/* ============================================================
   shared.css — MS Gas Engineering
   Design tokens, reset, utilities, and shared components.
   All four pages link this file; page-specific styles stay
   in each page's inline <style> block.
   ============================================================ */


/* ── 1. Design tokens ──────────────────────────────────── */
:root {
  --navy:        #0B1220;
  --navy-mid:    #131C2E;
  --orange:      #F56A1A;
  --orange-dark: #D9570A;
  --mint:        #22C55E;
  --white:       #ffffff;
  --bg-light:    #F7F8FA;
  --bg-subtle:   #EFF2F6;
  --text-1:      #0B1220;
  --text-2:      #334155;
  --text-3:      #6B7280;
  --text-dim:    #94A3B8;    /* for muted text on dark surfaces (replaces misuse of #475569) */
  --border:      #E5E7EB;
  --border-mid:  #CBD5E1;
  --max-w:       1200px;
  --pad-x:       clamp(20px, 5vw, 48px);
  --section-y:   clamp(88px, 10vw, 144px);
  --nav-h:       64px;
  --radius:      14px;
  --radius-sm:   8px;
  --ease:        .22s cubic-bezier(.4, 0, .2, 1);
  --shadow-card:          0 1px 2px rgba(11,18,32,.04), 0 8px 24px -6px rgba(11,18,32,.08);
  --shadow-card-hover:    0 2px 4px rgba(11,18,32,.05), 0 16px 40px -8px rgba(11,18,32,.14);
  --shadow-card-featured: 0 4px 8px rgba(245,106,26,.12), 0 24px 48px -12px rgba(11,18,32,.22);
}


/* ── 2. Reset ──────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html  { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body  { font-family: 'Inter', system-ui, sans-serif; color: var(--text-1); background: var(--white); line-height: 1.6; -webkit-font-smoothing: antialiased; }
img   { display: block; max-width: 100%; height: auto; }
a     { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; }
ul, ol { list-style: none; }


/* ── 3. Utilities ──────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--pad-x);
}

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border-width: 0;
}


/* ── 4. Scroll reveal ──────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.visible  { opacity: 1; transform: none; }
.reveal-d1 { transition-delay: .1s; }
.reveal-d2 { transition-delay: .2s; }
.reveal-d3 { transition-delay: .3s; }


/* ── 5. Buttons ────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 24px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.2;
  white-space: nowrap;
  transition: background var(--ease), color var(--ease),
              border-color var(--ease), transform var(--ease),
              box-shadow var(--ease);
  cursor: pointer;
}
.btn-primary  {
  background: var(--orange);
  color: var(--white);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.18),
              0 1px 2px rgba(217,87,10,.25),
              0 6px 20px -6px rgba(245,106,26,.55);
}
.btn-primary:hover  {
  background: var(--orange-dark);
  transform: translateY(-1px);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.2),
              0 2px 4px rgba(217,87,10,.3),
              0 10px 26px -6px rgba(245,106,26,.6);
}
.btn-primary:active { background: var(--orange-dark); transform: translateY(0); }

.btn-outline  { background: transparent; color: var(--white); border: 1.5px solid rgba(255,255,255,.35); }
.btn-outline:hover  { border-color: rgba(255,255,255,.7); background: rgba(255,255,255,.06); }

.btn-outline-dark { background: transparent; color: var(--text-1); border: 1.5px solid var(--border-mid); }
.btn-outline-dark:hover { border-color: var(--text-3); background: var(--bg-subtle); }

.btn-ghost    { background: transparent; color: var(--white); border: 1.5px solid rgba(255,255,255,.4); }
.btn-ghost:hover  { border-color: var(--white); background: rgba(255,255,255,.08); }

.btn-lg { font-size: 16px; padding: 16px 34px; min-height: 52px; }


/* ── 6. Overline ───────────────────────────────────────── */
.overline {
  display: block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 16px;
}
.overline--muted { color: var(--text-3); }


/* ── 7. Navigation — desktop ───────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11,18,32,.85);
  backdrop-filter: saturate(1.4) blur(16px);
  -webkit-backdrop-filter: saturate(1.4) blur(16px);
  border-bottom: 1px solid rgba(255,255,255,.07);
  box-shadow: inset 0 -1px 0 rgba(255,255,255,.03);
  transition: background var(--ease);
}
.nav__inner {
  display: flex;
  align-items: center;
  gap: 28px;
  height: var(--nav-h);
  padding: 0 var(--pad-x);
  max-width: var(--max-w);
  margin: 0 auto;
}

/* Brand mark: actual MS Gas Services logo on transparent navy */
.nav__logo          { display: inline-flex; align-items: center; flex-shrink: 0; }
.nav .nav__logo-img {
  display: block;
  height: 40px;
  width: auto;
  max-width: none;
  filter: drop-shadow(0 4px 12px rgba(245,106,26,.25));
}

.nav__links         { display: flex; align-items: center; gap: 4px; margin-left: 8px; flex: 1; }
.nav__link          { font-size: 14px; font-weight: 500; color: rgba(255,255,255,.7); padding: 7px 12px; border-radius: 7px; transition: color var(--ease), background var(--ease); }
.nav__link:hover, .nav__link.active { color: var(--white); background: rgba(255,255,255,.06); }

.nav__dropdown      { position: relative; }
.nav__dropdown-btn  {
  display: flex; align-items: center; gap: 4px;
  font-size: 14px; font-weight: 500; color: rgba(255,255,255,.75);
  padding: 6px 12px; border-radius: 6px;
  transition: all var(--ease);
  cursor: pointer; background: none; border: none; font-family: inherit;
}
.nav__dropdown-btn:hover          { color: var(--white); background: rgba(255,255,255,.06); }
.nav__dropdown-btn svg            { width: 14px; height: 14px; transition: transform var(--ease); }
.nav__dropdown.open .nav__dropdown-btn svg { transform: rotate(180deg); }
.nav__dropdown-menu {
  position: absolute; top: calc(100% + 8px); left: 0;
  background: var(--navy-mid);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius);
  padding: 8px; min-width: 220px;
  opacity: 0; visibility: hidden; transform: translateY(-8px);
  transition: all .18s ease;
  box-shadow: 0 16px 40px rgba(0,0,0,.4);
}
.nav__dropdown.open .nav__dropdown-menu { opacity: 1; visibility: visible; transform: none; }
.nav__dropdown-item { display: block; font-size: 14px; color: rgba(255,255,255,.75); padding: 9px 14px; border-radius: 6px; transition: all var(--ease); }
.nav__dropdown-item:hover, .nav__dropdown-item.active { color: var(--white); background: rgba(255,255,255,.06); }

.nav__actions   { display: flex; align-items: center; gap: 14px; margin-left: auto; }
.nav__phone     { display: flex; flex-direction: column; line-height: 1.2; }
.nav__phone:hover .nav__phone-num { color: var(--orange); }
.nav__phone-num   { font-size: 14px; font-weight: 700; color: var(--white); letter-spacing: -.01em; transition: color var(--ease); font-feature-settings: 'tnum'; }
.nav__phone-label { display: inline-flex; align-items: center; gap: 5px; font-size: 10px; font-weight: 500; color: rgba(255,255,255,.5); letter-spacing: .03em; margin-top: 2px; }
.nav__phone-dot   { width: 6px; height: 6px; border-radius: 50%; background: var(--mint); box-shadow: 0 0 0 0 rgba(34,197,94,.55); animation: pulse-dot 2.2s ease-out infinite; flex-shrink: 0; }
@keyframes pulse-dot {
  0%   { box-shadow: 0 0 0 0 rgba(34,197,94,.55); }
  70%  { box-shadow: 0 0 0 6px rgba(34,197,94,0); }
  100% { box-shadow: 0 0 0 0 rgba(34,197,94,0); }
}
.nav__cta       {
  background: var(--orange); color: var(--white);
  padding: 9px 18px; border-radius: var(--radius-sm);
  font-size: 13px; font-weight: 600;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.18), 0 4px 14px -4px rgba(245,106,26,.5);
  transition: background var(--ease), box-shadow var(--ease), transform var(--ease);
}
.nav__cta:hover { background: var(--orange-dark); transform: translateY(-1px); box-shadow: inset 0 1px 0 rgba(255,255,255,.2), 0 6px 18px -4px rgba(245,106,26,.6); }

.nav__hamburger {
  display: none;
  flex-direction: column; gap: 5px;
  width: 40px; height: 40px;
  align-items: center; justify-content: center;
  border-radius: 6px;
  transition: background var(--ease);
}
.nav__hamburger:hover { background: rgba(255,255,255,.08); }
.nav__hamburger span {
  display: block; width: 22px; height: 2px;
  background: var(--white); border-radius: 2px;
  transition: transform .25s ease, opacity .25s ease;
  transform-origin: center;
}
.nav__hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav__hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }


/* ── 8. Navigation — mobile drawer ────────────────────── */
.nav__drawer {
  position: fixed; inset: 0;
  z-index: 300;
  pointer-events: none;
}
.nav__drawer-overlay {
  position: absolute; inset: 0;
  background: rgba(0,0,0,.6);
  opacity: 0;
  transition: opacity .3s ease;
}
.nav__drawer-panel {
  position: absolute; top: 0; right: 0;
  width: 100%; height: 100%;
  background: var(--navy);
  padding: 76px 24px calc(28px + env(safe-area-inset-bottom));
  transform: translateX(100%);
  transition: transform .3s ease;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}
.nav__drawer.open                        { pointer-events: auto; }
.nav__drawer.open .nav__drawer-overlay   { opacity: 1; }
.nav__drawer.open .nav__drawer-panel     { transform: none; }

.drawer__link          { display: block; font-size: 16px; font-weight: 600; color: rgba(255,255,255,.85); padding: 13px 0; border-bottom: 1px solid rgba(255,255,255,.06); transition: color var(--ease); }
.drawer__link:hover, .drawer__link.active { color: var(--white); }
.drawer__section-label { font-size: 10px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: rgba(255,255,255,.3); margin: 24px 0 8px; }
.drawer__sub-link      { display: block; font-size: 14px; font-weight: 500; color: rgba(255,255,255,.6); padding: 9px 0; border-bottom: 1px solid rgba(255,255,255,.04); }
.drawer__sub-link:hover, .drawer__sub-link.active { color: rgba(255,255,255,.9); }
.drawer__actions       { margin-top: 28px; display: flex; flex-direction: column; gap: 12px; }
.drawer__call-btn      { display: flex; align-items: center; justify-content: center; gap: 8px; padding: 15px; background: var(--orange); color: var(--white); border-radius: var(--radius-sm); font-size: 16px; font-weight: 700; }
.drawer__call-btn:hover { background: var(--orange-dark); }
.drawer__close         { position: absolute; top: 18px; right: 18px; width: 34px; height: 34px; border-radius: 50%; background: rgba(255,255,255,.07); display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,.6); transition: all var(--ease); }
.drawer__close:hover   { background: rgba(255,255,255,.14); color: var(--white); }
.drawer__section       { padding-bottom: 8px; }
.drawer__section--links { border-top: 1px solid rgba(255,255,255,.06); padding-top: 8px; margin-top: 4px; }
.drawer__wa-btn        { display: flex; align-items: center; justify-content: center; gap: 8px; padding: 13px; background: #25d366; color: var(--white); border-radius: var(--radius-sm); font-size: 15px; font-weight: 600; }
.drawer__wa-btn:hover  { background: #1fb855; }
.drawer__cover-btn     { display: flex; align-items: center; justify-content: center; padding: 13px; border: 1.5px solid rgba(255,255,255,.2); border-radius: var(--radius-sm); font-size: 15px; font-weight: 600; color: rgba(255,255,255,.8); transition: all var(--ease); }
.drawer__cover-btn:hover { border-color: rgba(255,255,255,.45); color: var(--white); }

.drawer__services-toggle {
  width: 100%;
  display: flex; align-items: center; justify-content: space-between;
  padding: 13px 0;
  background: none; border: none;
  border-bottom: 1px solid rgba(255,255,255,.06);
  font-family: inherit; font-size: 16px; font-weight: 600;
  color: rgba(255,255,255,.85);
  cursor: pointer;
}
.drawer__services-toggle svg {
  color: rgba(255,255,255,.55);
  transition: transform .25s ease;
}
.drawer__services-toggle[aria-expanded="true"] svg { transform: rotate(180deg); }
.drawer__services-list {
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease;
}
.drawer__services-list.open { max-height: 460px; }
.drawer__services-list .drawer__sub-link { padding-left: 12px; }


/* ── 9. Footer ─────────────────────────────────────────── */
.footer {
  background: var(--navy);
  padding: 64px 0 0;
  border-top: 1px solid rgba(255,255,255,.06);
}
.footer__grid        { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 48px; padding-bottom: 48px; }
.footer__brand-name  { font-size: 15px; font-weight: 800; color: var(--white); margin-bottom: 3px; }
.footer__brand-sub   { font-size: 11px; color: rgba(255,255,255,.3); letter-spacing: .04em; text-transform: uppercase; }
.footer__brand-desc  { font-size: 14px; color: rgba(255,255,255,.4); line-height: 1.65; margin: 14px 0 20px; max-width: 240px; }
.footer__gas-safe    { display: inline-flex; align-items: center; gap: 8px; background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.08); border-radius: var(--radius-sm); padding: 8px 12px; }
.footer__gas-badge   { width: 26px; height: 26px; background: #e31837; border-radius: 4px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.footer__gas-safe-text { font-size: 11px; color: rgba(255,255,255,.45); line-height: 1.3; }
.footer__gas-safe-text strong { color: rgba(255,255,255,.75); display: block; font-size: 12px; }
.footer__col-title   { font-size: 11px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: rgba(255,255,255,.25); margin-bottom: 16px; }
.footer__link        { display: block; font-size: 14px; color: rgba(255,255,255,.5); padding: 4px 0; transition: color var(--ease); }
.footer__link:hover  { color: rgba(255,255,255,.85); }
.footer__link--phone { font-weight: 700; font-size: 15px; color: rgba(255,255,255,.8); }
.footer__link--phone:hover { color: var(--white); }
.footer__contact-note { font-size: 12px; color: rgba(255,255,255,.3); padding: 2px 0 8px; line-height: 1.4; display: block; }
.footer__bottom      { border-top: 1px solid rgba(255,255,255,.1); padding: 22px 0; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.footer__copy        { font-size: 13px; color: rgba(255,255,255,.5); }
.footer__legal       { display: flex; gap: 24px; }
.footer__legal a     { font-size: 14px; font-weight: 500; color: rgba(255,255,255,.7); text-decoration: underline; text-decoration-color: rgba(255,255,255,.25); text-underline-offset: 3px; transition: color var(--ease), text-decoration-color var(--ease); }
.footer__legal a:hover { color: var(--white); text-decoration-color: rgba(255,255,255,.6); }

.footer__social         { display: flex; gap: 10px; margin-top: 18px; margin-bottom: 22px; }
.footer__social-link    { display: inline-flex; align-items: center; justify-content: center; width: 36px; height: 36px; border-radius: 50%; background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.1); color: rgba(255,255,255,.7); transition: all var(--ease); }
.footer__social-link:hover { background: var(--orange); border-color: var(--orange); color: var(--white); transform: translateY(-1px); }
.footer__social-link svg { width: 16px; height: 16px; }
.footer__address     { font-size: 12px; color: rgba(255,255,255,.28); line-height: 1.65; margin-top: 14px; }


/* ── 10. WhatsApp FAB ──────────────────────────────────── */
.whatsapp-fab {
  position: fixed; bottom: 24px; right: 24px;
  z-index: 50;
  width: 52px; height: 52px;
  border-radius: 50%;
  background: #25d366;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 16px rgba(37,211,102,.4);
  transition: transform var(--ease);
}
.whatsapp-fab:hover { transform: scale(1.08); }
.whatsapp-fab svg   { width: 28px; height: 28px; }


/* ── 11. Sticky mobile CTA bar ─────────────────────────── */
.mob-cta-bar {
  position: fixed; bottom: 0; left: 0; right: 0;
  z-index: 200;
  display: none;
  background: var(--navy);
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 10px 16px calc(10px + env(safe-area-inset-bottom));
  gap: 10px;
}
.mob-cta-bar__call,
.mob-cta-bar__wa {
  flex: 1;
  display: flex; align-items: center; justify-content: center;
  gap: 7px;
  font-size: 15px; font-weight: 700;
  border-radius: var(--radius-sm);
  padding: 13px 12px;
  min-height: 48px;
  letter-spacing: -.01em;
  color: var(--white);
}
.mob-cta-bar__call       { background: var(--orange); }
.mob-cta-bar__call:hover { background: var(--orange-dark); }
.mob-cta-bar__wa         { background: #25d366; }
.mob-cta-bar__wa:hover   { background: #1fb855; }


/* ── 12. Accessibility ─────────────────────────────────── */
/* Design-appropriate focus ring (orange, not default browser outline) */
:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
  border-radius: 4px;
}
:focus:not(:focus-visible) { outline: none; }

/* Honour reduced-motion preference — disable scroll reveals */
@media (prefers-reduced-motion: reduce) {
  .reveal, .reveal-d1, .reveal-d2, .reveal-d3 {
    opacity: 1;
    transform: none;
    transition: none;
  }
}


/* ── 13. Responsive — nav ──────────────────────────────── */
@media (max-width: 1024px) {
  .nav__links,
  .nav__phone,
  .nav__cta     { display: none; }
  .nav__hamburger { display: flex; }
  .nav .nav__logo-img { height: 36px; }
}

@media (max-width: 480px) {
  .nav .nav__logo-img { height: 32px; }
}

/* ── 14. Responsive — footer & mob-cta ────────────────── */
@media (max-width: 1024px) {
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 36px; }
}

@media (max-width: 768px) {
  .mob-cta-bar  { display: flex; }
  .whatsapp-fab { display: none; }
  body          { padding-bottom: 80px; }
  .whatsapp-fab { width: 44px; height: 44px; bottom: 16px; right: 16px; }
  .whatsapp-fab svg { width: 22px; height: 22px; }
}

@media (min-width: 769px) {
  .mob-cta-bar  { display: none; }
}

@media (max-width: 480px) {
  .footer__grid   { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; align-items: flex-start; }
}


/* ── 15. Page hero (internal pages) ─────────────────────── */
.page-hero {
  background: var(--navy);
  padding: clamp(64px, 10vw, 100px) 0 clamp(56px, 8vw, 80px);
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  top: -120px; right: -80px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(245,106,26,.08) 0%, transparent 70%);
  pointer-events: none;
}
.page-hero__inner {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 64px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.page-hero__inner--single { grid-template-columns: 1fr; max-width: 760px; }
.page-hero__badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(245,106,26,.12);
  border: 1px solid rgba(245,106,26,.2);
  border-radius: 100px; padding: 6px 14px; margin-bottom: 24px;
}
.page-hero__badge-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--orange);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.4} }
.page-hero__badge-text {
  font-size: 12px; font-weight: 600;
  color: var(--orange); letter-spacing: .04em;
  text-transform: uppercase;
}
.page-hero__headline {
  font-size: clamp(34px, 5.5vw, 58px);
  font-weight: 900;
  line-height: 1.07;
  letter-spacing: -.03em;
  color: var(--white);
  margin-bottom: 20px;
}
.page-hero__headline .accent { color: var(--orange); }
.page-hero__sub {
  font-size: clamp(15px, 1.8vw, 17px);
  color: rgba(255,255,255,.65);
  line-height: 1.7;
  max-width: 520px;
  margin-bottom: 36px;
}
.page-hero__actions { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 32px; }
.page-hero__phone-cta {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 16px 28px; background: var(--orange); color: var(--white);
  border-radius: var(--radius-sm); font-size: 18px; font-weight: 800;
  letter-spacing: -.01em; transition: all var(--ease);
}
.page-hero__phone-cta:hover { background: var(--orange-dark); transform: translateY(-1px); }
.page-hero__phone-cta svg { width: 20px; height: 20px; flex-shrink: 0; }
.page-hero__alt-cta {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 16px 24px; background: transparent; color: rgba(255,255,255,.85);
  border: 1.5px solid rgba(255,255,255,.25); border-radius: var(--radius-sm);
  font-size: 15px; font-weight: 600; transition: all var(--ease);
}
.page-hero__alt-cta:hover { border-color: rgba(255,255,255,.6); background: rgba(255,255,255,.05); }
.page-hero__alt-cta svg { width: 16px; height: 16px; }
.page-hero__signals { display: flex; flex-wrap: wrap; gap: 18px; }
.page-hero__signal { display: flex; align-items: center; gap: 7px; font-size: 13px; font-weight: 500; color: rgba(255,255,255,.55); }
.page-hero__signal-check {
  width: 16px; height: 16px; border-radius: 50%;
  background: rgba(245,106,26,.2);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.page-hero__signal-check svg { width: 9px; height: 9px; color: var(--orange); }

/* Hero proof panel (right column) */
.page-hero__proof {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius);
  padding: 4px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3px;
}
.proof-stat { padding: 22px 20px; background: rgba(255,255,255,.03); }
.proof-stat:first-child { border-radius: 9px 0 0 0; }
.proof-stat:nth-child(2) { border-radius: 0 9px 0 0; }
.proof-stat:nth-child(3) { border-radius: 0 0 0 9px; }
.proof-stat:nth-child(4) { border-radius: 0 0 9px 0; }
.proof-stat__num { font-size: 32px; font-weight: 900; color: var(--orange); letter-spacing: -.03em; line-height: 1; }
.proof-stat__label { font-size: 12px; color: rgba(255,255,255,.5); margin-top: 6px; line-height: 1.4; }
.page-hero__gas-safe {
  grid-column: 1 / -1;
  display: flex; align-items: center; gap: 10px;
  padding: 13px 16px;
  background: rgba(255,255,255,.04);
  border-radius: 9px;
}
.page-hero__gas-badge {
  width: 34px; height: 34px;
  background: #e31837;
  border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.page-hero__gas-badge svg { width: 18px; height: 18px; color: #fff; }
.page-hero__gas-text { font-size: 12px; color: rgba(255,255,255,.55); line-height: 1.4; }
.page-hero__gas-text strong { color: var(--white); display: block; font-size: 13px; }

@media (max-width: 1024px) {
  .page-hero__inner { grid-template-columns: 1fr; gap: 40px; max-width: 720px; }
}
@media (max-width: 480px) {
  .page-hero__phone-cta { font-size: 16px; padding: 14px 22px; }
  .page-hero__actions  { flex-direction: column; align-items: stretch; }
  .page-hero__phone-cta, .page-hero__alt-cta { justify-content: center; }
}


/* ── 16. Trust strip (under hero) ──────────────────────── */
.trust-strip {
  background: var(--navy-mid);
  border-top: 1px solid rgba(255,255,255,.06);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.trust-strip__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.trust-strip__cell {
  padding: 22px 24px;
  text-align: center;
  border-right: 1px solid rgba(255,255,255,.06);
}
.trust-strip__cell:last-child { border-right: none; }
.trust-strip__num {
  font-size: 24px; font-weight: 900;
  color: var(--orange); letter-spacing: -.02em; line-height: 1;
}
.trust-strip__label {
  font-size: 12px; color: rgba(255,255,255,.45);
  margin-top: 5px; line-height: 1.4;
}
@media (max-width: 768px) {
  .trust-strip__grid { grid-template-columns: 1fr 1fr; }
  .trust-strip__cell { border-right: none; border-bottom: 1px solid rgba(255,255,255,.06); }
  .trust-strip__cell:nth-child(odd) { border-right: 1px solid rgba(255,255,255,.06); }
  .trust-strip__cell:nth-child(3), .trust-strip__cell:nth-child(4) { border-bottom: none; }
}


/* ── 17. Section primitives ────────────────────────────── */
.section          { padding: var(--section-y) 0; }
.section--white   { background: var(--white); }
.section--light   { background: var(--bg-light); }
.section--subtle  { background: var(--bg-subtle); }
.section--navy    { background: var(--navy); color: rgba(255,255,255,.85); }
.section--navy-mid { background: var(--navy-mid); color: rgba(255,255,255,.85); }

.section-header { max-width: 580px; margin-bottom: 48px; }
.section-header--center { text-align: center; margin-left: auto; margin-right: auto; }
.section-headline {
  font-size: clamp(26px, 3.5vw, 38px);
  font-weight: 800;
  letter-spacing: -.025em;
  line-height: 1.15;
  color: var(--text-1);
}
.section--navy .section-headline,
.section--navy-mid .section-headline { color: var(--white); }
.section-sub {
  font-size: 16px;
  color: var(--text-3);
  margin-top: 14px;
  line-height: 1.65;
}
.section--navy .section-sub,
.section--navy-mid .section-sub { color: rgba(255,255,255,.6); }
.section-overline {
  display: block; font-size: 11px; font-weight: 700;
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--orange); margin-bottom: 14px;
}


/* ── 18. Tile grid (cards with icon + title + body) ───── */
.tile-grid {
  display: grid;
  gap: 16px;
}
.tile-grid--3 { grid-template-columns: repeat(3, 1fr); }
.tile-grid--4 { grid-template-columns: repeat(4, 1fr); }
.tile-grid--seamless {
  gap: 3px;
  background: var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.tile {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 26px;
  display: flex; flex-direction: column;
  gap: 14px;
}
.tile-grid--seamless .tile { border: none; border-radius: 0; padding: 32px 28px 36px; }
.tile__icon {
  width: 40px; height: 40px;
  border-radius: var(--radius-sm);
  background: rgba(245,106,26,.08);
  color: var(--orange);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.tile__icon svg { width: 20px; height: 20px; }
.tile__title { font-size: 16px; font-weight: 700; color: var(--text-1); letter-spacing: -.01em; }
.tile__body  { font-size: 14px; color: var(--text-3); line-height: 1.6; }
.tile__body strong { color: var(--text-2); font-weight: 600; }

/* Numbered tile (process steps) */
.tile--numbered .tile__num {
  font-size: 42px; font-weight: 900;
  color: var(--orange); opacity: .14;
  line-height: 1; letter-spacing: -.04em;
  margin-bottom: 4px;
}

@media (max-width: 1024px) {
  .tile-grid--3, .tile-grid--4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .tile-grid--3, .tile-grid--4 { grid-template-columns: 1fr; }
}


/* ── 19. Checklist (what's included style) ─────────────── */
.checklist { display: flex; flex-direction: column; }
.checklist__item {
  display: grid;
  grid-template-columns: 22px 1fr;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  align-items: start;
}
.checklist__item:last-child { border-bottom: none; }
.checklist__icon {
  width: 22px; height: 22px;
  border-radius: 50%;
  background: rgba(245,106,26,.12);
  color: var(--orange);
  display: flex; align-items: center; justify-content: center;
  margin-top: 1px;
}
.checklist__icon svg { width: 12px; height: 12px; }
.checklist__title { font-size: 15px; font-weight: 700; color: var(--text-1); margin-bottom: 4px; letter-spacing: -.005em; }
.checklist__body  { font-size: 14px; color: var(--text-3); line-height: 1.55; }
.section--navy .checklist__item, .section--navy-mid .checklist__item { border-color: rgba(255,255,255,.08); }
.section--navy .checklist__title, .section--navy-mid .checklist__title { color: var(--white); }
.section--navy .checklist__body, .section--navy-mid .checklist__body { color: rgba(255,255,255,.55); }


/* ── 20. Generic info card / brand card ─────────────────── */
.info-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}
.info-card__title { font-size: 11px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--text-3); margin-bottom: 18px; }
.info-card__body  { font-size: 14px; color: var(--text-2); line-height: 1.65; }

.chip-grid { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  font-size: 13px; font-weight: 500;
  color: var(--text-2);
  background: var(--bg-subtle);
  padding: 7px 14px;
  border-radius: 100px;
  border: 1px solid var(--border);
}


/* ── 21. Two-column layout ─────────────────────────────── */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.two-col--narrow-right { grid-template-columns: 1fr 380px; gap: 56px; }
.two-col--center { align-items: center; }
@media (max-width: 1024px) {
  .two-col, .two-col--narrow-right { grid-template-columns: 1fr; gap: 40px; }
}


/* ── 22. Final CTA band ────────────────────────────────── */
.cta-band {
  background: var(--navy-mid);
  padding: var(--section-y) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: '';
  position: absolute; inset: auto -10% -40% auto;
  width: 480px; height: 480px;
  background: radial-gradient(circle, rgba(245,106,26,.08) 0%, transparent 70%);
  pointer-events: none;
}
.cta-band__inner { max-width: 600px; margin: 0 auto; position: relative; }
.cta-band__headline { font-size: clamp(28px, 4vw, 44px); font-weight: 900; color: var(--white); letter-spacing: -.03em; line-height: 1.1; margin-bottom: 16px; }
.cta-band__sub { font-size: 16px; color: rgba(255,255,255,.6); line-height: 1.65; margin-bottom: 32px; }
.cta-band__actions { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; }
.cta-band__signals { display: flex; justify-content: center; flex-wrap: wrap; gap: 24px; margin-top: 28px; }
.cta-band__signal { font-size: 13px; color: rgba(255,255,255,.4); display: flex; align-items: center; gap: 6px; }
.cta-band__signal::before { content: '\2713'; color: var(--orange); font-weight: 700; }
@media (max-width: 480px) {
  .cta-band__actions .btn { width: 100%; }
}


/* ── 23. Plan upsell band ──────────────────────────────── */
.upsell {
  background: var(--navy);
  padding: var(--section-y) 0;
  position: relative;
  overflow: hidden;
}
.upsell::before {
  content: '';
  position: absolute; bottom: -100px; left: -80px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(245,106,26,.07) 0%, transparent 70%);
  pointer-events: none;
}
.upsell__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
  position: relative;
}
.upsell__headline { font-size: clamp(26px, 3.2vw, 36px); font-weight: 800; letter-spacing: -.025em; line-height: 1.15; color: var(--white); margin-bottom: 16px; }
.upsell__sub { font-size: 16px; color: rgba(255,255,255,.6); line-height: 1.7; margin-bottom: 28px; }
.upsell__link { display: inline-flex; align-items: center; gap: 8px; font-size: 15px; font-weight: 700; color: var(--orange); transition: gap var(--ease); }
.upsell__link:hover { gap: 14px; }
.upsell__link svg { width: 16px; height: 16px; }
.plan-compare { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.plan-compare__col { background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.08); border-radius: var(--radius); padding: 24px; }
.plan-compare__col--highlight { background: rgba(245,106,26,.08); border-color: rgba(245,106,26,.25); }
.plan-compare__label { font-size: 11px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: rgba(255,255,255,.35); margin-bottom: 10px; }
.plan-compare__col--highlight .plan-compare__label { color: var(--orange); }
.plan-compare__price { font-size: 30px; font-weight: 900; color: var(--white); letter-spacing: -.02em; line-height: 1; }
.plan-compare__price span { font-size: 14px; font-weight: 500; color: rgba(255,255,255,.4); }
.plan-compare__desc { font-size: 13px; color: rgba(255,255,255,.45); margin-top: 8px; line-height: 1.55; }
.plan-compare__col--highlight .plan-compare__desc { color: rgba(255,255,255,.7); }
@media (max-width: 1024px) { .upsell__inner { grid-template-columns: 1fr; gap: 40px; } }


/* ── 24. Pricing tier cards ────────────────────────────── */
.tier-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.tier {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 30px;
  display: flex; flex-direction: column;
  position: relative;
  box-shadow: var(--shadow-card);
}
.tier--featured {
  border-color: rgba(245,106,26,.45);
  box-shadow: var(--shadow-card-featured);
  transform: translateY(-4px);
}
.tier__badge {
  position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  background: var(--orange); color: var(--white);
  font-size: 11px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase;
  padding: 5px 14px; border-radius: 100px;
}
.tier__name { font-size: 14px; font-weight: 700; color: var(--text-3); letter-spacing: .02em; text-transform: uppercase; margin-bottom: 8px; }
.tier__price-row { display: flex; align-items: baseline; gap: 8px; margin-bottom: 6px; }
.tier__price { font-size: 44px; font-weight: 900; color: var(--text-1); letter-spacing: -.03em; line-height: 1; }
.tier__per { font-size: 14px; font-weight: 500; color: var(--text-3); }
.tier__sub { font-size: 13px; color: var(--text-3); margin-bottom: 22px; line-height: 1.5; }
.tier__features { display: flex; flex-direction: column; gap: 12px; padding: 22px 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); margin-bottom: 22px; }
.tier__feature { display: flex; align-items: flex-start; gap: 10px; font-size: 14px; color: var(--text-2); line-height: 1.5; }
.tier__feature svg { width: 14px; height: 14px; color: var(--orange); flex-shrink: 0; margin-top: 4px; }
.tier__feature--off { color: var(--text-3); }
.tier__feature--off svg { color: var(--border-mid); }
.tier__cta { margin-top: auto; }
.tier__cta .btn { width: 100%; }

@media (max-width: 1024px) {
  .tier-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; gap: 16px; }
  .tier--featured { transform: none; }
}


/* ── 25. FAQ accordion ────────────────────────────────── */
.faq-list {
  display: flex; flex-direction: column;
  border-top: 1px solid var(--border);
}
.faq-item {
  border-bottom: 1px solid var(--border);
}
.faq-item__btn {
  display: flex; align-items: center; justify-content: space-between;
  width: 100%; padding: 22px 0;
  text-align: left;
  font-size: 16px; font-weight: 600;
  color: var(--text-1);
  letter-spacing: -.005em;
  background: none; border: none; cursor: pointer;
}
.faq-item__btn:hover { color: var(--orange); }
.faq-item__icon {
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--bg-subtle);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  transition: transform var(--ease), background var(--ease);
}
.faq-item__icon svg { width: 12px; height: 12px; color: var(--text-2); transition: transform var(--ease); }
.faq-item.open .faq-item__icon { background: var(--orange); }
.faq-item.open .faq-item__icon svg { color: #fff; transform: rotate(180deg); }
.faq-item__panel {
  max-height: 0; overflow: hidden;
  transition: max-height .25s ease;
}
.faq-item.open .faq-item__panel { max-height: 600px; }
.faq-item__body {
  padding: 0 0 24px;
  font-size: 15px; color: var(--text-2); line-height: 1.7;
  max-width: 720px;
}
.faq-item__body p + p { margin-top: 12px; }
.faq-item__body a { color: var(--orange); text-decoration: underline; text-underline-offset: 3px; }


/* ── 26. Form primitives ──────────────────────────────── */
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 18px; }
.form-label { font-size: 13px; font-weight: 600; color: var(--text-2); letter-spacing: .005em; }
.form-label__req { color: var(--orange); }
.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 13px 16px;
  font-family: inherit;
  font-size: 15px;
  color: var(--text-1);
  background: var(--white);
  border: 1px solid var(--border-mid);
  border-radius: var(--radius-sm);
  transition: border-color var(--ease), box-shadow var(--ease);
}
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--orange);
  box-shadow: 0 0 0 3px rgba(245,106,26,.15);
}
.form-textarea { min-height: 120px; resize: vertical; }
.form-help { font-size: 12px; color: var(--text-3); margin-top: 4px; line-height: 1.5; }
.form-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 600px) { .form-grid-2 { grid-template-columns: 1fr; } }


/* ── 27. Misc inline helpers ──────────────────────────── */
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(245,106,26,.08);
  border: 1px solid rgba(245,106,26,.18);
  padding: 6px 12px; border-radius: 100px;
  font-size: 11px; font-weight: 700; color: var(--orange);
  letter-spacing: .08em; text-transform: uppercase;
  margin-bottom: 16px;
}
.text-center { text-align: center; }
.mt-section { margin-top: var(--section-y); }
.stack-md > * + * { margin-top: 12px; }
.stack-lg > * + * { margin-top: 18px; }