/* Dave Knows London — modern one-page rebuild
   Plain HTML + CSS, mobile-first, no frameworks. */

:root{
  --bg: #070A12;
  --panel: rgba(255,255,255,.06);
  --panel-2: rgba(255,255,255,.09);
  --text: rgba(255,255,255,.92);
  --muted: rgba(255,255,255,.70);
  --muted-2: rgba(255,255,255,.55);
  --border: rgba(255,255,255,.14);
  --shadow: 0 18px 60px rgba(0,0,0,.45);

  --accent: #7C5CFF;
  --accent-2: #2CE6B6;
  --accent-3: #FFD15C;

  --radius: 22px;
  --radius-sm: 14px;
  --wrap: 1120px;

  --font: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  font-family: var(--font);
  background:
    radial-gradient(1000px 600px at 15% 10%, rgba(124,92,255,.35), transparent 70%),
    radial-gradient(900px 500px at 85% 20%, rgba(44,230,182,.22), transparent 70%),
    radial-gradient(900px 500px at 70% 90%, rgba(255,209,92,.18), transparent 70%),
    var(--bg);
  color: var(--text);
  line-height: 1.5;
}

img{ max-width: 100%; display:block; }
a{ color: inherit; }
p{ margin: 0 0 1rem; }
h1,h2,h3{ line-height: 1.15; letter-spacing: -.02em; margin:0; }
h1{ font-size: clamp(2.1rem, 3vw + 1.2rem, 3.8rem); }
h2{ font-size: clamp(1.6rem, 1.6vw + 1.1rem, 2.2rem); }
h3{ font-size: 1.1rem; }

.wrap{
  width: min(100%, var(--wrap));
  margin-inline: auto;
  padding-inline: 20px;
}

.skip-link{
  position:absolute;
  left:-9999px;
  top:auto;
  width:1px;
  height:1px;
  overflow:hidden;
}
.skip-link:focus{
  left: 16px;
  top: 16px;
  width: auto;
  height: auto;
  padding: 10px 14px;
  background: rgba(0,0,0,.75);
  border: 1px solid var(--border);
  border-radius: 12px;
  z-index: 9999;
}

.site-header{
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(7,10,18,.55);
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 14px 0;
  gap: 16px;
}

.brand{
  display:flex;
  align-items:center;
  gap: 12px;
  text-decoration:none;
  min-width: 220px;
}
.brand-mark{
  width: 46px;
  height: 46px;
  display:grid;
  place-items:center;
  border-radius: 16px;
  font-weight: 800;
  letter-spacing: .06em;
  background:
    radial-gradient(circle at 30% 30%, rgba(255,255,255,.18), rgba(255,255,255,.03)),
    linear-gradient(135deg, rgba(124,92,255,.9), rgba(44,230,182,.7));
  box-shadow: 0 16px 40px rgba(0,0,0,.35);
}
.brand-text{ display:flex; flex-direction:column; gap: 2px; }
.brand-sub{ font-size: .9rem; color: var(--muted-2); }

.nav{
  display:flex;
  align-items:center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.nav a{
  text-decoration:none;
  font-size: .95rem;
  color: var(--muted);
  padding: 10px 12px;
  border-radius: 12px;
}
.nav a:hover{
  color: var(--text);
  background: rgba(255,255,255,.06);
}

.button{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: 999px;
  text-decoration:none;
  font-weight: 650;
  border: 1px solid rgba(255,255,255,.16);
  background: linear-gradient(135deg, rgba(124,92,255,.95), rgba(44,230,182,.70));
  box-shadow: 0 18px 50px rgba(0,0,0,.35);
}
.button:hover{ filter: brightness(1.03); transform: translateY(-1px); }
.button:active{ transform: translateY(0px); }
.button.small{ padding: 9px 14px; font-size: .93rem; }
.button.ghost{
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.18);
  box-shadow: none;
}

.hero{
  padding: 56px 0 18px;
}
.hero-grid{
  display:grid;
  gap: 24px;
  align-items: start;
}
@media (min-width: 980px){
  .hero-grid{
    grid-template-columns: 1.15fr .85fr;
    gap: 28px;
    align-items: stretch;
  }
}

.pill{
  display:inline-flex;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.05);
  color: var(--muted);
  font-size: .92rem;
  margin: 0 0 14px;
}

.lede{
  font-size: 1.08rem;
  color: var(--muted);
  max-width: 58ch;
  margin-top: 14px;
}

.cta-row{
  display:flex;
  gap: 12px;
  flex-wrap: wrap;
  margin: 18px 0 22px;
}

.hero-stats{
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
}
.hero-stats div{
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.10);
}
.hero-stats dt{
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--muted-2);
}
.hero-stats dd{
  margin: 6px 0 0;
  font-weight: 700;
}

.hero-card{
  border-radius: var(--radius);
  overflow: hidden;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.12);
  box-shadow: var(--shadow);
}
.hero-image{
  aspect-ratio: 16 / 11;
  background:
    linear-gradient(180deg, rgba(7,10,18,.00), rgba(7,10,18,.82)),
    url("img/sunrise.jpg") center / cover no-repeat;
}
.hero-card-body{
  padding: 18px 18px 16px;
}
.hero-card-title{
  font-weight: 750;
  margin-bottom: 8px;
}
.hero-card-text{
  color: var(--muted);
  margin-bottom: 14px;
}
.hero-tags{
  display:flex;
  flex-wrap: wrap;
  gap: 8px;
}
.hero-tags span{
  font-size: .85rem;
  padding: 7px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.04);
  color: var(--muted);
}

.features{
  padding: 26px 0 18px;
}
.grid-3{
  display:grid;
  gap: 14px;
}
@media (min-width: 860px){
  .grid-3{ grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
.feature{
  padding: 18px 16px;
  border-radius: var(--radius);
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.10);
}
.feature p{ color: var(--muted); margin-top: 10px; }

.icon{
  width: 42px;
  height: 42px;
  border-radius: 16px;
  display:grid;
  place-items:center;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.14);
  color: rgba(255,255,255,.88);
}
.icon svg{ width: 22px; height: 22px; }

.section{
  padding: 60px 0;
}
.section.alt{
  background: rgba(255,255,255,.02);
  border-top: 1px solid rgba(255,255,255,.06);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.section-head{
  display:flex;
  flex-direction: column;
  gap: 10px;
  max-width: 70ch;
  margin-bottom: 20px;
}
.section-head p{ color: var(--muted); }

.cards{
  display:grid;
  gap: 14px;
}
@media (min-width: 980px){
  .cards{ grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

.card{
  padding: 18px 16px 16px;
  border-radius: var(--radius);
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.10);
  box-shadow: 0 14px 40px rgba(0,0,0,.25);
}
.card-top{ margin-bottom: 12px; }
.card .muted{ color: var(--muted); margin-top: 8px; }
.card-foot{
  display:flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}
.chip{
  font-size: .85rem;
  color: var(--muted);
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
  padding: 7px 10px;
  border-radius: 999px;
}

.ticks{
  list-style: none;
  padding: 0;
  margin: 0;
  display:grid;
  gap: 10px;
  color: var(--muted);
}
.ticks li{
  padding-left: 30px;
  position: relative;
}
.ticks li::before{
  content: "✓";
  position:absolute;
  left: 0;
  top: 0;
  width: 22px;
  height: 22px;
  display:grid;
  place-items:center;
  border-radius: 9px;
  background: rgba(44,230,182,.12);
  border: 1px solid rgba(44,230,182,.22);
  color: rgba(255,255,255,.92);
  font-weight: 800;
}

.note{
  margin-top: 16px;
  border-radius: var(--radius);
  padding: 14px 16px;
  border: 1px dashed rgba(255,255,255,.20);
  background: rgba(255,255,255,.03);
  color: var(--muted);
}

.two-col{
  display:grid;
  gap: 18px;
}
@media (min-width: 980px){
  .two-col{
    grid-template-columns: 1.05fr .95fr;
    gap: 22px;
    align-items: start;
  }
}

.callout{
  margin-top: 16px;
  padding: 16px 16px;
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
}
.callout h3{ margin-bottom: 10px; }

.stack{
  display:grid;
  gap: 12px;
}
.mini-card{
  padding: 16px 16px;
  border-radius: var(--radius);
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.10);
}
.mini-title{
  font-weight: 750;
  margin-bottom: 8px;
}
.mini-text{ color: var(--muted); margin:0; }

.qa-grid{
  display:grid;
  gap: 14px;
}
@media (min-width: 860px){
  .qa-grid{ grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
.qa{
  padding: 16px 16px;
  border-radius: var(--radius);
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.10);
}
.qa p{ color: var(--muted); margin-top: 10px; }

.testimonials{
  display:grid;
  gap: 14px;
}
@media (min-width: 980px){
  .testimonials{ grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
.quote{
  margin: 0;
  padding: 16px;
  border-radius: var(--radius);
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.10);
}
.quote img{
  width: 56px;
  height: 56px;
  object-fit: cover;
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,.14);
}
.quote blockquote{
  margin: 12px 0 10px;
  color: var(--text);
  font-weight: 650;
}
.quote figcaption{ color: var(--muted); font-size: .95rem; }

.faq{
  display:grid;
  gap: 10px;
}
details{
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.04);
  padding: 14px 16px;
}
summary{
  cursor: pointer;
  font-weight: 750;
}
details p{
  color: var(--muted);
  margin: 10px 0 0;
}

.signup{
  padding: 56px 0;
  background:
    radial-gradient(800px 420px at 15% 30%, rgba(124,92,255,.35), transparent 70%),
    radial-gradient(700px 420px at 85% 65%, rgba(44,230,182,.22), transparent 70%),
    rgba(255,255,255,.02);
  border-top: 1px solid rgba(255,255,255,.06);
}
.signup-inner{
  display:grid;
  gap: 16px;
  border-radius: calc(var(--radius) + 4px);
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.22);
  padding: 18px;
}
@media (min-width: 980px){
  .signup-inner{
    grid-template-columns: 1.25fr .75fr;
    align-items: center;
    padding: 22px;
  }
}
.signup-copy p{ color: var(--muted); margin-top: 10px; }
.small{ font-size: .95rem; }
.muted{ color: var(--muted); }

.signup-form{
  display:grid;
  gap: 10px;
}
input[type="email"]{
  width: 100%;
  padding: 12px 14px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.18);
  background: rgba(255,255,255,.06);
  color: var(--text);
  outline: none;
}
input[type="email"]::placeholder{ color: rgba(255,255,255,.45); }
input[type="email"]:focus{
  border-color: rgba(44,230,182,.40);
  box-shadow: 0 0 0 4px rgba(44,230,182,.12);
}
.form-note{
  margin: 0;
  font-size: .88rem;
  color: var(--muted-2);
}

.site-footer{
  padding: 28px 0 34px;
}
.footer-inner{
  display:flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
}
.footer-links{
  display:flex;
  gap: 10px;
  flex-wrap: wrap;
}
.footer-links a{
  color: var(--muted);
  text-decoration:none;
  padding: 8px 10px;
  border-radius: 12px;
}
.footer-links a:hover{
  color: var(--text);
  background: rgba(255,255,255,.05);
}

.sr-only{
  position:absolute !important;
  height:1px; width:1px;
  overflow:hidden;
  clip: rect(1px, 1px, 1px, 1px);
  white-space:nowrap;
}