:root {
  --ink: #07111f;
  --ink-soft: #142238;
  --muted: #293a52;
  --line: rgba(7, 17, 31, 0.24);
  --line-dark: rgba(255, 255, 255, 0.16);
  --bg: #e8f0f7;
  --white: #ffffff;
  --navy: #071b33;
  --blue: #0d63ce;
  --cyan: #17c9dd;
  --green: #59d49f;
  --gold: #f3c96b;
  --radius: 8px;
  --shadow: 0 26px 74px rgba(4, 18, 38, 0.2);
  --shadow-strong: 0 38px 110px rgba(3, 12, 28, 0.38);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.65;
  overflow-x: hidden;
}

body::selection {
  color: var(--white);
  background: var(--blue);
}

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

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

.container {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid rgba(7, 17, 31, 0.16);
  backdrop-filter: blur(22px);
  transition: box-shadow 0.22s ease, background 0.22s ease;
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 18px 48px rgba(4, 18, 38, 0.14);
}

.nav {
  min-height: 86px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
}

.brand img {
  width: 154px;
}

.nav-links {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
}

.nav-links a {
  position: relative;
  padding: 10px 12px;
  border-radius: var(--radius);
  color: #2b3b51;
  font-size: 0.92rem;
  font-weight: 800;
  transition: color 0.2s ease, background 0.2s ease;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 6px;
  height: 2px;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.22s ease;
}

.nav-links a:hover {
  color: var(--blue);
  background: rgba(13, 99, 206, 0.08);
}

.nav-links a:hover::after {
  transform: scaleX(1);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink);
  background: var(--white);
  font-size: 1.25rem;
  cursor: pointer;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 18px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-weight: 900;
  line-height: 1.1;
  white-space: nowrap;
  cursor: pointer;
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease, background 0.22s ease, filter 0.22s ease;
}

.btn:hover {
  transform: translateY(-4px);
  filter: saturate(1.08);
}

.btn:active {
  transform: translateY(0);
}

.btn-large {
  min-height: 54px;
  padding: 16px 22px;
}

.btn-primary {
  color: var(--white);
  background: linear-gradient(135deg, #084aa2, #0d63ce 48%, #0bbdd4);
  box-shadow: 0 18px 42px rgba(13, 99, 206, 0.36);
}

.btn-primary:hover {
  box-shadow: 0 26px 58px rgba(13, 99, 206, 0.44);
}

.btn-call {
  color: var(--navy);
  background: rgba(13, 99, 206, 0.13);
  border-color: rgba(13, 99, 206, 0.28);
}

.btn-glass {
  color: var(--white);
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.24);
  backdrop-filter: blur(14px);
}

.btn-light {
  color: var(--navy);
  background: var(--white);
  border-color: var(--white);
}

.hero {
  position: relative;
  min-height: 760px;
  display: grid;
  align-items: center;
  isolation: isolate;
  overflow: hidden;
  color: var(--white);
  background: var(--navy);
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: -3;
  background: url("../images/hero-pompe-a-chaleur-bh-bruno-holin.webp") center / cover no-repeat;
  transform: scale(1.03);
  animation: heroDrift 18s ease-in-out infinite alternate;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(90deg, rgba(2, 8, 20, 0.98) 0%, rgba(4, 18, 38, 0.93) 44%, rgba(4, 18, 38, 0.32) 100%),
    radial-gradient(circle at 26% 18%, rgba(23, 201, 221, 0.28), transparent 32%),
    radial-gradient(circle at 72% 78%, rgba(89, 212, 159, 0.22), transparent 34%);
}

.hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 150px;
  z-index: -1;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0), var(--white));
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.55fr);
  gap: 48px;
  align-items: center;
  padding: 94px 0 140px;
}

.hero-copy {
  max-width: 780px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  color: #aaf5ff;
  font-size: 0.78rem;
  font-weight: 950;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.eyebrow span {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: currentColor;
  box-shadow: 0 0 18px currentColor;
}

.eyebrow.dark {
  color: var(--blue);
}

h1,
h2,
h3,
p {
  overflow-wrap: break-word;
}

.hero h1,
.page-hero h1 {
  max-width: 840px;
  margin: 0;
  font-size: clamp(3.1rem, 7.4vw, 6.75rem);
  line-height: 0.92;
  letter-spacing: 0;
}

.hero-lead {
  max-width: 690px;
  margin: 26px 0 0;
  color: rgba(255, 255, 255, 0.84);
  font-size: clamp(1.05rem, 1.55vw, 1.3rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 36px;
}

.proof-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}

.proof-strip span {
  padding: 9px 12px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
  color: rgba(255, 255, 255, 0.86);
  background: rgba(255, 255, 255, 0.08);
  font-size: 0.88rem;
  font-weight: 800;
}

.hero-panel {
  position: relative;
  padding: 30px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius);
  background: linear-gradient(150deg, rgba(255, 255, 255, 0.18), rgba(255, 255, 255, 0.08));
  box-shadow: var(--shadow-strong);
  backdrop-filter: blur(22px);
  overflow: hidden;
}

.hero-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(23, 201, 221, 0.22), transparent 42%);
  pointer-events: none;
}

.panel-status,
.hero-panel h2,
.hero-panel p,
.metric-grid {
  position: relative;
}

.panel-status {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 8px 10px;
  border-radius: var(--radius);
  color: #dffcff;
  background: rgba(23, 201, 221, 0.12);
  font-size: 0.82rem;
  font-weight: 900;
}

.live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 18px var(--green);
  animation: softPulse 2.4s ease-in-out infinite;
}

.hero-panel h2 {
  margin: 28px 0 12px;
  font-size: 2rem;
  line-height: 1.05;
}

.hero-panel p {
  margin: 0;
  color: rgba(255, 255, 255, 0.76);
}

.metric-grid {
  display: grid;
  gap: 10px;
  margin-top: 28px;
}

.metric-grid div {
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  background: rgba(5, 18, 36, 0.34);
}

.metric-grid strong {
  display: block;
  font-size: 1.55rem;
  line-height: 1;
}

.metric-grid span {
  display: block;
  margin-top: 6px;
  color: rgba(255, 255, 255, 0.66);
  font-size: 0.9rem;
}

.trust-band {
  position: relative;
  z-index: 2;
  margin-top: -76px;
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.trust-card {
  min-height: 250px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #f7fbff;
  box-shadow: var(--shadow);
}

.trust-card,
.number-card,
.content-card,
.area-card,
.feature,
.faq,
.testimonial,
.aid-grid article,
.mini-grid article {
  position: relative;
  overflow: hidden;
  transition: transform 0.34s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.34s ease, border-color 0.34s ease, background 0.34s ease;
}

.trust-card::before,
.number-card::before,
.content-card::before,
.area-card::before,
.feature::before,
.faq::before,
.testimonial::before,
.aid-grid article::before,
.mini-grid article::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 0%, rgba(23, 201, 221, 0.12) 38%, rgba(13, 99, 206, 0.14) 50%, transparent 64%);
  opacity: 0;
  transform: translateX(-34%);
  transition: opacity 0.34s ease, transform 0.65s ease;
  pointer-events: none;
}

.trust-card:hover,
.number-card:hover,
.content-card:hover,
.area-card:hover,
.feature:hover,
.faq:hover,
.testimonial:hover,
.aid-grid article:hover,
.mini-grid article:hover {
  transform: translateY(-10px) scale(1.012);
  border-color: rgba(13, 99, 206, 0.48);
  box-shadow: 0 32px 84px rgba(4, 18, 38, 0.22);
}

.trust-card:hover::before,
.number-card:hover::before,
.content-card:hover::before,
.area-card:hover::before,
.feature:hover::before,
.faq:hover::before,
.testimonial:hover::before,
.aid-grid article:hover::before,
.mini-grid article:hover::before {
  opacity: 1;
  transform: translateX(34%);
}

.trust-card span {
  color: var(--cyan);
  font-size: 0.82rem;
  font-weight: 950;
}

.trust-card h2 {
  margin: 18px 0 12px;
  font-size: 1.55rem;
  line-height: 1.12;
}

.trust-card p,
.section-heading p,
.service-card p,
.usecase-card p,
.showcase-copy p,
.process-step p,
.area-copy p,
.faq p,
.testimonial p,
.site-footer p,
.content-card p,
.area-card p,
.feature p {
  color: var(--muted);
}

.numbers-section {
  padding: 70px 0 18px;
}

.numbers-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.number-card {
  min-height: 170px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    radial-gradient(circle at top right, rgba(23, 201, 221, 0.2), transparent 42%),
    linear-gradient(180deg, #ffffff, #eef6fc);
  box-shadow: 0 20px 54px rgba(4, 18, 38, 0.12);
}

.number-card strong {
  display: block;
  color: var(--navy);
  font-size: clamp(2.4rem, 4vw, 4.5rem);
  line-height: 0.92;
  letter-spacing: 0;
}

.number-card span {
  display: block;
  max-width: 180px;
  margin-top: 14px;
  color: var(--muted);
  font-weight: 850;
}

.section {
  padding: 104px 0;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(280px, 0.45fr);
  gap: 42px;
  align-items: end;
  margin-bottom: 42px;
}

.section-heading .eyebrow {
  grid-column: 1 / -1;
  margin-bottom: -22px;
}

.section-heading h2,
.showcase-copy h2,
.area-copy h2,
.cta-band h2,
.page-section h2 {
  margin: 0;
  font-size: clamp(2rem, 4.1vw, 4.25rem);
  line-height: 0.98;
  letter-spacing: 0;
}

.section-heading p {
  margin: 0;
  font-size: 1rem;
}

.service-highlight-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.service-card {
  position: relative;
  min-height: 360px;
  display: grid;
  grid-template-rows: 64px 84px 1fr auto;
  align-items: start;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.99), rgba(230, 240, 249, 0.98)),
    var(--white);
  box-shadow: 0 18px 46px rgba(4, 18, 38, 0.1);
  overflow: hidden;
  transition: transform 0.34s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.34s ease, border-color 0.34s ease;
}

.service-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(120deg, transparent, rgba(23, 201, 221, 0.12), transparent),
    radial-gradient(circle at top right, rgba(23, 201, 221, 0.28), transparent 42%);
  opacity: 0;
  transform: translateX(-18%);
  transition: opacity 0.28s ease, transform 0.55s ease;
}

.service-card > * {
  position: relative;
}

.service-card:hover {
  transform: translateY(-12px) scale(1.015);
  border-color: rgba(13, 99, 206, 0.5);
  box-shadow: 0 34px 90px rgba(4, 18, 38, 0.24);
}

.service-card:hover::before {
  opacity: 1;
  transform: translateX(18%);
}

.service-top {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.service-icon {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border-radius: var(--radius);
  color: var(--white);
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  font-size: 1.2rem;
  font-weight: 900;
  box-shadow: 0 14px 32px rgba(13, 99, 206, 0.22);
  transition: transform 0.34s ease, box-shadow 0.34s ease;
}

.service-card:hover .service-icon {
  transform: rotate(-5deg) scale(1.08);
  box-shadow: 0 18px 44px rgba(13, 99, 206, 0.34);
}

.service-kicker {
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 950;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.service-card h3 {
  align-self: start;
  margin: 22px 0 0;
  min-height: 62px;
  font-size: 1.45rem;
  line-height: 1.1;
}

.service-card p {
  align-self: start;
  margin: 18px 0 0;
}

.service-card strong {
  align-self: end;
  margin-top: 22px;
  color: var(--blue);
  font-size: 0.95rem;
}

.usecases-section {
  background: #041326;
  color: var(--white);
}

.usecases-section .section-heading h2 {
  color: var(--white);
}

.usecases-section .section-heading p {
  color: rgba(255, 255, 255, 0.72);
}

.usecase-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.usecase-card {
  min-height: 320px;
  padding: 26px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.04)),
    rgba(255, 255, 255, 0.04);
  transition: transform 0.34s cubic-bezier(0.22, 1, 0.36, 1), background 0.34s ease, border-color 0.34s ease, box-shadow 0.34s ease;
}

.usecase-card:hover {
  transform: translateY(-12px) scale(1.012);
  border-color: rgba(23, 201, 221, 0.62);
  box-shadow: 0 28px 76px rgba(0, 0, 0, 0.28);
  background:
    radial-gradient(circle at top right, rgba(23, 201, 221, 0.18), transparent 42%),
    rgba(255, 255, 255, 0.08);
}

.usecase-card span {
  display: inline-flex;
  padding: 7px 10px;
  border: 1px solid rgba(23, 201, 221, 0.28);
  border-radius: var(--radius);
  color: #aaf5ff;
  font-size: 0.78rem;
  font-weight: 950;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.usecase-card h3 {
  margin: 66px 0 12px;
  color: var(--white);
  font-size: 1.5rem;
  line-height: 1.1;
}

.usecase-card p {
  color: rgba(255, 255, 255, 0.82);
}

.showcase {
  background:
    linear-gradient(180deg, #f7fbff, #edf5fb),
    var(--bg);
}

.showcase-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(360px, 0.65fr);
  gap: 64px;
  align-items: center;
}

.showcase-copy p {
  max-width: 700px;
}

.check-list {
  display: grid;
  gap: 12px;
  padding: 0;
  margin: 28px 0 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 34px;
  color: var(--ink-soft);
  font-weight: 750;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.35em;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--green), var(--cyan));
  box-shadow: 0 8px 18px rgba(23, 201, 221, 0.22);
}

.process-card {
  position: relative;
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
  color: var(--white);
  background: linear-gradient(150deg, #071b33, #0c315f 64%, #0d63ce);
  box-shadow: var(--shadow-strong);
  overflow: hidden;
}

.process-card::after {
  content: "";
  position: absolute;
  right: -80px;
  top: -80px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: rgba(23, 201, 221, 0.18);
  filter: blur(4px);
}

.process-step {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.process-step:last-child {
  border-bottom: 0;
}

.process-step span {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: var(--radius);
  color: var(--navy);
  background: var(--white);
  font-weight: 950;
}

.process-step h3 {
  margin: 0 0 4px;
}

.process-step p {
  margin: 0;
  color: rgba(255, 255, 255, 0.74);
}

.workshop-section {
  position: relative;
  min-height: 620px;
  display: grid;
  align-items: end;
  isolation: isolate;
  overflow: hidden;
  color: var(--white);
  background: #041326;
}

.workshop-media {
  position: absolute;
  inset: 0;
  z-index: -3;
  background: url("../images/photo-plomberie-reseaux-bh-bruno-holin.webp") center / cover no-repeat;
  transform: scale(1.03);
}

.workshop-section::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(180deg, rgba(7, 27, 51, 0.04) 0%, rgba(7, 27, 51, 0.94) 88%),
    linear-gradient(90deg, rgba(7, 27, 51, 0.92), rgba(7, 27, 51, 0.16));
}

.workshop-content {
  max-width: 780px;
  padding: 170px 0 78px;
}

.workshop-content h2 {
  margin: 0;
  max-width: 760px;
  font-size: clamp(2.4rem, 5vw, 5rem);
  line-height: 0.95;
}

.workshop-content p {
  max-width: 650px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 1.08rem;
}

.workshop-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.workshop-points span {
  padding: 10px 13px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.1);
  font-weight: 900;
}

.energy-section {
  background:
    radial-gradient(circle at 82% 20%, rgba(89, 212, 159, 0.13), transparent 28%),
    linear-gradient(180deg, #ffffff, #f4f9fc);
}

.energy-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1fr);
  gap: 34px;
  align-items: stretch;
}

.energy-card {
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow);
}

.energy-card h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.7rem);
  line-height: 0.98;
}

.energy-card p {
  color: var(--muted);
}

.aid-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.aid-grid article {
  min-height: 190px;
  padding: 26px;
  border: 1px solid rgba(13, 99, 206, 0.14);
  border-radius: var(--radius);
  background:
    radial-gradient(circle at top right, rgba(23, 201, 221, 0.16), transparent 42%),
    var(--white);
}

.aid-grid strong {
  display: block;
  color: var(--navy);
  font-size: 1.35rem;
  line-height: 1.1;
}

.aid-grid span {
  display: block;
  margin-top: 12px;
  color: var(--muted);
  font-weight: 700;
}

.area-section {
  background: var(--white);
}

.area-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 0.95fr);
  gap: 56px;
  align-items: center;
}

.area-map {
  min-height: 440px;
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 50% 48%, rgba(23, 201, 221, 0.24), transparent 24%),
    radial-gradient(circle at 38% 36%, rgba(13, 99, 206, 0.16), transparent 18%),
    linear-gradient(145deg, #eef7fb, #ffffff);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.area-map::after {
  content: "";
  position: absolute;
  inset: 110px 160px;
  border-radius: 50%;
  background: rgba(23, 201, 221, 0.2);
  filter: blur(34px);
  opacity: 0.75;
  animation: zoneGlow 5.5s ease-in-out infinite;
}

.area-map::before {
  content: "";
  position: absolute;
  inset: 70px;
  border: 1px dashed rgba(13, 99, 206, 0.28);
  border-radius: 50%;
  animation: zoneOrbit 18s linear infinite;
}

.area-map span {
  position: absolute;
  z-index: 1;
  padding: 9px 12px;
  border: 1px solid rgba(13, 99, 206, 0.16);
  border-radius: var(--radius);
  color: var(--navy);
  background: rgba(255, 255, 255, 0.84);
  box-shadow: 0 12px 28px rgba(8, 28, 56, 0.1);
  font-size: 0.9rem;
  font-weight: 900;
  animation: zoneFloat 4.6s ease-in-out infinite;
}

.area-map span:nth-child(1) { left: 42%; top: 45%; background: var(--navy); color: var(--white); animation-delay: 0s; }
.area-map span:nth-child(2) { left: 16%; top: 24%; animation-delay: 0.35s; }
.area-map span:nth-child(3) { right: 15%; top: 22%; animation-delay: 0.7s; }
.area-map span:nth-child(4) { left: 14%; bottom: 24%; animation-delay: 1.05s; }
.area-map span:nth-child(5) { right: 12%; bottom: 22%; animation-delay: 1.4s; }

.area-copy p {
  font-size: 1.05rem;
}

.faq-section {
  background: #f7fbff;
}

.testimonials-section {
  background: var(--white);
}

.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.testimonial {
  min-height: 260px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, #ffffff, #f7fbff),
    var(--white);
  box-shadow: 0 18px 48px rgba(8, 28, 56, 0.08);
}

.testimonial p {
  margin: 0 0 28px;
  color: var(--ink-soft);
  font-size: 1.08rem;
  font-weight: 700;
}

.testimonial strong {
  display: block;
  color: var(--blue);
}

.testimonial span {
  display: block;
  margin-top: 4px;
  color: var(--muted);
}

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

.faq {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}

.faq h3 {
  margin: 0 0 10px;
  line-height: 1.2;
}

.faq p {
  margin: 0;
}

.cta-band {
  padding: 88px 0;
  color: var(--white);
  background:
    radial-gradient(circle at 14% 22%, rgba(23, 201, 221, 0.22), transparent 30%),
    radial-gradient(circle at 78% 80%, rgba(89, 212, 159, 0.18), transparent 32%),
    linear-gradient(135deg, #020916, #07306a 58%, #0b67db);
}

.cta-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 48px;
  align-items: center;
}

.cta-band p {
  max-width: 680px;
  color: rgba(255, 255, 255, 0.78);
}

.cta-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.site-footer {
  padding: 58px 0 26px;
  color: rgba(255, 255, 255, 0.78);
  background: #031022;
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(180px, 0.5fr) minmax(220px, 0.6fr);
  gap: 48px;
}

.footer-logo {
  width: 180px;
  margin-bottom: 18px;
}

.site-footer h2,
.site-footer h3 {
  margin-top: 0;
  color: var(--white);
}

.footer-links {
  display: grid;
  gap: 8px;
}

.footer-links a,
.site-footer a {
  color: rgba(255, 255, 255, 0.86);
}

.footer-links a:hover,
.site-footer a:hover {
  color: var(--cyan);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: 42px;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.92rem;
}

.mobile-sticky-call {
  display: none;
}

.js-enabled .reveal {
  opacity: 0;
  transform: translateY(34px) scale(0.965);
  transition: opacity 0.78s ease, transform 0.78s cubic-bezier(0.16, 1, 0.3, 1);
  transition-delay: var(--reveal-delay, 0ms);
}

.js-enabled .hero .reveal {
  opacity: 1;
  transform: none;
}

.js-enabled .reveal.is-visible,
.reveal {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.js-enabled .reveal.service-card,
.js-enabled .reveal.usecase-card,
.js-enabled .reveal.trust-card,
.js-enabled .reveal.number-card,
.js-enabled .reveal.content-card,
.js-enabled .reveal.faq,
.js-enabled .reveal.testimonial,
.js-enabled .reveal.area-card,
.js-enabled .reveal.feature {
  transition:
    opacity 0.78s ease,
    transform 0.78s cubic-bezier(0.16, 1, 0.3, 1),
    box-shadow 0.34s ease,
    border-color 0.34s ease,
    background 0.34s ease,
    filter 0.22s ease;
  transition-delay: var(--reveal-delay, 0ms), var(--reveal-delay, 0ms), 0ms, 0ms, 0ms, 0ms;
}

@keyframes softPulse {
  0%,
  100% {
    transform: scale(1);
    opacity: 0.85;
  }

  50% {
    transform: scale(1.08);
    opacity: 1;
  }
}

@keyframes heroDrift {
  from {
    transform: scale(1.03) translate3d(0, 0, 0);
  }

  to {
    transform: scale(1.1) translate3d(-1.4%, -1%, 0);
  }
}

@keyframes zoneOrbit {
  from {
    transform: rotate(0deg) scale(1);
  }

  to {
    transform: rotate(360deg) scale(1.02);
  }
}

@keyframes zoneFloat {
  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-8px);
  }
}

@keyframes zoneGlow {
  0%,
  100% {
    transform: scale(0.94);
    opacity: 0.55;
  }

  50% {
    transform: scale(1.12);
    opacity: 0.9;
  }
}

.page-hero {
  padding: 96px 0 86px;
  color: var(--white);
  background:
    linear-gradient(90deg, rgba(2, 8, 20, 0.97), rgba(4, 18, 38, 0.78)),
    url("../images/hero-pompe-a-chaleur-bh-bruno-holin.webp") center / cover no-repeat;
}

.hero-chauffage {
  background:
    linear-gradient(90deg, rgba(2, 8, 20, 0.97), rgba(4, 18, 38, 0.72)),
    url("../images/photo-chauffage-pompe-a-chaleur-bh-bruno-holin.webp") center / cover no-repeat;
}

.hero-climatisation {
  background:
    linear-gradient(90deg, rgba(2, 8, 20, 0.97), rgba(4, 18, 38, 0.72)),
    url("../images/photo-climatisation-reversible-bh-bruno-holin.webp") center / cover no-repeat;
}

.hero-plomberie {
  background:
    linear-gradient(90deg, rgba(2, 8, 20, 0.97), rgba(4, 18, 38, 0.72)),
    url("../images/photo-plomberie-reseaux-bh-bruno-holin.webp") center / cover no-repeat;
}

.hero-electricite {
  background:
    linear-gradient(90deg, rgba(2, 8, 20, 0.97), rgba(4, 18, 38, 0.72)),
    url("../images/photo-tableau-electrique-bh-bruno-holin.webp") center / cover no-repeat;
}

.hero-contact {
  background:
    linear-gradient(90deg, rgba(2, 8, 20, 0.97), rgba(4, 18, 38, 0.72)),
    url("../images/photo-contact-devis-bh-bruno-holin.webp") center / cover no-repeat;
}

.service-hero {
  position: relative;
  overflow: hidden;
}

.service-hero::after {
  content: "";
  position: absolute;
  right: -120px;
  bottom: -120px;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: rgba(23, 201, 221, 0.26);
  filter: blur(10px);
  animation: softPulse 5s ease-in-out infinite;
}

.service-hero .container {
  position: relative;
  z-index: 1;
}

.page-hero p {
  max-width: 760px;
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.12rem;
}

.page-section {
  padding: 92px 0;
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 34px;
  align-items: start;
}

.content-card,
.area-card,
.feature,
.panel {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: 0 18px 50px rgba(4, 18, 38, 0.1);
  transform: translateZ(0);
}

.service-intro {
  border-color: rgba(13, 99, 206, 0.18);
  background:
    radial-gradient(circle at top right, rgba(23, 201, 221, 0.12), transparent 38%),
    var(--white);
}

.service-intro h2 {
  margin-top: 0;
}

.service-photo {
  margin: 24px 0 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #e8f1f8;
  box-shadow: 0 18px 50px rgba(4, 18, 38, 0.14);
}

.service-photo img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  transition: transform 0.45s ease, filter 0.45s ease;
}

.service-photo:hover img {
  transform: scale(1.075);
  filter: saturate(1.16) contrast(1.08);
}

.contact-photo img {
  aspect-ratio: 9 / 7;
}

.service-photo + .check-list,
.service-photo + .form,
.service-photo + .btn {
  margin-top: 24px;
}

.mini-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 20px;
}

.mini-grid article {
  min-height: 138px;
  padding: 20px;
  border: 1px solid rgba(13, 99, 206, 0.13);
  border-radius: var(--radius);
  background: linear-gradient(180deg, #ffffff, #f7fbff);
}

.mini-grid strong {
  display: block;
  color: var(--navy);
  font-size: 1.08rem;
}

.mini-grid span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
}

.quote-card {
  background:
    radial-gradient(circle at top right, rgba(23, 201, 221, 0.14), transparent 40%),
    linear-gradient(180deg, #ffffff, #f7fbff);
}

.quote-card .btn + .btn {
  margin-top: 10px;
}

.contact-page .content-grid {
  grid-template-columns: minmax(0, 1fr) 390px;
}

.contact-form-card h2 {
  margin-top: 0;
}

.form-status {
  display: none;
  margin: 22px 0 0;
  padding: 16px 18px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-weight: 850;
}

.form-status.is-visible {
  display: block;
}

.form-status-success {
  color: #053b25;
  border-color: rgba(31, 141, 91, 0.32);
  background: rgba(89, 212, 159, 0.2);
}

.form-status-error {
  color: #671414;
  border-color: rgba(196, 53, 53, 0.3);
  background: rgba(255, 230, 230, 0.86);
}

.content-card + .content-card {
  margin-top: 18px;
}

.aside {
  position: sticky;
  top: 110px;
}

.form,
.form-grid {
  display: grid;
  gap: 14px;
}

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

.form label {
  display: block;
  margin-bottom: 6px;
  font-weight: 850;
}

.form input,
.form select,
.form textarea {
  width: 100%;
  min-height: 48px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink);
  background: var(--white);
  font: inherit;
}

.form textarea {
  min-height: 148px;
  resize: vertical;
}

.features {
  background: var(--bg);
}

.split,
.feature-grid,
.area-grid,
.services-grid {
  display: grid;
  gap: 18px;
}

.split {
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1fr);
  gap: 48px;
  align-items: center;
}

.feature-grid,
.area-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
    animation: none !important;
  }
}

@media (max-width: 1080px) {
  .nav {
    grid-template-columns: auto auto;
  }

  .nav-links {
    position: fixed;
    top: 86px;
    left: 20px;
    right: 20px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow);
  }

  .nav-links.is-open {
    display: flex;
  }

  .menu-toggle {
    display: inline-grid;
    place-items: center;
  }

  .hero-grid,
  .showcase-grid,
  .area-layout,
  .content-grid,
  .contact-page .content-grid,
  .split {
    grid-template-columns: 1fr;
  }

  .hero-panel {
    max-width: 520px;
  }

  .service-highlight-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .numbers-grid,
  .usecase-grid,
  .energy-grid,
  .testimonial-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .container {
    width: min(100% - 28px, 1180px);
  }

  .brand img {
    width: 132px;
  }

  .nav {
    min-height: 76px;
    gap: 14px;
  }

  .nav-links {
    top: 76px;
    left: 14px;
    right: 14px;
  }

  .nav-actions .btn-primary,
  .nav-actions .btn-call {
    display: none;
  }

  .hero {
    min-height: auto;
  }

  .hero::before {
    background:
      linear-gradient(180deg, rgba(4, 16, 33, 0.96) 0%, rgba(7, 27, 51, 0.9) 62%, rgba(7, 27, 51, 0.62) 100%),
      radial-gradient(circle at 28% 18%, rgba(23, 201, 221, 0.18), transparent 34%);
  }

  .hero-grid {
    padding: 72px 0 118px;
    gap: 28px;
  }

  .hero-copy,
  .hero-panel {
    max-width: 100%;
  }

  .hero h1,
  .page-hero h1 {
    font-size: clamp(2.35rem, 10.5vw, 3.4rem);
    line-height: 1;
  }

  .hero-actions,
  .proof-strip,
  .cta-actions {
    flex-direction: column;
  }

  .btn,
  .btn-large {
    width: 100%;
  }

  .hero-panel {
    padding: 22px;
  }

  .trust-band {
    margin-top: -54px;
  }

  .trust-grid,
  .numbers-grid,
  .service-highlight-grid,
  .usecase-grid,
  .section-heading,
  .energy-grid,
  .aid-grid,
  .faq-grid,
  .testimonial-grid,
  .footer-grid,
  .feature-grid,
  .area-grid,
  .form-grid,
  .cta-grid {
    grid-template-columns: 1fr;
  }

  .section,
  .page-section {
    padding: 72px 0;
  }

  .section-heading {
    gap: 18px;
  }

  .section-heading .eyebrow {
    margin-bottom: 0;
  }

  .service-card {
    min-height: 300px;
    grid-template-rows: 64px auto auto auto;
  }

  .usecase-card {
    min-height: 260px;
  }

  .usecase-card h3 {
    margin-top: 46px;
  }

  .workshop-section {
    min-height: 520px;
  }

  .workshop-content {
    padding: 120px 0 64px;
  }

  .area-map {
    min-height: 360px;
  }

  .area-map::before {
    inset: 54px;
  }

  .area-map span {
    font-size: 0.78rem;
    padding: 8px 9px;
  }

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

  .footer-bottom {
    flex-direction: column;
  }

  .mobile-sticky-call {
    position: fixed;
    left: 14px;
    right: 14px;
    bottom: 14px;
    z-index: 60;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 52px;
    border-radius: var(--radius);
    color: var(--white);
    background: linear-gradient(135deg, var(--blue), var(--cyan));
    box-shadow: 0 18px 44px rgba(13, 99, 206, 0.34);
    font-weight: 950;
  }

  .site-footer {
    padding-bottom: 90px;
  }
}

@media (max-width: 420px) {
  .hero h1,
  .page-hero h1 {
    font-size: 2.42rem;
  }

  .trust-card,
  .service-card,
  .process-card,
  .faq,
  .content-card {
    padding: 22px;
  }

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