/* Trailhead Bike Repair demo | Starter Site */

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

* {
  margin: 0;
}

:root {
  --bg: #1b201d;
  --bg-deep: #101412;
  --surface: #2a2822;
  --surface-strong: #3a3028;
  --surface-soft: rgba(247, 226, 199, 0.08);
  --text: #fff3df;
  --text-muted: #d7c4aa;
  --text-soft: #aa9b87;
  --accent: #d9793f;
  --accent-deep: #9f462d;
  --accent-soft: rgba(217, 121, 63, 0.16);
  --green: #8a9a74;
  --sky: #8eb6d8;
  --clay: #b85636;
  --sand: #f7e2c7;
  --line: rgba(247, 226, 199, 0.14);
  --line-strong: rgba(247, 226, 199, 0.24);
  --shadow: 0 1.5rem 4rem rgba(0, 0, 0, 0.35);
  --radius-sm: 0.5rem;
  --radius-md: 1rem;
  --radius-lg: 1.5rem;
  --radius-xl: 2rem;
  --font-heading: "Barlow Condensed", Impact, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --max-width: 74rem;
  --header-height: 4.75rem;
}

html {
  scroll-behavior: smooth;
  background-color: var(--bg-deep);
}

body {
  min-height: 100vh;
  color: var(--text);
  font-family: var(--font-body);
  font-size: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  line-height: 1.65;
  background:
    radial-gradient(circle at 12% 9%, rgba(142, 182, 216, 0.18), transparent 24rem),
    radial-gradient(circle at 82% 12%, rgba(184, 86, 54, 0.22), transparent 22rem),
    radial-gradient(circle at 52% 70%, rgba(138, 154, 116, 0.12), transparent 28rem),
    linear-gradient(135deg, rgba(247, 226, 199, 0.03) 0 25%, transparent 25% 50%, rgba(247, 226, 199, 0.03) 50% 75%, transparent 75%),
    linear-gradient(180deg, #22302d 0%, var(--bg) 42%, var(--bg-deep) 100%);
  background-size: auto, auto, 34px 34px, auto;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.5;
  background:
    linear-gradient(90deg, transparent 0 49%, rgba(247, 226, 199, 0.04) 49% 51%, transparent 51%),
    linear-gradient(0deg, transparent 0 49%, rgba(247, 226, 199, 0.03) 49% 51%, transparent 51%);
  background-size: 7rem 7rem;
  mask-image: radial-gradient(circle at center, #000 0%, transparent 72%);
}

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

img {
  height: auto;
  object-fit: cover;
}

a {
  color: inherit;
}

p {
  color: var(--text-muted);
}

strong {
  color: var(--text);
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 100;
  padding: 0.75rem 1rem;
  color: var(--bg-deep);
  background: var(--accent);
  border-radius: 999px;
  font-weight: 800;
  text-decoration: none;
  transform: translateY(-160%);
  transition: transform 0.2s ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.demo-banner {
  padding: 0.62rem 1rem;
  color: #27140f;
  background: linear-gradient(90deg, #f7d6aa, #df8a52 55%, var(--accent));
  font-size: 0.88rem;
  font-weight: 700;
  text-align: center;
}

.demo-banner__label {
  display: inline-flex;
  margin-right: 0.35rem;
  padding: 0.08rem 0.45rem;
  color: var(--text);
  background: rgba(47, 31, 25, 0.9);
  border-radius: 999px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(16, 20, 18, 0.82);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(18px);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.site-header.is-scrolled {
  background: rgba(16, 20, 18, 0.94);
  border-color: var(--line);
  box-shadow: 0 0.75rem 2rem rgba(0, 0, 0, 0.25);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(100% - 2rem, var(--max-width));
  min-height: var(--header-height);
  margin-inline: auto;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
}

.brand__mark {
  display: grid;
  width: 3rem;
  height: 3rem;
  place-items: center;
  color: var(--bg-deep);
  background:
    linear-gradient(135deg, rgba(247, 226, 199, 0.5), transparent 42%),
    var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 0 0.5rem rgba(217, 121, 63, 0.1);
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.brand__text {
  display: grid;
  color: var(--text);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.brand__text span {
  color: var(--text-soft);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.nav-toggle {
  display: inline-grid;
  width: 2.75rem;
  height: 2.75rem;
  place-content: center;
  gap: 0.28rem;
  color: var(--text);
  background: var(--surface-soft);
  border: 1px solid var(--line);
  border-radius: 999px;
}

.nav-toggle__bar {
  width: 1.1rem;
  height: 2px;
  background: currentColor;
  border-radius: 999px;
}

.nav {
  position: absolute;
  top: calc(100% + 0.5rem);
  left: 1rem;
  right: 1rem;
  display: none;
  padding: 0.75rem;
  background: rgba(27, 32, 29, 0.98);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.nav.is-open {
  display: block;
}

.nav__list {
  display: grid;
  gap: 0.35rem;
  padding: 0;
  list-style: none;
}

.nav__link {
  display: block;
  padding: 0.75rem 0.9rem;
  color: var(--text-muted);
  border-radius: 999px;
  font-size: 0.92rem;
  font-weight: 800;
  text-decoration: none;
  transition: color 0.2s ease, background 0.2s ease;
}

.nav__link:hover,
.nav__link:focus-visible,
.nav__link[aria-current="page"] {
  color: var(--text);
  background: var(--surface-soft);
}

.nav__link--cta {
  color: var(--bg-deep);
  background: var(--accent);
}

.nav__link--cta:hover,
.nav__link--cta:focus-visible {
  color: var(--bg-deep);
  background: #f0a36c;
}

.hero {
  position: relative;
  display: grid;
  min-height: clamp(34rem, 78vh, 48rem);
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__img {
  width: 100%;
  height: 100%;
  filter: saturate(0.82) contrast(1.04);
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(16, 20, 18, 0.92) 0%, rgba(30, 32, 29, 0.72) 42%, rgba(82, 54, 42, 0.28) 100%),
    linear-gradient(0deg, rgba(16, 20, 18, 0.82), transparent 54%),
    radial-gradient(circle at 72% 20%, rgba(142, 182, 216, 0.22), transparent 18rem),
    radial-gradient(circle at 24% 34%, rgba(217, 121, 63, 0.2), transparent 22rem);
}

.hero__content {
  position: relative;
  z-index: 1;
  align-self: center;
  width: min(100% - 2rem, var(--max-width));
  margin-inline: auto;
  padding: clamp(4rem, 8vw, 7rem) 0;
}

.hero__content > * {
  max-width: 43rem;
}

.hero__eyebrow,
.eyebrow {
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero__title,
.page-hero h1,
.section-heading h2,
.split__copy h2,
.details-grid h2,
.cta h2 {
  color: var(--text);
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: 0.01em;
  text-transform: uppercase;
}

.hero__title {
  margin-top: 0.75rem;
  font-size: clamp(4rem, 12vw, 8.7rem);
  max-width: 50rem;
}

.hero__lead {
  margin-top: 1.2rem;
  font-size: clamp(1.1rem, 1rem + 0.65vw, 1.45rem);
  color: #e3e7df;
}

.hero__actions,
.cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.6rem;
}

.hero__note {
  margin-top: 0.9rem;
  color: var(--text-soft);
  font-size: 0.9rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.8rem 1.1rem;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 900;
  text-decoration: none;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-2px);
}

.btn--primary {
  color: #27140f;
  background: linear-gradient(135deg, #f7d6aa, #df8a52 52%, var(--accent));
  box-shadow: 0 0.8rem 1.8rem rgba(184, 86, 54, 0.24);
}

.btn--ghost,
.btn--outline {
  color: var(--text);
  background: rgba(247, 226, 199, 0.08);
  border-color: var(--line-strong);
}

.btn--ghost:hover,
.btn--outline:hover,
.btn--ghost:focus-visible,
.btn--outline:focus-visible {
  background: rgba(247, 226, 199, 0.14);
}

.section {
  padding: clamp(4rem, 8vw, 7rem) 0;
}

.section__inner,
.cta__inner,
.page-hero__inner {
  width: min(100% - 2rem, var(--max-width));
  margin-inline: auto;
}

.section__inner--narrow {
  max-width: 54rem;
}

.section-heading {
  max-width: 47rem;
  margin-bottom: clamp(2rem, 4vw, 3rem);
}

.section-heading--center {
  margin-inline: auto;
  text-align: center;
}

.section-heading h2,
.split__copy h2,
.details-grid h2,
.cta h2,
.page-hero h1 {
  margin-top: 0.55rem;
  font-size: clamp(2.6rem, 6vw, 5rem);
}

.section-heading p:not(.eyebrow),
.split__copy > p,
.details-grid > div > p,
.cta p,
.page-hero p {
  margin-top: 1rem;
}

.quick-grid {
  display: grid;
  gap: 1rem;
}

.quick-card,
.step,
.service-card,
.faq-list details {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(247, 226, 199, 0.08), transparent),
    rgba(42, 40, 34, 0.88);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: 0 1rem 2.4rem rgba(0, 0, 0, 0.16);
}

.quick-card {
  padding: 1.3rem;
}

.quick-card__label,
.service-card span {
  display: inline-flex;
  width: fit-content;
  margin-bottom: 0.75rem;
  padding: 0.2rem 0.55rem;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid rgba(217, 121, 63, 0.26);
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.quick-card strong {
  display: block;
  font-size: 1.15rem;
}

.quick-card p {
  margin-top: 0.35rem;
}

.steps {
  display: grid;
  gap: 1rem;
  padding: 0;
  list-style: none;
  counter-reset: steps;
}

.step {
  padding: 1.4rem;
}

.step__num {
  color: var(--accent);
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1;
}

.step h3,
.service-card h3 {
  margin-top: 0.9rem;
  color: var(--text);
  font-size: 1.25rem;
  line-height: 1.2;
}

.step p,
.service-card p:not(.service-card__price) {
  margin-top: 0.6rem;
}

.section--split,
.section--details,
.section--quick {
  background: rgba(247, 226, 199, 0.025);
  border-block: 1px solid rgba(247, 226, 199, 0.08);
}

.split {
  display: grid;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.split__copy {
  max-width: 42rem;
}

.check-list,
.timeline {
  display: grid;
  gap: 0.75rem;
  margin: 1.3rem 0 1.5rem;
  padding: 0;
  list-style: none;
}

.check-list li,
.timeline li {
  display: grid;
  gap: 0.2rem;
  padding-left: 1.8rem;
  color: var(--text-muted);
  background: linear-gradient(var(--accent), var(--accent)) left 0.72rem / 0.72rem 0.18rem no-repeat;
}

.timeline li {
  padding: 1rem 1rem 1rem 2.4rem;
  background:
    linear-gradient(var(--accent), var(--accent)) 1rem 1.78rem / 0.72rem 0.18rem no-repeat,
    rgba(247, 226, 199, 0.06);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}

.timeline span {
  color: var(--text-muted);
}

.split__figure,
.photo-card {
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
}

.split__figure img {
  width: 100%;
  aspect-ratio: 4 / 3;
}

.split__figure figcaption,
.photo-card figcaption {
  padding: 0.8rem 1rem;
  color: var(--text-soft);
  font-size: 0.82rem;
}

.photo-grid {
  display: grid;
  gap: 1rem;
}

.photo-card img {
  width: 100%;
  aspect-ratio: 1 / 1;
}

.photo-card--wide img {
  aspect-ratio: 16 / 10;
}

.ai-placeholder {
  display: grid;
  min-height: 17rem;
  align-content: end;
  padding: 1.25rem;
  background:
    linear-gradient(135deg, rgba(217, 121, 63, 0.18), rgba(138, 154, 116, 0.14), rgba(142, 182, 216, 0.1)),
    repeating-linear-gradient(-45deg, rgba(247, 226, 199, 0.07) 0 1px, transparent 1px 12px),
    var(--surface-strong);
  border: 1px dashed rgba(217, 121, 63, 0.55);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
}

.ai-placeholder span {
  width: fit-content;
  margin-bottom: 0.65rem;
  padding: 0.2rem 0.55rem;
  color: #27140f;
  background: var(--accent);
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.ai-placeholder p {
  color: var(--text);
  font-weight: 700;
}

.details-grid {
  display: grid;
  gap: 2rem;
}

.details-list {
  display: grid;
  gap: 0.8rem;
}

.details-list div {
  padding: 1rem;
  background: rgba(247, 226, 199, 0.06);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}

.details-list dt {
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.details-list dd {
  margin-top: 0.25rem;
  color: var(--text-muted);
}

.details-list a,
.site-footer a {
  color: var(--text);
  text-underline-offset: 0.2em;
}

.cta {
  padding: clamp(4rem, 8vw, 6rem) 0;
}

.cta__inner {
  padding: clamp(2rem, 5vw, 3rem);
  background:
    radial-gradient(circle at 80% 20%, rgba(184, 86, 54, 0.24), transparent 18rem),
    radial-gradient(circle at 20% 10%, rgba(142, 182, 216, 0.12), transparent 15rem),
    linear-gradient(135deg, rgba(247, 226, 199, 0.09), rgba(247, 226, 199, 0.03)),
    var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
}

.page-hero {
  padding: clamp(5rem, 10vw, 8rem) 0 clamp(3rem, 6vw, 5rem);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 78% 22%, rgba(184, 86, 54, 0.22), transparent 24rem),
    radial-gradient(circle at 22% 10%, rgba(142, 182, 216, 0.18), transparent 18rem),
    radial-gradient(circle at 38% 82%, rgba(138, 154, 116, 0.12), transparent 20rem);
}

.page-hero__inner {
  max-width: 62rem;
}

.page-hero p {
  max-width: 48rem;
  font-size: clamp(1.08rem, 1rem + 0.4vw, 1.3rem);
}

.service-grid {
  display: grid;
  gap: 1rem;
}

.service-card {
  padding: 1.35rem;
}

.service-card--featured {
  border-color: rgba(217, 121, 63, 0.48);
  box-shadow: 0 1.2rem 3rem rgba(184, 86, 54, 0.1);
}

.service-card__price {
  color: var(--accent);
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 700;
  line-height: 1;
}

.service-card span {
  margin: 1rem 0 0;
  color: var(--text);
}

.faq-list {
  display: grid;
  gap: 0.8rem;
}

.faq-list details {
  padding: 1.1rem 1.2rem;
}

.faq-list summary {
  color: var(--text);
  cursor: pointer;
  font-weight: 900;
}

.faq-list summary::marker {
  color: var(--accent);
}

.faq-list p {
  margin-top: 0.75rem;
}

.site-footer {
  padding: 2rem 0;
  border-top: 1px solid var(--line);
}

.site-footer__inner {
  display: grid;
  width: min(100% - 2rem, var(--max-width));
  margin-inline: auto;
  gap: 0.8rem;
}

.site-footer__name {
  color: var(--text);
  font-weight: 900;
}

.site-footer__meta {
  color: var(--text-soft);
  font-size: 0.92rem;
}

.reveal {
  opacity: 0;
  transform: translateY(1rem);
  transition: opacity 0.55s ease var(--reveal-delay, 0s), transform 0.55s ease var(--reveal-delay, 0s);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (min-width: 44rem) {
  .quick-grid,
  .steps,
  .photo-grid,
  .service-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .photo-card--wide {
    grid-column: span 2;
  }
}

@media (min-width: 62rem) {
  .nav-toggle {
    display: none;
  }

  .nav {
    position: static;
    display: block;
    padding: 0;
    background: transparent;
    border: 0;
    box-shadow: none;
  }

  .nav__list {
    display: flex;
    align-items: center;
    gap: 0.15rem;
  }

  .quick-grid,
  .steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .split,
  .details-grid {
    grid-template-columns: 1fr 1fr;
  }

  .split--reverse .split__figure {
    order: -1;
  }

  .photo-grid {
    grid-template-columns: 1.2fr 0.8fr;
    align-items: stretch;
  }

  .photo-card--wide {
    grid-column: auto;
    grid-row: span 2;
  }

  .photo-card--wide img,
  .photo-card img,
  .ai-placeholder {
    height: 100%;
    min-height: 18rem;
  }

  .service-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .site-footer__inner {
    grid-template-columns: 1fr auto;
    align-items: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}