/* ==========================================================================
   European Rail Atelier - Core Design System & Glassmorphism Framework
   Domain: matemintpckbcn.yachts
   ========================================================================== */

:root {
  /* Atelier Color Palette */
  --c-midnight: #18242B;
  --c-carriage-blue: #22343D;
  --c-railway-slate: #405158;
  --c-smoked-steel: #617077;
  --c-soft-graphite: #7B8588;
  --c-champagne: #D9D0BF;
  --c-warm-ivory: #F5F1E8;
  --c-carriage-white: #FBF9F4;
  --c-glass-mist: #DCE3E1;
  --c-rail-teal: #5D8584;
  --c-signal-blue: #708F9B;
  --c-brass: #B79762;
  --c-copper: #B7785F;
  --c-tech-ink: #172328;
  --c-body-text: #46545A;
  --c-muted-text: #8E9A9D;
  --c-light-text: #F1F3EF;

  /* Glassmorphism Variables */
  --glass-bg: rgba(34, 52, 61, 0.72);
  --glass-bg-hover: rgba(40, 60, 70, 0.82);
  --glass-border: rgba(220, 227, 225, 0.12);
  --glass-border-luminous: rgba(183, 151, 98, 0.38);
  --glass-blur: blur(14px);
  --glass-shadow: 0 16px 40px -8px rgba(10, 16, 20, 0.65);

  /* Spacing System */
  --sp-4: 4px;
  --sp-8: 8px;
  --sp-16: 16px;
  --sp-24: 24px;
  --sp-40: 40px;
  --sp-64: 64px;

  /* Typography */
  --font-serif: "Iowan Old Style", "Apple Garamond", "Baskerville", "Times New Roman", "Droid Serif", serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  /* Transition Curves */
  --ease-atelier: cubic-bezier(0.16, 1, 0.3, 1);
}

/* Reset & Box Sizing */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  background-color: var(--c-midnight);
  color: var(--c-light-text);
  font-family: var(--font-sans);
  line-height: 1.6;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  background: radial-gradient(circle at 80% 10%, rgba(34, 52, 61, 0.8) 0%, var(--c-midnight) 70%),
              linear-gradient(180deg, var(--c-midnight) 0%, var(--c-tech-ink) 100%);
  background-attachment: fixed;
  color: var(--c-light-text);
  overflow-x: clip; /* Avoid horizontal layout breakages while preserving standards */
}

/* Accessibility: Skip Navigation Link */
.skip-link {
  position: absolute;
  top: -100px;
  left: var(--sp-16);
  background-color: var(--c-brass);
  color: var(--c-midnight);
  padding: var(--sp-8) var(--sp-16);
  font-weight: 700;
  z-index: 9999;
  border-radius: 4px;
  text-decoration: none;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: var(--sp-16);
  outline: 3px solid var(--c-warm-ivory);
}

/* Focus Visible Universals */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--c-brass);
  outline-offset: 3px;
}

/* Typography Defaults */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  color: var(--c-warm-ivory);
  line-height: 1.25;
  font-weight: 500;
  overflow-wrap: anywhere;
}

p, li, th, td, label {
  overflow-wrap: anywhere;
}

p {
  color: var(--c-glass-mist);
  margin-bottom: var(--sp-16);
}

a {
  color: var(--c-champagne);
  text-decoration: none;
  transition: color 0.2s ease, border-color 0.2s ease;
}

a:hover {
  color: var(--c-warm-ivory);
}

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

/* Layout Utilities */
.site-container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--sp-24);
  min-width: 0;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Eyebrow Tag Standard */
.eyebrow-tag {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--c-brass);
  margin-bottom: var(--sp-8);
  font-weight: 600;
}

/* Buttons System */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px var(--sp-24);
  font-family: var(--font-sans);
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  border-radius: 4px;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.25s var(--ease-atelier);
  border: 1px solid transparent;
  min-width: 0;
}

.btn-primary {
  background-color: var(--c-brass);
  color: var(--c-midnight);
  border-color: var(--c-brass);
}

.btn-primary:hover {
  background-color: #cbb07e;
  border-color: #cbb07e;
  color: var(--c-tech-ink);
}

.btn-secondary {
  background-color: rgba(64, 81, 88, 0.4);
  color: var(--c-warm-ivory);
  border-color: rgba(220, 227, 225, 0.25);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background-color: rgba(93, 133, 132, 0.45);
  border-color: var(--c-champagne);
  color: #fff;
}

.btn-outline {
  background: transparent;
  color: var(--c-glass-mist);
  border-color: rgba(220, 227, 225, 0.2);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.05);
  color: #fff;
}

.btn-sm {
  padding: 8px var(--sp-16);
  font-size: 0.84rem;
}

.btn-full {
  width: 100%;
}

.btn-text {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-8);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--c-champagne);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.btn-text:hover {
  color: var(--c-warm-ivory);
  text-decoration: underline;
}

/* ==========================================================================
   Header (Non-sticky, strictly 56-64px desktop, 48-52px mobile)
   ========================================================================== */
.site-header {
  position: static; /* Strictly non-sticky */
  height: 64px;
  background-color: rgba(24, 36, 43, 0.95);
  border-bottom: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  z-index: 1000;
}

.header-container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--sp-24);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: var(--sp-12, 12px);
  text-decoration: none;
  color: var(--c-warm-ivory);
  font-family: var(--font-serif);
  font-size: 1.15rem;
  letter-spacing: 0.02em;
  font-weight: 600;
}

.brand-logo-svg {
  flex-shrink: 0;
}

.brand-title {
  overflow-wrap: anywhere;
}

.main-nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--sp-24);
  list-style: none;
}

.nav-link {
  color: var(--c-glass-mist);
  font-size: 0.88rem;
  letter-spacing: 0.03em;
  padding: var(--sp-4) 0;
  position: relative;
  transition: color 0.2s ease;
}

.nav-link:hover,
.nav-link.is-active {
  color: var(--c-champagne);
}

.nav-link.is-active::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--c-brass);
}

.nav-btn {
  padding: 8px 18px;
  border-radius: 4px;
  background: rgba(183, 151, 98, 0.15);
  border: 1px solid var(--c-brass);
  color: var(--c-champagne);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: all 0.2s ease;
}

.nav-btn:hover,
.nav-btn.is-active {
  background: var(--c-brass);
  color: var(--c-midnight);
}

.nav-toggle {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: var(--sp-8);
  flex-direction: column;
  gap: 5px;
}

.nav-toggle-line {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--c-warm-ivory);
  transition: all 0.3s ease;
}

/* ==========================================================================
   Hero Section: Split Layout (Strict Text / Image Separation)
   Desktop: Content Left, Media Right. Mobile: Content Top, Gap, Media Bottom.
   ========================================================================== */
.hero-section {
  padding: var(--sp-64) 0;
  border-bottom: 1px solid var(--glass-border);
}

.hero-split {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: var(--sp-40); /* Explicit 40px separation gap */
  align-items: center;
}

.hero-content-panel {
  min-width: 0;
}

.hero-headline {
  font-size: clamp(2rem, 3.8vw, 3.2rem);
  letter-spacing: -0.01em;
  line-height: 1.15;
  margin-bottom: var(--sp-24);
  color: var(--c-warm-ivory);
}

.hero-subheading {
  font-size: 1.15rem;
  line-height: 1.6;
  color: var(--c-champagne);
  margin-bottom: var(--sp-16);
  font-family: var(--font-serif);
}

.hero-description {
  font-size: 0.96rem;
  color: var(--c-glass-mist);
  margin-bottom: var(--sp-40);
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: var(--sp-16);
  flex-wrap: wrap;
}

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

.hero-image-frame {
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--glass-border-luminous);
  box-shadow: var(--glass-shadow);
  background-color: var(--c-carriage-blue);
}

.hero-image-frame img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.hero-image-frame:hover img {
  transform: scale(1.02);
}

/* ==========================================================================
   Horizontal Split Card Component (Media Left, Gap, Content Right)
   ========================================================================== */
.topics-section {
  padding: var(--sp-64) 0;
}

.section-intro {
  margin-bottom: var(--sp-40);
  max-width: 760px;
}

.section-intro.text-center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-title {
  font-size: clamp(1.75rem, 2.5vw, 2.4rem);
  margin-bottom: var(--sp-16);
  color: var(--c-warm-ivory);
}

.section-lead {
  font-size: 1.05rem;
  color: var(--c-glass-mist);
  line-height: 1.65;
}

.cards-stack {
  display: flex;
  flex-direction: column;
  gap: var(--sp-40); /* Explicit 40px vertical separation between cards */
}

/* Horizontal Split Card Definition */
.split-card {
  display: grid;
  grid-template-columns: 420px 1fr; /* Image left, content right */
  gap: 32px; /* Mandatory 24-40px physical gap */
  align-items: stretch;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--glass-shadow);
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.split-card:hover {
  border-color: var(--glass-border-luminous);
  transform: translateY(-2px);
}

.card-media {
  min-width: 0;
  background-color: var(--c-tech-ink);
  overflow: hidden;
}

.card-media img {
  width: 100%;
  height: 100%;
  min-height: 280px;
  object-fit: cover;
  transition: transform 0.6s var(--ease-atelier);
}

.split-card:hover .card-media img {
  transform: scale(1.03);
}

.card-content {
  padding: var(--sp-32, 32px) var(--sp-32, 32px) var(--sp-32, 32px) 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
}

.card-meta {
  display: flex;
  align-items: center;
  gap: var(--sp-16);
  margin-bottom: var(--sp-12, 12px);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.card-tag {
  color: var(--c-brass);
  font-weight: 600;
}

.card-duration {
  color: var(--c-muted-text);
}

.card-title {
  font-size: 1.6rem;
  margin-bottom: var(--sp-12, 12px);
  color: var(--c-warm-ivory);
}

.card-summary {
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--c-glass-mist);
  margin-bottom: var(--sp-24);
}

.card-footer-action {
  margin-top: auto;
}

/* ==========================================================================
   Philosophy Section: PLAN -> BOARD -> TRAVEL -> EXPERIENCE -> ARRIVE
   ========================================================================== */
.philosophy-section {
  padding: var(--sp-64) 0;
  background: linear-gradient(180deg, transparent 0%, rgba(34, 52, 61, 0.45) 50%, transparent 100%);
  border-top: 1px solid var(--glass-border);
  border-bottom: 1px solid var(--glass-border);
}

.philosophy-steps-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--sp-16);
  margin-top: var(--sp-40);
}

.step-card {
  background: rgba(24, 36, 43, 0.7);
  border: 1px solid var(--glass-border);
  border-radius: 6px;
  padding: var(--sp-24) var(--sp-16);
  display: flex;
  flex-direction: column;
  backdrop-filter: blur(8px);
  min-width: 0;
  transition: border-color 0.25s ease;
}

.step-card:hover {
  border-color: var(--c-brass);
}

.step-number {
  font-size: 1.4rem;
  font-family: var(--font-serif);
  color: var(--c-brass);
  margin-bottom: var(--sp-8);
  font-weight: 600;
}

.step-title {
  font-size: 1.15rem;
  margin-bottom: var(--sp-8);
  color: var(--c-warm-ivory);
}

.step-copy {
  font-size: 0.85rem;
  line-height: 1.55;
  color: var(--c-glass-mist);
  margin-bottom: 0;
}

/* ==========================================================================
   CTA Box
   ========================================================================== */
.cta-banner-section {
  padding: var(--sp-64) 0;
}

.cta-glass-box {
  background: linear-gradient(135deg, rgba(34, 52, 61, 0.9) 0%, rgba(24, 36, 43, 0.95) 100%);
  border: 1px solid var(--glass-border-luminous);
  border-radius: 8px;
  padding: var(--sp-40);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-40);
  box-shadow: var(--glass-shadow);
}

.cta-text {
  max-width: 700px;
  min-width: 0;
}

.cta-title {
  font-size: 1.85rem;
  margin-bottom: var(--sp-12, 12px);
}

.cta-description {
  font-size: 0.98rem;
  color: var(--c-glass-mist);
  margin-bottom: 0;
}

.cta-button-wrapper {
  flex-shrink: 0;
}

/* ==========================================================================
   Subpage Content Architecture (Articles & Guides)
   ========================================================================== */
.content-section {
  padding: var(--sp-64) 0;
}

.article-grid {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: var(--sp-40);
  align-items: start;
}

.article-body {
  min-width: 0;
}

.article-body h2 {
  font-size: 1.75rem;
  margin-top: var(--sp-40);
  margin-bottom: var(--sp-16);
  color: var(--c-warm-ivory);
}

.article-body h2:first-child {
  margin-top: 0;
}

.article-body h3 {
  font-size: 1.3rem;
  margin-top: var(--sp-24);
  margin-bottom: var(--sp-12, 12px);
  color: var(--c-champagne);
}

.article-body p {
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: var(--sp-24);
}

.article-body ul {
  margin-bottom: var(--sp-24);
  padding-left: var(--sp-24);
}

.article-body li {
  margin-bottom: var(--sp-8);
  color: var(--c-glass-mist);
  line-height: 1.6;
}

.article-card-spaced {
  margin: var(--sp-40) 0;
}

/* Comparison Tables */
.comparison-block {
  margin: var(--sp-40) 0;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 8px;
  padding: var(--sp-24);
}

.table-responsive-wrapper {
  overflow-x: auto;
  margin-top: var(--sp-16);
}

.editorial-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
}

.editorial-table th,
.editorial-table td {
  padding: var(--sp-12, 12px) var(--sp-16);
  border-bottom: 1px solid rgba(220, 227, 225, 0.1);
}

.editorial-table th {
  background-color: rgba(24, 36, 43, 0.8);
  color: var(--c-warm-ivory);
  font-family: var(--font-serif);
  font-size: 0.95rem;
  font-weight: 600;
}

.editorial-table td {
  color: var(--c-glass-mist);
  vertical-align: top;
}

.editorial-table tr:hover td {
  background-color: rgba(93, 133, 132, 0.08);
}

/* Sidebar Styling */
.article-sidebar {
  min-width: 0;
}

.sidebar-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: 8px;
  padding: var(--sp-24);
  box-shadow: var(--glass-shadow);
  position: sticky;
  top: var(--sp-24);
}

.sidebar-heading {
  font-size: 1.2rem;
  margin-bottom: var(--sp-16);
  color: var(--c-champagne);
  border-bottom: 1px solid var(--glass-border);
  padding-bottom: var(--sp-8);
}

.sidebar-checklist {
  list-style: none;
  margin-bottom: var(--sp-24);
}

.sidebar-checklist li {
  font-size: 0.88rem;
  line-height: 1.55;
  margin-bottom: var(--sp-12, 12px);
  color: var(--c-glass-mist);
  position: relative;
  padding-left: 18px;
}

.sidebar-checklist li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--c-brass);
}

/* Persona Grid Component */
.persona-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-16);
  margin: var(--sp-24) 0;
}

.persona-card {
  background: rgba(24, 36, 43, 0.85);
  border: 1px solid var(--glass-border);
  border-radius: 6px;
  padding: var(--sp-16);
  min-width: 0;
}

.persona-badge {
  display: inline-block;
  font-size: 0.72rem;
  text-transform: uppercase;
  color: var(--c-brass);
  letter-spacing: 0.06em;
  margin-bottom: var(--sp-8);
  font-weight: 600;
}

.persona-card h4 {
  font-size: 1.05rem;
  margin-bottom: var(--sp-8);
}

.persona-card p {
  font-size: 0.86rem;
  line-height: 1.5;
  margin-bottom: 0;
}

/* ==========================================================================
   Legal Pages Architecture (Privacy, Terms, Cookies)
   ========================================================================== */
.legal-page-header {
  padding: var(--sp-40) 0 var(--sp-24) 0;
  border-bottom: 1px solid var(--glass-border);
}

.page-title {
  font-size: clamp(2rem, 3.2vw, 2.8rem);
  margin-bottom: var(--sp-8);
}

.page-subtitle {
  font-size: 1.05rem;
  color: var(--c-muted-text);
  margin-bottom: 0;
}

.legal-content-section {
  padding: var(--sp-40) 0 var(--sp-64) 0;
}

.legal-panel {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: 8px;
  padding: var(--sp-40);
  box-shadow: var(--glass-shadow);
}

.legal-panel h2 {
  font-size: 1.5rem;
  margin-top: var(--sp-32, 32px);
  margin-bottom: var(--sp-12, 12px);
  color: var(--c-champagne);
}

.legal-panel h2:first-child {
  margin-top: 0;
}

.legal-panel p,
.legal-panel li {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--c-glass-mist);
}

.legal-panel ul {
  padding-left: var(--sp-24);
  margin-bottom: var(--sp-16);
}

/* ==========================================================================
   Contact Page Styles (Validated Form & Static Decorative Map)
   ========================================================================== */
.contact-header-section {
  padding: var(--sp-40) 0 var(--sp-24) 0;
  border-bottom: 1px solid var(--glass-border);
}

.contact-layout-section {
  padding: var(--sp-40) 0 var(--sp-64) 0;
}

.contact-split-grid {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: var(--sp-40);
  align-items: start;
}

.contact-form-panel,
.details-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: 8px;
  padding: var(--sp-32, 32px);
  box-shadow: var(--glass-shadow);
  min-width: 0;
}

.form-panel-title,
.details-title {
  font-size: 1.5rem;
  margin-bottom: var(--sp-8);
}

.form-panel-desc,
.details-text {
  font-size: 0.92rem;
  color: var(--c-glass-mist);
  margin-bottom: var(--sp-24);
}

.form-group {
  margin-bottom: var(--sp-20, 20px);
  display: flex;
  flex-direction: column;
}

.form-label {
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: var(--sp-8);
  color: var(--c-warm-ivory);
}

.form-label .req {
  color: var(--c-copper);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  background: rgba(24, 36, 43, 0.85);
  border: 1px solid var(--glass-border);
  border-radius: 4px;
  padding: 12px var(--sp-16);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--c-warm-ivory);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--c-brass);
  box-shadow: 0 0 0 2px rgba(183, 151, 98, 0.25);
  outline: none;
}

.form-input.is-invalid,
.form-select.is-invalid,
.form-textarea.is-invalid {
  border-color: var(--c-copper);
  background-color: rgba(183, 120, 95, 0.08);
}

.field-error-message {
  font-size: 0.78rem;
  color: #e59a84;
  margin-top: 6px;
  min-height: 18px;
  display: block;
}

.form-feedback-success {
  background: rgba(93, 133, 132, 0.25);
  border: 1px solid var(--c-rail-teal);
  border-radius: 6px;
  padding: var(--sp-16);
  margin-bottom: var(--sp-24);
  display: flex;
  gap: var(--sp-16);
  align-items: flex-start;
}

.form-feedback-success[hidden] {
  display: none;
}

.success-icon {
  font-size: 1.4rem;
  color: var(--c-champagne);
  line-height: 1;
}

.success-content h4 {
  font-size: 1.05rem;
  margin-bottom: var(--sp-4);
  color: var(--c-warm-ivory);
}

.success-content p {
  font-size: 0.88rem;
  margin-bottom: 0;
  color: var(--c-glass-mist);
}

.details-list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-16);
  margin-bottom: var(--sp-32, 32px);
  border-top: 1px solid var(--glass-border);
  border-bottom: 1px solid var(--glass-border);
  padding: var(--sp-16) 0;
}

.detail-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.detail-label {
  font-size: 0.78rem;
  text-transform: uppercase;
  color: var(--c-muted-text);
  letter-spacing: 0.06em;
}

.detail-val {
  font-size: 0.95rem;
  color: var(--c-warm-ivory);
}

/* Static Decorative Map Block */
.static-map-wrapper {
  background: var(--c-tech-ink);
  border: 1px solid var(--glass-border);
  border-radius: 6px;
  overflow: hidden;
}

.static-map-svg-container {
  width: 100%;
  line-height: 0;
}

.decorative-map-svg {
  width: 100%;
  height: auto;
  display: block;
}

.static-map-caption {
  padding: var(--sp-8) var(--sp-16);
  background: rgba(24, 36, 43, 0.9);
  font-size: 0.75rem;
  color: var(--c-muted-text);
  text-align: center;
  border-top: 1px solid var(--glass-border);
}

/* ==========================================================================
   Universal Footer
   ========================================================================== */
.site-footer {
  background-color: rgba(20, 29, 35, 0.98);
  border-top: 1px solid var(--glass-border);
  padding: var(--sp-64) 0 var(--sp-32, 32px) 0;
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--sp-40);
  margin-bottom: var(--sp-40);
}

.footer-col {
  min-width: 0;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: var(--sp-8);
  margin-bottom: var(--sp-16);
}

.footer-mission {
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--c-glass-mist);
  max-width: 480px;
  margin-bottom: var(--sp-16);
}

.footer-legal-data {
  font-size: 0.82rem;
  color: var(--c-muted-text);
  line-height: 1.6;
}

.footer-legal-data p {
  margin-bottom: 4px;
  color: inherit;
}

.footer-legal-data strong {
  color: var(--c-champagne);
}

.footer-heading {
  font-size: 1.05rem;
  margin-bottom: var(--sp-16);
  color: var(--c-champagne);
  letter-spacing: 0.04em;
}

.footer-nav {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--sp-8);
}

.footer-nav a {
  color: var(--c-glass-mist);
  font-size: 0.88rem;
  transition: color 0.2s ease;
}

.footer-nav a:hover {
  color: var(--c-warm-ivory);
}

.footer-bottom-bar {
  border-top: 1px solid rgba(220, 227, 225, 0.08);
  padding-top: var(--sp-24);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: var(--c-muted-text);
  flex-wrap: wrap;
  gap: var(--sp-16);
}

.footer-bottom-bar p {
  margin-bottom: 0;
  color: inherit;
}

/* ==========================================================================
   Cookie Banner (Fixed Bottom, LocalStorage State)
   ========================================================================== */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(20, 30, 37, 0.97);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid var(--glass-border-luminous);
  box-shadow: 0 -12px 32px rgba(0, 0, 0, 0.7);
  z-index: 9999;
  padding: var(--sp-20, 20px) 0;
}

.cookie-banner[hidden] {
  display: none;
}

.cookie-banner-content {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--sp-24);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-24);
}

.cookie-text-block {
  max-width: 760px;
  min-width: 0;
}

.cookie-title {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  color: var(--c-warm-ivory);
  margin-bottom: 4px;
}

.cookie-message {
  font-size: 0.85rem;
  color: var(--c-glass-mist);
  line-height: 1.5;
  margin-bottom: 0;
}

.cookie-actions {
  display: flex;
  gap: var(--sp-8);
  flex-shrink: 0;
  flex-wrap: wrap;
}

/* ==========================================================================
   Responsive Architecture (Down to 320px, Sub-400px breakpoint included)
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-split {
    grid-template-columns: 1fr;
    gap: var(--sp-32, 32px);
  }

  .hero-image-frame img {
    height: 340px;
  }

  .split-card {
    grid-template-columns: 320px 1fr;
    gap: var(--sp-24);
  }

  .philosophy-steps-grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

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

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

  .footer-brand-col {
    grid-column: 1 / -1;
  }
}

@media (max-width: 768px) {
  /* Header Mobile Height (48-52px) */
  .site-header {
    height: 52px;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-list {
    position: absolute;
    top: 52px;
    left: 0;
    right: 0;
    background: rgba(24, 36, 43, 0.98);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    flex-direction: column;
    padding: var(--sp-24);
    gap: var(--sp-16);
    display: none;
  }

  .nav-list.is-open {
    display: flex;
  }

  /* Strict Rule: Image Top, Gap, Content Bottom on Mobile Horizontal Split */
  .split-card {
    grid-template-columns: 1fr; /* Reflows horizontally to vertical stack */
    gap: var(--sp-24); /* Mandatory 24px physical gap */
  }

  .card-content {
    padding: 0 var(--sp-24) var(--sp-24) var(--sp-24);
  }

  .card-media img {
    height: 240px;
    min-height: auto;
  }

  .cta-glass-box {
    flex-direction: column;
    align-items: flex-start;
    padding: var(--sp-24);
  }

  .philosophy-steps-grid {
    grid-template-columns: 1fr;
  }

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

  .cookie-banner-content {
    flex-direction: column;
    align-items: flex-start;
  }

  .cookie-actions {
    width: 100%;
    justify-content: flex-start;
  }
}

/* Breakpoint below 400px (e.g., 360px & 320px down-scaling) */
@media (max-width: 399px) {
  .site-container {
    padding: 0 var(--sp-16);
  }

  .site-header {
    height: 48px;
  }

  .brand-title {
    font-size: 1rem;
  }

  .hero-headline {
    font-size: 1.7rem;
  }

  .card-title {
    font-size: 1.3rem;
  }

  .btn {
    width: 100%;
    text-align: center;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

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

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

/* ==========================================================================
   Prefers-Reduced-Motion Block (Disables animations/transitions only)
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}