/* ============================================================
   digivici — base.css
   Design tokens, reset, typography, utilities
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Inter:ital,wght@0,300;0,400;0,500;0,600;1,400&display=swap');

/* ── Design Tokens ────────────────────────────────────────── */
:root {
  /* Master Brand */
  --brand-cyan:   #00D4FF;
  --brand-purple: #A855F7;
  --brand-bg:     #070B14;

  /* Production Sub-Brand */
  --prod-mint:    #00F5B4;
  --prod-blue:    #00AFDF;
  --prod-bg:      #060D10;

  /* Academy Sub-Brand */
  --acad-lila:    #C084FC;
  --acad-pink:    #FF2D78;
  --acad-bg:      #0C0A1A;

  /* Page-level tokens (default = master brand) */
  --page-bg:       var(--brand-bg);
  --page-bg2:      #0D1220;
  --page-bg3:      #111827;
  --page-accent-1: var(--brand-cyan);
  --page-accent-2: var(--brand-purple);
  --page-text:     #F0F4FF;
  --page-muted:    #8892A4;
  --page-border:   rgba(255, 255, 255, 0.07);

  /* Neutral */
  --white: #FFFFFF;
  --gray-50:  #F8FAFF;
  --gray-100: #C9D2E8;
  --gray-200: #A8B3CF;
  --gray-400: #6B7694;
  --gray-600: #2C3547;
  --gray-700: #1E2535;
  --gray-800: #161B27;
  --gray-900: #0D1117;

  /* Typography */
  --font-display: 'Space Grotesk', sans-serif;
  --font-body:    'Inter', sans-serif;

  /* Spacing */
  --s-1: 0.25rem;
  --s-2: 0.5rem;
  --s-3: 0.75rem;
  --s-4: 1rem;
  --s-5: 1.25rem;
  --s-6: 1.5rem;
  --s-8: 2rem;
  --s-10: 2.5rem;
  --s-12: 3rem;
  --s-16: 4rem;
  --s-20: 5rem;
  --s-24: 6rem;

  /* Radii */
  --r-sm:   6px;
  --r-md:   12px;
  --r-lg:   20px;
  --r-xl:   28px;
  --r-2xl:  36px;
  --r-pill: 9999px;

  /* Transitions */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out:   cubic-bezier(0.4, 0, 0.2, 1);
  --dur-fast:  150ms;
  --dur-base:  300ms;
  --dur-slow:  600ms;

  /* Container */
  --container-max: 1200px;
  --container-pad: clamp(1rem, 5vw, 2.5rem);
}

/* Page theme overrides */
body.page-production {
  --page-bg:       var(--prod-bg);
  --page-bg2:      #0C1A20;
  --page-bg3:      #0F2028;
  --page-accent-1: var(--prod-mint);
  --page-accent-2: var(--prod-blue);
  --page-text:     #E8FFF9;
  --page-muted:    #7A9EA8;
  --page-border:   rgba(0, 245, 180, 0.09);
}

body.page-academy {
  --page-bg:       var(--acad-bg);
  --page-bg2:      #130E24;
  --page-bg3:      #1A1230;
  --page-accent-1: var(--acad-lila);
  --page-accent-2: var(--acad-pink);
  --page-text:     #F5F0FF;
  --page-muted:    #9080AC;
  --page-border:   rgba(192, 132, 252, 0.1);
}

/* ── Spline Watermark ausblenden ──────────────────────────── */
spline-viewer::part(logo) { display: none !important; }

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--page-bg);
  color: var(--page-text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, video, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea, select { font-family: inherit; }

/* ── Layout ───────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.section {
  padding-block: clamp(4rem, 8vw, 6rem);
}

.section-border {
  border-bottom: 1px solid var(--page-border);
}

/* ── Typography Scale ─────────────────────────────────────── */
.display-xl {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 6.5vw, 5.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.05;
}

.display-lg {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.display-md {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.15;
}

.heading-lg {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.25;
}

.heading-md {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.3;
}

.body-lg {
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  line-height: 1.75;
  color: var(--page-muted);
}

.body-md {
  font-size: 1rem;
  line-height: 1.65;
  color: var(--page-muted);
}

.body-sm {
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--page-muted);
}

.label-text {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--page-muted);
}

/* ── Gradient Text ────────────────────────────────────────── */
.grad {
  background: linear-gradient(135deg, var(--page-accent-1), var(--page-accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.grad-master {
  background: linear-gradient(135deg, #00D4FF, #A855F7);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.grad-production {
  background: linear-gradient(135deg, #00F5B4, #00AFDF);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.grad-academy {
  background: linear-gradient(135deg, #C084FC, #FF2D78);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Glass Cards ──────────────────────────────────────────── */
.glass {
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid var(--page-border);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.glass-accent {
  background: linear-gradient(
    135deg,
    rgba(0,0,0,0) 0%,
    rgba(0,0,0,0) 100%
  );
  background-color: var(--page-bg2);
  border: 1px solid rgba(255,255,255,0.06);
}

.card {
  background: var(--page-bg2);
  border: 1px solid var(--page-border);
  border-radius: var(--r-xl);
  overflow: hidden;
  transition: transform var(--dur-base) var(--ease-out-expo),
              box-shadow var(--dur-base) var(--ease-out-expo);
}

.card:hover {
  transform: translateY(-4px);
}

.card-glow:hover {
  box-shadow: 0 0 0 1px var(--page-accent-1),
              0 24px 48px rgba(0,0,0,0.3);
}

/* ── Dividers ─────────────────────────────────────────────── */
.neon-line {
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(0,212,255,0.35),
    rgba(168,85,247,0.35),
    transparent
  );
}

.neon-line-prod {
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(0,245,180,0.35),
    rgba(0,175,223,0.35),
    transparent
  );
}

.neon-line-acad {
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(192,132,252,0.35),
    rgba(255,45,120,0.35),
    transparent
  );
}

/* ── Badges / Pills ───────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  padding: 5px 14px;
  border-radius: var(--r-pill);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.badge-accent {
  border: 1px solid rgba(255,255,255,0.15);
  background: rgba(255,255,255,0.04);
  color: var(--page-accent-1);
  border-color: color-mix(in srgb, var(--page-accent-1) 35%, transparent);
}

.badge-pulse::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--page-accent-1);
  box-shadow: 0 0 8px var(--page-accent-1);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-2);
  padding: 13px 28px;
  border-radius: var(--r-pill);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: all var(--dur-base) var(--ease-out-expo);
  position: relative;
  white-space: nowrap;
  text-decoration: none;
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--page-accent-1), var(--page-accent-2));
  color: #050810;
  box-shadow: 0 0 24px color-mix(in srgb, var(--page-accent-1) 30%, transparent);
}

.btn-primary:hover {
  box-shadow: 0 0 40px color-mix(in srgb, var(--page-accent-1) 50%, transparent);
  transform: translateY(-2px);
}

.btn-secondary {
  background: transparent;
  border: 1px solid color-mix(in srgb, var(--page-accent-1) 35%, transparent);
  color: var(--page-accent-1);
}

.btn-secondary:hover {
  background: color-mix(in srgb, var(--page-accent-1) 8%, transparent);
  border-color: color-mix(in srgb, var(--page-accent-1) 60%, transparent);
}

.btn-ghost {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--page-text);
}

.btn-ghost:hover {
  background: rgba(255,255,255,0.08);
}

.btn-sm {
  padding: 9px 20px;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 16px 36px;
  font-size: 1.0625rem;
}

/* ── Section Intro ────────────────────────────────────────── */
.section-label {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--page-accent-1);
  margin-bottom: var(--s-3);
  display: block;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.15;
  margin-bottom: var(--s-4);
}

.section-intro {
  font-size: clamp(1rem, 1.5vw, 1.1rem);
  color: var(--page-muted);
  line-height: 1.75;
  max-width: 560px;
  margin-bottom: var(--s-12);
}

/* ── Grid Utilities ───────────────────────────────────────── */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--s-6); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--s-6); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--s-5); }

@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* ── Misc Utilities ───────────────────────────────────────── */
.text-center { text-align: center; }
.text-muted  { color: var(--page-muted); }
.text-accent { color: var(--page-accent-1); }

.flex         { display: flex; }
.flex-center  { display: flex; align-items: center; justify-content: center; }
.gap-2        { gap: var(--s-2); }
.gap-4        { gap: var(--s-4); }
.gap-6        { gap: var(--s-6); }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* ── Scroll Progress Bar ──────────────────────────────────── */
#scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  width: 0%;
  background: linear-gradient(90deg, var(--page-accent-1), var(--page-accent-2));
  z-index: 9999;
  transition: width 50ms linear;
}

/* ── Responsive Typography ────────────────────────────────── */
@media (max-width: 640px) {
  .section { padding-block: 3rem; }
  .section-intro { margin-bottom: var(--s-8); }
}