/* ==========================================================================
   VORLODEV - Minimalist Tech & Dev Landing Page
   Identity: Electric Cyan (#00D7EE) & Electric Violet (#733AE7) & Obsidian Navy (#0B1122)
   Supports: Light Mode (#f6f8fb) & Dark Mode (#070b14)
   Animations: iOS/macOS Spring Transitions, Blur-to-Sharp Reveals & Tactile Feedback
   ========================================================================== */

:root {
  /* Brand Identity Colors */
  --color-cyan: #00D7EE;
  --color-cyan-hover: #00bcd0;
  --color-cyan-subtle: rgba(0, 215, 238, 0.10);
  --color-cyan-border: rgba(0, 215, 238, 0.30);
  --color-cyan-glow: rgba(0, 215, 238, 0.45);

  --color-violet: #733AE7;
  --color-violet-hover: #5e26d1;
  --color-violet-subtle: rgba(115, 58, 231, 0.12);
  --color-violet-border: rgba(115, 58, 231, 0.32);

  --color-navy: #0B1122;
  --color-whatsapp: #25d366;
  --color-whatsapp-hover: #1eb956;

  /* Aliases mapped to new brand */
  --color-accent: var(--color-cyan);
  --color-accent-hover: var(--color-cyan-hover);
  --color-accent-subtle: var(--color-cyan-subtle);
  --color-accent-border: var(--color-cyan-border);
  --color-orange: var(--color-cyan);
  --color-orange-hover: var(--color-cyan-hover);
  --color-orange-subtle: var(--color-cyan-subtle);
  --color-orange-border: var(--color-cyan-border);

  /* Typography */
  --font-main: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', monospace;

  /* Layout */
  --container-max: 1180px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-full: 9999px;

  /* iOS / macOS Physics Curves */
  --spring: cubic-bezier(0.16, 1, 0.3, 1);
  --spring-bouncy: cubic-bezier(0.34, 1.56, 0.64, 1);
  --transition-fast: 0.2s var(--spring);
  --transition-smooth: 0.35s var(--spring);
  --transition-theme: background-color 0.35s ease, border-color 0.35s ease, color 0.35s ease, box-shadow 0.35s ease;
}

/* Light Theme */
[data-theme="light"], :root {
  --bg-primary: #f6f8fb;
  --bg-surface: #ffffff;
  --bg-surface-elevated: #eef2f7;
  --bg-header: rgba(246, 248, 251, 0.88);
  --bg-header-scrolled: rgba(255, 255, 255, 0.95);

  --color-text-title: #0B1122;
  --color-text-main: #334155;
  --color-text-muted: #64748b;
  --color-text-light: #94a3b8;

  --color-border: rgba(11, 17, 34, 0.08);
  --color-border-hover: rgba(0, 215, 238, 0.35);
  --logo-dark-text: #0B1122;

  --shadow-sm: 0 1px 3px rgba(11, 17, 34, 0.04);
  --shadow-card: 0 4px 20px -2px rgba(11, 17, 34, 0.05);
  --shadow-card-hover: 0 16px 36px -4px rgba(0, 215, 238, 0.12);
  --shadow-btn: 0 6px 20px -2px rgba(0, 215, 238, 0.35);
  --shadow-wa-btn: 0 8px 22px -3px rgba(37, 211, 102, 0.3);
}

/* Dark Theme (Apple macOS / Midnight Obsidian) */
[data-theme="dark"] {
  --bg-primary: #070B14;
  --bg-surface: #0B1122;
  --bg-surface-elevated: #10182B;
  --bg-header: rgba(7, 11, 20, 0.85);
  --bg-header-scrolled: rgba(11, 17, 34, 0.95);

  --color-text-title: #f8fafc;
  --color-text-main: #cbd5e1;
  --color-text-muted: #94a3b8;
  --color-text-light: #64748b;

  --color-border: rgba(255, 255, 255, 0.08);
  --color-border-hover: rgba(0, 215, 238, 0.35);
  --logo-dark-text: #ffffff;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-card: 0 4px 24px -2px rgba(0, 0, 0, 0.5);
  --shadow-card-hover: 0 16px 40px -4px rgba(0, 215, 238, 0.16);
  --shadow-btn: 0 6px 20px -2px rgba(0, 215, 238, 0.4);
  --shadow-wa-btn: 0 8px 24px -3px rgba(37, 211, 102, 0.35);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-primary);
  color: var(--color-text-main);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
  transition: var(--transition-theme);
}

::selection {
  background-color: var(--color-orange);
  color: #ffffff;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--color-border-hover);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-orange);
}

/* Typography Helpers */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-text-title);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
  transition: color 0.3s ease;
}

p {
  color: var(--color-text-main);
  transition: color 0.3s ease;
}

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

ul {
  list-style: none;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
  position: relative;
}

.text-center {
  text-align: center;
}

.text-accent {
  color: var(--color-orange);
}

/* Section Common */
.section {
  padding: 5.5rem 0;
  position: relative;
}

.section-header {
  max-width: 660px;
  margin: 0 auto 3.25rem auto;
}

.section-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--color-orange);
  background: var(--color-orange-subtle);
  border: 1px solid var(--color-orange-border);
  padding: 0.28rem 0.75rem;
  border-radius: var(--radius-full);
  margin-bottom: 0.9rem;
  text-transform: uppercase;
}

.section-title {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 0.85rem;
  letter-spacing: -0.025em;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ==========================================================================
   iOS / macOS Style Entrance Animations
   ========================================================================== */

/* Apple-style Blur-to-Sharp Scroll Reveal */
.ios-reveal {
  opacity: 0;
  transform: translateY(22px) scale(0.985);
  filter: blur(4px);
  transition: opacity 0.75s var(--spring),
              transform 0.75s var(--spring),
              filter 0.75s var(--spring);
  will-change: opacity, transform, filter;
}

.ios-reveal.revealed {
  opacity: 1;
  transform: translateY(0) scale(1);
  filter: blur(0);
}

/* Stagger delays on lists/grids */
.solutions-grid .ios-reveal:nth-child(1) { transition-delay: 0.05s; }
.solutions-grid .ios-reveal:nth-child(2) { transition-delay: 0.12s; }
.solutions-grid .ios-reveal:nth-child(3) { transition-delay: 0.19s; }
.solutions-grid .ios-reveal:nth-child(4) { transition-delay: 0.26s; }
.solutions-grid .ios-reveal:nth-child(5) { transition-delay: 0.33s; }

.metrics-grid .ios-reveal:nth-child(1) { transition-delay: 0.05s; }
.metrics-grid .ios-reveal:nth-child(2) { transition-delay: 0.12s; }
.metrics-grid .ios-reveal:nth-child(3) { transition-delay: 0.19s; }
.metrics-grid .ios-reveal:nth-child(4) { transition-delay: 0.26s; }

.differentials-grid .ios-reveal:nth-child(1) { transition-delay: 0.05s; }
.differentials-grid .ios-reveal:nth-child(2) { transition-delay: 0.12s; }
.differentials-grid .ios-reveal:nth-child(3) { transition-delay: 0.19s; }
.differentials-grid .ios-reveal:nth-child(4) { transition-delay: 0.26s; }

/* Hero Stagger Keyframe */
@keyframes iosFadeUp {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.98);
    filter: blur(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
    filter: blur(0);
  }
}

.anim-fade-up {
  animation: iosFadeUp 0.85s var(--spring) forwards;
  animation-delay: var(--delay, 0s);
  opacity: 0;
  will-change: opacity, transform, filter;
}

/* Minimalist Headline Accent Underline Animation */
.animate-highlight {
  background: linear-gradient(135deg, var(--color-cyan) 0%, var(--color-violet) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
  display: inline-block;
}

.animate-highlight::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 2px;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--color-cyan), var(--color-violet));
  border-radius: 2px;
  transform-origin: left;
  animation: drawUnderline 1.2s var(--spring) 0.5s both;
}

@keyframes drawUnderline {
  from {
    transform: scaleX(0);
    opacity: 0;
  }
  to {
    transform: scaleX(1);
    opacity: 0.45;
  }
}

/* ==========================================================================
   Buttons with Apple Tactile Spring Feedback
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  font-family: var(--font-main);
  font-weight: 600;
  font-size: 0.94rem;
  border-radius: var(--radius-sm);
  padding: 0.8rem 1.5rem;
  transition: transform var(--transition-fast), background-color var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
  cursor: pointer;
  border: 1px solid transparent;
  max-width: 100%;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

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

.btn-icon {
  width: 1.1rem;
  height: 1.1rem;
  flex-shrink: 0;
}

.btn-icon-right {
  width: 1rem;
  height: 1rem;
  transition: transform var(--transition-fast);
}

.btn:hover .btn-icon-right {
  transform: translateX(3px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-cyan) 0%, var(--color-violet) 100%);
  color: #ffffff;
  font-weight: 700;
  box-shadow: var(--shadow-btn);
  border: none;
  transition: transform var(--transition-fast), filter var(--transition-fast), box-shadow var(--transition-fast);
}

.btn-primary:hover {
  filter: brightness(1.08);
  box-shadow: 0 8px 24px -2px rgba(0, 215, 238, 0.45);
  transform: translateY(-1.5px);
}

.btn-secondary {
  background-color: var(--bg-surface);
  color: var(--color-text-title);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-1px);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.84rem;
}

.btn-lg {
  padding: 0.95rem 1.85rem;
  font-size: 1rem;
  border-radius: var(--radius-sm);
}

.btn-xl {
  padding: 1.15rem 2.25rem;
  font-size: 1.05rem;
  border-radius: var(--radius-md);
}

/* ==========================================================================
   Header & macOS Style Glassmorphic Bar
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1rem 0;
  background: var(--bg-header);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--color-border);
  transition: var(--transition-theme), padding var(--transition-fast);
}

.site-header.scrolled {
  padding: 0.75rem 0;
  background: var(--bg-header-scrolled);
  box-shadow: var(--shadow-sm);
}

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

.brand-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.brand-logo {
  height: 34px;
  width: auto;
  max-width: 185px;
  object-fit: contain;
  transition: transform var(--transition-fast);
}

.brand-logo:hover {
  transform: scale(1.02);
}

[data-theme="light"] .logo-dark-theme {
  display: none !important;
}

[data-theme="light"] .logo-light-theme {
  display: block !important;
}

[data-theme="dark"] .logo-light-theme {
  display: none !important;
}

[data-theme="dark"] .logo-dark-theme {
  display: block !important;
}

.footer-logo {
  height: 36px;
  width: auto;
  max-width: 195px;
  object-fit: contain;
}

.main-nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 2.2rem;
}

.nav-link {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-text-main);
  transition: color var(--transition-fast);
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

/* iOS / macOS Style Theme Toggle */
.theme-toggle {
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  transition: transform var(--transition-fast);
}

.theme-toggle:active {
  transform: scale(0.94);
}

.toggle-track {
  width: 58px;
  height: 32px;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 7px;
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.06);
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

.toggle-icon-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  z-index: 3;
  pointer-events: none;
}

.toggle-icon {
  width: 14px;
  height: 14px;
  transition: color 0.3s ease, opacity 0.3s ease, transform 0.3s var(--spring);
}

.sun-icon {
  color: var(--color-orange);
}

.moon-icon {
  color: var(--color-text-light);
  opacity: 0.55;
}

.toggle-thumb {
  position: absolute;
  top: 3px;
  left: 4px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: #ffffff;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.14), 0 1px 2px rgba(0, 0, 0, 0.08);
  transition: transform 0.35s var(--spring), background-color 0.3s ease;
  z-index: 1;
}

[data-theme="dark"] .toggle-thumb {
  transform: translateX(26px);
  background: #1e293b;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .sun-icon {
  color: var(--color-text-light);
  opacity: 0.5;
}

[data-theme="dark"] .moon-icon {
  color: #38bdf8;
  opacity: 1;
}

.btn-whatsapp-header {
  background: var(--color-whatsapp);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.25);
}

.btn-whatsapp-header:hover {
  background: var(--color-whatsapp-hover);
}

.online-indicator {
  display: inline-block;
  width: 7px;
  height: 7px;
  background-color: #ffffff;
  border-radius: 50%;
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.3);
}

.mobile-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-border);
  padding: 0.5rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--color-text-title);
  align-items: center;
  justify-content: center;
}

/* ==========================================================================
   Hero Section - Minimalist Centered Layout
   ========================================================================== */

.hero-section {
  padding: 6.5rem 0 5.5rem 0;
  position: relative;
  text-align: center;
}

.hero-container {
  display: flex;
  justify-content: center;
}

.hero-content {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.badge-tech {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.35rem 0.95rem;
  background: var(--bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  margin-bottom: 1.8rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-theme);
}

.badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--color-orange);
}

.badge-text {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-text-title);
  letter-spacing: 0.04em;
}

.hero-title {
  font-size: 3.3rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.035em;
  margin-bottom: 1.5rem;
  color: var(--color-text-title);
  max-width: 840px;
}

.hero-description {
  font-size: 1.18rem;
  line-height: 1.7;
  color: var(--color-text-main);
  margin-bottom: 2.4rem;
  max-width: 680px;
}

.hero-description strong {
  color: var(--color-text-title);
  font-weight: 600;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 1.1rem;
  margin-bottom: 3.25rem;
}

.hero-trust-badges {
  display: flex;
  flex-direction: row;
  justify-content: center;
  flex-wrap: wrap;
  gap: 2rem;
  border-top: 1px solid var(--color-border);
  padding-top: 2rem;
  width: 100%;
  max-width: 760px;
}

.trust-badge-item {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.trust-icon {
  width: 1rem;
  height: 1rem;
  color: var(--color-orange);
  flex-shrink: 0;
}

/* ==========================================================================
   Metrics Bar Section
   ========================================================================== */

.metrics-bar-section {
  padding: 1rem 0 4rem 0;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.metric-card {
  background: var(--bg-surface);
  border: 1px solid var(--color-border);
  padding: 1.6rem 1.4rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: transform var(--transition-smooth), box-shadow var(--transition-smooth), border-color 0.3s ease, var(--transition-theme);
}

.metric-card:hover {
  transform: translateY(-3px) scale(1.01);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--color-border-hover);
}

.metric-number {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--color-orange);
}

.metric-info {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.metric-value {
  font-size: 1.08rem;
  font-weight: 700;
}

.metric-desc {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* ==========================================================================
   Solutions / Products Section
   ========================================================================== */

.solutions-section {
  position: relative;
}

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.solution-card {
  background: var(--bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.2rem 1.8rem;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-smooth), box-shadow var(--transition-smooth), border-color 0.3s ease, var(--transition-theme);
}

.solution-card:hover {
  transform: translateY(-4px) scale(1.01);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--color-orange-border);
}

.featured-solution {
  border-color: var(--color-orange-border);
}

.solution-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.solution-num {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--color-orange);
}

.solution-pill {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--color-text-muted);
  background: var(--bg-surface-elevated);
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border: 1px solid var(--color-border);
}

.solution-title {
  font-size: 1.35rem;
  font-weight: 800;
  margin-bottom: 0.65rem;
}

.solution-desc {
  font-size: 0.9rem;
  color: var(--color-text-main);
  line-height: 1.6;
  margin-bottom: 1.3rem;
}

.solution-features {
  margin-bottom: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex-grow: 1;
}

.solution-features li {
  position: relative;
  padding-left: 1.15rem;
  font-size: 0.86rem;
  color: var(--color-text-main);
}

.solution-features li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--color-orange);
  font-weight: 700;
}

.solution-action {
  border-top: 1px solid var(--color-border);
  padding-top: 1.2rem;
}

.solution-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--color-orange);
  transition: color var(--transition-fast);
}

.solution-btn svg {
  width: 1rem;
  height: 1rem;
  transition: transform var(--transition-fast);
}

.solution-btn:hover {
  color: var(--color-orange-hover);
}

.solution-btn:hover svg {
  transform: translate(2px, -2px);
}

/* Solutions Callout */
.solutions-callout {
  background: var(--bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.75rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-theme);
}

.callout-text h4 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.callout-text p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

/* ==========================================================================
   Processes Section (Vertical Timeline with Spring Transition)
   ========================================================================== */

.processes-section {
  position: relative;
}

.timeline-container {
  position: relative;
  max-width: 900px;
  margin: 0 auto 3rem auto;
  padding: 1.5rem 0;
}

/* Central Line */
.timeline-track {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  transform: translateX(-50%);
  background: var(--color-border);
  z-index: 1;
}

.timeline-progress-bar {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 0%;
  background: linear-gradient(to bottom, var(--color-cyan), var(--color-violet));
  box-shadow: 0 0 12px rgba(0, 215, 238, 0.6);
  transition: height 0.15s ease-out;
}

.timeline-items {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 2.8rem;
}

.timeline-item {
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
  opacity: 0;
  transform: translateY(22px) scale(0.985);
  filter: blur(3px);
  transition: opacity 0.75s var(--spring),
              transform 0.75s var(--spring),
              filter 0.75s var(--spring);
}

.timeline-item.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
  filter: blur(0);
}

.timeline-item:nth-child(odd) {
  justify-content: flex-start;
}

.timeline-item:nth-child(even) {
  justify-content: flex-end;
}

.timeline-item:nth-child(odd) .timeline-card {
  margin-right: auto;
  width: calc(50% - 40px);
}

.timeline-item:nth-child(even) .timeline-card {
  margin-left: auto;
  width: calc(50% - 40px);
}

/* Marker */
.timeline-marker {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-surface);
  border: 2px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 3;
  transition: all 0.35s var(--spring-bouncy);
}

.marker-number {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-text-muted);
}

.timeline-item.is-visible .timeline-marker {
  border-color: var(--color-cyan);
  background: linear-gradient(135deg, var(--color-cyan), var(--color-violet));
  box-shadow: 0 0 16px rgba(0, 215, 238, 0.45);
  transform: translate(-50%, -50%) scale(1.08);
}

.timeline-item.is-visible .marker-number {
  color: #ffffff;
}

/* Card */
.timeline-card {
  background: var(--bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.8rem 1.6rem;
  box-shadow: var(--shadow-card);
  transition: border-color var(--transition-fast), transform var(--transition-smooth), var(--transition-theme);
}

.timeline-card:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-2px);
}

.timeline-header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.65rem;
}

.timeline-phase-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--color-orange);
}

.timeline-tag-desc {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
}

.timeline-title {
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 0.55rem;
}

.timeline-quote {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-orange);
  line-height: 1.5;
  margin-bottom: 0.75rem;
  padding-left: 0.75rem;
  border-left: 2px solid var(--color-orange);
}

.timeline-text {
  font-size: 0.9rem;
  color: var(--color-text-main);
  line-height: 1.6;
}

.timeline-action-box {
  max-width: 580px;
  margin: 0 auto;
  background: var(--bg-surface);
  border: 1px solid var(--color-border);
  padding: 1.75rem 2rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-theme);
}

.timeline-action-text {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-title);
  margin-bottom: 1rem;
}

/* ==========================================================================
   Differentials Section
   ========================================================================== */

.differentials-section {
  position: relative;
}

.differentials-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.diff-card {
  background: var(--bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.8rem 1.5rem;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-smooth), border-color var(--transition-fast), var(--transition-theme);
  display: flex;
  flex-direction: column;
}

.diff-card:hover {
  transform: translateY(-3px) scale(1.01);
  border-color: var(--color-border-hover);
}

.diff-index {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--color-orange);
  margin-bottom: 0.85rem;
}

.diff-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.55rem;
}

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

/* ==========================================================================
   Primary Conversion CTA Section (Ação do Visitante)
   ========================================================================== */

.main-cta-section {
  position: relative;
  padding: 4rem 0 6rem 0;
}

.cta-banner {
  background: var(--bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 4.5rem 3rem;
  text-align: center;
  box-shadow: var(--shadow-card);
  position: relative;
  transition: var(--transition-theme);
}

.cta-inner {
  max-width: 700px;
  margin: 0 auto;
}

.cta-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--color-orange);
  background: var(--color-orange-subtle);
  border: 1px solid var(--color-orange-border);
  padding: 0.28rem 0.75rem;
  border-radius: var(--radius-full);
  margin-bottom: 1.4rem;
}

.cta-title {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1.15rem;
}

.cta-description {
  font-size: 1.15rem;
  color: var(--color-text-main);
  line-height: 1.65;
  margin-bottom: 2.2rem;
}

.cta-actions {
  display: flex;
  justify-content: center;
  margin-bottom: 2rem;
}

.btn-wa-main {
  background-color: var(--color-whatsapp);
  color: #ffffff;
  box-shadow: var(--shadow-wa-btn);
  padding: 1.15rem 2.4rem;
  font-size: 1.05rem;
  border-radius: var(--radius-sm);
}

.btn-wa-main:hover {
  background-color: var(--color-whatsapp-hover);
  transform: translateY(-2px);
}

.cta-perks {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1.8rem;
  margin-bottom: 2.2rem;
}

.perk-item {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.88rem;
  color: var(--color-text-muted);
}

.perk-icon {
  width: 0.95rem;
  height: 0.95rem;
  color: var(--color-orange);
}

.wa-helper-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--color-border);
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-full);
  text-decoration: none;
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition-fast), transform var(--transition-fast), var(--transition-theme);
}

.wa-helper-pill:hover {
  border-color: var(--color-cyan-border);
  transform: translateY(-1.5px);
}

.wa-helper-number {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--color-text-main);
}

/* ==========================================================================
   FAQ Section
   ========================================================================== */

.faq-section {
  position: relative;
  padding-bottom: 6rem;
}

.faq-accordion {
  max-width: 780px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.faq-item {
  background: var(--bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition-fast), var(--transition-theme);
}

.faq-item.active {
  border-color: var(--color-orange-border);
}

.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 1.25rem 1.6rem;
  font-family: var(--font-main);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-text-title);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  transition: color var(--transition-fast);
  -webkit-tap-highlight-color: transparent;
}

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

.faq-chevron {
  width: 1.15rem;
  height: 1.15rem;
  color: var(--color-orange);
  transition: transform var(--transition-smooth);
  flex-shrink: 0;
}

.faq-item.active .faq-chevron {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s var(--spring);
}

.faq-answer-inner {
  padding: 0 1.6rem 1.4rem 1.6rem;
  font-size: 0.92rem;
  color: var(--color-text-main);
  line-height: 1.65;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  background: var(--bg-surface);
  border-top: 1px solid var(--color-border);
  padding: 4.5rem 0 2rem 0;
  transition: var(--transition-theme);
}

.footer-container {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}

.footer-brand-col {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-logo {
  height: 32px;
}

.footer-tagline {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  max-width: 320px;
}

.footer-heading {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 1.15rem;
}

.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-nav a {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

.footer-nav a:hover {
  color: var(--color-orange);
}

.footer-contact-desc {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.55;
  margin-bottom: 1.1rem;
}

.footer-wa-btn {
  background: var(--color-orange);
  width: fit-content;
}

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: 1.75rem;
}

.footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.84rem;
  color: var(--color-text-muted);
}

/* ==========================================================================
   Floating WhatsApp Button
   ========================================================================== */

.floating-wa-wrapper {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 999;
  transition: opacity 0.35s ease, transform 0.35s var(--spring);
}

.floating-wa-btn {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: var(--color-whatsapp);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-wa-btn);
  transition: transform var(--transition-smooth), background-color var(--transition-fast);
  -webkit-tap-highlight-color: transparent;
}

.floating-wa-btn:hover {
  transform: scale(1.06);
  background: var(--color-whatsapp-hover);
}

.floating-wa-btn:active {
  transform: scale(0.95);
}

.floating-wa-icon {
  width: 28px;
  height: 28px;
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */

@media (max-width: 1080px) {
  .hero-content {
    max-width: 100%;
  }

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

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

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

  .footer-container {
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 4rem 0;
  }

  .section-title {
    font-size: 1.95rem;
  }

  /* Header */
  .site-header {
    padding: 0.75rem 0;
  }

  .mobile-toggle {
    display: flex;
  }

  .main-nav {
    position: fixed;
    top: 60px;
    left: 0;
    width: 100%;
    background: var(--bg-surface);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
    padding: 1.5rem;
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition-smooth);
    border-bottom: 1px solid var(--color-border);
  }

  .main-nav.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

  .nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.15rem;
  }

  /* Hero */
  .hero-section {
    padding: 4.5rem 0 3.75rem 0;
  }

  .hero-title {
    font-size: 2.35rem;
  }

  .hero-cta-group {
    flex-direction: column;
    width: 100%;
  }

  .hero-cta-group .btn {
    width: 100%;
    justify-content: center;
  }

  .hero-trust-badges {
    gap: 1rem;
    padding-top: 1.5rem;
  }

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

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

  .solutions-callout {
    flex-direction: column;
    text-align: center;
  }

  .solutions-callout .btn {
    width: 100%;
    justify-content: center;
  }

  /* Timeline */
  .timeline-track {
    left: 20px;
    transform: none;
  }

  .timeline-marker {
    left: 20px;
    top: 24px;
    transform: translate(-50%, 0);
  }

  .timeline-item {
    align-items: flex-start;
  }

  .timeline-item:nth-child(odd) .timeline-card,
  .timeline-item:nth-child(even) .timeline-card {
    width: calc(100% - 50px);
    margin-left: 50px;
    margin-right: 0;
    padding: 1.5rem 1.25rem;
  }

  .timeline-title {
    font-size: 1.3rem;
  }

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

  /* CTA */
  .cta-banner {
    padding: 3rem 1.4rem;
  }

  .cta-title {
    font-size: 1.95rem;
  }

  .cta-perks {
    flex-direction: column;
    align-items: flex-start;
    max-width: 280px;
    margin: 0 auto 2rem auto;
  }

  .footer-container {
    grid-template-columns: 1fr;
  }

  .floating-wa-wrapper {
    bottom: 1.25rem;
    right: 1.25rem;
  }
}

@media (max-width: 540px) {
  .container {
    padding: 0 1rem;
  }

  .brand-logo {
    height: 30px;
  }

  .btn-whatsapp-header span:not(.online-indicator) {
    display: none;
  }

  .hero-section {
    padding: 3.5rem 0 3rem 0;
  }

  .hero-title {
    font-size: 1.85rem;
  }

  .hero-description {
    font-size: 0.98rem;
  }

  .hero-trust-badges {
    flex-direction: column;
    align-items: center;
    gap: 0.65rem;
  }

  .timeline-track {
    left: 16px;
  }

  .timeline-marker {
    left: 16px;
    top: 20px;
    width: 32px;
    height: 32px;
  }

  .timeline-item:nth-child(odd) .timeline-card,
  .timeline-item:nth-child(even) .timeline-card {
    width: calc(100% - 42px);
    margin-left: 42px;
    padding: 1.35rem 1rem;
  }

  .cta-title {
    font-size: 1.65rem;
  }

  .btn-wa-main {
    width: 100%;
    justify-content: center;
  }

  .wa-helper-pill {
    flex-direction: column;
    text-align: center;
    width: 100%;
    border-radius: var(--radius-sm);
  }
}