/* Forge-rail layout — Laocoon-inspired copper/sapphire industrial system */
:root {
  --page: #050505;
  --surface: #121110;
  --surface-alt: #1a1816;
  --text: #f2ebe0;
  --muted: #8a8680;
  --accent: #b87333;
  --accent-alt: #2a5080;
  --accent-glow: color-mix(in srgb, var(--accent) 35%, transparent);
  --line: color-mix(in srgb, var(--text) 14%, transparent);
  --radius: 2px;
  --rail-width: clamp(220px, 16vw, 300px);
  --section-space: clamp(4rem, 6vw, 6.5rem);
  --content-max: min(1480px, 100%);
  --font-display: Georgia, "Times New Roman", serif;
  --font-body: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  margin: 0;
  min-width: 0;
  overflow-x: hidden;
  line-height: 1.65;
  font-family: var(--font-body);
  background: var(--page);
  color: var(--text);
}

body,
button,
input,
select,
textarea {
  font: inherit;
}

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

img,
svg,
video,
canvas,
iframe {
  display: block;
  max-width: 100%;
  height: auto;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  letter-spacing: -0.03em;
  font-weight: 700;
}

h1 {
  font-size: clamp(2.4rem, 4.8vw, 4.75rem);
  line-height: 1.02;
  margin-bottom: 1.25rem;
}

h2 {
  font-size: clamp(1.85rem, 3.2vw, 3.25rem);
  line-height: 1.08;
  margin-bottom: 0.85rem;
}

h3 {
  font-size: clamp(1.1rem, 1.6vw, 1.35rem);
  line-height: 1.2;
}

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

/* Shell: side rail + balanced canvas */
.page-shell {
  display: grid;
  grid-template-columns: var(--rail-width) minmax(0, 1fr);
  min-height: 100vh;
  max-width: 2160px;
  margin: 0 auto;
}

.side-rail {
  position: sticky;
  top: 0;
  align-self: start;
  z-index: 40;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  min-height: 100vh;
  padding: 1.5rem 1.25rem 2rem;
  background: color-mix(in srgb, var(--surface) 92%, var(--page));
  border-right: 1px solid var(--line);
}

.rail-brand-row,
.rail-nav-row,
.rail-cta-row {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  min-width: 0;
}

.rail-brand-row {
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: grid;
  grid-template-columns: min(64px, 100%) 1fr;
  align-items: center;
  gap: 0.75rem;
  font-weight: 800;
  font-size: 1rem;
  min-width: 0;
}

.brand-logo {
  display: block;
  width: min(64px, 100%);
  height: min(64px, 100%);
  max-width: 64px;
  max-height: 64px;
  border-radius: 12px;
  object-fit: contain;
  overflow: hidden;
  flex: 0 0 auto;
}

.brand-logo svg {
  width: 100%;
  height: 100%;
}

.brand small {
  display: block;
  font-size: 0.68rem;
  font-weight: 500;
  color: var(--muted);
  overflow-wrap: anywhere;
}

.side-rail nav {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  min-width: 0;
}

.side-rail nav a {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 0.55rem 0.65rem;
  border-left: 2px solid transparent;
  border-radius: 0 var(--radius) var(--radius) 0;
  overflow-wrap: anywhere;
}

.side-rail nav a:hover {
  color: var(--text);
  border-left-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 8%, transparent);
}

.header-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.78rem 1.15rem;
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  font-weight: 800;
  font-size: 0.82rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  white-space: nowrap;
}

.rail-cta-row .header-cta {
  width: 100%;
  text-align: center;
}

.header-cta,
.button-primary {
  background: linear-gradient(135deg, var(--accent), color-mix(in srgb, var(--accent) 70%, #d4956a));
  color: #0a0806;
}

.button-secondary {
  background: transparent;
  border-color: var(--line);
  color: var(--text);
}

.page-canvas {
  min-width: 0;
  background:
    radial-gradient(ellipse 80% 50% at 85% 8%, color-mix(in srgb, var(--accent-alt) 18%, transparent), transparent 55%),
    radial-gradient(circle at 12% 88%, color-mix(in srgb, var(--accent) 12%, transparent), transparent 42%),
    var(--page);
}

.main-flow {
  width: min(var(--content-max), calc(100% - clamp(1.5rem, 4vw, 4rem)));
  margin: 0 auto;
}

/* Hero — laocoon-inspired split stage */
.forge-hero {
  padding: clamp(2.5rem, 5vw, 4.5rem) 0 var(--section-space);
}

.hero-stage {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: clamp(1.75rem, 4vw, 3.5rem);
  align-items: end;
}

.hero-copy-block {
  min-width: 0;
  padding-bottom: 0.5rem;
  border-left: 3px solid var(--accent);
  padding-left: clamp(1rem, 2vw, 1.75rem);
}

.eyebrow,
.section-kicker {
  display: block;
  font-family: var(--font-body);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 1rem;
}

.lead {
  font-size: clamp(1.02rem, 1.5vw, 1.22rem);
  max-width: 52ch;
  color: color-mix(in srgb, var(--text) 88%, var(--muted));
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.75rem 0 1rem;
}

.geo-line {
  font-size: 0.8rem;
  color: var(--muted);
  letter-spacing: 0.06em;
}

.hero-media-block {
  min-width: 0;
}

.hero-visual {
  overflow: hidden;
  width: 100%;
  aspect-ratio: 3 / 2;
  border-radius: var(--radius);
  border: 1px solid color-mix(in srgb, var(--accent) 28%, var(--line));
  background: var(--surface);
  box-shadow: 0 24px 64px color-mix(in srgb, var(--accent) 14%, transparent);
}

.hero-visual svg {
  width: 100%;
  height: 100%;
}

/* Sections */
.section {
  padding: var(--section-space) 0;
}

.section:nth-of-type(even) {
  background: color-mix(in srgb, var(--surface) 55%, transparent);
  margin-inline: calc(-1 * clamp(0.75rem, 2vw, 1.5rem));
  padding-inline: clamp(0.75rem, 2vw, 1.5rem);
  border-block: 1px solid var(--line);
}

.section-inner {
  width: 100%;
  max-width: 100%;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 2.25rem;
}

.section-heading > p {
  font-size: 1.02rem;
}

/* Process — horizontal timeline rail */
.process-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.85rem;
  counter-reset: step;
}

.process-list li {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  padding: 1.25rem 1rem 1.35rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-top: 3px solid var(--accent);
  border-radius: var(--radius);
  position: relative;
}

.process-list li::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: var(--accent);
}

.step-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  color: var(--accent);
  border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  border-radius: 10px;
}

.step-icon svg {
  width: 26px;
  height: 26px;
}

/* Cards — bento mosaic */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 0.85rem;
}

.card {
  min-width: 0;
  padding: 1.35rem 1.25rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  grid-column: span 4;
}

.card:nth-child(3n + 2) {
  border-top-color: color-mix(in srgb, var(--accent-alt) 55%, var(--line));
}

.card:nth-child(6n) {
  grid-column: span 6;
}

.card p {
  margin-bottom: 0;
}

.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  margin-bottom: 0.85rem;
  color: var(--accent);
  border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
  background: color-mix(in srgb, var(--accent) 8%, transparent);
  border-radius: 10px;
}

.card-icon svg {
  width: 26px;
  height: 26px;
}

.card-label {
  display: block;
  color: var(--accent);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  margin-bottom: 0.55rem;
}

.card-value {
  display: block;
  margin-top: 0.85rem;
  color: var(--accent-alt);
  font-size: 1.05rem;
  font-weight: 700;
}

.card small {
  display: block;
  color: var(--muted);
  margin-top: 0.35rem;
  font-size: 0.82rem;
}

/* Geography chips */
.geo-chips {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.geo-chip {
  padding: 1.35rem 1.4rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent-alt);
  border-radius: var(--radius);
}

.geo-chip strong,
.geo-chip span {
  display: block;
}

.geo-chip strong {
  color: var(--text);
  margin-bottom: 0.5rem;
}

.geo-chip span {
  color: var(--muted);
  font-size: 0.92rem;
}

/* Guide — chapter stack */
.guide-body {
  display: grid;
  gap: 1rem;
}

.chapter {
  padding: 1.35rem 1.25rem;
  background: var(--surface-alt);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.chapter li {
  color: var(--muted);
  margin: 0.45rem 0;
}

/* FAQ */
.faq-list {
  max-width: 920px;
  display: grid;
  gap: 0;
}

.faq-list details {
  border-bottom: 1px solid var(--line);
  padding: 1rem 0;
}

.faq-list summary {
  cursor: pointer;
  font-weight: 800;
  color: var(--text);
  list-style: none;
}

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

.faq-list p {
  padding-right: 1.5rem;
  margin-top: 0.65rem;
}

/* Contact */
.contact-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 420px);
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
  padding: clamp(1.5rem, 3vw, 2.25rem);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.contact-form {
  display: grid;
  gap: 0.85rem;
  background: var(--surface-alt);
  padding: 1.25rem;
  border-radius: var(--radius);
  border: 1px solid var(--line);
}

.contact-form label {
  display: grid;
  gap: 0.35rem;
  color: var(--muted);
  font-size: 0.82rem;
}

input,
select,
textarea {
  width: 100%;
  min-width: 0;
  border: 1px solid var(--line);
  background: var(--page);
  color: var(--text);
  padding: 0.8rem 0.85rem;
  border-radius: var(--radius);
}

textarea {
  min-height: 110px;
  resize: vertical;
}

.form-message {
  color: var(--accent);
  margin: 0;
  font-size: 0.88rem;
}

/* Footer */
.site-footer {
  padding: 3.5rem 0 4rem;
  margin-top: var(--section-space);
  border-top: 1px solid var(--line);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 0.8fr 1fr;
  gap: 2rem;
}

.footer-brand {
  font-size: 1.35rem;
  color: var(--text);
}

.site-footer a {
  display: block;
  color: var(--muted);
  margin: 0.35rem 0;
}

/* Ambient motion — min 10s loops */
@media (prefers-reduced-motion: no-preference) {
  .hero-visual {
    animation: forgeFloat 12s ease-in-out infinite;
  }

  .card:hover {
    transform: translateY(-4px);
    transition: transform 0.35s ease, border-color 0.35s ease;
  }

  .card {
    transition: transform 0.35s ease, border-color 0.35s ease;
  }
}

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

/* Tablet */
@media (max-width: 1100px) {
  .page-shell {
    grid-template-columns: 1fr;
  }

  .side-rail {
    position: relative;
    min-height: auto;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.85rem 1rem;
    border-right: none;
    border-bottom: 1px solid var(--line);
  }

  .rail-brand-row,
  .rail-nav-row,
  .rail-cta-row {
    flex-direction: row;
    align-items: center;
    padding: 0;
    border: none;
  }

  .rail-brand-row {
    flex: 1 1 auto;
    min-width: 0;
  }

  .brand {
    grid-template-columns: 48px 1fr;
  }

  .brand-logo {
    max-width: 48px;
    max-height: 48px;
  }

  .side-rail nav {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0.25rem;
  }

  .side-rail nav a {
    border-left: none;
    border-bottom: 2px solid transparent;
    padding: 0.4rem 0.55rem;
    font-size: 0.72rem;
  }

  .rail-cta-row .header-cta {
    width: auto;
    padding: 0.6rem 0.85rem;
  }

  .hero-stage {
    grid-template-columns: 1fr;
    align-items: start;
  }

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

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

  .card,
  .card:nth-child(6n) {
    grid-column: auto;
  }

  .contact-shell {
    grid-template-columns: 1fr;
  }

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

/* Mobile */
@media (max-width: 640px) {
  .main-flow {
    width: calc(100% - 1.5rem);
  }

  .side-rail {
    flex-direction: column;
    align-items: stretch;
  }

  .rail-nav-row {
    order: 3;
    width: 100%;
  }

  .side-rail nav {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .rail-cta-row {
    width: 100%;
  }

  .rail-cta-row .header-cta {
    width: 100%;
  }

  h1 {
    font-size: clamp(2rem, 11vw, 2.85rem);
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .button {
    width: 100%;
  }

  .process-list,
  .cards-grid,
  .geo-chips,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .section:nth-of-type(even) {
    margin-inline: -0.75rem;
    padding-inline: 0.75rem;
  }
}

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

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}