/* ==========================================================================
   KLÍMAPONT — design tokens
   Hűtés/fűtés duál-tematika: hidegkék "hűtés" és korall "fűtés" üzemmód,
   szaggatott "légáramlat" vonalak, kör alakú hőmérséklet-tárcsa mint
   signature elem. Tudatosan más, mint a cégoldal (meleg krém + terrakotta,
   tervrajz motívum) vagy az Alapkő referencia (sötét, sheet/tab rendszer).
   ========================================================================== */
:root{
  --night:        #081A20;
  --ink:          #0B2A33;
  --ink-soft:     #4C6870;
  --muted:        #8CA3A9;
  --bg:           #F2F9FA;
  --surface:      #FFFFFF;
  --surface-cool: #E4F2F4;
  --line:         #CFE6EA;
  --line-strong:  #A9CDD3;

  --cool:         #0EA5C4;
  --cool-dark:    #086E85;
  --cool-soft:    #D7F1F6;
  --warm:         #F2643A;
  --warm-dark:    #C8471F;
  --warm-soft:    #FCE1D6;
  --lime:         #B7E85A;
  --lime-dark:    #6E9424;

  --font-display: 'Unbounded', sans-serif;
  --font-body:    'Manrope', sans-serif;
  --font-mono:    'IBM Plex Mono', monospace;

  --radius-sm: 8px;
  --radius:    16px;
  --radius-lg: 28px;
  --radius-pill: 999px;

  --shadow-sm: 0 2px 10px rgba(8,26,32,0.06);
  --shadow-md: 0 12px 28px rgba(8,26,32,0.10);
  --shadow-lg: 0 24px 60px rgba(8,26,32,0.16);

  --container: 1180px;

  /* aktuális üzemmód-szín (JS állítja hűtés/fűtés váltáskor) */
  --mode-color: var(--cool);
  --mode-color-dark: var(--cool-dark);
  --mode-soft: var(--cool-soft);
}

/* ==========================================================================
   RESET
   ========================================================================== */
*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg{ display:block; max-width: 100%; }
a{ color: inherit; text-decoration: none; }
ul, ol{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4{ font-family: var(--font-display); font-weight: 600; line-height: 1.08; margin: 0; color: var(--ink); letter-spacing: -0.01em; }
p{ margin: 0; }
button, input, select, textarea{ font-family: inherit; font-size: inherit; color: inherit; }
button{ cursor: pointer; }
:focus-visible{ outline: 2.5px solid var(--cool-dark); outline-offset: 3px; border-radius: 3px; }

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

.container{ width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 28px; }

/* légáramlat háttér: lágy, elmosódott fényfoltok a szigorú rácsmintázat helyett */
.airgrid-overlay{
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background-image:
    radial-gradient(ellipse 60% 45% at 12% 0%, rgba(14,165,196,0.10), transparent 60%),
    radial-gradient(ellipse 55% 40% at 100% 18%, rgba(242,100,58,0.07), transparent 65%),
    radial-gradient(ellipse 50% 40% at 20% 100%, rgba(14,165,196,0.06), transparent 60%);
}

/* ==========================================================================
   GOMBOK
   ========================================================================== */
.btn{
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 15px 28px; border-radius: var(--radius-pill);
  font-weight: 600; font-size: 0.95rem; font-family: var(--font-body);
  border: 1.5px solid transparent; white-space: nowrap;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease, border-color .18s ease, color .18s ease;
}
.btn-primary{
  background: var(--ink); color: #fff; box-shadow: var(--shadow-sm);
}
.btn-primary:hover{ background: var(--mode-color-dark); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-outline{ background: transparent; color: var(--ink); border-color: var(--line-strong); }
.btn-outline:hover{ border-color: var(--mode-color); color: var(--mode-color-dark); transform: translateY(-2px); }
.btn-small{ padding: 11px 20px; font-size: 0.86rem; }
.btn-full{ width: 100%; }
.btn:disabled{ opacity: 0.6; cursor: not-allowed; transform:none !important; }

/* ==========================================================================
   FEJLÉC
   ========================================================================== */
.site-header{
  position: sticky; top: 0; z-index: 100;
  background: rgba(242, 249, 250, 0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner{ display: flex; align-items: center; justify-content: space-between; height: 84px; }
.logo{ display: flex; align-items: center; gap: 12px; }
.logo-badge{
  width: 40px; height: 40px; border-radius: 12px;
  background: linear-gradient(135deg, var(--cool), var(--cool-dark));
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-sm);
}
.logo-text{ font-family: var(--font-display); font-size: 1.32rem; font-weight: 700; color: var(--ink); letter-spacing: -0.01em; }
.logo-accent{ color: var(--cool-dark); }

.nav{ display: flex; gap: 28px; }
.nav a{
  font-size: 0.92rem; font-weight: 500; color: var(--ink-soft); position: relative; transition: color .15s ease;
  font-family: var(--font-mono);
}
.nav a:hover, .nav a.active{ color: var(--ink); }
.nav a::after{
  content: ""; position: absolute; left: 0; right: 0; bottom: -8px; height: 2px;
  background: var(--mode-color); transform: scaleX(0); transform-origin: left; transition: transform .2s ease;
}
.nav a:hover::after, .nav a.active::after{ transform: scaleX(1); }

.header-actions{ display: flex; align-items: center; gap: 14px; }
.menu-toggle{
  display: none; flex-direction: column; justify-content: center; gap: 5px;
  width: 42px; height: 42px; background: var(--surface); border: 1.5px solid var(--line-strong); border-radius: var(--radius-sm);
}
.menu-toggle span{ display:block; height: 2px; width: 18px; margin: 0 auto; background: var(--ink); transition: transform .2s ease, opacity .2s ease; }
.menu-toggle[aria-expanded="true"] span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2){ opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }

/* ==========================================================================
   HERO + TÁRCSA (signature elem)
   ========================================================================== */
.hero{
  position: relative; padding: 88px 0 76px; overflow: hidden;
  background: var(--night); color: #fff;
}
.hero-backdrop{
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(ellipse 70% 55% at 50% 0%, rgba(14,165,196,0.30), transparent 65%),
    radial-gradient(ellipse 50% 40% at 85% 90%, rgba(242,100,58,0.16), transparent 65%),
    linear-gradient(180deg, var(--night), #0F3B47 140%);
}
.hero-content{ position: relative; z-index: 1; max-width: 760px; margin: 0 auto; text-align: center; display: flex; flex-direction: column; align-items: center; }

.hero-kicker{
  background: rgba(255,255,255,0.06); border-color: rgba(255,255,255,0.16); color: rgba(255,255,255,0.78);
}
.hero-headline{
  font-size: clamp(2.5rem, 6vw, 4.4rem); font-weight: 700; margin-bottom: 20px; letter-spacing: -0.015em;
  color: #fff;
}
.hero-headline .accent{ color: var(--mode-color); }
.hero-lead{ font-size: 1.12rem; color: rgba(255,255,255,0.72); max-width: 52ch; margin: 0 auto 44px; }

.dial-wrap{ position: relative; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 26px; margin-bottom: 44px; }
.mode-switch.hero-mode-switch{ background: rgba(255,255,255,0.06); border-color: rgba(255,255,255,0.16); }
.hero-mode-switch .mode-btn{ color: rgba(255,255,255,0.72); }
.hero-mode-switch .mode-btn[aria-pressed="true"]{ color: #fff; }

.hero .hero-actions{ display: flex; gap: 14px; flex-wrap: wrap; justify-content: center; margin-bottom: 36px; }
.hero .btn-primary{ background: #fff; color: var(--ink); }
.hero .btn-primary:hover{ background: var(--mode-color); color: #fff; }
.hero .btn-outline{ color: #fff; border-color: rgba(255,255,255,0.3); }
.hero .btn-outline:hover{ border-color: var(--mode-color); color: var(--mode-color); }

.hero-badges{ display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; }
.hero-badge{
  display: flex; align-items: center; gap: 10px; background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.16);
  padding: 10px 16px; border-radius: var(--radius); font-size: 0.86rem; font-weight: 600; color: rgba(255,255,255,0.8);
}
.hero-badge svg{ width: 18px; height: 18px; color: var(--mode-color); flex-shrink: 0; }

.kicker{
  display: inline-flex; align-items: center; gap: 8px; font-family: var(--font-mono); font-size: 0.76rem;
  font-weight: 500; color: var(--ink-soft); background: var(--surface); border: 1px solid var(--line);
  padding: 7px 14px 7px 10px; border-radius: var(--radius-pill); margin-bottom: 24px; text-transform: uppercase; letter-spacing: 0.05em;
}
.kicker .dot{ width: 7px; height: 7px; border-radius: 50%; background: var(--mode-color); box-shadow: 0 0 0 3px var(--mode-soft); }

/* --- Mód váltó (hűtés / fűtés) --- */
.mode-switch{
  display: inline-flex; align-items: center; background: var(--surface); border: 1.5px solid var(--line-strong);
  border-radius: var(--radius-pill); padding: 5px; gap: 4px; box-shadow: var(--shadow-sm);
}
.mode-btn{
  border: none; background: transparent; padding: 10px 18px; border-radius: var(--radius-pill);
  font-family: var(--font-mono); font-size: 0.82rem; font-weight: 600; color: var(--ink-soft);
  display: flex; align-items: center; gap: 8px; transition: background .2s ease, color .2s ease;
}
.mode-btn svg{ width: 15px; height: 15px; }
.mode-btn[aria-pressed="true"]{ color: #fff; }
.mode-btn[data-mode="hutes"][aria-pressed="true"]{ background: var(--cool); }
.mode-btn[data-mode="futes"][aria-pressed="true"]{ background: var(--warm); }

/* --- Tárcsa widget --- */
.dial-panel{
  position: relative; width: 100%; max-width: 460px; aspect-ratio: 1 / 1;
  background: radial-gradient(circle at 32% 28%, #0F323C, var(--night) 72%);
  border-radius: 50%; box-shadow: 0 30px 90px rgba(0,0,0,0.55), 0 0 0 1px rgba(255,255,255,0.06);
  display: flex; align-items: center; justify-content: center;
  border: 10px solid rgba(255,255,255,0.9);
}
.dial-svg{ position: absolute; inset: 0; width: 100%; height: 100%; touch-action: none; cursor: grab; }
.dial-svg:active{ cursor: grabbing; }
.dial-ticks line{ stroke: rgba(255,255,255,0.18); stroke-width: 2; }
.dial-arc-bg{ fill: none; stroke: rgba(255,255,255,0.08); stroke-width: 10; }
.dial-arc-fill{ fill: none; stroke: var(--mode-color); stroke-width: 10; stroke-linecap: round; transition: stroke 0.3s ease; filter: drop-shadow(0 0 10px var(--mode-color)); }
.dial-handle{ fill: #fff; stroke: var(--mode-color); stroke-width: 4; transition: stroke 0.3s ease; }
.dial-readout{ position: relative; z-index: 2; text-align: center; pointer-events: none; }
.dial-temp{ font-family: var(--font-display); font-size: clamp(2.6rem, 8vw, 3.6rem); font-weight: 700; color: #fff; line-height: 1; }
.dial-temp sup{ font-size: 0.4em; opacity: 0.75; }
.dial-mode-label{ font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--mode-color); margin-top: 8px; transition: color 0.3s ease; }
.dial-sub{ font-family: var(--font-mono); font-size: 0.7rem; color: rgba(255,255,255,0.55); margin-top: 4px; }
.dial-hint{
  position: absolute; bottom: -14px; left: 50%; transform: translateX(-50%);
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-pill);
  padding: 8px 16px; font-family: var(--font-mono); font-size: 0.72rem; color: var(--ink-soft);
  box-shadow: var(--shadow-sm); white-space: nowrap;
}

/* ==========================================================================
   STAT SZALAG (gauge gyűrűk)
   ========================================================================== */
.stat-strip{ padding: 36px 0; background: var(--surface); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.stat-grid{ display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat-item{ display: flex; align-items: center; gap: 16px; }
.stat-ring{ position: relative; width: 64px; height: 64px; flex-shrink: 0; }
.stat-ring svg{ width: 100%; height: 100%; transform: rotate(-90deg); }
.stat-ring-bg{ fill: none; stroke: var(--line); stroke-width: 6; }
.stat-ring-fill{ fill: none; stroke: var(--cool); stroke-width: 6; stroke-linecap: round; stroke-dasharray: 176; stroke-dashoffset: 176; transition: stroke-dashoffset 1.4s cubic-bezier(.2,.7,.2,1); }
.stat-num{ position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; font-family: var(--font-mono); font-weight: 700; font-size: 0.86rem; color: var(--ink); }
.stat-label{ font-size: 0.86rem; color: var(--ink-soft); max-width: 16ch; }
.stat-label strong{ display: block; color: var(--ink); font-family: var(--font-display); font-size: 1rem; }

/* ==========================================================================
   SZEKCIÓ ÁLTALÁNOS
   ========================================================================== */
.section{ padding: 100px 0; position: relative; }
.section-alt{ background: var(--surface-cool); }
.section-head{ max-width: 660px; margin-bottom: 52px; }
.section-head.center{ margin-left: auto; margin-right: auto; text-align: center; }
.section-desc{ color: var(--ink-soft); font-size: 1.03rem; max-width: 58ch; }
.section-head.center .section-desc{ margin: 0 auto; }
.section h2{ font-size: clamp(1.75rem, 3vw, 2.4rem); margin-bottom: 16px; }

/* ==========================================================================
   KÉP HELYTARTÓ (placeholder a valós fotóknak)
   ========================================================================== */
.img-slot{
  position: relative; width: 100%; border-radius: var(--radius); overflow: hidden;
  background: linear-gradient(155deg, var(--surface-cool) 0%, #DCEFF2 100%);
  border: 1.5px dashed var(--line-strong);
  display: flex; align-items: center; justify-content: center;
  min-height: 180px;
}
.img-slot-inner{
  text-align: center; padding: 22px; max-width: 280px;
}
.img-slot-icon{
  width: 42px; height: 42px; margin: 0 auto 12px; border-radius: 50%;
  background: var(--surface); border: 1px solid var(--line-strong);
  display: flex; align-items: center; justify-content: center; color: var(--cool-dark);
  box-shadow: var(--shadow-sm);
}
.img-slot-icon svg{ width: 20px; height: 20px; }
.img-slot-label{ font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--cool-dark); font-weight: 700; margin-bottom: 6px; }
.img-slot-desc{ font-size: 0.86rem; color: var(--ink-soft); line-height: 1.5; }

.img-slot img{ width: 100%; height: 100%; object-fit: cover; display: block; }
.img-slot:has(img){ border-style: solid; border-color: var(--line); background: none; }

/* ==========================================================================
   SZOLGÁLTATÁSOK — "vezérlőpanel" csempék
   ========================================================================== */
.services-grid{ display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.service-tile{
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 0; overflow: hidden; box-shadow: var(--shadow-sm);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
  display: flex; flex-direction: column;
}
.service-tile:hover{ transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: var(--line-strong); }
.service-tile .img-slot{ aspect-ratio: 16 / 10; border-radius: 0; border-width: 0 0 1.5px 0; }
.service-body{ padding: 24px 24px 26px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.service-icon{
  width: 42px; height: 42px; border-radius: 12px; background: var(--cool-soft); color: var(--cool-dark);
  display: flex; align-items: center; justify-content: center; border: 1px solid var(--cool);
}
.service-icon svg{ width: 20px; height: 20px; }
.service-tile h3{ font-size: 1.08rem; }
.service-tile p{ color: var(--ink-soft); font-size: 0.93rem; }
.service-tag{
  align-self: flex-start; font-family: var(--font-mono); font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--cool-dark); background: var(--cool-soft); padding: 5px 10px; border-radius: var(--radius-pill); font-weight: 700;
}

/* ==========================================================================
   KALKULÁTOR
   ========================================================================== */
.calc-panel{
  background: var(--night); border-radius: var(--radius-lg); padding: 44px; color: #fff;
  display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; box-shadow: var(--shadow-lg);
}
.calc-form{ display: flex; flex-direction: column; gap: 18px; }
.calc-field{ display: flex; flex-direction: column; gap: 8px; }
.calc-field label{ font-family: var(--font-mono); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.06em; color: rgba(255,255,255,0.6); }
.calc-field input, .calc-field select{
  background: rgba(255,255,255,0.06); border: 1.5px solid rgba(255,255,255,0.18); border-radius: var(--radius-sm);
  padding: 13px 14px; color: #fff;
}
.calc-field input:focus, .calc-field select:focus{ outline: none; border-color: var(--cool); }
.calc-field select option{ color: var(--ink); background: #fff; }
.calc-row{ display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.calc-result{
  background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.14); border-radius: var(--radius);
  padding: 28px; text-align: center;
}
.calc-result-label{ font-family: var(--font-mono); font-size: 0.74rem; text-transform: uppercase; letter-spacing: 0.08em; color: rgba(255,255,255,0.55); margin-bottom: 10px; }
.calc-result-value{ font-family: var(--font-display); font-size: 2.6rem; font-weight: 700; color: var(--cool); line-height: 1; }
.calc-result-value span{ font-size: 1rem; color: rgba(255,255,255,0.6); font-family: var(--font-body); }
.calc-result-note{ font-size: 0.86rem; color: rgba(255,255,255,0.55); margin-top: 14px; line-height: 1.5; }
.calc-checkbox{ display: flex; align-items: center; gap: 10px; font-size: 0.9rem; color: rgba(255,255,255,0.8); }
.calc-checkbox input{ width: 18px; height: 18px; accent-color: var(--cool); }

/* ==========================================================================
   FOLYAMAT — légcsatorna idővonal
   ========================================================================== */
.duct-timeline{ position: relative; }
.duct-line{ position: absolute; top: 30px; left: 0; right: 0; height: 3px; background: repeating-linear-gradient(90deg, var(--line-strong) 0 10px, transparent 10px 20px); z-index: 0; }
.duct-line-fill{ position: absolute; top: 0; left: 0; height: 100%; width: 0%; background: var(--cool); border-radius: 2px; transition: width 1.6s ease; }
.duct-steps{ position: relative; z-index: 1; display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
.duct-step{ display: flex; flex-direction: column; gap: 16px; }
.duct-node{
  width: 62px; height: 62px; border-radius: 50%; background: var(--surface); border: 2.5px solid var(--line-strong);
  display: flex; align-items: center; justify-content: center; font-family: var(--font-mono); font-weight: 700;
  color: var(--ink-soft); transition: border-color .3s ease, color .3s ease, background .3s ease;
}
.duct-step.is-active .duct-node{ border-color: var(--cool); color: #fff; background: var(--cool); }
.duct-step h3{ font-size: 1.02rem; }
.duct-step p{ color: var(--ink-soft); font-size: 0.9rem; }

/* ==========================================================================
   REFERENCIÁK / GALÉRIA
   ========================================================================== */
.filter-bar{ display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 32px; }
.filter-btn{
  background: var(--surface); border: 1.5px solid var(--line); border-radius: var(--radius-pill);
  padding: 10px 18px; font-size: 0.86rem; font-weight: 600; color: var(--ink-soft); font-family: var(--font-mono);
  transition: border-color .2s ease, color .2s ease, background .2s ease;
}
.filter-btn:hover{ border-color: var(--cool); color: var(--cool-dark); }
.filter-btn.is-active{ background: var(--ink); border-color: var(--ink); color: #fff; }

.gallery-grid{ display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.gallery-item{ display: none; flex-direction: column; gap: 12px; }
.gallery-item.is-visible{ display: flex; }
.gallery-item .img-slot{ aspect-ratio: 4 / 3; }
.gallery-caption{ display: flex; flex-direction: column; gap: 2px; }
.gallery-caption .cat{ font-family: var(--font-mono); font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--cool-dark); font-weight: 700; }
.gallery-caption h4{ font-size: 0.98rem; font-family: var(--font-display); font-weight: 600; }

/* ==========================================================================
   RÓLUNK
   ========================================================================== */
.about-grid{ display: grid; grid-template-columns: 0.95fr 1.05fr; gap: 56px; align-items: center; }
.about-list{ display: flex; flex-direction: column; gap: 22px; margin-top: 26px; }
.about-list li{ display: flex; gap: 16px; align-items: flex-start; }
.about-check{
  width: 30px; height: 30px; border-radius: 9px; background: var(--cool-soft); color: var(--cool-dark);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0; border: 1px solid var(--cool);
}
.about-check svg{ width: 15px; height: 15px; }
.about-list h4{ font-size: 1rem; margin-bottom: 4px; }
.about-list p{ color: var(--ink-soft); font-size: 0.93rem; }

/* ==========================================================================
   VÉLEMÉNYEK
   ========================================================================== */
.testi-grid{ display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.testi-card{ background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow-sm); }
.testi-stars{ display: flex; gap: 3px; margin-bottom: 14px; color: var(--warm); }
.testi-stars svg{ width: 16px; height: 16px; }
.testi-quote{ color: var(--ink-soft); font-size: 0.95rem; line-height: 1.6; margin-bottom: 20px; }
.testi-person{ display: flex; align-items: center; gap: 12px; }
.testi-avatar{
  width: 42px; height: 42px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-weight: 700; font-size: 0.9rem; color: #fff; flex-shrink: 0;
}
.testi-name{ font-size: 0.9rem; font-weight: 700; color: var(--ink); }
.testi-role{ font-size: 0.8rem; color: var(--muted); font-family: var(--font-mono); }

/* ==========================================================================
   GYIK — vezérlőpanel akkordeon
   ========================================================================== */
.faq-list{ display: flex; flex-direction: column; gap: 12px; max-width: 780px; margin: 0 auto; }
.faq-item{ background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.faq-item.is-open{ border-color: var(--cool); box-shadow: var(--shadow-sm); }
.faq-q{
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 20px 24px; background: transparent; border: none; text-align: left;
  font-family: var(--font-display); font-weight: 600; font-size: 1rem; color: var(--ink);
}
.faq-q-icon{
  width: 30px; height: 30px; border-radius: 50%; background: var(--cool-soft); color: var(--cool-dark);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0; transition: transform .25s ease;
}
.faq-item.is-open .faq-q-icon{ transform: rotate(135deg); }
.faq-q-icon svg{ width: 15px; height: 15px; }
.faq-a{ max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.faq-a-inner{ padding: 0 24px 22px; color: var(--ink-soft); font-size: 0.94rem; line-height: 1.6; }

/* ==========================================================================
   KAPCSOLAT
   ========================================================================== */
.contact-grid{ display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 56px; align-items: start; }
.contact-methods{ margin-top: 30px; display: flex; flex-direction: column; gap: 14px; }
.contact-method{
  display: flex; align-items: center; gap: 16px; padding: 16px 18px; background: var(--surface);
  border: 1px solid var(--line); border-radius: var(--radius); transition: border-color .15s ease, transform .15s ease, box-shadow .15s ease;
}
.contact-method:hover{ border-color: var(--cool); transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.cm-icon{
  width: 40px; height: 40px; border-radius: var(--radius-sm); background: var(--cool-soft); color: var(--cool-dark);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0; border: 1px solid var(--cool);
}
.cm-icon svg{ width: 19px; height: 19px; }
.contact-method strong{ display: block; font-family: var(--font-mono); font-size: 0.72rem; color: var(--muted); font-weight: 500; text-transform: uppercase; letter-spacing: 0.05em; }
.contact-method span span{ font-family: var(--font-mono); font-size: 1rem; color: var(--ink); }

.contact-form-wrap{ background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 38px; box-shadow: var(--shadow-md); }
.quote-form{ display: flex; flex-direction: column; gap: 18px; }
.form-row{ display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-field{ display: flex; flex-direction: column; gap: 8px; }
.form-field label{ font-size: 0.86rem; font-weight: 600; color: var(--ink-soft); }
.form-field label span{ color: var(--cool-dark); }
.form-field input, .form-field select, .form-field textarea{
  border: 1.5px solid var(--line); border-radius: var(--radius-sm); padding: 12px 14px; background: var(--bg);
  transition: border-color .15s ease, background .15s ease; resize: vertical;
}
.form-field input:hover, .form-field select:hover, .form-field textarea:hover{ border-color: var(--line-strong); }
.form-field input:focus, .form-field select:focus, .form-field textarea:focus{ border-color: var(--cool); background: var(--surface); outline: none; }
.form-note{ font-size: 0.8rem; color: var(--muted); text-align: center; }
.form-status{ font-size: 0.9rem; font-weight: 500; text-align: center; min-height: 1.2em; }
.form-status.success{ color: var(--cool-dark); }
.form-status.error{ color: var(--warm-dark); }

.map-slot{ margin-top: 24px; aspect-ratio: 21/9; }

/* ==========================================================================
   ZÁRÓ CTA
   ========================================================================== */
.final-cta{
  background: linear-gradient(120deg, var(--night), #0F3B47);
  border-radius: var(--radius-lg); padding: 64px 48px; text-align: center; color: #fff;
  position: relative; overflow: hidden;
}
.final-cta::before{
  content: ""; position: absolute; inset: -40% -10% auto auto; width: 420px; height: 420px; border-radius: 50%;
  background: radial-gradient(circle, rgba(14,165,196,0.35), transparent 70%); pointer-events: none;
}
.final-cta h2{ color: #fff; margin-bottom: 16px; }
.final-cta p{ color: rgba(255,255,255,0.72); max-width: 52ch; margin: 0 auto 30px; }
.final-cta .hero-actions{ justify-content: center; margin-bottom: 0; }
.final-cta .btn-outline{ color: #fff; border-color: rgba(255,255,255,0.35); }
.final-cta .btn-outline:hover{ border-color: var(--cool); color: var(--cool); }

/* ==========================================================================
   LÁBLÉC
   ========================================================================== */
.site-footer{ border-top: 1px solid var(--line); padding: 50px 0 30px; background: var(--surface); }
.footer-grid{ display: grid; grid-template-columns: 1.2fr 0.8fr 0.8fr 1fr; gap: 40px; margin-bottom: 34px; }
.footer-brand p{ color: var(--ink-soft); font-size: 0.92rem; margin-top: 14px; max-width: 32ch; }
.footer-col h5{ font-family: var(--font-mono); font-size: 0.76rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); margin-bottom: 14px; }
.footer-col ul{ display: flex; flex-direction: column; gap: 10px; }
.footer-col a{ font-size: 0.92rem; color: var(--ink-soft); transition: color .15s ease; }
.footer-col a:hover{ color: var(--cool-dark); }
.footer-bottom{ border-top: 1px solid var(--line); padding-top: 22px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; }
.footer-copy{ font-size: 0.82rem; color: var(--muted); }
.footer-social{ display: flex; gap: 10px; }
.footer-social a{
  width: 36px; height: 36px; border-radius: 50%; border: 1px solid var(--line-strong); display: flex;
  align-items: center; justify-content: center; color: var(--ink-soft); transition: border-color .15s ease, color .15s ease;
}
.footer-social a:hover{ border-color: var(--cool); color: var(--cool-dark); }
.footer-social svg{ width: 16px; height: 16px; }

/* ==========================================================================
   RESZPONZÍV
   ========================================================================== */
@media (max-width: 1020px){
  .stat-grid{ grid-template-columns: repeat(2, 1fr); row-gap: 28px; }
  .services-grid{ grid-template-columns: repeat(2, 1fr); }
  .calc-panel{ grid-template-columns: 1fr; }
  .duct-steps{ grid-template-columns: repeat(3, 1fr); row-gap: 30px; }
  .duct-line{ display: none; }
  .gallery-grid{ grid-template-columns: repeat(2, 1fr); }
  .about-grid, .contact-grid{ grid-template-columns: 1fr; gap: 40px; }
  .testi-grid{ grid-template-columns: 1fr; }
  .footer-grid{ grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px){
  .nav{
    position: absolute; top: 84px; left: 0; right: 0; background: var(--surface); border-bottom: 1px solid var(--line);
    flex-direction: column; padding: 18px 28px 26px; gap: 18px; display: none; box-shadow: var(--shadow-md);
  }
  .nav.open{ display: flex; }
  .menu-toggle{ display: flex; }
  .header-actions .btn-small{ display: none; }
  .services-grid, .duct-steps, .gallery-grid{ grid-template-columns: 1fr; }
  .form-row{ grid-template-columns: 1fr; }
  .contact-form-wrap{ padding: 26px; }
  .section{ padding: 66px 0; }
  .hero{ padding: 40px 0 40px; }
  .footer-grid{ grid-template-columns: 1fr; gap: 26px; }
  .final-cta{ padding: 44px 24px; }
}

@media (max-width: 420px){
  .container{ padding: 0 18px; }
  .stat-grid{ grid-template-columns: 1fr; }
  .dial-panel{ max-width: 300px; }
}