/* ============================================================
   Unite Save — Homepage Stylesheet
   Dark theme · lime + violet accents on near-black green-tinted base
   ============================================================ */

:root {
  --bg: #0B0F0D;
  --bg-elev: #0F1411;
  --surface: #141B16;
  --surface-2: #1A231C;
  --border: #263328;
  --border-soft: #1F2A22;
  --text: #ECF0ED;
  --text-muted: #A0ADA4;
  --accent: #B8FF4A;
  --accent-2: #8A7CFF;
  --accent-ink: #0B0F0D;
  --accent-soft: #1C2915;
  --accent-2-soft: #1B1830;
  --ring: #3A4A3D;
  --maxw: 1180px;
  --radius: 14px;
  --radius-lg: 22px;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.45);
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-size: 16px;
  font-family: var(--font-body);
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

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

h1, h2, h3 {
  line-height: 1.15;
  letter-spacing: -0.02em;
}

/* ---------- Navigation (split nav, CTA on the left) ---------- */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 28px;
  padding: 16px 40px;
  background-color: var(--bg);
  border-bottom: 1px solid var(--border-soft);
}

.site-nav.scrolled {
  background-color: var(--bg-elev);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

.nav-cta {
  order: 1;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background-color: var(--accent);
  color: var(--accent-ink);
  font-weight: 700;
  font-size: 0.95rem;
  border-radius: 999px;
  white-space: nowrap;
  transition: background-color 0.2s ease, transform 0.2s ease;
}

.nav-cta:hover {
  background-color: #c9ff6e;
  transform: translateY(-1px);
}

.nav-links {
  order: 2;
  display: flex;
  align-items: center;
  gap: 28px;
  margin: 0 auto;
}

.nav-links a {
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

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

.nav-brand {
  order: 3;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: -0.01em;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background-color: var(--accent);
  color: var(--accent-ink);
  font-size: 0.8rem;
  font-weight: 800;
}

.nav-toggle {
  order: 4;
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 6px;
}

.nav-toggle .bar {
  width: 24px;
  height: 2px;
  background-color: var(--text);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.nav-toggle.open .bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.open .bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle.open .bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---------- Shared section scaffolding ---------- */
main {
  display: block;
}

section {
  padding: 96px 40px;
}

.section-head {
  max-width: 760px;
  margin: 0 0 56px;
}

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

.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  background-color: var(--accent-soft);
  border: 1px solid var(--border);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 18px;
}

.section-title {
  font-size: clamp(1.9rem, 4vw, 2.8rem);
  font-weight: 800;
  color: var(--text);
  margin-bottom: 16px;
}

.section-intro {
  font-size: 1.08rem;
  color: var(--text-muted);
  max-width: 640px;
}

/* ---------- Hero (centered + floating stat card cluster) ---------- */
.hero {
  position: relative;
  padding: 180px 40px 120px;
  text-align: center;
  background:
    radial-gradient(900px 420px at 50% -10%, var(--accent-soft), transparent 60%),
    radial-gradient(700px 380px at 85% 110%, var(--accent-2-soft), transparent 60%),
    var(--bg);
}

.hero-inner {
  max-width: 860px;
  margin: 0 auto;
}

.hero-eyebrow {
  display: inline-block;
  color: var(--accent);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 22px;
}

.hero-title {
  font-size: clamp(2.3rem, 5.4vw, 3.9rem);
  font-weight: 800;
  color: var(--text);
  margin-bottom: 24px;
}

.hero-lead {
  font-size: 1.18rem;
  color: var(--text-muted);
  max-width: 700px;
  margin: 0 auto 36px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.98rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background-color: var(--accent);
  color: var(--accent-ink);
}

.btn-primary:hover {
  background-color: #c9ff6e;
}

.btn-secondary {
  background-color: transparent;
  color: var(--text);
  border-color: var(--ring);
}

.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn-full {
  width: 100%;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  max-width: 980px;
  margin: 72px auto 0;
  padding: 0 16px;
}

.stat-card {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 26px 20px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.stat-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent);
}

.stat-value {
  display: block;
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ---------- Method (numbered steps) ---------- */
.method {
  background-color: var(--bg-elev);
}

.steps {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  counter-reset: step;
}

.step {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 34px 28px;
  position: relative;
  overflow: hidden;
}

.step-num {
  display: block;
  font-size: 3rem;
  font-weight: 800;
  line-height: 1;
  color: #3C4A40;
  margin-bottom: 14px;
}

.step-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
}

.step-text {
  color: var(--text-muted);
  font-size: 0.98rem;
}

/* ---------- Comparison table ---------- */
.compare {
  background-color: var(--bg);
}

.table-wrap {
  max-width: 980px;
  margin: 0 auto;
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background-color: var(--surface);
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 680px;
}

.compare-table th,
.compare-table td {
  padding: 18px 22px;
  text-align: left;
  border-bottom: 1px solid var(--border-soft);
  font-size: 0.98rem;
}

.compare-table thead th {
  background-color: var(--surface-2);
  color: var(--text);
  font-weight: 700;
  white-space: nowrap;
}

.compare-table tbody tr:last-child th,
.compare-table tbody tr:last-child td {
  border-bottom: 0;
}

.compare-table tbody th {
  color: var(--text);
  font-weight: 700;
  white-space: nowrap;
  width: 24%;
}

.compare-table td {
  color: var(--text-muted);
}

.col-legacy {
  color: var(--text-muted);
}

.col-unite {
  color: var(--accent);
}

/* ---------- Metrics band ---------- */
.metrics {
  background-color: var(--accent);
  color: var(--accent-ink);
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 48px;
  align-items: center;
}

.metrics-title {
  font-size: clamp(1.8rem, 3.6vw, 2.6rem);
  font-weight: 800;
  color: var(--accent-ink);
  margin-bottom: 14px;
}

.metrics-text {
  font-size: 1.05rem;
  color: #1e2a14;
  max-width: 560px;
}

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

.metric {
  border-left: 3px solid var(--accent-ink);
  padding-left: 18px;
}

.metric-value {
  display: block;
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--accent-ink);
  line-height: 1;
  margin-bottom: 8px;
}

.metric-label {
  font-size: 0.9rem;
  color: #1e2a14;
  font-weight: 600;
}

/* ---------- Capabilities (bento grid) ---------- */
.capabilities {
  background-color: var(--bg-elev);
}

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

.bento-card {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 34px 30px;
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.bento-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-2);
}

.bento-wide {
  grid-column: span 2;
}

.bento-num {
  display: block;
  font-size: 1rem;
  font-weight: 800;
  color: var(--accent-2);
  letter-spacing: 0.06em;
  margin-bottom: 14px;
}

.bento-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
}

.bento-text {
  color: var(--text-muted);
  font-size: 0.98rem;
}

/* ---------- Why us (alternating rows) ---------- */
.why-us {
  background-color: var(--bg);
}

.why-rows {
  max-width: 980px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.why-row {
  display: flex;
  align-items: center;
  gap: 32px;
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 30px 34px;
}

.why-row-reverse {
  flex-direction: row-reverse;
}

.why-copy {
  flex: 1;
}

.why-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
}

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

.why-mark {
  flex: 0 0 auto;
  width: 72px;
  height: 72px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background-color: var(--accent-soft);
  border: 1px solid var(--accent);
  color: var(--accent);
  font-size: 1.4rem;
  font-weight: 800;
}

/* ---------- Industries ---------- */
.industries {
  background-color: var(--bg-elev);
}

.industry-tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  max-width: 900px;
}

.industry-tags li {
  background-color: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.industry-tags li:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ---------- Contact ---------- */
.contact {
  background-color: var(--bg);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  max-width: 1080px;
  margin: 0 auto;
}

.contact-info {
  padding-right: 20px;
}

.contact-text {
  color: var(--text-muted);
  margin-bottom: 28px;
  font-size: 1.05rem;
}

.contact-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.contact-list li {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.contact-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  font-weight: 700;
}

.contact-list a {
  color: var(--text);
  font-weight: 600;
}

.contact-list a:hover {
  color: var(--accent);
}

.contact-list span {
  color: var(--text-muted);
}

.contact-form {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 34px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.field label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
}

.field input,
.field textarea {
  background-color: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 13px 16px;
  color: var(--text);
  font-size: 1rem;
  font-family: var(--font-body);
  transition: border-color 0.2s ease;
}

.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.field input::placeholder,
.field textarea::placeholder {
  color: #5b665e;
}

.form-note {
  font-size: 0.9rem;
  color: var(--accent);
  min-height: 1.2em;
}

/* ---------- Footer ---------- */
.site-footer {
  background-color: var(--bg-elev);
  border-top: 1px solid var(--border-soft);
}

.newsletter-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  padding: 44px 40px;
  border-bottom: 1px solid var(--border-soft);
  background-color: var(--accent-2-soft);
}

.newsletter-title {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
}

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

.newsletter-form {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.newsletter-form input {
  background-color: var(--bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 13px 20px;
  color: var(--text);
  font-size: 0.95rem;
  min-width: 240px;
}

.newsletter-form input:focus {
  outline: none;
  border-color: var(--accent);
}

.footer-main {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.4fr;
  gap: 40px;
  padding: 56px 40px 40px;
  max-width: var(--maxw);
  margin: 0 auto;
}

.footer-about-text {
  color: var(--text-muted);
  margin-top: 16px;
  max-width: 280px;
}

.footer-heading {
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text);
  margin-bottom: 18px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.95rem;
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: var(--accent);
}

.footer-contact li {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.footer-bottom {
  border-top: 1px solid var(--border-soft);
  padding: 22px 40px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  color: var(--text-muted);
  font-size: 0.88rem;
}

.footer-bottom a {
  color: var(--text-muted);
}

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

/* ---------- Scroll reveal ---------- */
.fade-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: none;
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .steps {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .bento-wide {
    grid-column: span 2;
  }

  .metrics {
    grid-template-columns: 1fr;
    gap: 32px;
  }

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

@media (max-width: 820px) {
  section {
    padding: 64px 22px;
  }

  .hero {
    padding: 130px 22px 72px;
  }

  .site-nav {
    padding: 14px 22px;
  }

  .nav-cta {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background-color: var(--bg-elev);
    border-bottom: 1px solid var(--border);
    max-height: 0;
    overflow: hidden;
    margin: 0;
    transition: max-height 0.3s ease;
  }

  .nav-links.open {
    max-height: 360px;
  }

  .nav-links a {
    padding: 16px 24px;
    border-top: 1px solid var(--border-soft);
  }

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

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

  .why-row,
  .why-row-reverse {
    flex-direction: column;
    text-align: center;
  }

  .metrics-row {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .metric {
    border-left: 0;
    border-bottom: 2px solid var(--accent-ink);
    padding-left: 0;
    padding-bottom: 14px;
  }

  .newsletter-band {
    padding: 32px 22px;
  }

  .newsletter-form input {
    min-width: 0;
    flex: 1;
  }

  .footer-main {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 44px 22px 32px;
  }

  .footer-bottom {
    padding: 20px 22px;
    flex-direction: column;
  }
}

@media (max-width: 520px) {
  .steps {
    grid-template-columns: 1fr;
  }

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

  .bento-wide {
    grid-column: span 1;
  }

  .hero-stats {
    grid-template-columns: 1fr;
  }

  .compare-table th,
  .compare-table td {
    padding: 14px 16px;
  }
}