/* YOTTA LANDING PAGE — Dark Premium Terminal Aesthetic */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --gold: #D4AF37;
  --gold-dim: rgba(212, 175, 55, 0.6);
  --gold-glow: rgba(212, 175, 55, 0.15);
  --navy: #000814;
  --navy-mid: #001F3F;
  --dark: #000000;
  --text: #E2E8F0;
  --text-dim: #94A3B8;
  --text-muted: #64748B;
  --border: rgba(212, 175, 55, 0.15);
  --card-bg: rgba(255, 255, 255, 0.03);
  --danger: #f87171;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--dark);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ─── HERO ─────────────────────────────────────── */

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background: linear-gradient(180deg, var(--navy) 0%, var(--dark) 100%);
}

.hero-content {
  text-align: center;
  z-index: 2;
}

.logo-ring {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  border: 2px solid var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
}

.logo-letter {
  color: var(--gold);
  font-size: 32px;
  font-weight: 200;
}

.hero-title {
  font-size: 48px;
  font-weight: 200;
  letter-spacing: 16px;
  color: #FFF;
  margin-bottom: 8px;
}

.hero-subtitle {
  font-size: 11px;
  letter-spacing: 4px;
  color: var(--gold-dim);
  margin-bottom: 40px;
}

.hero-tagline {
  font-size: 18px;
  font-weight: 300;
  color: var(--text-dim);
  max-width: 500px;
  margin: 0 auto 12px;
}

.hero-powered {
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--text-muted);
  margin-bottom: 48px;
  text-transform: uppercase;
}

.cta-button {
  display: inline-block;
  padding: 16px 40px;
  background: var(--gold);
  color: #000;
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 2px;
  text-decoration: none;
  transition: all 0.3s ease;
}

.cta-button:hover {
  background: #FFF;
  color: #000;
  transform: translateY(-1px);
}

.hero-fade {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 120px;
  background: linear-gradient(transparent, var(--dark));
}

/* ─── SECTIONS ─────────────────────────────────── */

.section {
  padding: 100px 0;
}

.section-dark {
  background: var(--navy);
}

.section-title {
  font-size: 28px;
  font-weight: 200;
  letter-spacing: 4px;
  color: #FFF;
  margin-bottom: 24px;
  text-align: center;
  text-transform: uppercase;
}

.section-body {
  font-size: 15px;
  color: var(--text-dim);
  text-align: center;
  max-width: 600px;
  margin: 0 auto 16px;
  line-height: 1.8;
}

.section-body strong {
  color: var(--gold);
}

/* ─── PILLARS ─────────────────────────────────── */

.pillars {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 32px;
  margin-top: 48px;
}

.pillar {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 32px 24px;
}

.pillar-icon {
  color: var(--gold);
  font-size: 24px;
  font-weight: 900;
  margin-bottom: 16px;
}

.pillar-title {
  color: #FFF;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.pillar-body {
  color: var(--text-dim);
  font-size: 13px;
  line-height: 1.7;
}

/* ─── DISCLAIMER ─────────────────────────────── */

.disclaimer-card {
  background: var(--gold-glow);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 32px;
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.disclaimer-title {
  color: var(--gold);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 3px;
  margin-bottom: 12px;
}

.disclaimer-body {
  color: var(--text-dim);
  font-size: 13px;
  line-height: 1.8;
}

/* ─── NDA / ACCESS ────────────────────────────── */

.access-intro {
  margin-bottom: 40px;
}

.nda-container {
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 32px;
  overflow: hidden;
}

.nda-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  background: var(--card-bg);
  cursor: pointer;
  user-select: none;
}

.nda-header-text {
  color: var(--gold);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 2px;
}

.nda-expand {
  color: var(--text-muted);
  font-size: 9px;
  letter-spacing: 1px;
}

.nda-body {
  padding: 24px 20px;
  background: rgba(0, 0, 0, 0.4);
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
  padding-top: 0;
  padding-bottom: 0;
}

.nda-body.expanded {
  max-height: 800px;
  padding: 24px 20px;
}

.nda-body p {
  color: var(--text-dim);
  font-size: 12px;
  line-height: 1.7;
}

.nda-body strong {
  color: var(--text);
}

.nda-body em {
  color: var(--gold-dim);
}

/* ─── FORM ────────────────────────────────────── */

.access-form {
  max-width: 440px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  color: var(--gold);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 2px;
  margin-bottom: 8px;
}

.form-input {
  width: 100%;
  padding: 14px 16px;
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid var(--gold);
  color: #FFF;
  font-size: 14px;
  font-family: 'Inter', sans-serif;
  outline: none;
  transition: border-color 0.2s;
}

.form-input:focus {
  border-color: #FFF;
}

.form-input::placeholder {
  color: var(--text-muted);
}

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 24px;
}

.checkbox {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  accent-color: var(--gold);
  cursor: pointer;
}

.checkbox-label {
  color: var(--text-dim);
  font-size: 13px;
  cursor: pointer;
  line-height: 1.5;
}

.submit-button {
  width: 100%;
  padding: 16px;
  background: var(--gold);
  color: #000;
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 2px;
  border: none;
  cursor: pointer;
  transition: all 0.3s;
}

.submit-button:hover:not(:disabled) {
  background: #FFF;
}

.submit-button:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.form-note {
  text-align: center;
  color: var(--text-muted);
  font-size: 11px;
  margin-top: 12px;
}

/* ─── MODAL ───────────────────────────────────── */

.modal-overlay {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.85);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-overlay.active {
  display: flex;
}

.modal {
  background: var(--navy);
  border: 1px solid var(--gold);
  border-radius: 8px;
  max-width: 480px;
  width: 100%;
  overflow: hidden;
}

.modal-header {
  padding: 20px 24px;
  background: var(--gold-glow);
  color: var(--gold);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 2px;
  border-bottom: 1px solid var(--border);
}

.modal-body {
  padding: 24px;
}

.modal-body p {
  color: var(--text-dim);
  font-size: 13px;
  line-height: 1.7;
}

.modal-body strong {
  color: #FFF;
}

.modal-email {
  color: var(--text-muted);
  font-size: 12px;
}

.modal-actions {
  display: flex;
  gap: 12px;
  padding: 16px 24px 24px;
}

.modal-btn {
  flex: 1;
  padding: 14px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  border: none;
  cursor: pointer;
  font-family: 'Inter', sans-serif;
}

.modal-btn-cancel {
  background: transparent;
  border: 1px solid var(--text-muted);
  color: var(--text-muted);
}

.modal-btn-cancel:hover {
  border-color: #FFF;
  color: #FFF;
}

.modal-btn-confirm {
  background: var(--gold);
  color: #000;
}

.modal-btn-confirm:hover {
  background: #FFF;
}

/* ─── DOWNLOAD ────────────────────────────────── */

.download-section {
  max-width: 440px;
  margin: 0 auto;
  text-align: center;
}

.download-success {
  margin-bottom: 32px;
}

.check-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(74, 222, 128, 0.15);
  border: 2px solid #4ade80;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  color: #4ade80;
  font-size: 20px;
}

.download-title {
  color: #4ade80;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 3px;
  margin-bottom: 8px;
}

.download-subtitle {
  color: var(--text-dim);
  font-size: 14px;
}

.download-button {
  display: block;
  padding: 20px;
  background: var(--gold);
  color: #000;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 2px;
  text-decoration: none;
  text-align: center;
  margin-bottom: 24px;
  transition: all 0.3s;
}

.download-button:hover {
  background: #FFF;
  transform: translateY(-1px);
}

.download-meta {
  display: block;
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 1px;
  margin-top: 6px;
  opacity: 0.7;
}

.ios-notice {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
}

.ios-title {
  color: var(--text);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 4px;
}

.ios-body {
  color: var(--text-muted);
  font-size: 12px;
}

/* ─── FOOTER ──────────────────────────────────── */

.footer {
  padding: 60px 0;
  border-top: 1px solid var(--border);
  background: var(--dark);
}

.footer-content {
  text-align: center;
}

.footer-brand {
  margin-bottom: 24px;
}

.footer-logo {
  color: var(--gold);
  font-size: 18px;
  font-weight: 200;
  margin-right: 8px;
}

.footer-name {
  color: #FFF;
  font-size: 14px;
  font-weight: 200;
  letter-spacing: 6px;
  margin-right: 12px;
}

.footer-powered {
  color: var(--text-muted);
  font-size: 10px;
  letter-spacing: 1px;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.footer-link {
  color: var(--text-dim);
  font-size: 12px;
  text-decoration: none;
  transition: color 0.2s;
}

.footer-link:hover {
  color: var(--gold);
}

.footer-copy {
  color: var(--text-muted);
  font-size: 11px;
  margin-bottom: 4px;
}

.footer-trademarks {
  color: #334155;
  font-size: 9px;
}

/* ─── RESPONSIVE ──────────────────────────────── */

@media (max-width: 600px) {
  .hero-title {
    font-size: 32px;
    letter-spacing: 10px;
  }
  .hero-tagline {
    font-size: 15px;
    padding: 0 20px;
  }
  .pillars {
    grid-template-columns: 1fr;
  }
  .section {
    padding: 60px 0;
  }
  .footer-links {
    flex-direction: column;
    gap: 12px;
  }
}
