/* style.css - Andria Gagoshashvili Portfolio */

:root {
  --primary: #0a192f;
  --secondary: #233554;
  --accent: #38bdf8;
  --bg: #f4f8fb;
  --bg-dark: #0a192f;
  --text: #111827;
  --text-light: #f8fafc;
  --radius: 18px;
  --transition: 0.3s cubic-bezier(.4,0,.2,1);
}


[data-theme="dark"] {
  --bg: #0a192f;
  --text: #e5e7ef;
  --secondary: #1e293b;
  --text-light: #e5e7ef;
}

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

body {
  font-family: 'Montserrat', 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  transition: background var(--transition), color var(--transition);
  min-height: 100vh;
  scroll-behavior: smooth;
  font-size: 1.08rem;
  letter-spacing: 0.01em;
  line-height: 1.7;
}

section {
  padding: 88px 0 64px 0;
}

.container {
  width: 92%;
  max-width: 1080px;
  margin: 0 auto;
  padding-left: 12px;
  padding-right: 12px;
}


h1, h2, h3 {
  font-family: 'Montserrat', 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.01em;
}
[data-theme="dark"] h1,
[data-theme="dark"] h2,
[data-theme="dark"] h3 {
  color: var(--text-light);
}

h2 {
  margin-bottom: 36px;
  font-size: 2.3rem;
  line-height: 1.2;
}


#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(120deg, var(--accent) 0%, var(--bg) 100%);
  overflow: hidden;
  padding-top: 0;
  padding-bottom: 0;
}
#particles-js {
  position: absolute;
  width: 100%;
  height: 100%;
  z-index: 0;
}
.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 48px 24px 56px 24px;
  border-radius: var(--radius);
  background: rgba(255,255,255,0.85);
  box-shadow: 0 4px 32px 0 rgba(30,41,59,0.08);
  max-width: 540px;
  margin: 0 auto;
  color: var(--text);
}
[data-theme="dark"] .hero-content {
  background: rgba(10,25,47,0.98);
  color: var(--text-light);
}
.hero-title {
  font-size: 2.6rem;
  margin: 18px 0 10px 0;
  color: var(--accent);
  line-height: 1.1;
}
.hero-tagline {
  font-size: 1.18rem;
  color: var(--secondary);
  margin-bottom: 36px;
  font-weight: 500;
}
[data-theme="dark"] .hero-tagline {
  color: var(--text-light);
  text-shadow: 0 1px 4px rgba(10,25,47,0.5);
}
#theme-toggle {
  background: var(--accent);
  border: none;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(56,189,248,0.15);
  transition: background var(--transition);
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
#theme-toggle:after {
  content: '\1F319'; /* moon emoji */
  font-size: 1.5rem;
  color: #fff;
  display: block;
  line-height: 40px;
  text-align: center;
}
@media (max-width: 900px) {
  #theme-toggle {
    width: 48px;
    height: 48px;
    margin: 12px 0 12px 12px;
    align-self: center;
    justify-content: center;
    display: flex;
  }
  #theme-toggle:after {
    font-size: 2rem;
    line-height: 48px;
    color: #222;
    display: block;
    text-align: center;
  }
  [data-theme="dark"] #theme-toggle:after {
    color: #facc15;
  }
}


.section {
  background: var(--bg);
  transition: background var(--transition);
  margin-bottom: 32px;
  border-radius: var(--radius);
  box-shadow: 0 2px 16px 0 rgba(30,41,59,0.06);
  color: var(--text);
}
[data-theme="dark"] .section {
  background: #101c33;
  color: var(--text-light);
}

#about p {
  font-size: 1.13rem;
  color: var(--secondary);
  max-width: 720px;
  margin: 0 auto;
  line-height: 1.8;
  font-family: 'Montserrat', 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
  font-weight: 500;
}
[data-theme="dark"] #about p {
  color: var(--text-light);
}


.skills-list {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  justify-content: center;
  margin-top: 8px;
  margin-bottom: 8px;
}
.skill-bar {
  background: var(--secondary);
  border-radius: var(--radius);
  padding: 12px 22px 12px 18px;
  min-width: 180px;
  max-width: 260px;
  flex: 1 1 180px;
  box-shadow: 0 2px 8px rgba(30,41,59,0.09);
  position: relative;
  overflow: hidden;
  color: var(--text-light);
  margin-bottom: 10px;
  font-family: 'Montserrat', 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
  height: 54px;
  display: flex;
  align-items: center;
}
.skill-bar .label {
  font-weight: 600;
  margin-bottom: 0;
  display: block;
  font-size: 1.08rem;
  flex: 1 1 60%;
}
.skill-bar .bar {
  background: var(--accent);
  height: 14px;
  border-radius: 7px;
  width: 0;
  transition: width 1.2s cubic-bezier(.4,0,.2,1);
  margin-left: 12px;
  margin-right: 12px;
  flex: 1 1 30%;
}
.skill-bar .percent {
  position: static;
  font-weight: 700;
  color: var(--accent);
  font-size: 1.01rem;
  flex: 0 0 48px;
  text-align: right;
}
[data-theme="dark"] .skill-bar {
  background: #16213a;
  color: var(--text-light);
}


.timeline {
  border-left: 3px solid var(--accent);
  margin-left: 18px;
  padding-left: 36px;
  position: relative;
  margin-bottom: 12px;
}
.timeline-item {
  position: relative;
  margin-bottom: 44px;
  padding-left: 18px;
  padding-bottom: 2px;
}
.timeline-item:before {
  content: '';
  position: absolute;
  left: -33px;
  top: 0;
  width: 16px;
  height: 16px;
  background: var(--accent);
  border-radius: 50%;
  border: 3px solid var(--bg);
  box-shadow: 0 2px 8px rgba(56,189,248,0.15);
}
.timeline-item h3 {
  margin-bottom: 4px;
  color: var(--primary);
  font-size: 1.18rem;
}
[data-theme="dark"] .timeline-item h3 {
  color: var(--text-light);
}
.timeline-item .date {
  font-size: 1.01rem;
  color: var(--secondary);
  margin-bottom: 8px;
}
[data-theme="dark"] .timeline-item .date {
  color: #b6cdfa;
}
.timeline-item .desc {
  color: var(--text);
  font-size: 1.07rem;
  margin-bottom: 6px;
  font-family: 'Montserrat', 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
}
[data-theme="dark"] .timeline-item .desc {
  color: var(--text-light);
}


.projects-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 36px;
  margin-top: 28px;
  margin-bottom: 8px;
}
.project-card {
  background: var(--secondary);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 2px 14px rgba(30,41,59,0.13);
  transition: transform var(--transition), box-shadow var(--transition);
  cursor: pointer;
  position: relative;
  color: var(--text-light);
  min-height: 340px;
  display: flex;
  flex-direction: column;
}
.project-card img {
  width: 100%;
  display: block;
  height: 180px;
  object-fit: cover;
  border-top-left-radius: var(--radius);
  border-top-right-radius: var(--radius);
}
.project-card .card-content {
  padding: 20px 22px 18px 22px;
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}
.project-card h4 {
  margin-bottom: 8px;
  color: var(--accent);
  font-size: 1.13rem;
}
.project-card .desc {
  font-size: 1.01rem;
  color: var(--text-light);
  font-family: 'Montserrat', 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
}
[data-theme="dark"] .project-card .desc {
  color: var(--text-light);
}
.project-card .tags {
  margin-top: 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.project-card .tag {
  background: var(--accent);
  color: #fff;
  border-radius: 8px;
  padding: 2px 10px;
  font-size: 0.87rem;
}


.projects-filter {
  display: flex;
  gap: 18px;
  margin-bottom: 22px;
  flex-wrap: wrap;
  justify-content: center;
}
.projects-filter button {
  background: var(--bg);
  color: var(--primary);
  border: 1.5px solid var(--accent);
  border-radius: 8px;
  padding: 7px 22px;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
  font-family: 'Montserrat', 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
  font-size: 1.01rem;
}
.projects-filter button.active, .projects-filter button:hover {
  background: var(--accent);
  color: #fff;
}
[data-theme="dark"] .projects-filter button {
  background: #16213a;
  color: var(--text-light);
  border-color: #3fa9f5;
}
[data-theme="dark"] .projects-filter button.active,
[data-theme="dark"] .projects-filter button:hover {
  background: var(--accent);
  color: #fff;
}



.contact-card {
  background: rgba(255,255,255,0.98);
  border-radius: var(--radius);
  box-shadow: 0 4px 32px 0 rgba(30,41,59,0.10);
  max-width: 480px;
  margin: 0 auto 32px auto;
  padding: 36px 32px 28px 32px;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
}
[data-theme="dark"] .contact-card {
  background: #16213a;
  box-shadow: 0 4px 32px 0 rgba(30,41,59,0.22);
}
#contact-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
  width: 100%;
  max-width: 420px;
  margin: 0 auto 18px auto;
}
#contact-form input, #contact-form textarea {
  padding: 15px 20px;
  border-radius: 10px;
  border: 1.5px solid var(--secondary);
  font-size: 1.08rem;
  background: var(--bg);
  color: var(--text);
  transition: border var(--transition), background var(--transition);
  font-family: 'Montserrat', 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
  box-shadow: 0 1px 4px rgba(30,41,59,0.04);
}
#contact-form input:focus, #contact-form textarea:focus {
  border-color: var(--accent);
  outline: none;
  background: #eaf6fd;
}
[data-theme="dark"] #contact-form input,
[data-theme="dark"] #contact-form textarea {
  background: #101c33;
  color: var(--text-light);
  border-color: #233554;
}
#send-btn {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 10px;
  padding: 15px 0;
  font-size: 1.18rem;
  font-weight: 700;
  cursor: pointer;
  transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
  box-shadow: 0 2px 12px rgba(56,189,248,0.13);
  position: relative;
  overflow: hidden;
  font-family: 'Montserrat', 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
  margin-top: 6px;
  letter-spacing: 0.01em;
}
#send-btn.sending {
  background: var(--secondary);
}
#send-btn:hover, #send-btn:focus {
  background: #1da7e7;
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 4px 18px rgba(56,189,248,0.18);
}
.contact-info {
  display: flex;
  gap: 32px;
  justify-content: center;
  margin-top: 18px;
  margin-bottom: 2px;
}
.contact-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: #eaf6fd;
  box-shadow: 0 2px 8px rgba(56,189,248,0.10);
  transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
  font-size: 1.3rem;
  margin: 0 2px;
  border: 2px solid transparent;
}
.contact-icon img {
  width: 28px;
  height: 28px;
  filter: none;
  transition: transform var(--transition), filter var(--transition);
}
.contact-icon:hover, .contact-icon:focus {
  background: var(--accent);
  box-shadow: 0 4px 18px rgba(56,189,248,0.18);
  transform: translateY(-2px) scale(1.08);
  border: 2px solid #fff;
}
.contact-icon:hover img, .contact-icon:focus img {
  filter: invert(1) brightness(1.2) drop-shadow(0 2px 6px rgba(56,189,248,0.10));
  transform: scale(1.12) rotate(-8deg);
  background: none;
}
[data-theme="dark"] .contact-icon {
  background: #233554;
  border: 2px solid #233554;
}
[data-theme="dark"] .contact-icon:hover, [data-theme="dark"] .contact-icon:focus {
  background: var(--accent);
  border: 2px solid #fff;
}


footer {
  background: var(--primary);
  color: #fff;
  text-align: center;
  padding: 28px 0 14px 0;
  font-size: 1.05rem;
  margin-top: 48px;
  font-family: 'Montserrat', 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
  letter-spacing: 0.01em;
}


/* Responsive Navigation */
.navbar {
  width: 100%;
  background: var(--bg);
  box-shadow: 0 2px 12px rgba(30,41,59,0.06);
  position: sticky;
  top: 0;
  z-index: 100;
  transition: background var(--transition);
}
.nav-container {
  max-width: 1080px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 18px;
  height: 64px;
}
.nav-logo {
  font-family: 'Montserrat', 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--primary);
  text-decoration: none;
  letter-spacing: 0.01em;
}
[data-theme="dark"] .nav-logo {
  color: var(--text-light);
}
.nav-menu {
  display: flex;
  align-items: center;
  gap: 18px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-menu li {
  display: flex;
  align-items: center;
}
.nav-menu a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
  font-size: 1.05rem;
  padding: 8px 12px;
  border-radius: 6px;
  transition: background var(--transition), color var(--transition);
}

/* Dark mode nav link color fix */
[data-theme="dark"] .nav-menu a {
  color: var(--text-light);
}
[data-theme="dark"] .nav-menu a:hover, [data-theme="dark"] .nav-menu a:focus {
  background: var(--accent);
  color: #222;
}
.nav-menu a:hover, .nav-menu a:focus {
  background: var(--accent);
  color: #fff;
}
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  gap: 5px;
}
.nav-toggle .bar {
  width: 28px;
  height: 3px;
  background: var(--primary);
  border-radius: 2px;
  transition: all 0.3s;
}
[data-theme="dark"] .nav-toggle .bar {
  background: var(--text-light);
}
@media (max-width: 900px) {
  .nav-toggle {
    display: flex;
  }
  .container {
    width: 99%;
    padding-left: 4px;
    padding-right: 4px;
  }
  .skills-list {
    gap: 14px;
  }
  .projects-list {
    gap: 14px;
  }
  section {
    padding: 54px 0 28px 0;
  }
  .hero-content {
    padding: 32px 8px 36px 8px;
    max-width: 98vw;
  }
  .nav-menu {
    position: absolute;
    top: 64px;
    left: 0;
    width: 100vw;
    background: var(--bg);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    box-shadow: 0 4px 24px rgba(30,41,59,0.10);
    padding: 0;
    display: none;
  }
  .nav-menu.open {
    display: flex;
  }
  .nav-menu li {
    width: 100%;
  }
  .nav-menu a, .nav-menu button {
    width: 100%;
    text-align: left;
    padding: 16px 24px;
    font-size: 1.13rem;
    border-radius: 0;
    border-bottom: 1px solid #e5e7ef;
    background: none;
    box-shadow: none;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: flex-start;
  }
  #theme-toggle {
    width: 48px;
    height: 48px;
    margin: 12px 0 12px 12px;
    align-self: center;
    justify-content: center;
    display: flex;
  }
  #theme-toggle:after {
    font-size: 2rem;
    line-height: 48px;
    color: #222;
    display: block;
    text-align: center;
  }
  [data-theme="dark"] #theme-toggle:after {
    color: #facc15;
  }
}
@media (max-width: 600px) {
  h2 {
    font-size: 1.18rem;
  }
  .hero-title {
    font-size: 1.08rem;
  }
  .projects-list {
    grid-template-columns: 1fr;
  }
  section {
    padding: 32px 0 18px 0;
  }
  .container {
    padding-left: 0;
    padding-right: 0;
  }
  .hero-content {
    padding: 18px 2px 22px 2px;
  }
  .nav-container {
    padding: 0 6px;
  }
}