/* Kinetic Swiss Editorial Stylesheet for Association Dériveur Hautes-Alpes */
/* Root Variables & Strict Typography */
:root {
  --font-heading: "Cabinet Grotesk", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-body: "Satoshi", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --color-bg: #f8fafc;
  --color-surface: #ffffff;
  --color-surface-subtle: #f1f5f9;
  --color-border: #cbd5e1;
  --color-border-dark: #334155;
  --color-text-primary: #0f172a;
  --color-text-secondary: #334155;
  --color-text-muted: #64748b;
  --color-marine-deep: #0a2540;
  --color-marine-blue: #0f3860;
  --color-alpine-teal: #0284c7;
  --color-amber-accent: #c2410c;
  --color-amber-hover: #9a3412;
  --container-max-width: 1240px;
  --border-radius: 4px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-body);
  color: var(--color-text-primary);
  background-color: var(--color-bg);
  line-height: 1.65;
  font-size: 1rem;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Swiss Editorial Framing Borders */
.site-wrapper {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  width: 100%;
}

.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Legal Utility Strip */
.top-utility-strip {
  background-color: var(--color-marine-deep);
  color: #e2e8f0;
  font-size: 0.8125rem;
  font-weight: 500;
  padding: 0.5rem 0;
  letter-spacing: 0.03em;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.top-utility-strip .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.utility-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.utility-badge::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #38bdf8;
}

/* Header & Kinetic Navigation */
.site-header {
  background-color: var(--color-surface);
  border-bottom: 2px solid var(--color-marine-deep);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
  gap: 1.5rem;
}

.brand-identity {
  display: flex;
  flex-direction: column;
  text-decoration: none;
}

.brand-name {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-marine-deep);
  text-transform: uppercase;
  line-height: 1.1;
}

.brand-sub {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-alpine-teal);
  margin-top: 0.2rem;
}

/* Nav Menu Styles */
.nav-container {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.nav-links-list {
  display: flex;
  list-style: none;
  gap: 0.25rem;
  align-items: center;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: block;
  padding: 0.6rem 0.85rem;
  font-family: var(--font-heading);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-marine-deep);
  text-decoration: none;
  border-radius: var(--border-radius);
  transition: all 0.2s ease;
  white-space: nowrap;
}

.nav-link:hover, .nav-link:focus, .nav-link.active {
  color: var(--color-alpine-teal);
  background-color: var(--color-surface-subtle);
}

/* Dropdown Menu */
.has-dropdown .nav-link::after {
  content: " ▾";
  font-size: 0.75em;
  opacity: 0.7;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 240px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  box-shadow: 0 10px 25px -5px rgba(15, 23, 42, 0.15);
  list-style: none;
  padding: 0.5rem 0;
  border-radius: var(--border-radius);
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: all 0.2s ease;
  z-index: 100;
}

.has-dropdown:hover .dropdown-menu,
.has-dropdown:focus-within .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu li a {
  display: block;
  padding: 0.55rem 1.2rem;
  font-size: 0.875rem;
  color: var(--color-text-primary);
  text-decoration: none;
  font-weight: 500;
  transition: background 0.15s ease;
}

.dropdown-menu li a:hover {
  background-color: var(--color-surface-subtle);
  color: var(--color-alpine-teal);
}

/* Nav CTA */
.btn-nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  min-width: 100px;
  padding: 0.55rem 1.25rem;
  background-color: var(--color-amber-accent);
  color: #ffffff;
  font-family: var(--font-heading);
  font-size: 0.9375rem;
  font-weight: 700;
  text-decoration: none;
  border-radius: var(--border-radius);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  border: 1px solid transparent;
  transition: background-color 0.2s ease;
  white-space: nowrap;
}

.btn-nav-cta:hover {
  background-color: var(--color-amber-hover);
  color: #ffffff;
}

/* Mobile Nav Toggle */
.mobile-nav-toggle {
  display: none;
  min-width: 44px;
  min-height: 44px;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  cursor: pointer;
  padding: 0.5rem;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}

.mobile-nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--color-marine-deep);
  transition: all 0.2s ease;
}

/* Standard Buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.75rem 1.75rem;
  background-color: var(--color-amber-accent);
  color: #ffffff;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  text-decoration: none;
  border-radius: var(--border-radius);
  transition: all 0.2s ease;
  letter-spacing: 0.02em;
  border: 1px solid transparent;
}

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

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.75rem 1.75rem;
  background-color: transparent;
  color: var(--color-marine-deep);
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  text-decoration: none;
  border-radius: var(--border-radius);
  border: 2px solid var(--color-marine-deep);
  transition: all 0.2s ease;
}

.btn-secondary:hover {
  background-color: var(--color-marine-deep);
  color: #ffffff;
}

/* Typography Hierarchy */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-marine-deep);
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.1rem, 4vw, 3.25rem);
  margin-bottom: 1rem;
}

h2 {
  font-size: clamp(1.6rem, 3vw, 2.25rem);
  margin-top: 2rem;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--color-border);
}

h3 {
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
}

p {
  margin-bottom: 1.25rem;
  color: var(--color-text-secondary);
}

strong {
  color: var(--color-text-primary);
  font-weight: 700;
}

/* Page Frame Structure */
.main-content {
  flex: 1 0 auto;
}

.page-header-banner {
  background-color: var(--color-marine-deep);
  color: #ffffff;
  padding: 3.5rem 0;
  border-bottom: 3px solid var(--color-amber-accent);
}

.page-header-banner h1 {
  color: #ffffff;
}

.page-header-banner .lead-text {
  font-size: 1.2rem;
  color: #cbd5e1;
  max-width: 800px;
  line-height: 1.6;
}

/* Hero Section */
.hero-editorial {
  position: relative;
  background-color: var(--color-marine-deep);
  color: #ffffff;
  padding: 4.5rem 0 3.5rem;
  border-bottom: 2px solid var(--color-border);
  overflow: hidden;
}

.hero-editorial-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 3rem;
  align-items: center;
}

.hero-editorial-text h1 {
  color: #ffffff;
}

.hero-summary-2sentences {
  font-size: 1.15rem;
  font-weight: 500;
  line-height: 1.65;
  color: #e2e8f0;
  margin: 1.5rem 0 2rem;
  padding: 1.25rem;
  background-color: rgba(255, 255, 255, 0.08);
  border-left: 4px solid var(--color-alpine-teal);
  border-radius: var(--border-radius);
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-editorial-media {
  position: relative;
}

.hero-img-frame {
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: 0 20px 30px -10px rgba(0, 0, 0, 0.5);
}

.hero-img-frame img {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

/* Mission Callout Box (Exact Word Target block) */
.mission-callout-box {
  background-color: #ffffff;
  border: 2px solid var(--color-marine-deep);
  border-radius: var(--border-radius);
  padding: 2.5rem;
  margin: 2.5rem 0;
  position: relative;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.mission-callout-box::before {
  content: "DÉCLARATION STATUTAIRE D'INTÉRÊT GÉNÉRAL";
  position: absolute;
  top: -12px;
  left: 2rem;
  background-color: var(--color-marine-deep);
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  padding: 0.25rem 0.85rem;
  border-radius: var(--border-radius);
}

.mission-statement-text {
  font-size: 1.125rem;
  line-height: 1.75;
  color: var(--color-text-primary);
  font-weight: 500;
}

/* Kinetic Swiss Grid Blocks */
.swiss-section {
  padding: 4rem 0;
  border-bottom: 1px solid var(--color-border);
}

.swiss-section:nth-child(even) {
  background-color: var(--color-surface);
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-alpine-teal);
  margin-bottom: 0.5rem;
}

.section-title {
  margin-top: 0;
}

/* Editorial 4 Cards Grid (Preview Cards) */
.activity-cards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}

.activity-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.activity-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 20px -5px rgba(15, 23, 42, 0.08);
}

.activity-card-media {
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background-color: var(--color-surface-subtle);
  border-bottom: 1px solid var(--color-border);
}

.activity-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.activity-card-content {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.activity-card-tag {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-alpine-teal);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.5rem;
}

.activity-card-title {
  font-size: 1.15rem;
  line-height: 1.3;
  margin-bottom: 0.85rem;
  margin-top: 0;
  border: none;
  padding-bottom: 0;
}

.activity-card-body {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--color-text-secondary);
  flex-grow: 1;
  margin-bottom: 1.25rem;
}

.btn-card-more {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  width: 100%;
  padding: 0.5rem 1rem;
  background-color: var(--color-surface-subtle);
  color: var(--color-marine-deep);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.875rem;
  text-decoration: none;
  transition: all 0.15s ease;
}

.btn-card-more:hover {
  background-color: var(--color-marine-deep);
  color: #ffffff;
  border-color: var(--color-marine-deep);
}

/* Two Column Editorial Layouts */
.editorial-split-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  margin-top: 2rem;
  align-items: start;
}

.editorial-split-3col {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 2rem;
}

.editorial-block {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 2rem;
  border-radius: var(--border-radius);
}

.editorial-block.highlight {
  border-left: 4px solid var(--color-marine-deep);
}

/* Clean Data Tables for Transparency */
.data-table-container {
  overflow-x: auto;
  margin: 2rem 0;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
}

.editorial-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
  text-align: left;
  background-color: var(--color-surface);
}

.editorial-table th {
  background-color: var(--color-marine-deep);
  color: #ffffff;
  padding: 1rem 1.25rem;
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: 0.03em;
}

.editorial-table td {
  padding: 0.9rem 1.25rem;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-secondary);
}

.editorial-table tr:nth-child(even) td {
  background-color: var(--color-surface-subtle);
}

.editorial-table tr:hover td {
  background-color: #e2e8f0;
}

/* Forms (Contact, Membership, etc.) */
.editorial-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  background-color: var(--color-surface);
  padding: 2.5rem;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-label {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.9375rem;
  color: var(--color-marine-deep);
}

.form-input, .form-textarea, .form-select {
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-text-primary);
  background-color: #ffffff;
  transition: border-color 0.2s ease;
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
  outline: none;
  border-color: var(--color-alpine-teal);
  box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
}

.form-textarea {
  min-height: 140px;
  resize: vertical;
}

/* Footer Architecture */
.site-footer {
  background-color: var(--color-marine-deep);
  color: #cbd5e1;
  border-top: 3px solid var(--color-amber-accent);
  padding-top: 4rem;
  margin-top: auto;
}

.footer-columns-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 2.5rem;
  padding-bottom: 3.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.footer-col h4 {
  color: #ffffff;
  font-size: 1rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1.25rem;
  position: relative;
  padding-bottom: 0.5rem;
}

.footer-col h4::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 28px;
  height: 2px;
  background-color: var(--color-amber-accent);
}

.footer-col p {
  color: #94a3b8;
  font-size: 0.875rem;
  line-height: 1.6;
}

.footer-links-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-links-list a {
  color: #cbd5e1;
  text-decoration: none;
  font-size: 0.875rem;
  transition: color 0.15s ease;
}

.footer-links-list a:hover {
  color: #38bdf8;
  text-decoration: underline;
}

.footer-contact-details {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  font-size: 0.875rem;
}

.footer-contact-details li {
  display: flex;
  flex-direction: column;
}

.footer-contact-details strong {
  color: #ffffff;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.footer-contact-details a {
  color: #38bdf8;
  text-decoration: none;
}

.footer-contact-details a:hover {
  text-decoration: underline;
}

/* Legal Footer Bottom */
.footer-bottom {
  padding: 2rem 0;
  background-color: #061729;
  font-size: 0.8125rem;
  line-height: 1.7;
  color: #94a3b8;
}

.footer-legal-statement {
  max-width: 1000px;
  margin: 0 auto;
  text-align: center;
}

/* Responsive Media Queries */
@media (max-width: 992px) {
  .hero-editorial-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  
  .activity-cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-columns-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
  
  .editorial-split-2col, .editorial-split-3col {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .header-inner {
    padding: 0.75rem 0;
  }
  
  .mobile-nav-toggle {
    display: flex;
  }
  
  .nav-container {
    display: none;
    width: 100%;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--color-surface);
    border-bottom: 2px solid var(--color-marine-deep);
    padding: 1.5rem;
    flex-direction: column;
    align-items: stretch;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
  }
  
  .nav-container.is-open {
    display: flex;
  }
  
  .nav-links-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0.5rem;
  }
  
  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: 1px solid var(--color-border);
    background-color: var(--color-surface-subtle);
    margin: 0.25rem 0 0.5rem 1rem;
    padding: 0.25rem 0;
  }
  
  .activity-cards-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-columns-grid {
    grid-template-columns: 1fr;
  }
  
  .top-utility-strip .container {
    flex-direction: column;
    text-align: center;
  }
}