/* ═══════════════════════════════════════════════
   TOKENS
═══════════════════════════════════════════════ */
:root { --ease: cubic-bezier(0.2, 0.9, 0.4, 1.1); --t: .35s; }

[data-theme="dark"] {
  --bg:        #0c0c0f;
  --bg2:       #141418;
  --bg3:       #1f1f27;
  --border:    #2a2a33;
  --text:      #f1f1f6;
  --muted:     #8b8b98;
  --accent:    #00fcd2;
  --accent-rgb:230,255,77;
  --orange:    #5917f3;
  --shadow:    0 20px 35px -12px rgba(0,0,0,0.5);
}
[data-theme="light"] {
  --bg:        #f6f5f0;
  --bg2:       #ffffff;
  --bg3:       #efede7;
  --border:    #dddcd2;
  --text:      #1f1e1c;
  --muted:     #6f6e64;
  --accent:    #4200db;
  --accent-rgb:47,107,0;
  --orange:    #00c0a0e7;
  --shadow:    0 12px 28px rgba(0,0,0,0.08);
}

/* Reset y base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; overflow-x: hidden; }
body {
  font-family: 'DM Sans', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  overflow-x: hidden;
  transition: background var(--t) var(--ease), color var(--t) var(--ease);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.02;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.75' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 220px;
}
a { color: inherit; text-decoration: none; }
img, svg { max-width: 100%; display: block; }

/* Imagenes */
.icon-mobile::before,
.icon-bolt::before,
.icon-user::before,
.icon-mail::before,
.icon-phone::before,
.icon-location::before,
.icon-instagram::before {
  content: "";
  display: inline-block;
  width: 20px;
  height: 20px;
  background-size: contain;
  background-repeat: no-repeat;
  vertical-align: middle;
}

.icon-mobile::before { background-image: url('../assets/telefono-inteligente.png'); }
.icon-bolt::before { background-image: url('../assets/celu.png'); }
.icon-user::before { background-image: url('../assets/revelador.png'); }
.icon-mail::before { background-image: url('../assets/gmail.png'); }
.icon-phone::before { background-image: url('../assets/whatsapp (1).png'); }
.icon-location::before { background-image: url('../assets/mapa.png'); }
.icon-instagram::before { background-image: url('../assets/instagram.png'); }

/* Oculta texto si solo quieres mostrar ícono */
.icon-only::before {
  content: "";
  display: inline-block;
  width: 38px;   
  height: 38px;   
  background-size: contain;
  background-repeat: no-repeat;
  vertical-align: middle;
}


/* Contenedor principal */
.container { max-width: 1280px; margin: 0 auto; padding: 0 clamp(1rem, 4vw, 2.5rem); }

/* ═══════════════════════════════════════════════
   CARRUSEL HERO
═══════════════════════════════════════════════ */
.carousel-container {
  position: relative;
  width: 100%;
  border-radius: 28px;
  overflow: hidden;
  background: var(--bg2);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  aspect-ratio: 4 / 3; /* Relación de aspecto consistente */
}

.carousel-slides {
  display: flex;
  width: 100%;
  height: 100%;
  transition: transform 0.4s var(--ease);
  will-change: transform;
}

.carousel-slide {
  flex: 0 0 100%;
  position: relative;
  background: var(--bg3);
  display: flex;
  align-items: center;
  justify-content: center;
}

.carousel-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.carousel-slide.img-error {
  background: var(--bg3);
  display: flex;
  align-items: center;
  justify-content: center;
}
.carousel-slide.img-error::before {
  content: "🖼️";
  font-size: 3rem;
  opacity: 0.5;
}
.img-error-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  background: var(--bg3);
  color: var(--muted);
  font-size: 1rem;
}
.carousel-slide img[src=""] {
  display: none;
}

.carousel-caption {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  width: fit-content;
  max-width: 80%;
  background: rgba(0, 0, 0, 0.5);
  padding: 8px 20px;
  border-radius: 30px;
  color: white;
  text-align: center;
  font-size: 0.8rem;
  font-weight: 500;
  white-space: nowrap;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

@media (max-width: 600px) {
  .carousel-caption {
    white-space: normal;
    max-width: 90%;
    padding: 6px 16px;
  }
}

.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 50%;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.6rem;
  font-weight: 400;
  color: var(--text);
  transition: all 0.2s;
  z-index: 10;
  opacity: 0.7;
  backdrop-filter: blur(4px);
}

.carousel-btn:hover {
  opacity: 1;
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
  transform: translateY(-50%) scale(1.05);
}

.carousel-btn.prev { left: 12px; }
.carousel-btn.next { right: 12px; }

.carousel-dots {
  position: absolute;
  bottom: 12px;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  gap: 8px;
  z-index: 10;
}

.carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--muted);
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  padding: 0;
}

.carousel-dot.active {
  background: var(--accent);
  transform: scale(1.3);
  box-shadow: 0 0 0 2px var(--bg2);
}

@media (max-width: 860px) {
  .carousel-btn { width: 32px; height: 32px; font-size: 1.2rem; }
  .carousel-dot { width: 6px; height: 6px; }
}

/* Header */
header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
  padding: 0 clamp(1rem, 5vw, 3rem);
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background var(--t), border-color var(--t);
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
}
.logo-mark {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--accent);
  display: grid;
  place-items: center;
  transition: transform 0.2s ease;
  flex-shrink: 0;
}
.logo-mark:hover { transform: rotate(-6deg) scale(1.02); }
[data-theme="dark"] .logo-mark svg { color: #0c0c0f; }
[data-theme="light"] .logo-mark svg { color: #f6f5f0; }
.logo-text em { font-style: italic; color: var(--orange); }
nav { display: flex; align-items: center; gap: 2rem; }
nav a { font-size: 0.88rem; font-weight: 500; color: var(--muted); transition: color 0.2s; }
nav a:hover { color: var(--text); }
@media (max-width: 720px) { nav { display: none; } }

.theme-toggle {
  display: flex;
  align-items: center;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 99px;
  padding: 0.2rem;
  gap: 0.2rem;
  cursor: pointer;
}
.tt-opt {
  padding: 0.3rem 0.7rem;
  border-radius: 99px;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--muted);
  transition: all 0.2s;
}
.tt-opt.active { background: var(--bg2); color: var(--text); }

/* Mobile hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.hamburger span {
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 99px;
  transition: 0.2s;
}
@media (max-width: 720px) { .hamburger { display: flex; } }
.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); }

/* mobile-nav → ver sección ACORDEÓN al final */

/* Hero */
.hero { padding: clamp(3rem, 8vw, 6rem) 0; position: relative; overflow: hidden; }
.hero-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 clamp(1rem, 5vw, 3rem);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}
@media (max-width: 860px) { .hero-inner { grid-template-columns: 1fr; gap: 2rem; } }
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 99px;
  padding: 0.3rem 1rem;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 1.5rem;
}
.badge-dot {
  width: 6px;
  height: 6px;
  background: var(--orange);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}
h1 {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: clamp(2.2rem, 6vw, 4rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 1.2rem;
}
h1 em { color: var(--accent); font-style: italic; }
.hero-sub {
  font-size: 1rem;
  color: var(--muted);
  line-height: 1.6;
  max-width: 480px;
  margin-bottom: 2rem;
  font-weight: 350;
}
.hero-ctas { display: flex; gap: 1rem; flex-wrap: wrap; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.8rem 1.8rem;
  border-radius: 12px;
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  border: none;
  transition: transform 0.15s, box-shadow 0.2s, background var(--t);
}
.btn-primary {
  background: var(--accent);
  color: var(--bg);
  box-shadow: 0 4px 12px rgba(var(--accent-rgb), 0.2);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 24px rgba(var(--accent-rgb), 0.3); }
.btn-ghost {
  background: transparent;
  border: 1.5px solid var(--border);
  color: var(--text);
}
.btn-ghost:hover { border-color: var(--accent); transform: translateY(-2px); }
.hero-visual { max-width: 500px; margin-left: auto; width: 100%; }
@media (max-width: 860px) { .hero-visual { max-width: 100%; margin-left: 0; } }
.hv-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 1.4rem 1.6rem;
  box-shadow: var(--shadow);
  margin-bottom: 1rem;
}
.hv-top { display: flex; align-items: center; gap: 0.9rem; margin-bottom: 1rem; }
.hv-icon {
  width: 44px;
  height: 44px;
  background: var(--accent);
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}
[data-theme="dark"] .hv-icon { color: #0c0c0f; }
[data-theme="light"] .hv-icon { color: #f6f5f0; }
.hv-title { font-family: 'Syne', sans-serif; font-weight: 700; font-size: 0.9rem; }
.hv-sub { font-size: 0.7rem; color: var(--muted); }
.bar-row { margin-bottom: 0.8rem; }
.bar-label { display: flex; justify-content: space-between; font-size: 0.7rem; color: var(--muted); margin-bottom: 0.3rem; }
.bar-track { height: 6px; background: var(--bg3); border-radius: 99px; overflow: hidden; }
.bar-fill { height: 100%; background: var(--accent); border-radius: 99px; }
.bar-fill.orange { background: var(--orange); }
.hv-price { font-family: 'Syne', sans-serif; font-size: 1.6rem; font-weight: 800; margin-top: 1rem; }
.hv-price small { font-size: 0.75rem; color: var(--muted); font-weight: 400; }
.hv-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.9rem; }
.hv-mini { background: var(--bg2); border: 1px solid var(--border); border-radius: 18px; padding: 1rem 1.2rem; }
.hv-mini-icon { font-size: 1.4rem; margin-bottom: 0.4rem; }
.hv-mini-name { font-family: 'Syne', sans-serif; font-weight: 700; font-size: 0.85rem; }
.hv-mini-desc { font-size: 0.7rem; color: var(--muted); }

/* Secciones comunes */
section { padding: clamp(3rem, 7vw, 6rem) 0; }
.si { max-width: 1280px; margin: 0 auto; padding: 0 clamp(1rem, 4vw, 2.5rem); }
.sec-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.8rem;
}
.sec-label::before { content: ''; width: 28px; height: 2px; background: var(--accent); border-radius: 99px; }
h2 {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: clamp(1.9rem, 4.5vw, 2.8rem);
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: 1rem;
}
h2 em { color: var(--accent); font-style: italic; }
.sec-desc { font-size: 0.95rem; color: var(--muted); line-height: 1.65; max-width: 550px; margin-bottom: 2.5rem; }
.sec-alt { background: var(--bg2); transition: background var(--t); }
/* Las secciones colapsables tienen su propio fondo en la tarjeta — el section queda transparente */
.collapsible-section.sec-alt { background: transparent; }

/* Servicios */
.services-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 420px)); justify-content: center; gap: 1.6rem; }
.svc-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 1.8rem;
  transition: transform 0.2s, border-color 0.2s;
  position: relative;
  overflow: hidden;
}
.svc-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s var(--ease);
}
.svc-card:hover::after { transform: scaleX(1); }
.svc-card:hover { border-color: color-mix(in srgb, var(--accent) 40%, transparent); transform: translateY(-4px); }
.svc-header {
  display: flex;
  align-items: center;
  gap: 10px;
}

.svc-header h3 {
  margin: 7px 3px;
}

.svc-icon img {
  width: 34px;
  height: 34px;
  object-fit: contain;
}
.svc-card h3 { font-family: 'Syne', sans-serif; font-weight: 700; font-size: 1.15rem; margin-bottom: 0.5rem; }
.svc-card p { font-size: 0.85rem; color: var(--muted); line-height: 1.55; }
.svc-price { display: inline-flex; align-items: baseline; gap: 0.4rem; margin-top: 1rem; }
.svc-from { font-size: 0.7rem; color: var(--muted); }
.svc-amount { font-family: 'Syne', sans-serif; font-weight: 800; color: var(--accent); }

/* Proceso */
.process-wrap { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--border); border-radius: 28px; overflow: hidden; }
@media (max-width: 780px) { .process-wrap { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 500px) { .process-wrap { grid-template-columns: 1fr; } }
.proc-step { padding: 2rem 1.5rem; border-right: 1px solid var(--border); transition: background 0.2s; }
.proc-step:last-child { border-right: none; }
.proc-step:hover { background: var(--bg3); }
.proc-num { font-family: 'Syne', sans-serif; font-size: 2.6rem; font-weight: 800; color: var(--border); line-height: 1; margin-bottom: 0.7rem; transition: color 0.2s; }
.proc-step:hover .proc-num { color: var(--accent); }
.proc-step h4 { font-family: 'Syne', sans-serif; font-weight: 700; font-size: 1rem; margin-bottom: 0.4rem; }
.proc-step p { font-size: 0.8rem; color: var(--muted); line-height: 1.55; }

/* Portfolio */
.portfolio-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
@media (max-width: 880px) { .portfolio-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .portfolio-grid { grid-template-columns: 1fr; } }
.port-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 24px;
  overflow: hidden;
  transition: transform 0.2s, border-color 0.2s;
}
.port-card:hover { transform: translateY(-4px); border-color: color-mix(in srgb, var(--accent) 45%, transparent); }
.port-card:first-child { grid-column: span 2; }
@media (max-width: 880px) { .port-card:first-child { grid-column: span 2; } }
@media (max-width: 560px) { .port-card:first-child { grid-column: span 1; } }
.port-thumb { height: 170px; display: flex; align-items: center; justify-content: center; font-size: 2.4rem; position: relative; background: var(--bg3); }
.port-card:first-child .port-thumb { height: 210px; }
.port-thumb-bg { position: absolute; inset: 0; transition: transform 0.35s var(--ease); opacity: 0.85; }
.port-card:hover .port-thumb-bg { transform: scale(1.02); }
.port-thumb-emoji { position: relative; z-index: 2; font-size: 3rem; }
.port-body { padding: 1.2rem 1.3rem 1.4rem; }
.port-body h4 { font-family: 'Syne', sans-serif; font-weight: 700; font-size: 1rem; margin-bottom: 0.4rem; }
.port-body p { font-size: 0.8rem; color: var(--muted); line-height: 1.5; }
.port-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 0.8rem; }
.tag { font-size: 0.65rem; font-weight: 600; padding: 0.2rem 0.65rem; background: var(--bg3); border: 1px solid var(--border); border-radius: 99px; color: var(--muted); }

/* Reseñas reales */
.testimonials-container { display: flex; flex-direction: column; gap: 2.5rem; }
.testi-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 360px)); justify-content: center; gap: 1.5rem; }
.testi-card { background: var(--bg2); border: 1px solid var(--border); border-radius: 24px; padding: 1.6rem; transition: background var(--t); }
.testi-stars { color: var(--accent); font-size: 0.9rem; letter-spacing: 0.1em; margin-bottom: 0.8rem; }
.testi-text { font-size: 0.85rem; line-height: 1.65; font-style: italic; color: var(--text); margin-bottom: 1.2rem; }
.testi-author { display: flex; align-items: center; gap: 0.7rem; }
.testi-av { width: 38px; height: 38px; background: var(--bg3); border-radius: 99px; display: grid; place-items: center; font-size: 1rem; text-transform: uppercase; }
.testi-name { font-family: 'Syne', sans-serif; font-weight: 700; font-size: 0.85rem; }
.testi-date { font-size: 0.65rem; color: var(--muted); margin-top: 0.2rem; }
.review-form-card { background: var(--bg2); border: 1px solid var(--border); border-radius: 28px; padding: 1.8rem 2rem; margin-top: 1rem; }
.review-form-card h3 { font-family: 'Syne', sans-serif; font-weight: 700; font-size: 1.3rem; margin-bottom: 0.5rem; }
.review-form-card p { color: var(--muted); font-size: 0.85rem; margin-bottom: 1.2rem; }
.rating-select { display: flex; gap: 0.5rem; align-items: center; margin-bottom: 1rem; }
.rating-select label { font-weight: 600; margin-right: 0.5rem; }
.star-input { display: flex; gap: 0.2rem; }
.star-input input { display: none; }
.star-input label { font-size: 1.6rem; color: var(--border); cursor: pointer; transition: color 0.1s; }
.star-input input:checked ~ label,
.star-input label:hover,
.star-input label:hover ~ label { color: var(--accent); }
.star-input input:checked + label { color: var(--accent); }
.empty-reviews { text-align: center; padding: 2rem; background: var(--bg2); border: 1px dashed var(--border); border-radius: 28px; color: var(--muted); font-size: 0.9rem; }

/* Contacto */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 3rem; align-items: start; }
@media (max-width: 780px) { .contact-grid { grid-template-columns: 1fr; gap: 2rem; } }
.contact-side h3 { font-family: 'Syne', sans-serif; font-weight: 800; font-size: clamp(1.6rem, 3.5vw, 2.1rem); letter-spacing: -0.02em; margin-bottom: 1rem; }
.cinfo-list { display: flex; flex-direction: column; gap: 1rem; margin-top: 1.8rem; }
.cinfo-row { display: flex; align-items: center; gap: 1rem; }
.cinfo-icon { width: 42px; height: 42px; background: var(--bg3); border-radius: 14px; display: grid; place-items: center; font-size: 1rem; }
.cinfo-label { font-size: 0.7rem; color: var(--muted); }
.cinfo-val { font-weight: 500; font-size: 0.85rem; }
.form-card { background: var(--bg2); border: 1px solid var(--border); border-radius: 28px; padding: 1.8rem 2rem; box-shadow: var(--shadow); }
.fg { display: flex; flex-direction: column; gap: 0.35rem; margin-bottom: 1.2rem; }
.fg label { font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; color: var(--muted); }
.fg input, .fg select, .fg textarea {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 0.75rem 1rem;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.9rem;
  color: var(--text);
  transition: 0.2s;
}
.fg input:focus, .fg select:focus, .fg textarea:focus {
  border-color: var(--accent);
  outline: none;
  box-shadow: 0 0 0 2px rgba(var(--accent-rgb), 0.2);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 540px) { .form-row { grid-template-columns: 1fr; } }
.fg-footer { text-align: right; font-size: 0.7rem; color: var(--muted); margin-top: 0.2rem; }
.fg-err { font-size: 0.7rem; color: #ff5c5c; display: none; }
.fg.has-error .fg-err { display: block; }
.fg input.error, .fg select.error, .fg textarea.error { border-color: #ff5c5c; }
.form-note { font-size: 0.75rem; text-align: center; color: var(--muted); margin-top: 1rem; }

/* Toast */
#toast {
  position: fixed;
  bottom: 1.8rem;
  right: 1.8rem;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 0.9rem 1.4rem;
  display: flex;
  align-items: center;
  gap: 0.7rem;
  z-index: 500;
  box-shadow: var(--shadow);
  transform: translateY(3rem);
  opacity: 0;
  transition: transform 0.3s, opacity 0.3s;
  pointer-events: none;
}
#toast.show { transform: translateY(0); opacity: 1; pointer-events: auto; }

/* Footer */
footer {
  border-top: 1px solid var(--border);
  padding: 3rem 0 1.5rem;
  margin-top: auto;
  padding-top: 4rem;
}
/* Espaciado antes del footer — separa el último contenido de la línea divisoria */
main + footer,
body > footer {
  margin-top: 3rem;
}
.footer-grid {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 clamp(1rem, 4vw, 2.5rem);
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 2rem;
}
@media (max-width: 720px) { .footer-grid { grid-template-columns: 1fr; gap: 2rem; } }
.footer-desc { font-size: 0.8rem; color: var(--muted); max-width: 260px; margin-top: 0.6rem; }
.footer-col h5 { font-family: 'Syne', sans-serif; font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); margin-bottom: 1rem; }
.footer-links { display: flex; flex-direction: column; gap: 0.45rem; }
.footer-links a, .footer-links span { font-size: 0.8rem; color: var(--muted); transition: color 0.2s; }
.footer-links a:hover { color: var(--accent); }
.footer-bottom {
  max-width: 1280px;
  margin: 2rem auto 0;
  padding: 1rem clamp(1rem, 4vw, 2.5rem) 0;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.7rem;
  font-size: 0.7rem;
  color: var(--muted);
}
.footer-socials { display: flex; gap: 1rem; }
.footer-socials a:hover { color: var(--accent); }

/* Scroll top */
#scrollTop {
  position: fixed;
  bottom: 4.5rem;
  right: 1.5rem;
  width: 42px;
  height: 42px;
  background: var(--accent);
  color: var(--bg);
  border: none;
  border-radius: 60px;
  font-size: 1.4rem;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: 0.2s;
  z-index: 400;
}
#scrollTop.show { opacity: 1; pointer-events: auto; }
#scrollTop:hover { transform: translateY(-3px); }

/* Scroll reveal */
.rv { opacity: 0; transform: translateY(24px); transition: opacity 0.65s var(--ease), transform 0.65s var(--ease); }
.rv.on { opacity: 1; transform: none; }

.star-input {
  display: flex;
  flex-direction: row-reverse;
  justify-content: flex-end;
  gap: 0.2rem;
}

.star-input input {
  display: none;
}

.star-input label {
  font-size: 1.6rem;
  color: var(--border);
  cursor: pointer;
  transition: color 0.1s;
}

/* Resaltar estrellas a la izquierda del hover/checked */
.star-input label:hover,
.star-input label:hover ~ label,
.star-input input:checked ~ label {
  color: var(--accent);
}
/* ─── Auth bar (reviews) ──────────────────────────────────────────────── */
.review-auth-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.2rem;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 10px;
  margin-bottom: 1.2rem;
  flex-wrap: wrap;
}
.auth-hint { color: var(--muted); font-size: 0.9rem; margin: 0; }
.auth-user { font-size: 0.9rem; color: var(--accent); font-weight: 600; }
.btn-sm { padding: 0.45rem 1rem; font-size: 0.85rem; }

/* ─── Portfolio empty state ──────────────────────────────────────────── */
.portfolio-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 4rem 2rem;
  background: var(--bg2);
  border: 1px dashed var(--border);
  border-radius: 16px;
}
.portfolio-empty-icon { font-size: 3rem; margin-bottom: 1rem; }
.portfolio-empty h4 { font-size: 1.3rem; margin-bottom: 0.5rem; }
.portfolio-empty p { color: var(--muted); max-width: 340px; margin: 0 auto; }

/* ─── Review delete button ───────────────────────────────────────────── */
.review-delete-btn {
  margin-left: auto;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  opacity: 0.4;
  transition: opacity 0.2s;
  padding: 0.2rem 0.4rem;
  border-radius: 6px;
}
.review-delete-btn:hover { opacity: 1; background: rgba(255,80,80,0.12); }

/* ─── Login Modal ────────────────────────────────────────────────────── */
.login-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.72);
  backdrop-filter: blur(6px);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s;
}
.login-modal-overlay.open {
  opacity: 1;
  pointer-events: all;
}
.login-modal-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 2.4rem 2rem 2rem;
  width: min(420px, 92vw);
  position: relative;
  box-shadow: var(--shadow), 0 0 0 1px rgba(var(--accent-rgb),0.12);
  transform: translateY(16px) scale(0.97);
  transition: transform 0.3s cubic-bezier(0.2,0.9,0.4,1.1);
}
.login-modal-overlay.open .login-modal-card {
  transform: translateY(0) scale(1);
}
.login-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 50%;
  width: 32px;
  height: 32px;
  cursor: pointer;
  color: var(--muted);
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s, color 0.15s;
}
.login-close:hover { background: var(--border); color: var(--text); }
.login-logo {
  font-size: 2.4rem;
  margin-bottom: 0.8rem;
  text-align: center;
}
.login-modal-card h3 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 0.3rem;
  text-align: center;
}
.login-modal-card > p {
  color: var(--muted);
  font-size: 0.9rem;
  text-align: center;
  margin-bottom: 1.4rem;
}
.lm-error {
  background: rgba(255,80,80,0.1);
  border: 1px solid rgba(255,80,80,0.3);
  color: #ff6060;
  border-radius: 8px;
  padding: 0.6rem 0.9rem;
  font-size: 0.85rem;
  margin-bottom: 0.5rem;
}

/* ─── Header auth button ─────────────────────────────────────────────── */
.btn-header-login {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.9rem;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s, color 0.2s;
  white-space: nowrap;
}
.btn-header-login:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(var(--accent-rgb), 0.06);
}
.header-auth-user {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.header-auth-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--bg);
  font-size: 0.8rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}
/* ─── Header dropdown ────────────────────────────────────────────────── */
.hd-dropdown {
  position: relative;
}
.hd-trigger {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.38rem 0.85rem;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s, color 0.2s;
  white-space: nowrap;
}
.hd-trigger:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(var(--accent-rgb), 0.06);
}
.hd-trigger-guest svg { opacity: 0.7; }
.hd-chevron {
  opacity: 0.5;
  transition: transform 0.2s;
}
.hd-trigger[aria-expanded="true"] .hd-chevron {
  transform: rotate(180deg);
}
.hd-username {
  max-width: 90px;
  overflow: hidden;
  text-overflow: ellipsis;
}
.hd-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 210px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow);
  padding: 0.5rem;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-6px) scale(0.97);
  transition: opacity 0.18s, transform 0.18s cubic-bezier(0.2,0.9,0.4,1.1);
  z-index: 1000;
}
.hd-menu.open {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0) scale(1);
}
.hd-menu-user {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.6rem 0.5rem 0.5rem;
}
.hd-menu-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--bg);
  font-size: 0.9rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.hd-menu-name {
  font-weight: 600;
  font-size: 0.9rem;
}
.hd-menu-role {
  font-size: 0.75rem;
  color: var(--muted);
}
.hd-menu-header {
  padding: 0.6rem 0.5rem 0.4rem;
}
.hd-menu-title {
  font-weight: 600;
  font-size: 0.9rem;
}
.hd-menu-subtitle {
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: 0.1rem;
}
.hd-menu-divider {
  height: 1px;
  background: var(--border);
  margin: 0.4rem 0;
}
.hd-menu-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.55rem 0.7rem;
  background: none;
  border: none;
  border-radius: 7px;
  color: var(--text);
  font-family: inherit;
  font-size: 0.875rem;
  cursor: pointer;
  transition: background 0.15s;
  text-align: left;
}
.hd-menu-item:hover { background: var(--bg3); }
.hd-menu-logout { color: #ff6060; }
.hd-menu-logout:hover { background: rgba(255,80,80,0.1); }
.hd-menu-login { color: var(--accent); }
.hd-menu-login:hover { background: rgba(var(--accent-rgb), 0.08); }

/* ─── Login modal: pestañas ──────────────────────────────────────────── */
.lm-tabs {
  display: flex;
  gap: 0.25rem;
  background: var(--bg3);
  border-radius: 10px;
  padding: 0.25rem;
  margin-bottom: 1.2rem;
}
.lm-tab {
  flex: 1;
  padding: 0.45rem 0.5rem;
  background: none;
  border: none;
  border-radius: 7px;
  color: var(--muted);
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.lm-tab.active {
  background: var(--bg2);
  color: var(--text);
  box-shadow: 0 1px 4px rgba(0,0,0,0.15);
}
.lm-tab:not(.active):hover { color: var(--text); }

/* ─── Aviso login en contacto ────────────────────────────────────────── */
.contact-auth-notice {
  grid-column: 2;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  margin-bottom: 1rem;
}
.contact-auth-notice-inner {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.7rem;
}
.contact-auth-notice-inner span { font-size: 2rem; }
.contact-auth-notice-inner p { color: var(--muted); margin: 0; }

/* ─── Client Work Section ──────────────────────────────────────────── */
.client-work-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
  gap: 2rem;
}

.client-work-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 24px;
  overflow: hidden;
  transition: transform 0.3s var(--ease), border-color 0.3s;
}

.client-work-card:hover {
  transform: translateY(-6px);
  border-color: color-mix(in srgb, var(--accent) 40%, transparent);
}

.client-work-header {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  padding: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.client-project-preview {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg3);
  border-radius: 16px;
  min-height: 120px;
}

.project-image {
  font-size: 3rem;
  opacity: 0.8;
}

.project-badge {
  position: absolute;
  top: 0.8rem;
  right: 0.8rem;
  padding: 0.3rem 0.8rem;
  border-radius: 99px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.project-badge.completado {
  background: rgba(0, 252, 210, 0.1);
  color: var(--accent);
  border: 1px solid rgba(0, 252, 210, 0.3);
}

.project-badge.en-produccion {
  background: rgba(89, 23, 243, 0.1);
  color: var(--orange);
  border: 1px solid rgba(89, 23, 243, 0.3);
}

.project-badge.desarrollo {
  background: rgba(255, 193, 7, 0.1);
  color: #ffc107;
  border: 1px solid rgba(255, 193, 7, 0.3);
}

.client-contact-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: var(--bg3);
  border-radius: 16px;
  border: 1px solid var(--border);
}

.client-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.client-info h4 {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

.client-contact-details {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.contact-item {
  font-size: 0.75rem;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.client-work-body {
  padding: 1.5rem;
}

.client-work-body h3 {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 1.2rem;
  margin-bottom: 0.8rem;
}

.project-description {
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.6;
  margin-bottom: 1.2rem;
}

.project-details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.2rem;
  padding: 1rem;
  background: var(--bg3);
  border-radius: 12px;
}

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

.detail-label {
  font-size: 0.7rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.detail-value {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
}

.technologies {
  margin-bottom: 1.2rem;
}

.tech-label {
  display: block;
  font-size: 0.7rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.tech-tag {
  padding: 0.3rem 0.7rem;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 99px;
  font-size: 0.75rem;
  color: var(--muted);
  font-weight: 500;
}

.client-testimonial {
  padding: 1rem;
  background: var(--bg3);
  border-left: 3px solid var(--accent);
  border-radius: 8px;
  margin-bottom: 1.2rem;
}

.testimonial-quote {
  font-size: 0.85rem;
  font-style: italic;
  line-height: 1.5;
  color: var(--text);
}

.project-actions {
  display: flex;
  justify-content: flex-end;
}

.btn-sm {
  padding: 0.5rem 1.2rem;
  font-size: 0.8rem;
}

/* Responsive */
@media (max-width: 860px) {
  .client-work-grid {
    grid-template-columns: 1fr;
  }
  
  .client-work-header {
    grid-template-columns: 1fr;
  }
  
  .project-details {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .client-contact-card {
    flex-direction: column;
    text-align: center;
  }
}

/* ─── Invertir iconos PNG en tema oscuro para mejorar contraste ─── */
[data-theme="dark"] .icon-mobile::before,
[data-theme="dark"] .icon-bolt::before,
[data-theme="dark"] .icon-user::before,
[data-theme="dark"] .icon-mail::before,
[data-theme="dark"] .icon-phone::before,
[data-theme="dark"] .icon-location::before,
[data-theme="dark"] .icon-instagram::before,
[data-theme="dark"] .svc-icon img {
  filter: invert(1);
}

/* ═══════════════════════════════════════════════════════════════
   RENDIMIENTO
═══════════════════════════════════════════════════════════════ */

/* ─── Font-display: swap explícito como fallback local ───────────────────────
   Si Google Fonts no cargó todavía, el navegador muestra el texto
   con la fuente del sistema en lugar de ocultarlo (FOIT).
   Syne y DM Sans ya tienen display=swap en la URL de Google Fonts,
   pero esta declaración cubre el caso de fuentes cacheadas localmente. */
@font-face {
  font-family: 'Syne';
  font-display: swap;
  src: local('Syne');
}
@font-face {
  font-family: 'DM Sans';
  font-display: swap;
  src: local('DM Sans');
}

/* ─── Skeleton loader — tarjetas de clientes ─────────────────────────────────
   Mientras renderClientWork() hace el fetch a /api/clients,
   se muestran 3 tarjetas animadas del mismo tamaño que las reales.
   Evita el layout shift (CLS) porque ocupan el mismo espacio. */
.skeleton-card {
  min-height: 480px;
  border-radius: 24px;
  background: var(--bg2);
  border: 1px solid var(--border);
  overflow: hidden;
  position: relative;
}

/* Shimmer animado — un gradiente que se desplaza de izquierda a derecha */
.skeleton-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    transparent 0%,
    color-mix(in srgb, var(--text) 4%, transparent) 50%,
    transparent 100%
  );
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.6s ease-in-out infinite;
}

@keyframes skeleton-shimmer {
  0%   { background-position: 200% center; }
  100% { background-position: -200% center; }
}

/* Respetar preferencia del usuario para animaciones reducidas */
@media (prefers-reduced-motion: reduce) {
  .skeleton-card::after { animation: none; }
  .rv { transition: none !important; }
  .badge-dot { animation: none; }
}

/* ─── will-change en elementos que hacen transform en hover ──────────────────
   Le avisa al navegador de antemano para que los promueva a capa GPU.
   Solo en los elementos que realmente se animan — no en todo. */
.svc-card,
.client-work-card,
.port-card,
.testi-card {
  will-change: transform;
}

/* ─── content-visibility para secciones fuera de viewport ───────────────────
   El navegador omite el layout y paint de secciones que no son visibles.
   contain-intrinsic-size es una estimación del tamaño para evitar scroll jumps.
   Solo aplica en pantallas grandes donde las secciones son más largas. */
@media (min-width: 768px) {
  #reseñas,
  #sobrenosotros {
    content-visibility: auto;
    contain-intrinsic-size: 0 600px;
  }
}

/* ═══════════════════════════════════════════════════════════════
   FAQ — Sección de preguntas frecuentes (AEO/SEO)
═══════════════════════════════════════════════════════════════ */
.faq-grid {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: 780px;
}

.faq-item {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  transition: border-color 0.2s;
}
.faq-item:hover { border-color: color-mix(in srgb, var(--accent) 40%, transparent); }
.faq-item[open] { border-color: color-mix(in srgb, var(--accent) 50%, transparent); }

.faq-item summary {
  padding: 1.1rem 1.4rem;
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  user-select: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  font-size: 1.3rem;
  font-weight: 300;
  color: var(--accent);
  flex-shrink: 0;
  transition: transform 0.2s;
}
.faq-item[open] summary::after {
  transform: rotate(45deg);
}

.faq-item > div {
  padding: 0 1.4rem 1.1rem;
  border-top: 1px solid var(--border);
}
.faq-item > div p {
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.7;
  margin: 0.75rem 0 0;
}


/* ══════════════════════════════════════════════════════════
   ACORDEÓN DE SECCIONES — Estilo tarjeta redondeada moderno
   ══════════════════════════════════════════════════════════ */

/* Cada sección colapsable es una tarjeta pill/redondeada */
.collapsible-section {
  padding-top: clamp(1rem, 3vw, 1.5rem) !important;
  padding-bottom: clamp(1rem, 3vw, 1.5rem) !important;
  background: transparent;
}

/* El .si actúa como la tarjeta */
.collapsible-section .si {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 20px;
  overflow: hidden;
  transition: border-color 0.25s, box-shadow 0.25s;
  padding-top: 0 !important;
  padding-bottom: 0 !important;
}

.collapsible-section .si:hover {
  border-color: color-mix(in srgb, var(--accent) 35%, transparent);
}

.collapsible-section.is-open .si {
  border-color: color-mix(in srgb, var(--accent) 55%, transparent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 8%, transparent);
  padding-bottom: 2.5rem !important;
}

/* Botón-encabezado */
.sec-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  background: none;
  border: none;
  cursor: pointer;
  padding: 1.5rem 1.8rem;
  text-align: left;
  color: var(--text);
  border-bottom: 1px solid transparent;
  transition: background 0.2s, border-color 0.2s;
  gap: 1rem;
}

.collapsible-section.is-open .sec-toggle {
  border-bottom-color: var(--border);
  background: color-mix(in srgb, var(--accent) 4%, transparent);
}

.sec-toggle:hover {
  background: var(--bg3);
}

.sec-toggle-title {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.sec-toggle-title .sec-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
}
.sec-toggle-title .sec-toggle-h2 {
  font-family: 'Syne', sans-serif;
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--text);
}
.sec-toggle-title .sec-toggle-h2 em {
  font-style: italic;
  color: var(--orange);
}

/* Flecha con pill de fondo */
.sec-toggle-arrow {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg3);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--muted);
  transition: transform 0.3s ease, color 0.2s, background 0.2s, border-color 0.2s;
  flex-shrink: 0;
  line-height: 1;
}

.collapsible-section.is-open .sec-toggle-arrow {
  transform: rotate(90deg);
  color: var(--bg);
  background: var(--accent);
  border-color: var(--accent);
}

/* Cuerpo colapsable */
.sec-body {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.38s ease;
  overflow: hidden;
}
.sec-body > * { min-height: 0; }

/* Wrapper interno necesario para grid-template-rows trick */
.sec-body-inner {
  overflow: hidden;
  padding: 0 1.8rem;
}

.collapsible-section.is-open .sec-body {
  grid-template-rows: 1fr;
}

/* Padding del contenido cuando está abierto */
.collapsible-section.is-open .sec-body > *:first-child {
  padding-top: 2rem;
}
.header-right {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-shrink: 0;
}
.theme-toggle-mobile {
  display: none;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg3);
  border: 1px solid var(--border);
  cursor: pointer;
  font-size: 1rem;
  transition: background 0.2s;
  flex-shrink: 0;
}
.theme-toggle-mobile:hover { background: var(--bg2); }

@media (max-width: 720px) {
  .header-right .theme-toggle { display: none; }
  .theme-toggle-mobile { display: flex; }
  .header-right { gap: 0.6rem; }
}

/* ── Mobile nav dropdown ── */
.mobile-nav {
  position: fixed;
  top: 78px;
  right: clamp(0.75rem, 4vw, 1.5rem);
  z-index: 300;
  width: min(260px, calc(100vw - 2rem));
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: 0 12px 40px rgba(0,0,0,.25);
  display: flex;
  flex-direction: column;
  padding: 0.5rem;
  gap: 0;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-8px) scale(0.97);
  transform-origin: top right;
  transition: opacity 0.2s ease, transform 0.2s ease;
}
.mobile-nav.open {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0) scale(1);
}
.mobile-nav a {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text);
  padding: 0.7rem 1rem;
  border-radius: 12px;
  transition: background 0.15s;
}
.mobile-nav a:hover { background: var(--bg3); }

/* ── Formulario mobile ── */
@media (max-width: 600px) {
  .form-card { padding: 1.2rem 1rem; border-radius: 20px; }
  .form-row { grid-template-columns: 1fr !important; }
  .fg input, .fg select, .fg textarea { width: 100%; box-sizing: border-box; min-width: 0; }
  #contacto .si { padding-left: 1rem; padding-right: 1rem; box-sizing: border-box; }
  .contact-grid { overflow: hidden; }
}

/* ─── Grid de proyectos propios — sin doble card ──────────────────────────────
   El .si del collapsible-section ya actúa como tarjeta con borde accent.
   .pj-grid-inner solo provee el padding interno. */
.pj-grid-inner {
  padding: 0 clamp(1rem, 3vw, 2rem) clamp(1rem, 2vw, 1.5rem);
}
.pj-grid-inner .sec-desc {
  padding-top: clamp(1rem, 2vw, 1.5rem);
  margin-bottom: 0;
}