/* =============================================================
   1. Tokens
   ============================================================= */
:root {
  --bg:       #0a0a0f;
  --bg-2:     #12121a;
  --bg-3:     #1a1a26;
  --ink:      #f0f0f5;
  --ink-soft: rgba(240,240,245,0.7);
  --ink-mute: rgba(240,240,245,0.4);
  --accent:   #2d7aff;
  --accent-2: #5b9cff;
  --accent-glow: rgba(45,122,255,0.15);
  --accent-glow-strong: rgba(45,122,255,0.3);
  --green-wa: #25d366;
  --line:     rgba(240,240,245,0.08);
  --sans:     'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --ease-out:  cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in:   cubic-bezier(0.7, 0, 0.84, 0);
  --ease-soft: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --gutter:    clamp(1.25rem, 4vw, 2.5rem);
  --max-w:     1200px;
}

/* =============================================================
   2. Reset & base
   ============================================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; }
html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}
body {
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
  overscroll-behavior-y: none;
}
img, svg, video { display: block; max-width: 100%; }
img { height: auto; }
button { font: inherit; color: inherit; cursor: pointer; border: 0; background: none; }
a { color: inherit; text-decoration: none; }
p { text-wrap: pretty; }
h1, h2, h3, h4 { text-wrap: balance; line-height: 1.05; letter-spacing: -0.02em; }
::selection { background: var(--accent); color: #fff; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

/* =============================================================
   3. Utilities
   ============================================================= */
.skip-link {
  position: fixed; top: -100px; left: 1rem;
  padding: .6rem 1rem; background: var(--ink); color: var(--bg);
  z-index: 9999; border-radius: 8px; font-weight: 500;
}
.skip-link:focus { top: 1rem; }
.accent-dot { color: var(--accent); }

.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* =============================================================
   4. Splash
   ============================================================= */
.splash {
  position: fixed; inset: 0; z-index: 10000;
  background: var(--bg);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 1.5rem;
  animation: splashOut 0.6s var(--ease-out) 2.8s forwards;
}
.splash-logo {
  animation: splashPulse 1.5s var(--ease-soft) infinite alternate;
}
.splash-text {
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  opacity: 0;
  animation: splashTextIn 0.8s var(--ease-out) 0.5s forwards;
}
@keyframes splashTextIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
.splash-bar {
  width: 120px; height: 2px;
  background: var(--line);
  border-radius: 2px; overflow: hidden;
}
.splash-bar-fill {
  width: 0; height: 100%;
  background: var(--accent);
  animation: splashFill 2.4s var(--ease-out) forwards;
}
@keyframes splashFill { to { width: 100%; } }
@keyframes splashPulse { from { opacity: 0.6; } to { opacity: 1; } }
@keyframes splashOut { to { opacity: 0; pointer-events: none; visibility: hidden; } }

/* =============================================================
   5. Cursor
   ============================================================= */
.cursor {
  position: fixed; top: 0; left: 0;
  pointer-events: none; z-index: 9999;
  display: none;
  mix-blend-mode: difference;
  opacity: 0;
  transition: opacity .25s var(--ease-out);
}
.cursor.is-ready { opacity: 1; }
@media (hover: hover) and (pointer: fine) { .cursor { display: block; } }
.cursor-dot, .cursor-ring {
  position: fixed; top: 0; left: 0;
  pointer-events: none; will-change: transform;
}
.cursor-dot {
  width: 5px; height: 5px; margin: -2.5px;
  background: var(--ink); border-radius: 50%;
}
.cursor-ring {
  width: 32px; height: 32px; margin: -16px;
  border: 1px solid var(--ink); border-radius: 50%;
  transition: width .35s var(--ease-out), height .35s var(--ease-out), margin .35s var(--ease-out);
}
.cursor.is-interactive .cursor-ring { width: 48px; height: 48px; margin: -24px; }
.has-cursor, .has-cursor a, .has-cursor button { cursor: none; }

/* =============================================================
   6. Nav
   ============================================================= */
.nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 1000; padding: 1rem var(--gutter);
  transition: background .4s var(--ease-out), backdrop-filter .4s var(--ease-out);
}
.nav.is-scrolled {
  background: rgba(10,10,15,0.85);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
}
.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-brand {
  display: flex; align-items: center; gap: .5rem;
}
.nav-brand-text {
  font-size: 1.15rem; font-weight: 600;
  letter-spacing: -0.01em;
}
.nav-links {
  display: none; align-items: center; gap: 2rem;
}
.nav-link {
  font-size: .875rem; font-weight: 400;
  color: var(--ink-soft);
  transition: color .3s var(--ease-out);
  position: relative;
}
.nav-link::after {
  content: ""; position: absolute; bottom: -4px; left: 0;
  width: 0; height: 1px; background: var(--accent);
  transition: width .4s var(--ease-out);
}
.nav-link:hover { color: var(--ink); }
.nav-link:hover::after { width: 100%; }
.nav-cta {
  font-size: .875rem; font-weight: 500;
  padding: .5rem 1.25rem;
  border: 1px solid var(--accent);
  border-radius: 100px;
  color: var(--accent);
  transition: background .3s var(--ease-out), color .3s var(--ease-out);
}
.nav-cta:hover { background: var(--accent); color: #fff; }

/* Hamburger */
.nav-toggle {
  display: flex; flex-direction: column; gap: 5px;
  padding: 8px 4px;
}
.nav-toggle span {
  display: block; width: 22px; height: 1.5px;
  background: var(--ink);
  transition: transform .3s var(--ease-out), opacity .3s;
}
.nav-toggle.is-open span:nth-child(1) { transform: rotate(45deg) translate(4px, 5px); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: rotate(-45deg) translate(4px, -5px); }

/* Mobile menu */
.mobile-menu {
  position: fixed; inset: 0; z-index: 999;
  background: rgba(10,10,15,0.97);
  backdrop-filter: blur(20px);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 2rem;
  opacity: 0; pointer-events: none;
  transition: opacity .4s var(--ease-out);
}
.mobile-menu.is-open { opacity: 1; pointer-events: auto; }
.mobile-menu-link {
  font-size: 1.5rem; font-weight: 400;
  color: var(--ink-soft);
  transition: color .3s;
}
.mobile-menu-link:hover { color: var(--ink); }
.mobile-menu-cta {
  font-size: 1.1rem; font-weight: 500;
  padding: .75rem 2rem;
  border: 1px solid var(--accent);
  border-radius: 100px; color: var(--accent);
  margin-top: 1rem;
  transition: background .3s, color .3s;
}
.mobile-menu-cta:hover { background: var(--accent); color: #fff; }

@media (min-width: 720px) {
  .nav-links { display: flex; }
  .nav-toggle { display: none; }
}

/* =============================================================
   7. Hero
   ============================================================= */
.hero {
  position: relative;
  min-height: 100vh; min-height: 100dvh;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.hero-gradient {
  position: absolute; inset: 0; z-index: 0;
  background:
    radial-gradient(ellipse 600px 600px at 30% 40%, rgba(45,122,255,0.12) 0%, transparent 70%),
    radial-gradient(ellipse 400px 400px at 70% 60%, rgba(91,156,255,0.08) 0%, transparent 70%),
    radial-gradient(ellipse 300px 300px at 50% 80%, rgba(45,122,255,0.06) 0%, transparent 70%);
  transition: background 0.15s;
}
.hero-grain {
  position: absolute; inset: 0; z-index: 1;
  opacity: 0.03; mix-blend-mode: overlay; pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 200px 200px;
}

/* Hero particles */
.hero-particles {
  position: absolute; inset: 0; z-index: 1;
  pointer-events: none; overflow: hidden;
}
.particle {
  position: absolute;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0;
  animation: particleFloat 20s var(--ease-soft) infinite;
}
.particle--1 {
  width: 4px; height: 4px;
  left: 15%; top: 20%;
  animation-delay: 0s;
  animation-duration: 18s;
}
.particle--2 {
  width: 3px; height: 3px;
  left: 75%; top: 30%;
  animation-delay: -4s;
  animation-duration: 22s;
}
.particle--3 {
  width: 5px; height: 5px;
  left: 40%; top: 70%;
  animation-delay: -8s;
  animation-duration: 20s;
}
.particle--4 {
  width: 2px; height: 2px;
  left: 85%; top: 60%;
  animation-delay: -12s;
  animation-duration: 24s;
}
.particle--5 {
  width: 3px; height: 3px;
  left: 25%; top: 80%;
  animation-delay: -6s;
  animation-duration: 19s;
}
.particle--6 {
  width: 4px; height: 4px;
  left: 60%; top: 15%;
  animation-delay: -10s;
  animation-duration: 21s;
}
@keyframes particleFloat {
  0%   { opacity: 0;    transform: translate(0, 0) scale(0); }
  10%  { opacity: 0.6;  transform: translate(10px, -20px) scale(1); }
  50%  { opacity: 0.3;  transform: translate(-30px, -60px) scale(0.8); }
  90%  { opacity: 0.5;  transform: translate(20px, -100px) scale(1.1); }
  100% { opacity: 0;    transform: translate(0, -120px) scale(0); }
}

.hero-content {
  position: relative; z-index: 2;
  text-align: center;
  padding: 6rem var(--gutter) 4rem;
  max-width: 900px;
}
.hero-kicker {
  font-size: .8rem; font-weight: 500;
  text-transform: uppercase; letter-spacing: .15em;
  color: var(--accent);
  margin-bottom: 1.5rem;
}
.hero-title {
  font-size: clamp(2.4rem, 7vw, 5rem);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}
.hero-line { display: block; }
.hero-line-accent em {
  font-style: normal;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  background-size: 200% 200%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmer 4s ease infinite;
}
@keyframes shimmer {
  0%, 100% { background-position: 0% 50%; }
  50%      { background-position: 100% 50%; }
}

/* Word-by-word reveal for hero title */
.hero-title .word {
  display: inline-block;
  opacity: 0;
  transform: translateY(40px) rotateX(20deg);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}
.hero-title.is-visible .word {
  opacity: 1;
  transform: translateY(0) rotateX(0);
}

.hero-sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--ink-soft);
  max-width: 560px;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
  font-weight: 300;
}
.hero-actions {
  display: flex; gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}
.hero-scroll-hint {
  position: absolute; bottom: 2rem; left: 50%;
  transform: translateX(-50%);
}
.hero-scroll-line {
  display: block; width: 1px; height: 48px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scrollPulse 2s var(--ease-soft) infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 1; transform: scaleY(1); }
  50% { opacity: 0.4; transform: scaleY(0.6); }
}

/* =============================================================
   8. Buttons
   ============================================================= */
.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .85rem 1.75rem;
  font-size: .9rem; font-weight: 500;
  border-radius: 100px;
  transition: transform .3s var(--ease-spring), box-shadow .3s var(--ease-out), background .3s var(--ease-out), color .3s var(--ease-out);
  will-change: transform;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0) scale(0.97); }
.btn-primary {
  background: var(--accent); color: #fff;
  box-shadow: 0 4px 20px rgba(45,122,255,0.25);
}
.btn-primary:hover { box-shadow: 0 8px 32px rgba(45,122,255,0.35); }
.btn-ghost {
  border: 1px solid var(--line);
  color: var(--ink-soft);
}
.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--ink);
}
.btn-whatsapp {
  background: var(--green-wa); color: #fff;
  box-shadow: 0 4px 20px rgba(37,211,102,0.2);
}
.btn-whatsapp:hover { box-shadow: 0 8px 32px rgba(37,211,102,0.3); }

/* =============================================================
   9. Sections shared
   ============================================================= */
.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 4rem;
  padding: 0 var(--gutter);
}
.section-kicker {
  font-size: .75rem; font-weight: 500;
  text-transform: uppercase; letter-spacing: .15em;
  color: var(--accent);
  margin-bottom: .75rem;
}
.section-title {
  font-size: clamp(1.8rem, 4.5vw, 3rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
}
.section-title em {
  font-style: normal;
  color: var(--ink-soft);
}
.section-sub {
  font-size: 1rem;
  color: var(--ink-mute);
  line-height: 1.7;
  font-weight: 300;
}

/* =============================================================
   10. Services
   ============================================================= */
.services {
  padding: 8rem 0;
  position: relative;
}
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.service-card {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 2.5rem 2rem;
  position: relative;
  overflow: hidden;
  transition: transform .5s var(--ease-out), border-color .4s var(--ease-out), box-shadow .4s var(--ease-out);
  will-change: transform;
}
.service-card:hover {
  border-color: rgba(45,122,255,0.2);
  box-shadow: 0 0 60px rgba(45,122,255,0.06);
}
.service-card-glow {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.4s;
  pointer-events: none;
  background: radial-gradient(circle at var(--glow-x, 50%) var(--glow-y, 50%), rgba(45,122,255,0.08) 0%, transparent 60%);
}
.service-card:hover .service-card-glow { opacity: 1; }
.service-card-icon {
  width: 56px; height: 56px;
  display: flex; align-items: center; justify-content: center;
  background: var(--accent-glow);
  border-radius: 14px;
  color: var(--accent);
  margin-bottom: 1.5rem;
  position: relative;
  z-index: 1;
}
.service-card-title {
  font-size: 1.35rem; font-weight: 600;
  margin-bottom: .75rem;
  letter-spacing: -0.01em;
  position: relative; z-index: 1;
}
.service-card-desc {
  font-size: .925rem; color: var(--ink-soft);
  line-height: 1.7; font-weight: 300;
  margin-bottom: 1.5rem;
  position: relative; z-index: 1;
}
.service-card-features {
  list-style: none; padding: 0;
  display: flex; flex-wrap: wrap; gap: .5rem;
  position: relative; z-index: 1;
}
.service-card-features li {
  font-size: .75rem; font-weight: 500;
  padding: .3rem .75rem;
  background: rgba(45,122,255,0.08);
  color: var(--accent-2);
  border-radius: 100px;
  letter-spacing: .02em;
}

@media (min-width: 720px) {
  .services-grid { grid-template-columns: repeat(3, 1fr); }
}

/* =============================================================
   10b. Projects
   ============================================================= */
.projects {
  padding: 8rem 0;
  background: var(--bg-2);
}
.projects-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.project-card {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 2rem;
  position: relative;
  overflow: hidden;
  transition: transform .5s var(--ease-out), border-color .4s var(--ease-out), box-shadow .4s var(--ease-out);
  will-change: transform;
}
.project-card:hover {
  border-color: rgba(45,122,255,0.2);
  box-shadow: 0 0 80px rgba(45,122,255,0.06);
}
.project-card-badge {
  display: inline-block;
  font-size: .7rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: .1em;
  padding: .3rem .75rem;
  background: var(--accent-glow);
  color: var(--accent-2);
  border-radius: 100px;
  margin-bottom: 1.5rem;
}
.project-card-visual {
  margin: 0 -0.5rem 1.5rem;
  padding: 1rem 0;
  border-radius: 12px;
  background: rgba(45,122,255,0.02);
  border: 1px solid rgba(45,122,255,0.05);
  display: flex; align-items: center; justify-content: center;
}
.project-illustration {
  width: 100%;
  max-width: 320px;
  height: auto;
}
.project-card-title {
  font-size: 1.25rem; font-weight: 600;
  margin-bottom: .75rem;
  letter-spacing: -0.01em;
}
.project-card-desc {
  font-size: .9rem; color: var(--ink-soft);
  line-height: 1.7; font-weight: 300;
  margin-bottom: 1.5rem;
}
.project-card-stack {
  list-style: none; padding: 0;
  display: flex; flex-wrap: wrap; gap: .5rem;
}
.project-card-stack li {
  font-size: .7rem; font-weight: 500;
  padding: .25rem .65rem;
  border: 1px solid var(--line);
  color: var(--ink-mute);
  border-radius: 100px;
  letter-spacing: .02em;
}

@media (min-width: 720px) {
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
}

.projects-grid .reveal:nth-child(2) { transition-delay: .15s; }

/* =============================================================
   11. Stats
   ============================================================= */
.stats {
  padding: 4rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.stats-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  text-align: center;
}
.stat-value {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, var(--ink), var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-suffix {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 300;
  color: var(--accent);
}
.stat-label {
  display: block;
  font-size: .8rem; font-weight: 400;
  color: var(--ink-mute);
  margin-top: .25rem;
  letter-spacing: .02em;
}

/* =============================================================
   12. Process
   ============================================================= */
.process {
  padding: 8rem 0;
}
.process-steps {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  position: relative;
}
.process-line {
  display: none;
}
.process-step {
  display: flex; gap: 1.5rem;
  padding: 2rem;
  border: 1px solid var(--line);
  border-radius: 16px;
  transition: border-color .4s var(--ease-out), background .4s var(--ease-out);
}
.process-step:hover {
  border-color: rgba(45,122,255,0.15);
  background: rgba(45,122,255,0.03);
}
.process-num {
  font-size: 2.5rem; font-weight: 600;
  color: var(--accent);
  line-height: 1;
  flex-shrink: 0;
  opacity: 0.3;
  min-width: 60px;
  transition: opacity 0.4s var(--ease-out);
}
.process-step:hover .process-num { opacity: 0.8; }
.process-step-title {
  font-size: 1.15rem; font-weight: 600;
  margin-bottom: .4rem;
}
.process-step-desc {
  font-size: .9rem; color: var(--ink-soft);
  line-height: 1.7; font-weight: 300;
}

@media (min-width: 960px) {
  .process-steps {
    grid-template-columns: repeat(2, 1fr);
    padding-left: calc(var(--gutter) + 30px);
  }
  .process-line {
    display: block;
    position: absolute;
    left: var(--gutter);
    top: 0; bottom: 0;
    width: 2px;
    background: var(--line);
    border-radius: 2px;
    overflow: hidden;
  }
  .process-line-fill {
    width: 100%; height: 0;
    background: linear-gradient(to bottom, var(--accent), var(--accent-2));
    border-radius: 2px;
    transition: height 0.05s linear;
  }
}

/* =============================================================
   12b. FAQ
   ============================================================= */
.faq {
  padding: 8rem 0;
  background: var(--bg-2);
}
.faq-list {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.faq-item {
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  transition: border-color 0.4s var(--ease-out), box-shadow 0.4s var(--ease-out);
}
.faq-item:hover {
  border-color: rgba(45,122,255,0.15);
}
.faq-item[open] {
  border-color: rgba(45,122,255,0.2);
  box-shadow: 0 0 40px rgba(45,122,255,0.04);
}
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.5rem 2rem;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 500;
  list-style: none;
  transition: color 0.3s var(--ease-out);
}
.faq-question::-webkit-details-marker { display: none; }
.faq-question::marker { content: ""; }
.faq-question:hover { color: var(--accent-2); }
.faq-chevron {
  flex-shrink: 0;
  color: var(--ink-mute);
  transition: transform 0.4s var(--ease-out), color 0.3s;
}
.faq-item[open] .faq-chevron {
  transform: rotate(180deg);
  color: var(--accent);
}
.faq-answer {
  padding: 0 2rem 1.5rem;
  animation: faqSlideIn 0.4s var(--ease-out);
}
.faq-answer p {
  font-size: .925rem;
  color: var(--ink-soft);
  line-height: 1.8;
  font-weight: 300;
}
@keyframes faqSlideIn {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* FAQ stagger */
.faq-list .reveal:nth-child(2) { transition-delay: .06s; }
.faq-list .reveal:nth-child(3) { transition-delay: .12s; }
.faq-list .reveal:nth-child(4) { transition-delay: .18s; }
.faq-list .reveal:nth-child(5) { transition-delay: .24s; }
.faq-list .reveal:nth-child(6) { transition-delay: .30s; }

/* =============================================================
   13. About
   ============================================================= */
.about {
  padding: 8rem 0;
}
.about-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: 1fr;
  gap: 4rem;
  align-items: center;
}
.about-desc {
  font-size: 1rem; color: var(--ink-soft);
  line-height: 1.8; font-weight: 300;
  margin-top: 1rem;
}
.about-visual {
  display: flex; align-items: center; justify-content: center;
}
.about-orb {
  position: relative;
  width: 240px; height: 240px;
}
.about-orb-ring {
  position: absolute; inset: 0;
  border: 1px solid rgba(45,122,255,0.15);
  border-radius: 50%;
  animation: orbSpin 20s linear infinite;
}
.about-orb-ring--2 {
  inset: 20px;
  border-color: rgba(45,122,255,0.25);
  animation-direction: reverse;
  animation-duration: 15s;
}
.about-orb-ring--3 {
  inset: 45px;
  border-color: rgba(45,122,255,0.1);
  border-style: dashed;
  animation-duration: 25s;
}
.about-orb-core {
  position: absolute;
  inset: 60px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent-glow-strong), var(--accent-glow), transparent);
  animation: orbPulse 4s var(--ease-soft) infinite alternate;
}
.about-orb-dot {
  position: absolute;
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--accent);
}
.about-orb-dot--1 {
  top: 0; left: 50%;
  margin-left: -3px;
  animation: orbSpin 20s linear infinite;
  transform-origin: 3px 120px;
}
.about-orb-dot--2 {
  top: 20px; left: 50%;
  margin-left: -3px;
  animation: orbSpin 15s linear infinite reverse;
  transform-origin: 3px 100px;
}
.about-orb-dot--3 {
  top: 45px; left: 50%;
  margin-left: -3px;
  animation: orbSpin 25s linear infinite;
  transform-origin: 3px 75px;
}
@keyframes orbSpin { to { transform: rotate(360deg); } }
@keyframes orbPulse { from { transform: scale(0.9); opacity: 0.6; } to { transform: scale(1.1); opacity: 1; } }

@media (min-width: 720px) {
  .about-inner { grid-template-columns: 1.2fr 0.8fr; }
}

/* =============================================================
   14. Contact
   ============================================================= */
.contact {
  padding: 8rem 0;
  position: relative;
  overflow: hidden;
}
.contact-inner {
  position: relative; z-index: 1;
  max-width: 700px;
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.contact-title {
  font-size: clamp(2rem, 5vw, 3.2rem);
}
.contact-actions {
  display: flex; flex-direction: column;
  gap: 1rem;
  align-items: center;
  margin-top: 2.5rem;
}
.contact-gradient {
  position: absolute;
  bottom: -200px; left: 50%; transform: translateX(-50%);
  width: 800px; height: 500px;
  background: radial-gradient(ellipse, rgba(45,122,255,0.1) 0%, transparent 70%);
  pointer-events: none;
}

@media (min-width: 540px) {
  .contact-actions { flex-direction: row; justify-content: center; }
}

/* =============================================================
   15. Footer
   ============================================================= */
.footer {
  padding: 3rem 0;
  border-top: 1px solid var(--line);
}
.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
  text-align: center;
}
.footer-name {
  font-size: 1rem; font-weight: 600;
}
.footer-tagline {
  font-size: .8rem; color: var(--ink-mute);
  display: block; margin-top: .25rem;
}
.footer-copy {
  font-size: .75rem; color: var(--ink-mute);
}

@media (min-width: 720px) {
  .footer-inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

/* =============================================================
   16. Reveal animations
   ============================================================= */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .8s var(--ease-out), transform .8s var(--ease-out);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Scale-up variant */
.reveal-scale {
  opacity: 0;
  transform: scale(0.92) translateY(20px);
  transition: opacity .8s var(--ease-out), transform .8s var(--ease-spring);
}
.reveal-scale.is-visible {
  opacity: 1;
  transform: scale(1) translateY(0);
}

/* Stagger children */
.services-grid .reveal:nth-child(2) { transition-delay: .1s; }
.services-grid .reveal:nth-child(3) { transition-delay: .2s; }
.process-steps .reveal:nth-child(2) { transition-delay: .1s; }
.process-steps .reveal:nth-child(3) { transition-delay: .2s; }
.process-steps .reveal:nth-child(4) { transition-delay: .3s; }

/* =============================================================
   17. Reduced motion
   ============================================================= */
@media (prefers-reduced-motion: reduce) {
  .splash { animation-duration: 0.3s; }
  .splash-bar-fill { animation-duration: 1s; }
  .about-orb-ring, .about-orb-dot { animation: none; }
  .about-orb-core { animation: none; }
  .hero-scroll-line { animation: none; }
  .particle { animation: none; }
  .hero-line-accent em { animation: none; }
  .hero-title .word {
    opacity: 1;
    transform: none;
    transition: none;
  }
}