/* =====================================================================
   Variables
   ===================================================================== */
:root {
  /* Colors */
  --color-bg: #05070d; /* deep near-black navy */
  --color-bg-elevated: #0c101a;
  --color-bg-subtle: #111623;
  --color-text: #f6f7fb;
  --color-text-muted: #a8b0c5;
  --color-primary: #f3b23a; /* modern gold for CTAs */
  --color-primary-soft: rgba(243, 178, 58, 0.12);
  --color-success: #35c48c; /* confident green (growth, logic) */
  --color-warning: #f5a623;
  --color-danger: #ff4b5c;

  /* Neutrals / grays (cool, professional) */
  --gray-50: #0b0e16;
  --gray-100: #141a29;
  --gray-200: #1e2638;
  --gray-300: #2c3650;
  --gray-400: #49526a;
  --gray-500: #6d7590;
  --gray-600: #8b93ac;
  --gray-700: #aeb6cf;
  --gray-800: #d2d8ee;
  --gray-900: #f4f6ff;

  /* Semantic surfaces */
  --surface-card: var(--color-bg-elevated);
  --surface-card-soft: rgba(10, 14, 28, 0.92);
  --border-subtle: rgba(255, 255, 255, 0.07);

  /* Typography */
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-heading: "Poppins", system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, sans-serif;
  --font-mono: "JetBrains Mono", Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;

  /* Font sizes (mobile-first scale) */
  --fs-xs: 0.75rem;   /* 12px */
  --fs-sm: 0.875rem;  /* 14px */
  --fs-md: 1rem;      /* 16px */
  --fs-lg: 1.125rem;  /* 18px */
  --fs-xl: 1.375rem;  /* 22px */
  --fs-2xl: 1.75rem;  /* 28px */
  --fs-3xl: 2.125rem; /* 34px */
  --fs-4xl: 2.75rem;  /* 44px - hero */

  /* Line heights */
  --lh-tight: 1.1;
  --lh-snug: 1.25;
  --lh-normal: 1.5;
  --lh-relaxed: 1.7;

  /* 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 */

  /* Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1.25rem;
  --radius-pill: 999px;

  /* Shadows (subtle, analytical, not flashy) */
  --shadow-soft: 0 14px 40px rgba(0, 0, 0, 0.38);
  --shadow-subtle: 0 10px 30px rgba(0, 0, 0, 0.28);
  --shadow-card: 0 18px 45px rgba(3, 7, 30, 0.6);

  /* Transitions */
  --transition-fast: 120ms ease-out;
  --transition-normal: 200ms ease-out;
  --transition-slow: 320ms ease;

  /* Layout */
  --container-max-width: 1120px;
  --container-padding-x: var(--space-4);

  /* Focus ring */
  --focus-ring-color: rgba(243, 178, 58, 0.9);
  --focus-ring-offset: 3px;
  --focus-ring-width: 2px;
}

@media (min-width: 768px) {
  :root {
    --fs-xl: 1.5rem;   /* 24px */
    --fs-2xl: 2rem;    /* 32px */
    --fs-3xl: 2.5rem;  /* 40px */
    --fs-4xl: 3.25rem; /* 52px */
    --container-padding-x: var(--space-6);
  }
}

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

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

body {
  margin: 0;
}

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;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
}

input,
button,
textarea,
select {
  font: inherit;
}

button {
  border: none;
  padding: 0;
  background: none;
  color: inherit;
}

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

/* Improve text rendering */
body {
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* Respect reduced motion for Hungarian audience accessibility */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* =====================================================================
   Base Styles
   ===================================================================== */
body {
  min-height: 100vh;
  font-family: var(--font-sans);
  font-size: var(--fs-md);
  line-height: var(--lh-relaxed);
  background: radial-gradient(circle at top, #131a30 0, var(--color-bg) 55%);
  color: var(--color-text);
}

main {
  display: block;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: var(--lh-snug);
  color: #ffffff;
}

h1 {
  font-size: var(--fs-4xl);
  letter-spacing: 0.02em;
}

h2 {
  font-size: var(--fs-3xl);
}

h3 {
  font-size: var(--fs-2xl);
}

h4 {
  font-size: var(--fs-xl);
}

h5 {
  font-size: var(--fs-lg);
}

h6 {
  font-size: var(--fs-md);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

p {
  margin-top: 0;
  margin-bottom: var(--space-4);
  color: var(--color-text-muted);
}

strong, b {
  font-weight: 600;
}

small {
  font-size: 0.875em;
}

a {
  color: var(--color-primary);
  transition: color var(--transition-normal), opacity var(--transition-fast);
}

a:hover {
  color: #ffe1a3;
}

a:focus-visible {
  outline: none;
}

/* Focus-visible outline helper (applied later for components) */
:focus-visible {
  outline: var(--focus-ring-width) solid var(--focus-ring-color);
  outline-offset: var(--focus-ring-offset);
}

/* Lists */
ul, ol {
  margin: 0 0 var(--space-4);
  padding-left: 1.25rem;
}

hr {
  border: none;
  border-top: 1px solid var(--border-subtle);
  margin: var(--space-6) 0;
}

code, pre {
  font-family: var(--font-mono);
}

pre {
  padding: var(--space-4);
  border-radius: var(--radius-md);
  background-color: var(--gray-100);
  overflow-x: auto;
}

/* =====================================================================
   Utilities
   ===================================================================== */

/* Layout container for all pages (Home, About, Poker Courses, etc.) */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding-x);
  padding-right: var(--container-padding-x);
}

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

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

.section--hero {
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
}

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

.inline-flex {
  display: inline-flex;
}

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

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

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

.items-center {
  align-items: center;
}

.items-start {
  align-items: flex-start;
}

.items-end {
  align-items: flex-end;
}

.justify-center {
  justify-content: center;
}

.justify-between {
  justify-content: space-between;
}

.justify-start {
  justify-content: flex-start;
}

.justify-end {
  justify-content: flex-end;
}

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

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

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

.gap-8 {
  gap: var(--space-8);
}

/* Grid helpers for content like "Featured Programs" or "Latest Articles" */
.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: 767.98px) {
  .grid-2,
  .grid-3 {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* Width utilities */
.w-full {
  width: 100%;
}

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

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

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

.mt-0 { margin-top: 0; }
.mt-2 { margin-top: var(--space-2); }
.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-2 { margin-bottom: var(--space-2); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }

.pt-4 { padding-top: var(--space-4); }
.pt-6 { padding-top: var(--space-6); }
.pt-8 { padding-top: var(--space-8); }
.pb-4 { padding-bottom: var(--space-4); }
.pb-6 { padding-bottom: var(--space-6); }
.pb-8 { padding-bottom: var(--space-8); }

/* Visually hidden but accessible (for Hungarian SEO headings, labels) */
.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;
}

/* Utility for subtle separators in cards / sections */
.divider-horizontal {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-subtle), transparent);
}

/* =====================================================================
   Components
   ===================================================================== */

/* Primary button for CTAs (e.g., "Kezdd el a póker oktatást") */
.button {
  --btn-bg: var(--color-primary);
  --btn-bg-hover: #ffd075;
  --btn-text: #101010;
  --btn-radius: var(--radius-pill);

  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.75rem 1.8rem;
  border-radius: var(--btn-radius);
  border: 1px solid rgba(0, 0, 0, 0.12);
  background: linear-gradient(135deg, var(--btn-bg) 0%, #fbe29a 120%);
  color: var(--btn-text);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  white-space: nowrap;
  transition:
    background var(--transition-normal),
    box-shadow var(--transition-normal),
    transform var(--transition-fast),
    border-color var(--transition-normal),
    opacity var(--transition-fast);
  box-shadow: 0 14px 30px rgba(243, 178, 58, 0.35);
}

.button:hover {
  background: linear-gradient(135deg, var(--btn-bg-hover) 0%, #ffe8b5 110%);
  transform: translateY(-1px);
  box-shadow: 0 18px 40px rgba(243, 178, 58, 0.45);
}

.button:active {
  transform: translateY(0);
  box-shadow: 0 8px 24px rgba(243, 178, 58, 0.32);
}

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

.button--outline {
  --btn-bg: transparent;
  --btn-bg-hover: rgba(243, 178, 58, 0.08);
  --btn-text: var(--color-primary);

  border-color: rgba(243, 178, 58, 0.65);
  background: transparent;
  color: var(--btn-text);
  box-shadow: none;
}

.button--outline:hover {
  background: var(--btn-bg-hover);
  box-shadow: 0 10px 30px rgba(243, 178, 58, 0.25);
}

.button--ghost {
  --btn-bg: transparent;
  --btn-bg-hover: rgba(255, 255, 255, 0.08);
  --btn-text: #ffffff;

  border-color: rgba(255, 255, 255, 0.18);
  background: rgba(6, 10, 24, 0.8);
  color: var(--btn-text);
  box-shadow: var(--shadow-subtle);
}

.button--ghost:hover {
  background: var(--btn-bg-hover);
}

.button:focus-visible {
  outline: var(--focus-ring-width) solid var(--focus-ring-color);
  outline-offset: var(--focus-ring-offset);
}

/* Input fields for forms (Contact, Pricing signup, etc.) */
.input,
.textarea,
.select {
  width: 100%;
  padding: 0.7rem 0.85rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  background-color: rgba(7, 10, 24, 0.95);
  color: var(--color-text);
  font-size: 0.95rem;
  line-height: var(--lh-normal);
  transition:
    border-color var(--transition-normal),
    box-shadow var(--transition-normal),
    background-color var(--transition-normal),
    transform var(--transition-fast);
}

.input::placeholder,
.textarea::placeholder {
  color: rgba(168, 176, 197, 0.7);
}

.input:focus,
.textarea:focus,
.select:focus {
  outline: none;
  border-color: rgba(243, 178, 58, 0.8);
  box-shadow: 0 0 0 1px rgba(243, 178, 58, 0.5);
  background-color: rgba(7, 10, 24, 1);
}

.input[aria-invalid='true'],
.textarea[aria-invalid='true'],
.select[aria-invalid='true'] {
  border-color: rgba(255, 75, 92, 0.85);
}

label {
  display: inline-block;
  margin-bottom: 0.35rem;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--gray-700);
}

.field-description {
  margin-top: 0.15rem;
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.form-error {
  margin-top: 0.25rem;
  font-size: 0.8rem;
  color: var(--color-danger);
}

.textarea {
  min-height: 140px;
  resize: vertical;
}

/* Cards for programs, testimonials, blog previews, etc. */
.card {
  position: relative;
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  background:
    radial-gradient(circle at top left, rgba(243, 178, 58, 0.14), transparent 55%),
    var(--surface-card);
  border: 1px solid rgba(255, 255, 255, 0.05);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
    circle at top right,
    rgba(53, 196, 140, 0.18),
    transparent 60%
  );
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-slow);
}

.card:hover::before {
  opacity: 1;
}

.card--subtle {
  background-color: var(--surface-card-soft);
  box-shadow: var(--shadow-subtle);
}

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

.card-title {
  font-size: var(--fs-xl);
  margin-bottom: var(--space-2);
}

.card-meta {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--gray-600);
}

.card-body {
  color: var(--color-text-muted);
}

/* Tag / pill labels (e.g., "Kezdő", "Haladó", "Budapest") */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.18rem 0.6rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(243, 178, 58, 0.45);
  background-color: rgba(243, 178, 58, 0.06);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary);
}

.badge--success {
  border-color: rgba(53, 196, 140, 0.6);
  background-color: rgba(53, 196, 140, 0.08);
  color: var(--color-success);
}

/* Navigation shell (basic – can be extended per page) */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(16px);
  background: linear-gradient(
    to bottom,
    rgba(5, 7, 13, 0.9),
    rgba(5, 7, 13, 0.85),
    transparent
  );
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.nav-link {
  position: relative;
  font-size: 0.9rem;
  color: var(--gray-700);
  padding: 0.25rem 0;
  transition: color var(--transition-normal);
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.15rem;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-success));
  transition: width var(--transition-normal);
}

.nav-link:hover {
  color: #ffffff;
}

.nav-link:hover::after,
.nav-link--active::after {
  width: 100%;
}

.nav-link--active {
  color: #ffffff;
}

/* Hero headline helper for main Hungarian CTA text */
.hero-kicker {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--color-success);
}

.hero-subtitle {
  margin-top: var(--space-4);
  font-size: var(--fs-lg);
  color: var(--color-text-muted);
}

/* Testimonial avatar row */
.avatar-group {
  display: flex;
  align-items: center;
}

.avatar-group-item {
  width: 32px;
  height: 32px;
  border-radius: 999px;
  border: 2px solid var(--color-bg);
  overflow: hidden;
}

.avatar-group-item + .avatar-group-item {
  margin-left: -0.5rem;
}

/* Trust badges row (payment icons, security labels) */
.trust-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
  font-size: 0.75rem;
  color: var(--gray-600);
}

/* =====================================================================
   Accessibility helpers
   ===================================================================== */

.skip-link {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-pill);
  background-color: #ffffff;
  color: #000000;
  font-size: 0.85rem;
  font-weight: 500;
  transform: translateY(-200%);
  transition: transform var(--transition-normal);
  z-index: 50;
}

.skip-link:focus-visible {
  transform: translateY(0);
}

[role="status"],
[role="alert"] {
  font-size: 0.875rem;
}

[role="alert"] {
  color: var(--color-danger);
}