:root {
  --sz-bg: #14201A;
  --sz-sub: #0C130F;
  --sz-card: #0F1914;
  --sz-card-hover: #13221b;
  --sz-border: #2B3A31;
  --sz-border-light: #3d5045;
  --sz-accent: #5EC2A0;
  --sz-accent-hover: #79dbb9;
  --sz-accent-glow: rgba(94, 194, 160, 0.2);
  --sz-accent-dim: rgba(94, 194, 160, 0.1);
  --sz-verdigris: #2F8F74;
  --sz-sage: #8AA198;
  --sz-bone: #F2F0EA;
  --sz-wa-green: #25D366;
  --sz-font-sans: 'Archivo', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --sz-font-mono: 'IBM Plex Mono', monospace;
}

*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  margin: 0;
  background-color: var(--sz-bg);
  color: var(--sz-bone);
  font-family: var(--sz-font-sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Typography Helpers */
.font-mono {
  font-family: var(--sz-font-mono);
}

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

.text-sage {
  color: var(--sz-sage) !important;
}

.text-bone {
  color: var(--sz-bone) !important;
}

.text-verdigris {
  color: var(--sz-verdigris) !important;
}

.bg-glasshouse {
  background-color: var(--sz-bg) !important;
}

.bg-substrate {
  background-color: var(--sz-sub) !important;
}

.bg-card {
  background-color: var(--sz-card) !important;
}

.border-sz {
  border-color: var(--sz-border) !important;
}

/* Background Grids & Patterns */
.bg-grid-ambient {
  background-image: 
    radial-gradient(ellipse 70% 50% at 50% -20%, rgba(94, 194, 160, 0.15), transparent 70%),
    linear-gradient(to bottom, rgba(20, 32, 26, 0.7), rgba(20, 32, 26, 0.98)),
    url('../assets/truss-pattern.svg');
  background-repeat: no-repeat, no-repeat, repeat;
  background-size: 100% 600px, 100% 100%, 90px 40px;
}

.bg-truss-subtle {
  background-image: 
    linear-gradient(to bottom, rgba(12, 19, 15, 0.94), rgba(12, 19, 15, 0.97)),
    url('../assets/truss-pattern.svg');
  background-repeat: no-repeat, repeat;
  background-size: 100% 100%, 90px 40px;
}

/* Navbar */
.sz-navbar {
  background: rgba(20, 32, 26, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--sz-border);
  transition: all 0.3s ease;
  z-index: 1040;
}

.sz-navbar.scrolled {
  background: rgba(12, 19, 15, 0.96);
  border-bottom-color: var(--sz-border-light);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

.sz-brand-link {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  color: var(--sz-bone);
}

.sz-brand-link:hover .sz-brand-wordmark {
  color: #ffffff;
}

.sz-brand-mark-svg {
  width: 52px;
  height: 33px;
  flex-shrink: 0;
  transition: transform 0.3s ease;
}

.sz-brand-link:hover .sz-brand-mark-svg {
  transform: scale(1.04);
}

.sz-brand-wordmark {
  font-size: 22px;
  letter-spacing: 0.2em;
  line-height: 1;
  text-indent: 0.2em;
  font-weight: 600;
  color: var(--sz-bone);
  transition: color 0.2s ease;
}

.sz-brand-wordmark span {
  font-weight: 500;
}

.nav-link.sz-nav-link {
  color: var(--sz-sage);
  font-family: var(--sz-font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 8px 14px;
  border-radius: 4px;
  transition: all 0.2s ease;
}

.nav-link.sz-nav-link:hover,
.nav-link.sz-nav-link.active {
  color: var(--sz-bone);
  background: var(--sz-accent-dim);
}

/* Pulsing Status Badge */
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(94, 194, 160, 0.08);
  border: 1px solid rgba(94, 194, 160, 0.28);
  border-radius: 30px;
  font-family: var(--sz-font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--sz-accent);
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--sz-accent);
  box-shadow: 0 0 10px var(--sz-accent);
  animation: pulseDot 2s infinite ease-in-out;
}

@keyframes pulseDot {
  0% {
    transform: scale(0.9);
    opacity: 0.7;
    box-shadow: 0 0 4px var(--sz-accent);
  }
  50% {
    transform: scale(1.25);
    opacity: 1;
    box-shadow: 0 0 12px var(--sz-accent);
  }
  100% {
    transform: scale(0.9);
    opacity: 0.7;
    box-shadow: 0 0 4px var(--sz-accent);
  }
}

/* Buttons */
.btn-sz-accent {
  background-color: var(--sz-accent);
  color: #0C130F !important;
  font-family: var(--sz-font-sans);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.04em;
  padding: 13px 26px;
  border-radius: 6px;
  border: 1px solid var(--sz-accent);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  transition: all 0.25s ease;
  box-shadow: 0 4px 18px rgba(94, 194, 160, 0.25);
}

.btn-sz-accent:hover {
  background-color: var(--sz-accent-hover);
  border-color: var(--sz-accent-hover);
  color: #0C130F !important;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(94, 194, 160, 0.38);
}

.btn-sz-outline {
  background-color: transparent;
  color: var(--sz-bone) !important;
  font-family: var(--sz-font-sans);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.04em;
  padding: 13px 26px;
  border-radius: 6px;
  border: 1px solid var(--sz-border);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  transition: all 0.25s ease;
}

.btn-sz-outline:hover {
  background-color: rgba(242, 240, 234, 0.06);
  border-color: var(--sz-sage);
  color: #ffffff !important;
  transform: translateY(-2px);
}

.btn-sz-whatsapp {
  background-color: #25D366;
  color: #0C130F !important;
  font-family: var(--sz-font-sans);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.04em;
  padding: 13px 26px;
  border-radius: 6px;
  border: 1px solid #25D366;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  transition: all 0.25s ease;
  box-shadow: 0 4px 18px rgba(37, 211, 102, 0.28);
}

.btn-sz-whatsapp:hover {
  background-color: #20BA5A;
  border-color: #20BA5A;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.42);
  color: #0C130F !important;
}

.btn-sz-phone {
  background-color: #0C130F;
  color: var(--sz-bone) !important;
  font-family: var(--sz-font-sans);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.04em;
  padding: 13px 26px;
  border-radius: 6px;
  border: 1px solid var(--sz-border);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  transition: all 0.25s ease;
}

.btn-sz-phone:hover {
  background-color: #16241c;
  border-color: var(--sz-accent);
  color: var(--sz-accent) !important;
  transform: translateY(-2px);
}

/* Hero Section */
.hero-title {
  font-size: clamp(34px, 5.2vw, 68px);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--sz-bone);
  margin-bottom: 24px;
}

.hero-subtitle {
  font-size: clamp(17px, 2vw, 20px);
  line-height: 1.65;
  color: #C9D5CE;
  max-width: 780px;
}

.hero-highlight-tag {
  display: inline-block;
  font-family: var(--sz-font-mono);
  font-size: clamp(14px, 1.4vw, 17px);
  font-weight: 500;
  color: var(--sz-accent);
  background: rgba(94, 194, 160, 0.08);
  border-left: 3px solid var(--sz-accent);
  padding: 12px 18px;
  margin: 20px 0;
  border-radius: 0 6px 6px 0;
}

.hero-visual-card {
  background: var(--sz-sub);
  border: 1px solid var(--sz-border);
  border-radius: 12px;
  padding: 36px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
}

.hero-visual-card::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 60% 40%, rgba(94, 194, 160, 0.07), transparent 60%);
  pointer-events: none;
}

.hero-stat-badge {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(20, 32, 26, 0.6);
  border: 1px solid var(--sz-border);
  border-radius: 8px;
  padding: 12px 16px;
  font-size: 13px;
  color: var(--sz-sage);
}

.hero-stat-badge strong {
  color: var(--sz-bone);
  font-size: 14px;
  display: block;
}

/* Section Header */
.section-meta-label {
  font-family: var(--sz-font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--sz-accent);
  margin-bottom: 12px;
  display: inline-block;
}

.section-title {
  font-size: clamp(28px, 3.8vw, 44px);
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.2;
  color: var(--sz-bone);
  margin-bottom: 16px;
}

.section-lead {
  font-size: 17px;
  line-height: 1.6;
  color: var(--sz-sage);
  max-width: 680px;
}

/* Cards & Grid */
.sz-card {
  background-color: var(--sz-card);
  border: 1px solid var(--sz-border);
  border-radius: 10px;
  padding: 32px 28px;
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
}

.sz-card:hover {
  background-color: var(--sz-card-hover);
  border-color: var(--sz-accent);
  transform: translateY(-4px);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.45), 0 0 20px rgba(94, 194, 160, 0.1);
}

.sz-card-index {
  font-family: var(--sz-font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--sz-accent);
  background: var(--sz-accent-dim);
  border: 1px solid rgba(94, 194, 160, 0.2);
  padding: 4px 10px;
  border-radius: 4px;
  display: inline-block;
  margin-bottom: 18px;
}

.sz-card-title {
  font-size: 21px;
  font-weight: 600;
  color: var(--sz-bone);
  margin-bottom: 14px;
  line-height: 1.3;
}

.sz-card-desc {
  font-size: 15px;
  line-height: 1.65;
  color: #C1CFC7;
  margin-bottom: 20px;
}

.sz-card-list {
  list-style: none;
  padding: 0;
  margin: 0 0 24px 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 14px;
  color: var(--sz-sage);
}

.sz-card-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  line-height: 1.5;
}

.sz-card-list li i {
  color: var(--sz-accent);
  font-size: 14px;
  margin-top: 3px;
  flex-shrink: 0;
}

.sz-card-list li span {
  color: #DDE6E1;
}

.sz-card-note {
  font-size: 13px;
  color: var(--sz-sage);
  background: rgba(12, 19, 15, 0.7);
  border: 1px dashed var(--sz-border);
  border-radius: 6px;
  padding: 10px 14px;
  margin-top: auto;
  margin-bottom: 16px;
}

.sz-card-action {
  font-family: var(--sz-font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--sz-accent);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
  margin-top: auto;
  transition: gap 0.2s ease, color 0.2s ease;
}

.sz-card-action:hover {
  color: var(--sz-accent-hover);
  gap: 12px;
}

/* Process Steps */
.step-card {
  background: var(--sz-sub);
  border: 1px solid var(--sz-border);
  border-radius: 10px;
  padding: 32px 26px;
  position: relative;
  height: 100%;
  transition: all 0.3s ease;
}

.step-card:hover {
  border-color: var(--sz-accent);
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.4);
}

.step-number {
  font-family: var(--sz-font-mono);
  font-size: 32px;
  font-weight: 500;
  color: rgba(94, 194, 160, 0.4);
  line-height: 1;
  margin-bottom: 16px;
}

.step-title {
  font-size: 19px;
  font-weight: 600;
  color: var(--sz-bone);
  margin-bottom: 12px;
}

.step-desc {
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--sz-sage);
  margin-bottom: 0;
}

/* B2C vs B2B Cards */
.audience-card {
  background: var(--sz-card);
  border: 1px solid var(--sz-border);
  border-radius: 12px;
  padding: 40px 36px;
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: all 0.3s ease;
}

.audience-card.featured {
  border-color: var(--sz-accent);
  background: linear-gradient(170deg, #11241c 0%, #0c1511 100%);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
}

.audience-card:hover {
  transform: translateY(-4px);
}

.audience-badge {
  font-family: var(--sz-font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--sz-accent);
  margin-bottom: 16px;
  display: inline-block;
}

.audience-title {
  font-size: 24px;
  font-weight: 600;
  color: var(--sz-bone);
  margin-bottom: 16px;
}

.audience-desc {
  font-size: 15.5px;
  line-height: 1.7;
  color: #C9D5CE;
  margin-bottom: 24px;
}

/* Coverage Banner */
.coverage-box {
  background: linear-gradient(135deg, #14241d 0%, #0c1511 100%);
  border: 1px solid var(--sz-border);
  border-radius: 12px;
  padding: clamp(32px, 4vw, 56px);
  position: relative;
  overflow: hidden;
}

.coverage-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--sz-accent), transparent);
}

/* Contact Hub / Direct Actions (No Forms) */
.contact-hub-card {
  background: var(--sz-sub);
  border: 1px solid var(--sz-border);
  border-radius: 12px;
  padding: clamp(32px, 5vw, 64px);
  text-align: center;
  position: relative;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5);
}

.contact-action-card {
  background: var(--sz-card);
  border: 1px solid var(--sz-border);
  border-radius: 10px;
  padding: 28px 24px;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  text-decoration: none;
  color: var(--sz-bone);
  transition: all 0.25s ease;
}

.contact-action-card:hover {
  background: var(--sz-card-hover);
  border-color: var(--sz-accent);
  transform: translateY(-4px);
  color: var(--sz-bone);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
}

.contact-action-icon {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: var(--sz-accent-dim);
  border: 1px solid rgba(94, 194, 160, 0.25);
  color: var(--sz-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  margin-bottom: 20px;
  transition: all 0.25s ease;
}

.contact-action-card:hover .contact-action-icon {
  background: var(--sz-accent);
  color: #0C130F;
  transform: scale(1.08);
}

.contact-action-card.whatsapp:hover .contact-action-icon {
  background: #25D366;
  border-color: #25D366;
  color: #0C130F;
}

.contact-action-label {
  font-family: var(--sz-font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--sz-sage);
  margin-bottom: 8px;
}

.contact-action-value {
  font-size: 19px;
  font-weight: 600;
  color: var(--sz-bone);
  margin-bottom: 12px;
  word-break: break-word;
}

.contact-action-btn-text {
  font-family: var(--sz-font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--sz-accent);
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: auto;
}

/* Copy email button */
.copy-btn {
  background: rgba(242, 240, 234, 0.06);
  border: 1px solid var(--sz-border);
  color: var(--sz-sage);
  font-family: var(--sz-font-mono);
  font-size: 11px;
  padding: 4px 10px;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s ease;
  margin-top: 8px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.copy-btn:hover {
  background: rgba(94, 194, 160, 0.15);
  color: var(--sz-accent);
  border-color: var(--sz-accent);
}

/* Footer */
.sz-footer {
  background-color: var(--sz-sub);
  border-top: 1px solid var(--sz-border);
  padding: 60px 0 36px;
  color: var(--sz-sage);
  font-size: 14px;
}

.sz-footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.sz-footer-links a {
  color: var(--sz-sage);
  text-decoration: none;
  transition: color 0.2s ease;
}

.sz-footer-links a:hover {
  color: var(--sz-bone);
}

/* Mobile Sticky Contact Bar */
.sz-mobile-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(12, 19, 15, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--sz-border);
  padding: 10px 16px;
  z-index: 1030;
  box-shadow: 0 -8px 24px rgba(0, 0, 0, 0.4);
}

@media (max-width: 767.98px) {
  .sz-mobile-bar {
    display: flex;
    gap: 12px;
  }
  
  body {
    padding-bottom: 74px; /* clearance for sticky bar */
  }

  .hero-visual-card {
    padding: 24px 18px;
  }

  .audience-card {
    padding: 28px 22px;
  }

  .contact-hub-card {
    padding: 32px 18px;
  }
}

/* Toast alert for email copy */
.copy-toast {
  position: fixed;
  bottom: 84px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--sz-card);
  border: 1px solid var(--sz-accent);
  color: var(--sz-bone);
  padding: 10px 20px;
  border-radius: 30px;
  font-family: var(--sz-font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s ease;
  z-index: 1060;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.copy-toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}