:root {
  --bg: #f3f6f8;
  --bg-deep: #dce8e6;
  --surface: rgba(255, 255, 255, 0.72);
  --ink: #0b1f1c;
  --muted: #4a635e;
  --line: rgba(15, 118, 110, 0.16);
  --brand: #0f766e;
  --brand-deep: #115e59;
  --brand-soft: #ccfbf1;
  --cta: #ea580c;
  --cta-hover: #c2410c;
  --ok: #059669;
  --radius: 14px;
  --shadow: 0 18px 50px rgba(11, 31, 28, 0.08);
  --font: "DM Sans", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, Consolas, monospace;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

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

button,
.btn {
  font: inherit;
  cursor: pointer;
}

:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 3px;
}

.wrap {
  width: min(1120px, calc(100% - 2rem));
  margin-inline: auto;
}

/* ——— Nav ——— */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background: rgba(243, 246, 248, 0.82);
  border-bottom: 1px solid transparent;
  transition: border-color 200ms var(--ease), background 200ms var(--ease);
}

.site-nav.scrolled {
  border-bottom-color: var(--line);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 68px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand-logo {
  display: block;
  height: 44px;
  width: auto;
  object-fit: contain;
}

.brand-logo-foot {
  height: 40px;
}

.nav-links {
  display: none;
  align-items: center;
  gap: 1.4rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.nav-links a {
  transition: color 180ms var(--ease);
}

.nav-links a:hover {
  color: var(--ink);
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.7);
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--ink);
  position: relative;
}

.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background: var(--ink);
}

.nav-toggle span::before {
  top: -6px;
}

.nav-toggle span::after {
  top: 6px;
}

.nav-drawer {
  display: none;
  flex-direction: column;
  gap: 0.85rem;
  padding: 0 0 1.1rem;
}

.nav-drawer.open {
  display: flex;
}

.nav-drawer a {
  color: var(--muted);
  padding: 0.35rem 0;
}

@media (min-width: 840px) {
  .nav-links {
    display: flex;
  }
  .nav-toggle {
    display: none;
  }
  .nav-drawer {
    display: none !important;
  }
}

/* ——— Buttons ——— */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  border-radius: 999px;
  padding: 0.78rem 1.25rem;
  border: 1px solid transparent;
  font-weight: 600;
  transition: transform 180ms var(--ease), background 180ms var(--ease),
    border-color 180ms var(--ease), color 180ms var(--ease), box-shadow 180ms var(--ease);
}

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

.btn-cta {
  background: var(--cta);
  color: #fff;
  box-shadow: 0 10px 28px rgba(234, 88, 12, 0.28);
}

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

.btn-ghost {
  background: rgba(255, 255, 255, 0.55);
  border-color: var(--line);
  color: var(--ink);
}

.btn-ghost:hover {
  background: #fff;
}

.btn-brand {
  background: var(--brand);
  color: #fff;
  box-shadow: 0 10px 28px rgba(15, 118, 110, 0.25);
}

.btn-brand:hover {
  background: var(--brand-deep);
}

.btn-sm {
  padding: 0.55rem 0.95rem;
  font-size: 0.92rem;
}

/* ——— Hero ——— */
.hero {
  position: relative;
  min-height: min(100vh, 920px);
  overflow: hidden;
  isolation: isolate;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(ellipse 80% 60% at 75% 20%, rgba(45, 212, 191, 0.28), transparent 55%),
    radial-gradient(ellipse 55% 45% at 12% 75%, rgba(14, 116, 144, 0.18), transparent 50%),
    linear-gradient(160deg, #f7fafb 0%, var(--bg-deep) 48%, #cfe3df 100%);
}

.hero-mesh {
  position: absolute;
  inset: -10% -5% 20% -5%;
  z-index: -1;
  opacity: 0.55;
  background-image:
    linear-gradient(rgba(15, 118, 110, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 118, 110, 0.08) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 70% 60% at 70% 35%, #000 20%, transparent 75%);
  animation: mesh-drift 18s linear infinite;
}

.hero-orb {
  position: absolute;
  width: 42vw;
  max-width: 540px;
  aspect-ratio: 1;
  border-radius: 50%;
  filter: blur(40px);
  opacity: 0.45;
  z-index: -1;
  background: radial-gradient(circle, rgba(45, 212, 191, 0.55), transparent 70%);
  right: 4%;
  top: 12%;
  animation: orb-pulse 7s var(--ease) infinite alternate;
}

.hero-inner {
  display: grid;
  align-items: end;
  min-height: inherit;
  padding: 7.5rem 0 4.5rem;
}

.hero-copy {
  max-width: 38rem;
}

.hero-brand {
  margin: 0 0 1.15rem;
  line-height: 0;
}

.hero-logo {
  display: block;
  width: min(100%, 420px);
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 14px 28px rgba(11, 31, 28, 0.12));
}

.hero-lead {
  margin: 0 0 1.75rem;
  font-size: clamp(1.05rem, 2.2vw, 1.25rem);
  color: var(--muted);
  max-width: 32rem;
}

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

.hero-visual {
  position: absolute;
  right: max(0.5rem, calc((100% - 1120px) / 2 - 0.5rem));
  bottom: 4%;
  width: min(54vw, 620px);
  pointer-events: none;
  opacity: 0;
  transform: translateY(18px);
  animation: rise-in 900ms var(--ease) 180ms forwards;
}

.panel-stage {
  --p-bg0: #0f1412;
  --p-bg1: #171e1b;
  --p-bg2: #1f2924;
  --p-line: rgba(210, 224, 214, 0.12);
  --p-text: #e8f0ea;
  --p-muted: #8fa196;
  --p-accent: #3dba7e;
  --p-danger: #e26d5a;
  width: 100%;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background:
    radial-gradient(700px 280px at 10% -20%, rgba(61, 186, 126, 0.14), transparent 55%),
    linear-gradient(160deg, #101613, #0c100e 45%, #121a16);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
  display: grid;
  grid-template-columns: 132px 1fr;
  min-height: 360px;
  overflow: hidden;
  color: var(--p-text);
}

.panel-side {
  border-right: 1px solid var(--p-line);
  background: rgba(12, 16, 14, 0.72);
  padding: 0.7rem 0.55rem;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.panel-logo {
  width: 108px;
  height: auto;
  border-radius: 6px;
  margin: 0.15rem auto 0.35rem;
}

.panel-nav {
  display: grid;
  gap: 0.22rem;
  flex: 1;
}

.panel-nav span {
  display: block;
  text-align: left;
  border-radius: 8px;
  padding: 0.38rem 0.5rem;
  font-size: 0.68rem;
  color: var(--p-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.panel-nav .is-on {
  color: #06140c;
  background: linear-gradient(135deg, #2f9e6a, var(--p-accent));
  font-weight: 600;
}

.panel-logout {
  margin-top: auto;
  border: 1px solid var(--p-line);
  border-radius: 8px;
  padding: 0.35rem 0.45rem;
  font-size: 0.65rem;
  color: var(--p-muted);
  text-align: center;
}

.panel-main {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  min-width: 0;
  padding: 0.65rem 0.7rem 0.75rem;
}

.panel-warn {
  border-radius: 8px;
  padding: 0.4rem 0.55rem;
  font-size: 0.62rem;
  color: #f5d78a;
  background: rgba(212, 160, 23, 0.12);
  border: 1px solid rgba(212, 160, 23, 0.28);
}

.panel-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.5rem;
}

.panel-head h3 {
  margin: 0;
  font-size: 0.95rem;
  letter-spacing: -0.02em;
}

.panel-head p {
  margin: 0.2rem 0 0;
  color: var(--p-muted);
  font-size: 0.62rem;
  line-height: 1.35;
}

.panel-sync {
  flex: 0 0 auto;
  border-radius: 8px;
  padding: 0.35rem 0.55rem;
  font-size: 0.62rem;
  font-weight: 600;
  color: #06140c;
  background: linear-gradient(135deg, #2f9e6a, var(--p-accent));
  white-space: nowrap;
}

.panel-rows {
  display: grid;
  gap: 0.45rem;
  align-content: start;
}

.map-card {
  border: 1px solid var(--p-line);
  border-radius: 10px;
  background: color-mix(in srgb, var(--p-bg1) 88%, transparent);
  padding: 0.55rem 0.6rem 0.5rem;
}

.map-top {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  align-items: flex-start;
}

.map-top h4 {
  margin: 0;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.map-top p {
  margin: 0.18rem 0 0;
  color: var(--p-muted);
  font-family: var(--mono);
  font-size: 0.58rem;
}

.map-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.22rem;
}

.map-tags span {
  font-size: 0.55rem;
  border-radius: 999px;
  padding: 0.12rem 0.38rem;
  border: 1px solid rgba(226, 109, 90, 0.35);
  background: rgba(226, 109, 90, 0.12);
  color: #ffc4ba;
}

.map-tags .on {
  color: #baf5d3;
  border-color: rgba(61, 186, 126, 0.35);
  background: rgba(61, 186, 126, 0.12);
}

.map-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.28rem;
  margin-top: 0.45rem;
}

.map-actions i {
  font-style: normal;
  border: 1px solid var(--p-line);
  background: var(--p-bg2);
  color: var(--p-text);
  border-radius: 7px;
  padding: 0.18rem 0.38rem;
  font-size: 0.55rem;
}

.map-actions .danger {
  background: color-mix(in srgb, var(--p-danger) 22%, var(--p-bg2));
  border-color: color-mix(in srgb, var(--p-danger) 45%, transparent);
  color: #ffd2ca;
}

@media (max-width: 900px) {
  .hero-visual {
    position: relative;
    right: auto;
    bottom: auto;
    width: 100%;
    margin-top: 2.5rem;
    opacity: 1;
    transform: none;
    animation: rise-in 800ms var(--ease) 120ms both;
  }
  .hero-inner {
    align-items: start;
    padding-top: 6.2rem;
    padding-bottom: 3rem;
  }
}

@media (max-width: 560px) {
  .panel-stage {
    grid-template-columns: 1fr;
  }
  .panel-side {
    border-right: 0;
    border-bottom: 1px solid var(--p-line);
  }
  .panel-nav {
    grid-template-columns: repeat(3, 1fr);
  }
  .panel-logout {
    display: none;
  }
}

.reveal {
  opacity: 0;
  transform: translateY(16px);
  animation: rise-in 800ms var(--ease) both;
}

.reveal-delay-1 {
  animation-delay: 80ms;
}
.reveal-delay-2 {
  animation-delay: 160ms;
}
.reveal-delay-3 {
  animation-delay: 240ms;
}

@keyframes rise-in {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes mesh-drift {
  from {
    transform: translate3d(0, 0, 0);
  }
  to {
    transform: translate3d(-56px, -28px, 0);
  }
}

@keyframes orb-pulse {
  from {
    transform: scale(1);
    opacity: 0.35;
  }
  to {
    transform: scale(1.08);
    opacity: 0.55;
  }
}

/* ——— Sections ——— */
.section {
  padding: 5.5rem 0;
}

.section-head {
  max-width: 40rem;
  margin-bottom: 2.4rem;
}

.section-head h2 {
  margin: 0 0 0.7rem;
  font-size: clamp(1.7rem, 3.5vw, 2.35rem);
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.section-head p {
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.difference {
  background: linear-gradient(180deg, rgba(15, 118, 110, 0.04), transparent 70%);
}

.compare {
  display: grid;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

@media (min-width: 860px) {
  .compare {
    grid-template-columns: 1fr 1fr;
  }
}

.compare-col {
  border-radius: var(--radius);
  border: 1px solid var(--line);
  padding: 1.35rem 1.3rem 1.45rem;
  background: rgba(255, 255, 255, 0.7);
}

.compare-col h3 {
  margin: 0 0 0.9rem;
  font-size: 1.12rem;
  letter-spacing: -0.02em;
}

.compare-col ul {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--muted);
  display: grid;
  gap: 0.65rem;
}

.compare-col li::marker {
  color: var(--brand);
}

.compare-old {
  background: rgba(255, 255, 255, 0.5);
}

.compare-new {
  border-color: rgba(15, 118, 110, 0.28);
  background: linear-gradient(180deg, #fff, rgba(204, 251, 241, 0.35));
  box-shadow: var(--shadow);
}

.compare-new code {
  font-family: var(--mono);
  font-size: 0.86em;
  color: var(--brand-deep);
}

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

@media (min-width: 720px) {
  .advantage-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .advantage-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.advantage {
  padding: 1.25rem 1.2rem 1.35rem;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.68);
  transition: border-color 200ms var(--ease), transform 200ms var(--ease);
}

.advantage:hover {
  border-color: rgba(15, 118, 110, 0.32);
  transform: translateY(-2px);
}

.advantage h3 {
  margin: 0 0 0.45rem;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

.advantage p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.scenarios {
  background: linear-gradient(180deg, rgba(15, 118, 110, 0.035), transparent 75%);
}

.platforms {
  background: linear-gradient(180deg, transparent, rgba(15, 118, 110, 0.05));
}

.platform .btn,
.platform-actions {
  margin-top: 1rem;
}

.platform-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.pricing {
  background: linear-gradient(180deg, transparent, rgba(234, 88, 12, 0.04) 40%, transparent);
}

.price-card {
  max-width: 640px;
  margin: 0 auto;
  border: 1px solid rgba(15, 118, 110, 0.22);
  border-radius: 22px;
  padding: clamp(1.6rem, 3.5vw, 2.4rem);
  background:
    radial-gradient(ellipse 70% 60% at 100% 0%, rgba(45, 212, 191, 0.16), transparent 55%),
    linear-gradient(180deg, #fff, rgba(255, 255, 255, 0.78));
  box-shadow: var(--shadow);
  position: relative;
}

.price-badge {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 0.28rem 0.7rem;
  font-size: 0.82rem;
  font-weight: 700;
  color: #9a3412;
  background: rgba(234, 88, 12, 0.12);
  border: 1px solid rgba(234, 88, 12, 0.22);
  margin-bottom: 0.85rem;
}

.price-amount {
  display: flex;
  align-items: baseline;
  gap: 0.2rem;
  margin-bottom: 0.9rem;
}

.price-amount .currency {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--ink);
}

.price-amount strong {
  font-size: clamp(3rem, 8vw, 4.2rem);
  line-height: 0.95;
  letter-spacing: -0.04em;
  color: var(--ink);
}

.price-amount .unit {
  margin-left: 0.25rem;
  color: var(--muted);
  font-size: 1rem;
}

.price-lead {
  margin: 0 0 1rem;
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.55;
}

.price-lead strong {
  color: var(--ink);
}

.price-points {
  margin: 0 0 1.35rem;
  padding-left: 1.15rem;
  display: grid;
  gap: 0.55rem;
  color: var(--muted);
}

.price-points li::marker {
  color: var(--brand);
}

.price-points strong {
  color: var(--ink);
  font-weight: 600;
}

.price-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-bottom: 0.85rem;
}

.price-foot {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.download {
  background: linear-gradient(180deg, rgba(15, 118, 110, 0.05), transparent 60%);
}

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

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

@media (min-width: 1024px) {
  .download-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.download-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.75);
  padding: 1.35rem 1.25rem 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  box-shadow: 0 10px 30px rgba(11, 31, 28, 0.04);
  transition: transform 200ms var(--ease), border-color 200ms var(--ease);
}

.download-card:hover {
  transform: translateY(-3px);
  border-color: rgba(15, 118, 110, 0.35);
}

.download-card h3 {
  margin: 0;
  font-size: 1.12rem;
  letter-spacing: -0.02em;
}

.download-card > p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.download-card .btn {
  margin-top: auto;
  width: fit-content;
}

.download-note {
  margin-top: 1.4rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1.2rem;
  align-items: center;
  justify-content: space-between;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem 1.15rem;
  background: rgba(255, 255, 255, 0.55);
}

.download-note-copy {
  display: grid;
  gap: 0.45rem;
  max-width: 52rem;
  flex: 1;
}

.download-note p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.download-note code {
  font-family: var(--mono);
  font-size: 0.86em;
  color: var(--brand-deep);
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

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

@media (min-width: 720px) {
  .platform-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.platform {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 1.35rem 1.25rem;
  box-shadow: 0 10px 30px rgba(11, 31, 28, 0.04);
  transition: transform 200ms var(--ease), border-color 200ms var(--ease);
}

.platform:hover {
  transform: translateY(-3px);
  border-color: rgba(15, 118, 110, 0.35);
}

.platform svg {
  width: 28px;
  height: 28px;
  margin-bottom: 0.9rem;
  color: var(--brand);
}

.platform h3 {
  margin: 0 0 0.35rem;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.platform p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.platform code {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--brand-deep);
}

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

@media (min-width: 760px) {
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .feature-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.feature {
  padding: 1.4rem 1.25rem 1.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.65);
  transition: border-color 200ms var(--ease), box-shadow 200ms var(--ease);
}

.feature:hover {
  border-color: rgba(15, 118, 110, 0.32);
  box-shadow: var(--shadow);
}

.feature-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  margin-bottom: 1rem;
  background: var(--brand-soft);
  color: var(--brand-deep);
}

.feature-icon svg {
  width: 20px;
  height: 20px;
}

.feature h3 {
  margin: 0 0 0.45rem;
  font-size: 1.12rem;
  letter-spacing: -0.02em;
}

.feature p {
  margin: 0;
  color: var(--muted);
  font-size: 0.96rem;
}

.steps {
  display: grid;
  gap: 1rem;
}

@media (min-width: 860px) {
  .steps {
    grid-template-columns: repeat(3, 1fr);
  }
}

.step {
  position: relative;
  padding: 1.5rem 1.25rem;
  border-radius: var(--radius);
  background: linear-gradient(180deg, #fff, rgba(255, 255, 255, 0.55));
  border: 1px solid var(--line);
}

.step-num {
  font-family: var(--mono);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--brand);
  margin-bottom: 0.85rem;
}

.step h3 {
  margin: 0 0 0.45rem;
  font-size: 1.15rem;
}

.step p {
  margin: 0;
  color: var(--muted);
}

.devices-note {
  margin: 1.5rem 0 0;
  padding: 1rem 1.15rem;
  border-radius: var(--radius);
  border: 1px dashed var(--line);
  background: rgba(204, 251, 241, 0.35);
  color: var(--muted);
  font-size: 0.95rem;
}

.cta-band {
  padding: 0 0 5.5rem;
}

.cta-panel {
  border-radius: 22px;
  padding: clamp(1.8rem, 4vw, 3rem);
  background:
    radial-gradient(ellipse 60% 80% at 90% 20%, rgba(45, 212, 191, 0.22), transparent 55%),
    linear-gradient(135deg, #0f766e 0%, #115e59 45%, #0b3f3b 100%);
  color: #ecfdf8;
  display: grid;
  gap: 1.4rem;
  align-items: center;
}

@media (min-width: 800px) {
  .cta-panel {
    grid-template-columns: 1.4fr auto;
  }
}

.cta-panel h2 {
  margin: 0 0 0.55rem;
  font-size: clamp(1.55rem, 3vw, 2.1rem);
  letter-spacing: -0.03em;
}

.cta-panel p {
  margin: 0;
  color: rgba(236, 253, 248, 0.82);
  max-width: 36rem;
}

.cta-panel .btn-cta {
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.22);
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 2rem 0 2.6rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1.5rem;
  justify-content: space-between;
  align-items: center;
}

.footer-inner .brand {
  font-size: 0.95rem;
}

.footer-meta {
  display: grid;
  gap: 0.35rem;
  text-align: right;
}

.footer-support {
  color: var(--ink);
}

.footer-support strong {
  font-weight: 700;
  letter-spacing: 0.01em;
  user-select: all;
}

@media (max-width: 720px) {
  .footer-meta {
    text-align: left;
    width: 100%;
  }
}

.footer-inner a,
.step a,
.price-points a {
  color: var(--brand);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.footer-inner a:hover,
.step a:hover,
.price-points a:hover {
  color: var(--brand-deep);
}

.mono-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  padding: 0.28rem 0.55rem;
  border-radius: 999px;
  background: rgba(15, 118, 110, 0.08);
  color: var(--brand-deep);
}

.ver-badge {
  display: inline-block;
  font-family: var(--mono);
  font-weight: 600;
  font-size: 0.92em;
  padding: 0.12rem 0.5rem;
  border-radius: 999px;
  background: rgba(15, 118, 110, 0.12);
  color: var(--brand-deep);
}

.scroll-fade {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 700ms var(--ease), transform 700ms var(--ease);
}

.scroll-fade.in {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .hero-mesh,
  .hero-orb,
  .reveal,
  .hero-visual,
  .scroll-fade {
    animation: none !important;
    transition: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}