/* ==========================================================================
   VÉRTICE — TEMPLATE TECH ONE PAGE
   Responsividade · responsive.css
   Abordagem Mobile First — ajustes progressivos por breakpoint
   ========================================================================== */

/* ============================================================
   BASE MOBILE (até 767px) — vale para 320px, 360px, 375px, 414px...
   ============================================================ */
.container { padding: 0 20px; }
.section { padding: 72px 0; }
.section-head { margin-bottom: 40px; }

/* Header / Nav */
.header { padding: 16px 0; }
.header__actions { gap: 10px; }
.header__actions .btn--sm { padding: 9px 14px; font-size: 0.78rem; }

.nav__toggle { display: flex; }
.nav {
  position: fixed;
  top: 0; right: 0;
  width: min(320px, 84vw);
  height: 100vh;
  background: var(--color-navy);
  padding: 100px 32px 32px;
  transform: translateX(100%);
  transition: transform var(--t-med);
  z-index: 190;
  box-shadow: -20px 0 60px rgba(0,0,0,0.35);
}
.nav.is-open { transform: translateX(0); }
.nav__list { flex-direction: column; align-items: flex-start; gap: 26px; }
.nav__link { font-size: 1.05rem; }

.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); }

.nav-overlay {
  position: fixed; inset: 0;
  background: rgba(4, 8, 18, 0.6);
  z-index: 180;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--t-med);
}
.nav-overlay.is-visible { opacity: 1; pointer-events: auto; }

/* Hero */
.hero { padding: 128px 0 70px; min-height: auto; }
.hero__inner { grid-template-columns: 1fr; gap: 56px; }
.hero__title { font-size: clamp(1.9rem, 8vw, 2.4rem); }
.hero__subtitle { font-size: 1rem; max-width: 100%; }
.hero__actions { flex-direction: column; align-items: stretch; }
.hero__actions .btn { justify-content: center; }
.hero-panel { padding: 18px; }
.hero-panel__graph { height: 180px; }
.hero-panel__stats { gap: 20px; flex-wrap: wrap; }
.hero-chip { position: static; display: inline-flex; margin: 10px 8px 0 0; animation: none; }
.hero__visual { display: flex; flex-direction: column; }
.scroll-cue { display: none; }

/* Clients */
.clients { padding: 48px 0; }
.client-logo { font-size: 1rem; }

/* Services */
.services__grid { grid-template-columns: 1fr; gap: 20px; }

/* Advantages */
.advantages__grid { grid-template-columns: 1fr; gap: 40px; }
.advantages__frame { padding: 28px; }

/* Timeline */
.timeline__item { gap: 18px; padding: 18px 0; }
.timeline__index { width: 46px; height: 46px; font-size: 0.85rem; }
.timeline::before { left: 22px; }

/* Portfolio */
.portfolio__grid { grid-template-columns: 1fr; gap: 20px; }
.portfolio-card { aspect-ratio: 16/11; }

/* Stats */
.stats__grid { grid-template-columns: repeat(2, 1fr); gap: 32px 20px; }
.stats { padding: 56px 0; }

/* Testimonials */
.testimonial-card { padding: 26px; }

/* FAQ */
.faq__grid { grid-template-columns: 1fr; gap: 36px; }

/* CTA final */
.cta-final { padding: 64px 0; }

/* Contact */
.contact__grid { grid-template-columns: 1fr; gap: 44px; }
.contact__form { padding: 26px; }
.form-row { grid-template-columns: 1fr; gap: 0; }

/* Footer */
.footer { padding-top: 56px; }
.footer__top { grid-template-columns: 1fr; gap: 36px; padding-bottom: 40px; }
.footer__bottom { flex-direction: column; text-align: center; }

/* WhatsApp float */
.whatsapp-float { width: 52px; height: 52px; font-size: 1.4rem; right: 18px; bottom: 18px; }

/* ============================================================
   ≥ 480px — telas maiores de celular (ajustes finos)
   ============================================================ */
@media (min-width: 480px) {
  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .hero__actions { flex-direction: row; }
  .form-row { grid-template-columns: 1fr 1fr; gap: 20px; }
}

/* ============================================================
   ≥ 768px — TABLET
   ============================================================ */
@media (min-width: 768px) {
  .container { padding: 0 32px; }
  .section { padding: 96px 0; }

  .services__grid { grid-template-columns: repeat(2, 1fr); }
  .portfolio__grid { grid-template-columns: repeat(2, 1fr); }
  .stats__grid { grid-template-columns: repeat(4, 1fr); }
  .footer__top { grid-template-columns: 1fr 1fr; gap: 40px; }

  .hero { padding: 148px 0 90px; }
  .hero__title { font-size: clamp(2.2rem, 5.6vw, 2.8rem); }

  .advantages__grid { grid-template-columns: 1fr; }
  .advantages__items { display: grid; grid-template-columns: 1fr 1fr; gap: 28px 34px; }

  .contact__grid { grid-template-columns: 1fr; }

  .whatsapp-float { right: 24px; bottom: 24px; }
}

/* ============================================================
   ≥ 1024px — DESKTOP / NOTEBOOK — layout completo do template
   ============================================================ */
@media (min-width: 1024px) {
  .nav__toggle { display: none; }
  .nav {
    position: static;
    width: auto; height: auto;
    background: transparent;
    padding: 0;
    transform: none;
    box-shadow: none;
    z-index: auto;
  }
  .nav__list { flex-direction: row; align-items: center; gap: 34px; }
  .nav__link { font-size: 0.92rem; }
  .nav-overlay { display: none; }

  .section { padding: 120px 0; }

  .hero__inner { grid-template-columns: 1.05fr 0.95fr; gap: 60px; }
  .hero__title { font-size: clamp(2.4rem, 4.4vw, 3.6rem); }
  .hero__actions { flex-direction: row; }
  .hero-chip { position: absolute; display: flex; margin: 0; animation: chipFloat 5s ease-in-out infinite; }
  .hero-chip--1 { top: -18px; right: 10%; }
  .hero-chip--2 { bottom: -14px; left: -20px; }
  .scroll-cue { display: block; }

  .services__grid { grid-template-columns: repeat(3, 1fr); }

  .advantages__grid { grid-template-columns: 0.9fr 1.1fr; align-items: center; }
  .advantages__items { grid-template-columns: 1fr; gap: 30px; }

  .faq__grid { grid-template-columns: 0.85fr 1.15fr; }

  .contact__grid { grid-template-columns: 0.85fr 1.15fr; }
  .form-row { grid-template-columns: 1fr 1fr; }

  .footer__top { grid-template-columns: 1.6fr 1fr 1fr 1fr; }
}

/* ============================================================
   ≥ 1440px — TELAS GRANDES — respiro extra, sem alterar a grade
   ============================================================ */
@media (min-width: 1440px) {
  :root { --container-w: 1320px; }
  .hero__title { font-size: 3.9rem; }
  .section-title { font-size: 2.8rem; }
  .hero-panel__graph { height: 250px; }
}

/* ============================================================
   Telas muito pequenas (≤ 340px) — reforço extra de segurança
   ============================================================ */
@media (max-width: 340px) {
  .hero__title { font-size: 1.7rem; }
  .btn { padding: 13px 20px; font-size: 0.88rem; }
  .stats__grid { grid-template-columns: 1fr 1fr; gap: 24px 16px; }
  .brand__name { font-size: 1.05rem; }
}