:root {
  --silver: #d9dde2;
  --silver-strong: #f1f3f5;
  --silver-soft: #bfc5cc;
  --cream: #f5f1ea;
  --page-x: clamp(22px, 5.8vw, 92px);
  --page-y: clamp(24px, 4.2vh, 52px);
  --app-height: 100vh;
}

* { box-sizing: border-box; }

html {
  background: #07090c;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  min-height: var(--app-height);
  color: var(--cream);
  font-family: Georgia, "Times New Roman", serif;
  overflow-x: hidden;
}

/*
  A háttér külön, fix viewport-rétegként működik. Emiatt böngésző-zoomnál
  a szöveg skálázódik és újratördelődik, a háttér pedig nem a tartalommal
  együtt nagyítódik: továbbra is a teljes viewportot tölti ki.
*/
.page-bg {
  position: fixed;
  inset: 0;
  z-index: -3;
  width: 100vw;
  height: var(--app-height);
  object-fit: cover;
  object-position: center center;
  pointer-events: none;
  user-select: none;
}

.page-shade {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(3, 5, 8, .64) 0%, rgba(3, 5, 8, .47) 43%, rgba(3, 5, 8, .12) 68%, rgba(3, 5, 8, .03) 100%),
    linear-gradient(180deg, rgba(0,0,0,.03) 0%, rgba(0,0,0,.00) 54%, rgba(0,0,0,.30) 100%);
}

.page-shell {
  width: 100%;
  min-height: var(--app-height);
  display: flex;
  flex-direction: column;
  padding: var(--page-y) var(--page-x) clamp(28px, 4vh, 46px);
}

.brand-wrap {
  width: min(430px, 46vw);
  margin-left: clamp(100px, 10vw, 170px);
}

.brand-logo {
  display: block;
  width: 100%;
  height: auto;
}

.hero {
  flex: 1;
  display: flex;
  align-items: flex-start;
  padding-top: clamp(20px, 2.2vh, 34px);
}

.hero-copy {
  width: min(820px, 62vw);
}

h1, h2, h3, p { margin-top: 0; }

.hero h1 {
  margin-bottom: 0;
  color: var(--silver-strong);
  font-size: clamp(54px, 6.2vw, 94px);
  line-height: .93;
  font-weight: 700;
  letter-spacing: .035em;
  text-shadow: 0 2px 18px rgba(0,0,0,.48);
}

.hero-kicker {
  margin: 6px 0 12px clamp(82px, 7.8vw, 132px);
  color: var(--silver-strong);
  font-size: clamp(26px, 3.05vw, 47px);
  line-height: 1;
  letter-spacing: .36em;
  white-space: nowrap;
  text-shadow: 0 2px 14px rgba(0,0,0,.42);
}

.metal-rule {
  width: min(320px, 43%);
  height: 2px;
  margin: 14px 0 28px clamp(170px, 16.8vw, 270px);
  background: linear-gradient(90deg, transparent, var(--silver), transparent);
}

.hero h2 {
  margin-bottom: 12px;
  color: var(--silver-strong);
  font-size: clamp(24px, 2.25vw, 38px);
  line-height: 1.12;
  letter-spacing: .055em;
  text-shadow: 0 2px 12px rgba(0,0,0,.58);
}

.lead {
  margin-bottom: 18px;
  font-size: clamp(21px, 1.95vw, 31px);
  line-height: 1.2;
  color: #fff;
  text-shadow: 0 2px 12px rgba(0,0,0,.62);
}

.intro {
  max-width: 760px;
  margin-bottom: 24px;
  color: #f3f3f2;
  font-size: clamp(17px, 1.55vw, 25px);
  line-height: 1.35;
  text-shadow: 0 2px 12px rgba(0,0,0,.62);
}

.features {
  width: min(760px, 100%);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(16px, 2.2vw, 36px);
  margin-top: 10px;
}

.feature {
  text-align: center;
  min-width: 0;
}

.feature-icon {
  width: clamp(62px, 5.5vw, 88px);
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  margin: 0 auto 10px;
  border: 2px solid var(--silver);
  border-radius: 50%;
  background: rgba(8, 10, 13, .12);
  box-shadow: 0 2px 14px rgba(0,0,0,.20);
}

.feature-icon svg {
  width: 66%;
  height: 66%;
  fill: none;
  stroke: var(--silver-strong);
  stroke-width: 2.4;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.feature:first-child .feature-icon svg path {
  fill: var(--silver-strong);
  stroke: none;
}

.feature h3 {
  margin-bottom: 6px;
  color: var(--silver-strong);
  font-size: clamp(14px, 1.17vw, 19px);
  line-height: 1.28;
  letter-spacing: .03em;
  text-shadow: 0 2px 10px rgba(0,0,0,.55);
}

.feature p {
  margin-bottom: 0;
  color: var(--cream);
  font-size: clamp(14px, 1.1vw, 18px);
  line-height: 1.26;
  text-shadow: 0 2px 10px rgba(0,0,0,.55);
}

.contact-panel {
  display: grid;
  grid-template-columns: minmax(0, .92fr) minmax(500px, 1.08fr);
  gap: 0;
  align-items: center;
  margin-top: clamp(18px, 2.7vh, 34px);
  padding-top: 24px;
  border-top: 2px solid rgba(219, 224, 229, .88);
}

.cta-copy {
  padding: 4px 42px 2px 46px;
}

.cta-copy h2 {
  margin-bottom: 8px;
  color: var(--silver-strong);
  font-size: clamp(26px, 2.65vw, 42px);
  line-height: 1.05;
  letter-spacing: .05em;
  text-shadow: 0 2px 12px rgba(0,0,0,.58);
}

.cta-copy p {
  margin: 0;
  font-size: clamp(17px, 1.5vw, 24px);
  line-height: 1.35;
  text-shadow: 0 2px 10px rgba(0,0,0,.55);
}

.contact-links {
  min-height: 116px;
  padding: 6px 0 6px clamp(34px, 3vw, 52px);
  border-left: 2px solid rgba(219, 224, 229, .88);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 16px;
}

.contact-link {
  width: fit-content;
  max-width: 100%;
  display: inline-flex;
  align-items: center;
  gap: 22px;
  color: var(--cream);
  text-decoration: none;
  font-size: clamp(18px, 1.7vw, 28px);
  line-height: 1.1;
  transition: color .18s ease, transform .18s ease;
  text-shadow: 0 2px 10px rgba(0,0,0,.55);
}

.contact-link:hover,
.contact-link:focus-visible {
  color: var(--silver-strong);
  transform: translateX(3px);
}

.contact-phone {
  color: var(--silver-strong);
  font-size: clamp(28px, 2.75vw, 44px);
}

.contact-icon {
  flex: 0 0 auto;
  width: clamp(38px, 3.2vw, 50px);
  height: clamp(38px, 3.2vw, 50px);
  display: grid;
  place-items: center;
}

.contact-icon svg {
  width: 100%;
  height: 100%;
  fill: none;
  stroke: var(--silver-strong);
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

@media (max-width: 1180px) {
  .brand-wrap { margin-left: 5vw; }
  .hero-copy { width: min(760px, 68vw); }
  .contact-panel { grid-template-columns: 1fr 1fr; }
  .cta-copy { padding-left: 0; }
}

@media (max-width: 900px) {
  .page-shade {
    background:
      linear-gradient(90deg, rgba(3,5,8,.76), rgba(3,5,8,.45) 68%, rgba(3,5,8,.14)),
      linear-gradient(180deg, rgba(0,0,0,.04), rgba(0,0,0,.38));
  }

  .brand-wrap {
    width: min(380px, 64vw);
    margin-left: 0;
  }

  .hero-copy { width: min(700px, 82vw); }
  .hero-kicker { margin-left: clamp(40px, 8vw, 86px); }
  .metal-rule { margin-left: clamp(90px, 16vw, 180px); }

  .contact-panel {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .cta-copy { padding: 0; }
  .contact-links {
    min-height: 0;
    border-left: 0;
    border-top: 1px solid rgba(219,224,229,.58);
    padding: 18px 0 0;
  }
}

@media (max-width: 680px) {
  :root {
    --page-x: 20px;
    --page-y: 24px;
  }

  .page-bg {
    object-position: 67% center;
  }

  .page-shade {
    background:
      linear-gradient(90deg, rgba(3,5,8,.90) 0%, rgba(3,5,8,.70) 72%, rgba(3,5,8,.38) 100%),
      linear-gradient(180deg, rgba(0,0,0,.10) 0%, rgba(0,0,0,.22) 55%, rgba(0,0,0,.54) 100%);
  }

  .page-shell {
    min-height: var(--app-height);
    padding-bottom: 24px;
  }

  .brand-wrap { width: min(330px, 83vw); }

  .hero { padding-top: 28px; }
  .hero-copy { width: 100%; }

  .hero h1 {
    font-size: clamp(46px, 13.5vw, 72px);
    letter-spacing: .02em;
  }

  .hero-kicker {
    margin: 6px 0 14px 0;
    font-size: clamp(22px, 7vw, 34px);
    letter-spacing: .19em;
    white-space: normal;
  }

  .metal-rule {
    width: 44%;
    margin: 0 0 26px 28%;
  }

  .hero h2 { font-size: clamp(22px, 6.4vw, 31px); }
  .lead { font-size: clamp(20px, 5.6vw, 27px); }
  .intro { font-size: clamp(17px, 4.7vw, 21px); }
  .desktop-break { display: none; }

  .features {
    grid-template-columns: 1fr;
    width: min(420px, 100%);
    gap: 22px;
    margin-top: 30px;
  }

  .feature {
    display: grid;
    grid-template-columns: 72px 1fr;
    grid-template-rows: auto auto;
    column-gap: 16px;
    align-items: center;
    text-align: left;
  }

  .feature-icon {
    grid-row: 1 / 3;
    width: 72px;
    margin: 0;
  }

  .feature h3 {
    align-self: end;
    margin-bottom: 4px;
    font-size: 16px;
  }

  .feature p {
    align-self: start;
    font-size: 15px;
  }

  .contact-panel {
    margin-top: 36px;
    padding-top: 22px;
  }

  .cta-copy h2 { font-size: clamp(28px, 8vw, 38px); }
  .cta-copy p { font-size: 17px; }

  .contact-link {
    width: 100%;
    gap: 14px;
    font-size: clamp(15px, 4.25vw, 19px);
    overflow-wrap: anywhere;
  }

  .contact-phone { font-size: clamp(27px, 8.2vw, 38px); }
}

@media (max-width: 390px) {
  .feature {
    grid-template-columns: 60px 1fr;
    column-gap: 12px;
  }
  .feature-icon { width: 60px; }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; }
  .contact-link { transition: none; }
}