/* ----------------------------------------------------------
   le temps d'une pose — design system corporate v2
   ---------------------------------------------------------- */

:root {
  --navy: #072750;
  --navy-dark: #04172F;
  --navy-light: #0E3B6F;
  --sky: #E6EDF5;
  --yellow: #68A792;
  --yellow-dark: #4F8B77;
  --yellow-soft: #C5DDD2;
  --white: #FFFFFF;
  --cream: #F7F8FA;
  --ink: #1A1F2E;
  --ink-soft: #4A5167;
  --muted: #767D90;
  --line: #E1E5EE;
  --green: #1F8A4C;
  --red: #D43A2F;

  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-pill: 999px;

  --shadow-sm: 0 1px 3px rgba(7, 39, 80, .08), 0 1px 2px rgba(7, 39, 80, .04);
  --shadow-md: 0 4px 16px rgba(7, 39, 80, .10), 0 8px 32px rgba(7, 39, 80, .06);
  --shadow-lg: 0 12px 40px rgba(7, 39, 80, .15);

  --sans: "Montserrat", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  --display: "Montserrat", -apple-system, BlinkMacSystemFont, Arial, sans-serif;

  --container: 1240px;
  --gutter: 24px;
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; display: block; }
a { color: var(--navy); text-decoration: none; transition: color .15s; }
a:hover { color: var(--navy-light); }
button { font: inherit; cursor: pointer; border: 0; background: none; }
ul { padding-left: 1.1rem; }

/* ---------- type ---------- */
h1, h2, h3, h4 {
  font-family: var(--display);
  font-weight: 800;
  color: var(--navy-dark);
  letter-spacing: -.01em;
  line-height: 1.15;
  margin: 0 0 .5em;
  text-transform: uppercase;
}
h1 { font-size: clamp(2rem, 4.2vw, 3.2rem); letter-spacing: -.005em; }
h2 { font-size: clamp(1.5rem, 2.6vw, 2.1rem); }
h3 { font-size: clamp(1.15rem, 1.6vw, 1.35rem); }
h4 { font-size: 1rem; font-weight: 700; letter-spacing: .01em; }

.eyebrow {
  display: inline-block;
  font-size: .75rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--navy-light);
  font-weight: 700;
  margin-bottom: .8rem;
}

.lead {
  font-size: 1.1rem;
  color: var(--ink-soft);
  max-width: 62ch;
}

/* ---------- layout ---------- */
.container {
  width: min(100%, var(--container));
  margin: 0 auto;
  padding: 0 var(--gutter);
}
section { padding: clamp(48px, 6vw, 80px) 0; }
.section-tight { padding: clamp(32px, 4vw, 56px) 0; }

.bg-cream { background: var(--cream); }
.bg-sky { background: var(--sky); }
.bg-navy { background: var(--navy); color: var(--white); }
.bg-navy h1, .bg-navy h2, .bg-navy h3 { color: var(--white); }
.bg-yellow { background: var(--yellow); }

/* ---------- top bar ---------- */
.top-bar {
  background: var(--navy);
  color: var(--white);
  font-size: .85rem;
}
.top-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: .6rem;
  padding-bottom: .6rem;
  gap: 1rem;
  flex-wrap: wrap;
}
.top-bar a { color: var(--white); }
.top-bar .tel-line {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  font-weight: 700;
}
.top-bar .tel-line .num { font-size: 1rem; color: var(--yellow); letter-spacing: .02em; }
.top-bar .tel-line small { font-weight: 400; opacity: .85; }

/* ---------- header (floating capsule, Digilys-style) ---------- */
.site-header {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  isolation: isolate;
  width: min(94%, 1240px);
  border-radius: 999px;
  background: rgba(7, 39, 80, .88);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
          backdrop-filter: blur(20px) saturate(160%);
  border: 1px solid rgba(255, 255, 255, .12);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, .18),
    0 16px 48px rgba(7, 39, 80, .28),
    0 4px 16px rgba(0, 0, 0, .15);
  transition: background .25s ease, box-shadow .25s ease;
}
@supports not (backdrop-filter: blur(1px)) {
  .site-header { background: rgba(7, 39, 80, .96); }
}
.site-header::before {
  content: "";
  position: absolute;
  top: 0; left: 12%; right: 12%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.4), transparent);
  pointer-events: none;
}
.site-header.is-scrolled {
  background: rgba(7, 39, 80, .92);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, .22),
    0 18px 56px rgba(7, 39, 80, .35),
    0 4px 18px rgba(0, 0, 0, .2);
}

/* ===== LIGHT THEME (capsule when over a light section) ===== */
.site-header,
.site-header .nav-main > a,
.site-header .logo,
.site-header .nav-cta {
  transition: background-color .35s ease, color .35s ease, border-color .35s ease, box-shadow .35s ease, padding .35s ease;
}
.site-header.theme-light {
  background: rgba(255, 255, 255, .78);
  border-color: rgba(7, 39, 80, .10);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, .95),
    0 12px 36px rgba(7, 39, 80, .14),
    0 2px 10px rgba(7, 39, 80, .08);
}
.site-header.theme-light::before {
  background: linear-gradient(90deg, transparent, rgba(7,39,80,.18), transparent);
}
.site-header.theme-light.is-scrolled {
  background: rgba(255, 255, 255, .92);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 1),
    0 14px 40px rgba(7, 39, 80, .18);
}
/* Logo: drop the white tile in light mode (logo navy already readable on white glass) */
.site-header.theme-light .logo {
  background: transparent;
  padding: 4px 10px;
  box-shadow: none;
}
/* Nav links: navy text in light mode */
.site-header.theme-light .nav-main > a {
  color: var(--ink) !important;
}
.site-header.theme-light .nav-main > a:hover {
  color: var(--navy) !important;
}
/* CTA: sauge green pill with navy text in light mode (max contrast + brand) */
.site-header.theme-light a.nav-cta {
  background: #68A792 !important;
  color: #04172F !important;
  border-color: #68A792 !important;
  box-shadow: 0 4px 14px rgba(104, 167, 146, .35);
}
.site-header.theme-light a.nav-cta:hover {
  background: #4F8B77 !important;
  color: #04172F !important;
  box-shadow: 0 6px 18px rgba(104, 167, 146, .45);
}
.site-header.theme-light a.nav-cta::after {
  border-top-color: #04172F !important;
  border-right-color: #04172F !important;
}
/* Mobile hamburger bars in light mode */
.site-header.theme-light .menu-toggle span { background: var(--navy); }
.site-header .container {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 9px 9px 9px 9px;
  min-height: auto;
  position: relative;
  max-width: none;
  width: 100%;
}

/* logo white tile inside the dark capsule */
.site-header .logo {
  background: var(--white);
  padding: 7px 14px;
  border-radius: 999px;
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
}
.site-header .logo img { height: 34px; width: auto; display: block; }

/* nav links in white */
.site-header .nav-main {
  display: flex;
  align-items: center;
  gap: 1.6rem;
  margin: 0 auto;
}
.site-header .nav-main > a {
  color: rgba(255, 255, 255, .82);
  font-size: .9rem;
  font-weight: 600;
  letter-spacing: .01em;
  text-transform: none;
  padding: .4rem ;
}
.site-header .nav-main > a:hover { color: var(--white); }
.site-header .nav-main > a::after { background: var(--yellow); }

/* mobile hamburger — white bars on dark capsule */
.site-header .menu-toggle span { background: var(--white); }
.logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  white-space: nowrap;
  flex: 0 0 auto;
}
.logo img {
  height: 56px;
  width: auto;
  display: block;
}
/* Footer logo sits on a dark background — wrap in white card so the navy text and green icon stay readable */
.site-footer .logo {
  background: var(--white);
  padding: 10px 16px;
  border-radius: 10px;
  margin-bottom: .5rem;
}
.site-footer .logo img { height: 44px; }
.nav-main {
  display: flex;
  gap: 1.8rem;
  margin-left: auto;
  align-items: center;
}
.nav-main > a {
  font-size: .9rem;
  font-weight: 700;
  color: var(--ink);
  text-transform: uppercase;
  letter-spacing: .02em;
  position: relative;
  padding: .4rem 0;
}
.nav-main > a::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0; right: 0;
  height: 3px;
  background: var(--yellow);
  transform: scaleX(0);
  transition: transform .2s;
}
.nav-main > a:hover { color: var(--navy); }
.nav-main > a:hover::after { transform: scaleX(1); }

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: .65rem;
  padding: 1.05rem 2.1rem;
  background: var(--yellow);
  color: var(--navy-dark) !important;
  border-radius: var(--radius-pill);
  font-weight: 800;
  font-size: .92rem;
  text-transform: uppercase;
  letter-spacing: .05em;
  white-space: nowrap;
  line-height: 1;
  transition: background .15s, transform .15s, box-shadow .2s;
}
.nav-cta:hover {
  background: var(--yellow-dark);
  color: var(--navy-dark) !important;
  transform: translateY(-1px);
}
.nav-cta::after {
  content: "";
  width: 8px;
  height: 8px;
  border-top: 2.5px solid currentColor;
  border-right: 2.5px solid currentColor;
  transform: rotate(45deg);
  display: inline-block;
  margin-left: .15rem;
  flex: 0 0 auto;
}

.menu-toggle {
  display: none;
  margin-left: auto;
  padding: .5rem;
}
.menu-toggle span {
  display: block;
  width: 24px;
  height: 3px;
  background: var(--navy);
  margin: 5px 0;
  border-radius: 2px;
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .95rem 1.6rem;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: .92rem;
  text-transform: uppercase;
  letter-spacing: .03em;
  border: 2px solid transparent;
  transition: all .15s;
  text-align: center;
  cursor: pointer;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: var(--yellow);
  color: var(--navy-dark) !important;
  border-color: var(--yellow);
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover {
  background: var(--yellow-dark);
  border-color: var(--yellow-dark);
  color: var(--navy-dark) !important;
}
.btn-secondary {
  background: var(--navy);
  color: var(--white) !important;
  border-color: var(--navy);
}
.btn-secondary:hover {
  background: var(--navy-dark);
  border-color: var(--navy-dark);
  color: var(--white) !important;
}
.btn-ghost {
  background: transparent;
  color: var(--navy) !important;
  border-color: var(--navy);
}
.btn-ghost:hover {
  background: var(--navy);
  color: var(--white) !important;
}
.btn-lg { padding: 1.1rem 2rem; font-size: 1rem; }

/* ---------- carousel hero ---------- */
.hero-carousel {
  position: relative;
  background: var(--navy);
  color: var(--white);
  overflow: hidden;
  padding-top: 88px; /* clearance for the fixed floating capsule */
}
.hero-slides {
  position: relative;
  min-height: clamp(420px, 55vh, 580px);
}
.hero-slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  opacity: 0;
  transition: opacity .8s ease;
  pointer-events: none;
}
.hero-slide.is-active {
  opacity: 1;
  pointer-events: auto;
}
.hero-slide-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-slide-bg::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(110deg, rgba(7,39,80,.92) 0%, rgba(7,39,80,.75) 50%, rgba(27,77,168,.5) 100%);
  z-index: 1;
}
.hero-slide.slide-pac .hero-slide-bg {
  background:
    linear-gradient(110deg, rgba(7,39,80,.85) 0%, rgba(7,39,80,.55) 100%),
    url("../img/heat-pump-outdoor.jpg") center/cover no-repeat; }
.hero-slide.slide-pv .hero-slide-bg {
  background:
    linear-gradient(110deg, rgba(7,39,80,.85) 0%, rgba(7,39,80,.45) 100%),
    url("../img/solar-rooftop.jpg") center/cover no-repeat; }
.hero-slide.slide-iso .hero-slide-bg {
  background:
    linear-gradient(110deg, rgba(7,39,80,.80) 0%, rgba(7,39,80,.50) 100%),
    url("../img/cozy-living.jpg") center/cover no-repeat; }
.hero-slide.slide-ssc .hero-slide-bg {
  background:
    linear-gradient(110deg, rgba(7,39,80,.80) 0%, rgba(7,39,80,.50) 100%),
    url("../img/solar-maintenance.jpg") center/cover no-repeat; }
.hero-slide.slide-reno .hero-slide-bg {
  background:
    linear-gradient(110deg, rgba(7,39,80,.80) 0%, rgba(7,39,80,.45) 100%),
    url("../img/modern-house.jpg") center/cover no-repeat; }

.hero-slide .container {
  position: relative;
  z-index: 2;
  padding-top: 3rem;
  padding-bottom: 3rem;
}
.hero-flag {
  display: inline-block;
  background: var(--yellow);
  color: var(--navy-dark);
  padding: .4rem 1rem;
  border-radius: var(--radius-pill);
  font-weight: 800;
  font-size: .78rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  margin-bottom: 1.2rem;
}
.hero-slide h2 {
  color: var(--white);
  font-size: clamp(1.8rem, 4.5vw, 3.4rem);
  font-weight: 900;
  line-height: 1.05;
  max-width: 24ch;
  margin-bottom: 1rem;
  letter-spacing: -.005em;
}
.hero-slide h2 .yellow { color: var(--yellow); }
.hero-slide p.tagline {
  font-size: 1.15rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  max-width: 36ch;
  margin: 0 0 2rem;
  opacity: .9;
}

.hero-dots {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: .6rem;
  z-index: 3;
}
.hero-dots button {
  width: 36px;
  height: 4px;
  border-radius: 2px;
  background: rgba(255,255,255,.3);
  transition: background .2s;
}
.hero-dots button.is-active { background: var(--yellow); }

.hero-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,.15);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  z-index: 3;
  transition: background .2s;
}
.hero-nav:hover { background: rgba(255,255,255,.3); }
.hero-nav.prev { left: 16px; }
.hero-nav.next { right: 16px; }

/* ---------- offer rectangles (carrefour-style) ---------- */
.offers-strip {
  background: var(--cream);
}
.offer-rect-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}
.offer-rect {
  background: var(--white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: transform .2s, box-shadow .2s;
  position: relative;
}
.offer-rect:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.offer-rect-img {
  height: 180px;
  position: relative;
  display: flex;
  align-items: flex-end;
  padding: 1rem;
  color: var(--white);
}
.offer-rect-img::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7,39,80,.3) 0%, rgba(7,39,80,.85) 100%);
  z-index: 1;
}
.offer-rect-img > * { position: relative; z-index: 2; }
.offer-rect.solar .offer-rect-img { background: url("../img/solar-rooftop.jpg") center/cover no-repeat; }
.offer-rect.pac .offer-rect-img { background: url("../img/heat-pump-outdoor.jpg") center/cover no-repeat; }
.offer-rect.iso .offer-rect-img { background: url("../img/cozy-living.jpg") center/cover no-repeat; }
.offer-rect.reno .offer-rect-img { background: url("../img/modern-house.jpg") center/cover no-repeat; }
.offer-rect.ssc .offer-rect-img { background: url("../img/solar-maintenance.jpg") center/cover no-repeat; }
.offer-rect.ecs .offer-rect-img { background: url("../img/heat-pump-outdoor.jpg") center/cover no-repeat; }
.offer-rect.ite .offer-rect-img { background: url("../img/white-house.jpg") center/cover no-repeat; }
.offer-rect.pacair .offer-rect-img { background: url("../img/split-aircon.jpg") center/cover no-repeat; }

.offer-rect-img h3 {
  color: var(--white);
  font-size: 1.1rem;
  margin: 0;
  text-transform: uppercase;
  font-weight: 800;
  letter-spacing: .02em;
}
.offer-rect-body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}
.offer-rect-body p {
  color: var(--ink-soft);
  font-size: .9rem;
  margin: 0 0 1rem;
  flex-grow: 1;
}
.offer-rect-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: .65rem 1rem;
  background: var(--navy);
  color: var(--white) !important;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: .82rem;
  text-transform: uppercase;
  letter-spacing: .05em;
  transition: background .15s;
}
.offer-rect-cta:hover { background: var(--navy-dark); color: var(--white) !important; }

/* ---------- garanties block (4 cols) ---------- */
.guarantees {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}
.guarantee {
  text-align: center;
  padding: 1.5rem 1rem;
}
.guarantee .icon-wrap {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--sky);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  color: var(--navy);
  font-size: 2rem;
  font-weight: 800;
}
.guarantee h4 {
  color: var(--navy-dark);
  margin-bottom: .5rem;
}
.guarantee p {
  font-size: .9rem;
  color: var(--ink-soft);
  margin: 0;
  max-width: 24ch;
  margin: 0 auto;
}

/* ---------- process steps (horizontal numbered) ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
  position: relative;
}
.step {
  text-align: center;
  position: relative;
}
.step .num {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--yellow);
  color: var(--navy-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  font-weight: 900;
  font-family: var(--display);
  margin: 0 auto 1rem;
  box-shadow: 0 4px 12px rgba(104,167,146,.4);
}
.step h3 {
  font-size: 1.05rem;
  color: var(--navy-dark);
  margin-bottom: .5rem;
  text-transform: uppercase;
}
.step p {
  color: var(--ink-soft);
  margin: 0;
  font-size: .92rem;
  max-width: 30ch;
  margin: 0 auto;
}

/* ---------- certifications strip ---------- */
.certs {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2.5rem;
  flex-wrap: wrap;
  padding: 2rem 0;
}
.cert {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: var(--white);
  border: 3px solid var(--yellow);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-size: .68rem;
  font-weight: 700;
  color: var(--navy-dark);
  text-transform: uppercase;
  letter-spacing: .03em;
  line-height: 1.25;
  padding: 1rem .6rem;
  box-shadow: var(--shadow-sm);
}
.cert strong {
  display: block;
  font-size: 1.1rem;
  color: var(--navy);
  margin-bottom: .35rem;
  font-weight: 900;
  letter-spacing: .01em;
  line-height: 1.1;
}

/* ---------- price card (offer page) ---------- */
.price-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}
.price-card {
  background: var(--white);
  border-radius: var(--radius-md);
  border: 2px solid var(--line);
  padding: 1.5rem;
  position: relative;
  transition: border-color .2s, transform .2s;
  display: flex;
  flex-direction: column;
}
.price-card:hover {
  border-color: var(--yellow);
  transform: translateY(-2px);
}
.price-card.is-featured {
  border-color: var(--yellow);
  box-shadow: var(--shadow-md);
}
.price-card .tout-compris {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--yellow);
  color: var(--navy-dark);
  padding: .35rem 1rem;
  border-radius: var(--radius-pill);
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
  white-space: nowrap;
}
.price-card h3 {
  font-size: 1rem;
  color: var(--navy-dark);
  margin-bottom: .5rem;
  margin-top: .5rem;
}
.price-card .from {
  font-size: .8rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .08em;
}
.price-card .price {
  font-size: 2.4rem;
  font-weight: 900;
  color: var(--navy-dark);
  line-height: 1;
  margin: .25rem 0 .5rem;
  font-family: var(--display);
}
.price-card .price small {
  font-size: .9rem;
  color: var(--muted);
  font-weight: 600;
  display: block;
  margin-top: .25rem;
  text-transform: none;
  letter-spacing: 0;
}
.price-card ul {
  list-style: none;
  padding: 0;
  margin: 1.25rem 0;
}
.price-card li {
  padding: .55rem 0;
  border-bottom: 1px solid var(--line);
  font-size: .9rem;
  color: var(--ink-soft);
  display: flex;
  align-items: flex-start;
  gap: .55rem;
}
.price-card li::before {
  content: "";
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--green);
  color: var(--white);
  flex: 0 0 auto;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--white) 50%, var(--white) 60%, transparent 60%),
    linear-gradient(-45deg, transparent 35%, var(--white) 35%, var(--white) 45%, transparent 45%);
  margin-top: 2px;
}
.price-card li:last-of-type { border-bottom: 0; }
.price-card .btn { margin-top: auto; width: 100%; }

/* ---------- big offer banner (offer page hero) ---------- */
.offer-banner {
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 50%, var(--navy-light) 100%);
  color: var(--white);
  padding: clamp(130px, 12vw, 180px) 0 clamp(50px, 8vw, 100px);
  position: relative;
  overflow: hidden;
}
.offer-banner::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -10%;
  width: 60%;
  height: 200%;
  background: radial-gradient(circle, rgba(104,167,146,.18) 0%, transparent 60%);
  z-index: 0;
}
.offer-banner > .container { position: relative; z-index: 1; }
.offer-banner h1 {
  color: var(--white);
  font-size: clamp(1.8rem, 4vw, 3rem);
  max-width: 22ch;
  line-height: 1.05;
}
.offer-banner h1 .yellow { color: var(--yellow); }
.offer-banner .tagline {
  font-size: 1.1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  opacity: .9;
  margin-bottom: 2rem;
}
.offer-banner .from-pill {
  display: inline-block;
  background: var(--yellow);
  color: var(--navy-dark);
  padding: .5rem 1.2rem;
  border-radius: var(--radius-pill);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .1em;
  font-size: .85rem;
  margin-bottom: 1.5rem;
}

/* ---------- benefits grid ---------- */
.benefits {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
  text-align: center;
}
.benefit-item {
  padding: 1rem;
}
.benefit-item .check {
  width: 56px;
  height: 56px;
  margin: 0 auto 1rem;
  background: var(--yellow);
  color: var(--navy-dark);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 1.5rem;
}
.benefit-item h4 {
  color: var(--navy-dark);
  text-transform: uppercase;
  margin-bottom: .5rem;
}
.benefit-item p {
  font-size: .92rem;
  color: var(--ink-soft);
  margin: 0;
}

/* ---------- testimonial cards ---------- */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}
.testimonial {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
  border-top: 4px solid var(--yellow);
  display: flex;
  flex-direction: column;
}
.testimonial .stars {
  color: var(--yellow);
  font-size: 1.1rem;
  margin-bottom: .75rem;
  letter-spacing: .1em;
}
.testimonial blockquote {
  font-size: 1rem;
  color: var(--ink);
  margin: 0 0 1.2rem;
  font-weight: 500;
  flex-grow: 1;
}
.testimonial cite {
  font-style: normal;
  font-weight: 800;
  color: var(--navy-dark);
  font-size: .9rem;
  display: block;
  text-transform: uppercase;
  letter-spacing: .03em;
}
.testimonial cite span {
  display: block;
  font-weight: 500;
  font-size: .82rem;
  color: var(--muted);
  margin-top: .25rem;
  text-transform: none;
  letter-spacing: 0;
}

/* ---------- FAQ ---------- */
.faq-list {
  max-width: 820px;
  margin: 0 auto;
}
.faq-item {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  margin-bottom: .75rem;
  overflow: hidden;
}
.faq-item summary {
  cursor: pointer;
  padding: 1.1rem 1.4rem;
  font-weight: 700;
  font-size: 1rem;
  color: var(--navy-dark);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  text-transform: uppercase;
  letter-spacing: .01em;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  font-size: 1.5rem;
  color: var(--navy);
  transition: transform .2s;
  font-weight: 400;
  flex: 0 0 auto;
}
.faq-item[open] summary { background: var(--sky); border-bottom: 1px solid var(--line); }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p {
  padding: 1.1rem 1.4rem;
  margin: 0;
  color: var(--ink-soft);
  font-size: .95rem;
}

/* ---------- contact form ---------- */
.form-shell {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: clamp(1.5rem, 3vw, 2.5rem);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--line);
}
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.field { display: flex; flex-direction: column; gap: .35rem; }
.field-full { grid-column: 1 / -1; }
label {
  font-size: .8rem;
  font-weight: 700;
  color: var(--navy-dark);
  letter-spacing: .03em;
  text-transform: uppercase;
}
input, select, textarea {
  font: inherit;
  border: 1.5px solid var(--line);
  border-radius: var(--radius-sm);
  padding: .75rem .9rem;
  background: var(--white);
  color: var(--ink);
  transition: border-color .15s, box-shadow .15s;
}
input:focus, select:focus, textarea:focus {
  outline: 0;
  border-color: var(--navy-light);
  box-shadow: 0 0 0 3px rgba(27,77,168,.12);
}
textarea { min-height: 120px; resize: vertical; }
.checkbox {
  display: flex;
  align-items: flex-start;
  gap: .65rem;
  font-size: .85rem;
  color: var(--ink-soft);
  cursor: pointer;
  text-transform: none;
  font-weight: 400;
  letter-spacing: 0;
}
.checkbox input { margin-top: .2rem; accent-color: var(--navy); width: auto; }

/* ---------- footer ---------- */
.site-footer {
  background: var(--navy-dark);
  color: rgba(255,255,255,.85);
  padding: 4rem 0 1.5rem;
  font-size: .9rem;
}
.site-footer .grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 2.5rem;
}
.site-footer h4 {
  color: var(--yellow);
  font-size: .85rem;
  margin-bottom: 1.2rem;
  letter-spacing: .12em;
}
.site-footer a {
  color: rgba(255,255,255,.8);
  display: block;
  margin-bottom: .55rem;
  font-size: .9rem;
}
.site-footer a:hover { color: var(--yellow); }
.site-footer .logo { color: var(--white); }
.site-footer .baseline {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,.12);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: .8rem;
  color: rgba(255,255,255,.55);
}
.site-footer .slogan {
  font-style: italic;
  color: var(--yellow);
  font-weight: 600;
  margin-top: 1rem;
  font-size: 1rem;
}

/* ---------- page hero (inner pages) ---------- */
.page-hero {
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 100%);
  color: var(--white);
  padding: clamp(120px, 10vw, 150px) 0 clamp(40px, 5vw, 70px);
}
.page-hero h1 { color: var(--white); }
.page-hero p.lead { color: rgba(255,255,255,.85); max-width: 60ch; }
.page-hero .eyebrow { color: var(--yellow); }
.breadcrumb {
  font-size: .82rem;
  color: rgba(255,255,255,.6);
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: .05em;
}
.breadcrumb a { color: rgba(255,255,255,.85); }
.breadcrumb a:hover { color: var(--yellow); }

/* ---------- two-column ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 4vw, 4rem);
  align-items: center;
}
.split-asym {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: clamp(2rem, 4vw, 4rem);
  align-items: start;
}
.illust-box, .illust-img {
  border-radius: var(--radius-md);
  aspect-ratio: 4 / 3;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  display: block;
  width: 100%;
  object-fit: cover;
}
.illust-box {
  background:
    linear-gradient(135deg, rgba(7,39,80,.55), rgba(7,39,80,.25)),
    var(--navy);
  position: relative;
}

/* per-page image backgrounds on offer-banner */
.offer-banner.bg-solar { background-image:
  linear-gradient(110deg, rgba(7,39,80,.88) 0%, rgba(7,39,80,.50) 100%),
  url("../img/solar-rooftop.jpg"); background-size: cover; background-position: center; }
.offer-banner.bg-pac { background-image:
  linear-gradient(110deg, rgba(7,39,80,.88) 0%, rgba(7,39,80,.55) 100%),
  url("../img/heat-pump-outdoor.jpg"); background-size: cover; background-position: center; }
.offer-banner.bg-pacair { background-image:
  linear-gradient(110deg, rgba(7,39,80,.88) 0%, rgba(7,39,80,.55) 100%),
  url("../img/split-aircon.jpg"); background-size: cover; background-position: center; }
.offer-banner.bg-ssc { background-image:
  linear-gradient(110deg, rgba(7,39,80,.85) 0%, rgba(7,39,80,.55) 100%),
  url("../img/solar-maintenance.jpg"); background-size: cover; background-position: center; }
.offer-banner.bg-ecs { background-image:
  linear-gradient(110deg, rgba(7,39,80,.88) 0%, rgba(7,39,80,.60) 100%),
  url("../img/heat-pump-outdoor.jpg"); background-size: cover; background-position: center; }
.offer-banner.bg-iso { background-image:
  linear-gradient(110deg, rgba(7,39,80,.85) 0%, rgba(7,39,80,.55) 100%),
  url("../img/warm-living.jpg"); background-size: cover; background-position: center; }
.offer-banner.bg-ite { background-image:
  linear-gradient(110deg, rgba(7,39,80,.88) 0%, rgba(7,39,80,.55) 100%),
  url("../img/white-house.jpg"); background-size: cover; background-position: center; }
.offer-banner.bg-reno { background-image:
  linear-gradient(110deg, rgba(7,39,80,.85) 0%, rgba(7,39,80,.45) 100%),
  url("../img/modern-house.jpg"); background-size: cover; background-position: center; }

.article-thumb.thumb-blueprint { background-image:
  linear-gradient(180deg, rgba(7,39,80,.0), rgba(7,39,80,.4)),
  url("../img/blueprint.jpg"); background-size: cover; background-position: center; }
.article-thumb.thumb-living { background-image:
  linear-gradient(180deg, rgba(7,39,80,.0), rgba(7,39,80,.4)),
  url("../img/fireplace-living.jpg"); background-size: cover; background-position: center; }
.article-thumb.thumb-solar { background-image:
  linear-gradient(180deg, rgba(7,39,80,.0), rgba(7,39,80,.4)),
  url("../img/solar-installer.jpg"); background-size: cover; background-position: center; }
.article-thumb.thumb-house { background-image:
  linear-gradient(180deg, rgba(7,39,80,.0), rgba(7,39,80,.4)),
  url("../img/modern-house.jpg"); background-size: cover; background-position: center; }
.article-thumb.thumb-pac { background-image:
  linear-gradient(180deg, rgba(7,39,80,.0), rgba(7,39,80,.4)),
  url("../img/heat-pump-outdoor.jpg"); background-size: cover; background-position: center; }
.article-thumb.thumb-interior { background-image:
  linear-gradient(180deg, rgba(7,39,80,.0), rgba(7,39,80,.4)),
  url("../img/modern-interior.jpg"); background-size: cover; background-position: center; }

/* ---------- callout / CTA ---------- */
.cta-banner {
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 100%);
  color: var(--white);
  border-radius: var(--radius-md);
  padding: clamp(2rem, 4vw, 3rem);
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 2rem;
  align-items: center;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: "";
  position: absolute;
  top: -30%;
  right: -10%;
  width: 50%;
  height: 160%;
  background: radial-gradient(circle, rgba(104,167,146,.18) 0%, transparent 60%);
}
.cta-banner > * { position: relative; }
.cta-banner h2 { color: var(--white); }
.cta-banner p { color: rgba(255,255,255,.85); margin: 0; max-width: 50ch; }
.cta-banner-actions { display: flex; gap: 1rem; flex-wrap: wrap; justify-content: flex-end; }

/* ---------- big phone block ---------- */
.contact-info {
  background: var(--navy);
  color: var(--white);
  border-radius: var(--radius-md);
  padding: 2rem;
  border-top: 6px solid var(--yellow);
}
.contact-info h2 { color: var(--white); }
.contact-info .tel {
  font-size: 2.4rem;
  color: var(--yellow);
  margin: .5rem 0 .25rem;
  font-weight: 900;
  letter-spacing: -.01em;
}
.contact-info small { opacity: .8; }
.contact-info ul { list-style: none; padding: 0; margin: 1.5rem 0 0; }
.contact-info li {
  padding: .4rem 0;
  font-size: .9rem;
  border-bottom: 1px solid rgba(255,255,255,.15);
}
.contact-info li:last-child { border-bottom: 0; }
.contact-info li strong { color: var(--yellow); font-weight: 700; margin-right: .5rem; }

/* ---------- simulator ---------- */
.simulator {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: clamp(1.5rem, 3vw, 2.5rem);
  box-shadow: var(--shadow-md);
  max-width: 760px;
  margin: 0 auto;
  border: 1px solid var(--line);
}
.sim-steps {
  display: flex;
  justify-content: space-between;
  margin-bottom: 2.5rem;
  position: relative;
}
.sim-steps::before {
  content: "";
  position: absolute;
  top: 17px;
  left: 5%;
  right: 5%;
  height: 2px;
  background: var(--line);
  z-index: 0;
}
.sim-step {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .5rem;
  flex: 1;
}
.sim-step .dot {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--white);
  border: 2px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: .9rem;
  color: var(--muted);
}
.sim-step.is-active .dot {
  background: var(--yellow);
  color: var(--navy-dark);
  border-color: var(--yellow);
}
.sim-step.is-done .dot {
  background: var(--navy);
  color: var(--white);
  border-color: var(--navy);
}
.sim-step span {
  font-size: .75rem;
  color: var(--muted);
  text-align: center;
  text-transform: uppercase;
  letter-spacing: .05em;
}
.sim-step.is-active span { color: var(--navy-dark); font-weight: 700; }
.sim-panel { display: none; animation: fade .25s; }
.sim-panel.is-active { display: block; }
@keyframes fade { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
.sim-choices {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
}
.sim-choice {
  border: 2px solid var(--line);
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  text-align: center;
  cursor: pointer;
  transition: all .15s;
}
.sim-choice:hover { border-color: var(--navy-light); }
.sim-choice.is-selected {
  border-color: var(--yellow);
  background: var(--yellow-soft);
}
.sim-choice strong { display: block; font-weight: 800; color: var(--navy-dark); text-transform: uppercase; font-size: .9rem; }
.sim-choice span { font-size: .8rem; color: var(--muted); margin-top: .25rem; display: block; }
.sim-nav {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1.5rem;
  flex-wrap: wrap;
}

/* ---------- article list ---------- */
.article-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}
.article-card {
  background: var(--white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  transition: transform .2s, box-shadow .2s;
}
.article-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.article-thumb {
  aspect-ratio: 16 / 10;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  position: relative;
}
.article-thumb::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 40%, rgba(104,167,146,.25) 0%, transparent 60%);
}
.article-body {
  padding: 1.25rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}
.article-body .meta {
  font-size: .72rem;
  color: var(--navy-light);
  letter-spacing: .12em;
  text-transform: uppercase;
  margin-bottom: .6rem;
  font-weight: 700;
}
.article-body h3 {
  font-size: 1rem;
  margin-bottom: .6rem;
  flex-grow: 1;
  color: var(--navy-dark);
}
.article-body a.read-more {
  font-size: .82rem;
  font-weight: 700;
  color: var(--navy);
  text-transform: uppercase;
  letter-spacing: .05em;
}
.article-body a.read-more::after { content: " →"; }

/* ---------- trust strip ---------- */
.trust {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}
.trust-item {
  background: var(--white);
  padding: 1.5rem;
  border-radius: var(--radius-md);
  border-left: 4px solid var(--yellow);
  box-shadow: var(--shadow-sm);
}
.trust-item h4 { color: var(--navy-dark); margin-bottom: .4rem; text-transform: uppercase; }
.trust-item p { color: var(--ink-soft); margin: 0; font-size: .92rem; }

/* ---------- legal page ---------- */
.legal-content { max-width: 820px; margin: 0 auto; }
.legal-content h2 { margin-top: 2.5rem; font-size: 1.3rem; }
.legal-content h3 { font-size: 1.05rem; margin-top: 1.6rem; }
.legal-content p, .legal-content li { font-size: .95rem; color: var(--ink-soft); }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .site-header .nav-main { display: none; }
  .site-header .nav-main.is-open {
    display: flex;
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    background: rgba(7, 39, 80, .92);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
            backdrop-filter: blur(24px) saturate(180%);
    flex-direction: column;
    padding: 1.25rem 1.5rem;
    border-radius: 22px;
    align-items: flex-start;
    gap: 1rem;
    box-shadow: 0 16px 40px rgba(0, 0, 0, .25);
    border: 1px solid rgba(255, 255, 255, .08);
  }
  .site-header .nav-main > a { color: rgba(255,255,255,.85); }
  .site-header .nav-main .nav-cta { margin-left: 0; }
  .menu-toggle { display: block; }

  .split, .split-asym { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .site-footer .grid { grid-template-columns: 1fr 1fr; }
  .cta-banner { grid-template-columns: 1fr; text-align: center; }
  .cta-banner-actions { justify-content: center; }
  .hero-nav { display: none; }
}
@media (max-width: 540px) {
  .site-footer .grid { grid-template-columns: 1fr; }
}