:root {
  color-scheme: dark;
  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;

  --bg: #030303;
  --bg-soft: #070706;
  --card: #0c0b09;
  --card-strong: #12100c;
  --text: #f7f9fc;
  --muted: #a39c91;
  --line: rgba(255, 255, 255, 0.09);
  --accent: #ff7a00;
  --accent-bright: #ff8f1f;
  --accent-soft: rgba(255, 122, 0, 0.13);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(
      circle at 82% 8%,
      rgba(255, 122, 0, 0.06),
      transparent 28rem
    ),
    linear-gradient(
      180deg,
      #030303 0%,
      #060504 55%,
      #030303 100%
    );
}

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

.site-header {
  position: relative;
  width: min(1180px, calc(100% - 40px));
  min-height: 82px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-size: 1.03rem;
  font-weight: 850;
  letter-spacing: -0.02em;
}

.brand img {
  border-radius: 13px;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 26px;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 650;
}

.header-nav a:hover {
  color: var(--text);
}

.mobile-menu-toggle {
  display: none;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: transparent;
  color: var(--text);
  font: inherit;
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
}

.mobile-site-nav {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  z-index: 20;
  display: grid;
  gap: 10px;
  min-width: min(100vw - 28px, 320px);
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(8, 8, 8, 0.96);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.45);
}

.mobile-site-nav[hidden] {
  display: none;
}

.mobile-site-nav a {
  padding: 10px 12px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.03);
}

.sales-link {
  color: var(--accent-bright);
}

.cabinet-link {
  padding: 9px 13px;
  border: 1px solid var(--line);
  border-radius: 11px;
}

main {
  overflow: hidden;
}

.hero {
  width: min(1180px, calc(100% - 40px));
  min-height: 650px;
  margin: 0 auto;
  padding: 76px 0 86px;
  display: grid;
  grid-template-columns:
    minmax(0, 1.08fr)
    minmax(360px, 0.92fr);
  align-items: center;
  gap: clamp(50px, 8vw, 110px);
}

.eyebrow {
  margin: 0 0 17px;
  color: var(--accent-bright);
  font-size: 0.73rem;
  font-weight: 900;
  letter-spacing: 0.18em;
}

.hero h1 {
  max-width: 720px;
  margin: 0;
  font-size: clamp(3rem, 6.1vw, 5.7rem);
  line-height: 0.98;
  letter-spacing: -0.065em;
}

.hero h1 span {
  display: block;
  color: var(--accent-bright);
}

.hero-text {
  max-width: 650px;
  margin: 28px 0 0;
  color: #c8c0b5;
  font-size: clamp(1.02rem, 1.7vw, 1.22rem);
  line-height: 1.7;
}

.hero-actions {
  margin-top: 34px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.primary-button,
.secondary-button {
  min-height: 52px;
  padding: 0 22px;
  border-radius: 13px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 850;
  transition:
    transform 160ms ease,
    border-color 160ms ease,
    background 160ms ease;
}

.primary-button {
  color: #ffffff;
  background: linear-gradient(
    135deg,
    #e85d00,
    #ff7a00
  );
  box-shadow:
    0 16px 42px rgba(255, 122, 0, 0.24);
}

.secondary-button {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.025);
}

.primary-button:hover,
.secondary-button:hover {
  transform: translateY(-1px);
}

.secondary-button:hover {
  border-color: rgba(255, 255, 255, 0.18);
}

.hero-note {
  max-width: 570px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.6;
}

.install-button {
  border: 0;
  cursor: pointer;
  font: inherit;
}

.install-button:disabled {
  cursor: default;
  opacity: 0.72;
  transform: none;
}

.install-platform-note {
  max-width: 570px;
  margin: 12px 0 0;
  color: #c8c0b5;
  font-size: 0.84rem;
  line-height: 1.55;
}

.install-platform-note[hidden] {
  display: none;
}

.install-help {
  max-width: 570px;
  margin-top: 16px;
  padding: 16px 18px;
  border: 1px solid rgba(255, 122, 0, 0.20);
  border-radius: 14px;
  background: rgba(255, 122, 0, 0.06);
}

.install-help[hidden] {
  display: none;
}

.install-help strong {
  display: block;
  margin-bottom: 5px;
  color: var(--text);
}

.install-help p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.install-help-steps {
  margin: 14px 0 0;
  padding-left: 22px;
  color: #d8d1c7;
  line-height: 1.6;
}

.install-help-steps[hidden] {
  display: none;
}

.install-help-steps li + li {
  margin-top: 7px;
}

.hero-product {
  position: relative;
}

.hero-product::before {
  content: "";
  position: absolute;
  inset: -35px;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    rgba(255, 122, 0, 0.13),
    transparent 66%
  );
  filter: blur(18px);
}

.product-window {
  position: relative;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background:
    linear-gradient(
      145deg,
      rgba(18, 17, 14, 0.98),
      rgba(6, 6, 6, 0.99)
    );
  box-shadow:
    0 38px 100px rgba(0, 0, 0, 0.38);
}

.product-top {
  padding: 5px 4px 18px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.product-label {
  margin: 0 0 5px;
  color: var(--muted);
  font-size: 0.65rem;
  font-weight: 900;
  letter-spacing: 0.16em;
}

.product-top strong {
  font-size: 1.05rem;
}

.live-dot {
  width: 10px;
  height: 10px;
  margin-top: 4px;
  border-radius: 50%;
  background: var(--accent-bright);
  box-shadow:
    0 0 0 7px rgba(255, 122, 0, 0.12);
}

.product-feature {
  margin-top: 10px;
  padding: 17px;
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 14px;
  align-items: start;
  border: 1px solid var(--line);
  border-radius: 17px;
  background: rgba(255, 255, 255, 0.028);
}

.feature-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  color: var(--accent-bright);
  background: var(--accent-soft);
  font-size: 0.73rem;
  font-weight: 900;
}

.product-feature strong {
  display: block;
  margin: 1px 0 5px;
}

.product-feature p {
  margin: 0;
  color: var(--muted);
  font-size: 0.85rem;
  line-height: 1.55;
}

.section {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 94px 0;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 38px;
}

.section-heading h2,
.final-cta h2 {
  margin: 0;
  font-size: clamp(2rem, 4.3vw, 3.65rem);
  line-height: 1.05;
  letter-spacing: -0.045em;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.feature-card {
  min-height: 220px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--card);
}

.feature-card > span {
  color: var(--accent-bright);
  font-size: 0.72rem;
  font-weight: 900;
}

.feature-card h3 {
  margin: 34px 0 11px;
  font-size: 1.2rem;
}

.feature-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

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

.steps {
  display: grid;
  gap: 12px;
}

.steps article {
  padding: 22px 0;
  display: grid;
  grid-template-columns: 68px 1fr;
  gap: 20px;
  border-top: 1px solid var(--line);
}

.steps article > strong {
  color: var(--accent-bright);
  font-size: 1.55rem;
}

.steps h3 {
  margin: 0 0 7px;
  font-size: 1.1rem;
}

.steps p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.trainer-section {
  padding-top: 52px;
}

.trainer-card {
  padding: clamp(28px, 5vw, 58px);
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 36px;
  border: 1px solid rgba(255, 122, 0, 0.18);
  border-radius: 28px;
  background:
    linear-gradient(
      135deg,
      rgba(255, 122, 0, 0.06),
      rgba(255, 255, 255, 0.018)
    );
}

.trainer-card > div {
  max-width: 720px;
}

.trainer-card h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.25rem);
  line-height: 1.08;
  letter-spacing: -0.045em;
}

.trainer-card p:not(.eyebrow) {
  max-width: 650px;
  margin: 18px 0 0;
  color: var(--muted);
  line-height: 1.7;
}

.trainer-route {
  margin-top: 22px;
  display: grid;
  gap: 8px;
}

.trainer-route span {
  width: fit-content;
  padding: 8px 11px;
  border: 1px solid var(--line);
  border-radius: 10px;
  color: #d7d0c5;
  background: rgba(255, 255, 255, 0.025);
  font-size: 0.82rem;
  font-weight: 700;
}

.trainer-button {
  flex: 0 0 auto;
  white-space: nowrap;
}

.final-cta {
  width: min(900px, calc(100% - 40px));
  margin: 70px auto 120px;
  padding: 74px 30px;
  border-top: 1px solid var(--line);
  text-align: center;
}

.final-cta p:not(.eyebrow) {
  max-width: 560px;
  margin: 20px auto 29px;
  color: var(--muted);
  line-height: 1.7;
}

.site-footer {
  width: min(1180px, calc(100% - 40px));
  min-height: 90px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.83rem;
}

.site-footer a:hover {
  color: var(--text);
}

@media (max-width: 860px) {
  .hero {
    min-height: auto;
    padding-top: 54px;
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-product {
    width: min(100%, 560px);
  }

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

  .feature-card {
    min-height: 205px;
  }

  .feature-card h3 {
    margin-top: 35px;
  }

  .trainer-card {
    align-items: stretch;
    flex-direction: column;
  }

  .trainer-button {
    width: 100%;
  }
}

@media (max-width: 620px) {
  .site-header,
  .hero,
  .section,
  .site-footer {
    width: min(100% - 28px, 1180px);
  }

  .site-header {
    min-height: 72px;
    flex-wrap: wrap;
    align-items: center;
  }

  .brand span {
    font-size: 0.93rem;
  }

  .mobile-menu-toggle {
    display: inline-flex;
    margin-left: auto;
  }

  .header-nav {
    display: none;
  }

  .mobile-site-nav:not([hidden]) {
    display: grid;
    width: 100%;
  }

  .cabinet-link {
    padding: 8px 10px;
    font-size: 0.78rem;
  }

  .hero {
    padding: 48px 0 68px;
    gap: 48px;
  }

  .hero h1 {
    font-size: clamp(2.75rem, 14.5vw, 4.6rem);
  }

  .hero-text {
    margin-top: 22px;
  }

  .hero-actions {
    display: grid;
  }

  .primary-button,
  .secondary-button {
    width: 100%;
  }

  .product-window {
    padding: 14px;
    border-radius: 22px;
  }

  .product-feature {
    padding: 14px;
  }

  .section {
    padding: 70px 0;
  }

  .steps article {
    grid-template-columns: 44px 1fr;
  }

  .trainer-section {
    padding-top: 35px;
  }

  .trainer-card {
    padding: 26px 20px;
    border-radius: 22px;
  }

  .final-cta {
    width: calc(100% - 28px);
    margin-bottom: 82px;
    padding: 62px 12px;
  }

  .site-footer {
    min-height: 100px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .primary-button,
  .secondary-button {
    transition: none;
  }
}