:root{
  --gold: linear-gradient(135deg,#fff4d6,#ffd36a,#c89b3c,#fff1c1);

  /* Desktop (premium dark) */
  --bg0: #07070a;
  --bg1: #0c0c10;

  --card: rgba(255,215,120,.085);
  --cardBorder: rgba(255,215,120,.28);

  --text: rgba(255,255,255,.92);
  --muted: rgba(255,255,255,.78);

  --shadow: 0 18px 60px rgba(0,0,0,.55);
  --radius: 22px;
}

*{ box-sizing:border-box; }
html,body{ height:100%; }

body{
  margin:0;
  font-family: "Manrope", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);
  overflow-x:hidden;

  /* premium dark background desktop */
  background:
    radial-gradient(circle at 20% 0%, rgba(255,215,120,.12), transparent 55%),
    radial-gradient(circle at 80% 15%, rgba(220,220,255,.08), transparent 55%),
    radial-gradient(circle at top, #1a1408, var(--bg1));
}

/* ============ TOP NAV ============ */
.topbar{
  position: sticky;
  top:0;
  z-index: 9999;
  padding: 18px 60px;
  background: rgba(10,10,12,.62);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,215,120,.16);
}

.nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 12px;
}

.nav__brand{
  font-size: 20px;
  font-weight: 900;
  letter-spacing: .03em;
  background: var(--gold);
  -webkit-background-clip:text;
  color: transparent;
}

.nav__toggle{
  display:none;
  width: 46px;
  height: 46px;
  border-radius: 16px;
  border: 1px solid rgba(255,215,120,.28);
  background: rgba(255,215,120,.06);
  box-shadow: 0 0 26px rgba(255,215,120,.14);
  cursor:pointer;
  align-items:center;
  justify-content:center;
  gap: 6px;
}
.nav__toggle span{
  display:block;
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: rgba(255,215,120,.95);
  box-shadow: 0 0 12px rgba(255,215,120,.24);
}

.nav__menu{
  display:flex;
  align-items:center;
}

.nav__menu a{
  margin-left: 26px;
  text-decoration:none;
  font-weight: 600;
  background: var(--gold);
  -webkit-background-clip:text;
  color: transparent;
}

.langWrap{
  margin-left: 18px;
  display:inline-flex;
  gap: 10px;
  align-items:center;
}

.langBtn{
  background: transparent;
  border: 1px solid rgba(255,215,120,.28);
  color: rgba(255,255,255,.9);
  padding: 7px 11px;
  border-radius: 14px;
  cursor:pointer;
}

/* overlay for mobile menu */
.nav__overlay{
  display:none;
  position: fixed;
  inset: 0;
  z-index: 9998;
  background: rgba(0,0,0,.55);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
}
.nav__overlay.is-open{ display:block; }

/* ============ BACKGROUND ARCS ============ */
.arches{
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events:none;
  opacity: .78;
}
.arch{
  position:absolute;
  width: 520px;
  height: 680px;
  border-radius: 50% 50% 0 0;
  border: 2px solid rgba(255,215,120,.42);
  box-shadow:
    0 0 34px rgba(255,215,120,.26),
    0 0 120px rgba(255,200,80,.18);
}
.a1{ left:-160px; top:140px; }
.a2{ right:-140px; top:200px; }
.a3{ left:50%; top:440px; transform:translateX(-50%); }

/* ============ LAYOUT ============ */
.container{
  position: relative;
  z-index: 1;
}

.hero{
  padding: 120px 60px 70px;
  max-width: 980px;
}

h1{
  margin:0;
  font-size: 56px;
  line-height: 1.08;
  background: var(--gold);
  -webkit-background-clip:text;
  color: transparent;
}

.hero__text{
  margin-top: 18px;
  max-width: 620px;
  font-size: 18px;
  line-height: 1.7;
  color: var(--muted);
}

.section{
  padding: 60px 60px 0;
}

h2{
  margin:0;
  font-size: 40px;
  background: var(--gold);
  -webkit-background-clip:text;
  color: transparent;
}

.cards{
  margin-top: 26px;
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 22px;
}

.card{
  background: var(--card);
  border: 1px solid var(--cardBorder);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow:
    0 0 28px rgba(255,215,120,.14),
    inset 0 0 36px rgba(255,215,120,.08);
}

.card p{ margin:0; color: var(--muted); line-height: 1.7; }

.gold-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  text-decoration:none;

  margin-top: 26px;
  padding: 14px 34px;
  border-radius: 30px;
  background: var(--gold);
  color: #1a1206;
  font-weight: 800;
  letter-spacing:.02em;
  box-shadow: 0 0 30px rgba(255,200,80,.45);
  border: none;
  cursor:pointer;
}

/* forms */
input, select, textarea{
  width:100%;
  font: inherit;
  padding: 14px;
  border-radius: 16px;
  border: 1px solid rgba(240,240,255,.20);
  background: rgba(12,12,15,.55);
  color: rgba(255,255,255,.92);
  outline:none;
}
textarea{ resize: vertical; }
input::placeholder, textarea::placeholder{ color: rgba(255,255,255,.58); }

/* footer */
.footer{
  padding: 70px 60px 80px;
  text-align:center;
  color: var(--muted);
}
.footer__logo img{
  width: 84px;
  height: auto;
  display:block;
  margin: 18px auto 10px;
}

/* ======= RESPONSIVE ======= */
@media (max-width: 980px){
  .topbar{ padding: 14px 18px; }
  .hero{ padding: 90px 18px 55px; }
  .section{ padding: 45px 18px 0; }
  .footer{ padding: 60px 18px 70px; }
  h1{ font-size: 42px; }
  h2{ font-size: 30px; }
}

/* ✅ PHONE: BRIGHTER + WCAG readable + real mobile menu */
@media (max-width: 820px){

  /* make phone background lighter */
  body{
    background:
      radial-gradient(circle at 18% 0%, rgba(255,215,120,.22), transparent 58%),
      radial-gradient(circle at 88% 16%, rgba(220,220,255,.16), transparent 58%),
      radial-gradient(circle at top, #2d2416, #0b0b10 72%);
  }

  .nav__toggle{ display:flex; }

  /* mobile menu as dropdown panel */
  .nav__menu{
    position: fixed;
    left: 14px;
    right: 14px;
    top: 70px;
    z-index: 10000;

    display:none;
    flex-direction: column;
    gap: 10px;

    padding: 14px;
    border-radius: 18px;
    background: rgba(16,16,20,.96);
    border: 1px solid rgba(255,215,120,.22);
    box-shadow: 0 20px 70px rgba(0,0,0,.7);
  }
  .nav__menu.is-open{ display:flex; }

  /* ✅ IMPORTANT: on phone links MUST be visible (not transparent!) */
  .nav__menu a{
    margin-left: 0;
    color: rgba(255,255,255,.94) !important;
    background: none !important;
    -webkit-background-clip: initial !important;

    padding: 12px 14px;
    border-radius: 14px;
    border: 1px solid rgba(255,215,120,.18);
    background-color: rgba(255,215,120,.09) !important;
  }

  .langWrap{
    margin-left: 0;
    justify-content: flex-end;
    padding-top: 6px;
  }
  .langBtn{
    background: rgba(255,215,120,.10);
  }

  .arches{ opacity: .65; }
  .arch{
    width: 360px;
    height: 460px;
  }

  h1{ font-size: 32px; line-height: 1.12; }
  .hero__text{ font-size: 16px; }
  .gold-btn{ width: 100%; max-width: 340px; }

  .card{ padding: 22px; }
  .cards{ gap: 14px; }
}

@media (max-width: 420px){
  .hero{ padding-top: 80px; }
  h1{ font-size: 30px; }
}