/* ══════════════════════════════════
   ESTILOS — portfolio.html
   ══════════════════════════════════ */

/* variables.css loaded via <link> in HTML */

/* ── SKIP TO CONTENT ── */
.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  background: var(--accent);
  color: #0d0d0d;
  padding: 0.6rem 1.2rem;
  border-radius: 0 0 4px 4px;
  font-family: "DM Mono", monospace;
  font-size: 0.85rem;
  font-weight: 500;
  z-index: 9999;
  transition: top 0.2s;
}

.skip-link:focus {
  top: 0;
}

/* ── VARIABLES ── */
/* :root → variables.css */
a {
  text-decoration: none;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: "Syne", sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ── GRID BACKGROUND ── */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image: linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: 0.15;
  pointer-events: none;
  z-index: -1;
}

/* ── NAV ── */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.2rem 4rem;
  background: rgba(13, 13, 13, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  font-family: "DM Mono", monospace;
  font-size: 0.9rem;
  color: var(--accent);
  letter-spacing: 0.05em;
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.85rem;
  font-family: "DM Mono", monospace;
  letter-spacing: 0.05em;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--accent);
}

.nav-links a.active-link {
  color: var(--accent);
}

/* ── PORTFOLIO HERO ── */
.portfolio-hero {
  min-height: 38vh;
  display: flex;
  align-items: flex-end;
  padding: 9rem 4rem 4rem;
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}

.portfolio-hero-glow {
  position: absolute;
  top: -120px;
  left: -80px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(232, 255, 71, 0.05) 0%, transparent 70%);
  pointer-events: none;
}

.portfolio-hero-subtitle {
  font-family: "DM Mono", monospace;
  font-size: 0.8rem;
  color: var(--accent);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.portfolio-hero-line {
  width: 24px;
  height: 1px;
  background: var(--accent);
  display: inline-block;
}

.portfolio-hero-title {
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.03em;
  margin-bottom: 1.2rem;
}

.portfolio-hero-title span {
  color: var(--accent);
}

.portfolio-hero-desc {
  font-family: "DM Mono", monospace;
  font-size: 0.9rem;
  color: var(--muted);
  max-width: 560px;
  line-height: 1.8;
  margin-bottom: 2rem;
}

.portfolio-hero-btn {
  font-size: 0.82rem;
}

/* ── HERO ── */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 4rem;
  padding: 8rem 4rem 4rem;
  position: relative;
  overflow: hidden;
  max-width: 1200px;
  margin: 0 auto;
}

.hero-glow {
  position: absolute;
  top: -100px;
  right: -100px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(232, 255, 71, 0.07) 0%, transparent 70%);
  pointer-events: none;
}

.hero-tag {
  font-family: "DM Mono", monospace;
  font-size: 0.8rem;
  color: var(--accent);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 1.2rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.hero-tag::before {
  content: "";
  width: 24px;
  height: 1px;
  background: var(--accent);
}

.hero h1 {
  font-size: clamp(2.8rem, 6vw, 5.5rem);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

.hero h1 span {
  color: var(--accent);
}

.hero-surname {
  display: block;
  font-size: 0.42em;
  font-weight: 700;
  letter-spacing: 0.01em;
  line-height: 1.4;
  margin-top: 0.15em;
}

.hero-desc {
  font-family: "DM Mono", monospace;
  font-size: 0.95rem;
  color: var(--muted);
  max-width: 480px;
  line-height: 1.8;
  margin-bottom: 2.5rem;
}

.hero-btns {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ── FOTO HERO ── */
.hero-photo-wrap {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.hero-photo-frame {
  position: relative;
  width: 320px;
  height: 380px;
}

.hero-photo-frame::before {
  content: "";
  position: absolute;
  inset: -2px;
  border: 1px solid var(--border);
  border-radius: 12px;
}

.hero-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  border-radius: 10px;
  filter: grayscale(20%);
  box-shadow: 10px 10px 0px 0px #1a1a1a;
}

.hero-badge {
  position: absolute;
  bottom: -16px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.5rem 1.2rem;
  font-family: "DM Mono", monospace;
  font-size: 0.72rem;
  color: var(--muted);
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.hero-badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2s ease-in-out infinite;
  flex-shrink: 0;
}

@keyframes pulse {

  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }

  50% {
    opacity: 0.4;
    transform: scale(0.8);
  }
}

/* ── BOTONES ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1.8rem;
  border-radius: 4px;
  font-family: "DM Mono", monospace;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s;
}

.btn-primary {
  background: var(--accent);
  color: #0d0d0d;
  border: 2px solid var(--accent);
  font-weight: 500;
}

.btn-primary:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
}

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

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
}

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

.btn-accent-outline:hover {
  background: var(--accent);
  color: #0d0d0d;
}

/* ── SECCIONES BASE ── */
section {
  padding: 6rem 4rem;
  max-width: 1100px;
  margin: 0 auto;
}

.section-label {
  font-family: "DM Mono", monospace;
  font-size: 0.75rem;
  color: var(--accent);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.section-label::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--border);
  max-width: 80px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 3rem;
}

/* ── SOBRE MÍ ── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.about-text p {
  font-family: "DM Mono", monospace;
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.9;
  margin-bottom: 1.2rem;
}

.skills-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1rem;
}

.skill-tag {
  font-family: "DM Mono", monospace;
  font-size: 0.75rem;
  padding: 0.4rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: 2px;
  color: var(--muted);
  transition: all 0.2s;
}

.skill-tag:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.cert-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--surface);
  border: 1px solid #3a3a1a;
  border-radius: 4px;
  padding: 0.5rem 1rem;
  font-family: "DM Mono", monospace;
  font-size: 0.75rem;
  color: var(--accent);
  margin-top: 1.5rem;
}

/* ── PROYECTOS ── */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 2rem;
  transition:
    border-color 0.25s,
    transform 0.25s;
  position: relative;
  overflow: hidden;
}

.project-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s;
}

.project-card:hover {
  border-color: #333;
  transform: translateY(-4px);
}

.project-card:hover::before {
  transform: scaleX(1);
}

.project-num {
  font-family: "DM Mono", monospace;
  font-size: 0.75rem;
  color: var(--accent);
  margin-bottom: 1rem;
}

.project-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.8rem;
  letter-spacing: -0.01em;
}

.project-card p {
  font-family: "DM Mono", monospace;
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.project-tag {
  font-family: "DM Mono", monospace;
  font-size: 0.7rem;
  padding: 0.25rem 0.6rem;
  background: var(--surface2);
  border-radius: 2px;
  color: var(--muted);
}

.project-links {
  display: flex;
  gap: 1rem;
}

.project-link {
  font-family: "DM Mono", monospace;
  font-size: 0.78rem;
  color: var(--muted);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.3rem;
  transition: color 0.2s;
}

.project-link:hover {
  color: var(--accent);
}

/* ── EXPERIENCIA / FORMACIÓN ── */
.exp-list {
  display: flex;
  flex-direction: column;
}

.exp-item {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 2rem;
  padding: 2rem 0;
  border-bottom: 1px solid var(--border);
}

.exp-item:first-child {
  border-top: 1px solid var(--border);
}

.exp-date {
  font-family: "DM Mono", monospace;
  font-size: 0.78rem;
  color: var(--muted);
  padding-top: 0.2rem;
}

.exp-content h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.3rem;
}

.exp-company {
  font-family: "DM Mono", monospace;
  font-size: 0.82rem;
  color: var(--accent);
  margin-bottom: 0.8rem;
}

.exp-content p {
  font-family: "DM Mono", monospace;
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.7;
}

/* ── CONTACTO ── */
.contact-wrap {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 4rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.contact-wrap::before {
  content: "";
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(232, 255, 71, 0.05) 0%, transparent 70%);
  pointer-events: none;
}

.contact-wrap h2 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
  position: relative;
}

.contact-wrap h2 span {
  color: var(--accent);
}

.contact-wrap p {
  font-family: "DM Mono", monospace;
  font-size: 0.9rem;
  color: var(--muted);
  margin-bottom: 2.5rem;
  position: relative;
}

.contact-links {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ── FORMULARIO DE CONTACTO ── */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 2rem;
  text-align: left;
  position: relative;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group label {
  font-family: "DM Mono", monospace;
  font-size: 0.72rem;
  color: var(--muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.form-group input,
.form-group textarea {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.75rem 1rem;
  color: var(--text);
  font-family: "DM Mono", monospace;
  font-size: 0.85rem;
  transition: border-color 0.2s;
  outline: none;
  width: 100%;
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #444;
}

.captcha-group {
  display: flex;
  justify-content: center;
  align-items: center;
}

.form-honeypot {
  display: none !important;
}

.form-submit-row {
  display: flex;
  justify-content: center;
  margin-top: 0.5rem;
}

.btn-submit {
  min-width: 200px;
  justify-content: center;
  position: relative;
}

.btn-submit:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.form-feedback {
  font-family: "DM Mono", monospace;
  font-size: 0.82rem;
  text-align: center;
  padding: 0.75rem 1rem;
  border-radius: 4px;
  display: none;
  margin-top: 0.5rem;
}

.form-feedback.success {
  display: block;
  background: rgba(232, 255, 71, 0.08);
  border: 1px solid var(--accent);
  color: var(--accent);
}

.form-feedback.error {
  display: block;
  background: rgba(255, 80, 80, 0.08);
  border: 1px solid #f55;
  color: #f88;
}

.rate-info {
  font-family: "DM Mono", monospace;
  font-size: 0.7rem;
  color: #444;
  text-align: center;
  margin-top: 0.5rem;
}

@media (max-width: 600px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

/* ── FOOTER ── */
footer {
  border-top: 1px solid var(--border);
  padding: 2rem 4rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: "DM Mono", monospace;
  font-size: 0.75rem;
  color: var(--muted);
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-links a {
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: var(--accent);
}

/* ══════════════════════════════════════
   SECCIÓN PORTFOLIO DE ASIGNATURAS
   ══════════════════════════════════════ */
#portfolio-asignaturas {
  padding: 6rem 4rem;
  max-width: 1100px;
  margin: 0 auto;
}

.portfolio-intro {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 2.5rem 3rem;
  margin-bottom: 3rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.portfolio-intro-text h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.portfolio-intro-text p {
  font-family: "DM Mono", monospace;
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.7;
}

.portfolio-stat-big {
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  text-align: center;
}

.portfolio-stat-big span {
  display: block;
  font-family: "DM Mono", monospace;
  font-size: 0.7rem;
  color: var(--muted);
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-top: 0.4rem;
}

/* MODULE NAV */
.module-nav {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.mod-btn {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.8rem 1.2rem;
  cursor: pointer;
  transition: all 0.2s;
  text-align: left;
  color: var(--text);
  font-family: "Syne", sans-serif;
}

.mod-btn:hover {
  border-color: #444;
  background: var(--surface2);
}

.mod-btn.active {
  border-color: var(--accent);
  background: rgba(232, 255, 71, 0.05);
}

.mod-code {
  font-family: "DM Mono", monospace;
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  color: var(--accent);
  text-transform: uppercase;
}

.mod-name {
  font-size: 0.78rem;
  color: var(--muted);
  font-weight: 400;
  max-width: 160px;
}

.mod-btn.active .mod-name {
  color: var(--text);
}

/* MODULE SECTIONS */
.mod-section {
  display: none;
}

.mod-section.active {
  display: block;
}

/* SECTION HEADER */
.mod-section-header {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 2.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}

.mod-section-number {
  font-family: "DM Mono", monospace;
  font-size: 0.75rem;
  color: var(--accent);
  letter-spacing: 0.1em;
}

.mod-section-title {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

/* TRIMESTRE TABS */
.trim-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 2.5rem;
  border-bottom: 1px solid var(--border);
}

.trim-tab {
  padding: 0.6rem 1.5rem;
  font-family: "DM Mono", monospace;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  color: var(--muted);
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: all 0.2s;
  background: none;
}

.trim-tab:hover {
  color: var(--text);
}

.trim-tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.trim-pane {
  display: none;
}

.trim-pane.active {
  display: block;
}

/* RA BLOCK */
.ra-block {
  margin-bottom: 3rem;
}

.ra-label {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: rgba(232, 255, 71, 0.05);
  border: 1px solid rgba(232, 255, 71, 0.15);
  border-radius: 3px;
  padding: 0.4rem 0.9rem;
  margin-bottom: 1.5rem;
  font-family: "DM Mono", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
}

.ra-dot {
  width: 5px;
  height: 5px;
  background: var(--accent);
  border-radius: 50%;
  flex-shrink: 0;
}

/* CARDS GRID */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.2rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.5rem;
  position: relative;
  overflow: hidden;
  transition: all 0.25s;
  cursor: pointer;
  text-decoration: none;
  display: block;
  color: inherit;
}

.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s;
}

.card:hover {
  border-color: #383838;
  background: var(--surface2);
  transform: translateY(-2px);
}

.card:hover::before {
  transform: scaleX(1);
}

.card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  opacity: 0;
  transition: opacity 0.3s;
  background: radial-gradient(800px circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(232, 255, 71, 0.08), transparent 40%);
  pointer-events: none;
  z-index: 0;
}

.card.card-shine::after {
  opacity: 1;
}

.card>* {
  position: relative;
  z-index: 1;
}

.card-badges {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 0.7rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  border-radius: 3px;
  padding: 2px 7px;
  font-family: "DM Mono", monospace;
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.badge-pdf {
  background: rgba(201, 64, 64, 0.12);
  border: 1px solid rgba(201, 64, 64, 0.25);
  color: #e87a7a;
}

.badge-docx {
  background: rgba(74, 144, 217, 0.12);
  border: 1px solid rgba(74, 144, 217, 0.25);
  color: #7ab4e8;
}

.badge-canva {
  background: rgba(0, 196, 204, 0.12);
  border: 1px solid rgba(0, 196, 204, 0.25);
  color: #5ee6ea;
}

.badge-grupo {
  background: rgba(232, 197, 71, 0.12);
  border: 1px solid rgba(232, 197, 71, 0.25);
  color: #e8c547;
}

.badge-practica {
  background: rgba(150, 100, 220, 0.12);
  border: 1px solid rgba(150, 100, 220, 0.25);
  color: #c09cef;
}

.badge-cont {
  background: rgba(232, 255, 71, 0.08);
  border: 1px solid rgba(232, 255, 71, 0.2);
  color: var(--accent);
}

.badge-genially {
  background: rgba(255, 100, 50, 0.12);
  border: 1px solid rgba(255, 100, 50, 0.25);
  color: #ff8060;
}

.badge-web {
  background: rgba(80, 200, 120, 0.12);
  border: 1px solid rgba(80, 200, 120, 0.25);
  color: #6ed896;
}

.badge .dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: currentColor;
}

.card h3 {
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 0.5rem;
  color: var(--text);
}

.card p {
  font-family: "DM Mono", monospace;
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--muted);
}

.card-footer {
  margin-top: 1.2rem;
  padding-top: 0.9rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.card-file {
  font-family: "DM Mono", monospace;
  font-size: 0.67rem;
  color: #555;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 220px;
}

.card-arrow {
  color: var(--accent);
  font-size: 1rem;
  transition: transform 0.2s;
}

.card:hover .card-arrow {
  transform: translateX(4px);
}

/* STATS ROW */
.stats-row {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  margin-top: 3rem;
  padding: 2rem 2.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.stat-num {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}

.stat-lbl {
  font-family: "DM Mono", monospace;
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ── MODAL ── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(12px);
  z-index: 500;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.modal-overlay.open {
  display: flex;
}

.modal {
  background: var(--surface);
  border: 1px solid #383838;
  border-radius: 12px;
  padding: 2.5rem;
  max-width: 560px;
  width: 100%;
  position: relative;
  animation: modalIn 0.2s ease;
}

@keyframes modalIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1.2rem;
  background: none;
  border: none;
  color: var(--muted);
  font-size: 1.3rem;
  cursor: pointer;
  transition: color 0.2s;
  font-family: "DM Mono", monospace;
}

.modal-close:hover {
  color: var(--text);
}

.modal h2 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.modal p {
  font-family: "DM Mono", monospace;
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.8;
  margin-bottom: 0.7rem;
}

.modal-file {
  margin-top: 1.2rem;
  background: rgba(232, 255, 71, 0.04);
  border: 1px solid rgba(232, 255, 71, 0.15);
  border-radius: 6px;
  padding: 0.8rem 1rem;
  font-family: "DM Mono", monospace;
  font-size: 0.75rem;
  color: var(--accent);
  line-height: 1.6;
}

.modal-group {
  margin-top: 0.8rem;
  background: rgba(232, 197, 71, 0.05);
  border: 1px solid rgba(232, 197, 71, 0.2);
  border-radius: 6px;
  padding: 0.8rem 1rem;
  font-family: "DM Mono", monospace;
  font-size: 0.75rem;
  color: #e8c547;
  line-height: 1.6;
}

.modal-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1rem;
  background: rgba(0, 196, 204, 0.07);
  border: 1px solid rgba(0, 196, 204, 0.2);
  border-radius: 6px;
  padding: 0.7rem 1rem;
  text-decoration: none;
  font-family: "DM Mono", monospace;
  font-size: 0.75rem;
  color: #5ee6ea;
  transition: background 0.2s;
}

.modal-link:hover {
  background: rgba(0, 196, 204, 0.14);
}

.modal-open-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1rem;
  background: var(--accent);
  color: #0d0d0d;
  border-radius: 4px;
  padding: 0.7rem 1.2rem;
  text-decoration: none;
  font-family: "DM Mono", monospace;
  font-size: 0.78rem;
  font-weight: 500;
  transition: background 0.2s;
}

.modal-open-link:hover {
  background: var(--accent-dark);
}

/* ── RESPONSIVE ── */
/* ── HAMBURGER ── */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 200;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition:
    transform 0.3s,
    opacity 0.3s;
}

.hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.open span:nth-child(2) {
  opacity: 0;
}

.hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ── TABLET + MOBILE (900px) — menú hamburguesa ── */
@media (max-width: 900px) {
  nav {
    padding: 1rem 1.5rem;
    overflow: visible;
  }

  .hamburger {
    display: flex;
    position: relative;
    z-index: 10;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #0d0d0d;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    z-index: 10;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.6);
    padding: 0.5rem 0 1rem;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links li {
    width: 100%;
  }

  .nav-links a {
    display: block;
    width: 100%;
    font-size: 1.15rem;
    color: var(--text);
    padding: 1.1rem 1.5rem;
    text-align: center;
    border-bottom: 1px solid var(--border);
    letter-spacing: 0.12em;
    transition:
      background 0.15s,
      color 0.15s;
  }

  .nav-links a:last-child {
    border-bottom: none;
  }

  .nav-links a:hover,
  .nav-links a.active-link {
    background: var(--surface);
    color: var(--accent);
  }

  .hero {
    grid-template-columns: 1fr;
    padding: 7rem 2rem 4rem;
    text-align: center;
  }

  .hero-photo-wrap {
    order: -1;
  }

  .hero-photo-frame {
    width: 200px;
    height: 240px;
  }

  .hero-tag {
    justify-content: center;
  }

  .hero-btns {
    justify-content: center;
    flex-wrap: wrap;
  }

  .hero-desc {
    margin: 0 auto 2.5rem;
    max-width: 520px;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  section,
  #portfolio-asignaturas {
    padding: 4rem 2rem;
  }
}

/* ── MOBILE (640px) ── */
@media (max-width: 640px) {
  nav {
    padding: 1rem 1.25rem;
  }

  .hero-photo-frame {
    width: 160px;
    height: 190px;
  }

  h1 {
    font-size: clamp(2rem, 8vw, 3.5rem) !important;
  }

  .hero-btns {
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
  }

  .hero-btns .btn {
    width: 100%;
    max-width: 280px;
    text-align: center;
    justify-content: center;
  }

  section,
  #portfolio-asignaturas {
    padding: 3.5rem 1.25rem;
  }

  .section-title {
    font-size: clamp(1.5rem, 6vw, 2.2rem) !important;
  }

  .exp-item {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }

  .contact-wrap {
    padding: 2rem 1.25rem;
  }

  footer {
    padding: 1.5rem 1.25rem;
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }

  .portfolio-intro {
    flex-direction: column;
    text-align: center;
  }

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

  .projects-grid,
  .asignaturas-grid {
    grid-template-columns: 1fr !important;
  }
}