/* ============================================
   ARVIDEV — Stylesheet
   Baseado no design original Elementor/WordPress
   ============================================ */

/* ── Google Fonts ── */
@import url('https://fonts.googleapis.com/css2?family=Sora:wght@300;400;500;600;700&family=Roboto:wght@300;400;500;600&display=swap');

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background-color: #09090B;
  color: #FAFAFA;
  font-family: 'Roboto', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ── CSS Variables ── */
:root {
  --color-bg:          #09090B;
  --color-bg-card:     #111114;
  --color-bg-contact:  #1A1A1A;
  --color-heading:     #FAFAFA;
  --color-subtext:     #A3A3B5;
  --color-subtext-alt: #B7B7B7;
  --color-accent:      #F7780F;
  --color-gray-light:  #9E9E9E;
  --color-tag-bg:      rgba(247, 120, 15, 0.12);
  --color-tag-border:  rgba(247, 120, 15, 0.4);
  --color-card-border: rgba(255, 255, 255, 0.06);
  --font-primary:      'Sora', sans-serif;
  --font-body:         'Roboto', sans-serif;
  --max-width:         1216px;
  --section-padding:   96px 24px;
}

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

/* ── Typography ── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-primary);
  color: var(--color-heading);
  line-height: 1.3;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }

/* ── Accent spans ── */
span.arvidev   { color: var(--color-accent); }
span.tag       {
  display: inline-block;
  font-family: var(--font-primary);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  background: var(--color-tag-bg);
  border: 1px solid var(--color-tag-border);
  border-radius: 100px;
  padding: 4px 14px;
  margin-bottom: 16px;
}
span.h1borderia { color: #DFDFDF; }

/* ============================================
   HEADER / NAVBAR
   ============================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 32px;
  transition: background 0.3s ease, backdrop-filter 0.3s ease;
}
.site-header.scrolled {
  background: rgba(9, 9, 11, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo img { height: 36px; width: auto; }

.nav-menu {
  display: flex;
  align-items: center;
  gap: 24px;
  list-style: none;
}
.nav-menu a {
  font-family: var(--font-primary);
  font-size: 18px;
  font-weight: 500;
  color: #FAFAFA;
  transition: color 0.2s ease;
  position: relative;
}
.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width 0.25s ease;
}
.nav-menu a:hover       { color: var(--color-accent); }
.nav-menu a:hover::after { width: 100%; }

/* Mobile hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: #FAFAFA;
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================
   HERO
   ============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background-image: url('../images/Background.png');
  background-size: cover;
  background-position: center top;
  background-repeat: no-repeat;
  padding: 120px 32px 80px;
  position: relative;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(9,9,11,0.75) 40%, rgba(9,9,11,0.3) 100%);
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: var(--max-width);
  margin: 0 auto;
  width: 100%;
  display: flex;
  align-items: center;
  gap: 64px;
}

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

.hero-title {
  font-size: 56px;
  font-weight: 400;
  line-height: 1.3;
  color: #FAFAFA;
  margin-bottom: 24px;
}
.hero-title br { display: block; }

.hero-subtitle {
  font-size: 18px;
  font-weight: 400;
  color: #B7B7B7;
  line-height: 1.6;
  margin-bottom: 40px;
  font-family: var(--font-primary);
}

.hero-image {
  flex: 0 0 460px;
  max-width: 460px;
  animation: float 4s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-16px); }
}

/* CTA Button */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-primary);
  font-size: 16px;
  font-weight: 600;
  padding: 14px 32px;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.25s ease;
  border: none;
}
.btn-primary {
  background: var(--color-accent);
  color: #fff;
}
.btn-primary:hover {
  background: #e06a0d;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(247,120,15,0.35);
}

/* ============================================
   SECTION COMMONS
   ============================================ */
section { padding: var(--section-padding); }

.section-tag {
  display: block;
  margin-bottom: 16px;
}

.section-title {
  font-size: 40px;
  font-weight: 600;
  color: #FAFAFA;
  line-height: 1.3;
  margin-bottom: 56px;
}

/* ============================================
   ESPECIALIDADES (RECURSOS)
   ============================================ */
.especialidades { background: var(--color-bg); }

.specialties-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.specialty-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-card-border);
  border-radius: 16px;
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: border-color 0.25s ease, transform 0.25s ease;
}
.specialty-card:hover {
  border-color: rgba(247, 120, 15, 0.3);
  transform: translateY(-4px);
}

.specialty-card .card-icon {
  width: 56px;
  height: 56px;
  object-fit: contain;
}

.specialty-card .card-title {
  font-size: 28px;
  font-weight: 400;
  color: #FAFAFA;
  font-family: var(--font-primary);
}

.specialty-card .card-desc {
  font-size: 16px;
  color: #A3A3B5;
  line-height: 1.6;
  font-family: var(--font-primary);
  flex: 1;
}

.specialty-card .card-stars {
  width: 80px;
  height: auto;
  margin-top: 8px;
}

/* ============================================
   PROJETOS / TRABALHOS  (CAROUSEL)
   ============================================ */
.trabalhos { background: var(--color-bg); border-top: 1px solid rgba(255,255,255,0.05); }

.carousel-wrapper {
  position: relative;
  overflow: hidden;
}

.carousel-track {
  display: flex;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.carousel-slide {
  flex: 0 0 100%;
  min-width: 0;
}

.project-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  min-height: 400px;
}

.project-logo {
  display: flex;
  justify-content: center;
  align-items: center;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 20px;
  padding: 48px;
  min-height: 280px;
}
.project-logo img {
  max-width: 200px;
  max-height: 120px;
  object-fit: contain;
  margin: 0 auto;
}

.project-info {}
.project-name {
  font-size: 24px;
  font-weight: 600;
  color: #FAFAFA;
  margin-bottom: 12px;
  font-family: var(--font-primary);
}
.project-details {
  font-size: 16px;
  color: #A5A5A5;
  line-height: 1.8;
  font-family: var(--font-primary);
}
.project-details .h1borderia { color: #DFDFDF; font-weight: 500; }

/* Carousel controls */
.carousel-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 48px;
}

.carousel-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.15);
  background: rgba(255,255,255,0.05);
  color: #FAFAFA;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  font-size: 18px;
}
.carousel-btn:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.carousel-dots {
  display: flex;
  gap: 8px;
  align-items: center;
}
.carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.2);
  cursor: pointer;
  transition: all 0.2s ease;
  border: none;
}
.carousel-dot.active {
  background: var(--color-accent);
  width: 24px;
  border-radius: 4px;
}

.carousel-counter {
  font-family: var(--font-primary);
  font-size: 14px;
  color: var(--color-gray-light);
  min-width: 48px;
  text-align: center;
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
  background: var(--color-bg);
  border-top: 1px solid rgba(255,255,255,0.05);
  text-align: center;
  padding: 96px 24px;
}
.cta-section .section-title {
  font-size: 32px;
  font-weight: 600;
  max-width: 720px;
  margin: 0 auto 48px;
}

/* ============================================
   CONTATO
   ============================================ */
.contato-section {
  background: var(--color-bg);
  padding: 0 24px 96px;
}

.contato-box {
  max-width: var(--max-width);
  margin: 0 auto;
  background: var(--color-bg-contact);
  border-radius: 24px;
  padding: 64px;
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 64px;
  align-items: start;
}

.contato-info {}
.contato-title {
  font-size: 32px;
  font-weight: 600;
  color: #FAFAFA;
  margin-bottom: 32px;
  font-family: var(--font-primary);
}

.contato-items {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.contato-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-primary);
  font-size: 14px;
  color: #9B9B9B;
}
.contato-item .icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: rgba(247,120,15,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.contato-item .icon svg { fill: var(--color-accent); }

/* Form */
.contato-form {}
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-family: var(--font-primary);
  font-size: 13px;
  font-weight: 500;
  color: #9B9B9B;
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.form-group input,
.form-group textarea {
  width: 100%;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 8px;
  padding: 14px 16px;
  color: #FAFAFA;
  font-family: var(--font-body);
  font-size: 15px;
  transition: border-color 0.2s ease;
  outline: none;
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-accent);
  background: rgba(247,120,15,0.04);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(255,255,255,0.25); }
.form-group textarea { resize: vertical; min-height: 120px; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.form-status {
  margin-top: 12px;
  font-family: var(--font-primary);
  font-size: 14px;
  display: none;
}
.form-status.success { color: #61CE70; display: block; }
.form-status.error   { color: #e05555; display: block; }

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  background: var(--color-bg);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 40px 32px;
}
.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.footer-logo img { height: 32px; width: auto; }
.footer-copy {
  font-size: 12px;
  color: #9E9E9E;
  font-family: var(--font-primary);
  text-align: center;
}
.footer-dev {
  font-size: 12px;
  color: #9E9E9E;
  font-family: var(--font-primary);
}

/* ============================================
   ANIMATIONS
   ============================================ */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }
.fade-in-delay-4 { transition-delay: 0.4s; }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .specialties-grid { grid-template-columns: repeat(2, 1fr); }
  .project-card { gap: 40px; }
  .hero-image { flex: 0 0 360px; max-width: 360px; }
}

@media (max-width: 768px) {
  :root { --section-padding: 64px 20px; }

  /* Nav mobile */
  .nav-toggle { display: flex; }
  .nav-menu {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0;
    background: rgba(9,9,11,0.98);
    backdrop-filter: blur(16px);
    flex-direction: column;
    padding: 80px 32px 40px;
    gap: 32px;
    z-index: 999;
  }
  .nav-menu.open { display: flex; }
  .nav-menu a { font-size: 22px; }
  .nav-toggle { position: relative; z-index: 1001; }

  /* Hero */
  .hero { padding: 100px 20px 60px; min-height: auto; }
  .hero-inner { flex-direction: column; gap: 40px; }
  .hero-title { font-size: 36px; }
  .hero-subtitle { font-size: 16px; }
  .hero-image { flex: none; max-width: 100%; }
  .hero-content { max-width: 100%; }

  /* Sections */
  .section-title { font-size: 28px; }

  /* Cards */
  .specialties-grid { grid-template-columns: 1fr; }

  /* Project */
  .project-card { grid-template-columns: 1fr; gap: 32px; min-height: auto; }
  .project-logo { min-height: 200px; }

  /* Contact */
  .contato-box { grid-template-columns: 1fr; padding: 40px 24px; gap: 40px; }
  .cta-section .section-title { font-size: 24px; }
  .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 30px; }
  .specialty-card .card-title { font-size: 22px; }
  .contato-title { font-size: 26px; }
}