/* ==========================================================================
   Manuel Domínguez — CV
   HTML/CSS/JS vainilla. Moderno, profesional y responsive.
   ========================================================================== */

/* ---------- Variables y reset ---------- */
:root {
  --color-bg: #f4f6f9;
  --color-surface: #ffffff;
  --color-dark: #0e1b2d;
  --color-dark-2: #14253d;
  --color-accent: #ff6238;
  --color-accent-soft: #fff0ea;
  --color-text: #1f2733;
  --color-muted: #5b6472;
  --color-border: #e2e7ee;
  --color-line: rgba(255, 255, 255, 0.14);

  --font-base: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;

  --shadow-sm: 0 1px 2px rgba(14, 27, 45, 0.06), 0 4px 12px rgba(14, 27, 45, 0.05);
  --shadow-md: 0 6px 18px rgba(14, 27, 45, 0.08);
  --shadow-lg: 0 20px 45px rgba(14, 27, 45, 0.18);

  --header-h: 72px;
  --container: 1080px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-base);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img,
svg {
  display: block;
  max-width: 100%;
}

h1,
h2,
h3,
p,
ul {
  margin: 0;
}

ul {
  padding: 0;
  list-style: none;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  cursor: pointer;
  border: 0;
  background: none;
  color: inherit;
}

section[id] {
  scroll-margin-top: calc(var(--header-h) + 16px);
}

.icon {
  width: 1.2em;
  height: 1.2em;
  flex-shrink: 0;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 24px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 8px;
  z-index: 200;
  padding: 10px 16px;
  background: var(--color-accent);
  color: #fff;
  border-radius: var(--radius-sm);
  font-weight: 600;
}

.skip-link:focus {
  left: 8px;
}

/* ---------- Botones ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 20px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  line-height: 1.2;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background-color 0.18s ease, color 0.18s ease;
}

.btn:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--color-accent) 55%, transparent);
  outline-offset: 2px;
}

.btn-primary {
  background: var(--color-accent);
  color: #fff;
  box-shadow: 0 8px 20px rgba(255, 98, 56, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 26px rgba(255, 98, 56, 0.42);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  border: 1px solid var(--color-line);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-2px);
}

.btn-download {
  background: var(--color-accent);
  color: #fff;
  padding: 10px 18px;
  font-size: 0.88rem;
}

.btn-download:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 22px rgba(255, 98, 56, 0.38);
}

.btn-lg {
  padding: 15px 28px;
  font-size: 1.02rem;
}

/* ---------- Cabecera / Navegación ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(14, 27, 45, 0.92);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-line);
  transition: box-shadow 0.25s ease, background-color 0.25s ease;
}

.site-header.is-scrolled {
  background: rgba(10, 20, 34, 0.97);
  box-shadow: 0 8px 26px rgba(0, 0, 0, 0.28);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: var(--header-h);
}

.brand {
  display: inline-flex;
  align-items: center;
  font-size: 1.25rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: 0.02em;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--color-accent);
  color: #fff;
  font-size: 1rem;
}

.brand-dot {
  color: var(--color-accent);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  display: block;
  padding: 8px 14px;
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.94rem;
  font-weight: 500;
  transition: color 0.15s ease, background-color 0.15s ease;
}

.nav-link:hover,
.nav-link:focus-visible {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

.nav-link.is-active {
  color: #fff;
  background: rgba(255, 98, 56, 0.18);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  padding: 10px;
}

.nav-toggle-bar {
  width: 100%;
  height: 2px;
  border-radius: 2px;
  background: #fff;
  transition: transform 0.25s ease, opacity 0.2s ease;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---------- Secciones ---------- */
.section {
  padding-block: 96px;
}

.section-alt {
  background: var(--color-surface);
  border-block: 1px solid var(--color-border);
}

.section-head {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 48px;
}

.section-number {
  font-weight: 800;
  font-size: 1rem;
  color: var(--color-accent);
  letter-spacing: 0.08em;
}

.section-title {
  font-size: clamp(1.7rem, 4vw, 2.3rem);
  font-weight: 800;
  color: var(--color-dark);
  letter-spacing: -0.02em;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  color: #fff;
  background:
    radial-gradient(1000px 480px at 88% -10%, rgba(255, 98, 56, 0.22), transparent 60%),
    radial-gradient(800px 420px at -10% 110%, rgba(56, 120, 255, 0.16), transparent 60%),
    linear-gradient(160deg, var(--color-dark) 0%, var(--color-dark-2) 55%, #10233d 100%);
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 44px 44px;
  -webkit-mask-image: radial-gradient(ellipse at 30% 20%, #000 30%, transparent 75%);
  mask-image: radial-gradient(ellipse at 30% 20%, #000 30%, transparent 75%);
}

.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 56px;
  align-items: center;
  padding-block: 96px 104px;
}

.eyebrow {
  display: inline-block;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 16px;
}

.hero-name {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: -0.03em;
  margin-bottom: 8px;
}

.hero-last {
  color: var(--color-accent);
}

.hero-role {
  font-size: clamp(1.15rem, 2.6vw, 1.5rem);
  font-weight: 500;
  color: rgba(255, 255, 255, 0.92);
  margin-bottom: 20px;
}

.hero-role strong {
  font-weight: 700;
}

.hero-location {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.95rem;
  margin-bottom: 24px;
}

.hero-location .icon {
  color: var(--color-accent);
}

.hero-tagline {
  max-width: 56ch;
  color: rgba(255, 255, 255, 0.78);
  font-size: 1.05rem;
  margin-bottom: 36px;
}

.hero-tagline strong {
  color: #fff;
  font-weight: 600;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* Tarjeta de contacto del hero */
.hero-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: 28px;
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow-lg);
}

.monogram {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--color-accent), #ff8a5c);
  color: #fff;
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 24px;
  box-shadow: 0 10px 24px rgba(255, 98, 56, 0.4);
}

.contact-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.contact-list a {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 11px 12px;
  border-radius: var(--radius-sm);
  color: rgba(255, 255, 255, 0.88);
  transition: background-color 0.15s ease, color 0.15s ease, transform 0.15s ease;
}

.contact-list a:hover,
.contact-list a:focus-visible {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  transform: translateX(3px);
}

.contact-list .icon {
  color: var(--color-accent);
  font-size: 1.1rem;
}

.contact-list .contact-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.5);
}

.contact-list .contact-value {
  display: block;
  font-size: 0.93rem;
  font-weight: 500;
  word-break: break-word;
}

/* ---------- Sobre mí ---------- */
.about-text {
  max-width: 78ch;
  font-size: 1.08rem;
  color: var(--color-text);
}

.about-text p + p {
  margin-top: 18px;
}

.about-text strong {
  color: var(--color-dark);
  font-weight: 700;
}

/* ---------- Skills ---------- */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.skill-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 26px 24px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.skill-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: color-mix(in srgb, var(--color-accent) 40%, var(--color-border));
}

.skill-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: var(--color-accent-soft);
  color: var(--color-accent);
  margin-bottom: 16px;
}

.skill-icon .icon {
  width: 24px;
  height: 24px;
}

.skill-card h3 {
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 8px;
}

.skill-card p {
  font-size: 0.92rem;
  color: var(--color-muted);
  line-height: 1.55;
}

/* ---------- Experiencia (línea de tiempo) ---------- */
.timeline {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.timeline::before {
  content: "";
  position: absolute;
  top: 8px;
  bottom: 8px;
  left: 6px;
  width: 2px;
  background: linear-gradient(180deg, var(--color-accent), color-mix(in srgb, var(--color-accent) 25%, transparent));
}

.job {
  position: relative;
  padding-left: 40px;
}

.job::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-accent);
  border: 3px solid var(--color-bg);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-accent) 28%, transparent);
}

.job-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.job-company {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--color-dark);
  letter-spacing: -0.01em;
}

.job-role {
  font-weight: 600;
  color: var(--color-accent);
}

.job-meta {
  text-align: right;
}

.job-location {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9rem;
  color: var(--color-muted);
}

.job-location .icon {
  color: var(--color-accent);
}

.job-period {
  display: block;
  margin-top: 4px;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-muted);
}

.job-details {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.job-details li {
  position: relative;
  padding-left: 22px;
  color: var(--color-text);
  font-size: 0.97rem;
}

.job-details li::before {
  content: "›";
  position: absolute;
  left: 2px;
  top: 0;
  color: var(--color-accent);
  font-weight: 700;
}

/* ---------- Formación ---------- */
.education {
  display: flex;
  align-items: center;
  gap: 24px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  max-width: 820px;
}

.education-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: var(--color-accent-soft);
  color: var(--color-accent);
  flex-shrink: 0;
}

.education-icon .icon {
  width: 28px;
  height: 28px;
}

.education-body {
  flex: 1;
}

.education-body h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-dark);
}

.education-body p {
  color: var(--color-muted);
  font-size: 0.95rem;
}

.education-year {
  font-weight: 700;
  color: var(--color-accent);
  font-size: 1rem;
  white-space: nowrap;
}

/* ---------- Proyectos ---------- */
.project {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-md);
}

.project-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.project-titles h3 {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-dark);
  letter-spacing: -0.01em;
}

.project-subtitle {
  color: var(--color-muted);
  font-weight: 500;
  margin-top: 2px;
}

.project-period {
  font-weight: 600;
  color: var(--color-accent);
  font-size: 0.95rem;
  white-space: nowrap;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
}

.project-tags li {
  padding: 5px 13px;
  border-radius: 999px;
  background: var(--color-accent-soft);
  color: var(--color-accent);
  font-size: 0.83rem;
  font-weight: 600;
}

.project-details {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.project-details li {
  position: relative;
  padding-left: 22px;
  color: var(--color-text);
  font-size: 0.97rem;
}

.project-details li::before {
  content: "›";
  position: absolute;
  left: 2px;
  top: 0;
  color: var(--color-accent);
  font-weight: 700;
}

/* ---------- Contacto ---------- */
.contact-section {
  background:
    radial-gradient(900px 460px at 85% 0%, rgba(255, 98, 56, 0.12), transparent 60%),
    var(--color-surface);
  border-block: 1px solid var(--color-border);
}

.contact-call {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: 28px;
  max-width: 60ch;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 36px;
}

.contact-grid a {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  height: 100%;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 22px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.contact-grid a:hover,
.contact-grid a:focus-visible {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: color-mix(in srgb, var(--color-accent) 40%, var(--color-border));
}

.contact-grid .icon {
  color: var(--color-accent);
  width: 26px;
  height: 26px;
}

.contact-grid-label {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-muted);
}

.contact-grid-value {
  font-weight: 600;
  color: var(--color-dark);
  word-break: break-word;
  font-size: 0.95rem;
}

.contact-download {
  display: flex;
  justify-content: center;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-dark);
  color: rgba(255, 255, 255, 0.72);
  padding-block: 48px;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  text-align: center;
}

.footer-name {
  font-weight: 600;
  color: #fff;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}

.footer-links a {
  padding: 6px 12px;
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.92rem;
  transition: color 0.15s ease, background-color 0.15s ease;
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.footer-copy {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.48);
}

/* ---------- Botón volver arriba ---------- */
.back-to-top {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 90;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: var(--color-accent);
  color: #fff;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s;
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: color-mix(in srgb, var(--color-accent) 88%, #000);
}

/* ---------- Animaciones de aparición ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.001s !important;
    transition-duration: 0.001s !important;
  }
}

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .skills-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 40px;
    padding-block: 72px 80px;
  }
}

@media (max-width: 860px) {
  .nav-toggle {
    display: inline-flex;
  }

  .nav-menu {
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 14px 20px 20px;
    background: var(--color-dark);
    border-bottom: 1px solid var(--color-line);
    box-shadow: 0 24px 40px rgba(0, 0, 0, 0.3);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity 0.22s ease, transform 0.22s ease, visibility 0.22s;
  }

  .nav-menu.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .nav-link {
    padding: 12px 14px;
    font-size: 1rem;
  }

  .section {
    padding-block: 72px;
  }

  .hero-inner {
    padding-block: 60px 68px;
  }
}

@media (max-width: 600px) {
  .container {
    padding-inline: 18px;
  }

  .btn-download span {
    display: none;
  }

  .btn-download {
    width: 44px;
    height: 44px;
    padding: 0;
    border-radius: 12px;
  }

  .section {
    padding-block: 60px;
  }

  .section-head {
    margin-bottom: 36px;
  }

  .skills-grid {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .job-meta {
    text-align: left;
  }

  .job {
    padding-left: 34px;
  }

  .project {
    padding: 26px 22px;
  }

  .education {
    flex-wrap: wrap;
    gap: 16px;
    padding: 22px;
  }

  .hero-actions .btn {
    flex: 1 1 auto;
  }

  .hero-actions {
    flex-direction: column;
  }
}

@media (max-width: 380px) {
  .contact-grid-value {
    font-size: 0.88rem;
  }
}