:root {
  --black: #000;
  --panel: #070707;
  --panel-soft: #0d0d0d;
  --line: #222;
  --line-bright: #3a3a3a;
  --text: #f7f7f7;
  --muted: #a8a8a8;
  --soft: #d8d8d8;
  --shadow: 0 24px 90px rgba(0, 0, 0, 0.72);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--black);
  color: var(--text);
  font-family: Inter, Arial, sans-serif;
}

button,
input,
textarea {
  font: inherit;
}

button,
a {
  color: inherit;
}

button {
  cursor: pointer;
}

a {
  text-decoration: none;
}

.site-header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 76px;
  padding: 18px clamp(18px, 4vw, 54px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: blur(18px);
}

.brand-mark-button,
.site-nav,
.card-actions {
  display: flex;
  align-items: center;
}

.brand-mark-button {
  gap: 14px;
  border: 0;
  background: transparent;
  color: var(--text);
  font-weight: 800;
}

.brand-mark-button strong {
  font-size: 14px;
  letter-spacing: 0.22em;
}

.mini-logo {
  position: relative;
  width: 64px;
  height: 30px;
  flex: 0 0 auto;
}

.mini-logo span {
  position: absolute;
  top: 0;
  width: 30px;
  height: 30px;
  border: 6px solid #fff;
  border-radius: 50%;
  box-shadow: 0 0 14px rgba(255, 255, 255, 0.38);
}

.mini-logo span:first-child {
  left: 0;
}

.mini-logo span:last-child {
  right: 0;
}

.site-nav {
  gap: 8px;
  padding: 5px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.035);
}

.nav-tab {
  min-height: 38px;
  padding: 0 15px;
  border: 1px solid transparent;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  transition: background 160ms ease, color 160ms ease, border-color 160ms ease;
}

.nav-tab:hover,
.nav-tab.active {
  border-color: var(--line-bright);
  background: #fff;
  color: #000;
}

main {
  min-height: 100vh;
}

.page-view {
  display: none;
}

.hidden {
  display: none !important;
}

.page-view.active {
  display: block;
}

.home-view {
  min-height: 100vh;
  padding: 112px 24px 48px;
  display: none;
  place-items: center;
  background:
    radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.045), transparent 34%),
    #000;
}

.home-view.active {
  display: grid;
}

.hero-logo-wrap {
  display: grid;
  justify-items: center;
  gap: 26px;
  text-align: center;
}

.ouro-logo {
  position: relative;
  display: flex;
  width: min(54vw, 520px);
  min-width: 260px;
  justify-content: center;
  gap: clamp(8px, 2vw, 24px);
}

.ouro-ring {
  width: min(22vw, 210px);
  min-width: 112px;
  aspect-ratio: 1;
  border: clamp(13px, 1.7vw, 22px) solid #fff;
  border-radius: 50%;
  box-shadow:
    0 0 24px rgba(255, 255, 255, 0.34),
    0 0 48px rgba(255, 255, 255, 0.16),
    inset 0 0 18px rgba(255, 255, 255, 0.1);
}

.hero-logo-wrap h1 {
  margin: 0;
  font-size: clamp(34px, 6.4vw, 86px);
  font-weight: 800;
  letter-spacing: 0.22em;
  padding-left: 0.22em;
}

.hero-logo-wrap p {
  max-width: 700px;
  margin: 0;
  color: var(--muted);
  font-size: clamp(16px, 2vw, 20px);
  line-height: 1.55;
}

.content-view {
  min-height: 100vh;
  padding: 132px clamp(18px, 5vw, 76px) 72px;
}

.page-heading {
  max-width: 860px;
  margin-bottom: 34px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--soft);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h2,
h3,
p {
  margin-top: 0;
}

h2 {
  margin-bottom: 16px;
  font-size: clamp(42px, 7vw, 88px);
  line-height: 0.95;
  letter-spacing: -0.055em;
}

h3 {
  margin-bottom: 10px;
  font-size: 20px;
  letter-spacing: -0.02em;
}

.page-heading p,
.demo-card p,
.software-card p,
.detail-panel p,
.roadmap-list p,
.investor-note p {
  color: var(--muted);
  line-height: 1.65;
}

.demo-grid,
.software-grid,
.roadmap-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.software-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.demo-card,
.software-card,
.detail-panel,
.messenger,
.roadmap-list article,
.investor-note {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: linear-gradient(180deg, var(--panel-soft), var(--panel));
  box-shadow: var(--shadow);
}

.demo-card,
.software-card,
.roadmap-list article,
.investor-note {
  padding: 24px;
}

.demo-card span,
.roadmap-list span {
  display: inline-flex;
  margin-bottom: 20px;
  color: var(--soft);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.demo-card button,
.card-actions button,
.card-actions a,
.messenger button {
  min-height: 42px;
  border: 1px solid var(--line-bright);
  border-radius: 10px;
  background: #fff;
  color: #000;
  font-size: 13px;
  font-weight: 800;
}

.demo-card button {
  width: 100%;
  margin-top: 14px;
}

.software-card {
  display: grid;
  gap: 20px;
}

.software-logo {
  display: grid;
  min-height: 170px;
  place-items: center;
  gap: 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #000;
  text-align: center;
}

.software-logo span {
  width: 76px;
  height: 76px;
  border: 2px solid #fff;
  border-radius: 50%;
}

.software-logo strong {
  font-size: 28px;
  letter-spacing: -0.05em;
}

.software-logo img {
  width: min(96px, 46%);
  height: auto;
  object-fit: contain;
}

.duepulse-logo span {
  position: relative;
  transform: translateX(-24px);
}

.duepulse-logo span::after {
  position: absolute;
  top: -2px;
  left: 48px;
  width: 76px;
  height: 76px;
  border: 2px solid #fff;
  border-radius: 50%;
  content: "";
}

.coven-logo {
  align-content: center;
}

.coven-wordmark {
  color: #7c5cff;
  font-family: "Courier New", monospace;
  font-size: 32px;
  font-weight: 800;
  letter-spacing: 0.24em;
  text-shadow: 0 0 18px rgba(124, 92, 255, 0.55);
}

.glove-logo {
  gap: 12px;
}

.card-actions {
  gap: 10px;
}

.card-actions button,
.card-actions a {
  display: inline-flex;
  flex: 1;
  align-items: center;
  justify-content: center;
}

.card-actions button:disabled {
  opacity: 0.35;
  cursor: default;
}

.muted-card {
  opacity: 0.72;
}

.detail-panel {
  margin-top: 16px;
  padding: 20px;
}

.detail-panel strong {
  display: block;
  margin-bottom: 8px;
}

.messenger {
  display: grid;
  max-width: 720px;
  gap: 16px;
  padding: 24px;
}

.request-options {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.request-toggle {
  flex: 1 1 190px;
  background: #000 !important;
  color: var(--soft) !important;
}

.request-toggle[aria-pressed="true"] {
  border-color: #fff;
  background: #fff !important;
  color: #000 !important;
}

label {
  display: grid;
  gap: 8px;
  color: var(--soft);
  font-size: 13px;
  font-weight: 800;
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--line-bright);
  border-radius: 10px;
  background: #000;
  color: var(--text);
}

input {
  min-height: 48px;
  padding: 0 14px;
}

textarea {
  min-height: 170px;
  padding: 14px;
  resize: vertical;
}

input::placeholder,
textarea::placeholder {
  color: #707070;
}

input:focus,
textarea:focus,
button:focus-visible,
a:focus-visible {
  outline: 3px solid rgba(255, 255, 255, 0.18);
  outline-offset: 2px;
}

.form-status {
  min-height: 22px;
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.investor-note {
  max-width: 860px;
  margin-top: 18px;
  border-color: #fff;
}

@media (max-width: 900px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-nav {
    width: 100%;
    overflow-x: auto;
  }

  .demo-grid,
  .software-grid,
  .roadmap-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .site-header {
    padding: 14px;
  }

  .nav-tab {
    padding: 0 12px;
  }

  .content-view {
    padding-top: 154px;
  }

  .ouro-logo {
    min-width: 218px;
    gap: 16px;
  }

  .ouro-ring {
    min-width: 96px;
  }
}