:root {
  --ink: #101a2d;
  --navy: #0b1426;
  --gold: #efc968;
  --paper: #fafbfc;
  --muted: #4e5d6d;
  --line: #d7dee5;
  --ease: 240ms ease;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  -webkit-text-size-adjust: 100%;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family:
    Inter,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  line-height: 1.6;
  letter-spacing: 0;
}
h1,
h2,
h3,
p {
  margin: 0;
}
a {
  color: inherit;
  text-decoration: none;
}
button,
input {
  font: inherit;
}
button,
a,
input {
  -webkit-tap-highlight-color: transparent;
}
a,
button {
  touch-action: manipulation;
}
button {
  cursor: pointer;
}
a:focus-visible,
button:focus-visible,
input:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid #997014;
  outline-offset: 5px;
}
::selection {
  background: var(--gold);
  color: var(--ink);
}
[hidden] {
  display: none !important;
}
.skip {
  position: fixed;
  top: 8px;
  left: 8px;
  padding: 12px;
  background: white;
  z-index: 20;
  transform: translateY(-200%);
}
.skip:focus {
  transform: none;
}
.section {
  max-width: 760px;
  margin: auto;
  padding: 48px 24px;
}
.eyebrow {
  font-size: 12px;
  font-weight: 750;
  text-transform: uppercase;
  line-height: 1.5;
}
.hero {
  position: relative;
  background: var(--navy);
  color: white;
  height: 430px;
  overflow: hidden;
}
.hero-photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 30%;
}
.hero:after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(0, 0, 0, 0.22),
    transparent 30%,
    rgba(4, 10, 20, 0.85) 100%
  );
}
.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 760px;
  height: 100%;
  margin: auto;
  padding: 22px 24px 30px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.handle {
  font-size: 14px;
  font-weight: 650;
  align-self: flex-start;
  min-height: 44px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.hero-copy {
  margin-top: auto;
}
.hero-copy .eyebrow {
  color: #fff;
  font-size: 11px;
  margin-bottom: 10px;
}
.hero h1 {
  font-size: 48px;
  font-weight: 750;
  line-height: 1.03;
  margin-bottom: 14px;
}
.hero-copy > p.tagline {
  font-size: 15px;
  line-height: 1.5;
  color: #f3f5f7;
}
.hero-caption {
  display: none;
}
.hero .credenciais {
  margin-top: 10px;
  font-size: 13px;
  font-weight: 650;
  letter-spacing: 0.02em;
  color: #f5c400;
}
.diagnostico h2 {
  text-wrap: balance;
}
.quick-nav {
  position: sticky;
  top: 0;
  z-index: 5;
  background: rgba(255, 255, 255, 0.97);
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: center;
  padding: 0 8px;
  gap: 3px;
}
.quick-nav a {
  min-height: 56px;
  display: flex;
  align-items: center;
  padding: 0 10px;
  font-size: 12px;
  font-weight: 650;
  transition: color var(--ease);
}
.quick-nav a:hover {
  color: var(--ink);
}
.quick-nav a[aria-current="location"] {
  color: var(--ink);
  box-shadow: inset 0 -3px var(--gold);
}
.book .button span,
.newsletter .button span {
  color: var(--gold);
}
.section-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.book .eyebrow {
  color: #77550a;
}
.edition {
  font-size: 11px;
  color: var(--muted);
}
.book h2 {
  font:
    normal 44px/1.1 Georgia,
    "Times New Roman",
    serif;
  margin: 24px 0 14px;
}
.book h2 em {
  font-weight: normal;
}
.book-subtitle {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.55;
  max-width: 330px;
}
.body-copy {
  font-size: 16px;
  line-height: 1.8;
  color: var(--muted);
  margin: 20px 0 24px;
}
.button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 54px;
  padding: 15px 18px;
  border: 0;
  border-radius: 4px;
  font-weight: 650;
  font-size: 14px;
  line-height: 1.5;
  transition:
    background var(--ease),
    transform var(--ease);
}
.button span {
  font-size: 22px;
  line-height: 1;
  flex-shrink: 0;
}
.primary {
  background: var(--ink);
  color: white;
}
.primary:hover {
  background: #243754;
  transform: translateY(-2px);
}
.note {
  font-size: 12px;
  line-height: 1.7;
  color: var(--muted);
  margin-top: 13px;
}
.note a {
  text-decoration: underline;
  text-underline-offset: 3px;
}
.tools-section {
  padding: 0 0 42px;
  background: #e9eef2;
}
.tools-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 15px;
  padding-bottom: 24px;
}
.tools-heading h2 {
  font-size: 24px;
  line-height: 1.25;
  margin-top: 10px;
}
.slider-controls {
  display: flex;
  gap: 6px;
}
.slider-controls button {
  width: 44px;
  height: 44px;
  border: 1px solid var(--navy);
  background: var(--navy);
  border-radius: 50%;
  font-size: 22px;
  color: var(--gold);
  transition:
    background var(--ease),
    color var(--ease);
}
.slider-controls button:not(:disabled):hover {
  background: #243b58;
}
.slider-controls button:disabled {
  border-color: #b7c3ce;
  background: transparent;
  color: #586b7b;
  cursor: default;
}
.tools-track {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  scrollbar-color: #7b8fa0 transparent;
  padding: 2px 24px 10px;
  scroll-padding-inline: 24px;
  max-width: 760px;
  margin: auto;
  overscroll-behavior-x: contain;
}
.tool {
  display: flex;
  flex-direction: column;
  flex: 0 0 86%;
  min-width: 0;
  scroll-snap-align: start;
  border-radius: 5px;
  padding: 25px;
  min-height: 295px;
  transition:
    transform var(--ease),
    box-shadow var(--ease);
}
.hydration {
  background: #122942;
  color: #fff;
}
.energy {
  background: #f8fafc;
  border: 1px solid #c7d2dc;
  color: var(--ink);
}
.hydration .eyebrow,
.hydration .tool-icon,
.hydration .tool-link span {
  color: var(--gold);
}
.energy .eyebrow,
.energy .tool-icon {
  color: #34516d;
}
.tool-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 24px;
}
.tool-icon {
  width: 46px;
  height: 46px;
  flex-shrink: 0;
}
.tool-icon svg {
  width: 100%;
  height: 100%;
}
.tool h3 {
  font-size: 23px;
  line-height: 1.25;
  font-weight: 650;
}
.tool > p {
  font-size: 14px;
  margin: 14px 0 28px;
  color: #455669;
  line-height: 1.65;
}
.hydration > p {
  color: #d8e2eb;
}
.tool-link {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  font-size: 13px;
  font-weight: 700;
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid rgba(16, 26, 45, 0.2);
}
.tool-link span {
  font-size: 23px;
}
.hydration .tool-link {
  border-color: rgba(255, 255, 255, 0.27);
}
.tool:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 22px rgba(11, 20, 38, 0.12);
}
.slider-status {
  max-width: 760px;
  margin: 9px auto 0;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.slider-count {
  white-space: nowrap;
  font-size: 12px;
  font-weight: 700;
  color: #344d66;
}
.slider-meter {
  width: 100%;
  height: 3px;
  background: #c6d2dc;
  overflow: hidden;
}
.slider-meter > span {
  display: block;
  width: calc(100% / var(--slide-count, 2));
  height: 100%;
  background: #876214;
  transform: translateX(calc(var(--slide-index, 0) * 100%));
  transition: transform var(--ease);
}
.newsletter h2,
.consult h2 {
  font:
    normal 32px/1.2 Georgia,
    "Times New Roman",
    serif;
  margin-top: 16px;
}
.newsletter-topics {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin: 0 0 28px;
  padding: 0 0 22px;
  border-bottom: 1px solid var(--line);
  font-size: 12px;
  color: #465365;
}
.newsletter-topics li:before {
  content: "+";
  margin-right: 8px;
  color: #896110;
}
label {
  display: block;
  font-size: 13px;
  font-weight: 650;
  margin-bottom: 8px;
}
.form-row {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.form-row input {
  min-width: 0;
  width: 100%;
  border: 1px solid #909dab;
  background: white;
  border-radius: 4px;
  padding: 14px 16px;
  min-height: 54px;
  color: var(--ink);
  font-size: 16px;
}
.form-row input::placeholder {
  color: #627083;
}
.form-row input[aria-invalid="true"] {
  border-color: #ae2533;
}
.form-row button:disabled {
  opacity: 0.65;
  cursor: wait;
}
.form-error {
  font-size: 13px;
  color: #a61f2c;
  margin-top: 8px;
}
.form-error:empty {
  display: none;
}
.success {
  display: flex;
  gap: 16px;
  border-top: 1px solid var(--line);
  padding: 24px 0;
}
.success > span {
  font-size: 26px;
  color: #346a50;
}
.success h3 {
  font-size: 18px;
}
.success p {
  font-size: 14px;
  color: var(--muted);
  margin-top: 8px;
}
.consult {
  background: var(--navy);
  color: white;
}
.consult .eyebrow {
  color: var(--gold);
}
.consult .body-copy {
  color: #c4ccd7;
}
.consult-detail {
  font-size: 13px;
  color: #c4ccd7;
  margin-bottom: 24px;
}
.gold {
  background: var(--gold);
  color: var(--ink);
}
.gold:hover {
  background: #f4d98e;
  transform: translateY(-2px);
}
.more-links {
  margin-top: 18px;
}
.more-links a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  min-height: 68px;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}
.more-links a span {
  font-size: 23px;
}
.more-links a:hover {
  color: #77550a;
}
.footer {
  padding-top: 0;
  padding-bottom: max(36px, env(safe-area-inset-bottom));
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 14px;
  font-size: 12px;
  color: var(--muted);
}
.footer > a:first-child {
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
}
.footer p {
  flex-basis: 100%;
  order: 2;
}
.reveal {
  animation: arrive 600ms both;
}
@keyframes arrive {
  from {
    opacity: 0.4;
    transform: translateY(15px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}
@media (min-width: 600px) {
  .hero {
    height: 480px;
  }
  .hero-photo {
    object-position: 50% 20%;
  }
  .hero h1 {
    font-size: 64px;
  }
  .hero-inner {
    padding-top: 30px;
    padding-bottom: 44px;
  }
  .hero-copy > p.tagline {
    font-size: 17px;
  }
  .hero-caption {
    display: block;
    position: absolute;
    right: 24px;
    bottom: 44px;
    font-size: 12px;
  }
  .section {
    padding-top: 60px;
    padding-bottom: 60px;
  }
  .book h2 {
    font-size: 56px;
  }
  .book .body-copy {
    max-width: 570px;
  }
  .book .button {
    max-width: 430px;
  }
  .tools-heading {
    padding-bottom: 24px;
  }
  .tool {
    flex-basis: calc(50% - 7px);
  }
  .form-row {
    flex-direction: row;
  }
  .form-row input {
    flex: 1;
  }
  .form-row button {
    flex: 0 0 200px;
  }
  .newsletter h2,
  .consult h2 {
    font-size: 40px;
  }
  .consult .button {
    max-width: 440px;
  }
  .footer {
    padding-top: 0;
  }
  .slider-controls {
    display: none;
  }
  .slider-status {
    display: none;
  }
}
@media (min-width: 1000px) {
  .hero-photo {
    object-position: 50% 19%;
  }
  .hero:after {
    background: linear-gradient(
      90deg,
      rgba(4, 10, 20, 0.82),
      rgba(4, 10, 20, 0.08) 70%
    );
  }
  .hero h1 {
    font-size: 72px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *:before,
  *:after {
    animation: none !important;
    transition: none !important;
  }
  .button:hover,
  .tool:hover {
    transform: none;
  }
}