/* =========================================================
   Keczeli Alex - style.css
   Letisztult, reszponzív alapstílus.
   A színek és térközök CSS-változókban vannak, könnyen
   módosíthatók az alábbi :root blokkban.
   ========================================================= */

:root {
  /* Színek - világos téma (alapértelmezett) */
  --color-bg: #ffffff;
  --color-bg-alt: #f5f6f8;
  --color-text: #1c1c1e;
  --color-text-muted: #5a5a60;
  --color-accent: #2f6feb;
  --color-accent-hover: #2559c0;
  --color-border: #e3e4e8;
  --color-card-bg: #ffffff;

  /* Tipográfia */
  --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  /* Elrendezés */
  --max-width: 1100px;
  --spacing-section: 5rem;
  --radius: 10px;
}

/* Sötét téma - amikor a <body> data-theme="dark" attribútumot kap */
[data-theme="dark"] {
  --color-bg: #14151a;
  --color-bg-alt: #1c1e24;
  --color-text: #f2f2f4;
  --color-text-muted: #a5a6ad;
  --color-accent: #6d9bff;
  --color-accent-hover: #8fb0ff;
  --color-border: #2c2e36;
  --color-card-bg: #1c1e24;
}

/* ---------- Alap reset ---------- */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  transition: background-color 0.2s ease, color 0.2s ease;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: var(--color-accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

ul {
  list-style: none;
}

/* ---------- Konténer ---------- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ---------- Fejléc ---------- */
.site-header {
  position: sticky;
  top: 0;
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1rem;
  padding-bottom: 1rem;
}

.logo {
  font-weight: 700;
  font-size: 1.2rem;
}

.primary-nav ul {
  display: flex;
  gap: 1.8rem;
}

.primary-nav a {
  color: var(--color-text);
  font-weight: 500;
}

.primary-nav a:hover {
  color: var(--color-accent);
  text-decoration: none;
}

/* Téma-váltó gomb */
.theme-toggle {
  background: none;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.theme-toggle:hover {
  border-color: var(--color-accent);
}

/* Hamburger gomb - alapból rejtve, csak mobilon jelenik meg */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text);
  border-radius: 2px;
}

/* ---------- Hero ---------- */
.hero {
  padding: 5rem 0;
  text-align: center;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  margin-bottom: 1rem;
}

.hero-subtitle {
  color: var(--color-text-muted);
  font-size: 1.15rem;
  max-width: 600px;
  margin: 0 auto 2rem;
}

.button {
  display: inline-block;
  background-color: var(--color-accent);
  color: #ffffff;
  padding: 0.8rem 1.8rem;
  border-radius: var(--radius);
  font-weight: 600;
}

.button:hover {
  background-color: var(--color-accent-hover);
  text-decoration: none;
}

/* ---------- Általános szekciók ---------- */
.section {
  padding: var(--spacing-section) 0;
}

.section-alt {
  background-color: var(--color-bg-alt);
}

.section h2 {
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  margin-bottom: 1.5rem;
}

.section p {
  color: var(--color-text-muted);
  max-width: 720px;
}

/* ---------- Rólam: fotó + szöveg elrendezés ---------- */
.about-layout {
  display: flex;
  align-items: center;
  gap: 3rem;
  flex-wrap: wrap;
}

.about-photo {
  flex: 0 0 220px;
}

.about-photo img {
  width: 220px;
  height: 220px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--color-border);
}

.about-text {
  flex: 1 1 320px;
}

.about-text h2 {
  margin-bottom: 1rem;
}

/* ---------- Kategória menü (Projektek szűrő) ---------- */
.category-menu {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin: 1.5rem 0 2rem;
}

.category-btn {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  padding: 0.55rem 1.2rem;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.category-btn:hover {
  border-color: var(--color-accent);
}

.category-btn.is-active {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: #ffffff;
}

.card-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 0.5rem;
}

.project-card {
  transition: opacity 0.15s ease;
}

.empty-state {
  color: var(--color-text-muted);
  margin-top: 1rem;
}

/* ---------- Kártya rács (Projektek) ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin-top: 1rem;
}

.card {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.6rem;
}

.card h3 {
  margin-bottom: 0.6rem;
}

.card p {
  color: var(--color-text-muted);
  max-width: none;
}

/* ---------- Kapcsolat ---------- */
.contact-list {
  margin-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  font-size: 1.05rem;
}

/* ---------- Lábléc ---------- */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 2rem 0;
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

/* =========================================================
   Reszponzivitás
   ========================================================= */
@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
    order: 2;
  }

  .theme-toggle {
    order: 3;
  }

  .logo {
    order: 1;
  }

  .primary-nav {
    order: 4;
    width: 100%;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease;
  }

  .primary-nav.is-open {
    max-height: 300px;
  }

  .primary-nav ul {
    flex-direction: column;
    gap: 0;
    padding-top: 0.5rem;
  }

  .primary-nav a {
    display: block;
    padding: 0.8rem 0;
    border-top: 1px solid var(--color-border);
  }

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

  .hero {
    padding: 3.5rem 0;
  }

  .section {
    padding: 3rem 0;
  }

  .about-layout {
    flex-direction: column;
    text-align: center;
    gap: 1.5rem;
  }

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