/* ═══════════════════════════════════════════════════════════
   WILLAMETRO IT SOLUTIONS LLC — Terminal Theme
   style.css | willametro.com
   ═══════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:ital,wght@0,300;0,400;0,500;0,700;1,400&display=swap');

/* ── Variables ──────────────────────────────────────────── */
:root {
  --bg:          #080808;
  --bg-alt:      #0c0c0c;
  --bg-card:     #101010;
  --bg-hover:    #141414;
  --text:        #cccccc;
  --text-bright: #f0f0f0;
  --text-dim:    #6e6e6e;
  --text-muted:  #909090;
  --green:       #4ade80;
  --cyan:        #22d3ee;
  --amber:       #fbbf24;
  --red:         #f87171;
  --border:      #1a1a1a;
  --border-mid:  #2d2d2d;
  --font:        'JetBrains Mono', 'Courier New', Courier, monospace;
  --max-w:       1100px;
  --nav-h:       54px;
}

/* ── Reset ──────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 15px; }
img  { display: block; max-width: 100%; }
ul   { list-style: none; }
a    { color: var(--cyan); text-decoration: none; transition: color 0.15s; }
a:hover { color: var(--amber); }
button { cursor: pointer; font-family: var(--font); }

/* ── Body & Scanlines ───────────────────────────────────── */
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.8;
  min-height: 100vh;
}
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    0deg, transparent, transparent 3px,
    rgba(0,0,0,0.025) 3px, rgba(0,0,0,0.025) 4px
  );
  pointer-events: none;
  z-index: 1000;
}

/* ── Cursor Blink ───────────────────────────────────────── */
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }
.cursor::after {
  content: '█';
  animation: blink 1.1s step-end infinite;
  color: var(--green);
  font-size: 0.88em;
}

/* ── Typography ─────────────────────────────────────────── */
h1, h2, h3, h4 { color: var(--text-bright); font-weight: 700; line-height: 1.3; }
.section-label {
  color: var(--green);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}
.section-label::before { content: '> '; }
.section-title { font-size: clamp(1.3rem, 3vw, 1.9rem); color: var(--text-bright); margin-bottom: 0.6rem; }
.section-sub   { color: var(--text-muted); font-size: 0.82rem; max-width: 580px; }

/* ── Layout ─────────────────────────────────────────────── */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 1.5rem; }
section { padding: 5rem 0; }
.section-header { margin-bottom: 2.5rem; }
.term-divider { border: none; border-top: 1px solid var(--border-mid); margin: 1.5rem 0; }

/* ── Terminal Colors (inline helpers) ───────────────────── */
.t-dim   { color: var(--text-dim); }
.t-green { color: var(--green); }
.t-cyan  { color: var(--cyan); }
.t-amber { color: var(--amber); }
.t-white { color: var(--text-bright); }
.t-red   { color: var(--red); }

/* ── NAV ────────────────────────────────────────────────── */
#nav {
  position: sticky; top: 0; z-index: 500;
  background: #040404;
  border-bottom: 1px solid var(--border-mid);
  height: var(--nav-h);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 100%; max-width: var(--max-w); margin: 0 auto; padding: 0 1.5rem;
}
.nav-logo {
  color: var(--green); font-weight: 700; font-size: 0.95rem; letter-spacing: 0.04em;
}
.nav-logo span { color: var(--text-dim); }
.nav-links { display: flex; gap: 0.15rem; }
.nav-links a {
  color: var(--text-muted); padding: 0.35rem 0.7rem;
  font-size: 0.75rem; letter-spacing: 0.04em;
  border: 1px solid transparent; transition: all 0.15s;
}
.nav-links a::before { content: './'; color: var(--text-dim); font-size: 0.68em; }
.nav-links a:hover, .nav-links a.active {
  color: var(--green); border-color: var(--border-mid); background: var(--bg-card);
}
#nav-toggle {
  display: none; background: none; border: 1px solid var(--border-mid);
  color: var(--text); padding: 0.35rem 0.6rem; font-size: 1rem; line-height: 1;
}
#mobile-menu {
  display: none; background: #040404;
  border-bottom: 1px solid var(--border-mid); padding: 0.75rem 1.5rem;
}
#mobile-menu.open { display: block; }
#mobile-menu a {
  display: block; color: var(--text-muted);
  padding: 0.55rem 0; font-size: 0.82rem;
  border-bottom: 1px solid var(--border);
}
#mobile-menu a::before { content: '$ '; color: var(--green); }
#mobile-menu a:last-child { border-bottom: none; }
#mobile-menu a:hover { color: var(--amber); }
/* Nav phone */
.nav-phone {
  font-size: 0.72rem; color: var(--green);
  border: 1px solid var(--border-mid); padding: 0.28rem 0.65rem;
  letter-spacing: 0.03em; white-space: nowrap;
}
.nav-phone:hover { color: var(--amber); border-color: var(--amber); }
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-phone  { display: none; }
  #nav-toggle { display: block; }
}

/* ── HERO ───────────────────────────────────────────────── */
#hero {
  min-height: calc(100vh - var(--nav-h));
  display: flex; align-items: center; padding: 4rem 0;
}
.hero-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 3.5rem; align-items: center;
}
.hero-copy h1 {
  font-size: clamp(1.7rem, 4vw, 2.6rem);
  margin-bottom: 1rem; line-height: 1.2;
}
.hero-copy h1 .hl { color: var(--green); }
.hero-copy .sub {
  color: var(--text-muted); margin-bottom: 2rem; max-width: 460px; font-size: 0.83rem;
}
.hero-btns { display: flex; gap: 0.75rem; flex-wrap: wrap; }

/* Terminal window */
.hero-term {
  background: var(--bg-card); border: 1px solid var(--border-mid); border-radius: 3px;
}
.term-bar {
  background: #0e0e0e; padding: 0.45rem 1rem;
  display: flex; align-items: center; gap: 0.45rem;
  border-bottom: 1px solid var(--border-mid);
}
.term-dot { width: 9px; height: 9px; border-radius: 50%; }
.term-dot.r { background: #f87171; }
.term-dot.y { background: #fbbf24; }
.term-dot.g { background: #4ade80; }
.term-title { flex: 1; text-align: center; font-size: 0.65rem; color: var(--text-dim); }
.term-body {
  padding: 1.25rem 1.5rem; font-size: 0.78rem;
  line-height: 2.1; min-height: 290px;
}
.term-line { display: block; }
.term-line.p::before { content: '> '; color: var(--green); }

/* ── Buttons ────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 0.4rem;
  padding: 0.65rem 1.4rem; font-family: var(--font);
  font-size: 0.78rem; font-weight: 500; letter-spacing: 0.04em;
  border: 1px solid; border-radius: 2px;
  transition: all 0.15s; cursor: pointer;
}
.btn::before { content: '> '; color: inherit; font-size: 0.85em; }
.btn-primary { background: var(--green); color: #000; border-color: var(--green); }
.btn-primary:hover { background: var(--amber); border-color: var(--amber); color: #000; }
.btn-outline { background: transparent; color: var(--cyan); border-color: var(--cyan); }
.btn-outline:hover { background: rgba(34,211,238,0.07); color: var(--amber); border-color: var(--amber); }

/* ── Service Tier Path ──────────────────────────────────── */
#service-path {
  background: var(--bg-alt); padding: 2.75rem 0;
  border-top: 1px solid var(--border-mid);
  border-bottom: 1px solid var(--border-mid);
}
.tier-track {
  display: flex; align-items: stretch;
  justify-content: center; gap: 0; flex-wrap: wrap;
}
.tier-node {
  flex: 1; min-width: 170px; max-width: 230px;
  text-align: center; padding: 1.4rem 1rem;
  border: 1px solid var(--border-mid); background: var(--bg-card);
}
.tier-arrow {
  display: flex; align-items: center;
  color: var(--green); font-size: 1.1rem; padding: 0 0.4rem;
}
.tier-num { display: block; font-size: 0.66rem; color: var(--text-dim); letter-spacing: 0.1em; margin-bottom: 0.2rem; }
.tier-name { color: var(--green); font-weight: 700; font-size: 0.82rem; display: block; margin-bottom: 0.2rem; }
.tier-desc { color: var(--text-dim); font-size: 0.72rem; line-height: 1.6; }

/* ── Services Grid ──────────────────────────────────────── */
#services { background: var(--bg); }
.services-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 1px; background: var(--border-mid);
  border: 1px solid var(--border-mid);
}
.svc-card { background: var(--bg-card); padding: 1.6rem; transition: background 0.15s; }
.svc-card:hover { background: var(--bg-hover); }
.svc-tag {
  display: inline-block; font-size: 0.64rem; letter-spacing: 0.12em;
  text-transform: uppercase; border: 1px solid; padding: 0.1rem 0.4rem; margin-bottom: 0.7rem;
}
.svc-tag.lv  { color: var(--amber); border-color: var(--amber); }
.svc-tag.it  { color: var(--cyan);  border-color: var(--cyan); }
.svc-tag.web { color: var(--green); border-color: var(--green); }
.svc-tag.res { color: #c084fc;      border-color: #c084fc; }
.svc-title { color: var(--text-bright); font-size: 0.9rem; font-weight: 700; margin-bottom: 0.7rem; }
.svc-list li {
  color: var(--text-muted); font-size: 0.8rem; padding: 0.12rem 0 0.12rem 1rem; position: relative;
}
.svc-list li::before { content: '─ '; position: absolute; left: 0; color: var(--border-mid); }

/* ── Partners ───────────────────────────────────────────── */
#partners { background: var(--bg-alt); }
.partners-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 1.5rem; }
.partner-card { border: 1px solid var(--border-mid); background: var(--bg-card); padding: 1.75rem; position: relative; }
.partner-corner {
  position: absolute; top: 0; left: 0;
  font-size: 0.64rem; color: var(--text-dim);
  background: var(--bg-alt); padding: 0.1rem 0.4rem;
  border-right: 1px solid var(--border-mid); border-bottom: 1px solid var(--border-mid);
}
.partner-type { font-size: 0.68rem; letter-spacing: 0.12em; color: var(--amber); text-transform: uppercase; margin-bottom: 0.5rem; margin-top: 0.75rem; }
.partner-name { font-size: 1.05rem; font-weight: 700; color: var(--text-bright); margin-bottom: 0.7rem; }
.partner-desc { color: var(--text-muted); font-size: 0.77rem; margin-bottom: 1.25rem; line-height: 1.8; }
.partner-link {
  font-size: 0.72rem; border: 1px solid var(--border-mid);
  padding: 0.3rem 0.7rem; display: inline-flex; align-items: center; gap: 0.35rem; color: var(--cyan);
}
.partner-link::before { content: '↗ '; }
.partner-link:hover { border-color: var(--amber); color: var(--amber); }

/* ── Stats Bar ──────────────────────────────────────────── */
#stats {
  background: var(--bg); padding: 3rem 0;
  border-top: 1px solid var(--border-mid);
  border-bottom: 1px solid var(--border-mid);
}
.stats-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 1px; background: var(--border-mid);
}
.stat-item { background: var(--bg); padding: 1.5rem; text-align: center; }
.stat-num  { font-size: 1.9rem; font-weight: 700; color: var(--green); display: block; }
.stat-label { color: var(--text-dim); font-size: 0.72rem; letter-spacing: 0.08em; }

/* ── Blog Preview ───────────────────────────────────────── */
#blog-preview { background: var(--bg-alt); }
.blog-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1.5rem; }
.blog-card { border: 1px solid var(--border-mid); background: var(--bg-card); display: flex; flex-direction: column; transition: border-color 0.15s; }
.blog-card:hover { border-color: var(--cyan); }
.blog-card-head {
  background: #0a0a0a; padding: 0.45rem 1rem;
  display: flex; align-items: center; justify-content: space-between;
  border-bottom: 1px solid var(--border-mid);
}
.blog-date { font-size: 0.68rem; color: var(--text-dim); }
.blog-tag  { font-size: 0.64rem; color: var(--amber); letter-spacing: 0.1em; }
.blog-body { padding: 1.2rem; flex: 1; }
.blog-title { color: var(--text-bright); font-size: 0.86rem; font-weight: 700; margin-bottom: 0.5rem; }
.blog-excerpt { color: var(--text-muted); font-size: 0.78rem; line-height: 1.75; }
.blog-foot { padding: 0.7rem 1.2rem; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; }
.read-more { font-size: 0.7rem; color: var(--cyan); }
.read-more::after { content: ' →'; }
.blog-card:hover .read-more { color: var(--amber); }

/* ── FAQ ────────────────────────────────────────────────── */
#faq { background: var(--bg); }
.faq-list { max-width: 760px; border: 1px solid var(--border-mid); }
.faq-item { border-bottom: 1px solid var(--border-mid); }
.faq-item:last-child { border-bottom: none; }
.faq-q {
  width: 100%; text-align: left; background: var(--bg-card);
  padding: 1rem 1.25rem; display: flex; align-items: flex-start;
  gap: 0.6rem; cursor: pointer; border: none;
  color: var(--text-bright); font-size: 0.84rem; font-weight: 700;
  line-height: 1.4; transition: background 0.15s;
}
.faq-q:hover { background: var(--bg-hover); }
.faq-q-prefix { color: var(--green); flex-shrink: 0; font-size: 0.72rem; padding-top: 0.1rem; }
.faq-q-text { flex: 1; }
.faq-toggle { color: var(--text-dim); font-size: 0.75rem; flex-shrink: 0; padding-top: 0.05rem; transition: transform 0.2s; }
.faq-item.open .faq-toggle { transform: rotate(45deg); color: var(--green); }
.faq-a {
  display: none; padding: 0.9rem 1.25rem 1.1rem 2.6rem;
  color: var(--text-muted); font-size: 0.8rem; line-height: 1.85;
  background: var(--bg); border-top: 1px solid var(--border);
}
.faq-item.open .faq-a { display: block; }
.faq-a a { color: var(--cyan); }
.faq-a a:hover { color: var(--amber); }

/* ── Service Areas strip ─────────────────────────────────── */
#service-areas {
  background: var(--bg-alt); padding: 2rem 0;
  border-top: 1px solid var(--border-mid);
  border-bottom: 1px solid var(--border-mid);
}
.areas-inner {
  display: flex; align-items: center; flex-wrap: wrap; gap: 0.5rem 1.5rem;
}
.areas-label {
  font-size: 0.68rem; color: var(--text-dim); letter-spacing: 0.1em;
  text-transform: uppercase; white-space: nowrap;
}
.areas-label::before { content: '$ '; color: var(--green); }
.area-link {
  font-size: 0.75rem; color: var(--text-muted);
  border: 1px solid var(--border-mid); padding: 0.2rem 0.65rem;
  transition: all 0.15s;
}
.area-link:hover { color: var(--green); border-color: var(--green); }

/* ── Area Pages ──────────────────────────────────────────── */
.area-intro { max-width: 680px; }
.area-intro p { color: var(--text-muted); font-size: 0.82rem; line-height: 1.85; margin-bottom: 0.75rem; }

/* ── CTA ────────────────────────────────────────────────── */
#cta { background: var(--bg); padding: 5rem 0; text-align: center; }
.cta-box {
  display: inline-block; background: var(--bg-card);
  border: 1px solid var(--border-mid); padding: 2.5rem 3rem; max-width: 580px; text-align: left;
}
.cta-prompt { color: var(--text-dim); font-size: 0.75rem; margin-bottom: 0.75rem; }
.cta-prompt::before { content: '$ '; color: var(--green); }
.cta-box h2 { font-size: clamp(1.1rem, 3vw, 1.5rem); margin-bottom: 0.6rem; }
.cta-box p  { color: var(--text-muted); font-size: 0.8rem; margin-bottom: 1.5rem; }

/* ── Footer ─────────────────────────────────────────────── */
footer {
  background: #040404; border-top: 1px solid var(--border-mid); padding: 3rem 0 1.5rem;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2rem; margin-bottom: 2rem;
}
.footer-brand p { color: var(--text-dim); font-size: 0.75rem; margin-top: 0.4rem; max-width: 260px; line-height: 1.9; }
.footer-col h4 {
  color: var(--text-bright); font-size: 0.7rem; letter-spacing: 0.1em;
  text-transform: uppercase; margin-bottom: 0.9rem;
}
.footer-col h4::before { content: '// '; color: var(--text-dim); }
.footer-col ul li { margin-bottom: 0.4rem; }
.footer-col ul li a { color: var(--text-dim); font-size: 0.75rem; }
.footer-col ul li a:hover { color: var(--text); }
.footer-bottom {
  border-top: 1px solid var(--border); padding-top: 1.25rem;
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 1rem;
}
.footer-copy { color: var(--text-dim); font-size: 0.72rem; }
.footer-social { display: flex; gap: 0.75rem; }
.footer-social a {
  color: var(--text-dim); font-size: 0.7rem;
  border: 1px solid var(--border-mid); padding: 0.2rem 0.55rem;
}
.footer-social a:hover { color: var(--cyan); border-color: var(--cyan); }

/* ── Page Hero (subpages) ───────────────────────────────── */
.page-hero { padding: 2.75rem 0; border-bottom: 1px solid var(--border-mid); background: var(--bg-alt); }
.breadcrumb { font-size: 0.72rem; color: var(--text-dim); margin-bottom: 0.6rem; }
.breadcrumb a { color: var(--text-dim); }
.breadcrumb a:hover { color: var(--text); }
.breadcrumb .sep { color: var(--border-mid); margin: 0 0.35rem; }
.breadcrumb .cur { color: var(--green); }
.page-hero h1 { font-size: clamp(1.4rem, 3vw, 2rem); }
.page-hero p  { color: var(--text-muted); margin-top: 0.4rem; font-size: 0.82rem; }

/* ── Contact Page ───────────────────────────────────────── */
.contact-grid { display: grid; grid-template-columns: 1fr 1.3fr; gap: 3rem; align-items: start; }
.contact-info .info-item {
  display: flex; gap: 1rem; padding: 1.1rem 0;
  border-bottom: 1px solid var(--border);
}
.info-icon { color: var(--green); flex-shrink: 0; width: 18px; padding-top: 3px; font-style: normal; }
.info-label { font-size: 0.68rem; color: var(--text-dim); letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 0.2rem; }
.info-value { font-size: 0.83rem; color: var(--text-bright); }
.info-value a { color: var(--text-bright); }
.info-value a:hover { color: var(--cyan); }
.contact-form { background: var(--bg-card); border: 1px solid var(--border-mid); padding: 0; }
.form-header {
  background: #0a0a0a; padding: 0.5rem 1.25rem;
  border-bottom: 1px solid var(--border-mid);
  font-size: 0.68rem; color: var(--text-dim);
  display: flex; align-items: center; gap: 0.5rem;
}
.form-header::before { content: '> '; color: var(--green); }
.form-body { padding: 1.5rem 1.25rem; }
.form-group { margin-bottom: 1.1rem; }
.form-group label {
  display: block; font-size: 0.72rem; color: var(--text-dim);
  letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 0.35rem;
}
.form-group label::before { content: '# '; color: var(--border-mid); }
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%; background: var(--bg); border: 1px solid var(--border-mid);
  color: var(--text-bright); font-family: var(--font); font-size: 0.8rem;
  padding: 0.55rem 0.8rem; outline: none; transition: border-color 0.15s;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus { border-color: var(--cyan); }
.form-group textarea { resize: vertical; min-height: 110px; }

/* ── Blog Full Page ─────────────────────────────────────── */
.blog-full-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 1.5rem; }
.post-content { max-width: 700px; }
.post-meta {
  display: flex; gap: 1.5rem; flex-wrap: wrap;
  color: var(--text-dim); font-size: 0.72rem; margin-bottom: 2rem;
  padding-bottom: 1.25rem; border-bottom: 1px solid var(--border-mid);
}
.post-content h2 { font-size: 1.1rem; margin: 2rem 0 0.6rem; color: var(--cyan); }
.post-content p  { color: var(--text); margin-bottom: 0.9rem; font-size: 0.82rem; line-height: 1.85; }
.post-content ul { margin: 0.6rem 0 1.1rem 0.75rem; }
.post-content ul li { color: var(--text); font-size: 0.8rem; padding: 0.18rem 0; }
.post-content ul li::before { content: '— '; color: var(--green); }
.post-callout {
  border-left: 2px solid var(--amber); background: var(--bg-card);
  padding: 1rem 1.25rem; margin: 1.5rem 0; font-size: 0.8rem; color: var(--text);
}
.post-nav { display: flex; justify-content: space-between; margin-top: 3rem; padding-top: 1.5rem; border-top: 1px solid var(--border-mid); flex-wrap: wrap; gap: 1rem; }
.post-nav a { font-size: 0.75rem; color: var(--cyan); }

/* ── About Page ─────────────────────────────────────────── */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: start; }
.about-term { background: var(--bg-card); border: 1px solid var(--border-mid); }
.profile-body { padding: 1.4rem; }
.profile-row { padding: 0.75rem 0; border-bottom: 1px solid var(--border); }
.profile-row:last-child { border-bottom: none; }
.profile-key { font-size: 0.68rem; color: var(--text-dim); letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 0.2rem; }
.profile-val { font-size: 0.83rem; color: var(--text-bright); }
.about-copy h2 { font-size: 1rem; color: var(--cyan); margin: 1.5rem 0 0.5rem; }
.about-copy h2:first-child { margin-top: 0; }
.about-copy p  { color: var(--text-muted); font-size: 0.8rem; line-height: 1.85; margin-bottom: 0.75rem; }
.values-list   { margin: 0.5rem 0 0; }
.values-list li { color: var(--text-muted); font-size: 0.78rem; padding: 0.25rem 0 0.25rem 1rem; position: relative; }
.values-list li::before { content: '✓ '; position: absolute; left: 0; color: var(--green); }

/* ── Legal Pages ────────────────────────────────────────── */
.legal-content { max-width: 760px; }
.legal-content h2 {
  font-size: 0.95rem; color: var(--amber);
  margin: 2rem 0 0.5rem; padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}
.legal-content h2:first-child { margin-top: 0; border-top: none; padding-top: 0; }
.legal-content p, .legal-content li { color: var(--text); font-size: 0.8rem; margin-bottom: 0.7rem; line-height: 1.85; }
.legal-content ul { padding-left: 1rem; margin-bottom: 0.9rem; }
.legal-content ul li::before { content: '• '; color: var(--text-dim); }

/* ── Responsive ─────────────────────────────────────────── */
@media (max-width: 900px) {
  .hero-grid     { grid-template-columns: 1fr; }
  .footer-grid   { grid-template-columns: 1fr 1fr; }
  .stats-grid    { grid-template-columns: repeat(2, 1fr); }
  .contact-grid  { grid-template-columns: 1fr; }
  .about-grid    { grid-template-columns: 1fr; }
  .tier-track    { flex-direction: column; align-items: center; }
  .tier-arrow    { transform: rotate(90deg); }
  .tier-node     { width: 100%; max-width: 320px; }
}
@media (max-width: 600px) {
  section        { padding: 3rem 0; }
  .footer-grid   { grid-template-columns: 1fr; }
  .hero-btns     { flex-direction: column; }
  .cta-box       { padding: 1.5rem; }
}