/* ============================================
   TuWEB.cl - Modern Dark Theme
   Inspired by Vemyra.com
   ============================================ */

/* ---------- CSS Variables ---------- */
:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #0f1019;
  --bg-card: rgba(255, 255, 255, 0.03);
  --bg-card-hover: rgba(255, 255, 255, 0.06);
  --glass: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-hover: rgba(255, 255, 255, 0.08);

  --accent: #00C2FF;
  --accent-hover: #00a8e0;
  --accent-glow: rgba(0, 194, 255, 0.15);
  --accent-glow-strong: rgba(0, 194, 255, 0.3);

  --whatsapp: #25D366;
  --whatsapp-hover: #1ebe57;

  --pink: #e75e8d;
  --pink-hover: #d44d7c;

  --text: #ffffff;
  --text-secondary: #c1c8d4;
  --text-muted: #6b7280;

  --border: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(255, 255, 255, 0.15);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 20px rgba(0, 194, 255, 0.15);

  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;

  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  --container-max: 1200px;
  --header-height: 72px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-primary);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

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

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

ul, ol {
  list-style: none;
}

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

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

::selection {
  background: var(--accent);
  color: var(--bg-primary);
}

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* ---------- Container ---------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  color: var(--text);
}

h1 {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 600;
  letter-spacing: -0.01em;
}

h3 {
  font-size: clamp(1.2rem, 2.5vw, 1.5rem);
}

p {
  color: var(--text-secondary);
  line-height: 1.7;
}

.text-accent {
  color: var(--accent);
}

.text-muted {
  color: var(--text-muted);
}

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

/* ---------- Section ---------- */
.section {
  padding: 100px 0;
}

.section-sm {
  padding: 60px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header .label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
  padding: 6px 16px;
  background: var(--accent-glow);
  border: 1px solid rgba(0, 194, 255, 0.2);
  border-radius: var(--radius-full);
}

.section-header h2 {
  margin-bottom: 16px;
}

.section-header p {
  max-width: 600px;
  margin: 0 auto;
  font-size: 1.05rem;
}

/* ---------- Grid ---------- */
.grid {
  display: grid;
  gap: 24px;
}

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

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

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

/* ---------- Glass Card ---------- */
.glass {
  background: var(--glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-normal);
}

.glass:hover {
  background: var(--glass-hover);
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.glass-static {
  background: var(--glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
}

/* ---------- Card ---------- */
.card {
  padding: 32px;
  position: relative;
  overflow: hidden;
}

.card-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-glow);
  border: 1px solid rgba(0, 194, 255, 0.2);
  border-radius: var(--radius-md);
  margin-bottom: 20px;
  font-size: 1.5rem;
  color: var(--accent);
}

.card h3 {
  margin-bottom: 12px;
  font-size: 1.15rem;
}

.card p {
  font-size: 0.95rem;
  color: var(--text-muted);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: all var(--transition-normal);
  cursor: pointer;
  white-space: nowrap;
}

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

.btn-primary:hover {
  background: var(--accent-hover);
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

.btn-whatsapp {
  background: var(--whatsapp);
  color: #fff;
}

.btn-whatsapp:hover {
  background: var(--whatsapp-hover);
  box-shadow: 0 0 20px rgba(37, 211, 102, 0.3);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-glow);
}

.btn-lg {
  padding: 18px 36px;
  font-size: 1.05rem;
}

.btn-sm {
  padding: 10px 20px;
  font-size: 0.85rem;
}

.btn-icon {
  width: 48px;
  height: 48px;
  padding: 0;
  border-radius: var(--radius-md);
}

/* ---------- Header ---------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  z-index: 1000;
  transition: all var(--transition-normal);
}

.header.scrolled {
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.logo .dot {
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  display: inline-block;
}

.nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav a {
  padding: 8px 16px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

.nav a:hover,
.nav a.active {
  color: var(--text);
  background: var(--glass);
}

.nav-cta {
  margin-left: 8px;
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  cursor: pointer;
  z-index: 1001;
}

.menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all var(--transition-normal);
}

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

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

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

/* Mobile Nav */
.mobile-nav {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(10, 10, 15, 0.98);
  backdrop-filter: blur(20px);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.mobile-nav.active {
  opacity: 1;
  visibility: visible;
}

.mobile-nav a {
  font-size: 1.5rem;
  font-weight: 500;
  padding: 16px 32px;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.mobile-nav a:hover {
  color: var(--accent);
}

/* ---------- Hero ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-height);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
  opacity: 0.5;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(231, 94, 141, 0.1) 0%, transparent 70%);
  pointer-events: none;
  opacity: 0.5;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
}

.hero .label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
  padding: 6px 16px;
  background: var(--accent-glow);
  border: 1px solid rgba(0, 194, 255, 0.2);
  border-radius: var(--radius-full);
}

.hero h1 {
  margin-bottom: 24px;
}

.hero h1 .highlight {
  background: linear-gradient(135deg, var(--accent) 0%, #00e5ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.15rem;
  margin-bottom: 40px;
  max-width: 520px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: 48px;
  margin-top: 60px;
  padding-top: 40px;
  border-top: 1px solid var(--border);
}

.hero-stat .number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text);
}

.hero-stat .label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 4px;
  background: none;
  border: none;
  padding: 0;
  letter-spacing: 0;
}

/* ---------- Features Grid ---------- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.feature-card {
  padding: 32px;
}

.feature-card .icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-glow);
  border-radius: var(--radius-md);
  margin-bottom: 20px;
  color: var(--accent);
  font-size: 1.3rem;
}

.feature-card h3 {
  font-size: 1.1rem;
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ---------- Steps ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  position: relative;
}

.steps::before {
  content: '';
  position: absolute;
  top: 36px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--border), var(--accent));
  opacity: 0.3;
}

.step {
  text-align: center;
  position: relative;
}

.step-number {
  width: 72px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-primary);
  border: 2px solid var(--accent);
  border-radius: 50%;
  margin: 0 auto 24px;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
  position: relative;
  z-index: 1;
}

.step h3 {
  font-size: 1.05rem;
  margin-bottom: 8px;
}

.step p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ---------- Pricing ---------- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: start;
}

.pricing-card {
  padding: 40px 32px;
  text-align: center;
  position: relative;
}

.pricing-card.featured {
  border-color: var(--accent);
  background: linear-gradient(180deg, rgba(0, 194, 255, 0.08) 0%, var(--glass) 100%);
  overflow: visible;
  padding-top: 56px;
}

.pricing-card.featured::before {
  content: 'Más Popular';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: var(--bg-primary);
  padding: 6px 20px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-full);
  white-space: nowrap;
  z-index: 1;
}

.pricing-card .plan-name {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.pricing-card .plan-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.pricing-card .price {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.pricing-card .price .currency {
  font-size: 1.5rem;
  vertical-align: top;
  line-height: 1.8;
}

.pricing-card .price .period {
  font-size: 1rem;
  font-weight: 400;
  color: var(--text-muted);
}

.pricing-card .price-note {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 32px;
}

.pricing-card .features {
  text-align: left;
  margin-bottom: 32px;
}

.pricing-card .features li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.pricing-card .features li:last-child {
  border-bottom: none;
}

.pricing-card .features li .check {
  color: var(--accent);
  flex-shrink: 0;
}

.pricing-card .features li .cross {
  color: var(--text-muted);
  opacity: 0.4;
  flex-shrink: 0;
}

.pricing-card .btn {
  width: 100%;
}

/* ---------- Testimonials ---------- */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.testimonial-card {
  padding: 32px;
}

.testimonial-card .stars {
  color: #fbbf24;
  margin-bottom: 16px;
  font-size: 0.9rem;
  letter-spacing: 2px;
}

.testimonial-card .quote {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
  line-height: 1.7;
  font-style: italic;
}

.testimonial-card .author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-card .avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--accent-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--accent);
  font-size: 1rem;
}

.testimonial-card .author-info .name {
  font-weight: 600;
  font-size: 0.9rem;
}

.testimonial-card .author-info .role {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ---------- FAQ ---------- */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--border);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
  font-size: 1rem;
  font-weight: 500;
  color: var(--text);
  text-align: left;
  cursor: pointer;
  transition: color var(--transition-fast);
}

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

.faq-question .icon {
  font-size: 1.5rem;
  color: var(--accent);
  transition: transform var(--transition-normal);
  flex-shrink: 0;
  margin-left: 16px;
}

.faq-item.active .faq-question .icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal), padding var(--transition-normal);
}

.faq-item.active .faq-answer {
  max-height: 300px;
}

.faq-answer p {
  padding-bottom: 24px;
  font-size: 0.95rem;
  color: var(--text-muted);
}

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 24px;
}

.contact-item .icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-glow);
  border-radius: var(--radius-md);
  color: var(--accent);
  font-size: 1.2rem;
  flex-shrink: 0;
}

.contact-item h4 {
  font-size: 0.95rem;
  margin-bottom: 4px;
}

.contact-item p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.contact-item a {
  color: var(--accent);
}

.contact-form {
  padding: 40px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--text-secondary);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text);
  font-size: 0.95rem;
  transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

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

/* ---------- Gallery ---------- */
.gallery-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-bottom: 40px;
}

.filter-btn {
  padding: 8px 20px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
  color: var(--bg-primary);
  background: var(--accent);
  border-color: var(--accent);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}

.gallery-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--glass);
  border: 1px solid var(--border);
  transition: all var(--transition-normal);
}

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

.gallery-card .image-wrapper {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/10;
}

.gallery-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.gallery-card:hover img {
  transform: scale(1.05);
}

.gallery-card .overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(0, 0, 0, 0.8) 100%);
  opacity: 0;
  transition: opacity var(--transition-normal);
  display: flex;
  align-items: flex-end;
  padding: 16px;
}

.gallery-card:hover .overlay {
  opacity: 1;
}

.gallery-card .card-info {
  padding: 16px;
}

.gallery-card .code {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.gallery-card .name {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.gallery-card .btn-sm {
  width: 100%;
  margin-top: 12px;
}

/* ---------- Modal ---------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.95);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  max-width: 90vw;
  max-height: 90vh;
  position: relative;
}

.modal-content img {
  max-width: 100%;
  max-height: 85vh;
  border-radius: var(--radius-md);
}

.modal-close {
  position: absolute;
  top: -40px;
  right: 0;
  color: var(--text);
  font-size: 2rem;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.modal-close:hover {
  color: var(--accent);
}

/* ---------- Pagination ---------- */
.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 48px;
}

.pagination button {
  min-width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 12px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.pagination button:hover {
  color: var(--text);
  border-color: var(--border-hover);
}

.pagination button.active {
  color: var(--bg-primary);
  background: var(--accent);
  border-color: var(--accent);
}

.pagination button:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

/* ---------- Footer ---------- */
.footer {
  padding: 60px 0 30px;
  border-top: 1px solid var(--border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-top: 16px;
  max-width: 300px;
}

.footer-col h4 {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 20px;
  color: var(--text);
}

.footer-col ul li {
  margin-bottom: 12px;
}

.footer-col ul li a {
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

.footer-col ul li a:hover {
  color: var(--accent);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 30px;
  border-top: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-social {
  display: flex;
  gap: 12px;
}

.footer-social a {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-muted);
  transition: all var(--transition-fast);
}

.footer-social a:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-glow);
}

/* ---------- Animations ---------- */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.fade-in-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

.scale-in {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.scale-in.visible {
  opacity: 1;
  transform: scale(1);
}

/* Stagger children */
.stagger-children > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.stagger-children.visible > *:nth-child(1) { transition-delay: 0.1s; }
.stagger-children.visible > *:nth-child(2) { transition-delay: 0.2s; }
.stagger-children.visible > *:nth-child(3) { transition-delay: 0.3s; }
.stagger-children.visible > *:nth-child(4) { transition-delay: 0.4s; }
.stagger-children.visible > *:nth-child(5) { transition-delay: 0.5s; }
.stagger-children.visible > *:nth-child(6) { transition-delay: 0.6s; }

.stagger-children.visible > * {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Utilities ---------- */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-8 { gap: 8px; }
.gap-16 { gap: 16px; }
.gap-24 { gap: 24px; }
.gap-32 { gap: 32px; }
.gap-48 { gap: 48px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mt-48 { margin-top: 48px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mb-32 { margin-bottom: 32px; }
.mb-48 { margin-bottom: 48px; }
.w-full { width: 100%; }
.hidden { display: none; }

/* ---------- WhatsApp Float ---------- */
.wa-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 60px;
  height: 60px;
  background: var(--whatsapp);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.8rem;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  z-index: 900;
  transition: all var(--transition-normal);
  animation: wa-pulse 2s infinite;
}

.wa-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(37, 211, 102, 0.5);
}

@keyframes wa-pulse {
  0%, 100% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4); }
  50% { box-shadow: 0 4px 30px rgba(37, 211, 102, 0.6); }
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .pricing-card:last-child {
    grid-column: span 2;
    max-width: 400px;
    margin: 0 auto;
    width: 100%;
  }

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

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

  .steps::before {
    display: none;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 64px;
  }

  .section {
    padding: 60px 0;
  }

  .section-sm {
    padding: 40px 0;
  }

  .section-header {
    margin-bottom: 40px;
  }

  .nav {
    display: none;
  }

  .nav-cta {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .mobile-nav {
    display: flex;
  }

  .hero {
    min-height: auto;
    padding: 120px 0 60px;
  }

  .hero::before,
  .hero::after {
    display: none;
  }

  .hero-stats {
    gap: 24px;
    flex-wrap: wrap;
  }

  .hero-stat .number {
    font-size: 1.5rem;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .hero-buttons .btn {
    width: 100%;
  }

  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .pricing-card:last-child {
    grid-column: auto;
    max-width: none;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  .steps {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .testimonials-grid {
    grid-template-columns: 1fr;
  }

  .gallery-grid {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  }

  .gallery-filters {
    gap: 6px;
  }

  .filter-btn {
    padding: 6px 14px;
    font-size: 0.8rem;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  .card {
    padding: 24px;
  }

  .pricing-card {
    padding: 32px 24px;
  }

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .gallery-card .card-info {
    padding: 12px;
  }

  .gallery-card .code {
    font-size: 0.7rem;
  }

  .gallery-card .name {
    font-size: 0.8rem;
  }
}