/* =========================================================
   EVIDENTIA POLIGRAFÍA PROFESIONAL — styles.css
   Mobile-first | CSS3 | No frameworks
   ========================================================= */

/* ===== CSS CUSTOM PROPERTIES ===== */
:root {
  /* Colors — matches logo palette */
  --clr-dark:       #0a0f1e;
  --clr-dark-2:     #0f1729;
  --clr-dark-3:     #141f35;
  --clr-card-dark:  #1a2540;
  --clr-teal:       #00c9b8;
  --clr-teal-dark:  #00a898;
  --clr-teal-glow:  rgba(0, 201, 184, 0.15);
  --clr-blue:       #1565c0;
  --clr-blue-light: #1976d2;
  --clr-white:      #ffffff;
  --clr-light:      #f8fafc;
  --clr-light-2:    #f1f5f9;
  --clr-text:       #1e293b;
  --clr-text-mid:   #475569;
  --clr-text-muted: #94a3b8;
  --clr-border:     #e2e8f0;
  --clr-border-dark:#1e2f4a;
  --clr-whatsapp:   #25d366;
  --clr-whatsapp-d: #128c7e;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;

  /* Spacing */
  --section-py:    5rem;
  --container-max: 1200px;
  --container-px:  1.25rem;
  --gap:           1.5rem;
  --radius-sm:     8px;
  --radius:        12px;
  --radius-lg:     20px;
  --radius-xl:     28px;

  /* Shadows */
  --shadow-sm:  0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow:     0 4px 16px rgba(0,0,0,.10);
  --shadow-md:  0 8px 30px rgba(0,0,0,.12);
  --shadow-lg:  0 20px 60px rgba(0,0,0,.16);
  --shadow-teal: 0 8px 32px rgba(0,201,184,.25);

  /* Transitions */
  --ease:       cubic-bezier(0.4, 0, 0.2, 1);
  --trans:      0.25s var(--ease);
  --trans-slow: 0.5s var(--ease);

  /* Nav height */
  --nav-h: 72px;
}

/* ===== RESET & BASE ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  color: var(--clr-text);
  background: var(--clr-white);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

ul, ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

select, input, textarea {
  font-family: inherit;
}

/* ===== SKIP NAV (Accessibility) ===== */
.skip-nav {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 9999;
  background: var(--clr-teal);
  color: var(--clr-dark);
  padding: 0.75rem 1.25rem;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  font-weight: 600;
  font-size: 0.875rem;
  transition: top var(--trans);
}
.skip-nav:focus {
  top: 0;
  outline: 3px solid var(--clr-dark);
  outline-offset: 2px;
}

/* ===== CONTAINER ===== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-px);
}

/* ===== SECTION BASE ===== */
.section {
  padding-block: var(--section-py);
}

.section-dark {
  background: var(--clr-dark);
  color: var(--clr-white);
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin-inline: auto;
  margin-bottom: 3.5rem;
}
.section-header p {
  font-size: 1.0625rem;
  color: var(--clr-text-mid);
  margin-top: 0.875rem;
  line-height: 1.7;
}

.section-header-light h2,
.section-header-light p {
  color: var(--clr-white);
}
.section-header-light p {
  color: rgba(255,255,255,0.72);
}

.section-header h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.03em;
  color: var(--clr-dark);
}
.section-header-light h2 {
  color: var(--clr-white);
}

/* ===== BADGE ===== */
.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--clr-teal);
  background: rgba(0,201,184,0.12);
  border: 1px solid rgba(0,201,184,0.3);
  padding: 0.375rem 0.875rem;
  border-radius: 100px;
  margin-bottom: 0.875rem;
}

.badge-light {
  color: var(--clr-teal);
  background: rgba(0,201,184,0.14);
  border-color: rgba(0,201,184,0.35);
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.9375rem;
  font-weight: 600;
  padding: 0.7rem 1.5rem;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  transition: all var(--trans);
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  position: relative;
}
.btn:focus-visible {
  outline: 3px solid var(--clr-teal);
  outline-offset: 3px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--clr-teal), var(--clr-teal-dark));
  color: var(--clr-dark);
  border-color: transparent;
  box-shadow: var(--shadow-teal);
}
.btn-primary:hover {
  background: linear-gradient(135deg, #00dece, #00b8a6);
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(0,201,184,.35);
}
.btn-primary:active {
  transform: translateY(0);
}

.btn-whatsapp {
  background: var(--clr-whatsapp);
  color: var(--clr-white);
  border-color: transparent;
}
.btn-whatsapp:hover {
  background: #22c55e;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(37,211,102,.35);
}

.btn-outline {
  background: transparent;
  color: var(--clr-dark);
  border-color: var(--clr-border);
}
.btn-outline:hover {
  background: var(--clr-light-2);
  border-color: var(--clr-text-muted);
}

.btn-lg {
  font-size: 1rem;
  padding: 0.875rem 2rem;
}

.btn-sm {
  font-size: 0.8125rem;
  padding: 0.5rem 1.125rem;
}

.btn-block {
  width: 100%;
}

/* ===== HEADER / NAV ===== */
.header {
  position: sticky;
  top: 0;
  z-index: 900;
  height: var(--nav-h);
  background: rgba(10, 15, 30, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--clr-border-dark);
  transition: box-shadow var(--trans);
}
.header.scrolled {
  box-shadow: 0 4px 32px rgba(0,0,0,.4);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 1rem;
}

.nav-logo img {
  height: 52px;
  width: auto;
  object-fit: contain;
}
.nav-logo:focus-visible {
  outline: 2px solid var(--clr-teal);
  border-radius: 4px;
  outline-offset: 3px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-link {
  color: rgba(255,255,255,0.8);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.5rem 0.875rem;
  border-radius: var(--radius-sm);
  transition: color var(--trans), background var(--trans);
}
.nav-link:hover,
.nav-link:focus-visible {
  color: var(--clr-white);
  background: rgba(255,255,255,0.08);
}
.nav-link:focus-visible {
  outline: 2px solid var(--clr-teal);
  outline-offset: 2px;
}

.nav-cta {
  margin-left: 0.5rem;
}

/* Nav Actions (always visible: platform btn + hamburger) */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  flex-shrink: 0;
}

/* Platform / Login Button */
.btn-platform {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--clr-teal);
  background: transparent;
  border: 1.5px solid rgba(0,201,184,0.45);
  border-radius: var(--radius-sm);
  padding: 0.45rem 0.9rem;
  white-space: nowrap;
  transition: background var(--trans), border-color var(--trans), color var(--trans), box-shadow var(--trans);
  text-decoration: none;
}
.btn-platform:hover {
  background: rgba(0,201,184,0.12);
  border-color: var(--clr-teal);
  box-shadow: 0 0 0 3px rgba(0,201,184,0.15);
}
.btn-platform:focus-visible {
  outline: 2px solid var(--clr-teal);
  outline-offset: 3px;
}
.btn-platform svg {
  flex-shrink: 0;
}

/* Mobile-only copy (in nav-actions, outside the overlay menu) */
.btn-platform-mobile {
  display: inline-flex; /* visible on mobile by default */
}

/* Inside nav-menu on mobile overlay — hide to avoid duplication */
.nav-menu .btn-platform {
  display: none;
}

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--trans);
  z-index: 901;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--clr-white);
  border-radius: 2px;
  transition: all var(--trans);
  transform-origin: center;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ===== HERO ===== */
.hero {
  min-height: calc(100svh - var(--nav-h));
  background: var(--clr-dark);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-grid-pattern {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,201,184,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,201,184,0.04) 1px, transparent 1px);
  background-size: 48px 48px;
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
}
.hero-glow-1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0,201,184,0.18) 0%, transparent 70%);
  top: -200px;
  right: -100px;
}
.hero-glow-2 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(21,101,192,0.2) 0%, transparent 70%);
  bottom: -150px;
  left: -100px;
}

.hero-inner {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
  gap: 3rem;
  padding-block: 4rem 3rem;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--clr-teal);
  background: rgba(0,201,184,0.1);
  border: 1px solid rgba(0,201,184,0.28);
  padding: 0.4rem 0.9rem;
  border-radius: 100px;
  margin-bottom: 1.25rem;
}

.hero-content h1 {
  font-size: clamp(2rem, 5.5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.04em;
  color: var(--clr-white);
  margin-bottom: 1.25rem;
}

.text-gradient {
  background: linear-gradient(135deg, var(--clr-teal), #4dd9d0, #00a8ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.125rem);
  color: rgba(255,255,255,0.72);
  max-width: 580px;
  line-height: 1.7;
  margin-bottom: 2rem;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-bottom: 2.25rem;
}
.hero-stat {
  text-align: center;
}
.hero-stat strong {
  display: block;
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--clr-white);
  line-height: 1;
}
.hero-stat small {
  display: block;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.55);
  margin-top: 0.25rem;
  font-weight: 500;
}
.hero-stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.15);
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 0.875rem;
  margin-bottom: 2rem;
}

.trust-badges {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1rem;
}
.trust-item {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.825rem;
  color: rgba(255,255,255,0.65);
  font-weight: 500;
}
.trust-item svg {
  color: var(--clr-teal);
  flex-shrink: 0;
}
.trust-sep {
  color: rgba(255,255,255,0.25);
}

/* Hero Visual */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero-card-wrapper {
  position: relative;
  width: min(400px, 100%);
}
.hero-card-glow {
  position: absolute;
  inset: -20px;
  background: radial-gradient(circle, rgba(0,201,184,0.2) 0%, transparent 65%);
  border-radius: 50%;
  filter: blur(20px);
}
.hero-card {
  position: relative;
  background: linear-gradient(145deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02));
  border: 1px solid rgba(0,201,184,0.2);
  border-radius: var(--radius-xl);
  padding: 2.5rem 2rem;
  text-align: center;
  backdrop-filter: blur(10px);
}
.hero-logo-display {
  margin: 0 auto 1.5rem;
  border-radius: var(--radius);
  max-width: 240px;
  width: 100%;
}

/* EKG animation */
.ekg-container {
  overflow: hidden;
  margin-bottom: 1.5rem;
}
.ekg-svg {
  width: 100%;
  height: 56px;
}
.ekg-line {
  stroke-dasharray: 900;
  stroke-dashoffset: 900;
  animation: ekg-draw 3s ease-in-out infinite;
}
@keyframes ekg-draw {
  0%   { stroke-dashoffset: 900; opacity: 0; }
  10%  { opacity: 1; }
  60%  { stroke-dashoffset: 0; opacity: 1; }
  80%  { stroke-dashoffset: 0; opacity: 0.8; }
  100% { stroke-dashoffset: -900; opacity: 0; }
}

.hero-card-tags {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.hero-tag {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--clr-teal);
  background: rgba(0,201,184,0.12);
  border: 1px solid rgba(0,201,184,0.25);
  padding: 0.3rem 0.75rem;
  border-radius: 100px;
}

/* Scroll hint */
.hero-scroll-hint {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  padding-bottom: 1.5rem;
  color: rgba(255,255,255,0.4);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  animation: bounce-hint 2s ease-in-out infinite;
  position: relative;
  z-index: 1;
}
@keyframes bounce-hint {
  0%, 100% { transform: translateY(0); opacity: 0.4; }
  50% { transform: translateY(6px); opacity: 0.7; }
}

/* ===== ABOUT ===== */
.about {
  background: var(--clr-light-2);
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}
.about-card {
  background: var(--clr-white);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  transition: border-color var(--trans), box-shadow var(--trans), transform var(--trans);
}
.about-card:hover {
  border-color: var(--clr-teal);
  box-shadow: var(--shadow-teal);
  transform: translateY(-3px);
}
.about-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, rgba(0,201,184,0.12), rgba(21,101,192,0.1));
  border: 1px solid rgba(0,201,184,0.25);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-teal);
}
.about-card h3 {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--clr-dark);
}
.about-card p {
  font-size: 0.9375rem;
  color: var(--clr-text-mid);
  line-height: 1.65;
}

.about-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  margin-top: 0.5rem;
}

/* ===== SERVICES ===== */
.services {
  background: var(--clr-white);
}

.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-bottom: 3rem;
}

.service-card {
  background: var(--clr-white);
  border: 1.5px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  position: relative;
  overflow: hidden;
  transition: border-color var(--trans), transform var(--trans), box-shadow var(--trans);
}
.service-card:hover {
  border-color: var(--clr-teal);
  transform: translateY(-4px);
  box-shadow: var(--shadow-teal);
}

.service-card-featured {
  border-color: var(--clr-teal);
  background: linear-gradient(145deg, #f0fdfc, #e8faf8);
}

.service-badge-featured {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: var(--clr-teal);
  color: var(--clr-dark);
  padding: 0.28rem 0.75rem;
  border-radius: 100px;
}

.service-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, rgba(0,201,184,0.12), rgba(21,101,192,0.08));
  border: 1px solid rgba(0,201,184,0.2);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-teal);
  flex-shrink: 0;
}

.service-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--clr-dark);
}
.service-card p {
  font-size: 0.9rem;
  color: var(--clr-text-mid);
  line-height: 1.65;
}

.service-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-top: 0.25rem;
  flex: 1;
}
.service-features li {
  font-size: 0.8625rem;
  color: var(--clr-text-mid);
  padding-left: 1.25rem;
  position: relative;
}
.service-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--clr-teal);
  font-weight: 700;
}

.service-link {
  display: inline-flex;
  align-items: center;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--clr-text-muted);
  margin-top: auto;
  transition: color var(--trans);
}
.service-link:hover {
  color: var(--clr-teal-dark);
}
.service-link-accent {
  color: var(--clr-teal-dark);
}
.service-link-accent:hover {
  color: var(--clr-teal);
}

.services-bottom-cta {
  text-align: center;
}
.services-bottom-cta p {
  color: var(--clr-text-mid);
  margin-bottom: 1.25rem;
  font-size: 1rem;
}

/* ===== HOW IT WORKS ===== */
.how-it-works {
  background: var(--clr-white);
}

.steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-bottom: 3rem;
  position: relative;
}
.steps::before {
  content: '';
  position: absolute;
  left: 31px;
  top: 24px;
  bottom: 24px;
  width: 2px;
  background: linear-gradient(to bottom, var(--clr-teal), var(--clr-border));
  z-index: 0;
}

.step {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  padding: 1.5rem 0;
  position: relative;
  z-index: 1;
}

.step-number {
  flex-shrink: 0;
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--clr-teal), var(--clr-teal-dark));
  color: var(--clr-dark);
  font-size: 0.875rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-teal);
  position: relative;
}

.step-body {
  flex: 1;
  padding-top: 0.75rem;
}
.step-icon {
  color: var(--clr-teal);
  margin-bottom: 0.625rem;
}
.step-body h3 {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--clr-dark);
  margin-bottom: 0.375rem;
}
.step-body p {
  font-size: 0.9375rem;
  color: var(--clr-text-mid);
  line-height: 1.65;
}

.process-cta {
  text-align: center;
}

/* ===== BENEFITS ===== */
.benefits {
  background: var(--clr-light-2);
}

.benefits-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}
.benefit-item {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  padding: 1.5rem;
  background: var(--clr-white);
  border: 1.5px solid var(--clr-border);
  border-radius: var(--radius);
  transition: border-color var(--trans), box-shadow var(--trans), transform var(--trans);
}
.benefit-item:hover {
  border-color: var(--clr-teal);
  box-shadow: var(--shadow-teal);
  transform: translateY(-2px);
}
.benefit-icon {
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, rgba(0,201,184,0.12), rgba(21,101,192,0.08));
  border: 1px solid rgba(0,201,184,0.2);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-teal);
}
.benefit-item h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--clr-dark);
  margin-bottom: 0.25rem;
}
.benefit-item p {
  font-size: 0.8875rem;
  color: var(--clr-text-mid);
  line-height: 1.6;
}

/* ===== FAQ ===== */
.faq {
  background: var(--clr-white);
}

.faq-list {
  max-width: 780px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
  margin-bottom: 3rem;
}

.faq-item {
  border: 1.5px solid var(--clr-border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--clr-white);
  transition: border-color var(--trans), box-shadow var(--trans);
}
.faq-item.open {
  border-color: var(--clr-teal);
  box-shadow: 0 4px 16px rgba(0,201,184,0.12);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.125rem 1.375rem;
  text-align: left;
  color: var(--clr-dark);
  font-size: 0.9375rem;
  font-weight: 600;
  background: transparent;
  border: none;
  cursor: pointer;
  transition: background var(--trans), color var(--trans);
}
.faq-question:hover {
  background: var(--clr-light);
  color: var(--clr-teal-dark);
}
.faq-question:focus-visible {
  outline: 2px solid var(--clr-teal);
  outline-offset: -2px;
}
.faq-question[aria-expanded="true"] {
  color: var(--clr-teal-dark);
  background: rgba(0,201,184,0.06);
}
.faq-chevron {
  flex-shrink: 0;
  transition: transform var(--trans);
  color: var(--clr-text-muted);
}
.faq-question[aria-expanded="true"] .faq-chevron {
  transform: rotate(180deg);
  color: var(--clr-teal);
}

.faq-answer {
  padding: 0 1.375rem 1.375rem;
  border-top: 1px solid var(--clr-border);
}
.faq-answer p {
  font-size: 0.9rem;
  color: var(--clr-text-mid);
  line-height: 1.7;
  padding-top: 1rem;
}

.faq-cta {
  text-align: center;
}
.faq-cta p {
  color: var(--clr-text-mid);
  margin-bottom: 1.25rem;
  font-size: 1rem;
}

/* ===== CONTACT ===== */
.contact {
  background: var(--clr-light);
}

.contact-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-bottom: 3rem;
}

.contact-card {
  background: var(--clr-white);
  border: 1.5px solid var(--clr-border);
  border-radius: var(--radius);
  padding: 1.75rem 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.625rem;
  transition: border-color var(--trans), box-shadow var(--trans), transform var(--trans);
}
.contact-card:hover {
  border-color: var(--clr-teal);
  box-shadow: var(--shadow-teal);
  transform: translateY(-3px);
}

.contact-card-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, rgba(0,201,184,0.12), rgba(21,101,192,0.08));
  border: 1px solid rgba(0,201,184,0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-teal);
  margin-bottom: 0.25rem;
}

.contact-card strong {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--clr-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.07em;
}
.contact-card a,
.contact-card span {
  font-size: 0.9375rem;
  color: var(--clr-text);
  font-weight: 500;
  line-height: 1.5;
}
.contact-card a:hover {
  color: var(--clr-teal-dark);
  text-decoration: underline;
}

.contact-wa-cta {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}
.contact-wa-cta p {
  font-size: 1rem;
  color: var(--clr-text-mid);
  max-width: 480px;
}
.contact-wa-cta .btn-outline {
  font-size: 0.9rem;
}

/* ===== BOOKING FORM (Agendamiento) ===== */
.booking-form-wrap {
  grid-column: 1 / -1;
  background: var(--clr-white);
  border: 1.5px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 2rem 2rem 2.25rem;
  box-shadow: var(--shadow-md);
}
.booking-title {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--clr-navy);
  margin-bottom: 0.375rem;
}
.booking-sub {
  font-size: 0.9375rem;
  color: var(--clr-text-mid);
  margin-bottom: 1.5rem;
}
.booking-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-bottom: 1rem;
}
.bf-group {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}
.bf-group label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--clr-text-muted);
}
.bf-group input,
.bf-group select,
.bf-group textarea {
  padding: 0.75rem 1rem;
  border: 1.5px solid var(--clr-border);
  border-radius: var(--radius);
  font-size: 0.9375rem;
  font-family: inherit;
  color: var(--clr-text);
  background: var(--clr-white);
  transition: border-color var(--trans), box-shadow var(--trans);
}
.bf-group input:focus,
.bf-group select:focus,
.bf-group textarea:focus {
  outline: none;
  border-color: var(--clr-teal);
  box-shadow: 0 0 0 3px rgba(0,201,184,0.15);
}
.bf-group textarea { resize: vertical; min-height: 80px; }

.slot-picker-landing {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 0.625rem;
}
.slot-picker-landing .slot-btn {
  padding: 0.875rem 0.75rem;
  border-radius: 10px;
  border: 2px solid var(--clr-border);
  background: var(--clr-light);
  cursor: pointer;
  text-align: center;
  font-family: inherit;
  transition: all 0.2s;
}
.slot-picker-landing .slot-btn .slot-time {
  display: block;
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--clr-navy);
}
.slot-picker-landing .slot-btn .slot-status {
  display: block;
  font-size: 0.6875rem;
  color: var(--clr-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-top: 0.2rem;
}
.slot-picker-landing .slot-btn.available:hover {
  border-color: var(--clr-teal);
  background: rgba(0,201,184,0.06);
}
.slot-picker-landing .slot-btn.available.selected {
  border-color: var(--clr-teal);
  background: rgba(0,201,184,0.12);
  box-shadow: var(--shadow-teal);
}
.slot-picker-landing .slot-btn.occupied {
  opacity: 0.45;
  cursor: not-allowed;
  background: #fef2f2;
  border-color: #fecaca;
}
.slot-picker-landing .slot-btn.occupied .slot-status { color: #dc2626; }
.slot-hint { font-size: 0.875rem; color: var(--clr-text-muted); padding: 0.5rem 0; }

.booking-msg {
  padding: 0.875rem 1rem;
  border-radius: var(--radius);
  font-size: 0.875rem;
  margin-bottom: 1rem;
}
.booking-msg.success {
  background: #f0fdf4;
  color: #166534;
  border: 1px solid #bbf7d0;
}
.booking-msg.error {
  background: #fef2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
}
.booking-submit { width: 100%; margin-top: 0.5rem; }

.contact-cards-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  grid-column: 1 / -1;
}

@media (min-width: 640px) {
  .booking-grid { grid-template-columns: 1fr 1fr; }
  .contact-cards-inner { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .contact-cards-inner { grid-template-columns: repeat(3, 1fr); }
}

/* ===== LOCATION ===== */
.location {
  background: var(--clr-light-2);
}
.map-wrapper {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--clr-border);
}
.map-wrapper iframe {
  display: block;
  width: 100%;
}

/* ===== FOOTER ===== */
.footer {
  background: var(--clr-dark);
  color: rgba(255,255,255,0.7);
  padding-top: 4rem;
  padding-bottom: 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--clr-border-dark);
}
.footer-brand img {
  margin-bottom: 1rem;
  border-radius: var(--radius-sm);
}
.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.7;
  color: rgba(255,255,255,0.55);
  max-width: 300px;
  margin-bottom: 1.25rem;
}

.social-links {
  display: flex;
  gap: 0.625rem;
}
.social-links a {
  width: 40px;
  height: 40px;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--clr-border-dark);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.6);
  transition: all var(--trans);
}
.social-links a:hover {
  background: var(--clr-teal);
  color: var(--clr-dark);
  border-color: var(--clr-teal);
  transform: translateY(-2px);
}
.social-links a:focus-visible {
  outline: 2px solid var(--clr-teal);
  outline-offset: 3px;
}

.footer-nav h4 {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--clr-white);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin-bottom: 1rem;
}
.footer-nav ul {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}
.footer-nav a {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.55);
  transition: color var(--trans);
}
.footer-nav a:hover {
  color: var(--clr-teal);
}
.footer-nav a:focus-visible {
  outline: 2px solid var(--clr-teal);
  border-radius: 2px;
}

.footer-contact h4 {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--clr-white);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin-bottom: 1rem;
}
.footer-contact address {
  font-style: normal;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.footer-contact p {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-size: 0.9rem;
  color: rgba(255,255,255,0.55);
}
.footer-contact p svg {
  color: var(--clr-teal);
  flex-shrink: 0;
}
.footer-contact a {
  color: rgba(255,255,255,0.7);
  transition: color var(--trans);
}
.footer-contact a:hover {
  color: var(--clr-teal);
}

.footer-bottom {
  padding-block: 1.75rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.footer-bottom p:first-child {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.4);
}
.footer-privacy {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.35);
  line-height: 1.6;
  max-width: 700px;
  margin-inline: auto;
}
.footer-privacy strong {
  color: rgba(255,255,255,0.5);
}

/* ===== WHATSAPP FLOATING BUTTON ===== */
.whatsapp-float {
  position: fixed;
  bottom: 1.75rem;
  right: 1.75rem;
  z-index: 800;
  width: 60px;
  height: 60px;
  background: var(--clr-whatsapp);
  color: var(--clr-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 24px rgba(37,211,102,0.45);
  transition: transform var(--trans), box-shadow var(--trans);
}
.whatsapp-float:hover {
  transform: scale(1.1) translateY(-2px);
  box-shadow: 0 8px 40px rgba(37,211,102,0.6);
}
.whatsapp-float:focus-visible {
  outline: 3px solid #fff;
  outline-offset: 3px;
}
.whatsapp-float-pulse {
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: var(--clr-whatsapp);
  opacity: 0.6;
  animation: wa-pulse 2.5s ease-out infinite;
  pointer-events: none;
}
@keyframes wa-pulse {
  0%   { transform: scale(1); opacity: 0.6; }
  70%  { transform: scale(1.6); opacity: 0; }
  100% { transform: scale(1.6); opacity: 0; }
}

/* ===== REVEAL ANIMATION ===== */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== FOCUS VISIBLE (Global) ===== */
:focus-visible {
  outline: 2px solid var(--clr-teal);
  outline-offset: 2px;
  border-radius: 2px;
}

/* ===== PRINT ===== */
@media print {
  .header, .whatsapp-float, .hero-visual, .nav-toggle { display: none; }
  .section-dark { background: white; color: black; }
  a { color: black; text-decoration: underline; }
}

/* =========================================================
   RESPONSIVE — Tablet 640px+
   ========================================================= */
@media (min-width: 640px) {
  :root {
    --container-px: 2rem;
  }

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

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

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

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

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

  .steps::before {
    left: 31px;
  }
}

/* =========================================================
   RESPONSIVE — Desktop 1024px+
   ========================================================= */
@media (min-width: 1024px) {
  :root {
    --section-py: 6.5rem;
    --container-px: 2.5rem;
  }

  /* Nav — desktop layout: Logo | [links + WhatsApp + Ingresar] auto-pushed right */
  .nav {
    justify-content: flex-start;
  }
  .nav-menu {
    margin-left: auto;
  }
  .nav-toggle {
    display: none;
  }
  /* Show platform btn inside nav-menu on desktop */
  .nav-menu .btn-platform {
    display: inline-flex;
  }
  /* Hide the mobile-only copy on desktop */
  .btn-platform-mobile {
    display: none;
  }

  /* Hero */
  .hero-inner {
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    min-height: calc(100svh - var(--nav-h));
    padding-block: 5rem 4rem;
  }
  .hero-content h1 {
    font-size: clamp(2.5rem, 4.5vw, 3.8rem);
  }
  .hero-visual {
    justify-content: flex-end;
  }

  /* About */
  .about-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  /* Services */
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  /* Steps — horizontal */
  .steps {
    flex-direction: row;
    align-items: flex-start;
    gap: 0;
    flex-wrap: nowrap;
  }
  .steps::before {
    top: 32px;
    left: 64px;
    right: 64px;
    bottom: auto;
    width: auto;
    height: 2px;
    background: linear-gradient(to right, var(--clr-teal), var(--clr-border));
  }
  .step {
    flex-direction: column;
    align-items: center;
    text-align: center;
    flex: 1;
    padding: 0 0.75rem 1.5rem;
  }
  .step-body {
    padding-top: 0;
  }
  .step-icon {
    display: flex;
    justify-content: center;
  }

  /* Benefits */
  .benefits-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  /* Contact */
  .contact-cards {
    grid-template-columns: repeat(4, 1fr);
  }
  .contact-wa-cta {
    flex-direction: row;
    justify-content: center;
    flex-wrap: wrap;
  }

  /* Footer */
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
  }
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
  .footer-privacy {
    margin-inline: 0;
    text-align: right;
    max-width: 500px;
  }
}

/* =========================================================
   RESPONSIVE — Mobile nav overlay
   ========================================================= */
@media (max-width: 1023px) {
  .nav-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    inset: 0;
    top: var(--nav-h);
    background: rgba(10,15,30,0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transform: translateX(100%);
    transition: transform var(--trans-slow);
    z-index: 899;
    padding: 2rem;
    visibility: hidden;        
    pointer-events: none;      
  }

  .nav-menu.open {
    transform: translateX(0);
    visibility: visible;      
    pointer-events: auto;     
  }
  .nav-link {
    font-size: 1.25rem;
    padding: 0.75rem 1.5rem;
    width: 100%;
    text-align: center;
    color: rgba(255,255,255,0.85);
  }
  .nav-cta {
    margin-left: 0;
    margin-top: 0.5rem;
    width: 100%;
    justify-content: center;
  }
}

/* Very small screens: hide platform btn text, show icon only */
@media (max-width: 380px) {
  .btn-platform span { display: none; }
  .btn-platform { padding: 0.45rem 0.6rem; }
}

/* =========================================================
   REDUCED MOTION
   ========================================================= */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
  html {
    scroll-behavior: auto;
  }
}