/* pythonprogramozas.hu – alap stíluslap
   Python-színek: kék #3776AB, sárga #FFD43B */

:root {
  --blue: #3776ab;
  --blue-dark: #2b5b86;
  --yellow: #ffd43b;
  --bg: #0f172a;
  --bg-soft: #1e293b;
  --text: #e2e8f0;
  --text-muted: #94a3b8;
  --radius: 14px;
  --container: 1080px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 24px;
}

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

/* ---- Fejléc ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.1rem;
}

.logo-mark {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--blue), var(--yellow));
  color: #0f172a;
  font-family: ui-monospace, "Cascadia Code", Consolas, monospace;
  font-weight: 800;
}

.logo .dot {
  color: var(--yellow);
}

.nav-links {
  display: flex;
  gap: 24px;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.nav-links a:hover {
  color: var(--text);
}

/* ---- Hero ---- */
.hero {
  padding: 96px 0 72px;
  text-align: center;
  background:
    radial-gradient(60% 60% at 50% 0%, rgba(55, 118, 171, 0.25), transparent 70%),
    radial-gradient(40% 40% at 80% 20%, rgba(255, 212, 59, 0.12), transparent 70%);
}

.kicker {
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.78rem;
  color: var(--yellow);
  border: 1px solid rgba(255, 212, 59, 0.4);
  border-radius: 999px;
  padding: 4px 14px;
  margin-bottom: 24px;
}

.hero h1 {
  font-size: clamp(2.4rem, 6vw, 4rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.hero .accent {
  background: linear-gradient(120deg, var(--blue), var(--yellow));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lead {
  max-width: 560px;
  margin: 24px auto 36px;
  font-size: 1.15rem;
  color: var(--text-muted);
}

/* ---- Feliratkozás ---- */
.subscribe {
  display: flex;
  gap: 10px;
  max-width: 460px;
  margin-inline: auto;
}

.subscribe input {
  flex: 1;
  padding: 14px 16px;
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: var(--bg-soft);
  color: var(--text);
  font-size: 1rem;
}

.subscribe input:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(55, 118, 171, 0.3);
}

.subscribe button {
  padding: 14px 22px;
  border: none;
  border-radius: var(--radius);
  background: var(--yellow);
  color: #0f172a;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  transition: transform 0.08s ease, filter 0.15s ease;
}

.subscribe button:hover {
  filter: brightness(1.05);
}

.subscribe button:active {
  transform: translateY(1px);
}

.form-msg {
  min-height: 1.4em;
  margin-top: 14px;
  font-size: 0.95rem;
}

.form-msg.ok {
  color: var(--yellow);
}

.form-msg.err {
  color: #f87171;
}

/* ---- Kártyák ---- */
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  padding: 24px 24px 80px;
  max-width: var(--container);
  margin-inline: auto;
}

.card {
  background: var(--bg-soft);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius);
  padding: 28px;
  transition: transform 0.15s ease, border-color 0.15s ease;
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(55, 118, 171, 0.5);
}

.card-icon {
  font-size: 2rem;
  margin-bottom: 12px;
}

.card h3 {
  margin-bottom: 8px;
  font-size: 1.2rem;
}

.card p {
  color: var(--text-muted);
  font-size: 0.97rem;
}

/* ---- Lábléc ---- */
.site-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 28px 0;
}

.site-footer .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.9rem;
}

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

/* ---- Blog / szemle ---- */
.blog-hero,
.post-hero {
  padding: 64px 0 24px;
  text-align: center;
  background:
    radial-gradient(60% 60% at 50% 0%, rgba(55, 118, 171, 0.25), transparent 70%),
    radial-gradient(40% 40% at 80% 20%, rgba(255, 212, 59, 0.12), transparent 70%);
}

.blog-hero h1,
.post-hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.blog-hero .accent {
  background: linear-gradient(120deg, var(--blue), var(--yellow));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

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

.post-back {
  display: inline-block;
  margin-bottom: 16px;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.post-back:hover {
  color: var(--yellow);
}

.blog-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  padding: 24px 24px 80px;
}

.blog-card {
  display: block;
  background: var(--bg-soft);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius);
  padding: 24px;
  transition: transform 0.15s ease, border-color 0.15s ease;
}

.blog-card:hover {
  transform: translateY(-4px);
  border-color: rgba(55, 118, 171, 0.5);
}

.blog-date {
  font-size: 0.8rem;
  color: var(--yellow);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.blog-card h2 {
  margin: 8px 0;
  font-size: 1.25rem;
}

.blog-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.blog-more {
  display: inline-block;
  margin-top: 14px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--blue);
}

.blog-card:hover .blog-more {
  color: var(--yellow);
}

.post-body {
  max-width: 760px;
  padding-bottom: 72px;
}

.post-item {
  display: flex;
  gap: 16px;
  padding: 24px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

.post-num {
  flex-shrink: 0;
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--blue), var(--yellow));
  color: #0f172a;
  font-weight: 800;
}

.post-item-body h3 {
  font-size: 1.2rem;
  margin-bottom: 8px;
}

.post-summary {
  color: var(--text);
}

.post-why {
  margin-top: 8px;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.post-source {
  margin-top: 10px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.post-source a {
  color: var(--blue);
}

.post-source a:hover {
  color: var(--yellow);
}

.post-foot {
  margin-top: 32px;
  font-size: 0.85rem;
}

/* ---- Reszponzív ---- */
@media (max-width: 760px) {
  .nav-links {
    display: none;
  }
  .features {
    grid-template-columns: 1fr;
  }
  .subscribe {
    flex-direction: column;
  }
  .blog-list {
    grid-template-columns: 1fr;
  }
}