/* =====================================================================
   AUTARK INNOVATIONS — PREMIUM DESIGN TOKENS
   v: 20260429b
   Inspired by: tesla.com Energy / 1komma5grad.com / vercel.com
   Token-Layer (sits on top of starling.css). Scope: Hero + Above-Fold.
   ===================================================================== */

:root {
  /* ---------- Premium Color System ---------- */
  --bg-deep:        #0B0F14;      /* deep w/ slight blue */
  --bg-surface:    #11161D;
  --bg-elev:       #161C25;
  --border-subtle: #1F2630;
  --border-strong: #2A323F;

  --text-primary:   #F5F7FA;
  --text-secondary: #9AA4B2;
  --text-muted:     #6C7689;

  --sun-gold:    #FFB627;       /* primary accent */
  --warm-glow:   #FF7E29;       /* secondary warm */
  --energy-cyan: #22D3EE;       /* info / energy */
  --bio-green:   #34D399;       /* eco / success */
  --rose-warn:   #F87171;       /* warn / contrast */

  --grad-hero: linear-gradient(135deg,#FFB627 0%,#FF7E29 60%,#0B0F14 100%);
  --grad-tile-warm: linear-gradient(160deg,rgba(255,182,39,0.12) 0%,rgba(255,126,41,0.05) 60%,rgba(11,15,20,0) 100%);
  --grad-tile-cool: linear-gradient(160deg,rgba(34,211,238,0.10) 0%,rgba(52,211,153,0.04) 60%,rgba(11,15,20,0) 100%);
  --grad-tile-dark: linear-gradient(160deg,rgba(255,255,255,0.04) 0%,rgba(255,255,255,0.01) 100%);

  /* ---------- 4-px Spacing Grid ---------- */
  --s-1: 4px;
  --s-2: 8px;
  --s-3: 12px;
  --s-4: 16px;
  --s-5: 24px;
  --s-6: 32px;
  --s-7: 48px;
  --s-8: 64px;
  --s-9: 96px;

  /* ---------- Type-Scale (clamp-fluid) ---------- */
  --type-h1:    clamp(2.5rem, 6vw + 1rem, 5rem);
  --type-h2:    clamp(2rem,   4vw + 0.6rem, 3.5rem);
  --type-h3:    clamp(1.4rem, 2.4vw + 0.5rem, 2rem);
  --type-lead:  clamp(1.05rem, 0.6vw + 0.9rem, 1.25rem);
  --type-body:  16px;
  --type-small: 0.875rem;
  --type-xs:    0.75rem;

  --font-display: "Geist","Inter",system-ui,-apple-system,sans-serif;
  --font-body:    "Inter",system-ui,-apple-system,sans-serif;

  /* ---------- Elevation / Shadows ---------- */
  --shadow-sm:  0 1px 2px rgba(0,0,0,0.25);
  --shadow-md:  0 6px 16px rgba(0,0,0,0.35);
  --shadow-lg:  0 18px 48px rgba(0,0,0,0.45);
  --shadow-glow-gold: 0 0 32px rgba(255,182,39,0.28);
  --shadow-glow-cyan: 0 0 28px rgba(34,211,238,0.25);

  /* ---------- Glassmorphism Defaults ---------- */
  --glass-bg:  rgba(255,255,255,0.04);
  --glass-bg-strong:  rgba(255,255,255,0.07);
  --glass-border: 1px solid rgba(255,255,255,0.10);
  --glass-blur: blur(22px) saturate(140%);

  /* ---------- Radii ---------- */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-xl: 32px;
  --radius-pill: 999px;

  /* ---------- Motion ---------- */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --t-fast: 160ms;
  --t-base: 280ms;
  --t-slow: 520ms;
}

/* =====================================================================
   BENTO HERO LAYOUT
   ===================================================================== */

.wow-hero {
  position: relative;
  padding: clamp(6rem, 8vw, 8rem) clamp(1rem, 4vw, 2.5rem) clamp(2rem, 4vw, 3rem);
  max-width: 1320px;
  margin: 0 auto;
  z-index: 5;
}

.wow-hero::before {
  /* Subtle radial spotlight */
  content: "";
  position: absolute;
  top: -10%;
  left: 50%;
  transform: translateX(-50%);
  width: 90vw;
  max-width: 1100px;
  height: 700px;
  background: radial-gradient(ellipse at center,
    rgba(255,182,39,0.18) 0%,
    rgba(255,126,41,0.10) 30%,
    rgba(11,15,20,0) 65%);
  filter: blur(20px);
  pointer-events: none;
  z-index: 0;
}

.wow-hero-bento {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-auto-rows: minmax(0, auto);
  gap: clamp(0.75rem, 1.4vw, 1.4rem);
}

.wow-tile {
  position: relative;
  border-radius: var(--radius-lg);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  padding: clamp(1.25rem, 2vw, 2rem);
  overflow: hidden;
  transition: transform var(--t-base) var(--ease-out),
              border-color var(--t-base) var(--ease-out),
              box-shadow var(--t-base) var(--ease-out);
}
.wow-tile::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--grad-tile-dark);
  pointer-events: none;
  opacity: 1;
}

@media (hover:hover) {
  .wow-tile:hover {
    transform: translateY(-2px);
    border-color: var(--border-strong);
    box-shadow: var(--shadow-lg);
  }
}

/* Tile A — Hero Headline (col-span 8 desktop) */
.wow-tile--hero {
  grid-column: span 12;
  background:
    radial-gradient(ellipse at top right, rgba(255,182,39,0.08), transparent 60%),
    var(--bg-surface);
  border-color: rgba(255,182,39,0.18);
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: clamp(280px, 38vw, 460px);
}

/* Tile B — Live Solar Calculator */
.wow-tile--calc {
  grid-column: span 12;
  background:
    radial-gradient(ellipse at top left, rgba(34,211,238,0.06), transparent 60%),
    var(--bg-surface);
}

/* Tile C — Live Counter "Bisher gespart" */
.wow-tile--counter {
  grid-column: span 6;
  background:
    radial-gradient(ellipse at bottom right, rgba(52,211,153,0.08), transparent 60%),
    var(--bg-surface);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* Tile D — Pierre Contact */
.wow-tile--pierre {
  grid-column: span 6;
  background:
    radial-gradient(ellipse at bottom left, rgba(255,126,41,0.08), transparent 60%),
    var(--bg-surface);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: var(--s-4);
}

@media (min-width: 960px) {
  .wow-tile--hero    { grid-column: span 8;  grid-row: span 2; }
  .wow-tile--calc    { grid-column: span 4;  grid-row: span 2; }
  .wow-tile--counter { grid-column: span 4; }
  .wow-tile--pierre  { grid-column: span 4; }
}

@media (min-width: 1180px) {
  .wow-tile--hero    { grid-column: span 7; grid-row: span 2; }
  .wow-tile--calc    { grid-column: span 5; grid-row: span 2; }
  .wow-tile--counter { grid-column: span 7; }
  .wow-tile--pierre  { grid-column: span 5; }
}

/* ===== Hero Headline Tile ===== */
.wow-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  font-family: var(--font-body);
  font-size: var(--type-xs);
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--sun-gold);
  margin-bottom: var(--s-4);
}
.wow-eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--bio-green);
  box-shadow: 0 0 10px var(--bio-green);
  animation: wow-pulse 2.4s ease-in-out infinite;
}

@keyframes wow-pulse {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.45; }
}

.wow-h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--type-h1);
  line-height: 1.02;
  letter-spacing: -0.025em;
  color: var(--text-primary);
  margin: 0 0 var(--s-4);
}
.wow-h1 .accent {
  background: linear-gradient(135deg, #FFB627 0%, #FF7E29 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.wow-sub {
  font-family: var(--font-body);
  font-size: var(--type-lead);
  line-height: 1.55;
  color: var(--text-secondary);
  max-width: 60ch;
  margin: 0 0 var(--s-6);
}

.wow-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-3);
  align-items: center;
  margin-bottom: var(--s-6);
}

.wow-btn-primary {
  --btn-tx: 0px;
  --btn-ty: 0px;
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  padding: 14px 28px;
  border-radius: var(--radius-pill);
  background: linear-gradient(135deg,#FFB627,#FF7E29);
  color: #0B0F14;
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  border: 1px solid rgba(255,182,39,0.4);
  box-shadow: var(--shadow-glow-gold);
  transition: transform var(--t-fast) var(--ease-out),
              box-shadow var(--t-base) var(--ease-out);
  transform: translate(var(--btn-tx), var(--btn-ty));
  will-change: transform;
}
@media (hover:hover) {
  .wow-btn-primary:hover {
    box-shadow: 0 0 48px rgba(255,182,39,0.55);
  }
}
.wow-btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  padding: 13px 22px;
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid var(--border-strong);
  transition: border-color var(--t-fast) var(--ease-out),
              background var(--t-fast) var(--ease-out);
}
@media (hover:hover) {
  .wow-btn-secondary:hover {
    border-color: var(--sun-gold);
    background: rgba(255,182,39,0.06);
  }
}

.wow-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: var(--s-4);
  margin-top: auto;
  padding-top: var(--s-5);
  border-top: 1px solid var(--border-subtle);
}
.wow-stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.wow-stat-num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.25rem, 1.6vw + 0.4rem, 1.6rem);
  line-height: 1;
  color: var(--text-primary);
  letter-spacing: -0.01em;
  font-variant-numeric: tabular-nums;
}
.wow-stat-label {
  font-size: var(--type-xs);
  color: var(--text-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* ===== Calculator Tile ===== */
.wow-calc-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--text-primary);
  margin: 0 0 var(--s-2);
}
.wow-calc-sub {
  font-size: var(--type-small);
  color: var(--text-secondary);
  margin: 0 0 var(--s-5);
}
.wow-slider-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: var(--s-4);
}
.wow-slider-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-family: var(--font-body);
  font-size: var(--type-small);
}
.wow-slider-head .label { color: var(--text-secondary); font-weight: 500; }
.wow-slider-head .val   { color: var(--text-primary); font-weight: 700; font-variant-numeric: tabular-nums; }

.wow-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 4px;
  background: var(--border-strong);
  border-radius: 999px;
  outline: none;
  cursor: pointer;
  margin: 4px 0 0;
}
.wow-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: linear-gradient(135deg,#FFB627,#FF7E29);
  border: 2px solid #0B0F14;
  box-shadow: 0 0 0 1px rgba(255,182,39,0.35), var(--shadow-md);
  cursor: pointer;
  transition: transform var(--t-fast) var(--ease-out);
}
.wow-slider::-webkit-slider-thumb:hover { transform: scale(1.1); }
.wow-slider::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: linear-gradient(135deg,#FFB627,#FF7E29);
  border: 2px solid #0B0F14;
  cursor: pointer;
}

.wow-calc-result {
  margin-top: var(--s-5);
  padding: var(--s-4);
  border-radius: var(--radius-md);
  background: rgba(255,182,39,0.05);
  border: 1px solid rgba(255,182,39,0.18);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--s-3);
}
.wow-calc-cell {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}
.wow-calc-num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.15rem, 1.6vw + 0.3rem, 1.5rem);
  line-height: 1;
  color: var(--sun-gold);
  font-variant-numeric: tabular-nums;
  transition: transform var(--t-fast) var(--ease-spring);
  /* Reserve min-width for CLS */
  min-width: 7ch;
  display: inline-block;
}
.wow-calc-num.bump { transform: scale(0.95); }
.wow-calc-num--cyan  { color: var(--energy-cyan); }
.wow-calc-num--green { color: var(--bio-green); }
.wow-calc-num--white { color: var(--text-primary); }
.wow-calc-cell-label {
  font-size: var(--type-xs);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.wow-calc-cta {
  display: flex;
  justify-content: center;
  margin-top: var(--s-4);
}
.wow-calc-link {
  font-size: var(--type-small);
  color: var(--sun-gold);
  text-decoration: none;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  border-bottom: 1px solid transparent;
  transition: border-color var(--t-fast) var(--ease-out);
}
@media (hover:hover) {
  .wow-calc-link:hover { border-bottom-color: var(--sun-gold); }
}

/* ===== Counter Tile ===== */
.wow-counter-label {
  font-size: var(--type-xs);
  color: var(--text-muted);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: var(--s-3);
}
.wow-counter-num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.4rem, 4vw + 0.5rem, 3.6rem);
  line-height: 1;
  color: var(--bio-green);
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  /* Reserve space → 0 CLS */
  min-width: 8ch;
  display: inline-block;
}
.wow-counter-suffix {
  color: var(--text-secondary);
  font-weight: 600;
  margin-left: 4px;
}
.wow-counter-desc {
  font-size: var(--type-small);
  color: var(--text-secondary);
  line-height: 1.5;
  margin-top: var(--s-3);
  max-width: 38ch;
}

/* ===== Pierre Tile ===== */
.wow-pierre-head {
  display: flex;
  gap: var(--s-4);
  align-items: center;
}
.wow-pierre-avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg,#FFB627,#FF7E29);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #0B0F14;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.5rem;
  flex-shrink: 0;
  border: 2px solid rgba(255,255,255,0.12);
  box-shadow: var(--shadow-md);
  background-size: cover;
  background-position: center;
  /* TODO Pierre: echte Foto via background-image:url('/pierre.webp') */
}
.wow-pierre-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--text-primary);
  margin: 0;
  line-height: 1.1;
}
.wow-pierre-role {
  font-size: var(--type-small);
  color: var(--text-secondary);
  margin: 2px 0 0;
}
.wow-pierre-promise {
  display: flex;
  align-items: center;
  gap: var(--s-2);
  padding: var(--s-3) var(--s-4);
  border-radius: var(--radius-md);
  background: rgba(52,211,153,0.06);
  border: 1px solid rgba(52,211,153,0.18);
  font-size: var(--type-small);
  color: var(--text-primary);
  font-weight: 500;
}
.wow-pierre-promise::before {
  content: "";
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--bio-green);
  box-shadow: 0 0 10px var(--bio-green);
  animation: wow-pulse 2.4s ease-in-out infinite;
  flex-shrink: 0;
}
.wow-pierre-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-2);
}
.wow-pierre-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-2);
  padding: 10px 14px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  transition: transform var(--t-fast) var(--ease-out),
              background var(--t-fast) var(--ease-out);
}
.wow-pierre-btn--wa {
  background: #25D366;
  color: #0B0F14;
}
.wow-pierre-btn--tel {
  background: rgba(255,255,255,0.06);
  color: var(--text-primary);
  border: 1px solid var(--border-strong);
}
@media (hover:hover) {
  .wow-pierre-btn:hover { transform: translateY(-1px); }
  .wow-pierre-btn--wa:hover { background: #1ebe57; }
  .wow-pierre-btn--tel:hover { border-color: var(--sun-gold); }
}

/* =====================================================================
   ENERGY-FLOW SVG SECTION
   ===================================================================== */

.wow-flow-section {
  position: relative;
  max-width: 900px;
  margin: clamp(2rem, 4vw, 3rem) auto;
  padding: 0 1.5rem;
  text-align: center;
}
.wow-flow-svg {
  width: 100%;
  height: auto;
  max-height: 280px;
  display: block;
}
.wow-flow-path {
  fill: none;
  stroke: var(--energy-cyan);
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-dasharray: 6 8;
  stroke-dashoffset: 0;
  animation: wow-flow-pulse 4s linear infinite;
  opacity: 0.7;
}
.wow-flow-path--gold {
  stroke: var(--sun-gold);
  animation-duration: 5s;
}
.wow-flow-path--green {
  stroke: var(--bio-green);
  animation-duration: 6s;
}
@keyframes wow-flow-pulse {
  to { stroke-dashoffset: -56; }
}
.wow-flow-node {
  fill: var(--bg-surface);
  stroke: var(--border-strong);
  stroke-width: 1.5;
}
.wow-flow-node--gold { stroke: var(--sun-gold); }
.wow-flow-node--cyan { stroke: var(--energy-cyan); }
.wow-flow-node--green { stroke: var(--bio-green); }
.wow-flow-icon { fill: var(--text-primary); }
.wow-flow-caption {
  font-size: var(--type-xs);
  color: var(--text-muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-top: var(--s-3);
}

/* =====================================================================
   MARQUEE TRUST STRIP
   ===================================================================== */

.wow-marquee {
  position: relative;
  width: 100%;
  overflow: hidden;
  padding: var(--s-5) 0;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-deep);
  /* Edge fade */
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
}
.wow-marquee-track {
  display: flex;
  gap: var(--s-7);
  width: max-content;
  animation: wow-marquee-scroll 40s linear infinite;
  will-change: transform;
}
.wow-marquee-item {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-secondary);
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  padding: 0 var(--s-3);
}
.wow-marquee-item .dot {
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--border-strong);
}
@keyframes wow-marquee-scroll {
  from { transform: translate3d(0, 0, 0); }
  to   { transform: translate3d(-50%, 0, 0); }
}

/* =====================================================================
   REVEAL ON SCROLL
   ===================================================================== */

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 700ms var(--ease-out),
              transform 700ms var(--ease-out);
  will-change: opacity, transform;
}
.reveal.in {
  opacity: 1;
  transform: none;
}

/* =====================================================================
   PREFERS REDUCED MOTION
   ===================================================================== */

@media (prefers-reduced-motion: reduce) {
  .wow-eyebrow::before,
  .wow-pierre-promise::before { animation: none !important; }
  .wow-flow-path { animation: none !important; stroke-dasharray: none !important; }
  .wow-marquee-track { animation: none !important; }
  .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
  .wow-calc-num.bump { transform: none !important; }
}

/* =====================================================================
   MOBILE
   ===================================================================== */

@media (max-width: 640px) {
  .wow-hero { padding-top: 5.5rem; }
  .wow-tile--counter,
  .wow-tile--pierre { grid-column: span 12; }
  .wow-pierre-actions { grid-template-columns: 1fr; }
  .wow-stats { grid-template-columns: repeat(2, 1fr); }
  .wow-calc-result { grid-template-columns: 1fr 1fr; }
}

/* =====================================================================
   GLOBAL BOX-SIZING (verhindert Mobile-Overflow durch Form-Inputs + Cards)
   ===================================================================== */
input, textarea, select, button {
  box-sizing: border-box;
  max-width: 100%;
}
.feature-card, .glass-card, .info-card, .lp-card,
.sb-card, .sb-cta-btn, .sb-cta-wrap,
.container > *, section > .container,
[class*="-card"], [class*="-btn"] {
  box-sizing: border-box;
  max-width: 100%;
}

/* =====================================================================
   TAP-TARGETS (WCAG 2.5.5 / 2.5.8 — min 44px Touch Target)
   ===================================================================== */
a.btn-primary, a.btn-secondary, a.btn, a.btn-gold,
a.back-top, a.wow-calc-link,
a[role="button"],
button.btn-primary, button.btn-secondary, button.btn {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding-block: 0.6rem;
  line-height: 1.25;
  box-sizing: border-box;
  max-width: 100%;
}
@media (max-width: 480px) {
  a.btn-primary, a.btn-secondary, a.btn, a.btn-gold,
  button.btn-primary, button.btn-secondary, button.btn {
    min-height: 48px;
    width: 100%;
    box-sizing: border-box;
  }
  /* Inline-Anker (z. B. wow-calc-link, back-top) bleiben inline-flex aber mit 48px Höhe */
  a.back-top, a.wow-calc-link {
    min-height: 44px;
    padding-block: 0.7rem;
  }
}