@import url("colors.css");
@import url("fonts.css");

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

body {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  font-family: --font-sans;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

header.navbar {
  width: 100%;
  background-color: var(--bg-secondary);
  position: sticky;
  top: 0;
  left: 0;
  z-index: 1000;
  border-bottom: 1px solid var(--border);
  transition: background-color var(--transition);
}

.nav-container {
  max-width: var(--container, 1200px);
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 64px;
}

header.navbar .logo,
header.navbar .logo:link,
header.navbar .logo:visited,
header.navbar .logo:hover,
header.navbar .logo:active {
  font-size: 1.75rem;
  font-weight: 700;
  text-decoration: none;
  letter-spacing: -0.5px;
  transition: opacity 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background-color: var(--bg-primary);
}

header.navbar .logo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-links a {
  padding: 0.4rem 0.8rem;
  background-color: transparent !important;
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none !important;
  transition: color 0.2s ease, opacity 0.2s ease, filter 0.2s ease;
}

.nav-links a:hover {
  background-color: transparent !important;
  opacity: 0.7 !important;
}

:root,
html[data-theme="light"] {
  .nav-links a {
    filter: brightness(0);
  }
}

html[data-theme="dark"] {
  .nav-links a {
    filter: brightness(0) invert(1);
  }

  .theme-btn img {
    filter: invert(1);
  }
}

.theme-btn {
  background: transparent;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.4rem;
  border-radius: 50%;
  transition: opacity 0.2s ease;
}

.theme-btn:hover {
  background-color: transparent !important;
  opacity: 0.7;
}

.theme-btn img {
  width: 20px;
  height: 20px;
  display: block;
}

/* ==========================================================
   RESPONSIVE / STATE STYLES
   ========================================================== */

@media (min-width: 769px) {
  .nav-links a {
    font-size: 0.95rem;
    width: auto;
    height: auto;
    background-image: none;
    position: relative;
    padding-bottom: 4px;
    transition: color 0.2s ease;
  }

  .nav-links a::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0%;
    height: 2px;
    background-color: var(--text-primary);
    transition: width 0.3s ease;
  }

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

@media (max-width: 768px) {
  .hero,
  .github,
  .projects,
  .education-content,
  .contact,
  footer {
    width: 92%;
    margin: 1.5rem auto;
  }

  .github,
  .project-card,
  .education-content {
    padding: 1.25rem;
  }

  .projects-grid,
  .education-content {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .info-name {
    font-size: 2rem;
    white-space: normal;
    word-break: break-word;
  }

  .contact-buttons {
    flex-direction: column;
    width: 100%;
  }

  .contact .btn {
    width: 100%;
  }

  .nav-container {
    padding: 0 0.75rem;
    height: 56px;
  }

  .nav-links {
    gap: 0.5rem;
    position: relative;
  }

  .nav-links a {
    font-size: 0;
    line-height: 0;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-size: 18px 18px;
    background-repeat: no-repeat;
    background-position: center;
    border-radius: 50%;
    position: relative;
    transition: background-color 0.2s ease, filter 0.2s ease;
    flex-shrink: 0;
    white-space: nowrap;
    filter: brightness(0);
  }

  .nav-links a::after {
    content: "";
    display: block;
    position: absolute;
    bottom: -6px;
    left: 50%;
    transform: translateX(-50%);
    width: 0%;
    height: 2px;
    background-color: var(--text-primary);
    transition: width 0.3s ease;
  }

  .nav-links a:hover::after,
  .nav-links a.active::after {
    width: 60%;
  }

  .nav-links a:hover {
    background-color: var(--card-bg, #f6f8fa);
    filter: brightness(0) invert(1);
  }

.nav-links a.active {
  background-color: #000000;
  filter: brightness(0) invert(1);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 60%;
}

  .nav-icon-home {
    background-image: url('../../images/icons/user.png');
  }

  .nav-icon-projects {
    background-image: url('../../images/icons/layers.png');
  }

  .nav-icon-certificates {
    background-image: url('../../images/icons/certificate.png');
  }

  .nav-btn {
    display: none;
  }
}