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

:root {
  --bg:           #09090f;
  --bg2:          #111118;
  --bg3:          #16161f;
  --border:       rgba(255, 255, 255, 0.07);
  --text:         #eeeef5;
  --text2:        #8888a8;
  --accent:       #6c63ff;
  --accent2:      #a78bfa;
  --accent-glow:  rgba(108, 99, 255, 0.22);
  --green:        #22c55e;
  --card-bg:      rgba(255, 255, 255, 0.04);
  --card-hover:   rgba(255, 255, 255, 0.07);
  --shadow:       0 20px 60px rgba(0, 0, 0, 0.4);
}

[data-theme="light"] {
  --bg:           #f7f7fc;
  --bg2:          #ffffff;
  --bg3:          #efeff8;
  --border:       rgba(0, 0, 0, 0.08);
  --text:         #0a0a1c;
  --text2:        #55557a;
  --accent:       #5b52e8;
  --accent2:      #7c3aed;
  --accent-glow:  rgba(91, 82, 232, 0.15);
  --green:        #16a34a;
  --card-bg:      rgba(0, 0, 0, 0.03);
  --card-hover:   rgba(0, 0, 0, 0.055);
  --shadow:       0 20px 60px rgba(0, 0, 0, 0.08);
}

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

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.75;
  transition: background-color 0.3s ease, color 0.3s ease;
  overflow-x: hidden;
}

/* =====================
   TYPOGRAPHY
   ===================== */
h1, h2, h3 {
  line-height: 1.2;
  letter-spacing: -0.025em;
}

h1 { font-size: clamp(2rem, 5vw, 3.8rem); font-weight: 800; }
h2 { font-size: clamp(1.7rem, 3.5vw, 2.7rem); font-weight: 700; margin-bottom: 0.75rem; }
h3 { font-size: 1.05rem; font-weight: 600; margin-bottom: 0.4rem; }

p { color: var(--text2); }

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

/* =====================
   LAYOUT
   ===================== */
.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

section {
  padding: 6rem 0;
}

.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
  margin: 0 2rem;
}

/* =====================
   NAVIGATION
   ===================== */
header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 999;
  border-bottom: 1px solid var(--border);
  background: rgba(9, 9, 15, 0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transition: background 0.3s;
}

[data-theme="light"] header {
  background: rgba(247, 247, 252, 0.9);
}

nav {
  max-width: 1080px;
  margin: 0 auto;
  padding: 1.1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: monospace;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  transition: opacity 0.2s;
}
.nav-logo:hover { opacity: 0.8; }
.nav-logo span { color: var(--accent); }

.nav-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.theme-btn {
  background: var(--card-bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.4rem 0.75rem;
  border-radius: 8px;
  cursor: pointer;
  font-size: 1rem;
  transition: background 0.2s, border-color 0.2s;
  line-height: 1;
}
.theme-btn:hover {
  background: var(--card-hover);
  border-color: var(--accent);
}

.nav-cta {
  background: var(--accent);
  color: #fff;
  padding: 0.55rem 1.25rem;
  border-radius: 9px;
  font-weight: 700;
  font-size: 0.88rem;
  transition: opacity 0.2s, transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 18px var(--accent-glow);
}
.nav-cta:hover {
  opacity: 0.88;
  transform: translateY(-1px);
  box-shadow: 0 6px 28px rgba(108,99,255,0.38);
}

/* =====================
   HERO
   ===================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 7rem;
  padding-bottom: 4rem;
  background: radial-gradient(ellipse 80% 55% at 50% 0%, rgba(108,99,255,0.11) 0%, transparent 68%);
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--card-bg);
  border: 1px solid var(--border);
  padding: 0.38rem 1.1rem;
  border-radius: 50px;
  font-size: 0.8rem;
  color: var(--text2);
  margin-bottom: 2rem;
  font-family: monospace;
}

.dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  animation: pulse 2.2s ease-in-out infinite;
  flex-shrink: 0;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.45; transform: scale(1.35); }
}

.gradient-text {
  background: linear-gradient(130deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero h1 {
  margin-bottom: 1.5rem;
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--text2);
  max-width: 560px;
  margin: 0 auto 2.5rem;
  line-height: 1.85;
}

.hero-bullets {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.65rem;
  margin-bottom: 3rem;
}

.hero-bullets li {
  background: var(--card-bg);
  border: 1px solid var(--border);
  padding: 0.42rem 1rem;
  border-radius: 50px;
  font-size: 0.85rem;
  color: var(--text2);
  display: flex;
  align-items: center;
  gap: 0.45rem;
  transition: border-color 0.2s, color 0.2s, transform 0.2s;
}
.hero-bullets li::before {
  content: "✓";
  color: var(--green);
  font-weight: 800;
}
.hero-bullets li:hover {
  border-color: var(--accent);
  color: var(--text);
  transform: translateY(-2px);
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}

/* =====================
   BUTTONS
   ===================== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--accent);
  color: #fff;
  padding: 0.88rem 2.2rem;
  border-radius: 12px;
  font-weight: 700;
  font-size: 1rem;
  transition: opacity 0.2s, transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 28px var(--accent-glow);
}
.btn-primary:hover {
  opacity: 0.88;
  transform: translateY(-2px);
  box-shadow: 0 8px 38px rgba(108,99,255,0.42);
}
.btn-primary.btn-large {
  padding: 1.1rem 2.8rem;
  font-size: 1.08rem;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: transparent;
  color: var(--text);
  padding: 0.88rem 2rem;
  border-radius: 12px;
  font-weight: 600;
  font-size: 1rem;
  border: 1px solid var(--border);
  transition: border-color 0.2s, color 0.2s, transform 0.2s;
}
.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

/* =====================
   SECTION HEADER
   ===================== */
.section-header {
  margin-bottom: 3.5rem;
}

.section-tag {
  display: block;
  font-family: monospace;
  font-size: 0.78rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 0.75rem;
}

.section-desc {
  font-size: 1.02rem;
  color: var(--text2);
  max-width: 540px;
  line-height: 1.85;
  margin-top: 0.6rem;
}

/* =====================
   CARDS (BENEFITS)
   ===================== */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.4rem;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  padding: 1.8rem;
  border-radius: 16px;
  transition: background 0.3s, border-color 0.3s, transform 0.3s, box-shadow 0.3s;
}
.card:hover {
  background: var(--card-hover);
  border-color: rgba(108,99,255,0.28);
  transform: translateY(-5px);
  box-shadow: 0 16px 45px rgba(0,0,0,0.25);
}
.card-icon {
  display: block;
  font-size: 2rem;
  margin-bottom: 1rem;
}
.card h3 { color: var(--text); }
.card p  { font-size: 0.88rem; }

/* =====================
   HOW IT WORKS
   ===================== */
.steps-grid {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.step {
  display: flex;
  gap: 1.2rem;
  align-items: flex-start;
  background: var(--card-bg);
  border: 1px solid var(--border);
  padding: 2rem 1.8rem;
  border-radius: 16px;
  transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
}
.step:hover {
  border-color: rgba(108,99,255,0.3);
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.step-num {
  font-family: monospace;
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--accent);
  opacity: 0.45;
  line-height: 1;
  flex-shrink: 0;
}

.step h3 { color: var(--text); font-size: 1rem; margin-bottom: 0.45rem; }
.step p  { font-size: 0.88rem; }

/* =====================
   PRICING
   ===================== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 1.5rem;
  align-items: start;
  margin-bottom: 2rem;
}

.pricing-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  padding: 2rem;
  border-radius: 20px;
  position: relative;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
}
.pricing-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: rgba(108,99,255,0.28);
}

.pricing-card.featured {
  border-color: var(--accent);
  background: rgba(108,99,255,0.065);
  box-shadow: 0 0 0 1px var(--accent), 0 24px 60px rgba(108,99,255,0.18);
}
.pricing-card.featured:hover {
  transform: translateY(-8px);
  box-shadow: 0 0 0 1px var(--accent), 0 32px 80px rgba(108,99,255,0.3);
}

.featured-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #fff;
  font-size: 0.73rem;
  font-weight: 800;
  padding: 0.3rem 1.1rem;
  border-radius: 50px;
  white-space: nowrap;
  letter-spacing: 0.04em;
}

.plan-name {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text2);
  margin-bottom: 1rem;
}

.plan-price {
  font-size: 3.2rem;
  font-weight: 800;
  letter-spacing: -0.05em;
  line-height: 1;
  margin-bottom: 0.3rem;
  color: var(--text);
}

.currency {
  font-size: 1.3rem;
  font-weight: 500;
  vertical-align: super;
  line-height: 1;
}

.plan-period {
  font-size: 0.8rem;
  color: var(--text2);
  margin-bottom: 1.6rem;
}

.plan-features {
  list-style: none;
  margin-bottom: 1.8rem;
  flex: 1;
}
.plan-features li {
  padding: 0.5rem 0;
  font-size: 0.88rem;
  color: var(--text2);
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  border-bottom: 1px solid var(--border);
}
.plan-features li:last-child { border-bottom: none; }
.plan-features li::before {
  content: "→";
  color: var(--accent);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

.plan-btn {
  display: block;
  text-align: center;
  padding: 0.88rem;
  border-radius: 11px;
  font-weight: 700;
  font-size: 0.95rem;
  transition: all 0.25s;
  margin-top: auto;
}

.plan-btn-outline {
  border: 1px solid var(--border);
  color: var(--text);
  background: transparent;
}
.plan-btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-1px);
}

.plan-btn-filled {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 22px var(--accent-glow);
  border: 1px solid transparent;
}
.plan-btn-filled:hover {
  opacity: 0.88;
  transform: translateY(-2px);
  box-shadow: 0 8px 34px rgba(108,99,255,0.42);
}

.maintenance-box {
  background: var(--card-bg);
  border: 1px solid var(--border);
  padding: 1.6rem 2rem;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  transition: border-color 0.25s, transform 0.25s;
}
.maintenance-box:hover {
  border-color: rgba(108,99,255,0.28);
  transform: translateY(-2px);
}

.maint-left h3 { font-size: 1.05rem; color: var(--text); margin-bottom: 0.3rem; }
.maint-left p  { font-size: 0.87rem; }

.maint-price {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--accent);
  white-space: nowrap;
  letter-spacing: -0.03em;
}
.maint-per {
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--text2);
}

/* =====================
   FAQ
   ===================== */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  margin-top: 3rem;
}

.faq-item {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 13px;
  overflow: hidden;
  transition: border-color 0.25s;
}
.faq-item:hover     { border-color: rgba(108,99,255,0.22); }
.faq-item.open      { border-color: rgba(108,99,255,0.35); }

.faq-q {
  width: 100%;
  background: none;
  border: none;
  color: var(--text);
  padding: 1.25rem 1.5rem;
  font-size: 0.98rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  text-align: left;
  font-family: inherit;
  transition: color 0.2s;
}
.faq-q:hover { color: var(--accent); }

.faq-icon {
  font-size: 1.3rem;
  color: var(--accent);
  font-weight: 300;
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  flex-shrink: 0;
  line-height: 1;
}
.faq-item.open .faq-icon { transform: rotate(45deg); }

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.42s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s;
  padding: 0 1.5rem;
  font-size: 0.9rem;
  line-height: 1.82;
}
.faq-a p { color: var(--text2); }
.faq-a strong { color: var(--text); }
.faq-item.open .faq-a {
  max-height: 320px;
  padding: 0 1.5rem 1.3rem;
}

/* =====================
   FINAL CTA
   ===================== */
.cta-section {
  text-align: center;
  background: radial-gradient(ellipse 75% 75% at 50% 50%, rgba(108,99,255,0.09) 0%, transparent 68%);
}

.cta-box {
  background: var(--card-bg);
  border: 1px solid rgba(108,99,255,0.22);
  padding: 3.5rem 2rem;
  border-radius: 24px;
  max-width: 640px;
  margin: 0 auto;
  box-shadow: 0 0 80px rgba(108,99,255,0.1);
}
.cta-box .section-tag { margin-bottom: 1rem; }
.cta-box h2   { margin-bottom: 1rem; }
.cta-box > p  { margin-bottom: 2.2rem; max-width: 460px; margin-left: auto; margin-right: auto; }

.cta-note {
  margin-top: 1.2rem !important;
  font-size: 0.8rem !important;
  color: var(--text2);
  margin-bottom: 0 !important;
}

/* =====================
   FOOTER
   ===================== */
footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem 1.5rem;
  text-align: center;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.45rem;
}

.footer-logo {
  font-family: monospace;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
}
.footer-logo span { color: var(--accent); }

.footer-copy {
  font-size: 0.85rem;
  color: var(--text2);
}
.footer-copy a {
  color: var(--accent);
  transition: opacity 0.2s;
}
.footer-copy a:hover { opacity: 0.75; text-decoration: underline; }

.footer-tagline {
  font-family: monospace;
  font-size: 0.72rem;
  color: var(--text2);
  opacity: 0.45;
}

/* =====================
   SCROLL FADE-IN
   ===================== */
.fade-in {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* =====================
   RESPONSIVE
   ===================== */
@media (max-width: 768px) {
  section { padding: 4rem 0; }

  .hero { padding-top: 6rem; }

  .hero-ctas {
    flex-direction: column;
    align-items: center;
  }

  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .maintenance-box {
    flex-direction: column;
    text-align: center;
  }

  .faq-q { font-size: 0.92rem; }

  .cta-box { padding: 2.5rem 1.5rem; }

  nav { padding: 0.9rem 1.2rem; }

  .nav-logo { font-size: 1rem; }
}

@media (max-width: 480px) {
  h1 { font-size: 1.9rem; }
  h2 { font-size: 1.6rem; }

  .btn-primary,
  .btn-secondary { width: 100%; justify-content: center; }

  .steps-grid { grid-template-columns: 1fr; }
}