/* ============================================================
   Digital Space X — Base tokens, type, nav, buttons, footer
   ============================================================ */

:root{
  /* Brand gradient (sampled from logo): magenta → purple → indigo → blue */
  --pink:    #C0166E;
  --magenta: #B81C6B;
  --purple:  #6E2080;
  --indigo:  #34267E;
  --blue:    #2E54B0;
  --blue-2:  #3A6FD8;

  --grad: linear-gradient(100deg, #C0166E 0%, #7A1E78 38%, #34267E 64%, #2E54B0 100%);
  --grad-soft: linear-gradient(120deg, rgba(192,22,110,.10), rgba(46,84,176,.10));

  /* Ink / neutrals */
  --ink:      #16123A;   /* headings */
  --ink-soft: #4B4670;   /* body copy */
  --ink-mute: #8B87A6;   /* captions */
  --line:     #ECE9F3;   /* hairlines */
  --line-2:   #E1DCEC;
  --bg:       #FFFFFF;
  --bg-alt:   #FAF8FD;
  --bg-tint:  #F6F2FB;

  /* Type */
  --font-head: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'DM Sans', system-ui, sans-serif;

  --maxw: 1240px;
  --pad: clamp(20px, 5vw, 64px);
  --radius: 22px;
  --radius-lg: 30px;

  --shadow-sm: 0 2px 10px rgba(22,18,58,.05);
  --shadow:    0 18px 50px -22px rgba(52,38,126,.30);
  --shadow-lg: 0 40px 90px -40px rgba(52,38,126,.45);

  --ease: cubic-bezier(.22,1,.36,1);
}

*{ box-sizing:border-box; margin:0; padding:0; }
html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
body{
  font-family:var(--font-body);
  color:var(--ink-soft);
  background:var(--bg);
  line-height:1.6;
  font-size:17px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
::selection{ background:rgba(192,22,110,.18); }

h1,h2,h3,h4{ font-family:var(--font-head); color:var(--ink); line-height:1.04; font-weight:700; letter-spacing:-.02em; }

/* ---- gradient text helper ---- */
.grad-text{
  background:var(--grad);
  -webkit-background-clip:text; background-clip:text;
  -webkit-text-fill-color:transparent; color:transparent;
}

/* ---- layout ---- */
.wrap{ max-width:var(--maxw); margin:0 auto; padding-inline:var(--pad); }
section{ position:relative; }
.eyebrow{
  font-family:var(--font-head); font-weight:600; font-size:.82rem;
  letter-spacing:.18em; text-transform:uppercase; color:var(--magenta);
  display:inline-flex; align-items:center; gap:.6em;
}
.eyebrow::before{ content:""; width:26px; height:2px; background:var(--grad); border-radius:2px; }
.section-pad{ padding-block:clamp(64px,9vw,128px); }

/* ---- buttons ---- */
.btn{
  --b:18px;
  display:inline-flex; align-items:center; gap:.6em;
  font-family:var(--font-head); font-weight:600; font-size:1rem;
  padding:16px 26px; border-radius:999px; cursor:pointer; border:0;
  transition:transform .35s var(--ease), box-shadow .35s var(--ease), background .3s;
  white-space:nowrap;
}
.btn-primary{ background:var(--grad); color:#fff; box-shadow:0 14px 34px -14px rgba(192,22,110,.65); background-size:140% 140%; }
.btn-primary:hover{ transform:translateY(-3px); box-shadow:0 22px 44px -16px rgba(192,22,110,.7); background-position:100% 0; }
.btn-ghost{ background:#fff; color:var(--ink); border:1.5px solid var(--line-2); }
.btn-ghost:hover{ border-color:var(--magenta); color:var(--magenta); transform:translateY(-3px); }
.btn-arrow{ transition:transform .35s var(--ease); }
.btn:hover .btn-arrow{ transform:translateX(4px); }

/* ============================ NAV ============================ */
.nav{
  position:fixed; inset:0 0 auto 0; z-index:80;
  transition:background .4s, box-shadow .4s, padding .4s;
  padding-block:18px;
}
.nav.scrolled{ background:rgba(255,255,255,.82); backdrop-filter:blur(16px); box-shadow:0 1px 0 var(--line); padding-block:10px; }
.nav-inner{ display:flex; align-items:center; justify-content:space-between; gap:24px; }
.nav-logo{ height:30px; width:auto; transition:height .4s; }
.nav.scrolled .nav-logo{ height:26px; }
.nav-links{ display:flex; align-items:center; gap:34px; list-style:none; }
.nav-links a{
  font-family:var(--font-head); font-weight:500; font-size:.96rem; color:var(--ink);
  position:relative; padding-block:4px;
}
.nav-links a::after{ content:""; position:absolute; left:0; bottom:0; width:0; height:2px; background:var(--grad); border-radius:2px; transition:width .3s var(--ease); }
.nav-links a:hover::after{ width:100%; }
.nav-cta{ display:flex; align-items:center; gap:14px; }
.nav-toggle{ display:none; flex-direction:column; gap:5px; background:none; border:0; cursor:pointer; padding:8px; }
.nav-toggle span{ width:24px; height:2px; background:var(--ink); border-radius:2px; transition:.3s; }

@media (max-width:920px){
  .nav-links{
    position:fixed; inset:0 0 0 auto; width:min(78vw,340px);
    flex-direction:column; align-items:flex-start; justify-content:center; gap:26px;
    background:#fff; padding:40px; transform:translateX(100%); transition:transform .45s var(--ease);
    box-shadow:-30px 0 80px -40px rgba(52,38,126,.5);
  }
  .nav-links.open{ transform:translateX(0); }
  .nav-links a{ font-size:1.4rem; }
  .nav-toggle{ display:flex; z-index:90; }
  .nav.menu-open .nav-toggle span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
  .nav.menu-open .nav-toggle span:nth-child(2){ opacity:0; }
  .nav.menu-open .nav-toggle span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }
  .nav-cta .btn{ display:none; }
}

/* ============================ FOOTER ============================ */
.footer{ background:#0E0B26; color:#C9C5E0; padding-block:64px 32px; }
.footer a{ transition:color .25s; }
.footer a:hover{ color:#fff; }
.footer-top{ display:grid; grid-template-columns:1.6fr 1fr 1fr 1fr; gap:40px; padding-bottom:48px; border-bottom:1px solid rgba(255,255,255,.1); }
.footer-logo{ height:30px; margin-bottom:18px; filter:brightness(0) invert(1); }
.footer h5{ font-family:var(--font-head); color:#fff; font-size:.82rem; letter-spacing:.16em; text-transform:uppercase; margin-bottom:18px; font-weight:600; }
.footer ul{ list-style:none; display:flex; flex-direction:column; gap:12px; font-size:.95rem; }
.footer-bottom{ display:flex; justify-content:space-between; align-items:center; gap:20px; padding-top:26px; font-size:.85rem; color:var(--ink-mute); flex-wrap:wrap; }
.footer-bottom .grad-text{ font-family:var(--font-head); }
@media (max-width:820px){ .footer-top{ grid-template-columns:1fr 1fr; } }
@media (max-width:520px){ .footer-top{ grid-template-columns:1fr; gap:30px; } }

/* ============================ REVEAL ANIM ============================ */
.reveal{ opacity:0; transform:translateY(30px); transition:opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.in{ opacity:1; transform:none; }
.reveal[data-d="1"]{ transition-delay:.08s; }
.reveal[data-d="2"]{ transition-delay:.16s; }
.reveal[data-d="3"]{ transition-delay:.24s; }
.reveal[data-d="4"]{ transition-delay:.32s; }
.reveal[data-d="5"]{ transition-delay:.40s; }
@media (prefers-reduced-motion:reduce){
  .reveal{ opacity:1; transform:none; transition:none; }
  html{ scroll-behavior:auto; }
}
@media print{
  .reveal{ opacity:1 !important; transform:none !important; }
}