/* ai-123-site — styles.css (darkscale + working hero background + bright blue CTA) */

/* Variables */
:root{
  --bg: #0b1220;
  --panel: rgba(15,23,42,0.65);
  --panel-2: rgba(15,23,42,0.45);
  --border: rgba(255,255,255,0.10);

  --text: #e5e7eb;
  --muted: #9ca3af;

  --primary: #2563eb;
  --primary-600: #1e40af;

  --radius: 12px;
  --container-width: 1100px;
  --gap: 1.25rem;

  font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
  color-scheme: dark;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img{max-width:100%; height:auto; display:block}
a{color:inherit}

/* Layout */
.container{
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 1.25rem;
}

/* Header (matches your HTML: .site-header .container + .nav links) */
.site-header{
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  background: linear-gradient(180deg, rgba(11,18,32,0.70), rgba(11,18,32,0.94));
  backdrop-filter: blur(8px);
}

.site-header .container{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: var(--gap);
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
}

.brand{
  margin:0;
  font-weight: 800;
  letter-spacing: 0.02em;
  font-size: 1.15rem;
  color: var(--text);
}
.brand{
  display: flex;
  align-items: center;
  text-decoration: none;
}

.brand-logo{
  height: 36px;
  width: auto;
  display: block;
}

.nav{
  display:flex;
  gap: 1rem;
  flex-wrap: wrap;
}
.nav a{
  text-decoration:none;
  color: rgba(229,231,235,0.78);
  font-weight: 650;
}
.nav a:hover{color: var(--text)}

/* Buttons */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap: 0.4rem;
  padding: 0.55rem 0.95rem;
  border-radius: 10px;
  border: 1px solid transparent;
  text-decoration:none;
  color: rgba(229,231,235,0.85);
  background: transparent;
  font-weight: 700;
  cursor: pointer;
  transition:
    background 0.2s ease,
    color 0.2s ease,
    transform 0.15s ease,
    box-shadow 0.25s ease,
    border-color 0.2s ease;
}

.btn:hover{
  border-color: rgba(255,255,255,0.10);
  background: rgba(255,255,255,0.04);
}

.btn.primary{
  background: var(--primary);
  color: #ffffff;
  text-transform: uppercase;
  letter-spacing: 0.06em;

  border: 2px solid rgba(255,255,255,0.90);
  box-shadow:
    0 12px 28px rgba(37,99,235,0.25),
    0 0 0 3px rgba(255,255,255,0.18);
}

.btn.primary:hover{
  background: var(--primary-600);
  transform: translateY(-1px);
  box-shadow:
    0 14px 34px rgba(37,99,235,0.32),
    0 0 0 5px rgba(255,255,255,0.26);
}

.btn.primary:focus-visible{
  outline:none;
  box-shadow:
    0 0 0 4px rgba(255,255,255,0.45),
    0 0 0 7px rgba(37,99,235,0.38);
}

/* Hero */
.hero{
  position: relative;
  min-height: 80vh;
  display:flex;
  align-items:center;

  background-image:
    linear-gradient(180deg, rgba(11,18,32,0.78), rgba(11,18,32,0.40)),
    url("/public/images/background-image.jpg");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero-inner{
  display:grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(1rem, 3vw, 2.5rem);
  align-items:center;
  padding: 3rem 0;
}

.hero-copy h2{
  margin:0 0 0.75rem 0;
  font-size: clamp(1.9rem, 3.6vw, 2.8rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.lead{
  margin: 0 0 1rem 0;
  color: rgba(229,231,235,0.82);
  max-width: 60ch;
}

.benefits{
  margin: 0 0 1.25rem 1.1rem;
  padding:0;
  color: rgba(229,231,235,0.80);
}
.benefits li{margin: 0.35rem 0}

.hero-media{
  background: rgba(15,23,42,0.40);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: 16px;
  padding: 0.75rem;
  box-shadow: 0 18px 45px rgba(0,0,0,0.35);
}
.hero-media img{
  border-radius: 12px;
  width: 100%;
  height: auto;
  object-fit: cover;
}