/* ===== Variables ===== */
:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #111118;
  --bg-card: #15151f;
  --bg-card-hover: #1a1a26;
  --accent: #d4a24e;
  --accent-dim: rgba(212,162,78,0.15);
  --accent-glow: rgba(212,162,78,0.3);
  --text-primary: #e4e4e8;
  --text-secondary: #8b8b9a;
  --text-muted: #55556a;
  --border: rgba(255,255,255,0.06);
  --border-hover: rgba(255,255,255,0.12);
  --sidebar-width: 320px;
  --radius: 12px;
  --radius-sm: 8px;
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
}

/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

/* ===== Custom Scrollbar ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--text-muted); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* ===== Custom Cursor ===== */
.cursor {
  width: 8px; height: 8px; background: var(--accent); border-radius: 50%;
  position: fixed; pointer-events: none; z-index: 9999;
  transform: translate(-50%,-50%); transition: transform 0.1s, opacity 0.3s;
  opacity: 0;
}
.cursor-follower {
  width: 36px; height: 36px; border: 1.5px solid var(--accent-glow); border-radius: 50%;
  position: fixed; pointer-events: none; z-index: 9998;
  transform: translate(-50%,-50%); transition: transform 0.25s cubic-bezier(0.2,1,0.2,1), width 0.3s, height 0.3s, opacity 0.3s;
  opacity: 0;
}
body:hover .cursor, body:hover .cursor-follower { opacity: 1; }
.cursor.hovering { transform: translate(-50%,-50%) scale(2.5); }
.cursor-follower.hovering { width: 50px; height: 50px; border-color: var(--accent); }

/* ===== Mobile Header ===== */
.mobile-header {
  display: none; position: fixed; top: 0; left: 0; right: 0; height: 60px;
  background: rgba(10,10,15,0.92); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  z-index: 1000; padding: 0 20px; align-items: center; justify-content: space-between;
  border-bottom: 1px solid var(--border);
}
.mobile-header__name { font-family: var(--font-heading); font-weight: 600; font-size: 1.1rem; }
.mobile-header__toggle {
  background: none; border: none; cursor: pointer; width: 28px; height: 20px;
  position: relative; display: flex; flex-direction: column; justify-content: space-between;
}
.mobile-header__toggle span {
  display: block; width: 100%; height: 2px; background: var(--text-primary);
  border-radius: 2px; transition: var(--transition);
}
.mobile-header__toggle.active span:nth-child(1) { transform: translateY(9px) rotate(45deg); }
.mobile-header__toggle.active span:nth-child(2) { opacity: 0; }
.mobile-header__toggle.active span:nth-child(3) { transform: translateY(-9px) rotate(-45deg); }

/* ===== Sidebar ===== */
.sidebar {
  position: fixed; left: 0; top: 0; bottom: 0; width: var(--sidebar-width);
  background: var(--bg-secondary); z-index: 100; display: flex; flex-direction: column;
  border-right: 1px solid var(--border); overflow: hidden;
}
.sidebar__bg {
  position: relative; width: 100%; height: 200px; overflow: hidden; flex-shrink: 0;
}
.sidebar__bg-img {
  width: 100%; height: 100%; object-fit: cover;
  filter: brightness(0.7) saturate(1.1);
}
.sidebar__bg-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 30%, var(--bg-secondary) 100%);
}
.sidebar__content {
  display: flex; flex-direction: column; align-items: center;
  padding: 0 24px 24px; flex: 1; margin-top: -60px; position: relative; z-index: 2;
}
.profile-photo-wrapper {
  position: relative; width: 120px; height: 120px; margin-bottom: 16px;
}
.profile-photo {
  width: 100%; height: 100%; border-radius: 50%; object-fit: cover;
  border: 3px solid var(--bg-secondary);
  box-shadow: 0 4px 24px rgba(0,0,0,0.5);
}
.profile-photo-ring {
  position: absolute; inset: -4px; border-radius: 50%;
  border: 2px solid var(--accent-glow);
  animation: ringPulse 3s ease-in-out infinite;
}
@keyframes ringPulse {
  0%, 100% { opacity: 0.5; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.04); }
}
.profile-name {
  font-family: var(--font-heading); font-size: 1.5rem; font-weight: 700;
  text-align: center; margin-bottom: 4px; letter-spacing: -0.02em;
}
.profile-subtitle {
  text-align: center; color: var(--accent); font-size: 0.85rem;
  font-weight: 500; height: 22px; margin-bottom: 12px;
}
.typing-cursor {
  animation: blink 0.8s step-end infinite; font-weight: 300; margin-left: 1px;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }

/* Sidebar Nav */
.sidebar__nav {
  width: 100%; display: flex; flex-direction: column; gap: 2px; margin-bottom: 28px;
}
.nav-link {
  display: flex; align-items: center; gap: 12px; padding: 10px 16px;
  border-radius: var(--radius-sm); font-size: 0.85rem; font-weight: 500;
  color: var(--text-secondary); transition: var(--transition); text-transform: uppercase;
  letter-spacing: 0.08em;
}
.nav-link:hover { color: var(--text-primary); background: rgba(255,255,255,0.03); }
.nav-link.active { color: var(--accent); }
.nav-link__indicator {
  width: 16px; height: 2px; background: var(--text-muted); border-radius: 1px;
  transition: var(--transition);
}
.nav-link:hover .nav-link__indicator { width: 24px; background: var(--text-secondary); }
.nav-link.active .nav-link__indicator { width: 28px; background: var(--accent); }

/* Sidebar Social */
.sidebar__social {
  display: flex; gap: 12px; margin-bottom: 20px;
}
.social-link {
  width: 40px; height: 40px; border-radius: 50%; display: flex; align-items: center;
  justify-content: center; color: var(--text-secondary); border: 1px solid var(--border);
  transition: var(--transition);
}
.social-link:hover {
  color: var(--accent); border-color: var(--accent); background: var(--accent-dim);
  transform: translateY(-2px);
}

/* Sidebar CTA */
.sidebar__actions {
  width: 100%; display: flex; flex-direction: column; align-items: center;
  gap: 10px; margin-top: auto;
}
.language-toggle {
  display: grid; grid-template-columns: 1fr 1fr; gap: 4px; width: min(160px, 100%);
  padding: 4px; border: 1px solid var(--border); border-radius: 999px;
  background: rgba(255,255,255,0.03);
}
.sidebar__profile .language-toggle {
  margin: 0 auto 28px;
}
button.language-toggle__option {
  appearance: none; -webkit-appearance: none;
  display: flex; align-items: center; justify-content: center;
  min-height: 32px; padding: 0; border: 0; border-radius: 999px; cursor: pointer;
  background: transparent; color: var(--text-secondary); font: inherit;
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.08em;
  transition: var(--transition);
}
button.language-toggle__option:hover,
button.language-toggle__option:focus-visible {
  color: var(--text-primary); outline: none;
}
button.language-toggle__option.active {
  background: var(--accent); color: var(--bg-primary);
  box-shadow: 0 4px 16px var(--accent-glow);
}
.sidebar__cta {
  display: flex; align-items: center; gap: 8px; padding: 10px 28px;
  border: 1px solid var(--accent); border-radius: 24px; color: var(--accent);
  font-size: 0.82rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.1em;
  transition: var(--transition);
}
.sidebar__cta:hover {
  background: var(--accent); color: var(--bg-primary); transform: translateY(-2px);
  box-shadow: 0 6px 24px var(--accent-glow);
}
.sidebar__cta--secondary {
  border-color: var(--border-hover); color: var(--text-secondary);
}
.sidebar__cta--secondary:hover {
  border-color: var(--accent); color: var(--bg-primary);
}

/* Sidebar Decor Lines */
.sidebar__decor {
  position: absolute; width: 60px; height: 60px; pointer-events: none;
}
.sidebar__decor--tl {
  top: 12px; left: 12px;
  border-top: 2px solid var(--accent-glow); border-left: 2px solid var(--accent-glow);
}
.sidebar__decor--br {
  bottom: 12px; right: 12px;
  border-bottom: 2px solid var(--accent-glow); border-right: 2px solid var(--accent-glow);
}

/* ===== Main Content ===== */
.main {
  margin-left: var(--sidebar-width); min-height: 100vh;
  padding: 60px 60px 40px;
}

/* ===== Section ===== */
.section { margin-bottom: 80px; }
.section__header { margin-bottom: 36px; }
.section__title {
  font-family: var(--font-heading); font-size: 1.9rem; font-weight: 700;
  letter-spacing: -0.02em; position: relative; display: inline-block;
}
.section__title--sub { font-size: 1.5rem; margin-top: 48px; }
.section__title-line {
  width: 40px; height: 3px; background: var(--accent); border-radius: 2px;
  margin-top: 10px;
}
.section__subheader { margin-bottom: 24px; }

/* ===== About ===== */
.about-text p {
  color: var(--text-secondary); font-size: 0.95rem; margin-bottom: 16px; max-width: 640px;
}
.about-text strong { color: var(--text-primary); font-weight: 600; }
.about-highlights {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(170px,1fr));
  gap: 12px; max-width: 720px; margin: 24px 0 4px;
}
.about-highlight {
  min-height: 112px; padding: 16px; border-radius: var(--radius-sm);
  background: linear-gradient(180deg, rgba(255,255,255,0.045), rgba(255,255,255,0.018));
  border: 1px solid var(--border);
}
.about-highlight__value {
  display: block; font-family: var(--font-heading); font-size: 1rem;
  font-weight: 700; color: var(--accent); margin-bottom: 6px;
}
.about-highlight__label {
  display: block; color: var(--text-secondary); font-size: 0.78rem;
  line-height: 1.55;
}
.about-details {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px,1fr));
  gap: 16px; margin-top: 28px;
}
.detail-card {
  display: flex; align-items: center; gap: 14px; padding: 18px 20px;
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  transition: var(--transition);
}
.detail-card:hover {
  border-color: var(--border-hover); background: var(--bg-card-hover);
  transform: translateY(-2px);
}
.detail-card__icon { color: var(--accent); flex-shrink: 0; }
.detail-card__label { display: block; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-muted); margin-bottom: 2px; }
.detail-card__value { font-size: 0.88rem; font-weight: 500; }
.detail-card__value--link { color: var(--accent); }
.detail-card__value--link:hover { text-decoration: underline; }

/* ===== Skills ===== */
.skills-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px,1fr)); gap: 24px;
}
.skill-category {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px; transition: var(--transition);
}
.skill-category:hover { border-color: var(--border-hover); transform: translateY(-2px); }
.skill-category__title {
  font-family: var(--font-heading); font-size: 1rem; font-weight: 600;
  display: flex; align-items: center; gap: 10px; margin-bottom: 20px; color: var(--text-primary);
}
.skill-category__title svg { color: var(--accent); }
.skill-list { display: flex; flex-direction: column; gap: 10px; }
.skill-item {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  min-height: 42px; padding: 10px 12px; border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.025); border: 1px solid rgba(255,255,255,0.045);
  color: var(--text-secondary); font-size: 0.8rem;
}
.skill-level {
  flex-shrink: 0; padding: 3px 8px; border-radius: 4px;
  font-size: 0.66rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.05em; border: 1px solid transparent;
}
.skill-level--strong {
  color: var(--accent); background: var(--accent-dim); border-color: rgba(212,162,78,0.18);
}
.skill-level--experienced {
  color: #8fc4ff; background: rgba(91,155,213,0.12); border-color: rgba(91,155,213,0.22);
}
.skill-level--hands-on {
  color: #8fc4ff; background: rgba(91,155,213,0.12); border-color: rgba(91,155,213,0.22);
}
.skill-level--functional {
  color: #b9b9c8; background: rgba(255,255,255,0.06); border-color: rgba(255,255,255,0.08);
}
.skill-tools {
  display: grid; grid-template-columns: 1fr 1fr; gap: 6px; margin-top: 18px;
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  overflow: hidden; background: rgba(255,255,255,0.03); padding: 6px;
  aspect-ratio: 16 / 8;
}
.skill-tools__image {
  width: 100%; height: 100%; object-fit: cover;
  border-radius: calc(var(--radius-sm) - 3px);
  transition: transform var(--transition), filter var(--transition);
}
.skill-category:hover .skill-tools__image {
  transform: scale(1.03); filter: saturate(1.08);
}

/* ===== Projects ===== */
.projects-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(300px,1fr)); gap: 20px;
}
.project-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px; transition: var(--transition); position: relative; overflow: hidden;
}
.project-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--accent, #d4a24e), transparent);
  opacity: 0; transition: opacity var(--transition);
}
.project-card:hover {
  border-color: var(--border-hover); transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.3);
}
.project-card:hover::before { opacity: 1; }
.project-card__header {
  display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 16px;
}
.project-card__icon { color: var(--accent, #d4a24e); }
.project-card__number {
  font-family: var(--font-heading); font-size: 2.5rem; font-weight: 800;
  color: rgba(255,255,255,0.04); line-height: 1;
}
.project-card__title {
  font-family: var(--font-heading); font-size: 1.15rem; font-weight: 600;
  margin-bottom: 10px;
}
.project-card__desc {
  font-size: 0.85rem; color: var(--text-secondary); line-height: 1.7; margin-bottom: 16px;
}
.project-card__media {
  margin-bottom: 16px; border-radius: var(--radius-sm); overflow: hidden;
  border: 1px solid var(--border); background: rgba(255,255,255,0.03);
  aspect-ratio: 4 / 3;
}
.project-card__media--split {
  display: grid; grid-template-columns: 1fr 1fr; gap: 6px; padding: 6px;
}
.project-card__media--mosaic {
  display: grid; grid-template-columns: 1fr 1fr; grid-template-rows: 2fr 1fr;
  gap: 6px; padding: 6px;
}
.project-card__media--triptych {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; padding: 6px;
  aspect-ratio: 16 / 7;
}
.project-card__image {
  width: 100%; height: 100%; object-fit: cover;
  border-radius: calc(var(--radius-sm) - 3px);
  transition: transform var(--transition), filter var(--transition);
}
.project-card__image--wide {
  grid-column: 1 / -1;
}
.project-card:hover .project-card__image {
  transform: scale(1.03); filter: saturate(1.08);
}
.project-card__image,
.skill-tools__image,
.profile-photo {
  cursor: zoom-in;
}
.project-card__image:focus-visible,
.skill-tools__image:focus-visible,
.profile-photo:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 3px;
}
.project-card__tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tag {
  padding: 4px 10px; font-size: 0.7rem; font-weight: 500; text-transform: uppercase;
  letter-spacing: 0.05em; border-radius: 4px; color: var(--accent);
  background: var(--accent-dim); border: 1px solid rgba(212,162,78,0.1);
}

/* ===== Image Lightbox ===== */
.image-lightbox {
  position: fixed; inset: 0; z-index: 3000; display: grid; place-items: center;
  padding: 28px; background: rgba(5,5,9,0.86);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  opacity: 0; pointer-events: none; transition: opacity var(--transition);
}
.image-lightbox.active { opacity: 1; pointer-events: auto; }
.image-lightbox__dialog {
  width: min(1100px, 100%); max-height: 92vh; display: grid; gap: 12px;
}
.image-lightbox__image {
  width: 100%; max-height: 82vh; object-fit: contain; border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.04); border: 1px solid var(--border);
  box-shadow: 0 24px 80px rgba(0,0,0,0.55);
}
.image-lightbox__caption {
  color: var(--text-secondary); font-size: 0.86rem; text-align: center;
}
.image-lightbox__close {
  position: fixed; top: 18px; right: 18px; width: 44px; height: 44px;
  border-radius: 50%; border: 1px solid var(--border-hover); background: var(--bg-card);
  color: var(--text-primary); font-size: 1.6rem; line-height: 1; cursor: pointer;
  transition: var(--transition);
}
.image-lightbox__close:hover,
.image-lightbox__close:focus-visible {
  border-color: var(--accent); color: var(--accent); transform: scale(1.04);
  outline: none;
}

/* ===== Timeline ===== */
.timeline { position: relative; padding-left: 36px; margin-bottom: 16px; }
.timeline__line {
  position: absolute; left: 7px; top: 8px; bottom: 8px; width: 2px;
  background: var(--border);
}
.timeline__item { position: relative; margin-bottom: 28px; }
.timeline__item:last-child { margin-bottom: 0; }
.timeline__dot {
  position: absolute; left: -36px; top: 8px; width: 16px; height: 16px;
  border-radius: 50%; background: var(--bg-secondary); border: 3px solid var(--accent);
  z-index: 1;
}
.timeline__dot--education { border-color: #5b9bd5; }
.timeline__card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 22px 24px; transition: var(--transition);
}
.timeline__card:hover { border-color: var(--border-hover); transform: translateX(4px); }
.timeline__date {
  display: inline-block; font-size: 0.72rem; text-transform: uppercase;
  letter-spacing: 0.08em; color: var(--accent); font-weight: 600;
  background: var(--accent-dim); padding: 3px 10px; border-radius: 4px; margin-bottom: 10px;
}
.timeline__title {
  font-family: var(--font-heading); font-size: 1.05rem; font-weight: 600; margin-bottom: 4px;
}
.timeline__company { font-size: 0.82rem; color: var(--text-secondary); display: block; margin-bottom: 12px; }
.timeline__details li {
  font-size: 0.83rem; color: var(--text-secondary); padding-left: 16px; position: relative;
  margin-bottom: 6px;
}
.timeline__details li::before {
  content: ''; position: absolute; left: 0; top: 9px; width: 5px; height: 5px;
  border-radius: 50%; background: var(--accent-glow);
}

/* ===== Contact ===== */
.contact-text {
  color: var(--text-secondary); font-size: 0.95rem; max-width: 540px; margin-bottom: 28px;
}
.contact-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.contact-btn {
  display: inline-flex; align-items: center; gap: 10px; padding: 14px 28px;
  border-radius: var(--radius-sm); font-size: 0.85rem; font-weight: 600;
  transition: var(--transition); letter-spacing: 0.02em;
}
.contact-btn--primary {
  background: var(--accent); color: var(--bg-primary);
}
.contact-btn--primary:hover {
  background: #e0b35e; transform: translateY(-2px);
  box-shadow: 0 8px 28px var(--accent-glow);
}
.contact-btn--secondary {
  background: var(--bg-card); color: var(--text-primary); border: 1px solid var(--border);
}
.contact-btn--secondary:hover {
  border-color: var(--accent); color: var(--accent); transform: translateY(-2px);
}

/* ===== Footer ===== */
.footer {
  text-align: center; padding: 32px 0; color: var(--text-muted); font-size: 0.75rem;
  border-top: 1px solid var(--border); margin-top: 40px;
}

/* ===== Reveal Animations ===== */
.reveal {
  opacity: 0; transform: translateY(30px);
  transition: opacity 0.7s cubic-bezier(0.4,0,0.2,1), transform 0.7s cubic-bezier(0.4,0,0.2,1);
  transition-delay: var(--delay, 0s);
}
.reveal.active { opacity: 1; transform: translateY(0); }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .main { padding: 60px 36px 40px; }
}
@media (max-width: 768px) {
  .mobile-header { display: flex; }
  .sidebar {
    transform: translateX(-100%); transition: transform 0.4s cubic-bezier(0.4,0,0.2,1);
    z-index: 999; width: 280px;
  }
  .sidebar.open { transform: translateX(0); }
  .main { margin-left: 0; padding: 80px 20px 40px; }
  .skills-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .about-details { grid-template-columns: 1fr; }
  .about-highlights { grid-template-columns: 1fr; }
  .project-card__media--triptych {
    grid-template-columns: 1fr; aspect-ratio: auto;
  }
  .project-card__media--triptych .project-card__image { min-height: 150px; }
  .image-lightbox { padding: 16px; }
  .cursor, .cursor-follower { display: none !important; }
}

/* Backdrop for mobile menu */
.sidebar-backdrop {
  display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.6);
  z-index: 998; opacity: 0; transition: opacity 0.3s;
}
.sidebar-backdrop.active { display: block; opacity: 1; }