/* =========================================================
   EV-Alap bemutató oldal — Prémium (ev-landings design rendszer)
   Egy CSS, semmi külső függőség (Google Fonts kivételével).
   ========================================================= */

:root {
  color-scheme: dark;

  /* ─ Színek ─ */
  --bg: #0a0a0c;
  --bg-elev: #111114;
  --bg-elev-2: #16161a;
  --card: #131316;
  --card-hover: #1a1a1e;

  --border: #1f1f23;
  --border-strong: #2a2a2e;
  --border-cell: #232327;

  --text: #fafafa;
  --text-muted: #a1a1aa;
  --text-dim: #8b8b94;

  /* Kiemelő szín — alapértelmezett: rose. Cseréld a saját brandedre. */
  --accent: #d4a5b5;
  --accent-soft: rgba(212, 165, 181, 0.10);
  --accent-strong: #e0b8c5;
  --accent-glow: rgba(212, 165, 181, 0.32);

  /* ─ Tipográfia ─ */
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-serif: "Instrument Serif", Georgia, "Times New Roman", serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;

  /* ─ Térközök ─ */
  --gutter: 32px;
  --max-width: 1280px;

  /* ─ Mozgás (editorial expo-out) ─ */
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --t-fast: 220ms;
  --t-mid: 280ms;
  --t-slow: 360ms;
}

/* ─ Alapok ─ */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-feature-settings: "cv11", "ss01";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  letter-spacing: -0.011em;
  line-height: 1.6;
}
body {
  min-height: 100vh;
  min-height: 100dvh;
  overflow-x: hidden;
  overscroll-behavior-x: contain;
  position: relative;
}

a, button {
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }
ul { padding: 0; margin: 0; list-style: none; }

::selection { background: var(--accent); color: var(--bg); }
a { color: inherit; text-decoration: none; transition: color var(--t-fast) var(--ease); }

*:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 2px;
}

/* ─ Skip link ─ */
.skip-link {
  position: absolute;
  top: -48px; left: 16px;
  background: var(--accent);
  color: var(--bg);
  padding: 0.6rem 1rem;
  font-size: 13px;
  font-weight: 600;
  z-index: 200;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.skip-link:focus { top: 16px; }

/* ────────── Háttér effektek (fixed, behind content) ────────── */

.bg-fx-grain {
  position: fixed; inset: 0;
  pointer-events: none;
  opacity: 0.018;
  mix-blend-mode: overlay;
  z-index: 2;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='300' height='300'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 1 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  background-size: 220px 220px;
}
.bg-fx-glow-tl {
  position: fixed; inset: 0;
  pointer-events: none;
  background: radial-gradient(ellipse 800px 600px at 0% 0%, var(--accent-glow) 0%, rgba(0,0,0,0) 60%);
  opacity: 0.22;
  mix-blend-mode: lighten;
  z-index: 3;
}
.bg-fx-vignette {
  position: fixed; inset: 0;
  pointer-events: none;
  background: radial-gradient(ellipse 700px 500px at 100% 100%, var(--accent-glow) 0%, rgba(0,0,0,0) 55%);
  opacity: 0.18;
  mix-blend-mode: lighten;
  z-index: 3;
}

/* ────────── Layout ────────── */

main.shell {
  position: relative;
  z-index: 10;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--gutter);
  padding-left: max(var(--gutter), env(safe-area-inset-left));
  padding-right: max(var(--gutter), env(safe-area-inset-right));
}

/* ─ Grid border-cell rendszer ─ */
.g {
  display: grid;
  border-top: 1px solid var(--border-cell);
  border-bottom: 1px solid var(--border-cell);
}
.g-header { grid-template-columns: 1.4fr 1fr 1fr; }
.g-feat   { grid-template-columns: repeat(3, 1fr); }
.g-foot   { grid-template-columns: 1.2fr 1fr 1fr; }

.gc {
  position: relative;
  padding: 22px;
  border-right: 1px solid var(--border-cell);
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  gap: 6px;
  min-height: 92px;
  transition: background var(--t-fast) var(--ease);
}
.gc:last-child { border-right: none; }

.gc-link { cursor: pointer; }
.gc-link::after {
  content: "";
  position: absolute;
  inset: 4px;
  background: var(--accent);
  opacity: 0;
  pointer-events: none;
  clip-path: inset(0 100% 0 0);
  transition: opacity var(--t-mid) var(--ease), clip-path var(--t-mid) var(--ease);
}
.gc-link:hover::after { opacity: 0.07; clip-path: inset(0 0 0 0); }

/* ─ Mobile header ─ */
.mobile-bar {
  display: none;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border: 1px solid var(--border-cell);
  gap: 12px;
}
.mobile-bar-brand { display: flex; align-items: center; min-height: 44px; }
.mobile-nav { display: flex; align-items: center; gap: 8px; }
.mobile-nav a {
  min-width: 44px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text);
  opacity: 0.7;
  transition: opacity var(--t-fast) ease, color var(--t-fast) ease;
  background: transparent;
  border: 1px solid transparent;
  cursor: pointer;
  padding: 8px;
}
.mobile-nav a:hover { opacity: 1; color: var(--accent); }
.mobile-nav a:focus-visible { border-color: var(--accent); opacity: 1; }

/* ─ Brand logo ─ */
.brand-logo {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 38px;
  line-height: 0.96;
  letter-spacing: 0.005em;
  color: var(--text);
  display: inline-block;
  mix-blend-mode: plus-lighter;
}
.brand-logo--sm { font-size: 26px; }

/* ─ Mono label ─ */
.label-sm {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
}
/* ────────── Hero ────────── */

.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: clamp(96px, 14vh, 160px) 24px 80px;
  gap: 24px;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 14px;
  border: 1px solid var(--border-cell);
  background: var(--bg-elev);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 8px;
}
.hero-eyebrow .dot {
  display: inline-block;
  width: 5px; height: 5px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent-glow);
}

.hero h1 {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(2.25rem, 4.6vw, 4.25rem);
  line-height: 1.08;
  letter-spacing: -0.018em;
  color: var(--text);
  max-width: 28ch;
  text-wrap: balance;
  margin: 0;
}
.hero h1 em {
  font-style: italic;
  color: var(--accent-strong);
}

.hero .lede {
  font-size: 1.125rem;
  line-height: 1.65;
  color: var(--text-muted);
  max-width: 60ch;
  margin: 0 auto;
}

.cta-stack {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  margin-top: 20px;
}
.hero-jelzes {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin: 0;
}

/* ────────── Gombok ────────── */

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background: var(--accent);
  color: var(--bg);
  border: 1px solid var(--accent);
  border-radius: 2px;
  cursor: pointer;
  transition: all var(--t-mid) var(--ease);
  min-height: 48px;
  box-shadow: 0 8px 24px -8px var(--accent-glow);
}
.btn-primary:hover {
  background: var(--accent-strong);
  border-color: var(--accent-strong);
  color: var(--bg);
  transform: translateY(-2px);
  box-shadow: 0 12px 32px -8px var(--accent-glow);
}
.btn-primary:active { transform: translateY(0); }
.btn-large { padding: 18px 40px; font-size: 14px; min-height: 56px; }

/* ────────── Section heads ────────── */

.section-head {
  padding: 36px 22px 18px;
  border-top: 1px solid var(--border-cell);
  display: flex;
  align-items: baseline;
  gap: 16px;
  flex-wrap: wrap;
}
.section-head .label-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--accent);
  text-transform: uppercase;
  mix-blend-mode: plus-lighter;
}
.section-head .label-lg {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(1.5rem, 2.4vw, 2.25rem);
  line-height: 1.1;
  letter-spacing: -0.012em;
  color: var(--text);
  font-style: normal;
  margin: 0;
}
.section-head .label-lg em {
  font-style: italic;
  color: var(--accent-strong);
}

/* ────────── Features grid (3 oszlop) ────────── */

.features-wrap {
  border-bottom: 1px solid var(--border-cell);
}
.feat-cell {
  position: relative;
  padding: 28px 22px 32px;
  border-right: 1px solid var(--border-cell);
  border-bottom: 1px solid var(--border-cell);
}
.feat-cell:nth-child(3n) { border-right: none; }
.feat-cell:nth-last-child(-n+3) { border-bottom: none; }
.feat-cell::after {
  content: "";
  position: absolute;
  inset: 4px;
  background: var(--accent);
  opacity: 0;
  pointer-events: none;
  clip-path: inset(0 100% 0 0);
  transition: opacity var(--t-mid) var(--ease), clip-path var(--t-mid) var(--ease);
}
.feat-cell:hover::after { opacity: 0.05; clip-path: inset(0 0 0 0); }

.feat-eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--text);
  text-transform: uppercase;
  margin: 0 0 14px;
  font-weight: 500;
  mix-blend-mode: plus-lighter;
}
.feat-body {
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-muted);
  margin: 0;
}

/* ────────── Demo row (két oszlop: szöveg + art) ────────── */

.demo-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 1px solid var(--border-cell);
  border-top: none;
}
.demo-row > * {
  border-right: 1px solid var(--border-cell);
}
.demo-row > *:last-child { border-right: none; }

.demo-text {
  padding: 40px 32px;
  display: flex;
  align-items: center;
}
.demo-text .lede {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--text-muted);
  margin: 0;
}

/* ─ Ár info bal oldali cella ─ */
.ar-info {
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 18px;
}
.ar-cim-mono {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--accent);
  text-transform: uppercase;
  margin: 0;
  mix-blend-mode: plus-lighter;
}
.ar-osszeg-serif {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(2.5rem, 5vw, 4rem);
  line-height: 1;
  letter-spacing: -0.012em;
  color: var(--text);
  margin: 0;
}
.ar-jegyzet {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-dim);
  margin: 0;
}

/* ────────── Art blokk (jobb cella) ────────── */

.art {
  position: relative;
  background: var(--bg-elev);
  overflow: hidden;
  min-height: 320px;
}
.art::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 80% at 30% 20%, var(--accent-glow), transparent 60%),
    radial-gradient(ellipse 90% 70% at 80% 90%, var(--accent-soft), transparent 70%),
    linear-gradient(135deg, transparent 30%, var(--accent-soft) 80%);
  mix-blend-mode: lighten;
}
.art::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.035;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='300' height='300'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.7' numOctaves='3' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 1 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  mix-blend-mode: overlay;
}
.art-letter {
  position: absolute;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(140px, 30vw, 360px);
  line-height: 0.84;
  color: var(--accent);
  opacity: 0.22;
  letter-spacing: -0.05em;
  bottom: -8%;
  left: -4%;
  pointer-events: none;
  mix-blend-mode: screen;
  user-select: none;
}
.art-name {
  position: absolute;
  top: 18px;
  left: 22px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.32em;
  color: var(--accent);
  text-transform: uppercase;
  opacity: 0.85;
  mix-blend-mode: plus-lighter;
}
.art-label {
  position: absolute;
  right: 18px; bottom: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--accent);
  text-transform: uppercase;
  z-index: 2;
  mix-blend-mode: plus-lighter;
}

/* ────────── Szakasz szöveg (Miért én) ────────── */

.szakasz-text {
  padding: 40px 22px 60px;
  border-bottom: 1px solid var(--border-cell);
}
.szakasz-text .lede {
  font-size: 1.125rem;
  line-height: 1.75;
  color: var(--text-muted);
  max-width: 64ch;
  margin: 0;
}

/* ────────── Záró CTA ────────── */

.cta-final {
  padding: 56px 22px 80px;
  text-align: center;
  border-bottom: 1px solid var(--border-cell);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
}
.cta-final .lede {
  font-size: 1.125rem;
  line-height: 1.65;
  color: var(--text-muted);
  max-width: 52ch;
  margin: 0;
}
.cta-jegyzet {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin: 0;
}

/* ────────── Footer ────────── */

.foot {
  font-family: var(--font-mono);
  max-width: var(--max-width);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
  padding-bottom: env(safe-area-inset-bottom, 0);
  position: relative;
  z-index: 10;
}
.foot .label-sm.dim { opacity: 0.7; }
.foot .accent { color: var(--accent); mix-blend-mode: plus-lighter; }

/* ────────── Responsive ────────── */

@media (max-width: 1024px) {
  :root { --gutter: 20px; }
  .g-header { display: none; }
  .mobile-bar { display: flex; }

  .demo-row { grid-template-columns: 1fr; }
  .demo-row > *:first-child {
    border-right: none;
    border-bottom: 1px solid var(--border-cell);
  }

  .g-feat { grid-template-columns: repeat(2, 1fr); }
  .feat-cell:nth-child(3n) { border-right: 1px solid var(--border-cell); }
  .feat-cell:nth-child(2n) { border-right: none; }
  .feat-cell:nth-last-child(-n+3) { border-bottom: 1px solid var(--border-cell); }
  .feat-cell:last-child { border-bottom: none; }

  .g-foot { grid-template-columns: 1fr 1fr; }

  .hero { padding: 56px 16px 40px; }
  .hero h1 { font-size: clamp(34px, 5.5vw, 56px); }

  .art { min-height: 260px; }
}

@media (max-width: 768px) {
  .bg-fx-vignette { display: none; }
  .bg-fx-grain { opacity: 0.012; }

  .hero { padding: 32px 16px 32px; }
  .hero h1 {
    font-size: clamp(28px, 7.6vw, 44px);
    line-height: 1.0;
    letter-spacing: -0.02em;
    max-width: 18ch;
  }
  .hero .lede { font-size: clamp(15px, 3.6vw, 17px); }
  .feat-body { font-size: clamp(14px, 3.4vw, 16px); }

  .section-head { padding: 28px 18px 14px; }
  .section-head .label-lg { font-size: clamp(1.25rem, 5vw, 1.75rem); }

  .demo-text, .ar-info { padding: 32px 22px; }
  .ar-osszeg-serif { font-size: clamp(2rem, 8vw, 3rem); }
}

@media (max-width: 540px) {
  :root { --gutter: 14px; }

  .g-feat { grid-template-columns: 1fr; }
  .feat-cell { border-right: none !important; }
  .feat-cell:nth-last-child(-n+3) { border-bottom: 1px solid var(--border-cell); }
  .feat-cell:last-child { border-bottom: none; }

  .g-foot { grid-template-columns: 1fr; }
  .g-foot .gc { border-right: none; border-bottom: 1px solid var(--border-cell); }
  .g-foot .gc:last-child { border-bottom: none; }

  .brand-logo { font-size: 30px; }

  .art-letter {
    font-size: clamp(120px, 50vw, 200px);
    bottom: -6%;
    opacity: 0.18;
  }
}

/* ────────── Reduced motion ────────── */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}