/* =========================================
   PAGE-SPECIFIC STYLES — SBZSolar
   ========================================= */

/* ============ HOME PAGE ============ */

/* Hero */
.home-hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  background: var(--color-navy-deep);
  overflow: hidden;
}

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

.home-hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 35%;
  opacity: 0.45;
  transition: opacity 1.2s var(--ease-out);
}

.home-hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    110deg,
    rgba(6,15,30,0.88) 0%,
    rgba(6,15,30,0.55) 60%,
    rgba(6,15,30,0.25) 100%
  );
}

.home-hero-inner {
  position: relative;
  z-index: 1;
  padding-top: calc(var(--header-height) + var(--space-10));
  padding-bottom: var(--space-20);
  width: 100%;
}

.home-hero-content {
  max-width: 680px;
}

.home-hero h1 {
  color: var(--color-white);
  font-size: clamp(2.5rem, 5.5vw, 5rem);
  line-height: 1.08;
  letter-spacing: -0.035em;
  margin-top: var(--space-4);
}

.home-hero h1 em {
  font-style: normal;
  color: var(--color-gold);
}

.home-hero-sub {
  font-size: clamp(var(--text-base), 1.5vw, var(--text-xl));
  color: rgba(255,255,255,0.72);
  line-height: var(--leading-relaxed);
  margin-top: var(--space-6);
  max-width: 54ch;
}

.hero-benefits {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2) var(--space-6);
  margin-top: var(--space-8);
}

.hero-benefit {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.75);
  font-weight: var(--weight-medium);
}

.hero-benefit svg {
  width: 14px;
  height: 14px;
  color: var(--color-gold);
  flex-shrink: 0;
}

.home-hero-ctas {
  margin-top: var(--space-10);
}

.home-hero-trust {
  margin-top: var(--space-10);
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255,255,255,0.1);
}

/* Scroll indicator */
.scroll-indicator-wrap {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  z-index: 1;
}

.scroll-indicator-text {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.4);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}

.scroll-indicator-line {
  width: 1.5px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.3), transparent);
  animation: scrollBounce 1.6s ease-in-out infinite;
}

/* Stats band */
.stats-band {
  background: var(--color-navy);
  padding: var(--space-6) 0;
}

.stats-band-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  divide-gap: 1px;
}

.stat-item-band {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
  border-right: 1px solid rgba(255,255,255,0.08);
  text-align: center;
}

.stat-item-band:last-child { border-right: none; }

.stat-item-band .stat-number {
  font-size: clamp(var(--text-3xl), 3vw, var(--text-5xl));
  font-weight: var(--weight-extrabold);
  color: var(--color-gold);
  line-height: 1;
  display: block;
}

.stat-item-band .stat-label {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.55);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  margin-top: var(--space-2);
}

/* Investment section */
.investment-section {
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
}

.investment-section::before {
  content: '';
  position: absolute;
  right: -200px;
  top: 50%;
  transform: translateY(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(246,177,0,0.07) 0%, transparent 70%);
  pointer-events: none;
}

/* Service area */
.service-area-section {
  background: var(--color-gray-50);
}

.area-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.area-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-navy);
}

.area-tag svg {
  width: 12px;
  height: 12px;
  color: var(--color-gold);
}

/* ============ RESIDENTIAL PAGE ============ */
.residential-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-1);
  background: var(--color-gray-200);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.res-feature {
  background: var(--color-white);
  padding: var(--space-8) var(--space-8);
}

.res-feature h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
}

/* ============ COMMERCIAL PAGE ============ */
.industry-card {
  padding: var(--space-6);
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-xl);
  transition:
    box-shadow var(--duration-base) var(--ease-out),
    border-color var(--duration-base) var(--ease-out),
    transform var(--duration-base) var(--ease-out);
}

.industry-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-gray-300);
  transform: translateY(-2px);
}

.industry-icon {
  width: 44px;
  height: 44px;
  background: var(--color-gray-100);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
}

.industry-icon svg {
  width: 22px;
  height: 22px;
  color: var(--color-navy);
}

.industry-card h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-3);
}

.industry-card p {
  font-size: var(--text-sm);
}

/* ============ PROCESS TIMELINE ============ */
.timeline {
  position: relative;
  padding-left: var(--space-12);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 20px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-gold), rgba(246,177,0,0.1));
}

.timeline-item {
  position: relative;
  padding: 0 0 var(--space-10) 0;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-dot {
  position: absolute;
  left: calc(-1 * var(--space-12) + 12px);
  top: 0;
  width: 18px;
  height: 18px;
  background: var(--color-gold);
  border-radius: var(--radius-full);
  border: 3px solid var(--color-white);
  box-shadow: 0 0 0 2px var(--color-gold);
}

.timeline-item h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
}

.timeline-item p {
  font-size: var(--text-base);
}

/* ============ ABOUT PAGE ============ */
.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.value-card {
  padding: var(--space-8);
  background: var(--color-gray-50);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-gray-200);
}

.value-number {
  font-size: var(--text-4xl);
  font-weight: var(--weight-extrabold);
  color: var(--color-gold);
  line-height: 1;
  margin-bottom: var(--space-3);
  opacity: 0.5;
}

.value-card h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
}

/* ============ FAQ PAGE ============ */
.faq-categories {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-bottom: var(--space-10);
}

.faq-cat-btn {
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  background: var(--color-gray-100);
  color: var(--color-text-muted);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out);
}

.faq-cat-btn.active,
.faq-cat-btn:hover {
  background: var(--color-navy);
  color: var(--color-white);
  border-color: var(--color-navy);
}

/* ============ CONTACT PAGE ============ */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: var(--space-12);
  align-items: start;
}

.contact-info-block {
  background: var(--color-navy);
  border-radius: var(--radius-2xl);
  padding: var(--space-10);
  color: var(--color-white);
  position: sticky;
  top: calc(var(--header-height) + var(--space-6));
}

.contact-info-block h3 {
  color: var(--color-white);
  margin-bottom: var(--space-6);
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-4) 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.contact-info-item:last-child { border-bottom: none; }

.contact-info-icon {
  width: 40px;
  height: 40px;
  background: rgba(246,177,0,0.15);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-info-icon svg {
  width: 20px;
  height: 20px;
  color: var(--color-gold);
}

.contact-info-text strong {
  display: block;
  font-weight: var(--weight-semibold);
  color: var(--color-white);
  font-size: var(--text-sm);
  margin-bottom: var(--space-1);
}

.contact-info-text span,
.contact-info-text a {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.65);
}

.contact-info-text a:hover { color: var(--color-gold); }

/* ============ FINANCING PAGE ============ */
.financing-options {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

.financing-card {
  padding: var(--space-8);
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-xl);
  transition:
    border-color var(--duration-base) var(--ease-out),
    box-shadow var(--duration-base) var(--ease-out);
}

.financing-card:hover {
  border-color: var(--color-gold);
  box-shadow: 0 0 0 4px rgba(246,177,0,0.08);
}

.financing-card.featured {
  border-color: var(--color-navy);
  background: var(--color-navy);
}

.financing-card.featured h3 { color: var(--color-white); }
.financing-card.featured p  { color: rgba(255,255,255,0.65); }

.financing-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
}

.financing-icon.gold { background: rgba(246,177,0,0.12); }
.financing-icon svg { width: 24px; height: 24px; color: var(--color-gold); }
.financing-card.featured .financing-icon { background: rgba(255,255,255,0.1); }

/* ============ ENGINEERING PAGE ============ */
.engineering-service-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.eng-service-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-5);
  padding: var(--space-6);
  background: var(--color-gray-50);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-gray-200);
  transition:
    border-color var(--duration-base) var(--ease-out),
    background var(--duration-base) var(--ease-out);
}

.eng-service-item:hover {
  background: var(--color-white);
  border-color: var(--color-gray-300);
}

.eng-icon {
  width: 48px;
  height: 48px;
  background: var(--color-navy);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.eng-icon svg {
  width: 24px;
  height: 24px;
  color: var(--color-gold);
}

.eng-service-item h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
}

.eng-service-item p {
  font-size: var(--text-sm);
  max-width: unset;
}

/* ============ BATTERY PAGE ============ */
.battery-benefits {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

.battery-benefit-card {
  padding: var(--space-7);
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-xl);
}

.battery-benefit-card h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
}