/* ==========================================================================
   Ek Patr Ram Ke Naam — campaign styles
   Palette: ivory paper, deep maroon night, temple gold, saffron
   ========================================================================== */
:root {
  --ivory: #FBF6EC;
  --paper: #F4ECDD;
  --stone: #E7D9C2;
  --line: #DCC9A6;
  --ink: #2B1A14;
  --ink-soft: #5B4636;
  --maroon: #4A1218;
  --maroon-deep: #2E0A10;
  --plum: #3A1430;
  --gold: #C29A55;
  --gold-text: #8A5A12;
  --gold-light: #E6C98F;
  --saffron: #E2671B;
  --on-dark: #F6EAD3;
  --on-dark-soft: #D9C4A3;
  --radius: 4px;
  --wrap: 1180px;
  --serif-hi: "Tiro Devanagari Hindi", "Cormorant Garamond", Georgia, serif;
  --serif-en: "Cormorant Garamond", "Tiro Devanagari Hindi", Georgia, serif;
  --sans: "Mukta", "Segoe UI", system-ui, sans-serif;
  --shadow: 0 18px 40px -22px rgba(46, 10, 16, .45);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--sans);
  font-size: 18px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--ivory);
  overflow-x: hidden;
}
img, video { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3 { font-family: var(--serif-hi); font-weight: 400; line-height: 1.25; margin: 0; }
p { margin: 0 0 1em; }
.wrap { width: min(var(--wrap), 100% - 40px); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
[hidden] { display: none !important; }
:focus-visible { outline: 2px solid var(--saffron); outline-offset: 3px; }

/* ---------- Eyebrow, ornament, buttons ---------- */
.eyebrow {
  font-family: var(--serif-en);
  font-size: 15px;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--gold-text);
  margin: 0 0 14px;
}
.on-dark .eyebrow { color: var(--gold-light); }
.ornament {
  display: flex; align-items: center; justify-content: center; gap: 14px;
  color: var(--gold); margin: 18px auto;
}
.ornament::before, .ornament::after {
  content: ""; height: 1px; width: min(120px, 22vw);
  background: linear-gradient(90deg, transparent, currentColor);
}
.ornament::after { transform: scaleX(-1); }
.ornament svg { width: 18px; height: 18px; }
.ornament.left { justify-content: flex-start; }
.ornament.left::before { display: none; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 52px; padding: 12px 26px;
  font-family: var(--sans); font-size: 17px; font-weight: 600; letter-spacing: .02em;
  text-decoration: none; border-radius: var(--radius); cursor: pointer;
  border: 1px solid transparent; transition: transform .2s, background .2s, color .2s, box-shadow .2s;
}
.btn small { display: block; font-size: 12px; font-weight: 500; letter-spacing: .14em; text-transform: uppercase; opacity: .85; }
.btn .btn-text { display: flex; flex-direction: column; line-height: 1.2; text-align: left; }
.btn svg { width: 22px; height: 22px; flex: none; }
.btn-primary { background: var(--maroon); color: var(--on-dark); border-color: var(--gold); box-shadow: var(--shadow); }
.btn-primary:hover { background: var(--maroon-deep); transform: translateY(-2px); }
.btn-outline { background: transparent; color: var(--maroon); border-color: var(--gold); }
.btn-outline:hover { background: var(--paper); transform: translateY(-2px); }
.on-dark .btn-outline { color: var(--on-dark); border-color: var(--gold-light); }
.on-dark .btn-outline:hover { background: rgba(255,255,255,.06); }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(251, 246, 236, .92);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(194, 154, 85, .35);
}
.nav { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 72px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.brand img { height: 40px; width: auto; }
.brand-text { font-family: var(--serif-en); font-size: 15px; letter-spacing: .22em; text-transform: uppercase; color: var(--maroon); line-height: 1.2; }
.brand-text span { display: block; font-family: var(--serif-hi); letter-spacing: 0; text-transform: none; font-size: 17px; }
.nav-links { display: flex; align-items: center; gap: 26px; list-style: none; margin: 0; padding: 0; }
.nav-links a { text-decoration: none; font-size: 16px; color: var(--ink-soft); padding: 6px 0; border-bottom: 1px solid transparent; }
.nav-links a:hover { color: var(--maroon); border-color: var(--gold); }
.nav-cta { padding: 8px 18px !important; border: 1px solid var(--gold) !important; border-radius: var(--radius); color: var(--maroon) !important; font-weight: 600; }
.nav-toggle { display: none; background: none; border: 1px solid var(--line); border-radius: var(--radius); width: 46px; height: 46px; cursor: pointer; color: var(--maroon); }
.nav-toggle svg { width: 22px; height: 22px; margin: auto; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(255,255,255,.9), transparent 60%),
    linear-gradient(180deg, #FBF6EC 0%, #F3E8D4 100%);
  overflow: hidden;
}
.hero-grid {
  display: grid; grid-template-columns: 1fr 1.6fr 1fr; gap: 36px; align-items: end;
  padding: 56px 0 0;
}
.arch {
  position: relative; border-radius: 999px 999px 0 0; overflow: hidden;
  border: 1px solid var(--line); box-shadow: var(--shadow);
  aspect-ratio: 9 / 15; background: var(--stone);
}
.arch img, .arch video { width: 100%; height: 100%; object-fit: cover; }
.arch::after {
  content: ""; position: absolute; inset: 10px; border-radius: 999px 999px 0 0;
  border: 1px solid rgba(255, 246, 229, .55); pointer-events: none;
}
.hero-copy { text-align: center; padding-bottom: 64px; }
.hero-mark { width: 64px; height: 64px; margin: 0 auto 18px; color: var(--gold); }
.hero h1 {
  font-size: clamp(44px, 6.4vw, 84px);
  color: var(--maroon);
  line-height: 1.12;
}
.hero h1 .en {
  display: block; font-family: var(--serif-en); font-size: clamp(16px, 1.6vw, 20px);
  letter-spacing: .42em; text-transform: uppercase; color: var(--gold-text); margin-top: 10px;
}
.hero-lead {
  font-family: var(--serif-hi); font-size: clamp(20px, 2vw, 25px); color: var(--ink);
  max-width: 34ch; margin: 0 auto 10px;
}
.hero-lead em { font-style: normal; color: var(--gold-text); }
.hero-sub { font-size: 17px; color: var(--ink-soft); max-width: 40ch; margin: 0 auto 28px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }
.hashtags { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 18px; margin-top: 28px; }
.hashtags a, .hashtags span {
  font-family: var(--serif-en); font-size: 19px; font-weight: 600; color: var(--maroon); text-decoration: none;
}
.hashtags a:hover { color: var(--saffron); }
.hero-side { padding-bottom: 0; }
.hero-side .arch { aspect-ratio: 9 / 16; }
.scroll-cue { display: flex; flex-direction: column; align-items: center; gap: 2px; font-size: 12px; letter-spacing: .3em; color: var(--gold-text); text-decoration: none; margin-top: 30px; }
.scroll-cue svg { width: 18px; height: 18px; animation: bob 2.4s ease-in-out infinite; }
@keyframes bob { 50% { transform: translateY(5px); } }

/* ---------- Stats strip ---------- */
.stats { background: var(--paper); border-block: 1px solid var(--line); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat { padding: 30px 20px; text-align: center; border-left: 1px solid var(--line); }
.stat:first-child { border-left: 0; }
.stat-num { font-family: var(--serif-en); font-size: clamp(32px, 3.4vw, 46px); font-weight: 600; color: var(--maroon); line-height: 1.1; }
.stat-label { font-size: 15px; color: var(--ink-soft); margin-top: 6px; }
.progress { margin: 12px auto 0; width: min(220px, 90%); height: 6px; background: var(--stone); border-radius: 9px; overflow: hidden; }
.progress span { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--saffron), var(--gold)); transition: width 1.4s ease; }

/* ---------- Sections ---------- */
.section { padding: clamp(64px, 9vw, 112px) 0; }
.section-head { text-align: center; max-width: 760px; margin: 0 auto 48px; }
.section-head h2 { font-size: clamp(32px, 4vw, 50px); color: var(--maroon); }
.section-head p { color: var(--ink-soft); font-size: 18px; margin-top: 12px; }
.on-dark { color: var(--on-dark); }
.on-dark h2, .on-dark h3 { color: var(--on-dark); }
.on-dark p { color: var(--on-dark-soft); }
.night {
  background:
    radial-gradient(1px 1px at 12% 22%, rgba(255,240,210,.7) 50%, transparent 51%),
    radial-gradient(1px 1px at 72% 18%, rgba(255,240,210,.6) 50%, transparent 51%),
    radial-gradient(1.4px 1.4px at 40% 70%, rgba(255,240,210,.5) 50%, transparent 51%),
    radial-gradient(1px 1px at 88% 64%, rgba(255,240,210,.6) 50%, transparent 51%),
    radial-gradient(1px 1px at 22% 84%, rgba(255,240,210,.5) 50%, transparent 51%),
    radial-gradient(ellipse at 20% 0%, rgba(226,103,27,.18), transparent 55%),
    linear-gradient(135deg, var(--maroon-deep) 0%, var(--maroon) 55%, var(--plum) 100%);
}

/* Pillars band */
.pillars { display: grid; grid-template-columns: repeat(5, 1fr); }
.pillar { text-align: center; padding: 10px 22px; border-left: 1px solid rgba(230, 201, 143, .25); }
.pillar:first-child { border-left: 0; }
.pillar svg { width: 46px; height: 46px; color: var(--gold-light); margin: 0 auto 16px; }
.pillar h3 { font-size: 24px; margin-bottom: 8px; }
.pillar .en { display: block; font-family: var(--serif-en); font-size: 13px; letter-spacing: .26em; text-transform: uppercase; color: var(--gold-light); margin-bottom: 10px; }
.pillar p { font-size: 16px; line-height: 1.6; margin: 0; }

/* Split */
.split { display: grid; grid-template-columns: 1fr 1fr; min-height: 560px; }
.split-copy { background: var(--paper); padding: clamp(48px, 7vw, 96px) clamp(24px, 6vw, 88px); display: flex; flex-direction: column; justify-content: center; }
.split-copy h2 { font-size: clamp(30px, 3.4vw, 44px); color: var(--maroon); }
.split-copy p { color: var(--ink-soft); }
.split-media { position: relative; min-height: 420px; }
.split-media img, .split-media video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.ticks { list-style: none; padding: 0; margin: 8px 0 26px; }
.ticks li { position: relative; padding-left: 30px; margin-bottom: 12px; color: var(--ink); }
.ticks li::before { content: ""; position: absolute; left: 4px; top: 11px; width: 9px; height: 9px; transform: rotate(45deg); background: var(--gold); }

/* Two ways */
.ways { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.way {
  background: #fff8ec; border: 1px solid var(--line); border-radius: 6px; padding: 38px 34px;
  display: flex; flex-direction: column; box-shadow: 0 1px 0 #fff inset;
}
.way-tag { align-self: flex-start; font-size: 13px; letter-spacing: .2em; text-transform: uppercase; color: var(--gold-text); border: 1px solid var(--line); border-radius: 99px; padding: 4px 12px; margin-bottom: 18px; }
.way h3 { font-size: 30px; color: var(--maroon); margin-bottom: 10px; }
.way ol { padding-left: 22px; margin: 0 0 26px; color: var(--ink-soft); }
.way ol li { margin-bottom: 8px; }
.way .btn { margin-top: auto; align-self: flex-start; }

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; margin-top: 56px; border: 1px solid var(--line); background: var(--paper); }
.step { padding: 30px 28px; border-left: 1px solid var(--line); }
.step:first-child { border-left: 0; }
.step-n { font-family: var(--serif-en); font-size: 44px; color: var(--gold); line-height: 1; }
.step h3 { font-size: 26px; color: var(--maroon); margin: 8px 0 6px; }
.step p { color: var(--ink-soft); margin: 0; font-size: 17px; }

/* Timeline */
.timeline { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; position: relative; }
.timeline::before { content: ""; position: absolute; left: 0; right: 0; top: 13px; height: 1px; background: var(--line); }
.tl { position: relative; padding-top: 40px; }
.tl::before { content: ""; position: absolute; top: 6px; left: 0; width: 15px; height: 15px; transform: rotate(45deg); background: var(--ivory); border: 2px solid var(--gold); }
.tl.key::before { background: var(--saffron); border-color: var(--saffron); }
.tl-date { font-family: var(--serif-en); font-size: 40px; font-weight: 600; color: var(--maroon); line-height: 1; }
.tl-day { font-size: 14px; letter-spacing: .16em; text-transform: uppercase; color: var(--gold-text); margin: 6px 0 10px; }
.tl p { color: var(--ink-soft); font-size: 17px; margin: 0; }

/* Salasar video band */
.salasar { position: relative; overflow: hidden; color: var(--on-dark); }
.salasar video, .salasar .bg-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.salasar::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(46,10,16,.55), rgba(46,10,16,.85)); }
.salasar .wrap { position: relative; z-index: 1; }
.centres { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 10px; }
.centre { border: 1px solid rgba(230,201,143,.35); background: rgba(46,10,16,.35); border-radius: 4px; padding: 16px 18px; }
.centre strong { display: block; font-family: var(--serif-hi); font-weight: 400; font-size: 20px; color: var(--on-dark); }
.centre span { font-size: 14px; color: var(--on-dark-soft); }
.centre-note { text-align: center; margin-top: 30px; font-size: 17px; }

/* Wall teaser */
.wall-teaser { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; }
.wall-teaser .tile { aspect-ratio: 3 / 4; border: 1px solid var(--line); background: #fff8ec; border-radius: 4px; overflow: hidden; position: relative; }
.wall-teaser .tile img { width: 100%; height: 100%; object-fit: cover; }
.wall-teaser .tile figcaption { position: absolute; left: 0; right: 0; bottom: 0; padding: 18px 10px 8px; font-size: 13px; color: #fff; background: linear-gradient(transparent, rgba(46,10,16,.8)); }
.tile.placeholder { display: grid; place-items: center; color: var(--gold); font-family: var(--serif-hi); font-size: 34px; background: repeating-linear-gradient(0deg, #fff8ec 0 31px, #efe2c9 31px 32px); }
.center { text-align: center; }
.mt { margin-top: 36px; }

/* Quote */
.quote { text-align: center; padding: clamp(64px, 8vw, 100px) 0; }
.quote blockquote { margin: 0; font-family: var(--serif-hi); font-size: clamp(26px, 3.4vw, 42px); line-height: 1.45; color: var(--on-dark); }
.quote cite { display: block; margin-top: 18px; font-style: normal; font-size: 15px; letter-spacing: .24em; text-transform: uppercase; color: var(--gold-light); }

/* Hashtag cards */
.tag-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.tag-card { border: 1px solid var(--line); background: #fff8ec; border-radius: 6px; padding: 28px 24px; text-align: center; }
.tag-card .tag { font-family: var(--serif-en); font-size: clamp(22px, 2.3vw, 28px); font-weight: 600; color: var(--maroon); word-break: break-word; }
.tag-card p { font-size: 15px; color: var(--ink-soft); margin: 8px 0 16px; }
.copy-btn { font: inherit; font-size: 14px; letter-spacing: .14em; text-transform: uppercase; background: none; border: 1px solid var(--gold); color: var(--gold-text); padding: 8px 16px; border-radius: 99px; cursor: pointer; }
.copy-btn:hover { background: var(--paper); }

/* FAQ */
.faq { max-width: 820px; margin: 0 auto; }
.faq details { border-bottom: 1px solid var(--line); padding: 4px 0; }
.faq summary { cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 18px 0; font-family: var(--serif-hi); font-size: 22px; color: var(--maroon); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-family: var(--serif-en); font-size: 30px; color: var(--gold); transition: transform .2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { color: var(--ink-soft); padding-bottom: 12px; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.contact-card { border: 1px solid rgba(230,201,143,.35); border-radius: 6px; padding: 30px 26px; background: rgba(255,255,255,.03); }
.contact-card svg { width: 30px; height: 30px; color: var(--gold-light); margin-bottom: 14px; }
.contact-card h3 { font-size: 24px; margin-bottom: 6px; }
.contact-card a, .contact-card .val { color: var(--gold-light); font-size: 18px; word-break: break-word; }

/* Footer */
.site-footer { background: var(--maroon-deep); color: var(--on-dark-soft); padding: 40px 0 28px; font-size: 15px; }
.footer-row { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 20px; }
.site-footer a { color: var(--on-dark); text-decoration: none; }
.site-footer a:hover { color: var(--gold-light); }
.footer-links { display: flex; flex-wrap: wrap; gap: 18px; list-style: none; margin: 0; padding: 0; }
.footer-brand img { height: 42px; width: auto; }
.footer-bottom { border-top: 1px solid rgba(230,201,143,.2); margin-top: 26px; padding-top: 18px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; }

/* Toast */
.toast { position: fixed; left: 50%; bottom: 24px; transform: translate(-50%, 160%); opacity: 0; visibility: hidden; pointer-events: none; background: var(--maroon); color: var(--on-dark); padding: 12px 22px; border-radius: 99px; font-size: 16px; z-index: 100; transition: transform .3s; box-shadow: var(--shadow); }
.toast.show { transform: translate(-50%, 0); opacity: 1; visibility: visible; }

/* Reveal on scroll */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .8s ease, transform .8s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .scroll-cue svg { animation: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1060px) {
  .hero-grid { grid-template-columns: 1fr 1.4fr; }
  .hero-side { display: none; }
  .pillars { grid-template-columns: repeat(3, 1fr); row-gap: 36px; }
  .pillar:nth-child(4) { border-left: 0; }
  .centres { grid-template-columns: repeat(2, 1fr); }
  .wall-teaser { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 860px) {
  body { font-size: 17px; }
  .nav-toggle { display: grid; }
  .nav-links {
    position: absolute; left: 0; right: 0; top: 100%; flex-direction: column; align-items: stretch; gap: 0;
    background: var(--ivory); border-bottom: 1px solid var(--line); padding: 8px 20px 18px; display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a { display: block; padding: 12px 0; border-bottom: 1px solid var(--stone); }
  .nav-cta { margin-top: 10px; text-align: center; }
  .hero-grid { grid-template-columns: 1fr; padding-top: 34px; gap: 28px; }
  .hero-copy { padding-bottom: 8px; order: -1; }
  .hero-media { max-width: 360px; margin: 0 auto; width: 100%; }
  .hero-media .arch { aspect-ratio: 4 / 5; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(3) { border-left: 0; }
  .stat:nth-child(n+3) { border-top: 1px solid var(--line); }
  .split { grid-template-columns: 1fr; }
  .split-media { min-height: 360px; order: -1; }
  .ways, .steps, .tag-cards, .contact-grid { grid-template-columns: 1fr; }
  .step { border-left: 0; border-top: 1px solid var(--line); }
  .step:first-child { border-top: 0; }
  .timeline { grid-template-columns: 1fr 1fr; row-gap: 36px; }
  .timeline::before { display: none; }
}
@media (max-width: 560px) {
  .pillars { grid-template-columns: 1fr 1fr; }
  .pillar { border-left: 0 !important; padding: 6px 8px; }
  .pillar:last-child { grid-column: 1 / -1; }
  .centres { grid-template-columns: 1fr; }
  .wall-teaser { grid-template-columns: repeat(2, 1fr); }
  .timeline { grid-template-columns: 1fr; }
  .hero-actions .btn { width: 100%; }
  .way { padding: 30px 22px; }
  .way .btn { width: 100%; }
}

/* Devanagari must never be letter-spaced: it breaks the headline bar of the letters */
.eyebrow.hi, .tl-day, .way-tag, .copy-btn, .quote cite, .badge { letter-spacing: .02em; }
.hero h1 .line { white-space: nowrap; }
@media (max-width: 480px) {
  .brand-text { display: none; }
  .hero h1 .line { white-space: normal; }
}

/* ======================= v3 additions ======================= */
.brand img { height: 48px; }
.footer-brand { display: inline-flex; align-items: center; gap: 18px; }
.footer-brand img { height: 52px; }
.btn-gold { background: var(--gold-light); color: var(--maroon-deep); border-color: var(--gold); box-shadow: var(--shadow); }
.btn-gold:hover { background: #F1DAAA; transform: translateY(-2px); }

/* Postcard download / upload band */
.pc-band { background: radial-gradient(ellipse at 20% 0%, #5A1A22, var(--maroon-deep) 70%); color: var(--on-dark); }
.pc-grid { display: grid; grid-template-columns: minmax(240px, 380px) 1fr; gap: clamp(32px, 6vw, 80px); align-items: center; }
.pc-media .arch { aspect-ratio: 9 / 16; border-color: rgba(230,201,143,.45); }
.pc-copy h2 { font-size: clamp(30px, 3.6vw, 46px); color: #FFF3DC; }
.pc-steps { list-style: none; counter-reset: pc; padding: 0; margin: 0 0 30px; display: grid; gap: 14px; }
.pc-steps li { counter-increment: pc; position: relative; padding-left: 52px; color: var(--on-dark-soft); font-size: 18px; }
.pc-steps li::before { content: counter(pc); position: absolute; left: 0; top: 0; width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center; border: 1px solid var(--gold-light); color: var(--gold-light); font-family: var(--serif-en); font-weight: 600; }
.pc-steps b { color: #FFF3DC; font-weight: 600; }
.pc-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.pc-band .btn-primary { background: #7A1F27; }
.pc-note { margin: 18px 0 0; font-size: 15px; color: var(--on-dark-soft); }

/* Dates: three items */
.timeline.three { grid-template-columns: repeat(3, 1fr); }

@media (max-width: 900px) {
  .pc-grid { grid-template-columns: 1fr; }
  .pc-media { max-width: 320px; margin: 0 auto; }
  .timeline.three { grid-template-columns: 1fr; }
  .pc-actions .btn { width: 100%; }
}