/* ========================================
   GRUPO A4B — Design System (Preto & Branco)
   ======================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

:root {
  --bg-primary: #000000;
  --bg-secondary: #0a0a0a;
  --bg-card: rgba(255,255,255,0.04);
  --bg-card-hover: rgba(255,255,255,0.08);
  --text-primary: #ffffff;
  --text-secondary: #b0b0b0;
  --text-muted: #6a6a6a;
  --accent: #ffffff;
  --accent-dim: rgba(255,255,255,0.15);
  --border: rgba(255,255,255,0.1);
  --border-hover: rgba(255,255,255,0.25);
  --glow: rgba(255,255,255,0.08);
  --radius: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --font: 'Inter', -apple-system, sans-serif;
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
  --max-width: 1200px;
  --animate-duration: 0.6s;
}

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

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

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

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- BUTTONS ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-family: var(--font);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
  text-align: center;
  justify-content: center;
}

.btn-primary {
  background: var(--text-primary);
  color: var(--bg-primary);
  border-color: var(--text-primary);
}
.btn-primary:hover {
  background: transparent;
  color: var(--text-primary);
  box-shadow: 0 0 30px var(--glow);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--accent-dim);
}
.btn-outline:hover {
  border-color: var(--text-primary);
  box-shadow: 0 0 30px var(--glow);
  transform: translateY(-2px);
}

/* ---- NAVBAR ---- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 20px 0;
  transition: var(--transition);
  background: transparent;
}
.navbar.scrolled {
  background: rgba(0,0,0,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}
.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.navbar .logo {
  display: flex;
  align-items: center;
}
.navbar .logo img {
  height: 60px;
  width: auto;
  transition: var(--transition);
}
.navbar.scrolled .logo img {
  height: 48px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--text-primary);
  transition: var(--transition);
}
.nav-links a:hover { color: var(--text-primary); }
.nav-links a:hover::after { width: 100%; }
.nav-cta .btn { padding: 10px 24px; font-size: 0.85rem; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: var(--transition);
}

/* ---- HERO ---- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  padding-bottom: 60px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,0.03) 0%, transparent 70%);
  pointer-events: none;
}
.hero .container {
  text-align: center;
  position: relative;
  z-index: 2;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  border-radius: 50px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 32px;
  backdrop-filter: blur(10px);
}
.hero-badge .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-primary);
  animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.hero h1 {
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 10px;
  letter-spacing: -1.5px;
}

.hero-rotating-wrapper {
  height: 60px;
  overflow: hidden;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-rotating-text {
  font-size: clamp(1.4rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--text-secondary);
  border-bottom: 2px solid var(--accent-dim);
  padding-bottom: 4px;
}

.hero p {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto 40px;
  line-height: 1.7;
}
.hero-ctas {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---- SOCIAL PROOF BAR ---- */
.social-proof {
  padding: 40px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-secondary);
}
.social-proof .container {
  text-align: center;
}
.social-proof p {
  font-size: 0.95rem;
  color: var(--text-muted);
  font-weight: 500;
}
.social-proof strong {
  color: var(--text-secondary);
}

/* ---- CLIENTS MARQUEE ---- */
.clients-marquee {
  padding: 40px 0;
  background: var(--bg-primary);
  overflow: hidden;
}
.marquee-title {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 32px;
}
.marquee-wrapper {
  position: relative;
  display: flex;
  width: 100%;
  overflow: hidden;
  mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
}
.marquee-track {
  display: flex;
  align-items: center;
  gap: 60px;
  width: max-content;
  animation: scrollMarquee 30s linear infinite;
}
.marquee-track img {
  height: 90px;
  width: auto;
  opacity: 0.5;
  filter: grayscale(100%);
  transition: var(--transition);
}
.marquee-track img:hover {
  opacity: 1;
  filter: grayscale(0%);
}
@keyframes scrollMarquee {
  to { transform: translateX(calc(-50% - 30px)); }
}

/* ---- SECTIONS COMMON ---- */
section {
  padding: 100px 0;
}
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--text-muted);
  margin-bottom: 16px;
}
.section-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -1px;
  margin-bottom: 20px;
}
.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 600px;
  line-height: 1.7;
}
.text-center { text-align: center; }
.text-center .section-subtitle { margin: 0 auto; }

/* ---- PAIN POINTS ---- */
.pain-points .container {
  max-width: 1100px;
}
.pain-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  text-align: left;
}
.pain-header {
  margin-bottom: 32px;
}
.pain-header .section-subtitle {
  margin: 0;
}
.pain-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.pain-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 24px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-card);
  transition: var(--transition);
}
.pain-item:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
}
.pain-icon {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  font-size: 1rem;
}
.pain-item p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.4;
  margin: 0;
}
.pain-image-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.pain-image-wrapper img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.3s ease;
}
.pain-image-wrapper:hover img {
  transform: scale(1.02);
}

@media (max-width: 968px) {
  .pain-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }
  .pain-header .section-subtitle {
    margin: 0 auto;
  }
  .pain-item {
    text-align: left;
  }
}
.pain-list--centered {
  max-width: 720px;
  margin: 0 auto;
  text-align: left;
}

/* ---- VALUE PROPOSITION ---- */
.value-prop {
  position: relative;
}
.value-prop .container {
  max-width: 900px;
}
.value-prop .section-subtitle {
  max-width: 100%;
  margin-top: 20px;
}

/* ---- FUNNELS SECTION ---- */
.funnels-section {
  background: var(--bg-secondary);
}
.funnels-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
  text-align: left;
}
.funnel-card {
  padding: 36px 28px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--bg-card);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.funnel-card--featured {
  border-color: rgba(255,255,255,0.25);
  background: rgba(255,255,255,0.06);
}
.funnel-card--featured::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.5), transparent);
}
.funnel-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}
.funnel-number {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--text-muted);
  text-transform: uppercase;
}
.funnel-icon {
  font-size: 2rem;
  line-height: 1;
}
.funnel-card h3 {
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin: 0;
}
.funnel-tagline {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
  margin: 0;
  font-style: italic;
}
.funnel-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 0;
  list-style: none;
  flex: 1;
}
.funnel-list li {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
  padding-left: 20px;
  position: relative;
}
.funnel-list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--text-muted);
}
.funnel-result {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-primary);
  padding: 12px 16px;
  border-radius: var(--radius);
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  line-height: 1.4;
}
@media (max-width: 968px) {
  .funnels-grid { grid-template-columns: 1fr; }
}

/* ---- FEATURES GRID ---- */
.features {
  background: var(--bg-secondary);
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  margin-top: 48px;
}
.feature-card {
  padding: 32px 28px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--bg-card);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  opacity: 0;
  transition: var(--transition);
}
.feature-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}
.feature-card:hover::before { opacity: 1; }
.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius);
  background: rgba(255,255,255,0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 20px;
}
.feature-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
}
.feature-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ---- ROADMAP (COMO FUNCIONA) ---- */
.roadmap-container {
  position: relative;
  max-width: 800px;
  margin: 48px auto 0;
  padding-left: 20px;
}
.roadmap-container::before {
  content: '';
  position: absolute;
  left: 27px; /* center of node */
  top: 0;
  bottom: 0;
  width: 2px;
  background: rgba(255,255,255,0.05);
  z-index: 0;
}
.roadmap-step {
  position: relative;
  padding-left: 40px;
  margin-bottom: 32px;
  z-index: 1;
}
.roadmap-step:last-child {
  margin-bottom: 0;
}
.step-node {
  position: absolute;
  left: -2px; /* align with line */
  top: 0;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 2px solid rgba(255,255,255,0.2);
  transition: var(--transition);
  z-index: 2;
}
.step-content {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px 32px;
  transition: var(--transition);
}
.step-number {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  display: block;
  margin-bottom: 8px;
}
.step-content h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0;
  transition: var(--transition);
}
.step-body {
  margin-top: 16px;
  overflow: hidden;
  transition: max-height 0.5s ease, opacity 0.5s ease;
  max-height: 500px;
  opacity: 1;
}
.step-body p {
  color: var(--text-secondary);
  line-height: 1.6;
  font-size: 0.95rem;
  margin-bottom: 20px;
}
.step-unlock-btn {
  margin-top: 10px;
  width: 100%;
}

/* ROADMAP STATES */
.roadmap-step.locked .step-node {
  background: var(--bg-primary);
  border-color: rgba(255,255,255,0.05);
}
.roadmap-step.locked .step-content {
  opacity: 0.5;
  border-color: transparent;
  cursor: pointer;
}
.roadmap-step.locked .step-content:hover {
  opacity: 0.8;
  border-color: var(--border);
}
.roadmap-step.locked .step-body {
  max-height: 0;
  opacity: 0;
  margin-top: 0;
}
.roadmap-step.locked h3 {
  color: var(--text-muted);
}
.roadmap-step.active .step-node {
  background: #fff;
  border-color: #fff;
  box-shadow: 0 0 15px rgba(255,255,255,0.5);
}
.roadmap-step.active .step-content {
  border-color: var(--border-hover);
  background: rgba(255,255,255,0.02);
}


/* ---- INTEGRATION ---- */
.integration {
  position: relative;
}
.integration-visual {
  margin-top: 48px;
  padding: 40px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  background: var(--bg-card);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.integration-visual::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(255,255,255,0.02) 0%, transparent 70%);
}
.integration-logos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 32px;
  position: relative;
  z-index: 1;
}
.int-logo {
  width: 64px;
  height: 64px;
  border-radius: var(--radius);
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  transition: var(--transition);
}
.int-logo:hover {
  transform: scale(1.1);
  border-color: var(--border-hover);
  background: rgba(255,255,255,0.1);
}

/* ---- SCHEDULING ---- */
.scheduling {
  background: var(--bg-secondary);
}
.scheduling-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  margin-top: 48px;
}
.scheduling-text p {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 24px;
}
.scheduling-visual {
  padding: 32px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  background: var(--bg-card);
  position: relative;
}
.calendar-mock {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 8px;
}
.cal-day {
  aspect-ratio: 1;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
  background: rgba(255,255,255,0.03);
  transition: var(--transition);
}
.cal-day.active {
  background: rgba(255,255,255,0.12);
  color: var(--text-primary);
  font-weight: 700;
}
.cal-day.highlight {
  background: var(--text-primary);
  color: var(--bg-primary);
  font-weight: 700;
}

/* ---- RESULTS ---- */
.results {
  position: relative;
}
.results-header {
  text-align: center;
  margin-bottom: 60px;
}

/* ---- CASE STUDY ---- */
.case-study {
  padding: 40px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  background: var(--bg-card);
  margin-bottom: 40px;
  transition: var(--transition);
}
.case-study:hover {
  border-color: var(--border-hover);
}
.case-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
  flex-wrap: wrap;
  gap: 16px;
}
.case-location {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.case-result-badge {
  padding: 8px 20px;
  border-radius: 50px;
  background: rgba(255,255,255,0.08);
  border: 1px solid var(--border);
  font-weight: 700;
  font-size: 0.95rem;
}
.case-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 32px;
}
.case-block h4 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-muted);
  margin-bottom: 12px;
  font-weight: 600;
}
.case-block p, .case-block li {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}
.case-block ul { padding-left: 0; }
.case-block li {
  padding: 6px 0;
  padding-left: 20px;
  position: relative;
}
.case-block li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--text-muted);
}
.case-stars {
  color: var(--text-primary);
  font-size: 1.1rem;
  margin-top: 16px;
  letter-spacing: 2px;
}

/* ---- METRICS ---- */
.metrics {
  padding: 80px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-secondary);
}
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  text-align: center;
}
.metric h3 {
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 900;
  letter-spacing: -2px;
  margin-bottom: 8px;
}
.metric p {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* ---- ABOUT ---- */
.about {
  position: relative;
}
.about-content {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 60px;
  align-items: start;
  margin-top: 48px;
}
.about-text p {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 20px;
  font-size: 1rem;
}
.about-text p.highlight-text {
  color: var(--text-primary);
  font-weight: 500;
  font-size: 1.05rem;
}
.about-ceo {
  padding: 32px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  background: var(--bg-card);
}
.ceo-photo {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  border: 2px solid var(--border);
  overflow: hidden;
}
.ceo-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
}
.ceo-name {
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 4px;
}
.ceo-role {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}
.about-ceo p.ceo-bio {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ---- CTA FINAL ---- */
.cta-final {
  padding: 120px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-final::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,0.04) 0%, transparent 70%);
  pointer-events: none;
}
.cta-final .section-title {
  font-size: clamp(2rem, 4vw, 3rem);
}
.cta-final .section-subtitle {
  margin: 0 auto 40px;
}

/* ---- FOOTER ---- */
.footer {
  padding: 40px 0;
  border-top: 1px solid var(--border);
  text-align: center;
}
.footer p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ---- MOBILE NAV ---- */
.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: rgba(0,0,0,0.98);
  backdrop-filter: blur(25px);
  z-index: 2000; /* Higher than navbar */
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
}
.mobile-menu.active { display: flex; }
.mobile-menu a {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-primary);
  transition: var(--transition);
  text-decoration: none;
}
.mobile-menu a:hover { opacity: 0.7; }
.mobile-close {
  position: absolute;
  top: 30px;
  right: 30px;
  background: rgba(255,255,255,0.1);
  border: none;
  color: var(--text-primary);
  font-size: 2.5rem;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  cursor: pointer;
  z-index: 2100;
}

/* ---- WHATSAPP FLOAT ---- */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--text-primary);
  color: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  z-index: 900;
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(255,255,255,0.15);
}
.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 30px rgba(255,255,255,0.25);
}

/* ---- CHAT MOCK DYNAMIC ---- */
.chat-mock {
  display: flex;
  flex-direction: column;
  height: 400px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
}

/* Demo header banner */
.chat-demo-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  background: rgba(255, 200, 0, 0.06);
  border-bottom: 1px solid rgba(255, 200, 0, 0.15);
  flex-shrink: 0;
}
.chat-demo-badge {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: rgba(255, 200, 0, 0.9);
  white-space: nowrap;
}
.chat-demo-label {
  font-size: 0.72rem;
  color: rgba(255, 200, 0, 0.55);
  line-height: 1.3;
}

/* Disclaimer below chat */
.chat-disclaimer {
  margin-top: 14px;
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.6;
  padding: 12px 16px;
  border-radius: var(--radius);
  border: 1px solid rgba(255,200,0,0.12);
  background: rgba(255,200,0,0.03);
}
.chat-messages {
  flex: 1;
  padding: 24px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
/* Custom Scrollbar for chat */
.chat-messages::-webkit-scrollbar { width: 6px; }
.chat-messages::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 10px; }

.chat-msg {
  max-width: 85%;
  padding: 12px 16px;
  border-radius: 16px;
  font-size: 0.88rem;
  line-height: 1.5;
  animation: chatFadeIn 0.3s ease forwards;
}
.chat-msg.bot {
  background: rgba(255,255,255,0.08);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  align-self: flex-start;
  border-bottom-left-radius: 4px;
}
.chat-msg.user {
  background: rgba(255,255,255,0.15);
  color: var(--text-primary);
  align-self: flex-end;
  border-bottom-right-radius: 4px;
}
.chat-msg .btn-primary {
  display: inline-block;
  margin-top: 12px;
  font-size: 0.8rem;
  padding: 10px 16px;
}

/* Typing Indicator */
.chat-typing {
  align-self: flex-start;
  background: rgba(255,255,255,0.04);
  padding: 8px 14px;
  border-radius: 16px;
  border-bottom-left-radius: 4px;
  margin: 0 24px 12px 24px;
  display: flex;
  gap: 4px;
  align-items: center;
}
.chat-typing .dot {
  width: 6px;
  height: 6px;
  background: var(--text-muted);
  border-radius: 50%;
  animation: typeBounce 1.4s infinite ease-in-out both;
}
.chat-typing .dot:nth-child(1) { animation-delay: -0.32s; }
.chat-typing .dot:nth-child(2) { animation-delay: -0.16s; }
@keyframes typeBounce {
  0%, 80%, 100% { transform: scale(0); }
  40% { transform: scale(1); }
}

/* Input Area */
.chat-input-area {
  display: flex;
  padding: 16px;
  border-top: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
  gap: 12px;
}
.chat-input-area input {
  flex: 1;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 12px 20px;
  color: var(--text-primary);
  font-family: var(--font);
  font-size: 0.9rem;
  outline: none;
  transition: var(--transition);
}
.chat-input-area input:focus {
  border-color: rgba(255,255,255,0.2);
  background: rgba(255,255,255,0.08);
}
.chat-input-area button {
  background: #fff;
  color: #000;
  border: none;
  border-radius: 50%;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}
.chat-input-area button:hover {
  transform: scale(1.05);
}

@keyframes chatFadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---- ANIMATIONS ---- */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* ---- SCROLL ANIMATION UTILITY ---- */
.animated-hidden {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.animated-visible {
  opacity: 1 !important;
  transform: translateY(0) !important;
}

/* ---- MODAL OVERLAY ---- */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0,0,0,0.80);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.modal-overlay.active {
  display: flex;
  animation: modalFadeIn 0.3s ease;
}
@keyframes modalFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
.modal-card {
  background: #111111;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 40px 36px;
  width: 100%;
  max-width: 460px;
  position: relative;
  animation: modalSlideUp 0.35s ease;
}
@keyframes modalSlideUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
.modal-close-btn {
  position: absolute;
  top: 16px;
  right: 20px;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.8rem;
  cursor: pointer;
  transition: var(--transition);
  line-height: 1;
}
.modal-close-btn:hover { color: var(--text-primary); }

.modal-header {
  margin-bottom: 28px;
}
.modal-header h3 {
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 8px;
  letter-spacing: -0.5px;
}
.modal-header p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* ---- FORM STYLES ---- */
.form-group {
  margin-bottom: 18px;
}
.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-bottom: 6px;
}
.form-group input {
  width: 100%;
  padding: 14px 16px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.04);
  color: var(--text-primary);
  font-family: var(--font);
  font-size: 0.95rem;
  transition: var(--transition);
  outline: none;
}
.form-group input::placeholder {
  color: var(--text-muted);
}
.form-group input:focus {
  border-color: var(--border-hover);
  background: rgba(255,255,255,0.07);
  box-shadow: 0 0 0 3px rgba(255,255,255,0.05);
}
.btn-full {
  width: 100%;
  margin-top: 8px;
}
.form-feedback {
  text-align: center;
  font-size: 0.9rem;
  margin-top: 16px;
  padding: 8px;
  border-radius: var(--radius);
  min-height: 20px;
}
.form-feedback.success {
  color: #a0e6a0;
  background: rgba(160,230,160,0.08);
}
.form-feedback.error {
  color: #e6a0a0;
  background: rgba(230,160,160,0.08);
}

/* ---- RESPONSIVE ---- */
@media (max-width: 968px) {
  .nav-links, .nav-cta { display: none; }
  .hamburger { display: flex; }
  .scheduling-content { grid-template-columns: 1fr; }
  .about-content { grid-template-columns: 1fr; }
  .case-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  section { padding: 70px 0; }
  .hero { padding-top: 80px; }
  .metrics-grid { grid-template-columns: 1fr; gap: 32px; }
  .case-study { padding: 28px; }
  .case-header { flex-direction: column; align-items: flex-start; }
  .hero-rotating-wrapper { height: 45px; }
  .modal-card { padding: 32px 24px; }
}
@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero-ctas { flex-direction: column; align-items: center; }
  .btn { width: 100%; max-width: 300px; }
  .modal-card { padding: 28px 20px; }
}