/* VeloxPay — Custom overrides & theme styles
   Works alongside Tailwind CDN utilities.
   Design tokens: brand blue #3384fb / accent cyan #22d3ee
   Fonts: Inter (UI) + Space Grotesk (display) — loaded in HTML
*/

:root {
  --vp-brand-50: #eef7ff;
  --vp-brand-100: #d9edff;
  --vp-brand-200: #bcdeff;
  --vp-brand-300: #8ec7ff;
  --vp-brand-400: #59a7ff;
  --vp-brand-500: #3384fb;
  --vp-brand-600: #1b63f0;
  --vp-brand-700: #144edc;
  --vp-brand-800: #173fb2;
  --vp-brand-900: #19398c;
  --vp-brand-950: #142456;
  --vp-accent-100: #cffafe;
  --vp-accent-200: #a5f3fc;
  --vp-accent-300: #67e8f9;
  --vp-accent-400: #22d3ee;
  --vp-accent-500: #06b6d4;
  --vp-accent-600: #0891b2;
  --vp-accent-700: #0e7490;
  --vp-accent-800: #155e75;
  --vp-accent-900: #164e63;
  --vp-accent-950: #083344;
  --vp-ink-50: #f8fafc;
  --vp-ink-100: #f1f5f9;
  --vp-ink-200: #e2e8f0;
  --vp-ink-300: #cbd5e1;
  --vp-ink-400: #94a3b8;
  --vp-ink-500: #64748b;
  --vp-ink-600: #475569;
  --vp-ink-700: #334155;
  --vp-ink-800: #1e293b;
  --vp-ink-900: #0f172a;
  --vp-ink-950: #020617;
  --vp-radius: 0.75rem;
  --vp-header-h: 4rem;
}

/* ---------- Base ---------- */
html {
  scroll-behavior: smooth;
  scroll-padding-top: 5.5rem;
}

body {
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  background-color: #ffffff;
  color: var(--vp-ink-900);
}

.dark body {
  background-color: var(--vp-ink-950);
  color: var(--vp-ink-100);
}

/* ---------- Typography ---------- */
.font-display {
  font-family: 'Space Grotesk', 'Inter', system-ui, sans-serif;
}

.gradient-text {
  background: linear-gradient(135deg, var(--vp-brand-500) 0%, var(--vp-accent-400) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- Hero grid backdrop ---------- */
.hero-grid {
  background-image:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(51, 132, 251, 0.25), transparent),
    radial-gradient(ellipse 60% 40% at 80% 50%, rgba(6, 182, 212, 0.15), transparent),
    linear-gradient(to right, rgba(148, 163, 184, 0.12) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(148, 163, 184, 0.12) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 48px 48px, 48px 48px;
}

.dark .hero-grid {
  background-image:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(51, 132, 251, 0.35), transparent),
    radial-gradient(ellipse 60% 40% at 80% 50%, rgba(6, 182, 212, 0.2), transparent),
    linear-gradient(to right, rgba(148, 163, 184, 0.08) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(148, 163, 184, 0.08) 1px, transparent 1px);
}

.page-hero {
  background-image:
    radial-gradient(ellipse 70% 60% at 30% 0%, rgba(51, 132, 251, 0.2), transparent),
    radial-gradient(ellipse 50% 40% at 80% 20%, rgba(6, 182, 212, 0.12), transparent);
}

.dark .page-hero {
  background-image:
    radial-gradient(ellipse 70% 60% at 30% 0%, rgba(51, 132, 251, 0.3), transparent),
    radial-gradient(ellipse 50% 40% at 80% 20%, rgba(6, 182, 212, 0.18), transparent);
}

/* ---------- Header ---------- */
#header {
  transition: background-color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease, backdrop-filter 0.3s ease;
}

#header.scrolled {
  background-color: rgba(255, 255, 255, 0.88);
  border-bottom-color: var(--vp-ink-200);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 3px rgba(2, 6, 23, 0.06);
}

.dark #header.scrolled {
  background-color: rgba(2, 6, 23, 0.88);
  border-bottom-color: var(--vp-ink-800);
}

/* ---------- Nav underline ---------- */
.nav-link {
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--vp-brand-500), var(--vp-accent-400));
  transition: width 0.25s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

/* ---------- Cards ---------- */
.card-hover {
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.card-hover:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(2, 6, 23, 0.08);
}

.dark .card-hover:hover {
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
  border-color: var(--vp-ink-700);
}

/* ---------- FAQ ---------- */
.faq-item {
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

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

.faq-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}

/* ---------- Mobile menu ---------- */
.mobile-menu {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}

.mobile-menu.open {
  max-height: 560px;
}

/* ---------- Marquee ---------- */
.marquee-track {
  animation: vp-marquee 28s linear infinite;
  will-change: transform;
}

.marquee-track:hover {
  animation-play-state: paused;
}

@keyframes vp-marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ---------- Toast ---------- */
.toast {
  transform: translateY(120%);
  opacity: 0;
  transition: transform 0.35s ease, opacity 0.35s ease;
  pointer-events: none;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

/* ---------- Buttons (plain CSS, no @apply) ---------- */
.btn-primary,
.btn-secondary,
.btn-ghost,
.btn-dark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border-radius: 0.75rem;
  padding: 0.875rem 1.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1.25rem;
  text-align: center;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease, opacity 0.2s ease, transform 0.2s ease;
  cursor: pointer;
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--vp-brand-600);
  color: #fff;
  box-shadow: 0 0 40px rgba(51, 132, 251, 0.35);
}

.btn-primary:hover {
  background-color: var(--vp-brand-700);
}

.btn-secondary {
  background-color: transparent;
  color: var(--vp-ink-800);
  border-color: var(--vp-ink-200);
}

.btn-secondary:hover {
  background-color: var(--vp-ink-50);
}

.dark .btn-secondary {
  color: var(--vp-ink-100);
  border-color: var(--vp-ink-700);
}

.dark .btn-secondary:hover {
  background-color: var(--vp-ink-800);
}

.btn-dark {
  background-color: var(--vp-ink-900);
  color: #fff;
}

.btn-dark:hover {
  opacity: 0.9;
}

.dark .btn-dark {
  background-color: #fff;
  color: var(--vp-ink-900);
}

.btn-ghost {
  background-color: transparent;
  color: var(--vp-ink-700);
}

.dark .btn-ghost {
  color: var(--vp-ink-200);
}

.btn-ghost:hover {
  background-color: var(--vp-ink-50);
}

.dark .btn-ghost:hover {
  background-color: var(--vp-ink-800);
}

.btn-accent {
  background-color: var(--vp-accent-500);
  color: #fff;
}

.btn-accent:hover {
  background-color: var(--vp-accent-600);
}

.btn:disabled,
.btn-primary:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}

/* ---------- Forms ---------- */
.form-label {
  display: block;
  margin-bottom: 0.375rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--vp-ink-800);
}

.dark .form-label {
  color: var(--vp-ink-200);
}

.form-field {
  width: 100%;
  border-radius: 0.75rem;
  border: 1px solid var(--vp-ink-200);
  background-color: #fff;
  padding: 0.625rem 1rem;
  font-size: 0.875rem;
  color: var(--vp-ink-900);
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.form-field::placeholder {
  color: var(--vp-ink-400);
}

.form-field:focus {
  border-color: var(--vp-brand-500);
  box-shadow: 0 0 0 3px rgba(51, 132, 251, 0.25);
}

.dark .form-field {
  border-color: var(--vp-ink-700);
  background-color: var(--vp-ink-950);
  color: var(--vp-ink-100);
}

.dark .form-field:focus {
  border-color: var(--vp-accent-500);
  box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.25);
}

.form-field.error {
  border-color: #f43f5e;
}

.form-error {
  margin-top: 0.25rem;
  font-size: 0.875rem;
  color: #e11d48;
}

.dark .form-error {
  color: #fb7185;
}

/* ---------- Team cards ---------- */
.team-card {
  overflow: hidden;
}

.team-card .team-photo {
  transition: transform 0.4s ease, filter 0.4s ease;
}

.team-card:hover .team-photo {
  transform: scale(1.05);
  filter: saturate(1.1);
}

/* ---------- Service tabs ---------- */
.service-tab {
  transition: background-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

.service-tab.active {
  background-color: var(--vp-brand-600);
  color: #fff;
  box-shadow: 0 4px 14px rgba(51, 132, 251, 0.35);
}

.dark .service-tab.active {
  background-color: var(--vp-accent-500);
  box-shadow: 0 4px 14px rgba(6, 182, 212, 0.35);
}

/* ---------- Hero chart bars (avoids inline height styles) ---------- */
.chart-bars {
  display: flex;
  align-items: flex-end;
  gap: 0.5rem;
  height: 6rem;
}

.chart-col {
  flex: 1 1 0%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
}

.chart-bar {
  width: 100%;
  border-radius: 0.375rem 0.375rem 0 0;
}

.chart-bar--mon { height: 40%; }
.chart-bar--tue { height: 55%; }
.chart-bar--wed { height: 48%; }
.chart-bar--thu { height: 72%; }
.chart-bar--fri { height: 64%; }
.chart-bar--sat { height: 88%; }
.chart-bar--sun { height: 76%; }

.chart-label {
  font-size: 0.625rem;
  line-height: 1rem;
  color: var(--vp-ink-400);
}

/* ---------- API sample code colors ---------- */
.api-verb { color: #7dd3fc; }
.api-num { color: #86efac; }
.api-str { color: #fde68a; }
.api-comment { color: #94a3b8; }

/* ---------- Images ---------- */
.img-placeholder {
  background-color: var(--vp-ink-100);
}

.dark .img-placeholder {
  background-color: var(--vp-ink-800);
}

img {
  max-width: 100%;
  height: auto;
}

/* ---------- Pricing toggle ---------- */
.billing-btn {
  border-radius: 9999px;
  padding: 0.5rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 600;
  transition: background-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

.billing-btn.active {
  background-color: #fff;
  color: var(--vp-ink-900);
  box-shadow: 0 1px 3px rgba(2, 6, 23, 0.08);
}

.dark .billing-btn.active {
  background-color: var(--vp-ink-800);
  color: var(--vp-ink-100);
}

.billing-btn:not(.active) {
  color: var(--vp-ink-500);
}

.dark .billing-btn:not(.active) {
  color: var(--vp-ink-400);
}

/* Buttons with optional spinner + label */
.btn-primary[data-submit-btn],
.btn-dark[data-submit-btn] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

/* ---------- Form: loading spinner + success banner ---------- */
.form-spinner {
  display: none;
  width: 1rem;
  height: 1rem;
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-top-color: #fff;
  border-radius: 9999px;
  animation: vp-spin 0.7s linear infinite;
  vertical-align: -2px;
}

.btn-primary.is-loading .form-spinner,
.btn-dark.is-loading .form-spinner {
  display: inline-block;
}

@keyframes vp-spin {
  to { transform: rotate(360deg); }
}

.form-success-banner {
  display: none;
  align-items: flex-start;
  gap: 0.75rem;
  margin-top: 1rem;
  padding: 0.875rem 1rem;
  border-radius: 0.75rem;
  border: 1px solid #bbf7d0;
  background-color: #f0fdf4;
  color: #166534;
}

.form-success-banner.show {
  display: flex;
}

.dark .form-success-banner {
  border-color: #14532d;
  background-color: rgba(20, 83, 45, 0.35);
  color: #86efac;
}

.form-success-banner svg {
  flex-shrink: 0;
  margin-top: 0.125rem;
}

.form-success-banner .banner-close {
  margin-left: auto;
  flex-shrink: 0;
  border-radius: 0.375rem;
  padding: 0.25rem;
  color: inherit;
  opacity: 0.7;
  transition: opacity 0.2s ease;
}

.form-success-banner .banner-close:hover {
  opacity: 1;
}

/* ---------- Documentation ---------- */
.docs-content {
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--vp-ink-700);
}

.dark .docs-content {
  color: var(--vp-ink-300);
}

.docs-content h2 {
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  font-family: 'Space Grotesk', 'Inter', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--vp-ink-900);
  scroll-margin-top: 6rem;
}

.dark .docs-content h2 {
  color: #fff;
}

.docs-content h3 {
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  font-family: 'Space Grotesk', 'Inter', sans-serif;
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--vp-ink-900);
}

.dark .docs-content h3 {
  color: #fff;
}

.docs-content p {
  margin-bottom: 1rem;
}

.docs-content ul,
.docs-content ol {
  margin-bottom: 1rem;
  padding-left: 1.5rem;
}

.docs-content ul { list-style: disc; }
.docs-content ol { list-style: decimal; }

.docs-content li {
  margin-bottom: 0.375rem;
}

.docs-content code {
  border-radius: 0.375rem;
  background-color: var(--vp-ink-100);
  padding: 0.125rem 0.375rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.85em;
  color: var(--vp-brand-700);
}

.dark .docs-content code {
  background-color: var(--vp-ink-800);
  color: var(--vp-accent-300);
}

.docs-content pre {
  margin-bottom: 1rem;
  overflow-x: auto;
  border-radius: 0.75rem;
  border: 1px solid var(--vp-ink-800);
  background-color: var(--vp-ink-900);
  padding: 1rem;
  font-size: 0.875rem;
  line-height: 1.65;
  color: var(--vp-ink-100);
}

.dark .docs-content pre {
  background-color: var(--vp-ink-950);
  border-color: var(--vp-ink-800);
}

.docs-content pre code {
  background: transparent;
  padding: 0;
  color: inherit;
  font-size: inherit;
}

.docs-content a {
  color: var(--vp-brand-600);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.dark .docs-content a {
  color: var(--vp-accent-400);
}

.docs-toc a {
  display: block;
  border-radius: 0.5rem;
  padding: 0.375rem 0.75rem;
  font-size: 0.875rem;
  color: var(--vp-ink-600);
  transition: background-color 0.2s ease, color 0.2s ease;
}

.dark .docs-toc a {
  color: var(--vp-ink-400);
}

.docs-toc a:hover {
  background-color: var(--vp-ink-100);
  color: var(--vp-ink-900);
}

.dark .docs-toc a:hover {
  background-color: var(--vp-ink-800);
  color: #fff;
}

.docs-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  border-radius: 9999px;
  padding: 0.25rem 0.625rem;
  font-size: 0.75rem;
  font-weight: 600;
  background-color: var(--vp-brand-50);
  color: var(--vp-brand-700);
  border: 1px solid var(--vp-brand-200);
}

.dark .docs-badge {
  background-color: rgba(20, 36, 86, 0.6);
  color: var(--vp-accent-300);
  border-color: var(--vp-accent-900);
}

/* ---------- Focus visibility ---------- */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 2px solid var(--vp-brand-500);
  outline-offset: 2px;
}

.dark a:focus-visible,
.dark button:focus-visible {
  outline-color: var(--vp-accent-400);
}

/* ---------- Selection ---------- */
::selection {
  background: rgba(51, 132, 251, 0.3);
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .marquee-track { animation: none !important; }
  .card-hover,
  .toast,
  .faq-panel,
  .mobile-menu,
  .team-card .team-photo,
  .form-field,
  #header {
    transition: none !important;
  }
}

/* ---------- Print ---------- */
@media print {
  header,
  footer,
  #toast,
  .mobile-menu,
  nav {
    display: none !important;
  }
  body {
    color: #000;
    background: #fff;
  }
}