/* ---- Theme Variables ----------------------------------------------------- */
/* Previous theme (for reference)
 /* Dark mode */
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0c0c0c;
    --surface: #121212;
    --overlay: #1a1a1a;
    --text: #fafafa;
    --muted-text: #bdbdbd;
    --primary: #07393c;
    --border: rgba(255, 255, 255, 0.12);
    --pill-bg: rgba(255, 255, 255, 0.08);
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
    --brand-blue: #0b63f6;
    --brand-purple: #6a38c2;

    /* Shimmer controls */
    --shimmer-speed: 48s;
    /* overall cycle duration */
    --shimmer-speed-2: 72s;
    /* secondary layer speed */
    --shimmer-intensity: 0.12;
    /* light-mode opacity */
    --shimmer-intensity-dark: 0.18;
    /* dark-mode opacity */
  }
}
*/ :root {
  color-scheme: light dark;

  /* Core brand palette */
  --brand-blue: #0b63f6;
  --brand-purple: #6a38c2;
  --brand-cyan: #00b4ff;

  /* Base light theme */
  --bg: #f9fbff;
  --surface: #ffffff;
  --text: #0a0a0a;
  --muted-text: #555;
  --border: rgba(0, 0, 0, 0.12);
}

/* Dark mode */
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0c0d11;
    --surface: #121318;
    --text: #f5f7fa;
    --muted-text: #b5b5b5;
    --border: rgba(255, 255, 255, 0.12);
    --link: #4d8eff;
    --link-hover: #6a38c2;
    --link-visited: #9a7edb;
    /* Dark mode badge: teal / pale-cyan for visibility */
    --badge-fg: #40e0d0;
    /* turquoise */
    --badge-bg: rgba(64, 224, 208, 0.18);
    --badge-bg-hover: rgba(64, 224, 208, 0.28);
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-size: 16px;
  scroll-behavior: smooth;
  line-height: 1.5;
}

body {
  position: relative;
  isolation: isolate;
  min-height: 100vh;

  margin-bottom: auto;
  margin-left: 0;
  margin-right: 0;
  padding: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial,
    sans-serif;
  line-height: 1.65;
  font-weight: 400;
  text-rendering: optimizeLegibility;
  color: var(--text);
  background: radial-gradient(
      circle at 20% 20%,
      rgba(11, 99, 246, 0.12),
      transparent 60%
    ),
    radial-gradient(
      circle at 80% 80%,
      rgba(106, 56, 194, 0.08),
      transparent 60%
    ),
    linear-gradient(180deg, var(--bg) 0%, var(--surface) 100%);
  transition: background 0.6s ease, color 0.6s ease;
}

/* --- Shimmer layer (behind content) --- */
body::before,
body::after {
  content: "";
  position: fixed;
  inset: -10vmax;
  /* bleed out to avoid edges while moving */
  z-index: -1;
  pointer-events: none;
  will-change: transform, opacity;
  filter: blur(24px);
  /* soft glow */
  opacity: var(--shimmer-intensity);
}

/* Layer A: broad conic band + radial pulses */
body::before {
  background: conic-gradient(
    from 120deg at 30% 40%,
    rgba(11, 99, 246, 0.25),
    rgba(0, 180, 255, 0.18),
    rgba(106, 56, 194, 0.22),
    rgba(11, 99, 246, 0.25)
  );
  animation: voltpay-float var(--shimmer-speed) linear infinite;
  transform: translate3d(0, 0, 0) rotate(0deg) scale(1.1);
  mix-blend-mode: screen;
  /* subtle lift on light backgrounds */
}

/* Layer B: faint drifting blotches for parallax */
body::after {
  background: radial-gradient(
      40vmax 40vmax at 15% 20%,
      rgba(11, 99, 246, 0.25),
      transparent 65%
    ),
    radial-gradient(
      35vmax 35vmax at 85% 75%,
      rgba(0, 180, 255, 0.2),
      transparent 70%
    ),
    radial-gradient(
      30vmax 30vmax at 60% 10%,
      rgba(106, 56, 194, 0.22),
      transparent 70%
    );
  animation: voltpay-drift var(--shimmer-speed-2) ease-in-out infinite;
  transform: translate3d(0, 0, 0) scale(1.05);
}

/*--------- Entrance animations for sections ---------*/
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(8px);
    animation: vp-fade 600ms ease forwards;
  }
  .reveal:nth-child(1) {
    animation-delay: 60ms;
  }
  .reveal:nth-child(2) {
    animation-delay: 120ms;
  }
  .reveal:nth-child(3) {
    animation-delay: 180ms;
  }
  .reveal:nth-child(4) {
    animation-delay: 240ms;
  }
  @keyframes vp-fade {
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
}

/* Simple timeline */
.timeline {
  position: relative;
  padding-left: 1.25rem;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 0.45rem;
  top: 0.2rem;
  bottom: 0.2rem;
  width: 2px;
  background: var(--border);
}
.t-item {
  position: relative;
  padding-left: 0.9rem;
  margin: 0.75rem 0;
}
.t-item::before {
  content: "";
  position: absolute;
  left: -0.1rem;
  top: 0.35rem;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--brand);
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--brand) 20%, transparent);
}
.k-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.5rem;
}
.k-badge {
  border: 1px solid var(--border);
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  font-size: 0.85rem;
  background: var(--card);
}

.partner-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.7rem;
  border: 1px dashed var(--border);
  border-radius: 999px;
  background: var(--pill-bg);
  font-weight: 600;
  font-size: 0.9rem;
}

.about-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
@media (max-width: 720px) {
  .about-grid {
    grid-template-columns: 1fr;
  }
}

.muted-note {
  color: var(--muted-text);
  font-size: 0.95rem;
}

/* Dark mode tuning */
@media (prefers-color-scheme: dark) {
  body::before,
  body::after {
    opacity: var(--shimmer-intensity-dark);
    mix-blend-mode: lighten;
  }
}

/* Reduced motion: keep the look, stop movement */
@media (prefers-reduced-motion: reduce) {
  body::before,
  body::after {
    animation: none !important;
  }
}

/* Keyframes use only transform for smooth, battery-friendly GPU anims */
@keyframes voltpay-float {
  0% {
    transform: translate3d(-2%, -1%, 0) rotate(0deg) scale(1.1);
  }

  50% {
    transform: translate3d(2%, 1%, 0) rotate(180deg) scale(1.1);
  }

  100% {
    transform: translate3d(-2%, -1%, 0) rotate(360deg) scale(1.1);
  }
}

@keyframes voltpay-drift {
  0% {
    transform: translate3d(0%, 0%, 0) scale(1.05);
  }

  50% {
    transform: translate3d(2%, -1%, 0) scale(1.08);
  }

  100% {
    transform: translate3d(0%, 0%, 0) scale(1.05);
  }
}

/* ---- Brand Header ------------------------------------------------------- */
.brand-header {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1.5rem;
}

.brand-header img {
  width: 32px;
  height: 32px;
  border-radius: 6px;
}

.brand-header a {
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--text);
  text-decoration: none;
}

.brand-header a:hover {
  color: var(--link);
  text-decoration: underline;
}

/* ---- Layout ------------------------------------------------------------- */
.container {
  max-width: 840px;
  margin: 2rem auto;
  padding: 0 1rem;
}

header.page-head {
  margin-bottom: 1.25rem;
}

.header-sub {
  color: var(--muted-text);
  margin: 0.25rem 0 0;
  font-size: 0.95rem;
}

.pill {
  display: inline-block;
  padding: 0.4rem 0.7rem;
  border-radius: 999px;
  background: var(--pill-bg);
  font-size: 0.85rem;
}

/* ---- Typography ---------------------------------------------------------- */
h1,
h2,
h3 {
  line-height: 1.25;
  margin: 1.25rem 0 0.5rem;
}

h1 {
  font-size: clamp(1.6rem, 2vw + 1rem, 2.2rem);
}

h2 {
  font-size: clamp(1.25rem, 1.2vw + 0.9rem, 1.5rem);
}

h3 {
  font-size: 1.1rem;
}

p,
ul,
ol {
  margin: 0.8rem 0;
}

ul,
ol {
  padding-left: 1.25rem;
}

small,
.muted {
  color: var(--muted-text);
}

/* ---- Links --------------------------------------------------------------- */
a {
  color: var(--link);
  text-decoration: none;
}

a:visited {
  color: var(--link-visited);
}

a:hover,
a:focus {
  text-decoration: underline;
}

/* ---- Cards / Sections ---------------------------------------------------- */
.section {
  padding: 1.25rem 0;
}
.card {
  background: var(--surface, #fff);
  border: 1px solid var(--border, rgba(0, 0, 0, 0.12));
  border-radius: 1rem;
  padding: 1rem 1.25rem;
  box-shadow: var(--shadow, 0 4px 18px rgba(0, 0, 0, 0.08));
  margin: 1.5rem 0;
}
.note {
  margin: 0 0 0.75rem 0;
  color: var(--muted-text, #555);
}

/* Button styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.1rem;
  border-radius: 0.6rem;
  border: 1px solid var(--border, rgba(0, 0, 0, 0.12));
  background-color: var(--badge-bg, var(--surface));
  font-weight: 500;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: all 0.25s ease;
  text-decoration: none;
}

/* ----- VoltPay primary button ----- */
.btn-primary {
  /* Brand “badge” gradient background */
  background: linear-gradient(
    145deg,
    color-mix(in srgb, var(--brand-purple, #6a38c2) 80%, #4b2fa0),
    color-mix(in srgb, var(--link, #0b63f6) 75%, #004aad)
  );
  border-color: var(--link, #0b63f6);
  box-shadow: 0 3px 8px rgba(11, 99, 246, 0.25);
}

.btn-primary:hover {
  filter: brightness(1.07);
  box-shadow: 0 4px 10px rgba(11, 99, 246, 0.35);
}

.btn-primary:active {
  transform: translateY(2px);
  box-shadow: 0 2px 6px rgba(11, 99, 246, 0.25);
}

/* ----- Ghost button ----- */
.btn-ghost {
  background: transparent;
  color: var(--link, #0b63f6);
  border-color: var(--border, rgba(0, 0, 0, 0.12));
}
.btn-ghost:hover {
  background: var(--pill-bg, rgba(0, 0, 0, 0.06));
}

/* ----- Dark mode refinement ----- */
@media (prefers-color-scheme: dark) {
  .btn-primary {
    background: linear-gradient(
      145deg,
      color-mix(in srgb, var(--link, #4d8eff) 80%, black),
      color-mix(in srgb, var(--brand-purple, #6a38c2) 70%, black)
    );
    box-shadow: 0 3px 10px rgba(11, 99, 246, 0.35);
  }

  .btn-ghost:hover {
    background: var(--pill-bg, rgba(255, 255, 255, 0.08));
  }
}

/* Horizontal alignment that wraps on small screens */
.actions {
  display: flex;
  flex-wrap: wrap; /* <-- prevents overlap */
  gap: 0.75rem 1rem; /* row-gap / column-gap */
  margin: 1.5rem 0;
  padding: 1rem;
  border-radius: 1rem;
}
.actions-left {
  justify-content: flex-start;
}

/* Optional: stack earlier on very small screens */
@media (max-width: 420px) {
  .btn {
    width: 100%;
    min-width: 0;
  } /* full-width buttons on tiny devices */
}

/* ---- Notices ------------------------------------------------------------- */
.notice {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.8rem 0.9rem;
  margin: 1rem 0;
  background: var(--ink-soft);
}

.notice.info {
  background: var(--notice-info-bg);
  border-color: var(--notice-info-border);
}

.notice.warn {
  background: var(--notice-warn-bg);
  border-color: var(--notice-warn-border);
}

.notice.ok {
  background: var(--notice-ok-bg);
  border-color: var(--notice-ok-border);
}

/* ---- Meta / Footer ------------------------------------------------------- */
.meta {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  align-items: center;
  margin-top: 0.5rem;
}

footer.page-foot {
  margin: 2rem 0 3rem;
  padding-top: 1rem;
  border-top: 1px dashed var(--border);
  color: var(--muted-text);
  font-size: 0.95rem;
}

/* ---- Table of contents (optional) --------------------------------------- */
.toc {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.8rem 1rem;
  background: var(--card);
}

.toc h3 {
  margin-top: 0.25rem;
  margin-bottom: 0.5rem;
}

.toc ul {
  margin: 0;
}
/* 2) Ensure readable text inside cards/notice, in both light/dark */
.card,
.card-bg,
.notice {
  background: var(--card);
  color: var(--text); /* force text color on light card bg */
}

/* 3) Notice background that adapts to theme without washing text */
.notice {
  border-left: 4px solid var(--ink);
  /* Mix with the page bg, not hardcoded #fff */
  background: color-mix(in oklab, var(--bg) 92%, var(--ink-soft));
}

/* ---- Accessibility helpers ---------------------------------------------- */
sr-only,
.sr-only {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ---- Print tweaks -------------------------------------------------------- */
@media print {
  .container {
    max-width: 100%;
    margin: 0;
    padding: 0;
  }

  a {
    text-decoration: underline;
  }

  .notice {
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }
}

/* ---- Brand tokens ------------------------------------------------------- */
:root {
  color-scheme: light dark;

  /* Base */
  --bg: #ffffff;
  --text: #0a0a0a;
  --muted-text: #5f6b77;
  --border: rgba(0, 0, 0, 0.12);
  --ink-soft: rgba(0, 0, 0, 0.04);
  --card: #ffffff;

  /* VoltPay brand */
  --brand: #26a96c; /* VoltPay Green */
  --brand-ink: #1f8b59; /* Hover/darkened */
  --brand-contrast: #0a0a0a; /* Text on brand surfaces (we keep dark for accessibility) */
  --accent: #0b63f6; /* keep as secondary/accent for links */

  /* Links */
  --link: var(--accent);
  --link-visited: #6a38c2;

  /* Pills / notices */
  --pill-bg: rgba(0, 0, 0, 0.06);
  --notice-info-bg: #eef5ff;
  --notice-info-border: #cfe1ff;
  --notice-warn-bg: #fff6e6;
  --notice-warn-border: #ffe0a6;
  --notice-ok-bg: #ecfbf0;
  --notice-ok-border: #c9f1d5;

  /* Layout helpers */
  --radius: 14px;
  --radius-sm: 10px;
  --shadow: 0 4px 18px rgba(0, 0, 0, 0.08);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0c0c0c;
    --text: #f6f7f8;
    --muted-text: #b9c0c7;
    --border: rgba(255, 255, 255, 0.16);
    --ink-soft: rgba(255, 255, 255, 0.06);
    --card: #121212;

    --brand: #26a96c; /* keep brand consistent in dark */
    --brand-ink: #5cd297; /* slight lift on hover in dark */
    --brand-contrast: #0b0b0b;

    --pill-bg: rgba(255, 255, 255, 0.08);
    --notice-info-bg: #0d1b2a;
    --notice-info-border: #1e3a5f;
    --notice-warn-bg: #2a1e0a;
    --notice-warn-border: #5a3c12;
    --notice-ok-bg: #0f2415;
    --notice-ok-border: #1d4d2a;
  }
}

/* ---- Nav / header --------------------------------------------------------- */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.875rem 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1.25rem;
}

/* Notice bar (optional) */
.notice-bar {
  display: grid;
  place-items: center;
  min-height: 36px;
  background: var(--notice-bg);
  color: var(--notice-fg);
  font-size: 0.95rem;
  padding: 4px 12px;
}

.notice-bar a {
  color: #fff;
  text-decoration: underline;
}

/* ===== Your NAV base (kept, with minor tweaks) ===== */
.nav {
  height: 50px;
  width: 100%;

  position: relative;
}

.nav > .nav-header {
  display: inline-flex;
  align-items: center;
  height: 50px;
}

.nav > .nav-header > .nav-title {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 20px;
  color: #fff;
  padding: 10px 8px;
  text-decoration: none;
}

.logo {
  display: inline-block;
  vertical-align: middle;
}

.nav > .nav-btn {
  display: none;
}

.nav > .nav-links {
  display: inline;
  float: right;
  font-size: 18px;
}

.nav > .nav-links > a {
  display: inline-block;
  padding: 13px 10px;
  text-decoration: none;
  color: #efefef;
  border-radius: 6px;
}

.nav > .nav-links > a:hover {
  background-color: rgba(0, 0, 0, 0.3);
}

.nav > #nav-check {
  display: none;
}

/* ===== Mobile ===== */
@media (max-width: 600px) {
  .nav > .nav-btn {
    display: inline-block;
    position: absolute;
    right: 0;
    top: 0;
  }

  .nav > .nav-btn > label {
    display: inline-block;
    width: 50px;
    height: 50px;
    padding: 13px;
    cursor: pointer;
  }

  /* 3 lines (hamburger) */
  .nav > .nav-btn > label > span {
    display: block;
    width: 24px;
    height: 0;
    border-top: 2px solid #eee;
    margin: 5px 0;
  }

  .nav > .nav-btn > label:hover,
  .nav #nav-check:checked ~ .nav-btn > label {
    background-color: rgba(0, 0, 0, 0.3);
  }

  .nav > .nav-links {
    position: absolute;
    display: block;
    width: 100%;
    background-color: var(--surface-2);
    height: 0;
    transition: all 0.3s ease-in;
    overflow-y: hidden;
    top: 50px;
    left: 0;
  }

  .nav > .nav-links > a {
    display: block;
    width: 100%;
    color: #efefef;
    padding: 14px 16px;
    border-radius: 0;
  }

  .nav > #nav-check:not(:checked) ~ .nav-links {
    height: 0;
  }

  .nav > #nav-check:checked ~ .nav-links {
    height: calc(100vh - 50px);
    overflow-y: auto;
  }
}

/* ---- Header / brand lockup --------------------------------------------- */
.brand-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.875rem 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1.25rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--text);
}

.brand:hover {
  text-decoration: none;
}

.brand .logo {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: inline-block;
}

.brand .wordmark {
  font-weight: 700;
  font-size: 2.05rem;
  letter-spacing: 0.2px;
}

/* Optional: slim top nav for future links */
.topnav {
  display: flex;
  gap: 1rem;
}
.topnav a {
  font-size: 0.95rem;
  color: var(--muted-text);
  text-decoration: none;
}
.topnav a:hover {
  color: var(--text);
}

/* ---- Hero / page header ------------------------------------------------- */
.page-head {
  margin: 1.25rem 0 1rem;
}
.header-sub {
  color: var(--muted-text);
  margin: 0.35rem 0 0;
  font-size: 0.95rem;
}

/* ---- Buttons ------------------------------------------------------------ */
.btn {
  appearance: none;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  padding: 0.7rem 1rem;
  border-radius: 999px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.04s ease, background 0.2s ease, border-color 0.2s ease;
}
.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background: var(--brand);
  color: var(--brand-contrast);
  border-color: transparent;
}
.btn-primary:hover {
  background: var(--brand-ink);
}

.btn-ghost {
  background: transparent;
}
.btn-ghost:hover {
  background: var(--ink-soft);
}

/* ---- Cards / sections --------------------------------------------------- */
.section {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem 1.15rem;
  background: var(--card);
  margin: 1rem 0;
  box-shadow: var(--shadow);
}
.section h2:first-child {
  margin-top: 0;
}

/* ---- Simple grid -------------------------------------------------------- */
.grid {
  display: grid;
  gap: 1rem;
}
.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
@media (max-width: 720px) {
  .grid-2 {
    grid-template-columns: 1fr;
  }
}

/* ---- Footer ------------------------------------------------------------- */
.page-foot {
  margin: 2rem 0 3rem;
  padding-top: 1rem;
  border-top: 1px dashed var(--border);
  color: var(--muted-text);
  font-size: 0.95rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

/* keep the rest of your reset/typography as-is */
/* ---- Typography --------------------------------------------------------- */
h1,
h2,
h3 {
  line-height: 1.25;
  margin: 1.25rem 0 0.5rem;
}
h1 {
  font-size: clamp(1.6rem, 2vw + 1rem, 2.2rem);
}
h2 {
  font-size: clamp(1.25rem, 1.2vw + 0.9rem, 1.5rem);
}
h3 {
  font-size: 1.1rem;
}
p,
ul,
ol {
  margin: 0.8rem 0;
}

ul,
ol {
  padding-left: 1.25rem;
}
small,
.muted {
  color: var(--muted-text);
}
/* ---- Links -------------------------------------------------------------- */
a {
  color: var(--link);
  text-decoration: none;
}

.security-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--badge-fg);
  background: var(--badge-bg);
  padding: 0.25rem 0.6rem;
  border-radius: 1rem;
  margin-left: 0.5rem;
  vertical-align: middle;
  transition: background 0.2s ease, color 0.2s ease;
}
.security-badge:hover {
  background: var(--badge-bg-hover);
}
.security-badge .lock-icon {
  width: 1rem;
  height: 1rem;
}

/* ---------- Responsive Grid ---------- */
.grid {
  display: grid;
  gap: 1.25rem;
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

/* ---------- Section + Card Structure ---------- */
.section {
  padding: 2rem 0;
}
.section-header {
  margin-bottom: 1rem;
}

.card {
  background: var(--surface, #fff);
  border: 1px solid var(--border, rgba(0, 0, 0, 0.12));
  border-radius: 1rem;
  padding: 1.5rem;
}

/* Headings and paragraphs inside grid */
#features h3 {
  margin: 0 0 0.5rem;
}
#features p {
  margin: 0;
  color: var(--muted-text, #555);
}

/* ---------- margin helpers ---------- */
.mb-1 {
  margin-bottom: 1rem !important;
}
.mb-2 {
  margin-bottom: 2rem !important;
}
.mb-3 {
  margin-bottom: 3rem !important;
}
.mb-4 {
  margin-bottom: 4rem !important;
}
.mt-1 {
  margin-top: 1rem !important;
}
.mt-2 {
  margin-top: 2rem !important;
}
.mt-3 {
  margin-top: 3rem !important;
}
.mt-4 {
  margin-top: 0.75rem !important;
}