/* ═══════════════════════════════════════════════════════════════
   BPOptima Design System v2 — High-Trust Enterprise Light Mode
   Clinical precision. Institutional credibility.
   For Tier-1 banks, healthcare, insurance.
   ═══════════════════════════════════════════════════════════════ */

/* ── Fonts ──────────────────────────────────────────────────── */
:root {
  --font-display: 'General Sans', 'Helvetica Neue', sans-serif;
  --font-body: 'Satoshi', 'Helvetica Neue', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

/* ── Type Scale ─────────────────────────────────────────────── */
:root {
  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem    + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1.2rem  + 1.25vw, 2.25rem);
  --text-2xl:  clamp(2rem,     1.2rem  + 2.5vw,  3.5rem);
  --text-3xl:  clamp(2.5rem,   1rem    + 4vw,    5rem);
}

/* ── Spacing ────────────────────────────────────────────────── */
:root {
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;
}

/* ── Radius & Transitions ───────────────────────────────────── */
:root {
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 400ms cubic-bezier(0.16, 1, 0.3, 1);
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;
}

/* ═══════════════════════════════════════════════════════════════
   COLOR SYSTEM — High-Trust Enterprise
   Light-mode-first. Clean, clinical, institutional.
   Deep corporate blue + crisp white + subtle cool grays.
   ═══════════════════════════════════════════════════════════════ */

:root, [data-theme="light"] {
  --color-bg:              #FFFFFF;
  --color-surface:         #F8FAFC;
  --color-surface-2:       #F0F6FA;
  --color-surface-3:       #E8F0F8;
  --color-border:          #E2E8F0;
  --color-border-strong:   #CBD5E1;
  --color-divider:         #F1F5F9;

  --color-text:            #0F172A;
  --color-text-muted:      #475569;
  --color-text-faint:      #94A3B8;

  /* Primary: Corporate Blue (matched from pitch decks) */
  --color-primary:         #0B5FAE;
  --color-primary-hover:   #084A8A;
  --color-primary-light:   #E8F1FB;
  --color-primary-text:    #0B5FAE;

  /* Accent: Light blue (from deck card backgrounds) */
  --color-accent:          #0B5FAE;
  --color-accent-light:    #E8F4FD;
  --color-accent-text:     #0B5FAE;

  --color-success:         #059669;
  --color-success-light:   #ECFDF5;
  --color-error:           #DC2626;
  --color-warning:         #D97706;

  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 12px 32px rgba(15, 23, 42, 0.08);
  --shadow-card: 0 1px 3px rgba(15, 23, 42, 0.04), 0 0 0 1px rgba(15, 23, 42, 0.04);
}

/* Dark mode available but NOT the default */
[data-theme="dark"] {
  --color-bg:              #0C1220;
  --color-surface:         #111827;
  --color-surface-2:       #1A2332;
  --color-surface-3:       #1E293B;
  --color-border:          rgba(255, 255, 255, 0.08);
  --color-border-strong:   rgba(255, 255, 255, 0.14);
  --color-divider:         rgba(255, 255, 255, 0.04);

  --color-text:            #E2E8F0;
  --color-text-muted:      #94A3B8;
  --color-text-faint:      #64748B;

  --color-primary:         #38A3C6;
  --color-primary-hover:   #2D8FAE;
  --color-primary-light:   rgba(56, 163, 198, 0.1);
  --color-primary-text:    #38A3C6;

  --color-accent:          #2DD4BF;
  --color-accent-light:    rgba(45, 212, 191, 0.08);
  --color-accent-text:     #2DD4BF;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.5);
  --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(255,255,255,0.06);
}

/* ═══════════════════════════════════════════════════════════════
   GLOBAL NAV — Clean institutional header
   ═══════════════════════════════════════════════════════════════ */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: var(--space-4) var(--space-6);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px) saturate(1.2);
  -webkit-backdrop-filter: blur(16px) saturate(1.2);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition-slow);
}

[data-theme="dark"] .nav {
  background: rgba(12, 18, 32, 0.92);
}

.nav--scrolled {
  box-shadow: var(--shadow-sm);
}

.nav__inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.nav__logo-img {
  height: 32px;
  width: auto;
  display: block;
}

[data-theme="dark"] .nav__logo-img {
  filter: invert(1);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  list-style: none;
}

.nav__link {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  letter-spacing: 0.02em;
  padding: var(--space-1) 0;
}

.nav__link:hover {
  color: var(--color-text);
}

.nav__cta {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  color: #FFFFFF;
  background: var(--color-primary);
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-sm);
  text-decoration: none;
  letter-spacing: 0.01em;
}

.nav__cta:hover {
  background: var(--color-primary-hover);
}

.nav__theme-toggle {
  color: var(--color-text-faint);
  padding: var(--space-2);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
}

.nav__theme-toggle:hover {
  color: var(--color-text-muted);
  background: var(--color-surface);
}

.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
}

.nav__hamburger span {
  width: 20px;
  height: 1.5px;
  background: var(--color-text-muted);
  transition: all var(--transition-interactive);
}

@media (max-width: 768px) {
  .nav__hamburger { display: flex; }
  .nav__links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--color-bg);
    padding: var(--space-6);
    gap: var(--space-4);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
  }
  .nav__links--open { display: flex; }
  .nav__link { font-size: var(--text-sm); }
  .nav__cta { text-align: center; display: block; }
}

/* ═══════════════════════════════════════════════════════════════
   HERO — High-trust enterprise hero
   Crisp white bg, clinical precision, institutional authority
   ═══════════════════════════════════════════════════════════════ */

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: calc(var(--space-32) + var(--space-8)) var(--space-6) var(--space-16);
  background: var(--color-bg);
}

/* Canvas hero background — data routing visualization */
.hero__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.hero__inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: var(--space-16);
  align-items: center;
  position: relative;
  z-index: 1;
}

@media (max-width: 900px) {
  .hero__inner {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }
}

.hero__content {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

/* Eyebrow — Understand → Decide → Route */
.hero__eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-accent-text);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.hero__eyebrow-step {
  opacity: 0.4;
  transition: opacity var(--transition-slow), color var(--transition-slow);
}

.hero__eyebrow-step--active {
  opacity: 1;
  font-weight: 600;
}

.hero__eyebrow-divider {
  width: 20px;
  height: 1px;
  background: var(--color-accent-text);
  opacity: 0.3;
}

/* Headline */
.hero__headline {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.08;
  letter-spacing: -0.025em;
}

/* Sub-headline — the pitch deck language */
.hero__sub {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.7;
  max-width: 52ch;
}

.hero__sub strong {
  color: var(--color-text);
  font-weight: 600;
}

/* Workflow: Understand → Decide → Route (visual) */
.hero__workflow {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-4) 0;
}

.hero__workflow-step {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
}

.hero__workflow-num {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-accent-text);
  font-weight: 500;
}

.hero__workflow-label {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: 0.01em;
}

.hero__workflow-arrow {
  color: var(--color-text-faint);
  font-size: var(--text-sm);
  padding: 0 var(--space-1);
}

@media (max-width: 600px) {
  .hero__workflow { flex-wrap: wrap; }
}

/* CTAs */
.hero__ctas {
  display: flex;
  gap: var(--space-4);
  align-items: center;
  flex-wrap: wrap;
  padding-top: var(--space-2);
}

.btn-primary {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  color: #FFFFFF;
  background: var(--color-primary);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-sm);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  letter-spacing: 0.01em;
}

.btn-primary:hover {
  background: var(--color-primary-hover);
  box-shadow: var(--shadow-md);
}

.btn-primary svg {
  width: 16px;
  height: 16px;
}

.btn-ghost {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  padding: var(--space-3) var(--space-5);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.btn-ghost:hover {
  color: var(--color-text);
  border-color: var(--color-text-muted);
  background: var(--color-surface);
}

/* Trust bar */
.hero__trust {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  padding-top: var(--space-4);
  flex-wrap: wrap;
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-2);
}

.hero__trust-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-weight: 500;
}

.hero__trust-icon {
  width: 18px;
  height: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-light);
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.hero__trust-icon svg {
  width: 11px;
  height: 11px;
  color: var(--color-accent-text);
}

/* Right side — Decision Stack visual */
.hero__visual {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

@media (max-width: 900px) {
  .hero__visual {
    max-width: 500px;
  }
}

.stack-layer {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-5);
  display: flex;
  align-items: center;
  gap: var(--space-4);
  transition: all var(--transition-slow);
  cursor: default;
}

.stack-layer:hover {
  border-color: var(--color-border-strong);
  box-shadow: var(--shadow-card);
  transform: translateX(3px);
}

.stack-layer__number {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-accent-text);
  opacity: 0.5;
  min-width: 20px;
}

.stack-layer__name {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  flex: 1;
}

.stack-layer__desc {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  max-width: 28ch;
  text-align: right;
}

.stack-layer--active {
  border-color: var(--color-accent);
  background: var(--color-accent-light);
}

.stack-layer--active .stack-layer__number {
  opacity: 1;
}

.stack-connector {
  width: 1px;
  height: 8px;
  background: var(--color-border);
  margin-left: 28px;
}

/* ═══════════════════════════════════════════════════════════════
   SCROLL REVEAL
   ═══════════════════════════════════════════════════════════════ */

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal--visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-stagger > .reveal:nth-child(1) { transition-delay: 0ms; }
.reveal-stagger > .reveal:nth-child(2) { transition-delay: 60ms; }
.reveal-stagger > .reveal:nth-child(3) { transition-delay: 120ms; }
.reveal-stagger > .reveal:nth-child(4) { transition-delay: 180ms; }
.reveal-stagger > .reveal:nth-child(5) { transition-delay: 240ms; }
.reveal-stagger > .reveal:nth-child(6) { transition-delay: 300ms; }
.reveal-stagger > .reveal:nth-child(7) { transition-delay: 360ms; }
.reveal-stagger > .reveal:nth-child(8) { transition-delay: 420ms; }
.reveal-stagger > .reveal:nth-child(9) { transition-delay: 480ms; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ═══════════════════════════════════════════════════════════════
   UTILITIES
   ═══════════════════════════════════════════════════════════════ */

.container {
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.section {
  padding-block: clamp(var(--space-16), 8vw, var(--space-32));
}

.section--alt {
  background: var(--color-surface);
}

.section__eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-accent-text);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}

.section__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-6);
}

.section__lead {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 60ch;
  line-height: 1.65;
}

/* ── HERO METRICS ROW ───────────────────────────────────────── */

.hero__metrics {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  flex-wrap: wrap;
}

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

.hero__metric-value {
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-primary-text);
  letter-spacing: -0.02em;
}

.hero__metric-label {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

.hero__metric-sep {
  width: 1px;
  height: 28px;
  background: var(--color-border);
  flex-shrink: 0;
}

/* ── SOCIAL PROOF BAR ──────────────────────────────────────── */

.proof-bar {
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
  padding: var(--space-5) 0;
}

.proof-bar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  flex-wrap: wrap;
}

.proof-bar__text {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.5;
  max-width: 60ch;
}

.proof-bar__badges {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
  flex-wrap: wrap;
}

.proof-bar__badge {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.03em;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.proof-bar__badge--primary {
  background: var(--color-primary-light);
  color: var(--color-primary-text);
  font-weight: 600;
}

.proof-bar__badge--ghost {
  background: transparent;
  color: var(--color-text-faint);
  border: 1px solid var(--color-border);
}

/* ═══════════════════════════════════════════════════════════════
   SECTION 1: THE PROBLEM
   ═══════════════════════════════════════════════════════════════ */

/* ── EDITORIAL PROBLEM LAYOUT ─────────────────────────────── */

.problem-headline {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.02;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-4);
}

.problem-lead {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: var(--space-16);
  max-width: 50ch;
}

.problem-editorial {
  display: flex;
  flex-direction: column;
  gap: var(--space-12);
  max-width: 720px;
}

.problem-editorial__item {
  display: flex;
  gap: var(--space-6);
  padding-left: var(--space-2);
}

/* Stagger: offset items to break the grid */
.problem-editorial__item[data-index="1"] {
  margin-left: 8%;
}
.problem-editorial__item[data-index="2"] {
  margin-left: 16%;
}

@media (max-width: 768px) {
  .problem-editorial__item[data-index="1"],
  .problem-editorial__item[data-index="2"] {
    margin-left: 0;
  }
}

/* Animated left border */
.problem-editorial__border {
  width: 2px;
  background: var(--color-primary);
  flex-shrink: 0;
  border-radius: 1px;
  height: 0;
  transition: height 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  transition-delay: 0.1s;
}

.problem-editorial__item--visible .problem-editorial__border {
  height: 100%;
}

/* Add delay per item */
.problem-editorial__item[data-index="1"] .problem-editorial__border {
  transition-delay: 0.25s;
}
.problem-editorial__item[data-index="2"] .problem-editorial__border {
  transition-delay: 0.45s;
}

.problem-editorial__content {
  padding: var(--space-2) 0;
}

.problem-editorial__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-3);
}

.problem-editorial__body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.65;
  max-width: 50ch;
}

.problem-quote {
  margin-top: var(--space-12);
  padding: var(--space-6) var(--space-8);
  border-left: 3px solid var(--color-primary);
  background: var(--color-bg);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-text);
  line-height: 1.4;
  letter-spacing: -0.015em;
  box-shadow: var(--shadow-card);
  max-width: 100%;
}

/* ═══════════════════════════════════════════════════════════════
   SECTION 2: THE SOLUTION — STICKY-SCROLL NARRATIVE
   ═══════════════════════════════════════════════════════════════ */

.sticky-section {
  padding-bottom: 0;
}

.sticky-scroll {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  margin-top: var(--space-12);
}

@media (max-width: 900px) {
  .sticky-scroll {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  .sticky-scroll__visual {
    position: static !important;
    top: auto !important;
  }
}

/* Left: scrolling narrative */
.sticky-scroll__narrative {
  display: flex;
  flex-direction: column;
}

.scroll-step {
  min-height: 70vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--space-8) 0;
}

@media (max-width: 900px) {
  .scroll-step {
    min-height: auto;
    padding: var(--space-10) 0;
  }
}

.scroll-step__num {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-primary);
  font-weight: 500;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-4);
  display: block;
}

.scroll-step__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-4);
}

.scroll-step__body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.7;
  max-width: 48ch;
  margin-bottom: var(--space-3);
}

.scroll-step__detail {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  line-height: 1.5;
  max-width: 44ch;
}

/* Right: sticky engine panel */
.sticky-scroll__visual {
  position: sticky;
  top: 20vh;
  height: fit-content;
  align-self: start;
}

.engine-panel {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.engine-panel__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-6);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
}

.engine-panel__label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text);
  font-weight: 500;
  letter-spacing: 0.04em;
}

.engine-panel__status {
  font-family: var(--font-mono);
  font-size: 11px;
  color: #059669;
  background: #ECFDF5;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-weight: 500;
}

[data-theme="dark"] .engine-panel__status {
  background: rgba(5, 150, 105, 0.15);
}

.engine-panel__body {
  display: flex;
  padding: var(--space-6);
  gap: var(--space-5);
}

/* Vertical progress bar */
.engine-progress {
  width: 3px;
  background: var(--color-border);
  border-radius: 2px;
  position: relative;
  flex-shrink: 0;
}

.engine-progress__fill {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 33%;
  background: var(--color-primary);
  border-radius: 2px;
  transition: height 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.engine-steps {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  flex: 1;
}

.engine-step {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  opacity: 0.35;
  transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.engine-step--active {
  opacity: 1;
}

.engine-step__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-border);
  margin-top: 4px;
  flex-shrink: 0;
  transition: background 0.4s, box-shadow 0.4s;
}

.engine-step--active .engine-step__dot {
  background: var(--color-primary);
  box-shadow: 0 0 0 4px var(--color-primary-light);
}

.engine-step__info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.engine-step__name {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
}

.engine-step__desc {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

/* Engine panel JSON output */
.engine-panel__output {
  padding: 0 var(--space-6) var(--space-4);
}

.engine-panel__output-label {
  font-family: var(--font-body);
  font-size: 11px;
  color: var(--color-text-faint);
  line-height: 1.4;
  margin-bottom: var(--space-3);
  max-width: 100%;
}

.engine-panel__code {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.6;
  color: var(--color-text-muted);
  overflow-x: auto;
  white-space: pre;
  margin: 0;
}

[data-theme="dark"] .engine-panel__code {
  background: rgba(0, 0, 0, 0.2);
}

.json-key { color: var(--color-primary-text); }
.json-str { color: #059669; }
.json-num { color: #D97706; }
.json-null { color: var(--color-text-faint); }

[data-theme="dark"] .json-str { color: #34D399; }
[data-theme="dark"] .json-num { color: #FBBF24; }

.engine-panel__footer {
  display: flex;
  gap: var(--space-4);
  padding: var(--space-3) var(--space-6);
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
  flex-wrap: wrap;
}

.engine-panel__footer span {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-text-faint);
  letter-spacing: 0.02em;
}

/* ═══════════════════════════════════════════════════════════════
   SECTION 3: WHY GENERAL AI FAILS — COMPARISON
   ═══════════════════════════════════════════════════════════════ */

.comparison {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 0;
  margin-top: var(--space-12);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

@media (max-width: 768px) {
  .comparison {
    grid-template-columns: 1fr;
  }
  .comparison__divider {
    display: none;
  }
}

.comparison__col {
  padding: var(--space-8);
}

.comparison__col--right {
  background: var(--color-accent-light);
}

[data-theme="dark"] .comparison__col--right {
  background: var(--color-primary-light);
}

.comparison__header {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.02em;
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-6);
}

.comparison__header--muted {
  color: var(--color-text-faint);
}

.comparison__header--primary {
  color: var(--color-primary-text);
}

.comparison__divider {
  width: 1px;
  background: var(--color-border);
  margin: var(--space-8) 0;
}

.comparison__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.comparison__item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  line-height: 1.4;
  max-width: 100%;
}

.comparison__item--no {
  color: var(--color-text-muted);
  opacity: 0.7;
}

.comparison__item--yes {
  color: var(--color-text);
  font-weight: 500;
}

.comparison__icon {
  width: 20px;
  height: 20px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.comparison__icon--no {
  background: #FEE2E2;
  color: #DC2626;
}

[data-theme="dark"] .comparison__icon--no {
  background: rgba(220, 38, 38, 0.15);
  color: #F87171;
}

.comparison__icon--no svg {
  width: 10px;
  height: 10px;
}

.comparison__icon--yes {
  background: var(--color-success-light);
  color: var(--color-success);
}

[data-theme="dark"] .comparison__icon--yes {
  background: rgba(5, 150, 105, 0.15);
}

.comparison__icon--yes svg {
  width: 10px;
  height: 10px;
}

/* ═══════════════════════════════════════════════════════════════
   SECTION 4: INDUSTRIES
   ═══════════════════════════════════════════════════════════════ */

.industries-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  margin-top: var(--space-12);
}

@media (max-width: 768px) {
  .industries-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
}

.industry-block {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.industry-block__header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding-bottom: var(--space-4);
  border-bottom: 2px solid var(--color-primary);
}

.industry-block__icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-light);
  border-radius: var(--radius-sm);
  color: var(--color-primary-text);
  flex-shrink: 0;
}

.industry-block__icon svg {
  width: 18px;
  height: 18px;
}

.industry-block__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: -0.015em;
}

.industry-block__cards {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.industry-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5) var(--space-6);
  box-shadow: var(--shadow-card);
  transition: border-color var(--transition-slow), box-shadow var(--transition-slow);
}

.industry-card:hover {
  border-color: var(--color-border-strong);
  box-shadow: var(--shadow-md);
}

.industry-card__title {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-primary-text);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: var(--space-2);
}

.industry-card__body {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
  max-width: 100%;
}

.industries-tagline {
  margin-top: var(--space-10);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-weight: 500;
  text-align: center;
  padding: var(--space-4) var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  max-width: 100%;
}

/* ═══════════════════════════════════════════════════════════════
   SECTION 5: PRODUCTION-FIRST
   ═══════════════════════════════════════════════════════════════ */

.guarantee-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-12);
}

@media (max-width: 600px) {
  .guarantee-grid {
    grid-template-columns: 1fr;
  }
}

.guarantee-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  box-shadow: var(--shadow-card);
  transition: border-color var(--transition-slow), box-shadow var(--transition-slow);
}

.guarantee-card:hover {
  border-color: var(--color-border-strong);
  box-shadow: var(--shadow-md);
}

.guarantee-card__icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-light);
  border-radius: var(--radius-sm);
  color: var(--color-primary-text);
  margin-bottom: var(--space-4);
}

.guarantee-card__icon svg {
  width: 20px;
  height: 20px;
}

.guarantee-card__title {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: -0.01em;
  margin-bottom: var(--space-3);
}

.guarantee-card__body {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
  max-width: 100%;
}

.production-tagline {
  margin-top: var(--space-10);
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: -0.01em;
  text-align: center;
}

.metrics-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin-top: var(--space-8);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

@media (max-width: 600px) {
  .metrics-row {
    flex-direction: column;
  }
  .metric__divider {
    width: 80%;
    height: 1px !important;
  }
}

.metric {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-6) var(--space-8);
}

.metric__value {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-primary-text);
  letter-spacing: -0.02em;
  line-height: 1;
}

.metric__label {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.metric__divider {
  width: 1px;
  height: 48px;
  background: var(--color-border);
  flex-shrink: 0;
}

/* ═══════════════════════════════════════════════════════════════
   SECTION 6: FOUNDER
   ═══════════════════════════════════════════════════════════════ */

.founder-block {
  display: flex;
  align-items: flex-start;
  gap: var(--space-10);
  max-width: 720px;
  margin-top: var(--space-8);
}

.founder-block__text {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.founder-block__name {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: -0.02em;
  margin-bottom: 0;
}

.founder-block__role {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-primary-text);
  font-weight: 500;
}

.founder-block__bio {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.7;
  max-width: 65ch;
  margin-top: var(--space-2);
}

.founder-block__footer {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
}

.founder-badge {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-primary-text);
  background: var(--color-accent-light);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-full);
  padding: var(--space-1) var(--space-4);
  letter-spacing: 0.02em;
}

.founder-email {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-interactive);
}

.founder-email:hover {
  color: var(--color-primary-text);
}

/* ═══════════════════════════════════════════════════════════════
   SECTION 7: CONTACT / CTA
   ═══════════════════════════════════════════════════════════════ */

.contact-section {
  background: var(--color-accent-light);
}

[data-theme="dark"] .contact-section {
  background: var(--color-primary-light);
}

.contact-inner {
  max-width: 640px;
  margin: 0 auto;
}

.contact-headline {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-3);
}

.contact-sub {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.65;
  margin-bottom: var(--space-8);
  max-width: 55ch;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  box-shadow: var(--shadow-md);
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-label {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.form-input {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text);
  background: var(--color-bg);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  padding: var(--space-3) var(--space-4);
  width: 100%;
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive);
}

.form-input::placeholder {
  color: var(--color-text-faint);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(11, 95, 174, 0.12);
}

[data-theme="dark"] .form-input:focus {
  box-shadow: 0 0 0 3px rgba(56, 163, 198, 0.15);
}

.form-textarea {
  resize: vertical;
  min-height: 96px;
  line-height: 1.6;
}

.form-submit {
  align-self: flex-start;
  margin-top: var(--space-2);
  cursor: pointer;
  border: none;
  font-size: var(--text-sm);
}

.contact-trust {
  margin-top: var(--space-6);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
  text-align: center;
}

/* ═══════════════════════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════════════════════ */

.footer {
  background: #0F172A;
  color: #E2E8F0;
  padding-block: var(--space-12);
}

[data-theme="dark"] .footer {
  background: #060D1A;
}

.footer .container {
  display: flex;
  flex-direction: column;
  gap: var(--space-10);
}

.footer__top {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: var(--space-10);
  align-items: start;
}

@media (max-width: 768px) {
  .footer__top {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
}

.footer__brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__logo {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
  color: #FFFFFF;
  letter-spacing: -0.01em;
}

.footer__tagline {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: #64748B;
  line-height: 1.5;
  max-width: 36ch;
}

.footer__nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  align-items: center;
}

@media (max-width: 768px) {
  .footer__nav {
    align-items: flex-start;
    flex-direction: row;
    flex-wrap: wrap;
    gap: var(--space-4) var(--space-6);
  }
}

.footer__link {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  color: #94A3B8;
  text-decoration: none;
  letter-spacing: 0.01em;
  transition: color var(--transition-interactive);
}

.footer__link:hover {
  color: #E2E8F0;
}

.footer__contact {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  text-align: right;
}

@media (max-width: 768px) {
  .footer__contact {
    text-align: left;
  }
}

.footer__contact-name {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  color: #E2E8F0;
  max-width: 100%;
}

.footer__contact-location {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: #64748B;
  max-width: 100%;
}

.footer__contact-email {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: #94A3B8;
  text-decoration: none;
  transition: color var(--transition-interactive);
}

.footer__contact-email:hover {
  color: #E2E8F0;
}

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-3);
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer__legal {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: #475569;
  max-width: 100%;
}

.footer__compliance {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: #475569;
  letter-spacing: 0.03em;
  max-width: 100%;
}