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

:root {
  --primary:      #6366f1;
  --primary-dark: #4f46e5;
  --primary-rgb:  99,102,241;
  --violet:       #8b5cf6;
  --pink:         #ec4899;
  --navy:         #0f172a;
  --navy-mid:     #1e293b;
  --slate:        #64748b;
  --border:       #e2e8f0;
  --bg-alt:       #f8f7ff;
  --white:        #ffffff;
  --radius:       12px;
  --font:         -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', Roboto, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--navy);
  line-height: 1.6;
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

/* ── Utility ────────────────────────────────────────────────── */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 28px;
}

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

/* ── Navbar ─────────────────────────────────────────────────── */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(99,102,241,0.1);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-brand {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, #6366f1, #a855f7, #ec4899);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-brand i {
  -webkit-text-fill-color: initial;
  background: none;
  color: #f97316;
  font-size: 17px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--slate);
  transition: color 0.15s;
}

.nav-links a:hover { color: var(--navy); }

.btn-nav {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: linear-gradient(135deg, #6366f1, #8b5cf6) !important;
  color: var(--white) !important;
  padding: 8px 18px;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 600;
  transition: opacity 0.15s, transform 0.1s, box-shadow 0.15s;
  box-shadow: 0 2px 10px rgba(var(--primary-rgb), 0.35);
}

.btn-nav:hover {
  opacity: 0.9;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(var(--primary-rgb), 0.45) !important;
}

.nav-hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  color: var(--navy);
  font-size: 20px;
}

/* ── Hero ───────────────────────────────────────────────────── */
.hero {
  background: linear-gradient(160deg, #0c0e1a 0%, #1a0f2e 45%, #0f172a 100%);
  color: var(--white);
  padding: 110px 0 90px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 60% at 15% 50%, rgba(99,102,241,0.22) 0%, transparent 60%),
    radial-gradient(ellipse 55% 50% at 85% 40%, rgba(168,85,247,0.18) 0%, transparent 60%),
    radial-gradient(ellipse 40% 40% at 50% 100%, rgba(236,72,153,0.12) 0%, transparent 60%);
  pointer-events: none;
}

.hero-eyebrow {
  display: inline-block;
  background: rgba(99,102,241,0.18);
  color: #a5b4fc;
  border: 1px solid rgba(99,102,241,0.35);
  border-radius: 100px;
  padding: 4px 16px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 28px;
}

.hero h1 {
  font-size: clamp(36px, 6vw, 66px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 22px;
  max-width: 820px;
  margin-left: auto;
  margin-right: auto;
}

.hero h1 span {
  background: linear-gradient(135deg, #818cf8, #c084fc, #f472b6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: clamp(16px, 2vw, 19px);
  color: #94a3b8;
  max-width: 540px;
  margin: 0 auto 44px;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  color: var(--white);
  padding: 14px 30px;
  border-radius: 100px;
  font-size: 15px;
  font-weight: 700;
  transition: opacity 0.15s, transform 0.1s, box-shadow 0.15s;
  box-shadow: 0 4px 20px rgba(var(--primary-rgb), 0.5);
  letter-spacing: 0.01em;
}

.btn-primary:hover {
  opacity: 0.92;
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(var(--primary-rgb), 0.55);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.06);
  color: #cbd5e1;
  border: 1.5px solid rgba(203,213,225,0.25);
  padding: 14px 30px;
  border-radius: 100px;
  font-size: 15px;
  font-weight: 600;
  transition: border-color 0.15s, color 0.15s, background 0.15s, transform 0.1s;
}

.btn-outline:hover {
  border-color: rgba(203,213,225,0.55);
  background: rgba(255,255,255,0.1);
  color: var(--white);
  transform: translateY(-2px);
}

/* ── Features ───────────────────────────────────────────────── */
.section { padding: 96px 0; }
.section-alt { background: var(--bg-alt); }

.section-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: linear-gradient(135deg, var(--primary), var(--violet));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 12px;
  display: inline-block;
}

.section-title {
  font-size: clamp(26px, 4vw, 42px);
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--navy);
  margin-bottom: 16px;
}

.section-sub {
  font-size: 17px;
  color: var(--slate);
  max-width: 560px;
  line-height: 1.75;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 56px;
}

.feature-card {
  background: var(--white);
  border: 1px solid rgba(99,102,241,0.1);
  border-radius: 16px;
  padding: 30px;
  transition: box-shadow 0.2s, transform 0.2s, border-color 0.2s;
}

.feature-card:hover {
  box-shadow: 0 12px 40px rgba(99,102,241,0.12);
  transform: translateY(-4px);
  border-color: rgba(99,102,241,0.25);
}

.feature-icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(99,102,241,0.12), rgba(139,92,246,0.12));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--primary);
  margin-bottom: 18px;
  border: 1px solid rgba(99,102,241,0.15);
}

.feature-card h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.feature-card p {
  font-size: 14px;
  color: var(--slate);
  line-height: 1.7;
}

/* ── About ──────────────────────────────────────────────────── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-bullets {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 32px;
}

.about-bullets li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 15px;
  color: var(--navy-mid);
}

.about-bullets li i {
  color: var(--primary);
  font-size: 15px;
  margin-top: 3px;
  flex-shrink: 0;
}

.about-visual {
  background: linear-gradient(160deg, #0c0e1a 0%, #1a0f2e 100%);
  border-radius: 20px;
  padding: 36px;
  color: var(--white);
  font-family: 'SF Mono', 'Fira Code', Consolas, monospace;
  font-size: 13px;
  line-height: 1.8;
  box-shadow: 0 24px 64px rgba(99,102,241,0.2), 0 0 0 1px rgba(99,102,241,0.15);
}

.about-visual .dot-row {
  display: flex;
  gap: 6px;
  margin-bottom: 20px;
}

.about-visual .dot { width: 12px; height: 12px; border-radius: 50%; }
.dot-red    { background: #ef4444; }
.dot-yellow { background: #f59e0b; }
.dot-green  { background: #10b981; }

.code-line { color: #94a3b8; }
.code-key  { color: #a5b4fc; }
.code-val  { color: #34d399; }
.code-str  { color: #fbbf24; }
.code-dim  { color: #475569; }

/* ── Pricing ────────────────────────────────────────────────── */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 56px;
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}
.pricing-grid-3 {
  grid-template-columns: repeat(3, 1fr);
  max-width: 1080px;
}

.pricing-card {
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: 18px;
  padding: 38px;
  position: relative;
  transition: box-shadow 0.2s, transform 0.2s;
}

.pricing-card:hover { box-shadow: 0 12px 40px rgba(0,0,0,0.08); transform: translateY(-2px); }

.pricing-card.featured {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(var(--primary-rgb),0.1), 0 12px 40px rgba(var(--primary-rgb),0.15);
}

.pricing-badge {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--primary), var(--violet));
  color: var(--white);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  padding: 4px 16px;
  border-radius: 100px;
  white-space: nowrap;
}

.pricing-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
}

.pricing-price {
  font-size: 44px;
  font-weight: 800;
  color: var(--navy);
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 6px;
}

.pricing-price sup {
  font-size: 20px;
  font-weight: 600;
  vertical-align: super;
  letter-spacing: 0;
}

.pricing-period {
  font-size: 13px;
  color: var(--slate);
  margin-bottom: 28px;
}

.pricing-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--navy-mid);
}

.pricing-features li i { color: #10b981; font-size: 14px; flex-shrink: 0; }
.pricing-features li.muted i { color: var(--slate); }
.pricing-features li.muted   { color: var(--slate); }
.pricing-features li i.fa-xmark { color: #ef4444; }

.btn-pricing {
  display: block;
  text-align: center;
  padding: 13px;
  border-radius: 100px;
  font-size: 15px;
  font-weight: 600;
  transition: all 0.15s;
  border: 1.5px solid var(--border);
  color: var(--navy);
}

.btn-pricing:hover { border-color: var(--primary); color: var(--primary); }

.btn-pricing.featured {
  background: linear-gradient(135deg, var(--primary), var(--violet));
  color: var(--white);
  border: none;
  box-shadow: 0 4px 16px rgba(var(--primary-rgb), 0.4);
}

.btn-pricing.featured:hover { opacity: 0.92; box-shadow: 0 6px 22px rgba(var(--primary-rgb), 0.5); }

/* ── Support ────────────────────────────────────────────────── */
.support-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 56px;
}

.support-card {
  border: 1px solid rgba(99,102,241,0.1);
  border-radius: 16px;
  padding: 36px 28px;
  text-align: center;
  transition: box-shadow 0.2s, transform 0.2s, border-color 0.2s;
  background: var(--white);
}

.support-card:hover {
  box-shadow: 0 10px 32px rgba(99,102,241,0.1);
  transform: translateY(-3px);
  border-color: rgba(99,102,241,0.2);
}

.support-icon {
  font-size: 28px;
  background: linear-gradient(135deg, var(--primary), var(--violet));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 16px;
  display: block;
}

.support-card h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 10px;
}

.support-card p {
  font-size: 14px;
  color: var(--slate);
  line-height: 1.7;
  margin-bottom: 22px;
}

.support-link {
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap 0.15s;
}

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

/* ── Contact ────────────────────────────────────────────────── */
.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
  margin-top: 56px;
}

.contact-info { display: flex; flex-direction: column; gap: 28px; }

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.contact-item-icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(99,102,241,0.1), rgba(139,92,246,0.1));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
  color: var(--primary);
  flex-shrink: 0;
  border: 1px solid rgba(99,102,241,0.15);
}

.contact-item h4 { font-size: 14px; font-weight: 700; color: var(--navy); margin-bottom: 4px; }
.contact-item p  { font-size: 14px; color: var(--slate); }
.contact-item a  { color: var(--primary); }
.contact-item a:hover { text-decoration: underline; }

.contact-form {
  background: var(--bg-alt);
  border: 1px solid rgba(99,102,241,0.12);
  border-radius: 18px;
  padding: 36px;
}

.contact-form h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 18px;
}

.form-group label { font-size: 13px; font-weight: 600; color: var(--navy-mid); }

.form-group input,
.form-group textarea,
.form-group select {
  padding: 10px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-size: 14px;
  font-family: var(--font);
  color: var(--navy);
  background: var(--white);
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}

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

.form-group textarea { resize: vertical; min-height: 110px; }

.btn-submit {
  width: 100%;
  background: linear-gradient(135deg, var(--primary), var(--violet));
  color: var(--white);
  border: none;
  border-radius: 100px;
  padding: 13px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: opacity 0.15s, box-shadow 0.15s;
  box-shadow: 0 4px 16px rgba(var(--primary-rgb),0.35);
}

.btn-submit:hover { opacity: 0.92; box-shadow: 0 6px 22px rgba(var(--primary-rgb),0.45); }

/* ── Footer ─────────────────────────────────────────────────── */
footer {
  background: linear-gradient(160deg, #0c0e1a 0%, #1a0f2e 100%);
  color: #94a3b8;
  padding: 56px 0 36px;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 40px;
  padding-bottom: 44px;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  flex-wrap: wrap;
}

.footer-brand {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, #818cf8, #c084fc, #f472b6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 7px;
}
.footer-brand i {
  -webkit-text-fill-color: initial;
  background: none;
  color: #f97316;
  font-size: 18px;
}

.footer-tagline {
  font-size: 14px;
  color: #475569;
  max-width: 260px;
  line-height: 1.65;
}

.footer-links {
  display: flex;
  gap: 56px;
  flex-wrap: wrap;
}

.footer-col h4 {
  font-size: 12px;
  font-weight: 700;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col a {
  font-size: 14px;
  color: #475569;
  transition: color 0.15s;
}

.footer-col a:hover { color: #94a3b8; }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 28px;
  font-size: 13px;
  flex-wrap: wrap;
  gap: 12px;
  color: #475569;
}

.footer-social {
  display: flex;
  gap: 16px;
}

.footer-social a {
  color: #475569;
  font-size: 17px;
  transition: color 0.15s;
}

.footer-social a:hover { color: #94a3b8; }

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 1100px) {
  .pricing-grid-3 { grid-template-columns: repeat(2, 1fr); max-width: 760px; }
}

@media (max-width: 900px) {
  .features-grid,
  .support-grid { grid-template-columns: 1fr 1fr; }
  .about-grid,
  .contact-wrapper { grid-template-columns: 1fr; gap: 40px; }
  .pricing-grid,
  .pricing-grid-3 { grid-template-columns: 1fr; max-width: 400px; }
  .about-visual { display: none; }
}

@media (max-width: 640px) {
  .features-grid,
  .support-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    inset: 64px 0 0;
    background: var(--white);
    padding: 24px 28px;
    gap: 20px;
    border-top: 1px solid var(--border);
    z-index: 99;
  }
  .nav-links.open .btn-nav { width: fit-content; }
  .nav-hamburger { display: block; }
  .footer-links { gap: 32px; }
}

/* ── Language selector ── */
.nav-lang-item { display: flex; align-items: center; }
#landing-lang-select {
  background: transparent;
  border: 1.5px solid rgba(99,102,241,0.25);
  color: var(--slate);
  padding: 5px 10px;
  border-radius: 20px;
  font-size: 13px;
  cursor: pointer;
  font-family: inherit;
  transition: border-color 0.15s, color 0.15s;
}
#landing-lang-select:hover { border-color: var(--primary); color: var(--navy); }
#landing-lang-select option { background: var(--white); color: var(--navy); }