:root {
  --ink: #102033;
  --muted: #637184;
  --line: rgba(16, 32, 51, .12);
  --green: #1a8a58;
  --green-2: #72b62a;
  --blue: #1e76b3;
  --paper: #f4f7f4;
  --white: #fff;
  --dark: #071a13;
  --shadow: 0 22px 70px rgba(12, 36, 25, .16);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
}
a { color: inherit; }

.site-header {
  position: fixed;
  inset: 16px 20px auto;
  z-index: 20;
  min-height: 66px;
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 10px 12px 10px 18px;
  border: 1px solid rgba(255,255,255,.38);
  border-radius: 8px;
  background: rgba(255,255,255,.82);
  backdrop-filter: blur(16px);
  box-shadow: 0 14px 46px rgba(8, 28, 19, .14);
  transition: transform .2s ease, background .2s ease;
}
.site-header.is-elevated { background: rgba(255,255,255,.95); }
.brand-link img { width: 178px; height: 44px; object-fit: contain; object-position: left center; display: block; }
.site-nav { display: flex; gap: 4px; margin-left: auto; }
.site-nav a,
.header-cta {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 12px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 700;
  font-size: 13px;
}
.site-nav a:hover { background: rgba(26, 138, 88, .08); color: var(--green); }
.header-cta { background: var(--green); color: #fff; }

.hero {
  position: relative;
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 420px);
  align-items: center;
  gap: 38px;
  padding: 132px min(6vw, 96px) 70px;
  overflow: hidden;
  color: #fff;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(90deg, rgba(4, 20, 14, .92), rgba(4, 20, 14, .54) 50%, rgba(4, 20, 14, .2)), url("../img/commercial-hero.png");
  background-size: cover;
  background-position: center;
  transform: scale(1.04);
  animation: heroDrift 18s ease-in-out infinite alternate;
}
.hero-scan {
  position: absolute;
  inset: -25% -10%;
  background: linear-gradient(115deg, transparent 0 42%, rgba(151,255,198,.18) 46%, transparent 52% 100%);
  animation: scan 5.8s linear infinite;
}
.hero-content,
.hero-panel {
  position: relative;
  z-index: 1;
}
.eyebrow,
.section-title span,
.solution-copy span,
.roi-card span {
  display: inline-flex;
  color: #9ce7b7;
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0;
}
.hero h1 {
  max-width: 980px;
  margin: 16px 0;
  font-size: clamp(42px, 6vw, 86px);
  line-height: .96;
  letter-spacing: 0;
}
.hero p {
  max-width: 760px;
  margin: 0;
  color: rgba(255,255,255,.82);
  font-size: clamp(17px, 1.5vw, 22px);
  line-height: 1.58;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}
.btn-primary,
.btn-ghost {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 900;
}
.btn-primary { background: #8bd841; color: #071a13; box-shadow: 0 16px 42px rgba(139,216,65,.28); }
.btn-ghost { border: 1px solid rgba(255,255,255,.34); color: #fff; background: rgba(255,255,255,.08); }
.hero-proof {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  max-width: 760px;
  margin-top: 36px;
}
.hero-proof div {
  border-top: 1px solid rgba(255,255,255,.28);
  padding-top: 14px;
}
.hero-proof strong { display: block; font-size: 36px; line-height: 1; }
.hero-proof span { color: rgba(255,255,255,.72); font-size: 13px; line-height: 1.4; }

.hero-panel {
  align-self: end;
  padding: 16px;
  border: 1px solid rgba(255,255,255,.28);
  border-radius: 8px;
  background: rgba(255,255,255,.12);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}
.panel-map {
  position: relative;
  height: 240px;
  border-radius: 8px;
  overflow: hidden;
  background: url("../img/commercial-hero.png") center/cover;
}
.panel-map::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(8,42,28,.08), rgba(18,118,70,.45));
}
.pin {
  position: absolute;
  z-index: 1;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 0 0 10px rgba(139,216,65,.28);
  animation: pulse 1.8s infinite;
}
.pin-a { left: 26%; top: 34%; }
.pin-b { left: 62%; top: 46%; animation-delay: .4s; }
.pin-c { left: 76%; top: 22%; animation-delay: .8s; }
.panel-row {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 2px 0;
  color: rgba(255,255,255,.75);
}
.panel-row strong { color: #fff; }

.section {
  padding: 92px min(6vw, 96px);
}
.section-title {
  max-width: 850px;
  margin-bottom: 32px;
}
.section-title span,
.solution-copy span,
.roi-card span { color: var(--green); }
.section-title h2,
.solution-copy h2,
.roi-card h2,
.cta-section h2 {
  margin: 10px 0;
  font-size: clamp(30px, 4vw, 56px);
  line-height: 1.04;
  letter-spacing: 0;
}
.section-title p,
.solution-copy p,
.roi-card p {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.65;
}

.problem-tabs {
  display: grid;
  grid-template-columns: 310px minmax(0, 1fr);
  gap: 20px;
}
.tab-buttons {
  display: grid;
  gap: 10px;
}
.tab-buttons button,
.flow-steps button {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}
.tab-buttons button {
  min-height: 58px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  text-align: left;
}
.tab-buttons button.active,
.flow-steps button.active {
  border-color: rgba(26,138,88,.32);
  background: #eaf7ef;
  color: var(--green);
}
.tab-content {
  display: none;
  min-height: 360px;
  padding: 34px;
  border-radius: 8px;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.tab-content.active { display: block; }
.tab-content h3 { margin: 0 0 12px; font-size: 34px; }
.tab-content p,
.tab-content li { color: var(--muted); line-height: 1.7; }

.solution-section {
  display: grid;
  grid-template-columns: minmax(0, .82fr) minmax(320px, 1fr);
  gap: 34px;
  align-items: center;
  background: #fff;
}
.flow-steps {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 24px 0 12px;
}
.flow-steps button { min-height: 40px; padding: 8px 12px; }
.solution-visual img {
  width: 100%;
  border-radius: 8px;
  display: block;
  box-shadow: var(--shadow);
}
.step-description {
  min-height: 58px;
  padding: 16px;
  border-left: 4px solid var(--green);
  background: #f2f8f4;
}

.module-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}
.module-grid article,
.quality-grid div {
  min-height: 218px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 10px 34px rgba(16,32,51,.06);
}
.module-grid i {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: #eaf7ef;
  color: var(--green);
  font-size: 18px;
}
.module-grid h3 { margin: 18px 0 8px; }
.module-grid p,
.quality-grid p { color: var(--muted); line-height: 1.6; }

.roi-section {
  background: var(--dark);
}
.roi-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 360px) minmax(240px, 310px);
  gap: 26px;
  align-items: center;
  padding: 34px;
  border-radius: 8px;
  background: #fff;
}
.roi-controls {
  display: grid;
  gap: 22px;
}
.roi-controls label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-weight: 700;
}
.roi-controls strong { color: var(--ink); }
input[type="range"] { accent-color: var(--green); width: 100%; }
.roi-result {
  padding: 24px;
  border-radius: 8px;
  background: #eaf7ef;
}
.roi-result strong {
  display: block;
  font-size: 64px;
  line-height: 1;
  color: var(--green);
}
.roi-result small { color: var(--muted); line-height: 1.55; }

.quality-section { background: #fff; }
.quality-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}
.quality-grid strong { font-size: 22px; }

.cta-section {
  position: relative;
  padding: 110px min(6vw, 96px);
  color: #fff;
  background-image: linear-gradient(90deg, rgba(4,20,14,.94), rgba(4,20,14,.64)), url("../img/commercial-hero.png");
  background-size: cover;
  background-position: center;
}
.cta-content { max-width: 860px; }
.cta-section p {
  color: rgba(255,255,255,.78);
  font-size: 18px;
  line-height: 1.65;
}

.commercial-footer {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 18px;
  padding: 24px min(6vw, 96px);
  background: #071a13;
  color: rgba(255,255,255,.66);
  font-size: 12px;
}
.commercial-footer img { width: 150px; height: 40px; object-fit: contain; object-position: left center; }
.commercial-footer nav { display: flex; flex-wrap: wrap; gap: 12px; }
.commercial-footer a { color: rgba(255,255,255,.8); text-decoration: none; }

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .65s ease, transform .65s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes heroDrift {
  from { transform: scale(1.04) translate3d(0, 0, 0); }
  to { transform: scale(1.09) translate3d(-24px, 14px, 0); }
}
@keyframes scan {
  from { transform: translateX(-45%); }
  to { transform: translateX(45%); }
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 8px rgba(139,216,65,.28); }
  50% { box-shadow: 0 0 0 18px rgba(139,216,65,.04); }
}

@media (max-width: 1080px) {
  .site-nav { display: none; }
  .hero,
  .solution-section,
  .roi-card { grid-template-columns: 1fr; }
  .hero-panel { align-self: auto; }
  .module-grid,
  .quality-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .problem-tabs { grid-template-columns: 1fr; }
  .tab-buttons { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .commercial-footer { grid-template-columns: 1fr; }
}

@media (max-width: 680px) {
  .site-header { inset: 10px; padding: 8px; }
  .brand-link img { width: 142px; }
  .header-cta { font-size: 0; gap: 0; }
  .header-cta i { font-size: 17px; }
  .hero { padding: 112px 18px 42px; }
  .section { padding: 64px 18px; }
  .hero-proof,
  .module-grid,
  .quality-grid,
  .tab-buttons { grid-template-columns: 1fr; }
  .tab-content { padding: 22px; }
  .tab-content h3 { font-size: 26px; }
  .roi-card { padding: 22px; }
}