/* ===== VARIABLES ===== */
:root {
  /* Colors */
  --color-primary: #D4AF37; /* Dourado */
  --color-primary-dark: #B8941F;
  --color-primary-light: #E6C866;
  --color-secondary: #C0C0C0; /* Prata */
  --color-background: #000000; /* Preto */
  --color-surface: #1A1A1A;
  --color-surface-light: #2A2A2A;
  --color-text: #FFFFFF;
  --color-text-secondary: #C0C0C0;
  --color-text-muted: #808080;
  
  /* Typography */
  --font-family: 'Inter', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  --font-size-6xl: 3.75rem;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  --spacing-4xl: 6rem;
  
  /* Layout */
  --container-max-width: 1200px;
  --header-height: 80px;
  --border-radius: 8px;
  --border-radius-lg: 12px;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  --shadow-gold: 0 0 20px rgba(212, 175, 55, 0.3);
}

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

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

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

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

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

ul {
  list-style: none;
}

button {
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
}

/* ===== UTILITIES ===== */
.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.section {
  padding: var(--spacing-4xl) 0;
}

.section__title {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  color: var(--color-primary);
  text-align: center;
  margin-bottom: var(--spacing-2xl);
  position: relative;
}

.section__title::after {
  content: '';
  position: absolute;
  bottom: -var(--spacing-md);
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
  border-radius: 2px;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--font-size-base);
  font-weight: 600;
  border-radius: var(--border-radius);
  transition: var(--transition-normal);
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: var(--transition-slow);
}

.btn:hover::before {
  left: 100%;
}

.btn--primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: var(--color-background);
  box-shadow: var(--shadow-gold);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(212, 175, 55, 0.4);
}

.btn--full {
  width: 100%;
}

/* ===== HEADER ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  transition: var(--transition-normal);
}

.header.scrolled {
  background: rgba(0, 0, 0, 0.98);
  box-shadow: var(--shadow-lg);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.nav__logo-img {
  height: 70px;
  width: auto;
  transition: var(--transition-fast);
}

.nav__logo-img:hover {
  transform: scale(1.05);
}

.nav__list {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
}

.nav__link {
  font-weight: 500;
  color: var(--color-text);
  position: relative;
  transition: var(--transition-fast);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: var(--transition-fast);
}

.nav__link:hover {
  color: var(--color-primary);
}

.nav__link:hover::after {
  width: 100%;
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.nav__cta {
  padding: var(--spacing-sm) var(--spacing-lg);
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: var(--color-background);
  border-radius: var(--border-radius);
  font-weight: 600;
  font-size: var(--font-size-sm);
  transition: var(--transition-normal);
}

.nav__cta:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-gold);
}

.nav__toggle,
.nav__close {
  display: none;
  font-size: var(--font-size-xl);
  color: var(--color-text);
  cursor: pointer;
}

/* ===== HERO SECTION ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  background: linear-gradient(135deg, var(--color-background) 0%, var(--color-surface) 100%);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 20% 80%, rgba(212, 175, 55, 0.1) 0%, transparent 50%),
              radial-gradient(circle at 80% 20%, rgba(192, 192, 192, 0.05) 0%, transparent 50%);
  pointer-events: none;
}

.hero__container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-4xl);
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero__title {
  font-size: var(--font-size-6xl);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: var(--spacing-lg);
  color: var(--color-text);
}

.hero__title-highlight {
  color: var(--color-primary);
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: var(--font-size-xl);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-2xl);
  line-height: 1.6;
}

.hero__visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero__logo-container {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(212, 175, 55, 0.1) 0%, transparent 70%);
  border-radius: 50%;
  animation: float 6s ease-in-out infinite;
}

.hero__logo {
  max-width: 300px;
  height: auto;
  filter: drop-shadow(0 10px 30px rgba(212, 175, 55, 0.3));
  transition: var(--transition-normal);
}

.hero__logo:hover {
  transform: scale(1.05);
  filter: drop-shadow(0 15px 40px rgba(212, 175, 55, 0.5));
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-20px); }
}

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

.about__container {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--spacing-4xl);
  align-items: center;
}

.about__text {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xl);
  line-height: 1.8;
}

.about__highlight {
  background: var(--color-surface-light);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  border-left: 4px solid var(--color-primary);
  position: relative;
}

.about__quote-icon {
  font-size: var(--font-size-2xl);
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.about__mission {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-primary);
  font-style: italic;
}

.about__stats {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.stat {
  text-align: center;
  padding: var(--spacing-xl);
  background: var(--color-surface-light);
  border-radius: var(--border-radius-lg);
  transition: var(--transition-normal);
}

.stat:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-gold);
}

.stat__number {
  display: block;
  font-size: var(--font-size-4xl);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.stat__label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ===== SERVICES SECTION ===== */
.services__categories {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4xl);
}

.services__category-title {
  font-size: var(--font-size-3xl);
  font-weight: 600;
  color: var(--color-primary);
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-xl);
  max-width: 800px;
  margin: 0 auto;
}

.service__card {
  background: var(--color-surface);
  padding: var(--spacing-2xl);
  border-radius: var(--border-radius-lg);
  text-align: center;
  transition: var(--transition-normal);
  border: 1px solid transparent;
  position: relative;
  overflow: hidden;
}

.service__card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.05), transparent);
  opacity: 0;
  transition: var(--transition-normal);
}

.service__card:hover {
  transform: translateY(-10px);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-gold);
}

.service__card:hover::before {
  opacity: 1;
}

.service__icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-lg);
  font-size: var(--font-size-2xl);
  color: var(--color-background);
  position: relative;
  z-index: 1;
}

.service__title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
}

.service__description {
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* ===== RESULTS SECTION ===== */
.results {
  background: var(--color-surface);
}

.results__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-3xl);
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.result__card {
  background: var(--color-surface-light);
  padding: var(--spacing-2xl);
  border-radius: var(--border-radius-lg);
  text-align: center;
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.result__card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  opacity: 0;
  transition: var(--transition-normal);
}

.result__card:hover::before {
  opacity: 0.1;
}

.result__card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-gold);
}

.result__number {
  display: block;
  font-size: var(--font-size-5xl);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
  position: relative;
  z-index: 1;
}

.result__label {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
  position: relative;
  z-index: 1;
}

.results__action {
  text-align: center;
}

/* ===== CONTACT SECTION ===== */
.contact__container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-4xl);
  align-items: start;
}

.contact__subtitle {
  font-size: var(--font-size-xl);
  color: var(--color-text-secondary);
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.contact__methods {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-2xl);
}

.contact__method {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  padding: var(--spacing-xl);
  background: var(--color-surface);
  border-radius: var(--border-radius-lg);
  transition: var(--transition-normal);
  border: 1px solid transparent;
}

.contact__method:hover {
  border-color: var(--color-primary);
  transform: translateX(10px);
  box-shadow: var(--shadow-gold);
}

.contact__method-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xl);
  color: var(--color-background);
  flex-shrink: 0;
}

.contact__method-content h4 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--spacing-xs);
}

.contact__method-content p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.contact__form-container {
  background: var(--color-surface);
  padding: var(--spacing-2xl);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--color-surface-light);
}

.form__group {
  margin-bottom: var(--spacing-lg);
}

.form__input,
.form__textarea {
  width: 100%;
  padding: var(--spacing-md);
  background: var(--color-surface-light);
  border: 1px solid var(--color-surface-light);
  border-radius: var(--border-radius);
  color: var(--color-text);
  font-family: inherit;
  font-size: var(--font-size-base);
  transition: var(--transition-fast);
}

.form__input:focus,
.form__textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1);
}

.form__input::placeholder,
.form__textarea::placeholder {
  color: var(--color-text-muted);
}

.form__textarea {
  resize: vertical;
  min-height: 120px;
}

/* ===== FOOTER ===== */
.footer {
  background: var(--color-surface-light);
  padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer__content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-lg);
}

.footer__logo-img {
  height: 40px;
  width: auto;
}

.footer__social {
  display: flex;
  gap: var(--spacing-lg);
}

.footer__social-link {
  width: 50px;
  height: 50px;
  background: var(--color-surface);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  transition: var(--transition-normal);
}

.footer__social-link:hover {
  background: var(--color-primary);
  color: var(--color-background);
  transform: translateY(-3px);
}

.footer__bottom {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-surface);
}

.footer__copy {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

/* ===== RESPONSIVE DESIGN ===== */
@media screen and (max-width: 1024px) {
  .hero__container {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .hero__title {
    font-size: var(--font-size-5xl);
  }
  
  .hero__logo-container {
    width: 300px;
    height: 300px;
  }
  
  .hero__logo {
    max-width: 220px;
  }
  
  .about__container {
    grid-template-columns: 1fr;
  }
  
  .contact__container {
    grid-template-columns: 1fr;
  }
  
  .services__grid {
    grid-template-columns: repeat(2, 1fr);
    max-width: 600px;
  }
  
  .results__grid {
    grid-template-columns: repeat(2, 1fr);
    max-width: 600px;
  }
}

@media screen and (max-width: 768px) {
  .nav__menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    background: rgba(0, 0, 0, 0.98);
    backdrop-filter: blur(10px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: var(--transition-normal);
  }
  
  .nav__menu.show-menu {
    right: 0;
  }
  
  .nav__list {
    flex-direction: column;
    gap: var(--spacing-2xl);
  }
  
  .nav__link {
    font-size: var(--font-size-xl);
  }
  
  .nav__close {
    display: block;
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
  }
  
  .nav__toggle {
    display: block;
  }
  
  .nav__cta {
    display: none;
  }
  
  .hero__title {
    font-size: var(--font-size-4xl);
  }
  
  .hero__subtitle {
    font-size: var(--font-size-lg);
  }
  
  .hero__logo-container {
    width: 250px;
    height: 250px;
  }
  
  .hero__logo {
    max-width: 180px;
  }
  
  .section {
    padding: var(--spacing-3xl) 0;
  }
  
  .section__title {
    font-size: var(--font-size-3xl);
  }
  
  .services__grid {
    grid-template-columns: 1fr;
    max-width: 400px;
  }
  
  .results__grid {
    grid-template-columns: repeat(2, 1fr);
    max-width: 400px;
  }
  
  .about__stats {
    flex-direction: row;
    justify-content: space-between;
  }
  
  .stat {
    flex: 1;
    padding: var(--spacing-lg);
  }
  
  .stat__number {
    font-size: var(--font-size-2xl);
  }
  
  .footer__content {
    flex-direction: column;
    gap: var(--spacing-lg);
  }
}

@media screen and (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-sm);
  }
  
  .hero__title {
    font-size: var(--font-size-3xl);
  }
  
  .hero__logo-container {
    width: 200px;
    height: 200px;
  }
  
  .hero__logo {
    max-width: 150px;
  }
  
  .results__grid {
    grid-template-columns: 1fr;
    max-width: 300px;
  }
  
  .about__stats {
    flex-direction: column;
  }
  
  .contact__method {
    flex-direction: column;
    text-align: center;
  }
  
  .contact__method:hover {
    transform: translateY(-5px);
  }
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Scroll animations */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: var(--transition-slow);
}

.animate-on-scroll.animated {
  opacity: 1;
  transform: translateY(0);
}

/* Loading animation */
.loading {
  opacity: 0;
  animation: fadeInUp 0.6s ease forwards;
}

/* Stagger animation delays */
.service__card:nth-child(1) { animation-delay: 0.1s; }
.service__card:nth-child(2) { animation-delay: 0.2s; }
.service__card:nth-child(3) { animation-delay: 0.3s; }
.service__card:nth-child(4) { animation-delay: 0.4s; }

.result__card:nth-child(1) { animation-delay: 0.1s; }
.result__card:nth-child(2) { animation-delay: 0.2s; }
.result__card:nth-child(3) { animation-delay: 0.3s; }
.result__card:nth-child(4) { animation-delay: 0.4s; }
.result__card:nth-child(5) { animation-delay: 0.5s; }
.result__card:nth-child(6) { animation-delay: 0.6s; }