/* Brochure site — base styles + iPhone-safe mobile nav */

:root {
  --color-bg: #f4faf9;
  --color-surface: #ffffff;
  --color-text: #134e4a;
  --color-text-muted: #5b7c78;
  --color-border: #cce7e3;
  --color-primary: #0f766e;
  --color-primary-muted: color-mix(in srgb, var(--color-primary) 9%, var(--color-surface));
  --color-accent: #14b8a6;
  --font-sans: system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-display: Georgia, "Times New Roman", serif;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.1);
  --radius: 8px;
  --max-width: 1100px;
  --header-height: 64px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scrollbar-gutter: stable;
  height: 100%;
}

body {
  margin: 0;
  min-height: 100%;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
}

a {
  color: var(--color-primary);
}

.skip-link {
  position: absolute;
  left: -9999px;
  z-index: 999;
  padding: 0.75rem 1rem;
  background: var(--color-primary);
  color: #fff;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

/* --- Site header & navigation --- */

.site-header {
  position: relative;
  z-index: 100;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
  min-height: var(--header-height);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

@media (min-width: 769px) {
  .nav-toggle,
  .nav-backdrop {
    display: none;
  }

  .site-nav {
    position: static;
    width: auto;
    overflow: visible;
    pointer-events: auto;
  }

  .site-nav a:hover,
  .site-nav a[aria-current="page"] {
    color: var(--color-primary);
    border-bottom-color: var(--color-accent);
  }
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-primary);
  text-decoration: none;
}

.logo__mark {
  display: block;
  width: 2rem;
  height: 2rem;
  flex-shrink: 0;
  border-radius: 22%;
}

.logo__text {
  line-height: 1.2;
}

.logo:hover {
  color: var(--color-primary);
  text-decoration: none;
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  background: none;
  border: none;
  padding: 0.5rem;
  cursor: pointer;
  color: var(--color-primary);
}

.nav-toggle__icon {
  position: relative;
  display: block;
  width: 1.375rem;
  height: 0.875rem;
}

.nav-toggle__bar {
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: currentColor;
  border-radius: 1px;
  transition: transform 0.2s ease, opacity 0.2s ease, top 0.2s ease, bottom 0.2s ease;
}

.nav-toggle__bar:nth-child(1) {
  top: 0;
}

.nav-toggle__bar:nth-child(2) {
  top: 50%;
  transform: translateY(-50%);
}

.nav-toggle__bar:nth-child(3) {
  bottom: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) {
  top: 50%;
  transform: translateY(-50%) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) {
  bottom: auto;
  top: 50%;
  transform: translateY(-50%) rotate(-45deg);
}

.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.25rem;
  align-items: center;
}

.site-nav a {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-text);
  text-decoration: none;
  padding: 0.35rem 0;
  border-bottom: 2px solid transparent;
}

.nav-backdrop {
  display: none;
}

@media (max-width: 768px) {
  html.nav-menu-open,
  body.nav-menu-open {
    overflow: hidden;
    overscroll-behavior: none;
    width: 100%;
    touch-action: none;
  }

  .nav-backdrop {
    display: block;
    position: fixed;
    top: var(--nav-backdrop-top, var(--header-height));
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    margin: 0;
    padding: 0;
    background: rgba(0, 0, 0, 0.35);
    z-index: 1;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.28s ease, visibility 0s linear 0.28s;
  }

  .nav-backdrop.is-visible {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transition: opacity 0.28s ease, visibility 0s;
  }

  .header-inner {
    position: relative;
    z-index: 2;
    flex-wrap: nowrap;
    gap: 0.5rem 0.75rem;
    min-height: 3.25rem;
    padding-top: 0.85rem;
    padding-bottom: 0.85rem;
  }

  .logo {
    font-size: 1.25rem;
  }

  .nav-toggle {
    display: inline-flex;
    margin-left: auto;
    padding: 0.65rem;
  }

  .site-nav {
    position: fixed;
    top: var(--nav-backdrop-top, var(--header-height));
    left: 0;
    right: 0;
    width: 100%;
    z-index: 103;
    margin: 0;
    overflow-x: hidden;
    overflow-y: hidden;
    pointer-events: none;
  }

  .site-nav:has(ul.is-open) {
    pointer-events: auto;
    max-height: var(--nav-menu-max-height, calc(100vh - var(--header-height)));
    overflow-x: hidden;
    overflow-y: auto;
    overscroll-behavior-y: contain;
    -webkit-overflow-scrolling: touch;
    touch-action: pan-y;
  }

  .site-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    width: 100%;
    max-width: 100%;
    margin: 0;
    padding: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    overflow-x: hidden;
    transition: transform 0.28s ease, opacity 0.28s ease, visibility 0s linear 0.28s;
  }

  .site-nav ul.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    overflow: visible;
    transition: transform 0.28s ease, opacity 0.28s ease, visibility 0s;
  }

  .site-nav li {
    width: 100%;
    min-width: 0;
    flex-shrink: 0;
  }

  .site-nav a {
    display: block;
    width: 100%;
    min-height: 48px;
    padding: 0.85rem 1.25rem;
    padding-left: max(1.25rem, env(safe-area-inset-left));
    padding-right: max(1.25rem, env(safe-area-inset-right));
    border-bottom: 1px solid var(--color-border);
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
  }

  .site-nav li:last-child a {
    border-bottom: none;
  }

  .site-nav a:hover,
  .site-nav a:active,
  .site-nav a:focus,
  .site-nav a:focus-visible,
  .site-nav a[aria-current="page"] {
    color: var(--color-primary);
    border-bottom-color: var(--color-border);
    text-decoration: none;
  }

  .site-nav a[aria-current="page"] {
    background: var(--color-primary-muted);
    border-left: 3px solid var(--color-accent);
    padding-left: max(calc(1.25rem - 3px), calc(env(safe-area-inset-left) - 3px));
  }

  @media (prefers-reduced-motion: reduce) {
    .site-nav ul,
    .site-nav,
    .nav-backdrop,
    .nav-toggle__bar {
      transition: none;
    }
  }
}

main {
  flex: 1 0 auto;
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2.5rem 1.25rem 4rem;
}

main h1 {
  font-family: var(--font-display);
  color: var(--color-primary);
  margin: 0 0 0.75rem;
  font-size: clamp(1.75rem, 4vw, 2.25rem);
}

.page-lead {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  max-width: 42rem;
  margin: 0 0 2rem;
}

.page-section {
  margin: 0 0 1.5rem;
}

.page-section h2 {
  font-family: var(--font-display);
  color: var(--color-primary);
  font-size: 1.25rem;
  margin: 0 0 0.75rem;
}

.page-section p {
  margin: 0 0 1rem;
}

.page-section p:last-child {
  margin-bottom: 0;
}

.contact-list {
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
}

.contact-list li {
  margin-bottom: 0.35rem;
}

.section-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.site-footer {
  flex-shrink: 0;
  border-top: 1px solid var(--color-border);
  padding: 1.25rem 1.25rem 1.5rem;
  color: color-mix(in srgb, var(--color-text-muted) 72%, var(--color-bg));
  font-size: 0.6875rem;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.85rem;
}

.footer-legal {
  text-align: right;
  max-width: 28rem;
}

.footer-legal p {
  margin: 0 0 0.3rem;
  font-size: inherit;
  line-height: 1.45;
  color: inherit;
}

.footer-legal p:last-child {
  margin-bottom: 0;
}

/* --- Pedometer Plus: home page --- */

main:has(.home-page) {
  max-width: none;
  padding: 0;
}

.band {
  padding: 3rem 1.25rem;
}

.band--alt {
  background: var(--color-primary-muted);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.hero-grid {
  display: grid;
  gap: 2rem;
  align-items: center;
}

@media (min-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
  }

  .hero-media {
    justify-content: flex-start;
  }
}

.eyebrow {
  margin: 0 0 0.75rem;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.hero-grid h1 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 2.75rem);
  color: var(--color-primary);
  line-height: 1.15;
}

.hero-lead {
  margin: 0 0 1.75rem;
  font-size: 1.125rem;
  color: var(--color-text-muted);
  max-width: 38ch;
}

.hero-app-store {
  margin: 0;
}

.hero-app-store a {
  display: inline-block;
  line-height: 0;
  padding: 10px;
  margin: -10px -10px -10px 0;
}

.hero-app-store img {
  display: block;
  height: 40px;
  width: auto;
}

.hero-media {
  margin: 0;
  display: flex;
  justify-content: center;
}

.hero-watch {
  position: relative;
  display: inline-block;
  line-height: 0;
  width: clamp(240px, 44vw, 340px);
}

.hero-watch__frame {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  height: auto;
  pointer-events: none;
}

.hero-watch__screen-slot {
  position: absolute;
  z-index: 0;
  left: 14%;
  top: 23%;
  width: 73%;
  overflow: hidden;
  border-radius: 14% / 11%;
  background: #000;
}

.hero-watch__screen {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: fill;
}

.feature-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

@media (min-width: 700px) {
  .feature-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.feature-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.feature-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  margin-bottom: 0.75rem;
  border-radius: 6px;
  background: var(--color-primary-muted);
  color: var(--color-primary);
}

.feature-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--color-primary);
}

.feature-card p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

.section-heading {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--color-primary);
  margin: 0 0 1.5rem;
  text-align: center;
}

.faq-list {
  margin: 0;
}

.faq-item {
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--color-border);
}

.faq-item:first-child {
  padding-top: 0;
}

.faq-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.faq-item dt {
  font-weight: 600;
  margin-bottom: 0.35rem;
  color: var(--color-primary);
}

.faq-item dd {
  margin: 0;
}

@media (max-width: 599px) {
  .hero-copy {
    text-align: center;
  }

  .hero-lead {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-app-store a {
    margin: -10px auto;
  }
}