/*
Theme Name: Air Flow Pro
Theme URI: https://airflowpro.com
Description: High-converting one-product WooCommerce theme for Air Flow Pro — magnetic nasal dilator. Apple-inspired minimalist design with CRO-optimized layout.
Version: 1.0.0
Author: Air Flow Pro
Text Domain: airflow-pro
*/

/* =============================================
   DESIGN TOKENS
   ============================================= */
:root {
  --white:      #FFFFFF;
  --blue-light: #AEEBFF;
  --blue-mid:   #5DADE2;
  --blue-dark:  #185FA5;
  --gray-light: #E5E7EB;
  --gray-bg:    #F9FAFB;
  --text-dark:  #1F2937;
  --text-mid:   #374151;
  --text-muted: #6B7280;
  --text-hint:  #9CA3AF;
  --green-ok:   #10B981;
  --amber:      #F59E0B;

  --radius-sm:  6px;
  --radius-md:  10px;
  --radius-lg:  16px;
  --radius-pill:50px;

  --shadow-sm:  0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md:  0 4px 16px rgba(0,0,0,.08);
  --shadow-lg:  0 8px 32px rgba(0,0,0,.10);

  --font-display: 'DM Sans', 'Helvetica Neue', Arial, sans-serif;
  --font-body:    'DM Sans', 'Helvetica Neue', Arial, sans-serif;

  --max-w: 1100px;
  --section-pad: 80px 24px;
  --transition: all .22s cubic-bezier(.4,0,.2,1);
}

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

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

body {
  font-family: var(--font-body);
  color: var(--text-dark);
  background: var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

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

section {
  padding: var(--section-pad);
}

/* =============================================
   TIPOGRAFIA
   ============================================= */
h1 {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 700;
  letter-spacing: -.02em;
  line-height: 1.15;
}

h2 {
  font-size: clamp(24px, 3.5vw, 36px);
  font-weight: 600;
  letter-spacing: -.015em;
  line-height: 1.25;
}

h3 {
  font-size: clamp(18px, 2.5vw, 22px);
  font-weight: 600;
  line-height: 1.35;
}

h4 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 8px;
}

p { line-height: 1.65; }

.eyebrow {
  display: block;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--blue-mid);
  margin-bottom: 12px;
}

.section-title {
  text-align: center;
  margin-bottom: 16px;
}

.section-subtitle {
  text-align: center;
  max-width: 560px;
  margin: 0 auto 48px;
  color: var(--text-muted);
  font-size: 17px;
}

/* =============================================
   BOTÕES
   ============================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 15px 32px;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 16px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--blue-mid);
  color: var(--white);
  box-shadow: 0 4px 14px rgba(93,173,226,.35);
}
.btn-primary:hover {
  background: var(--blue-dark);
  color: var(--white);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(93,173,226,.45);
}

.btn-outline {
  background: transparent;
  border-color: var(--blue-mid);
  color: var(--blue-mid);
}
.btn-outline:hover {
  background: var(--blue-mid);
  color: var(--white);
}

.btn-white {
  background: var(--white);
  color: var(--text-dark);
  box-shadow: var(--shadow-md);
}
.btn-white:hover {
  background: var(--gray-bg);
  color: var(--text-dark);
}

.btn-xl {
  padding: 18px 44px;
  font-size: 18px;
  border-radius: 8px;
}

.btn-full {
  width: 100%;
}

/* =============================================
   HEADER STICKY
   ============================================= */
#site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-light);
  transition: box-shadow .3s ease;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 24px;
  max-width: var(--max-w);
  margin: 0 auto;
}

.site-logo {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-dark);
  text-decoration: none;
}
.site-logo span { color: var(--blue-mid); }

.header-nav {
  display: flex;
  gap: 28px;
  align-items: center;
}
.header-nav a {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  transition: color .2s;
}
.header-nav a:hover { color: var(--text-dark); }

/* =============================================
   HERO
   ============================================= */
#hero {
  background: linear-gradient(160deg, #f0faff 0%, #e6f6ff 60%, #fff 100%);
  padding: 80px 24px 60px;
  position: relative;
  overflow: hidden;
}

#hero::before {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, var(--blue-light) 0%, transparent 70%);
  top: -60px;
  right: -60px;
  opacity: .45;
  pointer-events: none;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  max-width: var(--max-w);
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(93,173,226,.12);
  border: 1px solid rgba(93,173,226,.3);
  border-radius: var(--radius-pill);
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 600;
  color: var(--blue-dark);
  margin-bottom: 20px;
}

.hero-badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--blue-mid);
  flex-shrink: 0;
}

.hero-content h1 { margin-bottom: 20px; }

.hero-sub {
  font-size: 18px;
  color: var(--text-muted);
  line-height: 1.6;
  max-width: 480px;
  margin-bottom: 28px;
}

.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 32px;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-mid);
}

.trust-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--blue-mid);
  flex-shrink: 0;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.hero-rating {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 14px;
}
.hero-rating .stars { color: var(--amber); }

.hero-image-wrap {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-image-bg {
  position: absolute;
  width: 90%;
  height: 90%;
  background: var(--blue-light);
  border-radius: 50% 40% 50% 40% / 40% 50% 40% 50%;
  opacity: .45;
}

.hero-image-wrap img {
  position: relative;
  z-index: 1;
  max-height: 480px;
  filter: drop-shadow(0 20px 40px rgba(93,173,226,.2));
}

/* =============================================
   PROOF BAR
   ============================================= */
#proof-bar {
  background: var(--text-dark);
  padding: 18px 24px;
}

.proof-bar-inner {
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
  max-width: var(--max-w);
  margin: 0 auto;
}

.proof-stat {
  text-align: center;
}

.proof-stat strong {
  display: block;
  font-size: 22px;
  font-weight: 700;
  color: var(--blue-light);
}

.proof-stat span {
  font-size: 12px;
  color: var(--text-hint);
}

/* =============================================
   PROBLEM SECTION
   ============================================= */
#problem {
  background: var(--white);
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}

.problem-card {
  background: var(--white);
  border: 1px solid var(--gray-light);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  transition: var(--transition);
}

.problem-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--blue-light);
}

.problem-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: var(--blue-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 16px;
}

.problem-card p {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 8px;
  line-height: 1.6;
}

/* =============================================
   SOLUTION
   ============================================= */
#solution {
  background: var(--gray-bg);
}

.solution-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  max-width: var(--max-w);
  margin: 0 auto;
}

.solution-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  background: var(--blue-light);
  min-height: 380px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.solution-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 24px;
}

.solution-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 15px;
  color: var(--text-mid);
}

.solution-check {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--blue-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue-dark);
  font-size: 12px;
  font-weight: 700;
  flex-shrink: 0;
}

/* =============================================
   BENEFITS
   ============================================= */
#benefits {
  background: var(--white);
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.benefit-card {
  background: var(--white);
  border: 1px solid var(--gray-light);
  border-radius: var(--radius-md);
  padding: 28px 20px;
  text-align: center;
  transition: var(--transition);
}

.benefit-card:hover {
  border-color: var(--blue-mid);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.benefit-icon {
  font-size: 36px;
  margin-bottom: 14px;
  display: block;
}

.benefit-card p {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 8px;
  line-height: 1.6;
}

/* =============================================
   HOW IT WORKS
   ============================================= */
#how-it-works {
  background: var(--gray-bg);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  position: relative;
}

.steps-grid::before {
  content: '';
  position: absolute;
  top: 28px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: linear-gradient(90deg, var(--blue-light), var(--blue-mid), var(--blue-light));
  pointer-events: none;
}

.step-card {
  text-align: center;
  position: relative;
  z-index: 1;
}

.step-number {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--blue-mid);
  color: var(--white);
  font-size: 20px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  box-shadow: 0 0 0 6px rgba(93,173,226,.15);
}

.step-card h4 { margin-bottom: 12px; font-size: 18px; }
.step-card p { font-size: 15px; color: var(--text-muted); max-width: 260px; margin: 0 auto; }

/* =============================================
   TESTIMONIALS
   ============================================= */
#testimonials {
  background: var(--white);
}

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

.review-card {
  background: var(--white);
  border: 1px solid var(--gray-light);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  transition: var(--transition);
}

.review-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.review-stars {
  color: var(--amber);
  font-size: 16px;
  letter-spacing: 2px;
  margin-bottom: 14px;
  display: block;
}

.review-text {
  font-size: 15px;
  color: var(--text-mid);
  line-height: 1.65;
  font-style: italic;
  margin-bottom: 20px;
}

.review-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.review-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--blue-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  color: var(--blue-dark);
  flex-shrink: 0;
}

.review-name { font-size: 14px; font-weight: 600; color: var(--text-dark); }
.review-tag { font-size: 12px; color: var(--text-muted); margin-top: 2px; }

.media-strip {
  margin-top: 56px;
  text-align: center;
  padding-top: 40px;
  border-top: 1px solid var(--gray-light);
}

.media-strip p {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--text-hint);
  margin-bottom: 20px;
}

.media-logos {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
}

.media-logo {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-hint);
  opacity: .65;
  transition: opacity .2s;
  cursor: default;
}
.media-logo:hover { opacity: 1; }

/* =============================================
   PRODUCT SECTION (WooCommerce)
   ============================================= */
#product-section {
  background: var(--gray-bg);
}

.product-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

/* WooCommerce Overrides */
.woocommerce .single_add_to_cart_button,
.woocommerce button.button.alt,
.woocommerce button.button.single_add_to_cart_button {
  background: var(--blue-mid) !important;
  color: var(--white) !important;
  border-radius: var(--radius-sm) !important;
  padding: 16px 32px !important;
  font-size: 17px !important;
  font-weight: 700 !important;
  width: 100% !important;
  font-family: var(--font-body) !important;
  transition: var(--transition) !important;
  border: none !important;
  cursor: pointer !important;
}

.woocommerce .single_add_to_cart_button:hover,
.woocommerce button.button.alt:hover {
  background: var(--blue-dark) !important;
  transform: translateY(-1px) !important;
}

.woocommerce .price {
  font-size: 32px !important;
  font-weight: 700 !important;
  color: var(--text-dark) !important;
}

.woocommerce .price del {
  color: var(--text-hint) !important;
  font-size: 20px !important;
}

.woocommerce span.onsale {
  background: var(--blue-mid) !important;
  border-radius: var(--radius-sm) !important;
}

.woocommerce-product-gallery {
  float: none !important;
  width: 100% !important;
}

.product-includes { margin-top: 28px; }
.product-includes h4 { margin-bottom: 12px; color: var(--text-muted); font-size: 13px; text-transform: uppercase; letter-spacing: .06em; }
.product-includes li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-mid);
  padding: 6px 0;
  border-bottom: 1px solid var(--gray-light);
}
.product-includes li:last-child { border-bottom: none; }

.product-specs-table {
  width: 100%;
  border-collapse: collapse;
  border-radius: var(--radius-md);
  border: 1px solid var(--gray-light);
  overflow: hidden;
  font-size: 14px;
  margin-top: 24px;
}

.product-specs-table th,
.product-specs-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--gray-light);
}

.product-specs-table th {
  background: var(--gray-bg);
  color: var(--text-muted);
  font-weight: 500;
  width: 40%;
}

.product-specs-table td {
  color: var(--text-dark);
  font-weight: 500;
}

.product-specs-table tr:last-child th,
.product-specs-table tr:last-child td { border-bottom: none; }

/* =============================================
   FAQ
   ============================================= */
#faq {
  background: var(--white);
}

.faq-list {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.faq-item {
  background: var(--white);
  border: 1px solid var(--gray-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}

.faq-item.open {
  border-color: var(--blue-mid);
  box-shadow: var(--shadow-sm);
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-dark);
  user-select: none;
  gap: 16px;
  transition: background .2s;
}

.faq-question:hover { background: var(--gray-bg); }

.faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1.5px solid var(--gray-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue-mid);
  font-size: 18px;
  transition: var(--transition);
  flex-shrink: 0;
  line-height: 1;
}

.faq-item.open .faq-icon {
  background: var(--blue-mid);
  color: var(--white);
  border-color: var(--blue-mid);
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease, padding .35s ease;
  padding: 0 24px;
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.7;
}

.faq-item.open .faq-answer {
  max-height: 300px;
  padding: 0 24px 20px;
}

/* =============================================
   GUARANTEE
   ============================================= */
#guarantee {
  background: var(--blue-light);
}

.guarantee-inner {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}

.guarantee-badge {
  font-size: 64px;
  margin-bottom: 20px;
  display: block;
}

.guarantee-inner h2 { margin-bottom: 16px; }
.guarantee-inner p { color: var(--blue-dark); font-size: 17px; margin-bottom: 32px; }

.guarantee-points {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 0;
}

.guarantee-point {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--blue-dark);
}

/* =============================================
   FINAL CTA
   ============================================= */
#final-cta {
  background: var(--text-dark);
  padding: 100px 24px;
  text-align: center;
}

#final-cta h2 { color: var(--white); margin-bottom: 16px; }
#final-cta > .container > p { color: var(--text-hint); font-size: 18px; margin-bottom: 36px; }

.final-cta-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.final-reassurance {
  margin-top: 20px;
  font-size: 13px;
  color: var(--text-hint);
}

/* =============================================
   FOOTER
   ============================================= */
#site-footer {
  background: #111827;
  padding: 40px 24px;
  text-align: center;
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

.footer-logo {
  font-size: 20px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 20px;
}
.footer-logo span { color: var(--blue-mid); }

.footer-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 24px;
}

.footer-links a {
  font-size: 13px;
  color: var(--text-hint);
  transition: color .2s;
}
.footer-links a:hover { color: var(--white); }

.footer-copy {
  font-size: 13px;
  color: var(--text-hint);
  line-height: 1.8;
}

/* =============================================
   STICKY MOBILE CTA
   ============================================= */
#sticky-cta {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--white);
  border-top: 1px solid var(--gray-light);
  padding: 12px 20px;
  z-index: 999;
  box-shadow: 0 -4px 20px rgba(0,0,0,.08);
}

.sticky-cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 500px;
  margin: 0 auto;
  gap: 16px;
}

.sticky-cta-price {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-dark);
}

.sticky-cta-price del {
  font-size: 13px;
  color: var(--text-hint);
  font-weight: 400;
  margin-left: 4px;
}

/* =============================================
   ANIMAÇÕES
   ============================================= */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

.animate-fade-up {
  animation: fadeUp .6s cubic-bezier(.4,0,.2,1) both;
}

.delay-1 { animation-delay: .1s; }
.delay-2 { animation-delay: .2s; }
.delay-3 { animation-delay: .3s; }
.delay-4 { animation-delay: .4s; }

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .65s cubic-bezier(.4,0,.2,1), transform .65s cubic-bezier(.4,0,.2,1);
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

/* =============================================
   HAMBURGER / MOBILE NAV
   ============================================= */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  border-radius: var(--radius-sm);
  transition: background .2s;
}
.hamburger:hover { background: var(--gray-light); }
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-dark);
  border-radius: 2px;
  transition: var(--transition);
  transform-origin: center;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

#mobile-nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  top: 57px;
  background: rgba(255,255,255,.98);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 999;
  padding: 32px 24px;
  flex-direction: column;
  border-top: 1px solid var(--gray-light);
}
#mobile-nav-overlay.open {
  display: flex;
}
#mobile-nav-overlay nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
#mobile-nav-overlay nav a {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-dark);
  padding: 14px 0;
  border-bottom: 1px solid var(--gray-light);
  display: block;
  transition: color .2s;
  text-align: left;
}
#mobile-nav-overlay nav a:last-child { border-bottom: none; }
#mobile-nav-overlay nav a:hover { color: var(--blue-mid); }

/* =============================================
   RESPONSIVIDADE — TABLET (max 900px)
   ============================================= */
@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-image-wrap {
    order: -1;
  }

  .solution-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .product-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .problem-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .benefits-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .steps-grid::before {
    display: none;
  }

  .reviews-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* =============================================
   RESPONSIVIDADE — MOBILE (max 600px)
   ============================================= */
@media (max-width: 600px) {
  :root {
    --section-pad: 56px 16px;
  }

  #hero {
    padding: 48px 16px;
  }

  .header-nav,
  .header-buy-btn {
    display: none;
  }

  .hamburger {
    display: flex;
  }

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

  .benefits-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }

  .final-cta-actions {
    flex-direction: column;
    align-items: center;
  }

  #sticky-cta {
    display: block;
  }

  .proof-bar-inner {
    gap: 24px;
  }

  .guarantee-points {
    gap: 16px;
  }

  .media-logos {
    gap: 24px;
  }
}

/* =============================================
   RESPONSIVIDADE — MOBILE PEQUENO (max 400px)
   ============================================= */
@media (max-width: 400px) {
  .benefits-grid {
    grid-template-columns: 1fr;
  }

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

/* ============================================================
   MÓDULO 2 — LIVE PURCHASE NOTIFICATION
   ============================================================ */
#live-notif { pointer-events: none; }

/* ============================================================
   MÓDULO 1 — EXIT INTENT POPUP
   ============================================================ */
#exit-popup { font-family: var(--font-body); }

/* ============================================================
   FREE SHIPPING BAR
   ============================================================ */
.woocommerce-cart .shipping-calculator-form { margin-top: 12px; }

/* ============================================================
   WOOCOMMERCE: CART PAGE
   ============================================================ */
.woocommerce-cart table.cart td.product-thumbnail img { border-radius: var(--radius-sm); }
.woocommerce-cart .cart-collaterals h2 { font-size: 18px; font-weight: 700; }
.woocommerce td.product-name a { font-weight: 600; color: var(--text-dark); }
.woocommerce td.product-name a:hover { color: var(--blue-mid); }

/* ============================================================
   WOOCOMMERCE: CHECKOUT
   ============================================================ */
.woocommerce-checkout .woocommerce-billing-fields h3,
.woocommerce-checkout .woocommerce-shipping-fields h3,
.woocommerce-checkout #order_review_heading { font-size: 18px; font-weight: 700; color: var(--text-dark); margin-bottom: 16px; }
.woocommerce form .form-row label { font-size: 14px; font-weight: 500; color: var(--text-mid); }
.woocommerce form .form-row .input-text { border: 1px solid var(--gray-light) !important; border-radius: var(--radius-sm) !important; padding: 12px 14px !important; font-size: 15px !important; transition: var(--transition) !important; }
.woocommerce form .form-row .input-text:focus { border-color: var(--blue-mid) !important; outline: none !important; box-shadow: 0 0 0 3px rgba(93,173,226,.15) !important; }

/* ============================================================
   BOTÃO PULSANTE GLOBAL
   ============================================================ */
@keyframes pulse {
  0%,100% { box-shadow: 0 4px 14px rgba(239,68,68,.35); }
  50%      { box-shadow: 0 4px 28px rgba(239,68,68,.65); }
}

/* ============================================================
   404 — BOTÃO
   ============================================================ */
.btn-red {
  background: #EF4444;
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 14px rgba(239,68,68,.35);
}
.btn-red:hover { background: #DC2626; color: #fff; }
.btn-pulse { animation: pulse 2s infinite; }

/* ============================================================
   LGPD BANNER
   ============================================================ */
#lgpd-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: #1F2937;
  color: #fff;
  z-index: 9998;
  padding: 16px 24px;
  border-top: 3px solid var(--blue-mid);
}
#lgpd-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
#lgpd-banner p {
  font-size: 14px;
  color: #D1D5DB;
  margin: 0;
  flex: 1;
  min-width: 200px;
}
#lgpd-banner a { color: var(--blue-light); text-decoration: underline; }
#lgpd-actions { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }

/* ============================================================
   WHATSAPP FLUTUANTE
   ============================================================ */
#whatsapp-btn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 998;
  display: flex;
  align-items: center;
  gap: 10px;
  background: #25D366;
  color: #fff;
  padding: 13px 20px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 700;
  box-shadow: 0 4px 20px rgba(37,211,102,.4);
  text-decoration: none;
  transition: var(--transition);
}
#whatsapp-btn:hover {
  background: #1DAA54;
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(37,211,102,.5);
}

@media (max-width: 600px) {
  #whatsapp-btn span { display: none; }
  #whatsapp-btn { padding: 14px; border-radius: 50%; bottom: 80px; }
}