/* evolve-inspired industrial rail layout — overflow-safe */
:root {
  --page: #ecf4f3;
  --surface: #fcf1f3;
  --text: #1e3023;
  --muted: #6c7a72;
  --accent: #768d6d;
  --accent-alt: #926445;
  --surface-text: #1e3023;
  --surface-muted: #727972;
  --radius: 7px;
  --section-space: clamp(3rem, 6vw, 4.5rem);
  --rail-width: clamp(11rem, 16vw, 15rem);
  --page-max: min(100%, 2160px);
  --content-max: min(100%, 1280px);
  --gutter: clamp(1rem, 2.5vw, 2rem);
  --font-display: "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-body: "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-mono: ui-monospace, "Cascadia Mono", "Segoe UI Mono", monospace;
}

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

html {
  scroll-behavior: smooth;
  overflow-x: clip;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-width: 0;
  max-width: 100%;
  overflow-x: clip;
  line-height: 1.6;
  font-family: var(--font-body);
  background: var(--page);
  color: var(--text);
  background-image:
    linear-gradient(color-mix(in srgb, var(--accent) 8%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--accent) 8%, transparent) 1px, transparent 1px);
  background-size: 42px 42px;
}

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

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

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

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

h1,
h2,
h3 {
  font-family: var(--font-display);
  letter-spacing: -0.04em;
}

h1 {
  font-size: clamp(1.85rem, 3.8vw, 3.25rem);
  line-height: 1.02;
  margin-bottom: 1.25rem;
}

h2 {
  font-size: clamp(1.45rem, 2.8vw, 2.35rem);
  line-height: 1.08;
  margin-bottom: 0.85rem;
}

h3 {
  font-size: clamp(1.05rem, 1.6vw, 1.3rem);
  line-height: 1.2;
}

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

.page-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  width: min(var(--page-max), 100%);
  max-width: 100%;
  margin: 0 auto;
  min-height: 100vh;
}

.site-rail {
  position: sticky;
  top: 0;
  z-index: 40;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  overflow: hidden;
  background: color-mix(in srgb, var(--page) 92%, transparent);
  border-bottom: 1px solid color-mix(in srgb, var(--accent) 34%, transparent);
  backdrop-filter: blur(12px);
}

.page-main {
  min-width: 0;
  max-width: 100%;
  overflow-x: clip;
}

.page-content {
  min-width: 0;
  max-width: 100%;
}

.site-header {
  position: static;
  width: 100%;
  max-width: 100%;
}

.header-inner {
  width: min(var(--content-max), calc(100% - var(--gutter) * 2));
  max-width: 100%;
  margin: 0 auto;
  min-height: 4rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem 0.85rem;
  min-width: 0;
  padding: 0.65rem 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 800;
  font-size: clamp(0.95rem, 2vw, 1.05rem);
  min-width: 0;
  flex: 1 1 10rem;
}

.brand-logo {
  display: block;
  width: clamp(2.25rem, 5vw, 3rem);
  height: clamp(2.25rem, 5vw, 3rem);
  max-width: 64px;
  max-height: 64px;
  border-radius: 8px;
  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;
}

.site-header nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem;
  min-width: 0;
  flex: 1 1 100%;
}

.site-header nav a {
  font-size: 0.74rem;
  color: var(--muted);
  padding: 0.45rem 0.65rem;
  border: 1px solid color-mix(in srgb, var(--text) 13%, transparent);
  border-radius: 999px;
  background: color-mix(in srgb, var(--surface) 70%, transparent);
  white-space: normal;
  word-break: break-word;
  max-width: 100%;
}

.site-header nav a:hover {
  color: var(--text);
  border-color: var(--accent);
}

.header-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.72rem 1rem;
  border: 1px solid var(--accent);
  border-radius: 3px;
  font-weight: 700;
  max-width: 100%;
  text-align: center;
  white-space: normal;
}

.header-cta {
  flex: 0 1 auto;
  margin-left: auto;
}

.header-cta,
.button-primary {
  background: linear-gradient(135deg, var(--accent), color-mix(in srgb, var(--accent) 68%, var(--accent-alt)));
  color: #000;
}

.button-secondary {
  border-color: color-mix(in srgb, var(--text) 25%, transparent);
  background: transparent;
}

.section-inner {
  width: min(var(--content-max), calc(100% - var(--gutter) * 2));
  max-width: 100%;
  margin: 0 auto;
  min-width: 0;
}

.hero {
  padding: clamp(2rem, 5vw, 3.5rem) 0 var(--section-space);
  background:
    radial-gradient(circle at 88% 12%, color-mix(in srgb, var(--accent) 18%, transparent), transparent 38%),
    linear-gradient(155deg, var(--page), color-mix(in srgb, var(--surface) 84%, var(--page)));
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
  min-width: 0;
}

.hero-copy {
  min-width: 0;
}

.eyebrow,
.section-kicker {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-weight: 800;
  margin-bottom: 0.85rem;
  color: var(--accent);
}

.lead {
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  max-width: 52ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin: 1.5rem 0;
}

.geo-line {
  font-size: 0.82rem;
  color: var(--muted);
}

.hero-visual {
  overflow: hidden;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  min-height: clamp(12rem, 38vw, 22rem);
  aspect-ratio: 3 / 2;
  justify-self: stretch;
  background: color-mix(in srgb, var(--surface) 88%, var(--accent));
  border: 2px dashed color-mix(in srgb, var(--accent) 42%, transparent);
  border-radius: var(--radius);
  box-shadow: 0 16px 40px color-mix(in srgb, var(--accent) 16%, transparent);
}

.hero-visual img,
.hero-visual > svg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: inherit;
}

.section {
  padding: var(--section-space) 0;
  min-width: 0;
}

.section-heading {
  max-width: min(52rem, 100%);
  margin-bottom: 2rem;
}

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

.fact-disclaimer {
  font-size: 0.78rem !important;
  padding: 0.65rem 0.8rem;
  border-left: 3px solid var(--accent);
  background: color-mix(in srgb, var(--accent) 9%, transparent);
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 16rem), 1fr));
  gap: 0.85rem;
  min-width: 0;
}

.card {
  min-width: 0;
  padding: 1.25rem;
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--surface-text);
  border: 2px dashed color-mix(in srgb, var(--text) 14%, transparent);
  border-left: 5px solid var(--accent);
}

.card p {
  margin-bottom: 0;
  color: var(--surface-muted);
}

.card h3,
.card strong {
  color: var(--surface-text);
}

.card-icon,
.step-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  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;
  flex-shrink: 0;
}

.card-icon svg,
.step-icon svg {
  width: 1.65rem;
  height: 1.65rem;
  overflow: visible;
}

.icon-draw path {
  stroke-dasharray: 34 8;
  animation: iconDraw 12s linear infinite;
}

.icon-pulse {
  transform-box: fill-box;
  transform-origin: center;
  animation: iconPulse 12s ease-in-out infinite;
}

.icon-slide {
  animation: iconSlide 12s ease-in-out infinite;
}

.icon-spin {
  transform-box: fill-box;
  transform-origin: center;
  animation: iconSpin 12s linear infinite;
}

@keyframes iconDraw {
  to {
    stroke-dashoffset: -84;
  }
}

@keyframes iconPulse {
  50% {
    transform: scale(0.88);
    opacity: 0.72;
  }
}

@keyframes iconSlide {
  50% {
    transform: translateX(3px);
  }
}

@keyframes iconSpin {
  to {
    transform: rotate(360deg);
  }
}

.card-label {
  display: block;
  color: var(--accent);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 0.55rem;
}

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

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

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 11rem), 1fr));
  gap: 0.85rem;
  min-width: 0;
}

.stat {
  padding: 1.1rem;
  border-top: 2px solid var(--accent);
  min-width: 0;
}

.stat strong {
  display: block;
  font-size: clamp(1.5rem, 3vw, 2rem);
}

.stat span {
  font-weight: 700;
}

.stat p {
  font-size: 0.82rem;
  margin: 0.35rem 0 0;
}

.process-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 14rem), 1fr));
  gap: 0.85rem;
  min-width: 0;
}

.process-list li {
  min-width: 0;
  display: flex;
  gap: 0.85rem;
  padding: 1.1rem;
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid color-mix(in srgb, var(--text) 12%, transparent);
}

.step-icon {
  margin-bottom: 0;
}

.geo-chips {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 14rem), 1fr));
  gap: 0.75rem;
  min-width: 0;
}

.geo-chip {
  padding: 0.95rem 1rem;
  border: 1px dashed color-mix(in srgb, var(--text) 15%, transparent);
  border-radius: var(--radius);
  min-width: 0;
}

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

.geo-chip span {
  color: var(--muted);
  font-size: 0.85rem;
}

.guide-body {
  min-width: 0;
  display: grid;
  gap: 1.25rem;
}

.chapter {
  min-width: 0;
  padding: 1rem 0;
  border-top: 1px solid color-mix(in srgb, var(--text) 12%, transparent);
}

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

.faq-list {
  max-width: min(56rem, 100%);
}

.faq-list details {
  border-bottom: 1px solid color-mix(in srgb, var(--text) 18%, transparent);
  padding: 0.85rem 0;
}

.faq-list summary {
  cursor: pointer;
  font-weight: 800;
  padding-right: 0.5rem;
}

.faq-list p {
  padding-right: 0.5rem;
}

.contact-grid,
.calculator-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 2.5rem);
  align-items: start;
  min-width: 0;
}

.contact-form,
.calculator-form {
  display: grid;
  gap: 0.85rem;
  background: var(--surface);
  padding: 1.25rem;
  border-radius: var(--radius);
  min-width: 0;
}

.contact-form label,
.calculator-form label {
  display: grid;
  gap: 0.3rem;
  color: var(--muted);
  font-size: 0.82rem;
  min-width: 0;
}

input,
select,
textarea {
  width: 100%;
  min-width: 0;
  max-width: 100%;
  border: 1px solid color-mix(in srgb, var(--text) 20%, transparent);
  background: var(--page);
  color: var(--text);
  padding: 0.75rem;
  border-radius: calc(var(--radius) * 0.6);
}

textarea {
  min-height: 7rem;
  resize: vertical;
}

output {
  font-size: 1.05rem;
  color: var(--accent);
  font-weight: 800;
  overflow-wrap: anywhere;
}

.form-message {
  color: var(--accent);
  margin: 0;
}

.component-calculator .section-inner {
  background: color-mix(in srgb, var(--accent-alt) 88%, #1e3023);
  color: #fff;
  padding: clamp(1.25rem, 4vw, 2.5rem);
  border-radius: calc(var(--radius) + 8px);
}

.component-calculator p {
  color: color-mix(in srgb, #fff 82%, transparent);
}

.component-calculator .calculator-form {
  background: color-mix(in srgb, var(--accent-alt) 70%, #000);
}

.site-footer {
  padding: clamp(2rem, 5vw, 3.5rem) 0;
  background: color-mix(in srgb, var(--surface) 80%, var(--page));
  border-top: 1px solid color-mix(in srgb, var(--text) 15%, transparent);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 14rem), 1fr));
  gap: 1.5rem;
  min-width: 0;
}

.footer-brand {
  font-size: clamp(1.15rem, 2.5vw, 1.45rem);
}

.site-footer a {
  display: block;
  color: var(--muted);
  margin: 0.3rem 0;
  overflow-wrap: anywhere;
}

@media (min-width: 900px) {
  .page-shell {
    grid-template-columns: var(--rail-width) minmax(0, 1fr);
    align-items: start;
  }

  .site-rail {
    position: sticky;
    top: 0;
    height: 100vh;
    max-height: 100vh;
    border-bottom: none;
    border-right: 1px solid color-mix(in srgb, var(--accent) 34%, transparent);
    display: flex;
    flex-direction: column;
  }

  .site-header,
  .header-inner {
    height: 100%;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    padding: 1.25rem 0.85rem;
    width: 100%;
    gap: 1.25rem;
  }

  .brand {
    flex: 0 0 auto;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
  }

  .site-header nav {
    flex: 1 1 auto;
    flex-direction: column;
    align-items: stretch;
    margin-left: 0;
    overflow: auto;
    min-height: 0;
  }

  .site-header nav a {
    border-radius: var(--radius);
    width: 100%;
  }

  .header-cta {
    margin-left: 0;
    width: 100%;
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  }

  .contact-grid,
  .calculator-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }
}

@media (min-width: 1200px) {
  :root {
    --content-max: min(100%, 1180px);
  }

  .page-shell {
    grid-template-columns: clamp(12rem, 14vw, 15rem) minmax(0, 1fr);
  }
}

@media (min-width: 1440px) {
  .hero-grid {
    gap: clamp(2rem, 4vw, 4rem);
  }

  .section-inner {
    width: min(calc(var(--content-max) + 2rem), calc(100% - var(--gutter) * 2));
  }
}

@media (max-width: 899px) {
  .site-rail {
    position: sticky;
  }

  .site-header nav {
    order: 3;
  }

  .header-cta {
    order: 2;
  }
}

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

  .icon-draw path,
  .icon-pulse,
  .icon-slide,
  .icon-spin,
  .card-icon,
  .step-icon,
  .brand-logo,
  .hero-visual {
    animation: none !important;
    transition: none !important;
  }
}