/* ============================================
   MASTODON MOVING — shared styles
   Modern minimal, restrained typographic
   ============================================ */

:root {
  /* Forest greens (from brand PDF) */
  --g900: #112E1D;
  --g700: #2F4B3C;
  --g500: #4B6554;
  --g300: #6B8572;
  --mint: #B8D2B2;
  --cream: #F0EAE5;
  --cream-2: #E5DDD6;
  --white: #ffffff;
  --ink: #0c1c12;

  --nav-h: 72px;
  --maxw: 1320px;
  --pad-x: clamp(24px, 5vw, 72px);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  background: var(--g900);
}

body {
  font-family: 'Roboto', Helvetica, Arial, sans-serif;
  font-weight: 400;
  font-size: 17px;
  line-height: 1.55;
  color: var(--g900);
  background: var(--cream);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, video, svg { display: block; max-width: 100%; }
img { border-radius: 20px; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }

/* ─── Type scale ─── */
.eyebrow {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--g500);
}
.eyebrow.on-dark { color: var(--mint); }

.h-display {
  font-family: 'SohoProCond', 'SohoPro', sans-serif;
  font-weight: 700;
  font-size: clamp(56px, 8.5vw, 132px);
  line-height: 0.92;
  letter-spacing: -0.02em;
  text-transform: uppercase;
}
.h1 {
  font-family: 'SohoProCond', 'SohoPro', sans-serif;
  font-weight: 700;
  font-size: clamp(44px, 6.4vw, 96px);
  line-height: 0.95;
  letter-spacing: -0.015em;
  text-transform: uppercase;
}
.h2 {
  font-family: 'SohoProCond', 'SohoPro', sans-serif;
  font-weight: 700;
  font-size: clamp(34px, 4.6vw, 64px);
  line-height: 1.0;
  letter-spacing: -0.01em;
  text-transform: uppercase;
}
.h3 {
  font-family: 'SohoPro', sans-serif;
  font-weight: 500;
  font-size: clamp(20px, 1.8vw, 24px);
  line-height: 1.25;
  letter-spacing: 0.005em;
}
.lede {
  font-size: clamp(18px, 1.4vw, 22px);
  line-height: 1.5;
  color: var(--g700);
  text-wrap: pretty;
  max-width: 56ch;
}
.body { line-height: 1.6; color: var(--g700); text-wrap: pretty; max-width: 64ch; }

.on-dark { color: var(--cream); }
.on-dark .body, .body.on-dark { color: rgba(240,234,229,0.78); }

/* ─── Nav ─── */
.nav {

  position: fixed; top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--pad-x);
  background: var(--g900);
  color: var(--cream);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.nav > * { position: relative; z-index: 1; }
.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  height: 32px;
}
.nav-logo svg { height: 40px; width: auto; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-left: auto;
  margin-right: 20px;
}
.nav-links a {
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #ffffff;
  padding: 13px 20px;
  border-radius: 8px;
  position: relative;
  transition: color .2s;
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 20px;
  right: 20px;
  bottom: 6px;
  height: 2px;
  background: #CCDBC2;
  transform: scaleX(0);
  transform-origin: center;
  transition: transform .22s ease;
}
.nav-links a:hover::after { transform: scaleX(1); }
.nav-links a.active::after {
  transform: scaleX(1);
  left: 50%;
  right: auto;
  bottom: 4px;
  width: 26px;
  height: 5px;
  margin-left: -13px;
  border-radius: 999px;
  background: #CCDBC2;
}
.nav-links a.active { color: var(--cream); font-weight: 700; }
.nav-right {
  display: flex;
  align-items: center;
  gap: 20px;
}
.nav-divider {
  width: 1px;
  height: 26px;
  background: rgba(255,255,255,0.28);
  flex-shrink: 0;
}
.nav-phone {
  padding: 0 !important;
  border-radius: 0 !important;
  background: transparent !important;
  box-shadow: none !important;
  color: var(--cream) !important;
  font-weight: 700 !important;
  letter-spacing: 0.08em !important;
  font-size: 13px !important;
}
.nav-cta {
  background: var(--mint);
  color: var(--g900) !important;
  padding: 13px 24px;
  letter-spacing: 0.14em !important;
  text-transform: uppercase;
  font-weight: 700 !important;
  font-size: 13px !important;
  border-radius: 8px;
  box-shadow: 0 7px 18px rgba(17,46,29,0.3);
  transition: background .2s, box-shadow .2s;
}
.nav-cta:hover { background: var(--cream) !important; box-shadow: 0 12px 26px rgba(17,46,29,0.38); }

/* Floating quote-request button */
.float-quote {
  position: fixed;
  right: clamp(16px, 3vw, 32px);
  bottom: clamp(16px, 3vw, 32px);
  z-index: 900;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  background: #A33C1D;
  color: var(--cream) !important;
  font-family: 'SohoProCond', sans-serif;
  font-weight: 700;
  font-size: 12px;
  line-height: 1.35;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-align: center;
  text-decoration: none;
  padding: 14px 14px;
  border-radius: 16px;
  box-shadow: 0 12px 28px rgba(17,46,29,0.35), 0 3px 8px rgba(17,46,29,0.2);
  transition: background .2s, transform .2s, box-shadow .2s;
}
.float-quote img { width: 24px; height: auto; flex-shrink: 0; display: block; }
.float-quote:hover {
  background: #8A3117;
  transform: translateY(-2px);
  box-shadow: 0 20px 40px rgba(17,46,29,0.42), 0 4px 10px rgba(17,46,29,0.22);
}
@media (max-width: 640px) {
  .float-quote { padding: 11px 11px; font-size: 12px; }
}

.nav-mobile-toggle { display: none; }
.nav-drawer { display: none; }

@media (max-width: 880px) {
  .nav { padding: 0 20px; }
  .nav-logo svg { height: 30px; }
  .nav-links { display: none; }
  .nav-right { display: none; }
  .nav-mobile-toggle {
    display: flex; flex-direction: column; justify-content: center; gap: 5px;
    width: 44px; height: 44px; margin-right: -10px;
    align-items: flex-end;
    background: none; border: 0; padding: 0; cursor: pointer;
  }
  .nav-mobile-toggle span { display: block; width: 24px; height: 2px; background: var(--cream); transition: transform .25s ease, opacity .2s ease; }
  .nav-mobile-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-mobile-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .nav-mobile-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .nav-drawer {
    display: block;
    position: fixed; left: 0; right: 0; top: var(--nav-h);
    z-index: 49;
    background: var(--g900);
    border-bottom: 1px solid rgba(255,255,255,0.08);
    padding: 8px 20px 28px;
    transform: translateY(-12px);
    opacity: 0; visibility: hidden; pointer-events: none;
    transition: opacity .22s ease, transform .22s ease, visibility .22s;
    max-height: calc(100dvh - var(--nav-h)); overflow-y: auto;
  }
  .nav-drawer.open { opacity: 1; visibility: visible; transform: none; pointer-events: auto; }
  .nav-drawer a {
    display: block; padding: 13px 0;
    font-family: 'Roboto', Helvetica, Arial, sans-serif; font-weight: 500;
    font-size: 14px; line-height: 1; letter-spacing: 0.18em; text-transform: uppercase;
    color: var(--cream); border-bottom: 1px solid rgba(255,255,255,0.09);
  }
  .nav-drawer a.active { color: var(--mint); }
  .nav-drawer .drawer-phone {
    font-family: 'Roboto', Helvetica, Arial, sans-serif; font-size: 16px; font-weight: 700; letter-spacing: 0.08em;
    text-transform: none; border-bottom: 0; padding-top: 18px;
  }
  .nav-drawer .drawer-cta {
    margin-top: 10px; text-align: center; border-bottom: 0;
    background: var(--mint); color: var(--g900);
    border-radius: 8px; padding: 18px 0;
    font-family: 'Roboto', Helvetica, Arial, sans-serif; font-size: 13px; font-weight: 700;
    letter-spacing: 0.16em;
    box-shadow: 0 10px 24px rgba(0,0,0,0.3);
  }
}

main { padding-top: var(--nav-h); }

/* ─── Buttons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 20px 34px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  border-radius: 8px;
  box-shadow: 0 10px 24px rgba(17,46,29,0.26), 0 2px 5px rgba(17,46,29,0.18);
  transition: background .2s, color .2s, transform .2s, box-shadow .2s;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 18px 36px rgba(17,46,29,0.34), 0 3px 8px rgba(17,46,29,0.2); }
.btn:active { transform: translateY(0); box-shadow: 0 4px 10px rgba(17,46,29,0.26); }
.btn-primary { background: var(--mint); color: var(--g900); }
.btn-primary:hover { background: var(--cream); }
.btn-dark { background: var(--g900); color: var(--cream); }
.btn-dark:hover { background: var(--g700); }
.btn-ghost {
  background: transparent;
  color: var(--cream);
  border: 2px solid rgba(240,234,229,0.55);
  box-shadow: 0 8px 22px rgba(0,0,0,0.24);
}
.btn-ghost:hover { background: rgba(240,234,229,0.1); border-color: var(--cream); }
.btn-ghost.on-light {
  color: var(--g900);
  border-color: rgba(17,46,29,0.45);
}
.btn.cta-phone, .btn.btn-text, .btn.btn-link { box-shadow: none; }
.btn.cta-phone:hover, .btn.btn-text:hover, .btn.btn-link:hover { box-shadow: none; }
.btn-ghost.on-light:hover { background: rgba(17,46,29,0.04); border-color: var(--g900); }

.btn .arrow {
  display: inline-block;
  width: 16px;
  height: 1px;
  background: currentColor;
  position: relative;
  transition: width .2s;
}
.btn .arrow::after {
  content: '';
  position: absolute;
  right: 0;
  top: -3px;
  width: 7px;
  height: 7px;
  border-top: 1px solid currentColor;
  border-right: 1px solid currentColor;
  transform: rotate(45deg);
}
.btn:hover .arrow { width: 24px; }

/* ─── Sections ─── */
section { padding: clamp(72px, 10vw, 140px) var(--pad-x); }
.section-dark { background: var(--g900); color: var(--cream); }
.section-cream { background: var(--cream); color: var(--g900); }
.section-white { background: var(--white); color: var(--g900); }

.container { max-width: var(--maxw); margin: 0 auto; }

.rule {
  width: 40px;
  height: 2px;
  background: currentColor;
  margin-bottom: 22px;
  opacity: 0.85;
}
.rule.mint { background: var(--mint); opacity: 1; }

/* ─── Photo placeholders ─── */
.ph {
  position: relative;
  background: var(--g700);
  color: rgba(240,234,229,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Roboto', monospace;
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  overflow: hidden;
  border-radius: 20px;
}
.ph::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    135deg,
    transparent 0 14px,
    rgba(255,255,255,0.04) 14px 15px
  );
}
.ph-label {
  position: relative;
  z-index: 1;
  padding: 8px 14px;
  border: 1px solid rgba(240,234,229,0.25);
  background: rgba(17,46,29,0.5);
  backdrop-filter: blur(2px);
}
.ph.light {
  background: var(--cream-2);
  color: var(--g500);
}
.ph.light::before {
  background: repeating-linear-gradient(
    135deg,
    transparent 0 14px,
    rgba(17,46,29,0.05) 14px 15px
  );
}
.ph.light .ph-label {
  border-color: rgba(17,46,29,0.18);
  background: rgba(240,234,229,0.7);
  color: var(--g700);
}

/* ─── Footer ─── */
footer.site-footer {
  position: relative;
  background: var(--g900) url('forest-bg.jpg') center bottom / cover no-repeat;
  color: var(--cream);
  padding: 120px var(--pad-x) 32px;
  border-top: 1px solid rgba(184,210,178,0.1);
  isolation: isolate;
}
footer.site-footer::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(17,46,29,0.22);
  z-index: -1;
}
.footer-grid {
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 56px;
  border-bottom: 1px solid rgba(240,234,229,0.1);
}
.footer-grid h4 {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--mint);
  margin-bottom: 20px;
}
.footer-grid ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-grid a:hover { color: var(--cream); }
.footer-grid p { font-size: 14px; line-height: 1.6; }
.footer-grid .footer-brand {
  font-family: 'SohoProCond', sans-serif;
  font-size: 28px;
  line-height: 0.95;
  letter-spacing: 0.04em;
  color: var(--cream);
  text-transform: uppercase;
  margin-bottom: 14px;
}
.footer-bottom {
  max-width: var(--maxw);
  margin: 0 auto;
  padding-top: 28px;
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(240,234,229,0.4);
}
@media (max-width: 880px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-bottom { flex-direction: column; gap: 8px; }
}

/* ─── Reveal on scroll ─── */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .9s ease, transform .9s ease;
}
.reveal.in {
  opacity: 1;
  transform: translateY(0);
}

/* ─── Hairline divider row ─── */
.hairline {
  height: 1px;
  background: rgba(17,46,29,0.12);
}
.section-dark .hairline { background: rgba(240,234,229,0.1); }

/* ─── Form ─── */
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-bottom: 18px; }
.form-row.full { grid-template-columns: 1fr; }
.field label {
  display: block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--mint);
  margin-bottom: 8px;
}
.field input, .field select, .field textarea {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid rgba(240,234,229,0.25);
  color: var(--cream);
  font-family: inherit;
  font-size: 16px;
  padding: 10px 0;
  outline: none;
  transition: border-color .2s;
}
.field input::placeholder, .field textarea::placeholder { color: rgba(240,234,229,0.3); }
.field input:focus, .field textarea:focus, .field select:focus { border-color: var(--mint); }
.field textarea { resize: vertical; min-height: 100px; }

/* ─── Responsive utilities ─── */
@media (max-width: 880px) {
  .form-row { grid-template-columns: 1fr; }
}

/* ─── Mobile: heroes & type ─── */
@media (max-width: 700px) {
  .page-hero, .about-hero, .contact-hero {
    padding: calc(var(--nav-h) + 8px) var(--pad-x) 36px !important;
  }
  .page-hero .lede, .about-hero .lede, .contact-hero .lede { margin-top: 22px !important; }
  .h-display { font-size: clamp(40px, 12vw, 60px); }
  .h1 { font-size: clamp(36px, 11vw, 52px); }
  .h2 { font-size: clamp(30px, 8.6vw, 44px); }
  .lede { font-size: 17px; }
  section { padding-left: 20px; padding-right: 20px; }
}
@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; }
}
@media (max-width: 420px) {
  .h-display { font-size: 40px; }
}

/* ===== Blog ===== */
.blog-hero { position: relative; isolation: isolate; overflow: hidden; background: var(--g900); color: var(--cream); padding: 96px var(--pad-x) 72px; }
.blog-hero .container { padding: 0; }
.blog-hero .lede { color: var(--cream); margin-top: 24px; max-width: 46ch; }
.blog-hero .lede a { color: var(--mint); text-decoration: underline; }
.blog-hero .hero-bg { position: absolute; inset: 0; z-index: -1; }
.blog-hero .hero-bg img { width: 100%; height: 100%; object-fit: cover; border-radius: 0; }
.blog-hero .hero-bg::after { content: ''; position: absolute; inset: 0; background: color-mix(in oklab, var(--g900) 70%, transparent); }
.post-hero .post-title { font-size: clamp(36px, 5vw, 68px); line-height: 1.02; max-width: 20ch; margin-top: 10px; }
.post-hero time, .blog-card time { font-size: 13px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; }
.post-hero time { display: block; color: var(--mint); margin-top: 28px; }
.post-back { color: var(--cream); font-size: 14px; letter-spacing: .08em; text-transform: uppercase; opacity: .85; }
.post-back:hover { opacity: 1; color: var(--mint); }
.blog-list { background: var(--cream); padding: 72px var(--pad-x) 96px; }
.blog-list .container { padding: 0; }
.blog-topics { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 44px; }
.blog-topics-label { font-size: 13px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--g500); margin-right: 8px; }
.blog-topics a { font-size: 14px; padding: 7px 14px; border: 1px solid var(--g300); border-radius: 999px; color: var(--g900); text-transform: capitalize; transition: background .2s, color .2s, border-color .2s; }
.blog-topics a:hover { border-color: var(--g900); }
.blog-topics a.on { background: var(--g900); border-color: var(--g900); color: var(--cream); }
.post-topics { margin: 28px 0 0; }
.post-topics a { color: var(--cream); border-color: color-mix(in oklab, var(--cream) 45%, transparent); }
.post-topics a:hover { border-color: var(--mint); color: var(--mint); }
.blog-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px; }
.blog-card { display: flex; flex-direction: column; background: var(--white); border: 1px solid var(--cream-2); border-radius: 6px; overflow: hidden; color: var(--g900); transition: transform .25s ease, border-color .25s ease; }
.blog-card:hover { transform: translateY(-3px); border-color: var(--g300); }
.blog-card-img { aspect-ratio: 16 / 10; background: var(--g700); display: flex; align-items: center; justify-content: center; overflow: hidden; }
.blog-card-img img { width: 100%; height: 100%; object-fit: cover; border-radius: 0; }
.blog-card-img img.blog-card-mark { width: 30%; height: auto; object-fit: contain; opacity: .5; }
.blog-card-body { display: flex; flex-direction: column; flex: 1; padding: 24px 24px 26px; }
.blog-card time { color: var(--g500); }
.blog-card h2 { font-family: 'SohoProCond', 'SohoPro', sans-serif; font-size: 26px; line-height: 1.08; margin: 10px 0 12px; text-transform: none; }
.blog-card p { font-size: 16px; line-height: 1.55; color: var(--g700); margin: 0 0 18px; }
.blog-card .arrow-link { margin-top: auto; font-weight: 700; font-size: 14px; letter-spacing: .08em; text-transform: uppercase; }
.blog-card .arrow-link::after { content: ' →'; display: inline-block; transition: transform .2s; }
.blog-card:hover .arrow-link::after { transform: translateX(4px); }
.blog-pager { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-top: 56px; }
.blog-pager a { min-width: 40px; height: 40px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--g300); border-radius: 6px; color: var(--g900); font-weight: 700; }
.blog-pager a.on, .blog-pager a:hover { background: var(--g900); color: var(--cream); border-color: var(--g900); }
.post-body { background: var(--cream); padding: 72px var(--pad-x) 40px; }
.post-prose { max-width: 740px; margin: 0 auto; color: var(--g900); font-size: 18px; line-height: 1.7; }
.post-prose p, .post-prose ul, .post-prose ol { margin: 0 0 1.2em; }
.post-prose ul, .post-prose ol { padding-left: 1.4em; }
.post-prose ul { list-style: disc; } .post-prose ol { list-style: decimal; }
.post-prose li { margin-bottom: .4em; }
.post-prose h2, .post-prose h3, .post-prose h4 { font-family: 'SohoProCond', 'SohoPro', sans-serif; line-height: 1.1; margin: 1.6em 0 .55em; text-transform: none; }
.post-prose h2 { font-size: 34px; } .post-prose h3 { font-size: 28px; } .post-prose h4 { font-size: 22px; }
.post-prose a { color: var(--g700); text-decoration: underline; text-underline-offset: 3px; }
.post-prose a:hover { color: var(--g900); }
.post-prose img { max-width: 100%; height: auto; border-radius: 6px; margin: 1em 0; display: block; }
.post-prose blockquote { border-left: 3px solid var(--g300); padding-left: 20px; font-style: italic; margin: 1.4em 0; }
.post-cta { max-width: 740px; margin: 56px auto 0; padding: 36px; border: 1px solid var(--g900); border-radius: 6px; background: var(--white); }
.post-cta h3 { font-family: 'SohoProCond', 'SohoPro', sans-serif; font-size: 30px; margin: 0 0 8px; }
.post-cta p { margin: 0 0 20px; color: var(--g700); }
.post-more .h2 { margin-bottom: 36px; }
@media (max-width: 980px) { .blog-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) {
  .blog-grid { grid-template-columns: 1fr; }
  .blog-hero { padding: 56px var(--pad-x) 48px; }
  .blog-list, .post-body { padding-top: 48px; }
  .post-prose { font-size: 17px; }
}

/* Helpful Tips resource grid */
.tips-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.tip-card { display: flex; flex-direction: column; gap: 12px; padding: 30px 28px 26px; background: var(--white); border: 1px solid var(--cream-2); border-top: 3px solid var(--g900); border-radius: 6px; color: var(--g900); transition: transform .25s ease, border-color .25s ease; }
.tip-card:hover { transform: translateY(-3px); border-color: var(--g300); border-top-color: var(--g900); }
.tip-num { font-size: 13px; font-weight: 700; letter-spacing: .14em; opacity: .6; }
.tip-card h2 { font-family: 'SohoProCond', sans-serif; font-weight: 700; font-size: 26px; line-height: 1.08; text-transform: uppercase; margin: 0; }
.tip-card p { font-size: 16px; line-height: 1.55; margin: 0; }
.tip-card .arrow-link { margin-top: auto; padding-top: 8px; }
@media (max-width: 980px) { .tips-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) { .tips-grid { grid-template-columns: 1fr; } }