:root {
  --bg:           #070b10;
  --bg-2:         #0c1219;
  --panel:        #101821;
  --panel-2:      #14202c;
  --border:       #1e2b38;
  --border-2:     #2a3d4d;

  --text:         #e8eef5;
  --text-dim:     #8ba0b3;
  --text-mute:    #5c7288;

  --accent:       #0CBFA1;
  --accent-2:     #148C9C;
  --accent-soft:  rgba(12, 191, 161, .12);
  --accent-glow:  rgba(12, 191, 161, .35);
  --danger:       #ff5c5c;

  --radius:       16px;
  --radius-lg:    22px;
  --transition:   .25s cubic-bezier(.4, 0, .2, 1);

  --container:    1200px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--accent); color: #04120e; }

a { color: inherit; text-decoration: none; }

img { max-width: 100%; display: block; }

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
  border-radius: 4px;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    radial-gradient(circle at 15% 20%, rgba(12, 191, 161, .08), transparent 40%),
    radial-gradient(circle at 85% 70%, rgba(20, 140, 156, .06), transparent 45%);
  pointer-events: none;
  z-index: -1;
}

/* ===== NAV ===== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 68px;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(7, 11, 16, .75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  z-index: 100;
  transition: border-color var(--transition), background var(--transition);
}
.nav--scrolled {
  border-bottom-color: var(--border);
  background: rgba(7, 11, 16, .92);
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: -.02em;
}
.nav__logo-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent-glow);
}

.nav__links {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  gap: 32px;
}
.nav__links a {
  font-size: .93rem;
  font-weight: 500;
  color: var(--text-dim);
  position: relative;
  transition: color var(--transition);
}
.nav__links a::after {
  content: '';
  position: absolute;
  left: 0; bottom: -6px;
  width: 0; height: 2px;
  background: var(--accent);
  transition: width var(--transition);
}
.nav__links a:hover { color: var(--text); }
.nav__links a:hover::after { width: 100%; }

.nav__toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  font-size: 1.4rem;
  cursor: pointer;
}

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 100px 32px 10px;
}
.hero__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(60% 50% at 20% 30%, rgba(12, 191, 161, .10), transparent 70%),
    radial-gradient(50% 40% at 80% 70%, rgba(20, 140, 156, .08), transparent 70%);
  pointer-events: none;
}
.hero__content {
  position: relative;
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 64px;
  align-items: center;
  max-width: var(--container);
  width: 100%;
}
.hero__photo {
  position: relative;
  aspect-ratio: 1;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 2px solid var(--border-2);
  box-shadow: 0 30px 80px rgba(0, 0, 0, .6);
  background: linear-gradient(135deg, var(--panel), var(--panel-2));
}
.hero__photo::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, transparent 40%, rgba(12, 191, 161, .15));
  pointer-events: none;
  z-index: 2;
}
.hero__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  font-size: .82rem;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid rgba(12, 191, 161, .3);
  border-radius: 999px;
  margin-bottom: 20px;
}
.hero__badge .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: .6; transform: scale(.85); }
}

.hero__name {
  font-size: clamp(2.6rem, 6vw, 4.2rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -.035em;
  margin-bottom: 16px;
}

.hero__role {
  font-family: 'JetBrains Mono', monospace;
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--accent);
  margin-bottom: 20px;
  min-height: 1.6em;
}
.hero__role .cursor {
  display: inline-block;
  animation: blink 1s steps(1) infinite;
  color: var(--accent);
}
@keyframes blink {
  50% { opacity: 0; }
}

.hero__desc {
  font-size: 1.05rem;
  color: var(--text-dim);
  max-width: 560px;
  margin-bottom: 28px;
}

.hero__actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 26px;
  font-size: .95rem;
  font-weight: 600;
  border-radius: 12px;
  cursor: pointer;
  transition: transform var(--transition), background var(--transition), border-color var(--transition);
  border: 1px solid transparent;
}
.btn--primary {
  background: var(--accent);
  color: #04120e;
  box-shadow: 0 8px 28px rgba(12, 191, 161, .25);
}
.btn--primary:hover { transform: translateY(-2px); }
.btn--ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border-2);
}
.btn--ghost:hover { border-color: var(--accent); color: var(--accent); }

.hero__socials {
  display: flex;
  gap: 14px;
}
.hero__socials a {
  width: 42px; height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--text-dim);
  font-size: 1.1rem;
  transition: all var(--transition);
}
.hero__socials a:hover {
  color: var(--accent);
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(12, 191, 161, .2);
}

/* ===== SECTION ===== */
.section {
  padding: 30px 32px;
  max-width: var(--container);
  margin: 0 auto;
}
#about { padding-top: 60px; }

.section__head {
  display: flex;
  align-items: baseline;
  gap: 20px;
  margin-bottom: 60px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}
.section__num {
  font-family: 'JetBrains Mono', monospace;
  font-size: .9rem;
  color: var(--accent);
  font-weight: 500;
}
.section__title {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -.02em;
}

/* ===== ABOUT ===== */
.about {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: start;
}
.about__text {
  max-width: 880px;
}
.about__text p {
  color: var(--text-dim);
  font-size: 1.05rem;
  margin-bottom: 18px;
}
.about__text p:last-child { margin-bottom: 32px; }
.about__facts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.fact {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color var(--transition), transform var(--transition);
}
.fact:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}
.fact i {
  font-size: 1.3rem;
  color: var(--accent);
  flex-shrink: 0;
}
.fact strong {
  display: block;
  font-size: .95rem;
  font-weight: 600;
}
.fact span {
  display: block;
  font-size: .8rem;
  color: var(--text-mute);
}

/* ===== STACK ===== */
.stack {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}
.stack__group {
  padding: 28px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition), transform var(--transition);
}
.stack__group:hover {
  border-color: var(--border-2);
  transform: translateY(-3px);
}
.stack__group h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 18px;
  color: var(--text);
}
.stack__group h3 i { color: var(--accent); }
.stack__items {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.chip {
  padding: 6px 12px;
  font-size: .82rem;
  font-weight: 500;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-dim);
  transition: all var(--transition);
}
.chip:hover {
  color: var(--accent);
  border-color: var(--accent);
}

/* ===== PROJECTS ===== */
.projects { display: flex; flex-direction: column; gap: 32px; }
.projects__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

.project {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.project:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: 0 20px 50px rgba(0, 0, 0, .5), 0 0 0 1px rgba(12, 191, 161, .2);
}

.project__image {
  position: relative;
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, var(--panel-2), var(--bg-2));
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}
.project__image img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
}

.project__body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  flex: 1;
}

.project__meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: .78rem;
  font-weight: 600;
}
.project__category {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: .08em;
}
.project__year { color: var(--text-mute); }

.project__title {
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: -.01em;
  line-height: 1.25;
}

.project__desc {
  color: var(--text-dim);
  font-size: .93rem;
  line-height: 1.55;
  flex: 1;
}

.project__stack {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.project__stack span {
  font-size: .75rem;
  padding: 4px 10px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-mute);
  font-weight: 500;
}

.project__links {
  display: flex;
  gap: 16px;
  padding-top: 8px;
  border-top: 1px solid var(--border);
  margin-top: 4px;
  flex-wrap: wrap;
}
.project__links a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: .88rem;
  font-weight: 600;
  color: var(--accent);
  transition: color var(--transition), transform var(--transition);
}
.project__links a:hover {
  transform: translateX(3px);
  color: var(--text);
}

.project--featured {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  min-height: 380px;
}
.project--featured .project__image {
  aspect-ratio: auto;
  border-bottom: none;
  border-right: 1px solid var(--border);
}
.project--featured .project__body { padding: 40px; gap: 18px; }
.project--featured .project__title { font-size: 1.9rem; }
.project--featured .project__desc { font-size: 1rem; }

/* ===== CONTACT ===== */
.contact__lead {
  font-size: 1.1rem;
  color: var(--text-dim);
  margin-bottom: 40px;
  max-width: 620px;
}
.contact__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}
.contact__card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 26px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all var(--transition);
}
.contact__card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, .45);
}
.contact__card i {
  font-size: 1.5rem;
  color: var(--accent);
  margin-bottom: 8px;
}
.contact__label {
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--text-mute);
  font-weight: 600;
}
.contact__value {
  font-size: .98rem;
  font-weight: 600;
  color: var(--text);
  word-break: break-word;
}

/* ===== FOOTER ===== */
.footer {
  padding: 40px 32px;
  text-align: center;
  color: var(--text-mute);
  font-size: .9rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

/* ===== REVEAL ===== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s cubic-bezier(.4, 0, .2, 1), transform .7s cubic-bezier(.4, 0, .2, 1);
}
.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ===== HERO BADGES ===== */
.hero__badges {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.hero__badge--rank {
  background: rgba(255, 215, 0, .1);
  border-color: rgba(255, 215, 0, .35);
  color: #ffd700;
}
.hero__badge--rank i {
  font-size: .85rem;
}

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; }
  *, *::before, *::after { animation-duration: .01ms !important; }
}

/* ===== EXPERIENCE / EDUCATION ===== */
.experience {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding-left: 32px;
}

.experience::before {
  content: '';
  position: absolute;
  left: 10px;
  top: 12px;
  bottom: 12px;
  width: 2px;
  background: linear-gradient(180deg, var(--accent) 0%, transparent 100%);
  border-radius: 2px;
  opacity: .5;
}

.exp {
  position: relative;
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 24px;
  padding: 28px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition), transform var(--transition);
}
.exp:hover {
  border-color: var(--accent);
  transform: translateX(4px);
}

.exp::before {
  content: '';
  position: absolute;
  left: -32px;
  top: 42px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  border: 3px solid var(--bg);
  box-shadow: 0 0 14px var(--accent-glow);
}

.exp__logo {
  width: 96px;
  height: 96px;
  border-radius: 16px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  flex-shrink: 0;
}
.exp__logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 12px;
}

.exp__body {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
}

.exp__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.exp__company {
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--text);
}

.exp__date {
  font-family: 'JetBrains Mono', monospace;
  font-size: .85rem;
  color: var(--accent);
  padding: 4px 10px;
  background: var(--accent-soft);
  border: 1px solid rgba(12, 191, 161, .3);
  border-radius: 8px;
  white-space: nowrap;
}

.exp__role {
  font-size: .95rem;
  font-weight: 600;
  color: var(--accent);
}

.exp__desc {
  font-size: .93rem;
  color: var(--text-dim);
  line-height: 1.55;
}

.exp__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 6px;
}
.exp__tags span {
  font-size: .75rem;
  padding: 4px 10px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-mute);
  font-weight: 500;
}

.exp__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
  font-size: .85rem;
  font-weight: 600;
  color: var(--accent);
  padding: 8px 14px;
  background: var(--accent-soft);
  border: 1px solid rgba(12, 191, 161, .3);
  border-radius: 8px;
  width: fit-content;
  transition: all var(--transition);
}
.exp__link:hover {
  background: var(--accent);
  color: #04120e;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px var(--accent-glow);
}

/* ===== MEDIA 960 ===== */
@media (max-width: 960px) {
  .nav { padding: 0 20px; }

  .nav__links {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 68px;
    transform: none;
    flex-direction: column;
    padding: 20px 24px;
    background: var(--bg-2);
    border-bottom: 1px solid var(--border);
    gap: 16px;
  }
  .nav__links.open { display: flex; }
  .nav__toggle { display: block; }

  .hero { padding: 110px 20px 80px; }
  .hero__content {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }
  .hero__photo { max-width: 260px; margin: 0 auto; }
  .hero__actions, .hero__socials { justify-content: center; }
  .hero__desc { margin-inline: auto; }

  .section { padding: 80px 20px; }
  .about { grid-template-columns: 1fr; gap: 40px; }
  .about__facts { grid-template-columns: 1fr; }

  .project--featured { grid-template-columns: 1fr; }
  .project--featured .project__image {
    aspect-ratio: 16 / 9;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
  .project--featured .project__body { padding: 28px; }
  .project--featured .project__title { font-size: 1.5rem; }
}

/* ===== MEDIA 720 ===== */
@media (max-width: 720px) {
  .experience { padding-left: 0; }
  .experience::before { display: none; }
  .exp {
    grid-template-columns: 1fr;
    padding: 22px;
  }
  .exp::before { display: none; }
  .exp__logo {
    width: 72px;
    height: 72px;
  }
}

/* ===== MEDIA 480 ===== */
@media (max-width: 480px) {
  .hero__name { font-size: 2.4rem; }
  .btn { padding: 12px 20px; font-size: .9rem; }
}

/* ===== PRINT ===== */
@media print {
  :root {
    --bg: #ffffff;
    --bg-2: #f5f7fa;
    --panel: #ffffff;
    --panel-2: #f0f3f7;
    --border: #d5dce5;
    --border-2: #b8c2cf;
    --text: #14181d;
    --text-dim: #3d4a58;
    --text-mute: #6b7a8a;
    --accent: #0a8f7a;
    --accent-soft: rgba(10, 143, 122, .08);
    --accent-glow: rgba(10, 143, 122, .2);
  }

  body::before { display: none; }

  .project,
  .exp,
  .stack__group,
  .fact,
  .contact__card,
  .hero,
  .section__head,
  .about__facts,
  .projects__grid > * {
    break-inside: avoid;
    page-break-inside: avoid;
  }

  .section__head {
    break-after: avoid;
    page-break-after: avoid;
  }

  h1, h2, h3, h4 {
    break-after: avoid;
    page-break-after: avoid;
    break-inside: avoid;
  }

  .reveal { opacity: 1 !important; transform: none !important; }
  * { animation: none !important; transition: none !important; }
  .hero__role .cursor { display: none; }

  .nav {
    position: static !important;
    background: none !important;
    backdrop-filter: none !important;
    border-bottom: 1px solid var(--border);
  }
  .nav__toggle { display: none !important; }
  .nav__links {
    display: flex !important;
    position: static !important;
    transform: none !important;
    flex-direction: row !important;
    background: none !important;
    padding: 0 !important;
  }

  .project, .exp, .fact, .contact__card, .stack__group {
    box-shadow: none !important;
  }
  .project:hover, .exp:hover, .fact:hover { transform: none !important; }

  .section { padding: 24px 0; }
  .section__head { margin-bottom: 24px; padding-bottom: 12px; }
  .hero { padding: 20px 0; min-height: auto; }

  p, li { orphans: 3; widows: 3; }

  .footer { break-before: avoid; page-break-before: avoid; }

  #stack,
  #contact {
    break-before: page;
    page-break-before: always;
  }
}