:root {
  color-scheme: light;
  --ink: #1d1d1f;
  --graphite: #707070;
  --slate: #474747;
  --fog: #f5f5f7;
  --snow: #ffffff;
  --line: #e8e8ed;
  --blue: #0071e3;
  --green: #14804a;
  --amber: #b56b00;
  --red: #b42318;
  --radius: 8px;
  --page-max: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--fog);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Inter", "Segoe UI", sans-serif;
  letter-spacing: 0;
}

button,
a {
  font: inherit;
}

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

strong {
  color: var(--ink);
  font-weight: 650;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: calc(48px + env(safe-area-inset-top));
  padding: env(safe-area-inset-top) max(18px, env(safe-area-inset-right)) 0 max(18px, env(safe-area-inset-left));
  border-bottom: 1px solid rgba(232, 232, 237, 0.8);
  background: rgba(245, 245, 247, 0.88);
  backdrop-filter: blur(20px);
}

.topbar__brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 650;
}

.brand-mark {
  width: 16px;
  height: 16px;
  border: 3px solid var(--ink);
  border-top-color: var(--blue);
  border-radius: 50%;
}

.topbar__action {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 14px;
  border-radius: 999px;
  background: var(--blue);
  color: var(--snow);
  font-size: 14px;
  font-weight: 600;
}

main {
  width: min(100%, var(--page-max));
  margin: 0 auto;
  padding: 0 18px 96px;
}

.hero {
  display: grid;
  gap: 22px;
  padding: 42px 0 24px;
}

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

.eyebrow,
.section-kicker {
  margin: 0;
  color: var(--graphite);
  font-size: 13px;
  font-weight: 650;
  line-height: 1.3;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-block: 0;
}

h1 {
  max-width: 820px;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Inter", "Segoe UI", sans-serif;
  font-size: clamp(46px, 12vw, 92px);
  line-height: 1.02;
  letter-spacing: 0;
}

h2 {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Inter", "Segoe UI", sans-serif;
  font-size: clamp(26px, 7vw, 44px);
  line-height: 1.08;
  letter-spacing: 0;
}

h3 {
  font-size: 22px;
  line-height: 1.15;
  letter-spacing: 0;
}

.hero__text {
  max-width: 650px;
  color: var(--slate);
  font-size: 18px;
  line-height: 1.45;
}

.hero__media {
  margin: 0;
  overflow: hidden;
  aspect-ratio: 1.25;
  border-radius: var(--radius);
  background: var(--snow);
}

.hero__media img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center;
}

.summary-band {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  overflow: hidden;
  margin: 4px 0 18px;
  border-radius: var(--radius);
  background: var(--line);
}

.metric {
  display: grid;
  gap: 2px;
  min-height: 86px;
  padding: 18px 12px;
  background: var(--snow);
  text-align: center;
}

.metric__value {
  font-size: clamp(28px, 10vw, 44px);
  font-weight: 750;
  line-height: 1;
}

.metric__label {
  color: var(--graphite);
  font-size: 13px;
  font-weight: 600;
}

.panel {
  display: grid;
  gap: 18px;
  margin-top: 18px;
  padding: 20px;
  border-radius: var(--radius);
  background: var(--snow);
}

.progress-panel {
  grid-template-columns: 1fr;
}

.today-card {
  display: grid;
  gap: 16px;
  padding-top: 2px;
}

.today-card__main {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 18px;
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  width: max-content;
  padding: 0 10px;
  border-radius: 999px;
  background: var(--fog);
  color: var(--slate);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.badge.easy {
  color: var(--green);
}

.badge.moderate {
  color: var(--amber);
}

.badge.hard {
  color: var(--red);
}

.workout-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  color: var(--graphite);
  font-size: 14px;
  font-weight: 600;
}

.primary-button,
.complete-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  width: max-content;
  border: 0;
  border-radius: 999px;
  padding: 0 18px;
  background: var(--blue);
  color: var(--snow);
  cursor: pointer;
  font-weight: 650;
}

.complete-button.done {
  background: var(--ink);
}

.week-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.completion-ring {
  position: relative;
  width: 60px;
  height: 60px;
  flex: 0 0 auto;
}

.completion-ring svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.completion-ring circle {
  fill: none;
  stroke: var(--line);
  stroke-width: 5;
}

#progressCircle {
  stroke: var(--blue);
  stroke-linecap: round;
  stroke-dasharray: 113;
  stroke-dashoffset: 113;
}

.completion-ring span {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-size: 13px;
  font-weight: 750;
}

.week-picker {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 8px;
}

.week-picker button {
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--fog);
  color: var(--ink);
  cursor: pointer;
  font-size: 14px;
  font-weight: 700;
}

.week-picker button[aria-selected="true"] {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--snow);
}

.schedule {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.ride-card {
  display: grid;
  gap: 16px;
  padding: 18px;
  border-radius: var(--radius);
  background: var(--snow);
}

.ride-card__top {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 14px;
  align-items: start;
}

.ride-title {
  display: grid;
  gap: 6px;
}

.ride-day {
  color: var(--graphite);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
}

.mini-check {
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--fog);
  color: var(--ink);
  cursor: pointer;
  font-size: 18px;
  font-weight: 800;
}

.mini-check.done {
  border-color: var(--blue);
  background: var(--blue);
  color: var(--snow);
}

.segment-list {
  display: grid;
  gap: 8px;
}

.segment {
  display: grid;
  grid-template-columns: 58px 1fr;
  gap: 12px;
  align-items: center;
  min-height: 46px;
  padding: 10px 0;
  border-top: 1px solid var(--line);
}

.segment:first-child {
  border-top: 0;
}

.segment__time {
  font-size: 20px;
  font-weight: 750;
}

.segment__work {
  display: grid;
  gap: 3px;
  color: var(--slate);
  font-size: 14px;
  line-height: 1.35;
}

.targets {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--line);
}

.target {
  display: grid;
  gap: 3px;
  min-height: 58px;
  padding: 10px;
  background: var(--fog);
}

.target span:first-child {
  color: var(--graphite);
  font-size: 11px;
  font-weight: 750;
  text-transform: uppercase;
}

.target span:last-child {
  font-size: 15px;
  font-weight: 750;
}

.note-grid {
  display: grid;
  gap: 14px;
  color: var(--slate);
  font-size: 15px;
  line-height: 1.5;
}

.tabbar {
  position: fixed;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 12;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  padding: 8px max(12px, env(safe-area-inset-right)) calc(8px + env(safe-area-inset-bottom)) max(12px, env(safe-area-inset-left));
  border-top: 1px solid rgba(232, 232, 237, 0.9);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(20px);
}

.tabbar a,
.tabbar button {
  min-height: 42px;
  border: 0;
  border-radius: var(--radius);
  background: var(--fog);
  color: var(--ink);
  cursor: pointer;
  text-align: center;
  font-size: 14px;
  font-weight: 700;
}

.tabbar a {
  display: grid;
  place-items: center;
}

@media (min-width: 720px) {
  main {
    padding-inline: 28px;
  }

  .hero {
    grid-template-columns: minmax(0, 0.95fr) minmax(320px, 0.75fr);
    align-items: center;
    min-height: 620px;
    padding-top: 66px;
  }

  .hero__media {
    aspect-ratio: 0.88;
  }

  .progress-panel {
    grid-template-columns: 0.42fr 1fr;
    align-items: center;
  }

  .week-picker {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }

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

  .ride-card:first-child {
    grid-column: span 2;
  }

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