:root {
  --bg: #f6f0e4;
  --bg-soft: #fffaf0;
  --ink: #10261f;
  --muted: #5f6b61;
  --green: #173f33;
  --green-2: #245b48;
  --gold: #c79d4b;
  --gold-soft: #ead8a8;
  --line: rgba(16, 38, 31, 0.14);
  --shadow: 0 24px 80px rgba(16, 38, 31, 0.16);
  --radius: 28px;
  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(
      circle at top left,
      rgba(199, 157, 75, 0.28),
      transparent 32rem
    ),
    radial-gradient(
      circle at 80% 8%,
      rgba(36, 91, 72, 0.22),
      transparent 30rem
    ),
    var(--bg);
  color: var(--ink);
  line-height: 1.6;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem clamp(1rem, 4vw, 4rem);
  background: rgba(246, 240, 228, 0.88);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(18px);
  transition:
    border-color 180ms ease,
    box-shadow 180ms ease;
}

.site-header.is-scrolled {
  border-color: var(--line);
  box-shadow: 0 10px 30px rgba(16, 38, 31, 0.08);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 3rem;
  height: 3rem;
  place-items: center;
  border-radius: 999px;
  background: var(--green);
  color: var(--gold-soft);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.45rem;
  font-weight: 700;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.15rem;
  line-height: 1;
}

.brand small {
  color: var(--muted);
  font-size: 0.78rem;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.main-nav a {
  text-decoration: none;
}

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

.nav-cta {
  padding: 0.75rem 1rem;
  border-radius: 999px;
  background: var(--green);
  color: #fffaf0 !important;
  font-weight: 700;
}

.menu-toggle {
  display: none;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--bg-soft);
  color: var(--ink);
  padding: 0.7rem 1rem;
  font: inherit;
}

.section {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  padding: clamp(4rem, 8vw, 7rem) 0;
}

.hero {
  display: grid;
  min-height: calc(100vh - 5.2rem);
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.75fr);
  align-items: center;
  gap: clamp(2rem, 6vw, 5rem);
  padding-top: clamp(3rem, 7vw, 6rem);
}

.eyebrow {
  margin: 0 0 0.9rem;
  color: var(--gold);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

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

h1,
h2 {
  font-family: Georgia, "Times New Roman", serif;
  line-height: 0.98;
  letter-spacing: -0.045em;
}

h1 {
  max-width: 780px;
  margin-bottom: 1.4rem;
  font-size: clamp(3.4rem, 8vw, 7.6rem);
}

h2 {
  margin-bottom: 1rem;
  font-size: clamp(2.2rem, 5vw, 4.5rem);
}

h3 {
  margin-bottom: 0.7rem;
  font-size: 1.25rem;
  line-height: 1.15;
}

.hero-lead {
  max-width: 690px;
  color: var(--muted);
  font-size: clamp(1.1rem, 2vw, 1.35rem);
}

.hero-actions,
.final-cta {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.2rem;
  border-radius: 999px;
  padding: 0.9rem 1.35rem;
  text-decoration: none;
  font-weight: 800;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    background 180ms ease;
}

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

.button.primary {
  background: var(--green);
  color: #fffaf0;
  box-shadow: 0 18px 40px rgba(23, 63, 51, 0.22);
}

.button.primary:hover {
  background: var(--green-2);
}

.button.secondary {
  border: 1px solid var(--line);
  background: rgba(255, 250, 240, 0.72);
  color: var(--ink);
}

.button.large {
  min-width: 220px;
}

.trust-row {
  display: flex;
  gap: 0.65rem;
  flex-wrap: wrap;
  margin-top: 2rem;
}

.trust-row span,
.source-list span {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 250, 240, 0.62);
  color: var(--muted);
  padding: 0.55rem 0.8rem;
  font-size: 0.9rem;
}

.hero-card,
.safety-card,
.method-panel {
  border: 1px solid rgba(234, 216, 168, 0.34);
  border-radius: var(--radius);
  background:
    linear-gradient(145deg, rgba(23, 63, 51, 0.96), rgba(16, 38, 31, 0.98)),
    var(--green);
  color: #fffaf0;
  box-shadow: var(--shadow);
}

.hero-card {
  position: relative;
  overflow: hidden;
  padding: clamp(1.6rem, 4vw, 2.4rem);
}

.hero-card::before {
  position: absolute;
  inset: -40% -35% auto auto;
  width: 17rem;
  height: 17rem;
  border-radius: 999px;
  background: rgba(199, 157, 75, 0.34);
  content: "";
  filter: blur(4px);
}

.hero-card h2 {
  position: relative;
  font-size: clamp(2rem, 4vw, 3.1rem);
}

.card-kicker,
.protocol-number {
  color: var(--gold-soft);
  font-size: 0.82rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.check-list {
  position: relative;
  display: grid;
  gap: 0.8rem;
  margin: 1.6rem 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 1.7rem;
  color: rgba(255, 250, 240, 0.82);
}

.check-list li::before {
  position: absolute;
  left: 0;
  top: 0;
  color: var(--gold-soft);
  content: "✓";
}

.section-heading {
  max-width: 780px;
}

.section-heading.centered {
  margin: 0 auto 2.4rem;
  text-align: center;
}

.section-heading p {
  color: var(--muted);
  font-size: 1.08rem;
}

.intro-section {
  padding-top: 2rem;
}

.intro-grid,
.audience-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 2rem;
}

.intro-grid article,
.protocol-card,
.audience-grid div {
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(255, 250, 240, 0.7);
}

.intro-grid article {
  padding: 1.5rem;
}

.stat {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--green);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 700;
  line-height: 1;
}

.intro-grid p,
.protocol-card p,
.audience-grid div,
.safety-card p,
.method-panel p,
.site-footer p {
  color: var(--muted);
}

.protocol-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.protocol-card {
  display: flex;
  min-height: 390px;
  flex-direction: column;
  padding: 1.45rem;
}

.protocol-card h3 {
  margin-top: 1.2rem;
}

.protocol-card strong {
  margin-top: auto;
  color: var(--green);
}

.protocol-card strong + p {
  margin-bottom: 0;
}

.featured-card {
  background: linear-gradient(
    180deg,
    rgba(234, 216, 168, 0.42),
    rgba(255, 250, 240, 0.82)
  );
}

.method-panel {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 2rem;
  padding: clamp(1.5rem, 4vw, 3rem);
}

.method-panel p {
  color: rgba(255, 250, 240, 0.75);
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.steps article {
  border: 1px solid rgba(255, 250, 240, 0.16);
  border-radius: 22px;
  background: rgba(255, 250, 240, 0.07);
  padding: 1.2rem;
}

.steps span {
  display: grid;
  width: 2.4rem;
  height: 2.4rem;
  place-items: center;
  border-radius: 999px;
  background: var(--gold-soft);
  color: var(--ink);
  font-weight: 900;
}

.steps h3 {
  margin-top: 1rem;
}

.audience-section {
  padding-top: 2rem;
}

.audience-grid {
  grid-template-columns: repeat(4, 1fr);
}

.audience-grid div {
  padding: 1.4rem;
  font-weight: 700;
}

.safety-card {
  padding: clamp(1.6rem, 4vw, 3rem);
}

.safety-card p {
  max-width: 900px;
  color: rgba(255, 250, 240, 0.78);
}

.evidence-section {
  padding-top: 2rem;
}

.source-list {
  display: flex;
  justify-content: center;
  gap: 0.7rem;
  flex-wrap: wrap;
}

.final-cta {
  justify-content: space-between;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.final-cta div {
  max-width: 720px;
}

.final-cta p {
  color: var(--muted);
  font-size: 1.1rem;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 2rem clamp(1rem, 4vw, 4rem) 6rem;
  border-top: 1px solid var(--line);
}

.site-footer p {
  margin: 0;
  font-size: 0.95rem;
}

.floating-whatsapp {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 30;
  border-radius: 999px;
  background: #1f9d55;
  color: white;
  padding: 0.95rem 1.2rem;
  box-shadow: 0 18px 40px rgba(31, 157, 85, 0.28);
  text-decoration: none;
  font-weight: 900;
}

@media (max-width: 980px) {
  .hero,
  .method-panel {
    grid-template-columns: 1fr;
  }

  .intro-grid,
  .protocol-grid,
  .steps,
  .audience-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero {
    min-height: auto;
  }
}

@media (max-width: 760px) {
  .site-header {
    align-items: flex-start;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .main-nav {
    position: absolute;
    top: calc(100% - 0.2rem);
    right: 1rem;
    left: 1rem;
    display: none;
    flex-direction: column;
    align-items: stretch;
    border: 1px solid var(--line);
    border-radius: 22px;
    background: var(--bg-soft);
    padding: 1rem;
    box-shadow: var(--shadow);
  }

  .main-nav.is-open {
    display: flex;
  }

  .main-nav a {
    padding: 0.55rem 0;
  }

  .nav-cta {
    text-align: center;
  }

  .section {
    width: min(100% - 1rem, 1180px);
  }

  .intro-grid,
  .protocol-grid,
  .steps,
  .audience-grid {
    grid-template-columns: 1fr;
  }

  .protocol-card {
    min-height: auto;
  }

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

  .button {
    width: 100%;
  }

  .site-footer {
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition: none !important;
  }
}