/* ======================================================================
   File: /public.html/css/skilldeck.css
   Project: SkillDeck (Hostinger-friendly, static-first)
   Notes:
   - Futuristic premium + neon red/purple accents
   - Apple-like liquid glass floating header
   - Strict grid alignment + consistent spacing scale
   - No external deps (except Google Fonts linked in HTML)
   ====================================================================== */

/* ===================== CSS VARIABLES ===================== */
:root{
  /* Typography */
  --font-sans: "Inter", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  --font-display: "Space Grotesk", var(--font-sans);

  /* Layout */
  --container: 1280px;
  --gutter: 24px;

  /* Spacing scale (8pt-ish) */
  --s-1: 8px;
  --s-2: 12px;
  --s-3: 16px;
  --s-4: 24px;
  --s-5: 32px;
  --s-6: 48px;
  --s-7: 64px;

  /* Radii */
  --r-1: 14px;
  --r-2: 20px;
  --r-3: 28px;
  --r-pill: 999px;

  /* Colors */
  --bg-0: #050611;
  --bg-1: #070923;
  --ink: rgba(245, 247, 255, .92);
  --muted: rgba(245, 247, 255, .70);
  --muted-2: rgba(245, 247, 255, .55);

  /* Accents */
  --neon-red: #ff2d55;
  --neon-purple: #a855f7;
  --ice: rgba(140, 220, 255, .35);

  /* Glass */
  --glass: rgba(255,255,255,.08);
  --glass-2: rgba(255,255,255,.12);
  --border: rgba(255,255,255,.16);
  --border-2: rgba(255,255,255,.10);
  --shadow: 0 24px 80px rgba(0,0,0,.45);
  --shadow-2: 0 14px 42px rgba(0,0,0,.35);

  /* Focus */
  --focus: 0 0 0 3px rgba(168, 85, 247, .28), 0 0 0 6px rgba(255, 45, 85, .18);

  /* Motion */
  --ease: cubic-bezier(.2,.8,.2,1);
  --dur: 240ms;

  color-scheme: dark;
}

/* ===================== BASE / RESET ===================== */
*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family: var(--font-sans);
  background: radial-gradient(1200px 800px at 20% 10%, rgba(168,85,247,.18), transparent 55%),
              radial-gradient(1100px 700px at 85% 15%, rgba(255,45,85,.16), transparent 58%),
              linear-gradient(180deg, var(--bg-0), var(--bg-1));
  color: var(--ink);
  line-height: 1.5;
  overflow-x:hidden;
}
img, video{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
p{ margin:0; color: var(--muted); }
h1,h2,h3{ margin:0; letter-spacing: -0.02em; }
h1{
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.05;
}
h2{
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.015em;
}
h3{
  font-family: var(--font-display);
  font-weight: 600;
}
:focus-visible{
  outline: none;
  box-shadow: var(--focus);
  border-radius: 10px;
}

/* ===================== UTILITIES ===================== */
.container{
  width: min(var(--container), calc(100% - (var(--gutter) * 2)));
  margin-inline:auto;
}
.section-header{
  margin-bottom: var(--s-5);
  display:grid;
  gap: var(--s-2);
  max-width: 820px;
}
.section-header p{ color: var(--muted); }

.gradient-accent{
  background: linear-gradient(90deg, var(--neon-purple), var(--neon-red));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.glass-header,
.glass-card,
.glass-btn{
  background: linear-gradient(180deg, rgba(255,255,255,.10), rgba(255,255,255,.06));
  border: 1px solid var(--border);
  box-shadow: var(--shadow-2);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.glass-card{
  border-color: rgba(255,255,255,.14);
  background: linear-gradient(180deg, rgba(255,255,255,.09), rgba(255,255,255,.05));
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: var(--r-pill);
  font-weight: 600;
  letter-spacing: .01em;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
  user-select:none;
  white-space:nowrap;
}

.btn-primary{
  border: 1px solid rgba(255,45,85,.35);
  box-shadow:
    0 0 0 1px rgba(255,45,85,.10) inset,
    0 18px 50px rgba(255,45,85,.15);
}
.btn-primary:hover{
  transform: translateY(-1px);
  box-shadow:
    0 0 0 1px rgba(255,45,85,.18) inset,
    0 22px 70px rgba(255,45,85,.20),
    0 0 44px rgba(168,85,247,.12);
}
.btn-secondary{
  border: 1px solid rgba(168,85,247,.30);
  box-shadow:
    0 0 0 1px rgba(168,85,247,.10) inset,
    0 18px 50px rgba(168,85,247,.12);
}
.btn-secondary:hover{
  transform: translateY(-1px);
  box-shadow:
    0 0 0 1px rgba(168,85,247,.18) inset,
    0 22px 70px rgba(168,85,247,.18),
    0 0 44px rgba(255,45,85,.12);
}

/* ===================== HEADER ===================== */
.sd-header{
  position: fixed;
  top: 18px;
  left: 0;
  right: 0;
  z-index: 50;
  pointer-events: none;
}

.header-inner{
  pointer-events: auto;
  width: min(var(--container), calc(100% - (var(--gutter) * 2)));
  margin-inline: auto;

  height: 56px;
  padding: 0 18px;

  display: flex;
  align-items: center;

  border-radius: var(--r-pill);
  position: relative;

  /* ✅ IMPORTANT: allow dropdown to escape */
  overflow: visible;
  isolation: isolate;

  background: transparent;
  border: 1px solid rgba(255,255,255,.18);
}

/* ===================== GLASS LAYER (CLIPPED HERE ONLY) ===================== */
.header-inner::before{
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;

  /* 🔒 CLIP GLASS, NOT CONTENT */
  overflow: hidden;

  background:
    radial-gradient(120px 60px at 22% 20%, rgba(255,255,255,.18), transparent 60%),
    radial-gradient(180px 80px at 82% 0%, rgba(255,255,255,.12), transparent 60%),
    linear-gradient(180deg, rgba(255,255,255,.14), rgba(255,255,255,.06));

  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);

  box-shadow:
    inset 0 0 0 1px rgba(255,255,255,.08),
    0 12px 32px rgba(0,0,0,.35);

  z-index: -1;
}

/* content above glass */
.header-inner > *{
  position: relative;
  z-index: 1;
}

/* ===================== LEFT: LOGO ===================== */
.logo-area{
  display: flex;
  align-items: center;
  height: 100%;
}

.logo{
  height: 28px;
  width: auto;
  display: block;
  filter: drop-shadow(0 4px 10px rgba(0,0,0,.35));
}

/* ===================== RIGHT: BURGER ===================== */
.menu-toggle{
  margin-left: auto;

  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,.18);
  background: rgba(255,255,255,.06);

  display: grid;
  place-items: center;
  gap: 4px;
  padding: 0;
  cursor: pointer;

  transition:
    transform var(--dur) var(--ease),
    border-color var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease);
}

.menu-toggle span{
  width: 16px;
  height: 2px;
  border-radius: 2px;
  background: rgba(245,247,255,.9);
}

.menu-toggle:hover{
  transform: translateY(-1px);
  border-color: rgba(168,85,247,.45);
  box-shadow:
    0 0 18px rgba(168,85,247,.25),
    0 0 14px rgba(255,45,85,.18);
}

/* ===================== DROPDOWN (FLOATING, NOT CLIPPED) ===================== */
.menu-dropdown{
  position: absolute;
  top: calc(100% + 12px);
  right: 12px;

  width: 240px;
  padding: 10px;
  border-radius: 18px;

  display: none;

  background:
    radial-gradient(220px 90px at 30% 0%, rgba(168,85,247,.18), transparent 60%),
    radial-gradient(220px 90px at 90% 10%, rgba(255,45,85,.16), transparent 60%),
    linear-gradient(180deg, rgba(255,255,255,.10), rgba(255,255,255,.06));

  border: 1px solid rgba(255,255,255,.16);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: var(--shadow-2);

  /* ABOVE HEADER */
  z-index: 100;
}

.menu-dropdown[aria-hidden="false"]{
  display: block;
}

.menu-dropdown ul{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
}

.menu-dropdown a{
  padding: 10px 12px;
  border-radius: 14px;
  display: block;
  color: rgba(245,247,255,.9);
  background: rgba(255,255,255,.05);
  transition: background var(--dur) var(--ease);
}

.menu-dropdown a:hover{
  background: rgba(255,255,255,.08);
}

/* ===================== HERO ===================== */
.sd-hero{
  position: relative;
  padding-top: 96px;
  isolation: isolate;
}

.hero-video{
  width: 100%;
  height: clamp(360px, 55vh, 580px);
  object-fit: cover;
  border-bottom: 1px solid rgba(255,255,255,.10);
  filter: saturate(1.05) contrast(1.05);
}

.hero-overlay{
  position: absolute;
  inset: 0;

  background:
    linear-gradient(
      180deg,
      rgba(5,6,17,.35) 0%,
      rgba(5,6,17,.72) 55%,
      rgba(5,6,17,.92) 100%
    ),
    radial-gradient(900px 380px at 30% 30%, rgba(168,85,247,.18), transparent 60%),
    radial-gradient(900px 380px at 85% 40%, rgba(255,45,85,.16), transparent 62%);

  z-index: 2;
}


/* ===================== SYSTEMS ===================== */
.sd-systems{
  padding: var(--s-7) 0;
}
.systems-grid{
  display:grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 18px;
}

.system-card{
  grid-column: span 6;
  padding: 22px;
  border-radius: var(--r-3);
  position: relative;
  overflow:hidden;
  min-height: 260px;
  display:grid;
  gap: 10px;
  align-content:start;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

/* Neon hover edge */
.system-card::before{
  content:"";
  position:absolute;
  inset:-2px;
  background: linear-gradient(90deg, rgba(168,85,247,.0), rgba(168,85,247,.35), rgba(255,45,85,.35), rgba(255,45,85,.0));
  opacity: 0;
  filter: blur(10px);
  transition: opacity var(--dur) var(--ease);
  pointer-events:none;
}
.system-card::after{
  content:"";
  position:absolute;
  inset:0;
  background: radial-gradient(600px 200px at 20% 0%, rgba(168,85,247,.14), transparent 60%),
              radial-gradient(600px 200px at 85% 20%, rgba(255,45,85,.12), transparent 60%);
  opacity: .7;
  pointer-events:none;
}

.system-card > *{ position: relative; z-index: 1; }

.system-card h3{
  font-size: 20px;
  line-height: 1.2;
  color: rgba(245,247,255,.94);
}
.system-card h3 span{
  color: rgba(245,247,255,.70);
  font-weight: 500;
  letter-spacing: 0;
}
.positioning{
  color: rgba(245,247,255,.78);
  font-weight: 600;
}
.summary{
  color: rgba(245,247,255,.68);
}
.outcome{
  color: rgba(245,247,255,.78);
  margin-top: 2px;
}
.outcome em{
  color: rgba(245,247,255,.62);
  font-style: normal;
  display:inline-block;
  margin-top: 6px;
}

/* CTA pinned to bottom for perfect alignment */
.card-cta{
  margin-top: auto;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding: 10px 14px;
  border-radius: var(--r-pill);
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.06);
  width: fit-content;
  font-weight: 700;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease), background var(--dur) var(--ease);
}
.card-cta:hover{
  transform: translateY(-1px);
  border-color: rgba(255,45,85,.25);
  box-shadow: 0 0 40px rgba(255,45,85,.12), 0 0 46px rgba(168,85,247,.10);
  background: rgba(255,255,255,.07);
}

.system-card:hover{
  transform: translateY(-2px);
  border-color: rgba(255,255,255,.20);
  box-shadow: 0 26px 80px rgba(0,0,0,.50), 0 0 55px rgba(168,85,247,.08), 0 0 55px rgba(255,45,85,.08);
}
.system-card:hover::before{ opacity: 1; }

/* ===================== INTAKE ===================== */
.sd-intake{
  padding: var(--s-7) 0;
  border-top: 1px solid rgba(255,255,255,.08);
  border-bottom: 1px solid rgba(255,255,255,.08);
  background: radial-gradient(900px 360px at 20% 10%, rgba(168,85,247,.10), transparent 60%),
              radial-gradient(900px 360px at 85% 40%, rgba(255,45,85,.10), transparent 60%);
}
.sd-intake h2{
  font-size: clamp(26px, 2.2vw, 34px);
}
.sd-intake p{
  margin-top: 8px;
  max-width: 70ch;
}

.intake-form{
  margin-top: var(--s-5);
  display:grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 12px;
  padding: 16px;
  border-radius: var(--r-3);
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.12);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-2);
}

.intake-form input{
  grid-column: span 6;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(5, 6, 17, .55);
  color: rgba(245,247,255,.92);
  font-family: var(--font-sans);
  font-size: 15px;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.intake-form input::placeholder{ color: rgba(245,247,255,.45); }
.intake-form input:focus{
  outline:none;
  border-color: rgba(168,85,247,.35);
  box-shadow: 0 0 0 3px rgba(168,85,247,.16);
}

.intake-form button{
  grid-column: span 12;
  justify-self: start;
}

/* ===================== FAQ ===================== */
.sd-faq{
  padding: var(--s-7) 0;
}
.sd-faq h2{
  font-size: clamp(26px, 2.2vw, 34px);
  margin-bottom: var(--s-4);
}
.faq-list{
  display:grid;
  gap: 12px;
  max-width: 980px;
}
.faq-list details{
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.05);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-2);
  overflow:hidden;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.faq-list details[open]{ border-color: rgba(168,85,247,.22); }
.faq-list summary{
  cursor:pointer;
  padding: 14px 16px;
  font-weight: 700;
  color: rgba(245,247,255,.90);
  list-style:none;
  outline:none;
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 16px;
}
.faq-list summary::-webkit-details-marker{ display:none; }
.faq-list summary::after{
  content:"+";
  font-size: 18px;
  color: rgba(245,247,255,.70);
}
.faq-list details[open] summary::after{ content:"–"; }
.faq-list details p{
  padding: 0 16px 16px 16px;
  color: rgba(245,247,255,.70);
  margin:0;
}

/* ===================== FOOTER ===================== */
.sd-footer{
  padding: 34px 0 46px 0;
  border-top: 1px solid rgba(255,255,255,.08);
}
.footer-inner{
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.sd-footer p{
  color: rgba(245,247,255,.62);
}
.sd-footer nav{
  display:flex;
  gap: 14px;
}
.sd-footer nav a{
  color: rgba(245,247,255,.70);
  padding: 8px 10px;
  border-radius: 12px;
  border: 1px solid transparent;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.sd-footer nav a:hover{
  border-color: rgba(255,255,255,.14);
  background: rgba(255,255,255,.05);
}

/* ===================== RESPONSIVE ===================== */
@media (max-width: 980px){
  .system-card{ grid-column: span 12; }
}

@media (max-width: 720px){
  :root{ --gutter: 18px; }

  .sd-header{ top: 12px; }
  .logo{ height: 30px; }

  .hero-content{
    gap: 12px;
  }

  .intake-form input{ grid-column: span 12; }
  .footer-inner{ justify-content: center; text-align:center; }
}

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