/* ---- Sections ---- */
.section {
  position: relative;
  padding: var(--space-3xl) var(--space-md);
}

.section__inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

/* ---- Hero ---- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-top: var(--nav-height);
}

.hero__content {
  position: relative;
  z-index: 2;
}

.hero__buttons {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
  margin-top: var(--space-lg);
  flex-wrap: wrap;
}

/* ---- About ---- */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: start;
}

.about__stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
}

/* ---- Skills ---- */
.skills__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

/* ---- Projects / Hobbies ---- */
.projects__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

/* ---- Contact ---- */
.contact__card {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}

/* ---- Footer ---- */
.footer {
  text-align: center;
  padding: var(--space-lg) var(--space-md);
  border-top: 1px solid var(--glass-border);
  color: var(--text-muted);
  font-size: var(--fs-sm);
}

/* ---- Nav ---- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  transition: background var(--duration-normal) var(--ease-out-expo),
    border-color var(--duration-normal) var(--ease-out-expo);
  border-bottom: 1px solid transparent;
}

.nav--scrolled {
  background: rgba(8, 8, 14, 0.8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom-color: var(--glass-border);
}

.nav__inner {
  max-width: var(--max-width);
  width: 100%;
  margin: 0 auto;
  padding: 0 var(--space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  font-weight: 700;
  font-size: var(--fs-md);
  color: var(--text-primary);
  white-space: nowrap;
}

.nav__logo span {
  color: var(--accent-amber);
}

.nav__links {
  display: flex;
  gap: var(--space-md);
}

.nav__link {
  font-size: var(--fs-sm);
  color: var(--text-muted);
  transition: color var(--duration-fast);
  position: relative;
}

.nav__link:hover,
.nav__link--active {
  color: var(--text-primary);
}

.nav__link--active::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent-amber);
  border-radius: 1px;
}

/* ---- Hamburger (CSS-only) ---- */
.nav__toggle {
  display: none;
}

.nav__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 28px;
  height: 28px;
  cursor: pointer;
}

.nav__hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text-secondary);
  border-radius: 2px;
  transition: transform var(--duration-fast) var(--ease-out-expo),
    opacity var(--duration-fast);
}

.nav__toggle:checked ~ .nav__hamburger span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav__toggle:checked ~ .nav__hamburger span:nth-child(2) {
  opacity: 0;
}

.nav__toggle:checked ~ .nav__hamburger span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}