:root {
  --bg: #242936;
  --bg-soft: #2b3140;
  --card: #31384a;
  --text: #f5f7fb;
  --muted: #c0c7d4;
  --line: #3c4458;
  --accent: #7aa2ff;
  --accent-hover: #94b5ff;
  --max-width: 1100px;
  --radius: 18px;
  --shadow: 0 10px 30px rgba(0,0,0,.18);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-soft) 100%);
  color: var(--text);
  line-height: 1.6;
}

img {
  max-width: 100%;
  display: block;
}

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

.container {
  width: min(100% - 32px, var(--max-width));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(12px);
  background: rgba(15, 17, 21, 0.75);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 20px;
}

.logo {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: .04em;
}

.nav {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

.nav a {
  color: var(--muted);
  font-size: 0.95rem;
  transition: color .2s ease;
}

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

.hero {
  padding: 88px 0 56px;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 28px;
  align-items: center;
}

.hero-copy h1 {
  margin: 0 0 18px;
  font-size: clamp(2rem, 5vw, 3.8rem);
  line-height: 1.15;
}

.hero-copy p {
  margin: 0 0 28px;
  color: var(--muted);
  font-size: 1rem;
  max-width: 60ch;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 999px;
  font-weight: 700;
  transition: .2s ease;
  border: 1px solid transparent;
}

.button-primary {
  background: var(--accent);
  color: #081120;
}

.button-primary:hover {
  background: var(--accent-hover);
}

.button-secondary {
  border-color: var(--line);
  color: var(--text);
  background: rgba(255,255,255,0.02);
}

.button-secondary:hover {
  background: rgba(255,255,255,0.06);
}

.hero-panel {
  background: linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02));
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 24px;
  padding: 24px;
  box-shadow: var(--shadow);
}

.hero-panel .label {
  display: inline-block;
  margin-bottom: 14px;
  padding: 6px 10px;
  font-size: .8rem;
  border-radius: 999px;
  background: rgba(122, 162, 255, 0.12);
  color: #b8ceff;
}

.hero-panel ul {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
}

.section {
  padding: 56px 0;
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 20px;
  margin-bottom: 24px;
}

.section-head h2 {
  margin: 0;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
}

.section-head p {
  margin: 8px 0 0;
  color: var(--muted);
}

.skills {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.skill-card,
.work-card,
.about-box,
.contact-box {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.skill-card {
  padding: 22px;
}

.skill-card h3 {
  margin: 0 0 10px;
  font-size: 1.05rem;
}

.skill-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.works-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}

.work-card {
  overflow: hidden;
}

.work-thumb {
  aspect-ratio: 16 / 10;
  background: linear-gradient(135deg, #2b3550, #182033);
  display: grid;
  place-items: center;
  color: rgba(255,255,255,.7);
  font-weight: 700;
  letter-spacing: .06em;
}

.work-body {
  padding: 20px;
}

.work-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.tag {
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.06);
  color: var(--muted);
  font-size: 0.8rem;
}

.work-body h3 {
  margin: 0 0 10px;
  font-size: 1.2rem;
}

.work-body p {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 0.95rem;
}

.work-links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.text-link {
  color: #bfd1ff;
  font-weight: 700;
}

.about-box,
.contact-box {
  padding: 24px;
}

.about-box p,
.contact-box p {
  margin: 0;
  color: var(--muted);
}

.site-footer {
  padding: 28px 0 36px;
  border-top: 1px solid rgba(255,255,255,0.08);
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 900px) {
  .hero-inner,
  .skills,
  .works-grid {
    grid-template-columns: 1fr;
  }

  .section-head {
    align-items: start;
    flex-direction: column;
  }
}

@media (max-width: 640px) {
  .hero {
    padding-top: 64px;
  }

  .header-inner {
    min-height: 64px;
  }

  .nav {
    gap: 12px;
    font-size: .9rem;
  }
}