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

:root {
  --color-bg: #fafafa;
  --color-bg-alt: #f0f0f0;
  --color-text: #1a1a1a;
  --color-text-light: #666;
  --color-accent: #1a1a1a;
  --color-white: #fff;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

ul {
  list-style: none;
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
}

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 40px;
  z-index: 100;
  background: rgba(250, 250, 250, 0.85);
  backdrop-filter: blur(12px);
}

.logo {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  gap: 32px;
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-light);
  transition: color 0.2s;
}

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

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 0 24px;
}

.hero-greeting {
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-text-light);
  margin-bottom: 8px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.hero-name {
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 16px;
}

.hero-tagline {
  font-size: 1.125rem;
  color: var(--color-text-light);
  margin-bottom: 40px;
}

.btn {
  display: inline-block;
  padding: 14px 36px;
  background: var(--color-accent);
  color: var(--color-white);
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: 100px;
  transition: opacity 0.2s;
}

.btn:hover {
  opacity: 0.85;
}

.section {
  padding: 120px 0;
}

.section--alt {
  background: var(--color-bg-alt);
}

.section-title {
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-text-light);
  margin-bottom: 48px;
}

.about-text {
  max-width: 560px;
}

.about-text p {
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--color-text);
}

.about-text p + p {
  margin-top: 16px;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
}

.skill-card {
  background: var(--color-white);
  padding: 32px;
  border-radius: 12px;
  transition: transform 0.2s, box-shadow 0.2s;
}

.skill-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
}

.skill-icon {
  display: block;
  font-size: 1.5rem;
  margin-bottom: 16px;
}

.skill-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.skill-card p {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.works-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 24px;
}

.work-card {
  background: var(--color-white);
  border-radius: 12px;
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
}

.work-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
}

.work-card:hover .work-image {
  background-position: 100% 50%;
}

.work-image {
  height: 220px;
  background-size: 200% 200%;
  background-position: 0% 50%;
  transition: background-position 0.6s ease;
}

@keyframes gradient-shift {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

.work-info {
  padding: 28px 32px;
}

.work-info h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.work-info p {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-bottom: 16px;
}

.work-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.work-tags span {
  font-size: 0.75rem;
  padding: 4px 12px;
  background: var(--color-bg);
  border-radius: 100px;
  color: var(--color-text-light);
  font-weight: 500;
}

.contact-text {
  font-size: 1.125rem;
  color: var(--color-text-light);
  margin-bottom: 32px;
}

.contact-links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.contact-link {
  display: inline-block;
  padding: 12px 28px;
  background: var(--color-white);
  border-radius: 100px;
  font-size: 0.875rem;
  font-weight: 500;
  transition: background 0.2s, transform 0.2s;
}

.contact-link:hover {
  background: var(--color-accent);
  color: var(--color-white);
  transform: translateY(-1px);
}

.footer {
  padding: 40px 24px;
  text-align: center;
  font-size: 0.8125rem;
  color: var(--color-text-light);
}

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background: var(--color-bg);
  border-radius: 16px;
  max-width: 640px;
  width: 100%;
  max-height: 80vh;
  overflow-y: auto;
  padding: 40px;
  position: relative;
  transform: translateY(16px);
  transition: transform 0.25s ease;
}

.modal-overlay.active .modal-content {
  transform: translateY(0);
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--color-text-light);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: background 0.2s;
}

.modal-close:hover {
  background: var(--color-bg-alt);
}

.blog-list {
  display: grid;
  gap: 16px;
}

.blog-card {
  background: var(--color-white);
  padding: 24px 28px;
  border-radius: 12px;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
}

.blog-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
}

.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  font-size: 0.8125rem;
  color: var(--color-text-light);
}

.blog-card-tag {
  padding: 2px 10px;
  background: var(--color-bg);
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-text-light);
}

.blog-card-title {
  font-size: 1.125rem;
  font-weight: 600;
}

.blog-post-header {
  margin-bottom: 40px;
}

.blog-post-header h2 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.blog-post-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  color: var(--color-text-light);
}

.blog-back {
  display: inline-block;
  margin-bottom: 32px;
  padding: 8px 20px;
  background: var(--color-white);
  border: none;
  border-radius: 100px;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  font-family: var(--font);
  transition: background 0.2s;
}

.blog-back:hover {
  background: var(--color-accent);
  color: var(--color-white);
}

.blog-post-body {
  max-width: 640px;
}

.blog-post-body h1 {
  display: none;
}

.blog-post-body h2 {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 32px 0 16px;
  letter-spacing: -0.01em;
}

.blog-post-body h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin: 24px 0 12px;
}

.blog-post-body p {
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--color-text);
  margin-bottom: 16px;
}

.blog-post-body ul,
.blog-post-body ol {
  padding-left: 24px;
  margin-bottom: 16px;
}

.blog-post-body li {
  font-size: 0.95rem;
  line-height: 1.8;
  margin-bottom: 4px;
}

.blog-post-body strong {
  font-weight: 600;
}

.blog-post-body code {
  background: var(--color-bg);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.875rem;
}

.blog-post-body pre {
  background: #1a1a1a;
  color: #e0e0e0;
  padding: 20px;
  border-radius: 8px;
  overflow-x: auto;
  margin-bottom: 16px;
}

.blog-post-body pre code {
  background: none;
  padding: 0;
  color: inherit;
}

@media (max-width: 768px) {
  .navbar {
    padding: 16px 24px;
  }

  .nav-links {
    gap: 20px;
  }

  .section {
    padding: 80px 0;
  }

  .work-image {
    height: 160px;
  }
}