/* ─── RESET & BASE ───────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --orange-900: #7a2800;
  --orange-800: #a33700;
  --orange-700: #c94a00;
  --orange-600: #e05a00;
  --orange-500: #f47320;
  --orange-400: #f89144;
  --orange-300: #fbb07a;
  --orange-100: #fff3eb;
  --white:       #ffffff;
  --dark:        #1a1a1a;
  --gray:        #555;
  --radius:      8px;
  --shadow:      0 4px 20px rgba(0,0,0,.15);
  --transition:  .3s ease;
  --font:        'Segoe UI', system-ui, sans-serif;
}
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--orange-100);
  color: var(--dark);
  line-height: 1.6;
}

/* ─── NAV / HAMBURGER ────────────────────────────────────────── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(122,40,0,.92);
  backdrop-filter: blur(8px);
  height: 56px;
  display: flex;
  align-items: center;
  padding: 0 1.2rem;
  box-shadow: 0 2px 12px rgba(0,0,0,.3);
}
.nav-brand {
  color: var(--white);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: .04em;
  margin-left: 3.2rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
/* Hamburger button */
.burger {
  position: absolute;
  left: 1rem;
  width: 38px; height: 38px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
  border-radius: 4px;
  transition: background var(--transition);
}
.burger:hover { background: rgba(255,255,255,.15); }
.burger span {
  display: block;
  width: 26px; height: 3px;
  background: var(--white);
  border-radius: 2px;
  transition: transform .35s ease, opacity .25s ease;
}
.burger.open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.burger.open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* Slide-out menu */
.menu-overlay {
  position: fixed;
  inset: 0;
  z-index: 999;
  background: rgba(0,0,0,.45);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}
.menu-overlay.open { opacity: 1; pointer-events: all; }

.side-menu {
  position: fixed;
  top: 0; left: 0;
  height: 100%;
  width: min(280px, 80vw);
  background: var(--orange-900);
  z-index: 1001;
  transform: translateX(-100%);
  transition: transform .35s cubic-bezier(.4,0,.2,1);
  padding-top: 70px;
  display: flex;
  flex-direction: column;
  box-shadow: 4px 0 24px rgba(0,0,0,.4);
}
.side-menu.open { transform: translateX(0); }
.side-menu a {
  color: var(--white);
  text-decoration: none;
  padding: .9rem 1.6rem;
  font-size: 1rem;
  font-weight: 500;
  border-left: 4px solid transparent;
  transition: background var(--transition), border-color var(--transition);
  display: flex;
  align-items: center;
  gap: .7rem;
}
.side-menu a:hover {
  background: rgba(255,255,255,.1);
  border-left-color: var(--orange-400);
}
.side-menu a .icon { font-size: 1.1rem; min-width: 1.4rem; text-align: center; }

/* ─── HERO ───────────────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  padding-top: 56px;
  background: linear-gradient(135deg, var(--orange-900) 0%, var(--orange-700) 50%, var(--orange-500) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  overflow: hidden;
}
/* decorative circles */
.hero::before, .hero::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,.06);
  pointer-events: none;
}
.hero::before { width: 520px; height: 520px; top: -120px; right: -120px; }
.hero::after  { width: 340px; height: 340px; bottom: -100px; left: -80px; }

.hero-content { position: relative; z-index: 1; padding: 2rem 1.5rem; }
.hero-avatar {
  width: 120px; height: 120px;
  border-radius: 50%;
  border: 4px solid rgba(255,255,255,.5);
  background: var(--orange-800);
  margin: 0 auto 1.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: var(--white);
  box-shadow: 0 8px 32px rgba(0,0,0,.3);
}
.hero h1 {
  font-size: clamp(1.8rem, 5vw, 3rem);
  font-weight: 800;
  color: var(--white);
  text-shadow: 0 2px 8px rgba(0,0,0,.3);
  letter-spacing: -.02em;
}
.hero-role {
  margin-top: .5rem;
  color: var(--orange-300);
  font-size: clamp(1rem, 2.5vw, 1.3rem);
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.hero-company {
  color: rgba(255,255,255,.8);
  margin-top: .4rem;
  font-size: 1rem;
}
.hero-chips {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  justify-content: center;
  margin-top: 1.6rem;
}
.chip {
  background: rgba(255,255,255,.18);
  color: var(--white);
  padding: .3rem .85rem;
  border-radius: 99px;
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .03em;
  border: 1px solid rgba(255,255,255,.25);
}
.hero-scroll {
  margin-top: 2.5rem;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: .3rem;
  color: rgba(255,255,255,.7);
  font-size: .8rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  text-decoration: none;
  animation: bounce 2s infinite;
}
.hero-scroll svg { display: block; }
@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(8px); }
}

/* ─── MAIN LAYOUT ────────────────────────────────────────────── */
main { max-width: 960px; margin: 0 auto; padding: 3rem 1rem 5rem; }

/* ─── SECTION CARD ───────────────────────────────────────────── */
.section-card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 2rem;
  margin-bottom: 2.5rem;
  border-top: 5px solid var(--orange-600);
}
.section-title {
  display: flex;
  align-items: center;
  gap: .7rem;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--orange-800);
  margin-bottom: 1.5rem;
}
.section-title .icon { font-size: 1.5rem; }

/* ─── INFORMACIÓN VITAL ──────────────────────────────────────── */
.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px,1fr));
  gap: 1rem;
}
.info-item {
  background: var(--orange-100);
  border-radius: var(--radius);
  padding: .8rem 1rem;
  border-left: 4px solid var(--orange-500);
}
.info-item .label {
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--orange-700);
  letter-spacing: .08em;
}
.info-item .value { font-size: .95rem; font-weight: 600; margin-top: .2rem; }

/* ─── FORMACIÓN ──────────────────────────────────────────────── */
.timeline { position: relative; padding-left: 1.4rem; }
.timeline::before {
  content: '';
  position: absolute;
  left: 4px; top: 6px;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--orange-500), var(--orange-200));
}
.tl-item {
  position: relative;
  margin-bottom: 1.3rem;
  padding-left: .8rem;
}
.tl-item::before {
  content: '';
  position: absolute;
  left: -1rem;
  top: 6px;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--orange-500);
  border: 2px solid var(--white);
  box-shadow: 0 0 0 2px var(--orange-500);
}
.tl-year {
  font-size: .78rem;
  font-weight: 700;
  color: var(--orange-700);
  letter-spacing: .06em;
}
.tl-title { font-weight: 600; font-size: .95rem; line-height: 1.4; }
.tl-sub   { font-size: .82rem; color: var(--gray); }

/* ─── CERTIFICACIONES ────────────────────────────────────────── */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px,1fr));
  gap: 1rem;
}
.cert-card {
  background: var(--orange-100);
  border-radius: var(--radius);
  padding: 1.2rem;
  border: 1px solid var(--orange-300);
  position: relative;
}
.cert-badge {
  position: absolute;
  top: -8px; right: 12px;
  background: var(--orange-600);
  color: var(--white);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .06em;
  padding: .15rem .6rem;
  border-radius: 99px;
}
.cert-name { font-weight: 700; font-size: .95rem; color: var(--orange-900); margin-top: .3rem; }
.cert-dates { font-size: .8rem; color: var(--gray); margin-top: .4rem; }
.cert-dates span { font-weight: 600; color: var(--orange-700); }

/* ─── HABILIDADES ────────────────────────────────────────────── */
.skill-group { margin-bottom: 1.4rem; }
.skill-group-title {
  font-size: .78rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--orange-700);
  letter-spacing: .1em;
  margin-bottom: .6rem;
  display: flex;
  align-items: center;
  gap: .4rem;
}
.skill-group-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--orange-300);
}
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
}
.tag {
  background: var(--orange-100);
  border: 1px solid var(--orange-300);
  color: var(--orange-900);
  padding: .28rem .75rem;
  border-radius: 99px;
  font-size: .78rem;
  font-weight: 600;
  transition: background var(--transition), color var(--transition);
}
.tag:hover { background: var(--orange-500); color: var(--white); border-color: var(--orange-500); }

/* ─── IDIOMAS ────────────────────────────────────────────────── */
.lang-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px,1fr));
  gap: 1rem;
}
.lang-card {
  background: var(--orange-100);
  border-radius: var(--radius);
  padding: 1rem 1.2rem;
  border-top: 3px solid var(--orange-500);
}
.lang-name { font-weight: 800; font-size: 1rem; color: var(--orange-800); margin-bottom: .6rem; }
.lang-row  { display: flex; align-items: center; justify-content: space-between; margin-bottom: .35rem; font-size: .82rem; }
.lang-label { color: var(--gray); }
.dots { display: flex; gap: 3px; }
.dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--orange-300);
}
.dot.filled { background: var(--orange-500); }

/* ─── EXPERIENCIA ────────────────────────────────────────────── */
.exp-item {
  border-radius: var(--radius);
  border: 1px solid #eee;
  margin-bottom: 1rem;
  overflow: hidden;
}
.exp-header {
  background: linear-gradient(90deg, var(--orange-100), var(--white));
  padding: 1rem 1.2rem;
  display: flex;
  align-items: center;
  gap: .75rem;
  cursor: pointer;
  user-select: none;
  transition: background var(--transition);
}
.exp-header:hover { background: var(--orange-100); }
.exp-info { flex: 1 1 0; min-width: 0; }
.exp-right {
  display: flex;
  align-items: center;
  gap: .4rem;
  flex-shrink: 0;
}
.exp-company { font-weight: 800; font-size: .95rem; color: var(--orange-800); }
.exp-location { font-weight: 400; color: var(--gray); }
.exp-role    { font-size: .82rem; color: var(--gray); margin-top: .15rem; }
.exp-project { font-size: .8rem; font-style: italic; color: var(--orange-700); margin-top: .1rem; }
.exp-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: .2rem;
}
.exp-period {
  font-size: .78rem;
  font-weight: 700;
  color: var(--orange-600);
  white-space: nowrap;
}
.exp-duration {
  font-size: .72rem;
  background: var(--orange-500);
  color: var(--white);
  padding: .1rem .5rem;
  border-radius: 99px;
  font-weight: 700;
}
.exp-toggle {
  font-size: 1.2rem;
  color: var(--orange-500);
  margin-left: .5rem;
  align-self: center;
  transition: transform var(--transition);
}
.exp-item.open .exp-toggle { transform: rotate(180deg); }
.exp-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s ease;
  padding: 0 1.2rem;
}
.exp-item.open .exp-body { max-height: 600px; padding: .8rem 1.2rem 1.2rem; }
.exp-desc { font-size: .88rem; color: var(--gray); margin-bottom: .6rem; }
.exp-sector { font-size: .78rem; font-weight: 700; color: var(--orange-700); margin-bottom: .3rem; }
.exp-highlights { font-size: .82rem; color: var(--dark); margin-bottom: .6rem; }
.eco-label { font-size: .72rem; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; color: var(--orange-700); margin-bottom: .3rem; }

/* ─── SCROLL TO TOP ──────────────────────────────────────────── */
#scrollTop {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  width: 48px; height: 48px;
  background: var(--orange-600);
  color: var(--white);
  border: none;
  border-radius: 50%;
  box-shadow: 0 4px 14px rgba(0,0,0,.3);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 998;
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: opacity .3s, transform .3s, background .2s;
}
#scrollTop.visible { opacity: 1; pointer-events: all; transform: translateY(0); }
#scrollTop:hover { background: var(--orange-800); }

/* ─── FOOTER ─────────────────────────────────────────────────── */
footer {
  text-align: center;
  padding: 2rem 1rem;
  color: var(--orange-700);
  font-size: .82rem;
  border-top: 1px solid var(--orange-300);
}

/* ─── RESPONSIVE ─────────────────────────────────────────────── */
@media (max-width: 600px) {
  .section-card { padding: 1.4rem 1rem; }
  .exp-header   { align-items: flex-start; }
  .exp-right    { flex-direction: column; align-items: flex-end; gap: .2rem; }
  .exp-meta     { align-items: flex-end; }
}