/* =========================================================
   Arariel landing — arariel.heliolink.net
   HelioLink Technologies, LLC
   Dark theme, brand blue #2D6FBC, no framework, no build step.
   ========================================================= */

/* ---------- Reset & base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
               "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: #E3EAF2;
  background: #0A0E14;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; height: auto; display: block; }
a { color: #4A9EFF; text-decoration: none; }
a:hover { color: #6FB4FF; text-decoration: underline; }

h1, h2, h3, h4 {
  font-family: Cambria, Georgia, "Times New Roman", serif;
  font-weight: 600;
  line-height: 1.25;
  color: #F4F7FA;
  margin: 0 0 .5em;
}
h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.7rem, 3.5vw, 2.4rem); letter-spacing: -0.01em; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1rem; }

p { margin: 0 0 1rem; color: #C3D1E0; }
em { color: #E3EAF2; font-style: italic; }
strong { color: #F4F7FA; }
code {
  font-family: Consolas, "Cascadia Mono", Menlo, Monaco, monospace;
  font-size: .92em;
  background: rgba(74, 158, 255, 0.10);
  padding: 0 .35em;
  border-radius: 3px;
  color: #B8D4FF;
}

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

.muted { color: #7E92AB; font-size: .9rem; }

/* ---------- Nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 32px;
  background: rgba(10, 14, 20, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(74, 158, 255, 0.10);
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: Cambria, Georgia, serif;
  font-size: 1.35rem;
  font-weight: 600;
  color: #F4F7FA;
  text-decoration: none;
}
.logo:hover { text-decoration: none; }
.brand-mark {
  color: #4A9EFF;
  font-size: 1.5rem;
  line-height: 1;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-links a {
  color: #C3D1E0;
  font-size: .95rem;
  text-decoration: none;
  transition: color .15s ease;
}
.nav-links a:hover { color: #FFFFFF; }
.nav-cta {
  background: #2D6FBC;
  color: #FFFFFF !important;
  padding: 8px 16px;
  border-radius: 6px;
  font-weight: 500;
}
.nav-cta:hover {
  background: #3A82D6;
  text-decoration: none;
}

@media (max-width: 720px) {
  .nav { padding: 12px 16px; }
  .nav-links { gap: 14px; }
  .nav-links a:not(.nav-cta) { display: none; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 80px 24px 60px;
  background:
    radial-gradient(ellipse at 70% 30%, rgba(74, 158, 255, 0.12), transparent 60%),
    radial-gradient(ellipse at 20% 80%, rgba(45, 111, 188, 0.10), transparent 60%),
    #0A0E14;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(74, 158, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(74, 158, 255, 0.04) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}
.hero-inner {
  position: relative;
  max-width: 1180px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 64px;
  align-items: center;
}
.kicker {
  display: inline-block;
  font-family: Consolas, monospace;
  font-size: .82rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: #7DB8FF;
  padding: 5px 12px;
  border: 1px solid rgba(74, 158, 255, 0.30);
  border-radius: 999px;
  margin-bottom: 24px;
  background: rgba(74, 158, 255, 0.06);
}
.hero h1 { margin-bottom: 16px; }
.lede {
  font-size: 1.15rem;
  color: #C3D1E0;
  max-width: 560px;
  margin-bottom: 28px;
}
.hero-cta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 8px;
  font-size: .98rem;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: all .15s ease;
  text-decoration: none !important;
}
.btn-primary {
  background: #2D6FBC;
  color: #FFFFFF;
  box-shadow: 0 4px 16px rgba(45, 111, 188, 0.35);
}
.btn-primary:hover {
  background: #3A82D6;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(45, 111, 188, 0.45);
}
.btn-ghost {
  background: transparent;
  color: #C3D1E0;
  border: 1px solid rgba(195, 209, 224, 0.30);
}
.btn-ghost:hover {
  background: rgba(74, 158, 255, 0.08);
  border-color: rgba(74, 158, 255, 0.50);
  color: #FFFFFF;
}
.btn-large {
  padding: 16px 32px;
  font-size: 1.05rem;
}

.hero-bullets {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
}
.hero-bullets li {
  color: #9BB0C5;
  font-size: .9rem;
}
.hero-bullets strong {
  display: block;
  font-size: 1.4rem;
  color: #4A9EFF;
  font-family: Cambria, Georgia, serif;
  font-weight: 600;
}

.hero-figure {
  margin: 0;
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(74, 158, 255, 0.20);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}
.hero-figure img {
  width: 100%;
  display: block;
}
.hero-figure figcaption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  background: linear-gradient(to top, rgba(10, 14, 20, 0.90), transparent);
  color: #C3D1E0;
  padding: 36px 16px 14px;
  font-size: .85rem;
  font-family: Consolas, monospace;
}
.img-placeholder {
  aspect-ratio: 1 / 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #141B26, #0F141C);
  color: #4A9EFF;
  font-family: Cambria, serif;
}
.img-placeholder span { font-size: 4rem; margin-bottom: 12px; }
.img-placeholder p { color: #9BB0C5; text-align: center; font-size: .95rem; }
.img-placeholder code { font-size: .8rem; }

@media (max-width: 920px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero { padding: 50px 24px 40px; }
}

/* ---------- Sections ---------- */
.section { padding: 90px 24px; }
.section-alt { background: #0F141C; }
.section-demo { background: linear-gradient(180deg, #0A0E14 0%, #0C111A 100%); }
.section-contact { background: linear-gradient(180deg, #0F141C 0%, #0A0E14 100%); }

.section-head { margin-bottom: 48px; }
.section-head-centered { text-align: center; }
.section-num {
  display: inline-block;
  font-family: Consolas, monospace;
  font-size: .85rem;
  letter-spacing: .12em;
  color: #4A9EFF;
  margin-bottom: 12px;
}
.section-sub {
  font-size: 1.05rem;
  max-width: 760px;
  color: #9BB0C5;
}

/* ---------- "What it does" ---------- */
.two-col {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 56px;
}
.callout {
  border-left: 3px solid #4A9EFF;
  padding: 14px 20px;
  background: rgba(74, 158, 255, 0.06);
  color: #E3EAF2;
  font-size: 1.05rem;
  border-radius: 0 6px 6px 0;
}
.who-needs {
  background: #141B26;
  border-radius: 10px;
  padding: 28px;
  border: 1px solid rgba(74, 158, 255, 0.12);
}
.audience-list { margin: 0; }
.audience-list dt {
  font-weight: 600;
  color: #F4F7FA;
  margin-top: 14px;
  font-size: .98rem;
}
.audience-list dt:first-child { margin-top: 0; }
.audience-list dd {
  margin: 4px 0 0;
  color: #9BB0C5;
  font-size: .92rem;
}

@media (max-width: 820px) {
  .two-col { grid-template-columns: 1fr; gap: 32px; }
}

/* ---------- How it works (steps) ---------- */
.steps {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  counter-reset: step;
}
.steps li {
  background: #141B26;
  border: 1px solid rgba(74, 158, 255, 0.12);
  border-radius: 12px;
  padding: 28px 24px;
  position: relative;
  transition: border-color .2s ease, transform .2s ease;
}
.steps li:hover {
  border-color: rgba(74, 158, 255, 0.40);
  transform: translateY(-3px);
}
.step-num {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, #2D6FBC, #4A9EFF);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: Cambria, serif;
  font-weight: 600;
  font-size: 1.1rem;
  margin-bottom: 16px;
}
.steps h3 { margin-bottom: 10px; color: #F4F7FA; }
.steps p { font-size: .92rem; color: #9BB0C5; margin: 0; }

@media (max-width: 980px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px) { .steps { grid-template-columns: 1fr; } }

/* ---------- Demo cards ---------- */
.demo-card {
  background: #141B26;
  border: 1px solid rgba(74, 158, 255, 0.12);
  border-radius: 12px;
  padding: 32px;
  margin-bottom: 28px;
}
.demo-card h3 {
  font-size: 1.4rem;
  margin-bottom: 6px;
}
.demo-card-sub {
  color: #9BB0C5;
  margin-bottom: 22px;
  font-size: .95rem;
}
.chart-wrap {
  position: relative;
  background: #0A0E14;
  border-radius: 8px;
  padding: 16px;
  border: 1px solid rgba(74, 158, 255, 0.10);
}
.chart-legend {
  margin-top: 14px;
  font-size: .85rem;
  color: #9BB0C5;
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  align-items: center;
}
.chart-legend .dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  margin-right: 6px;
  vertical-align: middle;
}
.dot-line     { background: #6FA8DC; }
.dot-high     { background: #4A9EFF; }
.dot-low      { background: #F0B756; }
.dot-shortage { background: #E74C3C; }

/* ---------- Table ---------- */
.table-wrap {
  overflow-x: auto;
  border-radius: 8px;
  border: 1px solid rgba(74, 158, 255, 0.10);
  background: #0A0E14;
}
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .92rem;
}
.data-table th,
.data-table td {
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid rgba(74, 158, 255, 0.08);
}
.data-table th {
  background: #141B26;
  color: #F4F7FA;
  font-weight: 600;
  font-size: .85rem;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.data-table td {
  color: #C3D1E0;
  font-variant-numeric: tabular-nums;
}
.data-table tbody tr:hover {
  background: rgba(74, 158, 255, 0.04);
}

/* ---------- Forecast ---------- */
.forecast-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}
.forecast-card {
  background: #0A0E14;
  border: 1px solid rgba(74, 158, 255, 0.20);
  border-radius: 10px;
  padding: 20px;
  text-align: center;
}
.forecast-label {
  font-size: .82rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: #7DB8FF;
  margin-bottom: 8px;
}
.forecast-number {
  font-family: Cambria, Georgia, serif;
  font-size: 2.1rem;
  font-weight: 600;
  color: #F4F7FA;
}
.forecast-ci {
  font-size: .88rem;
  color: #9BB0C5;
  margin-top: 4px;
}

.methodology {
  margin-top: 22px;
  background: rgba(74, 158, 255, 0.04);
  border: 1px solid rgba(74, 158, 255, 0.12);
  border-radius: 8px;
  padding: 16px 20px;
}
.methodology summary {
  cursor: pointer;
  font-weight: 600;
  color: #F4F7FA;
  user-select: none;
}
.methodology ol { color: #C3D1E0; padding-left: 22px; }
.methodology li { margin-bottom: 8px; }

@media (max-width: 680px) {
  .forecast-grid { grid-template-columns: 1fr; }
}

/* ---------- Downloads ---------- */
.download-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.download-card {
  display: block;
  background: #141B26;
  border: 1px solid rgba(74, 158, 255, 0.12);
  border-radius: 12px;
  padding: 26px;
  text-decoration: none !important;
  color: inherit;
  transition: all .15s ease;
}
.download-card:hover {
  border-color: rgba(74, 158, 255, 0.50);
  background: #18212F;
  transform: translateY(-2px);
}
.dl-icon { font-size: 2rem; margin-bottom: 12px; }
.dl-title {
  font-family: Cambria, serif;
  font-size: 1.15rem;
  font-weight: 600;
  color: #F4F7FA;
  margin-bottom: 8px;
}
.dl-desc {
  font-size: .92rem;
  color: #9BB0C5;
  margin-bottom: 14px;
  line-height: 1.5;
}
.dl-meta {
  font-family: Consolas, monospace;
  font-size: .78rem;
  color: #7DB8FF;
  text-transform: uppercase;
  letter-spacing: .06em;
}

@media (max-width: 920px) { .download-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 580px) { .download-grid { grid-template-columns: 1fr; } }

/* ---------- References ---------- */
.ref-list {
  padding-left: 22px;
  max-width: 900px;
}
.ref-list li {
  color: #C3D1E0;
  margin-bottom: 14px;
  font-size: .95rem;
  line-height: 1.6;
}

/* ---------- Capability grid ---------- */
.capability-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.cap {
  background: #141B26;
  border: 1px solid rgba(74, 158, 255, 0.12);
  border-radius: 10px;
  padding: 26px;
  transition: border-color .15s ease;
}
.cap:hover { border-color: rgba(74, 158, 255, 0.30); }
.cap-icon {
  font-size: 1.8rem;
  margin-bottom: 14px;
}
.cap h3 { color: #F4F7FA; margin-bottom: 8px; }
.cap p { font-size: .92rem; color: #9BB0C5; margin: 0; }

@media (max-width: 920px) { .capability-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px) { .capability-grid { grid-template-columns: 1fr; } }

/* ---------- Pricing ---------- */
.pricing-card {
  max-width: 620px;
  margin: 0 auto;
  background: linear-gradient(135deg, #141B26 0%, #0F1622 100%);
  border: 1px solid rgba(74, 158, 255, 0.30);
  border-radius: 16px;
  padding: 44px 40px;
  text-align: center;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}
.pricing-tier {
  font-family: Consolas, monospace;
  font-size: .85rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: #7DB8FF;
  margin-bottom: 12px;
}
.pricing-amount {
  font-family: Cambria, serif;
  font-size: 1.3rem;
  color: #C3D1E0;
  margin-bottom: 24px;
}
.pricing-amount strong {
  font-size: 3rem;
  color: #4A9EFF;
  font-weight: 600;
  display: inline-block;
  margin: 0 8px;
}
.pricing-includes {
  list-style: none;
  padding: 0;
  margin: 0 auto 28px;
  max-width: 440px;
  text-align: left;
}
.pricing-includes li {
  color: #C3D1E0;
  padding: 8px 0 8px 28px;
  font-size: .95rem;
  position: relative;
}
.pricing-includes li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: #4A9EFF;
  font-weight: 700;
}
.pricing-fine {
  margin-top: 18px;
  font-size: .82rem;
  color: #7E92AB;
}

/* ---------- Footer ---------- */
.footer {
  background: #050810;
  border-top: 1px solid rgba(74, 158, 255, 0.10);
  padding: 50px 24px 30px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 40px;
  margin: 0 auto;
}
.footer-col h4 {
  color: #F4F7FA;
  font-size: .9rem;
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: .08em;
  font-family: -apple-system, sans-serif;
}
.footer-col p, .footer-col a {
  font-size: .9rem;
  margin: 4px 0;
  display: block;
}
.footer-col a { color: #C3D1E0; text-decoration: none; }
.footer-col a:hover { color: #4A9EFF; }

@media (max-width: 820px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 540px) {
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
}

/* SVG brand mark — sized to match adjacent text */
svg.brand-mark {
  width: 1.7rem;
  height: 1.7rem;
  vertical-align: middle;
  flex-shrink: 0;
  color: #4A9EFF;
  filter: drop-shadow(0 0 6px rgba(74, 158, 255, 0.45));
}
.footer svg.brand-mark { width: 1.5rem; height: 1.5rem; }