/* =============================================
   ZENTRANEXUS — Cyber-Luminescent Design System
   ============================================= */

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

:root {
  --primary:    #3DDCB0;
  --secondary:  #2BB894;
  --tertiary:   #6DCFC0;
  --bg:         #0d1b27;
  --bg-alt:     #0f1f2e;
  --bg-card:    #121f2d;
  --bg-card-hover: #162535;
  --border:     rgba(61, 220, 176, 0.12);
  --border-strong: rgba(61, 220, 176, 0.28);
  --text:       #d4e8f0;
  --text-muted: #6b8fa3;
  --text-dim:   #3d6070;
  --radius-sm:  4px;
  --radius:     6px;
  --radius-lg:  10px;
  --shadow-glow: 0 0 24px rgba(61, 220, 176, 0.15);
  --shadow-card: 0 2px 24px rgba(0, 0, 0, 0.5);
  --transition: 200ms ease;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: 'Manrope', sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  /* Sayfa genelinde hafif bulutumsu arka plan */
  background-image:
    radial-gradient(ellipse 80% 40% at 50% 0%,   rgba(43, 184, 148, 0.12) 0%, transparent 60%),
    radial-gradient(ellipse 50% 30% at 10% 30%,  rgba(61, 220, 176, 0.06) 0%, transparent 55%),
    radial-gradient(ellipse 50% 30% at 90% 60%,  rgba(43, 184, 148, 0.06) 0%, transparent 55%);
}

/* --- Typography --- */
h1, h2, h3, h4 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.4rem, 5vw, 4rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); }
h3 { font-size: 1.2rem; font-weight: 600; }

p { color: var(--text-muted); }

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

/* --- Layout --- */
.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 96px 0;
  position: relative;
}

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

/* =============================================
   NAVIGATION
   ============================================= */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0;
  background: rgba(13, 27, 39, 0.82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition), box-shadow var(--transition);
}

.nav.scrolled {
  background: rgba(13, 27, 39, 0.96);
  box-shadow: 0 1px 0 var(--border);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 120px;
}

.nav__logo {
  display: flex;
  align-items: center;
}

.nav__logo img {
  height: 130px;
  width: auto;
  display: block;
}

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

.nav__links a {
  font-family: 'Inter', sans-serif;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  transition: color var(--transition);
}

.nav__links a:hover { color: var(--text); }
.nav__links a.nav__link--active { color: var(--primary); }

/* Mobile menu toggle */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}

.nav__toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

/* =============================================
   BUTTONS
   ============================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  padding: 12px 24px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn--primary {
  background: var(--primary);
  color: var(--bg);
  border-color: var(--primary);
}

.btn--primary:hover {
  background: #52e8c0;
  border-color: #52e8c0;
  box-shadow: 0 0 20px rgba(61, 220, 176, 0.35);
  transform: translateY(-1px);
}

.btn--outline {
  background: transparent;
  color: var(--primary);
  border-color: var(--border-strong);
}

.btn--outline:hover {
  border-color: var(--primary);
  background: rgba(61, 220, 176, 0.06);
  transform: translateY(-1px);
}

.btn--sm {
  padding: 8px 16px;
  font-size: 0.82rem;
  background: var(--primary);
  color: var(--bg);
  border-color: var(--primary);
}

.btn--sm:hover {
  background: #52e8c0;
  box-shadow: 0 0 14px rgba(61, 220, 176, 0.3);
}

.btn--full { width: 100%; }

/* =============================================
   BADGE & LABELS
   ============================================= */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'Inter', sans-serif;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--primary);
  background: rgba(61, 220, 176, 0.08);
  border: 1px solid rgba(61, 220, 176, 0.2);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 24px;
}

.badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 8px var(--primary);
  animation: pulse 2s infinite;
}

.label {
  display: block;
  font-family: 'Inter', sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 12px;
}

/* =============================================
   SECTION HEADER
   ============================================= */
.section__header {
  text-align: center;
  margin-bottom: 56px;
}

.section__header h2 { color: var(--text); }

/* =============================================
   HERO
   ============================================= */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  position: relative;
  overflow: hidden;
}

.hero__inner {
  position: relative;
  z-index: 2;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero__headline {
  color: #e8f4f8;
  margin-bottom: 24px;
}

.hero__headline .highlight {
  background: linear-gradient(135deg, var(--primary) 0%, var(--tertiary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-muted);
  max-width: 560px;
  margin-bottom: 40px;
  line-height: 1.7;
}

.hero__cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
}

/* Hero background grid */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(61, 220, 176, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(61, 220, 176, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  z-index: 0;
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, black 30%, transparent 100%);
  mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, black 30%, transparent 100%);
}

/* Hero — çok katmanlı bulutumsu glow */
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 70% 60% at 50% 20%,  rgba(43, 184, 148, 0.18) 0%, transparent 70%),
    radial-gradient(ellipse 40% 50% at 20% 50%,  rgba(61, 220, 176, 0.10) 0%, transparent 65%),
    radial-gradient(ellipse 40% 40% at 80% 60%,  rgba(43, 184, 148, 0.09) 0%, transparent 60%),
    radial-gradient(ellipse 55% 35% at 50% 80%,  rgba(61, 220, 176, 0.07) 0%, transparent 55%);
  filter: blur(32px);
}

/* =============================================
   CARDS (SERVICES)
   ============================================= */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 16px;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: border-color var(--transition), background var(--transition), transform var(--transition), box-shadow var(--transition);
  cursor: default;
}

.card:hover {
  border-color: var(--border-strong);
  background: var(--bg-card-hover);
  transform: translateY(-3px);
  box-shadow: var(--shadow-card), 0 0 0 1px rgba(61, 220, 176, 0.06);
}

.card__icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(61, 220, 176, 0.08);
  border: 1px solid rgba(61, 220, 176, 0.15);
  border-radius: var(--radius);
  color: var(--primary);
  margin-bottom: 18px;
  transition: background var(--transition), box-shadow var(--transition);
}

.card:hover .card__icon {
  background: rgba(61, 220, 176, 0.14);
  box-shadow: 0 0 12px rgba(61, 220, 176, 0.15);
}

.card h3 {
  color: var(--text);
  margin-bottom: 10px;
}

.card p {
  font-size: 0.9rem;
  line-height: 1.6;
}

/* =============================================
   PROBLEM / SOLUTION SPLIT
   ============================================= */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.split__col h2 { color: var(--text); margin-bottom: 28px; }

.problem-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.problem-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.problem-list__icon {
  flex-shrink: 0;
  color: #ff6b6b;
  margin-top: 1px;
}

.solution-card {
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: 36px;
  position: relative;
  overflow: hidden;
}

.solution-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--primary), transparent);
}

.solution-card__icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(61, 220, 176, 0.1);
  border: 1px solid rgba(61, 220, 176, 0.2);
  border-radius: var(--radius);
  color: var(--primary);
  margin-bottom: 20px;
  box-shadow: 0 0 16px rgba(61, 220, 176, 0.12);
}

.solution-card__label {
  font-family: 'Inter', sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 10px;
}

.solution-card h3 {
  color: var(--text);
  font-size: 1.35rem;
  margin-bottom: 14px;
  line-height: 1.3;
}

/* =============================================
   HOW IT WORKS — STEPS
   ============================================= */
.steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
}

.step {
  flex: 1;
  text-align: center;
  padding: 0 16px;
}

.step__num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 16px;
  opacity: 0.9;
}

.step h3 {
  color: var(--text);
  margin-bottom: 10px;
}

.step p { font-size: 0.88rem; }

.step__connector {
  width: 60px;
  flex-shrink: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--border-strong), var(--border));
  margin-top: 28px;
  position: relative;
}

.step__connector::after {
  content: '';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  border-top: 2px solid var(--primary);
  border-right: 2px solid var(--primary);
  transform: translateY(-50%) rotate(45deg);
  opacity: 0.5;
}

/* =============================================
   STICKY SCROLL FEATURE SECTION
   ============================================= */
.sf-section { padding-bottom: 0; }

.sf-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: start;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px 96px;
  gap: 48px;
}

/* --- Left Steps --- */
.sf-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  padding-top: 24px;
}

.sf-step {
  display: flex;
  gap: 20px;
  padding: 32px 0;
  position: relative;
  opacity: 0.35;
  transition: opacity 0.4s ease;
}

.sf-step.active { opacity: 1; }

.sf-step__dot {
  flex-shrink: 0;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 2px solid var(--border-strong);
  margin-top: 5px;
  position: relative;
  z-index: 1;
  transition: background 0.3s, border-color 0.3s, box-shadow 0.3s;
}

.sf-step.active .sf-step__dot {
  background: var(--primary);
  border-color: var(--primary);
  box-shadow: 0 0 12px rgba(61, 220, 176, 0.5);
}

/* Vertical line between dots */
.sf-step:not(:last-child)::after {
  content: '';
  position: absolute;
  left: 6px;
  top: 46px;
  width: 2px;
  bottom: 0;
  background: linear-gradient(to bottom, var(--border-strong), var(--border));
}

.sf-step__body { flex: 1; }

.sf-step__num {
  font-family: 'Inter', sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--primary);
  margin-bottom: 6px;
  opacity: 0;
  transition: opacity 0.3s;
}

.sf-step.active .sf-step__num { opacity: 1; }

.sf-step__body h3 {
  color: var(--text);
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.sf-step__body p {
  font-size: 0.88rem;
  line-height: 1.65;
}

/* --- Right Sticky --- */
.sf-sticky {
  position: sticky;
  top: 140px;
}

.sf-mockup {
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 8px 48px rgba(0,0,0,0.5), 0 0 0 1px rgba(61,220,176,0.06);
  position: relative;
  min-height: 320px;
}

/* Panels */
.sf-panel {
  position: absolute;
  inset: 0;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
  pointer-events: none;
  display: flex;
  flex-direction: column;
}

.sf-panel.active {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
  position: relative;
}

.sf-panel__header {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 12px 16px;
  background: rgba(0,0,0,0.2);
  border-bottom: 1px solid var(--border);
}

.sf-panel__dot {
  width: 10px; height: 10px;
  border-radius: 50%;
}
.sf-panel__dot.red    { background: #ff5f57; }
.sf-panel__dot.yellow { background: #febc2e; }
.sf-panel__dot.green  { background: #28c840; }

.sf-panel__title {
  font-family: 'Inter', sans-serif;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-left: 8px;
}

.sf-panel__body {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

/* Panel 0: Audit */
.sf-audit { display: flex; flex-direction: column; gap: 10px; }

.sf-audit__row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Inter', sans-serif;
  font-size: 0.8rem;
  color: var(--text-dim);
  padding: 8px 12px;
  border-radius: var(--radius);
  background: rgba(0,0,0,0.15);
}

.sf-audit__row.active {
  color: var(--text);
  background: rgba(61, 220, 176, 0.06);
}

.sf-audit__row.active svg { color: var(--primary); }

.sf-audit__row.scanning { color: var(--text-muted); }

.sf-scan-bar {
  width: 14px; height: 14px;
  border: 2px solid var(--primary);
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  flex-shrink: 0;
}

.sf-dot-pending {
  width: 14px; height: 14px;
  border-radius: 50%;
  border: 2px solid var(--border-strong);
  flex-shrink: 0;
}

/* Panel 1: Flow */
.sf-flow {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: nowrap;
}

.sf-flow--row2 { margin-top: 8px; }

.sf-node {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: 'Inter', sans-serif;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 7px 10px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  white-space: nowrap;
}

.sf-node.trigger { background: rgba(61,220,176,0.1); border-color: rgba(61,220,176,0.3); color: var(--primary); }
.sf-node.action  { background: rgba(112,215,255,0.08); border-color: rgba(112,215,255,0.2); color: #70d6ff; }
.sf-node.ai      { background: rgba(180,130,255,0.08); border-color: rgba(180,130,255,0.2); color: #b482ff; }
.sf-node.success { background: rgba(40,200,100,0.08); border-color: rgba(40,200,100,0.2); color: #28c864; }

.sf-flow__arrow {
  color: var(--text-dim);
  font-size: 0.8rem;
  flex-shrink: 0;
}

/* Panel 2: Console */
.sf-console { display: flex; flex-direction: column; gap: 8px; }

.sf-console__line {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'Inter', monospace;
  font-size: 0.78rem;
  color: var(--text-dim);
  padding: 6px 10px;
  border-radius: var(--radius-sm);
}

.sf-console__line.done { color: var(--text-muted); }
.sf-console__line.done .sf-console__icon { color: var(--primary); }
.sf-console__line.running { color: var(--primary); }

.sf-console__icon { flex-shrink: 0; }

.sf-deploy-bar {
  height: 4px;
  background: var(--border);
  border-radius: 4px;
  overflow: hidden;
  margin-top: 4px;
}

.sf-deploy-bar__fill {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--secondary), var(--primary));
  border-radius: 4px;
  animation: deployFill 3s ease forwards;
}

/* Panel 3: Metrics */
.sf-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.sf-metric {
  background: rgba(0,0,0,0.2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sf-metric__val {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--primary);
}

.sf-metric__label {
  font-family: 'Inter', sans-serif;
  font-size: 0.72rem;
  color: var(--text-dim);
}

.sf-metric__trend {
  font-family: 'Inter', sans-serif;
  font-size: 0.72rem;
  font-weight: 600;
}
.sf-metric__trend.up { color: #28c864; }

.sf-sparkline {
  height: 48px;
  border-radius: var(--radius);
  overflow: hidden;
  background: rgba(0,0,0,0.15);
}

.sf-sparkline svg { width: 100%; height: 100%; }

/* Shared result tag */
.sf-result-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: 'Inter', sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--primary);
  background: rgba(61, 220, 176, 0.08);
  border: 1px solid rgba(61, 220, 176, 0.2);
  padding: 6px 12px;
  border-radius: 100px;
  margin-top: auto;
  align-self: flex-start;
}

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

@keyframes deployFill {
  0%   { width: 0; }
  100% { width: 78%; }
}

.blink { animation: blink 1s step-end infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* Responsive */
@media (max-width: 768px) {
  .sf-wrap {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .sf-sticky { position: relative; top: 0; }
  .sf-step { opacity: 1; }
  .sf-step__num { opacity: 1; }
  .sf-panel { position: relative; opacity: 1; transform: none; display: none; }
  .sf-panel.active { display: flex; }
}

/* =============================================
   TARGET CLIENTS
   ============================================= */
.clients {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.client-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text);
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 12px 22px;
  border-radius: 100px;
  transition: border-color var(--transition), box-shadow var(--transition), color var(--transition);
  cursor: default;
}

.client-chip svg { color: var(--secondary); flex-shrink: 0; }

.client-chip:hover {
  border-color: var(--border-strong);
  box-shadow: 0 0 12px rgba(61, 220, 176, 0.08);
  color: var(--primary);
}

/* =============================================
   STATS / RESULTS
   ============================================= */
.stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
}

.stat {
  flex: 1;
  min-width: 180px;
  text-align: center;
  padding: 0 32px;
}

.stat__value {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(3rem, 6vw, 4.5rem);
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 8px;
  letter-spacing: -0.03em;
}

.stat__value span {
  font-size: 0.6em;
  color: var(--secondary);
}

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

.stat__divider {
  width: 1px;
  height: 80px;
  background: linear-gradient(to bottom, transparent, var(--border-strong), transparent);
  flex-shrink: 0;
}

/* =============================================
   FINAL CTA SECTION
   ============================================= */
.section--cta {
  background-color: var(--bg);
  position: relative;
  overflow: hidden;
}

.section--cta::before {
  content: '';
  position: absolute;
  bottom: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 600px;
  background: radial-gradient(ellipse at center, rgba(43, 184, 148, 0.08) 0%, transparent 60%);
  pointer-events: none;
}

.cta-box {
  max-width: 560px;
  margin: 0 auto;
  text-align: center;
}

.cta-box--wide {
  max-width: 680px;
}

.cta-box h2 { color: var(--text); margin-bottom: 16px; }
.cta-box > p { margin-bottom: 24px; }

/* Service type tabs */
.cta-tabs {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin-bottom: 28px;
}

.cta-tab {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: 'Inter', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 9px 18px;
  border-radius: var(--radius);
  border: 1px solid var(--border-strong);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition);
}

.cta-tab:hover {
  color: var(--text);
  border-color: var(--primary);
}

.cta-tab.active {
  background: rgba(61, 220, 176, 0.1);
  border-color: var(--primary);
  color: var(--primary);
}

/* Two-column form row */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

@media (max-width: 540px) {
  .form-row { grid-template-columns: 1fr; }
  .cta-tabs { flex-direction: column; align-items: center; }
}

/* =============================================
   CONTACT FORM
   ============================================= */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
  text-align: left;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-family: 'Inter', sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  text-transform: uppercase;
}

.form-group input,
.form-group textarea {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 16px;
  color: var(--text);
  font-family: 'Manrope', sans-serif;
  font-size: 0.95rem;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  resize: none;
  width: 100%;
}

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

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(61, 220, 176, 0.1);
}

.form__note {
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-top: 4px;
}

/* Form success state */
.form-success {
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  padding: 32px;
  background: rgba(61, 220, 176, 0.05);
  border: 1px solid rgba(61, 220, 176, 0.2);
  border-radius: var(--radius-lg);
  text-align: center;
}

.form-success__icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(61, 220, 176, 0.1);
  border-radius: 50%;
  color: var(--primary);
}

.form-success h3 { color: var(--text); }

/* =============================================
   TRUST BAND
   ============================================= */
.trust-band {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 20px 0;
}

.trust-band__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}

.trust-band__label {
  font-family: 'Inter', sans-serif;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.03em;
}

.trust-band__dots {
  display: flex;
  gap: 6px;
  align-items: center;
}

.trust-band__dots span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary);
  opacity: 0.3;
}

.trust-band__dots span:nth-child(3) { opacity: 1; box-shadow: 0 0 8px var(--primary); }
.trust-band__dots span:nth-child(2),
.trust-band__dots span:nth-child(4) { opacity: 0.6; }

.trust-band__stats {
  display: flex;
  align-items: center;
  gap: 16px;
}

.trust-stat {
  font-family: 'Inter', sans-serif;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.trust-stat strong {
  color: var(--primary);
  font-weight: 700;
  margin-right: 4px;
}

.trust-stat__sep {
  width: 1px;
  height: 16px;
  background: var(--border-strong);
}

/* =============================================
   TESTIMONIALS
   ============================================= */
.testimonials {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: border-color var(--transition), transform var(--transition);
}

.testimonial-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
}

.testimonial-card__stars {
  color: var(--primary);
  font-size: 0.9rem;
  letter-spacing: 2px;
}

.testimonial-card__quote {
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--text-muted);
  flex: 1;
  font-style: italic;
}

.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.testimonial-card__avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--bg);
  flex-shrink: 0;
}

.testimonial-card__author strong {
  display: block;
  font-family: 'Inter', sans-serif;
  font-size: 0.88rem;
  color: var(--text);
}

.testimonial-card__author span {
  font-family: 'Inter', sans-serif;
  font-size: 0.78rem;
  color: var(--text-dim);
}

/* =============================================
   BLOG
   ============================================= */
.section__sub {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-top: 8px;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

/* Featured card spans full width on first row */
.blog-card--featured {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: start;
}

.blog-card--featured h3 { font-size: 1.4rem; }
.blog-card--featured p  { font-size: 0.95rem; }

.blog-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.blog-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}

.blog-card__tag {
  display: inline-flex;
  align-self: flex-start;
  font-family: 'Inter', sans-serif;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--primary);
  background: rgba(61, 220, 176, 0.08);
  border: 1px solid rgba(61, 220, 176, 0.18);
  padding: 3px 10px;
  border-radius: 100px;
}

.blog-card__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: 'Inter', sans-serif;
  font-size: 0.75rem;
  color: var(--text-dim);
}

.blog-card__meta::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--border-strong);
}

.blog-card__read {
  display: flex;
  align-items: center;
  gap: 4px;
}

.blog-card h3 {
  font-size: 1rem;
  color: var(--text);
  line-height: 1.4;
  flex: 1;
}

.blog-card p {
  font-size: 0.87rem;
  line-height: 1.65;
  flex: 1;
}

.blog-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  margin-top: auto;
}

.blog-card__author {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'Inter', sans-serif;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.blog-card__avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.62rem;
  font-weight: 700;
  color: var(--bg);
  flex-shrink: 0;
}

.blog-card__link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-family: 'Inter', sans-serif;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--primary);
  white-space: nowrap;
  transition: gap var(--transition), opacity var(--transition);
}

.blog-card__link:hover { gap: 8px; opacity: 0.8; }

@media (max-width: 900px) {
  .blog-grid { grid-template-columns: 1fr 1fr; }
  .blog-card--featured { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .blog-grid { grid-template-columns: 1fr; }
}

/* =============================================
   FAQ
   ============================================= */
.faq-list {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition);
}

.faq-item.open {
  border-color: var(--border-strong);
}

.faq-item__q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  background: none;
  border: none;
  cursor: pointer;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  text-align: left;
  transition: color var(--transition);
}

.faq-item__q:hover { color: var(--primary); }

.faq-item__icon {
  flex-shrink: 0;
  color: var(--text-muted);
  transition: transform var(--transition);
}

.faq-item.open .faq-item__icon {
  transform: rotate(180deg);
  color: var(--primary);
}

.faq-item__a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  padding: 0 24px;
}

.faq-item.open .faq-item__a {
  max-height: 200px;
  padding: 0 24px 20px;
}

.faq-item__a p {
  font-size: 0.92rem;
  line-height: 1.7;
}

/* =============================================
   MARQUEE / SCROLLING TICKER
   ============================================= */
.marquee-section {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 18px 0;
  overflow: hidden;
  position: relative;
}

.marquee-section::before,
.marquee-section::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 120px;
  z-index: 2;
  pointer-events: none;
}

.marquee-section::before {
  left: 0;
  background: linear-gradient(to right, var(--bg-alt), transparent);
}

.marquee-section::after {
  right: 0;
  background: linear-gradient(to left, var(--bg-alt), transparent);
}

.marquee-track {
  overflow: hidden;
  width: 100%;
}

.marquee-inner {
  display: flex;
  align-items: center;
  gap: 0;
  white-space: nowrap;
  animation: marquee 30s linear infinite;
  width: max-content;
}

.marquee-inner:hover {
  animation-play-state: paused;
}

.marquee-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'Inter', sans-serif;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-muted);
  padding: 0 24px;
  transition: color var(--transition);
}

.marquee-item svg {
  color: var(--primary);
  flex-shrink: 0;
}

.marquee-item:hover { color: var(--text); }

.marquee-sep {
  color: var(--primary);
  opacity: 0.4;
  font-size: 0.5rem;
  padding: 0 4px;
}

@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* =============================================
   FOOTER
   ============================================= */
.footer {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  padding: 32px 0;
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer__logo img {
  height: 60px;
  width: auto;
  opacity: 0.7;
  transition: opacity var(--transition);
}

.footer__logo img:hover { opacity: 1; }

.footer__copy {
  font-family: 'Inter', sans-serif;
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* =============================================
   ANIMATIONS
   ============================================= */
@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 8px var(--primary); }
  50%       { opacity: 0.5; box-shadow: 0 0 3px var(--primary); }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

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

/* Stagger delays */
.fade-up:nth-child(1) { transition-delay: 0ms; }
.fade-up:nth-child(2) { transition-delay: 80ms; }
.fade-up:nth-child(3) { transition-delay: 160ms; }
.fade-up:nth-child(4) { transition-delay: 240ms; }
.fade-up:nth-child(5) { transition-delay: 320ms; }

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 768px) {
  .section { padding: 72px 0; }

  /* Nav */
  .nav__links {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(13, 27, 39, 0.98);
    backdrop-filter: blur(16px);
    flex-direction: column;
    padding: 24px 16px;
    border-bottom: 1px solid var(--border);
    gap: 4px;
    align-items: stretch;
  }

  .nav__links.open { display: flex; }

  .nav__links a {
    padding: 12px 16px;
    font-size: 1rem;
  }

  .nav__links li:last-child .btn--sm {
    display: flex;
    justify-content: center;
    margin-top: 8px;
    padding: 12px;
  }

  .nav__toggle { display: flex; }

  /* Hero */
  .hero { min-height: 100svh; padding: 100px 0 72px; }
  .hero__cta { flex-direction: column; align-items: center; }
  .hero__cta .btn { width: 100%; max-width: 300px; justify-content: center; }

  /* Split */
  .split {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  /* Steps */
  .steps {
    flex-direction: column;
    align-items: center;
    gap: 24px;
  }

  .step { padding: 0; max-width: 300px; }

  .step__connector {
    width: 2px;
    height: 32px;
    background: linear-gradient(to bottom, var(--border-strong), var(--border));
  }

  .step__connector::after {
    bottom: 0;
    top: auto;
    right: 50%;
    transform: translateX(50%) rotate(135deg);
  }

  /* Stats */
  .stats { flex-direction: column; gap: 32px; }
  .stat__divider { width: 80px; height: 1px; background: linear-gradient(to right, transparent, var(--border-strong), transparent); }
  .stat { padding: 0; }

  /* Footer */
  .footer__inner { flex-direction: column; align-items: center; text-align: center; }
}

/* =============================================
   VIBRANCY — Glow, Animation & Life
   ============================================= */

/* Animated gradient headline */
.hero__headline .highlight {
  background: linear-gradient(120deg, #3DDCB0, #6DCFC0, #3DDCB0, #2BB894, #70D6FF, #3DDCB0);
  background-size: 300% 300%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradientShift 5s ease infinite;
}

@keyframes gradientShift {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* Hero canvas particles */
#heroCanvas {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

/* Button glow pulse on primary */
.btn--primary {
  position: relative;
  overflow: hidden;
}

.btn--primary::after {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: inherit;
  background: linear-gradient(90deg, transparent, rgba(61,220,176,0.4), transparent);
  transform: translateX(-100%);
  animation: btnSweep 3s ease-in-out infinite;
}

@keyframes btnSweep {
  0%   { transform: translateX(-100%); }
  50%  { transform: translateX(100%); }
  100% { transform: translateX(100%); }
}

/* Ripple on click */
.btn {
  position: relative;
  overflow: hidden;
}

.ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,0.2);
  transform: scale(0);
  animation: rippleAnim 0.6s linear;
  pointer-events: none;
}

@keyframes rippleAnim {
  to { transform: scale(4); opacity: 0; }
}

/* Stat value glow */
.stat__value {
  text-shadow: 0 0 30px rgba(61,220,176,0.4), 0 0 60px rgba(61,220,176,0.15);
}

/* Stat section ambient glow */
#results {
  position: relative;
  overflow: hidden;
}
#results::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 300px;
  background: radial-gradient(ellipse, rgba(61,220,176,0.07) 0%, transparent 70%);
  pointer-events: none;
}

/* Card sweep border on hover */
.card {
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 60%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(61,220,176,0.07), transparent);
  transition: left 0.5s ease;
  pointer-events: none;
}

.card:hover::before { left: 150%; }

/* Testimonial card glow on hover */
.testimonial-card:hover {
  box-shadow: 0 0 0 1px rgba(61,220,176,0.2), 0 8px 32px rgba(0,0,0,0.4);
}

/* Section separator glow lines */
.section::after {
  content: none;
}

.section--alt {
  position: relative;
}

/* Blog card shimmer */
.blog-card {
  position: relative;
  overflow: hidden;
}

.blog-card::after {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 50%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(61,220,176,0.05), transparent);
  transition: left 0.6s ease;
  pointer-events: none;
}

.blog-card:hover::after { left: 150%; }

/* Badge pulse dot */
.badge::before {
  animation: badgePulse 1.8s ease-in-out infinite;
}

@keyframes badgePulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(61,220,176,0.6); }
  50%       { box-shadow: 0 0 0 6px rgba(61,220,176,0); }
}

/* SF dot active pulse */
.sf-step.active .sf-step__dot {
  animation: dotPulse 2s ease-in-out infinite;
}

@keyframes dotPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(61,220,176,0.5); }
  50%       { box-shadow: 0 0 0 8px rgba(61,220,176,0); }
}

/* Mockup top accent line glow */
.sf-mockup {
  position: relative;
}

.sf-mockup::before {
  content: '';
  position: absolute;
  top: 0; left: 10%; right: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--primary), transparent);
  box-shadow: 0 0 12px var(--primary);
}

/* CTA section stronger glow */
.section--cta::before {
  width: 900px;
  height: 700px;
  background: radial-gradient(ellipse at center, rgba(61,220,176,0.07) 0%, transparent 60%);
}

/* Trust band animated dots */
.trust-band__dots span:nth-child(3) {
  animation: trustPulse 2s ease-in-out infinite;
}

@keyframes trustPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(61,220,176,0.6); }
  50%       { box-shadow: 0 0 0 5px rgba(61,220,176,0); }
}

/* Neon outline on featured blog card */
.blog-card--featured {
  border-color: rgba(61,220,176,0.2);
  box-shadow: 0 0 0 1px rgba(61,220,176,0.06), inset 0 0 40px rgba(61,220,176,0.02);
}

/* FAQ item open glow */
.faq-item.open {
  box-shadow: 0 0 0 1px rgba(61,220,176,0.15), 0 4px 20px rgba(0,0,0,0.3);
}

/* Marquee item hover glow */
.marquee-item:hover {
  color: var(--primary);
  text-shadow: 0 0 12px rgba(61,220,176,0.4);
}

/* Floating element in hero */
.hero__float {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  z-index: 1;
  animation: floatDrift linear infinite;
  background: radial-gradient(circle, rgba(61,220,176,0.15) 0%, transparent 70%);
}

@keyframes floatDrift {
  0%   { transform: translateY(0px) translateX(0px); }
  33%  { transform: translateY(-18px) translateX(8px); }
  66%  { transform: translateY(-8px) translateX(-10px); }
  100% { transform: translateY(0px) translateX(0px); }
}

@media (max-width: 480px) {
  .cards { grid-template-columns: 1fr; }
  .clients { flex-direction: column; align-items: center; }
  .client-chip { width: 100%; max-width: 280px; justify-content: center; }
}