/* ==========================================================================
   jaclar.net — Swiss International Style + Topographical Millimeter Paper
   ========================================================================== */

:root {
  /* Opt-in to smooth intrinsic size transitions where supported */
  interpolate-size: allow-keywords;

  /* Warm Archival Beige & Cartographic Paper Palette */
  --paper-bg: #f3efe6;
  --paper-elevated: #ebe5d8;
  --paper-card: rgba(248, 245, 238, 0.86);
  --paper-tint: #e3dccb;

  /* Swiss Ink & Hairline System */
  --ink-primary: #161614;
  --ink-secondary: #3d3c37;
  --ink-muted: #66645b;
  --ink-rule: #181816;
  --hairline: rgba(24, 24, 22, 0.16);
  --hairline-strong: rgba(24, 24, 22, 0.85);

  /* Cartographic & Swiss Signal Accents */
  --accent-orange: #d94e28;
  --accent-green: #0f6e56;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
}

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

html {
  scroll-behavior: smooth;
  color-scheme: light;
}

body {
  min-block-size: 100dvh;
  background-color: var(--paper-bg);
  /* Fine Millimeter Engineering Paper Grid (Major 120px + Minor 24px lines) */
  background-image:
    linear-gradient(to right, rgba(24, 24, 22, 0.065) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(24, 24, 22, 0.065) 1px, transparent 1px),
    linear-gradient(to right, rgba(24, 24, 22, 0.028) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(24, 24, 22, 0.028) 1px, transparent 1px);
  background-size: 120px 120px, 120px 120px, 24px 24px, 24px 24px;
  color: var(--ink-primary);
  font-family: var(--font-sans);
  line-height: 1.55;
  text-align: start;
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
}

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

/* Ambient Topographical Map Contours Layer */
.topo-paper-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: clip;
}

.topo-bg-svg {
  inline-size: 100%;
  block-size: 100%;
}

/* Outer Swiss Architectural Grid Frame */
.swiss-frame {
  position: relative;
  z-index: 1;
  max-inline-size: 1320px;
  margin-inline: auto;
  border-inline: 1px solid var(--hairline);
  background: rgba(243, 239, 230, 0.55);
  backdrop-filter: blur(2px);
}

/* ==========================================================================
   Top Specification Bar
   ========================================================================== */
.spec-bar {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-block-end: 1px solid var(--hairline);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.04em;
  background: var(--paper-elevated);
}

.spec-cell {
  padding: 0.55rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  border-inline-end: 1px solid var(--hairline);
}

.spec-cell:last-child {
  border-inline-end: none;
}

.spec-cell-center {
  justify-content: center;
}

.spec-cell-end {
  justify-content: flex-end;
}

.spec-key {
  color: var(--ink-muted);
}

.spec-val {
  color: var(--ink-primary);
  font-weight: 600;
}

@media (max-width: 860px) {
  .spec-bar {
    grid-template-columns: 1fr;
  }
  .spec-cell-center,
  .spec-cell-end {
    display: none;
  }
}

/* ==========================================================================
   Primary Swiss Header
   ========================================================================== */
.swiss-header {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  justify-content: space-between;
  border-block-end: 1.5px solid var(--ink-rule);
  background: rgba(243, 239, 230, 0.85);
}

.brand-block {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  padding: 1.25rem 1.5rem;
  text-decoration: none;
  color: var(--ink-primary);
  border-inline-end: 1px solid var(--hairline);
}

.brand-dot {
  inline-size: 0.65rem;
  block-size: 0.65rem;
  border-radius: 50%;
  background: var(--accent-orange);
}

.brand-wordmark {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.swiss-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
}

.swiss-nav-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 1rem 1.35rem;
  text-decoration: none;
  color: var(--ink-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  border-inline-start: 1px solid var(--hairline);
  transition: background-color 0.15s ease, color 0.15s ease;
}

.swiss-nav-link span {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--ink-muted);
}

.swiss-nav-link:hover {
  background: var(--paper-elevated);
  color: var(--ink-primary);
}

.swiss-nav-cta {
  display: inline-flex;
  align-items: center;
  padding: 1rem 1.5rem;
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  background: var(--ink-primary);
  color: var(--paper-bg);
  transition: background-color 0.15s ease;
}

.swiss-nav-cta:hover {
  background: var(--accent-orange);
}

/* Mobile Hamburger Toggle Button (hidden on desktop) */
.swiss-menu-toggle {
  display: none;
  appearance: none;
  border: none;
  border-inline-start: 1px solid var(--hairline);
  background: transparent;
  color: var(--ink-primary);
  padding: 1rem 1.35rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  align-items: center;
  gap: 0.65rem;
  cursor: pointer;
  transition: background-color 0.15s ease;
}

.swiss-menu-toggle:hover {
  background: var(--paper-elevated);
}

.hamburger-bars {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  inline-size: 18px;
  block-size: 14px;
}

.hbar {
  display: block;
  inline-size: 100%;
  block-size: 1.5px;
  background-color: var(--ink-primary);
  transition: transform 0.2s ease;
  transform-origin: center;
}

.swiss-menu-toggle[aria-expanded="true"] .hbar:first-child {
  transform: translateY(3.25px) rotate(45deg);
}

.swiss-menu-toggle[aria-expanded="true"] .hbar:last-child {
  transform: translateY(-3.25px) rotate(-45deg);
}

@media (max-width: 780px) {
  .swiss-menu-toggle {
    display: inline-flex;
    margin-inline-start: auto;
  }

  .swiss-nav {
    inline-size: 100%;
    flex-direction: column;
    flex-wrap: nowrap;
    block-size: 0;
    overflow: hidden;
    transition: block-size 0.25s ease-out;
  }

  .swiss-nav.is-open {
    block-size: auto;
    border-block-start: 1px solid var(--ink-rule);
  }

  .swiss-nav-link {
    inline-size: 100%;
    border-inline-start: none;
    border-block-end: 1px solid var(--hairline);
    padding: 1rem 1.5rem;
    justify-content: flex-start;
  }

  .swiss-nav-cta {
    inline-size: 100%;
    padding: 1.1rem 1.5rem;
    justify-content: space-between;
  }
}

@media (prefers-reduced-motion: reduce) {
  .swiss-nav,
  .hbar {
    transition: none !important;
  }
}

/* ==========================================================================
   Section 00: Swiss Hero
   ========================================================================== */
.swiss-hero {
  display: grid;
  grid-template-columns: 280px 1fr;
  border-block-end: 1.5px solid var(--ink-rule);
}

.hero-index-col {
  padding: 2.5rem 1.5rem;
  border-inline-end: 1px solid var(--hairline);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.index-badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-orange);
  letter-spacing: 0.05em;
}

.index-meta p {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink-muted);
  line-height: 1.6;
}

.hero-main-col {
  padding: clamp(2.5rem, 5vw, 4.5rem) clamp(1.5rem, 4vw, 3.5rem);
}

.swiss-h1 {
  font-size: clamp(2.5rem, 1.5rem + 4.2vw, 4.75rem);
  font-weight: 800;
  line-height: 1.03;
  letter-spacing: -0.035em;
  color: var(--ink-primary);
  max-inline-size: 16ch;
  text-wrap: balance;
  margin-block-end: 2.5rem;
}

.hero-two-col-copy {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2.5rem;
  padding-block-start: 2rem;
  border-block-start: 1px solid var(--hairline);
}

.hero-lead {
  font-size: clamp(1.125rem, 1rem + 0.4vw, 1.35rem);
  font-weight: 500;
  line-height: 1.55;
  color: var(--ink-primary);
  max-inline-size: 56ch;
  text-wrap: pretty;
}

.hero-callout {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1.5rem;
  font-size: 0.95rem;
  color: var(--ink-secondary);
  text-wrap: pretty;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

@media (max-width: 980px) {
  .swiss-hero {
    grid-template-columns: 1fr;
  }
  .hero-index-col {
    border-inline-end: none;
    border-block-end: 1px solid var(--hairline);
    padding: 1.5rem;
  }
  .hero-two-col-copy {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   Swiss Buttons & Tags
   ========================================================================== */
.btn-swiss {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  padding: 0.75rem 1.25rem;
  text-decoration: none;
  border: 1px solid var(--ink-primary);
  transition: all 0.15s ease;
  cursor: pointer;
}

.btn-ink {
  background: var(--ink-primary);
  color: var(--paper-bg);
}

.btn-ink:hover {
  background: var(--accent-orange);
  border-color: var(--accent-orange);
}

.btn-orange {
  background: var(--accent-orange);
  border-color: var(--accent-orange);
  color: #fff;
}

.btn-orange:hover {
  background: var(--ink-primary);
  border-color: var(--ink-primary);
}

.btn-paper {
  background: rgba(255, 255, 255, 0.45);
  color: var(--ink-primary);
}

.btn-paper:hover {
  background: var(--ink-primary);
  color: var(--paper-bg);
}

.btn-full {
  inline-size: 100%;
}

.swiss-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  padding: 0.2rem 0.55rem;
}

.tag-orange {
  background: var(--accent-orange);
  color: #fff;
}

.tag-green {
  background: var(--accent-green);
  color: #fff;
}

.tag-outline {
  border: 1px solid var(--hairline-strong);
  color: var(--ink-primary);
}

/* ==========================================================================
   Shared Swiss Section Architecture (Left Index Column + Right Content)
   ========================================================================== */
.swiss-section {
  display: grid;
  grid-template-columns: 280px 1fr;
  border-block-end: 1.5px solid var(--ink-rule);
}

.section-sidebar {
  padding: 2.5rem 1.5rem;
  border-inline-end: 1px solid var(--hairline);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.section-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-orange);
  letter-spacing: 0.05em;
}

.sidebar-heading {
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

.sidebar-note {
  font-size: 0.875rem;
  color: var(--ink-muted);
  text-wrap: pretty;
}

.section-content {
  display: flex;
  flex-direction: column;
}

@media (max-width: 980px) {
  .swiss-section {
    grid-template-columns: 1fr;
  }
  .section-sidebar {
    border-inline-end: none;
    border-block-end: 1px solid var(--hairline);
    padding: 1.75rem 1.5rem;
  }
}

/* ==========================================================================
   Section 01: Isobar Showcase & Topographical Chart Plate
   ========================================================================== */
.isobar-showcase {
  padding: clamp(2rem, 4vw, 3rem);
}

.isobar-meta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-block-end: 1.75rem;
}

.tag-cluster {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.fig-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--ink-muted);
  letter-spacing: 0.05em;
}

.isobar-grid {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 2.5rem;
  align-items: start;
}

@media (max-width: 1080px) {
  .isobar-grid {
    grid-template-columns: 1fr;
  }
}

.product-title {
  font-size: clamp(1.75rem, 1.3rem + 1.2vw, 2.35rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.15;
  margin-block-end: 0.4rem;
}

.product-subtitle {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--ink-secondary);
  margin-block-end: 1.25rem;
}

.body-prose {
  font-size: 0.95rem;
  color: var(--ink-secondary);
  max-inline-size: 62ch;
  text-wrap: pretty;
  margin-block-end: 1rem;
}

.spec-table {
  margin-block: 1.5rem;
  border-block-start: 1px solid var(--hairline);
}

.spec-row {
  display: grid;
  grid-template-columns: 120px 1fr;
  padding-block: 0.55rem;
  border-block-end: 1px solid var(--hairline);
  font-size: 0.8125rem;
}

.spec-row dt {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink-muted);
}

.spec-row dd {
  font-weight: 500;
  color: var(--ink-primary);
}

/* Topographical Synoptic Chart Plate */
.chart-plate {
  border: 1px solid var(--ink-primary);
  background: var(--paper-card);
  overflow: clip;
}

.plate-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.65rem 1rem;
  border-block-end: 1px solid var(--hairline);
  background: var(--paper-elevated);
}

.plate-code {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--ink-secondary);
}

.route-toggle-group {
  display: flex;
  gap: 0.3rem;
}

.plate-btn {
  appearance: none;
  border: 1px solid var(--hairline);
  background: var(--paper-bg);
  color: var(--ink-secondary);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  padding: 0.25rem 0.55rem;
  cursor: pointer;
}

.plate-btn.active {
  background: var(--ink-primary);
  color: var(--paper-bg);
  border-color: var(--ink-primary);
}

.plate-canvas {
  aspect-ratio: 460 / 300;
  inline-size: 100%;
  background: #efe9dc;
}

.synoptic-svg {
  inline-size: 100%;
  block-size: 100%;
}

.chart-route {
  transition: opacity 0.25s ease, stroke-width 0.25s ease;
}

.route-optimal {
  stroke: var(--accent-orange);
  stroke-width: 2.75;
  opacity: 1;
}

.route-comfort {
  stroke: var(--accent-green);
  stroke-width: 1.75;
  stroke-dasharray: 5 4;
  opacity: 0.4;
}

.chart-plate[data-mode="comfort"] .route-optimal {
  opacity: 0.3;
  stroke-width: 1.5;
  stroke-dasharray: 4 4;
}

.chart-plate[data-mode="comfort"] .route-comfort {
  opacity: 1;
  stroke-width: 2.75;
  stroke-dasharray: none;
}

.swiss-pulse {
  animation: swissRadar 2.4s ease-out infinite;
  transform-origin: center;
}

@keyframes swissRadar {
  0% {
    transform: scale(0.6);
    opacity: 0.9;
  }
  100% {
    transform: scale(2.1);
    opacity: 0;
  }
}

.plate-telemetry {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-block-start: 1px solid var(--hairline);
  background: var(--paper-elevated);
}

.tele-box {
  padding: 0.65rem 0.85rem;
  border-inline-end: 1px solid var(--hairline);
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.tele-box:last-child {
  border-inline-end: none;
}

.tele-label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--ink-muted);
}

.tele-val {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--ink-primary);
}

/* ==========================================================================
   Section 02: Consulting & Advisory Grid
   ========================================================================== */
.advisory-intro {
  padding: clamp(2rem, 4vw, 3rem);
  border-block-end: 1px solid var(--hairline);
}

.large-editorial {
  font-size: clamp(1.25rem, 1.05rem + 0.7vw, 1.65rem);
  font-weight: 500;
  line-height: 1.45;
  max-inline-size: 60ch;
  text-wrap: pretty;
  color: var(--ink-primary);
}

.swiss-three-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.grid-cell {
  padding: 2rem;
  border-inline-end: 1px solid var(--hairline);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.grid-cell:last-child {
  border-inline-end: none;
}

.cell-index {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--accent-green);
}

.cell-title {
  font-size: 1.125rem;
  font-weight: 700;
  line-height: 1.3;
  text-wrap: balance;
}

.cell-body {
  font-size: 0.9rem;
  color: var(--ink-secondary);
  text-wrap: pretty;
}

@media (max-width: 900px) {
  .swiss-three-grid {
    grid-template-columns: 1fr;
  }
  .grid-cell {
    border-inline-end: none;
    border-block-end: 1px solid var(--hairline);
  }
}

/* ==========================================================================
   Section 03: Team Pedigree & Founder Dossier
   ========================================================================== */
.pedigree-split {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
}

.pedigree-narrative {
  padding: clamp(2rem, 4vw, 3rem);
  border-inline-end: 1px solid var(--hairline);
}

.pedigree-headline {
  font-size: clamp(1.4rem, 1.15rem + 0.9vw, 1.9rem);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
  text-wrap: balance;
  margin-block: 1rem 1.25rem;
}

.founder-dossier {
  padding: clamp(2rem, 4vw, 3rem);
  background: rgba(235, 229, 216, 0.45);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1.25rem;
}

.dossier-top {
  display: flex;
  justify-content: space-between;
  padding-block-end: 0.75rem;
  border-block-end: 1px solid var(--hairline);
}

.dossier-profile {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.dossier-avatar {
  inline-size: 64px;
  block-size: 64px;
  border-radius: 50%;
  object-fit: cover;
  border: 1.5px solid var(--ink-primary);
  filter: contrast(1.04);
}

.dossier-name {
  font-size: 1.2rem;
  font-weight: 700;
}

.dossier-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-muted);
}

.dossier-bio {
  font-size: 0.9rem;
  color: var(--ink-secondary);
  text-wrap: pretty;
}

@media (max-width: 900px) {
  .pedigree-split {
    grid-template-columns: 1fr;
  }
  .pedigree-narrative {
    border-inline-end: none;
    border-block-end: 1px solid var(--hairline);
  }
}

/* ==========================================================================
   Swiss Footer
   ========================================================================== */
.swiss-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.5rem 2rem;
  background: var(--paper-elevated);
  font-size: 0.85rem;
}

.footer-col {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
}

.footer-mono {
  font-family: var(--font-mono);
  font-weight: 700;
}

.footer-muted {
  color: var(--ink-muted);
}

.footer-links a {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-secondary);
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--accent-orange);
  text-decoration: underline;
}