:root {
  --waap-bg-top: #07110f;
  --waap-bg-mid: #0d201a;
  --waap-bg-bottom: #f4f7f5;
  --waap-surface: #ffffff;
  --waap-surface-soft: #f8fbff;
  --waap-surface-mint: #f4f8f6;
  --waap-surface-green: #ecfbf4;
  --waap-surface-footer: #eaf3ee;
  --waap-ink: #18181b;
  --waap-ink-soft: #52525b;
  --waap-ink-muted: #71717a;
  --waap-ink-green: #12211b;
  --waap-border: #e4e4e7;
  --waap-border-green: #d7e6de;
  --waap-brand: #25d366;
  --waap-accent: #18a86b;
  --waap-accent-blue: #2563eb;
  --waap-shadow: 0 18px 50px rgba(12, 31, 23, 0.12);
  --waap-font: "Inter", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --waap-mono: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--waap-font);
  color: var(--waap-ink);
  background:
    radial-gradient(circle at top right, rgba(37, 211, 102, 0.08), transparent 22%),
    linear-gradient(180deg, var(--waap-bg-top) 0%, var(--waap-bg-mid) 48%, var(--waap-bg-bottom) 100%);
}

a {
  color: inherit;
  text-decoration: none;
}

.waap-page {
  min-height: 100vh;
}

.waap-shell {
  width: min(1440px, 100%);
  margin: 0 auto;
  overflow: clip;
}

.waap-header,
.waap-hero,
.waap-proof,
.waap-features,
.waap-detail,
.waap-cta,
.waap-footer {
  width: 100%;
}

.waap-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 40px;
}

.waap-brand,
.waap-footer__brand-row {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.waap-brand__mark {
  width: 18px;
  height: 18px;
  border-radius: 999px;
  background: var(--waap-brand);
  box-shadow: 0 0 0 6px rgba(37, 211, 102, 0.08);
  flex: 0 0 auto;
}

.waap-brand__text,
.waap-footer__title {
  font-family: var(--waap-mono);
  font-size: 22px;
  font-weight: 600;
  color: #f5f8f6;
}

.waap-nav,
.waap-hero__actions,
.waap-cta__actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.waap-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 14px 22px;
  font-family: var(--waap-mono);
  font-size: 15px;
  font-weight: 600;
  border: 1px solid transparent;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    background-color 180ms ease,
    border-color 180ms ease;
}

.waap-button:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 26px rgba(16, 24, 22, 0.12);
}

.waap-button--small {
  padding: 12px 18px;
  font-size: 14px;
}

.waap-button--primary {
  background: var(--waap-brand);
  color: #08100d;
}

.waap-button--ghost {
  background: rgba(16, 24, 22, 0.88);
  color: #e8f2ed;
  border-color: #2a3a34;
}

.waap-button--secondary {
  background: rgba(255, 255, 255, 0.08);
  color: #f7fbf9;
  border-color: rgba(255, 255, 255, 0.18);
}

.waap-hero {
  display: grid;
  grid-template-columns: minmax(0, 680px) minmax(0, 1fr);
  gap: 48px;
  align-items: center;
  padding: 56px 64px 40px;
  background: var(--waap-surface-soft);
}

.waap-hero__copy {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.waap-eyebrow {
  margin: 0;
  font-family: var(--waap-mono);
  font-size: 14px;
  font-weight: 600;
  color: var(--waap-accent-blue);
  letter-spacing: 0.02em;
}

.waap-hero__title,
.waap-section-head h2,
.waap-detail__copy h2,
.waap-cta h2 {
  margin: 0;
  font-size: clamp(42px, 5vw, 64px);
  font-weight: 600;
  line-height: 1.05;
  color: var(--waap-ink);
}

.waap-hero__desc,
.waap-proof-card p,
.waap-feature-card p,
.waap-detail__copy p,
.waap-cta p,
.waap-footer p,
.waap-workflow-card__hint {
  margin: 0;
  font-size: 20px;
  line-height: 1.6;
  color: var(--waap-ink-soft);
}

.waap-hero__hint {
  margin: 0;
  font-size: 16px;
  color: var(--waap-ink-muted);
}

.waap-hero__visual {
  display: flex;
  flex-direction: column;
  gap: 18px;
  min-height: 420px;
  padding: 28px;
  border-radius: 40px;
  background: var(--waap-surface);
  border: 1.5px solid var(--waap-border);
}

.waap-visual__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.waap-visual__badge,
.waap-detail-card__tag {
  font-family: var(--waap-mono);
  font-size: 14px;
  font-weight: 600;
  color: var(--waap-accent-blue);
}

.waap-visual__state {
  font-size: 14px;
  color: var(--waap-ink-muted);
}

.waap-visual__stack {
  display: flex;
  flex-direction: column;
  gap: 14px;
  height: 100%;
}

.waap-message-card,
.waap-workflow-card {
  border-radius: 24px;
  background: #f8fafc;
  border: 1px solid var(--waap-border);
}

.waap-message-card {
  width: min(360px, 100%);
  padding: 14px 18px;
}

.waap-message-card__label,
.waap-detail-field__label {
  margin: 0 0 10px;
  font-size: 15px;
  font-weight: 600;
  color: #70807a;
}

.waap-message-card__text,
.waap-detail-field__text {
  margin: 0;
  font-size: 18px;
  line-height: 1.5;
  color: #20302a;
}

.waap-workflow-card {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 14px;
  padding: 18px;
}

.waap-workflow-card__row {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px;
  border-radius: 18px;
  background: #ffffff;
}

.waap-workflow-card__text {
  margin: 0;
  font-size: 17px;
  color: #25322d;
}

.waap-workflow-card__text--accent {
  font-weight: 600;
  color: var(--waap-accent);
}

.waap-chip-group {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.waap-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 14px;
  border-radius: 999px;
  background: #eaf1ee;
  font-family: var(--waap-mono);
  font-size: 14px;
  font-weight: 700;
  color: #4a5c54;
}

.waap-chip--accent {
  background: #ddf7eb;
  color: #176b46;
}

.waap-proof {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  padding: 16px 64px;
  background: #ffffff;
}

.waap-proof-card,
.waap-feature-card {
  padding: 24px 24px 26px;
  border-radius: 28px;
  background: #ffffff;
  border: 1.5px solid var(--waap-border);
}

.waap-proof-card h2,
.waap-feature-card h3 {
  margin: 0 0 6px;
  font-size: 28px;
  font-weight: 600;
  color: var(--waap-ink);
}

.waap-proof-card p,
.waap-feature-card p {
  font-size: 16px;
}

.waap-features {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding: 56px 64px;
  background: #ffffff;
}

.waap-section-head {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.waap-section-head h2 {
  font-size: 48px;
  line-height: 1.1;
}

.waap-feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.waap-feature-card {
  padding: 28px;
  border-radius: 32px;
}

.waap-detail {
  display: grid;
  grid-template-columns: minmax(0, 520px) minmax(0, 560px);
  justify-content: space-between;
  gap: 48px;
  padding: 56px 64px;
}

.waap-detail--translate {
  background: var(--waap-surface-mint);
}

.waap-detail--ai {
  background: #f7fbf9;
}

.waap-detail__copy {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.waap-detail__copy h2 {
  font-size: 42px;
  line-height: 1.2;
  color: var(--waap-ink-green);
}

.waap-bullet-list {
  margin: 0;
  padding-left: 1.2em;
  display: flex;
  flex-direction: column;
  gap: 14px;
  font-size: 18px;
  color: #1f2e28;
}

.waap-detail-card {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 28px;
  border-radius: 28px;
  background: #ffffff;
  border: 1px solid var(--waap-border-green);
  box-shadow: var(--waap-shadow);
}

.waap-detail-card--translate {
  align-self: start;
}

.waap-detail-card--ai {
  background: #eaf4ef;
  border-color: #d6e5dd;
  box-shadow: none;
}

.waap-detail-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.waap-detail-card__head h3 {
  margin: 0;
  font-size: 20px;
  font-weight: 700;
  color: #1a2822;
}

.waap-detail-field {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px;
  border-radius: 20px;
  background: #f5f7f6;
}

.waap-detail-field--accent {
  background: var(--waap-surface-green);
}

.waap-detail-field--accent .waap-detail-field__label {
  color: #569278;
}

.waap-detail-field--accent .waap-detail-field__text {
  color: #1a6e49;
  font-weight: 600;
}

.waap-detail-field--soft-dark {
  background: #132922;
}

.waap-detail-field--soft-dark .waap-detail-field__label {
  color: #7aa793;
}

.waap-detail-field--soft-dark .waap-detail-field__text {
  color: #f2f7f5;
}

.waap-cta {
  padding: 64px 64px 72px;
  background: linear-gradient(180deg, #eaf6f0 0%, #f7fbf9 100%);
}

.waap-cta__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 22px;
  text-align: center;
}

.waap-cta h2 {
  max-width: 920px;
  font-size: 48px;
  line-height: 1.16;
  color: #10231c;
}

.waap-cta p {
  max-width: 860px;
  color: #4c625a;
}

.waap-footer {
  position: relative;
  display: grid;
  grid-template-columns: 420px max-content;
  justify-content: space-between;
  gap: 28px 24px;
  padding: 24px 64px 40px;
  background: var(--waap-surface-footer);
}

.waap-footer__brand {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.waap-footer__title,
.waap-footer__links a {
  color: #123a2a;
}

.waap-footer__links {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 12px;
}

.waap-footer__links a {
  font-family: var(--waap-mono);
  font-size: 17px;
  font-weight: 600;
}

.waap-footer__links p,
.waap-footer__note {
  font-size: 15px;
  font-weight: 500;
  color: #5e736b;
}

.waap-footer__note {
  grid-column: 1 / -1;
  justify-self: end;
}

@media (max-width: 1180px) {
  .waap-hero,
  .waap-detail,
  .waap-proof,
  .waap-feature-grid {
    grid-template-columns: 1fr;
  }

  .waap-hero__visual,
  .waap-detail-card,
  .waap-detail__copy,
  .waap-proof-card,
  .waap-feature-card {
    width: 100%;
  }

  .waap-detail--ai .waap-detail-card {
    order: 1;
  }

  .waap-detail--ai .waap-detail__copy {
    order: 2;
  }

  .waap-footer {
    grid-template-columns: 1fr;
  }

  .waap-footer__links,
  .waap-footer__note {
    justify-self: start;
    align-items: flex-start;
  }
}

@media (max-width: 900px) {
  .waap-header,
  .waap-hero,
  .waap-proof,
  .waap-features,
  .waap-detail,
  .waap-cta,
  .waap-footer {
    padding-left: 24px;
    padding-right: 24px;
  }

  .waap-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
  }

  .waap-brand__text,
  .waap-footer__title {
    font-size: 18px;
  }

  .waap-hero__title,
  .waap-section-head h2,
  .waap-detail__copy h2,
  .waap-cta h2 {
    font-size: 36px;
  }

  .waap-hero__desc,
  .waap-detail__copy p,
  .waap-cta p {
    font-size: 18px;
  }
}

@media (max-width: 640px) {
  .waap-message-card {
    width: 100%;
  }

  .waap-button,
  .waap-button--small {
    width: 100%;
  }

  .waap-nav,
  .waap-hero__actions,
  .waap-cta__actions {
    width: 100%;
  }

  .waap-header,
  .waap-hero__copy,
  .waap-cta__inner {
    align-items: stretch;
  }

  .waap-visual__top,
  .waap-detail-card__head {
    flex-direction: column;
    align-items: flex-start;
  }
}