:root {
  --bg: #060816;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-strong: rgba(255, 255, 255, 0.08);
  --text: #f8fafc;
  --muted: #94a3b8;
  --accent: #8b5cf6;
  --accent-2: #22d3ee;
  --border: rgba(255, 255, 255, 0.12);
  --shadow: 0 20px 60px rgba(2, 6, 23, 0.4);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", sans-serif;
  color: var(--text);
  line-height: 1.7;
  background: radial-gradient(circle at top left, #162042 0%, #060816 45%, #03050d 100%);
  min-height: 100vh;
  position: relative;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.9), transparent 90%);
  pointer-events: none;
  z-index: -1;
}

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

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

.skip-link {
  position: absolute;
  left: -9999px;
  top: 1rem;
  z-index: 2000;
  background: var(--accent);
  color: white;
  padding: 0.7rem 1rem;
  border-radius: 999px;
}

.skip-link:focus {
  left: 1rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  backdrop-filter: blur(18px);
  background: rgba(6, 8, 22, 0.75);
  border-bottom: 1px solid var(--border);
}

.logo {
  font-size: 1.15rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.logo .highlight {
  color: var(--accent-2);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: transparent;
  border: 0;
  cursor: pointer;
  padding: 0.3rem;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: white;
  border-radius: 999px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.site-nav ul {
  display: flex;
  list-style: none;
  gap: 0.6rem;
}

.site-nav a {
  color: var(--muted);
  font-weight: 500;
  padding: 0.45rem 0.75rem;
  border-radius: 999px;
  transition: background 0.3s ease, color 0.3s ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
}

.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: clamp(4rem, 8vw, 7rem) 1.25rem 3rem;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  margin-bottom: 0.9rem;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--accent-2);
}

.eyebrow::before {
  content: "";
  width: 2rem;
  height: 1px;
  background: currentColor;
}

.intro-text h1 {
  font-size: clamp(2.2rem, 4.6vw, 3.9rem);
  line-height: 1.08;
  margin-bottom: 1rem;
  max-width: 700px;
}

.intro-text p {
  color: var(--muted);
  font-size: 1rem;
  max-width: 620px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 1.4rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.9rem 1.2rem;
  border-radius: 999px;
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  color: white;
  font-weight: 600;
  box-shadow: 0 14px 35px rgba(34, 211, 238, 0.18);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-3px);
  box-shadow: 0 18px 42px rgba(139, 92, 246, 0.24);
}

.btn-secondary {
  background: transparent;
  border: 1px solid var(--border);
  box-shadow: none;
}

.social-links {
  display: flex;
  gap: 0.7rem;
  margin-top: 1.45rem;
}

.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
  transition: transform 0.3s ease, background 0.3s ease;
}

.social-links a:hover {
  transform: translateY(-3px);
  background: rgba(34, 211, 238, 0.12);
}

.social-links img,
.social-links i {
  width: 20px;
  height: 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--text);
  object-fit: contain;
}

.profile-card {
  position: relative;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: 1.8rem;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02));
  box-shadow: var(--shadow);
  overflow: hidden;
}

.profile-card::before {
  content: "";
  position: absolute;
  inset: -30px;
  background: radial-gradient(circle, rgba(34, 211, 238, 0.18), transparent 60%);
  pointer-events: none;
}

.profile-card img {
  width: 100%;
  max-width: 430px;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 1.3rem;
  margin: 0 auto;
}

.profile-badge {
  position: absolute;
  left: 1.2rem;
  bottom: 1.2rem;
  display: inline-flex;
  padding: 0.7rem 0.95rem;
  border-radius: 999px;
  border: 1px solid rgba(34, 211, 238, 0.28);
  background: rgba(4, 8, 24, 0.75);
  color: var(--accent-2);
  font-size: 0.9rem;
  backdrop-filter: blur(10px);
}

.section {
  max-width: 1200px;
  margin: 0 auto;
  padding: clamp(3.3rem, 6vw, 4.8rem) 1.25rem;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 1.7rem;
}

.section-heading h2 {
  font-size: clamp(1.5rem, 2.8vw, 2.1rem);
  margin-bottom: 0.4rem;
}

.section-heading p {
  color: var(--muted);
}

.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 1.2rem;
  align-items: start;
}

.about-grid > p,
.highlight-card,
.experience-card,
.project-card,
.skill-card,
.contact-card {
  border: 1px solid var(--border);
  border-radius: 1.25rem;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
  box-shadow: var(--shadow);
}

.about-grid > p {
  padding: 1.3rem 1.35rem;
  color: var(--muted);
}

.about-highlights {
  display: grid;
  gap: 1rem;
}

.highlight-card {
  padding: 1.1rem 1.2rem;
}

.highlight-card strong {
  display: block;
  margin-bottom: 0.25rem;
  color: var(--text);
}

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

.experience-card {
  padding: 1.2rem;
}

.experience-card .company {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-2);
}

.experience-card h3 {
  margin: 0.4rem 0 0.6rem;
}

.experience-card ul {
  padding-left: 1rem;
  color: var(--muted);
}

.experience-card li + li {
  margin-top: 0.4rem;
}

.portfolio-container {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.project-card {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  padding: 1rem;
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.project-card:hover {
  transform: translateY(-6px);
  border-color: rgba(34, 211, 238, 0.35);
}

.project-card img {
  width: 100%;
  height: 190px;
  object-fit: cover;
  border-radius: 0.95rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.project-meta {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--accent-2);
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.project-card h3 {
  font-size: 1.08rem;
}

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

.view-btn {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--text);
  font-weight: 600;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.skill-card {
  padding: 1.1rem;
}

.skill-card i {
  margin-bottom: 0.65rem;
  color: var(--accent-2);
}

.skill-card h3 {
  margin-bottom: 0.25rem;
}

.skill-card p {
  color: var(--muted);
  font-size: 0.94rem;
}



footer {
  padding: 1.2rem 1.25rem 2rem;
  text-align: center;
  color: var(--muted);
}

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 900px) {
  .hero,
  .about-grid,
  .experience-grid,
  .portfolio-container,
  .skills-grid {
    grid-template-columns: 1fr 1fr;
  }

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

  .profile-card {
    max-width: 380px;
    margin: 0 auto;
  }
}

@media (max-width: 700px) {
  .site-header {
    position: relative;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: calc(100% + 0.6rem);
    right: 1rem;
    left: 1rem;
    padding: 0.9rem;
    border: 1px solid var(--border);
    border-radius: 1rem;
    background: rgba(6, 8, 22, 0.97);
  }

  .site-nav.open {
    display: block;
  }

  .site-nav ul {
    flex-direction: column;
    gap: 0.35rem;
  }

  .hero {
    padding-top: 3rem;
  }

  .about-grid,
  .experience-grid,
  .portfolio-container,
  .skills-grid {
    grid-template-columns: 1fr;
  }

  .contact-card {
    padding: 1.3rem;
  }
}

@media (max-width: 480px) {
  .site-header {
    padding: 0.9rem 1rem;
  }

  .hero,
  .section {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .hero-actions,
  .contact-actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }
}


/* ============================================
   SMALL MOBILE (under 400px)
   Very small screens: iPhone SE, small Androids
============================================ */
@media (max-width: 400px) {
  .intro-text h1 {
    font-size: 1.6rem;
  }

  header {
    padding: 12px 10px;
  }

  nav ul li {
    margin-left: 10px;
  }

  .profile-img img {
    width: 150px;
  }

  .project-card {
    width: 95%;
    padding: 20px 15px;
  }
}