/*
 * golf_clean_method v9
 * Shared foundation + homepage
 * Mobile first: base / tablet (768px) / desktop (1100px)
 */

:root {
  --ink: #070809;
  --ink-soft: #0d0f11;
  --gunmetal: #202428;
  --gunmetal-soft: #2a2f34;
  --ivory: #f2f4f7;
  --ivory-soft: #d9dde2;
  --muted: #9ea7b1;
  --copper: #b8875a;
  --copper-bright: #d1a06f;
  --copper-deep: #7b4d2e;
  --line: rgba(242, 244, 247, 0.12);
  --line-copper: rgba(184, 135, 90, 0.38);
  --shadow: 0 28px 72px rgba(0, 0, 0, 0.36);
  --radius: 1.25rem;
  --radius-small: 0.75rem;
  --page-gutter: clamp(1rem, 4vw, 1.75rem);
  --shell-size: 75rem;
  --content-size: 61.25rem;
  --measure: 42rem;
  --measure-wide: 52rem;
  --serif: "Yu Mincho", "Hiragino Mincho ProN", Georgia, serif;
  --sans: "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, system-ui, sans-serif;
  color-scheme: dark;
}

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

html {
  background: var(--ink);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 76% 6%, rgba(209, 160, 111, 0.1), transparent 22%),
    radial-gradient(circle at 18% 24%, rgba(76, 86, 98, 0.16), transparent 24%),
    linear-gradient(180deg, #07080a, #0b0e12 30%, #060708);
  color: var(--ivory);
  font-family: var(--sans);
  line-height: 1.8;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

img,
picture {
  display: block;
  max-inline-size: 100%;
}

img {
  block-size: auto;
}

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

button,
input {
  color: inherit;
  font: inherit;
}

button {
  border: 0;
}

:focus-visible {
  outline: 2px solid var(--copper-bright);
  outline-offset: 4px;
}

.shell {
  inline-size: min(var(--shell-size), calc(100% - var(--page-gutter) - var(--page-gutter)));
  margin-inline: auto;
}

.content-shell {
  inline-size: min(var(--content-size), calc(100% - var(--page-gutter) - var(--page-gutter)));
  margin-inline: auto;
}

.prose-wide {
  max-inline-size: var(--measure-wide);
}

.section {
  padding-block: clamp(4.75rem, 9vw, 8rem);
}

.section-sm {
  padding-block: clamp(3.75rem, 7vw, 5.75rem);
}

h1,
h2,
h3 {
  margin-block-start: 0;
  color: var(--ivory);
  font-family: var(--serif);
  font-weight: 500;
  line-break: strict;
  overflow-wrap: normal;
  text-wrap: balance;
  word-break: normal;
}

h1 {
  margin-block-end: 1.5rem;
  font-size: clamp(2.15rem, calc(1.45rem + 3vw), 4.75rem);
  letter-spacing: -0.025em;
  line-height: 1.3;
}

h2 {
  margin-block-end: 1.35rem;
  font-size: clamp(2rem, calc(1.55rem + 2.2vw), 3.875rem);
  letter-spacing: -0.02em;
  line-height: 1.38;
}

h3 {
  font-size: clamp(1.25rem, calc(1.12rem + 0.55vw), 1.65rem);
  line-height: 1.5;
}

p {
  overflow-wrap: break-word;
}

.lead {
  color: var(--ivory-soft);
  font-size: clamp(0.95rem, calc(0.9rem + 0.2vw), 1.125rem);
  line-height: 2;
}

.muted {
  color: var(--muted);
}

.copper,
.accent-line {
  color: var(--copper-bright);
}

.line,
.jp-line {
  display: inline;
}

.eyebrow,
.cinema-kicker {
  margin: 0 0 1.125rem;
  color: var(--copper-bright);
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  line-height: 1.7;
  text-transform: uppercase;
}

.cinema-kicker::before {
  display: inline-block;
  inline-size: 2rem;
  block-size: 1px;
  margin: 0 0.75rem 0.2rem 0;
  background: currentColor;
  content: "";
}

.cinema-kicker.dark,
.cinema-title.dark {
  color: #151719;
}

.section-heading {
  display: grid;
  gap: 1.25rem;
  margin-block-end: clamp(2.25rem, 5vw, 4.25rem);
}

.section-heading h2 {
  margin-block-end: 0;
}

.section-heading > p {
  max-inline-size: var(--measure);
  margin: 0;
  color: var(--muted);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.7rem;
  min-inline-size: 0;
  max-inline-size: 100%;
  min-block-size: 3.1rem;
  padding: 0.8rem 1.25rem;
  border: 1px solid var(--line-copper);
  border-radius: 999px;
  background: transparent;
  color: var(--ivory);
  font-size: 0.75rem;
  letter-spacing: 0.02em;
  line-height: 1.5;
  overflow-wrap: anywhere;
  text-align: center;
  transition: background-color 180ms ease, border-color 180ms ease, color 180ms ease, transform 180ms ease;
  white-space: normal;
}

button.button {
  cursor: pointer;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  border-color: transparent;
  background: linear-gradient(110deg, #d2a16e, #b8794c 55%, #925833);
  box-shadow: 0 14px 32px rgba(110, 65, 34, 0.25);
  color: #fff;
}

.button-primary:hover {
  background: linear-gradient(110deg, #dfb27f, #c48554 55%, #9f6239);
}

.button-secondary {
  background: rgba(255, 255, 255, 0.02);
}

.button-secondary:hover {
  border-color: var(--copper-bright);
  background: rgba(184, 135, 90, 0.08);
}

.icon,
.card-icon {
  display: inline-flex;
  flex: 0 0 1.05rem;
  inline-size: 1.05rem;
  block-size: 1.05rem;
}

.icon svg,
.card-icon svg {
  inline-size: 100%;
  block-size: 100%;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.5;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  max-inline-size: 100%;
  color: var(--copper-bright);
  font-size: 0.75rem;
  line-height: 1.6;
  overflow-wrap: anywhere;
}

.text-link .icon {
  transition: transform 180ms ease;
}

.text-link:hover .icon {
  transform: translate(3px, -3px);
}

.skip-link {
  position: fixed;
  z-index: 1200;
  inset-block-start: max(0.75rem, env(safe-area-inset-top));
  inset-inline-start: max(1rem, env(safe-area-inset-left));
  padding: 0.65rem 0.9rem;
  background: var(--ivory);
  color: var(--ink);
  transform: translateY(-180%);
  transition: transform 160ms ease;
}

.skip-link:focus {
  transform: none;
}

.scroll-progress {
  position: fixed;
  z-index: 1100;
  inset: 0 0 auto;
  block-size: 2px;
  pointer-events: none;
}

.scroll-progress span {
  display: block;
  inline-size: 0;
  block-size: 100%;
  background: linear-gradient(90deg, var(--copper), var(--copper-bright));
}

.site-header {
  position: fixed;
  z-index: 1000;
  inset: 0 0 auto;
  block-size: calc(4rem + env(safe-area-inset-top));
  padding-block-start: env(safe-area-inset-top);
  border-block-end: 1px solid transparent;
  background: linear-gradient(180deg, rgba(5, 6, 7, 0.74), rgba(5, 6, 7, 0));
  transition: background-color 200ms ease, border-color 200ms ease, backdrop-filter 200ms ease;
}

.site-header.is-scrolled {
  border-color: var(--line);
  background: rgba(9, 11, 13, 0.9);
  backdrop-filter: blur(16px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  block-size: 100%;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  min-inline-size: 0;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.13em;
}

.brand-name {
  font-size: 0.625rem;
  overflow-wrap: anywhere;
}

.brand-symbol {
  position: relative;
  flex: 0 0 1.55rem;
  inline-size: 1.55rem;
  block-size: 1.55rem;
  border: 1px solid rgba(184, 135, 90, 0.55);
  border-radius: 50%;
}

.brand-symbol::before,
.brand-symbol::after,
.brand-symbol i {
  position: absolute;
  background: var(--copper-bright);
  content: "";
}

.brand-symbol::before {
  inset: 0.72rem 0.32rem auto;
  block-size: 1px;
}

.brand-symbol::after {
  inset: 0.32rem auto 0.32rem 0.72rem;
  inline-size: 1px;
}

.brand-symbol i {
  inset: 0.57rem auto auto 0.57rem;
  inline-size: 0.35rem;
  block-size: 0.35rem;
  border-radius: 50%;
  box-shadow: 0 0 0.75rem var(--copper-bright);
}

.menu-button {
  position: relative;
  z-index: 2;
  display: block;
  flex: 0 0 2.75rem;
  inline-size: 2.75rem;
  block-size: 2.75rem;
  background: transparent;
  cursor: pointer;
}

.menu-button span {
  position: absolute;
  inset-inline-start: 0.65rem;
  inline-size: 1.4rem;
  block-size: 1px;
  background: var(--ivory);
  transition: inset-block-start 180ms ease, transform 180ms ease;
}

.menu-button span:first-child {
  inset-block-start: 1.05rem;
}

.menu-button span:last-child {
  inset-block-start: 1.55rem;
}

.menu-button[aria-expanded="true"] span:first-child,
.menu-button[aria-expanded="true"] span:last-child {
  inset-block-start: 1.3rem;
}

.menu-button[aria-expanded="true"] span:first-child {
  transform: rotate(45deg);
}

.menu-button[aria-expanded="true"] span:last-child {
  transform: rotate(-45deg);
}

.main-nav {
  position: fixed;
  z-index: 1;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
  gap: 1.4rem;
  min-block-size: 100dvh;
  padding:
    calc(5.5rem + env(safe-area-inset-top))
    max(10vw, calc(var(--page-gutter) + env(safe-area-inset-right)))
    calc(2.5rem + env(safe-area-inset-bottom))
    max(10vw, calc(var(--page-gutter) + env(safe-area-inset-left)));
  overflow-y: auto;
  overscroll-behavior: contain;
  background: rgba(7, 8, 9, 0.985);
  font-size: clamp(1.05rem, 4.6vw, 1.3rem);
  line-height: 1.5;
  pointer-events: none;
  transform: translateX(100%);
  transition: transform 260ms ease, visibility 260ms step-end;
  visibility: hidden;
}

.main-nav.is-open {
  pointer-events: auto;
  transform: none;
  transition: transform 260ms ease, visibility 0s;
  visibility: visible;
}

.main-nav > a {
  max-inline-size: 100%;
  overflow-wrap: anywhere;
}

.nav-cta {
  padding: 0.65rem 1rem;
  border: 1px solid var(--line-copper);
  border-radius: 999px;
}

.sr-only {
  position: absolute;
  inline-size: 1px;
  block-size: 1px;
  padding: 0;
  border: 0;
  margin: -1px;
  clip-path: inset(50%);
  overflow: hidden;
  white-space: nowrap;
}

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

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

.js .reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* Generic fallback hero, used by 404. */
.hero {
  position: relative;
  display: grid;
  align-items: center;
  min-block-size: 100svh;
  padding-block: calc(6.5rem + env(safe-area-inset-top)) 4.5rem;
}

.hero-actions,
.cinema-actions,
.not-found-actions {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.65rem;
  margin-block-start: 1.75rem;
}

.hero-actions .button,
.cinema-actions .button,
.not-found-actions .button {
  inline-size: 100%;
}

.not-found {
  min-block-size: 100svh;
  text-align: center;
}

.not-found .shell {
  max-inline-size: 48rem;
}

.not-found .lead {
  max-inline-size: 40rem;
  margin-inline: auto;
}

/* Homepage */
.home-cinematic {
  background: var(--ink);
  color: var(--ivory);
}

.cinematic-header {
  background: linear-gradient(180deg, rgba(6, 7, 8, 0.68), rgba(6, 7, 8, 0));
}

.cinema-hero {
  position: relative;
  inline-size: 100%;
  aspect-ratio: 1665 / 945;
  background: #000;
  overflow: clip;
}

.cinema-hero picture,
.cinema-hero img {
  inline-size: 100%;
  block-size: 100%;
}

.cinema-hero img {
  object-fit: cover;
  object-position: center;
}

.cinema-scene {
  position: relative;
  isolation: isolate;
  min-block-size: clamp(34rem, 82svh, 44rem);
  border-block-start: 1px solid rgba(242, 244, 247, 0.07);
  overflow: clip;
}

.cinema-scene::before,
.cinema-scene::after {
  position: absolute;
  z-index: -1;
  pointer-events: none;
  content: "";
}

.scene-shell {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-block-size: inherit;
  padding-block: clamp(5rem, 11vw, 8rem);
}

.scene-left {
  align-items: flex-start;
}

.scene-copy {
  max-inline-size: 42rem;
}

.cinema-title {
  max-inline-size: 100%;
  margin: 0 0 1.5rem;
  color: var(--ivory);
  font-size: clamp(1.95rem, calc(1.25rem + 3.5vw), 4.5rem);
  letter-spacing: -0.025em;
  line-height: 1.38;
}

.cinema-title-main {
  font-size: clamp(2.05rem, calc(1.3rem + 3.7vw), 4.75rem);
}

.cinema-lead {
  max-inline-size: 42rem;
  margin: 0;
  color: rgba(242, 244, 247, 0.72);
  font-size: clamp(0.8rem, calc(0.76rem + 0.18vw), 0.95rem);
  line-height: 2.05;
}

.scene-declaration {
  background:
    linear-gradient(90deg, rgba(13, 15, 17, 0.98), rgba(13, 15, 17, 0.92) 50%, rgba(13, 15, 17, 0.58) 78%, rgba(13, 15, 17, 0.84)),
    url("/assets/images/home-metal-720.webp") 62% center / cover no-repeat;
}

.scene-declaration::after {
  inset: 0;
  background: radial-gradient(circle at 5% 32%, rgba(184, 135, 90, 0.16), transparent 24%);
}

.scene-diagnosis {
  background: linear-gradient(110deg, #171b1f, #202428 50%, #111418);
}

.scene-diagnosis::before {
  inset: -10% -15% -10% 30%;
  background: linear-gradient(123deg, transparent 38%, rgba(242, 244, 247, 0.04) 44%, rgba(242, 244, 247, 0.26) 50%, rgba(242, 244, 247, 0.05) 57%, transparent 63%);
  filter: blur(12px);
  transform: skewX(-10deg);
}

.scene-diagnosis::after {
  inset: 0;
  background: radial-gradient(circle at 74% 34%, rgba(242, 244, 247, 0.1), transparent 22%);
}

.scene-observing {
  background:
    radial-gradient(circle at 82% 28%, rgba(184, 135, 90, 0.13), transparent 24%),
    linear-gradient(135deg, #101317, #070809);
}

.diagnosis-scene-grid,
.guide-scene-grid,
.final-scene-grid,
.fan-grid,
.partner-band-grid,
.utility-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(2rem, 6vw, 4.5rem);
}

.diagnosis-scene-grid,
.guide-scene-grid,
.final-scene-grid {
  align-items: center;
  min-block-size: inherit;
  padding-block: clamp(5rem, 10vw, 7rem);
}

.diagnosis-lines {
  display: grid;
  border-block-start: 1px solid rgba(242, 244, 247, 0.18);
}

.diagnosis-lines div {
  display: grid;
  grid-template-columns: 2.5rem minmax(0, 1fr);
  align-items: center;
  gap: 1rem;
  padding-block: 1rem;
  border-block-end: 1px solid rgba(242, 244, 247, 0.14);
}

.diagnosis-lines span {
  color: var(--copper);
  font-size: 0.625rem;
  letter-spacing: 0.14em;
}

.diagnosis-lines strong {
  color: rgba(242, 244, 247, 0.8);
  font-size: 0.78rem;
  font-weight: 500;
  line-height: 1.8;
}

.focus-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 12rem), 1fr));
  border-block-start: 1px solid var(--line-copper);
  border-inline-start: 1px solid var(--line);
}

.focus-card {
  min-inline-size: 0;
  padding: 1.5rem;
  border-inline-end: 1px solid var(--line);
  border-block-end: 1px solid var(--line);
}

.focus-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem 0.75rem;
  color: rgba(242, 244, 247, 0.48);
  font-size: 0.58rem;
  letter-spacing: 0.08em;
  line-height: 1.7;
}

.focus-status {
  display: inline-flex;
  max-inline-size: 100%;
  padding: 0.25rem 0.55rem;
  border: 1px solid var(--line-copper);
  border-radius: 999px;
  color: var(--copper-bright);
  overflow-wrap: anywhere;
}

.focus-card h3 {
  margin: 1.35rem 0 0.6rem;
  font-size: 1.25rem;
}

.focus-card p {
  margin: 0;
  color: rgba(242, 244, 247, 0.64);
  font-size: 0.74rem;
  line-height: 2;
}

.scene-guides {
  background:
    linear-gradient(90deg, rgba(7, 8, 9, 0.2), rgba(7, 8, 9, 0.35) 42%, rgba(7, 8, 9, 0.9) 67%, rgba(7, 8, 9, 0.97)),
    url("/assets/images/home-guide-720.webp") 37% center / cover no-repeat;
}

.scene-records {
  background:
    linear-gradient(90deg, rgba(7, 8, 9, 0.22), rgba(7, 8, 9, 0.38) 42%, rgba(7, 8, 9, 0.91) 67%, rgba(7, 8, 9, 0.97)),
    url("/assets/images/home-metal-720.webp") center / cover no-repeat;
}

.scene-guides::after {
  inset: 0;
  background: linear-gradient(128deg, transparent 58%, rgba(184, 135, 90, 0.2) 67%, transparent 74%);
  mix-blend-mode: screen;
  opacity: 0.6;
}

.guide-visual-space {
  min-block-size: clamp(12rem, 58vw, 17rem);
}

.scene-standards {
  min-block-size: clamp(38rem, 84svh, 46rem);
  background:
    linear-gradient(115deg, rgba(255, 255, 255, 0.92), rgba(210, 215, 220, 0.86) 45%, rgba(242, 244, 247, 0.96)),
    repeating-linear-gradient(112deg, rgba(30, 33, 36, 0.14) 0 1px, rgba(255, 255, 255, 0.08) 1px 4px);
  color: #151719;
}

.scene-standards::before {
  inset: 0;
  background: linear-gradient(127deg, transparent 20%, rgba(255, 255, 255, 0.5) 39%, transparent 66%);
}

.standards-hero {
  position: relative;
  display: grid;
  align-items: center;
  min-block-size: inherit;
  padding-block: clamp(5rem, 10vw, 7rem);
}

.standards-hero > :first-child {
  position: relative;
  z-index: 1;
  max-inline-size: 49rem;
}

.standards-lead {
  max-inline-size: 43rem;
  margin: 0;
  color: rgba(21, 23, 25, 0.72);
  font-size: 0.8rem;
  line-height: 2;
}

.standards-seven {
  position: absolute;
  z-index: 0;
  inset-block-start: 2.5rem;
  inset-inline-end: 0;
  color: transparent;
  font-family: var(--serif);
  font-size: clamp(9rem, 45vw, 14rem);
  font-weight: 400;
  line-height: 0.8;
  opacity: 0.52;
  pointer-events: none;
  -webkit-text-stroke: 1px rgba(95, 58, 34, 0.55);
}

.standards-details {
  max-inline-size: 49rem;
  margin-block-start: 1.5rem;
}

.standards-details summary {
  inline-size: fit-content;
  max-inline-size: 100%;
  padding-block-end: 0.3rem;
  border-block-end: 1px solid rgba(21, 23, 25, 0.35);
  color: #151719;
  cursor: pointer;
  font-size: 0.75rem;
  line-height: 1.7;
  list-style: none;
}

.standards-details summary::-webkit-details-marker {
  display: none;
}

.standards-details ol {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  padding: 0;
  border-block-start: 1px solid rgba(21, 23, 25, 0.18);
  margin: 1.25rem 0 0;
  list-style: none;
}

.standards-details li {
  display: grid;
  gap: 0.25rem;
  padding-block: 0.9rem;
  border-block-end: 1px solid rgba(21, 23, 25, 0.16);
}

.standards-details strong {
  color: #151719;
  font-family: var(--serif);
  font-size: 1rem;
  font-weight: 500;
}

.standards-details span {
  color: rgba(21, 23, 25, 0.64);
  font-size: 0.67rem;
  line-height: 1.8;
}

.scene-final {
  background:
    linear-gradient(90deg, rgba(6, 7, 8, 0.98), rgba(6, 7, 8, 0.93) 48%, rgba(6, 7, 8, 0.42) 72%, rgba(6, 7, 8, 0.18)),
    url("/assets/images/home-final-720.webp") 58% center / cover no-repeat;
}

.scene-final::after {
  inset: 0;
  background: radial-gradient(circle at 76% 68%, rgba(184, 135, 90, 0.14), transparent 28%);
}

.scene-final .scene-copy {
  align-self: end;
}

.cinema-utility,
.cinema-fan {
  padding-block: clamp(5.25rem, 9vw, 8rem);
  border-block: 1px solid rgba(242, 244, 247, 0.07);
  background: #070809;
}

.utility-heading {
  align-items: end;
  margin-block-end: clamp(2.25rem, 5vw, 3.5rem);
}

.utility-heading .cinema-title {
  margin: 0;
}

.utility-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border-block: 1px solid rgba(184, 135, 90, 0.32);
}

.utility-card {
  position: relative;
  display: block;
  min-block-size: 14rem;
  padding: 2rem 1.5rem 3.75rem;
  border-block-end: 1px solid rgba(242, 244, 247, 0.1);
  transition: background-color 180ms ease;
}

.utility-card:last-child {
  border-block-end: 0;
}

.utility-card:hover {
  background: linear-gradient(145deg, rgba(184, 135, 90, 0.09), transparent);
}

.utility-card > span:first-child {
  color: var(--copper);
  font-size: 0.58rem;
  letter-spacing: 0.14em;
}

.utility-card h3 {
  margin: 2.25rem 0 0.8rem;
  font-size: 1.7rem;
}

.utility-card p {
  max-inline-size: 29em;
  margin: 0;
  color: rgba(242, 244, 247, 0.64);
  font-size: 0.78rem;
  line-height: 2;
}

.utility-card > .icon {
  position: absolute;
  inset-block-end: 1.6rem;
  inset-inline-end: 1.5rem;
  color: var(--copper);
}

.cinema-fan {
  background:
    radial-gradient(circle at 20% 50%, rgba(184, 135, 90, 0.12), transparent 27%),
    linear-gradient(135deg, #101317, #060708);
}

.fan-grid {
  align-items: center;
}

.fan-copy {
  min-inline-size: 0;
}

.fan-note {
  display: grid;
  border-block-start: 1px solid rgba(184, 135, 90, 0.35);
}

.fan-note span,
.fan-note strong {
  padding-block: 1rem;
  border-block-end: 1px solid rgba(242, 244, 247, 0.1);
}

.fan-note span {
  color: var(--copper);
  font-size: 0.58rem;
  letter-spacing: 0.15em;
}

.fan-note strong {
  font-family: var(--serif);
  font-size: 1.1rem;
  font-weight: 500;
}

.partner-band {
  padding-block: clamp(3.75rem, 7vw, 4.75rem);
  border-block: 1px solid rgba(242, 244, 247, 0.08);
  background: linear-gradient(110deg, rgba(184, 135, 90, 0.1), rgba(32, 36, 40, 0.28));
}

.partner-band-grid {
  align-items: center;
}

.partner-band h2 {
  margin-block-end: 0.8rem;
  font-size: clamp(1.85rem, calc(1.55rem + 1.6vw), 3.25rem);
}

.partner-band p:not(.cinema-kicker) {
  max-inline-size: 44rem;
  margin: 0;
  color: rgba(242, 244, 247, 0.64);
  font-size: 0.8rem;
  line-height: 2;
}

.cinema-closing {
  padding-block: clamp(5.5rem, 10vw, 8rem);
  border-block-start: 1px solid rgba(242, 244, 247, 0.07);
  background:
    radial-gradient(circle at 50% 100%, rgba(184, 135, 90, 0.12), transparent 32%),
    #070809;
  text-align: center;
}

.cinema-closing .cinema-title,
.cinema-closing .cinema-lead {
  max-inline-size: 52rem;
  margin-inline: auto;
}

.cinema-closing .button {
  margin-block-start: 2rem;
}

/* Footer */
.cinematic-footer {
  background: #030404;
}

.site-footer {
  padding-block: 4.75rem calc(1.75rem + env(safe-area-inset-bottom));
  border-block-start: 1px solid var(--line);
  background: #030404;
}

.footer-top {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2.25rem;
}

.footer-brand p {
  max-inline-size: 34rem;
  margin-block-start: 1.25rem;
  color: var(--muted);
  font-size: 0.75rem;
}

.footer-links h2 {
  margin-block-end: 1rem;
  color: var(--copper-bright);
  font: 700 0.58rem/1.5 var(--sans);
  letter-spacing: 0.15em;
}

.footer-links a {
  display: block;
  inline-size: fit-content;
  max-inline-size: 100%;
  margin-block: 0.5rem;
  color: var(--muted);
  font-size: 0.7rem;
  overflow-wrap: anywhere;
}

.footer-links a:hover {
  color: var(--ivory);
}

.footer-note {
  margin-block-start: 2.5rem;
  padding-block-start: 1.25rem;
  border-block-start: 1px solid var(--line);
}

.footer-note p {
  max-inline-size: 50rem;
  color: rgba(242, 244, 247, 0.62);
  font-size: 0.58rem;
  line-height: 1.9;
}

.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-block-start: 2rem;
  color: rgba(242, 244, 247, 0.38);
  font-size: 0.58rem;
  letter-spacing: 0.07em;
}

.toast {
  position: fixed;
  z-index: 1150;
  inset-block-end: max(1rem, calc(env(safe-area-inset-bottom) + 0.75rem));
  inset-inline-start: 50%;
  max-inline-size: min(35rem, calc(100vw - 2rem));
  padding: 0.75rem 1rem;
  border-radius: 999px;
  background: var(--ivory);
  color: var(--ink);
  font-size: 0.7rem;
  line-height: 1.6;
  opacity: 0;
  overflow-wrap: anywhere;
  pointer-events: none;
  text-align: center;
  transform: translate(-50%, 1rem);
  transition: opacity 180ms ease, transform 180ms ease;
}

.toast.is-visible {
  opacity: 1;
  transform: translate(-50%, 0);
}

[hidden] {
  display: none;
}

@keyframes fade-in {
  from {
    opacity: 0;
    transform: translateY(0.75rem);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* Tablet: explicit 768px tier, without a typography/layout cliff. */
@media (min-width: 48rem) {
  .brand-name {
    font-size: 0.72rem;
  }

  .hero-actions,
  .cinema-actions,
  .not-found-actions {
    display: flex;
    flex-wrap: wrap;
  }

  .hero-actions .button,
  .cinema-actions .button,
  .not-found-actions .button {
    inline-size: auto;
  }

  .diagnosis-scene-grid,
  .guide-scene-grid,
  .final-scene-grid {
    padding-block: clamp(6rem, 9vw, 7rem);
  }

  .diagnosis-lines div {
    grid-template-columns: 3rem minmax(0, 1fr);
    padding-block: 1.2rem;
  }

  .scene-declaration {
    background-image:
      linear-gradient(90deg, rgba(13, 15, 17, 0.98), rgba(13, 15, 17, 0.92) 50%, rgba(13, 15, 17, 0.58) 78%, rgba(13, 15, 17, 0.84)),
      url("/assets/images/home-metal-1200.webp");
  }

  .scene-guides {
    background-image:
      linear-gradient(90deg, rgba(7, 8, 9, 0.2), rgba(7, 8, 9, 0.35) 42%, rgba(7, 8, 9, 0.9) 67%, rgba(7, 8, 9, 0.97)),
      url("/assets/images/home-guide-1200.webp");
  }

  .scene-records {
    background-image:
      linear-gradient(90deg, rgba(7, 8, 9, 0.22), rgba(7, 8, 9, 0.38) 42%, rgba(7, 8, 9, 0.91) 67%, rgba(7, 8, 9, 0.97)),
      url("/assets/images/home-metal-1200.webp");
  }

  .scene-final {
    background-image:
      linear-gradient(90deg, rgba(6, 7, 8, 0.98), rgba(6, 7, 8, 0.93) 48%, rgba(6, 7, 8, 0.42) 72%, rgba(6, 7, 8, 0.18)),
      url("/assets/images/home-final-1200.webp");
  }

  .standards-details ol {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 2rem;
  }

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

  .utility-card {
    min-block-size: 18rem;
    border-block-end: 0;
    border-inline-end: 1px solid rgba(242, 244, 247, 0.1);
  }

  .utility-card:last-child {
    border-inline-end: 0;
  }

  .footer-top {
    grid-template-columns: 1.35fr 0.55fr 0.55fr;
    gap: 3rem;
  }

  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
  }
}

/* Desktop navigation and cinematic two-column scenes. */
@media (min-width: 68.75rem) {
  .site-header {
    block-size: calc(4.75rem + env(safe-area-inset-top));
  }

  .menu-button {
    display: none;
  }

  .main-nav {
    position: static;
    z-index: auto;
    flex-direction: row;
    align-items: center;
    justify-content: flex-end;
    gap: 1.5rem;
    min-block-size: 0;
    padding: 0;
    overflow: visible;
    background: transparent;
    font-size: 0.7rem;
    pointer-events: auto;
    transform: none;
    transition: none;
    visibility: visible;
  }

  .scene-declaration {
    background-image:
      linear-gradient(90deg, rgba(13, 15, 17, 0.98), rgba(13, 15, 17, 0.92) 50%, rgba(13, 15, 17, 0.58) 78%, rgba(13, 15, 17, 0.84)),
      url("/assets/images/home-metal-1672.webp");
  }

  .scene-guides {
    background-image:
      linear-gradient(90deg, rgba(7, 8, 9, 0.2), rgba(7, 8, 9, 0.35) 42%, rgba(7, 8, 9, 0.9) 67%, rgba(7, 8, 9, 0.97)),
      url("/assets/images/home-guide-1672.webp");
  }

  .scene-records {
    background-image:
      linear-gradient(90deg, rgba(7, 8, 9, 0.22), rgba(7, 8, 9, 0.38) 42%, rgba(7, 8, 9, 0.91) 67%, rgba(7, 8, 9, 0.97)),
      url("/assets/images/home-metal-1672.webp");
  }

  .scene-final {
    background-image:
      linear-gradient(90deg, rgba(6, 7, 8, 0.98), rgba(6, 7, 8, 0.93) 48%, rgba(6, 7, 8, 0.42) 72%, rgba(6, 7, 8, 0.18)),
      url("/assets/images/home-final-1672.webp");
  }

  .main-nav > a:not(.nav-cta) {
    position: relative;
    padding-block: 0.5rem;
  }

  .main-nav > a:not(.nav-cta)::after {
    position: absolute;
    inset: auto 100% 0.2rem 0;
    block-size: 1px;
    background: var(--copper-bright);
    content: "";
    transition: inset-inline-end 180ms ease;
  }

  .main-nav > a:hover::after,
  .main-nav > a[aria-current="page"]::after {
    inset-inline-end: 0;
  }

  .section-heading {
    grid-template-columns: minmax(0, 1.08fr) minmax(18rem, 0.72fr);
    align-items: end;
    gap: 3.75rem;
  }

  .section-heading > p {
    justify-self: end;
  }

  .diagnosis-scene-grid {
    grid-template-columns: minmax(0, 1fr) minmax(18rem, 0.78fr);
  }

  .guide-scene-grid {
    grid-template-columns: minmax(0, 1fr) minmax(24rem, 0.92fr);
  }

  .guide-scene-grid .scene-copy {
    justify-self: end;
  }

  .final-scene-grid {
    grid-template-columns: minmax(22rem, 0.9fr) minmax(0, 1.1fr);
  }

  .scene-final .scene-copy {
    align-self: center;
  }

  .standards-seven {
    position: static;
    justify-self: end;
    grid-column: 2;
    grid-row: 1;
    font-size: clamp(12rem, 24vw, 22rem);
    opacity: 1;
  }

  .standards-hero {
    grid-template-columns: minmax(0, 1fr) minmax(12rem, 0.42fr);
    gap: 3rem;
  }

  .utility-heading {
    grid-template-columns: minmax(0, 1fr) minmax(20rem, 0.8fr);
  }

  .utility-heading .cinema-lead {
    justify-self: end;
  }

  .fan-grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(16rem, 0.55fr);
  }

  .partner-band-grid {
    grid-template-columns: minmax(0, 1fr) auto;
  }
}

@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;
  }

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