:root {
  /* Paleta Biofílica: Olive, Walnut, Ivory */
  --bg-color: #F7F5F0; /* Ivory suave */
  --bg-secondary: #EBE6DF; /* Ivory levemente mais escuro para seções */
  
  --text-primary: #3C2F2F; /* Walnut escuro para texto */
  --text-secondary: #5C4A3D; /* Walnut médio para subtítulos */
  
  --accent: #6B705C; /* Olive (Verde Oliva suave) */
  --accent-dark: #4A5320; /* Olive mais escuro para hover */
  --accent-light: #A5A58D; /* Sage / Olive muito claro */
  
  --white: #ffffff;
  --glass-bg: rgba(247, 245, 240, 0.85);
  --glass-border: rgba(107, 112, 92, 0.15);
  
  /* Sombras elegantes */
  --shadow-sm: 0 4px 6px -1px rgba(60, 47, 47, 0.05), 0 2px 4px -1px rgba(60, 47, 47, 0.03);
  --shadow-md: 0 10px 15px -3px rgba(60, 47, 47, 0.05), 0 4px 6px -2px rgba(60, 47, 47, 0.025);
  --shadow-lg: 0 20px 25px -5px rgba(60, 47, 47, 0.05), 0 10px 10px -5px rgba(60, 47, 47, 0.02);
  
  /* Espaçamentos e Fontes */
  --font-serif: 'Playfair Display', serif;
  --font-sans: 'Inter', sans-serif;
  --radius: 12px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-color);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  color: var(--text-primary);
  font-weight: 600;
}

a {
  text-decoration: none;
  color: inherit;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

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

/* ================== Navbar ================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 15px 0;
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--glass-border);
  z-index: 1000;
  transition: padding 0.3s ease;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--text-primary);
}

.nav-links {
  display: flex;
  gap: 32px;
  align-items: center;
}

.nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

.nav-links a:hover {
  color: var(--accent);
}

.btn-contato {
  background-color: var(--text-primary);
  color: var(--bg-color) !important;
  padding: 8px 20px;
  border-radius: 20px;
}

.btn-contato:hover {
  background-color: var(--text-secondary);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
}

.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--text-primary);
  transition: 0.3s;
}

/* ================== Botões ================== */
.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 30px;
  font-weight: 500;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-primary {
  background-color: var(--accent);
  color: var(--white);
  box-shadow: 0 4px 14px rgba(107, 112, 92, 0.3);
}

.btn-primary:hover {
  background-color: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(107, 112, 92, 0.4);
}

.btn-secondary {
  background-color: transparent;
  color: var(--text-primary);
  border: 1px solid var(--text-primary);
}

.btn-secondary:hover {
  background-color: rgba(60, 47, 47, 0.05);
}

.btn-outline {
  border: 1px solid var(--accent);
  color: var(--accent);
  padding: 10px 24px;
}

.btn-outline:hover {
  background-color: var(--accent);
  color: var(--white);
}

/* ================== Hero Section ================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('assets/bg_farmhouse.png');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  opacity: 0.12; /* Ajustado para ficar bem mais transparente e melhorar legibilidade */
  z-index: -2;
}

.hero-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 60px;
  width: 100%;
  z-index: 1;
}

.hero-text {
  flex: 1;
  max-width: 600px;
}

.hero-text .subtitle {
  color: var(--accent);
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  font-size: 0.85rem;
  margin-bottom: 15px;
}

.hero-text h1 {
  font-size: 3.5rem;
  line-height: 1.1;
  margin-bottom: 24px;
}

.hero-text .description {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

.hero-cta {
  display: flex;
  gap: 16px;
}

.hero-image-wrapper {
  flex: 1;
  position: relative;
  display: flex;
  justify-content: center;
}

.hero-image-backdrop {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  height: 100%;
  background: var(--bg-secondary);
  border-radius: 50%;
  filter: blur(40px);
  z-index: -1;
  opacity: 0.8;
}

.hero-image-mask {
  width: 400px;
  height: 500px;
  border-radius: 200px 200px 0 0;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  position: relative;
  background: linear-gradient(to top, rgba(107, 112, 92, 0.2), transparent);
}

.profile-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  mix-blend-mode: luminosity; /* Mantém B&W mas adere ao tom do fundo */
  opacity: 0.95;
  transition: all 0.5s ease;
}

.hero-image-mask:hover .profile-img {
  transform: scale(1.03);
  mix-blend-mode: normal; /* Revela cor original (se tiver) ou apenas remove o efeito */
}

/* ================== Sobre Mim ================== */
.sobre {
  padding: 100px 0;
  background-color: var(--bg-secondary);
}

.sobre-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.sobre-text h2 {
  font-size: 2.5rem;
  margin-bottom: 24px;
}

.sobre-text .quote {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  color: var(--accent);
  font-style: italic;
  margin-bottom: 24px;
  border-left: 3px solid var(--accent);
  padding-left: 20px;
}

.sobre-text p {
  margin-bottom: 16px;
  color: var(--text-secondary);
}

.sobre-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.stat-card {
  background: var(--bg-color);
  padding: 30px;
  border-radius: var(--radius);
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--glass-border);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.stat-img {
  width: 100%;
  height: 180px; /* Maior, conforme pedido */
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 24px;
}

.stat-img-logo {
  object-fit: contain;
  mix-blend-mode: multiply; /* Remove o fundo branco integrando-o ao fundo ivory */
}

.stat-text-flex {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.stat-text-flex h3 {
  font-size: 4rem;
  color: var(--text-primary);
  line-height: 1;
}

.stat-text-flex p {
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 1.1rem;
  text-align: left;
  line-height: 1.2;
}

.stat-subtitle {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* ================== Livros ================== */
.livros {
  padding: 100px 0;
}

.section-header {
  margin-bottom: 60px;
}

.section-header h2 {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.section-header p {
  color: var(--text-secondary);
  font-size: 1.1rem;
}

.books-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.book-card {
  display: flex;
  gap: 30px;
  background: var(--bg-secondary);
  padding: 40px;
  border-radius: var(--radius);
  align-items: center;
}

/* CSS 3D Book Mockup */
.book-3d-wrapper {
  perspective: 1000px;
  width: 160px;
  height: 240px;
  flex-shrink: 0;
}

.book-3d {
  width: 100%;
  height: 100%;
  position: relative;
  transform-style: preserve-3d;
  transform: rotateY(-20deg) rotateX(10deg);
  transition: transform 0.5s ease;
  box-shadow: 15px 15px 25px rgba(0,0,0,0.1);
}

.book-3d:hover {
  transform: rotateY(-5deg) rotateX(5deg) translateZ(20px);
  box-shadow: 5px 15px 35px rgba(0,0,0,0.15);
}

.book-3d img {
  width: 100%;
  height: 100%;
  object-fit: fill; /* Força o preenchimento exato da caixa sem bordas */
  border-radius: 2px 5px 5px 2px;
  position: absolute;
}

/* Criar lombada falsa usando pseudo-elemento */
.book-3d::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 25px;
  height: 100%;
  background-color: var(--text-secondary); /* Cor de fundo sólida para a lombada! Remove a borda estranha escura */
  background-image: linear-gradient(to right, rgba(255,255,255,0.4), rgba(255,255,255,0.1) 3px, transparent 4px, rgba(0,0,0,0.2) 23px, rgba(0,0,0,0.4));
  transform-origin: left;
  transform: rotateY(90deg);
  border-radius: 3px 0 0 3px;
}

/* Páginas (lado direito do livro) */
.book-3d::after {
  content: '';
  position: absolute;
  top: 2px;
  right: 0;
  width: 25px;
  height: calc(100% - 4px);
  background: repeating-linear-gradient(to right, #f4f4f4, #f4f4f4 1px, #e8e8e8 2px);
  transform-origin: right;
  transform: rotateY(-90deg);
  border-radius: 0 3px 3px 0;
}


.book-info {
  flex: 1;
}

.book-tag {
  display: inline-block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  background: var(--glass-border);
  padding: 4px 10px;
  border-radius: 12px;
  color: var(--accent-dark);
  margin-bottom: 12px;
  font-weight: 600;
}

.book-info h3 {
  font-size: 1.6rem;
  margin-bottom: 12px;
  line-height: 1.3;
}

.book-excerpt {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 24px;
}

/* ================== Cursos ================== */
.cursos {
  padding: 100px 0;
  background-color: var(--text-primary);
  color: var(--bg-color);
}

.cursos .section-header h2 {
  color: var(--bg-color);
}

.cursos .section-header p {
  color: var(--accent-light);
}

.courses-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.course-card {
  background-color: var(--text-secondary);
  padding: 40px 30px;
  border-radius: var(--radius);
  transition: transform 0.3s ease, background-color 0.3s ease;
  display: block;
}

.course-card:hover {
  transform: translateY(-8px);
  background-color: #6a5547;
}

.course-content h3 {
  color: var(--bg-color);
  font-size: 1.4rem;
  margin-bottom: 16px;
}

.course-content p {
  color: #d1c8c0;
  font-size: 0.95rem;
  margin-bottom: 24px;
  min-height: 80px;
}

.course-link {
  color: var(--accent-light);
  font-weight: 500;
  font-size: 0.95rem;
  transition: padding 0.3s ease;
}

.course-card:hover .course-link {
  padding-left: 8px;
}

/* ================== Footer & Contato ================== */
.footer {
  padding: 80px 0 40px;
  background-color: var(--bg-secondary);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 40px;
  margin-bottom: 60px;
}

.footer-brand h2 {
  font-size: 1.8rem;
  margin-top: 0;
  margin-bottom: 8px;
}

.footer-signature {
  max-width: 250px;
  height: auto;
  margin-bottom: 5px;
  opacity: 0.9;
  display: block;
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: 1rem;
  margin-top: 0;
}

.footer h3 {
  font-size: 1.1rem;
  font-family: var(--font-sans);
  margin-top: 0;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.footer-links ul {
  list-style: none;
}

.footer-icon-list li {
  margin-bottom: 14px;
}

.footer-icon-list a {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-secondary);
  transition: color 0.2s ease;
  font-size: 0.95rem;
}

.footer-icon-list a i {
  font-size: 1.1rem;
  width: 20px;
  text-align: center;
}

.footer-links a:hover {
  color: var(--accent-dark);
}

.email-link {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--accent-dark);
  font-weight: 500;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.email-link i {
  text-decoration: none;
}

.footer-bottom {
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid var(--glass-border);
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* ================== Responsivo ================== */

/* ---------- Tablet (max 992px) ---------- */
@media (max-width: 992px) {
  .hero-content {
    flex-direction: column;
    text-align: center;
    gap: 40px;
    padding-top: 20px;
  }

  .hero-text {
    max-width: 100%;
    text-align: center;
  }

  .hero-text h1 {
    font-size: 2.8rem;
  }

  .hero-cta {
    justify-content: center;
  }

  .hero-image-mask {
    width: 300px;
    height: 380px;
  }

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

  .sobre-text h2 {
    font-size: 2rem;
  }

  .sobre-text .quote {
    font-size: 1.2rem;
  }

  .sobre-stats {
    grid-template-columns: 1fr 1fr;
  }

  .books-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .book-card {
    max-width: 600px;
    margin: 0 auto;
  }

  .section-header h2 {
    font-size: 2rem;
  }

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

/* ---------- Smartphone (max 768px) ---------- */
@media (max-width: 768px) {
  /* Navbar mobile */
  .nav-links {
    position: absolute;
    top: 60px;
    left: 0;
    width: 100%;
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    flex-direction: column;
    padding: 24px 0;
    gap: 0;
    box-shadow: var(--shadow-md);
    clip-path: circle(0% at 100% 0);
    transition: clip-path 0.4s ease-out;
  }

  .nav-links.active {
    clip-path: circle(150% at 100% 0);
  }

  .nav-links a {
    padding: 12px 24px;
    font-size: 1rem;
    width: 100%;
    text-align: center;
  }

  .mobile-menu-btn {
    display: flex;
  }

  /* Hero mobile */
  .hero {
    min-height: auto;
    padding-top: 80px;
    padding-bottom: 60px;
  }

  .hero-bg {
    background-attachment: scroll; /* Corrige bug em iOS que não suporta fixed */
  }

  .hero-content {
    flex-direction: column-reverse;
    gap: 32px;
    padding: 0 20px;
  }

  .hero-text h1 {
    font-size: 2.2rem;
    line-height: 1.15;
    margin-bottom: 16px;
  }

  .hero-text .subtitle {
    font-size: 0.75rem;
    margin-bottom: 10px;
  }

  .hero-text .description {
    font-size: 0.95rem;
    margin-bottom: 24px;
  }

  .hero-image-mask {
    width: 200px;
    height: 260px;
    border-radius: 120px 120px 0 0;
  }

  .hero-cta {
    flex-direction: row;
    gap: 12px;
  }

  .hero-cta .btn {
    padding: 12px 22px;
    font-size: 0.9rem;
  }

  /* Sobre Mim mobile */
  .sobre {
    padding: 60px 0;
  }

  .sobre-text h2 {
    font-size: 1.8rem;
    margin-bottom: 16px;
  }

  .sobre-text .quote {
    font-size: 1.1rem;
    padding-left: 16px;
    margin-bottom: 16px;
  }

  .sobre-text p {
    font-size: 0.92rem;
    margin-bottom: 12px;
  }

  .sobre-stats {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .stat-card {
    flex-direction: row;
    padding: 16px 20px;
    gap: 16px;
    text-align: left;
  }

  .stat-img {
    width: 100px;
    height: 80px;
    margin-bottom: 0;
    border-radius: 8px;
    flex-shrink: 0;
  }

  .stat-text-flex {
    gap: 8px;
  }

  .stat-text-flex h3 {
    font-size: 2.5rem;
  }

  .stat-text-flex p {
    font-size: 0.9rem;
  }

  .stat-subtitle {
    font-size: 0.95rem;
  }

  /* Livros mobile */
  .livros {
    padding: 60px 0;
  }

  .section-header {
    margin-bottom: 32px;
  }

  .section-header h2 {
    font-size: 1.8rem;
    margin-bottom: 10px;
  }

  .section-header p {
    font-size: 0.95rem;
  }

  .book-card {
    flex-direction: row;
    padding: 20px;
    gap: 20px;
    align-items: flex-start;
    text-align: left;
  }

  .book-3d-wrapper {
    width: 100px;
    height: 150px;
    flex-shrink: 0;
    margin: 0;
  }

  .book-3d {
    transform: rotateY(-12deg) rotateX(5deg);
    box-shadow: 8px 8px 15px rgba(0,0,0,0.08);
  }

  .book-3d::before {
    width: 15px;
  }

  .book-3d::after {
    width: 15px;
  }

  .book-info h3 {
    font-size: 1.15rem;
    margin-bottom: 8px;
    line-height: 1.25;
  }

  .book-excerpt {
    font-size: 0.85rem;
    margin-bottom: 14px;
    line-height: 1.5;
  }

  .book-tag {
    font-size: 0.65rem;
    padding: 3px 8px;
    margin-bottom: 8px;
  }

  .btn-outline {
    padding: 8px 16px;
    font-size: 0.8rem;
  }

  /* Cursos mobile */
  .cursos {
    padding: 60px 0;
  }

  .courses-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .course-card {
    padding: 28px 24px;
  }

  .course-content h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
  }

  .course-content p {
    font-size: 0.88rem;
    margin-bottom: 16px;
    min-height: auto;
  }

  .course-link {
    font-size: 0.88rem;
  }

  /* Footer mobile */
  .footer {
    padding: 50px 0 30px;
  }

  .footer-content {
    flex-direction: column;
    gap: 32px;
    margin-bottom: 32px;
  }

  .footer-brand {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .footer-signature {
    max-width: 180px;
  }

  .footer-brand h2 {
    font-size: 1.5rem;
  }

  .footer-brand p {
    font-size: 0.9rem;
  }

  .footer h3 {
    font-size: 1rem;
    margin-bottom: 14px;
  }

  .footer-icon-list a {
    font-size: 0.9rem;
  }

  .footer-icon-list li {
    margin-bottom: 12px;
  }

  .email-link {
    font-size: 0.9rem;
  }

  .footer-bottom {
    padding-top: 20px;
    font-size: 0.8rem;
  }
}

/* ---------- Smartphone pequeno (max 480px) ---------- */
@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .logo {
    font-size: 1.2rem;
  }

  .hero-text h1 {
    font-size: 1.8rem;
  }

  .hero-text .description {
    font-size: 0.88rem;
  }

  .hero-image-mask {
    width: 170px;
    height: 220px;
  }

  .hero-cta {
    flex-direction: column;
    align-items: center;
    gap: 10px;
  }

  .hero-cta .btn {
    width: 100%;
    max-width: 220px;
    text-align: center;
  }

  .sobre-text h2 {
    font-size: 1.5rem;
  }

  .sobre-text .quote {
    font-size: 1rem;
  }

  .stat-card {
    padding: 14px 16px;
  }

  .stat-img {
    width: 80px;
    height: 65px;
  }

  .stat-text-flex h3 {
    font-size: 2rem;
  }

  .stat-text-flex p {
    font-size: 0.8rem;
  }

  .stat-subtitle {
    font-size: 0.85rem;
  }

  .book-card {
    padding: 16px;
    gap: 14px;
  }

  .book-3d-wrapper {
    width: 85px;
    height: 128px;
  }

  .book-info h3 {
    font-size: 1.05rem;
  }

  .book-excerpt {
    font-size: 0.82rem;
  }

  .course-card {
    padding: 22px 18px;
  }

  .course-content h3 {
    font-size: 1.1rem;
  }

  .course-content p {
    font-size: 0.85rem;
  }

  .footer-signature {
    max-width: 150px;
  }

  .footer-brand h2 {
    font-size: 1.3rem;
  }
}