/* -------------------------------------------------
   ROOT VARIABLES (LIGHT MODE ONLY)
------------------------------------------------- */
:root {
  --aqua: #2BD4C3;
  --black: #000;
  --white: #fff;
  --offwhite: #F7F9FA;

  --text: #0C0F14;
  --muted: rgba(12, 15, 20, 0.72);

  --radius: 16px;

  --shadow-soft: 0 8px 20px rgba(0,0,0,0.10);
  --shadow: 0 12px 32px rgba(0,0,0,0.18);

  --max-width: 1180px;
  --transition: 0.25s ease;
}


/* -------------------------------------------------
   GLOBAL
------------------------------------------------- */
* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Helvetica, Arial, sans-serif;
  line-height: 1.55;
  background: var(--white);
  color: var(--text);
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

section { padding: 72px 0; }


/* -------------------------------------------------
   BUTTONS
------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  padding: 12px 20px;
  border-radius: 10px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.btn-primary {
  background: var(--aqua);
  color: #000;
}
.btn-primary:hover { transform: translateY(-2px); }

.btn-secondary {
  border: 1px solid rgba(255,255,255,0.45);
  color: #fff;
}
.btn-secondary:hover { border-color: var(--aqua); }

.btn-outline {
  border: 1px solid rgba(12,15,20,0.2);
  padding: 10px 16px;
}


/* -------------------------------------------------
   NAVIGATION
------------------------------------------------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(10px);
  background: rgba(0,0,0,0.65);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  padding: 12px 0;
}

.nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-full { height: 34px; }
.logo-icon { height: 32px; }

/* Hidden by default */
.mobile-logo { display: none; }

.nav-links {
  display: flex;
  gap: 20px;
}

.nav-links a {
  color: rgba(255,255,255,0.80);
  font-weight: 600;
}

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

.nav-right {
  display: flex;
  align-items: center;
  gap: 14px;
}


/* -------------------------------------------------
   HERO
------------------------------------------------- */
.hero {
  background:
    radial-gradient(900px 500px at 15% 20%, rgba(43,212,195,0.18), transparent 55%),
    radial-gradient(700px 420px at 85% 30%, rgba(43,212,195,0.12), transparent 60%),
    linear-gradient(180deg, #000 0%, #070A0F 100%);
  color: #fff;
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

.mesh {
  position: absolute;
  inset: -40px;
  opacity: 0.22;
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: center;
}

.kicker {
  color: var(--aqua);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero p { color: rgba(255,255,255,0.78); }

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


/* -------------------------------------------------
   CARDS
------------------------------------------------- */
.card {
  background: var(--white);
  color: var(--text);
  border-radius: var(--radius);
  padding: 20px;
  border: 1px solid rgba(12,15,20,0.08);
  box-shadow: var(--shadow-soft);
  transition: var(--transition);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

/* Icon placeholder */
.icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(43,212,195,0.15);
  border: 1px solid rgba(43,212,195,0.35);
  margin-bottom: 14px;
}


/* -------------------------------------------------
   STACK
------------------------------------------------- */
.stack {
  background:
    radial-gradient(900px 450px at 70% 20%, rgba(43,212,195,0.18), transparent 60%),
    linear-gradient(180deg, #000 0%, #0B0E12 100%);
  color: #fff;
}

.stack-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.stack-graphic {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius);
  padding: 18px;
}

.layer {
  display: flex;
  justify-content: space-between;
  padding: 12px;
  background: rgba(0,0,0,0.25);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 12px;
  margin-bottom: 10px;
}

.layer strong { color: var(--aqua); }


/* -------------------------------------------------
   CASE STUDIES
------------------------------------------------- */
.case .thumb {
  height: 140px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(43,212,195,0.35), rgba(255,255,255,0.08));
  border: 1px solid rgba(12,15,20,0.1);
}

.case .meta {
  font-size: 12px;
  letter-spacing: 0.1em;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
}


/* -------------------------------------------------
   CTA
------------------------------------------------- */
.cta {
  background:
    radial-gradient(650px 260px at 50% 0%, rgba(43,212,195,0.22), transparent 60%),
    linear-gradient(180deg, #000, #070A0F);
  text-align: center;
  color: #fff;
}

.cta-phone {
  color: rgba(255,255,255,0.65);
  font-size: 14px;
}


/* -------------------------------------------------
   FOOTER
------------------------------------------------- */
.footer {
  background: #000;
  color: rgba(255,255,255,0.75);
  padding: 40px 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 24px;
}

.footer-logo {
  height: 38px;
  margin-bottom: 12px;
}

.footer-bottom {
  margin-top: 20px;
  font-size: 13px;
  color: rgba(255,255,255,0.55);
}


/* -------------------------------------------------
   GRID SYSTEM
------------------------------------------------- */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}


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

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

  .stack-wrap {
    grid-template-columns: 1fr;
  }

  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }

  /* If you removed the hamburger menu — make nav links ALWAYS visible */
  .nav-links {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
  }
}

@media (max-width: 720px) {
  .desktop-logo { display: none; }
  .mobile-logo { display: flex; }
}


/* -------------------------------------------------
   HERO BUTTON LIGHT STYLE FIX
------------------------------------------------- */
.hero .btn-secondary {
  border: 1px solid rgba(255, 255, 255, 0.55) !important;
  color: #fff !important;
  background: rgba(255, 255, 255, 0.06) !important;
}

.hero .btn-secondary:hover {
  border-color: var(--aqua) !important;
  box-shadow: 0 0 18px rgba(43,212,195,0.35) !important;
  transform: translateY(-2px);
}

/* Larger hero text on desktop only */
@media (min-width: 1020px) {
  .hero h1 {
    font-size: 70px;
    line-height: 1.05;
  }

  .hero p {
    font-size: 20px;
  }
}

/* -------------------------------------------------
   MOBILE HAMBURGER MENU
------------------------------------------------- */

.hamburger {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.hamburger span {
  width: 22px;
  height: 3px;
  background: #fff;
  border-radius: 3px;
  transition: 0.3s ease;
}

/* Mobile dropdown menu */
.mobile-menu {
  display: none;
  position: absolute;
  top: 66px;
  right: 20px;
  background: rgba(0,0,0,0.92);
  padding: 18px;
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(0,0,0,0.35);
  flex-direction: column;
  gap: 14px;
  z-index: 999;
}

.mobile-menu a {
  color: #fff;
  font-weight: 600;
  font-size: 16px;
}

/* Show only on mobile */
@media (max-width: 720px) {

  /* Show hamburger button */
  .hamburger {
    display: flex;
  }

  /* Hide desktop/tablet nav links */
  .nav-links {
    display: none !important;
  }

  /* When menu becomes active */
  .mobile-menu.open {
    display: flex;
  }

  /* Adjust right section spacing */
  .nav-right {
    display: flex;
    align-items: center;
    gap: 10px;
  }
}