/* ═══════════════════════════════════════
   DESIGN TOKENS
═══════════════════════════════════════ */
:root {
  --cream:        #F0E6D0;
  --cream-dark:   #E6D8BC;
  --white:        #FFFFFF;
  --dark:         #1A1410;
  --dark-surface: #221810;
  --text:         #1D1812;
  --muted:        #5C5046;
  --brand:        #B5451B;
  --brand-dark:   #8A3415;
  --brand-light:  rgba(181, 69, 27, 0.10);
  --gold:         #D4A847;
  --gold-light:   rgba(212, 168, 71, 0.14);
  --teal:         #00C9A7;
  --teal-light:   rgba(0, 201, 167, 0.12);
  --border:       rgba(181, 69, 27, 0.12);
  --border-warm:  rgba(216, 195, 166, 0.9);
  --shadow-sm:    0 4px 16px rgba(27, 23, 18, 0.06);
  --shadow-md:    0 12px 40px rgba(27, 23, 18, 0.08);
  --shadow-lg:    0 24px 64px rgba(27, 23, 18, 0.11);
  --radius-sm:    14px;
  --radius-md:    22px;
  --radius-lg:    28px;
  --radius-xl:    38px;
  --max-w:        1200px;
  --font-serif:   Georgia, Cambria, "Times New Roman", serif;
  --font-sans:    "Trebuchet MS", "Century Gothic", system-ui, -apple-system,
                  BlinkMacSystemFont, "Segoe UI", sans-serif;
}

/* ═══════════════════════════════════════
   RESET & BASE
═══════════════════════════════════════ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.75;
  color: var(--text);
  background: var(--cream);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button, input, textarea, select { font: inherit; }

*:focus-visible {
  outline: 3px solid rgba(0, 201, 167, 0.5);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ═══════════════════════════════════════
   TYPOGRAPHY
═══════════════════════════════════════ */
h1, h2, h3 {
  font-family: var(--font-serif);
  color: var(--text);
  letter-spacing: -0.03em;
  line-height: 1.06;
}

h1 { font-size: clamp(3.6rem, 6.5vw, 5.8rem); }
h2 { font-size: clamp(2rem, 4vw, 3.2rem); line-height: 1.1; }
h3 { font-size: 1.15rem; line-height: 1.35; letter-spacing: -0.02em; }

p { color: var(--muted); line-height: 1.72; }

em { font-style: italic; }

/* ═══════════════════════════════════════
   UTILITIES
═══════════════════════════════════════ */
.container {
  width: min(var(--max-w), calc(100% - 2rem));
  margin: 0 auto;
}

.section          { padding: 5.5rem 0; }
.section--cream   { background: var(--cream); }
.section--white   { background: var(--white); }
.section--dark    { background: var(--dark-surface); }

/* By the Numbers stat strip */
.section--dark-alt { background: var(--dark); }
.section-stats { padding: 3.5rem 0; }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.stat-item {
  padding: 2rem 2rem;
  border-left: 1px solid rgba(255,255,255,0.07);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.stat-item:first-child { border-left: none; }
.stat-item strong {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 400;
  color: var(--gold);
  line-height: 1;
}
.stat-item span {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.52);
  line-height: 1.55;
}
@media (max-width: 860px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item:nth-child(3) { border-left: none; }
}
@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
  .stat-item { border-left: none; border-top: 1px solid rgba(255,255,255,0.07); }
  .stat-item:first-child { border-top: none; }
}

.section-head {
  max-width: 700px;
  margin-bottom: 3rem;
}

.section-head.text-center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-head h2   { margin: 0.35rem 0 0.7rem; }
.section-head > p  { font-size: 1.05rem; max-width: 600px; }
.section-head.text-center > p { margin: 0 auto; }

.text--light      { color: #fff; }
.text--muted-light { color: rgba(255,255,255,0.62); }

/* ═══════════════════════════════════════
   EYEBROW
═══════════════════════════════════════ */
.eyebrow,
.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--brand);
}

.eyebrow--light,
.section-eyebrow--light { color: rgba(212, 168, 71, 0.92); }


.eyebrow-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  flex-shrink: 0;
}

/* ═══════════════════════════════════════
   BUTTONS
═══════════════════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border: none;
  border-radius: 999px;
  font-family: var(--font-sans);
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  white-space: nowrap;
}

.btn:hover  { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-lg { padding: 1.05rem 2rem;   font-size: 1rem;  }
.btn-sm { padding: 0.65rem 1.25rem; font-size: 0.88rem; }

.btn-primary {
  background: linear-gradient(135deg, var(--teal) 0%, #009E85 100%);
  color: #fff;
  box-shadow: 0 14px 36px rgba(0, 201, 167, 0.28);
}
.btn-primary:hover { box-shadow: 0 18px 44px rgba(0, 201, 167, 0.38); }

.btn-tier-e {
  background: transparent;
  color: #DC2626;
  border: 1.5px solid #DC2626;
  box-shadow: none;
}
.btn-tier-e:hover { background: rgba(220, 38, 38, 0.07); box-shadow: none; }

.btn-tier-m {
  background: transparent;
  color: var(--teal);
  border: 1.5px solid var(--teal);
  box-shadow: none;
}
.btn-tier-m:hover { background: rgba(0, 201, 167, 0.07); box-shadow: none; }

.btn-tier-p {
  background: transparent;
  color: var(--gold);
  border: 1.5px solid var(--gold);
  box-shadow: none;
}
.btn-tier-p:hover { background: rgba(212, 168, 71, 0.07); box-shadow: none; }

.btn-ghost {
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
  border: 1.5px solid rgba(255, 255, 255, 0.30);
  backdrop-filter: blur(10px);
}
.btn-ghost:hover { background: rgba(255, 255, 255, 0.22); }

.hero-text-link {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: rgba(255,255,255,0.78);
  font-family: var(--font-sans);
  font-size: 0.96rem;
  font-weight: 600;
  text-decoration: none;
  transition: color 0.2s ease;
}
.hero-text-link:hover { color: var(--gold); }
.hero-text-link svg { transition: transform 0.2s ease; flex-shrink: 0; }
.hero-text-link:hover svg { transform: translateX(5px); }

.hero-location {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 1rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: rgba(255,255,255,0.52);
  letter-spacing: 0.03em;
}

.btn-nav {
  background: linear-gradient(135deg, var(--teal) 0%, #009E85 100%);
  color: #fff;
  box-shadow: 0 6px 20px rgba(0, 201, 167, 0.22);
}

/* ═══════════════════════════════════════
   REVEAL ANIMATIONS
═══════════════════════════════════════ */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.is-visible  { opacity: 1; transform: translateY(0); }
.reveal--delay      { transition-delay: 0.12s; }
.reveal--delay-2    { transition-delay: 0.22s; }

/* ═══════════════════════════════════════
   HEADER
═══════════════════════════════════════ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  transition: background 0.35s ease, box-shadow 0.35s ease;
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 rgba(181, 69, 27, 0.08), 0 4px 20px rgba(27, 23, 18, 0.06);
}

.header-row {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  height: 84px;
}

.header-phone {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: rgba(255,255,255,0.85);
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s ease;
}
.header-phone:hover { color: var(--teal); }
.site-header.scrolled .header-phone { color: var(--text); }
.site-header.scrolled .header-phone:hover { color: var(--teal); }

.brand-logo {
  height: 56px;
  width: auto;
  transition: filter 0.35s ease;
}

/* White logo on transparent header over hero video */
.site-header:not(.scrolled) .brand-logo {
  filter: brightness(0) invert(1);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  margin-left: auto;
}

.main-nav a:not(.btn) {
  font-size: 0.91rem;
  font-weight: 600;
  color: var(--muted);
  position: relative;
  transition: color 0.2s ease;
}

.site-header:not(.scrolled) .main-nav a:not(.btn) {
  color: rgba(255, 255, 255, 0.80);
}

.main-nav a:not(.btn)::after {
  content: "";
  position: absolute;
  bottom: -3px; left: 0;
  width: 0; height: 2px;
  background: var(--brand);
  border-radius: 1px;
  transition: width 0.2s ease;
}

.main-nav a:not(.btn):hover      { color: var(--brand-dark); }
.main-nav a:not(.btn):hover::after { width: 100%; }

.site-header:not(.scrolled) .main-nav a:not(.btn):hover {
  color: var(--gold);
}

.header-end {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-shrink: 0;
}

.lang-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--font-sans);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  background: none;
  border: 1.5px solid rgba(255,255,255,0.30);
  border-radius: 4px;
  padding: 0.28rem 0.65rem;
  cursor: pointer;
  color: rgba(255,255,255,0.85);
  transition: border-color 0.2s, color 0.2s, background 0.2s;
  white-space: nowrap;
}

.lang-toggle:hover {
  border-color: rgba(255,255,255,0.75);
  color: #fff;
}

.site-header.scrolled .lang-toggle {
  color: var(--muted);
  border-color: var(--border-warm);
}

.site-header.scrolled .lang-toggle:hover {
  color: var(--brand);
  border-color: var(--brand);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  background: rgba(255,255,255,0.12);
  border: 1.5px solid rgba(255,255,255,0.28);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.35s ease;
}

.site-header.scrolled .nav-toggle {
  background: var(--white);
  border-color: var(--border-warm);
}

.nav-toggle span {
  width: 20px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease, background 0.35s ease;
}

.site-header.scrolled .nav-toggle span { background: var(--text); }

.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ═══════════════════════════════════════
   HERO
═══════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  padding-bottom: 3.5rem;
  overflow: hidden;
}

.hero-media {
  position: absolute;
  inset: 0;
}

.hero-vid {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 1.4s ease;
}

.hero-vid.is-active {
  opacity: 1;
}

.hero-scrim {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(26,20,16,0.78) 0%, rgba(26,20,16,0.0) 28%),
    linear-gradient(160deg, rgba(26,20,16,0.68) 0%, rgba(26,20,16,0.40) 100%);
}

.hero-inner {
  position: relative;
  z-index: 2;
  padding-top: 5.5rem;
  padding-left: 2.5rem;
  padding-right: 2.5rem;
  display: grid;
  gap: 2rem;
  width: 100%;
}

.hero-copy { max-width: 740px; }

.hero-copy h1 {
  color: #fff;
  margin: 0.9rem 0 1.4rem;
  text-shadow: 0 2px 24px rgba(26,20,16,0.28);
}

.hero-copy h1 em { color: var(--gold); }

.hero-copy > p {
  color: rgba(255, 255, 255, 0.80);
  font-size: 1.1rem;
  max-width: 560px;
  line-height: 1.72;
}

.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
  margin-top: 1.5rem;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.hero-badge {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 0.7rem 1.1rem;
  background: rgba(255, 255, 255, 0.10);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-md);
  backdrop-filter: blur(12px);
  min-width: 100px;
}

.hero-badge strong {
  font-family: var(--font-serif);
  font-size: 1.55rem;
  font-weight: 400;
  color: var(--gold);
  line-height: 1;
}

.hero-badge span {
  font-size: 0.76rem;
  color: rgba(255, 255, 255, 0.68);
  line-height: 1.3;
}

/* ═══════════════════════════════════════
   TRUST BAR
═══════════════════════════════════════ */
.trust-bar {
  background: var(--white);
  border-bottom: 1px solid var(--border-warm);
  padding: 0.8rem 0;
}

.trust-row {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: nowrap;
  gap: 0.75rem 2rem;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--muted);
}

.trust-item svg { color: var(--brand); flex-shrink: 0; }

.trust-divider {
  width: 1px;
  height: 18px;
  background: var(--border-warm);
  flex-shrink: 0;
}

/* ═══════════════════════════════════════
   WHY HELIOFLO — LAYOUT
═══════════════════════════════════════ */
#why { padding: 4rem 0; }

.why-layout {
  display: grid;
  grid-template-columns: 1fr 27%;
  gap: 3rem;
  align-items: start;
}

.why-video-embed {
  order: 2;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--dark-surface);
  aspect-ratio: 3 / 4;
}

.why-video-embed video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: brightness(0.72);
}

/* Panel is transparent inside why-layout — items sit on cream */
.why-layout .why-panel {
  background: transparent;
  border: none;
  border-radius: 0;
  overflow: visible;
}

/* ═══════════════════════════════════════
   WHY HELIOFLO — PANEL (standalone, product pages)
═══════════════════════════════════════ */
.why-panel {
  background: var(--dark-surface);
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.06);
}

.why-panel-header {
  display: flex;
  align-items: center;
  padding: 0 0 0.85rem;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  background: transparent;
}

.why-layout .why-panel-header {
  border-bottom-color: var(--border-warm);
  margin-bottom: 0;
}

.why-panel-label {
  font-family: var(--font-sans);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  margin: 0;
}

.why-layout .why-panel-label { color: var(--muted); }

.why-items {
  display: grid;
  grid-template-columns: 1fr;
}

/* 2-col grid inside the why-layout */
.why-layout .why-items {
  grid-template-columns: 1fr 1fr;
}

.why-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem 2rem;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.why-item:last-child { border-bottom: none; }
.why-item:nth-last-child(2) { border-bottom: none; }

/* why-layout: cream-bg item styling */
.why-layout .why-item {
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--border-warm);
}

.why-layout .why-item:nth-child(odd) {
  padding-right: 1.5rem;
  border-right: 1px solid var(--border-warm);
}

.why-layout .why-item:nth-child(even) {
  padding-left: 1.5rem;
}

/* Restore border-bottom for items above the spanning last row */
.why-layout .why-item:nth-last-child(2) {
  border-bottom: 1px solid var(--border-warm);
}

/* Spanning last item (odd count) */
.why-layout .why-item:last-child:nth-child(odd) {
  grid-column: 1 / -1;
  border-right: none;
  padding-right: 0;
}

.why-layout .why-item:last-child { border-bottom: none; }

.why-check {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(0, 201, 167, 0.1);
  border: 1px solid rgba(0, 201, 167, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 0.12rem;
}

.why-item-body { display: grid; gap: 0.2rem; }

.why-item-title {
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 700;
  color: rgba(255,255,255,0.9);
  display: block;
  letter-spacing: -0.01em;
}

.why-layout .why-item-title { color: var(--text); }

.why-item-body p {
  font-size: 0.83rem;
  color: rgba(255,255,255,0.45);
  line-height: 1.55;
  margin: 0;
}

.why-layout .why-item-body p { color: var(--muted); }

.why-panel-cta {
  padding: 1.5rem 0 0;
  border-top: none;
  background: transparent;
}

.why-panel-cta .btn { width: auto; }

/* ═══════════════════════════════════════
   PRODUCTS / SERVICES
═══════════════════════════════════════ */
.products-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  align-items: start;
}

.product-card {
  border: 1px solid var(--border-warm);
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: grid;
  gap: 1rem;
  align-content: start;
}

.product-card--teal {
  border-top: 3px solid var(--teal);
}

.product-card--gold {
  border-top: 3px solid var(--gold);
}

.product-category {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--brand);
}

.product-card--teal .product-category { color: var(--teal); }

.product-header h3 { font-size: 1.3rem; margin-bottom: 0.3rem; }

.product-code {
  font-size: 0.76rem;
  color: var(--muted);
  letter-spacing: 0.04em;
  opacity: 0.7;
}

.product-desc {
  font-size: 0.93rem;
  line-height: 1.72;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border-warm);
}

.product-specs { display: grid; border-top: 1px solid var(--border-warm); }

.spec-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding: 0.45rem 0;
  border-bottom: 1px solid var(--border-warm);
  font-size: 0.86rem;
}

.spec-row dt { color: var(--muted); font-weight: 400; }
.spec-row dd { color: var(--text);  font-weight: 600; text-align: right; }
.spec-row--key dd { color: var(--teal); }

.product-docs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--border-warm);
}

.doc-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--brand);
  text-decoration: none;
  border: 1px solid var(--brand);
  border-radius: 4px;
  padding: 0.3rem 0.65rem;
  transition: background 0.18s, color 0.18s;
}

.doc-link:hover {
  background: var(--brand);
  color: #fff;
}

.doc-link svg { flex-shrink: 0; }

@media (max-width: 720px) {
  .products-grid { grid-template-columns: 1fr; }
}

/* ═══════════════════════════════════════
   VIDEO FEATURE (split)
═══════════════════════════════════════ */
.section-video-feature {
  padding: 5rem 0;
  background: var(--cream);
}

.video-feature-inner {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 3.5rem;
  align-items: center;
}

.video-feature-media {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  box-shadow: var(--shadow-lg);
}

.video-feature-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.video-feature-copy { display: grid; gap: 1rem; }
.video-feature-copy h2 { margin: 0.3rem 0 0.5rem; line-height: 1.18; }
.video-feature-copy > p { font-size: 1.02rem; line-height: 1.72; color: var(--muted); }

.feature-stats {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 1rem 0;
  border-top: 1px solid var(--border-warm);
  border-bottom: 1px solid var(--border-warm);
}

.feature-stat {
  display: flex;
  flex-direction: column;
  gap: 0.18rem;
}

.feature-stat strong {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 400;
  color: var(--brand);
  line-height: 1.1;
}

.feature-stat span {
  font-size: 0.74rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.09em;
}

.feature-stat-divider {
  width: 1px;
  height: 34px;
  background: var(--border-warm);
  flex-shrink: 0;
}

/* ═══════════════════════════════════════
   PROCESS (horizontal flowchart)
═══════════════════════════════════════ */
.process-flow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  position: relative;
  margin-top: 2rem;
  text-align: center;
}

/* connecting track behind the nodes */
.process-flow::before {
  content: '';
  position: absolute;
  top: 27px;
  left: calc(100% / 8);
  right: calc(100% / 8);
  height: 2px;
  background: linear-gradient(90deg, var(--brand) 0%, var(--gold) 50%, var(--teal) 100%);
  opacity: 0.18;
  z-index: 0;
}

.flow-step {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.flow-node {
  position: relative;
  z-index: 1;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--brand);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  flex-shrink: 0;
  box-shadow: 0 0 0 8px rgba(181, 69, 27, 0.07), var(--shadow-md);
}

.flow-num {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 400;
  color: rgba(255,255,255,0.92);
  line-height: 1;
}

.flow-step h3 {
  font-size: 1rem;
  margin-bottom: 0.45rem;
}

.flow-step p {
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--muted);
  max-width: 210px;
  margin: 0 auto;
}

/* ═══════════════════════════════════════
   FOOTER ACCREDITATIONS (inline in brand col)
═══════════════════════════════════════ */

/* ═══════════════════════════════════════
   FAQ
═══════════════════════════════════════ */
.faq-inner {
  display: grid;
  grid-template-columns: 1fr 1.8fr;
  gap: 3.5rem;
  align-items: start;
}

.text-link {
  color: var(--brand);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.faq-list { display: grid; gap: 0; }

.faq-item {
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border-warm);
  border-radius: 0;
  overflow: hidden;
  transition: none;
}

.faq-item:first-child { border-top: 1px solid var(--border-warm); }

.faq-item.is-open { }

.faq-summary {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.1rem 0;
  background: transparent;
  border: none;
  cursor: pointer;
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 1.05rem;
  color: var(--text);
  text-align: left;
  letter-spacing: -0.02em;
  transition: color 0.2s ease;
}

.faq-summary:hover { color: var(--brand); }
.faq-item.is-open .faq-summary { color: var(--teal); }

.faq-icon {
  font-size: 1.3rem;
  font-weight: 300;
  color: var(--brand);
  flex-shrink: 0;
  line-height: 1;
  transition: transform 0.3s ease;
}

.faq-item.is-open .faq-icon { transform: rotate(45deg); }

.faq-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.38s cubic-bezier(0.4, 0, 0.2, 1),
              padding 0.38s ease;
}

.faq-item.is-open .faq-body { max-height: 400px; }

.faq-body p {
  padding: 0 0 1.25rem;
  font-size: 0.95rem;
  line-height: 1.72;
  max-width: 620px;
}

/* ═══════════════════════════════════════
   CHEAPER HOME BATTERIES PROGRAM
═══════════════════════════════════════ */
.program-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.program-copy h2  { margin: 0.55rem 0 1rem; }
.program-copy > p { font-size: 1.02rem; margin-bottom: 1.25rem; }

.program-cta { align-self: flex-start; }

.rebate-chart {
  margin: 1.5rem 0 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.rebate-chart-caption {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--muted);
  margin-bottom: 0.15rem;
}

.rebate-bar { display: flex; flex-direction: column; gap: 0.4rem; }

.rebate-bar-meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.rebate-bar-range {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text);
}

.rebate-bar-value {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--text);
}

.rebate-unit {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--muted);
  margin-left: 0.05em;
}

.rebate-bar-track {
  height: 9px;
  background: var(--border-warm);
  border-radius: 99px;
  overflow: hidden;
}

.rebate-bar-fill {
  height: 100%;
  border-radius: 99px;
}

.rebate-bar-fill--teal  { background: var(--teal);  width: 100%; }
.rebate-bar-fill--gold  { background: var(--gold);  width: 60%; }
.rebate-bar-fill--brand { background: var(--brand); width: 15%; }

.rebate-footnote {
  font-size: 0.73rem;
  color: var(--muted);
  line-height: 1.55;
  margin-top: 0.25rem;
}

.program-benefits {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--border-warm);
}

.program-benefit {
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 1rem;
  align-items: start;
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--border-warm);
}

.program-benefit-num {
  font-family: var(--font-serif);
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--brand);
  opacity: 0.6;
  padding-top: 0.2rem;
  letter-spacing: 0.04em;
}

.program-benefit h3 { font-size: 1rem; margin-bottom: 0.3rem; }
.program-benefit p  { font-size: 0.9rem; line-height: 1.65; }

@media (max-width: 860px) {
  .program-layout { grid-template-columns: 1fr; gap: 3rem; }
}

/* ═══════════════════════════════════════
   CTA STRIP (portrait video, full-bleed)
═══════════════════════════════════════ */
.section-cta-strip {
  position: relative;
  height: 52vh;
  min-height: 360px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cta-strip-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.cta-strip-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    0deg,
    rgba(26, 20, 16, 0.84) 0%,
    rgba(26, 20, 16, 0.60) 100%
  );
}

.cta-strip-content {
  position: relative;
  z-index: 2;
  text-align: center;
  display: grid;
  gap: 1rem;
  justify-items: center;
  max-width: 640px;
  padding: 0 1rem;
}

.cta-strip-content h2 {
  color: #fff;
  font-size: clamp(2.2rem, 4.5vw, 3.8rem);
}

.cta-strip-content > p {
  color: rgba(255, 255, 255, 0.72);
  font-size: 1.06rem;
}

/* ═══════════════════════════════════════
   CONTACT
═══════════════════════════════════════ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 2.5rem;
  align-items: start;
}

.contact-copy h2 { margin: 0.35rem 0 0.75rem; }
.contact-copy > p { font-size: 0.96rem; margin-bottom: 1rem; color: var(--muted); }

.contact-info-list { display: grid; gap: 0.5rem; }

.contact-info-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--muted);
}

.contact-info-item svg { color: var(--brand); flex-shrink: 0; width: 16px; height: 16px; }

.contact-form-card {
  background: var(--white);
  border: 1px solid var(--border-warm);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
}

.contact-form { display: grid; gap: 0.75rem; }

/* ── Address autocomplete ── */
.address-field { position: relative; }
.address-input-wrap { position: relative; }

.address-suggestions {
  position: absolute;
  top: calc(100% + 3px);
  left: 0;
  right: 0;
  background: var(--white);
  border: 1.5px solid var(--border-warm);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
  list-style: none;
  padding: 0.25rem 0;
  z-index: 60;
  max-height: 224px;
  overflow-y: auto;
}

.address-suggestion-item {
  padding: 0.55rem 1rem;
  font-size: 0.85rem;
  color: var(--text);
  cursor: pointer;
  line-height: 1.45;
  transition: background 0.12s ease;
}

.address-suggestion-item + .address-suggestion-item {
  border-top: 1px solid rgba(216, 195, 166, 0.55);
}

.address-suggestion-item:hover,
.address-suggestion-item.is-focused {
  background: var(--brand-light);
  color: var(--brand-dark);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.form-field { display: grid; gap: 0.45rem; }

.form-field label {
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--text);
}

.label-optional {
  font-weight: 400;
  color: var(--muted);
}
.required-star {
  color: var(--brand);
  font-weight: 700;
}

.form-field input,
.form-field textarea,
.form-field select {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1.5px solid var(--border-warm);
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--text);
  font-size: 0.94rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  appearance: none;
}

.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(181, 69, 27, 0.10);
  outline: none;
}

.form-field textarea { min-height: 120px; resize: vertical; }

.form-field select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235C5046' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 18px;
  padding-right: 2.5rem;
}

.contact-form .btn { width: 100%; margin-top: 0.25rem; }

.form-note {
  text-align: center;
  font-size: 0.8rem;
  color: var(--muted);
  opacity: 0.7;
}

/* ═══════════════════════════════════════
   FILE UPLOAD
═══════════════════════════════════════ */
.upload-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
  margin-top: 0.35rem;
}

.upload-input { display: none; }

.upload-label {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.3rem;
  padding: 1rem 0.75rem;
  border: 1.5px dashed var(--border-warm);
  border-radius: var(--radius-sm);
  cursor: pointer;
  text-align: center;
  min-height: 78px;
  background: var(--white);
  transition: border-color 0.2s ease, background 0.2s ease;
}

.upload-label:hover {
  border-color: var(--brand);
  background: var(--brand-light);
}

.upload-label svg {
  color: var(--muted);
  opacity: 0.38;
  flex-shrink: 0;
  transition: color 0.2s ease, opacity 0.2s ease;
}

.upload-label-text {
  font-family: var(--font-sans);
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.3;
}

.upload-hint {
  font-size: 0.64rem;
  color: var(--muted);
  opacity: 0.5;
  letter-spacing: 0.05em;
}

.upload-area.has-file .upload-label {
  border-color: var(--teal);
  border-style: solid;
  background: rgba(0, 201, 167, 0.05);
}

.upload-area.has-file .upload-label svg { color: var(--teal); opacity: 1; }
.upload-area.has-file .upload-label-text { color: var(--teal); }

/* ═══════════════════════════════════════
   FOOTER
═══════════════════════════════════════ */
.site-footer {
  background: var(--dark-surface);
  padding: 0;
}

/* Teal accent strip at top */
.footer-accent {
  height: 3px;
  background: linear-gradient(90deg, var(--brand) 0%, var(--gold) 50%, var(--teal) 100%);
}

.footer-main {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  padding: 1.75rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  flex-wrap: wrap;
}

.footer-brand { flex-shrink: 0; }

.footer-logo {
  height: 44px;
  width: auto;
  filter: brightness(0) invert(1);
  opacity: 0.72;
  display: block;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.6rem;
  align-items: center;
  margin-left: auto;
}

.footer-nav a {
  font-size: 0.86rem;
  color: rgba(255,255,255,0.42);
  transition: color 0.2s ease;
}

.footer-nav a:hover { color: rgba(255,255,255,0.82); }

.footer-contact {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.4rem;
  flex-shrink: 0;
}

.footer-contact a {
  font-size: 0.86rem;
  color: rgba(255,255,255,0.42);
  transition: color 0.2s ease;
}

.footer-contact a:hover { color: rgba(255,255,255,0.82); }

/* Accreditation strip */
.footer-accred {
  padding: 1.25rem 0;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.footer-accred-logos {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 3rem;
  flex-wrap: wrap;
}

.footer-accred-logos img {
  height: 52px;
  width: auto;
  object-fit: contain;
  mix-blend-mode: screen;
  opacity: 0.52;
  transition: opacity 0.25s ease;
}

.footer-accred-logos img:hover { opacity: 0.82; }

/* Bottom bar */
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  padding: 0.75rem 0;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.footer-bottom p {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.22);
}

.footer-legal {
  display: flex;
  gap: 1.25rem;
}

.footer-legal a {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.22);
  transition: color 0.2s ease;
}

.footer-legal a:hover { color: rgba(255,255,255,0.52); }

/* ═══════════════════════════════════════
   PRODUCT CATALOGUE — TIER COMPARISON
═══════════════════════════════════════ */
.inverter-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 1.5rem 2rem;
  background: var(--dark-surface);
  border-radius: var(--radius-lg);
  text-decoration: none;
  margin-bottom: 3rem;
  transition: background 0.2s ease;
}
.inverter-banner:hover { background: #2c2018; }

.inverter-banner-copy { display: grid; gap: 0.3rem; }

.inverter-banner-eyebrow {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(212,168,71,0.75);
}

.inverter-banner-name {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 400;
  color: #fff;
  letter-spacing: -0.02em;
  display: block;
}

.inverter-banner-desc {
  font-size: 0.87rem;
  color: rgba(255,255,255,0.45);
  margin: 0;
  line-height: 1.5;
}

.inverter-banner-action {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--gold);
  white-space: nowrap;
  flex-shrink: 0;
}
.inverter-banner-action svg { transition: transform 0.2s ease; }
.inverter-banner:hover .inverter-banner-action svg { transform: translateX(5px); }

.tier-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  align-items: start;
  padding-top: 0.75rem;
}

.tier-card {
  border: 1px solid var(--border-warm);
  border-radius: var(--radius-lg);
  padding: 2rem;
  background: var(--white);
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  position: relative;
}

.tier-card--basic       { border-top: 3px solid #DC2626; }
.tier-card--recommended {
  border: 2px solid var(--teal);
  border-top-width: 3px;
  box-shadow: var(--shadow-md);
  transform: translateY(-0.75rem);
}
.tier-card--premium     { border-top: 3px solid var(--gold); }

.tier-badge {
  position: absolute;
  top: -1rem;
  left: 50%;
  transform: translateX(-50%);
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-family: var(--font-sans);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  background: var(--gold);
  color: var(--dark);
  border-radius: 999px;
  padding: 0.28rem 0.85rem;
  white-space: nowrap;
}

.tier-header { padding-top: 0.2rem; }
.tier-card--recommended .tier-header { padding-top: 0.85rem; }

.tier-name {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  display: block;
  margin-bottom: 0.4rem;
}

.tier-title {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--text);
}

.tier-desc {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.65;
  margin: 0;
}

.tier-cap {
  padding: 1rem 0;
  border-top: 1px solid var(--border-warm);
  border-bottom: 1px solid var(--border-warm);
}

.tier-cap strong {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 400;
  color: var(--brand);
  line-height: 1;
  display: block;
}

.tier-cap span {
  font-size: 0.78rem;
  color: var(--muted);
  margin-top: 0.2rem;
  display: block;
}

.tier-features {
  display: grid;
  gap: 0.55rem;
}

.tier-feature {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  font-size: 0.86rem;
  color: var(--text);
  line-height: 1.4;
}

.tier-feature svg { color: var(--teal); flex-shrink: 0; margin-top: 0.12rem; }
.tier-feature--na { opacity: 0.35; }
.tier-feature--na svg { color: var(--muted); }

.tier-ideal {
  font-size: 0.82rem;
  color: var(--muted);
  font-style: italic;
  border-top: 1px solid var(--border-warm);
  padding-top: 0.85rem;
  margin: 0;
  line-height: 1.55;
}

.tier-card .btn { width: 100%; margin-top: auto; }

/* ═══════════════════════════════════════
   PRODUCT PAGES (sub-pages)
═══════════════════════════════════════ */
.product-page-hero {
  padding: 7rem 0 3.5rem;
  background: var(--dark-surface);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: rgba(255,255,255,0.38);
  text-decoration: none;
  margin-bottom: 1.75rem;
  transition: color 0.2s ease;
}
.back-link:hover { color: rgba(255,255,255,0.75); }

.product-page-hero .section-eyebrow { color: rgba(212,168,71,0.85); margin-bottom: 0.6rem; }

.product-page-hero h1 {
  font-size: clamp(2.4rem, 4vw, 3.6rem);
  color: #fff;
  margin: 0 0 1rem;
  letter-spacing: -0.03em;
  line-height: 1.08;
}

.product-page-hero .hero-desc {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.55);
  max-width: 620px;
  line-height: 1.72;
  margin: 0;
}

.product-page-body {
  padding: 5rem 0;
  background: var(--white);
}

.product-page-cream {
  padding: 4rem 0;
  background: var(--cream);
}

.product-full-card {
  border: 1px solid var(--border-warm);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.product-full-card + .product-full-card { margin-top: 2rem; }

/* ─── Brand intro strip ─── */
.brand-intro {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border-warm);
}
.brand-intro-logo { height: 72px; width: auto; display: block; flex-shrink: 0; }
.brand-intro-tagline { margin: 0; font-size: 0.85rem; color: var(--muted); line-height: 1.6; }

/* ─── Product card header layout ─── */
.product-full-card-header {
  padding: 2rem 2.5rem;
  border-bottom: 1px solid var(--border-warm);
}

.pfc-split {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 2.5rem;
}

.pfc-copy {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.pfc-image {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
}

.pfc-image img {
  max-height: 260px;
  width: auto;
  object-fit: contain;
  mix-blend-mode: multiply;
}

.pfc-image--dual img { max-height: 220px; }

/* ─── Product card footer ─── */
.pfc-footer-note {
  font-size: 0.86rem;
  color: var(--muted);
  margin: 0;
}

.pfc-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  align-items: center;
}

.product-full-card-header-copy { display: grid; gap: 0.4rem; }

.product-full-model {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--brand);
}

.product-full-card-header h2 {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  margin: 0;
}

.product-full-card-header > p {
  font-size: 0.92rem;
  color: var(--muted);
  max-width: 520px;
  line-height: 1.65;
  margin: 0;
}

.product-full-card-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.product-full-specs {
  padding: 2rem 2.5rem;
  border-right: 1px solid var(--border-warm);
}

.product-full-specs h3,
.product-full-features h3 {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1.25rem;
}

.product-full-features {
  padding: 2rem 2.5rem;
}

.product-feature-list {
  display: grid;
  gap: 1rem;
}

.product-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.product-feature-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(0,201,167,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 0.1rem;
}

.product-feature-item strong {
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text);
  display: block;
  margin-bottom: 0.15rem;
}

.product-feature-item p {
  font-size: 0.84rem;
  color: var(--muted);
  line-height: 1.58;
  margin: 0;
}

.product-full-card-footer {
  padding: 1.5rem 2.5rem;
  border-top: 1px solid var(--border-warm);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
  background: var(--cream);
}

.product-page-cta-section {
  padding: 5rem 0;
  background: var(--dark-surface);
  text-align: center;
}

.product-page-cta-section h2 {
  color: #fff;
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  margin-bottom: 0.75rem;
}

.product-page-cta-section p {
  color: rgba(255,255,255,0.52);
  font-size: 1rem;
  max-width: 500px;
  margin: 0 auto 2rem;
  line-height: 1.65;
}

.placeholder-notice {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.5rem 2rem;
  background: var(--gold-light);
  border: 1px solid rgba(212,168,71,0.3);
  border-radius: var(--radius-md);
  margin-bottom: 2.5rem;
}

.placeholder-notice p {
  font-size: 0.9rem;
  color: var(--text);
  line-height: 1.6;
  margin: 0;
}

@media (max-width: 860px) {
  .inverter-banner { flex-direction: column; align-items: flex-start; gap: 1.25rem; }
  .tier-grid { grid-template-columns: 1fr; }
  .tier-card--recommended { transform: none; }
  .product-full-card-body { grid-template-columns: 1fr; }
  .product-full-specs { border-right: none; border-bottom: 1px solid var(--border-warm); }

  /* Product pages — tighten padding for tablet/mobile */
  .product-page-hero { padding: 5rem 0 2rem; }
  .product-full-card-header { padding: 1.5rem 1.75rem; }
  .product-full-specs { padding: 1.5rem 1.75rem; }
  .product-full-features { padding: 1.5rem 1.75rem; }
  .product-full-card-footer { padding: 1.25rem 1.75rem; }
  .brand-intro-logo { height: 52px; }
}

/* ═══════════════════════════════════════
   RESPONSIVE — 1080px
═══════════════════════════════════════ */
@media (max-width: 1080px) {
  .why-item { padding: 1rem 1.75rem; }

  .faq-inner { grid-template-columns: 1fr; gap: 2.5rem; }

  .footer-main { gap: 1.5rem; }
  .footer-nav  { margin-left: 0; }
}

/* ═══════════════════════════════════════
   RESPONSIVE — 860px (tablet/mobile nav)
═══════════════════════════════════════ */
@media (max-width: 860px) {
  .main-nav {
    position: fixed;
    top: 84px;
    left: 0; right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.75rem 1rem 1.25rem;
    border-bottom: 1px solid var(--border-warm);
    box-shadow: var(--shadow-md);
    display: none;
  }

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

  .main-nav a:not(.btn) {
    padding: 0.9rem 0.5rem;
    border-bottom: 1px solid var(--border-warm);
    color: var(--text) !important;
  }

  .main-nav a:not(.btn)::after { display: none; }

  .main-nav .btn-nav {
    margin-top: 1rem;
    width: 100%;
    justify-content: center;
  }

  .nav-toggle { display: flex; }

  .video-feature-inner {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .process-flow { grid-template-columns: repeat(2, 1fr); }
  .process-flow::before { display: none; }

  .contact-grid { grid-template-columns: 1fr; gap: 2.5rem; }

  .why-layout { grid-template-columns: 1fr; gap: 1.5rem; }
  .why-video-embed { order: 0; width: 100%; aspect-ratio: 1 / 1; }
  .why-video-embed video { object-fit: cover; }
  .why-layout .why-items { grid-template-columns: 1fr; }
  .why-layout .why-item:nth-child(odd) { padding-right: 0; border-right: none; }
  .why-layout .why-item:nth-child(even) { padding-left: 0; }
  .why-layout .why-item:nth-last-child(2) { border-bottom: 1px solid var(--border-warm); }
  .why-layout .why-item:last-child:nth-child(odd) { grid-column: auto; }
}

/* ═══════════════════════════════════════
   RESPONSIVE — 640px (mobile)
═══════════════════════════════════════ */
@media (max-width: 640px) {
  /* Increase container side margins on mobile */
  .container { width: min(var(--max-w), calc(100% - 2.5rem)); }

  .section { padding: 2.5rem 0; }
  .section-head { margin-bottom: 1.5rem; }

  /* ── Header ── */
  .header-phone { display: none; }

  /* ── Hero ── */
  .hero { align-items: center; padding-bottom: 2.5rem; }
  .hero-inner { padding-left: 0; padding-right: 0; padding-top: 4.5rem; }
  h1 { font-size: clamp(2.4rem, 9vw, 3.4rem); }
  .hero-copy > p { font-size: 0.97rem; }
  .hero-badges { grid-template-columns: repeat(3, 1fr); }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }

  /* ── Trust bar ── */
  .trust-row { justify-content: center; flex-wrap: wrap; gap: 0.6rem 1.5rem; }
  .trust-divider { display: none; }

  /* ── Why HelioFlo ── */
  .why-layout { gap: 1rem; }
  .why-layout .why-item { padding: 0.7rem 0; }
  #why { padding: 3rem 0; }

  /* ── Stats ── */
  .section-stats { padding: 2rem 0; }

  /* ── Program ── */
  .section-program { padding: 2.5rem 0; }
  .program-benefit { gap: 1rem; }

  /* ── Tier cards ── */
  .tier-grid { gap: 1rem; }
  .tier-card { padding: 1.5rem; }

  /* ── Video feature ── */
  .section-video-feature { padding: 2.5rem 0; }
  .feature-stats { flex-wrap: wrap; gap: 1rem; }
  .feature-stat-divider { display: none; }

  /* ── Process ── */
  .process-flow { grid-template-columns: 1fr; }

  /* ── FAQ ── */
  .faq-item.is-open .faq-body { max-height: 900px; }

  /* ── Contact form ── */
  .form-row { grid-template-columns: 1fr; }
  .upload-grid { grid-template-columns: 1fr; }
  .contact-form-card { padding: 1.5rem; border-radius: var(--radius-lg); }

  /* ── Product pages ── */
  .product-page-hero { padding: 4.5rem 0 1.75rem; }
  .product-full-card-header { padding: 1.25rem; }
  .pfc-split { flex-direction: column; gap: 1.25rem; }
  .pfc-image { align-self: center; }
  .pfc-image img, .pfc-image--dual img { max-height: 140px; }
  .product-full-specs { padding: 1.25rem; border-bottom: 1px solid var(--border-warm); }
  .product-full-features { padding: 1.25rem; }
  .product-full-card-footer { padding: 1rem 1.25rem; flex-direction: column; align-items: flex-start; gap: 1rem; }
  .pfc-actions { flex-direction: column; width: 100%; }
  .pfc-actions .btn { width: 100%; }
  .brand-intro { flex-direction: column; align-items: flex-start; gap: 0.75rem; }
  .brand-intro-logo { height: 44px; }

  /* ── Footer ── */
  .footer-main { flex-direction: column; gap: 1.5rem; }
  .footer-contact { align-items: flex-start; }
  .footer-bottom p { margin-left: 0; }
  .footer-accred-logos { gap: 1.25rem; }
  .footer-accred-logos img { height: 36px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 0.75rem; }

  /* ── Buttons ── */
  .btn-primary,
  .btn-secondary { width: 100%; }
  .btn.btn-nav   { width: auto; }
  .btn.btn-ghost { width: auto; }
  .pfc-actions .btn.btn-ghost { width: 100%; }
}