:root {
  color-scheme: dark;
  --bg: #050816;
  --bg-card: rgba(18, 24, 46, 0.82);
  --border: rgba(255, 255, 255, 0.1);
  --text: #f5f7ff;
  --muted: #98a2c6;
  --accent: #8b5cf6;
  --accent-strong: #5b7cff;
  --success: #7ee787;
  --danger: #ff8f8f;
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.45);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  font-family: "Inter", sans-serif;
  background:
    radial-gradient(circle at top, rgba(91, 124, 255, 0.22), transparent 34%),
    radial-gradient(circle at 80% 18%, rgba(139, 92, 246, 0.24), transparent 28%),
    linear-gradient(180deg, #081120 0%, #050816 45%, #04050d 100%);
  color: var(--text);
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input {
  font: inherit;
}

.page-shell {
  position: relative;
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 48px;
}

.background-glow {
  position: absolute;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.5;
  pointer-events: none;
}

.glow-left {
  top: -40px;
  left: -120px;
  background: rgba(91, 124, 255, 0.25);
}

.glow-right {
  top: 100px;
  right: -100px;
  background: rgba(139, 92, 246, 0.24);
}

.topbar {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 14px;
  background: rgba(11, 15, 31, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  backdrop-filter: blur(16px);
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.24);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 10px;
  font-weight: 800;
  background: linear-gradient(135deg, #8b5cf6, #5b7cff);
}

.brand-name {
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.topbar-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 96px;
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.05);
  font-size: 0.92rem;
  font-weight: 600;
}

.hero {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  gap: 32px;
  align-items: center;
  padding: 76px 0 72px;
}

.hero-copy h1 {
  margin: 18px 0 18px;
  font-size: clamp(3.4rem, 8vw, 6.8rem);
  line-height: 0.92;
  letter-spacing: -0.08em;
}

.hero-copy p {
  max-width: 620px;
  margin: 0;
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--muted);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  color: #cfd7ff;
  font-size: 0.88rem;
  font-weight: 600;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.primary-button,
.secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 150px;
  padding: 14px 20px;
  border: 1px solid transparent;
  border-radius: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.primary-button {
  background: linear-gradient(135deg, #8b5cf6, #5b7cff);
  box-shadow: 0 16px 36px rgba(91, 124, 255, 0.3);
}

.secondary-button {
  border-color: rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
}

.primary-button:hover,
.secondary-button:hover,
.service-card:hover,
.topbar-action:hover,
.auth-tab:hover {
  transform: translateY(-3px);
}

.hero-panel,
.auth-grid {
  display: grid;
  gap: 18px;
}

.panel-card,
.auth-card {
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: 28px;
  background: linear-gradient(180deg, rgba(20, 26, 48, 0.94), rgba(11, 15, 29, 0.84));
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px);
}

.panel-card strong,
.panel-card p {
  display: block;
}

.panel-label {
  display: inline-block;
  margin-bottom: 16px;
  color: #cfd7ff;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.panel-card strong,
.session-panel strong {
  font-size: 1.45rem;
  line-height: 1.3;
}

.panel-card p,
.session-panel p {
  margin: 12px 0 0;
  color: var(--muted);
  line-height: 1.6;
}

.panel-secondary {
  transform: translateX(36px);
}

.auth-section,
.services-section {
  position: relative;
  z-index: 1;
}

.auth-section {
  padding: 12px 0 24px;
}

.services-section {
  padding: 18px 0 0;
}

.section-heading {
  margin-bottom: 28px;
}

.section-heading span {
  display: inline-block;
  margin-bottom: 8px;
  color: #98a7ff;
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.2rem);
  letter-spacing: -0.05em;
}

.section-heading p {
  max-width: 700px;
  margin: 12px 0 0;
  color: var(--muted);
  line-height: 1.7;
}

.auth-grid {
  grid-template-columns: minmax(0, 1.1fr) minmax(300px, 0.9fr);
  align-items: start;
}

.auth-card {
  display: grid;
  gap: 18px;
}

.auth-tabs {
  display: inline-flex;
  gap: 8px;
  width: fit-content;
  padding: 8px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.04);
}

.auth-tab {
  padding: 10px 16px;
  border: 0;
  border-radius: 12px;
  background: transparent;
  color: var(--muted);
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.auth-tab.is-active {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.3), rgba(91, 124, 255, 0.3));
  color: var(--text);
}

.auth-form {
  display: grid;
  gap: 14px;
}

.form-field {
  display: grid;
  gap: 8px;
}

.form-field span {
  color: #d5dcff;
  font-size: 0.92rem;
  font-weight: 600;
}

.form-field input {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  outline: none;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.form-field input:focus {
  border-color: rgba(139, 92, 246, 0.6);
  background: rgba(255, 255, 255, 0.06);
}

.auth-submit,
.auth-signout {
  width: fit-content;
}

.auth-message {
  min-height: 24px;
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

.auth-message.is-success {
  color: var(--success);
}

.auth-message.is-error {
  color: var(--danger);
}

.session-panel {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  padding: 20px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.04);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.service-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 18px;
  min-height: 240px;
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: 28px;
  background:
    linear-gradient(180deg, rgba(18, 24, 46, 0.88), rgba(9, 13, 25, 0.92)),
    var(--bg-card);
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px);
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.service-card:hover {
  border-color: rgba(139, 92, 246, 0.42);
  box-shadow: 0 34px 90px rgba(0, 0, 0, 0.5);
}

.service-icon {
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.22), rgba(91, 124, 255, 0.22));
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.service-icon svg {
  width: 28px;
  height: 28px;
  stroke: #eef2ff;
}

.service-content h3 {
  margin: 0;
  font-size: 1.35rem;
  letter-spacing: -0.03em;
}

.service-content p {
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.7;
}

.service-link {
  margin-top: auto;
  color: #cfd7ff;
  font-weight: 600;
}

@media (max-width: 920px) {
  .hero,
  .auth-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 52px;
  }

  .panel-secondary {
    transform: none;
  }

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

@media (max-width: 640px) {
  .page-shell {
    width: min(100% - 20px, 1180px);
    padding-top: 18px;
  }

  .topbar,
  .session-panel {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-copy h1 {
    font-size: clamp(2.8rem, 17vw, 4.2rem);
  }

  .hero-copy p,
  .section-heading p,
  .service-content p,
  .panel-card p,
  .session-panel p {
    font-size: 0.98rem;
  }

  .hero-actions {
    flex-direction: column;
  }

  .primary-button,
  .secondary-button,
  .auth-submit,
  .auth-signout,
  .topbar-action {
    width: 100%;
  }

  .panel-card,
  .service-card,
  .auth-card {
    border-radius: 24px;
  }

  .auth-tabs {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
}