/* ── Design tokens ─────────────────────────────────────────────────────────── */
:root {
  --bg-primary:        #121212;
  --bg-surface:        #161F30;
  --bg-elevated:       #152629;
  --text-primary:      #FFFFFF;
  --text-secondary:    #94A3B8;
  --text-tertiary:     #64748B;
  --accent:            #32D5F9;
  --accent-dim:        rgba(50, 213, 249, 0.08);
  --accent-hover:      rgba(50, 213, 249, 0.85);
  --border:            rgba(255,255,255,0.2);
  --border-hover:      rgba(255,255,255,0.3);

  --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', 'SF Mono', Menlo, Monaco, Consolas, monospace;

  --space-1:   4px;
  --space-2:   8px;
  --space-3:   12px;
  --space-4:   16px;
  --space-5:   20px;
  --space-6:   24px;
  --space-8:   32px;
  --space-10:  40px;
  --space-12:  48px;
  --space-16:  64px;
  --space-20:  80px;
  --space-24:  96px;
  --space-32: 128px;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --max-width: 1120px;
  --nav-height: 72px;
}

/* ── Animations ───────────────────────────────────────────────────────────── */
@keyframes fade-up {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

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

@keyframes pulse-glow {
  0%   { box-shadow: 0 0 20px rgba(50, 213, 249, 0.1); }
  50%  { box-shadow: 0 0 40px rgba(50, 213, 249, 0.2); }
  100% { box-shadow: 0 0 20px rgba(50, 213, 249, 0.1); }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-8px); }
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-mono);
  background: var(--bg-primary);
  color: var(--text-secondary);
  line-height: 1.6;
}

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

img, svg {
  display: block;
}

/* ── Navigation ───────────────────────────────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(18, 18, 18, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  height: var(--nav-height);
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-primary);
  transition: opacity 0.15s ease;
}

.nav-logo:hover {
  opacity: 0.85;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.nav-link {
  font-size: 1rem;
  font-weight: 400;
  color: var(--text-secondary);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  transition: color 0.15s ease, background 0.15s ease;
}

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

.nav-link--cta {
  background: var(--accent);
  color: var(--bg-primary);
  font-weight: 700;
  margin-left: var(--space-2);
  transition: background 0.15s ease, transform 0.15s ease;
}

.nav-link--cta:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  color: var(--bg-primary);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  padding: var(--space-2);
  border-radius: var(--radius-sm);
}

.nav-toggle:hover {
  background: rgba(255,255,255,0.05);
}

.nav-mobile {
  display: none;
  flex-direction: column;
  padding: var(--space-4) var(--space-6) var(--space-6);
  gap: var(--space-1);
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
}

.nav--open .nav-mobile {
  display: flex;
}

/* ── Section headers ───────────────────────────────────────────────────────── */
.section-label {
  display: inline-block;
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: var(--space-3);
}

.section-title {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-3);
}

.section-subtitle {
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 580px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ── Buttons ───────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: background 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease, color 0.15s ease;
  text-decoration: none;
}

.btn--primary {
  background: var(--accent);
  color: var(--bg-primary);
  box-shadow: 0 2px 8px rgba(50, 213, 249, 0.25);
}

.btn--primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(50, 213, 249, 0.35);
}

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

.btn--ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-hover);
}

.btn--ghost:hover {
  background: rgba(255,255,255,0.05);
  color: var(--text-primary);
  border-color: rgba(255,255,255,0.2);
}

.btn--outline {
  background: transparent;
  color: var(--accent);
  border: 1px solid rgba(50, 213, 249, 0.3);
}

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

.btn--large {
  padding: var(--space-4) var(--space-8);
  font-size: 16px;
}

/* ── Hero ──────────────────────────────────────────────────────────────────── */
.hero {
  position: relative;
  padding: var(--space-24) 0 var(--space-20);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: -50%;
  left: -25%;
  width: 150%;
  height: 150%;
  background: radial-gradient(ellipse at 50% 0%, rgba(50, 213, 249, 0.04) 0%, transparent 60%),
              radial-gradient(ellipse at 80% 20%, rgba(50, 213, 249, 0.02) 0%, transparent 50%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-surface);
  border: 1px solid var(--border);
  padding: var(--space-1) var(--space-4);
  border-radius: 100px;
  margin-bottom: var(--space-8);
  animation: fade-up 0.6s ease both;
}

.hero-title {
  font-size: clamp(36px, 6vw, 72px);
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-6);
  animation: fade-up 0.6s ease 0.1s both;
}

.gradient-text {
  background: linear-gradient(135deg, var(--accent) 0%, #FFFFFF 50%, var(--accent) 100%);
  background-size: 200% 200%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmer 4s ease infinite;
}

.hero-description {
  font-size: clamp(16px, 2vw, 18px);
  color: var(--text-secondary);
  max-width: 620px;
  margin: 0 auto var(--space-4);
  line-height: 1.7;
  padding: 0 var(--space-10);
  animation: fade-up 0.6s ease 0.2s both;
}

.hero-tagline {
  font-size: clamp(14px, 1.5vw, 16px);
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: var(--space-8);
  animation: fade-up 0.6s ease 0.25s both;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  margin-bottom: var(--space-12);
  animation: fade-up 0.6s ease 0.3s both;
}



/* ── Features ──────────────────────────────────────────────────────────────── */
.features {
  padding: var(--space-20) 0 var(--space-24);
}

.features-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.features-header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}

.feature-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.feature-card:hover {
  border-color: rgba(50, 213, 249, 0.2);
  transform: translateY(-2px);
}

.feature-icon {
  width: 44px;
  height: 44px;
  background: var(--accent-dim);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
}

.feature-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.feature-description {
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-secondary);
}

/* ── How It Works ──────────────────────────────────────────────────────────── */
.how-it-works {
  padding: var(--space-20) 0 var(--space-24);
  background: var(--bg-surface);
}

.how-it-works-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.steps-header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.steps-grid {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: var(--space-6);
}

.step-card {
  flex: 1;
  max-width: 320px;
  text-align: center;
  padding: var(--space-8) var(--space-6);
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.step-card:hover {
  border-color: rgba(50, 213, 249, 0.15);
  transform: translateY(-2px);
}

.step-number {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-dim);
  color: var(--accent);
  font-size: 20px;
  font-weight: 700;
  border-radius: 100px;
  margin: 0 auto var(--space-5);
}

.step-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-3);
}

.step-description {
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-secondary);
}

.step-connector {
  display: flex;
  align-items: center;
  padding-top: 68px;
  flex-shrink: 0;
}

/* ── Pricing ───────────────────────────────────────────────────────────────── */
.pricing {
  padding: var(--space-20) 0 var(--space-24);
}

.pricing-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.pricing-header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  align-items: stretch;
}

.pricing-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.pricing-card:hover {
  border-color: rgba(255,255,255,0.1);
  transform: translateY(-2px);
}

.pricing-card--featured {
  border-color: rgba(50, 213, 249, 0.3);
  background: linear-gradient(180deg, rgba(50, 213, 249, 0.03) 0%, var(--bg-surface) 100%);
  transform: scale(1.05);
}

.pricing-card--featured:hover {
  border-color: rgba(50, 213, 249, 0.5);
  transform: scale(1.05) translateY(-2px);
}

.pricing-card-badge {
  margin-top: -12px;
  align-self: center;
  background: var(--accent);
  color: var(--bg-primary);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: var(--space-1) var(--space-4);
  border-radius: 100px;
}

.pricing-card-header {
  text-align: center;
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--border);
  margin-bottom: var(--space-6);
}

.pricing-tier {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-3);
}

.pricing-amount {
  font-size: 48px;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.03em;
  line-height: 1;
}

.pricing-amount .currency {
  font-size: 24px;
  font-weight: 600;
  vertical-align: super;
  margin-right: 2px;
}

.pricing-period {
  font-size: 14px;
  color: var(--text-tertiary);
  margin-top: var(--space-2);
}

.pricing-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
  flex: 1;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: 14px;
  color: var(--text-secondary);
}

.pricing-features li svg {
  flex-shrink: 0;
}

.pricing-btn {
  width: 100%;
  margin-top: auto;
}

/* ── FAQ ───────────────────────────────────────────────────────────────────── */
.faq {
  padding: var(--space-20) 0 var(--space-24);
  background: var(--bg-surface);
}

.faq-inner {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.faq-header {
  text-align: center;
  margin-bottom: var(--space-10);
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color 0.2s ease;
}

.faq-item[open] {
  border-color: rgba(50, 213, 249, 0.2);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  font-size: 16px;
  font-weight: 500;
  color: var(--text-primary);
  padding: var(--space-5) var(--space-6);
  cursor: pointer;
  list-style: none;
  user-select: none;
  transition: background 0.15s ease;
}

.faq-question:hover {
  background: rgba(255,255,255,0.02);
}

.faq-question::-webkit-details-marker {
  display: none;
}

.faq-chevron {
  flex-shrink: 0;
  transition: transform 0.2s ease;
  color: var(--text-tertiary);
}

.faq-item[open] .faq-chevron {
  transform: rotate(180deg);
}

.faq-answer {
  padding: 0 var(--space-6) var(--space-5);
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-secondary);
}

/* ── Contact ───────────────────────────────────────────────────────────────── */
.contact {
  padding: var(--space-20) 0 var(--space-24);
}

.contact-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.contact-header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.contact-grid {
  max-width: 640px;
  margin: 0 auto;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
}

.form-input {
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--text-primary);
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: var(--space-3) var(--space-4);
  outline: none;
  transition: border-color 0.15s ease;
}

.form-input::placeholder {
  color: var(--text-tertiary);
}

.form-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(50, 213, 249, 0.1);
}

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

select.form-input {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='12' viewBox='0 0 12 12' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M3 5L6 8L9 5' stroke='%2394A3B8' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

select.form-input option {
  background: var(--bg-surface);
  color: var(--text-primary);
}


/* ── CTA Banner ────────────────────────────────────────────────────────────── */
/* ── Footer ────────────────────────────────────────────────────────────────── */
.footer {
  background: var(--bg-primary);
  padding: var(--space-16) 0 var(--space-8);
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-12);
  margin-bottom: var(--space-10);
}

.footer-brand .nav-logo {
  margin-bottom: var(--space-4);
}

.footer-tagline {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: var(--space-5);
  line-height: 1.6;
}

.footer-social {
  display: flex;
  gap: var(--space-3);
}

.footer-social a {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}

.footer-social a:hover {
  color: var(--accent);
  border-color: rgba(50, 213, 249, 0.3);
  background: var(--accent-dim);
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
}

.footer-col-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-4);
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer-col a {
  font-size: 14px;
  color: var(--text-secondary);
  transition: color 0.15s ease;
}

.footer-col a:hover {
  color: var(--text-primary);
}

.footer-bottom {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-6) var(--space-6) 0;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-bottom p {
  font-size: 13px;
  color: var(--text-tertiary);
}

.footer-legal {
  display: flex;
  gap: var(--space-5);
}

.footer-legal a {
  font-size: 13px;
  color: var(--text-tertiary);
  transition: color 0.15s ease;
}

.footer-legal a:hover {
  color: var(--text-primary);
}

/* ── Responsive ────────────────────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
  }

  .pricing-card--featured {
    transform: none;
  }

  .pricing-card--featured:hover {
    transform: translateY(-2px);
  }

  .steps-grid {
    flex-direction: column;
    align-items: center;
  }

  .step-connector {
    padding-top: 0;
    transform: rotate(90deg);
  }

  .footer-links {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .nav-toggle {
    display: block;
  }

  .hero {
    padding: var(--space-16) 0 var(--space-16);
  }

  .hero-inner {
    padding: 0 var(--space-8);
  }

  .hero-title {
    font-size: 32px;
  }

  .hero-description {
    font-size: 16px;
    padding: 0 var(--space-8);
  }

  .hero-actions {
    flex-direction: column;
    gap: var(--space-3);
  }

  .btn {
    width: 100%;
    max-width: 320px;
  }

  .features {
    padding: var(--space-16) 0 var(--space-20);
  }

  .features-grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .how-it-works {
    padding: var(--space-16) 0 var(--space-20);
  }

  .pricing {
    padding: var(--space-16) 0 var(--space-20);
  }

  .faq {
    padding: var(--space-16) 0 var(--space-20);
  }

  .contact {
    padding: var(--space-16) 0 var(--space-20);
  }

  .contact-form .btn {
    width: 100%;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .footer-links {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
  }
}

@media (max-width: 480px) {
  .footer-links {
    grid-template-columns: 1fr;
  }
}