/* ============================================================
 * PROA · App · Shared styles
 * Tokens, type, reset, primitivos (button, input, card, pill)
 * ============================================================ */

@font-face {
  font-family: 'Playfair Display';
  src: url('../fonts/PlayfairDisplay-VariableFont_wght.ttf') format('truetype-variations'),
       url('../fonts/PlayfairDisplay-VariableFont_wght.ttf') format('truetype');
  font-weight: 400 900;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'DM Sans';
  src: url('../fonts/DMSans-VariableFont_opsz_wght.ttf') format('truetype-variations'),
       url('../fonts/DMSans-VariableFont_opsz_wght.ttf') format('truetype');
  font-weight: 100 1000;
  font-style: normal;
  font-display: swap;
}

@import url('https://fonts.googleapis.com/css2?family=DM+Mono:wght@300;400;500&display=swap');

:root {
  --proa-navy: #0B2639;
  --proa-navy-2: #163D55;
  --proa-navy-press: #08202F;
  --proa-teal: #ABCAC4;
  --proa-teal-2: #BCD3CD;
  --proa-slate: #2D5667;
  --proa-off: #ECECEC;
  --proa-grey: #888A8D;
  --proa-white: #FFFFFF;
  --proa-page-bg: #F0F2F5;

  --on-navy-1: rgba(255,255,255,1);
  --on-navy-2: rgba(255,255,255,0.75);
  --on-navy-3: rgba(255,255,255,0.45);
  --on-navy-4: rgba(255,255,255,0.25);
  --on-navy-5: rgba(255,255,255,0.2);
  --border-on-navy: rgba(255,255,255,0.18);

  --fg-1: #0B2639;
  --fg-2: #444;
  --fg-3: #666;
  --fg-4: #888A8D;
  --fg-5: #BBB;

  --border-1: #DDD;
  --border-2: #EEE;

  --danger: #B42828;
  --danger-bg: #FBEAEA;
  --success: #1A6B3A;
  --success-bg: #E8F1EB;
  --warn: #8A5A00;
  --warn-bg: #FBF1DA;

  --f-display: 'Playfair Display', Georgia, serif;
  --f-body: 'DM Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --f-mono: 'DM Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  --ease: cubic-bezier(0.2, 0, 0, 1);
}

/* Reset minimalista */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--f-body);
  color: var(--fg-2);
  background: var(--proa-page-bg);
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
input, textarea, select { font-family: inherit; font-size: inherit; color: inherit; }
img, svg, video { display: block; max-width: 100%; }

/* ============================================================
 * Logo (SVG)
 * ============================================================ */
.proa-symbol { display: inline-block; }
.proa-wordmark {
  font-family: var(--f-display);
  font-weight: 500;
  letter-spacing: 0.22em;
  line-height: 1;
}
.proa-lockup {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

/* ============================================================
 * Type primitives
 * ============================================================ */
.eyebrow {
  font-family: var(--f-body);
  font-weight: 600;
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg-4);
}
.eyebrow-teal { color: var(--proa-teal); }
.eyebrow-on-dark { color: var(--on-navy-3); }

.h1-display {
  font-family: var(--f-display);
  font-weight: 500;
  font-size: 40px;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--proa-navy);
  margin: 0;
}
.h2-display {
  font-family: var(--f-display);
  font-weight: 500;
  font-size: 26px;
  line-height: 1.1;
  letter-spacing: -0.015em;
  color: var(--proa-navy);
  margin: 0;
}
.h3-display {
  font-family: var(--f-display);
  font-weight: 500;
  font-size: 18px;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--proa-navy);
  margin: 0;
}
.mono {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--fg-4);
}

/* ============================================================
 * Buttons
 * ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  font-family: var(--f-body);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.01em;
  border: 1px solid transparent;
  border-radius: 2px;
  cursor: pointer;
  background: transparent;
  color: var(--proa-navy);
  transition: background 150ms var(--ease), color 150ms var(--ease),
              border-color 150ms var(--ease), transform 80ms var(--ease);
  text-decoration: none;
  user-select: none;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--proa-navy);
  color: var(--proa-white);
}
.btn-primary:hover { background: var(--proa-navy-2); }
.btn-primary:active { background: var(--proa-navy-press); }

.btn-teal {
  background: var(--proa-teal);
  color: var(--proa-navy);
}
.btn-teal:hover { background: var(--proa-teal-2); }

.btn-ghost {
  background: transparent;
  color: var(--proa-navy);
  border-color: var(--border-1);
}
.btn-ghost:hover { border-color: var(--proa-navy); }

.btn-ghost-dark {
  background: transparent;
  color: var(--on-navy-1);
  border-color: var(--border-on-navy);
}
.btn-ghost-dark:hover { border-color: var(--on-navy-1); }

.btn-block { width: 100%; }
.btn-lg { padding: 14px 26px; font-size: 15px; }
.btn-sm { padding: 8px 14px; font-size: 12px; }

.btn[disabled], .btn.is-loading {
  opacity: 0.55;
  cursor: not-allowed;
  pointer-events: none;
}

/* Social buttons (Google / Apple) */
.btn-social {
  background: var(--proa-white);
  color: var(--proa-navy);
  border-color: var(--border-1);
  padding: 11px 18px;
}
.btn-social:hover { border-color: var(--proa-navy); }
.btn-social svg { width: 18px; height: 18px; }

/* ============================================================
 * Inputs
 * ============================================================ */
.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.field-label {
  font-family: var(--f-body);
  font-weight: 600;
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg-4);
}
.input, .select, .textarea {
  background: var(--proa-white);
  border: 1px solid var(--border-1);
  border-radius: 2px;
  padding: 12px 14px;
  font-family: var(--f-body);
  font-size: 14px;
  color: var(--proa-navy);
  outline: none;
  transition: border-color 150ms var(--ease), background 150ms var(--ease);
  width: 100%;
}
.input:focus, .select:focus, .textarea:focus {
  border-color: var(--proa-navy);
}
.input::placeholder { color: var(--fg-5); }
.field-help {
  font-size: 11px;
  color: var(--fg-4);
  line-height: 1.5;
}
.field-error {
  font-size: 11px;
  color: var(--danger);
  line-height: 1.5;
}
.field.has-error .input,
.field.has-error .select { border-color: var(--danger); }

/* Input with adornment */
.input-wrap { position: relative; }
.input-wrap .input { padding-right: 42px; }
.input-wrap .input-action {
  position: absolute;
  right: 6px; top: 50%;
  transform: translateY(-50%);
  background: transparent;
  border: none;
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  color: var(--fg-4);
  cursor: pointer;
  border-radius: 2px;
}
.input-wrap .input-action:hover { color: var(--proa-navy); }

/* Checkbox */
.check {
  display: inline-flex;
  align-items: flex-start;
  gap: 10px;
  cursor: pointer;
  font-size: 13px;
  line-height: 1.5;
  color: var(--fg-2);
}
.check input { display: none; }
.check .box {
  flex-shrink: 0;
  width: 16px; height: 16px;
  border: 1.5px solid var(--border-1);
  border-radius: 2px;
  background: var(--proa-white);
  display: flex; align-items: center; justify-content: center;
  margin-top: 2px;
  transition: all 150ms var(--ease);
}
.check input:checked + .box {
  background: var(--proa-navy);
  border-color: var(--proa-navy);
}
.check input:checked + .box::after {
  content: '';
  width: 9px; height: 5px;
  border-left: 1.5px solid var(--proa-white);
  border-bottom: 1.5px solid var(--proa-white);
  transform: rotate(-45deg) translate(0px, -1px);
}

/* ============================================================
 * Card
 * ============================================================ */
.card {
  background: var(--proa-white);
  border: 1px solid var(--border-1);
  border-radius: 3px;
  padding: 28px;
}
.card-dark {
  background: var(--proa-navy);
  color: var(--on-navy-1);
  border-radius: 3px;
  padding: 28px;
}
.divider {
  height: 1px;
  background: var(--border-2);
  margin: 20px 0;
}

/* ============================================================
 * Pill
 * ============================================================ */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1.5px solid var(--proa-navy);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--proa-navy);
  background: transparent;
}

/* ============================================================
 * Alert / Banner
 * ============================================================ */
.alert {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  border-radius: 2px;
  font-size: 13px;
  line-height: 1.5;
  border: 1px solid;
}
.alert-error {
  background: var(--danger-bg);
  border-color: rgba(180,40,40,0.25);
  color: var(--danger);
}
.alert-info {
  background: #EAF1F4;
  border-color: rgba(45,86,103,0.25);
  color: var(--proa-slate);
}
.alert-success {
  background: var(--success-bg);
  border-color: rgba(26,107,58,0.25);
  color: var(--success);
}
.alert-warn {
  background: var(--warn-bg);
  border-color: rgba(138,90,0,0.25);
  color: var(--warn);
}

/* ============================================================
 * Variant toggle A↔B
 * ============================================================ */
.variant-toggle {
  position: fixed;
  bottom: 16px;
  right: 16px;
  z-index: 9999;
  display: flex;
  align-items: center;
  gap: 4px;
  background: var(--proa-navy);
  border-radius: 999px;
  padding: 4px;
  font-family: var(--f-mono);
  font-size: 11px;
  box-shadow: 0 8px 20px rgba(11,38,57,0.25);
}
.variant-toggle button {
  background: transparent;
  border: none;
  color: var(--on-navy-3);
  padding: 6px 14px;
  border-radius: 999px;
  cursor: pointer;
  transition: all 150ms var(--ease);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-family: inherit;
  font-size: inherit;
}
.variant-toggle button.is-active {
  background: var(--proa-teal);
  color: var(--proa-navy);
}

/* ============================================================
 * Utility helpers
 * ============================================================ */
.stack { display: flex; flex-direction: column; }
.stack-4  { gap: 4px; }
.stack-8  { gap: 8px; }
.stack-12 { gap: 12px; }
.stack-16 { gap: 16px; }
.stack-20 { gap: 20px; }
.stack-24 { gap: 24px; }
.stack-32 { gap: 32px; }

.row { display: flex; align-items: center; }
.row-gap-8  { gap: 8px; }
.row-gap-12 { gap: 12px; }
.row-gap-16 { gap: 16px; }
.row-between { justify-content: space-between; }
.row-end { justify-content: flex-end; }

.flex-1 { flex: 1; }
.text-center { text-align: center; }
.text-navy { color: var(--proa-navy); }
.text-teal { color: var(--proa-teal); }
.text-grey { color: var(--fg-4); }