/* ===========================
   ALEMÁN SIMPLE — stylesheet
   Elegante · Minimalista · Rojo
   =========================== */

:root {
  --black:   #0a0a0a;
  --white:   #fafafa;
  --red:     #c0392b;
  --red-dark:#96281b;
  --gray-100:#f4f4f4;
  --gray-300:#d0d0d0;
  --gray-500:#888;
  --gray-700:#444;
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body:    'DM Sans', sans-serif;
  --nav-h: 68px;
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--white);
  color: var(--black);
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
  max-width: 100%;
}

html {
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ── CONTAINER ── */
.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* ── BUTTONS ── */
.btn {
  display: inline-block;
  padding: 0.85rem 2rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
}
.btn-primary {
  background: var(--red);
  color: var(--white);
  border-color: var(--red);
}
.btn-primary:hover { background: var(--red-dark); border-color: var(--red-dark); }
.btn-ghost {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.5);
}
.btn-ghost:hover { border-color: var(--white); background: rgba(255,255,255,0.08); }
.btn-outline {
  background: transparent;
  color: var(--black);
  border-color: var(--black);
}
.btn-outline:hover { background: var(--black); color: var(--white); }
.btn-white {
  background: var(--white);
  color: var(--black);
  border-color: var(--white);
}
.btn-white:hover { background: var(--gray-100); }

/* ── SECTION LABEL ── */
.section-label {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 0.75rem;
}

/* ==============================
   NAVBAR
   ============================== */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-h);
  background: rgba(10,10,10,0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255,255,255,0.07);
  transition: var(--transition);
}
.nav-inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 2rem;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--white);
  letter-spacing: -0.01em;
}
.logo span { color: var(--red); }

.nav-links {
  display: flex;
  gap: 2.5rem;
  align-items: center;
}
.nav-links a {
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--gray-300);
  letter-spacing: 0.03em;
  transition: color var(--transition);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 1px;
  background: var(--red);
  transition: width var(--transition);
}
.nav-links a:hover, .nav-links a.active { color: var(--white); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }

.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  position: relative;
  z-index: 1001;
}
.burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  transition: var(--transition);
}

/* ==============================
   HERO
   ============================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--black);
  overflow: hidden;
  padding-top: var(--nav-h);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse at 70% 50%, rgba(192,57,43,0.12) 0%, transparent 60%),
    radial-gradient(ellipse at 10% 80%, rgba(192,57,43,0.06) 0%, transparent 50%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1160px;
  margin: 0 auto;
  padding: 6rem 2rem 8rem;
}
.hero-eyebrow {
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 1.5rem;
  font-weight: 500;
}
.hero-content h1 {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 6.5rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.05;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}
.hero-content h1 em {
  font-style: italic;
  color: var(--red);
}
.hero-sub {
  color: var(--gray-300);
  font-size: 1.1rem;
  max-width: 520px;
  margin-bottom: 2.5rem;
  font-weight: 300;
  line-height: 1.7;
}
.hero-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}
.hero-deco {
  position: absolute;
  right: -2rem;
  top: 50%;
  transform: translateY(-50%);
  z-index: 1;
  pointer-events: none;
}
.deco-word {
  font-family: var(--font-display);
  font-size: clamp(6rem, 14vw, 16rem);
  font-weight: 700;
  color: rgba(255,255,255,0.03);
  letter-spacing: -0.05em;
  white-space: nowrap;
  user-select: none;
}

/* ==============================
   PATHS
   ============================== */
.paths {
  padding: 6rem 0;
  background: var(--white);
}
.paths h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 3rem;
  letter-spacing: -0.02em;
}
.paths-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5px;
  background: var(--gray-300);
  border: 1.5px solid var(--gray-300);
}
.path-card {
  background: var(--white);
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: var(--transition);
  cursor: pointer;
}
.path-card:hover { background: var(--black); color: var(--white); }
.path-card:hover .path-num { color: var(--red); }
.path-card:hover .path-arrow { transform: translateX(6px); color: var(--red); }
.path-card.featured { background: var(--gray-100); }
.path-card.medical { background: var(--black); color: var(--white); }
.path-card.medical .path-num { color: var(--red); }
.path-card.medical:hover { background: var(--red); }
.path-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--gray-300);
  line-height: 1;
}
.path-card h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
}
.path-card p { font-size: 0.88rem; color: inherit; opacity: 0.75; }
.path-arrow {
  margin-top: auto;
  font-size: 1.2rem;
  transition: transform var(--transition);
  align-self: flex-start;
}

/* ==============================
   FEATURES
   ============================== */
.features {
  background: var(--gray-100);
  padding: 7rem 0;
}
.features-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}
.features-text h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  letter-spacing: -0.02em;
  margin-bottom: 1.2rem;
}
.features-text p {
  color: var(--gray-700);
  margin-bottom: 1.8rem;
  font-size: 0.97rem;
}
.features-list {
  margin-bottom: 2rem;
}
.features-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.5rem 0;
  font-size: 0.92rem;
  border-bottom: 1px solid var(--gray-300);
}
.check { color: var(--red); font-weight: 700; flex-shrink: 0; }
.features-quote blockquote {
  border-left: 3px solid var(--red);
  padding: 2.5rem 2rem;
  background: var(--white);
}
.features-quote blockquote p {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-style: italic;
  line-height: 1.5;
  margin-bottom: 1rem;
}
.features-quote cite {
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--gray-500);
  display: block;
  margin-bottom: 0.5rem;
}
.features-quote small {
  font-size: 0.82rem;
  color: var(--gray-500);
  font-style: italic;
}

/* ==============================
   GRAMMAR PREVIEW
   ============================== */
.grammar-preview {
  padding: 7rem 0;
}
.grammar-preview h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}
.section-sub {
  color: var(--gray-700);
  margin-bottom: 3rem;
  max-width: 560px;
}
.grammar-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--gray-300);
  border: 1px solid var(--gray-300);
  margin-bottom: 2.5rem;
}
.grammar-card {
  background: var(--white);
  padding: 2rem 1.5rem;
  transition: var(--transition);
}
.grammar-card:hover { background: var(--red); color: var(--white); }
.grammar-card h4 {
  font-family: var(--font-display);
  font-size: 1rem;
  margin-bottom: 0.75rem;
  font-weight: 700;
}
.grammar-card p { font-size: 0.85rem; opacity: 0.8; }
.grammar-cta { text-align: center; }

/* ==============================
   MEDICAL TEASER
   ============================== */
.medical-teaser {
  background: var(--black);
  color: var(--white);
  padding: 7rem 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.medical-teaser::before {
  content: 'Medizin';
  position: absolute;
  font-family: var(--font-display);
  font-size: 18vw;
  font-weight: 700;
  color: rgba(192,57,43,0.06);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  white-space: nowrap;
  pointer-events: none;
  letter-spacing: -0.03em;
}
.medical-inner { position: relative; z-index: 1; }
.medical-badge {
  display: inline-block;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--red);
  border: 1px solid var(--red);
  padding: 0.35rem 1rem;
  margin-bottom: 2rem;
}
.medical-teaser h2 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}
.medical-teaser h2 em { color: var(--red); font-style: italic; }
.medical-teaser p {
  color: var(--gray-300);
  max-width: 600px;
  margin: 0 auto 2.5rem;
  font-weight: 300;
  font-size: 1rem;
}

/* ==============================
   BLOG PREVIEW
   ============================== */
.blog-preview {
  padding: 7rem 0;
  background: var(--gray-100);
}
.blog-preview h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.02em;
  margin-bottom: 3rem;
}
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-bottom: 2.5rem;
}
.blog-card {
  background: var(--white);
  padding: 2rem;
  border-bottom: 3px solid transparent;
  transition: var(--transition);
  display: block;
}
.blog-card:hover { border-bottom-color: var(--red); transform: translateY(-3px); }
.blog-tag {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 1rem;
}
.blog-card h4 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  margin-bottom: 0.75rem;
  line-height: 1.4;
}
.blog-card p { font-size: 0.85rem; color: var(--gray-500); }
.blog-cta { text-align: center; }

/* ==============================
   FOOTER
   ============================== */
footer {
  background: var(--black);
  color: var(--gray-300);
  padding: 4rem 0 0;
}
.footer-inner {
  display: flex;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
   justify-content: space-between; /* esto los separa a los extremos */
  align-items: flex-start;
}
.footer-brand p {
  margin-top: 1rem;
  font-size: 0.88rem;
  color: var(--gray-500);
  max-width: 280px;
}
.footer-links h5 {
  color: var(--white);
  font-size: 0.78rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}
.footer-links ul { display: flex; flex-direction: column; gap: 0.6rem; }
.footer-links a {
  font-size: 0.88rem;
  color: var(--gray-500);
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--white); }
.footer-bottom {
  text-align: center;
  padding: 1.5rem;
  font-size: 0.78rem;
  color: var(--gray-500);
}

/* ==============================
   PAGE HEADER (internal pages)
   ============================== */
.page-header {
  background: var(--black);
  color: var(--white);
  padding: calc(var(--nav-h) + 4rem) 0 4rem;
  position: relative;
  overflow: hidden;
}
.page-header::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 60% 50%, rgba(192,57,43,0.1) 0%, transparent 60%);
  pointer-events: none;
}
.page-header-inner { position: relative; z-index: 1; }
.page-header h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}
.page-header p {
  color: var(--gray-300);
  font-size: 1.05rem;
  max-width: 540px;
  font-weight: 300;
}

/* ==============================
   LECCIONES PAGE
   ============================== */
.lecciones-section {
  padding: 5rem 0;
}
.lecciones-section + .lecciones-section {
  border-top: 1px solid var(--gray-300);
}
.nivel-header {
  display: flex;
  align-items: baseline;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}
.nivel-num {
  font-family: var(--font-display);
  font-size: 5rem;
  font-weight: 700;
  color: var(--gray-300);
  line-height: 1;
}
.nivel-title h2 {
  font-family: var(--font-display);
  font-size: 2rem;
  letter-spacing: -0.02em;
}
.nivel-title p { color: var(--gray-500); font-size: 0.9rem; }
.lecciones-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--gray-300);
  border: 1px solid var(--gray-300);
}
.leccion-card {
  background: var(--white);
  padding: 1.75rem;
  transition: var(--transition);
}
.leccion-card:hover { background: var(--black); color: var(--white); }
.leccion-num {
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  color: var(--red);
  margin-bottom: 0.5rem;
  font-weight: 500;
}
.leccion-card h4 {
  font-family: var(--font-display);
  font-size: 1rem;
  margin-bottom: 0.5rem;
}
.leccion-card p { font-size: 0.82rem; opacity: 0.7; }

/* ==============================
   GRAMATICA PAGE
   ============================== */
.gramatica-section { padding: 5rem 0; }
.gramatica-section + .gramatica-section { border-top: 1px solid var(--gray-300); }
.gramatica-intro { max-width: 680px; margin-bottom: 3rem; }
.gramatica-intro h2 {
  font-family: var(--font-display);
  font-size: 2rem;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}
.gramatica-intro p { color: var(--gray-700); }
.table-wrapper { overflow-x: auto; margin: 2rem 0; }
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
th {
  background: var(--black);
  color: var(--white);
  padding: 0.9rem 1.2rem;
  text-align: left;
  font-weight: 500;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
td {
  padding: 0.85rem 1.2rem;
  border-bottom: 1px solid var(--gray-300);
}
tr:hover td { background: var(--gray-100); }
td em { color: var(--red); font-style: normal; font-weight: 500; }
.tip-box {
  background: var(--gray-100);
  border-left: 3px solid var(--red);
  padding: 1.25rem 1.5rem;
  font-size: 0.9rem;
  color: var(--gray-700);
  margin: 2rem 0;
}
.tip-box strong { color: var(--black); display: block; margin-bottom: 0.3rem; }

/* ==============================
   MÉDICOS PAGE
   ============================== */
.medical-page { background: var(--white); }
.medical-hero {
  background: var(--black);
  color: var(--white);
  padding: calc(var(--nav-h) + 4rem) 0 4rem;
  position: relative;
  overflow: hidden;
}
.medical-hero::before {
  content: '+';
  position: absolute;
  right: 8%;
  top: 50%;
  transform: translateY(-50%);
  font-size: 30vw;
  font-weight: 700;
  color: rgba(192,57,43,0.08);
  line-height: 1;
  pointer-events: none;
}
.medical-hero-inner { position: relative; z-index: 1; }
.medical-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
  line-height: 1.1;
}
.medical-hero h1 em { color: var(--red); font-style: italic; }
.medical-hero p {
  color: var(--gray-300);
  font-size: 1.05rem;
  max-width: 580px;
  font-weight: 300;
}
.medical-section { padding: 5rem 0; }
.medical-section + .medical-section { border-top: 1px solid var(--gray-300); }
.medical-section h2 {
  font-family: var(--font-display);
  font-size: 2rem;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}
.medical-section > .container > p {
  color: var(--gray-700);
  margin-bottom: 2.5rem;
  max-width: 620px;
}
.vocab-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--gray-300);
  border: 1px solid var(--gray-300);
  margin-bottom: 2rem;
}
.vocab-item {
  background: var(--white);
  padding: 1.25rem 1.5rem;
  transition: var(--transition);
}
.vocab-item:hover { background: var(--black); color: var(--white); }
.vocab-de { font-family: var(--font-display); font-size: 1rem; font-weight: 700; margin-bottom: 0.25rem; }
.vocab-es { font-size: 0.82rem; color: var(--red); }
.vocab-item:hover .vocab-es { color: var(--gray-300); }
.phrase-list { display: flex; flex-direction: column; gap: 0; }
.phrase-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border-bottom: 1px solid var(--gray-300);
}
.phrase-de {
  padding: 1.1rem 1.5rem;
  font-family: var(--font-display);
  font-size: 0.95rem;
  background: var(--white);
  border-right: 1px solid var(--gray-300);
}
.phrase-es {
  padding: 1.1rem 1.5rem;
  font-size: 0.88rem;
  color: var(--gray-700);
  background: var(--gray-100);
}
.anamnesis-steps { display: flex; flex-direction: column; gap: 1.5px; background: var(--gray-300); border: 1px solid var(--gray-300); }
.anamnesis-step {
  background: var(--white);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.5rem;
  padding: 1.5rem 2rem;
  align-items: start;
}
.step-n {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--red);
  line-height: 1;
  padding-top: 2px;
}
.step-content h4 { font-family: var(--font-display); font-size: 1rem; margin-bottom: 0.3rem; }
.step-content p { font-size: 0.85rem; color: var(--gray-700); margin-bottom: 0.5rem; }
.step-phrase {
  font-size: 0.83rem;
  color: var(--gray-500);
  border-left: 2px solid var(--red);
  padding-left: 0.75rem;
  font-style: italic;
}

/* ==============================
   BLOG PAGE
   ============================== */
.blog-page .blog-grid-full {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 4rem;
  padding: 5rem 0;
}
.article-preview {
  background: var(--white);
  border-bottom: 1px solid var(--gray-300);
  padding-bottom: 2.5rem;
  margin-bottom: 2.5rem;
}
.article-preview:last-child { border-bottom: none; }
.article-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}
.article-tag {
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--red);
  border: 1px solid var(--red);
  padding: 0.2rem 0.6rem;
}
.article-date { font-size: 0.8rem; color: var(--gray-500); }
.article-preview h2 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  letter-spacing: -0.01em;
  margin-bottom: 0.75rem;
  line-height: 1.3;
}
.article-preview p { color: var(--gray-700); font-size: 0.9rem; margin-bottom: 1.25rem; }
.read-more {
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--red);
  text-transform: uppercase;
}
.blog-sidebar { padding-top: 0; }
.sidebar-section { margin-bottom: 3rem; }
.sidebar-section h4 {
  font-family: var(--font-display);
  font-size: 1rem;
  margin-bottom: 1.25rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--black);
}
.sidebar-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.sidebar-tag {
  font-size: 0.75rem;
  padding: 0.3rem 0.8rem;
  background: var(--gray-100);
  color: var(--gray-700);
  transition: var(--transition);
  cursor: pointer;
}
.sidebar-tag:hover { background: var(--red); color: var(--white); }

/* ==============================
   CONTACTO PAGE
   ============================== */
.contacto-section {
  padding: 5rem 0 7rem;
}
.contacto-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}
.contacto-info h2 {
  font-family: var(--font-display);
  font-size: 2rem;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}
.contacto-info p { color: var(--gray-700); margin-bottom: 2rem; }
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--gray-300);
}
.contact-icon { font-size: 1.2rem; margin-top: 2px; }
.contact-item h5 { font-size: 0.78rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--gray-500); margin-bottom: 0.2rem; }
.contact-item p { color: var(--black); font-size: 0.95rem; margin: 0; }
.contacto-form { display: flex; flex-direction: column; gap: 1.25rem; }
.form-group { display: flex; flex-direction: column; gap: 0.4rem; }
.form-group label {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-700);
}
.form-group input,
.form-group textarea,
.form-group select {
  padding: 0.9rem 1rem;
  border: 1.5px solid var(--gray-300);
  background: var(--white);
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--black);
  transition: border-color var(--transition);
  outline: none;
  border-radius: 0;
  appearance: none;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus { border-color: var(--black); }
.form-group textarea { resize: vertical; min-height: 140px; }
.form-submit { align-self: flex-start; }

/* ── MOBILE OVERLAY (fuera del navbar) ── */
.mobile-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(10,10,10,0.98);
  z-index: 998;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 0;
}
.mobile-overlay.open {
  display: flex;
}
.mobile-overlay ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
  padding: 0;
  margin: 0;
}
.mobile-overlay ul a {
  font-family: var(--font-body);
  font-size: 1.5rem;
  font-weight: 400;
  color: #fafafa;
  letter-spacing: 0.04em;
  text-decoration: none;
  display: block;
  padding: 0.4rem 0;
}
.mobile-overlay ul a.active {
  color: var(--red);
}

/* ==============================
   RESPONSIVE
   ============================== */
@media (max-width: 1024px) {
  .paths-grid { grid-template-columns: repeat(2, 1fr); }
  .grammar-grid { grid-template-columns: repeat(2, 1fr); }
  .features-inner { grid-template-columns: 1fr; gap: 3rem; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1/-1; }
  .blog-page .blog-grid-full { grid-template-columns: 1fr; }
  .blog-sidebar { display: none; }
}

@media (max-width: 768px) {
  .burger { display: flex; }

 .nav-links {
    display: none; /* Se activa con la clase .open */
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;   /* Ocupa todo el ancho */
    height: 100vh;  /* Ocupa todo el alto de la pantalla */
    background: #0a0a0a; /* Fondo negro sólido */
    flex-direction: column;
    justify-content: center; /* Centra la lista verticalmente */
    align-items: center;
    gap: 2rem;
    z-index: 2000;  /* Por encima de todo */
    padding: 0;
    margin: 0;
  }

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

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

  .nav-links a {
    display: inline-block;
    font-size: 2rem; /* Tamaño grande para que sea claro */
    font-family: var(--font-display); /* Usando la fuente elegante del sitio */
    color: #fafafa;
    text-decoration: none;
    transition: color 0.3s ease;
  }

  .nav-links a:hover, 
  .nav-links a.active {
    color: var(--red);
  }

  /* Ocultamos la línea animada en móvil para que no ensucie el diseño */
  .nav-links a::after { display: none; }

  .nav-links a.active { color: var(--red); }
  .hero-deco { display: none; }
  .paths-grid { grid-template-columns: 1fr 1fr; }
  .grammar-grid { grid-template-columns: 1fr 1fr; }
  .lecciones-grid { grid-template-columns: 1fr; }
  .vocab-grid { grid-template-columns: repeat(2, 1fr); }
  .phrase-item { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: 1fr; }
  .contacto-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 2rem; }

  .burger.open {
    z-index: 2001;
  }
  .burger.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  .burger.open span:nth-child(2) {
    opacity: 0;
  }
  .burger.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }
}

@media (max-width: 480px) {
  .paths-grid { grid-template-columns: 1fr; }
  .grammar-grid { grid-template-columns: 1fr; }
  .vocab-grid { grid-template-columns: 1fr; }
  .hero-cta { flex-direction: column; }
}

/* ==============================
   GRAMMAR PAGE — MOBILE FIXES
   (solo afectan a gramatica.html)
   ============================== */

/* 1. Sticky TOC banner en tablets y móviles (sidebar oculto) */
@media (max-width: 900px) {
  .toc-banner {
    position: sticky;
    top: var(--nav-h);
    z-index: 200;
    background: var(--gray-100);
    border-bottom: 1px solid var(--gray-300);
    box-shadow: 0 2px 8px rgba(10,10,10,0.07);
  }

  /* TOC items: permitir que envuelvan en pantallas medianas */
  .toc-inner {
    flex-wrap: wrap;
    gap: 0.75rem;
  }
  .toc-items {
    flex-wrap: wrap;
    gap: 0.4rem;
  }

  /* 2. Resetear el margin-left del subtítulo calculado con clamp */
  .block-subtitle {
    margin-left: 0 !important;
    margin-bottom: 1.75rem;
  }

  .grammar-layout { grid-template-columns: 1fr; }
  .grammar-sidebar { display: none; }
  .grammar-main { padding: 2rem 0 4rem; }
}

/* 3. Padding reducido en móviles angostos (< 600px) */
@media (max-width: 600px) {
  .grammar-layout {
    padding-left: 1rem !important;
    padding-right: 1rem !important;
  }

  /* Número romano del bloque más pequeño en móvil */
  .block-roman {
    font-size: clamp(1.8rem, 8vw, 2.5rem);
  }

  /* Subtítulo sin margin-left calculado con clamp de escritorio */
  .block-subtitle {
    margin-left: 0 !important;
  }

  /* Tablas: scroll horizontal con ancho mínimo para que no se compriman */
  .table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin-left: -1rem;
    margin-right: -1rem;
    padding-left: 1rem;
    padding-right: 1rem;
    max-width: 100vw;
  }
  table {
    min-width: 420px;
    font-size: 0.8rem;
  }
  th, td {
    padding: 0.5rem 0.75rem;
  }

  .formula {
    padding-left: 1rem;
    padding-right: 1rem;
    font-size: 0.78rem;
    word-break: break-word;
    overflow-wrap: break-word;
    max-width: 100%;
    box-sizing: border-box;
  }

  .beispiel {
    max-width: 100%;
    overflow-wrap: break-word;
    word-break: break-word;
  }

  /* Chip grid más pequeño para pantallas angostas */
  .chip-grid {
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  }

  /* TOC label oculto para ganar espacio */
  .toc-label { display: none; }
  .toc-item {
    font-size: 0.72rem;
    padding: 0.35rem 0.65rem;
  }
}

/* ==============================
   ANIMATIONS
   ============================== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
.hero-content > * {
  animation: fadeUp 0.8s ease both;
}
.hero-eyebrow { animation-delay: 0.1s; }
.hero-content h1 { animation-delay: 0.22s; }
.hero-sub { animation-delay: 0.34s; }
.hero-cta { animation-delay: 0.46s; }

/* ==============================
   MÉDICOS — HUB DE MÓDULOS
   ============================== */
.med-hub-hero { padding-bottom: 3rem; }

.med-meta-pill {
  display: inline-block;
  padding: 0.35rem 1rem;
  margin: 0 0.5rem 0.5rem 0;
  border: 1px solid var(--red);
  border-radius: 999px;
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--red);
}
.med-hero-meta { margin-top: 1.5rem; }

.med-hub-section { padding: 4rem 0 6rem; }
.med-hub-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  letter-spacing: -0.02em;
  margin: 0.5rem 0 1rem;
}
.med-hub-intro {
  color: var(--gray-700);
  max-width: 620px;
  margin-bottom: 2.5rem;
}

.med-modules-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.med-module-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  background: var(--white);
  border: 1px solid var(--gray-300);
  border-radius: 14px;
  padding: 1.75rem;
  min-height: 180px;
  overflow: hidden;
  cursor: pointer;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

/* Indicador visual de "esto es un link" */
.med-module-card::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 100%;
  height: 3px;
  background: var(--red);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.med-module-tag {
  font-family: var(--font-display);
  font-size: 0.95rem;
  color: var(--gray-500);
  letter-spacing: 0.05em;
  transition: color var(--transition);
}

.med-module-body h3 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.3;
  margin-top: 1rem;
  letter-spacing: -0.01em;
}
.med-module-body h3 em {
  display: block;
  margin-top: 0.25rem;
  font-style: italic;
  font-weight: 400;
  font-size: 1rem;
  color: var(--gray-700);
  transition: color var(--transition);
}

.med-module-arrow {
  align-self: flex-end;
  margin-top: 1.25rem;
  font-size: 1.4rem;
  color: var(--red);
  transition: transform var(--transition);
}

/* HOVER / FOCUS — escritorio y dispositivos con puntero */
@media (hover: hover) {
  .med-module-card:hover,
  .med-module-card:focus-visible {
    transform: translateY(-4px);
    border-color: var(--red);
    box-shadow: 0 14px 30px rgba(10,10,10,0.08);
    background: var(--gray-100);
  }
  .med-module-card:hover::after,
  .med-module-card:focus-visible::after {
    transform: scaleX(1);
  }
  .med-module-card:hover .med-module-tag,
  .med-module-card:focus-visible .med-module-tag {
    color: var(--red);
  }
  .med-module-card:hover .med-module-body h3 em,
  .med-module-card:focus-visible .med-module-body h3 em {
    color: var(--black);
  }
  .med-module-card:hover .med-module-arrow,
  .med-module-card:focus-visible .med-module-arrow {
    transform: translateX(6px);
  }
}

/* Estado activo táctil (móvil/tablet) */
.med-module-card:active {
  transform: scale(0.98);
  border-color: var(--red);
  background: var(--gray-100);
}

.med-module-card:focus-visible {
  outline: 2px solid var(--red);
  outline-offset: 3px;
}

/* ==============================
   MÉDICOS — RESPONSIVE
   ============================== */
@media (max-width: 1024px) {
  .med-modules-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .med-hub-section { padding: 3rem 0 4rem; }
  .med-modules-grid { grid-template-columns: 1fr; gap: 1.25rem; }
  .med-module-card { min-height: 140px; padding: 1.5rem; }
  .med-module-body h3 { font-size: 1.2rem; }
}

@media (max-width: 480px) {
  .med-meta-pill { font-size: 0.75rem; padding: 0.3rem 0.85rem; }
}

/* ==============================
   DEUTSCH GYM — estilos
   Añadir a style.css principal
   ============================== */

.gym-hero {
  background: var(--black);
  color: var(--white);
  padding: calc(var(--nav-h) + 4rem) 0 5rem;
  position: relative;
  overflow: hidden;
}
.gym-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 75% 30%, rgba(192,57,43,0.14) 0%, transparent 55%),
    radial-gradient(ellipse at 15% 90%, rgba(192,57,43,0.07) 0%, transparent 50%);
  pointer-events: none;
}
.gym-hero::after {
  content: 'GYM';
  position: absolute;
  right: -2%;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-display);
  font-size: 22vw;
  font-weight: 700;
  color: rgba(255,255,255,0.025);
  letter-spacing: -0.04em;
  line-height: 1;
  pointer-events: none;
  white-space: nowrap;
}
.gym-hero-inner { position: relative; z-index: 1; }
.gym-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 6vw, 4.8rem);
  letter-spacing: -0.02em;
  line-height: 1.08;
  margin-bottom: 1.25rem;
}
.gym-hero h1 em { color: var(--red); font-style: italic; }
.gym-hero p {
  color: var(--gray-300);
  font-size: 1.05rem;
  max-width: 580px;
  font-weight: 300;
  line-height: 1.7;
}

/* Barra de progreso decorativa tipo "estaciones de entrenamiento" */
.gym-levels-bar {
  display: flex;
  gap: 0.6rem;
  margin-top: 2.5rem;
  flex-wrap: wrap;
}
.gym-level-pill {
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-weight: 500;
  padding: 0.45rem 1.1rem;
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 999px;
  color: var(--gray-300);
  transition: var(--transition);
  background: none;
  cursor: pointer;
  font-family: var(--font-body);
}
.gym-level-pill:hover,
.gym-level-pill.active {
  border-color: var(--red);
  color: var(--white);
  background: rgba(192,57,43,0.12);
}

/* ==============================
   SECCIONES DE NIVEL
   ============================== */
.gym-section {
  padding: 4.5rem 0;
}
.gym-section + .gym-section {
  border-top: 1px solid var(--gray-300);
}
.gym-section.alt {
  background: var(--gray-100);
}

.gym-level-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}
.gym-level-id {
  display: flex;
  align-items: baseline;
  gap: 1.25rem;
}
.gym-level-letter {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 700;
  color: var(--red);
  line-height: 1;
  letter-spacing: -0.02em;
}
.gym-level-text h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  letter-spacing: -0.01em;
  margin-bottom: 0.35rem;
}
.gym-level-text p {
  color: var(--gray-500);
  font-size: 0.92rem;
  max-width: 460px;
}
.gym-level-count {
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gray-500);
  white-space: nowrap;
  padding-bottom: 0.3rem;
}

/* ── GRID DE EJERCICIOS ── */
.gym-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  background: var(--gray-300);
  border: 1px solid var(--gray-300);
}
.gym-card {
  background: var(--white);
  padding: 1.5rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  min-height: 168px;
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
  position: relative;
}
.gym-section.alt .gym-card { background: var(--gray-100); }
.gym-card:hover {
  background: var(--black);
  color: var(--white);
}
.gym-card:hover .gym-card-type { color: var(--red); }
.gym-card:hover .gym-card-num { color: rgba(255,255,255,0.25); }
.gym-card:hover .gym-card-arrow {
  transform: translateX(5px);
  color: var(--red);
}

.gym-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
}
.gym-card-num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--gray-300);
  line-height: 1;
  transition: var(--transition);
}
.gym-card-type {
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--red);
  border: 1px solid var(--red);
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  transition: var(--transition);
}
.gym-section.alt .gym-card:hover .gym-card-type {
  border-color: var(--red);
}

.gym-card h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.005em;
}
.gym-card p {
  font-size: 0.8rem;
  opacity: 0.7;
  line-height: 1.5;
}
.gym-card-arrow {
  margin-top: auto;
  font-size: 1.05rem;
  align-self: flex-start;
  transition: var(--transition);
}

/* Tarjetas deshabilitadas / próximamente */
.gym-card.coming-soon {
  cursor: default;
  opacity: 0.55;
}
.gym-card.coming-soon:hover {
  background: var(--white);
  color: inherit;
}
.gym-section.alt .gym-card.coming-soon:hover {
  background: var(--gray-100);
}
.gym-card.coming-soon:hover .gym-card-type { color: var(--red); }
.gym-card.coming-soon:hover .gym-card-num { color: var(--gray-300); }
.gym-card.coming-soon:hover .gym-card-arrow { transform: none; color: inherit; }
.gym-soon-tag {
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gray-500);
  font-weight: 500;
}

/* ==============================
   RESPONSIVE — DEUTSCH GYM
   ============================== */
@media (max-width: 1200px) {
  .gym-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 900px) {
  .gym-grid { grid-template-columns: repeat(2, 1fr); }
  .gym-hero::after { font-size: 30vw; }
}
@media (max-width: 768px) {
  .gym-section { padding: 3rem 0; }
  .gym-level-header { margin-bottom: 1.5rem; }
  .gym-level-count { padding-bottom: 0; }
}
@media (max-width: 560px) {
  .gym-grid { grid-template-columns: 1fr 1fr; }
  .gym-card { min-height: 150px; padding: 1.25rem 1rem; }
  .gym-hero::after { display: none; }
}
@media (max-width: 380px) {
  .gym-grid { grid-template-columns: 1fr; }
}