:root {
  --ink: #172126;
  --muted: #617076;
  --paper: #fbfaf6;
  --surface: #ffffff;
  --line: #d9ded9;
  --teal: #0f766e;
  --teal-dark: #0b4f4a;
  --amber: #e9b44c;
  --coral: #d85f4f;
  --sage: #dfe9df;
  --charcoal: #222b30;
  --shadow: 0 24px 70px rgba(23, 33, 38, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  line-height: 1.55;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px clamp(18px, 4vw, 56px);
  background: rgba(251, 250, 246, 0.88);
  border-bottom: 1px solid rgba(217, 222, 217, 0.85);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 900;
  letter-spacing: 0;
}

.brand img {
  width: 240px;
  height: auto;
}

.nav {
  display: flex;
  gap: 24px;
  color: var(--muted);
  font-size: 0.95rem;
}

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

.header-cta,
.button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  font-weight: 800;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    background 180ms ease;
}

.header-cta {
  padding: 0 16px;
  color: #fff;
  background: var(--ink);
}

.button {
  padding: 0 20px;
}

.button:hover,
.header-cta:hover {
  transform: translateY(-2px);
}

.primary {
  color: #fff;
  background: var(--teal);
  box-shadow: 0 14px 28px rgba(15, 118, 110, 0.24);
}

.primary:hover {
  background: var(--teal-dark);
}

.secondary {
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line);
}

.hero {
  position: relative;
  min-height: 780px;
  display: grid;
  align-items: center;
  padding: 88px clamp(18px, 4vw, 56px) 70px;
  overflow: hidden;
}

.hero-media {
  position: absolute;
  inset: 0;
}

.hero-media::after {
  position: absolute;
  inset: 0;
  content: "";
  background:
    linear-gradient(90deg, rgba(251, 250, 246, 0.96) 0%, rgba(251, 250, 246, 0.86) 36%, rgba(251, 250, 246, 0.26) 78%),
    linear-gradient(180deg, rgba(251, 250, 246, 0.24), rgba(251, 250, 246, 0.9));
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 760px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--teal);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  font-family: Manrope, Inter, ui-sans-serif, system-ui, sans-serif;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 720px;
  margin-bottom: 22px;
  font-size: clamp(3rem, 7vw, 6.6rem);
  line-height: 0.95;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(2rem, 4vw, 4rem);
  line-height: 1.02;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.2rem;
  line-height: 1.2;
}

.hero-copy {
  max-width: 650px;
  color: #314047;
  font-size: clamp(1.12rem, 2vw, 1.35rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 34px 0 32px;
}

.proof-strip {
  display: grid;
  max-width: 760px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border: 1px solid rgba(217, 222, 217, 0.88);
  background: rgba(255, 255, 255, 0.82);
  box-shadow: var(--shadow);
}

.proof-strip div {
  padding: 18px;
  border-right: 1px solid var(--line);
}

.proof-strip div:last-child {
  border-right: 0;
}

.proof-strip strong {
  display: block;
  font-size: 1.75rem;
  line-height: 1;
}

.proof-strip span {
  display: block;
  margin-top: 7px;
  color: var(--muted);
  font-size: 0.92rem;
}

.section {
  padding: 92px clamp(18px, 4vw, 56px);
}

.section-grid,
.split {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(28px, 6vw, 76px);
  align-items: start;
}

.section-heading {
  max-width: 860px;
  margin-bottom: 34px;
}

.section-heading p,
.text-stack p,
.panel p {
  color: var(--muted);
  font-size: 1.05rem;
}

.check-list,
.benefit-list {
  display: grid;
  gap: 12px;
  padding: 0;
  margin: 24px 0 0;
  list-style: none;
}

.check-list li,
.benefit-list li {
  position: relative;
  padding-left: 28px;
}

.check-list li::before,
.benefit-list li::before {
  position: absolute;
  left: 0;
  top: 0.15em;
  width: 18px;
  height: 18px;
  content: "";
  background: var(--amber);
  border-radius: 999px;
  box-shadow: inset 0 0 0 5px var(--paper);
}

.model {
  background: var(--sage);
}

.model-grid,
.audience-grid,
.faq-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.feature-card,
.audience-grid article,
.faq-grid details {
  min-height: 230px;
  padding: 28px;
  background: var(--surface);
  border: 1px solid rgba(23, 33, 38, 0.08);
  border-radius: 8px;
  box-shadow: 0 18px 44px rgba(23, 33, 38, 0.08);
}

.feature-card p,
.audience-grid p,
.faq-grid p {
  color: var(--muted);
}

.icon {
  display: inline-grid;
  width: 44px;
  height: 44px;
  place-items: center;
  margin-bottom: 24px;
  color: #fff;
  background: var(--teal);
  border-radius: 8px;
  font-weight: 900;
}

.panel {
  min-height: 520px;
  padding: clamp(28px, 4vw, 48px);
  border-radius: 8px;
}

.dark-panel {
  color: #fff;
  background: var(--charcoal);
}

.dark-panel .eyebrow {
  color: #86d1c9;
}

.dark-panel p,
.dark-panel .benefit-list {
  color: #d8e1df;
}

.dark-panel .benefit-list li::before {
  box-shadow: inset 0 0 0 5px var(--charcoal);
}

.light-panel {
  display: flex;
  flex-direction: column;
  justify-content: center;
  background:
    linear-gradient(135deg, rgba(233, 180, 76, 0.28), rgba(15, 118, 110, 0.18)),
    #fff;
  border: 1px solid rgba(23, 33, 38, 0.08);
}

.location-list {
  display: grid;
  gap: 18px;
}

.location-list div {
  padding: 20px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(23, 33, 38, 0.08);
  border-radius: 8px;
}

.location-list strong,
.location-list span {
  display: block;
}

.location-list span {
  margin-top: 6px;
  color: var(--muted);
}

.advertisers {
  background: #f4eee5;
}

.audience-grid article {
  min-height: 190px;
}

.process {
  background: var(--ink);
  color: #fff;
}

.process .eyebrow {
  color: #86d1c9;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.timeline li {
  min-height: 180px;
  padding: 22px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
}

.timeline strong,
.timeline span {
  display: block;
}

.timeline span {
  margin-top: 10px;
  color: #ccd9d6;
}

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

details summary {
  cursor: pointer;
  font-weight: 900;
}

details p {
  margin: 14px 0 0;
}

.final-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  margin: 0 clamp(18px, 4vw, 56px) 56px;
  padding: clamp(32px, 6vw, 64px);
  color: #fff;
  background: var(--teal-dark);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.final-cta .eyebrow {
  color: #a8e2dc;
}

.final-cta h2 {
  max-width: 760px;
}

.final-cta p {
  max-width: 720px;
  color: #d7eeeb;
}

.final-cta .primary {
  flex: 0 0 auto;
  background: var(--amber);
  color: var(--ink);
}

.whatsapp-float {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 30;
  display: inline-flex;
  min-height: 58px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 18px 0 12px;
  color: #fff;
  background: #128c7e;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  box-shadow: 0 18px 40px rgba(18, 140, 126, 0.32);
  font-weight: 900;
}

.whatsapp-float:hover,
.whatsapp-float:focus-visible {
  background: #0f766e;
  transform: translateY(-2px);
}

.whatsapp-icon {
  display: inline-grid;
  width: 38px;
  height: 38px;
  place-items: center;
  background: rgba(255, 255, 255, 0.16);
  border-radius: 999px;
}

.whatsapp-icon svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 28px clamp(18px, 4vw, 56px);
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.site-footer span:first-child {
  color: var(--ink);
  font-weight: 900;
}

@media (max-width: 980px) {
  .nav {
    display: none;
  }

  .hero {
    min-height: 720px;
    padding-top: 72px;
  }

  .hero-media::after {
    background:
      linear-gradient(180deg, rgba(251, 250, 246, 0.95), rgba(251, 250, 246, 0.66)),
      linear-gradient(90deg, rgba(251, 250, 246, 0.92), rgba(251, 250, 246, 0.2));
  }

  .section-grid,
  .split,
  .model-grid,
  .audience-grid,
  .timeline,
  .faq-grid {
    grid-template-columns: 1fr;
  }

  .panel {
    min-height: auto;
  }
}

@media (max-width: 680px) {
  .site-header {
    gap: 12px;
    padding: 12px 16px;
  }

  .brand span:last-child {
    font-size: 0.92rem;
  }

  .brand img {
    width: 168px;
  }

  .header-cta {
    min-height: 40px;
    padding: 0 12px;
    font-size: 0.88rem;
  }

  .hero {
    min-height: 680px;
    padding: 58px 16px 44px;
  }

  h1 {
    font-size: clamp(2.7rem, 16vw, 4.5rem);
  }

  h2 {
    font-size: clamp(1.95rem, 11vw, 3rem);
  }

  .hero-actions,
  .final-cta {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
    padding: 0 14px;
    text-align: center;
  }

  .whatsapp-float {
    right: 16px;
    bottom: 16px;
    left: 16px;
    min-height: 54px;
    padding: 0 18px;
  }

  .proof-strip {
    grid-template-columns: 1fr;
  }

  .proof-strip div {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .proof-strip div:last-child {
    border-bottom: 0;
  }

  .section {
    padding: 64px 16px;
  }

  .feature-card,
  .audience-grid article,
  .faq-grid details {
    min-height: auto;
    padding: 22px;
  }

  .site-footer {
    flex-direction: column;
    padding: 24px 16px;
  }
}
