/* Trinitech theme (Slate Grey + Vibrant Purple + White) */
:root {
  --bg: #0f1115;
  --surface: #141820;
  --text: #FFFFFF;
  --muted: #c9c9c9;
  --primary: #4A4A4A;   /* Slate Grey */
  --border: #2a2f37;
  --accent: #8E44AD;    /* Vibrant Purple */
  --maxw: 1080px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--text); background: radial-gradient(1200px circle at 15% 10%, #0b0d12 0%, var(--bg) 35%, #060709 100%); font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, "Helvetica Neue", Arial, sans-serif; line-height: 1.6; }

/* Skip link for accessibility */
.skip-link { position: absolute; left: -999px; top: -999px; background: #141820; color: #fff; padding: .5rem .75rem; border: 1px solid var(--border); border-radius: .5rem; }
.skip-link:focus { left: .75rem; top: .75rem; z-index: 1000; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 1.5rem; }
a { color: var(--accent); text-decoration: none; }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
a:hover { text-decoration: underline; }

/* Header / Nav */
header { position: sticky; top: 0; z-index: 50; background: rgba(20, 24, 32, 0.85); backdrop-filter: saturate(150%) blur(8px); border-bottom: 1px solid var(--border); }
.nav { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.brand { display: flex; align-items: center; gap: .75rem; font-weight: 750; letter-spacing: .2px; }
.brand img { width: 48px; height: 48px; border-radius: .25rem; object-fit: cover; }
.navlinks { display: flex; gap: 1rem; flex-wrap: wrap; }
.navlinks a { padding: .6rem .9rem; border-radius: .6rem; border: 1px solid transparent; color: var(--text); transition: background 120ms ease, color 120ms ease, box-shadow 120ms ease; }
.navlinks a:hover { background: var(--accent); transition: transform 120ms ease, background 120ms ease, color 120ms ease; }
/* Current page highlight */
.navlinks a[aria-current="page"] { color: #ffffff; background: linear-gradient(90deg, var(--accent)); border-color: var(--border); box-shadow: 0 0 0 1px rgba(142,68,173,.25) inset; text-decoration: underline;}

/* Hero */
.hero { padding: 4rem 0 2.5rem; text-align: center; /*background:  radial-gradient(600px circle at 20% 0%, rgba(142, 68, 173, .18), transparent 50%), radial-gradient(800px circle at 80% 10%, rgba(74, 74, 74, .15), transparent 60%);*/ border-bottom: 1px solid var(--border); }
.hero h1 { font-size: clamp(2rem, 4vw + 1rem, 3rem); margin: 0 0 .75rem; }
.hero p { color: var(--muted); max-width: 800px; margin: 0 auto 1.25rem; }
.cta { display: inline-flex; gap: .75rem; align-items: center; padding: .75rem 1rem; border-radius: .7rem; font-weight: 600; background: var(--accent) /*linear-gradient(90deg, var(--accent), var(--primary))*/; color: #ffffff; border: 1px solid rgba(255,255,255,.2); }
.cta:hover { transform: translateY(-1px); transition: transform .1s ease; }

/* Sections */
.section { padding: 2rem 0; }
.section h2 { margin: 0 0 .75rem; font-size: clamp(1.5rem, 3vw + .25rem, 2rem); }
.section p.lead { color: var(--muted); }

/* Grid & Cards */
.grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
.card { border: 1px solid var(--border); border-radius: .9rem; overflow: hidden; background: linear-gradient(180deg, #141820, #10151c); }
.card-header { padding: .9rem 1rem; border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; }
.card-title { font-weight: 600; }
.card-badge { font-size: .75rem; color: var(--muted); border: 1px dashed var(--border); border-radius: .5rem; padding: .2rem .5rem; }
.card-iframe, .card img { width: 100%; aspect-ratio: 16 / 9; border: 0; background: #0b1220; display:block; }

/* Testimonials */
#testimonials { border-top: var(--border) 1px solid; padding: 1rem; background: linear-gradient(180deg, #fff,) }

/* Services */
.service { border: 1px solid var(--border); border-radius: .9rem; padding: 1rem; background: linear-gradient(180deg, #141820, #10151c); }
.btn { border-color: var(--accent); display: inline-flex; align-items: center; gap: .5rem; padding: .6rem .9rem; border: 1px solid var(--border); border-radius: .7rem; color: var(--text); background: #0d1627; }
.btn.primary { border-color: var(--accent) /*transparent; background: linear-gradient(90deg, var(--accent), var(--primary))*/; color: #ffffff; }
.btn:hover { background: var(--accent); transition: transform 120ms ease, background 120ms ease, color 120ms ease; }
.btn.primary:hover { background: var(--accent); transition: transform 120ms ease, background 120ms ease, color 120ms ease; }

/* Team */
.team { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.member { border: 1px solid var(--border); border-radius: .9rem; padding: 1rem; background: linear-gradient(180deg, #141820, #10151c); display: grid; grid-template-columns: 110px 1fr; gap: 1rem; align-items: center; }
.member img { width: 110px; height: 110px; border-radius: 50%; object-fit: cover; object-position: top center; border: 2px solid var(--accent); }
.member h3 { margin: 0; }
.member p { margin: .25rem 0 0; color: var(--muted); }
.member a.btn { border-color: var(--accent);}

/* Social links under member card */
.member .social { list-style: none; margin: .5rem 0 0; padding: 0; display: flex; gap: .5rem; }
.member .social a { display: inline-flex; align-items: center; justify-content: center; width: 34px; height: 34px; border-radius: .5rem; border: 1px solid var(--border); background: #0d1627; color: var(--text); transition: transform 120ms ease, background 120ms ease, color 120ms ease;}
.member .social a:hover,.member .social a:focus-visible { background: var(--accent) /*linear-gradient(90deg, var(--accent), var(--primary)); color: #0b1220; transform: translateY(-1px);*/ }

/* Visually hidden text for screen readers */
.sr-only {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}


/* Forms */
form { display: grid; gap: .75rem; max-width: 720px; }
label { font-weight: 600; }
input, textarea, select { padding: .6rem .8rem; border-radius: .6rem; border: 1px solid var(--border); background: #0d1627; color: var(--text); }
input:focus-visible, textarea:focus-visible, select:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* Footer */
footer { border-top: 1px solid var(--border); margin-top: 2rem; background: rgba(20, 24, 32, .7); backdrop-filter: blur(6px); }
.footer-inner { display: grid; gap: .75rem; padding: 1.5rem; align-items: center; }
footer small { color: var(--muted); }

@media (max-width: 640px) { .nav { flex-direction: column; align-items: flex-start; } .navlinks { padding-bottom: .75rem; } }