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

/* Core Variable Declarations */
:root {
  --primary: #0A3222;        /* Pine/Forest Green */
  --primary-light: #124C35;  /* Green Hover State */
  --secondary: #0D2B45;      /* Slate Blue */
  --accent: #D4AF37;         /* Amber Gold for Highlights */
  --accent-rgb: 212, 175, 55;
  --background: #06090E;     /* Pitch Black/Slate Shadow */
  --surface: #10141D;        /* Deep surface card color */
  --surface-hover: #161C29;  /* Card hover color */
  --text-main: #F4F6F9;      /* Off-white */
  --text-muted: #9CA3AF;     /* Soft slate grey */
  --border: #1E2533;         /* Subtle border line */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.5);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.7);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.8);
  --glass-bg: rgba(16, 20, 29, 0.75);
  --glass-border: rgba(255, 255, 255, 0.04);
}

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

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

body {
  background-color: var(--background);
  color: var(--text-main);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

a {
  color: inherit;
  text-decoration: none;
  transition: all 0.25s ease;
}

/* Main Layout Grid */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header & Navigation */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(6, 9, 14, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: all 0.3s ease;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-main);
}

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

.logo-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1rem;
  color: #fff;
  box-shadow: 0 0 15px rgba(212, 175, 55, 0.3);
}

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

.nav-link {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text-muted);
  position: relative;
  padding: 0.5rem 0;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--accent);
  transition: width 0.3s ease;
}

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

.nav-cta {
  background-color: var(--primary);
  color: var(--text-main);
  padding: 0.6rem 1.2rem;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  font-weight: 600;
  font-size: 0.9rem;
}

.nav-cta:hover {
  background-color: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(10, 50, 34, 0.3);
}

/* Sections Base Styling */
section {
  padding: 8rem 0 4rem;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 4rem;
}

.section-tag {
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 0.75rem;
  display: inline-block;
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.75rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: var(--text-main);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 4px 20px rgba(10, 50, 34, 0.25);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(10, 50, 34, 0.4), 0 0 15px rgba(212, 175, 55, 0.2);
  border-color: var(--accent);
}

.btn-secondary {
  background-color: rgba(255, 255, 255, 0.04);
  color: var(--text-main);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.08);
  border-color: var(--text-muted);
  transform: translateY(-3px);
}

/* Hero Section */
.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  position: relative;
  background: radial-gradient(circle at 80% 20%, rgba(10, 50, 34, 0.15) 0%, transparent 60%),
              radial-gradient(circle at 10% 80%, rgba(13, 43, 69, 0.2) 0%, transparent 60%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 4rem;
  align-items: center;
}

.hero-content h1 {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, #fff 40%, var(--text-muted) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-content p {
  font-size: 1.2rem;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  max-width: 650px;
}

.hero-ctas {
  display: flex;
  gap: 1rem;
}

.hero-artwork {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-sphere {
  width: 300px;
  height: 300px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
  animation: pulse 8s infinite alternate;
}

.hero-badge-card {
  position: absolute;
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  padding: 1.5rem;
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  max-width: 250px;
}

.hero-badge-card.pos-1 {
  top: 10%;
  left: 5%;
}

.hero-badge-card.pos-2 {
  bottom: 10%;
  right: 5%;
}

.hero-badge-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.hero-badge-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.accent-bullet {
  width: 8px;
  height: 8px;
  background-color: var(--accent);
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 0 8px var(--accent);
}

/* Feature/Why Us Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.feature-card {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2.5rem;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}

.feature-card:hover {
  transform: translateY(-5px);
  border-color: var(--primary-light);
  box-shadow: var(--shadow-md), 0 0 20px rgba(10, 50, 34, 0.15);
  background-color: var(--surface-hover);
}

.feature-icon-wrapper {
  width: 48px;
  height: 48px;
  background-color: rgba(10, 50, 34, 0.2);
  border: 1px solid rgba(10, 50, 34, 0.4);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
}

.feature-card h3 {
  font-size: 1.35rem;
  margin-bottom: 1rem;
}

.feature-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Split Banner Section (Arkansas local advantage) */
.split-banner {
  background: linear-gradient(180deg, var(--background) 0%, rgba(13, 43, 69, 0.1) 50%, var(--background) 100%);
}

.split-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.split-image-panel {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 3rem;
  min-height: 400px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.split-image-panel::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at center, rgba(10, 50, 34, 0.15) 0%, transparent 60%);
  pointer-events: none;
}

.split-graphic-heading {
  font-family: var(--font-heading);
  font-size: 4rem;
  font-weight: 800;
  line-height: 1;
  color: rgba(255, 255, 255, 0.03);
  text-transform: uppercase;
  user-select: none;
  margin-bottom: 1rem;
}

.split-graphic-sub {
  color: var(--accent);
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.split-graphic-stat {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 800;
  color: var(--text-main);
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
}

.split-graphic-stat span {
  font-size: 1rem;
  color: var(--text-muted);
  font-weight: 400;
}

.split-text-panel h2 {
  font-size: 2.25rem;
  margin-bottom: 1.5rem;
}

.split-text-panel p {
  color: var(--text-muted);
  font-size: 1.1rem;
  margin-bottom: 2rem;
}

.split-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.split-list-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.split-list-icon {
  margin-top: 0.25rem;
  color: var(--accent);
  font-size: 1.1rem;
}

.split-list-text h4 {
  font-size: 1.05rem;
  margin-bottom: 0.25rem;
}

.split-list-text p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 0;
}

/* About/Mission section */
.about-mission-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 5rem;
  align-items: center;
}

.about-text h2 {
  font-size: 2.25rem;
  margin-bottom: 1.5rem;
}

.about-text p {
  color: var(--text-muted);
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
}

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

.stat-box {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  text-align: center;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 0.25rem;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

/* Services Page Tiers Layout */
.services-tiers {
  display: flex;
  flex-direction: column;
  gap: 3rem;
  margin-top: 2rem;
}

.tier-row {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: var(--shadow-sm);
}

.tier-row:hover {
  border-color: rgba(212, 175, 55, 0.3);
  box-shadow: var(--shadow-md);
}

.tier-main {
  display: grid;
  grid-template-columns: 80px 1.5fr 1fr;
  align-items: center;
  padding: 2.5rem;
  gap: 2rem;
  cursor: pointer;
  user-select: none;
}

.tier-number-badge {
  width: 60px;
  height: 60px;
  background-color: rgba(10, 50, 34, 0.25);
  border: 1px solid rgba(10, 50, 34, 0.5);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--accent);
}

.tier-info h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.tier-info p {
  color: var(--text-muted);
  font-size: 1rem;
  max-width: 550px;
}

.tier-toggle-section {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 1.5rem;
}

.tier-action-hint {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent);
}

.tier-arrow {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease;
}

.tier-arrow svg {
  fill: var(--text-main);
  transition: transform 0.3s ease;
}

.tier-row.active .tier-arrow {
  transform: rotate(180deg);
  background-color: var(--primary);
  border-color: rgba(255, 255, 255, 0.1);
}

.tier-details {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  background-color: rgba(6, 9, 14, 0.4);
  border-top: 1px solid transparent;
}

.tier-row.active .tier-details {
  border-top: 1px solid var(--border);
}

.tier-details-content {
  padding: 3rem;
}

.tier-details-title {
  font-size: 1.1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-main);
  margin-bottom: 1.5rem;
  border-left: 3px solid var(--accent);
  padding-left: 0.75rem;
}

.tech-specs-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

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

.spec-marker {
  color: var(--accent);
  font-size: 1rem;
  margin-top: 0.2rem;
}

.spec-text h4 {
  font-size: 1.1rem;
  margin-bottom: 0.25rem;
  font-weight: 600;
}

.spec-text p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Contact Intake Section */
.contact-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 4rem;
  align-items: flex-start;
}

.contact-info-panel {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contact-info-title {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.contact-info-desc {
  color: var(--text-muted);
  font-size: 1.1rem;
  margin-bottom: 1rem;
}

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

.contact-card {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.75rem;
  display: flex;
  gap: 1.25rem;
  align-items: center;
}

.contact-card-icon {
  width: 48px;
  height: 48px;
  background-color: rgba(212, 175, 55, 0.08);
  border: 1px solid rgba(212, 175, 55, 0.2);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 1.25rem;
}

.contact-card-text h4 {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
}

.contact-card-text p {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-main);
}

/* Form Styling */
.contact-form-panel {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 3.5rem;
  box-shadow: var(--shadow-lg);
  position: relative;
}

.form-segment {
  margin-bottom: 2.5rem;
}

.segment-title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.radio-cards-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.radio-card {
  position: relative;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.5rem;
  cursor: pointer;
  transition: all 0.25s ease;
  background-color: rgba(6, 9, 14, 0.3);
}

.radio-card:hover {
  border-color: var(--text-muted);
}

.radio-card input[type="radio"] {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  accent-color: var(--accent);
}

.radio-card-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.radio-card-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Dynamic State Classes */
.radio-card.active-emergency {
  border-color: #EF4444;
  background-color: rgba(239, 68, 68, 0.05);
}

.radio-card.active-emergency .radio-card-title {
  color: #F87171;
}

.radio-card.active-quote {
  border-color: var(--accent);
  background-color: rgba(212, 175, 55, 0.05);
}

.form-fields-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group.full-width {
  grid-column: span 2;
}

label {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.input-ctrl {
  background-color: #06090E;
  border: 1px solid var(--border);
  color: var(--text-main);
  border-radius: 8px;
  padding: 0.85rem 1.1rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: all 0.25s ease;
}

.input-ctrl:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 10px rgba(212, 175, 55, 0.15);
}

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

/* Dispatch Banner Overlay */
.dispatch-overlay-card {
  background: linear-gradient(135deg, #7F1D1D, #450A0A);
  border: 1px solid #EF4444;
  border-radius: 12px;
  padding: 2rem;
  margin-bottom: 2rem;
  display: none;
  animation: slideDown 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.dispatch-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.35rem;
  color: #FECACA;
  margin-bottom: 0.75rem;
}

.dispatch-header svg {
  fill: #F87171;
  animation: blink 1.2s infinite;
}

.dispatch-body {
  color: #FCA5A5;
  font-size: 0.95rem;
  line-height: 1.5;
}

/* Success State Panel */
.form-success-card {
  display: none;
  text-align: center;
  padding: 3rem 1.5rem;
  animation: fadeIn 0.5s ease;
}

.success-icon {
  width: 64px;
  height: 64px;
  background-color: rgba(10, 50, 34, 0.3);
  border: 1px solid rgba(212, 175, 55, 0.5);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 2rem;
  margin: 0 auto 1.5rem;
}

.form-success-card h3 {
  font-size: 1.75rem;
  margin-bottom: 1rem;
}

.form-success-card p {
  color: var(--text-muted);
  max-width: 500px;
  margin: 0 auto 2rem;
}

/* Footer Section */
footer {
  border-top: 1px solid var(--border);
  background-color: #040609;
  padding: 5rem 0 3rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 0.8fr 1.2fr;
  gap: 4rem;
  margin-bottom: 4rem;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-top: 1.25rem;
  max-width: 280px;
}

.footer-col h4 {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-main);
  margin-bottom: 1.5rem;
  font-weight: 700;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-links a:hover {
  color: var(--accent);
  padding-left: 0.25rem;
}

.footer-contact-info {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-contact-item {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-contact-item svg {
  margin-top: 0.25rem;
  fill: var(--accent);
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-copy {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.footer-legal-links {
  display: flex;
  gap: 1.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-legal-links a:hover {
  color: var(--text-main);
}

/* Animations */
@keyframes pulse {
  0% {
    transform: scale(1);
    opacity: 0.35;
  }
  100% {
    transform: scale(1.1);
    opacity: 0.45;
  }
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* Responsive Breakpoints */
@media (max-width: 1024px) {
  .hero-grid,
  .about-mission-grid {
    grid-template-columns: 1fr;
    gap: 4rem;
  }
  .hero-artwork {
    justify-content: flex-start;
    height: 350px;
  }
  .hero-sphere {
    width: 250px;
    height: 250px;
  }
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .split-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 4rem;
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
  }
}

@media (max-width: 768px) {
  section {
    padding: 6rem 0 3rem;
  }
  .navbar {
    height: 70px;
  }
  .nav-links {
    display: none; /* Mobile nav burger would go here */
  }
  .hero-content h1 {
    font-size: 2.75rem;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .tier-main {
    grid-template-columns: 60px 1fr;
    padding: 1.5rem;
    gap: 1.25rem;
  }
  .tier-toggle-section {
    grid-column: span 2;
    justify-content: space-between;
    border-top: 1px solid var(--border);
    padding-top: 1rem;
    margin-top: 0.5rem;
  }
  .tier-details-content {
    padding: 1.5rem;
  }
  .tech-specs-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .contact-form-panel {
    padding: 2rem;
  }
  .radio-cards-grid,
  .form-fields-grid {
    grid-template-columns: 1fr;
  }
  .form-group.full-width {
    grid-column: span 1;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}