/* ============================================================
   TEKNE SOLUTION — Design System & Styles
   Premium Dark Tech Aesthetic
   ============================================================ */

/* --- Fonts (Fontshare CDN) --- */
@import url('https://api.fontshare.com/v2/css?f[]=satoshi@400,500,700,900&f[]=general-sans@400,500,600&display=swap');

/* --- Design Tokens --- */
:root {
  /* Colors */
  --bg-deep: #060a14;
  --bg-primary: #0a0e1a;
  --bg-card: #0f1526;
  --bg-card-hover: #141c32;
  --bg-surface: #1a2340;
  --bg-glass: rgba(15, 21, 38, 0.72);
  --bg-glass-border: rgba(0, 229, 255, 0.08);

  --text-primary: #f0f2f8;
  --text-secondary: #9ba4bf;
  --text-muted: #5e6888;
  --text-accent: #00e5ff;

  --accent: #00e5ff;
  --accent-glow: rgba(0, 229, 255, 0.25);
  --accent-soft: rgba(0, 229, 255, 0.08);
  --accent-gradient: linear-gradient(135deg, #00e5ff 0%, #0077ff 100%);

  --danger: #ff4d6a;
  --success: #00e676;
  --warning: #ffab40;

  /* Typography */
  --font-display: 'Satoshi', sans-serif;
  --font-body: 'General Sans', sans-serif;

  --fs-hero: clamp(2rem, 5.5vw, 4.2rem);
  --fs-h2: clamp(1.5rem, 3.5vw, 2.8rem);
  --fs-h3: clamp(1.2rem, 2.2vw, 1.7rem);
  --fs-body: clamp(0.9rem, 1.1vw, 1.1rem);
  --fs-small: 0.8125rem;
  --fs-micro: 0.75rem;

  /* Spacing */
  --section-pad: clamp(4rem, 8vw, 8rem);
  --container-max: 1200px;
  --gap: 1.5rem;
  --radius: 12px;
  --radius-lg: 20px;

  /* Transitions */
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --duration: 0.4s;
}

/* --- 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-body);
  font-size: var(--fs-body);
  color: var(--text-primary);
  background: var(--bg-deep);
  line-height: 1.7;
  overflow-x: hidden;
  width: 100%;
}

h1, h2, h3, h4 {
  overflow-wrap: break-word;
  hyphens: auto;
}

img { max-width: 100%; display: block; }
a { color: var(--accent); text-decoration: none; transition: opacity var(--duration) var(--ease); }
a:hover { opacity: 0.8; }
ul { list-style: none; }

/* --- Utility --- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 2.5rem);
}

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); border: 0;
}

.text-accent { color: var(--accent); }
.text-danger { color: var(--danger); }
.text-muted { color: var(--text-secondary); }
.text-center { text-align: center; }
.text-center .section-label { justify-content: center; }
.text-center .section-subtitle { margin-left: auto; margin-right: auto; }

/* --- Section Base --- */
section {
  padding: var(--section-pad) 0;
  position: relative;
}

.section-label {
  font-family: var(--font-display);
  font-size: var(--fs-micro);
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.section-label::before {
  content: '';
  width: 28px;
  height: 2px;
  background: var(--accent);
  display: inline-block;
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 1.25rem;
  letter-spacing: -0.02em;
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: var(--fs-body);
  max-width: 600px;
  line-height: 1.75;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-small);
  padding: 0.9rem 2rem;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  transition: all var(--duration) var(--ease);
  white-space: nowrap;
  text-decoration: none;
}

.btn-primary {
  background: var(--accent-gradient);
  color: var(--bg-deep);
  box-shadow: 0 0 30px var(--accent-glow), 0 4px 15px rgba(0, 0, 0, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 50px var(--accent-glow), 0 8px 25px rgba(0, 0, 0, 0.4);
  opacity: 1;
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1.5px solid rgba(255, 255, 255, 0.15);
}

.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
  opacity: 1;
}

.btn-ghost {
  background: transparent;
  color: var(--accent);
  padding: 0.5rem 0;
  border-bottom: 1.5px solid transparent;
}

.btn-ghost:hover {
  border-bottom-color: var(--accent);
  opacity: 1;
}

.btn-ghost::after {
  content: '→';
  transition: transform var(--duration) var(--ease);
}

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

/* --- Navbar --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1rem 0;
  transition: all var(--duration) var(--ease);
}

.navbar.scrolled {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--bg-glass-border);
  padding: 0.6rem 0;
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.4rem;
  color: var(--text-primary);
  letter-spacing: -0.03em;
  display: flex;
  align-items: center;
}

.nav-logo-img {
  height: 38px;
  width: auto;
  object-fit: contain;
  transition: transform var(--duration) var(--ease);
}

.nav-logo:hover .nav-logo-img {
  transform: scale(1.05);
}

.nav-logo span {
  color: var(--accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links a {
  font-family: var(--font-display);
  font-size: var(--fs-small);
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--duration) var(--ease);
}

.nav-links a:hover {
  color: var(--text-primary);
  opacity: 1;
}

.nav-cta {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-small);
  padding: 0.6rem 1.5rem;
  border-radius: 50px;
  background: var(--accent-gradient);
  color: var(--bg-deep) !important;
}

.nav-cta:hover { opacity: 0.9; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  margin: 5px 0;
  transition: all 0.3s var(--ease);
}

/* --- Hero --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 5rem;
}

.hero::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -20%;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(0, 229, 255, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 200px;
  background: linear-gradient(to top, var(--bg-deep), transparent);
  pointer-events: none;
}

.hero .container {
  position: relative;
  z-index: 1;
}

.hero-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 3rem;
}

.hero-content {
  max-width: 780px;
}

/* --- Hero Visual (Dashboard Mockup + Floating Cards) --- */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-img-wrapper {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 25px 80px rgba(0, 0, 0, 0.5), 0 0 60px var(--accent-glow);
  border: 1px solid rgba(0, 229, 255, 0.1);
}

.hero-img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-lg);
  filter: brightness(0.85) contrast(1.1);
  transition: filter var(--duration) var(--ease);
}

.hero-img-wrapper:hover .hero-img {
  filter: brightness(0.95) contrast(1.15);
}

.hero-img-glow {
  position: absolute;
  bottom: -30%;
  left: 50%;
  transform: translateX(-50%);
  width: 120%;
  height: 60%;
  background: radial-gradient(ellipse, rgba(0, 229, 255, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

/* Floating metric cards */
.hero-float-card {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(0, 229, 255, 0.12);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  animation: float 6s ease-in-out infinite;
  z-index: 2;
}

.float-icon {
  font-size: 1.3rem;
}

.float-number {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.1rem;
  color: var(--accent);
  line-height: 1;
}

.float-label {
  font-size: var(--fs-micro);
  color: var(--text-muted);
  line-height: 1.2;
}

.hero-float-1 {
  top: 10%;
  left: -10%;
  animation-delay: 0s;
}

.hero-float-2 {
  bottom: 15%;
  right: -8%;
  animation-delay: 2s;
}

.hero-float-3 {
  top: 55%;
  left: -15%;
  animation-delay: 4s;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-12px); }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--accent-soft);
  border: 1px solid rgba(0, 229, 255, 0.15);
  padding: 0.4rem 1rem;
  border-radius: 50px;
  font-family: var(--font-display);
  font-size: var(--fs-micro);
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 2rem;
  letter-spacing: 0.05em;
}

.hero-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.5); }
}

.hero h1 {
  font-family: var(--font-display);
  font-size: var(--fs-hero);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

.hero h1 .highlight {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: clamp(1rem, 1.3vw, 1.2rem);
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 620px;
  margin-bottom: 2.5rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.hero-proof {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  font-size: var(--fs-small);
  color: var(--text-muted);
}

.hero-proof-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.hero-proof-item svg {
  width: 16px;
  height: 16px;
  fill: var(--success);
  flex-shrink: 0;
}

/* Floating grid lines background */
.hero-grid {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image:
    linear-gradient(rgba(0, 229, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 229, 255, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  mask-image: radial-gradient(ellipse at 30% 50%, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at 30% 50%, black 20%, transparent 70%);
}

/* --- Pain Section --- */
.pain {
  background: var(--bg-primary);
}

.pain-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap);
  margin-top: 3rem;
}

.pain-card {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: var(--radius);
  transition: all var(--duration) var(--ease);
  position: relative;
  overflow: hidden;
}

.pain-card-img {
  width: 100%;
  height: 160px;
  overflow: hidden;
}

.pain-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.6) saturate(0.8);
  transition: all 0.6s var(--ease);
}

.pain-card:hover .pain-card-img img {
  filter: brightness(0.75) saturate(1);
  transform: scale(1.05);
}

.pain-card-body {
  padding: 1.5rem 2rem 2rem;
}

.pain-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--danger);
  opacity: 0;
  transition: opacity var(--duration) var(--ease);
  z-index: 1;
}

.pain-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255, 77, 106, 0.15);
  transform: translateY(-4px);
}

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

.pain-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(255, 77, 106, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  font-size: 1.4rem;
}

.pain-card h3 {
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  font-weight: 700;
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}

.pain-card p {
  color: var(--text-secondary);
  font-size: var(--fs-small);
  line-height: 1.7;
}

/* --- Benefits --- */
.benefits {
  background: var(--bg-deep);
}

.benefit-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  margin-bottom: 6rem;
}

.benefit-block:nth-child(even) {
  direction: rtl;
}

.benefit-block:nth-child(even) > * {
  direction: ltr;
}

.benefit-block:last-child {
  margin-bottom: 0;
}

.benefit-visual {
  position: relative;
}

.benefit-img-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.benefit-img-card img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  display: block;
  filter: brightness(0.65) saturate(0.9);
  transition: all 0.6s var(--ease);
}

.benefit-img-card:hover img {
  filter: brightness(0.8) saturate(1.1);
  transform: scale(1.03);
}

.benefit-img-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, var(--bg-deep) 0%, transparent 60%);
  pointer-events: none;
}

.benefit-metric-floating {
  position: absolute;
  bottom: 1.5rem;
  left: 1.5rem;
  right: 1.5rem;
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(0, 229, 255, 0.1);
  border-radius: var(--radius);
  padding: 1.5rem;
  z-index: 2;
}

/* Keep legacy metric-card styles for fallback */
.benefit-metric-card {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  position: relative;
  overflow: hidden;
}

.benefit-metric-card::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, var(--accent-soft) 0%, transparent 60%);
  pointer-events: none;
}

.metric-number {
  font-family: var(--font-display);
  font-size: 4rem;
  font-weight: 900;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.metric-number.red { color: var(--danger); }
.metric-number.cyan { color: var(--accent); }
.metric-number.green { color: var(--success); }

.metric-label {
  font-size: var(--fs-small);
  color: var(--text-muted);
}

.benefit-text .section-label {
  margin-bottom: 0.75rem;
}

.benefit-text h3 {
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.benefit-text p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.8;
}

/* --- Services --- */
.services {
  background: var(--bg-primary);
  position: relative;
  overflow: hidden;
}

.services::before {
  content: '';
  position: absolute;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 900px;
  background: radial-gradient(circle, rgba(0, 229, 255, 0.035) 0%, transparent 65%);
  pointer-events: none;
}

.services .container {
  position: relative;
  z-index: 1;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  margin-top: 3.5rem;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--duration) var(--ease);
  position: relative;
}

.service-card:hover {
  border-color: rgba(0, 229, 255, 0.15);
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3), 0 0 40px var(--accent-glow);
}

.service-card-img {
  position: relative;
  height: 200px;
  overflow: hidden;
}

.service-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.55) saturate(0.85);
  transition: all 0.7s var(--ease);
}

.service-card:hover .service-card-img img {
  filter: brightness(0.7) saturate(1.05);
  transform: scale(1.06);
}

.service-card-img-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, var(--bg-card) 0%, rgba(15, 21, 38, 0.3) 50%, transparent 100%);
  pointer-events: none;
}

.service-icon-badge {
  position: absolute;
  bottom: -20px;
  right: 1.5rem;
  width: 48px;
  height: 48px;
  background: var(--accent-gradient);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px var(--accent-glow);
  z-index: 2;
  transition: transform var(--duration) var(--ease);
}

.service-card:hover .service-icon-badge {
  transform: scale(1.1) rotate(-5deg);
}

.service-icon-badge svg {
  width: 22px;
  height: 22px;
  color: var(--bg-deep);
}

.service-card-body {
  padding: 2rem 2rem 2.25rem;
}

.service-card-body h3 {
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  font-weight: 800;
  letter-spacing: -0.01em;
  margin-bottom: 0.75rem;
  line-height: 1.25;
}

.service-card-body p {
  color: var(--text-secondary);
  font-size: var(--fs-small);
  line-height: 1.75;
  margin-bottom: 1.25rem;
}

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

.service-highlights li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--fs-small);
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  line-height: 1.5;
}

.service-highlights li::before {
  content: '✓';
  color: var(--accent);
  font-weight: 700;
  font-size: 0.85rem;
  flex-shrink: 0;
}


/* --- Portfolio (Casos de Éxito) --- */
.portfolio {
  background: var(--bg-deep);
  position: relative;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 3.5rem;
}

.portfolio-card {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--duration) var(--ease);
  position: relative;
  display: block; /* for anchor tag */
}

.portfolio-card:hover {
  border-color: rgba(0, 229, 255, 0.2);
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

.portfolio-img {
  position: relative;
  height: 220px;
  overflow: hidden;
}

.portfolio-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease);
  filter: brightness(0.8);
}

.portfolio-card:hover .portfolio-img img {
  transform: scale(1.08);
  filter: brightness(1);
}

.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: rgba(6, 10, 20, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--duration) var(--ease);
}

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

.view-project {
  color: var(--accent);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-small);
  transform: translateY(10px);
  transition: transform var(--duration) var(--ease);
  background: rgba(0, 229, 255, 0.1);
  padding: 0.6rem 1.2rem;
  border-radius: 50px;
  border: 1px solid rgba(0, 229, 255, 0.2);
}

.portfolio-card:hover .view-project {
  transform: translateY(0);
}

.portfolio-content {
  padding: 1.5rem;
}

.portfolio-category {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.portfolio-card h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.portfolio-url {
  font-size: var(--fs-small);
  color: var(--text-muted);
  font-style: italic;
}

/* --- Calculator --- */
.calculator {
  background: var(--bg-primary);
  position: relative;
  overflow: hidden;
}

.calculator::before {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0, 229, 255, 0.04) 0%, transparent 70%);
  pointer-events: none;
}

.calc-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  margin-top: 3rem;
  position: relative;
  z-index: 1;
}

.calc-form {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
}

.calc-field {
  margin-bottom: 1.75rem;
}

.calc-field label {
  display: block;
  font-family: var(--font-display);
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.calc-field .field-hint {
  font-size: var(--fs-micro);
  color: var(--text-muted);
  margin-bottom: 0.5rem;
  display: block;
}

.calc-field input {
  width: 100%;
  padding: 0.85rem 1.2rem;
  background: var(--bg-surface);
  border: 1.5px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  transition: border-color var(--duration) var(--ease);
  outline: none;
}

.calc-field input::placeholder {
  color: var(--text-muted);
}

.calc-field input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.calc-field input.error {
  border-color: var(--danger);
}

.calc-field .error-msg {
  font-size: var(--fs-micro);
  color: var(--danger);
  margin-top: 0.35rem;
  display: none;
}

.calc-field .error-msg.visible {
  display: block;
}

.calc-btn {
  width: 100%;
  justify-content: center;
  font-size: 1rem;
  padding: 1rem;
}

.calc-results {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.calc-results.has-results {
  border-color: rgba(0, 229, 255, 0.15);
}

.calc-placeholder {
  text-align: center;
  color: var(--text-muted);
}

.calc-placeholder .placeholder-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  opacity: 0.4;
}

.calc-output { display: none; }
.calc-output.visible { display: block; }

.result-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 1rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.result-row:last-child { border-bottom: none; }

.result-label {
  font-size: var(--fs-small);
  color: var(--text-secondary);
}

.result-value {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.3rem;
}

.result-loss {
  margin-top: 1.5rem;
  padding: 1.5rem;
  background: rgba(255, 77, 106, 0.06);
  border: 1px solid rgba(255, 77, 106, 0.15);
  border-radius: var(--radius);
  text-align: center;
}

.result-loss .loss-amount {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--danger);
  line-height: 1.2;
}

.result-loss .loss-label {
  font-size: var(--fs-small);
  color: var(--text-secondary);
  margin-top: 0.25rem;
}

.result-loss-annual {
  margin-top: 0.75rem;
  text-align: center;
}

.result-loss-annual span {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.4rem;
  color: var(--danger);
}

.calc-proof {
  text-align: center;
  margin-top: 2rem;
  font-size: var(--fs-micro);
  color: var(--text-muted);
}

/* --- Social Proof / Testimonials --- */
.social-proof {
  background: var(--bg-deep);
}

.proof-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--gap);
  margin-bottom: 4rem;
}

.stat-card {
  text-align: center;
  padding: 2rem;
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: var(--radius);
}

.stat-number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: var(--fs-small);
  color: var(--text-secondary);
}

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

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: var(--radius);
  padding: 2rem;
  transition: all var(--duration) var(--ease);
}

.testimonial-card:hover {
  background: var(--bg-card-hover);
  transform: translateY(-4px);
}

.testimonial-stars {
  color: var(--warning);
  margin-bottom: 1rem;
  font-size: 0.9rem;
  letter-spacing: 2px;
}

.testimonial-text {
  color: var(--text-secondary);
  font-size: var(--fs-small);
  line-height: 1.75;
  margin-bottom: 1.25rem;
  font-style: italic;
}

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

.testimonial-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-small);
  color: var(--bg-deep);
}

.testimonial-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--fs-small);
}

.testimonial-role {
  font-size: var(--fs-micro);
  color: var(--text-muted);
}

/* --- Pricing --- */
.pricing {
  background: var(--bg-primary);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap);
  margin-top: 3rem;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  transition: all var(--duration) var(--ease);
  position: relative;
}

.pricing-card.featured {
  border-color: var(--accent);
  box-shadow: 0 0 50px var(--accent-glow);
}

.pricing-card.featured::before {
  content: 'Más Popular';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent-gradient);
  color: var(--bg-deep);
  font-family: var(--font-display);
  font-size: var(--fs-micro);
  font-weight: 700;
  padding: 0.3rem 1.2rem;
  border-radius: 50px;
  letter-spacing: 0.05em;
}

.pricing-card:hover {
  transform: translateY(-6px);
}

.pricing-name {
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.pricing-desc {
  font-size: var(--fs-small);
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.6;
  font-style: italic;
}

.pricing-features {
  margin-bottom: 2rem;
  flex-grow: 1;
}

.pricing-features li {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: var(--fs-small);
  color: var(--text-secondary);
  margin-bottom: 0.85rem;
  line-height: 1.5;
}

.pricing-features li::before {
  content: '✓';
  color: var(--success);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

.pricing-pain {
  font-size: var(--fs-micro);
  color: var(--danger);
  margin-bottom: 1.5rem;
  padding: 0.6rem 1rem;
  background: rgba(255, 77, 106, 0.06);
  border-radius: var(--radius);
  line-height: 1.5;
}

.pricing-pain strong { color: var(--danger); }

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

/* --- FAQ --- */
.faq {
  background: var(--bg-deep);
}

.faq-grid {
  max-width: 800px;
  margin: 3rem auto 0;
}

.faq-item {
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  color: var(--text-primary);
  font-family: var(--font-display);
  font-size: var(--fs-body);
  font-weight: 600;
  text-align: left;
  padding: 1.5rem 0;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  transition: color var(--duration) var(--ease);
}

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

.faq-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1.5px solid rgba(255, 255, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1rem;
  transition: all var(--duration) var(--ease);
}

.faq-item.active .faq-icon {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent);
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s var(--ease);
}

.faq-answer-inner {
  padding: 0 0 1.5rem;
  color: var(--text-secondary);
  font-size: var(--fs-small);
  line-height: 1.8;
}

/* --- Final CTA --- */
.final-cta {
  background: var(--bg-primary);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.final-cta::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0, 229, 255, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.final-cta .container {
  position: relative;
  z-index: 1;
}

.final-cta .section-title {
  max-width: 700px;
  margin: 0 auto 1.25rem;
}

.final-cta .section-subtitle {
  max-width: 600px;
  margin: 0 auto 2.5rem;
}

/* --- Footer --- */
.footer {
  background: var(--bg-deep);
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: var(--fs-small);
  line-height: 1.7;
  margin-top: 1rem;
  max-width: 300px;
}

.footer-col h4 {
  font-family: var(--font-display);
  font-size: var(--fs-small);
  font-weight: 700;
  margin-bottom: 1.25rem;
  color: var(--text-primary);
}

.footer-col a {
  display: block;
  font-size: var(--fs-small);
  color: var(--text-secondary);
  margin-bottom: 0.6rem;
  transition: color var(--duration) var(--ease);
}

.footer-col a:hover {
  color: var(--accent);
  opacity: 1;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--fs-micro);
  color: var(--text-muted);
}

/* --- Popups --- */
.popup-overlay {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 9998;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s var(--ease);
}

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

/* Modal popup (exit-intent + time-delayed) */
.popup-modal {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.9);
  z-index: 9999;
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: 3rem;
  max-width: 520px;
  width: 90%;
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s var(--ease);
}

.popup-modal.active {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, -50%) scale(1);
}

.popup-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 1rem; /* Increased touch area */
  line-height: 1;
  transition: color var(--duration) var(--ease);
  z-index: 10001; /* Ensure it's on top */
}

.popup-close:hover { color: var(--text-primary); }

.popup-modal h3 {
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  font-weight: 900;
  margin-bottom: 0.75rem;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.popup-modal p {
  color: var(--text-secondary);
  font-size: var(--fs-small);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.popup-form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.popup-form input {
  width: 100%;
  padding: 0.85rem 1.2rem;
  background: var(--bg-surface);
  border: 1.5px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: var(--fs-small);
  outline: none;
  transition: border-color var(--duration) var(--ease);
}

.popup-form input:focus {
  border-color: var(--accent);
}

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

.popup-dismiss {
  text-align: center;
  margin-top: 1rem;
  font-size: var(--fs-micro);
  color: var(--text-muted);
  cursor: pointer;
  transition: color var(--duration) var(--ease);
}

.popup-dismiss:hover { color: var(--text-secondary); }

/* Slide-in popup (scroll) */
.popup-slidein {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 9997;
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--bg-glass-border);
  border-radius: var(--radius);
  padding: 1.75rem;
  max-width: 380px;
  width: calc(100% - 4rem);
  opacity: 0;
  visibility: hidden;
  transform: translateY(30px);
  transition: all 0.5s var(--ease);
}

.popup-slidein.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.popup-slidein .popup-close {
  top: 0.5rem;
  right: 0.5rem;
  font-size: 1.2rem;
}

.popup-slidein .slidein-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.slidein-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: rgba(0, 230, 118, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.popup-slidein h4 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-small);
  line-height: 1.3;
}

.popup-slidein p {
  font-size: var(--fs-micro);
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1rem;
}

/* --- Scroll Reveal Animation --- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.7s var(--ease);
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* --- Responsive --- */
@media (max-width: 1024px) {
  .hero-layout {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .hero-visual {
    max-width: 500px;
    margin: 0 auto;
  }
  .benefit-block {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .benefit-block:nth-child(even) { direction: ltr; }
  .benefit-img-card img { height: 260px; }

  .pricing-grid { grid-template-columns: 1fr; max-width: 500px; margin-left: auto; margin-right: auto; }
  .testimonials-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }

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

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 2rem;
    gap: 1.25rem;
    border-bottom: 1px solid var(--bg-glass-border);
  }
  .nav-toggle { display: block; }

  .hero-float-card { display: none; }
  .hero-visual { margin-top: 1rem; }

  .hero-visual { margin-top: 1rem; }

  .pain-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .portfolio-grid { grid-template-columns: 1fr; }
  
  .pain-card-img { height: 140px; }
  .pain-card-img { height: 140px; }
  .benefit-img-card img { height: 220px; }

  .calc-wrapper { grid-template-columns: 1fr; }
  .proof-stats { grid-template-columns: repeat(2, 1fr); }
  .testimonials-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; gap: 0.5rem; text-align: center; }

  .popup-slidein { right: 1rem; bottom: 1rem; max-width: none; width: calc(100% - 2rem); }

  .hero-proof { flex-direction: column; align-items: flex-start; gap: 0.5rem; }
}