/* =============================================================================
   main.css — Sistema de design base
   Paleta derivada da cor primária #457183 — hsl(197, 31%, 39%).
   ============================================================================= */

:root {
  /* ---------------------------------------------------------------------------
     1. Escala cromática — matiz 197 da primária, luminosidade escalonada
     -------------------------------------------------------------------------- */
  --brand-900: #14242a;
  --brand-800: #26454f;
  --brand-700: #457183; /* primária oficial da marca */
  --brand-600: #5d8695;
  --brand-500: #7fa3b0;
  --brand-100: rgba(69, 113, 131, 0.08);

  /* Neutros: off-white levemente frio, para assentar sob a primária.
     Os nomes `cream`/`brass` são mantidos porque estão referenciados em todo
     o CSS; o que mudou foi o tom, não o papel de cada token. */
  --cream-050: #fbfcfd;
  --cream-100: #f1f6f8;
  --cream-200: #e6eef1;
  --cream-300: #d4e1e6;
  --cream-400: #b9cbd3;

  --brass-600: #8d6f42;
  --brass-500: #a98a58;
  --brass-400: #c4a87a;

  --ink-900: #111a1d;
  --ink-700: #2b3a40;
  --ink-500: #55686f;
  --ink-300: #8497a0;

  /* ---------------------------------------------------------------------------
     2. Tokens semânticos
     -------------------------------------------------------------------------- */
  --color-bg: var(--cream-050);
  --color-surface: var(--cream-100);
  --color-surface-alt: var(--cream-200);
  --color-deep: var(--brand-700);
  --color-deep-dark: var(--brand-800);
  --color-accent: var(--brass-500);
  --color-text: var(--ink-900);
  --color-text-muted: var(--ink-500);
  --color-text-faint: var(--ink-300);
  --color-on-deep: rgba(241, 246, 248, 0.9);
  --color-on-deep-faint: rgba(241, 246, 248, 0.5);

  --color-line: rgba(69, 113, 131, 0.18);
  --color-line-soft: rgba(17, 26, 29, 0.1);
  --color-line-on-deep: rgba(230, 238, 241, 0.22);

  --color-scrim: linear-gradient(
    to bottom,
    rgba(10, 21, 25, 0.68) 0%,
    rgba(10, 21, 25, 0.6) 34%,
    rgba(10, 21, 25, 0.66) 72%,
    rgba(10, 21, 25, 0.82) 100%
  );

  /* Aliases legados — mantêm compatibilidade com regras antigas */
  --color-blue: var(--color-deep);
  --color-gold: var(--color-accent);
  --color-white: #ffffff;
  --color-dark: var(--ink-900);
  --color-hero-bg: var(--brand-900);
  --color-muted: var(--color-text-muted);
  --color-subtle: var(--color-text-muted);
  --color-placeholder: var(--cream-200);
  --color-overlay: rgba(10, 21, 25, 0.42);
  --color-border-light: var(--color-line);
  --color-border-ui: var(--color-line-soft);

  /* ---------------------------------------------------------------------------
     3. Tipografia
     -------------------------------------------------------------------------- */
  --font-display: "Cormorant Garamond", "Iowan Old Style", Georgia,
    "Times New Roman", serif;
  --font-body: "Jost", "DM Sans", -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  --font-nav: var(--font-body);
  --font-heading: var(--font-display);

  --fs-eyebrow: 0.68rem;
  --fs-micro: 0.72rem;
  --fs-small: 0.84rem;
  --fs-body: clamp(0.95rem, 0.9rem + 0.2vw, 1.03rem);
  --fs-lead: clamp(1.02rem, 0.95rem + 0.35vw, 1.2rem);
  --fs-h3: clamp(1.35rem, 1.1rem + 1vw, 1.9rem);
  --fs-h2: clamp(1.9rem, 1.3rem + 2.4vw, 3.4rem);
  --fs-h1: clamp(2.5rem, 1.4rem + 4.4vw, 5.4rem);
  --fs-display: clamp(3rem, 1.4rem + 6vw, 7rem);

  --tracking-wide: 0.14em;
  --tracking-wider: 0.24em;
  --tracking-widest: 0.36em;

  /* ---------------------------------------------------------------------------
     4. Espaçamento e ritmo
     -------------------------------------------------------------------------- */
  --space-section: clamp(4.5rem, 9vw, 10rem);
  --space-gutter: clamp(1.25rem, 5vw, 4rem);
  --max-width: 1360px;
  --max-width-narrow: 940px;
  --max-text: 46ch;

  /* ---------------------------------------------------------------------------
     5. Movimento e profundidade
     -------------------------------------------------------------------------- */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --transition-base: 0.4s var(--ease-out);
  --transition-slow: 0.7s var(--ease-out);

  --shadow-soft: 0 1px 2px rgba(17, 26, 29, 0.04),
    0 12px 40px -18px rgba(20, 36, 42, 0.28);
  --shadow-lift: 0 2px 6px rgba(17, 26, 29, 0.05),
    0 28px 60px -28px rgba(20, 36, 42, 0.4);

  --z-navbar: 100;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  font-weight: 300;
  line-height: 1.75;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

button {
  font: inherit;
  color: inherit;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  font-weight: 300;
  line-height: 1.12;
  letter-spacing: 0.005em;
  color: var(--color-text);
}

::selection {
  background: var(--color-deep);
  color: var(--cream-100);
}

:focus-visible {
  outline: 1px solid var(--color-deep);
  outline-offset: 3px;
}

/* =============================================================================
   Primitivas de layout
   ============================================================================= */
.u-container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-gutter);
}

.u-container--narrow {
  max-width: var(--max-width-narrow);
}

.u-section {
  padding-block: var(--space-section);
}

.u-visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

/* =============================================================================
   Cabeçalho de seção — sobrescrita editorial
   ============================================================================= */
.section-head {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  font-family: var(--font-body);
  font-size: var(--fs-eyebrow);
  font-weight: 400;
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-deep);
}

.eyebrow::before {
  content: "";
  width: clamp(1.75rem, 4vw, 3.25rem);
  height: 1px;
  background: currentColor;
  opacity: 0.55;
}

.eyebrow--index::before {
  display: none;
}

.eyebrow__num {
  font-variant-numeric: tabular-nums;
  color: var(--color-accent);
}

.eyebrow__num::after {
  content: "";
  display: inline-block;
  width: clamp(1.5rem, 3vw, 2.75rem);
  height: 1px;
  margin-inline: 0.75rem 0.15rem;
  vertical-align: middle;
  background: currentColor;
  opacity: 0.6;
}

.eyebrow--light,
.eyebrow--light .eyebrow__num {
  color: var(--color-on-deep-faint);
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  font-weight: 300;
  line-height: 1.08;
  letter-spacing: -0.005em;
  max-width: 18ch;
  text-wrap: balance;
}

.section-title em {
  font-style: italic;
  color: var(--color-deep);
}

.section-lead {
  font-size: var(--fs-lead);
  font-weight: 300;
  line-height: 1.85;
  color: var(--color-text-muted);
  max-width: var(--max-text);
}

/* Ornamento — divisor com o símbolo da marca */
.ornament {
  display: flex;
  align-items: center;
  gap: 1rem;
  color: var(--color-line);
}

.ornament::before,
.ornament::after {
  content: "";
  flex: 1;
  height: 1px;
  background: currentColor;
}

.ornament__mark {
  width: 26px;
  height: 26px;
  color: var(--color-accent);
  flex-shrink: 0;
}

/* =============================================================================
   Botões
   ============================================================================= */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  isolation: isolate;
  overflow: hidden;
  padding: 1.05rem 2.5rem;
  border: 1px solid var(--color-deep);
  background: transparent;
  color: var(--color-deep);
  font-family: var(--font-body);
  font-size: var(--fs-micro);
  font-weight: 400;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  text-align: center;
  cursor: pointer;
  transition: color var(--transition-base), border-color var(--transition-base);
}

.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: var(--color-deep);
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform 0.5s var(--ease-out);
}

.btn:hover::before,
.btn:focus-visible::before {
  transform: scaleY(1);
  transform-origin: top;
}

.btn:hover,
.btn:focus-visible {
  color: var(--cream-100);
}

/* Variante sólida */
.btn--solid {
  background: var(--color-deep);
  color: var(--cream-100);
}

.btn--solid::before {
  background: var(--brand-900);
}

.btn--solid:hover,
.btn--solid:focus-visible {
  color: var(--cream-100);
}

/* Variante sobre fundo escuro / imagem */
.btn--light {
  border-color: rgba(241, 246, 248, 0.55);
  color: var(--cream-100);
}

.btn--light::before {
  background: var(--cream-100);
}

.btn--light:hover,
.btn--light:focus-visible {
  border-color: var(--cream-100);
  color: var(--brand-800);
}

/* Variante compacta */
.btn--sm {
  padding: 0.8rem 1.85rem;
  font-size: 0.68rem;
}

/* Link com seta — sem caixa */
.btn-link {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding-bottom: 0.45rem;
  border-bottom: 1px solid var(--color-line);
  font-family: var(--font-body);
  font-size: var(--fs-micro);
  font-weight: 400;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-deep);
  transition: gap var(--transition-base), color var(--transition-base),
    border-color var(--transition-base);
}

.btn-link svg {
  flex-shrink: 0;
  transition: transform var(--transition-base);
}

.btn-link:hover {
  gap: 1.15rem;
  color: var(--brand-900);
  border-bottom-color: var(--color-accent);
}

.btn-link:hover svg {
  transform: translateX(4px);
}

.btn-link--light {
  color: var(--color-on-deep);
  border-bottom-color: var(--color-line-on-deep);
}

.btn-link--light:hover {
  color: var(--cream-100);
  border-bottom-color: var(--color-accent);
}

/* =============================================================================
   Mídia — moldura editorial
   ============================================================================= */
.media-frame {
  position: relative;
  overflow: hidden;
  background: var(--cream-200);
}

.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.2s var(--ease-out);
}

.media-frame--zoom:hover img {
  transform: scale(1.045);
}

/* =============================================================================
   Revelação ao rolar
   ============================================================================= */
.has-reveal [data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.9s var(--ease-out), transform 1s var(--ease-out);
  transition-delay: var(--reveal-delay, 0ms);
}

[data-reveal].is-revealed {
  opacity: 1;
  transform: none;
}

.has-reveal [data-reveal="mask"] {
  opacity: 1;
  transform: none;
  clip-path: inset(0 0 100% 0);
  transition: clip-path 1.2s var(--ease-out);
  transition-delay: var(--reveal-delay, 0ms);
}

[data-reveal="mask"].is-revealed {
  clip-path: inset(0 0 0 0);
}

@keyframes reveal-safety {
  to {
    opacity: 1;
    transform: none;
    clip-path: inset(0 0 0 0);
  }
}

.has-reveal [data-reveal]:not(.is-revealed) {
  animation: reveal-safety 0.6s 4s both;
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

  [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
    clip-path: none !important;
  }
}

/* =============================================================================
   Barra de rolagem
   ============================================================================= */
@supports (scrollbar-color: red blue) {
  html {
    scrollbar-color: var(--cream-400) var(--cream-100);
    scrollbar-width: thin;
  }
}