:root {
  --c1-blue: #063b73;
  --c1-ice: #1e88e5;
  --c1-frost: #eaf6ff;
  --c1-heat: #f97316;
  --c1-red: #d92d20;
  --c1-charcoal: #182230;
  --c2-blue: #0b5cad;
  --c2-sky: #e8f3fc;
  --c2-navy: #12324a;
  --c2-gold: #f4b942;
  --c2-gray: #f6f8fa;
  --c2-text: #425466;
  --white: #ffffff;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--c1-charcoal);
  background: var(--white);
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

@keyframes cinematicDrift {
  0% { transform: scale(1.04) translate3d(-1.2%, 0, 0); }
  50% { transform: scale(1.1) translate3d(1.2%, -1%, 0); }
  100% { transform: scale(1.04) translate3d(-1.2%, 0, 0); }
}

@keyframes scanMove {
  0% { transform: translateY(-120%); opacity: 0; }
  18% { opacity: .55; }
  55% { opacity: .18; }
  100% { transform: translateY(520%); opacity: 0; }
}

@keyframes airflowDrift {
  0% { transform: translate3d(-36px, 18px, 0) rotate(-12deg); opacity: 0; }
  20% { opacity: .72; }
  100% { transform: translate3d(250px, -32px, 0) rotate(-12deg); opacity: 0; }
}

@keyframes pulseDot {
  0%, 100% { transform: scale(.82); opacity: .58; }
  50% { transform: scale(1.12); opacity: 1; }
}

@keyframes cardFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border: 0;
  border-radius: 8px;
  font-weight: 800;
  line-height: 1;
  cursor: pointer;
}

.btn.large {
  min-height: 58px;
  padding: 0 28px;
  font-size: 1rem;
}

.btn.heat {
  color: #fff;
  background: linear-gradient(135deg, #ff8a2a, var(--c1-red));
  box-shadow: 0 18px 34px rgba(249, 115, 22, .28);
}

.btn.frost {
  color: #063b73;
  background: #fff;
}

.btn.ghost {
  color: #fff;
  border: 1px solid rgba(255, 255, 255, .28);
}

.btn.outline-light {
  color: #fff;
  border: 1px solid rgba(255, 255, 255, .45);
}

.btn.blue {
  color: #fff;
  background: linear-gradient(135deg, #0b6fc8, var(--c2-blue));
  box-shadow: 0 16px 32px rgba(11, 92, 173, .22);
}

.btn.soft {
  color: var(--c2-blue);
  background: var(--c2-sky);
}

.eyebrow {
  margin: 0 0 12px;
  font-size: .78rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.section-heading {
  max-width: 760px;
  margin: 0 auto 34px;
  text-align: center;
}

.section-heading h2,
.section-heading p {
  margin-left: auto;
  margin-right: auto;
}

/* Concept chooser */
.chooser {
  min-height: 100vh;
  font-family: Inter, Arial, sans-serif;
  background:
    linear-gradient(135deg, rgba(6, 59, 115, .95), rgba(11, 92, 173, .86)),
    url("assets/generic-hvac-seasonal.svg") center / cover fixed;
  color: #fff;
}

.chooser-shell {
  width: min(1040px, calc(100% - 40px));
  min-height: 100vh;
  margin: 0 auto;
  display: grid;
  align-content: center;
  padding: 80px 0;
}

.chooser h1 {
  max-width: 820px;
  margin: 0;
  font: 800 clamp(3rem, 8vw, 6.7rem) / .9 "Barlow Condensed", sans-serif;
  text-transform: uppercase;
}

.chooser-copy {
  max-width: 690px;
  font-size: 1.16rem;
  line-height: 1.65;
  color: rgba(255, 255, 255, .86);
}

.concept-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
  margin-top: 28px;
}

.concept-link {
  padding: 30px;
  border: 1px solid rgba(255, 255, 255, .22);
  border-radius: 8px;
  background: rgba(255, 255, 255, .12);
  backdrop-filter: blur(12px);
}

.concept-link span,
.concept-link em {
  display: block;
  color: rgba(255, 255, 255, .8);
  font-style: normal;
}

.concept-link strong {
  display: block;
  margin: 10px 0;
  font-size: 1.55rem;
}

.concept-link.hot:hover {
  background: rgba(249, 115, 22, .38);
}

.concept-link.cool:hover {
  background: rgba(232, 243, 252, .24);
}

.concept-link.boards {
  grid-column: 1 / -1;
}

.concept-link.boards:hover {
  background: rgba(255, 255, 255, .22);
}

/* Graphic design boards */
.design-board-page {
  min-height: 100vh;
  color: #182230;
  background: #eef2f6;
  font-family: Inter, Arial, sans-serif;
}

.board-top {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(20px, 5vw, 70px);
  background: rgba(255, 255, 255, .86);
  border-bottom: 1px solid rgba(18, 50, 74, .1);
  box-shadow: 0 14px 34px rgba(18, 50, 74, .08);
  backdrop-filter: blur(18px);
}

.board-logo img {
  width: 210px;
  max-height: 58px;
  object-fit: contain;
}

.board-top nav {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  font-weight: 900;
}

.board-top nav a {
  padding: 10px 14px;
  border-radius: 999px;
  color: #063b73;
  background: #e8f3fc;
}

.board-hero {
  padding: 82px clamp(20px, 5vw, 70px) 52px;
  background:
    radial-gradient(circle at 16% 20%, rgba(30, 136, 229, .16), transparent 28%),
    radial-gradient(circle at 82% 14%, rgba(249, 115, 22, .13), transparent 24%),
    #f7f9fb;
}

.board-hero h1 {
  max-width: 920px;
  margin: 0;
  font: 800 clamp(3.8rem, 9vw, 8.4rem) / .88 "Barlow Condensed", sans-serif;
  text-transform: uppercase;
  color: #12324a;
}

.board-hero p:not(.eyebrow) {
  max-width: 740px;
  font-size: 1.15rem;
  line-height: 1.7;
  color: #526071;
}

.design-board {
  padding: 70px clamp(20px, 5vw, 70px);
}

.concept-board-one {
  background: linear-gradient(180deg, #f3f6f9, #e8edf2);
}

.concept-board-two {
  background: linear-gradient(180deg, #ffffff, #e8f3fc);
}

.board-title {
  max-width: 980px;
  margin-bottom: 32px;
}

.board-title h2 {
  margin: 0;
  font-size: clamp(2.4rem, 6vw, 5.7rem);
  line-height: .9;
}

.concept-board-one .board-title h2 {
  color: #063b73;
  font-family: "Barlow Condensed", sans-serif;
  text-transform: uppercase;
}

.concept-board-two .board-title h2 {
  color: #12324a;
  font-family: "Merriweather Sans", sans-serif;
}

.board-title p:not(.eyebrow) {
  max-width: 760px;
  font-size: 1.05rem;
  line-height: 1.7;
  color: #526071;
}

.board-grid {
  display: grid;
  grid-template-columns: 1.2fr .82fr .82fr;
  gap: 20px;
}

.board-panel {
  min-height: 220px;
  padding: 24px;
  border: 1px solid rgba(18, 50, 74, .1);
  border-radius: 8px;
  background: rgba(255, 255, 255, .74);
  box-shadow: 0 20px 46px rgba(18, 50, 74, .09);
  overflow: hidden;
}

.board-panel h3 {
  margin: 0 0 18px;
  color: #12324a;
  font-size: 1rem;
}

.board-visual {
  position: relative;
  grid-row: span 2;
  min-height: 520px;
  padding: 0;
}

.board-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  animation: cinematicDrift 22s ease-in-out infinite;
}

.board-visual::after {
  content: "";
  position: absolute;
  inset: 0;
}

.c1-board-visual::after {
  background: linear-gradient(135deg, rgba(6, 59, 115, .28), rgba(217, 45, 32, .34));
}

.c2-board-visual::after {
  background: linear-gradient(135deg, rgba(11, 92, 173, .16), rgba(255, 255, 255, .1));
}

.board-overlay {
  position: absolute;
  z-index: 2;
  left: 24px;
  right: 24px;
  bottom: 24px;
  padding: 20px;
  border-radius: 8px;
  color: #fff;
  background: rgba(6, 24, 43, .7);
  backdrop-filter: blur(14px);
}

.board-overlay span,
.board-overlay strong {
  display: block;
}

.board-overlay strong {
  margin-top: 8px;
  font-size: clamp(1.5rem, 3vw, 2.6rem);
}

.swatches {
  display: grid;
  gap: 12px;
}

.swatches span {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 900;
}

.swatches span::before {
  content: "";
  width: 46px;
  height: 46px;
  border: 1px solid rgba(18, 50, 74, .14);
  border-radius: 8px;
  background: var(--swatch);
}

.type-panel strong,
.type-panel span,
.type-panel em {
  display: block;
}

.type-panel strong {
  margin-bottom: 12px;
  font-size: 2rem;
  line-height: 1;
}

.type-panel span,
.type-panel em {
  color: #526071;
  line-height: 1.55;
}

.type-panel em {
  margin-top: 18px;
  font-style: normal;
  font-weight: 800;
}

.c1-type strong {
  font-family: "Barlow Condensed", sans-serif;
  text-transform: uppercase;
  color: #063b73;
}

.c2-type strong {
  font-family: "Merriweather Sans", sans-serif;
  color: #12324a;
}

.component-panel {
  display: grid;
  align-content: start;
  gap: 14px;
}

.component-panel button {
  width: max-content;
  border: 0;
  border-radius: 8px;
  padding: 15px 20px;
  color: #fff;
  font: inherit;
  font-weight: 900;
}

.dark-component button {
  background: linear-gradient(135deg, #f97316, #d92d20);
}

.light-component button {
  background: linear-gradient(135deg, #0b6fc8, #0b5cad);
}

.component-panel a {
  color: #0b5cad;
  font-weight: 900;
}

.mini-card {
  margin-top: 10px;
  padding: 18px;
  border-radius: 8px;
  background: #f7f9fb;
}

.mini-card b,
.mini-card span {
  display: block;
}

.mini-card span {
  margin-top: 6px;
  color: #526071;
  line-height: 1.5;
}

.texture-panel {
  position: relative;
}

.texture-panel::after {
  content: "";
  position: absolute;
  right: -40px;
  bottom: -60px;
  width: 240px;
  height: 240px;
  opacity: .28;
  background: url("assets/generic-hvac-seasonal.svg") center / contain no-repeat;
}

.c2-texture::after {
  background-image: url("assets/generic-hvac-home.svg");
}

.texture-panel p {
  position: relative;
  z-index: 1;
  max-width: 420px;
  color: #526071;
  line-height: 1.7;
}

.mini-layout {
  display: grid;
  gap: 12px;
}

.mini-layout div {
  min-height: 28px;
  border-radius: 7px;
  background: linear-gradient(90deg, #063b73, #1e88e5);
}

.mini-layout div:nth-of-type(2) {
  background: linear-gradient(90deg, #f97316, #d92d20);
}

.mini-layout div:nth-of-type(3),
.mini-layout div:nth-of-type(4) {
  background: #d9e1ea;
}

.soft-layout div {
  background: linear-gradient(90deg, #0b5cad, #e8f3fc);
}

.soft-layout div:nth-of-type(2) {
  background: #f4b942;
}

/* Concept 1 */
.concept-one {
  font-family: Inter, Arial, sans-serif;
  background: radial-gradient(circle at 25% 12%, rgba(30, 136, 229, .16), transparent 32%), #f3f6f9;
}

.concept-one h1,
.concept-one h2,
.concept-one h3 {
  font-family: "Barlow Condensed", Impact, sans-serif;
  margin: 0;
  letter-spacing: 0;
  text-transform: uppercase;
}

.top-alert {
  display: flex;
  justify-content: center;
  gap: 28px;
  padding: 10px 20px;
  color: #fff;
  background: var(--c1-red);
  font-size: .88rem;
  font-weight: 800;
}

.top-alert a {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.c1-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 18px clamp(18px, 4vw, 56px);
  color: var(--c1-charcoal);
  background: rgba(243, 246, 249, .92);
  border-bottom: 1px solid rgba(6, 59, 115, .12);
  box-shadow: 0 10px 30px rgba(24, 34, 48, .08);
  backdrop-filter: blur(16px);
}

.c1-header .btn.ghost {
  color: var(--c1-blue);
  border-color: rgba(6, 59, 115, .22);
  background: rgba(255, 255, 255, .54);
}

.brand-mark img {
  width: 210px;
  max-height: 56px;
  object-fit: contain;
}

.c1-header nav,
.c2-nav nav {
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: .92rem;
  font-weight: 800;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.c1-hero {
  position: relative;
  min-height: 780px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 470px);
  gap: 42px;
  align-items: center;
  overflow: hidden;
  padding: 76px clamp(20px, 5vw, 72px);
  color: #fff;
}

.hero-split {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.cool-panel {
  clip-path: polygon(0 0, 66% 0, 48% 100%, 0 100%);
  background:
    radial-gradient(circle at 18% 24%, rgba(234, 246, 255, .18), transparent 22%),
    linear-gradient(120deg, rgba(6, 59, 115, .98), rgba(30, 136, 229, .78));
}

.heat-panel {
  clip-path: polygon(62% 0, 100% 0, 100% 100%, 42% 100%);
  background: linear-gradient(145deg, #f97316, #d92d20 58%, #7a160d);
}

.c1-hero-content,
.hero-tech-card {
  position: relative;
  z-index: 1;
}

.c1-hero-content {
  max-width: 850px;
  padding: clamp(0px, 2vw, 28px);
}

.c1-hero h1 {
  max-width: 840px;
  font-size: clamp(4.3rem, 10vw, 9.6rem);
  line-height: .82;
}

.hero-copy {
  max-width: 690px;
  margin: 26px 0;
  font-size: clamp(1.08rem, 2vw, 1.32rem);
  line-height: 1.62;
  color: rgba(255, 255, 255, .86);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
}

.phone-punch {
  font-weight: 900;
  border-bottom: 3px solid var(--c1-heat);
}

.quick-flags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}

.quick-flags span {
  padding: 9px 13px;
  border: 1px solid rgba(255, 255, 255, .32);
  border-radius: 999px;
  background: rgba(255, 255, 255, .12);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .18);
  font-size: .9rem;
  font-weight: 800;
}

.hero-tech-card {
  position: relative;
  align-self: end;
  padding: 14px;
  border: 1px solid rgba(255, 255, 255, .26);
  border-radius: 8px;
  overflow: visible;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, .2), rgba(255, 255, 255, .08)),
    url("assets/generic-hvac-seasonal.svg") center top / 92% auto no-repeat;
  box-shadow: 0 30px 80px rgba(0, 0, 0, .34);
  backdrop-filter: blur(18px);
  isolation: isolate;
  animation: cardFloat 7s ease-in-out infinite;
}

.hero-tech-card img {
  width: 100%;
  height: 420px;
  border-radius: 8px;
  object-fit: cover;
  object-position: center;
  border: 1px solid rgba(255, 255, 255, .24);
  animation: cinematicDrift 18s ease-in-out infinite;
  will-change: transform;
}

.concept-one .hero-tech-card img {
  object-position: 44% center;
}

.hero-tech-card div {
  padding: 22px;
  border-radius: 8px;
  background: rgba(6, 24, 43, .82);
}

.hero-tech-card strong {
  display: block;
  font-size: 1.25rem;
}

.hero-tech-card p {
  margin: 8px 0 0;
  line-height: 1.5;
  color: rgba(255, 255, 255, .78);
}

.floating-hero-stat {
  position: absolute;
  right: -18px;
  top: 34px;
  width: 162px;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, .36);
  border-radius: 8px;
  color: #fff;
  background: linear-gradient(135deg, rgba(217, 45, 32, .94), rgba(249, 115, 22, .9));
  box-shadow: 0 18px 38px rgba(83, 19, 12, .32);
  animation: cardFloat 5.4s ease-in-out infinite;
}

.floating-hero-stat b,
.floating-hero-stat span {
  display: block;
}

.floating-hero-stat b {
  font: 800 1.65rem / .95 "Barlow Condensed", sans-serif;
  text-transform: uppercase;
}

.floating-hero-stat span {
  margin-top: 5px;
  font-size: .82rem;
  font-weight: 800;
  line-height: 1.35;
}

.emergency-band,
.estimate-strip {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 30px;
  align-items: center;
  padding: 44px clamp(20px, 5vw, 72px);
  color: #fff;
  background: linear-gradient(90deg, #9d1b12, var(--c1-red), var(--c1-heat));
}

.emergency-band h2,
.estimate-strip h2 {
  font-size: clamp(2.8rem, 5vw, 5rem);
}

.emergency-band p,
.estimate-strip p {
  max-width: 760px;
  line-height: 1.65;
  color: rgba(255, 255, 255, .86);
}

.emergency-call {
  min-width: 300px;
  padding: 26px;
  border: 1px solid rgba(255, 255, 255, .34);
  border-radius: 8px;
  background: rgba(255, 255, 255, .12);
}

.emergency-call span,
.emergency-call small {
  display: block;
  font-weight: 800;
}

.emergency-call a {
  display: block;
  margin: 8px 0;
  font: 800 clamp(2.6rem, 5vw, 4.7rem) / .9 "Barlow Condensed", sans-serif;
}

.c1-services,
.c1-trust,
.c1-proof,
.c1-contact {
  padding: 82px clamp(20px, 5vw, 72px);
}

.c1-services {
  color: var(--c1-charcoal);
  background:
    radial-gradient(circle at 85% 12%, rgba(249, 115, 22, .12), transparent 28%),
    linear-gradient(180deg, #f7f9fb, #edf2f6);
}

.c1-services h2,
.c1-trust h2,
.c1-proof h2,
.c1-contact h2 {
  font-size: clamp(3rem, 6vw, 5.6rem);
  line-height: .9;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.service-grid article {
  min-height: 254px;
  padding: 26px;
  border-radius: 8px;
}

.c1-grid article {
  border: 1px solid rgba(6, 59, 115, .1);
  background: linear-gradient(180deg, #ffffff, #f8fbfe);
  box-shadow: 0 22px 46px rgba(24, 34, 48, .08);
  transition: transform .2s ease, border-color .2s ease, background .2s ease;
}

.c1-grid article:hover {
  transform: translateY(-4px);
  border-color: rgba(249, 115, 22, .56);
  background: linear-gradient(180deg, #ffffff, #fff7f0);
}

.service-grid span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 54px;
  height: 54px;
  margin-bottom: 18px;
  border-radius: 6px;
  font-weight: 900;
}

.c1-grid span {
  color: #fff;
  background: linear-gradient(135deg, var(--c1-heat), var(--c1-red));
}

.service-grid .icon {
  position: relative;
}

.service-grid .icon::before,
.service-grid .icon::after {
  content: "";
  position: absolute;
}

.heat-icon::before {
  width: 18px;
  height: 26px;
  border-radius: 18px 18px 22px 22px;
  background: currentColor;
  clip-path: polygon(50% 0, 72% 25%, 62% 44%, 83% 64%, 70% 100%, 31% 100%, 17% 65%, 38% 45%, 29% 25%);
}

.cool-icon::before {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 5px solid currentColor;
}

.cool-icon::after {
  width: 36px;
  height: 5px;
  background: currentColor;
  transform: rotate(45deg);
}

.air-icon::before {
  width: 32px;
  height: 22px;
  border-top: 5px solid currentColor;
  border-bottom: 5px solid currentColor;
}

.air-icon::after {
  width: 26px;
  height: 5px;
  background: currentColor;
  transform: translateY(-1px);
}

.tool-icon::before {
  width: 30px;
  height: 8px;
  border-radius: 5px;
  background: currentColor;
  transform: rotate(-38deg);
}

.building-icon::before,
.home-icon::before {
  width: 30px;
  height: 24px;
  border: 5px solid currentColor;
  border-top: 0;
}

.home-icon::after {
  width: 28px;
  height: 28px;
  border-left: 5px solid currentColor;
  border-top: 5px solid currentColor;
  transform: translateY(-8px) rotate(45deg);
}

.system-icon::before {
  width: 32px;
  height: 24px;
  border: 5px solid currentColor;
  border-radius: 6px;
}

.system-icon::after {
  width: 18px;
  height: 5px;
  background: currentColor;
  transform: translateY(18px);
}

.metal-icon::before {
  width: 32px;
  height: 24px;
  border: 5px solid currentColor;
  transform: skewX(-16deg);
}

.emergency-icon::before {
  width: 8px;
  height: 30px;
  border-radius: 6px;
  background: currentColor;
}

.emergency-icon::after {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
  transform: translateY(22px);
}

.service-grid h3 {
  font-size: 1.65rem;
}

.service-grid p {
  line-height: 1.58;
}

.c1-grid p {
  color: #526071;
}

.service-grid a {
  display: inline-block;
  margin-top: 8px;
  font-weight: 900;
  color: var(--c1-heat);
}

.urgent-card {
  background: linear-gradient(145deg, rgba(217, 45, 32, .88), rgba(249, 115, 22, .88)) !important;
}

.urgent-card a,
.urgent-card p {
  color: #fff;
}

.c1-trust {
  color: #fff;
  background: linear-gradient(135deg, #063b73, #082947);
}

.badge-row,
.c2-badges {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.badge-row div {
  min-height: 170px;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(255, 255, 255, .12), rgba(255, 255, 255, .06));
  box-shadow: 0 18px 42px rgba(0, 0, 0, .15);
}

.badge-row strong,
.badge-row span,
.c2-badges strong,
.c2-badges span {
  display: block;
}

.badge-row strong {
  font-size: 1.25rem;
}

.badge-row span {
  margin-top: 10px;
  color: rgba(255, 255, 255, .76);
  line-height: 1.55;
}

.c1-proof {
  display: grid;
  grid-template-columns: minmax(0, .8fr) minmax(360px, 1.1fr);
  gap: 42px;
  color: var(--c1-charcoal);
  background: #f3f6f9;
}

.c1-proof p {
  max-width: 720px;
  line-height: 1.7;
  color: #526071;
}

.stat-stack {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.proof-media-stack {
  display: grid;
  gap: 18px;
}

.c1-stock-photo,
.local-stock-photo,
.promise-photo {
  margin: 0;
  overflow: hidden;
  border-radius: 8px;
  isolation: isolate;
}

.c1-stock-photo {
  position: relative;
  min-height: 260px;
  border: 1px solid rgba(255, 255, 255, .18);
  box-shadow: 0 26px 58px rgba(0, 0, 0, .26);
}

.c1-stock-photo img,
.local-stock-photo img,
.promise-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.c1-stock-photo img {
  position: absolute;
  inset: 0;
  object-position: center 58%;
  animation: cinematicDrift 22s ease-in-out infinite;
  will-change: transform;
}

.c1-stock-photo::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(6, 24, 43, .9));
}

.c1-stock-photo figcaption {
  position: absolute;
  z-index: 1;
  left: 22px;
  right: 22px;
  bottom: 20px;
  color: #fff;
  font-weight: 900;
  line-height: 1.35;
}

.stat-stack div {
  padding: 28px;
  border-radius: 8px;
  background: var(--c1-frost);
  color: var(--c1-blue);
}

.stat-stack strong {
  display: block;
  font: 800 4rem / .9 "Barlow Condensed", sans-serif;
}

.stat-stack span {
  display: block;
  margin-top: 8px;
  font-weight: 800;
}

.estimate-strip {
  grid-template-columns: minmax(0, 1fr) auto;
  background: linear-gradient(120deg, var(--c1-blue), #0b223f);
}

.estimate-strip div {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.c1-contact {
  display: grid;
  grid-template-columns: .85fr 1fr;
  gap: 44px;
  color: var(--c1-charcoal);
  background: linear-gradient(145deg, #f7f9fb, #eaf0f6);
}

address {
  margin-top: 26px;
  font-style: normal;
  line-height: 1.8;
}

form {
  display: grid;
  gap: 14px;
  padding: 28px;
  border-radius: 8px;
  background: #fff;
  color: var(--c1-charcoal);
}

label {
  display: grid;
  gap: 7px;
  font-weight: 800;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid #d7dde5;
  border-radius: 6px;
  padding: 13px 14px;
  font: inherit;
}

/* Concept 2 */
.concept-two {
  font-family: "Nunito Sans", Arial, sans-serif;
  color: var(--c2-text);
  background: linear-gradient(180deg, #fff, #f8fbfe);
}

.concept-two h1,
.concept-two h2,
.concept-two h3 {
  margin: 0;
  color: var(--c2-navy);
  font-family: "Merriweather Sans", Arial, sans-serif;
  letter-spacing: 0;
}

.c2-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, .88);
  border-bottom: 1px solid rgba(11, 92, 173, .1);
  box-shadow: 0 12px 36px rgba(18, 50, 74, .08);
  backdrop-filter: blur(14px);
}

.c2-service-line {
  display: flex;
  justify-content: center;
  gap: 28px;
  padding: 9px 20px;
  color: var(--c2-navy);
  background: var(--c2-sky);
  font-size: .88rem;
  font-weight: 800;
}

.c2-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 18px clamp(18px, 5vw, 72px);
}

.c2-hero,
.local-intro,
.c2-services,
.c2-reputation,
.promise,
.reviews,
.c2-estimate,
.c2-contact {
  padding: 78px clamp(20px, 5vw, 72px);
}

.c2-hero {
  display: grid;
  grid-template-columns: minmax(0, .92fr) minmax(360px, .82fr);
  gap: 56px;
  align-items: center;
  background:
    radial-gradient(circle at 82% 20%, rgba(244, 185, 66, .18), transparent 22%),
    radial-gradient(circle at 12% 5%, rgba(11, 92, 173, .1), transparent 28%),
    linear-gradient(180deg, #fff 0%, #f8fbfe 100%);
}

.c2-hero-copy {
  max-width: 720px;
}

.c2-hero h1 {
  font-size: clamp(2.9rem, 6vw, 5.6rem);
  line-height: 1.02;
}

.c2-hero p {
  font-size: 1.1rem;
  line-height: 1.68;
}

.quiet-phone {
  display: inline-block;
  margin-top: 18px;
  color: var(--c2-blue);
  font-weight: 900;
}

.c2-photo-panel {
  position: relative;
  padding: 22px;
  border: 1px solid rgba(11, 92, 173, .12);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, .86), rgba(232, 243, 252, .72)),
    url("assets/generic-hvac-home.svg") center / 82% auto no-repeat;
  box-shadow: 0 24px 60px rgba(18, 50, 74, .13);
  isolation: isolate;
  animation: cardFloat 8s ease-in-out infinite;
}

.c2-photo-panel img {
  width: 100%;
  height: 570px;
  border-radius: 8px;
  object-fit: cover;
  object-position: center;
  border: 1px solid rgba(11, 92, 173, .1);
  animation: cinematicDrift 20s ease-in-out infinite;
  will-change: transform;
}

.concept-two .c2-photo-panel img {
  object-position: center 42%;
}

.local-stock-photo img {
  object-position: center 58%;
  animation: cinematicDrift 24s ease-in-out infinite;
  will-change: transform;
}

.photo-note {
  position: absolute;
  right: 22px;
  bottom: 22px;
  max-width: 320px;
  padding: 20px;
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 18px 40px rgba(18, 50, 74, .18);
}

.photo-note strong,
.photo-note span {
  display: block;
}

.photo-note span {
  margin-top: 6px;
  line-height: 1.45;
}

.local-intro {
  display: grid;
  grid-template-columns: .85fr .95fr minmax(220px, .45fr);
  gap: 42px;
  align-items: center;
  background:
    linear-gradient(90deg, rgba(232, 243, 252, .96), rgba(255, 255, 255, .86)),
    url("assets/generic-hvac-home.svg") right -180px center / 520px auto no-repeat;
}

.local-stock-photo {
  position: relative;
  height: 230px;
  box-shadow: 0 18px 38px rgba(18, 50, 74, .12);
}

.local-intro h2,
.c2-services h2,
.c2-reputation h2,
.promise h2,
.reviews h2,
.c2-estimate h2,
.c2-contact h2 {
  font-size: clamp(2.1rem, 4vw, 3.75rem);
  line-height: 1.08;
}

.local-intro p,
.c2-reputation p,
.promise p,
.c2-estimate p,
.c2-contact p {
  line-height: 1.72;
  font-size: 1.05rem;
}

.c2-services {
  background: #fff;
}

.c2-grid article {
  border: 1px solid #e2e8f0;
  background: linear-gradient(180deg, #ffffff, #fbfdff);
  box-shadow: 0 16px 34px rgba(18, 50, 74, .07);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}

.c2-grid article:hover {
  transform: translateY(-4px);
  border-color: rgba(11, 92, 173, .28);
  box-shadow: 0 22px 44px rgba(18, 50, 74, .11);
}

.c2-grid span {
  color: var(--c2-blue);
  background: linear-gradient(135deg, #eef8ff, #d7ecfb);
}

.c2-grid h3 {
  font-size: 1.22rem;
}

.c2-grid p {
  color: var(--c2-text);
}

.c2-grid a {
  color: var(--c2-blue);
}

.c2-reputation {
  background:
    radial-gradient(circle at 88% 18%, rgba(244, 185, 66, .16), transparent 24%),
    var(--c2-gray);
}

.c2-badges div {
  min-height: 160px;
  padding: 24px;
  border-radius: 8px;
  background: #fff;
  border: 1px solid rgba(11, 92, 173, .08);
  box-shadow: 0 16px 34px rgba(18, 50, 74, .07);
}

.c2-badges strong {
  color: var(--c2-navy);
  font-size: 1.1rem;
}

.c2-badges span {
  margin-top: 10px;
  line-height: 1.55;
}

.promise {
  display: grid;
  grid-template-columns: .78fr 1.08fr;
  gap: 48px;
  align-items: start;
}

.promise-media {
  display: grid;
  grid-template-columns: .9fr 1fr;
  gap: 18px;
  align-items: stretch;
}

.promise-photo {
  min-height: 380px;
  box-shadow: 0 18px 42px rgba(18, 50, 74, .12);
}

.promise-photo img {
  object-position: center;
  animation: cinematicDrift 25s ease-in-out infinite;
  will-change: transform;
}

.motion-label {
  position: absolute;
  z-index: 4;
  top: 28px;
  left: 28px;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 9px 12px;
  border: 1px solid rgba(255, 255, 255, .32);
  border-radius: 999px;
  color: #fff;
  background: rgba(6, 24, 43, .7);
  box-shadow: 0 12px 30px rgba(0, 0, 0, .22);
  font-size: .78rem;
  font-weight: 900;
  text-transform: uppercase;
  backdrop-filter: blur(12px);
}

.motion-label span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #34d399;
  box-shadow: 0 0 0 6px rgba(52, 211, 153, .18);
  animation: pulseDot 1.8s ease-in-out infinite;
}

.c2-motion {
  color: var(--c2-navy);
  border-color: rgba(11, 92, 173, .16);
  background: rgba(255, 255, 255, .82);
}

.motion-scan {
  position: absolute;
  z-index: 3;
  left: 16px;
  right: 16px;
  top: 16px;
  height: 74px;
  border-radius: 8px;
  pointer-events: none;
  background: linear-gradient(180deg, transparent, rgba(234, 246, 255, .24), transparent);
  mix-blend-mode: screen;
  animation: scanMove 5.8s linear infinite;
}

.airflow {
  position: absolute;
  z-index: 3;
  left: 24px;
  bottom: 154px;
  width: 122px;
  height: 18px;
  border-top: 3px solid rgba(234, 246, 255, .72);
  border-radius: 50%;
  pointer-events: none;
  animation: airflowDrift 5.2s ease-in-out infinite;
}

.airflow-two {
  bottom: 206px;
  width: 168px;
  border-color: rgba(249, 115, 22, .72);
  animation-delay: 1.7s;
}

.concept-two .airflow {
  border-color: rgba(11, 92, 173, .72);
}

.concept-two .airflow-two {
  border-color: rgba(244, 185, 66, .8);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
  }
}

.promise-list {
  display: grid;
  gap: 16px;
}

.promise-list article {
  padding: 24px;
  border-left: 5px solid var(--c2-gold);
  border-radius: 8px;
  background: linear-gradient(135deg, #ffffff, var(--c2-sky));
  box-shadow: 0 14px 32px rgba(18, 50, 74, .07);
}

.promise-list h3 {
  font-size: 1.3rem;
}

.promise-list p {
  margin-bottom: 0;
}

.reviews {
  background: #fff;
}

.review-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

blockquote {
  margin: 0;
  padding: 26px;
  border-radius: 8px;
  border: 1px solid rgba(11, 92, 173, .08);
  background: linear-gradient(180deg, #ffffff, var(--c2-gray));
  box-shadow: 0 16px 34px rgba(18, 50, 74, .07);
}

blockquote p {
  margin-top: 0;
  color: var(--c2-navy);
  font-size: 1.08rem;
  line-height: 1.65;
}

cite {
  color: var(--c2-blue);
  font-style: normal;
  font-weight: 900;
}

.c2-afterhours {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 22px;
  align-items: center;
  padding: 42px clamp(20px, 5vw, 72px);
  color: var(--c2-navy);
  background: linear-gradient(90deg, var(--c2-sky), #fff7df);
}

.c2-afterhours h2 {
  font-size: clamp(2rem, 4vw, 3.3rem);
}

.c2-afterhours p {
  max-width: 760px;
  line-height: 1.65;
}

.c2-afterhours a {
  display: block;
  color: var(--c2-blue);
  font-size: clamp(2.1rem, 4vw, 4rem);
  font-weight: 900;
}

.c2-afterhours small {
  font-weight: 800;
}

.c2-estimate {
  text-align: center;
  background: var(--c2-navy);
}

.c2-estimate h2,
.c2-estimate p {
  color: #fff;
}

.c2-estimate p {
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
  color: rgba(255, 255, 255, .78);
}

.c2-estimate div {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.c2-contact {
  display: grid;
  grid-template-columns: .85fr 1fr;
  gap: 44px;
  background: var(--c2-gray);
}

.c2-contact form {
  box-shadow: 0 12px 28px rgba(18, 50, 74, .08);
}

.mobile-callbar {
  display: none;
}

@media (max-width: 1040px) {
  .c1-header nav,
  .c2-nav nav {
    display: none;
  }

  .c1-hero,
  .c2-hero,
  .c1-proof,
  .c1-contact,
  .c2-contact,
  .promise,
  .local-intro,
  .promise-media {
    grid-template-columns: 1fr;
  }

  .hero-tech-card {
    align-self: auto;
  }

  .service-grid,
  .badge-row,
  .c2-badges,
  .review-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .emergency-band,
  .estimate-strip,
  .c2-afterhours {
    grid-template-columns: 1fr;
  }

  .board-grid {
    grid-template-columns: 1fr 1fr;
  }

  .board-visual {
    grid-column: 1 / -1;
    grid-row: auto;
  }
}

@media (max-width: 720px) {
  body {
    padding-bottom: 70px;
  }

  .top-alert,
  .c2-service-line {
    flex-direction: column;
    gap: 4px;
    text-align: center;
  }

  .c1-header,
  .c2-nav {
    align-items: flex-start;
    flex-direction: column;
  }

  .brand-mark img {
    width: 180px;
  }

  .header-actions {
    width: 100%;
  }

  .header-actions .btn {
    flex: 1;
    padding-left: 12px;
    padding-right: 12px;
    font-size: .88rem;
  }

  .c1-hero {
    min-height: auto;
    padding-top: 54px;
  }

  .cool-panel,
  .heat-panel {
    clip-path: none;
  }

  .heat-panel {
    opacity: .24;
  }

  .c1-hero h1 {
    font-size: clamp(4rem, 22vw, 6.2rem);
  }

  .hero-actions .btn,
  .hero-actions .phone-punch {
    width: 100%;
  }

  .hero-tech-card img,
  .c2-photo-panel img {
    height: 420px;
  }

  .floating-hero-stat {
    right: 10px;
  }

  .local-stock-photo,
  .promise-photo {
    min-height: 240px;
    height: 260px;
  }

  .service-grid,
  .badge-row,
  .c2-badges,
  .review-grid,
  .stat-stack,
  .concept-links {
    grid-template-columns: 1fr;
  }

  .emergency-call {
    min-width: 0;
  }

  .c1-services,
  .c1-trust,
  .c1-proof,
  .c1-contact,
  .c2-hero,
  .local-intro,
  .c2-services,
  .c2-reputation,
  .promise,
  .reviews,
  .c2-estimate,
  .c2-contact {
    padding-top: 56px;
    padding-bottom: 56px;
  }

  .photo-note {
    position: static;
    margin-top: 14px;
    max-width: none;
  }

  .mobile-callbar {
    position: fixed;
    z-index: 40;
    right: 0;
    bottom: 0;
    left: 0;
    display: grid;
    grid-template-columns: 1.4fr .8fr;
    box-shadow: 0 -10px 24px rgba(0, 0, 0, .18);
  }

  .mobile-callbar a {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 64px;
    color: #fff;
    background: var(--c1-red);
    font-weight: 900;
  }

  .mobile-callbar a + a {
    background: var(--c1-heat);
  }

  .c2-mobile a {
    background: var(--c2-blue);
  }

  .c2-mobile a + a {
    color: var(--c2-navy);
    background: var(--c2-gold);
  }

  .board-top {
    align-items: flex-start;
    flex-direction: column;
  }

  .board-top nav {
    width: 100%;
  }

  .board-top nav a {
    flex: 1;
    text-align: center;
  }

  .board-grid {
    grid-template-columns: 1fr;
  }

  .board-visual {
    min-height: 420px;
  }
}