/* ============================================================
   IMPULSO WEB — main.css
   Dark SaaS / AI-Tech Premium Aesthetic
   Fuente: Syne (display) + DM Sans (body)
============================================================ */

/* ── RESET & BASE ────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* Colors */
  --bg:          #080b12;
  --bg-2:        #0d1120;
  --bg-3:        #111827;
  --surface:     rgba(255,255,255,0.04);
  --surface-2:   rgba(255,255,255,0.08);
  --border:      rgba(255,255,255,0.08);
  --border-2:    rgba(255,255,255,0.14);

  --accent:      #4f8dff;
  --accent-2:    #7c3aed;
  --accent-glow: rgba(79,141,255,0.35);
  --accent-warm: #ff6b35;

  --text-1:      #f0f4ff;
  --text-2:      #8b96b0;
  --text-3:      #5a657a;

  /* Gradients */
  --grad-main:   linear-gradient(135deg, #4f8dff 0%, #7c3aed 100%);
  --grad-warm:   linear-gradient(135deg, #ff6b35 0%, #f59e0b 100%);
  --grad-text:   linear-gradient(135deg, #4f8dff 20%, #a78bfa 80%);

  /* Typography */
  --font-display: 'Syne', sans-serif;
  --font-body:    'DM Sans', sans-serif;

  /* Spacing */
  --section-gap: 120px;
  --container:   1240px;
  --radius:      16px;
  --radius-sm:   10px;
  --radius-lg:   24px;

  /* Motion */
  --ease-out:    cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  background: var(--bg);
  color: var(--text-1);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ── SCROLLBAR ───────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: rgba(79,141,255,0.4); border-radius: 99px; }

/* ── NOISE OVERLAY ───────────────────────────────────────── */
.noise-overlay {
  position: fixed; inset: 0; z-index: 0; 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='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
  opacity: 0.025;
  mix-blend-mode: overlay;
}

/* ── CUSTOM CURSOR (desktop only) ────────────────────────── */
@media (pointer: fine) {
  body { cursor: none; }
  .cursor, .cursor-follower { pointer-events: none; position: fixed; top: 0; left: 0; z-index: 9999; border-radius: 50%; transform: translate(-50%, -50%); }
  .cursor { width: 8px; height: 8px; background: var(--accent); mix-blend-mode: difference; }
  .cursor-follower { width: 36px; height: 36px; border: 1.5px solid rgba(79,141,255,0.5); transition: transform 0.12s var(--ease-out), width 0.2s, height 0.2s, opacity 0.2s; }
  body:has(a:hover) .cursor-follower,
  body:has(button:hover) .cursor-follower { width: 56px; height: 56px; opacity: 0.6; }
}

/* ── CONTAINER ───────────────────────────────────────────── */
.container { max-width: var(--container); margin-inline: auto; padding-inline: clamp(1.5rem, 5vw, 3rem); }

/* ── TYPOGRAPHY ──────────────────────────────────────────── */
h1,h2,h3,h4 { font-family: var(--font-display); line-height: 1.1; letter-spacing: -0.02em; }

h1 { font-size: clamp(2.6rem, 6vw, 5rem); font-weight: 800; }
h2 { font-size: clamp(2rem, 4.5vw, 3.5rem); font-weight: 700; }
h3 { font-size: clamp(1.1rem, 2.5vw, 1.4rem); font-weight: 700; }

em { font-style: normal; background: var(--grad-text); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

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

/* ── BUTTONS ─────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-display); font-size: 0.875rem; font-weight: 600; letter-spacing: 0.01em;
  padding: 0.75rem 1.5rem; border-radius: 99px; border: 1.5px solid transparent;
  cursor: pointer; text-decoration: none; transition: all 0.25s var(--ease-out);
  position: relative; overflow: hidden; white-space: nowrap;
}
.btn svg { flex-shrink: 0; transition: transform 0.2s var(--ease-out); }
.btn:hover svg { transform: translateX(3px); }

.btn-primary {
  background: var(--grad-main); color: #fff;
  box-shadow: 0 0 30px rgba(79,141,255,0.3), 0 4px 16px rgba(0,0,0,0.3);
}
.btn-primary:hover {
  box-shadow: 0 0 50px rgba(79,141,255,0.5), 0 8px 24px rgba(0,0,0,0.4);
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent; color: var(--text-2); border-color: var(--border-2);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover { color: var(--text-1); border-color: rgba(255,255,255,0.25); background: var(--surface-2); }

.btn-outline {
  background: transparent; color: var(--text-1); border-color: var(--border-2);
}
.btn-outline:hover { background: var(--surface-2); border-color: var(--accent); color: var(--accent); }

.btn-nav {
  background: var(--surface-2); color: var(--text-1); border-color: var(--border-2);
  font-size: 0.8rem; padding: 0.55rem 1.1rem;
  backdrop-filter: blur(12px);
}
.btn-nav:hover { background: var(--grad-main); border-color: transparent; box-shadow: 0 0 20px var(--accent-glow); }

.btn-large { padding: 1rem 2rem; font-size: 1rem; }

.btn-full { width: 100%; justify-content: center; }
.btn-loading { display: none; }
.btn.loading .btn-text { display: none; }
.btn.loading .btn-loading { display: inline; }
.btn.loading { pointer-events: none; opacity: 0.7; }

/* ── REVEAL ANIMATIONS ───────────────────────────────────── */
.reveal {
  opacity: 0; transform: translateY(28px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}
.reveal.visible { opacity: 1; transform: none; }

/* ── SECTION BASE ────────────────────────────────────────── */
.section { padding-block: var(--section-gap); position: relative; }

.section-header { text-align: center; margin-bottom: 64px; }
.section-label {
  display: inline-block; font-size: 0.75rem; font-family: var(--font-display);
  font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--accent); background: rgba(79,141,255,0.1);
  border: 1px solid rgba(79,141,255,0.2); padding: 0.35em 1em; border-radius: 99px;
  margin-bottom: 1.2rem;
}
.section-title { margin-bottom: 1rem; }
.section-desc { color: var(--text-2); font-size: 1.1rem; max-width: 560px; margin-inline: auto; }

/* ── NAVBAR ──────────────────────────────────────────────── */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 1.1rem 0;
  transition: background 0.3s, backdrop-filter 0.3s, box-shadow 0.3s, padding 0.3s;
}
.navbar.scrolled {
  background: rgba(8,11,18,0.85); backdrop-filter: blur(20px) saturate(180%);
  box-shadow: 0 1px 0 var(--border); padding: 0.75rem 0;
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  max-width: var(--container); margin-inline: auto; padding-inline: clamp(1.5rem, 5vw, 3rem);
}
.nav-logo { display: flex; align-items: center; gap: 10px; }
.logo-mark {
  width: 36px; height: 36px; background: var(--grad-main); border-radius: 10px;
  display: grid; place-items: center; font-family: var(--font-display); font-weight: 800;
  font-size: 0.8rem; color: #fff; flex-shrink: 0;
}
.logo-text { font-family: var(--font-display); font-size: 1rem; font-weight: 600; color: var(--text-1); }
.logo-text strong { font-weight: 800; }

.nav-links { display: flex; gap: 2.5rem; }
.nav-links a { font-size: 0.875rem; color: var(--text-2); transition: color 0.2s; font-weight: 500; }
.nav-links a:hover { color: var(--text-1); }

.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.nav-toggle span { width: 24px; height: 2px; background: var(--text-2); border-radius: 2px; transition: all 0.3s; display: block; }
.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { transform: translateY(-7px) rotate(-45deg); }

/* MOBILE MENU */
.mobile-menu {
  position: fixed; top: 0; left: 0; right: 0; bottom: 0; z-index: 999;
  background: rgba(8,11,18,0.97); backdrop-filter: blur(20px);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none; transition: opacity 0.3s;
}
.mobile-menu.open { opacity: 1; pointer-events: all; }
.mobile-menu ul { display: flex; flex-direction: column; align-items: center; gap: 2rem; }
.mobile-link { font-family: var(--font-display); font-size: 1.8rem; font-weight: 700; color: var(--text-2); transition: color 0.2s; }
.mobile-link:hover { color: var(--text-1); }
.mobile-cta { color: var(--accent) !important; }

/* ── HERO ────────────────────────────────────────────────── */
.hero {
  min-height: 100svh; display: flex; align-items: center;
  padding-top: 100px; padding-bottom: 80px;
  position: relative; overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.hero-orb {
  position: absolute; border-radius: 50%; filter: blur(80px);
  animation: orb-float 8s ease-in-out infinite alternate;
}
.orb-1 { width: 600px; height: 600px; background: rgba(79,141,255,0.12); top: -100px; right: -200px; animation-delay: 0s; }
.orb-2 { width: 400px; height: 400px; background: rgba(124,58,237,0.1); bottom: -100px; left: -100px; animation-delay: -3s; }
.orb-3 { width: 300px; height: 300px; background: rgba(255,107,53,0.07); top: 40%; left: 40%; animation-delay: -6s; }

@keyframes orb-float {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(30px, -40px) scale(1.08); }
}

.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 0%, black 30%, transparent 100%);
}

.hero-content { position: relative; z-index: 1; max-width: 760px; }

.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.78rem; font-family: var(--font-display); font-weight: 600;
  letter-spacing: 0.05em; color: var(--text-2);
  border: 1px solid var(--border-2); background: var(--surface);
  padding: 0.4em 1em; border-radius: 99px; margin-bottom: 1.5rem;
  backdrop-filter: blur(12px);
}
.badge-dot {
  width: 7px; height: 7px; background: #22c55e; border-radius: 50%;
  box-shadow: 0 0 8px #22c55e;
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot { 0%,100% { opacity: 1; } 50% { opacity: 0.4; } }

.hero-title { margin-bottom: 1.5rem; }
.hero-subtitle { font-size: clamp(1rem, 2vw, 1.2rem); color: var(--text-2); margin-bottom: 2.5rem; max-width: 560px; line-height: 1.7; }
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 3rem; }

.hero-social-proof { display: flex; align-items: center; gap: 12px; }
.avatars { display: flex; }
.avatar {
  width: 38px; height: 38px; border-radius: 50%; border: 2px solid var(--bg);
  background: var(--grad-main); margin-left: -10px;
}
.avatar:first-child { margin-left: 0; }
.av1 { background: linear-gradient(135deg, #4f8dff, #7c3aed); }
.av2 { background: linear-gradient(135deg, #7c3aed, #ec4899); }
.av3 { background: linear-gradient(135deg, #ec4899, #ff6b35); }
.av4 { background: linear-gradient(135deg, #ff6b35, #f59e0b); }
.hero-social-proof p { font-size: 0.875rem; color: var(--text-2); }
.hero-social-proof strong { color: var(--text-1); }

.scroll-indicator {
  position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 4px;
}
.scroll-line {
  width: 1.5px; height: 50px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scroll-pulse 2s ease-in-out infinite;
}
@keyframes scroll-pulse { 0%,100% { opacity: 0.2; } 50% { opacity: 1; } }

/* ── LOGOS BAR ───────────────────────────────────────────── */
.logos-bar { padding-block: 48px; border-block: 1px solid var(--border); overflow: hidden; }
.logos-label { text-align: center; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-3); margin-bottom: 1.5rem; font-family: var(--font-display); font-weight: 600; }
.logos-track { overflow: hidden; }
.logos-slide {
  display: flex; gap: 1rem; width: max-content;
  animation: logos-scroll 30s linear infinite;
}
@keyframes logos-scroll { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.logo-item { font-family: var(--font-display); font-weight: 700; font-size: 1rem; color: var(--text-3); white-space: nowrap; transition: color 0.2s; padding-inline: 0.5rem; }
.logo-sep { color: var(--text-3); }
.logos-track:hover .logos-slide { animation-play-state: paused; }

/* ── SERVICIOS ───────────────────────────────────────────── */
.servicios { background: var(--bg); }

.services-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1.5rem;
}
.service-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 2rem;
  transition: transform 0.3s var(--ease-out), border-color 0.3s, box-shadow 0.3s;
  position: relative; overflow: hidden;
}
.service-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: var(--grad-main); opacity: 0; transition: opacity 0.3s;
}
.service-card:hover { transform: translateY(-6px); border-color: var(--border-2); box-shadow: 0 20px 50px rgba(0,0,0,0.3), 0 0 0 1px rgba(79,141,255,0.1); }
.service-card:hover::before { opacity: 1; }

.service-card--featured {
  background: linear-gradient(135deg, rgba(79,141,255,0.08) 0%, rgba(124,58,237,0.06) 100%);
  border-color: rgba(79,141,255,0.2);
}
.card-badge {
  font-size: 0.7rem; font-family: var(--font-display); font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.1em;
  background: var(--grad-main); color: #fff;
  padding: 0.2em 0.8em; border-radius: 99px;
  display: inline-block; margin-bottom: 1.5rem;
}
.card-icon {
  width: 52px; height: 52px; background: var(--surface-2); border: 1px solid var(--border-2);
  border-radius: var(--radius-sm); display: grid; place-items: center;
  color: var(--accent); margin-bottom: 1.25rem;
  transition: background 0.3s, color 0.3s;
}
.service-card:hover .card-icon { background: rgba(79,141,255,0.15); }

.service-card h3 { margin-bottom: 0.75rem; }
.service-card p { color: var(--text-2); font-size: 0.9rem; margin-bottom: 1.25rem; line-height: 1.6; }
.card-features { display: flex; flex-direction: column; gap: 0.5rem; margin-bottom: 1.5rem; }
.card-features li {
  font-size: 0.82rem; color: var(--text-2); padding-left: 1.2em; position: relative;
}
.card-features li::before { content: '✓'; position: absolute; left: 0; color: var(--accent); font-weight: 700; }
.card-link { font-size: 0.85rem; color: var(--accent); font-weight: 600; font-family: var(--font-display); transition: gap 0.2s; display: inline-flex; align-items: center; gap: 4px; }
.card-link:hover { gap: 8px; }

/* ── PROCESO ─────────────────────────────────────────────── */
.proceso { background: var(--bg-2); overflow: hidden; }
.proceso-bg { position: absolute; inset: 0; pointer-events: none; }
.proceso-orb { position: absolute; width: 700px; height: 700px; background: radial-gradient(circle, rgba(124,58,237,0.08) 0%, transparent 70%); top: 50%; left: 50%; transform: translate(-50%, -50%); }

.steps {
  display: grid; grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
  align-items: start; gap: 0; max-width: 1000px; margin-inline: auto;
  position: relative; z-index: 1;
}
.step { padding: 1rem; text-align: center; }
.step-number {
  font-family: var(--font-display); font-size: 3rem; font-weight: 800;
  background: var(--grad-text); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  opacity: 0.35; line-height: 1; margin-bottom: 1rem;
}
.step h3 { margin-bottom: 0.5rem; font-size: 1rem; }
.step p { font-size: 0.85rem; color: var(--text-2); line-height: 1.6; }
.step-connector {
  width: 1px; height: 80px; background: linear-gradient(to bottom, transparent, var(--border-2), transparent);
  align-self: center; margin-top: 20px;
}

/* ── RESULTADOS ──────────────────────────────────────────── */
.resultados { background: var(--bg); }

.stats-row {
  display: flex; gap: 0; justify-content: center; align-items: center;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 3rem 2rem; margin-bottom: 4rem;
}
.stat-item { flex: 1; text-align: center; padding-inline: 2rem; }
.stat-number { font-family: var(--font-display); font-size: clamp(2.5rem, 5vw, 3.5rem); font-weight: 800; background: var(--grad-text); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.stat-suffix { font-family: var(--font-display); font-size: 1.5rem; font-weight: 700; color: var(--accent); }
.stat-item p { font-size: 0.8rem; color: var(--text-3); margin-top: 0.25rem; text-transform: uppercase; letter-spacing: 0.08em; font-family: var(--font-display); font-weight: 600; }
.stat-divider { width: 1px; height: 60px; background: var(--border-2); flex-shrink: 0; }

.testimonials-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 1.5rem; }
.testimonial {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 2rem; transition: transform 0.3s var(--ease-out), border-color 0.3s;
}
.testimonial:hover { transform: translateY(-4px); border-color: var(--border-2); }
.testimonial-stars { color: #f59e0b; font-size: 1rem; margin-bottom: 1rem; letter-spacing: 2px; }
.testimonial p { font-size: 0.9rem; color: var(--text-2); line-height: 1.7; margin-bottom: 1.5rem; font-style: italic; }
.testimonial footer { display: flex; align-items: center; gap: 12px; }
.testimonial-avatar {
  width: 42px; height: 42px; border-radius: 50%; background: var(--grad-main);
  display: grid; place-items: center; font-size: 0.75rem; font-weight: 700; color: #fff; flex-shrink: 0;
}
.testimonial cite { display: block; font-style: normal; font-weight: 700; font-family: var(--font-display); font-size: 0.9rem; }
.testimonial span { font-size: 0.78rem; color: var(--text-3); }

/* ── PRECIOS ─────────────────────────────────────────────── */
.precios { background: var(--bg-2); }

.pricing-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1.5rem; margin-bottom: 2rem; }
.pricing-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 2.5rem;
  transition: transform 0.3s var(--ease-out), border-color 0.3s, box-shadow 0.3s;
  position: relative;
}
.pricing-card:hover { transform: translateY(-6px); border-color: var(--border-2); box-shadow: 0 20px 50px rgba(0,0,0,0.3); }
.pricing-card--featured {
  background: linear-gradient(135deg, rgba(79,141,255,0.09) 0%, rgba(124,58,237,0.07) 100%);
  border-color: rgba(79,141,255,0.25); box-shadow: 0 0 0 1px rgba(79,141,255,0.1), 0 20px 60px rgba(79,141,255,0.1);
}
.pricing-badge {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  font-size: 0.7rem; font-family: var(--font-display); font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em;
  background: var(--grad-main); color: #fff; padding: 0.3em 1.2em; border-radius: 99px; white-space: nowrap;
}
.pricing-header { margin-bottom: 2rem; }
.pricing-header h3 { font-size: 1.1rem; margin-bottom: 1rem; }
.pricing-price { display: flex; align-items: baseline; gap: 4px; margin-bottom: 0.5rem; }
.price-currency { font-size: 1rem; color: var(--text-3); font-family: var(--font-display); font-weight: 700; }
.price-amount { font-family: var(--font-display); font-size: 3rem; font-weight: 800; color: var(--text-1); line-height: 1; }
.pricing-header p { font-size: 0.85rem; color: var(--text-2); }
.pricing-features { display: flex; flex-direction: column; gap: 0.75rem; margin-bottom: 2rem; }
.pricing-features li { font-size: 0.875rem; color: var(--text-2); padding-left: 1.4em; position: relative; }
.pricing-features li::before { content: '✓'; position: absolute; left: 0; color: var(--accent); font-weight: 700; }
.pricing-note { text-align: center; font-size: 0.875rem; color: var(--text-3); }
.pricing-note a { color: var(--accent); transition: opacity 0.2s; }
.pricing-note a:hover { opacity: 0.8; }

/* ── CTA PARALLAX ────────────────────────────────────────── */
.cta-parallax {
  padding-block: var(--section-gap); position: relative; overflow: hidden;
  background: var(--bg-3);
}
.cta-parallax-bg { position: absolute; inset: 0; }
.cta-orb { position: absolute; border-radius: 50%; filter: blur(80px); }
.cta-orb-1 { width: 500px; height: 500px; background: rgba(79,141,255,0.15); top: -150px; right: -100px; }
.cta-orb-2 { width: 400px; height: 400px; background: rgba(124,58,237,0.12); bottom: -100px; left: -100px; }

.cta-glass {
  background: rgba(255,255,255,0.03); backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.1); border-radius: var(--radius-lg);
  padding: clamp(3rem, 6vw, 5rem); text-align: center; position: relative; z-index: 1;
  box-shadow: 0 40px 80px rgba(0,0,0,0.3), inset 0 1px 0 rgba(255,255,255,0.08);
}
.cta-glass h2 { margin-bottom: 1rem; }
.cta-glass p { color: var(--text-2); font-size: 1.1rem; margin-bottom: 2.5rem; }
.cta-note { font-size: 0.8rem; color: var(--text-3); margin-top: 1rem; font-family: var(--font-display); font-weight: 500; }

/* ── FAQ ─────────────────────────────────────────────────── */
.faq { background: var(--bg); }
.faq-list { max-width: 720px; margin-inline: auto; display: flex; flex-direction: column; gap: 1rem; }
.faq-item {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; transition: border-color 0.2s;
}
.faq-item[open] { border-color: rgba(79,141,255,0.25); }
.faq-item summary {
  padding: 1.25rem 1.5rem; cursor: pointer; font-family: var(--font-display); font-weight: 600;
  font-size: 0.95rem; list-style: none; display: flex; justify-content: space-between; align-items: center;
  transition: color 0.2s;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+'; font-size: 1.3rem; font-weight: 300; color: var(--accent);
  transition: transform 0.3s var(--ease-out); flex-shrink: 0;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item[open] summary { color: var(--accent); }
.faq-item p { padding: 0 1.5rem 1.5rem; font-size: 0.9rem; color: var(--text-2); line-height: 1.7; }

/* ── CONTACTO ────────────────────────────────────────────── */
.contacto { background: var(--bg-2); }
.contacto-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 6rem; align-items: start; }
.contacto-info .section-label { margin-bottom: 1rem; }
.contacto-info h2 { font-size: clamp(2rem, 4vw, 3rem); margin-bottom: 1rem; }
.contacto-info p { color: var(--text-2); margin-bottom: 2.5rem; line-height: 1.7; }

.contact-items { display: flex; flex-direction: column; gap: 1rem; }
.contact-item {
  display: flex; align-items: center; gap: 14px;
  padding: 1rem 1.25rem; background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); transition: border-color 0.2s, background 0.2s;
}
.contact-item:hover { border-color: rgba(79,141,255,0.3); background: rgba(79,141,255,0.05); }
.contact-icon { width: 40px; height: 40px; border-radius: var(--radius-sm); background: rgba(79,141,255,0.1); display: grid; place-items: center; color: var(--accent); flex-shrink: 0; }
.contact-item strong { display: block; font-size: 0.85rem; font-family: var(--font-display); font-weight: 700; }
.contact-item span { font-size: 0.8rem; color: var(--text-2); }

/* FORM */
.contact-form { display: flex; flex-direction: column; gap: 1.25rem; }
.form-group { display: flex; flex-direction: column; gap: 0.5rem; }
.form-group label { font-size: 0.8rem; font-family: var(--font-display); font-weight: 600; color: var(--text-2); letter-spacing: 0.03em; }
.form-group input,
.form-group textarea,
.form-group select {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 0.8rem 1rem;
  color: var(--text-1); font-family: var(--font-body); font-size: 0.9rem;
  transition: border-color 0.2s, box-shadow 0.2s; outline: none;
  -webkit-appearance: none;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--accent); box-shadow: 0 0 0 3px rgba(79,141,255,0.12);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-3); }
.form-group textarea { resize: vertical; min-height: 100px; }
.form-group select { cursor: pointer; }
.form-group select option { background: var(--bg-2); color: var(--text-1); }

.form-success {
  text-align: center; font-size: 0.875rem; color: #22c55e; font-family: var(--font-display); font-weight: 600;
  padding: 1rem; border-radius: var(--radius-sm); background: rgba(34,197,94,0.08); border: 1px solid rgba(34,197,94,0.2);
  display: none;
}
.form-success.visible { display: block; }

/* ── FOOTER ──────────────────────────────────────────────── */
.footer { background: var(--bg); border-top: 1px solid var(--border); padding-top: 5rem; }
.footer-top { display: grid; grid-template-columns: 1fr 2fr; gap: 4rem; margin-bottom: 4rem; }
.footer-brand p { font-size: 0.875rem; color: var(--text-3); margin-top: 1rem; max-width: 260px; line-height: 1.6; }
.footer-nav { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.footer-col h4 { font-size: 0.8rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-2); margin-bottom: 1rem; font-family: var(--font-display); }
.footer-col ul { display: flex; flex-direction: column; gap: 0.6rem; }
.footer-col a { font-size: 0.875rem; color: var(--text-3); transition: color 0.2s; }
.footer-col a:hover { color: var(--text-1); }
.footer-bottom { border-top: 1px solid var(--border); padding-block: 1.5rem; display: flex; justify-content: space-between; align-items: center; }
.footer-bottom p { font-size: 0.8rem; color: var(--text-3); }

/* ── BACK TO TOP ─────────────────────────────────────────── */
.back-to-top {
  position: fixed; bottom: 2rem; right: 2rem; z-index: 500;
  width: 44px; height: 44px; background: var(--surface-2); border: 1px solid var(--border-2);
  border-radius: 50%; color: var(--text-2); cursor: pointer;
  display: grid; place-items: center; backdrop-filter: blur(12px);
  transition: all 0.3s var(--ease-out); opacity: 0; transform: translateY(10px); pointer-events: none;
}
.back-to-top.visible { opacity: 1; transform: none; pointer-events: all; }
.back-to-top:hover { background: var(--grad-main); color: #fff; border-color: transparent; box-shadow: 0 4px 20px var(--accent-glow); }

/* ── REVEAL DELAYS ───────────────────────────────────────── */
[data-delay="0"]   { transition-delay: 0ms; }
[data-delay="100"] { transition-delay: 100ms; }
[data-delay="150"] { transition-delay: 150ms; }
[data-delay="200"] { transition-delay: 200ms; }
[data-delay="300"] { transition-delay: 300ms; }
[data-delay="400"] { transition-delay: 400ms; }
[data-delay="450"] { transition-delay: 450ms; }

/* ── RESPONSIVE ──────────────────────────────────────────── */
@media (max-width: 1024px) {
  .steps { grid-template-columns: 1fr; gap: 2rem; }
  .step-connector { width: 80%; height: 1px; margin-inline: auto; }
  .stats-row { flex-wrap: wrap; gap: 2rem; }
  .stat-divider { display: none; }
  .stat-item { min-width: 40%; }
  .contacto-inner { grid-template-columns: 1fr; gap: 3rem; }
  .footer-top { grid-template-columns: 1fr; gap: 2rem; }
}

@media (max-width: 768px) {
  :root { --section-gap: 80px; }
  .nav-links, .btn-nav { display: none; }
  .nav-toggle { display: flex; }
  .hero { padding-top: 80px; padding-bottom: 60px; }
  .hero-actions { flex-direction: column; align-items: flex-start; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .services-grid { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .footer-nav { grid-template-columns: repeat(2, 1fr); }
  .footer-bottom { flex-direction: column; gap: 0.5rem; text-align: center; }
  .back-to-top { bottom: 1rem; right: 1rem; }
}

@media (max-width: 480px) {
  h1 { font-size: 2.2rem; }
  h2 { font-size: 1.8rem; }
  .stat-item { min-width: 100%; }
  .footer-nav { grid-template-columns: 1fr; }
}

/* ── REDUCED MOTION ──────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  .reveal { opacity: 1; transform: none; }
  .logos-slide { animation: none; }
}