/* ========================================
   GenApp Tech — styles.css
   Design system: Manual de Marca GenApp Tech
   ======================================== */

/* ---- Montserrat (fuente oficial de marca) ---- */
@font-face {
  font-family: 'Montserrat';
  src: url('assets/fonts/Montserrat-Regular.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Montserrat';
  src: url('assets/fonts/Montserrat-Bold.ttf') format('truetype');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

/* ---- CSS Variables — Brand: Manual de Marca GenApp Tech ---- */
:root {
  /* Brand palette */
  --blue:       #2E2B57;
  --blue-light: #3E3B70;
  --blue-glow:  rgba(46, 43, 87, 0.55);
  --red:        #E43D2C;
  --red-light:  #f04f3d;
  --red-glow:   rgba(228, 61, 44, 0.4);
  --orange:     #F9AC19;
  --sky:        #24A3DD;
  --green-brand: #4FA535;

  --bg-base:    #080c14;
  --bg-surface: #0d1420;
  --bg-card:    #101828;
  --bg-card-hover: #141f32;

  --border:     rgba(255,255,255,0.07);
  --border-accent: rgba(46,43,87,0.5);

  --text-primary:   #f0f4ff;
  --text-secondary: #8fa3c8;
  --text-muted:     #4a5c7a;

  --radius-sm:  8px;
  --radius-md:  12px;
  --radius-lg:  18px;
  --radius-xl:  24px;

  /* Sombras navy-tinted (Design System GenAppTech) */
  --shadow-card:      0 8px 20px -4px rgba(46,43,87,0.18), 0 3px 6px -2px rgba(46,43,87,0.08);
  --shadow-glow-blue: 0 0 40px rgba(46,43,87,0.35);
  --shadow-glow-red:  0 0 40px rgba(228,61,44,0.22);
  --shadow-sm:        0 2px 6px rgba(46,43,87,0.10);
  --shadow-lg:        0 20px 40px -8px rgba(46,43,87,0.25), 0 6px 12px -4px rgba(46,43,87,0.10);

  /* Tipografía — Montserrat (fuente oficial de marca) */
  --font-sans:  'Montserrat', ui-sans-serif, system-ui, sans-serif;
  --font-head:  'Montserrat', ui-sans-serif, system-ui, sans-serif;

  --nav-h: 70px;

  /* Motion — Design System GenAppTech */
  --ease:      cubic-bezier(0.2, 0.7, 0.25, 1);
  --ease-out:  cubic-bezier(0.16, 1, 0.3, 1);
  --transition: 0.22s cubic-bezier(0.2, 0.7, 0.25, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

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

ul { list-style: none; }

/* ---- Container ---- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 50px;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  white-space: nowrap;
  text-decoration: none;
}

.btn-lg {
  padding: 15px 32px;
  font-size: 1rem;
}

.btn-full { width: 100%; justify-content: center; }

.btn-primary {
  background: linear-gradient(135deg, var(--red), var(--red-light));
  color: #fff;
  box-shadow: 0 4px 20px var(--red-glow);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--red-glow);
  background: linear-gradient(135deg, var(--red-light), var(--red));
}
.btn-primary:active { transform: translateY(0); }

.btn-ghost {
  background: rgba(255,255,255,0.05);
  color: var(--text-primary);
  border: 1px solid var(--border);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.2);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1.5px solid var(--border);
}
.btn-outline:hover {
  border-color: var(--blue-light);
  background: rgba(26,43,107,0.15);
  transform: translateY(-2px);
}

/* ---- Section common ---- */
.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--red);
  background: rgba(204,0,0,0.1);
  border: 1px solid rgba(204,0,0,0.2);
  padding: 4px 14px;
  border-radius: 50px;
  margin-bottom: 16px;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-title {
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto;
}

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

/* ---- Scroll reveal ---- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ========================================
   NAVBAR
   ======================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  transition: background var(--transition), box-shadow var(--transition);
}

.navbar.scrolled {
  background: rgba(8, 12, 20, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--border);
}

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

.nav-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}

/* Logo imagen real (fondo transparente) */
.logo-img {
  display: block;
  object-fit: contain;
  flex-shrink: 0;
}

.logo-img--nav {
  height: 48px;
  width: auto;
  /* Ajuste fino para fondos oscuros: el logo tiene fondo transparente */
  filter: drop-shadow(0 0 8px rgba(249,172,25,0.15));
  transition: filter var(--transition), transform var(--transition);
}

.nav-logo:hover .logo-img--nav {
  filter: drop-shadow(0 0 14px rgba(249,172,25,0.3));
  transform: scale(1.04);
}

.logo-img--footer {
  height: 52px;
  width: auto;
  opacity: 0.9;
  filter: drop-shadow(0 0 6px rgba(249,172,25,0.1));
  transition: opacity var(--transition);
}

.footer-logo:hover .logo-img--footer {
  opacity: 1;
}

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

.nav-link {
  padding: 8px 14px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: 8px;
  transition: color var(--transition), background var(--transition);
}

.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
  background: rgba(255,255,255,0.06);
}

.nav-link.nav-cta {
  background: var(--red);
  color: #fff;
  padding: 8px 20px;
  border-radius: 50px;
}
.nav-link.nav-cta:hover {
  background: var(--red-light);
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition);
}

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

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

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(26,43,107,0.15) 1px, transparent 1px),
    linear-gradient(90deg, rgba(26,43,107,0.15) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, black 30%, transparent 100%);
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.35;
}
.hero-orb--1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--blue) 0%, transparent 70%);
  top: -200px;
  right: -100px;
}
.hero-orb--2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, var(--red) 0%, transparent 70%);
  bottom: -100px;
  left: -100px;
  opacity: 0.2;
}

.hero-particles {
  position: absolute;
  inset: 0;
}

.hero-container {
  position: relative;
  z-index: 1;
  padding-top: 80px;
  padding-bottom: 120px;
  max-width: 760px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  padding: 6px 16px;
  border-radius: 50px;
  margin-bottom: 28px;
  animation: fadeInDown 0.8s ease both;
}

.badge-dot {
  width: 6px;
  height: 6px;
  background: #22c55e;
  border-radius: 50%;
  animation: pulse-dot 2s ease infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(34,197,94,0.4); }
  50% { opacity: 0.8; box-shadow: 0 0 0 6px rgba(34,197,94,0); }
}

.hero-title {
  font-family: var(--font-head);
  font-size: clamp(2.8rem, 7vw, 5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
  animation: fadeInUp 0.9s ease 0.1s both;
}

.hero-title-accent {
  background: linear-gradient(135deg, #ff4444, var(--red));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: var(--text-secondary);
  max-width: 580px;
  margin-bottom: 40px;
  line-height: 1.7;
  animation: fadeInUp 0.9s ease 0.2s both;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 64px;
  animation: fadeInUp 0.9s ease 0.3s both;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
  animation: fadeInUp 0.9s ease 0.4s both;
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-family: var(--font-head);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
}

.stat-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

.hero-scroll-indicator {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  animation: bounce 2s ease infinite;
}

.scroll-mouse {
  width: 24px;
  height: 38px;
  border: 2px solid rgba(255,255,255,0.2);
  border-radius: 12px;
  display: flex;
  justify-content: center;
  padding-top: 6px;
}

.scroll-wheel {
  width: 3px;
  height: 8px;
  background: rgba(255,255,255,0.4);
  border-radius: 2px;
  animation: scroll-wheel 2s ease infinite;
}

@keyframes scroll-wheel {
  0% { transform: translateY(0); opacity: 1; }
  100% { transform: translateY(10px); opacity: 0; }
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ========================================
   PROBLEMA
   ======================================== */
.problema {
  padding: 80px 0;
  background: var(--bg-surface);
}

.problema-card {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 40px;
  align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--red);
  border-radius: var(--radius-lg);
  padding: 48px;
  position: relative;
  overflow: hidden;
}

.problema-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at top left, rgba(204,0,0,0.06), transparent 60%);
  pointer-events: none;
}

.problema-icon {
  flex-shrink: 0;
  width: 80px;
  height: 80px;
  border-radius: var(--radius-md);
  background: rgba(204,0,0,0.1);
  border: 1px solid rgba(204,0,0,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
}

.problema-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 12px;
}

.problema-headline {
  font-family: var(--font-head);
  font-size: clamp(1.3rem, 2.5vw, 1.7rem);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 14px;
  color: var(--text-primary);
}

.problema-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 560px;
}

.problema-metrics {
  display: flex;
  flex-direction: column;
  gap: 24px;
  flex-shrink: 0;
  padding-left: 40px;
  border-left: 1px solid var(--border);
}

.metric {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.metric-value {
  font-family: var(--font-head);
  font-size: 2rem;
  font-weight: 800;
  color: var(--red);
  line-height: 1;
}

.metric-desc {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 6px;
  max-width: 100px;
  text-align: center;
}

/* ========================================
   FEATURES
   ======================================== */
.features {
  padding: 100px 0;
  background: var(--bg-base);
}

.features-carousel-wrap {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 48px;
}

.features-track-outer {
  overflow: hidden;
  flex: 1;
}

.features-track {
  display: flex;
  flex-wrap: nowrap;
  gap: 20px;
  transition: transform 0.45s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: transform;
}

.features-track .feature-card {
  flex-shrink: 0;
  min-width: 0;
}

.feat-nav {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: background var(--transition), border-color var(--transition), color var(--transition), opacity var(--transition);
}

.feat-nav:hover:not(:disabled) {
  background: var(--blue);
  border-color: var(--blue);
  color: #fff;
}

.feat-nav:disabled {
  opacity: 0.3;
  cursor: default;
}

.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 28px;
}

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

.carousel-dot.active {
  background: var(--blue-light);
  transform: scale(1.4);
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--blue), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}

.feature-card:hover {
  transform: translateY(-6px);
  border-color: rgba(26,43,107,0.4);
  box-shadow: var(--shadow-glow-blue), var(--shadow-card);
}

.feature-card:hover::before { opacity: 1; }

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  flex-shrink: 0;
}

.feature-icon--blue {
  background: rgba(36,163,221,0.12);
  border: 1px solid rgba(36,163,221,0.3);
  color: #24A3DD;
}

.feature-icon--red {
  background: rgba(204,0,0,0.15);
  border: 1px solid rgba(204,0,0,0.3);
  color: #ff5555;
}

.feature-title {
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.feature-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 16px;
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.feature-list li {
  font-size: 0.85rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.feature-list li::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--blue-light);
  border-radius: 50%;
  flex-shrink: 0;
}

.feature-badge {
  display: inline-flex;
  align-items: center;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--red);
  background: rgba(204,0,0,0.08);
  border: 1px solid rgba(204,0,0,0.2);
  padding: 3px 10px;
  border-radius: 50px;
  margin-top: auto;
}

/* ========================================
   PROJECTS
   ======================================== */
.projects {
  padding: 100px 0;
  background: var(--bg-surface);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.project-card:hover {
  transform: translateY(-6px);
  border-color: rgba(26,43,107,0.5);
  box-shadow: var(--shadow-glow-blue);
}

.project-logo-area {
  margin-bottom: 8px;
}

.project-logo-placeholder {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-logo--green  { background: rgba(34,197,94,0.12);  border: 1px solid rgba(34,197,94,0.25);  color: #22c55e; }
.project-logo--teal   { background: rgba(20,184,166,0.12); border: 1px solid rgba(20,184,166,0.25); color: #14b8a6; }
.project-logo--blue   { background: rgba(36,163,221,0.12); border: 1px solid rgba(36,163,221,0.25); color: #24A3DD; }
.project-logo--orange { background: rgba(249,115,22,0.12); border: 1px solid rgba(249,115,22,0.25); color: #f97316; }
.project-logo--purple { background: rgba(139,92,246,0.12); border: 1px solid rgba(139,92,246,0.25); color: #8b5cf6; }
.project-logo--red    { background: rgba(204,0,0,0.12);    border: 1px solid rgba(204,0,0,0.25);    color: var(--red); }

.project-name {
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.project-sector {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--red);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.project-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
  flex: 1;
}

.project-tag {
  display: inline-flex;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-muted);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  padding: 4px 10px;
  border-radius: 50px;
  margin-top: 8px;
  width: fit-content;
}

/* ========================================
   PLANS
   ======================================== */
.plans {
  padding: 100px 0;
  background: var(--bg-base);
  position: relative;
}

.plans::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 60% at 50% 40%, rgba(26,43,107,0.1), transparent);
  pointer-events: none;
}

/* ---- Billing toggle ---- */
.billing-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-bottom: 48px;
}

.billing-label {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
  transition: color var(--transition);
}
.billing-label--active { color: var(--text-primary); }

.billing-save {
  font-size: 0.72rem;
  font-weight: 700;
  background: rgba(34,197,94,0.15);
  border: 1px solid rgba(34,197,94,0.3);
  color: #22c55e;
  padding: 2px 8px;
  border-radius: 50px;
}

.toggle-switch {
  position: relative;
  width: 44px;
  height: 24px;
  background: rgba(255,255,255,0.08);
  border: 1px solid var(--border);
  border-radius: 50px;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition);
  flex-shrink: 0;
}
.toggle-switch[aria-pressed="true"] {
  background: rgba(26,43,107,0.5);
  border-color: var(--blue-light);
}
.toggle-knob {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--text-muted);
  transition: transform var(--transition), background var(--transition);
}
.toggle-switch[aria-pressed="true"] .toggle-knob {
  transform: translateX(20px);
  background: #5b7fff;
}

/* ---- 3-col grid (Emprendedor, Pymes, Empresa) ---- */
.plans-grid--4 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: start;
  position: relative;
  z-index: 1;
}

/* ---- Plan card base ---- */
.plan-card {
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 28px 24px 24px;
  position: relative;
  transition:
    transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1),
    box-shadow 0.35s ease,
    border-color 0.35s ease;
  overflow: hidden;
  cursor: default;
}

/* Glow blob that follows card hover */
.plan-glow {
  position: absolute;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0;
  top: -60px;
  left: 50%;
  transform: translateX(-50%);
  pointer-events: none;
  transition: opacity 0.4s ease;
}

.plan-card:hover .plan-glow { opacity: 0.5; }
.plan-card:hover { transform: translateY(-10px) scale(1.02); }

/* Per-plan accent colors */
--micro-color:       #94a3b8;
--emprendedor-color: #3b82f6;
--pymes-color:       #cc0000;
--empresa-color:     #eab308;

.plan-card--micro {
  --accent: #94a3b8;
  --accent-bg: rgba(148,163,184,0.08);
  --accent-border: rgba(148,163,184,0.25);
}
.plan-card--micro .plan-glow    { background: radial-gradient(circle, rgba(148,163,184,0.8), transparent 70%); }
.plan-card--micro:hover         { border-color: rgba(148,163,184,0.4); box-shadow: 0 0 40px rgba(148,163,184,0.12), 0 20px 40px rgba(0,0,0,0.4); }

.plan-card--emprendedor {
  --accent: #24A3DD;
  --accent-bg: rgba(36,163,221,0.08);
  --accent-border: rgba(36,163,221,0.3);
}
.plan-card--emprendedor .plan-glow { background: radial-gradient(circle, rgba(36,163,221,0.8), transparent 70%); }
.plan-card--emprendedor:hover      { border-color: rgba(36,163,221,0.5); box-shadow: 0 0 50px rgba(36,163,221,0.18), 0 20px 40px rgba(0,0,0,0.4); }

.plan-card--pymes {
  --accent: #cc0000;
  --accent-bg: rgba(204,0,0,0.08);
  --accent-border: rgba(204,0,0,0.35);
}
.plan-card--pymes .plan-glow { background: radial-gradient(circle, rgba(204,0,0,0.9), transparent 70%); }
.plan-card--pymes:hover      { border-color: rgba(204,0,0,0.6); box-shadow: 0 0 60px rgba(204,0,0,0.22), 0 20px 40px rgba(0,0,0,0.5); }

.plan-card--empresa {
  --accent: #F9AC19;
  --accent-bg: rgba(249,172,25,0.08);
  --accent-border: rgba(249,172,25,0.3);
}
.plan-card--empresa .plan-glow { background: radial-gradient(circle, rgba(249,172,25,0.8), transparent 70%); }
.plan-card--empresa:hover      { border-color: rgba(249,172,25,0.5); box-shadow: 0 0 50px rgba(249,172,25,0.18), 0 20px 40px rgba(0,0,0,0.4); }

/* Featured (Pymes) elevated by default */
.plan-card--featured {
  border-color: var(--accent-border, rgba(204,0,0,0.35));
  background: linear-gradient(170deg, rgba(204,0,0,0.07) 0%, var(--bg-card) 55%);
  transform: translateY(-6px);
  box-shadow: 0 0 40px rgba(204,0,0,0.14), 0 12px 32px rgba(0,0,0,0.4);
}
.plan-card--featured:hover { transform: translateY(-14px) scale(1.02); }

.plan-popular {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--red);
  color: #fff;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 4px 14px;
  border-radius: 50px;
  white-space: nowrap;
}

/* ---- Plan header ---- */
.plan-header {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  margin-bottom: 20px;
}

.plan-icon-wrap {
  margin-bottom: 14px;
}

.plan-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-bg);
  border: 1px solid var(--accent-border);
  color: var(--accent);
  transition: box-shadow 0.35s ease;
}

.plan-card:hover .plan-icon {
  box-shadow: 0 0 20px color-mix(in srgb, var(--accent) 30%, transparent);
}

/* Use fallback for older browsers */
.plan-card--micro      .plan-icon { color: #94a3b8; }
.plan-card--emprendedor .plan-icon { color: #24A3DD; }
.plan-card--pymes      .plan-icon { color: #E43D2C; }
.plan-card--empresa    .plan-icon { color: #F9AC19; }

.plan-name {
  font-family: var(--font-head);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: 5px;
  transition: color 0.3s;
}
.plan-card--micro:hover      .plan-name { color: #94a3b8; }
.plan-card--emprendedor:hover .plan-name { color: #24A3DD; }
.plan-card--pymes:hover      .plan-name { color: #E43D2C; }
.plan-card--empresa:hover    .plan-name { color: #F9AC19; }

.plan-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ---- Pricing block ---- */
.plan-price-block {
  padding-bottom: 20px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border);
  transition: border-color 0.3s;
}
.plan-card--micro:hover      .plan-price-block { border-color: rgba(148,163,184,0.2); }
.plan-card--emprendedor:hover .plan-price-block { border-color: rgba(59,130,246,0.2); }
.plan-card--pymes:hover      .plan-price-block { border-color: rgba(204,0,0,0.2); }
.plan-card--empresa:hover    .plan-price-block { border-color: rgba(234,179,8,0.2); }

.plan-price {
  display: flex;
  align-items: baseline;
  gap: 3px;
  margin-bottom: 6px;
}

.plan-currency {
  font-family: var(--font-head);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-secondary);
  align-self: flex-start;
  margin-top: 6px;
}

.plan-amount {
  font-family: var(--font-head);
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
  transition: color 0.3s;
}
.plan-card--micro:hover      .plan-amount { color: #94a3b8; }
.plan-card--emprendedor:hover .plan-amount { color: #24A3DD; }
.plan-card--pymes:hover      .plan-amount { color: #E43D2C; }
.plan-card--empresa:hover    .plan-amount { color: #F9AC19; }

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

.plan-annual-note {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.annual-value {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.annual-old {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-decoration: line-through;
  opacity: 0.6;
}

/* ---- Features list ---- */
.plan-features {
  display: flex;
  flex-direction: column;
  gap: 9px;
  margin-bottom: 24px;
}

.plan-feature {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 0.84rem;
}

.plan-feature::before {
  content: '';
  width: 17px;
  height: 17px;
  border-radius: 50%;
  flex-shrink: 0;
  background-size: 9px;
  background-repeat: no-repeat;
  background-position: center;
}

.plan-feature--yes {
  color: var(--text-secondary);
}
.plan-feature--yes::before {
  background-color: rgba(34,197,94,0.12);
  border: 1px solid rgba(34,197,94,0.3);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2322c55e' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
}

.plan-feature--no {
  color: var(--text-muted);
  opacity: 0.45;
}
.plan-feature--no::before {
  background-color: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.07);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%234a5c7a' stroke-width='3' stroke-linecap='round'%3E%3Cline x1='18' y1='6' x2='6' y2='18'/%3E%3Cline x1='6' y1='6' x2='18' y2='18'/%3E%3C/svg%3E");
}

/* ---- Plan buttons ---- */
.plan-btn {
  border-radius: var(--radius-md);
  font-size: 0.92rem;
  font-weight: 600;
  padding: 12px 20px;
  border: 1.5px solid transparent;
  transition: all 0.3s ease;
}

.plan-btn--micro {
  background: rgba(148,163,184,0.08);
  border-color: rgba(148,163,184,0.25);
  color: #94a3b8;
}
.plan-btn--micro:hover {
  background: rgba(148,163,184,0.18);
  border-color: rgba(148,163,184,0.5);
  color: #cbd5e1;
  transform: translateY(-1px);
}

.plan-btn--emprendedor {
  background: rgba(36,163,221,0.1);
  border-color: rgba(36,163,221,0.3);
  color: #24A3DD;
}
.plan-btn--emprendedor:hover {
  background: rgba(36,163,221,0.2);
  border-color: rgba(36,163,221,0.6);
  color: #5cc0e8;
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(36,163,221,0.3);
}

.plan-btn--pymes {
  background: linear-gradient(135deg, var(--red), var(--red-light));
  color: #fff;
  box-shadow: 0 4px 20px rgba(204,0,0,0.35);
}
.plan-btn--pymes:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(204,0,0,0.5);
}

.plan-btn--empresa {
  background: rgba(249,172,25,0.1);
  border-color: rgba(249,172,25,0.3);
  color: #F9AC19;
}
.plan-btn--empresa:hover {
  background: rgba(249,172,25,0.2);
  border-color: rgba(249,172,25,0.6);
  color: #fbc84a;
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(249,172,25,0.25);
}

/* ---- Meeting CTA ---- */
.plans-meeting {
  margin-top: 48px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 36px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  position: relative;
  z-index: 1;
  transition: border-color var(--transition);
}
.plans-meeting:hover { border-color: rgba(34,197,94,0.3); }

.plans-meeting-content {
  display: flex;
  align-items: center;
  gap: 20px;
}

.plans-meeting-icon {
  width: 52px;
  height: 52px;
  background: rgba(34,197,94,0.1);
  border: 1px solid rgba(34,197,94,0.25);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #22c55e;
  flex-shrink: 0;
}

.plans-meeting-title {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.plans-meeting-sub {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.btn-meeting {
  background: rgba(34,197,94,0.12);
  border: 1.5px solid rgba(34,197,94,0.35);
  color: #22c55e;
  border-radius: 50px;
  padding: 11px 24px;
  font-size: 0.9rem;
  font-weight: 600;
  white-space: nowrap;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all var(--transition);
}
.btn-meeting:hover {
  background: rgba(34,197,94,0.2);
  border-color: rgba(34,197,94,0.6);
  color: #4ade80;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(34,197,94,0.2);
}

.plans-note {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 24px;
  font-size: 0.86rem;
  color: var(--text-muted);
  position: relative;
  z-index: 1;
}

/* ========================================
   DEMO IA
   ======================================== */
.demo {
  padding: 100px 0;
  background: var(--bg-surface);
  position: relative;
  overflow: hidden;
}

.demo::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 50% 80% at 80% 50%, rgba(36,163,221,0.07), transparent),
    radial-gradient(ellipse 40% 60% at 10% 50%, rgba(46,43,87,0.15), transparent);
  pointer-events: none;
}

.demo-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 64px;
  align-items: center;
  position: relative;
  z-index: 1;
}

/* ---- Contenido izquierdo ---- */
.demo-title {
  font-family: var(--font-head);
  font-size: clamp(1.7rem, 3.5vw, 2.4rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.demo-lead {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 32px;
}

.demo-points {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-bottom: 36px;
}

.demo-point {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.demo-point-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: rgba(36,163,221,0.1);
  border: 1px solid rgba(36,163,221,0.25);
  color: #24A3DD;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.demo-point p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.demo-point strong { color: var(--text-primary); font-weight: 600; }

/* ---- Video derecho ---- */
.demo-video-wrap {
  position: relative;
}

.demo-video-glow {
  position: absolute;
  inset: -40px;
  background: radial-gradient(ellipse 70% 60% at 50% 50%, rgba(36,163,221,0.12), transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.demo-video-frame {
  position: relative;
  z-index: 1;
  background: var(--bg-card);
  border: 1px solid rgba(36,163,221,0.25);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 0 60px rgba(36,163,221,0.1), 0 20px 40px rgba(0,0,0,0.5);
  transition: box-shadow var(--transition), border-color var(--transition);
}

.demo-video-frame:hover {
  border-color: rgba(36,163,221,0.45);
  box-shadow: 0 0 80px rgba(36,163,221,0.18), 0 24px 48px rgba(0,0,0,0.5);
}

.demo-video-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  border-bottom: 1px solid var(--border);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  background: rgba(255,255,255,0.02);
}

/* Responsive 16:9 iframe */
.demo-video-container {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
}

.demo-video-container iframe,
.demo-video-container .demo-yt-thumb {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  display: block;
}

/* Miniatura clicable */
.demo-yt-thumb {
  cursor: pointer;
  overflow: hidden;
}

.demo-yt-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: brightness(0.82);
  transition: transform 0.4s ease, filter 0.4s ease;
}

.demo-yt-thumb:hover img {
  transform: scale(1.04);
  filter: brightness(0.65);
}

.demo-yt-play {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  filter: drop-shadow(0 2px 10px rgba(0,0,0,0.7));
  transition: transform 0.3s ease;
}

.demo-yt-thumb:hover .demo-yt-play {
  transform: translate(-50%, -50%) scale(1.18);
}

.demo-yt-label {
  position: absolute;
  bottom: 12px; left: 50%;
  transform: translateX(-50%);
  font-size: 0.75rem;
  font-weight: 600;
  color: rgba(255,255,255,0.9);
  background: rgba(0,0,0,0.55);
  padding: 4px 12px;
  border-radius: 50px;
  white-space: nowrap;
  letter-spacing: 0.04em;
}

.demo-video-caption {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  border-top: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--text-muted);
  background: rgba(255,255,255,0.02);
}

/* ---- Responsive ---- */
@media (max-width: 900px) {
  .demo-wrapper {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

/* ========================================
   CONTACT
   ======================================== */
.contact {
  padding: 100px 0;
  background: var(--bg-surface);
  position: relative;
}

.contact::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 50% at 50% 50%, rgba(46,43,87,0.12), transparent);
  pointer-events: none;
}

/* 3 tarjetas de contacto */
.contact-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 40px;
  position: relative;
  z-index: 1;
}

.contact-card {
  display: flex;
  align-items: center;
  gap: 18px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  text-decoration: none;
  color: inherit;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
}

.contact-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--red), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}

.contact-card:hover {
  transform: translateY(-6px);
  border-color: rgba(228,61,44,0.3);
  box-shadow: 0 0 40px rgba(228,61,44,0.1), 0 16px 32px rgba(0,0,0,0.4);
}
.contact-card:hover::before { opacity: 1; }

.contact-card--wa:hover {
  border-color: rgba(37,211,102,0.35);
  box-shadow: 0 0 40px rgba(37,211,102,0.1), 0 16px 32px rgba(0,0,0,0.4);
}
.contact-card--wa::before {
  background: linear-gradient(90deg, transparent, #25D366, transparent);
}

.contact-card-icon {
  width: 56px; height: 56px;
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  transition: box-shadow var(--transition);
}
.contact-card-icon--red  { background: rgba(228,61,44,0.12); border: 1px solid rgba(228,61,44,0.25); color: var(--red); }
.contact-card-icon--wa   { background: rgba(37,211,102,0.1);  border: 1px solid rgba(37,211,102,0.25); color: #25D366; }
.contact-card-icon--blue { background: rgba(36,163,221,0.1);  border: 1px solid rgba(36,163,221,0.25); color: #24A3DD; }

.contact-card:hover .contact-card-icon--red  { box-shadow: 0 0 20px rgba(228,61,44,0.25); }
.contact-card:hover .contact-card-icon--wa   { box-shadow: 0 0 20px rgba(37,211,102,0.25); }
.contact-card:hover .contact-card-icon--blue { box-shadow: 0 0 20px rgba(36,163,221,0.25); }

.contact-card-body {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}

.contact-card-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.contact-card-value {
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.contact-card-action {
  font-size: 0.78rem;
  color: var(--text-muted);
  transition: color var(--transition);
}
.contact-card:hover .contact-card-action { color: var(--red); }
.contact-card--wa:hover .contact-card-action { color: #25D366; }

/* Bloque redes sociales */
.contact-social-block {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
  padding: 24px;
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  position: relative;
  z-index: 1;
}

.contact-social-text {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.contact-social-links {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.contact-social-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 0.84rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  padding: 7px 16px;
  border-radius: 50px;
  text-decoration: none;
  transition: all var(--transition);
}
.contact-social-pill:hover {
  background: rgba(46,43,87,0.4);
  border-color: var(--blue-light);
  color: var(--text-primary);
  transform: translateY(-2px);
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
  background: var(--bg-base);
  border-top: 1px solid var(--border);
}

.footer-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  padding-top: 60px;
  padding-bottom: 60px;
}

.footer-tagline {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin: 16px 0 24px;
  max-width: 280px;
  line-height: 1.6;
}

.footer-social {
  display: flex;
  gap: 10px;
}

.social-link {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: all var(--transition);
}

.social-link:hover {
  background: rgba(46,43,87,0.4);
  border-color: var(--blue-light);
  color: var(--text-primary);
  transform: translateY(-2px);
}

/* WhatsApp en footer con verde */
.social-link--wa:hover {
  background: rgba(37,211,102,0.15);
  border-color: rgba(37,211,102,0.4);
  color: #25D366;
}

/* YouTube en footer con rojo */
.social-link--yt:hover {
  background: rgba(255,0,0,0.12);
  border-color: rgba(255,0,0,0.35);
  color: #ff0000;
}

/* YouTube en pills de contacto */
.contact-social-pill--yt:hover {
  background: rgba(255,0,0,0.08);
  border-color: rgba(255,0,0,0.3);
  color: #ff0000;
}

.footer-links-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.footer-col-title {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.footer-col-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col-links a {
  font-size: 0.88rem;
  color: var(--text-muted);
  transition: color var(--transition);
}

.footer-col-links a:hover {
  color: var(--text-primary);
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px 0;
}

.footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: center;
}

.footer-copy {
  font-size: 0.82rem;
  color: var(--text-muted);
}


/* ========================================
   BACK TO TOP
   ======================================== */
.back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 900;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--red);
  border: none;
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(204,0,0,0.4);
  opacity: 0;
  transform: translateY(12px);
  transition: opacity var(--transition), transform var(--transition);
  pointer-events: none;
}

.back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.back-to-top:hover {
  background: var(--red-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(204,0,0,0.5);
}

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 1024px) {
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .plans-grid--4 {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .plan-card--featured { transform: none; }
  .plans-meeting { flex-direction: column; align-items: flex-start; }
  .contact-wrapper {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  :root { --nav-h: 60px; }

  .nav-toggle { display: flex; }

  .nav-links {
    display: none;
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    background: rgba(8, 12, 20, 0.97);
    backdrop-filter: blur(16px);
    padding: 20px 24px 32px;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    border-bottom: 1px solid var(--border);
  }

  .nav-links.open { display: flex; }

  .nav-link { width: 100%; padding: 12px 14px; }
  .nav-link.nav-cta { margin-top: 8px; text-align: center; justify-content: center; }

  .nav-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
  .nav-toggle.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
  .nav-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

  .hero-container { padding-top: 60px; padding-bottom: 80px; }
  .hero-stats { flex-wrap: wrap; gap: 20px; }
  .stat-divider { display: none; }

  .problema-card {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 28px;
  }
  .problema-metrics {
    flex-direction: row;
    padding-left: 0;
    padding-top: 24px;
    border-left: none;
    border-top: 1px solid var(--border);
  }

  .feat-nav { display: none; }

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

  .plans-grid {
    grid-template-columns: 1fr;
  }
  .plans-grid .plan-card:last-child {
    grid-column: span 1;
    max-width: 100%;
  }
  .plan-card--featured { transform: none; }

  .contact-cards { grid-template-columns: 1fr; }
  .contact-social-block { flex-direction: column; gap: 14px; }

  .footer-container {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .footer-links-grid {
    grid-template-columns: 1fr 1fr;
  }
  .footer-bottom-inner { text-align: center; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 2.4rem; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }

  .plans-grid--4 { gap: 14px; }
  .plan-card { padding: 24px 18px; }

  .contact-form-wrap { padding: 28px 20px; }
  .footer-links-grid { grid-template-columns: 1fr; }
}