:root {
  --font-mono: "Roboto Mono", "Consolas", monospace;
  --font-process-index: "IBM Plex Mono", "Consolas", monospace;
  --font-brand: "IBM Plex Sans", "Segoe UI", sans-serif;
  --font-display: "IBM Plex Sans", "Segoe UI", sans-serif;
  --font-heading: "Manrope", sans-serif;
  --font-body: "Instrument Sans", "Segoe UI", sans-serif;
  --font-hero: "Libre Baskerville", Georgia, serif;
  --max-width: 1160px;
  --radius-lg: 1.6rem;
  --radius-md: 1rem;
  --shadow-soft: 0 18px 42px rgba(0, 0, 0, 0.08);
}

html[data-theme="dark"] {
  color-scheme: dark;
  --bg: #1a1a1a;
  --surface: #171717;
  --surface-alt: #1f1f1f;
  --surface-strong: #262626;
  --line: #313131;
  --line-strong: #474747;
  --text: #f3efe8;
  --muted: #beb5a8;
  --accent: #f26430;
  --accent-strong: #ffe600;
  --button-text: #181818;
}

html[data-theme="light"] {
  color-scheme: light;
  --bg: #f8f7ff;
  --surface: #ffffff;
  --surface-alt: #f1eefc;
  --surface-strong: #ebe6fb;
  --line: #ddd8f0;
  --line-strong: #c7c0eb;
  --text: #171428;
  --muted: #5f5877;
  --accent: #4338ca;
  --accent-strong: #a21caf;
  --button-text: #ffffff;
  --shadow-soft: 0 18px 40px rgba(58, 48, 112, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
}

.site-frame {
  width: min(calc(100% - 2rem), var(--max-width));
  margin-inline: auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.4rem 0 1.1rem;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  color: inherit;
  text-decoration: none;
}

.brand-logo {
  width: clamp(7.5rem, 12vw, 8.8rem);
  height: auto;
  aspect-ratio: 276 / 140;
  flex: 0 0 auto;
  object-fit: contain;
  display: block;
}

.brand-logo-light {
  display: none;
}

html[data-theme="light"] .brand-logo-dark {
  display: none;
}

html[data-theme="light"] .brand-logo-light {
  display: block;
}

.brand-copy {
  display: grid;
  gap: 0.2rem;
}

.brand-copy strong {
  font-family: var(--font-brand);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.brand-copy span {
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 400;
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  flex-wrap: wrap;
}

.site-nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.96rem;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--text);
}

.language-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
  border-radius: 999px;
  padding: 0.45rem 0.8rem;
  font: inherit;
  cursor: pointer;
}

.language-toggle-label {
  font-size: 0.85rem;
  color: var(--muted);
  min-width: 1.4rem;
  text-align: center;
}

html[lang="en"] .language-toggle-label-en,
html[lang="hu"] .language-toggle-label-hu {
  color: var(--text);
}

.language-toggle-track {
  width: 2.7rem;
  height: 1.5rem;
  border-radius: 999px;
  background: var(--surface-alt);
  border: 1px solid var(--line);
  position: relative;
}

.language-toggle-thumb {
  position: absolute;
  top: 50%;
  left: 0.125rem;
  width: 1rem;
  height: 1rem;
  border-radius: 50%;
  background: var(--accent);
  transition: transform 180ms ease, background 180ms ease;
  transform: translateY(-50%);
}

html[lang="hu"] .language-toggle-thumb {
  transform: translate(1.15rem, -50%);
  background: var(--accent-strong);
}

.section {
  padding: 5rem 0;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(18rem, 0.75fr);
  gap: 2rem;
  align-items: start;
  padding-top: 4rem;
}

.hero-copy {
  min-width: 0;
}

.eyebrow {
  margin: 0 0 1rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
}

h1,
h2,
h3 {
  margin: 0;
  font-family: var(--font-display);
  letter-spacing: -0.04em;
  line-height: 1.02;
}

h1 {
  font-size: clamp(3rem, 7vw, 5.8rem);
  max-width: 11ch;
}

.hero h1 {
  font-family: var(--font-hero);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.04;
  text-wrap: balance;
}

h2 {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3.3rem);
  max-width: 12ch;
}

h3 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  margin-bottom: 0.8rem;
}

p,
li {
  line-height: 1.7;
}

.lead,
.section-intro {
  max-width: 58ch;
  font-size: 1.06rem;
  color: var(--muted);
}

.hero .lead {
  max-width: 52ch;
  font-size: 1.15rem;
}

html[data-theme="dark"] .hero .lead {
  color: #d2cbc0;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.75rem 1.2rem;
  border-radius: 999px;
  border: 1px solid transparent;
  text-decoration: none;
  font-weight: 600;
  font-family: var(--font-body);
  cursor: pointer;
}

.button-primary {
  background: var(--accent);
  color: var(--button-text);
}

html[data-theme="dark"] .button-primary {
  background: var(--accent-strong);
}

.button-secondary {
  background: transparent;
  color: var(--text);
  border-color: var(--line-strong);
}

.hero-panel,
.info-card,
.list-panel,
.process-card,
.contact-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
}

.hero-panel {
  padding: 1.5rem;
}

.panel-label {
  margin: 0 0 1rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.78rem;
}

.hero-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.9rem;
}

.hero-list li {
  padding-bottom: 0.9rem;
  border-bottom: 1px solid var(--line);
}

.hero-list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.section-heading {
  display: grid;
  gap: 0.9rem;
  margin-bottom: 2rem;
}

.card-grid,
.process-grid,
.split-grid,
.focus-grid {
  display: grid;
  gap: 1.25rem;
}

.card-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.split-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.focus-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.process-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.info-card,
.list-panel,
.process-card {
  padding: 1.4rem;
}

.info-card {
  position: relative;
  overflow: hidden;
  display: grid;
  align-content: start;
  gap: 0.9rem;
  border-radius: 0 0 14px 14px;
  border-top: 2.5px solid var(--cap-border);
}

.card-grid .info-card:nth-child(1) {
  --cap-border: #F26430;
}

.card-grid .info-card:nth-child(2) {
  --cap-border: #F5922A;
}

.card-grid .info-card:nth-child(3) {
  --cap-border: #F8BE24;
}

.card-grid .info-card:nth-child(4) {
  --cap-border: #FFE600;
}

.info-card h3,
.info-card p {
  position: relative;
  z-index: 1;
  margin: 0;
}

.list-panel {
  display: grid;
  align-content: start;
  gap: 0.9rem;
  border-radius: 0 0 14px 14px;
  border-top: 2.5px solid var(--focus-accent);
}

.focus-grid .list-panel:nth-child(1) {
  --focus-accent: #F26430;
}

.focus-grid .list-panel:nth-child(2) {
  --focus-accent: #F5922A;
}

.focus-grid .list-panel:nth-child(3) {
  --focus-accent: #F8BE24;
}

.process-card {
  display: grid;
  align-content: start;
  gap: 0.9rem;
  border-radius: 0 0 14px 14px;
  border-top: 2.5px solid var(--process-accent);
}

.process-grid .process-card:nth-child(1) {
  --process-accent: #F26430;
}

.process-grid .process-card:nth-child(2) {
  --process-accent: #F5922A;
}

.process-grid .process-card:nth-child(3) {
  --process-accent: #F8BE24;
}

.process-grid .process-card:nth-child(4) {
  --process-accent: #FFE600;
}

.process-index {
  color: var(--process-accent);
  font-family: var(--font-process-index);
  font-size: 11px;
  font-weight: 300;
  letter-spacing: 0.05em;
  line-height: 1;
}

.card-index {
  margin: 0;
  font-family: var(--font-process-index);
  font-weight: 300;
  font-size: 11px;
  line-height: 1;
  letter-spacing: 0.05em;
  color: var(--cap-border);
}

.focus-index {
  margin: 0;
  color: var(--focus-accent);
  font-family: var(--font-process-index);
  font-size: 11px;
  font-weight: 300;
  letter-spacing: 0.05em;
  line-height: 1;
}

.process-card h3,
.process-card p {
  margin: 0;
}

.process-card h3 {
  max-width: 10ch;
}

.process-card p {
  color: var(--muted);
  max-width: 24ch;
}

.list-panel h3,
.list-panel p {
  margin: 0;
}

.list-panel h3 {
  max-width: 14ch;
}

.list-panel p {
  color: var(--muted);
  max-width: 28ch;
}

.list-panel .focus-index {
  color: var(--focus-accent);
  max-width: none;
}

.why-section h2 {
  max-width: 15ch;
}

.why-panel {
  position: relative;
  overflow: hidden;
  padding: 1.8rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
}

.why-mark {
  position: absolute;
  right: 1.3rem;
  top: 1.2rem;
  width: clamp(6rem, 10vw, 8.5rem);
  opacity: 1;
  pointer-events: none;
}

.why-mark img {
  display: block;
  width: 100%;
  height: auto;
}

.why-copy {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 1rem;
  max-width: 68ch;
}

.why-copy p {
  margin: 0;
  color: var(--muted);
}

.contact-section {
  padding-bottom: 5rem;
}

.contact-panel {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 1.5rem;
  padding: 1.5rem;
}

.contact-copy p:last-child {
  color: var(--muted);
}

.contact-form {
  display: grid;
  gap: 0.85rem;
}

.form-status {
  margin: 0 0 1rem;
  padding: 0.9rem 1rem;
  border: 1px solid color-mix(in srgb, var(--accent) 35%, var(--line));
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--accent) 8%, var(--surface));
  color: var(--text);
}

.contact-form label {
  display: grid;
  gap: 0.45rem;
  font-size: 0.94rem;
  color: var(--muted);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  background: var(--surface-alt);
  color: var(--text);
  padding: 0.8rem 0.95rem;
  font: inherit;
}

.contact-form textarea {
  min-height: 7.5rem;
  resize: vertical;
}

.contact-form .button {
  width: 100%;
}

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

.site-footer {
  padding: 1.3rem 0 2rem;
  border-top: 1px solid var(--line);
}

.site-footer p {
  margin: 0;
  color: var(--muted);
  font-size: 0.94rem;
}

.language-toggle:focus-visible,
.button:focus-visible,
.site-nav a:focus-visible,
.brand:focus-visible,
.contact-form input:focus-visible,
.contact-form textarea:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 420ms ease, transform 420ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1120px) {
  .hero,
  .card-grid,
  .focus-grid,
  .process-grid,
  .split-grid,
  .contact-panel {
    grid-template-columns: 1fr;
  }

  h1 {
    max-width: 12ch;
  }
}

@media (min-width: 860px) {
  .contact-form {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 1rem;
    row-gap: 0.85rem;
    align-items: start;
  }

  .contact-form label:nth-of-type(n + 3),
  .contact-form .button {
    grid-column: 1 / -1;
  }
}

@media (max-width: 760px) {
  .site-header,
  .header-controls {
    flex-direction: column;
    align-items: flex-start;
  }

  .header-controls {
    width: 100%;
  }

  .site-nav {
    gap: 0.8rem 1rem;
  }

  .section {
    padding: 3.5rem 0;
  }

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

  .brand-logo {
    width: 7rem;
  }

  .hero {
    padding-top: 2.5rem;
  }

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