/* Stride-inspired layout — forest-cream palette, layered-cards composition */

:root {
  --gl-bg: #f4efe3;
  --gl-bg-alt: #e8e0cf;
  --gl-surface: #faf7f0;
  --gl-surface-raised: #ffffff;
  --gl-ink: #2a3328;
  --gl-ink-muted: #5c6658;
  --gl-ink-subtle: #8a9486;
  --gl-accent: #5a7a52;
  --gl-accent-alt: #c8763c;
  --gl-accent-ink: #faf7f0;
  --gl-line: rgba(42, 51, 40, 0.12);
  --gl-glow: rgba(90, 122, 82, 0.25);
  --gl-font-display: Georgia, "Times New Roman", serif;
  --gl-font-body: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --gl-radius: 6px;
  --gl-radius-lg: 18px;
  --gl-radius-xl: 28px;
  --gl-border: 1px;
  --gl-duration: 0.28s;
  --gl-duration-slow: 0.55s;
  --gl-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --stride-max: 1440px;
  --stride-rail: 240px;
  --hero-max-h-desktop: 55vh;
  --hero-max-h-tablet: 44vh;
  --hero-max-h-mobile: 38vh;
}

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

html {
  scroll-behavior: smooth;
}

body.stride-body {
  margin: 0;
  font-family: var(--gl-font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--gl-ink);
  background: var(--gl-bg);
  -webkit-font-smoothing: antialiased;
}

img,
svg {
  max-width: 100%;
  height: auto;
}

a {
  color: var(--gl-accent);
  text-decoration: none;
  transition: color var(--gl-duration) var(--gl-ease);
}

a:hover {
  color: var(--gl-accent-alt);
}

h1,
h2,
h3 {
  font-family: var(--gl-font-display);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 0.65em;
}

h1 {
  font-size: clamp(1.85rem, 3.2vw, 3rem);
}

h2 {
  font-size: clamp(1.45rem, 2.4vw, 2.15rem);
}

h3 {
  font-size: clamp(1.05rem, 1.6vw, 1.35rem);
}

p {
  margin: 0 0 1em;
}

small {
  color: var(--gl-ink-subtle);
  font-size: 0.82rem;
}

/* Shell: side rail + main canvas */
.stride-shell {
  display: grid;
  grid-template-columns: minmax(220px, var(--stride-rail)) minmax(0, 1fr);
  min-height: 100vh;
  max-width: 2160px;
  margin: 0 auto;
}

.stride-rail {
  position: sticky;
  top: 0;
  align-self: start;
  height: 100vh;
  padding: 1.25rem 1rem 1.25rem 1.5rem;
  background: linear-gradient(180deg, var(--gl-surface) 0%, var(--gl-bg-alt) 100%);
  border-right: var(--gl-border) solid var(--gl-line);
  z-index: 20;
}

.site-header {
  height: 100%;
}

.header-inner.stride-brand-row {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  height: 100%;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--gl-ink);
  font-weight: 700;
  font-size: 1.05rem;
}

.brand-logo {
  display: block;
  width: 48px;
  height: 48px;
  max-width: 64px;
  max-height: 64px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--gl-accent) 0%, #3d5238 100%);
  box-shadow: 0 8px 24px var(--gl-glow);
  flex-shrink: 0;
}

.brand small {
  display: block;
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--gl-ink-subtle);
}

.stride-nav {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.stride-nav a,
.header-cta {
  display: block;
  padding: 0.55rem 0.75rem;
  border-radius: var(--gl-radius);
  color: var(--gl-ink-muted);
  font-size: 0.92rem;
  font-weight: 500;
}

.stride-nav a:hover {
  background: rgba(90, 122, 82, 0.08);
  color: var(--gl-ink);
}

.header-cta {
  margin-top: auto;
  text-align: center;
  background: var(--gl-accent);
  color: var(--gl-accent-ink);
  font-weight: 600;
}

.header-cta:hover {
  background: #4a6844;
  color: var(--gl-accent-ink);
}

.stride-main {
  min-width: 0;
  padding: 1.25rem 1.5rem 2.5rem;
}

.layer-stack {
  display: flex;
  flex-direction: column;
  gap: 1.35rem;
  max-width: var(--stride-max);
  margin: 0 auto;
}

/* Layered cards rhythm */
.layer-section {
  position: relative;
}

.layer-card {
  background: var(--gl-surface-raised);
  border: var(--gl-border) solid var(--gl-line);
  border-radius: var(--gl-radius-xl);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.7) inset,
    0 18px 48px rgba(42, 51, 40, 0.07),
    0 4px 12px rgba(42, 51, 40, 0.04);
  overflow: hidden;
}

.layer-card-offset {
  transform: translateX(clamp(0px, 2vw, 28px));
}

.layer-card-hero {
  background: linear-gradient(145deg, var(--gl-surface) 0%, var(--gl-surface-raised) 55%, var(--gl-bg-alt) 100%);
}

.section-inner {
  padding: clamp(1.25rem, 3vw, 2.5rem);
}

.section-heading {
  max-width: 52rem;
  margin-bottom: 1.5rem;
}

.section-kicker {
  display: inline-block;
  margin-bottom: 0.5rem;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  background: rgba(90, 122, 82, 0.12);
  color: var(--gl-accent);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.eyebrow {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--gl-accent);
  margin-bottom: 0.75rem;
}

.lead {
  font-size: 1.05rem;
  color: var(--gl-ink-muted);
  max-width: 42rem;
}

.geo-line {
  margin-top: 1rem;
  font-size: 0.85rem;
  color: var(--gl-ink-subtle);
}

/* Hero compact data landscape */
.hero-grid.compact-data-landscape {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.95fr);
  gap: clamp(1rem, 2.5vw, 2rem);
  align-items: center;
}

.hero-copy {
  position: relative;
  z-index: 2;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.25rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.72rem 1.15rem;
  border-radius: 999px;
  font-size: 0.92rem;
  font-weight: 600;
  border: var(--gl-border) solid transparent;
  cursor: pointer;
  transition:
    background var(--gl-duration) var(--gl-ease),
    color var(--gl-duration) var(--gl-ease),
    border-color var(--gl-duration) var(--gl-ease),
    transform var(--gl-duration) var(--gl-ease);
}

.button-primary {
  background: var(--gl-accent);
  color: var(--gl-accent-ink);
}

.button-primary:hover {
  background: #4a6844;
  color: var(--gl-accent-ink);
}

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

.button-secondary:hover {
  border-color: var(--gl-accent);
  color: var(--gl-accent);
}

.hero-visual {
  position: relative;
  width: 100%;
  max-height: var(--hero-max-h-desktop);
  aspect-ratio: 16 / 11;
  border-radius: var(--gl-radius-lg);
  overflow: hidden;
  background:
    radial-gradient(ellipse 80% 60% at 30% 40%, rgba(90, 122, 82, 0.18) 0%, transparent 70%),
    radial-gradient(ellipse 60% 50% at 75% 65%, rgba(200, 118, 60, 0.12) 0%, transparent 65%),
    linear-gradient(160deg, #e8e4d8 0%, #f7f4ec 45%, #dde8d6 100%);
  border: var(--gl-border) solid var(--gl-line);
  clip-path: inset(0 round var(--gl-radius-lg));
}

/* Card grids — layered stack within sections */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr));
  gap: 1rem;
}

.card {
  position: relative;
  padding: 1.15rem 1.15rem 1rem;
  background: var(--gl-surface);
  border: var(--gl-border) solid var(--gl-line);
  border-radius: var(--gl-radius-lg);
  box-shadow: 0 10px 28px rgba(42, 51, 40, 0.05);
  transition: transform var(--gl-duration) var(--gl-ease), box-shadow var(--gl-duration) var(--gl-ease);
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 36px rgba(42, 51, 40, 0.09);
}

.card-icon {
  display: inline-flex;
  width: 2rem;
  height: 2rem;
  margin-bottom: 0.65rem;
  border-radius: 8px;
  background: rgba(90, 122, 82, 0.14);
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  color: var(--gl-accent);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.card-icon::before {
  content: "◆";
}

.card-icon[data-icon="shield"]::before { content: "⛨"; }
.card-icon[data-icon="car"]::before { content: "▣"; }
.card-icon[data-icon="tools"]::before { content: "⚙"; }
.card-icon[data-icon="layers"]::before { content: "≡"; }
.card-icon[data-icon="map-pin"]::before { content: "⌖"; }
.card-icon[data-icon="snowflake"]::before { content: "❄"; }
.card-icon[data-icon="airflow"]::before { content: "≈"; }
.card-icon[data-icon="clean"]::before { content: "✦"; }
.card-icon[data-icon="droplets"]::before { content: "◌"; }
.card-icon[data-icon="ruler"]::before { content: "↕"; }

.card-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--gl-accent);
  margin-bottom: 0.35rem;
}

.component-services .cards-grid {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr));
}

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

.chapter {
  padding: 1.15rem 1.25rem;
  background: var(--gl-surface);
  border-left: 3px solid var(--gl-accent);
  border-radius: 0 var(--gl-radius-lg) var(--gl-radius-lg) 0;
}

.chapter ul {
  margin: 0.75rem 0 0;
  padding-left: 1.15rem;
}

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

/* Process steps */
.process-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.85rem;
}

.process-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  padding: 1rem 1.15rem;
  background: var(--gl-surface);
  border-radius: var(--gl-radius-lg);
  border: var(--gl-border) solid var(--gl-line);
}

.step-icon {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background: rgba(90, 122, 82, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gl-accent);
  font-size: 0.75rem;
}

.step-icon::before { content: "●"; }
.step-icon[data-icon="shield"]::before { content: "⛨"; }
.step-icon[data-icon="car"]::before { content: "▣"; }
.step-icon[data-icon="layers"]::before { content: "≡"; }
.step-icon[data-icon="ruler"]::before { content: "↕"; }
.step-icon[data-icon="map-pin"]::before { content: "⌖"; }

/* Geography chips */
.geo-chips {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr));
  gap: 0.85rem;
}

.geo-chip {
  padding: 1rem 1.1rem;
  background: var(--gl-surface);
  border-radius: var(--gl-radius-lg);
  border: var(--gl-border) solid var(--gl-line);
}

.geo-chip strong {
  display: block;
  margin-bottom: 0.35rem;
  font-family: var(--gl-font-display);
}

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

/* Contact split */
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.95fr);
  gap: clamp(1rem, 3vw, 2rem);
  align-items: start;
}

.contact-form {
  display: grid;
  gap: 0.85rem;
}

.contact-form label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--gl-ink-muted);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.7rem 0.85rem;
  border: var(--gl-border) solid var(--gl-line);
  border-radius: var(--gl-radius);
  background: var(--gl-surface-raised);
  color: var(--gl-ink);
  font: inherit;
  transition: border-color var(--gl-duration) var(--gl-ease);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--gl-accent);
}

.contact-form textarea {
  min-height: 5.5rem;
  resize: vertical;
}

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

/* Footer */
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 0.8fr;
  gap: 1.5rem;
}

.footer-brand {
  font-family: var(--gl-font-display);
  font-size: 1.15rem;
}

.footer-grid a {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--gl-ink-muted);
}

.footer-grid a:hover {
  color: var(--gl-accent);
}

/* Tablet */
@media (max-width: 1024px) {
  .stride-shell {
    grid-template-columns: 1fr;
  }

  .stride-rail {
    position: relative;
    height: auto;
    padding: 0.85rem 1rem;
    border-right: none;
    border-bottom: var(--gl-border) solid var(--gl-line);
  }

  .header-inner.stride-brand-row {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem 1rem;
    height: auto;
  }

  .brand-logo {
    width: 40px;
    height: 40px;
  }

  .stride-nav {
    flex-direction: row;
    flex-wrap: wrap;
    order: 3;
    width: 100%;
  }

  .header-cta {
    margin-top: 0;
    margin-left: auto;
    padding: 0.5rem 0.9rem;
  }

  .hero-grid.compact-data-landscape {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    max-height: var(--hero-max-h-tablet);
    max-width: 100%;
  }

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

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

  .layer-card-offset {
    transform: none;
  }
}

/* Mobile */
@media (max-width: 640px) {
  .stride-main {
    padding: 0.85rem 0.85rem 2rem;
  }

  .layer-stack {
    gap: 1rem;
  }

  .section-inner {
    padding: 1rem;
  }

  .hero-visual {
    max-height: var(--hero-max-h-mobile);
    aspect-ratio: 4 / 3;
  }

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

  .button {
    width: 100%;
  }

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

/* Wide desktop balance */
@media (min-width: 1440px) {
  .stride-main {
    padding: 1.5rem 2.5rem 3rem;
  }

  .layer-stack {
    gap: 1.65rem;
  }

  .cards-grid {
    gap: 1.15rem;
  }
}

@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;
  }

  .card:hover {
    transform: none;
  }
}