/* =========================
   style-base.css
   Variables, Reset, Typography, Background, Links, Accessibility, Top Nav
========================= */

/* =========================
   1) VARIABLES + RESET
========================= */
:root{
  --primary-color: #9DC8B0;
  --text-color: #4A4A4A;

  --bg-overlay-strong: rgba(0, 0, 0, 0.45);
  --bg-overlay-mobile: rgba(0, 0, 0, 0.35);

  --glass-border: rgba(255, 255, 255, 0.28);
  --glass-border-soft: rgba(255, 255, 255, 0.22);

  --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  --shadow-strong: 0 18px 50px rgba(0, 0, 0, 0.10);

  --wa-green: #25D366;
  --wa-green-dark: #1ebe5d;

  --waze-blue: #2D9CDB;
  --waze-blue-dark: #1B79B5;
}

*{ box-sizing: border-box; margin: 0; padding: 0; }
html{ scroll-behavior: smooth; }

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

/* =========================
   2) TYPOGRAPHY
========================= */
body{
  font-family: 'Rubik', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 18px;
  line-height: 1.85;
  color: var(--text-color);
  font-weight: 400;
  padding-top: 74px; /* space for sticky nav */
}

p, li, a, button, input, textarea, label, span{
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  font-weight: 400;
}

h1{ font-size: 2.6rem; line-height: 1.2; font-weight: 800; }
h2{ font-size: 2.0rem; line-height: 1.25; font-weight: 800; }
h3{ font-size: 1.25rem; line-height: 1.35; font-weight: 800; }

/* =========================
   3) BACKGROUND + LINKS + ACCESSIBILITY
========================= */
body::before{
  content:"";
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(var(--bg-overlay-strong), var(--bg-overlay-strong)),
    url("../bg-desktop-1600w.webp")
      center / cover no-repeat;
  transform: translateZ(0);
}

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

:focus-visible{
  outline: 3px solid rgba(157, 200, 176, 0.95);
  outline-offset: 3px;
  border-radius: 10px;
}

.skip-link{
  position:absolute;
  top:10px;
  right:-999px;
  background:#fff;
  color:#000;
  padding:10px 14px;
  border-radius:10px;
  z-index:99999;
  box-shadow:0 10px 24px rgba(0,0,0,.15);
}
.skip-link:focus{ right:10px; }

/* =========================
   4) TOP NAV (Sticky)
========================= */
.top-nav{
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 10000;

  height: 74px;
  background: rgba(255,255,255,0.55);
  border-bottom: 1px solid rgba(255,255,255,0.28);

  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.top-nav-inner{
  max-width: 1100px;
  margin: 0 auto;
  padding: 12px 18px;

  height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;

  overflow: visible;
}

/* Brand */
.brand{
  display: inline-flex;
  align-items: center;
  gap: 12px;
  white-space: nowrap;
  font-weight: 900;
  line-height: 1;

  background: transparent;
  border: 0;
  padding: 0;
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.brand-logo{
  height: 60px;
  width: auto;
  max-height: 60px;
  max-width: 190px;
  object-fit: contain;
  flex: 0 0 auto;

  background: transparent;
  border: 0;
  padding: 0;
  border-radius: 0;

  filter: drop-shadow(0 6px 14px rgba(0,0,0,0.22)) contrast(1.1) saturate(1.05);
}

.brand-logo:hover{
  transform: translateY(-1px);
}

.brand-text{
  font-weight: 900;
  font-size: 16px;
  opacity: 0.95;
  line-height: 1.1;
  max-width: 240px;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Desktop nav links */
.nav-links{
  display: flex;
  align-items: center;
  gap: 18px;
}

.nav-links a{
  background: transparent;
  border: 0;
  box-shadow: none;
  padding: 0;

  transition: opacity .15s ease, transform .15s ease;
  flex: 0 0 auto;
  white-space: nowrap;
  font-size: 16px;
  font-weight: 700;
}
.nav-links a:hover{
  transform: translateY(-1px);
  opacity: 0.85;
}

/* Desktop overflow scroll */
@media (min-width: 769px){
  .nav-links{
    min-width: 0;
    flex: 1 1 auto;
    flex-wrap: nowrap;
    white-space: nowrap;

    overflow-x: auto;
    overflow-y: hidden;

    justify-content: flex-start;
    width: 100%;
    max-width: 100%;

    padding-inline: 10px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .nav-links::-webkit-scrollbar{ display: none; }
}

/* Burger */
.nav-toggle{
  display: none;
  border: 0;
  background: rgba(255,255,255,0.45);
  border: 1px solid rgba(255,255,255,0.22);
  border-radius: 12px;
  padding: 8px 12px;
  font-size: 18px;
  cursor: pointer;
}