/* ==============================
   CSS Custom Properties (Theme)
   ============================== */
:root {
  --radius: 1rem;
  --background: oklch(16.59% 0.0163 226.88);
  --foreground: oklch(96.48% 0.0045 134.85);
  --surface: oklch(21.05% 0.0176 230.26);
  --card: oklch(23.44% 0.0215 228.46);
  --card-foreground: oklch(96.48% 0.0045 134.85);
  --primary: oklch(86.22% 0.1944 124.21);
  --primary-foreground: oklch(18.8% 0.0168 224.92);
  --primary-soft: oklch(92.6% 0.1368 121.54);
  --muted: oklch(21.05% 0.0176 230.26);
  --muted-foreground: oklch(66.99% 0.0152 207.85);
  --border: oklch(100% 0 0 / 0.09);
  --border-strong: oklch(100% 0 0 / 0.16);
  --input: oklch(100% 0 0 / 0.12);
  --surface-light: oklch(96% 0.01 100);
  --surface-light-card: oklch(98% 0.008 100);
  --surface-light-foreground: oklch(22% 0.02 230);
  --surface-light-muted: oklch(45% 0.03 220);
  --surface-light-border: oklch(22% 0 0 / 0.1);
  --surface-light-border-strong: oklch(22% 0 0 / 0.18);
  --glow-signal: 0 0 0 1px color-mix(in oklab, var(--primary) 22%, transparent),
    0 12px 40px -12px color-mix(in oklab, var(--primary) 45%, transparent);
  --grid-line: color-mix(in oklab, var(--foreground) 6%, transparent);
}

/* ==============================
   Base
   ============================== */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--background);
  color: var(--foreground);
  font-family: 'Inter', ui-sans-serif, system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  margin: 0;
}

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

a {
  color: inherit;
  text-decoration: inherit;
}

button, input, select, textarea {
  font: inherit;
  color: inherit;
}

ol, ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

::selection {
  background: color-mix(in oklab, var(--primary) 30%, transparent);
}

/* ==============================
   Buttons
   ============================== */
.btn-primary {
  background: var(--primary);
  color: var(--primary-foreground);
  box-shadow: 0 14px 34px -18px color-mix(in oklab, var(--primary) 80%, transparent);
  border-radius: 999px;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.25s cubic-bezier(0.22, 1, 0.36, 1), background-color 0.25s;
}

.btn-primary:hover {
  background: var(--primary-soft);
  transform: translateY(-2px);
}

.btn-ghost {
  border: 1px solid var(--border-strong);
  color: var(--foreground);
  background: transparent;
  border-radius: 999px;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  text-decoration: none;
  transition: border-color 0.25s, transform 0.25s cubic-bezier(0.22, 1, 0.36, 1);
}

.btn-ghost:hover {
  border-color: color-mix(in oklab, var(--primary) 60%, transparent);
  transform: translateY(-2px);
}

/* ==============================
   Cards
   ============================== */
.card-soft {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 28px;
  box-shadow: 0 1px 2px #00000040, 0 24px 60px -40px #000000a6;
}

.card-light {
  background: var(--surface-light-card);
  border: 1px solid var(--surface-light-border);
  border-radius: 28px;
  box-shadow: 0 1px 2px #00000014, 0 24px 60px -40px #00000038;
}

/* ==============================
   Section variants
   ============================== */
.section-light {
  background-color: var(--surface-light);
  color: var(--surface-light-foreground);
  --foreground: var(--surface-light-foreground);
  --muted-foreground: var(--surface-light-muted);
  --border: var(--surface-light-border);
  --border-strong: var(--surface-light-border-strong);
}

/* ==============================
   Lift hover
   ============================== */
.lift {
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1), border-color 0.35s, box-shadow 0.35s;
}

.lift:hover {
  border-color: color-mix(in oklab, var(--primary) 45%, transparent);
  transform: translateY(-4px);
  box-shadow: 0 0 40px -24px var(--primary), 0 26px 60px -34px rgba(0, 0, 0, 0.7);
}

/* ==============================
   Reveal scroll animation
   ============================== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-in {
  opacity: 1;
  transform: none;
}

/* ==============================
   Decorative elements
   ============================== */
.grid-lines {
  background-image:
    linear-gradient(to right, var(--grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-line) 1px, transparent 1px);
  background-size: 72px 72px;
}

.signal-glow {
  box-shadow: var(--glow-signal);
}

.hero-glow-bottom {
  pointer-events: none;
  background: radial-gradient(ellipse 120% 100% at 50% 100%, color-mix(in oklab, var(--primary) 40%, transparent), transparent 70%);
  height: 320px;
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
}

/* ==============================
   Typography utilities
   ============================== */
.text-eyebrow {
  font-family: 'IBM Plex Mono', ui-monospace, SFMono-Regular, monospace;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted-foreground);
  font-size: 0.6875rem;
}

/* ==============================
   Keyframe animations
   ============================== */
@keyframes signal-pulse {
  0%, 100% { opacity: 0.35; transform: scale(0.85); }
  50% { opacity: 1; transform: scale(1.15); }
}

.animate-signal-pulse {
  animation: signal-pulse 2.8s ease-in-out infinite;
}

/* ==============================
   Header scroll state
   ============================== */
#site-header.scrolled {
  background-color: color-mix(in oklab, var(--background) 85%, transparent);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-color: var(--border) !important;
}

/* ==============================
   Mobile menu
   ============================== */
#mobile-menu {
  display: none;
  position: fixed;
  inset-inline: 0;
  top: 73px;
  z-index: 55;
  background-color: var(--background);
  border-bottom: 1px solid var(--border);
}

#mobile-menu.open {
  display: block;
}

/* ==============================
   FAQ Accordion
   ============================== */
.faq-content {
  height: 0;
  overflow: hidden;
  transition: height 0.3s ease-out;
}

.faq-trigger .faq-chevron {
  transition: transform 0.2s ease;
  flex-shrink: 0;
}

.faq-item.open .faq-chevron {
  transform: rotate(180deg);
}

.faq-item.open .faq-trigger {
  color: var(--primary);
}

/* ==============================
   Audience section gradient
   ============================== */
#audience {
  background: linear-gradient(
    to bottom,
    color-mix(in oklab, var(--primary) 20%, transparent) 0%,
    var(--surface) 50%,
    var(--surface) 100%
  );
}

/* ==============================
   CTA section overlay
   ============================== */
.bg-surface-overlay {
  background-color: color-mix(in oklab, var(--surface) 80%, transparent);
}

/* ==============================
   Form input overrides
   ============================== */
input[type=text]:focus,
input[type=email]:focus,
input[type=tel]:focus,
input[type=number]:focus,
textarea:focus {
  outline: none;
  border-color: var(--primary) !important;
  box-shadow: 0 0 0 4px color-mix(in oklab, var(--primary) 15%, transparent) !important;
}

input[type=checkbox] {
  accent-color: var(--primary);
  cursor: pointer;
}

.btn-primary:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* ==============================
   Modals
   ============================== */
.modal {
  display: none;
  position: fixed;
  z-index: 9999;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  overflow-y: auto;
  padding: 40px 16px;
}

.modal-content {
  max-width: 760px;
  margin: 0 auto;
  background: #ffffff;
  color: #111827;
  border-radius: 18px;
  padding: 32px;
  position: relative;
  font-family: Arial, sans-serif;
  line-height: 1.6;
}

.modal-content h2 {
  margin-top: 0;
  font-size: 28px;
}

.modal-content h3 {
  margin-top: 24px;
  font-size: 18px;
}

.modal-content h4 {
  margin-top: 16px;
  font-size: 15px;
}

.modal-content ul {
  list-style: disc;
  padding-left: 20px;
  margin: 8px 0;
}

.modal-content ul li {
  margin-bottom: 4px;
}

.modal-close {
  position: absolute;
  top: 18px;
  right: 20px;
  border: none;
  background: transparent;
  font-size: 30px;
  cursor: pointer;
  line-height: 1;
  color: #111827;
}

.modal-close:hover {
  opacity: 0.6;
}

.modal-button {
  margin-top: 24px;
  width: 100%;
  padding: 14px 20px;
  border: none;
  border-radius: 999px;
  background: var(--primary);
  color: var(--primary-foreground);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
}

.modal-button:hover {
  opacity: 0.85;
}

.modal-link {
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  font: inherit;
  color: inherit;
  text-decoration: none;
}

.modal-link:hover {
  color: var(--primary);
}

/* ==============================
   Surface-light-card background
   ============================== */
.bg-surface-light-card {
  background-color: var(--surface-light-card);
}

/* ==============================
   Testimonials slider
   ============================== */
.testimonials-track {
  display: flex;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.testimonial-dot {
  height: 0.5rem;
  border-radius: 999px;
  transition: width 0.3s, background-color 0.3s;
  border: none;
  cursor: pointer;
  padding: 0;
}

/* ==============================
   Line-height arbitrary utilities
   ============================== */
.leading-\[1\.06\] { line-height: 1.06; }
.leading-\[1\.08\] { line-height: 1.08; }
.leading-\[1\.1\]  { line-height: 1.1; }

@media (min-width: 1024px) {
  .lg\:leading-\[1\.15\] { line-height: 1.15; }
}

/* ==============================
   Reveal transition-delay utilities
   ============================== */
.delay-0   { transition-delay: 0ms; }
.delay-80  { transition-delay: 80ms; }
.delay-90  { transition-delay: 90ms; }
.delay-100 { transition-delay: 100ms; }
.delay-120 { transition-delay: 120ms; }
.delay-140 { transition-delay: 140ms; }
.delay-160 { transition-delay: 160ms; }
.delay-180 { transition-delay: 180ms; }
.delay-200 { transition-delay: 200ms; }
.delay-220 { transition-delay: 220ms; }
.delay-240 { transition-delay: 240ms; }
.delay-270 { transition-delay: 270ms; }
.delay-320 { transition-delay: 320ms; }
.delay-400 { transition-delay: 400ms; }

/* ==============================
   Decorative glow / gradient utilities
   ============================== */
.deco-glow-hero {
  background: radial-gradient(closest-side, color-mix(in oklab, var(--primary) 16%, transparent), transparent 72%);
}

.deco-glow-image {
  background: radial-gradient(closest-side, color-mix(in oklab, var(--primary) 10%, transparent), transparent);
}

.deco-fade-primary {
  background: linear-gradient(to top, color-mix(in oklab, var(--primary) 70%, transparent), color-mix(in oklab, var(--primary) 20%, transparent) 50%, transparent);
}

.bg-cta-image {
  background-image: url(../img/final-cta-bg.webp);
}

/* ==============================
   Border / shadow utilities
   ============================== */
.border-primary-40 {
  border-color: color-mix(in oklab, var(--primary) 40%, transparent);
}

.shadow-danger-glow {
  box-shadow: 0 0 60px -28px rgba(239, 68, 68, 0.35);
}

.border-shadow-primary-55 {
  border-color: color-mix(in oklab, var(--primary) 55%, transparent);
  box-shadow: 0 0 60px -28px color-mix(in oklab, var(--primary) 55%, transparent);
}

/* ==============================
   Stories section gradient (markets page)
   ============================== */
#stories-glow {
  pointer-events: none;
  position: absolute;
  inset-inline: 0;
  bottom: -6rem;
  height: 12rem;
  background: linear-gradient(to top, color-mix(in oklab, var(--primary) 30%, transparent), color-mix(in oklab, var(--primary) 10%, transparent) 50%, transparent);
  filter: blur(40px);
}