/* ============================================
   Carlos Buosi — Personal Site
   Aesthetic: Dark Luxury / Editorial Tech
   ============================================ */

:root {
  --bg-deep:    #05060f;
  --bg-dark:    #090b18;
  --bg-mid:     #0d1025;
  --bg-card:    #101428;
  --bg-card2:   #131729;
  --gold:       #c9a84c;
  --gold-light: #e0c26e;
  --gold-dim:   rgba(201,168,76,0.15);
  --text:       #e8e4d8;
  --text-muted: #8a8a9a;
  --text-dim:   #555570;
  --border:     rgba(201,168,76,0.18);
  --border-dim: rgba(255,255,255,0.06);
  --ff-display: 'Cormorant Garamond', Georgia, serif;
  --ff-body:    'Outfit', sans-serif;
  --ff-mono:    'DM Mono', monospace;
  --radius:     16px;
  --transition: 0.4s cubic-bezier(.4,0,.2,1);
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg-deep);
  color: var(--text);
  font-family: var(--ff-body);
  font-weight: 300;
  font-size: 1rem;
  line-height: 1.7;
  overflow-x: hidden;
  cursor: default;
}

::selection { background: var(--gold-dim); color: var(--gold-light); }

/* ---- Scrollbar ---- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-deep); }
::-webkit-scrollbar-thumb { background: var(--gold-dim); border-radius: 3px; }

/* ============================================ NAVBAR */
#navbar {
  background: transparent;
  padding: 1.2rem 0;
  transition: background var(--transition), backdrop-filter var(--transition), padding var(--transition);
  z-index: 1000;
}
#navbar.scrolled {
  background: rgba(5,6,15,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--border-dim);
}
.brand-logo {
  font-family: var(--ff-display);
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--text) !important;
  letter-spacing: .05em;
  text-decoration: none;
}
.brand-dot { color: var(--gold); }

.nav-link {
  color: var(--text-muted) !important;
  font-family: var(--ff-mono);
  font-size: 0.78rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  transition: color var(--transition);
  padding: 0.3rem 0 !important;
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 1px;
  background: var(--gold);
  transition: width var(--transition);
}
.nav-link:hover { color: var(--gold) !important; }
.nav-link:hover::after { width: 100%; }

/* hamburger */
.navbar-toggler { border: none; outline: none; box-shadow: none !important; }
.nav-hamburger {
  display: flex; flex-direction: column; gap: 5px; cursor: pointer;
}
.nav-hamburger span {
  display: block; width: 24px; height: 1.5px;
  background: var(--text); border-radius: 2px;
  transition: var(--transition);
}

/* ============================================ HERO */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
#hero-canvas {
  position: absolute;
  inset: 0; width: 100%; height: 100%;
  pointer-events: none;
  z-index: 0;
}
.hero-content {
  position: relative;
  z-index: 1;
  padding-top: 8rem;
  padding-bottom: 5rem;
}
.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-family: var(--ff-mono);
  font-size: 0.75rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.5rem;
}
.eyebrow-line {
  display: block; width: 40px; height: 1px; background: var(--gold); flex-shrink: 0;
}
.hero-name {
  font-family: var(--ff-display);
  font-size: clamp(4rem, 10vw, 9rem);
  font-weight: 300;
  line-height: 0.95;
  color: var(--text);
  letter-spacing: -.02em;
  margin-bottom: 1.5rem;
}
.hero-name em {
  font-style: italic;
  color: var(--gold);
}
.hero-tagline {
  font-family: var(--ff-display);
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--text-muted);
  font-style: italic;
  border-left: 2px solid var(--gold-dim);
  padding-left: 1.2rem;
  margin-bottom: 2.5rem;
  max-width: 480px;
}
.btn-gold {
  display: inline-block;
  padding: .7rem 2rem;
  background: var(--gold);
  color: var(--bg-deep);
  font-family: var(--ff-mono);
  font-size: .78rem;
  font-weight: 500;
  letter-spacing: .12em;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: 3px;
  transition: var(--transition);
  border: 1px solid var(--gold);
}
.btn-gold:hover {
  background: transparent;
  color: var(--gold);
}
.btn-ghost {
  display: inline-block;
  padding: .7rem 2rem;
  background: transparent;
  color: var(--text-muted);
  font-family: var(--ff-mono);
  font-size: .78rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: 3px;
  border: 1px solid var(--border-dim);
  transition: var(--transition);
}
.btn-ghost:hover { border-color: var(--gold); color: var(--gold); }

.hero-cta { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 3rem; }
.hero-socials { display: flex; gap: 1.2rem; }
.hero-socials a {
  color: var(--text-dim);
  font-size: 1.2rem;
  transition: color var(--transition), transform var(--transition);
  text-decoration: none;
}
.hero-socials a:hover { color: var(--gold); transform: translateY(-3px); }

.hero-scroll-hint {
  position: absolute;
  bottom: 2.5rem; right: 3rem;
  display: flex; flex-direction: column; align-items: center; gap: .5rem;
  z-index: 1;
}
.hero-scroll-hint span {
  font-family: var(--ff-mono);
  font-size: .65rem;
  letter-spacing: .2em;
  color: var(--text-dim);
  writing-mode: vertical-rl;
}
.scroll-line {
  width: 1px; height: 60px;
  background: linear-gradient(to bottom, var(--gold), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%,100% { opacity: .3; transform: scaleY(1); }
  50%      { opacity: 1;  transform: scaleY(1.1); }
}

/* ============================================ REVEAL */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(.4,0,.2,1), transform 0.8s cubic-bezier(.4,0,.2,1);
}
.reveal.visible { opacity: 1; transform: none; }
.delay-1 { transition-delay: .15s; }
.delay-2 { transition-delay: .3s; }
.delay-3 { transition-delay: .45s; }
.delay-4 { transition-delay: .6s; }

/* ============================================ SECTIONS */
.section-dark { background: var(--bg-dark); padding: 7rem 0; }
.section-mid  { background: var(--bg-mid);  padding: 7rem 0; }

.section-label {
  font-family: var(--ff-mono);
  font-size: .72rem;
  letter-spacing: .2em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: .8rem;
}
.section-title {
  font-family: var(--ff-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 300;
  line-height: 1.1;
  color: var(--text);
  margin-bottom: 1.5rem;
}
.section-title em { font-style: italic; color: var(--gold); }
.section-subtitle {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto 1rem;
}

/* ============================================ ABOUT */
.avatar-wrap {
  position: relative;
  display: inline-block;
}
.avatar-img {
  width: 220px; height: 220px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--border);
  position: relative;
  z-index: 1;
  filter: grayscale(20%) contrast(1.05);
  transition: filter var(--transition);
}
.avatar-img:hover { filter: grayscale(0%) contrast(1.1); }
.avatar-ring {
  position: absolute;
  inset: -12px;
  border-radius: 50%;
  border: 1px solid var(--gold-dim);
  animation: ringPulse 4s ease-in-out infinite;
}
@keyframes ringPulse {
  0%,100% { transform: scale(1);   opacity: .5; }
  50%      { transform: scale(1.04); opacity: 1; }
}
.avatar-badge {
  display: inline-block;
  font-family: var(--ff-mono);
  font-size: .72rem;
  letter-spacing: .1em;
  color: var(--gold);
  background: var(--gold-dim);
  border: 1px solid var(--border);
  padding: .4rem 1rem;
  border-radius: 40px;
}
.about-text {
  color: var(--text-muted);
  font-size: 1rem;
  margin-bottom: 1rem;
}
.about-text strong { color: var(--text); font-weight: 400; }

.skills-grid {
  display: flex; flex-wrap: wrap; gap: .6rem;
}
.skill-tag {
  font-family: var(--ff-mono);
  font-size: .72rem;
  letter-spacing: .08em;
  color: var(--text-muted);
  background: var(--bg-card);
  border: 1px solid var(--border-dim);
  padding: .35rem .9rem;
  border-radius: 4px;
  transition: var(--transition);
  display: flex; align-items: center; gap: .4rem;
}
.skill-tag:hover { border-color: var(--gold); color: var(--gold); }

/* ============================================ PROJECTS */
.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius);
  padding: 2rem;
  height: 100%;
  display: flex; flex-direction: column;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.project-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}
.project-card:hover { border-color: var(--border); transform: translateY(-4px); }
.project-card:hover::before { opacity: 1; }

.project-card--ghost { border-style: dashed; opacity: .7; }
.project-card--ghost:hover { opacity: 1; }

.project-lang {
  font-family: var(--ff-mono);
  font-size: .65rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: .8rem;
}
.project-name {
  font-family: var(--ff-display);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: .8rem;
}
.project-name i { margin-right: .3rem; color: var(--gold); }
.project-desc {
  color: var(--text-muted);
  font-size: .9rem;
  line-height: 1.6;
  flex: 1;
  margin-bottom: 1.2rem;
}
.project-footer {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: auto;
}
.project-link {
  font-family: var(--ff-mono);
  font-size: .72rem;
  letter-spacing: .1em;
  color: var(--gold);
  text-decoration: none;
  transition: gap var(--transition);
  display: flex; align-items: center; gap: .3rem;
}
.project-link:hover { color: var(--gold-light); gap: .6rem; }
.project-star {
  font-family: var(--ff-mono);
  font-size: .72rem;
  color: var(--text-dim);
}
.project-star i { color: var(--gold); }

/* ============================================ EMPRESA */
.section-empresa { position: relative; overflow: hidden; }
.empresa-bg-text {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  font-family: var(--ff-display);
  font-size: clamp(12rem, 25vw, 22rem);
  font-weight: 700;
  color: rgba(201,168,76,0.03);
  pointer-events: none;
  user-select: none;
  letter-spacing: -.04em;
  z-index: 0;
  white-space: nowrap;
}
.empresa-list {
  list-style: none;
  display: flex; flex-direction: column; gap: .6rem;
}
.empresa-list li {
  display: flex; align-items: center; gap: .7rem;
  color: var(--text-muted); font-size: .95rem;
}
.empresa-list li i { color: var(--gold); font-size: 1rem; flex-shrink: 0; }

.empresa-card-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.empresa-stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
  text-align: center;
  transition: var(--transition);
}
.empresa-stat-card:hover { border-color: var(--border); transform: translateY(-3px); }
.stat-number {
  font-family: var(--ff-display);
  font-size: 2.8rem;
  font-weight: 300;
  color: var(--gold);
  line-height: 1;
  margin-bottom: .4rem;
}
.stat-number span { font-size: 1.8rem; }
.stat-label {
  font-family: var(--ff-mono);
  font-size: .68rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--text-dim);
}

/* ============================================ CONTACT */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  max-width: 900px;
  margin: 3rem auto 0;
}
.contact-card {
  background: var(--bg-card);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
  text-decoration: none;
  text-align: center;
  display: block;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.contact-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0; height: 2px;
  background: var(--gold);
  transform: scaleX(0);
  transition: transform var(--transition);
  transform-origin: center;
}
.contact-card:hover { border-color: var(--border); transform: translateY(-4px); }
.contact-card:hover::after { transform: scaleX(1); }
.contact-icon {
  font-size: 1.8rem; color: var(--gold);
  margin-bottom: .8rem;
}
.contact-label {
  font-family: var(--ff-mono);
  font-size: .65rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: .3rem;
}
.contact-value {
  font-family: var(--ff-mono);
  font-size: .8rem;
  color: var(--text-muted);
  word-break: break-all;
}
.contact-card:hover .contact-value { color: var(--gold-light); }

/* ============================================ FOOTER */
footer {
  background: var(--bg-deep);
  border-top: 1px solid var(--border-dim);
  padding: 2.5rem 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-brand {
  font-family: var(--ff-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text);
}
.footer-brand span { color: var(--gold); }
.footer-copy {
  font-family: var(--ff-mono);
  font-size: .68rem;
  color: var(--text-dim);
  letter-spacing: .08em;
  margin: 0;
}
.footer-socials { display: flex; gap: 1rem; }
.footer-socials a {
  color: var(--text-dim); font-size: 1rem;
  transition: color var(--transition);
  text-decoration: none;
}
.footer-socials a:hover { color: var(--gold); }

/* ============================================ RESPONSIVE */
@media (max-width: 768px) {
  .hero-scroll-hint { display: none; }
  .empresa-card-wrap { grid-template-columns: 1fr 1fr; }
  .footer-inner { flex-direction: column; text-align: center; }
  .section-dark, .section-mid { padding: 5rem 0; }
  .avatar-img { width: 160px; height: 160px; }
  .contact-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .contact-grid { grid-template-columns: 1fr; }
  .empresa-card-wrap { grid-template-columns: 1fr; }
}


/* ============================================ TIMELINE */
.timeline {
  position: relative;
  max-width: 760px;
  margin: 0 auto;
  padding-left: 2rem;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, transparent, var(--gold), var(--gold), transparent);
  opacity: .25;
}
.tl-item {
  position: relative;
  padding: 0 0 3rem 2.5rem;
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 0 1.2rem;
  align-items: start;
}
.tl-marker {
  position: absolute;
  left: -14px; top: 4px;
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--bg-mid);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: .75rem;
  color: var(--gold);
  transition: var(--transition);
  z-index: 1;
}
.tl-item:hover .tl-marker {
  background: var(--gold-dim);
  border-color: var(--gold);
  transform: scale(1.15);
}
.tl-year {
  font-family: var(--ff-mono);
  font-size: .68rem;
  letter-spacing: .14em;
  color: var(--gold);
  padding-top: .35rem;
  text-align: right;
  white-space: nowrap;
}
.tl-card {
  background: var(--bg-card);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius);
  padding: 1.4rem 1.6rem;
  transition: var(--transition);
}
.tl-card:hover {
  border-color: var(--border);
  transform: translateX(4px);
}
.tl-card--gold {
  border-color: var(--border);
  background: linear-gradient(135deg, var(--bg-card), rgba(201,168,76,0.05));
}
.tl-title {
  font-family: var(--ff-display);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: .5rem;
}
.tl-text {
  color: var(--text-muted);
  font-size: .9rem;
  line-height: 1.65;
  margin: 0;
}
.tl-text strong { color: var(--text); font-weight: 400; }

@media (max-width: 560px) {
  .tl-item { grid-template-columns: 50px 1fr; gap: 0 .8rem; }
  .tl-year { font-size: .6rem; }
}


/* ============================================ GALLERY */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.gallery-item {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  cursor: pointer;
  border: 1px solid var(--border-dim);
}
.gallery-item img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .6s cubic-bezier(.4,0,.2,1), filter .6s;
  filter: grayscale(20%) brightness(.95);
}
.gallery-item:hover img {
  transform: scale(1.06);
  filter: grayscale(0%) brightness(1.05);
}
.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(5,6,15,.85) 0%, transparent 60%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: flex-start;
  padding: 1.2rem;
  opacity: 0;
  transition: opacity .4s;
}
.gallery-item:hover .gallery-overlay { opacity: 1; }
.gallery-caption {
  font-family: var(--ff-display);
  font-style: italic;
  font-size: .95rem;
  color: var(--text);
  margin: 0 0 .4rem;
  line-height: 1.4;
}
.gallery-overlay i {
  position: absolute;
  top: 1rem; right: 1rem;
  color: var(--gold);
  font-size: 1.1rem;
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(5,6,15,.96);
  backdrop-filter: blur(12px);
  z-index: 9999;
  display: none;
  align-items: center;
  justify-content: center;
}
.lightbox.active { display: flex; }
.lb-img-wrap {
  max-width: 90vw;
  max-height: 85vh;
  text-align: center;
}
.lb-img-wrap img {
  max-width: 100%;
  max-height: 78vh;
  border-radius: 8px;
  border: 1px solid var(--border);
  object-fit: contain;
}
#lb-caption {
  font-family: var(--ff-display);
  font-style: italic;
  color: var(--text-muted);
  font-size: 1rem;
  margin-top: .8rem;
}
.lb-close, .lb-prev, .lb-next {
  position: absolute;
  background: var(--bg-card);
  border: 1px solid var(--border-dim);
  color: var(--text);
  border-radius: 50%;
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  font-size: 1rem;
}
.lb-close { top: 1.5rem; right: 1.5rem; }
.lb-prev  { left: 1.5rem;  top: 50%; transform: translateY(-50%); }
.lb-next  { right: 1.5rem; top: 50%; transform: translateY(-50%); }
.lb-close:hover, .lb-prev:hover, .lb-next:hover {
  border-color: var(--gold);
  color: var(--gold);
}

@media (max-width: 768px) {
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .lb-prev { left: .5rem; }
  .lb-next { right: .5rem; }
}
@media (max-width: 480px) {
  .gallery-grid { grid-template-columns: 1fr; }
}