/* =========================================================
   K-GÉV Generál Kft. — Design system & layout
   ========================================================= */

:root {
  /* Brand palette (a meglévő logóból: sötétzöld ház-kontúr, zöld gradiens tetőcserép) */
  --color-forest-900: #0f2e1d;
  --color-forest-800: #163d27;
  --color-forest-700: #1d4f33;
  --color-forest-600: #276b44;
  --color-forest-500: #35895a;
  --color-forest-100: #e6f0e9;

  --color-sand-50: #faf8f4;
  --color-sand-100: #f3efe7;
  --color-sand-200: #e8e1d3;

  --color-ink-900: #1b1b18;
  --color-ink-700: #3a3a35;
  --color-ink-500: #6b6a63;

  --color-brick-600: #b5551a;
  --color-brick-500: #d06b25;

  --color-white: #ffffff;

  --font-display: "Georgia", "Iowan Old Style", "Palatino Linotype", serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  --radius-sm: 6px;
  --radius-md: 14px;
  --radius-lg: 28px;

  --shadow-md: 0 12px 30px -12px rgba(15, 46, 29, 0.35);
  --shadow-lg: 0 24px 60px -20px rgba(15, 46, 29, 0.45);

  --container-w: 1400px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-ink-900);
  background: var(--color-sand-50);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { font-family: var(--font-display); margin: 0 0 0.5em; line-height: 1.15; color: var(--color-forest-900); }
p { margin: 0 0 1em; color: var(--color-ink-700); line-height: 1.7; }
ul { margin: 0; padding: 0; }
button { font-family: inherit; cursor: pointer; }

.container {
  width: min(92%, var(--container-w));
  margin-inline: auto;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-forest-600);
  margin-bottom: 0.9em;
}
.eyebrow::before { content: "◆"; font-size: 0.7em; color: var(--color-brick-500); }

.section-head { max-width: 640px; margin-bottom: 3rem; }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head h2 { font-size: clamp(1.9rem, 3.2vw, 2.7rem); }
.section-head p { font-size: 1.05rem; }

section { position: relative; }
.pad { padding: clamp(4rem, 8vw, 7rem) 0; }

/* placeholder marker for content the ügyfél still needs to finalize */
.tbd {
  outline: 1px dashed var(--color-brick-500);
  outline-offset: 4px;
  background: repeating-linear-gradient(45deg, rgba(208,107,37,.06) 0 10px, transparent 10px 20px);
}
.tbd::after {
  content: "PONTOSÍTANDÓ SZÖVEG";
  display: inline-block;
  margin-top: 0.6em;
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  font-weight: 700;
  color: var(--color-brick-600);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  padding: 0.85em 1.7em;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 2px solid transparent;
  transition: transform .25s ease, box-shadow .25s ease, background .25s ease, color .25s ease;
}
.btn-primary {
  background: var(--color-brick-500);
  color: var(--color-white);
  box-shadow: var(--shadow-md);
}
.btn-primary:hover { transform: translateY(-2px); background: var(--color-brick-600); }
.btn-ghost {
  border-color: rgba(255,255,255,.55);
  color: var(--color-white);
}
.btn-ghost:hover { background: rgba(255,255,255,.12); }
.btn-outline {
  border-color: var(--color-forest-700);
  color: var(--color-forest-700);
}
.btn-outline:hover { background: var(--color-forest-700); color: var(--color-white); }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1.1rem 0;
  transition: background .35s ease, box-shadow .35s ease, padding .35s ease;
}
.site-header.is-scrolled {
  background: rgba(250, 248, 244, 0.92);
  backdrop-filter: blur(10px);
  box-shadow: 0 6px 24px -10px rgba(15,46,29,.25);
  padding: 0.7rem 0;
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  /* A navigáció szélről szélre fusson, ne a szűkebb tartalmi dobozba szoruljon —
     nagy (1920px+) monitoron az 1400px-es .container középre zárva túl "összepréseltnek" tűnt. */
  max-width: none;
  width: 100%;
  padding-inline: clamp(1.5rem, 4vw, 4.5rem);
}
.brand { display: flex; align-items: center; gap: 0.65em; }
.brand-mark { width: 38px; height: 38px; flex-shrink: 0; }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-text strong {
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--color-white);
  transition: color .35s ease;
}
.brand-text span { font-size: 0.62rem; letter-spacing: 0.1em; color: var(--color-forest-500); font-weight: 700; }
.site-header.is-scrolled .brand-text strong { color: var(--color-forest-900); }

.main-nav ul { display: flex; gap: 2rem; list-style: none; }
.main-nav a {
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--color-white);
  position: relative;
  transition: color .35s ease;
}
.site-header.is-scrolled .main-nav a { color: var(--color-ink-900); }
.main-nav a::after {
  content: "";
  position: absolute; left: 0; bottom: -6px;
  width: 0; height: 2px;
  background: var(--color-brick-500);
  transition: width .25s ease;
}
.main-nav a:hover::after { width: 100%; }

.header-cta { display: none; }
@media (min-width: 900px) { .header-cta { display: inline-flex; } }

.nav-toggle {
  display: inline-flex;
  width: 42px; height: 42px;
  border: none;
  background: rgba(255,255,255,.15);
  border-radius: var(--radius-sm);
  align-items: center; justify-content: center;
}
@media (min-width: 900px) { .nav-toggle { display: none; } }
.nav-toggle span, .nav-toggle::before, .nav-toggle::after { display:none; }
.nav-toggle svg { width: 20px; height: 20px; stroke: var(--color-white); }
.site-header.is-scrolled .nav-toggle svg { stroke: var(--color-forest-900); }

@media (max-width: 899px) {
  .main-nav {
    position: fixed;
    inset: 0 0 auto auto;
    top: 0;
    height: 100vh;
    width: min(78vw, 320px);
    background: var(--color-forest-900);
    padding: 6.5rem 2rem 2rem;
    transform: translateX(100%);
    transition: transform .4s ease;
  }
  .main-nav.is-open { transform: translateX(0); }
  .main-nav ul { flex-direction: column; gap: 1.6rem; }
  .main-nav a { color: var(--color-white); font-size: 1.05rem; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  color: var(--color-white);
  overflow: hidden;
}
.hero-media {
  position: absolute; inset: 0;
  z-index: -2;
}
.hero-media img {
  width: 100%; height: 100%; object-fit: cover;
  filter: saturate(1.05);
}
.hero-media::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(15,46,29,.72) 0%, rgba(15,46,29,.55) 45%, rgba(15,46,29,.9) 100%);
}
.hero-content { padding-top: 6rem; max-width: 760px; }
.hero-content .eyebrow { color: var(--color-forest-100); }
.hero-content .eyebrow::before { color: var(--color-brick-500); }
.hero-content h1 {
  color: var(--color-white);
  font-size: clamp(2.4rem, 5.6vw, 4.3rem);
  margin-bottom: 0.5em;
}
.hero-content .lede {
  color: rgba(255,255,255,.88);
  font-size: 1.15rem;
  max-width: 560px;
}
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; margin-top: 2rem; }

.hero-strip {
  display: flex;
  gap: 2.2rem;
  margin-top: 3.2rem;
  flex-wrap: wrap;
}
.hero-strip div { display: flex; flex-direction: column; }
.hero-strip strong { font-family: var(--font-display); font-size: 1.8rem; color: var(--color-white); }
.hero-strip span { font-size: 0.78rem; color: rgba(255,255,255,.7); letter-spacing: .03em; }

.scroll-cue {
  position: absolute;
  bottom: 2rem; left: 50%;
  transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center;
  gap: .4rem;
  color: rgba(255,255,255,.75);
  font-size: .72rem;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.scroll-cue .dot {
  width: 2px; height: 30px;
  background: linear-gradient(180deg, rgba(255,255,255,.9), transparent);
  animation: cue 1.8s ease-in-out infinite;
}
@keyframes cue { 0% { transform: translateY(-6px); opacity: .2; } 50% { opacity: 1; } 100% { transform: translateY(10px); opacity: .1; } }

/* ---------- Build story (scroll-driven house) ---------- */
.build-story {
  background: linear-gradient(180deg, var(--color-forest-900), var(--color-forest-800));
  color: var(--color-white);
}
.build-pin {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
  padding: 5rem 0;
  gap: 2.5rem;
}
@media (min-width: 900px) {
  .build-pin { grid-template-columns: 1.05fr 0.95fr; padding: 0; gap: 3rem; }
}
.build-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.build-visual svg { width: min(92%, 560px); height: auto; overflow: visible; }

.build-steps-col { display: flex; flex-direction: column; }
.build-steps { position: relative; min-height: 260px; }
.build-step {
  position: absolute;
  inset: 0;
  opacity: 0;
  transform: translateY(16px);
  pointer-events: none;
  transition: opacity .25s ease, transform .3s ease;
  max-width: 460px;
}
.build-step.is-active {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.build-step .step-num {
  font-family: var(--font-display);
  font-size: 0.95rem;
  color: var(--color-brick-500);
  letter-spacing: .1em;
  display: block;
  margin-bottom: .6rem;
}
.build-step h3 { color: var(--color-white); font-size: clamp(1.5rem, 2.6vw, 2.1rem); }
.build-step p { color: rgba(255,255,255,.78); }
.build-step ul { margin-top: 1rem; display: flex; flex-direction: column; gap: .5rem; }
.build-step li {
  display: flex; gap: .6em; align-items: baseline;
  color: rgba(255,255,255,.85);
  font-size: 0.95rem;
}
.build-step li::before { content: "—"; color: var(--color-forest-500); }

.build-progress {
  display: flex; gap: .5rem;
  margin-top: 2.4rem;
}
.build-progress span {
  width: 2.4rem; height: 4px;
  background: rgba(255,255,255,.18);
  border-radius: 2px;
  overflow: hidden;
  position: relative;
}
.build-progress span::after {
  content: "";
  position: absolute; inset: 0;
  background: var(--color-brick-500);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s ease;
}
.build-progress span.is-active::after,
.build-progress span.is-done::after { transform: scaleX(1); }

/* A rétegek kezdő (rejtett) állapotát szándékosan NEM itt, CSS-ben állítjuk be,
   hanem JS-ből, gsap.set()-tel (js/main.js) — így GSAP saját, SVG-kompatibilis
   transform-origin kezelését használjuk a "transform-box: fill-box" helyett,
   ami böngészőnként eltérően viselkedett és rossz pozícióba mozgatta a falakat.
   Ha a JS/GSAP nem töltődik be, a ház statikusan, teljes egészében látszik —
   ez egy elfogadható, működő alapállapot (progressive enhancement). */
#layer-crane { opacity: 0.9; }

/* ---------- Services grid ---------- */
.services { background: var(--color-sand-50); }
.services-grid {
  display: grid;
  gap: 1.4rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}
.service-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: 2.1rem 1.7rem;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-sand-200);
  transition: transform .3s ease, box-shadow .3s ease;
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.service-card .icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  background: var(--color-forest-100);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1.2rem;
}
.service-card .icon svg { width: 26px; height: 26px; stroke: var(--color-forest-700); }
.service-card h3 { font-size: 1.25rem; }
.service-card a.more {
  display: inline-flex; align-items: center; gap: .4em;
  font-weight: 700; font-size: 0.88rem; color: var(--color-forest-700);
  margin-top: .8rem;
}

/* ---------- Detail sections (alternating media/text) ---------- */
.detail-section:nth-of-type(even) { background: var(--color-sand-100); }
.detail-grid {
  display: grid;
  gap: 2.5rem;
  align-items: center;
}
@media (min-width: 900px) {
  .detail-grid { grid-template-columns: 1fr 1fr; }
  .detail-grid.reverse .detail-copy { order: 2; }
}
.detail-copy ul { display: flex; flex-direction: column; gap: .65rem; margin: 1.4rem 0 1.8rem; }
.detail-copy li {
  display: flex; gap: .7em; align-items: flex-start;
  font-size: 0.98rem; color: var(--color-ink-700);
}
.detail-copy li svg { width: 18px; height: 18px; stroke: var(--color-forest-600); flex-shrink: 0; margin-top: .15em; }

.detail-media { position: relative; }
.media-collage {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 0.8rem;
}
.media-collage img {
  width: 100%; height: 100%;
  object-fit: cover;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}
.media-collage .stack { display: flex; flex-direction: column; gap: 0.8rem; }
.media-collage .tall { aspect-ratio: 3/4; }
.media-collage .short { aspect-ratio: 4/3; }
.media-collage .lead { aspect-ratio: 4/5; }

.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.reveal-stagger > * { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.reveal-stagger.is-visible > * { opacity: 1; transform: translateY(0); }
.reveal-stagger.is-visible > *:nth-child(1) { transition-delay: .05s; }
.reveal-stagger.is-visible > *:nth-child(2) { transition-delay: .15s; }
.reveal-stagger.is-visible > *:nth-child(3) { transition-delay: .25s; }
.reveal-stagger.is-visible > *:nth-child(4) { transition-delay: .35s; }

/* ---------- Gallery / references ---------- */
.gallery-filters {
  display: flex; gap: .6rem; flex-wrap: wrap;
  margin-bottom: 2.2rem;
}
.gallery-filters button {
  border: 1.5px solid var(--color-sand-200);
  background: var(--color-white);
  color: var(--color-ink-700);
  padding: .5em 1.2em;
  border-radius: 999px;
  font-size: .88rem; font-weight: 600;
  transition: all .25s ease;
}
.gallery-filters button.is-active,
.gallery-filters button:hover {
  background: var(--color-forest-700);
  border-color: var(--color-forest-700);
  color: var(--color-white);
}
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 1rem;
}
.gallery-item {
  position: relative;
  border-radius: var(--radius-sm);
  overflow: hidden;
  aspect-ratio: 4/3;
  cursor: zoom-in;
  box-shadow: var(--shadow-md);
}
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.gallery-item:hover img { transform: scale(1.08); }
.gallery-item .tag {
  position: absolute; left: .6rem; bottom: .6rem;
  background: rgba(15,46,29,.78);
  color: var(--color-white);
  font-size: .68rem; font-weight: 700; letter-spacing: .04em;
  padding: .35em .7em; border-radius: 999px;
  text-transform: uppercase;
}
.gallery-item.is-hidden { display: none; }

.lightbox {
  position: fixed; inset: 0; z-index: 1000;
  background: rgba(10, 20, 14, .92);
  display: none;
  align-items: center; justify-content: center;
  padding: 4vh 4vw;
}
.lightbox.is-open { display: flex; }
.lightbox img { max-width: 100%; max-height: 88vh; border-radius: var(--radius-sm); box-shadow: var(--shadow-lg); }
.lightbox-close, .lightbox-prev, .lightbox-next {
  position: absolute;
  background: rgba(255,255,255,.12);
  border: none;
  color: var(--color-white);
  width: 44px; height: 44px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
}
.lightbox-close:hover, .lightbox-prev:hover, .lightbox-next:hover { background: rgba(255,255,255,.28); }
.lightbox-close { top: 1.6rem; right: 1.6rem; }
.lightbox-prev { left: 1.4rem; top: 50%; transform: translateY(-50%); }
.lightbox-next { right: 1.4rem; top: 50%; transform: translateY(-50%); }
.lightbox svg { width: 20px; height: 20px; stroke: currentColor; }

/* ---------- About ---------- */
.about { background: var(--color-forest-900); color: var(--color-white); }
.about h2 { color: var(--color-white); }
.about-grid {
  display: grid; gap: 3rem;
  grid-template-columns: 1fr;
}
@media (min-width: 900px) { .about-grid { grid-template-columns: 1.1fr 0.9fr; } }
.about p { color: rgba(255,255,255,.78); }
.about-stats {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.4rem;
  margin-top: 2rem;
}
.about-stats div {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius-md);
  padding: 1.4rem;
}
.about-stats strong { font-family: var(--font-display); font-size: 2rem; color: var(--color-white); display:block; }
.about-stats span { font-size: .82rem; color: rgba(255,255,255,.65); }
.about-media img { border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); }

/* ---------- Contact ---------- */
.contact-grid {
  display: grid; gap: 3rem;
  grid-template-columns: 1fr;
}
@media (min-width: 900px) { .contact-grid { grid-template-columns: 0.85fr 1.15fr; } }
.contact-info-list { display: flex; flex-direction: column; gap: 1.4rem; margin-top: 1.6rem; }
.contact-info-list li { display: flex; gap: 1rem; align-items: flex-start; }
.contact-info-list .icon {
  width: 42px; height: 42px; border-radius: 12px;
  background: var(--color-forest-100);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.contact-info-list .icon svg { width: 20px; height: 20px; stroke: var(--color-forest-700); }
.contact-info-list strong { display: block; font-size: .95rem; }
.contact-info-list span, .contact-info-list a { color: var(--color-ink-500); font-size: .92rem; }

.contact-form {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 2.2rem;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-sand-200);
}
.form-row { display: grid; gap: 1.1rem; margin-bottom: 1.1rem; }
@media (min-width: 560px) { .form-row.two { grid-template-columns: 1fr 1fr; } }
.form-row label { display: block; font-size: .82rem; font-weight: 700; margin-bottom: .4em; color: var(--color-ink-700); }
.form-row input, .form-row textarea, .form-row select {
  width: 100%;
  border: 1.5px solid var(--color-sand-200);
  border-radius: var(--radius-sm);
  padding: .75em .9em;
  font-family: inherit; font-size: .95rem;
  background: var(--color-sand-50);
}
.form-row input:focus, .form-row textarea:focus, .form-row select:focus {
  outline: none; border-color: var(--color-forest-500);
  background: var(--color-white);
}
.form-note { font-size: .78rem; color: var(--color-ink-500); margin-top: .8rem; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-forest-900);
  color: rgba(255,255,255,.7);
  padding: 3.5rem 0 1.6rem;
}
.footer-grid {
  display: grid; gap: 2.5rem;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}
.footer-grid .brand-text strong { color: var(--color-white); }
.footer-col h4 { color: var(--color-white); font-size: .95rem; margin-bottom: 1rem; }
.footer-col ul { display: flex; flex-direction: column; gap: .65rem; }
.footer-col a { font-size: .9rem; }
.footer-col a:hover { color: var(--color-white); }
.footer-bottom {
  margin-top: 3rem; padding-top: 1.6rem;
  border-top: 1px solid rgba(255,255,255,.1);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem;
  font-size: .78rem;
}

/* utility */
.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap;
}