/* =========================================================
   Κωνσταντίνος Κόκκαλας – Ψυκτικός, Ερέτρια
   ========================================================= */

/* ---------- Γραμματοσειρές (τοπικά, χωρίς Google) ---------- */
@font-face {
  font-family: 'Manrope'; font-style: normal; font-weight: 500 800; font-display: swap;
  src: url(../fonts/Manrope-500-800-greek.woff2) format('woff2');
  unicode-range: U+0370-0377, U+037A-037F, U+0384-038A, U+038C, U+038E-03A1, U+03A3-03FF;
}
@font-face {
  font-family: 'Manrope'; font-style: normal; font-weight: 500 800; font-display: swap;
  src: url(../fonts/Manrope-500-800-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: 'IBM Plex Sans'; font-style: normal; font-weight: 400 600; font-display: swap;
  src: url(../fonts/IBMPlexSans-400-greek.woff2) format('woff2');
  unicode-range: U+0370-0377, U+037A-037F, U+0384-038A, U+038C, U+038E-03A1, U+03A3-03FF;
}
@font-face {
  font-family: 'IBM Plex Sans'; font-style: normal; font-weight: 400 600; font-display: swap;
  src: url(../fonts/IBMPlexSans-400-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: 'IBM Plex Mono'; font-style: normal; font-weight: 500; font-display: swap;
  src: url(../fonts/IBMPlexMono-500-latin.woff2) format('woff2');
}

/* ---------- Tokens ---------- */
:root {
  --ink: #08131f;
  --ink-2: #0c1c2b;
  --ink-line: rgba(186, 225, 255, .14);
  --frost: #f3f8fb;
  --frost-2: #e6f0f6;
  --paper: #ffffff;
  --text: #0b1a28;
  --muted: #4f6578;
  --line: #d5e2eb;
  --text-inv: #eaf4fa;
  --muted-inv: #a3b7c7;
  --ice: #4cc9f0;
  --ice-2: #9be3f8;
  --ice-deep: #0a6e96;
  --cold: #5b8cff;
  --heat: #ff7a45;
  --heat-2: #ffb36b;
  --heat-deep: #b23c0a;
  --focus: var(--ice);

  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 22px;
  --wrap: 1200px;
  --gutter: 20px;
  --header-h: 68px;

  --font-display: 'Manrope', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-body: 'IBM Plex Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, 'SFMono-Regular', Menlo, monospace;
  --ease: cubic-bezier(.2, .7, .2, 1);
}
@media (min-width: 768px) { :root { --gutter: 32px; } }

/* ---------- Βάση ---------- */
*, *::before, *::after { box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 8px);
  -webkit-text-size-adjust: 100%;
  interpolate-size: allow-keywords;
}
body {
  margin: 0;
  background: var(--frost);
  color: var(--text);
  font: 400 1.0625rem/1.65 var(--font-body);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg { max-width: 100%; }
h1, h2, h3 { font-family: var(--font-display); margin: 0; }
p { margin: 0; }
a { color: inherit; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; border-radius: 6px; }
.wrap { max-width: var(--wrap); margin-inline: auto; padding-inline: var(--gutter); }

.ic {
  width: 1.25em; height: 1.25em; flex: none;
  fill: none; stroke: currentColor; stroke-width: 1.8;
  stroke-linecap: round; stroke-linejoin: round;
}

.skip {
  position: absolute; left: 12px; top: -60px; z-index: 100;
  background: var(--ice); color: var(--ink); padding: 10px 16px; border-radius: 10px;
  font-weight: 600; text-decoration: none; transition: top .2s;
}
.skip:focus { top: 12px; }

.progress { position: fixed; inset: 0 0 auto 0; height: 3px; z-index: 60; pointer-events: none; }
.progress span {
  display: block; height: 100%;
  background: linear-gradient(90deg, var(--ice), var(--cold));
  transform: scaleX(0); transform-origin: left;
}

/* ---------- Κουμπιά ---------- */
.btn {
  position: relative; overflow: hidden;
  display: inline-flex; align-items: center; gap: .6em;
  min-height: 44px; padding: .85em 1.25em;
  font: 700 .975rem/1.1 var(--font-display); letter-spacing: -.005em;
  border: 1px solid transparent; border-radius: 12px;
  text-decoration: none; cursor: pointer;
  transition: transform .25s var(--ease), background-color .25s, box-shadow .25s, border-color .25s, color .25s;
}
.btn:active { transform: translateY(1px) scale(.99); }
.btn-sm { padding: .6em .95em; font-size: .9rem; border-radius: 10px; }
.btn-lg { padding: 1em 1.4em; font-size: 1.02rem; }
.btn-block { width: 100%; justify-content: center; }
.btn > span { display: flex; flex-direction: column; align-items: flex-start; }
.btn small { font: 500 .92rem/1.2 var(--font-mono); opacity: .9; margin-top: .25em; letter-spacing: .02em; }
.btn .ic { width: 1.15em; height: 1.15em; transition: transform .25s var(--ease); }
.btn:hover .ic:last-child:not(:first-child) { transform: translateX(3px); }

.btn-ice { background: var(--ice); color: var(--ink); }
.btn-ice:hover { background: #73d7f5; box-shadow: 0 10px 30px -10px rgba(76, 201, 240, .7); transform: translateY(-2px); }
.btn-ice::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(110deg, transparent 30%, rgba(255, 255, 255, .6) 50%, transparent 70%);
  transform: translateX(-120%); transition: transform .8s var(--ease);
}
.btn-ice:hover::after { transform: translateX(120%); }
.btn-ghost { background: rgba(255, 255, 255, .04); color: var(--text-inv); border-color: rgba(186, 225, 255, .28); }
.btn-ghost:hover { background: rgba(255, 255, 255, .09); border-color: rgba(186, 225, 255, .5); transform: translateY(-2px); }
.btn-ink { background: var(--ink); color: #fff; }
.btn-ink:hover { background: #14304a; transform: translateY(-2px); }

/* ---------- Header ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  height: var(--header-h); color: var(--text-inv);
  transition: background-color .35s, border-color .35s, backdrop-filter .35s;
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled {
  background: rgba(8, 19, 31, .82);
  -webkit-backdrop-filter: blur(14px) saturate(1.4);
  backdrop-filter: blur(14px) saturate(1.4);
  border-bottom-color: var(--ink-line);
}
.header-inner { height: 100%; display: flex; align-items: center; gap: 12px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; margin-right: auto; }
/* Λογότυπο (σήμα + «ΚΟΚΚΑΛΑΣ», διάφανο PNG/WebP σε 3x) */
.brand-logo { display: block; height: 44px; width: auto; transition: transform .5s var(--ease), filter .5s; }
.brand:hover .brand-logo { transform: scale(1.03); filter: drop-shadow(0 0 10px rgba(76, 201, 240, .35)); }
@media (max-width: 400px) { .brand-logo { height: 38px; } }

.nav { display: none; }
.nav a {
  position: relative; color: var(--muted-inv); text-decoration: none;
  font: 600 .95rem/1 var(--font-display); padding: 8px 0; transition: color .2s;
}
.nav a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 2px; border-radius: 2px;
  background: var(--ice); transform: scaleX(0); transform-origin: left; transition: transform .35s var(--ease);
}
.nav a:hover { color: #fff; }
.nav a:hover::after { transform: scaleX(1); }
.header-call { display: none; }
.menu-toggle {
  width: 44px; height: 44px; display: grid; place-items: center;
  background: rgba(255, 255, 255, .04); color: var(--text-inv);
  border: 1px solid var(--ink-line); border-radius: 11px; cursor: pointer;
}
.menu-toggle .ic { width: 22px; height: 22px; }
@media (min-width: 600px) { .header-call { display: inline-flex; } }
@media (min-width: 960px) {
  .nav { display: flex; gap: 28px; margin-right: 12px; }
  .menu-toggle { display: none; }
}

/* ---------- Μενού κινητού ---------- */
.mobile-menu {
  position: fixed; inset: 0; z-index: 70;
  background: rgba(6, 15, 25, .97);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  color: var(--text-inv);
  opacity: 0; transition: opacity .3s;
}
.mobile-menu.is-open { opacity: 1; }
.mobile-menu-inner {
  height: 100%; overflow-y: auto;
  display: flex; flex-direction: column; gap: 28px;
  padding: 20px var(--gutter) calc(28px + env(safe-area-inset-bottom));
}
.menu-close {
  align-self: flex-end; width: 44px; height: 44px; display: grid; place-items: center;
  background: rgba(255, 255, 255, .05); color: #fff; border: 1px solid var(--ink-line);
  border-radius: 11px; cursor: pointer;
}
.mobile-menu nav { display: flex; flex-direction: column; }
.mobile-menu nav a {
  font: 800 clamp(1.6rem, 7vw, 2.1rem)/1.15 var(--font-display); letter-spacing: -.02em;
  text-decoration: none; padding: 12px 0; border-bottom: 1px solid var(--ink-line);
  transform: translateY(14px); opacity: 0;
  transition: transform .5s var(--ease), opacity .5s, color .2s;
}
.mobile-menu.is-open nav a { transform: none; opacity: 1; }
.mobile-menu nav a:nth-child(2) { transition-delay: .03s; }
.mobile-menu nav a:nth-child(3) { transition-delay: .06s; }
.mobile-menu nav a:nth-child(4) { transition-delay: .09s; }
.mobile-menu nav a:nth-child(5) { transition-delay: .12s; }
.mobile-menu nav a:nth-child(6) { transition-delay: .15s; }
.mobile-menu nav a:nth-child(7) { transition-delay: .18s; }
.mobile-menu nav a:hover { color: var(--ice); }
.mobile-menu .btn { justify-content: center; margin-top: auto; }

/* ---------- Hero ---------- */
.hero {
  position: relative; isolation: isolate; overflow: hidden;
  background: var(--ink); color: var(--text-inv);
  padding: calc(var(--header-h) + 40px) 0 88px;
  --flow: var(--ice);
  --word-cool-glow: 1;
  --word-heat-glow: 0;
}
.hero::before {
  /* λεπτό πλέγμα σαν περσίδα */
  content: ""; position: absolute; inset: 0; z-index: -2;
  background-image:
    linear-gradient(rgba(155, 227, 248, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(155, 227, 248, .045) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(80% 70% at 70% 30%, #000 20%, transparent 75%);
  mask-image: radial-gradient(80% 70% at 70% 30%, #000 20%, transparent 75%);
}
.hero-glow { position: absolute; inset: 0; z-index: -3; }
.hero-glow::before, .hero-glow::after {
  content: ""; position: absolute; inset: 0; transition: opacity 1.4s var(--ease);
}
.hero-glow::before {
  background:
    radial-gradient(55% 50% at 78% 28%, rgba(76, 201, 240, .24), transparent 70%),
    radial-gradient(45% 45% at 5% 95%, rgba(91, 140, 255, .18), transparent 70%);
}
.hero-glow::after {
  opacity: 0;
  background:
    radial-gradient(55% 50% at 78% 28%, rgba(255, 122, 69, .24), transparent 70%),
    radial-gradient(45% 45% at 5% 95%, rgba(255, 179, 107, .14), transparent 70%);
}
.hero.is-heat { --flow: var(--heat-2); --word-cool-glow: 0; --word-heat-glow: 1; }
.hero.is-heat .hero-glow::before { opacity: 0; }
.hero.is-heat .hero-glow::after { opacity: 1; }
.hero-particles { position: absolute; inset: 0; width: 100%; height: 100%; z-index: -1; pointer-events: none; }

.hero-grid { display: grid; gap: 56px; align-items: center; }
@media (min-width: 960px) {
  .hero { min-height: max(680px, 100svh); display: flex; align-items: center; padding-bottom: 96px; }
  .hero-grid { grid-template-columns: 1.08fr .92fr; gap: 48px; width: 100%; }
}

.hero h1 {
  font-weight: 800; letter-spacing: -.035em; line-height: 1.02;
  font-size: clamp(2.55rem, 6.6vw, 4.7rem);
  text-wrap: balance;
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px; margin-bottom: 22px;
  padding: 8px 14px 8px 11px; border-radius: 999px;
  font: 600 .875rem/1.2 var(--font-body); letter-spacing: .01em;
  color: var(--ice-2); background: rgba(76, 201, 240, .1); border: 1px solid rgba(76, 201, 240, .28);
}
.eyebrow .ic { width: 16px; height: 16px; }
.hero-line { display: block; }
.hero-line em { font-style: normal; transition: text-shadow .9s var(--ease), opacity .9s var(--ease); }
.w-cool {
  color: var(--ice); opacity: calc(.8 + .2 * var(--word-cool-glow));
  text-shadow: 0 0 calc(var(--word-cool-glow) * 34px) rgba(76, 201, 240, .6);
}
.w-heat {
  color: var(--heat-2); opacity: calc(.8 + .2 * var(--word-heat-glow));
  text-shadow: 0 0 calc(var(--word-heat-glow) * 34px) rgba(255, 140, 80, .6);
}

.hero-lead { color: #b9cbd9; font-size: clamp(1.05rem, 1.5vw, 1.2rem); max-width: 34em; margin: 26px 0 32px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; }
@media (max-width: 599px) { .hero-cta .btn { flex: 1 1 100%; justify-content: center; } }
.hero-facts {
  list-style: none; padding: 0; margin: 36px 0 0;
  display: flex; flex-wrap: wrap; gap: 10px 24px; color: var(--muted-inv); font-size: .94rem;
}
.hero-facts li { display: flex; align-items: center; gap: 8px; }
.hero-facts .ic { color: var(--ice); width: 18px; height: 18px; }

/* συσκευή: κλιματιστικό + θερμοστάτης */
.hero-visual { position: relative; width: 100%; max-width: 470px; margin-inline: auto; }
.device { position: relative; padding-top: 10px; }
.outside-chip {
  position: absolute; z-index: 2; top: -8px; left: -6px;
  display: inline-flex; align-items: center; gap: 8px; padding: 8px 13px;
  border-radius: 999px; font: 600 .85rem/1 var(--font-body);
  color: #ffd2a8; background: rgba(8, 19, 31, .78); border: 1px solid rgba(255, 179, 107, .4);
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
  animation: float 6s ease-in-out infinite;
  transition: color .6s, border-color .6s;
}
.outside-chip b { font-family: var(--font-mono); font-weight: 500; }
.outside-chip .ic { width: 16px; height: 16px; }
.hero.is-heat .outside-chip { color: #cfe0ff; border-color: rgba(91, 140, 255, .45); }
.ac-unit { display: block; width: 100%; height: auto; filter: drop-shadow(0 24px 40px rgba(0, 0, 0, .4)); }
.ac-led { font: 500 16px var(--font-mono); fill: var(--ice); transition: fill .6s; }
.ac-dot { fill: var(--ice); animation: blink 2.4s ease-in-out infinite; transition: fill .6s; }
.hero.is-heat .ac-led { fill: var(--heat-2); }
.hero.is-heat .ac-dot { fill: var(--heat); }
.ac-flap { animation: flap 5s ease-in-out infinite; }
.airflow {
  display: block; width: 100%; height: auto; margin-top: -4px;
  -webkit-mask-image: linear-gradient(#000 25%, transparent 92%);
  mask-image: linear-gradient(#000 25%, transparent 92%);
}
.airflow path {
  fill: none; stroke: var(--flow); stroke-width: 3; stroke-linecap: round; opacity: .55;
  stroke-dasharray: 16 28; animation: flow 1.5s linear infinite;
  transition: stroke .8s;
}
.airflow path:nth-child(2) { animation-delay: -.4s; animation-duration: 1.7s; }
.airflow path:nth-child(3) { animation-delay: -.8s; }
.airflow path:nth-child(4) { animation-delay: -.2s; animation-duration: 1.6s; }
.airflow path:nth-child(5) { animation-delay: -1s; animation-duration: 1.8s; }

.thermo {
  --knob: var(--ice);
  position: relative; width: min(100%, 330px); margin: -78px auto 0; padding: 20px 20px 16px;
  border-radius: var(--r-lg);
  background: linear-gradient(160deg, rgba(255, 255, 255, .11), rgba(255, 255, 255, .03));
  border: 1px solid rgba(186, 225, 255, .2);
  -webkit-backdrop-filter: blur(18px) saturate(1.3); backdrop-filter: blur(18px) saturate(1.3);
  box-shadow: 0 30px 60px -24px rgba(0, 0, 0, .6), inset 0 1px 0 rgba(255, 255, 255, .14);
}
.gauge { position: relative; width: 216px; aspect-ratio: 1; margin: 0 auto; }
.gauge-svg { width: 100%; height: 100%; overflow: visible; display: block; }
.gauge-track { fill: none; stroke: rgba(255, 255, 255, .07); stroke-width: 16; stroke-linecap: round; }
.gauge-arc { fill: none; stroke: url(#tempGrad); stroke-width: 6; stroke-linecap: round; }
.gauge-ticks line { stroke: rgba(255, 255, 255, .16); stroke-width: 1.4; stroke-linecap: round; }
.gauge-ticks line.major { stroke: rgba(255, 255, 255, .38); stroke-width: 2; }
.gauge-knob { fill: #fff; stroke: var(--knob); stroke-width: 4; }
.gauge-knob-glow { fill: var(--knob); opacity: .85; }
.gauge-readout {
  position: absolute; inset: 0; padding-top: 4px;
  display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center;
}
.gauge-label { font-size: .74rem; color: var(--muted-inv); letter-spacing: .02em; }
.gauge-temp {
  display: flex; align-items: flex-start; color: var(--knob);
  font: 800 4.1rem/1 var(--font-display); letter-spacing: -.05em; font-variant-numeric: tabular-nums;
  text-shadow: 0 0 30px color-mix(in srgb, var(--knob) 45%, transparent);
}
.gauge-temp sup { font-size: .32em; margin: .38em 0 0 3px; color: var(--muted-inv); letter-spacing: 0; }
.gauge-status { min-height: 1.3em; margin-top: 6px; font: 600 .8rem/1.3 var(--font-body); color: var(--text-inv); }
.mode-toggle {
  display: grid; grid-template-columns: 1fr 1fr; gap: 6px; margin-top: 8px; padding: 5px;
  background: rgba(0, 0, 0, .28); border: 1px solid rgba(186, 225, 255, .12); border-radius: 12px;
}
.mode-btn {
  appearance: none; display: flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 42px; padding: 10px; border: 0; border-radius: 9px; cursor: pointer;
  background: transparent; color: var(--muted-inv); font: 700 .92rem/1 var(--font-display);
  transition: background-color .3s, color .3s, box-shadow .3s;
}
.mode-btn .ic { width: 18px; height: 18px; }
.mode-btn:hover { color: #fff; }
.mode-btn.is-active[data-mode="cool"] { background: rgba(76, 201, 240, .17); color: var(--ice-2); box-shadow: inset 0 0 0 1px rgba(76, 201, 240, .4); }
.mode-btn.is-active[data-mode="heat"] { background: rgba(255, 122, 69, .17); color: #ffc89e; box-shadow: inset 0 0 0 1px rgba(255, 122, 69, .45); }

.scroll-cue {
  display: none; position: absolute; left: 50%; bottom: 26px; translate: -50% 0;
  width: 26px; height: 42px; border: 2px solid rgba(186, 225, 255, .35); border-radius: 14px;
}
.scroll-cue span {
  position: absolute; left: 50%; top: 8px; width: 4px; height: 8px; margin-left: -2px;
  border-radius: 2px; background: var(--ice); animation: cue 2s var(--ease) infinite;
}
@media (min-width: 960px) and (min-height: 760px) { .scroll-cue { display: block; } }

/* ---------- Marquee ---------- */
.marquee {
  overflow: hidden; background: var(--ink-2); color: var(--text-inv);
  border-block: 1px solid var(--ink-line);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.marquee-track { display: flex; width: max-content; animation: marquee 42s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee ul { display: flex; list-style: none; margin: 0; padding: 0; }
.marquee li {
  display: flex; align-items: center; gap: 30px; padding: 18px 0 18px 30px; white-space: nowrap;
  font: 700 1.02rem/1 var(--font-display); letter-spacing: -.01em;
}
.marquee li::before {
  content: ""; width: 7px; height: 7px; border-radius: 2px; background: var(--ice); transform: rotate(45deg);
  box-shadow: 0 0 12px var(--ice);
}

/* ---------- Ενότητες ---------- */
.section { position: relative; padding: clamp(76px, 10vw, 128px) 0; }
.section-light { background: var(--frost); color: var(--text); --focus: var(--ice-deep); }
.section-tint { background: linear-gradient(180deg, var(--frost), var(--frost-2)); color: var(--text); --focus: var(--ice-deep); }
.section-dark { background: var(--ink); color: var(--text-inv); --focus: var(--ice); overflow: hidden; }
.section-head { max-width: 720px; margin: 0 auto clamp(40px, 6vw, 64px); text-align: center; }
.section-head-left { text-align: left; margin-left: 0; }
.kicker {
  display: inline-flex; align-items: center; gap: 10px;
  font: 700 .86rem/1 var(--font-display); letter-spacing: .06em; color: var(--ice-deep);
}
.kicker::before { content: ""; width: 26px; height: 2px; border-radius: 2px; background: currentColor; }
.kicker-ice { color: var(--ice); }
.section h2 {
  font-weight: 800; letter-spacing: -.03em; line-height: 1.08;
  font-size: clamp(2rem, 4.3vw, 3.1rem); margin: 16px 0 16px; text-wrap: balance;
}
.section-lead { color: var(--muted); font-size: 1.08rem; max-width: 40em; text-wrap: pretty; }
.section-head .section-lead { margin-inline: auto; }
.section-head-left .section-lead { margin-left: 0; }
.section-dark .section-lead { color: var(--muted-inv); }

/* ---------- Υπηρεσίες (bento) ---------- */
.bento { display: grid; gap: 16px; }
@media (min-width: 720px) {
  .bento { grid-template-columns: repeat(2, 1fr); }
  .card-feature { grid-column: 1 / -1; }
}
@media (min-width: 1040px) {
  .bento { grid-template-columns: repeat(3, 1fr); }
  .card-feature { grid-column: 1 / 3; grid-row: 1 / 3; }
  /* 4 μικρές κάρτες: η τελευταία πιάνει τις 2 στήλες της 3ης σειράς */
  .bento > .card:last-child { grid-column: 2 / 4; }
}
.card {
  --rx: 0deg; --ry: 0deg; --lift: 0px;
  position: relative; isolation: isolate; overflow: hidden;
  padding: 28px; border-radius: var(--r-md);
  background: var(--paper); border: 1px solid var(--line);
  transform: perspective(1000px) rotateX(var(--rx)) rotateY(var(--ry)) translateY(var(--lift));
  transition: transform .4s var(--ease), box-shadow .4s, border-color .4s;
}
.card:hover { --lift: -4px; box-shadow: 0 26px 50px -30px rgba(11, 40, 64, .4); border-color: #bcd4e3; }
.spot::before {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 50%), rgba(76, 201, 240, .14), transparent 45%);
  opacity: 0; transition: opacity .35s;
}
.spot::after {
  content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1.5px; pointer-events: none;
  background: radial-gradient(260px circle at var(--mx, 50%) var(--my, 50%), rgba(10, 150, 200, .9), transparent 45%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask-composite: exclude;
  opacity: 0; transition: opacity .35s;
}
.spot:hover::before, .spot:hover::after { opacity: 1; }
.card-icon {
  width: 50px; height: 50px; display: grid; place-items: center; margin-bottom: 20px;
  border-radius: 13px; color: var(--ice-deep);
  background: linear-gradient(145deg, #e3f5fc, #cfeaf6);
  transition: transform .5s var(--ease);
}
.card-icon .ic { width: 25px; height: 25px; }
.card:hover .card-icon { transform: rotate(-8deg) scale(1.07); }
.card h3 { font-size: 1.24rem; font-weight: 800; line-height: 1.25; letter-spacing: -.02em; margin-bottom: 8px; }
.card p { color: var(--muted); font-size: 1rem; }

.card-feature {
  display: flex; flex-direction: column; justify-content: space-between; padding: 0;
  background: linear-gradient(165deg, #ffffff 0%, #ecf5fa 100%);
}
.card-feature .card-body { padding: 32px 32px 4px; }
.card-feature h3 { font-size: clamp(1.5rem, 2.5vw, 1.95rem); }
.card-feature p { max-width: 36em; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; margin: 20px 0 0; padding: 0; }
.tags li {
  font: 600 .82rem/1 var(--font-body); padding: 8px 12px; border-radius: 999px;
  background: var(--frost-2); color: #284559; border: 1px solid var(--line);
}
.install-art { display: block; width: 100%; height: auto; margin-top: 16px; }
@media (min-width: 720px) and (max-width: 1039px) {
  .card-feature { display: grid; grid-template-columns: 1fr 1.15fr; align-items: center; }
  .card-feature .card-body { padding: 32px; }
  .install-art { margin: 0; align-self: stretch; height: 100%; }
}
@media (min-width: 1040px) { .install-art { margin-top: auto; } }
.install-art .room { fill: rgba(11, 60, 96, .035); }
.install-art .wall-slab { fill: #dbe7f0; }
.art-label { font: 600 11px var(--font-body); fill: #637a8d; }
.mini-led { font: 500 9px var(--font-mono); fill: var(--ice-deep); }
.mini-flow {
  fill: none; stroke: var(--ice); stroke-width: 2.5; stroke-linecap: round; opacity: .55;
  stroke-dasharray: 10 16; animation: flow 1.6s linear infinite;
}
.mini-flow:nth-of-type(2) { animation-delay: -.5s; }
.mini-flow:nth-of-type(3) { animation-delay: -1s; }
.pipe { fill: none; stroke-linecap: round; }
.pipe-base { stroke: #cddbe6; stroke-width: 8; }
.pipe-cold { stroke: var(--ice); stroke-width: 3; stroke-dasharray: 6 14; animation: pipe 1.1s linear infinite; }
.pipe-warm { stroke: var(--heat-2); stroke-width: 3; stroke-dasharray: 6 14; animation: pipe 1.1s linear infinite reverse; }
.fan { transform-origin: 420px 155px; animation: spin 1.2s linear infinite; }
.led-blink { fill: var(--ice); animation: blink 2s ease-in-out infinite; }

/* ---------- Επιχειρήσεις ---------- */
.frost-field {
  position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(50% 60% at 88% 18%, rgba(76, 201, 240, .15), transparent 70%),
    radial-gradient(40% 50% at 0% 100%, rgba(91, 140, 255, .12), transparent 70%);
}
.business-grid { position: relative; display: grid; gap: 52px; align-items: center; }
@media (min-width: 960px) { .business-grid { grid-template-columns: 1.1fr .9fr; gap: 64px; } }
.checklist { list-style: none; padding: 0; margin: 30px 0 36px; display: grid; gap: 14px; }
.checklist li { display: flex; align-items: flex-start; gap: 12px; color: #d3e2ec; }
.checklist .ic {
  width: 26px; height: 26px; padding: 5px; margin-top: 0; border-radius: 50%;
  background: var(--ice); color: var(--ink); stroke-width: 3;
}

.controller {
  position: relative; overflow: hidden; padding: 24px;
  border-radius: var(--r-lg);
  background: linear-gradient(160deg, #11283d, #091725);
  border: 1px solid rgba(186, 225, 255, .15);
  box-shadow: 0 50px 90px -50px rgba(0, 0, 0, .9), inset 0 1px 0 rgba(255, 255, 255, .06);
}
.controller::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(160px 160px at 0 0, rgba(205, 240, 255, .2), transparent 70%),
    radial-gradient(200px 200px at 100% 100%, rgba(205, 240, 255, .12), transparent 70%);
  animation: frost 7s ease-in-out infinite alternate;
}
.controller-head {
  position: relative; display: flex; justify-content: space-between; align-items: center; gap: 12px;
  margin-bottom: 18px; font: 700 .95rem/1.2 var(--font-display);
}
.live { display: inline-flex; align-items: center; gap: 8px; font: 600 .8rem/1 var(--font-body); color: var(--ice-2); }
.live i { width: 8px; height: 8px; border-radius: 50%; background: var(--ice); animation: pulse 2s ease-out infinite; }
.displays { position: relative; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.display {
  padding: 16px 16px 14px; border-radius: 12px;
  background: #040b13; border: 1px solid rgba(76, 201, 240, .2);
  box-shadow: inset 0 0 34px rgba(76, 201, 240, .07);
}
.display-label { display: block; margin-bottom: 8px; font-size: .8rem; color: var(--muted-inv); }
.display-value {
  display: flex; align-items: baseline; gap: 4px; color: var(--ice);
  font: 500 clamp(1.7rem, 4.4vw, 2.4rem)/1 var(--font-mono); font-variant-numeric: tabular-nums;
  text-shadow: 0 0 18px rgba(76, 201, 240, .55);
}
.display-value small { font-size: .42em; color: var(--muted-inv); text-shadow: none; }
.display-freeze .display-value { color: #93b6ff; text-shadow: 0 0 18px rgba(91, 140, 255, .6); }
.display-bar { display: block; height: 4px; margin-top: 14px; border-radius: 4px; background: rgba(255, 255, 255, .06); overflow: hidden; }
.display-bar i {
  display: block; height: 100%; width: var(--w); border-radius: inherit;
  background: linear-gradient(90deg, var(--ice), #93b6ff);
  transform-origin: left; animation: bar 3.2s ease-in-out infinite alternate;
}
.leds { position: relative; list-style: none; padding: 0; margin: 18px 0 0; display: flex; flex-wrap: wrap; gap: 10px 22px; font-size: .84rem; color: var(--muted-inv); }
.leds li { display: flex; align-items: center; gap: 8px; }
.leds i { width: 9px; height: 9px; border-radius: 50%; background: rgba(255, 255, 255, .16); }
.leds .on i { background: var(--ice); box-shadow: 0 0 10px var(--ice); }
.leds .on:first-child i { animation: blink 1.6s ease-in-out infinite; }
.controller-flake {
  position: absolute; right: -34px; bottom: -34px; width: 170px; height: 170px; pointer-events: none;
  fill: none; stroke: rgba(155, 227, 248, .08); stroke-width: 1.2; stroke-linecap: round;
  animation: spin 50s linear infinite;
}

/* ---------- BTU ---------- */
.btu-grid { display: grid; gap: 36px; align-items: center; }
@media (min-width: 1040px) { .btu-grid { grid-template-columns: .78fr 1.22fr; gap: 56px; } .btu-grid .section-head { margin-bottom: 0; } }
.btu-card {
  display: grid; overflow: hidden; border-radius: var(--r-lg);
  background: var(--paper); border: 1px solid var(--line);
  box-shadow: 0 34px 70px -46px rgba(11, 40, 64, .45);
}
@media (min-width: 720px) { .btu-card { grid-template-columns: 1.1fr 1fr; } }
.btu-inputs { padding: 28px; }
.range-label { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; margin-bottom: 16px; font: 700 1rem/1.2 var(--font-display); }
.range-label output { font: 800 1.7rem/1 var(--font-display); color: var(--ice-deep); letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.range {
  --fill: 23.6%;
  -webkit-appearance: none; appearance: none; width: 100%; height: 8px; margin: 8px 0; border-radius: 8px;
  background: linear-gradient(90deg, var(--ice-deep), var(--ice) var(--fill), var(--frost-2) var(--fill));
  cursor: pointer;
}
.range::-webkit-slider-thumb {
  -webkit-appearance: none; width: 28px; height: 28px; border-radius: 50%;
  background: var(--ink); border: 5px solid #fff;
  box-shadow: 0 0 0 1px var(--line), 0 6px 16px rgba(11, 40, 64, .35);
  transition: transform .2s var(--ease);
}
.range::-moz-range-thumb {
  width: 18px; height: 18px; border-radius: 50%; background: var(--ink); border: 5px solid #fff;
  box-shadow: 0 0 0 1px var(--line), 0 6px 16px rgba(11, 40, 64, .35);
}
.range:active::-webkit-slider-thumb { transform: scale(1.12); }
.range:focus-visible { outline: 3px solid var(--focus); outline-offset: 6px; }
.range-scale { display: flex; justify-content: space-between; margin-top: 6px; font-size: .8rem; color: var(--muted); }
.switches { border: 0; padding: 0; margin: 28px 0 0; display: grid; gap: 14px; min-width: 0; }
.switches legend { padding: 0; margin-bottom: 14px; font: 700 1rem/1.2 var(--font-display); }
.switch { display: flex; align-items: center; gap: 12px; cursor: pointer; font-size: .96rem; line-height: 1.4; color: #2a4256; }
.switch input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.switch-ui { position: relative; flex: none; width: 44px; height: 26px; border-radius: 999px; background: #cfdde7; transition: background-color .25s; }
.switch-ui::after {
  content: ""; position: absolute; top: 3px; left: 3px; width: 20px; height: 20px; border-radius: 50%;
  background: #fff; box-shadow: 0 1px 4px rgba(0, 0, 0, .25); transition: transform .3s var(--ease);
}
.switch input:checked + .switch-ui { background: var(--ice-deep); }
.switch input:checked + .switch-ui::after { transform: translateX(18px); }
.switch input:focus-visible + .switch-ui { outline: 3px solid var(--focus); outline-offset: 2px; }

.btu-result {
  position: relative; display: flex; flex-direction: column; padding: 28px;
  background: radial-gradient(120% 100% at 100% 0%, #133550 0%, var(--ink) 62%); color: var(--text-inv);
  --focus: var(--ice);
}
.btu-result-label { font-size: .88rem; color: var(--muted-inv); }
.btu-value {
  margin-top: 6px; color: #fff;
  font: 800 clamp(2.6rem, 6vw, 3.5rem)/1 var(--font-display); letter-spacing: -.035em; font-variant-numeric: tabular-nums;
}
.btu-value small { font-size: .38em; color: var(--ice); letter-spacing: 0; }
.btu-note { min-height: 3.2em; margin: 10px 0 18px; font-size: .95rem; color: var(--muted-inv); }
.btu-scale { list-style: none; padding: 0; margin: 0 0 22px; display: grid; grid-template-columns: repeat(5, 1fr); gap: 4px; }
.btu-scale li {
  padding-top: 8px; text-align: center; font: 500 .7rem/1 var(--font-mono);
  color: rgba(255, 255, 255, .38); border-top: 4px solid rgba(255, 255, 255, .1);
  transition: color .3s, border-color .3s;
}
.btu-scale li.is-past { border-top-color: rgba(76, 201, 240, .4); }
.btu-scale li.is-on { color: var(--ice-2); border-top-color: var(--ice); }
.btu-result .btn { align-self: flex-start; }
.fineprint { margin-top: 14px; font-size: .8rem; line-height: 1.5; color: var(--muted); }
.btu-result .fineprint { color: var(--muted-inv); }

/* ---------- Διαδικασία ---------- */
.timeline { --tp: 0; position: relative; list-style: none; padding: 0; margin: 0; display: grid; gap: 28px; }
.timeline::before, .timeline::after {
  content: ""; position: absolute; left: 23px; top: 10px; bottom: 10px; width: 2px; border-radius: 2px;
}
.timeline::before { background: var(--line); }
.timeline::after {
  background: linear-gradient(var(--ice), var(--cold));
  transform: scaleY(var(--tp)); transform-origin: top;
}
.step { position: relative; z-index: 1; padding-left: 70px; }
.step-num {
  position: absolute; left: 0; top: 0; width: 48px; height: 48px; display: grid; place-items: center;
  border-radius: 50%; background: var(--paper); border: 2px solid var(--line); color: var(--muted);
  font: 800 .95rem/1 var(--font-display);
  transition: background-color .5s, border-color .5s, color .5s, box-shadow .5s;
}
.step.is-lit .step-num { background: var(--ice); border-color: var(--ice); color: var(--ink); box-shadow: 0 0 0 7px rgba(76, 201, 240, .18); }
.step h3 { margin: 10px 0 6px; font-size: 1.22rem; font-weight: 800; letter-spacing: -.02em; }
.step p { color: var(--muted); }
@media (min-width: 900px) {
  .timeline { grid-template-columns: repeat(4, 1fr); gap: 28px; }
  /* η γραμμή σταματά στον τελευταίο κύκλο: 4 στήλες, 3 κενά των 28px */
  .timeline::before, .timeline::after { left: 24px; right: calc((100% - 84px) / 4 - 24px); top: 23px; bottom: auto; width: auto; height: 2px; }
  .timeline::after { background: linear-gradient(90deg, var(--ice), var(--cold)); transform: scaleX(var(--tp)); transform-origin: left; }
  .step { padding: 74px 8px 0 0; }
}

/* ---------- Περιοχές ---------- */
.areas-grid { position: relative; display: grid; gap: 48px; align-items: center; }
@media (min-width: 1040px) { .areas-grid { grid-template-columns: .9fr 1.1fr; gap: 64px; } }
.area-chips { list-style: none; padding: 0; margin: 28px 0 0; display: flex; flex-wrap: wrap; gap: 8px; }
.area-chips button {
  appearance: none; min-height: 44px; padding: 10px 16px; border-radius: 999px; cursor: pointer;
  font: 600 .92rem/1 var(--font-body); color: var(--text-inv);
  background: rgba(255, 255, 255, .04); border: 1px solid rgba(186, 225, 255, .2);
  transition: background-color .25s, border-color .25s, color .25s, transform .25s var(--ease);
}
.area-chips button:hover, .area-chips button.is-active {
  background: rgba(76, 201, 240, .16); border-color: var(--ice); color: #fff; transform: translateY(-2px);
}
.area-chips .is-home { border-color: var(--ice); display: inline-flex; align-items: center; gap: 8px; }
.area-chips .is-home::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--ice); box-shadow: 0 0 10px var(--ice); }
.radar { width: 100%; max-width: 720px; }
.radar svg {
  display: block; width: 100%; height: auto; border-radius: 18px;
  border: 1px solid rgba(186, 225, 255, .15);
  box-shadow: 0 50px 90px -50px rgba(0, 0, 0, .9);
}
.radar-rings circle, .radar-rings path { fill: none; stroke: rgba(155, 227, 248, .16); stroke-width: 1; }
.radar-rings circle { stroke-dasharray: 3 5; }
.radar-km text { font: 500 9px var(--font-mono); fill: rgba(155, 227, 248, .5); }
.radar .sea { font: 500 10px var(--font-body); letter-spacing: .25em; fill: rgba(155, 227, 248, .32); }
.radar-sweep { transform-origin: 220px 190px; animation: spin 7s linear infinite; }
.dot { cursor: pointer; }
.dot circle { fill: var(--ice); transition: fill .3s; }
.dot .ping {
  fill: none; stroke: var(--ice); stroke-width: 1.5; opacity: 0;
  transform-box: fill-box; transform-origin: center;
  animation: ping 2.8s ease-out infinite;
}
.dot:nth-child(2n) .ping { animation-delay: -.7s; }
.dot:nth-child(3n) .ping { animation-delay: -1.4s; }
.dot:nth-child(5n) .ping { animation-delay: -2.1s; }
.dot text {
  font: 600 11px var(--font-body); fill: rgba(234, 244, 250, .86);
  paint-order: stroke; stroke: #0a1724; stroke-width: 3.5px; stroke-linejoin: round;
  transition: fill .3s;
}
.dot-home circle:not(.ping) { fill: #fff; }
.dot-home text { font-size: 13px; font-weight: 800; fill: #fff; font-family: var(--font-display); }
.dot.is-active circle:not(.ping) { fill: #fff; }
.dot.is-active text { fill: var(--ice-2); }
.dot.is-active .ping { animation-duration: 1.1s; }
.radar-caption { display: flex; align-items: center; gap: 8px; margin-top: 12px; font-size: .85rem; color: var(--muted-inv); }
.radar-caption .ic { width: 16px; height: 16px; color: var(--ice); }
@media (max-width: 600px) {
  /* στο κινητό το JS κόβει το κάδρο (viewBox) και τα γράμματα μεγαλώνουν */
  .dot text { font-size: 14px; }
  .dot-home text { font-size: 15px; }
  .radar-km text { font-size: 11px; }
  .dot text.minor { opacity: 0; transition: opacity .3s; }
  .dot.is-active text.minor { opacity: 1; }
}

/* ---------- FAQ ---------- */
.faq-grid { display: grid; gap: 36px; }
@media (min-width: 1040px) { .faq-grid { grid-template-columns: .8fr 1.2fr; gap: 64px; align-items: start; } .faq-grid .section-head { margin-bottom: 0; position: sticky; top: calc(var(--header-h) + 32px); } }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list details:first-child { border-top: 1px solid var(--line); }
.faq-list summary {
  display: flex; justify-content: space-between; align-items: center; gap: 24px;
  padding: 22px 0; cursor: pointer; list-style: none;
  font: 700 1.1rem/1.35 var(--font-display); letter-spacing: -.01em;
  transition: color .2s;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary:hover { color: var(--ice-deep); }
.faq-plus {
  position: relative; flex: none; width: 34px; height: 34px; border-radius: 50%;
  border: 1px solid var(--line); color: var(--text);
  transition: background-color .3s, border-color .3s, color .3s, transform .45s var(--ease);
}
.faq-plus::before, .faq-plus::after {
  content: ""; position: absolute; left: 50%; top: 50%; width: 12px; height: 2px; border-radius: 2px;
  background: currentColor; translate: -50% -50%; transition: rotate .35s var(--ease);
}
.faq-plus::after { rotate: 90deg; }
.faq-list details[open] .faq-plus { background: var(--ink); border-color: var(--ink); color: #fff; transform: rotate(180deg); }
.faq-list details[open] .faq-plus::after { rotate: 0deg; }
.faq-body { padding: 0 52px 24px 0; color: var(--muted); }
.faq-body a { color: var(--ice-deep); font-weight: 600; }
.faq-list details[open] .faq-body { animation: faq-in .45s var(--ease); }
@supports (interpolate-size: allow-keywords) {
  .faq-list details::details-content {
    height: 0; overflow: clip;
    transition: height .4s var(--ease), content-visibility .4s allow-discrete;
  }
  .faq-list details[open]::details-content { height: auto; }
}

/* ---------- Επικοινωνία ---------- */
.contact-grid { position: relative; display: grid; gap: 48px; }
@media (min-width: 960px) { .contact-grid { grid-template-columns: .9fr 1.1fr; gap: 64px; align-items: start; } }
.contact::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(50% 60% at 0% 0%, rgba(76, 201, 240, .14), transparent 70%);
}
.call-card {
  display: flex; align-items: center; gap: 16px; margin-top: 32px; padding: 18px 20px;
  border-radius: var(--r-md); text-decoration: none; color: #fff;
  background: linear-gradient(135deg, rgba(76, 201, 240, .17), rgba(76, 201, 240, .04));
  border: 1px solid rgba(76, 201, 240, .38);
  transition: transform .3s var(--ease), border-color .3s, box-shadow .3s;
}
.call-card:hover { transform: translateY(-3px); border-color: var(--ice); box-shadow: 0 20px 40px -24px rgba(76, 201, 240, .6); }
.call-icon {
  position: relative; flex: none; width: 54px; height: 54px; display: grid; place-items: center;
  border-radius: 50%; background: var(--ice); color: var(--ink);
}
.call-icon::after { content: ""; position: absolute; inset: 0; border-radius: 50%; animation: pulse 2.2s ease-out infinite; }
.call-icon .ic { width: 24px; height: 24px; stroke-width: 2; }
.call-card small { display: block; font-size: .82rem; color: var(--muted-inv); }
.call-card strong { font: 800 1.5rem/1.2 var(--font-display); letter-spacing: -.01em; font-variant-numeric: tabular-nums; }
.call-arrow { margin-left: auto; color: var(--ice); transition: transform .3s var(--ease); }
.call-card:hover .call-arrow { transform: translateX(4px); }
.contact-info { list-style: none; padding: 0; margin: 24px 0 0; display: grid; gap: 12px; color: var(--muted-inv); }
.contact-info li { display: flex; align-items: center; gap: 12px; }
.contact-info .ic { color: var(--ice); }
.contact-info a { color: var(--text-inv); text-decoration-color: rgba(76, 201, 240, .5); text-underline-offset: 3px; }
.contact-info a:hover { color: var(--ice-2); }

.contact-form {
  --focus: var(--ice-deep);
  padding: clamp(22px, 4vw, 36px); border-radius: var(--r-lg);
  background: var(--paper); color: var(--text);
  box-shadow: 0 50px 90px -50px rgba(0, 0, 0, .8);
}
.field { display: grid; gap: 6px; margin-bottom: 16px; min-width: 0; }
.field label { font: 700 .9rem/1.3 var(--font-display); }
.field label span { color: var(--heat-deep); }
.field input, .field select, .field textarea {
  width: 100%; min-height: 48px; padding: 12px 14px;
  font: inherit; font-size: 1rem; color: var(--text);
  background: var(--frost); border: 1.5px solid var(--line); border-radius: 10px;
  transition: border-color .2s, box-shadow .2s, background-color .2s;
}
.field textarea { resize: vertical; min-height: 112px; }
.field select {
  -webkit-appearance: none; appearance: none; padding-right: 40px; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%234f6578' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 12px center; background-size: 18px;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; background-color: #fff; border-color: var(--ice-deep); box-shadow: 0 0 0 4px rgba(10, 110, 150, .16);
}
.field [aria-invalid="true"] { border-color: var(--heat-deep); box-shadow: 0 0 0 4px rgba(178, 60, 10, .12); }
.field-error { font-size: .86rem; color: var(--heat-deep); }
.field-row { display: grid; gap: 0 16px; }
@media (min-width: 560px) { .field-row { grid-template-columns: 1fr 1fr; } }
.contact-form .btn-block { margin-top: 6px; }
.form-status {
  margin-top: 14px; padding: 12px 14px; border-radius: 10px; font-size: .94rem;
  background: #e6f6fc; color: #07506d; border: 1px solid #bce5f5;
}
.form-status.is-warn { background: #fff3ea; color: #8a3008; border-color: #ffd1b3; }

/* ---------- Footer ---------- */
.site-footer { background: #050d16; color: var(--muted-inv); padding: 44px 0 calc(44px + 84px); font-size: .92rem; }
@media (min-width: 768px) { .site-footer { padding-bottom: 44px; } }
.footer-inner { display: grid; gap: 24px; }
@media (min-width: 960px) { .footer-inner { grid-template-columns: auto 1fr auto; align-items: center; gap: 32px; } }
.footer-brand { display: flex; flex-direction: column; align-items: flex-start; gap: 10px; }
.footer-logo { display: block; height: 64px; width: auto; }
.footer-brand span { font-size: .85rem; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 8px 20px; }
@media (min-width: 960px) { .footer-nav { justify-content: center; } }
.footer-nav a { display: inline-block; padding: 11px 0; text-decoration: none; transition: color .2s; }
.footer-nav a:hover { color: #fff; }
.footer-meta { font-size: .85rem; }
.footer-meta a { color: var(--ice-2); white-space: nowrap; }

/* ---------- Μπάρα κλήσης (κινητό) ---------- */
.callbar {
  position: fixed; z-index: 40; left: 12px; right: 12px; bottom: calc(12px + env(safe-area-inset-bottom));
  display: grid; grid-template-columns: 1.4fr 1fr; gap: 8px; padding: 8px;
  border-radius: 16px; background: rgba(8, 19, 31, .9);
  -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
  border: 1px solid rgba(186, 225, 255, .18);
  box-shadow: 0 20px 40px -10px rgba(0, 0, 0, .55);
  transform: translateY(150%); transition: transform .45s var(--ease);
}
.callbar.is-visible { transform: none; }
.callbar .btn { justify-content: center; }
@media (min-width: 768px) { .callbar { display: none; } }

/* ---------- Εμφάνιση κατά το scroll ---------- */
.js [data-reveal] {
  opacity: 0; translate: 0 26px;
  transition: opacity .9s var(--ease), translate .9s var(--ease), clip-path 1s var(--ease);
  transition-delay: calc(var(--d, 0) * 90ms);
  /* δίχτυ ασφαλείας: αν δεν τρέξει το main.js, όλα φαίνονται μετά από 2,5 δευτ. */
  animation: reveal-fallback 0s 2.5s forwards;
}
.js [data-reveal].is-in { opacity: 1; translate: 0 0; animation: none; }
@keyframes reveal-fallback { to { opacity: 1; translate: 0 0; clip-path: none; } }

/* Hero: εμφανίζεται μόνο με CSS (χωρίς αναμονή για JS), ώστε ο τίτλος να ζωγραφίζεται αμέσως (LCP).
   Ο τίτλος (H1) δεν ξεκινά αόρατος· μόνο γλιστράει λίγο. */
.js .hero [data-reveal] {
  opacity: 1; translate: none; clip-path: none; transition: none;
  animation: hero-in .8s var(--ease) both; animation-delay: calc(var(--d, 0) * 80ms);
}
.js .hero .hero-line[data-reveal] { animation-name: hero-line-in; }
@keyframes hero-in { from { opacity: 0; translate: 0 18px; } }
@keyframes hero-line-in { from { translate: 0 .35em; } }

/* ---------- Keyframes ---------- */
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes blink { 50% { opacity: .25; } }
@keyframes float { 50% { transform: translateY(-8px); } }
@keyframes flap { 50% { transform: translateY(2.5px); } }
@keyframes flow { to { stroke-dashoffset: -44; } }
@keyframes pipe { to { stroke-dashoffset: -20; } }
@keyframes marquee { to { transform: translateX(-50%); } }
@keyframes ping { 0% { transform: scale(1); opacity: .9; } 100% { transform: scale(3.4); opacity: 0; } }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(76, 201, 240, .55); } 100% { box-shadow: 0 0 0 14px rgba(76, 201, 240, 0); } }
@keyframes frost { from { opacity: .55; } to { opacity: 1; } }
@keyframes bar { from { transform: scaleX(.9); } to { transform: scaleX(1); } }
@keyframes cue { 0% { transform: translateY(0); opacity: 0; } 30% { opacity: 1; } 100% { transform: translateY(12px); opacity: 0; } }
@keyframes faq-in { from { opacity: 0; transform: translateY(-6px); } }

/* ---------- Λιγότερη κίνηση ----------
   Τα εφέ μένουν (επιλογή πελάτη 2026-11-06)· κόβονται μόνο οι μεγάλες μετακινήσεις:
   οι ενότητες εμφανίζονται με απαλό σβήσιμο, χωρίς γλίστρημα και χωρίς ομαλή κύλιση. */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js [data-reveal], .js .hero-line[data-reveal] { translate: none; clip-path: none; }
  .marquee-track { animation-duration: 90s; }
  .outside-chip { animation: none; }
  .js .hero [data-reveal] { animation-name: hero-fade; }
  .js .hero .hero-line[data-reveal] { animation: none; }
}
@keyframes hero-fade { from { opacity: 0; } }

/* Παγίδα για bots στη φόρμα (δεν φαίνεται σε ανθρώπους) */
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }