/* ==========================================================================
   Zolger Web Services  |  statikus bemutatkozo oldal
   Nincs build lepes: sima CSS, custom property tokenekkel.

   Alakzat-rendszer (kovetkezetesen, az egesz oldalon):
     gomb / input .......... 10px
     kartya / panel ........ 16px
     kis chip / badge ...... 8px

   Szinrendszer: egyetlen akcent (borostyan, a Zolger logo sarga arnyalatabol).
   Temak: rendszer szerint (auto), de kezi valtoval feluliszhato.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Betutipusok (self-hosted, nincs kulso font CDN)
   -------------------------------------------------------------------------- */

@font-face {
  font-family: 'Space Grotesk';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url('../fonts/spacegrotesk-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
    U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193,
    U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Space Grotesk';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url('../fonts/spacegrotesk-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF,
    U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020,
    U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Manrope';
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url('../fonts/manrope-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
    U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193,
    U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Manrope';
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url('../fonts/manrope-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF,
    U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020,
    U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

/* --------------------------------------------------------------------------
   2. Tokenek
   -------------------------------------------------------------------------- */

:root {
  --font-display: 'Space Grotesk', ui-sans-serif, system-ui, sans-serif;
  --font-body: 'Manrope', ui-sans-serif, system-ui, sans-serif;

  /* Teljes szelesseg: a tartalom a keperynyo szeleig er, csak a margo tartja meg. */
  --maxw: 100%;
  --gutter: clamp(1.15rem, 4.5vw, 4.5rem);

  --r-btn: 10px;
  --r-card: 16px;
  --r-chip: 8px;

  --sp-section: clamp(4.5rem, 9vw, 8rem);

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --dur: 0.65s;

  --z-nav: 40;
  --z-menu: 50;

  /* Sotet tema az alapertelmezes: a Zolger arculat sotet. */
  color-scheme: dark;
  --bg: #0d0d0f;
  --bg-2: #131317;
  --surface: #17171c;
  --surface-2: #1d1d23;
  --line: rgba(255, 255, 255, 0.11);
  --line-strong: rgba(255, 255, 255, 0.2);
  --fg: #f3f3f4;
  --fg-muted: #a3a3ae;
  --accent: #f0b429;
  --accent-text: #f5c04a;
  --accent-soft: rgba(240, 180, 41, 0.13);
  --on-accent: #16130a;
  --shadow: 0 24px 60px -24px rgba(0, 0, 0, 0.75);
  --img-filter: grayscale(1) contrast(1.06) brightness(0.82);
}

:root[data-theme='light'] {
  color-scheme: light;
  --bg: #f6f6f4;
  --bg-2: #eeeeeb;
  --surface: #ffffff;
  --surface-2: #f7f7f5;
  --line: rgba(22, 22, 26, 0.13);
  --line-strong: rgba(22, 22, 26, 0.26);
  --fg: #16161a;
  --fg-muted: #55555f;
  --accent: #f0b429;
  --accent-text: #85590a;
  --accent-soft: rgba(240, 180, 41, 0.18);
  --on-accent: #16130a;
  --shadow: 0 22px 50px -28px rgba(20, 20, 30, 0.35);
  --img-filter: grayscale(1) contrast(1.02) brightness(0.96);
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme]) {
    color-scheme: light;
    --bg: #f6f6f4;
    --bg-2: #eeeeeb;
    --surface: #ffffff;
    --surface-2: #f7f7f5;
    --line: rgba(22, 22, 26, 0.13);
    --line-strong: rgba(22, 22, 26, 0.26);
    --fg: #16161a;
    --fg-muted: #55555f;
    --accent-text: #85590a;
    --accent-soft: rgba(240, 180, 41, 0.18);
    --shadow: 0 22px 50px -28px rgba(20, 20, 30, 0.35);
    --img-filter: grayscale(1) contrast(1.02) brightness(0.96);
  }
}

/* --------------------------------------------------------------------------
   3. Alapok
   -------------------------------------------------------------------------- */

*,
*::before,
*::after {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: clamp(1rem, 0.97rem + 0.14vw, 1.075rem);
  line-height: 1.65;
  font-weight: 450;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  font-weight: 700;
  margin: 0;
  letter-spacing: -0.028em;
  line-height: 1.06;
  text-wrap: balance;
}

/* A meret ugy van beallitva, hogy a hero cime asztali gepen ket sor maradjon. */
h1 {
  font-size: clamp(2.25rem, 1.3rem + 3vw, 4.25rem);
}
h2 {
  font-size: clamp(1.85rem, 1.25rem + 2.2vw, 2.9rem);
}
h3 {
  font-size: clamp(1.1rem, 1.02rem + 0.35vw, 1.3rem);
  letter-spacing: -0.018em;
  line-height: 1.25;
}

p,
figure {
  margin: 0;
}

p {
  max-width: 62ch;
}

a {
  color: inherit;
}

img,
svg {
  display: block;
  max-width: 100%;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.icon {
  width: 1.25em;
  height: 1.25em;
  flex: none;
  fill: currentColor;
}

.skip-link {
  position: absolute;
  left: 0.75rem;
  top: -100%;
  z-index: 99;
  padding: 0.7rem 1.1rem;
  background: var(--accent);
  color: var(--on-accent);
  border-radius: var(--r-btn);
  font-weight: 700;
  text-decoration: none;
}
.skip-link:focus {
  top: 0.75rem;
}

.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section {
  padding-block: var(--sp-section);
}

.lead {
  color: var(--fg-muted);
  font-size: clamp(1.05rem, 1rem + 0.3vw, 1.2rem);
}

.muted {
  color: var(--fg-muted);
}

/* --------------------------------------------------------------------------
   4. Gombok
   -------------------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  white-space: nowrap;
  padding: 0.82rem 1.4rem;
  border-radius: var(--r-btn);
  border: 1px solid transparent;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.97rem;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.18s var(--ease), background-color 0.18s var(--ease),
    border-color 0.18s var(--ease), color 0.18s var(--ease);
}

.btn--primary {
  background: var(--accent);
  color: var(--on-accent);
}
.btn--primary:hover {
  background: #ffc543;
}

.btn--ghost {
  border-color: var(--line-strong);
  color: var(--fg);
  background: transparent;
}
.btn--ghost:hover {
  border-color: var(--fg);
  background: var(--surface);
}

.btn:active {
  transform: translateY(1px) scale(0.985);
}

.btn--sm {
  padding: 0.6rem 1.05rem;
  font-size: 0.9rem;
}

/* --------------------------------------------------------------------------
   5. Fejlec
   -------------------------------------------------------------------------- */

.nav {
  position: sticky;
  top: 0;
  z-index: var(--z-nav);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease), background-color 0.3s var(--ease);
}
.nav.is-stuck {
  border-bottom-color: var(--line);
}

.nav__inner {
  height: 68px;
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--fg);
  margin-right: auto;
}
.brand svg {
  height: 30px;
  width: auto;
}
.brand__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.02rem;
  letter-spacing: 0.14em;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2vw, 1.9rem);
}
.nav__links a {
  text-decoration: none;
  color: var(--fg-muted);
  font-size: 0.94rem;
  font-weight: 600;
  white-space: nowrap;
  transition: color 0.18s var(--ease);
}
.nav__links a:hover {
  color: var(--fg);
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--r-btn);
  border: 1px solid var(--line);
  background: transparent;
  color: var(--fg);
  cursor: pointer;
  transition: border-color 0.18s var(--ease), background-color 0.18s var(--ease);
}
.icon-btn:hover {
  border-color: var(--line-strong);
  background: var(--surface);
}
.icon-btn .icon {
  width: 20px;
  height: 20px;
}

/* A tema-valto ikonja mindig az elerheto masik temat mutatja. */
.theme-toggle .icon--moon {
  display: none;
}
:root[data-theme='light'] .theme-toggle .icon--moon {
  display: block;
}
:root[data-theme='light'] .theme-toggle .icon--sun {
  display: none;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme]) .theme-toggle .icon--moon {
    display: block;
  }
  :root:not([data-theme]) .theme-toggle .icon--sun {
    display: none;
  }
}

.nav__burger {
  display: none;
}

.nav__panel {
  display: none;
}

@media (max-width: 860px) {
  .nav__links,
  .nav__actions .btn {
    display: none;
  }
  .nav__burger {
    display: inline-flex;
  }

  .nav__panel {
    display: block;
    position: fixed;
    inset: 68px 0 auto 0;
    z-index: var(--z-menu);
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    padding: 1rem var(--gutter) 1.6rem;
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s var(--ease), transform 0.25s var(--ease),
      visibility 0.25s;
  }
  .nav__panel[data-open='true'] {
    opacity: 1;
    visibility: visible;
    transform: none;
  }
  .nav__panel a {
    display: block;
    padding: 0.85rem 0;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.05rem;
    border-bottom: 1px solid var(--line);
  }
  .nav__panel .btn {
    width: 100%;
    margin-top: 1.1rem;
  }
}

/* --------------------------------------------------------------------------
   6. Hero  (aszimmetrikus split)
   -------------------------------------------------------------------------- */

.hero {
  position: relative;
  padding-top: clamp(3rem, 6vw, 5.5rem);
  padding-bottom: clamp(3.5rem, 7vw, 6rem);
  overflow: hidden;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2.5rem, 5vw, 4rem);
  align-items: center;
}

@media (min-width: 900px) {
  .hero__grid {
    grid-template-columns: 1.25fr 0.75fr;
    gap: clamp(3rem, 5vw, 5rem);
  }
}

.hero h1 {
  margin-bottom: 1.35rem;
}

.hero__lead {
  margin-bottom: 2.1rem;
  max-width: 46ch;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.hero__media {
  position: relative;
  border-radius: var(--r-card);
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  aspect-ratio: 4 / 5;
  background: var(--surface);
}
.hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: var(--img-filter);
}
.hero__media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
      165deg,
      rgba(240, 180, 41, 0.22),
      transparent 55%
    ),
    linear-gradient(to top, var(--bg) 2%, transparent 60%);
  pointer-events: none;
}

@media (max-width: 899px) {
  .hero__media {
    aspect-ratio: 16 / 10;
  }
}

/* --------------------------------------------------------------------------
   7. Technologia sav
   -------------------------------------------------------------------------- */

.stack {
  border-block: 1px solid var(--line);
  background: var(--bg-2);
  padding-block: 1.6rem;
}
.stack__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: clamp(1.4rem, 3vw, 2.8rem);
}
.stack__label {
  font-size: 0.9rem;
  color: var(--fg-muted);
  font-weight: 600;
  margin-right: 0.4rem;
}
.stack__logos {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: clamp(1.4rem, 3.2vw, 2.9rem);
}
.stack__logos img {
  height: 26px;
  width: auto;
  opacity: 0.7;
  filter: invert(1);
  transition: opacity 0.2s var(--ease);
}
:root[data-theme='light'] .stack__logos img {
  filter: none;
  opacity: 0.55;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme]) .stack__logos img {
    filter: none;
    opacity: 0.55;
  }
}
.stack__logos img:hover {
  opacity: 1;
}

/* --------------------------------------------------------------------------
   8. Szolgaltatasok  (bento)
   -------------------------------------------------------------------------- */

.section__head {
  max-width: 54ch;
  margin-bottom: clamp(2.5rem, 4vw, 3.5rem);
}
.section__head p {
  margin-top: 1rem;
}

.bento {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 700px) {
  .bento {
    grid-template-columns: repeat(6, 1fr);
  }
  /* 6 elem, 6 cella: nincs ures hely a racsban. */
  .bento > :nth-child(1) {
    grid-column: span 4;
  }
  .bento > :nth-child(2) {
    grid-column: span 2;
  }
  .bento > :nth-child(3) {
    grid-column: span 3;
  }
  .bento > :nth-child(4) {
    grid-column: span 3;
  }
  .bento > :nth-child(5) {
    grid-column: span 2;
  }
  .bento > :nth-child(6) {
    grid-column: span 4;
  }
}

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  padding: clamp(1.4rem, 2.4vw, 2rem);
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  background: var(--surface);
  min-height: 200px;
  overflow: hidden;
  isolation: isolate;
}
.card p {
  color: var(--fg-muted);
  font-size: 0.98rem;
}
.card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: var(--r-chip);
  background: var(--accent-soft);
  color: var(--accent-text);
  margin-bottom: 0.35rem;
}
.card__icon .icon {
  width: 22px;
  height: 22px;
}

/* Kepes cella */
.card--photo {
  justify-content: flex-end;
  min-height: 300px;
  border-color: transparent;
}
.card--photo img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: var(--img-filter);
  z-index: -2;
}
.card--photo::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(to top, rgba(8, 8, 10, 0.94), rgba(8, 8, 10, 0.3));
}
.card--photo,
.card--photo p {
  color: #f3f3f4;
}
.card--photo .card__icon {
  background: rgba(255, 255, 255, 0.14);
  color: #ffd471;
}

/* Akcentes cella */
.card--accent {
  background: linear-gradient(150deg, var(--accent) 0%, #e39b12 100%);
  border-color: transparent;
  color: var(--on-accent);
}
.card--accent p {
  color: rgba(22, 19, 10, 0.78);
}
.card--accent .card__icon {
  background: rgba(22, 19, 10, 0.13);
  color: var(--on-accent);
}

/* Mintas cella */
.card--pattern {
  background: var(--surface-2);
}
.card--pattern::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0.5;
  background-image: radial-gradient(
    currentColor 1px,
    transparent 1.2px
  );
  background-size: 16px 16px;
  color: var(--line-strong);
  mask-image: linear-gradient(to bottom left, #000, transparent 62%);
  -webkit-mask-image: linear-gradient(to bottom left, #000, transparent 62%);
}

/* --------------------------------------------------------------------------
   9. AI sav
   -------------------------------------------------------------------------- */

.ai {
  background: var(--bg-2);
  border-block: 1px solid var(--line);
}
.ai__head {
  max-width: 22ch;
}
.ai__body {
  margin-top: 1.3rem;
  max-width: 58ch;
}
.ai__points {
  margin-top: clamp(2.5rem, 5vw, 3.75rem);
  display: grid;
  gap: 0;
  grid-template-columns: 1fr;
}
@media (min-width: 820px) {
  .ai__points {
    grid-template-columns: repeat(3, 1fr);
  }
}
.ai__point {
  padding: 1.6rem 0;
  border-top: 1px solid var(--line);
}
@media (min-width: 820px) {
  .ai__point {
    padding: 0 clamp(1.2rem, 2.5vw, 2.2rem);
    border-top: none;
    border-left: 1px solid var(--line);
  }
  .ai__point:first-child {
    padding-left: 0;
    border-left: none;
  }
}
.ai__point svg {
  width: 26px;
  height: 26px;
  color: var(--accent-text);
  fill: currentColor;
  margin-bottom: 0.85rem;
}
.ai__point h3 {
  margin-bottom: 0.45rem;
}
.ai__point p {
  color: var(--fg-muted);
  font-size: 0.98rem;
}

/* --------------------------------------------------------------------------
   10. Munkamenet
   -------------------------------------------------------------------------- */

.process__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2.2rem, 4vw, 3.5rem);
}
@media (min-width: 900px) {
  .process__grid {
    grid-template-columns: 0.8fr 1.2fr;
    gap: clamp(3rem, 6vw, 5rem);
  }
  .process__aside {
    position: sticky;
    top: 120px;
    align-self: start;
  }
}
.process__aside p {
  margin-top: 1rem;
  color: var(--fg-muted);
}

.process__list > li {
  padding-block: clamp(1.6rem, 3vw, 2.2rem);
  border-top: 1px solid var(--line);
}
.process__list > li:last-child {
  border-bottom: 1px solid var(--line);
}
.process__list h3 {
  margin-bottom: 0.6rem;
}
.process__list p {
  color: var(--fg-muted);
}

/* --------------------------------------------------------------------------
   11. Rolam
   -------------------------------------------------------------------------- */

.about {
  background: var(--bg-2);
  border-block: 1px solid var(--line);
}
.about__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2.2rem, 4vw, 3.5rem);
  align-items: center;
}
@media (min-width: 900px) {
  .about__grid {
    grid-template-columns: 0.85fr 1.15fr;
    gap: clamp(3rem, 5vw, 4.5rem);
  }
}
.about__photo {
  position: relative;
  border-radius: var(--r-card);
  overflow: hidden;
  border: 1px solid var(--line);
  aspect-ratio: 4 / 3;
}
.about__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: var(--img-filter);
}
.about__text h2 {
  margin-bottom: 1.2rem;
}
.about__text p + p {
  margin-top: 1.05rem;
}
.about__text p {
  color: var(--fg-muted);
}
.about__sign {
  margin-top: 1.8rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--fg);
}
.about__sign svg {
  height: 34px;
  width: auto;
  color: var(--accent-text);
}
.about__sign span {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
}

/* --------------------------------------------------------------------------
   12. Kapcsolat
   -------------------------------------------------------------------------- */

.contact {
  text-align: center;
}
.contact h2 {
  margin-bottom: 1.1rem;
}
.contact > .wrap > p {
  margin-inline: auto;
  max-width: 48ch;
}

/* Elso korben az e-mail a fo ut: ez kapja a hangsulyt, a telefon marad mellette. */
.contact__mail {
  margin-top: clamp(2.2rem, 4vw, 3rem);
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 0.95rem + 0.55vw, 1.4rem);
  letter-spacing: -0.01em;
  padding: 1.05rem 1.9rem;
}
.contact__mail .icon {
  width: 1.15em;
  height: 1.15em;
}

.contact__alt {
  margin: 1.2rem auto 0;
  color: var(--fg-muted);
  font-size: 0.98rem;
}
.contact__alt a {
  color: var(--fg);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: var(--line-strong);
  transition: text-decoration-color 0.18s var(--ease);
}
.contact__alt a:hover {
  text-decoration-color: var(--accent);
}

.contact__social {
  margin-top: 1.8rem;
  display: flex;
  justify-content: center;
  gap: 0.6rem;
}

/* --------------------------------------------------------------------------
   13. Lablec
   -------------------------------------------------------------------------- */

.footer {
  border-top: 1px solid var(--line);
  padding-block: 2.4rem;
  background: var(--bg-2);
}
.footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 1.75rem;
  justify-content: space-between;
  font-size: 0.9rem;
  color: var(--fg-muted);
}
.footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
}
.footer__links a {
  text-decoration: none;
  transition: color 0.18s var(--ease);
}
.footer__links a:hover {
  color: var(--fg);
}

/* --------------------------------------------------------------------------
   14. Mozgas
   -------------------------------------------------------------------------- */

[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
  transition-delay: var(--d, 0s);
}
[data-reveal].is-in {
  opacity: 1;
  transform: none;
}

[data-d='1'] {
  --d: 0.07s;
}
[data-d='2'] {
  --d: 0.14s;
}
[data-d='3'] {
  --d: 0.21s;
}
[data-d='4'] {
  --d: 0.28s;
}
[data-d='5'] {
  --d: 0.35s;
}

/* Ha a felhasznalo kevesebb mozgast ker, minden azonnal a helyen van. */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  [data-reveal] {
    opacity: 1;
    transform: none;
  }
}

/* JS nelkul is lathato marad minden. */
.no-js [data-reveal] {
  opacity: 1;
  transform: none;
}

/* Az ankor-cel ne bujjon a ragados fejlec ala. */
[id] {
  scroll-margin-top: 90px;
}

/* --------------------------------------------------------------------------
   15. Segedelemek
   -------------------------------------------------------------------------- */

/* Beagyazott ikonkeszlet: nem latszik, csak hivatkozunk ra. */
.sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

/* A fejlec elvalasztojahoz kell egy fogodzo az oldal tetejen. */
.scroll-sentinel {
  position: absolute;
  top: 0;
  left: 0;
  width: 1px;
  height: 1px;
  pointer-events: none;
}

@media (prefers-reduced-transparency: reduce) {
  .nav {
    background: var(--bg);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }
}