/* ==========================================================================
   Components
   ========================================================================== */

/* --- Buttons ------------------------------------------------------------- */

.btn {
  --btn-bg: var(--color-ink);
  --btn-fg: var(--color-bone);
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.85rem 1.5rem;
  border: 1px solid var(--btn-bg);
  border-radius: var(--radius-pill);
  background: var(--btn-bg);
  color: var(--btn-fg);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.02em;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  overflow: hidden;
  isolation: isolate;
  transition: transform var(--duration-normal) var(--ease-out-expo),
    box-shadow var(--duration-normal) var(--ease-standard),
    color var(--duration-normal) var(--ease-standard),
    border-color var(--duration-normal) var(--ease-standard);
}

.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: var(--color-brass-deep);
  transform: translateY(101%);
  transition: transform var(--duration-normal) var(--ease-out-expo);
}

.btn:hover {
  color: var(--btn-fg);
  transform: translateY(-2px);
  box-shadow: var(--shadow-raise);
  border-color: var(--color-brass-deep);
}

.btn:hover::before {
  transform: translateY(0);
}

.btn__arrow {
  transition: transform var(--duration-normal) var(--ease-out-expo);
}

.btn:hover .btn__arrow {
  transform: translateX(3px);
}

.btn--ghost {
  --btn-bg: transparent;
  --btn-fg: var(--color-ink);
  border-color: var(--color-line);
}

.btn--ghost:hover {
  --btn-fg: var(--color-bone);
}

.btn--light {
  --btn-bg: var(--color-bone);
  --btn-fg: var(--color-night);
}

.btn--light:hover {
  --btn-fg: var(--color-bone);
}

.btn--lg {
  padding: 1.05rem 1.9rem;
  font-size: var(--text-base);
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.02em;
  text-decoration: none;
  color: var(--color-ink);
}

.link-arrow::after {
  content: "";
  inline-size: 1.6rem;
  block-size: 1px;
  background: currentColor;
  transition: inline-size var(--duration-normal) var(--ease-out-expo);
}

.link-arrow:hover::after {
  inline-size: 2.6rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs) var(--space-sm);
  align-items: center;
}

/* --- Optical lens artwork ------------------------------------------------ */

.lens {
  position: relative;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
}

.lens__ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px solid var(--color-line);
}

.lens__ring--2 {
  inset: 9%;
  border-color: color-mix(in oklab, var(--color-brass) 45%, transparent);
}
.lens__ring--3 {
  inset: 20%;
  border-color: var(--color-line-soft);
}

.lens__glass {
  position: absolute;
  inset: 12%;
  border-radius: 50%;
  background: radial-gradient(
      120% 120% at 30% 22%,
      oklch(97% 0.03 220 / 0.9),
      oklch(84% 0.06 232 / 0.55) 38%,
      oklch(64% 0.09 258 / 0.35) 64%,
      transparent 78%
    ),
    conic-gradient(
      from 210deg,
      oklch(78% 0.1 84 / 0.35),
      oklch(72% 0.09 224 / 0.3),
      oklch(80% 0.08 320 / 0.28),
      oklch(78% 0.1 84 / 0.35)
    );
  filter: blur(0.3px);
  animation: lens-drift 22s var(--ease-standard) infinite alternate;
}

.lens__flare {
  position: absolute;
  inline-size: 26%;
  block-size: 26%;
  inset-block-start: 20%;
  inset-inline-start: 22%;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    oklch(100% 0 0 / 0.85),
    oklch(100% 0 0 / 0) 68%
  );
}

@keyframes lens-drift {
  from {
    transform: translate3d(-1.2%, 1%, 0) scale(1);
  }
  to {
    transform: translate3d(1.4%, -1.4%, 0) scale(1.035);
  }
}

/* --- Spectacles line art ------------------------------------------------- */

.spectacles {
  inline-size: 100%;
  height: auto;
  overflow: visible;
}

.spectacles__frame {
  fill: none;
  stroke: var(--color-ink);
  stroke-width: 2.25;
  stroke-linecap: round;
}

.spectacles__glass {
  fill: url(#lensGlass);
  stroke: none;
  animation: lens-breathe 9s var(--ease-standard) infinite alternate;
  transform-origin: center;
}

.spectacles__rim {
  stroke-width: 2.75;
}

.spectacles__rim-inner {
  stroke: var(--color-brass);
  stroke-width: 1;
  opacity: 0.75;
}

.spectacles__bridge,
.spectacles__temple {
  stroke-width: 2.75;
}

.spectacles__shine {
  stroke: oklch(100% 0 0 / 0.9);
  stroke-width: 5;
}

@keyframes lens-breathe {
  from {
    opacity: 0.82;
  }
  to {
    opacity: 1;
  }
}

/* --- Hero ---------------------------------------------------------------- */

.hero {
  position: relative;
  padding-block: clamp(3rem, 2rem + 4.5vw, 6rem) var(--space-section-tight);
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  inset-block-start: -22%;
  inset-inline-end: -14%;
  inline-size: min(46rem, 78vw);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    oklch(88% 0.06 84 / 0.5),
    oklch(88% 0.06 84 / 0) 62%
  );
  pointer-events: none;
}

.hero__grid {
  position: relative;
  display: grid;
  gap: var(--space-xl);
  align-items: center;
}

.hero__title {
  font-size: var(--text-display);
  line-height: 0.96;
  max-width: 12ch;
}

.hero__title em {
  font-style: italic;
  color: var(--color-brass-deep);
}

.hero__body {
  margin-top: var(--space-lg);
  max-width: 46ch;
}

.hero__actions {
  margin-top: var(--space-lg);
}

.hero__visual {
  position: relative;
  inline-size: min(100%, 34rem);
  margin-inline: auto;
}

@media (min-width: 62rem) {
  .hero__grid {
    grid-template-columns: 1fr 0.92fr;
    gap: var(--space-2xl);
  }
}

/* --- Page hero (interior pages) ------------------------------------------ */

.page-hero {
  padding-block: clamp(3rem, 2rem + 5vw, 6.5rem) var(--space-section-tight);
  border-bottom: 1px solid var(--color-line);
}

.page-hero__title {
  font-size: var(--text-h1);
  max-width: 18ch;
}

.page-hero__lead {
  margin-top: var(--space-md);
  max-width: 52ch;
}

.page-hero__actions {
  margin-top: var(--space-lg);
}

.page-hero--night {
  border-bottom: 0;
}

/* --- Stat strip ---------------------------------------------------------- */

.stats {
  display: grid;
  gap: 1px;
  background: var(--color-line);
  border-block: 1px solid var(--color-line);
  grid-template-columns: repeat(2, 1fr);
}

.stat {
  background: var(--color-surface);
  padding: var(--space-lg) var(--space-md);
  display: grid;
  gap: 0.4rem;
  align-content: start;
}

.stat__figure {
  font-family: var(--font-display);
  font-size: var(--text-numeral);
  line-height: 0.9;
  letter-spacing: var(--tracking-display);
}

.stat__label {
  font-size: var(--text-sm);
  color: var(--color-ink-mute);
  max-width: 22ch;
}

@media (min-width: 56rem) {
  .stats {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* --- Section heading ----------------------------------------------------- */

.section-head {
  display: grid;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.section-head__title {
  max-width: 20ch;
}

.section-head__body {
  max-width: 46ch;
  color: var(--color-ink-soft);
}

@media (min-width: 56rem) {
  .section-head {
    grid-template-columns: 1fr 1fr;
    align-items: end;
    gap: var(--space-xl);
  }
}

/* --- Service list (editorial numbered rows) ------------------------------ */

.service-list {
  border-top: 1px solid var(--color-line);
}

.service {
  display: grid;
  gap: var(--space-xs) var(--space-lg);
  grid-template-columns: 1fr;
  padding-block: var(--space-lg);
  border-bottom: 1px solid var(--color-line);
  position: relative;
  transition: background-color var(--duration-normal) var(--ease-standard);
}

.service:hover {
  background: color-mix(in oklab, var(--color-bone-deep) 55%, transparent);
}

.service__index {
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--color-brass-deep);
  letter-spacing: 0.08em;
}

.service__title {
  font-size: var(--text-h3);
}

.service__body {
  color: var(--color-ink-soft);
  max-width: 58ch;
}

.service__meta {
  font-size: var(--text-sm);
  color: var(--color-ink-mute);
}

@media (min-width: 56rem) {
  .service {
    grid-template-columns: 4rem 1fr 1.25fr auto;
    align-items: start;
    padding-inline: var(--space-sm);
  }
  .service__title {
    max-width: 14ch;
  }
}

/* --- Detail blocks (long-form service / lens copy) ----------------------- */

.detail {
  display: grid;
  gap: var(--space-md) var(--space-xl);
  padding-block: var(--space-xl);
  border-bottom: 1px solid var(--color-line);
}

.detail:last-child {
  border-bottom: 0;
}

.detail__aside {
  display: grid;
  gap: var(--space-xs);
  align-content: start;
}

.detail__title {
  font-size: var(--text-h3);
  max-width: 16ch;
}

.detail__tag {
  justify-self: start;
  padding: 0.3rem 0.75rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-pill);
  font-size: var(--text-micro);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-ink-mute);
}

@media (min-width: 62rem) {
  .detail {
    grid-template-columns: 0.8fr 1.2fr;
  }
}

/* --- Cards --------------------------------------------------------------- */

.card-grid {
  display: grid;
  gap: var(--space-md);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr));
}

.card {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  padding: var(--space-md);
  background: color-mix(in oklab, var(--color-paper) 70%, transparent);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  transition: transform var(--duration-normal) var(--ease-out-expo),
    box-shadow var(--duration-normal) var(--ease-standard),
    border-color var(--duration-normal) var(--ease-standard);
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-raise);
  border-color: color-mix(in oklab, var(--color-brass) 55%, transparent);
}

.card__title {
  font-size: var(--text-h4);
}

.card__body {
  color: var(--color-ink-soft);
  font-size: var(--text-sm);
}

/* --- Brand showcase ------------------------------------------------------ */

.brand-grid {
  display: grid;
  gap: 1px;
  background: var(--color-line);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  overflow: hidden;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 15rem), 1fr));
}

@media (min-width: 62rem) {
  .brand-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.brand-tile {
  position: relative;
  display: grid;
  align-content: space-between;
  gap: var(--space-xl);
  min-block-size: 13.5rem;
  padding: var(--space-md);
  background: var(--color-surface);
  text-decoration: none;
  isolation: isolate;
  overflow: hidden;
}

.brand-tile::after {
  content: "";
  position: absolute;
  z-index: -1;
  inset-block-end: -55%;
  inset-inline-end: -25%;
  inline-size: 15rem;
  aspect-ratio: 1;
  border-radius: 50%;
  border: 1px solid color-mix(in oklab, var(--color-brass) 60%, transparent);
  opacity: 0;
  transform: scale(0.85);
  transition: opacity var(--duration-normal) var(--ease-standard),
    transform var(--duration-slow) var(--ease-out-expo);
}

.brand-tile:hover {
  color: inherit;
}

.brand-tile:hover::after {
  opacity: 1;
  transform: scale(1);
}

.brand-tile__name {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 1.2rem + 1.4vw, 2.35rem);
  letter-spacing: -0.02em;
  line-height: 1.05;
}

.brand-tile__note {
  font-size: var(--text-sm);
  color: var(--color-ink-mute);
  max-width: 26ch;
}

.brand-tile__cue {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  font-size: var(--text-micro);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-ink-mute);
}

.brand-tile:hover .brand-tile__cue {
  color: var(--color-accent);
}

/* --- Marquee ------------------------------------------------------------- */

.marquee {
  --marquee-duration: 42s;
  overflow: hidden;
  padding-block: var(--space-md);
  border-block: 1px solid var(--color-line);
  mask-image: linear-gradient(
    90deg,
    transparent,
    #000 8%,
    #000 92%,
    transparent
  );
}

.marquee__track {
  display: flex;
  inline-size: max-content;
  gap: clamp(2rem, 1rem + 3vw, 4.5rem);
  animation: marquee-slide var(--marquee-duration) linear infinite;
}

.marquee:hover .marquee__track {
  animation-play-state: paused;
}

.marquee__item {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 0.9rem + 0.7vw, 1.6rem);
  letter-spacing: 0.02em;
  color: var(--color-ink-mute);
  white-space: nowrap;
}

@keyframes marquee-slide {
  to {
    transform: translateX(-50%);
  }
}

@media (prefers-reduced-motion: reduce) {
  .marquee__track {
    animation: none;
  }
}

/* --- Split feature ------------------------------------------------------- */

.split {
  display: grid;
  gap: var(--space-xl);
  align-items: center;
}

.split__media {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-block-size: 22rem;
  background: linear-gradient(
    160deg,
    var(--color-night-raised),
    var(--color-night)
  );
  display: grid;
  place-items: center;
  padding: var(--space-xl);
}

.split__media .spectacles {
  inline-size: min(100%, 30rem);
}

.split__media .spectacles__frame {
  stroke: var(--color-night-text);
}

.split__media .spectacles__rim-inner {
  stroke: var(--color-brass-glow);
}

@media (min-width: 62rem) {
  .split {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
  }
  .split--reverse .split__media {
    order: 2;
  }
}

/* --- Locations ----------------------------------------------------------- */

.branch-grid {
  display: grid;
  gap: var(--space-md);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 18rem), 1fr));
}

.branch {
  display: grid;
  gap: var(--space-sm);
  align-content: start;
  padding: var(--space-lg) var(--space-md);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: color-mix(in oklab, var(--color-paper) 70%, transparent);
  transition: transform var(--duration-normal) var(--ease-out-expo),
    box-shadow var(--duration-normal) var(--ease-standard);
}

.branch:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-raise);
}

.branch__name {
  font-size: var(--text-h3);
}

.branch__address {
  font-style: normal;
  color: var(--color-ink-soft);
  font-size: var(--text-sm);
  line-height: 1.7;
}

.branch__rows {
  display: grid;
  gap: 0.5rem;
  font-size: var(--text-sm);
  border-top: 1px solid var(--color-line);
  padding-top: var(--space-sm);
}

.branch__row {
  display: grid;
  grid-template-columns: 5.5rem minmax(0, 1fr);
  gap: var(--space-xs);
  color: var(--color-ink-soft);
}

/* Emails and postcodes have no break opportunities, so let them wrap rather
   than push the card past the viewport on small phones. */
.branch__row dd {
  overflow-wrap: anywhere;
}

@media (max-width: 26rem) {
  .branch__row {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.1rem;
  }
}

.branch__row dt {
  font-size: var(--text-micro);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-ink-mute);
  padding-top: 0.18rem;
}

.branch__row dd {
  margin: 0;
}

/* --- CTA band ------------------------------------------------------------ */

.cta-band {
  position: relative;
  overflow: hidden;
  padding-block: var(--space-section);
}

/* Oversized line-art watermark behind the closing call to action. */
.cta-band__watermark {
  position: absolute;
  inset-block-start: 50%;
  inset-inline-end: -8%;
  inline-size: min(46rem, 76vw);
  translate: 0 -50%;
  opacity: 0.09;
  pointer-events: none;
  z-index: -1;
}

.cta-band__watermark .spectacles__frame {
  stroke: var(--color-brass-glow);
}

.cta-band__watermark .spectacles__glass,
.cta-band__watermark .spectacles__shine {
  display: none;
}

.cta-band__inner {
  display: grid;
  gap: var(--space-lg);
  justify-items: start;
}

.cta-band__title {
  font-size: var(--text-h2);
  max-width: 16ch;
}

.cta-band__note {
  color: var(--color-night-mute);
  max-width: 44ch;
}

.cta-band::after {
  content: "";
  position: absolute;
  inset-block-start: -40%;
  inset-inline-start: 62%;
  inline-size: min(40rem, 70vw);
  aspect-ratio: 1;
  border-radius: 50%;
  border: 1px solid var(--color-line-night);
  pointer-events: none;
}

/* --- Forms --------------------------------------------------------------- */

.form {
  display: grid;
  gap: var(--space-md);
}

.field {
  display: grid;
  gap: 0.45rem;
}

.field__label {
  font-size: var(--text-micro);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-ink-mute);
}

.field__control {
  inline-size: 100%;
  padding: 0.85rem 1rem;
  font: inherit;
  font-size: var(--text-base);
  color: var(--color-ink);
  background: var(--color-paper);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  transition: border-color var(--duration-fast) var(--ease-standard),
    box-shadow var(--duration-fast) var(--ease-standard);
}

.field__control:hover {
  border-color: color-mix(in oklab, var(--color-ink) 30%, transparent);
}

.field__control:focus {
  outline: none;
  border-color: var(--color-brass-deep);
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--color-brass) 30%, transparent);
}

textarea.field__control {
  min-block-size: 9rem;
  resize: vertical;
}

.field__error {
  font-size: var(--text-sm);
  color: oklch(52% 0.16 27);
  min-block-size: 1lh;
}

.field--invalid .field__control {
  border-color: oklch(52% 0.16 27);
}

.field-row {
  display: grid;
  gap: var(--space-md);
}

.consent {
  display: flex;
  gap: 0.75rem;
  align-items: start;
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
}

.consent input {
  margin-top: 0.32rem;
  inline-size: 1.05rem;
  block-size: 1.05rem;
  accent-color: var(--color-brass-deep);
  flex: none;
}

.form__status {
  font-size: var(--text-sm);
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-line);
  border-left: 3px solid var(--color-brass-deep);
  border-radius: var(--radius-sm);
  background: color-mix(in oklab, var(--color-paper) 80%, transparent);
}

.form__status[hidden] {
  display: none;
}

@media (min-width: 44rem) {
  .field-row {
    grid-template-columns: 1fr 1fr;
  }
}

/* --- Contact layout ------------------------------------------------------ */

.contact-grid {
  display: grid;
  gap: var(--space-xl);
}

.contact-aside {
  display: grid;
  gap: var(--space-lg);
  align-content: start;
}

@media (min-width: 62rem) {
  .contact-grid {
    grid-template-columns: 1fr 0.75fr;
    gap: var(--space-2xl);
  }
}

/* --- Brand page specifics ------------------------------------------------ */

.brand-hero {
  position: relative;
  overflow: hidden;
}

.brand-hero__grid {
  display: grid;
  gap: var(--space-xl);
  align-items: center;
}

@media (min-width: 62rem) {
  .brand-hero__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
  }
}

.brand-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm) var(--space-lg);
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-line-night);
  font-size: var(--text-sm);
  color: var(--color-night-mute);
}

.brand-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.chip {
  padding: 0.5rem 1rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-pill);
  font-size: var(--text-sm);
  text-decoration: none;
  color: var(--color-ink-soft);
  transition: border-color var(--duration-fast) var(--ease-standard),
    color var(--duration-fast) var(--ease-standard),
    background-color var(--duration-fast) var(--ease-standard);
}

.chip:hover,
.chip[aria-current="page"] {
  color: var(--color-ink);
  border-color: color-mix(in oklab, var(--color-brass) 70%, transparent);
  background: color-mix(in oklab, var(--color-brass) 12%, transparent);
}