/* ========================================
   ESTILO LUI PILATES - Premium & Clean
   ======================================== */

/* CSS Variables */
:root {
  /* Cores da Marca */
  --color-primary: #8E907A;     /* Verde */
  --color-primary-dark: #6E705E;
  --color-secondary: #655D52;  /* Marrom */
  --color-background: #CEC1B1;  /* Bege */
  --color-surface: #F2EDDF;    /* Off White */
  --color-white: #FFFFFF;
  
  /* Cores de Texto */
  --color-text: #3D3832;
  --color-text-light: #7A756F;
  
  /* Tipografia */
  --font-display: 'Ravelle', serif;
  --font-body: 'Ravelle', serif;
  --font-mono: 'IBM Plex Mono', monospace;
  
  /* Espaçamento */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
  
  /* Outras */
  --radius: 4px;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  --transition: 0.3s ease;
}

/* Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-surface);
  overflow-x: hidden;
}

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* Typography */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.2;
}

h1 { font-size: clamp(2.5rem, 6vw, 4.5rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); }

p {
  margin-bottom: 1rem;
}

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

ul {
  list-style: none;
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 2rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border: 2px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
}

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

.btn-primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
}

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

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

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

.btn-white:hover {
  background: var(--color-surface);
  border-color: var(--color-surface);
}

.btn-full {
  width: 100%;
}

/* Section */
.section {
  padding: var(--space-xl) 0;
}

.section-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.section-title {
  margin-bottom: var(--space-md);
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-lg);
}

/* ========================================
   HEADER
   ======================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--space-sm) 0;
  background: rgba(242, 237, 223, 0.95);
  backdrop-filter: blur(10px);
  transition: var(--transition);
}

.header.scrolled {
  box-shadow: var(--shadow);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo img {
  height: 40px;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.nav-list a:not(.btn) {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text);
  position: relative;
}

.nav-list a:not(.btn)::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-primary);
  transition: var(--transition);
}

.nav-list a:not(.btn):hover::after {
  width: 100%;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 5px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: var(--transition);
}

.nav-close {
  display: none;
  position: absolute;
  top: var(--space-sm);
  right: var(--space-md);
  background: none;
  border: none;
  cursor: pointer;
  padding: 10px;
}

.nav-close span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
}

.nav-close span:first-child {
  transform: rotate(45deg);
}

.nav-close span:last-child {
  transform: rotate(-45deg) translateY(-1px);
}

/* ========================================
   HERO
   ======================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--color-background);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(circle at 80% 20%, rgba(142, 144, 122, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 20% 80%, rgba(101, 93, 82, 0.1) 0%, transparent 40%);
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: var(--space-xl) 0;
}

.hero-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.hero-title {
  margin-bottom: var(--space-md);
}

.hero-title em {
  font-style: italic;
  color: var(--color-primary);
}

.hero-text {
  font-size: 1.125rem;
  color: var(--color-text-light);
  max-width: 500px;
  margin-bottom: var(--space-md);
}

.hero-cta {
  display: flex;
  gap: var(--space-sm);
}

.hero-scroll {
  position: absolute;
  bottom: var(--space-md);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
}

.hero-scroll span {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-text-light);
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--color-primary), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; height: 40px; }
  50% { opacity: 1; height: 50px; }
}

/* ========================================
   ABOUT
   ======================================== */
.about {
  background: var(--color-surface);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: center;
}

.about-image-inner {
  position: relative;
  padding-bottom: 120%;
}

.about-image-inner img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius);
}

.image-placeholder {
  position: absolute;
  inset: 0;
  background: var(--color-background);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
}

.image-placeholder span {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-light);
}

.about-content p {
  color: var(--color-text-light);
}

.about-list {
  margin-top: var(--space-md);
}

.about-list li {
  padding: var(--space-xs) 0;
  padding-left: var(--space-sm);
  border-left: 2px solid var(--color-primary);
  margin-bottom: var(--space-xs);
}

.about-list strong {
  color: var(--color-secondary);
}

/* ========================================
   SERVICES
   ======================================== */
.services {
  background: var(--color-background);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-md);
}

.service-card {
  background: var(--color-surface);
  padding: var(--space-md);
  border-radius: var(--radius);
  transition: var(--transition);
}

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

.service-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-sm);
  color: var(--color-primary);
}

.service-icon svg {
  width: 32px;
  height: 32px;
}

.service-card h3 {
  margin-bottom: var(--space-xs);
}

.service-card p {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-bottom: 0;
}

/* ========================================
   FEATURES
   ======================================== */
.features {
  background: var(--color-surface);
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: center;
}

.features-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.feature-item {
  display: flex;
  gap: var(--space-sm);
}

.feature-number {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-primary);
  padding-top: 2px;
}

.feature-item h4 {
  font-family: var(--font-display);
  margin-bottom: 4px;
}

.feature-item p {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-bottom: 0;
}

.features-image .image-placeholder {
  padding-bottom: 120%;
}

/* ========================================
   CTA SECTION
   ======================================== */
.cta-section {
  padding: var(--space-lg) 0;
}

.cta-box {
  background: var(--color-primary);
  padding: var(--space-lg);
  border-radius: var(--radius);
  text-align: center;
}

.cta-box h2 {
  color: var(--color-white);
  margin-bottom: var(--space-xs);
}

.cta-box p {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--space-md);
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

/* ========================================
   CONTACT
   ======================================== */
.contact {
  background: var(--color-background);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.contact-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.contact-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-light);
}

.contact-item a,
.contact-item p {
  font-size: 1rem;
  color: var(--color-text);
  margin: 0;
}

/* Form */
.contact-form {
  background: var(--color-surface);
  padding: var(--space-md);
  border-radius: var(--radius);
}

.form-group {
  margin-bottom: var(--space-sm);
}

.form-group label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
  color: var(--color-text);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-text);
  background: var(--color-white);
  border: 1px solid rgba(101, 93, 82, 0.2);
  border-radius: var(--radius);
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-text-light);
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
  background: var(--color-secondary);
  color: var(--color-white);
  padding: var(--space-lg) 0 var(--space-md);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.footer-brand img {
  margin-bottom: var(--space-xs);
}

.footer-brand p {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 0;
}

.footer h4 {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-sm);
}

.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.footer-links a {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
}

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

.social-links {
  display: flex;
  gap: var(--space-sm);
}

.social-links a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  transition: var(--transition);
}

.social-links a:hover {
  background: var(--color-primary);
}

.social-links svg {
  width: 20px;
  height: 20px;
}

.footer-bottom {
  padding-top: var(--space-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
}

.footer-bottom p {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 0;
}

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 968px) {
  .about-grid,
  .features-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }
  
  .about-image,
  .features-image {
    order: -1;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
    text-align: center;
  }
  
  .social-links {
    justify-content: center;
  }
}

@media (max-width: 768px) {
  :root {
    --space-xl: 4rem;
    --space-lg: 3rem;
  }
  
  /* Hero mobile */
  .hero-content {
    padding: 0 var(--space-sm);
  }
  
  .hero-cta {
    flex-direction: column;
    padding: 0 var(--space-sm);
  }
  
  .hero-cta .btn {
    width: 100%;
    text-align: center;
  }
  
  /* Overlay do menu */
  .nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
  }
  
  .nav-overlay.active {
    opacity: 1;
    visibility: visible;
  }
  
  .nav-toggle {
    display: flex;
  }
  
  .nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 300px;
    height: 100vh;
    background: var(--color-surface);
    padding: var(--space-lg) var(--space-md);
    transition: var(--transition);
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.1);
  }
  
  .nav.active {
    right: 0;
  }
  
  .nav-close {
    display: block;
  }
  
  .nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-md);
    margin-top: var(--space-lg);
  }
  
  .nav-list a:not(.btn) {
    font-size: 1rem;
  }
  
  .hero-cta {
    flex-direction: column;
  }
  
  .hero-cta .btn {
    width: 100%;
  }
  
  .hero-scroll {
    display: none;
  }
}