:root {
  --color-bg: #F4F7F5;
  --color-surface: #E8EDE9;
  --color-primary: #789684;
  --color-heading: #1E3326;
  --color-accent: #C78D6A;
  --color-text: #243329;
  --color-muted: #6A7A72;
  --color-border: #D5E0D9;
  --color-white: #FFFFFF;
  --color-studio: #547B8C;
  --color-echo: #C8954A;

  --font-heading: 'Cormorant Garamond', serif;
  --font-body: 'Inter', sans-serif;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 24px rgba(0,0,0,0.06);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.08);

  --transition: all 0.3s ease-in-out;
}

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

body {
  font-family: var(--font-body);
  font-size: 1.125rem;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-heading);
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

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

ul {
  list-style: none;
}

button {
  font-family: var(--font-body);
  font-size: inherit;
  border: none;
  background: none;
  cursor: pointer;
  transition: var(--transition);
}

button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* ============================================================
   Typography Utilities
   ============================================================ */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-muted { color: var(--color-muted); }
.text-primary { color: var(--color-primary); }
.text-sm { font-size: 1rem; }
.text-lg { font-size: 1.25rem; line-height: 1.8; }
.text-xl { font-size: 1.5rem; line-height: 1.6; }

.heading-xl { font-size: clamp(3rem, 5vw, 5rem); }
.heading-lg { font-size: clamp(2.5rem, 4vw, 4rem); }
.heading-md { font-size: clamp(2rem, 3vw, 3rem); }
.heading-sm { font-size: clamp(1.5rem, 2vw, 2rem); }

/* ============================================================
   Layout Utilities
   ============================================================ */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 6rem 0;
}

.section-surface {
  background-color: var(--color-surface);
}

.grid {
  display: grid;
  gap: 2rem;
}

.grid-cols-2 { grid-template-columns: repeat(1, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(1, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(1, 1fr); }

@media (min-width: 768px) {
  .grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-cols-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-cols-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
}

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 0.5rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }

/* ============================================================
   Components — Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-weight: 500;
  text-align: center;
  transition: box-shadow 0.4s cubic-bezier(0.16, 1, 0.3, 1), background-color 0.3s ease, color 0.3s ease;
}

.btn:hover {
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15), 0 4px 10px rgba(0, 0, 0, 0.05);
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-white);
  box-shadow: var(--shadow-sm);
}

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

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

/* ============================================================
   Components — Cards
   ============================================================ */
.card {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 2rem;
  border-radius: var(--radius-xl);
  background-color: var(--color-white);
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}

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

/* ============================================================
   Components — Badges
   ============================================================ */
.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-primary { background-color: rgba(44, 95, 93, 0.1); color: var(--color-primary); }
.badge-studio { background-color: rgba(74, 124, 158, 0.1); color: var(--color-studio); }
.badge-home { background-color: rgba(200, 149, 108, 0.1); color: var(--color-accent); }
.badge-echo { background-color: rgba(200, 149, 74, 0.1); color: var(--color-echo); }

/* ============================================================
   Animations
   ============================================================ */
.fade-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   Navbar
   ============================================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background: rgba(250, 250, 248, 0.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(0,0,0,0.05);
  transition: all 0.3s ease;
}

.navbar-top {
  display: none;
  background-color: var(--color-primary);
  font-size: 1rem;
}

.navbar-top-inner {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 2rem;
  padding: 0.5rem 0;
}

.navbar-top .nav-link {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.85);
}

.navbar-top .nav-link:hover,
.navbar-top .nav-link.active {
  color: #FFFFFF;
}

.navbar-top .nav-link::after {
  background-color: #FFFFFF;
}

.navbar-main {
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  padding: 1rem 1rem;
  transition: padding 0.3s ease;
}

@media (min-width: 1024px) {
  .navbar-top { display: block; }
}

.navbar-logo {
  font-family: var(--font-heading);
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: -0.02em;
}

.navbar-left, .navbar-right {
  display: none;
  align-items: center;
  gap: 2rem;
  flex: 1;
}

.navbar-right {
  justify-content: flex-end;
}

.nav-submarca {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  color: #52575C;
}

.nav-sobre {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
}

@media (min-width: 1024px) {
  .navbar-left, .navbar-right { display: flex; }
  .navbar-logo {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
  }
}

.nav-link {
  position: relative;
  font-weight: 500;
  color: var(--color-text);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: var(--transition);
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100% !important;
}

.nav-submarca.studio:hover, .nav-submarca.active.studio { color: var(--color-studio) !important; }
.nav-submarca.home:hover, .nav-submarca.active.home { color: var(--color-accent) !important; }
.nav-submarca.echo:hover, .nav-submarca.active.echo { color: var(--color-echo) !important; }

.nav-submarca.studio:hover::after, .nav-submarca.active.studio::after { background-color: var(--color-studio) !important; width: 100% !important; }
.nav-submarca.home:hover::after, .nav-submarca.active.home::after { background-color: var(--color-accent) !important; width: 100% !important; }
.nav-submarca.echo:hover::after, .nav-submarca.active.echo::after { background-color: var(--color-echo) !important; width: 100% !important; }


.mobile-menu-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  padding: 0;
  border-radius: var(--radius-md);
  z-index: 101;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.mobile-menu-btn svg {
  width: 28px;
  height: 28px;
}

@media (min-width: 1024px) {
  .mobile-menu-btn { display: none; }
}

.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  z-index: 99;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  gap: 2rem;
  background-color: var(--color-bg);
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
  overflow-y: auto;
  padding: 6rem 2rem 3rem;
  -webkit-overflow-scrolling: touch;
}

.mobile-menu.open {
  opacity: 1;
  pointer-events: auto;
}

.mobile-menu .nav-link {
  font-family: var(--font-heading);
  font-size: 1.5rem;
}

.mobile-menu .nav-link::after {
  display: none;
}

/* ============================================================
   Footer
   ============================================================ */
.footer {
  padding: 4rem 0 2rem;
  border-top: 1px solid var(--color-border);
  background-color: var(--color-surface);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

@media (min-width: 768px) {
  .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; }
}

.footer-brand .logo {
  display: block;
  margin-bottom: 1rem;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
}

.footer-title {
  margin-bottom: 1.5rem;
  font-weight: 600;
  color: var(--color-text);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a { color: var(--color-muted); }
.footer-links a:hover { color: var(--color-primary); }

.footer-bottom {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
  font-size: 0.875rem;
  color: var(--color-muted);
}

@media (min-width: 768px) {
  .footer-bottom { flex-direction: row; }
}

/* ============================================================
   Forms
   ============================================================ */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--color-text);
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-white);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: var(--transition);
}

.form-control:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(44, 95, 93, 0.1);
  outline: none;
}

textarea.form-control {
  min-height: 120px;
  resize: vertical;
}

/* ============================================================
   Loading Skeleton
   ============================================================ */
.skeleton {
  border-radius: var(--radius-sm);
  background: linear-gradient(90deg, var(--color-surface) 25%, var(--color-border) 50%, var(--color-surface) 75%);
  background-size: 200% 100%;
  animation: skeletonLoading 1.5s infinite;
}

@keyframes skeletonLoading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ============================================================
   Pills
   ============================================================ */
.pill {
  padding: 0.5rem 1.25rem;
  border: 1px solid transparent;
  border-radius: 9999px;
  background-color: var(--color-surface);
  color: var(--color-text);
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.pill:hover { background-color: var(--color-border); }
.pill.active { background-color: var(--color-primary); color: var(--color-white); }

/* ============================================================
   Stepper (Agendamento)
   ============================================================ */
.stepper {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 3rem;
}

.step {
  display: flex;
  align-items: center;
}

.step-circle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: var(--color-surface);
  color: var(--color-muted);
  font-weight: 600;
  transition: var(--transition);
}

.step.active .step-circle,
.step.completed .step-circle {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.step-line {
  width: 40px;
  height: 2px;
  margin: 0 10px;
  background-color: var(--color-surface);
  transition: var(--transition);
}

.step.completed + .step-line {
  background-color: var(--color-primary);
}

@media (min-width: 768px) {
  .step-line { width: 80px; }
}

/* ============================================================
   Hero Split (Primary Layout)
   ============================================================ */
.hero-split {
  padding-top: 100px;
  background-color: var(--color-bg);
}

.hero-split-content {
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
  gap: 3rem;
  padding: 4rem 1.5rem;
}

@media (min-width: 1024px) {
  .hero-split-content {
    grid-template-columns: 1fr 1fr;
  }
}

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

.hero-image-wrapper {
  display: block;
  overflow: hidden;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  background-color: white;
}

.hero-image-wrapper img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

@media (min-width: 1024px) {
  .hero-image-wrapper {
    /* Deixa a imagem fluir naturalmente */
  }
}