/* ============================================================
   SCROLL SECTIONS — pinned cinematic scroll
   ============================================================ */
html { scroll-behavior: smooth; scroll-snap-type: y proximity; }
body { overflow-x: hidden; }

.stage,
.scroll-section { scroll-snap-align: start; scroll-snap-stop: normal; }

/* The hero stage is intentionally min-height: 100vh; let it snap on its own
   then the scroll sections snap one at a time. */
.stage { min-height: 100dvh; scroll-snap-align: start; }

.scroll-section {
  position: relative;
  min-height: 100dvh;
  display: grid;
  align-items: center;
  padding: clamp(var(--space-12), 8vw, var(--space-24)) clamp(var(--space-6), 5vw, var(--space-16));
  border-top: 1px solid color-mix(in oklab, var(--color-text) 8%, transparent);
}

.scroll-section .sect-meta {
  position: absolute;
  top: clamp(var(--space-6), 4vw, var(--space-10));
  left: clamp(var(--space-6), 5vw, var(--space-16));
  display: flex; gap: var(--space-3); align-items: baseline;
  font-family: var(--font-mono); font-size: 0.7rem;
  color: var(--color-text-faint);
  letter-spacing: 0.18em; text-transform: uppercase;
}
.scroll-section .sect-meta .sect-num { color: var(--color-text); font-weight: 700; }

.scroll-section .sect-inner {
  width: min(100%, 70rem);
  margin-inline: auto;
  display: grid;
  gap: clamp(var(--space-6), 3vw, var(--space-10));
}

.sect-kicker {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-muted);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  margin: 0;
  display: flex; align-items: center; gap: var(--space-3);
}
.sect-kicker::before {
  content: "";
  width: 1.5rem; height: 1px;
  background: var(--color-text-muted);
  display: inline-block;
}

.sect-headline {
  font-family: var(--font-display);
  font-weight: var(--display-weight);
  letter-spacing: -0.025em;
  line-height: 1.05;
  margin: 0;
  font-size: clamp(2.25rem, 1rem + 4vw, 4.75rem);
  color: var(--color-text);
  text-wrap: pretty;
  max-width: 24ch;
}
.sect-headline em {
  font-style: normal;
  color: var(--color-primary);
}
.sect-headline-sm {
  font-size: clamp(1.75rem, 0.9rem + 2.5vw, 3rem);
  max-width: 36ch;
}

.sect-body {
  display: grid; gap: var(--space-5);
  max-width: 56ch;
  font-family: var(--font-body);
  font-size: clamp(1rem, 0.95rem + 0.4vw, 1.2rem);
  line-height: 1.55;
  color: var(--color-text-muted);
}
.sect-body p { margin: 0; }

/* ============================================================
   DEPLOYMENT CARDS / WORKFLOW
   ============================================================ */
.deploy-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(var(--space-4), 2vw, var(--space-6));
}

.deploy-card {
  display: grid;
  align-content: start;
  gap: var(--space-4);
  min-height: 15rem;
  padding: clamp(var(--space-5), 2vw, var(--space-8));
  border: 1px solid color-mix(in oklab, var(--color-text) 14%, transparent);
  border-radius: var(--radius-md);
  background:
    linear-gradient(145deg, color-mix(in oklab, var(--color-primary) 9%, transparent), transparent 46%),
    color-mix(in oklab, var(--color-surface) 70%, transparent);
  box-shadow: 0 1rem 3rem rgba(0, 0, 0, 0.16);
}

.deploy-card h3 {
  margin: 0;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 1rem + 1vw, 2rem);
  font-weight: var(--display-weight);
  letter-spacing: -0.015em;
  line-height: 1.1;
}

.deploy-card p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: var(--text-base);
  line-height: 1.5;
}

.workflow-steps {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0;
  list-style: none;
  counter-reset: mission-step;
  border-block: 1px solid color-mix(in oklab, var(--color-text) 14%, transparent);
}

.workflow-steps li {
  counter-increment: mission-step;
  display: grid;
  align-content: start;
  gap: var(--space-5);
  min-height: 11rem;
  padding: var(--space-6);
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 0.95rem + 0.45vw, 1.35rem);
  font-weight: 700;
  line-height: 1.18;
  border-right: 1px solid color-mix(in oklab, var(--color-text) 12%, transparent);
}

.workflow-steps li:last-child { border-right: 0; }

.workflow-steps li::before {
  content: counter(mission-step, decimal-leading-zero);
  color: var(--color-primary);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
}

/* ============================================================
   PILLARS — three columns
   ============================================================ */
.pillars {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(var(--space-6), 3vw, var(--space-10));
  margin-top: var(--space-4);
}

.pillar {
  display: grid;
  gap: var(--space-4);
  padding-top: var(--space-6);
  border-top: 1px solid color-mix(in oklab, var(--color-text) 18%, transparent);
}
.pillar-num {
  font-family: var(--font-mono); font-size: 0.75rem;
  color: var(--color-text-faint);
  letter-spacing: 0.2em; text-transform: uppercase;
}
.pillar-title {
  font-family: var(--font-display);
  font-weight: var(--display-weight);
  font-size: clamp(1.5rem, 1rem + 1vw, 2rem);
  letter-spacing: -0.015em;
  line-height: 1.1;
  margin: 0;
  color: var(--color-text);
  max-width: 16ch;
}
.pillar-body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.55;
  color: var(--color-text-muted);
  margin: 0;
  max-width: 36ch;
}

/* ============================================================
   NARRATIVE — long-form prose
   ============================================================ */
.narrative-inner { max-width: 60rem; }
.narrative {
  display: grid;
  gap: var(--space-5);
  font-family: var(--font-body);
  font-size: clamp(1.05rem, 0.95rem + 0.5vw, 1.3rem);
  line-height: 1.55;
  color: var(--color-text-muted);
  max-width: 56ch;
}
.narrative p { margin: 0; }
.narrative-lead {
  font-family: var(--font-display);
  font-weight: var(--display-weight);
  letter-spacing: -0.02em;
  line-height: 1.15;
  font-size: clamp(1.75rem, 1rem + 2vw, 2.75rem) !important;
  color: var(--color-text) !important;
  max-width: 28ch;
  margin-bottom: var(--space-4) !important;
}
.narrative-lead em { font-style: normal; color: var(--color-primary); }
.narrative-coda {
  padding-top: var(--space-5);
  border-top: 1px solid color-mix(in oklab, var(--color-text) 12%, transparent);
  color: var(--color-text);
}

/* ============================================================
   CTA / CONTACT
   ============================================================ */
.sect-cta { background: color-mix(in oklab, var(--color-surface) 50%, transparent); }
.cta-inner {
  text-align: left;
  max-width: 56rem;
  justify-items: start;
}
.cta-headline {
  font-family: var(--font-display);
  font-weight: var(--display-weight);
  font-size: clamp(2rem, 1rem + 3vw, 4rem);
  letter-spacing: -0.02em;
  line-height: 1.05;
  color: var(--color-text);
  margin: 0;
  max-width: 22ch;
  text-wrap: balance;
}
.cta-button {
  display: inline-flex; align-items: center; gap: var(--space-5);
  padding: clamp(var(--space-5), 1.4vw, var(--space-6)) clamp(var(--space-6), 2.2vw, var(--space-10));
  background: var(--color-text);
  color: var(--color-bg);
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.5rem, 1.1rem + 1.2vw, 2.25rem);
  letter-spacing: -0.015em;
  line-height: 1;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease;
}
.cta-button:hover {
  transform: translateY(-2px);
  background: var(--color-primary);
  color: var(--color-bg);
}
.cta-button-arrow {
  flex-shrink: 0;
  width: 0.85em;
  height: 0.85em;
  transition: transform 0.2s ease;
}
.cta-button:hover .cta-button-arrow { transform: translateX(4px); }

.cta-meta {
  display: flex; gap: var(--space-6); flex-wrap: wrap;
  font-family: var(--font-mono); font-size: 0.75rem;
  color: var(--color-text-faint);
  letter-spacing: 0.16em; text-transform: uppercase;
  margin-top: var(--space-4);
}

/* ============================================================
   SCROLL ENTER ANIMATIONS — subtle fade-up on scroll-in
   ============================================================ */
.scroll-section .sect-inner > * {
  opacity: 0;
  transform: translateY(1.5rem);
  transition: opacity 0.8s cubic-bezier(.2,.7,.2,1), transform 0.8s cubic-bezier(.2,.7,.2,1);
}
.scroll-section.is-visible .sect-inner > * { opacity: 1; transform: none; }
.scroll-section.is-visible .sect-inner > *:nth-child(2) { transition-delay: 0.08s; }
.scroll-section.is-visible .sect-inner > *:nth-child(3) { transition-delay: 0.16s; }
.scroll-section.is-visible .sect-inner > *:nth-child(4) { transition-delay: 0.24s; }
.scroll-section .sect-meta {
  opacity: 0;
  transition: opacity 0.6s ease 0.2s;
}
.scroll-section.is-visible .sect-meta { opacity: 1; }

/* ============================================================
   SCROLL INDICATOR — only on hero
   ============================================================ */
.scroll-hint {
  position: fixed;
  bottom: clamp(var(--space-4), 2vw, var(--space-6));
  left: 50%; transform: translateX(-50%);
  z-index: 5;
  display: flex; flex-direction: column; align-items: center; gap: var(--space-2);
  font-family: var(--font-mono); font-size: 0.65rem;
  color: var(--color-text-faint);
  letter-spacing: 0.24em; text-transform: uppercase;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.scroll-hint.is-hidden { opacity: 0; }
.scroll-hint::after {
  content: "";
  width: 1px; height: 1.5rem;
  background: linear-gradient(to bottom, var(--color-text-faint), transparent);
  animation: scroll-pulse 2s ease-in-out infinite;
}
@keyframes scroll-pulse {
  0%, 100% { transform: translateY(0); opacity: 0.4; }
  50% { transform: translateY(0.3rem); opacity: 1; }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (width < 900px) {
  .pillars,
  .deploy-grid,
  .workflow-steps { grid-template-columns: 1fr; gap: var(--space-8); }
  .workflow-steps { border-block: 0; }
  .workflow-steps li {
    min-height: auto;
    border-right: 0;
    border-top: 1px solid color-mix(in oklab, var(--color-text) 14%, transparent);
    padding-inline: 0;
  }
  .workflow-steps li:last-child {
    border-bottom: 1px solid color-mix(in oklab, var(--color-text) 14%, transparent);
  }
  .scroll-section { min-height: auto; padding-block: clamp(var(--space-12), 12vw, var(--space-20)); }
  .scroll-section .sect-meta { position: static; margin-bottom: var(--space-6); }
}