/* ==========================================================================
   INDUS POWER MYANMAR LIMITED (IPML) - CORPORATE DESIGN SYSTEM
   Plain, credible, high-contrast engineering aesthetic.
   No frameworks, no CDN dependencies, WCAG AA compliant.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. FONT FACES (Self-hosted WOFF2 with font-display: swap)
   -------------------------------------------------------------------------- */
@font-face {
  font-family: 'Source Serif 4';
  font-style: normal;
  font-weight: 400 900;
  font-display: swap;
  src: url('../fonts/source-serif-4.woff2') format('woff2');
}

@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url('../fonts/inter.woff2') format('woff2');
}

/* --------------------------------------------------------------------------
   2. DESIGN TOKENS
   -------------------------------------------------------------------------- */
:root {
  /* Color Palette */
  --bg: #F6F4EF;
  --surface: #FFFFFF;
  --navy: #0F2A43;
  --ink: #16212B;
  --muted: #4A5763;
  --line: #D9D5CB;
  --accent: #C8511B;
  --accent-hover: #AA4213;

  /* Functional Validation States (Forms Only) */
  --success: #1E7E34;
  --success-bg: #EAF7EE;
  --error: #C5221F;
  --error-bg: #FDF2F2;

  /* Typography */
  --font-serif: 'Source Serif 4', Georgia, 'Times New Roman', serif;
  --font-sans: 'Inter', 'Noto Sans Myanmar', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;

  /* Spacing Grid (8px baseline) */
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-5: 40px;
  --space-6: 48px;
  --space-7: 56px;
  --space-8: 64px;
  --space-10: 80px;
  --space-12: 96px;

  /* Layout */
  --max-width: 1160px;
  --max-text: 68ch;
  --radius: 4px;
  --shadow-subtle: 0 1px 3px rgba(15, 42, 67, 0.06);
  --shadow-card: 0 2px 8px rgba(15, 42, 67, 0.08);

  /* Transitions */
  --transition-fast: 150ms ease;
}

/* --------------------------------------------------------------------------
   3. RESET & BASE STYLES
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  overflow-x: hidden;
}

body {
  font-family: var(--font-sans);
  font-size: 1.0625rem; /* 17px */
  line-height: 1.65;
  color: var(--ink);
  background-color: var(--bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  width: 100%;
}

main {
  flex: 1 0 auto;
}

/* Headings */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  color: var(--navy);
  font-weight: 700;
  line-height: 1.25;
  text-rendering: optimizeLegibility;
  overflow-wrap: break-word;
}

h1 {
  font-size: clamp(2rem, 4vw, 3.4rem);
  letter-spacing: -0.015em;
  margin-bottom: var(--space-3);
}

h2 {
  font-size: 2rem;
  letter-spacing: -0.01em;
  margin-bottom: var(--space-3);
}

h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-2);
}

h4 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--space-1);
}

p {
  margin-bottom: var(--space-3);
  max-width: var(--max-text);
  color: var(--ink);
}

p.lead {
  font-size: 1.2rem;
  line-height: 1.6;
  color: var(--muted);
  margin-bottom: var(--space-4);
}

a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition-fast);
}

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

a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--navy);
  outline-offset: 2px;
}

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

ul, ol {
  padding-left: var(--space-4);
  margin-bottom: var(--space-3);
  max-width: var(--max-text);
}

li {
  margin-bottom: var(--space-1);
}

/* Skip Link */
.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-2);
  background: var(--navy);
  color: #FFFFFF;
  padding: var(--space-2) var(--space-3);
  z-index: 1000;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius);
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-2);
}

/* --------------------------------------------------------------------------
   4. LAYOUT UTILITIES & CONTAINERS
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-2);
  padding-right: var(--space-2);
}

@media (min-width: 768px) {
  .container {
    padding-left: var(--space-3);
    padding-right: var(--space-3);
  }
}

.section {
  padding-top: var(--space-7); /* 56px on mobile */
  padding-bottom: var(--space-7);
}

@media (min-width: 768px) {
  .section {
    padding-top: var(--space-10); /* 80px */
    padding-bottom: var(--space-10);
  }
}

@media (min-width: 1024px) {
  .section {
    padding-top: var(--space-12); /* 96px */
    padding-bottom: var(--space-12);
  }
}

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

.section-navy {
  background-color: var(--navy);
  color: #FFFFFF;
}

.section-navy h1, .section-navy h2, .section-navy h3 {
  color: #FFFFFF;
}

.section-navy p {
  color: #E0E5EA;
}

.section-header {
  margin-bottom: var(--space-6);
}

.section-tag {
  display: inline-block;
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: var(--space-1);
}

.section-navy .section-tag {
  color: #E88352;
}

/* Grid Layouts */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

.grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

.grid-4 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

@media (min-width: 640px) {
  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
  .grid-4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Two-column Content Split */
.content-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  align-items: center;
}

@media (min-width: 840px) {
  .content-split {
    grid-template-columns: 1fr 1fr;
  }
}

/* --------------------------------------------------------------------------
   5. BUTTONS
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  font-size: 1rem;
  font-weight: 600;
  font-family: var(--font-sans);
  line-height: 1.4;
  border-radius: var(--radius);
  text-decoration: none;
  cursor: pointer;
  transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
  border: 1px solid transparent;
  text-align: center;
}

.btn-primary {
  background-color: var(--accent);
  color: #FFFFFF;
  border-color: var(--accent);
}

.btn-primary:hover {
  background-color: var(--accent-hover);
  border-color: var(--accent-hover);
  color: #FFFFFF;
}

.btn-secondary {
  background-color: transparent;
  color: var(--navy);
  border-color: var(--navy);
}

.btn-secondary:hover {
  background-color: var(--navy);
  color: #FFFFFF;
}

.btn-secondary-light {
  background-color: transparent;
  color: #FFFFFF;
  border-color: #FFFFFF;
}

.btn-secondary-light:hover {
  background-color: #FFFFFF;
  color: var(--navy);
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: center;
  margin-top: var(--space-4);
}

/* --------------------------------------------------------------------------
   6. HEADER & NAVIGATION
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--surface);
  border-bottom: 1px solid var(--line);
  box-shadow: var(--shadow-subtle);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  color: var(--navy);
}

.brand-logo-img {
  height: 48px;
  width: auto;
  object-fit: contain;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.1;
  color: var(--navy);
}

.brand-tagline {
  font-size: 0.75rem;
  color: var(--muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Navigation Links */
.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.nav-list {
  display: flex;
  align-items: center;
  list-style: none;
  gap: var(--space-3);
  margin: 0;
  padding: 0;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--ink);
  text-decoration: none;
  padding: 8px 4px;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-link:hover, .nav-link[aria-current="page"] {
  color: var(--navy);
  font-weight: 600;
}

.nav-link[aria-current="page"]::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--accent);
}

/* Dropdown Menu */
.nav-dropdown {
  position: relative;
}

.dropdown-toggle {
  display: flex;
  align-items: center;
  gap: 4px;
  background: none;
  border: none;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--ink);
  cursor: pointer;
  padding: 8px 4px;
}

.dropdown-toggle:hover {
  color: var(--navy);
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  min-width: 250px;
  padding: var(--space-1) 0;
  list-style: none;
  margin-top: 4px;
  display: none;
  z-index: 110;
}

.nav-dropdown:hover .dropdown-menu,
.nav-dropdown:focus-within .dropdown-menu {
  display: block;
}

.dropdown-menu li {
  margin: 0;
  padding: 0;
}

.dropdown-link {
  display: block;
  padding: 10px 16px;
  font-size: 0.9rem;
  color: var(--ink);
  text-decoration: none;
  transition: background-color var(--transition-fast);
}

.dropdown-link:hover {
  background-color: var(--bg);
  color: var(--accent);
}

/* Header Utilities */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.lang-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--muted);
  font-weight: 500;
  padding: 5px 12px;
  background-color: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  white-space: nowrap;
  line-height: 1.4;
  user-select: none;
}

.lang-toggle .lang-code {
  display: inline-block;
}

.lang-toggle .lang-code.active {
  color: var(--navy);
  font-weight: 700;
}

.lang-toggle .lang-divider {
  color: #9AA7B4;
  font-weight: 400;
  user-select: none;
}

.lang-toggle .lang-mm {
  font-family: 'Noto Sans Myanmar', 'Padauk', sans-serif;
  font-size: 0.825rem;
  letter-spacing: 0.02em;
}

/* Mobile Menu Toggle */
.mobile-menu-btn {
  display: none;
  background: none;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 8px;
  cursor: pointer;
  color: var(--navy);
}

@media (max-width: 960px) {
  .mobile-menu-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .site-nav {
    position: fixed;
    top: 76px;
    left: 0;
    right: 0;
    background-color: var(--surface);
    border-bottom: 2px solid var(--line);
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-4);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
    display: none;
  }

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

  .nav-list {
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
    gap: var(--space-2);
  }

  .nav-dropdown {
    width: 100%;
  }

  .dropdown-menu {
    position: static;
    display: block;
    box-shadow: none;
    border: none;
    padding-left: var(--space-3);
    margin-top: 0;
  }

  .header-actions {
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
    margin-top: var(--space-3);
    padding-top: var(--space-3);
    border-top: 1px solid var(--line);
  }

  .header-actions .btn {
    width: 100%;
  }
}

/* --------------------------------------------------------------------------
   7. HERO SECTION (Real tower photo with 55% Navy Overlay)
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  background-color: var(--navy);
  color: #FFFFFF;
  padding: var(--space-10) 0;
  min-height: 480px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

@media (min-width: 768px) {
  .hero {
    padding: var(--space-12) 0;
    min-height: 540px;
  }
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(15, 42, 67, 0.65); /* Navy overlay */
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  max-width: 780px;
}

.hero h1 {
  color: #FFFFFF;
  margin-bottom: var(--space-3);
}

.hero p {
  color: #E2E8F0;
  font-size: 1.25rem;
  line-height: 1.6;
  margin-bottom: var(--space-5);
}

/* --------------------------------------------------------------------------
   8. PAGE HEADERS (Inner Pages)
   -------------------------------------------------------------------------- */
.page-header {
  background-color: var(--navy);
  color: #FFFFFF;
  padding: var(--space-8) 0;
  border-bottom: 3px solid var(--accent);
}

.page-header h1 {
  color: #FFFFFF;
  margin-bottom: var(--space-2);
}

.page-header p {
  color: #D3DDE6;
  font-size: 1.15rem;
  max-width: var(--max-text);
  margin-bottom: 0;
}

.breadcrumb {
  display: flex;
  gap: var(--space-1);
  font-size: 0.85rem;
  color: #A0B4C8;
  margin-bottom: var(--space-3);
  list-style: none;
  padding: 0;
}

.breadcrumb a {
  color: #FFFFFF;
  text-decoration: none;
}

.breadcrumb a:hover {
  text-decoration: underline;
}

.breadcrumb span {
  color: #7A90A8;
}

/* --------------------------------------------------------------------------
   9. CARDS & GRID COMPONENTS
   -------------------------------------------------------------------------- */
.card {
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: var(--space-4);
  box-shadow: var(--shadow-subtle);
  display: flex;
  flex-direction: column;
}

.card-service {
  padding: 0;
  overflow: hidden;
  height: 100%;
}

.card-img-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  background-color: #E6E2D8;
}

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

.card-body {
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.card-title {
  color: var(--navy);
  font-size: 1.25rem;
  margin-bottom: var(--space-2);
}

.card-text {
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: var(--space-4);
  flex-grow: 1;
}

.card-link {
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  margin-top: auto;
}

.card-link:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

/* Value / Feature Cards */
.feature-item {
  border-left: 3px solid var(--accent);
  padding-left: var(--space-3);
}

.feature-item h3 {
  margin-bottom: var(--space-1);
}

.feature-item p {
  color: var(--muted);
  font-size: 0.95rem;
  margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   10. TABLES (Clean, accessible, responsive)
   -------------------------------------------------------------------------- */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-bottom: var(--space-4);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: var(--surface);
}

.table-clean {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.95rem;
}

.table-clean th,
.table-clean td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
}

.table-clean th {
  background-color: #EFECE4;
  color: var(--navy);
  font-weight: 700;
  font-family: var(--font-sans);
  text-transform: uppercase;
  font-size: 0.825rem;
  letter-spacing: 0.05em;
}

.table-clean tr:last-child td {
  border-bottom: none;
}

.table-clean tr:hover td {
  background-color: #FAF9F6;
}

/* --------------------------------------------------------------------------
   11. CLIENT LOGOS STRIP (Static Grayscale Row)
   -------------------------------------------------------------------------- */
.client-strip {
  padding: var(--space-6) 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background-color: var(--surface);
}

.client-intro {
  text-align: left;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-4);
}

.client-grid {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.client-logo-item {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 48px;
  filter: grayscale(100%);
  opacity: 0.75;
  transition: opacity var(--transition-fast), filter var(--transition-fast);
}

.client-logo-item:hover {
  filter: grayscale(0%);
  opacity: 1;
}

.client-logo-item img {
  max-height: 40px;
  max-width: 130px;
  width: auto;
  object-fit: contain;
}

/* --------------------------------------------------------------------------
   12. PROCESS TIMELINE & STEPS (Sequential, Balanced Engineering Layout)
   -------------------------------------------------------------------------- */
.process-timeline {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.timeline-item {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: var(--space-4);
  box-shadow: var(--shadow-subtle);
  transition: border-color var(--transition-fast);
}

.timeline-item:hover {
  border-color: var(--navy);
}

.timeline-marker {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  background-color: var(--navy);
  color: #FFFFFF;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-family: var(--font-serif);
  font-size: 1.25rem;
}

.timeline-body {
  flex: 1;
}

.timeline-body h3 {
  color: var(--navy);
  font-size: 1.15rem;
  margin-bottom: var(--space-1);
  line-height: 1.35;
}

.timeline-body p {
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 0;
  max-width: none;
}

/* Backward-compatible process-list rules */
.process-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.process-step {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: var(--space-4);
  box-shadow: var(--shadow-subtle);
}

.step-number {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  background-color: var(--navy);
  color: #FFFFFF;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-family: var(--font-serif);
  font-size: 1.25rem;
}

.step-content {
  flex: 1;
}

.step-content h3 {
  margin-bottom: var(--space-1);
  color: var(--navy);
  font-size: 1.15rem;
}

.step-content p {
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 0;
  max-width: none;
}

/* --------------------------------------------------------------------------
   13. PROJECTS GALLERY & FILTER
   -------------------------------------------------------------------------- */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
}

.filter-btn {
  background-color: var(--surface);
  border: 1px solid var(--line);
  color: var(--ink);
  padding: 8px 18px;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.filter-btn:hover {
  background-color: #EFECE4;
}

.filter-btn.active, .filter-btn[aria-pressed="true"] {
  background-color: var(--navy);
  color: #FFFFFF;
  border-color: var(--navy);
}

.project-card {
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.project-thumb-btn {
  display: block;
  width: 100%;
  border: none;
  background: none;
  padding: 0;
  cursor: pointer;
  text-align: left;
  position: relative;
}

.project-thumb-btn:focus-visible {
  outline: 3px solid var(--navy);
  outline-offset: -3px;
}

.project-meta {
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.project-category {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 4px;
}

.project-title {
  font-size: 1.15rem;
  margin-bottom: var(--space-1);
  color: var(--navy);
}

.project-desc {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.5;
  margin-bottom: 0;
}

/* Lightbox Dialog */
dialog.lightbox-dialog {
  margin: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: var(--space-4);
  max-width: 900px;
  width: 90vw;
  background-color: var(--surface);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

dialog::backdrop {
  background-color: rgba(15, 42, 67, 0.8);
}

.dialog-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-3);
}

.dialog-close {
  background: none;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 6px 12px;
  cursor: pointer;
  font-weight: 600;
}

.dialog-img-wrap {
  width: 100%;
  max-height: 65vh;
  overflow: hidden;
  background-color: #000;
  margin-bottom: var(--space-3);
}

.dialog-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* --------------------------------------------------------------------------
   14. FORMS & INPUTS
   -------------------------------------------------------------------------- */
.form-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

@media (min-width: 600px) {
  .form-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3);
  }
}

.form-group {
  display: flex;
  flex-direction: column;
  margin-bottom: var(--space-3);
}

.form-label {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 6px;
}

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

.form-control {
  width: 100%;
  padding: 12px 14px;
  font-size: 1rem;
  font-family: var(--font-sans);
  color: var(--ink);
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color var(--transition-fast);
}

.form-control:focus {
  border-color: var(--navy);
}

.form-control.is-invalid {
  border-color: var(--error);
  background-color: var(--error-bg);
}

.form-error {
  font-size: 0.85rem;
  color: var(--error);
  margin-top: 4px;
  display: none;
}

.form-error.is-visible {
  display: block;
}

.form-status {
  padding: var(--space-3);
  border-radius: var(--radius);
  margin-bottom: var(--space-4);
  font-size: 0.95rem;
  display: none;
}

.form-status.is-success {
  display: block;
  background-color: var(--success-bg);
  border: 1px solid var(--success);
  color: var(--success);
}

.form-status.is-error {
  display: block;
  background-color: var(--error-bg);
  border: 1px solid var(--error);
  color: var(--error);
}

/* --------------------------------------------------------------------------
   15. FOOTER
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: var(--navy);
  color: #D3DDE6;
  border-top: 4px solid var(--accent);
  padding-top: var(--space-10);
  padding-bottom: var(--space-6);
  font-size: 0.95rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

@media (min-width: 900px) {
  .footer-grid {
    grid-template-columns: 1.2fr 1fr 1fr;
  }
}

.consultancy-step {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--line);
}

.consultancy-step:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.consultancy-step .step-number {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  background-color: var(--navy);
  color: #FFFFFF;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
}

.site-footer h3, .site-footer h4 {
  color: #FFFFFF;
  font-size: 1.15rem;
  margin-bottom: var(--space-3);
}

.site-footer p {
  color: #C0CDD8;
  font-size: 0.95rem;
  margin-bottom: var(--space-2);
}

.site-footer a {
  color: #E0EBF5;
  text-decoration: none;
}

.site-footer a:hover {
  color: #FFFFFF;
  text-decoration: underline;
}

.footer-nav-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-nav-list li {
  margin-bottom: 8px;
}

.footer-bottom {
  margin-top: var(--space-8);
  padding-top: var(--space-4);
  border-top: 1px solid rgba(217, 213, 203, 0.2);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: #9AAEC0;
}

.footer-bottom-links {
  display: flex;
  gap: var(--space-3);
  list-style: none;
  padding: 0;
  margin: 0;
}

/* --------------------------------------------------------------------------
   16. ACCESSIBILITY & PRINT
   -------------------------------------------------------------------------- */
@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;
  }
}

@media print {
  .site-header, .site-footer, .btn, .mobile-menu-btn, .skip-link, .filter-bar {
    display: none !important;
  }
  body {
    background: #FFF;
    color: #000;
  }
  a[href^="http"]:after {
    content: " (" attr(href) ")";
  }
}