/* =========================================================
   Modified Logic — Design System v2
   Palette: Cool Blue · Indigo · Electric Cyan
   Themes: dark (default) + light (via [data-theme="light"])
   ========================================================= */

/* ---------- Dark theme (default) ---------- */
:root {
  /* Surfaces */
  --bg-0: #07090F;
  --bg-1: #0B0E18;
  --bg-2: #11152099;        /* used with backdrop for glass feel */
  --bg-2-solid: #111520;
  --bg-3: #171B28;
  --bg-4: #1E2332;

  /* Borders */
  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-soft:   rgba(255, 255, 255, 0.10);
  --border-strong: rgba(255, 255, 255, 0.18);

  /* Text */
  --text-0: #F7F9FC;
  --text-1: #E4E8F2;
  --text-2: #A5AEC4;
  --text-3: #6B7388;
  --text-muted: #4A5063;

  /* Brand — cool blue → indigo → electric cyan */
  --blue:    #4F7CFF;
  --blue-500:#3B6BFF;
  --indigo:  #7C5CFF;
  --indigo-500:#6A46E8;
  --cyan:    #22E1FF;
  --cyan-500:#06B8DC;

  /* Support */
  --emerald: #3DDC97;
  --amber:   #FFB454;
  --red:     #FF5E74;

  /* Gradients */
  --g-brand:       linear-gradient(135deg, #3B6BFF 0%, #7C5CFF 55%, #22E1FF 100%);
  --g-brand-soft:  linear-gradient(135deg, rgba(59,107,255,0.18), rgba(124,92,255,0.18) 55%, rgba(34,225,255,0.18));
  --g-panel:       linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.01));
  --g-hero-glow:   radial-gradient(60% 60% at 20% 10%, rgba(59,107,255,0.28), transparent 70%),
                   radial-gradient(55% 55% at 85% 20%, rgba(124,92,255,0.24), transparent 70%),
                   radial-gradient(70% 70% at 60% 90%, rgba(34,225,255,0.12), transparent 70%);
  --ambient:       radial-gradient(1200px 800px at 10% -10%, rgba(59,107,255,0.08), transparent 60%),
                   radial-gradient(900px 700px at 110% 10%, rgba(124,92,255,0.08), transparent 60%),
                   radial-gradient(700px 500px at 50% 120%, rgba(34,225,255,0.06), transparent 60%);
  --grid-color:    rgba(255,255,255,0.025);
  --grid-opacity:  0.5;

  /* On-brand text (on colored btn) */
  --on-brand: #07090F;

  /* Elevation */
  --shadow-lg:   0 30px 80px -30px rgba(0,0,0,0.6), 0 10px 30px -15px rgba(0,0,0,0.5);
  --shadow-card: 0 1px 0 rgba(255,255,255,0.04) inset, 0 10px 30px -20px rgba(0,0,0,0.5);
  --shadow-btn:  0 10px 30px -10px rgba(124,92,255,0.55);
  --shadow-btn-hover: 0 16px 40px -10px rgba(59,107,255,0.55);
  --shadow-glow: 0 0 0 4px rgba(34,225,255,0.12);

  /* Header bg */
  --header-bg: rgba(7, 9, 15, 0.72);

  /* Typography */
  --font-sans: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-display: 'Space Grotesk', 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  --container: 1200px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-xl: 32px;

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);

  color-scheme: dark;
}

/* ---------- Light theme ---------- */
[data-theme="light"] {
  --bg-0: #F6F8FC;
  --bg-1: #FFFFFF;
  --bg-2: #FFFFFF;
  --bg-2-solid: #FFFFFF;
  --bg-3: #F1F5FB;
  --bg-4: #E6ECF5;

  --border-subtle: rgba(12, 20, 40, 0.06);
  --border-soft:   rgba(12, 20, 40, 0.10);
  --border-strong: rgba(12, 20, 40, 0.18);

  --text-0: #0B1020;
  --text-1: #1A2240;
  --text-2: #4A5470;
  --text-3: #6B758F;
  --text-muted: #8E97AE;

  /* Slightly darker/richer gradient in light mode so it reads against white */
  --g-brand:       linear-gradient(135deg, #2F5AEC 0%, #6A46E8 55%, #06B8DC 100%);
  --g-brand-soft:  linear-gradient(135deg, rgba(47,90,236,0.10), rgba(106,70,232,0.10) 55%, rgba(6,184,220,0.10));
  --g-panel:       linear-gradient(180deg, rgba(12,20,40,0.015), rgba(12,20,40,0));
  --g-hero-glow:   radial-gradient(60% 60% at 20% 10%, rgba(47,90,236,0.12), transparent 70%),
                   radial-gradient(55% 55% at 85% 20%, rgba(106,70,232,0.10), transparent 70%),
                   radial-gradient(70% 70% at 60% 90%, rgba(6,184,220,0.08), transparent 70%);
  --ambient:       radial-gradient(1200px 800px at 10% -10%, rgba(47,90,236,0.05), transparent 60%),
                   radial-gradient(900px 700px at 110% 10%, rgba(106,70,232,0.05), transparent 60%),
                   radial-gradient(700px 500px at 50% 120%, rgba(6,184,220,0.04), transparent 60%);
  --grid-color:    rgba(12,20,40,0.045);
  --grid-opacity:  0.6;

  --on-brand: #FFFFFF;

  --shadow-lg:   0 30px 80px -30px rgba(12,20,40,0.18), 0 10px 30px -15px rgba(12,20,40,0.10);
  --shadow-card: 0 1px 0 rgba(255,255,255,0.6) inset, 0 4px 16px -8px rgba(12,20,40,0.08);
  --shadow-btn:  0 10px 24px -10px rgba(106,70,232,0.45);
  --shadow-btn-hover: 0 16px 32px -10px rgba(47,90,236,0.45);
  --shadow-glow: 0 0 0 4px rgba(6,184,220,0.14);

  --header-bg: rgba(246, 248, 252, 0.78);

  color-scheme: light;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.65;
  color: var(--text-1);
  background: var(--bg-0);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  transition: background-color .35s var(--ease), color .35s var(--ease);
}
img, svg, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color .2s var(--ease); }
a:hover { color: var(--cyan); }
[data-theme="light"] a:hover { color: var(--cyan-500); }
button { font-family: inherit; cursor: pointer; }
::selection { background: rgba(124,92,255,0.35); color: var(--text-0); }

/* Ambient background */
body::before {
  content: "";
  position: fixed; inset: 0;
  pointer-events: none;
  background: var(--ambient);
  z-index: 0;
}
/* Subtle grid overlay */
body::after {
  content: "";
  position: fixed; inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--grid-color) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-color) 1px, transparent 1px);
  background-size: 60px 60px;
  -webkit-mask-image: radial-gradient(ellipse at center, rgba(0,0,0,0.65), transparent 70%);
          mask-image: radial-gradient(ellipse at center, rgba(0,0,0,0.65), transparent 70%);
  z-index: 0;
  opacity: var(--grid-opacity);
}

main, header, footer, section { position: relative; z-index: 1; }

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  color: var(--text-0);
  letter-spacing: -0.02em;
  line-height: 1.12;
  margin: 0 0 0.6em;
  font-weight: 600;
}
h1 { font-size: clamp(2.4rem, 5.5vw, 4.5rem); font-weight: 700; letter-spacing: -0.035em; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); letter-spacing: -0.03em; }
h3 { font-size: clamp(1.25rem, 2vw, 1.55rem); }
h4 { font-size: 1.1rem; letter-spacing: -0.01em; }
p { margin: 0 0 1.1em; color: var(--text-2); }
strong { color: var(--text-0); font-weight: 600; }
em { font-style: italic; color: var(--text-1); }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--blue);
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(79,124,255,0.08);
  border: 1px solid rgba(79,124,255,0.25);
  margin-bottom: 1.2rem;
}
.eyebrow::before {
  content: "";
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 10px var(--cyan);
}
[data-theme="light"] .eyebrow {
  color: var(--blue-500);
  background: rgba(47,90,236,0.07);
  border-color: rgba(47,90,236,0.22);
}
[data-theme="light"] .eyebrow::before { background: var(--cyan-500); box-shadow: 0 0 8px var(--cyan-500); }

.gradient-text {
  background: var(--g-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lead {
  font-size: 1.2rem;
  line-height: 1.55;
  color: var(--text-1);
  max-width: 64ch;
}

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
}
.container-wide { max-width: 1360px; }
.container-narrow { max-width: 880px; }

section { padding: clamp(72px, 10vw, 140px) 0; }
.section-sm { padding: clamp(56px, 7vw, 90px) 0; }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  background: var(--header-bg);
  border-bottom: 1px solid var(--border-subtle);
  transition: background-color .35s var(--ease);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  gap: 16px;
}
.nav-right { display: flex; align-items: center; gap: 8px; }
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-0);
  letter-spacing: -0.01em;
}
.logo-mark {
  width: 34px; height: 34px;
  border-radius: 9px;
  background: var(--g-brand);
  display: grid; place-items: center;
  box-shadow: 0 8px 22px -8px rgba(124,92,255,0.7);
  position: relative;
  overflow: hidden;
}
.logo-mark::after {
  content: "";
  position: absolute; inset: 1.5px;
  background: var(--bg-0);
  border-radius: 8px;
  transition: background-color .35s var(--ease);
}
.logo-mark svg { position: relative; z-index: 1; }
.logo-name { color: var(--text-0); }
.logo-name .accent { background: var(--g-brand); -webkit-background-clip: text; background-clip: text; color: transparent; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
  margin: 0; padding: 0;
}
.nav-links > li { position: relative; }
.nav-links a {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 10px 14px;
  font-size: 0.94rem;
  color: var(--text-2);
  border-radius: 8px;
  transition: color .2s var(--ease), background .2s var(--ease);
}
.nav-links a:hover,
.nav-links a[aria-current="page"] { color: var(--text-0); background: var(--bg-3); }

.has-dropdown > a::after {
  content: "";
  width: 8px; height: 8px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
  margin-left: 2px;
  opacity: 0.6;
}
.dropdown {
  position: absolute;
  top: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%) translateY(6px);
  min-width: 260px;
  background: var(--bg-2-solid);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  padding: 8px;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transition: opacity .2s var(--ease), transform .2s var(--ease), visibility .2s;
  list-style: none;
  margin: 0;
}
.has-dropdown:hover > .dropdown,
.has-dropdown:focus-within > .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.dropdown a {
  display: block;
  padding: 10px 12px;
  border-radius: 8px;
  color: var(--text-2);
  font-size: 0.92rem;
}
.dropdown a:hover { background: var(--bg-3); color: var(--text-0); }

/* Theme toggle button */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px; height: 38px;
  border-radius: 10px;
  background: var(--bg-3);
  border: 1px solid var(--border-soft);
  color: var(--text-1);
  transition: all .25s var(--ease);
}
.theme-toggle:hover {
  color: var(--text-0);
  border-color: var(--border-strong);
  transform: translateY(-1px);
}
.theme-toggle svg { width: 18px; height: 18px; transition: transform .3s var(--ease); }
.theme-toggle .icon-sun { display: none; }
.theme-toggle .icon-moon { display: block; }
[data-theme="light"] .theme-toggle .icon-sun { display: block; }
[data-theme="light"] .theme-toggle .icon-moon { display: none; }

/* Mobile nav */
.nav-toggle {
  display: none;
  background: var(--bg-3);
  border: 1px solid var(--border-soft);
  color: var(--text-1);
  width: 40px; height: 40px;
  border-radius: 10px;
  align-items: center; justify-content: center;
}
.nav-toggle svg { width: 20px; height: 20px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 22px;
  border-radius: 999px;
  font-weight: 500;
  font-size: 0.95rem;
  letter-spacing: -0.005em;
  border: 1px solid transparent;
  transition: all .25s var(--ease);
  white-space: nowrap;
  cursor: pointer;
}
.btn-primary {
  background: var(--g-brand);
  color: var(--on-brand);
  font-weight: 600;
  box-shadow: var(--shadow-btn);
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-btn-hover);
  color: var(--on-brand);
}
.btn-ghost {
  color: var(--text-1);
  border-color: var(--border-soft);
  background: var(--bg-3);
}
.btn-ghost:hover {
  border-color: var(--border-strong);
  background: var(--bg-4);
  color: var(--text-0);
}
.btn-arrow { transition: transform .25s var(--ease); }
.btn:hover .btn-arrow { transform: translateX(3px); }

.text-link {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--blue);
  font-weight: 500;
  font-size: 0.95rem;
}
.text-link:hover { color: var(--text-0); }
[data-theme="light"] .text-link { color: var(--blue-500); }
[data-theme="light"] .text-link:hover { color: var(--indigo-500); }
.text-link .arrow { transition: transform .25s var(--ease); }
.text-link:hover .arrow { transform: translateX(3px); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: clamp(90px, 14vw, 180px) 0 clamp(72px, 10vw, 140px);
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute; inset: -10% -10% 0 -10%;
  background: var(--g-hero-glow);
  filter: blur(10px);
  pointer-events: none;
  opacity: 0.9;
  animation: drift 20s ease-in-out infinite alternate;
}
@keyframes drift {
  0%   { transform: translate3d(0, 0, 0) scale(1); }
  100% { transform: translate3d(-2%, 2%, 0) scale(1.05); }
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: 60px;
}
.hero h1 { margin-bottom: 24px; }
.hero-sub { font-size: 1.2rem; color: var(--text-2); margin-bottom: 32px; max-width: 54ch; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-visual {
  position: relative;
  aspect-ratio: 1 / 1;
  max-width: 520px;
  margin-left: auto;
}

/* ---------- Cards / Grids ---------- */
.grid {
  display: grid;
  gap: 20px;
}
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.card {
  position: relative;
  padding: 28px;
  border-radius: var(--radius-lg);
  background: var(--g-panel), var(--bg-2-solid);
  border: 1px solid var(--border-soft);
  box-shadow: var(--shadow-card);
  transition: transform .35s var(--ease), border-color .35s var(--ease), background .35s var(--ease), box-shadow .35s var(--ease);
  overflow: hidden;
}
.card::before {
  content: "";
  position: absolute;
  top: -1px; left: -1px; right: -1px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-strong), transparent);
  opacity: 0;
  transition: opacity .35s var(--ease);
}
.card:hover {
  transform: translateY(-3px);
  border-color: var(--border-strong);
  background: var(--bg-3);
}
.card:hover::before { opacity: 1; }
.card h3 { margin-bottom: 8px; }
.card p { margin-bottom: 0; font-size: 0.97rem; }

.card-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  display: grid; place-items: center;
  background: var(--g-brand-soft);
  border: 1px solid rgba(124,92,255,0.22);
  margin-bottom: 20px;
  color: var(--blue);
}
.card-icon svg { width: 24px; height: 24px; }
[data-theme="light"] .card-icon { color: var(--blue-500); border-color: rgba(106,70,232,0.22); }

.card-accent {
  background: var(--g-brand-soft);
  border-color: rgba(124,92,255,0.28);
}
[data-theme="light"] .card-accent { border-color: rgba(106,70,232,0.22); }

/* Feature rows */
.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.feature-row.reverse > :first-child { order: 2; }
.feature-row h2 { margin-bottom: 20px; }
.feature-visual {
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-lg);
  background: var(--g-panel), var(--bg-2-solid);
  border: 1px solid var(--border-soft);
  overflow: hidden;
  position: relative;
}

/* Stat / quote blocks */
.stat-block {
  padding: 48px;
  border-radius: var(--radius-xl);
  background: var(--g-brand-soft);
  border: 1px solid rgba(124,92,255,0.2);
  text-align: center;
}
.stat-number {
  font-family: var(--font-display);
  font-size: clamp(4rem, 10vw, 7rem);
  font-weight: 700;
  background: var(--g-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1;
  letter-spacing: -0.04em;
}

.quote {
  padding: 56px 40px;
  border-radius: var(--radius-xl);
  background: var(--g-panel), var(--bg-2-solid);
  border: 1px solid var(--border-soft);
  position: relative;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}
.quote-mark {
  font-family: var(--font-display);
  font-size: 6rem;
  line-height: 0.4;
  background: var(--g-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 10px;
  display: block;
}
.quote blockquote {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2.3vw, 1.8rem);
  line-height: 1.3;
  color: var(--text-0);
  letter-spacing: -0.015em;
  font-weight: 500;
}
.quote cite {
  font-style: normal;
  color: var(--text-3);
  font-size: 0.9rem;
  letter-spacing: 0.02em;
}

/* Process steps */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  counter-reset: step;
}
.step {
  padding: 28px;
  border-radius: var(--radius-lg);
  background: var(--bg-2-solid);
  border: 1px solid var(--border-soft);
  box-shadow: var(--shadow-card);
  position: relative;
  counter-increment: step;
}
.step::before {
  content: "0" counter(step);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--blue);
  letter-spacing: 0.1em;
  display: block;
  margin-bottom: 18px;
}
[data-theme="light"] .step::before { color: var(--blue-500); }
.step h4 { margin-bottom: 10px; }
.step p { margin-bottom: 0; font-size: 0.95rem; }

/* Section header */
.section-head {
  max-width: 720px;
  margin: 0 auto 56px;
  text-align: center;
}
.section-head.left { margin-left: 0; text-align: left; }
.section-head h2 { margin-bottom: 16px; }
.section-head p { margin-bottom: 0; font-size: 1.12rem; }

/* Hr divider */
.divider {
  height: 1px;
  border: 0;
  background: linear-gradient(90deg, transparent, var(--border-soft), transparent);
  margin: 0;
}

/* ---------- Page hero (interior) ---------- */
.page-hero {
  position: relative;
  padding: clamp(100px, 12vw, 160px) 0 clamp(60px, 8vw, 100px);
  border-bottom: 1px solid var(--border-subtle);
  overflow: hidden;
}
.page-hero::before {
  content: "";
  position: absolute; inset: 0;
  background: var(--g-hero-glow);
  opacity: 0.7;
  filter: blur(6px);
  pointer-events: none;
}
.page-hero-inner { max-width: 880px; }
.page-hero h1 { font-size: clamp(2.2rem, 4.5vw, 3.4rem); margin-bottom: 20px; }
.page-hero .lead { font-size: 1.25rem; color: var(--text-1); }

.page-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: center;
  position: relative;
}
.page-hero.has-visual .page-hero-grid {
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
}
.page-hero.has-visual .page-hero-inner { max-width: 620px; }
.page-hero-visual {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3.2;
  display: grid;
  place-items: center;
}
.page-hero-visual svg {
  width: 100%;
  height: 100%;
  max-width: 520px;
  filter: drop-shadow(0 30px 60px rgba(79,124,255,0.18));
}
[data-theme="light"] .page-hero-visual svg {
  filter: drop-shadow(0 22px 44px rgba(47,90,236,0.18));
}
@media (max-width: 900px) {
  .page-hero.has-visual .page-hero-grid { grid-template-columns: 1fr; }
  .page-hero-visual { max-width: 480px; margin: 0 auto; }
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 24px;
}
.breadcrumb a { color: var(--text-3); }
.breadcrumb a:hover { color: var(--blue); }
[data-theme="light"] .breadcrumb a:hover { color: var(--blue-500); }
.breadcrumb .sep { opacity: 0.5; }

/* ---------- Pills / Tags ---------- */
.pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.pill {
  padding: 8px 16px;
  border-radius: 999px;
  background: var(--bg-2-solid);
  border: 1px solid var(--border-soft);
  font-size: 0.9rem;
  color: var(--text-1);
  transition: all .25s var(--ease);
}
.pill:hover {
  border-color: rgba(79,124,255,0.45);
  color: var(--text-0);
  background: var(--bg-3);
}
.pill-icon { display: inline-flex; align-items: center; gap: 8px; }
.pill-icon svg { width: 14px; height: 14px; color: var(--blue); }
[data-theme="light"] .pill-icon svg { color: var(--blue-500); }

/* ---------- CTA banner ---------- */
.cta-banner {
  position: relative;
  padding: 70px 56px;
  border-radius: var(--radius-xl);
  background:
    radial-gradient(60% 100% at 20% 0%, rgba(59,107,255,0.18), transparent 60%),
    radial-gradient(60% 100% at 100% 100%, rgba(34,225,255,0.16), transparent 60%),
    var(--bg-2-solid);
  border: 1px solid var(--border-soft);
  overflow: hidden;
  text-align: center;
}
.cta-banner h2 { margin-bottom: 14px; }
.cta-banner p { max-width: 58ch; margin: 0 auto 28px; font-size: 1.1rem; }

/* ---------- Forms ---------- */
.form-field { margin-bottom: 18px; }
.form-field label {
  display: block;
  font-size: 0.82rem;
  color: var(--text-2);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 8px;
  font-family: var(--font-mono);
}
.form-field input,
.form-field textarea,
.form-field select {
  width: 100%;
  padding: 14px 16px;
  background: var(--bg-3);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  color: var(--text-0);
  font-family: inherit;
  font-size: 1rem;
  transition: border-color .2s var(--ease), background .2s var(--ease), box-shadow .2s var(--ease);
}
[data-theme="light"] .form-field input,
[data-theme="light"] .form-field textarea,
[data-theme="light"] .form-field select { background: var(--bg-1); }
.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
  outline: none;
  border-color: var(--cyan);
  box-shadow: var(--shadow-glow);
}
.form-field textarea { resize: vertical; min-height: 140px; }

/* ---------- Blog ---------- */
.post-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.post-grid.featured {
  grid-template-columns: 1.4fr 1fr 1fr;
}
.post-card {
  display: flex;
  flex-direction: column;
  padding: 28px;
  border-radius: var(--radius-lg);
  background: var(--bg-2-solid);
  border: 1px solid var(--border-soft);
  box-shadow: var(--shadow-card);
  transition: transform .3s var(--ease), border-color .3s var(--ease), background .3s var(--ease);
  color: var(--text-1);
  min-height: 260px;
}
.post-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-strong);
  background: var(--bg-3);
  color: var(--text-1);
}
.post-card .tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue);
  background: rgba(79,124,255,0.08);
  border: 1px solid rgba(79,124,255,0.22);
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: 18px;
  align-self: flex-start;
}
[data-theme="light"] .post-card .tag {
  color: var(--blue-500);
  background: rgba(47,90,236,0.08);
  border-color: rgba(47,90,236,0.22);
}
.post-card h3 {
  font-size: 1.25rem;
  letter-spacing: -0.015em;
  margin-bottom: 10px;
  line-height: 1.25;
}
.post-card p {
  font-size: 0.95rem;
  flex: 1;
  margin-bottom: 20px;
}
.post-card .meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: var(--text-3);
  padding-top: 16px;
  border-top: 1px solid var(--border-subtle);
}
.post-card.hero-post {
  min-height: 100%;
  grid-row: span 2;
  background:
    radial-gradient(90% 80% at 100% 0%, rgba(124,92,255,0.18), transparent 60%),
    radial-gradient(80% 80% at 0% 100%, rgba(34,225,255,0.14), transparent 60%),
    var(--bg-2-solid);
}
.post-card.hero-post h3 {
  font-size: clamp(1.6rem, 2.5vw, 2rem);
  line-height: 1.15;
}
.post-card.hero-post p { font-size: 1.05rem; }

/* Category glyph that crowns every post card */
.post-card { padding: 0 28px 28px; overflow: hidden; }
.post-card-glyph {
  margin: 0 -28px 22px;
  padding: 6px 0;
  background:
    radial-gradient(60% 100% at 30% 0%, rgba(59,107,255,0.14), transparent 70%),
    radial-gradient(60% 100% at 100% 100%, rgba(34,225,255,0.12), transparent 70%),
    var(--bg-3);
  border-bottom: 1px solid var(--border-subtle);
  display: block;
}
.post-card-glyph svg {
  display: block;
  width: 100%;
  height: 130px;
}
.post-card.hero-post .post-card-glyph svg { height: 180px; }

/* Article (single post) */
.article-body {
  font-size: 1.08rem;
  line-height: 1.75;
  color: var(--text-1);
  max-width: 720px;
  margin: 0 auto;
}
.article-body h2 { font-size: 1.8rem; margin: 48px 0 16px; }
.article-body h3 { font-size: 1.35rem; margin: 36px 0 12px; }
.article-body h4 { font-size: 1.1rem; margin: 28px 0 10px; color: var(--blue); font-family: var(--font-mono); font-size: .85rem; letter-spacing: .12em; text-transform: uppercase; }
[data-theme="light"] .article-body h4 { color: var(--blue-500); }
.article-body p { font-size: 1.08rem; color: var(--text-1); }
.article-body p code, .article-body code {
  font-family: var(--font-mono);
  background: var(--bg-3);
  border: 1px solid var(--border-subtle);
  padding: 2px 6px;
  border-radius: 6px;
  font-size: 0.92em;
  color: var(--cyan);
}
[data-theme="light"] .article-body p code,
[data-theme="light"] .article-body code { color: var(--cyan-500); }
.article-body a { color: var(--blue); border-bottom: 1px solid rgba(79,124,255,0.35); }
.article-body a:hover { color: var(--cyan); border-bottom-color: var(--cyan); }
[data-theme="light"] .article-body a { color: var(--blue-500); border-bottom-color: rgba(47,90,236,0.3); }
[data-theme="light"] .article-body a:hover { color: var(--cyan-500); border-bottom-color: var(--cyan-500); }
.article-body blockquote {
  border-left: 3px solid var(--blue);
  padding: 6px 0 6px 22px;
  margin: 28px 0;
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--text-0);
  font-style: italic;
}
.article-body figure {
  margin: 32px 0;
  padding: 18px;
  border-radius: var(--radius-md);
  background: var(--bg-3);
  border: 1px solid var(--border-subtle);
  text-align: center;
}
.article-body figure figcaption {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.05em;
  color: var(--text-3);
}

.article-meta {
  display: flex;
  gap: 16px;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 16px;
}
.article-meta .tag {
  color: var(--blue);
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(79,124,255,0.08);
  border: 1px solid rgba(79,124,255,0.22);
  letter-spacing: 0.1em;
}
[data-theme="light"] .article-meta .tag {
  color: var(--blue-500);
  background: rgba(47,90,236,0.08);
  border-color: rgba(47,90,236,0.22);
}

/* Article lead paragraph */
.article-body > p.lead {
  font-size: 1.22rem;
  color: var(--text-0);
  line-height: 1.6;
  margin: 8px 0 28px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border-subtle);
}

/* Article diagrams (inline SVG figures) */
.article-body figure.diagram {
  margin: 36px 0;
  padding: 24px;
  background:
    radial-gradient(60% 100% at 30% 0%, rgba(59,107,255,0.10), transparent 70%),
    radial-gradient(60% 100% at 100% 100%, rgba(34,225,255,0.08), transparent 70%),
    var(--bg-2-solid);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
}
.article-body figure.diagram svg {
  display: block;
  width: 100%;
  height: auto;
  max-width: 720px;
  margin: 0 auto;
}
.article-body figure.diagram figcaption {
  margin-top: 14px;
  text-align: left;
}

/* Article code block (figure wrapper + <pre>) */
.article-body figure.code-block {
  padding: 0;
  background: transparent;
  border: 0;
  text-align: left;
}
.article-body figure.code-block pre {
  margin: 0;
  padding: 20px 22px;
  background: var(--bg-3);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--text-0);
  overflow-x: auto;
  text-align: left;
}
.article-body figure.code-block pre code {
  background: transparent;
  border: 0;
  padding: 0;
  color: inherit;
  font-size: inherit;
}
.article-body figure.code-block figcaption {
  margin-top: 10px;
  text-align: left;
}

/* Post card heading links inherit, not blue */
.post-card h3 a {
  color: var(--text-0);
  border-bottom: 0;
}
.post-card h3 a:hover { color: var(--blue); }
[data-theme="light"] .post-card h3 a:hover { color: var(--blue-500); }

/* Article meta wraps gracefully */
.article-meta { flex-wrap: wrap; row-gap: 8px; }

/* ---------- Footer ---------- */
.site-footer {
  padding: 80px 0 40px;
  border-top: 1px solid var(--border-subtle);
  margin-top: 60px;
  background: linear-gradient(180deg, transparent, rgba(124,92,255,0.04));
}
[data-theme="light"] .site-footer {
  background: linear-gradient(180deg, transparent, rgba(47,90,236,0.035));
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 56px;
}
.footer-brand p {
  margin-top: 18px;
  font-size: 0.95rem;
  color: var(--text-3);
  max-width: 38ch;
}
.footer-col h5 {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 18px;
  font-weight: 500;
}
.footer-col ul { list-style: none; margin: 0; padding: 0; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { color: var(--text-2); font-size: 0.94rem; }
.footer-col a:hover { color: var(--blue); }
[data-theme="light"] .footer-col a:hover { color: var(--blue-500); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding-top: 28px;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.88rem;
  color: var(--text-3);
  flex-wrap: wrap;
}
.social {
  display: flex;
  gap: 10px;
  list-style: none;
  margin: 0; padding: 0;
}
.social a {
  width: 36px; height: 36px;
  display: grid; place-items: center;
  border-radius: 10px;
  background: var(--bg-2-solid);
  border: 1px solid var(--border-soft);
  color: var(--text-2);
  transition: all .25s var(--ease);
}
.social a:hover {
  color: var(--text-0);
  border-color: var(--border-strong);
  background: var(--bg-3);
  transform: translateY(-2px);
}
.social svg { width: 16px; height: 16px; }

/* ---------- Utilities ---------- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0 !important; }
.mb-0 { margin-bottom: 0 !important; }
.mb-lg { margin-bottom: 48px; }

/* Scroll-reveal */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .7s var(--ease-out), transform .7s var(--ease-out);
}
.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}
.reveal:nth-child(2) { transition-delay: .08s; }
.reveal:nth-child(3) { transition-delay: .16s; }
.reveal:nth-child(4) { transition-delay: .24s; }
.reveal:nth-child(5) { transition-delay: .32s; }
.reveal:nth-child(6) { transition-delay: .4s; }

/* ---------- Responsive ---------- */
@media (max-width: 1000px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { max-width: 420px; margin: 0 auto; }
  .feature-row { grid-template-columns: 1fr; gap: 40px; }
  .feature-row.reverse > :first-child { order: 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .post-grid, .post-grid.featured { grid-template-columns: repeat(2, 1fr); }
  .post-card.hero-post { grid-column: span 2; grid-row: auto; }
}
@media (max-width: 720px) {
  section { padding: 72px 0; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .nav-toggle { display: inline-flex; }
  .site-header.open .nav-links {
    display: flex;
    position: absolute;
    top: 100%; left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    background: var(--bg-1);
    border-bottom: 1px solid var(--border-subtle);
    padding: 12px;
    gap: 0;
  }
  .site-header.open .nav-links a { padding: 14px 16px; }
  .site-header.open .has-dropdown > .dropdown {
    position: static;
    transform: none;
    opacity: 1; visibility: visible;
    background: transparent;
    border: 0;
    padding: 0 0 0 14px;
    min-width: 0;
    box-shadow: none;
  }
  .hero { padding-top: 72px; }
  .cta-banner { padding: 44px 26px; }
  .quote { padding: 40px 24px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .stat-block { padding: 32px 24px; }
  .feature-row { gap: 32px; }
  .post-grid, .post-grid.featured { grid-template-columns: 1fr; }
  .post-card.hero-post { grid-column: auto; }
}

/* Reduce motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}