@import url('https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&display=swap');
@import url('https://api.fontshare.com/v2/css?f[]=satoshi@400,500,600,700&display=swap');

:root {
  --bg: #F5F0E8;
  --bg-card: #FAF7F0;
  --bg-elevated: #FFFFFF;
  --ink: #1A1714;
  --ink-mid: #4A4540;
  --ink-light: #8A8478;
  --ink-faint: #B8B0A4;
  --accent: #C13B3B;
  --accent-hover: #A83232;
  --accent-soft: #E8D0D0;
  --accent-softer: #F2E0E0;
  --reading: #6B7B8A;
  --border: rgba(0, 0, 0, 0.08);
  --border-strong: rgba(0, 0, 0, 0.14);
  --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.05);
  --shadow-popup: 0 8px 24px rgba(0, 0, 0, 0.12);
  --font-heading: "Instrument Serif", ui-serif, Georgia, serif;
  --font-body: "Satoshi", -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --font-jp: "Hiragino Sans", "Noto Sans JP", sans-serif;
  --font-mono: ui-monospace, "SF Mono", "Cascadia Code", monospace;
}

html.dark {
  --bg: #1C1917;
  --bg-card: #262220;
  --bg-elevated: #302C28;
  --ink: #E8E0D4;
  --ink-mid: #C4BAA8;
  --ink-light: #8A8478;
  --ink-faint: #5A5448;
  --accent: #D4524F;
  --accent-hover: #E06460;
  --accent-soft: #3D2626;
  --accent-softer: #2E1F1F;
  --reading: #7E9AAD;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);
  --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.2);
  --shadow-popup: 0 8px 24px rgba(0, 0, 0, 0.3);
}

@media (prefers-color-scheme: dark) {
  html:not(.light) {
    --bg: #1C1917;
    --bg-card: #262220;
    --bg-elevated: #302C28;
    --ink: #E8E0D4;
    --ink-mid: #C4BAA8;
    --ink-light: #8A8478;
    --ink-faint: #5A5448;
    --accent: #D4524F;
    --accent-hover: #E06460;
    --accent-soft: #3D2626;
    --accent-softer: #2E1F1F;
    --reading: #7E9AAD;
    --border: rgba(255, 255, 255, 0.08);
    --border-strong: rgba(255, 255, 255, 0.14);
    --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.2);
    --shadow-popup: 0 8px 24px rgba(0, 0, 0, 0.3);
  }
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  font-family: var(--font-body);
  color: var(--ink-mid);
  background: var(--bg);
  line-height: 1.6;
  font-size: 16px;
  padding-top: 64px;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--ink);
  line-height: 1.2;
  font-weight: 400;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s ease;
}
a:hover { color: var(--accent-hover); }

img { max-width: 100%; display: block; }

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

ruby { ruby-align: center; }
rt {
  color: var(--reading);
  font-size: 0.45em;
  font-weight: 400;
  font-family: var(--font-jp);
}

/* Layout */

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 56px 0;
}

@media (min-width: 768px) {
  .section { padding: 80px 0; }
}

/* Navigation */

.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
}

.nav-logo span {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 400;
}

.nav-logo img {
  width: 32px;
  height: 32px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links a:not(.btn-primary):not(.btn-sm) {
  color: var(--ink-mid);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  transition: color 0.2s ease;
}

.nav-links a:not(.btn-primary):not(.btn-sm):hover {
  color: var(--ink);
}

.dark-toggle {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  color: var(--ink-mid);
  transition: background 0.2s ease, color 0.2s ease;
}

.dark-toggle:hover {
  background: var(--bg-card);
  color: var(--ink);
}

.dark-toggle .icon-moon { display: none; }
html.dark .dark-toggle .icon-sun { display: none; }
html.dark .dark-toggle .icon-moon { display: block; }

@media (prefers-color-scheme: dark) {
  html:not(.light) .dark-toggle .icon-sun { display: none; }
  html:not(.light) .dark-toggle .icon-moon { display: block; }
}

@media (max-width: 640px) {
  .nav-links { gap: 16px; }
  .nav-links a:not(.btn-primary):not(.btn-sm) { font-size: 13px; }
}

/* Buttons */

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--accent);
  color: #fff;
  padding: 14px 28px;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 600;
  font-family: var(--font-body);
  transition: background 0.2s ease, transform 0.15s ease;
  text-decoration: none;
  border: none;
  cursor: pointer;
}
.btn-primary:hover {
  background: var(--accent-hover);
  color: #fff;
  transform: translateY(-1px);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: transparent;
  color: var(--ink);
  padding: 14px 28px;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 500;
  font-family: var(--font-body);
  border: 1.5px solid var(--border-strong);
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.15s ease;
  text-decoration: none;
  cursor: pointer;
}
.btn-secondary:hover {
  background: var(--bg-card);
  border-color: var(--ink-faint);
  color: var(--ink);
  transform: translateY(-1px);
}

.btn-sm {
  padding: 10px 20px;
  font-size: 14px;
  border-radius: 10px;
}

/* Cards */

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.card-hover:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}

/* Eyebrow */

.eyebrow {
  font-family: var(--font-body);
  font-size: 11px;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--accent);
}

/* Badges */

.badge-onetime {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-softer);
  padding: 4px 10px;
  border-radius: 6px;
}

.badge-subscription {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--reading);
  background: color-mix(in srgb, var(--reading) 12%, transparent);
  padding: 4px 10px;
  border-radius: 6px;
}

/* Price */

.price {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 28px;
  color: var(--ink);
}

.price-period {
  font-size: 14px;
  font-weight: 400;
  color: var(--ink-light);
}

/* Phone Frame */

.phone-frame {
  aspect-ratio: 9 / 19.5;
  max-width: 280px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-faint);
  font-size: 14px;
  font-weight: 500;
  padding: 20px;
  text-align: center;
}

.phone-frame-sm {
  max-width: 200px;
  border-radius: 22px;
  font-size: 12px;
}

/* Forms */

input[type="text"],
input[type="email"] {
  width: 100%;
  background: var(--bg);
  border: 1.5px solid var(--border-strong);
  border-radius: 10px;
  padding: 12px 16px;
  color: var(--ink);
  font-size: 15px;
  font-family: var(--font-body);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  outline: none;
}

input[type="text"]:focus,
input[type="email"]:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-softer);
}

input::placeholder {
  color: var(--ink-faint);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
}

.form-error {
  font-size: 13px;
  color: var(--accent);
}

.form-note {
  font-size: 13px;
  color: var(--ink-light);
  margin-top: 12px;
}

.form-success {
  font-size: 13px;
  color: #2D8A4E;
  font-weight: 500;
}

html.dark .form-success {
  color: #5CB87A;
}

/* Purchase Lookup */

.purchase-lookup {
  max-width: 560px;
}

.purchase-lookup h3 {
  font-family: var(--font-body);
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 6px;
}

.purchase-lookup > p {
  font-size: 14px;
  color: var(--ink-light);
  margin-bottom: 16px;
}

.lookup-form {
  margin-bottom: 0;
}

.lookup-input-group {
  display: flex;
  gap: 8px;
}

.lookup-input-group input {
  flex: 1;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.5px;
}

.purchase-results {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.purchase-results .no-results {
  font-size: 14px;
  color: var(--ink-light);
  text-align: center;
  padding: 12px 0;
}

.purchase-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  font-size: 14px;
  color: var(--ink);
}

.purchase-item svg {
  color: var(--accent);
  flex-shrink: 0;
}

.purchase-item .purchase-date {
  margin-left: auto;
  font-size: 12px;
  color: var(--ink-light);
}

/* Steps */

.activation-steps {
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.step {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: center;
}

@media (min-width: 768px) {
  .step {
    grid-template-columns: 1fr 240px;
    gap: 48px;
  }
  .step:nth-child(even) {
    direction: rtl;
  }
  .step:nth-child(even) > * {
    direction: ltr;
  }
}

.step-header {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.step-number {
  width: 32px;
  height: 32px;
  background: var(--accent);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 15px;
  flex-shrink: 0;
}

.step-content h3 {
  font-family: var(--font-body);
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

.step-content p {
  font-size: 15px;
  color: var(--ink-mid);
  line-height: 1.6;
}

.key-format {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 500;
  color: var(--ink);
  background: var(--bg);
  border: 1px solid var(--border-strong);
  padding: 8px 16px;
  border-radius: 8px;
  letter-spacing: 1px;
  margin-top: 8px;
}

/* Coming Soon */

.coming-soon {
  border: 2px dashed var(--border-strong);
  border-radius: 14px;
  padding: 40px;
  text-align: center;
}

.coming-soon p {
  color: var(--ink-faint);
  font-size: 16px;
  font-weight: 500;
}

.coming-soon .coming-soon-sub {
  font-size: 14px;
  font-weight: 400;
  margin-top: 4px;
}

/* Footer */

.site-footer {
  border-top: 1px solid var(--border);
  padding: 48px 0 32px;
  margin-top: 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

@media (min-width: 640px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
  }
}

.footer-brand p {
  font-size: 14px;
  color: var(--ink-light);
  margin-top: 12px;
  max-width: 28ch;
}

.footer-brand .nav-logo {
  margin-bottom: 4px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-links h4 {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.7px;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 4px;
}

.footer-links a {
  color: var(--ink-mid);
  font-size: 14px;
  text-decoration: none;
}
.footer-links a:hover { color: var(--ink); }

.footer-bottom {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

.footer-bottom p {
  font-size: 12px;
  color: var(--ink-faint);
}

/* Animations */

.animate-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Hero */

.hero {
  padding: 80px 0 40px;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: center;
}

@media (min-width: 768px) {
  .hero {
    padding: 100px 0 60px;
  }
  .hero-grid {
    grid-template-columns: 1fr auto;
    gap: 64px;
  }
}

.hero-text {
  max-width: 560px;
}

.hero-kanji {
  font-family: var(--font-jp), serif;
  font-size: 140px;
  font-weight: 300;
  color: var(--ink-faint);
  opacity: 0.15;
  position: absolute;
  top: 20px;
  right: 5%;
  line-height: 1;
  user-select: none;
  pointer-events: none;
}

@media (max-width: 767px) {
  .hero-kanji {
    font-size: 100px;
    top: 10px;
    right: 10px;
  }
}

.hero h1 {
  font-size: 48px;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

@media (min-width: 768px) {
  .hero h1 { font-size: 64px; }
}

.hero-sub {
  font-size: 18px;
  color: var(--ink-mid);
  line-height: 1.6;
  margin-bottom: 32px;
  max-width: 44ch;
}

.hero-sub ruby {
  font-family: var(--font-jp);
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* Features */

.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 768px) {
  .features-grid {
    grid-template-columns: 1.4fr 1fr;
    gap: 24px;
  }
}

.feature-main {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 32px;
}

.feature-main .eyebrow { margin-bottom: 12px; }

.feature-main h2 {
  font-size: 28px;
  margin-bottom: 12px;
}

.feature-main p {
  font-size: 15px;
  line-height: 1.65;
  color: var(--ink-mid);
}

.pitch-demo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 20px;
  padding: 16px;
  background: var(--bg);
  border-radius: 10px;
  border: 1px solid var(--border);
}

.pitch-word {
  font-family: var(--font-jp);
  font-size: 22px;
  color: var(--ink);
  font-weight: 500;
}

.pitch-pill {
  display: inline-flex;
  align-items: center;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 3px 8px;
  border-radius: 999px;
  line-height: 1.1;
}

.pitch-pattern {
  display: flex;
  align-items: flex-end;
  gap: 2px;
  height: 24px;
}

.pitch-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  transition: transform 0.2s ease;
}

.pitch-dot.high {
  transform: translateY(-10px);
}

.features-side {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.feature-sm {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px 24px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.feature-sm:hover {
  border-color: var(--border-strong);
  transform: translateY(-1px);
}

.feature-sm .eyebrow {
  margin-bottom: 6px;
  font-size: 10px;
}

.feature-sm h3 {
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
}

.feature-sm p {
  font-size: 14px;
  color: var(--ink-light);
  line-height: 1.5;
}

/* Teaser */

.teaser {
  text-align: center;
  max-width: 480px;
  margin: 0 auto;
}

.teaser h2 {
  font-size: 32px;
  margin-bottom: 12px;
}

.teaser p {
  font-size: 16px;
  color: var(--ink-mid);
  margin-bottom: 24px;
}

/* Addons Page */

.page-header {
  padding: 48px 0 8px;
}

.page-header .eyebrow { margin-bottom: 12px; }

.page-header h1 {
  font-size: 36px;
  margin-bottom: 12px;
}

@media (min-width: 768px) {
  .page-header h1 { font-size: 44px; }
}

.page-header p {
  font-size: 16px;
  color: var(--ink-mid);
  max-width: 48ch;
}

.addons-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 640px) {
  .addons-grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }
}

.addon-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.addon-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}

.addon-card h3 {
  font-family: var(--font-body);
  font-size: 18px;
  font-weight: 600;
}

.addon-card p {
  font-size: 14px;
  color: var(--ink-mid);
  line-height: 1.55;
  flex: 1;
}

.addon-card-featured {
  border-color: var(--accent-soft);
  background: color-mix(in srgb, var(--accent-softer) 40%, var(--bg-card));
}

.addon-card-sub {
  border-style: solid;
  border-color: color-mix(in srgb, var(--reading) 25%, var(--border));
}

.addon-card .price {
  font-size: 24px;
}

/* Section heading with icon */

.section-heading {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
}

.section-heading h2 {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.7px;
  text-transform: uppercase;
  color: var(--ink-light);
}

.section-heading svg {
  color: var(--ink-light);
}

/* Activation Reminder */

.activation-reminder {
  text-align: center;
  padding: 32px 0;
}

.activation-reminder p {
  font-size: 14px;
  color: var(--ink-light);
}

.activation-reminder a {
  font-weight: 500;
}

/* Troubleshoot Cards */

.troubleshoot-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 640px) {
  .troubleshoot-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.troubleshoot-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
}

.troubleshoot-card h3 {
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 12px;
}

.troubleshoot-card ul {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.troubleshoot-card li {
  font-size: 14px;
  color: var(--ink-mid);
  padding-left: 16px;
  position: relative;
}

.troubleshoot-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--ink-faint);
}

/* Lost Key Form */

.lost-key-card {
  max-width: 480px;
  margin: 0 auto;
}

.lost-key-card h3 {
  font-family: var(--font-body);
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

.lost-key-card > p {
  font-size: 14px;
  color: var(--ink-mid);
  margin-bottom: 20px;
}

.resend-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.resend-form .btn-primary {
  align-self: flex-start;
}

/* Contact fallback */

.contact-fallback {
  text-align: center;
  padding: 24px 0;
}

.contact-fallback p {
  font-size: 15px;
  color: var(--ink-light);
}

/* Loading spinner */

.btn-loading {
  position: relative;
  color: transparent !important;
  pointer-events: none;
}

.btn-loading::after {
  content: "";
  position: absolute;
  width: 16px;
  height: 16px;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  top: 50%;
  left: 50%;
  margin: -8px 0 0 -8px;
  color: #fff;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}