.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  padding-block: var(--space-4);
  border-bottom: 1px solid transparent;
  transition: background var(--transition-base), border-color var(--transition-base), padding var(--transition-base);
}

.header--scrolled {
  background: rgba(8, 11, 19, 0.82);
  backdrop-filter: blur(12px);
  border-color: var(--color-border);
  padding-block: var(--space-2);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--space-7);
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
          linear-gradient(to right, rgba(255, 255, 255, 0.045) 1px, transparent 1px),
          linear-gradient(to bottom, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(circle at 30% 30%, black, transparent 75%);
  -webkit-mask-image: radial-gradient(circle at 30% 30%, black, transparent 75%);
}

.glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.28;
}

.glow--a {
  width: 420px;
  height: 420px;
  background: var(--color-accent);
  top: -120px;
  left: -80px;
  animation: floatSlow 9s ease-in-out infinite alternate;
}

.glow--b {
  width: 360px;
  height: 360px;
  background: var(--color-violet);
  bottom: -140px;
  right: -60px;
  animation: floatSlow 11s ease-in-out infinite alternate-reverse;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: var(--space-6);
  align-items: center;
}

.hero__name {
  font-size: clamp(2.5rem, 1.8rem + 3vw, 4.25rem);
  margin-block: var(--space-3);
}

.hero__tagline {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--color-accent);
  font-size: clamp(1.15rem, 1rem + 0.6vw, 1.5rem);
  min-height: 1.6em;
}

.hero__desc {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  max-width: 34rem;
  margin-block: var(--space-4);
}

.hero__actions {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-bottom: var(--space-3);
}

.about__inner {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: var(--space-6);
  align-items: center;
  margin-bottom: var(--space-6);
}

.about__media {
  width: 100%;
  max-width: 260px;
}

.proficiency-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.projects__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 560px));
  justify-content: center;
  gap: var(--space-5);
  margin-top: var(--space-6);
}

.edu-exp-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-5);
  margin-top: var(--space-6);
  align-items: start;
}

.edu-exp-col {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.tech-stack {
  margin-top: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
}

.tech-stack__heading {
  font-size: 1.2rem;
  margin-bottom: var(--space-4);
  text-align: center;
}

.tech-stack__groups {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
}

.tech-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  text-align: center;
}

.honor-card {
  margin-top: var(--space-8);
  display: flex;
  gap: var(--space-5);
  align-items: stretch;
}

.honor-card__heading {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.contact__inner {
  text-align: center;
  max-width: 40rem;
  margin-inline: auto;
}

.contact__lead {
  color: var(--color-text-muted);
  margin-bottom: var(--space-5);
}

.contact__links {
  display: flex;
  justify-content: center;
  gap: var(--space-5);
  margin-top: var(--space-4);
}

.footer {
  border-top: 1px solid var(--color-border);
  padding-block: var(--space-4);
}

.footer__bottom {
  display: flex;
  justify-content: center;
  text-align: center;
  color: var(--color-text-faint);
  font-size: 0.85rem;
}