/* ============================================================
   SOL NAVITAS — PREMIUM LANDING PAGE STYLESHEET
   Design System: Modern Clean Tech · Scandinavian · Solar Energy
   ============================================================ */

/* ── DESIGN TOKENS ─────────────────────────────────────────── */
:root {
  /* Colors */
  --primary:        #F59E0B;
  --primary-light:  #FCD34D;
  --primary-dark:   #D97706;
  --secondary:      #FDBA74;
  --accent:         #22C55E;
  --accent-dark:    #16A34A;
  --tech-blue:      #2563EB;
  --bg:             #FFFFFF;
  --dark:           #0F172A;
  --dark-surface:   #1E293B;
  --text:           #111827;
  --muted:          #64748B;
  --subtle:         #F1F5F9;
  --border:         rgba(0,0,0,0.08);
  --border-light:   rgba(255,255,255,0.10);

  /* Elevation */
  --shadow-sm:  0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md:  0 4px 16px rgba(0,0,0,0.08), 0 2px 8px rgba(0,0,0,0.04);
  --shadow-lg:  0 12px 40px rgba(0,0,0,0.12), 0 4px 16px rgba(0,0,0,0.06);
  --shadow-xl:  0 24px 64px rgba(0,0,0,0.16);
  --shadow-glow: 0 0 40px rgba(245,158,11,0.25);

  /* Radius */
  --radius-sm:   8px;
  --radius-md:   16px;
  --radius-lg:   24px;
  --radius-xl:   32px;
  --radius-pill: 9999px;

  /* Layout */
  --container:   1200px;
  --section-pad: clamp(64px, 8vw, 120px);

  /* Easing */
  --ease-out:    cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Animation duration */
  --dur-fast:   150ms;
  --dur-med:    300ms;
  --dur-slow:   600ms;
}

/* ── RESET & BASE ───────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a   { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }
ul, ol { list-style: none; }

/* ── TYPOGRAPHY ─────────────────────────────────────────────── */
h1, h2, h3, h4, h5 {
  font-family: 'Space Grotesk', system-ui, sans-serif;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.display-xl { font-size: clamp(40px, 7vw, 80px); }
.display-lg { font-size: clamp(36px, 6vw, 72px); }
.display-md { font-size: clamp(28px, 4vw, 48px); }
.display-sm { font-size: clamp(22px, 3vw, 36px); }

/* ── UTILITY ────────────────────────────────────────────────── */
.container {
  width: min(var(--container), calc(100% - 40px));
  margin-inline: auto;
}

.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

.text-primary  { color: var(--primary); }
.text-muted    { color: var(--muted); }
.text-accent   { color: var(--accent); }

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--primary);
  background: rgba(245,158,11,0.10);
  border: 1px solid rgba(245,158,11,0.20);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 16px;
}

.section-tag .dot {
  width: 6px; height: 6px;
  background: var(--primary);
  border-radius: 50%;
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(0.7); }
}

/* ── BUTTONS ────────────────────────────────────────────────── */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 15px;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: var(--radius-pill);
  transition: transform var(--dur-med) var(--ease-out),
              box-shadow var(--dur-med) var(--ease-out),
              background var(--dur-fast);
  overflow: hidden;
  white-space: nowrap;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, rgba(255,255,255,0.4) 0%, transparent 60%);
  opacity: 0;
  transform: scale(0);
  transition: opacity 0.4s, transform 0.4s;
  border-radius: inherit;
}

.btn:active::after {
  opacity: 1;
  transform: scale(2.5);
  transition: 0s;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  box-shadow: 0 4px 20px rgba(245,158,11,0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(245,158,11,0.45);
}

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

.btn-outline:hover {
  background: var(--subtle);
  border-color: rgba(0,0,0,0.15);
  transform: translateY(-2px);
}

.btn-outline-light {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255,255,255,0.30);
}

.btn-outline-light:hover {
  background: rgba(255,255,255,0.10);
  border-color: rgba(255,255,255,0.50);
  transform: translateY(-2px);
}

.btn-lg { font-size: 16px; padding: 17px 36px; }

.btn svg, .btn .icon {
  width: 18px; height: 18px;
  transition: transform var(--dur-med) var(--ease-spring);
}

.btn:hover svg, .btn:hover .icon { transform: translateX(3px); }

/* ── NAVIGATION ─────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  transition: background var(--dur-slow) var(--ease-in-out),
              box-shadow var(--dur-slow) var(--ease-in-out),
              padding var(--dur-slow) var(--ease-in-out);
}

.nav.scrolled {
  background: rgba(255,255,255,0.90);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 rgba(0,0,0,0.08), var(--shadow-sm);
}

.nav.nav-dark:not(.scrolled) {
  background: transparent;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
  transition: padding var(--dur-slow) var(--ease-in-out);
}

.nav.scrolled .nav-inner { padding: 12px 0; }

.nav-logo {
  display: flex;
  align-items: center;
}

.nav-logo img {
  height: 36px;
  width: auto;
  filter: brightness(0) invert(1);
  transition: filter var(--dur-med);
}

.nav.scrolled .nav-logo img { filter: none; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-size: 14px;
  font-weight: 500;
  color: rgba(255,255,255,0.85);
  transition: color var(--dur-fast);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: width var(--dur-med) var(--ease-out);
}

.nav-link:hover { color: #fff; }
.nav-link:hover::after { width: 100%; }

.nav.scrolled .nav-link         { color: var(--muted); }
.nav.scrolled .nav-link:hover   { color: var(--text); }

.nav-cta { margin-left: 8px; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  border-radius: var(--radius-sm);
}

.hamburger span {
  display: block;
  width: 22px; height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: transform var(--dur-med), opacity var(--dur-med), background var(--dur-med);
}

.nav.scrolled .hamburger span { background: var(--text); }

.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(15,23,42,0.97);
  backdrop-filter: blur(20px);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
  opacity: 0;
  transform: translateY(-20px);
  transition: opacity var(--dur-med), transform var(--dur-med);
}

.mobile-menu.open {
  display: flex;
  opacity: 1;
  transform: translateY(0);
}

.mobile-menu .nav-link {
  font-size: 24px;
  font-weight: 600;
  color: rgba(255,255,255,0.85);
}

/* ── SECTION: HERO ──────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--dark);
  isolation: isolate;
}

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

/* Animated sunburst gradient that follows mouse */
.hero-glow {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80vw 60vw at var(--mx, 50%) var(--my, 30%),
      rgba(245,158,11,0.18) 0%,
      rgba(245,158,11,0.06) 40%,
      transparent 70%),
    radial-gradient(ellipse 60vw 50vw at 80% 80%,
      rgba(34,197,94,0.06) 0%,
      transparent 60%),
    radial-gradient(ellipse 50vw 40vw at 20% 70%,
      rgba(37,99,235,0.05) 0%,
      transparent 60%);
  transition: background 0.1s;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black, transparent);
}

.hero-particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.particle {
  position: absolute;
  border-radius: 50%;
  background: var(--primary);
  animation: float-up linear infinite;
  opacity: 0;
}

@keyframes float-up {
  0%   { opacity: 0; transform: translateY(0) scale(0); }
  10%  { opacity: 0.6; }
  90%  { opacity: 0.3; }
  100% { opacity: 0; transform: translateY(-100vh) scale(1.5); }
}

.hero-content {
  position: relative;
  z-index: 1;
  width: 100%;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 64px;
  padding-top: 100px;
  padding-bottom: 80px;
}

.hero-text {}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--primary);
  background: rgba(245,158,11,0.12);
  border: 1px solid rgba(245,158,11,0.25);
  padding: 7px 16px;
  border-radius: var(--radius-pill);
  margin-bottom: 24px;
}

.hero-headline {
  font-size: clamp(40px, 5.5vw, 72px);
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: #fff;
  margin-bottom: 24px;
}

.hero-headline .line-accent { color: var(--primary); }

.hero-sub {
  font-size: clamp(16px, 1.8vw, 19px);
  color: rgba(255,255,255,0.65);
  line-height: 1.7;
  max-width: 50ch;
  margin-bottom: 40px;
}

.hero-ctas {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 48px;
}

.trust-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
  color: rgba(255,255,255,0.70);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.10);
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  backdrop-filter: blur(8px);
  transition: background var(--dur-med), border-color var(--dur-med), color var(--dur-med);
}

.trust-pill:hover {
  background: rgba(245,158,11,0.12);
  border-color: rgba(245,158,11,0.30);
  color: var(--primary-light);
}

.trust-pill svg { width: 14px; height: 14px; color: var(--primary); }

.hero-visual {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.hero-img-wrap {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl), 0 0 80px rgba(245,158,11,0.12);
  transform-style: preserve-3d;
  transition: transform 0.15s var(--ease-out);
  background: #1E293B;
}

.hero-img-wrap img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  display: block;
}

.hero-stat-cards {
  position: static;
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: flex-start;
}

.hero-stat-card {
  background: rgba(15,23,42,0.85);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  min-width: 160px;
  box-shadow: var(--shadow-lg);
}

.hero-stat-card .stat-val {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 26px;
  font-weight: 700;
  color: var(--primary);
}

.hero-stat-card .stat-label {
  font-size: 12px;
  color: rgba(255,255,255,0.55);
  margin-top: 2px;
}

.hero-scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.35);
  font-size: 11px;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  animation: scroll-bounce 2s ease-in-out infinite;
}

.scroll-mouse {
  width: 20px; height: 32px;
  border: 1.5px solid rgba(255,255,255,0.25);
  border-radius: 10px;
  display: flex;
  justify-content: center;
  padding-top: 6px;
}

.scroll-mouse::after {
  content: '';
  width: 3px; height: 6px;
  background: rgba(255,255,255,0.4);
  border-radius: 2px;
  animation: scroll-dot 2s ease-in-out infinite;
}

@keyframes scroll-dot {
  0%, 100% { opacity: 1; transform: translateY(0); }
  50%       { opacity: 0; transform: translateY(8px); }
}

@keyframes scroll-bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(6px); }
}

/* ── SECTION: PARTNER MARQUEE ───────────────────────────────── */
.marquee-section {
  padding: 40px 0;
  background: var(--subtle);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}

.marquee-label {
  text-align: center;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 28px;
}

.marquee-track-wrap {
  position: relative;
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, black 15%, black 85%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, black 15%, black 85%, transparent);
}

.marquee-track {
  display: flex;
  gap: 0;
  animation: marquee-scroll 30s linear infinite;
  width: max-content;
}

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

@keyframes marquee-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

.marquee-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 40px;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 16px;
  font-weight: 600;
  color: var(--muted);
  white-space: nowrap;
  transition: color var(--dur-med);
  border-right: 1px solid var(--border);
}

.marquee-item:hover { color: var(--text); }

.marquee-item .m-icon {
  width: 32px; height: 32px;
  background: linear-gradient(135deg, rgba(245,158,11,0.15), rgba(245,158,11,0.05));
  border: 1px solid rgba(245,158,11,0.20);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}

/* ── SECTION: WHY SOL NAVITAS ───────────────────────────────── */
.why-section {
  padding: var(--section-pad) 0;
  background: var(--bg);
}

.why-header {
  text-align: center;
  max-width: 620px;
  margin: 0 auto 64px;
}

.why-header h2 {
  font-size: clamp(28px, 4vw, 48px);
  margin-bottom: 16px;
}

.why-header p {
  font-size: 17px;
  color: var(--muted);
  line-height: 1.7;
}

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

.why-card {
  position: relative;
  padding: 40px 36px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  background: var(--bg);
  overflow: hidden;
  transition:
    transform var(--dur-med) var(--ease-out),
    box-shadow var(--dur-med) var(--ease-out),
    border-color var(--dur-med);
  cursor: default;
}

.why-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-slow) var(--ease-out);
}

.why-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 80% at 50% 100%, rgba(245,158,11,0.06), transparent);
  opacity: 0;
  transition: opacity var(--dur-slow);
}

.why-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(245,158,11,0.20);
}

.why-card:hover::before { transform: scaleX(1); }
.why-card:hover::after  { opacity: 1; }

.why-card-icon {
  width: 64px; height: 64px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin-bottom: 28px;
  position: relative;
  z-index: 1;
  transition: transform var(--dur-med) var(--ease-spring);
}

.why-card:hover .why-card-icon { transform: scale(1.08); }

.why-card-icon.yellow {
  background: rgba(245,158,11,0.12);
  border: 1px solid rgba(245,158,11,0.20);
}

.why-card-icon.green {
  background: rgba(34,197,94,0.10);
  border: 1px solid rgba(34,197,94,0.20);
}

.why-card-icon.blue {
  background: rgba(37,99,235,0.10);
  border: 1px solid rgba(37,99,235,0.20);
}

.why-card h3 {
  font-size: 21px;
  margin-bottom: 12px;
  position: relative; z-index: 1;
}

.why-card p {
  font-size: 15px;
  color: var(--muted);
  line-height: 1.7;
  position: relative; z-index: 1;
}

.why-card-detail {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  position: relative; z-index: 1;
}

.why-card-detail-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--muted);
}

.why-card-detail-item .check {
  width: 18px; height: 18px;
  background: rgba(34,197,94,0.12);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  color: var(--accent);
  flex-shrink: 0;
}

/* ── SECTION: PRODUCTS ──────────────────────────────────────── */
.products-section {
  padding: var(--section-pad) 0;
  background: var(--subtle);
}

.products-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 48px;
}

.products-header h2 {
  font-size: clamp(28px, 4vw, 48px);
  max-width: 18ch;
}

.products-header p {
  font-size: 16px;
  color: var(--muted);
  max-width: 40ch;
}

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

.product-card {
  background: var(--bg);
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
  transition:
    transform var(--dur-med) var(--ease-out),
    box-shadow var(--dur-med) var(--ease-out);
  transform-style: preserve-3d;
  perspective: 1200px;
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.product-card-img {
  position: relative;
  overflow: hidden;
  aspect-ratio: 3/2;
}

.product-card-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease-out);
}

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

.product-card-badge {
  position: absolute;
  top: 16px; left: 16px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #fff;
  background: var(--primary);
  padding: 5px 12px;
  border-radius: var(--radius-pill);
}

.product-card-body {
  padding: 28px;
}

.product-card-body h3 {
  font-size: 19px;
  margin-bottom: 10px;
}

.product-card-body > p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.65;
  margin-bottom: 20px;
}

.product-features {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 24px;
}

.product-feature {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--text);
}

.product-feature .dot {
  width: 6px; height: 6px;
  background: var(--primary);
  border-radius: 50%;
  flex-shrink: 0;
}

.product-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

.product-tag {
  font-size: 12px;
  font-weight: 600;
  color: var(--accent-dark);
  background: rgba(34,197,94,0.10);
  padding: 5px 12px;
  border-radius: var(--radius-pill);
}

.product-link {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary-dark);
  transition: gap var(--dur-fast);
}

.product-link:hover { gap: 10px; }

/* ── SECTION: HOW IT WORKS ──────────────────────────────────── */
.how-section {
  padding: var(--section-pad) 0;
  background: var(--dark);
  position: relative;
  overflow: hidden;
}

.how-section::before {
  content: '';
  position: absolute;
  top: -200px; left: 50%;
  transform: translateX(-50%);
  width: 800px; height: 800px;
  background: radial-gradient(circle, rgba(245,158,11,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.how-header {
  text-align: center;
  max-width: 560px;
  margin: 0 auto 72px;
}

.how-header h2 {
  font-size: clamp(28px, 4vw, 48px);
  color: #fff;
  margin-bottom: 16px;
}

.how-header p { font-size: 17px; color: rgba(255,255,255,0.55); }

.how-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  position: relative;
}

.how-line {
  position: absolute;
  top: 72px;
  left: calc(100% / 6);
  right: calc(100% / 6);
  height: 2px;
  background: rgba(255,255,255,0.08);
  overflow: hidden;
}

.how-line-progress {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 1.5s var(--ease-out);
}

.how-line-progress.animated { transform: scaleX(1); }

.how-step {
  padding: 40px 32px;
  text-align: center;
  position: relative;
}

.how-step-num {
  width: 48px; height: 48px;
  border-radius: 50%;
  border: 2px solid rgba(245,158,11,0.40);
  background: rgba(245,158,11,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 16px;
  font-weight: 700;
  color: var(--primary);
  margin: 0 auto 28px;
  position: relative;
  z-index: 1;
  transition: background var(--dur-med), border-color var(--dur-med), transform var(--dur-med);
}

.how-step:hover .how-step-num {
  background: rgba(245,158,11,0.20);
  border-color: var(--primary);
  transform: scale(1.1);
}

.how-step-icon {
  font-size: 40px;
  margin-bottom: 20px;
  display: block;
  transition: transform var(--dur-med) var(--ease-spring);
}

.how-step:hover .how-step-icon { transform: scale(1.1); }

.how-step h3 {
  font-size: 20px;
  color: #fff;
  margin-bottom: 12px;
}

.how-step p {
  font-size: 15px;
  color: rgba(255,255,255,0.50);
  line-height: 1.7;
}

.install-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: 56px;
  max-width: 960px;
  margin-left: auto;
  margin-right: auto;
}

.install-strip-item {
  margin: 0;
  border-radius: 14px;
  overflow: hidden;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
}

.install-strip-item img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  display: block;
}

.install-strip-item figcaption {
  padding: 10px 12px;
  font-size: 12px;
  font-weight: 600;
  color: rgba(255,255,255,0.65);
  letter-spacing: 0.02em;
  text-align: center;
}

@media (max-width: 768px) {
  .install-strip { grid-template-columns: repeat(2, 1fr); margin-top: 40px; }
}

@media (max-width: 480px) {
  .install-strip { grid-template-columns: 1fr 1fr; gap: 10px; }
}

/* ── SECTION: CALCULATOR ────────────────────────────────────── */
.calc-section {
  padding: var(--section-pad) 0;
  background: var(--bg);
}

.calc-header {
  text-align: center;
  max-width: 620px;
  margin: 0 auto 56px;
}

.calc-header h2 {
  font-size: clamp(28px, 4vw, 48px);
  margin-bottom: 16px;
}

.calc-header p { font-size: 17px; color: var(--muted); line-height: 1.7; }

.calc-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 32px;
  align-items: start;
}

.calc-inputs {
  background: var(--subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 36px;
}

.calc-inputs h3 {
  font-size: 18px;
  margin-bottom: 28px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.form-group {
  margin-bottom: 24px;
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: 0.02em;
  margin-bottom: 10px;
}

.form-input {
  width: 100%;
  padding: 12px 16px;
  font-family: 'Inter', sans-serif;
  font-size: 15px;
  color: var(--text);
  background: var(--bg);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  outline: none;
  transition: border-color var(--dur-fast), box-shadow var(--dur-fast);
  -webkit-appearance: none;
}

.form-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(245,158,11,0.12);
}

.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2364748B' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
  cursor: pointer;
}

/* Radio group */
.radio-group {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.radio-option {
  position: relative;
}

.radio-option input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
}

.radio-label {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 14px 12px;
  background: var(--bg);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  transition: all var(--dur-fast);
  text-align: center;
}

.radio-label .r-icon { font-size: 22px; }

.radio-option input:checked + .radio-label {
  border-color: var(--primary);
  background: rgba(245,158,11,0.06);
  color: var(--primary-dark);
  box-shadow: 0 0 0 3px rgba(245,158,11,0.12);
}

/* Toggle */
.toggle-group {
  display: flex;
  background: var(--bg);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.toggle-option {
  flex: 1;
  padding: 11px;
  font-size: 14px;
  font-weight: 600;
  color: var(--muted);
  text-align: center;
  cursor: pointer;
  transition: all var(--dur-fast);
  border: none;
  background: none;
}

.toggle-option.active {
  background: var(--primary);
  color: #fff;
}

/* Range slider */
.range-wrap {
  position: relative;
}

.form-range {
  width: 100%;
  -webkit-appearance: none;
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  outline: none;
  margin-bottom: 8px;
}

.form-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px; height: 20px;
  background: var(--primary);
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 0 0 4px rgba(245,158,11,0.20);
  transition: box-shadow var(--dur-fast);
}

.form-range::-webkit-slider-thumb:hover {
  box-shadow: 0 0 0 6px rgba(245,158,11,0.25);
}

.range-val {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--muted);
}

.range-current {
  font-weight: 700;
  color: var(--primary);
}

/* Calculator output */
.calc-output {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.calc-output-card {
  background: var(--dark);
  border-radius: var(--radius-xl);
  padding: 36px;
  color: #fff;
}

.calc-output-card h3 {
  font-size: 16px;
  color: rgba(255,255,255,0.55);
  font-weight: 500;
  margin-bottom: 24px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}

.kpi-item {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  padding: 20px;
  text-align: center;
}

.kpi-value {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 32px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 6px;
  transition: all var(--dur-slow);
}

.kpi-label {
  font-size: 12px;
  color: rgba(255,255,255,0.45);
  line-height: 1.4;
}

.kpi-sub {
  font-size: 11px;
  color: rgba(255,255,255,0.30);
  margin-top: 4px;
}

.calc-chart-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.calc-chart-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 28px;
}

.calc-chart-card h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* Progress rings */
.ring-wrap {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  width: 100px; height: 100px;
  margin: 0 auto 12px;
}

.ring-svg { transform: rotate(-90deg); }

.ring-track {
  fill: none;
  stroke: var(--subtle);
  stroke-width: 8;
}

.ring-fill {
  fill: none;
  stroke: var(--primary);
  stroke-width: 8;
  stroke-linecap: round;
  stroke-dasharray: 251.2;
  stroke-dashoffset: 251.2;
  transition: stroke-dashoffset 1.5s var(--ease-out);
}

.ring-fill.green  { stroke: var(--accent); }
.ring-fill.blue   { stroke: var(--tech-blue); }

.ring-label {
  position: absolute;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
}

/* ── SECTION: BEFORE / AFTER ────────────────────────────────── */
.compare-section {
  padding: var(--section-pad) 0;
  background: var(--subtle);
}

.compare-header {
  text-align: center;
  max-width: 560px;
  margin: 0 auto 56px;
}

.compare-header h2 { font-size: clamp(28px, 4vw, 48px); margin-bottom: 16px; }
.compare-header p  { font-size: 17px; color: var(--muted); }

.compare-panel {
  max-width: 920px;
  margin: 0 auto;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.compare-panel-photo {
  width: 100%;
  max-height: 340px;
  overflow: hidden;
  background: #E2E8F0;
}

.compare-panel-photo img {
  width: 100%;
  height: 100%;
  max-height: 340px;
  object-fit: cover;
  display: block;
}

.compare-panel-body {
  padding: 32px 36px 36px;
  --compare-icon-size: 28px;
  --compare-icon-gap: 12px;
  --compare-col-gap: 32px;
}

.compare-panel-labels {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  column-gap: var(--compare-col-gap);
  margin-bottom: 8px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.compare-label {
  display: flex;
  align-items: center;
  gap: var(--compare-icon-gap);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  min-width: 0;
}

/* Invisible spacer — aligns header text with row titles (after icons) */
.compare-label::before {
  content: '';
  flex-shrink: 0;
  width: var(--compare-icon-size);
  height: var(--compare-icon-size);
}

.compare-label.before { color: #DC2626; }
.compare-label.after  { color: #16A34A; }

.compare-rows {
  display: flex;
  flex-direction: column;
}

.compare-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  column-gap: var(--compare-col-gap);
  align-items: center;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
}

.compare-row:last-child { border-bottom: none; }

.compare-side {
  display: flex;
  align-items: center;
  gap: var(--compare-icon-gap);
  min-width: 0;
}

.compare-side > div {
  flex: 1;
  min-width: 0;
}

.compare-side strong {
  display: block;
  font-size: 15px;
  margin-bottom: 4px;
  color: var(--text);
  line-height: 1.35;
}

.compare-side span {
  display: block;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.5;
}

.compare-mark {
  flex-shrink: 0;
  width: var(--compare-icon-size);
  height: var(--compare-icon-size);
  border-radius: 50%;
  display: grid;
  place-items: center;
  line-height: 0;
}

.compare-mark svg {
  display: block;
  width: 14px;
  height: 14px;
}

.compare-side.before .compare-mark {
  background: #FEE2E2;
  color: #DC2626;
}

.compare-side.after .compare-mark {
  background: #DCFCE7;
  color: #16A34A;
}

.compare-panel-foot {
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.compare-panel-foot p {
  flex: 1;
  min-width: 220px;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.55;
  margin: 0;
}

@media (max-width: 768px) {
  .compare-panel-body { padding: 24px 20px 28px; }
  .compare-panel-labels { display: none; }
  .compare-row {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 16px 0;
  }
  .compare-side.after {
    padding-left: 12px;
    border-left: 3px solid var(--accent);
  }
  .compare-panel-foot {
    flex-direction: column;
    align-items: stretch;
    text-align: center;
  }
  .compare-panel-foot .btn { width: 100%; justify-content: center; }
}

/* ── SECTION: INDUSTRIES ────────────────────────────────────── */
.industries-section {
  padding: var(--section-pad) 0;
  background: var(--bg);
}

.industries-header {
  text-align: center;
  max-width: 560px;
  margin: 0 auto 56px;
}

.industries-header h2 { font-size: clamp(28px, 4vw, 48px); margin-bottom: 16px; }
.industries-header p  { font-size: 17px; color: var(--muted); }

.industries-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.industry-card {
  padding: 32px 28px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  background: var(--bg);
  text-align: center;
  cursor: default;
  transition:
    transform var(--dur-med) var(--ease-out),
    box-shadow var(--dur-med) var(--ease-out),
    border-color var(--dur-med),
    background var(--dur-med);
}

.industry-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(245,158,11,0.25);
  background: rgba(245,158,11,0.02);
}

.industry-icon {
  font-size: 40px;
  display: block;
  margin: 0 auto 16px;
  transition: transform var(--dur-med) var(--ease-spring);
}

.industry-card:hover .industry-icon { transform: scale(1.15); }

.industry-card h3 { font-size: 17px; margin-bottom: 8px; }
.industry-card p  { font-size: 14px; color: var(--muted); line-height: 1.6; }

/* ── SECTION: SUSTAINABILITY STATS ─────────────────────────── */
.stats-section {
  padding: var(--section-pad) 0;
  background: linear-gradient(135deg, var(--dark) 0%, #0a1628 100%);
  position: relative;
  overflow: hidden;
}

.stats-section::before {
  content: '';
  position: absolute;
  bottom: -100px; right: -100px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(245,158,11,0.08) 0%, transparent 70%);
}

.stats-header {
  text-align: center;
  max-width: 560px;
  margin: 0 auto 64px;
}

.stats-header h2 {
  font-size: clamp(28px, 4vw, 48px);
  color: #fff;
  margin-bottom: 16px;
}

.stats-header p { font-size: 17px; color: rgba(255,255,255,0.50); }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.stat-card {
  text-align: center;
  padding: 40px 24px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-xl);
  transition: transform var(--dur-med) var(--ease-out), background var(--dur-med);
}

.stat-card:hover {
  transform: translateY(-6px);
  background: rgba(255,255,255,0.07);
}

.stat-icon {
  font-size: 36px;
  display: block;
  margin-bottom: 20px;
}

.stat-number {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(36px, 4vw, 56px);
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 10px;
}

.stat-suffix { font-size: 0.65em; vertical-align: super; }

.stat-label {
  font-size: 15px;
  color: rgba(255,255,255,0.55);
  line-height: 1.5;
}

/* ── SECTION: FAQ ───────────────────────────────────────────── */
.faq-section {
  padding: var(--section-pad) 0;
  background: var(--bg);
}

.faq-inner {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 80px;
  align-items: start;
}

.faq-sidebar h2 {
  font-size: clamp(28px, 4vw, 44px);
  margin-bottom: 16px;
}

.faq-sidebar p {
  font-size: 16px;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 32px;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--border);
}

.faq-item {
  border-bottom: 1px solid var(--border);
}

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

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 24px 28px;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  transition: background var(--dur-fast), color var(--dur-fast);
  background: var(--bg);
}

.faq-question:hover { background: var(--subtle); }
.faq-item.open .faq-question { color: var(--primary-dark); background: rgba(245,158,11,0.04); }

.faq-chevron {
  width: 20px; height: 20px;
  flex-shrink: 0;
  border: 1.5px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--dur-med) var(--ease-out), background var(--dur-med), border-color var(--dur-med);
  font-size: 11px;
  color: var(--muted);
}

.faq-item.open .faq-chevron {
  transform: rotate(180deg);
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s var(--ease-out);
}

.faq-answer-inner {
  padding: 0 28px 24px;
  font-size: 15px;
  color: var(--muted);
  line-height: 1.75;
}

/* ── SECTION: CONTACT CTA ───────────────────────────────────── */
.cta-section {
  padding: var(--section-pad) 0;
  background: var(--dark);
  position: relative;
  overflow: hidden;
  text-align: center;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -200px; left: 50%;
  transform: translateX(-50%);
  width: 900px; height: 900px;
  background: radial-gradient(circle, rgba(245,158,11,0.10) 0%, transparent 65%);
  animation: cta-glow 6s ease-in-out infinite alternate;
}

@keyframes cta-glow {
  from { transform: translateX(-50%) scale(0.9); opacity: 0.7; }
  to   { transform: translateX(-50%) scale(1.1); opacity: 1; }
}

.cta-inner {
  position: relative;
  z-index: 1;
  max-width: 700px;
  margin: 0 auto;
}

.cta-inner h2 {
  font-size: clamp(32px, 5vw, 60px);
  color: #fff;
  margin-bottom: 20px;
}

.cta-inner p {
  font-size: 18px;
  color: rgba(255,255,255,0.60);
  line-height: 1.7;
  margin-bottom: 40px;
  max-width: 52ch;
  margin-inline: auto;
  margin-bottom: 40px;
}

.cta-buttons {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ── FOOTER ─────────────────────────────────────────────────── */
.footer {
  background: #080e1a;
  color: rgba(255,255,255,0.55);
  padding: 64px 0 32px;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.footer-brand {}

.footer-logo {
  height: 32px;
  filter: brightness(0) invert(0.7);
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.7;
  max-width: 28ch;
  margin-bottom: 24px;
}

.footer-social {
  display: flex;
  gap: 10px;
}

.footer-social-link {
  width: 36px; height: 36px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  color: rgba(255,255,255,0.45);
  transition: background var(--dur-med), color var(--dur-med), border-color var(--dur-med);
  text-decoration: none;
}

.footer-social-link:hover {
  background: rgba(245,158,11,0.15);
  border-color: rgba(245,158,11,0.30);
  color: var(--primary);
}

.footer-col h4 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 13px;
  font-weight: 700;
  color: rgba(255,255,255,0.80);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  font-size: 14px;
  color: rgba(255,255,255,0.45);
  transition: color var(--dur-fast);
  text-decoration: none;
}

.footer-links a:hover { color: rgba(255,255,255,0.85); }

.footer-bottom {
  padding-top: 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px 24px;
  flex-wrap: wrap;
}

.footer-copy {
  font-size: 13px;
  color: rgba(255,255,255,0.30);
}

.footer-legal {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-legal a {
  font-size: 13px;
  color: rgba(255,255,255,0.30);
  transition: color var(--dur-fast);
  text-decoration: none;
}

.footer-legal a:hover { color: rgba(255,255,255,0.60); }

.footer-powered {
  width: 100%;
  font-size: 12px;
  color: rgba(255,255,255,0.20);
  letter-spacing: 0.02em;
  order: 10;
}
.footer-powered strong { color: rgba(255,255,255,0.35); font-weight: 600; }
.footer-powered a { color: rgba(245,158,11,0.5); text-decoration: none; transition: color var(--dur-fast); }
.footer-powered a:hover { color: var(--primary); }

/* ── PROJECTS SECTION ───────────────────────────────────────── */
.projects-section {
  padding: var(--section-pad) 0;
  background: var(--bg);
}

.projects-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 56px;
}

.projects-header p {
  font-size: 17px;
  color: var(--muted);
  margin-top: 12px;
  line-height: 1.65;
}

.projects-layout {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 48px;
  align-items: start;
}

.projects-copy h3 {
  font-size: clamp(22px, 3vw, 28px);
  margin-bottom: 14px;
}

.projects-copy > p {
  color: var(--muted);
  line-height: 1.65;
  margin-bottom: 24px;
}

.projects-benefits {
  list-style: none;
  padding: 0;
  margin: 0 0 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.projects-benefits li {
  position: relative;
  padding-left: 28px;
  font-size: 15px;
  color: var(--text);
  line-height: 1.5;
}

.projects-benefits li::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 0;
  color: var(--accent);
  font-weight: 700;
}

.projects-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.projects-cards {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.project-card {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 16px;
  align-items: center;
  background: var(--subtle);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  transition: box-shadow var(--dur-med), transform var(--dur-med);
}

.project-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.project-card-img {
  height: 100%;
  min-height: 110px;
  overflow: hidden;
}

.project-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.project-card-body {
  padding: 16px 16px 16px 0;
}

.project-type {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 6px;
}

.project-card-body h4 {
  font-size: 17px;
  margin-bottom: 6px;
}

.project-card-body p {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.5;
  margin: 0;
}

.projects-more {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 40px;
  padding-top: 40px;
  border-top: 1px solid var(--border);
}

.project-card-wide {
  grid-template-columns: 1fr;
  align-items: stretch;
}

.project-card-wide .project-card-img {
  min-height: 160px;
  height: auto;
}

.project-card-wide .project-card-body {
  padding: 16px;
}

@media (max-width: 900px) {
  .projects-layout { grid-template-columns: 1fr; gap: 36px; }
  .projects-copy { text-align: center; }
  .projects-benefits { text-align: left; }
  .projects-ctas { justify-content: center; }
  .projects-more { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
  .project-card { grid-template-columns: 1fr; }
  .project-card-img { min-height: 180px; }
  .project-card-body { padding: 0 16px 16px; }
}

/* ── GSAP INITIAL STATES ────────────────────────────────────── */
.fade-up {
  opacity: 0;
  transform: translateY(32px);
}

.fade-in {
  opacity: 0;
}

/* ── RESPONSIVE ─────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .hero-inner       { grid-template-columns: 1fr; gap: 48px; text-align: center; }
  .hero-text        { max-width: 640px; margin: 0 auto; }
  .hero-sub         { max-width: none; }
  .hero-ctas        { justify-content: center; }
  .hero-trust       { justify-content: center; }
  .hero-visual      { max-width: 560px; margin: 0 auto; }
  .hero-stat-cards  { justify-content: center; }
  .why-cards        { grid-template-columns: repeat(2, 1fr); }
  .products-grid    { grid-template-columns: repeat(2, 1fr); }
  .stats-grid       { grid-template-columns: repeat(2, 1fr); }
  .footer-top       { grid-template-columns: 1fr 1fr; }
  .calc-grid        { grid-template-columns: 1fr; }
  .calc-chart-row   { grid-template-columns: 1fr 1fr; }
  .faq-inner        { grid-template-columns: 1fr; gap: 40px; }
  .industries-grid  { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
  :root { --section-pad: 64px; }

  .nav-links { display: none; }
  .hamburger { display: flex; }

  .hero-inner { padding-top: 90px; padding-bottom: 60px; }
  .hero-headline { font-size: clamp(36px, 8vw, 56px); }

  .why-cards        { grid-template-columns: 1fr; }
  .products-grid    { grid-template-columns: 1fr; }
  .products-header  { flex-direction: column; align-items: flex-start; }
  .stats-grid       { grid-template-columns: repeat(2, 1fr); }
  .industries-grid  { grid-template-columns: repeat(2, 1fr); }
  .how-steps        { grid-template-columns: 1fr; }
  .how-line         { display: none; }
  .kpi-grid         { grid-template-columns: 1fr; }
  .calc-chart-row   { grid-template-columns: 1fr; }
  .footer-top       { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom    { flex-direction: column; align-items: flex-start; gap: 16px; }
  .radio-group      { grid-template-columns: repeat(2, 1fr); }
  .cta-buttons      { flex-direction: column; align-items: center; }
}

@media (max-width: 480px) {
  .industries-grid { grid-template-columns: 1fr 1fr; }
  .stats-grid      { grid-template-columns: 1fr 1fr; }
  .hero-ctas       { flex-direction: column; align-items: center; }
  .radio-group     { grid-template-columns: 1fr 1fr; }
}