/* ============================================
   Greenvix — Apple-inspired Minimal Green Theme
   ============================================ */

:root {
  --white: #ffffff;
  --black: #1d1d1f;
  --gray: #6e6e73;
  --light-bg: #f5f5f7;
  --green: #22c55e;
  --green-dark: #16a34a;
  --green-light: rgba(34, 197, 94, 0.08);
  --radius: 16px;
  --radius-sm: 10px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body {
  font-family: var(--font);
  color: var(--black);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ============================================
   Scroll-driven Animations
   ============================================ */

.fade-in {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.slide-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
}
.slide-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.slide-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
}
.slide-right.visible {
  opacity: 1;
  transform: translateX(0);
}

.scale-in {
  opacity: 0;
  transform: scale(0.85);
  transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
}
.scale-in.visible {
  opacity: 1;
  transform: scale(1);
}

.blur-in {
  opacity: 0;
  filter: blur(10px);
  transform: translateY(20px);
  transition: opacity 0.9s ease, filter 0.9s ease, transform 0.9s ease;
}
.blur-in.visible {
  opacity: 1;
  filter: blur(0);
  transform: translateY(0);
}

/* ============================================
   Scroll Progress Bar
   ============================================ */

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--green), var(--green-dark));
  z-index: 1001;
  width: 0%;
  transition: none;
}

/* ============================================
   Navigation
   ============================================ */

.navbar {
  position: fixed;
  top: 3px;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0 24px;
  transition: background var(--transition), box-shadow var(--transition), top var(--transition);
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.08);
}

.nav-container {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--black);
  font-weight: 600;
  font-size: 18px;
  letter-spacing: -0.02em;
}

.logo-img {
  border-radius: 6px;
  object-fit: contain;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--gray);
  font-size: 14px;
  font-weight: 500;
  transition: color var(--transition);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--green);
  border-radius: 1px;
  transition: width 0.3s ease;
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-links a:hover {
  color: var(--black);
}

.nav-cta {
  background: var(--green);
  color: var(--white) !important;
  padding: 8px 20px;
  border-radius: 20px;
  font-size: 14px;
  transition: background var(--transition), transform var(--transition) !important;
}

.nav-cta::after {
  display: none !important;
}

.nav-cta:hover {
  background: var(--green-dark) !important;
  color: var(--white) !important;
  transform: scale(1.04);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--black);
  border-radius: 2px;
  transition: var(--transition);
}

/* ============================================
   Hero
   ============================================ */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 24px 80px;
  overflow: hidden;
}

.hero-particles {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.hero-gradient {
  position: absolute;
  top: -40%;
  left: 50%;
  transform: translateX(-50%);
  width: min(900px, 100vw);
  height: min(900px, 100vw);
  background: radial-gradient(circle, rgba(34, 197, 94, 0.12) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
  animation: pulseGlow 6s ease-in-out infinite;
}

@keyframes pulseGlow {
  0%, 100% { transform: translateX(-50%) scale(1); opacity: 1; }
  50% { transform: translateX(-50%) scale(1.15); opacity: 0.7; }
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero-label {
  display: inline-block;
  font-size: 14px;
  font-weight: 500;
  color: var(--green);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 16px;
  opacity: 0;
  animation: heroFadeUp 0.8s 0.2s forwards;
}

.hero-title {
  font-size: clamp(40px, 7vw, 72px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.08;
  margin-bottom: 24px;
  color: var(--black);
  opacity: 0;
  animation: heroFadeUp 0.8s 0.4s forwards;
}

.hero-title .word {
  display: inline-block;
  opacity: 0;
  transform: translateY(30px);
  animation: wordReveal 0.6s forwards;
}

@keyframes wordReveal {
  to { opacity: 1; transform: translateY(0); }
}

.hero-subtitle {
  font-size: clamp(16px, 2.2vw, 20px);
  color: var(--gray);
  max-width: 600px;
  margin: 0 auto 40px;
  line-height: 1.6;
  opacity: 0;
  animation: heroFadeUp 0.8s 0.6s forwards;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  opacity: 0;
  animation: heroFadeUp 0.8s 0.8s forwards;
}

@keyframes heroFadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============================================
   Buttons
   ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  border-radius: 30px;
  font-size: 16px;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  font-family: var(--font);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at var(--mx, 50%) var(--my, 50%), rgba(255,255,255,0.25) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.3s;
}

.btn:hover::before {
  opacity: 1;
}

.btn-primary {
  background: var(--green);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--green-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(34, 197, 94, 0.3);
}

.btn-secondary {
  background: transparent;
  color: var(--green);
  border: 1.5px solid var(--green);
}

.btn-secondary:hover {
  background: var(--green-light);
  transform: translateY(-2px);
}

.btn-full {
  width: 100%;
}

/* ============================================
   Metrics
   ============================================ */

.metrics {
  padding: 80px 0;
  background: var(--light-bg);
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}

.metric-item {
  padding: 24px;
}

.metric-number {
  font-size: 56px;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--black);
  line-height: 1;
}

.metric-plus, .metric-suffix {
  font-size: 32px;
  font-weight: 600;
  color: var(--green);
}

.metric-label {
  margin-top: 8px;
  font-size: 14px;
  color: var(--gray);
  font-weight: 500;
}

/* ============================================
   Section Headers
   ============================================ */

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--green);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.12;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 17px;
  color: var(--gray);
  max-width: 580px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ============================================
   Solutions
   ============================================ */

.solutions {
  padding: 120px 0;
}

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.solution-card {
  background: var(--light-bg);
  border-radius: var(--radius);
  padding: 40px 32px;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform;
}

.solution-card:hover {
  transform: translateY(-6px) scale(1.01);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.08);
}

.solution-icon {
  margin-bottom: 20px;
  transition: transform 0.4s ease;
}

.solution-card:hover .solution-icon {
  transform: scale(1.1) rotate(-3deg);
}

.solution-title {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.solution-desc {
  font-size: 15px;
  color: var(--gray);
  line-height: 1.6;
}

/* Wide solution card (5th — Mobile Solar Container) */
.solution-card--wide {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 32px;
  row-gap: 0;
  padding: 36px 40px;
}

.solution-card--wide .solution-icon {
  grid-column: 1;
  grid-row: 1 / -1;
  align-self: center;
  margin-bottom: 0;
  flex-shrink: 0;
  transition: transform 0.4s ease;
}

.solution-card--wide:hover .solution-icon {
  transform: scale(1.06) rotate(-3deg);
}

.solution-card--wide .solution-title,
.solution-card--wide .solution-desc,
.solution-card--wide .solution-tags {
  grid-column: 2;
}

.solution-card--wide .solution-title {
  font-size: 24px;
  margin-bottom: 8px;
}

.solution-card--wide .solution-desc {
  max-width: 640px;
  font-size: 15px;
}

.solution-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.solution-tag {
  display: inline-flex;
  align-items: center;
  font-size: 12px;
  font-weight: 500;
  color: var(--gray);
  background: var(--white);
  border: 1px solid #e5e5e5;
  padding: 5px 12px;
  border-radius: 20px;
  letter-spacing: 0.01em;
  transition: border-color var(--transition), color var(--transition), background var(--transition);
}

.solution-tag:hover {
  border-color: var(--green);
  color: var(--black);
}

.solution-tag--accent {
  background: var(--green-light);
  border-color: rgba(34, 197, 94, 0.25);
  color: var(--green-dark);
  font-weight: 600;
}

.solution-tag--accent:hover {
  background: rgba(34, 197, 94, 0.14);
  color: var(--green-dark);
}

/* ============================================
   C&I Section
   ============================================ */

.ci-section {
  padding: 120px 0;
  background: var(--light-bg);
}

.ci-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.ci-desc {
  font-size: 17px;
  color: var(--gray);
  line-height: 1.6;
  margin-bottom: 24px;
}

.ci-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.ci-list li {
  font-size: 15px;
  color: var(--black);
  padding-left: 20px;
  position: relative;
  opacity: 0;
  transform: translateX(-15px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.ci-layout.visible .ci-list li {
  opacity: 1;
  transform: translateX(0);
}

.ci-list li:nth-child(1) { transition-delay: 0.1s; }
.ci-list li:nth-child(2) { transition-delay: 0.2s; }
.ci-list li:nth-child(3) { transition-delay: 0.3s; }
.ci-list li:nth-child(4) { transition-delay: 0.4s; }
.ci-list li:nth-child(5) { transition-delay: 0.5s; }

.ci-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 8px;
  height: 8px;
  background: var(--green);
  border-radius: 50%;
}

.ci-visual {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.ci-card {
  background: var(--white);
  border-radius: var(--radius-sm);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 14px;
  font-weight: 500;
  color: var(--black);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.ci-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
}

.ci-card-icon {
  width: 40px;
  height: 40px;
  background: var(--green-light);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease, background 0.3s ease;
}

.ci-card:hover .ci-card-icon {
  transform: rotate(-8deg) scale(1.1);
  background: rgba(34, 197, 94, 0.15);
}

/* ============================================
   Technology (VPP + Hardware)
   ============================================ */

.vpp {
  padding: 120px 0;
}

.tech-subsection {
  max-width: 720px;
  margin: 0 auto 40px;
}

.tech-subsection-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 12px;
}

.tech-subsection-icon {
  width: 44px;
  height: 44px;
  background: var(--green-light);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.tech-subsection-title {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.tech-subsection-desc {
  font-size: 15px;
  color: var(--gray);
  line-height: 1.6;
  padding-left: 58px;
}

/* Dashboard Gallery */
.dashboard-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 48px;
}

.dashboard-img {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--light-bg);
  border: 1px solid #e5e5e5;
  cursor: pointer;
  height: 220px;
  transition: height 0.5s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.dashboard-img.expanded,
.dashboard-img:hover {
  height: var(--full-height, 500px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.12);
}

.dashboard-img.expanded .dashboard-label,
.dashboard-img:hover .dashboard-label {
  opacity: 0;
}

.dashboard-img > img {
  width: 100%;
  height: auto;
  object-fit: contain;
  display: block;
}

.dashboard-label {
  position: absolute;
  bottom: 12px;
  left: 12px;
  font-size: 12px;
  font-weight: 600;
  color: var(--white);
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: 4px 12px;
  border-radius: 20px;
  letter-spacing: 0.02em;
  pointer-events: none;
  z-index: 2;
  transition: opacity 0.3s ease;
}

.dashboard-overlay {
  display: none;
}

/* Hardware Grid */
.hardware-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 40px;
}

.hardware-card {
  background: var(--light-bg);
  border-radius: var(--radius);
  padding: 32px;
  display: flex;
  gap: 28px;
  align-items: flex-start;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.hardware-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.08);
}

.hardware-img-wrap {
  width: 210px;
  height: 240px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(145deg, #eef1f5 0%, #e2e6ec 100%);
  border-radius: var(--radius-sm);
  padding: 16px;
  border: 1px solid rgba(0, 0, 0, 0.04);
}

.hardware-img-wrap img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.hardware-info h4 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 4px;
  letter-spacing: -0.01em;
}

.hardware-model {
  font-size: 13px;
  color: var(--green);
  font-weight: 500;
  margin-bottom: 12px;
}

.hardware-specs {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.hardware-specs li {
  font-size: 13px;
  color: var(--gray);
  line-height: 1.5;
  padding-left: 16px;
  position: relative;
}

.hardware-specs li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 7px;
  width: 5px;
  height: 5px;
  background: var(--green);
  border-radius: 50%;
}

.vpp-layers {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 24px;
  position: relative;
}

.vpp-layers::before {
  content: '';
  position: absolute;
  left: 32px;
  top: 50px;
  bottom: 50px;
  width: 2px;
  background: linear-gradient(to bottom, var(--green), rgba(34, 197, 94, 0.1));
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.vpp-layers.line-visible::before {
  transform: scaleY(1);
}

.vpp-layer {
  display: flex;
  gap: 32px;
  align-items: flex-start;
  padding: 32px;
  background: var(--light-bg);
  border-radius: var(--radius);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.4s cubic-bezier(0.16, 1, 0.3, 1),
              border-color 0.3s ease;
  border: 1.5px solid transparent;
}

.vpp-layer:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.06);
  border-color: var(--green);
}

.vpp-layer-number {
  font-size: 48px;
  font-weight: 700;
  color: var(--green);
  opacity: 0.3;
  line-height: 1;
  flex-shrink: 0;
  min-width: 64px;
  transition: opacity 0.3s ease;
}

.vpp-layer:hover .vpp-layer-number {
  opacity: 0.6;
}

.vpp-layer-content h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 8px;
}

.vpp-layer-content p {
  font-size: 15px;
  color: var(--gray);
  line-height: 1.6;
}

/* Mobile Solar Container Showcase — full width to match description below, scaled-down heights */
.container-showcase {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 16px;
  margin-top: 40px;
}

.container-showcase-hero {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: #1d1d1f;
  min-height: 285px;
  cursor: pointer;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.container-showcase-hero:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.12);
}

.container-showcase-hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.container-showcase-hero:hover img {
  transform: scale(1.05);
}

.container-hero-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.6) 0%, rgba(0, 0, 0, 0.1) 50%, transparent 100%);
  color: var(--white);
}

.container-hero-tag {
  display: inline-block;
  width: fit-content;
  background: rgba(34, 197, 94, 0.95);
  color: var(--white);
  font-size: 10px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 20px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 9px;
}

.container-hero-overlay h4 {
  font-size: clamp(17px, 1.9vw, 23px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.container-showcase-grid {
  display: grid;
  grid-template-rows: 1fr 1fr;
  gap: 16px;
}

.container-showcase-img {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--light-bg);
  min-height: 135px;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.container-showcase-img:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.10);
}

.container-showcase-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.container-showcase-img:hover img {
  transform: scale(1.06);
}

.container-img-label {
  position: absolute;
  bottom: 9px;
  left: 9px;
  font-size: 11px;
  font-weight: 600;
  color: var(--white);
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: 3px 10px;
  border-radius: 20px;
  letter-spacing: 0.02em;
}

.container-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 32px;
}

.container-feature {
  background: var(--light-bg);
  border-radius: var(--radius-sm);
  padding: 24px;
  border: 1px solid transparent;
  transition: border-color 0.3s ease, background 0.3s ease, transform 0.3s ease;
}

.container-feature:hover {
  border-color: rgba(34, 197, 94, 0.25);
  background: linear-gradient(135deg, var(--light-bg) 0%, rgba(34, 197, 94, 0.06) 100%);
  transform: translateY(-3px);
}

.container-feature-icon {
  width: 44px;
  height: 44px;
  background: var(--green-light);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
  transition: transform 0.3s ease;
}

.container-feature:hover .container-feature-icon {
  transform: scale(1.08) rotate(-4deg);
}

.container-feature h5 {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 4px;
}

.container-feature p {
  font-size: 13px;
  color: var(--gray);
  line-height: 1.55;
}

/* ============================================
   Projects
   ============================================ */

.projects {
  padding: 120px 0;
  background: var(--light-bg);
}

.projects-showcase {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.project-showcase-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform;
}

.project-showcase-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.08);
}

.project-showcase-images {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  background: #e5e5e5;
}

.project-showcase-images img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.project-showcase-card:hover .project-showcase-images img {
  transform: scale(1.04);
}

.project-showcase-body {
  padding: 28px 32px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.project-showcase-body--full {
  padding: 40px 32px;
}

.project-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: var(--green);
  background: var(--green-light);
  padding: 4px 12px;
  border-radius: 20px;
  width: fit-content;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.project-showcase-body h3 {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.project-showcase-body p {
  font-size: 14px;
  color: var(--gray);
  line-height: 1.6;
}

.project-year {
  font-size: 13px;
  color: var(--gray);
  font-weight: 500;
}

/* Full-width project rows */
.project-showcase-card--flagship,
.project-showcase-card--span {
  grid-column: 1 / -1;
}

.flagship-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.25fr);
  gap: 0;
  align-items: stretch;
}

.flagship-info {
  padding: 36px 36px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  justify-content: center;
  border-right: 1px solid #ececec;
}

.flagship-info h3 {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.25;
}

.flagship-info p {
  font-size: 14px;
  color: var(--gray);
  line-height: 1.6;
}

.flagship-clients {
  padding: 32px 36px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: linear-gradient(135deg, var(--white) 0%, rgba(34, 197, 94, 0.03) 100%);
}

.flagship-clients-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--green);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.flagship-clients-sub {
  font-size: 13px;
  color: var(--gray);
  line-height: 1.55;
  margin-top: -4px;
}

.flagship-clients-rows {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 4px;
}

.flagship-clients-row {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flagship-clients-row img {
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: contain;
  display: block;
}

/* ============================================
   Advantages
   ============================================ */

.advantages {
  padding: 120px 0;
}

.advantages-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.advantage-item {
  text-align: center;
  padding: 24px;
  border-radius: var(--radius);
  transition: background 0.3s ease;
}

.advantage-item:hover {
  background: var(--light-bg);
}

.advantage-icon {
  width: 56px;
  height: 56px;
  background: var(--green-light);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1),
              background 0.3s ease;
}

.advantage-item:hover .advantage-icon {
  transform: scale(1.12) rotate(-5deg);
  background: rgba(34, 197, 94, 0.15);
}

.advantage-item h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

.advantage-item p {
  font-size: 14px;
  color: var(--gray);
  line-height: 1.6;
}

/* Partner & Platform enriched cards */
.advantage-item--partners,
.advantage-item--platform {
  background: linear-gradient(135deg, var(--light-bg) 0%, rgba(34, 197, 94, 0.04) 100%);
  border: 1.5px solid rgba(34, 197, 94, 0.15);
}

.advantage-item--partners:hover,
.advantage-item--platform:hover {
  border-color: rgba(34, 197, 94, 0.3);
}

/* Tinted background for bottom-row advantage items */
.advantage-item--tinted {
  background: linear-gradient(135deg, var(--light-bg) 0%, rgba(34, 197, 94, 0.04) 100%);
  border: 1.5px solid rgba(34, 197, 94, 0.15);
}

.advantage-item--tinted:hover {
  border-color: rgba(34, 197, 94, 0.3);
}


/* Lytran feature highlight */
.advantage-item--lytran .lytran-feature {
  margin-top: 16px;
  padding: 14px;
  background: var(--white);
  border: 1.5px solid rgba(34, 197, 94, 0.25);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: 14px;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.advantage-item--lytran .lytran-feature:hover {
  border-color: var(--green);
  box-shadow: 0 8px 24px rgba(34, 197, 94, 0.10);
}

.lytran-logo-wrap {
  width: 70px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.lytran-logo-wrap img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.lytran-feature-meta {
  display: flex;
  flex-direction: column;
  gap: 2px;
  text-align: left;
}

.lytran-tag {
  font-size: 11px;
  font-weight: 600;
  color: var(--green-dark);
  background: var(--green-light);
  padding: 2px 8px;
  border-radius: 10px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  width: fit-content;
}

.lytran-desc {
  font-size: 12px;
  color: var(--gray);
  font-weight: 500;
}

/* Platform capabilities (Integrated Platform) */
.platform-capabilities {
  margin-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.platform-cap {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  background: var(--white);
  border-radius: 8px;
  border: 1px solid #e8e8e8;
  width: 100%;
  min-width: 0;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.platform-cap:hover {
  border-color: var(--green);
  box-shadow: 0 4px 12px rgba(34, 197, 94, 0.08);
}

.platform-cap svg {
  flex-shrink: 0;
  width: 14px;
  height: 14px;
}

.platform-cap span {
  font-size: 11px;
  color: var(--gray);
  line-height: 1.3;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
  min-width: 0;
}

.platform-cap--secondary {
  background: transparent;
  border: 1px dashed #d4d4d4;
  opacity: 0.85;
}

.platform-cap--secondary span {
  font-size: 11px;
}

/* Academic Partnership — researcher cards */
.advantage-item--academic {
  background: linear-gradient(135deg, var(--light-bg) 0%, rgba(34, 197, 94, 0.04) 100%);
  border: 1.5px solid rgba(34, 197, 94, 0.15);
}

.advantage-item--academic:hover {
  border-color: rgba(34, 197, 94, 0.3);
}

.academic-researchers {
  margin-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.researcher-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  background: var(--white);
  border-radius: var(--radius-sm);
  text-decoration: none;
  border: 1px solid #e8e8e8;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.researcher-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(34, 197, 94, 0.12);
  border-color: var(--green);
}

.researcher-icon {
  width: 36px;
  height: 36px;
  background: var(--green);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.researcher-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
  min-width: 0;
}

.researcher-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--black);
  line-height: 1.3;
}

.researcher-field {
  font-size: 11px;
  color: var(--gray);
  line-height: 1.3;
}

.researcher-arrow {
  flex-shrink: 0;
  opacity: 0;
  transform: translate(-4px, 4px);
  transition: opacity var(--transition), transform var(--transition);
}

.researcher-card:hover .researcher-arrow {
  opacity: 1;
  transform: translate(0, 0);
}

/* ============================================
   Global Suppliers (under Why Greenvix)
   ============================================ */

.suppliers-block {
  margin-top: 96px;
  padding-top: 64px;
  border-top: 1px solid #e5e5e5;
}

.suppliers-header {
  text-align: center;
  margin-bottom: 48px;
}

.suppliers-title {
  font-size: clamp(26px, 3.5vw, 36px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 12px;
}

.suppliers-subtitle {
  font-size: 16px;
  color: var(--gray);
  max-width: 620px;
  margin: 0 auto;
  line-height: 1.6;
}

.suppliers-category {
  margin-bottom: 36px;
}

.suppliers-category:last-child {
  margin-bottom: 0;
}

.suppliers-category-label {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid #ececec;
}

.suppliers-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  flex-shrink: 0;
}

.suppliers-category-label span:last-child {
  font-size: 13px;
  font-weight: 600;
  color: var(--black);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.suppliers-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.suppliers-grid--five {
  grid-template-columns: repeat(5, 1fr);
}

.supplier-logo {
  height: 90px;
  background: var(--white);
  border: 1px solid #ececec;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px 22px;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.supplier-logo:hover {
  border-color: rgba(34, 197, 94, 0.4);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
  transform: translateY(-3px);
}

.supplier-logo img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  filter: grayscale(0%);
  transition: filter var(--transition);
}

/* ============================================
   Vision
   ============================================ */

.vision {
  padding: 120px 0;
  background: var(--black);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.vision::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(34, 197, 94, 0.08) 0%, transparent 70%);
  animation: floatOrb 12s ease-in-out infinite;
}

.vision::after {
  content: '';
  position: absolute;
  bottom: -30%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(34, 197, 94, 0.06) 0%, transparent 70%);
  animation: floatOrb 10s ease-in-out infinite reverse;
}

@keyframes floatOrb {
  0%, 100% { transform: translate(0, 0); }
  33% { transform: translate(30px, -20px); }
  66% { transform: translate(-20px, 15px); }
}

.vision .section-label {
  color: var(--green);
}

.vision-content {
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.vision-title {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 48px;
  background: linear-gradient(135deg, var(--white), var(--green));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.vision-pillars {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 48px;
}

.vision-pillar {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  padding: 20px 12px;
  transition: border-color 0.3s ease, background 0.3s ease, transform 0.3s ease;
}

.vision-pillar:hover {
  border-color: var(--green);
  background: rgba(34, 197, 94, 0.08);
  transform: translateY(-3px);
}

.vision-pillar span {
  font-size: 14px;
  font-weight: 500;
  color: var(--green);
}

.vision-text {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.6;
}

/* ============================================
   Contact
   ============================================ */

.contact {
  padding: 120px 0;
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.contact-desc {
  font-size: 17px;
  color: var(--gray);
  margin-bottom: 32px;
  line-height: 1.6;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-detail {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: var(--gray);
}

/* Contact people cards */
.contact-people {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 28px;
}

.contact-person {
  background: var(--light-bg);
  border: 1px solid transparent;
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  gap: 14px;
  align-items: flex-start;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.contact-person:hover {
  border-color: rgba(34, 197, 94, 0.3);
  box-shadow: 0 8px 24px rgba(34, 197, 94, 0.10);
  transform: translateY(-2px);
}

.contact-person-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--green) 0%, var(--green-dark) 100%);
  color: var(--white);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(34, 197, 94, 0.25);
}

.contact-person-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
  flex: 1;
}

.contact-person-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--black);
  letter-spacing: -0.01em;
  margin-bottom: 2px;
}

.contact-person-line {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--gray);
  text-decoration: none;
  transition: color var(--transition);
  min-width: 0;
}

.contact-person-line span {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.contact-person-line:hover {
  color: var(--green);
}

.contact-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, #e5e5e5, transparent);
  margin-bottom: 20px;
}

.contact-meta {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.enquiry-form {
  background: var(--light-bg);
  border-radius: var(--radius);
  padding: 40px;
  transition: box-shadow 0.3s ease;
}

.enquiry-form:focus-within {
  box-shadow: 0 8px 32px rgba(34, 197, 94, 0.08);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--black);
  margin-bottom: 6px;
  transition: color 0.3s ease;
}

.form-group:focus-within label {
  color: var(--green);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid #e5e5e5;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-family: var(--font);
  color: var(--black);
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition), transform 0.2s ease;
  outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #a1a1aa;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.1);
  transform: translateY(-1px);
}

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

.form-status {
  margin-top: 16px;
  font-size: 14px;
  font-weight: 500;
  min-height: 20px;
}

.form-status.success {
  color: var(--green);
  animation: statusPop 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.form-status.error {
  color: #ef4444;
  animation: statusPop 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes statusPop {
  0% { opacity: 0; transform: translateY(8px); }
  100% { opacity: 1; transform: translateY(0); }
}

/* ============================================
   Footer
   ============================================ */

.footer {
  padding: 32px 0;
  border-top: 1px solid #e5e5e5;
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 15px;
}

.footer-copy {
  font-size: 13px;
  color: var(--gray);
}

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 1024px) {
  .solutions-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .projects-showcase {
    grid-template-columns: repeat(2, 1fr);
  }
  .advantages-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .hardware-grid {
    grid-template-columns: 1fr;
  }
  .dashboard-gallery {
    grid-template-columns: repeat(2, 1fr);
  }
  .container-features {
    grid-template-columns: repeat(2, 1fr);
  }
  .suppliers-grid,
  .suppliers-grid--five {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 24px;
    gap: 20px;
    transform: translateY(-120%);
    transition: transform var(--transition);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  }

  .nav-links.active {
    transform: translateY(0);
  }

  .nav-links a::after {
    display: none;
  }

  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .metric-number {
    font-size: 40px;
  }

  .solutions-grid {
    grid-template-columns: 1fr;
  }

  .ci-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .ci-visual {
    grid-template-columns: 1fr 1fr;
  }

  .projects-showcase {
    grid-template-columns: 1fr;
  }

  .project-showcase-images img {
    height: 160px;
  }

  .advantages-grid {
    grid-template-columns: 1fr;
  }

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

  .dashboard-gallery {
    grid-template-columns: 1fr;
  }

  .dashboard-img {
    height: 160px;
  }

  .dashboard-img:hover {
    height: 160px;
    box-shadow: none;
  }

  .dashboard-img.expanded {
    height: var(--full-height, 400px);
    max-height: 70vh;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.12);
  }

  .hardware-card {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .hardware-specs li {
    text-align: left;
  }

  .tech-subsection-desc {
    padding-left: 0;
  }

  .contact-layout {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .contact-people {
    grid-template-columns: 1fr;
  }

  .solution-card--wide {
    grid-template-columns: 1fr;
    text-align: left;
    padding: 32px;
    row-gap: 8px;
  }

  .solution-card--wide .solution-icon {
    grid-row: auto;
    margin-bottom: 12px;
  }

  .solution-card--wide .solution-title,
  .solution-card--wide .solution-desc,
  .solution-card--wide .solution-tags {
    grid-column: 1;
  }

  .container-showcase {
    grid-template-columns: 1fr;
  }

  .container-showcase-hero {
    min-height: 200px;
  }

  .container-showcase-grid {
    grid-template-rows: auto;
    grid-template-columns: 1fr 1fr;
  }

  .container-showcase-img {
    min-height: 120px;
  }

  .container-features {
    grid-template-columns: 1fr;
  }

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

  .flagship-layout {
    grid-template-columns: 1fr;
  }

  .flagship-info {
    border-right: none;
    border-bottom: 1px solid #ececec;
    padding: 28px;
  }

  .flagship-clients {
    padding: 24px 28px 28px;
  }

  .footer-content {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .hero {
    min-height: auto;
    padding: 140px 24px 80px;
  }

  .vpp-layers::before {
    display: none;
  }
}

@media (max-width: 480px) {
  .metrics-grid {
    grid-template-columns: 1fr 1fr;
  }

  .ci-visual {
    grid-template-columns: 1fr;
  }

  .vision-pillars {
    grid-template-columns: 1fr 1fr;
  }

  .enquiry-form {
    padding: 24px;
  }
}