:root {
  --bg: #f7f6f2;
  --surface: #ffffff;
  --surface-soft: #fbfaf7;
  --ink: #171717;
  --muted: #66645f;
  --line: #e5e0d6;
  --primary: #19584c;
  --primary-strong: #0f3f36;
  --accent: #b85f38;
  --accent-soft: #f3d8ca;
  --mint: #dcefe8;
  --lavender: #e7e2f2;
  --shadow: 0 20px 60px rgba(23, 23, 23, 0.08);
  --radius: 8px;
  --container: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background:
    radial-gradient(
      circle at 18% 4%,
      rgba(220, 239, 232, 0.9),
      transparent 28rem
    ),
    radial-gradient(
      circle at 82% 12%,
      rgba(243, 216, 202, 0.75),
      transparent 30rem
    ),
    var(--bg);
  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    "PingFang SC",
    "Microsoft YaHei",
    sans-serif;
  line-height: 1.6;
}

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

button,
input,
textarea {
  font: inherit;
}

.container {
  width: min(var(--container), calc(100% - 40px));
  margin: 0 auto;
}

.section {
  padding: 96px 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(229, 224, 214, 0.82);
  background: rgba(247, 246, 242, 0.88);
  backdrop-filter: blur(16px);
}

.nav {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0;
}

.brand-mark {
  width: 34px;
  height: 34px;
  display: inline-grid;
  place-items: center;
  border-radius: var(--radius);
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  font-size: 17px;
  box-shadow: 0 8px 22px rgba(25, 88, 76, 0.18);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 24px;
  color: #3d3b37;
  font-size: 14px;
  font-weight: 650;
}

.nav-menu > a:not(.btn) {
  padding: 10px 0;
}

.nav-menu > a:not(.btn):hover {
  color: var(--primary);
}

.nav-toggle {
  width: 42px;
  height: 42px;
  display: none;
  place-items: center;
  padding: 9px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink);
  background: var(--surface);
  cursor: pointer;
}

.nav-toggle span:not(.sr-only) {
  width: 20px;
  height: 2px;
  display: block;
  margin: 3px 0;
  border-radius: 10px;
  background: currentColor;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.btn {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 18px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 750;
  line-height: 1.2;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    border-color 180ms ease,
    background 180ms ease;
}

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

.btn-primary {
  color: #fff;
  background: var(--primary);
  box-shadow: 0 14px 30px rgba(25, 88, 76, 0.22);
}

.btn-primary:hover {
  background: var(--primary-strong);
}

.btn-secondary {
  color: var(--ink);
  background: var(--surface);
  border-color: var(--line);
  box-shadow: 0 10px 24px rgba(23, 23, 23, 0.05);
}

.btn-secondary:hover,
.btn-ghost:hover {
  border-color: rgba(25, 88, 76, 0.34);
}

.btn-ghost {
  color: var(--primary);
  background: rgba(255, 255, 255, 0.72);
  border-color: rgba(25, 88, 76, 0.2);
}

.btn.full {
  width: 100%;
}

.btn.light {
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.3);
  box-shadow: none;
}

.hero {
  min-height: calc(100vh - 76px);
  display: flex;
  align-items: center;
  padding: 78px 0 92px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(440px, 1.05fr);
  align-items: center;
  gap: 64px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 14px;
  font-size: clamp(64px, 9vw, 118px);
  line-height: 0.9;
  letter-spacing: 0;
}

.hero-subtitle {
  margin-bottom: 20px;
  font-size: clamp(28px, 4.1vw, 52px);
  font-weight: 820;
  line-height: 1.12;
  letter-spacing: 0;
}

.hero-text {
  max-width: 650px;
  margin-bottom: 32px;
  color: #4d4a44;
  font-size: 18px;
}

.hero-actions,
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}

.tag-row span,
.mini-tags span {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 6px 10px;
  border: 1px solid rgba(25, 88, 76, 0.16);
  border-radius: var(--radius);
  color: #315a51;
  background: rgba(255, 255, 255, 0.64);
  font-size: 13px;
  font-weight: 680;
}

.showcase {
  position: relative;
  padding: 20px;
  border: 1px solid rgba(229, 224, 214, 0.88);
  border-radius: var(--radius);
  background:
    linear-gradient(
      145deg,
      rgba(255, 255, 255, 0.88),
      rgba(251, 250, 247, 0.78)
    ),
    linear-gradient(
      135deg,
      rgba(220, 239, 232, 0.65),
      rgba(243, 216, 202, 0.42)
    );
  box-shadow: var(--shadow);
}

.showcase-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 18px;
}

.showcase-top p,
.showcase-top strong {
  margin: 0;
}

.showcase-top p {
  color: var(--muted);
  font-size: 13px;
}

.showcase-top strong {
  font-size: 18px;
}

.showcase-top span {
  padding: 7px 11px;
  border-radius: var(--radius);
  color: var(--primary);
  background: var(--mint);
  font-size: 12px;
  font-weight: 800;
}

.mock-browser {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.browser-bar {
  height: 44px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 14px;
  border-bottom: 1px solid var(--line);
  background: #f1eee7;
}

.browser-bar i {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #c9c1b6;
}

.browser-bar i:nth-child(1) {
  background: #d76b58;
}

.browser-bar i:nth-child(2) {
  background: #d8a442;
}

.browser-bar i:nth-child(3) {
  background: #3f9d78;
}

.browser-bar span {
  margin-left: 8px;
  color: #817a70;
  font-size: 12px;
}

.browser-content {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 14px;
  min-height: 260px;
  padding: 18px;
}

.preview-main {
  padding: 24px;
  border-radius: var(--radius);
  color: #fff;
  background:
    linear-gradient(rgba(15, 63, 54, 0.74), rgba(15, 63, 54, 0.92)),
    repeating-linear-gradient(
      135deg,
      rgba(255, 255, 255, 0.12) 0 1px,
      transparent 1px 16px
    );
}

.preview-main small,
.asset-card small {
  display: block;
  margin-bottom: 10px;
  color: inherit;
  opacity: 0.72;
  font-weight: 760;
}

.preview-main h2 {
  max-width: 300px;
  margin-bottom: 12px;
  font-size: 34px;
  line-height: 1.1;
  letter-spacing: 0;
}

.preview-main p {
  max-width: 330px;
  margin: 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: 14px;
}

.preview-side {
  display: grid;
  gap: 12px;
}

.preview-side span {
  display: flex;
  align-items: center;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-soft);
  color: #4f4a42;
  font-size: 14px;
  font-weight: 760;
}

.asset-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 12px;
  margin-top: 12px;
}

.asset-card {
  min-height: 136px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.84);
}

.asset-card strong {
  display: block;
  margin-bottom: 8px;
  font-size: 16px;
}

.asset-card p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.name-card {
  border-color: rgba(25, 88, 76, 0.2);
  background: rgba(220, 239, 232, 0.82);
}

.social-card {
  border-color: rgba(184, 95, 56, 0.18);
  background: rgba(243, 216, 202, 0.7);
}

.deck-card {
  border-color: rgba(93, 75, 148, 0.14);
  background: rgba(231, 226, 242, 0.76);
}

.section-heading {
  max-width: 760px;
  margin: 0 auto 42px;
  text-align: center;
}

.section-heading.align-left {
  margin: 0;
  text-align: left;
}

.section-heading h2,
.cta-panel h2 {
  margin-bottom: 14px;
  font-size: clamp(32px, 4.4vw, 52px);
  line-height: 1.1;
  letter-spacing: 0;
}

.section-heading p:not(.eyebrow),
.cta-panel p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 17px;
}

.card-grid {
  display: grid;
  gap: 18px;
}

.scene-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.card,
.pricing-card,
.case-card,
.benefit-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 16px 48px rgba(23, 23, 23, 0.05);
}

.scene-card {
  min-height: 390px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 22px;
  padding: 24px;
}

.card-kicker {
  margin-bottom: 12px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
}

.scene-card h3,
.benefit-card h3,
.pricing-card h3,
.case-card h3 {
  margin-bottom: 12px;
  font-size: 23px;
  line-height: 1.24;
  letter-spacing: 0;
}

.scene-card p:not(.card-kicker),
.benefit-card p,
.package-head p,
.value-line,
.case-card dd {
  color: var(--muted);
}

.mini-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.why {
  padding-top: 30px;
}

.why-panel {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: 36px;
  padding: 38px;
  border: 1px solid rgba(25, 88, 76, 0.14);
  border-radius: var(--radius);
  background:
    linear-gradient(
      135deg,
      rgba(255, 255, 255, 0.9),
      rgba(220, 239, 232, 0.48)
    ),
    var(--surface);
  box-shadow: var(--shadow);
}

.benefit-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.benefit-card {
  padding: 22px;
  background: rgba(255, 255, 255, 0.82);
}

.benefit-card span {
  display: inline-flex;
  margin-bottom: 18px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 900;
}

.benefit-card p {
  margin: 0;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  align-items: stretch;
}

.pricing-card {
  display: flex;
  flex-direction: column;
  gap: 22px;
  padding: 28px;
  background: rgba(255, 255, 255, 0.82);
}

.pricing-card.featured {
  border-color: rgba(25, 88, 76, 0.42);
  background:
    linear-gradient(
      180deg,
      rgba(220, 239, 232, 0.72),
      rgba(255, 255, 255, 0.9)
    ),
    var(--surface);
  box-shadow: 0 24px 70px rgba(25, 88, 76, 0.13);
}

.package-head {
  min-height: 168px;
}

.package-badge {
  display: inline-flex;
  margin-bottom: 16px;
  padding: 6px 10px;
  border-radius: var(--radius);
  color: var(--primary);
  background: var(--mint);
  font-size: 13px;
  font-weight: 820;
}

.featured .package-badge {
  color: #fff;
  background: var(--primary);
}

.price {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-soft);
  font-size: 20px;
  font-weight: 850;
}

.deliverables {
  display: grid;
  gap: 14px;
}

.deliverables div {
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(229, 224, 214, 0.8);
}

.deliverables div:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.deliverables strong {
  display: block;
  margin-bottom: 5px;
  color: var(--ink);
  font-size: 15px;
}

.deliverables p,
.value-line {
  margin: 0;
  font-size: 14px;
}

.value-line {
  margin-top: auto;
  padding-top: 2px;
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.case-card {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: 26px;
  background: rgba(255, 255, 255, 0.82);
}

.case-title-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.case-title-row span {
  flex: 0 0 auto;
  padding: 6px 10px;
  border-radius: var(--radius);
  color: var(--accent);
  background: var(--accent-soft);
  font-size: 12px;
  font-weight: 850;
}

.case-title-row h3 {
  margin: 0;
}

dl {
  display: grid;
  gap: 14px;
  margin: 0;
}

dl div {
  display: grid;
  grid-template-columns: 82px 1fr;
  gap: 14px;
  padding-top: 14px;
  border-top: 1px solid rgba(229, 224, 214, 0.84);
}

dt {
  color: var(--ink);
  font-size: 13px;
  font-weight: 850;
}

dd {
  margin: 0;
  font-size: 14px;
}

.case-card .btn {
  width: max-content;
  margin-top: auto;
}

.cta-section {
  padding-top: 50px;
}

.cta-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 42px;
  padding: 46px;
  border-radius: var(--radius);
  color: #fff;
  background:
    linear-gradient(135deg, rgba(15, 63, 54, 0.97), rgba(25, 88, 76, 0.9)),
    repeating-linear-gradient(
      135deg,
      rgba(255, 255, 255, 0.08) 0 1px,
      transparent 1px 18px
    );
  box-shadow: var(--shadow);
}

.cta-panel .eyebrow {
  color: #ffd7bf;
}

.cta-panel h2 {
  max-width: 720px;
}

.cta-panel p {
  max-width: 680px;
  color: rgba(255, 255, 255, 0.78);
}

.cta-note {
  margin-top: 12px;
  font-size: 15px !important;
}

.cta-actions {
  flex: 0 0 auto;
  justify-content: flex-end;
}

.footer {
  padding: 56px 0 28px;
  background: #121411;
  color: #fff;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 34px;
}

.footer p {
  max-width: 360px;
  margin: 16px 0 0;
  color: rgba(255, 255, 255, 0.68);
}

.footer h2 {
  margin: 0 0 16px;
  font-size: 15px;
}

.footer a:not(.brand) {
  display: block;
  width: max-content;
  margin-bottom: 10px;
  color: rgba(255, 255, 255, 0.68);
  font-size: 14px;
}

.footer a:hover {
  color: #fff;
}

.footer-bottom {
  margin-top: 42px;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.5);
  font-size: 13px;
}

@media (max-width: 1080px) {
  .hero-grid,
  .why-panel {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .scene-grid,
  .pricing-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .pricing-card.featured {
    order: -1;
  }
}

@media (max-width: 820px) {
  .container {
    width: min(100% - 28px, var(--container));
  }

  .section {
    padding: 68px 0;
  }

  .nav {
    min-height: 68px;
  }

  .nav-toggle {
    display: grid;
  }

  .nav-menu {
    position: absolute;
    top: 68px;
    left: 14px;
    right: 14px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.96);
    box-shadow: var(--shadow);
  }

  .nav-menu.is-open {
    display: flex;
  }

  .nav-menu > a:not(.btn) {
    padding: 12px;
    border-radius: var(--radius);
  }

  .nav-menu > a:not(.btn):hover {
    background: var(--surface-soft);
  }

  .nav-cta {
    margin-top: 6px;
  }

  .hero {
    padding: 54px 0 68px;
  }

  .hero-grid {
    gap: 38px;
  }

  .hero-text {
    font-size: 16px;
  }

  .showcase {
    padding: 14px;
  }

  .browser-content {
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .preview-main h2 {
    font-size: 28px;
  }

  .asset-grid,
  .scene-grid,
  .pricing-grid,
  .case-grid,
  .benefit-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .scene-card {
    min-height: auto;
  }

  .why {
    padding-top: 10px;
  }

  .why-panel,
  .cta-panel {
    padding: 26px;
  }

  .package-head {
    min-height: auto;
  }

  .pricing-card.featured {
    order: 0;
  }

  .case-title-row,
  .cta-panel {
    align-items: stretch;
    flex-direction: column;
  }

  .case-title-row span,
  .case-card .btn {
    width: max-content;
  }

  dl div {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .cta-actions {
    width: 100%;
    justify-content: stretch;
  }

  .cta-actions .btn {
    flex: 1 1 180px;
  }
}

@media (max-width: 520px) {
  .hero-actions,
  .cta-actions {
    flex-direction: column;
  }

  .hero-actions .btn,
  .cta-actions .btn {
    width: 100%;
  }

  .tag-row span,
  .mini-tags span {
    font-size: 12px;
  }

  .browser-bar span {
    max-width: 180px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .preview-main {
    padding: 20px;
  }

  .preview-main h2 {
    font-size: 24px;
  }

  .section-heading h2,
  .cta-panel h2 {
    font-size: 30px;
  }

  .pricing-card,
  .case-card,
  .scene-card {
    padding: 22px;
  }
}