/* GrandLine Architecture Intelligence — marketing (dark theme)
 * Palette (matches the GrandLine logo: cyan-blue wire cube + spark on deep black)
 *   bg:       #05070A   surface:  #0A0E14   surface-2:#101722
 *   ink:      #E6EEF8   dim:      #9AA8BF   mute:    #63738C
 *   brand:    #1FA9FF   brand-2:  #1470C8   brand-glow: #5EC6FF
 *   aws:      #FF9900   azure:    #0078D4   gcp:      #EA4335
 *   success:  #22C39F   warning:  #F2B33C   danger:   #EF5B5B
 */

:root {
  --bg: #05070A;
  --surface: #0A0E14;
  --surface-2: #101722;
  --surface-3: #17202E;
  --border: #1C2738;
  --ink: #E6EEF8;
  --dim: #9AA8BF;
  --mute: #63738C;
  --brand: #1FA9FF;
  --brand-2: #1470C8;
  --brand-glow: #5EC6FF;
  --aws: #FF9900;
  --azure: #0078D4;
  --gcp-red: #EA4335;
  --gcp-blue: #4285F4;
  --gcp-green: #34A853;
  --gcp-yellow: #FBBC05;
  --success: #22C39F;
  --warning: #F2B33C;
  --danger: #EF5B5B;
  --radius: 12px;
  --radius-lg: 16px;
  --shadow: 0 10px 30px rgba(0,0,0,0.35);
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--ink); font-family: var(--font); line-height: 1.5; -webkit-font-smoothing: antialiased; }
a { color: var(--ink); text-decoration: none; }
a:hover { color: #fff; }
img, svg { max-width: 100%; display: block; }

/* Background glow — cool cyan wash echoing the logo comet trail */
body { background:
  radial-gradient(1200px 600px at 80% -10%, rgba(31,169,255,0.18), transparent 60%),
  radial-gradient(900px 500px at -10% 10%, rgba(20,112,200,0.18), transparent 60%),
  var(--bg);
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(6,7,11,0.75); backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; gap: 32px; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: -0.01em; }
.brand-mark { width: 28px; height: 28px; display: inline-block; }
.brand-mark svg { display: block; }
.brand-name { font-size: 16px; }
.brand-name em { font-style: normal; color: var(--brand); }
.nav-links { display: flex; gap: 22px; margin-left: auto; }
.nav-links a { color: var(--dim); font-size: 14px; }
.nav-links a:hover { color: var(--ink); }
.nav-cta {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 14px; border-radius: 10px;
  background: linear-gradient(180deg, var(--brand) 0%, var(--brand-2) 100%);
  color: #fff !important; font-size: 14px; font-weight: 600;
  box-shadow: 0 6px 18px rgba(31,169,255,0.4);
}
.nav-cta:hover { filter: brightness(1.08); }

/* Hero */
.hero { padding: 100px 0 60px; }
.eyebrow {
  display: inline-flex; gap: 8px; align-items: center;
  font-size: 12px; color: var(--dim); text-transform: uppercase; letter-spacing: 0.14em;
  border: 1px solid var(--border); padding: 6px 12px; border-radius: 999px; background: rgba(255,255,255,0.02);
}
.hero h1 {
  font-size: clamp(40px, 6vw, 72px); line-height: 1.05; margin: 20px 0 16px;
  letter-spacing: -0.03em; font-weight: 800;
  background: linear-gradient(180deg, #fff 0%, #cbd5e1 60%); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p.lede { color: var(--dim); font-size: 18px; max-width: 720px; }
.cta-row { display: flex; gap: 12px; margin-top: 28px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 20px; border-radius: 12px; font-weight: 600; font-size: 14px;
  border: 1px solid transparent; cursor: pointer;
}
.btn-primary { background: var(--brand); color: #fff; box-shadow: 0 10px 26px rgba(31,169,255,0.35); }
.btn-primary:hover { background: #5EC6FF; }
.btn-ghost { color: var(--ink); border-color: var(--border); background: rgba(255,255,255,0.02); }
.btn-ghost:hover { border-color: var(--mute); }

/* Provider chips */
.provider-row { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 36px; }
.chip {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 10px; border-radius: 999px;
  border: 1px solid var(--border); background: var(--surface);
  font-size: 12px; color: var(--dim);
}
.dot { width: 8px; height: 8px; border-radius: 50%; }
.dot-aws { background: var(--aws); }
.dot-azure { background: var(--azure); }
.dot-gcp { background: linear-gradient(90deg, var(--gcp-red), var(--gcp-yellow) 40%, var(--gcp-green) 70%, var(--gcp-blue)); }

/* Section */
section { padding: 80px 0; }
.section-head { max-width: 760px; margin-bottom: 36px; }
.section-head h2 {
  font-size: clamp(28px, 3.2vw, 42px); margin: 0 0 10px; letter-spacing: -0.02em;
}
.section-head p { color: var(--dim); margin: 0; font-size: 17px; }

/* Feature cards */
.grid { display: grid; gap: 18px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 900px) { .grid-3, .grid-4, .grid-2 { grid-template-columns: 1fr; } }

.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 24px; box-shadow: var(--shadow);
  transition: transform 120ms ease, border-color 120ms ease;
}
.card:hover { transform: translateY(-2px); border-color: #2b3648; }
.card h3 { margin: 10px 0 6px; font-size: 18px; letter-spacing: -0.01em; }
.card p { color: var(--dim); margin: 0; font-size: 14.5px; }
.card-icon { width: 40px; height: 40px; border-radius: 10px;
  background: linear-gradient(135deg, rgba(31,169,255,0.3), rgba(20,112,200,0.2));
  display: grid; place-items: center; color: #fff; font-weight: 700;
}

/* Provider accent cards */
.pcard { border-top: 3px solid var(--brand); }
.pcard-aws   { border-top-color: var(--aws); }
.pcard-azure { border-top-color: var(--azure); }
.pcard-gcp   { border-top-color: var(--gcp-red); }

/* Pricing */
.price-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 900px) { .price-grid { grid-template-columns: 1fr; } }
.plan {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 28px; position: relative;
}
.plan.highlight { border-color: var(--brand); box-shadow: 0 0 0 1px var(--brand), var(--shadow); }
.plan h3 { margin: 0 0 6px; font-size: 20px; }
.plan .price { font-size: 40px; font-weight: 800; letter-spacing: -0.02em; margin: 8px 0; }
.plan .price small { font-size: 14px; font-weight: 500; color: var(--dim); }
.plan ul { list-style: none; padding: 0; margin: 14px 0 22px; }
.plan li { padding: 7px 0; color: var(--dim); font-size: 14.5px; display: flex; gap: 8px; }
.plan li::before { content: "✓"; color: var(--success); font-weight: 700; }

/* Compare table */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius-lg); }
table.compare { width: 100%; border-collapse: collapse; background: var(--surface); }
.compare th, .compare td { padding: 14px 16px; text-align: left; font-size: 14px; border-bottom: 1px solid var(--border); }
.compare th { color: var(--dim); font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; font-size: 12px; }
.compare tr:last-child td { border-bottom: none; }

/* Footer */
footer { border-top: 1px solid var(--border); padding: 48px 0; margin-top: 60px; }
.footer-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr 1fr; gap: 24px; }
@media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
footer h4 { font-size: 14px; color: var(--dim); text-transform: uppercase; letter-spacing: 0.1em; margin: 0 0 10px; }
footer a { display: block; color: var(--ink); padding: 4px 0; font-size: 14px; }
.muted { color: var(--mute); font-size: 13px; }

/* Misc */
.kbd { font-family: var(--mono); background: var(--surface-2); border: 1px solid var(--border); padding: 2px 6px; border-radius: 6px; font-size: 12px; }
hr.divider { border: none; height: 1px; background: var(--border); margin: 32px 0; }
.callout { padding: 16px; border: 1px dashed var(--border); border-radius: var(--radius); background: rgba(31,169,255,0.06); color: var(--dim); font-size: 14px; }

/* Decorative diagram tile */
.diagram-tile { background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 16px; }
.diagram-tile svg { width: 100%; height: auto; }