/* =============================================================
   GREENWAVE 2026 - SOLUTIONS PAGE STYLESHEET (solutions.css)
   Matches solutions mockup exactly:
   - Modern dark boardroom hero with left gradient fade
   - 4-card solution areas grid with green outline badges
   - Connected operations orbital diagram & benefit pillars
   - 6-item real-world industries showcase
   - Panoramic scenic viaduct CTA banner
   - Unified dark navigation header and footer
   ============================================================= */

@import url("landing.css?v=2.8");

/* -------------------------------------------------------------
   1. HERO SECTION: Boardroom Background & Skyline
------------------------------------------------------------- */
.sol-hero {
  position: relative;
  min-height: var(--gw-hero-min-height, 560px);
  display: flex;
  align-items: center;
  padding: var(--gw-hero-padding, 130px 0 90px);
  background-color: #010a0c;
  overflow: hidden;
}

.sol-hero-bg {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: var(--gw-hero-bg-width, 58%);
  background: url("../img/solutions/solution-hero-factory.jpg") right center / cover no-repeat;
  z-index: 1;
  pointer-events: none;
}

/* Left smooth gradient dissolve so text is 100% legible */
.sol-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: var(--gw-hero-vignette-width, 60%);
  background: linear-gradient(90deg, #010a0c 0%, #010a0c 38%, rgba(1, 10, 12, 0.85) 72%, transparent 100%);
  z-index: 2;
  pointer-events: none;
}

.sol-hero-content {
  position: relative;
  z-index: 3;
  max-width: var(--gw-hero-content-max-width, 600px);
}

.sol-hero-kicker {
  font-size: 0.72rem;
  font-weight: 750;
  letter-spacing: 0.16em;
  color: var(--lw-green-dark);
  text-transform: uppercase;
  margin-bottom: 20px;
}

.sol-hero-title {
  font-size: clamp(2.3rem, 4.2vw, 3.4rem);
  font-weight: 750;
  line-height: 1.1;
  letter-spacing: -0.04em;
  color: #ffffff;
  margin: 0 0 20px;
}

.sol-hero-title .lw-highlight-green {
  color: var(--lw-green-bright, #00d07e);
}

.sol-hero-desc {
  font-size: 1.02rem;
  line-height: 1.65;
  color: #94a3b8;
  margin: 0 0 32px;
  max-width: var(--gw-hero-desc-max-width, 500px);
}

.sol-hero-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

/* -------------------------------------------------------------
   2. SECTION: FOUR SOLUTION AREAS (SHOWCASE LIST & TABS)
------------------------------------------------------------- */
.sol-areas-section {
  padding: 85px 0 100px;
  background-color: #ffffff;
}

.sol-areas-header {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 48px;
  align-items: flex-end;
  margin-bottom: 40px;
}

.sol-areas-title-wrap .lw-kicker {
  font-size: 0.72rem;
  font-weight: 750;
  letter-spacing: 0.16em;
  color: var(--lw-green-dark);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.sol-areas-title-wrap h2 {
  font-size: clamp(1.9rem, 3.2vw, 2.75rem);
  font-weight: 750;
  line-height: 1.12;
  letter-spacing: -0.04em;
  color: #0f172a;
  margin: 0;
}

.sol-areas-intro p {
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--lw-text-muted);
  margin: 0;
}

/* Category Filter Tabs */
.sol-filter-tabs {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 36px;
  border-bottom: 1px solid #e2e8f0;
  margin-bottom: 48px;
  padding: 0 4px;
  overflow-x: auto;
  white-space: nowrap;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.sol-filter-tabs::-webkit-scrollbar {
  display: none;
}

.sol-tab-btn {
  background: none;
  border: none;
  padding: 0 0 14px 0;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  color: #64748b;
  cursor: pointer;
  position: relative;
  transition: color 0.2s ease;
  flex-shrink: 0;
}

.sol-tab-btn:hover {
  color: #0f172a;
}

.sol-tab-btn.active {
  color: var(--lw-green-dark, #059669);
  font-weight: 700;
}

.sol-tab-btn::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 2.5px;
  background-color: transparent;
  border-radius: 2px 2px 0 0;
  transition: background-color 0.2s ease;
}

.sol-tab-btn.active::after {
  background-color: var(--lw-green-dark, #059669);
}

.sol-tab-btn:focus-visible {
  outline: 2px solid var(--lw-green-dark, #059669);
  outline-offset: 4px;
  border-radius: 4px;
}

/* Showcase List & Items */
.sol-showcase-list {
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.sol-showcase-item {
  display: grid;
  grid-template-columns: 1.05fr 1.15fr;
  gap: 52px;
  align-items: center;
  padding-bottom: 48px;
  border-bottom: 1px solid #eef2f6;
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.sol-showcase-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.sol-showcase-item.sol-item-hidden {
  display: none;
}

/* Media Column */
.sol-showcase-media {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10.5;
  border-radius: 14px;
  overflow: hidden;
  background: #0b191c;
  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.08);
  border: 1px solid rgba(226, 232, 240, 0.8);
}

.sol-showcase-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.sol-showcase-item:hover .sol-showcase-img {
  transform: scale(1.025);
}

/* Content Column */
.sol-showcase-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.sol-showcase-kicker {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 750;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--lw-green-dark, #059669);
  margin-bottom: 10px;
}

.sol-showcase-title {
  font-size: clamp(1.45rem, 2.3vw, 1.95rem);
  font-weight: 750;
  line-height: 1.2;
  letter-spacing: -0.03em;
  color: #0f172a;
  margin: 0 0 12px;
}

.sol-showcase-desc {
  font-size: 0.96rem;
  line-height: 1.62;
  color: #64748b;
  margin: 0 0 24px;
  max-width: 540px;
}

/* 2-Column Features Checklist */
.sol-showcase-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px 24px;
  width: 100%;
  margin-bottom: 0;
}

.sol-feat-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  font-weight: 600;
  color: #334155;
  line-height: 1.35;
}

.sol-feat-icon {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(16, 185, 129, 0.12);
  color: var(--lw-green-dark, #059669);
  border-radius: 50%;
}

.sol-feat-icon svg {
  width: 14px;
  height: 14px;
}

/* Learn more text link */
.sol-showcase-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.92rem;
  font-weight: 750;
  color: var(--lw-green-dark, #059669);
  text-decoration: none;
  transition: gap 0.2s ease, color 0.2s ease;
  margin-top: 4px;
}

.sol-showcase-link i {
  font-size: 0.95rem;
  transition: transform 0.2s ease;
}

.sol-showcase-link:hover {
  color: #047857;
  gap: 12px;
}

.sol-showcase-link:hover i {
  transform: translateX(3px);
}

/* -------------------------------------------------------------
   3. SECTION: CONNECTED OPERATIONS FROM END TO END
------------------------------------------------------------- */
.sol-connected-section {
  padding: 95px 0 105px;
  background-color: #010e11;
  color: #ffffff;
  position: relative;
  overflow: hidden;
}

.sol-connected-grid {
  display: grid;
  grid-template-columns: 1.05fr 1.35fr 1fr;
  gap: 48px;
  align-items: center;
}

/* Left column */
.sol-connected-left .lw-hero-kicker {
  font-size: 0.72rem;
  font-weight: 750;
  letter-spacing: 0.16em;
  color: var(--lw-green);
  text-transform: uppercase;
  margin-bottom: 16px;
}

.sol-connected-left h2 {
  font-size: clamp(2rem, 3.4vw, 2.9rem);
  font-weight: 750;
  line-height: 1.12;
  letter-spacing: -0.04em;
  color: #ffffff;
  margin: 0 0 20px;
}

.sol-connected-left p {
  font-size: 0.94rem;
  line-height: 1.65;
  color: #94a3b8;
  margin: 0 0 32px;
}

/* Center column: Orbital Diagram */
.sol-orbit-diagram {
  position: relative;
  width: 100%;
  max-width: 440px;
  aspect-ratio: 1 / 1;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sol-orbit-ring {
  position: absolute;
  top: 10%;
  left: 10%;
  width: 80%;
  height: 80%;
  border-radius: 50%;
  border: 1.5px dashed rgba(16, 185, 129, 0.35);
  box-shadow: 0 0 40px rgba(16, 185, 129, 0.08);
}

.sol-orbit-center {
  position: relative;
  z-index: 2;
  text-align: center;
  background: radial-gradient(circle, rgba(4, 20, 22, 0.95) 0%, rgba(1, 14, 17, 0.8) 70%);
  padding: 24px 20px;
  border-radius: 50%;
  width: 170px;
  height: 170px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(16, 185, 129, 0.3);
  box-shadow: 0 0 30px rgba(0, 208, 126, 0.12);
}

.sol-orbit-center-brand {
  font-size: 0.95rem;
  font-weight: 850;
  letter-spacing: 0.08em;
  color: var(--lw-green);
  line-height: 1;
  margin-bottom: 6px;
}

.sol-orbit-center-sub {
  font-size: 0.72rem;
  font-weight: 600;
  color: #ffffff;
  line-height: 1.25;
}

.sol-orbit-center-results {
  font-size: 0.62rem;
  color: #64748b;
  margin-top: 3px;
}

/* Nodes on the ring */
.sol-orbit-node {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  z-index: 3;
  text-align: center;
}

.sol-orbit-node-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #041416;
  border: 1.5px solid rgba(16, 185, 129, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--lw-green);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.4);
  font-size: 1.15rem;
}

.sol-orbit-node span {
  font-size: 0.78rem;
  font-weight: 650;
  color: #ffffff;
  white-space: nowrap;
}

.sol-node-top {
  top: 2%;
  left: 50%;
  transform: translateX(-50%);
}

.sol-node-left {
  top: 50%;
  left: 0%;
  transform: translateY(-50%);
}

.sol-node-right {
  top: 50%;
  right: 0%;
  transform: translateY(-50%);
}

.sol-node-bottom {
  bottom: 2%;
  left: 50%;
  transform: translateX(-50%);
}

/* Right column: 3 Benefit Pillars */
.sol-benefits-stack {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.sol-benefit-item {
  display: flex;
  gap: 18px;
  align-items: flex-start;
}

.sol-benefit-icon {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--lw-green);
  font-size: 1.45rem;
  flex-shrink: 0;
}

.sol-benefit-copy h4 {
  font-size: 1.02rem;
  font-weight: 750;
  color: #ffffff;
  margin: 0 0 5px;
}

.sol-benefit-copy p {
  font-size: 0.84rem;
  line-height: 1.55;
  color: #94a3b8;
  margin: 0;
}

/* -------------------------------------------------------------
   6. RESPONSIVE BREAKPOINTS
------------------------------------------------------------- */
@media (max-width: 1080px) {
  .sol-connected-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 960px) {
  .sol-showcase-item {
    grid-template-columns: 1fr;
    gap: 28px;
    padding-bottom: 40px;
  }
  .sol-filter-tabs {
    gap: 24px;
    margin-bottom: 36px;
  }
}

@media (max-width: 860px) {
  .sol-hero-bg {
    width: var(--gw-hero-bg-width, 85%);
    opacity: 0.65;
  }
  .sol-areas-header {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}

@media (max-width: 580px) {
  .sol-showcase-features {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .sol-showcase-media {
    aspect-ratio: 4 / 3;
  }
}