/* ==========================================================================
   ByteC — Landing Page FielApp (Gestão Financeira para Igrejas)
   Design Language: Space Grotesk + DM Mono
   ByteC Core Palette: Ink (#11100f), Paper (#f1eee7), Signal Orange (#ff4d00), Lime (#d7f458)
   FielApp Product Accents: Royal Church Blue (#0056d2), Gold (#f59e0b), Emerald (#10b981), Cyan (#06b6d4), Purple (#8b5cf6)
   ========================================================================== */

:root {
  /* ByteC Brand Core Tokens */
  --ink: #11100f;
  --paper: #f1eee7;
  --signal: #ff4d00;
  --lime: #d7f458;
  --line: rgba(241, 238, 231, 0.18);
  --muted: #aaa69f;
  --card-bg: #1c1b19;
  --sans: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
  --mono: 'DM Mono', monospace;

  /* FielApp Product Specific Tokens */
  --fiel-blue: #0056d2;
  --fiel-blue-hover: #0043a8;
  --fiel-blue-light: rgba(0, 86, 210, 0.12);
  --fiel-blue-border: rgba(0, 86, 210, 0.35);
  --fiel-gold: #f59e0b;
  --fiel-emerald: #10b981;
  --fiel-rose: #ef4444;
  --fiel-cyan: #06b6d4;
  --fiel-purple: #8b5cf6;
  --fiel-whatsapp: #25d366;
  --surface-elevated: #232220;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}

.shell {
  width: min(1200px, calc(100% - 48px));
  margin: auto;
}

/* ---------------- HEADER ---------------- */
header.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(17, 16, 15, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
  transition: background 0.3s, border-color 0.3s;
}

.header-inner {
  width: min(1200px, calc(100% - 48px));
  margin: auto;
  height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: inherit;
  text-decoration: none;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -1.4px;
}

.brand b {
  display: inline-grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--signal);
  color: var(--ink);
  font: 600 13.5px/1 var(--mono);
  letter-spacing: -1.2px;
  text-indent: -1px;
}

.brand-product {
  padding-left: 14px;
  border-left: 1px solid var(--line);
  font: 600 11px var(--mono);
  letter-spacing: 0.12em;
  color: var(--fiel-gold);
  display: flex;
  align-items: center;
  gap: 6px;
}

.brand-product span.badge-app {
  background: var(--fiel-blue);
  color: #ffffff;
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 10px;
  letter-spacing: 0.05em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.back {
  color: var(--paper);
  font: 12px var(--mono);
  text-decoration: none;
  transition: color 0.2s;
}

.back:hover {
  color: var(--lime);
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid rgba(241, 238, 231, 0.25);
  background: rgba(255, 255, 255, 0.06);
  color: var(--paper);
  cursor: pointer;
  padding: 0;
  transition: all 0.25s ease;
  outline: none;
  flex-shrink: 0;
}

.theme-toggle:hover {
  background: var(--lime);
  border-color: var(--lime);
  color: #11100f;
  transform: rotate(20deg) scale(1.06);
}

/* ---------------- TYPOGRAPHY & BUTTONS ---------------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font: 12px var(--mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--lime);
  margin: 0 0 20px;
}

.badge-feature {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(245, 158, 11, 0.15);
  border: 1px solid rgba(245, 158, 11, 0.4);
  color: var(--fiel-gold);
  padding: 6px 14px;
  border-radius: 100px;
  font: 600 11px var(--mono);
  letter-spacing: 0.04em;
  margin-bottom: 24px;
}

/* CTA BUTTONS */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 16px 28px;
  background: var(--signal);
  border: 1px solid var(--signal);
  color: var(--ink);
  font: 700 14px var(--sans);
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.25s ease, background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
  border-radius: 0;
}

.button:hover {
  transform: translate(-3px, -3px);
  background: var(--lime);
  border-color: var(--lime);
  color: var(--ink);
  box-shadow: 4px 4px 0px rgba(0, 86, 210, 0.4);
}

.button-cta {
  background: var(--fiel-blue);
  border-color: var(--fiel-blue);
  color: #ffffff !important;
  font-weight: 700;
  letter-spacing: -0.02em;
  box-shadow: 0 4px 18px rgba(0, 86, 210, 0.35);
}

.button-cta:hover {
  background: var(--lime) !important;
  border-color: var(--lime) !important;
  color: var(--ink) !important;
  transform: translate(-3px, -3px);
  box-shadow: 4px 4px 0px var(--signal);
}

.button-cta-large {
  padding: 18px 36px;
  font-size: 16px;
  letter-spacing: 0.02em;
}

.button-outline {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--paper);
}

.button-outline:hover {
  background: var(--surface-elevated);
  border-color: var(--paper);
  color: var(--paper);
  transform: translate(-2px, -2px);
}

/* ---------------- HERO SECTION ---------------- */
.hero {
  padding: 90px 0 80px;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 50px;
  align-items: center;
  position: relative;
}

.hero h1 {
  font-size: clamp(44px, 5.2vw, 76px);
  line-height: 0.96;
  letter-spacing: -0.06em;
  margin: 0 0 28px;
  font-weight: 700;
}

.hero h1 em {
  color: var(--fiel-blue);
  font-style: normal;
  text-decoration: underline;
  text-decoration-color: var(--lime);
  text-underline-offset: 8px;
}

.hero p.intro {
  font-size: 18px;
  line-height: 1.6;
  color: #c8c5be;
  margin: 0 0 36px;
  max-width: 580px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.hero-badges-row {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  font: 12px var(--mono);
  color: var(--muted);
  border-top: 1px solid var(--line);
  padding-top: 20px;
}

.hero-badges-row span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* Interactive Mockup Presentation in Hero */
.hero-visual-card {
  position: relative;
  background: linear-gradient(180deg, #1f232b 0%, #151618 100%);
  border: 1px solid rgba(0, 86, 210, 0.4);
  border-radius: 24px;
  padding: 24px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6), 0 0 30px rgba(0, 86, 210, 0.2);
}

.mockup-header-pill {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(0, 0, 0, 0.4);
  padding: 10px 16px;
  border-radius: 12px;
  margin-bottom: 18px;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.mockup-status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--fiel-emerald);
  box-shadow: 0 0 8px var(--fiel-emerald);
}

.mockup-nav-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 18px;
}

.mockup-tab-btn {
  flex: 1;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--paper);
  padding: 8px 12px;
  font: 500 12px var(--mono);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s;
  text-align: center;
}

.mockup-tab-btn.active {
  background: var(--fiel-blue);
  border-color: var(--fiel-blue);
  color: #fff;
  font-weight: 600;
}

.mockup-screen-container {
  border-radius: 16px;
  overflow: hidden;
  background: #000;
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: inset 0 0 15px rgba(0,0,0,0.5);
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 480px;
}

.mockup-screen-img {
  width: 100%;
  max-width: 420px;
  height: auto;
  display: block;
  object-fit: cover;
  transition: opacity 0.3s ease;
}

/* Floating overlay badges */
.hero-float-badge {
  position: absolute;
  background: rgba(17, 16, 15, 0.95);
  backdrop-filter: blur(8px);
  border: 1px solid var(--fiel-blue-border);
  padding: 12px 18px;
  border-radius: 12px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
  font-family: var(--sans);
  z-index: 10;
}

.hero-float-top {
  top: -15px;
  right: -15px;
  border-color: var(--fiel-gold);
}

.hero-float-bottom {
  bottom: -20px;
  left: -20px;
  border-color: var(--fiel-emerald);
}

/* ---------------- TICKER ---------------- */
.ticker {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 16px 0;
  overflow: hidden;
  background: rgba(0, 86, 210, 0.08);
}

.ticker-track {
  display: flex;
  width: max-content;
  align-items: center;
  gap: 35px;
  animation: marquee 16s linear infinite;
}

.ticker span {
  font: 13px var(--mono);
  letter-spacing: 0.15em;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.ticker b {
  color: var(--signal);
}

.ticker em {
  color: var(--fiel-gold);
  font-style: normal;
}

@keyframes marquee {
  to {
    transform: translateX(-50%);
  }
}

/* ---------------- IMPACT METRICS (STATS) ---------------- */
.metrics-section {
  padding: 70px 0;
  background: var(--fiel-blue-gradient);
  color: #ffffff;
  position: relative;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  text-align: center;
}

.metric-card {
  padding: 24px 16px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 12px;
  backdrop-filter: blur(8px);
  transition: transform 0.25s ease;
}

.metric-card:hover {
  transform: translateY(-5px);
  background: rgba(255, 255, 255, 0.14);
}

.metric-number {
  font-size: clamp(38px, 4.2vw, 56px);
  font-weight: 700;
  letter-spacing: -0.05em;
  color: #ffffff;
  margin-bottom: 8px;
  line-height: 1;
}

.metric-number span.gold {
  color: var(--fiel-gold);
}

.metric-label {
  font: 14px var(--sans);
  font-weight: 500;
  color: #e0e7ff;
  line-height: 1.4;
}

/* ---------------- SECTION HEADS ---------------- */
.section-head {
  margin-bottom: 60px;
}

.section-head h2 {
  font-size: clamp(36px, 4.4vw, 64px);
  line-height: 1.02;
  letter-spacing: -0.06em;
  margin: 0 0 18px;
  font-weight: 700;
}

.section-head h2 em {
  color: var(--fiel-blue);
  font-style: normal;
}

.section-head p.subtitle {
  font-size: 18px;
  color: var(--muted);
  max-width: 650px;
  line-height: 1.5;
  margin: 0;
}

/* ---------------- THE 4 MAIN MODULES ---------------- */
.modules-section {
  padding: 110px 0;
}

.modules-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.module-card {
  background: var(--card-bg);
  border: 1px solid var(--line);
  padding: 38px 34px;
  border-radius: 0;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}

.module-card:hover {
  transform: translate(-3px, -3px);
  border-color: var(--fiel-blue);
  background: var(--surface-elevated);
}

.module-icon-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

.module-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  font-size: 24px;
  background: rgba(0, 86, 210, 0.15);
  border: 1px solid rgba(0, 86, 210, 0.3);
  color: var(--fiel-blue);
}

.module-badge {
  font: 11px var(--mono);
  color: var(--lime);
  border: 1px solid rgba(215, 244, 88, 0.3);
  padding: 4px 10px;
}

.module-card h3 {
  font-size: 26px;
  letter-spacing: -0.04em;
  margin: 0 0 14px;
  color: var(--paper);
}

.module-card p {
  font-size: 16px;
  line-height: 1.55;
  color: #b7b4ad;
  margin: 0 0 24px;
}

.module-tags {
  margin-top: auto;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.module-tags span {
  font: 11px var(--mono);
  padding: 4px 10px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--muted);
}

/* ---------------- COMPARATIVE SECTION ---------------- */
.comparative-section {
  padding: 110px 0;
  background: #161513;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.comparative-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.comp-column {
  padding: 40px;
  border-radius: 0;
  display: flex;
  flex-direction: column;
}

.comp-old {
  background: rgba(239, 68, 68, 0.04);
  border: 1px solid rgba(239, 68, 68, 0.25);
}

.comp-new {
  background: rgba(16, 185, 129, 0.05);
  border: 1px solid rgba(16, 185, 129, 0.4);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.comp-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 22px;
  margin-bottom: 28px;
  border-bottom: 1px solid var(--line);
}

.comp-header h3 {
  font-size: 24px;
  letter-spacing: -0.04em;
  margin: 0;
}

.comp-old h3 {
  color: var(--fiel-rose);
}

.comp-new h3 {
  color: var(--fiel-emerald);
}

.comp-list {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.comp-item {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 14px;
  align-items: flex-start;
}

.comp-item span.icon-old {
  color: var(--fiel-rose);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.2;
}

.comp-item span.icon-new {
  color: var(--fiel-emerald);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.2;
}

.comp-item strong {
  display: block;
  font-size: 16px;
  margin-bottom: 4px;
  color: var(--paper);
}

.comp-item p {
  font-size: 14px;
  line-height: 1.45;
  color: var(--muted);
  margin: 0;
}

/* ---------------- AGILITY HIGHLIGHT BANNER ---------------- */
.agility-banner {
  margin: 40px 0 0;
  padding: 36px 42px;
  background: linear-gradient(135deg, #1b212f 0%, #11141d 100%);
  border: 1px solid rgba(0, 86, 210, 0.45);
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 36px;
  align-items: center;
}

.agility-banner h3 {
  font-size: 28px;
  letter-spacing: -0.04em;
  margin: 0 0 12px;
  color: var(--lime);
  display: flex;
  align-items: center;
  gap: 10px;
}

.agility-banner p {
  font-size: 16px;
  line-height: 1.55;
  color: #cfd6e6;
  margin: 0;
}

.agility-checklist {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.agility-checklist li {
  display: flex;
  align-items: center;
  gap: 12px;
  font: 14px var(--sans);
  color: #ffffff;
  font-weight: 500;
}

.agility-checklist li span.check {
  color: var(--fiel-emerald);
  font-weight: 700;
  font-size: 16px;
}

/* ---------------- WHATSAPP ATA SECTION ---------------- */
.whatsapp-section {
  padding: 110px 0;
}

.whatsapp-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 50px;
  align-items: center;
}

.whatsapp-box {
  background: #111b21;
  border-radius: 18px;
  border: 1px solid rgba(37, 211, 102, 0.35);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.5);
  overflow: hidden;
}

.whatsapp-topbar {
  background: #202c33;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.whatsapp-topbar span.wa-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--fiel-whatsapp);
}

.whatsapp-topbar h4 {
  margin: 0;
  font-size: 14px;
  color: #e9edef;
  font-weight: 600;
}

.whatsapp-bubble {
  background: #005c4b;
  color: #e9edef;
  margin: 24px;
  padding: 20px 22px;
  border-radius: 12px;
  border-top-left-radius: 2px;
  font-family: var(--mono);
  font-size: 13.5px;
  line-height: 1.6;
  box-shadow: 0 2px 6px rgba(0,0,0,0.3);
}

.whatsapp-bubble h5 {
  font-size: 14px;
  margin: 0 0 10px;
  color: #70ffaa;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.whatsapp-bubble ul {
  list-style: none;
  padding: 0;
  margin: 10px 0;
}

.whatsapp-bubble ul li {
  margin-bottom: 5px;
}

.whatsapp-bubble .wa-total {
  border-top: 1px dashed rgba(255, 255, 255, 0.3);
  padding-top: 10px;
  margin-top: 10px;
  font-weight: 700;
  color: #fff;
  font-size: 15px;
}

.whatsapp-action-btn {
  margin: 0 24px 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: var(--fiel-whatsapp);
  color: #0b141a;
  padding: 14px;
  border-radius: 10px;
  font-weight: 700;
  font-size: 14px;
  text-decoration: none;
}

/* ---------------- 3 STEPS ONBOARDING ---------------- */
.steps-section {
  padding: 100px 0;
  background: #141311;
  border-top: 1px solid var(--line);
}

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

.step-card {
  background: var(--card-bg);
  border: 1px solid var(--line);
  padding: 38px 28px;
  position: relative;
  display: flex;
  flex-direction: column;
}

.step-badge {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--fiel-blue);
  color: #ffffff;
  display: grid;
  place-items: center;
  font: 700 18px var(--mono);
  margin-bottom: 22px;
}

.step-card h3 {
  font-size: 22px;
  letter-spacing: -0.03em;
  margin: 0 0 12px;
}

.step-card p {
  font-size: 15px;
  line-height: 1.5;
  color: var(--muted);
  margin: 0;
}

/* ---------------- TESTIMONIALS ---------------- */
.testimonials-section {
  padding: 100px 0;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.test-card {
  background: var(--card-bg);
  border: 1px solid var(--line);
  padding: 38px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.test-card blockquote {
  font-size: 18px;
  line-height: 1.55;
  color: #dedbd4;
  margin: 0 0 28px;
  font-style: italic;
}

.test-author {
  display: flex;
  align-items: center;
  gap: 16px;
  border-top: 1px solid var(--line);
  padding-top: 20px;
}

.test-avatar {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--fiel-blue);
  color: #fff;
  display: grid;
  place-items: center;
  font: 700 14px var(--mono);
}

.test-info h4 {
  margin: 0 0 4px;
  font-size: 16px;
  color: var(--paper);
}

.test-info p {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
}

/* ---------------- FINAL GRAND CTA SECTION ---------------- */
.final-cta-section {
  padding: 120px 0 140px;
  background: radial-gradient(circle at 50% 30%, rgba(0, 86, 210, 0.25) 0%, rgba(17, 16, 15, 0.95) 70%);
  border-top: 1px solid var(--line);
  text-align: center;
}

.final-cta-box {
  max-width: 820px;
  margin: auto;
  border: 1px solid rgba(0, 86, 210, 0.4);
  background: rgba(25, 24, 22, 0.95);
  padding: 60px 48px;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.7);
}

.final-cta-box h2 {
  font-size: clamp(38px, 4.8vw, 68px);
  line-height: 1.02;
  letter-spacing: -0.06em;
  margin: 0 0 20px;
  font-weight: 700;
}

.final-cta-box h2 em {
  color: var(--lime);
  font-style: normal;
}

.final-cta-box p.cta-desc {
  font-size: 18px;
  line-height: 1.55;
  color: #cbc8bf;
  margin: 0 auto 34px;
  max-width: 620px;
}

.final-badges {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
  font: 12px var(--mono);
  color: var(--lime);
  margin-bottom: 38px;
}

.final-badges span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.final-btn-wrapper {
  margin-bottom: 30px;
}

.final-note {
  font: 13px var(--mono);
  color: #8c8982;
  margin-top: 18px;
}

/* ---------------- FOOTER ---------------- */
footer.site-footer {
  border-top: 1px solid var(--line);
  padding: 45px 0;
  background: var(--ink);
}

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

.footer-tagline {
  color: var(--muted);
  font-size: 13px;
  font-family: var(--mono);
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--paper);
  font: 13px var(--mono);
  text-decoration: none;
  transition: color 0.2s;
}

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

/* SCROLL TO TOP */
.scroll-top-btn {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: rgba(17, 16, 15, 0.92);
  color: var(--lime);
  border: 1px solid rgba(215, 244, 88, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 9999;
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px) scale(0.9);
  transition: all 0.25s ease;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.45);
}

.scroll-top-btn:hover {
  background: var(--lime);
  color: var(--ink);
  transform: translateY(-3px) scale(1.06);
}

.scroll-top-btn.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

/* ---------------- LIGHT THEME OVERRIDES ---------------- */
:root[data-theme="light"] {
  --ink: #faf8f5;
  --paper: #11100f;
  --line: rgba(17, 16, 15, 0.14);
  --muted: #66635e;
  --card-bg: #ffffff;
  --surface-elevated: #f5f2ea;
  --fiel-blue: #0056d2;
  --fiel-card-dark: #f0ede5;
}

:root[data-theme="light"] body {
  background: #faf8f5;
  color: #11100f;
}

:root[data-theme="light"] header.site-header {
  background: rgba(250, 248, 245, 0.94);
  border-bottom-color: rgba(17, 16, 15, 0.12);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

:root[data-theme="light"] .theme-toggle {
  background: rgba(17, 16, 15, 0.05);
  border-color: rgba(17, 16, 15, 0.15);
  color: #11100f;
}

:root[data-theme="light"] .theme-toggle:hover {
  background: #11100f;
  color: #faf8f5;
}

:root[data-theme="light"] .hero p.intro {
  color: #4a4741;
}

:root[data-theme="light"] .hero-visual-card {
  background: linear-gradient(180deg, #ffffff 0%, #f0f4fd 100%);
  border-color: rgba(0, 86, 210, 0.3);
  box-shadow: 0 20px 45px rgba(0, 86, 210, 0.12);
}

:root[data-theme="light"] .mockup-header-pill {
  background: rgba(0, 86, 210, 0.06);
  border-color: rgba(0, 86, 210, 0.15);
  color: #11100f;
}

:root[data-theme="light"] .mockup-tab-btn {
  background: #ffffff;
  border-color: rgba(17, 16, 15, 0.15);
  color: #11100f;
}

:root[data-theme="light"] .mockup-tab-btn.active {
  background: var(--fiel-blue);
  color: #ffffff;
}

:root[data-theme="light"] .ticker {
  background: rgba(0, 86, 210, 0.06);
  border-color: rgba(17, 16, 15, 0.12);
}

:root[data-theme="light"] .ticker span {
  color: #11100f;
}

:root[data-theme="light"] .module-card {
  background: #ffffff;
  border-color: rgba(17, 16, 15, 0.12);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.04);
}

:root[data-theme="light"] .module-card:hover {
  background: #faf8f5;
}

:root[data-theme="light"] .module-card h3 {
  color: #11100f;
}

:root[data-theme="light"] .module-card p {
  color: #4d4a44;
}

:root[data-theme="light"] .comparative-section {
  background: #f3efe6;
}

:root[data-theme="light"] .comp-old {
  background: #ffffff;
}

:root[data-theme="light"] .comp-new {
  background: #ffffff;
}

:root[data-theme="light"] .comp-item strong {
  color: #11100f;
}

:root[data-theme="light"] .agility-banner {
  background: linear-gradient(135deg, #0f2c69 0%, #001f5c 100%);
  color: #ffffff;
}

:root[data-theme="light"] .steps-section {
  background: #f7f4ed;
}

:root[data-theme="light"] .step-card {
  background: #ffffff;
  border-color: rgba(17, 16, 15, 0.12);
}

:root[data-theme="light"] .step-card h3 {
  color: #11100f;
}

:root[data-theme="light"] .test-card {
  background: #ffffff;
  border-color: rgba(17, 16, 15, 0.12);
}

:root[data-theme="light"] .test-card blockquote {
  color: #24221f;
}

:root[data-theme="light"] .final-cta-section {
  background: radial-gradient(circle at 50% 30%, rgba(0, 86, 210, 0.12) 0%, #faf8f5 70%);
}

:root[data-theme="light"] .final-cta-box {
  background: #ffffff;
  border-color: rgba(0, 86, 210, 0.25);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.08);
}

:root[data-theme="light"] .final-cta-box h2 {
  color: #11100f;
}

:root[data-theme="light"] .final-cta-box p.cta-desc {
  color: #47443e;
}

:root[data-theme="light"] .button-outline {
  border-color: rgba(17, 16, 15, 0.3);
  color: #11100f;
}

:root[data-theme="light"] footer.site-footer {
  background: #f2eee6;
  border-top-color: rgba(17, 16, 15, 0.12);
}

:root[data-theme="light"] .footer-links a {
  color: #11100f;
}

/* ---------------- RESPONSIVE MEDIA QUERIES ---------------- */
@media (max-width: 960px) {
  .hero {
    grid-template-columns: 1fr;
    padding-top: 50px;
    gap: 40px;
  }
  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .modules-grid {
    grid-template-columns: 1fr;
  }
  .comparative-grid {
    grid-template-columns: 1fr;
  }
  .agility-banner {
    grid-template-columns: 1fr;
  }
  .whatsapp-grid {
    grid-template-columns: 1fr;
  }
  .steps-grid {
    grid-template-columns: 1fr;
  }
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .shell {
    width: calc(100% - 32px);
  }
  .header-inner {
    height: 75px;
  }
  .metrics-grid {
    grid-template-columns: 1fr;
  }
  .hero h1 {
    font-size: 38px;
  }
  .button {
    width: 100%;
  }
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .hero-float-badge {
    position: static;
    margin-top: 15px;
  }
  .final-cta-box {
    padding: 40px 20px;
  }
}