/* Alterora — playful, modern, professional (no frameworks) */

:root{
  --bg: #0b0d10;
  --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,.58);
  --border: rgba(255,255,255,.12);
  --shadow: 0 18px 55px rgba(0,0,0,.35);
  --radius: 18px;

  --accent: #7c5cff;
  --accent-2: #3ee1c6;
  --accent-3: #ffcc66;

  --container: 1120px;
}

*{ box-sizing: border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Apple Color Emoji","Segoe UI Emoji";
  background:
    radial-gradient(1200px 500px at 20% -5%, rgba(124,92,255,.35), transparent 60%),
    radial-gradient(900px 400px at 85% 10%, rgba(62,225,198,.25), transparent 55%),
    radial-gradient(900px 500px at 30% 110%, rgba(255,204,102,.18), transparent 60%),
    var(--bg);
  color: var(--text);
  line-height:1.55;
}

a{ color:inherit; }
.link{ color: rgba(255,255,255,.9); text-decoration-color: rgba(124,92,255,.65); }
.link:hover{ text-decoration-color: rgba(62,225,198,.7); }

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

.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 12px;
  background: rgba(0,0,0,.85);
  border: 1px solid var(--border);
  border-radius: 12px;
  z-index: 10000;
}

/* Header */
.site-header{
  position: sticky;
  top:0;
  z-index: 50;
  background: rgba(11,13,16,.62);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 14px 0;
  gap: 14px;
}

.brand{
  display:flex;
  align-items:center;
  gap: 12px;
  text-decoration:none;
}
.brand-mark{
  width: 42px;
  height: 42px;
  border-radius: 14px;
  display:grid;
  place-items:center;
  font-weight: 800;
  letter-spacing: .02em;
  background:
    radial-gradient(12px 12px at 25% 25%, rgba(255,255,255,.35), transparent 60%),
    linear-gradient(135deg, rgba(124,92,255,1), rgba(62,225,198,1));
  box-shadow: 0 12px 28px rgba(124,92,255,.25);
}
.brand-text strong{ display:block; font-size: 15px; line-height: 1.1; }
.brand-text span{ display:block; font-size: 12px; color: var(--muted); margin-top: 2px; }

/* Nav */
.nav{ display:flex; align-items:center; gap: 10px; }
.nav-link{
  text-decoration:none;
  padding: 10px 12px;
  border-radius: 12px;
  color: var(--muted);
  border: 1px solid transparent;
}
.nav-link:hover{
  color: rgba(255,255,255,.92);
  border-color: rgba(255,255,255,.10);
  background: rgba(255,255,255,.04);
}
.nav-link.active{
  color: rgba(255,255,255,.95);
  border-color: rgba(124,92,255,.35);
  background: rgba(124,92,255,.10);
}
.nav-cta{
  color: rgba(255,255,255,.95);
  border-color: rgba(255,255,255,.12);
  background: rgba(255,255,255,.06);
}

/* Mobile nav toggle */
.nav-toggle{
  display:none;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.05);
  border-radius: 12px;
  padding: 10px;
  cursor:pointer;
}
.nav-toggle-bar{
  display:block;
  width: 22px;
  height: 2px;
  background: rgba(255,255,255,.85);
  margin: 4px 0;
  border-radius: 999px;
}

/* Buttons */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: 14px;
  text-decoration:none;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.06);
  color: rgba(255,255,255,.92);
  box-shadow: 0 10px 28px rgba(0,0,0,.18);
  transition: transform .15s ease, background .15s ease, border-color .15s ease;
}
.btn:hover{ transform: translateY(-1px); border-color: rgba(255,255,255,.20); background: rgba(255,255,255,.08); }
.btn:active{ transform: translateY(0); }

.btn.primary{
  border-color: rgba(124,92,255,.35);
  background: linear-gradient(135deg, rgba(124,92,255,.95), rgba(62,225,198,.70));
  color: #0b0d10;
  font-weight: 700;
}
.btn.ghost{
  background: transparent;
  border-color: rgba(255,255,255,.16);
}

/* Pill */
.pill{
  display:inline-flex;
  align-items:center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.05);
  color: rgba(255,255,255,.86);
  font-size: 13px;
}

/* Sections */
.section{ padding: 64px 0; }
.section-soft{
  background: linear-gradient(180deg, transparent, rgba(255,255,255,.03), transparent);
}
.section-head{
  max-width: 720px;
  margin-bottom: 24px;
}
.section-head h2{ margin: 0 0 10px; font-size: clamp(22px, 3vw, 30px); }
.section-head p{ margin: 0; color: var(--muted); }

.page-hero{ padding: 52px 0 22px; }
.page-hero h1{ margin: 10px 0 12px; font-size: clamp(30px, 4vw, 44px); }
.lead{ max-width: 760px; color: var(--muted); font-size: 17px; }

/* Hero */
.hero{ padding: 72px 0 40px; }
.hero-grid{
  display:grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 32px;
  align-items:center;
}
.hero-copy h1{
  margin: 12px 0 14px;
  font-size: clamp(34px, 4.6vw, 54px);
  line-height: 1.05;
  letter-spacing: -.02em;
}
.accent{
  background: linear-gradient(135deg, rgba(255,255,255,.95), rgba(124,92,255,1));
  -webkit-background-clip:text;
  background-clip:text;
  color: transparent;
}
.hero-actions{ display:flex; gap: 12px; margin-top: 18px; flex-wrap: wrap; }

.hero-stats{
  margin-top: 26px;
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.stat{
  padding: 14px 14px;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.05);
}
.stat-number{ font-weight: 800; letter-spacing: -.01em; }
.stat-label{ color: var(--muted-2); font-size: 12.5px; margin-top: 3px; }

/* Hero art */
.hero-art{ position: relative; min-height: 360px; }
.blob{
  position:absolute;
  border-radius: 999px;
  filter: blur(16px);
  opacity: .9;
  transform: translateZ(0);
  animation: floaty 10s ease-in-out infinite;
}
.blob.b1{
  width: 220px; height: 220px;
  left: 12%; top: 8%;
  background: rgba(124,92,255,.45);
}
.blob.b2{
  width: 260px; height: 260px;
  right: 6%; bottom: 4%;
  background: rgba(62,225,198,.35);
  animation-delay: -2.6s;
}

@keyframes floaty{
  0%,100%{ transform: translateY(0); }
  50%{ transform: translateY(-14px); }
}

.card-3d{
  position:absolute;
  inset: 40px 18px 20px 18px;
  border-radius: 22px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.14);
  box-shadow: var(--shadow);
  overflow:hidden;
  transform: rotate(-1.5deg);
}
.card-3d-header{
  display:flex;
  align-items:center;
  gap: 8px;
  padding: 14px 16px;
  border-bottom: 1px solid rgba(255,255,255,.10);
  background: rgba(0,0,0,.18);
}
.dot{
  width: 10px; height: 10px;
  border-radius: 999px;
  background: rgba(255,255,255,.25);
}
.card-3d-title{ margin-left: 8px; font-size: 13px; color: rgba(255,255,255,.78); }
.card-3d-body{ padding: 16px; }

.mini-line{
  height: 10px;
  border-radius: 999px;
  background: rgba(255,255,255,.10);
  margin-bottom: 10px;
}
.w90{ width: 90%; }
.w85{ width: 85%; }
.w70{ width: 70%; }

.mini-grid{
  margin: 14px 0 10px;
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.mini-tile{
  height: 56px;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.12);
  background:
    radial-gradient(22px 22px at 20% 25%, rgba(124,92,255,.22), transparent 60%),
    rgba(255,255,255,.04);
}

.mini-badge{
  display:inline-flex;
  margin: 6px 8px 0 0;
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.05);
  color: rgba(255,255,255,.86);
  font-size: 12.5px;
}

/* Cards / grids */
.grid-3{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.grid-2{
  display:grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.feature-card, .service-card, .card, .panel{
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.05);
  box-shadow: 0 12px 38px rgba(0,0,0,.22);
}

.feature-card{
  padding: 18px;
}
.feature-card .icon{
  width: 42px; height: 42px;
  border-radius: 14px;
  display:grid;
  place-items:center;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  margin-bottom: 12px;
}
.feature-card h3{ margin: 0 0 6px; }
.feature-card p{ margin: 0; color: var(--muted); }

.service-card{ padding: 18px; }
.service-top{ display:flex; align-items:center; gap: 12px; margin-bottom: 6px; }
.service-top .icon{
  width: 44px; height: 44px;
  border-radius: 16px;
  display:grid;
  place-items:center;
  background:
    radial-gradient(16px 16px at 30% 25%, rgba(255,255,255,.28), transparent 60%),
    rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.12);
}
.service-card h2{ margin: 0; font-size: 18px; }
.service-card p{ color: var(--muted); margin: 10px 0 12px; }

.bullets{
  margin: 0; padding-left: 18px;
  color: rgba(255,255,255,.80);
}
.bullets li{ margin: 6px 0; }

.split{
  display:grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 18px;
  align-items:start;
}
.panel{ padding: 18px; background: rgba(255,255,255,.06); }
.note{
  margin-top: 14px;
  padding: 12px 12px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.18);
}
.muted{ color: var(--muted); }
.tiny{ font-size: 12.5px; color: var(--muted-2); }

/* CTA blocks */
.cta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 16px;
  padding: 22px;
  border-radius: 22px;
  border: 1px solid rgba(255,255,255,.12);
  background:
    radial-gradient(320px 140px at 10% 0%, rgba(124,92,255,.18), transparent 60%),
    radial-gradient(320px 160px at 90% 100%, rgba(62,225,198,.14), transparent 65%),
    rgba(255,255,255,.05);
}
.cta h2{ margin: 0 0 6px; }
.cta p{ margin: 0; color: var(--muted); }

.cta-inline{
  margin-top: 18px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap: 16px;
  padding: 18px;
  border-radius: 22px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.05);
}
.cta-inline h3{ margin: 0 0 6px; }

/* Contact */
.contact-grid{
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 16px;
  align-items:start;
}
.form{ padding: 18px; }
.form-head h2{ margin:0 0 4px; }
.form-head p{ margin:0 0 14px; }

.field{ display:flex; flex-direction:column; gap: 6px; margin-bottom: 12px; }
.field-row{
  display:grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
label{ font-size: 13px; color: rgba(255,255,255,.85); }

input, textarea{
  width:100%;
  padding: 12px 12px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(0,0,0,.22);
  color: rgba(255,255,255,.92);
  outline: none;
}
input:focus, textarea:focus{
  border-color: rgba(124,92,255,.55);
  box-shadow: 0 0 0 4px rgba(124,92,255,.12);
}
.form-actions{
  display:flex;
  align-items:center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 4px;
}
.form-alert{
  margin-top: 12px;
  padding: 12px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.20);
  color: rgba(255,255,255,.88);
}

/* Checklist */
.checklist{
  margin: 0;
  padding: 0;
  list-style:none;
}
.checklist li{
  display:flex;
  gap: 10px;
  align-items:flex-start;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.checklist li:last-child{ border-bottom: 0; }
.check{
  width: 22px; height: 22px;
  border-radius: 8px;
  display:grid;
  place-items:center;
  background: rgba(62,225,198,.14);
  border: 1px solid rgba(62,225,198,.22);
}

/* Footer */
.site-footer{
  padding: 28px 0;
  border-top: 1px solid rgba(255,255,255,.08);
  background: rgba(0,0,0,.16);
}
.footer-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap: 12px;
}
.footer-links{
  display:flex;
  gap: 14px;
}
.footer-links a{
  color: var(--muted);
  text-decoration:none;
}
.footer-links a:hover{ color: rgba(255,255,255,.92); }

/* Reveal animation */
.reveal{
  opacity: 0;
  transform: translateY(10px);
  transition: opacity .5s ease, transform .5s ease;
}
.reveal.is-visible{
  opacity: 1;
  transform: translateY(0);
}

/* Responsive */
@media (max-width: 920px){
  .hero-grid, .split, .contact-grid{ grid-template-columns: 1fr; }
  .hero-art{ min-height: 320px; }
  .hero-stats{ grid-template-columns: 1fr; }
  .grid-3{ grid-template-columns: 1fr; }
  .grid-2{ grid-template-columns: 1fr; }
  .cta, .cta-inline{ flex-direction: column; align-items:flex-start; }
}

@media (max-width: 760px){
  .nav-toggle{ display:inline-flex; }
  .nav{
    position:absolute;
    right: 0;
    top: 64px;
    width: min(340px, calc(100vw - 28px));
    margin-right: 14px;
    padding: 10px;
    border-radius: 18px;
    border: 1px solid rgba(255,255,255,.12);
    background: rgba(11,13,16,.92);
    backdrop-filter: blur(14px);
    display:none;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    box-shadow: var(--shadow);
  }
  .nav.open{ display:flex; }
  .nav-link{ padding: 12px 12px; }
  .field-row{ grid-template-columns: 1fr; }
}