/* ==========================================================
   Art direction: Ipari/otthoni villanyszerelés Kft.
   Palette: Fekete alapok + Élénk piros akcentus
   Typography: Cabinet Grotesk (display) + Satoshi (body)
   Density: balanced
   ========================================================== */

/* ——— DESIGN TOKENS ——— */
:root, [data-theme="light"] {
  --color-bg:              #f5f4f2;
  --color-surface:         #f9f8f6;
  --color-surface-2:       #fefefe;
  --color-surface-offset:  #eeecea;
  --color-surface-offset-2:#e6e4e0;
  --color-surface-dynamic: #dddbd7;
  --color-divider:         #d5d3cf;
  --color-border:          #cac8c4;
  --color-text:            #1a1a18;
  --color-text-muted:      #5c5b58;
  --color-text-faint:      #a8a7a3;
  --color-text-inverse:    #f9f8f6;
  --color-primary:         #cc1a1a;
  --color-primary-hover:   #a81414;
  --color-primary-active:  #870f0f;
  --color-primary-highlight: #f5d8d8;
  --color-dark:            #0f0f0e;
  --color-dark-surface:    #1a1a18;

  --radius-sm:   0.25rem;
  --radius-md:   0.4rem;
  --radius-lg:   0.625rem;
  --radius-xl:   1rem;
  --radius-full: 9999px;

  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  --shadow-sm: 0 1px 2px oklch(0.1 0.02 20 / 0.06);
  --shadow-md: 0 4px 12px oklch(0.1 0.02 20 / 0.09);
  --shadow-lg: 0 12px 32px oklch(0.1 0.02 20 / 0.13);

  --content-narrow:  640px;
  --content-default: 960px;
  --content-wide:    1200px;

  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem    + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1.2rem  + 1.25vw, 2.25rem);
  --text-2xl:  clamp(2rem,     1.2rem  + 2.5vw,  3.5rem);
  --text-3xl:  clamp(2.5rem,   1rem    + 4vw,    5rem);

  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  --font-display: 'Cabinet Grotesk', 'Helvetica Neue', sans-serif;
  --font-body:    'Satoshi', 'Inter', sans-serif;
}

[data-theme="dark"] {
  --color-bg:              #111110;
  --color-surface:         #181817;
  --color-surface-2:       #1e1e1c;
  --color-surface-offset:  #252523;
  --color-surface-offset-2:#2c2c29;
  --color-surface-dynamic: #333330;
  --color-divider:         #2e2e2b;
  --color-border:          #3a3a37;
  --color-text:            #e8e7e4;
  --color-text-muted:      #8a8986;
  --color-text-faint:      #575754;
  --color-text-inverse:    #1a1a18;
  --color-primary:         #e83333;
  --color-primary-hover:   #cc1a1a;
  --color-primary-active:  #a81414;
  --color-primary-highlight: #3d1a1a;
  --color-dark:            #0a0a09;
  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.25);
  --shadow-md: 0 4px 12px oklch(0 0 0 / 0.35);
  --shadow-lg: 0 12px 32px oklch(0 0 0 / 0.45);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg:              #111110;
    --color-surface:         #181817;
    --color-surface-2:       #1e1e1c;
    --color-surface-offset:  #252523;
    --color-surface-offset-2:#2c2c29;
    --color-surface-dynamic: #333330;
    --color-divider:         #2e2e2b;
    --color-border:          #3a3a37;
    --color-text:            #e8e7e4;
    --color-text-muted:      #8a8986;
    --color-text-faint:      #575754;
    --color-text-inverse:    #1a1a18;
    --color-primary:         #e83333;
    --color-primary-hover:   #cc1a1a;
    --color-primary-active:  #a81414;
    --color-primary-highlight: #3d1a1a;
    --color-dark:            #0a0a09;
    --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.25);
    --shadow-md: 0 4px 12px oklch(0 0 0 / 0.35);
    --shadow-lg: 0 12px 32px oklch(0 0 0 / 0.45);
  }
}

/* ——— BASE ——— */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: var(--space-16);
}

body {
  min-height: 100dvh;
  line-height: 1.6;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
}

img, picture, video, canvas, svg { display: block; max-width: 100%; height: auto; }
ul[role="list"], ol[role="list"] { list-style: none; }
input, button, textarea, select { font: inherit; color: inherit; }
h1, h2, h3, h4, h5, h6 { text-wrap: balance; line-height: 1.15; }
p, li { text-wrap: pretty; max-width: 72ch; }

::selection { background: oklch(from var(--color-primary) l c h / 0.2); color: var(--color-text); }

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

button { cursor: pointer; background: none; border: none; }

a, button, [role="button"], input, textarea, select {
  transition: color var(--transition-interactive),
              background var(--transition-interactive),
              border-color var(--transition-interactive),
              box-shadow var(--transition-interactive),
              opacity var(--transition-interactive);
}

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border-width: 0;
}

/* ——— LAYOUT ——— */
.container {
  max-width: var(--content-default);
  margin-inline: auto;
  padding-inline: clamp(var(--space-4), 4vw, var(--space-12));
}

.container--wide {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-4), 4vw, var(--space-12));
}

/* ——— NAVIGATION ——— */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-dark);
  border-bottom: 2px solid var(--color-primary);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-4);
}

.logo-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
}

.logo-text {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #ffffff;
  line-height: 1;
}

.logo-text span { color: var(--color-primary); }

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: 500;
  color: rgba(255,255,255,0.7);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.nav-links a:hover { color: #ffffff; }

.nav-cta {
  background: var(--color-primary) !important;
  color: #ffffff !important;
  padding: var(--space-2) var(--space-5) !important;
  border-radius: var(--radius-md) !important;
  font-weight: 700 !important;
}

.nav-cta:hover { background: var(--color-primary-hover) !important; }

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.theme-toggle {
  background: none;
  border: none;
  cursor: pointer;
  color: rgba(255,255,255,0.5);
  padding: var(--space-2);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.theme-toggle:hover { color: #ffffff; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  background: none;
  border: none;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: #ffffff;
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

/* ——— HERO ——— */
.hero {
  position: relative;
  background: var(--color-dark);
  min-height: 85vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 65% 55% at 85% 50%, rgba(204,26,26,0.28) 0%, transparent 65%),
    radial-gradient(ellipse 35% 70% at 8% 55%, rgba(20,20,18,0.7) 0%, transparent 55%);
  pointer-events: none;
}

.hero-bolt {
  position: absolute;
  right: 8%;
  top: 50%;
  transform: translateY(-50%);
  opacity: 0.06;
  pointer-events: none;
  width: clamp(200px, 28vw, 400px);
}

.hero-content {
  position: relative;
  z-index: 2;
  padding-block: clamp(var(--space-16), 10vw, var(--space-24));
}

.hero-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-6);
}

.hero-label::before {
  content: '';
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-primary);
}

.hero h1 {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 800;
  color: #ffffff;
  line-height: 1.08;
  letter-spacing: -0.035em;
  margin-bottom: var(--space-6);
  max-width: 15ch;
}

.hero h1 em {
  font-style: normal;
  color: var(--color-primary);
}

.hero-subtitle {
  font-size: var(--text-lg);
  color: rgba(255,255,255,0.62);
  max-width: 50ch;
  margin-bottom: var(--space-10);
  line-height: 1.55;
  font-weight: 400;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  align-items: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.03em;
  text-decoration: none;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
}

.btn-primary:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  color: #ffffff;
}

.btn-outline {
  background: transparent;
  color: #ffffff;
  border-color: rgba(255,255,255,0.3);
}

.btn-outline:hover {
  border-color: #ffffff;
  color: #ffffff;
}

.hero-stats {
  display: flex;
  gap: var(--space-10);
  margin-top: var(--space-12);
  padding-top: var(--space-10);
  border-top: 1px solid rgba(255,255,255,0.08);
}

.stat-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.stat-value {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -0.02em;
  line-height: 1;
}

.stat-label {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.45);
  text-transform: uppercase;
  letter-spacing: 0.09em;
  font-weight: 500;
}

/* ——— SECTION COMMON ——— */
section { padding-block: clamp(var(--space-12), 7vw, var(--space-24)); }

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.section-tag::before {
  content: '';
  display: block;
  width: 18px;
  height: 2px;
  background: var(--color-primary);
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: var(--space-4);
}

.section-subtitle {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 58ch;
  line-height: 1.65;
  margin-bottom: var(--space-12);
}

/* ——— SERVICES ——— */
.services { background: var(--color-bg); }

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(280px, 100%), 1fr));
  gap: var(--space-6);
}

.service-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  transition: box-shadow var(--transition-interactive), transform var(--transition-interactive);
}

.service-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

.service-icon {
  width: 44px;
  height: 44px;
  color: var(--color-primary);
  flex-shrink: 0;
}

.service-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.2;
}

.service-card p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.65;
  max-width: unset;
}

.service-badge {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: var(--color-primary-highlight);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  margin-top: auto;
  align-self: flex-start;
}

/* ——— WHY US – DARK SECTION ——— */
.why-us {
  background: var(--color-dark);
  color: #ffffff;
  position: relative;
  overflow: hidden;
}

.why-us::after {
  content: '';
  position: absolute;
  top: -80px;
  right: -100px;
  width: 450px;
  height: 450px;
  background: radial-gradient(circle, rgba(204,26,26,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.why-us .section-title { color: #ffffff; }
.why-us .section-subtitle { color: rgba(255,255,255,0.55); }

.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.why-item {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.why-item.featured {
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.why-number {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -0.04em;
  line-height: 1;
}

.why-item.featured .why-number { color: rgba(255,255,255,0.35); }

.why-item h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: #ffffff;
  line-height: 1.2;
}

.why-item p {
  font-size: var(--text-base);
  color: rgba(255,255,255,0.62);
  line-height: 1.6;
  max-width: unset;
}

.why-item.featured p { color: rgba(255,255,255,0.88); }

/* ——— ABOUT ——— */
.about { background: var(--color-bg); }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--space-10), 6vw, var(--space-20));
  align-items: center;
}

.about-img-wrap {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  aspect-ratio: 4 / 3;
}

.about-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-img-accent {
  position: absolute;
  bottom: var(--space-6);
  left: var(--space-6);
  background: var(--color-primary);
  color: #ffffff;
  padding: var(--space-4) var(--space-6);
  border-radius: var(--radius-md);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-sm);
  line-height: 1.3;
}

.about-text .section-subtitle { margin-bottom: var(--space-8); }

.cert-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  list-style: none;
}

.cert-list li {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: unset;
}

.cert-list li::before {
  content: '';
  display: block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-primary);
  flex-shrink: 0;
}

/* ——— CONTACT ——— */
.contact {
  background: var(--color-surface-offset);
  border-top: 1px solid var(--color-border);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--space-10), 6vw, var(--space-20));
  align-items: start;
}

.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  margin-top: var(--space-8);
  list-style: none;
}

.contact-info-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  max-width: unset;
}

.contact-info-icon {
  width: 40px;
  height: 40px;
  min-width: 40px;
  background: var(--color-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
}

.contact-info-icon svg { width: 18px; height: 18px; }

.contact-info-text strong {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 2px;
}

.contact-info-text span {
  font-size: var(--text-base);
  color: var(--color-text-muted);
}

.contact-form {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: clamp(var(--space-8), 4vw, var(--space-12));
  box-shadow: var(--shadow-md);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}

.form-group label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  color: var(--color-text);
  line-height: 1.5;
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px oklch(from var(--color-primary) l c h / 0.12);
}

.form-group textarea { resize: vertical; min-height: 120px; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.btn-full { width: 100%; justify-content: center; }

/* ——— FOOTER ——— */
.site-footer {
  background: var(--color-dark);
  color: rgba(255,255,255,0.5);
  padding-block: var(--space-12);
  border-top: 2px solid var(--color-primary);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-8);
  justify-content: space-between;
  align-items: center;
}

.footer-logo {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 800;
  color: #ffffff;
  letter-spacing: -0.02em;
}

.footer-logo span { color: var(--color-primary); }

.footer-copy { font-size: var(--text-xs); color: rgba(255,255,255,0.35); }

.footer-links {
  display: flex;
  gap: var(--space-6);
  list-style: none;
}

.footer-links a {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.45);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 500;
}

.footer-links a:hover { color: #ffffff; }

/* ——— SCROLL REVEAL ——— */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.55s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.55s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

/* ——— RESPONSIVE ——— */
@media (max-width: 900px) {
  .about-grid,
  .contact-grid,
  .why-grid {
    grid-template-columns: 1fr;
  }
  .hero-stats { gap: var(--space-8); }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: fixed;
    inset: 0;
    top: 66px;
    background: var(--color-dark);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-8);
    z-index: 99;
  }
  .nav-links.open { display: flex; }
  .nav-toggle { display: flex; }
  .nav-links a { font-size: var(--text-lg); }
  .hero h1 { font-size: clamp(2.2rem, 9vw, 3.5rem); }
  .hero-stats { flex-wrap: wrap; gap: var(--space-6); }
  .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; align-items: flex-start; }
  .btn { width: 100%; justify-content: center; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}

/* ——— UTILITY OSZTÁLYOK (inline style kiváltása) ——— */
.mb-0 { margin-bottom: 0 !important; }

.footer-copy--sub { margin-top: var(--space-2); }

.form-msg {
  margin-top: var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-primary);
  display: none;
}