:root{
  --orange: rgb(205 144 81);   
  --grey-green: rgb(80 95 91);    
  --off-white: rgb(247 246 242);  
  --tan: rgb(225 199 172);  
  --brown-green: rgb(143 134 93); 
  --teal: rgb(67 180 192);

  --text: rgba(255,255,255,.92);
  --muted: rgba(255,255,255,.72);
  --shadow: 0 10px 28px rgba(0,0,0,.28);
}


body{
  margin: 0;
  font-family: "Source Sans Pro", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);
  line-height: 1.55;
}


body::before {
    content: "";
    position: fixed;
    inset: 0;
    background: url('seven_bg_home.jpg') center / cover no-repeat;
    opacity: 0.88;
    z-index: -2;
}
body::after{
  content:"";
  position: fixed;
  inset: 0;
  background: radial-gradient(1200px 700px at 50% 10%, rgba(0,0,0,.35), rgba(0,0,0,.40));
  z-index: -1;
}

/* Logo */
.top-left-image {
    position: fixed;
    top: 14px;
    left: 14px;
    width: 200px;
    height: auto;
    z-index: 10;
}

.content {
    width: min(1100px, 92%); 
    margin: 0 auto;
    padding: 70px 18px 60px;
    text-align: center;
}

/* Header + Paragraphs */
.content h1{
  margin: 0 0 14px;
  font-weight: 700;
  letter-spacing: 0.3px;
  line-height: 1.15;
  font-size: clamp(28px, 3.2vw, 35px);
  text-shadow: 0 8px 20px rgba(0,0,0,.35);
}
.content p{
  margin: 0 auto 15px;
  max-width: 68ch;
  font-size: clamp(15px, 1.2vw, 17px);
  line-height: 1.6;
  color: var(--muted);
  text-shadow: 0 2px 8px rgba(0,0,0,.55);
  text-wrap: pretty;
  hyphens: auto;
}
.content p:last-of-type{
  margin-bottom: 32px; /*last paragraph space after*/
}

/* Card layout */
.container{
    display: flex;
    justify-content: center;
    align-items: stretch;
    flex-wrap: wrap; /* for mobile */
    gap: 25px;
}

/* Cards + card colors*/
.register_card,
.guest_card,
.login_card{
  width: 300px;
  margin: 0;
  border-radius: 12px;
  padding: 16px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(255 255 255 / .14);
  backdrop-filter: blur(6px) saturate(.85);
  -webkit-backdrop-filter: blur(6px) saturate(.85);
  transition: transform .2s ease, box-shadow .2s ease;
}
.register_card{ background-color: rgba(111, 162, 167, 0.72); }
.guest_card{    background-color: rgba(132, 147, 143, 0.72); }
.login_card{    background-color: rgba(185, 140, 95, 0.72); }

.register_card:hover,
.guest_card:hover,
.login_card:hover {
  transform: translateY(-.5px);
  box-shadow: var(--shadow-lg);
}

/* Buttons + button colors*/
.register, .guest, .login{
    color: white;
    padding: 10px 20px;
    width: 120px;
    text-align: center;
    text-decoration: none;
    letter-spacing: 0.3px;
    display: inline-block;
    font-weight: 400;
    box-shadow: 0 8px 18px rgba(0,0,0,.22);
    transition: transform .15s ease, filter .15s ease;
    margin: 4px 2px;
    border-radius: 25px;
}
.register{background-color: var(--teal);}
.guest{background-color: var(--grey-green);}
.login{background-color: var(--orange);}

/* Button Hover Highlight */
.register:hover, .guest:hover, .login:hover{
  transform: translateY(-2px);
  filter: brightness(1.08);
}

.register:active,
.guest:active,
.login:active {
  transform: translateY(0);
  filter: brightness(0.97);
}

/* Card headings + lists */
.register_card ul, .guest_card ul, .login_card ul{
    margin: 12px 0 0;
    padding-left: 18px;
    text-align: left;
}
.register_card li, .guest_card li, .login_card li{
    margin: 8px 0;
    line-height: 1.35;
    padding-left: 10px;
    font-size: 15px;
}
.register_card h6, .guest_card h6, .login_card h6{
  margin: 12px 0 6px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
}

.register:active,
.guest:active,
.login:active {
  transform: translateY(0);
  filter: brightness(0.97);
}