/* ==========================================================================
   DEAN WRIGHT CONSULTING - Official Stylesheet
   Design Token System, Responsive CSS Grid/Flex, Dark Mode Support
   ========================================================================== */

/* Design Tokens & Theme Variables */
:root {
  --font-heading: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Brand Colors (Light Theme) */
  --bg-main: #f8fafc;
  --bg-surface: #ffffff;
  --bg-subtle: #f0f4f8;
  --bg-accent-card: #e8f0f8;

  --border-color: #e2e8f0;
  --border-strong: #cbd5e1;

  --text-main: #0f172a;
  --text-muted: #475569;
  --text-light: #64748b;

  --brand-navy: #122b46;
  --brand-navy-dark: #0a1b2d;
  --brand-blue: #1e40af;
  --brand-blue-hover: #1d4ed8;
  --brand-cyan: #0284c7;
  --brand-accent: #d97706;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 25px -5px rgba(18, 43, 70, 0.1), 0 8px 10px -6px rgba(18, 43, 70, 0.05);
  --shadow-xl: 0 20px 30px -10px rgba(18, 43, 70, 0.15);

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

  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Theme Overrides */
[data-theme="dark"] {
  --bg-main: #0b1320;
  --bg-surface: #132036;
  --bg-subtle: #192a47;
  --bg-accent-card: #162b47;

  --border-color: #1e3252;
  --border-strong: #2b456e;

  --text-main: #f8fafc;
  --text-muted: #cbd5e1;
  --text-light: #94a3b8;

  --brand-navy: #1e3a5f;
  --brand-navy-dark: #0f243f;
  --brand-blue: #3b82f6;
  --brand-blue-hover: #60a5fa;

  --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.4);
}

/* Reset & Global Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-body);
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-main);
  line-height: 1.25;
  font-weight: 700;
}

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

a:hover {
  color: var(--brand-blue-hover);
}

ul {
  list-style: none;
}

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

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Utility Classes & Badges */
.text-center { text-align: center; }
.highlight-text {
  color: var(--brand-cyan);
  background: linear-gradient(135deg, var(--brand-cyan), var(--brand-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-header {
  margin-bottom: 3.5rem;
}
.section-subtitle {
  display: inline-block;
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--brand-blue);
  margin-bottom: 0.5rem;
}
.section-title {
  font-size: 2.25rem;
  margin-bottom: 1rem;
}
.section-description {
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 700px;
  margin: 0 auto;
}

.badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  background-color: rgba(30, 64, 175, 0.1);
  color: var(--brand-blue);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
  border: 1px solid rgba(30, 64, 175, 0.2);
}
.badge-pill.light {
  background-color: rgba(255, 255, 255, 0.15);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.3);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
}
.btn-primary {
  background-color: var(--brand-navy);
  color: #ffffff;
  border-color: var(--brand-navy);
  box-shadow: var(--shadow-md);
}
.btn-primary:hover {
  background-color: var(--brand-blue);
  border-color: var(--brand-blue);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}
.btn-outline {
  background-color: transparent;
  color: var(--brand-navy);
  border-color: var(--border-strong);
}
[data-theme="dark"] .btn-outline {
  color: var(--text-main);
}
.btn-outline:hover {
  border-color: var(--brand-blue);
  color: var(--brand-blue);
  background-color: rgba(30, 64, 175, 0.05);
}
.btn-secondary {
  background-color: var(--bg-subtle);
  color: var(--brand-navy);
  border-color: var(--border-color);
}
.btn-secondary:hover {
  background-color: var(--brand-navy);
  color: #ffffff;
}
.btn-lg {
  padding: 0.9rem 2rem;
  font-size: 1.05rem;
}
.btn-sm {
  padding: 0.45rem 1rem;
  font-size: 0.875rem;
}
.btn-block {
  width: 100%;
}

/* Top Announcement Bar */
.top-bar {
  background-color: var(--brand-navy-dark);
  color: #e2e8f0;
  font-size: 0.85rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.top-bar-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.top-info {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.top-info .divider {
  color: rgba(255, 255, 255, 0.3);
}
.phone-link {
  color: #ffffff;
  font-weight: 600;
}
.phone-link:hover {
  color: var(--brand-cyan);
}

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: background-color var(--transition-normal);
}
.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--brand-navy);
}
[data-theme="dark"] .brand-logo {
  color: #ffffff;
}
.logo-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--brand-navy), var(--brand-blue));
  color: #ffffff;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}
.brand-name {
  display: block;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.15rem;
  line-height: 1;
  letter-spacing: 0.02em;
}
.brand-sub {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--brand-blue);
  margin-top: 2px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}
.nav-link {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-muted);
}
.nav-link:hover {
  color: var(--brand-blue);
}
.btn-nav-cta {
  padding: 0.5rem 1.25rem;
  background-color: var(--brand-navy);
  color: #ffffff !important;
  border-radius: var(--radius-md);
}
.btn-nav-cta:hover {
  background-color: var(--brand-blue);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.theme-toggle, .mobile-toggle {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-main);
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}
.theme-toggle:hover, .mobile-toggle:hover {
  background-color: var(--bg-subtle);
  border-color: var(--border-strong);
}
.mobile-toggle {
  display: none;
}

/* Hero Section */
.hero {
  position: relative;
  padding: 5rem 0 4rem;
  background: radial-gradient(circle at 80% 20%, rgba(30, 64, 175, 0.05) 0%, transparent 50%);
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-title {
  font-size: 3rem;
  margin-bottom: 1.25rem;
  letter-spacing: -0.02em;
}
.hero-description {
  font-size: 1.2rem;
  color: var(--text-muted);
  margin-bottom: 1.75rem;
  line-height: 1.7;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 2rem;
}
.tag {
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.35rem 0.85rem;
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
}

.hero-cta-group {
  display: flex;
  gap: 1rem;
  margin-bottom: 3rem;
}

.hero-trust-metrics {
  display: flex;
  gap: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
}
.trust-number {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--brand-navy);
}
[data-theme="dark"] .trust-number {
  color: var(--brand-blue);
}
.trust-label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Business Card Mockup */
.hero-card-preview {
  display: flex;
  justify-content: center;
}
.business-card-mockup {
  width: 100%;
  max-width: 400px;
  background: linear-gradient(145deg, #122b46, #1a3b5c);
  color: #ffffff;
  border-radius: var(--radius-lg);
  padding: 2.25rem 2rem;
  box-shadow: var(--shadow-xl);
  border: 1px solid rgba(255, 255, 255, 0.15);
  position: relative;
  transition: transform var(--transition-normal);
}
.business-card-mockup:hover {
  transform: translateY(-5px) rotate(1deg);
}
.card-brand {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: #ffffff;
}
.card-title {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--brand-cyan);
  margin-bottom: 1.5rem;
  border-bottom: 2px solid var(--brand-cyan);
  padding-bottom: 0.5rem;
}
.card-tagline {
  font-size: 0.85rem;
  font-weight: 600;
  color: #cbd5e1;
  margin-bottom: 1.25rem;
}
.card-bullet {
  font-size: 0.9rem;
  margin-bottom: 0.6rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: #e2e8f0;
}
.card-bullet i {
  color: var(--brand-cyan);
}
.card-footer {
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  color: #cbd5e1;
}

/* Philosophy Banner */
.philosophy-section {
  padding: 2.5rem 0;
}
.philosophy-box {
  background-color: var(--bg-accent-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 3rem 3.5rem;
  display: flex;
  gap: 2.5rem;
  align-items: flex-start;
  box-shadow: var(--shadow-md);
}
.philosophy-icon {
  width: 60px;
  height: 60px;
  background-color: var(--brand-navy);
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  flex-shrink: 0;
}
.philosophy-text h2 {
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
}
.philosophy-quote {
  font-size: 1.2rem;
  font-style: italic;
  color: var(--text-main);
  margin-bottom: 1.5rem;
  font-weight: 500;
}
.tech-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.tech-pills span {
  font-size: 0.8rem;
  font-weight: 700;
  padding: 0.3rem 0.8rem;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-full);
  color: var(--brand-navy);
}
[data-theme="dark"] .tech-pills span {
  color: var(--brand-blue);
}

/* Problems Solved Section */
.problems-section {
  padding: 6rem 0;
}
.problems-interactive-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 2.5rem;
}
.quote-selector-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.quote-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.quote-item:hover {
  border-color: var(--brand-blue);
  transform: translateX(4px);
}
.quote-item.active {
  background-color: var(--brand-navy);
  color: #ffffff;
  border-color: var(--brand-navy);
  box-shadow: var(--shadow-md);
}
.quote-item.active .quote-icon,
.quote-item.active .quote-arrow {
  color: var(--brand-cyan);
}
.quote-icon {
  color: var(--brand-blue);
  font-size: 1.2rem;
}
.quote-text {
  font-weight: 600;
  font-size: 0.95rem;
  flex: 1;
}
.quote-arrow {
  color: var(--text-light);
}

.solution-display-box {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
}
.solution-card {
  display: none;
  width: 100%;
}
.solution-card.active {
  display: block;
  animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.solution-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--brand-blue);
  margin-bottom: 0.75rem;
}
.solution-header h3 {
  font-size: 1.6rem;
  margin-bottom: 1rem;
}
.solution-card p {
  font-size: 1.05rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}
.solution-highlights {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 2rem;
  padding: 1.25rem;
  background-color: var(--bg-subtle);
  border-radius: var(--radius-md);
}
.sh-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 600;
  font-size: 0.95rem;
}
.sh-item i {
  color: #10b981;
}

/* Services Grid */
.services-section {
  padding: 6rem 0;
  background-color: var(--bg-subtle);
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 2rem;
}
.service-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem 1.75rem;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--brand-blue);
}
.service-icon {
  width: 52px;
  height: 52px;
  background-color: rgba(30, 64, 175, 0.1);
  color: var(--brand-blue);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 1.25rem;
}
.service-title {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}
.service-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
  flex: 1;
}
.service-list {
  margin-bottom: 1.5rem;
}
.service-list li {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.service-list i {
  color: var(--brand-blue);
  font-size: 0.8rem;
}
.service-detail-btn {
  background: transparent;
  border: none;
  color: var(--brand-blue);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0;
}
.service-detail-btn:hover {
  gap: 0.7rem;
}

/* Calculator Section */
.calculator-section {
  padding: 6rem 0;
}
.calc-wrapper {
  background: linear-gradient(135deg, var(--brand-navy), #1a3c63);
  color: #ffffff;
  border-radius: var(--radius-lg);
  padding: 4rem 3.5rem;
  box-shadow: var(--shadow-xl);
}
.calc-header h2 {
  color: #ffffff;
  font-size: 2.25rem;
  margin-bottom: 0.75rem;
}
.calc-header p {
  color: #cbd5e1;
  font-size: 1.1rem;
  max-width: 750px;
  margin-bottom: 3rem;
}

.calc-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3.5rem;
  align-items: center;
}
.calc-inputs {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}
.input-group {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.input-label-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.95rem;
  font-weight: 600;
}
.input-value {
  color: var(--brand-cyan);
  font-weight: 800;
}
input[type="range"] {
  width: 100%;
  height: 8px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.2);
  outline: none;
  accent-color: var(--brand-cyan);
  cursor: pointer;
}

.calc-results {
  background-color: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.result-card {
  padding: 1.25rem;
  border-radius: var(--radius-md);
  background-color: rgba(0, 0, 0, 0.2);
}
.result-title {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #94a3b8;
  margin-bottom: 0.3rem;
}
.result-number {
  font-family: var(--font-heading);
  font-size: 2.25rem;
  font-weight: 800;
  color: #ffffff;
}
.result-number.highlight {
  color: #34d399;
}
.result-subtext {
  font-size: 0.85rem;
  color: #cbd5e1;

}

/* Process Section */
.process-section {
  padding: 6rem 0;
  background-color: var(--bg-subtle);
}
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}
.step-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.25rem 1.5rem;
  position: relative;
  box-shadow: var(--shadow-sm);
  text-align: center;
}
.step-number {
  position: absolute;
  top: 1rem;
  right: 1.25rem;
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--border-strong);
  opacity: 0.5;
}
.step-icon {
  width: 56px;
  height: 56px;
  background-color: var(--brand-navy);
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin: 0 auto 1.25rem;
}
.step-card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.75rem;
}
.step-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Contact Section */
.contact-section {
  padding: 6rem 0;
}
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 4rem;
}
.contact-info-col h2 {
  font-size: 2.25rem;
  margin-bottom: 1rem;
}
.contact-info-col p {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.contact-cards-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}
.contact-card-item {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1.25rem;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
}
.cci-icon {
  width: 48px;
  height: 48px;
  background-color: rgba(30, 64, 175, 0.1);
  color: var(--brand-blue);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}
.cci-details {
  display: flex;
  flex-direction: column;
}
.cci-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  color: var(--text-light);
  font-weight: 700;
}
.cci-val {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-main);
}
.cci-sub {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.service-guarantee {
  display: flex;
  gap: 1rem;
  padding: 1.25rem;
  background-color: var(--bg-accent-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}
.service-guarantee i {
  font-size: 1.75rem;
  color: var(--brand-blue);
}
.service-guarantee strong {
  display: block;
  font-size: 0.95rem;
}
.service-guarantee p {
  font-size: 0.85rem;
  margin-bottom: 0;
}

.contact-form {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-lg);
}
.contact-form h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}
.contact-form > p {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}
.form-group {
  margin-bottom: 1.25rem;
}
.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  background-color: var(--bg-main);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  color: var(--text-main);
  outline: none;
  transition: border-color var(--transition-fast);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--brand-blue);
  box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.15);
}

.form-feedback {
  margin-top: 1.25rem;
  padding: 1rem;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 600;
  display: none;
}
.form-feedback.success {
  display: block;
  background-color: #d1fae5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}

/* Footer */
.footer {
  background-color: var(--brand-navy-dark);
  color: #94a3b8;
  padding: 4rem 0 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}
.footer-content {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 1fr;
  gap: 3.5rem;
}
.brand-logo.light {
  color: #ffffff;
  margin-bottom: 1rem;
}
.copyright {
  margin-top: 1.5rem;
  font-size: 0.85rem;
}
.footer h4 {
  color: #ffffff;
  font-size: 1.1rem;
  margin-bottom: 1.25rem;
}
.footer-links ul li {
  margin-bottom: 0.6rem;
}
.footer-links a {
  color: #cbd5e1;
}
.footer-links a:hover {
  color: var(--brand-cyan);
}
.footer-contact p {
  margin-bottom: 0.6rem;
  font-size: 0.95rem;
  color: #cbd5e1;
}

/* Service Detail Modal Backdrop */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}
.modal-backdrop.active {
  display: flex;
  animation: fadeIn 0.3s ease;
}
.modal-box {
  background-color: var(--bg-surface);
  border-radius: var(--radius-lg);
  max-width: 650px;
  width: 100%;
  padding: 2.5rem;
  position: relative;
  box-shadow: var(--shadow-xl);
  max-height: 90vh;
  overflow-y: auto;
}
.modal-close {
  position: absolute;
  top: 1rem;
  right: 1.25rem;
  background: transparent;
  border: none;
  font-size: 2rem;
  cursor: pointer;
  color: var(--text-light);
}

/* Responsive Breakpoints */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .hero-title {
    font-size: 2.5rem;
  }
  .problems-interactive-grid {
    grid-template-columns: 1fr;
  }
  .calc-grid {
    grid-template-columns: 1fr;
  }
  .process-steps {
    grid-template-columns: 1fr 1fr;
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .footer-content {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .top-info .divider, .top-info span:first-child {
    display: none;
  }
  .mobile-toggle {
    display: flex;
  }
  .nav-menu {
    position: absolute;
    top: 80px;
    left: 0;
    width: 100%;
    background-color: var(--bg-surface);
    flex-direction: column;
    padding: 2rem;
    gap: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    display: none;
  }
  .nav-menu.active {
    display: flex;
  }
  .philosophy-box {
    flex-direction: column;
    padding: 2rem;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .process-steps {
    grid-template-columns: 1fr;
  }
}