/* ==========================
   Evolve Echo v2 — Premium Minimal
   ========================== */

:root{
  --bg: #f6f7fb;
  --surface: rgba(255,255,255,0.78);
  --surface2: rgba(255,255,255,0.62);
  --text: #0b1220;
  --muted: rgba(11,18,32,0.62);
  --border: rgba(11,18,32,0.12);

  --brand: #4f46e5;   /* indigo */
  --brand2:#06b6d4;   /* cyan */
  --accent:#22c55e;   /* green */

  --shadow: 0 18px 60px rgba(15, 23, 42, 0.10);
  --shadow2: 0 10px 30px rgba(15, 23, 42, 0.08);

  --r: 18px;
  --r2: 28px;
  --max: 1160px;
  --pad: 22px;

  --font: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Inter, Arial, "Apple Color Emoji","Segoe UI Emoji";
}

*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(800px 600px at 15% 10%, rgba(79,70,229,0.18), transparent 60%),
    radial-gradient(900px 650px at 85% 20%, rgba(6,182,212,0.16), transparent 55%),
    radial-gradient(900px 700px at 60% 110%, rgba(34,197,94,0.10), transparent 55%),
    linear-gradient(180deg, #f7f8fe, #f6f7fb);
  overflow-x:hidden;
}

a{ color:inherit; text-decoration:none; }
img{ max-width:100%; display:block; }
button,input,textarea{ font:inherit; }

.container{
  width:min(var(--max), calc(100% - (var(--pad) * 2)));
  margin:0 auto;
}

.skip-link{
  position:absolute; left:-999px; top:auto; width:1px; height:1px; overflow:hidden;
}
.skip-link:focus{
  left: 16px; top: 16px; width:auto; height:auto; padding:10px 12px;
  background:#0b1220; color:#fff; border-radius:12px; z-index:9999;
}

/* Topbar */
.topbar{
  position:sticky;
  top:0; z-index:50;
  backdrop-filter: blur(14px);
  background: rgba(246,247,251,0.78);
  border-bottom: 1px solid var(--border);
}
.nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding: 14px 0;
}

.brand{
  display:flex; align-items:center; gap:10px;
}
.brand img{ width:34px; height:34px; }
.brand .name{ font-weight: 800; letter-spacing: -0.2px; }
.brand .tag{ display:block; font-size:12px; color:var(--muted); margin-top:2px; }

.navlinks{
  display:flex; align-items:center; gap: 6px;
  padding: 6px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.65);
  border-radius: 999px;
  box-shadow: var(--shadow2);
}
.navlinks a{
  font-size: 13px;
  color: rgba(11,18,32,0.70);
  padding: 10px 12px;
  border-radius: 999px;
  transition: 160ms ease;
}
.navlinks a:hover{ background: rgba(11,18,32,0.05); color: var(--text); }
.navlinks a.active{
  background: rgba(79,70,229,0.12);
  border: 1px solid rgba(79,70,229,0.18);
  color: var(--text);
}

.nav-cta{ display:flex; align-items:center; gap:10px; }

.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  padding: 11px 14px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.78);
  color: var(--text);
  font-weight: 700;
  font-size: 14px;
  box-shadow: var(--shadow2);
  transition: 180ms ease;
}
.btn:hover{ transform: translateY(-1px); background: rgba(255,255,255,0.95); }
.btn:active{ transform: translateY(0); }
.btn.primary{
  border: 1px solid rgba(79,70,229,0.30);
  background: linear-gradient(135deg, rgba(79,70,229,0.98), rgba(6,182,212,0.88));
  color:#071019;
  box-shadow: 0 16px 40px rgba(79,70,229,0.18);
}
.btn.primary:hover{
  background: linear-gradient(135deg, rgba(79,70,229,1), rgba(6,182,212,0.94));
}

.icon-btn{
  width: 42px; height: 42px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.78);
  box-shadow: var(--shadow2);
  display:inline-flex; align-items:center; justify-content:center;
}
.mobile-toggle{ display:none; }

.mobile-menu{
  display:none;
  padding: 12px 0 16px;
}
.mobile-menu a{
  display:block;
  padding: 12px 12px;
  border-radius: 14px;
  color: rgba(11,18,32,0.75);
}
.mobile-menu a:hover{ background: rgba(11,18,32,0.05); color: var(--text); }

/* Shared UI */
.card{
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r2);
  box-shadow: var(--shadow);
}

.pill{
  display:inline-flex; align-items:center; gap:8px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.65);
  color: rgba(11,18,32,0.70);
  font-size: 12px;
  font-weight: 650;
}

.section{ padding: 54px 0; }
.section h2{
  margin:0;
  font-size: 26px;
  letter-spacing:-0.4px;
}
.sub{
  margin: 8px 0 0;
  color: var(--muted);
  max-width: 78ch;
}

/* HERO v2 */
.hero{ padding: 26px 0 10px; }
.heroShell{
  padding: 22px;
  border-radius: 34px;
  border: 1px solid rgba(11,18,32,0.10);
  background:
    radial-gradient(700px 500px at 10% 10%, rgba(79,70,229,0.14), transparent 60%),
    radial-gradient(700px 520px at 90% 20%, rgba(6,182,212,0.12), transparent 55%),
    rgba(255,255,255,0.62);
  box-shadow: var(--shadow);
}

.heroGrid{
  display:grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 16px;
  align-items: stretch;
}

.h1{
  margin: 14px 0 10px;
  font-size: clamp(34px, 3.6vw, 56px);
  line-height: 1.02;
  letter-spacing: -0.8px;
}
.lead{
  margin: 0;
  font-size: 16px;
  color: rgba(11,18,32,0.68);
  max-width: 70ch;
}

.heroActions{
  margin-top: 18px;
  display:flex;
  gap: 12px;
  flex-wrap: wrap;
}

.bento{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.bento .tile{
  padding: 16px;
  border-radius: 22px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.70);
  box-shadow: var(--shadow2);
}
.tile .k{ font-size: 12px; color: var(--muted); margin-top:6px; }
.tile .v{ font-weight: 850; letter-spacing: -0.2px; }

.heroRight{
  display:flex;
  flex-direction:column;
  gap: 12px;
}
.heroArt{
  border-radius: 28px;
  overflow:hidden;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.70);
  box-shadow: var(--shadow2);
}
.heroArt img{
  width:100%;
  height: 100%;
  object-fit: cover;
}

.note{
  padding: 14px;
  border-radius: 20px;
  border: 1px dashed rgba(11,18,32,0.18);
  background: rgba(255,255,255,0.65);
  color: rgba(11,18,32,0.68);
  font-size: 13px;
}

/* Grids */
.grid3{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.feature{
  padding: 18px;
  border-radius: 24px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.70);
  box-shadow: var(--shadow2);
}
.feature .t{ font-weight: 850; letter-spacing: -0.2px; }
.feature .d{ margin-top: 8px; color: var(--muted); font-size: 14px; }

.split{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

/* Page header */
.pagehead{ padding: 26px 0 10px; }
.breadcrumb{ color: var(--muted); font-size: 13px; }
.page-title{
  margin: 10px 0 6px;
  font-size: clamp(28px, 3vw, 44px);
  letter-spacing: -0.6px;
}
.page-lead{ margin:0; color: var(--muted); max-width: 78ch; }

/* Portfolio + contact */
.grid2{ display:grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }

.project{
  overflow:hidden;
  border-radius: 28px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.74);
  box-shadow: var(--shadow2);
}
.project .media{
  border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,0.65);
}
.project .media img{ width:100%; height: 240px; object-fit: cover; }
.project .body{ padding: 16px; }
.project h3{ margin:0; font-weight: 900; letter-spacing:-0.2px; }
.project p{ margin:8px 0 0; color: var(--muted); font-size: 14px; }
.meta{ margin-top: 12px; display:flex; flex-wrap:wrap; gap: 8px; }

.form{ display:grid; gap: 12px; }
.field{ display:grid; gap: 6px; }
.label2{ font-size: 13px; font-weight: 800; color: rgba(11,18,32,0.75); }
.input, .textarea{
  padding: 12px 12px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.90);
  outline:none;
  transition: 160ms ease;
}
.input:focus, .textarea:focus{
  border-color: rgba(79,70,229,0.35);
  box-shadow: 0 0 0 4px rgba(79,70,229,0.10);
}
.textarea{ min-height: 140px; resize: vertical; }

.alert{
  padding: 12px 14px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.72);
  color: rgba(11,18,32,0.72);
  font-size: 14px;
}

.contact-block{
  display:grid;
  gap: 6px;
  font-size: 13px;
  color: rgba(11,18,32,0.70);
}
.contact-block .label{ font-weight: 850; color: rgba(11,18,32,0.80); }
.contact-block a{ text-decoration: underline; text-underline-offset: 4px; }

.faq{ display:grid; gap: 10px; }
.faq details{
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 12px 14px;
  background: rgba(255,255,255,0.72);
}
.faq summary{ cursor:pointer; font-weight: 850; }
.faq p{ margin:10px 0 0; color: var(--muted); font-size: 14px; }

/* Footer */
.footer{
  padding: 28px 0 38px;
  border-top: 1px solid var(--border);
  color: rgba(11,18,32,0.62);
  margin-top: 30px;
}
.footergrid{
  display:flex;
  justify-content:space-between;
  align-items:flex-start;
  gap: 16px;
  flex-wrap:wrap;
}
.footlinks{
  display:flex; gap: 10px; flex-wrap: wrap;
}
.footlinks a{
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid transparent;
  color: rgba(11,18,32,0.68);
}
.footlinks a:hover{
  background: rgba(11,18,32,0.05);
  border-color: rgba(11,18,32,0.08);
  color: var(--text);
}

/* Responsive */
@media (max-width: 980px){
  .heroGrid{ grid-template-columns: 1fr; }
  .grid3{ grid-template-columns: 1fr; }
  .split{ grid-template-columns: 1fr; }
  .grid2{ grid-template-columns: 1fr; }
  .navlinks{ display:none; }
  .mobile-toggle{ display:inline-flex; }
  .mobile-menu.show{ display:block; }
}