/* ====================================================================
   AITradeFinx — Global Stylesheet
   Custom design-system layer on top of Tailwind CSS (CDN).
   Components defined here are shared across every page so the visual
   language stays perfectly consistent: header states, buttons, cards,
   glassmorphism, reveal animations, accordion, ripple, timeline.
   ==================================================================== */

:root {
  --primary: #2563EB;
  --secondary: #00C2FF;
  --accent: #38BDF8;
  --success: #22C55E;
  --warning: #F59E0B;
  --danger: #EF4444;
  --dark: #0B1220;
  --dark2: #111827;
  --surface: #F8FAFC;
  --ink: #111827;
  --mist: #6B7280;
  --line: #E5E7EB;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ------------------------------------------------------------------ */
/* Base                                                                */
/* ------------------------------------------------------------------ */

html {
  scroll-behavior: smooth;
}

/* Anchored sections clear the fixed header (nav + ticker) when jumped to */
[id] {
  scroll-margin-top: 9rem;
}

body {
  font-family: 'Manrope', ui-sans-serif, system-ui, -apple-system, sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

::selection {
  background: rgba(56, 189, 248, 0.25);
  color: var(--dark);
}

/* Slim, brand-tinted scrollbar */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--surface);
}
::-webkit-scrollbar-thumb {
  background: rgba(11, 18, 32, 0.25);
  border-radius: 999px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(11, 18, 32, 0.45);
}

/* ------------------------------------------------------------------ */
/* Layout helpers                                                      */
/* ------------------------------------------------------------------ */

/* Standard vertical rhythm: 80px on mobile, 120px on desktop */
.section {
  padding-top: 80px;
  padding-bottom: 80px;
}
@media (min-width: 1024px) {
  .section {
    padding-top: 120px;
    padding-bottom: 120px;
  }
}

/* ------------------------------------------------------------------ */
/* Sticky header — transparent over dark heroes, white glass on scroll */
/* ------------------------------------------------------------------ */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background 0.35s var(--ease-out), box-shadow 0.35s var(--ease-out),
    border-color 0.35s var(--ease-out);
}

.site-header .nav-link {
  position: relative;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: rgba(255, 255, 255, 0.72);
  transition: color 0.25s ease;
  padding: 0.25rem 0;
}
.site-header .nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -4px;
  height: 2px;
  width: 0;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--secondary));
  transition: width 0.3s var(--ease-out);
}
.site-header .nav-link:hover,
.site-header .nav-link.nav-active {
  color: #ffffff;
}
.site-header .nav-link.nav-active::after,
.site-header .nav-link:hover::after {
  width: 100%;
}

.site-header .logo-text {
  color: #ffffff;
  transition: color 0.3s ease;
}

/* Brand logo image swap — white logo over the dark hero, dark logo on the scrolled white bar */
.site-header .logo-on-light {
  display: none;
}
.site-header .logo-on-dark {
  display: block;
}
.site-header.is-scrolled .logo-on-light {
  display: block;
}
.site-header.is-scrolled .logo-on-dark {
  display: none;
}
.site-header .menu-btn {
  color: #ffffff;
  transition: color 0.3s ease;
}

/* Live market ticker strip riding on top of the fixed header.
   Always visible — including the scrolled (sticky white) state, where
   the dark strip sits above the frosted nav. */
.ticker-bar {
  background: var(--dark);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  max-height: 52px;
  overflow: hidden;
}

/* Scrolled state: frosted white bar with soft shadow */
.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.86);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(229, 231, 235, 0.8);
  box-shadow: 0 10px 34px -18px rgba(11, 18, 32, 0.25);
}
.site-header.is-scrolled .nav-link {
  color: var(--mist);
}
.site-header.is-scrolled .nav-link:hover,
.site-header.is-scrolled .nav-link.nav-active {
  color: var(--primary);
}
.site-header.is-scrolled .logo-text,
.site-header.is-scrolled .menu-btn {
  color: var(--dark);
}

/* Mobile dropdown panel */
.mobile-menu {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  padding: 0 1.25rem;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transform: translateY(-10px);
  transition: max-height 0.45s var(--ease-out), opacity 0.35s ease,
    transform 0.45s var(--ease-out);
}
.mobile-menu.is-open {
  max-height: 520px;
  opacity: 1;
  transform: translateY(0);
}
.mobile-menu-inner {
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 1.25rem;
  box-shadow: 0 30px 60px -20px rgba(11, 18, 32, 0.25);
  padding: 1.25rem;
}
.mobile-menu .nav-link {
  display: block;
  padding: 0.75rem 1rem;
  border-radius: 0.75rem;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--ink);
  transition: background 0.25s ease, color 0.25s ease;
}
.mobile-menu .nav-link:hover {
  background: var(--surface);
  color: var(--primary);
}
.mobile-menu .nav-link.nav-active {
  background: rgba(37, 99, 235, 0.08);
  color: var(--primary);
}

/* ------------------------------------------------------------------ */
/* Buttons                                                             */
/* ------------------------------------------------------------------ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 800;
  letter-spacing: 0.01em;
  padding: 0.95rem 1.9rem;
  cursor: pointer;
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out),
    background 0.3s ease, color 0.3s ease, border-color 0.3s ease;
  white-space: nowrap;
}
.btn:active {
  transform: translateY(0) scale(0.98);
}

/* Primary — cyan gradient, dark ink for contrast */
.btn-primary {
  background: linear-gradient(135deg, #2563eb 0%, #0ea5e9 100%);
  color: #ffffff;
  box-shadow: 0 16px 40px -14px rgba(37, 99, 235, 0.55);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 22px 50px -14px rgba(37, 99, 235, 0.7);
}

/* Ghost — for use on dark navy backgrounds */
.btn-ghost {
  border: 1px solid rgba(255, 255, 255, 0.22);
  color: #ffffff;
  background: rgba(255, 255, 255, 0.04);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.4);
  transform: translateY(-2px);
}

/* Dark — for use on white / light backgrounds */
.btn-dark {
  background: var(--dark);
  color: #ffffff;
  box-shadow: 0 16px 40px -16px rgba(11, 18, 32, 0.55);
}
.btn-dark:hover {
  background: var(--dark2);
  transform: translateY(-2px);
  box-shadow: 0 22px 50px -16px rgba(11, 18, 32, 0.6);
}

/* Outline — subtle secondary action on light backgrounds */
.btn-outline {
  border: 1.5px solid var(--line);
  color: var(--dark);
  background: #ffffff;
}
.btn-outline:hover {
  border-color: var(--dark);
  transform: translateY(-2px);
  box-shadow: 0 16px 40px -20px rgba(11, 18, 32, 0.35);
}

/* Ripple effect host (pair with .btn-*) */
.btn-ripple {
  position: relative;
  overflow: hidden;
}
.ripple {
  position: absolute;
  border-radius: 999px;
  transform: scale(0);
  animation: ripple 0.65s linear;
  background: rgba(255, 255, 255, 0.55);
  pointer-events: none;
}
@keyframes ripple {
  to {
    transform: scale(4);
    opacity: 0;
  }
}

/* Arrow text-link */
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  font-weight: 800;
  color: var(--primary);
  transition: color 0.25s ease, gap 0.25s var(--ease-out);
}
.link-arrow:hover {
  color: #1d4ed8;
  gap: 0.8rem;
}

/* ------------------------------------------------------------------ */
/* Eyebrow labels                                                      */
/* ------------------------------------------------------------------ */

.eyebrow,
.eyebrow-dark {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border-radius: 999px;
  padding: 0.45rem 1.1rem;
  font-size: 0.7rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.22em;
}
.eyebrow {
  color: var(--primary);
  background: rgba(37, 99, 235, 0.08);
  border: 1px solid rgba(37, 99, 235, 0.22);
}
.eyebrow-dark {
  color: var(--accent);
  background: rgba(56, 189, 248, 0.08);
  border: 1px solid rgba(56, 189, 248, 0.3);
}
.eyebrow::before,
.eyebrow-dark::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 10px rgba(56, 189, 248, 0.9);
}

/* ------------------------------------------------------------------ */
/* Cards, glass, icon tiles                                            */
/* ------------------------------------------------------------------ */

/* Hover-lift card */
.card-lift {
  transition: transform 0.4s var(--ease-out), box-shadow 0.4s var(--ease-out),
    border-color 0.4s ease;
}
.card-lift:hover {
  transform: translateY(-8px);
  box-shadow: 0 34px 70px -24px rgba(11, 18, 32, 0.22);
  border-color: rgba(56, 189, 248, 0.4);
}

/* Glassmorphism — dark backgrounds */
.glass {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
}

/* Glassmorphism — light backgrounds */
.glass-light {
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.9);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
}

/* Gradient icon tile used across service / value cards */
.icon-tile {
  display: grid;
  place-items: center;
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 1.1rem;
  font-size: 1.25rem;
  color: var(--accent);
  background: linear-gradient(135deg, #0b1220, #1f2937);
  box-shadow: 0 14px 30px -12px rgba(11, 18, 32, 0.45);
  transition: background 0.35s ease, color 0.35s ease, transform 0.35s var(--ease-out);
}
.group:hover .icon-tile,
.card-lift:hover .icon-tile {
  background: linear-gradient(135deg, #2563eb, #38bdf8);
  color: #ffffff;
  transform: scale(1.06) rotate(-3deg);
}

/* ------------------------------------------------------------------ */
/* Decorative backgrounds                                              */
/* ------------------------------------------------------------------ */

/* Fine blueprint grid for dark navy sections (radially masked) */
.bg-grid-dark {
  background-image: linear-gradient(rgba(255, 255, 255, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.055) 1px, transparent 1px);
  background-size: 54px 54px;
  -webkit-mask-image: radial-gradient(ellipse 90% 80% at 50% 20%, #000 25%, transparent 78%);
  mask-image: radial-gradient(ellipse 90% 80% at 50% 20%, #000 25%, transparent 78%);
}

/* Fine grid for light sections */
.bg-grid-light {
  background-image: linear-gradient(rgba(11, 18, 32, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(11, 18, 32, 0.05) 1px, transparent 1px);
  background-size: 54px 54px;
  -webkit-mask-image: radial-gradient(ellipse 90% 80% at 50% 30%, #000 25%, transparent 78%);
  mask-image: radial-gradient(ellipse 90% 80% at 50% 30%, #000 25%, transparent 78%);
}

/* Gradient headline text */
.text-gradient {
  background: linear-gradient(92deg, #60a5fa 0%, #38bdf8 45%, #00c2ff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* ------------------------------------------------------------------ */
/* Scroll-reveal animations (driven by assets/js/script.js)            */
/* ------------------------------------------------------------------ */

[data-reveal] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.85s var(--ease-out), transform 0.85s var(--ease-out);
  transition-delay: var(--reveal-delay, 0ms);
  will-change: opacity, transform;
}
[data-reveal='left'] {
  transform: translateX(-40px);
}
[data-reveal='right'] {
  transform: translateX(40px);
}
[data-reveal='zoom'] {
  transform: scale(0.92);
}
[data-reveal].is-revealed {
  opacity: 1;
  transform: none;
}

/* ------------------------------------------------------------------ */
/* Floating elements                                                   */
/* ------------------------------------------------------------------ */

@keyframes floatY {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-14px);
  }
}
.animate-float {
  animation: floatY 6s ease-in-out infinite;
}
.animate-float-slow {
  animation: floatY 9s ease-in-out infinite;
}
.animate-float-delay {
  animation: floatY 7s ease-in-out 1.6s infinite;
}

/* Soft pulsing glow dot (e.g. live indicators) */
@keyframes pulseGlow {
  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.55);
  }
  70% {
    box-shadow: 0 0 0 9px rgba(34, 197, 94, 0);
  }
}
.pulse-dot {
  animation: pulseGlow 2.2s infinite;
}

/* ------------------------------------------------------------------ */
/* Accordion (FAQ)                                                     */
/* ------------------------------------------------------------------ */

.accordion-item {
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
.accordion-item.is-open {
  border-color: rgba(56, 189, 248, 0.45);
  box-shadow: 0 24px 50px -24px rgba(11, 18, 32, 0.18);
}
.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s var(--ease-out);
}
.accordion-icon {
  transition: transform 0.35s var(--ease-out), background 0.3s ease, color 0.3s ease;
}
.accordion-item.is-open .accordion-icon {
  transform: rotate(45deg);
  background: var(--accent);
  color: var(--dark);
}

/* ------------------------------------------------------------------ */
/* Timeline (About page / How We Work)                                 */
/* ------------------------------------------------------------------ */

.timeline {
  position: relative;
}
.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 1.15rem;
  width: 2px;
  border-radius: 999px;
  background: linear-gradient(180deg, var(--accent), rgba(56, 189, 248, 0.05));
}
@media (min-width: 768px) {
  .timeline.timeline-center::before {
    left: 50%;
    transform: translateX(-50%);
  }
}
.timeline-dot {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 2.3rem;
  height: 2.3rem;
  border-radius: 999px;
  background: var(--dark);
  border: 2px solid var(--accent);
  color: var(--accent);
  font-size: 0.7rem;
  font-weight: 800;
  box-shadow: 0 0 0 6px rgba(56, 189, 248, 0.12);
}

/* Horizontal connector behind "How We Work" step cards (desktop) */
.steps-connector {
  position: absolute;
  top: 2.6rem;
  left: 8%;
  right: 8%;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(56, 189, 248, 0.45), transparent);
}

/* ------------------------------------------------------------------ */
/* Forms                                                               */
/* ------------------------------------------------------------------ */

.field {
  width: 100%;
  border-radius: 1rem;
  border: 1.5px solid var(--line);
  background: #ffffff;
  padding: 0.9rem 1.15rem;
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--ink);
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}
.field::placeholder {
  color: #9ca3af;
}
.field:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(56, 189, 248, 0.14);
}
select.field {
  appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%236B7280' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1.1rem center;
  padding-right: 2.75rem;
}

/* ------------------------------------------------------------------ */
/* Back-to-top button                                                  */
/* ------------------------------------------------------------------ */

.to-top {
  position: fixed;
  right: 1.5rem;
  bottom: 1.5rem;
  z-index: 40;
  display: grid;
  place-items: center;
  width: 3rem;
  height: 3rem;
  border-radius: 999px;
  background: var(--dark);
  color: var(--accent);
  border: 1px solid rgba(56, 189, 248, 0.35);
  box-shadow: 0 18px 40px -14px rgba(11, 18, 32, 0.55);
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: opacity 0.35s ease, transform 0.35s var(--ease-out), background 0.3s ease;
}
.to-top:hover {
  background: var(--dark2);
}
.to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

/* ------------------------------------------------------------------ */
/* Accessibility & motion preferences                                  */
/* ------------------------------------------------------------------ */

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .animate-float,
  .animate-float-slow,
  .animate-float-delay,
  .pulse-dot {
    animation: none;
  }
}

/* Fixed-width digits so countdown numbers don't jitter as they change */
.tabular {
  font-variant-numeric: tabular-nums;
}

/* ------------------------------------------------------------------ */
/* Logo marquee — broker integrations strip                            */
/* ------------------------------------------------------------------ */

.marquee {
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
}
.marquee-track {
  display: flex;
  width: max-content;
  gap: 1.25rem;
  animation: marqueeScroll 38s linear infinite;
  will-change: transform;
}
.marquee:hover .marquee-track {
  animation-play-state: paused;
}
/* Second copy of the logo set exists only to make the loop seamless */
.marquee-dup {
  display: contents;
}
@keyframes marqueeScroll {
  from {
    transform: translateX(0);
  }
  to {
    /* One full set width + one flex gap = a perfect loop point */
    transform: translateX(calc(-50% - 0.625rem));
  }
}
@media (prefers-reduced-motion: reduce) {
  .marquee {
    -webkit-mask-image: none;
    mask-image: none;
  }
  .marquee-track {
    animation: none;
    width: 100%;
    flex-wrap: wrap;
    justify-content: center;
  }
  .marquee-dup {
    display: none;
  }
}