/*
 * panneaux-solaires.css — Page Panneaux Solaires Bifaciaux
 * @package OFFGRID.QC
 * @version 1.0 — 2 mars 2026
 * Dépend de style.css (variables CSS globales)
 * Préfixe: .ps- (classes partagées .roi-* conservées)
 */

/* ════════════════════════════════════════
   VARIABLES LOCALES
════════════════════════════════════════ */
.ps-section,
.ps-hero {
  --ps-accent:       #00ff88;
  --ps-accent-dim:   rgba(0, 255, 136, 0.12);
  --ps-accent-glow:  rgba(0, 255, 136, 0.35);
  --ps-bg:           #0a0a0a;
  --ps-bg-alt:       #111111;
  --ps-card:         #1a1a1a;
  --ps-card-border:  #2a2a2a;
  --ps-text:         #ffffff;
  --ps-text-muted:   #a0a0a0;
  --ps-solar:        #ffc107;
  --ps-generator:    #ff6b35;
  --ps-conso:        #4a9eff;
  --ps-radius:       12px;
  --ps-gap:          1.5rem;
}

/* Variables partagées .roi-* pour les composants réutilisés sur la page */
.roi-section,
.roi-section-cta {
  --roi-accent:      #00ff88;
  --roi-accent-dim:  rgba(0, 255, 136, 0.12);
  --roi-accent-glow: rgba(0, 255, 136, 0.35);
  --roi-bg:          #0a0a0a;
  --roi-card:        #1a1a1a;
  --roi-card-border: #2a2a2a;
  --roi-text-muted:  #a0a0a0;
  --roi-radius:      12px;
  --roi-gap:         1.5rem;
}

/* ════════════════════════════════════════
   HERO
════════════════════════════════════════ */
.ps-hero {
  background: linear-gradient(135deg, #0a0a0a 0%, #0f1a0f 50%, #0a0a0a 100%);
  padding: 5rem 2rem 4rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.ps-hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0, 255, 136, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.ps-hero-content {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.ps-hero-badge {
  display: inline-block;
  background: var(--ps-accent-dim);
  border: 1px solid var(--ps-accent);
  color: var(--ps-accent);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  padding: 0.35rem 1rem;
  border-radius: 100px;
  margin-bottom: 1.5rem;
}

.ps-hero-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900;
  color: #fff;
  line-height: 1.15;
  margin: 0 0 1rem;
  text-shadow:
    0 0 2px #fff,
    0 0 8px rgba(0, 255, 136, 0.2),
    0 0 20px rgba(0, 255, 136, 0.1);
}

.ps-accent {
  color: var(--ps-accent);
}

.ps-hero-sub {
  font-size: 1.1rem;
  color: var(--ps-text-muted);
  margin: 0 0 2rem;
  line-height: 1.6;
}

.ps-hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--ps-accent);
  color: #000;
  font-weight: 800;
  font-size: 1rem;
  padding: 0.9rem 2.5rem;
  border-radius: 8px;
  text-decoration: none;
  transition: all 0.2s ease;
  box-shadow: 0 0 20px var(--ps-accent-glow);
  letter-spacing: 0.03em;
}

.ps-hero-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 30px var(--ps-accent-glow);
}

.ps-hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  max-width: 700px;
  margin: 3rem auto 0;
}

/* ── Stat cards (partagées, redéfinies pour la page PS) ── */
.ps-hero .roi-stat-card,
.ps-section .roi-stat-card {
  background: var(--ps-card);
  border: 1px solid rgba(0, 255, 136, 0.15);
  border-radius: var(--ps-radius);
  padding: 1.25rem 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2rem;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.ps-hero .roi-stat-card.roi-stat-highlight,
.ps-section .roi-stat-card.roi-stat-highlight {
  border-color: rgba(0, 255, 136, 0.15);
  background: var(--ps-card);
}

.ps-hero .roi-stat-card:hover,
.ps-section .roi-stat-card:hover {
  border-color: rgba(0, 255, 136, 0.45);
  box-shadow: 0 0 18px rgba(0, 255, 136, 0.12);
}

.ps-hero .roi-stat-num,
.ps-section .roi-stat-num {
  font-size: 1.8rem;
  font-weight: 900;
  color: var(--ps-accent);
  line-height: 1;
}

.ps-hero .roi-stat-unit,
.ps-section .roi-stat-unit {
  font-size: 0.9rem;
  color: var(--ps-accent);
  font-weight: 700;
}

.ps-hero .roi-stat-label,
.ps-section .roi-stat-label {
  font-size: 0.72rem;
  color: var(--ps-text-muted);
  text-align: center;
  line-height: 1.3;
  margin-top: 0.2rem;
}

/* ════════════════════════════════════════
   SECTIONS
════════════════════════════════════════ */
.ps-section {
  background: var(--ps-bg);
  padding: 4rem 2rem;
}

.ps-section-alt {
  background: var(--ps-bg-alt);
}

.ps-container {
  max-width: 1100px;
  margin: 0 auto;
}

.ps-section-header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.ps-step-badge {
  display: inline-block;
  background: var(--ps-accent-dim);
  border: 1px solid var(--ps-accent);
  color: var(--ps-accent);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  padding: 0.25rem 0.85rem;
  border-radius: 100px;
  margin-bottom: 0.75rem;
}

.ps-section-title {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 800;
  color: #fff;
  margin: 0 0 0.5rem;
}

.ps-section-sub {
  font-size: 0.95rem;
  color: var(--ps-text-muted);
  margin: 0 auto;
  max-width: 600px;
}

.ps-section-intro {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.7;
  max-width: 900px;
  margin: 0 auto 2rem;
  text-align: center;
}

.ps-subsection-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: #fff;
  margin: 2rem 0 1rem;
}

/* ════════════════════════════════════════
   FIGURES / IMAGES
════════════════════════════════════════ */
.ps-figure {
  max-width: 900px;
  margin: 2rem auto;
  border-radius: var(--ps-radius);
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
}

.ps-figure img {
  width: 100%;
  height: auto;
  display: block;
}

.ps-figure figcaption {
  text-align: center;
  font-size: 0.82rem;
  color: var(--ps-text-muted);
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.04);
  font-style: italic;
}

/* ════════════════════════════════════════
   CURSEUR ALBÉDO
════════════════════════════════════════ */
.ps-albedo-wrapper {
  background: var(--ps-card);
  border: 1px solid var(--ps-card-border);
  border-radius: var(--ps-radius);
  padding: 1.5rem;
  max-width: 600px;
  margin: 2rem auto;
  text-align: center;
}

.ps-albedo-title {
  font-weight: 700;
  margin-bottom: 1rem;
  color: #fff;
}

.ps-albedo-track {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 1rem 0;
}

.ps-albedo-min,
.ps-albedo-max {
  font-size: 0.8rem;
  color: var(--ps-text-muted);
  white-space: nowrap;
}

.ps-albedo-result {
  font-size: 1.1rem;
  margin: 0.75rem 0;
  color: #fff;
}

.ps-albedo-note {
  font-size: 0.75rem;
  color: var(--ps-text-muted);
  font-style: italic;
  margin: 0;
}

/* ── Range inputs ── */
.ps-range {
  flex: 1;
  -webkit-appearance: none;
  height: 6px;
  border-radius: 3px;
  background: #2a2a2a;
  outline: none;
  cursor: pointer;
}

.ps-range-solar {
  accent-color: #ffc107;
}

.ps-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  background: #ffc107;
  border-radius: 50%;
  cursor: pointer;
}

.ps-range::-moz-range-thumb {
  width: 18px;
  height: 18px;
  background: #ffc107;
  border: none;
  border-radius: 50%;
  cursor: pointer;
}

/* ════════════════════════════════════════
   SPECS GRID (installation)
════════════════════════════════════════ */
.ps-section .specs-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.ps-section .spec-item {
  background: var(--ps-card);
  border: 1px solid var(--ps-card-border);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.ps-section .spec-item.spec-highlight {
  border-color: var(--ps-accent);
  background: var(--ps-accent-dim);
}

.ps-section .spec-item.spec-critical {
  border-left: 3px solid #ff6b35;
}

.ps-section .spec-label {
  font-size: 0.82rem;
  color: var(--ps-text-muted);
  font-weight: 600;
}

.ps-section .spec-value {
  font-size: 0.88rem;
  color: #fff;
  font-weight: 600;
  text-align: right;
}

.ps-section .spec-item.spec-highlight .spec-value {
  color: var(--ps-accent);
  font-size: 1rem;
  font-weight: 800;
}

/* ════════════════════════════════════════
   FAQ / ACCORDÉON (partagé .roi-*)
════════════════════════════════════════ */
.ps-section .roi-faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  max-width: 800px;
  margin: 0 auto;
}

.ps-section .roi-faq-item {
  background: var(--ps-card);
  border: 1px solid var(--ps-card-border);
  border-radius: var(--ps-radius);
  overflow: hidden;
}

.ps-section .roi-faq-question {
  width: 100%;
  background: transparent;
  border: none;
  color: #fff;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 1.1rem 1.25rem;
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  font-family: inherit;
  transition: color 0.2s;
}

.ps-section .roi-faq-question:hover {
  color: var(--ps-accent);
}

.ps-section .roi-faq-chevron {
  font-size: 0.7rem;
  color: var(--ps-accent);
  flex-shrink: 0;
}

.ps-section .roi-faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.2s ease;
  padding: 0 1.25rem;
}

.ps-section .roi-faq-answer.open {
  max-height: 500px;
  padding: 0 1.25rem 1.25rem;
}

.ps-section .roi-faq-answer p {
  font-size: 0.88rem;
  color: var(--ps-text-muted);
  line-height: 1.6;
  margin: 0;
  border-top: 1px solid #2a2a2a;
  padding-top: 1rem;
}

.ps-section .roi-faq-answer p + p {
  border-top: none;
  padding-top: 0;
  margin-top: 0.75rem;
}

.ps-section .roi-faq-answer a {
  color: var(--ps-accent);
  text-decoration: underline;
}

/* ════════════════════════════════════════
   GRAPHIQUE VRM
════════════════════════════════════════ */
.ps-chart-wrap {
  background: #1a1a1a;
  border: 1px solid var(--ps-card-border);
  border-radius: var(--ps-radius);
  overflow: hidden;
  width: 100%;
}

#ps-vrm-chart {
  width: 100%;
  max-height: 300px;
  display: block;
}

.ps-chart-legend {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 1rem;
}

.ps-legend-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  color: var(--ps-text-muted);
}

.ps-legend-dot {
  width: 12px;
  height: 12px;
  border-radius: 2px;
  flex-shrink: 0;
}

/* ════════════════════════════════════════
   DISCLAIMER (partagé .roi-*)
════════════════════════════════════════ */
.ps-section .roi-disclaimer {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  background: rgba(255, 193, 7, 0.08);
  border: 1px solid rgba(255, 193, 7, 0.3);
  border-radius: var(--ps-radius);
  padding: 1rem 1.25rem;
  max-width: 680px;
  margin: 0 auto;
}

.ps-section .roi-disclaimer-icon {
  font-size: 1.2rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.ps-section .roi-disclaimer p {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.8);
  margin: 0;
  line-height: 1.5;
}

/* ════════════════════════════════════════
   INPUTS / SELECT (partagés .roi-*)
════════════════════════════════════════ */
.ps-section .roi-input-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--ps-gap);
  margin-bottom: 2rem;
}

.ps-section .roi-input-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.ps-section .roi-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: #fff;
}

.ps-section .roi-input {
  background: var(--ps-card);
  border: 1px solid var(--ps-card-border);
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  outline: none;
  font-family: inherit;
  transition: border-color 0.2s;
  width: 100%;
  box-sizing: border-box;
}

.ps-section .roi-input:focus {
  border-color: var(--ps-accent);
}

.ps-section .roi-select {
  background: var(--ps-card);
  border: 1px solid var(--ps-card-border);
  color: #fff;
  font-size: 0.85rem;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  outline: none;
  cursor: pointer;
  transition: border-color 0.2s;
  font-family: inherit;
  width: 100%;
}

.ps-section .roi-select:focus {
  border-color: var(--ps-accent);
}

/* ════════════════════════════════════════
   RÉSULTAT SIMULATEUR (partagé .roi-*)
════════════════════════════════════════ */
.ps-section .roi-result-card {
  background: linear-gradient(135deg, #1a1a1a, #0f1a0f);
  border: 1px solid var(--ps-accent);
  border-radius: var(--ps-radius);
  padding: 1.5rem 2rem;
  box-shadow: 0 0 30px rgba(0, 255, 136, 0.08);
}

.ps-section .roi-result-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  text-align: center;
}

.ps-section .roi-result-item {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.ps-section .roi-result-label {
  font-size: 0.75rem;
  color: var(--ps-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.ps-section .roi-result-value {
  font-size: 1.2rem;
  font-weight: 800;
  color: #fff;
}

.ps-section .roi-result-value.ps-accent {
  color: var(--ps-accent);
  font-size: 1.4rem;
}

/* ════════════════════════════════════════
   CURTAILMENT WARNING
════════════════════════════════════════ */
.ps-curtailment-warn {
  margin-top: 1rem;
  padding: 0.85rem 1.25rem;
  background: rgba(255, 193, 7, 0.1);
  border: 1px solid rgba(255, 193, 7, 0.4);
  border-radius: 8px;
  color: #ffc107;
  font-size: 0.9rem;
}

.ps-curtailment-warn a {
  color: var(--ps-accent);
  text-decoration: underline;
}

/* ════════════════════════════════════════
   LISTE PRODUITS
════════════════════════════════════════ */
.ps-products-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: 700px;
  margin: 0 auto;
}

.ps-products-list li {
  background: var(--ps-card);
  border: 1px solid var(--ps-card-border);
  border-radius: 10px;
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.95rem;
  color: #fff;
  transition: border-color 0.2s;
}

.ps-products-list li:hover {
  border-color: rgba(0, 255, 136, 0.3);
}

.ps-product-badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid #333;
  color: var(--ps-text-muted);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: 100px;
  white-space: nowrap;
  flex-shrink: 0;
}

.ps-product-badge.ps-product-mine {
  background: var(--ps-accent-dim);
  border-color: var(--ps-accent);
  color: var(--ps-accent);
}

/* ════════════════════════════════════════
   CAMÉRA TEASER
════════════════════════════════════════ */
.ps-camera-placeholder {
  text-align: center;
  padding: 3rem 2rem;
  background: var(--ps-card);
  border: 1px solid var(--ps-card-border);
  border-radius: 16px;
  max-width: 600px;
  margin: 0 auto;
}

.ps-camera-signal {
  position: relative;
  width: 60px;
  height: 60px;
  margin: 0 auto 1.5rem;
}

.ps-signal-dot {
  width: 16px;
  height: 16px;
  background: #ff6b35;
  border-radius: 50%;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.ps-signal-ring {
  position: absolute;
  border: 2px solid rgba(255, 107, 53, 0.4);
  border-radius: 50%;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation: ps-signal 2s ease-out infinite;
}

.ps-ring-1 { width: 36px; height: 36px; animation-delay: 0s; }
.ps-ring-2 { width: 60px; height: 60px; animation-delay: 0.6s; }

@keyframes ps-signal {
  0%   { opacity: 0.8; transform: translate(-50%, -50%) scale(0.8); }
  100% { opacity: 0;   transform: translate(-50%, -50%) scale(1.4); }
}

.ps-camera-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: #fff;
  margin: 0 0 0.5rem;
}

.ps-camera-sub {
  color: var(--ps-text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
  margin: 0 0 1rem;
}

.ps-camera-badge {
  display: inline-block;
  background: rgba(255, 107, 53, 0.12);
  border: 1px solid rgba(255, 107, 53, 0.4);
  color: #ff6b35;
  padding: 0.35rem 1rem;
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 700;
}

.ps-camera-feed {
  width: 100%;
  max-width: 800px;
  aspect-ratio: 16 / 9;
  border-radius: var(--ps-radius);
  border: 2px solid var(--ps-accent);
  display: none;
  margin: 0 auto;
}

/* ════════════════════════════════════════
   CARD SOLAIRE 101
════════════════════════════════════════ */
.ps-solaire101-card {
  text-align: center;
  padding: 2.5rem 2rem;
  background: var(--ps-accent-dim);
  border: 1px solid var(--ps-accent);
  border-radius: 16px;
  max-width: 600px;
  margin: 0 auto;
}

.ps-solaire101-icon {
  font-size: 2.5rem;
  display: block;
  margin-bottom: 1rem;
}

.ps-solaire101-card h3 {
  font-size: 1.3rem;
  font-weight: 800;
  color: #fff;
  margin: 0 0 0.75rem;
}

.ps-solaire101-card p {
  color: var(--ps-text-muted);
  margin: 0 0 1.5rem;
  line-height: 1.6;
}

.ps-solaire101-card .roi-cta-btn {
  color: #ffffff !important;
}

/* ════════════════════════════════════════
   CTA FINAL (partagé .roi-section-cta)
════════════════════════════════════════ */
.roi-section-cta {
  background: linear-gradient(135deg, #0a0a0a 0%, #0f1a0f 100%);
  padding: 5rem 2rem;
}

.roi-container {
  max-width: 1100px;
  margin: 0 auto;
}

.roi-cta-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--roi-gap);
  margin-bottom: 2.5rem;
}

.roi-cta-card {
  background: var(--roi-card);
  border: 1px solid var(--roi-card-border);
  border-radius: var(--roi-radius);
  padding: 2rem 1.5rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  align-items: center;
  transition: border-color 0.2s;
}

.roi-cta-card.roi-cta-featured {
  border-color: var(--roi-accent);
  background: linear-gradient(135deg, #1a1a1a, #0f1a0f);
  box-shadow: 0 0 25px rgba(0, 255, 136, 0.1);
}

.roi-cta-icon { font-size: 2.5rem; }

.roi-cta-card h3 {
  font-size: 1.05rem;
  font-weight: 800;
  color: #fff;
  margin: 0;
}

.roi-cta-card p {
  font-size: 0.82rem;
  color: var(--roi-text-muted);
  margin: 0;
  line-height: 1.5;
}

.roi-cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
  padding: 0.7rem 1.5rem;
  border-radius: 8px;
  text-decoration: none;
  transition: all 0.2s ease;
  margin-top: auto;
  letter-spacing: 0.02em;
}

.roi-cta-primary {
  background: transparent;
  border: 1px solid var(--roi-accent);
  color: var(--roi-accent);
}

.roi-cta-primary:hover {
  background: var(--roi-accent);
  color: #000;
}

.roi-cta-accent {
  background: var(--roi-accent);
  color: #000;
  border: 1px solid transparent;
  box-shadow: 0 0 15px var(--roi-accent-glow);
}

.roi-cta-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 25px var(--roi-accent-glow);
}

.roi-contact-cta {
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.roi-contact-cta p {
  color: var(--roi-text-muted);
  font-size: 0.9rem;
  margin: 0;
}

.roi-link-btn {
  display: inline-flex;
  align-items: center;
  background: var(--roi-accent-dim);
  border: 1px solid var(--roi-accent);
  color: var(--roi-accent);
  font-size: 0.88rem;
  font-weight: 600;
  padding: 0.65rem 1.25rem;
  border-radius: 8px;
  text-decoration: none;
  transition: all 0.2s ease;
}

.roi-link-btn:hover {
  background: var(--roi-accent);
  color: #000;
}

/* ════════════════════════════════════════
   RESPONSIVE
════════════════════════════════════════ */
@media (max-width: 900px) {
  .ps-hero-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
  }

  .roi-cta-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto 2.5rem;
  }

  .ps-section .roi-result-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .ps-section .specs-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 650px) {
  .ps-hero { padding: 4rem 1.25rem 3rem; }
  .ps-section { padding: 3rem 1.25rem; }
  .roi-section-cta { padding: 3.5rem 1.25rem; }

  .ps-hero-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
  }

  .ps-hero .roi-stat-num,
  .ps-section .roi-stat-num { font-size: 1.2rem; }

  .ps-hero .roi-stat-label,
  .ps-section .roi-stat-label { font-size: 0.65rem; }

  .ps-section .roi-input-grid { grid-template-columns: 1fr; }
  .ps-section .roi-result-grid { grid-template-columns: 1fr; }

  .ps-albedo-track { flex-direction: column; gap: 0.5rem; }
  .ps-albedo-track .ps-range { width: 100%; }
}

@media (max-width: 400px) {
  .ps-hero-stats { gap: 0.4rem; }
  .ps-hero .roi-stat-card,
  .ps-section .roi-stat-card { padding: 0.85rem 0.5rem; }
  .ps-hero .roi-stat-num,
  .ps-section .roi-stat-num { font-size: 1rem; }
}