:root {
  --bg: #f7fbfc;
  --surface: #ffffff;
  --surface-soft: #eef7f8;
  --text: #1a2a33;
  --muted: #4e6571;
  --primary: #0f8a9d;
  --primary-dark: #0a6673;
  --border: #d8e8ed;
  --shadow: 0 14px 30px rgba(22, 61, 72, 0.1);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Manrope", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1 0 auto;
}

h1,
h2,
h3 {
  margin: 0 0 0.8rem;
  line-height: 1.2;
}

h1,
h2 {
  font-family: "Merriweather", serif;
}

p {
  margin: 0 0 1rem;
  color: var(--muted);
}

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

.container {
  width: min(1120px, 92%);
  margin: 0 auto;
}

.topbar {
  background: #0d3d4a;
  color: #d9eef4;
  font-size: 0.9rem;
}

.topbar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.55rem 0;
}

.navbar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.9rem 0;
}

.logo {
  font-weight: 800;
  color: #12303a;
  display: inline-flex;
  align-items: center;
  gap: 0;
}

.logo-mark {
  width: clamp(56px, 4.8vw, 84px);
  height: auto;
  flex: 0 0 auto;
  display: block;
}

.nav-links {
  display: flex;
  gap: 1.2rem;
  align-items: center;
  flex-wrap: wrap;
  font-weight: 600;
  color: #274550;
}

.nav-cta {
  margin-left: 0.35rem;
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border);
  width: 44px;
  height: 44px;
  border-radius: 12px;
  padding: 0;
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

.nav-toggle-icon {
  display: inline-flex;
  flex-direction: column;
  gap: 5px;
}

.nav-toggle-icon span {
  width: 20px;
  height: 2px;
  background: #12303a;
  border-radius: 999px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.navbar .nav-cta-mobile {
  display: none;
}

.banner-strip {
  padding: 0.25rem 0 1.25rem;
}

.banner-strip-link {
  display: block;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: 0 14px 30px rgba(22, 61, 72, 0.14);
  background: linear-gradient(180deg, rgba(15, 138, 157, 0.08), rgba(15, 138, 157, 0));
}

.banner-strip img {
  width: 100%;
  height: auto;
  display: block;
}

.bmi-strip {
  padding: 0.6rem 0 1.2rem;
}

.bmi-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 1.2rem;
  align-items: stretch;
}

.bmi-copy p {
  max-width: 60ch;
}

.bmi-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 1.1rem;
}

.bmi-form {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 0.75rem;
  align-items: end;
  margin-bottom: 0.9rem;
}

.bmi-field {
  display: grid;
  gap: 0.35rem;
  font-weight: 800;
  color: #1d3440;
}

.bmi-field span {
  font-size: 0.92rem;
}

.bmi-field input {
  width: 100%;
  padding: 0.7rem 0.8rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #ffffff;
  font: inherit;
  color: var(--text);
  outline: none;
  box-shadow: 0 10px 18px rgba(22, 61, 72, 0.06);
}

.bmi-field input:focus {
  border-color: rgba(15, 138, 157, 0.55);
  box-shadow: 0 0 0 4px rgba(15, 138, 157, 0.12);
}

.bmi-result {
  border-top: 1px dashed rgba(39, 69, 80, 0.18);
  padding-top: 0.9rem;
}

.bmi-result-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.bmi-kpi {
  background: linear-gradient(180deg, rgba(15, 138, 157, 0.12), rgba(15, 138, 157, 0));
  border: 1px solid rgba(15, 138, 157, 0.22);
  border-radius: 14px;
  padding: 0.75rem 0.85rem;
}

.bmi-kpi-label {
  font-size: 0.85rem;
  color: #3b5a66;
  font-weight: 800;
}

.bmi-kpi-value {
  font-size: 1.45rem;
  font-weight: 900;
  letter-spacing: 0.2px;
  color: #12303a;
}

.bmi-note {
  margin: 0.75rem 0 0;
  font-size: 0.95rem;
  color: #4e6571;
}

.nav-dd {
  position: relative;
}

.nav-dd summary {
  list-style: none;
  cursor: pointer;
  user-select: none;
  font-weight: 700;
}

.nav-dd summary::-webkit-details-marker {
  display: none;
}

.nav-dd summary::after {
  content: " ▾";
  font-weight: 800;
  color: #3b5a66;
}

.nav-dd-menu {
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  min-width: 260px;
  background: linear-gradient(135deg, #0a6673 0%, #0f8a9d 100%);
  color: #ffffff;
  border-radius: 8px;
  box-shadow: 0 14px 30px rgba(22, 61, 72, 0.22);
  padding: 0.55rem;
  display: none;
  border: 1px solid rgba(255, 255, 255, 0.22);
  z-index: 30;
}

.nav-dd[open] .nav-dd-menu {
  display: block;
}

.nav-dd-menu a {
  display: block;
  padding: 0.6rem 0.7rem;
  border-radius: 6px;
  color: #ffffff;
  font-weight: 700;
  white-space: nowrap;
}

.nav-dd-menu a:hover {
  background: rgba(255, 255, 255, 0.14);
}

.hero {
  padding: 4rem 0 2.8rem;
  background: radial-gradient(circle at top right, #d9f0f4 0%, #f7fbfc 52%, #f7fbfc 100%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 1.6rem;
  align-items: start;
}

.hero-card {
  align-self: start;
}

.hero-image {
  margin-top: 1.2rem;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.hero-image img {
  width: 100%;
  display: block;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.tag {
  display: inline-block;
  background: #e4f4f7;
  color: var(--primary-dark);
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 700;
}

.lead {
  font-size: 1.08rem;
  max-width: 62ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1rem;
}

.hero-card {
  background: var(--surface);
  padding: 1.3rem;
  border-radius: 16px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.hero-card ul {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--muted);
}

.hero-card li + li {
  margin-top: 0.45rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--primary);
  color: #fff;
  border: 0;
  border-radius: 10px;
  padding: 0.72rem 1rem;
  font-weight: 700;
  cursor: pointer;
}

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

.btn-small {
  padding: 0.45rem 0.8rem;
  font-size: 0.85rem;
}

.btn-outline {
  background: transparent;
  color: var(--primary-dark);
  border: 1px solid #8dc2cb;
}

.section {
  padding: 3.2rem 0;
}

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

.cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.2rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.15rem;
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.9rem;
}

.step {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1rem;
}

.step span {
  display: inline-grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  font-weight: 700;
  color: #fff;
  background: var(--primary);
  margin-bottom: 0.6rem;
}

.faq details {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.85rem 1rem;
}

.faq details + details {
  margin-top: 0.7rem;
}

.faq summary {
  cursor: pointer;
  font-weight: 700;
  color: #183744;
}

.contact {
  padding: 3rem 0;
  background: #e2f1f4;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 1.1rem;
}

.contact-form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1rem;
  display: grid;
  gap: 0.45rem;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid #bdd5db;
  border-radius: 10px;
  padding: 0.66rem 0.72rem;
  font: inherit;
}

.footer {
  background: #0d3d4a;
  color: #bfd9df;
  padding: 1rem 0;
  font-size: 0.92rem;
}

.footer .container {
  text-align: center;
}

.footer a {
  color: #a8e6f0;
  text-decoration: underline;
}

.footer a:hover {
  color: #ffffff;
}

.page-hero {
  padding: 3rem 0 1.5rem;
  background: linear-gradient(180deg, #e8f5f7 0%, rgba(232, 245, 247, 0) 100%);
}

.page-hero p {
  max-width: 75ch;
}

.about-hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 1.2rem;
  align-items: center;
}

.about-hero-copy p {
  margin-bottom: 0;
}

.portrait-card {
  margin: 1.2rem 0 0;
  position: relative;
  border-radius: 22px;
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  background: radial-gradient(100% 80% at 20% 20%, rgba(15, 138, 157, 0.18) 0%, rgba(15, 138, 157, 0) 60%),
    radial-gradient(90% 70% at 90% 10%, rgba(10, 102, 115, 0.16) 0%, rgba(10, 102, 115, 0) 55%),
    linear-gradient(180deg, #ffffff 0%, #f3fbfc 100%);
  isolation: isolate;
}

.portrait-card img {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: 50% 8%;
  transform: scale(1.01);
}

.portrait-blob {
  position: absolute;
  inset: auto;
  width: 360px;
  height: 360px;
  border-radius: 999px;
  filter: blur(0px);
  opacity: 0.95;
  z-index: 0;
  mix-blend-mode: multiply;
}

.portrait-blob.blob-1 {
  left: -140px;
  top: -170px;
  background: radial-gradient(circle at 30% 30%, rgba(15, 138, 157, 0.9), rgba(15, 138, 157, 0) 70%);
  transform: rotate(18deg);
}

.portrait-blob.blob-2 {
  right: -170px;
  top: -120px;
  background: radial-gradient(circle at 40% 40%, rgba(10, 102, 115, 0.85), rgba(10, 102, 115, 0) 72%);
  transform: rotate(-12deg);
}

.portrait-blob.blob-3 {
  right: -190px;
  bottom: -210px;
  background: radial-gradient(circle at 35% 35%, rgba(15, 138, 157, 0.75), rgba(15, 138, 157, 0) 68%);
  transform: rotate(22deg);
}

.portrait-card::after {
  content: "";
  position: absolute;
  inset: 10px;
  border-radius: 18px;
  pointer-events: none;
  border: 1px solid rgba(255, 255, 255, 0.55);
  z-index: 2;
}

.portrait-card img {
  position: relative;
  z-index: 1;
}

.content-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 1rem;
}

.content-block {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.1rem;
}

.content-block p:last-child,
.content-block ul:last-child {
  margin-bottom: 0;
}

.content-block ul {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--muted);
}

.content-block li + li {
  margin-top: 0.4rem;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem;
}

.metric {
  background: #f2fafb;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.85rem;
}

.metric strong {
  display: block;
  font-size: 1.15rem;
  color: #123540;
}

.cta-banner {
  margin: 2rem 0;
  background: linear-gradient(120deg, #0f8a9d, #126b79);
  color: #e9fdff;
  border-radius: 14px;
  padding: 1.2rem;
  display: flex;
  justify-content: space-between;
  gap: 0.8rem;
  align-items: center;
}

.cta-banner p {
  color: #d6f6fa;
  margin: 0;
}

.cta-banner-standalone {
  margin-top: 2.2rem;
  margin-bottom: 0;
  padding: 1.5rem 1.4rem;
}

.disclaimer-box {
  background: var(--surface-soft);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.4rem 1.5rem;
  margin-bottom: 1.2rem;
}

.disclaimer-box p {
  margin: 0 0 0.9rem;
}

.disclaimer-box p:last-child {
  margin-bottom: 0;
}

.muted-note {
  font-size: 0.95rem;
  color: var(--muted);
}

.muted-note a {
  color: var(--primary);
  font-weight: 700;
}

.whatsapp-float {
  position: fixed;
  right: 16px;
  bottom: 16px;
  background: #25d366;
  color: #fff;
  font-weight: 700;
  border-radius: 999px;
  padding: 0.72rem 1rem;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.18);
  z-index: 20;
}

.method-media {
  border-radius: 10px;
  overflow: hidden;
  margin-bottom: 0.7rem;
}

.method-media img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
}

@media (max-width: 980px) {
  .hero-grid,
  .contact-grid,
  .steps,
  .content-grid,
  .about-hero,
  .bmi-grid {
    grid-template-columns: 1fr;
  }

  .portrait-card {
    margin-top: 0.9rem;
  }

  .cards,
  .metric-grid {
    grid-template-columns: 1fr;
  }

  .cta-banner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 720px) {
  .nav-inner {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 0.6rem;
    padding: 0.65rem 0;
  }

  .nav-toggle {
    display: inline-flex;
    grid-column: 1;
    grid-row: 1;
  }

  .logo {
    grid-column: 2;
    grid-row: 1;
    justify-self: center;
  }

  .navbar .nav-cta-mobile {
    display: inline-flex;
    grid-column: 3;
    grid-row: 1;
    justify-self: end;
    margin-left: 0;
  }

  .nav-links {
    grid-column: 1 / -1;
    grid-row: 2;
    display: none;
    flex-direction: column;
    flex-wrap: nowrap;
    align-items: flex-start;
    gap: 0.55rem;
    width: 100%;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 0.75rem 0.75rem 0.9rem;
    box-shadow: var(--shadow);
    margin-top: 0.25rem;
  }

  .navbar.nav-open .nav-links {
    display: flex;
  }

  .nav-links .nav-cta {
    display: none !important;
  }

  .navbar.nav-open .nav-toggle-icon span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .navbar.nav-open .nav-toggle-icon span:nth-child(2) {
    opacity: 0;
  }

  .navbar.nav-open .nav-toggle-icon span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .nav-dd-menu {
    position: static;
    min-width: 100%;
    box-shadow: none;
    margin-top: 0.6rem;
  }

  .topbar-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.4rem;
  }

  .bmi-form {
    grid-template-columns: 1fr 1fr;
  }

  .bmi-form .btn {
    grid-column: 1 / -1;
    justify-self: stretch;
  }

  h1 {
    font-size: 1.8rem;
  }
}