px 0 10px; }
.hero-form input {
  flex: 1; min-width: 0; padding: 15px 17px; border: 1.5px solid var(--border-strong);
  border-radius: 11px; background: #fff; font: 400 15px 'IBM Plex Sans', sans-serif;
  color: var(--body); outline: none;
}
.hero-form input:focus { border-color: var(--accent); }
.hero-form .btn { flex: none; padding: 15px 24px; border-radius: 11px; white-space: nowrap; font-size: 15px; }
.hero-disclaimer { display: block; font: 400 13px/1.4 'IBM Plex Sans', sans-serif; color: var(--muted-4); max-width: 400px; }
.hero-disclaimer strong { color: var(--muted-1); font-weight: 600; }

/* ===== Hero card carousel ===== */
.hero-card-wrap { width: 100%; max-width: 523px; position: relative; justify-self: end; }
.card-panel {
  background: #fff; border: 1px solid var(--border); border-radius: 20px; padding: 28px;
  box-shadow: 0 30px 70px -34px rgba(20,22,30,.4); width: 100%; box-sizing: border-box;
  height: 620px; position: relative; overflow: hidden;
}
.card {
  position: absolute; inset: 0; padding: 28px; box-sizing: border-box;
  transform: translateX(24px); opacity: 0; pointer-events: none;
  transition: transform .45s cubic-bezier(.4,0,.2,1), opacity .4s ease;
  overflow: hidden;
}
.hero-card-wrap[data-active="0"] .card-0,
.hero-card-wrap[data-active="1"] .card-1 { transform: translateX(0); opacity: 1; pointer-events: auto; }
.hero-card-wrap[data-active="1"] .card-0 { transform: translateX(-24px); }
.hero-card-wrap[data-active="0"] .card-1 { transform: translateX(24px); }

.company-name { font: 500 15px/1.3 'IBM Plex Sans', sans-serif; color: var(--muted-3); margin-bottom: 6px; }
.company-value { font: 600 44px/1 'IBM Plex Sans', sans-serif; letter-spacing: -.02em; color: var(--body); margin-bottom: 24px; }

.stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--border-soft); border-radius: 12px; overflow: hidden; margin-bottom: 22px; }
.stat-box { background: #fbfaf7; padding: 15px 16px; position: relative; cursor: help; }
.stat-label { font: 500 10.5px/1 'IBM Plex Mono', monospace; letter-spacing: .05em; color: var(--muted-5); margin-bottom: 7px; }
.stat-value { font: 600 20px/1 'Poppins', sans-serif; color: var(--body); }
.tooltip {
  position: absolute; left: 0; top: 100%; margin-top: 8px; width: 200px;
  background: var(--body); color: #f4f1ea; font: 400 11.5px/1.4 'IBM Plex Sans', sans-serif;
  padding: 10px 12px; border-radius: 8px; box-shadow: 0 10px 24px -8px rgba(0,0,0,.4);
  z-index: 10; opacity: 0; visibility: hidden; transition: opacity .15s ease;
}
.stat-box:hover .tooltip { opacity: 1; visibility: visible; }

.pool-breakdown { margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--border-soft); }
.pool-label { font: 500 11px/1 'IBM Plex Mono', monospace; letter-spacing: .05em; color: var(--muted-5); margin-bottom: 10px; }
.pool-bar { display: flex; height: 20px; border-radius: 7px; overflow: hidden; margin-bottom: 12px; }
.cap-segment { height: 100%; cursor: pointer; opacity: 1; transition: opacity .15s; }
.pool-bar:hover .cap-segment { opacity: .5; }
.pool-bar .cap-segment:hover { opacity: 1; }
.cap-rows { display: grid; grid-template-columns: 1fr 1fr; gap: 5px; }
.cap-row { display: flex; align-items: center; gap: 6px; cursor: pointer; padding: 4px 6px; border-radius: 6px; }
.cap-row:hover { background: rgba(20,22,30,.05); }
.cap-dot { width: 8px; height: 8px; border-radius: 50%; flex: none; }
.cap-name { font: 500 11.5px/1.3 'IBM Plex Sans', sans-serif; color: var(--body); flex: 1; }
.cap-pct { font: 500 10.5px/1 'IBM Plex Mono', monospace; color: var(--muted-5); }

.certified-row { display: flex; align-items: center; gap: 11px; padding-top: 19px; margin-top: 16px; border-top: 1px solid var(--border-soft); }
.certified-badge { width: 34px; height: 34px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font: 600 13px 'IBM Plex Sans', sans-serif; color: #fff; flex: none; background: #6A8AE9; }
.certified-text { font: 600 13px/1.3 'IBM Plex Sans', sans-serif; color: var(--body); }
.certified-sub { font: 400 12px/1.3 'IBM Plex Sans', sans-serif; color: var(--muted-5); }

/* --- Card 1: vesting --- */
.vesting-header { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 2px; gap: 10px; }
.employee-name { font: 500 15px/1.3 'IBM Plex Sans', sans-serif; color: var(--muted-3); }
.toggle-metric-btn {
  font: 500 10px/1 'IBM Plex Mono', monospace; letter-spacing: .03em; padding: 5px 10px;
  border-radius: 100px; border: 1px solid var(--border-strong); background: #fff; color: #5a5e69; cursor: pointer;
  white-space: nowrap;
}
.toggle-metric-btn:hover { background: #f4f1ea; }
.units-label { font: 500 10px/1 'IBM Plex Mono', monospace; letter-spacing: .05em; color: var(--muted-5); }
.payout-row { display: flex; align-items: baseline; gap: 10px; margin: 10px 0 10px; flex-wrap: wrap; }
.payout-value { font: 600 34px/1 'IBM Plex Sans', sans-serif; letter-spacing: -.02em; color: var(--body); }
.payout-label { font: 600 17px/1 'Poppins', sans-serif; letter-spacing: .02em; color: var(--body); }

.chart-wrap { position: relative; width: 100%; height: 150px; margin-bottom: 10px; }
.chart-svg { width: 100%; height: 159px; display: block; overflow: visible; }
.axis-line { stroke: rgba(20,22,30,.25); stroke-width: 1; }
.grid-line { stroke: rgba(20,22,30,.25); stroke-width: 1; }
.cliff-line { stroke: #b45309; stroke-width: 1.5; stroke-dasharray: 3,3; }
.cliff-text { font-size: 10px; font-family: 'IBM Plex Mono', monospace; fill: #b45309; }
.chart-area { fill: color-mix(in srgb, var(--accent) 14%, transparent); stroke: none; }
.chart-line {
  fill: none; stroke: var(--accent); stroke-width: 2.5; stroke-linejoin: round;
  stroke-dasharray: 900; animation: drawPath .9s ease forwards;
}
.mark-hit { fill: transparent; cursor: pointer; }
.mark-dot { fill: var(--accent); }

.y-tick { position: absolute; left: 0; transform: translateY(-50%); font: 400 9px/1 'IBM Plex Mono', monospace; color: var(--muted-5); width: 34px; text-align: right; }
.x-tick { position: absolute; top: 138px; transform: translateX(-50%); font: 400 10px/1 'IBM Plex Mono', monospace; color: var(--muted-5); white-space: nowrap; }

.chart-tooltip {
  position: absolute; transform: translate(-50%, -135%); background: var(--body); color: #f4f1ea;
  font: 500 11px/1.3 'IBM Plex Sans', sans-serif; padding: 7px 10px; border-radius: 8px; white-space: nowrap;
  box-shadow: 0 8px 20px -6px rgba(0,0,0,.35); pointer-events: none; z-index: 5;
  opacity: 0; transition: opacity .1s ease;
}
.chart-tooltip.show { opacity: 1; }

.chart-stats-grid { display: grid; grid-template-columns: repeat(5,1fr); gap: 5px; padding-top: 20px; border-top: 1px solid var(--border-soft); }
.chart-stat-label { font: 500 9.5px/1 'IBM Plex Mono', monospace; letter-spacing: .04em; color: var(--muted-5); margin-bottom: 5px; }
.chart-stat-value { font: 600 14px 'Poppins', sans-serif; color: var(--body); }

.carousel-btn {
  position: absolute; top: 50%; transform: translateY(-50%); width: 32px; height: 32px; border-radius: 50%;
  border: 1px solid rgba(20,22,30,.12); background: #fff; box-shadow: 0 6px 16px -6px rgba(20,22,30,.3);
  cursor: pointer; font: 600 15px 'IBM Plex Sans', sans-serif; color: var(--body); z-index: 5;
}
.carousel-prev { left: -16px; }
.carousel-next { right: -16px; }
.dots { display: flex; justify-content: center; gap: 7px; margin-top: 14px; }
.dot { width: 7px; height: 7px; border-radius: 50%; background: rgba(20,22,30,.18); transition: background .2s; }
.hero-card-wrap[data-active="0"] .dot-0, .hero-card-wrap[data-active="1"] .dot-1 { background: var(--accent); }

/* ===== Features ===== */
.features { max-width: 1160px; margin: 0 auto; padding: 20px 32px 84px; }
.features-heading { font: 700 34px/1.1 'Poppins', sans-serif; letter-spacing: -0.02em; margin: 24px 0 28px; color: var(--heading); }
.feature-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 28px; }
.feature-card { background: #fff; border: 1px solid var(--border-soft); border-radius: 16px; padding: 30px; box-shadow: 0 4px 16px -6px rgba(20,22,30,.12); }
.feature-number { font: 600 15px 'Source Serif 4', serif; color: var(--heading-dark); margin-bottom: 20px; }
.feature-title { font: 600 20px/1.25 'Merriweather', serif; color: var(--heading); margin: 0 0 12px; }
.feature-text { font: 400 15px/1.6 'IBM Plex Sans', sans-serif; color: var(--muted-2); margin: 0; }
.feature-text strong { color: var(--muted-2); }

/* ===== Apply section (dark) ===== */
.apply-section { padding: 88px 32px; background: linear-gradient(180deg, #101945, #28211a); }
.apply-grid { max-width: 1160px; margin: 0 auto; display: grid; grid-template-columns: .9fr 1.1fr; gap: 60px; align-items: start; }
.apply-info { position: sticky; top: 40px; }
.apply-heading { font: 600 40px/1.08 'Merriweather', serif; letter-spacing: -.02em; color: #F4F1EA; margin: 18px 0 20px; text-wrap: balance; }
.apply-sub { font: 400 16.5px/1.6 'IBM Plex Sans', sans-serif; color: #a7abb8; margin: 0 0 32px; max-width: 400px; }
.apply-checklist { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 22px; }
.apply-checklist li { display: flex; gap: 13px; align-items: flex-start; }
.check-icon {
  width: 20px; height: 20px; border-radius: 6px; background: color-mix(in srgb, var(--accent) 20%, transparent);
  display: flex; align-items: center; justify-content: center; flex: none; margin-top: 1px;
  color: color-mix(in srgb, var(--accent) 60%, white); font: 600 12px 'IBM Plex Sans', sans-serif;
}
.apply-checklist span:last-child { font: 400 15px/1.5 'IBM Plex Sans', sans-serif; color: #c9cdd8; }

/* --- Form card --- */
.form-card { background: #191c26; border: 1px solid rgba(255,255,255,.08); border-radius: 20px; padding: 34px; }
.form-progress { display: flex; align-items: center; justify-content: space-between; margin-bottom: 26px; }
.step-label { font: 500 11px/1 'IBM Plex Mono', monospace; letter-spacing: .06em; color: var(--muted-5); }
.progress-track { flex: 1; height: 4px; margin-left: 18px; border-radius: 100px; background: rgba(255,255,255,.08); overflow: hidden; }
.progress-fill { height: 100%; border-radius: 100px; background: var(--accent); transition: width .3s ease; }

.form-step { display: none; animation: riseIn .3s ease both; }
.form-card[data-step="1"] [data-step-panel="1"],
.form-card[data-step="2"] [data-step-panel="2"],
.form-card[data-step="3"] [data-step-panel="3"],
.form-card[data-step="4"] [data-step-panel="4"],
.form-card[data-step="5"] [data-step-panel="5"] { display: block; }

.step-heading { font: 600 22px/1.2 'Merriweather', serif; color: #F4F1EA; margin: 0 0 6px; }
.step-sub { font: 400 14px/1.5 'IBM Plex Sans', sans-serif; color: var(--muted-5); margin: 0 0 24px; }
.field-label { display: block; font: 500 13px 'IBM Plex Sans', sans-serif; color: #c9cdd8; margin-bottom: 8px; }
.field-input {
  width: 100%; padding: 15px 16px; border: 1.5px solid rgba(255,255,255,.14); border-radius: 11px;
  background: rgba(255,255,255,.03); font: 400 15px 'IBM Plex Sans', sans-serif; color: #f4f1ea; outline: none;
  margin-bottom: 20px;
}
.field-input:focus { border-color: var(--accent); }
.field-input.other-input { margin-bottom: 0; }

.option-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 11px; }
.option-grid-3 { grid-template-columns: 1fr 1fr 1fr; }
.option-btn {
  display: flex; align-items: center; gap: 11px; padding: 14px 15px; border: 1.5px solid rgba(255,255,255,.14);
  border-radius: 12px; background: rgba(255,255,255,.03); color: #f4f1ea; font: 500 14px/1.25 'IBM Plex Sans', sans-serif;
  cursor: pointer; text-align: left; transition: all .14s;
}
.option-btn:hover { border-color: rgba(255,255,255,.3); }
.option-btn.selected { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 16%, transparent); }
.option-dot { width: 16px; height: 16px; border-radius: 50%; flex: none; border: 1.5px solid rgba(255,255,255,.3); background: transparent; transition: all .14s; }
.option-btn.selected .option-dot { border-color: var(--accent); background: var(--accent); box-shadow: inset 0 0 0 3px #191c26; }
.option-btn.no-dot { justify-content: center; }

.form-error { color: #ef6a6a; font: 500 13px/1.4 'IBM Plex Sans', sans-serif; margin: 16px 0 0; }

.form-nav { display: flex; align-items: center; gap: 12px; margin-top: 30px; }
.btn-back { padding: 14px 22px; border: 1.5px solid rgba(255,255,255,.16); border-radius: 11px; background: transparent; color: #c9cdd8; font: 600 14.5px 'IBM Plex Sans', sans-serif; cursor: pointer; }
.btn-continue { flex: 1; padding: 14px 22px; border: none; border-radius: 11px; background: var(--accent); color: #fff; font: 600 15px 'IBM Plex Sans', sans-serif; cursor: pointer; }
.btn-continue:not(:disabled):hover { background: color-mix(in srgb, var(--accent) 88%, white); }

.success-panel { animation: riseIn .4s ease both; text-align: center; padding: 14px 6px; }
.success-icon { width: 56px; height: 56px; border-radius: 50%; background: rgba(22,140,90,.16); display: flex; align-items: center; justify-content: center; margin: 0 auto 22px; font: 600 24px 'IBM Plex Sans', sans-serif; color: #2fbd82; }
.success-heading { font: 600 26px/1.2 'Merriweather', serif; color: #f4f1ea; margin: 0 0 12px; }
.success-text { font: 400 15.5px/1.6 'IBM Plex Sans', sans-serif; color: #a7abb8; margin: 0 auto 28px; max-width: 380px; }
.success-text strong { color: #f4f1ea; }
.summary-card { text-align: left; background: rgba(255,255,255,.03); border: 1px solid rgba(255,255,255,.08); border-radius: 14px; padding: 20px 22px; margin-bottom: 26px; }
.summary-row { display: flex; justify-content: space-between; padding: 9px 0; border-bottom: 1px solid rgba(255,255,255,.06); font: 400 14px 'IBM Plex Sans', sans-serif; color: var(--muted-5); }
.summary-row:last-child { border-bottom: none; }
.summary-row span:last-child { font: 500 14px 'IBM Plex Sans', sans-serif; color: #f4f1ea; }
.btn-restart { padding: 12px 22px; border: 1.5px solid rgba(255,255,255,.16); border-radius: 11px; background: transparent; color: #c9cdd8; font: 600 14px 'IBM Plex Sans', sans-serif; cursor: pointer; }

/* ===== Legal pages ===== */
.legal-page { max-width: 1160px; margin: 0 auto; padding: 40px 32px 96px; }
.legal-back {
  display: inline-block; margin-bottom: 28px; font: 500 14px 'IBM Plex Sans', sans-serif;
  color: var(--muted-2);
}
.legal-back:hover { color: var(--accent); }
.legal-container {
  background: #fff; border: 1px solid var(--border-soft); border-radius: 16px;
  padding: 48px; box-shadow: 0 4px 16px -6px rgba(20,22,30,.12);
  max-width: 820px; margin: 0 auto;
}
.legal-container h1 { margin-top: 0; }
.legal-container table { border-collapse: collapse; }
.legal-container img { max-width: 100%; }

/* ===== Footer ===== */
.site-footer { padding: 40px 32px; background: linear-gradient(180deg, #211F27, #25201F); }
.footer-wordmark { font: 600 30px/1 'Merriweather', serif; letter-spacing: -.015em; color: #F4F1EA; }
.footer-disclaimer { font: 400 12.5px/1.5 'IBM Plex Sans', sans-serif; color: #6b6f7a; max-width: 520px; text-align: right; }
.footer-inner {
  max-width: 1160px; margin: 0 auto; width: 100%;
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px;
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; gap: 40px; padding-top: 24px; }
  .hero-card-wrap { justify-self: stretch; max-width: 100%; }
  .hero-heading { font-size: 42px; }
  .feature-grid { grid-template-columns: 1fr; }
  .apply-grid { grid-template-columns: 1fr; gap: 40px; }
  .apply-info { position: static; }
  .card-panel { height: auto; min-height: 620px; }
}
@media (max-width: 560px) {
  .nav { padding: 16px 20px; }
  .hero { padding: 20px 20px 48px; }
  .features { padding: 10px 20px 56px; }
  .apply-section { padding: 56px 20px; }
  .hero-heading { font-size: 34px; }
  .hero-form { flex-direction: column; }
  .option-grid, .option-grid-3 { grid-template-columns: 1fr 1fr; }
  .form-card { padding: 22px; }
  .footer-disclaimer { text-align: left; }
  .carousel-prev { left: 4px; }
  .carousel-next { right: 4px; }
}