:root {
  --navy: #1c2a3a;
  --navy-deep: #121c28;
  --sage: #5f7a66;
  --sage-soft: #8fa894;
  --olive: #3d5244;
  --mist: #e8eee9;
  --paper: #f4f7f5;
  --ink: #1a2420;
  --muted: #5a6b62;
  --line: rgba(28, 42, 58, 0.12);
  --profit: #2f6b4f;
  --profit-bg: rgba(47, 107, 79, 0.1);
  --loss: #9b3d3d;
  --loss-bg: rgba(155, 61, 61, 0.1);
  --zero: #6b5e3d;
  --zero-bg: rgba(107, 94, 61, 0.12);
  --radius: 4px;
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Manrope", system-ui, sans-serif;
  --space: clamp(1.25rem, 3vw, 2rem);
  --max: 1120px;
  --narrow: 720px;
  --header-h: 4.25rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(95, 122, 102, 0.14), transparent 55%),
    radial-gradient(900px 500px at 100% 20%, rgba(28, 42, 58, 0.06), transparent 50%),
    var(--paper);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--navy);
  color: #fff;
  padding: 0.75rem 1rem;
  z-index: 100;
}

.skip-link:focus {
  left: 0.5rem;
  top: 0.5rem;
}

.container {
  width: min(100% - 2 * var(--space), var(--max));
  margin-inline: auto;
}

.container.narrow {
  width: min(100% - 2 * var(--space), var(--narrow));
}

/* Header */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  height: var(--header-h);
  transition: background 0.35s ease, box-shadow 0.35s ease, backdrop-filter 0.35s ease;
}

.site-header:not(.is-scrolled) .site-nav a,
.site-header:not(.is-scrolled) .site-header__book {
  color: #f4f7f5;
}

.site-header:not(.is-scrolled) .site-header__entrar {
  background: rgba(244, 247, 245, 0.16);
  border-color: rgba(244, 247, 245, 0.45);
  color: #f4f7f5;
}

.site-header:not(.is-scrolled) .site-header__entrar:hover {
  background: rgba(244, 247, 245, 0.28);
}

.site-header.is-scrolled {
  background: rgba(244, 247, 245, 0.92);
  backdrop-filter: blur(10px);
  box-shadow: 0 1px 0 var(--line);
}

.site-header__inner {
  width: min(100% - 2 * var(--space), var(--max));
  margin-inline: auto;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.brand__logo {
  width: auto;
  height: 2.35rem;
}

.brand--compact {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.site-header.is-scrolled .brand--compact {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.site-nav {
  display: none;
  gap: 1.25rem;
  margin-left: auto;
  margin-right: 0;
  font-size: 0.9rem;
  font-weight: 500;
}

.site-nav a,
.site-header__book {
  text-decoration: none;
  color: var(--navy);
  opacity: 0.85;
  font-weight: 500;
  font-size: 0.9rem;
  white-space: nowrap;
}

.site-nav a:hover,
.site-header__book:hover {
  opacity: 1;
}

.site-header__book {
  margin-left: auto;
}

.site-header__entrar {
  flex-shrink: 0;
  padding: 0.55rem 1rem;
  font-size: 0.88rem;
}

.site-header__entrar[aria-disabled="true"] {
  opacity: 0.55;
  cursor: not-allowed;
}

@media (min-width: 960px) {
  .site-nav {
    display: flex;
  }

  .site-header__book {
    display: none;
  }

  .site-header__entrar {
    margin-left: 0.25rem;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.35rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-family: inherit;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

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

.btn--primary {
  background: var(--navy);
  color: #f7faf8;
}

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

.btn--secondary {
  background: transparent;
  color: var(--navy);
  border-color: rgba(28, 42, 58, 0.28);
}

.btn--secondary:hover {
  background: rgba(28, 42, 58, 0.06);
  border-color: var(--navy);
}

.btn--ghost {
  background: transparent;
  color: #f4f7f5;
  border-color: rgba(244, 247, 245, 0.45);
}

.btn--ghost:hover {
  background: rgba(244, 247, 245, 0.1);
  border-color: rgba(244, 247, 245, 0.75);
}

.btn--sm {
  padding: 0.55rem 0.95rem;
  font-size: 0.85rem;
}

.btn--lg {
  padding: 1rem 1.6rem;
  font-size: 1rem;
}

.text-link {
  color: var(--olive);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

/* Hero */
.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-items: end;
  color: #f4f7f5;
  overflow: hidden;
}

.hero__media {
  position: absolute;
  inset: 0;
}

.hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 18%;
  transform: translateX(5%) scale(1.06);
  animation: heroZoom 12s ease-out forwards;
}

.hero__veil {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(18, 28, 40, 0.32) 0%, rgba(18, 28, 40, 0.28) 40%, rgba(18, 28, 40, 0.84) 100%),
    linear-gradient(90deg, rgba(18, 28, 40, 0.68) 0%, rgba(18, 28, 40, 0.35) 42%, rgba(18, 28, 40, 0.08) 68%, transparent 100%);
}

.hero__content {
  position: relative;
  z-index: 1;
  width: min(100% - 2 * var(--space), var(--max));
  margin: 0 auto;
  padding: calc(var(--header-h) + 2rem) 0 3.5rem;
  max-width: 36rem;
  margin-left: max(var(--space), calc((100% - var(--max)) / 2 + var(--space)));
}

.hero__brand {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6vw, 3.6rem);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.hero__tag {
  margin: 0.4rem 0 1.5rem;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(244, 247, 245, 0.82);
}

.hero__title {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 3.4vw, 2.15rem);
  font-weight: 500;
  line-height: 1.28;
  max-width: 28ch;
  text-wrap: balance;
}

.hero__lead {
  margin: 0 0 1.75rem;
  font-size: 1.05rem;
  color: rgba(244, 247, 245, 0.9);
  max-width: 38ch;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

@keyframes heroZoom {
  from {
    transform: translateX(5%) scale(1.1);
  }
  to {
    transform: translateX(5%) scale(1.06);
  }
}

/* Sections */
.section {
  padding: clamp(3.5rem, 8vw, 5.5rem) 0;
}

.section--muted {
  background: linear-gradient(180deg, rgba(232, 238, 233, 0.65), rgba(232, 238, 233, 0.25));
}

.section__title {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.5vw, 2.35rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--navy);
  line-height: 1.15;
}

.section__lead {
  margin: 0 0 2rem;
  color: var(--muted);
  max-width: 42ch;
}

/* Audience */
.audience-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.5rem;
}

.audience-list li {
  display: grid;
  gap: 0.35rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
}

.audience-list strong {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--navy);
  font-weight: 600;
}

.audience-list span {
  color: var(--muted);
}

/* Services */
.services {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.services li {
  display: grid;
  grid-template-columns: 3.5rem 1fr;
  gap: 1rem;
  padding: 1.5rem 0;
  border-top: 1px solid var(--line);
}

.services li:last-child {
  border-bottom: 1px solid var(--line);
}

.services__index {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--sage);
  font-weight: 600;
  padding-top: 0.2rem;
}

.services h3 {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--navy);
}

.services p {
  margin: 0;
  color: var(--muted);
  max-width: 52ch;
}

@media (min-width: 800px) {
  .services {
    grid-template-columns: 1fr 1fr;
    column-gap: 2.5rem;
  }

  .services li:nth-child(odd) {
    border-right: 1px solid var(--line);
    padding-right: 1.5rem;
  }

  .services li:last-child {
    border-bottom: 1px solid var(--line);
  }
}

/* Calculator */
.section--calc {
  background:
    linear-gradient(160deg, rgba(61, 82, 68, 0.06), transparent 40%),
    var(--paper);
}

.calc {
  background: #fff;
  border: 1px solid var(--line);
  padding: clamp(1.25rem, 3vw, 1.75rem);
}

.calc__modes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.calc__mode {
  font-family: inherit;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  border-radius: var(--radius);
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.calc__mode.is-active {
  background: var(--navy);
  border-color: var(--navy);
  color: #f4f7f5;
}

.calc__form {
  display: grid;
  gap: 1rem;
}

.field {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  gap: 0.35rem 0.5rem;
  align-items: center;
}

.field__label {
  grid-column: 1 / -1;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--navy);
}

.field__prefix {
  color: var(--muted);
  font-weight: 600;
}

.field input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.8rem 0.9rem;
  font-family: inherit;
  font-size: 1.1rem;
  color: var(--ink);
  background: var(--paper);
}

.field input:focus {
  outline: 2px solid var(--sage);
  outline-offset: 1px;
}

.calc__panel {
  display: grid;
  gap: 1rem;
}

.calc__panel[hidden] {
  display: none;
}

.calc__hint {
  margin: 0;
  font-size: 0.88rem;
  color: var(--muted);
}

.brand--footer .brand__logo {
  height: 2rem;
  width: auto;
  color: var(--navy);
  opacity: 0.9;
}

.calc__result {
  margin-top: 1.5rem;
  padding: 1.25rem;
  border-radius: var(--radius);
  background: var(--mist);
  transition: background 0.35s ease, color 0.35s ease;
}

.calc__result[data-state="profit"] {
  background: var(--profit-bg);
  color: var(--profit);
}

.calc__result[data-state="loss"] {
  background: var(--loss-bg);
  color: var(--loss);
}

.calc__result[data-state="zero"] {
  background: var(--zero-bg);
  color: var(--zero);
}

.calc__result-label {
  margin: 0;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.8;
}

.calc__result-value {
  margin: 0.25rem 0 0.35rem;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  font-weight: 600;
  line-height: 1.1;
  color: inherit;
}

.calc__result[data-state="idle"] .calc__result-value,
.calc__result[data-state="idle"] .calc__result-status {
  color: var(--navy);
}

.calc__result-status {
  margin: 0;
  font-weight: 700;
  font-size: 1.05rem;
}

.calc__result-msg {
  margin: 0.5rem 0 0;
  font-size: 0.95rem;
  color: var(--muted);
  max-width: 40ch;
}

.calc__result[data-state="profit"] .calc__result-msg,
.calc__result[data-state="loss"] .calc__result-msg,
.calc__result[data-state="zero"] .calc__result-msg {
  color: inherit;
  opacity: 0.9;
}

.calc__cta {
  margin-top: 1rem;
  display: inline-flex;
  background: var(--sage);
  color: #f7faf8;
  border-color: transparent;
}

.calc__cta:hover {
  background: var(--olive);
  color: #f7faf8;
}

.calc__cta[hidden] {
  display: none;
}

.calc__disclaimer {
  margin: 1rem 0 0;
  font-size: 0.8rem;
  color: var(--muted);
}

/* FAQ */
.faq {
  display: grid;
  gap: 0.5rem;
}

.faq__item {
  border-bottom: 1px solid var(--line);
}

.faq__item summary {
  list-style: none;
  cursor: pointer;
  padding: 1.15rem 1.75rem 1.15rem 0;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--navy);
  line-height: 1.35;
  position: relative;
}

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

.faq__item summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 1.15rem;
  font-family: var(--font-body);
  font-weight: 500;
  color: var(--sage);
  transition: transform 0.25s ease;
}

.faq__item[open] summary::after {
  content: "–";
}

.faq__body {
  padding: 0 0 1.25rem;
  animation: fadeIn 0.35s ease;
}

.faq__body p {
  margin: 0 0 0.75rem;
  color: var(--muted);
}

/* About */
.about__grid {
  display: grid;
  gap: 2rem;
  align-items: center;
}

.about__photo {
  overflow: hidden;
  border-radius: var(--radius);
  aspect-ratio: 4 / 5;
  max-width: 420px;
}

.about__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 15%;
}

.about__copy p {
  color: var(--muted);
  max-width: 40ch;
}

.about__copy p + p {
  margin-top: 1rem;
}

@media (min-width: 800px) {
  .about__grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 3.5rem;
  }
}

/* CTA final */
.cta-final {
  text-align: center;
  background:
    linear-gradient(180deg, transparent, rgba(95, 122, 102, 0.12)),
    var(--mist);
}

.cta-final .section__lead {
  margin-inline: auto;
}

.cta-final .btn {
  margin-top: 0.5rem;
}

.booking-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.25rem;
}

.booking-actions--center {
  justify-content: center;
}

.booking-fallback {
  margin: 1rem 0 0;
  font-size: 0.92rem;
  color: var(--muted);
  max-width: 42ch;
}

.booking-fallback[hidden] {
  display: none;
}

/* Footer */
.site-footer {
  padding: 2.5rem 0 3rem;
  border-top: 1px solid var(--line);
  background: #fff;
}

.site-footer__inner {
  display: grid;
  gap: 1rem;
  justify-items: start;
}

.site-footer__note {
  margin: 0;
  font-size: 0.85rem;
  color: var(--muted);
  max-width: 48ch;
}

.site-footer__contacts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.site-footer__contacts a {
  font-size: 0.95rem;
}

.footer-social {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--olive);
  font-weight: 600;
  text-decoration: none;
}

.footer-social:hover {
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.footer-social__icon {
  width: 1.15rem;
  height: 1.15rem;
  flex-shrink: 0;
}

.brand--footer .brand__logo {
  height: 2rem;
  width: auto;
  opacity: 0.9;
}

/* Reveal motion */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

.delay-1 {
  transition-delay: 0.08s;
}
.delay-2 {
  transition-delay: 0.16s;
}
.delay-3 {
  transition-delay: 0.24s;
}
.delay-4 {
  transition-delay: 0.32s;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

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

  .reveal,
  .faq__body {
    animation: none !important;
    transition: none !important;
    opacity: 1 !important;
    transform: none !important;
  }

  .hero__media img {
    animation: none !important;
    transition: none !important;
    transform: translateX(5%) scale(1.06) !important;
  }
}