/*
  ============================================================
  MPO — Stylesheet
  Styled to match dfsweb ribbit theme
  ============================================================

  COLORS (dfsweb ribbit)
  ----------------------
  Background:      #0E0E0C
  Surface:         #151513
  Border:          #252522
  Border hover:    #3A3A36
  Text primary:    #EEECEA
  Text secondary:  #C0C0B8
  Text muted:      #888882
  Accent (teal):   #5BBFAA
  Accent hover:    #7DD4C2

  FONTS (dfsweb)
  --------------
  Display:  Space Grotesk  — headings
  Body:     IBM Plex Sans  — body copy
  Mono:     JetBrains Mono — eyebrows, labels, meta

  BUTTONS (ribbit)
  ----------------
  Primary: near-white fill (#EEECEA), dark text, teal on hover
  Outline: transparent, border #3A3A36, text secondary
  Radius: 4px (not pill)
  ============================================================
*/


/* ============================================================
   CUSTOM PROPERTIES
   ============================================================ */
:root {
  --color-accent:          #5BBFAA;
  --color-accent-hover:    #7DD4C2;
  --color-accent-dim:      #1A3D38;

  --color-bg:              #0E0E0C;
  --color-surface:         #151513;
  --color-border:          #252522;
  --color-border-hover:    #3A3A36;

  --color-text:            #EEECEA;
  --color-text-secondary:  #C0C0B8;
  --color-text-muted:      #888882;

  --color-disabled-bg:     #252522;
  --color-disabled-text:   #555550;

  /* Legacy aliases used in a few places */
  --color-primary:         #5BBFAA;
  --color-primary-dark:    #3FA390;
  --color-primary-light:   #1A3D38;
  --color-ink:             #EEECEA;

  --font-sans:     'IBM Plex Sans',  system-ui, -apple-system, sans-serif;
  --font-display:  'Space Grotesk',  'IBM Plex Sans', system-ui, sans-serif;
  --font-mono:     'JetBrains Mono', ui-monospace, 'Cascadia Code', monospace;

  --text-xs:   0.75rem;
  --text-sm:   1rem;
  --text-base: 1rem;
  --text-md:   1.125rem;
  --text-lg:   1.375rem;
  --text-xl:   1.75rem;
  --text-2xl:  2.25rem;
  --text-3xl:  3rem;

  --sp-1:  0.25rem;
  --sp-2:  0.5rem;
  --sp-3:  0.75rem;
  --sp-4:  1rem;
  --sp-5:  1.25rem;
  --sp-6:  1.5rem;
  --sp-8:  2rem;
  --sp-10: 2.5rem;
  --sp-12: 3rem;
  --sp-16: 4rem;
  --sp-20: 5rem;
  --sp-24: 6rem;

  /* Keep legacy space vars pointing at sp equivalents */
  --space-xs:  var(--sp-1);
  --space-sm:  var(--sp-2);
  --space-md:  var(--sp-4);
  --space-lg:  var(--sp-6);
  --space-xl:  var(--sp-8);
  --space-2xl: var(--sp-12);
  --space-3xl: var(--sp-16);
  --space-4xl: var(--sp-20);
  --space-5xl: var(--sp-24);

  --container-max: 1100px;
  --container-pad: var(--sp-10);

  --radius-sm:   4px;
  --radius-md:   8px;
  --radius-lg:   8px;
  --radius-xl:   8px;
  --radius-full: 9999px;

  --transition: 180ms ease;
  --transition-fast: 180ms ease;
  --transition-base: 180ms ease;
}


/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; }


/* ============================================================
   LAYOUT
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

@media (max-width: 480px) {
  :root { --container-pad: var(--sp-5); }
}


/* ============================================================
   HEADER / NAV — flat, no blur (ribbit)
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
  gap: var(--sp-8);
}

.nav__logo-link {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}

/* Invert logo to be visible on dark background */
.nav__logo {
  height: 28px;
  width: auto;
  display: block;
  filter: brightness(0) invert(1);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--sp-8);
}

.nav__link {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition);
}

.nav__link:hover { color: var(--color-text); }

.nav__link:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}


/* ============================================================
   BUTTONS — ribbit style
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-6);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  line-height: 1;
  border-radius: var(--radius-sm);
  border: 1.5px solid transparent;
  text-decoration: none;
  transition:
    background-color var(--transition),
    border-color var(--transition),
    color var(--transition);
  white-space: nowrap;
  cursor: pointer;
}

/* Primary — near-white fill, dark text; teal on hover */
.btn--primary {
  background-color: var(--color-text);
  border-color: var(--color-text);
  color: var(--color-bg);
}

.btn--primary:hover {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-bg);
}

.btn--primary:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

/* Outline — dark border, secondary text */
.btn--outline {
  background-color: transparent;
  border-color: var(--color-border-hover);
  color: var(--color-text-secondary);
}

.btn--outline:hover {
  border-color: var(--color-text-secondary);
  color: var(--color-text);
}

.btn--outline:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

/* Disabled */
.btn--disabled {
  background-color: var(--color-disabled-bg);
  border-color: var(--color-disabled-bg);
  color: var(--color-disabled-text);
  cursor: not-allowed;
  pointer-events: none;
}

.cta-group__disabled-wrapper {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--sp-2);
}


/* ============================================================
   BADGES
   ============================================================ */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  line-height: 1.5;
  white-space: nowrap;
}

.badge--soon {
  background-color: var(--color-surface);
  border-color: var(--color-border);
  color: var(--color-text-muted);
}

.badge--launching {
  background-color: var(--color-accent-dim);
  border-color: #2E6B5E;
  color: var(--color-accent);
}


/* ============================================================
   HERO — full-bleed background image
   ============================================================ */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: flex-end;
  background-color: var(--color-bg);
  background-image: url('assets/market-payment.jpg');
  background-size: cover;
  background-position: center 25%;
  overflow: hidden;
  padding-bottom: var(--sp-24);
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(14, 14, 12, 0.95) 0%,
    rgba(14, 14, 12, 0.55) 40%,
    rgba(14, 14, 12, 0.08) 100%
  );
}

.hero__inner {
  position: relative;
  z-index: 1;
  width: 100%;
}

.hero__content {
  display: flex;
  flex-direction: column;
  gap: var(--sp-6);
  max-width: 640px;
}

.hero__eyebrow {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.hero__eyebrow--title {
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-weight: 600;
  letter-spacing: -0.01em;
  text-transform: none;
  color: var(--color-accent);
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5.2vw, 4.2rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.05;
  color: var(--color-text);
}

.hero__description {
  font-family: var(--font-sans);
  font-size: var(--text-md);
  font-weight: 400;
  color: var(--color-text-secondary);
  line-height: 1.7;
  max-width: 500px;
  letter-spacing: -0.005em;
}

.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: var(--sp-3);
  padding-top: var(--sp-2);
}

/* On dark hero background, primary button uses accent colour */
.hero .btn--primary {
  background-color: var(--color-text);
  border-color: var(--color-text);
  color: var(--color-bg);
}

.hero .btn--primary:hover {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
}

.hero .btn--disabled {
  background-color: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.28);
}

.hero .badge--soon {
  background-color: transparent;
  border-color: rgba(255, 255, 255, 0.18);
  color: rgba(255, 255, 255, 0.38);
}


/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background-color: var(--color-bg);
  border-top: 1px solid var(--color-border);
  padding-block: var(--sp-12);
}

.footer__inner {
  display: flex;
  flex-direction: column;
  gap: var(--sp-8);
}

@media (min-width: 768px) {
  .footer__inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.footer__brand {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.footer__logo {
  height: 22px;
  width: auto;
  display: block;
  align-self: flex-start;
  filter: brightness(0) invert(1);
  opacity: 0.7;
}

.footer__tagline {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-4) var(--sp-8);
  align-items: center;
}

.footer__link {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition);
}

.footer__link:hover { color: var(--color-text); }

.footer__link:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

.footer__legal {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  opacity: 0.6;
}

@media (min-width: 768px) {
  .footer__legal { text-align: right; white-space: nowrap; }
}


/* ============================================================
   MOBILE
   ============================================================ */
@media (max-width: 575px) {
  .hero {
    min-height: 85vh;
    padding-bottom: var(--sp-16);
    background-position: 60% 25%;
  }
}


/* ============================================================
   ACCESSIBILITY — reduced motion
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}