/* ==========================================================================
   ScotyaLoyalty -- Landing "El Sello"
   Papel calido por defecto | Tinta de sello terracota | <40 KB
   Tokens compartidos: css/tokens.css (design/tokens.css es la fuente
   autorizada -- ver Ficha de Proposito, 2026-08-23)
   ========================================================================== */

:root {
  --r-full: 9999px;
  --shadow-sm: 0 1px 2px rgba(43, 32, 21, 0.08);
  --shadow-md: 0 4px 12px rgba(43, 32, 21, 0.12);
  --shadow-lg: 0 12px 28px rgba(43, 32, 21, 0.16);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  color-scheme: light;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--bg);
  color: var(--ink-1);
  font-family: var(--font-human);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
  -webkit-font-smoothing: antialiased;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* --- Typography Helpers --- */
.gradient-text {
  color: var(--signal);
  font-family: var(--font-voice);
  display: inline-block;
}

.section-tag {
  display: inline-flex;
  margin-bottom: 14px;
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 56px auto;
}

.section-title {
  font-family: var(--font-voice);
  font-size: 2.35rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.2;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.1rem;
  color: var(--ink-2);
}

/* --- Badges --- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: var(--r-full);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.badge-primary {
  background: var(--signal-weak);
  color: var(--signal);
  border: 1px solid var(--signal);
}

.badge-success {
  background: var(--state-success-bg);
  color: var(--state-success);
  border: 1px solid var(--state-success);
}

.badge-warning {
  background: var(--state-warning-bg);
  color: var(--state-warning);
  border: 1px solid var(--state-warning);
}

.badge-info {
  background: var(--state-info-bg);
  color: var(--state-info);
  border: 1px solid var(--state-info);
}

.badge-pulse::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
  animation: pulseDot 2s infinite ease-in-out;
}

@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.75); }
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: var(--r-md);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition-fast);
  outline: none;
  position: relative;
  user-select: none;
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background: var(--signal);
  color: var(--text-on-signal);
  border-color: var(--signal);
}

.btn-primary:hover {
  filter: brightness(1.12);
  box-shadow: 0 6px 22px var(--signal-weak);
  transform: translateY(-2px);
}

.btn-secondary {
  background: var(--surface-2);
  color: var(--ink-1);
  border-color: var(--line);
}

.btn-secondary:hover {
  background: var(--surface-2);
  border-color: var(--signal);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--ink-1);
  border-color: var(--line);
}

.btn-outline:hover {
  border-color: var(--signal);
  background: rgba(var(--signal-rgb), 0.08);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.85rem;
  border-radius: var(--r-sm);
}

.btn-lg {
  padding: 15px 30px;
  font-size: 1.05rem;
  border-radius: var(--r-lg);
}

.btn-block {
  width: 100%;
}

/* --- Header & Nav --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
  padding: 14px 0;
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand-monogram {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.monogram-icon {
  width: 38px;
  height: 38px;
  display: block;
}

.brand-title {
  display: flex;
  flex-direction: column;
}

.logo-main {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--ink-1);
  letter-spacing: -0.02em;
}

.logo-sub {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--signal);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 28px;
  align-items: center;
}

.nav-link {
  color: var(--ink-2);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  transition: color var(--transition-fast);
}

.nav-link:hover {
  color: var(--ink-1);
}

.nav-link-corp {
  color: var(--ink-3);
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: var(--r-sm);
  background: var(--surface-1);
}

.nav-link-corp:hover {
  color: var(--ink-1);
  background: var(--surface-2);
}

/* --- Hero Section --- */
.hero-section {
  padding: 80px 0 60px 0;
  text-align: center;
}

.hero-tagline-wrap {
  margin-bottom: 20px;
}

.hero-title {
  font-family: var(--font-voice);
  font-size: 3.2rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.15;
  margin-bottom: 22px;
  max-width: 950px;
  margin-left: auto;
  margin-right: auto;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--ink-2);
  max-width: 780px;
  margin: 0 auto 36px auto;
  line-height: 1.6;
}

.hero-ctas {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 50px;
}

/* --- Metrics Grid --- */
.metrics-section {
  padding: 20px 0 70px 0;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.metric-card {
  background: var(--surface-1);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 26px 20px;
  text-align: center;
  transition: all var(--transition-base);
}

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

.metric-value {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--ink-1);
  margin: 10px 0 4px 0;
  letter-spacing: -0.03em;
}

.metric-label {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--signal);
  margin-bottom: 6px;
}

.metric-desc {
  font-size: 0.82rem;
  color: var(--ink-3);
  line-height: 1.4;
}

/* --- 3-Tier Service Architecture Cards --- */
.services-section {
  padding: 70px 0;
  position: relative;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  align-items: stretch;
}

.service-card {
  background: var(--surface-1);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 36px 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  transition: all var(--transition-base);
}

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

.service-card.featured {
  background: var(--surface-1);
  border: 2px solid var(--signal);
}

.featured-ribbon {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--signal);
  color: var(--text-on-signal);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  padding: 5px 16px;
  border-radius: var(--r-full);
  text-transform: uppercase;
}

.service-header {
  margin-bottom: 24px;
}

.service-icon-box {
  width: 52px;
  height: 52px;
  border-radius: var(--r-md);
  background: var(--surface-2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.7rem;
  margin-bottom: 18px;
  border: 1px solid var(--line);
}

.service-title {
  font-family: var(--font-voice);
  font-size: 1.45rem;
  font-weight: 600;
  color: var(--ink-1);
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.service-plan-tag {
  display: inline-block;
  font-family: var(--font-machine);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--signal);
  background: var(--signal-weak);
  border: 1px solid var(--signal);
  border-radius: var(--r-sm);
  padding: 2px 7px;
  margin-left: 8px;
  vertical-align: middle;
}

.service-price {
  font-size: 1.6rem;
  color: var(--ink-1);
  margin: 2px 0 10px;
}

.service-price strong {
  font-family: var(--font-voice);
  font-weight: 600;
}

.service-subtitle {
  font-size: 0.88rem;
  color: var(--ink-2);
  line-height: 1.5;
  min-height: 42px;
}

.service-domain-box {
  background: var(--surface-2);
  border: 1px dashed var(--line);
  border-radius: var(--r-md);
  padding: 12px 14px;
  margin: 18px 0 24px 0;
  font-family: var(--font-machine);
  font-size: 0.8rem;
  color: var(--signal);
  display: flex;
  align-items: center;
  gap: 8px;
}

.service-features-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
}

.service-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--ink-2);
  line-height: 1.45;
}

.feature-check {
  color: var(--state-success);
  font-weight: 900;
  font-size: 1rem;
  flex-shrink: 0;
}

.service-footer {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.service-note {
  font-size: 0.78rem;
  color: var(--ink-3);
  text-align: center;
}

/* --- Live Demo Preview Section --- */
.demo-preview-section {
  padding: 70px 0;
  background: var(--surface-1);
}

.demo-showcase-box {
  background: var(--surface-1);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 40px;
  box-shadow: var(--shadow-lg);
}

.demo-selector-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 30px;
  gap: 16px;
  flex-wrap: wrap;
}

.demo-pills {
  display: flex;
  gap: 10px;
}

.demo-pill-btn {
  background: var(--surface-2);
  border: 1px solid var(--line);
  color: var(--ink-2);
  padding: 10px 18px;
  border-radius: var(--r-md);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all var(--transition-fast);
}

.demo-pill-btn:hover {
  background: var(--surface-2);
  color: var(--ink-1);
  border-color: var(--signal);
}

.demo-pill-btn.active {
  background: var(--signal-weak);
  border-color: var(--signal);
  color: var(--ink-1);
}

.demo-phone-container {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 48px;
  align-items: center;
}

/* Mock Phone Frame */
.mock-phone {
  background: #2B2A28;
  border: 3px solid #38352F;
  border-radius: 36px;
  padding: 16px;
  box-shadow: var(--shadow-lg);
  position: relative;
  max-width: 340px;
  margin: 0 auto;
}

.mock-screen {
  background: var(--bg);
  border-radius: 26px;
  padding: 20px 16px;
  min-height: 480px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border: 1px solid var(--line);
}

.mock-card-header {
  text-align: center;
  margin-bottom: 16px;
}

.mock-card-logo {
  font-size: 2rem;
  margin-bottom: 4px;
}

.mock-card-name {
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--ink-1);
}

.mock-card-reward {
  font-size: 0.78rem;
  color: var(--signal);
  font-weight: 600;
}

/* Stamp Grid inside Mock */
.mock-stamp-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin: 16px 0;
}

.mock-stamp {
  aspect-ratio: 1;
  border-radius: 12px;
  background: var(--surface-1);
  border: 1px dashed var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  color: var(--ink-3);
  font-weight: 700;
  transition: all var(--transition-fast);
}

.mock-stamp.stamped {
  background: var(--signal);
  border: none;
  color: var(--text-on-signal);
  font-size: 1.1rem;
}

.mock-card-footer {
  background: var(--surface-2);
  border-radius: var(--r-md);
  padding: 12px;
  text-align: center;
}

.mock-qr-preview {
  width: 90px;
  height: 90px;
  margin: 0 auto 8px auto;
  background: #FFFFFF;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #000000;
  font-size: 0.7rem;
  font-weight: bold;
}

/* Demo Details Right Column */
.demo-details {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.demo-details-title {
  font-size: 1.8rem;
  font-weight: 800;
  font-family: var(--font-voice);
  color: var(--ink-1);
  letter-spacing: -0.01em;
}

.demo-details-text {
  font-size: 1.05rem;
  color: var(--ink-2);
  line-height: 1.6;
}

.demo-perks-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.demo-perk-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  color: var(--ink-1);
}

.perk-bullet {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--signal);
}

.demo-cta-box {
  margin-top: 10px;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* --- Features Showcase Section --- */
.features-section {
  padding: 70px 0;
}

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

.feature-box {
  background: var(--surface-1);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 30px 24px;
  transition: all var(--transition-base);
}

.feature-box:hover {
  border-color: var(--signal);
  transform: translateY(-4px);
  background: var(--surface-2);
}

.feature-box-icon {
  font-size: 2rem;
  margin-bottom: 16px;
}

.feature-box-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--ink-1);
  margin-bottom: 10px;
}

.feature-box-desc {
  font-size: 0.9rem;
  color: var(--ink-2);
  line-height: 1.5;
}

/* --- FAQ Section --- */
.faq-section {
  padding: 70px 0;
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 1000px;
  margin: 0 auto;
}

.faq-card {
  background: var(--surface-1);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 26px;
}

.faq-q {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--ink-1);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.faq-a {
  font-size: 0.92rem;
  color: var(--ink-2);
  line-height: 1.6;
}

/* --- Corporate Footer --- */
.site-footer {
  border-top: 1px solid var(--line);
  background: var(--surface-1);
  padding: 60px 0 30px 0;
  margin-top: 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand-title {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--ink-1);
  margin-bottom: 12px;
}

.footer-desc {
  font-size: 0.88rem;
  color: var(--ink-3);
  line-height: 1.6;
  max-width: 320px;
}

.footer-col-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--ink-1);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-link {
  color: var(--ink-3);
  text-decoration: none;
  font-size: 0.88rem;
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--ink-1);
}

.footer-bottom {
  border-top: 1px solid var(--line);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: var(--ink-3);
}

/* --- Responsive Media Queries --- */
@media (max-width: 1024px) {
  .hero-title { font-size: 2.6rem; }
  .services-grid { grid-template-columns: 1fr; max-width: 580px; margin: 0 auto; }
  .metrics-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .demo-phone-container { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .hero-title { font-size: 2.1rem; }
  .hero-subtitle { font-size: 1.05rem; }
  .metrics-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .faq-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .demo-selector-bar { flex-direction: column; align-items: flex-start; }
}