/* ── RESET & VARIABLES ── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --principal:#C0392B;
  --principal-lt:#E05A4E;
  --principal-dim:rgba(192, 57, 43, 0.12);
  --principal-glow:rgba(192, 57, 43, 0.28);
  --bg:#0D0D0D;
  --bg2:#141414;
  --bg3:#1A1A1A;
  --text:#F0EDE8;
  --muted:#888074;
  --border:rgba(240, 237, 232, 0.07);
  --ff-head:'Syne', sans-serif;
  --ff-body:'DM Sans', sans-serif;
  --radius:12px;
  --tr:0.32s cubic-bezier(.4, 0, .2, 1);
}

/* ── BASE ── */
html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--ff-body);
  font-size: 15px;
  line-height: 1.65;
  overflow-x: hidden;
}

/* Grain overlay */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  opacity: .4;
}

/* Scrollbar */
::-webkit-scrollbar        { width: 4px; }
::-webkit-scrollbar-track  { background: var(--bg); }
::-webkit-scrollbar-thumb  { background: var(--principal); border-radius: 2px; }

/* ── CURSOR ── */
#cursor {
  width: 10px;
  height: 10px;
  background: var(--principal);
  border-radius: 50%;
  position: fixed;
  pointer-events: none;
  z-index: 99999;
  transform: translate(-50%, -50%);
  transition: width .18s, height .18s, opacity .18s;
}

#cursor.big {
  width: 38px;
  height: 38px;
  opacity: .28;
}

/* ── NAV ── */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 60px;
  backdrop-filter: blur(20px);
  background: rgba(13, 13, 13, 0.82);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  font-family: var(--ff-head);
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--principal);
  letter-spacing: -.02em;
}

.nav-logo span {
  color: var(--text);
}

nav ul {
  list-style: none;
  display: flex;
  gap: 32px;
}

nav a {
  text-decoration: none;
  color: var(--muted);
  font-size: .82rem;
  font-weight: 500;
  letter-spacing: .05em;
  text-transform: uppercase;
  transition: color var(--tr);
  position: relative;
}

nav a::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--principal);
  transition: width var(--tr);
}

nav a:hover             { color: var(--text); }
nav a:hover::after      { width: 100%; }

/* ── Secciones ── */
section {
  padding: 120px 60px;
  max-width: 1100px;
  margin: 0 auto;
}

/* ── Header ── */
.sec-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 60px;
}

.sec-num {
  font-family: var(--ff-head);
  font-size: .75rem;
  font-weight: 700;
  color: var(--principal);
  letter-spacing: .15em;
}

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

.sec-title {
  font-family: var(--ff-head);
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -.02em;
}

/* ── Botones ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: 999px;
  font-family: var(--ff-body);
  font-size: .88rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--tr);
  border: none;
}

.btn-primary {
  background: var(--principal);
  color: #fff;
}

.btn-primary:hover {
  background: var(--principal-lt);
  box-shadow: 0 0 28px 6px var(--principal-glow);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-outline:hover {
  border-color: var(--principal);
  color: var(--principal);
  transform: translateY(-2px);
}

/* ── Hero ── */
#hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 60px;
  padding-top: 120px;
  position: relative;
  overflow: hidden;
}

.hero-eyebrow {
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .18em;
  color: var(--principal);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  opacity: 0;
  animation: fadeUp .8s .2s forwards;
}

.hero-eyebrow::before {
  content: '';
  width: 28px;
  height: 1px;
  background: var(--principal);
}

.hero-title {
  font-family: var(--ff-head);
  font-size: clamp(2.8rem, 6vw, 5.8rem);
  font-weight: 800;
  line-height: .95;
  letter-spacing: -.03em;
  opacity: 0;
  animation: fadeUp .9s .35s forwards;
}

.hero-title em {
  font-style: normal;
  color: var(--principal);
}

.hero-sub {
  margin-top: 24px;
  font-size: 1rem;
  color: var(--muted);
  max-width: 440px;
  font-weight: 300;
  opacity: 0;
  animation: fadeUp .9s .5s forwards;
}

.hero-actions {
  margin-top: 44px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeUp .9s .65s forwards;
}

.hero-blob {
  position: absolute;
  right: -80px;
  top: 50%;
  transform: translateY(-50%);
  width: 480px;
  height: 480px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(192, 57, 43, .16) 0%, transparent 70%);
  filter: blur(60px);
  pointer-events: none;
  animation: bpulse 7s ease-in-out infinite;
}

@keyframes bpulse {
  0%, 100% { opacity: .6; transform: translateY(-50%) scale(1); }
  50%       { opacity: 1;  transform: translateY(-50%) scale(1.08); }
}

/* ── Foto ── */
.hero-photo-wrap {
  position: relative;
  z-index: 2;
  opacity: 0;
  animation: fadeUp .9s .4s forwards;
  flex-shrink: 0;
}

.photo-ring {
  width: 230px;
  height: 230px;
  border-radius: 50%;
  border: 2px solid var(--principal);
  padding: 4px;
  background: var(--bg2);
  position: relative;
  box-shadow: 0 0 36px var(--principal-glow);
}

.photo-ring::before {
  content: '';
  position: absolute;
  inset: -8px;
  border-radius: 50%;
  border: 1px solid rgba(192, 57, 43, .2);
  animation: spin 14s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.photo-inner {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  overflow: hidden;
  position: relative;
  background: var(--bg3);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.photo-inner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.photo-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: var(--muted);
  font-size: .76rem;
  letter-spacing: .04em;
  text-align: center;
  padding: 20px;
}

.photo-placeholder svg {
  opacity: .35;
}

.photo-overlay {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: rgba(13, 13, 13, .72);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  opacity: 0;
  transition: opacity var(--tr);
  font-size: .76rem;
  color: var(--principal);
  letter-spacing: .04em;
}

.photo-inner:hover .photo-overlay {
  opacity: 1;
}

#photoInput {
  display: none;
}

/* ── Cv ── */
.cv-bar {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 26px 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.cv-bar-text h3 {
  font-family: var(--ff-head);
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.cv-bar-text p {
  font-size: .83rem;
  color: var(--muted);
  font-weight: 300;
}

#cvFileName {
  font-size: .76rem;
  color: var(--principal);
  margin-top: 5px;
  min-height: 18px;
}

.cv-actions {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-shrink: 0;
}

#cvInput {
  display: none;
}

.cv-upload-label {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 10px 20px;
  border-radius: 999px;
  background: var(--bg3);
  color: var(--muted);
  border: 1px solid var(--border);
  font-size: .82rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--tr);
  font-family: var(--ff-body);
}

.cv-upload-label:hover {
  border-color: var(--principal);
  color: var(--principal);
}

#cvDownloadBtn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 10px 22px;
  border-radius: 999px;
  background: var(--principal);
  color: #fff;
  border: none;
  font-family: var(--ff-body);
  font-size: .82rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--tr);
}

#cvDownloadBtn:hover:not(:disabled) {
  background: var(--principal-lt);
  transform: translateY(-2px);
  box-shadow: 0 0 20px var(--principal-glow);
}

#cvDownloadBtn:disabled {
  opacity: .35;
  cursor: not-allowed;
}

/* ── About ── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: start;
}

.about-text p {
  color: var(--muted);
  font-weight: 300;
  font-size: .96rem;
  margin-bottom: 16px;
}

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

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.stat-card {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  transition: border-color var(--tr), transform var(--tr);
}

.stat-card:hover {
  border-color: var(--principal);
  transform: translateY(-4px);
}

.stat-val {
  font-family: var(--ff-head);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--principal);
  line-height: 1;
  margin-bottom: 5px;
}

.stat-label {
  font-size: .74rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .08em;
}

/* ── Experiencia ── */
.timeline {
  position: relative;
  padding-left: 28px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(to bottom, var(--principal), transparent);
}

.tl-item {
  position: relative;
  margin-bottom: 48px;
  opacity: 0;
  transform: translateX(-16px);
  transition: opacity .55s, transform .55s;
}

.tl-item.visible {
  opacity: 1;
  transform: none;
}

.tl-item::before {
  content: '';
  position: absolute;
  left: -33px;
  top: 8px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--principal);
  box-shadow: 0 0 10px var(--principal-glow);
}

.tl-period {
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--principal);
  font-weight: 600;
  margin-bottom: 8px;
}

.tl-role {
  font-family: var(--ff-head);
  font-size: 1.12rem;
  font-weight: 700;
  margin-bottom: 3px;
}

.tl-company {
  font-size: .82rem;
  color: var(--muted);
  margin-bottom: 10px;
}

.tl-desc {
  color: var(--muted);
  font-weight: 300;
  font-size: .92rem;
  max-width: 560px;
}

.tag {
  display: inline-block;
  padding: 3px 10px;
  background: var(--principal-dim);
  border: 1px solid rgba(192, 57, 43, .22);
  border-radius: 999px;
  font-size: .71rem;
  color: var(--principal-lt);
  margin: 7px 3px 0 0;
}

.exp-note {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-left: 2px solid var(--principal);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 16px 20px;
  margin-top: 32px;
  font-size: .87rem;
  color: var(--muted);
  font-weight: 300;
}

.exp-note strong {
  color: var(--principal-lt);
  font-weight: 500;
}

/* ── Proyectos ── */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(310px, 1fr));
  gap: 22px;
}
 
.proj-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--tr);
  opacity: 0;
  transform: translateY(24px);
}
 
.proj-card.visible {
  opacity: 1;
  transform: none;
}
 
.proj-card:hover {
  border-color: var(--principal);
  transform: translateY(-5px);
  box-shadow: 0 16px 50px rgba(0, 0, 0, .4), 0 0 30px var(--principal-glow);
}
 
.proj-thumb {
  height: 180px;
  position: relative;
  overflow: hidden;
  background: var(--bg3);
}
 
.proj-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}
 
.proj-card:hover .proj-thumb img {
  transform: scale(1.05);
}
 
.proj-thumb::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 45%, var(--bg2));
  pointer-events: none;
}
 
.proj-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 2;
  background: rgba(13, 13, 13, .85);
  border: 1px solid var(--principal);
  border-radius: 999px;
  padding: 3px 10px;
  font-size: .67rem;
  font-weight: 600;
  color: var(--principal);
  letter-spacing: .06em;
  text-transform: uppercase;
}
 
.proj-body {
  padding: 18px 22px 22px;
}
 
.proj-title {
  font-family: var(--ff-head);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 7px;
}
 
.proj-desc {
  font-size: .85rem;
  color: var(--muted);
  font-weight: 300;
  margin-bottom: 14px;
  line-height: 1.55;
}
 
.proj-tags {
  margin-bottom: 16px;
}
 
.proj-links {
  display: flex;
  gap: 9px;
  flex-wrap: wrap;
}
 
.proj-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: .77rem;
  font-weight: 500;
  letter-spacing: .03em;
  text-decoration: none;
  padding: 7px 14px;
  border-radius: 999px;
  transition: all var(--tr);
}
 
.proj-link svg {
  width: 12px;
  height: 12px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  flex-shrink: 0;
}
 
.proj-link-demo {
  background: var(--principal);
  color: #fff;
}
 
.proj-link-demo:hover {
  background: var(--principal-lt);
  transform: translateY(-1px);
}
 
.proj-link-github {
  background: var(--bg3);
  color: var(--muted);
  border: 1px solid var(--border);
}
 
.proj-link-github:hover {
  border-color: var(--principal);
  color: var(--text);
  transform: translateY(-1px);
}
 
.proj-link-github svg {
  fill: currentColor;
  stroke: none;
}

/* Thumb backgrounds */
.t1 { background: linear-gradient(135deg, #1a0808, #3d1010); }
.t2 { background: linear-gradient(135deg, #0d1a18, #0d3028); }
.t3 { background: linear-gradient(135deg, #100d1a, #1e0d38); }
.t4 { background: linear-gradient(135deg, #1a0a0a, #400d0d); }

/* ── Tecnologías ── */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(128px, 1fr));
  gap: 14px;
}

.tech-item {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 14px;
  text-align: center;
  transition: all var(--tr);
  opacity: 0;
  transform: scale(.9);
}

.tech-item.visible {
  opacity: 1;
  transform: scale(1);
}

.tech-item:hover {
  border-color: var(--principal);
  transform: translateY(-3px);
  background: var(--principal-dim);
}

.tech-icon {
  font-size: 1.85rem;
  margin-bottom: 9px;
}

.tech-name {
  font-size: .77rem;
  font-weight: 500;
  letter-spacing: .03em;
}

.tech-level { display: none; }
.tech-level-bar { display: none; }

/* ── Educación ── */
.edu-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.edu-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: all var(--tr);
  opacity: 0;
  transform: translateY(18px);
}

.edu-card.visible {
  opacity: 1;
  transform: none;
}

.edu-card:hover {
  border-color: var(--principal);
  transform: translateY(-4px);
}

.edu-icon {
  font-size: 1.85rem;
  margin-bottom: 14px;
}

.edu-period {
  font-size: .71rem;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--principal);
  font-weight: 600;
  margin-bottom: 8px;
}

.edu-degree {
  font-family: var(--ff-head);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 5px;
}

.edu-institution {
  font-size: .84rem;
  color: var(--muted);
}

/* ── Footer ── */
footer {
  border-top: 1px solid var(--border);
  padding: 34px 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1100px;
  margin: 0 auto;
}

.footer-copy {
  font-size: .78rem;
  color: var(--muted);
}

.footer-copy span {
  color: var(--principal);
}

.socials {
  display: flex;
  gap: 12px;
}

.socials a {
  width: 36px;
  height: 36px;
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  color: var(--muted);
  transition: all var(--tr);
}

.socials a:hover {
  border-color: var(--principal);
  color: var(--principal);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px var(--principal-glow);
}

.socials svg {
  width: 14px;
  height: 14px;
}

/* ── Animaciones ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(26px); }
  to   { opacity: 1; transform: none; }
}

/* ── RESPONSIVE ── */
@media (max-width: 820px) {
  nav                        { padding: 16px 20px; }
  nav ul                     { gap: 14px; }
  section                    { padding: 80px 24px; }
  #hero                      { grid-template-columns: 1fr; padding-top: 110px; text-align: center; }
  .hero-photo-wrap           { order: -1; margin: 0 auto; }
  .hero-eyebrow              { justify-content: center; }
  .hero-sub                  { margin: 16px auto 0; }
  .hero-actions              { justify-content: center; }
  .about-grid, .edu-grid     { grid-template-columns: 1fr; gap: 36px; }
  .hero-blob                 { display: none; }
  .cv-bar                    { flex-direction: column; align-items: flex-start; padding: 24px; }
  footer                     { flex-direction: column; gap: 16px; text-align: center; padding: 28px 24px; }
}