/**
 * Pigeon Safety Nets & Invisible Grills
 * Premium Architectural Safety Design System
 * Pure Modern CSS3 (Zero External Frameworks / Zero Render Blocking)
 */

:root {
  --color-primary: #10243A;
  --color-primary-dark: #0A1726;
  --color-primary-light: #1D3857;
  --color-secondary: #087F8C;
  --color-secondary-dark: #06606A;
  --color-secondary-light: #0B9DAE;
  --color-accent: #F39C38;
  --color-accent-hover: #D98224;
  --color-bg: #F7FAFC;
  --color-surface: #FFFFFF;
  --color-surface-subtle: #EDF2F7;
  --color-text: #152333;
  --color-text-muted: #607184;
  --color-border: #E2E8F0;
  --color-border-subtle: #CBD5E1;
  --color-success: #10B981;
  --color-danger: #EF4444;

  --shadow-sm: 0 1px 2px rgba(16, 36, 58, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(16, 36, 58, 0.08), 0 2px 4px -1px rgba(16, 36, 58, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(16, 36, 58, 0.1), 0 4px 6px -2px rgba(16, 36, 58, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(16, 36, 58, 0.12), 0 10px 10px -5px rgba(16, 36, 58, 0.04);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  --font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
}

/* =====================================================================
   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%;
}

body {
  font-family: var(--font-family);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  font-weight: 400;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1 0 auto;
}

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

a {
  color: var(--color-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-secondary-dark);
}

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

ul, ol {
  list-style: none;
}

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

.container-narrow {
  max-width: 860px;
}

/* =====================================================================
   TYPOGRAPHY & UTILITIES
   ===================================================================== */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-primary);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.015em;
  margin-bottom: 0.75rem;
}

h1 { font-size: clamp(2rem, 4vw, 3rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.25rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); }
h4 { font-size: 1.15rem; }

p {
  margin-bottom: 1rem;
}

.text-muted { color: var(--color-text-muted); }
.text-center { text-align: center; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-secondary);
  background-color: rgba(8, 127, 140, 0.1);
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-full);
  margin-bottom: 0.75rem;
}

.section-tag.accent {
  color: var(--color-accent-hover);
  background-color: rgba(243, 156, 56, 0.15);
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 3rem auto;
}

.section-header p {
  font-size: 1.1rem;
  color: var(--color-text-muted);
}

.py-section {
  padding-top: 4.5rem;
  padding-bottom: 4.5rem;
}

.py-section-sm {
  padding-top: 2.5rem;
  padding-bottom: 2.5rem;
}

.bg-surface {
  background-color: var(--color-surface);
}

.bg-subtle {
  background-color: var(--color-surface-subtle);
}

/* =====================================================================
   BUTTONS & CTAs
   ===================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.75rem 1.4rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-fast);
  white-space: nowrap;
  min-height: 44px;
}

.btn-primary {
  background-color: var(--color-accent);
  color: #FFFFFF;
  box-shadow: 0 2px 4px rgba(243, 156, 56, 0.3);
}

.btn-primary:hover {
  background-color: var(--color-accent-hover);
  color: #FFFFFF;
  box-shadow: 0 4px 8px rgba(243, 156, 56, 0.4);
}

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

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

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

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

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

.btn-outline:hover {
  background-color: var(--color-surface-subtle);
  border-color: var(--color-border-subtle);
}

.btn-sm {
  font-size: 0.85rem;
  padding: 0.5rem 1rem;
  min-height: 38px;
}

.btn-lg {
  font-size: 1.05rem;
  padding: 0.9rem 1.8rem;
  min-height: 50px;
}

/* =====================================================================
   TOP UTILITY BAR
   ===================================================================== */
.top-bar {
  background-color: var(--color-primary-dark);
  color: #CBD5E1;
  font-size: 0.85rem;
  padding: 0.45rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.top-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.top-bar-info {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.top-bar-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.top-bar-item svg {
  color: var(--color-accent);
}

.top-bar-phone {
  color: #FFFFFF;
  font-weight: 700;
}

.top-bar-phone:hover {
  color: var(--color-accent);
}

/* =====================================================================
   MAIN HEADER & NAVIGATION
   ===================================================================== */
.site-header {
  background-color: var(--color-surface);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  height: 76px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.brand-logo {
  height: 48px;
  width: auto;
}

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

.brand-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.brand-subtitle {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--color-secondary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* Nav Menu (Desktop) */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.65rem 0.9rem;
  color: var(--color-text);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
  color: var(--color-secondary);
  background-color: rgba(8, 127, 140, 0.06);
}

/* Mega Dropdown Menu */
.mega-menu {
  position: absolute;
  top: 100%;
  left: 0;
  width: 620px;
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--color-border);
  padding: 1.5rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all var(--transition-fast);
  z-index: 1010;
}

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

.mega-card {
  padding: 1rem;
  border-radius: var(--radius-sm);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  transition: all var(--transition-fast);
  text-decoration: none;
  display: block;
}

.mega-card:hover {
  background-color: var(--color-surface);
  border-color: var(--color-secondary);
  box-shadow: var(--shadow-md);
}

.mega-card h4 {
  font-size: 1rem;
  color: var(--color-primary);
  margin-bottom: 0.3rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mega-card p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 0;
  line-height: 1.4;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Mobile Hamburger Button */
.menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-border);
  padding: 0.6rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--color-primary);
}

/* Mobile Drawer */
.mobile-drawer {
  display: none;
}

/* =====================================================================
   HERO SECTION
   ===================================================================== */
.hero-section {
  background: linear-gradient(135deg, #0A1726 0%, #10243A 60%, #0F3252 100%);
  color: #FFFFFF;
  padding: 4.5rem 0 5rem 0;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3rem;
  align-items: center;
}

.hero-content h1 {
  color: #FFFFFF;
  margin-bottom: 1.25rem;
  font-size: clamp(2.2rem, 4vw, 3.2rem);
}

.hero-lead {
  font-size: 1.15rem;
  color: #E2E8F0;
  margin-bottom: 2rem;
  line-height: 1.6;
}

.hero-ctas {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.hero-badges {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.hero-badge-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: #CBD5E1;
}

.hero-badge-item svg {
  color: var(--color-accent);
}

/* Hero Compact Form Card */
.hero-form-card {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-xl);
  color: var(--color-text);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-form-card h3 {
  font-size: 1.35rem;
  color: var(--color-primary);
  margin-bottom: 0.25rem;
}

.hero-form-card p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
}

/* =====================================================================
   FORM CONTROLS
   ===================================================================== */
.form-group {
  margin-bottom: 1rem;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.35rem;
}

.form-label .required {
  color: var(--color-danger);
}

.form-control {
  width: 100%;
  padding: 0.75rem 0.9rem;
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--color-text);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 3px rgba(8, 127, 140, 0.15);
  outline: none;
}

textarea.form-control {
  resize: vertical;
  min-height: 90px;
}

.form-note {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: 0.5rem;
  line-height: 1.4;
}

/* Honeypot field - visually hidden from human users */
.hp-field {
  display: none !important;
  visibility: hidden !important;
  opacity: 0 !important;
  position: absolute !important;
  left: -9999px !important;
}

/* =====================================================================
   SERVICES SECTION & CARDS
   ===================================================================== */
.service-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.service-card {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-secondary);
}

.service-card-media {
  background: linear-gradient(180deg, #EDF2F7 0%, #E2E8F0 100%);
  height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  position: relative;
  overflow: hidden;
}

.service-card-media img {
  max-height: 100%;
  width: auto;
  object-fit: contain;
  transition: transform var(--transition-normal);
}

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

.service-card-body {
  padding: 1.75rem;
  flex: 1 0 auto;
  display: flex;
  flex-direction: column;
}

.service-card-body h3 {
  font-size: 1.35rem;
  margin-bottom: 0.5rem;
}

.service-card-body p {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.service-features-list {
  margin-bottom: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
}

.service-features-list li {
  font-size: 0.88rem;
  color: var(--color-text);
  margin-bottom: 0.5rem;
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}

.service-features-list li svg {
  color: var(--color-success);
  flex-shrink: 0;
  margin-top: 0.2rem;
}

.service-card-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: auto;
}

/* =====================================================================
   PROBLEM & SOLUTIONS SECTION
   ===================================================================== */
.problem-solution-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
}

.problem-card, .solution-card {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 2rem;
  border: 1px solid var(--color-border);
}

.problem-card {
  border-left: 5px solid var(--color-accent);
}

.solution-card {
  border-left: 5px solid var(--color-secondary);
}

.comparison-list li {
  margin-bottom: 1rem;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.95rem;
}

/* =====================================================================
   PROCESS STEPS SECTION
   ===================================================================== */
.process-steps-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.5rem;
  position: relative;
}

.process-step-card {
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 1.5rem 1.25rem;
  border: 1px solid var(--color-border);
  text-align: center;
  position: relative;
  transition: all var(--transition-fast);
}

.process-step-card:hover {
  border-color: var(--color-secondary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.step-num {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: var(--color-primary);
  color: #FFFFFF;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem auto;
  font-size: 1.1rem;
}

.process-step-card h4 {
  font-size: 1rem;
  margin-bottom: 0.4rem;
}

.process-step-card p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 0;
}

/* =====================================================================
   AREAS SERVED SECTION (Verified Only)
   ===================================================================== */
.areas-tags-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.25rem;
}

.area-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 0.45rem 0.9rem;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text);
  transition: all var(--transition-fast);
}

.area-tag:hover {
  border-color: var(--color-secondary);
  background-color: rgba(8, 127, 140, 0.05);
}

.area-tag svg {
  color: var(--color-secondary);
}

/* =====================================================================
   FAQS ACCORDION
   ===================================================================== */
.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.faq-item {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item:hover {
  border-color: var(--color-border-subtle);
}

.faq-button {
  width: 100%;
  background: none;
  border: none;
  padding: 1.25rem;
  text-align: left;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  cursor: pointer;
  font-family: inherit;
}

.faq-icon {
  width: 20px;
  height: 20px;
  transition: transform var(--transition-fast);
  color: var(--color-secondary);
  flex-shrink: 0;
}

.faq-item.open .faq-icon {
  transform: rotate(180deg);
}

.faq-content {
  display: none;
  padding: 0 1.25rem 1.25rem 1.25rem;
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

.faq-item.open .faq-content {
  display: block;
}

/* =====================================================================
   GALLERY GRID & PLACEHOLDER
   ===================================================================== */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.gallery-item {
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.gallery-thumb {
  height: 200px;
  background-color: var(--color-surface-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.gallery-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gallery-meta {
  padding: 1rem;
}

.gallery-meta h4 {
  font-size: 0.95rem;
  margin-bottom: 0.2rem;
}

.empty-gallery-state {
  text-align: center;
  padding: 3.5rem 1.5rem;
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 2px dashed var(--color-border);
  max-width: 600px;
  margin: 0 auto;
}

.empty-gallery-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 1.25rem auto;
  color: var(--color-secondary);
}

/* =====================================================================
   FOOTER
   ===================================================================== */
.site-footer {
  background-color: var(--color-primary-dark);
  color: #94A3B8;
  padding-top: 4.5rem;
  font-size: 0.9rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}

.footer-col h4 {
  color: #FFFFFF;
  font-size: 1rem;
  margin-bottom: 1.25rem;
  letter-spacing: -0.01em;
}

.footer-col ul li {
  margin-bottom: 0.65rem;
}

.footer-col a {
  color: #94A3B8;
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  padding: 1.5rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.82rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

/* =====================================================================
   MOBILE CONVERSION STICKY BAR
   ===================================================================== */
.mobile-conversion-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--color-surface);
  box-shadow: 0 -4px 12px rgba(16, 36, 58, 0.12);
  z-index: 999;
  padding: 0.5rem 1rem;
  border-top: 1px solid var(--color-border);
}

.mobile-conversion-inner {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.mobile-conversion-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.65rem 0.5rem;
  font-size: 0.88rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  text-decoration: none;
  min-height: 44px;
}

.mobile-btn-call {
  background-color: var(--color-primary);
  color: #FFFFFF;
}

.mobile-btn-whatsapp {
  background-color: #25D366;
  color: #FFFFFF;
}

.mobile-btn-quote {
  background-color: var(--color-accent);
  color: #FFFFFF;
}

/* =====================================================================
   BREADCRUMBS
   ===================================================================== */
.breadcrumbs {
  padding: 1rem 0;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.breadcrumbs-list {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.breadcrumbs-item {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.breadcrumbs-separator {
  color: var(--color-border-subtle);
}

.breadcrumbs-item a {
  color: var(--color-text-muted);
}

.breadcrumbs-item a:hover {
  color: var(--color-secondary);
}

/* =====================================================================
   ALERTS & FLASH MESSAGES
   ===================================================================== */
.flash-container {
  padding: 1rem 0 0 0;
}

.alert {
  padding: 0.9rem 1.25rem;
  border-radius: var(--radius-md);
  margin-bottom: 1rem;
  font-size: 0.92rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.alert-success {
  background-color: #DEF7EC;
  color: #03543F;
  border: 1px solid #BCF0DA;
}

.alert-error, .alert-danger {
  background-color: #FDE8E8;
  color: #9B1C1C;
  border: 1px solid #F8B4B4;
}

.alert-info {
  background-color: #E1EFFE;
  color: #1E429F;
  border: 1px solid #B4C6FC;
}

/* =====================================================================
   RESPONSIVE BREAKPOINTS
   ===================================================================== */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .process-steps-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  .top-bar-item.area-info {
    display: none;
  }
  .nav-menu, .header-cta-quote {
    display: none;
  }
  .menu-toggle {
    display: block;
  }
  .problem-solution-grid {
    grid-template-columns: 1fr;
  }
  .process-steps-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .mobile-conversion-bar {
    display: block;
  }
  body {
    padding-bottom: 60px; /* Space for mobile sticky bar */
  }

  /* Mobile Drawer Open */
  .mobile-drawer {
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(16, 36, 58, 0.7);
    z-index: 1050;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
  }

  .mobile-drawer.open {
    opacity: 1;
    visibility: visible;
  }

  .mobile-drawer-content {
    background-color: var(--color-surface);
    width: 82%;
    max-width: 340px;
    height: 100%;
    padding: 1.5rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    transform: translateX(-100%);
    transition: transform var(--transition-normal);
  }

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

  .mobile-drawer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 1rem;
  }

  .mobile-nav-link {
    display: block;
    padding: 0.75rem 0.5rem;
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--color-primary);
    border-bottom: 1px solid var(--color-border);
  }

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

/* =====================================================================
   HIGH-FIDELITY ARCHITECTURAL UI & ZERO-BUILD CONTRAST OVERRIDES
   ===================================================================== */
.mesh-gradient-navy {
  background-color: #10243A !important;
  background-image: 
    radial-gradient(at 0% 0%, rgba(8, 127, 140, 0.45) 0px, transparent 50%),
    radial-gradient(at 100% 100%, rgba(243, 156, 56, 0.25) 0px, transparent 50%),
    radial-gradient(ellipse at 50% 50%, rgba(10, 23, 38, 0.95) 0%, transparent 100%) !important;
  color: #FFFFFF !important;
}

.mesh-gradient-navy h1,
.mesh-gradient-navy h2,
.mesh-gradient-navy h3,
.mesh-gradient-navy .hero-heading {
  color: #FFFFFF !important;
  letter-spacing: -0.025em;
}

.mesh-gradient-navy p,
.mesh-gradient-navy .hero-description {
  color: #CBD5E1 !important;
}

/* Glassmorphism & High-Converting Form Card */
.glass-card {
  background: #FFFFFF !important;
  border: 1px solid #E2E8F0 !important;
  border-radius: 24px !important;
  box-shadow: 0 20px 25px -5px rgba(16, 36, 58, 0.1), 0 8px 10px -6px rgba(16, 36, 58, 0.05) !important;
  color: #1E293B !important;
}

.glass-dark {
  background: rgba(16, 36, 58, 0.9) !important;
  border: 1px solid rgba(255, 255, 255, 0.12) !important;
  backdrop-filter: blur(16px);
  color: #FFFFFF !important;
}

/* Form Controls with Crisp Visual Hierarchy */
input[type="text"],
input[type="tel"],
input[type="email"],
input[type="number"],
input[type="password"],
select,
textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid #CBD5E1;
  border-radius: 12px;
  background-color: #FFFFFF;
  color: #1E293B;
  font-size: 14px;
  line-height: 1.5;
  transition: all 0.2s ease;
  box-sizing: border-box;
}

.relative input[type="text"],
.relative input[type="tel"],
.relative input[type="email"] {
  padding-left: 40px;
}

input:focus,
select:focus,
textarea:focus {
  border-color: #087F8C !important;
  outline: none !important;
  box-shadow: 0 0 0 3px rgba(8, 127, 140, 0.18) !important;
}

/* Modern Gradient Text */
.text-gradient-teal {
  background: linear-gradient(135deg, #087F8C 0%, #0B9DAE 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.text-gradient-orange {
  background: linear-gradient(135deg, #F39C38 0%, #D98224 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

/* Interactive Balcony Estimator Range Inputs */
input[type="range"] {
  -webkit-appearance: none;
  width: 100%;
  height: 8px;
  border-radius: 4px;
  background: #E2E8F0;
  outline: none;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: #087F8C;
  cursor: pointer;
  box-shadow: 0 2px 5px rgba(0,0,0,0.25);
  border: 2px solid #FFFFFF;
  transition: transform 0.15s ease, background 0.15s ease;
}

input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.15);
  background: #06606A;
}

/* Service Card Transitions */
.service-card {
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.25s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.2s ease;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 25px -5px rgba(16, 36, 58, 0.1), 0 8px 10px -6px rgba(16, 36, 58, 0.05);
  border-color: #087F8C;
}

/* Top Sticky Navigation Shadow */
header.sticky {
  box-shadow: 0 4px 6px -1px rgba(16, 36, 58, 0.06);
}

/* Interactive Hero Carousel Transitions */
.hero-slide {
  transition: opacity 0.45s cubic-bezier(0.16, 1, 0.3, 1), transform 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}

.hero-slide.hidden {
  display: none !important;
  opacity: 0 !important;
  transform: translateY(6px);
}

.hero-slide.active {
  display: block !important;
  opacity: 1 !important;
  transform: translateY(0);
}

/* Services Filter Tab & Card Transitions */
.services-tab-btn {
  cursor: pointer;
  user-select: none;
}

.services-tab-btn.active {
  background-color: #FFFFFF !important;
  color: #10243A !important;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.08) !important;
}

.service-card-item {
  transition: opacity 0.3s ease, transform 0.3s ease, box-shadow 0.25s ease, border-color 0.2s ease;
}

/* No scrollbar utility for touch & mobile tab bars */
.no-scrollbar::-webkit-scrollbar {
  display: none;
}
.no-scrollbar {
  -ms-overflow-style: none;
  scrollbar-width: none;
}



/* v2.1 maintenance patch: responsive and accessibility corrections */
html { scroll-behavior: smooth; scroll-padding-top: 86px; }
body { overflow-x: clip; }
img { max-width: 100%; height: auto; }
button, a, input, textarea, select { -webkit-tap-highlight-color: transparent; }
:where(a, button, input, textarea, select):focus-visible { outline: 3px solid #f39c38; outline-offset: 3px; }
.lead-capture-form input, .lead-capture-form select, .lead-capture-form textarea { min-height: 42px; }
.lead-capture-form textarea { min-height: 72px; }
@media (max-width: 640px) { .lead-capture-form input, .lead-capture-form select { font-size: 16px; } }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

/* v2.1.8 — mobile menu state sync (phones + tablets up to lg breakpoint). */
@media (max-width: 1023px) {
  #mobileDrawer.mobile-drawer {
    display: block;
    visibility: hidden;
    opacity: 0;
    pointer-events: none;
    transition: opacity .22s ease, visibility .22s ease;
  }
  #mobileDrawer.mobile-drawer.open {
    display: block;
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
  }
  #mobileDrawer .mobile-drawer-content {
    transform: translateX(-100%);
    transition: transform .22s ease;
    max-width: min(420px, 90vw);
    width: 88vw;
  }
  #mobileDrawer.mobile-drawer.open .mobile-drawer-content {
    transform: translateX(0);
  }
}
@media (min-width: 1024px) {
  #mobileDrawer.mobile-drawer { display: none !important; }
}