:root {
  --sun: #F5A623;
  --sun-lt: rgba(245,166,35,.12);
  --solar: #0A7ABF;
  --solar-dk: #065A8F;
  --solar-lt: rgba(10,122,191,.10);
  --bg: #F8F9FB;
  --bg2: #FFFFFF;
  --surface: #EEF2F7;
  --border: rgba(10,40,80,.09);
  --text: #0D1B2A;
  --dim: #4A6070;
  --dimmer: #8A9BAA;
  --green: #2ECC71;
  --red: #E74C3C;
  --radius: 6px;
  --radius-lg: 14px;
  --shadow: 0 2px 16px rgba(10,50,100,.08);
  --shadow-lg: 0 8px 40px rgba(10,50,100,.13);
  --tr: 0.24s cubic-bezier(.4,0,.2,1);
  --font-display: 'Barlow Condensed', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --font-mono: 'Space Mono', monospace;
}

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

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  font-size: 16px;
  overflow-x: hidden;
}

/* ── META BLOCK ── */
.seo-meta {
  background: #0D1B2A;
  color: #aab8c4;
  padding: 14px 24px;
  font-family: var(--font-mono);
  font-size: 11px;
  border-bottom: 2px solid var(--sun);
}
.seo-meta strong { color: var(--sun); }
.seo-meta .meta-row { margin-bottom: 4px; }
.seo-meta .meta-row:last-child { margin-bottom: 0; }
.char-count { color: #4fd18e; margin-left: 8px; }

/* ── HERO ── */
.hero {
  background: linear-gradient(135deg, #0D1B2A 0%, #0A3A5C 55%, #065A8F 100%);
  padding: 80px 24px 72px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 70% 50%, rgba(245,166,35,.08) 0%, transparent 60%),
              radial-gradient(ellipse at 10% 80%, rgba(10,122,191,.15) 0%, transparent 50%);
  pointer-events: none;
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(10,122,191,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(10,122,191,.06) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}
.container { max-width: 1120px; margin: 0 auto; position: relative; z-index: 1; }
.container-wide { max-width: 1200px; margin: 0 auto; }

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--sun);
  margin-bottom: 20px;
}
.hero-eyebrow::before {
  content: '';
  width: 20px; height: 2px;
  background: var(--sun);
  display: block;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 6vw, 5rem);
  font-weight: 900;
  line-height: 1.0;
  letter-spacing: -.01em;
  color: #fff;
  max-width: 780px;
  margin-bottom: 18px;
  text-transform: uppercase;
}
.hero h1 .accent { color: var(--sun); }
.hero h1 .accent2 { color: #7ecfff; }

.hero-sub {
  font-size: 1.1rem;
  color: rgba(255,255,255,.72);
  max-width: 580px;
  margin-bottom: 36px;
  font-weight: 300;
  line-height: 1.7;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 40px;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: 40px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .05em;
  text-transform: uppercase;
  border: 1px solid rgba(255,255,255,.15);
  color: rgba(255,255,255,.85);
  background: rgba(255,255,255,.06);
  backdrop-filter: blur(8px);
}
.badge.highlight {
  background: var(--sun);
  color: #0D1B2A;
  border-color: var(--sun);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(255,255,255,.1);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.12);
  margin-top: 20px;
}
.stat-cell {
  background: rgba(255,255,255,.04);
  padding: 18px 16px;
  text-align: center;
}
.stat-num {
  font-family: var(--font-display);
  font-size: 1.9rem;
  font-weight: 900;
  color: var(--sun);
  display: block;
  line-height: 1;
  margin-bottom: 4px;
}
.stat-lbl {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: rgba(255,255,255,.5);
}

/* ── SECTION SHELL ── */
section { padding: 72px 24px; }
.section-divider { border: none; border-top: 1px solid var(--border); margin: 0; }

.section-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--solar);
  margin-bottom: 10px;
  display: block;
}

h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.9rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -.01em;
  text-transform: uppercase;
  color: var(--text);
  margin-bottom: 16px;
}
h2 .ac { color: var(--solar); }
h2 .ac2 { color: var(--sun); }

p { color: var(--dim); font-weight: 300; margin-bottom: 14px; }
p strong { color: var(--text); font-weight: 600; }
p:last-child { margin-bottom: 0; }

/* ── FEATURE GRID ── */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-top: 36px;
}
.feat-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 26px 22px;
  transition: var(--tr);
  border-top: 3px solid transparent;
}
.feat-card:hover {
  border-top-color: var(--solar);
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}
.feat-icon {
  font-size: 1.8rem;
  margin-bottom: 12px;
  display: block;
}
.feat-card h4 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--text);
  margin-bottom: 6px;
}
.feat-card p { font-size: 13.5px; margin: 0; }

/* ── TWO-COL ── */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}
@media(max-width: 720px) { .two-col { grid-template-columns: 1fr; gap: 32px; } }

/* ── SPEC TABLE ── */
.spec-table {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-top: 24px;
}
.spec-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 13px 20px;
  border-bottom: 1px solid var(--border);
  font-size: 13.5px;
}
.spec-row:last-child { border-bottom: none; }
.spec-row:nth-child(even) { background: rgba(10,122,191,.03); }
.spec-key {
  color: var(--dimmer);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
}
.spec-val {
  color: var(--text);
  font-weight: 500;
  text-align: right;
}
.spec-val.good { color: var(--green); font-weight: 600; }
.spec-val.blue { color: var(--solar); font-weight: 600; }

/* ── CALLOUT ── */
.callout {
  display: flex;
  gap: 16px;
  background: var(--solar-lt);
  border: 1px solid rgba(10,122,191,.18);
  border-left: 4px solid var(--solar);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin-top: 24px;
  align-items: flex-start;
}
.callout-icon { font-size: 1.4rem; flex-shrink: 0; margin-top: 2px; }
.callout h4 {
  font-family: var(--font-display);
  font-size: .95rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--text);
  margin-bottom: 5px;
}
.callout p { font-size: 13.5px; margin: 0; }

.callout.amber {
  background: var(--sun-lt);
  border-color: rgba(245,166,35,.2);
  border-left-color: var(--sun);
}

/* ── LENGTHS GRID ── */
.lengths-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
  margin-top: 32px;
}
.length-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 14px;
  text-align: center;
  transition: var(--tr);
  cursor: pointer;
}
.length-card:hover, .length-card.active {
  border-color: var(--solar);
  background: var(--solar-lt);
}
.length-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 900;
  color: var(--solar);
  display: block;
  line-height: 1;
}
.length-unit {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--dimmer);
}

/* ── APPLICATIONS ── */
.app-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-top: 36px;
}
.app-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  transition: var(--tr);
}
.app-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.app-icon { font-size: 2rem; margin-bottom: 10px; display: block; }
.app-card h4 {
  font-family: var(--font-display);
  font-size: .9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text);
  margin-bottom: 6px;
}
.app-card p { font-size: 13px; margin: 0; }

/* ── WHY SECTION ── */
.why-list { list-style: none; margin-top: 28px; padding: 0; }
.why-list li {
  display: flex;
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
  align-items: flex-start;
}
.why-list li:last-child { border-bottom: none; }
.why-num {
  width: 32px; height: 32px;
  background: var(--text);
  color: var(--sun);
  font-family: var(--font-display);
  font-weight: 900;
  font-size: .85rem;
  display: flex; align-items: center; justify-content: center;
  border-radius: 4px;
  flex-shrink: 0;
}
.why-body h4 {
  font-weight: 600;
  font-size: 14.5px;
  color: var(--text);
  margin-bottom: 3px;
}
.why-body p { font-size: 13.5px; margin: 0; }

/* ── COMPARISON TABLE ── */
.compare-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  margin-top: 28px;
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
  min-width: 540px;
}
thead th {
  background: var(--text);
  color: rgba(255,255,255,.7);
  padding: 13px 16px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .12em;
  text-transform: uppercase;
  border-bottom: 2px solid var(--solar);
}
thead th:first-child { color: var(--sun); }
tbody td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  color: var(--dim);
  vertical-align: middle;
}
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover td { background: rgba(10,122,191,.04); }
tbody td:first-child { color: var(--text); font-weight: 500; }
.td-yes { color: var(--green); font-weight: 700; }
.td-no { color: var(--dimmer); }
.td-hi { color: var(--solar); font-weight: 700; font-family: var(--font-mono); font-size: 12px; }

/* ── BODY TEXT SECTIONS ── */
.body-section { background: var(--bg2); }
.body-section.alt { background: var(--bg); }

.prose { max-width: 760px; }
.prose h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--text);
  margin: 28px 0 10px;
}
.prose h3:first-child { margin-top: 0; }
.prose p { margin-bottom: 16px; line-height: 1.75; }
.prose ul {
  padding-left: 20px;
  margin-bottom: 16px;
  color: var(--dim);
  font-weight: 300;
}
.prose ul li { margin-bottom: 6px; }
.prose ul li strong { color: var(--text); font-weight: 600; }

/* ── KEYWORD CHIPS ── */
.kw-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}
.kw-chip {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .08em;
  padding: 5px 10px;
  border-radius: 4px;
  background: var(--solar-lt);
  color: var(--solar-dk);
  border: 1px solid rgba(10,122,191,.2);
}

/* ── CTA BAND ── */
.cta-band {
  background: linear-gradient(135deg, #0D1B2A 0%, #0A3A5C 100%);
  padding: 64px 24px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 50%, rgba(245,166,35,.07) 0%, transparent 65%);
  pointer-events: none;
}
.cta-band h2 { color: #fff; margin-bottom: 14px; }
.cta-band p { color: rgba(255,255,255,.65); max-width: 560px; margin: 0 auto 32px; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  transition: var(--tr);
  cursor: pointer;
  border: none;
  font-family: var(--font-body);
}
.btn-primary {
  background: var(--sun);
  color: #0D1B2A;
}
.btn-primary:hover { background: #f0b84a; transform: translateY(-1px); }
.btn-outline {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255,255,255,.25);
  margin-left: 12px;
}
.btn-outline:hover { background: rgba(255,255,255,.08); }

/* ── RESPONSIVE ── */
@media(max-width: 768px) {
  .hero h1 { font-size: 2.4rem; }
  .hero-stats { grid-template-columns: 1fr 1fr; }
  section { padding: 52px 20px; }
}
@media(max-width: 480px) {
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .lengths-grid { grid-template-columns: repeat(3, 1fr); }
}

/* ── FADE-IN ANIMATION ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
.hero-eyebrow { animation: fadeUp .4s ease both .05s; }
.hero h1 { animation: fadeUp .5s ease both .15s; }
.hero-sub { animation: fadeUp .5s ease both .25s; }
.hero-badges { animation: fadeUp .5s ease both .32s; }
.hero-stats { animation: fadeUp .5s ease both .4s; }