/* ============================================
   SÁVIO CORRÊA - Portfólio Pessoal
   CSS Moderno | Clean & Assertivo
   ============================================ */

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

:root {
  --color-bg: #111118;
  --color-bg-alt: #161625;
  --color-surface: #1f1f35;
  --color-accent: #6c63ff;
  --color-accent-light: #8b83ff;
  --color-accent-glow: rgba(108, 99, 255, 0.12);
  --color-text: #ffffff;
  --color-text-muted: #d0d0e0;
  --color-border: rgba(255, 255, 255, 0.1);
  --color-gradient: linear-gradient(135deg, #6c63ff 0%, #a855f7 100%);
  --font-heading: 'Inter', system-ui, -apple-system, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

p {
  color: #d8d8ec;
}

h2, h3, h4 {
  color: #ffffff;
}

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

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

ul {
  list-style: none;
}

/* ===== UTILITIES ===== */
.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}

.section-title span {
  background: var(--color-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-title {
  color: var(--color-text);
}

.section-subtitle {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  max-width: 560px;
  margin-bottom: 50px;
}

.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== NAVIGATION ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 20px 0;
  transition: all var(--transition);
  backdrop-filter: blur(0px);
}

.navbar.scrolled {
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(20px);
  padding: 14px 0;
  border-bottom: 1px solid var(--color-border);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: var(--color-text);
}

.nav-logo em {
  font-style: normal;
  color: var(--color-accent);
}

.nav-links {
  display: flex;
  gap: 36px;
  align-items: center;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-muted);
  position: relative;
  padding: 4px 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-gradient);
  border-radius: 2px;
  transition: width var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-text);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-cta {
  background: var(--color-gradient);
  color: #fff !important;
  padding: 10px 24px !important;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.85rem !important;
  transition: transform var(--transition), box-shadow var(--transition);
}

.nav-cta::after {
  display: none !important;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(108, 99, 255, 0.35);
}

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.nav-toggle span {
  width: 26px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  background-color: #0a0a0a; /* cor de base */
}

/* Imagem de fundo — opacity independente */
.hero__bg-image {
  position: absolute;
  inset: 0;
  background: url('https://www.saviocorrea.com.br/images/fundo.png') center/cover no-repeat;
  opacity: 0.1; /* 👈 controle total de transparência da imagem */
  z-index: 0;
}

/* Glow decorativo (substitui o ::before original) */
.hero__bg-glow {
  position: absolute;
  top: -50%;
  right: -20%;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, var(--color-accent-glow) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  z-index: 1;
}

/* Se tiver um ::after existente, substitua por uma div também */
/* Exemplo: */
.hero__bg-extra {
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--color-secondary-glow) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  z-index: 1;
}

/* Conteúdo do hero — sempre acima das camadas de fundo */
.hero__content {
  position: relative;
  z-index: 10;
  text-align: center;
  max-width: 800px;
  padding: 0 2rem;
}

.hero__content h1 {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: #fff;
}

.hero__content p {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.7);
}
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-accent-glow);
  border: 1px solid rgba(108, 99, 255, 0.2);
  padding: 8px 18px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-accent-light);
  margin-bottom: 28px;
}

.hero-badge .dot {
  width: 8px;
  height: 8px;
  background: #22c55e;
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -1.5px;
  margin-bottom: 20px;
}

.hero h1 .highlight {
  background: var(--color-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  max-width: 520px;
  margin-bottom: 40px;
  line-height: 1.8;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
}

.btn-primary {
  background: var(--color-gradient);
  color: #fff;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(108, 99, 255, 0.35);
}

.btn-outline {
  background: transparent;
  color: var(--color-text);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.btn-outline:hover {
  border-color: var(--color-accent);
  background: var(--color-accent-glow);
  transform: translateY(-3px);
}

/* ===== ABOUT ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 60px;
  align-items: center;
}

.about-image {
  position: relative;
}

.about-image-wrapper {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/5;
  background: var(--color-surface);
}

.about-image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-image-wrapper::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(108, 99, 255, 0.1) 100%);
  z-index: 1;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 24px;
}

.stat-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
  transition: all var(--transition);
}

.stat-card:hover {
  border-color: rgba(108, 99, 255, 0.3);
  transform: translateY(-4px);
}

.stat-card .number {
  font-size: 1.8rem;
  font-weight: 800;
  background: var(--color-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-card .label {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.about-text p {
  color: var(--color-text-muted);
  margin-bottom: 20px;
  font-size: 1.02rem;
}

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

/* ===== SKILLS ===== */
.skills-section {
  background: var(--color-bg-alt);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

.skill-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.skill-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-gradient);
  opacity: 0;
  transition: opacity var(--transition);
}

.skill-card:hover {
  border-color: rgba(108, 99, 255, 0.2);
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.skill-card:hover::before {
  opacity: 1;
}

.skill-icon {
  width: 48px;
  height: 48px;
  background: var(--color-accent-glow);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.3rem;
}

.skill-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--color-text);
}

.skill-card p {
  color: var(--color-text-muted);
  font-size: 0.92rem;
  line-height: 1.7;
}

/* ===== EXPERIENCE ===== */
.timeline {
  position: relative;
  padding-left: 40px;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  left: 14px;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--color-accent) 0%, transparent 100%);
}

.timeline-item {
  position: relative;
  margin-bottom: 48px;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -32px;
  top: 8px;
  width: 12px;
  height: 12px;
  background: var(--color-accent);
  border-radius: 50%;
  border: 3px solid var(--color-bg);
  box-shadow: 0 0 0 4px var(--color-accent-glow);
}

.timeline-item.current::before {
  animation: pulse-ring 2s ease-in-out infinite;
}

@keyframes pulse-ring {
  0%, 100% { box-shadow: 0 0 0 4px var(--color-accent-glow); }
  50% { box-shadow: 0 0 0 8px rgba(108, 99, 255, 0.05); }
}

.timeline-date {
  font-size: 0.82rem;
  color: var(--color-accent-light);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 6px;
}

.timeline-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--color-text);
}

.timeline-company {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  margin-bottom: 12px;
}

.timeline-company em {
  font-style: normal;
  color: var(--color-accent-light);
  font-weight: 500;
}

.timeline-desc {
  color: var(--color-text-muted);
  font-size: 0.93rem;
  line-height: 1.7;
}

/* ===== EDUCATION ===== */
.education-section {
  background: var(--color-bg-alt);
}

.education-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}

.edu-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px;
  transition: all var(--transition);
}

.edu-card:hover {
  border-color: rgba(108, 99, 255, 0.2);
  transform: translateY(-4px);
}

.edu-card .year {
  font-size: 0.8rem;
  color: var(--color-accent-light);
  font-weight: 600;
  margin-bottom: 8px;
}

.edu-card h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--color-text);
}

.edu-card p {
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

/* ===== COURSES ===== */
.courses-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.course-tag {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 50px;
  padding: 10px 20px;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  transition: all var(--transition);
}

.course-tag:hover {
  border-color: rgba(108, 99, 255, 0.3);
  color: var(--color-text);
  background: var(--color-accent-glow);
}

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

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

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 24px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  transition: all var(--transition);
}

.contact-item:hover {
  border-color: rgba(108, 99, 255, 0.3);
  transform: translateX(6px);
}

.contact-item .icon {
  width: 44px;
  height: 44px;
  background: var(--color-accent-glow);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.1rem;
}

.contact-item .details {
  display: flex;
  flex-direction: column;
}

.contact-item .details .label {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.contact-item .details .value {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

.form-group input,
.form-group textarea {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 14px 18px;
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 4px var(--color-accent-glow);
}

.form-group textarea {
  resize: vertical;
  min-height: 130px;
}

/* ===== FOOTER ===== */
.footer {
  padding: 40px 0;
  border-top: 1px solid var(--color-border);
  text-align: center;
}

.footer p {
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

.footer a {
  color: var(--color-accent-light);
}

/* ===== SCROLL TO TOP ===== */
.scroll-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 46px;
  height: 46px;
  background: var(--color-gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition);
  border: none;
  color: #fff;
  font-size: 1.2rem;
  box-shadow: 0 4px 20px rgba(108, 99, 255, 0.3);
  z-index: 999;
}

.scroll-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(108, 99, 255, 0.5);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 992px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

@media (max-width: 768px) {
  .section {
    padding: 70px 0;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--color-bg-alt);
    flex-direction: column;
    padding: 100px 40px 40px;
    gap: 24px;
    border-left: 1px solid var(--color-border);
    transition: right var(--transition);
  }

  .nav-links.open {
    right: 0;
  }

  .nav-toggle {
    display: flex;
    z-index: 1001;
  }

  .nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .nav-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .about-stats {
    grid-template-columns: repeat(3, 1fr);
  }

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

  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .timeline {
    padding-left: 32px;
  }
}

@media (max-width: 480px) {
  .about-stats {
    grid-template-columns: 1fr;
  }

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