:root {
  --bg: #f5f6f8;
  --bg-soft: #eceef2;
  --surface: #ffffff;
  --text: #0f1722;
  --text-muted: #4f5b69;
  --line: #d6dbe3;
  --accent: #0e7490;
  --accent-soft: #d9f2f8;
  --shadow: 0 12px 28px rgba(15, 23, 34, 0.08);
  --radius-lg: 18px;
  --radius-md: 12px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Manrope", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 8% 5%, #ffffff 0%, transparent 48%),
    linear-gradient(155deg, #f8fafc 0%, var(--bg) 46%, var(--bg-soft) 100%);
  line-height: 1.6;
}

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

.container {
  width: min(1080px, calc(100% - 2.5rem));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  backdrop-filter: blur(14px);
  background: rgba(245, 246, 248, 0.82);
  border-bottom: 1px solid rgba(214, 219, 227, 0.7);
  z-index: 100;
}

.nav-wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 72px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
}

.brand-mark {
  width: 32px;
  height: 32px;
  border-radius: 9px;
  display: grid;
  place-items: center;
  background: var(--text);
  color: #ffffff;
  font-size: 0.85rem;
}

.site-nav {
  display: inline-flex;
  gap: 1.2rem;
}

.site-nav a {
  color: var(--text-muted);
  font-weight: 600;
  transition: color 180ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--text);
}

.hero {
  padding: 6.25rem 0 2.4rem;
  animation: rise 650ms ease-out;
}

.eyebrow {
  display: inline-block;
  margin: 0 0 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.73rem;
  color: var(--text-muted);
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.2;
}

h1 {
  max-width: 12ch;
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(2.2rem, 6vw, 4rem);
  font-weight: 700;
}

.text-accent {
  color: var(--accent);
}

.hero-copy {
  max-width: 62ch;
  margin: 1.1rem 0 0;
  color: var(--text-muted);
  font-size: 1.05rem;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2rem;
}

.btn {
  padding: 0.68rem 1rem;
  border-radius: 999px;
  font-weight: 700;
  border: 1px solid transparent;
  transition:
    transform 200ms ease,
    box-shadow 200ms ease,
    background-color 200ms ease;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--text);
  color: #fff;
}

.btn-primary:hover,
.btn-primary:focus-visible {
  box-shadow: var(--shadow);
}

.btn-ghost {
  border-color: var(--line);
  color: var(--text);
  background: rgba(255, 255, 255, 0.5);
}

.btn-ghost:hover,
.btn-ghost:focus-visible {
  background: #ffffff;
}

.section {
  padding: 2.2rem 0;
}

.section-head {
  margin-bottom: 1rem;
}

.section-head h2 {
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(1.35rem, 3.5vw, 2rem);
}

.grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(12, minmax(0, 1fr));
}

.card {
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(214, 219, 227, 0.8);
  border-radius: var(--radius-lg);
  padding: 1.2rem;
  box-shadow: 0 3px 10px rgba(15, 23, 34, 0.04);
}

#about .card {
  max-width: 860px;
}

#about p {
  margin: 0;
  color: var(--text-muted);
}

#about p + p {
  margin-top: 0.75rem;
}

#skills .card {
  grid-column: span 4;
}

.tag-list {
  list-style: none;
  padding: 0;
  margin: 0.9rem 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.tag-list li {
  padding: 0.28rem 0.62rem;
  border-radius: 999px;
  font-size: 0.87rem;
  font-weight: 600;
  background: var(--accent-soft);
  color: #0f5f74;
}

.projects-grid .project {
  grid-column: span 4;
}

.project-top {
  display: flex;
  justify-content: space-between;
  gap: 0.8rem;
  align-items: baseline;
}

.project-top a {
  font-weight: 700;
  color: var(--accent);
}

.project p {
  margin: 0.65rem 0 0;
  color: var(--text-muted);
}

.contact-card {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  flex-wrap: wrap;
}

.contact-card p {
  margin: 0;
  color: var(--text-muted);
}

.contact-links {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

.contact-links a {
  font-weight: 700;
  color: var(--accent);
}

.site-footer {
  border-top: 1px solid rgba(214, 219, 227, 0.9);
  margin-top: 2.2rem;
}

.footer-wrap {
  min-height: 74px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  color: var(--text-muted);
  font-size: 0.92rem;
}

@media (max-width: 900px) {
  #skills .card,
  .projects-grid .project {
    grid-column: span 6;
  }
}

@media (max-width: 680px) {
  .site-nav {
    gap: 0.8rem;
    font-size: 0.92rem;
  }

  .hero {
    padding-top: 4.2rem;
  }

  #skills .card,
  .projects-grid .project {
    grid-column: span 12;
  }

  .footer-wrap {
    flex-direction: column;
    justify-content: center;
  }
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}