/* =============================================
   NOVAGUARD — Main Stylesheet
   Theme: Dark Tech / Cybersecurity
   ============================================= */

/* ---- CSS Variables ---- */
:root {
  --bg-primary:    #FFFFFF;
  --bg-secondary:  #F8F9FB;
  --bg-card:       #FFFFFF;
  --bg-card-hover: #FFF4EE;

  --text-primary:  #0F172A;
  --text-secondary:#475569;
  --text-muted:    #94A3B8;

  --accent-cyan:   #FF6B2B;
  --accent-indigo: #FF9F1C;
  --accent-purple: #A855F7;
  --accent-green:  #22C55E;

  --border:        rgba(0, 0, 0, 0.08);
  --border-accent: rgba(255, 107, 43, 0.3);

  --gradient-main: linear-gradient(135deg, #FF6B2B, #FF9F1C);
  --gradient-bg:   linear-gradient(135deg, #FFFFFF, #F8F9FB);

  --shadow-card:   0 4px 24px rgba(0, 0, 0, 0.08);
  --shadow-glow:   0 0 30px rgba(255, 107, 43, 0.12);

  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --radius-xl:  28px;

  --font-heading: 'Space Grotesk', 'Inter', sans-serif;
  --font-body:    'Inter', sans-serif;

  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --nav-height: 72px;
}

/* ---- Reset & 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-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

ul { list-style: none; }

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

/* ---- Container ---- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- Utility: Gradient Text ---- */
.gradient-text {
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-main);
  color: #fff;
  box-shadow: 0 4px 15px rgba(0, 212, 255, 0.25);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 212, 255, 0.4);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1.5px solid var(--border);
}

.btn-outline:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 14px 32px;
  font-size: 1rem;
}

.btn-full {
  width: 100%;
  justify-content: center;
}

.btn-spinner {
  width: 20px;
  height: 20px;
  animation: spin 0.8s linear infinite;
}

/* ---- Section Headers ---- */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--accent-cyan);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-label::before {
  content: '';
  display: inline-block;
  width: 20px;
  height: 2px;
  background: var(--gradient-main);
  border-radius: 2px;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.25;
  margin-bottom: 16px;
}

.section-sub {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  max-width: 580px;
  margin: 0 auto;
  line-height: 1.8;
}

/* =============================================
   NAVBAR
   ============================================= */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  transition: var(--transition);
}

.navbar.scrolled {
  background: rgba(15, 23, 42, 0.98);
  border-bottom-color: rgba(255,255,255,0.08);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-size: 1.375rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.logo-img {
  width: 40px;
  height: 40px;
  object-fit: contain;
  border-radius: 6px;
}

.logo-text { color: #ffffff; }
.logo-accent { color: var(--accent-cyan); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  padding: 8px 14px;
  font-size: 0.9375rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.8);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: #ffffff;
  background: rgba(255,255,255,0.1);
}

.nav-cta { padding: 10px 20px; font-size: 0.875rem; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

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

.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* =============================================
   HERO
   ============================================= */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: calc(var(--nav-height) + 60px) 24px 120px;
  overflow: hidden;
}

.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,212,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,0.04) 1px, transparent 1px);
  background-size: 50px 50px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black, transparent);
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
}

.hero-glow-1 {
  width: 600px;
  height: 600px;
  background: rgba(0, 212, 255, 0.08);
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
}

.hero-glow-2 {
  width: 400px;
  height: 400px;
  background: rgba(99, 102, 241, 0.1);
  bottom: 100px;
  right: 10%;
}

#particleCanvas {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.4;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 820px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: 100px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--accent-cyan);
  margin-bottom: 24px;
  letter-spacing: 0.02em;
}

.badge-dot {
  width: 8px;
  height: 8px;
  background: var(--accent-cyan);
  border-radius: 50%;
  animation: pulse 2s ease infinite;
}

.hero-headline {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.025em;
  margin-bottom: 24px;
  color: var(--text-primary);
}

.hero-subtext {
  font-size: clamp(1rem, 2vw, 1.1875rem);
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto 40px;
  line-height: 1.8;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  margin-bottom: 48px;
}

.hero-trust {
  display: flex;
  align-items: center;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.trust-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
}

.trust-tag {
  padding: 4px 12px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.hero-scroll-hint {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  opacity: 0.7;
}

.scroll-arrow {
  width: 20px;
  height: 20px;
  border-right: 2px solid var(--text-muted);
  border-bottom: 2px solid var(--text-muted);
  transform: rotate(45deg);
  animation: bounce 2s ease infinite;
}

/* =============================================
   STATS STRIP
   ============================================= */
.stats-strip {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 48px 24px;
}

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

.stat-item {
  text-align: center;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-plus {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  display: block;
  margin-top: 6px;
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 500;
  letter-spacing: 0.02em;
}

/* =============================================
   SERVICES
   ============================================= */
.services {
  padding: 100px 0;
  background: var(--bg-primary);
}

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

.service-card--wide {
  grid-column: span 1;
}

.service-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 32px;
  transition: var(--transition);
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-md);
  background: var(--gradient-main);
  opacity: 0;
  transition: opacity var(--transition);
  z-index: 0;
}

.service-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-accent);
  box-shadow: var(--shadow-glow), var(--shadow-card);
  background: var(--bg-card-hover);
}

.service-card > * { position: relative; z-index: 1; }

.service-card--featured {
  border-color: rgba(255, 107, 43, 0.5);
  background: #ffffff;
}

.service-card--featured::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-main);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.service-badge-tag {
  position: absolute;
  top: 16px;
  right: 16px;
  padding: 4px 10px;
  background: rgba(0, 212, 255, 0.15);
  border: 1px solid rgba(0, 212, 255, 0.3);
  border-radius: 100px;
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--accent-cyan);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.service-icon {
  width: 52px;
  height: 52px;
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid rgba(0, 212, 255, 0.15);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  transition: var(--transition);
}

.service-card:hover .service-icon {
  background: rgba(0, 212, 255, 0.15);
  border-color: rgba(0, 212, 255, 0.4);
}

.service-icon svg {
  width: 24px;
  height: 24px;
  color: var(--accent-cyan);
}

.service-title {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.service-desc {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
}

.service-list {
  margin-bottom: 24px;
}

.service-list li {
  font-size: 0.875rem;
  color: var(--text-secondary);
  padding: 5px 0;
  padding-left: 16px;
  position: relative;
}

.service-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 5px;
  height: 5px;
  background: var(--accent-cyan);
  border-radius: 50%;
  opacity: 0.6;
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent-cyan);
  transition: var(--transition);
}

.service-link:hover { gap: 10px; }

.service-link span {
  transition: transform var(--transition);
}

.service-link:hover span { transform: translateX(4px); }

/* =============================================
   CTA BANNER
   ============================================= */
.cta-banner {
  position: relative;
  background: #ffffff;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 80px 24px;
  text-align: center;
  overflow: hidden;
}

.cta-glow {
  position: absolute;
  width: 600px;
  height: 300px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  filter: blur(60px);
}

.cta-content { position: relative; z-index: 1; }

.cta-title {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.cta-sub {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto 32px;
  line-height: 1.8;
}

/* =============================================
   PROCESS
   ============================================= */
.process {
  padding: 100px 0;
  background: var(--bg-secondary);
}

.process-timeline {
  max-width: 760px;
  margin: 0 auto;
}

.process-step {
  display: flex;
  gap: 28px;
  align-items: flex-start;
}

.process-connector {
  width: 2px;
  height: 40px;
  background: linear-gradient(to bottom, var(--border-accent), var(--border));
  margin: 8px 0 8px 27px;
}

.step-number {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  background: var(--bg-card);
  border: 1.5px solid var(--border-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--accent-cyan);
  letter-spacing: 0.05em;
  transition: var(--transition);
}

.process-step:hover .step-number {
  background: rgba(0, 212, 255, 0.12);
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.2);
}

.step-content {
  padding: 4px 0 16px;
}

.step-title {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.step-desc {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.75;
}

/* =============================================
   WHY US / ABOUT
   ============================================= */
.why-us {
  padding: 100px 0;
  background: var(--bg-primary);
}

.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.why-para {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 20px;
}

.why-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 36px;
}

.why-feature {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.why-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid rgba(0, 212, 255, 0.15);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.why-icon svg {
  width: 18px;
  height: 18px;
  color: var(--accent-cyan);
}

.why-feature strong {
  display: block;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.why-feature p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Visual cards stack */
.why-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.why-card-stack {
  position: relative;
  width: 320px;
  height: 320px;
}

.vis-card {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  animation: float 6s ease-in-out infinite;
  min-width: 260px;
}

.vis-card-1 { top: 20px; left: 0; animation-delay: 0s; }
.vis-card-2 { top: 120px; left: 40px; animation-delay: 1s; }
.vis-card-3 { top: 220px; left: 10px; animation-delay: 2s; }

.vis-icon-wrap {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  background: rgba(0, 212, 255, 0.1);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.vis-icon-wrap svg {
  width: 22px;
  height: 22px;
  color: var(--accent-cyan);
}

.accent-green {
  background: rgba(34, 197, 94, 0.1) !important;
}
.accent-green svg { color: var(--accent-green) !important; }

.accent-purple {
  background: rgba(168, 85, 247, 0.1) !important;
}
.accent-purple svg { color: var(--accent-purple) !important; }

.vis-title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 2px;
}

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

/* =============================================
   CONTACT
   ============================================= */
.contact {
  padding: 100px 0;
  background: var(--bg-secondary);
}

.contact-grid {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 64px;
  align-items: start;
}

.contact-info-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 32px;
  color: var(--text-primary);
}

.contact-detail {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 28px;
}

.contact-icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid rgba(0, 212, 255, 0.15);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-icon svg {
  width: 18px;
  height: 18px;
  color: var(--accent-cyan);
}

.contact-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.contact-value {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-primary);
  transition: color var(--transition);
}

.contact-value:hover { color: var(--accent-cyan); }

.contact-response {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  background: rgba(34, 197, 94, 0.06);
  border: 1px solid rgba(34, 197, 94, 0.2);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 28px;
}

.response-dot {
  width: 8px;
  height: 8px;
  flex-shrink: 0;
  background: var(--accent-green);
  border-radius: 50%;
  animation: pulse 2s ease infinite;
}

.contact-social {
  display: flex;
  gap: 12px;
}

.social-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
}

.social-btn svg { width: 16px; height: 16px; }

.social-btn:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  transform: translateY(-2px);
}

/* Contact Form */
.contact-form-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 40px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-secondary);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--text-primary);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  appearance: none;
  -webkit-appearance: none;
}

.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2364748B' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  background-size: 16px;
  padding-right: 44px;
}

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

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.form-group select option { background: var(--bg-card); }

.form-note {
  text-align: center;
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-top: 12px;
}

.form-success {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
  background: rgba(34, 197, 94, 0.08);
  border: 1px solid rgba(34, 197, 94, 0.25);
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--accent-green);
  margin-top: 16px;
}

.form-success svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

/* =============================================
   FOOTER
   ============================================= */
.footer {
  background: var(--bg-primary);
  border-top: 1px solid var(--border);
  padding-top: 72px;
}

.footer .logo-text { color: var(--text-primary); }

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  padding-bottom: 56px;
  border-bottom: 1px solid var(--border);
}

.footer-tagline {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin: 16px 0 28px;
  max-width: 280px;
}

.footer-social {
  display: flex;
  gap: 12px;
}

.footer-social-link {
  width: 40px;
  height: 40px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: var(--transition);
}

.footer-social-link svg { width: 16px; height: 16px; }

.footer-social-link:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  transform: translateY(-2px);
}

.footer-col-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 20px;
  letter-spacing: 0.02em;
}

.footer-links li + li { margin-top: 12px; }

.footer-links a {
  font-size: 0.9375rem;
  color: var(--text-muted);
  transition: color var(--transition);
}

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

.footer-contact-list li {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-contact-list svg {
  width: 14px;
  height: 14px;
  color: var(--accent-cyan);
  flex-shrink: 0;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.footer-bottom-links {
  display: flex;
  gap: 24px;
}

.footer-bottom-links a {
  color: var(--text-muted);
  transition: color var(--transition);
}

.footer-bottom-links a:hover { color: var(--accent-cyan); }

/* =============================================
   BACK TO TOP
   ============================================= */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 44px;
  height: 44px;
  background: var(--gradient-main);
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  opacity: 0;
  pointer-events: none;
  z-index: 999;
  box-shadow: 0 4px 16px rgba(0, 212, 255, 0.3);
}

.back-to-top svg {
  width: 18px;
  height: 18px;
  color: white;
}

.back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
}

.back-to-top:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0, 212, 255, 0.4);
}

/* =============================================
   UTILITIES
   ============================================= */
.hidden { display: none !important; }

/* Fade in on scroll */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* =============================================
   ANIMATIONS
   ============================================= */
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.85); }
}

@keyframes bounce {
  0%, 100% { transform: rotate(45deg) translateY(0); }
  50% { transform: rotate(45deg) translateY(5px); }
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* =============================================
   RESPONSIVE — TABLET (≤ 1024px)
   ============================================= */
@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .service-card--wide { grid-column: span 2; }

  .why-grid { grid-template-columns: 1fr; gap: 60px; }
  .why-visual { justify-content: flex-start; }

  .contact-grid { grid-template-columns: 1fr; gap: 48px; }

  .footer-top { grid-template-columns: 1fr 1fr; gap: 40px; }
}

/* =============================================
   RESPONSIVE — MOBILE (≤ 768px)
   ============================================= */
@media (max-width: 768px) {
  :root { --nav-height: 64px; }

  /* Nav */
  .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: rgba(10, 14, 26, 0.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: stretch;
    padding: 16px 24px 24px;
    border-bottom: 1px solid var(--border);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.3s ease, opacity 0.3s ease;
    z-index: 999;
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-link { padding: 12px 16px; }
  .nav-cta { display: none; }
  .hamburger { display: flex; }

  /* Hero */
  .hero { padding: calc(var(--nav-height) + 40px) 24px 100px; }
  .hero-ctas { flex-direction: column; align-items: center; }
  .hero-ctas .btn { width: 100%; max-width: 320px; justify-content: center; }

  /* Stats */
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }

  /* Services */
  .services-grid { grid-template-columns: 1fr; }
  .service-card--wide { grid-column: span 1; }

  /* Why */
  .why-features { grid-template-columns: 1fr; }
  .why-card-stack { height: auto; position: relative; }
  .vis-card { position: static; margin-bottom: 16px; width: 100%; }

  /* Form */
  .form-row { grid-template-columns: 1fr; }
  .contact-form-wrap { padding: 24px; }

  /* Footer */
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 16px; text-align: center; }

  /* Back to top */
  .back-to-top { bottom: 20px; right: 20px; }

  /* Process */
  .process-step { gap: 16px; }
  .process-connector { margin-left: 27px; }
}

@media (max-width: 480px) {
  .hero-headline { font-size: 2.25rem; }
  .section-title { font-size: 1.75rem; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .hero-trust { flex-direction: column; }
}