@import url('https://fonts.googleapis.com/css2?family=Inter:ital,opsz,wght@0,14..32,100..900;1,14..32,100..900&family=Outfit:wght@100..900&display=swap');

:root {
  --font-serif: "Outfit", sans-serif;
  --font-sans: "Inter", sans-serif;

  /* Dark Theme (Default) */
  --bg-primary: #020617;
  --bg-secondary: #0f172a;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --accent: #10b981;
  --accent-soft: rgba(16, 185, 129, 0.1);
  --glass: rgba(15, 23, 42, 0.6);
  --border: rgba(255, 255, 255, 0.1);
  --card-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-secondary: #f1f5f9;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --accent: #059669;
  --accent-soft: rgba(5, 150, 105, 0.1);
  --glass: rgba(255, 255, 255, 0.7);
  --border: rgba(0, 0, 0, 0.05);
  --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-serif);
  font-weight: 700;
}

.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Header & Nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 4rem;
}

.logo {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.025em;
}

.nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.875rem;
  transition: var(--transition);
}

.nav a:hover {
  color: var(--accent);
}

#theme-toggle {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 0.5rem;
  border-radius: 9999px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

#theme-toggle:hover {
  transform: scale(1.1);
  border-color: var(--accent);
}

/* Hero Section */
.hero {
  padding: 6rem 0 4rem;
  animation: fadeIn 1s ease-out;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 350px;
  gap: 4rem;
  align-items: center;
}

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

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-content {
  text-align: left;
}

.hero h2 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  line-height: 1.1;
  margin-bottom: 1.5rem;
  background: linear-gradient(to bottom right, var(--text-primary), var(--text-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.profile-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
}

.profile-img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 2rem;
  border: 1px solid var(--border);
  box-shadow: var(--card-shadow);
  transform: rotate(-2deg);
  transition: var(--transition);
}

.profile-wrapper::before {
  content: "";
  position: absolute;
  inset: -1rem;
  background: var(--accent-soft);
  border-radius: 2.5rem;
  z-index: -1;
  transform: rotate(3deg);
}

.profile-wrapper:hover .profile-img {
  transform: rotate(0deg) scale(1.02);
  border-color: var(--accent);
}

.lead {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 2.5rem;
}

.hero-actions {
  display: flex;
  justify-content: flex-start;
  gap: 1rem;
}

.btn {
  display: inline-block;
  padding: 0.75rem 2rem;
  border-radius: 0.75rem;
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
  cursor: pointer;
}

.btn:not(.ghost) {
  background: var(--accent);
  color: white;
}

.btn:not(.ghost):hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 15px -3px var(--accent-soft);
}

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

.btn.ghost:hover {
  background: var(--bg-secondary);
  border-color: var(--text-secondary);
}

/* Cards & Layout */
section {
  padding: 4rem 0;
}

.card {
  background: var(--bg-secondary);
  border-radius: 1.5rem;
  padding: 2rem;
  border: 1px solid var(--border);
  transition: var(--transition);
}

.card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: var(--card-shadow);
}

h3 {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.bullets {
  list-style: none;
}

.bullets li {
  margin-bottom: 0.75rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.tech-block {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.875rem;
  background: var(--bg-primary);
  padding: 1.5rem;
  border-radius: 1rem;
  border: 1px solid var(--border);
  white-space: pre-wrap;
  color: var(--text-secondary);
}

/* Projects Grid */
.projects-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}

#project-filter {
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  color: var(--text-primary);
  outline: none;
  transition: var(--transition);
}

#project-filter:focus {
  border-color: var(--accent);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

.project {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 1.5rem;
  transition: var(--transition);
}

.project:hover {
  border-color: var(--accent);
  transform: scale(1.02);
}

.project h4 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  color: var(--accent);
}

.project p {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* Footer & Stats */
.stats {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
  flex-wrap: wrap;
}

.stats img {
  min-height: 160px;
  border-radius: 0.75rem;
  max-width: 100%;
  height: auto;
}

.site-footer {
  padding: 4rem 0;
  text-align: center;
  border-top: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.site-footer a {
  color: var(--accent);
  text-decoration: none;
}

.inline-btn {
  background: var(--accent-soft);
  color: var(--accent);
  border: none;
  padding: 0.25rem 0.75rem;
  border-radius: 0.5rem;
  cursor: pointer;
  font-weight: 500;
  transition: var(--transition);
}

.inline-btn:hover {
  background: var(--accent);
  color: white;
}

@media (max-width: 768px) {
  .nav {
    display: none;
  }

  .hero {
    padding: 4rem 0;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
    text-align: center;
  }

  .hero-content {
    text-align: center;
  }

  .hero-actions {
    justify-content: center;
  }

  .profile-wrapper {
    order: -1;
    max-width: 250px;
    margin: 0 auto;
  }

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

  .two-col {
    columns: 1;
  }
}