/* 3xo3.com — the lobby, not the building. */

:root {
  --max: 1040px;
  --accent: #1b1c20;
  --accent-contrast: #ffffff;
  --page-glow: 0.07;
  --ink-soft: color-mix(in srgb, var(--text) 78%, transparent);
}

:root[data-theme='dark'] {
  --accent: #f2f3f5;
  --accent-contrast: #0b0c0f;
  --page-glow: 0.16;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  background:
    radial-gradient(900px 480px at 82% -12%, rgba(36, 99, 235, var(--page-glow)), transparent 64%),
    radial-gradient(720px 420px at 6% -6%, rgba(124, 58, 237, calc(var(--page-glow) * 0.7)), transparent 60%),
    var(--bg);
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 100;
  padding: 8px 12px;
  border-radius: 8px;
  background: var(--text);
  color: var(--bg);
  text-decoration: none;
  transform: translateY(-160%);
  transition: transform var(--fast) var(--ease);
}

.skip-link:focus {
  transform: none;
}

/* ---------- header ---------- */

.site-head {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 16px 24px;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(16px) saturate(1.2);
  -webkit-backdrop-filter: blur(16px) saturate(1.2);
  border-bottom: 1px solid transparent;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--text);
  font-weight: 620;
  letter-spacing: -0.01em;
  text-decoration: none;
  white-space: nowrap;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 8px;
  background: var(--text);
  color: var(--bg);
  font-size: 14px;
  font-weight: 700;
  line-height: 1;
}

.brand-mark.small {
  width: 22px;
  height: 22px;
  border-radius: 7px;
  font-size: 12px;
}

.brand-name {
  font-size: calc(15px * var(--font-scale));
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 2px;
}

.site-nav a {
  padding: 7px 10px;
  border-radius: 8px;
  color: var(--text-secondary);
  font-size: calc(12.5px * var(--font-scale));
  text-decoration: none;
  transition: color var(--fast) var(--ease), background-color var(--fast) var(--ease);
}

.site-nav a:hover {
  color: var(--text);
  background: color-mix(in srgb, var(--text) 5%, transparent);
}

.site-nav .nav-cta {
  margin-left: 8px;
  padding: 7px 13px;
  background: var(--accent);
  color: var(--accent-contrast);
  font-weight: 560;
}

.site-nav .nav-cta:hover {
  background: var(--accent);
  color: var(--accent-contrast);
  filter: brightness(1.08);
}

.theme-button {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  margin-left: 4px;
  padding: 0;
  border: 1px solid transparent;
  border-radius: 50%;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  transition: color var(--fast) var(--ease), background-color var(--fast) var(--ease);
}

.theme-button:hover {
  color: var(--text);
  background: color-mix(in srgb, var(--text) 6%, transparent);
}

.theme-icon {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
}

.signed-dot {
  width: 7px;
  height: 7px;
  margin: 0 2px 0 6px;
  border-radius: 50%;
  background: #16a34a;
  box-shadow: 0 0 0 3px color-mix(in srgb, #16a34a 16%, transparent);
}

/* ---------- shared bits ---------- */

main,
.site-foot {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 14px;
  color: var(--text-secondary);
  font-size: calc(10.5px * var(--font-scale));
  font-weight: 560;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.pulse {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #16a34a;
  box-shadow: 0 0 0 4px color-mix(in srgb, #16a34a 14%, transparent);
}

.btn {
  min-height: 38px;
  padding: 8px 15px;
  border-radius: 9px;
  font-weight: 540;
  text-decoration: none;
}

.btn-solid {
  box-shadow: 0 6px 18px -10px color-mix(in srgb, var(--accent) 60%, transparent);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 24px;
}

/* ---------- hero ---------- */

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(300px, 0.82fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: center;
  padding: clamp(52px, 8vw, 88px) 0 clamp(40px, 6vw, 62px);
}

.hero-copy {
  max-width: 590px;
}

.hero-title {
  margin: 0 0 20px;
  font-size: clamp(42px, 6.4vw, 70px);
  font-weight: 620;
  letter-spacing: -0.045em;
  line-height: 0.98;
}

.lede {
  max-width: 50ch;
  margin: 0;
  color: var(--text-secondary);
  font-size: calc(15px * var(--font-scale));
  line-height: 1.7;
}

.hero-foot {
  margin: 18px 0 0;
  color: var(--text-secondary);
  font-size: calc(11.5px * var(--font-scale));
}

.hero-card {
  position: relative;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--bg-elevated) 92%, transparent), var(--bg-elevated));
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.5) inset,
    var(--shadow-floating);
  transform: rotate(0.6deg);
}

:root[data-theme='dark'] .hero-card {
  background: var(--bg-elevated);
  box-shadow: var(--shadow-floating);
}

.hero-card::after {
  content: '';
  position: absolute;
  inset: 8px -10px -12px 26px;
  z-index: -1;
  border-radius: 22px;
  background: color-mix(in srgb, var(--text) 5%, transparent);
  transform: rotate(-1.4deg);
}

.hero-card-head {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-bottom: 13px;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: calc(11.5px * var(--font-scale));
}

.mini-mark {
  display: grid;
  place-items: center;
  width: 20px;
  height: 20px;
  border-radius: 6px;
  background: var(--text);
  color: var(--bg);
  font-size: 10px;
  font-weight: 700;
}

.status-pill {
  margin-left: auto;
  padding: 2px 7px;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: calc(9.5px * var(--font-scale));
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.identity-line {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 16px 2px 14px;
}

.identity-line strong {
  display: block;
  font-size: calc(14px * var(--font-scale));
  font-weight: 590;
  letter-spacing: -0.01em;
}

.handle {
  display: block;
  margin-top: 1px;
  color: var(--text-secondary);
  font-size: calc(11.5px * var(--font-scale));
}

.avatar {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid color-mix(in srgb, var(--text) 8%, transparent);
  border-radius: 50%;
  background:
    radial-gradient(circle at 30% 22%, #ffffff 0 8%, transparent 9%),
    linear-gradient(145deg, #e7e2d8, #cbc4b6);
  color: #46423a;
  font-size: 13px;
  font-weight: 650;
  flex: none;
}

:root[data-theme='dark'] .avatar {
  background: linear-gradient(145deg, #2a2c33, #191a1f);
  color: #d8dae0;
}

.avatar-lg {
  width: 42px;
  height: 42px;
  font-size: 15px;
}

.hero-rows {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.hero-row {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 7px 2px;
  font-size: calc(12.5px * var(--font-scale));
}

.row-icon {
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border-radius: 6px;
  background: color-mix(in srgb, var(--tint) 13%, transparent);
  color: var(--tint);
  font-size: 10px;
  font-weight: 700;
}

.row-meta {
  margin-left: auto;
  color: var(--text-secondary);
  font-size: calc(10.5px * var(--font-scale));
}

.hero-card-foot {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-top: 10px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

.balance-label {
  color: var(--text-secondary);
  font-size: calc(11px * var(--font-scale));
}

.hero-card-foot strong {
  font-size: calc(17px * var(--font-scale));
  font-weight: 600;
  letter-spacing: -0.02em;
}

/* ---------- proof ---------- */

.proof {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  padding: 18px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.proof-item {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 4px 22px;
  border-left: 1px solid var(--border);
}

.proof-item:first-child {
  padding-left: 0;
  border-left: 0;
}

.proof-icon {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--text-secondary);
  font-size: 13px;
  flex: none;
}

.proof-item strong {
  display: block;
  font-size: calc(12.5px * var(--font-scale));
  font-weight: 580;
}

.proof-item span:not(.proof-icon) {
  display: block;
  margin-top: 1px;
  color: var(--text-secondary);
  font-size: calc(11px * var(--font-scale));
}

/* ---------- sections ---------- */

.section {
  padding: clamp(48px, 7vw, 76px) 0;
  border-bottom: 1px solid var(--border);
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 26px;
}

.section-head .eyebrow {
  margin-bottom: 8px;
}

.section-head h2 {
  margin: 0;
  font-size: clamp(23px, 3vw, 30px);
  letter-spacing: -0.025em;
}

.section-note {
  max-width: 36ch;
  margin: 0 0 3px;
  text-align: right;
}

/* ---------- tools ---------- */

.tools-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.tool {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 170px;
  padding: 15px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: color-mix(in srgb, var(--bg-elevated) 74%, transparent);
  transition:
    transform var(--fast) var(--ease),
    border-color var(--fast) var(--ease),
    background-color var(--fast) var(--ease);
}

.tool:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--text) 22%, var(--border));
  background: var(--bg-elevated);
}

.tool-live {
  background: var(--bg-elevated);
  box-shadow: var(--shadow);
}

.tool-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.tool-dot {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 9px;
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
}

.tool-state,
.live-pill {
  color: var(--text-secondary);
  font-size: calc(9.5px * var(--font-scale));
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.live-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: #15803d;
}

.live-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 0 3px color-mix(in srgb, currentColor 14%, transparent);
}

.tool h3 {
  margin: 0 0 7px;
  font-size: calc(15px * var(--font-scale));
  font-weight: 590;
  letter-spacing: -0.01em;
}

.tool p {
  margin: 0;
  color: var(--text-secondary);
  font-size: calc(12px * var(--font-scale));
  line-height: 1.55;
}

.tool-link {
  margin-top: auto;
  padding-top: 12px;
  color: var(--text);
  font-size: calc(11.5px * var(--font-scale));
  font-weight: 560;
  text-decoration: none;
}

.tool-link:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.roadmap-note {
  max-width: 68ch;
  margin: 20px 0 0;
  color: var(--text-secondary);
  font-size: calc(11.5px * var(--font-scale));
  line-height: 1.6;
}

/* ---------- account ---------- */

.account-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.38fr) minmax(250px, 0.62fr);
  gap: 12px;
}

.account-card {
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--bg-elevated);
}

.account-card-main {
  box-shadow: var(--shadow);
}

.account-card h3 {
  margin: 0 0 15px;
  font-size: calc(15px * var(--font-scale));
  letter-spacing: -0.01em;
}

.check-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  display: flex;
  gap: 10px;
  color: var(--text-secondary);
  font-size: calc(12.5px * var(--font-scale));
  line-height: 1.5;
}

.check-list strong {
  color: var(--text);
  font-weight: 560;
}

.check {
  display: grid;
  place-items: center;
  width: 17px;
  height: 17px;
  margin-top: 1px;
  border-radius: 50%;
  background: color-mix(in srgb, #16a34a 12%, transparent);
  color: #15803d;
  font-size: 9px;
  flex: none;
}

.card-note {
  max-width: 54ch;
  margin: 16px 0 0;
  color: var(--text-secondary);
  font-size: calc(11px * var(--font-scale));
  line-height: 1.55;
}

.account-card-side {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  background: color-mix(in srgb, var(--bg-subtle) 62%, transparent);
  box-shadow: none;
}

.side-card-head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  font-size: calc(12.5px * var(--font-scale));
  font-weight: 580;
}

.lock-dot {
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--text-secondary);
}

.account-card-side p {
  margin: 0 0 12px;
  color: var(--text-secondary);
  font-size: calc(12px * var(--font-scale));
  line-height: 1.6;
}

/* ---------- idea ---------- */

.idea-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

.idea-number {
  display: block;
  margin-bottom: 18px;
  color: var(--text-secondary);
  font-size: calc(10.5px * var(--font-scale));
  letter-spacing: 0.12em;
}

.idea h3 {
  margin: 0 0 8px;
  font-size: calc(14px * var(--font-scale));
  font-weight: 580;
  letter-spacing: -0.01em;
}

.idea p {
  margin: 0;
  color: var(--text-secondary);
  font-size: calc(12.5px * var(--font-scale));
  line-height: 1.6;
}

/* ---------- closing ---------- */

.closing {
  padding: 54px 0 64px;
}

.closing-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: clamp(24px, 4vw, 36px);
  border-radius: 20px;
  background: var(--text);
  color: var(--bg);
}

.closing .eyebrow {
  color: color-mix(in srgb, var(--bg) 64%, transparent);
  margin-bottom: 8px;
}

.closing h2 {
  margin: 0 0 7px;
  font-size: clamp(21px, 3vw, 28px);
  letter-spacing: -0.025em;
}

.closing p.t-body {
  margin: 0;
  color: color-mix(in srgb, var(--bg) 70%, transparent);
}

.closing-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  flex: none;
}

.closing .btn {
  background: transparent;
  border-color: color-mix(in srgb, var(--bg) 24%, transparent);
  color: var(--bg);
}

.closing .btn:hover {
  background: color-mix(in srgb, var(--bg) 10%, transparent);
}

.closing .btn-solid {
  background: var(--bg);
  border-color: var(--bg);
  color: var(--text);
}

/* ---------- footer ---------- */

.site-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding-top: 24px;
  padding-bottom: 40px;
  border-top: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: calc(11.5px * var(--font-scale));
}

.foot-brand {
  display: flex;
  align-items: center;
  gap: 8px;
}

.foot-dim {
  color: var(--text-secondary);
}

.site-foot nav {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.site-foot nav a {
  color: var(--text-secondary);
  text-decoration: none;
}

.site-foot nav a:hover {
  color: var(--text);
}

/* ---------- responsive ---------- */

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .hero-copy {
    max-width: 640px;
  }

  .hero-card {
    max-width: 420px;
    transform: none;
  }

  .hero-card::after {
    display: none;
  }

  .tools-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .account-grid {
    grid-template-columns: 1fr;
  }

  .idea-grid {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .idea {
    padding-top: 18px;
    border-top: 1px solid var(--border);
  }

  .idea:first-child {
    padding-top: 0;
    border-top: 0;
  }
}

@media (max-width: 700px) {
  .site-head {
    padding: 14px 18px;
  }

  .site-nav a:not(.nav-cta) {
    display: none;
  }

  main,
  .site-foot {
    padding-left: 18px;
    padding-right: 18px;
  }

  .hero {
    padding-top: 42px;
  }

  .hero-title {
    font-size: clamp(38px, 12vw, 54px);
  }

  .proof {
    grid-template-columns: 1fr;
    padding: 6px 0;
  }

  .proof-item,
  .proof-item:first-child {
    padding: 12px 0;
    border-left: 0;
    border-top: 1px solid var(--border);
  }

  .proof-item:first-child {
    border-top: 0;
  }

  .section-head {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .section-note {
    text-align: left;
  }

  .tools-grid {
    grid-template-columns: 1fr;
  }

  .tool {
    min-height: 150px;
  }

  .closing-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .tool:hover {
    transform: none;
  }
}

:root[data-perf='low'] .tool:hover {
  transform: none;
}