/* =====================================================================
   VS Solar — Design System  ·  styles.css
   Corpo claro (fundo branco) com hero/header/rodapé escuros. Paleta
   esmeralda como cor principal e lima como destaque. Limpo, premium e
   confiável. Vanilla CSS, sem frameworks.
   Site: VS Solar  ·  Autoria: VS Digital Services
   ===================================================================== */

/* ---------- 1. Tokens ---------- */
:root {
  /* Surfaces — corpo CLARO (hero/header continuam escuros via regras próprias) */
  --bg:            #ffffff;
  --bg-2:          #F4FAF6;   /* seções alternadas (leve verde) */
  --surface:       #ffffff;   /* cards */
  --surface-2:     #F1F7F3;
  --stroke:        #E4EBE6;
  --stroke-strong: #D2DDD6;

  /* Text — escuro */
  --text:    #14241B;
  --muted:   #56685D;
  --muted-2: #8A9890;

  /* Brand — PRIMÁRIA / AÇÃO (esmeralda). Nomes --gold-* = cor principal. */
  --gold-1: #34D399;
  --gold-2: #15A36A;
  --gold-3: #0E7A43;   /* esmeralda escura p/ links/ícones legíveis no claro */
  --grad-gold: linear-gradient(135deg, #2BD48A 0%, #15A36A 55%, #0C6B45 100%);

  /* Brand — esmeralda (apoio) */
  --cyan-1: #2BBE86;
  --cyan-2: #0F8A57;
  --blue:   #0E7A43;
  --grad-cyan: linear-gradient(135deg, #2BBE86 0%, #0F8A57 100%);

  /* Accent — LIMA (destaque) */
  --accent:   #B6F23D;
  --accent-2: #5E7D12;   /* lima escura p/ texto legível no claro */
  --grad-accent: linear-gradient(135deg, #D2F977 0%, #B6F23D 100%);

  /* Eco / WhatsApp */
  --green: #1FA85A;

  /* Effects */
  --radius:    16px;
  --radius-lg: 24px;
  --radius-sm: 11px;
  --shadow:       0 16px 38px -22px rgba(16, 42, 28, 0.30);
  --shadow-soft:  0 8px 24px -14px rgba(16, 42, 28, 0.20);
  --shadow-gold:  0 14px 32px -12px rgba(21, 163, 106, 0.42);
  --shadow-cyan:  0 14px 32px -12px rgba(15, 138, 87, 0.30);
  --shadow-accent:0 14px 32px -12px rgba(94, 125, 18, 0.35);

  --container: 1180px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);

  --font: "Poppins", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* ---------- 2. Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; animation-iteration-count: 1 !important; }
}
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
ul { list-style: none; }
:focus-visible { outline: 2px solid var(--cyan-2); outline-offset: 3px; border-radius: 6px; }

/* ---------- 3. Fundo (suave) ---------- */
.bg-aurora {
  position: fixed; inset: 0; z-index: -2; pointer-events: none; overflow: hidden;
  background:
    radial-gradient(60vw 50vh at 85% -5%, rgba(182, 242, 61, 0.08), transparent 60%),
    radial-gradient(55vw 45vh at -5% 5%, rgba(37, 117, 252, 0.08), transparent 60%),
    var(--bg);
}
.bg-grid { display: none; }   /* removido o grid “futurista” */

/* ---------- 4. Layout ---------- */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }
section { position: relative; padding: clamp(64px, 9vw, 110px) 0; }
section:nth-of-type(even) { background: var(--bg-2); }
.section-head { max-width: 720px; margin: 0 auto clamp(36px, 5vw, 60px); text-align: center; }

/* ---------- 5. Tipografia ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.74rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--gold-3); padding: 7px 14px; border-radius: 999px;
  background: rgba(21, 163, 106, 0.14); border: 1px solid rgba(21, 163, 106, 0.30);
}
.eyebrow.is-cyan { color: var(--accent-2); background: rgba(182,242,61,0.12); border-color: rgba(182,242,61,0.32); }
.eyebrow .dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }

h1, h2, h3 { line-height: 1.12; letter-spacing: -0.02em; font-weight: 800; color: var(--text); }
h1 { font-size: clamp(2.2rem, 5vw, 3.7rem); }
h2 { font-size: clamp(1.8rem, 3.6vw, 2.7rem); }
h3 { font-size: 1.18rem; letter-spacing: -0.01em; }
.section-head h2 { margin: 16px 0 14px; }
.lead { color: var(--muted); font-size: clamp(1rem, 1.3vw, 1.13rem); }
.grad-text { background: var(--grad-gold); -webkit-background-clip: text; background-clip: text; color: transparent; }
.grad-text.cyan { background: var(--grad-cyan); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* ---------- 6. Botões ---------- */
.btn {
  --glow: rgba(21, 163, 106, 0.5);
  position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font-size: 0.98rem; font-weight: 700; padding: 14px 27px; border-radius: 12px;
  white-space: nowrap; overflow: hidden; isolation: isolate;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), filter 0.3s var(--ease), background 0.3s;
  will-change: transform;
}
.btn svg { width: 19px; height: 19px; }
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0) scale(0.98); }

.btn-primary { background: var(--grad-gold); color: #fff; box-shadow: var(--shadow-gold); }
.btn-primary:hover { box-shadow: 0 18px 42px -10px var(--glow); filter: brightness(1.05); }
.btn-primary::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(120deg, transparent 30%, rgba(255,255,255,0.4) 50%, transparent 70%);
  transform: translateX(-120%); transition: transform 0.7s var(--ease);
}
.btn-primary:hover::before { transform: translateX(120%); }

.btn-ghost { background: rgba(255,255,255,0.06); color: #fff; border: 1.5px solid var(--stroke-strong); backdrop-filter: blur(6px); }
.btn-ghost:hover { border-color: var(--gold-2); color: var(--gold-3); box-shadow: var(--shadow-cyan); background: rgba(255,255,255,0.10); }

.btn-whats { background: #25D366; color: #fff; box-shadow: 0 12px 32px -12px rgba(37,211,102,0.55); }
.btn-whats:hover { background: #20c05c; box-shadow: 0 16px 40px -10px rgba(37,211,102,0.6); }

.btn-lg { padding: 17px 32px; font-size: 1.04rem; border-radius: 14px; }
.btn-block { width: 100%; }

/* ripple */
.ripple { position: absolute; border-radius: 50%; transform: scale(0); background: rgba(255,255,255,0.5); animation: ripple 0.6s var(--ease-out); pointer-events: none; z-index: 2; }
@keyframes ripple { to { transform: scale(2.6); opacity: 0; } }

/* estados (formulário) */
.btn[data-state="loading"] { pointer-events: none; color: transparent; }
.btn[data-state="loading"]::after {
  content: ""; position: absolute; width: 20px; height: 20px; border-radius: 50%;
  border: 2.5px solid rgba(255,255,255,0.4); border-top-color: #fff; animation: spin 0.7s linear infinite;
}
.btn[data-state="success"] { background: var(--green); color: #fff; pointer-events: none; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- 7. Card base ---------- */
.glass {
  position: relative; background: var(--surface); border: 1px solid var(--stroke);
  border-radius: var(--radius); box-shadow: var(--shadow-soft);
}
.glow-card { position: relative; transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s var(--ease); }
.glow-card::after { display: none; }   /* sem borda luminosa */
.glow-card:hover { transform: translateY(-6px); border-color: rgba(21,163,106,0.5); box-shadow: var(--shadow); }

/* ---------- 8. Header ---------- */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(8,22,15,0.72); backdrop-filter: blur(10px);
  transition: box-shadow 0.3s var(--ease), background 0.3s;
  border-bottom: 1px solid transparent;
}
.header.scrolled { background: rgba(8,22,15,0.92); box-shadow: 0 8px 26px -16px rgba(0,0,0,0.6); border-bottom-color: var(--stroke); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 74px; }
.nav__logo { height: 42px; }
.nav__links { display: flex; align-items: center; gap: 4px; }
.nav__links a {
  font-size: 0.93rem; font-weight: 600; color: #CBD8CE; padding: 9px 14px; border-radius: 9px;
  transition: color 0.2s, background 0.2s;
}
.nav__links a:hover { color: #fff; background: rgba(255,255,255,0.10); }
.nav__cta { display: flex; align-items: center; gap: 12px; }
.nav__toggle { display: none; width: 44px; height: 44px; border-radius: 11px; border: 1px solid rgba(255,255,255,0.2); background: rgba(255,255,255,0.08); }
.nav__toggle span { display: block; width: 20px; height: 2px; margin: 4px auto; background: var(--text); transition: 0.3s var(--ease); }
.nav__toggle.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav__toggle.open span:nth-child(2) { opacity: 0; }
.nav__toggle.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ---------- 9. Hero (limpo + fundo animado) ---------- */
.hero {
  position: relative; isolation: isolate; text-align: center; overflow: hidden;
  min-height: clamp(600px, 92vh, 880px);
  display: flex; align-items: center; justify-content: center;
  padding-top: clamp(110px, 14vh, 160px); padding-bottom: clamp(56px, 8vw, 96px);
  background: #08160F;
}
/* camada de foto com movimento contínuo (efeito Ken Burns = "gif" suave) */
/* slideshow de 3 imagens: cada uma ~5s com Ken Burns + crossfade (ciclo 15s) */
.hero__slides { position: absolute; inset: 0; z-index: 0; }
.hero__slide {
  position: absolute; inset: -8%; background-size: cover; background-position: center; background-repeat: no-repeat;
  opacity: 0; transform-origin: 55% 45%; will-change: opacity, transform;
  animation: heroFade 15s linear infinite, heroKB 15s ease-in-out infinite;
}
.hero__slide.s1 { background-image: url("../assets/img/banho.webp");        animation-delay: 0s, 0s; }
.hero__slide.s2 { background-image: url("../assets/img/fotovoltaica.webp"); animation-delay: 5s, 5s; }
.hero__slide.s3 { background-image: url("../assets/img/piscina.webp");      animation-delay: 10s, 10s; }
@keyframes heroFade {
  0%  { opacity: 0; }
  3%  { opacity: 1; }
  30% { opacity: 1; }
  36% { opacity: 0; }
  100%{ opacity: 0; }
}
@keyframes heroKB {
  0%  { transform: scale(1.05) translate3d(0, 0, 0); }
  40% { transform: scale(1.18) translate3d(-2.2%, -1.6%, 0); }
  100%{ transform: scale(1.18) translate3d(-2.2%, -1.6%, 0); }
}
/* véu de leitura + brilho de luz que percorre a cena */
.hero__veil {
  position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background:
    linear-gradient(180deg, rgba(14,23,38,0.30) 0%, rgba(14,23,38,0.22) 45%, rgba(14,23,38,0.72) 100%),
    radial-gradient(90% 70% at 50% 38%, transparent 35%, rgba(14,23,38,0.45) 100%);
}
.hero__veil::after {  /* facho de luz solar em movimento */
  content: ""; position: absolute; inset: -30%;
  background: radial-gradient(36% 50% at 50% 50%, rgba(182,242,61,0.16), transparent 70%);
  mix-blend-mode: screen; opacity: 0.9;
  animation: sunsweep 14s ease-in-out infinite alternate;
}
@keyframes sunsweep {
  0%   { transform: translate3d(-22%, -10%, 0) scale(1); }
  100% { transform: translate3d(22%, 8%, 0) scale(1.15); }
}
.hero__inner { position: relative; z-index: 2; max-width: 820px; margin: 0 auto; display: flex; flex-direction: column; align-items: center; }
.hero .eyebrow { background: rgba(182,242,61,0.16); border-color: rgba(182,242,61,0.55); color: #D2F977; backdrop-filter: blur(6px); }
.hero h1 { margin: 22px 0 34px; color: #fff; font-size: clamp(2.6rem, 6.5vw, 4.6rem); text-shadow: 0 2px 30px rgba(0,0,0,0.5); }
.hero h1 .grad-text {
  background: linear-gradient(135deg, #E4FBA6 0%, #B6F23D 50%, #8FD92E 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
  filter: drop-shadow(0 2px 12px rgba(0,0,0,0.55));
}
.hero__actions { display: flex; justify-content: center; }

/* indicador de rolagem */
.hero__scroll {
  position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%); z-index: 2;
  width: 26px; height: 42px; border: 2px solid rgba(255,255,255,0.55); border-radius: 14px;
  display: grid; place-items: start center; padding-top: 7px;
}
.hero__scroll span { width: 4px; height: 8px; border-radius: 4px; background: #fff; animation: scrolldot 1.8s var(--ease) infinite; }
@keyframes scrolldot { 0%{opacity:0; transform:translateY(-3px);} 40%{opacity:1;} 80%{opacity:0; transform:translateY(9px);} 100%{opacity:0;} }

@media (prefers-reduced-motion: reduce) {
  .hero__slide { animation: none; transform: scale(1.06); }
  .hero__slide.s1 { opacity: 1; }   /* mostra só a 1ª imagem, sem movimento */
  .hero__slide.s2, .hero__slide.s3 { opacity: 0; }
  .hero__veil::after { animation: none; }
}

/* desativa visuais antigos do hero se ainda existirem no markup */
.orb, .orb-ring, .orb-node, .chip, .hero__img { display: none !important; }

/* ---------- 10. Marquee / clientes ---------- */
.clients { padding: 40px 0; border-top: 1px solid var(--stroke); border-bottom: 1px solid var(--stroke); background: var(--bg); }
.clients p { text-align: center; color: var(--muted-2); font-size: 0.8rem; letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 24px; }
.marquee { overflow: hidden; -webkit-mask: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); mask: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); }
.marquee__track { display: flex; gap: 56px; width: max-content; animation: scroll-x 34s linear infinite; }
.marquee:hover .marquee__track { animation-play-state: paused; }
.marquee__track span { font-size: 1.1rem; font-weight: 800; color: var(--muted-2); opacity: 0.75; letter-spacing: -0.01em; transition: color 0.3s, opacity 0.3s; white-space: nowrap; }
.marquee__track span:hover { color: var(--blue); opacity: 1; }
@keyframes scroll-x { to { transform: translateX(-50%); } }

/* ---------- 11. Serviços ---------- */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.card {
  border-radius: var(--radius); background: var(--surface); border: 1px solid var(--stroke);
  box-shadow: var(--shadow-soft); display: flex; flex-direction: column; overflow: hidden;
}
.card__media { position: relative; aspect-ratio: 16/10; overflow: hidden; }
.card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s var(--ease); }
.card:hover .card__media img { transform: scale(1.06); }
.card__body { padding: 24px 26px 28px; display: flex; flex-direction: column; gap: 12px; flex: 1; }
.card__icon {
  width: 50px; height: 50px; border-radius: 13px; display: grid; place-items: center; margin-top: -48px;
  position: relative; z-index: 2; background: var(--surface); border: 1px solid var(--stroke);
  box-shadow: var(--shadow-soft); color: var(--gold-3);
}
.card__icon svg { width: 26px; height: 26px; }
.card.cyan .card__icon { color: var(--cyan-2); }
.card h3 { margin-top: 4px; }
.card p { color: var(--muted); font-size: 0.95rem; flex: 1; }
.card__link { display: inline-flex; align-items: center; gap: 7px; font-size: 0.9rem; font-weight: 700; color: var(--gold-3); transition: gap 0.3s; }
.card:hover .card__link { gap: 12px; }
.card.cyan .card__link { color: var(--cyan-2); }

/* ---------- 12. Benefícios / split ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(36px, 6vw, 70px); align-items: center; }
.benefit-list { display: flex; flex-direction: column; gap: 16px; margin-top: 28px; }
.benefit {
  display: flex; gap: 16px; padding: 20px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--stroke); box-shadow: var(--shadow-soft);
  transition: transform 0.3s var(--ease), box-shadow 0.3s;
}
.benefit:hover { transform: translateX(5px); box-shadow: var(--shadow); }
.benefit i { flex: none; width: 44px; height: 44px; border-radius: 11px; display: grid; place-items: center; background: rgba(21,163,106,0.14); color: var(--gold-3); }
.benefit h3 { font-size: 1.05rem; margin-bottom: 4px; }
.benefit p { color: var(--muted); font-size: 0.92rem; }

/* painel de economia */
.eco-panel { padding: 34px; border-radius: var(--radius-lg); background: var(--surface); border: 1px solid var(--stroke); box-shadow: var(--shadow); }
.eco-panel .big { font-size: clamp(2.8rem, 6vw, 4.2rem); font-weight: 800; line-height: 1; letter-spacing: -0.03em; }
.eco-bars { display: flex; align-items: flex-end; gap: 16px; height: 175px; margin: 26px 0 16px; }
.eco-bars .bar { flex: 1; border-radius: 10px 10px 4px 4px; position: relative; height: 0; transition: height 1.2s var(--ease); }
.eco-bars .bar.before { background: #D7E0DA; }
.eco-bars .bar.after { background: var(--grad-gold); box-shadow: var(--shadow-gold); }
.eco-bars .bar span { position: absolute; top: -26px; left: 0; right: 0; text-align: center; font-size: 0.82rem; font-weight: 800; }
.eco-bars .bar small { position: absolute; bottom: -26px; left: 0; right: 0; text-align: center; font-size: 0.78rem; color: var(--muted-2); }

/* ---------- 13. Processo ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.step { padding: 28px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--stroke); box-shadow: var(--shadow-soft); position: relative; }
.step__n { width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center; font-weight: 800; font-size: 1.1rem; background: rgba(21,163,106,0.14); margin-bottom: 16px; }
.step__n b { color: var(--gold-3); }
.step h3 { font-size: 1.06rem; margin-bottom: 8px; }
.step p { color: var(--muted); font-size: 0.9rem; }
.step:not(:last-child)::after { content: ""; position: absolute; top: 50px; right: -12px; width: 24px; height: 2px; background: var(--stroke-strong); display: none; }

/* ---------- 14. Depoimentos ---------- */
.reviews { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.review { padding: 28px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--stroke); box-shadow: var(--shadow-soft); display: flex; flex-direction: column; gap: 16px; }
.review .stars { color: var(--accent); letter-spacing: 2px; font-size: 0.98rem; }
.review p { color: var(--text); font-size: 0.98rem; }
.review .who { display: flex; align-items: center; gap: 12px; margin-top: auto; }
.review .ava { width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; font-weight: 800; color: #fff; background: var(--grad-gold); }
.review .who b { font-size: 0.92rem; display: block; }
.review .who span { font-size: 0.8rem; color: var(--muted-2); }

/* ---------- 15. Garantias ---------- */
.guarantees { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.guarantee { text-align: center; padding: 30px 20px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--stroke); box-shadow: var(--shadow-soft); }
.guarantee i { display: inline-grid; place-items: center; width: 54px; height: 54px; border-radius: 50%; margin-bottom: 14px; background: rgba(182,242,61,0.16); color: var(--accent-2); }
.guarantee b { display: block; font-size: 1.5rem; font-weight: 800; color: var(--text); }
.guarantee span { font-size: 0.86rem; color: var(--muted); }

/* ---------- 16. CTA + formulário ---------- */
.cta-card { padding: clamp(32px, 5vw, 56px); border-radius: var(--radius-lg); position: relative; overflow: hidden;
  background: linear-gradient(135deg, #EAFBF1 0%, #FFFFFF 55%, #F4FCDF 100%); border: 1px solid var(--stroke); box-shadow: var(--shadow); }
.cta-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 5vw, 56px); align-items: center; }
.cta-grid ul { display: flex; flex-direction: column; gap: 13px; margin-top: 24px; }
.cta-grid ul li { display: flex; gap: 12px; align-items: center; color: var(--muted); font-size: 0.96rem; }
.cta-grid ul li svg { flex: none; color: var(--green); width: 20px; height: 20px; }

.form { display: flex; flex-direction: column; gap: 14px; background: transparent; }
.field { position: relative; }
.field label { display: block; font-size: 0.82rem; font-weight: 700; color: var(--muted); margin-bottom: 6px; }
.field input, .field select, .field textarea {
  width: 100%; padding: 13px 15px; border-radius: 11px; font-size: 0.96rem; color: var(--text);
  background: #fff; border: 1.5px solid var(--stroke-strong); transition: border-color 0.25s, box-shadow 0.25s; font-family: inherit;
}
.field input::placeholder, .field textarea::placeholder { color: var(--muted-2); }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--gold-2); box-shadow: 0 0 0 4px rgba(21,163,106,0.18); }
.field.invalid input, .field.invalid select { border-color: #E5484D; box-shadow: 0 0 0 4px rgba(229,72,77,0.12); }
.field .err { color: #E5484D; font-size: 0.76rem; margin-top: 6px; display: none; }
.field.invalid .err { display: block; }
.form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form__note { font-size: 0.78rem; color: var(--muted-2); text-align: center; }
.form__success { display: none; text-align: center; padding: 30px 10px; }
.form__success.show { display: block; animation: pop 0.5s var(--ease); }
.form__success .ok { width: 64px; height: 64px; margin: 0 auto 16px; border-radius: 50%; display: grid; place-items: center; background: rgba(31,168,90,0.12); color: var(--green); }
@keyframes pop { from { transform: scale(0.9); opacity: 0; } }

/* ---------- 17. Footer ---------- */
.footer { padding: 64px 0 36px; background: #061309; color: #BFD2C5; }
.footer__grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 44px; }
.footer__brand img { background: transparent; }
.footer__brand p { color: #9FB0C7; font-size: 0.92rem; margin: 18px 0; max-width: 320px; }
.footer h4 { font-size: 0.82rem; letter-spacing: 0.08em; text-transform: uppercase; color: #6E809B; margin-bottom: 16px; }
.footer ul { display: flex; flex-direction: column; gap: 10px; }
.footer ul a, .footer ul span { color: #9FB0C7; font-size: 0.92rem; transition: color 0.2s; }
.footer ul a:hover { color: var(--gold-1); }
.footer__bottom { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding-top: 26px; border-top: 1px solid rgba(255,255,255,0.1); flex-wrap: wrap; }
.footer__bottom p { color: #6E809B; font-size: 0.84rem; }
.socials { display: flex; gap: 10px; }
.socials a { width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center; background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1); color: #C7D2E2; transition: 0.3s var(--ease); }
.socials a:hover { color: #fff; background: rgba(255,255,255,0.12); transform: translateY(-3px); }

/* ---------- 18. WhatsApp flutuante ---------- */
.wa-float {
  position: fixed; bottom: 24px; right: 24px; z-index: 90; width: 60px; height: 60px; border-radius: 50%;
  display: grid; place-items: center; background: #25D366; color: #fff;
  box-shadow: 0 14px 36px -8px rgba(37,211,102,0.6); transition: transform 0.3s var(--ease);
}
.wa-float svg { width: 30px; height: 30px; }
.wa-float::before { content: ""; position: absolute; inset: 0; border-radius: 50%; border: 2px solid #25D366; animation: ping 2.4s var(--ease) infinite; }
.wa-float:hover { transform: scale(1.08); }
@keyframes ping { 0% { transform: scale(1); opacity: 0.7; } 100% { transform: scale(1.8); opacity: 0; } }

/* ---------- 19. Scroll reveal ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: 0.07s; }
.reveal[data-delay="2"] { transition-delay: 0.14s; }
.reveal[data-delay="3"] { transition-delay: 0.21s; }
.reveal[data-delay="4"] { transition-delay: 0.28s; }
.reveal[data-delay="5"] { transition-delay: 0.35s; }

/* ---------- 20. Responsivo ---------- */
@media (min-width: 901px) { .step:not(:last-child)::after { display: block; } }
@media (max-width: 1024px) {
  .cards, .reviews { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .guarantees { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 880px) {
  .nav__links, .nav__cta .btn-ghost { display: none; }
  .nav__toggle { display: block; }
  .nav.mobile-open .nav__links {
    display: flex; flex-direction: column; align-items: stretch; gap: 4px;
    position: absolute; top: 74px; left: 16px; right: 16px; padding: 14px;
    background: #0C2016; border: 1px solid rgba(255,255,255,0.12); border-radius: var(--radius); box-shadow: var(--shadow);
  }
  .hero__grid, .split, .cta-grid { grid-template-columns: 1fr; }
  .orb-wrap { max-width: 480px; margin: 0 auto; }
  .hero__trust { gap: 22px; }
}
@media (max-width: 600px) {
  .cards, .reviews, .steps, .guarantees, .form .row { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .hero__actions .btn { width: 100%; }
  .chip { display: none; }
  section { padding: 56px 0; }
}