:root {
  --bg-dark: #0c1221;
  --bg-panel: rgba(16, 24, 43, 0.92);
  --accent: #38bdf8;
  --accent-strong: #60a5fa;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --border: rgba(255, 255, 255, 0.08);
  --shadow: 0 22px 60px rgba(8, 15, 38, 0.35);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  position: relative;
  overflow-x: hidden;
  background: radial-gradient(circle at top left, rgba(56, 189, 248, 0.14), transparent 30%),
    radial-gradient(circle at bottom right, rgba(99, 102, 241, 0.16), transparent 30%),
    linear-gradient(180deg, #09101f 0%, #0f172a 100%);
  color: var(--text);
  line-height: 1.7;
}

.background-photos {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}

.background-photos .photo {
  position: absolute;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  overflow: hidden;
  background-size: cover;
  background-position: center;
  border: 8px solid rgba(15, 23, 42, 0.8);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.45);
}

.photo.photo-1 {
  top: 20%;
  right: 8%;
  width: 220px;
  height: 220px;
  background-image: url("background2.jpg");
}

.photo.photo-2 {
  bottom: 8%;
  left: 22%;
  width: 180px;
  height: 180px;
  background-image: url("background3.jpg");
}

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

button,
input,
textarea,
a {
  font: inherit;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background: radial-gradient(circle at top center, rgba(56, 189, 248, 0.14), transparent 28%),
    radial-gradient(circle at bottom left, rgba(99, 102, 241, 0.12), transparent 25%);
  pointer-events: none;
  z-index: -1;
}

header {
  min-height: 100vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 3rem 1.5rem;
}

.hero {
  max-width: 820px;
  padding: 3rem;
  border: 1px solid var(--border);
  border-radius: 32px;
  background: rgba(15, 23, 42, 0.82);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.hero h1 {
  font-size: clamp(3rem, 6vw, 5rem);
  letter-spacing: -0.05em;
  margin-bottom: 0.75rem;
}

.hero p {
  font-size: 1.2rem;
  color: var(--muted);
  max-width: 720px;
  margin: 0 auto 2rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.95rem 1.8rem;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: white;
  text-decoration: none;
  border-radius: 999px;
  box-shadow: 0 20px 40px rgba(56, 189, 248, 0.17);
  transition: transform 0.25s ease, box-shadow 0.25s ease, opacity 0.25s ease;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 28px 48px rgba(56, 189, 248, 0.28);
}

section {
  padding: 5rem 1.5rem;
}

.section-inner {
  max-width: 1080px;
  margin: 0 auto;
}

h2 {
  font-size: clamp(2rem, 3vw, 2.8rem);
  text-align: center;
  margin-bottom: 1.25rem;
  letter-spacing: -0.03em;
}

.about p,
.contact p {
  max-width: 720px;
  margin: 0 auto;
  color: var(--muted);
  text-align: center;
}

.experience-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.experience-card,
.project-card {
  padding: 2rem;
  border-radius: 28px;
  background: rgba(15, 23, 42, 0.88);
  border: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: var(--shadow);
  transition: transform 0.35s ease, border-color 0.35s ease;
}

.experience-card:hover,
.project-card:hover {
  transform: translateY(-6px);
  border-color: rgba(56, 189, 248, 0.22);
}

.experience-card h3,
.project-card h3 {
  margin-bottom: 0.9rem;
  font-size: 1.35rem;
}

.experience-card p,
.project-card p {
  color: var(--muted);
}

.contact {
  text-align: center;
}

.contact a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.25s ease;
}

.contact a:hover,
.contact a:focus-visible {
  color: var(--accent-strong);
}

footer {
  text-align: center;
  padding: 2rem 1.5rem;
  color: #64748b;
  font-size: 0.95rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

@media (max-width: 960px) {
  .experience-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 700px) {
  header,
  section {
    padding-left: 1rem;
    padding-right: 1rem;
  }

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

  .hero {
    padding: 2.2rem;
  }
}