/* ============================================
   TOKENS — Bruma Spa Urbano
   Vino profundo + marfil cálido + dorado. Moderno, sereno, confidente.
============================================ */
:root {
  --color-bg: #F7F1EA;
  --color-surface: #FFFFFF;
  --color-surface-muted: #F1E6D8;
  --color-ink: #241417;
  --color-ink-soft: #6B5A56;
  --color-border: #E6D9C7;

  --color-dark-bg: #1C1114;
  --color-dark-surface: #241A1D;
  --color-on-dark: #F7F1EA;
  --color-on-dark-soft: #C9B8B2;
  --color-on-dark-border: #3A2A2D;

  --color-primary: #7A2331;
  --color-primary-hover: #611A25;
  --color-primary-soft: #F0DCDF;

  --color-secondary: #2B4C4F;
  --color-gold: #B78A46;
  --color-gold-soft: #F1E4CC;

  --color-focus: #611A25;
  --color-success: #2B4C4F;
  --color-error: #A5372B;

  --font-display: "Cormorant Garamond", Georgia, "Times New Roman", serif;
  --font-body: "Jost", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --fs-body: clamp(1rem, 0.96rem + 0.18vw, 1.0625rem);
  --fs-small: 0.875rem;
  --fs-eyebrow: 0.8125rem;
  --fs-h1: clamp(2.1rem, 1.7rem + 2.6vw, 3.75rem);
  --fs-h2: clamp(1.65rem, 1.4rem + 1.3vw, 2.6rem);
  --fs-h3: clamp(1.15rem, 1.05rem + 0.35vw, 1.4rem);
  --fs-lead: clamp(1.02rem, 0.98rem + 0.28vw, 1.2rem);
  --fs-statement: clamp(1.5rem, 1.2rem + 1.6vw, 2.35rem);

  --lh-tight: 1.12;
  --lh-heading: 1.2;
  --lh-body: 1.65;

  --space-3xs: 0.25rem;
  --space-2xs: 0.5rem;
  --space-xs: 0.75rem;
  --space-sm: 1rem;
  --space-md: 1.25rem;
  --space-lg: 2rem;
  --space-xl: 2.75rem;
  --space-2xl: 3.5rem;

  --container-w: 1180px;
  --container-narrow-w: 720px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --border-w: 1px;

  --shadow-sm: 0 1px 3px rgba(36, 20, 23, 0.1);
  --shadow-md: 0 14px 32px rgba(36, 20, 23, 0.14);
  --shadow-lg: 0 28px 64px rgba(36, 20, 23, 0.2);

  --ease-standard: cubic-bezier(0.22, 0.61, 0.36, 1);
  --dur-fast: 160ms;
  --dur-base: 260ms;
  --dur-slow: 440ms;
}

@media (min-width: 640px) {
  :root {
    --space-lg: 2.5rem;
    --space-xl: 4rem;
    --space-2xl: 6rem;
  }
}

/* ============================================
   RESET
============================================ */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; height: auto; display: block; }
figure { margin: 0; }
a { color: inherit; }
ul, ol { padding: 0; margin: 0; list-style: none; }
button { font: inherit; }
h1, h2, h3, h4 { font-family: var(--font-display); line-height: var(--lh-heading); margin: 0; font-weight: 600; }
p { margin: 0; }
dl, dd { margin: 0; padding: 0; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-md);
  background: var(--color-primary);
  color: #fff;
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-sm);
  z-index: 300;
  transition: top var(--dur-base) var(--ease-standard);
}
.skip-link:focus { top: var(--space-sm); }

:focus-visible {
  outline: 2.5px solid var(--color-focus);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ============================================
   DEMO RIBBON
============================================ */
.demo-ribbon {
  background: var(--color-dark-bg);
  color: var(--color-on-dark);
  font-size: 0.8rem;
  text-align: center;
  padding: 0.55rem var(--space-md);
  line-height: 1.4;
}
.demo-ribbon__dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-gold);
  margin-right: 0.4em;
}

/* ============================================
   LAYOUT HELPERS
============================================ */
.container {
  width: 100%;
  max-width: var(--container-w);
  margin-inline: auto;
  padding-inline: var(--space-md);
}
.container--narrow { max-width: var(--container-narrow-w); }

.section { padding-block: var(--space-2xl); }
.section--muted { background: var(--color-surface-muted); }

.section-header { margin-bottom: var(--space-xl); max-width: 46ch; }
.section-header--center { margin-inline: auto; text-align: center; max-width: 52ch; }

.eyebrow {
  font-size: var(--fs-eyebrow);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
  display: block;
}
.eyebrow--center { text-align: center; }
.eyebrow--light {
  display: inline-flex;
  align-self: flex-start;
  color: var(--color-on-dark);
  background: rgba(28, 17, 20, 0.72);
  border: 1px solid rgba(247, 241, 234, 0.3);
  padding: 0.4em 0.9em;
  border-radius: 999px;
}

.section-title {
  font-size: var(--fs-h2);
  color: var(--color-ink);
  text-wrap: balance;
  line-height: var(--lh-tight);
}
.section-title--center { text-align: center; }

/* ============================================
   BUTTONS
============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
  font-family: var(--font-body);
  font-weight: 600;
  text-decoration: none;
  border-radius: 999px;
  border: var(--border-w) solid transparent;
  cursor: pointer;
  transition: transform var(--dur-fast) var(--ease-standard),
              background-color var(--dur-fast) var(--ease-standard),
              box-shadow var(--dur-fast) var(--ease-standard);
  max-width: 100%;
}
.btn .icon { width: 1.1em; height: 1.1em; fill: currentColor; flex-shrink: 0; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn--large { padding: 0.95rem 1.75rem; font-size: 1.0625rem; }
.btn--small { padding: 0.55rem 1.15rem; font-size: 0.9rem; }

.btn--primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow-sm);
}
.btn--primary:hover:not(:disabled) { background: var(--color-primary-hover); box-shadow: var(--shadow-md); transform: translateY(-1px); }

.btn--ghost {
  background: transparent;
  border-color: var(--color-ink);
  color: var(--color-ink);
  padding: 0.7rem 1.4rem;
  font-size: 1rem;
}
.btn--ghost:hover { background: var(--color-ink); color: var(--color-bg); }

.btn--ghost-light {
  background: transparent;
  border-color: rgba(247, 241, 234, 0.7);
  color: var(--color-on-dark);
  padding: 0.95rem 1.75rem;
  font-size: 1.0625rem;
}
.btn--ghost-light:hover { background: var(--color-on-dark); color: var(--color-ink); }

.btn--dark {
  background: var(--color-ink);
  color: var(--color-on-dark);
  padding: 0.7rem 1.4rem;
  font-size: 1rem;
}
.btn--dark:hover { background: var(--color-dark-bg); }

.btn--text {
  background: transparent;
  border: none;
  color: var(--color-ink-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
  padding: 0.4rem 0.2rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
}
.btn--text:hover { color: var(--color-primary); }

/* ============================================
   HEADER / NAV
============================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(247, 241, 234, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-sm);
}

.brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.4rem;
  letter-spacing: 0.03em;
  text-decoration: none;
  color: var(--color-ink);
  display: flex;
  flex-direction: column;
  line-height: 1;
}
.brand__sub {
  font-family: var(--font-body);
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-top: 0.35em;
}
.brand--footer { color: var(--color-on-dark); }
.brand--footer .brand__sub { color: var(--color-gold); }

.menu-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  padding: 0;
}
.menu-toggle__bar {
  width: 18px;
  height: 2px;
  background: var(--color-ink);
  margin-inline: auto;
  transition: transform var(--dur-base) var(--ease-standard), opacity var(--dur-base) var(--ease-standard);
}
.menu-toggle[aria-expanded="true"] .menu-toggle__bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] .menu-toggle__bar:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] .menu-toggle__bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.site-nav ul { display: flex; gap: var(--space-lg); align-items: center; }
.site-nav a:not(.btn) {
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--color-ink-soft);
  transition: color var(--dur-fast) var(--ease-standard);
}
.site-nav a:not(.btn):hover { color: var(--color-primary); }

@media (max-width: 860px) {
  .menu-toggle { display: flex; }
  .site-nav {
    position: fixed;
    inset: 65px var(--space-md) auto var(--space-md);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: var(--space-md);
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-md);
    opacity: 0;
    transform: translateY(-8px);
    pointer-events: none;
    transition: opacity var(--dur-base) var(--ease-standard), transform var(--dur-base) var(--ease-standard);
    z-index: 150;
  }
  .site-nav[data-state="open"] { opacity: 1; transform: translateY(0); pointer-events: auto; }
  .site-nav ul { flex-direction: column; align-items: flex-start; gap: var(--space-sm); }
  .site-nav .btn { align-self: stretch; justify-content: center; }
}
@media (min-width: 861px) {
  .menu-toggle { display: none; }
  .site-nav { display: flex; align-items: center; gap: var(--space-lg); }
}

/* ============================================
   HERO
============================================ */
.hero { position: relative; color: var(--color-on-dark); }
.hero__media {
  position: relative;
  height: 68vh;
  min-height: 420px;
  max-height: 720px;
}
.hero__media img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 35%; }
.hero__scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(28, 17, 20, 0.55) 0%, rgba(28, 17, 20, 0.35) 40%, rgba(28, 17, 20, 0.75) 100%);
}
.hero__content {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding-block-end: var(--space-xl);
}
.hero h1 {
  font-size: var(--fs-h1);
  line-height: var(--lh-tight);
  max-width: 14ch;
  text-wrap: balance;
  color: var(--color-on-dark);
}
.hero__lead {
  font-size: var(--fs-lead);
  color: var(--color-on-dark-soft);
  max-width: 44ch;
  margin-block: var(--space-md);
}
.hero__actions { display: flex; flex-wrap: wrap; gap: var(--space-sm); }

@media (min-width: 640px) {
  .hero__media { height: 78vh; }
}

/* ============================================
   SOBRE BRUMA
============================================ */
.about__inner { text-align: center; }
.about__statement {
  font-size: var(--fs-statement);
  line-height: var(--lh-tight);
  color: var(--color-ink);
  margin-block: var(--space-lg);
  text-wrap: balance;
}
.about__text { color: var(--color-ink-soft); max-width: 56ch; margin-inline: auto; }

/* ============================================
   REVEAL ON SCROLL
============================================ */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity var(--dur-slow) var(--ease-standard), transform var(--dur-slow) var(--ease-standard); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ============================================
   FOOTER
============================================ */
.site-footer {
  background: var(--color-dark-bg);
  color: var(--color-on-dark-soft);
  padding-block: var(--space-xl) var(--space-lg);
}
.footer-inner { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--space-md); }
.footer-brand p:last-child { margin-top: var(--space-2xs); font-size: var(--fs-small); }
.footer-links { display: flex; flex-wrap: wrap; gap: var(--space-md); }
.footer-links a { text-decoration: none; font-size: 0.9rem; }
.footer-links a:hover { color: var(--color-gold); }
.footer-restart { align-self: flex-start; color: var(--color-on-dark-soft); }
.footer-restart:hover { color: var(--color-gold); }
.footer-legal {
  font-size: 0.8rem;
  border-top: 1px solid var(--color-on-dark-border);
  padding-top: var(--space-md);
  margin-top: var(--space-sm);
  max-width: 70ch;
}
.footer-credit { font-size: 0.8rem; }
.footer-credit__brand { color: var(--color-gold); font-weight: 700; }