/* ===== Lillian Elek — Responsive CSS ===== */

/* Palette */
:root{
  --bg:#132139;      /* page background */
  --card:#182847;    /* cards/blocks */
  --line:#23365a;    /* borders/dividers */
  --muted:#a9b3c6;
  --text:#eef2ff;
  --accent:#7aa2ff;
  --accent2:#6ee7b7;
}

/* Base */
*{ box-sizing:border-box }
html,body{
  margin:0; padding:0;
  font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  background:var(--bg); color:var(--text);
}
.container{ max-width:1240px; margin:0 auto; padding:0 20px }
a{ color:var(--accent); text-decoration:none }
a:hover{ text-decoration:underline }
.btn{
  display:inline-block; padding:10px 14px; border-radius:10px;
  border:1px solid #2a3147; transition:transform .08s ease
}
.btn:hover{ transform:translateY(-1px); text-decoration:none }
.btn.primary{ background:linear-gradient(135deg,var(--accent),var(--accent2)); color:#0b0d12; border:0; font-weight:600 }
.btn.small{ padding:8px 12px; border-radius:8px; font-size:14px }

/* Header + Nav */
.site-header{
  position:sticky; top:0;
  background:rgba(11,13,18,.7); backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line); z-index:9
}
.nav{ display:flex; align-items:center; justify-content:space-between; height:64px; position:relative }
.brand{ font-weight:700; letter-spacing:.4px }

/* desktop nav */
.nav-menu{ display:flex; align-items:center; gap:16px }
.nav a{ margin-left:0 } /* gap handles spacing */
.nav a.active{ color:var(--accent2); font-weight:600 }

/* hamburger (hidden on desktop) */
.nav-toggle{
  display:none; align-items:center; justify-content:center;
  width:42px; height:42px; border:1px solid #2a3147; border-radius:10px;
  background:#12192b; cursor:pointer;
}
.nav-toggle .bar{
  display:block; width:20px; height:2px; background:#e6e9ef; margin:3px 0; border-radius:1px;
}

/* Hero */
.hero{ padding:72px 0 42px; border-bottom:1px solid var(--line) }
.hero-inner{ display:grid; grid-template-columns:1.15fr .85fr; gap:28px; align-items:center }
.hero h1{ margin:0 0 12px; font-size:42px; line-height:1.1 }
.hero p{ color:var(--muted); margin:0 0 16px }
.hero-img{ width:100%; border-radius:16px; box-shadow:0 10px 40px rgba(0,0,0,.4); border:1px solid #1f2435 }

/* Sections */
.section{ padding:40px 0 }
.section h2{ margin:0 0 14px }
.section p.lead{ color:var(--muted) }

/* Grid + Cards */
.grid{ display:grid; gap:24px }
.grid.cards-3{ grid-template-columns:repeat(3,1fr) }
.grid.cards-2{ grid-template-columns:repeat(2,1fr) }

.card{
  background:var(--card); border:1px solid #1f2435; border-radius:16px;
  overflow:hidden; display:flex; flex-direction:column
}
.card img{ width:100%; height: 280px; object-fit:cover }
.card-body{ padding:18px }
.card-body h3{ margin:0 0 6px; font-size:20px }
.card-body p{ color:var(--muted); margin:0 0 10px }
.tags{ display:flex; flex-wrap:wrap; gap:8px; margin-bottom:12px }
.tags span{ font-size:12px; padding:6px 8px; background:#171b28; border:1px solid #27304a; border-radius:999px; color:#c1c8d7 }
.links{ display:flex; gap:8px; flex-wrap:wrap }

/* Ensure hidden cards vanish in all layouts */
.card[hidden] { display: none !important; }

/* Lists / Split */
.pill-list{ display:grid; grid-template-columns:repeat(2,1fr); gap:10px; padding:0; list-style:none }
.pill-list li{ background:#121623; border:1px solid #1f2435; padding:12px 14px; border-radius:12px; color:#d7dcef }
.split{ display:grid; grid-template-columns:1.2fr .8fr; gap:24px; align-items:center }
.split img{ width:100%; border-radius:14px; border:1px solid #1f2435 }

/* Projects toolbar */
.toolbar{ display:flex; gap:10px; flex-wrap:wrap; margin:8px 0 16px }
.filter{ padding:8px 12px; border-radius:999px; border:1px solid #27304a; background:#171b28; color:#c1c8d7; cursor:pointer }
.filter.active{ outline:2px solid var(--accent) }
.hidden{ display:none !important }

/* Contact (simple card block, no form) */
.contact.section{ padding:40px 0 64px; border-top:1px solid var(--line) }
.contact-card.simple{
  background:var(--card); border:1px solid #1f2435; border-radius:16px;
  padding:20px; box-shadow:0 10px 30px rgba(0,0,0,.15);
  max-width:760px; margin:0 auto
}
.muted{ color:var(--muted) }
.contact-list.icons{
  list-style:none; padding:0; margin:16px 0 0;
  display:grid; gap:12px
}
.contact-list.icons li{
  display:flex; align-items:center; gap:10px;
  background:#121623; border:1px solid #1f2435;
  padding:12px 14px; border-radius:12px
}
.contact-list.icons i{ color:var(--accent2); width:18px; flex:0 0 18px; text-align:center }

/* Footer — centered card grid you liked */
.site-footer { border-top: 1px solid var(--line); padding: 28px 0 16px; }
.footer-contacts {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 16px; align-items: start; margin-bottom: 12px;
}
.footer-contacts .contact-method{
  display:flex; flex-direction:column; align-items:center; text-align:center;
  background: var(--card);
  border: 1px solid #1f2435; border-radius: 14px; padding: 16px;
  box-shadow: 0 10px 24px rgba(0,0,0,.12);
}
.footer-contacts .contact-method i{ font-size:22px; color:var(--accent2); margin:0 0 8px; display:block }
.footer-contacts .contact-method h3{ margin:6px 0 6px; font-size:14px; color:#cfd5e6 }
.footer-contacts .contact-method a{ color:var(--text) }
.legal{ text-align:center; color:#9aa3b8 }

/* ---------- Responsive ---------- */

/* Tablet / small laptop */
@media (max-width: 960px){
  .container{ max-width: 860px }
  .hero-inner, .split{ grid-template-columns:1fr }
  .grid.cards-3{ grid-template-columns:1fr 1fr }
  .card img{ height:190px }
  /* mobile menu appears */
  .nav-toggle{ display:inline-flex }
  .nav-menu{
    position:absolute; right:20px; top:64px;
    display:none; flex-direction:column; gap:6px;
    background:var(--card); border:1px solid #1f2435; border-radius:12px;
    padding:12px; min-width: 200px;
    box-shadow:0 16px 40px rgba(0,0,0,.35);
  }
  .nav-menu.open{ display:flex }
  .nav-menu a{ padding:10px; border-radius:8px }
  .nav-menu .btn{ margin-top:4px }
  .footer-contacts{ grid-template-columns:1fr 1fr }
}

/* Phones */
@media (max-width: 520px){
  .container{ padding: 0 16px }
  .hero h1{ font-size:30px }
  .card img{ height:170px }
  .grid.cards-3, .grid.cards-2{ grid-template-columns:1fr }
  .pill-list{ grid-template-columns:1fr }
  .footer-contacts{ grid-template-columns:1fr }
  .contact-card.simple{ padding:16px }
}