/* Kinetic Industrial — Cycling Coordination Platform */

:root {
  --color-base: #242A2E;
  --color-base-light: #2E363B;
  --color-surface: #1A1F23;
  --color-text: #ECEFF1;
  --color-text-muted: #9EAAB0;
  --color-accent: #FFD54F;
  --color-accent-dim: #C9A832;
  --color-border: #3D4A52;
  --color-overlay: rgba(26, 31, 35, 0.82);
  --font-primary: 'DM Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 5rem;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
  --transition-fast: 0.25s ease;
  --transition-mid: 0.4s ease;
  --max-width: 72rem;
  --header-height: 4.5rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 100%;
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: var(--font-primary);
  background-color: var(--color-base);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-text);
}

ul {
  list-style: none;
}

h1, h2, h3, h4 {
  line-height: 1.25;
  font-weight: 600;
}

h1 { font-size: clamp(1.75rem, 4vw, 2.75rem); }
h2 { font-size: clamp(1.375rem, 3vw, 2rem); }
h3 { font-size: clamp(1.125rem, 2.5vw, 1.5rem); }

p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

p:last-child {
  margin-bottom: 0;
}

/* Blueprint label */
.tech-label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

/* Elevation divider */
.elevation-divider {
  width: 100%;
  height: 3rem;
  margin: var(--space-lg) 0;
  opacity: 0.5;
}

.elevation-divider svg {
  width: 100%;
  height: 100%;
}

/* ========== HEADER ========== */
.site-header {
  position: relative;
  z-index: 100;
  width: 100%;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-md) var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  min-height: var(--header-height);
}

.brand-text {
  font-family: var(--font-mono);
  font-size: clamp(0.875rem, 2vw, 1.125rem);
  font-weight: 500;
  color: var(--color-text);
  letter-spacing: -0.02em;
  flex-shrink: 0;
}

.brand-text span {
  color: var(--color-accent);
}

.nav-desktop {
  display: none;
  align-items: center;
  gap: var(--space-lg);
}

.nav-desktop a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: var(--space-xs) 0;
  border-bottom: 2px solid transparent;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.nav-desktop a:hover,
.nav-desktop a.is-active {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

.burger-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 2.75rem;
  height: 2.75rem;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  flex-shrink: 0;
  transition: border-color var(--transition-fast), background var(--transition-fast);
}

.burger-toggle:hover {
  border-color: var(--color-accent);
  background: var(--color-base-light);
}

.burger-line {
  display: block;
  width: 1.25rem;
  height: 2px;
  background: var(--color-text);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.burger-toggle.is-open .burger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.burger-toggle.is-open .burger-line:nth-child(2) {
  opacity: 0;
}

.burger-toggle.is-open .burger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (min-width: 1024px) {
  .nav-desktop {
    display: flex;
  }

  .burger-toggle {
    display: none;
  }
}

/* Mobile nav overlay — separate from header */
.nav-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: var(--color-overlay);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  align-items: flex-start;
  justify-content: flex-end;
  padding: var(--space-lg);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-mid), visibility var(--transition-mid);
}

.nav-overlay.is-visible {
  opacity: 1;
  visibility: visible;
}

.nav-panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-xl) var(--space-lg);
  width: min(20rem, 90vw);
  transform: translateX(100%);
  transition: transform var(--transition-mid);
}

.nav-overlay.is-visible .nav-panel {
  transform: translateX(0);
}

.nav-panel-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.nav-panel-list a {
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text);
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-border);
  display: block;
}

.nav-panel-list a:hover {
  color: var(--color-accent);
}

.nav-close {
  position: absolute;
  top: var(--space-lg);
  right: calc(var(--space-lg) + min(20rem, 90vw) + var(--space-md));
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text);
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

@media (max-width: 480px) {
  .nav-close {
    right: var(--space-lg);
    top: calc(var(--space-lg) + min(20rem, 90vw) + var(--space-md));
  }
}

/* ========== MAIN ========== */
main {
  flex: 1;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.container-narrow {
  max-width: 48rem;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* ========== FULL-WIDTH BANNER ========== */
.banner-full {
  position: relative;
  width: 100vw;
  margin-left: calc(50% - 50vw);
  min-height: clamp(18rem, 45vh, 32rem);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.banner-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.banner-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.35;
}

.banner-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(26, 31, 35, 0.92) 0%,
    rgba(36, 42, 46, 0.75) 50%,
    rgba(26, 31, 35, 0.88) 100%
  );
}

.banner-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: var(--space-xl) var(--space-lg);
  max-width: 42rem;
}

.banner-content h1 {
  margin-bottom: var(--space-md);
}

.banner-content p {
  font-size: clamp(0.9375rem, 2vw, 1.125rem);
  color: var(--color-text-muted);
}

/* ========== SECTIONS ========== */
.section-block {
  padding: var(--space-2xl) 0;
}

.section-block-alt {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-xl);
  max-width: 40rem;
  margin-left: auto;
  margin-right: auto;
}

.section-header h2 {
  margin-bottom: var(--space-md);
}

/* Grid layouts */
.grid-two {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  align-items: center;
}

.grid-three {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

@media (min-width: 640px) {
  .grid-two {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (min-width: 900px) {
  .grid-three {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Blueprint card */
.blueprint-card {
  background: var(--color-base-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  position: relative;
  transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.blueprint-card:hover {
  border-color: var(--color-accent-dim);
  transform: translateY(-2px);
}

.blueprint-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: var(--color-accent);
  border-radius: var(--radius-sm) 0 0 var(--radius-sm);
}

.card-image-wrap {
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-bottom: var(--space-md);
  border: 1px solid var(--color-border);
  aspect-ratio: 16 / 10;
}

.card-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card-image-sm {
  aspect-ratio: 4 / 3;
  max-height: 14rem;
}

.blueprint-card h3 {
  margin-bottom: var(--space-sm);
  color: var(--color-text);
}

/* Stats row */
.stats-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg);
  justify-content: center;
  margin-top: var(--space-xl);
}

.stat-item {
  text-align: center;
  padding: var(--space-md) var(--space-lg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  min-width: 8rem;
  background: var(--color-base-light);
}

.stat-value {
  font-family: var(--font-mono);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-accent);
  display: block;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* Buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  background: var(--color-accent);
  color: var(--color-base);
  font-weight: 600;
  font-size: 0.875rem;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition-fast), transform var(--transition-fast);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.btn-primary:hover {
  background: var(--color-accent-dim);
  color: var(--color-base);
  transform: translateY(-1px);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  background: transparent;
  color: var(--color-accent);
  font-weight: 600;
  font-size: 0.875rem;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.btn-outline:hover {
  background: var(--color-accent);
  color: var(--color-base);
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  justify-content: center;
  margin-top: var(--space-lg);
}

/* ========== DENSITY METER ========== */
.density-meter {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  margin-top: var(--space-lg);
}

.density-bar-wrap {
  margin: var(--space-md) 0;
}

.density-bar-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-xs);
}

.density-bar {
  height: 0.5rem;
  background: var(--color-base);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.density-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-accent-dim), var(--color-accent));
  border-radius: var(--radius-sm);
  transition: width var(--transition-mid);
}

.density-status {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.status-chip {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: var(--space-xs) var(--space-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
}

.status-chip.is-active {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* Trip selector tabs */
.trip-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.trip-tab {
  padding: var(--space-sm) var(--space-md);
  background: var(--color-base);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  font-size: 0.8125rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.trip-tab.is-selected {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: var(--color-base-light);
}

/* ========== PACE TOOL ========== */
.pace-tool {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  max-width: 36rem;
  margin: 0 auto;
}

.form-group {
  margin-bottom: var(--space-md);
}

.form-group label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: var(--space-xs);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  background: var(--color-base);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-family: var(--font-primary);
  font-size: 0.9375rem;
  transition: border-color var(--transition-fast);
}

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

.form-group textarea {
  min-height: 8rem;
  resize: vertical;
}

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.form-checkbox input {
  width: auto;
  margin-top: 0.25rem;
  accent-color: var(--color-accent);
}

.form-checkbox label {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

.pace-result {
  margin-top: var(--space-lg);
  padding: var(--space-lg);
  background: var(--color-base);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  text-align: center;
  display: none;
}

.pace-result.is-visible {
  display: block;
}

.pace-result-value {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

/* ========== ROUTE TABLE ========== */
.route-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
  margin-top: var(--space-lg);
}

.route-table th,
.route-table td {
  padding: var(--space-sm) var(--space-md);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.route-table th {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  background: var(--color-surface);
}

.route-table td {
  color: var(--color-text-muted);
}

.route-table tr:hover td {
  color: var(--color-text);
}

/* ========== PRODUCTS ========== */
.product-card {
  background: var(--color-base-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  text-align: center;
}

.product-image {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-bottom: 1px solid var(--color-border);
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-body {
  padding: var(--space-lg);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-body h3 {
  margin-bottom: var(--space-sm);
}

.product-price {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  color: var(--color-accent);
  margin-top: auto;
  padding-top: var(--space-md);
}

/* ========== CONTACT ========== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}

@media (min-width: 768px) {
  .contact-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.contact-info-block {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
  color: var(--color-text-muted);
  font-size: 0.9375rem;
}

.contact-info-item i {
  color: var(--color-accent);
  margin-top: 0.2rem;
}

.map-wrap {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  margin-top: var(--space-lg);
}

.map-wrap iframe {
  width: 100%;
  height: 16rem;
  border: 0;
  display: block;
}

/* ========== LEGAL PAGES ========== */
.legal-content {
  padding: var(--space-2xl) 0;
}

.legal-content h1 {
  margin-bottom: var(--space-md);
}

.legal-content h2 {
  margin-top: var(--space-xl);
  margin-bottom: var(--space-md);
  font-size: 1.25rem;
}

.legal-content p,
.legal-content li {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  margin-bottom: var(--space-sm);
}

.legal-content ul {
  list-style: disc;
  padding-left: var(--space-lg);
  margin-bottom: var(--space-md);
}

.legal-date {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--color-accent);
  margin-bottom: var(--space-xl);
}

/* ========== THANK YOU / 404 ========== */
.message-page {
  text-align: center;
  padding: var(--space-2xl) var(--space-lg);
  min-height: 50vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.message-icon {
  font-size: 3rem;
  color: var(--color-accent);
  margin-bottom: var(--space-lg);
}

.message-page h1 {
  margin-bottom: var(--space-md);
}

.message-page p {
  max-width: 32rem;
  margin-bottom: var(--space-lg);
}

/* ========== FOOTER ========== */
.site-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: var(--space-xl) 0 var(--space-lg);
  margin-top: auto;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
  text-align: center;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-sm) var(--space-lg);
  margin-bottom: var(--space-lg);
}

.footer-nav a {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

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

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-sm) var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
  margin-bottom: var(--space-md);
}

.footer-legal a {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.footer-meta {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.footer-meta span {
  color: var(--color-accent);
}

/* ========== PRIVACY POPUP ========== */
.consent-popup {
  position: fixed;
  bottom: var(--space-lg);
  left: var(--space-lg);
  right: var(--space-lg);
  z-index: 300;
  max-width: 28rem;
  margin: 0 auto;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  box-shadow: var(--shadow-md);
  transform: translateY(calc(100% + var(--space-lg)));
  transition: transform var(--transition-mid);
}

.consent-popup.is-visible {
  transform: translateY(0);
}

.consent-popup p {
  font-size: 0.8125rem;
  margin-bottom: var(--space-md);
}

.consent-actions {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.consent-actions button {
  flex: 1;
  min-width: 6rem;
  padding: var(--space-sm) var(--space-md);
  font-size: 0.8125rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-weight: 600;
  transition: all var(--transition-fast);
}

.consent-accept {
  background: var(--color-accent);
  color: var(--color-base);
  border: none;
}

.consent-accept:hover {
  background: var(--color-accent-dim);
}

.consent-decline {
  background: transparent;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}

.consent-decline:hover {
  border-color: var(--color-text-muted);
  color: var(--color-text);
}

/* ========== GPX DOWNLOAD ========== */
.gpx-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  padding: var(--space-sm) var(--space-md);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-accent);
  margin-top: var(--space-sm);
}

.gpx-link:hover {
  border-color: var(--color-accent);
}

/* Content lists */
.content-list {
  list-style: disc;
  padding-left: var(--space-lg);
  margin-bottom: var(--space-md);
}

.content-list li {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  margin-bottom: var(--space-sm);
}

/* Text center utility */
.text-center {
  text-align: center;
}

/* Asymmetric layout */
.asymmetric-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

@media (min-width: 768px) {
  .asymmetric-grid {
    grid-template-columns: 1.2fr 0.8fr;
  }
}

@media (min-width: 768px) {
  .asymmetric-grid-reverse {
    grid-template-columns: 0.8fr 1.2fr;
  }
}