/* ===== RESET & TOKENS ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  /* Brand Colors */
  --midnight: #0A1628;
  --steel-blue: #4A90D9;
  --electric-blue: #2D7DD2;
  --ice-blue: #7EB8F0;
  --snow: #F7F9FC;
  --mist: #E8EDF4;
  --slate: #8494A7;
  --graphite: #3D4F63;
  --charcoal: #1E2A3A;
  --titanium: #B0BEC5;
  --chrome: #DCE3EA;
  --iron: #6B7B8D;
  --signal-green: #2ECB71;
  --alert-amber: #F5A623;
  --error-red: #E74C3C;
  --white: #FFFFFF;

  /* Typography */
  --font: 'Outfit', sans-serif;

  /* Spacing */
  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 24px;
  --space-lg: 40px;
  --space-xl: 64px;
  --space-2xl: 100px;

  --max-width: 1200px;
  --radius: 12px;
  --radius-sm: 8px;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  font-size: 15px;
  font-weight: 400;
  line-height: 1.7;
  color: var(--graphite);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

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

/* ===== SCROLL REVEAL ===== */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== NAVIGATION ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 20px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all 0.4s ease;
}
.nav.scrolled {
  background: rgba(10, 22, 40, 0.95);
  backdrop-filter: blur(12px);
  padding: 14px 40px;
  box-shadow: 0 1px 0 rgba(74, 144, 217, 0.1);
}

.nav-logo {
  font-family: var(--font);
  font-size: 22px;
  text-transform: uppercase;
  letter-spacing: 1px;
  text-decoration: none;
  display: flex;
  align-items: baseline;
}
.nav-logo .n { font-weight: 300; color: var(--white); }
.nav-logo .s { font-weight: 300; color: var(--steel-blue); }

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}
.nav-links a {
  font-family: var(--font);
  font-size: 12px;
  font-weight: 400;
  color: var(--slate);
  text-decoration: none;
  letter-spacing: 0.5px;
  transition: color 0.3s;
}
.nav-links a:hover { color: var(--white); }

.nav-cta {
  font-family: var(--font);
  font-size: 12px;
  font-weight: 600;
  color: var(--white) !important;
  background: var(--steel-blue);
  padding: 10px 24px;
  border-radius: 6px;
  text-decoration: none;
  transition: all 0.3s;
  letter-spacing: 0.3px;
}
.nav-cta:hover {
  background: var(--electric-blue);
  transform: translateY(-1px);
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  margin: 5px 0;
  transition: 0.3s;
}

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--midnight);
  overflow: hidden;
  padding: var(--space-2xl) 40px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
}
.hero-glow-1 {
  position: absolute;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(74, 144, 217, 0.08) 0%, transparent 70%);
  top: -10%;
  right: -5%;
  animation: float 20s ease-in-out infinite;
}
.hero-glow-2 {
  position: absolute;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(45, 125, 210, 0.06) 0%, transparent 70%);
  bottom: -10%;
  left: 10%;
  animation: float 25s ease-in-out infinite reverse;
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(74, 144, 217, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(74, 144, 217, 0.03) 1px, transparent 1px);
  background-size: 80px 80px;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -20px) scale(1.05); }
  66% { transform: translate(-20px, 15px) scale(0.97); }
}

.hero-content {
  position: relative;
  max-width: var(--max-width);
  margin: 0 auto;
  width: 100%;
}

.hero-eyebrow {
  font-family: var(--font);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--steel-blue);
  margin-bottom: var(--space-md);
  opacity: 0;
  animation: heroReveal 1s ease forwards 0.2s;
}

.hero-title {
  font-family: var(--font);
  font-size: clamp(38px, 5.5vw, 64px);
  font-weight: 800;
  color: var(--white);
  line-height: 1.08;
  letter-spacing: -1.5px;
  max-width: 700px;
  margin-bottom: var(--space-md);
  opacity: 0;
  animation: heroReveal 1s ease forwards 0.4s;
}
.hero-title .accent { color: var(--steel-blue); }

.hero-desc {
  font-size: 17px;
  font-weight: 300;
  color: var(--slate);
  line-height: 1.75;
  max-width: 560px;
  opacity: 0;
  animation: heroReveal 1s ease forwards 0.6s;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-top: var(--space-lg);
  opacity: 0;
  animation: heroReveal 1s ease forwards 0.8s;
}

@keyframes heroReveal {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font);
  font-size: 14px;
  font-weight: 600;
  color: var(--white);
  background: var(--steel-blue);
  padding: 14px 32px;
  border-radius: 8px;
  text-decoration: none;
  transition: all 0.3s;
  border: none;
  cursor: pointer;
}
.btn-primary:hover {
  background: var(--electric-blue);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(74, 144, 217, 0.3);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font);
  font-size: 14px;
  font-weight: 600;
  color: var(--slate);
  background: transparent;
  padding: 14px 32px;
  border-radius: 8px;
  text-decoration: none;
  border: 1px solid rgba(132, 148, 167, 0.3);
  transition: all 0.3s;
  cursor: pointer;
}
.btn-outline:hover {
  color: var(--white);
  border-color: var(--steel-blue);
}

/* Hero Stats Bar */
.hero-stats {
  display: flex;
  gap: var(--space-xl);
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(74, 144, 217, 0.1);
  opacity: 0;
  animation: heroReveal 1s ease forwards 1s;
}
.hero-stat-num {
  font-family: var(--font);
  font-size: 36px;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -1px;
  line-height: 1;
}
.hero-stat-label {
  font-family: var(--font);
  font-size: 12px;
  font-weight: 300;
  color: var(--slate);
  margin-top: 6px;
  letter-spacing: 0.3px;
}

/* ===== SECTION BASES ===== */
.section {
  padding: var(--space-2xl) 40px;
}
.section-dark {
  background: var(--midnight);
  color: var(--white);
}
.section-light {
  background: var(--snow);
}
.section-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.section-eyebrow {
  font-family: var(--font);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--steel-blue);
  margin-bottom: var(--space-sm);
}
.section-title {
  font-family: var(--font);
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 800;
  color: var(--midnight);
  letter-spacing: -1px;
  line-height: 1.1;
  margin-bottom: var(--space-sm);
}
.section-dark .section-title { color: var(--white); }

.section-subtitle {
  font-family: var(--font);
  font-size: 16px;
  font-weight: 300;
  color: var(--slate);
  max-width: 600px;
  line-height: 1.7;
}

/* ===== FOUNDER SECTION ===== */

  .founder-section {
    background: var(--midnight);
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 80px 40px;
    position: relative;
    overflow: hidden;
  }

  .founder-section > .founder-label,
  .founder-section > .founder-link {
    width: 100%;
    max-width: 1100px;
  }

  .founder-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(74, 144, 217, 0.3), transparent);
  }

  .founder-section::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(74, 144, 217, 0.3), transparent);
  }

  .founder-label {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--steel-blue);
    margin-bottom: 28px;
  }

  .founder-link {
    display: block;
    text-decoration: none;
    color: inherit;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    border-radius: 12px;
    padding: 36px 40px;
    margin: -36px -40px;
    position: relative;
  }

  .founder-link:hover {
    background: rgba(74, 144, 217, 0.06);
  }

  .founder-link:hover .founder-statement {
    color: #fff;
  }

  .founder-link:hover .founder-arrow {
    transform: translateX(8px);
    opacity: 1;
  }

  .founder-link:hover .founder-name-line {
    border-color: var(--steel-blue);
  }

  .founder-statement {
    font-size: clamp(22px, 3vw, 32px);
    font-weight: 400;
    line-height: 1.5;
    color: rgba(255, 255, 255, 0.85);
    max-width: 800px;
    transition: color 0.4s ease;
    letter-spacing: -0.2px;
  }

  .founder-statement em {
    font-style: normal;
    color: var(--steel-blue);
    font-weight: 500;
  }

  .founder-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 32px;
    gap: 20px;
  }

  .founder-name-line {
    display: flex;
    align-items: center;
    gap: 16px;
    padding-top: 20px;
    border-top: 1px solid rgba(74, 144, 217, 0.2);
    transition: border-color 0.4s ease;
    flex: 1;
  }

  .founder-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--charcoal), var(--graphite));
    border: 2px solid rgba(74, 144, 217, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: 600;
    color: var(--steel-blue);
    flex-shrink: 0;
    overflow: hidden;
  }

  .founder-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  .founder-meta {
    display: flex;
    flex-direction: column;
    gap: 2px;
  }

  .founder-name {
    font-size: 15px;
    font-weight: 600;
    color: #fff;
    letter-spacing: 0.3px;
  }

  .founder-title {
    font-size: 13px;
    color: var(--slate);
    font-weight: 400;
  }

  .founder-arrow {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 500;
    color: var(--steel-blue);
    opacity: 0.6;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    white-space: nowrap;
    flex-shrink: 0;
  }

  .founder-arrow svg {
    width: 20px;
    height: 20px;
  }

  /* Responsive */
  @media (max-width: 640px) {
    .founder-section { padding: 50px 24px; }
    .founder-link { padding: 24px; margin: -24px; }
    .founder-bottom { flex-direction: column; align-items: flex-start; }
    .founder-arrow { align-self: flex-end; }
  }

/* ===== FORCES (PROBLEM) SECTION ===== */
.forces-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: var(--space-xl);
}

.force-card {
  background: var(--white);
  border: 1px solid var(--mist);
  border-radius: var(--radius);
  padding: var(--space-lg);
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}
.force-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--steel-blue), var(--ice-blue));
  opacity: 0;
  transition: opacity 0.3s;
}
.force-card:hover {
  border-color: var(--steel-blue);
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(10, 22, 40, 0.08);
}
.force-card:hover::before { opacity: 1; }

.force-num {
  font-family: var(--font);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--iron);
  margin-bottom: var(--space-sm);
}
.force-name {
  font-family: var(--font);
  font-size: 20px;
  font-weight: 600;
  color: var(--midnight);
  margin-bottom: var(--space-sm);
  line-height: 1.2;
}
.force-desc {
  font-size: 14px;
  color: var(--slate);
  line-height: 1.7;
  margin-bottom: var(--space-md);
}
.force-cost {
  font-family: var(--font);
  font-size: 13px;
  font-weight: 600;
  color: var(--alert-amber);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--mist);
}

/* ===== COST OF INACTION BANNER ===== */
.coi-banner {
  background: linear-gradient(135deg, var(--midnight) 0%, var(--charcoal) 100%);
  border-radius: var(--radius);
  padding: var(--space-xl) var(--space-xl);
  margin-top: var(--space-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xl);
  position: relative;
  overflow: hidden;
}
.coi-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(74, 144, 217, 0.1) 0%, transparent 70%);
}

.coi-left { position: relative; }
.coi-label {
  font-family: var(--font);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--alert-amber);
  margin-bottom: var(--space-xs);
}
.coi-amount {
  font-family: var(--font);
  font-size: clamp(36px, 4vw, 52px);
  font-weight: 800;
  color: var(--white);
  letter-spacing: -1px;
  line-height: 1;
}
.coi-detail {
  font-family: var(--font);
  font-size: 14px;
  font-weight: 300;
  color: var(--slate);
  margin-top: var(--space-xs);
}

.coi-vs {
  font-family: var(--font);
  font-size: 14px;
  font-weight: 600;
  color: var(--iron);
  text-transform: uppercase;
  letter-spacing: 2px;
  position: relative;
}

.coi-right { position: relative; text-align: right; }
.coi-invest-label {
  font-family: var(--font);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--signal-green);
  margin-bottom: var(--space-xs);
}
.coi-invest-amount {
  font-family: var(--font);
  font-size: clamp(36px, 4vw, 52px);
  font-weight: 800;
  color: var(--signal-green);
  letter-spacing: -1px;
  line-height: 1;
}
.coi-invest-detail {
  font-family: var(--font);
  font-size: 14px;
  font-weight: 300;
  color: var(--slate);
  margin-top: var(--space-xs);
}
.coi-source {
  font-family: var(--font);
  font-size: 12px;
  font-weight: 300;
  color: var(--iron);
  margin-top: var(--space-md);
}

/* ===== APPROACH / PHASES SECTION ===== */
.phases-container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: var(--space-xl);
}

.phase-card {
  background: var(--charcoal);
  border: 1px solid rgba(74, 144, 217, 0.1);
  border-radius: var(--radius);
  padding: var(--space-lg);
  position: relative;
  transition: all 0.3s;
}
.phase-card:hover {
  border-color: var(--steel-blue);
  transform: translateY(-4px);
}

.phase-tag {
  font-family: var(--font);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--iron);
  margin-bottom: var(--space-xs);
}
.phase-name {
  font-family: var(--font);
  font-size: 20px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: var(--space-sm);
  line-height: 1.2;
}
.phase-time {
  font-family: var(--font);
  font-size: 12px;
  font-weight: 300;
  color: var(--steel-blue);
  margin-bottom: var(--space-md);
}
.phase-items {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.phase-items li {
  font-size: 13px;
  font-weight: 300;
  color: var(--slate);
  padding-left: 16px;
  position: relative;
  line-height: 1.5;
}
.phase-items li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--steel-blue);
}

/* ===== AI CAPABILITIES SECTION ===== */
.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: var(--space-xl);
}

.cap-card {
  background: var(--snow);
  border: 1px solid var(--mist);
  border-radius: var(--radius);
  padding: var(--space-md);
  transition: all 0.3s;
}
.cap-card:hover {
  border-color: var(--steel-blue);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(10, 22, 40, 0.06);
}

.cap-num {
  font-family: var(--font);
  font-size: 28px;
  font-weight: 800;
  color: var(--ice-blue);
  line-height: 1;
  margin-bottom: var(--space-sm);
}
.cap-name {
  font-family: var(--font);
  font-size: 15px;
  font-weight: 600;
  color: var(--midnight);
  margin-bottom: 8px;
  line-height: 1.3;
}
.cap-desc {
  font-size: 13px;
  font-weight: 300;
  color: var(--slate);
  line-height: 1.6;
}

/* ===== WORKFLOW REDESIGN SECTION ===== */
.workflows-container {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: var(--space-xl);
}

.wf-card {
  background: var(--white);
  border: 1px solid var(--mist);
  border-radius: var(--radius);
  padding: var(--space-lg);
  transition: all 0.3s;
}
.wf-card:hover {
  border-color: var(--steel-blue);
  box-shadow: 0 8px 24px rgba(10, 22, 40, 0.06);
}

.wf-heading {
  font-family: var(--font);
  font-size: 18px;
  font-weight: 600;
  color: var(--midnight);
  margin-bottom: var(--space-md);
  line-height: 1.2;
}

.wf-before, .wf-after {
  padding: var(--space-sm) 0;
}
.wf-label {
  font-family: var(--font);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 6px;
}
.wf-before .wf-label { color: var(--error-red); }
.wf-after .wf-label { color: var(--signal-green); }

.wf-text {
  font-size: 14px;
  font-weight: 300;
  color: var(--slate);
  line-height: 1.65;
}

.wf-divider {
  height: 1px;
  background: var(--mist);
  margin: 4px 0;
}

/* ===== WHY CASSEL SECTION ===== */
.diff-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: var(--space-xl);
}

.diff-card {
  padding: var(--space-lg) 0;
  border-top: 2px solid var(--steel-blue);
}
.diff-name {
  font-family: var(--font);
  font-size: 18px;
  font-weight: 600;
  color: var(--midnight);
  margin-bottom: var(--space-sm);
  line-height: 1.2;
}
.diff-desc {
  font-size: 14px;
  font-weight: 300;
  color: var(--slate);
  line-height: 1.7;
}

/* ===== FAILURE MODES SECTION ===== */
.failure-header {
  max-width: 700px;
  margin-bottom: var(--space-xl);
}
.failure-stat {
  font-family: var(--font);
  font-size: clamp(48px, 6vw, 72px);
  font-weight: 800;
  color: var(--white);
  line-height: 1;
  letter-spacing: -2px;
  margin-bottom: var(--space-sm);
}
.failure-stat .pct { color: var(--alert-amber); }

.failure-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.failure-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  background: var(--charcoal);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: all 0.3s;
}
.failure-row:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.failure-problem, .failure-solution {
  padding: var(--space-md);
}
.failure-problem {
  border-right: 1px solid rgba(74, 144, 217, 0.1);
}
.failure-col-label {
  font-family: var(--font);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.failure-problem .failure-col-label { color: var(--error-red); }
.failure-solution .failure-col-label { color: var(--signal-green); }

.failure-text {
  font-size: 13px;
  font-weight: 300;
  color: var(--slate);
  line-height: 1.6;
}

/* ===== INVESTMENT SECTION ===== */
.invest-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: var(--space-xl);
}

.invest-card {
  background: var(--charcoal);
  border: 1px solid rgba(74, 144, 217, 0.1);
  border-radius: var(--radius);
  padding: var(--space-lg);
  transition: all 0.3s;
}
.invest-card:hover {
  border-color: var(--steel-blue);
  transform: translateY(-3px);
}

.invest-icon {
  font-family: var(--font);
  font-size: 20px;
  font-weight: 300;
  color: var(--steel-blue);
  margin-bottom: var(--space-sm);
}
.invest-name {
  font-family: var(--font);
  font-size: 18px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: var(--space-sm);
  line-height: 1.2;
}
.invest-desc {
  font-size: 14px;
  font-weight: 300;
  color: var(--slate);
  line-height: 1.7;
}

.invest-coi {
  margin-top: var(--space-xl);
  padding: var(--space-lg);
  background: rgba(74, 144, 217, 0.06);
  border: 1px solid rgba(74, 144, 217, 0.12);
  border-radius: var(--radius);
  text-align: center;
}
.invest-coi-text {
  font-family: var(--font);
  font-size: 15px;
  font-weight: 400;
  color: var(--slate);
  line-height: 1.7;
  max-width: 700px;
  margin: 0 auto;
}

/* ===== CTA SECTION ===== */
.cta-section {
  text-align: center;
  padding: var(--space-2xl) 40px;
  background: var(--snow);
  position: relative;
}
.cta-inner {
  max-width: 680px;
  margin: 0 auto;
}
.cta-title {
  font-family: var(--font);
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 800;
  color: var(--midnight);
  letter-spacing: -1px;
  line-height: 1.1;
  margin-bottom: var(--space-md);
}
.cta-desc {
  font-size: 16px;
  font-weight: 300;
  color: var(--slate);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
}
.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.cta-source {
  font-family: var(--font);
  font-size: 12px;
  font-weight: 300;
  color: var(--iron);
  margin-top: var(--space-lg);
  letter-spacing: 0.3px;
}
.cta-availability {
  display: inline-block;
  font-family: var(--font);
  font-size: 12px;
  font-weight: 600;
  color: var(--steel-blue);
  background: rgba(74, 144, 217, 0.08);
  padding: 8px 20px;
  border-radius: 20px;
  margin-bottom: var(--space-md);
  letter-spacing: 0.5px;
}

/* ===== FOOTER ===== */
.footer {
  background: var(--midnight);
  padding: var(--space-xl) 40px;
  border-top: 1px solid rgba(74, 144, 217, 0.08);
}
.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.footer-brand {
  font-family: var(--font);
  font-size: 18px;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.footer-brand .n { font-weight: 300; color: var(--white); }
.footer-brand .s { font-weight: 300; color: var(--steel-blue); }

.footer-tagline {
  font-family: var(--font);
  font-size: 12px;
  font-weight: 300;
  color: var(--iron);
  margin-top: 4px;
}

.footer-nav {
  display: flex;
  gap: 24px;
}
.footer-nav a {
  font-family: var(--font);
  font-size: 12px;
  font-weight: 400;
  color: var(--iron);
  text-decoration: none;
  transition: color 0.3s;
}
.footer-nav a:hover { color: var(--white); }

.footer-copy {
  font-family: var(--font);
  font-size: 12px;
  font-weight: 300;
  color: rgba(107, 123, 141, 0.5);
  width: 100%;
  text-align: center;
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid rgba(74, 144, 217, 0.05);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .forces-grid,
  .capabilities-grid { grid-template-columns: repeat(2, 1fr); }
  .phases-container { grid-template-columns: repeat(2, 1fr); }
  .invest-grid { grid-template-columns: repeat(2, 1fr); }
  .failure-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .section, .hero, .cta-section, .footer, .founder-section { padding-left: 24px; padding-right: 24px; }
  .nav { padding: 16px 24px; }
  .nav.scrolled { padding: 12px 24px; }
  .nav-links { display: none; }
  .nav-toggle { display: block; }

  .forces-grid,
  .capabilities-grid,
  .phases-container,
  .workflows-container,
  .diff-grid,
  .invest-grid { grid-template-columns: 1fr; }

  .hero-stats { flex-direction: column; gap: var(--space-md); }

  .coi-banner {
    flex-direction: column;
    text-align: center;
    padding: var(--space-lg);
  }
  .coi-right { text-align: center; }

  .failure-row { grid-template-columns: 1fr; }
  .failure-problem { border-right: none; border-bottom: 1px solid rgba(74, 144, 217, 0.1); }

  .footer-inner { flex-direction: column; text-align: center; }
  .footer-nav { flex-wrap: wrap; justify-content: center; }
}