/* ─── CSS Custom Properties (Design Tokens — Mobile-First) ─ */
:root {
  /* Colors */
  --bg: #161616;
  --surface: #111111;
  --surface-2: #1a1a1a;
  --surface-3: #222222;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.15);
  --border-active: rgba(66, 160, 237, 0.4);
  --text: #e8e8e8;
  --muted: #a0a0a0;
  --accent: #42a0ed;
  --accent-dark: #267cc1;
  --purple: #7544ea;
  --gradient: linear-gradient(135deg, #42a0ed, #7544ea);

  /* Typography scale (mobile-first, clamp for desktop) */
  --h1: clamp(36px, 10vw, 72px);
  --h2: clamp(26px, 7vw, 48px);
  --h3: clamp(20px, 5vw, 28px);
  --body: 16px;
  --small: 13px;
  --micro: 11px;

  --lh-headline: 1.08;
  --lh-h2: 1.15;
  --lh-h3: 1.2;
  --lh-body: 1.7;
  --lh-small: 1.5;
  --lh-micro: 1.4;

  /* Spacing (base 8px) */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  /* section gap mobile */
  --space-4xl: 96px;
  /* section gap desktop */

  /* Container */
  --px-mobile: 20px;
  --px-desktop: clamp(40px, 5vw, 80px);

  /* Borders & radii */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;

  /* Motion */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-luxury: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --dur-micro: 200ms;
  --dur-reveal: 600ms;

  /* Glows */
  --glow-accent: 0 0 40px rgba(66, 160, 237, 0.15);
  --glow-purple: 0 0 40px rgba(117, 68, 234, 0.15);
}

/* ─── Base Reset ─────────────────────────────────────────── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font-roboto), 'Roboto', sans-serif;
  font-size: var(--body);
  line-height: var(--lh-body);
}

/* ─── Selection ──────────────────────────────────────────── */
::selection {
  background-color: rgba(66, 160, 237, 0.25);
  color: var(--text);
}

/* ─── Custom Scrollbar ───────────────────────────────────── */
::-webkit-scrollbar {
  width: 4px;
}

::-webkit-scrollbar-track {
  background: var(--surface);
}

::-webkit-scrollbar-thumb {
  background: rgba(66, 160, 237, 0.3);
  border-radius: 99px;
}

/* ─── Focus ──────────────────────────────────────────────── */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ─── Typography helpers ─────────────────────────────────── */
.font-poppins {
  font-family: var(--font-poppins), 'Poppins', sans-serif;
}

.font-roboto {
  font-family: var(--font-roboto), 'Roboto', sans-serif;
}

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

/* ─── Container ──────────────────────────────────────────── */
.container-site {
  width: 100%;
  max-width: 1280px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--px-mobile);
  padding-right: var(--px-mobile);
}

@media (min-width: 768px) {
  .container-site {
    padding-left: var(--px-desktop);
    padding-right: var(--px-desktop);
  }
}

/* ─── Section padding ────────────────────────────────────── */
.section-padding {
  padding-top: var(--space-3xl);
  padding-bottom: var(--space-3xl);
}

@media (min-width: 768px) {
  .section-padding {
    padding-top: var(--space-4xl);
    padding-bottom: var(--space-4xl);
  }
}

/* ─── Glass ──────────────────────────────────────────────── */
.glass {
  background: rgba(22, 22, 22, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.glass-card {
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

/* ─── REVEAL SYSTEM ──────────────────────────────────────── */
/* Initial hidden state — applied by JS */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--dur-reveal) var(--ease-out),
    transform var(--dur-reveal) var(--ease-out);
  will-change: opacity, transform;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger group — children get stagger delay via CSS var */
.reveal-group>* {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--dur-reveal) var(--ease-out),
    transform var(--dur-reveal) var(--ease-out);
  will-change: opacity, transform;
}

.reveal-group.is-visible>*:nth-child(1) {
  opacity: 1;
  transform: none;
  transition-delay: 0ms;
}

.reveal-group.is-visible>*:nth-child(2) {
  opacity: 1;
  transform: none;
  transition-delay: 60ms;
}

.reveal-group.is-visible>*:nth-child(3) {
  opacity: 1;
  transform: none;
  transition-delay: 120ms;
}

.reveal-group.is-visible>*:nth-child(4) {
  opacity: 1;
  transform: none;
  transition-delay: 180ms;
}

.reveal-group.is-visible>*:nth-child(5) {
  opacity: 1;
  transform: none;
  transition-delay: 240ms;
}

.reveal-group.is-visible>*:nth-child(6) {
  opacity: 1;
  transform: none;
  transition-delay: 300ms;
}

.reveal-group.is-visible>*:nth-child(7) {
  opacity: 1;
  transform: none;
  transition-delay: 360ms;
}

.reveal-group.is-visible>*:nth-child(8) {
  opacity: 1;
  transform: none;
  transition-delay: 420ms;
}

/* ─── Hairline border ────────────────────────────────────── */
.border-hairline {
  border: 1px solid var(--border);
}

.border-hairline-active {
  border: 1px solid var(--border-active);
}

/* ─── Marquee ────────────────────────────────────────────── */
@keyframes marquee {
  0% {
    transform: translateX(0);
  }

  100% {
    transform: translateX(-50%);
  }
}

.animate-marquee {
  display: flex;
  animation: marquee 22s linear infinite;
  will-change: transform;
}

/* ─── Float indicator ────────────────────────────────────── */
@keyframes float {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-8px);
  }
}

.animate-float {
  animation: float 4s ease-in-out infinite;
}

/* ─── Shimmer gradient text ──────────────────────────────── */
@keyframes shimmer {
  0% {
    background-position: 0% center;
  }

  100% {
    background-position: 200% center;
  }
}

.gradient-text-animated {
  background: linear-gradient(135deg, #42a0ed, #7544ea, #42a0ed);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmer 4s linear infinite;
}

/* ─── Tap highlight override ─────────────────────────────── */
a,
button {
  -webkit-tap-highlight-color: transparent;
}

/* ─── Accordion transition ───────────────────────────────── */
.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 300ms var(--ease-out);
}

.accordion-content.open {
  max-height: 500px;
}

/* ─── Section divider ────────────────────────────────────── */
.section-divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg,
      transparent 0%,
      var(--border) 25%,
      var(--border) 75%,
      transparent 100%);
}

/* ─── prefers-reduced-motion ─────────────────────────────── */
@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;
  }

  .reveal,
  .reveal-group>* {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* --- Services / Ecosystem Section --- */
  :root {
    --card-w: min(450px, 90vw);
    --card-gap: 32px;
  }

  .services-section-wrapper {
    position: relative;
    background: #0a0a0a;
    z-index: 10;
  }

  .services-parallax-container {
    height: 400vh;
    position: relative;
    /* perspective removed - it created stacking contexts blocking pointer-events on child cards */
  }

  .services-sticky-viewport {
    position: sticky;
    top: 0;
    height: 100vh;
    width: 100%;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle at 50% 50%, #151515 0%, #0a0a0a 100%);
    transform-style: preserve-3d;
  }

  .services-header-fixed {
    text-align: center;
    margin-bottom: 50px;
    z-index: 50;
    padding: 0 30px;
    /* Never capture mouse events - cards behind it must always be clickable */
    pointer-events: none;
  }
  /* But dots inside the header ARE interactive */
  .services-header-fixed .services-step-dots,
  .services-header-fixed .nav-dot {
    pointer-events: auto;
  }

  .badge-ecossistema {
    display: inline-block;
    font: 700 0.75rem 'Roboto', sans-serif;
    color: #42A0ED;
    text-transform: uppercase;
    letter-spacing: 2.5px;
    padding: 6px 16px;
    border: 1px solid rgba(66,160,237,0.3);
    border-radius: 100px;
    background: rgba(66,160,237,0.1);
    margin-bottom: 20px;
  }

  .services-header-fixed h2 {
    font: 800 clamp(2rem, 6vw, 3.4rem)/1.1 'Poppins', sans-serif;
    color: #fff;
    margin-bottom: 16px;
    text-shadow: 0 4px 10px rgba(0,0,0,0.5);
  }

  .services-sub-text {
    font: 400 1rem/1.6 'Roboto', sans-serif;
    color: rgba(255,255,255,0.45);
    max-width: 480px;
    margin: 0 auto;
  }

  .services-step-dots {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 32px;
  }

  .nav-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: rgba(255,255,255,0.15);
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    cursor: pointer;
  }
  .nav-dot--active {
    width: 32px;
    border-radius: 10px;
    background: linear-gradient(90deg, #42A0ED, #7544EA);
    box-shadow: 0 0 15px rgba(66,160,237,0.4);
  }

  .services-horizontal-rail {
    display: flex;
    flex-direction: row;
    align-items: center;
    width: max-content;
    will-change: transform;
    z-index: 30;
    align-self: flex-start;
    /* transform-style removed - no longer needed without perspective on parent */
  }

  .svc-card {
    width: var(--card-w);
    height: 590px;
    flex-shrink: 0;
    margin-right: var(--card-gap);
    background: rgba(255,255,255,0.025);
    backdrop-filter: blur(25px);
    border-radius: 28px;
    border: 1px solid rgba(255,255,255,0.08);
    padding: 40px;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    /* preserve-3d removed from cards - simplifies stacking and avoids events being blocked */
    transition: none;
    will-change: transform, opacity;
    /* Always allow pointer events - visibility controlled by opacity, not pointer-events */
    pointer-events: auto;
  }
  /* Ensure buttons inside cards are always clickable */
  .svc-card .card-cta-btn,
  .svc-card button,
  .svc-card a {
    pointer-events: auto;
    position: relative;
    z-index: 5;
  }

  .services-horizontal-rail > article:nth-last-of-type(1) {
    margin-right: 0;
  }

  .card-visual-top {
    width: 100%;
    height: 180px;
    background: #000;
    border-radius: 20px;
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255,255,255,0.06);
    position: relative;
    overflow: hidden;
  }

  .card-visual-top::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at center, var(--glow-color) 0%, transparent 80%);
    opacity: 0.15;
  }

  .card-visual-top svg {
    width: 85%; height: 85%;
    position: relative;
    z-index: 2;
  }

  .card-tag-ui {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font: 700 0.65rem 'Roboto', sans-serif;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 7px 14px;
    border-radius: 100px;
    margin-bottom: 18px;
  }

  .card-tag--blue { color: #42A0ED; background: rgba(66,160,237,0.12); border: 1px solid rgba(66,160,237,0.25); }
  .card-tag--gradient { color: #fff; background: linear-gradient(135deg, #42A0ED, #7544EA); border: none; }
  .card-tag--purple { color: #9B5DE5; background: rgba(155,93,229,0.12); border: 1px solid rgba(155,93,229,0.25); }

  .card-title {
    font: 800 2.4rem/1.1 'Poppins', sans-serif;
    color: #fff;
    margin-bottom: 14px;
    letter-spacing: -0.02em;
  }

  .card-desc-text {
    font: 400 0.95rem/1.6 'Roboto', sans-serif;
    color: rgba(255,255,255,0.4);
    margin-bottom: 24px;
  }

  .card-bullet-list {
    list-style: none;
    padding: 0;
    margin: 0 0 32px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    flex: 1;
  }

  .card-bullet-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    font: 400 0.92rem 'Roboto', sans-serif;
    color: rgba(255,255,255,0.7);
  }

  .check-mark { color: #42A0ED; font-weight: 800; }

  .card-cta-btn {
    width: 100%;
    padding: 16px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 14px;
    color: #fff;
    font: 600 1rem 'Roboto', sans-serif;
    cursor: pointer;
    transition: all 0.3s ease;
  }

  .card-cta-btn:hover {
    background: #42A0ED;
    border-color: #42A0ED;
    box-shadow: 0 10px 25px rgba(66,160,237,0.3);
    transform: translateY(-2px);
  }

  .card-gloss-fx {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 10;
    transition: opacity 0.4s ease;
  }

  @keyframes pulse-fx { 0%,100% { opacity: 0.6; } 50% { opacity: 1; } }
  .pulse-slow { animation: pulse-fx 3s infinite; }
  .pulse-fast { animation: pulse-fx 1.5s infinite; }

  @keyframes float-fx { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
  .float-element { animation: float-fx 4s ease-in-out infinite; }

  .rail-edge-spacer {
      width: calc(50vw - (var(--card-w) / 2));
      flex-shrink: 0;
  }

  @media (max-width: 767px) {
    .services-sticky-viewport { 
      justify-content: flex-start; 
      padding-top: 0; 
      top: -160px;
      height: calc(100vh + 160px);
      padding-bottom: 20px; 
    }
    
    .services-header-fixed { 
      position: absolute; 
      top: 40px; 
      left: 0;
      right: 0;
      margin-bottom: 0;
      z-index: 20; 
    }
    .services-header-fixed h2 {
      font-size: clamp(1.6rem, 5vw, 2.2rem);
      margin-bottom: 8px;
    }
    .services-sub-text {
      font-size: 0.85rem;
      max-width: 320px;
    }
    .services-step-dots {
      margin-top: 16px;
    }
    
    .services-horizontal-rail {
      margin-bottom: 0;
      margin-top: 280px; 
    }
    .svc-card { 
      height: auto; 
      min-height: 480px; 
      padding: 24px; 
      border-radius: 20px; 
    }
    .card-visual-top { height: 130px; margin-bottom: 20px; }
    .card-title { font-size: 1.6rem; }
    .card-desc-text { font-size: 0.88rem; margin-bottom: 16px; }
    .card-bullet-list { margin-bottom: 20px; }
    .rail-edge-spacer { width: calc(50vw - (var(--card-w) / 2)); }
    .services-parallax-container { height: 450vh; }
  }