/* Layout & Structure */
body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  background-image:
    radial-gradient(circle, rgba(37, 99, 235, 0.07) 2px, transparent 5px);
  background-size: 28px 28px;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.section {
  padding: var(--space-20) 0;
  position: relative;
}

.section-alt {
  background: rgba(243, 244, 246, 0.85);
}

/* Faint atmospheric washes — soft color pools behind select sections */
#about,
#contact {
  overflow: hidden;
}

#about::before {
  content: '';
  position: absolute;
  top: -10%;
  right: -15%;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(233, 31, 179, 0.03) 0%, transparent 70%);
  pointer-events: none;
  z-index: -1;
}

#contact::before {
  content: '';
  position: absolute;
  bottom: -10%;
  left: -10%;
  width: 450px;
  height: 450px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.04) 0%, transparent 70%);
  pointer-events: none;
  z-index: -1;
}

/* ----- Header ----- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  z-index: 1000;
  background: rgba(250, 250, 250, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav-links {
  display: flex;
  gap: var(--space-8);
}

.nav-toggle {
  display: none;
}

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

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.05) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  max-width: 700px;
}

/* ----- About ----- */
.about-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: var(--space-12);
  align-items: start;
  margin-top: var(--space-10);
}

.about-text {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

/* ----- Timeline ----- */
.timeline {
  position: relative;
  margin-top: var(--space-10);
  padding: var(--space-4) 0;
}

/* Vertical center line */
.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  background: linear-gradient(to bottom, var(--color-primary), var(--color-border));
}

.timeline-item {
  position: relative;
  width: 50%;
  padding: var(--space-4);
}

.timeline-item[data-position="left"] {
  padding-right: var(--space-12);
  text-align: right;
}

.timeline-item[data-position="right"] {
  margin-left: 50%;
  padding-left: var(--space-12);
}

/* ----- Projects ----- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-8);
  margin-top: var(--space-10);
}

/* ----- Contact ----- */
.contact-intro {
  max-width: 600px;
  margin: var(--space-4) auto 0;
  text-align: center;
  color: var(--color-text-muted);
}

.contact-form {
  max-width: 550px;
  margin: var(--space-10) auto 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.contact-socials {
  display: flex;
  justify-content: center;
  gap: var(--space-6);
  margin-top: var(--space-10);
}

/* ----- Experience CTA ----- */
.experience-cta-content {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

/* ----- Timeline Page Hero ----- */
.timeline-hero {
  padding-top: calc(var(--header-height) + var(--space-16));
  padding-bottom: var(--space-10);
  text-align: center;
}

/* ----- Footer ----- */
.footer {
  text-align: center;
  padding: var(--space-8) 0;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  border-top: 1px solid var(--color-border);
}