/* ==========================================================================
 * HandyMiner — public landing page styles.
 *
 * Mirrors the in-app dark theme (services/test-webapp/app/globals.css) so
 * the marketing surface and the signed-in product feel like one thing.
 * ========================================================================== */

:root {
  --bg:          #0b0d12;
  --surface:    #14171f;
  --surface-2:  #1b2030;
  --border:     #242a38;
  --muted:      #5a6478;
  --text:       #e6e8ef;
  --text-dim:   #9ba3b4;
  --accent:     #6aa9ff;
  --accent-rgb: 106, 169, 255;
  --thinking:   #b884ff;
  --ok:         #42d18a;

  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

::selection {
  background: rgba(var(--accent-rgb), 0.32);
  color: #fff;
}

/* ==========================================================================
 * Buttons (port of .btn / .btn-primary from the in-app surface)
 * ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 20px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.01em;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, transform 0.12s ease, box-shadow 0.15s ease;
  text-decoration: none;
}

.btn:hover {
  background: var(--surface);
  border-color: rgba(var(--accent-rgb), 0.4);
  text-decoration: none;
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background: linear-gradient(135deg, rgba(var(--accent-rgb), 0.95), rgba(var(--accent-rgb), 0.75));
  border-color: var(--accent);
  color: #0b0d12;
  box-shadow:
    0 0 0 1px rgba(var(--accent-rgb), 0.25),
    0 10px 30px rgba(var(--accent-rgb), 0.18);
}

.btn-primary:hover {
  background: linear-gradient(135deg, rgba(var(--accent-rgb), 1), rgba(var(--accent-rgb), 0.85));
  box-shadow:
    0 0 0 1px rgba(var(--accent-rgb), 0.45),
    0 14px 40px rgba(var(--accent-rgb), 0.28);
  color: #0b0d12;
}

.btn-ghost {
  background: transparent;
}

/* ==========================================================================
 * Hero (port of .landing-* in-app primitives)
 * ========================================================================== */

.landing-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 64px 20px 40px;
  background:
    radial-gradient(900px 540px at 78% -8%, rgba(106,169,255,0.10), transparent 60%),
    radial-gradient(720px 460px at -12% 108%, rgba(184,132,255,0.07), transparent 55%),
    radial-gradient(540px 320px at 50% 90%, rgba(66,209,138,0.04), transparent 60%),
    var(--bg);
}

.landing-hero {
  width: 100%;
  max-width: 580px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  text-align: center;
  animation: landing-fade-in 0.6s ease-out both;
}

.landing-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  border-radius: 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--accent);
  box-shadow:
    0 0 32px rgba(106,169,255,0.18),
    0 18px 48px rgba(0,0,0,0.45);
  animation: landing-pulse 3.2s ease-in-out infinite;
}

.auth-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin: 0;
}

.auth-brand-shimmer {
  position: relative;
  overflow: hidden;
  font-size: 14px;
  letter-spacing: 0.18em;
  color: var(--accent);
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 6px;
}

.auth-brand-shimmer::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    100deg,
    transparent 30%,
    rgba(var(--accent-rgb), 0.22) 50%,
    transparent 70%
  );
  transform: translateX(-100%);
  animation: brand-shimmer 3.4s ease-in-out infinite;
  pointer-events: none;
}

.landing-brand {
  margin: 0;
  letter-spacing: 0.12em;
}

.landing-title {
  font-size: clamp(34px, 5.4vw, 52px);
  margin: 4px 0 0;
  letter-spacing: -0.01em;
  font-weight: 700;
  line-height: 1.08;
  background: linear-gradient(135deg, var(--text) 30%, var(--accent) 70%, var(--thinking) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.landing-tagline {
  margin: 0;
  font-size: 17px;
  color: var(--text-dim);
  letter-spacing: 0.02em;
  max-width: 460px;
}

.landing-cta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 6px;
}

.landing-cta {
  padding: 13px 28px;
  font-size: 14px;
  letter-spacing: 0.02em;
  border-radius: 10px;
  min-width: 160px;
}

.landing-meta {
  margin: 14px 0 0;
  color: var(--text-dim);
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* "How it learns" loop */
.landing-learn {
  width: 100%;
  margin-top: 18px;
  padding: 18px 20px 16px;
  background: linear-gradient(
    180deg,
    rgba(var(--accent-rgb), 0.05) 0%,
    rgba(var(--accent-rgb), 0.02) 100%
  );
  border: 1px solid rgba(var(--accent-rgb), 0.22);
  border-radius: 12px;
  text-align: center;
}

.landing-learn-eyebrow {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
}

.landing-learn-steps {
  list-style: none;
  margin: 0 0 12px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px 12px;
}

.landing-learn-steps li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text);
  line-height: 1.3;
}

.landing-learn-num {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(var(--accent-rgb), 0.18);
  border: 1px solid rgba(var(--accent-rgb), 0.45);
  color: var(--accent);
  font-size: 11px;
  font-weight: 700;
  font-family: var(--mono);
}

.landing-learn-arrow {
  color: var(--accent);
  font-size: 14px;
  opacity: 0.6;
}

.landing-learn-foot {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--text-dim);
  max-width: 460px;
  margin-left: auto;
  margin-right: auto;
}

@media (max-width: 480px) {
  .landing-learn-steps {
    flex-direction: column;
    gap: 8px;
  }
  .landing-learn-arrow {
    transform: rotate(90deg);
  }
}

/* ==========================================================================
 * Sections (How it works / Built for / Pricing / Final CTA)
 * ========================================================================== */

.section {
  padding: 96px 20px;
  border-top: 1px solid var(--border);
  position: relative;
}

.section-quiet {
  background: linear-gradient(180deg, transparent, rgba(var(--accent-rgb), 0.03));
}

.section-inner {
  max-width: 1080px;
  margin: 0 auto;
}

.section-eyebrow {
  margin: 0 0 12px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
}

.section-title {
  margin: 0 0 14px;
  font-size: clamp(26px, 3.4vw, 36px);
  letter-spacing: -0.01em;
  font-weight: 700;
  line-height: 1.18;
  max-width: 820px;
}

.section-sub {
  margin: 0 0 36px;
  font-size: 16px;
  color: var(--text-dim);
  max-width: 720px;
  line-height: 1.6;
}

/* Feature grid (How it works) */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
  margin-top: 8px;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px 22px 22px;
  transition: border-color 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
}

.feature-card:hover {
  border-color: rgba(var(--accent-rgb), 0.4);
  transform: translateY(-2px);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
}

.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(var(--accent-rgb), 0.10);
  border: 1px solid rgba(var(--accent-rgb), 0.28);
  color: var(--accent);
  margin-bottom: 16px;
}

.feature-card h3 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.005em;
}

.feature-card p {
  margin: 0;
  color: var(--text-dim);
  font-size: 14px;
  line-height: 1.6;
}

.feature-card em {
  color: var(--accent);
  font-style: normal;
  font-weight: 600;
}

/* Trade grid */
.trade-grid {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 10px;
}

.trade-grid li {
  padding: 14px 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 14px;
  color: var(--text);
  transition: border-color 0.15s ease, color 0.15s ease;
}

.trade-grid li:hover {
  border-color: rgba(var(--accent-rgb), 0.45);
  color: var(--accent);
}

/* ==========================================================================
 * Pricing
 * ========================================================================== */

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
  margin-top: 12px;
}

.pricing-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 28px 24px 26px;
  display: flex;
  flex-direction: column;
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.pricing-card:hover {
  border-color: rgba(var(--accent-rgb), 0.4);
  transform: translateY(-2px);
}

.pricing-card-featured {
  border-color: rgba(var(--accent-rgb), 0.55);
  background:
    linear-gradient(180deg, rgba(var(--accent-rgb), 0.08), transparent 60%),
    var(--surface);
  box-shadow: 0 0 0 1px rgba(var(--accent-rgb), 0.18), 0 22px 50px rgba(0, 0, 0, 0.4);
}

.pricing-badge {
  position: absolute;
  top: -10px;
  left: 24px;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(var(--accent-rgb), 0.15);
  border: 1px solid rgba(var(--accent-rgb), 0.45);
  padding: 4px 9px;
  border-radius: 6px;
}

.pricing-card h3 {
  margin: 0 0 12px;
  font-size: 16px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-dim);
  font-weight: 600;
}

.pricing-price {
  margin: 0 0 8px;
  display: baseline;
}

.pricing-amount {
  font-size: 38px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
}

.pricing-unit {
  font-size: 14px;
  color: var(--text-dim);
  margin-left: 4px;
}

.pricing-tag {
  margin: 0 0 18px;
  font-size: 13.5px;
  color: var(--text-dim);
  line-height: 1.5;
  min-height: 42px;
}

.pricing-features {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}

.pricing-features li {
  position: relative;
  padding-left: 22px;
  font-size: 14px;
  color: var(--text);
  line-height: 1.5;
}

.pricing-features li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 12px;
  height: 7px;
  border-left: 2px solid var(--accent);
  border-bottom: 2px solid var(--accent);
  transform: rotate(-45deg);
}

.pricing-cta {
  width: 100%;
  margin-top: auto;
}

.pricing-foot {
  margin: 28px 0 0;
  font-size: 13px;
  color: var(--text-dim);
  text-align: center;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

/* ==========================================================================
 * Final CTA section
 * ========================================================================== */

.section-final {
  background:
    radial-gradient(700px 360px at 50% 0%, rgba(var(--accent-rgb), 0.10), transparent 60%),
    var(--bg);
  text-align: center;
}

.section-final-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.section-final .section-title,
.section-final .section-sub {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-final .landing-cta {
  margin-top: 8px;
}

/* ==========================================================================
 * Footer
 * ========================================================================== */

.footer {
  padding: 36px 20px 48px;
  border-top: 1px solid var(--border);
  background: var(--bg);
}

.footer-inner {
  max-width: 1080px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text);
}

.footer-brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--accent);
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
}

.footer-nav a {
  color: var(--text-dim);
  font-size: 13.5px;
  letter-spacing: 0.02em;
}

.footer-nav a:hover {
  color: var(--accent);
  text-decoration: none;
}

.footer-meta {
  margin: 0;
  font-size: 12.5px;
  color: var(--muted);
  width: 100%;
  text-align: center;
  padding-top: 14px;
  border-top: 1px dashed var(--border);
}

@media (max-width: 720px) {
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }
  .footer-meta { text-align: left; }
}

/* ==========================================================================
 * Legal pages (terms.html / privacy.html)
 * ========================================================================== */

.legal-page {
  max-width: 760px;
  margin: 0 auto;
  padding: 80px 24px 96px;
  font-size: 15px;
  line-height: 1.7;
}

.legal-page h1 {
  font-size: clamp(28px, 4vw, 40px);
  letter-spacing: -0.01em;
  margin: 0 0 4px;
}

.legal-page .legal-updated {
  margin: 0 0 32px;
  color: var(--text-dim);
  font-size: 13px;
  font-family: var(--mono);
  letter-spacing: 0.04em;
}

.legal-page h2 {
  margin: 32px 0 8px;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.005em;
}

.legal-page p,
.legal-page ul {
  margin: 0 0 14px;
  color: var(--text);
}

.legal-page ul {
  padding-left: 22px;
}

.legal-page a.legal-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 32px;
  font-size: 13px;
  font-family: var(--mono);
  color: var(--text-dim);
  letter-spacing: 0.04em;
}

.legal-page a.legal-back:hover {
  color: var(--accent);
  text-decoration: none;
}

/* ==========================================================================
 * Animations
 * ========================================================================== */

@keyframes landing-fade-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes landing-pulse {
  0%, 100% {
    box-shadow:
      0 0 32px rgba(106,169,255,0.18),
      0 18px 48px rgba(0,0,0,0.45);
    transform: scale(1);
  }
  50% {
    box-shadow:
      0 0 56px rgba(106,169,255,0.36),
      0 18px 64px rgba(0,0,0,0.55);
    transform: scale(1.02);
  }
}

@keyframes brand-shimmer {
  0%   { transform: translateX(-100%); }
  60%  { transform: translateX(100%); }
  100% { transform: translateX(100%); }
}

@media (prefers-reduced-motion: reduce) {
  .landing-logo,
  .auth-brand-shimmer::after {
    animation: none;
  }
  html { scroll-behavior: auto; }
}