/* ==========================================================================
   System Rainbow - Homepage Styles (v3 - dark theme, rainbowsystem.com match)
   ========================================================================== */

/* --- Container --- */
.sr-container {
  max-width: var(--sr-container);
  margin: 0 auto;
  padding: 0 30px;
}

.sr-container--narrow {
  max-width: var(--sr-container-narrow);
}

/* --- Hero Section --- */
.sr-hero {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #1a2a3a;
  background-image: url('../img/hero-srx-dark.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  overflow: hidden;
}

.sr-hero::before {
  content: '';
  position: absolute;
  top: 10%;
  left: 3%;
  width: 120px;
  height: 300px;
  background-image: radial-gradient(circle, var(--sr-primary) 2px, transparent 2px);
  background-size: 16px 16px;
  opacity: 0.25;
  z-index: 1;
  pointer-events: none;
}

.sr-hero::after {
  content: '';
  position: absolute;
  bottom: 10%;
  right: 3%;
  width: 120px;
  height: 300px;
  background-image: radial-gradient(circle, var(--sr-primary) 2px, transparent 2px);
  background-size: 16px 16px;
  opacity: 0.25;
  z-index: 1;
  pointer-events: none;
}

.sr-hero__inner {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: var(--sr-container);
  margin: 0 auto;
  padding: 80px 30px;
}

.sr-hero__title {
  font-family: var(--sr-font-primary);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: var(--sr-font-weight-bold);
  color: var(--sr-white);
  line-height: var(--sr-line-height-tight);
  margin: 0 0 var(--sr-space-lg);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.sr-hero__title span {
  color: var(--sr-primary);
}

.sr-hero__subtitle {
  font-family: var(--sr-font-primary);
  font-size: var(--sr-font-size-lg);
  color: rgba(255, 255, 255, 0.8);
  line-height: var(--sr-line-height-relaxed);
  margin: 0 auto var(--sr-space-xl);
  max-width: 640px;
}

.sr-hero__actions {
  display: flex;
  justify-content: center;
  gap: var(--sr-space-md);
  flex-wrap: wrap;
}

.sr-hero__btn {
  display: inline-block;
  background: var(--sr-secondary);
  color: var(--sr-white);
  font-family: var(--sr-font-primary);
  font-size: var(--sr-font-size-base);
  font-weight: var(--sr-font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 18px 40px;
  border: none;
  border-radius: var(--sr-radius-sm);
  text-decoration: none;
  cursor: pointer;
  transition: background var(--sr-transition-base), transform var(--sr-transition-base);
}

.sr-hero__btn:hover {
  background: var(--sr-secondary-dark);
  transform: translateY(-2px);
}

.sr-hero__arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 3;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.1);
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--sr-radius-full);
  color: var(--sr-white);
  font-size: var(--sr-font-size-xl);
  cursor: pointer;
  transition: background var(--sr-transition-base), border-color var(--sr-transition-base);
}

.sr-hero__arrow:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: var(--sr-white);
}

.sr-hero__arrow--left {
  left: 20px;
}

.sr-hero__arrow--right {
  right: 20px;
}

/* --- Trust Bar --- */
.sr-trustbar {
  background: var(--sr-primary);
  padding: var(--sr-space-lg) 0;
}

.sr-trustbar__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sr-space-xl);
  flex-wrap: wrap;
  max-width: var(--sr-container);
  margin: 0 auto;
  padding: 0 30px;
}

.sr-trustbar__text {
  font-family: var(--sr-font-primary);
  font-size: var(--sr-font-size-lg);
  font-weight: var(--sr-font-weight-semibold);
  color: var(--sr-white);
  margin: 0;
}

.sr-trustbar__btn {
  display: inline-block;
  font-family: var(--sr-font-primary);
  font-size: var(--sr-font-size-sm);
  font-weight: var(--sr-font-weight-bold);
  color: var(--sr-white);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 10px 28px;
  border: 2px solid var(--sr-white);
  border-radius: var(--sr-radius-sm);
  background: transparent;
  text-decoration: none;
  cursor: pointer;
  transition: background var(--sr-transition-base), color var(--sr-transition-base);
}

.sr-trustbar__btn:hover {
  background: var(--sr-white);
  color: var(--sr-dark);
}

/* --- Power of Water Section --- */
.sr-power {
  background: var(--sr-white);
  padding: var(--sr-section-padding) 0;
}

.sr-power__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sr-space-3xl);
  align-items: center;
  max-width: var(--sr-container);
  margin: 0 auto;
  padding: 0 30px;
}

.sr-power__content {
  max-width: 520px;
}

.sr-power__title {
  font-family: var(--sr-font-primary);
  font-size: clamp(1.75rem, 3vw, 2.75rem);
  font-weight: var(--sr-font-weight-bold);
  color: var(--sr-dark);
  line-height: var(--sr-line-height-tight);
  margin: 0 0 var(--sr-space-lg);
}

.sr-power__title em {
  font-style: italic;
  color: var(--sr-primary);
}

.sr-power__text {
  font-family: var(--sr-font-primary);
  font-size: var(--sr-font-size-base);
  color: var(--sr-gray-600);
  line-height: var(--sr-line-height-relaxed);
  margin: 0 0 var(--sr-space-xl);
}

.sr-power__btn {
  display: inline-block;
  background: var(--sr-secondary);
  color: var(--sr-white);
  font-family: var(--sr-font-primary);
  font-size: var(--sr-font-size-base);
  font-weight: var(--sr-font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 16px 36px;
  border: none;
  border-radius: var(--sr-radius-sm);
  text-decoration: none;
  cursor: pointer;
  transition: background var(--sr-transition-base), transform var(--sr-transition-base);
}

.sr-power__btn:hover {
  background: var(--sr-secondary-dark);
  transform: translateY(-2px);
}

.sr-power__image {
  position: relative;
}

.sr-power__image img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--sr-radius-md);
}

/* --- Comparison Table Section --- */
.sr-compare {
  background: #1a2a3a;
  padding: var(--sr-section-padding) 0;
  position: relative;
  overflow: hidden;
}

.sr-compare__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sr-space-3xl);
  align-items: center;
  max-width: var(--sr-container);
  margin: 0 auto;
  padding: 0 30px;
}

.sr-compare__content {
  position: relative;
  z-index: 2;
}

.sr-compare__title {
  font-family: var(--sr-font-primary);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: var(--sr-font-weight-bold);
  color: var(--sr-white);
  line-height: var(--sr-line-height-tight);
  margin: 0 0 var(--sr-space-xl);
}

.sr-compare__title span {
  color: var(--sr-primary);
}

.sr-compare__table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--sr-font-primary);
}

.sr-compare__table thead th {
  font-size: var(--sr-font-size-sm);
  font-weight: var(--sr-font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 12px 16px;
  text-align: left;
  border-bottom: 2px solid var(--sr-primary);
}

.sr-compare__table thead th:first-child {
  color: rgba(255, 255, 255, 0.7);
}

.sr-compare__table thead th:nth-child(2) {
  color: var(--sr-primary);
  text-align: center;
}

.sr-compare__table thead th:nth-child(3) {
  color: rgba(255, 255, 255, 0.5);
  text-align: center;
}

.sr-compare__table tbody td {
  font-size: var(--sr-font-size-base);
  color: var(--sr-white);
  padding: 14px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sr-compare__table tbody td:nth-child(2),
.sr-compare__table tbody td:nth-child(3) {
  text-align: center;
  font-size: var(--sr-font-size-lg);
}

.sr-compare__check {
  color: var(--sr-primary);
  font-weight: var(--sr-font-weight-bold);
}

.sr-compare__x {
  color: var(--sr-gray-500);
  opacity: 0.6;
}

.sr-compare__image {
  position: relative;
  z-index: 1;
}

.sr-compare__image img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--sr-radius-md);
}

/* --- Testimonials Section --- */
.sr-testimonials-section {
  background: var(--sr-primary);
  padding: var(--sr-section-padding) 0;
  position: relative;
  overflow: hidden;
}

.sr-testimonials-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(255, 255, 255, 0.08) 2px, transparent 2px);
  background-size: 30px 30px;
  pointer-events: none;
  z-index: 0;
}

.sr-testimonials__inner {
  position: relative;
  z-index: 1;
  max-width: var(--sr-container-narrow);
  margin: 0 auto;
  padding: 0 30px;
  text-align: center;
}

.sr-testimonials__quote {
  font-family: var(--sr-font-primary);
  font-size: clamp(1.125rem, 2.5vw, 1.5rem);
  font-weight: var(--sr-font-weight-regular);
  font-style: italic;
  color: var(--sr-white);
  line-height: var(--sr-line-height-relaxed);
  margin: 0 0 var(--sr-space-xl);
  position: relative;
}

.sr-testimonials__quote::before {
  content: '\201C';
  display: block;
  font-size: 4rem;
  line-height: 1;
  color: rgba(255, 255, 255, 0.3);
  margin-bottom: var(--sr-space-sm);
}

.sr-testimonials__author {
  font-family: var(--sr-font-primary);
  font-size: var(--sr-font-size-base);
  font-weight: var(--sr-font-weight-semibold);
  color: var(--sr-white);
  margin: 0 0 var(--sr-space-xl);
  letter-spacing: 0.02em;
}

.sr-testimonials__dots {
  display: flex;
  justify-content: center;
  gap: var(--sr-space-sm);
  margin-bottom: var(--sr-space-xl);
}

.sr-testimonials__dot {
  width: 10px;
  height: 10px;
  border-radius: var(--sr-radius-full);
  background: rgba(255, 255, 255, 0.35);
  border: none;
  cursor: pointer;
  padding: 0;
  transition: background var(--sr-transition-base);
}

.sr-testimonials__dot--active,
.sr-testimonials__dot:hover {
  background: var(--sr-white);
}

.sr-testimonials__btn {
  display: inline-block;
  background: var(--sr-secondary);
  color: var(--sr-white);
  font-family: var(--sr-font-primary);
  font-size: var(--sr-font-size-base);
  font-weight: var(--sr-font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 16px 36px;
  border: none;
  border-radius: var(--sr-radius-sm);
  text-decoration: none;
  cursor: pointer;
  transition: background var(--sr-transition-base), transform var(--sr-transition-base);
}

.sr-testimonials__btn:hover {
  background: var(--sr-secondary-dark);
  transform: translateY(-2px);
}

/* --- Buyer Beware Section --- */
.sr-buyer-beware {
  background: var(--sr-white);
  padding: var(--sr-section-padding) 0;
}

.sr-buyer-beware__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sr-space-3xl);
  align-items: center;
  max-width: var(--sr-container);
  margin: 0 auto;
  padding: 0 30px;
}

.sr-buyer-beware__image {
  position: relative;
}

.sr-buyer-beware__image img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--sr-radius-md);
}

.sr-buyer-beware__content {
  max-width: 520px;
}

.sr-buyer-beware__badge {
  display: inline-block;
  background: var(--sr-danger);
  color: var(--sr-white);
  font-family: var(--sr-font-primary);
  font-size: var(--sr-font-size-sm);
  font-weight: var(--sr-font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 8px 20px;
  border-radius: var(--sr-radius-sm);
  margin-bottom: var(--sr-space-lg);
}

.sr-buyer-beware__title {
  font-family: var(--sr-font-primary);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: var(--sr-font-weight-bold);
  color: var(--sr-dark);
  line-height: var(--sr-line-height-tight);
  margin: 0 0 var(--sr-space-lg);
}

.sr-buyer-beware__text {
  font-family: var(--sr-font-primary);
  font-size: var(--sr-font-size-base);
  color: var(--sr-gray-600);
  line-height: var(--sr-line-height-relaxed);
  margin: 0 0 var(--sr-space-xl);
}

.sr-buyer-beware__actions {
  display: flex;
  gap: var(--sr-space-md);
  flex-wrap: wrap;
}

.sr-buyer-beware__link {
  display: inline-block;
  background: var(--sr-secondary);
  color: var(--sr-white);
  font-family: var(--sr-font-primary);
  font-size: var(--sr-font-size-sm);
  font-weight: var(--sr-font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 14px 28px;
  border: none;
  border-radius: var(--sr-radius-sm);
  text-decoration: none;
  cursor: pointer;
  transition: background var(--sr-transition-base), transform var(--sr-transition-base);
}

.sr-buyer-beware__link:hover {
  background: var(--sr-secondary-dark);
  transform: translateY(-2px);
}

/* --- Final CTA --- */
.sr-final-cta {
  background: #1a2a3a;
  padding: var(--sr-section-padding) 0;
  position: relative;
  overflow: hidden;
}

.sr-final-cta::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(26, 183, 234, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.sr-final-cta::after {
  content: '';
  position: absolute;
  bottom: -20%;
  left: -5%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(101, 172, 50, 0.06) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.sr-final-cta .sr-cta-box {
  max-width: var(--sr-container-narrow);
  margin: 0 auto;
  padding: var(--sr-space-3xl) var(--sr-space-2xl);
  text-align: center;
  position: relative;
  z-index: 1;
}

.sr-final-cta .sr-cta-box h2 {
  font-family: var(--sr-font-primary);
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: var(--sr-font-weight-bold);
  color: var(--sr-white);
  line-height: var(--sr-line-height-tight);
  margin: 0 0 var(--sr-space-md);
}

.sr-final-cta .sr-cta-box h2 span {
  color: var(--sr-primary);
}

.sr-final-cta .sr-cta-box p {
  font-family: var(--sr-font-primary);
  font-size: var(--sr-font-size-lg);
  color: rgba(255, 255, 255, 0.75);
  line-height: var(--sr-line-height-relaxed);
  max-width: 600px;
  margin: 0 auto var(--sr-space-xl);
}

.sr-final-cta__actions {
  display: flex;
  justify-content: center;
  gap: var(--sr-space-md);
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

.sr-final-cta__actions .sr-hero__btn {
  padding: 16px 36px;
}

.sr-final-cta__actions .sr-trustbar__btn {
  padding: 16px 36px;
  font-size: var(--sr-font-size-base);
}

.sr-final-cta__note {
  font-family: var(--sr-font-primary);
  font-size: var(--sr-font-size-sm);
  color: rgba(255, 255, 255, 0.5);
  margin-top: var(--sr-space-lg);
}

/* --- Button lg variant --- */
.sr-btn-lg {
  padding: 16px 36px;
  font-size: var(--sr-font-size-lg);
}

.sr-btn-outline-white {
  background: transparent;
  color: var(--sr-white);
  border: 2px solid var(--sr-white);
}

.sr-btn-outline-white:hover {
  background: var(--sr-white);
  color: var(--sr-primary);
}

/* --- Legacy sections (kept for backward compat) --- */

.sr-section.sr-howit {
  position: relative;
}

.sr-section.sr-howit::before {
  content: '';
  position: absolute;
  top: -2px;
  left: 0;
  right: 0;
  height: 60px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 60'%3E%3Cpath fill='%23F5F5F5' d='M0,20 C480,60 960,0 1440,20 L1440,0 L0,0 Z'/%3E%3C/svg%3E") no-repeat top center;
  background-size: cover;
  z-index: 1;
}

.sr-howit__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sr-space-2xl);
  position: relative;
}

.sr-howit__grid::before {
  content: '';
  position: absolute;
  top: 20px;
  left: 20%;
  right: 20%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--sr-primary-light) 20%, var(--sr-primary) 50%, var(--sr-primary-light) 80%, transparent);
  opacity: 0.4;
}

.sr-howit__step {
  text-align: center;
  position: relative;
  z-index: 2;
}

.sr-howit__number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--sr-primary) 0%, var(--sr-primary-dark) 100%);
  color: var(--sr-white);
  font-family: var(--sr-font-primary);
  font-size: var(--sr-font-size-xl);
  font-weight: var(--sr-font-weight-bold);
  border-radius: var(--sr-radius-full);
  margin-bottom: var(--sr-space-md);
  box-shadow: 0 4px 15px rgba(26, 183, 234, 0.3);
}

.sr-howit__icon {
  margin-bottom: var(--sr-space-md);
}

.sr-howit__icon svg {
  filter: drop-shadow(0 2px 4px rgba(26, 183, 234, 0.2));
}

.sr-howit__step h3 {
  font-family: var(--sr-font-primary);
  font-size: var(--sr-font-size-xl);
  font-weight: var(--sr-font-weight-semibold);
  color: var(--sr-dark);
  margin: 0 0 var(--sr-space-sm);
}

.sr-howit__step p {
  font-family: var(--sr-font-primary);
  font-size: var(--sr-font-size-base);
  color: var(--sr-gray-600);
  line-height: var(--sr-line-height-relaxed);
  margin: 0;
}

.sr-howit__cta {
  text-align: center;
  margin-top: var(--sr-space-2xl);
}

.sr-products-section {
  position: relative;
}

.sr-products__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sr-space-xl);
}

.sr-products__grid .sr-product-card {
  text-decoration: none;
}

.sr-products__cta {
  text-align: center;
  margin-top: var(--sr-space-2xl);
}

.sr-section.sr-why {
  background: linear-gradient(180deg, var(--sr-gray-100) 0%, #eef7fb 100%);
}

.sr-why__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sr-space-xl);
}

.sr-why__cta {
  text-align: center;
  margin-top: var(--sr-space-2xl);
}

.sr-faq-section {
  background: linear-gradient(180deg, var(--sr-gray-100) 0%, var(--sr-white) 100%);
}

.sr-faq-list {
  max-width: 800px;
  margin: 0 auto var(--sr-space-xl);
}

.sr-faq__cta {
  text-align: center;
  margin-top: var(--sr-space-xl);
}

/* ===== RESPONSIVE ===== */

@media (max-width: 991px) {
  .sr-hero__inner {
    padding: 60px 20px;
  }

  .sr-hero__arrow {
    display: none;
  }

  .sr-hero::before,
  .sr-hero::after {
    width: 60px;
    opacity: 0.15;
  }

  .sr-power__inner {
    grid-template-columns: 1fr;
    gap: var(--sr-space-2xl);
  }

  .sr-power__content {
    max-width: 100%;
    text-align: center;
  }

  .sr-power__image {
    order: -1;
    max-width: 500px;
    margin: 0 auto;
  }

  .sr-compare__inner {
    grid-template-columns: 1fr;
    gap: var(--sr-space-2xl);
  }

  .sr-compare__image {
    order: -1;
    max-width: 500px;
    margin: 0 auto;
  }

  .sr-buyer-beware__inner {
    grid-template-columns: 1fr;
    gap: var(--sr-space-2xl);
  }

  .sr-buyer-beware__image {
    order: -1;
    max-width: 500px;
    margin: 0 auto;
  }

  .sr-buyer-beware__content {
    max-width: 100%;
    text-align: center;
  }

  .sr-buyer-beware__actions {
    justify-content: center;
  }

  .sr-trustbar__inner {
    flex-direction: column;
    text-align: center;
    gap: var(--sr-space-md);
  }

  .sr-howit__grid {
    grid-template-columns: 1fr;
    gap: var(--sr-space-xl);
  }

  .sr-howit__grid::before {
    display: none;
  }

  .sr-products__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .sr-why__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .sr-hero {
    min-height: 60vh;
  }

  .sr-hero__inner {
    padding: 40px 16px;
  }

  .sr-hero::before,
  .sr-hero::after {
    display: none;
  }

  .sr-hero__actions {
    flex-direction: column;
    align-items: center;
  }

  .sr-hero__btn {
    width: 100%;
    text-align: center;
  }

  .sr-trustbar__inner {
    padding: 0 16px;
  }

  .sr-power__inner,
  .sr-compare__inner,
  .sr-buyer-beware__inner {
    padding: 0 16px;
  }

  .sr-power {
    padding: var(--sr-section-padding-mobile) 0;
  }

  .sr-compare {
    padding: var(--sr-section-padding-mobile) 0;
  }

  .sr-compare__table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .sr-testimonials-section {
    padding: var(--sr-section-padding-mobile) 0;
  }

  .sr-buyer-beware {
    padding: var(--sr-section-padding-mobile) 0;
  }

  .sr-buyer-beware__actions {
    flex-direction: column;
    align-items: center;
  }

  .sr-buyer-beware__link {
    width: 100%;
    text-align: center;
  }

  .sr-final-cta {
    padding: var(--sr-section-padding-mobile) 0;
  }

  .sr-final-cta__actions {
    flex-direction: column;
    align-items: center;
  }

  .sr-final-cta__actions .sr-hero__btn,
  .sr-final-cta__actions .sr-trustbar__btn {
    width: 100%;
    text-align: center;
  }

  .sr-products__grid {
    grid-template-columns: 1fr;
  }

  .sr-why__grid {
    grid-template-columns: 1fr;
  }

  .sr-trustbar__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--sr-space-lg);
  }
}