/* ==========================================================================
   Impressive Technology — Stylesheet
   Theme: White Backgrounds, Crisp Dark Grey Type, Lime Green Highlight Elements
   Typography: Plus Jakarta Sans (Display & Body) & JetBrains Mono (Tech/Accents)
   ========================================================================== */

:root {
  /* Core Color Palette */
  --bg-white: #ffffff;
  --bg-slate-50: #f8fafc;
  --bg-slate-100: #f1f5f9;
  --bg-slate-200: #e2e8f0;

  /* Crisp Dark Grey Type */
  --text-dark: #0f172a;        /* Deep charcoal / slate-900 */
  --text-body: #334155;        /* Crisp reading dark grey / slate-700 */
  --text-muted: #64748b;       /* Muted technical gray / slate-500 */
  --text-subtle: #94a3b8;      /* Borders / separators */

  /* Lime Green Highlights */
  --lime-highlight: #84cc16;   /* Electric Lime (500) */
  --lime-bright: #a3e635;      /* Light lime hover (400) */
  --lime-deep: #4d7c0f;        /* Deep contrast lime for text (700) */
  --lime-tint: #f7fee7;        /* Ultra light lime tint (50) */
  --lime-badge-bg: #ecfccb;    /* Pastel lime (100) */
  --lime-border: #bef264;      /* Soft lime border (300) */
  --lime-glow: rgba(132, 204, 22, 0.35);

  /* Form & Status */
  --error-color: #dc2626;
  --error-bg: #fef2f2;
  --success-color: #16a34a;

  /* Typography */
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Borders & Shadows */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 2px 0 rgba(15, 23, 42, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.07), 0 2px 4px -2px rgba(15, 23, 42, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -4px rgba(15, 23, 42, 0.04);
  --shadow-lime: 0 8px 24px -4px var(--lime-glow);

  /* Container & Layout */
  --container-max: 1200px;
  --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-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-body);
  background-color: var(--bg-white);
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

/* Highlight text selection in lime green */
::selection {
  background-color: var(--lime-badge-bg);
  color: var(--text-dark);
}

/* Custom Scrollbar with Lime Accent */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-slate-50);
}
::-webkit-scrollbar-thumb {
  background: var(--lime-highlight);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--lime-bright);
}

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

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

button, input, select, textarea {
  font: inherit;
}

/* Accessibility Focus Ring */
:focus-visible {
  outline: 3px solid var(--lime-highlight);
  outline-offset: 2px;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* Section Common */
.section {
  padding: 5.5rem 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 3.5rem auto;
}

.section-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--lime-deep);
  background-color: var(--lime-badge-bg);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
  border: 1px solid var(--lime-border);
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.2;
  color: var(--text-dark);
  margin-bottom: 1.25rem;
}

.section-lead {
  font-size: 1.125rem;
  color: var(--text-body);
  line-height: 1.7;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--bg-slate-200);
  transition: box-shadow var(--transition-normal);
}

.site-header.scrolled {
  box-shadow: var(--shadow-sm);
}

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

.brand-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

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

.brand-logo {
  transition: transform var(--transition-fast);
}

.brand-link:hover .brand-logo {
  transform: scale(1.05);
}

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

.brand-name {
  font-family: var(--font-mono);
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-dark);
  line-height: 1.1;
}

.brand-accent {
  color: var(--lime-highlight);
}

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

.nav-menu {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-body);
  position: relative;
  padding: 0.5rem 0;
}

.nav-link:hover {
  color: var(--text-dark);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background-color: var(--lime-highlight);
  transition: width var(--transition-fast);
}

.nav-link:hover::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Mobile Toggle Hamburger */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  width: 40px;
  height: 40px;
  position: relative;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
}

.mobile-toggle .bar {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--text-dark);
  border-radius: 2px;
  transition: all var(--transition-normal);
}

.mobile-toggle[aria-expanded="true"] .bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.mobile-toggle[aria-expanded="true"] .bar:nth-child(2) {
  opacity: 0;
}
.mobile-toggle[aria-expanded="true"] .bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--lime-highlight);
  color: var(--text-dark);
  box-shadow: 0 2px 8px var(--lime-glow);
}

.btn-primary:hover {
  background-color: var(--lime-bright);
  transform: translateY(-1px);
  box-shadow: var(--shadow-lime);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background-color: var(--bg-white);
  color: var(--text-dark);
  border-color: var(--bg-slate-200);
}

.btn-secondary:hover {
  background-color: var(--bg-slate-50);
  border-color: var(--text-muted);
}

.btn-sm {
  font-size: 0.875rem;
  padding: 0.5rem 1rem;
}

.btn-lg {
  font-size: 1rem;
  padding: 0.875rem 1.75rem;
}

.btn-arrow {
  transition: transform var(--transition-fast);
}

.btn:hover .btn-arrow {
  transform: translateX(3px);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero-section {
  padding: 5rem 0 4rem 0;
  background-color: var(--bg-white);
  border-bottom: 1px solid var(--bg-slate-100);
  position: relative;
  overflow: hidden;
}

/* Subtle background tech grid pattern */
.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    radial-gradient(var(--bg-slate-200) 1px, transparent 1px);
  background-size: 24px 24px;
  opacity: 0.45;
  pointer-events: none;
}

.hero-container {
  position: relative;
  max-width: 900px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 1rem;
  background-color: var(--bg-slate-50);
  border: 1px solid var(--bg-slate-200);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-dark);
  margin-bottom: 2rem;
  box-shadow: var(--shadow-sm);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background-color: var(--lime-highlight);
  border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(132, 204, 22, 0.7);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(132, 204, 22, 0.7);
  }
  70% {
    box-shadow: 0 0 0 8px rgba(132, 204, 22, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(132, 204, 22, 0);
  }
}

.hero-title {
  font-size: clamp(2.5rem, 5.5vw, 4rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.04em;
  color: var(--text-dark);
  margin-bottom: 1.5rem;
}

.highlight-wrapper {
  position: relative;
  display: inline-block;
  white-space: nowrap;
}

.highlight-text {
  position: relative;
  z-index: 2;
}

.highlight-underline {
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 100%;
  height: 12px;
  z-index: 1;
}

.hero-description {
  font-size: clamp(1.125rem, 2vw, 1.25rem);
  line-height: 1.7;
  color: var(--text-body);
  max-width: 740px;
  margin-bottom: 2.5rem;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  margin-bottom: 4rem;
  flex-wrap: wrap;
}

/* Metric / Highlights Strip */
.hero-highlights {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  width: 100%;
  border-top: 1px solid var(--bg-slate-200);
  padding-top: 3rem;
}

.highlight-card {
  text-align: left;
  padding: 1.25rem;
  background-color: var(--bg-white);
  border: 1px solid var(--bg-slate-200);
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
}

.highlight-card:hover {
  border-color: var(--lime-highlight);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}

.highlight-num {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 0.25rem;
}

.highlight-label {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 0.375rem;
}

.highlight-detail {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ==========================================================================
   Services Grid
   ========================================================================== */

.services-section {
  background-color: var(--bg-slate-50);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 2rem;
}

.service-card {
  background-color: var(--bg-white);
  border: 1px solid var(--bg-slate-200);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  position: relative;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  border-color: var(--lime-highlight);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.service-icon-wrap {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background-color: var(--bg-slate-100);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dark);
  margin-bottom: 1.5rem;
  border: 1px solid var(--bg-slate-200);
  transition: all var(--transition-fast);
}

.service-card:hover .service-icon-wrap {
  background-color: var(--lime-badge-bg);
  border-color: var(--lime-border);
  color: var(--lime-deep);
}

.service-index {
  position: absolute;
  top: 1.75rem;
  right: 2rem;
  font-family: var(--font-mono);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--bg-slate-200);
  transition: color var(--transition-fast);
}

.service-card:hover .service-index {
  color: var(--lime-highlight);
}

.service-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 0.75rem;
  line-height: 1.3;
}

.service-desc {
  font-size: 0.9375rem;
  color: var(--text-body);
  line-height: 1.6;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.service-features {
  list-style: none;
  border-top: 1px solid var(--bg-slate-100);
  padding-top: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.service-features li {
  font-size: 0.8125rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.service-features li::before {
  content: '✓';
  color: var(--lime-deep);
  font-weight: bold;
}

/* ==========================================================================
   Expertise & Tech Stack
   ========================================================================== */

.expertise-section {
  background-color: var(--bg-white);
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.tech-category-card {
  border: 1px solid var(--bg-slate-200);
  border-radius: var(--radius-lg);
  padding: 2rem;
  background-color: var(--bg-white);
  transition: border-color var(--transition-fast);
}

.tech-category-card:hover {
  border-color: var(--lime-highlight);
}

.tech-category-title {
  font-size: 1.1875rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.lime-bullet {
  color: var(--lime-highlight);
  font-size: 0.75rem;
}

.tech-category-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  line-height: 1.5;
}

.pill-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tech-pill {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-dark);
  background-color: var(--bg-slate-50);
  border: 1px solid var(--bg-slate-200);
  padding: 0.375rem 0.75rem;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.tech-pill:hover {
  background-color: var(--lime-tint);
  border-color: var(--lime-highlight);
  color: var(--text-dark);
}

/* ==========================================================================
   Approach / Why Us
   ========================================================================== */

.approach-section {
  background-color: var(--bg-slate-50);
}

.approach-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.approach-card {
  background-color: var(--bg-white);
  border: 1px solid var(--bg-slate-200);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all var(--transition-fast);
}

.approach-card:hover {
  border-color: var(--lime-highlight);
  transform: translateY(-2px);
}

.approach-number {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--lime-deep);
  margin-bottom: 1rem;
}

.approach-heading {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 0.75rem;
}

.approach-text {
  font-size: 0.875rem;
  color: var(--text-body);
  line-height: 1.6;
}

/* ==========================================================================
   Contact Section & Interactive Form
   (Adheres to Modern Web Guidance on Forms & Input Validation)
   ========================================================================== */

.contact-section {
  background-color: var(--bg-white);
  border-top: 1px solid var(--bg-slate-200);
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 4rem;
  align-items: start;
}

.contact-title {
  font-size: clamp(2rem, 3vw, 2.5rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.03em;
  color: var(--text-dark);
  margin-bottom: 1rem;
}

.contact-text {
  font-size: 1.0625rem;
  color: var(--text-body);
  line-height: 1.7;
  margin-bottom: 2.5rem;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.contact-detail-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.detail-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background-color: var(--bg-slate-100);
  border: 1px solid var(--bg-slate-200);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dark);
  flex-shrink: 0;
}

.detail-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 0.125rem;
}

.detail-value {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-dark);
}

.detail-value.mono-val {
  font-family: var(--font-mono);
  color: var(--lime-deep);
}

/* Monogram Card */
.brand-monogram-card {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1.25rem;
  background-color: var(--bg-slate-50);
  border: 1px solid var(--bg-slate-200);
  border-radius: var(--radius-lg);
}

.monogram-badge {
  background: var(--bg-white);
  border: 1px solid var(--bg-slate-200);
  border-radius: var(--radius-md);
  padding: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.monogram-title {
  display: block;
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 0.25rem;
}

.monogram-desc {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* Contact Form Box */
.form-wrapper {
  background-color: var(--bg-white);
  border: 1px solid var(--bg-slate-200);
  border-radius: var(--radius-xl);
  padding: 2.75rem;
  box-shadow: var(--shadow-md);
}

.form-heading {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-dark);
  margin-bottom: 0.375rem;
}

.form-subheading {
  font-size: 0.9375rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.field {
  display: flex;
  flex-direction: column;
}

.field label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 0.25rem;
}

.required-mark {
  color: var(--error-color);
}

/* MANDATORY per modern-web-guidance: Format hints placed ABOVE input */
.hint {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-bottom: 0.375rem;
}

.error-msg {
  display: none;
  font-size: 0.8125rem;
  color: var(--error-color);
  margin-top: 0.375rem;
  font-weight: 500;
}

/* Form Controls */
input[type="text"],
input[type="email"],
select,
textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 0.9375rem;
  color: var(--text-dark);
  background-color: var(--bg-slate-50);
  border: 1px solid var(--bg-slate-200);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

input::placeholder,
textarea::placeholder {
  color: var(--text-subtle);
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  background-color: var(--bg-white);
  border-color: var(--lime-highlight);
  box-shadow: 0 0 0 3px var(--lime-glow);
}

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

/* Modern Validation Feedback with :user-invalid and :user-valid per guide */
input:user-invalid,
textarea:user-invalid,
input.user-invalid-fallback,
textarea.user-invalid-fallback {
  border-color: var(--error-color);
  background-color: var(--error-bg);
}

input:user-invalid + .error-msg,
textarea:user-invalid + .error-msg,
input.user-invalid-fallback + .error-msg,
textarea.user-invalid-fallback + .error-msg {
  display: block;
}

input:user-valid:not(:placeholder-shown),
textarea:user-valid:not(:placeholder-shown),
input.user-valid-fallback,
textarea.user-valid-fallback {
  border-color: var(--success-color);
}

.form-submit-row {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 0.5rem;
}

.btn-submit {
  width: 100%;
  padding: 1rem;
  font-size: 1rem;
}

.direct-mail-note {
  font-size: 0.8125rem;
  color: var(--text-muted);
  text-align: center;
}

.direct-mail-note a {
  color: var(--text-dark);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: var(--lime-highlight);
}

.direct-mail-note a:hover {
  color: var(--lime-deep);
}

/* Form Alert Boxes */
.form-alert {
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  line-height: 1.5;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.alert-success {
  background-color: var(--lime-tint);
  border: 1px solid var(--lime-border);
  color: var(--text-dark);
}

.alert-icon {
  font-weight: bold;
  color: var(--lime-deep);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  background-color: var(--bg-slate-50);
  border-top: 1px solid var(--bg-slate-200);
  padding: 4.5rem 0 2.5rem 0;
  margin-top: auto;
}

.footer-container {
  display: grid;
  grid-template-columns: 1.25fr 2fr;
  gap: 4rem;
  margin-bottom: 3.5rem;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.footer-tagline {
  font-size: 0.9375rem;
  color: var(--text-muted);
  max-width: 380px;
  line-height: 1.6;
}

.footer-links-group {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.footer-col-title {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-dark);
  margin-bottom: 1.25rem;
}

.footer-nav {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-nav a,
.footer-nav span {
  font-size: 0.875rem;
  color: var(--text-body);
}

.footer-nav a:hover {
  color: var(--lime-deep);
}

.footer-mono {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-dark);
}

.footer-subtext {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.footer-bottom {
  border-top: 1px solid var(--bg-slate-200);
  padding-top: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8125rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 1rem;
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */

@media (max-width: 992px) {
  .contact-layout {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .footer-container {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .hero-highlights {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 76px;
    left: 0;
    right: 0;
    background-color: var(--bg-white);
    border-bottom: 1px solid var(--bg-slate-200);
    padding: 1.5rem;
    box-shadow: var(--shadow-lg);
    display: none;
  }

  .nav-menu.open {
    display: block;
  }

  .nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.25rem;
  }

  .mobile-toggle {
    display: flex;
  }

  .header-actions .btn {
    display: none;
  }

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

  .form-wrapper {
    padding: 1.75rem;
  }

  .footer-links-group {
    grid-template-columns: 1fr 1fr;
  }

  .title-break {
    display: none;
  }
}

@media (max-width: 480px) {
  .footer-links-group {
    grid-template-columns: 1fr;
  }
}