/* ======================================================
   Quadea Brand 
   ====================================================== */

/* ---------- Brand tokens (LIGHT) ---------- */
:root {
  --darkBlue: #0D1B2A;
  --secondaryBlue: #1B263B;
  --accentBlue: #415A77;
  --darkPurple: #2B1B3D;
  --white: #FFFFFF;      /* surfaces */
  --black: #000000;      /* text */
  --darkGray: #7A7A7A;

  --radius: 0.75rem;
  --radius-small: 0.5rem;
  --shadow: 0 4px 16px rgba(0,0,0,.08);
  --border: #E5E7EB;
}

/* ---------- Base ---------- */
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: Helvetica, Arial, sans-serif;
  color: var(--white);
  background: #000000;
  line-height: 1.4;
}

/* ---------- Global Link Styles ---------- */
a {
  color: var(--accentBlue);
  text-decoration: underline;
  transition: color 0.2s ease, opacity 0.2s ease;
}
a:hover { color: var(--darkPurple); }
a:visited { color: var(--secondaryBlue); }
a:active { color: var(--darkBlue); }

/* ---------- Utilities ---------- */
.container { max-width: 72rem; margin: 0 auto; padding: 0 1.5rem; }
.grid { display: grid; gap: 2rem; }
.grid--thirds { grid-template-columns: repeat(1, 1fr); }
@media (min-width: 768px) {
  .grid { grid-template-columns: repeat(2, 1fr); }
  .grid--thirds { grid-template-columns: repeat(3, 1fr); }
}
.stack > * + * { margin-top: 0.75rem; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace; }
.semibold { font-weight: 600; }
.small { font-size: 0.875rem; }
.muted { opacity: 0.8; }

/* text color helpers */
.color-darkBlue { color: var(--darkBlue); }
.color-secondaryBlue { color: var(--secondaryBlue); }
.color-accentBlue { color: var(--accentBlue); }
.color-darkPurple { color: var(--darkPurple); }

/* ---------- Header ---------- */
.header {
  background: #000000;
  color: var(--white);
  box-shadow: var(--shadow);
}
.header__wrap {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.25rem 2rem;
}
.header__brand { margin: 0; font-size: 2rem; font-weight: 550; }
.header__nav a {
  color: var(--white); text-decoration: none; margin-left: 1rem; opacity: .9;
}
.header__nav a:hover { opacity: 1; color: var(--accentBlue); }
@media (max-width: 480px) {
  .header__brand { font-size: 1.375rem; }
}

/* ---------- Hero ---------- */
.hero {
  background: #000000;
  color: var(--white);
  text-align: center;
  padding: 4rem 0;
}
.hero__wrap { max-width: 48rem; }
.hero h2 { font-size: clamp(1.75rem, 2vw + 1.25rem, 2.5rem); margin: 0 0 1rem; letter-spacing: 0.01em; }
.hero p { margin: 0 auto 2rem; opacity: .9; }

/* ---------- Buttons ---------- */
.btn {
  border: 1px solid transparent;
  padding: 0.75rem 1.25rem;
  font-weight: 600;
  font-size: 1rem;
  line-height: 1.25rem;
  cursor: pointer;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: opacity .15s ease, background .15s ease, color .15s ease, border-color .15s ease;
}
.btn--primary { background: var(--accentBlue); color: var(--white); }
.btn--primary:hover { opacity: .9; }
.btn--secondary { background: var(--white); color: var(--darkBlue); border: 1px solid var(--accentBlue); }
.btn--secondary:hover { opacity: .9; }
.btn--accent { background: var(--accentBlue); color: var(--white); border: 1px solid var(--accentBlue); }
.btn--sm { font-size: 0.875rem; padding: 0.5rem 0.9rem; }
.btn--lg { font-size: 1.125rem; padding: 1rem 1.5rem; }

/* ---------- Sections ---------- */
.section { padding: 3.5rem 0; }
.section--light { background: var(--white); color: var(--black); }
.section--swatches { background: #f8fafc; }
.section__title { font-size: 1.5rem; margin: 0 0 1.5rem; }

/* ---------- Cards / Panels ---------- */
.card {
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  padding: 1.5rem;
  border-radius: var(--radius);
  background: var(--white);
}
.card--wide { grid-column: 1 / -1; }
.card__title { font-size: 1.5rem; margin: 0 0 .75rem; }

.panel { padding: 1rem; border-radius: var(--radius); }
.panel--row { display: flex; align-items: center; justify-content: space-between; }
.panel--whiteText { color: var(--white); }
.panel--darkBlue { background: var(--darkBlue); color: var(--white); }
.panel--secondaryBlue { background: var(--secondaryBlue); color: var(--white); }
.panel--accentBlue { background: var(--accentBlue); color: var(--white); }
.panel--darkPurple { background: var(--darkPurple); color: var(--white); }

.badge {
  display: inline-block;
  padding: .25rem .5rem;
  font-size: .875rem;
  border-radius: var(--radius-small);
  background: #e5e7eb;
  color: var(--black);
}
.badge--accent { background: var(--accentBlue); color: var(--white); }

/* ---------- Form elements ---------- */
.form-grid { display: grid; gap: 1rem; grid-template-columns: 1fr; }
@media (min-width: 768px) { .form-grid { grid-template-columns: repeat(3, 1fr); } }
.field { display: block; }
.label { display: block; font-size: .9rem; color: var(--darkGray); margin-bottom: .25rem; }
input[type="text"] {
  width: 100%; border: 1px solid var(--darkGray); padding: .75rem 1rem;
  border-radius: var(--radius); color: var(--black); outline: none; background: var(--white);
}
input[disabled] { background: #f3f4f6; color: var(--darkGray); }
.select {
  border: 1px solid var(--darkGray);
  padding: .75rem 1rem;
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: space-between;
  color: var(--black);
}

/* ---------- Progress ---------- */
.progress {
  height: .75rem;
  background: #e5e7eb;
  border-radius: 999px;
  overflow: hidden;
}
.progress__bar {
  height: 100%;
  background: var(--accentBlue);
  border-radius: 999px;
}

/* ---------- Swatches ---------- */
.swatches { display: grid; gap: 1rem; grid-template-columns: repeat(2, 1fr); }
@media (min-width: 768px) { .swatches { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1024px) { .swatches { grid-template-columns: repeat(7, 1fr); } }

.swatch {
  border: 1px solid var(--border);
  background: var(--white);
  box-shadow: var(--shadow);
  border-radius: var(--radius);
  overflow: hidden;
}
.swatch__chip { height: 6rem; }
.swatch__meta { padding: .75rem; }
.swatch__name { font-weight: 600; text-transform: capitalize; }
.swatch__hex { font-size: .8rem; opacity: .8; }

/* ---------- Footer ---------- */
.footer {
  background: var(--black);
  color: var(--white);
  text-align: center;
  padding: 2rem 1rem;
}

/* ======================================================
   DARK MODE — neutrals only (same brand colors)
   Triggered by: <html data-theme="dark">
   ====================================================== */
html[data-theme="dark"] {
  --white: #0b0f19;     /* background surfaces */
  --black: #f5f7fa;     /* text */
  --border: #374151;    /* separators */
  --darkGray: #9CA3AF;  /* muted labels, inputs */
  --shadow: 0 6px 24px rgba(0,0,0,.6);
}

/* Adjust fixed-light sections */
html[data-theme="dark"] .section--swatches { background: #111827; }

/* Inputs & selects */
html[data-theme="dark"] input[type="text"] {
  background: #1f2937;
  color: var(--black);
  border-color: var(--border);
}
html[data-theme="dark"] input[disabled] {
  background: #374151;
  color: var(--darkGray);
}
html[data-theme="dark"] .select {
  background: #1f2937;
  border-color: var(--border);
  color: var(--black);
}

/* Cards / panels */
html[data-theme="dark"] .card,
html[data-theme="dark"] .panel,
html[data-theme="dark"] .hero,
html[data-theme="dark"] .footer {
  background: var(--white);
  color: var(--black);
  border-color: var(--border);
}

/* Badges */
html[data-theme="dark"] .badge {
  background: var(--accentBlue);
  color: #fff;
}

/* Progress */
html[data-theme="dark"] .progress { background: var(--border); }
html[data-theme="dark"] .progress__bar { background: var(--accentBlue); }


/* ---------- Optional: Hard-edges mode ---------- */

:root {
  --radius: 0;
  --radius-small: 0;
}
.progress, .progress__bar, .badge,
.card, .panel, .btn, input[type="text"], .select,
.swatch { border-radius: 0 !important; }