/* ==========================================================================
   Zumti web brand — tokens + components
   Same visual language as the Zumti deck and promo film: deep violet night,
   neon accents, Fredoka headlines, DM Sans text, real app screens in frames.
   Dark only: Zumti has no light theme.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:opsz,wght@9..40,400;9..40,500;9..40,700&family=Fredoka:wght@600;700&display=swap');

:root {
  /* --- background & surfaces --- */
  --z-bg: #0a0416;                       /* page background */
  --z-bg-deep: #1b0b3d;                  /* bottom of the page gradient */
  --z-surface: rgba(24, 12, 54, .72);    /* cards, chips, nav */
  --z-surface-solid: #180c36;            /* same, when transparency is not possible */
  --z-border: rgba(255, 255, 255, .16);

  /* --- text --- */
  --z-text: #ffffff;
  --z-text-2: rgba(255, 255, 255, .74);  /* paragraphs */
  --z-text-3: rgba(255, 255, 255, .55);  /* captions, footer (min. for readable text) */

  /* --- accents (all readable as text on --z-bg) --- */
  --z-pink: #ff4fd8;    /* main accent */
  --z-cyan: #38e1ff;    /* eyebrow labels, links */
  --z-gold: #ffd166;    /* tokens, prices, rewards */
  --z-violet: #a78bfa;  /* glow, secondary accent */
  --z-green: #5eead4;   /* success, online */
  --z-orange: #ffa62b;  /* new, hot */

  /* --- gradients --- */
  --z-grad-pink: linear-gradient(92deg, #fff 0%, #f6c8ff 38%, #ff7ae3 70%, #9b7bff 100%);
  --z-grad-cool: linear-gradient(92deg, #fff 0%, #b9f3ff 45%, #38e1ff 100%);
  --z-grad-gold: linear-gradient(92deg, #fff6d6 0%, #ffd166 50%, #ffa62b 100%);
  --z-grad-button: linear-gradient(135deg, #c42fb4 0%, #7c4dff 100%);  /* white text passes 4.5:1 */
  --z-grad-page: radial-gradient(120% 90% at 50% 110%, var(--z-bg-deep) 0%, var(--z-bg) 62%);

  /* --- type --- */
  --z-font-display: 'Fredoka', 'Segoe UI', system-ui, sans-serif;
  --z-font-body: 'DM Sans', 'Segoe UI', system-ui, sans-serif;
  --z-fs-h1: clamp(42px, 5.6vw, 80px);
  --z-fs-h2: clamp(34px, 4.4vw, 64px);
  --z-fs-h3: clamp(22px, 2vw, 28px);
  --z-fs-lead: clamp(18px, 1.6vw, 22px);
  --z-fs-body: 17px;
  --z-fs-small: 14px;

  /* --- shape, space, depth, motion --- */
  --z-radius-s: 12px;
  --z-radius-m: 20px;
  --z-radius-l: 28px;
  --z-radius-pill: 999px;
  --z-space: 8px;                        /* every gap is a multiple of 8 */
  --z-max: 1200px;                       /* content width */
  --z-shadow: 0 24px 60px rgba(0, 0, 0, .45);
  --z-glow: 0 0 90px rgba(139, 92, 246, .35);
  --z-glow-pink: 0 10px 40px rgba(255, 79, 216, .35);
  --z-ease: cubic-bezier(.2, .8, .2, 1);
  --z-fast: 180ms;
}

/* --- page ------------------------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; min-height: 100vh; overflow-x: hidden;
  background: var(--z-bg) var(--z-grad-page) fixed;
  color: var(--z-text); font: 400 var(--z-fs-body)/1.6 var(--z-font-body);
  -webkit-font-smoothing: antialiased;
}
/* soft neon glow behind everything */
body::before {
  content: ''; position: fixed; inset: -10%; z-index: -1; pointer-events: none; filter: blur(70px); opacity: .8;
  background:
    radial-gradient(40% 40% at 15% 20%, rgba(139, 92, 246, .45), transparent 70%),
    radial-gradient(38% 42% at 85% 55%, rgba(255, 79, 216, .32), transparent 70%),
    radial-gradient(34% 36% at 50% 100%, rgba(56, 225, 255, .22), transparent 70%);
}
img { max-width: 100%; display: block; }
a { color: var(--z-cyan); text-decoration: none; }
a:hover { text-decoration: underline; }
:focus-visible { outline: 3px solid var(--z-cyan); outline-offset: 3px; border-radius: 6px; }

.z-container { width: 100%; max-width: var(--z-max); margin: 0 auto; padding: 0 calc(var(--z-space) * 3); }
.z-section { padding: calc(var(--z-space) * 15) 0; }
@media (max-width: 720px) { .z-section { padding: calc(var(--z-space) * 9) 0; } .z-container { padding: 0 calc(var(--z-space) * 2); } }

/* --- type ------------------------------------------------------------------ */
.z-eyebrow { display: inline-block; font: 700 var(--z-fs-small)/1 var(--z-font-body); letter-spacing: .24em; text-transform: uppercase; color: var(--z-cyan); }
.z-h1 { margin: 0; font: 700 var(--z-fs-h1)/1.02 var(--z-font-display); letter-spacing: -.012em; }
.z-h2 { margin: 0; font: 700 var(--z-fs-h2)/1.06 var(--z-font-display); letter-spacing: -.008em; }
.z-h3 { margin: 0; font: 700 var(--z-fs-h3)/1.2 var(--z-font-display); }
.z-lead { margin: 0; font: 500 var(--z-fs-lead)/1.5 var(--z-font-body); color: var(--z-text-2); max-width: 36em; }
.z-muted { color: var(--z-text-2); }
/* one coloured word per headline */
.z-grad, .z-grad-cool, .z-grad-gold { -webkit-background-clip: text; background-clip: text; color: transparent; }
.z-grad { background-image: var(--z-grad-pink); }
.z-grad-cool { background-image: var(--z-grad-cool); }
.z-grad-gold { background-image: var(--z-grad-gold); }

/* --- buttons ---------------------------------------------------------------- */
.z-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--z-space);
  min-height: 48px; padding: 0 calc(var(--z-space) * 3); border-radius: var(--z-radius-pill); border: 0; cursor: pointer;
  font: 700 16px/1 var(--z-font-body); color: var(--z-text); text-decoration: none; white-space: nowrap;
  transition: transform var(--z-fast) var(--z-ease), box-shadow var(--z-fast) var(--z-ease), background-color var(--z-fast);
}
.z-btn:hover { text-decoration: none; transform: translateY(-2px); }
.z-btn-primary { background: var(--z-grad-button); box-shadow: var(--z-glow-pink); }
.z-btn-primary:hover { box-shadow: 0 14px 50px rgba(255, 79, 216, .5); }
.z-btn-ghost { background: var(--z-surface); box-shadow: inset 0 0 0 1.5px var(--z-border); }
.z-btn-ghost:hover { box-shadow: inset 0 0 0 1.5px rgba(255, 255, 255, .4); }
.z-btn-gold { background: var(--z-gold); color: var(--z-bg); }        /* light button = dark text */
.z-btn-lg { min-height: 56px; padding: 0 calc(var(--z-space) * 4); font-size: 18px; }

/* --- chips (short points, max 3 in a row of text) --------------------------- */
.z-chips { display: flex; flex-wrap: wrap; gap: calc(var(--z-space) * 1.5); }
.z-chip {
  display: inline-flex; align-items: center; gap: 12px; padding: 12px 20px 12px 16px; border-radius: var(--z-radius-pill);
  background: var(--z-surface); border: 1.5px solid var(--z-border); font: 700 15px/1 var(--z-font-body); white-space: nowrap;
}
.z-chip::before { content: ''; width: 10px; height: 10px; border-radius: 50%; background: var(--dot, var(--z-pink)); box-shadow: 0 0 12px var(--dot, var(--z-pink)); }
.z-chip.pink { --dot: var(--z-pink); } .z-chip.cyan { --dot: var(--z-cyan); } .z-chip.gold { --dot: var(--z-gold); }
.z-chip.violet { --dot: var(--z-violet); } .z-chip.green { --dot: var(--z-green); } .z-chip.orange { --dot: var(--z-orange); }

/* --- cards ------------------------------------------------------------------ */
.z-card {
  background: var(--z-surface); border: 1.5px solid rgba(255, 255, 255, .12); border-radius: var(--z-radius-l);
  padding: calc(var(--z-space) * 4); box-shadow: var(--z-shadow);
  -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
}
.z-card .z-h3 { margin-bottom: var(--z-space); }
.z-card p { margin: 0; color: var(--z-text-2); }
.z-icon {
  width: 48px; height: 48px; border-radius: 14px; display: grid; place-items: center; margin-bottom: calc(var(--z-space) * 2);
  background: rgba(255, 255, 255, .06); color: var(--accent, var(--z-pink)); box-shadow: inset 0 0 0 1.5px currentColor, 0 0 24px -6px currentColor;
}
.z-icon svg { width: 24px; height: 24px; }

/* --- device frames: real app screens always sit in a frame ------------------ */
.z-phone {
  width: var(--w, 280px); padding: 10px; border-radius: 44px; flex: none;
  background: linear-gradient(150deg, #2b2440, #0d0a17 45%, #1c1630);
  box-shadow: 0 0 0 1.5px rgba(255, 255, 255, .14) inset, 0 40px 90px rgba(0, 0, 0, .6), var(--z-glow);
}
.z-phone img { width: 100%; aspect-ratio: 9 / 19.5; object-fit: cover; object-position: top; border-radius: 34px; }
.z-window { border-radius: 16px; overflow: hidden; background: #14101f; box-shadow: 0 0 0 1.5px rgba(255, 255, 255, .12), 0 50px 110px rgba(0, 0, 0, .62), var(--z-glow); }
.z-window-bar { height: 30px; display: flex; align-items: center; gap: 8px; padding-left: 16px; background: linear-gradient(#262036, #1b1628); }
.z-window-bar i { width: 11px; height: 11px; border-radius: 50%; background: #ff5f57; }
.z-window-bar i:nth-child(2) { background: #febc2e; } .z-window-bar i:nth-child(3) { background: #28c840; }
.z-window img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }

/* --- stats ------------------------------------------------------------------ */
.z-stat-num { font: 700 clamp(44px, 5vw, 72px)/1 var(--z-font-display); }
.z-stat-label { margin-top: var(--z-space); font: 700 15px/1.3 var(--z-font-body); color: var(--z-text-2); }

/* --- nav & footer ----------------------------------------------------------- */
.z-nav {
  position: sticky; top: 0; z-index: 10;
  background: rgba(10, 4, 22, .72); border-bottom: 1px solid rgba(255, 255, 255, .08);
  -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px);
}
.z-nav .z-container { display: flex; align-items: center; justify-content: space-between; gap: calc(var(--z-space) * 3); height: 72px; }
.z-nav-logo img { height: 40px; width: auto; }
.z-nav-links { display: flex; gap: calc(var(--z-space) * 4); }
.z-nav-links a { color: var(--z-text-2); font-weight: 700; font-size: 15px; }
.z-nav-links a:hover { color: var(--z-text); text-decoration: none; }
@media (max-width: 860px) { .z-nav-links { display: none; } }
.z-footer { border-top: 1px solid rgba(255, 255, 255, .08); padding: calc(var(--z-space) * 6) 0; color: var(--z-text-3); font-size: var(--z-fs-small); }

@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }