/* ─── CSS VARIABLES ─── */
:root {
  --bg: #0c0f1a;
  --surface: #111827;
  --surface2: #1a2235;
  --border: #1f2d45;
  --amber: #f0a500;
  --amber-dim: rgba(240, 165, 0, 0.12);
  --amber-glow: rgba(240, 165, 0, 0.04);
  --text: #e8eaf0;
  --text-muted: #7a8ba0;
  --text-dim: #4a5a6e;
  --white: #ffffff;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Outfit', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ─── NOISE TEXTURE ─── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
  opacity: 0.6;
}

/* ─── NAV ─── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 3rem;
  background: rgba(12, 15, 26, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  color: var(--amber);
  letter-spacing: 0.08em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  list-style: none;
}

.nav-links a {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--text-muted);
  text-decoration: none;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--amber); }

.lang-toggle {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  background: var(--amber-dim);
  color: var(--amber);
  border: 1px solid var(--amber);
  padding: 0.35rem 0.85rem;
  cursor: pointer;
  letter-spacing: 0.08em;
  transition: all 0.2s;
}

.lang-toggle:hover {
  background: var(--amber);
  color: var(--bg);
}

/* ─── HERO ─── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 8rem 3rem 4rem;
  position: relative;
  overflow: hidden;
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(240,165,0,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(240,165,0,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
}

.hero-glow {
  position: absolute;
  top: 20%;
  left: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(240,165,0,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  max-width: 900px;
}

.hero-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--amber);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.hero-tag::before {
  content: '';
  display: inline-block;
  width: 2rem;
  height: 1px;
  background: var(--amber);
}

.hero h1 {
  font-family: 'DM Serif Display', serif;
  font-size: clamp(3rem, 8vw, 6.5rem);
  line-height: 1.0;
  color: var(--white);
  margin-bottom: 1.5rem;
}

.hero h1 em {
  font-style: italic;
  color: var(--amber);
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 560px;
  margin-bottom: 3rem;
  font-weight: 300;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn-primary {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  padding: 0.85rem 2rem;
  background: var(--amber);
  color: var(--bg);
  border: none;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  font-weight: 500;
  transition: all 0.2s;
}

.btn-primary:hover {
  background: #ffb800;
  transform: translateY(-1px);
}

.btn-secondary {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  padding: 0.85rem 2rem;
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  transition: all 0.2s;
}

.btn-secondary:hover {
  border-color: var(--amber);
  color: var(--amber);
}

/* ─── SECTIONS ─── */
section {
  padding: 6rem 3rem;
  position: relative;
  z-index: 1;
}

.section-header {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 3.5rem;
}

.section-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  color: var(--amber);
  letter-spacing: 0.1em;
}

.section-title {
  font-family: 'DM Serif Display', serif;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  color: var(--white);
}

.section-line {
  flex: 1;
  height: 1px;
  background: var(--border);
}

.container { max-width: 1100px; margin: 0 auto; }

/* ─── ABOUT ─── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.about-text p {
  color: var(--text-muted);
  font-size: 1.05rem;
  font-weight: 300;
  line-height: 1.8;
  margin-bottom: 1.25rem;
}

.about-text p strong {
  color: var(--text);
  font-weight: 500;
}

.about-meta {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.meta-card {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 1.5rem;
}

.meta-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  color: var(--amber);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.meta-value {
  font-size: 0.95rem;
  color: var(--text);
  font-weight: 400;
}

/* ─── SKILLS ─── */
#skills {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.skill-group {
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 1.75rem;
  transition: border-color 0.2s;
}

.skill-group:hover { border-color: var(--amber); }

.skill-group-title {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  color: var(--amber);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

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

.skill-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  color: var(--text-muted);
  background: var(--surface2);
  padding: 0.3rem 0.65rem;
  border: 1px solid var(--border);
}

/* ─── EXPERIENCE ─── */
.timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.timeline-item {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 2rem;
  position: relative;
  padding-bottom: 3rem;
}

.timeline-item:not(:last-child)::after {
  content: '';
  position: absolute;
  left: 199px;
  top: 0.5rem;
  bottom: 0;
  width: 1px;
  background: var(--border);
}

.timeline-date {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  color: var(--text-dim);
  padding: 0.2rem 1.25rem 0 0;
  text-align: right;
  letter-spacing: 0.04em;
}

.timeline-dot {
  position: absolute;
  left: 195px;
  top: 0.35rem;
  width: 9px;
  height: 9px;
  background: var(--amber);
  border: 2px solid var(--bg);
  z-index: 1;
}

.timeline-body {
  padding-left: 1.5rem;
}

.timeline-role {
  font-family: 'DM Serif Display', serif;
  font-size: 1.3rem;
  color: var(--white);
  margin-bottom: 0.25rem;
}

.timeline-company {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--amber);
  letter-spacing: 0.06em;
  margin-bottom: 1rem;
}

.timeline-bullets {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.timeline-bullets li {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 300;
  padding-left: 1rem;
  position: relative;
  line-height: 1.6;
}

.timeline-bullets li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--amber);
  font-size: 0.8rem;
}

/* ─── PROJECTS ─── */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
}

.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: border-color 0.2s, transform 0.2s;
  position: relative;
  overflow: hidden;
}

.project-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--amber);
  transform: scaleX(0);
  transition: transform 0.3s;
  transform-origin: left;
}

.project-card:hover::before { transform: scaleX(1); }
.project-card:hover { transform: translateY(-3px); border-color: rgba(240,165,0,0.3); }

.project-client {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  color: var(--amber);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.project-title {
  font-family: 'DM Serif Display', serif;
  font-size: 1.2rem;
  color: var(--white);
  line-height: 1.3;
}

.project-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  font-weight: 300;
  line-height: 1.7;
  flex: 1;
}

.project-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.stack-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  color: var(--text-dim);
  background: var(--surface2);
  border: 1px solid var(--border);
  padding: 0.2rem 0.5rem;
  letter-spacing: 0.04em;
}

/* ─── EDUCATION ─── */
.edu-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.edu-card {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 2rem;
}

.edu-degree {
  font-family: 'DM Serif Display', serif;
  font-size: 1.2rem;
  color: var(--white);
  margin-bottom: 0.5rem;
}

.edu-school {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  color: var(--amber);
  letter-spacing: 0.06em;
  margin-bottom: 0.75rem;
}

.edu-detail {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 300;
}

.edu-badge {
  display: inline-block;
  margin-top: 1rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  color: var(--amber);
  border: 1px solid var(--amber);
  padding: 0.25rem 0.6rem;
  letter-spacing: 0.08em;
}

/* ─── CONTACT ─── */
#contact {
  background: var(--surface);
  border-top: 1px solid var(--border);
}

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.contact-text h2 {
  font-family: 'DM Serif Display', serif;
  font-size: 2.5rem;
  color: var(--white);
  margin-bottom: 1rem;
  line-height: 1.1;
}

.contact-text h2 em {
  font-style: italic;
  color: var(--amber);
}

.contact-text p {
  font-size: 0.95rem;
  color: var(--text-muted);
  font-weight: 300;
  line-height: 1.7;
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-link {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  background: var(--bg);
  border: 1px solid var(--border);
  text-decoration: none;
  transition: border-color 0.2s;
}

.contact-link:hover { border-color: var(--amber); }

.contact-link-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  color: var(--text-dim);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 0.15rem;
}

.contact-link-value {
  font-size: 0.9rem;
  color: var(--text);
}

.contact-link-arrow {
  margin-left: auto;
  color: var(--amber);
  font-size: 1rem;
}

/* ─── FOOTER ─── */
footer {
  padding: 2rem 3rem;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-copy {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  color: var(--text-dim);
  letter-spacing: 0.04em;
}

.footer-links {
  display: flex;
  gap: 2rem;
}

.footer-links a {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  color: var(--text-dim);
  text-decoration: none;
  letter-spacing: 0.04em;
  transition: color 0.2s;
}

.footer-links a:hover { color: var(--amber); }

/* ─── SCROLL REVEAL ─── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}

/* ─── LANGUAGE VISIBILITY ─── */
[data-lang] { display: none; }
.lang-en [data-lang="en"] { display: inherit; }
.lang-es [data-lang="es"] { display: inherit; }
span[data-lang] { display: none; }
.lang-en span[data-lang="en"] { display: inline; }
.lang-es span[data-lang="es"] { display: inline; }
li[data-lang] { display: none; }
.lang-en li[data-lang="en"] { display: list-item; }
.lang-es li[data-lang="es"] { display: list-item; }

/* ─── RESPONSIVE ─── */
@media (max-width: 768px) {
  nav { padding: 1rem 1.5rem; }
  .nav-links { display: none; }
  section { padding: 4rem 1.5rem; }
  .hero { padding: 7rem 1.5rem 3rem; }
  .about-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .timeline-item { grid-template-columns: 1fr; }
  .timeline-item::after { display: none; }
  .timeline-date { padding-right: 0; text-align: left; }
  .timeline-dot { display: none; }
  .timeline-body { padding-left: 0; }
  .edu-grid { grid-template-columns: 1fr; }
  .contact-inner { grid-template-columns: 1fr; gap: 2.5rem; }
  footer { flex-direction: column; gap: 1rem; text-align: center; }
}