/* RESET & FOUNDATION */
:root {
  --carbon-black: #0A0D0F;
  --graphite-surface: #151B1F;
  --industrial-slate: #202A2F;
  --steel-mist: #AEB8BC;
  --concrete-light: #D8D5CD;
  --porcelain-white: #F2F3F0;
  --oxide-copper: #B96E4A;
  --safety-amber: #E0A83A;
  --resin-teal: #3BA7A0;
  --cool-cyan: #66D5D2;
  --font-main: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 16px;
  --space-4: 24px;
  --space-5: 40px;
  --space-6: 64px;
  --glass-bg: rgba(21, 27, 31, 0.6);
  --glass-border: rgba(174, 184, 188, 0.15);
}

*, *::before, *::after { box-sizing: border-box; }
body, h1, h2, h3, p, ul { margin: 0; padding: 0; }
body {
  background-color: var(--carbon-black);
  color: var(--steel-mist);
  font-family: var(--font-main);
  line-height: 1.6;
  min-width: 320px;
  overflow-x: hidden;
}
img, svg { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: color 0.2s; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
[hidden] { display: none !important; }

/* TYPOGRAPHY */
h1, h2, h3, h4 { color: var(--porcelain-white); font-weight: 600; line-height: 1.2; margin-bottom: var(--space-3); }
h1 { font-size: clamp(2rem, 5vw, 3.5rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); margin-top: var(--space-5); }
h3 { font-size: 1.25rem; color: var(--concrete-light); margin-top: var(--space-4); }
p { margin-bottom: var(--space-3); }

/* LAYOUT */
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 var(--space-3); min-width: 0; }
.section-padding { padding: var(--space-6) 0; }
.w-100 { width: 100%; }

/* FOCUS STATES (Accessibility) */
:focus-visible {
  outline: 2px solid var(--resin-teal);
  outline-offset: 2px;
}

/* HEADER & NAVIGATION */
.site-header {
  position: relative;
  background: var(--carbon-black);
  border-bottom: 1px solid var(--industrial-slate);
  height: 64px;
  display: flex;
  align-items: center;
}
.header-inner { display: flex; justify-content: space-between; align-items: center; }
.brand-logo {
  display: flex; align-items: center; gap: var(--space-2);
  color: var(--porcelain-white); font-weight: 700; font-size: 1.1rem;
  overflow-wrap: anywhere;
}
.brand-logo:hover, .brand-logo:focus-visible { color: var(--resin-teal); }
.main-nav { display: flex; align-items: center; gap: var(--space-4); }
.nav-list { display: flex; gap: var(--space-4); align-items: center; }
.nav-list a { color: var(--concrete-light); font-size: 0.95rem; font-weight: 500; }
.nav-list a:hover, .nav-list a[aria-current="page"] { color: var(--resin-teal); }
.menu-toggle { display: none; padding: var(--space-2); color: var(--porcelain-white); }
.hamburger, .hamburger::before, .hamburger::after {
  display: block; width: 24px; height: 2px; background: currentColor; position: relative; transition: all 0.2s;
}
.hamburger::before, .hamburger::after { content: ''; position: absolute; left: 0; }
.hamburger::before { top: -6px; } .hamburger::after { bottom: -6px; }
.menu-toggle[aria-expanded="true"] .hamburger { background: transparent; }
.menu-toggle[aria-expanded="true"] .hamburger::before { transform: rotate(45deg); top: 0; }
.menu-toggle[aria-expanded="true"] .hamburger::after { transform: rotate(-45deg); bottom: 0; }

/* COMPONENTS */
.btn {
  display: inline-block; padding: 12px 24px; border-radius: 4px; font-weight: 600; text-align: center; transition: all 0.2s;
}
.btn-primary { background: var(--resin-teal); color: var(--carbon-black); }
.btn-primary:hover { background: var(--cool-cyan); }
.btn-secondary { background: var(--industrial-slate); color: var(--porcelain-white); border: 1px solid var(--glass-border); }
.btn-secondary:hover { background: var(--graphite-surface); border-color: var(--steel-mist); }
.btn-sm { padding: 8px 16px; font-size: 0.875rem; }

.glass-panel {
  background: var(--glass-bg); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border); border-radius: 8px; padding: var(--space-4);
}
.text-link { color: var(--resin-teal); text-decoration: underline; }
.text-link:hover { color: var(--cool-cyan); }

/* HERO SECTION */
.hero { position: relative; padding: 100px 0; overflow: hidden; display: flex; align-items: center; min-height: 80vh; }
.hero-background { position: absolute; inset: 0; z-index: -1; background: var(--carbon-black); opacity: 0.8; }
.hero-content { position: relative; z-index: 1; max-width: 700px; }
.meta-label { color: var(--oxide-copper); font-size: 0.875rem; font-weight: 600; text-transform: uppercase; letter-spacing: 1px; margin-bottom: var(--space-3); }
.hero-text-panel h1 { margin-bottom: var(--space-3); }
.hero-text-panel p { font-size: 1.125rem; margin-bottom: var(--space-5); color: var(--concrete-light); }
.hero-actions { display: flex; gap: var(--space-3); flex-wrap: wrap; }

/* GLASS OVERLAY CARDS */
.section-header { margin-bottom: var(--space-5); max-width: 600px; }
.section-header .subtitle { color: var(--concrete-light); font-size: 1.1rem; }
.cards-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: var(--space-4); min-width: 0;
}
.glass-overlay-card {
  position: relative; border-radius: 8px; overflow: hidden; aspect-ratio: 4/5;
  background: var(--graphite-surface); display: flex; flex-direction: column; justify-content: flex-end;
}
.glass-overlay-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 0; }
.card-panel {
  position: relative; z-index: 1; margin: var(--space-3); padding: var(--space-3);
  background: var(--glass-bg); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--glass-border); border-radius: 6px;
}
.card-label { display: block; font-size: 0.75rem; color: var(--oxide-copper); margin-bottom: var(--space-1); font-weight: 600; }
.card-panel h3 { margin: 0 0 var(--space-1) 0; font-size: 1.25rem; color: var(--porcelain-white); }
.card-meta { font-size: 0.875rem; color: var(--concrete-light); margin-bottom: var(--space-3); }
.card-cta { display: inline-block; font-size: 0.875rem; color: var(--resin-teal); font-weight: 600; }
.glass-overlay-card:hover .card-cta { color: var(--cool-cyan); }

/* SUB-PAGE CONTENT */
.content-page { min-height: 60vh; }
.layout-grid { display: grid; grid-template-columns: 1fr; gap: var(--space-6); }
.main-content { max-width: 800px; margin: 0 auto; }
.lead-text { font-size: 1.125rem; color: var(--concrete-light); margin-bottom: var(--space-5); }
.content-hero-img { width: 100%; height: auto; max-height: 400px; object-fit: cover; border-radius: 8px; margin-bottom: var(--space-5); border: 1px solid var(--industrial-slate); }
.content-list { margin-bottom: var(--space-4); padding-left: var(--space-4); list-style: disc; color: var(--steel-mist); }
.content-list li { margin-bottom: var(--space-2); }
.content-list strong { color: var(--concrete-light); }
.info-panel { margin: var(--space-5) 0; border-left: 4px solid var(--oxide-copper); }
.info-panel .panel-title { margin-top: 0; color: var(--oxide-copper); }
.related-guides { margin-top: var(--space-6); padding-top: var(--space-4); border-top: 1px solid var(--industrial-slate); }
.related-guides ul { display: flex; flex-direction: column; gap: var(--space-2); }
.related-guides a { color: var(--resin-teal); text-decoration: none; }
.related-guides a:hover { text-decoration: underline; }
.cta-block { margin-top: var(--space-6); padding: var(--space-5); background: var(--graphite-surface); border-radius: 8px; text-align: center; border: 1px solid var(--industrial-slate); }

/* CONTACT PAGE */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-6); }
.contact-details-block { margin-bottom: var(--space-4); }
.form-group { margin-bottom: var(--space-4); position: relative; }
.form-group label { display: block; margin-bottom: var(--space-2); color: var(--concrete-light); font-weight: 500; font-size: 0.95rem; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 12px; background: var(--carbon-black); border: 1px solid var(--industrial-slate);
  color: var(--porcelain-white); border-radius: 4px; font-family: inherit; font-size: 1rem;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--resin-teal); outline: none; box-shadow: 0 0 0 1px var(--resin-teal);
}
.error-message { display: none; color: var(--safety-amber); font-size: 0.85rem; margin-top: 4px; }
.is-invalid input, .is-invalid select, .is-invalid textarea { border-color: var(--safety-amber); }
.is-invalid .error-message { display: block; }
.form-status { margin-top: var(--space-4); padding: var(--space-3); border-radius: 4px; }
.form-status.is-success { background: rgba(59, 167, 160, 0.1); border: 1px solid var(--resin-teal); color: var(--resin-teal); }

/* CONTACT PAGE READABLE PANELS */
.readable-panel {
  background: var(--porcelain-white);
  color: var(--carbon-black);
  border-radius: 8px;
  padding: var(--space-4);
  border: 1px solid var(--concrete-light);
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}
.readable-panel h2, .readable-panel h3 {
  color: var(--carbon-black);
}
.readable-panel p, .readable-panel label {
  color: var(--industrial-slate);
}
.readable-panel .text-link {
  color: #2B7A75;
  font-weight: 600;
}
.readable-panel .text-link:hover {
  color: #1F5C58;
}
.readable-panel .form-group label {
  color: var(--industrial-slate);
  font-weight: 600;
}
.readable-panel input, .readable-panel select, .readable-panel textarea {
  background: #ffffff;
  color: var(--carbon-black);
  border: 1px solid var(--steel-mist);
}
.readable-panel input:focus, .readable-panel select:focus, .readable-panel textarea:focus {
  border-color: var(--resin-teal);
  box-shadow: 0 0 0 2px rgba(59, 167, 160, 0.2);
}
.readable-panel .error-message {
  color: #D32F2F;
}
.readable-panel .is-invalid input, 
.readable-panel .is-invalid select, 
.readable-panel .is-invalid textarea {
  border-color: #D32F2F;
}
.readable-panel .form-status.is-success {
  color: #1F5C58;
  background: rgba(59, 167, 160, 0.15);
}

/* LEGAL PAGES */
.legal-page { min-height: 60vh; }
.legal-content { max-width: 800px; margin: 0 auto; }
.legal-content h2 { margin-top: var(--space-5); font-size: 1.5rem; }
.legal-content ul { padding-left: var(--space-4); list-style: disc; margin-bottom: var(--space-4); }
.legal-content li { margin-bottom: var(--space-1); }
.cookie-table { width: 100%; border-collapse: collapse; margin-top: var(--space-3); font-size: 0.9rem; text-align: left; }
.cookie-table th, .cookie-table td { border: 1px solid var(--industrial-slate); padding: 12px; }
.cookie-table th { background: var(--carbon-black); color: var(--porcelain-white); }
.table-responsive { overflow-x: auto; -webkit-overflow-scrolling: touch; }

/* FOOTER */
.site-footer { background: var(--graphite-surface); border-top: 1px solid var(--industrial-slate); padding-top: var(--space-6); margin-top: var(--space-6); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: var(--space-5); padding-bottom: var(--space-5); min-width: 0; }
.footer-brand .brand-logo { margin-bottom: var(--space-3); }
.company-details { color: var(--steel-mist); font-size: 0.9rem; margin-bottom: var(--space-3); }
.contact-details .footer-link { color: var(--porcelain-white); }
.contact-details .footer-link:hover { color: var(--resin-teal); }
.footer-domain-link { display: inline-block; margin-top: var(--space-2); color: var(--resin-teal); font-weight: 600; text-decoration: none; overflow-wrap: anywhere; }
.footer-domain-link:hover, .footer-domain-link:focus-visible { color: var(--cool-cyan); text-decoration: underline; }
.footer-nav h4 { color: var(--porcelain-white); margin-bottom: var(--space-3); font-size: 1.1rem; }
.footer-nav ul { display: flex; flex-direction: column; gap: var(--space-2); }
.footer-nav a { color: var(--steel-mist); font-size: 0.95rem; }
.footer-nav a:hover, .footer-nav a:focus-visible { color: var(--porcelain-white); }
.footer-bottom { border-top: 1px solid var(--industrial-slate); padding: var(--space-4) var(--space-3); text-align: center; font-size: 0.85rem; }

/* COOKIE BANNER */
.cookie-banner {
  position: fixed; bottom: 0; left: 0; width: 100%;
  background: var(--carbon-black); border-top: 1px solid var(--industrial-slate);
  padding: var(--space-4); z-index: 9999;
  display: flex; flex-direction: column; gap: var(--space-3);
  box-shadow: 0 -4px 24px rgba(0,0,0,0.5);
}
.cookie-banner[hidden] { display: none; }
.cookie-banner.is-visible { display: flex; }
.cookie-content h4 { margin: 0 0 var(--space-1) 0; }
.cookie-content p { margin: 0; font-size: 0.9rem; }
.cookie-content a { color: var(--resin-teal); text-decoration: underline; }
.cookie-actions { display: flex; gap: var(--space-2); flex-wrap: wrap; }

/* RESPONSIVE DESIGN */
@media (min-width: 768px) {
  .cookie-banner { flex-direction: row; justify-content: space-between; align-items: center; }
  .cookie-actions { flex-wrap: nowrap; }
}

@media (max-width: 767px) {
  .site-header { padding: 0 var(--space-3); }
  .container { padding: 0 var(--space-3); }
  .main-nav {
    position: absolute; top: 64px; left: 0; right: 0;
    background: var(--carbon-black); border-bottom: 1px solid var(--industrial-slate);
    flex-direction: column; padding: var(--space-4);
    transform: translateY(-150%); opacity: 0; visibility: hidden;
    transition: transform 0.3s ease, opacity 0.3s ease, visibility 0.3s;
    box-shadow: 0 4px 12px rgba(0,0,0,0.5);
  }
  .main-nav.is-open { transform: translateY(0); opacity: 1; visibility: visible; }
  .nav-list { flex-direction: column; width: 100%; align-items: flex-start; }
  .nav-list li { width: 100%; }
  .nav-list a { display: block; padding: var(--space-2) 0; border-bottom: 1px solid var(--industrial-slate); width: 100%; }
  .nav-cta { width: 100%; text-align: center; margin-top: var(--space-3); }
  .menu-toggle { display: block; }
  .hero { padding: 60px 0; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: var(--space-4); }
}

@media (max-width: 400px) {
  h1 { font-size: 1.75rem; }
  .cards-grid { grid-template-columns: 1fr; }
  .cookie-actions { flex-direction: column; width: 100%; }
  .cookie-actions button { width: 100%; }
}

@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; }
}