/* ============================================================
   BAYUT CONSTRUCTIONS — DESIGN SYSTEM
   ============================================================ */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Playfair+Display:wght@600;700&display=swap');

/* ============================================================
   CSS CUSTOM PROPERTIES (Design Tokens)
   ============================================================ */
:root {
  /* Primary Brand Colors */
  --color-primary: #D4A017;         /* Gold / Amber */
  --color-primary-light: #F0BE3A;   /* Light gold */
  --color-primary-dark: #A87D0F;    /* Dark gold */
  --color-primary-rgb: 212, 160, 23;

  /* Dark Colors */
  --color-dark: #0A0D14;            /* Near black */
  --color-dark-2: #111420;          /* Dark navy */
  --color-dark-3: #1A1F30;          /* Slightly lighter */
  --color-dark-4: #242840;          /* Card background */

  /* Gray Scale */
  --color-gray-1: #6B7280;
  --color-gray-2: #9CA3AF;
  --color-gray-3: #D1D5DB;
  --color-gray-4: #F3F4F6;
  --color-gray-5: #F9FAFB;

  /* Text Colors */
  --color-text-primary: #FFFFFF;
  --color-text-secondary: #CBD5E0;
  --color-text-muted: #8A94A6;
  --color-text-dark: #0A0D14;
  --color-text-dark-muted: #4B5563;

  /* Status Colors */
  --color-success: #10B981;
  --color-error: #EF4444;
  --color-warning: #F59E0B;
  --color-info: #3B82F6;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-serif: 'Playfair Display', Georgia, serif;

  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  --font-size-6xl: 3.75rem;

  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;

  --line-height-tight: 1.25;
  --line-height-normal: 1.6;
  --line-height-loose: 1.8;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Borders */
  --border-radius-sm: 4px;
  --border-radius: 8px;
  --border-radius-md: 12px;
  --border-radius-lg: 16px;
  --border-radius-xl: 24px;
  --border-radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
  --shadow: 0 4px 16px rgba(0,0,0,0.25);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.35);
  --shadow-gold: 0 8px 32px rgba(212, 160, 23, 0.25);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition: 250ms ease;
  --transition-slow: 400ms ease;

  /* Container */
  --container-max: 1280px;
  --container-padding: 1.5rem;

  /* Header */
  --header-height: 80px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-normal);
  color: var(--color-text-primary);
  background-color: var(--color-dark);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  font-family: inherit;
  border: none;
  background: none;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

h1, h2, h3, h4, h5, h6 {
  line-height: var(--line-height-tight);
  font-weight: var(--font-weight-bold);
}

/* ============================================================
   TYPOGRAPHY
   ============================================================ */
.heading-display {
  font-family: var(--font-serif);
  font-size: var(--font-size-5xl);
  font-weight: var(--font-weight-bold);
  line-height: 1.1;
}

.heading-xl {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  line-height: 1.2;
}

.heading-lg {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  line-height: 1.25;
}

.heading-md {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
}

.heading-sm {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
}

.text-gold { color: var(--color-primary); }
.text-muted { color: var(--color-text-muted); }
.text-secondary { color: var(--color-text-secondary); }

/* ============================================================
   LAYOUT
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.section {
  padding: var(--space-20) 0;
}

.section-sm {
  padding: var(--space-12) 0;
}

.section-lg {
  padding: var(--space-32) 0;
}

/* Section Header */
.section-header {
  margin-bottom: var(--space-12);
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.section-label::before {
  content: '';
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-primary);
}

.section-title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  line-height: 1.2;
  margin-bottom: var(--space-4);
}

.section-desc {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  max-width: 640px;
  line-height: var(--line-height-loose);
}

/* Grid System */
.grid {
  display: grid;
  gap: var(--space-6);
  align-items: stretch;
}

.grid > * {
  height: 100%;
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 992px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

.flex {
  display: flex;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.75rem 1.75rem;
  border-radius: var(--border-radius);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-sm);
  letter-spacing: 0.02em;
  transition: all var(--transition);
  white-space: nowrap;
  cursor: pointer;
  text-decoration: none;
  border: 2px solid transparent;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-dark);
  border-color: var(--color-primary);
}

.btn-primary:hover {
  background: var(--color-primary-light);
  border-color: var(--color-primary-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-gold);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: var(--color-dark);
  transform: translateY(-2px);
}

.btn-white {
  background: white;
  color: var(--color-dark);
  border-color: white;
}

.btn-white:hover {
  background: var(--color-gray-4);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-secondary);
  border-color: rgba(255,255,255,0.2);
}

.btn-ghost:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-sm {
  padding: 0.5rem 1.25rem;
  font-size: var(--font-size-xs);
}

.btn-lg {
  padding: 1rem 2.5rem;
  font-size: var(--font-size-base);
}

.btn-icon {
  width: 44px;
  height: 44px;
  padding: 0;
  border-radius: var(--border-radius-full);
}

/* WhatsApp button */
.btn-whatsapp {
  background: #25D366;
  color: white;
  border-color: #25D366;
}

.btn-whatsapp:hover {
  background: #1DAE54;
  border-color: #1DAE54;
  transform: translateY(-2px);
}

/* ============================================================
   CARDS
   ============================================================ */
.card {
  background: var(--color-dark-3);
  border-radius: var(--border-radius-lg);
  border: 1px solid rgba(255,255,255,0.06);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(212, 160, 23, 0.3);
}

.card-body {
  padding: var(--space-6);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.card-img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
}

.card-category {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.card-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-3);
  line-height: 1.3;
}

.card-desc {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-loose);
}

/* ============================================================
   HEADER & NAVIGATION
   ============================================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  display: flex;
  align-items: center;
  background: rgba(10, 13, 20, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.05);
  transition: all var(--transition);
}

.header > .container {
  width: 100%;
  height: 100%;
}

.header.scrolled {
  box-shadow: 0 4px 30px rgba(0,0,0,0.5);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  flex-shrink: 0;
}

.logo-img {
  height: 40px;
  width: auto;
  object-fit: contain;
  display: block;
  transition: transform var(--transition);
}

.logo-img:hover {
  transform: scale(1.03);
}

.footer-brand .logo-img {
  height: 56px;
  margin-bottom: var(--space-4);
}

.logo-icon {
  width: 42px;
  height: 42px;
}

.logo-text {
  line-height: 1.1;
}

.logo-name {
  display: block;
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: white;
  letter-spacing: -0.01em;
}

.logo-name span {
  color: var(--color-primary);
}

.logo-tagline {
  display: block;
  font-size: 0.65rem;
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

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

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 0.5rem 0.5rem;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  border-radius: var(--border-radius-sm);
  transition: color var(--transition), background var(--transition);
  white-space: nowrap;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-primary);
}

.nav-link svg {
  width: 14px;
  height: 14px;
  transition: transform var(--transition);
}

.nav-item:hover .nav-link svg {
  transform: rotate(180deg);
}

/* Dropdown */
.dropdown {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  min-width: 220px;
  background: var(--color-dark-3);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.2s ease, visibility 0.2s ease, transform 0.2s ease;
  padding: var(--space-2) 0;
  z-index: 100;
  margin-top: 6px;
}

/* Invisible hover bridge to prevent dropdown from disappearing when moving cursor down */
.dropdown::after {
  content: '';
  position: absolute;
  top: -16px;
  left: -20px;
  right: -20px;
  height: 16px;
  background: transparent;
}

.dropdown::before {
  content: '';
  position: absolute;
  top: -6px;
  left: 50%;
  width: 10px;
  height: 10px;
  background: var(--color-dark-3);
  border-top: 1px solid rgba(255,255,255,0.08);
  border-left: 1px solid rgba(255,255,255,0.08);
  transform: translateX(-50%) rotate(45deg);
  z-index: 1;
}

.nav-item:hover .dropdown,
.nav-item:focus-within .dropdown {
  opacity: 1;
  visibility: visible;
  pointer-events: all;
}

.dropdown-link {
  display: block;
  padding: 0.5rem 1rem;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  transition: color var(--transition), background var(--transition);
  border-radius: 0;
}

.dropdown-link:hover {
  color: var(--color-primary);
  background: rgba(212, 160, 23, 0.08);
  padding-left: 1.25rem;
}

.dropdown-divider {
  height: 1px;
  background: rgba(255,255,255,0.06);
  margin: var(--space-2) 0;
}

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

.header-phone {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  transition: color var(--transition);
}

.header-phone:hover {
  color: var(--color-primary);
}

/* Mobile Menu Toggle */
.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border-radius: var(--border-radius-sm);
  transition: background var(--transition);
}

.mobile-toggle:hover {
  background: rgba(255,255,255,0.05);
}

.mobile-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: 2px;
  transition: all var(--transition);
  transform-origin: center;
}

.mobile-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-toggle.open span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.mobile-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Navigation */
.mobile-nav {
  display: none;
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-dark-2);
  z-index: 999;
  overflow-y: auto;
  padding: var(--space-6);
  transform: translateX(100%);
  transition: transform var(--transition-slow);
}

.mobile-nav.open {
  transform: translateX(0);
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) 0;
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: color var(--transition);
}

.mobile-nav-link:hover {
  color: var(--color-primary);
}

.mobile-nav-link.has-sub {
  cursor: pointer;
}

.mobile-sub {
  padding-left: var(--space-4);
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.mobile-sub.open {
  max-height: 800px;
}

.mobile-sub-link {
  display: block;
  padding: var(--space-3) 0;
  font-size: var(--font-size-base);
  color: var(--color-text-muted);
  border-bottom: 1px solid rgba(255,255,255,0.04);
  transition: color var(--transition);
}

.mobile-sub-link:hover {
  color: var(--color-primary);
}

.mobile-nav-cta {
  margin-top: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-height);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(10, 13, 20, 0.9) 0%,
    rgba(10, 13, 20, 0.7) 50%,
    rgba(10, 13, 20, 0.5) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
  padding: var(--space-20) 0;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-6);
  padding: 6px 14px;
  border: 1px solid rgba(212, 160, 23, 0.3);
  border-radius: var(--border-radius-full);
  background: rgba(212, 160, 23, 0.08);
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: var(--font-weight-bold);
  line-height: 1.1;
  margin-bottom: var(--space-6);
}

.hero-title span {
  color: var(--color-primary);
  display: block;
}

.hero-desc {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  line-height: var(--line-height-loose);
  margin-bottom: var(--space-8);
  max-width: 540px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: var(--space-8);
  margin-top: var(--space-12);
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255,255,255,0.1);
}

.hero-stat-number {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-extrabold);
  color: var(--color-primary);
  line-height: 1;
}

.hero-stat-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 4px;
}

/* Scroll indicator */
.hero-scroll {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  z-index: 1;
  color: var(--color-text-muted);
  font-size: var(--font-size-xs);
  letter-spacing: 0.1em;
  animation: scrollBounce 2s infinite;
}

.hero-scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, transparent, var(--color-primary));
}

@keyframes scrollBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ============================================================
   SERVICE CARDS
   ============================================================ */
.service-card {
  background: var(--color-dark-3);
  border-radius: var(--border-radius-lg);
  border: 1px solid rgba(255,255,255,0.06);
  overflow: hidden;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.4), 0 0 0 1px rgba(212, 160, 23, 0.2);
}

.service-card-img {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/10;
  background: linear-gradient(135deg, var(--color-dark-4) 0%, var(--color-dark-3) 50%, rgba(212,160,23,0.06) 100%);
}

.service-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.service-card-img img[src=""],
.service-card-img img:not([src]) {
  display: none;
}

.service-card:hover .service-card-img img {
  transform: scale(1.05);
}

.service-card-icon {
  position: absolute;
  bottom: var(--space-4);
  left: var(--space-4);
  width: 48px;
  height: 48px;
  background: var(--color-primary);
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-dark);
}

.service-card-body {
  padding: var(--space-6);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.service-card-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-3);
  color: var(--color-text-primary);
}

.service-card-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: var(--line-height-loose);
  flex: 1;
  margin-bottom: var(--space-5);
}

.service-card-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  transition: gap var(--transition);
}

.service-card-link:hover {
  gap: var(--space-3);
}

/* ============================================================
   AUTHORITY CARDS
   ============================================================ */
.authority-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: var(--space-4);
}

.authority-card {
  background: var(--color-dark-3);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--border-radius-md);
  padding: var(--space-5) var(--space-4);
  text-align: center;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  text-decoration: none;
}

.authority-card:hover {
  border-color: rgba(212, 160, 23, 0.4);
  background: var(--color-dark-4);
  transform: translateY(-2px);
  box-shadow: var(--shadow-gold);
}

.authority-card-icon {
  width: 54px;
  height: 54px;
  margin: 0 auto var(--space-3);
  background: linear-gradient(135deg, rgba(212, 160, 23, 0.18) 0%, rgba(212, 160, 23, 0.05) 100%);
  border: 1px solid rgba(212, 160, 23, 0.25);
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  transition: transform var(--transition), background var(--transition), border-color var(--transition);
}

.authority-card:hover .authority-card-icon {
  transform: scale(1.08);
  background: rgba(212, 160, 23, 0.25);
  border-color: var(--color-primary);
}

.authority-card-name {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: 2px;
}

.authority-card-full {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  line-height: 1.3;
}

/* ============================================================
   PROJECT CARDS
   ============================================================ */
.project-card {
  position: relative;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  aspect-ratio: 16/10;
  max-height: 260px;
  background: linear-gradient(135deg, var(--color-dark-4) 0%, var(--color-dark-3) 100%);
  display: block;
  text-decoration: none;
}

.project-card img {
  width: 100%;
  height: 100%;
  max-height: 260px;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.project-card:hover img {
  transform: scale(1.08);
}

.project-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10,13,20,0.95) 0%, rgba(10,13,20,0.3) 60%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-6);
  transition: background var(--transition);
}

.project-card:hover .project-card-overlay {
  background: linear-gradient(to top, rgba(10,13,20,0.98) 0%, rgba(10,13,20,0.6) 60%, rgba(10,13,20,0.2) 100%);
}

.project-card-category {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-1);
}

.project-card-name {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: white;
  line-height: 1.3;
  margin-bottom: var(--space-1);
}

.project-card-location {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: 4px;
}

.project-card-arrow {
  position: absolute;
  top: var(--space-5);
  right: var(--space-5);
  width: 40px;
  height: 40px;
  background: rgba(212, 160, 23, 0);
  border: 1px solid rgba(212, 160, 23, 0);
  border-radius: var(--border-radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  transition: all var(--transition);
}

.project-card:hover .project-card-arrow {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-dark);
}

/* ============================================================
   STATS SECTION
   ============================================================ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(255,255,255,0.06);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
}

.stat-item {
  background: var(--color-dark-3);
  padding: var(--space-10) var(--space-6);
  text-align: center;
  transition: background var(--transition);
}

.stat-item:hover {
  background: var(--color-dark-4);
}

.stat-number {
  font-family: var(--font-serif);
  font-size: var(--font-size-5xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-2);
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ============================================================
   BLOG CARDS
   ============================================================ */
.blog-card {
  background: var(--color-dark-3);
  border-radius: var(--border-radius-lg);
  border: 1px solid rgba(255,255,255,0.06);
  overflow: hidden;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  text-decoration: none;
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(212, 160, 23, 0.2);
}

.blog-card-img {
  aspect-ratio: 16/9;
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-dark-4) 0%, rgba(212,160,23,0.05) 100%);
}

.blog-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.blog-card:hover .blog-card-img img {
  transform: scale(1.05);
}

.blog-card-body {
  padding: var(--space-6);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.blog-card-meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.blog-card-category {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  padding: 2px 8px;
  border-radius: var(--border-radius-full);
  background: rgba(212, 160, 23, 0.12);
}

.blog-card-date {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.blog-card-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  line-height: 1.4;
  margin-bottom: var(--space-3);
  flex: 1;
}

.blog-card-excerpt {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: var(--line-height-loose);
  margin-bottom: var(--space-4);
}

.blog-card-link {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  transition: gap var(--transition);
}

.blog-card:hover .blog-card-link {
  gap: var(--space-3);
}

/* ============================================================
   FAQ ACCORDION
   ============================================================ */
.faq-section {
  margin-bottom: var(--space-10);
}

.faq-category-title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid rgba(212, 160, 23, 0.2);
}

.accordion-item {
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.accordion-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-5) 0;
  cursor: pointer;
  transition: color var(--transition);
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  color: var(--color-text-primary);
}

.accordion-header:hover {
  color: var(--color-primary);
}

.accordion-question {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  line-height: 1.4;
}

.accordion-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: var(--border-radius-full);
  background: rgba(212, 160, 23, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  transition: all var(--transition);
}

.accordion-item.open .accordion-icon {
  background: var(--color-primary);
  color: var(--color-dark);
  transform: rotate(45deg);
}

.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow), padding var(--transition);
}

.accordion-item.open .accordion-body {
  max-height: 500px;
  padding-bottom: var(--space-5);
}

.accordion-answer {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: var(--line-height-loose);
}

/* ============================================================
   CONTACT FORM
   ============================================================ */
.contact-form {
  background: var(--color-dark-3);
  border-radius: var(--border-radius-xl);
  border: 1px solid rgba(255,255,255,0.06);
  padding: var(--space-10);
}

.form-group {
  margin-bottom: var(--space-5);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
}

.form-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2);
}

.form-label .required {
  color: var(--color-primary);
  margin-left: 2px;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  background: var(--color-dark-2);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--border-radius);
  padding: 0.75rem 1rem;
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  appearance: none;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(212, 160, 23, 0.15);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-muted);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.form-select option {
  background: var(--color-dark-3);
}

.form-error {
  font-size: var(--font-size-xs);
  color: var(--color-error);
  margin-top: var(--space-1);
}

.alert {
  padding: var(--space-4) var(--space-5);
  border-radius: var(--border-radius);
  margin-bottom: var(--space-6);
  font-size: var(--font-size-sm);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.alert-success {
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #10B981;
}

.alert-error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #EF4444;
}

/* ============================================================
   CONTACT INFO
   ============================================================ */
.contact-info-card {
  background: var(--color-dark-3);
  border-radius: var(--border-radius-lg);
  border: 1px solid rgba(255,255,255,0.06);
  padding: var(--space-6);
}

.contact-info-item {
  display: flex;
  gap: var(--space-4);
  padding: var(--space-5) 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.contact-info-item:last-child {
  border-bottom: none;
}

.contact-info-icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  background: rgba(212, 160, 23, 0.12);
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}

.contact-info-label {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 4px;
}

.contact-info-value {
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  font-weight: var(--font-weight-medium);
}

.contact-info-value a {
  color: inherit;
  transition: color var(--transition);
}

.contact-info-value a:hover {
  color: var(--color-primary);
}

/* FAQ Category Navigation */
.faq-category-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 0.85rem;
  border-radius: var(--border-radius);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  background: rgba(255, 255, 255, 0.03);
  border-left: 3px solid transparent;
  text-decoration: none;
  transition: all var(--transition);
}

.faq-category-link:hover,
.faq-category-link.active {
  background: rgba(212, 160, 23, 0.12);
  color: var(--color-primary);
  border-left-color: var(--color-primary);
  transform: translateX(3px);
}

.faq-category-count {
  background: rgba(212, 160, 23, 0.18);
  color: var(--color-primary);
  font-size: 0.75rem;
  font-weight: var(--font-weight-bold);
  padding: 2px 8px;
  border-radius: 100px;
}

/* ============================================================
   PAGE HERO (Inner Pages)
   ============================================================ */
.page-hero {
  position: relative;
  padding: calc(var(--header-height) + var(--space-16)) 0 var(--space-16);
  background: var(--color-dark-2);
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 60%;
  height: 100%;
  background: linear-gradient(135deg, transparent 0%, rgba(212, 160, 23, 0.04) 100%);
  pointer-events: none;
}

.page-hero-label {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}

.page-hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: var(--font-weight-bold);
  line-height: 1.15;
  margin-bottom: var(--space-5);
  max-width: 800px;
}

.page-hero-desc {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  max-width: 640px;
  line-height: var(--line-height-loose);
}

/* Breadcrumbs */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-5);
  flex-wrap: wrap;
}

.breadcrumb a {
  color: var(--color-text-muted);
  transition: color var(--transition);
}

.breadcrumb a:hover {
  color: var(--color-primary);
}

.breadcrumb-sep {
  color: rgba(255,255,255,0.2);
}

.breadcrumb-current {
  color: var(--color-primary);
}

/* ============================================================
   CTA SECTION
   ============================================================ */
.cta-section {
  background: linear-gradient(135deg, var(--color-dark-2) 0%, var(--color-dark-3) 100%);
  border-top: 1px solid rgba(212, 160, 23, 0.1);
  border-bottom: 1px solid rgba(212, 160, 23, 0.1);
  padding: var(--space-20) 0;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(212, 160, 23, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.cta-content {
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
}

.cta-title {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 3vw, 2.75rem);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-4);
  line-height: 1.2;
}

.cta-desc {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
  line-height: var(--line-height-loose);
}

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

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--color-dark-2);
  border-top: 1px solid rgba(255,255,255,0.05);
  padding-top: var(--space-16);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: var(--space-10);
  padding-bottom: var(--space-12);
}

.footer-brand {
  /* Left column */
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
  text-decoration: none;
}

.footer-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: var(--line-height-loose);
  margin-bottom: var(--space-6);
  max-width: 300px;
}

.footer-social {
  display: flex;
  gap: var(--space-3);
}

.social-link {
  width: 38px;
  height: 38px;
  border-radius: var(--border-radius-full);
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  transition: all var(--transition);
  text-decoration: none;
}

.social-link:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-dark);
  transform: translateY(-2px);
}

.footer-col-title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-primary);
  margin-bottom: var(--space-5);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-link {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  transition: color var(--transition);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.footer-link:hover {
  color: var(--color-primary);
}

.footer-contact-items {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.footer-contact-item {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
}

.footer-contact-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: var(--color-primary);
  margin-top: 2px;
}

.footer-contact-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
}

.footer-contact-text a {
  color: inherit;
  transition: color var(--transition);
}

.footer-contact-text a:hover {
  color: var(--color-primary);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.05);
  padding: var(--space-5) 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.footer-copy {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.footer-legal {
  display: flex;
  gap: var(--space-5);
}

.footer-legal a {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  transition: color var(--transition);
}

.footer-legal a:hover {
  color: var(--color-primary);
}

/* ============================================================
   FLOATING WHATSAPP BUTTON
   ============================================================ */
.whatsapp-float {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  z-index: 500;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--space-3);
}

.whatsapp-btn {
  width: 56px;
  height: 56px;
  background: #25D366;
  border-radius: var(--border-radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  text-decoration: none;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  transition: all var(--transition);
  animation: whatsappPulse 3s infinite;
}

.whatsapp-btn:hover {
  background: #1DAE54;
  transform: scale(1.1);
  box-shadow: 0 6px 30px rgba(37, 211, 102, 0.5);
  animation: none;
}

@keyframes whatsappPulse {
  0%, 100% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4); }
  50% { box-shadow: 0 4px 40px rgba(37, 211, 102, 0.7); }
}

/* ============================================================
   ABOUT PAGE SPECIFIC
   ============================================================ */
.about-values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  align-items: stretch;
}

.about-values-grid > * {
  height: 100%;
}

.value-card {
  background: var(--color-dark-3);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--border-radius-lg);
  padding: var(--space-8);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.value-card:hover {
  border-color: rgba(212, 160, 23, 0.3);
  background: var(--color-dark-4);
}

.value-card-icon {
  width: 56px;
  height: 56px;
  background: rgba(212, 160, 23, 0.12);
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  margin-bottom: var(--space-5);
}

.value-card-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-3);
}

.value-card-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: var(--line-height-loose);
}

/* ============================================================
   PAGE-SPECIFIC BACKGROUNDS
   ============================================================ */
.bg-dark { background: var(--color-dark); }
.bg-dark-2 { background: var(--color-dark-2); }
.bg-dark-3 { background: var(--color-dark-3); }

/* Light sections (on dark pages) */
.section-light {
  background: var(--color-dark-2);
}

/* Gold gradient line */
.gold-line {
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), transparent);
  margin-bottom: var(--space-5);
}

/* ============================================================
   FEATURE LIST
   ============================================================ */
.feature-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.feature-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--color-primary);
  margin-top: 2px;
}

/* ============================================================
   BADGE / CHIP
   ============================================================ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: var(--border-radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
}

.badge-gold {
  background: rgba(212, 160, 23, 0.15);
  color: var(--color-primary);
  border: 1px solid rgba(212, 160, 23, 0.2);
}

/* ============================================================
   IMAGE WITH OVERLAY EFFECT
   ============================================================ */
.img-reveal {
  position: relative;
  overflow: hidden;
  border-radius: var(--border-radius-lg);
  max-height: 440px;
}

.img-reveal img {
  width: 100%;
  height: 100%;
  max-height: 440px;
  object-fit: cover;
  transition: transform 0.8s ease;
}

.img-reveal:hover img {
  transform: scale(1.04);
}

/* ============================================================
   PROCESS STEPS
   ============================================================ */
.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: var(--space-6);
  counter-reset: step-counter;
}

.process-step {
  text-align: center;
  counter-increment: step-counter;
  position: relative;
}

.process-step::before {
  content: counter(step-counter, decimal-leading-zero);
  display: block;
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-extrabold);
  color: rgba(212, 160, 23, 0.15);
  font-family: var(--font-serif);
  margin-bottom: var(--space-3);
}

.process-step-title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.process-step-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ============================================================
   SCROLL ANIMATIONS
   ============================================================ */
[data-animate] {
  opacity: 0;
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-animate="fade-up"] {
  transform: translateY(30px);
}

[data-animate="fade-left"] {
  transform: translateX(-30px);
}

[data-animate="fade-right"] {
  transform: translateX(30px);
}

[data-animate="scale"] {
  transform: scale(0.95);
}

[data-animate].is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  [data-animate] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ============================================================
   UTILITY CLASSES
   ============================================================ */
.text-center { text-align: center; }
.text-right { text-align: right; }
.mt-auto { margin-top: auto; }
.mb-0 { margin-bottom: 0; }
.w-full { width: 100%; }
.relative { position: relative; }
.overflow-hidden { overflow: hidden; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border-width: 0;
}

/* ============================================================
   404 PAGE
   ============================================================ */
.error-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-20) var(--space-6);
}

.error-code {
  font-size: 8rem;
  font-weight: var(--font-weight-extrabold);
  color: rgba(212, 160, 23, 0.15);
  font-family: var(--font-serif);
  line-height: 1;
  margin-bottom: var(--space-4);
}

/* ============================================================
   RESPONSIVE LAYOUT UTILITIES
   ============================================================ */
.layout-grid-2-1 {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-12);
  align-items: start;
}

.layout-grid-1-2\.5 {
  display: grid;
  grid-template-columns: 1fr 2.5fr;
  gap: var(--space-12);
  align-items: start;
}

.layout-grid-1-1 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
}

.projects-grid,
#featured-projects {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
}

/* ============================================================
   RESPONSIVE STYLES
   ============================================================ */
@media (max-width: 1280px) {
  .footer-grid {
    grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
    gap: var(--space-8);
  }
}

@media (max-width: 1024px) {
  :root {
    --container-padding: 1.25rem;
  }

  .nav,
  .header-phone {
    display: none;
  }

  .mobile-toggle {
    display: flex;
  }

  .mobile-nav {
    display: block;
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }

  .about-values-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  /* Stack all named layout grids on tablet/mobile */
  .layout-grid-2-1,
  .layout-grid-1-1 {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .layout-grid-1-2\.5 {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
}


@media (max-width: 768px) {
  :root {
    --space-20: 4rem;
    --space-16: 3rem;
    --space-12: 2.5rem;
    --header-height: 70px;
  }

  /* ── Header ── */
  .header {
    height: 70px;
  }

  .logo-img {
    height: 32px;
  }

  .header-actions {
    gap: var(--space-2);
  }

  /* ── Sections ── */
  .section {
    padding: var(--space-16) 0;
  }

  .section-header {
    margin-bottom: var(--space-8);
  }

  .section-title {
    font-size: clamp(1.5rem, 5vw, 2.25rem);
  }

  .section-desc {
    font-size: var(--font-size-base);
  }

  /* ── Grids ── */
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* ── Stat items ── */
  .stat-item {
    padding: var(--space-6) var(--space-4);
  }

  .stat-number {
    font-size: var(--font-size-4xl);
  }

  /* ── Hero section ── */
  .hero {
    min-height: 100svh;
  }

  .hero-content {
    padding: var(--space-12) 0 var(--space-8);
    max-width: 100%;
  }

  .hero-title {
    font-size: clamp(2rem, 7vw, 3rem);
  }

  .hero-desc {
    font-size: var(--font-size-base);
    max-width: 100%;
  }

  .hero-stats {
    gap: var(--space-4);
    flex-wrap: wrap;
    margin-top: var(--space-8);
    padding-top: var(--space-6);
  }

  .hero-stat-number {
    font-size: var(--font-size-2xl);
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-3);
  }

  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }

  .hero-scroll {
    display: none;
  }

  /* ── CTA ── */
  .cta-actions {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-3);
  }

  .cta-actions .btn {
    width: 100%;
    justify-content: center;
  }

  .cta-title {
    font-size: clamp(1.5rem, 5vw, 2.25rem);
  }

  .cta-desc {
    font-size: var(--font-size-base);
  }

  /* ── Page Hero ── */
  .page-hero {
    padding: calc(var(--header-height) + 2.5rem) 0 2.5rem;
  }

  .page-hero-title {
    font-size: clamp(1.75rem, 6vw, 2.5rem);
  }

  .page-hero-desc {
    font-size: var(--font-size-base);
  }

  /* ── Footer ── */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: var(--space-3);
  }

  .footer-legal {
    justify-content: center;
  }

  /* ── Contact form ── */
  .contact-form {
    padding: var(--space-6);
    border-radius: var(--border-radius-lg);
  }

  /* ── About ── */
  .about-values-grid {
    grid-template-columns: 1fr;
  }

  .value-card {
    padding: var(--space-6);
  }

  /* ── Authority ── */
  .authority-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* ── Process ── */
  .process-steps {
    grid-template-columns: 1fr 1fr;
  }

  /* ── Card padding ── */
  .service-card-body,
  .card-body,
  .blog-card-body {
    padding: var(--space-5);
  }

  /* ── Image reveal ── */
  .img-reveal {
    max-height: 280px;
  }

  .img-reveal img {
    max-height: 280px;
  }

  /* ── Mobile nav refinements ── */
  .mobile-nav {
    padding: var(--space-4);
  }

  .mobile-nav-link {
    font-size: var(--font-size-base);
    padding: var(--space-4) 0;
  }

  .mobile-nav-cta {
    margin-top: var(--space-6);
  }

  /* ── Blog featured card ── */
  .blog-card.layout-grid-1-1 {
    display: flex;
    flex-direction: column;
  }

  .blog-card.layout-grid-1-1 .blog-card-img {
    aspect-ratio: 16/9;
  }
}

@media (max-width: 480px) {
  :root {
    --container-padding: 1rem;
  }

  /* ── Stats ── */
  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }

  .stat-number {
    font-size: var(--font-size-3xl);
  }

  .stat-label {
    font-size: var(--font-size-xs);
  }

  .stat-item {
    padding: var(--space-5) var(--space-3);
  }

  /* ── Authority ── */
  .authority-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* ── Hero stats ── */
  .hero-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3);
  }

  .hero-stat-number {
    font-size: var(--font-size-xl);
  }

  /* ── Process ── */
  .process-steps {
    grid-template-columns: 1fr;
  }

  /* ── WhatsApp ── */
  .whatsapp-float {
    bottom: var(--space-4);
    right: var(--space-4);
  }

  .whatsapp-btn {
    width: 50px;
    height: 50px;
  }

  /* ── Buttons ── */
  .btn-lg {
    padding: 0.875rem 1.5rem;
    font-size: 0.9rem;
  }

  /* ── Contact form ── */
  .contact-form {
    padding: 1.25rem;
  }

  /* ── Headings ── */
  .page-hero-title {
    font-size: clamp(1.6rem, 7vw, 2.25rem);
  }

  .section-title {
    font-size: clamp(1.4rem, 5.5vw, 2rem);
  }

  /* ── Blog card ── */
  .blog-card-title {
    font-size: var(--font-size-lg);
  }

  /* ── Project card ── */
  .project-card-name {
    font-size: 1rem;
    line-height: 1.3;
  }

  .project-card-overlay {
    padding: 0.875rem;
  }

  /* ── Error page ── */
  .error-code {
    font-size: 6rem;
  }

  /* ── Footer desc ── */
  .footer-desc {
    max-width: 100%;
  }

  /* ── Accordion ── */
  .accordion-question {
    font-size: var(--font-size-sm);
  }

  /* ── Section header ── */
  .section-header {
    margin-bottom: var(--space-6);
  }
}

@media (max-width: 960px) {
  .projects-grid,
  #featured-projects {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .projects-grid,
  #featured-projects {
    grid-template-columns: 1fr;
  }
  
  .project-card-overlay {
    padding: 1rem;
  }
  
  .project-card-name {
    font-size: 1.05rem;
    line-height: 1.3;
  }

  .page-hero-title {
    font-size: clamp(1.75rem, 6vw, 2.5rem);
  }

  .section-title {
    font-size: clamp(1.5rem, 5vw, 2.25rem);
  }

  .btn-lg {
    padding: 0.75rem 1.25rem;
    font-size: 0.9rem;
  }

  .contact-form {
    padding: 1.25rem;
  }
}

/* Focus styles for keyboard accessibility */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Print styles */
@media print {
  .header,
  .footer,
  .whatsapp-float,
  .mobile-nav {
    display: none;
  }

  body {
    background: white;
    color: black;
  }
}