/* =========================================================
   Solar Energy — single page site
   Palette: Emerald #087F5B · Navy #0B1F2A · Mint #E8F7EF · Gold #E8A317
   ========================================================= */

:root {
  --emerald: #087F5B;
  --emerald-600: #0A9A6E;
  --emerald-300: #5FCB9F;
  --navy: #0B1F2A;
  --navy-800: #12303F;
  --mint: #E8F7EF;
  --mint-soft: #F4FBF7;
  --gold: #E8A317;
  --gold-soft: #FFF5DD;
  --white: #FFFFFF;
  --ink: #1C3240;
  --muted: #5A6B74;
  --line: #E1ECE6;

  --font-head: "Plus Jakarta Sans", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
  --font-accent: "Fraunces", Georgia, serif;

  --radius: 18px;
  --radius-sm: 12px;
  --shadow-sm: 0 2px 8px rgba(11, 31, 42, .05);
  --shadow: 0 10px 30px -12px rgba(11, 31, 42, .16);
  --shadow-lg: 0 30px 60px -24px rgba(11, 31, 42, .28);
  --ease: cubic-bezier(.22, .8, .24, 1);
  --nav-h: 76px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) - 1px);
  overflow-x: clip;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

ul,
ol {
  list-style: none;
}

button {
  font: inherit;
  cursor: pointer;
  border: 0;
  background: none;
  color: inherit;
}

svg {
  width: 1em;
  height: 1em;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex-shrink: 0;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-head);
  color: var(--navy);
  line-height: 1.15;
  letter-spacing: -.02em;
  text-wrap: balance;
}

h1 {
  font-size: clamp(2.3rem, 5vw, 3.9rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -.025em;
}

h2 {
  font-size: clamp(1.8rem, 3.4vw, 2.6rem);
  font-weight: 700;
  line-height: 1.14;
  letter-spacing: -.022em;
}

h3 {
  font-size: 1.15rem;
  font-weight: 650;
  letter-spacing: -.015em;
}

h4 {
  font-size: 1rem;
  font-weight: 700;
}

.container {
  width: 100%;
  max-width: 1220px;
  margin: 0 auto;
  padding: 0 24px;
}

.text-grad {
  background: linear-gradient(100deg, var(--emerald) 0%, var(--emerald-600) 55%, #2FB37F 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.text-gold {
  color: var(--gold);
}

/* ---------- Eyebrow ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-head);
  font-size: .76rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--emerald);
  margin-bottom: 14px;
}

.eyebrow::after {
  content: "";
  width: 44px;
  height: 1.5px;
  background: currentColor;
  opacity: .5;
}

.center .eyebrow::before {
  content: "";
  width: 44px;
  height: 1.5px;
  background: currentColor;
  opacity: .5;
}

.eyebrow.light,
.light .eyebrow {
  color: var(--emerald-300);
}

.eyebrow .sep {
  opacity: .4;
}

.eyebrow .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 4px rgba(232, 163, 23, .2);
  animation: pulse 2.4s infinite;
}

.hero .eyebrow::after {
  display: none;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 22px;
  border-radius: 999px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: .95rem;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), background .3s, color .3s;
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn svg {
  transition: transform .35s var(--ease);
}

.btn:hover svg {
  transform: translateX(4px);
}

.btn-lg {
  padding: 16px 30px;
  font-size: 1rem;
}

.btn-block {
  width: 100%;
}

.btn-primary {
  background: var(--emerald);
  color: var(--white);
  box-shadow: 0 10px 24px -10px rgba(8, 127, 91, .7);
}

.btn-primary::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, transparent 30%, rgba(255, 255, 255, .28) 50%, transparent 70%);
  transform: translateX(-120%);
  transition: transform .8s var(--ease);
}

.btn-primary:hover {
  transform: translateY(-2px);
  background: #066B4C;
  box-shadow: 0 16px 30px -12px rgba(8, 127, 91, .8);
}

.btn-primary:hover::before {
  transform: translateX(120%);
}

.btn-ghost {
  background: rgba(255, 255, 255, .7);
  color: var(--navy);
  border: 1.5px solid rgba(11, 31, 42, .14);
  backdrop-filter: blur(6px);
}

.btn-ghost:hover {
  border-color: var(--emerald);
  color: var(--emerald);
  transform: translateY(-2px);
}

.link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: .92rem;
  color: var(--emerald);
}

.link svg {
  transition: transform .3s var(--ease);
}

.link:hover svg {
  transform: translateX(5px);
}

/* ---------- Icon boxes ---------- */
.icon-box {
  display: inline-grid;
  place-items: center;
  width: 54px;
  height: 54px;
  border-radius: 16px;
  background: var(--mint);
  color: var(--emerald);
  font-size: 24px;
  transition: transform .4s var(--ease), background .3s, color .3s;
}

.icon-box {
  flex-shrink: 0;
}

.impact .text-grad,
.section-head.light .text-grad {
  background-image: linear-gradient(100deg, var(--emerald-300), #9BE3C2);
}

.icon-box.sm {
  width: 46px;
  height: 46px;
  font-size: 21px;
  border-radius: 14px;
}

.icon-box.lg {
  width: 64px;
  height: 64px;
  font-size: 28px;
  border-radius: 18px;
}

.icon-box.warn {
  background: var(--gold-soft);
  color: #B87A00;
}

.checklist li {
  position: relative;
  padding-left: 30px;
  margin: 9px 0;
  color: var(--ink);
  font-size: .95rem;
}

.checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 3px;
  width: 19px;
  height: 19px;
  border-radius: 50%;
  background: var(--mint) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23087F5B' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center / 11px no-repeat;
}

/* ---------- Scroll progress ---------- */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 100%;
  z-index: 120;
  background: linear-gradient(90deg, var(--emerald), var(--gold));
  transform-origin: 0 50%;
  transform: scaleX(0);
}

/* =========================================================
   NAV
   ========================================================= */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  transition: background .4s, box-shadow .4s, height .4s;
}

.nav.scrolled {
  background: rgba(255, 255, 255, .86);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  box-shadow: 0 1px 0 var(--line), 0 10px 30px -20px rgba(11, 31, 42, .3);
  --nav-h: 68px;
}

.nav-inner {
  display: flex;
  align-items: center;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 13px;
  background: linear-gradient(135deg, var(--emerald), #0FA877);
  color: var(--white);
  font-size: 22px;
  box-shadow: 0 8px 18px -8px rgba(8, 127, 91, .8);
}

.brand-mark svg {
  animation: spin 18s linear infinite;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-text strong {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.08rem;
  color: var(--navy);
  letter-spacing: -.01em;
}

.brand-text .wordmark {
  letter-spacing: .06em;
  text-transform: uppercase;
}

.wordmark span {
  color: var(--emerald);
}

.brand.light .wordmark span {
  color: var(--emerald-300);
}

.brand-text small {
  font-size: .72rem;
  color: var(--muted);
  letter-spacing: .04em;
}

.brand.light strong {
  color: var(--white);
}

.brand.light small {
  color: rgba(255, 255, 255, .6);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}

.nav-links a:not(.btn) {
  position: relative;
  padding: 8px 13px;
  border-radius: 999px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: .93rem;
  color: var(--navy);
  transition: color .3s, background .3s;
}

.nav-links a:not(.btn)::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 3px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--emerald);
  transform: translateX(-50%) scale(0);
  transition: transform .35s var(--ease);
}

.nav-links a:not(.btn):hover {
  color: var(--emerald);
}

.nav-links a.active {
  color: var(--emerald);
}

.nav-links a.active::after {
  transform: translateX(-50%) scale(1);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  place-items: center;
  font-size: 24px;
  color: var(--navy);
  background: var(--mint);
}

.nav-toggle .ic-close {
  display: none;
}

/* =========================================================
   HERO
   ========================================================= */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: calc(var(--nav-h) + 40px) 0 70px;
  overflow: hidden;
  background: #FBFDFB;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: url("images/hero.png") right center / cover no-repeat;
  transform-origin: 100% 60%;
  animation: kenburns 24s ease-in-out infinite alternate;
  will-change: transform;
}

.hero-fade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, #FBFDFB 0%, #FBFDFB 54%, rgba(251, 253, 251, .82) 61%, rgba(251, 253, 251, .25) 74%, rgba(251, 253, 251, 0) 84%),
    linear-gradient(0deg, rgba(251, 253, 251, .9) 0%, rgba(251, 253, 251, 0) 22%);
}

.hero-glow {
  position: absolute;
  width: 720px;
  height: 720px;
  left: -220px;
  top: -200px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(232, 163, 23, .16) 0%, rgba(232, 163, 23, 0) 62%);
  animation: glow 8s ease-in-out infinite alternate;
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  right: -120px;
  bottom: -160px;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(8, 127, 91, .08), transparent 65%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 2;
}

.hero-content {
  max-width: 640px;
}

.hero h1 {
  margin: 6px 0 22px;
}

.hero .lead {
  font-size: 1.07rem;
  color: var(--muted);
  max-width: 600px;
}

.mission {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin: 26px 0 34px;
  padding: 16px 20px;
  max-width: 560px;
  background: rgba(232, 247, 239, .7);
  border-left: 3px solid var(--emerald);
  border-radius: 0 14px 14px 0;
  font-size: .98rem;
  color: var(--navy);
}

.mission svg {
  font-size: 22px;
  color: var(--emerald);
  margin-top: 2px;
}

.mission em {
  font-family: var(--font-accent);
  font-style: italic;
  font-weight: 500;
  color: var(--emerald);
  font-size: 1.08em;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.highlights {
  position: relative;
  z-index: 2;
  margin-top: 56px;
  display: grid;
  grid-template-columns: 1.25fr repeat(4, 1fr);
  background: rgba(255, 255, 255, .82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, .9);
  border-radius: 22px;
  box-shadow: var(--shadow-lg);
}

.highlights li {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 22px 22px;
  position: relative;
}

.highlights li+li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 24%;
  bottom: 24%;
  width: 1px;
  background: var(--line);
}

.highlights strong {
  display: block;
  font-family: var(--font-head);
  font-weight: 800;
  color: var(--navy);
  font-size: .98rem;
  line-height: 1.25;
}

.highlights small {
  display: block;
  color: var(--muted);
  font-size: .82rem;
  line-height: 1.35;
}

.hl-stat strong {
  font-size: 1.6rem;
  color: var(--emerald);
  letter-spacing: -.02em;
}

.hl-icon {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--mint);
  color: var(--emerald);
  font-size: 21px;
  flex-shrink: 0;
}

.hl-stat .hl-icon {
  background: var(--emerald);
  color: var(--white);
}

.scroll-cue {
  position: absolute;
  left: 50%;
  bottom: 18px;
  transform: translateX(-50%);
  z-index: 3;
  width: 26px;
  height: 42px;
  border: 2px solid rgba(11, 31, 42, .25);
  border-radius: 14px;
}

.scroll-cue span {
  position: absolute;
  left: 50%;
  top: 8px;
  width: 4px;
  height: 8px;
  margin-left: -2px;
  border-radius: 2px;
  background: var(--emerald);
  animation: scrollcue 2s infinite;
}

/* hero entrance */
.hero-anim {
  opacity: 0;
  transform: translateY(26px);
  animation: rise 1s var(--ease) forwards;
  animation-delay: var(--d, 0s);
}

/* =========================================================
   SECTIONS
   ========================================================= */
.section {
  position: relative;
  padding: 110px 0;
}

.section-mint {
  background: linear-gradient(180deg, var(--mint) 0%, var(--mint-soft) 100%);
}

.section-soft {
  background: var(--mint-soft);
}

.section-head {
  max-width: 760px;
  margin-bottom: 56px;
}

.section-head h2 {
  margin-bottom: 16px;
}

.section-head p {
  color: var(--muted);
  font-size: 1.05rem;
}

.section-head.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.product-section-head {
  margin-top: 80px;
}

.section-head.split {
  max-width: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: end;
}

.section-head .tagline {
  font-family: var(--font-accent);
  font-style: italic;
  font-size: 1.3rem;
  color: var(--emerald);
  margin-bottom: 12px;
}

.section-head.light h2 {
  color: var(--white);
}

/* ---------- About ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 80px;
  align-items: center;
}

.about-visual {
  position: relative;
  padding: 0 30px 40px 0;
}

.about-img {
  aspect-ratio: 1 / 1;
  border-radius: 28px;
  box-shadow: var(--shadow-lg);
}

.about-badge {
  position: absolute;
  right: 0;
  top: 40px;
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--white);
  padding: 14px 20px 14px 14px;
  border-radius: 18px;
  box-shadow: var(--shadow-lg);
}

.about-badge strong {
  display: block;
  font-family: var(--font-head);
  font-size: 1.3rem;
  color: var(--navy);
  line-height: 1.1;
}

.about-badge small {
  color: var(--muted);
  font-size: .8rem;
}

.about-badge .hl-icon {
  background: var(--gold-soft);
  color: var(--gold);
}

.about-quote {
  position: absolute;
  left: -24px;
  bottom: 0;
  max-width: 300px;
  background: var(--navy);
  color: var(--white);
  padding: 22px 26px;
  border-radius: 18px;
  box-shadow: var(--shadow-lg);
}

.about-quote p {
  font-family: var(--font-accent);
  font-style: italic;
  font-size: 1.25rem;
  line-height: 1.35;
}

.about-quote em {
  color: var(--emerald-300);
}

.ring {
  position: absolute;
  z-index: -1;
  right: -10px;
  bottom: 10px;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  border: 2px dashed rgba(8, 127, 91, .3);
  animation: spin 40s linear infinite;
}

.about-text h2 {
  margin-bottom: 22px;
}

.about-text p {
  color: var(--muted);
  margin-bottom: 16px;
}

.about-text .pull {
  color: var(--navy);
  font-weight: 500;
  padding-left: 18px;
  border-left: 3px solid var(--gold);
}

.vmc-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 80px;
}

.vmc-card {
  padding: 34px 30px;
  border-radius: var(--radius);
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
  transition: transform .45s var(--ease), box-shadow .45s var(--ease), border-color .3s;
}

.vmc-card h3 {
  margin: 20px 0 10px;
  font-size: 1.3rem;
}

.vmc-card p {
  color: var(--muted);
}

.vmc-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: transparent;
}

.vmc-card:hover .icon-box {
  transform: rotate(-8deg) scale(1.06);
  background: var(--emerald);
  color: var(--white);
}

.vmc-dark {
  background: linear-gradient(150deg, var(--navy) 0%, var(--navy-800) 100%);
  border: 0;
}

.vmc-dark h3 {
  color: var(--white);
}

.vmc-dark .checklist li {
  color: rgba(255, 255, 255, .82);
}

.vmc-dark .icon-box {
  background: rgba(95, 203, 159, .14);
  color: var(--emerald-300);
}

.vmc-dark .checklist li::before {
  background-color: rgba(95, 203, 159, .18);
}

/* ---------- Benefits ---------- */
.benefit-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.benefit {
  position: relative;
  padding: 32px 30px;
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: transform .45s var(--ease), box-shadow .45s var(--ease);
}

.benefit::before {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 3px;
  background: linear-gradient(90deg, var(--emerald), var(--gold));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .5s var(--ease);
}

.benefit h3 {
  margin: 20px 0 8px;
}

.benefit p {
  color: var(--muted);
  font-size: .95rem;
}

.benefit:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}

.benefit:hover::before {
  transform: scaleX(1);
}

.benefit:hover .icon-box {
  background: var(--emerald);
  color: var(--white);
  transform: scale(1.06);
}

.apps-band {
  margin-top: 40px;
  padding: 34px 38px;
  border-radius: 22px;
  background: var(--navy);
  color: rgba(255, 255, 255, .75);
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 34px;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.apps-band::after {
  content: "";
  position: absolute;
  right: -80px;
  top: -120px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(232, 163, 23, .25), transparent 65%);
}

.apps-band h3 {
  color: var(--white);
  font-size: 1.45rem;
  margin-bottom: 8px;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  position: relative;
  z-index: 1;
}

.chips li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .07);
  border: 1px solid rgba(255, 255, 255, .12);
  color: var(--white);
  font-size: .88rem;
  font-weight: 500;
  transition: background .3s, transform .3s var(--ease);
}

.chips svg {
  color: var(--emerald-300);
  font-size: 17px;
}

.chips li:hover {
  background: var(--emerald);
  transform: translateY(-2px);
}

.chips li:hover svg {
  color: var(--white);
}

/* ---------- Image crops (cut regions from the provided images) ---------- */
.crop {
  position: relative;
  overflow: hidden;
}

.crop-img {
  position: absolute;
  inset: 0;
  background-image: var(--img);
  background-size: var(--s) auto;
  background-position: var(--x) var(--y);
  background-repeat: no-repeat;
  transition: transform 1.2s var(--ease);
}

/* full photo (not a cut-out region) */
.crop.photo .crop-img {
  background-size: cover;
  background-position: center 35%;
}

/* ---------- Solutions ---------- */
.section-head.split p {
  padding-bottom: 6px;
}

.solution-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.solution {
  display: flex;
  flex-direction: column;
  border-radius: 22px;
  background: var(--white);
  border: 1px solid var(--line);
  overflow: hidden;
  transition: transform .5s var(--ease), box-shadow .5s var(--ease), border-color .3s;
}

.sol-media {
  aspect-ratio: 16 / 10;
}

.sol-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 31, 42, 0) 50%, rgba(11, 31, 42, .35));
}

.sol-num {
  position: absolute;
  z-index: 1;
  left: 18px;
  top: 16px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: .82rem;
  letter-spacing: .08em;
  background: rgba(255, 255, 255, .92);
  color: var(--emerald);
  padding: 6px 12px;
  border-radius: 999px;
}

.sol-body {
  position: relative;
  padding: 0 28px 28px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.sol-body .icon-box {
  margin-top: -23px;
  position: relative;
  z-index: 2;
  background: var(--white);
  box-shadow: var(--shadow);
}

.sol-tag {
  margin: 16px 0 4px;
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--gold);
}

.solution h3 {
  font-size: 1.22rem;
  margin-bottom: 10px;
}

.sol-body>p:not(.sol-tag) {
  color: var(--muted);
  font-size: .94rem;
  margin-bottom: 20px;
  flex: 1;
}

.solution:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.solution:hover .crop-img {
  transform: scale(1.08);
}

.solution:hover .icon-box {
  background: var(--emerald);
  color: var(--white);
  transform: rotate(-8deg);
}

/* ---------- How it works flow ---------- */
.flow {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  position: relative;
  counter-reset: flow;
}

.flow::before {
  content: "";
  position: absolute;
  top: 40px;
  left: 10%;
  right: 10%;
  height: 2px;
  background-image: linear-gradient(90deg, var(--emerald) 50%, transparent 50%);
  background-size: 14px 2px;
  opacity: .45;
  animation: dash 1.2s linear infinite;
}

.flow-step {
  position: relative;
  text-align: center;
  padding: 0 6px;
}

.flow-icon {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  margin: 0 auto 20px;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  font-size: 32px;
  background: var(--white);
  color: var(--emerald);
  border: 2px solid var(--mint);
  box-shadow: var(--shadow);
  transition: transform .4s var(--ease), background .3s, color .3s;
}

.flow-icon::after {
  content: "";
  position: absolute;
  inset: -8px;
  border-radius: 50%;
  border: 1px solid rgba(8, 127, 91, .15);
}

.flow-icon.sun-icon {
  background: var(--gold);
  color: var(--white);
  border-color: var(--gold-soft);
}

.flow-icon.sun-icon svg {
  animation: spin 14s linear infinite;
}

.flow-step:hover .flow-icon {
  transform: translateY(-6px);
  background: var(--emerald);
  color: var(--white);
}

.flow-n {
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--gold);
}

.flow-step h3 {
  margin: 4px 0 8px;
  font-size: 1.05rem;
}

.flow-step p {
  color: var(--muted);
  font-size: .9rem;
}

.flow.in .flow-step {
  animation: rise .9s var(--ease) both;
}

.flow.in .flow-step:nth-child(2) {
  animation-delay: .12s;
}

.flow.in .flow-step:nth-child(3) {
  animation-delay: .24s;
}

.flow.in .flow-step:nth-child(4) {
  animation-delay: .36s;
}

.flow.in .flow-step:nth-child(5) {
  animation-delay: .48s;
}

.note {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin: 56px auto 0;
  max-width: 860px;
  padding: 18px 22px;
  border-radius: 14px;
  background: var(--white);
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: .94rem;
}

.note svg {
  font-size: 22px;
  color: var(--emerald);
  margin-top: 1px;
}

.note strong {
  color: var(--navy);
}

.note.gold {
  background: var(--gold-soft);
  border-color: #F5DFA6;
}

.note.gold svg {
  color: #B87A00;
}

/* ---------- Installation ---------- */
.infographic {
  margin: 0 auto 56px;
  max-width: 1100px;
}

.infographic-btn {
  position: relative;
  display: block;
  width: 100%;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  background: var(--white);
  padding: 0;
}

.infographic-btn img {
  width: 100%;
  transition: transform 1s var(--ease);
}

.infographic-btn:hover img {
  transform: scale(1.02);
}

.zoom-hint {
  position: absolute;
  right: 18px;
  bottom: 18px;
  display: inline-flex;
  gap: 8px;
  align-items: center;
  padding: 9px 16px;
  border-radius: 999px;
  background: rgba(11, 31, 42, .82);
  color: var(--white);
  font-size: .85rem;
  font-weight: 600;
  opacity: 0;
  transform: translateY(8px);
  transition: .35s var(--ease);
}

.infographic-btn:hover .zoom-hint,
.infographic-btn:focus-visible .zoom-hint {
  opacity: 1;
  transform: none;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.step-card {
  position: relative;
  padding: 34px 28px 26px;
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow-sm);
  border: 1px solid transparent;
  transition: transform .45s var(--ease), box-shadow .45s var(--ease), border-color .3s;
}

.step-toggle {
  display: contents;
}

.step-details {
  display: block;
}

.step-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: var(--mint);
}

.step-num {
  display: grid;
  place-items: center;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--emerald);
  color: var(--white);
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.25rem;
  box-shadow: 0 0 0 6px var(--mint);
}

.step-card h3 {
  margin: 22px 0 8px;
  font-size: 1.15rem;
}

.step-card>p {
  color: var(--muted);
  font-size: .93rem;
  margin-bottom: 8px;
}

.step-card .checklist li {
  font-size: .9rem;
}

.step-card.safety {
  background: linear-gradient(160deg, #FFF9EA, var(--gold-soft));
  border-color: #F5DFA6;
}

/* ---------- Schemes ---------- */
.scheme-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

.scheme {
  position: relative;
  padding: 40px;
  border-radius: 24px;
  background: var(--white);
  border: 1px solid var(--line);
  overflow: hidden;
  transition: transform .5s var(--ease), box-shadow .5s var(--ease);
}

.scheme::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--emerald), var(--emerald-300));
}

.scheme:nth-child(2)::before {
  background: linear-gradient(90deg, var(--gold), #F3C55A);
}

.scheme::after {
  content: "";
  position: absolute;
  right: -90px;
  bottom: -90px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: var(--mint-soft);
  z-index: 0;
}

.scheme>* {
  position: relative;
  z-index: 1;
}

.scheme:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.scheme-head {
  display: flex;
  gap: 18px;
  align-items: center;
  margin-bottom: 18px;
}

.scheme-head .sol-tag {
  margin-top: 0;
}

.scheme h3 {
  font-size: 1.4rem;
}

.scheme>p {
  color: var(--muted);
}

.scheme h4 {
  margin: 24px 0 6px;
  font-size: .82rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--emerald);
}

/* ---------- EV ---------- */
.ev-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 70px;
  align-items: center;
}

.ev-text h2 {
  margin-bottom: 18px;
}

.ev-text>p {
  color: var(--muted);
}

.ev-features {
  margin-top: 30px;
  display: grid;
  gap: 14px;
}

.ev-feature {
  display: flex;
  gap: 18px;
  padding: 20px;
  border-radius: 16px;
  background: var(--white);
  box-shadow: var(--shadow-sm);
  transition: transform .4s var(--ease), box-shadow .4s;
}

.ev-feature:hover {
  transform: translateX(6px);
  box-shadow: var(--shadow);
}

.ev-feature h3 {
  font-size: 1.05rem;
  margin-bottom: 4px;
}

.ev-feature p {
  color: var(--muted);
  font-size: .92rem;
}

.ev-card {
  position: relative;
  padding: 40px 36px;
  border-radius: 28px;
  color: var(--white);
  overflow: hidden;
  background: radial-gradient(120% 90% at 100% 0%, rgba(8, 127, 91, .55), transparent 60%), linear-gradient(160deg, var(--navy), var(--navy-800));
  box-shadow: var(--shadow-lg);
}

.ev-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, .07) 1px, transparent 1px);
  background-size: 22px 22px;
}

.ev-card>* {
  position: relative;
}

.ev-chain {
  display: flex;
  align-items: center;
}

.ev-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.ev-node small {
  font-size: .78rem;
  color: rgba(255, 255, 255, .65);
}

.ev-dot {
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  border-radius: 18px;
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .14);
  color: var(--emerald-300);
  font-size: 25px;
}

.ev-dot.sun {
  background: var(--gold);
  color: var(--white);
  border-color: transparent;
  box-shadow: 0 0 30px rgba(232, 163, 23, .55);
}

.ev-dot.sun svg {
  animation: spin 14s linear infinite;
}

.ev-line {
  flex: 1;
  height: 2px;
  margin: 0 6px 26px;
  background: rgba(255, 255, 255, .12);
  position: relative;
  overflow: hidden;
  border-radius: 2px;
}

.ev-line i {
  position: absolute;
  top: 0;
  left: -40%;
  width: 40%;
  height: 100%;
  background: linear-gradient(90deg, transparent, var(--gold), var(--emerald-300));
  animation: energy 1.8s linear infinite;
}

.ev-line:nth-of-type(4) i {
  animation-delay: .4s;
}

.ev-line:nth-of-type(6) i {
  animation-delay: .8s;
}

.ev-battery {
  margin: 36px 0 30px;
  padding: 20px;
  border-radius: 16px;
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .1);
}

.ev-batt-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: .9rem;
  margin-bottom: 12px;
  color: rgba(255, 255, 255, .85);
}

.ev-batt-top svg {
  color: var(--gold);
  font-size: 18px;
  animation: blink 1.6s infinite;
}

.ev-batt-bar {
  height: 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .1);
  overflow: hidden;
}

.ev-batt-bar span {
  display: block;
  height: 100%;
  width: 20%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--emerald), var(--emerald-300), var(--gold));
  animation: charge 4.5s var(--ease) infinite;
}

.ev-goal {
  font-family: var(--font-accent);
  font-style: italic;
  font-size: 1.3rem;
  line-height: 1.4;
  color: var(--white);
  padding-left: 18px;
  border-left: 3px solid var(--emerald-300);
}

.ev-goal span {
  display: block;
  font-family: var(--font-head);
  font-style: normal;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--emerald-300);
  margin-bottom: 6px;
}

/* ---------- Impact ---------- */
.impact {
  background: var(--navy);
  overflow: hidden;
}

.impact-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(50% 60% at 15% 0%, rgba(8, 127, 91, .35), transparent 70%),
    radial-gradient(40% 50% at 95% 100%, rgba(232, 163, 23, .16), transparent 70%),
    linear-gradient(180deg, rgba(11, 31, 42, .94) 0%, rgba(11, 31, 42, .72) 45%, rgba(11, 31, 42, .9) 100%),
    url("images/street.png") center 40% / cover no-repeat;
}

.impact .container {
  position: relative;
}

.impact-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.impact-card {
  padding: 34px 28px;
  border-radius: 22px;
  background: rgba(11, 31, 42, .5);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border: 1px solid rgba(255, 255, 255, .09);
  transition: transform .45s var(--ease), background .4s, border-color .4s;
}

.impact-card:hover {
  transform: translateY(-8px);
  background: rgba(8, 127, 91, .18);
  border-color: rgba(95, 203, 159, .35);
}

.impact-card .icon-box {
  background: rgba(95, 203, 159, .12);
  color: var(--emerald-300);
}

.impact-num {
  margin: 24px 0 6px;
  font-family: var(--font-head);
  font-size: clamp(2.2rem, 3.6vw, 3rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -.03em;
  color: var(--emerald-300);
}

.impact-num small {
  font-size: .45em;
  margin-left: 6px;
  color: var(--gold);
  letter-spacing: 0;
}

.impact-card h3 {
  color: var(--white);
  font-size: 1.1rem;
  margin-bottom: 6px;
}

.impact-card p:last-child {
  color: rgba(255, 255, 255, .6);
  font-size: .92rem;
}

/* ---------- Process ---------- */
.process {
  position: relative;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 22px;
}

.process-line {
  position: absolute;
  top: 31px;
  left: 10%;
  right: 10%;
  height: 3px;
  background: var(--mint);
  border-radius: 3px;
  overflow: hidden;
}

.process-line span {
  display: block;
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg, var(--emerald), var(--gold));
  transform-origin: left;
  transform: scaleX(0);
  transition: transform 2s var(--ease) .3s;
}

.process-zigzag {
  display: none;
}

.process.in .process-line span {
  transform: scaleX(1);
}

.process-step {
  position: relative;
  text-align: center;
}

.process-dot {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  margin: 0 auto 18px;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--white);
  color: var(--emerald);
  font-size: 25px;
  border: 2px solid var(--emerald);
  box-shadow: 0 0 0 7px var(--white);
  transition: background .3s, color .3s, transform .4s var(--ease);
}

.process-step:hover .process-dot {
  background: var(--emerald);
  color: var(--white);
  transform: scale(1.08);
}

.process-n {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: .82rem;
  color: var(--gold);
  letter-spacing: .1em;
}

.process-step h3 {
  margin: 4px 0 8px;
  font-size: 1.05rem;
}

.process-step p {
  color: var(--muted);
  font-size: .9rem;
}

/* ---------- FAQ ---------- */
.faq-grid {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: 70px;
  align-items: start;
}

.faq-intro {
  position: sticky;
  top: calc(var(--nav-h) + 30px);
}

.faq-intro h2 {
  margin-bottom: 16px;
}

.faq-intro p {
  color: var(--muted);
  margin-bottom: 26px;
}

.accordion {
  display: grid;
  gap: 14px;
}

.acc-item {
  background: var(--white);
  border-radius: 16px;
  border: 1px solid var(--line);
  transition: box-shadow .4s, border-color .4s;
}

.acc-item.open {
  box-shadow: var(--shadow);
  border-color: transparent;
}

.acc-q {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  text-align: left;
  padding: 22px 24px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.02rem;
  color: var(--navy);
}

.acc-ic {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--mint);
  color: var(--emerald);
  font-size: 18px;
  flex-shrink: 0;
  transition: transform .4s var(--ease), background .3s, color .3s;
}

.acc-item.open .acc-ic {
  transform: rotate(45deg);
  background: var(--emerald);
  color: var(--white);
}

.acc-a {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows .45s var(--ease);
}

.acc-a>div {
  overflow: hidden;
}

.acc-a p {
  padding: 0 24px 22px;
  color: var(--muted);
}

.acc-item.open .acc-a {
  grid-template-rows: 1fr;
}

/* =========================================================
   FOOTER
   ========================================================= */
.footer {
  background: var(--navy);
  color: rgba(255, 255, 255, .62);
  padding-top: 80px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 50px;
}

.footer-brand p {
  margin-top: 18px;
  max-width: 320px;
  font-size: .94rem;
}

.footer h4 {
  color: var(--white);
  margin-bottom: 18px;
  font-size: .95rem;
}

.footer ul {
  display: grid;
  gap: 10px;
  font-size: .93rem;
}

.footer ul a {
  position: relative;
  transition: color .3s, padding .3s var(--ease);
}

.footer ul a:hover {
  color: var(--emerald-300);
  padding-left: 6px;
}

.footer-contact li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  overflow-wrap: anywhere;
}

.footer-contact svg {
  color: var(--emerald-300);
  margin-top: 5px;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  padding: 22px 24px;
  border-top: 1px solid rgba(255, 255, 255, .08);
  font-size: .86rem;
}

.footer-bottom a:hover {
  color: var(--white);
}

.footer-bottom .sep {
  margin: 0 10px;
  opacity: .4;
}

/* ---------- Lightbox / to-top ---------- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: grid;
  place-items: center;
  padding: 30px;
  background: rgba(11, 31, 42, .88);
  backdrop-filter: blur(6px);
  opacity: 0;
  visibility: hidden;
  transition: opacity .35s, visibility .35s;
}

.lightbox.open {
  opacity: 1;
  visibility: visible;
}

.lightbox img {
  max-height: 90vh;
  width: auto;
  border-radius: 14px;
  box-shadow: var(--shadow-lg);
  transform: scale(.94);
  transition: transform .45s var(--ease);
}

.lightbox.open img {
  transform: none;
}

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, .12);
  color: var(--white);
  font-size: 22px;
}

.lightbox-close:hover {
  background: var(--emerald);
}

.to-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 90;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--emerald);
  color: var(--white);
  font-size: 22px;
  box-shadow: var(--shadow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: .4s var(--ease);
}

.to-top.show {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.to-top:hover {
  background: var(--navy);
}

/* =========================================================
   SCROLL REVEAL
   ========================================================= */
[data-reveal] {
  opacity: 0;
  transform: translateY(34px);
  transition: opacity .9s var(--ease), transform .9s var(--ease);
  transition-delay: calc(var(--rd, 0) * 110ms);
}

[data-reveal="left"] {
  transform: translateX(-50px);
}

[data-reveal="right"] {
  transform: translateX(50px);
}

[data-reveal="zoom"] {
  transform: scale(.94);
}

[data-reveal].in {
  opacity: 1;
  transform: none;
}

.flow[data-reveal] {
  transform: none;
}

.float {
  animation: float 5s ease-in-out infinite;
}

/* =========================================================
   KEYFRAMES
   ========================================================= */
@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(26px);
  }

  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes kenburns {
  from {
    transform: scale(1);
  }

  to {
    transform: scale(1.08) translateX(-1%);
  }
}

@keyframes glow {
  from {
    opacity: .6;
    transform: scale(1);
  }

  to {
    opacity: 1;
    transform: scale(1.12);
  }
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes pulse {

  0%,
  100% {
    box-shadow: 0 0 0 4px rgba(232, 163, 23, .2);
  }

  50% {
    box-shadow: 0 0 0 8px rgba(232, 163, 23, .05);
  }
}

@keyframes float {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-10px);
  }
}

@keyframes scrollcue {
  0% {
    opacity: 0;
    transform: translateY(0);
  }

  30% {
    opacity: 1;
  }

  100% {
    opacity: 0;
    transform: translateY(14px);
  }
}

@keyframes dash {
  to {
    background-position: 14px 0;
  }
}

@keyframes energy {
  to {
    left: 100%;
  }
}

@keyframes charge {
  0% {
    width: 18%;
  }

  70% {
    width: 100%;
  }

  100% {
    width: 100%;
    opacity: .7;
  }
}

@keyframes blink {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: .35;
  }
}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 1100px) {
  .highlights {
    grid-template-columns: repeat(3, 1fr);
  }

  .highlights li:nth-child(4)::before {
    display: none;
  }

  .highlights li:nth-child(n+4) {
    border-top: 1px solid var(--line);
  }

  .about-grid {
    gap: 50px;
  }

  .flow,
  .process {
    grid-template-columns: repeat(3, 1fr);
    row-gap: 40px;
  }

  .flow::before,
  .process-line {
    display: none;
  }

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

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

@media (max-width: 960px) {
  :root {
    --nav-h: 68px;
  }

  .nav-toggle {
    display: grid;
    margin-left: auto;
  }

  .nav-links {
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    margin: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    padding: 14px 16px 22px;
    background: rgba(255, 255, 255, .98);
    backdrop-filter: blur(14px);
    box-shadow: 0 20px 40px -20px rgba(11, 31, 42, .35);
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: .35s var(--ease);
  }

  .nav-links a:not(.btn) {
    padding: 13px 14px;
    border-radius: 12px;
    font-size: 1rem;
  }

  .nav-links a:not(.btn)::after {
    left: auto;
    right: 16px;
    top: 50%;
    bottom: auto;
    transform: translateY(-50%) scale(0);
  }

  .nav-links a.active {
    background: var(--mint);
  }

  .nav-links a.active::after {
    transform: translateY(-50%) scale(1);
  }

  .nav.open .nav-links {
    transform: none;
    opacity: 1;
    visibility: visible;
  }

  .nav.open {
    background: rgba(255, 255, 255, .98);
  }

  .nav.open .ic-open {
    display: none;
  }

  .nav.open .ic-close {
    display: block;
  }

  .hero-bg {
    background-position: 78% bottom;
  }

  .hero-fade {
    background: linear-gradient(180deg, rgba(251, 253, 251, .97) 0%, rgba(251, 253, 251, .94) 55%, rgba(251, 253, 251, .55) 80%, rgba(251, 253, 251, .2) 100%);
  }

  .section {
    padding: 84px 0;
  }

  .section-head.split {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .about-grid,
  .ev-grid,
  .faq-grid {
    grid-template-columns: 1fr;
  }

  .about-visual {
    max-width: 560px;
    margin: 0 auto;
    width: 100%;
  }

  .faq-intro {
    position: static;
  }

  .benefit-grid,
  .solution-grid,
  .steps {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .apps-band {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 640px) {
  .hero .eyebrow {
    font-size: .7rem;
    letter-spacing: .12em;
    white-space: nowrap;
    gap: 8px;
  }

  .hero {
    min-height: 0;
    padding-bottom: 48px;
  }

  h2 {
    font-size: clamp(1.65rem, 7vw, 2rem);
  }

  .section-head p {
    font-size: 1rem;
  }

  .impact-card {
    padding: 26px 22px;
  }

  .footer {
    padding-top: 56px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .container {
    padding: 0 16px;
  }

  .section {
    padding: 70px 0;
  }

  .section-head {
    margin-bottom: 40px;
  }

  .brand-text small {
    display: none;
  }

  .hero {
    padding-top: calc(var(--nav-h) + 28px);
  }

  .hero-actions .btn {
    flex: 1 1 100%;
  }

  .highlights {
    grid-template-columns: 1fr 1fr;
    margin-top: 40px;
  }

  .highlights li {
    padding: 16px;
    gap: 10px;
  }

  .highlights li::before {
    display: none;
  }

  .highlights li.hl-stat {
    grid-column: 1 / -1;
  }

  .highlights li:nth-child(n+2) {
    border-top: 1px solid var(--line);
  }

  .highlights li:nth-child(odd):not(.hl-stat) {
    border-left: 1px solid var(--line);
  }

  .hl-icon {
    width: 40px;
    height: 40px;
    font-size: 18px;
  }

  .scroll-cue {
    display: none;
  }

  .about-visual {
    padding: 0 0 50px;
  }

  .about-quote {
    left: 12px;
    right: 12px;
    max-width: none;
  }

  .about-badge {
    right: 12px;
    top: 16px;
  }

  .benefit-grid,
  .solution-grid,
  .product-grid,
  .steps,
  .impact-grid {
    grid-template-columns: 1fr;
  }

  .flow,
  .process {
    grid-template-columns: 1fr;
  }

  .flow-step,
  .process-step {
    text-align: left;
    display: grid;
    grid-template-columns: 64px 1fr;
    column-gap: 18px;
  }

  .flow-step> :not(.flow-icon),
  .process-step> :not(.process-dot) {
    grid-column: 2;
  }

  .flow-icon,
  .process-dot {
    grid-row: 1 / span 3;
    width: 64px;
    height: 64px;
    font-size: 26px;
    margin: 0;
  }

  .apps-band {
    padding: 26px 22px;
  }

  .scheme {
    padding: 30px 22px;
  }

  .scheme-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .ev-card {
    padding: 30px 20px;
  }

  .ev-dot {
    width: 46px;
    height: 46px;
    font-size: 20px;
    border-radius: 14px;
  }

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

  .footer-bottom {
    padding: 20px 16px;
  }
}

@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }

  html {
    scroll-behavior: auto;
  }

  [data-reveal],
  .hero-anim {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 380px) {
  h1 {
    font-size: 2.1rem;
  }

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

  .highlights li:nth-child(odd):not(.hl-stat) {
    border-left: 0;
  }

  .ev-line {
    margin: 0 3px 26px;
  }

  .ev-dot {
    width: 40px;
    height: 40px;
    font-size: 18px;
  }
}

/* touch screens: no hover-lift jumps on tap */
@media (hover: none) {

  .benefit:hover,
  .solution:hover,
  .vmc-card:hover,
  .step-card:hover,
  .scheme:hover,
  .impact-card:hover,
  .ev-feature:hover {
    transform: none;
  }

  .solution:hover .crop-img {
    transform: none;
  }
}

/* =========================================================
   CLEAN ENERGY CTA — animated scene + services marquee
   ========================================================= */
.cta-section {
  padding-bottom: 0;
  overflow: hidden;
}

.cta-card {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 40px;
  align-items: center;
  padding: 60px 56px;
  border-radius: 32px;
  overflow: hidden;
  color: rgba(255, 255, 255, .75);
  background:
    radial-gradient(70% 90% at 100% 0%, rgba(232, 163, 23, .22), transparent 60%),
    radial-gradient(60% 80% at 0% 100%, rgba(8, 127, 91, .55), transparent 65%),
    linear-gradient(150deg, var(--navy), var(--navy-800));
  box-shadow: var(--shadow-lg);
}

.cta-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, .06) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
}

.cta-card>* {
  position: relative;
}

.cta-text h2 {
  color: var(--white);
  margin-bottom: 16px;
}

.cta-text>p {
  font-size: 1.04rem;
}

.cta-points {
  margin: 24px 0 32px;
  display: grid;
  gap: 12px;
}

.cta-points li {
  display: flex;
  gap: 12px;
  align-items: center;
  color: var(--white);
  font-weight: 500;
}

.cta-points svg {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  padding: 5px;
  border-radius: 50%;
  background: rgba(95, 203, 159, .18);
  color: var(--emerald-300);
  stroke-width: 3;
}

.btn-gold {
  background: var(--gold);
  color: var(--navy);
  box-shadow: 0 12px 26px -10px rgba(232, 163, 23, .7);
}

.btn-gold:hover {
  background: #F3B530;
  transform: translateY(-2px);
}

.cta-scene {
  position: relative;
}

.scene {
  width: 100%;
  height: auto;
  overflow: visible;
  stroke: none;
  fill: initial;
  display: block;
}

.scene .sun-glow {
  transform-box: fill-box;
  transform-origin: center;
  animation: sunPulse 3.2s ease-in-out infinite;
}

.scene .sun-rays {
  transform-box: fill-box;
  transform-origin: center;
  animation: spin 16s linear infinite;
}

.scene .beams path {
  stroke-dasharray: 6 12;
  animation: beam 1.1s linear infinite;
}

.scene .beams path:nth-child(2) {
  animation-delay: -.35s;
}

.scene .beams path:nth-child(3) {
  animation-delay: -.7s;
}

.scene .panel-shine {
  animation: shine 3.6s ease-in-out infinite;
}

.scene .energy-flow {
  stroke-dasharray: 18 140;
  animation: flow 1.8s linear infinite;
}

.scene .win {
  fill: #12303F;
  animation: lights 3.6s ease-in-out infinite;
}

.scene .w2 {
  animation-delay: .3s;
}

.scene .sparks circle {
  transform-box: fill-box;
  transform-origin: center;
  animation: twinkle 2s ease-in-out infinite;
}

.scene .sparks circle:nth-child(2) {
  animation-delay: .6s;
}

.scene .sparks circle:nth-child(3) {
  animation-delay: 1.2s;
}

.scene-stat {
  position: absolute;
  left: 4%;
  bottom: 2%;
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 12px 18px 12px 12px;
  border-radius: 16px;
  background: rgba(255, 255, 255, .95);
  box-shadow: var(--shadow-lg);
}

.scene-stat>span {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--emerald);
  color: var(--white);
  font-size: 20px;
}

.scene-stat strong {
  display: block;
  font-family: var(--font-head);
  color: var(--navy);
  font-size: .98rem;
  line-height: 1.2;
}

.scene-stat small {
  color: var(--muted);
  font-size: .8rem;
}

.marquee {
  margin-top: 70px;
  padding: 22px 0;
  overflow: hidden;
  background: var(--mint);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}

.marquee-track {
  display: flex;
  width: max-content;
  animation: marquee 32s linear infinite;
}

.marquee:hover .marquee-track {
  animation-play-state: paused;
}

.marquee-track span {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 0 34px;
  white-space: nowrap;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--navy);
  position: relative;
}

.marquee-track span::after {
  content: "";
  position: absolute;
  right: -4px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gold);
}

.marquee-track svg {
  color: var(--emerald);
  font-size: 22px;
}

@keyframes sunPulse {

  0%,
  100% {
    transform: scale(1);
    opacity: .85;
  }

  50% {
    transform: scale(1.12);
    opacity: 1;
  }
}

@keyframes beam {
  to {
    stroke-dashoffset: -18;
  }
}

@keyframes shine {
  0% {
    transform: skewX(-20deg) translateX(0);
  }

  60%,
  100% {
    transform: skewX(-20deg) translateX(320px);
  }
}

@keyframes flow {
  from {
    stroke-dashoffset: 158;
  }

  to {
    stroke-dashoffset: 0;
  }
}

@keyframes lights {

  0%,
  25% {
    fill: #12303F;
  }

  45%,
  85% {
    fill: #FFD66B;
  }

  100% {
    fill: #12303F;
  }
}

@keyframes twinkle {

  0%,
  100% {
    transform: scale(.4);
    opacity: .2;
  }

  50% {
    transform: scale(1.3);
    opacity: 1;
  }
}

@keyframes marquee {
  to {
    transform: translateX(-50%);
  }
}

@media (max-width: 960px) {
  .cta-card {
    grid-template-columns: 1fr;
    padding: 44px 32px;
  }

  .cta-scene {
    max-width: 520px;
    margin: 0 auto;
    width: 100%;
  }
}

@media (max-width: 640px) {
  .cta-card {
    padding: 34px 20px;
    border-radius: 24px;
    gap: 28px;
  }

  .cta-text .btn {
    width: 100%;
  }

  .scene-stat {
    position: relative;
    left: auto;
    bottom: auto;
    margin-top: 12px;
  }

  .marquee {
    margin-top: 50px;
    padding: 16px 0;
  }

  .marquee-track span {
    font-size: 1rem;
    padding: 0 24px;
  }
}

/* =========================================================
   PRODUCTS — batteries, inverters, charge controllers
   ========================================================= */
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.product {
  display: flex;
  flex-direction: column;
  border-radius: 22px;
  background: var(--white);
  border: 1px solid var(--line);
  overflow: hidden;
  transition: transform .5s var(--ease), box-shadow .5s var(--ease);
}

.product:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.prod-media {
  position: relative;
  aspect-ratio: 4 / 3;
  display: grid;
  place-items: center;
  overflow: hidden;
  background:
    radial-gradient(55% 55% at 50% 50%, rgba(255, 255, 255, .95), transparent 70%),
    linear-gradient(160deg, var(--mint-soft), #D3EFE1);
}

/* slow rotating ring behind the product */
.prod-media::before {
  content: "";
  position: absolute;
  width: 68%;
  aspect-ratio: 1;
  border-radius: 50%;
  border: 2px dashed rgba(8, 127, 91, .2);
  animation: spin 30s linear infinite;
}

.prod-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 22px;
  transition: transform .8s var(--ease);
}

.product:hover .prod-media img {
  transform: scale(1.06);
}

/* shown until the product photo is added */
.prod-fallback {
  display: grid;
  place-items: center;
  width: 96px;
  height: 96px;
  border-radius: 28px;
  background: var(--white);
  color: var(--emerald);
  font-size: 46px;
  box-shadow: var(--shadow);
  animation: float 5s ease-in-out infinite;
}

.prod-badge {
  position: absolute;
  z-index: 1;
  left: 16px;
  top: 14px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: .74rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  background: var(--white);
  color: var(--emerald);
  padding: 6px 12px;
  border-radius: 999px;
  box-shadow: var(--shadow-sm);
}

.prod-body {
  padding: 24px 26px 26px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.prod-body h3 {
  font-size: 1.22rem;
  margin-bottom: 8px;
}

.prod-body>p {
  color: var(--muted);
  font-size: .94rem;
  margin-bottom: 16px;
}

.prod-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.prod-tags li {
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--mint);
  color: var(--emerald);
  font-size: .8rem;
  font-weight: 600;
}

.prod-compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 20px;
}

.prod-compare div {
  padding: 10px 12px;
  border-radius: 12px;
  background: var(--mint-soft);
  border: 1px solid var(--line);
}

.prod-compare strong {
  display: block;
  font-family: var(--font-head);
  color: var(--navy);
  font-size: .95rem;
}

.prod-compare small {
  display: block;
  color: var(--muted);
  font-size: .78rem;
  line-height: 1.35;
}

.prod-body .link {
  margin-top: auto;
}

@media (max-width: 960px) {
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .product-grid {
    grid-template-columns: 1fr;
  }
}

/* =========================================================
   MOBILE EXPERIENCE — swipe carousels, shorter text,
   quick-action bar, menu + tap animations
   ========================================================= */
.m-dots,
.m-more,
.m-bar {
  display: none;
}

@media (max-width: 960px) {

  /* menu links slide in one after another */
  .nav .nav-links a:not(.btn) {
    opacity: 0;
    transform: translateX(-14px);
    transition: opacity .4s var(--ease), transform .4s var(--ease), background .3s, color .3s;
  }

  .nav.open .nav-links a:not(.btn) {
    opacity: 1;
    transform: none;
  }

  .nav.open .nav-links a:nth-child(2) { transition-delay: .04s; }
  .nav.open .nav-links a:nth-child(3) { transition-delay: .08s; }
  .nav.open .nav-links a:nth-child(4) { transition-delay: .12s; }
  .nav.open .nav-links a:nth-child(5) { transition-delay: .16s; }
  .nav.open .nav-links a:nth-child(6) { transition-delay: .2s; }
  .nav.open .nav-links a:nth-child(7) { transition-delay: .24s; }
  .nav.open .nav-links a:nth-child(8) { transition-delay: .28s; }
}

@media (max-width: 640px) {
  .section {
    padding: 58px 0;
  }

  .section-head {
    margin-bottom: 30px;
  }

  [data-reveal] {
    transform: translateY(24px);
  }

  [data-reveal="left"],
  [data-reveal="right"] {
    transform: translateY(24px) scale(.97);
  }

  /* ---- swipeable card rows ---- */
  .m-carousel {
    display: flex;
    gap: 14px;
    margin: 0 -16px;
    padding: 6px 16px 12px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scroll-padding: 0 16px;
    overscroll-behavior-x: contain;
    scrollbar-width: none;
  }

  /* carousels that are also .container keep their own side padding */
  .container.m-carousel {
    width: auto;
    margin: 0;
  }

  .vmc-grid.m-carousel {
    margin-top: 40px;
  }

  .m-carousel::-webkit-scrollbar {
    display: none;
  }

  .m-carousel>* {
    flex: 0 0 84%;
    scroll-snap-align: center;
    transition: opacity .7s var(--ease), transform .7s var(--ease), scale .45s var(--ease), box-shadow .45s var(--ease);
    transition-delay: 0s;
  }

  .m-carousel>*:not(.is-active) {
    scale: .93;
  }

  .m-carousel>.is-active {
    box-shadow: var(--shadow);
  }

  .m-dots {
    display: flex;
    justify-content: center;
    gap: 7px;
    margin-top: 14px;
  }

  .m-dots button {
    width: 7px;
    height: 7px;
    border-radius: 99px;
    background: rgba(8, 127, 91, .25);
    transition: width .35s var(--ease), background .35s;
  }

  .m-dots button.on {
    width: 22px;
    background: var(--emerald);
  }

  .impact .m-dots button {
    background: rgba(255, 255, 255, .3);
  }

  .impact .m-dots button.on {
    background: var(--gold);
  }

  .prod-media::before {
    width: 58%;
  }

  /* ---- shorter text: 3 lines + "Read more" ---- */
  .m-clamp:not(.expanded) {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .m-hide {
    display: none;
  }

  .m-more {
    display: inline-flex;
    margin-top: 6px;
    padding: 4px 0;
    font-family: var(--font-head);
    font-weight: 700;
    font-size: .88rem;
    color: var(--emerald);
  }

  .m-more[hidden] {
    display: none;
  }

  .cta-text .m-more {
    color: var(--emerald-300);
  }

  .benefit p,
  .sol-body>p:not(.sol-tag),
  .prod-body>p,
  .step-card p,
  .flow-step p,
  .process-step p {
    font-size: .9rem;
  }

  /* ---- vertical timeline for "How it works" and "Process" ---- */
  .flow,
  .process {
    position: relative;
  }

  .flow::before,
  .process::before {
    content: "";
    display: block;
    position: absolute;
    top: 32px;
    bottom: 32px;
    left: 31px;
    right: auto;
    width: 2px;
    height: auto;
    background: repeating-linear-gradient(
      to bottom,
      rgba(8, 127, 91, .55) 0,
      rgba(8, 127, 91, .55) 7px,
      transparent 7px,
      transparent 14px
    );
    opacity: .8;
    animation: dashY 1.2s linear infinite;
  }

  .flow-icon,
  .process-dot {
    position: relative;
    z-index: 1;
  }

  .process {
    gap: 0;
    padding: 20px 0 10px;
  }

  .process-step {
    width: 78%;
    min-height: 170px;
    min-width: 0;
    align-items: start;
    padding-bottom: 28px;
    z-index: 1;
  }

  .process-step:nth-of-type(odd) {
    margin-right: auto;
  }

  .process-step:nth-of-type(even) {
    margin-left: auto;
    grid-template-columns: 1fr 64px;
    text-align: right;
  }

  .process-step> :not(.process-dot) {
    min-width: 0;
  }

  .process-step:nth-of-type(even) .process-dot {
    grid-column: 2;
    grid-row: 1 / span 3;
  }

  .process-step:nth-of-type(even)> :not(.process-dot) {
    grid-column: 1;
  }

  .process-step:last-child {
    min-height: 0;
    padding-bottom: 0;
  }

  .process-n {
    margin-top: 2px;
  }

  .process-step h3 {
    margin-top: 3px;
    margin-bottom: 6px;
    font-size: 1.02rem;
  }

  .process-step p {
    max-width: 31rem;
    line-height: 1.55;
  }

  .steps {
    display: grid;
    gap: 12px;
  }

  .steps .step-card {
    padding: 0;
    border: 1px solid var(--line);
    border-radius: 16px;
    box-shadow: none;
    overflow: hidden;
  }

  .steps .step-toggle {
    display: grid;
    grid-template-columns: 42px 1fr 30px;
    align-items: center;
    width: 100%;
    min-height: 76px;
    padding: 14px 16px;
    gap: 12px;
    text-align: left;
    color: var(--navy);
  }

  .steps .step-toggle::after {
    content: "";
    display: block;
    width: 10px;
    height: 10px;
    margin-right: 5px;
    background: transparent;
    border: solid var(--emerald);
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
    transition: transform .35s var(--ease), background .3s, color .3s;
  }

  .steps .step-card.open .step-toggle::after {
    transform: rotate(-135deg);
  }

  .steps .step-num {
    width: 42px;
    height: 42px;
    font-size: 1rem;
    box-shadow: none;
  }

  .steps .step-toggle h3 {
    margin: 0;
    font-size: .98rem;
  }

  .steps .step-toggle .icon-box {
    width: 42px;
    height: 42px;
    margin: 0;
  }

  .step-details {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows .4s var(--ease);
  }

  .step-details>div {
    min-height: 0;
    overflow: hidden;
  }

  .steps .step-card.open .step-details {
    grid-template-rows: 1fr;
  }

  .steps .step-details p,
  .steps .step-details ul {
    margin-inline: 16px;
  }

  .steps .step-details p {
    margin-top: 0;
  }

  .steps .step-details ul {
    margin-bottom: 18px;
  }

  .process-step h3,
  .process-step p,
  .process-n {
    position: relative;
    z-index: 2;
    background: var(--white);
  }

  .process-step h3,
  .process-step p {
    padding-inline: 4px;
  }

  .process::before {
    display: none;
  }

  .process-zigzag {
    display: block;
    position: absolute;
    inset: 0;
    z-index: 0;
    width: 100%;
    height: 100%;
    overflow: visible;
    pointer-events: none;
  }

  .process-zigzag path {
    fill: none;
    stroke: rgba(8, 127, 91, .55);
    stroke-width: 1.2;
    stroke-dasharray: 2.5 2.5;
  }

  /* ---- sticky quick-action bar ---- */
  .m-bar {
    position: fixed;
    left: 12px;
    right: 12px;
    bottom: calc(12px + env(safe-area-inset-bottom));
    z-index: 95;
    display: grid;
    grid-template-columns: 1fr 1.25fr;
    gap: 8px;
    padding: 8px;
    border-radius: 18px;
    background: rgba(11, 31, 42, .92);
    backdrop-filter: blur(12px);
    box-shadow: var(--shadow-lg);
    transform: translateY(calc(100% + 30px));
    transition: transform .55s var(--ease);
  }

  .m-bar.show {
    transform: none;
  }

  .m-bar a {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 46px;
    border-radius: 12px;
    font-family: var(--font-head);
    font-weight: 700;
    font-size: .95rem;
    transition: scale .2s;
  }

  .m-bar svg {
    font-size: 18px;
  }

  .m-bar-call {
    color: var(--white);
    background: rgba(255, 255, 255, .1);
  }

  .m-bar-quote {
    background: #25d366;
    color: var(--white);
    animation: quotePulse 2.8s ease-in-out infinite;
  }

  .to-top {
    right: 16px;
    bottom: calc(84px + env(safe-area-inset-bottom));
    width: 44px;
    height: 44px;
  }

  .footer-bottom {
    padding-bottom: 96px;
  }

  /* tap feedback */
  .btn:active,
  .m-bar a:active,
  .m-more:active {
    scale: .96;
  }
}

@keyframes dashY {
  to {
    background-position: 0 14px;
  }
}

@keyframes quotePulse {

  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, .55);
  }

  50% {
    box-shadow: 0 0 0 7px rgba(37, 211, 102, 0);
  }
}

@media (prefers-reduced-motion: reduce) {

  .prod-media::before,
  .prod-fallback,
  .m-bar-quote {
    animation: none;
  }
}