/* =========================================================================
   COA Holding Company — Design System
   Concept: "The center everything grows around."
   A living orbital / concentric-ring identity pulled from the brand cover.
   ========================================================================= */

/* ---- Tokens ------------------------------------------------------------ */
:root {
  /* Color */
  --ink:      #0A0B14;   /* near-black indigo — primary dark ground */
  --ink-2:    #12142A;   /* raised deep-indigo surface */
  --ink-3:    #1B1E3A;   /* hover / border on dark */
  --paper:    #F4F5F7;   /* cool porcelain — light sections */
  --paper-2:  #ECEEF3;   /* subtle light surface */
  --halo:     #7C6BFF;   /* violet — the cover glow (signature) */
  --halo-2:   #4F7CFF;   /* indigo-blue — gradient partner */
  --mist:     #9AA0B4;   /* muted slate — secondary text on dark */
  --slate:    #55607A;   /* secondary text on light */
  --white:    #FBFBFD;

  --grad-halo: linear-gradient(115deg, var(--halo-2) 0%, var(--halo) 60%, #A88BFF 100%);
  --line-dark:  rgba(255, 255, 255, 0.10);
  --line-light: rgba(10, 11, 20, 0.12);

  /* Type */
  --font-display: "Bricolage Grotesque", "Trebuchet MS", sans-serif;
  --font-body:    "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono:    "Space Mono", ui-monospace, "SFMono-Regular", monospace;

  /* Fluid type scale */
  --fs-eyebrow: 0.78rem;
  --fs-body:    clamp(1rem, 0.95rem + 0.3vw, 1.125rem);
  --fs-lead:    clamp(1.2rem, 1.05rem + 0.7vw, 1.55rem);
  --fs-h3:      clamp(1.3rem, 1.1rem + 1vw, 1.7rem);
  --fs-h2:      clamp(2rem, 1.4rem + 2.6vw, 3.4rem);
  --fs-display: clamp(2.7rem, 1.4rem + 5.6vw, 6.2rem);

  /* Space & structure */
  --maxw: 1200px;
  --gutter: clamp(1.25rem, 5vw, 4rem);
  --radius: 18px;
  --radius-lg: 26px;
  --section-y: clamp(4.5rem, 8vw, 9rem);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---- Reset ------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.65;
  color: var(--paper);
  background: var(--ink);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
ul { list-style: none; padding: 0; }
:focus-visible { outline: 2px solid var(--halo); outline-offset: 3px; border-radius: 4px; }

/* ---- Layout primitives ------------------------------------------------- */
.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }
.section { padding-block: var(--section-y); position: relative; }
.section--ink   { background: var(--ink);   color: var(--paper); }
.section--ink2  { background: var(--ink-2); color: var(--paper); }
.section--paper { background: var(--paper);  color: var(--ink); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--fs-eyebrow);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--halo);
  display: inline-flex;
  align-items: center;
  gap: 0.7em;
  margin-bottom: 1.4rem;
}
.eyebrow::before {
  content: "";
  width: 26px; height: 1px;
  background: currentColor;
  opacity: 0.8;
}
.section--paper .eyebrow { color: var(--halo-2); }

h1, h2, h3 { font-family: var(--font-display); font-weight: 700; line-height: 1.04; letter-spacing: -0.02em; }
.h2 { font-size: var(--fs-h2); }
.h3 { font-size: var(--fs-h3); letter-spacing: -0.015em; }
.lead { font-size: var(--fs-lead); line-height: 1.5; color: var(--mist); font-weight: 400; }
.section--paper .lead { color: var(--slate); }
.grad-text { background: var(--grad-halo); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* ---- Buttons ----------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; gap: 0.6em;
  padding: 0.92em 1.5em;
  border-radius: 999px;
  font-weight: 600; font-size: 0.98rem;
  letter-spacing: -0.01em;
  transition: transform 0.35s var(--ease), background 0.35s var(--ease), box-shadow 0.35s var(--ease), color 0.35s var(--ease);
  will-change: transform;
}
.btn svg { width: 1.05em; height: 1.05em; transition: transform 0.35s var(--ease); }
.btn:hover { transform: translateY(-2px); }
.btn:hover svg { transform: translate(3px, -3px); }
.btn--primary { background: var(--grad-halo); color: #fff; box-shadow: 0 10px 34px -12px rgba(124, 107, 255, 0.75); }
.btn--primary:hover { box-shadow: 0 16px 44px -12px rgba(124, 107, 255, 0.9); }
.btn--ghost { border: 1px solid var(--line-dark); color: var(--paper); background: rgba(255,255,255,0.02); }
.btn--ghost:hover { background: rgba(255,255,255,0.06); border-color: rgba(255,255,255,0.28); }
.section--paper .btn--ghost { border-color: var(--line-light); color: var(--ink); background: transparent; }
.section--paper .btn--ghost:hover { background: rgba(10,11,20,0.04); border-color: rgba(10,11,20,0.28); }

/* ---- Header ------------------------------------------------------------ */
.header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  transition: background 0.4s var(--ease), border-color 0.4s var(--ease), backdrop-filter 0.4s var(--ease);
  border-bottom: 1px solid transparent;
}
.header.is-scrolled {
  background: rgba(10, 11, 20, 0.72);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom-color: var(--line-dark);
}
.header__inner { display: flex; align-items: center; justify-content: space-between; height: 74px; }

.brand { display: flex; align-items: center; gap: 0.7rem; }
.brand__mark { width: 42px; height: 42px; object-fit: contain; flex: none; }
.brand__word { display: flex; align-items: center; gap: 0.65rem; }
.brand__name { font-family: var(--font-display); font-weight: 800; font-size: 1.28rem; letter-spacing: -0.01em; line-height: 1; }
.brand__rule { width: 1px; height: 26px; background: var(--line-dark); }
.brand__sub {
  font-family: var(--font-mono); font-size: 0.58rem; line-height: 1.25;
  letter-spacing: 0.16em; text-transform: uppercase; color: var(--mist);
}

.nav { display: flex; align-items: center; gap: 2.2rem; }
.nav__links { display: flex; gap: 1.6rem; }
.nav__links a {
  font-size: 0.92rem; color: var(--mist); font-weight: 500;
  position: relative; transition: color 0.3s var(--ease);
}
.nav__links a::after {
  content: ""; position: absolute; left: 0; bottom: -6px;
  width: 100%; height: 1px; background: var(--halo);
  transform: scaleX(0); transform-origin: left; transition: transform 0.35s var(--ease);
}
.nav__links a:hover { color: var(--paper); }
.nav__links a:hover::after { transform: scaleX(1); }

.nav__toggle { display: none; width: 44px; height: 44px; flex-direction: column; justify-content: center; align-items: center; gap: 5px; }
.nav__toggle span { display: block; width: 22px; height: 2px; background: var(--paper); border-radius: 2px; transition: transform 0.35s var(--ease), opacity 0.25s var(--ease); }
.nav.is-open .nav__toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav.is-open .nav__toggle span:nth-child(2) { opacity: 0; }
.nav.is-open .nav__toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---- Hero -------------------------------------------------------------- */
.hero { position: relative; min-height: 100svh; display: flex; align-items: center; overflow: hidden; padding-top: 74px; }
.hero__bg { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.hero__rings { position: absolute; top: 50%; left: 62%; transform: translate(-50%, -50%); width: min(150vh, 1500px); aspect-ratio: 1; }
.hero__rings circle { fill: none; stroke: rgba(255,255,255,0.06); stroke-width: 1; transform-origin: center; }
.hero__glow {
  position: absolute; top: 42%; left: 60%; transform: translate(-50%, -50%);
  width: 60vw; max-width: 760px; aspect-ratio: 1; border-radius: 50%;
  background: radial-gradient(circle, rgba(124,107,255,0.28) 0%, rgba(79,124,255,0.10) 38%, transparent 68%);
  filter: blur(10px);
}
.hero__grid { position: absolute; inset: 0; background-image: linear-gradient(var(--line-dark) 1px, transparent 1px), linear-gradient(90deg, var(--line-dark) 1px, transparent 1px); background-size: 72px 72px; mask-image: radial-gradient(circle at 62% 45%, black 0%, transparent 72%); -webkit-mask-image: radial-gradient(circle at 62% 45%, black 0%, transparent 72%); opacity: 0.5; }

.hero__inner { position: relative; z-index: 2; width: 100%; }
.hero__content { max-width: 20ch; }
.hero__tag {
  font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--mist); display: inline-flex; align-items: center; gap: 0.7rem; margin-bottom: 2rem;
}
.hero__tag .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--halo); box-shadow: 0 0 0 0 rgba(124,107,255,0.6); animation: pulse 2.6s ease-out infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(124,107,255,0.55); } 70% { box-shadow: 0 0 0 12px rgba(124,107,255,0); } 100% { box-shadow: 0 0 0 0 rgba(124,107,255,0); } }

.hero h1 { font-size: var(--fs-display); max-width: 15ch; margin-bottom: 1.6rem; }
.hero__sub { font-size: var(--fs-lead); color: var(--mist); max-width: 46ch; line-height: 1.5; margin-bottom: 2.4rem; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 1rem; }
.hero__scroll { position: absolute; bottom: 2rem; left: var(--gutter); z-index: 2; font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--mist); display: flex; align-items: center; gap: 0.6rem; }
.hero__scroll .line { width: 1px; height: 34px; background: linear-gradient(var(--halo), transparent); animation: scrolldown 2s ease-in-out infinite; }
@keyframes scrolldown { 0%,100% { transform: scaleY(0.5); transform-origin: top; opacity: 0.5; } 50% { transform: scaleY(1); opacity: 1; } }

/* ---- Marquee / trust strip -------------------------------------------- */
.strip { border-block: 1px solid var(--line-dark); background: var(--ink); overflow: hidden; }
.strip__row { display: flex; gap: 3.5rem; align-items: center; padding-block: 1.15rem; white-space: nowrap; width: max-content; animation: marquee 34s linear infinite; }
.strip:hover .strip__row { animation-play-state: paused; }
.strip__item { font-family: var(--font-mono); font-size: 0.82rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--mist); display: inline-flex; align-items: center; gap: 3.5rem; }
.strip__item::after { content: "◇"; color: var(--halo); font-size: 0.6rem; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---- Thesis / About ---------------------------------------------------- */
.thesis__grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(2rem, 5vw, 5rem); align-items: start; }
.thesis__statement { font-family: var(--font-display); font-weight: 600; font-size: clamp(1.6rem, 1rem + 2.4vw, 3rem); line-height: 1.12; letter-spacing: -0.02em; }
.thesis__body p { color: var(--slate); margin-bottom: 1.3rem; }
.thesis__body p:last-child { margin-bottom: 0; }
.pill-row { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-top: 2rem; }
.pill { font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.08em; text-transform: uppercase; padding: 0.5em 1em; border: 1px solid var(--line-light); border-radius: 999px; color: var(--slate); }

/* ---- Ventures / Orbit -------------------------------------------------- */
.orbit { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: center; }
.orbit__stage { position: relative; aspect-ratio: 1; max-width: 520px; width: 100%; margin-inline: auto; }
.orbit__stage svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.orbit__ring { fill: none; stroke: var(--line-dark); stroke-width: 1; }
.orbit__ring--lit { stroke: rgba(124,107,255,0.35); stroke-dasharray: 3 7; animation: spin 60s linear infinite; transform-origin: center; }
@keyframes spin { to { transform: rotate(360deg); } }
.orbit__core { position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); width: 34%; aspect-ratio: 1; border-radius: 50%; display: grid; place-items: center; background: radial-gradient(circle at 40% 35%, var(--ink-3), var(--ink-2)); border: 1px solid var(--line-dark); box-shadow: 0 0 60px -6px rgba(124,107,255,0.5), inset 0 0 30px rgba(124,107,255,0.12); }
.orbit__core img { width: 66%; height: 66%; object-fit: contain; }
.orbit__node { position: absolute; width: 16%; aspect-ratio: 1; border-radius: 50%; display: grid; place-items: center; background: var(--ink-2); border: 1px solid var(--line-dark); color: var(--halo); transform: translate(-50%, -50%); transition: transform 0.4s var(--ease), border-color 0.4s var(--ease), box-shadow 0.4s var(--ease); }
.orbit__node svg { position: static; width: 44%; height: 44%; }
.orbit__node:hover { transform: translate(-50%, -50%) scale(1.2); border-color: var(--halo); box-shadow: 0 0 28px -4px rgba(124,107,255,0.85); z-index: 3; }
.orbit__label { position: absolute; left: 50%; bottom: -1.6em; transform: translateX(-50%); font-family: var(--font-mono); font-size: 0.6rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--mist); white-space: nowrap; opacity: 0; transition: opacity 0.3s var(--ease); }
.orbit__node:hover .orbit__label { opacity: 1; }

.orbit__list { display: flex; flex-direction: column; }
.vlist__item { display: grid; grid-template-columns: auto 1fr; gap: 1.4rem; padding-block: 1.5rem; border-top: 1px solid var(--line-dark); transition: padding-left 0.4s var(--ease); }
.vlist__item:last-child { border-bottom: 1px solid var(--line-dark); }
.vlist__item:hover { padding-left: 0.8rem; }
.vlist__num { font-family: var(--font-mono); font-size: 0.8rem; color: var(--halo); padding-top: 0.35rem; }
.vlist__h { font-family: var(--font-display); font-weight: 700; font-size: 1.22rem; letter-spacing: -0.01em; margin-bottom: 0.35rem; }
.vlist__p { color: var(--mist); font-size: 0.98rem; line-height: 1.55; }

/* ---- Approach / process ----------------------------------------------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.2rem; margin-top: 3.2rem; counter-reset: step; }
.step { position: relative; padding: 1.8rem 1.5rem 2rem; border: 1px solid var(--line-light); border-radius: var(--radius); background: linear-gradient(180deg, rgba(255,255,255,0.6), transparent); transition: transform 0.4s var(--ease), border-color 0.4s var(--ease), box-shadow 0.4s var(--ease); overflow: hidden; }
.step::before { counter-increment: step; content: "0" counter(step); font-family: var(--font-mono); font-size: 0.82rem; color: var(--halo-2); letter-spacing: 0.1em; }
.step__bar { position: absolute; left: 0; top: 0; height: 3px; width: 0; background: var(--grad-halo); transition: width 0.6s var(--ease); }
.step:hover { transform: translateY(-6px); border-color: transparent; box-shadow: 0 24px 50px -24px rgba(10,11,20,0.35); }
.step:hover .step__bar { width: 100%; }
.step h3 { font-size: 1.18rem; margin: 1rem 0 0.55rem; }
.step p { color: var(--slate); font-size: 0.95rem; line-height: 1.55; }

/* ---- Principles / values ---------------------------------------------- */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; margin-top: 3.2rem; }
.card { padding: 2rem 1.9rem; border: 1px solid var(--line-dark); border-radius: var(--radius); background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0)); position: relative; transition: transform 0.4s var(--ease), border-color 0.4s var(--ease), background 0.4s var(--ease); }
.card:hover { transform: translateY(-6px); border-color: rgba(124,107,255,0.4); background: linear-gradient(180deg, rgba(124,107,255,0.07), rgba(255,255,255,0)); }
.card__icon { width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center; background: rgba(124,107,255,0.12); color: var(--halo); margin-bottom: 1.3rem; }
.card__icon svg { width: 22px; height: 22px; }
.card h3 { font-size: 1.2rem; margin-bottom: 0.6rem; }
.card p { color: var(--mist); font-size: 0.96rem; line-height: 1.55; }

/* ---- Brands ------------------------------------------------------------ */
.brand-wall { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; margin-top: 3rem; }
.brand-card { display: grid; place-items: center; min-height: 150px; padding: 2rem 2.4rem; background: var(--ink-2); border: 1px solid var(--line-dark); border-radius: var(--radius); transition: transform 0.4s var(--ease), border-color 0.4s var(--ease), box-shadow 0.4s var(--ease); }
.brand-card img { width: 100%; max-width: 220px; height: auto; max-height: 52px; object-fit: contain; opacity: 0.85; transition: opacity 0.4s var(--ease), transform 0.4s var(--ease); }
.brand-card:hover { transform: translateY(-6px); border-color: rgba(124,107,255,0.4); box-shadow: 0 24px 50px -28px rgba(0,0,0,0.6); }
.brand-card:hover img { opacity: 1; transform: scale(1.05); }

/* ---- Stats ------------------------------------------------------------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line-dark); border: 1px solid var(--line-dark); border-radius: var(--radius-lg); overflow: hidden; }
.stat { background: var(--ink); padding: clamp(1.8rem, 3vw, 2.8rem); }
.stat__num { font-family: var(--font-display); font-weight: 700; font-size: clamp(2.4rem, 1.4rem + 3vw, 4rem); line-height: 1; letter-spacing: -0.03em; }
.stat__num .suffix { color: var(--halo); }
.stat__label { font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--mist); margin-top: 0.9rem; }

/* ---- CTA --------------------------------------------------------------- */
.cta { position: relative; overflow: hidden; }
.cta__glow { position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); width: 70vw; max-width: 900px; aspect-ratio: 1; background: radial-gradient(circle, rgba(124,107,255,0.22), transparent 60%); pointer-events: none; }
.cta__inner { position: relative; z-index: 2; text-align: center; max-width: 720px; margin-inline: auto; }
.cta h2 { font-size: var(--fs-h2); margin-bottom: 1.3rem; }
.cta .lead { margin-bottom: 2.4rem; margin-inline: auto; max-width: 48ch; }
.cta__actions { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: center; }

/* ---- Footer ------------------------------------------------------------ */
.footer { background: var(--ink); border-top: 1px solid var(--line-dark); padding-block: clamp(3rem, 5vw, 4.5rem) 2.5rem; }
.footer__top { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 2.5rem; padding-bottom: 3rem; border-bottom: 1px solid var(--line-dark); }
.footer__brand .brand { margin-bottom: 1.3rem; }
.footer__brand p { color: var(--mist); font-size: 0.95rem; max-width: 34ch; }
.footer__col h4 { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--mist); margin-bottom: 1.2rem; font-weight: 400; }
.footer__col a { display: block; color: var(--paper); font-size: 0.96rem; padding-block: 0.4rem; transition: color 0.3s var(--ease), transform 0.3s var(--ease); }
.footer__col a:hover { color: var(--halo); transform: translateX(3px); }
.footer__bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; padding-top: 2rem; }
.footer__bottom p, .footer__bottom a { font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.06em; color: var(--mist); }
.footer__socials { display: flex; gap: 0.8rem; }
.footer__socials a { width: 40px; height: 40px; border: 1px solid var(--line-dark); border-radius: 50%; display: grid; place-items: center; transition: border-color 0.3s var(--ease), background 0.3s var(--ease), color 0.3s var(--ease); }
.footer__socials a:hover { border-color: var(--halo); color: var(--halo); background: rgba(124,107,255,0.08); }
.footer__socials svg { width: 17px; height: 17px; }

/* ---- Scroll reveal ----------------------------------------------------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: 0.08s; }
.reveal[data-delay="2"] { transition-delay: 0.16s; }
.reveal[data-delay="3"] { transition-delay: 0.24s; }

/* ---- Section heading block -------------------------------------------- */
.shead { max-width: 60ch; margin-bottom: 1rem; }
.shead--center { margin-inline: auto; text-align: center; }

/* ---- Responsive -------------------------------------------------------- */
@media (max-width: 940px) {
  .thesis__grid { grid-template-columns: 1fr; gap: 2rem; }
  .orbit { grid-template-columns: 1fr; }
  .orbit__stage { order: -1; max-width: 420px; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .cards { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .footer__top { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
}

@media (max-width: 940px) {
  .nav__links, .nav > .btn { display: none; }
  .nav__toggle { display: flex; }
  .nav.is-open .nav__links {
    display: flex; flex-direction: column; gap: 0;
    position: fixed; inset: 74px 0 auto 0;
    background: rgba(10,11,20,0.96); backdrop-filter: blur(16px);
    padding: 1rem var(--gutter) 2rem; border-bottom: 1px solid var(--line-dark);
  }
  .nav.is-open .nav__links a { padding-block: 1rem; font-size: 1.05rem; border-bottom: 1px solid var(--line-dark); }
  .nav.is-open .nav__links a::after { display: none; }
  .brand__sub { display: none; }
  .hero__scroll { display: none; }
  .brand-wall { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
  .steps { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr; }
  .footer__top { grid-template-columns: 1fr; }
  .hero__sub { font-size: 1.1rem; }
}