:root {
  --page-bg: #f5f4f0;
  --ink: #0e0e0c;
  --mid-gray: #9e9b94;
  --border: #dedad2;
  --soft-bg: #f0ede6;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 16px;
  background: var(--page-bg);
  color: var(--ink);
  font-family: 'IBM Plex Mono', monospace;
}

main {
  width: 100%;
  max-width: 420px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
}

/* ── Hero ── */

.hero {
  text-align: center;
}

.wordmark {
  font-family: 'Instrument Serif', serif;
  font-weight: 400;
  font-size: 56px;
  margin: 0;
}

.tagline {
  margin: 8px 0 0;
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--mid-gray);
}

/* ── Form ── */

#form-section {
  width: 100%;
}

#profile-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.field label {
  display: block;
  margin-bottom: 6px;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mid-gray);
}

.field input,
.field textarea {
  width: 100%;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 14px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #fff;
  color: var(--ink);
  resize: vertical;
}

.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--ink);
}

.btn-primary {
  padding: 14px;
  border: none;
  border-radius: 10px;
  background: var(--ink);
  color: #fff;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
}

.btn-primary:hover {
  opacity: 0.85;
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.connect-block {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

#manual-toggle {
  display: block;
  margin-top: 16px;
  font-size: 12px;
  color: var(--mid-gray);
  text-decoration: underline;
  cursor: pointer;
  text-align: center;
}

#manual-toggle:hover {
  color: var(--ink);
}

#profile-form {
  margin-top: 18px;
}

.error {
  margin-top: 12px;
  padding: 10px 12px;
  border: 1px solid #f3d2cf;
  border-radius: 10px;
  background: #fdf2f1;
  color: #b3261e;
  font-size: 13px;
}

.hidden {
  display: none !important;
}

/* ── Loading ── */

#loading-section {
  padding: 48px 0;
  text-align: center;
}

.loading-text {
  font-size: 13px;
  letter-spacing: 0.05em;
  color: var(--mid-gray);
}

.dots span {
  opacity: 0;
  animation: blink 1.4s infinite;
}

.dots span:nth-child(2) {
  animation-delay: 0.2s;
}

.dots span:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes blink {
  0%, 100% { opacity: 0; }
  50% { opacity: 1; }
}

/* ── Card ── */

#card-section {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.card {
  width: 100%;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 20px;
  overflow: hidden;
}

.card-block {
  padding: 24px;
}

.mono-label {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mid-gray);
}

.display-name {
  margin: 4px 0;
  font-family: 'Instrument Serif', serif;
  font-weight: 400;
  font-size: 36px;
}

.mono-gray {
  margin: 0;
  font-size: 12px;
  color: var(--mid-gray);
}

.divider {
  height: 1px;
  margin: 0 24px;
  background: var(--border);
}

.cluster {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
}

.cluster:last-child {
  margin-bottom: 0;
}

.cluster-bar {
  flex-shrink: 0;
  width: 4px;
  border-radius: 2px;
  background: var(--ink);
}

.cluster-name {
  margin: 2px 0 4px;
  font-family: 'Instrument Serif', serif;
  font-weight: 400;
  font-size: 22px;
}

.cluster-channels {
  margin: 0;
  font-size: 12px;
  color: var(--mid-gray);
  line-height: 1.8;
}

.channel-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  vertical-align: middle;
}

.separator {
  display: inline-block;
}

.niche-line {
  margin-top: 8px;
}

.signature-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 4px;
}

.signature-channel {
  margin: 0;
  font-family: 'Instrument Serif', serif;
  font-weight: 400;
  font-size: 26px;
}

.avatar {
  display: inline-block;
  border-radius: 50%;
  object-fit: cover;
  background: var(--soft-bg);
  border: 1px solid var(--border);
}

.avatar-sm {
  width: 20px;
  height: 20px;
}

.avatar-lg {
  width: 36px;
  height: 36px;
}

.compat-block {
  padding: 24px;
  background: var(--soft-bg);
}

.compat-line {
  margin: 4px 0 0;
  font-family: 'Instrument Serif', serif;
  font-style: italic;
  font-size: 19px;
  line-height: 1.4;
}

/* ── Career page ── */

.career-card .compat-line {
  font-family: 'Instrument Sans', sans-serif;
  font-weight: 400;
  font-style: normal;
  font-size: 15px;
  line-height: 1.6;
}

.archetype-name {
  margin: 0 0 12px;
  font-family: 'Instrument Serif', serif;
  font-weight: 400;
  font-size: 28px;
}

.career-item {
  margin-bottom: 20px;
}

.career-item:last-child {
  margin-bottom: 0;
}

.career-item-title {
  margin: 0 0 4px;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink);
}

.waitlist-form {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}

.waitlist-form input {
  flex: 1;
  min-width: 0;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 13px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #fff;
  color: var(--ink);
}

.waitlist-form input:focus {
  outline: none;
  border-color: var(--ink);
}

.waitlist-form .btn-primary {
  padding: 12px 18px;
  white-space: nowrap;
}

.waitlist-message {
  margin: 10px 0 0;
  font-size: 12px;
}

.waitlist-message.error {
  color: #b3261e;
}

/* ── Full read card themes ── */

#career-card {
  background: #f5f4f0;
  color: #0e0e0c;
  border: 1px solid #dedad2;
}

#career-card .mono-label,
#career-card .career-item-title {
  color: #6e6c67;
}

#personality-card {
  background: #0e0e0c;
  color: #f5f4f0;
  border: 1px solid #2a2a28;
}

#personality-card .mono-label {
  color: #9e9b94;
}

#personality-card .divider {
  background: #2a2a28;
}

#personality-card .compat-line {
  color: #f5f4f0;
}

/* ── Generate another ── */

#generate-another {
  font-size: 12px;
  color: var(--mid-gray);
  text-decoration: underline;
  cursor: pointer;
}

#generate-another:hover {
  color: var(--ink);
}

/* ── Landing page ── */

body.landing {
  display: block;
  padding: 0;
  background: #f5f4f0;
  color: #0e0e0c;
  font-family: 'Instrument Sans', sans-serif;
  min-height: 100vh;
}

/* Fade-in on scroll */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Hero ── */

.lp-hero {
  background: #0e0e0c;
  padding: 96px 40px 112px;
  text-align: center;
}

.lp-hero-inner {
  max-width: 560px;
  margin: 0 auto;
}

.st-hero {
  background: #0e0e0c;
  color: #f5f4f0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  padding: 60px 40px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-sizing: border-box;
}

.hero-top {
  width: 100%;
  text-align: center;
}

.hero-middle {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  padding: 40px 0;
  max-width: 700px;
}

.lp-eyebrow {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: #5a5853;
  margin: 0 0 20px;
}

.lp-wordmark {
  font-family: 'Instrument Serif', serif;
  font-size: 80px;
  font-weight: 400;
  color: #f5f4f0;
  margin: 0 0 20px;
}

.lp-headline {
  font-family: 'Instrument Serif', serif;
  font-size: 22px;
  font-weight: 400;
  color: #f5f4f0;
  line-height: 1.4;
  margin: 0 auto;
  max-width: 480px;
}

.lp-subtitle {
  font-family: 'Instrument Sans', sans-serif;
  font-size: 16px;
  color: #9e9b94;
  margin: 16px auto 0;
  max-width: 460px;
  line-height: 1.5;
}

.st-hero-wordmark {
  font-family: 'Instrument Serif', serif;
  font-size: 96px;
  line-height: 1;
  margin: 0 0 20px;
  color: #f5f4f0;
  letter-spacing: 0.02em;
}

.st-hero-headline {
  font-size: 26px;
  max-width: 700px;
  line-height: 1.35;
  margin: 0 auto 16px;
}

.st-hero-sub {
  font-size: 17px;
  max-width: 560px;
  line-height: 1.6;
  margin: 0 auto 28px;
  color: #9e9b94;
}

.st-evidence {
  max-width: 420px;
  margin: 0 auto;
}

.st-btn {
  margin: 0;
}

.lp-btn-hero {
  display: inline-block;
  background: #f5f4f0;
  color: #0e0e0c;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.05em;
  padding: 12px 28px;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  margin-top: 32px;
}

.lp-btn-hero:hover {
  opacity: 0.88;
}

.lp-evidence {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  color: #5a5853;
  max-width: 420px;
  margin: 24px auto 0;
  line-height: 1.6;
  border-left: 2px solid #2a2a28;
  padding-left: 12px;
  text-align: left;
}

.lp-error {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  color: #b3261e;
  margin: 16px 0 0;
}

/* ── How it works ── */

.lp-how {
  background: #f5f4f0;
  padding: 80px 40px;
}

.lp-how-inner {
  max-width: 680px;
  margin: 0 auto;
}

.lp-section-label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: #9e9b94;
  text-transform: uppercase;
  margin: 0 0 12px;
}

.lp-label-dark {
  color: #5a5853;
}

.lp-section-title {
  font-family: 'Instrument Serif', serif;
  font-size: 36px;
  font-weight: 400;
  color: #0e0e0c;
  margin: 0 0 48px;
}

.lp-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.lp-step-num {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  color: #9e9b94;
  margin: 0 0 12px;
}

.lp-step-title {
  font-family: 'Instrument Serif', serif;
  font-size: 22px;
  font-weight: 400;
  color: #0e0e0c;
  margin: 0 0 8px;
}

.lp-step-desc {
  font-family: 'Instrument Sans', sans-serif;
  font-size: 14px;
  color: #6e6c67;
  line-height: 1.6;
  margin: 0;
}

/* ── Sample flip cards ── */

.lp-cards-section {
  background: #0e0e0c;
  padding: 80px 40px;
  text-align: center;
}

.lp-flip-cards {
  display: flex;
  gap: 24px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 40px;
}

.lp-flip-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  perspective: 1000px;
}

.lp-flip-card {
  position: relative;
  width: 280px;
  height: 420px;
  cursor: pointer;
  transform-style: preserve-3d;
}

.lp-flip-front,
.lp-flip-back {
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 20px;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  transition: transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.lp-flip-front {
  border: 1px solid #2a2a28;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  transform: rotateY(0deg);
}

.lp-flip-back {
  background: #f5f4f0;
  border: 1px solid #dedad2;
  transform: rotateY(180deg);
  padding: 20px;
  overflow-y: auto;
  text-align: left;
}

.lp-flip-card.is-flipped .lp-flip-front {
  transform: rotateY(-180deg);
}

.lp-flip-card.is-flipped .lp-flip-back {
  transform: rotateY(0deg);
}

.lp-front-overlay {
  padding: 0 20px 16px;
  display: flex;
  flex-direction: column;
}

.lp-front-name {
  font-family: 'Instrument Serif', serif;
  font-size: 32px;
  color: #f5f4f0;
  line-height: 1;
}

.lp-front-meta {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  color: #9e9b94;
  margin-top: 4px;
}

.lp-front-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 20px;
  border-top: 1px solid #2a2a28;
}

.lp-front-num {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
  color: #5a5853;
}

.lp-front-hint {
  font-family: 'Instrument Serif', serif;
  font-style: italic;
  font-size: 12px;
  color: #9e9b94;
}

.lp-back-num {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
  color: #9e9b94;
  letter-spacing: 0.08em;
  margin: 0 0 4px;
}

.lp-back-name {
  font-family: 'Instrument Serif', serif;
  font-size: 30px;
  font-weight: 400;
  color: #0e0e0c;
  margin: 0;
}

.lp-back-meta {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  color: #9e9b94;
  margin: 2px 0 0;
}

.lp-back-divider {
  height: 1px;
  background: #dedad2;
  margin: 12px 0;
}

.lp-clusters-label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 9px;
  letter-spacing: 0.1em;
  color: #9e9b94;
  text-transform: uppercase;
  margin: 0 0 8px;
}

.lp-cluster-row {
  display: flex;
  gap: 8px;
  margin-bottom: 10px;
}

.lp-cluster-bar {
  flex-shrink: 0;
  width: 3px;
  border-radius: 2px;
  background: #0e0e0c;
}

.lp-cluster-name {
  font-family: 'Instrument Serif', serif;
  font-size: 13px;
  color: #0e0e0c;
  margin: 0 0 2px;
}

.lp-cluster-channels {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 9px;
  color: #9e9b94;
  margin: 0;
  line-height: 1.5;
}

.lp-sig-name {
  font-family: 'Instrument Serif', serif;
  font-size: 18px;
  color: #0e0e0c;
  margin: 0;
}

.lp-card-label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
  color: #5a5853;
  margin: 12px 0 0;
}

.lp-flip-btn {
  background: transparent;
  border: 1px solid #3a3a38;
  color: #9e9b94;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  padding: 8px 16px;
  border-radius: 20px;
  cursor: pointer;
  margin-top: 12px;
}

.lp-flip-btn:hover {
  border-color: #5a5853;
  color: #f5f4f0;
}

/* ── What you get ── */

.lp-what {
  background: #f5f4f0;
  padding: 80px 40px;
}

.lp-what-inner {
  max-width: 680px;
  margin: 0 auto;
}

.lp-items-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.lp-item {
  display: flex;
  gap: 12px;
  padding: 16px 0;
  border-bottom: 1px solid #dedad2;
}

.lp-checkmark {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  color: #0e0e0c;
  flex-shrink: 0;
  margin-top: 2px;
}

.lp-item-name {
  font-family: 'Instrument Sans', sans-serif;
  font-size: 15px;
  font-weight: 500;
  color: #0e0e0c;
  margin: 0 0 4px;
}

.lp-item-desc {
  font-family: 'Instrument Sans', sans-serif;
  font-size: 13px;
  color: #6e6c67;
  margin: 0;
  line-height: 1.5;
}

.lp-cta-block {
  text-align: center;
  margin-top: 48px;
}

.lp-btn-dark {
  display: inline-block;
  background: #0e0e0c;
  color: #f5f4f0;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.05em;
  padding: 14px 32px;
  border-radius: 6px;
  border: none;
  cursor: pointer;
}

.lp-btn-dark:hover {
  opacity: 0.85;
}

.lp-cta-fine {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  color: #5a5853;
  margin: 12px 0 0;
}

/* ── Footer ── */

.lp-footer {
  background: #0e0e0c;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 32px 40px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  color: #5a5853;
}

/* ── Typewriter cursor ── */

.type-cursor {
  display: inline-block;
  color: #5a5853;
  animation: cursor-blink 1s step-end infinite;
  margin-left: 1px;
}

@keyframes cursor-blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

/* ── Hero logo ── */

.hero-logo {
  margin-top: 0;
  margin-bottom: 16px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-logo img {
  width: 112px;
  height: 112px;
  opacity: 0.5;
  filter: brightness(0) invert(1);
}

/* ── Mobile ── */

@media (max-width: 768px) {
  .lp-hero {
    padding: 64px 20px 80px;
  }

  .lp-wordmark {
    font-size: 52px;
  }

  .lp-headline {
    font-size: 24px;
  }

  .st-hero {
    justify-content: center;
    gap: 40px;
    padding: 40px 24px 36px;
  }

  .st-hero-wordmark {
    font-size: 56px;
  }

  .st-hero-headline {
    font-size: 20px;
  }

  .st-hero-sub {
    font-size: 15px;
  }

  .hero-logo img {
    width: 88px;
    height: 88px;
  }

  .lp-how {
    padding: 64px 20px;
  }

  .lp-steps {
    grid-template-columns: 1fr;
  }

  .lp-cards-section {
    padding: 64px 20px;
  }

  .lp-flip-cards {
    flex-direction: column;
    align-items: center;
  }

  .lp-what {
    padding: 64px 20px;
  }

  .lp-items-grid {
    grid-template-columns: 1fr;
  }

  .lp-footer {
    padding: 24px 20px;
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
}