:root {
  --bg: #070b14;
  --panel: #0e1423;
  --panel-2: #121a2b;
  --line: #222f49;
  --line-soft: #2d3d5f;
  --text: #edf2ff;
  --muted: #aebad5;
  --accent: #f3c74f;
  --radius-xl: 26px;
  --radius-lg: 18px;
  --radius-md: 14px;
  --shadow: 0 18px 40px rgba(0, 0, 0, 0.45);
}

body.light {
  --bg: #f2f6ff;
  --panel: #ffffff;
  --panel-2: #f7faff;
  --line: #dae4f5;
  --line-soft: #c8d5ee;
  --text: #14213a;
  --muted: #4f6284;
  --accent: #c69616;
  --shadow: 0 14px 30px rgba(25, 45, 78, 0.14);
}

* { box-sizing: border-box; }

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: Poppins, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 0 -10%, rgba(45, 71, 121, 0.35), transparent 42%),
    radial-gradient(circle at 100% -12%, rgba(150, 115, 32, 0.2), transparent 36%),
    var(--bg);
}

main {
  max-width: 1220px;
  margin: 0 auto;
  padding: 24px 16px;
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 16px;
}

.sidebar,
.main-content {
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: linear-gradient(165deg, var(--panel-2), var(--panel));
  box-shadow: var(--shadow);
}

.sidebar {
  padding: 18px;
  height: fit-content;
  position: sticky;
  top: 10px;
}

.sidebar-info { display: grid; justify-items: center; }
.avatar-box { margin: 6px 0 12px; }
.avatar-box img {
  width: 112px;
  height: 112px;
  border-radius: 22px;
  object-fit: cover;
  object-position: center 24%;
  border: 1px solid var(--line-soft);
}

.name {
  margin: 0;
  text-align: center;
  font-size: 44px;
  line-height: 0.94;
  letter-spacing: -0.03em;
}

.title {
  margin: 12px 0 10px;
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
  text-align: center;
  border: 1px solid var(--line-soft);
  background: rgba(23, 34, 55, 0.72);
  border-radius: 999px;
  padding: 6px 12px;
}

body.light .title { background: rgba(198, 150, 22, 0.1); }

.hero-tagline {
  margin: 2px 0 10px;
  max-width: 230px;
  text-align: center;
  font-size: 12px;
  line-height: 1.45;
  color: var(--muted);
}

.info_more-btn {
  width: 100%;
  border: 1px solid var(--line-soft);
  background: rgba(21, 31, 50, 0.7);
  color: var(--text);
  border-radius: 12px;
  padding: 10px;
  font-weight: 700;
  cursor: pointer;
  display: none;
}

.separator { height: 1px; background: var(--line); margin: 14px 0; }

.contacts-list,
.contact-list-direct,
.social-list-direct,
.filter-list,
.project-list,
.timeline-list { list-style: none; margin: 0; padding: 0; }

.contacts-list { display: grid; gap: 10px; }

.contact-item,
.contact-item-direct {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 10px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(17, 25, 41, 0.7);
  padding: 10px;
}

body.light .contact-item,
body.light .contact-item-direct { background: rgba(255, 255, 255, 0.86); }

.icon-box {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  border: 1px solid var(--line-soft);
  color: var(--accent);
  display: grid;
  place-items: center;
  font-size: 12px;
  font-weight: 800;
}

.icon-box i {
  font-size: 19px;
  line-height: 1;
}

.contact-title {
  margin: 0;
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
}

.contact-info,
.contact-info address,
.contact-link {
  font-size: 14px;
  color: var(--text);
  text-decoration: none;
  font-style: normal;
  margin: 2px 0 0;
}

.contact-info .contact-link {
  display: block;
}

.download-links {
  display: grid;
  gap: 4px;
}

.download-link {
  display: inline-flex !important;
  align-items: center;
  gap: 6px;
  font-weight: 600;
}

.download-link i {
  color: var(--accent);
  font-size: 14px;
}

body[data-lang="es"] .download-en {
  display: none !important;
}

body[data-lang="en"] .download-es {
  display: none !important;
}

.main-content { padding: 12px; }

.navbar {
  position: sticky;
  top: 8px;
  z-index: 8;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(16, 24, 39, 0.9);
  backdrop-filter: blur(8px);
}

body.light .navbar { background: rgba(255, 255, 255, 0.9); }

.navbar-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 8px;
  list-style: none;
}

.navbar-link {
  border: 1px solid transparent;
  background: transparent;
  color: var(--muted);
  border-radius: 10px;
  font-size: 14px;
  font-weight: 700;
  padding: 8px 12px;
  cursor: pointer;
}

.navbar-link:hover { border-color: var(--line-soft); color: var(--text); }
.navbar-link.active {
  color: var(--accent);
  border-color: rgba(243, 199, 79, 0.3);
  background: rgba(15, 24, 39, 0.72);
}

body.light .navbar-link.active { background: rgba(198, 150, 22, 0.12); }

.lang-switch .navbar-link { min-width: 46px; }

article { display: none; padding: 18px 6px 4px; }
article.active { display: block; animation: pageIn 0.28s ease; }

@keyframes pageIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.h2 {
  margin: 0 0 14px;
  font-size: 38px;
  letter-spacing: -0.03em;
}

.article-title {
  position: relative;
  padding-bottom: 10px;
}

.article-title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 46px;
  height: 3px;
  border-radius: 3px;
  background: var(--accent);
}

.h3 { margin: 0; font-size: 28px; }
.h4 { margin: 0; font-size: 20px; }

.about-text p,
.timeline-text,
.contact-text,
.project-category {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.62;
}

.kpi-strip {
  margin-top: 10px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.kpi-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(17, 25, 41, 0.75);
  padding: 12px 10px;
  text-align: center;
}

body.light .kpi-card {
  background: rgba(255, 255, 255, 0.88);
}

.kpi-value {
  margin: 0;
  color: var(--accent);
  font-size: 30px;
  line-height: 1;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.kpi-label {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.35;
}

.service,
.timeline,
.projects { margin-top: 14px; }
.service-title,
.form-title { margin: 0 0 10px; font-size: 30px; }

.service-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.service-item,
.project-item a,
.social-link-direct {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(17, 25, 41, 0.75);
}

.service-item { padding: 14px; }
.service-item-title { margin-bottom: 6px; }
.service-item-text { margin: 0; color: var(--muted); font-size: 14px; }

.impact-list {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  display: grid;
  gap: 8px;
}

.title-wrapper {
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.timeline-section-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  border: 1px solid var(--line-soft);
  background: rgba(12, 20, 36, 0.9);
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.03), 0 8px 20px rgba(0, 0, 0, 0.35);
}

.timeline-section-icon i {
  font-size: 20px;
  line-height: 1;
}

body.light .timeline-section-icon {
  background: #ffffff;
  box-shadow: 0 6px 16px rgba(26, 42, 75, 0.12);
}

.timeline-list {
  position: relative;
  margin: 0 0 0 22px;
  padding: 0 0 0 28px;
  display: grid;
  gap: 14px;
}

.timeline-list::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 1px;
  background: linear-gradient(to bottom, rgba(243, 199, 79, 0.38), rgba(243, 199, 79, 0.08));
}

.timeline-item {
  position: relative;
  padding: 0 0 8px 12px;
  border: 0;
  border-radius: 0;
  background: transparent;
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.45s ease, transform 0.45s ease;
}

.timeline-item::before {
  content: "";
  position: absolute;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  left: -34px;
  top: 8px;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(243, 199, 79, 0.18);
}

.timeline-item.in-view {
  opacity: 1;
  transform: translateY(0);
}

.timeline-item > span {
  display: block;
  margin: 6px 0;
  color: var(--text);
  font-weight: 700;
}

.resume .timeline-item-title {
  color: var(--accent);
}

.filter-list { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; }
.filter-item button {
  border: 1px solid var(--line-soft);
  background: rgba(16, 24, 39, 0.7);
  color: var(--muted);
  border-radius: 10px;
  padding: 8px 10px;
  cursor: pointer;
  font-weight: 700;
}
.filter-item button.active { color: var(--accent); border-color: rgba(243, 199, 79, 0.3); }

body.light .filter-item button {
  background: #e9eef8;
  border-color: #cfdaf0;
  color: #3f5377;
}

body.light .filter-item button:hover {
  background: #e1e9f7;
  color: #233656;
}

body.light .filter-item button.active {
  background: #f7efd9;
  border-color: #e3c980;
  color: #9f7100;
}

.project-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.project-item { display: none; }
.project-item.active { display: block; }
.project-item a { text-decoration: none; display: block; padding: 14px; min-height: 130px; }
.project-title { margin: 0 0 8px; color: var(--text); }

.contact-list-direct,
.social-list-direct { display: grid; gap: 10px; }
.social-link-direct {
  padding: 12px;
  text-decoration: none;
  color: var(--text);
  font-weight: 700;
  display: block;
}

body.light .service-item,
body.light .project-item a,
body.light .social-link-direct { background: rgba(255, 255, 255, 0.88); }

body.light .timeline-item {
  background: transparent;
}

/* Bilingual helpers */
.lang-block,
.lang-inline { display: none; }
body[data-lang="es"] .lang-es.lang-block { display: block; }
body[data-lang="en"] .lang-en.lang-block { display: block; }
body[data-lang="es"] .lang-es.lang-inline { display: inline; }
body[data-lang="en"] .lang-en.lang-inline { display: inline; }

/* Stagger animations */
.stagger > * {
  opacity: 0;
  transform: translateY(10px);
  animation: itemIn 0.45s ease forwards;
}

.timeline-list.stagger > .timeline-item {
  animation: none;
}

.stagger > *:nth-child(1) { animation-delay: 0.05s; }
.stagger > *:nth-child(2) { animation-delay: 0.1s; }
.stagger > *:nth-child(3) { animation-delay: 0.15s; }
.stagger > *:nth-child(4) { animation-delay: 0.2s; }
.stagger > *:nth-child(5) { animation-delay: 0.25s; }
.stagger > *:nth-child(6) { animation-delay: 0.3s; }
.stagger > *:nth-child(7) { animation-delay: 0.35s; }
.stagger > *:nth-child(8) { animation-delay: 0.4s; }
.stagger > *:nth-child(9) { animation-delay: 0.45s; }
.stagger > *:nth-child(10) { animation-delay: 0.5s; }
.stagger > *:nth-child(11) { animation-delay: 0.55s; }

@keyframes itemIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 1024px) {
  main { grid-template-columns: 1fr; max-width: 760px; }
  .sidebar { position: static; }
  .info_more-btn { display: block; }
  .sidebar-info_more { display: none; }
  .sidebar.active .sidebar-info_more { display: block; }
}

@media (max-width: 760px) {
  .h2 { font-size: 32px; }
  .h3,
  .service-title,
  .form-title { font-size: 24px; }
  .name { font-size: 36px; }
  .service-list,
  .project-list { grid-template-columns: 1fr; }
  .project-item a,
  .project-item > div { min-height: auto; padding: 12px; }
  .project-title { font-size: 16px; }
  .project-category { font-size: 14px; }
  .kpi-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .navbar-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 480px) {
  main { padding: 12px 8px; }
  .sidebar { padding: 14px; }
  .main-content { padding: 8px; }
  .h2 { font-size: 26px; }
  .name { font-size: 30px; }
  .project-item a,
  .project-item > div { padding: 10px; }
  .project-title { font-size: 15px; }
  .project-category { font-size: 13px; line-height: 1.5; }
  .filter-list { gap: 6px; }
  .filter-item button { padding: 6px 8px; font-size: 13px; }
  .kpi-strip { grid-template-columns: 1fr 1fr; gap: 8px; }
  .kpi-value { font-size: 24px; }
  .navbar-list { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 4px; padding: 6px; }
  .navbar-link { font-size: 13px; padding: 6px 8px; }
}