/* ===========================================================
   Rodrigo Yrisson — Landing
   Paleta tomada de la tarjeta: negro/azul marino + azul eléctrico
   =========================================================== */

:root {
  --bg:        #060a14;
  --bg-2:      #0a1020;
  --surface:   #0e1526;
  --surface-2: #121b30;
  --border:    rgba(255, 255, 255, 0.08);
  --border-2:  rgba(43, 108, 246, 0.35);

  --text:      #eef2fb;
  --muted:     #9aa6c2;
  --muted-2:   #6b7794;

  --blue:      #2b6cf6;
  --blue-2:    #4f8bff;
  --blue-soft: rgba(43, 108, 246, 0.12);

  --maxw: 1140px;
  --radius: 16px;
  --radius-sm: 10px;

  --font: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; scroll-padding-top: 90px; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Background decoration ---------- */
.bg-grid {
  position: fixed;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(rgba(43, 108, 246, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(43, 108, 246, 0.045) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 30%, transparent 80%);
}
.bg-glow {
  position: fixed;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 600px;
  z-index: -2;
  background: radial-gradient(circle, rgba(43, 108, 246, 0.18), transparent 65%);
  filter: blur(20px);
  pointer-events: none;
}

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  transition: background .3s var(--ease), border-color .3s var(--ease), backdrop-filter .3s;
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(6, 10, 20, 0.78);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand { display: inline-flex; align-items: center; gap: 12px; }
.brand-logo {
  display: grid;
  place-items: center;
  width: 44px; height: 44px;
  background: linear-gradient(145deg, var(--surface-2), var(--surface));
  border: 1px solid var(--border);
  border-radius: 12px;
}
.logo-r { fill: var(--text); }
.logo-y { fill: var(--blue); }
.brand-name { font-weight: 700; font-size: 1.05rem; letter-spacing: .2px; }
.brand-name strong { color: var(--blue-2); margin-left: 5px; font-weight: 800; }

.nav-cluster { display: flex; align-items: center; gap: 14px; }

/* Language switch */
.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 3px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255,255,255,.03);
}
.lang-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 11px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font-family: inherit;
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .4px;
  cursor: pointer;
  transition: background .2s, color .2s;
}
.lang-btn:hover { color: var(--text); }
.lang-btn.active { background: var(--blue); color: #fff; }
.lang-btn .flag {
  display: inline-flex;
  width: 22px; height: 15px;
  border-radius: 3px;
  overflow: hidden;
  box-shadow: 0 0 0 1px rgba(255,255,255,.12);
}
.lang-btn .flag svg { display: block; width: 100%; height: 100%; }

.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a {
  padding: 9px 16px;
  border-radius: 999px;
  font-size: .95rem;
  font-weight: 500;
  color: var(--muted);
  transition: color .2s, background .2s;
}
.nav-links a:hover { color: var(--text); background: rgba(255,255,255,.04); }
.nav-links .nav-cta {
  color: #fff;
  background: var(--blue);
  font-weight: 600;
}
.nav-links .nav-cta:hover { background: var(--blue-2); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  width: 24px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform .3s var(--ease), opacity .2s;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  display: none;
  flex-direction: column;
  background: rgba(6, 10, 20, 0.96);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
  max-height: 0;
  transition: max-height .35s var(--ease);
}
.mobile-menu.open { max-height: 320px; }
.mobile-menu a {
  padding: 16px 24px;
  font-weight: 500;
  color: var(--muted);
  border-top: 1px solid var(--border);
}
.mobile-menu a:hover { color: var(--text); background: rgba(255,255,255,.03); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: .98rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform .2s var(--ease), background .2s, box-shadow .25s, border-color .2s;
  white-space: nowrap;
}
.btn-primary {
  background: var(--blue);
  color: #fff;
  box-shadow: 0 8px 24px -8px rgba(43, 108, 246, 0.6);
}
.btn-primary:hover { background: var(--blue-2); transform: translateY(-2px); box-shadow: 0 14px 30px -8px rgba(43, 108, 246, 0.7); }
.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.btn-ghost:hover { border-color: var(--border-2); background: var(--blue-soft); transform: translateY(-2px); }
.btn-lg { padding: 16px 36px; font-size: 1.05rem; }

/* ---------- Sections ---------- */
.section { padding: 100px 0; }
.section-head { max-width: 620px; margin: 0 auto 56px; text-align: center; }
.section-kicker {
  display: inline-block;
  font-family: var(--mono);
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--blue-2);
  margin-bottom: 14px;
}
.section-head h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 800; line-height: 1.15; letter-spacing: -0.5px; }
.section-head p { color: var(--muted); margin-top: 14px; font-size: 1.08rem; }

h2, h3 { letter-spacing: -0.3px; }

/* ---------- Hero ---------- */
.hero {
  padding: 150px 0 90px;
  position: relative;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 7px 16px 7px 12px;
  background: var(--blue-soft);
  border: 1px solid var(--border-2);
  border-radius: 999px;
  font-size: .86rem;
  font-weight: 500;
  color: var(--blue-2);
  margin-bottom: 26px;
}
.code-tag {
  font-family: var(--mono);
  font-weight: 700;
  color: var(--blue-2);
}
.hero h1 {
  font-size: clamp(2.3rem, 5.4vw, 3.7rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -1.2px;
}
.grad {
  background: linear-gradient(110deg, var(--blue-2), #8fb6ff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-sub {
  margin-top: 22px;
  font-size: 1.18rem;
  color: var(--muted);
  max-width: 540px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.hero-values {
  display: flex;
  flex-wrap: wrap;
  gap: 26px;
  margin-top: 40px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}
.hero-values li {
  position: relative;
  font-weight: 600;
  font-size: .98rem;
  color: var(--text);
  padding-left: 22px;
}
.hero-values li::before {
  content: "";
  position: absolute;
  left: 0; top: 50%;
  transform: translateY(-50%);
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 12px var(--blue);
}

/* Hero code card */
.hero-visual { perspective: 1200px; }
.code-card {
  background: linear-gradient(160deg, var(--surface-2), var(--surface));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 30px 70px -30px rgba(0,0,0,0.8), inset 0 1px 0 rgba(255,255,255,0.04);
  overflow: hidden;
  transform: rotateY(-7deg) rotateX(3deg);
  transition: transform .5s var(--ease);
}
.code-card:hover { transform: rotateY(0deg) rotateX(0deg); }
.code-card-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
}
.code-card-bar span { width: 12px; height: 12px; border-radius: 50%; background: #2a3450; }
.code-card-bar span:nth-child(1) { background: #ff5f57; }
.code-card-bar span:nth-child(2) { background: #febc2e; }
.code-card-bar span:nth-child(3) { background: #28c840; }
.code-card-bar em {
  margin-left: 8px;
  font-family: var(--mono);
  font-style: normal;
  font-size: .82rem;
  color: var(--muted-2);
}
.code-card-body {
  padding: 22px 24px 26px;
  font-family: var(--mono);
  font-size: .92rem;
  line-height: 1.85;
  color: #c7d2ea;
  overflow-x: auto;
}
.code-card-body .ln { color: #c084fc; }
.code-card-body .vr { color: #7dd3fc; }
.code-card-body .ky { color: var(--blue-2); }
.code-card-body .st { color: #6ee7a8; }
.code-card-body .fn { color: #fbbf24; }

/* ---------- Services cards ---------- */
.cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.card {
  background: linear-gradient(160deg, var(--surface), var(--bg-2));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 26px;
  transition: transform .3s var(--ease), border-color .3s, box-shadow .3s;
  position: relative;
  overflow: hidden;
}
.card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(circle at 50% 0%, var(--blue-soft), transparent 70%);
  opacity: 0;
  transition: opacity .3s;
}
.card:hover {
  transform: translateY(-6px);
  border-color: var(--border-2);
  box-shadow: 0 24px 50px -28px rgba(43,108,246,0.55);
}
.card:hover::after { opacity: 1; }
.card-icon {
  display: grid;
  place-items: center;
  width: 54px; height: 54px;
  border-radius: 14px;
  background: var(--blue-soft);
  border: 1px solid var(--border-2);
  color: var(--blue-2);
  margin-bottom: 20px;
}
.card h3 { font-size: 1.18rem; font-weight: 700; margin-bottom: 10px; }
.card p { color: var(--muted); font-size: .96rem; }

/* ---------- Process steps ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  counter-reset: step;
}
.step {
  position: relative;
  padding: 30px 24px;
  background: linear-gradient(160deg, var(--surface), var(--bg-2));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: transform .3s var(--ease), border-color .3s;
}
.step:hover { transform: translateY(-6px); border-color: var(--border-2); }
.step-num {
  font-family: var(--mono);
  font-size: 2.2rem;
  font-weight: 700;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--blue);
  display: block;
  margin-bottom: 14px;
  opacity: .9;
}
.step h3 { font-size: 1.12rem; margin-bottom: 8px; }
.step p { color: var(--muted); font-size: .94rem; }

/* ---------- About ---------- */
.about-inner {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 56px;
  align-items: center;
}
.about-visual { display: flex; justify-content: center; }
.logo-badge {
  position: relative;
  display: grid;
  place-items: center;
  width: 280px; height: 280px;
  border-radius: 28px;
  background:
    radial-gradient(circle at 30% 20%, rgba(43,108,246,0.22), transparent 60%),
    linear-gradient(160deg, var(--surface-2), var(--surface));
  border: 1px solid var(--border);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.05), 0 30px 60px -30px rgba(0,0,0,.7);
}
.logo-badge .logo-r { fill: var(--text); }
.logo-badge .logo-y { fill: var(--blue); }
.code-frame {
  position: absolute;
  top: 22px; right: 26px;
  font-family: var(--mono);
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--blue-2);
  opacity: .5;
}
.about-content h2 { font-size: clamp(1.8rem, 4vw, 2.5rem); font-weight: 800; margin: 12px 0 18px; }
.about-content p { color: var(--muted); margin-bottom: 16px; font-size: 1.05rem; }
.about-points { margin-top: 26px; display: grid; gap: 16px; }
.about-points li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  color: var(--muted);
}
.about-points li strong { color: var(--text); }
.ap-ico {
  display: grid;
  place-items: center;
  flex-shrink: 0;
  width: 38px; height: 38px;
  border-radius: 10px;
  background: var(--blue-soft);
  border: 1px solid var(--border-2);
  color: var(--blue-2);
}

/* ---------- Contact ---------- */
.contact-box {
  background:
    radial-gradient(circle at 80% 0%, rgba(43,108,246,0.16), transparent 55%),
    linear-gradient(160deg, var(--surface-2), var(--surface));
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 56px 48px;
  text-align: center;
  box-shadow: 0 40px 80px -40px rgba(0,0,0,.8);
}
.contact-text { max-width: 560px; margin: 0 auto; }
.contact-text h2 { font-size: clamp(1.7rem, 4vw, 2.4rem); font-weight: 800; margin: 10px 0 14px; }
.contact-text p { color: var(--muted); font-size: 1.08rem; }
.contact-methods {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin: 40px 0;
}
.contact-item {
  display: flex;
  align-items: center;
  gap: 14px;
  text-align: left;
  padding: 18px 20px;
  background: rgba(255,255,255,0.025);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: transform .25s var(--ease), border-color .25s, background .25s;
}
.contact-item:hover { transform: translateY(-4px); border-color: var(--border-2); background: var(--blue-soft); }
.contact-ico {
  display: grid;
  place-items: center;
  width: 46px; height: 46px;
  flex-shrink: 0;
  border-radius: 12px;
  background: var(--blue-soft);
  border: 1px solid var(--border-2);
  color: var(--blue-2);
}
.contact-meta { display: flex; flex-direction: column; min-width: 0; }
.contact-meta em { font-style: normal; font-size: .78rem; color: var(--muted-2); text-transform: uppercase; letter-spacing: 1px; }
.contact-meta strong { font-weight: 600; font-size: .98rem; overflow: hidden; text-overflow: ellipsis; }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 44px 0;
  background: var(--bg-2);
}
.footer-inner { display: flex; flex-direction: column; align-items: center; gap: 12px; text-align: center; }
.brand-sm .brand-logo { width: 36px; height: 36px; }
.footer-tag { color: var(--muted); font-size: .95rem; }
.footer-copy { color: var(--muted-2); font-size: .86rem; }

/* ---------- Clients marquee ---------- */
.clients { padding: 36px 0 12px; }
.clients-title {
  text-align: center;
  color: var(--muted-2);
  font-size: .9rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 28px;
}
.clients-logos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 22px;
}
.client-logo {
  display: grid;
  place-items: center;
  height: 96px;
  min-width: 210px;
  padding: 18px 34px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: #f4f6fb;
  box-shadow: 0 10px 30px -16px rgba(0,0,0,.6);
  transition: transform .25s var(--ease), box-shadow .25s;
}
.client-logo:hover { transform: translateY(-4px); box-shadow: 0 16px 36px -16px rgba(43,108,246,.5); }
.client-logo img { max-height: 60px; width: auto; }
.client-logo--text { display: flex; align-items: center; justify-content: center; gap: 14px; }
.client-logo--text .cl-mark { max-height: 56px; }
.cl-name {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: #13284f;
  letter-spacing: .2px;
}

.clients-marquee {
  position: relative;
  display: flex;
  gap: 0;
  overflow: hidden;
  width: 100%;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}
.clients-track {
  display: flex;
  align-items: center;
  gap: 22px;
  padding-right: 22px;
  flex-shrink: 0;
  animation: marquee 28s linear infinite;
}
.clients-marquee:hover .clients-track { animation-play-state: paused; }
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-100%); }
}
.logo-chip {
  display: grid;
  place-items: center;
  flex-shrink: 0;
  min-width: 170px;
  height: 74px;
  padding: 0 26px;
  border: 1px dashed var(--border);
  border-radius: 12px;
  background: rgba(255,255,255,0.02);
  color: var(--muted-2);
  font-size: .9rem;
  font-weight: 600;
  letter-spacing: .3px;
}
.logo-chip img { max-height: 40px; width: auto; filter: grayscale(1) brightness(1.6); opacity: .8; transition: filter .3s, opacity .3s; }
.logo-chip:hover img { filter: none; opacity: 1; }

/* ---------- Plans ---------- */
.plans-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
}
.plan {
  display: flex;
  flex-direction: column;
  background: linear-gradient(160deg, var(--surface), var(--bg-2));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 34px 28px;
  position: relative;
  transition: transform .3s var(--ease), border-color .3s, box-shadow .3s;
}
.plan:hover { transform: translateY(-6px); border-color: var(--border-2); }
.plan-featured {
  border-color: var(--blue);
  background:
    radial-gradient(circle at 50% 0%, rgba(43,108,246,0.16), transparent 60%),
    linear-gradient(160deg, var(--surface-2), var(--surface));
  box-shadow: 0 24px 60px -28px rgba(43,108,246,0.6);
}
.plan-featured:hover { transform: translateY(-10px); }
.plan-badge {
  position: absolute;
  top: -13px; left: 50%;
  transform: translateX(-50%);
  background: var(--blue);
  color: #fff;
  font-size: .76rem;
  font-weight: 700;
  letter-spacing: .6px;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 999px;
  white-space: nowrap;
  box-shadow: 0 8px 20px -8px rgba(43,108,246,0.8);
}
.plan-head { padding-bottom: 22px; border-bottom: 1px solid var(--border); }
.plan-icon {
  display: grid;
  place-items: center;
  width: 52px; height: 52px;
  border-radius: 14px;
  background: var(--blue-soft);
  border: 1px solid var(--border-2);
  color: var(--blue-2);
  margin-bottom: 18px;
}
.plan-featured .plan-icon { background: var(--blue); border-color: var(--blue); color: #fff; }
.plan-head h3 { font-size: 1.4rem; font-weight: 800; }
.plan-desc { color: var(--muted); font-size: .96rem; margin-top: 8px; min-height: 48px; }
.plan-price { margin-top: 18px; font-size: 1.3rem; font-weight: 800; color: var(--text); }
.plan-price span { display: block; font-size: .82rem; font-weight: 500; color: var(--blue-2); text-transform: uppercase; letter-spacing: 1px; }
.plan-features { margin: 24px 0 28px; display: grid; gap: 13px; flex: 1; }
.plan-features li {
  position: relative;
  padding-left: 30px;
  color: var(--muted);
  font-size: .96rem;
}
.plan-features li::before {
  content: "";
  position: absolute;
  left: 0; top: 2px;
  width: 19px; height: 19px;
  border-radius: 50%;
  background: var(--blue-soft);
  border: 1px solid var(--border-2);
}
.plan-features li::after {
  content: "";
  position: absolute;
  left: 6px; top: 7px;
  width: 7px; height: 4px;
  border-left: 2px solid var(--blue-2);
  border-bottom: 2px solid var(--blue-2);
  transform: rotate(-45deg);
}
.plan-cta { width: 100%; }
.plans-note { text-align: center; margin-top: 36px; color: var(--muted); }
.plans-note a { color: var(--blue-2); font-weight: 600; text-decoration: underline; text-underline-offset: 3px; }

/* ---------- FAQ ---------- */
.faq-list { max-width: 800px; margin: 0 auto; display: grid; gap: 14px; }
.faq-item {
  background: linear-gradient(160deg, var(--surface), var(--bg-2));
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: border-color .25s;
}
.faq-item[open] { border-color: var(--border-2); }
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 22px 24px;
  font-weight: 600;
  font-size: 1.05rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-lead { display: flex; align-items: center; gap: 14px; flex: 1; min-width: 0; }
.faq-ico {
  display: grid;
  place-items: center;
  flex-shrink: 0;
  width: 38px; height: 38px;
  border-radius: 10px;
  background: var(--blue-soft);
  border: 1px solid var(--border-2);
  color: var(--blue-2);
  transition: background .25s, color .25s;
}
.faq-item[open] .faq-ico { background: var(--blue); color: #fff; }
.faq-item summary::after {
  content: "";
  flex-shrink: 0;
  width: 12px; height: 12px;
  border-right: 2px solid var(--blue-2);
  border-bottom: 2px solid var(--blue-2);
  transform: rotate(45deg);
  transition: transform .3s var(--ease);
}
.faq-item[open] summary::after { transform: rotate(-135deg); }
.faq-answer { padding: 0 24px 22px; }
.faq-answer p { color: var(--muted); }

/* ---------- Contact extras ---------- */
.contact-methods { grid-template-columns: repeat(4, 1fr); }
.contact-actions { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }

/* ---------- Floating WhatsApp ---------- */
.wa-float {
  position: fixed;
  right: 22px; bottom: 22px;
  z-index: 90;
  display: grid;
  place-items: center;
  width: 60px; height: 60px;
  border-radius: 50%;
  background: #25d366;
  color: #fff;
  box-shadow: 0 10px 30px -6px rgba(37,211,102,0.6);
  transition: transform .25s var(--ease), box-shadow .25s;
  animation: wa-pulse 2.6s ease-out infinite;
}
.wa-float:hover { transform: scale(1.08); box-shadow: 0 14px 36px -6px rgba(37,211,102,0.8); }
@keyframes wa-pulse {
  0% { box-shadow: 0 10px 30px -6px rgba(37,211,102,0.6), 0 0 0 0 rgba(37,211,102,0.5); }
  70% { box-shadow: 0 10px 30px -6px rgba(37,211,102,0.6), 0 0 0 16px rgba(37,211,102,0); }
  100% { box-shadow: 0 10px 30px -6px rgba(37,211,102,0.6), 0 0 0 0 rgba(37,211,102,0); }
}

/* ---------- Reveal animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}
.reveal.visible { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { max-width: 480px; }
  .about-inner { grid-template-columns: 1fr; gap: 40px; }
  .about-visual { order: -1; }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .contact-methods { grid-template-columns: repeat(2, 1fr); }
  .plans-grid { grid-template-columns: 1fr; max-width: 460px; margin: 0 auto; }
  .plan-featured { order: -1; }
}

@media (max-width: 720px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .mobile-menu { display: flex; }
  .section { padding: 76px 0; }
  .hero { padding: 130px 0 70px; }
  .contact-box { padding: 40px 24px; }
  .contact-methods { grid-template-columns: 1fr; }
  .wa-float { width: 54px; height: 54px; right: 16px; bottom: 16px; }
}

@media (max-width: 480px) {
  .cards, .steps { grid-template-columns: 1fr; }
  .hero-values { gap: 16px 22px; }
  .code-card { transform: none; }
  .lang-btn { padding: 6px 8px; }
  .lang-btn .lang-code { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
}