:root {
  --ink: #17211c;
  --muted: #5d6f65;
  --paper: #f8faf4;
  --line: #dce6dc;
  --green: #24724f;
  --lime: #c7dc58;
  --coral: #f28b6c;
  --blue: #3d78b4;
  --white: #ffffff;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(248, 250, 244, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.nav {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
}

.brand-mark {
  width: 40px;
  height: 40px;
  display: inline-grid;
  place-items: center;
  color: var(--white);
  background: var(--green);
  border-radius: 8px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 700;
}

.hero {
  width: min(1120px, calc(100% - 32px));
  min-height: calc(100vh - 72px);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.7fr);
  gap: 42px;
  align-items: center;
  padding: 46px 0 72px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  margin: 0;
  max-width: 780px;
  font-size: clamp(2.5rem, 6vw, 5.7rem);
  line-height: 0.96;
  letter-spacing: 0;
}

h2 {
  margin: 0;
  font-size: clamp(1.7rem, 3vw, 3rem);
  line-height: 1.05;
  letter-spacing: 0;
}

h3 {
  margin: 0 0 10px;
  font-size: 1.08rem;
}

.hero-text {
  max-width: 650px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 1.1rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border: 1px solid var(--green);
  border-radius: 8px;
  font-weight: 800;
}

.button.primary {
  color: var(--white);
  background: var(--green);
}

.button.secondary {
  color: var(--green);
  background: transparent;
}

.today-panel {
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 20px 60px rgba(36, 114, 79, 0.12);
}

.panel-top {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  color: var(--muted);
}

.panel-top strong {
  color: var(--ink);
}

.workout-ring {
  width: min(250px, 72vw);
  aspect-ratio: 1;
  margin: 32px auto;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: conic-gradient(var(--green) 45%, #e9efe6 0);
}

.workout-ring span {
  width: 68%;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--white);
  color: var(--green);
  font-size: 2rem;
  font-weight: 800;
}

.mini-list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--muted);
}

.mini-list span {
  width: 10px;
  height: 10px;
  display: inline-block;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--lime);
}

.section {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 78px 0;
  border-top: 1px solid var(--line);
}

.two-column {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1fr);
  gap: 44px;
  align-items: start;
}

.two-column > p {
  margin: 0;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.75;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 28px;
}

.section-note {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.65;
}

.feature-grid,
.team-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.feature-card,
.team-grid article,
.recommendation {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.feature-card {
  min-height: 210px;
  padding: 22px;
}

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

.preview-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.preview-grid article {
  min-height: 230px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.preview-grid ol {
  display: grid;
  gap: 12px;
  margin: 16px 0 0;
  padding-left: 22px;
  color: var(--muted);
  line-height: 1.5;
}

.icon {
  width: 38px;
  height: 38px;
  display: inline-grid;
  place-items: center;
  margin-bottom: 20px;
  border-radius: 8px;
  background: #eff5dc;
  color: var(--green);
  font-size: 0.82rem;
  font-weight: 800;
}

.demo-area {
  display: grid;
  grid-template-columns: minmax(0, 0.62fr) minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}

.tabs {
  display: flex;
  gap: 8px;
  align-self: end;
  justify-self: start;
}

.tab {
  min-height: 42px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--muted);
  background: var(--white);
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.tab.active {
  color: var(--white);
  border-color: var(--green);
  background: var(--green);
}

.recommendation {
  grid-column: 1 / -1;
  min-height: 190px;
  padding: 26px;
}

.recommendation p {
  max-width: 760px;
  margin: 12px 0 0;
  color: var(--muted);
  line-height: 1.7;
}

.recommendation .tag {
  display: inline-flex;
  margin-bottom: 12px;
  color: var(--blue);
  font-weight: 800;
}

.team-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.team-grid article {
  min-height: 132px;
  padding: 18px;
}

.team-grid strong,
.team-grid span {
  display: block;
}

.team-grid strong {
  margin-bottom: 8px;
  font-size: 0.96rem;
}

.team-grid span {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.45;
}

.footer {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 42px;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

@media (max-width: 900px) {
  .hero,
  .two-column,
  .demo-area {
    grid-template-columns: 1fr;
  }

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

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

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

@media (max-width: 620px) {
  .nav {
    min-height: auto;
    padding: 14px 0;
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-links {
    width: 100%;
    justify-content: space-between;
  }

  .hero {
    min-height: auto;
    padding-top: 42px;
  }

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

  .tabs {
    width: 100%;
  }

  .tab {
    flex: 1;
  }
}