:root {
  --primary: #00AEEF;
  --primary-dark: #0088ba;
  --dark: #0d1117;
  --dark-2: #111827;
  --text: #1f2937;
  --muted: #6b7280;
  --light: #f8fafc;
  --white: #ffffff;
  --border: #e5e7eb;
  --shadow: 0 20px 50px rgba(2, 12, 27, 0.12);
  --radius: 20px;
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { width: min(var(--container), calc(100% - 32px)); margin: 0 auto; }
.section { padding: 88px 0; }
.section-sm { padding: 64px 0; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(0,174,239,0.1);
  color: var(--primary-dark);
  font-size: 0.9rem;
  font-weight: 700;
}
.h1, h1 { font-size: clamp(2.3rem, 5vw, 4.5rem); line-height: 1.05; letter-spacing: -0.04em; margin: 18px 0; }
.h2, h2 { font-size: clamp(1.8rem, 3vw, 3rem); line-height: 1.1; letter-spacing: -0.03em; margin: 18px 0; }
.h3, h3 { font-size: clamp(1.1rem, 2vw, 1.45rem); margin: 0 0 12px; }
p { margin: 0 0 16px; color: var(--muted); }
.lead { font-size: 1.1rem; max-width: 720px; }
.center { text-align: center; }
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.btn-group { display: flex; gap: 14px; flex-wrap: wrap; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 52px;
  padding: 0 24px;
  border-radius: 999px;
  font-weight: 700;
  transition: all 0.25s ease;
  border: 1px solid transparent;
}
.btn-primary { background: var(--primary); color: var(--white); box-shadow: 0 10px 30px rgba(0,174,239,0.25); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); }
.btn-outline { border-color: rgba(255,255,255,0.28); color: var(--white); }
.btn-outline:hover { border-color: var(--white); background: rgba(255,255,255,0.08); }
.btn-dark { background: var(--dark); color: var(--white); }
.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
}
.card.soft { box-shadow: none; background: #f8fbfd; }
.badge {
  display: inline-block;
  font-size: .82rem;
  font-weight: 700;
  color: var(--primary-dark);
  background: rgba(0,174,239,0.08);
  padding: 7px 12px;
  border-radius: 999px;
}
.nav-wrap {
  position: sticky;
  top: 0;
  z-index: 999;
  background: rgba(8, 12, 18, 0.78);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  box-shadow: 0 14px 40px rgba(0,0,0,0.18);
}
.nav {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  min-height: 82px;
  gap: 18px;
}
.logo {
  display: inline-flex;
  align-items: center;
}
.logo img { height: 42px; }
.menu {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  color: rgba(255,255,255,0.88);
  font-weight: 600;
}
.menu a {
  position: relative;
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
  opacity: .92;
}
.menu a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 100%;
  height: 2px;
  background: var(--primary);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform .25s ease;
}
.menu a:hover { color: var(--white); opacity: 1; }
.menu a:hover::after,
.menu a.active::after { transform: scaleX(1); }
.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}
.btn-nav {
  min-height: 44px;
  padding: 0 18px;
  border-radius: 999px;
  font-size: 12px;
  letter-spacing: .06em;
  text-transform: uppercase;
  font-weight: 800;
}
.btn-whats {
  background: rgba(37,211,102,0.14);
  border: 1px solid rgba(37,211,102,0.42);
  color: #d8ffe7;
}
.btn-whats:hover {
  background: rgba(37,211,102,0.22);
  transform: translateY(-2px);
}
.menu-toggle {
  display: none;
  background: transparent;
  border: none;
  color: var(--white);
  font-size: 1.8rem;
}
.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at top right, rgba(0,174,239,0.24), transparent 30%),
    radial-gradient(circle at left center, rgba(255,255,255,0.08), transparent 22%),
    linear-gradient(135deg, #090c12 0%, #111827 60%, #08121c 100%);
  color: var(--white);
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,0.9), transparent 85%);
  pointer-events: none;
}
.hero .container { position: relative; z-index: 2; }
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 40px; align-items: center; min-height: calc(100vh - 82px); padding: 72px 0; }
.hero-copy p { color: rgba(255,255,255,0.82); }
.hero-panel {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 32px;
  padding: 28px;
  box-shadow: 0 24px 80px rgba(0,0,0,0.35);
}
.hero-panel .stats { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 16px; margin-top: 18px; }
.stat {
  padding: 18px;
  border-radius: 20px;
  background: rgba(255,255,255,0.08);
}
.stat strong { display: block; font-size: 1.45rem; color: var(--white); }
.hero-bubbles { display: grid; gap: 16px; margin-top: 26px; }
.bubble {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  padding: 16px 18px;
  border-radius: 18px;
}
.icon-box {
  width: 54px; height: 54px; border-radius: 18px;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 1.45rem; background: rgba(0,174,239,0.12); color: var(--primary);
}
.section-dark {
  background: var(--dark);
  color: var(--white);
}
.section-dark p,
.section-dark li { color: rgba(255,255,255,0.78); }
.kpi {
  padding: 26px;
  border-radius: 22px;
  background: linear-gradient(180deg, #f8fbfd 0%, #eff8fc 100%);
  border: 1px solid rgba(0,174,239,0.14);
}
.kpi strong { display: block; color: var(--dark); font-size: 2rem; margin-bottom: 6px; }
.pillars .card { position: relative; overflow: hidden; }
.pillars .card::before {
  content: "";
  position: absolute;
  right: -40px;
  top: -40px;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: rgba(0,174,239,0.08);
}
.cta-banner {
  background: linear-gradient(135deg, #00AEEF 0%, #0d1117 100%);
  border-radius: 32px;
  padding: 42px;
  color: var(--white);
  box-shadow: var(--shadow);
}
.feature-list, .list-clean { list-style: none; padding: 0; margin: 0; }
.feature-list li, .list-clean li {
  position: relative;
  padding-left: 28px;
  margin-bottom: 14px;
}
.feature-list li::before, .list-clean li::before {
  content: "✔";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--primary);
  font-weight: 700;
}
.pricing .card { height: 100%; }
.pricing .price { font-size: 2.2rem; color: var(--dark); font-weight: 800; }
.timeline {
  position: relative;
  padding-left: 26px;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: rgba(0,174,239,0.3);
}
.timeline-item { position: relative; padding-bottom: 24px; }
.timeline-item::before {
  content: "";
  position: absolute;
  left: -26px;
  top: 6px;
  width: 16px; height: 16px; border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 0 4px rgba(0,174,239,0.18);
}
.table-scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 14px 16px; border-bottom: 1px solid var(--border); }
th { color: var(--dark); }
.form-grid { display: grid; gap: 16px; }
input, textarea, select {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px 16px;
  font: inherit;
}
textarea { min-height: 140px; resize: vertical; }
.footer {
  padding: 40px 0 24px;
  background: #06080c;
  color: rgba(255,255,255,0.76);
}
.footer-top {
  display: grid;
  grid-template-columns: 1.2fr .8fr .8fr .8fr;
  gap: 24px;
  padding-bottom: 28px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer h4 { color: var(--white); margin: 0 0 12px; }
.footer ul { list-style: none; padding: 0; margin: 0; }
.footer li { margin-bottom: 10px; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-top: 20px; flex-wrap: wrap; }
.page-hero {
  padding: 90px 0 70px;
  background: linear-gradient(180deg, #0d1117 0%, #111827 100%);
  color: var(--white);
}
.page-hero p { color: rgba(255,255,255,0.82); }
.content-block { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: center; }
.highlight-box {
  border-left: 5px solid var(--primary);
  padding: 20px 22px;
  border-radius: 18px;
  background: #f4fbfe;
}
.article-card { display: flex; flex-direction: column; gap: 10px; }
.article-card time { color: var(--muted); font-size: .92rem; }
.notice {
  padding: 18px 20px;
  border-radius: 18px;
  background: rgba(0,174,239,0.08);
  border: 1px solid rgba(0,174,239,0.12);
}
@media (max-width: 980px) {
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-3, .grid-2, .content-block, .hero-grid, .footer-top { grid-template-columns: 1fr; }
  .menu {
    display: none;
    position: absolute;
    top: 82px;
    left: 16px;
    right: 16px;
    background: rgba(13,17,23,0.98);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 20px;
    padding: 18px;
    flex-direction: column;
    align-items: flex-start;
  }
  .menu.open { display: flex; }
  .menu-toggle { display: block; }
}
@media (max-width: 640px) {
  .section { padding: 72px 0; }
  .card, .cta-banner { padding: 22px; }
  .grid-4 { grid-template-columns: 1fr; }
  .hero-panel .stats { grid-template-columns: 1fr; }
}


@media (max-width: 1100px) {
  .nav {
    grid-template-columns: auto auto;
    justify-content: space-between;
  }
  .menu-toggle { display: inline-flex; justify-self: end; }
  .menu {
    display: none;
    position: absolute;
    left: 16px;
    right: 16px;
    top: 84px;
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    padding: 20px;
    background: rgba(8,12,18,0.96);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
  }
  .menu.open { display: flex; }
  .menu a::after { bottom: -4px; }
  .nav-actions {
    display: none;
  }
}


/* ===== FINAL HEADER PREMIUM 2-SECTIONS ===== */
.nav-wrap {
  position: sticky;
  top: 0;
  z-index: 999;
  background: rgba(8, 12, 18, 0.82);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  box-shadow: 0 14px 40px rgba(0,0,0,0.18);
}
.topbar {
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.topbar-inner {
  min-height: 46px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.topbar-links,
.topbar-actions {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}
.topbar a, .topbar span {
  color: rgba(255,255,255,0.76);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.topbar a:hover { color: var(--white); }
.topbar .accent-link { color: #d8ffe7; }
.nav {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  min-height: 86px;
  gap: 18px;
}
.logo img { height: 44px; }
.menu {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  color: rgba(255,255,255,0.88);
  font-weight: 600;
}
.menu a {
  position: relative;
  font-size: 11px;
  letter-spacing: .09em;
  text-transform: uppercase;
  opacity: .92;
}
.menu a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 100%;
  height: 2px;
  background: var(--primary);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform .25s ease;
}
.menu a:hover,
.menu a.active { color: var(--white); opacity: 1; }
.menu a:hover::after,
.menu a.active::after { transform: scaleX(1); }
.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}
.btn-nav {
  min-height: 44px;
  padding: 0 18px;
  border-radius: 999px;
  font-size: 11px;
  letter-spacing: .06em;
  text-transform: uppercase;
  font-weight: 800;
}
.btn-whats {
  background: rgba(37,211,102,0.14);
  border: 1px solid rgba(37,211,102,0.42);
  color: #d8ffe7;
}
.btn-whats:hover { background: rgba(37,211,102,0.22); transform: translateY(-2px); }
.menu-toggle {
  display: none;
  background: transparent;
  border: none;
  color: var(--white);
  font-size: 1.8rem;
}
.hero-grid-final {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 48px;
  align-items: center;
  min-height: calc(100vh - 128px);
  padding: 72px 0;
}
.hero-portrait {
  position: relative;
  min-height: 560px;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}
.hero-portrait::before {
  content: "";
  position: absolute;
  width: 78%;
  height: 78%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,.18) 0%, rgba(0,174,239,.22) 42%, rgba(255,255,255,0) 72%);
  filter: blur(4px);
}
.hero-portrait img {
  position: relative;
  z-index: 2;
  max-height: 640px;
  width: auto;
  filter: drop-shadow(0 28px 60px rgba(0,0,0,.45));
}
.author-strip {
  display: grid;
  grid-template-columns: .95fr 1.05fr;
  gap: 38px;
  align-items: center;
}
.author-card {
  background: linear-gradient(180deg, #f8fbfd 0%, #eef7fb 100%);
  border: 1px solid rgba(0,174,239,0.12);
  border-radius: 28px;
  padding: 28px;
}
.book-showcase {
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: 40px;
  align-items: center;
}
.book-frame {
  background: linear-gradient(180deg, #0d1117 0%, #111827 100%);
  border-radius: 32px;
  padding: 26px;
  box-shadow: 0 28px 70px rgba(2, 12, 27, 0.22);
}
.book-frame img {
  max-width: 360px;
  margin: 0 auto;
  filter: drop-shadow(0 24px 40px rgba(0,0,0,.35));
}
.quote-box {
  padding: 22px 24px;
  border-left: 5px solid var(--primary);
  border-radius: 20px;
  background: #f4fbfe;
  margin-top: 20px;
}
@media (max-width: 1100px) {
  .nav {
    grid-template-columns: auto auto;
    justify-content: space-between;
  }
  .menu-toggle { display: inline-flex; justify-self: end; }
  .menu {
    display: none;
    position: absolute;
    left: 16px;
    right: 16px;
    top: 132px;
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    padding: 20px;
    background: rgba(8,12,18,0.98);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
  }
  .menu.open { display: flex; }
  .menu a::after { bottom: -4px; }
  .nav-actions { display: none; }
  .hero-grid-final,
  .author-strip,
  .book-showcase { grid-template-columns: 1fr; }
  .hero-portrait { min-height: auto; order: -1; }
  .hero-portrait img { max-height: 520px; }
}
@media (max-width: 760px) {
  .topbar-inner,
  .topbar-links,
  .topbar-actions { gap: 10px; }
  .topbar-inner { min-height: 54px; flex-direction: column; justify-content: center; padding: 8px 0; }
  .topbar-links { justify-content: center; }
  .topbar-actions { display: none; }
}