/* ==========================================================================
   Studio 15 — Design System v1
   Fonte da verdade visual para todas as páginas (orçamento agora, home depois).
   As três tintas vêm do logo: papel, tinta e ouro. Sem cinzas, sem beges.
   ========================================================================== */

@font-face {
  font-family: "Urbanist";
  src: url("../fonts/urbanist-normal.woff2") format("woff2");
  font-weight: 300 800;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Urbanist";
  src: url("../fonts/urbanist-italic.woff2") format("woff2");
  font-weight: 300 500;
  font-style: italic;
  font-display: swap;
}

:root {
  /* Tintas */
  --s15-paper: #ffffff;
  --s15-ink: #141210;
  --s15-ink-2: #4a433b;            /* texto secundário no papel (9:1), tingido da tinta */
  --s15-bronze: #8c5814;           /* ouro para TEXTO no papel (5.8:1) */
  --s15-gold: #e9be71;             /* ouro para texto na tinta (10:1) */
  --s15-on-ink-2: rgb(255 255 255 / 0.72);
  --s15-rule: rgb(20 18 16 / 0.14);
  --s15-rule-on-ink: rgb(255 255 255 / 0.18);
  /* Degradê do logo: só para fios, marcadores e preenchimentos finos, nunca texto */
  --s15-gold-gradient: linear-gradient(90deg, #8c5814 0%, #cf984c 20%, #f5d08a 32%, #c7924d 50%,
                        #be8440 62%, #d09342 72%, #e9be71 85%, #efc260 100%);

  /* Tipo */
  --s15-font: "Urbanist", "Avenir Next", "Century Gothic", sans-serif;
  --s15-display: clamp(2.6rem, 5.4vw, 5rem);
  --s15-h2: clamp(2rem, 3.6vw, 3.1rem);
  --s15-h3: clamp(1.35rem, 2vw, 1.7rem);
  --s15-body: 1.0625rem;
  --s15-small: 0.875rem;
  --s15-caps-tracking: 0.28em;     /* eco do arco "LAUDIENE BORGES" */

  /* Espaço: um ritmo só */
  --s15-space-1: 0.5rem;
  --s15-space-2: 1rem;
  --s15-space-3: 1.5rem;
  --s15-space-4: 2.5rem;
  --s15-space-5: 4rem;
  --s15-space-6: clamp(5rem, 10vw, 9rem);
  --s15-gutter: clamp(1.25rem, 4vw, 4rem);
  --s15-max: 82rem;

  /* Forma: controles redondos como o selo; fotos em retângulo puro */
  --s15-pill: 999px;

  /* Movimento */
  --s15-ease: cubic-bezier(0.16, 1, 0.3, 1);
  --s15-dur: 600ms;
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scrollbar-color: var(--s15-bronze) transparent;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0ms !important; animation-duration: 0ms !important; }
}

body {
  margin: 0;
  background: var(--s15-paper);
  color: var(--s15-ink);
  font: 400 var(--s15-body)/1.6 var(--s15-font);
  font-feature-settings: "tnum" 0;
  -webkit-font-smoothing: antialiased;
  caret-color: var(--s15-bronze);
}

::selection { background: var(--s15-bronze); color: var(--s15-paper); }

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

a { color: inherit; text-underline-offset: 0.22em; text-decoration-thickness: 1px; }

:focus-visible { outline: 2px solid var(--s15-bronze); outline-offset: 3px; border-radius: 2px; }
.s15-ink :focus-visible { outline-color: var(--s15-gold); }

h1, h2, h3 { margin: 0; font-weight: 300; letter-spacing: -0.02em; line-height: 1.08; text-wrap: balance; }
p { margin: 0; text-wrap: pretty; }

.s15-caps {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: var(--s15-caps-tracking);
  text-transform: uppercase;
}
.s15-num { font-variant-numeric: tabular-nums lining-nums; }

/* Superfície noturna (tinta) */
.s15-ink { background: var(--s15-ink); color: var(--s15-paper); }
.s15-ink ::selection { background: var(--s15-gold); color: var(--s15-ink); }

/* Fio dourado do logo */
.s15-rule-gold { height: 1px; border: 0; margin: 0; background: var(--s15-gold-gradient); }

/* Botões — pílula, como o anel do selo */
.s15-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.6em;
  min-height: 3.25rem; padding: 0 1.75rem;
  border: 1px solid var(--s15-ink); border-radius: var(--s15-pill);
  background: var(--s15-ink); color: var(--s15-paper);
  font: 500 0.95rem/1 var(--s15-font); letter-spacing: 0.02em; text-decoration: none;
  cursor: pointer;
  transition: background var(--s15-dur) var(--s15-ease), color var(--s15-dur) var(--s15-ease),
              box-shadow var(--s15-dur) var(--s15-ease);
}
.s15-btn:hover { background: var(--s15-bronze); border-color: var(--s15-bronze); box-shadow: 0 10px 24px -12px rgb(140 88 20 / 0.6); }
.s15-btn:active { transform: translateY(1px); }
.s15-btn[disabled] { opacity: 0.4; cursor: not-allowed; box-shadow: none; }
.s15-btn--ghost { background: transparent; color: inherit; border-color: currentColor; }
.s15-btn--ghost:hover { background: var(--s15-ink); color: var(--s15-paper); border-color: var(--s15-ink); }
.s15-ink .s15-btn { background: var(--s15-paper); color: var(--s15-ink); border-color: var(--s15-paper); }
.s15-ink .s15-btn:hover { background: var(--s15-gold); border-color: var(--s15-gold); }
.s15-btn svg { width: 1.1em; height: 1.1em; }

/* Campos */
.s15-field { display: grid; gap: 0.4rem; }
.s15-field label { font-size: var(--s15-small); color: var(--s15-ink-2); }
.s15-input {
  min-height: 3.25rem; padding: 0 1.25rem;
  border: 1px solid rgb(20 18 16 / 0.45); border-radius: var(--s15-pill);  /* ≥3:1 contorno de campo */
  background: var(--s15-paper); color: var(--s15-ink);
  font: 400 1rem var(--s15-font);
  accent-color: var(--s15-bronze);
  transition: border-color var(--s15-dur) var(--s15-ease);
}
.s15-input:hover { border-color: var(--s15-ink-2); }
.s15-input:focus-visible { border-color: var(--s15-bronze); outline-offset: 2px; }
.s15-input[aria-invalid="true"] { border-color: #a3341f; }
.s15-error { color: #a3341f; font-size: var(--s15-small); min-height: 1.3em; }

/* Ícones: traço 1.25, mesma família */
.s15-icon { width: 1.5rem; height: 1.5rem; fill: none; stroke: currentColor; stroke-width: 1.25; stroke-linecap: round; stroke-linejoin: round; flex-shrink: 0; }

.s15-wrap { max-width: var(--s15-max); margin-inline: auto; padding-inline: var(--s15-gutter); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }