/* ─────────────────────────────────────────
   RYNESCO — Production Stylesheet
   rynesco.com/dist/styles.css
───────────────────────────────────────── */

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background: #F5F1EA;
  color: #0F0D0B;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 3px; }
::-webkit-scrollbar-track { background: #F5F1EA; }
::-webkit-scrollbar-thumb { background: #D0CBC0; }

/* ── SKIP LINK ── */
.skip-link {
  position: absolute; top: -48px; left: 16px; z-index: 9999;
  background: #0F0D0B; color: #F5F1EA;
  padding: 10px 18px;
  font-family: Inter, sans-serif; font-size: 12px; font-weight: 500;
  text-decoration: none; letter-spacing: 0.04em;
  transition: top 0.15s ease-out;
}
.skip-link:focus { top: 16px; outline: 2px solid #D42233; outline-offset: 2px; }

/* ── FOCUS STATES ── */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid #D42233;
  outline-offset: 2px;
}

/* ── REVEAL ANIMATION ── */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition:
    opacity 0.56s cubic-bezier(.16,1,.3,1),
    transform 0.56s cubic-bezier(.16,1,.3,1);
}
.reveal.visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal { transition: opacity 0.15s ease; transform: none; }
  .hero-scroll-line { animation: none; }
  html { scroll-behavior: auto; }
}

/* ── LABEL ── */
.label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.67rem; letter-spacing: 0.14em;
  color: #6B6860; text-transform: uppercase;
}

/* ── NAV ── */
#nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: 60px; display: flex; align-items: center;
  background: rgba(245,241,234,0.95);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(0,0,0,0.08);
  transition: border-color 0.3s, box-shadow 0.3s;
}
#nav.scrolled {
  box-shadow: 0 2px 20px rgba(0,0,0,0.06);
  border-color: rgba(0,0,0,0.12);
}
.nav-inner {
  width: 100%; max-width: 1280px; margin: 0 auto; padding: 0 40px;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo { display: flex; align-items: baseline; text-decoration: none; }
.nav-logo .ry    { font-family: Inter, sans-serif; font-weight: 700; font-size: 15px; letter-spacing: 0.02em; color: #0F0D0B; }
.nav-logo .nesco { font-family: Inter, sans-serif; font-weight: 700; font-size: 15px; letter-spacing: 0.02em; color: #D42233; }

.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-link {
  font-family: Inter, sans-serif;
  font-size: 12px; font-weight: 400; color: #6B6860;
  text-decoration: none; letter-spacing: 0.03em;
  transition: color 0.2s;
}
.nav-link:hover { color: #0F0D0B; }

.nav-right { display: flex; align-items: center; gap: 20px; }
.nav-globe { display: flex; align-items: center; opacity: 0.45; transition: opacity 0.2s; }
.nav-globe:hover { opacity: 0.8; }

.nav-cta {
  font-family: Inter, sans-serif;
  font-size: 11px; font-weight: 500; letter-spacing: 0.06em;
  color: #0F0D0B; text-decoration: none; text-transform: uppercase;
  border: 1px solid rgba(0,0,0,0.2); padding: 0 18px;
  min-height: 44px; display: flex; align-items: center;
  transition: border-color 0.2s, background 0.2s;
}
.nav-cta:hover { border-color: rgba(0,0,0,0.55); }

/* ── HAMBURGER ── */
.nav-hamburger {
  display: none;
  flex-direction: column; justify-content: center; align-items: center;
  gap: 5px; width: 44px; height: 44px;
  background: none; border: none; cursor: pointer; padding: 0;
}
.nav-hamburger span {
  display: block; width: 22px; height: 1.5px;
  background: #0F0D0B;
  transition: transform 0.25s ease, opacity 0.25s ease;
  transform-origin: center;
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ── MOBILE DRAWER ── */
.nav-drawer {
  display: none;
  position: fixed; top: 60px; left: 0; right: 0; bottom: 0;
  background: #F5F1EA;
  z-index: 99;
  flex-direction: column;
  padding: 40px;
  gap: 0;
  overflow-y: auto;
}
.nav-drawer.open { display: flex; }
.nav-drawer-link {
  font-family: 'EB Garamond', Georgia, serif;
  font-size: 2rem; font-weight: 400; color: #0F0D0B;
  text-decoration: none;
  padding: 20px 0;
  border-bottom: 1px solid rgba(0,0,0,0.09);
  transition: color 0.2s;
}
.nav-drawer-link:hover { color: #D42233; }
.nav-drawer-cta {
  display: inline-block; margin-top: 32px;
  font-family: Inter, sans-serif;
  font-size: 11px; font-weight: 600; letter-spacing: 0.1em;
  text-transform: uppercase; text-decoration: none;
  color: #fff; background: #D42233;
  padding: 16px 32px; align-self: flex-start;
}

/* ── HERO ── */
#hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden; padding-top: 60px;
  background: #F5F1EA;
}
#heroCanvas {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  pointer-events: none;
}
.grid-overlay {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(0,0,0,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,0,0,0.04) 1px, transparent 1px);
  background-size: 64px 64px;
}
.hero-content {
  position: relative; z-index: 2;
  max-width: 700px; margin: 0 auto; padding: 0 40px;
  text-align: center;
}
.hero-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.63rem; letter-spacing: 0.2em; text-transform: uppercase;
  color: #A8A49E; margin-bottom: 32px;
}
.hero-headline {
  font-family: 'EB Garamond', Georgia, serif;
  font-size: clamp(2.6rem, 4.8vw, 4rem);
  font-weight: 400; line-height: 1.1;
  color: #0F0D0B; letter-spacing: -0.01em;
}
.hero-headline em { font-style: italic; color: #D42233; }

.hero-bullets {
  list-style: none; margin-top: 32px;
  display: flex; flex-direction: column; gap: 14px;
}
.hero-bullets li {
  display: flex; align-items: center; gap: 14px;
  font-family: Inter, sans-serif; font-size: 14px; font-weight: 300;
  color: #6B6860; letter-spacing: 0.01em;
}
.hero-bullets li::before {
  content: ''; flex-shrink: 0;
  width: 18px; height: 1px;
  background: #D42233;
}

.btn-red {
  display: inline-block; margin-top: 40px;
  font-family: Inter, sans-serif;
  font-size: 11px; font-weight: 600; letter-spacing: 0.1em;
  text-transform: uppercase; text-decoration: none; color: #fff;
  padding: 14px 36px; background: #D42233;
  transition: background 0.2s, transform 0.2s;
}
.btn-red:hover { background: #B31D2B; transform: translateY(-1px); }

.hero-scroll {
  position: absolute; bottom: 36px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center;
  opacity: 0.18; z-index: 3;
}
.hero-scroll-line {
  width: 1px; height: 44px; background: #0F0D0B;
  animation: scrollpulse 2.5s ease infinite;
}
@keyframes scrollpulse {
  0%,100% { transform: scaleY(1); opacity: 1; }
  50%      { transform: scaleY(.6); opacity: .4; }
}

/* ── SECTIONS ── */
.section { padding: 96px 0; }
.section-inner { max-width: 1280px; margin: 0 auto; padding: 0 40px; }
.border-section { border-top: 1px solid rgba(0,0,0,0.09); }
.bg-surface { background: #EDE9E1; }

/* ── STATEMENT ── */
.statement-quote {
  font-family: 'EB Garamond', Georgia, serif;
  font-size: clamp(1.8rem, 3.2vw, 2.6rem);
  font-weight: 400; line-height: 1.35;
  color: #0F0D0B; max-width: 860px;
}
.statement-cols {
  display: grid; grid-template-columns: repeat(4,1fr);
  border-top: 1px solid rgba(0,0,0,0.09);
  margin-top: 64px; padding-top: 56px;
}
.statement-col { padding-right: 40px; }
.statement-col + .statement-col {
  padding-left: 40px;
  border-left: 1px solid rgba(0,0,0,0.09);
}
.statement-col-sector {
  font-family: 'EB Garamond', Georgia, serif;
  font-size: 2.2rem; line-height: 1.1; font-weight: 400; color: #0F0D0B;
}
.statement-col-sector .red { color: #D42233; }
.statement-col-desc { margin-top: 16px; font-size: 14px; color: #6B6860; line-height: 1.7; }

/* ── PROOF ── */
.proof-section { background: #0F0D0B; padding: 120px 0; }
.proof-inner { max-width: 1280px; margin: 0 auto; padding: 0 40px; }
.proof-stat {
  font-family: 'EB Garamond', Georgia, serif;
  font-size: clamp(5rem, 14vw, 11rem);
  font-weight: 400; line-height: 0.9;
  color: #F5F1EA; letter-spacing: -0.02em;
}
.proof-stat-unit {
  font-family: 'EB Garamond', Georgia, serif;
  font-size: clamp(1.4rem, 3vw, 2.4rem);
  color: #D42233; font-style: italic; margin-left: 8px;
}
.proof-stat-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.67rem; letter-spacing: 0.14em;
  text-transform: uppercase; color: #D42233;
  margin-top: 28px; margin-bottom: 48px;
}
.proof-body {
  font-family: 'EB Garamond', Georgia, serif;
  font-size: clamp(1.2rem, 2vw, 1.65rem);
  font-weight: 400; line-height: 1.55;
  color: rgba(245,241,234,0.7); max-width: 760px;
}
.proof-tools {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin-top: 48px;
  border-top: 1px solid rgba(255,255,255,0.08); padding-top: 40px;
}
.proof-tool {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.62rem; letter-spacing: 0.06em; text-transform: uppercase;
  color: rgba(245,241,234,0.45);
  border: 1px solid rgba(255,255,255,0.15); padding: 5px 12px;
}
.proof-days {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.62rem; letter-spacing: 0.08em; text-transform: uppercase;
  color: rgba(245,241,234,0.35); margin-top: 20px;
}

/* ── SYSTEMS ── */
.sys-layout { display: grid; grid-template-columns: 1fr 2fr; gap: 80px; align-items: start; }
.sys-left-title {
  font-family: 'EB Garamond', Georgia, serif;
  font-size: 2rem; font-weight: 400; line-height: 1.3; color: #0F0D0B;
}
.sys-left-body { margin-top: 20px; font-size: 14px; color: #6B6860; line-height: 1.8; }
.sys-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 1px; background: rgba(0,0,0,0.1);
}
.sys-item { background: #F5F1EA; padding: 36px; transition: background 0.3s; }
.sys-item:hover { background: #EDE9E1; }
.bg-surface .sys-item { background: #EDE9E1; }
.bg-surface .sys-item:hover { background: #E4DFDA; }
.sys-item-cat {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.62rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: #D42233; margin-bottom: 16px;
}
.sys-item-title {
  font-family: 'EB Garamond', Georgia, serif;
  font-size: 1.15rem; font-weight: 400; color: #0F0D0B; margin-bottom: 10px;
}
.sys-item-body { font-size: 14px; color: #6B6860; line-height: 1.7; }

/* ── SECTORS ── */
.sectors-title {
  font-family: 'EB Garamond', Georgia, serif;
  font-size: 2rem; font-weight: 400; color: #0F0D0B;
  max-width: 480px; line-height: 1.3;
}
.sector-row {
  border-top: 1px solid rgba(0,0,0,0.09);
  display: grid; grid-template-columns: 48px 1fr 2fr;
  gap: 32px; padding: 40px 8px;
  margin-left: -8px; margin-right: -8px;
  transition: background 0.3s;
}
.sector-row:last-child { border-bottom: 1px solid rgba(0,0,0,0.09); }
.sector-row:hover { background: rgba(0,0,0,0.025); }
.sector-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem; color: #D42233; padding-top: 4px;
}
.sector-name {
  font-family: 'EB Garamond', Georgia, serif;
  font-size: 1.5rem; font-weight: 400; color: #0F0D0B;
}
.sector-sub {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.62rem; letter-spacing: 0.06em;
  color: #A8A49E; margin-top: 6px; text-transform: uppercase;
}
.sector-desc { font-size: 14px; color: #6B6860; line-height: 1.8; }
.sector-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.62rem; letter-spacing: 0.06em;
  border: 1px solid rgba(0,0,0,0.12); padding: 5px 10px;
  color: #A8A49E; text-transform: uppercase;
}

/* ── MARKETS CITY GRID ── */
.map-header { margin-bottom: 56px; }
.map-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.67rem; letter-spacing: 0.14em;
  text-transform: uppercase; color: #D42233; margin-bottom: 14px;
}
.map-headline {
  font-family: 'EB Garamond', Georgia, serif;
  font-size: clamp(1.6rem, 2.5vw, 2.2rem); font-weight: 400;
  color: #0F0D0B; margin-bottom: 12px;
}
.map-body { font-size: 14px; color: #6B6860; line-height: 1.7; max-width: 600px; }
.city-grid {
  display: grid; grid-template-columns: repeat(4,1fr);
  border-top: 1px solid rgba(0,0,0,0.09);
}
.city-col { border-right: 1px solid rgba(0,0,0,0.09); padding: 40px 32px; }
.city-col:last-child { border-right: none; }
.city-region {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.62rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: #D42233; margin-bottom: 24px;
}
.city-list { list-style: none; display: flex; flex-direction: column; gap: 14px; }
.city-list li {
  font-family: 'EB Garamond', Georgia, serif;
  font-size: 1.1rem; color: #0F0D0B; font-weight: 400;
}
.city-list li span {
  display: block; font-family: 'JetBrains Mono', monospace;
  font-size: 0.58rem; letter-spacing: 0.08em; text-transform: uppercase;
  color: #A8A49E; margin-top: 2px;
}

/* ── PROBLEM ── */
.problem-layout { display: grid; grid-template-columns: 1fr 2fr; gap: 80px; align-items: start; }
.problem-quote {
  font-family: 'EB Garamond', Georgia, serif;
  font-size: clamp(1.4rem, 2.2vw, 1.85rem);
  font-weight: 400; line-height: 1.5; color: #0F0D0B; font-style: italic;
}
.problem-body { font-size: 14px; color: #6B6860; line-height: 1.8; margin-top: 28px; }

/* ── ENGAGEMENT ── */
.eng-layout { display: grid; grid-template-columns: 1fr 2fr; gap: 80px; align-items: start; }
.eng-left-title {
  font-family: 'EB Garamond', Georgia, serif;
  font-size: 2rem; font-weight: 400; line-height: 1.3; color: #0F0D0B;
}
.eng-left-body { font-size: 14px; color: #6B6860; line-height: 1.8; margin-top: 20px; }
.eng-items { display: flex; flex-direction: column; }
.eng-item {
  border-top: 1px solid rgba(0,0,0,0.09);
  display: grid; grid-template-columns: 32px 1fr;
  gap: 32px; padding: 40px 0;
}
.eng-item:last-child { border-bottom: 1px solid rgba(0,0,0,0.09); }
.eng-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem; color: #D42233; padding-top: 4px;
}
.eng-title {
  font-family: 'EB Garamond', Georgia, serif;
  font-size: 1.3rem; font-weight: 400; color: #0F0D0B; margin-bottom: 12px;
}
.eng-desc { font-size: 14px; color: #6B6860; line-height: 1.8; }

/* ── PRINCIPLES ── */
.prin-header-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.67rem; letter-spacing: 0.14em;
  text-transform: uppercase; color: #6B6860; margin-bottom: 56px;
}
.prin-grid {
  display: grid; grid-template-columns: repeat(3,1fr);
  gap: 1px; background: rgba(0,0,0,0.1);
}
.prin-item { background: #F5F1EA; padding: 44px; }
.prin-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem; color: #D42233; margin-bottom: 24px; letter-spacing: 0.08em;
}
.prin-title {
  font-family: 'EB Garamond', Georgia, serif;
  font-size: 1.2rem; font-weight: 400; color: #0F0D0B; margin-bottom: 16px;
}
.prin-body { font-size: 14px; color: #6B6860; line-height: 1.8; }

/* ── CONTACT ── */
.contact-layout { display: grid; grid-template-columns: 5fr 7fr; gap: 80px; align-items: start; }
.contact-title {
  font-family: 'EB Garamond', Georgia, serif;
  font-size: 2rem; font-weight: 400; line-height: 1.3; color: #0F0D0B;
}
.contact-body { font-size: 14px; color: #6B6860; line-height: 1.8; margin-top: 20px; max-width: 320px; }
.contact-detail { margin-top: 40px; padding-top: 40px; border-top: 1px solid rgba(0,0,0,0.09); }
.contact-detail-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.62rem; letter-spacing: 0.12em;
  text-transform: uppercase; color: #A8A49E; margin-bottom: 6px;
}
.contact-detail-value {
  font-size: 14px; color: #0F0D0B;
  text-decoration: none; transition: color 0.2s;
}
.contact-detail-value:hover { color: #D42233; }

/* ── FOUNDER ── */
.founder-bar { margin-top: 48px; padding-top: 40px; border-top: 1px solid rgba(0,0,0,0.09); }
.founder-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.62rem; letter-spacing: 0.12em;
  text-transform: uppercase; color: #A8A49E; margin-bottom: 8px;
}
.founder-line {
  font-family: 'EB Garamond', Georgia, serif;
  font-size: 1.05rem; color: #0F0D0B; line-height: 1.6;
}

/* ── FORM ── */
.form-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.62rem; letter-spacing: 0.12em; text-transform: uppercase; color: #A8A49E;
}
.form-label .req { color: #D42233; margin-left: 2px; }
.form-input {
  background: rgba(0,0,0,0.04);
  border: 1px solid rgba(0,0,0,0.14);
  color: #0F0D0B;
  font-family: Inter, sans-serif; font-size: 14px;
  padding: 12px 16px; outline: none; width: 100%;
  min-height: 44px; transition: border-color 0.2s;
}
.form-input::placeholder { color: #C0BBB4; }
.form-input:focus { border-color: rgba(0,0,0,0.4); background: rgba(0,0,0,0.02); }
.form-select { appearance: none; color: #6B6860; background: rgba(0,0,0,0.04); cursor: pointer; }
.form-textarea { resize: vertical; min-height: 120px; }
.form-footer {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 24px; padding-top: 8px; flex-wrap: wrap;
}
.form-disclaimer {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.58rem; letter-spacing: 0.06em;
  color: #A8A49E; max-width: 240px; line-height: 1.6;
}

/* Form success/error states */
.form-message {
  display: none;
  padding: 14px 20px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem; letter-spacing: 0.06em;
  text-transform: uppercase;
}
.form-message.success {
  display: block;
  background: rgba(0,0,0,0.04);
  border: 1px solid rgba(0,0,0,0.12);
  color: #3D7A4A;
}
.form-message.error {
  display: block;
  background: rgba(212,34,51,0.06);
  border: 1px solid rgba(212,34,51,0.2);
  color: #D42233;
}

.btn-submit {
  font-family: Inter, sans-serif;
  font-size: 11px; font-weight: 500; letter-spacing: 0.06em; text-transform: uppercase;
  color: #fff; background: #D42233; border: none;
  padding: 13px 28px; cursor: pointer;
  transition: background 0.2s;
  white-space: nowrap;
  display: inline-flex; align-items: center; gap: 10px;
  min-height: 44px;
}
.btn-submit:hover { background: #B31D2B; }
.btn-submit:disabled { opacity: 0.6; cursor: not-allowed; }

/* ── CLOSING CTA ── */
.cta-close { background: #0F0D0B; padding: 96px 0; text-align: center; }
.cta-close-inner { max-width: 1280px; margin: 0 auto; padding: 0 40px; }
.cta-close-headline {
  font-family: 'EB Garamond', Georgia, serif;
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 400; line-height: 1.2; color: #F5F1EA;
}
.cta-close-btn { margin-top: 44px; }

/* ── FOOTER ── */
footer {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 32px 0; background: #0F0D0B;
}
.footer-inner {
  max-width: 1280px; margin: 0 auto; padding: 0 40px;
  display: flex; align-items: center; justify-content: space-between;
}
.footer-logo .ry    { font-family: Inter, sans-serif; font-weight: 700; font-size: 13px; color: #F5F1EA; }
.footer-logo .nesco { font-family: Inter, sans-serif; font-weight: 700; font-size: 13px; color: #D42233; }
.footer-copy {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.62rem;
  /* Fixed: was #3D3A35 — too low contrast on dark bg */
  color: #7A7870;
}
.footer-right { display: flex; align-items: center; gap: 28px; }
.footer-links { display: flex; gap: 28px; }
.footer-link {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.62rem; letter-spacing: 0.06em; text-transform: uppercase;
  /* Fixed: was #3D3A35 — too low contrast */
  color: #7A7870;
  text-decoration: none; transition: color 0.2s;
}
.footer-link:hover { color: #C0BBB4; }
.footer-linkedin {
  display: flex; align-items: center;
  opacity: 0.65; transition: opacity 0.2s;
}
.footer-linkedin:hover { opacity: 1; }

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .nav-links, .nav-cta, .nav-globe { display: none; }
  .nav-hamburger { display: flex; }

  .hero-content { padding: 0 24px; }
  .hero-bullets li { justify-content: center; }

  .section { padding: 64px 0; }
  .section-inner { padding: 0 24px; }

  .sys-layout,
  .problem-layout,
  .eng-layout,
  .contact-layout { grid-template-columns: 1fr; gap: 48px; }

  .sys-grid { grid-template-columns: 1fr; }
  .statement-cols { grid-template-columns: 1fr; }
  .statement-col + .statement-col {
    padding-left: 0; border-left: none;
    border-top: 1px solid rgba(0,0,0,0.09);
    padding-top: 32px; margin-top: 32px;
  }
  .prin-grid { grid-template-columns: 1fr; }
  .sector-row { grid-template-columns: 32px 1fr; }
  .sector-row > :nth-child(3) { grid-column: 2; }
  .form-grid-2 { grid-template-columns: 1fr; }
  .footer-links { display: none; }
  .footer-copy { display: block; }
  .city-grid { grid-template-columns: 1fr 1fr; }
  .city-col {
    border-right: none;
    border-bottom: 1px solid rgba(0,0,0,0.09);
    padding: 28px 0;
  }
  .city-col:nth-child(odd) { padding-right: 16px; }
  .city-col:last-child { border-bottom: none; }
  .proof-section { padding: 80px 0; }
  .nav-inner { padding: 0 24px; }
  .cta-close-inner { padding: 0 24px; }
  .footer-inner { padding: 0 24px; flex-direction: column; align-items: flex-start; gap: 16px; }
  .proof-inner { padding: 0 24px; }
}

@media (max-width: 480px) {
  .city-grid { grid-template-columns: 1fr; }
  .prin-item { padding: 28px 24px; }
  .sys-item { padding: 28px 24px; }
}