/* ═══════════════════════════════════════════════════════════
   MASOUD ZAREI — pages.css (ai-news, tutorials, ai-tools)
   ═══════════════════════════════════════════════════════════ */

:root {
  --lime:      #C6F135;
  --lime-dark: #a8d118;
  --dark:      #1A2210;
  --chalk:     #F0ECE3;
  --offwhite:  #F5F2EC;
  --black:     #0A0A0A;
  --text-dark: #0E0E0E;
  --text-mid:  #444;
  --text-light:#888;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; overflow-x: hidden; }
body {
  font-family: 'DM Sans', -apple-system, sans-serif;
  background: var(--dark);
  color: var(--chalk);
  overflow-x: hidden;
  min-height: 100vh;
}

/* ── Fonts ── */
@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=DM+Sans:opsz,wght@9..40,300;9..40,400;9..40,500&display=swap');
@font-face { font-family:'YekanBakh'; src:url('../assets/fonts/YekanBakh-Bold.ttf') format('truetype'); font-weight:700; font-display:swap; }
@font-face { font-family:'YekanBakh'; src:url('../assets/fonts/YekanBakh-ExtraBold.ttf') format('truetype'); font-weight:800; font-display:swap; }
@font-face { font-family:'YekanBakh'; src:url('../assets/fonts/YekanBakh-Regular.ttf') format('truetype'); font-weight:400; font-display:swap; }

/* ── Page Header ── */
.page-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(20px, 5vw, 60px);
  height: 70px;
  background: rgba(26, 34, 16, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.page-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'DM Sans', sans-serif;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: rgba(240,236,227,0.6);
  text-decoration: none;
  transition: color 0.25s ease, gap 0.25s ease;
}
.page-back:hover { color: var(--lime); gap: 12px; }
.page-back svg { flex-shrink: 0; transition: transform 0.25s ease; }
.page-back:hover svg { transform: translateX(-3px); }

.page-logo {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 22px;
  letter-spacing: 0.1em;
  color: var(--chalk);
  text-decoration: none;
  opacity: 0.7;
  transition: opacity 0.25s;
}
.page-logo:hover { opacity: 1; }
.page-logo span { color: var(--lime); }

/* ── Hero Banner ── */
.page-hero {
  padding: clamp(60px, 10vw, 120px) clamp(24px, 6vw, 100px) clamp(40px, 6vw, 80px);
  max-width: 1320px;
  margin: 0 auto;
}
.page-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: 'DM Sans', sans-serif;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--lime);
  margin-bottom: 20px;
}
.page-eyebrow-line { width: 28px; height: 1px; background: var(--lime); flex-shrink: 0; }

.page-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(72px, 12vw, 160px);
  line-height: 0.88;
  letter-spacing: 0.01em;
  color: var(--chalk);
  margin: 0 0 24px;
}
.page-title-lime { color: var(--lime); }

.page-desc {
  font-family: 'DM Sans', sans-serif;
  font-size: clamp(15px, 1.4vw, 18px);
  line-height: 1.75;
  color: rgba(240,236,227,0.5);
  max-width: 560px;
}

/* ── Divider ── */
.page-divider {
  height: 1px;
  background: rgba(255,255,255,0.07);
  margin: 0 clamp(24px, 6vw, 100px);
}

/* ── Grid ── */
.page-grid-wrap {
  padding: clamp(48px, 6vw, 80px) clamp(24px, 6vw, 100px) clamp(80px, 10vw, 120px);
  max-width: 1320px;
  margin: 0 auto;
}
.page-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 20px;
}

/* ── Cards ── */
.pg-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color 0.35s ease, transform 0.35s ease, box-shadow 0.35s ease;
  opacity: 0;
  transform: translateY(28px);
}
.pg-card.pg-in {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.6s ease, transform 0.6s ease, border-color 0.35s ease, box-shadow 0.35s ease;
}
.pg-card:hover {
  border-color: rgba(198,241,53,0.35);
  transform: translateY(-5px);
  box-shadow: 0 8px 40px rgba(0,0,0,0.4), 0 0 30px rgba(198,241,53,0.06);
}
.pg-card.pg-in:hover { transform: translateY(-5px); }

/* stagger */
.pg-card:nth-child(1) { transition-delay: 0s; }
.pg-card:nth-child(2) { transition-delay: 0.07s; }
.pg-card:nth-child(3) { transition-delay: 0.14s; }
.pg-card:nth-child(4) { transition-delay: 0.21s; }
.pg-card:nth-child(5) { transition-delay: 0.28s; }
.pg-card:nth-child(6) { transition-delay: 0.35s; }

.pg-card-img {
  height: 200px;
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
}
.pg-card-img-bg {
  width: 100%; height: 100%;
  transition: transform 0.6s cubic-bezier(0.25,0.46,0.45,0.94);
}
.pg-card:hover .pg-card-img-bg { transform: scale(1.07); }

.pg-card-img-badge {
  position: absolute;
  top: 14px; left: 14px;
  background: rgba(26,34,16,0.75);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(198,241,53,0.25);
  border-radius: 6px;
  padding: 4px 10px;
  font-family: 'DM Sans', sans-serif;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--lime);
}

.pg-card-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}
.pg-card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: 'DM Sans', sans-serif;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(240,236,227,0.3);
}
.pg-card-meta span { display: inline-flex; align-items: center; gap: 5px; }

.pg-card-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(20px, 2vw, 26px);
  line-height: 1.1;
  color: var(--chalk);
  letter-spacing: 0.02em;
  transition: color 0.25s ease;
}
.pg-card:hover .pg-card-title { color: #fff; }

.pg-card-desc {
  font-family: 'DM Sans', sans-serif;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(240,236,227,0.45);
  flex: 1;
}

.pg-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid rgba(255,255,255,0.06);
  margin-top: auto;
}
.pg-card-read {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: 'DM Sans', sans-serif;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--lime);
  text-decoration: none;
  transition: gap 0.25s ease;
}
.pg-card:hover .pg-card-read { gap: 10px; }
.pg-card-read svg { transition: transform 0.25s ease; }
.pg-card:hover .pg-card-read svg { transform: translate(2px,-2px); }
.pg-card-read.is-disabled { cursor: default; pointer-events: none; opacity: 0.5; }

/* ── Coming Soon badge ── */
.pg-coming-soon {
  font-family: 'DM Sans', sans-serif;
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(240,236,227,0.25);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 4px;
  padding: 3px 8px;
}

/* ── Page Footer ── */
.page-footer {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 32px clamp(24px, 6vw, 100px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.page-footer-copy {
  font-family: 'DM Sans', sans-serif;
  font-size: 12px;
  letter-spacing: 0.05em;
  color: rgba(240,236,227,0.25);
}
.page-footer-home {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'Bebas Neue', sans-serif;
  font-size: 13px;
  letter-spacing: 0.15em;
  color: rgba(240,236,227,0.4);
  text-decoration: none;
  transition: color 0.25s ease, gap 0.25s ease;
}
.page-footer-home:hover { color: var(--lime); gap: 12px; }

/* ── RTL / Farsi ── */
html[lang="fa"] .page-title,
html[lang="fa"] .pg-card-title { font-family: 'YekanBakh', sans-serif; direction: rtl; }
html[lang="fa"] .page-title {
  font-size: clamp(36px, 5.5vw, 72px);
  white-space: nowrap;
  line-height: 1;
}
html[lang="fa"] .page-desc,
html[lang="fa"] .pg-card-desc,
html[lang="fa"] .pg-card-meta  { font-family: 'YekanBakh', sans-serif; direction: rtl; text-align: right; }
html[lang="fa"] .page-eyebrow { flex-direction: row-reverse; font-family: 'YekanBakh', sans-serif; }
html[lang="fa"] .page-back span,
html[lang="fa"] .page-footer-copy,
html[lang="fa"] .pg-card-read span,
html[lang="fa"] .pg-coming-soon,
html[lang="fa"] .pg-card-diff,
html[lang="fa"] .pg-card-price,
html[lang="fa"] .pg-card-rating { font-family: 'YekanBakh', sans-serif; }
html[lang="fa"] .page-back { flex-direction: row-reverse; }
html[lang="fa"] .pg-card-footer { flex-direction: row-reverse; }
html[lang="fa"] .pg-card-img-badge { left: auto; right: 14px; }

/* ── Responsive ── */
@media (max-width: 640px) {
  .page-grid { grid-template-columns: 1fr; }
  .page-title { font-size: clamp(56px, 16vw, 90px); }
}