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

html {
  font-family: var(--font-family);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  min-height: 100dvh;
  background-color: var(--color-bg);
  color: var(--color-text);
  transition: background-color 0.25s ease, color 0.25s ease;
}

button,
input,
textarea {
  font: inherit;
  color: inherit;
}

a {
  color: var(--color-secondary);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 9999;
  padding: 0.75rem 1rem;
  background: var(--color-primary);
  color: #fff;
  text-decoration: none;
  border-radius: 0 0 8px 0;
}

.skip-link:focus {
  left: 0;
}

.landing {
  min-height: 100dvh;
  background: var(--color-bg);
  color: var(--color-text);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1.5rem;
  background: color-mix(in srgb, var(--color-surface) 88%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: inherit;
  font-weight: 700;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 8px;
  background: var(--gradient-brand);
  color: #fff;
  font-size: 1rem;
}

.brand-name {
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.nav-desktop {
  display: none;
  gap: 0.25rem;
}

.nav-desktop a {
  color: var(--color-muted);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.45rem 0.75rem;
  border-radius: 8px;
  text-decoration: none;
  transition: color 0.15s ease, background 0.15s ease;
}

.nav-desktop a:hover {
  color: var(--color-text);
  background: var(--color-bg-alt);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.35rem;
  height: 2.35rem;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  cursor: pointer;
  font-size: 1rem;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.theme-toggle:hover {
  transform: translateY(-1px);
  border-color: var(--color-primary);
}

.btn-ghost,
.btn-outline,
.btn-primary-sm,
.btn-primary,
.btn-plan {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-weight: 600;
  border-radius: 9px;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  font-size: 0.9rem;
  border: none;
  font-family: inherit;
}

.btn-ghost {
  padding: 0.5rem 0.85rem;
  color: var(--color-text);
  background: transparent;
  border: 1px solid var(--color-border);
}

.btn-primary-sm {
  padding: 0.5rem 0.85rem;
  color: #fff;
  background: var(--gradient-brand);
}

.btn-primary {
  padding: 0.75rem 1.25rem;
  color: #fff;
  background: var(--gradient-brand);
  box-shadow: var(--shadow-sm);
}

.btn-outline {
  padding: 0.75rem 1.25rem;
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
}

.btn-full {
  width: 100%;
}

.btn-primary:hover,
.btn-primary-sm:hover,
.btn-outline:hover,
.btn-ghost:hover,
.btn-plan:hover {
  transform: translateY(-1px);
}

.hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
  max-width: 1120px;
  margin: 0 auto;
  padding: 3rem 1.5rem 4rem;
  background: var(--gradient-page), var(--color-bg);
}

.eyebrow {
  margin: 0 0 0.75rem;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-primary);
}

.hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(1.85rem, 5vw, 2.75rem);
  line-height: 1.15;
  letter-spacing: -0.03em;
}

.gradient-text {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lead {
  margin: 0 0 1.5rem;
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--color-muted);
  max-width: 34rem;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.hero-visual {
  display: flex;
  justify-content: center;
}

.hero-card {
  width: 100%;
  max-width: 340px;
  padding: 1.25rem;
  border-radius: 16px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
}

.hero-card-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.pill {
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  background: var(--color-success-bg);
  color: var(--color-success-text);
}

.live {
  font-size: 0.75rem;
  color: var(--color-primary);
  font-weight: 600;
}

.hero-card-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.hero-card-list li {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.65rem 0.75rem;
  border-radius: 10px;
  background: var(--color-bg-alt);
  font-size: 0.9rem;
}

.hero-card-list em {
  margin-left: auto;
  font-style: normal;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-muted);
}

.section {
  max-width: 1120px;
  margin: 0 auto;
  padding: 4rem 1.5rem;
}

.section-alt {
  max-width: none;
  background: var(--color-bg-alt);
}

.section-alt > .section-inner {
  max-width: 1120px;
  margin-left: auto;
  margin-right: auto;
}

.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 2.5rem;
}

.section-head h2 {
  margin: 0 0 0.65rem;
  font-size: clamp(1.5rem, 4vw, 2rem);
  letter-spacing: -0.02em;
}

.section-head p {
  margin: 0;
  color: var(--color-muted);
  line-height: 1.6;
}

.flow-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.flow-step {
  position: relative;
  padding: 1.25rem 1.25rem 1.25rem 3.5rem;
  border-radius: 14px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.flow-step h3 {
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
}

.flow-step p {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.92rem;
  line-height: 1.55;
}

.flow-index {
  position: absolute;
  left: 1rem;
  top: 1.25rem;
  width: 1.75rem;
  height: 1.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--gradient-brand);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 700;
}

.flow-icon {
  position: absolute;
  right: 1rem;
  top: 1rem;
  font-size: 1.35rem;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-bottom: 3rem;
}

.about-card {
  padding: 1.5rem;
  border-radius: 14px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
}

.about-card h2 {
  margin: 0 0 0.65rem;
  font-size: 1.25rem;
  color: var(--color-primary);
}

.about-card p {
  margin: 0;
  line-height: 1.65;
  color: var(--color-muted);
}

.values-block h2 {
  margin: 0 0 1.25rem;
  font-size: 1.5rem;
  text-align: center;
}

.values-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.value-card {
  padding: 1.25rem;
  border-radius: 12px;
  background: var(--color-surface);
  border-left: 4px solid var(--color-secondary);
}

.value-card h3 {
  margin: 0 0 0.4rem;
  font-size: 1rem;
}

.value-card p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.55;
  color: var(--color-muted);
}

.plans-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  align-items: stretch;
}

.plan-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 1.5rem;
  border-radius: 16px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.plan-highlight {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.plan-badge {
  position: absolute;
  top: -0.65rem;
  left: 50%;
  transform: translateX(-50%);
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  background: var(--gradient-brand);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.plan-card h3 {
  margin: 0.5rem 0 0.35rem;
  font-size: 1.25rem;
}

.plan-desc {
  margin: 0 0 1rem;
  font-size: 0.9rem;
  color: var(--color-muted);
}

.plan-price {
  margin-bottom: 1.25rem;
}

.plan-price .amount {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.plan-price .period {
  font-size: 0.95rem;
  color: var(--color-muted);
}

.plan-features {
  list-style: none;
  margin: 0 0 1.5rem;
  padding: 0;
  flex: 1;
}

.plan-features li {
  position: relative;
  padding: 0.4rem 0 0.4rem 1.35rem;
  font-size: 0.9rem;
  color: var(--color-muted);
}

.plan-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-success);
  font-weight: 700;
}

.btn-plan {
  width: 100%;
  padding: 0.75rem;
  background: var(--color-bg-alt);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn-plan.btn-primary {
  background: var(--gradient-brand);
  color: #fff;
  border: none;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: 760px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: 12px;
  background: var(--color-surface);
  overflow: hidden;
}

.faq-item summary {
  cursor: pointer;
  padding: 1rem 1.15rem;
  font-weight: 600;
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: '+';
  float: right;
  color: var(--color-primary);
  font-weight: 700;
}

.faq-item[open] summary::after {
  content: '−';
}

.faq-item p {
  margin: 0;
  padding: 0 1.15rem 1rem;
  color: var(--color-muted);
  line-height: 1.6;
}

.contact-wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.contact-copy h2 {
  margin: 0 0 0.65rem;
  font-size: 1.75rem;
}

.contact-copy > p {
  margin: 0 0 1.5rem;
  color: var(--color-muted);
  line-height: 1.6;
}

.contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-list li {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.contact-list strong {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-muted);
}

.contact-list a {
  text-decoration: none;
  font-weight: 600;
}

.contact-list a:hover {
  text-decoration: underline;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  padding: 1.5rem;
  border-radius: 14px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
}

.contact-form label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-muted);
}

.contact-form input,
.contact-form textarea {
  padding: 0.7rem 0.85rem;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  resize: vertical;
}

.form-note {
  margin: 0;
  font-size: 0.78rem;
  color: var(--color-muted);
  text-align: center;
}

.site-footer {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding: 2rem 1.5rem 3rem;
  border-top: 1px solid var(--color-border);
  background: var(--color-bg);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--color-muted);
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}

.footer-nav a {
  color: var(--color-muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
}

.footer-nav a:hover {
  color: var(--color-primary);
}

@media (min-width: 640px) {
  .flow-grid,
  .values-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .plans-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 768px) {
  .nav-desktop {
    display: flex;
  }

  .hero {
    grid-template-columns: 1.1fr 0.9fr;
    padding-top: 4rem;
  }

  .about-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact-wrap {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }

  .site-footer {
    flex-direction: row;
    justify-content: space-between;
    max-width: 1120px;
    margin: 0 auto;
    width: 100%;
  }
}

@media (min-width: 960px) {
  .flow-grid {
    grid-template-columns: repeat(5, 1fr);
  }

  .flow-step {
    padding: 3.25rem 1rem 1.25rem;
    text-align: center;
  }

  .flow-step .flow-index {
    left: 50%;
    transform: translateX(-50%);
    top: 1rem;
  }

  .flow-step .flow-icon {
    position: static;
    display: block;
    margin-bottom: 0.5rem;
    font-size: 1.75rem;
  }
}

@media (max-width: 480px) {
  .btn-ghost {
    display: none;
  }

  .site-header {
    padding: 0.75rem 1rem;
  }
}