/* ===== CSS Variables ===== */
:root {
  --primary-color: #f59e0b;
  --primary-hover: #d97706;
  --secondary-color: #fbbf24;
  --bg-primary: #1a1a1a;
  --bg-secondary: #0f0f0f;
  --bg-card: #252525;
  --text-primary: #ffffff;
  --text-secondary: #d1d5db;
  --text-muted: #9ca3af;
  --border-color: #3d3d3d;
  --accent-color: #f97316;
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
}

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

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

body {
  font-family: Arial, Helvetica, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ===== Typography ===== */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: Arial, Helvetica, sans-serif;
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
}

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

a:hover {
  color: var(--secondary-color);
}

strong {
  color: var(--text-primary);
  font-weight: 600;
}

/* ===== Container ===== */
.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Language Switcher ===== */
.lang-switcher {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(10px);
  padding: 8px 16px;
  border-radius: 20px;
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 8px;
}

.lang-switcher a {
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 12px;
  transition: all var(--transition-fast);
}

.lang-switcher a:hover,
.lang-switcher a.active {
  color: var(--text-primary);
  background: var(--primary-color);
}

.lang-switcher .divider {
  color: var(--text-muted);
}

/* ===== Hero Section ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 80px 24px;
  position: relative;
  background: linear-gradient(
      180deg,
      rgba(26, 26, 26, 0.4) 0%,
      rgba(26, 26, 26, 0.85) 60%,
      rgba(26, 26, 26, 1) 100%
    ),
    url("../assets/bck.png") center/cover no-repeat fixed;
}

.hero-content {
  position: relative;
  z-index: 1;
  animation: fadeIn 1s ease-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.profile-image {
  width: 220px;
  height: 220px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 28px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  transition: transform var(--transition-normal);
}

.profile-image:hover {
  transform: scale(1.03);
}

.name {
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.tagline {
  font-size: 1.3rem;
  color: var(--primary-color);
  margin-bottom: 8px;
  font-weight: 600;
}

.subtitle {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 28px;
}

/* ===== Social Links ===== */
.social-links {
  display: flex;
  justify-content: center;
  gap: 12px;
}

.social-links a {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  color: var(--text-secondary);
  font-size: 1.1rem;
  transition: all var(--transition-normal);
}

.social-links a:hover {
  background: var(--primary-color);
  color: var(--text-primary);
  transform: translateY(-3px);
}

/* ===== Section Styles ===== */
.section {
  padding: 80px 0;
}

.section-title {
  font-size: 2rem;
  text-align: center;
  margin-bottom: 48px;
  color: var(--text-primary);
}

/* ===== About Section ===== */
.about {
  background: var(--bg-secondary);
}

.about-text {
  max-width: 750px;
  margin: 0 auto 20px;
  font-size: 1.05rem;
  color: var(--text-secondary);
  text-align: center;
  line-height: 1.8;
}

/* ===== Skills Section ===== */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.skill-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 28px;
  text-align: center;
  transition: all var(--transition-normal);
}

.skill-card:hover {
  border-color: var(--primary-color);
  transform: translateY(-4px);
}

.skill-card i {
  font-size: 2.2rem;
  color: var(--primary-color);
  margin-bottom: 16px;
}

.skill-card h3 {
  font-size: 1.1rem;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.skill-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ===== Tech Stack Section ===== */
.tech-stack {
  background: var(--bg-secondary);
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  max-width: 800px;
  margin: 0 auto;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 500;
  transition: all var(--transition-fast);
}

.tag i {
  font-size: 1rem;
  color: var(--primary-color);
}

.tag:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
  transform: translateY(-2px);
}

.tag.highlight {
  background: rgba(245, 158, 11, 0.15);
  border-color: var(--primary-color);
  color: var(--primary-color);
}

/* ===== Timeline / Experience ===== */
.timeline {
  max-width: 700px;
  margin: 0 auto;
}

.timeline-item {
  position: relative;
  padding-left: 30px;
  padding-bottom: 40px;
  border-left: 2px solid var(--border-color);
}

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

.timeline-marker {
  position: absolute;
  left: -7px;
  top: 0;
  width: 12px;
  height: 12px;
  background: var(--primary-color);
  border-radius: 50%;
}

.timeline-content {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 24px;
}

.timeline-date {
  display: inline-block;
  font-size: 0.8rem;
  color: var(--primary-color);
  font-weight: 600;
  margin-bottom: 8px;
}

.timeline-content h3 {
  font-size: 1.1rem;
  margin-bottom: 4px;
}

.timeline-content .company {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 10px;
}

.timeline-content .description {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* ===== Projects Section ===== */
.projects {
  background: var(--bg-secondary);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-bottom: 40px;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
  text-decoration: none;
}

.project-card:hover {
  border-color: var(--primary-color);
  transform: translateY(-4px);
}

.project-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(245, 158, 11, 0.15);
  border-radius: 10px;
  margin-bottom: 16px;
}

.project-icon i {
  font-size: 1.3rem;
  color: var(--primary-color);
}

.project-card h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.project-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.5;
  flex-grow: 1;
  margin-bottom: 16px;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.project-tech span {
  padding: 4px 10px;
  background: var(--bg-primary);
  border-radius: 12px;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.more-projects {
  text-align: center;
}

/* ===== Contact Section ===== */
.contact {
  text-align: center;
}

.contact-text {
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-bottom: 28px;
}

.contact-links {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

/* ===== Buttons ===== */
.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  transition: all var(--transition-normal);
  text-decoration: none;
}

.btn-primary {
  background: var(--primary-color);
  color: white;
}

.btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
  color: white;
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
}

/* ===== Footer ===== */
.footer {
  padding: 30px 0;
  text-align: center;
  border-top: 1px solid var(--border-color);
}

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

/* ===== Responsive Design ===== */
@media (max-width: 768px) {
  .hero {
    padding: 100px 20px 60px;
  }

  .profile-image {
    width: 180px;
    height: 180px;
  }

  .name {
    font-size: 2.5rem;
  }

  .tagline {
    font-size: 1.1rem;
  }

  .section {
    padding: 60px 0;
  }

  .section-title {
    font-size: 1.6rem;
  }

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

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

  .lang-switcher {
    top: 10px;
    right: 10px;
  }

  .contact-links {
    flex-direction: column;
    align-items: center;
  }

  .btn-primary,
  .btn-secondary {
    width: 100%;
    max-width: 260px;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .profile-image {
    width: 150px;
    height: 150px;
  }

  .name {
    font-size: 2rem;
  }

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

  .tag {
    padding: 6px 14px;
    font-size: 0.8rem;
  }
}

/* ===== Accessibility ===== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}