/* ============================================================
   Loop Design System — Color & Type Foundations
   ============================================================
   Warm editorial aesthetic inspired by Mastercard's MarkForMC
   system. Sofia Sans substitutes for the proprietary MarkForMC.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Sofia+Sans:wght@400;450;500;600;700;800&display=swap');

:root {
  /* ---------- Color: Brand ---------- */
  --loop-orange:        #CF4500;  /* Signal Orange — consent / accent */
  --loop-orange-light:  #F37338;  /* Light Signal Orange — orbital lines, indicators */
  --loop-clay:          #9A3A0A;  /* Clay Brown — secondary link / text accent */

  /* ---------- Color: Surface ---------- */
  --canvas:             #F3F0EE;  /* Canvas Cream — body background */
  --canvas-lifted:      #FCFBFA;  /* Lifted Cream — raised sections */
  --canvas-whisper:     #E8E2DA;  /* Ghost watermark cream */
  --white:              #FFFFFF;  /* Nav pill, modals, satellite CTAs */
  --bone:               #F4F4F4;  /* Soft Bone — cool alt surface */

  /* ---------- Color: Ink / Text ---------- */
  --ink:                #141413;  /* Warm near-black — primary text, CTAs, footer */
  --charcoal:           #262627;  /* Softer ink alternate */
  --slate:              #696969;  /* Muted secondary text */
  --granite:            #555555;  /* Deep gray body accent */
  --graphite:           #565656;  /* Link alternate */
  --dust:               #D1CDC7;  /* Whisper / disabled */

  /* ---------- Color: Semantic ---------- */
  --link:               #3860BE;  /* Inline link blue */
  --success:            #1F7A4D;  /* Used sparingly */
  --warning:            #CF4500;  /* Reuses signal orange */
  --danger:             #B12318;  /* Deep red */

  /* ---------- Typography ---------- */
  --font-sans: "Sofia Sans", "MarkForMC", "Helvetica Neue", Arial, sans-serif;

  /* Display weights — Mastercard's signature 450 body is preserved */
  --fw-body:    450;
  --fw-medium:  500;
  --fw-bold:    700;

  /* Type scale (px) */
  --fs-hero:    64px;   /* H1 hero */
  --fs-h2:      36px;   /* Section title */
  --fs-h3:      24px;   /* Card title */
  --fs-h4:      18px;   /* Subhead */
  --fs-body:    16px;   /* Body paragraph */
  --fs-small:   14px;   /* Eyebrow, footer links */
  --fs-micro:   12px;   /* Footer column header, fine print */

  /* Tracking */
  --track-tight:   -0.02em;  /* Headlines, -2% */
  --track-button:  -0.03em;  /* Nav links / buttons, -3% */
  --track-eyebrow: 0.04em;   /* Uppercase eyebrow, +4% */

  /* Line heights */
  --lh-hero: 1;
  --lh-tight: 1.2;
  --lh-body:  1.4;

  /* ---------- Radius Scale ----------
     Mastercard skips 8-12 — commit to small (≤6),
     medium-large (20-40), or full pill (99+).            */
  --r-xs:    6px;
  --r-md:    20px;   /* Primary CTA */
  --r-lg:    24px;   /* Consent button */
  --r-xl:    40px;   /* Hero media frame, H2 pill */
  --r-pill:  999px;  /* Nav, carousel, country selector */
  --r-full:  50%;    /* Portrait circles, icon buttons */

  /* ---------- Spacing — base 8 ---------- */
  --s-1:   8px;
  --s-2:  16px;
  --s-3:  24px;
  --s-4:  32px;
  --s-5:  48px;
  --s-6:  64px;
  --s-7:  96px;
  --s-8: 128px;

  /* ---------- Elevation ---------- */
  --shadow-1: 0 4px 24px rgba(0, 0, 0, 0.04);              /* Floating nav */
  --shadow-2: 0 24px 48px rgba(0, 0, 0, 0.08);             /* Hero media, cards */
  --shadow-3: 0 70px 110px rgba(0, 0, 0, 0.25);            /* Dramatic feature tile */

  /* ---------- Borders ---------- */
  --bw-button: 1.5px;
  --bw-hair:   1px;

  /* ---------- Motion ---------- */
  --ease-soft:  cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out:   cubic-bezier(0.2, 0.6, 0.2, 1);
  --dur-fast:   120ms;
  --dur-base:   200ms;
  --dur-slow:   400ms;
}

/* ============================================================
   Semantic element styles
   ============================================================ */

html, body {
  background: var(--canvas);
  color: var(--ink);
  font-family: var(--font-sans);
  font-weight: var(--fw-body);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, .h1 {
  font-family: var(--font-sans);
  font-weight: var(--fw-medium);
  font-size: var(--fs-hero);
  line-height: var(--lh-hero);
  letter-spacing: var(--track-tight);
  color: var(--ink);
  margin: 0;
}

h2, .h2 {
  font-family: var(--font-sans);
  font-weight: var(--fw-medium);
  font-size: var(--fs-h2);
  line-height: 1.22;
  letter-spacing: var(--track-tight);
  color: var(--ink);
  margin: 0;
}

h3, .h3 {
  font-family: var(--font-sans);
  font-weight: var(--fw-medium);
  font-size: var(--fs-h3);
  line-height: var(--lh-tight);
  letter-spacing: var(--track-tight);
  color: var(--ink);
  margin: 0;
}

h4, .h4 {
  font-family: var(--font-sans);
  font-weight: var(--fw-bold);
  font-size: var(--fs-h4);
  line-height: 1.3;
  color: var(--ink);
  margin: 0;
}

p, .body {
  font-weight: var(--fw-body);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--ink);
}

.muted { color: var(--slate); }

.eyebrow {
  font-size: var(--fs-small);
  font-weight: var(--fw-bold);
  letter-spacing: var(--track-eyebrow);
  text-transform: uppercase;
  color: var(--ink);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--loop-orange-light);
}

a, .link {
  color: var(--link);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur-base) var(--ease-soft);
}
a:hover, .link:hover { border-bottom-color: currentColor; }

code, .mono {
  font-family: ui-monospace, "SF Mono", "Menlo", monospace;
  font-size: 0.9em;
  background: var(--bone);
  padding: 2px 6px;
  border-radius: var(--r-xs);
}

/* ============================================================
   Button primitives — see also ui_kits/marketing/Button.jsx
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  font-weight: var(--fw-medium);
  letter-spacing: var(--track-button);
  line-height: 1;
  padding: 12px 24px;
  border-radius: var(--r-md);
  border: var(--bw-button) solid transparent;
  cursor: pointer;
  transition: transform var(--dur-fast) var(--ease-out), background var(--dur-base) var(--ease-soft);
  text-decoration: none;
}
.btn:active { transform: translateY(1px) scale(0.99); }

.btn--primary {
  background: var(--ink);
  color: var(--canvas);
  border-color: var(--ink);
}
.btn--primary:hover { background: #000; }

.btn--secondary {
  background: var(--white);
  color: var(--ink);
  border-color: var(--ink);
  font-weight: var(--fw-body);
}
.btn--secondary:hover { background: var(--canvas-lifted); }

.btn--signal {
  background: var(--loop-orange);
  color: var(--white);
  border-color: var(--loop-orange);
  border-radius: var(--r-lg);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.01em;
  padding: 6px 30px;
}

.btn--satellite {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--white);
  color: var(--ink);
  padding: 0;
  border: none;
  font-size: 20px;
}