/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:      #f4f4f3;
  --black:   #000;
  --accent:  rgb(236, 92, 57);
  --muted:   #888;
  --border:  rgba(0,0,0,0.1);
  --ease:    cubic-bezier(0.16, 1, 0.3, 1);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Raleway', sans-serif;
  background: var(--bg);
  color: var(--black);
  overflow-x: hidden;
  font-size: 1.23rem; /* ~19.7px */
  font-weight: 500;
  line-height: 1.5;
}

/* ===== HEADER / NAV ===== */
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 3rem;
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s;
}
header.bordered { border-bottom-color: var(--border); }

.nav-avatar {
  width: 46px; height: 46px;
  border-radius: 50%;
  background: var(--black);
  color: var(--bg);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  letter-spacing: 0.04em;
  flex-shrink: 0;
  user-select: none;
}

nav {
  display: flex;
  align-items: center;
  gap: 2.2rem;
}

nav a {
  font-family: 'Raleway', sans-serif;
  font-size: 1.23rem;
  font-weight: 500;
  color: var(--black);
  text-decoration: none;
  position: relative;
  transition: color 0.2s;
}

nav a::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 0; height: 1.5px;
  background: var(--black);
  transition: width 0.25s var(--ease);
}
nav a:hover::after { width: 100%; }

.lang-btn {
  font-family: 'Raleway', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  background: none;
  border: 1.5px solid var(--black);
  color: var(--black);
  padding: 0.25rem 0.65rem;
  border-radius: 4px;
  cursor: pointer;
  letter-spacing: 0.04em;
  transition: background 0.2s, color 0.2s;
}
.lang-btn:hover { background: var(--black); color: var(--bg); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--black);
  border-radius: 2px;
  transition: all 0.3s var(--ease);
}

/* mobile nav */
.mobile-nav {
  display: none;
  flex-direction: column;
  gap: 1.5rem;
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 99;
  justify-content: center;
  align-items: center;
  font-size: 1.5rem;
}
.mobile-nav.open { display: flex; }
.mobile-nav a { color: var(--black); text-decoration: none; font-weight: 500; }
.lang-btn-mob {
  font-family: 'Raleway', sans-serif;
  font-size: 1rem;
  background: none;
  border: 1.5px solid var(--black);
  padding: 0.3rem 0.8rem;
  border-radius: 4px;
  cursor: pointer;
  margin-top: 0.5rem;
}

/* ===== ORBIT HERO ===== */
.hero {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - 79px);
  padding: 2rem;
}

.orbit-container {
  width: 100%;
  max-width: 600px;
  height: 350px;
  position: relative;
}

.orbit-track {
  position: absolute;
  top: 50%; left: 50%;
  width: 85%; height: 65%;
  transform: translate(-50%, -50%);
  border: 1px solid rgba(140,140,160,0.18);
  border-radius: 50%;
  pointer-events: none;
}

.center-text {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  font-family: 'Fira Code', monospace;
  font-size: clamp(16px, 3.5vw, 26px);
  font-weight: 600;
  white-space: nowrap;
  z-index: 10;
  color: var(--black);
  pointer-events: none;
  user-select: none;
}
.center-text .bracket { color: var(--black); opacity: 0.5; }

.orbiter {
  position: absolute;
  top: 50%; left: 50%;
  width: 44px; height: 44px;
  margin: -22px 0 0 -22px;
  animation: orbit 15s linear infinite;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
}

.orb-icon {
  font-size: 1.4rem;
  line-height: 1;
  filter: drop-shadow(0 2px 6px rgba(0,0,0,0.15));
  transition: transform 0.2s, filter 0.2s;
}
.orbiter:hover .orb-icon {
  transform: scale(1.25);
  filter: drop-shadow(0 4px 10px rgba(0,0,0,0.25));
}

.orb-label {
  font-family: 'Raleway', sans-serif;
  font-size: 0.52rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--muted);
  white-space: nowrap;
  text-align: center;
}

@keyframes orbit {
  0%   { transform: rotate(0deg)   translate(min(42vw, 240px), 0) scaleY(0.55) rotate(0deg)    scaleY(1.82) scale(0.7);  z-index: 1;  filter: brightness(0.65); }
  25%  { transform: rotate(90deg)  translate(min(42vw, 240px), 0) scaleY(0.55) rotate(-90deg)  scaleY(1.82) scale(1);    z-index: 5;  filter: brightness(1); }
  50%  { transform: rotate(180deg) translate(min(42vw, 240px), 0) scaleY(0.55) rotate(-180deg) scaleY(1.82) scale(1.15); z-index: 10; filter: brightness(1.05); }
  75%  { transform: rotate(270deg) translate(min(42vw, 240px), 0) scaleY(0.55) rotate(-270deg) scaleY(1.82) scale(1);    z-index: 5;  filter: brightness(1); }
  100% { transform: rotate(360deg) translate(min(42vw, 240px), 0) scaleY(0.55) rotate(-360deg) scaleY(1.82) scale(0.7);  z-index: 1;  filter: brightness(0.65); }
}

/* ===== ABOUT PHOTO ===== */
.about-photo {
  width: 100%;
  max-width: 200px;
  aspect-ratio: 1;
  border-radius: 50%;
  object-fit: cover;
  margin-top: 2rem;
  display: block;
}

/* ===== SECTIONS — 2-COL LAYOUT ===== */
.section {
  padding: 5rem 3rem;
}

.section-inner {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 3rem;
  max-width: 1100px;
  margin: 0 auto;
  align-items: start;
}

.section-left {
  position: sticky;
  top: 100px;
}

.section-heading {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2.84rem; /* 45.5px */
  font-weight: 500;
  line-height: 1.12;
  color: var(--black);
}

.section-right {
  display: flex;
  flex-direction: column;
}

/* ===== EXPERIENCE ITEMS ===== */
.exp-item {
  padding: 2.2rem 0;
  border-bottom: 1px solid var(--border);
}
.exp-item:first-child { padding-top: 0; }
.exp-item.exp-placeholder { border-bottom: none; }

.exp-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 0.5rem;
}

.exp-role {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.68rem;
  font-weight: 500;
  line-height: 1.2;
  color: var(--black);
}

.exp-date {
  font-family: 'Raleway', sans-serif;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--muted);
  white-space: nowrap;
  padding-top: 0.3rem;
  flex-shrink: 0;
}

.exp-org {
  font-family: 'Raleway', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 0.8rem;
}

.exp-desc {
  font-family: 'Raleway', sans-serif;
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--black);
  line-height: 1.6;
  margin-top: 0.5rem;
}

.award-line {
  color: var(--accent);
  font-weight: 600;
  font-size: 0.95rem;
  margin-top: 0.4rem;
}

.exp-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 1rem;
}

.tag-sm {
  font-family: 'Raleway', sans-serif;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--muted);
  border: 1px solid var(--border);
  padding: 0.15rem 0.6rem;
  border-radius: 3px;
  letter-spacing: 0.02em;
}

/* ===== ABOUT SPECIFIC ===== */
.body-text {
  font-family: 'Raleway', sans-serif;
  font-size: 1.23rem;
  font-weight: 500;
  line-height: 1.65;
  color: var(--black);
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag {
  font-family: 'Raleway', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--muted);
  border: 1px solid rgba(0,0,0,0.15);
  padding: 0.25rem 0.75rem;
  border-radius: 4px;
  letter-spacing: 0.02em;
  transition: color 0.2s, border-color 0.2s;
}
.tag:hover { color: var(--black); border-color: var(--black); }

.text-link {
  font-family: 'Raleway', sans-serif;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1.5px solid transparent;
  padding-bottom: 1px;
  transition: border-color 0.2s;
}
.text-link:hover { border-bottom-color: var(--accent); }

.about-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.8rem;
  align-items: center;
}

/* ===== DIVIDER ===== */
.divider {
  width: calc(100% - 6rem);
  max-width: 1100px;
  margin: 0 auto;
  height: 1px;
  background: var(--border);
}

/* ===== FOOTER ===== */
footer {
  background: #eeeeed;
  padding: 4rem 3rem;
  margin-top: 4rem;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 2rem;
}

.footer-name {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2.84rem;
  font-weight: 500;
  color: var(--accent);
  line-height: 1;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  align-items: flex-end;
}

.footer-links a {
  font-family: 'Raleway', sans-serif;
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--accent);
  text-decoration: none;
  transition: opacity 0.2s;
}
.footer-links a:hover { opacity: 0.7; }

/* ===== SCROLL REVEAL ===== */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.75s var(--ease), transform 0.75s var(--ease);
}
.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

/* ===== MOBILE ===== */
@media (max-width: 860px) {
  header { padding: 1rem 1.5rem; }
  nav { display: none; }
  .hamburger { display: flex; }

  .hero { min-height: 60vh; }
  .orbit-container { height: 280px; }

  .section { padding: 3.5rem 1.5rem; }
  .section-inner { grid-template-columns: 1fr; gap: 1.5rem; }
  .section-left { position: static; }
  .about-photo { max-width: 120px; margin-top: 1rem; }
  .section-heading { font-size: 2rem; }

  .divider { width: calc(100% - 3rem); }

  footer { padding: 3rem 1.5rem; }
  .footer-inner { flex-direction: column; }
  .footer-links { align-items: flex-start; }
  .footer-name { font-size: 2rem; }
}

@media (max-width: 480px) {
  .exp-top { flex-direction: column; gap: 0.25rem; }
  .exp-role { font-size: 1.3rem; }
  .exp-date { padding-top: 0; }
}