/* ========================================
   SERVTRONIC - Seguridad Electronica
   Complete Design System
   ======================================== */

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition);
}

ul, ol {
  list-style: none;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
  background: none;
}

/* --- Custom Properties --- */
:root {
  --color-primary: #1B2A6B;
  --color-primary-dark: #111D4A;
  --color-primary-light: #2A3F8F;
  --color-primary-rgb: 27, 42, 107;
  --color-accent: #3B82F6;
  --color-accent-light: #60A5FA;
  --color-accent-dark: #2563EB;
  --color-white: #FFFFFF;
  --color-surface: #F1F5F9;
  --color-surface-alt: #E8EDF5;
  --color-text: #0F172A;
  --color-text-secondary: #475569;
  --color-text-light: #94A3B8;
  --color-whatsapp: #25D366;
  --color-border: #E2E8F0;
  --color-success: #10B981;
  --color-error: #EF4444;

  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Inter', sans-serif;

  --shadow-sm: 0 1px 3px rgba(var(--color-primary-rgb), 0.06);
  --shadow-md: 0 4px 12px rgba(var(--color-primary-rgb), 0.1);
  --shadow-lg: 0 10px 30px rgba(var(--color-primary-rgb), 0.15);
  --shadow-xl: 0 20px 50px rgba(var(--color-primary-rgb), 0.2);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  line-height: 1.2;
  color: var(--color-text);
}

h1 { font-size: 2rem; font-weight: 800; }
h2 { font-size: 1.75rem; font-weight: 700; }
h3 { font-size: 1.25rem; font-weight: 600; }

@media (min-width: 768px) {
  h1 { font-size: 2.75rem; }
  h2 { font-size: 2.25rem; }
  h3 { font-size: 1.5rem; }
}

@media (min-width: 1024px) {
  h1 { font-size: 3.5rem; }
  h2 { font-size: 2.5rem; }
}

/* --- Layout --- */
.container {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: 1.5rem;
}

.section {
  padding-block: 4rem;
}

@media (min-width: 768px) {
  .section { padding-block: 5rem; }
}

@media (min-width: 1024px) {
  .section { padding-block: 6rem; }
}

.section--alt {
  background: var(--color-surface);
}

.section__tag {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
}

.section__title {
  margin-bottom: 1rem;
  max-width: 700px;
}

.section__title--center {
  text-align: center;
  margin-inline: auto;
}

.section__subtitle {
  color: var(--color-text-secondary);
  font-size: 1.0625rem;
  max-width: 600px;
  line-height: 1.7;
}

.section__subtitle--center {
  text-align: center;
  margin-inline: auto;
}

.section__header {
  text-align: center;
  margin-bottom: 3rem;
}

@media (min-width: 768px) {
  .section__header { margin-bottom: 4rem; }
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 2rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9375rem;
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
  white-space: nowrap;
}

.btn:focus-visible {
  outline: 3px solid var(--color-accent-light);
  outline-offset: 2px;
}

.btn--accent {
  background: var(--color-accent);
  color: var(--color-white);
}

.btn--accent:hover {
  background: var(--color-accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.35);
}

.btn--primary {
  background: var(--color-primary);
  color: var(--color-white);
}

.btn--primary:hover {
  background: var(--color-primary-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn--outline {
  border-color: var(--color-white);
  color: var(--color-white);
  background: rgba(255,255,255,0.08);
}

.btn--outline:hover {
  background: rgba(255,255,255,0.18);
  transform: translateY(-2px);
}

.btn--outline-dark {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn--outline-dark:hover {
  background: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
}

.btn--ghost {
  color: var(--color-accent);
  padding: 0.5rem 0;
  border-radius: 0;
}

.btn--ghost:hover {
  color: var(--color-accent-dark);
}

.btn--ghost svg {
  transition: transform var(--transition);
}

.btn--ghost:hover svg {
  transform: translateX(4px);
}

.btn--lg {
  padding: 1rem 2.5rem;
  font-size: 1rem;
}

.btn--sm {
  padding: 0.5rem 1.25rem;
  font-size: 0.875rem;
}

.btn--full {
  width: 100%;
}

/* --- Skip Link --- */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  background: var(--color-primary);
  color: var(--color-white);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-sm);
  z-index: 10000;
  font-weight: 600;
}

.skip-link:focus {
  top: 1rem;
}

/* --- Header / Navigation --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(var(--color-primary-rgb), 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: all var(--transition);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.header.scrolled {
  background: rgba(var(--color-primary-rgb), 0.98);
  box-shadow: 0 2px 20px rgba(0,0,0,0.2);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  transition: height var(--transition);
}

.header.scrolled .nav {
  height: 60px;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  z-index: 10;
}

.nav__logo img {
  height: 44px;
  width: auto;
  border-radius: 4px;
  transition: height var(--transition);
}

.header.scrolled .nav__logo img {
  height: 36px;
}

.nav__logo-text {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--color-white);
  letter-spacing: 0.05em;
}

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

.nav__menu a {
  color: rgba(255,255,255,0.85);
  font-size: 0.9375rem;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  position: relative;
}

.nav__menu a:hover,
.nav__menu a.active {
  color: var(--color-white);
  background: rgba(255,255,255,0.1);
}

.nav__cta {
  font-size: 0.875rem;
  padding: 0.6rem 1.5rem;
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  z-index: 10;
  padding: 0.5rem;
}

.nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: all var(--transition);
}

.nav__toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav__toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav__toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

@media (max-width: 1023px) {
  .nav__toggle {
    display: flex;
  }

  .nav__menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    background: var(--color-primary-dark);
    padding: 2rem;
    gap: 0.5rem;
    transition: right var(--transition);
    box-shadow: -5px 0 30px rgba(0,0,0,0.3);
  }

  .nav__menu.open {
    right: 0;
  }

  .nav__menu a {
    font-size: 1.125rem;
    padding: 0.75rem 1rem;
    width: 100%;
  }

  .nav__cta {
    display: none;
  }

  .nav__menu .nav__cta-mobile {
    display: inline-flex;
    margin-top: 1rem;
    background: var(--color-accent);
    color: var(--color-white);
    padding: 0.8rem 2rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    width: 100%;
    justify-content: center;
  }
}

@media (min-width: 1024px) {
  .nav__cta-mobile {
    display: none;
  }
}

/* Mobile overlay */
.nav__overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
}

.nav__overlay.visible {
  opacity: 1;
  visibility: visible;
}

/* --- Hero Section --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 72px;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 25%, var(--color-primary-light) 50%, var(--color-primary) 75%, var(--color-primary-dark) 100%);
  background-size: 200% 200%;
  z-index: -2;
  animation: gradient-shift 45s ease-in-out infinite;
}

.hero__bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 1px 1px, rgba(255,255,255,0.07) 1px, transparent 0);
  background-size: 40px 40px;
  z-index: -1;
  animation: drift-dots 25s linear infinite;
}

.hero__bg::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 80%;
  height: 200%;
  background: radial-gradient(ellipse, rgba(59,130,246,0.15) 0%, transparent 70%);
  z-index: -1;
  animation: glow-roam 30s ease-in-out infinite;
}

.hero__content {
  position: relative;
  z-index: 1;
  color: var(--color-white);
  padding-block: 3rem;
}

.hero__tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255,255,255,0.1);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 1.5rem;
  border: 1px solid rgba(255,255,255,0.15);
}

.hero__tag svg {
  width: 18px;
  height: 18px;
  min-width: 18px;
  flex-shrink: 0;
}

.hero__title {
  color: var(--color-white);
  max-width: 700px;
  margin-bottom: 1.5rem;
  line-height: 1.15;
}

.hero__title span {
  color: var(--color-accent-light);
}

.hero__subtitle {
  font-size: 1.125rem;
  color: rgba(255,255,255,0.8);
  max-width: 550px;
  margin-bottom: 2rem;
  line-height: 1.7;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 3rem;
}

.hero__stats {
  display: flex;
  gap: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.15);
}

.hero__stat {
  text-align: center;
}

.hero__stat-value {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-accent-light);
}

.hero__stat-label {
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.6);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* Floating shapes for hero decoration */
.hero__shape {
  position: absolute;
  border-radius: 50%;
  opacity: 0.08;
  z-index: 0;
}

.hero__shape--1 {
  width: 300px;
  height: 300px;
  background: var(--color-accent);
  top: 10%;
  right: -5%;
  animation: float 6s ease-in-out infinite;
}

.hero__shape--2 {
  width: 200px;
  height: 200px;
  background: var(--color-white);
  bottom: 15%;
  right: 15%;
  animation: float 8s ease-in-out infinite reverse;
}

.hero__shape--3 {
  width: 150px;
  height: 150px;
  background: var(--color-accent-light);
  top: 60%;
  left: -3%;
  animation: float 7s ease-in-out infinite 1s;
}

@keyframes float {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-20px) scale(1.05); }
}

@keyframes drift-dots {
  0%   { background-position: 0 0; }
  100% { background-position: 40px 40px; }
}

@keyframes gradient-shift {
  0%, 100% { background-position: 0% 50%; }
  25%      { background-position: 50% 0%; }
  50%      { background-position: 100% 50%; }
  75%      { background-position: 50% 100%; }
}

@keyframes glow-roam {
  0%, 100% { transform: translate(0, 0) scale(1); opacity: 1; }
  25%      { transform: translate(-8%, 6%) scale(1.05); opacity: 0.8; }
  50%      { transform: translate(-5%, 12%) scale(1.1); opacity: 1; }
  75%      { transform: translate(3%, 8%) scale(1.02); opacity: 0.85; }
}

/* --- Services Section --- */
.services__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .services__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }
}

@media (min-width: 1024px) {
  .services__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.service-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: 2rem;
  border: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
  transition: all var(--transition);
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

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

.service-card__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, rgba(var(--color-primary-rgb), 0.08), rgba(59,130,246,0.08));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  color: var(--color-primary);
}

.service-card__icon svg {
  width: 28px;
  height: 28px;
}

.service-card__title {
  margin-bottom: 0.75rem;
  font-size: 1.25rem;
}

.service-card__desc {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  margin-bottom: 1.25rem;
  line-height: 1.6;
}

.service-card__list {
  margin-bottom: 1.5rem;
}

.service-card__list li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.5rem;
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
}

.service-card__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
  opacity: 0.7;
}

.service-card__link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-accent);
  font-weight: 600;
  font-size: 0.9375rem;
  transition: all var(--transition);
}

.service-card__link:hover {
  color: var(--color-accent-dark);
  gap: 0.75rem;
}

/* --- About Section --- */
.about__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}

@media (min-width: 768px) {
  .about__grid {
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
  }
}

.about__visual {
  position: relative;
}

.about__logo-wrapper {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  border-radius: var(--radius-lg);
  padding: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 1;
  max-width: 400px;
  margin-inline: auto;
  box-shadow: var(--shadow-xl);
}

.about__logo-wrapper img {
  width: 80%;
  height: auto;
  filter: brightness(0) invert(1);
  opacity: 0.95;
}

.about__quality-icon {
  width: 75%;
  height: auto;
}

.about__badge {
  position: absolute;
  bottom: -1rem;
  right: -1rem;
  background: var(--color-accent);
  color: var(--color-white);
  padding: 1rem 1.5rem;
  border-radius: var(--radius-md);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.875rem;
  box-shadow: var(--shadow-md);
}

.about__content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.about__text {
  color: var(--color-text-secondary);
  font-size: 1rem;
  line-height: 1.8;
}

.about__features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 0.5rem;
}

.about__feature {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.about__feature-icon {
  width: 40px;
  height: 40px;
  min-width: 40px;
  border-radius: var(--radius-sm);
  background: rgba(var(--color-primary-rgb), 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}

.about__feature-icon svg {
  width: 20px;
  height: 20px;
}

.about__feature-text {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
}

/* --- Clients Section --- */
.clients__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

@media (min-width: 768px) {
  .clients__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }
}

@media (min-width: 1024px) {
  .clients__grid {
    grid-template-columns: repeat(6, 1fr);
  }
}

.client-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  text-align: center;
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}

.client-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.client-card__icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 1rem;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(var(--color-primary-rgb), 0.08), rgba(59,130,246,0.06));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}

.client-card__icon svg {
  width: 24px;
  height: 24px;
}

.client-card__title {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--color-text);
}

/* --- Why Choose Us --- */
.why__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .why__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }
}

@media (min-width: 1024px) {
  .why__grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.why-card {
  text-align: center;
  padding: 2rem 1.5rem;
}

.why-card__icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 1.25rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  box-shadow: 0 4px 15px rgba(59,130,246,0.3);
}

.why-card__icon svg {
  width: 28px;
  height: 28px;
}

.why-card__title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.0625rem;
  margin-bottom: 0.5rem;
}

.why-card__text {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  line-height: 1.6;
}

/* --- Testimonials Section --- */
.testimonials__slider {
  overflow: hidden;
  -webkit-mask-image: linear-gradient(to right, transparent, black 4%, black 96%, transparent);
  mask-image: linear-gradient(to right, transparent, black 4%, black 96%, transparent);
}

.testimonials__track {
  display: flex;
  gap: 1.5rem;
  width: max-content;
  animation: testimonials-scroll 150s linear infinite;
}

.testimonials__slider:hover .testimonials__track {
  animation-play-state: paused;
}

@keyframes testimonials-scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

@media (prefers-reduced-motion: reduce) {
  .testimonials__track {
    animation: none;
  }
  .testimonials__slider {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -webkit-mask-image: none;
    mask-image: none;
  }
  .testimonials__slider::-webkit-scrollbar {
    display: none;
  }
}

.testimonial-card {
  min-width: 320px;
  max-width: 400px;
  flex-shrink: 0;
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: 2rem;
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
}

@media (min-width: 768px) {
  .testimonial-card {
    min-width: 380px;
  }
}

.testimonial-card__stars {
  display: flex;
  gap: 0.25rem;
  margin-bottom: 1rem;
  color: #FBBF24;
}

.testimonial-card__stars svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.testimonial-card__text {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  flex-grow: 1;
  margin-bottom: 1.25rem;
  font-style: italic;
}

.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  border-top: 1px solid var(--color-border);
  padding-top: 1rem;
}

.testimonial-card__avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
}

.testimonial-card__name {
  font-weight: 600;
  font-size: 0.9375rem;
}

.testimonial-card__role {
  font-size: 0.8125rem;
  color: var(--color-text-light);
}

/* --- FAQ Section --- */
.faq__grid {
  max-width: 800px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition);
}

.faq-item[open] {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-sm);
}

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  cursor: pointer;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-text);
  list-style: none;
  transition: all var(--transition);
  gap: 1rem;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary:hover {
  color: var(--color-accent);
}

.faq-item summary::after {
  content: '';
  width: 24px;
  height: 24px;
  min-width: 24px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' fill='none' stroke='%23475569' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E") center/contain no-repeat;
  transition: transform var(--transition);
}

.faq-item[open] summary::after {
  transform: rotate(180deg);
}

.faq-item__content {
  padding: 0 1.5rem 1.25rem;
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  line-height: 1.7;
}

/* --- Blog Preview Section --- */
.blog__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .blog__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }
}

@media (min-width: 1024px) {
  .blog__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.blog-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.blog-card__image {
  width: 100%;
  height: 220px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.3);
  position: relative;
  overflow: hidden;
}

.blog-card__image svg.blog-icon {
  width: 48px;
  height: 48px;
}

.blog-card__image .blog-illustration {
  width: 100%;
  height: 100%;
  position: absolute;
  inset: 0;
}

.blog-card__image::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 1px 1px, rgba(255,255,255,0.04) 1px, transparent 0);
  background-size: 24px 24px;
  z-index: 1;
  pointer-events: none;
}

.blog-card__category {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: var(--color-accent);
  color: var(--color-white);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  z-index: 1;
}

.blog-card__body {
  padding: 1.5rem;
}

.blog-card__date {
  font-size: 0.8125rem;
  color: var(--color-text-light);
  margin-bottom: 0.5rem;
}

.blog-card__title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.125rem;
  margin-bottom: 0.75rem;
  line-height: 1.3;
  transition: color var(--transition);
}

.blog-card:hover .blog-card__title {
  color: var(--color-accent);
}

.blog-card__excerpt {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  line-height: 1.6;
  margin-bottom: 1rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-card__link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-accent);
  font-weight: 600;
  font-size: 0.875rem;
  transition: all var(--transition);
}

.blog-card__link:hover {
  gap: 0.75rem;
}

/* --- Contact Section --- */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}

@media (min-width: 768px) {
  .contact__grid {
    grid-template-columns: 1.2fr 0.8fr;
    gap: 3rem;
  }
}

/* Form Styles */
.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  color: var(--color-text);
  background: var(--color-white);
  transition: all var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(59,130,246,0.1);
}

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

.form-group .error-message {
  font-size: 0.8125rem;
  color: var(--color-error);
  margin-top: 0.35rem;
  display: none;
}

.form-group .error-message.visible {
  display: block;
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' fill='none' stroke='%23475569' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='m6 8 4 4 4-4'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2.5rem;
}

/* Contact Info */
.contact__info {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact__info-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.contact__info-icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  border-radius: var(--radius-sm);
  background: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.contact__info-icon svg {
  width: 22px;
  height: 22px;
}

.contact__info-label {
  font-weight: 600;
  font-size: 0.9375rem;
  margin-bottom: 0.25rem;
}

.contact__info-value {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
}

.contact__info-value a {
  color: var(--color-accent);
  font-weight: 500;
}

.contact__info-value a:hover {
  text-decoration: underline;
}

.contact__whatsapp-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  background: var(--color-whatsapp);
  color: var(--color-white);
  padding: 1rem 2rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 1rem;
  transition: all var(--transition);
  margin-top: 0.5rem;
}

.contact__whatsapp-btn:hover {
  background: #1EBE5B;
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(37,211,102,0.3);
}

.contact__whatsapp-btn svg {
  width: 22px;
  height: 22px;
}

/* --- Footer --- */
.footer {
  background: var(--color-primary-dark);
  color: rgba(255,255,255,0.8);
  padding-top: 4rem;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  padding-bottom: 3rem;
}

@media (min-width: 768px) {
  .footer__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer__grid {
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  }
}

.footer__brand {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.footer__logo img {
  height: 40px;
  border-radius: 4px;
}

.footer__logo-text {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--color-white);
}

.footer__desc {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: rgba(255,255,255,0.6);
}

.footer__social {
  display: flex;
  gap: 0.75rem;
}

.footer__social a {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.7);
  transition: all var(--transition);
}

.footer__social a:hover {
  background: var(--color-accent);
  color: var(--color-white);
  transform: translateY(-2px);
}

.footer__social a svg {
  width: 18px;
  height: 18px;
}

.footer__column h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-white);
  margin-bottom: 1.25rem;
}

.footer__column ul {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer__column a {
  font-size: 0.9375rem;
  color: rgba(255,255,255,0.6);
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.footer__column a:hover {
  color: var(--color-accent-light);
  padding-left: 4px;
}

.footer__contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.footer__contact-item svg {
  width: 18px;
  height: 18px;
  min-width: 18px;
  margin-top: 2px;
  color: var(--color-accent-light);
}

.footer__contact-item span {
  font-size: 0.9375rem;
  color: rgba(255,255,255,0.7);
}

.footer__contact-item a {
  color: rgba(255,255,255,0.7);
}

.footer__contact-item a:hover {
  color: var(--color-accent-light);
  padding-left: 0;
}

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-block: 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  text-align: center;
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.4);
}

@media (min-width: 768px) {
  .footer__bottom {
    flex-direction: row;
    justify-content: space-between;
  }
}

/* --- WhatsApp Float Button --- */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 60px;
  height: 60px;
  background: var(--color-whatsapp);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  box-shadow: 0 4px 15px rgba(37,211,102,0.4);
  z-index: 9999;
  transition: all var(--transition);
  cursor: pointer;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(37,211,102,0.5);
}

.whatsapp-float svg {
  width: 30px;
  height: 30px;
}

.whatsapp-float__pulse {
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: var(--color-whatsapp);
  animation: wa-pulse 2s infinite;
  z-index: -1;
}

@keyframes wa-pulse {
  0% { transform: scale(1); opacity: 0.5; }
  100% { transform: scale(1.6); opacity: 0; }
}

.whatsapp-tooltip {
  position: fixed;
  bottom: 94px;
  right: 24px;
  background: var(--color-white);
  color: var(--color-text);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  font-size: 0.875rem;
  font-weight: 500;
  z-index: 9998;
  opacity: 0;
  transform: translateY(10px);
  transition: all var(--transition);
  pointer-events: none;
  white-space: nowrap;
}

.whatsapp-tooltip.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.whatsapp-tooltip::after {
  content: '';
  position: absolute;
  bottom: -6px;
  right: 24px;
  width: 12px;
  height: 12px;
  background: var(--color-white);
  transform: rotate(45deg);
  box-shadow: 3px 3px 5px rgba(0,0,0,0.04);
}

.whatsapp-tooltip__close {
  position: absolute;
  top: -8px;
  right: -8px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-text-light);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  cursor: pointer;
  transition: background var(--transition);
}

.whatsapp-tooltip__close:hover {
  background: var(--color-text);
}

/* --- Form Success Toast --- */
.toast {
  position: fixed;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-success);
  color: var(--color-white);
  padding: 1rem 2rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  z-index: 10000;
  transition: top var(--transition);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.toast.visible {
  top: 100px;
}

.toast svg {
  width: 20px;
  height: 20px;
}

/* --- Scroll Reveal --- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

.reveal--left {
  transform: translateX(-30px);
}

.reveal--left.active {
  transform: translateX(0);
}

.reveal--right {
  transform: translateX(30px);
}

.reveal--right.active {
  transform: translateX(0);
}

.reveal--scale {
  transform: scale(0.95);
}

.reveal--scale.active {
  transform: scale(1);
}

/* Stagger delays */
.reveal--d1 { transition-delay: 0.1s; }
.reveal--d2 { transition-delay: 0.2s; }
.reveal--d3 { transition-delay: 0.3s; }
.reveal--d4 { transition-delay: 0.4s; }
.reveal--d5 { transition-delay: 0.5s; }
.reveal--d6 { transition-delay: 0.6s; }

/* --- Blog Listing Page --- */
.blog-hero {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  padding: 8rem 0 4rem;
  color: var(--color-white);
  text-align: center;
}

.blog-hero h1 {
  color: var(--color-white);
  margin-bottom: 1rem;
}

.blog-hero p {
  color: rgba(255,255,255,0.75);
  font-size: 1.125rem;
  max-width: 600px;
  margin-inline: auto;
}

.blog-listing__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 768px) {
  .blog-listing__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .blog-listing__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* --- Blog Article Page --- */
.article-hero {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  padding: 7rem 0 3rem;
  color: var(--color-white);
}

.article-hero__breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: rgba(255,255,255,0.6);
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.article-hero__breadcrumb a {
  color: rgba(255,255,255,0.6);
  transition: color var(--transition);
}

.article-hero__breadcrumb a:hover {
  color: var(--color-accent-light);
}

.article-hero__breadcrumb span {
  color: rgba(255,255,255,0.3);
}

.article-hero__category {
  display: inline-block;
  background: var(--color-accent);
  color: var(--color-white);
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

.article-hero h1 {
  color: var(--color-white);
  max-width: 800px;
  font-size: 2rem;
}

@media (min-width: 768px) {
  .article-hero h1 { font-size: 2.5rem; }
}

.article-hero__meta {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-top: 1.5rem;
  font-size: 0.875rem;
  color: rgba(255,255,255,0.6);
}

.article-content {
  max-width: 800px;
  margin-inline: auto;
  padding-block: 3rem;
}

.article-content h2 {
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--color-surface);
}

.article-content h3 {
  margin-top: 2rem;
  margin-bottom: 0.75rem;
}

.article-content p {
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: 1.25rem;
}

.article-content ul,
.article-content ol {
  margin-bottom: 1.25rem;
  padding-left: 1.5rem;
}

.article-content ul {
  list-style: disc;
}

.article-content ol {
  list-style: decimal;
}

.article-content li {
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 0.5rem;
}

.article-content strong {
  color: var(--color-text);
}

.article-toc {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 1.5rem 2rem;
  margin-bottom: 2rem;
}

.article-toc__title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 0.75rem;
}

.article-toc ol {
  counter-reset: toc;
  list-style: none;
  padding-left: 0;
}

.article-toc li {
  counter-increment: toc;
  margin-bottom: 0.4rem;
}

.article-toc li::before {
  content: counter(toc) ". ";
  color: var(--color-accent);
  font-weight: 600;
}

.article-toc a {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  transition: color var(--transition);
}

.article-toc a:hover {
  color: var(--color-accent);
}

.article-cta {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  text-align: center;
  color: var(--color-white);
  margin-top: 3rem;
}

.article-cta h3 {
  color: var(--color-white);
  margin-bottom: 0.75rem;
}

.article-cta p {
  color: rgba(255,255,255,0.75);
  margin-bottom: 1.5rem;
}

.related-articles {
  margin-top: 4rem;
  padding-top: 3rem;
  border-top: 1px solid var(--color-border);
}

.related-articles h3 {
  text-align: center;
  margin-bottom: 2rem;
}

/* --- Back to Top Button --- */
.back-to-top {
  position: fixed;
  bottom: 24px;
  left: 24px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
  z-index: 9997;
  box-shadow: var(--shadow-md);
  border: none;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--color-accent);
  transform: translateY(-3px);
}

.back-to-top svg {
  width: 20px;
  height: 20px;
}

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

*:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

/* --- Google Reviews Badge --- */
.google-reviews-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.75rem;
  padding: 0.4rem 0.9rem;
  background: #fff;
  border: 1px solid #e0e0e0;
  border-radius: 50px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
}

.section__header:has(.google-reviews-badge) {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.google-reviews-badge__icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.google-reviews-badge__info {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.google-reviews-badge__label {
  font-size: 0.75rem;
  font-weight: 600;
  color: #5f6368;
  white-space: nowrap;
}

.google-reviews-badge__stars {
  display: flex;
  align-items: center;
  gap: 1px;
}

.google-reviews-badge__rating {
  font-size: 0.8rem;
  font-weight: 700;
  color: #202124;
  margin-right: 3px;
}

.google-reviews-badge__stars svg {
  width: 14px;
  height: 14px;
  fill: #fbbc05;
}

/* --- Print Styles --- */
@media print {
  .header, .whatsapp-float, .whatsapp-tooltip, .back-to-top, .nav__toggle { display: none; }
  .hero { min-height: auto; padding: 2rem 0; }
  body { color: #000; background: #fff; }
}