/* ===== Tokens (see MASTER.md) ===== */
:root {
  --color-primary: #1F3D2E;
  --color-secondary: #5C7A5E;
  --color-accent: #C7A55B;
  --color-bg: #FBF9F4;
  --color-surface: #FFFFFF;
  --color-elevated: #F3EFE4;
  --color-ink: #211F1B;
  --color-ink-soft: #43403A;
  --color-line: #E7E0D0;
  --color-error: #A8503A;
  --color-on-dark: #FBF9F4;
  --color-on-dark-soft: rgba(251,249,244,.8);

  --font-heading: 'Fraunces', 'Playfair Display', serif;
  --font-body: 'Inter', sans-serif;

  --shadow-low: 0 2px 8px rgba(31,61,46,.06);
  --shadow-medium: 0 12px 32px rgba(31,61,46,.10);
  --shadow-high: 0 24px 64px rgba(31,61,46,.16);

  --radius-sm: 6px;
  --radius-md: 14px;
  --radius-lg: 28px;
  --radius-pill: 999px;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --dur-micro: 150ms;
  --dur-normal: 450ms;
  --dur-macro: 900ms;

  --max-width: 1240px;
}

/* ===== Dark mode tokens ===== */
:root[data-theme="dark"] {
  --color-bg: #14201A;
  --color-surface: #1B2921;
  --color-elevated: #1F2E25;
  --color-ink: #EFEADE;
  --color-ink-soft: #B9B2A0;
  --color-line: #2E3F34;
  --color-primary: #E7E0D0;
  --color-secondary: #9FB39F;
}
:root[data-theme="dark"] .hero-portrait { background: linear-gradient(160deg, #0F1913, var(--color-secondary)); }
:root[data-theme="dark"] .nav.is-scrolled { background: rgba(20,32,26,.72); }
:root[data-theme="dark"] .nav-cta { background: var(--color-accent); color: #14201A; }
:root[data-theme="dark"] .btn-primary { background: var(--color-accent); color: #14201A; }
:root[data-theme="dark"] .btn-secondary { border-color: var(--color-accent); color: var(--color-accent); }
:root[data-theme="dark"] .btn-secondary:hover { background: var(--color-accent); color: #14201A; }
:root[data-theme="dark"] .section-dark { background: #0F1913; }
:root[data-theme="dark"] .hero-credentials li { background: rgba(239,234,222,.06); border-color: rgba(199,165,91,.35); color: var(--color-ink-soft); }
:root[data-theme="dark"] .quote-mark { color: var(--color-accent); }

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  transition: background var(--dur-normal) var(--ease), color var(--dur-normal) var(--ease);
}

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

h1, h2, h3 {
  font-family: var(--font-heading);
  font-weight: 500;
  color: var(--color-primary);
  margin: 0 0 .5em;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

a { color: inherit; }

.overline {
  display: inline-block;
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 16px;
}

/* ===== Focus / a11y ===== */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-primary);
  color: var(--color-bg);
  padding: 12px 20px;
  z-index: 1000;
  border-radius: 0 0 var(--radius-sm) 0;
}
.skip-link:focus { left: 0; }

/* ===== Nav ===== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 20px 0;
  transition: background var(--dur-normal) var(--ease), box-shadow var(--dur-normal) var(--ease), padding var(--dur-normal) var(--ease);
}
.nav.is-scrolled {
  padding: 12px 0;
  background: rgba(251,249,244,.72);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--shadow-low);
}
.nav .container { display: flex; align-items: center; justify-content: space-between; }
.nav-brand {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--color-primary);
  text-decoration: none;
  letter-spacing: .01em;
}
.nav-links { display: flex; gap: 32px; list-style: none; margin: 0; padding: 0; }
.nav-links a {
  text-decoration: none;
  font-size: .9375rem;
  color: var(--color-ink-soft);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute; left: 0; bottom: -4px;
  width: 0; height: 1px;
  background: var(--color-accent);
  transition: width var(--dur-normal) var(--ease);
}
.nav-links a:hover::after { width: 100%; }
.nav-cta {
  font-size: .875rem;
  font-weight: 600;
  padding: 10px 22px;
  border-radius: var(--radius-pill);
  background: var(--color-primary);
  color: var(--color-bg);
  text-decoration: none;
}
.nav-toggle { display: none; }

.theme-toggle {
  display: flex; align-items: center; justify-content: center;
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 1px solid var(--color-line);
  background: var(--color-surface);
  color: var(--color-primary);
  cursor: pointer;
  transition: background var(--dur-normal) var(--ease), transform var(--dur-micro) var(--ease);
}
.theme-toggle:hover { transform: translateY(-2px); }
.theme-toggle:active { transform: translateY(0); }
.theme-toggle .icon-moon { display: none; }
:root[data-theme="dark"] .theme-toggle .icon-sun { display: none; }
:root[data-theme="dark"] .theme-toggle .icon-moon { display: block; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 34px;
  border-radius: var(--radius-pill);
  font-family: var(--font-body);
  font-size: .9375rem;
  font-weight: 600;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: transform var(--dur-normal) var(--ease), box-shadow var(--dur-normal) var(--ease), background var(--dur-normal) var(--ease);
}
.btn-primary {
  background: var(--color-primary);
  color: var(--color-bg);
  box-shadow: var(--shadow-low);
  position: relative;
  overflow: hidden;
}
.btn-primary::after {
  content: '';
  position: absolute; left: 24px; right: 24px; bottom: 10px;
  height: 1px; background: var(--color-accent);
  transform: scaleX(0); transform-origin: left;
  transition: transform var(--dur-normal) var(--ease);
}
.btn-primary:hover { box-shadow: var(--shadow-medium); }
.btn-primary:hover::after { transform: scaleX(1); }
.btn-secondary {
  background: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}
.btn-secondary:hover { background: var(--color-primary); color: var(--color-bg); }

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow-x: hidden;
  padding-top: 96px;
  padding-bottom: 64px;
}
.hero::after {
  content: '';
  position: absolute; left: 0; right: 0; bottom: 0; height: 200px;
  background: linear-gradient(to bottom, transparent, var(--color-bg));
  z-index: 1;
  pointer-events: none;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(60% 50% at 20% 20%, rgba(199,165,91,.16), transparent 60%),
    radial-gradient(70% 60% at 85% 15%, rgba(92,122,94,.20), transparent 60%),
    radial-gradient(80% 70% at 50% 100%, rgba(31,61,46,.10), transparent 60%),
    var(--color-bg);
  background-size: 200% 200%, 220% 220%, 200% 200%, 100% 100%;
  animation: meshDrift 70s ease-in-out infinite alternate;
}
@keyframes meshDrift {
  0%   { background-position: 0% 0%, 100% 0%, 50% 100%, 0 0; }
  100% { background-position: 30% 20%, 70% 30%, 40% 80%, 0 0; }
}
.hero-grain {
  position: absolute; inset: 0; z-index: 1;
  opacity: .05; mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
#hero-particles { position: absolute; inset: 0; z-index: 1; pointer-events: none; }
#hero-3d { position: absolute; inset: 0; z-index: 1; pointer-events: none; opacity: .55; }

.hero .container {
  position: relative; z-index: 2;
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 64px;
  align-items: center;
}
.hero-title {
  font-size: clamp(2.25rem, 4.4vw, 3.75rem);
  line-height: 1.12;
  letter-spacing: -0.01em;
  margin-bottom: 28px;
}
.hero-title .word { display: inline-block; overflow: hidden; }
.hero-title .word span { display: inline-block; }
.hero-lede {
  font-size: 1.125rem;
  color: var(--color-ink-soft);
  max-width: 46ch;
  margin-bottom: 24px;
}
.hero-emphasis {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  color: var(--color-primary);
  max-width: 46ch;
  margin-bottom: 32px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 48px; }
.btn-shout { text-transform: uppercase; letter-spacing: .03em; }
.hero-credentials {
  display: flex; flex-wrap: wrap; gap: 10px;
  list-style: none; padding: 0; margin: 0;
}
.hero-credentials li {
  font-size: .8125rem;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  color: var(--color-ink-soft);
  display: flex; align-items: center; gap: 6px;
}
.hero-credentials li::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--color-accent); }

.hero-portrait {
  position: relative;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, var(--color-primary), var(--color-secondary));
  box-shadow: var(--shadow-high);
  overflow: hidden;
}
.hero-portrait img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center 20%;
  display: block;
}

/* ===== Sections ===== */
section { padding: 128px 0; position: relative; }
.section-elevated { background: var(--color-elevated); }
.section-dark { background: var(--color-primary); color: var(--color-on-dark); overflow: hidden; }
.section-dark h2, .section-dark h3 { color: var(--color-on-dark); }
.section-dark .overline { color: var(--color-accent); }
.section-dark p { color: var(--color-on-dark-soft); }
.section-dark::before,
.section-dark::after {
  content: '';
  position: absolute; left: 0; right: 0; height: 140px;
  z-index: 0; pointer-events: none;
}
.section-dark::before { top: 0; background: linear-gradient(to bottom, var(--color-bg), transparent); }
.section-dark::after { bottom: 0; background: linear-gradient(to bottom, transparent, var(--color-bg)); }
.section-dark .container { position: relative; z-index: 1; }

.section-head { max-width: 640px; margin-bottom: 64px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

.reveal { opacity: 0; transform: translateY(20px); }
.reveal.is-visible {
  opacity: 1; transform: translateY(0);
  transition: opacity var(--dur-macro) var(--ease), transform var(--dur-macro) var(--ease);
}
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
}

/* ===== Mission ===== */
.mission { display: grid; grid-template-columns: .8fr 1.2fr; gap: 80px; align-items: start; }
.mission-lede { font-family: var(--font-heading); font-size: clamp(1.5rem, 2.4vw, 2rem); line-height: 1.35; color: var(--color-primary); }
.mission-body p { color: var(--color-ink-soft); margin: 0 0 24px; }
.mission-body .hero-credentials { margin-top: 8px; }

/* ===== Symptom / resources checklist ===== */
.symptom-grid {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
  max-width: 920px; margin-left: auto; margin-right: auto;
}
.symptom-grid li {
  display: flex; align-items: center; gap: 12px;
  padding: 16px 20px;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  font-size: .9375rem;
  color: var(--color-ink);
}
.symptom-grid li::before {
  content: '✓';
  flex-shrink: 0;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--color-elevated);
  color: var(--color-accent);
  font-size: .75rem; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}
.symptom-grid-check li::before { background: rgba(199,165,91,.14); }
.section-foot { text-align: center; margin-top: 32px; font-size: .9375rem; color: var(--color-ink-soft); }

/* ===== Stacked emotional lines ===== */
.stacked-lines { max-width: 640px; margin: 0 auto; text-align: center; }
.stacked-lines p {
  font-family: var(--font-heading);
  font-size: clamp(1.25rem, 2.2vw, 1.625rem);
  color: var(--color-on-dark-soft);
  margin: 0 0 20px;
  line-height: 1.5;
}
.stacked-lines-payoff {
  color: var(--color-on-dark) !important;
  font-size: clamp(1.5rem, 2.8vw, 2rem) !important;
  font-weight: 500;
  margin-top: 40px !important;
}
.stacked-lines-light p { color: var(--color-ink-soft); }
.stacked-lines-light .stacked-lines-payoff { color: var(--color-primary) !important; }

/* ===== Stats + testimonials ===== */
.stats-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
  text-align: center; margin-bottom: 12px;
}
.stat { padding: 32px 16px; border-radius: var(--radius-lg); background: var(--color-elevated); }
.stat-number {
  display: block; font-family: var(--font-heading); font-weight: 500;
  font-size: clamp(2.25rem, 4vw, 3rem); color: var(--color-primary);
}
.stat-label { display: block; margin-top: 8px; font-size: .875rem; color: var(--color-ink-soft); }
.stats-note { text-align: center; font-size: .75rem; color: var(--color-ink-soft); opacity: .7; margin: 16px 0 64px; }

.testimonials { position: relative; }
.testimonials-track {
  display: flex; gap: 24px; overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  padding-bottom: 8px;
}
.testimonials-track::-webkit-scrollbar { display: none; }
.testimonial-card {
  scroll-snap-align: start;
  flex: 0 0 min(420px, 85vw);
  margin: 0;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-low);
}
.testimonial-card p { font-family: var(--font-heading); font-size: 1.125rem; color: var(--color-primary); margin: 0 0 16px; line-height: 1.5; }
.testimonial-before { font-family: var(--font-body); font-size: .9375rem !important; color: var(--color-ink-soft) !important; }
.testimonial-before strong { color: var(--color-error); font-weight: 600; }
.testimonial-after strong { color: var(--color-secondary); font-weight: 600; }
.testimonial-card cite {
  display: block; font-style: normal; font-size: .8125rem; color: var(--color-ink-soft);
  text-transform: uppercase; letter-spacing: .04em;
}
.testimonials-controls { display: flex; gap: 12px; justify-content: center; margin-top: 24px; }
.testimonial-btn {
  width: 44px; height: 44px; border-radius: 50%;
  border: 1px solid var(--color-line); background: var(--color-surface);
  color: var(--color-primary); cursor: pointer; font-size: 1.125rem;
  transition: background var(--dur-normal) var(--ease), transform var(--dur-micro) var(--ease);
}
.testimonial-btn:hover { background: var(--color-elevated); transform: translateY(-2px); }

/* ===== Method cards ===== */
.method-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; position: relative; z-index: 1; }
#method-lines { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
#metodologia { position: relative; overflow: hidden; }
.method-card {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  box-shadow: var(--shadow-low);
  transition: transform var(--dur-normal) var(--ease), box-shadow var(--dur-normal) var(--ease);
  will-change: transform;
}
.method-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-medium); }
.method-icon {
  width: 48px; height: 48px;
  border-radius: var(--radius-md);
  background: var(--color-elevated);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
  color: var(--color-accent);
}
.method-card h3 { font-size: 1.125rem; margin-bottom: 10px; }
.method-card p { font-size: .9375rem; color: var(--color-ink-soft); margin: 0; }

/* ===== Realidade / stats ===== */
.reality { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.reality-symptoms { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.reality-symptoms li {
  display: flex; gap: 12px; align-items: baseline;
  font-size: .9375rem; color: rgba(251,249,244,.85);
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(251,249,244,.15);
}
.reality-symptoms li::before { content: '—'; color: var(--color-accent); flex-shrink: 0; }

/* ===== Featured treatment ===== */
.featured-treatment {
  padding: 96px 0;
  background:
    radial-gradient(70% 140% at 15% 50%, rgba(199,165,91,.14), transparent 60%),
    var(--color-primary);
  color: var(--color-on-dark);
  overflow: hidden;
}
.featured-treatment::before,
.featured-treatment::after {
  content: '';
  position: absolute; left: 0; right: 0; height: 100px;
  z-index: 0; pointer-events: none;
}
.featured-treatment::before { top: 0; background: linear-gradient(to bottom, var(--color-bg), transparent); }
.featured-treatment::after { bottom: 0; background: linear-gradient(to bottom, transparent, var(--color-bg)); }
.featured-treatment-inner {
  position: relative; z-index: 1;
  max-width: 680px; text-align: center; margin: 0 auto;
}
.featured-treatment-inner .overline { color: var(--color-accent); }
.featured-treatment-inner h2 { color: var(--color-on-dark); }
.featured-treatment-inner p { color: var(--color-on-dark-soft); margin-bottom: 32px; }
.featured-treatment-inner .btn-primary { background: var(--color-accent); color: #1F3D2E; }
.featured-treatment-inner .btn-primary::after { background: #1F3D2E; }
:root[data-theme="dark"] .featured-treatment { background: radial-gradient(70% 140% at 15% 50%, rgba(199,165,91,.14), transparent 60%), #0F1913; }

/* ===== Quote ===== */
.quote-block { text-align: center; max-width: 900px; margin: 0 auto; }
.quote-mark { font-family: var(--font-heading); font-size: 4rem; color: var(--color-accent); line-height: 1; margin-bottom: 16px; }
.quote-text {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  line-height: 1.4;
  color: var(--color-primary);
  font-weight: 500;
}
.quote-attr { margin-top: 24px; font-size: .875rem; color: var(--color-ink-soft); letter-spacing: .04em; text-transform: uppercase; }

/* ===== Commitment list ===== */
.commitment { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.commitment-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 24px; }
.commitment-list li { display: flex; gap: 16px; }
.commitment-list .num {
  font-family: var(--font-heading);
  color: var(--color-accent);
  font-size: 1.25rem;
  flex-shrink: 0;
}
.commitment-list strong { color: var(--color-primary); display: block; margin-bottom: 4px; }
.commitment-list span { color: var(--color-ink-soft); font-size: .9375rem; }

/* ===== Final CTA ===== */
.cta-final { text-align: center; }
.cta-final h2 { max-width: 720px; margin-left: auto; margin-right: auto; }

.booking-form {
  max-width: 640px; margin: 40px auto 0;
  display: grid; grid-template-columns: 1fr 1fr; gap: 20px;
  text-align: left;
}
.booking-form .field-full { grid-column: 1 / -1; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field label { font-size: .8125rem; font-weight: 600; color: var(--color-primary); }
.field input, .field textarea {
  font-family: var(--font-body);
  font-size: .9375rem;
  padding: 12px 4px;
  border: none;
  border-bottom: 1px solid var(--color-line);
  background: transparent;
  color: var(--color-ink);
  resize: vertical;
  transition: border-color var(--dur-normal) var(--ease);
}
.field input:hover, .field textarea:hover { border-color: var(--color-secondary); }
.field input:focus, .field textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}
.field input:focus-visible, .field textarea:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }
.field input:disabled, .field textarea:disabled { opacity: .5; cursor: not-allowed; }
.field input:active, .field textarea:active { border-color: var(--color-accent); }
.field.has-error input, .field.has-error textarea { border-color: var(--color-error); }
.field-error-msg { font-size: .75rem; color: var(--color-error); margin-top: -4px; }

.booking-form .btn-primary { justify-self: center; margin-top: 12px; }
.booking-form .btn-primary:disabled { opacity: .6; cursor: not-allowed; transform: none; box-shadow: var(--shadow-low); }
.field-hint { font-size: .875rem; color: var(--color-secondary); min-height: 1.2em; }
.field-hint.is-error { color: var(--color-error); }

/* ===== Footer ===== */
footer {
  padding: 48px 0;
  border-top: 1px solid var(--color-line);
  font-size: .8125rem;
  color: var(--color-ink-soft);
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .method-grid { grid-template-columns: repeat(2, 1fr); }
  .mission, .reality, .commitment { grid-template-columns: 1fr; gap: 40px; }
  .hero .container { grid-template-columns: 1fr; }
  .hero-portrait { max-width: 360px; margin: 0 auto; order: -1; }
  .stats-grid { grid-template-columns: 1fr; }
  .symptom-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  section { padding: 88px 0; }
  .method-grid { grid-template-columns: 1fr; }
  .symptom-grid { grid-template-columns: 1fr; }
  .booking-form { grid-template-columns: 1fr; }
  .nav .container { flex-wrap: nowrap; gap: 8px; }
  .nav-brand { font-size: .9375rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .theme-toggle { width: 34px; height: 34px; flex-shrink: 0; }
  .nav-cta {
    font-size: .8125rem;
    padding: 9px 14px;
    white-space: nowrap;
    flex-shrink: 0;
  }
}
@media (max-width: 400px) {
  .nav-brand { max-width: 92px; }
}