/* ============ Base tokens (overridden inline per-theme by PHP) ============ */
:root {
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --radius: 26px;
  --accent: #5B7FFF;
  --accent-2: #22D3EE;
  --accent-3: #8B5CF6;

  --bg: #07090F;
  --bg-2: #0D1120;
  --surface: rgba(255, 255, 255, 0.065);
  --surface-strong: rgba(255, 255, 255, 0.13);
  --border: rgba(255, 255, 255, 0.16);
  --border-soft: rgba(255, 255, 255, 0.08);
  --text: #F5F6FC;
  --text-dim: #9DA3C4;
  --highlight: rgba(255, 255, 255, 0.4);
  color-scheme: dark;
}

[data-theme="light"] {
  --bg: #EFF1FA;
  --bg-2: #E3E8FA;
  --surface: rgba(255, 255, 255, 0.62);
  --surface-strong: rgba(255, 255, 255, 0.9);
  --border: rgba(25, 33, 75, 0.14);
  --border-soft: rgba(25, 33, 75, 0.07);
  --text: #10142B;
  --text-dim: #5B6280;
  --highlight: rgba(255, 255, 255, 0.85);
  color-scheme: light;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  transition: background 0.4s ease, color 0.4s ease;
  position: relative;
  overflow-x: hidden;
}

/* ============ Grain texture — the "premium" signature layer ============ */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  opacity: 0.05;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
[data-theme="light"] body::after { opacity: 0.03; }

/* ============ Background variants ============ */
#bg-layer { position: fixed; inset: 0; z-index: 0; overflow: hidden; pointer-events: none; }
#ticker-canvas { position: fixed; inset: 0; width: 100%; height: 100%; z-index: 0; opacity: 0.13; pointer-events: none; }
[data-theme="light"] #ticker-canvas { opacity: 0.08; }

[data-bg="aurora"] #bg-layer {
  background:
    radial-gradient(circle at 18% -8%, color-mix(in srgb, var(--accent) 30%, transparent), transparent 46%),
    radial-gradient(circle at 92% 6%, color-mix(in srgb, var(--accent-2) 20%, transparent), transparent 42%),
    radial-gradient(circle at 40% 100%, color-mix(in srgb, var(--accent-3) 16%, transparent), transparent 40%);
}
[data-bg="minimal"] #bg-layer { background: none; }
[data-bg="minimal"] #ticker-canvas { display: none; }

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.35;
  animation: drift 22s ease-in-out infinite alternate;
}
[data-bg="orbs"] #ticker-canvas { display: none; }
[data-bg="orbs"] .orb-1 { width: 340px; height: 340px; top: -80px; left: -60px; background: var(--accent); animation-duration: 26s; }
[data-bg="orbs"] .orb-2 { width: 300px; height: 300px; top: 10%; right: -80px; background: var(--accent-2); animation-duration: 30s; animation-delay: -6s; }
[data-bg="orbs"] .orb-3 { width: 280px; height: 280px; bottom: -60px; left: 20%; background: var(--accent-3); animation-duration: 24s; animation-delay: -12s; }
[data-bg="aurora"] .orb, [data-bg="minimal"] .orb { display: none; }

@keyframes drift {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(40px, 30px) scale(1.12); }
}

.wrap { position: relative; z-index: 1; max-width: 620px; margin: 0 auto; padding: 56px 20px 90px; }

/* ============ Theme toggle ============ */
.theme-toggle {
  position: fixed; top: 18px; right: 18px; z-index: 10;
  width: 54px; height: 32px; border-radius: 30px;
  background: var(--surface-strong);
  border: 1px solid var(--border);
  box-shadow: inset 0 1px 0 var(--highlight), 0 18px 40px -18px rgba(0,0,0,0.55);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  cursor: pointer; display: flex; align-items: center; padding: 3px;
}
.theme-toggle .knob {
  width: 24px; height: 24px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 4px 12px -2px color-mix(in srgb, var(--accent) 60%, transparent);
  display: flex; align-items: center; justify-content: center; font-size: 12px;
  transition: transform 0.35s cubic-bezier(.4,1.6,.4,1);
}
[data-theme="light"] .theme-toggle .knob { transform: translateX(22px); }

/* ============ Profile header ============ */
.profile { text-align: center; margin-bottom: 42px; }
.avatar-ring {
  width: 116px; height: 116px; margin: 0 auto 20px; position: relative;
  border-radius: 50%; padding: 4px;
}
.avatar-ring::before {
  content: ''; position: absolute; inset: 0; border-radius: 50%;
  background: conic-gradient(from 0deg, var(--accent), var(--accent-2), var(--accent-3), var(--accent));
  animation: spin 8s linear infinite;
}
.avatar-ring img {
  position: relative; width: 100%; height: 100%; border-radius: 50%; object-fit: cover; display: block;
  border: 4px solid var(--bg); z-index: 1;
}
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .avatar-ring::before { animation: none; } }

.profile h1 {
  font-family: var(--font-display);
  font-weight: 700; font-size: 2.2rem; letter-spacing: -0.01em; margin: 0 0 10px;
  background: linear-gradient(90deg, var(--text), var(--text) 55%, var(--accent-2));
  -webkit-background-clip: text; background-clip: text;
}
.profile .tagline { color: var(--text-dim); font-size: 0.96rem; line-height: 1.55; max-width: 440px; margin: 0 auto 10px; }
.profile .subtagline {
  display: inline-block; font-family: 'JetBrains Mono', monospace; font-size: 0.7rem;
  letter-spacing: 0.06em; text-transform: uppercase; color: var(--bg);
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  padding: 5px 14px; border-radius: 20px; font-weight: 600;
  box-shadow: 0 8px 20px -8px color-mix(in srgb, var(--accent) 55%, transparent);
}

.socials { display: flex; justify-content: center; gap: 12px; margin-top: 24px; }
.socials a {
  width: 44px; height: 44px; border-radius: 50%;
  background: linear-gradient(160deg, var(--surface-strong), var(--surface));
  border: 1px solid var(--border);
  box-shadow: inset 0 1px 0 var(--highlight), 0 14px 26px -14px rgba(0,0,0,0.6);
  backdrop-filter: blur(18px) saturate(160%); -webkit-backdrop-filter: blur(18px) saturate(160%);
  display: flex; align-items: center; justify-content: center;
  color: var(--text); text-decoration: none;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color .25s ease;
}
.socials a:hover {
  transform: translateY(-4px) scale(1.05);
  border-color: var(--accent);
  box-shadow: inset 0 1px 0 var(--highlight), 0 16px 30px -12px color-mix(in srgb, var(--accent) 50%, transparent);
}
.socials svg { width: 19px; height: 19px; }

/* ============ Sections ============ */
.section { margin-bottom: 36px; }
.section-eyebrow {
  font-family: 'JetBrains Mono', monospace; font-size: 0.7rem; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--text-dim); margin: 0 0 14px 4px;
  display: flex; align-items: center; gap: 8px;
}
.section-eyebrow::after { content: ''; flex: 1; height: 1px; background: var(--border-soft); }

/* ============ Link card — base structure, styled per data-btn variant ============ */
.link-card {
  display: flex; align-items: center; gap: 14px;
  text-decoration: none; color: var(--text);
  border-radius: var(--radius);
  padding: 15px 18px; margin-bottom: 12px;
  position: relative;
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease, background .22s ease;
}
.lc-icon {
  flex-shrink: 0; width: 42px; height: 42px; border-radius: calc(var(--radius) * 0.5);
  display: flex; align-items: center; justify-content: center; font-size: 1.2rem;
  background: linear-gradient(155deg, color-mix(in srgb, var(--accent) 30%, transparent), color-mix(in srgb, var(--accent-2) 20%, transparent));
  border: 1px solid var(--border-soft);
  box-shadow: inset 0 1px 0 var(--highlight);
  overflow: hidden;
}
.lc-icon img { width: 100%; height: 100%; object-fit: cover; border-radius: inherit; }
.lc-body { flex: 1; min-width: 0; }
.link-card .lc-title { font-weight: 600; font-size: 0.98rem; margin: 0 0 3px; }
.link-card .lc-sub { font-size: 0.81rem; color: var(--text-dim); line-height: 1.45; margin: 0; }
.lc-arrow { flex-shrink: 0; color: var(--text-dim); font-size: 1.1rem; transition: transform .22s ease; }
.link-card:hover .lc-arrow { transform: translateX(3px); color: var(--accent-2); }

/* ---- glass (default): layered blur, gradient top edge, ambient glow ---- */
[data-btn="glass"] .link-card {
  background: linear-gradient(160deg, var(--surface-strong), var(--surface));
  border: 1px solid var(--border);
  box-shadow: inset 0 1px 0 var(--highlight), 0 16px 34px -20px rgba(0,0,0,0.7);
  backdrop-filter: blur(20px) saturate(160%); -webkit-backdrop-filter: blur(20px) saturate(160%);
}
[data-btn="glass"] .link-card::before {
  content: ''; position: absolute; top: 0; left: 14%; right: 14%; height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), var(--accent-2), transparent);
  border-radius: 2px; opacity: 0.8;
}
[data-btn="glass"] .link-card:hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--accent) 55%, var(--border));
  box-shadow: inset 0 1px 0 var(--highlight), 0 22px 42px -18px color-mix(in srgb, var(--accent) 40%, transparent);
}

/* ---- solid3d: filled gradient, hard offset "pressable" shadow ---- */
[data-btn="solid3d"] .link-card {
  background: linear-gradient(135deg, var(--accent), var(--accent-3));
  color: #fff;
  border: none;
  box-shadow: 0 6px 0 color-mix(in srgb, var(--accent-3) 65%, black), 0 16px 30px -16px color-mix(in srgb, var(--accent) 60%, transparent);
}
[data-btn="solid3d"] .lc-sub { color: rgba(255,255,255,0.78); }
[data-btn="solid3d"] .lc-icon { background: rgba(255,255,255,0.18); border-color: rgba(255,255,255,0.25); }
[data-btn="solid3d"] .lc-arrow { color: rgba(255,255,255,0.8); }
[data-btn="solid3d"] .link-card:hover { transform: translateY(-2px); box-shadow: 0 8px 0 color-mix(in srgb, var(--accent-3) 65%, black), 0 20px 34px -16px color-mix(in srgb, var(--accent) 65%, transparent); }
[data-btn="solid3d"] .link-card:active { transform: translateY(4px); box-shadow: 0 2px 0 color-mix(in srgb, var(--accent-3) 65%, black); }

/* ---- outline: transparent, crisp gradient border ---- */
[data-btn="outline"] .link-card {
  background: color-mix(in srgb, var(--surface) 40%, transparent);
  border: 1.5px solid color-mix(in srgb, var(--accent) 45%, var(--border));
  box-shadow: none;
}
[data-btn="outline"] .link-card:hover {
  transform: translateY(-2px);
  background: color-mix(in srgb, var(--accent) 8%, transparent);
  border-color: var(--accent);
}

/* ---- flat: soft minimal card, no blur ---- */
[data-btn="flat"] .link-card {
  background: var(--surface-strong);
  border: 1px solid var(--border-soft);
  box-shadow: 0 2px 10px -4px rgba(0,0,0,0.25);
}
[data-btn="flat"] .link-card:hover { background: color-mix(in srgb, var(--accent) 10%, var(--surface-strong)); }

/* ============ Contact form ============ */
.contact-card {
  border-radius: var(--radius); padding: 22px;
  background: linear-gradient(160deg, var(--surface-strong), var(--surface));
  border: 1px solid var(--border);
  box-shadow: inset 0 1px 0 var(--highlight), 0 18px 40px -22px rgba(0,0,0,0.6);
  backdrop-filter: blur(20px) saturate(160%); -webkit-backdrop-filter: blur(20px) saturate(160%);
  position: relative;
}
.contact-card::before {
  content: ''; position: absolute; top: 0; left: 14%; right: 14%; height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), var(--accent-2), transparent);
  border-radius: 2px; opacity: 0.8;
}
.contact-card p.ct-sub { color: var(--text-dim); font-size: 0.83rem; margin: 0 0 16px; }
.contact-card input, .contact-card textarea {
  width: 100%; padding: 11px 13px; margin-bottom: 10px;
  border-radius: calc(var(--radius) * 0.45); border: 1px solid var(--border-soft);
  background: rgba(255,255,255,0.045); color: var(--text); font-family: inherit; font-size: 0.9rem; resize: vertical;
}
[data-theme="light"] .contact-card input, [data-theme="light"] .contact-card textarea { background: rgba(20,20,40,0.035); }
.contact-card input:focus, .contact-card textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.contact-card button {
  width: 100%; padding: 13px; border: none; border-radius: calc(var(--radius) * 0.45);
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  color: #06070E; font-weight: 700; font-size: 0.9rem; cursor: pointer;
  box-shadow: 0 14px 28px -12px color-mix(in srgb, var(--accent) 60%, transparent);
  transition: transform .18s ease, box-shadow .18s ease;
}
.contact-card button:hover { transform: translateY(-2px); }
.contact-card button:disabled { opacity: 0.6; cursor: default; transform: none; }
.contact-status { font-size: 0.82rem; margin-top: 10px; min-height: 18px; }
.contact-status.ok { color: #57C77E; }
.contact-status.err { color: #E2666B; }

footer.pv-footer {
  text-align: center; margin-top: 52px; font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem; color: var(--text-dim); letter-spacing: 0.04em;
}
footer.pv-footer a { color: var(--accent-2); text-decoration: none; }

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