/* ==========================================================================
   MELHOR VERSÃO — Paola Almeida | Landing Page
   ========================================================================== */

:root {
  --red: #FF0000;
  --red-dark: #CC0000;
  --black: #000000;
  --white: #FFFFFF;
  --cream: #F6F2EC;
  --gray-text: #4A4A4A;

  --font-heading: 'Raleway', sans-serif;
  --font-body: 'Montserrat', sans-serif;

  --container-width: 1180px;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-pill: 100px;

  --transition: 0.3s ease;
}

/* ---------------- Reset ---------------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--black);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
ul { list-style: none; margin: 0; padding: 0; }
a { text-decoration: none; color: inherit; }
h1, h2, h3, h4 { font-family: var(--font-heading); margin: 0 0 20px; line-height: 1.15; font-weight: 700; }
p { line-height: 1.7; margin: 0 0 16px; color: var(--gray-text); }
strong { font-weight: 700; }

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

.text-center { text-align: center; }
.text-white { color: var(--white); }
.text-red { color: var(--red); }

.section { padding: 100px 0; }

/* ---------------- Buttons ---------------- */
.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 600;
  padding: 16px 40px;
  border-radius: var(--radius-pill);
  transition: all var(--transition);
  cursor: pointer;
  font-size: 15px;
  white-space: nowrap;
}
.btn-nav {
  background: var(--red);
  color: var(--white);
  padding: 10px 24px;
  font-size: 14px;
}
.btn-nav:hover { background: var(--white); color: var(--red); }

.btn-outline {
  background: transparent;
  color: var(--black);
  border: 1.5px solid var(--red);
  font-style: italic;
  font-weight: 600;
}
.btn-outline:hover { background: var(--red); color: var(--white); }

.btn-solid {
  background: var(--red);
  color: var(--white);
  font-size: 18px;
  padding: 18px 48px;
}
.btn-solid:hover { background: var(--white); color: var(--red); }

/* ==========================================================================
   HEADER / NAV
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 22px 0;
  background: transparent;
  transition: background var(--transition), padding var(--transition), box-shadow var(--transition);
}
.site-header.scrolled {
  background: rgba(0,0,0,0.96);
  padding: 12px 0;
  box-shadow: 0 4px 20px rgba(0,0,0,0.35);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo img { height: 46px; width: auto; transition: height var(--transition); }
.site-header.scrolled .logo img { height: 38px; }

.main-nav {
  display: flex;
  align-items: center;
  gap: 40px;
}
.main-nav ul {
  display: flex;
  gap: 34px;
}
.main-nav ul a {
  color: var(--white);
  font-size: 15px;
  font-weight: 500;
  position: relative;
  transition: color var(--transition);
}
.main-nav ul a:hover { color: var(--red); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 34px; height: 34px;
  background: transparent;
  border: none;
  cursor: pointer;
  z-index: 1100;
}
.nav-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--white);
  transition: all var(--transition);
}

/* ==========================================================================
   HERO
   ========================================================================== */
.hero {
  background: var(--black);
  padding-top: 170px;
  padding-bottom: 0;
  position: relative;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 60px;
  align-items: center;
}
.hero-text h1 {
  color: var(--white);
  font-size: 52px;
  font-weight: 700;
  margin-bottom: 32px;
}
.hero-text h1 em {
  font-style: italic;
  font-weight: 400;
}
.hero-text h1 strong {
  font-weight: 800;
}
.hero-text h1 strong em {
  font-style: italic;
  font-weight: 800;
}
.hero-text p {
  color: #D8D8D8;
  font-size: 16.5px;
  max-width: 520px;
}
.hero-image img {
  border-radius: var(--radius-lg);
  width: 100%;
  height: auto;
  object-fit: cover;
}
.red-bar {
  height: 8px;
  background: var(--red);
  margin-top: 60px;
}

/* ==========================================================================
   PROBLEMS SECTION (cream)
   ========================================================================== */
.problems-section {
  background: var(--cream);
  padding-top: 70px;
}
.problems-section h2 {
  font-size: 34px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}
.intro-paragraph {
  max-width: 850px;
  margin: 0 auto 50px;
  text-align: center;
  font-size: 17px;
  color: #222;
}
.intro-paragraph strong { color: #000; }

.problems-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 22px;
}
.problem-card {
  background: var(--red);
  border-radius: var(--radius-md);
  padding: 30px 22px 40px;
  text-align: center;
  box-shadow: 0 10px 24px rgba(0,0,0,0.15);
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  cursor: default;
}
.problem-card:hover {
  background: var(--black);
  transform: translateY(-6px);
  box-shadow: 0 14px 30px rgba(0,0,0,0.3);
}
.problem-number {
  display: block;
  font-family: var(--font-heading);
  font-size: 30px;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 14px;
}
.problem-card p {
  color: var(--white);
  font-weight: 600;
  font-size: 15px;
  margin: 0;
}

/* ==========================================================================
   RESULTS SECTION (black)
   ========================================================================== */
.results-section {
  background: var(--black);
  padding-bottom: 0;
}
.results-section h2 {
  font-size: 34px;
  max-width: 750px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 60px;
}
.results-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.result-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 60px 44px 44px;
  position: relative;
  text-align: center;
}
.result-icon {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  background: var(--red);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: -100px auto 20px;
  box-shadow: 0 8px 20px rgba(0,0,0,0.25);
}
.result-icon img { width: 44px; height: 44px; object-fit: contain; }
.result-card h3 {
  color: var(--red);
  font-size: 24px;
  margin-bottom: 22px;
}
.check-list { text-align: left; max-width: 340px; margin: 0 auto; }
.check-list li {
  position: relative;
  padding-left: 30px;
  margin-bottom: 16px;
  font-size: 15.5px;
  color: #222;
  line-height: 1.5;
}
.check-list li::before {
  content: "\2713";
  position: absolute;
  left: 0;
  top: -1px;
  color: var(--red);
  font-weight: 800;
  font-size: 17px;
}

/* ---- Method sub-section ---- */
.method-section { padding-top: 90px; padding-bottom: 100px; }
.divider-line {
  width: 100%;
  max-width: 1100px;
  height: 3px;
  background: var(--red);
  margin: 0 auto 60px;
}
.divider-line-sm { max-width: 700px; margin-top: 0; margin-bottom: 70px; }
.eyebrow {
  color: #B8B8B8;
  font-family: var(--font-heading);
  font-size: 18px;
  margin-bottom: 6px;
}
.method-section h2 { font-size: 34px; margin-bottom: 10px; }

.wave-divider {
  max-width: 1000px;
  width: 100%;
  margin: 20px auto 10px;
}
.wave-divider img { width: 100%; height: auto; }

.method-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 50px;
  margin-top: 10px;
}
.method-item h3 {
  color: var(--white);
  font-size: 24px;
  margin-bottom: 14px;
}
.method-item p {
  color: #C9C9C9;
  font-size: 15px;
}

/* ==========================================================================
   ABOUT / SOBRE A PAOLA (cream)
   ========================================================================== */
.about-section { background: var(--cream); }
.about-section h2 {
  font-size: 34px;
  max-width: 950px;
  margin-bottom: 60px;
}
.about-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 60px;
  align-items: start;
  margin-bottom: 50px;
}
.about-image img {
  border-radius: var(--radius-md);
  width: 100%;
  height: auto;
  object-fit: cover;
}
.about-text p { font-size: 16px; color: #222; }
.quote-emphasis {
  color: var(--red);
  font-style: italic;
  font-weight: 700;
  font-size: 17px;
  margin-top: 20px;
}

.stats-row {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 26px;
}
.stats-top {
  display: flex;
  gap: 18px;
  width: 100%;
}
.stat-pill {
  border: 1.5px solid var(--red);
  border-radius: var(--radius-pill);
  padding: 24px 30px;
  font-size: 17px;
  line-height: 1.3;
  color: #222;
  background: transparent;
  text-align: center;
}
.stats-top .stat-pill { flex: 1 1 0; }
.stat-pill strong { color: var(--red); }
.stat-pill-full { width: 70%; max-width: 800px; }

/* ==========================================================================
   SERVICES / ATUAÇÃO (white)
   ========================================================================== */
.services-section { background: var(--white); }
.services-section h2 {
  font-size: 34px;
  margin-bottom: 50px;
}
.services-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 50px;
}
.service-card {
  background: var(--red);
  border-radius: var(--radius-md);
  padding: 44px 40px;
  text-align: center;
  transition: background var(--transition), transform var(--transition);
  cursor: default;
}
.service-card:hover {
  background: var(--black);
  transform: translateY(-6px);
}
.service-card h3 {
  color: var(--white);
  font-size: 26px;
  margin-bottom: 16px;
}
.service-card p {
  color: rgba(255,255,255,0.92);
  font-size: 15.5px;
  margin: 0;
}

/* ==========================================================================
   TEMAS (black)
   ========================================================================== */
.temas-section { background: var(--black); }
.temas-section h2 {
  font-size: 32px;
  max-width: 800px;
  margin: 0 auto 50px;
}
.temas-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  margin-bottom: 64px;
}
.tema-pill {
  border: 1.5px solid var(--white);
  border-radius: var(--radius-pill);
  padding: 14px 26px;
  color: var(--white);
  font-size: 15px;
  font-weight: 600;
  position: relative;
  padding-left: 34px;
  transition: background var(--transition), border-color var(--transition), color var(--transition);
  cursor: default;
}
.tema-pill::before {
  content: "";
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--red);
  transition: background var(--transition);
}
.tema-pill:hover {
  background: var(--red);
  border-color: var(--red);
}
.tema-pill:hover::before { background: var(--white); }

.books-list { display: flex; flex-direction: column; gap: 24px; margin-top: 40px; }
.book-card {
  border: 1.5px solid var(--red);
  border-radius: var(--radius-md);
  padding: 28px;
  display: flex;
  gap: 30px;
  align-items: center;
  transition: background var(--transition);
}
.book-card:hover { background: rgba(255,0,0,0.08); }
.book-card img {
  width: 130px;
  height: auto;
  border-radius: 6px;
  flex-shrink: 0;
  box-shadow: 0 10px 25px rgba(0,0,0,0.4);
}
.book-info h3 { color: var(--white); font-size: 21px; margin-bottom: 10px; }
.book-info p { color: #C9C9C9; font-size: 15px; margin-bottom: 10px; }
.book-year { color: #999; font-style: italic; font-size: 14px; }

/* ==========================================================================
   TESTIMONIALS (cream)
   ========================================================================== */
.testimonials-section { background: var(--cream); }
.testimonials-section h2 { font-size: 32px; margin-bottom: 50px; }
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.testimonial-card {
  background: var(--red);
  border-radius: var(--radius-md);
  padding: 20px 30px 34px;
  box-shadow: 0 10px 24px rgba(0,0,0,0.15);
  transition: background var(--transition), transform var(--transition);
  cursor: default;
}
.testimonial-card:hover {
  background: var(--black);
  transform: translateY(-6px);
}
.quote-mark {
  display: block;
  font-family: Georgia, serif;
  font-size: 70px;
  color: rgba(255,255,255,0.55);
  line-height: 1;
  margin-bottom: 6px;
}
.testimonial-card p {
  color: var(--white);
  font-weight: 600;
  font-size: 15px;
}
.testimonial-card p:last-child { margin-bottom: 0; }

/* ==========================================================================
   CTA FINAL (black)
   ========================================================================== */
.cta-section { background: var(--black); }
.cta-section h2 { font-size: 32px; margin-bottom: 24px; }
.cta-text {
  color: #D8D8D8;
  max-width: 640px;
  margin: 0 auto 40px;
  font-size: 17px;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  background: #0A0A0A;
  padding: 80px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.8fr 1fr;
  gap: 50px;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.footer-brand img { height: 40px; width: auto; margin-bottom: 18px; }
.footer-brand p { color: #B0B0B0; font-size: 14px; max-width: 320px; }

.footer-nav h4, .footer-contact h4 {
  color: var(--white);
  font-size: 18px;
  margin-bottom: 20px;
}
.footer-nav ul li { margin-bottom: 12px; }
.footer-nav ul a {
  color: #B0B0B0;
  font-size: 14.5px;
  transition: color var(--transition);
}
.footer-nav ul a:hover { color: var(--red); }

.footer-contact p { margin-bottom: 10px; font-size: 14.5px; }
.footer-contact a { color: #B0B0B0; transition: color var(--transition); }
.footer-contact a:hover { color: var(--red); }

.social-icons { display: flex; gap: 12px; margin-top: 20px; }
.social-icon {
  width: 38px; height: 38px;
  border: 1.5px solid var(--white);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}
.social-icon:hover {
  background: var(--red);
  border-color: var(--red);
  color: var(--white);
}

.footer-bottom {
  text-align: center;
  padding: 26px 0;
}
.footer-bottom p {
  color: #808080;
  font-size: 13px;
  font-weight: 600;
  margin: 0;
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-text h1 { font-size: 42px; }
  .problems-grid { grid-template-columns: repeat(3, 1fr); }
  .about-grid { grid-template-columns: 1fr; }
  .about-image { max-width: 380px; margin: 0 auto; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 860px) {
  .main-nav {
    position: fixed;
    top: 0; right: 0;
    height: 100vh;
    width: min(320px, 80vw);
    background: var(--black);
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 40px;
    padding: 40px;
    transform: translateX(100%);
    transition: transform 0.35s ease;
    box-shadow: -10px 0 40px rgba(0,0,0,0.4);
  }
  .main-nav.open { transform: translateX(0); }
  .main-nav ul { flex-direction: column; gap: 26px; }
  .main-nav ul a { font-size: 19px; }
  .nav-toggle { display: flex; }

  .hero-grid { grid-template-columns: 1fr; }
  .hero-image { order: -1; max-width: 420px; margin: 0 auto 40px; }
  .hero-text h1 { font-size: 36px; }

  .results-grid { grid-template-columns: 1fr; }
  .method-grid { grid-template-columns: 1fr; gap: 36px; text-align: center; }
  .services-grid { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .problems-grid { grid-template-columns: repeat(2, 1fr); }

  .footer-grid { grid-template-columns: 1fr; text-align: left; }
}

@media (max-width: 560px) {
  .section { padding: 64px 0; }
  .hero { padding-top: 130px; }
  .hero-text h1 { font-size: 30px; }
  h2 { font-size: 26px !important; }
  .br-desktop { display: none; }
  .problems-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 14px;
  }
  .problem-card { width: calc(50% - 7px); padding: 22px 14px 28px; }
  .results-grid { gap: 70px; }
  .book-card { flex-direction: column; text-align: center; }
  .stats-top { flex-direction: column; }
  .stat-pill-full { width: 100%; max-width: none; }
  .stats-row { flex-direction: column; }
  .container { padding: 0 18px; }
  .btn-solid { padding: 16px 32px; font-size: 16px; }
}

/* Nav toggle animation state */
.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; scroll-behavior: auto !important; }
}