/* ====================================================================
   HVAC Advertising Agency — Site Stylesheet
   Source: design system colors_and_type.css + Atoms.jsx interaction CSS
   + marketing-site index.html responsive rules. Zero-radius house rule.
   ==================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

:root {
  /* ─── Brand Colors ──────────────────────────────────────────── */
  --hvac-lime:       #BDE162;
  --hvac-lime-600:   #A6CC4E;
  --hvac-lime-700:   #8FB23B;
  --hvac-lime-100:   #E8F4C8;

  --hvac-navy:       #171D2F;
  --hvac-navy-800:   #222942;
  --hvac-navy-700:   #2E3653;
  --hvac-navy-500:   #4A5475;

  --hvac-neutral:    #EDF0F6;
  --hvac-neutral-200:#DDE2EC;
  --hvac-neutral-400:#9BA3B7;
  --white:           #FFFFFF;

  /* ─── Semantic ─────────────────────────────────────────────── */
  --bg:              var(--white);
  --bg-alt:          var(--hvac-neutral);
  --bg-dark:         var(--hvac-navy);
  --surface:         var(--white);
  --surface-dark:    var(--hvac-navy-800);

  --fg1:             var(--hvac-navy);
  --fg2:             var(--hvac-navy-500);
  --fg3:             var(--hvac-neutral-400);
  --fg-on-dark:      var(--white);
  --fg-on-dark-2:    #B6BED3;

  --accent:          var(--hvac-lime);
  --accent-ink:      var(--hvac-navy);
  --border:          var(--hvac-neutral-200);
  --border-dark:     var(--hvac-navy-700);

  --success:         #2FAE65;
  --warning:         #F2B544;
  --danger:          #E0563E;

  /* ─── Typography ───────────────────────────────────────────── */
  --font-sans: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --font-mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;

  --fs-hero:   64px;   --lh-hero: 1.05;  --ls-hero: -0.04em; --fw-hero: 800;
  --fs-h1:     56px;   --lh-h1:   1.08;  --ls-h1:   -0.035em;--fw-h1:   800;
  --fs-h2:     48px;   --lh-h2:   1.1;   --ls-h2:   -0.025em;--fw-h2:   700;
  --fs-h3:     28px;   --lh-h3:   1.25;  --ls-h3:   -0.015em;--fw-h3:   700;
  --fs-h4:     22px;   --lh-h4:   1.3;   --ls-h4:   -0.01em; --fw-h4:   700;
  --fs-body:   18px;   --lh-body: 1.7;
  --fs-sm:     15px;   --lh-sm:   1.55;
  --fs-xs:     13px;   --lh-xs:   1.5;
  --fs-eyebrow:13px;   --ls-eyebrow: 0.14em; --fw-eyebrow: 700;

  /* ─── Spacing ──────────────────────────────────────────────── */
  --space-1: 4px;   --space-2: 8px;   --space-3: 12px;
  --space-4: 16px;  --space-5: 24px;  --space-6: 32px;
  --space-7: 48px;  --space-8: 64px;  --space-9: 96px;
  --space-10: 120px;

  /* ─── Radii (zero-radius house rule) ───────────────────────── */
  --radius-sm: 0; --radius: 0; --radius-lg: 0; --radius-pill: 0;

  /* ─── Shadows ──────────────────────────────────────────────── */
  --shadow-sm: 0 1px 2px rgba(23,29,47,0.06);
  --shadow:    0 8px 30px rgba(0,0,0,0.08);
  --shadow-lg: 0 18px 50px rgba(23,29,47,0.12);
  --shadow-lime: 0 12px 30px rgba(189,225,98,0.35);

  /* ─── Layout ───────────────────────────────────────────────── */
  --content-max: 1280px;
  --section-py:  120px;

  /* ─── Motion ───────────────────────────────────────────────── */
  --ease-out: cubic-bezier(0.2, 0.7, 0.2, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --dur-fast: 120ms;
  --dur: 200ms;
  --dur-slow: 380ms;
}

/* ─── Reset & base ──────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  background: var(--bg); color: var(--fg1);
  font-family: var(--font-sans);
}
body {
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
html { scroll-behavior: smooth; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }

/* ─── Type scale ────────────────────────────────────────────── */
.h-hero, h1.hero, .hvac-hero-h1 {
  font-size: var(--fs-hero); line-height: var(--lh-hero);
  letter-spacing: var(--ls-hero); font-weight: var(--fw-hero);
  color: inherit; margin: 0;
}
h1, .hvac-page-h1 {
  font-size: var(--fs-h1); line-height: var(--lh-h1);
  letter-spacing: var(--ls-h1); font-weight: var(--fw-h1);
  color: inherit; margin: 0;
}
h2, .hvac-h2 {
  font-size: var(--fs-h2); line-height: var(--lh-h2);
  letter-spacing: var(--ls-h2); font-weight: var(--fw-h2);
  color: inherit; margin: 0;
}
h3 {
  font-size: var(--fs-h3); line-height: var(--lh-h3);
  letter-spacing: var(--ls-h3); font-weight: var(--fw-h3);
  color: inherit; margin: 0;
}
h4 {
  font-size: var(--fs-h4); line-height: var(--lh-h4);
  letter-spacing: var(--ls-h4); font-weight: var(--fw-h4);
  color: inherit; margin: 0;
}
p {
  font-size: var(--fs-body); line-height: var(--lh-body);
  color: var(--fg2); max-width: 640px; margin: 0;
}
small, .small { font-size: var(--fs-sm); line-height: var(--lh-sm); color: var(--fg2); }
code, .mono { font-family: var(--font-mono); font-size: 0.92em; }

.eyebrow {
  font-size: var(--fs-eyebrow); letter-spacing: var(--ls-eyebrow);
  font-weight: var(--fw-eyebrow); text-transform: uppercase;
  color: var(--fg2);
}
.eyebrow--dark { color: var(--white); }

/* ─── Layout helpers ───────────────────────────────────────── */
.hvac-container {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 32px;
}
.hvac-section { padding: 120px 0; }

/* ─── Buttons ──────────────────────────────────────────────── */
.hvac-btn {
  font-family: inherit; font-weight: 700; border: 0;
  border-radius: 0; cursor: pointer;
  display: inline-flex; align-items: center; gap: 10px;
  letter-spacing: -.005em; text-decoration: none; white-space: nowrap;
  transition: background 220ms ease, color 220ms ease, border-color 220ms ease;
  padding: 18px 34px; font-size: 15px;
}
.hvac-btn--sm { padding: 12px 22px; font-size: 14px; }
.hvac-btn--lg { padding: 22px 40px; font-size: 17px; }
.hvac-btn--primary        { background: var(--hvac-lime); color: var(--hvac-navy); }
.hvac-btn--primary:hover  { background: #C7E879; }
.hvac-btn--secondaryLight { background: transparent; color: var(--hvac-navy); border: 1.5px solid var(--hvac-navy); }
.hvac-btn--secondaryLight:hover { background: var(--hvac-navy); color: var(--white); }
.hvac-btn--secondaryDark  { background: transparent; color: var(--white); border: 1.5px solid var(--white); }
.hvac-btn--secondaryDark:hover { background: var(--white); color: var(--hvac-navy); }
.hvac-btn--ghost          { background: transparent; color: var(--hvac-navy); }
.hvac-btn--ghostDark      { background: transparent; color: var(--white); }
.hvac-btn__arrow { display: inline-flex; transition: transform 220ms ease; }
.hvac-btn:hover .hvac-btn__arrow { transform: translateX(4px); }
.hvac-btn:focus-visible { outline: 2px solid var(--white); outline-offset: 3px; }

/* ─── Cards ────────────────────────────────────────────────── */
.hvac-card { transition: border-color 220ms ease, box-shadow 220ms ease; }
.hvac-card:hover { border-color: transparent; box-shadow: 0 8px 30px rgba(0,0,0,.08); }

/* ─── Nav links ────────────────────────────────────────────── */
.hvac-nav-link {
  position: relative;
  color: var(--white);
  text-decoration: none;
  transition: color 220ms ease;
}
.hvac-nav-link::after {
  content: '';
  position: absolute;
  left: 0; bottom: -8px;
  height: 2px; width: 0;
  background: var(--white);
  transition: width 320ms cubic-bezier(.4, 0, .2, 1);
  border-radius: 0;
}
.hvac-nav-link:hover::after,
.hvac-nav-link--active::after { width: 100%; }

/* ─── Nav dropdown ─────────────────────────────────────────── */
.hvac-caret-wrap {
  display: inline-flex; align-items: center; justify-content: center;
  flex-shrink: 0; transform-origin: 50% 50%; will-change: transform;
  transform: rotate(0deg);
  transition: transform 360ms cubic-bezier(.22, 1, .36, 1);
}
.hvac-nav-dropdown:hover .hvac-caret-wrap,
.hvac-nav-dropdown:focus-within .hvac-caret-wrap,
.hvac-caret-wrap.is-open { transform: rotate(180deg); }
.hvac-caret-wrap > svg { display: block; shape-rendering: geometricPrecision; }

.hvac-nav-dropdown { position: relative; display: inline-flex; align-items: center; }
.hvac-nav-menu {
  position: absolute;
  top: 100%; left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 240px;
  background: #171D2F;
  border: 1px solid #2E3653;
  padding: 8px 0;
  box-shadow: 0 18px 50px rgba(0,0,0,.45);
  opacity: 0; pointer-events: none;
  transition: opacity 240ms ease, transform 280ms cubic-bezier(.22,.61,.36,1);
  z-index: 80;
}
.hvac-nav-menu::before {
  content: ''; position: absolute;
  top: -12px; left: 0; right: 0; height: 12px;
}
.hvac-nav-dropdown:hover .hvac-nav-menu,
.hvac-nav-dropdown:focus-within .hvac-nav-menu {
  opacity: 1; pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}
.hvac-menu-link {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding: 12px 22px;
  color: #fff; font-size: 15px; font-weight: 500;
  text-decoration: none; cursor: pointer;
  transition: background 200ms ease, color 200ms ease;
}
.hvac-menu-link svg { opacity: 0; transform: translateX(-4px);
  transition: opacity 220ms ease, transform 240ms cubic-bezier(.22,.61,.36,1); }
.hvac-menu-link:hover { background: rgba(255,255,255,.04); }
.hvac-menu-link:hover svg { opacity: 1; transform: translateX(0); }
.hvac-menu-link--all {
  margin-top: 8px; padding-top: 14px; padding-bottom: 14px;
  border-top: 1px solid #2E3653;
  color: var(--hvac-lime); font-weight: 700; letter-spacing: .01em;
}
.hvac-menu-link--all svg { opacity: 1; transform: translateX(0); }
.hvac-menu-link--all:hover { background: rgba(189,225,98,.08); }

/* ─── Mobile drawer ────────────────────────────────────────── */
.hvac-nav-toggle {
  display: none; background: transparent; border: 0; color: #fff;
  cursor: pointer; align-self: center; width: 44px; height: 44px;
  padding: 0; align-items: center; justify-content: center;
  position: relative; z-index: 80;
}
.hvac-burger { position: relative; width: 24px; height: 18px; display: inline-block; }
.hvac-burger > span {
  position: absolute; left: 0; right: 0; height: 2px; background: #fff;
  transform-origin: 50% 50%; will-change: transform, opacity;
  transition: transform 520ms cubic-bezier(.65, 0, .35, 1),
    opacity 240ms cubic-bezier(.4, 0, .2, 1), background-color 200ms ease;
}
.hvac-burger > span:nth-child(1) { top: 0;    transform: translateY(0) rotate(0deg); }
.hvac-burger > span:nth-child(2) { top: 8px;  transform: scaleX(1); opacity: 1; }
.hvac-burger > span:nth-child(3) { top: 16px; transform: translateY(0) rotate(0deg); }
.hvac-nav-toggle.is-open .hvac-burger > span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.hvac-nav-toggle.is-open .hvac-burger > span:nth-child(2) {
  transform: scaleX(0); opacity: 0;
  transition: transform 280ms cubic-bezier(.4, 0, .2, 1), opacity 200ms cubic-bezier(.4, 0, .2, 1);
}
.hvac-nav-toggle.is-open .hvac-burger > span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

.hvac-drawer {
  position: fixed; top: 0; right: 0; bottom: 0;
  width: min(340px, 86vw);
  background: #171D2F;
  border-left: 1px solid #2E3653;
  z-index: 55;
  transform: translateX(100%);
  transition: transform 420ms cubic-bezier(.22,.61,.36,1), visibility 0s linear 420ms;
  box-shadow: -24px 0 60px rgba(0,0,0,.45);
  overflow-y: auto;
  padding-top: 96px;
  visibility: hidden;
}
.hvac-drawer.is-open {
  transform: translateX(0); visibility: visible;
  transition: transform 420ms cubic-bezier(.22,.61,.36,1), visibility 0s linear 0s;
}
.hvac-drawer-link {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 0;
  color: #fff; font-size: 22px; letter-spacing: -.01em;
  text-decoration: none; cursor: pointer;
  border-bottom: 1px solid #2E3653;
  opacity: 0; transform: translateX(12px);
  transition: opacity 260ms ease, transform 320ms cubic-bezier(.22,.61,.36,1);
  transition-delay: calc(200ms + var(--i, 0) * 60ms);
}
.hvac-drawer.is-open .hvac-drawer-link { opacity: 1; transform: translateX(0); }
/* Hover only on devices that actually hover (avoids sticky :hover on touchscreens
   after tapping the drawer trigger). */
@media (hover: hover) {
  .hvac-drawer-link:hover { color: #B6BED3; }
}
.hvac-drawer-link, .hvac-drawer-trigger {
  -webkit-tap-highlight-color: transparent;
}
.hvac-drawer-link:focus, .hvac-drawer-trigger:focus { color: #fff; outline: none; }
.hvac-drawer-trigger {
  width: 100%; background: transparent; border: 0;
  font-family: inherit; text-align: left; color: #fff; cursor: pointer;
}
.hvac-drawer-sub {
  display: grid; grid-template-rows: 0fr;
  transition: grid-template-rows 380ms cubic-bezier(.22,.61,.36,1);
}
.hvac-drawer-sub.is-open { grid-template-rows: 1fr; }
.hvac-drawer-sub > div { overflow: hidden; }
.hvac-drawer-sublink {
  display: block; padding: 14px 14px 14px 18px;
  color: #B6BED3; font-size: 16px; font-weight: 500;
  text-decoration: none; cursor: pointer;
  border-bottom: 1px solid #2E3653;
  transition: color 200ms ease;
}
.hvac-drawer-sublink:hover { color: #fff; }
.hvac-drawer-sublink--all { color: var(--hvac-lime); font-weight: 700; }
.hvac-drawer-backdrop {
  position: fixed; inset: 0; z-index: 50;
  background: rgba(0,0,0,0.55); opacity: 0; pointer-events: none;
  transition: opacity 320ms ease;
}
.hvac-drawer-backdrop.is-open { opacity: 1; pointer-events: auto; }

/* ─── FAQ accordion ────────────────────────────────────────── */
.hvac-faq-item { border-top: 1px solid #DDE2EC; }
.hvac-faq-item:last-child { border-bottom: 1px solid #DDE2EC; }
.hvac-faq-trigger {
  display: flex; align-items: center; justify-content: space-between;
  width: 100%; padding: 28px 0; background: transparent; border: 0;
  cursor: pointer; font-family: inherit; color: #171D2F;
  font-size: 20px; font-weight: 600; letter-spacing: -.01em;
  text-align: left; transition: color 200ms ease;
}
.hvac-faq-trigger:hover { color: #4A5475; }
.hvac-faq-icon {
  width: 28px; height: 28px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  transition: transform 360ms cubic-bezier(.4, 0, .2, 1);
}
.hvac-faq-icon[data-open="true"] { transform: rotate(45deg); }
.hvac-faq-body {
  display: grid; grid-template-rows: 0fr;
  transition: grid-template-rows 360ms cubic-bezier(.4, 0, .2, 1);
}
.hvac-faq-body[data-open="true"] { grid-template-rows: 1fr; }
.hvac-faq-body > div {
  overflow: hidden;
  transition: padding 360ms cubic-bezier(.4, 0, .2, 1);
}
.hvac-faq-body[data-open="true"] > div { padding-bottom: 28px; }
.hvac-faq-body p {
  font-size: 16px; line-height: 1.65; color: #4A5475;
  margin: 0; max-width: 720px;
}

/* ─── Footer link ──────────────────────────────────────────── */
.hvac-foot-link {
  position: relative; display: inline-block;
  text-decoration: none; cursor: pointer;
}
.hvac-foot-link::after {
  content: ''; position: absolute;
  left: 0; bottom: -4px; height: 1px; width: 0;
  background: currentColor;
  transition: width 320ms cubic-bezier(.4, 0, .2, 1);
}
.hvac-foot-link:hover::after { width: 100%; }

/* ─── Navy grid backdrop ───────────────────────────────────── */
.hvac-grid-bg { position: relative; isolation: isolate; overflow: hidden; }
.hvac-grid-bg > * { position: relative; z-index: 1; }
.hvac-grid-bg::before,
.hvac-grid-bg::after {
  content: ''; position: absolute; inset: 0; pointer-events: none; z-index: 0;
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(ellipse at 50% 40%, #000 30%, transparent 80%);
          mask-image: radial-gradient(ellipse at 50% 40%, #000 30%, transparent 80%);
  animation: hvac-grid-breathe 5s ease-in-out infinite;
}
.hvac-grid-bg::after {
  background-size: 168px 168px;
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.06) 1px, transparent 1px);
  animation: hvac-grid-breathe-2 7s ease-in-out infinite;
}
@keyframes hvac-grid-breathe   { 0%, 100% { opacity: 0.4; } 50% { opacity: 0.9; } }
@keyframes hvac-grid-breathe-2 { 0%, 100% { opacity: 0.9; } 50% { opacity: 0.4; } }

/* ─── Hero (home) — full-bleed image on the right ──────────── */
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  align-items: stretch;
}
.hero-text {
  padding: 88px 48px 120px max(32px, calc((100vw - 1280px) / 2 + 32px));
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.hero-image {
  position: relative;
  overflow: hidden;
  min-height: 480px;
}
.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr !important; }
  .hero-text { padding: 64px 20px 64px max(20px, calc((100vw - 1216px) / 2 + 20px)) !important; }
  .hero-image { min-height: 320px !important; aspect-ratio: 5 / 4; }
}

/* ─── Live dot pulse + sweep ───────────────────────────────── */
@keyframes hvac-live-pulse {
  0%   { box-shadow: 0 0 0 0 rgba(255,255,255,.45); }
  70%  { box-shadow: 0 0 0 8px rgba(255,255,255,0); }
  100% { box-shadow: 0 0 0 0 rgba(255,255,255,0); }
}
.hvac-live-dot { animation: hvac-live-pulse 2.2s ease-out infinite; }

/* ─── Services-page hero art (navy on white, multi-channel hub) ── */
.services-art-wrap { display: flex; align-items: center; justify-content: center; }
.services-art {
  width: 100%;
  max-width: 480px;
  aspect-ratio: 1;
  display: block;
}
.services-art .sva-fan {
  transform-origin: 200px 195px;
  transform-box: fill-box;
  animation: sva-spin 9s linear infinite;
}
@keyframes sva-spin {
  to { transform: rotate(360deg); }
}
.services-art .sva-line {
  animation: sva-flow 2.4s linear infinite;
}
.services-art .sva-line-2 { animation-delay: 0.5s; }
.services-art .sva-line-3 { animation-delay: 1s; }
.services-art .sva-line-4 { animation-delay: 1.5s; }
@keyframes sva-flow {
  to { stroke-dashoffset: -16; }
}
.services-art .sva-bar {
  transform-origin: bottom;
  transform-box: fill-box;
  animation: sva-bar-pulse 3.6s ease-in-out infinite;
}
.services-art .sva-bar-1 { animation-delay: 0s; }
.services-art .sva-bar-2 { animation-delay: 0.2s; }
.services-art .sva-bar-3 { animation-delay: 0.4s; }
@keyframes sva-bar-pulse {
  0%, 35%, 100% { transform: scaleY(1); }
  55% { transform: scaleY(0.45); }
  75% { transform: scaleY(1); }
}
@media (max-width: 960px) {
  .services-art-wrap { display: none !important; }
}

/* ─── Lead-heat gauge (home CTA illustration) ──────────────── */
.hvac-unit-art {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  max-width: 320px;
  margin-inline: auto;
}
.hvac-unit-art svg { width: 100%; height: 100%; display: block; }

.hvac-unit-art .meter-fill {
  transform-origin: center bottom;
  transform-box: fill-box;
  animation: hvac-meter-fill 5s cubic-bezier(.55, 0, .35, 1) infinite;
}
@keyframes hvac-meter-fill {
  0%   { transform: scaleY(0); opacity: 1; }
  75%  { transform: scaleY(1); opacity: 1; }
  92%  { transform: scaleY(1); opacity: 1; }
  96%  { transform: scaleY(1); opacity: 0; }
  100% { transform: scaleY(0); opacity: 0; }
}
.hvac-unit-art .meter-head {
  animation: hvac-meter-head 5s cubic-bezier(.55, 0, .35, 1) infinite;
  opacity: 0;
}
@keyframes hvac-meter-head {
  0%   { transform: translateY(0);     opacity: 0; }
  5%   { opacity: 1; }
  75%  { transform: translateY(-86px); opacity: 1; }
  82%  { transform: translateY(-86px); opacity: 0; }
  100% { transform: translateY(-86px); opacity: 0; }
}
.hvac-unit-art .badge {
  transform-origin: 100px 28px;
  transform-box: fill-box;
  animation: hvac-meter-badge 5s cubic-bezier(.22, .61, .36, 1) infinite;
  opacity: 0;
}
@keyframes hvac-meter-badge {
  0%, 70%  { transform: translateY(10px) scale(.6); opacity: 0; }
  80%      { transform: translateY(0)    scale(1.05); opacity: 1; }
  94%      { transform: translateY(0)    scale(1); opacity: 1; }
  100%     { transform: translateY(-10px) scale(1); opacity: 0; }
}

/* ─── Page-load rise stagger ──────────────────────────────── */
@keyframes hvac-rise {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}
.hvac-rise {
  opacity: 0;
  animation: hvac-rise 640ms cubic-bezier(.22,.61,.36,1) forwards;
  animation-delay: calc(var(--rise-i, 0) * 90ms);
}

/* ─── Service art SVG animations ──────────────────────────── */
.svc-art {
  position: relative; width: 100%; aspect-ratio: 1 / 1;
  max-width: 360px; margin-inline: auto; color: #fff;
}
.svc-art svg { width: 100%; height: 100%; display: block; }

@keyframes svc-fade-up {
  0%, 8%   { opacity: 0; transform: translateY(6px); }
  18%, 88% { opacity: 1; transform: translateY(0); }
  96%, 100%{ opacity: 0; transform: translateY(0); }
}
@keyframes svc-grow-x {
  0%, 5%   { opacity: 0; transform: scaleX(0); }
  15%, 88% { opacity: 1; transform: scaleX(1); }
  96%, 100%{ opacity: 0; transform: scaleX(1); }
}
@keyframes svc-grow-y {
  0%, 5%   { transform: scaleY(0); }
  22%, 88% { transform: scaleY(1); }
  96%, 100%{ transform: scaleY(0); }
}
@keyframes svc-ripple {
  0%   { transform: scale(.4); opacity: 0; }
  15%  { opacity: 1; }
  100% { transform: scale(1.7); opacity: 0; }
}
/* Paid Search */
.svc-art .ps-cursor { animation: svc-fade-up 4s ease-in-out infinite; }
.svc-art .ps-row { transform-origin: left center; transform-box: fill-box;
  animation: svc-grow-x 4s cubic-bezier(.22,.61,.36,1) infinite; }
.svc-art .ps-row-1 { animation-delay: 0s; }
.svc-art .ps-row-2 { animation-delay: 0.3s; }
.svc-art .ps-row-3 { animation-delay: 0.6s; }
/* Website Design */
.svc-art .wd-block { transform-origin: left top; transform-box: fill-box;
  animation: svc-grow-x 4s cubic-bezier(.22,.61,.36,1) infinite; }
.svc-art .wd-block-1 { animation-delay: 0s; }
.svc-art .wd-block-2 { animation-delay: 0.2s; }
.svc-art .wd-block-3 { animation-delay: 0.4s; }
.svc-art .wd-block-4 { animation-delay: 0.6s; }
.svc-art .wd-block-5 { animation-delay: 0.8s; }
/* Local SEO */
.svc-art .seo-pin { transform-origin: 100px 120px; transform-box: fill-box;
  animation: svc-fade-up 4s ease-in-out infinite; }
.svc-art .seo-ripple { transform-origin: 100px 116px; transform-box: fill-box;
  animation: svc-ripple 3s ease-out infinite; opacity: 0; }
.svc-art .seo-ripple-2 { animation-delay: 1.5s; }
.svc-art .seo-dot { animation: svc-fade-up 4s ease-in-out infinite; opacity: 0; }
.svc-art .seo-dot-2 { animation-delay: 1s; }
.svc-art .seo-dot-3 { animation-delay: 2s; }
/* Consulting */
.svc-art .cs-bar { transform-origin: bottom; transform-box: fill-box;
  animation: svc-grow-y 4s cubic-bezier(.22,.61,.36,1) infinite; }
.svc-art .cs-bar-2 { animation-delay: 0.2s; }
.svc-art .cs-bar-3 { animation-delay: 0.4s; }
.svc-art .cs-bar-4 { animation-delay: 0.6s; }
.svc-art .cs-bar-5 { animation-delay: 0.8s; }
.svc-art .cs-arrow {
  animation: svc-fade-up 4s cubic-bezier(.22,.61,.36,1) infinite;
  animation-delay: 1s; opacity: 0;
}

/* ─── Responsive (preserved from design tool index.html) ──── */
@media (max-width: 960px) {
  .hvac-nav-links, .hvac-nav-cta { display: none !important; }
  .hvac-nav-toggle { display: inline-flex !important; margin-left: auto !important; margin-right: 12px !important; }
  .hvac-nav-row { padding: 0 !important; gap: 16px !important; height: 76px !important; }
  .hvac-nav-row > a:first-child > div:first-child { width: 76px !important; }
  .hvac-nav-row > a:first-child > div:first-child img { width: 66px !important; height: 66px !important; }
  .hvac-nav-row > a:first-child > div:last-child { padding: 0 0 0 12px !important; }
  .hvac-nav-row > a:first-child > div:last-child img,
  .hvac-nav-row > a:first-child > div:last-child svg { height: 44px !important; width: auto !important; }
  .hvac-drawer { padding-top: 76px !important; }
  .hvac-drawer-link { font-size: 24px !important; }
  .hvac-drawer-sublink { font-size: 17px !important; }
  .hvac-grid-2 { grid-template-columns: 1fr !important; gap: 32px !important; }
  .hvac-grid-3 { grid-template-columns: 1fr !important; gap: 16px !important; }
  .hvac-grid-4 { grid-template-columns: repeat(2, 1fr) !important; }
  .hvac-footer-grid { grid-template-columns: repeat(2, 1fr) !important; gap: 40px !important; }
  .hvac-section { padding: 64px 0 !important; }
  .hvac-hero-h1 { font-size: 40px !important; line-height: 1.08 !important; }
  .hvac-page-h1 { font-size: 40px !important; line-height: 1.08 !important; }
  .hvac-h2, h2.hvac-h2 { font-size: 36px !important; line-height: 1.12 !important; }
  .hvac-pad-32 { padding: 24px !important; }
  .hvac-pad-72 { padding: 40px 24px !important; }
  .hvac-container { padding: 0 20px !important; }
  .hvac-footer-logo { height: 92px !important; }
  .svc-hero-grid { grid-template-columns: 1fr !important; gap: 32px !important; }

  /* Bigger footer text on mobile (overrides agent's inline styles) */
  footer ul a, footer ul li a, footer address, footer p,
  .hvac-foot-link { font-size: 16px !important; }
  footer h4, footer > div > div > div > div[style*="text-transform"],
  footer div[style*="0.14em"] { font-size: 14px !important; }
  footer p { font-size: 16px !important; line-height: 1.6 !important; }
  footer .hvac-footer-grid + div span,
  footer .hvac-footer-grid ~ div span { font-size: 14px !important; }
}
@media (max-width: 720px) {
  .hvac-cta-grid { grid-template-columns: 1fr !important; }
  .hvac-cta-art-col { display: none !important; }
}
@media (max-width: 600px) {
  .hvac-grid-4 { grid-template-columns: 1fr !important; }
  .hvac-footer-grid { grid-template-columns: 1fr !important; }
  .hvac-checks { flex-direction: column !important; gap: 8px !important; }
  .hvac-hero-h1 { font-size: 34px !important; }
  .hvac-page-h1 { font-size: 34px !important; }
  .hvac-h2 { font-size: 28px !important; }
  .hvac-footer-logo { height: 76px !important; }
  .hvac-about-stats { grid-template-columns: 1fr !important; }
  .hvac-about-stats > div { border-left: none !important; border-top: 1px solid #2E3653 !important; }
  .hvac-about-stats > div:first-child { border-top: none !important; }
}