/* ==========================================================================
   Studio Onesta — brand tokens + base components
   Light-only · high-contrast · spacious · balanced geometry · expressive motion
   Palette is taken verbatim from the client's supplied swatch sheet.
   Import into any page:  @import url("brand.css");
   ========================================================================== */

/* Body/UI: Jost — a geometric sans with the same balanced, circular
   construction as the Onesta mark. Display: Cormorant Garamond for the
   quiet, crafted register the studio writes in. Both degrade to system
   stacks so this file still renders with no network. */
@import url("https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;1,300;1,400&family=Jost:wght@300;400;500;600&display=swap");

:root {
  /* ---- Core palette (source swatches, unaltered) ---------------------- */
  --color-spring-wood: #F8F6F1; /* page ground        */
  --color-westar:      #E6E4DF; /* secondary surface  */
  --color-champagne:   #FBE2CF; /* warm accent field  */
  --color-limed-oak:   #A57C51; /* light bronze       */
  --color-spicy-mix:   #87603E; /* deep bronze        */
  --color-ship-gray:   #37333C; /* ink                */
  --color-white:       #FFFFFF;

  /* ---- Semantic roles ------------------------------------------------- */
  --color-bg:           var(--color-spring-wood);
  --color-surface:      var(--color-white);
  --color-surface-alt:  var(--color-westar);
  --color-surface-warm: var(--color-champagne);
  --color-ink:          var(--color-ship-gray);
  --color-muted:        #6C6672; /* ink @ ~62% on Spring Wood — 5.9:1 AA  */
  --color-line:         #DAD6CF;
  --color-line-strong:  #BFB9B0;

  --color-primary:        var(--color-spicy-mix);   /* AA at body size    */
  --color-primary-hover:  #6E4E32;
  --color-accent:         var(--color-limed-oak);   /* LARGE text / decor */
  --color-on-primary:     var(--color-white);
  --color-focus:          var(--color-spicy-mix);

  /* ---- Type ----------------------------------------------------------- */
  --font-display: "Cormorant Garamond", "Iowan Old Style", Palatino, Georgia, serif;
  --font-body: "Jost", ui-sans-serif, "Avenir Next", "Segoe UI", system-ui, sans-serif;
  --font-mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;

  /* Scale mirrors the sizes measured on the reference: 12/16/20/24/28/35/38/42 */
  --text-xs:   0.75rem;   /* 12 — eyebrow / caption      */
  --text-sm:   0.875rem;  /* 14 — meta                   */
  --text-base: 1rem;      /* 16 — body                   */
  --text-md:   1.25rem;   /* 20 — lead                   */
  --text-lg:   1.5rem;    /* 24 — h4                     */
  --text-xl:   1.75rem;   /* 28 — h3                     */
  --text-2xl:  2.1875rem; /* 35 — h2                     */
  --text-3xl:  2.625rem;  /* 42 — h1                     */
  --text-4xl:  clamp(2.625rem, 6vw, 4.5rem); /* display  */

  --leading-tight: 1.08;
  --leading-snug:  1.25;
  --leading-body:  1.65;
  --tracking-wide:  0.16em;  /* nav + eyebrows            */
  --tracking-wider: 0.28em;  /* wordmark                  */
  --tracking-tight: -0.015em;

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

  /* ---- Space (spacious: 30px vertical rhythm) ------------------------- */
  --space-1: 0.375rem;
  --space-2: 0.625rem;
  --space-3: 0.9375rem; /* 15 */
  --space-4: 1.5rem;
  --space-5: 1.875rem;  /* 30 — the base beat */
  --space-6: 2.8125rem;
  --space-7: 3.75rem;
  --space-8: 5.625rem;
  --space-9: 7.5rem;
  --section-y: clamp(3.75rem, 9vw, 7.5rem);
  --gutter: clamp(1.25rem, 5vw, 3.75rem);
  --measure: 62ch;
  --maxw: 1240px;

  /* ---- Geometry (balanced: ~10px) ------------------------------------- */
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 16px;
  --radius-pill: 999px;

  /* ---- Elevation — light, warm-tinted, never heavy --------------------- */
  --shadow-sm: 0 1px 2px rgba(55, 51, 60, .05);
  --shadow: 0 6px 20px -8px rgba(55, 51, 60, .16);
  --shadow-lg: 0 24px 60px -24px rgba(55, 51, 60, .26);

  /* ---- Motion (expressive) -------------------------------------------- */
  --ease-out: cubic-bezier(.5, 0, 0, 1);       /* the reference's signature */
  --ease-in-out: cubic-bezier(.77, 0, .175, 1);
  --dur-fast: .3s;
  --dur: .6s;
  --dur-slow: 1s;
}

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

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

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: var(--weight-light);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  margin: 0 0 var(--space-4);
}
h1 { font-size: var(--text-3xl); }
h2 { font-size: var(--text-2xl); }
h3 { font-size: var(--text-xl); font-family: var(--font-body); font-weight: var(--weight-regular); letter-spacing: 0; }
h4 { font-size: var(--text-lg); font-family: var(--font-body); font-weight: var(--weight-medium); letter-spacing: 0; }
p { margin: 0 0 var(--space-4); max-width: var(--measure); }
a { color: var(--color-primary); text-underline-offset: .22em; }

.eyebrow {
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-primary);
  margin: 0 0 var(--space-3);
}
.lead { font-size: var(--text-md); line-height: 1.5; color: var(--color-ink); }
.muted { color: var(--color-muted); }

:where(a, button, input, textarea, select, [tabindex]):focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* ==========================================================================
   Wordmark + mark
   ========================================================================== */
.onesta-logo { display: inline-flex; align-items: center; gap: var(--space-3); text-decoration: none; color: inherit; }
.onesta-logo__mark { display: block; width: auto; height: 2.75rem; }
.onesta-logo__type {
  font-family: var(--font-body);
  font-weight: var(--weight-regular);
  font-size: var(--text-md);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  line-height: 1;
  color: var(--color-ink);
}
.onesta-logo__type small {
  display: block;
  font-size: .5em;
  letter-spacing: var(--tracking-wide);
  color: var(--color-muted);
  margin-top: .55em;
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  --_bg: var(--color-primary);
  --_fg: var(--color-on-primary);
  --_bd: var(--color-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .6em;
  padding: .85em 1.9em;
  border: 1px solid var(--_bd);
  border-radius: var(--radius-pill);
  background: var(--_bg);
  color: var(--_fg);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease-out),
              color var(--dur-fast) var(--ease-out),
              border-color var(--dur-fast) var(--ease-out),
              transform var(--dur-fast) var(--ease-out);
}
.btn:hover { background: var(--color-primary-hover); border-color: var(--color-primary-hover); transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--ghost { --_bg: transparent; --_fg: var(--color-ink); --_bd: var(--color-line-strong); }
.btn--ghost:hover { --_fg: var(--color-on-primary); background: var(--color-ink); border-color: var(--color-ink); }

.btn--quiet {
  --_bg: transparent; --_fg: var(--color-primary); --_bd: transparent;
  padding-inline: 0; border-radius: 0;
}
.btn--quiet:hover { transform: none; background: transparent; color: var(--color-primary-hover); }

/* Underline that wipes in from the left — the reference's .has-underline */
.link-underline { position: relative; text-decoration: none; color: var(--color-ink); }
.link-underline::after {
  content: "";
  position: absolute;
  left: 0; bottom: -.24em;
  width: 100%; height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--dur-fast) var(--ease-out);
}
.link-underline:hover::after, .link-underline[aria-current="page"]::after { transform: scaleX(1); }

/* ==========================================================================
   Nav
   ========================================================================== */
.nav { display: flex; flex-wrap: wrap; gap: var(--space-5); align-items: center; }
.nav__link {
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-ink);
  text-decoration: none;
}

/* ==========================================================================
   Card
   ========================================================================== */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: var(--space-5);
  box-shadow: var(--shadow-sm);
  transition: transform var(--dur-fast) var(--ease-out),
              box-shadow var(--dur-fast) var(--ease-out),
              border-color var(--dur-fast) var(--ease-out);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--color-line-strong); }
.card__title { font-size: var(--text-lg); font-weight: var(--weight-medium); margin: 0 0 var(--space-2); }
.card__body { margin: 0; color: var(--color-muted); font-size: var(--text-sm); line-height: 1.6; }
.card--warm { background: var(--color-surface-warm); border-color: transparent; }

/* ==========================================================================
   Form
   ========================================================================== */
.field { display: flex; flex-direction: column; gap: var(--space-2); margin-bottom: var(--space-4); }
.label {
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-muted);
}
.input, .textarea, .select {
  width: 100%;
  padding: .85em 1em;
  border: 1px solid var(--color-line-strong);
  border-radius: var(--radius);
  background: var(--color-surface);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--weight-light);
  transition: border-color var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);
}
.input::placeholder, .textarea::placeholder { color: #9A939C; }
.input:focus, .textarea:focus, .select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(135, 96, 62, .16);
}
.textarea { min-height: 8rem; resize: vertical; }

/* ==========================================================================
   Layout helpers
   ========================================================================== */
.wrap { max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }
.section { padding-block: var(--section-y); }
.rule { border: 0; border-top: 1px solid var(--color-line); margin: 0; }
.stack > * + * { margin-top: var(--space-5); }

/* ==========================================================================
   Motion — expressive, reproduced with plain CSS/IO (no GSAP)
   ========================================================================== */
@keyframes onesta-rise { from { opacity: 0; transform: translateY(28px); } to { opacity: 1; transform: none; } }
@keyframes onesta-spin { to { transform: rotate(360deg); } }

.reveal { opacity: 0; transform: translateY(28px); transition: opacity var(--dur) var(--ease-out), transform var(--dur) var(--ease-out); }
.reveal.is-in { opacity: 1; transform: none; }
.reveal--d1 { transition-delay: .08s; }
.reveal--d2 { transition-delay: .16s; }
.reveal--d3 { transition-delay: .24s; }

.spin-slow { animation: onesta-spin 26s linear infinite; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
}