@import url('https://api.fontshare.com/v2/css?f[]=satoshi@400,500,700&f[]=cabinet-grotesk@500,700&display=swap');

:root {
  --bg: #f6f2ec;
  --bg-strong: #efe8de;
  --surface: #fbf8f3;
  --surface-2: #f2ece3;
  --text: #24211d;
  --muted: #6a6258;
  --line: #dbd2c7;
  --accent: #c76a2f;
  --accent-soft: #ebd7c8;
  --danger: #9f3928;
  --ok: #2f6d4f;
  --radius: 20px;
  --radius-sm: 12px;
  --shadow-sm: 0 12px 28px rgba(36, 33, 29, 0.08);
  --shadow-lg: 0 26px 65px rgba(33, 29, 24, 0.12);
  --loader-indicator-width: 42%;
  --max: 1180px;
  --space: clamp(1rem, 1.5vw, 1.4rem);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Satoshi', 'General Sans', 'Cabinet Grotesk', 'Switzer', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

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

a {
  color: inherit;
}

.skip-link {
  position: absolute;
  left: -9999px;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
  background: var(--text);
  color: var(--bg);
  border-radius: 10px;
  padding: 0.5rem 0.75rem;
  z-index: 100;
}

.site-loader {
  position: fixed;
  inset: 0;
  z-index: 130;
  display: grid;
  place-items: center;
  background: var(--bg);
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.site-loader.hidden {
  opacity: 0;
  visibility: hidden;
}

.loader-shell {
  width: min(380px, 88vw);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem;
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.loader-bar {
  height: 8px;
  border-radius: 999px;
  background: var(--surface-2);
  overflow: hidden;
}

.loader-bar::after {
  content: '';
  display: block;
  height: 100%;
  width: var(--loader-indicator-width);
  background: var(--accent);
  animation: loaderRun 1.5s ease-in-out infinite;
}

@keyframes loaderRun {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(320%); }
}

.site-bg {
  position: fixed;
  inset: 0;
  z-index: -2;
  overflow: hidden;
  pointer-events: none;
}

.mesh,
.mesh::before,
.mesh::after {
  position: absolute;
  inset: -10%;
  content: '';
  background: radial-gradient(circle at 18% 22%, rgba(199, 106, 47, 0.16), transparent 42%),
              radial-gradient(circle at 78% 18%, rgba(146, 118, 86, 0.13), transparent 45%),
              radial-gradient(circle at 42% 78%, rgba(199, 106, 47, 0.09), transparent 50%);
  animation: drift 20s linear infinite;
}

.mesh::before { animation-duration: 30s; transform: translate3d(2%, -4%, 0); opacity: 0.6; }
.mesh::after { animation-duration: 42s; transform: translate3d(-3%, 4%, 0); opacity: 0.4; }

@keyframes drift {
  0% { transform: translate3d(0, 0, 0) scale(1); }
  50% { transform: translate3d(2%, -2%, 0) scale(1.05); }
  100% { transform: translate3d(0, 0, 0) scale(1); }
}

.particles {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(36, 33, 29, 0.13) 1px, transparent 1.5px);
  background-size: 52px 52px;
  opacity: 0.2;
  animation: particlesFloat 26s linear infinite;
}

@keyframes particlesFloat {
  from { transform: translateY(0); }
  to { transform: translateY(-52px); }
}

.noise {
  position: absolute;
  inset: 0;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220' viewBox='0 0 220 220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.82' numOctaves='2'/%3E%3C/filter%3E%3Crect width='220' height='220' filter='url(%23n)' opacity='.8'/%3E%3C/svg%3E");
}

.container {
  width: min(var(--max), 92vw);
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 90;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 94%, transparent);
  backdrop-filter: blur(10px);
}

.header-row {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand img {
  width: 28px;
  height: 28px;
}

.mobile-toggle {
  display: none;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 10px;
  width: 42px;
  height: 42px;
  padding: 0;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.mobile-toggle svg {
  width: 20px;
  height: 20px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  flex-wrap: wrap;
}

.nav a {
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.42rem 0.68rem;
  border-radius: 999px;
  border: 1px solid transparent;
}

.nav a:hover,
.nav a:focus-visible,
.nav a[aria-current='page'] {
  border-color: var(--line);
  color: var(--accent);
  outline: none;
}

main {
  padding: 2rem 0 4rem;
}

.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1.2rem, 3vw, 3rem);
  align-items: center;
  min-height: min(82vh, 760px);
}

.overline {
  margin: 0 0 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-weight: 700;
  color: var(--muted);
  font-size: 0.74rem;
}

h1,
h2,
h3,
h4 {
  margin: 0 0 0.8rem;
  line-height: 1.1;
  letter-spacing: -0.03em;
}

h1 {
  font-size: clamp(2.1rem, 5vw, 4.4rem);
  max-width: 14ch;
}

h2 {
  font-size: clamp(1.6rem, 3vw, 2.7rem);
}

h3 {
  font-size: clamp(1.08rem, 2vw, 1.4rem);
}

p {
  margin: 0 0 1rem;
  color: var(--muted);
}

.button-row {
  display: flex;
  gap: 0.7rem;
  flex-wrap: wrap;
  margin-top: 1.4rem;
}

.button,
.button-ghost,
.filter-btn {
  border: 1px solid var(--text);
  background: var(--text);
  color: var(--surface);
  border-radius: 999px;
  font-weight: 700;
  text-decoration: none;
  padding: 0.72rem 1.18rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}

.button-ghost,
.filter-btn {
  background: transparent;
  color: var(--text);
}

.button:hover,
.button:focus-visible,
.button-ghost:hover,
.button-ghost:focus-visible,
.filter-btn:hover,
.filter-btn:focus-visible {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px) scale(1.01);
  outline: none;
}

.button:hover,
.button:focus-visible {
  background: color-mix(in srgb, var(--accent) 90%, var(--text));
  color: var(--surface);
}

.button.magnetic,
.button-ghost.magnetic {
  will-change: transform;
}

.scroll-indicator {
  margin-top: 1.2rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.88rem;
}

.scroll-indicator svg {
  width: 16px;
  height: 16px;
  animation: bob 1.8s ease-in-out infinite;
}

@keyframes bob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(4px); }
}

.hero-card {
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: calc(var(--radius) + 4px);
  box-shadow: var(--shadow-lg);
  padding: clamp(0.9rem, 2vw, 1.4rem);
  position: relative;
  overflow: hidden;
}

.hero-card::before {
  content: '';
  position: absolute;
  width: 340px;
  height: 340px;
  border-radius: 50%;
  left: 52%;
  top: 56%;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(199, 106, 47, 0.34), rgba(199, 106, 47, 0));
  filter: blur(6px);
  animation: glowPulse 4.8s ease-in-out infinite;
}

@keyframes glowPulse {
  0%, 100% { opacity: 0.55; transform: translate(-50%, -50%) scale(0.95); }
  50% { opacity: 0.95; transform: translate(-50%, -50%) scale(1.06); }
}

#hero-device {
  position: relative;
  z-index: 1;
  transform-style: preserve-3d;
  transition: transform 0.3s ease;
  animation: floatDevice 4.8s ease-in-out infinite;
}

@keyframes floatDevice {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-8px); }
}

.section {
  margin-top: clamp(2.7rem, 6vw, 6rem);
}

.surface {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: clamp(1rem, 2vw, 1.6rem);
}

.editorial {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1rem, 2.5vw, 2.3rem);
  align-items: center;
}

.grid,
.grid-2,
.grid-3,
.grid-4 {
  display: grid;
  gap: 1rem;
}

.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1rem;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.card:hover,
.card:focus-within {
  transform: translateY(-4px);
  box-shadow: var(--shadow-sm);
}

.icon {
  width: 1.2rem;
  height: 1.2rem;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.8;
}

.icon-chip {
  width: 2.2rem;
  height: 2.2rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  display: grid;
  place-items: center;
  margin-bottom: 0.8rem;
  color: var(--accent);
}

.kpi {
  font-size: clamp(1.6rem, 3vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.03em;
}

.sticky-filter {
  position: sticky;
  top: 84px;
  z-index: 20;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface) 95%, transparent);
  backdrop-filter: blur(8px);
  border-radius: 999px;
  padding: 0.42rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1rem;
}

.filter-btn.active {
  background: var(--text);
  color: var(--surface);
  border-color: var(--text);
}

.search-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.75rem;
  margin: 1rem 0;
}

.search-row input {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 12px;
  color: var(--text);
  padding: 0.72rem 0.9rem;
  font: inherit;
}

.search-row input:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--accent) 45%, transparent);
  outline-offset: 1px;
}

.parts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 1rem;
}

.part-card .meta {
  display: flex;
  justify-content: space-between;
  gap: 0.7rem;
  align-items: start;
}

.badge {
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.74rem;
  font-weight: 700;
  padding: 0.18rem 0.56rem;
  display: inline-flex;
  align-items: center;
}

.price {
  font-size: 0.86rem;
  color: var(--accent);
  font-weight: 700;
}

.part-media {
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--line);
  margin-bottom: 0.8rem;
  aspect-ratio: 4 / 3;
  background: var(--surface-2);
}

.part-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.inline-actions {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  flex-wrap: wrap;
  margin-top: 0.8rem;
}

.icon-button {
  width: 2rem;
  height: 2rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: transparent;
  display: grid;
  place-items: center;
  cursor: pointer;
  color: var(--text);
}

.icon-button:hover,
.icon-button:focus-visible {
  color: var(--accent);
  border-color: var(--accent);
  outline: none;
}

.copy-note {
  font-size: 0.74rem;
  color: var(--ok);
}

.part-card details {
  margin-top: 0.85rem;
  border-top: 1px solid var(--line);
  padding-top: 0.75rem;
}

.part-card summary {
  list-style: none;
  cursor: pointer;
  font-weight: 700;
  font-size: 0.9rem;
}

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

.part-card ul {
  margin: 0.65rem 0 0;
  padding-left: 1rem;
}

.part-card li {
  color: var(--muted);
  font-size: 0.92rem;
  margin-bottom: 0.24rem;
}

.parts-empty {
  padding: 1.2rem;
  border: 1px dashed var(--line);
  border-radius: 12px;
  color: var(--muted);
  background: color-mix(in srgb, var(--surface) 76%, white);
}

.guide-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 1.2rem;
}

.toc {
  position: sticky;
  top: 88px;
  align-self: start;
}

.toc .surface {
  padding: 0.95rem;
}

.toc a {
  display: block;
  text-decoration: none;
  color: var(--muted);
  font-size: 0.88rem;
  padding: 0.32rem 0.5rem;
  border-left: 2px solid transparent;
}

.toc a:hover,
.toc a:focus-visible,
.toc a.active {
  color: var(--accent);
  border-left-color: var(--accent);
  outline: none;
}

.progress {
  height: 5px;
  border-radius: 999px;
  background: var(--surface-2);
  overflow: hidden;
  margin: 0.6rem 0 1rem;
}

.progress span {
  display: block;
  height: 100%;
  width: 0;
  background: var(--accent);
  transition: width 0.2s linear;
}

.guide-stage {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
  margin-bottom: 1rem;
}

.guide-stage details[open] {
  box-shadow: var(--shadow-sm);
}

.guide-stage summary {
  cursor: pointer;
  list-style: none;
  padding: 1rem;
  font-weight: 700;
}

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

.guide-stage .body {
  border-top: 1px solid var(--line);
  padding: 0.95rem 1rem 1.1rem;
}

.callout {
  border-left: 3px solid var(--accent);
  background: color-mix(in srgb, var(--accent) 7%, var(--surface));
  padding: 0.7rem 0.8rem;
  border-radius: 0 10px 10px 0;
  color: var(--text);
  margin: 0.8rem 0;
}

.callout.warning {
  border-left-color: var(--danger);
  background: color-mix(in srgb, var(--danger) 8%, var(--surface));
}

.code-wrap {
  position: relative;
  margin: 0.9rem 0;
}

.code-wrap pre {
  margin: 0;
  overflow: auto;
  border-radius: 12px;
  border: 1px solid #3a342d;
  background: #1f1b16;
  color: #f9efe6;
  padding: 0.9rem;
  font-size: 0.84rem;
}

.copy-code {
  position: absolute;
  right: 0.45rem;
  top: 0.45rem;
  border: 1px solid #51473a;
  background: #2a241e;
  color: #f9efe6;
  border-radius: 999px;
  padding: 0.2rem 0.55rem;
  cursor: pointer;
  font-size: 0.73rem;
}

.copy-code:hover,
.copy-code:focus-visible {
  border-color: #8d6e57;
  color: #fff;
  outline: none;
}

.schematic {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
  padding: 0.6rem;
  margin: 0.9rem 0;
}

.table-wrap {
  overflow: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  text-align: left;
  border: 1px solid var(--line);
  padding: 0.55rem;
  vertical-align: top;
}

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

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.9rem;
}

.gallery-item {
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  background: var(--surface);
}

.gallery-item img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}

.gallery-item figcaption {
  padding: 0.72rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.faq-item {
  border: 1px solid var(--line);
  border-radius: 12px;
  margin-bottom: 0.75rem;
  background: var(--surface);
}

.faq-item summary {
  padding: 0.75rem 0.85rem;
  cursor: pointer;
  list-style: none;
  font-weight: 700;
}

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

.faq-item p {
  padding: 0 0.85rem 0.85rem;
  margin: 0;
}

form {
  display: grid;
  gap: 0.75rem;
}

label {
  font-size: 0.9rem;
  font-weight: 500;
}

input,
textarea,
select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  font: inherit;
  padding: 0.7rem 0.8rem;
  color: var(--text);
}

textarea {
  min-height: 130px;
  resize: vertical;
}

input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--accent) 45%, transparent);
  outline-offset: 1px;
}

.state {
  display: none;
  border: 1px solid var(--line);
  border-left: 3px solid var(--ok);
  background: color-mix(in srgb, var(--ok) 8%, var(--surface));
  border-radius: 10px;
  padding: 0.7rem;
  color: var(--text);
  font-size: 0.9rem;
}

.state.error {
  border-left-color: var(--danger);
  background: color-mix(in srgb, var(--danger) 9%, var(--surface));
}

.state.show {
  display: block;
}

footer {
  border-top: 1px solid var(--line);
  margin-top: 3rem;
  padding: 1.35rem 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem;
  align-items: center;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.footer-links a {
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0.3rem 0.55rem;
}

.footer-links a:hover,
.footer-links a:focus-visible {
  border-color: var(--line);
  color: var(--accent);
  outline: none;
}

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: transform 0.55s ease, opacity 0.55s ease;
}

.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

.error-page {
  min-height: 70vh;
  display: grid;
  place-items: center;
  text-align: center;
}

@media (max-width: 1080px) {
  .nav {
    position: fixed;
    left: 0;
    right: 0;
    top: 76px;
    background: color-mix(in srgb, var(--bg) 96%, transparent);
    border-bottom: 1px solid var(--line);
    padding: 0.85rem 4vw;
    transform: translateY(-110%);
    transition: transform 0.25s ease;
    z-index: 80;
  }

  .nav.open {
    transform: translateY(0);
  }

  .mobile-toggle {
    display: inline-flex;
  }

  .hero,
  .editorial,
  .guide-layout,
  .grid-3,
  .grid-4,
  .grid-2,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .toc {
    position: static;
  }

  .sticky-filter {
    top: 76px;
  }
}

@media (max-width: 680px) {
  main { padding-top: 1.2rem; }
  .search-row { grid-template-columns: 1fr; }
  h1 { max-width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}