/* ─────────────────────────────────────────────────────────────
   SONZAI — Shared Brand Stylesheet
   proposals.sonz.ai
   ───────────────────────────────────────────────────────────── */

/* Fonts */
@font-face {
  font-family: 'Benzin';
  src: url('/fonts/Benzin-ExtraBold.ttf') format('truetype');
  font-weight: 800;
  font-display: swap;
}
@font-face {
  font-family: 'NeueRegrade';
  src: url('/fonts/Neue-Regrade-Regular.otf') format('opentype');
  font-weight: 400;
  font-display: swap;
}

/* Tokens */
:root {
  --sz-bg:           #080808;
  --sz-surface:      rgba(255, 255, 255, 0.04);
  --sz-surface-md:   rgba(255, 255, 255, 0.07);
  --sz-border:       rgba(255, 255, 255, 0.08);
  --sz-border-hover: rgba(255, 255, 255, 0.16);

  --sz-accent:       #FF3D00;
  --sz-accent-dim:   rgba(255, 61, 0, 0.15);
  --sz-accent-hover: #ff4d1a;

  --sz-text:         #ffffff;
  --sz-text-md:      rgba(255, 255, 255, 0.75);
  --sz-text-muted:   rgba(255, 255, 255, 0.4);
  --sz-text-dim:     rgba(255, 255, 255, 0.2);

  --sz-error:        #ff6b6b;

  /* Memory layer palette */
  --layer-identity:    #FF3D00;
  --layer-personality: #FF6D00;
  --layer-affect:      #FFab00;
  --layer-relation:    #00BFA5;
  --layer-convo:       #7C4DFF;
  --layer-world:       #448AFF;
  --layer-goals:       #E91E63;

  --sz-font-head: 'Benzin', sans-serif;
  --sz-font-body: 'NeueRegrade', -apple-system, BlinkMacSystemFont, sans-serif;
  --sz-font-mono: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;

  --sz-radius-sm:  8px;
  --sz-radius-md:  12px;
  --sz-radius-lg:  20px;
}

/* Reset */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--sz-bg);
  color: var(--sz-text);
  font-family: var(--sz-font-body);
  font-size: 1rem;
  line-height: 1.6;
}

/* ── Engine background (used on portal/auth pages) ─────────── */
.sz-engine-bg {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
}

/* Dot grid */
.sz-engine-bg::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: radial-gradient(circle, rgba(255,255,255,0.07) 1px, transparent 1px);
  background-size: 36px 36px;
  z-index: 0;
  pointer-events: none;
}

/* Orange radial glow */
.sz-engine-bg::after {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 60% at 50% 50%, rgba(255,61,0,0.07) 0%, transparent 65%),
    radial-gradient(ellipse 100% 100% at 50% 100%, rgba(255,61,0,0.03) 0%, transparent 60%);
  z-index: 0;
  pointer-events: none;
}

/* Noise grain */
.sz-noise::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
  opacity: 0.03;
  z-index: 1;
  pointer-events: none;
}

/* ── Wordmark ───────────────────────────────────────────────── */
.sz-wordmark {
  font-family: var(--sz-font-head);
  font-weight: 800;
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--sz-text-dim);
  user-select: none;
}

/* ── Cards ──────────────────────────────────────────────────── */
.sz-card {
  background: var(--sz-surface);
  border: 1px solid var(--sz-border);
  border-radius: var(--sz-radius-lg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

/* ── Buttons ────────────────────────────────────────────────── */
.sz-btn-primary {
  display: inline-block;
  width: 100%;
  background: var(--sz-accent);
  color: #fff;
  border: none;
  border-radius: var(--sz-radius-sm);
  padding: 0.82rem 1rem;
  font-family: var(--sz-font-head);
  font-weight: 800;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
  text-align: center;
  text-decoration: none;
  overflow: hidden;
  position: relative;
}
.sz-btn-primary:hover { background: var(--sz-accent-hover); }
.sz-btn-primary:active { transform: scale(0.99); }

/* Shine sweep */
.sz-btn-primary::after {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 60%; height: 100%;
  background: linear-gradient(120deg, transparent, rgba(255,255,255,0.15), transparent);
  transition: left 0.45s;
}
.sz-btn-primary:hover::after { left: 160%; }

/* ── Inputs ─────────────────────────────────────────────────── */
.sz-input {
  width: 100%;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--sz-border);
  border-radius: var(--sz-radius-sm);
  padding: 0.8rem 1rem;
  color: var(--sz-text);
  font-family: var(--sz-font-body);
  font-size: 1rem;
  outline: none;
  transition: border-color 0.2s;
}
.sz-input:focus { border-color: rgba(255, 61, 0, 0.5); }
.sz-input::placeholder { color: var(--sz-text-dim); }

/* ── Labels ─────────────────────────────────────────────────── */
.sz-label {
  display: block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--sz-text-muted);
  margin-bottom: 0.45rem;
}

/* ── Typography helpers ─────────────────────────────────────── */
.sz-heading {
  font-family: var(--sz-font-head);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--sz-text);
}

.sz-body { color: var(--sz-text-md); line-height: 1.7; }
.sz-muted { color: var(--sz-text-muted); }

/* ── Layer dots (decorative) ────────────────────────────────── */
.sz-layers {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.sz-layer-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  opacity: 0.6;
  animation: sz-pulse 3s ease-in-out infinite;
}
@keyframes sz-pulse {
  0%, 100% { opacity: 0.4; transform: scale(1); }
  50%       { opacity: 0.9; transform: scale(1.25); }
}

/* Stagger layer animations */
.sz-layer-dot:nth-child(1) { background: var(--layer-identity);    animation-delay: 0s;    }
.sz-layer-dot:nth-child(2) { background: var(--layer-personality); animation-delay: 0.4s;  }
.sz-layer-dot:nth-child(3) { background: var(--layer-affect);      animation-delay: 0.8s;  }
.sz-layer-dot:nth-child(4) { background: var(--layer-relation);    animation-delay: 1.2s;  }
.sz-layer-dot:nth-child(5) { background: var(--layer-convo);       animation-delay: 1.6s;  }
.sz-layer-dot:nth-child(6) { background: var(--layer-world);       animation-delay: 2.0s;  }
.sz-layer-dot:nth-child(7) { background: var(--layer-goals);       animation-delay: 2.4s;  }