/* =========================================================
   kryptokaufen.at — Designsystem
   Palette:  Netz-Tiefblau #0E1530 · Solar-Amber #F5A623
             Tief-Gold #E0801A · Creme #FBF7EF · Strom-Blau #4F9CF5
   Type:     Space Grotesk (Display) · Inter (Body) · Space Mono (Daten)
   ========================================================= */

:root {
  --ink:        #0E1530;
  --ink-2:      #161F44;
  --ink-3:      #202B57;
  --amber:      #F5A623;
  --amber-soft: #FFD36E;
  --gold:       #E0801A;
  --cream:      #FBF7EF;
  --cream-2:    #F1EADC;
  --electric:   #4F9CF5;
  --text:       #1A1D29;
  --text-muted: #5A6072;
  --line:       rgba(20,28,60,.10);
  --line-dark:  rgba(255,255,255,.12);

  --shadow:     0 18px 50px -20px rgba(14,21,48,.35);
  --shadow-lg:  0 40px 90px -30px rgba(14,21,48,.55);
  --radius:     18px;
  --radius-sm:  12px;

  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-body:    "Inter", system-ui, sans-serif;
  --font-mono:    "Space Mono", ui-monospace, monospace;

  --maxw: 1120px;
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--text);
  background: var(--cream);
  line-height: 1.65;
  font-size: 17px;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: var(--gold); text-decoration: none; }
h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.08; letter-spacing: -.02em; margin: 0 0 .5em; }
p { margin: 0 0 1em; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

.skip-link {
  position: absolute; left: -999px; top: 0; background: var(--amber); color: var(--ink);
  padding: 10px 16px; z-index: 1000; border-radius: 0 0 8px 0; font-weight: 600;
}
.skip-link:focus { left: 0; }

:focus-visible { outline: 3px solid var(--electric); outline-offset: 3px; border-radius: 4px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-display); font-weight: 600; font-size: 16px;
  padding: 15px 26px; border-radius: 999px; border: 2px solid transparent;
  cursor: pointer; transition: transform .18s ease, box-shadow .25s ease, background .2s; text-align: center;
}
.btn--primary {
  background: linear-gradient(135deg, var(--amber-soft), var(--gold));
  color: var(--ink); box-shadow: 0 14px 30px -12px rgba(224,128,26,.7);
}
.btn--primary:hover { transform: translateY(-3px); box-shadow: 0 22px 40px -14px rgba(224,128,26,.85); }
.btn--ghost { background: transparent; color: var(--cream); border-color: rgba(255,255,255,.4); }
.btn--ghost:hover { border-color: var(--amber); color: var(--amber-soft); transform: translateY(-3px); }
.btn--dark { background: var(--ink); color: var(--cream); }
.btn--dark:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.btn--block { width: 100%; justify-content: center; }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(14,21,48,.82); backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line-dark);
  transition: background .3s, box-shadow .3s;
}
.site-header.scrolled { box-shadow: 0 10px 30px -18px rgba(0,0,0,.6); background: rgba(14,21,48,.96); }
.site-header__inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: inline-flex; align-items: center; gap: 12px; }
.brand__text { font-family: var(--font-display); font-weight: 700; font-size: 19px; color: var(--cream); letter-spacing: -.01em; }
.brand__mark { display: inline-flex; filter: drop-shadow(0 4px 10px rgba(224,128,26,.5)); }

.site-nav { display: flex; align-items: center; gap: 6px; }
.site-nav a {
  color: rgba(251,247,239,.78); font-weight: 500; font-size: 15px;
  padding: 9px 14px; border-radius: 999px; transition: color .2s, background .2s;
}
.site-nav a:hover { color: var(--cream); }
.site-nav a.is-active { color: var(--amber-soft); }
.site-nav a.nav-cta {
  background: var(--amber); color: var(--ink); font-weight: 600; margin-left: 8px;
}
.site-nav a.nav-cta:hover { background: var(--amber-soft); color: var(--ink); transform: translateY(-1px); }

.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { width: 26px; height: 2.5px; background: var(--cream); border-radius: 2px; transition: .25s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative; background: var(--ink); color: var(--cream);
  padding: 96px 0 120px; overflow: hidden;
}
.hero__glow {
  position: absolute; top: -28%; right: -8%; width: 760px; height: 760px;
  background: radial-gradient(circle at center, rgba(245,166,35,.55), rgba(245,166,35,.18) 38%, transparent 64%);
  filter: blur(8px); pointer-events: none; animation: sunPulse 9s ease-in-out infinite;
}
.hero__rays {
  position: absolute; inset: 0; opacity: .35; pointer-events: none;
  background:
    repeating-conic-gradient(from 0deg at 84% 6%, rgba(255,211,110,.10) 0deg 3deg, transparent 3deg 9deg);
  mask-image: radial-gradient(circle at 84% 6%, black, transparent 60%);
}
.hero__inner { position: relative; display: grid; grid-template-columns: 1.15fr .85fr; gap: 56px; align-items: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 9px; font-family: var(--font-mono);
  font-size: 13px; letter-spacing: .12em; text-transform: uppercase; color: var(--amber-soft);
  border: 1px solid rgba(255,211,110,.35); padding: 7px 14px; border-radius: 999px; margin-bottom: 22px;
}
.eyebrow::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--amber); box-shadow: 0 0 12px var(--amber); }
.hero h1 { font-size: clamp(2.4rem, 5vw, 3.7rem); margin-bottom: 20px; }
.hero h1 .hl { color: var(--amber); }
.hero__sub { font-size: 1.18rem; color: rgba(251,247,239,.82); max-width: 38ch; margin-bottom: 32px; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 40px; }

.hero__stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; max-width: 560px; }
.meter {
  background: linear-gradient(160deg, rgba(255,255,255,.06), rgba(255,255,255,.02));
  border: 1px solid var(--line-dark); border-radius: var(--radius-sm); padding: 16px 16px 14px;
  position: relative; overflow: hidden;
}
.meter::before { content: ""; position: absolute; left: 0; top: 0; height: 3px; width: 100%; background: linear-gradient(90deg, var(--amber), var(--electric)); opacity: .8; }
.meter__value { font-family: var(--font-mono); font-weight: 700; font-size: 1.4rem; color: var(--amber-soft); }
.meter__label { font-size: .78rem; color: rgba(251,247,239,.62); line-height: 1.35; margin-top: 4px; }

/* Hero visual: energy flow card */
.flow-card {
  background: linear-gradient(165deg, rgba(255,255,255,.07), rgba(255,255,255,.02));
  border: 1px solid var(--line-dark); border-radius: var(--radius); padding: 26px;
  box-shadow: var(--shadow-lg); backdrop-filter: blur(6px);
}
.flow-card h3 { font-size: .82rem; font-family: var(--font-mono); text-transform: uppercase; letter-spacing: .12em; color: rgba(251,247,239,.6); margin-bottom: 20px; }
.flow {
  display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; align-items: center; gap: 6px; text-align: center;
}
.flow__node { display: flex; flex-direction: column; align-items: center; gap: 8px; }
.flow__icon { width: 54px; height: 54px; border-radius: 14px; display: grid; place-items: center; background: rgba(245,166,35,.12); border: 1px solid rgba(245,166,35,.3); font-size: 26px; }
.flow__node span { font-size: .72rem; color: rgba(251,247,239,.72); }
.flow__arrow { color: var(--amber); font-size: 20px; position: relative; }
.flow__dot { position: absolute; width: 6px; height: 6px; border-radius: 50%; background: var(--amber-soft); top: 50%; left: 0; transform: translateY(-50%); box-shadow: 0 0 10px var(--amber); animation: travel 2.4s linear infinite; }
.flow__readout { margin-top: 22px; padding-top: 18px; border-top: 1px dashed var(--line-dark); display: flex; justify-content: space-between; font-family: var(--font-mono); font-size: .85rem; }
.flow__readout b { color: var(--amber-soft); }

@keyframes sunPulse { 0%,100% { transform: scale(1); opacity: .9; } 50% { transform: scale(1.07); opacity: 1; } }
@keyframes travel { 0% { left: 0; opacity: 0; } 15% { opacity: 1; } 85% { opacity: 1; } 100% { left: 100%; opacity: 0; } }

/* ---------- Generic Sections ---------- */
.section { padding: 88px 0; }
.section--cream { background: var(--cream); }
.section--paper { background: var(--cream-2); }
.section--ink { background: var(--ink); color: var(--cream); }
.section--ink h2, .section--ink h3 { color: var(--cream); }
/* Provider-Karten haben einen weißen Hintergrund – Firmenname & Text müssen
   dunkel bleiben, sonst sind sie auf dem hellen Kärtchen unlesbar. */
.section--ink .provider h3 { color: var(--ink); }
.section--ink .provider p  { color: var(--text-muted); }

.section-head { max-width: 660px; margin-bottom: 48px; }
.section-head--center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head .eyebrow { color: var(--gold); border-color: rgba(224,128,26,.3); }
.section--ink .section-head .eyebrow { color: var(--amber-soft); border-color: rgba(255,211,110,.3); }
.section h2 { font-size: clamp(1.9rem, 3.4vw, 2.7rem); }
.lead { font-size: 1.12rem; color: var(--text-muted); }
.section--ink .lead { color: rgba(251,247,239,.78); }

/* ---------- Two Pillars ---------- */
.pillars { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
.pillar {
  position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 38px 34px; box-shadow: var(--shadow); overflow: hidden;
  transition: transform .25s ease, box-shadow .25s ease;
}
.pillar:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.pillar::after { content: ""; position: absolute; top: 0; left: 0; width: 100%; height: 5px; background: linear-gradient(90deg, var(--amber), var(--gold)); }
.pillar--blue::after { background: linear-gradient(90deg, var(--electric), #2f6fd0); }
.pillar__tag { font-family: var(--font-mono); font-size: .78rem; letter-spacing: .1em; text-transform: uppercase; color: var(--gold); }
.pillar--blue .pillar__tag { color: var(--electric); }
.pillar h3 { font-size: 1.5rem; margin: 10px 0 12px; }
.pillar p { color: var(--text-muted); }
.pillar__link { display: inline-flex; align-items: center; gap: 8px; font-family: var(--font-display); font-weight: 600; color: var(--ink); margin-top: 8px; }
.pillar__link svg { transition: transform .2s; }
.pillar:hover .pillar__link svg { transform: translateX(5px); }

/* ---------- Steps / Timeline ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; counter-reset: step; }
.step {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 24px;
  position: relative; transition: transform .25s; box-shadow: var(--shadow);
}
.section--ink .step { background: var(--ink-2); border-color: var(--line-dark); }
.step:hover { transform: translateY(-5px); }
.step__num {
  counter-increment: step; font-family: var(--font-mono); font-weight: 700; font-size: 1.05rem;
  width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--amber-soft), var(--gold)); color: var(--ink); margin-bottom: 18px;
}
.step__num::before { content: "0" counter(step); }
.step h3 { font-size: 1.18rem; margin-bottom: 8px; }
.step p { color: var(--text-muted); font-size: .98rem; margin: 0; }
.section--ink .step p { color: rgba(251,247,239,.72); }

/* ---------- Feature list ---------- */
.checklist { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.checklist li { display: flex; gap: 14px; align-items: flex-start; }
.checklist li::before {
  content: "✓"; flex: 0 0 26px; height: 26px; border-radius: 8px; display: grid; place-items: center;
  background: rgba(245,166,35,.15); color: var(--gold); font-weight: 700; margin-top: 2px;
}
.section--ink .checklist li::before { background: rgba(245,166,35,.2); color: var(--amber-soft); }

/* Split layout */
.split { display: grid; grid-template-columns: 1.1fr .9fr; gap: 54px; align-items: center; }
.split--reverse .split__media { order: 2; }
.panel {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 34px; box-shadow: var(--shadow);
}
.section--ink .panel { background: var(--ink-2); border-color: var(--line-dark); }

/* ---------- Stat row ---------- */
.statrow { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.stat {
  background: var(--ink-2); border: 1px solid var(--line-dark); border-radius: var(--radius); padding: 28px 24px;
  text-align: center;
}
.stat__value { font-family: var(--font-mono); font-weight: 700; font-size: 1.9rem; color: var(--amber-soft); }
.stat__label { color: rgba(251,247,239,.7); font-size: .92rem; margin-top: 6px; }

/* Notice / risk box */
.notice {
  border-left: 4px solid var(--amber); background: rgba(245,166,35,.08);
  padding: 22px 26px; border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.notice--risk { border-left-color: var(--electric); background: rgba(79,156,245,.08); }
.notice h3 { font-size: 1.15rem; margin-bottom: 8px; }
.notice p { margin: 0; color: var(--text-muted); }

/* ---------- Provider cards ---------- */
.providers { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 22px; }
.provider {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 26px;
  box-shadow: var(--shadow); transition: transform .25s, box-shadow .25s; display: flex; flex-direction: column;
}
.provider:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.provider__city { font-family: var(--font-mono); font-size: .76rem; letter-spacing: .1em; text-transform: uppercase; color: var(--gold); }
.provider h3 { font-size: 1.4rem; margin: 6px 0 10px; overflow-wrap: anywhere; }
.provider p { color: var(--text-muted); flex: 1; }
.badge-tax {
  display: inline-flex; align-items: center; gap: 7px; font-size: .82rem; font-weight: 600; color: var(--ink);
  background: var(--amber-soft); padding: 5px 12px; border-radius: 999px; margin-bottom: 16px; align-self: flex-start;
}
.badge-tax--alt { background: rgba(79,156,245,.16); color: var(--ink); }
.affiliate-note { margin-top: 22px; font-size: .82rem; line-height: 1.6; color: var(--text-muted); }

/* ---------- CTA band ---------- */
.cta-band {
  position: relative; background: linear-gradient(135deg, var(--ink), var(--ink-3));
  border-radius: 28px; padding: 64px 48px; text-align: center; overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.cta-band::before {
  content: ""; position: absolute; top: -40%; left: 50%; transform: translateX(-50%); width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(245,166,35,.35), transparent 60%); pointer-events: none;
}
.cta-band h2 { position: relative; font-size: clamp(1.8rem, 3.5vw, 2.6rem); color: var(--cream); }
.cta-band p { position: relative; color: rgba(251,247,239,.8); max-width: 48ch; margin: 0 auto 28px; }
.cta-band .btn { position: relative; }

/* ---------- Disclosure & Footer ---------- */
.disclosure { background: var(--ink-2); color: rgba(251,247,239,.62); padding: 22px 0; font-size: .85rem; border-top: 1px solid var(--line-dark); }
.disclosure p { margin: 0; max-width: 900px; }

.site-footer { background: var(--ink); color: rgba(251,247,239,.7); padding: 60px 0 26px; }
.site-footer__grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.2fr; gap: 36px; padding-bottom: 36px; border-bottom: 1px solid var(--line-dark); }
.brand--footer .brand__text { color: var(--cream); }
.site-footer__brand p { margin-top: 14px; font-size: .92rem; max-width: 36ch; }
.site-footer__nav { display: flex; flex-direction: column; gap: 9px; }
.site-footer h4 { color: var(--cream); font-size: .82rem; text-transform: uppercase; letter-spacing: .1em; font-family: var(--font-mono); margin-bottom: 6px; }
.site-footer a { color: rgba(251,247,239,.7); font-size: .95rem; }
.site-footer a:hover { color: var(--amber-soft); }
.site-footer__contact a { display: inline-block; }
.site-footer__bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; padding-top: 22px; font-size: .85rem; }
.risk-chip { color: var(--amber-soft); font-family: var(--font-mono); font-size: .78rem; }

/* ---------- Page header (sub-pages) ---------- */
.page-hero { background: var(--ink); color: var(--cream); padding: 84px 0 70px; position: relative; overflow: hidden; }
.page-hero::before { content: ""; position: absolute; top: -30%; right: -5%; width: 520px; height: 520px; background: radial-gradient(circle, rgba(245,166,35,.4), transparent 62%); pointer-events: none; }
.page-hero__inner { position: relative; max-width: 720px; }
.page-hero h1 { font-size: clamp(2.1rem, 4.4vw, 3.2rem); margin-bottom: 16px; }
.page-hero p { font-size: 1.15rem; color: rgba(251,247,239,.82); margin: 0; }

/* ---------- Forms ---------- */
.field { margin-bottom: 18px; }
.field label { display: block; font-weight: 600; margin-bottom: 7px; font-size: .95rem; }
.field input, .field textarea, .field select {
  width: 100%; padding: 13px 15px; border: 1.5px solid var(--line); border-radius: var(--radius-sm);
  font: inherit; font-size: 16px; background: #fff; color: var(--text); transition: border .2s, box-shadow .2s;
}
.field textarea { min-height: 130px; resize: vertical; }
.field input:focus, .field textarea:focus, .field select:focus { outline: none; border-color: var(--amber); box-shadow: 0 0 0 4px rgba(245,166,35,.18); }
.form-note { font-size: .85rem; color: var(--text-muted); }

/* prose for legal pages */
.prose { max-width: 760px; }
.prose p { white-space: pre-line; color: var(--text); }

/* ---------- Scroll reveal ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s cubic-bezier(.2,.7,.2,1), transform .7s cubic-bezier(.2,.7,.2,1); }
.reveal.in { opacity: 1; transform: none; }
.reveal[data-d="1"] { transition-delay: .08s; }
.reveal[data-d="2"] { transition-delay: .16s; }
.reveal[data-d="3"] { transition-delay: .24s; }

/* ---------- Responsive ---------- */
@media (max-width: 920px) {
  .hero__inner, .split { grid-template-columns: 1fr; gap: 36px; }
  .split--reverse .split__media { order: 0; }
  .pillars, .providers { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .site-footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  body { font-size: 16px; }
  .section { padding: 64px 0; }
  .nav-toggle { display: flex; }
  .site-nav {
    position: fixed; inset: 72px 0 auto 0; flex-direction: column; align-items: stretch; gap: 0;
    background: var(--ink); padding: 14px 24px 24px; border-bottom: 1px solid var(--line-dark);
    transform: translateY(-130%); transition: transform .32s ease; box-shadow: var(--shadow-lg);
  }
  .site-nav.open { transform: translateY(0); }
  .site-nav a { padding: 14px 6px; border-bottom: 1px solid var(--line-dark); font-size: 17px; }
  .site-nav a.nav-cta { margin: 12px 0 0; text-align: center; }
  .hero__stats, .statrow { grid-template-columns: 1fr; }
  .flow { grid-template-columns: 1fr; gap: 16px; }
  .flow__arrow { transform: rotate(90deg); }
  .steps { grid-template-columns: 1fr; }
  .site-footer__grid { grid-template-columns: 1fr; }
  .cta-band { padding: 48px 26px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}