/* =========================================================
   HowMuchShouldITip.org — Travel Utility Styles (neutral)
   One style.css for the MVP
   ========================================================= */

:root{
  --bg0:#070a10;
  --bg1:#0b1220;
  --panel:#0f1a2e;
  --panel2:#0c1526;
  --border:rgba(255,255,255,.10);

  --text:#eaf0ff;
  --muted:rgba(234,240,255,.72);
  --muted2:rgba(234,240,255,.55);

  --accent:#7dd3fc;        /* subtle travel-blue */
  --accent2:#a7f3d0;       /* soft mint highlight */
  --danger:#ff5c7a;

  --radius:22px;
  --radiusSm:14px;

  --shadow: 0 24px 70px rgba(0,0,0,.55);

  --container: 1040px;

  /* =========================================================
     Background watermark logo (like your other sites)
     Put your file here: /assets/howmuchshoulditip-logo.png
     ========================================================= */
  --bg-logo-url: url("/assets/logo.png");
  --bg-logo-opacity: .10;  
  --bg-logo-size: min(1100px, 92vw);
  --bg-logo-x: 50%;
  --bg-logo-y: 32%; 
}

*{ box-sizing:border-box; }
html,body{ margin:0; padding:0; min-height:100%; }

body{
  position: relative;
  isolation: isolate;

  background:
    radial-gradient(1200px 700px at 20% -10%, rgba(125,211,252,.18), transparent 60%),
    radial-gradient(900px 600px at 90% 10%, rgba(167,243,208,.14), transparent 55%),
    radial-gradient(1000px 700px at 50% 120%, rgba(255,255,255,.06), transparent 55%),
    linear-gradient(180deg, var(--bg0), var(--bg1));

  color: var(--text);
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  line-height:1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Watermark layer */
body::before{
  content:"";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;

  background-image: var(--bg-logo-url);
  background-repeat: no-repeat;
  background-position: var(--bg-logo-x) var(--bg-logo-y);
  background-size: var(--bg-logo-size);
  opacity: var(--bg-logo-opacity);

  /* subtle / premium look */
  filter: saturate(.95) contrast(1.05);
  transform: translateZ(0);
}

a{
  color: var(--muted);
  text-decoration: none;
  transition: color .15s ease;
}
a:hover{ color: var(--text); }

.container{
  width: min(var(--container), calc(100% - 40px));
  margin: 0 auto;
}

.tool .container{ padding-top: 24px; padding-bottom: 44px; }

/* =========================================================
   Header / Nav
   ========================================================= */

.site-header{
  padding: 22px 0 8px;
}

.brand{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}

.logo{
  display:flex;
  align-items:center;
  gap:12px;
  padding: 8px 0;
}

.logo-img{
  height: 34px;
  width: auto;
  display: block;
  filter: saturate(.95) drop-shadow(0 8px 18px rgba(0,0,0,.35));
}

/* optional: Text etwas weniger dominant */
.logo-text{
  opacity: .92;
}

/* Mobile: Text ausblenden (optional, sieht sehr clean aus) */
@media (max-width: 520px){
  .logo-img{ height: 30px; }
  /* .logo-text{ display:none; } */
}


.logo-mark{
  display:inline-grid;
  place-items:center;
  width:34px;
  height:34px;
  border-radius: 12px;
  background: rgba(125,211,252,.14);
  border: 1px solid rgba(125,211,252,.18);
  color: var(--accent);
  font-weight: 800;
}

.logo-text{
  font-weight: 750;
  letter-spacing: .2px;
  color: var(--text);
}

.nav{
  display:flex;
  gap:14px;
  align-items:center;
}
.nav a{
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.06);
}
.nav a:hover{
  background: rgba(255,255,255,.07);
}

/* =========================================================
   Hero
   ========================================================= */

.hero{
  margin-top: 24px;
  padding: 34px 0 18px;
}

.title{
  font-size: clamp(32px, 4vw, 52px);
  line-height: 1.08;
  margin: 0 0 12px;
  letter-spacing: -0.6px;
}

.subtitle{
  margin: 0 0 22px;
  color: var(--muted);
  font-size: 16.5px;
  max-width: 62ch;
}
.subtitle strong{ color: var(--text); }

.tool-card{
  margin-top: 18px;
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  border: 1px solid rgba(255,255,255,.10);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px;
  overflow: hidden;
}

.form{ margin: 0; }

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

.field{
  display:flex;
  flex-direction:column;
  gap: 8px;
}

.label{
  font-size: 13px;
  color: var(--muted2);
  letter-spacing: .2px;
}

select, input{
  width:100%;
  padding: 12px 12px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(12,21,38,.75);
  color: var(--text);
  outline: none;
}

select:focus, input:focus{
  border-color: rgba(125,211,252,.45);
  box-shadow: 0 0 0 4px rgba(125,211,252,.12);
}

.actions{
  display:flex;
  gap: 10px;
  margin-top: 14px;
  flex-wrap: wrap;
}

.btn{
  appearance:none;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.06);
  color: var(--text);
  padding: 11px 14px;
  border-radius: 14px;
  cursor:pointer;
  font-weight: 650;
  transition: transform .06s ease, background .15s ease, border-color .15s ease;
}
.btn:hover{
  background: rgba(255,255,255,.09);
  border-color: rgba(255,255,255,.18);
}
.btn:active{ transform: translateY(1px); }

.btn.primary{
  background: rgba(125,211,252,.16);
  border-color: rgba(125,211,252,.22);
}
.btn.primary:hover{
  background: rgba(125,211,252,.22);
  border-color: rgba(125,211,252,.30);
}

.btn.ghost{
  background: transparent;
}

.micro{
  margin: 10px 2px 0;
  color: var(--muted2);
  font-size: 13px;
}
.dim{ color: rgba(234,240,255,.50); }

/* =========================================================
   Result Card
   ========================================================= */

.result{
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,.10);
}

.result-top{
  display:flex;
  gap: 12px;
  align-items:flex-start;
}

.result-badge{
  flex: 0 0 auto;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  display:grid;
  place-items:center;
  background: rgba(167,243,208,.12);
  border: 1px solid rgba(167,243,208,.18);
  color: var(--accent2);
  font-weight: 800;
  letter-spacing: .4px;
}

.result-title{
  margin: 0;
  font-size: 18px;
  letter-spacing: -0.2px;
}
.result-sub{
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.result-body{
  display:grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 14px;
  margin-top: 14px;
}

.result-main{
  padding: 14px;
  border-radius: 18px;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
}

.big{
  font-size: 34px;
  line-height: 1.1;
  font-weight: 850;
  letter-spacing: -0.6px;
}

.meta{
  margin-top: 8px;
  color: var(--muted);
  font-size: 14px;
}

.result-notes{
  padding: 14px;
  border-radius: 18px;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
}

.h3{
  margin: 0 0 8px;
  font-size: 14px;
  color: var(--muted2);
  letter-spacing: .2px;
  font-weight: 750;
  text-transform: uppercase;
}

.list{
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
}
.list li{ margin: 6px 0; }

.result-actions{
  display:flex;
  gap:10px;
  flex-wrap: wrap;
  margin-top: 12px;
}

/* =========================================================
   Trust row
   ========================================================= */

.trust{
  display:grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 10px;
  margin-top: 14px;
}

.trust-item{
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.07);
  border-radius: 18px;
  padding: 12px 14px;
}

.trust-kicker{
  display:block;
  font-size: 12px;
  color: var(--muted2);
  text-transform: uppercase;
  letter-spacing: .22px;
  font-weight: 750;
}

.trust-text{
  display:block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 14px;
}

/* =========================================================
   Sections
   ========================================================= */

.section{
  margin-top: 26px;
  padding-top: 22px;
  border-top: 1px solid rgba(255,255,255,.08);
}

.section-title{
  margin: 0 0 10px;
  font-size: 22px;
  letter-spacing: -0.3px;
}
.section-lead{
  margin: 0 0 14px;
  color: var(--muted);
  max-width: 78ch;
}

.info-grid{
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 12px;
}

.info{
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 18px;
  padding: 14px;
}

.chips{
  display:flex;
  flex-wrap: wrap;
  gap: 10px;
}

.chip{
  display:inline-flex;
  align-items:center;
  padding: 10px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
}
.chip:hover{
  background: rgba(255,255,255,.07);
  border-color: rgba(255,255,255,.14);
}

/* =========================================================
   FAQ
   ========================================================= */

.faq{
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 18px;
  padding: 10px 12px;
  margin: 10px 0;
}

.faq summary{
  cursor:pointer;
  font-weight: 700;
  color: var(--text);
  list-style:none;
}
.faq summary::-webkit-details-marker{ display:none; }

.faq-body{
  padding: 10px 2px 2px;
  color: var(--muted);
}

/* =========================================================
   Footer
   ========================================================= */

.footer{
  margin-top: 24px;
  padding: 26px 0 42px;
  border-top: 1px solid rgba(255,255,255,.08);
  background: rgba(0,0,0,.10);
}

.footer-inner{
  display:flex;
  flex-direction:column;
  gap: 10px;
}

.sep{ margin: 0 8px; color: rgba(234,240,255,.35); }

/* =========================================================
   Responsive
   ========================================================= */

@media (max-width: 860px){
  .grid{ grid-template-columns: 1fr; }
  .result-body{ grid-template-columns: 1fr; }
  .info-grid{ grid-template-columns: 1fr; }
  .trust{ grid-template-columns: 1fr; }
  .nav{ display:none; }

  /* Watermark tweaks on smaller screens */
  :root{
    --bg-logo-opacity: .08;
    --bg-logo-size: min(820px, 96vw);
    --bg-logo-y: 36%;
  }
}

@media (prefers-reduced-motion: reduce){
  *{ scroll-behavior:auto !important; transition:none !important; }
}