/* ═══════════════════════════════════════════════════════════════
   ArcticFlame HVAC — Premium Landing Page Styles
   ═══════════════════════════════════════════════════════════════ */

/* ── DESIGN TOKENS ──────────────────────────────────────────── */
:root {
  /* Deep navy / slate background palette */
  --bg-primary:    #0b1120;
  --bg-secondary:  #111827;
  --bg-card:       #1a2332;
  --bg-card-hover: #1f2b3d;
  --bg-alt:        #0f1729;

  /* Accent colors — cool blue (AC) + warm orange (heating) */
  --accent-cool:   #38bdf8;
  --accent-warm:   #f97316;
  --accent-cool-dim: rgba(56, 189, 248, 0.15);
  --accent-warm-dim: rgba(249, 115, 22, 0.12);

  /* Gradient */
  --gradient-brand: linear-gradient(135deg, #38bdf8, #2563eb);
  --gradient-warm:  linear-gradient(135deg, #f97316, #ef4444);
  --gradient-hero:  linear-gradient(180deg, rgba(11,17,32,0.2) 0%, rgba(11,17,32,0.92) 100%);

  /* Text */
  --text-primary:  #f1f5f9;
  --text-secondary:#94a3b8;
  --text-dim:      #64748b;
  --text-accent:   #38bdf8;

  /* Borders */
  --border:        rgba(148, 163, 184, 0.1);
  --border-focus:  rgba(56, 189, 248, 0.5);

  /* Misc */
  --radius:        12px;
  --radius-lg:     20px;
  --radius-sm:     8px;
  --shadow:        0 4px 24px rgba(0,0,0,0.3);
  --shadow-lg:     0 12px 48px rgba(0,0,0,0.5);
  --transition:    0.3s cubic-bezier(0.4, 0, 0.2, 1);

  /* Layout */
  --container:     1200px;
  --header-h:      72px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1,h2,h3,h4,h5 {
  font-family: 'Outfit', 'Inter', sans-serif;
  font-weight: 700;
  line-height: 1.2;
}

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

a { color: var(--accent-cool); text-decoration: none; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.center { text-align: center; }

/* ── HEADER ─────────────────────────────────────────────────── */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--header-h);
  display: flex;
  align-items: center;
  transition: background var(--transition), box-shadow var(--transition);
  background: transparent;
}

.site-header.scrolled {
  background: rgba(11, 17, 32, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.site-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-text {
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  font-size: 22px;
  color: var(--text-primary);
  letter-spacing: -0.5px;
}

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

.nav-links {
  display: flex;
  list-style: none;
  gap: 8px;
  align-items: center;
}

.nav-links a {
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}

.nav-links a:hover {
  color: var(--text-primary);
  background: rgba(255,255,255,0.05);
}

.nav-cta {
  background: var(--gradient-brand) !important;
  color: #fff !important;
  padding: 10px 22px !important;
  border-radius: var(--radius) !important;
  font-weight: 600 !important;
  transition: transform var(--transition), box-shadow var(--transition) !important;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(56, 189, 248, 0.35);
  background: var(--gradient-brand) !important;
}

/* Mobile toggle */
.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

/* ── HERO ───────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

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

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.05);
  animation: heroZoom 20s ease-in-out infinite alternate;
}

@keyframes heroZoom {
  0% { transform: scale(1.05); }
  100% { transform: scale(1.12); }
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: var(--gradient-hero);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
  padding: 120px 24px 80px;
}

.hero-badge {
  display: inline-block;
  background: rgba(56, 189, 248, 0.12);
  color: var(--accent-cool);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1.5px;
  padding: 8px 20px;
  border-radius: 100px;
  border: 1px solid rgba(56, 189, 248, 0.25);
  margin-bottom: 28px;
  animation: fadeInDown 0.8s ease;
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4.2rem);
  font-weight: 800;
  margin-bottom: 20px;
  animation: fadeInUp 0.8s ease 0.1s both;
}

.hero h1 em {
  font-style: normal;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto 36px;
  animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-ctas {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease 0.3s both;
}

.hero-trust {
  display: flex;
  gap: 32px;
  justify-content: center;
  align-items: center;
  margin-top: 48px;
  animation: fadeInUp 0.8s ease 0.4s both;
}

.trust-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.trust-num {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 24px;
  color: var(--accent-cool);
}

.trust-label {
  font-size: 12px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.trust-sep {
  width: 1px;
  height: 36px;
  background: var(--border);
}

/* ── BUTTONS ────────────────────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--gradient-brand);
  color: #fff;
  font-family: 'Outfit', sans-serif;
  font-weight: 600;
  font-size: 16px;
  padding: 14px 32px;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(56, 189, 248, 0.3);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--text-primary);
  font-family: 'Outfit', sans-serif;
  font-weight: 600;
  font-size: 16px;
  padding: 14px 32px;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
}

.btn-outline:hover {
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.35);
  transform: translateY(-2px);
}

/* ── STATS BAR ──────────────────────────────────────────────── */
.stats-bar {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 40px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}

.stat-num {
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  font-size: 36px;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 13px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 4px;
}

/* ── SECTIONS ───────────────────────────────────────────────── */
.section {
  padding: 100px 0;
}

.section--dark { background: var(--bg-primary); }
.section--alt  { background: var(--bg-secondary); }

.section-eyebrow {
  display: block;
  text-align: center;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent-warm);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 12px;
}

.section-eyebrow.light { color: var(--accent-cool); }

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  margin-bottom: 16px;
}

.section-desc {
  color: var(--text-secondary);
  font-size: 17px;
  max-width: 640px;
  margin: 0 auto 48px;
}

/* ── SERVICES GRID ──────────────────────────────────────────── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gradient-brand);
  opacity: 0;
  transition: opacity var(--transition);
}

.service-card:hover {
  transform: translateY(-4px);
  border-color: rgba(56, 189, 248, 0.3);
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}

.service-card:hover::before { opacity: 1; }

.service-icon {
  font-size: 36px;
  margin-bottom: 16px;
}

.service-card h4 {
  font-size: 18px;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.service-card p {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.7;
}

/* ── WHY US SPLIT ───────────────────────────────────────────── */
.why-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.why-img img {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}

.why-content {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.why-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.why-icon {
  font-size: 24px;
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-cool-dim);
  border-radius: var(--radius-sm);
}

.why-item h4 {
  font-size: 16px;
  margin-bottom: 4px;
}

.why-item p {
  font-size: 14px;
  color: var(--text-secondary);
}

/* ── CAREERS BANNER ─────────────────────────────────────────── */
.careers-banner {
  position: relative;
  padding: 100px 24px;
  text-align: center;
  overflow: hidden;
}

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

.careers-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.careers-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11,17,32,0.85) 0%, rgba(11,17,32,0.95) 100%);
  z-index: 1;
}

.careers-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  margin: 0 auto;
}

.careers-content h2 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  margin-bottom: 16px;
}

.careers-content p {
  font-size: 17px;
  color: var(--text-secondary);
  margin-bottom: 40px;
}

.careers-perks {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 40px;
}

.perk {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 16px;
  font-size: 14px;
  color: var(--text-secondary);
  transition: border-color var(--transition), transform var(--transition);
}

.perk:hover {
  border-color: var(--accent-cool);
  transform: translateY(-2px);
}

.perk strong {
  color: var(--text-primary);
  display: block;
  margin-top: 4px;
}

/* ── TESTIMONIALS ───────────────────────────────────────────── */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition), border-color var(--transition);
}

.testimonial-card:hover {
  transform: translateY(-4px);
  border-color: rgba(249, 115, 22, 0.3);
}

.testimonial-stars {
  color: var(--accent-warm);
  font-size: 18px;
  letter-spacing: 2px;
  margin-bottom: 16px;
}

.testimonial-card p {
  font-size: 15px;
  color: var(--text-secondary);
  flex-grow: 1;
  margin-bottom: 20px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.testimonial-author strong {
  color: var(--text-primary);
  font-size: 15px;
}

.testimonial-author span {
  color: var(--text-dim);
  font-size: 13px;
}

/* ── FORM SECTION ───────────────────────────────────────────── */
.form-section {
  padding: 100px 0;
  background: var(--bg-alt);
}

.form-wrap {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg-card);
  box-shadow: var(--shadow-lg);
}

.form-sidebar {
  background: linear-gradient(180deg, rgba(56,189,248,0.08) 0%, rgba(249,115,22,0.05) 100%);
  padding: 48px 36px;
  border-right: 1px solid var(--border);
}

.form-sidebar h3 {
  font-size: 24px;
  margin-bottom: 12px;
}

.form-sidebar-desc {
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: 32px;
  line-height: 1.7;
}

.sidebar-features {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 32px;
}

.sidebar-feat {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: var(--text-secondary);
}

.sidebar-feat span {
  font-size: 18px;
}

.sidebar-guarantee {
  background: rgba(56, 189, 248, 0.08);
  border: 1px solid rgba(56, 189, 248, 0.2);
  border-radius: var(--radius-sm);
  padding: 16px;
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.sidebar-guarantee strong {
  color: var(--accent-cool);
}

/* ── FORM BOX ───────────────────────────────────────────────── */
.form-box {
  padding: 48px 40px;
}

.form-box h4 {
  font-size: 22px;
  margin-bottom: 6px;
}

.form-note {
  color: var(--text-dim);
  font-size: 14px;
  margin-bottom: 28px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 14px;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 80px;
}

.form-group select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2394a3b8' viewBox='0 0 16 16'%3E%3Cpath d='M8 11.5l-5-5h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}

.form-group.has-error input,
.form-group.has-error select {
  border-color: #ef4444;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.error-msg {
  font-size: 12px;
  color: #ef4444;
  margin-top: 4px;
  min-height: 0;
  transition: all var(--transition);
}

.form-group.has-error .error-msg {
  min-height: 16px;
}

.btn-submit {
  display: block;
  width: 100%;
  background: var(--gradient-warm);
  color: #fff;
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 17px;
  padding: 16px;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition);
  margin-top: 8px;
}

.btn-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(249, 115, 22, 0.35);
}

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

.form-consent {
  font-size: 12px;
  color: var(--text-dim);
  margin-top: 14px;
  line-height: 1.6;
  text-align: center;
}

.link-btn {
  background: none;
  border: none;
  color: var(--accent-cool);
  cursor: pointer;
  font-size: inherit;
  font-family: inherit;
  text-decoration: underline;
  padding: 0;
}

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

/* ── FOOTER ─────────────────────────────────────────────────── */
.site-footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 48px 0 32px;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-brand .brand-text {
  font-size: 18px;
}

.footer-contact {
  display: flex;
  gap: 32px;
  font-size: 14px;
  color: var(--text-secondary);
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 20px;
}

.footer-links button {
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 13px;
  font-family: inherit;
  transition: color var(--transition);
}

.footer-links button:hover { color: var(--accent-cool); }

.footer-copy {
  text-align: center;
  font-size: 12px;
  color: var(--text-dim);
}

/* ── FLOATING CTA ───────────────────────────────────────────── */
.floating-cta {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 900;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--transition), transform var(--transition);
  pointer-events: none;
}

.floating-cta.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
}

.floating-cta a {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--gradient-warm);
  color: #fff;
  padding: 14px 28px;
  border-radius: 100px;
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 15px;
  box-shadow: 0 4px 24px rgba(249, 115, 22, 0.4);
  transition: transform var(--transition), box-shadow var(--transition);
}

.floating-cta a:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(249, 115, 22, 0.5);
}

/* ── MODALS ─────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
  padding: 24px;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.modal-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  max-width: 560px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  transform: scale(0.95) translateY(10px);
  transition: transform var(--transition);
  box-shadow: var(--shadow-lg);
}

.modal-overlay.active .modal-box {
  transform: scale(1) translateY(0);
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 28px;
  cursor: pointer;
  transition: color var(--transition);
  line-height: 1;
}

.modal-close:hover { color: var(--text-primary); }

.modal-box h3 {
  font-size: 22px;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.modal-box h5 {
  font-size: 15px;
  color: var(--accent-cool);
  margin-top: 20px;
  margin-bottom: 8px;
}

.modal-box p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Thank You Modal */
.thank-you-content { text-align: center; }

.check-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--gradient-brand);
  color: #fff;
  font-size: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  animation: checkPop 0.5s ease;
}

@keyframes checkPop {
  0% { transform: scale(0); }
  60% { transform: scale(1.15); }
  100% { transform: scale(1); }
}

.thank-you-content h3 {
  font-size: 24px;
  margin-bottom: 12px;
}

.thank-you-content p {
  font-size: 15px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

/* ── REVEAL ANIMATIONS ──────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

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

/* ── RESPONSIVE ─────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
  .careers-perks { grid-template-columns: repeat(2, 1fr); }
  .form-wrap { grid-template-columns: 1fr; }
  .form-sidebar { border-right: none; border-bottom: 1px solid var(--border); }
}

@media (max-width: 768px) {
  :root { --header-h: 64px; }

  .mobile-toggle { display: flex; }

  #mainNav {
    position: fixed;
    top: var(--header-h);
    left: 0; right: 0;
    background: rgba(11, 17, 32, 0.98);
    backdrop-filter: blur(16px);
    padding: 24px;
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition), opacity var(--transition);
    border-bottom: 1px solid var(--border);
  }

  #mainNav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

  .nav-links {
    flex-direction: column;
    gap: 8px;
  }

  .nav-links a {
    font-size: 16px;
    padding: 12px 16px;
    display: block;
    text-align: center;
  }

  .hero-content { padding: 100px 16px 60px; }
  .hero h1 { font-size: 2.2rem; }
  .hero-sub { font-size: 16px; }
  .hero-trust { gap: 20px; flex-wrap: wrap; }

  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .services-grid { grid-template-columns: 1fr; }
  .why-split { grid-template-columns: 1fr; gap: 32px; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .careers-perks { grid-template-columns: 1fr 1fr; }

  .form-row { grid-template-columns: 1fr; }
  .form-box { padding: 32px 24px; }
  .form-sidebar { padding: 32px 24px; }

  .footer-top { flex-direction: column; gap: 20px; text-align: center; }
  .footer-contact { flex-direction: column; gap: 8px; align-items: center; }
  .footer-links { flex-wrap: wrap; }

  .section { padding: 64px 0; }
  .section-title { font-size: 1.6rem; }
}

@media (max-width: 480px) {
  .hero-ctas { flex-direction: column; }
  .hero-ctas .btn-primary,
  .hero-ctas .btn-outline { width: 100%; justify-content: center; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .careers-perks { grid-template-columns: 1fr; }
  .modal-box { padding: 28px 20px; }
}