/* ==========================================================================
   DESIGN SYSTEM — Hotel Atlântico Búzios Convention
   Versão: 1.0
   Atualizado: 2026-07-01
   ========================================================================== */

/* --------------------------------------------------------------------------
   IMPORTAÇÃO DE FONTES
   Playfair Display — títulos premium
   Inter           — corpo e UI
   Cormorant Garamond — detalhes sofisticados
   -------------------------------------------------------------------------- */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,500;0,700;1,400;1,700&family=Inter:wght@300;400;500;600&family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;1,400&display=swap');

/* --------------------------------------------------------------------------
   TOKENS GLOBAIS — :root
   -------------------------------------------------------------------------- */
:root {

  /* ===== CORES PRIMÁRIAS (extraídas da logo oficial) ===== */

  /* Azul Royal — cor dominante do brasão e texto da logo */
  --color-royal-blue:       #1B3A6B;
  /* Azul Oceano — tom intermediário, links e ícones ativos */
  --color-ocean-blue:       #2C5AA0;
  /* Azul Claro — hover states, badges, destaques suaves */
  --color-sky-blue:         #4A7FCA;

  /* ===== CORES DE ACENTO — DOURADO (galhos do brasão) ===== */

  /* Dourado — cor de acento premium, CTAs e preços */
  --color-gold:             #C5A044;
  /* Dourado Claro — hover em elementos dourados */
  --color-gold-light:       #D4B76A;
  /* Dourado Escuro — texto sobre fundos claros */
  --color-gold-dark:        #A6842E;

  /* ===== NEUTROS — DARK MODE ===== */

  /* Preto Profundo — background principal do site */
  --color-dark-900:         #0F1419;
  /* Cinza Escuro — cards, painéis, formulários */
  --color-dark-800:         #1A2332;
  /* Cinza Médio — bordas, separadores, inputs */
  --color-dark-700:         #2A3546;
  /* Cinza Neutro — texto secundário, placeholders */
  --color-neutral-400:      #8899AA;
  /* Cinza Claro — subtextos, labels */
  --color-neutral-200:      #C4D0DC;
  /* Branco Suave — texto principal sobre fundos escuros */
  --color-white:            #F5F7FA;
  /* Branco Puro — texto de destaque máximo */
  --color-pure-white:       #FFFFFF;

  /* ===== CORES FUNCIONAIS ===== */

  --color-success:          #2ECC71; /* Disponível, confirmado */
  --color-warning:          #E67E22; /* Últimas vagas, alertas */
  --color-error:            #E74C3C; /* Erros de formulário */
  --color-info:             #3498DB; /* Informações, tooltips */

  /* ===== GRADIENTES ===== */

  /* Hero principal — gradiente do oceano ao céu de Búzios */
  --gradient-hero:          linear-gradient(135deg, #0F1419 0%, #1B3A6B 50%, #2C5AA0 100%);
  /* Gradiente dourado — CTAs e elementos premium */
  --gradient-gold:          linear-gradient(135deg, #C5A044 0%, #D4B76A 50%, #C5A044 100%);
  /* Overlay para imagens de fundo */
  --gradient-overlay:       linear-gradient(180deg, rgba(15, 20, 25, 0.3) 0%, rgba(15, 20, 25, 0.85) 100%);
  /* Overlay sutil (hero com imagem forte) */
  --gradient-overlay-light: linear-gradient(180deg, rgba(15, 20, 25, 0.1) 0%, rgba(15, 20, 25, 0.6) 100%);

  /* ===== GLASSMORPHISM ===== */

  /* Fundo para booking bar, navbar ao scroll e cards glass */
  --glass-bg:               rgba(26, 35, 50, 0.65);
  /* Borda sutil em elementos glass */
  --glass-border:           rgba(255, 255, 255, 0.08);
  /* Blur padrão */
  --glass-blur:             blur(20px);
  /* Blur forte (navbar) */
  --glass-blur-heavy:       blur(32px);

  /* ===== TIPOGRAFIA — FAMÍLIAS ===== */

  --font-display:    'Playfair Display', Georgia, serif;
  --font-body:       'Inter', system-ui, sans-serif;
  --font-accent:     'Cormorant Garamond', Georgia, serif;

  /* ===== TIPOGRAFIA — ESCALA DE TAMANHOS ===== */

  /* Display — Texto hero principal, itálico recomendado */
  --text-display:    clamp(36px, 6vw, 64px);
  /* H1 — Títulos principais de seção */
  --text-h1:         clamp(30px, 4.5vw, 48px);
  /* H2 — Subtítulos de seção */
  --text-h2:         clamp(24px, 3.5vw, 36px);
  /* H3 — Nomes de quartos e serviços */
  --text-h3:         clamp(20px, 2.5vw, 28px);
  /* H4 — Labels de categoria */
  --text-h4:         clamp(18px, 2vw, 20px);
  /* Overline — Labels acima de títulos (ex: "ACOMODAÇÕES") */
  --text-overline:   12px;
  /* Body — Texto corrido, descrições */
  --text-body:       16px;
  /* Body Small — Detalhes, captions */
  --text-body-sm:    14px;
  /* Caption — Metadados, datas */
  --text-caption:    12px;

  /* ===== TIPOGRAFIA — PESOS ===== */

  --font-weight-light:      300;
  --font-weight-regular:    400;
  --font-weight-medium:     500;
  --font-weight-semibold:   600;
  --font-weight-bold:       700;

  /* ===== TIPOGRAFIA — LINE HEIGHTS ===== */

  --leading-tight:    1.1;  /* Títulos grandes */
  --leading-snug:     1.2;  /* H2, H3 */
  --leading-normal:   1.4;  /* H4, UI */
  --leading-relaxed:  1.6;  /* Body small */
  --leading-loose:    1.7;  /* Body text */

  /* ===== TIPOGRAFIA — LETTER SPACING ===== */

  --tracking-tighter:  -0.02em; /* Display */
  --tracking-tight:    -0.01em; /* H1 */
  --tracking-normal:    0em;
  --tracking-wide:      0.05em; /* Botões */
  --tracking-wider:     0.08em; /* CTAs */
  --tracking-widest:    0.15em; /* Overlines */

  /* ===== BORDER RADIUS ===== */

  --radius-none:   0px;     /* Elementos edge-to-edge, hero images */
  --radius-xs:     4px;     /* Botões, tags, badges */
  --radius-sm:     6px;     /* Inputs de formulário */
  --radius-md:     8px;     /* Booking bar, dropdowns */
  --radius-lg:     12px;    /* Cards, painéis */
  --radius-xl:     16px;    /* Modais, overlays */
  --radius-full:   9999px;  /* Avatares, pill buttons */

  /* ===== SOMBRAS ===== */

  --shadow-sm:     0 2px 8px rgba(0, 0, 0, 0.15);
  --shadow-md:     0 4px 16px rgba(0, 0, 0, 0.2);
  --shadow-lg:     0 12px 40px rgba(0, 0, 0, 0.3);
  --shadow-xl:     0 20px 60px rgba(0, 0, 0, 0.4);
  --shadow-gold:   0 8px 24px rgba(197, 160, 68, 0.25);
  --shadow-inner:  inset 0 1px 3px rgba(0, 0, 0, 0.2);

  /* ===== ESPAÇAMENTO (4pt Grid) ===== */

  --space-1:    4px;
  --space-2:    8px;
  --space-3:    12px;
  --space-4:    16px;
  --space-5:    20px;
  --space-6:    24px;
  --space-8:    32px;
  --space-10:   40px;
  --space-12:   48px;
  --space-16:   64px;
  --space-20:   80px;
  --space-24:   96px;
  --space-32:   128px;

  /* ===== CONTAINERS ===== */

  --container-sm:   640px;
  --container-md:   960px;
  --container-lg:   1200px;
  --container-xl:   1400px;

  /* ===== BREAKPOINTS (referência para JS/media queries) ===== */
  /* Use com @media (min-width: ...) no CSS */
  /* --bp-mobile: 480px   */
  /* --bp-tablet: 768px   */
  /* --bp-desktop: 1024px */
  /* --bp-wide: 1280px    */
  /* --bp-ultra: 1440px   */

  /* ===== ANIMAÇÕES — EASINGS ===== */

  --ease-smooth:  cubic-bezier(0.4, 0, 0.2, 1);
  --ease-bounce:  cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-out:     cubic-bezier(0, 0, 0.2, 1);
  --ease-in:      cubic-bezier(0.4, 0, 1, 1);

  /* ===== ANIMAÇÕES — DURAÇÕES ===== */

  --duration-fast:   150ms;
  --duration-normal: 300ms;
  --duration-slow:   500ms;
  --duration-hero:   800ms;

  /* ===== Z-INDEX SCALE ===== */

  --z-base:      1;
  --z-dropdown:  100;
  --z-sticky:    200;
  --z-overlay:   300;
  --z-modal:     400;
  --z-toast:     500;
}


/* ==========================================================================
   RESET E BASE GLOBAL
   ========================================================================== */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-body);
  font-weight: var(--font-weight-regular);
  line-height: var(--leading-loose);
  color: var(--color-white);
  background-color: var(--color-dark-900);
}

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

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

button {
  cursor: pointer;
  font-family: inherit;
}


/* ==========================================================================
   TIPOGRAFIA — CLASSES UTILITÁRIAS
   ========================================================================== */

.text-display {
  font-family: var(--font-display);
  font-size: var(--text-display);
  font-weight: var(--font-weight-bold);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tighter);
}

.text-display-italic {
  font-family: var(--font-display);
  font-size: var(--text-display);
  font-weight: var(--font-weight-bold);
  font-style: italic;
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tighter);
}

h1, .text-h1 {
  font-family: var(--font-display);
  font-size: var(--text-h1);
  font-weight: var(--font-weight-bold);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
}

h2, .text-h2 {
  font-family: var(--font-display);
  font-size: var(--text-h2);
  font-weight: var(--font-weight-medium);
  line-height: var(--leading-snug);
  letter-spacing: var(--tracking-normal);
}

h3, .text-h3 {
  font-family: var(--font-accent);
  font-size: var(--text-h3);
  font-weight: var(--font-weight-medium);
  line-height: var(--leading-snug);
  letter-spacing: 0.01em;
}

h4, .text-h4 {
  font-family: var(--font-body);
  font-size: var(--text-h4);
  font-weight: var(--font-weight-semibold);
  line-height: var(--leading-normal);
  letter-spacing: 0.02em;
}

.text-overline {
  font-family: var(--font-body);
  font-size: var(--text-overline);
  font-weight: var(--font-weight-medium);
  line-height: var(--leading-relaxed);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
}

p, .text-body {
  font-family: var(--font-body);
  font-size: var(--text-body);
  font-weight: var(--font-weight-regular);
  line-height: var(--leading-loose);
}

.text-body-sm {
  font-family: var(--font-body);
  font-size: var(--text-body-sm);
  font-weight: var(--font-weight-regular);
  line-height: var(--leading-relaxed);
}

.text-caption {
  font-family: var(--font-body);
  font-size: var(--text-caption);
  font-weight: var(--font-weight-light);
  line-height: var(--leading-relaxed);
}

/* Modificadores de cor de texto */
.text-gold          { color: var(--color-gold); }
.text-gold-light    { color: var(--color-gold-light); }
.text-blue          { color: var(--color-ocean-blue); }
.text-muted         { color: var(--color-neutral-400); }
.text-subtle        { color: var(--color-neutral-200); }
.text-white         { color: var(--color-white); }
.text-pure-white    { color: var(--color-pure-white); }


/* ==========================================================================
   BOTÕES
   ========================================================================== */

/* --------------------------------------------------------------------------
   Botão Primário — CTA de reserva (dourado)
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  border: none;
  border-radius: var(--radius-xs);
  font-family: var(--font-body);
  font-size: var(--text-overline);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  white-space: nowrap;
  transition:
    background var(--duration-normal) var(--ease-smooth),
    color var(--duration-normal) var(--ease-smooth),
    transform var(--duration-normal) var(--ease-smooth),
    box-shadow var(--duration-normal) var(--ease-smooth),
    border-color var(--duration-normal) var(--ease-smooth);
}

.btn-primary {
  padding: 16px 32px;
  background: var(--gradient-gold);
  color: var(--color-dark-900);
}

.btn-primary:hover {
  background: var(--color-gold-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-gold);
}

.btn-primary:active {
  transform: translateY(0);
}

/* --------------------------------------------------------------------------
   Botão Secundário — outline branco
   -------------------------------------------------------------------------- */
.btn-secondary {
  padding: 14px 28px;
  background: transparent;
  color: var(--color-white);
  border: 1px solid rgba(255, 255, 255, 0.25);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--color-gold);
  color: var(--color-gold);
}

/* --------------------------------------------------------------------------
   Botão Ghost — glassmorphism
   -------------------------------------------------------------------------- */
.btn-ghost {
  padding: 14px 28px;
  background: var(--glass-bg);
  color: var(--color-white);
  border: 1px solid var(--glass-border);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
}

.btn-ghost:hover {
  background: rgba(44, 90, 160, 0.3);
  border-color: rgba(197, 160, 68, 0.4);
}

/* --------------------------------------------------------------------------
   Botão Link — com seta animada e underline
   -------------------------------------------------------------------------- */
.btn-link {
  padding: var(--space-2) 0;
  background: none;
  border: none;
  color: var(--color-white);
  font-family: var(--font-body);
  font-size: var(--text-overline);
  font-weight: var(--font-weight-medium);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  position: relative;
}

.btn-link::after {
  content: ' →';
  display: inline-block;
  transition: transform var(--duration-normal) var(--ease-smooth);
}

.btn-link:hover::after {
  transform: translateX(6px);
}

.btn-link::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-gold);
  transition: width var(--duration-slow) var(--ease-smooth);
}

.btn-link:hover::before {
  width: calc(100% - 1.2em); /* Exclui a seta do underline */
}

.btn-link:hover {
  color: var(--color-gold);
}

/* --------------------------------------------------------------------------
   Tamanhos de botão
   -------------------------------------------------------------------------- */
.btn-sm  { padding: 10px 20px; font-size: 11px; }
.btn-lg  { padding: 20px 40px; font-size: 13px; }
.btn-full { width: 100%; }


/* ==========================================================================
   FORMULÁRIOS E INPUTS
   ========================================================================== */

/* --------------------------------------------------------------------------
   Input padrão (formulários de contato e reserva detalhada)
   -------------------------------------------------------------------------- */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-label {
  font-family: var(--font-body);
  font-size: var(--text-overline);
  font-weight: var(--font-weight-medium);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-neutral-400);
}

.form-input {
  width: 100%;
  padding: 14px var(--space-4);
  background: var(--color-dark-800);
  border: 1px solid var(--color-dark-700);
  border-radius: var(--radius-sm);
  color: var(--color-white);
  font-family: var(--font-body);
  font-size: var(--text-body);
  font-weight: var(--font-weight-regular);
  line-height: 1;
  transition:
    border-color var(--duration-normal) var(--ease-smooth),
    box-shadow var(--duration-normal) var(--ease-smooth);
}

.form-input::placeholder {
  color: var(--color-neutral-400);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-ocean-blue);
  box-shadow: 0 0 0 3px rgba(44, 90, 160, 0.15);
}

.form-input.is-error {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.15);
}

.form-input.is-success {
  border-color: var(--color-success);
  box-shadow: 0 0 0 3px rgba(46, 204, 113, 0.15);
}

.form-error-msg {
  font-size: var(--text-caption);
  color: var(--color-error);
  margin-top: var(--space-1);
}

/* --------------------------------------------------------------------------
   Booking Bar — barra de reserva principal (glassmorphism)
   -------------------------------------------------------------------------- */
.booking-bar {
  display: flex;
  align-items: stretch;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: var(--space-2);
  gap: 1px;
}

.booking-bar__group {
  flex: 1;
  padding: var(--space-3) var(--space-5);
  position: relative;
  border-right: 1px solid rgba(255, 255, 255, 0.06);
}

.booking-bar__group:last-of-type {
  border-right: none;
}

.booking-bar__label {
  display: block;
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: var(--font-weight-medium);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-neutral-400);
  margin-bottom: var(--space-1);
  pointer-events: none;
}

.booking-bar__input {
  width: 100%;
  background: transparent;
  border: none;
  outline: none;
  color: var(--color-white);
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: var(--font-weight-regular);
  padding: var(--space-1) 0;
  cursor: pointer;
}

.booking-bar__input::placeholder {
  color: var(--color-neutral-400);
}

.booking-bar__cta {
  flex-shrink: 0;
  align-self: center;
  margin: var(--space-1);
}


/* ==========================================================================
   CARDS
   ========================================================================== */

/* --------------------------------------------------------------------------
   Card de Acomodação — Room Card
   -------------------------------------------------------------------------- */
.card-room {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-dark-800);
  border: 1px solid var(--glass-border);
  transition:
    transform var(--duration-slow) var(--ease-smooth),
    box-shadow var(--duration-slow) var(--ease-smooth);
}

.card-room:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}

.card-room__image-wrap {
  overflow: hidden;
  aspect-ratio: 16 / 10;
}

.card-room__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-hero) var(--ease-smooth);
}

.card-room:hover .card-room__image {
  transform: scale(1.06);
}

.card-room__badge {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  padding: var(--space-1) var(--space-3);
  background: var(--gradient-gold);
  color: var(--color-dark-900);
  border-radius: var(--radius-full);
  font-size: 10px;
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}

.card-room__content {
  padding: var(--space-6);
}

.card-room__category {
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: var(--font-weight-medium);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--space-2);
}

.card-room__title {
  font-family: var(--font-display);
  font-size: var(--text-h3);
  font-weight: var(--font-weight-medium);
  color: var(--color-white);
  margin-bottom: var(--space-3);
}

.card-room__details {
  display: flex;
  gap: var(--space-4);
  color: var(--color-neutral-400);
  font-size: var(--text-body-sm);
  margin-bottom: var(--space-4);
}

.card-room__detail-item {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.card-room__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-dark-700);
}

.card-room__price {
  font-family: var(--font-body);
  font-size: 20px;
  font-weight: var(--font-weight-semibold);
  color: var(--color-gold);
}

.card-room__price-unit {
  font-size: var(--text-body-sm);
  font-weight: var(--font-weight-regular);
  color: var(--color-neutral-400);
}

/* --------------------------------------------------------------------------
   Card de Atividade / Serviço — Image Card
   -------------------------------------------------------------------------- */
.card-activity {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 3 / 4;
  cursor: pointer;
}

.card-activity__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-hero) var(--ease-smooth);
}

.card-activity:hover .card-activity__image {
  transform: scale(1.08);
}

.card-activity__overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-8) var(--space-6);
  background: linear-gradient(0deg, rgba(0, 0, 0, 0.8) 0%, transparent 100%);
}

.card-activity__category {
  font-size: 10px;
  font-weight: var(--font-weight-medium);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--space-2);
}

.card-activity__title {
  font-family: var(--font-display);
  font-size: var(--text-h3);
  color: var(--color-white);
  margin-bottom: var(--space-3);
}

/* --------------------------------------------------------------------------
   Card de Feature — destaque de benefício
   -------------------------------------------------------------------------- */
.card-feature {
  padding: var(--space-8);
  background: var(--color-dark-800);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  transition:
    border-color var(--duration-normal) var(--ease-smooth),
    background var(--duration-normal) var(--ease-smooth);
}

.card-feature:hover {
  border-color: rgba(197, 160, 68, 0.3);
  background: rgba(26, 35, 50, 0.9);
}

.card-feature__icon {
  width: 48px;
  height: 48px;
  color: var(--color-gold);
  margin-bottom: var(--space-4);
}

.card-feature__title {
  font-family: var(--font-accent);
  font-size: var(--text-h3);
  color: var(--color-white);
  margin-bottom: var(--space-3);
}

.card-feature__description {
  color: var(--color-neutral-400);
  font-size: var(--text-body-sm);
  line-height: var(--leading-relaxed);
}


/* ==========================================================================
   LAYOUT — UTILITÁRIOS
   ========================================================================== */

/* Container responsivo */
.container {
  width: 100%;
  max-width: var(--container-lg);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-6);
  padding-right: var(--space-6);
}

.container-sm { max-width: var(--container-sm); }
.container-md { max-width: var(--container-md); }
.container-xl { max-width: var(--container-xl); }

/* Seção */
.section {
  padding-top: var(--space-20);
  padding-bottom: var(--space-20);
}

.section-sm {
  padding-top: var(--space-12);
  padding-bottom: var(--space-12);
}

/* Grid */
.grid {
  display: grid;
  gap: var(--space-6);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* Flex */
.flex           { display: flex; }
.flex-center    { display: flex; align-items: center; justify-content: center; }
.flex-between   { display: flex; align-items: center; justify-content: space-between; }
.flex-col       { display: flex; flex-direction: column; }
.gap-2          { gap: var(--space-2); }
.gap-4          { gap: var(--space-4); }
.gap-6          { gap: var(--space-6); }
.gap-8          { gap: var(--space-8); }

/* Section Header — título centralizado de seção */
.section-header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.section-header__overline {
  display: block;
  font-size: var(--text-overline);
  font-weight: var(--font-weight-medium);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--space-3);
}

.section-header__title {
  font-family: var(--font-display);
  font-size: var(--text-h1);
  color: var(--color-white);
  margin-bottom: var(--space-4);
}

.section-header__subtitle {
  font-size: var(--text-body);
  color: var(--color-neutral-400);
  max-width: 560px;
  margin: 0 auto;
  line-height: var(--leading-loose);
}


/* ==========================================================================
   NAVBAR
   ========================================================================== */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  padding: var(--space-4) var(--space-8);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition:
    background var(--duration-normal) var(--ease-smooth),
    backdrop-filter var(--duration-normal) var(--ease-smooth);
}

/* Navbar scrollada */
.navbar.is-scrolled {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur-heavy);
  -webkit-backdrop-filter: var(--glass-blur-heavy);
  border-bottom: 1px solid var(--glass-border);
}

.navbar__logo img {
  height: 48px;
  width: auto;
}

.navbar__nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  list-style: none;
}

.navbar__link {
  font-size: var(--text-overline);
  font-weight: var(--font-weight-medium);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-neutral-200);
  transition: color var(--duration-fast) var(--ease-smooth);
}

.navbar__link:hover {
  color: var(--color-white);
}


/* ==========================================================================
   HERO SECTION
   ========================================================================== */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  object-fit: cover;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: var(--gradient-overlay);
  z-index: 1;
}

.hero__content {
  position: relative;
  z-index: 2;
  padding: 0 var(--space-8) var(--space-20);
  max-width: var(--container-xl);
  margin: 0 auto;
  width: 100%;
}

.hero__eyebrow {
  font-size: var(--text-overline);
  font-weight: var(--font-weight-medium);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--space-4);
}

.hero__title {
  font-family: var(--font-display);
  font-size: var(--text-display);
  font-weight: var(--font-weight-bold);
  font-style: italic;
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tighter);
  color: var(--color-pure-white);
  margin-bottom: var(--space-8);
  max-width: 700px;
}

.hero__booking-bar {
  margin-top: var(--space-10);
}


/* ==========================================================================
   ANIMAÇÕES
   ========================================================================== */

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes shimmer {
  0%   { background-position: -200% center; }
  100% { background-position: 200% center; }
}

.animate-fade-up {
  animation: fadeUp var(--duration-hero) var(--ease-smooth) both;
}

.animate-fade-up-delay-1 {
  animation: fadeUp var(--duration-hero) var(--ease-smooth) 150ms both;
}

.animate-fade-up-delay-2 {
  animation: fadeUp var(--duration-hero) var(--ease-smooth) 300ms both;
}

.animate-fade-in {
  animation: fadeIn var(--duration-hero) var(--ease-smooth) both;
}

/* Classe adicionada via JS no scroll (Intersection Observer) */
.scroll-reveal {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity var(--duration-hero) var(--ease-smooth),
    transform var(--duration-hero) var(--ease-smooth);
}

.scroll-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}


/* ==========================================================================
   UTILITÁRIOS EXTRAS
   ========================================================================== */

/* Overlay padrão para imagens */
.overlay {
  position: absolute;
  inset: 0;
  background: var(--gradient-overlay);
  pointer-events: none;
}

/* Divisor decorativo dourado */
.divider-gold {
  width: 48px;
  height: 2px;
  background: var(--gradient-gold);
  margin: var(--space-4) auto;
}

/* Badge de status */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: var(--font-weight-medium);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}

.badge-success { background: rgba(46, 204, 113, 0.15); color: var(--color-success); }
.badge-warning { background: rgba(230, 126, 34, 0.15); color: var(--color-warning); }
.badge-gold    { background: rgba(197, 160, 68, 0.15);  color: var(--color-gold); }

/* Linha de detalhes do quarto (ícone + texto) */
.detail-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-body-sm);
  color: var(--color-neutral-400);
}

/* Separador horizontal */
.separator {
  border: none;
  border-top: 1px solid var(--color-dark-700);
  margin: var(--space-6) 0;
}

/* Responsividade básica */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .container { padding-left: var(--space-4); padding-right: var(--space-4); }
  .grid-4,
  .grid-3,
  .grid-2 { grid-template-columns: 1fr; }
  .booking-bar { flex-direction: column; border-radius: var(--radius-lg); }
  .booking-bar__group { border-right: none; border-bottom: 1px solid rgba(255, 255, 255, 0.06); }
  .booking-bar__group:last-of-type { border-bottom: none; }
  .navbar { padding: var(--space-4); }
  .section { padding-top: var(--space-12); padding-bottom: var(--space-12); }
}

@media (max-width: 480px) {
  .hero__content { padding: 0 var(--space-4) var(--space-12); }
  .card-room__content { padding: var(--space-4); }
}