/* ==========================================================================
   Víctor López - Landing Page (HTML + CSS)
   Enfoque: legibilidad, performance, accesibilidad y estética moderna.
   ========================================================================== */

/* Reset básico */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html:focus-within {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Manrope", "Segoe UI", sans-serif;
  line-height: 1.6;
  color: var(--text);
  background:
    radial-gradient(
      1200px 600px at 20% 0%,
      var(--glow-a),
      transparent 60%
    ),
    radial-gradient(
      900px 500px at 100% 10%,
      var(--glow-b),
      transparent 60%
    ),
    var(--bg);
}

/* Variables */
:root {
  --bg: #f4f7fb;
  --surface: rgba(255, 255, 255, 0.85);
  --surface-2: rgba(255, 255, 255, 0.97);
  --border: rgba(19, 32, 53, 0.16);

  --text: #182235;
  --muted: #4f5f78;

  --accent: #f35a13;
  --accent-2: #2f7d5b;
  --glow-a: rgba(243, 90, 19, 0.14);
  --glow-b: rgba(47, 125, 91, 0.12);
  --header-bg: rgba(244, 247, 251, 0.75);
  --header-border: rgba(19, 32, 53, 0.1);
  --chip-bg: #edf3ff;
  --chip-text: #263654;
  --chip-border: rgba(19, 32, 53, 0.2);

  --shadow: 0 18px 45px rgba(20, 35, 56, 0.14);
  --radius: 16px;

  --container: 1120px;
  --gap: clamp(14px, 2vw, 22px);
}

:root[data-theme="dark"] {
  --bg: #1d140f;
  --surface: rgba(58, 40, 31, 0.76);
  --surface-2: rgba(76, 52, 39, 0.9);
  --border: rgba(255, 201, 156, 0.24);
  --text: #f9ece0;
  --muted: #dfc5b1;
  --accent: #ff8f4c;
  --accent-2: #d89a5c;
  --glow-a: rgba(255, 122, 63, 0.26);
  --glow-b: rgba(195, 108, 56, 0.2);
  --header-bg: rgba(29, 20, 15, 0.82);
  --header-border: rgba(255, 201, 156, 0.24);
  --chip-bg: rgba(92, 63, 46, 0.75);
  --chip-text: #f3dfcf;
  --chip-border: rgba(255, 201, 156, 0.28);
  --shadow: 0 18px 45px rgba(0, 0, 0, 0.42);
}

h1,
h2,
h3 {
  font-family: "Sora", "Manrope", sans-serif;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f4f7fb;
    --surface: rgba(255, 255, 255, 0.85);
    --surface-2: rgba(255, 255, 255, 0.97);
    --border: rgba(19, 32, 53, 0.16);
    --text: #182235;
    --muted: #4f5f78;
    --shadow: 0 18px 45px rgba(20, 35, 56, 0.14);
    --header-bg: rgba(244, 247, 251, 0.75);
    --header-border: rgba(19, 32, 53, 0.1);
    --chip-bg: #edf3ff;
    --chip-text: #263654;
    --chip-border: rgba(19, 32, 53, 0.2);
  }

  body {
    background:
      radial-gradient(
        1200px 600px at 20% 0%,
        var(--glow-a),
        transparent 60%
      ),
      radial-gradient(
        900px 500px at 100% 10%,
        var(--glow-b),
        transparent 60%
      ),
      var(--bg);
  }
}

a {
  color: inherit;
}

a:hover {
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

strong {
  font-weight: 650;
}

/* Accesibilidad */
.skip-link {
  position: absolute;
  left: 12px;
  top: 10px;
  transform: translateY(-200%);
  padding: 10px 12px;
  border-radius: 10px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  z-index: 1000;
}

.skip-link:focus-visible {
  transform: translateY(0);
  outline: 3px solid rgba(243, 90, 19, 0.5);
  outline-offset: 4px;
}

:focus-visible {
  outline: 3px solid rgba(243, 90, 19, 0.55);
  outline-offset: 4px;
  border-radius: 10px;
}

/* Reducir movimiento si el usuario lo prefiere */
@media (prefers-reduced-motion: reduce) {
  html:focus-within {
    scroll-behavior: auto;
  }
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Layout */
.container {
  width: min(100% - 40px, var(--container));
  margin-inline: auto;
}

.section {
  padding: clamp(44px, 6vw, 84px) 0;
  content-visibility: auto;
  contain-intrinsic-size: 1px 780px;
}

.section.alt {
  background: linear-gradient(
    180deg,
    transparent,
    var(--surface),
    transparent
  );
}

.section-head {
  max-width: 70ch;
  margin-bottom: clamp(18px, 3vw, 28px);
}

.section-head h2 {
  margin: 0 0 10px;
  font-size: clamp(24px, 3.2vw, 36px);
  letter-spacing: -0.02em;
}

.section-head p {
  margin: 0;
  color: var(--muted);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
  background: var(--header-bg);
  border-bottom: 1px solid var(--header-border);
}

@media (prefers-color-scheme: light) {
  .site-header {
    background: var(--header-bg);
    border-bottom: 1px solid var(--header-border);
  }
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--gap);
  padding: 14px 0;
}

.header-controls {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.control-group {
  display: inline-flex;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  background: var(--surface);
}

.toggle-btn {
  border: 0;
  background: transparent;
  color: var(--muted);
  padding: 7px 10px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
}

.toggle-btn.active {
  background: rgba(243, 90, 19, 0.16);
  color: var(--text);
}

.theme-btn {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  border-radius: 12px;
  padding: 7px 10px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 650;
  cursor: pointer;
}

.theme-btn:hover {
  background: var(--surface-2);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.brand-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: rgba(243, 90, 19, 0.18);
  border: 1px solid rgba(243, 90, 19, 0.35);
  font-weight: 750;
  letter-spacing: 0.02em;
}

.brand-text {
  font-weight: 700;
  letter-spacing: -0.01em;
}

.nav {
  display: flex;
  align-items: center;
  gap: 14px;
}

.nav a {
  text-decoration: none;
  color: var(--muted);
  padding: 8px 10px;
  border-radius: 12px;
}

.nav a:hover {
  color: var(--text);
  background: var(--surface);
}

.nav-cta {
  color: var(--text) !important;
  border: 1px solid rgba(243, 90, 19, 0.35);
  background: rgba(243, 90, 19, 0.14);
}

.nav-cta:hover {
  background: rgba(243, 90, 19, 0.2) !important;
}

@media (max-width: 760px) {
  .nav {
    display: none;
  }
  .header-inner {
    flex-wrap: wrap;
  }
}

/* Hero */
.hero {
  padding: clamp(36px, 6vw, 80px) 0;
  content-visibility: visible;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.55fr 0.85fr;
  gap: clamp(18px, 3vw, 28px);
  align-items: start;
}

.hero-card {
  padding: clamp(18px, 3vw, 28px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: linear-gradient(
    180deg,
    var(--surface-2),
    var(--surface)
  );
  box-shadow: var(--shadow);
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: clamp(16px, 3vw, 28px);
}

.hero-media {
  display: grid;
  gap: 12px;
  align-content: start;
}

.hero-media picture img {
  width: 240px;
  height: 240px;
  border-radius: 999px;
  border: 1px solid rgba(19, 32, 53, 0.15);
  box-shadow: 0 18px 40px rgba(20, 35, 56, 0.2);
  object-fit: cover;
}

.hero-badge {
  display: inline-flex;
  gap: 10px;
  align-items: center;
  width: fit-content;
  padding: 8px 10px;
  border-radius: 999px;
  background: rgba(47, 125, 91, 0.14);
  border: 1px solid rgba(47, 125, 91, 0.32);
  color: var(--text);
  font-size: 14px;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent-2);
  box-shadow: 0 0 0 6px rgba(216, 154, 92, 0.22);
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 12px;
}

.hero-content h1 {
  margin: 0 0 10px;
  font-size: clamp(28px, 3.6vw, 46px);
  line-height: 1.12;
  letter-spacing: -0.03em;
}

.lead {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: clamp(16px, 1.6vw, 18px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 18px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  text-decoration: none;
  font-weight: 650;
  transition:
    transform 160ms ease,
    background 160ms ease,
    border-color 160ms ease;
}

.btn:hover {
  transform: translateY(-1px);
  background: var(--surface-2);
}

.btn.primary {
  border-color: rgba(243, 90, 19, 0.45);
  background: rgba(243, 90, 19, 0.18);
}

.btn.primary:hover {
  background: rgba(243, 90, 19, 0.24);
}

.btn.ghost {
  background: transparent;
}

.btn.small {
  padding: 9px 12px;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 10px;
  margin: 0;
  padding: 0;
}

.hero-metrics > div {
  padding: 12px 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--surface-2);
}

.hero-metrics dt {
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.hero-metrics dd {
  margin: 2px 0 0;
  font-weight: 700;
  font-size: clamp(1rem, 2.2vw, 1.2rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  overflow-wrap: anywhere;
}

.hero-aside {
  display: grid;
  gap: var(--gap);
}

.panel {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 18px;
}

.panel-title {
  margin: 0 0 10px;
  font-size: 18px;
  letter-spacing: -0.01em;
}

.panel-subtitle {
  margin: 18px 0 10px;
  font-size: 15px;
  color: var(--text);
}

.stack {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
}

.stack span {
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--chip-border);
  background: var(--chip-bg);
  font-size: 14px;
  font-weight: 600;
  color: var(--chip-text);
  line-height: 1.2;
  letter-spacing: 0.01em;
}

.checklist {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
}

.checklist li {
  margin: 8px 0;
}

@media (max-width: 980px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .hero-card {
    grid-template-columns: 1fr;
  }
  .hero-media picture img {
    width: 180px;
    height: 180px;
  }
}

/* Cards and grids */
.two-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap);
}

.card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  background: var(--surface);
}

.card h3 {
  margin: 0 0 10px;
  letter-spacing: -0.01em;
}

.bullets {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
}

.bullets li {
  margin: 8px 0;
}

.muted {
  color: var(--muted);
}

/* Timeline */
.timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--gap);
}

.timeline-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 18px;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: var(--gap);
}

.timeline-meta p {
  margin: 0;
}

.timeline-role {
  font-weight: 750;
  letter-spacing: -0.01em;
}

.timeline-org {
  margin-top: 6px !important;
  color: var(--muted);
}

.timeline-time {
  margin-top: 6px !important;
  color: var(--muted);
  font-size: 14px;
}

.timeline-body p {
  margin: 0 0 10px;
  color: var(--muted);
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
}

.chips span {
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--chip-border);
  background: var(--chip-bg);
  font-size: 14px;
  font-weight: 600;
  color: var(--chip-text);
  line-height: 1.2;
  letter-spacing: 0.01em;
}

@media (max-width: 980px) {
  .two-cols {
    grid-template-columns: 1fr;
  }
  .timeline-item {
    grid-template-columns: 1fr;
  }
}

/* Skills */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--gap);
}

@media (max-width: 980px) {
  .skills-grid {
    grid-template-columns: 1fr;
  }
}

/* Projects */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--gap);
}

.project {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  background: var(--surface);
  transition:
    transform 160ms ease,
    background 160ms ease,
    border-color 160ms ease;
}

.project:hover {
  transform: translateY(-2px);
  background: var(--surface-2);
  border-color: rgba(243, 90, 19, 0.34);
}

.project h3 {
  margin: 0 0 10px;
  letter-spacing: -0.01em;
}

.project p {
  margin: 0 0 10px;
  color: var(--muted);
}

.project.private {
  border-style: dashed;
}

.projects-highlight {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--gap);
  margin-bottom: clamp(14px, 2.8vw, 24px);
}

.project.featured {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(
      520px 180px at 0% 0%,
      rgba(243, 90, 19, 0.16),
      transparent 65%
    ),
    var(--surface);
}

.project.featured::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 120px;
  height: 120px;
  border-radius: 0 0 100% 0;
  background: rgba(243, 90, 19, 0.16);
  pointer-events: none;
}

.project-kicker {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.project-points {
  margin: 0 0 12px;
  padding-left: 18px;
  color: var(--muted);
}

.project-points li {
  margin: 7px 0;
}

.activity-metrics {
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.activity-metrics div {
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface-2);
}

.activity-metrics dt {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.activity-metrics dd {
  margin: 4px 0 0;
  font-size: 14px;
  color: var(--text);
}

.link {
  display: inline-flex;
  margin-top: 8px;
  color: var(--text);
  text-decoration: none;
  font-weight: 650;
}

.link:hover {
  text-decoration: underline;
}

@media (max-width: 1100px) {
  .projects-highlight {
    grid-template-columns: 1fr;
  }
  .projects-grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .hero-card,
  .panel,
  .project,
  .timeline-item,
  .card {
    animation: rise 460ms ease both;
  }
}

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

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap);
}

.contact-line {
  margin: 10px 0;
  color: var(--muted);
}

.label {
  display: inline-block;
  width: 86px;
  color: var(--muted);
}

@media (max-width: 980px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

/* Footer */
.site-footer {
  padding: 22px 0;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.site-footer p {
  margin: 0;
}