:root {
  --color-text: #101828;
  --color-muted: #667085;
  --color-border: #e4e7ec;
  --color-soft: #f8fafc;
  --color-primary: #2162be;
  --color-primary-soft: #daeeff;
  --color-primary-soft-hover: #cde6ff;
  --color-primary-soft-active: #b9dcff;
  --container: 1180px;
  --hero-visual: 28rem;
  --carousel-card: 100%;
  color-scheme: light;
}

@media (min-width: 640px) {
  :root {
    --hero-visual: 36rem;
    --carousel-card: calc(50% - 0.375rem);
  }
}

@media (min-width: 1024px) {
  :root {
    --hero-visual: 44rem;
  }
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  background: #fff;
  color: var(--color-text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

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

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

.container {
  width: min(100% - 2rem, var(--container));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  border-bottom: 1px solid var(--color-border);
  background: rgb(255 255 255 / 0.9);
  backdrop-filter: blur(14px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 0.75rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
}

.brand img {
  width: 2rem;
  height: 2rem;
  border-radius: 8px;
  object-fit: contain;
}

.nav-links {
  display: none;
  align-items: center;
  gap: 1.5rem;
  color: #344054;
  font-size: 0.875rem;
}

.nav-links a:hover,
.footer a:hover {
  text-decoration: underline;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.language-switch {
  position: relative;
  font-size: 0.8125rem;
  font-weight: 700;
}

.language-switch summary {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  min-width: 2.25rem;
  padding: 0.45rem 0.65rem;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: #fff;
  color: var(--color-text);
  cursor: pointer;
  list-style: none;
  user-select: none;
}

.language-switch summary::-webkit-details-marker {
  display: none;
}

.language-switch summary::after {
  content: "";
  width: 0.4rem;
  height: 0.4rem;
  border-right: 1.5px solid var(--color-muted);
  border-bottom: 1.5px solid var(--color-muted);
  transform: rotate(45deg);
  margin-top: -0.25rem;
  transition: transform 0.15s ease;
}

.language-switch[open] summary::after {
  transform: rotate(-135deg);
  margin-top: 0.25rem;
}

.language-menu {
  position: absolute;
  top: calc(100% + 0.375rem);
  right: 0;
  display: grid;
  gap: 0.125rem;
  min-width: 100%;
  padding: 0.35rem;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  background: #fff;
  box-shadow: 0 8px 24px rgb(16 24 40 / 0.12);
  z-index: 40;
}

.language-menu a,
.language-menu-current {
  display: block;
  padding: 0.5rem 0.65rem;
  border-radius: 6px;
  text-align: left;
  color: var(--color-text);
}

.language-menu a:hover {
  background: var(--color-soft);
}

.language-menu [aria-current="page"] {
  background: var(--color-primary-soft);
  color: var(--color-primary);
}

.store-links {
  display: none;
  align-items: center;
  gap: 0.5rem;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.5rem;
  padding: 0.7rem 1rem;
  border-radius: 10px;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  font-weight: 700;
  box-shadow: 0 1px 2px rgb(16 24 40 / 0.05);
  transition: background-color 0.15s ease, box-shadow 0.15s ease;
}

.btn-primary:hover {
  background: var(--color-primary-soft-hover);
}

.btn-primary:active {
  background: var(--color-primary-soft-active);
}

.btn-primary:focus-visible,
.language-switch a:focus-visible,
.carousel-btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.hero {
  overflow: hidden;
}

.hero-grid {
  display: grid;
  gap: 2.5rem;
  align-items: center;
  padding-block: 3rem;
}

.hero-copy {
  min-width: 0;
}

.eyebrow {
  margin: 0 0 0.75rem;
  color: var(--color-primary);
  font-size: 0.875rem;
  font-weight: 800;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 12ch;
  margin: 0;
  font-size: 2rem;
  line-height: 1.18;
  letter-spacing: 0;
}

.hero p {
  max-width: 34rem;
  margin: 1rem 0 0;
  color: var(--color-muted);
  font-size: 1.125rem;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.hero-visual {
  width: min(100%, var(--hero-visual));
  margin-inline: auto;
}

.hero-visual img {
  width: 100%;
  height: auto;
}

.section {
  overflow-x: clip;
}

#trainer,
#client {
  scroll-margin-top: 4.5rem;
}

.section-muted {
  border-block: 1px solid var(--color-border);
  background: var(--color-soft);
}

.section-grid {
  display: grid;
  gap: 2rem;
  align-items: start;
  padding-block: 4rem;
}

.section-copy {
  min-width: 0;
}

.section-copy h2 {
  margin: 0;
  font-size: 1.75rem;
  line-height: 1.2;
  letter-spacing: 0;
}

.bullet-list {
  display: grid;
  gap: 0.8rem;
  margin: 1rem 0 0;
  padding-left: 1.25rem;
  color: #344054;
}

.carousel-column {
  min-width: 0;
  padding-inline: 1rem;
}

.carousel-wrap {
  position: relative;
}

.screen-carousel {
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scrollbar-width: none;
}

.screen-carousel::-webkit-scrollbar {
  display: none;
}

.carousel-track {
  display: flex;
  flex-wrap: nowrap;
  gap: 0.75rem;
  padding-right: 1rem;
}

.carousel-slide {
  flex: 0 0 var(--carousel-card);
  min-width: var(--carousel-card);
}

.screen-card {
  overflow: hidden;
  border-radius: 8px;
  background: #fff;
}

.screen-card img {
  width: 100%;
  height: auto;
}

.carousel-btn {
  position: absolute;
  top: 50%;
  z-index: 10;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border: 1px solid rgb(16 24 40 / 0.08);
  border-radius: 999px;
  background: rgb(255 255 255 / 0.95);
  color: #1d2939;
  box-shadow: 0 2px 6px rgb(16 24 40 / 0.08);
  cursor: pointer;
  transform: translateY(-50%);
}

.carousel-btn svg {
  width: 1rem;
  height: 1rem;
}

.carousel-btn-left {
  left: 0.5rem;
}

.carousel-btn-right {
  right: 0.5rem;
}

.carousel-btn[disabled] {
  opacity: 0.4;
  pointer-events: none;
}

.footer {
  border-top: 1px solid var(--color-border);
}

.footer-grid {
  display: grid;
  gap: 1.5rem;
  align-items: start;
  padding-block: 2.5rem;
}

.footer p {
  max-width: 22rem;
  margin: 0.75rem 0 0;
  color: var(--color-muted);
  font-size: 0.875rem;
}

.footer-title {
  color: #344054;
  font-weight: 800;
}

.footer ul {
  display: grid;
  gap: 0.3rem;
  margin: 0.5rem 0 0;
  padding: 0;
  color: var(--color-muted);
  font-size: 0.875rem;
  list-style: none;
}

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-block: 1rem;
  color: #98a2b3;
  font-size: 0.75rem;
  text-align: center;
}

@media (max-width: 420px) {
  .carousel-btn {
    display: none;
  }
}

@media (min-width: 720px) {
  .store-links {
    display: flex;
  }
}

@media (min-width: 768px) {
  .nav-links {
    display: flex;
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    padding-block: 5rem;
  }

  .hero h1 {
    font-size: 3rem;
  }

  .section-copy h2 {
    font-size: 2rem;
  }

  .footer-grid {
    grid-template-columns: 1.4fr 1fr 1fr;
  }
}

@media (min-width: 1024px) {
  .section-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 2.5rem;
  }
}