/* ==========================
   ROOT VARIABLES
========================== */
:root {
  --bg-dark: #050608;
  --silver: #cfcfcf;
  --silver-soft: #9a9a9a;
  --orange: #ff8c00;
  --text-main: #f5f5f5;
  --text-muted: #b4b7c1;
  --max-width: 1100px;
}

/* ==========================
   BASE STYLES
========================== */
body {
  margin: 0;
  font-family: Montserrat, sans-serif;
  background: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.6;
}

.container {
  max-width: var(--max-width);
  margin: auto;
  padding: 0 16px;
}

/* ==========================
   HEADER
========================== */
header {
  position: sticky;
  top: 0;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,0.1);
  z-index: 20;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 0;
}

.logo-img {
  height: 50px;
  border-radius: 8px;
}

.logo-text {
  display: flex;
  flex-direction: column;
  margin-left: 10px;
}

.logo-text span:first-child {
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.logo-text span:last-child {
  font-size: 0.7rem;
  color: var(--text-muted);
}

/* ==========================
   NAVIGATION
========================== */
.main-nav ul {
  list-style: none;
  display: flex;
  gap: 22px;
}

.main-nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  letter-spacing: 0.03em;
}

.main-nav a:hover {
  color: #fff;
}

/* ==========================
   HERO SECTION
========================== */
.hero {
  padding: 80px 0;
  background: linear-gradient(145deg, #e0e0e0, #8a8a8a, #1a1a1a);
  color: black;
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  margin-bottom: 1rem;
  line-height: 1.1;
}

.accent {
  background: linear-gradient(120deg, var(--orange), #000);
  -webkit-background-clip: text;
  color: transparent;
}

.hero-subtitle {
  color: #222;
  font-size: 1rem;
  max-width: 600px;
}

/* ==========================
   SECTIONS
========================== */
.section-heading {
  margin: 40px 0 20px;
}

.section-kicker {
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--silver-soft);
}

.section-title {
  font-size: 1.8rem;
  margin-top: 6px;
}

.section-subtitle {
  font-size: 0.95rem;
  color: var(--text-muted);
  max-width: 500px;
}

/* ==========================
   ABOUT SECTION
========================== */
.about-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 2rem;
}

.pill {
  padding: 6px 14px;
  border-radius: 20px;
  border: 1px solid rgba(255,255,255,0.2);
  font-size: 0.75rem;
}

.pill-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.about-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 18px;
  padding: 20px;
}

/* ==========================
   WHY LUMERA
========================== */
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.2rem;
}

.why-card {
  background: rgba(255,255,255,0.05);
  padding: 20px;
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,0.12);
}

/* ==========================
   SERVICES
========================== */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
}

.card {
  background: rgba(255,255,255,0.05);
  border-radius: 18px;
  padding: 20px;
  border: 1px solid rgba(255,255,255,0.12);
}

.card-icon {
  font-size: 1.4rem;
  margin-bottom: 10px;
}

.card-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.card-list li {
  color: var(--text-muted);
  margin-bottom: 8px;
}

/* ==========================
   INDUSTRIES
========================== */
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip {
  padding: 6px 12px;
  border-radius: 20px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  font-size: 0.8rem;
}

/* ==========================
   CLIENTS + PROJECTS
========================== */
.clients-grid {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 1.2rem;
}

.client-card {
  background: rgba(255,255,255,0.05);
  border-radius: 16px;
  padding: 18px;
  border: 1px solid rgba(255,255,255,0.12);
}

.projects-box {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.15);
  padding: 20px;
  border-radius: 16px;
  margin-top: 20px;
}

/* ==========================
   CONTACT
========================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 2rem;
}

.contact-card {
  background: rgba(255,255,255,0.06);
  border-radius: 16px;
  padding: 18px;
  border: 1px solid rgba(255,255,255,0.15);
}

.contact-label {
  font-size: 0.75rem;
  color: var(--silver-soft);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.contact-value {
  font-size: 1rem;
  margin-bottom: 10px;
}

/* ==========================
   FOOTER
========================== */
footer {
  text-align: center;
  padding: 22px 0;
  color: var(--text-muted);
  border-top: 1px solid rgba(255,255,255,0.1);
}

/* ==========================
   RESPONSIVE BREAKPOINTS
========================== */
@media(max-width: 920px) {

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

  .why-grid,
  .cards-grid,
  .clients-grid {
    grid-template-columns: 1fr 1fr;
  }

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

  .main-nav ul {
    flex-direction: column;
    width: 100%;
    gap: 12px;
    margin-top: 16px;
  }

  .main-nav a {
    font-size: 1rem;
    padding: 6px 0;
  }
}

@media(max-width: 600px) {
  .why-grid,
  .cards-grid,
  .clients-grid {
    grid-template-columns: 1fr;
  }
}