:root {
  --ink: #172026;
  --muted: #5d6b73;
  --line: #dbe5e8;
  --paper: #f7faf9;
  --white: #ffffff;
  --blue: #59189A;
  --blue-dark: #3f0f70;
  --green: #C57CFE;
  --dark: #21102f;
  --radius: 8px;
  --shadow: 0 22px 60px rgba(9, 37, 48, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 76px;
  padding: 0 clamp(18px, 4vw, 56px);
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid rgba(219, 229, 232, 0.9);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: 0;
}

.brand span span {
  color: var(--blue);
}

.brand-mark {
  display: block;
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  overflow: hidden;
  color: transparent;
  background: url("img/lumi-logo.svg") center / contain no-repeat;
  border-radius: 50%;
  font-size: 0;
}


.desktop-nav {
  display: flex;
  gap: 30px;
  color: var(--muted);
  font-weight: 700;
}

.desktop-nav a:hover {
  color: var(--blue-dark);
}

.header-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 22px;
  border-radius: var(--radius);
  font-weight: 800;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.header-cta,
.button.primary {
  color: var(--white);
  background: var(--blue);
  box-shadow: 0 12px 28px rgba(89, 24, 154, 0.25);
}

.button.secondary {
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.6);
}

.header-cta:hover,
.button:hover {
  transform: translateY(-2px);
}

.menu-button {
  display: none;
  width: 44px;
  height: 44px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}

.menu-button span {
  display: block;
  height: 2px;
  margin: 5px 0;
  background: var(--ink);
}

.mobile-nav {
  position: fixed;
  inset: 76px 0 auto 0;
  z-index: 40;
  display: none;
  padding: 18px;
  background: var(--white);
  border-bottom: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.mobile-nav.is-open {
  display: grid;
  gap: 14px;
}

.mobile-nav a {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-weight: 800;
}

.hero {
  position: relative;
  min-height: calc(100vh - 76px);
  display: grid;
  align-items: center;
  padding: 86px clamp(18px, 5vw, 72px);
  overflow: hidden;
  color: var(--white);
  background: var(--dark);
}

.hero-media {
  position: absolute;
  inset: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.38;
  filter: saturate(0.9);
}

.hero::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(90deg, rgba(33, 16, 47, 0.96) 0%, rgba(33, 16, 47, 0.76) 48%, rgba(33, 16, 47, 0.34) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(720px, 100%);
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 700px;
  margin-bottom: 22px;
  font-size: clamp(2.9rem, 8vw, 6.3rem);
  line-height: 0.94;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(2rem, 4vw, 3.6rem);
  line-height: 1.05;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 12px;
  font-size: 1.2rem;
  line-height: 1.2;
}

.hero-content p:not(.eyebrow) {
  max-width: 640px;
  color: rgba(255, 255, 255, 0.86);
  font-size: clamp(1.05rem, 2vw, 1.28rem);
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.hero-panel {
  position: absolute;
  right: clamp(18px, 5vw, 72px);
  bottom: 34px;
  z-index: 1;
  width: min(360px, calc(100% - 36px));
  padding: 22px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.94);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero-panel strong,
.hero-panel span {
  display: block;
}

.hero-panel span {
  margin-top: 8px;
  color: var(--muted);
  line-height: 1.5;
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-bottom: 1px solid var(--line);
  background: var(--white);
}

.trust-strip div {
  padding: 28px clamp(18px, 4vw, 48px);
  border-right: 1px solid var(--line);
}

.trust-strip div:last-child {
  border-right: 0;
}

.trust-strip strong,
.trust-strip span {
  display: block;
}

.trust-strip span {
  margin-top: 8px;
  color: var(--muted);
  line-height: 1.5;
}

.section {
  padding: 92px clamp(18px, 5vw, 72px);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(34px, 7vw, 86px);
  background: var(--paper);
}

.copy {
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.8;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 42px;
}

.services {
  background: var(--white);
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.service-card {
  min-height: 286px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.service-card:hover {
  transform: translateY(-5px);
  border-color: rgba(197, 124, 254, 0.55);
  box-shadow: var(--shadow);
}

.icon {
  display: inline-grid;
  width: 46px;
  height: 46px;
  margin-bottom: 28px;
  place-items: center;
  color: var(--blue-dark);
  background: #f2e4ff;
  border-radius: 50%;
  font-weight: 900;
}

.service-card p,
.timeline p {
  color: var(--muted);
  line-height: 1.65;
}

.impact {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 560px;
  background: var(--dark);
  color: var(--white);
}

.impact img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.impact div {
  display: grid;
  align-content: center;
  padding: clamp(36px, 6vw, 78px);
}

.impact p:not(.eyebrow) {
  color: rgba(255, 255, 255, 0.78);
  font-size: 1.08rem;
  line-height: 1.75;
}

.process {
  background: var(--paper);
}

.timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.timeline div {
  padding: 26px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.timeline span {
  display: inline-grid;
  width: 38px;
  height: 38px;
  margin-bottom: 22px;
  place-items: center;
  color: var(--white);
  background: var(--dark);
  border-radius: 50%;
  font-weight: 900;
}

.cta-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  padding: 64px clamp(18px, 5vw, 72px);
  color: var(--white);
  background: linear-gradient(135deg, var(--blue-dark), var(--green));
}

.cta-band div {
  max-width: 760px;
}

.cta-band .eyebrow {
  color: rgba(255, 255, 255, 0.82);
}

.cta-band p:not(.eyebrow) {
  color: rgba(255, 255, 255, 0.86);
  font-size: 1.08rem;
  line-height: 1.65;
}

.cta-band .button.primary {
  flex: 0 0 auto;
  color: var(--blue-dark);
  background: var(--white);
  box-shadow: none;
}

.site-footer {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 30px;
  padding: 42px clamp(18px, 5vw, 72px);
  color: var(--white);
  background: #0c1f27;
}

.site-footer p {
  max-width: 360px;
  margin: 16px 0 0;
  color: rgba(255, 255, 255, 0.64);
  line-height: 1.6;
}

.site-footer strong,
.site-footer a {
  display: block;
}

.site-footer strong {
  margin-bottom: 14px;
}

.site-footer a {
  margin-top: 10px;
  color: rgba(255, 255, 255, 0.72);
}

.floating-whatsapp {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 55;
  display: grid;
  width: 58px;
  height: 58px;
  place-items: center;
  color: var(--white);
  background: #C57CFE;
  border-radius: 50%;
  box-shadow: 0 16px 34px rgba(89, 24, 154, 0.25);
  transition: transform 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.floating-whatsapp:hover {
  background: #C57CFE;
  transform: translateY(-2px);
  box-shadow: 0 18px 38px rgba(89, 24, 154, 0.25);
}

.floating-whatsapp svg {
  width: 28px;
  height: 28px;
  fill: var(--white);
}

@media (max-width: 980px) {
  .desktop-nav,
  .header-cta {
    display: none;
  }

  .menu-button {
    display: block;
  }

  .hero {
    min-height: 760px;
    align-items: start;
    padding-top: 74px;
  }

  .hero::after {
    background: rgba(33, 16, 47, 0.78);
  }

  .hero-panel {
    left: 18px;
    right: auto;
  }

  .trust-strip,
  .split,
  .impact,
  .site-footer {
    grid-template-columns: 1fr;
  }

  .trust-strip div {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

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

  .impact img {
    height: 340px;
  }

  .cta-band {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 620px) {
  .site-header {
    min-height: 68px;
  }

  .mobile-nav {
    inset: 68px 0 auto 0;
  }

  .brand {
    font-size: 1.12rem;
  }

  .brand-mark {
    width: 38px;
    height: 38px;
  }

  .hero {
    min-height: 720px;
    padding: 54px 18px 190px;
  }

  .hero-actions,
  .button {
    width: 100%;
  }

  .hero-panel {
    bottom: 22px;
  }

  .section {
    padding: 68px 18px;
  }

  .service-grid,
  .timeline {
    grid-template-columns: 1fr;
  }

  .service-card {
    min-height: auto;
  }

  .cta-band {
    padding: 54px 18px;
  }

  .floating-whatsapp {
    right: 16px;
    bottom: 16px;
  }
}