/* ===================== TOKENS ===================== */
:root {
  --navy-900: #0b1424;
  --navy-800: #101a30;
  --navy-700: #16233f;
  --navy-600: #1d2f52;
  --blue-600: #2f5f9e;
  --blue-500: #4a7fc4;
  --blue-400: #6fa0d8;
  --blue-300: #9dc0e8;
  --blue-100: #e8f1fb;
  --silver: #aab6c2;
  --bg: #f5f7fb;
  --white: #ffffff;
  --ink: #1a2334;
  --ink-soft: #55637a;
  --success: #25d366;

  --font-head: 'Poppins', 'Segoe UI', sans-serif;
  --font-body: 'Inter', 'Segoe UI', sans-serif;

  --radius: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 4px 14px rgba(16, 26, 48, 0.08);
  --shadow-md: 0 12px 32px rgba(16, 26, 48, 0.12);
  --shadow-lg: 0 24px 60px rgba(16, 26, 48, 0.18);
  --container: 1180px;
}

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

html { scroll-behavior: smooth; }

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

img, video { max-width: 100%; display: block; }

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

ul { list-style: none; }

h1, h2, h3, h4, h5 {
  font-family: var(--font-head);
  color: var(--navy-800);
  line-height: 1.2;
  font-weight: 700;
}

h1 { font-size: clamp(2.2rem, 4.2vw, 3.4rem); font-weight: 800; }
h2 { font-size: clamp(1.7rem, 3vw, 2.4rem); font-weight: 700; }
h3 { font-size: 1.2rem; }
h4 { font-size: 1.05rem; }

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

.text-gradient {
  background: linear-gradient(120deg, var(--blue-600), var(--blue-400));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue-500);
  background: var(--blue-100);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 16px;
}
.eyebrow-dark { color: var(--blue-300); background: rgba(255,255,255,0.08); }

.section-head { max-width: 680px; margin: 0 auto 48px; text-align: center; }
.section-head.light h2, .section-head.light .section-sub { color: var(--white); }
.section-sub { color: var(--ink-soft); font-size: 1.05rem; margin-top: 14px; }

/* ===================== BUTTONS ===================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-head);
  font-weight: 600;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(120deg, var(--blue-600), var(--blue-400));
  color: var(--white);
  box-shadow: var(--shadow-md);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.btn-ghost {
  background: rgba(255,255,255,0.06);
  color: var(--navy-800);
  border: 1.5px solid rgba(16,26,48,0.15);
}
.btn-ghost:hover { background: rgba(16,26,48,0.05); }
.btn-lg { padding: 16px 30px; font-size: 1rem; }
.btn-sm { padding: 10px 20px; font-size: 0.88rem; }
.btn-block { width: 100%; padding: 15px; font-size: 1rem; }

/* ===================== HEADER ===================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(245, 247, 251, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(16, 26, 48, 0.06);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.brand-logo { height: 34px; width: auto; }
.main-nav { display: flex; gap: 30px; }
.main-nav a {
  font-family: var(--font-head);
  font-weight: 500;
  font-size: 0.92rem;
  color: var(--navy-700);
  position: relative;
  padding: 6px 0;
}
.main-nav a::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 2px;
  background: var(--blue-500);
  transition: width 0.25s ease;
}
.main-nav a:hover::after { width: 100%; }

.header-actions { display: flex; align-items: center; gap: 16px; }
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span { width: 22px; height: 2px; background: var(--navy-800); border-radius: 2px; }

/* ===================== HERO ===================== */
.hero { position: relative; padding: 70px 0 0; overflow: hidden; }
.hero-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(circle at 85% 10%, rgba(74,127,196,0.16), transparent 45%),
    radial-gradient(circle at 10% 60%, rgba(111,160,216,0.14), transparent 40%);
  z-index: 0;
}
.hero-inner {
  position: relative; z-index: 1;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 50px;
  align-items: center;
  padding-bottom: 70px;
}
.hero-sub { color: var(--ink-soft); font-size: 1.1rem; margin: 20px 0 30px; max-width: 540px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; }
.hero-tagline {
  margin-top: 26px;
  font-family: var(--font-head);
  font-weight: 600;
  color: var(--blue-500);
  letter-spacing: 0.02em;
}

.hero-media { position: relative; }
.device-frame {
  position: relative;
  border-radius: 22px;
  background: var(--navy-800);
  padding: 10px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  aspect-ratio: 9/16;
  max-width: 340px;
  margin: 0 auto;
}
.device-frame-alt { aspect-ratio: 16/10; max-width: 560px; }
.device-video { width: 100%; height: 100%; object-fit: cover; border-radius: 14px; }

.floating-card {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--white);
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.82rem;
  color: var(--navy-800);
  animation: float 4s ease-in-out infinite;
}
.card-lead { top: 8%; left: -8%; }
.card-ai { bottom: 10%; right: -6%; animation-delay: 1.2s; color: var(--blue-500); }
.card-ai svg { color: var(--blue-500); }

.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--success); }
.dot-live { box-shadow: 0 0 0 0 rgba(37,211,102,0.6); animation: pulse 1.8s infinite; }

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(37,211,102,0.55); }
  70% { box-shadow: 0 0 0 10px rgba(37,211,102,0); }
  100% { box-shadow: 0 0 0 0 rgba(37,211,102,0); }
}

.hero-strip { background: var(--navy-800); padding: 26px 0; position: relative; z-index: 1; }
.hero-strip-label {
  text-align: center; color: var(--blue-300);
  font-size: 0.8rem; letter-spacing: 0.05em; text-transform: uppercase;
  margin-bottom: 16px; font-family: var(--font-head); font-weight: 500;
}
.logo-strip { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }

.badge-pill {
  display: inline-block;
  padding: 8px 18px;
  border-radius: 999px;
  background: rgba(255,255,255,0.08);
  color: var(--white);
  font-family: var(--font-head);
  font-weight: 500;
  font-size: 0.85rem;
  border: 1px solid rgba(255,255,255,0.12);
}
.integration-card .badge-pill, .integrations .badge-pill {
  background: var(--blue-100);
  color: var(--blue-600);
  border: 1px solid rgba(74,127,196,0.15);
}

/* ===================== PAIN ===================== */
.pain { padding: 100px 0; background: var(--white); }
.pain-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.pain-card {
  background: var(--bg);
  border-radius: var(--radius);
  padding: 30px 24px;
  border: 1px solid rgba(16,26,48,0.05);
}
.pain-icon { font-size: 2rem; display: block; margin-bottom: 14px; }
.pain-card h3 { margin-bottom: 10px; }
.pain-card p { color: var(--ink-soft); font-size: 0.94rem; }

/* ===================== INTEGRATIONS ===================== */
.integrations { padding: 100px 0; }
.integration-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.integration-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 34px 28px;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(16,26,48,0.05);
}
.integration-card.featured { background: linear-gradient(150deg, var(--navy-800), var(--navy-700)); }
.integration-card.featured h3, .integration-card.featured p { color: var(--white); }
.integration-card.featured p { color: rgba(255,255,255,0.75); }
.integration-icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
}
.integration-icon.whatsapp { background: rgba(37,211,102,0.15); color: var(--success); }
.integration-card h3 { margin-bottom: 12px; }
.integration-card p { color: var(--ink-soft); font-size: 0.95rem; margin-bottom: 18px; }
.chip-row { display: flex; flex-wrap: wrap; gap: 8px; }

/* ===================== PROACTIVE ===================== */
.proactive { padding: 100px 0; background: var(--navy-800); }
.proactive .eyebrow { background: rgba(255,255,255,0.08); color: var(--blue-300); }
.proactive h2, .proactive-copy p.section-sub { color: var(--white); }
.proactive-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.proactive-copy .section-sub { color: rgba(255,255,255,0.72); margin-bottom: 26px; }
.check-list li {
  color: rgba(255,255,255,0.88);
  padding-left: 28px;
  position: relative;
  margin-bottom: 12px;
  font-size: 0.98rem;
}
.check-list li::before {
  content: '✓';
  position: absolute; left: 0; top: 0;
  color: var(--blue-400);
  font-weight: 700;
}

.proactive-flow { display: flex; flex-direction: column; }
.flow-step { display: flex; gap: 18px; align-items: flex-start; }
.flow-num {
  flex-shrink: 0;
  width: 38px; height: 38px;
  border-radius: 50%;
  background: linear-gradient(120deg, var(--blue-600), var(--blue-400));
  color: var(--white);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-head); font-weight: 700;
}
.flow-step h4 { color: var(--white); margin-bottom: 4px; }
.flow-step p { color: rgba(255,255,255,0.65); font-size: 0.92rem; }
.flow-connector { width: 2px; height: 28px; background: rgba(255,255,255,0.15); margin-left: 18px; }

/* ===================== AI SECTION ===================== */
.ai-section { padding: 100px 0; background: var(--white); }
.ai-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 60px; align-items: center; }
.feature-list { display: flex; flex-direction: column; gap: 22px; margin-top: 28px; }
.feature-item { display: flex; gap: 16px; align-items: flex-start; }
.feature-icon { font-size: 1.6rem; }
.feature-item h4 { margin-bottom: 4px; }
.feature-item p { color: var(--ink-soft); font-size: 0.95rem; }

/* ===================== DISTRIBUTION ===================== */
.distribution { padding: 90px 0; background: var(--bg); }
.distribution-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.dist-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 34px 28px;
  box-shadow: var(--shadow-sm);
  text-align: center;
}
.dist-icon { font-size: 2.2rem; display: block; margin-bottom: 14px; }
.dist-card p { color: var(--ink-soft); font-size: 0.95rem; margin-top: 10px; }

/* ===================== CUSTOMIZATION ===================== */
.customization { padding: 100px 0; background: var(--white); }
.custom-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.custom-card {
  padding: 32px 26px;
  border-radius: var(--radius);
  background: var(--bg);
  border: 1px solid rgba(16,26,48,0.05);
}
.custom-icon { font-size: 2rem; display: block; margin-bottom: 14px; }
.custom-card p { color: var(--ink-soft); font-size: 0.94rem; margin-top: 10px; }

/* ===================== DEMO ===================== */
.demo-section { padding: 100px 0; background: var(--navy-800); }
.demo-video-wrap {
  max-width: 860px; margin: 0 auto;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  background: var(--navy-900);
}
.demo-video-wrap video { width: 100%; }

/* ===================== SUMMARY ===================== */
.summary { padding: 80px 0; background: var(--white); }
.summary-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.summary-item { text-align: center; padding: 20px; }
.summary-icon { font-size: 2rem; display: block; margin-bottom: 12px; }
.summary-item p { color: var(--ink-soft); font-size: 0.9rem; margin-top: 8px; }

/* ===================== FINAL CTA ===================== */
.final-cta { padding: 100px 0; background: linear-gradient(150deg, var(--navy-900), var(--navy-700)); }
.final-cta-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.final-cta-copy h2 { color: var(--white); margin-bottom: 14px; }
.final-cta-copy p { color: rgba(255,255,255,0.72); margin-bottom: 30px; font-size: 1.05rem; }

.final-cta-form {
  background: var(--white);
  border-radius: var(--radius);
  padding: 34px;
  box-shadow: var(--shadow-lg);
}
.final-cta-form h3 { margin-bottom: 20px; }
.form-row { margin-bottom: 16px; }
.form-row label {
  display: block; font-size: 0.85rem; font-weight: 600;
  color: var(--navy-700); margin-bottom: 6px;
  font-family: var(--font-head);
}
.form-row input {
  width: 100%;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1.5px solid rgba(16,26,48,0.12);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color 0.2s ease;
}
.form-row input:focus { outline: none; border-color: var(--blue-500); }
.form-note { text-align: center; font-size: 0.8rem; color: var(--ink-soft); margin-top: 14px; }

/* ===================== FOOTER ===================== */
.site-footer { background: var(--navy-900); padding: 70px 0 0; }
.footer-inner { display: grid; grid-template-columns: 1.2fr 1fr; gap: 50px; padding-bottom: 50px; }
.footer-logo { height: 30px; filter: brightness(0) invert(1); opacity: 0.9; margin-bottom: 14px; }
.footer-brand p { color: rgba(255,255,255,0.55); font-size: 0.92rem; max-width: 320px; }
.footer-links { display: grid; grid-template-columns: repeat(2, 1fr); gap: 30px; }
.footer-col h5 { color: var(--white); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 16px; }
.footer-col a { display: block; color: rgba(255,255,255,0.6); font-size: 0.92rem; margin-bottom: 12px; }
.footer-col a:hover { color: var(--blue-300); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding: 22px 0; }
.footer-bottom p { color: rgba(255,255,255,0.4); font-size: 0.82rem; text-align: center; }

/* ===================== WHATSAPP FLOAT ===================== */
.whatsapp-float {
  position: fixed;
  bottom: 26px; right: 26px;
  width: 58px; height: 58px;
  border-radius: 50%;
  background: var(--success);
  color: var(--white);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 10px 24px rgba(37,211,102,0.4);
  z-index: 200;
  transition: transform 0.2s ease;
}
.whatsapp-float:hover { transform: scale(1.08); }

/* ===================== REVEAL ANIMATION ===================== */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ===================== RESPONSIVE ===================== */
@media (max-width: 980px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-media { order: -1; max-width: 320px; margin: 0 auto; }
  .proactive-grid, .ai-grid, .final-cta-inner { grid-template-columns: 1fr; }
  .pain-grid, .summary-grid { grid-template-columns: repeat(2, 1fr); }
  .integration-grid, .custom-grid { grid-template-columns: 1fr; }
  .distribution-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .main-nav { display: none; }
  .nav-toggle { display: flex; }
  .header-actions .btn-sm { display: none; }
  .pain-grid, .summary-grid { grid-template-columns: 1fr; }
  .device-frame { max-width: 260px; }
  .card-lead, .card-ai { position: static; margin: 10px auto 0; display: inline-flex; }
}

body.nav-open .main-nav {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: 76px; left: 0; right: 0;
  background: var(--white);
  padding: 20px 24px;
  box-shadow: var(--shadow-md);
  gap: 18px;
}