/* =========================================================
   FoxEdu — Design profissional e dinâmico
   Paleta: roxo (#491f7e) + laranja (#ff7a00)
   ========================================================= */

:root {
  --purple: #491f7e;
  --purple-2: #6f34d7;
  --purple-3: #8b45f5;
  --purple-soft: #f4eefc;
  --orange: #ff7a00;
  --orange-soft: #fff1e2;
  --green: #00bf63;
  --ink: #17141f;
  --ink-2: #2a2438;
  --muted: #635d72;
  --line: #ece5f6;
  --soft: #f8f5fd;
  --white: #ffffff;

  --radius: 24px;
  --radius-sm: 16px;
  --radius-xs: 12px;

  --shadow-sm: 0 6px 18px rgba(73, 31, 126, 0.08);
  --shadow: 0 20px 50px rgba(73, 31, 126, 0.14);
  --shadow-lg: 0 34px 80px rgba(73, 31, 126, 0.22);
  --shadow-orange: 0 18px 40px rgba(255, 122, 0, 0.28);

  --grad-brand: linear-gradient(120deg, var(--purple) 0%, var(--purple-3) 55%, var(--orange) 100%);
  --grad-soft: linear-gradient(180deg, #ffffff 0%, #fbf7ff 100%);

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --font-sans: "Inter", system-ui, Arial, sans-serif;
  --font-display: "Sora", var(--font-sans);
}

@property --border-angle {
  syntax: "<angle>";
  inherits: false;
  initial-value: 0deg;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  background: var(--grad-soft);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }

.container {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
}

/* ---------- Fundo decorativo ---------- */
.bg-orbs {
  position: fixed;
  inset: 0;
  z-index: -2;
  overflow: hidden;
  pointer-events: none;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.55;
  animation: float 18s var(--ease) infinite;
}

.orb-1 {
  width: 460px; height: 460px;
  top: -120px; left: -80px;
  background: radial-gradient(circle, rgba(255, 122, 0, 0.5), transparent 70%);
}

.orb-2 {
  width: 520px; height: 520px;
  top: 10%; right: -140px;
  background: radial-gradient(circle, rgba(111, 52, 215, 0.45), transparent 70%);
  animation-delay: -6s;
}

.orb-3 {
  width: 420px; height: 420px;
  bottom: -120px; left: 35%;
  background: radial-gradient(circle, rgba(0, 191, 99, 0.28), transparent 70%);
  animation-delay: -12s;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -40px) scale(1.05); }
  66% { transform: translate(-25px, 30px) scale(0.97); }
}

.bg-grid {
  position: fixed;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(rgba(73, 31, 126, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(73, 31, 126, 0.04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 30%, transparent 75%);
  pointer-events: none;
}

/* =========================================================
   HEADER
   ========================================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border-bottom: 1px solid rgba(236, 229, 246, 0.7);
  transition: box-shadow 0.3s var(--ease), background 0.3s var(--ease);
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 8px 30px rgba(73, 31, 126, 0.08);
}

.header-inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  width: min(1160px, calc(100% - 40px));
  min-height: 76px;
  margin: 0 auto;
}

/* Brand */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: var(--grad-brand);
  color: #fff;
  font-size: 20px;
  box-shadow: var(--shadow-orange);
}

.brand-text {
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 800;
  letter-spacing: -0.5px;
  line-height: 1;
}

.brand-fox { color: var(--orange); }
.brand-edu { color: var(--purple); }

/* Nav */
.header-nav {
  display: flex;
  gap: 8px;
}

.header-nav a {
  position: relative;
  padding: 8px 14px;
  color: var(--ink-2);
  font-weight: 600;
  font-size: 15px;
  border-radius: 10px;
  transition: color 0.2s, background 0.2s;
}

.header-nav a::after {
  content: "";
  position: absolute;
  left: 14px; right: 14px;
  bottom: 4px;
  height: 2px;
  background: var(--grad-brand);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease);
}

.header-nav a:hover { color: var(--purple); }
.header-nav a:hover::after { transform: scaleX(1); }

/* Ações do header */
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.whatsapp-header-arrow {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 42px;
  height: 24px;
  animation: elastic-arrow 0.9s ease-in-out infinite alternate;
  will-change: transform;
}

.whatsapp-header-arrow::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 30px;
  height: 10px;
  border-radius: 999px;
  background: var(--green);
  box-shadow: 0 10px 22px rgba(0, 191, 99, 0.28);
  transform: translateY(-50%);
}

.whatsapp-header-arrow::after {
  content: "";
  position: absolute;
  right: 0;
  top: 50%;
  width: 0;
  height: 0;
  border-top: 11px solid transparent;
  border-bottom: 11px solid transparent;
  border-left: 16px solid var(--green);
  filter: drop-shadow(0 10px 14px rgba(0, 191, 99, 0.22));
  transform: translateY(-50%);
}

.whatsapp-header-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 48px;
  padding: 12px 20px;
  border-radius: 999px;
  background: var(--green);
  color: #fff;
  font-size: 14px;
  font-weight: 800;
  white-space: nowrap;
  box-shadow: 0 18px 40px rgba(0, 191, 99, 0.28);
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.whatsapp-header-button:hover,
.whatsapp-header-button:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 22px 48px rgba(0, 191, 99, 0.4);
  outline: none;
}

.whatsapp-header-button i {
  font-size: 18px;
}

@keyframes elastic-arrow {
  from { transform: translate3d(-5px, 0, 0); }
  to { transform: translate3d(9px, 0, 0); }
}

.login-menu { position: relative; }

.mobile-menu-toggle,
.mobile-header-menu {
  display: none;
}

.mobile-menu-toggle {
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  width: 46px;
  height: 42px;
  border: none;
  border-radius: 14px;
  background: var(--orange);
  box-shadow: var(--shadow-orange);
  cursor: pointer;
}

.mobile-menu-toggle span {
  display: block;
  width: 22px;
  height: 3px;
  border-radius: 999px;
  background: #fff;
  transition: transform 0.25s var(--ease), opacity 0.2s var(--ease);
}

.mobile-menu-toggle.is-open span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.mobile-menu-toggle.is-open span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle.is-open span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.mobile-header-menu {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  z-index: 20;
  width: min(330px, calc(100vw - 24px));
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-lg);
}

.mobile-header-menu.is-open {
  display: grid;
  gap: 8px;
}

.mobile-header-menu a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 14px;
  border-radius: var(--radius-xs);
  color: var(--ink);
  font-size: 15px;
  font-weight: 800;
}

.mobile-header-menu a:hover,
.mobile-header-menu a:focus-visible {
  background: var(--soft);
  outline: none;
}

.mobile-header-menu i {
  display: grid;
  place-items: center;
  width: 30px;
  color: var(--purple);
}

.mobile-header-menu .mobile-menu-whatsapp {
  background: rgba(0, 191, 99, 0.12);
  color: var(--green);
}

.mobile-header-menu .mobile-menu-whatsapp i {
  color: var(--green);
}

.login-button {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 22px;
  border: none;
  border-radius: 999px;
  background: var(--orange);
  color: #fff;
  font-family: inherit;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: var(--shadow-orange);
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.login-button:hover,
.login-button:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 22px 48px rgba(255, 122, 0, 0.42);
  outline: none;
}

.login-button .chev {
  font-size: 11px;
  transition: transform 0.25s var(--ease);
}

.login-menu.is-open .login-button .chev { transform: rotate(180deg); }

.login-options {
  position: absolute;
  top: calc(100% + 14px);
  right: 0;
  z-index: 10;
  display: grid;
  gap: 6px;
  width: 320px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: opacity 0.25s var(--ease), transform 0.25s var(--ease), visibility 0.25s;
}

.login-menu.is-open .login-options {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.login-options a {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 14px;
  border-radius: var(--radius-xs);
  transition: background 0.2s, transform 0.2s;
}

.login-options a:hover { background: var(--soft); transform: translateX(3px); }

.opt-ico {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  border-radius: 12px;
  background: var(--purple-soft);
  color: var(--purple);
  font-size: 17px;
}

.login-options a span:not(.opt-ico) { display: flex; flex-direction: column; }
.login-options a strong { font-size: 15px; color: var(--ink); font-weight: 700; }
.login-options a small { font-size: 13px; color: var(--muted); }

/* =========================================================
   HERO
   ========================================================= */
.hero {
  position: relative;
  padding: clamp(48px, 8vw, 96px) 0 clamp(28px, 4vw, 44px);
  text-align: center;
}

.hero-copy {
  max-width: 880px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border: 1px solid rgba(73, 31, 126, 0.12);
  border-radius: 999px;
  background: rgba(73, 31, 126, 0.05);
  color: var(--purple);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.hero h1 {
  margin: 22px 0 18px;
  font-family: var(--font-display);
  font-size: clamp(32px, 5.6vw, 64px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -1px;
  color: var(--ink);
}

.grad-text {
  background: var(--grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  display: inline;
}

.hero p {
  max-width: 560px;
  margin: 0 auto;
  color: var(--muted);
  font-size: clamp(16px, 2vw, 20px);
}

/* =========================================================
   STATS BAND
   ========================================================= */
.stats-band {
  padding: 14px 0 40px;
}

.stats-grid {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 8px 28px;
  padding: 32px 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow-sm);
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  min-width: 130px;
}

.stat-num {
  font-family: var(--font-display);
  font-size: clamp(30px, 4vw, 44px);
  font-weight: 800;
  line-height: 1;
  color: var(--purple);
}

.stat-label {
  margin-top: 8px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 500;
}

.stat-divider {
  width: 1px;
  height: 44px;
  background: var(--line);
}

/* =========================================================
   SECTION HEADING
   ========================================================= */
.section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 28px;
  margin-bottom: 40px;
}

.section-heading .eyebrow { margin-bottom: 14px; }

.section-heading h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.5px;
}

.heading-sub {
  max-width: 420px;
  margin: 0;
  color: var(--muted);
  font-size: 16px;
}

/* =========================================================
   PRODUTOS
   ========================================================= */
.products-section {
  padding: 30px 0 70px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
}

.product-card {
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow-sm);
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease), border-color 0.4s var(--ease);
}

.product-card[data-card-link] { cursor: pointer; }

.product-card::before {
  --border-angle: 0deg;
  content: "";
  position: absolute;
  inset: 0;
  z-index: 5;
  border-radius: var(--radius);
  padding: 3px;
  background: conic-gradient(
    from var(--border-angle),
    var(--orange),
    var(--purple-3),
    var(--purple),
    var(--purple-3),
    var(--orange)
  );
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.4s var(--ease);
  pointer-events: none;
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.product-card:hover::before,
.product-card:focus-visible::before {
  opacity: 1;
  animation: border-spin 2.8s linear infinite;
}

.product-card:focus-visible {
  outline: 3px solid rgba(73, 31, 126, 0.35);
  outline-offset: 4px;
}

.product-card-wide {
  grid-column: span 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
}

@keyframes border-spin {
  to { --border-angle: 360deg; }
}

/* Media */
.product-media {
  position: relative;
  display: grid;
  aspect-ratio: 16 / 9;
  min-height: 0;
  overflow: hidden;
  background: #fff;
}

.product-media img,
.media-art {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.media-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--orange);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  box-shadow: var(--shadow-orange);
}

.badge-dark { background: var(--purple); box-shadow: 0 14px 30px rgba(73, 31, 126, 0.28); }
.badge-green { background: var(--green); box-shadow: 0 14px 30px rgba(0, 191, 99, 0.3); }

/* Body */
.product-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 30px;
}

.product-card-wide .product-body {
  justify-content: center;
  padding: 40px;
}

.product-kicker {
  align-self: flex-start;
  margin-bottom: 14px;
  padding: 7px 13px;
  border-radius: 999px;
  background: var(--orange-soft);
  color: var(--orange);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.kicker-purple { background: var(--purple-soft); color: var(--purple); }
.kicker-green { background: rgba(0, 191, 99, 0.12); color: var(--green); }

.product-body h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 700;
  line-height: 1.15;
  color: var(--ink);
}

.product-body p {
  margin: 14px 0 18px;
  color: var(--muted);
  font-size: 16px;
}

.product-body strong { color: var(--ink); font-weight: 700; }

.feature-list {
  display: grid;
  gap: 9px;
  margin-bottom: 24px;
}

.feature-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink-2);
  font-size: 15px;
  font-weight: 500;
}

.feature-list i { color: var(--green); font-size: 16px; }

/* Botões */
.primary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  width: fit-content;
  margin-top: auto;
  padding: 14px 24px;
  border: none;
  border-radius: 999px;
  background: var(--grad-brand);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  box-shadow: var(--shadow-orange);
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.primary-button:hover,
.primary-button:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 22px 48px rgba(255, 122, 0, 0.4);
  outline: none;
}

.primary-button i { font-size: 13px; transition: transform 0.25s var(--ease); }
.primary-button:hover i { transform: translateX(4px); }

.featured-card .primary-button {
  background: var(--orange);
  box-shadow: var(--shadow-orange);
}

.featured-card .primary-button:hover,
.featured-card .primary-button:focus-visible {
  box-shadow: 0 22px 48px rgba(255, 122, 0, 0.42);
}

.btn-purple { background: linear-gradient(120deg, var(--purple), var(--purple-3)); box-shadow: 0 18px 40px rgba(73, 31, 126, 0.28); }
.btn-purple:hover, .btn-purple:focus-visible { box-shadow: 0 22px 48px rgba(73, 31, 126, 0.4); }

.btn-green { background: linear-gradient(120deg, var(--green), #00d97a); box-shadow: 0 18px 40px rgba(0, 191, 99, 0.3); }
.btn-green:hover, .btn-green:focus-visible { box-shadow: 0 22px 48px rgba(0, 191, 99, 0.42); }

/* =========================================================
   COMUNIDADE
   ========================================================= */
.social-section { padding: 20px 0 70px; }

.social-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.social-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}

.social-card[data-card-link] { cursor: pointer; }

.social-card::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 4px;
  background: var(--grad-brand);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease);
}

.social-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.social-card:hover::after { transform: scaleX(1); }

.social-card:focus-visible {
  outline: 3px solid rgba(73, 31, 126, 0.35);
  outline-offset: 4px;
}

.social-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 22px;
}

.social-icon {
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  border-radius: 16px;
  color: #fff;
  font-size: 26px;
  transition: transform 0.4s var(--ease);
}

.social-card:hover .social-icon { transform: scale(1.08) rotate(-6deg); }

.whatsapp-icon { background: linear-gradient(135deg, #00bf63, #00a857); }
.instagram-icon { background: linear-gradient(135deg, #8b45f5, #d6336c, #ff7a00); }
.youtube-icon { background: linear-gradient(135deg, #491f7e, #6f34d7); }

.social-arrow {
  color: var(--muted);
  font-size: 16px;
  opacity: 0;
  transform: translate(-6px, 6px);
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease);
}

.social-card:hover .social-arrow {
  opacity: 1;
  transform: translate(0, 0);
  color: var(--purple);
}

.social-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 700;
  color: var(--ink);
}

.social-card p {
  margin: 10px 0 22px;
  color: var(--muted);
  font-size: 15px;
  flex: 1;
}

.link-button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  align-self: flex-start;
  color: var(--purple);
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.link-button i { font-size: 12px; transition: transform 0.25s var(--ease); }
.link-button:hover i { transform: translateX(4px); }

/* =========================================================
   CTA FINAL
   ========================================================= */
.cta-final {
  padding: 20px 0 80px;
}

.cta-inner {
  position: relative;
  overflow: hidden;
  padding: clamp(40px, 6vw, 70px) clamp(28px, 5vw, 60px);
  border-radius: var(--radius);
  background: var(--grad-brand);
  color: #fff;
  text-align: center;
  box-shadow: var(--shadow-lg);
}

.cta-inner::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 15% 20%, rgba(255, 255, 255, 0.18), transparent 40%),
    radial-gradient(circle at 85% 80%, rgba(255, 255, 255, 0.12), transparent 45%);
  pointer-events: none;
}

.cta-inner h2 {
  position: relative;
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: clamp(26px, 4vw, 40px);
  font-weight: 800;
  line-height: 1.12;
}

.cta-inner p {
  position: relative;
  max-width: 540px;
  margin: 0 auto 28px;
  font-size: clamp(15px, 1.8vw, 18px);
  opacity: 0.95;
}

.cta-button {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 32px;
  border-radius: 999px;
  background: #fff;
  color: var(--purple);
  font-size: 15px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.18);
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.cta-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 24px 50px rgba(0, 0, 0, 0.26);
}

.cta-button i { transition: transform 0.25s var(--ease); }
.cta-button:hover i { transform: translateX(4px); }

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer {
  padding: 36px 0;
  border-top: 1px solid var(--line);
  background: var(--soft);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.footer-inner p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

/* =========================================================
   BACK TO TOP
   ========================================================= */
.to-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 40;
  display: grid;
  place-items: center;
  width: 50px;
  height: 50px;
  border: none;
  border-radius: 50%;
  background: var(--grad-brand);
  color: #fff;
  font-size: 18px;
  cursor: pointer;
  box-shadow: var(--shadow-orange);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px) scale(0.8);
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease), visibility 0.3s;
}

.to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.to-top:hover { transform: translateY(-3px) scale(1.05); }

/* =========================================================
   ANIMAÇÕES SCROLL REVEAL
   ========================================================= */
.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-1 { transition-delay: 0.08s; }
.reveal-2 { transition-delay: 0.18s; }
.reveal-3 { transition-delay: 0.3s; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
  .whatsapp-header-arrow { animation: none; }
}

/* =========================================================
   RESPONSIVO
   ========================================================= */
@media (max-width: 980px) {
  .header-nav { display: none; }
  .header-inner { gap: 14px; }
  .product-card-wide { grid-template-columns: 1fr; }
  .section-heading { flex-direction: column; align-items: flex-start; }
  .heading-sub { max-width: 100%; }
}

@media (max-width: 760px) {
  .product-grid { grid-template-columns: 1fr; }
  .product-card-wide { grid-column: span 1; }
  .social-grid { grid-template-columns: 1fr; }

  .header-inner { min-height: 66px; }
  .brand-mark { width: 38px; height: 38px; font-size: 17px; }
  .brand-text { font-size: 26px; }
  .header-actions { gap: 8px; }
  .whatsapp-header-button {
    min-height: 42px;
    padding: 10px 14px;
    font-size: 13px;
  }
  .whatsapp-header-arrow {
    width: 34px;
    height: 20px;
  }
  .whatsapp-header-arrow::before {
    width: 24px;
    height: 8px;
  }
  .whatsapp-header-arrow::after {
    border-top-width: 9px;
    border-bottom-width: 9px;
    border-left-width: 13px;
  }
  .login-button { padding: 10px 15px; font-size: 14px; }

  .login-options {
    right: 0;
    width: min(320px, calc(100vw - 32px));
  }

  .stat-divider { display: none; }
  .stat { min-width: 44%; }
  .stat-num { font-size: 30px; }

  .product-body, .product-card-wide .product-body { padding: 24px; }
  .footer-inner { justify-content: center; text-align: center; }

  .site-header.is-scrolled .header-inner {
    flex-wrap: nowrap;
    min-height: 66px;
    padding: 0;
  }

  .site-header.is-scrolled .brand {
    width: auto;
    flex: 1 1 auto;
    justify-content: center;
  }

  .site-header.is-scrolled .header-actions {
    display: none;
  }

  .site-header.is-scrolled .mobile-menu-toggle {
    display: inline-flex;
  }
}

@media (max-width: 420px) {
  .container,
  .header-inner {
    width: min(100% - 24px, 1160px);
    flex-wrap: wrap;
    gap: 10px 12px;
    padding: 10px 0;
  }

  .brand-text { font-size: 23px; }
  .brand {
    width: 100%;
    justify-content: center;
    text-align: center;
  }
  .header-actions {
    width: 100%;
    justify-content: space-between;
    gap: 8px;
  }
  .whatsapp-header-button {
    flex: 1 1 auto;
    min-width: 0;
    padding: 10px 12px;
  }
  .login-button {
    min-width: 104px;
    height: 42px;
    padding: 0 12px;
    justify-content: center;
  }
  .site-header.is-scrolled .brand {
    width: auto;
    text-align: left;
  }
  .site-header.is-scrolled .header-actions {
    width: auto;
  }
  .cta-final {
    padding: 12px 0 52px;
  }
  .cta-inner {
    padding: 30px 20px 34px;
    border-radius: 22px;
  }
  .cta-inner h2 {
    max-width: 310px;
    margin-inline: auto;
    font-size: 30px;
    line-height: 1.12;
  }
  .cta-inner p {
    max-width: 300px;
    font-size: 16px;
    line-height: 1.55;
  }
  .cta-button {
    width: 100%;
    max-width: 330px;
    padding: 15px 18px;
    font-size: 15px;
    white-space: normal;
  }
  .stat { min-width: 100%; }
}