/* ===== Variables ===== */
:root {
  --bg:         #07071a;
  --bg-alt:     #0d0d24;
  --surface:    rgba(255,255,255,0.04);
  --border:     rgba(255,255,255,0.08);
  --border-hover: rgba(99,102,241,0.4);
  --primary:    #6366f1;
  --primary-hover: #818cf8;
  --primary-glow: rgba(99,102,241,0.25);
  --text:       #f1f5f9;
  --text-muted: #64748b;
  --text-dim:   #94a3b8;
  --radius:     12px;
  --radius-lg:  20px;
  --nav-h:      68px;
  --transition: 0.2s ease;
}

/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ===== Layout ===== */
.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Navigation ===== */
.nav-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: transparent;
  transition: background var(--transition), box-shadow var(--transition), border-color var(--transition);
  border-bottom: 1px solid transparent;
}
.nav-header.scrolled {
  background: rgba(7,7,26,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-color: var(--border);
  box-shadow: 0 4px 32px rgba(0,0,0,0.3);
}
.nav-container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.3px;
  color: var(--text);
}
.logo-mark {
  width: 32px;
  height: 32px;
  background: var(--primary);
  color: #fff;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 800;
  flex-shrink: 0;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-link {
  padding: 8px 14px;
  font-size: 14px;
  color: var(--text-dim);
  border-radius: 8px;
  transition: color var(--transition), background var(--transition);
}
.nav-link:hover { color: var(--text); background: var(--surface); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-dim);
  border-radius: 2px;
  transition: transform 0.25s, opacity 0.25s;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-mobile {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 12px 24px 20px;
  border-top: 1px solid var(--border);
  background: rgba(7,7,26,0.95);
}
.nav-mobile.open { display: flex; }
.nav-mobile .nav-link { padding: 10px 14px; }
.nav-mobile .btn { margin-top: 8px; justify-content: center; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  box-shadow: 0 0 0 0 var(--primary-glow);
}
.btn-primary:hover {
  background: var(--primary-hover);
  border-color: var(--primary-hover);
  box-shadow: 0 4px 24px var(--primary-glow);
  transform: translateY(-1px);
}
.btn-outline {
  background: transparent;
  color: var(--text-dim);
  border-color: var(--border);
}
.btn-outline:hover {
  color: var(--text);
  border-color: var(--border-hover);
  background: var(--surface);
}
.btn-ghost {
  background: transparent;
  color: var(--text-dim);
  border-color: transparent;
}
.btn-ghost:hover { color: var(--text); background: var(--surface); }
.btn-lg { padding: 13px 26px; font-size: 15px; border-radius: 12px; }
.btn-block { width: 100%; justify-content: center; }

/* ===== Sections ===== */
.section { padding: 96px 0; }
.section--dark { background: var(--bg-alt); }
.section--cta {
  position: relative;
  text-align: center;
  overflow: hidden;
  padding: 100px 0;
}
.cta-glow {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 500px;
  height: 300px;
  background: radial-gradient(ellipse, var(--primary-glow) 0%, transparent 70%);
  pointer-events: none;
}

.section-eyebrow {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 16px;
}
.section-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  letter-spacing: -0.5px;
  line-height: 1.15;
  margin-bottom: 16px;
  color: var(--text);
  text-align: center;
}
.section-title--left { text-align: left; }
.section-subtitle {
  font-size: 17px;
  color: var(--text-dim);
  max-width: 560px;
  margin: 0 auto 56px;
  text-align: center;
  line-height: 1.7;
}
.section-subtitle--left { text-align: left; margin: 0 0 40px; }
.section-cta { text-align: center; margin-top: 56px; }

/* ===== Hero ===== */
.hero {
  position: relative;
  padding: calc(var(--nav-h) + 80px) 0 100px;
  text-align: center;
  overflow: hidden;
}
.hero-glow {
  position: absolute;
  top: -100px; left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 600px;
  background: radial-gradient(ellipse at center top, rgba(99,102,241,0.18) 0%, transparent 65%);
  pointer-events: none;
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 20%, transparent 80%);
  pointer-events: none;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(99,102,241,0.12);
  border: 1px solid rgba(99,102,241,0.25);
  color: #a5b4fc;
  font-size: 13px;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 32px;
}
.badge-pulse {
  width: 7px;
  height: 7px;
  background: #6366f1;
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.hero-title {
  font-size: clamp(36px, 6vw, 68px);
  font-weight: 800;
  letter-spacing: -1.5px;
  line-height: 1.08;
  margin-bottom: 24px;
}
.gradient-text {
  background: linear-gradient(135deg, #6366f1 0%, #a78bfa 50%, #60a5fa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-subtitle {
  font-size: 18px;
  color: var(--text-dim);
  max-width: 580px;
  margin: 0 auto 40px;
  line-height: 1.7;
}
.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}
.hero-pills {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}
.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-muted);
  padding: 4px 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 100px;
}
.pill svg { color: #4ade80; }

/* ===== Features Grid ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.feature-card--wide { grid-column: span 2; }

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.feature-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.2);
}
.feature-icon {
  width: 48px;
  height: 48px;
  background: rgba(99,102,241,0.12);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  margin-bottom: 16px;
}
.feature-card h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text);
}
.feature-card p {
  font-size: 14px;
  color: var(--text-dim);
  line-height: 1.65;
}
.feature-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 16px;
}
.tag {
  font-size: 12px;
  font-weight: 500;
  color: #a5b4fc;
  background: rgba(99,102,241,0.1);
  border: 1px solid rgba(99,102,241,0.2);
  padding: 3px 10px;
  border-radius: 100px;
}

/* ===== Pricing ===== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  align-items: start;
}
.pricing-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: border-color var(--transition), transform var(--transition);
}
.pricing-card:hover { border-color: var(--border-hover); }
.pricing-card--featured {
  border-color: var(--primary);
  background: rgba(99,102,241,0.06);
  transform: scale(1.02);
  box-shadow: 0 0 0 1px var(--primary), 0 8px 40px var(--primary-glow);
}
.pricing-badge {
  position: absolute;
  top: -13px; left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 100px;
  white-space: nowrap;
}
.pricing-name {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
}
.pricing-price { margin-bottom: 12px; }
.price-from { display: block; font-size: 12px; color: var(--text-muted); margin-bottom: 2px; }
.price-amount {
  font-size: 32px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.5px;
}
.price-amount small { font-size: 15px; font-weight: 500; color: var(--text-dim); }
.pricing-desc {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 24px;
  line-height: 1.6;
}
.pricing-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 28px;
}
.pricing-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-dim);
}
.pricing-list li svg { color: #4ade80; flex-shrink: 0; }

/* ===== Emailing ===== */
.emailing-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.emailing-items { display: flex; flex-direction: column; gap: 24px; margin-bottom: 36px; }
.emailing-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}
.emailing-icon {
  width: 40px;
  height: 40px;
  background: rgba(99,102,241,0.1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  flex-shrink: 0;
  margin-top: 2px;
}
.emailing-item strong { display: block; font-size: 15px; font-weight: 600; margin-bottom: 4px; }
.emailing-item span { font-size: 14px; color: var(--text-muted); line-height: 1.5; }

/* Email mockup */
.email-card {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(0,0,0,0.4);
}
.email-card-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
}
.email-card-label {
  font-size: 12px;
  color: var(--text-muted);
  margin-left: auto;
  margin-right: auto;
  padding-right: 36px;
}
.dot { width: 11px; height: 11px; border-radius: 50%; }
.dot--red    { background: #ff5f57; }
.dot--yellow { background: #ffbd2e; }
.dot--green  { background: #28c840; }

.email-card-body { padding: 20px; }
.email-field {
  display: flex;
  gap: 12px;
  font-size: 13px;
  padding: 7px 0;
  border-bottom: 1px solid var(--border);
}
.email-field:last-of-type { border-bottom: none; }
.email-field-label { color: var(--text-muted); width: 42px; flex-shrink: 0; }
.email-field-value { color: var(--text-dim); }
.email-divider { height: 1px; background: var(--border); margin: 16px 0; }
.email-body-preview { display: flex; flex-direction: column; gap: 10px; margin-bottom: 20px; }

.skeleton-line {
  height: 10px;
  background: var(--border);
  border-radius: 100px;
  width: 100%;
}
.skeleton-line--short { width: 65%; }
.skeleton-line--xshort { width: 40%; }

.email-otp {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: 6px;
  color: var(--primary);
  text-align: center;
  padding: 12px 0;
}
.email-badges { display: flex; gap: 8px; flex-wrap: wrap; }
.email-badge {
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 100px;
}
.email-badge--green  { background: rgba(74,222,128,0.1); color: #4ade80; border: 1px solid rgba(74,222,128,0.2); }
.email-badge--blue   { background: rgba(96,165,250,0.1); color: #60a5fa; border: 1px solid rgba(96,165,250,0.2); }
.email-badge--purple { background: rgba(167,139,250,0.1); color: #a78bfa; border: 1px solid rgba(167,139,250,0.2); }

/* ===== CTA Section ===== */
.cta-title {
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 16px;
}
.cta-subtitle {
  font-size: 17px;
  color: var(--text-dim);
  max-width: 480px;
  margin: 0 auto 36px;
  line-height: 1.7;
}

/* ===== Footer ===== */
.footer {
  border-top: 1px solid var(--border);
  padding: 48px 0 32px;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand p {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 12px;
  line-height: 1.6;
}
.footer-brand .nav-logo { margin-bottom: 0; }
.footer-nav { display: flex; gap: 48px; }
.footer-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-col strong { font-size: 13px; font-weight: 600; color: var(--text); margin-bottom: 4px; }
.footer-col a { font-size: 14px; color: var(--text-muted); transition: color var(--transition); }
.footer-col a:hover { color: var(--text); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  font-size: 13px;
  color: var(--text-muted);
}

/* ===== Animations ===== */
.fade-in { opacity: 0; transform: translateY(20px); transition: opacity 0.5s ease, transform 0.5s ease; }
.fade-in.visible { opacity: 1; transform: none; }

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .features-grid { grid-template-columns: 1fr 1fr; }
  .feature-card--wide { grid-column: span 2; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto; }
  .pricing-card--featured { transform: none; }
  .emailing-layout { grid-template-columns: 1fr; gap: 48px; }
}

@media (max-width: 640px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .features-grid { grid-template-columns: 1fr; }
  .feature-card--wide { grid-column: span 1; }
  .section { padding: 64px 0; }
  .hero { padding: calc(var(--nav-h) + 48px) 0 72px; }
  .hero-title { letter-spacing: -1px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { justify-content: center; }
  .footer-inner { flex-direction: column; }
  .footer-nav { gap: 32px; }
}