:root {
  --night: #071b35;
  --navy: #0b2d57;
  --blue: #1468b8;
  --sky: #46a9ff;
  --ice: #eef7ff;
  --line: #d8e8f5;
  --white: #ffffff;
  --text: #102033;
  --muted: #627184;
  --shadow: 0 18px 48px rgba(7, 27, 53, .13);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  background: #f7fbff;
  font-family: "Segoe UI", Arial, sans-serif;
}

.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 14px clamp(18px, 4vw, 68px);
  background: rgba(255,255,255,.96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.brand img {
  width: 238px;
  max-width: 58vw;
  display: block;
}

.nav nav {
  display: flex;
  align-items: center;
  gap: 22px;
  flex-wrap: wrap;
}

.nav a {
  color: var(--navy);
  font-size: 15px;
  font-weight: 750;
  text-decoration: none;
}

.hero {
  min-height: calc(100vh - 76px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, .88fr);
  gap: clamp(26px, 5vw, 62px);
  align-items: center;
  padding: clamp(34px, 6vw, 86px);
  background:
    linear-gradient(115deg, rgba(7,27,53,.96) 0%, rgba(8,38,74,.92) 52%, rgba(7,27,53,.28) 100%),
    radial-gradient(circle at 68% 20%, rgba(70,169,255,.25), transparent 30%),
    linear-gradient(135deg, #071b35, #0b2d57);
}

.hero-copy {
  color: white;
  max-width: 790px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--sky);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0 0 18px;
  color: white;
  font-size: clamp(36px, 5vw, 66px);
  line-height: 1.02;
  letter-spacing: 0;
}

.lead,
.hero p {
  color: rgba(255,255,255,.88);
  font-size: clamp(18px, 2vw, 21px);
  line-height: 1.55;
}

.actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 13px 20px;
  border-radius: 8px;
  font-weight: 800;
  text-decoration: none;
}

.primary {
  background: var(--sky);
  color: #03162d;
}

.ghost {
  color: white;
  border: 1px solid rgba(255,255,255,.54);
}

.hero-panel {
  padding: 16px;
  border: 1px solid rgba(255,255,255,.42);
  border-radius: 8px;
  background: rgba(255,255,255,.96);
  box-shadow: 0 28px 70px rgba(0,0,0,.23);
}

.coach-panel {
  display: grid;
  gap: 16px;
}

.coach-photo {
  width: 100%;
  aspect-ratio: 1.16 / 1;
  object-fit: cover;
  object-position: center;
  display: block;
  border-radius: 8px;
}

.product-identity {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
}

.product-logo {
  width: 100%;
  display: block;
}

.section {
  padding: clamp(42px, 6vw, 88px) clamp(18px, 5vw, 76px);
}

.section h2 {
  max-width: 980px;
  margin: 0 0 18px;
  color: var(--night);
  font-size: clamp(28px, 4vw, 48px);
  line-height: 1.12;
  letter-spacing: 0;
}

.section p,
.section li {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.68;
}

.cards,
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 24px;
}

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

.cards article,
.feature-grid article,
.contact,
.identity-panel,
.product-card {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
  box-shadow: 0 12px 34px rgba(20, 104, 184, .08);
}

.cards h3,
.feature-grid h3 {
  margin: 0 0 10px;
  color: var(--navy);
  font-size: 23px;
}

.feature-grid ul {
  margin: 0;
  padding-left: 20px;
}

.product {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, .72fr);
  gap: 36px;
  align-items: center;
  color: white;
  background:
    linear-gradient(145deg, rgba(7,27,53,.98), rgba(11,45,87,.96)),
    var(--night);
}

.product h2,
.product p {
  color: white;
}

.product p {
  color: rgba(255,255,255,.84);
}

.product-card {
  background: linear-gradient(180deg, white, #f4f9ff);
}

.product-logo.large {
  max-width: 560px;
  margin: 0 auto;
}

.badges {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 20px;
}

.badges span {
  padding: 8px 12px;
  border: 1px solid rgba(70,169,255,.42);
  border-radius: 8px;
  color: white;
  background: rgba(70,169,255,.15);
  font-weight: 800;
}

.story {
  background: linear-gradient(180deg, #f7fbff, #eef7ff);
}

.story-panel {
  max-width: 980px;
  padding: clamp(22px, 4vw, 34px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
  box-shadow: var(--shadow);
}

.story-panel p {
  margin: 0 0 16px;
}

.hash {
  display: block;
  max-width: 100%;
  padding: 12px;
  border-radius: 8px;
  color: var(--night);
  background: #eef7ff;
  white-space: normal;
  overflow-wrap: anywhere;
  font-size: 14px;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, .95fr) minmax(340px, .78fr);
  gap: 30px;
  align-items: start;
}

.identity-panel img {
  width: 100%;
  display: block;
  margin-bottom: 14px;
}

.contact a {
  color: var(--blue);
  font-weight: 800;
}

footer {
  padding: 28px;
  color: white;
  text-align: center;
  background: var(--night);
}

.footer-links,
.footer-links-standalone {
  display: flex;
  justify-content: center;
  gap: 12px 18px;
  flex-wrap: wrap;
  padding: 0 28px 28px;
  background: var(--night);
}

.footer-links a {
  color: #d9ecff;
  font-weight: 750;
  text-decoration: none;
}

.footer-links a:hover {
  color: white;
  text-decoration: underline;
}

.doc-main {
  max-width: 1120px;
  margin: 0 auto;
  padding: clamp(32px, 5vw, 72px) clamp(18px, 4vw, 42px);
}

.doc-hero {
  padding: clamp(26px, 4vw, 46px);
  border-radius: 8px;
  color: white;
  background: linear-gradient(135deg, var(--night), var(--navy));
  box-shadow: var(--shadow);
}

.doc-hero h1 {
  margin: 0 0 12px;
  font-size: clamp(32px, 5vw, 54px);
  line-height: 1.06;
}

.doc-hero p {
  max-width: 860px;
  color: rgba(255,255,255,.86);
  font-size: 19px;
  line-height: 1.62;
}

.doc-section {
  margin-top: 22px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
  box-shadow: 0 12px 34px rgba(20, 104, 184, .07);
}

.doc-section h2,
.doc-card h2,
.doc-card h3 {
  margin-top: 0;
  color: var(--night);
}

.doc-section p,
.doc-section li,
.doc-card p,
.doc-card li {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.66;
}

.doc-grid,
.help-grid,
.video-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 22px;
}

.doc-card {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
  box-shadow: 0 12px 34px rgba(20, 104, 184, .07);
}

.doc-card a,
.doc-section a {
  color: var(--blue);
  font-weight: 800;
}

.notice {
  border-left: 5px solid var(--blue);
  background: var(--ice);
}

.warning {
  border-left-color: #ff8a00;
}

.danger {
  border-left-color: #d62d20;
}

.steps {
  counter-reset: step;
  padding-left: 0;
  list-style: none;
}

.steps li {
  counter-increment: step;
  position: relative;
  padding-left: 46px;
  margin: 14px 0;
}

.steps li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 2px;
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: white;
  background: var(--blue);
  font-weight: 800;
}

.placeholder {
  min-height: 140px;
  display: grid;
  place-items: center;
  border: 1px dashed #9bc5ea;
  border-radius: 8px;
  color: var(--muted);
  background: #f8fcff;
  text-align: center;
  font-weight: 750;
}

.faq-item {
  margin: 14px 0;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfdff;
}

.faq-item strong {
  display: block;
  margin-bottom: 8px;
  color: var(--night);
}

@media (max-width: 980px) {
  .hero,
  .product,
  .split {
    grid-template-columns: minmax(0, 1fr);
  }

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

@media (max-width: 720px) {
  .nav {
    align-items: flex-start;
    gap: 12px;
    padding-inline: 16px;
  }

  .brand img {
    width: 210px;
    max-width: 78vw;
  }

  .nav nav {
    width: 100%;
    gap: 8px;
  }

  .nav nav a {
    padding: 8px 10px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #f8fbff;
    font-size: 13px;
  }

  .hero {
    min-height: auto;
    padding: 30px 18px;
  }

  .hero-panel,
  .product-card,
  .identity-panel,
  .cards article,
  .feature-grid article,
  .contact {
    min-width: 0;
  }

  .hero h1 {
    font-size: 36px;
  }

  .actions {
    display: grid;
  }

  .coach-photo {
    aspect-ratio: 1.05 / 1;
  }

  .section {
    padding: 42px 18px;
  }
}