:root {
  color-scheme: dark;
  --bg: #03050b;
  --panel: rgba(15, 20, 37, .78);
  --panel-strong: rgba(20, 27, 49, .96);
  --line: rgba(132, 175, 255, .18);
  --text: #f5f7ff;
  --muted: rgba(221, 229, 255, .68);
  --soft: rgba(221, 229, 255, .42);
  --cyan: #32e6d2;
  --blue: #296dff;
  --violet: #5c36ff;
  --green: #49f0a3;
  --danger: #ff6b8f;
  --shadow: 0 28px 90px rgba(0, 0, 0, .55);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 50% 18%, rgba(42, 102, 255, .34), transparent 34rem),
    linear-gradient(180deg, #050612 0%, #03050b 44%, #050814 100%);
  letter-spacing: 0;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -2;
  content: "";
  background-image:
    linear-gradient(rgba(50, 230, 210, .08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(50, 230, 210, .08) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(circle at center, black, transparent 74%);
}

body::after {
  position: fixed;
  inset: 0;
  z-index: -1;
  content: "";
  pointer-events: none;
  background-image:
    radial-gradient(1px 1px at 12% 20%, rgba(255,255,255,.72), transparent),
    radial-gradient(1px 1px at 78% 16%, rgba(255,255,255,.68), transparent),
    radial-gradient(1px 1px at 60% 66%, rgba(50,230,210,.58), transparent),
    radial-gradient(1px 1px at 24% 78%, rgba(255,255,255,.42), transparent);
}

.ambient {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

.ambient span {
  position: absolute;
  width: 32rem;
  height: 32rem;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(50, 230, 210, .18), transparent 66%);
  filter: blur(18px);
  animation: drift 18s ease-in-out infinite alternate;
}

.ambient span:nth-child(1) {
  left: -10rem;
  top: 8rem;
}

.ambient span:nth-child(2) {
  right: -12rem;
  top: 24rem;
  background: radial-gradient(circle, rgba(92, 54, 255, .22), transparent 66%);
  animation-duration: 23s;
}

.ambient span:nth-child(3) {
  left: 28%;
  bottom: -18rem;
  background: radial-gradient(circle, rgba(41, 109, 255, .18), transparent 64%);
  animation-duration: 27s;
}

@keyframes drift {
  from {
    transform: translate3d(0, 0, 0) scale(1);
  }
  to {
    transform: translate3d(4rem, -2rem, 0) scale(1.16);
  }
}

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

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

.site-header {
  position: fixed;
  top: 26px;
  left: 50%;
  z-index: 30;
  display: grid;
  grid-template-columns: auto 1fr auto;
  width: min(1120px, calc(100% - 48px));
  align-items: center;
  gap: 24px;
  padding: 14px 16px 14px 26px;
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 999px;
  background: rgba(8, 10, 20, .74);
  box-shadow: 0 18px 52px rgba(0, 0, 0, .36);
  transform: translateX(-50%);
  backdrop-filter: blur(22px);
  animation: headerIn .7s ease both;
}

@keyframes headerIn {
  from {
    opacity: 0;
    transform: translate(-50%, -16px);
  }
  to {
    opacity: 1;
    transform: translate(-50%, 0);
  }
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 850;
  letter-spacing: 6px;
  text-transform: uppercase;
}

.brand-mark {
  display: none;
}

.nav {
  display: flex;
  justify-content: center;
  gap: clamp(14px, 2vw, 30px);
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 3px;
  text-transform: uppercase;
}

.header-cta,
.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 3px;
  text-transform: uppercase;
}

.header-cta {
  padding: 0 20px;
  color: #07101c;
  background: #fff;
}

.hero {
  position: relative;
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: 130px clamp(18px, 5vw, 64px) 64px;
  overflow: hidden;
  text-align: center;
}

.orbit-field {
  position: absolute;
  inset: 0;
  z-index: -1;
  display: grid;
  place-items: center;
  pointer-events: none;
}

.orbit {
  position: absolute;
  width: min(94vw, 1040px);
  aspect-ratio: 1;
  border: 1px solid rgba(50, 230, 210, .14);
  border-radius: 50%;
  box-shadow: inset 0 0 24px rgba(41, 109, 255, .12);
  animation: orbitSpin 28s linear infinite;
}

.orbit-two {
  width: min(78vw, 840px);
  border-color: rgba(92, 54, 255, .2);
  transform: rotate(33deg) scaleY(.72);
  animation-duration: 36s;
  animation-direction: reverse;
}

.orbit-three {
  width: min(66vw, 700px);
  border-color: rgba(255, 255, 255, .08);
  transform: rotate(-24deg) scaleY(.58);
  animation-duration: 44s;
}

@keyframes orbitSpin {
  to {
    rotate: 360deg;
  }
}

.hero::before,
.hero::after {
  position: absolute;
  left: 50%;
  top: 53%;
  width: min(76vw, 820px);
  aspect-ratio: 1;
  border-radius: 50%;
  content: "";
  transform: translate(-50%, -50%);
}

.hero::before {
  z-index: -1;
  border: 1px solid rgba(50, 230, 210, .22);
  background:
    repeating-linear-gradient(29deg, transparent 0 52px, rgba(50,230,210,.24) 53px, transparent 55px),
    repeating-linear-gradient(142deg, transparent 0 78px, rgba(41,109,255,.26) 79px, transparent 82px),
    radial-gradient(circle at 48% 46%, rgba(41, 109, 255, .52), rgba(92, 54, 255, .24) 46%, rgba(0,0,0,.12) 68%);
  box-shadow:
    inset 0 0 48px rgba(50, 230, 210, .24),
    inset 0 0 120px rgba(41, 109, 255, .44),
    0 0 80px rgba(41, 109, 255, .55);
  opacity: .9;
  animation: spherePulse 6s ease-in-out infinite alternate, sphereRotate 34s linear infinite;
}

.hero::after {
  z-index: -1;
  width: min(88vw, 980px);
  background: radial-gradient(circle, rgba(41, 109, 255, .18), transparent 68%);
  filter: blur(14px);
}

@keyframes spherePulse {
  from {
    opacity: .72;
    filter: saturate(1);
  }
  to {
    opacity: .98;
    filter: saturate(1.25);
  }
}

@keyframes sphereRotate {
  to {
    rotate: 360deg;
  }
}

.hero-copy {
  display: grid;
  position: relative;
  z-index: 2;
  justify-items: center;
  width: min(980px, 100%);
}

.hero-copy > * {
  animation: fadeUp .72s ease both;
}

.hero-copy > :nth-child(2) {
  animation-delay: .08s;
}

.hero-copy > :nth-child(3) {
  animation-delay: .16s;
}

.hero-copy > :nth-child(4) {
  animation-delay: .24s;
}

.hero-copy > :nth-child(5) {
  animation-delay: .32s;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(22px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.eyebrow,
.section-kicker,
.card-label {
  color: var(--cyan);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 4px;
  text-transform: uppercase;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 28px;
  padding: 9px 18px;
  border: 1px solid rgba(50, 230, 210, .2);
  border-radius: 999px;
  background: rgba(4, 11, 20, .58);
  box-shadow: inset 0 0 24px rgba(50, 230, 210, .08);
}

.eyebrow::before {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--green);
  box-shadow: 0 0 18px var(--green);
  content: "";
}

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

h1 {
  max-width: 900px;
  margin-bottom: 24px;
  color: rgba(255, 255, 255, .96);
  font-size: clamp(46px, 6.1vw, 82px);
  font-weight: 420;
  line-height: .95;
  letter-spacing: 0;
  text-shadow: 0 0 42px rgba(41, 109, 255, .34);
}

h1 span,
h2 span {
  color: rgba(245, 247, 255, .58);
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(42px, 6vw, 86px);
  font-weight: 420;
  line-height: .96;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 12px;
  font-size: 25px;
  line-height: 1.1;
  letter-spacing: 0;
}

.lead {
  width: min(820px, 100%);
  margin-bottom: 0;
  color: rgba(235, 240, 255, .82);
  font-size: clamp(18px, 2.1vw, 25px);
  line-height: 1.5;
  text-shadow: 0 0 28px rgba(0, 0, 0, .65);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  margin: 28px 0 20px;
}

.button {
  padding: 0 30px;
  border: 1px solid rgba(255, 255, 255, .18);
}

.button.primary {
  color: #07101c;
  background: #fff;
  box-shadow: 0 0 42px rgba(41, 109, 255, .42), 0 12px 32px rgba(0, 0, 0, .34);
}

.button.secondary {
  color: var(--text);
  background: rgba(5, 8, 18, .86);
  box-shadow: 0 12px 32px rgba(0, 0, 0, .28);
}

.button.secondary.light {
  background: rgba(255, 255, 255, .08);
}

.trust-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

.trust-strip span {
  padding: 10px 14px;
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 999px;
  color: var(--muted);
  background: rgba(5, 8, 18, .56);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 1px;
}

.hero-visual {
  position: relative;
  width: min(980px, 100%);
  min-height: 0;
  margin-top: 42px;
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(19, 25, 48, .88), rgba(10, 13, 25, .9));
  box-shadow: var(--shadow);
  overflow: hidden;
  isolation: isolate;
  transform: perspective(1200px) rotateX(2deg);
  animation: visualFloat 5.5s ease-in-out infinite alternate;
}

@keyframes visualFloat {
  from {
    translate: 0 0;
  }
  to {
    translate: 0 -12px;
  }
}

.hero-visual::before {
  display: flex;
  height: 54px;
  align-items: center;
  padding: 0 22px 0 94px;
  border-bottom: 1px solid rgba(255, 255, 255, .1);
  color: var(--green);
  content: "NETWORK SECURE   |   Global Topology";
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 2px;
}

.window-actions {
  position: absolute;
  left: 22px;
  top: 19px;
  z-index: 3;
  display: flex;
  gap: 8px;
}

.window-actions span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .32);
}

.window-actions span:nth-child(1) {
  background: #ff6b8f;
}

.window-actions span:nth-child(2) {
  background: #f5c84b;
}

.window-actions span:nth-child(3) {
  background: #49f0a3;
}

.dashboard-shot {
  width: 100%;
  height: auto;
  max-height: none;
  object-fit: contain;
  object-position: top center;
  opacity: .96;
  background: #eef2f7;
}

.phone-shot {
  position: absolute;
  right: 34px;
  bottom: 28px;
  width: min(150px, 18%);
  border: 7px solid #090d18;
  border-radius: 28px;
  box-shadow: 0 28px 70px rgba(0, 0, 0, .55);
  animation: phoneFloat 4.8s ease-in-out infinite alternate;
}

@keyframes phoneFloat {
  to {
    transform: translateY(-10px) rotate(1deg);
  }
}

.status-card {
  position: absolute;
  left: 28px;
  bottom: 24px;
  display: grid;
  gap: 5px;
  width: 190px;
  padding: 14px;
  border: 1px solid rgba(73, 240, 163, .22);
  border-radius: 16px;
  background: rgba(5, 9, 18, .82);
  box-shadow: 0 0 42px rgba(73, 240, 163, .12);
}

.floating-metric {
  position: absolute;
  display: grid;
  gap: 5px;
  min-width: 148px;
  padding: 12px 14px;
  border: 1px solid rgba(50, 230, 210, .2);
  border-radius: 999px;
  background: rgba(4, 8, 17, .86);
  box-shadow: 0 0 38px rgba(41, 109, 255, .2);
  backdrop-filter: blur(14px);
}

.floating-metric strong {
  color: var(--soft);
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.floating-metric span {
  color: var(--text);
  font-size: 14px;
  font-weight: 850;
}

.metric-one {
  right: 26%;
  top: 78px;
}

.metric-two {
  left: 36%;
  bottom: 26px;
}

.status-card strong {
  color: var(--soft);
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.status-card span {
  color: var(--green);
  font-size: 34px;
  font-weight: 800;
}

.status-card small {
  color: var(--muted);
}

.section {
  padding: clamp(74px, 10vw, 138px) clamp(18px, 5vw, 64px);
  scroll-margin-top: 120px;
}

.section-kicker {
  margin-bottom: 14px;
}

.problem,
.premium {
  position: relative;
  overflow: hidden;
}

.split,
.section-heading {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(320px, .72fr);
  width: min(1120px, 100%);
  margin: 0 auto 38px;
  gap: 42px;
  align-items: end;
}

.split p,
.section-heading p,
.premium-panel p {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.72;
}

.benefit-grid,
.mode-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  width: min(1120px, 100%);
  margin: 0 auto;
  gap: 18px;
}

.benefit-grid article,
.mode-card {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--panel);
  box-shadow: 0 18px 52px rgba(0, 0, 0, .28);
  backdrop-filter: blur(18px);
  transition: transform .28s ease, border-color .28s ease, box-shadow .28s ease;
}

.benefit-grid article:hover,
.mode-card:hover {
  border-color: rgba(50, 230, 210, .38);
  box-shadow: 0 28px 84px rgba(41, 109, 255, .18);
  transform: translateY(-8px);
}

.benefit-grid article {
  min-height: 250px;
  padding: 28px;
}

.icon {
  display: inline-grid;
  width: 48px;
  height: 48px;
  margin-bottom: 42px;
  place-items: center;
  border: 1px solid rgba(50, 230, 210, .24);
  border-radius: 999px;
  color: var(--cyan);
  background: rgba(50, 230, 210, .08);
  font-size: 12px;
  font-weight: 900;
}

.benefit-grid p,
.mode-card li {
  color: var(--muted);
  line-height: 1.58;
}

.capabilities {
  background:
    radial-gradient(circle at 18% 20%, rgba(50, 230, 210, .12), transparent 24rem),
    rgba(3, 5, 11, .72);
}

.seo-summary {
  background:
    radial-gradient(circle at 72% 18%, rgba(50, 230, 210, .13), transparent 28rem),
    rgba(3, 5, 11, .72);
}

.fact-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  width: min(1120px, 100%);
  margin: 0 auto;
  gap: 14px;
}

.fact-grid article {
  display: grid;
  gap: 10px;
  min-height: 170px;
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 20px;
  background: rgba(12, 17, 32, .76);
}

.fact-grid strong {
  color: var(--cyan);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.fact-grid span {
  color: var(--muted);
  line-height: 1.55;
}

.detail-grid,
.advantage-grid,
.solution-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  width: min(1120px, 100%);
  margin: 0 auto;
  gap: 16px;
}

.detail-grid article,
.advantage-grid article,
.use-case-list article,
.solution-grid article,
.scenario-grid article {
  position: relative;
  min-height: 210px;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 20px;
  background:
    linear-gradient(180deg, rgba(17, 24, 47, .86), rgba(9, 13, 27, .76));
  box-shadow: 0 18px 54px rgba(0, 0, 0, .28);
  overflow: hidden;
}

.detail-grid article::before,
.advantage-grid article::before,
.use-case-list article::before,
.solution-grid article::before,
.scenario-grid article::before {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(circle at 20% 0%, rgba(50, 230, 210, .16), transparent 13rem);
  content: "";
  pointer-events: none;
}

.detail-grid h3,
.advantage-grid strong,
.use-case-list h3,
.solution-grid h3,
.scenario-grid h3 {
  position: relative;
  display: block;
  margin-bottom: 12px;
  color: var(--text);
  font-size: 21px;
  font-weight: 760;
}

.detail-grid p,
.advantage-grid p,
.use-case-list p,
.solution-grid p,
.scenario-grid p {
  position: relative;
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.64;
}

.solutions {
  background:
    radial-gradient(circle at 50% 12%, rgba(50, 230, 210, .18), transparent 30rem),
    linear-gradient(180deg, rgba(3, 5, 11, .88), rgba(7, 12, 26, .88));
}

.solution-grid article {
  min-height: 360px;
}

.solution-grid article > span,
.scenario-topline {
  position: relative;
  display: inline-flex;
  margin-bottom: 20px;
  padding: 8px 12px;
  border: 1px solid rgba(50, 230, 210, .24);
  border-radius: 999px;
  color: var(--cyan);
  background: rgba(50, 230, 210, .08);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.solution-grid ul {
  position: relative;
  display: grid;
  gap: 10px;
  margin: 22px 0 0;
  padding-left: 18px;
  color: rgba(235, 240, 255, .76);
  line-height: 1.48;
}

.appliance {
  background:
    radial-gradient(circle at 84% 18%, rgba(92, 54, 255, .22), transparent 28rem),
    rgba(5, 8, 18, .78);
}

.appliance-layout {
  display: grid;
  grid-template-columns: minmax(320px, .72fr) minmax(0, 1fr);
  width: min(1120px, 100%);
  margin: 0 auto;
  gap: 24px;
  align-items: center;
}

.appliance-copy {
  display: grid;
  gap: 14px;
}

.appliance-copy article {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 16px;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 18px;
  background: rgba(12, 17, 32, .74);
}

.appliance-copy span {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid rgba(50, 230, 210, .32);
  border-radius: 50%;
  color: var(--cyan);
  background: rgba(50, 230, 210, .08);
  font-size: 12px;
  font-weight: 900;
}

.appliance-copy h3 {
  margin-bottom: 6px;
  font-size: 20px;
}

.appliance-copy p {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.55;
}

.large-screen {
  margin: 0;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 24px;
  background: rgba(11, 16, 31, .78);
  box-shadow: var(--shadow);
}

.large-screen figcaption {
  margin-bottom: 12px;
  color: var(--cyan);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.large-screen img {
  width: 100%;
  height: auto;
  object-fit: contain;
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 16px;
  background: rgba(238, 242, 247, .96);
}

.modes {
  background:
    radial-gradient(circle at 50% 10%, rgba(92, 54, 255, .28), transparent 32rem),
    rgba(3, 5, 11, .72);
}

.flow {
  position: relative;
  background: linear-gradient(180deg, rgba(6, 9, 20, .84), rgba(3, 5, 11, .92));
}

.section-heading.centered {
  display: block;
  text-align: center;
}

.section-heading.centered h2 {
  width: min(980px, 100%);
  margin-inline: auto;
}

.flow-line {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  width: min(1120px, 100%);
  margin: 0 auto;
  gap: 18px;
}

.flow-line::before {
  position: absolute;
  left: 8%;
  right: 8%;
  top: 44px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(50, 230, 210, .55), transparent);
  content: "";
}

.flow-line article {
  position: relative;
  z-index: 1;
  min-height: 260px;
  padding: 30px;
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 22px;
  background:
    radial-gradient(circle at 50% 0%, rgba(50, 230, 210, .14), transparent 16rem),
    rgba(12, 17, 32, .78);
  box-shadow: 0 22px 68px rgba(0, 0, 0, .28);
}

.flow-line article > span {
  display: grid;
  width: 48px;
  height: 48px;
  margin-bottom: 54px;
  place-items: center;
  border: 1px solid rgba(50, 230, 210, .38);
  border-radius: 999px;
  color: var(--cyan);
  background: #07101c;
  box-shadow: 0 0 26px rgba(50, 230, 210, .18);
  font-size: 12px;
  font-weight: 900;
}

.flow-line p {
  color: var(--muted);
  line-height: 1.65;
}

.advantages {
  background:
    radial-gradient(circle at 50% 10%, rgba(41, 109, 255, .18), transparent 30rem),
    linear-gradient(180deg, rgba(3, 5, 11, .92), rgba(6, 10, 23, .86));
}

.scenarios {
  background:
    radial-gradient(circle at 12% 20%, rgba(41, 109, 255, .18), transparent 26rem),
    rgba(3, 5, 11, .82);
}

.scenario-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  width: min(1120px, 100%);
  margin: 0 auto;
  gap: 18px;
}

.scenario-grid article {
  min-height: 310px;
  padding: 28px;
}

.scenario-grid strong {
  position: relative;
  display: block;
  margin-top: 22px;
  color: rgba(255, 255, 255, .9);
  line-height: 1.5;
}

.use-cases {
  background: rgba(3, 5, 11, .72);
}

.use-case-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  width: min(1120px, 100%);
  margin: 0 auto;
  gap: 16px;
}

.use-case-list article {
  min-height: 250px;
}

.mode-card {
  padding: 24px;
}

.mode-card img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  margin: 20px 0;
  object-fit: contain;
  object-position: top center;
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 14px;
  background: rgba(238, 242, 247, .96);
  opacity: .92;
}

.mode-card ul {
  display: grid;
  gap: 10px;
  margin: 0;
  padding-left: 18px;
}

.featured {
  border-color: rgba(50, 230, 210, .34);
  box-shadow: 0 0 70px rgba(50, 230, 210, .1);
}

.premium-card {
  border-color: rgba(92, 54, 255, .48);
  background: linear-gradient(180deg, rgba(36, 29, 83, .92), rgba(14, 18, 36, .86));
}

.premium-panel {
  display: grid;
  grid-template-columns: minmax(0, .82fr) minmax(340px, 1fr);
  width: min(1120px, 100%);
  margin: 0 auto;
  gap: 48px;
  align-items: center;
  padding: clamp(30px, 5vw, 58px);
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 26px;
  background:
    radial-gradient(circle at 75% 35%, rgba(41, 109, 255, .26), transparent 24rem),
    var(--panel-strong);
  box-shadow: var(--shadow);
}

.premium-panel,
.table-wrap {
  position: relative;
  overflow: hidden;
}

.premium-panel::after,
.table-wrap::after {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(120deg, transparent 0 38%, rgba(255, 255, 255, .08) 48%, transparent 58%);
  content: "";
  transform: translateX(-120%);
  animation: sheen 8s ease-in-out infinite;
}

@keyframes sheen {
  0%, 42% {
    transform: translateX(-120%);
  }
  64%, 100% {
    transform: translateX(120%);
  }
}

.premium-features {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.premium-features span {
  min-height: 62px;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 16px;
  background: rgba(255, 255, 255, .055);
  color: rgba(245, 247, 255, .88);
  font-weight: 800;
}

.screens {
  display: grid;
  grid-template-columns: 1fr 1fr;
  width: min(1120px, 100%);
  margin: 0 auto;
  gap: 22px;
}

.screens figure {
  margin: 0;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 22px;
  background: rgba(11, 16, 31, .76);
  box-shadow: 0 24px 66px rgba(0, 0, 0, .34);
}

.screens figcaption {
  margin-bottom: 12px;
  color: var(--cyan);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.screens img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: contain;
  object-position: top center;
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 14px;
  background: rgba(238, 242, 247, .96);
  box-shadow: none;
}

.screens figure:nth-child(2) {
  transform: translateY(30px);
}

.screens figure:nth-child(3) {
  grid-column: 1 / -1;
  width: min(380px, 100%);
  justify-self: center;
  transform: translateY(8px);
}

.screens figure:nth-child(3) img {
  aspect-ratio: 9 / 16;
  max-height: 560px;
}

.table-wrap {
  width: min(1120px, 100%);
  margin: 0 auto;
  overflow-x: auto;
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 18px;
  background: var(--panel);
}

table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
}

th,
td {
  padding: 18px;
  border-bottom: 1px solid rgba(255, 255, 255, .1);
  text-align: left;
}

th {
  color: var(--soft);
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
}

td {
  color: rgba(245, 247, 255, .88);
  font-weight: 650;
}

tbody tr:last-child td {
  border-bottom: 0;
}

.cta {
  display: grid;
  grid-template-columns: minmax(0, .8fr) minmax(360px, 1fr);
  align-items: center;
  gap: 32px;
  padding: clamp(54px, 7vw, 88px) clamp(18px, 5vw, 64px);
  border-top: 1px solid rgba(255, 255, 255, .1);
  background: linear-gradient(90deg, rgba(41, 109, 255, .18), rgba(50, 230, 210, .08));
}

.cta > div:first-child {
  max-width: 920px;
}

.cta h2 {
  margin-bottom: 0;
  font-size: clamp(36px, 5vw, 72px);
}

.contact-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 24px;
  background: rgba(8, 12, 25, .78);
  box-shadow: 0 24px 70px rgba(0, 0, 0, .34);
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: flex-end;
}

.contact-page,
.docs-page {
  min-height: 100vh;
  padding-top: 150px;
}

.contact-shell {
  display: grid;
  grid-template-columns: minmax(0, .78fr) minmax(420px, 1fr);
  width: min(1120px, 100%);
  margin: 0 auto;
  gap: 34px;
  align-items: start;
}

.contact-intro h1,
.docs-hero h1 {
  max-width: 760px;
  font-size: clamp(48px, 7vw, 92px);
}

.contact-points {
  display: grid;
  gap: 12px;
  margin-top: 34px;
}

.contact-points article {
  display: grid;
  gap: 6px;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 18px;
  background: rgba(12, 17, 32, .72);
}

.contact-points strong {
  color: var(--text);
}

.contact-points span {
  color: var(--muted);
  line-height: 1.5;
}

.contact-form-page {
  position: sticky;
  top: 130px;
}

.contact-form label {
  display: grid;
  gap: 8px;
}

.contact-form .full {
  grid-column: 1 / -1;
}

.contact-form .hp {
  position: absolute;
  left: -9999px;
}

.contact-form span {
  color: var(--soft);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 14px;
  padding: 14px 15px;
  color: var(--text);
  background: rgba(3, 5, 11, .7);
  font: inherit;
  outline: none;
}

.contact-form textarea {
  resize: vertical;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  border-color: rgba(50, 230, 210, .55);
  box-shadow: 0 0 0 3px rgba(50, 230, 210, .11);
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.form-status {
  min-height: 24px;
  margin: 0;
  color: rgba(235, 240, 255, .8);
}

.button:disabled,
.button.disabled {
  cursor: not-allowed;
  opacity: .58;
}

.start-page {
  min-height: 100vh;
  padding-top: 150px;
}

.start-page h1 {
  max-width: 920px;
  margin-inline: auto;
}

.download-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  width: min(960px, 100%);
  margin: 0 auto;
  gap: 20px;
}

.download-grid article,
.start-note {
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 24px;
  background:
    radial-gradient(circle at 20% 0%, rgba(50, 230, 210, .14), transparent 16rem),
    rgba(12, 17, 32, .8);
  box-shadow: 0 24px 70px rgba(0, 0, 0, .28);
}

.docs-hero {
  width: min(1120px, 100%);
  margin: 0 auto 42px;
  text-align: center;
}

.docs-hero h1,
.docs-hero .lead {
  margin-inline: auto;
}

.docs-layout {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  width: min(1120px, 100%);
  margin: 0 auto;
  gap: 26px;
}

.guide-gallery {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  width: min(1120px, 100%);
  margin: 0 auto 34px;
  gap: 14px;
}

.guide-gallery.compact {
  width: 100%;
  margin-top: 20px;
  margin-bottom: 0;
}

.guide-gallery figure,
.doc-figure,
.doc-grid-2 figure,
.phone-doc {
  margin: 0;
  padding: 12px;
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 18px;
  background: rgba(8, 12, 25, .78);
  box-shadow: 0 18px 54px rgba(0, 0, 0, .26);
}

.guide-gallery img,
.doc-figure img,
.doc-grid-2 img,
.phone-doc img {
  width: 100%;
  height: auto;
  object-fit: contain;
  border-radius: 12px;
  background: rgba(238, 242, 247, .96);
}

.guide-gallery figcaption,
.doc-figure figcaption,
.doc-grid-2 figcaption,
.phone-doc figcaption {
  margin-top: 10px;
  color: var(--soft);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.docs-toc {
  position: sticky;
  top: 130px;
  display: grid;
  align-self: start;
  gap: 8px;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 20px;
  background: rgba(8, 12, 25, .78);
}

.docs-toc a {
  padding: 10px 12px;
  border-radius: 12px;
  color: var(--muted);
  font-weight: 750;
}

.docs-toc a:hover {
  color: var(--text);
  background: rgba(50, 230, 210, .08);
}

.docs-content {
  display: grid;
  gap: 18px;
}

.docs-content section {
  scroll-margin-top: 130px;
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 22px;
  background:
    radial-gradient(circle at 20% 0%, rgba(50, 230, 210, .12), transparent 16rem),
    rgba(12, 17, 32, .78);
}

.docs-content section > :last-child {
  margin-bottom: 0;
}

.docs-content h2 {
  font-size: clamp(30px, 4vw, 48px);
}

.docs-content h3 {
  margin-top: 24px;
  font-size: 22px;
}

.docs-content p,
.docs-content li {
  color: var(--muted);
  line-height: 1.68;
}

.docs-content ul,
.docs-content ol {
  display: grid;
  gap: 10px;
  padding-left: 22px;
}

.docs-content code {
  padding: 2px 6px;
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 7px;
  color: rgba(245, 247, 255, .92);
  background: rgba(3, 5, 11, .58);
  font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
  font-size: .92em;
}

.docs-content pre {
  overflow-x: auto;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 16px;
  background: rgba(2, 4, 10, .78);
}

.docs-content pre code {
  padding: 0;
  border: 0;
  background: transparent;
  color: rgba(235, 240, 255, .86);
}

.doc-callout,
.architecture-flow,
.doc-matrix,
.doc-grid-2,
.doc-split,
.code-list {
  margin-top: 20px;
}

.doc-callout {
  padding: 18px;
  border: 1px solid rgba(50, 230, 210, .22);
  border-radius: 18px;
  background: rgba(50, 230, 210, .07);
}

.doc-callout strong {
  display: block;
  margin-bottom: 8px;
  color: var(--cyan);
}

.doc-matrix,
.architecture-flow,
.doc-grid-2 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

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

.doc-matrix article,
.architecture-flow article {
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 16px;
  background: rgba(3, 5, 11, .44);
}

.doc-matrix span {
  display: inline-flex;
  margin-bottom: 16px;
  color: var(--cyan);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.architecture-flow article {
  display: grid;
  gap: 8px;
}

.architecture-flow strong {
  color: var(--text);
}

.architecture-flow span {
  color: var(--muted);
  line-height: 1.55;
}

.doc-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 260px;
  gap: 20px;
  align-items: start;
}

.phone-doc img {
  max-height: 520px;
}

.code-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.code-list code {
  display: inline-flex;
}

.download-grid article > span {
  display: grid;
  width: 48px;
  height: 48px;
  margin-bottom: 30px;
  place-items: center;
  border: 1px solid rgba(50, 230, 210, .32);
  border-radius: 50%;
  color: var(--cyan);
  background: rgba(50, 230, 210, .08);
  font-size: 12px;
  font-weight: 900;
}

.download-grid p,
.start-note p {
  color: var(--muted);
  line-height: 1.65;
}

.start-note {
  width: min(960px, 100%);
  margin: 22px auto 0;
  text-align: center;
}

@media (max-width: 820px) {
  .site-header {
    top: 14px;
    grid-template-columns: auto auto;
    width: calc(100% - 28px);
  }

  .nav {
    display: none;
  }

  .hero {
    padding-top: 118px;
  }

  .hero::before {
    width: 880px;
  }

  .split,
  .section-heading,
  .premium-panel {
    grid-template-columns: 1fr;
  }

  .benefit-grid,
  .detail-grid,
  .advantage-grid,
  .fact-grid,
  .solution-grid,
  .scenario-grid,
  .mode-grid,
  .screens,
  .flow-line,
  .use-case-list,
  .appliance-layout {
    grid-template-columns: 1fr;
  }

  .flow-line::before {
    display: none;
  }

  .screens img {
    height: auto;
  }

  .screens figure {
    transform: none !important;
  }

  .floating-metric {
    display: none;
  }

  .cta,
  .download-grid,
  .contact-shell,
  .docs-layout,
  .guide-gallery,
  .doc-matrix,
  .architecture-flow,
  .doc-grid-2,
  .doc-split {
    grid-template-columns: 1fr;
  }

  .contact-form {
    grid-template-columns: 1fr;
  }

  .contact-form-page,
  .docs-toc {
    position: static;
  }

  .cta-actions {
    justify-content: flex-start;
  }
}

@media (max-width: 640px) {
  .brand {
    letter-spacing: 5px;
  }

  .header-cta {
    padding: 0 16px;
    font-size: 11px;
    letter-spacing: 1px;
  }

  h1 {
    font-size: 50px;
  }

  .lead {
    font-size: 17px;
  }

  .hero-visual {
    margin-top: 26px;
  }

  .status-card {
    position: static;
    width: auto;
    margin: 14px;
  }

  .phone-shot {
    right: 16px;
    bottom: 98px;
    width: 136px;
  }

  .premium-features {
    grid-template-columns: 1fr;
  }
}