/* ─────────────────────────────────────────────────────────────
   Layout — sections, grids, responsive
──────────────────────────────────────────────────────────────── */

main {
  position: relative;
  z-index: 1;
}

section {
  padding: 7rem 2.5rem;
  position: relative;
  max-width: 1280px;
  margin: 0 auto;
}

.exp-list {
  max-width: 960px;
  margin: 0 auto;
  width: 100%;
}

/* ── Hero ── */
#hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 3rem;
  padding-top: 9rem;
  padding-bottom: 5rem;
}
.hero-left { padding-right: 2rem; }
.hero-tag {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.6rem;
}
.hero-name {
  font-family: var(--font-display);
  font-size: clamp(3.2rem, 9vw, 6.4rem);
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: -0.035em;
}
.hero-surname {
  display: block;
  font-family: var(--font-body);
  font-size: clamp(1.05rem, 2.2vw, 1.5rem);
  font-weight: 300;
  letter-spacing: 0.01em;
  color: var(--muted);
  margin-top: 0.6rem;
}
.hero-title {
  font-size: 1.05rem;
  color: var(--muted);
  margin-top: 1.4rem;
  font-weight: 400;
}
.hero-cta {
  display: flex;
  gap: 1rem;
  margin-top: 2.4rem;
  flex-wrap: wrap;
}
.hero-right {
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero-portrait {
  width: 100%;
  max-width: 460px;
  aspect-ratio: 3 / 4;
  position: relative;
  overflow: hidden;
  padding: 0;
}
.hero-portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
  border-radius: var(--radius-md);
}
.portrait-glass {
  position: absolute;
  bottom: 1.2rem;
  left: 1.2rem;
  right: 1.2rem;
  height: 70px;
  border-radius: var(--radius-md);
  pointer-events: none;
}
.hero-scroll {
  position: absolute;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.7rem;
}
.scroll-line {
  width: 1px;
  height: 42px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scrollPulse 2.4s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.35; transform: scaleY(0.7); }
  50%      { opacity: 1;    transform: scaleY(1); }
}

/* ── About ── */
.about-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 4rem;
  align-items: start;
}
.about-text .lead {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--text);
  line-height: 1.5;
  margin-bottom: 1.4rem;
}
.about-text p {
  color: var(--muted);
  font-size: 1rem;
  margin-bottom: 1.2rem;
}
.about-sidebar {
  padding: 2rem;
}
.about-sidebar h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  margin-bottom: 1.2rem;
}
.skills-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.8rem;
}

/* ── Projects ── */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

/* ── Footer ── */
footer {
  padding: 2rem 2.5rem 2.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  max-width: 1280px;
  margin: 0 auto;
  border-top: 1px solid var(--glass-border);
  margin-top: 2rem;
}
footer span {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--muted);
}

/* ── Tablet ── */
@media (max-width: 1024px) {
  section { padding: 6rem 2rem; }
  #hero { gap: 2rem; padding-top: 8rem; }
  .hero-left { padding-right: 0; }
  .about-grid { gap: 2.5rem; }
}

/* ── Mobile ── */
@media (max-width: 768px) {
  nav {
    top: 0.8rem;
    padding: 0.6rem 0.6rem 0.6rem 1.2rem;
  }
  .nav-links { display: none; }
  .hamburger { display: flex; }

  #hero {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto;
    padding: 7rem 1.5rem 4rem;
    gap: 2.5rem;
    min-height: 100svh;
  }
  .hero-left { order: 2; padding-right: 0; }
  .hero-right { order: 1; }
  .hero-portrait { max-width: 280px; }
  .hero-scroll { display: none; }

  section { padding: 5rem 1.5rem; }

  .about-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .exp-item {
    grid-template-columns: 1fr;
    gap: 0.4rem;
    padding: 1.6rem 1.5rem;
  }

  .contact-card { padding: 3rem 1.8rem; }

  footer {
    flex-direction: column;
    text-align: center;
    padding: 2rem 1.5rem;
  }
}

@media (max-width: 420px) {
  .hero-portrait { max-width: 220px; }
  .hero-name { font-size: clamp(2.8rem, 13vw, 4rem); }
}