/* ==========================================================================
   Variables
   ========================================================================== */
:root {
  /* Color palette - kék-szürke, üzleti, megbízható */
  --color-background: #0b1120; /* sötét, modern háttér (deep navy) */
  --color-surface: #111827;    /* kártyák / szekciók háttér */
  --color-surface-alt: #020617; /* mélyebb panel / header */
  --color-text: #e5e7eb;       /* világos, nyugodt szöveg */
  --color-text-muted: #9ca3af; /* másodlagos, leíró szöveg */

  --color-primary: #2563eb;      /* fő kék – action, linkek */
  --color-primary-soft: #1d4ed8; /* hover / kiemelés */
  --color-primary-subtle: rgba(37, 99, 235, 0.12);

  --color-success: #16a34a;  /* pozitív állapotok */
  --color-warning: #eab308;  /* figyelmeztetés */
  --color-danger:  #dc2626;  /* hibák, kritikus állapotok */

  /* Neutral grays (cool gray scale) */
  --gray-50:  #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2933;
  --gray-900: #111827;

  /* Typography */
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji",
    "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas,
    "Liberation Mono", "Courier New", monospace;

  --font-size-xs: 0.75rem;   /* 12px */
  --font-size-sm: 0.875rem;  /* 14px */
  --font-size-base: 1rem;    /* 16px */
  --font-size-lg: 1.125rem;  /* 18px */
  --font-size-xl: 1.25rem;   /* 20px */
  --font-size-2xl: 1.5rem;   /* 24px */
  --font-size-3xl: 1.875rem; /* 30px */
  --font-size-4xl: 2.25rem;  /* 36px */

  --line-height-tight: 1.2;
  --line-height-snug: 1.35;
  --line-height-normal: 1.6;
  --line-height-relaxed: 1.8;

  /* Spacing scale (0–96px) */
  --space-0: 0;
  --space-1: 0.25rem;  /* 4px */
  --space-2: 0.5rem;   /* 8px */
  --space-3: 0.75rem;  /* 12px */
  --space-4: 1rem;     /* 16px */
  --space-5: 1.25rem;  /* 20px */
  --space-6: 1.5rem;   /* 24px */
  --space-8: 2rem;     /* 32px */
  --space-10: 2.5rem;  /* 40px */
  --space-12: 3rem;    /* 48px */
  --space-16: 4rem;    /* 64px */
  --space-20: 5rem;    /* 80px */
  --space-24: 6rem;    /* 96px */

  /* Radii */
  --radius-sm: 0.25rem;  /* 4px */
  --radius-md: 0.5rem;   /* 8px */
  --radius-lg: 0.75rem;  /* 12px */
  --radius-xl: 1rem;     /* 16px */
  --radius-full: 9999px;

  /* Shadows - finom, professzionális */
  --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.25);
  --shadow-sm: 0 4px 12px rgba(15, 23, 42, 0.35);
  --shadow-md: 0 12px 30px rgba(15, 23, 42, 0.45);

  /* Transitions */
  --transition-fast: 120ms ease-out;
  --transition-base: 180ms ease-out;
  --transition-slow: 240ms ease-out;

  /* Layout */
  --container-max-width: 1120px; /* üzleti, tartalmas, de fókuszált */
}

/* ==========================================================================
   Reset / Normalize
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body,
 h1,
 h2,
 h3,
 h4,
 h5,
 h6,
 p,
 figure,
 blockquote,
 dl,
 dd {
  margin: 0;
}

ul[role="list"],
ol[role="list"] {
  list-style: none;
  margin: 0;
  padding: 0;
}

a {
  text-decoration: none;
  color: inherit;
}

img,
svg,
video,
canvas,
audio,
iframe,
embed,
object {
  display: block;
  max-width: 100%;
}

img {
  height: auto;
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
  margin: 0;
}

button {
  border: none;
  padding: 0;
  background: none;
  cursor: pointer;
}

textarea {
  resize: vertical;
}

/* ==========================================================================
   Base styles
   ========================================================================== */
body {
  min-height: 100vh;
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--color-text);
  background-color: var(--color-background);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

main {
  display: block;
}

p {
  margin-bottom: var(--space-4);
  color: var(--color-text);
}

p.lead {
  font-size: var(--font-size-lg);
  line-height: var(--line-height-relaxed);
  color: var(--color-text-muted);
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 600;
  line-height: var(--line-height-tight);
  color: var(--gray-50);
}

h1 {
  font-size: clamp(2.25rem, 4vw, 3rem);
  margin-bottom: var(--space-4);
}

h2 {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  margin-top: var(--space-8);
  margin-bottom: var(--space-3);
}

h3 {
  font-size: clamp(1.5rem, 2.4vw, 1.875rem);
  margin-top: var(--space-6);
  margin-bottom: var(--space-2);
}

h4 {
  font-size: var(--font-size-xl);
  margin-top: var(--space-4);
  margin-bottom: var(--space-2);
}

h5 {
  font-size: var(--font-size-lg);
  margin-top: var(--space-3);
  margin-bottom: var(--space-1);
}

h6 {
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-1);
}

strong,
b {
  font-weight: 600;
}

small {
  font-size: var(--font-size-xs);
}

/* Link styles – diszkrét, de jól észrevehető */
a {
  color: var(--color-primary);
  transition: color var(--transition-base),
    text-decoration-color var(--transition-base),
    opacity var(--transition-base);
  text-decoration-thickness: 2px;
  text-underline-offset: 0.12em;
  text-decoration-color: transparent;
}

a:hover {
  color: var(--color-primary-soft);
  text-decoration-line: underline;
  text-decoration-color: var(--color-primary-soft);
}

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

/* Lists */
ul,
ol {
  padding-left: 1.25rem;
  margin-bottom: var(--space-4);
}

li + li {
  margin-top: 0.25rem;
}

/* ==========================================================================
   Accessibility & motion
   ========================================================================== */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

:focus:not(:focus-visible) {
  outline: none;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ==========================================================================
   Layout Utilities
   ========================================================================== */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

.section {
  padding-top: var(--space-12);
  padding-bottom: var(--space-12);
}

.section--muted {
  background: radial-gradient(circle at top, rgba(37, 99, 235, 0.16), transparent),
    var(--color-surface);
}

/* Flex helpers */
.flex {
  display: flex;
}

.flex-row {
  flex-direction: row;
}

.flex-column {
  flex-direction: column;
}

.flex-center {
  align-items: center;
  justify-content: center;
}

.flex-between {
  align-items: center;
  justify-content: space-between;
}

.flex-wrap {
  flex-wrap: wrap;
}

.gap-2 {
  gap: var(--space-2);
}

.gap-4 {
  gap: var(--space-4);
}

.gap-6 {
  gap: var(--space-6);
}

/* Grid helpers */
.grid {
  display: grid;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-6);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-6);
}

@media (max-width: 768px) {
  .grid-2,
  .grid-3 {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* Alignment utilities */
.text-center {
  text-align: center;
}

.text-right {
  text-align: right;
}

.m-auto {
  margin: auto;
}

.mt-0 { margin-top: 0; }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }

.mb-0 { margin-bottom: 0; }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }

.py-6 {
  padding-top: var(--space-6);
  padding-bottom: var(--space-6);
}

.py-8 {
  padding-top: var(--space-8);
  padding-bottom: var(--space-8);
}

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

/* ==========================================================================
   Components
   ========================================================================== */
/* Buttons – primer CTA: árajánlatkérés, kapcsolatfelvétel */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.7rem 1.4rem;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  font-weight: 500;
  font-size: var(--font-size-sm);
  line-height: 1.2;
  white-space: nowrap;
  cursor: pointer;
  transition: background-color var(--transition-base),
    border-color var(--transition-base),
    color var(--transition-base),
    box-shadow var(--transition-base),
    transform var(--transition-fast);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-soft));
  color: #f9fafb;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
  color: #f9fafb;
}

.btn-outline {
  background: transparent;
  color: var(--color-text);
  border-color: rgba(148, 163, 184, 0.6);
}

.btn-outline:hover {
  border-color: var(--color-primary);
  background-color: rgba(15, 23, 42, 0.85);
}

.btn-ghost {
  background: rgba(15, 23, 42, 0.8);
  color: var(--color-text);
}

.btn-ghost:hover {
  background: rgba(15, 23, 42, 1);
}

.btn:disabled,
.btn[aria-disabled="true"] {
  opacity: 0.55;
  cursor: not-allowed;
  box-shadow: none;
  transform: none;
}

.btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

/* Form controls – ajánlatkérő / kapcsolat űrlapokhoz */
.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: var(--space-4);
}

.label {
  font-size: var(--font-size-sm);
  color: var(--gray-200);
}

.input,
.textarea,
.select {
  width: 100%;
  padding: 0.7rem 0.8rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(148, 163, 184, 0.55);
  background-color: rgba(15, 23, 42, 0.95);
  color: var(--color-text);
  line-height: 1.4;
  transition: border-color var(--transition-base),
    box-shadow var(--transition-base),
    background-color var(--transition-base);
}

.input::placeholder,
.textarea::placeholder {
  color: var(--color-text-muted);
}

.input:focus-visible,
.textarea:focus-visible,
.select:focus-visible {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px rgba(37, 99, 235, 0.6);
  background-color: rgba(15, 23, 42, 1);
}

.input[aria-invalid="true"],
.textarea[aria-invalid="true"],
.select[aria-invalid="true"] {
  border-color: var(--color-danger);
}

.field-help {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.field-error {
  font-size: var(--font-size-xs);
  color: var(--color-danger);
}

/* Card – szerviz szolgáltatások, géptípusok, folyamat bemutatása */
.card {
  background: radial-gradient(circle at top left, rgba(37, 99, 235, 0.12), transparent),
    var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-xs);
  border: 1px solid rgba(15, 23, 42, 0.9);
}

.card--soft {
  background: rgba(15, 23, 42, 0.92);
}

.card-header {
  margin-bottom: var(--space-4);
}

.card-title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-1);
}

.card-subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.card-body {
  font-size: var(--font-size-sm);
}

/* Badge – diagnosztika, karbantartás, sürgős hiba jelölése */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.15rem 0.6rem;
  border-radius: var(--radius-full);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border: 1px solid rgba(148, 163, 184, 0.5);
  color: var(--color-text-muted);
}

.badge-primary {
  background-color: var(--color-primary-subtle);
  border-color: rgba(37, 99, 235, 0.65);
  color: #dbeafe;
}

.badge-success {
  background-color: rgba(22, 163, 74, 0.12);
  border-color: rgba(34, 197, 94, 0.5);
  color: #bbf7d0;
}

/* Header / Navigation helpers */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(18px);
  background: linear-gradient(to bottom, rgba(15, 23, 42, 0.9), rgba(15, 23, 42, 0.75));
  border-bottom: 1px solid rgba(15, 23, 42, 0.95);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.25rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  font-size: var(--font-size-sm);
}

.nav-link {
  color: var(--color-text-muted);
  padding: 0.25rem 0;
  border-bottom: 2px solid transparent;
  transition: color var(--transition-base), border-color var(--transition-base);
}

.nav-link:hover {
  color: var(--gray-50);
}

.nav-link--active {
  color: var(--gray-50);
  border-color: var(--color-primary);
}

/* Hero section helpers – fókusz a bizalomra és szakértelemre */
.hero {
  padding-top: var(--space-20);
  padding-bottom: var(--space-16);
}

.hero-kicker {
  font-size: var(--font-size-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.hero-title {
  font-size: clamp(2.5rem, 4vw, 3.25rem);
  margin-bottom: var(--space-4);
}

.hero-text {
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

/* Footer helpers */
.site-footer {
  border-top: 1px solid rgba(15, 23, 42, 0.9);
  background: radial-gradient(circle at top, rgba(37, 99, 235, 0.22), transparent),
    var(--color-surface-alt);
  padding-top: var(--space-10);
  padding-bottom: var(--space-8);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.footer-meta {
  margin-top: var(--space-6);
  font-size: var(--font-size-xs);
  color: var(--gray-500);
}

/* ==========================================================================
   Responsive tweaks
   ========================================================================== */
@media (max-width: 960px) {
  .hero {
    padding-top: var(--space-16);
    padding-bottom: var(--space-12);
  }

  h1 {
    margin-bottom: var(--space-3);
  }
}

@media (max-width: 640px) {
  .navbar {
    height: auto;
    padding-top: var(--space-3);
    padding-bottom: var(--space-3);
    flex-wrap: wrap;
    gap: var(--space-3);
  }

  .nav-links {
    width: 100%;
    justify-content: flex-start;
    flex-wrap: wrap;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .card {
    padding: var(--space-4);
  }
}