/* =============================================================
   1. Tokens
   ============================================================= */
:root {
  --bg:        #09090F;
  --bg-2:      #111122;
  --panel:     #15152a;
  --white:     #FFFFFF;
  --ink:       #F5F5F8;
  --ink-soft:  #E5E7EB;
  --ink-mute:  #9CA3AF;

  --accent:        #6A4DFF;
  --accent-bright: #8B5CFF;
  --accent-dark:   #3B1FA8;

  --gradient-light: linear-gradient(135deg, #6A4DFF 0%, #8F6BFF 55%, #FFFFFF 100%);
  --gradient-dark:  linear-gradient(135deg, #2C0D78 0%, #6A4DFF 55%, #A98BFF 100%);

  --whatsapp: #25D366;

  --line:  rgba(245, 245, 248, 0.12);
  --glass: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.12);

  --font-display: "Satoshi", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-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-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);

  --nav-height: 84px;
}

/* =============================================================
   2. Reset & base
   ============================================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; }
html {
  -webkit-text-size-adjust: 100%;
  tab-size: 2;
  scroll-behavior: smooth;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}
body {
  background: var(--bg);
  color: var(--ink-soft);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  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 {
  font-family: var(--font-display);
  color: var(--white);
  text-wrap: balance;
  line-height: 1.05;
  letter-spacing: -0.02em;
  font-weight: 700;
}
ul { list-style: none; padding: 0; }
::selection { background: var(--accent); color: var(--white); }

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

.skip-link {
  position: fixed; top: -100px; left: 1rem;
  padding: .6rem 1rem; background: var(--white); color: var(--bg);
  z-index: 9999; border-radius: 8px; font-weight: 600;
  transition: top .25s var(--ease-out);
}
.skip-link:focus { top: 1rem; }

/* =============================================================
   3. Utilities
   ============================================================= */
.container {
  width: 100%;
  max-width: 1160px;
  margin-inline: auto;
  padding-inline: 1.25rem;
}

.kicker {
  display: inline-block;
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--accent-bright);
  margin-bottom: 1rem;
}

.section { padding-block: 6rem; }
.section-alt { background: var(--bg-2); }
.section-title {
  font-size: clamp(1.8rem, 3.4vw, 2.6rem);
  max-width: 22ch;
  margin-bottom: 2.75rem;
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .8s var(--ease-out), transform .8s var(--ease-out);
}
.reveal.is-visible { opacity: 1; transform: none; }
.reveal[data-split] { opacity: 1; transform: none; }

/* =============================================================
   4. Buttons & Logo
   ============================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .95rem 1.75rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: .95rem;
  white-space: nowrap;
  transition: transform .35s var(--ease-out), box-shadow .35s var(--ease-out), filter .35s var(--ease-out);
}
.btn-primary {
  background: var(--gradient-light);
  color: #0a0a12;
  box-shadow: 0 8px 30px -8px rgba(106, 77, 255, .65);
}
.btn-primary:hover { filter: brightness(1.08); box-shadow: 0 12px 36px -6px rgba(106, 77, 255, .8); }
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--glass-border);
}
.btn-ghost:hover { background: var(--glass); border-color: var(--accent-bright); }
.btn-small { padding: .6rem 1.2rem; font-size: .85rem; }
.btn-lg { padding: 1.15rem 2.25rem; font-size: 1.05rem; }
.btn-full { width: 100%; }

.logo {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
}
.logo-mark {
  display: inline-flex;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.4rem;
  line-height: 1;
}
.logo-p { color: var(--white); }
.logo-ai {
  background: var(--gradient-light);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.logo-word {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--white);
}
.logo-word em {
  font-style: normal;
  background: var(--gradient-light);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* =============================================================
   5. Nav
   ============================================================= */
.nav {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: 100;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background .4s var(--ease-out), border-color .4s var(--ease-out), backdrop-filter .4s var(--ease-out);
}
.nav.is-scrolled {
  background: rgba(9, 9, 15, 0.72);
  border-bottom-color: var(--line);
}
@supports (backdrop-filter: blur(16px)) {
  .nav.is-scrolled { backdrop-filter: blur(16px) saturate(160%); -webkit-backdrop-filter: blur(16px) saturate(160%); }
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}
.nav-links {
  display: none;
  align-items: center;
  gap: 2rem;
}
.nav-links a {
  position: relative;
  font-size: .92rem;
  font-weight: 500;
  color: var(--ink-soft);
}
.nav-links a span { position: relative; }
.nav-links a span::after {
  content: "";
  position: absolute;
  left: 0; right: 100%;
  bottom: -6px;
  height: 1px;
  background: var(--accent-bright);
  transition: right .35s var(--ease-out);
}
.nav-links a:hover span::after { right: 0; }
.nav-links a:hover { color: var(--white); }

.nav-cta { display: none; }
.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 42px; height: 42px;
  border-radius: 12px;
  border: 1px solid var(--glass-border);
  flex-shrink: 0;
}
.nav-toggle span {
  display: block;
  width: 18px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform .3s var(--ease-out), opacity .3s var(--ease-out);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  position: fixed;
  top: var(--nav-height);
  inset-inline: 0;
  z-index: 99;
  display: flex;
  flex-direction: column;
  gap: .25rem;
  padding: 1.25rem;
  background: rgba(9, 9, 15, 0.96);
  border-bottom: 1px solid var(--line);
  transform: translateY(-12px);
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s var(--ease-out), transform .3s var(--ease-out);
}
@supports (backdrop-filter: blur(16px)) {
  .mobile-menu { backdrop-filter: blur(16px) saturate(160%); -webkit-backdrop-filter: blur(16px) saturate(160%); }
}
.mobile-menu.is-open { opacity: 1; transform: translateY(0); pointer-events: auto; }
.mobile-menu a {
  padding: .85rem .25rem;
  font-size: 1rem;
  font-weight: 500;
  color: var(--ink-soft);
  border-bottom: 1px solid var(--line);
}
.mobile-menu .btn { margin-top: .75rem; }

@media (min-width: 960px) {
  .nav-links { display: flex; }
  .nav-cta { display: inline-flex; }
  .nav-toggle { display: none; }
  .mobile-menu { display: none; }
}

/* =============================================================
   6. Hero
   ============================================================= */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-height);
  overflow: clip;
}
.hero-gradient {
  position: absolute; inset: 0; z-index: 0;
  background:
    radial-gradient(circle 620px at var(--mx, 30%) var(--my, 30%), rgba(106, 77, 255, 0.55) 0%, transparent 60%),
    radial-gradient(circle 720px at calc(100% - var(--mx, 30%)) calc(100% - var(--my, 30%)), rgba(139, 92, 255, 0.35) 0%, transparent 60%),
    var(--bg);
  filter: blur(50px) saturate(140%);
  transition: background .6s ease-out;
}
.hero-grid {
  position: absolute; inset: 0; z-index: 1;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, black 40%, transparent 90%);
  opacity: .35;
}
.hero-nodes {
  position: absolute;
  top: 8%;
  right: -8%;
  width: min(640px, 60vw);
  height: auto;
  z-index: 1;
  opacity: .5;
}
.hero-inner { position: relative; z-index: 2; max-width: 46rem; }
.hero-title {
  font-size: clamp(2.6rem, 6.4vw, 4.6rem);
  margin-bottom: 1.5rem;
}
.hero-title em {
  font-style: normal;
  background: var(--gradient-light);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-sub {
  font-size: clamp(1.02rem, 1.6vw, 1.2rem);
  color: var(--ink-mute);
  max-width: 42ch;
  margin-bottom: 2.25rem;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; }

/* =============================================================
   7. Trust bar
   ============================================================= */
.trust { padding-block: 2.75rem; border-block: 1px solid var(--line); background: var(--bg-2); }
.trust-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: .75rem;
  font-size: .88rem;
  color: var(--ink-mute);
}
.trust-item svg { width: 20px; height: 20px; color: var(--accent-bright); flex-shrink: 0; }
@media (min-width: 720px) {
  .trust-inner { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1280px) {
  .trust-inner { grid-template-columns: repeat(4, 1fr); }
}

/* =============================================================
   8. Grids & Cards
   ============================================================= */
.grid { display: grid; gap: 1.5rem; }
.grid-2 { grid-template-columns: 1fr; }
.grid-4 { grid-template-columns: 1fr; }
@media (min-width: 720px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1280px) {
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

.card {
  position: relative;
  padding: 2rem 1.75rem;
  border-radius: 20px;
  background: var(--panel);
  border: 1px solid var(--line);
  transition: transform .4s var(--ease-out), border-color .4s var(--ease-out);
  transform-style: preserve-3d;
  will-change: transform;
}
.card:hover { border-color: var(--glass-border); }
.card-icon {
  width: 30px; height: 30px;
  color: var(--accent-bright);
  margin-bottom: 1.25rem;
}
.card h3 {
  font-size: 1.1rem;
  margin-bottom: .6rem;
}
.card p { font-size: .95rem; color: var(--ink-mute); }

.card-glass {
  background: rgba(255,255,255,0.7);
}
@supports (backdrop-filter: blur(20px)) {
  .card-glass {
    background: var(--glass);
    backdrop-filter: blur(20px) saturate(160%);
    -webkit-backdrop-filter: blur(20px) saturate(160%);
  }
}

.case-card {
  padding: 2.25rem;
  border-radius: 24px;
  background: linear-gradient(160deg, var(--panel) 0%, var(--bg-2) 100%);
  border: 1px solid var(--line);
  transform-style: preserve-3d;
  will-change: transform;
  transition: transform .4s var(--ease-out), border-color .4s var(--ease-out);
}
.case-card:hover { border-color: var(--accent); }
.case-tag {
  display: inline-block;
  font-size: .78rem;
  font-weight: 600;
  color: var(--accent-bright);
  background: rgba(106, 77, 255, 0.12);
  border: 1px solid rgba(106, 77, 255, 0.3);
  padding: .3rem .75rem;
  border-radius: 999px;
  margin-bottom: 1rem;
}
.case-card h3 { font-size: 1.4rem; margin-bottom: .75rem; }
.case-card p { color: var(--ink-mute); }

/* =============================================================
   9. Process
   ============================================================= */
.process-list { display: flex; flex-direction: column; gap: 2.5rem; max-width: 42rem; }
.process-item { display: flex; gap: 1.75rem; align-items: flex-start; }
.process-number {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 900;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--accent-bright);
  flex-shrink: 0;
  line-height: 1;
  padding-top: .1rem;
}
.process-item h3 { font-size: 1.15rem; margin-bottom: .5rem; }
.process-item p { color: var(--ink-mute); font-size: .95rem; }

/* =============================================================
   10. Contact form
   ============================================================= */
.section-contact { padding-block: 6rem; }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: start;
}
.contact-lead { color: var(--ink-mute); margin-top: 1rem; max-width: 34ch; }
.contact-instagram {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  margin-top: 1.25rem;
  font-size: .9rem;
  font-weight: 600;
  color: var(--accent-bright);
  transition: color .25s var(--ease-out);
}
.contact-instagram svg { width: 20px; height: 20px; }
.contact-instagram:hover { color: var(--white); }
@media (min-width: 960px) {
  .contact-grid { grid-template-columns: 1fr 1fr; }
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 2rem;
}
.field { display: flex; flex-direction: column; gap: .5rem; }
.field label { font-size: .85rem; font-weight: 600; color: var(--ink-soft); }
.field input, .field textarea {
  font: inherit;
  color: var(--white);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: .8rem 1rem;
  transition: border-color .25s var(--ease-out), background .25s var(--ease-out);
}
.field input:focus, .field textarea:focus {
  outline: none;
  border-color: var(--accent-bright);
  background: rgba(255,255,255,0.06);
}
.field textarea { resize: vertical; min-height: 5rem; }
.form-note { font-size: .8rem; color: var(--ink-mute); text-align: center; }

/* =============================================================
   11. CTA final
   ============================================================= */
.cta-final {
  position: relative;
  padding-block: 6rem;
  overflow: clip;
  text-align: center;
}
.hero-gradient-alt { filter: blur(70px) saturate(150%); }
.cta-final-inner { position: relative; z-index: 1; }
.cta-final h2 {
  font-size: clamp(1.9rem, 4vw, 2.8rem);
  margin-bottom: 1rem;
}
.cta-final p {
  color: var(--ink-mute);
  margin-bottom: 2rem;
  font-size: 1.05rem;
}

/* =============================================================
   12. Footer
   ============================================================= */
.footer {
  background: var(--bg-2);
  border-top: 1px solid var(--line);
  padding-block: 3.5rem 2.5rem;
}
.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1.25rem;
}
.footer-tagline { color: var(--ink-mute); font-size: .95rem; }
.footer-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 1.5rem; font-size: .9rem; }
.footer-links a { color: var(--ink-mute); transition: color .25s var(--ease-out); }
.footer-links a:hover { color: var(--white); }
.footer-social {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: .5rem 1.5rem;
}
.footer-whatsapp {
  font-size: .9rem;
  font-weight: 600;
  color: var(--accent-bright);
}
.footer-whatsapp:hover { color: var(--white); }
.footer-copy { font-size: .8rem; color: var(--ink-mute); opacity: .7; margin-top: .5rem; }

/* =============================================================
   13. Floating WhatsApp button
   ============================================================= */
.fab-whatsapp {
  position: fixed;
  right: 1.5rem;
  bottom: 1.5rem;
  z-index: 90;
  width: 60px; height: 60px;
  border-radius: 50%;
  background: var(--whatsapp);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 30px -6px rgba(37, 211, 102, .55);
  transition: transform .3s var(--ease-bounce);
}
.fab-whatsapp:hover { transform: scale(1.08); }
.fab-whatsapp svg { width: 30px; height: 30px; color: #fff; }
.fab-ring {
  position: absolute; inset: 0;
  border-radius: 50%;
  border: 2px solid var(--whatsapp);
  animation: fabPulse 2.6s ease-out infinite;
}
@keyframes fabPulse {
  0%   { transform: scale(1);   opacity: .6; }
  100% { transform: scale(1.6); opacity: 0; }
}
@media (prefers-reduced-motion: reduce) {
  .fab-ring { animation: none; }
}

/* =============================================================
   14. Responsive
   ============================================================= */
@media (min-width: 540px) {
  .hero-actions { flex-wrap: nowrap; }
}
@media (min-width: 720px) {
  .footer-inner { flex-direction: row; flex-wrap: wrap; justify-content: space-between; text-align: left; row-gap: 1rem; }
  .footer-links { justify-content: flex-start; }
  .footer-social { justify-content: flex-start; }
  .footer-copy { width: 100%; }
}
@media (min-width: 960px) {
  .section { padding-block: 8rem; }
}

/* =============================================================
   15. Reduced motion — only intrusive effects
   ============================================================= */
@media (prefers-reduced-motion: reduce) {
  .hero-gradient { transition: none; }
}