:root{
  --bg:#f6f8fb;
  --panel:#ffffff;
  --text:#172033;
  --muted:#55627a;
  --line:rgba(23,32,51,.16);
  --accent:#7dd3fc;
  --shadow: 0 18px 60px rgba(24,37,64,.14);
  --radius: 18px;
  --bg-glow-1: rgba(125,211,252,.28);
  --bg-glow-2: rgba(91,111,250,.16);
  --focus-ring: rgba(49,102,194,.68);
  --header-top: rgba(246,248,251,.92);
  --header-bottom: rgba(246,248,251,.70);
  --surface-1: rgba(255,255,255,.62);
  --surface-2: rgba(255,255,255,.78);
  --surface-3: rgba(24,37,64,.08);
  --surface-4: rgba(24,37,64,.12);
  --surface-5: rgba(24,37,64,.16);
  --dot-ring: rgba(125,211,252,.26);
  --accent-border: rgba(49,102,194,.35);
  --accent-bg: rgba(125,211,252,.26);
  --mobile-nav-bg: rgba(246,248,251,.98);
  --mobile-nav-border: rgba(23,32,51,.14);
  --nav-toggle-color: rgba(23,32,51,.85);
  --nav-toggle-focus: rgba(49,102,194,.45);
  --field-border: rgba(23,32,51,.18);
  --field-bg: rgba(255,255,255,.86);
  --divider-soft: rgba(23,32,51,.14);
  color-scheme: light;
}

:root[data-theme="dark"]{
  --bg:#0b0d10;
  --panel:#0f1217;
  --text:#eef2f7;
  --muted:#b6c0cc;
  --line:rgba(255,255,255,.10);
  --shadow: 0 18px 60px rgba(0,0,0,.45);
  --bg-glow-1: rgba(125,211,252,.10);
  --bg-glow-2: rgba(167,139,250,.10);
  --focus-ring: rgba(125,211,252,.8);
  --header-top: rgba(11,13,16,.80);
  --header-bottom: rgba(11,13,16,.40);
  --surface-1: rgba(255,255,255,.03);
  --surface-2: rgba(255,255,255,.04);
  --surface-3: rgba(255,255,255,.06);
  --surface-4: rgba(255,255,255,.07);
  --surface-5: rgba(255,255,255,.08);
  --dot-ring: rgba(125,211,252,.12);
  --accent-border: rgba(125,211,252,.35);
  --accent-bg: rgba(125,211,252,.14);
  --mobile-nav-bg: rgba(6,10,18,.92);
  --mobile-nav-border: rgba(255,255,255,.08);
  --nav-toggle-color: rgba(255,255,255,.85);
  --nav-toggle-focus: rgba(120,180,255,.5);
  --field-border: rgba(255,255,255,.1);
  --field-bg: rgba(255,255,255,.03);
  --divider-soft: rgba(255,255,255,.08);
  color-scheme: dark;
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: radial-gradient(1100px 700px at 20% 0%, var(--bg-glow-1), transparent 55%),
              radial-gradient(900px 650px at 90% 10%, var(--bg-glow-2), transparent 55%),
              var(--bg);
  color:var(--text);
}

a{ color:inherit; text-decoration:none; }
.wrap{ width:min(1120px, 92vw); margin:0 auto; }
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible{
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}
.visually-hidden{
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.header{
  display:flex;
  align-items:center;
  justify-content:flex-start;
  gap: 10px;
  padding:22px 0;
  position:sticky;
  top:0;
  backdrop-filter: blur(10px);
  background: linear-gradient(to bottom, var(--header-top), var(--header-bottom));
  border-bottom:1px solid var(--line);
  z-index: 10;
}

.brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:650;
  letter-spacing:.2px;
  margin-right:0;
}
.dot{
  width:10px; height:10px; border-radius:999px;
  background: var(--accent);
  box-shadow: 0 0 0 6px var(--dot-ring);
}

.nav{ display:flex; gap:16px; align-items:center; }
.nav{ margin-left:auto; }
.nav a{
  color:var(--muted);
  font-size:14px;
  padding:8px 10px;
  border-radius:999px;
}
.nav a:hover{ color:var(--text); background: var(--surface-3); }
.nav .pill{
  color:var(--text);
  border:1px solid var(--line);
  background: var(--surface-2);
}
.nav a[aria-current="page"]{
  color: var(--text);
  background: var(--surface-5);
  box-shadow: inset 0 0 0 1px var(--line);
}

.theme-toggle{
  position: static;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 0;
  border-radius: 0;
  background: transparent;
  border: 0;
  box-shadow: none;
  color: var(--text);
  font: inherit;
  font-size: 12px;
  font-weight: 600;
  line-height: 1;
  padding: 0;
  cursor: pointer;
  margin-left: 6px;
}

.theme-toggle-track{
  width: 34px;
  height: 20px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, #ececf0, #bebec4);
  box-shadow:
    inset 0 4px 8px rgba(255,255,255,.55),
    inset 0 -3px 6px rgba(74,74,88,.18),
    0 2px 8px rgba(24,37,64,.14);
  display: flex;
  align-items: center;
  padding: 2px;
}

.theme-toggle-thumb{
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #f6f6f8;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.95),
    0 1px 4px rgba(24,37,64,.2);
  transform: translateX(0);
  transition: transform .28s ease, background-color .28s ease, box-shadow .28s ease;
}

.theme-toggle-label{
  color: var(--text);
  min-width: 2.7em;
  text-align: left;
}

:root[data-theme="dark"] .theme-toggle-track{
  background: linear-gradient(180deg, #24262d, #1a1c21);
  box-shadow:
    inset 0 10px 18px rgba(255,255,255,.05),
    inset 0 -10px 18px rgba(0,0,0,.45),
    0 10px 24px rgba(0,0,0,.45);
}

:root[data-theme="dark"] .theme-toggle-thumb{
  transform: translateX(14px);
  background: linear-gradient(180deg, #55585f, #3f4249);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.22),
    0 1px 6px rgba(0,0,0,.42);
}

.theme-toggle:hover .theme-toggle-track{
  box-shadow:
    inset 0 4px 8px rgba(255,255,255,.55),
    inset 0 -3px 6px rgba(74,74,88,.18),
    0 4px 10px rgba(24,37,64,.2);
}

:root[data-theme="dark"] .theme-toggle:hover .theme-toggle-track{
  box-shadow:
    inset 0 10px 18px rgba(255,255,255,.05),
    inset 0 -10px 18px rgba(0,0,0,.45),
    0 14px 30px rgba(0,0,0,.52);
}

@media (max-width: 820px){
  .theme-toggle{
    position: static;
    right: auto;
    top: auto;
    bottom: auto;
    z-index: auto;
    order: 2;
    margin-left: 8px;
    gap: 5px;
    font-size: 11px;
    padding: 0;
  }

  .theme-toggle-label{
    display:none;
  }

  .theme-toggle-track{
    width: 30px;
    height: 18px;
    padding: 2px;
  }

  .theme-toggle-thumb{
    width: 12px;
    height: 12px;
  }

  :root[data-theme="dark"] .theme-toggle-thumb{
    transform: translateX(12px);
  }

  .nav-toggle{
    order: 3;
    margin-left: auto;
  }
}

.hero{ padding:96px 0 56px; }
.kicker{
  color:var(--muted);
  font-size:13px;
  letter-spacing:.18em;
  text-transform:uppercase;
  margin:0 0 14px;
}
h1{
  font-size: clamp(34px, 5vw, 58px);
  line-height:1.03;
  margin:0 0 18px;
  letter-spacing:-.02em;
}
.lede{
  color:var(--muted);
  font-size: clamp(16px, 2.1vw, 18px);
  line-height:1.6;
  margin: 0 0 22px;
  max-width: 72ch;
}
.hero .sub{
  margin-top: 20px;
  max-width: 720px;
}
.hero .cta{
  margin-top: 32px;
  display: flex;
  gap: 16px;
  align-items: center;
}
.hero .meta{
  margin-top: 28px;
  font-size: 14px;
  opacity: 0.8;
}
.hero + .grid{
  margin-top: 48px;
}

.cta{ display:flex; gap:12px; flex-wrap:wrap; margin-bottom:16px; }
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:12px 16px;
  border-radius: 999px;
  border:1px solid var(--line);
  background: var(--surface-2);
  color:var(--text);
  font-weight:600;
  font-size:14px;
}
.btn:hover{ background: var(--surface-4); }
.btn.primary{
  border-color: var(--accent-border);
  background: var(--accent-bg);
}

.meta{
  color: var(--muted);
  font-size: 13px;
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}

.grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:14px;
  padding: 26px 0 10px;
}
.card{
  background: var(--surface-1);
  border:1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 18px 16px;
  box-shadow: var(--shadow);
}
.card h2{
  margin: 0 0 8px;
  font-size:16px;
  letter-spacing:-.01em;
}
.card p{
  margin:0;
  color: var(--muted);
  line-height:1.6;
  font-size:14px;
}

.panel{
  margin: 22px 0;
  background: linear-gradient(to bottom, var(--surface-1), transparent);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 18px;
  box-shadow: var(--shadow);
}
.panel-head{
  display:flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
}
.panel h2{ margin:0; font-size:18px; letter-spacing:-.01em; }
.sub{ margin:0; color:var(--muted); font-size:14px; line-height:1.6; }

.bullets{
  margin: 14px 0 0;
  padding-left: 18px;
  color: var(--muted);
  line-height:1.7;
}
.bullets strong{ color: var(--text); }

.split{
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 14px;
  padding: 10px 0 18px;
}
.split p{ color: var(--muted); line-height:1.7; margin: 10px 0 0; }

.aside{
  background: var(--surface-1);
  border:1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
}
.aside h3{ margin:0 0 10px; font-size:15px; }
.aside ul{ margin: 0; padding-left: 18px; color: var(--muted); line-height:1.75; }
.links{ display:flex; gap:10px; flex-wrap:wrap; margin-top:14px; }
.links a{
  font-size:14px;
  padding:10px 12px;
  border-radius:999px;
  border:1px solid var(--line);
  background: var(--surface-2);
  color: var(--text);
}
.links a:hover{ background: var(--surface-4); }

.contact{ display:flex; gap:12px; flex-wrap:wrap; margin-top: 14px; }
.fineprint{ margin: 14px 0 0; color: var(--muted); font-size: 14px; line-height:1.65; }
.stack-gap-sm{ margin-top: 16px; }
.card-meta{
  margin-top: 10px;
  font-size: 13px;
  color: var(--muted);
  opacity: .9;
}

.footer{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  align-items:center;
  justify-content:center;
  padding: 26px 0 40px;
  color: var(--muted);
  font-size: 13px;
  border-top: 1px solid var(--line);
  margin-top: 24px;
}

@media (max-width: 860px){
  .grid{ grid-template-columns: 1fr; }
  .split{ grid-template-columns: 1fr; }
  .hero{ padding-top: 42px; }
}

/* --- Proof page typography tuning --- */
.page-proof .kicker{
  letter-spacing: .18em;
  font-size: 12px;
  opacity: .75;
  margin: 0 0 10px;
}

.page-proof h2{
  margin: 0 0 6px;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -.01em;
}

.page-proof .sub{
  max-width: 70ch;
  opacity: .9;
  font-size: 15px;
  line-height: 1.6;
}

.page-proof .testimonial-group h3{
  margin: 0;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-proof .quote{
  font-size: 16px;
  line-height: 1.6;
  margin: 0;
  color: var(--text);
}

.page-proof .fineprint{
  opacity: .9;
  font-size: 14px;
  line-height: 1.65;
}

.page-proof .testimonial-group + .testimonial-group{
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--divider-soft);
}

.page-proof .testimonials-grid{
  padding-top: 10px;
}

.page-proof [aria-labelledby="testimonials"] > .sub{
  margin-bottom: 8px;
}

.page-proof .testimonials-label{
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -.01em;
  text-transform: none;
  color: var(--text);
  opacity: 1;
  margin-bottom: 6px;
}

.page-proof cite{
  font-style: normal;
}

.page-proof .references-note{
  margin-top: 20px;
}

.page-proof .fineprint strong{
  font-weight: 700;
  opacity: 1;
}

.form label{
  display:block;
  margin-bottom:12px;
}

.form input,
.form textarea{
  width:100%;
  padding:10px;
  border-radius:8px;
  border:1px solid var(--field-border);
  background:var(--field-bg);
  color:inherit;
  font-family:inherit;
}

.form textarea{
  resize:vertical;
}

/* --- Contact page layout override --- */

.page-contact .wrap{
  max-width: 1280px;   /* widen container */
}

.page-contact .grid{
  grid-template-columns: 1.4fr 1fr;
  gap: 32px;
}

@media (max-width: 900px){
  .page-contact .grid{
    grid-template-columns: 1fr;
  }
} 

/* Header safe margins */
header.header,
header.wrap.header{
  padding-left: 24px;
  padding-right: 24px;
}

@media (max-width: 600px){
  header.header,
  header.wrap.header{
    padding-left: 16px;
    padding-right: 16px;
  }
}

/* Mobile nav */
.nav-toggle{
  -webkit-appearance: none;
  appearance: none;
  background: transparent;
  border: 0;
  box-shadow: none;
  padding: 10px;
  border-radius: 12px;
  cursor: pointer;
  display: none;
  color: var(--nav-toggle-color);
}

.nav-toggle:focus{
  outline: 2px solid var(--nav-toggle-focus);
  outline-offset: 2px;
}

.nav-toggle-bar{
  display: block;
  width: 22px;
  height: 2px;
  background: currentColor;
  margin: 5px 0;
  border-radius: 2px;
}

@media (max-width: 820px){
  .nav-toggle{ display: inline-flex; flex-direction: column; justify-content: center; }

  /* hide nav by default on mobile */
  .nav{
    display:none;
    position:absolute;
    left:16px;
    right:16px;
    top:72px;
    padding:12px;
    border-radius:16px;
    background: var(--mobile-nav-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--mobile-nav-border);
    box-shadow: 0 20px 60px rgba(0,0,0,.35);
  }

  /* show when open */
  .nav.is-open{ display:flex; flex-direction:column; gap:10px; }

  /* make links easier to tap */
  .nav a{ padding:10px 12px; border-radius:12px; }

  /* keep button-styled Contact aligned */
  .nav a.btn.small{ display:inline-flex; width:fit-content; }
}

/* Dashboard */
.page-dashboard .dashboard-main{
  padding: 44px 0 60px;
}

.dashboard-gate{
  max-width: 700px;
  margin: 24px auto;
}

.dashboard-form{
  margin-top: 18px;
  display: grid;
  gap: 10px;
  max-width: 360px;
}

.dashboard-app .panel + .dashboard-grid{
  margin-top: 18px;
}

.dashboard-grid{
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.dashboard-inline-form{
  margin-top: 14px;
}

.dashboard-inline-form .btn{
  margin-top: 10px;
}

.dashboard-list{
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.dashboard-list-item{
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  padding: 10px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--surface-2);
}

.dashboard-list-item .btn{
  padding: 8px 12px;
  font-size: 12px;
}

.dashboard-stats{
  margin: 14px 0;
  display: grid;
  gap: 10px;
}

.dashboard-stats > div{
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--surface-2);
}

.dashboard-stat-label{
  display: block;
  color: var(--muted);
  font-size: 12px;
}

.dashboard-stat-value{
  display: block;
  margin-top: 4px;
  font-size: 16px;
  font-weight: 650;
}

@media (max-width: 980px){
  .dashboard-grid{
    grid-template-columns: 1fr;
  }
}