/* ============================================================
   Soufflit — Design System partagé
   Extrait de landing.html, applicable à toutes les pages.
   Lens Emil Kowalski : warm-craft, Instrument Serif + Sans
   ============================================================ */

:root {
  /* Palette éditoriale warm-craft */
  --bg: #F7F3EB;
  --bg-alt: #EDE6D6;
  --bg-card: #FFFFFF;
  --bg-deep: #1C1B1A;

  --ink: #1C1B1A;
  --ink-soft: #4A4745;
  --ink-mute: #807C78;
  --ink-reverse: #F7F3EB;

  --accent: #6E56CF;
  --accent-soft: #E8E1FA;
  --accent-dark: #4F3CB0;

  --coral: #E65A4E;
  --coral-soft: #FBDDD8;
  --mint: #4FBF8B;
  --mint-soft: #D6F3E4;
  --amber: #E8A94B;
  --amber-soft: #FAEDD0;

  --line: rgba(28, 27, 26, 0.10);
  --line-soft: rgba(28, 27, 26, 0.05);
  --line-strong: rgba(28, 27, 26, 0.20);

  --r-sm: 10px;
  --r-md: 18px;
  --r-lg: 28px;
  --r-pill: 999px;

  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --ease-in-out: cubic-bezier(0.77, 0, 0.175, 1);

  --d-press: 120ms;
  --d-fast: 200ms;
  --d-normal: 260ms;
  --d-slow: 400ms;
  --d-reveal: 700ms;

  --font-display: 'Instrument Serif', Georgia, 'Times New Roman', serif;
  --font-body: 'Instrument Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', ui-monospace, monospace;

  --shadow-sm: 0 1px 2px rgba(28,27,26,0.04), 0 4px 12px rgba(28,27,26,0.04);
  --shadow-md: 0 2px 8px rgba(28,27,26,0.06), 0 14px 40px rgba(28,27,26,0.08);
  --shadow-lg: 0 4px 20px rgba(28,27,26,0.10), 0 30px 80px rgba(28,27,26,0.12);
  --shadow-accent: 0 14px 50px rgba(110,86,207,0.30);
  --shadow-coral: 0 14px 50px rgba(230,90,78,0.26);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

body::before {
  content: '';
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 1;
  opacity: 0.35;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 240 240' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.92' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.08 0'/%3E%3C/filter%3E%3Crect width='240' height='240' filter='url(%23n)'/%3E%3C/svg%3E");
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    animation-delay: 0ms !important;
    transition-duration: 0.01ms !important;
  }
}

a { color: inherit; text-decoration: none; transition: color var(--d-fast) var(--ease-out); }
@media (hover: hover) and (pointer: fine) { a:hover { color: var(--accent); } }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; font-family: var(--font-body); }

/* ============================ TYPOGRAPHY */
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 400; letter-spacing: -0.015em; line-height: 1.05; }
h1 { font-size: clamp(2.6rem, 6vw, 4.8rem); }
h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.6rem); }
h4 { font-size: 1.15rem; }
p { color: var(--ink-soft); }
em, .italic-soft { font-style: italic; font-family: var(--font-display); color: var(--accent); font-weight: 400; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 3vw, 2.5rem);
  position: relative;
  z-index: 2;
  width: 100%;
}

.container--narrow { max-width: 760px; }
.container--medium { max-width: 920px; }

/* ============================ NAV */
header.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(247, 243, 235, 0.82);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--line-soft);
}
.nav__inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px clamp(1.25rem, 3vw, 2.5rem);
  max-width: 1200px; margin: 0 auto;
  gap: 1rem;
}
.logo {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-display); font-size: 1.45rem;
  font-style: italic; letter-spacing: -0.02em;
  transition: color var(--d-fast) var(--ease-out);
  text-decoration: none; color: inherit;
}
.logo__mark {
  width: 36px; height: 36px;
  border-radius: 9px;
  display: block;
  box-shadow: 0 4px 12px rgba(110, 86, 207, 0.28);
  transition: transform var(--d-press) var(--ease-out);
}
.logo:hover .logo__mark { transform: scale(1.04); }

.nav__links {
  display: none;
  gap: 1.8rem;
  align-items: center;
  font-size: 0.93rem;
  color: var(--ink-soft);
}
.nav__links a { transition: color var(--d-fast) var(--ease-out); }
@media (min-width: 720px) {
  .nav__links { display: inline-flex; }
}

.nav__cta {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 22px; border-radius: var(--r-pill);
  background: var(--ink); color: var(--ink-reverse);
  font-weight: 500; font-size: 0.93rem;
  transition: transform var(--d-press) var(--ease-out),
              background var(--d-fast) var(--ease-out);
}
.nav__cta:active { transform: scale(0.97); background: var(--accent); }
@media (hover: hover) and (pointer: fine) {
  .nav__cta:hover { background: var(--accent); color: #fff; }
}

.nav__ghost {
  font-size: 0.93rem; color: var(--ink-soft);
  padding: 11px 18px; border-radius: var(--r-pill);
  transition: all var(--d-fast) var(--ease-out);
}
.nav__ghost:hover { background: var(--bg-alt); color: var(--ink); }

/* ============================ BUTTONS */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 16px 30px; border-radius: var(--r-pill);
  font-weight: 500; font-size: 1rem;
  font-family: var(--font-body);
  transition: transform var(--d-press) var(--ease-out),
              background var(--d-fast) var(--ease-out),
              box-shadow var(--d-fast) var(--ease-out),
              color var(--d-fast) var(--ease-out),
              border-color var(--d-fast) var(--ease-out);
  position: relative;
  overflow: hidden;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
}
.btn--primary {
  background: var(--ink); color: var(--ink-reverse);
  box-shadow: var(--shadow-md);
}
.btn--primary::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
  opacity: 0; transition: opacity var(--d-fast) var(--ease-out);
}
.btn--primary span, .btn--primary svg { position: relative; z-index: 1; }
.btn--primary:active { transform: scale(0.97); }
@media (hover: hover) and (pointer: fine) {
  .btn--primary:hover { box-shadow: var(--shadow-accent); color: var(--ink-reverse); }
  .btn--primary:hover::before { opacity: 1; }
}

.btn--ghost {
  background: transparent; color: var(--ink); border: 1px solid var(--line-strong);
}
.btn--ghost:active { transform: scale(0.97); background: var(--bg-alt); }
@media (hover: hover) and (pointer: fine) {
  .btn--ghost:hover { border-color: var(--ink); background: var(--bg-alt); color: var(--ink); }
}

.btn--accent {
  background: var(--accent); color: #fff;
  box-shadow: var(--shadow-accent);
}
.btn--accent:active { transform: scale(0.97); }
@media (hover: hover) and (pointer: fine) {
  .btn--accent:hover { background: var(--accent-dark); color: #fff; }
}

.btn--coral {
  background: var(--coral); color: #fff;
  box-shadow: var(--shadow-coral);
}
.btn--coral:active { transform: scale(0.97); }
@media (hover: hover) and (pointer: fine) {
  .btn--coral:hover { background: #C8473C; color: #fff; }
}

.btn--block { width: 100%; }
.btn--small { padding: 10px 20px; font-size: 0.9rem; }
.btn--large { padding: 20px 36px; font-size: 1.05rem; }

/* ============================ FORMS */
.field {
  display: flex; flex-direction: column; gap: 6px;
  margin-bottom: 1.1rem;
}
.field label {
  font-size: 0.85rem;
  color: var(--ink-soft);
  font-weight: 500;
}
.field input,
.field textarea,
.field select {
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 14px 16px;
  border-radius: var(--r-sm);
  border: 1px solid var(--line-strong);
  background: var(--bg-card);
  color: var(--ink);
  transition: border-color var(--d-fast) var(--ease-out),
              box-shadow var(--d-fast) var(--ease-out);
  width: 100%;
}
.field input:focus,
.field textarea:focus,
.field select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.field textarea { min-height: 120px; resize: vertical; }
.field__hint { font-size: 0.8rem; color: var(--ink-mute); }
.field__error { font-size: 0.82rem; color: var(--coral); }

.checkbox {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: 0.9rem; color: var(--ink-soft); line-height: 1.5;
  cursor: pointer;
  user-select: none;
}
.checkbox input { margin-top: 3px; accent-color: var(--accent); }

/* ============================ CARD / SECTION */
.card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: clamp(1.5rem, 3vw, 2.25rem);
  box-shadow: var(--shadow-sm);
}
.card--accent { border-color: var(--accent-soft); box-shadow: var(--shadow-md); }

.section {
  padding: clamp(3rem, 7vw, 5.5rem) 0;
  position: relative;
}
.section--alt { background: var(--bg-alt); }

.section__header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto clamp(2rem, 4vw, 3.5rem);
}
.section__header h1,
.section__header h2 { margin: 0.6rem auto 1rem; }
.section__header p { font-size: 1.05rem; color: var(--ink-soft); }

/* ============================ PAGE HEADER (titre haut de page) */
.page-header {
  padding: clamp(3.5rem, 8vw, 6rem) 0 clamp(2rem, 4vw, 3rem);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-header::before {
  content: '';
  position: absolute;
  top: -30%; right: -20%;
  width: 500px; height: 500px;
  background: radial-gradient(ellipse at center, var(--accent-soft) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}
.page-header::after {
  content: '';
  position: absolute;
  bottom: -40%; left: -15%;
  width: 400px; height: 400px;
  background: radial-gradient(ellipse at center, var(--coral-soft) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}
.page-header .eyebrow {
  display: inline-block;
  margin-bottom: 1.25rem;
}
.page-header h1 {
  font-size: clamp(2.4rem, 5.5vw, 4rem);
  margin-bottom: 1rem;
}
.page-header p {
  max-width: 580px; margin: 0 auto;
  font-size: 1.1rem;
  color: var(--ink-soft);
}

/* ============================ PROSE (texte juridique long) */
.prose {
  max-width: 720px;
  margin: 0 auto;
  padding: clamp(2rem, 4vw, 3.5rem) 0;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--ink-soft);
}
.prose h2 {
  font-size: 1.7rem;
  color: var(--ink);
  margin-top: 2.5rem;
  margin-bottom: 1rem;
}
.prose h2:first-child { margin-top: 0; }
.prose h3 {
  font-size: 1.25rem;
  color: var(--ink);
  margin-top: 1.8rem;
  margin-bottom: 0.6rem;
}
.prose p { margin-bottom: 1rem; }
.prose ul, .prose ol {
  margin: 0 0 1.2rem 1.4rem;
}
.prose li { margin-bottom: 0.4rem; }
.prose a { color: var(--accent); text-decoration: underline; text-decoration-color: var(--accent-soft); text-underline-offset: 3px; }
.prose a:hover { text-decoration-color: var(--accent); }
.prose strong { color: var(--ink); font-weight: 600; }
.prose hr { border: 0; border-top: 1px solid var(--line); margin: 2.5rem 0; }
.prose .meta {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-mute);
  letter-spacing: 0.06em;
  margin-bottom: 1.5rem;
}
.prose blockquote {
  border-left: 3px solid var(--accent);
  padding: 0.5rem 0 0.5rem 1.2rem;
  margin: 1.4rem 0;
  font-style: italic;
  color: var(--ink-soft);
}

/* ============================ ALERT / NOTICE */
.notice {
  display: flex;
  gap: 14px;
  padding: 16px 20px;
  border-radius: var(--r-md);
  background: var(--accent-soft);
  border: 1px solid rgba(110, 86, 207, 0.18);
  color: var(--accent-dark);
  font-size: 0.95rem;
  margin: 1.2rem 0;
}
.notice--coral { background: var(--coral-soft); color: var(--coral); border-color: rgba(230, 90, 78, 0.2); }
.notice--mint { background: var(--mint-soft); color: #1F6B43; border-color: rgba(79, 191, 139, 0.2); }
.notice--amber { background: var(--amber-soft); color: #8A5C0F; border-color: rgba(232, 169, 75, 0.2); }
.notice strong { font-weight: 600; color: inherit; }
.notice__icon {
  flex: 0 0 24px;
  width: 24px; height: 24px;
  display: inline-flex;
  align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.1rem;
  margin-top: -2px;
}

/* ============================ AUTH LAYOUT */
.auth-layout {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(2rem, 5vw, 4rem) 1.25rem;
  position: relative;
  overflow: hidden;
}
.auth-layout::before {
  content: '';
  position: absolute;
  top: -20%; left: -20%;
  width: 600px; height: 600px;
  background: radial-gradient(ellipse at center, var(--accent-soft) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}
.auth-layout::after {
  content: '';
  position: absolute;
  bottom: -20%; right: -20%;
  width: 500px; height: 500px;
  background: radial-gradient(ellipse at center, var(--coral-soft) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}
.auth-card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: clamp(2rem, 4vw, 3rem);
  box-shadow: var(--shadow-md);
  width: 100%;
  max-width: 460px;
  position: relative;
  z-index: 2;
}
.auth-card__header {
  text-align: center;
  margin-bottom: 2rem;
}
.auth-card__header h1 {
  font-size: clamp(1.8rem, 3vw, 2.2rem);
  margin-bottom: 0.5rem;
}
.auth-card__header p {
  color: var(--ink-soft);
  font-size: 0.95rem;
}
.auth-card__footer {
  margin-top: 1.5rem;
  text-align: center;
  font-size: 0.9rem;
  color: var(--ink-mute);
}
.auth-card__footer a { color: var(--accent); }
.auth-card__divider {
  display: flex; align-items: center; gap: 12px;
  margin: 1.5rem 0;
  color: var(--ink-mute); font-size: 0.85rem;
}
.auth-card__divider::before,
.auth-card__divider::after {
  content: ''; flex: 1; height: 1px; background: var(--line);
}

/* ============================ DASHBOARD LAYOUT */
.dash {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}
@media (min-width: 900px) {
  .dash { grid-template-columns: 240px 1fr; }
}
.dash__sidebar {
  background: var(--bg-card);
  border-right: 1px solid var(--line);
  padding: 1.5rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.dash__sidebar .eyebrow {
  padding: 0 12px;
  margin-bottom: 0.75rem;
}
.dash__nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: var(--r-sm);
  font-size: 0.95rem;
  color: var(--ink-soft);
  transition: all var(--d-fast) var(--ease-out);
}
.dash__nav-item:hover {
  background: var(--bg-alt);
  color: var(--ink);
}
.dash__nav-item.is-active {
  background: var(--accent-soft);
  color: var(--accent-dark);
  font-weight: 500;
}
.dash__nav-item svg { width: 18px; height: 18px; flex-shrink: 0; }

.dash__main {
  padding: clamp(1.5rem, 4vw, 3rem);
  max-width: 880px;
  width: 100%;
}
.dash__title {
  display: flex; align-items: baseline; justify-content: space-between;
  flex-wrap: wrap; gap: 1rem;
  margin-bottom: 2rem;
}
.dash__title h1 { font-size: clamp(2rem, 4vw, 2.6rem); }
.dash__title p { color: var(--ink-soft); font-size: 0.95rem; }

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}
.stat {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 1.25rem 1.5rem;
}
.stat__label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink-mute);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.6rem;
}
.stat__value {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--ink);
  line-height: 1;
}
.stat__sub {
  font-size: 0.85rem;
  color: var(--ink-soft);
  margin-top: 0.4rem;
}

/* ============================ TABLE */
.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.93rem;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
}
.table th, .table td {
  padding: 14px 18px;
  text-align: left;
  border-bottom: 1px solid var(--line-soft);
}
.table th {
  font-weight: 500;
  color: var(--ink-soft);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: var(--bg);
}
.table tr:last-child td { border-bottom: 0; }
.table a { color: var(--accent); }

.badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 3px 10px; border-radius: var(--r-pill);
  font-size: 0.78rem;
  font-weight: 500;
  background: var(--accent-soft);
  color: var(--accent-dark);
}
.badge--mint { background: var(--mint-soft); color: #1F6B43; }
.badge--coral { background: var(--coral-soft); color: var(--coral); }
.badge--amber { background: var(--amber-soft); color: #8A5C0F; }
.badge--neutral { background: var(--bg-alt); color: var(--ink-soft); }

/* ============================ PRICING (sur signup/upgrade) */
.plan-card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 2rem;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: transform var(--d-normal) var(--ease-out),
              box-shadow var(--d-normal) var(--ease-out),
              border-color var(--d-normal) var(--ease-out);
}
.plan-card--featured {
  border-color: var(--accent);
  box-shadow: var(--shadow-accent);
}
.plan-card__badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  padding: 4px 14px;
  border-radius: var(--r-pill);
  background: var(--accent);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 500;
  font-family: var(--font-body);
  letter-spacing: 0.04em;
}
.plan-card h3 {
  font-size: 1.6rem;
}
.plan-card__price {
  display: flex; align-items: baseline; gap: 4px;
  font-family: var(--font-display);
}
.plan-card__price strong {
  font-weight: 400;
  font-size: 3rem;
  line-height: 1;
}
.plan-card__price small {
  color: var(--ink-mute);
  font-size: 1rem;
  font-family: var(--font-body);
}
.plan-card ul {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.plan-card ul li {
  font-size: 0.95rem;
  color: var(--ink-soft);
  padding-left: 24px;
  position: relative;
}
.plan-card ul li::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 1px;
  color: var(--accent);
  font-weight: 600;
}

/* ============================ FOOTER */
footer {
  background: var(--bg-deep);
  color: var(--ink-reverse);
  padding: 3rem 0 2.5rem;
  margin-top: auto;
  position: relative;
  z-index: 2;
}
footer .container {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}
@media (min-width: 700px) {
  footer .container {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}
footer .footer__brand {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: rgba(247, 243, 235, 0.5);
}
footer .footer__brand .logo {
  color: var(--ink-reverse);
  font-size: 1.2rem;
}
footer nav {
  display: flex;
  gap: 1.6rem;
  flex-wrap: wrap;
  font-size: 0.92rem;
}
footer nav a {
  color: rgba(247, 243, 235, 0.55);
  transition: color var(--d-fast) var(--ease-out);
}
@media (hover: hover) and (pointer: fine) {
  footer nav a:hover { color: var(--bg); }
}

/* ============================ UTILITIES */
.text-center { text-align: center; }
.text-mute { color: var(--ink-mute); }
.text-soft { color: var(--ink-soft); }
.text-accent { color: var(--accent); }
.text-coral { color: var(--coral); }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.divider {
  height: 1px;
  background: var(--line);
  border: 0;
  margin: 2rem 0;
}

.row {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: center;
}
.row--end { justify-content: flex-end; }
.row--between { justify-content: space-between; }

.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
@media (min-width: 700px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
}

.grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
@media (min-width: 700px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
}

main {
  position: relative;
  z-index: 2;
  flex: 1;
}