/* ═══════════════════════════════════════════
   VARIABLES & RESET — Tema claro
   Paleta basada en logo Guillermo Alvarez Fotografía
   Teal/petróleo + borgoña + dorado como acento
═══════════════════════════════════════════ */
:root {
  /* Fondos */
  --bg:        #f7f4f0;
  --bg2:       #ffffff;
  --bg3:       #ede9e3;

  /* Textos */
  --text:       #1a1a1a;
  --text-muted: #55514d;
  --text-light: #9c958e;

  /* Paleta del logo */
  --teal:       #2e7c8a;
  --teal-dark:  #1d5c68;
  --teal-light: #e8f4f6;
  --borgona:    #7a2535;
  --borgona-light: #f5eaec;

  /* Dorado — acento secundario */
  --gold:       #c8a96e;
  --gold-light: #f5edd8;

  /* Acento principal */
  --accent:     var(--teal);
  --accent2:    var(--teal-dark);

  /* Bordes y sombras */
  --border:      rgba(46, 124, 138, 0.15);
  --border-soft: rgba(0,0,0,0.08);
  --shadow-sm:   0 2px 12px rgba(0,0,0,0.06);
  --shadow-md:   0 8px 32px rgba(0,0,0,0.10);

  /* Tipografías */
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body:    'DM Sans', system-ui, sans-serif;
  --font-mono:    'DM Mono', monospace;

  --nav-h:      72px;
  --radius:     4px;
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.7;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; }
ul { list-style: none; }
.container { max-width: 1160px; margin: 0 auto; padding: 0 32px; }

/* ═══════════════════════════════════════════
   TIPOGRAFÍA
═══════════════════════════════════════════ */
h1, h2, h3 { font-family: var(--font-display); font-weight: 400; line-height: 1.1; }
h1 { font-size: clamp(3rem, 7vw, 6rem); }
h2 { font-size: clamp(2rem, 4vw, 3.2rem); }
h3 { font-size: 1.25rem; }
em { font-style: italic; color: var(--teal); }

.section-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.15em;
  color: var(--gold);          /* dorado vive aquí */
  text-transform: uppercase;
  margin-bottom: 16px;
  display: block;
}
.section-header { margin-bottom: 60px; }

/* ═══════════════════════════════════════════
   BOTONES
═══════════════════════════════════════════ */
.btn-primary {
  display: inline-block;
  background: var(--teal);
  color: #fff;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.88rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 14px 32px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}
.btn-primary:hover { background: var(--teal-dark); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-primary.btn-full { width: 100%; text-align: center; }

.btn-secondary {
  display: inline-block;
  border: 1.5px solid var(--teal);
  color: var(--teal);
  font-size: 0.88rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 13px 32px;
  border-radius: var(--radius);
  transition: background var(--transition), color var(--transition);
}
.btn-secondary:hover { background: var(--teal); color: #fff; }

/* ═══════════════════════════════════════════
   NAV
═══════════════════════════════════════════ */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  transition: background var(--transition), backdrop-filter var(--transition), box-shadow var(--transition);
}
#navbar.scrolled {
  background: rgba(247,244,240,0.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--border-soft);
}

/* Logo: usa tu PNG directamente */
.nav-logo img { height: 60px; width: auto; }
/* Fallback texto */
.nav-logo-text { font-family: var(--font-mono); font-size: 0.9rem; letter-spacing: 0.08em; color: var(--teal); }
.nav-logo-text .logo-gold { color: var(--gold); }

.nav-links { display: flex; align-items: center; gap: 36px; }
.nav-links a {
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: #1a1a1a;
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--teal); }
.nav-links a.nav-cta {
  color: var(--borgona);
  border: 1.5px solid var(--borgona);
  padding: 8px 20px;
  border-radius: var(--radius);
  transition: background var(--transition), color var(--transition);
}
.nav-links a.nav-cta:hover { background: var(--borgona); color: #fff; }

.nav-toggle { display: none; flex-direction: column; gap: 5px; padding: 4px; }
.nav-toggle span { display: block; width: 24px; height: 1.5px; background: var(--text); transition: var(--transition); }

/* ═══════════════════════════════════════════
   HERO
═══════════════════════════════════════════ */
#hero {
  position: relative;
  height: 100svh;
  min-height: 600px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; background: var(--bg3); }
.hero-img { width: 100%; height: 100%; object-fit: cover; object-position: center top; }
.hero-bg.no-img { background: linear-gradient(135deg, #d4e8ec 0%, var(--bg3) 60%); }
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(
    to top,
    rgba(0,0,0,0.80) 0%,
    rgba(0,0,0,0.35) 45%,
    rgba(0,0,0,0.10) 100%
  );
}
.hero-content {
  position: relative;
  z-index: 2;
  padding: 0 40px 80px;
  max-width: 700px;
}
.hero-label {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 800;
  color: var(--gold);
  letter-spacing: 0.15em;
  margin-bottom: 24px;
}
.hero-title { margin-bottom: 16px; color: #ffffff; }
.hero-sub { font-size: 1.1rem; color: rgba(255,255,255,0.75); margin-bottom: 40px; }

.hero-scroll {
  position: absolute;
  bottom: 40px; right: 40px;
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  z-index: 2;
}
.hero-scroll span {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  color: var(--text-light);
  writing-mode: vertical-rl;
}
.scroll-line {
  width: 1px; height: 60px;
  background: linear-gradient(to bottom, var(--teal), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%,100% { transform: scaleY(1); opacity: 1; }
  50% { transform: scaleY(0.5); opacity: 0.3; }
}

/* ═══════════════════════════════════════════
   ABOUT
═══════════════════════════════════════════ */
#about { padding: 120px 0; background: var(--bg2); }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  align-items: center;
}
.about-img-wrap { position: relative; }
.about-img-wrap img {
  width: 100%; aspect-ratio: 3/4; object-fit: cover;
  border-radius: var(--radius); box-shadow: var(--shadow-md);
}
.about-img-placeholder {
  width: 100%; aspect-ratio: 3/4;
  background: var(--teal-light);
  border: 1.5px dashed var(--teal);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  color: var(--teal);
  font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.1em;
  position: absolute; inset: 0;
}
.about-img-wrap img + .about-img-placeholder { display: none; }

.about-badge {
  position: absolute; bottom: -16px; right: -16px;
  background: var(--borgona); color: #fff;
  font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.1em;
  padding: 10px 16px; border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.about-text h2 { margin-bottom: 24px; }
.about-text p { color: var(--text-muted); margin-bottom: 16px; }

.about-stats {
  display: flex; gap: 40px; margin: 40px 0; padding: 32px 0;
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
}
.stat { display: flex; flex-direction: column; }
.stat-num { font-family: var(--font-display); font-size: 1.6rem; color: var(--teal); }
.stat-label { font-family: var(--font-mono); font-size: 0.72rem; color: var(--text-light); letter-spacing: 0.1em; margin-top: 4px; }

.about-social { display: flex; gap: 16px; }
.about-social a {
  width: 44px; height: 44px;
  border: 1.5px solid var(--border-soft); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg); transition: border-color var(--transition), background var(--transition);
}
.about-social a:hover { border-color: var(--teal); background: var(--teal-light); }
.about-social svg { width: 18px; height: 18px; stroke: var(--text-muted); }
.about-social a:hover svg { stroke: var(--teal); }

/* ═══════════════════════════════════════════
   SERVICES
═══════════════════════════════════════════ */
#services { padding: 120px 0; background: var(--bg3); }

.services-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

.service-card {
  background: var(--bg2); border: 1px solid var(--border-soft);
  border-radius: var(--radius); padding: 40px 28px;
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.service-card:hover { border-color: var(--teal); transform: translateY(-4px); box-shadow: var(--shadow-md); }
.service-icon { width: 48px; height: 48px; margin-bottom: 24px; }
.service-icon svg { width: 100%; height: 100%; stroke: var(--teal); }
.service-card h3 { margin-bottom: 12px; font-size: 1.1rem; }
.service-card p { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 24px; }
.service-tag {
  font-family: var(--font-mono); font-size: 0.72rem;
  color: var(--gold); letter-spacing: 0.1em;
  border: 1px solid rgba(200,169,110,0.4);
  padding: 4px 10px; border-radius: 20px;
  background: var(--gold-light);
}

/* ═══════════════════════════════════════════
   PORTFOLIO
═══════════════════════════════════════════ */
#portfolio { padding: 120px 0; background: var(--bg2); }

.portfolio-filters { display: flex; gap: 8px; margin-bottom: 40px; flex-wrap: wrap; }
.filter-btn {
  font-family: var(--font-mono); font-size: 0.75rem;
  letter-spacing: 0.1em; text-transform: uppercase;
  padding: 8px 20px; border: 1.5px solid var(--border-soft);
  border-radius: 30px; color: var(--text-muted); background: transparent;
  transition: all var(--transition);
}
.filter-btn:hover, .filter-btn.active {
  border-color: var(--teal); color: var(--teal); background: var(--teal-light);
}

.portfolio-grid { columns: 3; column-gap: 16px; }
.portfolio-item {
  position: relative; break-inside: avoid; margin-bottom: 16px;
  overflow: hidden; border-radius: var(--radius); cursor: pointer;
  background: var(--bg3); box-shadow: var(--shadow-sm);
}
.portfolio-item img { width: 100%; display: block; transition: transform 0.5s ease; }
.portfolio-item.placeholder-item { min-height: 280px; }
.portfolio-item.placeholder-item img { display: none; }
.portfolio-item.placeholder-item::after {
  content: 'Tu foto aquí'; position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  color: var(--teal); font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.1em;
}
.portfolio-item:hover img { transform: scale(1.04); }

.portfolio-overlay {
  position: absolute; inset: 0;
  background: rgba(46,124,138,0.75);
  display: flex; align-items: flex-end; justify-content: space-between;
  padding: 20px; opacity: 0; transition: opacity var(--transition);
}
.portfolio-item:hover .portfolio-overlay { opacity: 1; }
.portfolio-overlay span {
  font-family: var(--font-mono); font-size: 0.72rem;
  letter-spacing: 0.1em; color: #fff; text-transform: uppercase;
}
.zoom-btn {
  width: 36px; height: 36px; border: 1.5px solid #fff; border-radius: 50%;
  color: #fff; font-size: 1rem;
  display: flex; align-items: center; justify-content: center;
  transition: background var(--transition);
}
.zoom-btn:hover { background: rgba(255,255,255,0.2); }
.portfolio-item.hidden { display: none; }
.portfolio-more { text-align: center; margin-top: 60px; }

/* ═══════════════════════════════════════════
   LIGHTBOX
═══════════════════════════════════════════ */
#lightbox {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(26,26,26,0.97);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none; transition: opacity 0.3s;
}
#lightbox.open { opacity: 1; pointer-events: all; }
#lb-img-wrap { max-width: 90vw; max-height: 90svh; }
#lb-img { max-width: 100%; max-height: 90svh; object-fit: contain; border-radius: var(--radius); }
#lb-close {
  position: absolute; top: 24px; right: 28px;
  color: rgba(255,255,255,0.5); font-size: 1.5rem;
  transition: color var(--transition); z-index: 201;
}
#lb-close:hover { color: #fff; }
#lb-prev, #lb-next {
  position: absolute; top: 50%; transform: translateY(-50%);
  color: rgba(255,255,255,0.4); font-size: 3rem; padding: 20px;
  transition: color var(--transition); z-index: 201;
}
#lb-prev { left: 8px; } #lb-next { right: 8px; }
#lb-prev:hover, #lb-next:hover { color: var(--teal); }

/* ═══════════════════════════════════════════
   CONTACT
═══════════════════════════════════════════ */
#contact { padding: 120px 0; background: var(--bg3); }

.contact-grid {
  display: grid; grid-template-columns: 1fr 1.5fr;
  gap: 80px; align-items: start;
}
.contact-info h2 { margin-bottom: 20px; }
.contact-info > p { color: var(--text-muted); margin-bottom: 40px; }
.contact-links { display: flex; flex-direction: column; gap: 12px; }
.contact-links a {
  font-family: var(--font-mono); font-size: 0.85rem;
  color: var(--teal); transition: color var(--transition);
}
.contact-links a:hover { color: var(--teal-dark); }

.contact-form { display: flex; flex-direction: column; gap: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 8px; }
label {
  font-family: var(--font-mono); font-size: 0.72rem;
  letter-spacing: 0.1em; color: var(--text-muted); text-transform: uppercase;
}
input, select, textarea {
  background: var(--bg2); border: 1.5px solid var(--border-soft);
  border-radius: var(--radius); color: var(--text);
  font-family: var(--font-body); font-size: 0.95rem;
  padding: 14px 18px;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none; width: 100%; appearance: none;
}
input::placeholder, textarea::placeholder { color: var(--text-light); }
input:focus, select:focus, textarea:focus {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(46,124,138,0.1);
}
textarea { resize: vertical; min-height: 120px; }
select { cursor: pointer; }
.form-feedback {
  font-family: var(--font-mono); font-size: 0.82rem;
  padding: 12px 18px; border-radius: var(--radius); text-align: center;
}
.form-feedback.success {
  background: rgba(46,124,138,0.08); color: var(--teal-dark);
  border: 1px solid rgba(46,124,138,0.2);
}
.form-feedback.error {
  background: rgba(122,37,53,0.08); color: var(--borgona);
  border: 1px solid rgba(122,37,53,0.2);
}

/* ═══════════════════════════════════════════
   FOOTER
═══════════════════════════════════════════ */
footer { background: var(--teal-dark); padding: 40px 0; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.footer-logo img { height: 40px; width: auto; filter: brightness(0) invert(1); }
.footer-logo-text { font-family: var(--font-mono); font-size: 0.85rem; letter-spacing: 0.1em; color: rgba(255,255,255,0.8); }
.footer-copy { font-size: 0.82rem; color: rgba(255,255,255,0.5); }
.footer-social { display: flex; gap: 20px; }
.footer-social a {
  font-family: var(--font-mono); font-size: 0.78rem;
  letter-spacing: 0.08em; color: rgba(255,255,255,0.5);
  transition: color var(--transition);
}
.footer-social a:hover { color: var(--gold); }

/* ═══════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════ */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr 1fr; gap: 48px; }
}
@media (max-width: 768px) {
  .container { padding: 0 20px; }
  #navbar { padding: 0 20px; }
  .nav-toggle { display: flex; z-index: 110; }
  .nav-links {
    position: fixed; top: 0; right: 0; bottom: 0; width: 80%; max-width: 320px;
    background: var(--bg2); flex-direction: column; align-items: flex-start;
    padding: 100px 40px 40px; gap: 32px;
    transform: translateX(100%); transition: transform var(--transition);
    border-left: 1px solid var(--border-soft); z-index: 105; box-shadow: var(--shadow-md);
  }
  .nav-links.open { transform: translateX(0); }
  .nav-links a {
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.05em;
  color: var(--text);        /* ← cambia text-muted por text */
  transition: color var(--transition);
}
  .hero-content {
  position: relative;
  z-index: 2;
  padding: 0 40px 120px;   /* ← sube de 80px a 120px */
  max-width: 700px;
}
  .hero-scroll { display: none; }
  #about { padding: 80px 0; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-img-wrap { max-width: 340px; }
  .about-stats { gap: 24px; }
  #services { padding: 80px 0; }
  .services-grid { grid-template-columns: 1fr; }
  #portfolio { padding: 80px 0; }
  .portfolio-grid { columns: 2; }
  #contact { padding: 80px 0; }
  .contact-grid { grid-template-columns: 1fr; gap: 48px; }
  .form-row { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; text-align: center; }
}
@media (max-width: 480px) {
  .portfolio-grid { columns: 1; }
  h1 { font-size: 2.8rem; }
  h2 { font-size: 2rem; }
}

/* ═══════════════════════════════════════════
   SCROLL REVEAL
═══════════════════════════════════════════ */
.reveal { opacity: 0; transform: translateY(32px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ═══════════════════════════════════════════
   WHATSAPP FLOTANTE
═══════════════════════════════════════════ */
.wa-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  width: 56px;
  height: 56px;
  background: #25d366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.wa-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(37, 211, 102, 0.6);
}
.wa-float svg {
  width: 30px;
  height: 30px;
  color: #fff;
}

/* ═══════════════════════════════════════════
  Animación de pulso para llamar atención
═══════════════════════════════════════════ */
.wa-float::before {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: #25d366;
  opacity: 0.4;
  animation: waPulse 2s ease-out infinite;
}
@keyframes waPulse {
  0%   { transform: scale(1); opacity: 0.4; }
  70%  { transform: scale(1.5); opacity: 0; }
  100% { transform: scale(1.5); opacity: 0; }
}

/* Ocultar en móvil si el scroll indicator existe */
@media (max-width: 480px) {
  .wa-float {
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
  }
}

/* ═══════════════════════════════════════════
   TESTIMONIOS
═══════════════════════════════════════════ */
#testimonios {
  padding: 120px 0;
  background: var(--bg);
}

.testimonios-carousel {
  position: relative;
  overflow: hidden;
}

.testimonios-track {
  display: flex;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.testimonio-card {
  min-width: 100%;
  background: var(--bg2);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 48px 60px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.testimonio-stars {
  color: var(--gold);
  font-size: 1.2rem;
  letter-spacing: 4px;
}

.testimonio-texto {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-style: italic;
  color: var(--text);
  line-height: 1.7;
  max-width: 700px;
}

.testimonio-autor {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 8px;
}

.testimonio-iniciales {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--teal-light);
  border: 1.5px solid var(--teal);
  color: var(--teal);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.testimonio-nombre {
  display: block;
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text);
}

.testimonio-servicio {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--gold);
  text-transform: uppercase;
  margin-top: 2px;
}

/* Botones prev/next */
.test-prev, .test-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1.5px solid var(--border-soft);
  background: var(--bg2);
  color: var(--text-muted);
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  z-index: 2;
}
.test-prev { left: -20px; }
.test-next { right: -20px; }
.test-prev:hover, .test-next:hover {
  border-color: var(--teal);
  color: var(--teal);
  background: var(--teal-light);
}

/* Dots */
.test-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 32px;
}
.test-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--border-soft);
  border: none;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
}
.test-dot.active {
  background: var(--teal);
  transform: scale(1.3);
}

@media (max-width: 768px) {
  .testimonio-card { padding: 32px 24px; }
  .testimonio-texto { font-size: 1.05rem; }
  .test-prev { left: 0; }
  .test-next { right: 0; }
}

/* ═══════════════════════════════════════════
   CÓMO FUNCIONA
═══════════════════════════════════════════ */
#como-funciona {
  padding: 120px 0;
  background: var(--bg2);
}

.pasos-grid {
  display: flex;
  align-items: center;
  gap: 0;
}

.paso {
  flex: 1;
  text-align: center;
  padding: 40px 24px;
  background: var(--bg);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  position: relative;
}
.paso:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--teal);
}

.paso-num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  color: var(--gold);
  margin-bottom: 16px;
}

.paso-icon {
  width: 56px;
  height: 56px;
  background: var(--teal-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  transition: background var(--transition);
}
.paso:hover .paso-icon { background: var(--teal); }
.paso-icon svg {
  width: 26px;
  height: 26px;
  stroke: var(--teal);
  transition: stroke var(--transition);
}
.paso:hover .paso-icon svg { stroke: #fff; }

.paso-content h3 {
  font-size: 1.05rem;
  margin-bottom: 12px;
  color: var(--text);
}

.paso-content p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Conector entre pasos */
.paso-conector {
  width: 48px;
  height: 2px;
  background: linear-gradient(to right, var(--teal), var(--gold));
  flex-shrink: 0;
  position: relative;
}
.paso-conector::after {
  content: '›';
  position: absolute;
  right: -6px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gold);
  font-size: 1.2rem;
  line-height: 1;
}

.como-cta {
  text-align: center;
  margin-top: 56px;
}

/* ── Desktop: grid de 4 columnas */
@media (min-width: 769px) {
  .pasos-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    align-items: stretch;
  }
  .paso {
    flex: none;
    width: 100%;
  }
  .paso-conector { display: none; }
}

/* ── Móvil: columna con ícono a la izquierda */
@media (max-width: 768px) {
  #como-funciona { padding: 80px 0; }

  .pasos-grid {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .paso {
    flex: none;
    width: 100%;
    padding: 28px 20px;
    text-align: left;
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    gap: 16px;
  }

  .paso-num { display: none; }

  .paso-icon {
    width: 44px;
    height: 44px;
    flex-shrink: 0;
    margin: 0;
  }
  .paso-icon svg {
    width: 20px;
    height: 20px;
  }

  .paso-content { flex: 1; }

  .paso-content h3 {
    font-size: 1rem;
    margin-bottom: 6px;
    text-align: left;
  }
  .paso-content p {
    font-size: 0.85rem;
    text-align: left;
  }

  /* Conector vertical */
  .paso-conector {
    width: 2px;
    height: 24px;
    background: linear-gradient(to bottom, var(--teal), var(--gold));
    margin-left: 38px;
  }
  .paso-conector::after {
    content: '↓';
    right: auto;
    left: 50%;
    top: auto;
    bottom: -10px;
    transform: translateX(-50%);
    font-size: 0.9rem;
  }
}