/*
 * Styles for Entrepreneur Tutor website
 *
 * The colour palette uses deep blues and muted tones to create a calm, professional look.  
 * Layouts are responsive with a simple grid system.  
 */

:root{
  --bg:#0b1220;
  --panel:#0f1a2f;
  --text:#e9eefc;
  --muted:#b5c0df;
  --line:rgba(255,255,255,.12);
  --accent:#79a7ff;
}

*{box-sizing:border-box}
body{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  background: linear-gradient(180deg, var(--bg), #060a12);
  color:var(--text);
  line-height:1.5;
}

a{color:var(--accent); text-decoration:none}
a:hover{text-decoration:underline}

.container{width:min(1080px, 92%); margin:0 auto}

.site-header{
  position:sticky; top:0;
  backdrop-filter: blur(10px);
  background: rgba(6,10,18,.75);
  border-bottom:1px solid var(--line);
  z-index:10;
}
.header-inner{display:flex; justify-content:space-between; align-items:center; padding:14px 0; gap:12px}
.brand{display:flex; align-items:center; gap:12px}
/*
 * Logo styling
 *
 * The logo is now a circular badge with a soft gradient to give the site
 * a more distinctive brand identity. The letters "ET" are larger and
 * heavier to stand out. If you decide to replace this with an actual
 * graphic in future, you can swap this div for an <img> element and
 * adjust the CSS accordingly.
 */
.logo{
  width:48px;
  height:48px;
  border-radius:50%;
  background: linear-gradient(135deg, var(--accent), #8bbfff);
  display:grid;
  place-items:center;
  font-weight:800;
  font-size:20px;
  color:#0a1020;
  box-shadow:0 0 4px rgba(0,0,0,0.3);
}
.brand-name{font-weight:700}
.brand-tag{color:var(--muted); font-size:13px}

.nav{display:flex; gap:16px; align-items:center; flex-wrap:wrap}
.nav a{color:var(--text); opacity:.9}
.nav a:hover{opacity:1}

.hero{
  /* Increase the vertical padding to allow the decorative background to breathe. */
  padding:80px 0 80px;
  /* Background image for the hero section. This abstract artwork adds a premium, professional feel. */
  background-image: url('hero-background.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  position: relative;
  isolation: isolate;
}

/* Dark overlay on top of the hero image to ensure text legibility */
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:rgba(0,0,0,0.55);
  z-index:-1;
}
.hero-inner{
  display:grid;
  grid-template-columns: 1.3fr .7fr;
  gap:22px;
  align-items:start;
}
h1{font-size:44px; margin:0 0 10px}
.lead{color:var(--muted); font-size:18px; margin:0 0 18px}

.btn{
  display:inline-block;
  padding:12px 16px;
  border-radius:12px;
  background: var(--accent);
  color:#0a1020;
  font-weight:700;
  /* Smooth transition for hover effects */
  transition: background 0.3s ease, transform 0.2s ease;
}
/* Button hover effect: subtle lift and brighten */
.btn:hover{
  text-decoration: none;
  filter: brightness(1.05);
  transform: translateY(-2px);
}
.btn.ghost{
  background: transparent;
  border:1px solid var(--line);
  color:var(--text);
}
.btn.small{padding:9px 12px; border-radius:10px}
.btn.full{display:block; text-align:center}

.cta{display:flex; gap:12px; flex-wrap:wrap}
.trust{margin-top:14px; display:flex; gap:14px; flex-wrap:wrap; color:var(--muted); font-size:14px}

.section{padding:44px 0}
.section.alt{background: rgba(255,255,255,.03); border-top:1px solid var(--line); border-bottom:1px solid var(--line)}
h2{margin:0 0 10px; font-size:28px}
.muted{color:var(--muted)}

.grid-3{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:16px;
}
.feature{
  background: rgba(255,255,255,.03);
  border:1px solid var(--line);
  border-radius:16px;
  padding:18px;
}

.card{
  background: rgba(255,255,255,.04);
  border:1px solid var(--line);
  border-radius:18px;
  padding:18px;
  /* Card styling; hover transitions are defined globally for .feature and .card */
}

/* Hover effects to add interactivity */
.feature:hover, .card:hover{
  transform: translateY(-6px);
  box-shadow: 0 6px 12px rgba(0,0,0,0.2);
}

.feature, .card{
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.fineprint{color:var(--muted); font-size:12px; margin-top:10px}

.steps{display:grid; gap:14px; margin-top:16px}
.step{
  display:flex; gap:12px;
  background: rgba(255,255,255,.03);
  border:1px solid var(--line);
  border-radius:16px;
  padding:16px;
}
.step-num{
  width:34px; height:34px; border-radius:10px;
  background: rgba(121,167,255,.18);
  display:grid; place-items:center;
  font-weight:800;
}

.tags{display:flex; flex-wrap:wrap; gap:10px; margin-top:14px}
.tags span{
  border:1px solid var(--line);
  background: rgba(255,255,255,.03);
  padding:8px 10px;
  border-radius:999px;
  color:var(--text);
  font-size:14px;
}

.split{display:grid; grid-template-columns: 1.2fr .8fr; gap:18px; align-items:start}
.list{margin:12px 0 0; padding-left:18px}
.list.compact{margin:8px 0 0}

.contact-card{
  margin-top:18px;
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:16px;
  background: rgba(255,255,255,.03);
  border:1px solid var(--line);
  border-radius:16px;
  padding:18px;
}

.privacy{
  margin-top:18px;
  padding:16px;
  border:1px solid var(--line);
  border-radius:16px;
  background: rgba(255,255,255,.02);
}

.site-footer{
  padding:20px 0;
  border-top:1px solid var(--line);
  color:var(--muted);
  font-size:13px;
}

@media (max-width: 860px){
  .hero-inner, .grid-3, .split, .contact-card{grid-template-columns: 1fr}
  h1{font-size:36px}
}