/* Mashup Solution — Kinetic Dark, ui-ux-pro-max design system
   Style: Modern Dark (Cinema) x Kinetic motion — violet/pink AI palette on near-black */

:root {
  /* Surfaces */
  --color-bg: #05070d;
  --color-bg-alt: #070b16;
  --color-surface: rgba(255, 255, 255, 0.045);
  --color-surface-strong: rgba(255, 255, 255, 0.085);
  --color-border: rgba(255, 255, 255, 0.10);
  --color-border-strong: rgba(255, 255, 255, 0.22);

  /* Text */
  --color-fg: #F3F7FE;
  --color-fg-muted: #9FB1CC;
  --color-fg-faint: #62708C;

  /* Brand */
  --color-primary: #1877F2;
  --color-primary-strong: #42A5F5;
  --color-primary-deep: #0A5DC2;
  --color-accent: #42A5F5;
  --color-accent-strong: #63B8F7;
  --color-accent-deep: #0A5DC2;
  --color-on-primary: #FFFFFF;

  --glow-primary: rgba(24, 119, 242, 0.35);
  --glow-accent: rgba(66, 165, 245, 0.32);
  --gradient-brand: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  --gradient-mesh: radial-gradient(60% 60% at 20% 20%, rgba(24, 119, 242, 0.35), transparent 60%),
                   radial-gradient(50% 50% at 85% 30%, rgba(66, 165, 245, 0.28), transparent 60%),
                   radial-gradient(60% 60% at 50% 100%, rgba(10, 93, 194, 0.25), transparent 60%);

  /* Type */
  --font-display: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SFMono-Regular', monospace;

  /* Space (8pt rhythm) */
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2.5rem;
  --space-5: 4rem;
  --space-6: 6rem;
  --space-7: 9rem;

  --radius-sm: 10px;
  --radius: 20px;
  --radius-lg: 28px;
  --container-w: 84rem;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --duration-fast: 180ms;
  --duration: 300ms;
}

/* ---------- Reset & base ---------- */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; color-scheme: dark; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

body {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-fg);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body.is-loading { overflow: hidden; }

.container {
  max-width: var(--container-w);
  margin-inline: auto;
  padding-inline: var(--space-3);
  position: relative;
}

h1, h2, h3 { line-height: 1.08; margin: 0 0 var(--space-2); font-weight: 800; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.6rem, 7vw, 5.5rem); }
h2 { font-size: clamp(1.9rem, 4.5vw, 3.25rem); }
h3 { font-size: 1.2rem; letter-spacing: -0.01em; }
p { margin: 0 0 var(--space-2); }

.icon {
  width: 1.25em; height: 1.25em;
  fill: none; stroke: currentColor; stroke-width: 2;
  stroke-linecap: round; stroke-linejoin: round;
  flex-shrink: 0;
}

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.skip-link {
  position: fixed; top: -100%; left: var(--space-2); z-index: 200;
  background: var(--color-primary); color: var(--color-on-primary);
  padding: var(--space-1) var(--space-2); border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  font-weight: 600; text-decoration: none;
}
.skip-link:focus { top: 0; }

a { color: var(--color-primary-strong); }
a:focus-visible, button:focus-visible, [tabindex]:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: 4px;
}

::selection { background: var(--color-accent-deep); color: #fff; }

/* ---------- Custom cursor (fine pointer only) ---------- */
.cursor-dot, .cursor-ring {
  position: fixed; top: 0; left: 0; z-index: 300;
  border-radius: 50%;
  pointer-events: none;
  will-change: transform;
  transform: translate(-50%, -50%);
}
.cursor-dot { width: 8px; height: 8px; background: var(--color-accent); }
.cursor-ring { width: 38px; height: 38px; border: 1.5px solid var(--color-border-strong); transition: width var(--duration-fast) var(--ease-out), height var(--duration-fast) var(--ease-out), border-color var(--duration-fast); }
.cursor-ring.is-active { width: 64px; height: 64px; border-color: var(--color-primary); }
@media (hover: none), (pointer: coarse) {
  .cursor-dot, .cursor-ring { display: none; }
}
.has-custom-cursor, .has-custom-cursor a, .has-custom-cursor button { cursor: none; }

/* ---------- Preloader ---------- */
.preloader {
  position: fixed; inset: 0; z-index: 500;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: var(--space-2);
  background: var(--color-bg);
  transition: opacity 500ms var(--ease-out), visibility 500ms var(--ease-out);
}
.preloader-mark { width: 56px; height: 56px; }
.preloader-mark path { stroke-dasharray: 60; stroke-dashoffset: 60; }
.preloader-count {
  font-family: var(--font-mono);
  color: var(--color-fg-muted);
  font-size: 0.85rem;
  letter-spacing: 0.15em;
}
.preloader.is-hidden { opacity: 0; visibility: hidden; pointer-events: none; }
@media (prefers-reduced-motion: reduce) { .preloader { display: none; } }

/* ---------- Eyebrow / section heads ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 0.6em;
  color: var(--color-primary-strong);
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  margin-bottom: var(--space-2);
}
.eyebrow::before {
  content: ''; width: 7px; height: 7px; border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 12px 2px var(--glow-accent);
}

.lead, .section-lead {
  font-size: 1.15rem;
  color: var(--color-fg-muted);
  max-width: 40rem;
}

.accent-text {
  background: var(--gradient-brand);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 0.6rem;
  padding: 0.9rem 1.8rem;
  border-radius: 999px;
  font-weight: 600; font-size: 1rem;
  text-decoration: none; cursor: pointer;
  border: 1.5px solid transparent;
  transition: background-color var(--duration) var(--ease-out), border-color var(--duration) var(--ease-out), color var(--duration) var(--ease-out), box-shadow var(--duration) var(--ease-out);
  min-height: 44px;
  position: relative;
  isolation: isolate;
}
.btn-sm { padding: 0.6rem 1.3rem; min-height: 40px; }
.btn-primary { background: var(--color-primary); color: var(--color-on-primary); box-shadow: 0 0 0 0 var(--glow-primary); }
.btn-primary:hover { background: var(--color-primary-strong); box-shadow: 0 8px 30px -6px var(--glow-primary); }
.btn-accent { background: var(--gradient-brand); color: #fff; }
.btn-accent:hover { box-shadow: 0 8px 30px -6px var(--glow-accent); }
.btn-ghost { color: var(--color-fg); border-color: var(--color-border-strong); }
.btn-ghost:hover { border-color: var(--color-primary); background: var(--color-surface); }
.magnetic { will-change: transform; }

/* ---------- Header / nav ---------- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  border-bottom: 1px solid transparent;
  transition: border-color var(--duration), background-color var(--duration), backdrop-filter var(--duration);
}
.site-header.is-scrolled {
  background: rgba(6, 4, 12, 0.72);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border-color: var(--color-border);
}

.nav {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--space-2); min-height: 4.5rem;
}

.brand {
  display: inline-flex; align-items: center; gap: 0.6rem;
  text-decoration: none; color: var(--color-fg); font-size: 1.05rem;
}
.brand strong { color: var(--color-primary-strong); font-weight: 800; }
.brand-mark { width: 2.1rem; height: 2.1rem; }

.nav-toggle {
  display: none; background: none; border: none;
  color: var(--color-fg); padding: 0.6rem; cursor: pointer;
}
.nav-toggle .icon { width: 1.5rem; height: 1.5rem; }
.nav-toggle .icon-close { display: none; }
.nav-toggle[aria-expanded="true"] .icon-menu { display: none; }
.nav-toggle[aria-expanded="true"] .icon-close { display: block; }

.nav-menu { display: flex; align-items: center; gap: var(--space-3); list-style: none; margin: 0; padding: 0; }
.nav-menu a:not(.btn) {
  text-decoration: none; color: var(--color-fg-muted); font-weight: 500;
  padding: 0.5rem 0; transition: color var(--duration); position: relative;
}
.nav-menu a:not(.btn)::after {
  content: ''; position: absolute; left: 0; bottom: -2px; height: 1px; width: 0;
  background: var(--color-primary); transition: width var(--duration) var(--ease-out);
}
.nav-menu a:not(.btn):hover { color: var(--color-fg); }
.nav-menu a:not(.btn):hover::after { width: 100%; }

@media (max-width: 900px) {
  .nav-toggle { display: block; }
  .nav-menu {
    display: none; position: fixed;
    top: 4.5rem; left: 0; right: 0;
    height: calc(100vh - 4.5rem);
    height: calc(100dvh - 4.5rem);
    flex-direction: column; align-items: stretch;
    background: rgba(6, 4, 12, 0.97);
    backdrop-filter: blur(20px);
    padding: var(--space-3);
    gap: var(--space-1);
    overflow-y: auto;
  }
  .nav-menu.is-open { display: flex; }
  .nav-menu a:not(.btn) { padding: 1rem 0; font-size: 1.1rem; }
  .nav-menu .btn { justify-content: center; margin-top: var(--space-1); }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: calc(var(--space-7) + 3rem) 0 var(--space-6);
  min-height: 92vh;
  display: flex; align-items: center;
  overflow: clip;
}
.hero-canvas-mount {
  position: absolute; inset: 0; z-index: 0;
  opacity: 0.9;
}
.hero-canvas-mount canvas { display: block; width: 100%; height: 100%; }
.hero::before {
  content: ''; position: absolute; inset: 0; z-index: 1;
  background: var(--gradient-mesh);
  pointer-events: none;
}
.hero::after {
  content: ''; position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(180deg, transparent 40%, var(--color-bg) 96%);
  pointer-events: none;
}
.hero-inner { position: relative; z-index: 2; max-width: 54rem; }

.hero h1 { overflow: hidden; }
.hero-line { display: block; overflow: hidden; }
.hero-line span { display: inline-block; will-change: transform; }

.hero-actions { display: flex; flex-wrap: wrap; gap: var(--space-2); margin: var(--space-3) 0; }

.hero-points {
  list-style: none; margin: var(--space-3) 0 0; padding: 0;
  display: flex; flex-wrap: wrap; gap: var(--space-1) var(--space-4);
  color: var(--color-fg-muted);
  font-size: 0.92rem;
}
.hero-points li { display: flex; align-items: center; gap: 0.6rem; }
.hero-points .icon { color: var(--color-accent); width: 1.1em; height: 1.1em; }

.scroll-cue {
  position: absolute; left: var(--space-3); bottom: var(--space-4); z-index: 2;
  display: flex; align-items: center; gap: 0.7rem;
  color: var(--color-fg-faint);
  font-family: var(--font-mono); font-size: 0.72rem;
  text-transform: uppercase; letter-spacing: 0.16em;
}
.scroll-cue-line { width: 1px; height: 34px; background: var(--color-border-strong); position: relative; overflow: hidden; }
.scroll-cue-line::after {
  content: ''; position: absolute; top: -100%; left: 0; width: 100%; height: 100%;
  background: var(--color-accent);
  animation: scrollcue 1.8s ease-in-out infinite;
}
@keyframes scrollcue { 0% { transform: translateY(0); } 100% { transform: translateY(200%); } }
@media (max-width: 900px) { .scroll-cue { display: none; } }

/* ---------- Marquee ---------- */
.marquee-strip {
  position: relative; z-index: 2;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-alt);
  overflow: hidden;
  padding: var(--space-2) 0;
}
.marquee-track {
  display: flex; width: max-content;
  animation: marquee 28s linear infinite;
}
.marquee-track span {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-fg-faint);
  padding: 0 var(--space-3);
  display: inline-flex; align-items: center; gap: var(--space-3);
  white-space: nowrap;
}
.marquee-track span em { font-style: normal; color: var(--color-primary-strong); }
.marquee-track span::after { content: '◆'; font-size: 0.5rem; color: var(--color-border-strong); }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .marquee-track { animation: none; } }

/* ---------- Sections ---------- */
.section { padding: var(--space-6) 0; position: relative; }
.section-muted { background: var(--color-bg-alt); }
.section-head { max-width: 42rem; margin-bottom: var(--space-4); }

/* ---------- Services: gallery ----------
   Default (and no-JS) layout is a normal wrapping grid — always fully visible
   and scrollable with the page. JS only upgrades to a pinned horizontal track
   on desktop once ScrollTrigger has actually initialized (see main.js). */
.gallery-wrap { position: relative; }
.gallery-viewport { overflow: visible; }
.gallery-track {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
  margin-top: var(--space-4);
}
@media (min-width: 640px) { .gallery-track { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .gallery-track { grid-template-columns: repeat(4, 1fr); } }

/* JS-only enhanced state */
.gallery-wrap.is-horizontal .gallery-viewport { overflow: hidden; }
.gallery-track.is-horizontal {
  grid-auto-flow: column;
  grid-auto-columns: 23rem;
  grid-template-columns: none;
  width: max-content;
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-4);
  transition: border-color var(--duration) var(--ease-out), background-color var(--duration) var(--ease-out), transform var(--duration) var(--ease-out);
  position: relative;
  backdrop-filter: blur(6px);
}
.card:hover {
  border-color: var(--color-border-strong);
  background: var(--color-surface-strong);
  transform: translateY(-4px);
}
.card p { color: var(--color-fg-muted); margin: 0; }
.card-index {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-fg-faint);
  letter-spacing: 0.1em;
  margin-bottom: var(--space-2);
  display: block;
}
.card-icon {
  display: inline-flex; padding: 0.75rem;
  border-radius: var(--radius-sm);
  background: var(--color-surface-strong);
  color: var(--color-primary-strong);
  margin-bottom: var(--space-2);
}
.card-icon .icon { width: 1.5rem; height: 1.5rem; }

.gallery-hint {
  display: none;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-fg-faint);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-top: var(--space-2);
}
.gallery-wrap.is-horizontal .gallery-hint { display: block; }

/* ---------- Process ---------- */
.steps {
  list-style: none; counter-reset: step;
  margin: var(--space-4) 0 0; padding: 0;
  display: grid; grid-template-columns: 1fr; gap: var(--space-3);
  position: relative;
}
@media (min-width: 640px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .steps { grid-template-columns: repeat(4, 1fr); } }

.step {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-3);
  position: relative;
}
.step p { color: var(--color-fg-muted); margin: 0; }
.step-num {
  font-family: var(--font-mono);
  font-size: 2.2rem; font-weight: 700;
  background: var(--gradient-brand);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  display: block; margin-bottom: var(--space-2);
  opacity: 0.9;
}

/* ---------- Stats ---------- */
.stat-grid { display: grid; grid-template-columns: 1fr; gap: var(--space-3); margin: var(--space-4) 0; }
@media (min-width: 640px) { .stat-grid { grid-template-columns: repeat(3, 1fr); } }

.stat {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-4) var(--space-3);
  text-align: center;
}
.stat-value {
  font-size: clamp(2.4rem, 5vw, 3.4rem);
  font-weight: 800;
  background: var(--gradient-brand);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  margin: 0;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}
.stat-unit { font-size: 1.1rem; margin-left: 0.2rem; }
.stat-label { color: var(--color-fg-muted); margin: 0.5rem 0 0; }

.quote {
  margin: var(--space-5) auto 0; max-width: 46rem; text-align: center; position: relative;
}
.quote-mark {
  font-family: var(--font-display); font-size: 5rem; font-weight: 800;
  background: var(--gradient-brand); -webkit-background-clip: text; background-clip: text; color: transparent;
  line-height: 1; display: block; opacity: 0.5; margin-bottom: -1rem;
}
.quote blockquote { margin: 0; }
.quote blockquote p { font-size: 1.4rem; font-weight: 500; color: var(--color-fg); }
.quote figcaption { color: var(--color-fg-muted); font-size: 0.95rem; font-family: var(--font-mono); letter-spacing: 0.04em; }

/* ---------- CTA ---------- */
.cta {
  position: relative;
  overflow: clip;
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.cta::before {
  content: ''; position: absolute; inset: 0;
  background: var(--gradient-mesh);
  opacity: 0.8;
}
.cta-inner { position: relative; z-index: 1; text-align: center; }
.cta .section-lead { margin-inline: auto; }
.cta .btn-accent { margin-top: var(--space-2); }

/* ---------- Footer ---------- */
.site-footer { padding: var(--space-5) 0; border-top: 1px solid var(--color-border); }
.footer-inner {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--space-3);
}
.footer-meta { display: grid; gap: 0.4rem; }
.site-footer p { color: var(--color-fg-muted); margin: 0; }
.footer-copy { font-size: 0.85rem; font-family: var(--font-mono); color: var(--color-fg-faint); }

/* ---------- Scroll reveal utility (JS controlled) ---------- */
.reveal { opacity: 0; transform: translateY(24px); }
.reveal.is-visible { opacity: 1; transform: none; transition: opacity 600ms var(--ease-out), transform 600ms var(--ease-out); }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1 !important; transform: none !important; }
}