/* ============================================================
   Disruptive Strategies — Global Stylesheet
   Palette inspired by caiv.ai (deep navy + electric blue)
   ============================================================ */

:root {
  --bg: #070614;
  --bg-2: #0b0a1f;
  --surface: #0f172a;
  --surface-2: #131c33;
  --border: #1f2a3d;
  --border-strong: #2a3a55;

  --text: #ffffff;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  --accent: #0085ff;
  --accent-2: #0177e3;
  --accent-soft: #e7f6ff;
  --accent-glow: rgba(0, 133, 255, 0.35);

  --gradient-1: linear-gradient(135deg, #0085ff 0%, #6f5bff 100%);
  --gradient-2: radial-gradient(60% 60% at 50% 0%, rgba(0,133,255,0.18) 0%, rgba(7,6,20,0) 70%);

  --radius: 14px;
  --radius-lg: 22px;
  --shadow-1: 0 1px 0 rgba(255,255,255,0.04) inset, 0 30px 60px -20px rgba(0,0,0,0.7);
  --shadow-glow: 0 10px 40px -10px var(--accent-glow);

  --container: 1200px;
  --ease: cubic-bezier(.2,.7,.2,1);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  background:
    radial-gradient(80% 60% at 50% -10%, rgba(0,133,255,0.15) 0%, rgba(7,6,20,0) 60%),
    radial-gradient(50% 50% at 100% 0%, rgba(111,91,255,0.10) 0%, rgba(7,6,20,0) 70%),
    var(--bg);
  min-height: 100vh;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }

a {
  color: var(--accent);
  text-decoration: none;
  transition: color .2s var(--ease);
}
a:hover { color: var(--accent-soft); }

h1, h2, h3, h4 {
  font-family: 'Space Grotesk', 'Inter', sans-serif;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin: 0 0 .5em;
  color: var(--text);
}

h1 { font-size: clamp(2.5rem, 6vw, 4.5rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.15rem; }

p { margin: 0 0 1em; color: var(--text-muted); }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(0,133,255,0.08);
  border: 1px solid rgba(0,133,255,0.25);
  padding: 6px 12px;
  border-radius: 999px;
  margin-bottom: 18px;
}
.eyebrow::before {
  content: "";
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent);
}

.gradient-text {
  background: var(--gradient-1);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 24px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  transition: all .25s var(--ease);
  border: 1px solid transparent;
  text-decoration: none;
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 6px 20px -6px var(--accent-glow);
}
.btn-primary:hover {
  background: var(--accent-2);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 12px 30px -8px var(--accent-glow);
}
.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border-strong);
}
.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(0,133,255,0.06);
}
.btn .arrow { transition: transform .25s var(--ease); }
.btn:hover .arrow { transform: translateX(4px); }

/* ---------- Navbar ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background: rgba(7,6,20,0.72);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.nav-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 18px;
  color: var(--text);
  letter-spacing: -0.01em;
}
.brand-mark {
  width: 32px; height: 32px;
  border-radius: 8px;
  background: var(--gradient-1);
  display: grid; place-items: center;
  color: #fff;
  font-weight: 800;
  box-shadow: 0 6px 20px -6px var(--accent-glow);
  position: relative;
  overflow: hidden;
}
.brand-mark::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(135deg, transparent 60%, rgba(255,255,255,0.25) 60%);
}
.brand-mark span { position: relative; z-index: 1; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 8px;
  transition: all .2s var(--ease);
}
.nav-links a:hover, .nav-links a.active {
  color: var(--text);
  background: rgba(255,255,255,0.04);
}

.nav-cta { margin-left: 8px; padding: 10px 18px; font-size: 14px; }

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border-strong);
  color: var(--text);
  width: 42px; height: 42px;
  border-radius: 10px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 120px 0 100px;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--gradient-2);
  pointer-events: none;
}
.hero-grid {
  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: radial-gradient(ellipse at center, black 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
  pointer-events: none;
}
.hero-content {
  position: relative;
  z-index: 1;
  max-width: 920px;
}
.hero h1 {
  margin-bottom: 20px;
}
.hero .lede {
  font-size: clamp(1.05rem, 1.6vw, 1.3rem);
  color: var(--text-muted);
  max-width: 680px;
  margin-bottom: 36px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.hero-meta {
  margin-top: 64px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
  z-index: 1;
}
.hero-meta .stat {
  border-top: 1px solid var(--border);
  padding-top: 18px;
}
.hero-meta .stat .num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--text);
}
.hero-meta .stat .lbl {
  font-size: 13px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ---------- Sections ---------- */
section { padding: 96px 0; }
.section-header {
  max-width: 760px;
  margin: 0 auto 56px;
  text-align: center;
}
.section-header.left { text-align: left; margin: 0 0 56px; }
.section-header p { font-size: 1.05rem; }

/* ---------- Cards ---------- */
.card-grid {
  display: grid;
  gap: 24px;
}
.card-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.card-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: linear-gradient(180deg, var(--surface) 0%, var(--bg-2) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all .3s var(--ease);
  position: relative;
  overflow: hidden;
}
.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(80% 80% at 0% 0%, rgba(0,133,255,0.10) 0%, transparent 60%);
  opacity: 0;
  transition: opacity .35s var(--ease);
  pointer-events: none;
}
.card:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-1);
}
.card:hover::before { opacity: 1; }
.card-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  background: rgba(0,133,255,0.1);
  border: 1px solid rgba(0,133,255,0.25);
  color: var(--accent);
  display: grid; place-items: center;
  margin-bottom: 20px;
}
.card h3 { margin-bottom: 10px; }
.card p { margin-bottom: 0; }

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 18px;
  font-weight: 600;
  font-size: 14px;
  color: var(--accent);
}
.card-link:hover { color: var(--accent-soft); }

/* ---------- Features list (alternating) ---------- */
.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  margin: 80px 0;
}
.feature-row.reverse > :first-child { order: 2; }
.feature-visual {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 28px;
  min-height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.feature-visual::before {
  content: "";
  position: absolute;
  inset: -40%;
  background: conic-gradient(from 90deg, rgba(0,133,255,0) 0%, rgba(0,133,255,0.15) 30%, rgba(0,133,255,0) 60%);
  animation: spin 18s linear infinite;
}
.feature-visual > * { position: relative; z-index: 1; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Big quote ---------- */
.quote {
  border-left: 3px solid var(--accent);
  padding: 24px 28px;
  background: linear-gradient(90deg, rgba(0,133,255,0.06), transparent);
  border-radius: 8px;
  margin: 32px 0;
}
.quote p {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.4rem;
  color: var(--text);
  font-weight: 500;
  line-height: 1.4;
}
.quote cite {
  display: block;
  margin-top: 14px;
  font-style: normal;
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* ---------- Logo cloud ---------- */
.logo-cloud {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
  align-items: center;
  padding: 32px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.logo-cloud .logo {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 18px;
  text-align: center;
  color: var(--text-muted);
  opacity: .7;
  transition: opacity .2s var(--ease);
}
.logo-cloud .logo:hover { opacity: 1; }

/* ---------- CTA section ---------- */
.cta {
  position: relative;
  border-radius: var(--radius-lg);
  padding: 72px 56px;
  background:
    radial-gradient(60% 80% at 100% 0%, rgba(0,133,255,0.20) 0%, transparent 60%),
    linear-gradient(180deg, var(--surface), var(--bg-2));
  border: 1px solid var(--border-strong);
  overflow: hidden;
}
.cta h2 { max-width: 600px; }
.cta p { max-width: 560px; }
.cta-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 24px; }

/* ---------- Page hero (smaller) ---------- */
.page-hero {
  padding: 80px 0 60px;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: "";
  position: absolute; inset: 0;
  background: var(--gradient-2);
  pointer-events: none;
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); }
.page-hero p {
  max-width: 680px;
  font-size: 1.1rem;
}

/* ---------- Article / list ---------- */
.article-list { display: grid; gap: 28px; }
.article {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 28px;
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  transition: all .25s var(--ease);
}
.article:hover { border-color: var(--accent); transform: translateY(-2px); }
.article .art-thumb {
  border-radius: 12px;
  background: var(--gradient-1);
  position: relative;
  overflow: hidden;
  min-height: 140px;
}
.article .art-thumb::after {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(50% 80% at 100% 100%, rgba(0,0,0,0.5), transparent 60%),
    linear-gradient(135deg, rgba(255,255,255,0.15), transparent 50%);
}
.article .meta {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 10px;
}
.article h3 { margin-bottom: 8px; }
.article p { margin-bottom: 12px; }

/* ---------- Form ---------- */
.form-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
}
.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 20px;
}
.field label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: 0.02em;
}
.field input, .field select, .field textarea {
  width: 100%;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  color: var(--text);
  font-family: inherit;
  font-size: 15px;
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(0,133,255,0.15);
}
.field textarea { min-height: 140px; resize: vertical; }
.row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--border);
  padding: 64px 0 32px;
  margin-top: 80px;
  background: var(--bg-2);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}
.footer-grid h4 {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text);
  margin-bottom: 16px;
}
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { margin-bottom: 10px; }
.footer-grid a { color: var(--text-muted); font-size: 14px; }
.footer-grid a:hover { color: var(--text); }
.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--text-dim);
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom p { margin: 0; color: var(--text-dim); }

/* ---------- Reveal animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
}
.reveal.visible { opacity: 1; transform: none; }

/* ---------- Pill / chip ---------- */
.chip {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--accent);
  background: rgba(0,133,255,0.08);
  border: 1px solid rgba(0,133,255,0.2);
  padding: 4px 10px;
  border-radius: 999px;
}

/* ---------- Service detailed list ---------- */
.detail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 24px;
}
.detail-grid .detail {
  display: flex; gap: 12px; align-items: flex-start;
}
.detail .check {
  flex-shrink: 0;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: rgba(0,133,255,0.12);
  border: 1px solid rgba(0,133,255,0.4);
  color: var(--accent);
  display: grid; place-items: center;
  font-size: 12px;
  margin-top: 3px;
}
.detail strong { color: var(--text); display: block; margin-bottom: 2px; }

/* ---------- Case study ---------- */
.case {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
  align-items: center;
  margin-bottom: 24px;
  transition: border-color .25s var(--ease);
}
.case:hover { border-color: var(--accent); }
.case-visual {
  border-radius: var(--radius);
  background: var(--gradient-1);
  min-height: 240px;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.case-visual .big-num {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: clamp(2.5rem, 6vw, 4rem);
  color: #fff;
  position: relative;
  z-index: 1;
  text-align: center;
}
.case-visual .big-num small {
  display: block;
  font-size: .9rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  opacity: .8;
  text-transform: uppercase;
  margin-top: 8px;
}
.case-visual::after {
  content: "";
  position: absolute; inset: 0;
  background:
    linear-gradient(135deg, rgba(255,255,255,0.18), transparent 50%),
    radial-gradient(60% 60% at 100% 100%, rgba(0,0,0,0.5), transparent 60%);
}
.case .meta-row {
  display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px;
}

/* ---------- Two-column prose ---------- */
.prose {
  max-width: 800px;
  margin: 0 auto;
  font-size: 1.05rem;
}
.prose p { color: var(--text-muted); }
.prose h2 { margin-top: 56px; }
.prose h3 { margin-top: 32px; }
.prose ul { padding-left: 20px; }
.prose ul li { color: var(--text-muted); margin-bottom: 8px; }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .nav-links { display: none; }
  .nav-toggle { display: inline-flex; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    position: absolute;
    top: 70px; left: 16px; right: 16px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 12px;
    z-index: 100;
  }
  .nav-links.open a { padding: 12px 14px; }
  .nav-cta { display: none; }

  .hero-meta { grid-template-columns: repeat(2, 1fr); gap: 18px; }
  .card-grid.cols-3, .card-grid.cols-2 { grid-template-columns: 1fr; }
  .feature-row { grid-template-columns: 1fr; gap: 28px; margin: 56px 0; }
  .feature-row.reverse > :first-child { order: initial; }
  .article { grid-template-columns: 1fr; }
  .case { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .row-2 { grid-template-columns: 1fr; }
  .detail-grid { grid-template-columns: 1fr; }
  .cta { padding: 48px 28px; }
}

@media (max-width: 520px) {
  section { padding: 64px 0; }
  .hero { padding: 80px 0 60px; }
  .footer-grid { grid-template-columns: 1fr; }
  .logo-cloud { grid-template-columns: repeat(2, 1fr); gap: 18px; }
}