/* === Albert González — Portfolio === */
:root {
  --bg: #fbfbfd;
  --fg: #1d1d1f;
  --fg-soft: #6e6e73;
  --fg-muted: #86868b;
  --line: rgba(0,0,0,0.08);
  --accent: #0071e3;
  --accent-hover: #0077ed;
  --card: #ffffff;
  --code: #f5f5f7;
  --grid: rgba(0,0,0,0.04);
}

[data-theme="dark"] {
  --bg: #000000;
  --fg: #f5f5f7;
  --fg-soft: #a1a1a6;
  --fg-muted: #86868b;
  --line: rgba(255,255,255,0.1);
  --card: #1c1c1e;
  --code: #1c1c1e;
  --grid: rgba(255,255,255,0.04);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Helvetica Neue', sans-serif;
  background: var(--bg);
  color: var(--fg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  transition: background 0.4s ease, color 0.4s ease;
}

/* Custom cursor + trail */
.cursor-dot {
  position: fixed;
  width: 8px; height: 8px;
  background: var(--accent);
  border-radius: 50%;
  pointer-events: none;
  z-index: 10000;
  transform: translate(-50%, -50%);
  transition: width 0.2s, height 0.2s, background 0.2s;
  will-change: transform;
}
.cursor-ring {
  position: fixed;
  width: 36px; height: 36px;
  border: 1.5px solid var(--accent);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: width 0.25s, height 0.25s, border-color 0.2s, opacity 0.2s;
  opacity: 0.6;
  will-change: transform;
}
.cursor-dot.hover { width: 14px; height: 14px; }
.cursor-ring.hover { width: 60px; height: 60px; opacity: 1; }
@media (max-width: 768px) {
  body { cursor: auto; }
  .cursor-dot, .cursor-ring { display: none; }
}

a, button, [data-cursor="hover"] { cursor: pointer; }

/* Mouse trail particles */
.trail {
  position: fixed;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  pointer-events: none;
  z-index: 9998;
  opacity: 0.5;
  transform: translate(-50%, -50%);
}

/* Nav */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  border-bottom: 1px solid var(--line);
  transition: all 0.3s ease;
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 14px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-brand {
  font-weight: 600;
  font-size: 17px;
  letter-spacing: -0.01em;
}
.nav-links { display: flex; gap: 32px; }
.nav-links a {
  color: var(--fg-soft);
  text-decoration: none;
  font-size: 13px;
  letter-spacing: 0.01em;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--fg); }
@media (max-width: 720px) { .nav-links { display: none; } }

/* Sections */
section { position: relative; }

.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px 24px 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero-eyebrow {
  font-size: 13px;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 24px;
  opacity: 0;
  transform: translateY(12px);
  animation: rise 0.9s 0.2s forwards cubic-bezier(.2,.7,.2,1);
}
.hero-title {
  font-size: clamp(56px, 11vw, 168px);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 0.92;
  margin-bottom: 28px;
}
.hero-title .word {
  display: inline-block;
  opacity: 0;
  transform: translateY(80px) rotateX(-30deg);
  transform-origin: 50% 100%;
  animation: heroRise 1.1s forwards cubic-bezier(.2,.7,.2,1);
}
.hero-title .word:nth-child(1) { animation-delay: 0.3s; }
.hero-title .word:nth-child(2) { animation-delay: 0.45s; }
.hero-subtitle {
  font-size: clamp(20px, 2.4vw, 30px);
  font-weight: 400;
  color: var(--fg-soft);
  letter-spacing: -0.01em;
  max-width: 760px;
  line-height: 1.3;
  opacity: 0;
  transform: translateY(20px);
  animation: rise 0.9s 0.7s forwards cubic-bezier(.2,.7,.2,1);
}
.hero-meta {
  margin-top: 40px;
  display: flex;
  gap: 28px;
  font-size: 14px;
  color: var(--fg-muted);
  opacity: 0;
  animation: rise 0.9s 0.95s forwards cubic-bezier(.2,.7,.2,1);
}
.hero-meta b { color: var(--fg); font-weight: 500; }


/* 3D animated hero shapes */
.hero-canvas {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}
.hero > *:not(.hero-canvas) { position: relative; z-index: 1; }

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.55;
  will-change: transform;
}
.blob-1 { width: 480px; height: 480px; background: radial-gradient(circle, var(--accent), transparent 70%); top: 10%; left: -10%; }
.blob-2 { width: 380px; height: 380px; background: radial-gradient(circle, #a78bfa, transparent 70%); bottom: 5%; right: -5%; }
.blob-3 { width: 320px; height: 320px; background: radial-gradient(circle, #34d399, transparent 70%); top: 40%; right: 30%; opacity: 0.3; }

@keyframes rise {
  to { opacity: 1; transform: translateY(0); }
}
@keyframes heroRise {
  to { opacity: 1; transform: translateY(0) rotateX(0); }
}
@keyframes scrollBar {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  50.01% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* Section header pattern */
.section {
  padding: 160px 24px;
  max-width: 1200px;
  margin: 0 auto;
}
.section-eyebrow {
  font-size: 13px;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.section-title {
  font-size: clamp(40px, 6vw, 88px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.02;
  margin-bottom: 28px;
  max-width: 14ch;
}
.section-lead {
  font-size: clamp(18px, 1.6vw, 24px);
  color: var(--fg-soft);
  max-width: 60ch;
  line-height: 1.45;
  font-weight: 400;
  letter-spacing: -0.005em;
}

/* Reveal */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 1s cubic-bezier(.2,.7,.2,1), transform 1s cubic-bezier(.2,.7,.2,1);
}
.reveal.in { opacity: 1; transform: translateY(0); }
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .8s cubic-bezier(.2,.7,.2,1), transform .8s cubic-bezier(.2,.7,.2,1);
}
.reveal-stagger.in > * { opacity: 1; transform: translateY(0); }
.reveal-stagger.in > *:nth-child(1) { transition-delay: 0s; }
.reveal-stagger.in > *:nth-child(2) { transition-delay: .08s; }
.reveal-stagger.in > *:nth-child(3) { transition-delay: .16s; }
.reveal-stagger.in > *:nth-child(4) { transition-delay: .24s; }
.reveal-stagger.in > *:nth-child(5) { transition-delay: .32s; }
.reveal-stagger.in > *:nth-child(6) { transition-delay: .4s; }
.reveal-stagger.in > *:nth-child(7) { transition-delay: .48s; }
.reveal-stagger.in > *:nth-child(8) { transition-delay: .56s; }
.reveal-stagger.in > *:nth-child(9) { transition-delay: .64s; }

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
@media (max-width: 880px) { .about-grid { grid-template-columns: 1fr; gap: 40px; } }
.about-text p {
  font-size: clamp(18px, 1.4vw, 22px);
  line-height: 1.55;
  color: var(--fg-soft);
  margin-bottom: 20px;
}
.about-text p strong { color: var(--fg); font-weight: 500; }
.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.stat {
  border-top: 1px solid var(--line);
  padding-top: 20px;
}
.stat-num {
  font-size: clamp(40px, 5vw, 64px);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.stat-label {
  font-size: 13px;
  color: var(--fg-muted);
  margin-top: 8px;
  letter-spacing: 0.02em;
}

/* Skills marquee */
.skills-section {
  padding: 120px 0;
  overflow: hidden;
}
.skills-section .section-head {
  max-width: 1200px;
  margin: 0 auto 60px;
  padding: 0 24px;
}
.marquee {
  display: flex;
  gap: 24px;
  width: max-content;
  animation: marquee 40s linear infinite;
}
.marquee.reverse { animation-direction: reverse; animation-duration: 50s; }
.marquee-row { padding: 12px 0; }
.skill-chip {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 14px 28px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 17px;
  font-weight: 500;
  letter-spacing: -0.01em;
  white-space: nowrap;
  transition: transform 0.3s, border-color 0.3s;
}
.skill-chip:hover { transform: translateY(-2px); border-color: var(--accent); }
.skill-chip .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
}
@keyframes marquee {
  to { transform: translateX(-50%); }
}

.skill-categories {
  max-width: 1200px;
  margin: 80px auto 0;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
}
@media (max-width: 880px) { .skill-categories { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .skill-categories { grid-template-columns: 1fr; } }
.skill-cat {
  background: var(--card);
  padding: 32px;
  min-height: 220px;
}
.skill-cat-label {
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: 16px;
}
.skill-cat-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.skill-cat-list span {
  font-size: 16px;
  font-weight: 500;
  color: var(--fg);
  letter-spacing: -0.01em;
}

/* Projects */
.project-card {
  position: relative;
  background: var(--card);
  border-radius: 28px;
  overflow: hidden;
  margin-bottom: 32px;
  border: 1px solid var(--line);
  transition: transform 0.6s cubic-bezier(.2,.7,.2,1), box-shadow 0.6s;
  transform-style: preserve-3d;
  perspective: 1200px;
}
.project-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 30px 80px -30px rgba(0,0,0,0.25);
}
.project-inner {
  display: block;
}
@media (max-width: 880px) { .project-inner { display: block; } }

/* Uploaded project image */
.project-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Company logo in timeline */
.timeline-logo {
  display: inline-block;
  width: 20px;
  height: 20px;
  object-fit: contain;
  border-radius: 4px;
  vertical-align: middle;
  margin-right: 4px;
  background: var(--card);
}

/* School logo in education */
.edu-logo {
  display: block;
  width: 36px;
  height: 36px;
  object-fit: contain;
  border-radius: 8px;
  margin-bottom: 10px;
  background: var(--card);
  border: 1px solid var(--line);
  padding: 4px;
}

.project-info {
  padding: 56px 48px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.project-num {
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--fg-muted);
  margin-bottom: 18px;
  font-variant-numeric: tabular-nums;
}
.project-title {
  font-size: clamp(32px, 3.5vw, 48px);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.05;
  margin-bottom: 16px;
}
.project-desc {
  font-size: 17px;
  line-height: 1.55;
  color: var(--fg-soft);
  margin-bottom: 28px;
  max-width: 50ch;
}
.project-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
}
.project-stack span {
  padding: 6px 12px;
  background: var(--code);
  border-radius: 6px;
  font-size: 12px;
  font-weight: 500;
  color: var(--fg-soft);
  letter-spacing: 0.01em;
}
.project-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 14px;
}
.project-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent);
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  align-self: flex-start;
}
.project-link:hover { text-decoration: underline; }
.project-link svg { transition: transform 0.3s; }
.project-link:hover svg { transform: translateX(4px); }

/* Experience timeline */
.timeline {
  position: relative;
  margin-top: 60px;
  padding-left: 32px;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 8px; top: 8px; bottom: 8px;
  width: 1px;
  background: var(--line);
}
.timeline-item {
  position: relative;
  padding-bottom: 56px;
}
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before {
  content: '';
  position: absolute;
  left: -32px; top: 8px;
  width: 17px; height: 17px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--accent);
  transition: background 0.3s;
}
.timeline-item:hover::before { background: var(--accent); }
.timeline-date {
  font-size: 13px;
  color: var(--fg-muted);
  letter-spacing: 0.02em;
  margin-bottom: 6px;
  font-variant-numeric: tabular-nums;
}
.timeline-role {
  font-size: clamp(22px, 2vw, 28px);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 4px;
}
.timeline-company { color: var(--accent); font-weight: 500; }
.timeline-desc {
  margin-top: 12px;
  font-size: 16px;
  line-height: 1.55;
  color: var(--fg-soft);
  max-width: 64ch;
}
.timeline-tags {
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.timeline-tags span {
  font-size: 11px;
  font-weight: 500;
  padding: 4px 10px;
  background: var(--code);
  border-radius: 999px;
  color: var(--fg-soft);
}

/* Education + awards two-col */
.split-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
}
@media (max-width: 880px) { .split-grid { grid-template-columns: 1fr; gap: 60px; } }
.split-block .block-title {
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}
.edu-card {
  border-top: 1px solid var(--line);
  padding: 24px 0;
}
.edu-card:last-child { border-bottom: 1px solid var(--line); }
.edu-school {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.2;
}
.edu-degree { font-size: 15px; color: var(--fg-soft); margin-top: 4px; }
.edu-meta { font-size: 13px; color: var(--fg-muted); margin-top: 8px; font-variant-numeric: tabular-nums; }

.award-card {
  border-top: 1px solid var(--line);
  padding: 22px 0;
  display: flex;
  gap: 20px;
  align-items: baseline;
}
.award-card:last-child { border-bottom: 1px solid var(--line); }
.award-year {
  font-size: 13px;
  color: var(--fg-muted);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
  flex-shrink: 0;
  width: 56px;
}
.award-title {
  font-size: 17px;
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.3;
}
.award-org { font-size: 13px; color: var(--fg-soft); margin-top: 2px; }

/* Contact */
.contact-section {
  padding: 200px 24px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.contact-title {
  font-size: clamp(56px, 9vw, 144px);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 0.95;
  margin-bottom: 40px;
}
.contact-title .line { display: block; }
.contact-email {
  display: inline-block;
  font-size: clamp(22px, 2.4vw, 32px);
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
  letter-spacing: -0.01em;
  border-bottom: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
  padding-bottom: 4px;
  transition: border-color 0.3s;
}
.contact-email:hover { border-bottom-color: var(--accent); }
.contact-links {
  margin-top: 60px;
  display: flex;
  gap: 32px;
  justify-content: center;
  flex-wrap: wrap;
}
.contact-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 24px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--fg);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.3s;
}
.contact-link:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }

/* Footer */
.footer {
  border-top: 1px solid var(--line);
  padding: 32px 24px;
  text-align: center;
  font-size: 12px;
  color: var(--fg-muted);
  letter-spacing: 0.02em;
}

/* Pinned project showcase scene */
.showcase {
  height: 300vh;
  position: relative;
}
.showcase-sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.showcase-card {
  width: min(72vw, 880px);
  aspect-ratio: 16/10;
  background: linear-gradient(135deg, #0071e3 0%, #6c5ce7 100%);
  border-radius: 24px;
  box-shadow: 0 40px 100px -30px rgba(0,113,227,0.5);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  will-change: transform, opacity;
}
.showcase-label {
  position: absolute;
  top: 24px;
  left: 28px;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.85;
  font-weight: 500;
}
.showcase-headline {
  font-size: clamp(36px, 5vw, 72px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
  text-align: center;
  padding: 0 40px;
}
.showcase-headline span { display: block; opacity: 0.6; font-size: 0.5em; font-weight: 500; margin-top: 12px; letter-spacing: -0.01em; }
.showcase-progress {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--fg-muted);
  font-variant-numeric: tabular-nums;
}

/* Magnetic tag for hover */
[data-magnetic] { display: inline-block; will-change: transform; }

/* Background grid */
.bg-grid {
  position: fixed;
  inset: 0;
  background-image: linear-gradient(var(--grid) 1px, transparent 1px), linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 80px 80px;
  pointer-events: none;
  z-index: 0;
  mask-image: radial-gradient(ellipse at 50% 30%, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 30%, black 30%, transparent 70%);
}

main { position: relative; z-index: 1; }

/* Variable font weights smooth transition */
.hero-title, .section-title, .contact-title { text-wrap: balance; }