/* ============================================================
   DESIGN TOKENS
============================================================ */
:root {
  --primary: #3D5843;
  --primary-dark: #244039;
  --primary-light: #5C7A64;
  --primary-glow: rgba(61, 88, 67, 0.35);

  --accent-blue: #479DE5;
  --accent-teal: #60B7BA;
  --accent-amber: #F5A623;
  --accent-red: #E5484D;

  --bg-dark: #111615;
  --bg-card: #181F1C;
  --bg-card-alt: #1E2821;
  --bg-hover: #222E27;

  --border: rgba(255, 255, 255, 0.06);
  --border-light: rgba(255, 255, 255, 0.10);

  --text-primary: #F0F4F1;
  --text-secondary: #7A8F81;
  --text-muted: #4A5A50;

  --font-primary: 'Inter', system-ui, sans-serif;
  --font-title: 'Space Grotesk', 'Inter', system-ui, sans-serif;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 32px;
  --radius-full: 9999px;

  --shadow-card: 0 4px 30px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 40px rgba(61, 88, 67, 0.3);
  --shadow-teal: 0 0 30px rgba(96, 183, 186, 0.2);
  --shadow-blue: 0 0 30px rgba(71, 157, 229, 0.2);

  --transition: 0.25s ease;
}

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

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

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

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

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

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

::-webkit-scrollbar {
  width: 6px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--border-light);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-light);
}

/* ============================================================
   ANIMATED BACKGROUND GRADIENT
============================================================ */
.bg-gradient-animated {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 80% 60% at 10% 20%, rgba(61, 88, 67, 0.18) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 90% 80%, rgba(96, 183, 186, 0.10) 0%, transparent 55%),
    radial-gradient(ellipse 50% 40% at 60% 10%, rgba(71, 157, 229, 0.07) 0%, transparent 50%);
  animation: bgShift 12s ease-in-out infinite alternate;
}

@keyframes bgShift {
  0%   { opacity: 1; }
  50%  { opacity: 0.7; }
  100% { opacity: 1; }
}

.grid-overlay {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
  background-size: 60px 60px;
}

/* ============================================================
   LAYOUT
============================================================ */
.container {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

section {
  position: relative;
  z-index: 1;
}

/* ============================================================
   NAVBAR
============================================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 16px 0;
  transition: background var(--transition), box-shadow var(--transition);
}

.navbar.scrolled {
  background: rgba(17, 22, 21, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--border);
}

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

.navbar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.navbar-logo img {
  width: 36px;
  height: 36px;
  object-fit: contain;
}

.navbar-logo-text {
  font-family: var(--font-title);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.navbar-logo-text span {
  color: var(--accent-teal);
}

.navbar-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.navbar-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition);
}

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

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  background: var(--primary);
  color: var(--text-primary);
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}

.btn-primary:hover {
  background: var(--primary-light);
  transform: translateY(-1px);
  box-shadow: var(--shadow-glow);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  background: transparent;
  color: var(--text-primary);
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
}

.btn-outline:hover {
  background: var(--bg-hover);
  border-color: var(--primary-light);
  transform: translateY(-1px);
}

/* ============================================================
   HERO
============================================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(96, 183, 186, 0.1);
  border: 1px solid rgba(96, 183, 186, 0.25);
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent-teal);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 24px;
  width: fit-content;
}

.hero-badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-teal);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(0.8); }
}

.hero-title {
  font-family: var(--font-title);
  font-size: clamp(2.6rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 24px;
}

.hero-title .highlight {
  background: linear-gradient(135deg, var(--accent-teal) 0%, var(--accent-blue) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 40px;
  max-width: 520px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-hero {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: var(--text-primary);
  font-size: 1rem;
  font-weight: 700;
  border-radius: var(--radius-md);
  transition: transform var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
}

.btn-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--primary-light), var(--accent-teal));
  opacity: 0;
  transition: opacity var(--transition);
}

.btn-hero:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(61, 88, 67, 0.5);
}

.btn-hero:hover::before {
  opacity: 1;
}

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

.hero-stats {
  display: flex;
  gap: 32px;
  margin-top: 48px;
}

.hero-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.hero-stat-value {
  font-family: var(--font-title);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.hero-stat-label {
  font-size: 0.78rem;
  color: var(--text-secondary);
  font-weight: 500;
}

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

/* Hero Visual */
.hero-mockup {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card), var(--shadow-glow);
  animation: floatCard 6s ease-in-out infinite;
}

@keyframes floatCard {
  0%, 100% { transform: translateY(0px); }
  33%       { transform: translateY(-8px); }
  66%       { transform: translateY(-4px); }
}

.mockup-topbar {
  background: var(--bg-card-alt);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid var(--border);
}

.mockup-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.mockup-dot-r { background: #E5484D; }
.mockup-dot-y { background: #F5A623; }
.mockup-dot-g { background: #3D5843; }

.mockup-url {
  flex: 1;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-sm);
  padding: 4px 12px;
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-left: 8px;
}

.mockup-body {
  padding: 20px;
}

.mockup-header {
  font-family: var(--font-title);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.mockup-kpis {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-bottom: 16px;
}

.mockup-kpi {
  background: var(--bg-card-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px;
}

.mockup-kpi-label {
  font-size: 0.68rem;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.mockup-kpi-value {
  font-family: var(--font-title);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-primary);
}

.mockup-kpi-value.danger  { color: var(--accent-red); }
.mockup-kpi-value.warning { color: var(--accent-amber); }
.mockup-kpi-value.success { color: var(--accent-teal); }
.mockup-kpi-value.info    { color: var(--accent-blue); }

.mockup-bar-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.mockup-bar-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.68rem;
  color: var(--text-muted);
}

.mockup-bar-track {
  height: 6px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 3px;
  overflow: hidden;
}

.mockup-bar-fill {
  height: 100%;
  border-radius: 3px;
  animation: barGrow 2s ease forwards;
}

@keyframes barGrow {
  from { width: 0; }
}

.fill-teal    { background: var(--accent-teal); }
.fill-blue    { background: var(--accent-blue); }
.fill-amber   { background: var(--accent-amber); }
.fill-primary { background: var(--primary-light); }

.hero-notif {
  position: absolute;
  bottom: -20px;
  left: -30px;
  background: var(--bg-card);
  border: 1px solid rgba(96, 183, 186, 0.3);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: var(--shadow-teal);
  animation: floatNotif 5s ease-in-out infinite 1.5s;
  min-width: 200px;
}

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

.notif-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: rgba(229, 72, 77, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.notif-text  { font-size: 0.75rem; }
.notif-title { font-weight: 600; color: var(--text-primary); }
.notif-sub   { color: var(--text-muted); margin-top: 1px; }

.hero-ai-badge {
  position: absolute;
  top: -16px;
  right: -20px;
  background: linear-gradient(135deg, var(--primary-dark) 0%, #1A2E24 100%);
  border: 1px solid rgba(96, 183, 186, 0.35);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: var(--shadow-teal);
  animation: floatBadge 4s ease-in-out infinite 0.8s;
}

@keyframes floatBadge {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-5px); }
}

.ai-badge-icon { font-size: 1.2rem; }

.ai-badge-text {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent-teal);
  letter-spacing: 0.04em;
}

/* ============================================================
   SECTION HELPERS
============================================================ */
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 14px;
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.section-tag.teal  { background: rgba(96, 183, 186, 0.1);  border: 1px solid rgba(96, 183, 186, 0.2);  color: var(--accent-teal); }
.section-tag.blue  { background: rgba(71, 157, 229, 0.1);  border: 1px solid rgba(71, 157, 229, 0.2);  color: var(--accent-blue); }
.section-tag.green { background: rgba(61, 88, 67, 0.2);    border: 1px solid rgba(61, 88, 67, 0.4);    color: var(--primary-light); }
.section-tag.amber { background: rgba(245, 166, 35, 0.1);  border: 1px solid rgba(245, 166, 35, 0.2); color: var(--accent-amber); }

.section-title {
  font-family: var(--font-title);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 600px;
}

.section-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border) 30%, var(--border) 70%, transparent);
  margin: 0;
  position: relative;
  z-index: 1;
}

/* ============================================================
   ABOUT
============================================================ */
.about {
  padding: 120px 0;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-visual {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.about-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.about-card:hover {
  border-color: var(--primary-light);
  transform: translateX(4px);
  box-shadow: var(--shadow-glow);
}

.about-card-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.about-card-icon.green { background: rgba(61, 88, 67, 0.3); }
.about-card-icon.teal  { background: rgba(96, 183, 186, 0.15); }
.about-card-icon.blue  { background: rgba(71, 157, 229, 0.15); }
.about-card-icon.amber { background: rgba(245, 166, 35, 0.15); }

.about-card-title {
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
  font-size: 0.95rem;
}

.about-card-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ============================================================
   HOW IT WORKS
============================================================ */
.how {
  padding: 120px 0;
  background: linear-gradient(180deg, transparent 0%, rgba(61, 88, 67, 0.05) 50%, transparent 100%);
}

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

.how-header .section-desc {
  margin: 0 auto;
}

.how-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
}

.how-steps::before {
  content: '';
  position: absolute;
  top: 40px;
  left: calc(12.5% + 20px);
  right: calc(12.5% + 20px);
  height: 1px;
  background: linear-gradient(90deg, var(--primary-light) 0%, var(--accent-teal) 50%, var(--accent-blue) 100%);
  opacity: 0.4;
}

.how-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 16px;
}

.how-step-num {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 2px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin-bottom: 24px;
  position: relative;
  z-index: 1;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.how-step:hover .how-step-num {
  border-color: var(--accent-teal);
  box-shadow: var(--shadow-teal);
  transform: scale(1.08);
}

.how-step-title {
  font-family: var(--font-title);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.how-step-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ============================================================
   FEATURES
============================================================ */
.features {
  padding: 120px 0;
}

.features-header {
  margin-bottom: 64px;
}

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

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

.feature-card::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity var(--transition);
  border-radius: inherit;
}

.feature-card.c-teal::before  { background: radial-gradient(ellipse at top left, rgba(96, 183, 186, 0.08), transparent 60%); }
.feature-card.c-blue::before  { background: radial-gradient(ellipse at top left, rgba(71, 157, 229, 0.08), transparent 60%); }
.feature-card.c-green::before { background: radial-gradient(ellipse at top left, rgba(61, 88, 67, 0.12), transparent 60%); }
.feature-card.c-amber::before { background: radial-gradient(ellipse at top left, rgba(245, 166, 35, 0.08), transparent 60%); }

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card);
}

.feature-card:hover::before          { opacity: 1; }
.feature-card.c-teal:hover  { border-color: rgba(96, 183, 186, 0.4); }
.feature-card.c-blue:hover  { border-color: rgba(71, 157, 229, 0.4); }
.feature-card.c-green:hover { border-color: rgba(61, 88, 67, 0.5); }
.feature-card.c-amber:hover { border-color: rgba(245, 166, 35, 0.4); }

.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
}

.feature-icon.teal  { background: rgba(96, 183, 186, 0.12); }
.feature-icon.blue  { background: rgba(71, 157, 229, 0.12); }
.feature-icon.green { background: rgba(61, 88, 67, 0.25); }
.feature-icon.amber { background: rgba(245, 166, 35, 0.12); }

.feature-title {
  font-family: var(--font-title);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
  position: relative;
  z-index: 1;
}

.feature-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
  position: relative;
  z-index: 1;
}

.feature-card.big {
  grid-column: span 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: center;
}

.feature-visual {
  background: var(--bg-card-alt);
  border-radius: var(--radius-md);
  padding: 20px;
  border: 1px solid var(--border);
}

.alert-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.alert-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.03);
  font-size: 0.78rem;
}

.alert-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.dot-red   { background: var(--accent-red); }
.dot-amber { background: var(--accent-amber); }
.dot-teal  { background: var(--accent-teal); }

.alert-zone {
  flex: 1;
  color: var(--text-primary);
  font-weight: 500;
}

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

.alert-status {
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.68rem;
  font-weight: 600;
}

.status-nueva    { background: rgba(229, 72, 77, 0.15);  color: var(--accent-red); }
.status-asignada { background: rgba(245, 166, 35, 0.15); color: var(--accent-amber); }
.status-resuelta { background: rgba(96, 183, 186, 0.15); color: var(--accent-teal); }

/* ============================================================
   OBJECTIVES / BENEFICIOS
============================================================ */
.objectives {
  padding: 120px 0;
  background: linear-gradient(180deg, transparent 0%, rgba(61, 88, 67, 0.06) 40%, transparent 100%);
}

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

.objectives-header .section-desc {
  margin: 0 auto;
}

.obj-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.obj-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.obj-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary-light);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3), 0 0 20px rgba(61, 88, 67, 0.15);
}

.obj-num {
  font-family: var(--font-title);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent-teal);
  letter-spacing: 0.1em;
}

.obj-icon { font-size: 2rem; }

.obj-title {
  font-family: var(--font-title);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
}

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

/* ============================================================
   ARCHITECTURE
============================================================ */
.arch {
  padding: 80px 0;
}

.arch-diagram {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 48px;
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 0;
  align-items: center;
}

.arch-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 12px;
  padding: 24px 16px;
}

.arch-node-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  border: 1px solid var(--border-light);
  background: var(--bg-card-alt);
}

.arch-node-title {
  font-weight: 700;
  color: var(--text-primary);
  font-size: 0.9rem;
}

.arch-node-sub {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.arch-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 12px;
  position: relative;
  width: 60px;
}

.arch-arrow-line {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, var(--accent-teal), var(--accent-blue));
  opacity: 0.5;
}

/* ============================================================
   WHY TRASHFLOW (reemplaza Tech Stack)
============================================================ */
.why {
  padding: 120px 0;
}

.why-header {
  margin-bottom: 64px;
}

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

.why-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
}

.why-card::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity var(--transition);
  border-radius: inherit;
}

.why-card.c-teal::before  { background: radial-gradient(ellipse at top left, rgba(96, 183, 186, 0.08), transparent 60%); }
.why-card.c-blue::before  { background: radial-gradient(ellipse at top left, rgba(71, 157, 229, 0.08), transparent 60%); }
.why-card.c-green::before { background: radial-gradient(ellipse at top left, rgba(61, 88, 67, 0.12), transparent 60%); }
.why-card.c-amber::before { background: radial-gradient(ellipse at top left, rgba(245, 166, 35, 0.08), transparent 60%); }

.why-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-card);
}

.why-card:hover::before { opacity: 1; }
.why-card.c-teal:hover  { border-color: rgba(96, 183, 186, 0.4); }
.why-card.c-blue:hover  { border-color: rgba(71, 157, 229, 0.4); }
.why-card.c-green:hover { border-color: rgba(61, 88, 67, 0.5); }
.why-card.c-amber:hover { border-color: rgba(245, 166, 35, 0.4); }

.why-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  position: relative;
  z-index: 1;
}

.why-icon.teal  { background: rgba(96, 183, 186, 0.12); }
.why-icon.blue  { background: rgba(71, 157, 229, 0.12); }
.why-icon.green { background: rgba(61, 88, 67, 0.25); }
.why-icon.amber { background: rgba(245, 166, 35, 0.12); }

.why-title {
  font-family: var(--font-title);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  position: relative;
  z-index: 1;
}

.why-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
  position: relative;
  z-index: 1;
}

/* ============================================================
   IMPACT
============================================================ */
.impact {
  padding: 100px 0;
}

.impact-inner {
  background: linear-gradient(135deg, var(--primary-dark) 0%, #1A2E24 50%, #112820 100%);
  border: 1px solid rgba(61, 88, 67, 0.4);
  border-radius: var(--radius-xl);
  padding: 64px 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.impact-inner::before {
  content: '';
  position: absolute;
  top: -80px;
  right: -80px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(96, 183, 186, 0.12) 0%, transparent 70%);
}

.impact-inner::after {
  content: '';
  position: absolute;
  bottom: -60px;
  left: -60px;
  width: 250px;
  height: 250px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(71, 157, 229, 0.08) 0%, transparent 70%);
}

.impact-stats {
  display: grid;
  grid-template-columns: 1fr 1px 1fr 1px 1fr 1px 1fr;
  gap: 32px;
  margin-top: 56px;
  position: relative;
  z-index: 1;
  align-items: center;
}

.impact-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.impact-stat-value {
  font-family: var(--font-title);
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1;
}

.impact-stat-label {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
  font-weight: 500;
}

.impact-divider {
  background: rgba(255, 255, 255, 0.08);
  align-self: stretch;
  min-height: 60px;
}

/* ============================================================
   CTA & FOOTER
============================================================ */
.cta-section {
  padding: 120px 0;
}

.cta-inner {
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
}

.cta-title {
  font-family: var(--font-title);
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

.cta-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-bottom: 40px;
  line-height: 1.7;
}

.cta-buttons {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
}

.btn-xl {
  padding: 16px 36px;
  font-size: 1rem;
  font-weight: 700;
  border-radius: var(--radius-md);
}

.btn-green-xl {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: var(--text-primary);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition: transform var(--transition), box-shadow var(--transition);
}

.btn-green-xl:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(61, 88, 67, 0.5);
}

.footer {
  padding: 48px 0;
  border-top: 1px solid var(--border);
}

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

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-logo img {
  width: 28px;
  height: 28px;
  object-fit: contain;
  opacity: 0.7;
}

.footer-logo-text {
  font-family: var(--font-title);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-secondary);
}

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

.footer-links {
  display: flex;
  gap: 24px;
}

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

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

/* ============================================================
   SCROLL ANIMATIONS
============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.revealed {
  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-content {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    display: none;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .how-steps {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }

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

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

  .feature-card.big {
    grid-column: span 2;
  }

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

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

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

  .impact-divider {
    display: none;
  }

  .impact-inner {
    padding: 48px 32px;
  }

  .arch-diagram {
    grid-template-columns: 1fr;
  }

  .arch-arrow {
    display: none;
  }
}

@media (max-width: 768px) {
  .navbar-links {
    display: none;
  }

  .hero {
    padding: 100px 0 60px;
  }

  .hero-stats {
    flex-direction: column;
    gap: 16px;
  }

  .hero-stat-divider {
    display: none;
  }

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

  .feature-card.big {
    grid-column: span 1;
    display: flex;
    flex-direction: column;
  }

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

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

  .how-steps {
    grid-template-columns: 1fr;
  }

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

  .footer-inner {
    flex-direction: column;
    gap: 24px;
    text-align: center;
  }

  .footer-links {
    flex-wrap: wrap;
    justify-content: center;
  }

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