/* ==========================================================================
   ONYX AUTO SPA — Cardiff
   Liquid-black, gallery-grade. Sora (display) / Manrope (body).
   ========================================================================== */

:root {
  --black: #0B0B0D;
  --black-2: #101014;
  --black-3: #16161B;
  --ice: #DDE9F0;
  --silver: #9AA3AB;
  --cyan: #4FD8EB;
  --hairline: rgba(221, 233, 240, 0.14);
  --hairline-soft: rgba(221, 233, 240, 0.08);
  --font-display: "Sora", system-ui, sans-serif;
  --font-body: "Manrope", system-ui, sans-serif;
  --pad-x: clamp(1.25rem, 4vw, 4.5rem);
  --pad-y: clamp(4rem, 9vh, 7.5rem);
}

/* ---------- Reset ---------- */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background: var(--black);
  color: var(--ice);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  min-width: 360px;
}

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

ul {
  list-style: none;
}

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

address {
  font-style: normal;
}

::selection {
  background: var(--cyan);
  color: var(--black);
}

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

/* ---------- Utilities ---------- */

.container {
  width: 100%;
  max-width: 1480px;
  margin-inline: auto;
  padding-inline: var(--pad-x);
}

.micro-label {
  font-family: var(--font-display);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--silver);
}

.index {
  display: block;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  color: var(--cyan);
  margin-bottom: 0.75rem;
}

.index::after {
  content: "";
  display: inline-block;
  width: 2.25rem;
  height: 1px;
  background: var(--hairline);
  margin-left: 0.75rem;
  vertical-align: middle;
}

.rule {
  display: block;
  width: 100%;
  height: 1px;
  background: var(--hairline);
  transform-origin: left center;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 200;
  padding: 0.6rem 1rem;
  background: var(--ice);
  color: var(--black);
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  transform: translateY(-300%);
}

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

h2 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

/* ---------- Navigation ---------- */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.1rem var(--pad-x);
  will-change: transform;
}

.nav__bg {
  position: absolute;
  inset: 0;
  background: rgba(11, 11, 13, 0.78);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--hairline-soft);
  opacity: 0;
  transition: opacity 0.35s ease;
}

.nav--solid .nav__bg {
  opacity: 1;
}

.nav__brand {
  position: relative;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.nav__brand span {
  font-weight: 400;
  color: var(--silver);
  letter-spacing: 0.18em;
}

.nav__links {
  position: relative;
  display: flex;
  gap: clamp(1.25rem, 2.5vw, 2.5rem);
}

.nav__links a {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--silver);
  transition: color 0.25s ease;
}

.nav__links a:hover {
  color: var(--ice);
}

.nav__cta {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.65rem 1.1rem;
  border: 1px solid var(--hairline);
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  white-space: nowrap;
  transition: border-color 0.25s ease, color 0.25s ease;
}

.nav__cta:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

.nav__cta-dot {
  width: 6px;
  height: 6px;
  background: var(--cyan);
  border-radius: 50%;
}

/* ---------- 01 · Hero ---------- */

.hero {
  position: relative;
  height: 100svh;
  overflow: hidden;
  background: var(--black);
}

.hero__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero__vignette {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(120% 90% at 50% 40%, transparent 45%, rgba(11, 11, 13, 0.55) 100%),
    linear-gradient(to top, rgba(11, 11, 13, 0.8) 0%, transparent 32%),
    linear-gradient(to bottom, rgba(11, 11, 13, 0.55) 0%, transparent 22%);
}

.hero__content {
  position: absolute;
  left: var(--pad-x);
  right: var(--pad-x);
  bottom: clamp(4.5rem, 12vh, 8rem);
}

.hero__label {
  margin-bottom: 1.4rem;
  color: var(--ice);
  opacity: 0.85;
}

.hero__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(3rem, 11.5vw, 10.5rem);
  line-height: 0.94;
  letter-spacing: -0.025em;
  text-transform: uppercase;
}

.hero__mask {
  display: block;
  overflow: hidden;
  padding-bottom: 0.06em;
}

.hero__line {
  display: block;
  will-change: transform;
}

.hero__line--2 em {
  font-style: normal;
  color: var(--cyan);
}

.hero__cue {
  position: absolute;
  right: var(--pad-x);
  bottom: clamp(2rem, 6vh, 3.5rem);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.7rem;
}

.hero__cue-text {
  font-family: var(--font-display);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--silver);
}

.hero__cue-line {
  width: 1px;
  height: 3.2rem;
  background: linear-gradient(to bottom, var(--silver), transparent);
  animation: cue-drop 2.2s ease-in-out infinite;
  transform-origin: top center;
}

@keyframes cue-drop {
  0% { transform: scaleY(0); }
  45% { transform: scaleY(1); }
  100% { transform: scaleY(1) translateY(0.6rem); opacity: 0; }
}

.hero__loader {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: rgba(221, 233, 240, 0.07);
  transition: opacity 0.6s ease;
}

.hero__loader.is-done {
  opacity: 0;
}

.hero__loader-bar {
  display: block;
  width: 100%;
  height: 100%;
  background: linear-gradient(to right, var(--silver), var(--cyan));
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.35s ease;
}

/* ---------- Section heads (shared) ---------- */

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: clamp(3rem, 7vh, 5.5rem);
}

.section-head h2 {
  font-size: clamp(2.2rem, 5.2vw, 4.6rem);
  margin-top: 1rem;
  max-width: 14ch;
}

.section-head__note {
  max-width: 34ch;
  color: var(--silver);
  font-size: 0.95rem;
  padding-bottom: 0.5rem;
}

/* ---------- 02 · Intro ---------- */

.intro {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-block: var(--pad-y);
}

.intro__grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1.5rem 2rem;
  align-items: start;
}

.intro__aside {
  grid-column: 1 / 3;
  padding-top: 0.8rem;
}

.intro__headline {
  grid-column: 3 / 12;
  font-size: clamp(2.4rem, 6.2vw, 5.8rem);
  letter-spacing: -0.025em;
}

.intro__headline em {
  font-style: italic;
  font-weight: 400;
  color: var(--silver);
}

.intro__copy {
  grid-column: 7 / 12;
  margin-top: clamp(2.5rem, 6vh, 4.5rem);
  display: grid;
  gap: 1.25rem;
  color: var(--silver);
  font-size: 1.05rem;
  max-width: 52ch;
}

.intro__copy p:first-child {
  color: var(--ice);
}

.intro__stats {
  grid-column: 1 / 7;
  align-self: end;
  margin-top: clamp(2.5rem, 6vh, 4.5rem);
  display: flex;
  gap: clamp(1.5rem, 4vw, 3.5rem);
}

.intro__stats li {
  display: grid;
  gap: 0.3rem;
  padding-left: 1rem;
  border-left: 1px solid var(--hairline);
}

.intro__stats strong {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.4vw, 2.1rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.intro__stats span {
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--silver);
}

.shine-divider {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: var(--hairline-soft);
  overflow: hidden;
}

.shine-divider__sweep {
  display: block;
  width: 30%;
  height: 100%;
  background: linear-gradient(to right, transparent, var(--ice), var(--cyan), transparent);
  will-change: transform;
}

/* ---------- 03 · Packages ---------- */

.packages {
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-block: var(--pad-y);
  background:
    linear-gradient(to bottom, transparent, rgba(16, 16, 20, 0.6) 30%, transparent);
}

.pkg-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.25rem, 2.5vw, 2.5rem);
  align-items: start;
}

.pkg-col--mid {
  margin-top: clamp(2rem, 8vh, 6rem);
}

.pkg-col--feature {
  margin-top: clamp(1rem, 4vh, 3rem);
}

.pkg {
  position: relative;
  border: 1px solid var(--hairline);
  background: var(--black-2);
  padding: clamp(1.75rem, 2.6vw, 2.75rem);
}

.pkg__top {
  display: grid;
  gap: 0.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--hairline-soft);
  margin-bottom: 1.5rem;
}

.pkg__index {
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  color: var(--silver);
}

.pkg__name {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 1.8vw, 1.7rem);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.pkg__price {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.2vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--ice);
}

.pkg__blurb {
  color: var(--silver);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

.pkg__list {
  display: grid;
}

.pkg__list li {
  padding: 0.7rem 0;
  border-top: 1px solid var(--hairline-soft);
  font-size: 0.92rem;
  color: var(--ice);
}

.pkg__list li::before {
  content: "—";
  color: var(--cyan);
  margin-right: 0.7rem;
}

.pkg__time {
  margin-top: 1.5rem;
  color: var(--silver);
}

/* Featured ceramic tier — slow border sheen loop */

.pkg--ceramic {
  padding: 1px;
  border: none;
  overflow: hidden;
  background: var(--black-2);
}

.pkg__sheen {
  position: absolute;
  inset: -60%;
  background: conic-gradient(
    from 0deg,
    transparent 0deg,
    transparent 300deg,
    rgba(79, 216, 235, 0.65) 330deg,
    rgba(221, 233, 240, 0.9) 345deg,
    transparent 360deg
  );
  animation: sheen-spin 7s linear infinite;
  will-change: transform;
}

@keyframes sheen-spin {
  to { transform: rotate(360deg); }
}

.pkg__inner {
  position: relative;
  background: linear-gradient(160deg, var(--black-3), var(--black-2) 55%);
  padding: clamp(1.75rem, 2.6vw, 2.75rem);
}

.pkg--ceramic .pkg__price {
  color: var(--cyan);
}

/* ---------- 04 · Before / After ---------- */

.compare {
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-block: var(--pad-y);
}

.compare__stage {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  max-height: 72svh;
  overflow: hidden;
  border: 1px solid var(--hairline);
  background: var(--black-2);
  touch-action: pan-y;
}

.compare__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.compare__before {
  position: absolute;
  inset: 0;
  clip-path: inset(0 50% 0 0);
  will-change: clip-path;
}

.compare__before .compare__img {
  filter: grayscale(0.85) brightness(0.72) contrast(0.82);
}

.compare__tag {
  position: absolute;
  top: 1.25rem;
  padding: 0.45rem 0.8rem;
  background: rgba(11, 11, 13, 0.75);
  border: 1px solid var(--hairline);
  color: var(--ice);
  z-index: 2;
}

.compare__tag--before {
  left: 1.25rem;
}

.compare__tag--after {
  right: 1.25rem;
}

.compare__handle {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 44px;
  margin-left: -22px;
  z-index: 3;
  cursor: ew-resize;
  display: flex;
  align-items: center;
  justify-content: center;
  will-change: transform;
}

.compare__handle-line {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  margin-left: -1px;
  background: var(--ice);
}

.compare__drag {
  position: relative;
  padding: 0.55rem 0.7rem;
  background: var(--black);
  border: 1px solid var(--ice);
  color: var(--ice);
  letter-spacing: 0.2em;
}

/* ---------- 05 · Process ---------- */

.process {
  position: relative;
  min-height: 100svh;
  background: linear-gradient(to bottom, transparent, rgba(16, 16, 20, 0.5) 50%, transparent);
}

.process__layout {
  display: grid;
  grid-template-columns: minmax(220px, 3fr) 8fr;
  gap: 2rem 4rem;
  align-items: center;
  height: 100svh;
  padding-block: clamp(5rem, 10vh, 7rem);
}

.process__head h2 {
  font-size: clamp(1.9rem, 3.4vw, 3.2rem);
  margin-top: 1rem;
  margin-bottom: 2rem;
}

.process__rule {
  display: block;
  width: 100%;
  max-width: 16rem;
  height: 1px;
  background: var(--cyan);
  transform: scaleX(0);
  transform-origin: left center;
}

.process__stage {
  position: relative;
  height: 100%;
  min-height: 24rem;
}

.process__step {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  opacity: 0;
}

.process__step:first-child {
  opacity: 1;
}

.process__num {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(9rem, 24vw, 22rem);
  line-height: 1;
  letter-spacing: -0.04em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(221, 233, 240, 0.22);
  pointer-events: none;
  user-select: none;
}

.process__body {
  position: relative;
  max-width: 30rem;
}

.process__body h3 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.2vw, 3.6rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0.8rem 0 1.1rem;
}

.process__body p:last-child {
  color: var(--silver);
}

/* ---------- 06 · The Studio ---------- */

.studio {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}

.studio__media {
  position: absolute;
  inset: 0;
}

.studio__img {
  position: absolute;
  left: 0;
  top: -15%;
  width: 100%;
  height: 130%;
  object-fit: cover;
  will-change: transform;
}

.studio__overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to top, rgba(11, 11, 13, 0.92) 0%, rgba(11, 11, 13, 0.25) 45%, rgba(11, 11, 13, 0.35) 100%),
    linear-gradient(100deg, rgba(11, 11, 13, 0.55) 0%, transparent 55%);
}

.studio__copy {
  position: relative;
  padding-block: var(--pad-y);
  max-width: 1480px;
}

.studio__copy h2 {
  font-size: clamp(2.4rem, 6vw, 5.4rem);
  margin-top: 1rem;
}

.studio__text {
  margin-top: 1.5rem;
  max-width: 46ch;
  color: var(--ice);
  opacity: 0.85;
}

/* ---------- 07 · Word Gets Around ---------- */

.words {
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-block: var(--pad-y);
}

.words__head {
  margin-bottom: clamp(2.5rem, 6vh, 4rem);
}

.words__stage {
  position: relative;
  min-height: clamp(18rem, 42svh, 26rem);
}

.quote {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 1.75rem;
  opacity: 0;
}

.quote:first-child {
  opacity: 1;
}

.quote blockquote {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.6vw, 3.1rem);
  font-weight: 600;
  line-height: 1.18;
  letter-spacing: -0.015em;
  max-width: 26ch;
}

.quote figcaption {
  color: var(--cyan);
}

/* ---------- 08 · Book / Footer ---------- */

.book {
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-block: clamp(4rem, 8vh, 6rem) 2rem;
  background: linear-gradient(to bottom, transparent, rgba(16, 16, 20, 0.7));
}

.book__layout {
  display: grid;
  gap: clamp(2rem, 5vh, 3.5rem);
}

.book__title {
  font-size: clamp(3rem, 10vw, 8.5rem);
  text-transform: uppercase;
  letter-spacing: -0.03em;
  margin-top: 1rem;
}

.book__phone {
  display: inline-block;
  margin-top: 1.5rem;
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3.4vw, 2.6rem);
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--silver);
  border-bottom: 1px solid var(--hairline);
  padding-bottom: 0.4rem;
  transition: color 0.3s ease, border-color 0.3s ease;
}

.book__phone:hover {
  color: var(--cyan);
  border-color: var(--cyan);
}

.book__meta {
  display: grid;
  grid-template-columns: 1fr 1fr 1.4fr;
  gap: 2.5rem;
}

.book__meta-col > .micro-label {
  margin-bottom: 1.2rem;
  color: var(--cyan);
}

.book__meta-col address {
  color: var(--ice);
  line-height: 1.8;
}

.book__mail {
  display: inline-block;
  margin-top: 1rem;
  color: var(--silver);
  border-bottom: 1px solid var(--hairline);
  transition: color 0.25s ease;
}

.book__mail:hover {
  color: var(--ice);
}

.book__hours li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--hairline-soft);
  font-size: 0.95rem;
}

.book__hours li span:first-child {
  color: var(--silver);
}

.areas {
  display: grid;
}

.areas__item {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--hairline-soft);
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 1.6vw, 1.45rem);
  font-weight: 600;
  letter-spacing: 0.01em;
}

.areas__num {
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  color: var(--cyan);
}

.book__bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--silver);
}

.book__credit {
  letter-spacing: 0.06em;
}

/* ---------- Responsive ---------- */

@media (max-width: 1023px) {
  .intro__aside {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    gap: 1rem;
  }

  .intro__aside .index {
    margin-bottom: 0;
  }

  .intro__headline {
    grid-column: 1 / -1;
  }

  .intro__copy {
    grid-column: 1 / -1;
    margin-top: 1.5rem;
  }

  .intro__stats {
    grid-column: 1 / -1;
    margin-top: 2.5rem;
    flex-wrap: wrap;
  }

  .pkg-grid {
    grid-template-columns: 1fr;
    max-width: 36rem;
  }

  .pkg-col--mid,
  .pkg-col--feature {
    margin-top: 0;
  }

  .process__layout {
    grid-template-columns: 1fr;
    align-content: center;
    gap: 1rem;
    height: 100svh;
  }

  .process__stage {
    min-height: 20rem;
    height: 46svh;
  }

  .process__num {
    right: auto;
    left: 0;
    top: auto;
    bottom: -4%;
    transform: none;
    font-size: clamp(7rem, 34vw, 12rem);
    opacity: 0.6;
  }

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

@media (max-width: 767px) {
  .nav__links {
    display: none;
  }

  .hero__cue {
    display: none;
  }

  .compare__stage {
    aspect-ratio: 4 / 3;
  }

  .quote blockquote {
    font-size: clamp(1.25rem, 6vw, 1.6rem);
  }
}

/* ---------- Reduced motion ---------- */

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

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

  .pkg__sheen {
    animation: none;
    background: none;
  }

  .pkg--ceramic {
    border: 1px solid rgba(79, 216, 235, 0.45);
  }

  .hero__cue-line {
    animation: none;
  }

  /* Nav choreography is disabled — keep the bar legible at all times. */
  .nav__bg {
    opacity: 1;
  }

  .process__layout {
    height: auto;
    align-content: start;
    padding-block: var(--pad-y);
  }

  .process__stage {
    height: auto;
    min-height: 0;
    display: grid;
    gap: 3rem;
  }

  .process__step {
    position: relative;
    inset: auto;
    opacity: 1;
  }

  .process__rule {
    transform: scaleX(1);
  }

  .words__stage {
    min-height: 0;
    display: grid;
    gap: 3rem;
  }

  .quote {
    position: relative;
    inset: auto;
    opacity: 1;
  }
}