/* =============================================================
   Sirrapa Property Group — Design Tokens
   Colors, type, spacing, radii, shadows, motion
   ============================================================= */

@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;500;600;700;800&display=swap');

:root {
  /* ---------- PALETTE ---------- */

  /* Ink — the institutional dark (primary text + dark surfaces) */
  --ink-900: #0A0D14;   /* BRAND: Ink */
  --ink-800: #141822;   /* slightly lifted ink */
  --ink-700: #1F2430;   /* hover darkening */
  --ink-600: #2A3140;   /* muted ink, subtle borders on dark */

  /* Teal — SPG's primary brand colour */
  --teal-900: #0F4F4E;
  --teal-800: #156C6A;
  --teal-700: #187775;
  --teal-600: #1E8A88;   /* BRAND: SPG Teal */
  --teal-500: #3AA3A1;
  --teal-400: #6FC0BE;
  --teal-300: #A8DAD9;
  --teal-200: #D4EDEC;
  --teal-100: #EAF6F5;

  /* Deep Dark Green — stability, used for emphasis and dark surfaces */
  --green-900: #152218;
  --green-800: #1B2E21;
  --green-700: #22392A;   /* BRAND: Deep Dark Green */
  --green-600: #2E4E37;
  --green-500: #3E6749;

  /* Bronze / Gold — the highlight accent */
  --bronze-900: #7C3808;
  --bronze-800: #96480A;
  --bronze-700: #B45309;   /* BRAND: Gold / Bronze */
  --bronze-600: #C66215;
  --bronze-500: #D97E2A;
  --bronze-400: #E9A263;
  --bronze-300: #F3C89A;

  /* Neutrals — cool, clean */
  --paper-0:  #FFFFFF;   /* page / cards on light surfaces */
  --paper-50: #FAFAFA;   /* quiet section background */
  --paper-100: #F4F5F7;  /* stronger quiet section */
  --stone-200: #E3E5EA;  /* hairline rules, input borders */
  --stone-300: #CBCFD6;  /* stronger divider */
  --stone-500: #6E7480;  /* captions, meta, placeholder */
  --stone-700: #3D424C;  /* muted prose on light */

  /* Semantic — muted, desaturated to sit in-palette */
  --success: #2E4E37;   /* green-600 */
  --warning: #B45309;   /* bronze-700 */
  --danger:  #8C3A2E;
  --info:    #1E8A88;   /* teal-600 */

  /* Semantic aliases (foreground / background) */
  --fg-1: var(--ink-900);     /* primary text */
  --fg-2: var(--ink-800);     /* body */
  --fg-3: var(--stone-700);   /* secondary prose */
  --fg-4: var(--stone-500);   /* captions, meta */
  --fg-inverse: var(--paper-0);
  --fg-accent: var(--teal-600);
  --fg-highlight: var(--bronze-700);

  --bg-page: var(--paper-0);
  --bg-surface: var(--paper-0);
  --bg-quiet: var(--paper-50);
  --bg-dark: var(--ink-900);
  --bg-dark-alt: var(--green-700);

  --border: var(--stone-200);
  --border-strong: var(--stone-300);
  --border-dark: var(--ink-600);

  /* ---------- TYPE ---------- */
  /* Clean, modern sans-serif — Montserrat is the brand's declared type */

  --font-sans:  'Montserrat', 'Helvetica Neue', Helvetica, 'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-display: var(--font-sans);
  --font-mono:  ui-monospace, 'SF Mono', Menlo, Consolas, monospace;

  /* Type ramp */
  --fs-display: 64px;  --lh-display: 72px;
  --fs-h1: 44px;       --lh-h1: 52px;
  --fs-h2: 30px;       --lh-h2: 38px;
  --fs-h3: 22px;       --lh-h3: 30px;
  --fs-lede: 20px;     --lh-lede: 32px;
  --fs-p:   16px;      --lh-p:   26px;
  --fs-small: 14px;    --lh-small: 20px;
  --fs-micro: 12px;    --lh-micro: 16px;
  --fs-quote: 26px;    --lh-quote: 36px;

  /* ---------- SPACING (4px base) ---------- */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --space-9: 96px;
  --space-10: 128px;

  /* ---------- RADII ---------- */
  --r-sm: 2px;
  --r-md: 4px;
  --r-lg: 8px;
  --r-xl: 12px;     /* soft upper bound; never go bigger */
  --r-full: 999px;  /* reserved for circular logo mark only */

  /* ---------- SHADOWS ---------- */
  --shadow-hairline: 0 1px 0 rgba(10,13,20,0.06);
  --shadow-soft: 0 1px 2px rgba(10,13,20,0.06), 0 8px 24px rgba(10,13,20,0.06);
  --shadow-lift: 0 2px 4px rgba(10,13,20,0.08), 0 16px 40px rgba(10,13,20,0.08);
  --shadow-inner: inset 0 0 0 1px var(--border);

  /* ---------- LAYOUT ---------- */
  --container: 1200px;
  --gutter: 24px;
  --gutter-mobile: 16px;
  --nav-h: 72px;

  /* ---------- MOTION ---------- */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  --dur-fast: 120ms;
  --dur: 200ms;
  --dur-slow: 320ms;
}

/* =============================================================
   Base / reset-ish
   ============================================================= */

html { -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }

body {
  margin: 0;
  background: var(--bg-page);
  color: var(--fg-2);
  font-family: var(--font-sans);
  font-size: var(--fs-p);
  line-height: var(--lh-p);
  font-weight: 400;
}

/* =============================================================
   Semantic type
   ============================================================= */

.display, h1.display {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-display);
  line-height: var(--lh-display);
  letter-spacing: -0.02em;
  color: var(--fg-1);
  margin: 0;
  text-wrap: balance;
}

h1, .h1 {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: var(--fs-h1);
  line-height: var(--lh-h1);
  letter-spacing: -0.015em;
  color: var(--fg-1);
  margin: 0 0 var(--space-5);
  text-wrap: balance;
}

h2, .h2 {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: var(--fs-h2);
  line-height: var(--lh-h2);
  letter-spacing: -0.01em;
  color: var(--fg-1);
  margin: 0 0 var(--space-4);
  text-wrap: balance;
}

h3, .h3 {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: var(--fs-h3);
  line-height: var(--lh-h3);
  color: var(--fg-1);
  margin: 0 0 var(--space-3);
}

.lede {
  font-family: var(--font-sans);
  font-size: var(--fs-lede);
  line-height: var(--lh-lede);
  color: var(--fg-2);
  font-weight: 400;
  text-wrap: pretty;
}

p, .p {
  font-size: var(--fs-p);
  line-height: var(--lh-p);
  color: var(--fg-2);
  margin: 0 0 var(--space-4);
  text-wrap: pretty;
}

.small { font-size: var(--fs-small); line-height: var(--lh-small); color: var(--fg-3); }
.micro { font-size: var(--fs-micro); line-height: var(--lh-micro); color: var(--fg-4); letter-spacing: 0.02em; text-transform: uppercase; font-weight: 500; }

.quote, blockquote {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: var(--fs-quote);
  line-height: var(--lh-quote);
  color: var(--fg-1);
  margin: 0;
  text-wrap: balance;
  letter-spacing: -0.005em;
}

a {
  color: var(--fg-accent);
  text-decoration: none;
  transition: color var(--dur) var(--ease-out);
}
a:hover { text-decoration: underline; text-underline-offset: 3px; }

hr {
  border: 0;
  border-top: 1px solid var(--border);
  margin: var(--space-7) 0;
}

/* =============================================================
   Utility atoms
   ============================================================= */

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding-inline: var(--gutter);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 14px 22px;
  font-family: var(--font-sans);
  font-size: var(--fs-small);
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: var(--r-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background var(--dur) var(--ease-out), color var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out);
  text-decoration: none;
}
.btn:hover { text-decoration: none; }
.btn:focus-visible { outline: 2px solid var(--teal-500); outline-offset: 2px; }

.btn--primary { background: var(--teal-600); color: var(--paper-0); }
.btn--primary:hover { background: var(--teal-800); }
.btn--primary:active { filter: brightness(0.95); }

.btn--secondary { background: transparent; color: var(--ink-900); border-color: var(--ink-900); }
.btn--secondary:hover { background: var(--ink-900); color: var(--paper-0); }

.btn--ghost { background: transparent; color: var(--fg-1); }
.btn--ghost:hover { color: var(--teal-600); }

.btn--bronze { background: var(--bronze-700); color: var(--paper-0); }
.btn--bronze:hover { background: var(--bronze-800); }

.eyebrow {
  font-family: var(--font-sans);
  font-size: var(--fs-micro);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--fg-accent);
  font-weight: 600;
  margin-bottom: var(--space-4);
}

.rule-gold, .rule-bronze {
  display: block;
  width: 48px;
  height: 2px;
  background: var(--bronze-700);
  border: 0;
}
.rule-teal {
  display: block;
  width: 48px;
  height: 2px;
  background: var(--teal-600);
  border: 0;
}

.card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: var(--space-6);
  transition: box-shadow var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out);
}
.card:hover { box-shadow: var(--shadow-soft); }

.input {
  width: 100%;
  padding: 12px 14px;
  font-family: var(--font-sans);
  font-size: var(--fs-p);
  color: var(--fg-1);
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  transition: border-color var(--dur) var(--ease-out), box-shadow var(--dur) var(--ease-out);
}
.input::placeholder { color: var(--fg-4); }
.input:focus { outline: none; border-color: var(--teal-600); box-shadow: 0 0 0 3px rgba(30,138,136,0.18); }
.input:disabled { opacity: 0.4; }

.label {
  display: block;
  font-size: var(--fs-small);
  font-weight: 500;
  color: var(--fg-2);
  margin-bottom: var(--space-2);
}

/* =============================================================
   Dark section treatment
   ============================================================= */

.surface-dark {
  background: var(--bg-dark);
  color: var(--paper-0);
}
.surface-dark h1, .surface-dark h2, .surface-dark h3, .surface-dark .display, .surface-dark .quote, .surface-dark blockquote { color: var(--paper-0); }
.surface-dark p, .surface-dark .p, .surface-dark .lede { color: rgba(255,255,255,0.78); }
.surface-dark .eyebrow { color: var(--teal-400); }
.surface-dark .rule-gold, .surface-dark .rule-bronze { background: var(--bronze-500); }
.surface-dark .rule-teal { background: var(--teal-400); }
.surface-dark a { color: var(--teal-400); }

.surface-green {
  background: var(--green-700);
  color: var(--paper-0);
}
.surface-green h1, .surface-green h2, .surface-green h3, .surface-green .display { color: var(--paper-0); }
.surface-green p, .surface-green .p, .surface-green .lede { color: var(--teal-200); }
.surface-green .eyebrow { color: var(--bronze-400); }
.surface-green .rule-bronze { background: var(--bronze-500); }