:root {
  --bg: #f7fbfb;
  --surface: #ffffff;
  --surface-soft: #edf7f5;
  --ink: #082033;
  --muted: #5f7182;
  --line: #d9e8e7;
  --teal: #0bbf9a;
  --teal-dark: #05876f;
  --navy: #09263c;
  --shadow: 0 24px 70px rgba(9, 38, 60, 0.14);
  --radius: 8px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--bg);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 82% 12%, rgba(11, 191, 154, 0.13), transparent 28rem),
    linear-gradient(180deg, #ffffff 0%, var(--bg) 54%, #ffffff 100%);
  color: var(--ink);
}

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

svg {
  display: block;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
  padding: 18px 0;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(18px);
}

.brand,
.site-nav,
.hero-actions,
.app-card-header,
.app-meta,
.download-actions,
.site-footer {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0;
  white-space: nowrap;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: var(--radius);
  background: var(--navy);
  color: var(--teal);
}

.brand-mark svg {
  width: 24px;
  height: 24px;
}

.brand-mark path:first-child {
  fill: currentColor;
  stroke: none;
}

.brand-mark path:last-child {
  fill: none;
  stroke: #ffffff;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2.6;
}

.site-nav {
  gap: 28px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.site-nav a,
.header-cta,
.button {
  transition: transform 160ms ease, color 160ms ease, background 160ms ease, border-color 160ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--ink);
}

.header-cta {
  min-height: 42px;
  padding: 12px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--navy);
  font-size: 14px;
  font-weight: 800;
  background: var(--surface);
  box-shadow: 0 8px 24px rgba(9, 38, 60, 0.06);
}

.header-cta:hover,
.button:hover {
  transform: translateY(-2px);
}

.section-shell {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.82fr);
  align-items: center;
  gap: 64px;
  min-height: 760px;
  padding: 64px 0 82px;
}

.hero-copy h1 {
  max-width: 680px;
  margin: 0;
  color: var(--navy);
  font-size: clamp(44px, 6vw, 76px);
  font-weight: 850;
  line-height: 0.98;
  letter-spacing: 0;
}

.hero-copy p {
  max-width: 620px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: clamp(17px, 2vw, 20px);
  line-height: 1.7;
}

.hero-actions {
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  border-radius: var(--radius);
  padding: 15px 22px;
  border: 1px solid transparent;
  font-size: 15px;
  font-weight: 850;
  line-height: 1.15;
}

.button-primary {
  color: #ffffff;
  background: var(--teal-dark);
  box-shadow: 0 16px 32px rgba(5, 135, 111, 0.28);
}

.button-primary:hover,
.button-primary:focus-visible {
  background: #046d5d;
}

.button-secondary {
  color: var(--navy);
  background: #ffffff;
  border-color: var(--line);
}

.hero-proof {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  max-width: 620px;
  margin: 42px 0 0;
}

.hero-proof div {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.72);
}

.hero-proof dt,
.app-card-header p,
.feature-item p,
.section-heading p,
.download-panel p,
.site-footer {
  color: var(--muted);
}

.hero-proof dt {
  margin-bottom: 7px;
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.hero-proof dd {
  margin: 0;
  color: var(--navy);
  font-size: 16px;
  font-weight: 850;
}

.hero-visual {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 650px;
}

.phone-frame {
  position: relative;
  z-index: 1;
  width: min(330px, 74vw);
  padding: 14px;
  border: 1px solid rgba(8, 32, 51, 0.16);
  border-radius: 36px;
  background: linear-gradient(145deg, #102b42, #061624);
  box-shadow: var(--shadow), inset 0 1px 0 rgba(255, 255, 255, 0.18);
}

.phone-speaker {
  position: absolute;
  top: 13px;
  left: 50%;
  width: 72px;
  height: 7px;
  transform: translateX(-50%);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.2);
}

.phone-screen {
  overflow: hidden;
  min-height: 606px;
  padding: 28px 22px;
  border-radius: 26px;
  background:
    linear-gradient(180deg, rgba(11, 191, 154, 0.16), transparent 38%),
    #f8fffd;
}

.app-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--navy);
  font-size: 15px;
  font-weight: 850;
}

.status-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 0 8px rgba(11, 191, 154, 0.12);
}

.connection-ring {
  position: relative;
  display: grid;
  place-items: center;
  width: 220px;
  height: 220px;
  margin: 52px auto 40px;
}

.connection-ring svg {
  position: absolute;
  inset: 0;
  transform: rotate(-86deg);
}

.ring-track,
.ring-progress {
  fill: none;
  stroke-width: 14;
}

.ring-track {
  stroke: #d7efeb;
}

.ring-progress {
  stroke: var(--teal);
  stroke-linecap: round;
  stroke-dasharray: 452;
  stroke-dashoffset: 92;
}

.connection-center {
  display: grid;
  place-items: center;
  width: 128px;
  height: 128px;
  border-radius: 50%;
  background: #ffffff;
  box-shadow: 0 18px 42px rgba(9, 38, 60, 0.14);
}

.connection-center span {
  align-self: end;
  color: var(--muted);
  font-size: 13px;
  font-weight: 750;
}

.connection-center strong {
  align-self: start;
  color: var(--navy);
  font-size: 24px;
}

.server-list {
  display: grid;
  gap: 12px;
}

.server-row {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 12px;
  align-items: center;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #ffffff;
}

.server-row.active {
  border-color: rgba(11, 191, 154, 0.48);
  box-shadow: 0 14px 30px rgba(5, 135, 111, 0.1);
}

.server-row > span,
.app-icon {
  display: grid;
  place-items: center;
  border-radius: var(--radius);
  color: #ffffff;
  font-weight: 900;
}

.server-row > span {
  width: 44px;
  height: 44px;
  background: var(--navy);
  font-size: 13px;
}

.server-row strong {
  display: block;
  color: var(--navy);
  font-size: 14px;
}

.server-row small {
  color: var(--muted);
  font-size: 12px;
}

.signal-card {
  position: absolute;
  z-index: 2;
  display: grid;
  gap: 5px;
  width: 212px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 18px 42px rgba(9, 38, 60, 0.13);
}

.signal-card-left {
  top: 102px;
  left: -8px;
}

.signal-card-right {
  right: -16px;
  bottom: 122px;
}

.signal-card strong {
  color: var(--navy);
  font-size: 14px;
}

.signal-card span:last-child {
  color: var(--muted);
  font-size: 12px;
}

.signal-icon,
.feature-icon {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  margin-bottom: 5px;
  border-radius: var(--radius);
  color: var(--teal-dark);
  background: var(--surface-soft);
}

.signal-icon svg,
.feature-icon svg {
  width: 24px;
  height: 24px;
}

.signal-icon path,
.signal-icon circle,
.feature-icon path,
.feature-icon rect,
.feature-icon circle {
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

.apps-section,
.features-section,
.download-section {
  padding: 86px 0;
}

.section-heading {
  max-width: 680px;
  margin-bottom: 34px;
}

.section-heading h2,
.download-panel h2 {
  margin: 0;
  color: var(--navy);
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.08;
}

.section-heading p,
.download-panel p {
  margin: 14px 0 0;
  font-size: 17px;
  line-height: 1.65;
}

.app-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.app-card {
  display: flex;
  flex-direction: column;
  min-height: 392px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 18px 44px rgba(9, 38, 60, 0.07);
}

.app-card-header {
  gap: 16px;
}

.app-icon {
  width: 64px;
  height: 64px;
  flex: 0 0 auto;
  font-size: 18px;
}

.app-icon-india {
  background: linear-gradient(135deg, #ff8a30, #0bbf9a 52%, #0b3d91);
}

.app-icon-russia {
  background: linear-gradient(135deg, #ffffff 0%, #2d64d8 45%, #e33d4e 100%);
  color: var(--navy);
}

.app-card h3,
.feature-item h3 {
  margin: 0;
  color: var(--navy);
  font-size: 22px;
  line-height: 1.2;
}

.app-card-header p {
  margin: 6px 0 0;
  font-weight: 700;
}

.app-description {
  margin: 24px 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.65;
}

.app-meta {
  flex-wrap: wrap;
  gap: 10px;
  margin: auto 0 22px;
}

.app-meta span {
  padding: 8px 11px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--navy);
  background: var(--surface-soft);
  font-size: 13px;
  font-weight: 800;
}

.button-card {
  width: 100%;
  color: #ffffff;
  background: var(--navy);
}

.button-card:hover,
.button-card:focus-visible {
  background: #123a58;
}

.features-section {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.feature-item {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.72);
}

.feature-item p {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.6;
}

.download-panel {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 32px;
  align-items: center;
  padding: clamp(28px, 5vw, 52px);
  border-radius: var(--radius);
  color: #ffffff;
  background:
    linear-gradient(135deg, rgba(11, 191, 154, 0.24), transparent 44%),
    var(--navy);
  box-shadow: var(--shadow);
}

.download-panel h2,
.download-panel p {
  color: #ffffff;
}

.download-panel p {
  max-width: 690px;
  color: rgba(255, 255, 255, 0.76);
}

.download-actions {
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 12px;
  max-width: 370px;
}

.download-panel .button-secondary {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.18);
}

.download-panel .button-primary {
  background: var(--teal);
  color: var(--navy);
  box-shadow: none;
}

.site-footer {
  justify-content: space-between;
  gap: 16px;
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
  padding: 28px 0 36px;
  border-top: 1px solid var(--line);
  font-size: 14px;
}

.site-footer span:first-child {
  color: var(--navy);
  font-weight: 850;
}

@media (max-width: 980px) {
  .site-header {
    width: min(100% - 28px, 720px);
  }

  .site-nav {
    display: none;
  }

  .section-shell {
    width: min(100% - 28px, 720px);
  }

  .hero {
    grid-template-columns: 1fr;
    gap: 34px;
    min-height: auto;
    padding-top: 48px;
  }

  .hero-copy h1,
  .hero-copy p,
  .section-heading {
    max-width: none;
  }

  .hero-visual {
    min-height: 620px;
  }

  .signal-card-left {
    left: 0;
  }

  .signal-card-right {
    right: 0;
  }

  .app-grid,
  .download-panel {
    grid-template-columns: 1fr;
  }

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

  .download-actions {
    justify-content: flex-start;
    max-width: none;
  }
}

@media (max-width: 620px) {
  .site-header {
    gap: 12px;
    padding: 12px 0;
  }

  .brand {
    font-size: 16px;
  }

  .brand-mark {
    width: 34px;
    height: 34px;
  }

  .header-cta {
    display: none;
  }

  .hero {
    width: calc(100vw - 28px);
    padding: 38px 0 62px;
  }

  .hero-copy,
  .hero-copy h1,
  .hero-copy p {
    width: calc(100vw - 28px);
    max-width: calc(100vw - 28px);
  }

  .hero-copy h1 {
    font-size: clamp(34px, 10.5vw, 42px);
    line-height: 1.04;
  }

  .hero-copy p,
  .section-heading p,
  .download-panel p {
    font-size: 16px;
  }

  .hero-actions,
  .download-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .hero-proof {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    min-height: 570px;
  }

  .phone-frame {
    width: min(305px, 100%);
  }

  .phone-screen {
    min-height: 540px;
    padding: 26px 18px;
  }

  .connection-ring {
    width: 194px;
    height: 194px;
    margin: 42px auto 34px;
  }

  .signal-card {
    position: static;
    width: min(305px, 100%);
    margin-top: 14px;
  }

  .hero-visual {
    display: flex;
    flex-direction: column;
  }

  .signal-card-left {
    order: 2;
  }

  .signal-card-right {
    order: 3;
  }

  .apps-section,
  .features-section,
  .download-section {
    padding: 64px 0;
  }

  .app-card,
  .feature-item {
    padding: 22px;
  }

  .app-card-header {
    align-items: flex-start;
  }

  .app-icon {
    width: 54px;
    height: 54px;
  }

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

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}