/* ============================================
   DocttoAtende — Landing Page (Professional)
   Design System + Refined Styles
   ============================================ */

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

/* --- Design Tokens --- */
:root {
  /* Brand */
  --primary: #0b63e5;
  --primary-hover: #0950b8;
  --primary-soft: #e8f0fe;
  --primary-glow: rgba(11,99,229,.15);

  /* Accent */
  --accent: #00c896;
  --accent-hover: #00a87d;
  --accent-soft: #e6faf4;

  /* Neutral */
  --gray-950: #0a0f1a;
  --gray-900: #0f172a;
  --gray-800: #1e293b;
  --gray-700: #334155;
  --gray-600: #475569;
  --gray-500: #64748b;
  --gray-400: #94a3b8;
  --gray-300: #cbd5e1;
  --gray-200: #e2e8f0;
  --gray-100: #f1f5f9;
  --gray-50: #f8fafc;
  --white: #ffffff;

  /* Semantic */
  --danger: #ef4444;
  --warning: #f59e0b;
  --success: #22c55e;

  /* Typography */
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --leading-tight: 1.15;
  --leading-snug: 1.35;
  --leading-normal: 1.6;
  --leading-relaxed: 1.75;
  --tracking-tight: -0.025em;

  /* Spacing */
  --section-y: 96px;
  --section-y-sm: 64px;

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(0,0,0,.04);
  --shadow-sm: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow: 0 4px 6px -1px rgba(0,0,0,.07), 0 2px 4px -2px rgba(0,0,0,.05);
  --shadow-md: 0 10px 15px -3px rgba(0,0,0,.08), 0 4px 6px -4px rgba(0,0,0,.05);
  --shadow-lg: 0 20px 25px -5px rgba(0,0,0,.08), 0 8px 10px -6px rgba(0,0,0,.04);
  --shadow-xl: 0 25px 50px -12px rgba(0,0,0,.15);
  --shadow-glow: 0 0 0 4px var(--primary-glow);

  /* Radius */
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Transitions */
  --ease: cubic-bezier(.4,0,.2,1);
  --duration: 200ms;
}

/* --- Global --- */
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  font-family: var(--font);
  color: var(--gray-700);
  background: var(--white);
  line-height: var(--leading-normal);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
::selection { background: var(--primary-soft); color: var(--primary); }
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
button { font-family: inherit; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.container-sm { max-width: 760px; }

/* --- Announcement Bar --- */
.announcement-bar {
  background: var(--gray-900);
  color: var(--white);
  font-size: 13px;
  text-align: center;
  position: relative;
}
.announcement-bar .container {
  display: flex; align-items: center; justify-content: center;
  padding: 10px 24px; gap: 8px;
}
.announcement-bar p { display: flex; align-items: center; gap: 6px; }
.announcement-bar a { color: var(--accent); font-weight: 600; text-decoration: underline; text-underline-offset: 2px; }
.announcement-bar a:hover { color: #fff; }
.announcement-close {
  position: absolute; right: 16px; top: 50%; transform: translateY(-50%);
  background: none; border: none; color: var(--gray-400); cursor: pointer; font-size: 16px;
  padding: 4px;
}
.announcement-bar.hidden { display: none; }

/* --- Nav --- */
#nav {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid var(--gray-100);
  transition: box-shadow var(--duration) var(--ease);
}
#nav.scrolled { box-shadow: var(--shadow-sm); border-color: var(--gray-200); }

.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px; gap: 16px;
}

.logo {
  display: flex; align-items: center; gap: 10px;
  font-size: 18px; color: var(--gray-900);
}
.logo-mark {
  width: 32px; height: 32px; border-radius: var(--radius-sm);
  background: var(--primary); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 16px; font-weight: 800;
}
.logo-mark-dark { background: var(--gray-800); }
.logo-text { font-weight: 500; letter-spacing: var(--tracking-tight); }
.logo-text strong { font-weight: 800; color: var(--primary); }

.nav-links { display: flex; gap: 32px; }
.nav-links a {
  font-size: 14px; font-weight: 500; color: var(--gray-500);
  transition: color var(--duration) var(--ease);
  position: relative;
}
.nav-links a:hover { color: var(--gray-900); }
.nav-links a::after {
  content: ''; position: absolute; bottom: -4px; left: 0; right: 0;
  height: 2px; background: var(--primary); border-radius: 1px;
  transform: scaleX(0); transition: transform var(--duration) var(--ease);
}
.nav-links a:hover::after { transform: scaleX(1); }

.nav-actions { display: flex; align-items: center; gap: 8px; }

.hamburger {
  display: none; background: none; border: none; cursor: pointer;
  padding: 8px; border-radius: var(--radius-sm);
}
.hamburger:hover { background: var(--gray-100); }
.hamburger span { display: block; width: 20px; height: 2px; background: var(--gray-900); margin: 4px 0; transition: .3s; border-radius: 1px; }

/* --- Buttons --- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: inherit; font-weight: 600; border-radius: var(--radius);
  cursor: pointer; transition: all var(--duration) var(--ease);
  border: 2px solid transparent; text-align: center; white-space: nowrap;
  line-height: 1;
}
.btn i { font-size: 1.1em; }
.btn-sm { padding: 8px 16px; font-size: 13px; }
.btn-md { padding: 12px 24px; font-size: 14px; }
.btn-lg { padding: 16px 32px; font-size: 15px; }
.btn-block { width: 100%; }

.btn-primary {
  background: var(--primary); color: #fff; border-color: var(--primary);
}
.btn-primary:hover {
  background: var(--primary-hover); border-color: var(--primary-hover);
  transform: translateY(-1px); box-shadow: 0 4px 12px rgba(11,99,229,.25);
}
.btn-primary:active { transform: translateY(0); }

.btn-accent {
  background: var(--accent); color: #fff; border-color: var(--accent);
}
.btn-accent:hover {
  background: var(--accent-hover); border-color: var(--accent-hover);
  transform: translateY(-1px); box-shadow: 0 4px 12px rgba(0,200,150,.25);
}

.btn-outline {
  background: transparent; color: var(--primary); border-color: var(--primary);
}
.btn-outline:hover { background: var(--primary); color: #fff; }

.btn-outline-light {
  background: transparent; color: var(--gray-700); border-color: var(--gray-300);
}
.btn-outline-light:hover { border-color: var(--gray-900); color: var(--gray-900); }

.btn-ghost {
  background: transparent; color: var(--gray-600); border-color: transparent;
}
.btn-ghost:hover { color: var(--gray-900); background: var(--gray-50); }

/* --- Hero --- */
.hero {
  padding: 80px 0 96px;
  background: linear-gradient(170deg, var(--white) 0%, var(--gray-50) 50%, var(--primary-soft) 100%);
  position: relative; overflow: hidden;
}
.hero-bg-pattern {
  position: absolute; inset: 0; opacity: .03;
  background-image: radial-gradient(var(--primary) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}
.hero .container {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 64px; align-items: center; position: relative;
}

.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 16px; background: var(--white);
  border: 1px solid var(--gray-200); border-radius: var(--radius-full);
  font-size: 13px; font-weight: 500; color: var(--gray-600);
  margin-bottom: 24px; box-shadow: var(--shadow-xs);
}
.hero-eyebrow i { color: #25d366; font-size: 18px; }

.hero h1 {
  font-size: 56px; font-weight: 900; line-height: var(--leading-tight);
  color: var(--gray-900); margin-bottom: 20px;
  letter-spacing: -0.035em;
}

.hero-sub {
  font-size: 18px; line-height: var(--leading-relaxed); color: var(--gray-500);
  margin-bottom: 36px; max-width: 520px;
}
.hero-sub strong { color: var(--gray-700); }
.hero-sub em { font-style: normal; color: var(--primary); font-weight: 600; }

.hero-ctas { display: flex; gap: 12px; margin-bottom: 48px; flex-wrap: wrap; }

.hero-trust { display: flex; align-items: center; gap: 12px; }
.hero-trust-avatars { display: flex; }
.trust-avatar {
  width: 36px; height: 36px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 700; color: #fff;
  border: 3px solid var(--white); margin-left: -8px;
}
.trust-avatar:first-child { margin-left: 0; }
.hero-trust p { font-size: 14px; color: var(--gray-500); }
.hero-trust p strong { color: var(--gray-700); }

/* Phone Frame */
.hero-visual { display: flex; justify-content: center; position: relative; }
.phone-frame {
  width: 300px; background: var(--gray-900);
  border-radius: 40px; padding: 10px;
  box-shadow: var(--shadow-xl), inset 0 0 0 2px rgba(255,255,255,.1);
  position: relative;
}
.phone-speaker {
  width: 80px; height: 6px; background: var(--gray-800);
  border-radius: 3px; margin: 6px auto 8px; position: relative; z-index: 2;
}
.phone-screen {
  background: #e5ddd5; border-radius: 30px; overflow: hidden;
  height: 540px; display: flex; flex-direction: column;
}

/* WhatsApp Mock */
.wpp-header {
  background: #075e54; color: #fff; padding: 8px 12px;
  display: flex; align-items: center; gap: 8px;
}
.wpp-back { font-size: 18px; opacity: .7; }
.wpp-avatar {
  width: 34px; height: 34px; border-radius: 50%;
  background: var(--primary); display: flex; align-items: center;
  justify-content: center; font-weight: 700; font-size: 13px;
}
.wpp-info { flex: 1; }
.wpp-name { display: block; font-size: 13px; font-weight: 600; }
.wpp-status { display: block; font-size: 11px; opacity: .7; }
.wpp-actions { display: flex; gap: 16px; font-size: 18px; opacity: .7; }

.wpp-chat {
  flex: 1; padding: 8px 10px; overflow-y: auto;
  display: flex; flex-direction: column; gap: 4px;
  background: #ece5dd url("data:image/svg+xml,%3Csvg width='300' height='300' viewBox='0 0 300 300' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence baseFrequency='.65' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)' opacity='.03'/%3E%3C/svg%3E");
}

.wpp-date-badge {
  align-self: center; background: rgba(255,255,255,.9);
  padding: 4px 12px; border-radius: 8px; font-size: 11px;
  color: var(--gray-500); margin: 4px 0 2px;
  box-shadow: var(--shadow-xs);
}

.wpp-msg {
  max-width: 82%; padding: 6px 8px 4px; border-radius: 8px;
  font-size: 12.5px; line-height: 1.45; position: relative;
}
.wpp-msg p { margin: 0; }
.wpp-time {
  display: flex; justify-content: flex-end; align-items: center; gap: 3px;
  font-size: 10px; color: var(--gray-400); margin-top: 2px;
}
.wpp-in {
  background: #fff; align-self: flex-start; border-top-left-radius: 0;
  box-shadow: 0 1px 1px rgba(0,0,0,.06);
}
.wpp-out {
  background: #d9fdd3; align-self: flex-end; border-top-right-radius: 0;
  box-shadow: 0 1px 1px rgba(0,0,0,.06);
}

.wpp-input-bar {
  background: #f0f0f0; padding: 6px 10px;
  display: flex; align-items: center; gap: 8px;
  font-size: 18px; color: var(--gray-400);
}
.wpp-input-field {
  flex: 1; background: #fff; padding: 8px 14px;
  border-radius: 20px; font-size: 13px; color: var(--gray-400);
}

/* Floating badges */
.float-badge {
  position: absolute; display: flex; align-items: center; gap: 8px;
  background: var(--white); padding: 10px 16px; border-radius: var(--radius);
  font-size: 13px; font-weight: 600; color: var(--gray-700);
  box-shadow: var(--shadow-lg); border: 1px solid var(--gray-100);
  animation: float 3s ease-in-out infinite;
}
.float-badge i { font-size: 18px; }
.float-badge-1 { top: 15%; right: -30px; animation-delay: 0s; }
.float-badge-1 i { color: var(--primary); }
.float-badge-2 { bottom: 20%; left: -20px; animation-delay: 1.5s; }
.float-badge-2 i { color: var(--accent); }

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* --- Trust Bar --- */
.trust-bar {
  padding: 24px 0; border-bottom: 1px solid var(--gray-100);
  background: var(--white);
}
.trust-bar .container { display: flex; flex-direction: column; align-items: center; gap: 16px; }
.trust-bar-label { font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: .08em; color: var(--gray-400); }
.trust-logos { display: flex; gap: 32px; flex-wrap: wrap; justify-content: center; }
.trust-logo-item {
  display: flex; align-items: center; gap: 6px;
  font-size: 14px; font-weight: 500; color: var(--gray-400);
}
.trust-logo-item i { font-size: 20px; }

/* --- Sections --- */
.section { padding: var(--section-y) 0; }
.section-muted { background: var(--gray-50); }
.section-dark { background: var(--gray-900); color: var(--white); }
.section-dark h2 { color: var(--white); }
.section-dark .section-sub { color: var(--gray-400); }

.section-header { text-align: center; margin-bottom: 56px; }
.section-tag {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12px; font-weight: 700; text-transform: uppercase;
  letter-spacing: .1em; color: var(--primary);
  margin-bottom: 16px;
}
.section-tag i { font-size: 14px; }
.section-tag-dark { color: var(--accent); }
.section-header h2 {
  font-size: 40px; font-weight: 800; color: var(--gray-900);
  margin-bottom: 16px; line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
}
.section-sub {
  font-size: 18px; color: var(--gray-500); line-height: var(--leading-normal);
  max-width: 600px; margin: 0 auto;
}

/* --- Metrics --- */
.metrics-section { padding: 72px 0; }
.metrics-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.metric {
  text-align: center; padding: 24px 16px;
  border: 1px solid var(--gray-200); border-radius: var(--radius-lg);
  background: var(--white); transition: all var(--duration) var(--ease);
}
.metric:hover { border-color: var(--primary-soft); box-shadow: var(--shadow-md); transform: translateY(-2px); }
.metric-icon { font-size: 24px; color: var(--primary); margin-bottom: 12px; }
.metric-value { font-size: 42px; font-weight: 900; color: var(--gray-900); line-height: 1; margin-bottom: 4px; letter-spacing: var(--tracking-tight); }
.metric-unit { font-size: 24px; font-weight: 700; }
.metric-label { font-size: 14px; font-weight: 600; color: var(--gray-700); margin-bottom: 2px; }
.metric-detail { font-size: 12px; color: var(--gray-400); }

/* --- Problems --- */
.problems-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.problem-card {
  background: var(--white); border-radius: var(--radius-lg); padding: 28px;
  border: 1px solid var(--gray-200);
  transition: all var(--duration) var(--ease);
}
.problem-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--gray-300); }
.problem-icon-wrap {
  width: 48px; height: 48px; border-radius: var(--radius);
  background: #fef2f2; color: var(--danger);
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; margin-bottom: 16px;
}
.problem-card h3 { font-size: 16px; font-weight: 700; margin-bottom: 8px; color: var(--gray-900); }
.problem-card p { font-size: 14px; color: var(--gray-500); line-height: var(--leading-relaxed); }

/* --- Steps --- */
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 48px; position: relative; }
.step { text-align: center; position: relative; }
.step-line {
  position: absolute; top: 28px; left: calc(50% + 40px); right: calc(-50% + 40px);
  height: 2px; background: var(--gray-200);
}
.step:last-child .step-line { display: none; }
.step-number {
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--primary); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; font-weight: 800; margin: 0 auto 16px;
  position: relative; z-index: 1;
  box-shadow: 0 0 0 8px var(--primary-soft);
}
.step-icon { font-size: 28px; color: var(--gray-400); margin-bottom: 12px; }
.step h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; color: var(--gray-900); }
.step p { font-size: 14px; color: var(--gray-500); line-height: var(--leading-relaxed); max-width: 280px; margin: 0 auto; }

/* --- Comparison --- */
.comparison-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; max-width: 900px; margin: 0 auto; }
.comparison-card { padding: 32px; border-radius: var(--radius-lg); }
.comparison-label { font-size: 18px; font-weight: 700; margin-bottom: 24px; }
.comparison-card ul { list-style: none; }
.comparison-card li {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 10px 0; font-size: 15px; line-height: var(--leading-snug);
}
.comparison-card li i { font-size: 16px; margin-top: 2px; flex-shrink: 0; }
.comparison-them { background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.08); }
.comparison-them li i { color: #f87171; }
.comparison-us { background: rgba(0,200,150,.06); border: 2px solid var(--accent); }
.comparison-us .comparison-label { color: var(--accent); display: flex; align-items: center; gap: 8px; }
.comparison-us li i { color: var(--accent); }

/* --- Features --- */
.features-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.feature-card {
  background: var(--white); border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg); padding: 24px;
  transition: all var(--duration) var(--ease);
}
.feature-card:hover { transform: translateY(-2px); box-shadow: var(--shadow); border-color: var(--gray-300); }
.feature-icon {
  width: 44px; height: 44px; border-radius: var(--radius);
  background: var(--primary-soft); color: var(--primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; margin-bottom: 14px;
}
.feature-card h3 { font-size: 14px; font-weight: 700; margin-bottom: 6px; color: var(--gray-900); }
.feature-card p { font-size: 13px; color: var(--gray-500); line-height: var(--leading-normal); }

/* --- Testimonials --- */
.testimonials-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.testimonial-card {
  background: var(--white); border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg); padding: 28px;
  transition: all var(--duration) var(--ease);
}
.testimonial-card:hover { box-shadow: var(--shadow-md); }
.testimonial-rating { color: var(--warning); font-size: 16px; margin-bottom: 16px; display: flex; gap: 2px; }
.testimonial-card blockquote {
  font-size: 14px; color: var(--gray-600); line-height: var(--leading-relaxed);
  margin-bottom: 20px; font-style: italic;
}
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.testimonial-avatar {
  width: 44px; height: 44px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 13px; color: #fff; flex-shrink: 0;
}
.testimonial-author strong { display: block; font-size: 14px; color: var(--gray-900); }
.testimonial-author span { font-size: 12px; color: var(--gray-400); }

/* --- Pricing --- */
.pricing-toggle {
  display: flex; align-items: center; justify-content: center; gap: 12px;
  margin-bottom: 40px;
}
.toggle-label { font-size: 14px; font-weight: 500; color: var(--gray-400); transition: color var(--duration); }
.toggle-label.toggle-active { color: var(--gray-900); font-weight: 600; }
.toggle-discount { background: var(--accent-soft); color: var(--accent-hover); font-size: 11px; font-weight: 700; padding: 2px 8px; border-radius: var(--radius-full); }
.toggle-switch {
  width: 48px; height: 26px; background: var(--gray-200);
  border-radius: 13px; border: none; cursor: pointer;
  position: relative; transition: background var(--duration);
}
.toggle-switch.active { background: var(--primary); }
.toggle-knob {
  width: 22px; height: 22px; background: var(--white);
  border-radius: 50%; position: absolute; top: 2px; left: 2px;
  transition: transform var(--duration); box-shadow: var(--shadow-sm);
}
.toggle-switch.active .toggle-knob { transform: translateX(22px); }

.pricing-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; align-items: start; }
.pricing-card {
  background: var(--white); border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg); padding: 32px 24px;
  position: relative; transition: all var(--duration) var(--ease);
}
.pricing-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }

.pricing-popular {
  border: 2px solid var(--primary); box-shadow: var(--shadow-lg);
  transform: scale(1.03);
}
.pricing-popular:hover { transform: scale(1.03) translateY(-4px); }

.pricing-badge {
  position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
  background: var(--primary); color: #fff; font-size: 11px;
  font-weight: 700; padding: 5px 16px; border-radius: var(--radius-full);
  white-space: nowrap;
}

.pricing-header { margin-bottom: 20px; }
.pricing-name { font-size: 20px; font-weight: 700; color: var(--gray-900); }
.pricing-desc { font-size: 13px; color: var(--gray-400); margin-top: 2px; }

.pricing-price { margin-bottom: 24px; display: flex; align-items: baseline; gap: 2px; }
.price-from { font-size: 16px; font-weight: 600; color: var(--gray-400); }
.price-value { font-size: 44px; font-weight: 900; color: var(--gray-900); line-height: 1; letter-spacing: var(--tracking-tight); }
.price-period { font-size: 14px; color: var(--gray-400); margin-left: 4px; }

.pricing-features { list-style: none; margin-bottom: 24px; }
.pricing-features li {
  display: flex; align-items: center; gap: 8px;
  padding: 5px 0; font-size: 13px; color: var(--gray-600);
}
.pricing-features li i { font-size: 14px; flex-shrink: 0; }
.pricing-features li.included i { color: var(--accent); }
.pricing-features li.excluded { color: var(--gray-300); }
.pricing-features li.excluded i { color: var(--gray-300); }

.pricing-note {
  text-align: center; font-size: 13px; color: var(--gray-400);
  margin-top: 32px; line-height: var(--leading-relaxed);
}

/* --- Security --- */
.security-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center;
}
.security-content h2 {
  font-size: 32px; font-weight: 800; color: var(--gray-900);
  margin-bottom: 16px; line-height: var(--leading-tight);
}
.security-content p { font-size: 16px; color: var(--gray-500); line-height: var(--leading-relaxed); }
.security-badges { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.security-badge {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 20px; border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg); background: var(--white);
}
.security-badge i { font-size: 24px; color: var(--accent); flex-shrink: 0; margin-top: 2px; }
.security-badge strong { display: block; font-size: 14px; color: var(--gray-900); }
.security-badge span { font-size: 12px; color: var(--gray-400); }

/* --- FAQ --- */
.faq-list { display: flex; flex-direction: column; gap: 8px; }
.faq-item { border: 1px solid var(--gray-200); border-radius: var(--radius); overflow: hidden; background: var(--white); }
.faq-question {
  width: 100%; padding: 18px 20px; background: transparent;
  border: none; cursor: pointer; font-family: inherit;
  font-size: 15px; font-weight: 600; color: var(--gray-900);
  text-align: left; display: flex; justify-content: space-between;
  align-items: center; transition: background var(--duration);
}
.faq-question:hover { background: var(--gray-50); }
.faq-arrow { transition: transform .3s var(--ease); font-size: 18px; color: var(--gray-400); }
.faq-item.open .faq-arrow { transform: rotate(180deg); color: var(--primary); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height .35s var(--ease); }
.faq-item.open .faq-answer { max-height: 400px; }
.faq-answer p { padding: 0 20px 18px; font-size: 14px; color: var(--gray-500); line-height: var(--leading-relaxed); }

/* --- CTA --- */
.section-cta {
  background: linear-gradient(135deg, var(--gray-900) 0%, var(--gray-950) 100%);
  color: #fff; text-align: center;
  position: relative; overflow: hidden;
}
.section-cta::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(11,99,229,.15) 0%, transparent 70%);
  pointer-events: none;
}
.cta-icon { font-size: 48px; color: var(--primary); margin-bottom: 16px; opacity: .8; }
.section-cta h2 { font-size: 36px; font-weight: 800; margin-bottom: 12px; position: relative; }
.cta-sub { font-size: 18px; color: var(--gray-400); margin-bottom: 40px; position: relative; }

.cta-form { max-width: 560px; margin: 0 auto; text-align: left; position: relative; }
.form-row { display: flex; gap: 12px; margin-bottom: 12px; }
.form-field { flex: 1; display: flex; flex-direction: column; gap: 4px; }
.form-field-full { flex: 1 1 100%; }
.form-field label {
  font-size: 11px; font-weight: 600; text-transform: uppercase;
  letter-spacing: .06em; color: var(--gray-400);
}
.form-field input, .form-field select {
  padding: 14px 16px; border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius); background: rgba(255,255,255,.06);
  color: #fff; font-family: inherit; font-size: 14px;
  transition: all var(--duration) var(--ease);
}
.form-field input::placeholder { color: rgba(255,255,255,.3); }
.form-field select { color: rgba(255,255,255,.5); }
.form-field select option { color: var(--gray-900); background: #fff; }
.form-field input:focus, .form-field select:focus {
  outline: none; border-color: var(--primary);
  background: rgba(255,255,255,.1);
  box-shadow: var(--shadow-glow);
}
.form-note {
  font-size: 12px; color: rgba(255,255,255,.4); margin-top: 16px; text-align: center;
  display: flex; align-items: center; justify-content: center; gap: 6px;
}

/* --- Footer --- */
.footer {
  background: var(--gray-900); color: rgba(255,255,255,.6);
  padding: 64px 0 32px;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 48px; margin-bottom: 40px;
}
.footer-brand p { font-size: 13px; margin-top: 16px; line-height: var(--leading-relaxed); }
.footer-brand .logo-text { color: #fff; }
.footer-social { display: flex; gap: 12px; margin-top: 16px; }
.footer-social a {
  width: 36px; height: 36px; border-radius: 50%;
  background: rgba(255,255,255,.06); display: flex;
  align-items: center; justify-content: center;
  font-size: 18px; transition: all var(--duration);
}
.footer-social a:hover { background: var(--primary); color: #fff; }

.footer-links h4 { color: #fff; font-size: 13px; font-weight: 700; margin-bottom: 20px; text-transform: uppercase; letter-spacing: .05em; }
.footer-links a {
  display: flex; align-items: center; gap: 6px;
  font-size: 13px; margin-bottom: 12px; transition: color var(--duration);
}
.footer-links a:hover { color: var(--primary); }
.footer-links a i { font-size: 14px; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08); padding-top: 24px;
  display: flex; justify-content: space-between; font-size: 12px;
  color: rgba(255,255,255,.3);
}

/* --- WhatsApp Float --- */
.whatsapp-float {
  position: fixed; bottom: 24px; right: 24px; z-index: 900;
  width: 60px; height: 60px; border-radius: 50%;
  background: #25d366; color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 32px; box-shadow: 0 4px 16px rgba(37,211,102,.4);
  transition: all var(--duration) var(--ease);
}
.whatsapp-float:hover { transform: scale(1.1); box-shadow: 0 6px 24px rgba(37,211,102,.5); }

/* --- Demo Interativa --- */
.demo-container { display: grid; grid-template-columns: 340px 1fr; gap: 48px; align-items: start; max-width: 900px; margin: 0 auto; }
.demo-phone-frame {
  background: var(--gray-900); border-radius: 36px; padding: 10px;
  box-shadow: var(--shadow-xl);
}
.demo-phone-speaker { width: 60px; height: 5px; background: var(--gray-800); border-radius: 3px; margin: 4px auto 6px; }
.demo-phone-screen { background: #ece5dd; border-radius: 26px; overflow: hidden; height: 500px; display: flex; flex-direction: column; }
.demo-wpp-header { background: #075e54; color: #fff; padding: 10px 14px; display: flex; align-items: center; gap: 10px; }
.demo-wpp-avatar { width: 34px; height: 34px; border-radius: 50%; background: var(--primary); display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 13px; color: #fff; }
.demo-wpp-info { flex: 1; }
.demo-wpp-name { display: block; font-size: 13px; font-weight: 600; }
.demo-wpp-status { display: flex; align-items: center; gap: 4px; font-size: 11px; opacity: .8; }
.demo-chat { flex: 1; padding: 10px; overflow-y: auto; display: flex; flex-direction: column; gap: 6px; }
.demo-msg { max-width: 88%; padding: 7px 10px 4px; border-radius: 8px; font-size: 13px; line-height: 1.5; animation: msgIn .3s var(--ease); }
.demo-msg p { margin: 0; }
.demo-msg-in { background: #fff; align-self: flex-start; border-top-left-radius: 0; box-shadow: 0 1px 1px rgba(0,0,0,.06); }
.demo-msg-out { background: #d9fdd3; align-self: flex-end; border-top-right-radius: 0; box-shadow: 0 1px 1px rgba(0,0,0,.06); }
.demo-time { display: block; text-align: right; font-size: 10px; color: var(--gray-400); margin-top: 2px; }
.demo-typing { background: #d9fdd3; align-self: flex-end; border-top-right-radius: 0; padding: 10px 16px; border-radius: 8px; }
.demo-typing-dots { display: flex; gap: 4px; }
.demo-typing-dots span { width: 7px; height: 7px; border-radius: 50%; background: var(--gray-400); animation: typingBounce 1.4s infinite; }
.demo-typing-dots span:nth-child(2) { animation-delay: .2s; }
.demo-typing-dots span:nth-child(3) { animation-delay: .4s; }
@keyframes typingBounce { 0%,60%,100% { transform: translateY(0); } 30% { transform: translateY(-6px); } }
@keyframes msgIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

.demo-input-bar { display: flex; gap: 8px; padding: 8px 10px; background: #f0f0f0; }
.demo-input-bar input { flex: 1; padding: 10px 16px; border: none; border-radius: 24px; font-size: 14px; font-family: inherit; outline: none; background: #fff; }
.demo-input-bar button { width: 40px; height: 40px; border-radius: 50%; background: #25d366; border: none; color: #fff; cursor: pointer; display: flex; align-items: center; justify-content: center; font-size: 18px; transition: background .2s; }
.demo-input-bar button:hover { background: #1da855; }

.demo-suggestions { padding-top: 8px; }
.demo-suggestions-label { font-size: 13px; font-weight: 600; color: var(--gray-500); margin-bottom: 12px; }
.demo-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.demo-chip { padding: 8px 16px; border-radius: var(--radius-full); border: 1px solid var(--gray-200); background: var(--white); font-size: 13px; color: var(--gray-600); cursor: pointer; transition: all .2s; font-family: inherit; }
.demo-chip:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-soft); }
.demo-note { display: flex; align-items: flex-start; gap: 8px; font-size: 12px; color: var(--gray-400); background: var(--gray-50); padding: 12px; border-radius: var(--radius); }
.demo-note i { font-size: 16px; flex-shrink: 0; margin-top: 1px; }

/* --- ROI Calculator --- */
.roi-container { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.roi-inputs { display: flex; flex-direction: column; gap: 24px; }
.roi-field { display: flex; flex-direction: column; gap: 8px; }
.roi-field label { font-size: 14px; font-weight: 600; color: var(--gray-700); }
.roi-field input[type="range"] { -webkit-appearance: none; width: 100%; height: 6px; border-radius: 3px; background: var(--gray-200); outline: none; cursor: pointer; }
.roi-field input[type="range"]::-webkit-slider-thumb { -webkit-appearance: none; width: 22px; height: 22px; border-radius: 50%; background: var(--primary); cursor: pointer; box-shadow: var(--shadow-sm); transition: transform .15s; }
.roi-field input[type="range"]::-webkit-slider-thumb:hover { transform: scale(1.15); }
.roi-field input[type="range"]::-moz-range-thumb { width: 22px; height: 22px; border-radius: 50%; background: var(--primary); cursor: pointer; border: none; }
.roi-field select { padding: 12px 16px; border: 1px solid var(--gray-200); border-radius: var(--radius); font-family: inherit; font-size: 14px; background: var(--white); color: var(--gray-700); }
.roi-range-value { font-size: 20px; font-weight: 800; color: var(--primary); }

.roi-results { display: flex; flex-direction: column; gap: 12px; }
.roi-result-card { display: flex; align-items: center; gap: 16px; padding: 16px 20px; background: var(--gray-50); border: 1px solid var(--gray-200); border-radius: var(--radius-lg); }
.roi-result-card.roi-highlight { background: var(--primary-soft); border-color: var(--primary); }
.roi-result-icon { font-size: 24px; color: var(--primary); flex-shrink: 0; }
.roi-highlight .roi-result-icon { color: var(--primary); }
.roi-result-value { font-size: 22px; font-weight: 800; color: var(--gray-900); white-space: nowrap; min-width: 120px; }
.roi-highlight .roi-result-value { color: var(--primary); font-size: 26px; }
.roi-result-label { font-size: 13px; color: var(--gray-500); }

.roi-vs-box { display: flex; align-items: center; gap: 16px; margin-top: 8px; padding: 20px; background: var(--gray-50); border-radius: var(--radius-lg); border: 1px solid var(--gray-200); }
.roi-vs-item { flex: 1; text-align: center; }
.roi-vs-label { display: block; font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; color: var(--gray-400); margin-bottom: 4px; }
.roi-vs-value { display: block; font-size: 22px; font-weight: 800; }
.roi-vs-detail { display: block; font-size: 11px; color: var(--gray-400); margin-top: 2px; }
.roi-vs-them .roi-vs-value { color: var(--danger); text-decoration: line-through; }
.roi-vs-us .roi-vs-value { color: var(--accent); }
.roi-vs-divider { font-size: 14px; font-weight: 800; color: var(--gray-300); }
.roi-cta { margin-top: 12px; }

/* --- Dashboard Preview --- */
.dashboard-tabs { display: flex; justify-content: center; gap: 8px; margin-bottom: 32px; }
.dash-tab { padding: 10px 20px; border-radius: var(--radius-full); border: 1px solid rgba(255,255,255,.15); background: transparent; color: rgba(255,255,255,.5); font-family: inherit; font-size: 13px; font-weight: 600; cursor: pointer; transition: all .2s; display: flex; align-items: center; gap: 6px; }
.dash-tab:hover { color: #fff; border-color: rgba(255,255,255,.3); }
.dash-tab.active { background: var(--primary); border-color: var(--primary); color: #fff; }
.dash-tab i { font-size: 16px; }

.dashboard-preview-wrapper { position: relative; max-width: 960px; margin: 0 auto; }
.dash-screen { display: none; }
.dash-screen.active { display: block; animation: fadeIn .4s var(--ease); }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.dash-mock { display: flex; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-xl); border: 1px solid rgba(255,255,255,.08); height: 440px; }
.dash-sidebar-mock { width: 200px; background: #0f1729; padding: 20px 0; flex-shrink: 0; }
.dash-logo-mock { padding: 0 20px 20px; font-size: 18px; font-weight: 800; color: var(--primary); }
.dash-logo-mock span { color: #fff; font-weight: 500; }
.dash-nav-mock { display: flex; flex-direction: column; }
.dash-nav-item { display: flex; align-items: center; gap: 10px; padding: 10px 20px; font-size: 13px; color: rgba(255,255,255,.4); cursor: default; transition: .2s; }
.dash-nav-item i { font-size: 16px; }
.dash-nav-item.active { color: #fff; background: rgba(255,255,255,.06); border-left: 3px solid var(--primary); }

.dash-content-mock { flex: 1; background: #f8fafc; overflow: hidden; display: flex; flex-direction: column; }
.dash-topbar-mock { display: flex; justify-content: space-between; align-items: center; padding: 14px 24px; background: #fff; border-bottom: 1px solid var(--gray-200); font-size: 14px; font-weight: 600; color: var(--gray-700); }
.dash-user-mock { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--gray-400); font-weight: 500; }

.dash-kpis-mock { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; padding: 20px 24px 12px; }
.dash-kpi { background: #fff; border: 1px solid var(--gray-200); border-radius: var(--radius); padding: 16px; text-align: center; }
.dash-kpi-val { display: block; font-size: 24px; font-weight: 800; color: var(--gray-900); }
.dash-kpi-label { font-size: 11px; color: var(--gray-400); }

.dash-charts-mock { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; padding: 0 24px 20px; flex: 1; }
.dash-chart { background: #fff; border: 1px solid var(--gray-200); border-radius: var(--radius); padding: 16px; display: flex; flex-direction: column; }
.dash-chart-title { font-size: 12px; font-weight: 700; color: var(--gray-600); margin-bottom: 12px; }
.dash-chart-bars { display: flex; align-items: flex-end; gap: 12px; flex: 1; padding-top: 8px; }
.dash-bar { flex: 1; background: var(--primary-soft); border-radius: 4px 4px 0 0; min-height: 20px; position: relative; transition: height .5s var(--ease); }
.dash-bar span { position: absolute; bottom: -18px; left: 50%; transform: translateX(-50%); font-size: 10px; color: var(--gray-400); }

.dash-upcoming { display: flex; flex-direction: column; gap: 6px; }
.dash-appt { display: flex; align-items: center; gap: 10px; padding: 8px 10px; background: var(--gray-50); border-radius: var(--radius-sm); font-size: 12px; }
.dash-appt-time { font-weight: 700; color: var(--gray-700); min-width: 40px; }
.dash-appt-name { flex: 1; color: var(--gray-600); }
.dash-appt-status { font-size: 10px; font-weight: 700; padding: 2px 8px; border-radius: var(--radius-full); }
.dash-appt-status.confirmed { background: #dcfce7; color: #166534; }
.dash-appt-status.pending { background: #fef3c7; color: #92400e; }

/* Dashboard Agenda View */
.dash-agenda-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; padding: 16px 24px; flex: 1; }
.dash-agenda-col { display: flex; flex-direction: column; gap: 6px; }
.dash-agenda-day { font-size: 12px; font-weight: 700; color: var(--gray-700); text-align: center; padding: 6px; background: #fff; border-radius: var(--radius-sm); border: 1px solid var(--gray-200); }
.dash-agenda-slot { font-size: 11px; padding: 8px; border-radius: var(--radius-sm); background: #fff; border: 1px solid var(--gray-200); color: var(--gray-400); text-align: center; }
.dash-agenda-slot.filled { background: var(--primary-soft); border-color: rgba(11,99,229,.15); color: var(--gray-700); font-weight: 500; }

/* Dashboard Patients View */
.dash-patients-table { padding: 16px 24px; flex: 1; overflow-y: auto; }
.dash-pt-header { display: grid; grid-template-columns: 2fr 1.2fr .8fr .6fr 1.5fr; gap: 8px; padding: 8px 12px; font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: var(--gray-400); border-bottom: 1px solid var(--gray-200); }
.dash-pt-row { display: grid; grid-template-columns: 2fr 1.2fr .8fr .6fr 1.5fr; gap: 8px; padding: 10px 12px; font-size: 12px; color: var(--gray-600); border-bottom: 1px solid var(--gray-100); align-items: center; }
.dash-nps { font-weight: 700; font-size: 13px; }
.dash-nps.good { color: var(--accent); }
.dash-nps.mid { color: var(--warning); }
.dash-tag { display: inline-block; padding: 2px 8px; border-radius: var(--radius-full); background: var(--primary-soft); color: var(--primary); font-size: 10px; font-weight: 600; margin: 1px 2px; }

/* --- Typing indicator (hero chat) --- */
.wpp-typing { display: flex; gap: 4px; padding: 10px 14px; background: #d9fdd3; align-self: flex-end; border-radius: 8px; border-top-right-radius: 0; }
.wpp-typing span { width: 7px; height: 7px; border-radius: 50%; background: #8a9a7c; animation: typingBounce 1.4s infinite; }
.wpp-typing span:nth-child(2) { animation-delay: .2s; }
.wpp-typing span:nth-child(3) { animation-delay: .4s; }

/* --- Testimonial metrics --- */
.testimonial-metric { display: flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 700; color: var(--accent); margin-bottom: 16px; padding: 8px 12px; background: var(--accent-soft); border-radius: var(--radius-sm); }
.testimonial-metric i { font-size: 16px; }

/* --- Sticky CTA Mobile --- */
.sticky-cta {
  display: none; position: fixed; bottom: 0; left: 0; right: 0; z-index: 800;
  padding: 12px 16px; background: var(--white);
  border-top: 1px solid var(--gray-200); box-shadow: 0 -4px 12px rgba(0,0,0,.08);
  transform: translateY(100%); transition: transform .3s var(--ease);
}
.sticky-cta.visible { transform: translateY(0); }

/* --- Video Modal --- */
.video-modal {
  position: fixed; inset: 0; z-index: 2000;
  display: none; align-items: center; justify-content: center;
}
.video-modal.open { display: flex; }
.video-modal-backdrop {
  position: absolute; inset: 0; background: rgba(0,0,0,.7);
  backdrop-filter: blur(4px); cursor: pointer;
  animation: fadeIn .3s var(--ease);
}
.video-modal-content {
  position: relative; width: 800px; max-width: 92vw;
  border-radius: var(--radius-xl); overflow: hidden;
  background: var(--gray-900); box-shadow: var(--shadow-xl);
  animation: modalIn .3s var(--ease);
}
@keyframes modalIn { from { opacity: 0; transform: scale(.95) translateY(16px); } to { opacity: 1; transform: scale(1) translateY(0); } }
.video-modal-close-btn {
  position: absolute; top: 12px; right: 12px; z-index: 10;
  width: 36px; height: 36px; border-radius: 50%;
  background: rgba(0,0,0,.5); border: none; color: #fff;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  font-size: 16px; transition: background .2s;
}
.video-modal-close-btn:hover { background: rgba(0,0,0,.8); }
.video-modal-player { aspect-ratio: 16/9; display: flex; align-items: center; justify-content: center; }
.video-modal-player iframe { width: 100%; height: 100%; }
.video-placeholder {
  text-align: center; color: var(--gray-400); padding: 40px;
}
.video-placeholder-icon { font-size: 72px; color: var(--primary); margin-bottom: 16px; opacity: .6; }
.video-placeholder p { font-size: 20px; font-weight: 700; color: var(--gray-300); margin-bottom: 8px; }
.video-placeholder span { font-size: 14px; }
.video-placeholder a { color: var(--primary); text-decoration: underline; }

/* --- Persona / Segmentação --- */
.persona-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-bottom: 40px; }
.persona-card {
  background: var(--white); border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg); padding: 32px 28px;
  transition: all var(--duration) var(--ease);
}
.persona-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.persona-featured { border: 2px solid var(--primary); box-shadow: var(--shadow-md); }
.persona-icon {
  width: 52px; height: 52px; border-radius: var(--radius);
  background: var(--primary-soft); color: var(--primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 24px; margin-bottom: 16px;
}
.persona-featured .persona-icon { background: var(--primary); color: #fff; }
.persona-card h3 { font-size: 18px; font-weight: 700; color: var(--gray-900); margin-bottom: 8px; }
.persona-desc { font-size: 14px; color: var(--gray-500); line-height: var(--leading-relaxed); margin-bottom: 16px; }
.persona-pains { list-style: none; margin-bottom: 20px; }
.persona-pains li { display: flex; align-items: center; gap: 8px; padding: 4px 0; font-size: 13px; color: var(--gray-600); }
.persona-pains li i { font-size: 16px; color: var(--accent); }
.persona-plan {
  padding: 12px 16px; background: var(--gray-50);
  border-radius: var(--radius); font-size: 13px; color: var(--gray-500);
}
.persona-plan strong { color: var(--primary); font-weight: 700; }

.persona-specialties { text-align: center; }
.persona-spec-label { font-size: 13px; font-weight: 600; color: var(--gray-400); margin-bottom: 12px; text-transform: uppercase; letter-spacing: .06em; }
.persona-spec-tags { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; }
.persona-spec-tags span {
  padding: 6px 14px; border-radius: var(--radius-full);
  background: var(--gray-50); border: 1px solid var(--gray-200);
  font-size: 12px; font-weight: 500; color: var(--gray-500);
  transition: all .2s;
}
.persona-spec-tags span:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-soft); }

/* --- Testimonial avatar improved --- */
.testimonial-avatar i { font-size: 28px; }

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 1024px) {
  :root { --section-y: 72px; }
  .hero h1 { font-size: 44px; }
  .section-header h2 { font-size: 32px; }
  .features-grid { grid-template-columns: repeat(3, 1fr); }
  .pricing-grid { grid-template-columns: repeat(2, 1fr); }
  .problems-grid { grid-template-columns: repeat(2, 1fr); }
  .metrics-grid { grid-template-columns: repeat(2, 1fr); }
  .security-grid { gap: 40px; }
  .roi-container { grid-template-columns: 1fr; }
  .demo-container { grid-template-columns: 1fr; max-width: 360px; }
  .dash-kpis-mock { grid-template-columns: repeat(2, 1fr); }
  .dash-sidebar-mock { width: 160px; }
}

@media (max-width: 768px) {
  :root { --section-y: 56px; }
  .announcement-bar { font-size: 12px; }
  .sticky-cta { display: block; }
  .persona-grid { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto 40px; }
  .persona-featured { transform: none; }

  .nav-links { display: none; }
  .hamburger { display: block; }
  .nav-links.open {
    display: flex; flex-direction: column;
    position: absolute; top: 64px; left: 0; right: 0;
    background: var(--white); padding: 16px 24px; gap: 12px;
    border-bottom: 1px solid var(--gray-200); box-shadow: var(--shadow-md);
  }
  .nav-links.open a::after { display: none; }
  .nav-actions .btn { display: none; }

  .hero { padding: 48px 0 64px; }
  .hero .container { grid-template-columns: 1fr; text-align: center; gap: 40px; }
  .hero h1 { font-size: 36px; }
  .hero-sub { margin: 0 auto 28px; }
  .demo-container { grid-template-columns: 1fr; margin: 0 auto; }
  .roi-container { grid-template-columns: 1fr; }
  .dash-mock { height: auto; flex-direction: column; }
  .dash-sidebar-mock { width: 100%; padding: 12px; }
  .dash-nav-mock { flex-direction: row; overflow-x: auto; gap: 4px; }
  .dash-nav-item { white-space: nowrap; padding: 6px 12px; font-size: 11px; }
  .dash-kpis-mock { grid-template-columns: repeat(2, 1fr); }
  .dash-charts-mock { grid-template-columns: 1fr; }
  .dash-agenda-grid { grid-template-columns: repeat(3, 1fr); }
  .dash-pt-header, .dash-pt-row { grid-template-columns: 2fr 1fr .6fr; }
  .dash-pt-header span:nth-child(n+4), .dash-pt-row span:nth-child(n+4) { display: none; }
  .dashboard-tabs { flex-wrap: wrap; }
  .hero-ctas { justify-content: center; }
  .hero-trust { justify-content: center; }
  .hero-visual { order: -1; }
  .phone-frame { width: 260px; }
  .phone-screen { height: 440px; }
  .float-badge { display: none; }

  .steps-grid { grid-template-columns: 1fr; gap: 32px; }
  .step-line { display: none; }
  .comparison-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .metrics-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonials-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
  .pricing-popular { transform: none; }
  .pricing-popular:hover { transform: translateY(-4px); }
  .security-grid { grid-template-columns: 1fr; gap: 32px; }
  .security-badges { grid-template-columns: 1fr; }
  .security-content { text-align: center; }

  .form-row { flex-direction: column; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-bottom { flex-direction: column; gap: 4px; text-align: center; }

  .trust-logos { gap: 20px; }
}

/* === Pricing Differentials === */
.pricing-differentials { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin: 32px 0 24px; }
.pricing-diff-item { text-align: center; padding: 20px 12px; background: var(--card-bg, #fff); border: 1px solid rgba(0,0,0,.06); border-radius: 12px; }
.pricing-diff-item i { font-size: 28px; color: var(--accent); display: block; margin-bottom: 8px; }
.pricing-diff-item strong { display: block; font-size: 14px; margin-bottom: 2px; }
.pricing-diff-item span { font-size: 12px; color: var(--muted); }

/* === Verified Badge & Testimonial Notes === */
.verified-badge { display: inline-flex; align-items: center; gap: 4px; font-size: 11px; color: #16a34a; font-weight: 600; margin-top: 2px; }
.verified-badge i { font-size: 13px; }
.testimonial-note { font-size: 11px; color: #94a3b8; margin-top: 12px; font-style: italic; border-top: 1px solid #f1f5f9; padding-top: 8px; }

/* === Micro-interactions === */
.feature-card:hover { transform: translateY(-4px); box-shadow: 0 8px 24px rgba(0,0,0,.08); }
.feature-card { transition: transform .25s, box-shadow .25s; }
.problem-card:hover { transform: translateY(-4px); box-shadow: 0 8px 24px rgba(0,0,0,.08); }
.problem-card { transition: transform .25s, box-shadow .25s; }
.testimonial-card:hover { transform: translateY(-4px); box-shadow: 0 8px 24px rgba(0,0,0,.1); }
.testimonial-card { transition: transform .25s, box-shadow .25s; }
.pricing-card:hover { transform: translateY(-6px); box-shadow: 0 12px 32px rgba(0,0,0,.1); }
.pricing-card { transition: transform .3s, box-shadow .3s; }
.pricing-popular:hover { box-shadow: 0 16px 40px rgba(37,99,235,.2); }
.security-badge:hover { transform: translateY(-2px); }
.security-badge { transition: transform .2s; }
.usecase-card:hover { transform: translateY(-4px); box-shadow: 0 8px 24px rgba(0,0,0,.08); }
.usecase-card { transition: transform .25s, box-shadow .25s; }
.integration-item:hover { transform: translateY(-3px); box-shadow: 0 6px 16px rgba(0,0,0,.08); }
.integration-item { transition: transform .2s, box-shadow .2s; }
.step:hover .step-icon { transform: scale(1.08); }
.step-icon { transition: transform .25s; }
.persona-card:hover { transform: translateY(-4px); box-shadow: 0 8px 24px rgba(0,0,0,.08); }
.persona-card { transition: transform .25s, box-shadow .25s; }
.btn { transition: all .2s ease; }
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.metric:hover .metric-icon { transform: scale(1.1); }
.metric-icon { transition: transform .3s; }

/* === Dual CTA === */
.dual-cta { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* === Social Proof Toast === */
.social-proof-toast { position: fixed; bottom: 90px; left: 24px; background: #fff; border: 1px solid #e2e8f0; border-radius: 12px; padding: 12px 16px; display: flex; align-items: center; gap: 12px; box-shadow: 0 8px 24px rgba(0,0,0,.12); z-index: 90; transform: translateX(-120%); opacity: 0; transition: transform .4s cubic-bezier(.4,0,.2,1), opacity .4s; max-width: 340px; }
.social-proof-toast.visible { transform: translateX(0); opacity: 1; }
.social-proof-toast i { font-size: 32px; color: #2563eb; flex-shrink: 0; }
.social-proof-toast strong { display: block; font-size: 13px; color: #1e293b; }
.social-proof-toast span { font-size: 12px; color: #64748b; }
@media (max-width: 768px) { .social-proof-toast { bottom: 80px; left: 12px; right: 12px; max-width: none; } }

/* === Guarantee === */
.section-guarantee { background: linear-gradient(135deg, #f0fdf4, #ecfdf5); border-top: 1px solid #bbf7d0; border-bottom: 1px solid #bbf7d0; }
.guarantee-badge { width: 72px; height: 72px; border-radius: 50%; background: #16a34a; color: #fff; display: flex; align-items: center; justify-content: center; font-size: 36px; margin: 0 auto 20px; }
.guarantee-text { font-size: 17px; color: #475569; line-height: 1.7; max-width: 600px; margin: 0 auto; }

/* === VS Table === */
.vs-table-wrapper { overflow-x: auto; margin-top: 32px; }
.vs-table { width: 100%; border-collapse: collapse; background: #fff; border-radius: 12px; overflow: hidden; box-shadow: 0 1px 3px rgba(0,0,0,.08); }
.vs-table th, .vs-table td { padding: 14px 20px; text-align: left; font-size: 14px; border-bottom: 1px solid #f1f5f9; }
.vs-table thead th { font-size: 13px; text-transform: uppercase; letter-spacing: .5px; font-weight: 700; }
.vs-table th.vs-them, .vs-table td.vs-them { background: #fef2f2; color: #991b1b; text-align: center; }
.vs-table th.vs-us, .vs-table td.vs-us { background: #f0fdf4; color: #166534; text-align: center; font-weight: 600; }
.vs-table th.vs-them { background: #fecaca; }
.vs-table th.vs-us { background: #bbf7d0; }
.vs-table tbody tr:hover { background: #f8fafc; }
.vs-table td:first-child { font-weight: 500; color: #1e293b; }

/* === Integrations Grid === */
.integrations-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 32px; }
.integration-item { display: flex; flex-direction: column; align-items: center; gap: 8px; padding: 24px 16px; background: #fff; border: 1px solid #e2e8f0; border-radius: 12px; text-align: center; transition: transform .2s, box-shadow .2s; }
.integration-item:hover { transform: translateY(-4px); box-shadow: 0 8px 24px rgba(0,0,0,.08); }
.integration-item i { font-size: 36px; }
.integration-item span { font-size: 14px; font-weight: 600; color: #1e293b; }
.integration-item small { font-size: 11px; color: #64748b; background: #f1f5f9; padding: 2px 8px; border-radius: 4px; }

/* === Use Cases Grid === */
.usecases-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-top: 32px; }
.usecase-card { background: #fff; border: 1px solid #e2e8f0; border-radius: 12px; padding: 28px; transition: transform .2s, box-shadow .2s; }
.usecase-card:hover { transform: translateY(-3px); box-shadow: 0 8px 24px rgba(0,0,0,.06); }
.usecase-icon { width: 48px; height: 48px; border-radius: 10px; background: linear-gradient(135deg, #eff6ff, #dbeafe); display: flex; align-items: center; justify-content: center; font-size: 22px; color: #2563eb; margin-bottom: 16px; }
.usecase-card h3 { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.usecase-card p { font-size: 14px; color: #64748b; line-height: 1.6; }

@media (max-width: 768px) {
  .integrations-grid { grid-template-columns: repeat(2, 1fr); }
  .usecases-grid { grid-template-columns: 1fr; }
  .pricing-differentials { grid-template-columns: repeat(2, 1fr); }
  .vs-table { font-size: 13px; }
  .vs-table th, .vs-table td { padding: 10px 12px; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 30px; }
  .hero-eyebrow { font-size: 12px; }
  .section-header h2 { font-size: 26px; }
  .features-grid { grid-template-columns: 1fr; }
  .problems-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .trust-logos { gap: 12px; }
  .trust-logo-item { font-size: 12px; }
  .whatsapp-float { width: 52px; height: 52px; font-size: 28px; bottom: 16px; right: 16px; }
}