/* ==========================================================================
   SAVA - Portfolio Personal & Backend Developer
   Estilos Globales y Diseño 100% Responsivo
   ========================================================================== */

/* 1. Variables de Diseño */
:root {
  --bg-dark: #0d0c15;
  --bg-card: rgba(31, 28, 44, 0.85);
  --bg-card-hover: rgba(43, 38, 62, 0.95);
  --border-color: rgba(139, 92, 246, 0.2);
  --border-hover: rgba(168, 85, 247, 0.5);

  --accent-purple: #8b5cf6;
  --accent-purple-light: #a855f7;
  --accent-purple-glow: rgba(139, 92, 246, 0.35);
  --accent-twitch: #9146ff;
  --accent-twitch-hover: #772ce8;

  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  /* Badges backend */
  --badge-csharp-bg: rgba(81, 43, 212, 0.25);
  --badge-csharp-text: #a78bfa;
  --badge-csharp-border: rgba(167, 139, 250, 0.4);

  --badge-dotnet-bg: rgba(92, 45, 145, 0.3);
  --badge-dotnet-text: #c084fc;
  --badge-dotnet-border: rgba(192, 132, 252, 0.4);

  --badge-sql-bg: rgba(225, 29, 72, 0.18);
  --badge-sql-text: #fda4af;
  --badge-sql-border: rgba(253, 164, 175, 0.35);

  --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', Consolas, monospace;

  --transition-smooth: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 2. Reset y Estilos Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  background-color: var(--bg-dark);
  background-image: 
    linear-gradient(to bottom, rgba(13, 12, 21, 0.88), rgba(13, 12, 21, 0.95)),
    url("../images/ondas_moradas.jpg");
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center center;
  background-attachment: fixed;
  color: var(--text-main);
  font-family: var(--font-sans);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

/* 3. Contenedores */
.container {
  width: 92%;
  max-width: 1050px;
  margin: 0 auto;
  padding: 0 0.5rem;
}

.section-title {
  font-size: clamp(1.6rem, 5vw, 2.2rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 0.4rem;
  color: var(--text-main);
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 45px;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-purple), transparent);
  margin: 0.5rem auto 0;
  border-radius: 2px;
}

.section-subtitle {
  text-align: center;
  color: var(--text-muted);
  font-size: clamp(0.9rem, 3vw, 1rem);
  margin-bottom: 2.2rem;
  padding: 0 0.5rem;
}

/* 4. Barra de Navegación */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(13, 12, 21, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  padding: 0.75rem 0;
  transition: var(--transition-smooth);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: 1px;
}

.nav-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--accent-purple);
  box-shadow: 0 0 10px var(--accent-purple-glow);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 0.9rem;
  align-items: center;
  flex-wrap: wrap;
}

.nav-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition-smooth);
  padding: 0.3rem 0.5rem;
  border-radius: 6px;
}

.nav-links a:hover {
  color: var(--text-main);
  background: rgba(139, 92, 246, 0.1);
}

.nav-btn-melmans {
  border: 1px solid var(--accent-purple-light);
  color: var(--accent-purple-light) !important;
  padding: 0.3rem 0.75rem !important;
  border-radius: 20px !important;
  font-weight: 600;
  white-space: nowrap;
}

.nav-btn-melmans:hover {
  background: var(--accent-purple) !important;
  color: white !important;
}

/* 5. Hero Section */
.hero {
  padding: 3.5rem 0 2.5rem;
  text-align: center;
}

.hero-avatar-wrapper {
  position: relative;
  width: 130px;
  height: 130px;
  margin: 0 auto 1.3rem;
}

.hero-avatar {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--accent-purple);
  box-shadow: 0 0 25px var(--accent-purple-glow);
  transition: var(--transition-smooth);
}

.hero-avatar:hover {
  transform: scale(1.03);
  box-shadow: 0 0 35px rgba(168, 85, 247, 0.6);
}

.hero-title {
  font-size: clamp(2.4rem, 8vw, 3.8rem);
  font-weight: 900;
  margin-bottom: 0.3rem;
  background: linear-gradient(135deg, #ffffff 40%, var(--accent-purple-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: 1px;
}

.hero-role {
  font-size: clamp(1.05rem, 3.5vw, 1.25rem);
  color: var(--accent-purple-light);
  font-weight: 600;
  margin-bottom: 0.9rem;
}

.hero-tagline {
  max-width: 580px;
  margin: 0 auto 1.8rem;
  color: var(--text-muted);
  font-size: clamp(0.95rem, 2.5vw, 1.05rem);
  padding: 0 0.5rem;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.7rem 1.3rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.92rem;
  cursor: pointer;
  transition: var(--transition-smooth);
  border: 1px solid transparent;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-purple), #6d28d9);
  color: white;
  box-shadow: 0 4px 15px var(--accent-purple-glow);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--accent-purple-light), var(--accent-purple));
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(139, 92, 246, 0.5);
}

.btn-secondary {
  background: rgba(31, 28, 44, 0.9);
  color: var(--text-main);
  border-color: var(--border-color);
}

.btn-secondary:hover {
  background: rgba(43, 38, 62, 1);
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

/* 6. Sección Sobre Mí */
.about-section {
  padding: 2.5rem 0;
}

.about-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: clamp(1.3rem, 4vw, 2.2rem);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(8px);
}

.about-text {
  color: var(--text-muted);
  font-size: clamp(0.95rem, 2.5vw, 1.05rem);
  margin-bottom: 1.1rem;
}

.about-text:last-child {
  margin-bottom: 0;
}

.about-highlight {
  color: var(--text-main);
  font-weight: 600;
}

/* 7. Stack Tecnológico & Badges */
.skills-section {
  padding: 2.5rem 0;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 1.25rem;
}

.skill-category {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 1.4rem;
  transition: var(--transition-smooth);
}

.skill-category:hover {
  border-color: var(--border-hover);
  transform: translateY(-3px);
}

.skill-category h3 {
  font-size: 1.05rem;
  margin-bottom: 0.9rem;
  color: var(--accent-purple-light);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.badge-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.75rem;
  border-radius: 6px;
  font-size: 0.82rem;
  font-weight: 600;
  font-family: var(--font-mono);
  transition: var(--transition-smooth);
}

.badge-csharp {
  background: var(--badge-csharp-bg);
  color: var(--badge-csharp-text);
  border: 1px solid var(--badge-csharp-border);
}

.badge-dotnet {
  background: var(--badge-dotnet-bg);
  color: var(--badge-dotnet-text);
  border: 1px solid var(--badge-dotnet-border);
}

.badge-sql {
  background: var(--badge-sql-bg);
  color: var(--badge-sql-text);
  border: 1px solid var(--badge-sql-border);
}

.badge-default {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-muted);
  border: 1px solid rgba(255, 255, 255, 0.09);
}

.badge:hover {
  transform: scale(1.04);
}

/* 8. Sección de Proyectos */
.projects-section {
  padding: 2.5rem 0;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 1.5rem;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: clamp(1.2rem, 3vw, 1.8rem);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.25);
  transition: var(--transition-smooth);
}

.project-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-hover);
  box-shadow: 0 15px 35px rgba(139, 92, 246, 0.2);
}

.project-header {
  margin-bottom: 0.9rem;
}

.project-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.4rem;
}

.project-desc {
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.5;
  margin-bottom: 1.1rem;
}

.project-techs {
  margin-bottom: 1.3rem;
}

.project-links {
  display: flex;
  gap: 0.75rem;
  margin-top: auto;
}

.project-link-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.85rem;
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  transition: var(--transition-smooth);
}

.project-link-btn:hover {
  background: var(--accent-purple);
  border-color: var(--accent-purple);
}

/* 9. Contacto & Twitch */
.contact-section {
  padding: 2.5rem 0 3.5rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 1.5rem;
}

.contact-info-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: clamp(1.3rem, 3.5vw, 2rem);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.contact-links-list {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  margin-top: 1.1rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  color: var(--text-muted);
  font-size: 0.92rem;
  transition: var(--transition-smooth);
}

.contact-item:hover {
  background: rgba(139, 92, 246, 0.15);
  border-color: var(--accent-purple);
  color: var(--text-main);
  transform: translateX(4px);
}

.twitch-card {
  background: linear-gradient(145deg, rgba(31, 28, 44, 0.95), rgba(45, 20, 75, 0.95));
  border: 1px solid rgba(145, 70, 255, 0.4);
  border-radius: 16px;
  padding: clamp(1.4rem, 4vw, 2rem);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 30px rgba(145, 70, 255, 0.15);
  transition: var(--transition-smooth);
}

.twitch-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-twitch);
  box-shadow: 0 15px 35px rgba(145, 70, 255, 0.35);
}

.twitch-img {
  width: 90px;
  height: 90px;
  border-radius: 20%;
  object-fit: cover;
  margin-bottom: 0.9rem;
  border: 2px solid var(--accent-twitch);
  box-shadow: 0 0 15px rgba(145, 70, 255, 0.4);
}

.twitch-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.2rem;
  color: #fff;
}

.twitch-handle {
  color: var(--accent-twitch);
  font-family: var(--font-mono);
  font-size: 0.88rem;
  margin-bottom: 0.7rem;
}

.twitch-desc {
  color: var(--text-muted);
  font-size: 0.92rem;
  margin-bottom: 1.3rem;
  max-width: 320px;
}

.btn-twitch {
  background: var(--accent-twitch);
  color: white;
  padding: 0.65rem 1.4rem;
  border-radius: 8px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition-smooth);
}

.btn-twitch:hover {
  background: var(--accent-twitch-hover);
  transform: scale(1.04);
  box-shadow: 0 0 20px rgba(145, 70, 255, 0.6);
}

/* 10. Banner Los Melmans */
.band-banner {
  background: linear-gradient(90deg, rgba(139, 92, 246, 0.15), rgba(31, 28, 44, 0.8));
  border: 1px dashed var(--accent-purple-light);
  border-radius: 12px;
  padding: 1.1rem 1.3rem;
  margin-top: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.9rem;
  flex-wrap: wrap;
}

.band-banner-text {
  font-size: 0.92rem;
  color: var(--text-muted);
}

.band-banner-text strong {
  color: var(--accent-purple-light);
}

/* 11. Footer */
.footer {
  margin-top: auto;
  border-top: 1px solid var(--border-color);
  background: rgba(13, 12, 21, 0.95);
  padding: 1.8rem 0;
  text-align: center;
  color: var(--text-dim);
  font-size: 0.85rem;
}

.footer p {
  margin-bottom: 0.25rem;
}

/* 12. Ajustes para Teléfonos Móviles */
@media (max-width: 600px) {
  .navbar {
    padding: 0.6rem 0;
  }

  .nav-container {
    justify-content: center;
  }

  .nav-links {
    justify-content: center;
    gap: 0.5rem;
    font-size: 0.82rem;
  }

  .hero {
    padding: 2.5rem 0 2rem;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
    max-width: 280px;
    margin: 0 auto;
  }

  .btn {
    width: 100%;
  }

  .band-banner {
    flex-direction: column;
    text-align: center;
  }
}