/* ===================================================
   SIGNALFLOW™ — AUTONOMOUS REVENUE INFRASTRUCTURE™
   styles.css — Dark Luxury Enterprise Design
   =================================================== */

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

:root {
  --bg:          #060A10;
  --bg-2:        #0C1220;
  --bg-3:        #111827;
  --surface:     rgba(255,255,255,0.04);
  --surface-hover: rgba(255,255,255,0.07);
  --border:      rgba(255,255,255,0.08);
  --border-light: rgba(255,255,255,0.14);

  --blue-bright: #0EA5E9;
  --blue-mid:    #1D6EE8;
  --blue-deep:   #1B4FCC;
  --blue-glow:   rgba(14,165,233,0.18);
  --cyan:        #22D3EE;

  --text-primary:   #F0F6FF;
  --text-secondary: #94A3B8;
  --text-muted:     #475569;

  --gradient-brand: linear-gradient(135deg, #1D6EE8 0%, #0EA5E9 50%, #22D3EE 100%);
  --gradient-dark:  linear-gradient(180deg, #060A10 0%, #0C1220 100%);

  --font-display: 'Syne', sans-serif;
  --font-body:    'DM Sans', sans-serif;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --shadow-glow: 0 0 40px rgba(14,165,233,0.25);
  --shadow-card: 0 4px 32px rgba(0,0,0,0.5);
  --shadow-button: 0 8px 32px rgba(14,165,233,0.35);

  --transition: 0.2s ease;
  --transition-slow: 0.4s ease;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  background: var(--bg);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ── TYPOGRAPHY ── */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.02em;
}

/* ── LAYOUT ── */
.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}
.container--narrow { max-width: 720px; }

/* ── SECTION BASE ── */
.section {
  padding: 96px 0;
}
.section-label {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--blue-bright);
  margin-bottom: 20px;
}
.section-heading {
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--text-primary);
  margin-bottom: 56px;
}

/* ── GRADIENT TEXT ── */
.gradient-text {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── BUTTONS ── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--gradient-brand);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 700;
  border-radius: 100px;
  text-decoration: none;
  transition: var(--transition);
  white-space: nowrap;
  cursor: pointer;
  border: none;
  box-shadow: var(--shadow-button);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(14,165,233,0.5);
}
.btn-primary:active { transform: translateY(0); }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: transparent;
  color: var(--text-primary);
  font-family: var(--font-display);
  font-weight: 600;
  border: 1.5px solid var(--border-light);
  border-radius: 100px;
  text-decoration: none;
  transition: var(--transition);
  white-space: nowrap;
  cursor: pointer;
}
.btn-ghost:hover {
  border-color: var(--blue-bright);
  color: var(--blue-bright);
  background: var(--blue-glow);
}

.btn-white {
  background: #fff !important;
  color: var(--bg) !important;
  box-shadow: 0 8px 32px rgba(255,255,255,0.2) !important;
}
.btn-white:hover {
  box-shadow: 0 12px 40px rgba(255,255,255,0.35) !important;
}

.btn-sm  { padding: 10px 22px; font-size: 13px; }
.btn-lg  { padding: 16px 32px; font-size: 15px; }
.btn-xl  { padding: 18px 36px; font-size: 16px; }
.btn-full { width: 100%; justify-content: center; }

.btn-arrow { font-size: 1.1em; transition: transform var(--transition); }
.btn-primary:hover .btn-arrow { transform: translateX(4px); }

/* ── NAV ── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(6,10,16,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-slow);
}
.nav.scrolled { border-bottom-color: var(--border); }
.nav-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo { text-decoration: none; display: flex; align-items: center; }
.logo-img { height: 36px; width: auto; object-fit: contain; }
.logo-text-fallback {
  align-items: baseline;
  gap: 1px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 22px;
}
.logo-signal { color: var(--text-secondary); }
.logo-flow { color: var(--blue-bright); }
.logo-text-fallback sup { font-size: 10px; color: var(--text-muted); margin-left: 1px; }
.nav-actions {
  display: flex;
  align-items: center;
  gap: 24px;
}
.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color var(--transition);
}
.nav-link:hover { color: var(--text-primary); }

/* ── HERO ── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.5;
}
.orb-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(29,110,232,0.4), transparent 70%);
  top: -100px; right: -200px;
  animation: orb-drift 12s ease-in-out infinite alternate;
}
.orb-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(14,165,233,0.25), transparent 70%);
  bottom: 0; left: -100px;
  animation: orb-drift 16s ease-in-out infinite alternate-reverse;
}
@keyframes orb-drift {
  from { transform: translate(0, 0); }
  to   { transform: translate(40px, -40px); }
}
.grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 0%, transparent 100%);
}
.hero .container {
  position: relative;
  z-index: 1;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: 100px;
  padding: 8px 16px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--blue-bright);
  margin-bottom: 32px;
  animation: fade-up 0.8s ease both;
}
.badge-dot {
  width: 7px; height: 7px;
  background: var(--blue-bright);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--blue-bright);
  animation: pulse-dot 2s ease infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.6; transform: scale(0.8); }
}
.hero-heading {
  font-size: clamp(3.5rem, 8vw, 7rem);
  line-height: 0.95;
  margin-bottom: 28px;
  animation: fade-up 0.8s 0.1s ease both;
}
.hero-sub {
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  color: var(--text-secondary);
  font-weight: 300;
  margin-bottom: 44px;
  animation: fade-up 0.8s 0.2s ease both;
  max-width: 480px;
}
.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 48px;
  animation: fade-up 0.8s 0.3s ease both;
}
.trust-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  animation: fade-up 0.8s 0.4s ease both;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 500;
}
.trust-dot {
  width: 6px; height: 6px;
  background: var(--blue-bright);
  border-radius: 50%;
  opacity: 0.7;
}

@keyframes fade-up {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── INTEGRATIONS STRIP ── */
.integrations-strip {
  padding: 32px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-2);
  overflow: hidden;
}
.strip-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  text-align: center;
  margin-bottom: 20px;
}
.logos-track { overflow: hidden; position: relative; }
.logos-track::before,
.logos-track::after {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  width: 120px;
  z-index: 2;
}
.logos-track::before { left: 0; background: linear-gradient(to right, var(--bg-2), transparent); }
.logos-track::after  { right: 0; background: linear-gradient(to left, var(--bg-2), transparent); }
.logos-inner {
  display: flex;
  gap: 0;
  width: max-content;
  animation: scroll-logos 28s linear infinite;
}
@keyframes scroll-logos {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
.int-logo {
  padding: 0 40px;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  white-space: nowrap;
  transition: color var(--transition);
  position: relative;
}
.int-logo::after {
  content: '·';
  position: absolute;
  right: 0;
  color: var(--border-light);
}

/* ── HOW IT WORKS ── */
.how { background: var(--bg); }
.steps {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 0;
  align-items: start;
}
.step {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  transition: border-color var(--transition), background var(--transition);
}
.step:hover {
  border-color: var(--blue-bright);
  background: var(--surface-hover);
}
.step-num {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.15em;
  color: var(--blue-bright);
  margin-bottom: 20px;
  opacity: 0.7;
}
.step-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-primary);
}
.step-body {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.65;
}
.step-connector {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 12px;
  margin-top: 24px;
  position: relative;
}
.connector-line {
  width: 48px;
  height: 2px;
  background: linear-gradient(to right, var(--border-light), var(--blue-bright), var(--border-light));
}
.connector-pulse {
  position: absolute;
  width: 10px; height: 10px;
  background: var(--blue-bright);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--blue-bright);
  animation: pulse-move 2s ease-in-out infinite;
}
@keyframes pulse-move {
  0%   { left: 8px; opacity: 0; transform: scale(0.5); }
  30%  { opacity: 1; transform: scale(1); }
  70%  { opacity: 1; }
  100% { left: calc(100% - 8px); opacity: 0; transform: scale(0.5); }
}

/* ── RAILS ── */
.rails { background: var(--bg-2); }
.rails-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.rail-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.rail-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-brand);
  opacity: 0;
  transition: opacity var(--transition);
  border-radius: inherit;
}
.rail-card:hover {
  border-color: var(--blue-bright);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}
.featured-rail {
  border-color: var(--blue-mid);
  background: linear-gradient(135deg, rgba(29,110,232,0.1), rgba(14,165,233,0.05));
}
.featured-rail::after {
  content: 'Core';
  position: absolute;
  top: 16px; right: 16px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue-bright);
  background: rgba(14,165,233,0.12);
  padding: 4px 10px;
  border-radius: 100px;
}
.rail-icon {
  width: 44px; height: 44px;
  background: var(--blue-glow);
  border: 1px solid rgba(14,165,233,0.2);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue-bright);
  margin-bottom: 20px;
}
.rail-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-primary);
}
.rail-body {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 20px;
}
.rail-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.tag {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--blue-bright);
  background: rgba(14,165,233,0.1);
  border: 1px solid rgba(14,165,233,0.2);
  padding: 4px 10px;
  border-radius: 100px;
}

/* ── BUILT FOR ── */
.built-for { background: var(--bg); }
.industries {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}
.industry-item {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 14px 24px;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  color: var(--text-secondary);
  transition: all var(--transition);
  cursor: default;
}
.industry-item:hover {
  border-color: var(--blue-bright);
  color: var(--text-primary);
  background: var(--blue-glow);
  transform: translateY(-2px);
}
.industry-icon {
  font-size: 12px;
  color: var(--blue-bright);
  opacity: 0.7;
}

/* ── STATS ── */
.stats {
  background: var(--bg-2);
  padding: 64px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.stat-item {
  text-align: center;
  padding: 32px 24px;
  border-right: 1px solid var(--border);
}
.stat-item:last-child { border-right: none; }
.stat-number {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 8px;
}
.stat-label {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 500;
}

/* ── PRICING ── */
.pricing { background: var(--bg); }
.pricing-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: start;
}
.pricing-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 40px 32px;
  transition: all var(--transition);
  position: relative;
}
.pricing-card:hover {
  border-color: var(--border-light);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}
.pricing-card--featured {
  background: var(--gradient-brand);
  border-color: transparent;
  transform: scale(1.03);
  box-shadow: var(--shadow-glow);
}
.pricing-card--featured:hover {
  transform: scale(1.03) translateY(-4px);
  border-color: transparent;
}
.pricing-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--cyan);
  color: var(--bg);
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 5px 16px;
  border-radius: 100px;
  white-space: nowrap;
}
.pricing-tier {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 16px;
}
.pricing-card--featured .pricing-tier { color: rgba(255,255,255,0.7); }
.pricing-price {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 16px;
}
.price-amount {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
}
.pricing-card--featured .price-amount { color: #fff; }
.price-period {
  font-size: 16px;
  color: var(--text-muted);
}
.pricing-card--featured .price-period { color: rgba(255,255,255,0.6); }
.pricing-desc {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 28px;
  line-height: 1.6;
}
.pricing-card--featured .pricing-desc { color: rgba(255,255,255,0.8); }
.pricing-features {
  list-style: none;
  margin-bottom: 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.pricing-features li {
  font-size: 14px;
  color: var(--text-secondary);
  padding-left: 20px;
  position: relative;
}
.pricing-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--blue-bright);
  font-weight: 700;
  font-size: 13px;
}
.pricing-card--featured .pricing-features li { color: rgba(255,255,255,0.85); }
.pricing-card--featured .pricing-features li::before { color: rgba(255,255,255,0.9); }

/* ── FAQ ── */
.faq { background: var(--bg-2); }
.faq-list { display: flex; flex-direction: column; gap: 2px; }
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition);
  background: var(--surface);
}
.faq-item[open] { border-color: var(--blue-mid); }
.faq-item + .faq-item { margin-top: 8px; }
.faq-q {
  padding: 24px 28px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: color var(--transition);
}
.faq-q::-webkit-details-marker { display: none; }
.faq-q::after {
  content: '+';
  font-size: 22px;
  font-weight: 300;
  color: var(--blue-bright);
  flex-shrink: 0;
  transition: transform var(--transition);
}
.faq-item[open] .faq-q::after { transform: rotate(45deg); }
.faq-item[open] .faq-q { color: var(--blue-bright); }
.faq-a {
  padding: 0 28px 24px;
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ── FINAL CTA ── */
.cta-final {
  background: var(--bg);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-orb {
  position: absolute;
  width: 800px; height: 500px;
  left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  background: radial-gradient(ellipse, rgba(14,165,233,0.12) 0%, transparent 70%);
  pointer-events: none;
}
.cta-final-heading {
  font-size: clamp(2.5rem, 6vw, 5rem);
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
}
.cta-final-sub {
  font-size: 18px;
  color: var(--text-secondary);
  margin-bottom: 48px;
  position: relative;
  z-index: 1;
}
.cta-final-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  position: relative;
  z-index: 1;
}

/* ── FOOTER ── */
.footer {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  padding: 64px 0 32px;
}
.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 48px;
  flex-wrap: wrap;
  gap: 32px;
}
.footer-logo {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
}
.footer-tagline {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 6px;
  letter-spacing: 0.06em;
}
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
}
.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--text-primary); }
.footer-bottom { border-top: 1px solid var(--border); padding-top: 28px; }
.footer-copy {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 8px;
}
.footer-legal {
  font-size: 12px;
  color: var(--border-light);
}

/* ── STICKY CTA ── */
.sticky-cta {
  display: none;
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 99;
  padding: 12px 16px;
  background: rgba(6,10,16,0.95);
  backdrop-filter: blur(16px);
  border-top: 1px solid var(--border);
  box-shadow: 0 -8px 32px rgba(0,0,0,0.5);
}
.btn-sticky {
  display: flex;
  width: 100%;
  justify-content: center;
  padding: 16px 24px;
  font-size: 16px;
  font-weight: 700;
  font-family: var(--font-display);
  text-decoration: none;
  color: #fff;
  background: var(--gradient-brand);
  border-radius: 12px;
  box-shadow: var(--shadow-button);
}

/* ── SCROLL REVEAL ── */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .steps {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .step-connector {
    padding: 8px 0;
    margin: 0;
    transform: rotate(90deg);
    width: 60px;
    margin: 0 auto;
  }
  .rails-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-cards { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
  .pricing-card--featured { transform: none; }
  .pricing-card--featured:hover { transform: translateY(-4px); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item:nth-child(2) { border-right: none; }
}

@media (max-width: 768px) {
  .section { padding: 72px 0; }
  .nav-link { display: none; }
  .hero { padding: 100px 0 72px; }
  .hero-ctas { flex-direction: column; }
  .hero-ctas .btn-xl { justify-content: center; }
  .rails-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-top { flex-direction: column; gap: 24px; }
  .footer-links { gap: 20px; }
  .sticky-cta { display: block; }
  body { padding-bottom: 80px; }
  .cta-final-actions { flex-direction: column; align-items: stretch; }
  .cta-final-actions .btn-xl { justify-content: center; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero-heading { font-size: 3rem; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat-item { padding: 24px 16px; }
  .stat-item:nth-child(even) { border-right: none; }
  .stat-item:nth-child(odd):not(:last-child) { border-right: 1px solid var(--border); }
  .industries { gap: 10px; }
  .industry-item { padding: 10px 18px; font-size: 14px; }
}

/* ── ACCESSIBILITY ── */
:focus-visible {
  outline: 2px solid var(--blue-bright);
  outline-offset: 3px;
  border-radius: 4px;
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}

/* ── PROBLEM SECTION ── */
.problem { background: var(--bg-2); }
.problem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.problem-body {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 18px;
}
.problem-body strong { color: var(--text-primary); font-weight: 600; }
.problem-stats {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.pstat {
  padding: 28px 0;
  border-bottom: 1px solid var(--border);
}
.pstat:last-child { border-bottom: none; }
.pstat-number {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 800;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 6px;
}
.pstat-label {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.5;
  max-width: 260px;
}

/* ── USE CASES GRID ── */
.usecases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.usecase-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: all var(--transition);
}
.usecase-card:hover {
  border-color: var(--blue-bright);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
  background: var(--surface-hover);
}
.featured-uc {
  border-color: var(--blue-mid);
  background: linear-gradient(135deg, rgba(29,110,232,0.1), rgba(14,165,233,0.05));
}
.uc-icon {
  width: 44px; height: 44px;
  background: var(--blue-glow);
  border: 1px solid rgba(14,165,233,0.2);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  color: var(--blue-bright);
  margin-bottom: 20px;
}
.uc-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
}
.uc-body {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 16px;
}
.uc-outcome {
  font-size: 13px;
  font-weight: 600;
  color: var(--blue-bright);
  font-family: var(--font-display);
}

/* ── WHAT YOU GET ── */
.what-you-get { background: var(--bg); }
.wyg-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px 64px;
}
.wyg-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.wyg-check {
  font-size: 15px;
  color: var(--blue-bright);
  font-weight: 700;
  margin-top: 2px;
  flex-shrink: 0;
  width: 20px;
}
.wyg-title {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
}
.wyg-body {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ── CTA FOOTNOTE ── */
.cta-footnote {
  margin-top: 20px;
  font-size: 13px;
  color: var(--text-muted);
  position: relative;
  z-index: 1;
}

/* ── RESPONSIVE ADDITIONS ── */
@media (max-width: 1024px) {
  .problem-grid { grid-template-columns: 1fr; gap: 48px; }
  .usecases-grid { grid-template-columns: repeat(2, 1fr); }
  .wyg-grid { grid-template-columns: 1fr; gap: 24px; }
}
@media (max-width: 768px) {
  .usecases-grid { grid-template-columns: 1fr; }
  .problem-stats { gap: 0; }
}