@font-face {
  font-family: "Manrope";
  src: url("/fonts/manrope-variable-latin.woff2") format("woff2");
  font-display: swap;
  font-weight: 300 800;
}

@font-face {
  font-family: "Montserrat";
  src: url("/fonts/montserrat-700-900-latin.woff2") format("woff2");
  font-display: swap;
  font-weight: 700 900;
}

:root {
  color-scheme: dark;
  --ink: #0b0b0c;
  --raised: #141416;
  --surface: #1b1b1e;
  --surface-2: #222226;
  --line: rgba(255, 255, 255, 0.13);
  --line-strong: rgba(255, 255, 255, 0.24);
  --text: #f4f4f5;
  --muted: #a7a7af;
  --faint: #777780;
  --red: #d03737;
  --red-bright: #e04444;
  --radius: 18px;
  --gutter: clamp(20px, 5vw, 72px);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--ink);
  color: var(--text);
  font-family: "Manrope", system-ui, sans-serif;
  line-height: 1.5;
}

button,
input {
  font: inherit;
}

a {
  color: inherit;
}

.skip-link {
  position: fixed;
  z-index: 20;
  left: 12px;
  top: 12px;
  padding: 10px 14px;
  background: #fff;
  color: #000;
  transform: translateY(-150%);
}

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

.site-header {
  min-height: 82px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: clamp(24px, 4vw, 68px);
  padding: 14px var(--gutter);
  border-bottom: 1px solid var(--line);
  background: rgba(11, 11, 12, 0.94);
}

.brand img {
  display: block;
  width: clamp(142px, 15vw, 188px);
  height: auto;
}

.site-nav {
  display: flex;
  justify-content: flex-end;
  gap: clamp(18px, 2.5vw, 38px);
  font-size: 0.82rem;
  font-weight: 700;
}

.site-nav a {
  color: #c9c9ce;
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: #fff;
}

.header-cta,
.btn {
  border: 1px solid transparent;
  border-radius: 5px;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
  transition: 160ms ease;
}

.header-cta {
  padding: 12px 17px;
  background: var(--red);
  font-size: 0.78rem;
}

.header-cta:hover,
.btn--primary:hover {
  background: var(--red-bright);
  transform: translateY(-1px);
}

.hero {
  position: relative;
  overflow: hidden;
  padding: clamp(64px, 9vw, 126px) var(--gutter) clamp(56px, 8vw, 104px);
  background:
    radial-gradient(circle at 77% 20%, rgba(208, 55, 55, 0.18), transparent 0 28%),
    linear-gradient(135deg, #111113 0%, #0b0b0c 62%);
}

.hero::after {
  content: "";
  position: absolute;
  width: 450px;
  height: 450px;
  right: -140px;
  top: -190px;
  border: 1px solid rgba(208, 55, 55, 0.34);
  border-radius: 50%;
  box-shadow: 0 0 0 70px rgba(208, 55, 55, 0.035), 0 0 0 140px rgba(208, 55, 55, 0.02);
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 920px;
}

.hero__meta {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.eyebrow,
.section-kicker,
.step {
  color: #e9e9eb;
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.prototype-badge {
  padding: 5px 9px;
  border: 1px solid rgba(208, 55, 55, 0.58);
  border-radius: 999px;
  color: #ff8b8b;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 900px;
  margin: 0;
  font-family: "Montserrat", sans-serif;
  font-size: clamp(3rem, 7.5vw, 7.7rem);
  line-height: 0.88;
  letter-spacing: -0.055em;
  text-transform: uppercase;
}

.hero h1 span {
  color: var(--red);
}

.hero p {
  max-width: 700px;
  margin: 30px 0 0;
  color: #bcbcc3;
  font-size: clamp(1rem, 1.6vw, 1.2rem);
}

.hero__rule {
  position: absolute;
  bottom: 0;
  left: var(--gutter);
  width: 86px;
  height: 4px;
  background: var(--red);
  transform: skewX(-25deg);
}

.mixer-shell {
  padding: clamp(58px, 8vw, 110px) var(--gutter) clamp(72px, 9vw, 130px);
}

.mixer-intro {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 40px;
  align-items: end;
  max-width: 1440px;
  margin: 0 auto 38px;
}

.section-kicker {
  margin: 0 0 10px;
  color: var(--red-bright);
}

.mixer-intro h2 {
  margin: 0;
  font-family: "Montserrat", sans-serif;
  font-size: clamp(2rem, 4vw, 4rem);
  line-height: 1;
  letter-spacing: -0.04em;
}

.mixer-intro > p {
  max-width: 570px;
  justify-self: end;
  margin: 0;
  color: var(--muted);
}

.preset-panel {
  display: grid;
  grid-template-columns: minmax(220px, 0.48fr) minmax(0, 1.52fr);
  gap: 28px;
  align-items: center;
  max-width: 1440px;
  margin: 0 auto 24px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(120deg, rgba(216, 43, 43, 0.1), transparent 44%), var(--raised);
}

.preset-panel__intro h3 {
  margin: 4px 0 7px;
  font-family: "Montserrat", sans-serif;
  font-size: 1.15rem;
}

.preset-panel__intro p {
  margin: 0;
  color: var(--muted);
  font-size: 0.76rem;
}

.preset-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.preset-card {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
  min-width: 0;
  padding: 9px;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: rgba(15, 15, 17, 0.7);
  color: var(--text);
  text-align: left;
  cursor: pointer;
  transition: border-color 150ms ease, transform 150ms ease, background 150ms ease;
}

.preset-card:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.42);
}

.preset-card[aria-pressed="true"] {
  border-color: var(--red-bright);
  background: rgba(216, 43, 43, 0.11);
  box-shadow: 0 0 0 1px var(--red-bright) inset;
}

.preset-card__swatches {
  display: flex;
  align-self: stretch;
  min-height: 58px;
  overflow: hidden;
  border-radius: 7px;
}

.preset-card__swatches span {
  min-width: 8px;
}

.preset-card__swatches img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.preset-card__copy {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.preset-card__copy strong {
  font-size: 0.82rem;
}

.preset-card__copy span {
  overflow: hidden;
  color: var(--muted);
  font-size: 0.68rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.preset-card__total {
  padding: 6px 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  font-size: 0.68rem;
  font-weight: 900;
}

.mixer-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(430px, 1.05fr);
  gap: 24px;
  max-width: 1440px;
  margin: 0 auto;
  align-items: start;
}

.palette-panel,
.preview-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--raised);
  box-shadow: 0 24px 90px rgba(0, 0, 0, 0.22);
}

.palette-panel {
  padding: clamp(20px, 3vw, 34px);
}

.preview-panel {
  position: sticky;
  top: 20px;
  overflow: hidden;
}

.panel-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 26px;
}

.panel-heading--preview {
  padding: clamp(22px, 3vw, 34px) clamp(22px, 3vw, 36px) 0;
}

.panel-heading h3 {
  margin: 4px 0 0;
  font-family: "Montserrat", sans-serif;
  font-size: clamp(1.25rem, 2.2vw, 1.85rem);
  letter-spacing: -0.025em;
}

.step {
  color: var(--faint);
}

.selection-count,
.total-badge {
  flex: none;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 800;
}

.selection-count {
  padding: 7px 10px;
}

.total-badge {
  min-width: 74px;
  padding: 8px 12px;
  text-align: center;
}

.total-badge strong {
  color: #fff;
  font-size: 1.05rem;
}

.color-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.color-card {
  position: relative;
  overflow: hidden;
  min-width: 0;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  color: var(--text);
  text-align: left;
  cursor: pointer;
  transition: border-color 150ms ease, transform 150ms ease, background 150ms ease;
}

.color-card:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.34);
}

.color-card[aria-pressed="true"] {
  border-color: var(--red-bright);
  background: #262124;
  box-shadow: 0 0 0 1px var(--red-bright) inset;
}

.color-card:focus-visible,
.btn:focus-visible,
.icon-button:focus-visible,
input[type="range"]:focus-visible {
  outline: 3px solid #fff;
  outline-offset: 3px;
}

.color-card__sample {
  position: relative;
  aspect-ratio: 1.72;
  overflow: hidden;
  background: var(--chip-color);
}

.color-card__sample canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.color-card__hover {
  position: absolute;
  z-index: 2;
  inset: auto 0 0;
  display: grid;
  gap: 2px;
  padding: 32px 12px 11px;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.88));
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity 160ms ease, transform 160ms ease;
}

.color-card:hover .color-card__hover,
.color-card:focus-visible .color-card__hover {
  opacity: 1;
  transform: translateY(0);
}

.color-card__check {
  position: absolute;
  z-index: 2;
  top: 8px;
  right: 8px;
  display: grid;
  place-items: center;
  width: 25px;
  height: 25px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.72);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 900;
}

.color-card[aria-pressed="false"] .color-card__check {
  color: transparent;
}

.color-card__ral {
  color: rgba(255, 255, 255, 0.76);
  font-family: ui-monospace, monospace;
  font-size: 0.72rem;
  font-weight: 800;
}

.color-card__name {
  min-width: 0;
  overflow: hidden;
  color: #fff;
  font-size: 0.82rem;
  font-weight: 900;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.color-card__percent {
  position: absolute;
  z-index: 3;
  top: 8px;
  left: 8px;
  padding: 3px 6px;
  border-radius: 4px;
  background: var(--red);
  font-size: 0.68rem;
  font-weight: 900;
}

.color-card[aria-pressed="false"] .color-card__percent {
  display: none;
}

@media (hover: none) {
  .color-card__hover {
    opacity: 1;
    transform: none;
  }
}

.palette-note {
  margin: 20px 0 0;
  color: var(--faint);
  font-size: 0.72rem;
}

.mix-controls {
  display: grid;
  gap: 10px;
  padding: 0 clamp(22px, 3vw, 36px) clamp(22px, 3vw, 32px);
}

.mix-row {
  --mix-color: #fff;
  display: grid;
  grid-template-columns: minmax(130px, 0.8fr) minmax(150px, 1.3fr) 122px;
  align-items: center;
  gap: 15px;
  padding: 13px 14px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--surface);
}

.mix-row__name {
  display: grid;
  grid-template-columns: 12px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
}

.mix-row__dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--mix-color);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--mix-color) 20%, transparent);
}

.mix-row__label {
  min-width: 0;
}

.mix-row__label strong,
.mix-row__label span {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mix-row__label strong {
  font-size: 0.78rem;
}

.mix-row__label span {
  color: var(--faint);
  font-size: 0.68rem;
}

input[type="range"] {
  width: 100%;
  height: 4px;
  margin: 0;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--mix-color) var(--range-progress), #424248 var(--range-progress));
  appearance: none;
}

input[type="range"]::-webkit-slider-thumb {
  width: 18px;
  height: 18px;
  border: 3px solid #fff;
  border-radius: 50%;
  background: var(--mix-color);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.38);
  cursor: grab;
  appearance: none;
}

input[type="range"]::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border: 3px solid #fff;
  border-radius: 50%;
  background: var(--mix-color);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.38);
  cursor: grab;
}

.percent-stepper {
  display: grid;
  grid-template-columns: 31px 1fr 31px;
  align-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  overflow: hidden;
}

.icon-button {
  width: 31px;
  height: 31px;
  padding: 0;
  border: 0;
  background: #2d2d32;
  color: #fff;
  cursor: pointer;
}

.icon-button:hover {
  background: #3a3a40;
}

.percent-stepper output {
  min-width: 47px;
  text-align: center;
  font-family: ui-monospace, monospace;
  font-size: 0.75rem;
  font-weight: 800;
}

.sample-frame {
  position: relative;
  overflow: hidden;
  margin: 0 clamp(14px, 2vw, 24px);
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  background: #202024;
  box-shadow: 0 22px 60px rgba(0, 0, 0, 0.42) inset;
}

.sample-frame canvas {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
}

.sample-label {
  position: absolute;
  left: 16px;
  bottom: 16px;
  display: grid;
  gap: 1px;
  min-width: 154px;
  padding: 9px 12px;
  border-left: 3px solid var(--red);
  background: rgba(11, 11, 12, 0.83);
  backdrop-filter: blur(8px);
}

.sample-label span {
  color: var(--faint);
  font-size: 0.6rem;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.sample-label strong {
  font-family: ui-monospace, monospace;
  font-size: 0.76rem;
}

.preview-actions {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 10px;
  padding: 20px clamp(22px, 3vw, 36px) 0;
}

.btn {
  min-height: 45px;
  padding: 10px 14px;
  font-size: 0.75rem;
}

.btn--secondary {
  border-color: var(--line-strong);
  background: transparent;
  color: #fff;
}

.btn--secondary:hover {
  border-color: #fff;
}

.btn--primary {
  background: var(--red);
  color: #fff;
}

.copy-status {
  min-height: 20px;
  margin: 9px 36px 20px;
  color: #8dd3a1;
  font-size: 0.72rem;
  text-align: right;
}

footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  padding: 28px var(--gutter);
  border-top: 1px solid var(--line);
  color: var(--faint);
  font-size: 0.72rem;
}

footer p {
  margin: 0;
}

footer div {
  display: flex;
  gap: 20px;
}

footer a {
  text-decoration: none;
}

footer a:hover {
  color: #fff;
}

@media (max-width: 1100px) {
  .site-nav {
    display: none;
  }

  .site-header {
    grid-template-columns: 1fr auto;
  }

  .mixer-layout {
    grid-template-columns: 1fr;
  }

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

  .preview-panel {
    position: static;
  }

  .color-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .site-header {
    min-height: 68px;
  }

  .header-cta {
    padding: 10px 12px;
    font-size: 0.7rem;
  }

  .mixer-intro {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .mixer-intro > p {
    justify-self: start;
  }

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

  .preset-card {
    grid-template-columns: 74px minmax(0, 1fr) auto;
  }

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

  .mix-row {
    grid-template-columns: minmax(120px, 1fr) 116px;
  }

  .mix-row input[type="range"] {
    grid-column: 1 / -1;
    grid-row: 2;
  }

  .preview-actions {
    grid-template-columns: 1fr;
  }

  footer {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 1320px) and (min-width: 721px) {
  .preview-actions {
    grid-template-columns: 1fr 1fr;
  }

  .preview-actions .btn--primary {
    grid-column: 1 / -1;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}