:root {
  --color-graphite: #202223;
  --color-ink: #111827;
  --color-muted: #65717c;
  --color-soft: #f4f7f6;
  --color-white: #ffffff;
  --color-line: #dfe7e4;
  --color-green: #17c653;
  --color-green-dark: #0d9f42;
  --color-green-soft: #e8faee;
  --color-red: #d94848;
  --shadow-soft: 0 18px 50px rgba(17, 24, 39, 0.12);
  --radius: 8px;
  --container: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", Arial, sans-serif;
  color: var(--color-ink);
  background: var(--color-white);
  line-height: 1.6;
}

body.modal-open {
  overflow: hidden;
}

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

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

button,
input,
textarea {
  font: inherit;
}

.container {
  width: min(100% - 32px, var(--container));
  margin-inline: auto;
}

.section {
  padding: 72px 0;
}

.section-dark {
  color: var(--color-white);
  background:
    radial-gradient(circle at 90% 15%, rgba(23, 198, 83, 0.18), transparent 28%),
    linear-gradient(135deg, #151719 0%, #242729 64%, #1a1d1f 100%);
}

.section-soft {
  background: var(--color-soft);
}

.section-heading {
  max-width: 720px;
  margin-bottom: 34px;
}

.section-heading h2,
.faq-intro h2,
.final-cta-box h2,
.institutional-card h2 {
  margin: 0 0 12px;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.12;
  letter-spacing: 0;
}

.section-heading p,
.faq-intro p,
.final-cta-box p,
.institutional-card p {
  margin: 0;
  color: var(--color-muted);
  font-size: 1.05rem;
}

.section-dark .section-heading p,
.section-dark .institutional-card p {
  color: rgba(255, 255, 255, 0.72);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--color-green);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-weight: 800;
  cursor: pointer;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  color: var(--color-white);
  background: var(--color-green);
  box-shadow: 0 10px 24px rgba(23, 198, 83, 0.28);
}

.btn-primary:hover {
  background: var(--color-green-dark);
}

.btn-secondary {
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.36);
  background: rgba(255, 255, 255, 0.08);
}

.btn-outline {
  color: var(--color-ink);
  border-color: var(--color-line);
  background: var(--color-white);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid rgba(223, 231, 228, 0.86);
  backdrop-filter: blur(12px);
}

.header-wrap {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: max-content;
}

.brand img {
  width: 42px;
  height: 42px;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--color-line);
}

.brand strong,
.brand small {
  display: block;
  line-height: 1.1;
}

.brand strong {
  color: var(--color-graphite);
  font-size: 1rem;
}

.brand small {
  margin-top: 3px;
  color: var(--color-muted);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.site-nav {
  display: none;
}

.site-nav a {
  color: var(--color-muted);
  font-size: 0.95rem;
  font-weight: 700;
}

.site-nav a:hover {
  color: var(--color-green-dark);
}

.header-cta {
  display: none;
}

.menu-toggle {
  width: 44px;
  height: 44px;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: var(--color-white);
  cursor: pointer;
}

.menu-toggle span:not(.sr-only) {
  width: 18px;
  height: 2px;
  background: var(--color-graphite);
}

.site-header.nav-open .site-nav {
  position: absolute;
  left: 16px;
  right: 16px;
  top: 76px;
  display: grid;
  gap: 12px;
  padding: 18px;
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 64px 0 72px;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(90deg, rgba(21, 23, 25, 0.94) 0%, rgba(21, 23, 25, 0.82) 42%, rgba(21, 23, 25, 0.56) 100%),
    radial-gradient(circle at 90% 18%, rgba(23, 198, 83, 0.26), transparent 34%);
  pointer-events: none;
}

.hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.72;
  transform: translateZ(0);
  backface-visibility: hidden;
}

.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  gap: 40px;
  align-items: center;
}

.hero h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(2.45rem, 9vw, 5.4rem);
  line-height: 0.98;
  letter-spacing: 0;
}

.hero-subtitle {
  max-width: 640px;
  margin: 22px 0 0;
  color: rgba(255, 255, 255, 0.76);
  font-size: 1.12rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.hero-trust span {
  padding: 8px 10px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.82rem;
  font-weight: 700;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.06);
}

.whatsapp-mockup {
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  background: #f1f6f3;
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.32);
}

.mockup-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px;
  color: var(--color-ink);
  background: #ffffff;
  border-bottom: 1px solid var(--color-line);
}

.mockup-contact {
  display: flex;
  align-items: center;
  gap: 10px;
}

.contact-avatar,
.profile-photo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  color: var(--color-white);
  background: var(--color-green);
  font-weight: 800;
}

.contact-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  font-size: 0.78rem;
}

.mockup-contact strong,
.mockup-contact small {
  display: block;
  line-height: 1.2;
}

.mockup-contact small {
  color: var(--color-green-dark);
  font-size: 0.78rem;
  font-weight: 700;
}

.mockup-status {
  color: var(--color-muted);
  font-size: 0.78rem;
  font-weight: 700;
}

.mockup-chat {
  display: grid;
  gap: 12px;
  padding: 18px;
}

.bubble {
  max-width: 86%;
  padding: 11px 13px;
  border-radius: 8px;
  color: var(--color-ink);
  font-size: 0.92rem;
  line-height: 1.45;
  box-shadow: 0 5px 14px rgba(17, 24, 39, 0.08);
}

.bubble-client {
  justify-self: start;
  background: var(--color-white);
}

.bubble-agent {
  justify-self: end;
  background: #dcf8c6;
}

.mockup-input {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: 4px;
  padding: 8px 8px 8px 13px;
  color: var(--color-muted);
  background: var(--color-white);
  border-radius: var(--radius);
}

.mockup-input button {
  min-height: 36px;
  padding: 0 12px;
  color: var(--color-white);
  font-weight: 800;
  border: 0;
  border-radius: 7px;
  background: var(--color-green);
}

.contrast-grid,
.capability-grid,
.pricing-grid,
.steps-grid,
.proof-grid,
.faq-grid {
  display: grid;
  gap: 18px;
}

.fit-card,
.step-card,
.capability-card,
.price-card,
.testimonial-card,
.institutional-card {
  border-radius: var(--radius);
}

.fit-card,
.step-card,
.capability-card,
.price-card {
  padding: 24px;
  background: var(--color-white);
  border: 1px solid var(--color-line);
}

.fit-card h3,
.step-card h3,
.capability-card h3 {
  margin: 0 0 16px;
  color: var(--color-graphite);
  font-size: 1.25rem;
}

.fit-card.positive {
  border-top: 4px solid var(--color-green);
}

.fit-card.negative {
  border-top: 4px solid var(--color-red);
}

.clean-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.clean-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: #38424b;
}

.icon-check,
.icon-x {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 22px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  color: var(--color-white);
  font-size: 0.9rem;
  font-weight: 900;
  line-height: 1;
}

.icon-check {
  background: var(--color-green);
}

.icon-x {
  background: var(--color-red);
}

.step-card {
  position: relative;
  min-height: 220px;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  margin-bottom: 22px;
  color: var(--color-white);
  border-radius: var(--radius);
  background: var(--color-graphite);
  font-weight: 900;
}

.step-card p,
.price-card p {
  margin: 0;
  color: var(--color-muted);
}

.capability-card {
  background: linear-gradient(180deg, #ffffff 0%, #fbfdfc 100%);
}

.proof {
  padding: 66px 0;
}

.institutional-card,
.testimonial-card {
  padding: 26px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
}

.testimonial-profile {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 22px;
}

.profile-photo {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  font-size: 1.25rem;
}

.testimonial-profile strong,
.testimonial-profile span {
  display: block;
}

.testimonial-profile span {
  color: rgba(255, 255, 255, 0.66);
  font-size: 0.9rem;
}

blockquote {
  margin: 0;
  color: rgba(255, 255, 255, 0.92);
  font-size: 1.35rem;
  font-style: italic;
  line-height: 1.35;
}

.metric {
  display: flex;
  align-items: end;
  gap: 12px;
  margin-top: 22px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.metric strong {
  color: var(--color-green);
  font-size: 2.25rem;
  line-height: 1;
}

.metric span {
  color: rgba(255, 255, 255, 0.72);
  font-weight: 700;
}

.price-card {
  display: grid;
  gap: 16px;
  align-content: start;
  min-height: 430px;
  box-shadow: 0 14px 32px rgba(17, 24, 39, 0.06);
}

.price-setup {
  border-top: 4px solid var(--color-graphite);
}

.price-monthly {
  color: var(--color-white);
  background: var(--color-graphite);
  border-color: var(--color-graphite);
  border-top: 4px solid var(--color-green);
}

.price-monthly p,
.price-monthly .clean-list li {
  color: rgba(255, 255, 255, 0.76);
}

.price-label {
  color: var(--color-green-dark);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.76rem;
}

.price-monthly .price-label {
  color: var(--color-green);
}

.price-card h3 {
  margin: 0;
  font-size: clamp(2.5rem, 10vw, 4.3rem);
  line-height: 1;
  letter-spacing: 0;
}

.price-card h3 span {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.72);
}

.pricing-disclaimer {
  max-width: 820px;
  margin: 20px 0 0;
  color: var(--color-muted);
  font-size: 0.9rem;
}

.faq-grid {
  align-items: start;
}

.accordion {
  display: grid;
  gap: 10px;
}

.faq-item {
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 64px;
  padding: 0 18px;
  color: var(--color-graphite);
  border: 0;
  background: transparent;
  font-weight: 800;
  text-align: left;
  cursor: pointer;
}

.faq-question span {
  color: var(--color-green);
  font-size: 1.4rem;
}

.faq-answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 180ms ease;
}

.faq-answer p {
  min-height: 0;
  overflow: hidden;
  margin: 0;
  padding: 0 18px;
  color: var(--color-muted);
}

.faq-item.is-open .faq-answer {
  grid-template-rows: 1fr;
}

.faq-item.is-open .faq-answer p {
  padding-bottom: 18px;
}

.final-cta-box {
  max-width: 820px;
  text-align: center;
}

.final-cta-box .hero-actions {
  justify-content: center;
}

.site-footer {
  padding: 42px 0 24px;
  color: rgba(255, 255, 255, 0.7);
  background: #181a1c;
}

.footer-grid {
  display: grid;
  gap: 24px;
}

.footer-brand {
  margin-bottom: 14px;
}

.footer-brand strong {
  color: var(--color-white);
}

.site-footer p {
  max-width: 760px;
  margin: 0;
  font-size: 0.9rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.78);
  font-weight: 700;
}

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

.copyright {
  margin-top: 26px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 18px;
}

.modal.is-open {
  display: flex;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(10, 13, 15, 0.72);
}

.modal-panel {
  position: relative;
  width: min(100%, 560px);
  max-height: calc(100vh - 36px);
  overflow: auto;
  padding: 26px;
  background: var(--color-white);
  border-radius: var(--radius);
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.34);
}

.modal-panel h2 {
  margin: 0 0 18px;
  font-size: clamp(1.7rem, 5vw, 2.3rem);
  line-height: 1.12;
}

.modal-close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 38px;
  height: 38px;
  color: var(--color-graphite);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: var(--color-white);
  font-size: 1.4rem;
  cursor: pointer;
}

.lead-form {
  display: grid;
  gap: 14px;
}

.lead-form label {
  display: grid;
  gap: 7px;
  color: var(--color-graphite);
  font-weight: 800;
}

.lead-form input,
.lead-form textarea {
  width: 100%;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 12px;
  color: var(--color-ink);
  background: #fbfdfc;
  outline: none;
}

.lead-form input:focus,
.lead-form textarea:focus {
  border-color: var(--color-green);
  box-shadow: 0 0 0 4px rgba(23, 198, 83, 0.14);
}

@media (min-width: 760px) {
  .section {
    padding: 92px 0;
  }

  .hero {
    padding: 86px 0 96px;
  }

  .hero-grid,
  .proof-grid,
  .faq-grid {
    grid-template-columns: minmax(0, 1fr) minmax(320px, 0.85fr);
  }

  .contrast-grid,
  .capability-grid,
  .pricing-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .steps-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .footer-grid {
    grid-template-columns: 1fr auto;
    align-items: start;
  }

  .footer-links {
    justify-content: flex-end;
  }
}

@media (min-width: 980px) {
  .menu-toggle {
    display: none;
  }

  .site-nav {
    display: flex;
    align-items: center;
    gap: 24px;
  }

  .header-cta {
    display: inline-flex;
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(390px, 0.72fr);
  }
}

@media (max-width: 460px) {
  .container {
    width: min(100% - 24px, var(--container));
  }

  .btn {
    width: 100%;
  }

  .hero-actions {
    width: 100%;
  }

  .brand img {
    width: 38px;
    height: 38px;
  }

  .brand strong {
    font-size: 0.94rem;
  }

  .brand small {
    font-size: 0.62rem;
  }

  .mockup-status {
    display: none;
  }

  .bubble {
    max-width: 94%;
  }
}