/* ============================================================
   programingHero — hero-theme.css
   New visual identity: glass-morphism · purple gradient · hero aesthetic
   Loaded AFTER shared.css so all overrides take effect.
   ============================================================ */

/* ──────────────────────────────────────────────────────────
   CUSTOM PROPERTIES
────────────────────────────────────────────────────────── */
:root {
  --ph-purple:      #7C3AED;
  --ph-purple-dark: #5B21B6;
  --ph-blue:        #2563EB;
  --ph-cyan:        #06B6D4;
  --ph-amber:       #F59E0B;
  --ph-pink:        #EC4899;
  --ph-green:       #10B981;
  --ph-gradient:    linear-gradient(135deg,#7C3AED 0%,#2563EB 55%,#06B6D4 100%);
  --ph-glass:       rgba(255,255,255,0.72);
  --ph-glass-border:rgba(124,58,237,0.18);
  --ph-ease:        cubic-bezier(0.34,1.56,0.64,1);

  /* Override base variables */
  --primary:   #7C3AED;
  --secondary: #5B21B6;
  --accent:    #F59E0B;
}

[data-theme="dark"] {
  --ph-glass:        rgba(26,16,64,0.82);
  --ph-glass-border: rgba(124,58,237,0.32);
  --primary:   #8B5CF6;
  --secondary: #7C3AED;
  --accent:    #FCD34D;
}

/* ──────────────────────────────────────────────────────────
   BODY / BACKGROUND
────────────────────────────────────────────────────────── */
body {
  background-image:
    radial-gradient(ellipse at 8% 18%,  rgba(124,58,237,0.07) 0%, transparent 55%),
    radial-gradient(ellipse at 92% 82%, rgba(37,99,235,0.07)  0%, transparent 55%);
}

/* ──────────────────────────────────────────────────────────
   HEADER — glass bar
────────────────────────────────────────────────────────── */
header {
  background: rgba(255,255,255,0.86) !important;
  backdrop-filter: blur(18px) saturate(180%) !important;
  -webkit-backdrop-filter: blur(18px) saturate(180%) !important;
  border-bottom: 1px solid rgba(124,58,237,0.13) !important;
  box-shadow: 0 4px 28px rgba(124,58,237,0.08) !important;
}
[data-theme="dark"] header {
  background: rgba(20,16,45,0.92) !important;
  border-bottom-color: rgba(124,58,237,0.22) !important;
}

/* Logo text — gradient */
.logo-text {
  background: var(--ph-gradient) !important;
  -webkit-background-clip: text !important;
  -webkit-text-fill-color: transparent !important;
  background-clip: text !important;
  font-size: 1.4rem !important;
  font-weight: 900 !important;
  letter-spacing: -0.5px !important;
  text-decoration: none;
  display: inline-block;
}

/* Nav */
nav a { font-weight: 600 !important; }
nav a::after {
  background: var(--ph-gradient) !important;
  height: 2.5px !important;
  border-radius: 2px !important;
}

/* Toggles */
.theme-toggle:hover,
.lang-toggle:hover {
  background: var(--ph-gradient) !important;
  border-color: transparent !important;
  color: #fff !important;
  box-shadow: 0 4px 16px rgba(124,58,237,0.45) !important;
}

/* ──────────────────────────────────────────────────────────
   HERO SECTION
────────────────────────────────────────────────────────── */
.hero {
  background:
    radial-gradient(ellipse at 28% 48%, rgba(124,58,237,0.22) 0%, transparent 58%),
    radial-gradient(ellipse at 78% 18%, rgba(37,99,235,0.18)  0%, transparent 52%),
    radial-gradient(ellipse at 58% 82%, rgba(6,182,212,0.12)  0%, transparent 48%),
    linear-gradient(148deg,#0f0c29 0%,#1a1040 52%,#0d1b3e 100%) !important;
  overflow: hidden !important;
}

/* Star field overlay */
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(1.2px 1.2px at 18% 28%, rgba(255,255,255,0.45) 0%,transparent 100%),
    radial-gradient(1px   1px   at 38% 68%, rgba(255,255,255,0.30) 0%,transparent 100%),
    radial-gradient(1.5px 1.5px at 62% 18%, rgba(255,255,255,0.55) 0%,transparent 100%),
    radial-gradient(1px   1px   at 82% 58%, rgba(255,255,255,0.30) 0%,transparent 100%),
    radial-gradient(1.5px 1.5px at 8%  78%, rgba(255,255,255,0.40) 0%,transparent 100%),
    radial-gradient(1px   1px   at 92% 38%, rgba(255,255,255,0.30) 0%,transparent 100%),
    radial-gradient(2px   2px   at 28% 92%, rgba(255,255,255,0.20) 0%,transparent 100%),
    radial-gradient(1px   1px   at 72% 48%, rgba(255,255,255,0.40) 0%,transparent 100%),
    radial-gradient(1px   1px   at 48% 10%, rgba(255,255,255,0.35) 0%,transparent 100%),
    radial-gradient(1.5px 1.5px at 15% 55%, rgba(255,255,255,0.25) 0%,transparent 100%);
  pointer-events: none;
  animation: ph-twinkle 7s ease-in-out infinite alternate;
  z-index: 0;
}

@keyframes ph-twinkle {
  from { opacity: .55; }
  to   { opacity: 1;   }
}

.hero-container { position: relative; z-index: 1; }

.hero-title {
  font-size: clamp(1.9rem, 5vw, 3.4rem) !important;
  font-weight: 900 !important;
  line-height: 1.2 !important;
  color: #ffffff !important;
  text-shadow: 0 2px 24px rgba(124,58,237,0.35);
}

.hero-subtitle {
  color: rgba(255,255,255,0.84) !important;
  font-size: 1.08rem !important;
  line-height: 1.75 !important;
}

.stat-number {
  background: var(--ph-gradient) !important;
  -webkit-background-clip: text !important;
  -webkit-text-fill-color: transparent !important;
  background-clip: text !important;
  font-weight: 900 !important;
  font-size: 1.9rem !important;
}
.stat-label { color: rgba(255,255,255,0.72) !important; }

/* ──────────────────────────────────────────────────────────
   BUTTONS
────────────────────────────────────────────────────────── */
.btn-primary {
  background: var(--ph-gradient) !important;
  border: none !important;
  box-shadow: 0 5px 22px rgba(124,58,237,0.48) !important;
  font-weight: 700 !important;
  position: relative;
  overflow: hidden;
}
.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg,rgba(255,255,255,0.18),transparent);
  opacity: 0;
  transition: opacity .3s;
}
.btn-primary:hover { transform: translateY(-4px) !important; box-shadow: 0 10px 32px rgba(124,58,237,0.62) !important; }
.btn-primary:hover::before { opacity: 1; }

.btn-outline {
  border-color: rgba(255,255,255,0.52) !important;
  color: #fff !important;
  font-weight: 600 !important;
  backdrop-filter: blur(8px);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.16) !important;
  border-color: #fff !important;
  transform: translateY(-4px) !important;
}

.btn-white {
  background: #fff !important;
  color: var(--ph-purple) !important;
  font-weight: 800 !important;
  border-radius: 50px !important;
  box-shadow: 0 4px 22px rgba(0,0,0,0.16) !important;
}
.btn-white:hover { transform: translateY(-4px) !important; box-shadow: 0 10px 34px rgba(0,0,0,0.28) !important; }

/* ──────────────────────────────────────────────────────────
   SECTION HEADINGS
────────────────────────────────────────────────────────── */
.section-title {
  font-size: clamp(1.55rem,3.5vw,2.35rem) !important;
  font-weight: 900 !important;
  background: var(--ph-gradient) !important;
  -webkit-background-clip: text !important;
  -webkit-text-fill-color: transparent !important;
  background-clip: text !important;
}
.section-subtitle { font-size: 1rem !important; opacity: .76; }

.section-header {
  text-align: center;
  margin-bottom: 2.5rem;
  position: relative;
}
.section-header::after {
  content: '';
  display: block;
  width: 56px;
  height: 4px;
  background: var(--ph-gradient);
  border-radius: 4px;
  margin: 14px auto 0;
}

/* ──────────────────────────────────────────────────────────
   CATEGORY CARDS — glass
────────────────────────────────────────────────────────── */
.category-card {
  background: var(--ph-glass) !important;
  backdrop-filter: blur(14px) !important;
  -webkit-backdrop-filter: blur(14px) !important;
  border: 1.5px solid var(--ph-glass-border) !important;
  border-radius: 22px !important;
  box-shadow: 0 4px 24px rgba(124,58,237,0.09) !important;
  transition: transform .35s var(--ph-ease), box-shadow .35s, border-color .25s !important;
  overflow: hidden;
}
.category-card:hover {
  transform: translateY(-9px) scale(1.025) !important;
  box-shadow: 0 20px 52px rgba(124,58,237,0.26) !important;
  border-color: rgba(124,58,237,0.45) !important;
}

.category-icon {
  width: 58px !important;
  height: 58px !important;
  background: var(--ph-gradient) !important;
  border-radius: 16px !important;
  box-shadow: 0 6px 18px rgba(124,58,237,0.4) !important;
  font-size: 1.55rem !important;
}
.category-icon i { color: #fff !important; }

.category-title { font-weight: 800 !important; font-size: 1.12rem !important; }

.category-link {
  background: rgba(124,58,237,0.1) !important;
  color: var(--ph-purple) !important;
  border-radius: 20px !important;
  font-weight: 700 !important;
  transition: background .25s, color .25s !important;
}
.category-link:hover { background: var(--ph-gradient) !important; color: #fff !important; }

[data-theme="dark"] .category-card { background: rgba(26,16,64,0.82) !important; }

/* ──────────────────────────────────────────────────────────
   COURSE CARDS
────────────────────────────────────────────────────────── */
.course-card {
  background: var(--ph-glass) !important;
  backdrop-filter: blur(12px) !important;
  border: 1.5px solid var(--ph-glass-border) !important;
  border-radius: 20px !important;
  box-shadow: 0 4px 20px rgba(0,0,0,0.06) !important;
  transition: transform .35s var(--ph-ease), box-shadow .35s, border-color .25s !important;
}
.course-card:hover {
  transform: translateY(-7px) !important;
  box-shadow: 0 18px 44px rgba(124,58,237,0.2) !important;
  border-color: rgba(124,58,237,0.38) !important;
}
.course-title { font-weight: 800 !important; }
.course-category {
  background: var(--ph-gradient) !important;
  border-radius: 20px !important;
  font-weight: 700 !important;
  font-size: .74rem !important;
}
.course-link {
  background: var(--ph-gradient) !important;
  color: #fff !important;
  border-radius: 20px !important;
  font-weight: 700 !important;
  box-shadow: 0 4px 16px rgba(124,58,237,0.38) !important;
  transition: transform .3s var(--ph-ease), box-shadow .3s !important;
}
.course-link:hover { transform: translateY(-3px) !important; box-shadow: 0 8px 26px rgba(124,58,237,0.55) !important; }

[data-theme="dark"] .course-card { background: rgba(26,16,64,0.82) !important; }

/* ──────────────────────────────────────────────────────────
   CTA SECTION
────────────────────────────────────────────────────────── */
.cta {
  background: var(--ph-gradient) !important;
  position: relative;
  overflow: hidden;
}
.cta::before {
  background:
    radial-gradient(ellipse at 18% 52%, rgba(255,255,255,0.12) 0%,transparent 52%),
    radial-gradient(ellipse at 82% 48%, rgba(255,255,255,0.08) 0%,transparent 48%) !important;
}
.cta-title { color: #fff !important; font-weight: 900 !important; font-size: clamp(1.45rem,3vw,2.15rem) !important; text-shadow: 0 2px 12px rgba(0,0,0,0.14); }
.cta-subtitle { color: rgba(255,255,255,0.88) !important; }

/* ──────────────────────────────────────────────────────────
   INNER PAGE HERO (page-hero)
────────────────────────────────────────────────────────── */
.page-hero {
  background: var(--ph-gradient) !important;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(ellipse at 24% 52%,rgba(255,255,255,0.13) 0%,transparent 52%),
    radial-gradient(ellipse at 78% 28%,rgba(255,255,255,0.08) 0%,transparent 42%);
  pointer-events: none;
}
.page-hero h1 { color: #fff !important; font-weight: 900 !important; text-shadow: 0 2px 20px rgba(0,0,0,0.18); }
.page-hero p  { color: rgba(255,255,255,0.88) !important; }

/* ──────────────────────────────────────────────────────────
   CONTENT CARDS (inner pages)
────────────────────────────────────────────────────────── */
.benefit-item,
.field-category,
.story-item,
.application-card,
.step,
.feature-item {
  background: var(--ph-glass) !important;
  backdrop-filter: blur(10px) !important;
  border: 1.5px solid var(--ph-glass-border) !important;
  border-radius: 18px !important;
  transition: transform .35s var(--ph-ease), box-shadow .35s, border-color .25s !important;
}
.benefit-item:hover,
.field-category:hover,
.story-item:hover,
.application-card:hover,
.step:hover,
.feature-item:hover {
  transform: translateY(-6px) !important;
  border-color: rgba(124,58,237,0.42) !important;
  box-shadow: 0 12px 36px rgba(124,58,237,0.18) !important;
}

.step-number {
  background: var(--ph-gradient) !important;
  box-shadow: 0 6px 18px rgba(124,58,237,0.42) !important;
  color: #fff !important;
  font-weight: 900 !important;
}

.benefit-item h4, .field-category h4, .story-item h4 { font-weight: 800 !important; }

[data-theme="dark"] .benefit-item,
[data-theme="dark"] .field-category,
[data-theme="dark"] .story-item,
[data-theme="dark"] .application-card,
[data-theme="dark"] .step {
  background: rgba(26,16,64,0.82) !important;
}

/* ──────────────────────────────────────────────────────────
   FOOTER
────────────────────────────────────────────────────────── */
footer {
  background: linear-gradient(148deg,#0f0c29 0%,#1a1040 58%,#0d1b3e 100%) !important;
  border-top: 1px solid rgba(124,58,237,0.22);
  position: relative;
  overflow: hidden;
}
footer::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(1px 1px at 12% 38%,rgba(255,255,255,0.14) 0%,transparent 100%),
    radial-gradient(1px 1px at 52% 72%,rgba(255,255,255,0.10) 0%,transparent 100%),
    radial-gradient(1px 1px at 88% 28%,rgba(255,255,255,0.14) 0%,transparent 100%),
    radial-gradient(1px 1px at 36% 90%,rgba(255,255,255,0.08) 0%,transparent 100%),
    radial-gradient(1px 1px at 74% 14%,rgba(255,255,255,0.12) 0%,transparent 100%);
  pointer-events: none;
}

.footer-logo {
  background: var(--ph-gradient) !important;
  -webkit-background-clip: text !important;
  -webkit-text-fill-color: transparent !important;
  background-clip: text !important;
  font-size: 1.45rem !important;
  font-weight: 900 !important;
}

.footer-about { color: rgba(255,255,255,0.62) !important; line-height: 1.72 !important; }

.footer-title {
  color: rgba(255,255,255,0.92) !important;
  font-weight: 700 !important;
  position: relative;
  padding-bottom: 10px !important;
  margin-bottom: 14px !important;
}
.footer-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  right: 0;
  width: 34px;
  height: 3px;
  background: var(--ph-gradient);
  border-radius: 3px;
}
[dir="ltr"] .footer-title::after { right: auto; left: 0; }

.footer-links a {
  color: rgba(255,255,255,0.60) !important;
  transition: color .2s, padding-right .2s !important;
}
.footer-links a:hover { color: var(--ph-amber) !important; }
[dir="ltr"] .footer-links a:hover { padding-left: 6px !important; }

.footer-bottom {
  border-top-color: rgba(124,58,237,0.22) !important;
  color: rgba(255,255,255,0.42) !important;
}
.footer-bottom a { color: rgba(255,255,255,0.42) !important; }
.footer-bottom a:hover { color: var(--ph-amber) !important; }
.footer-bottom p { color: rgba(255,255,255,0.42) !important; }

.social-link {
  background: rgba(255,255,255,0.08) !important;
  border: 1px solid rgba(255,255,255,0.14) !important;
  transition: transform .3s var(--ph-ease), background .25s, box-shadow .25s !important;
}
.social-link:hover {
  background: var(--ph-gradient) !important;
  border-color: transparent !important;
  transform: translateY(-4px) scale(1.12) !important;
  box-shadow: 0 8px 22px rgba(124,58,237,0.52) !important;
}

/* ──────────────────────────────────────────────────────────
   MOBILE NAV
────────────────────────────────────────────────────────── */
.mobile-nav {
  background: rgba(15,12,41,0.96) !important;
  backdrop-filter: blur(22px) !important;
  border-bottom: 1px solid rgba(124,58,237,0.22) !important;
}
.mobile-nav a:hover, .mobile-nav a.active {
  color: var(--ph-amber) !important;
  background: rgba(124,58,237,0.14) !important;
}

/* ──────────────────────────────────────────────────────────
   SCROLLBAR
────────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--ph-gradient); border-radius: 6px; }
::-webkit-scrollbar-thumb:hover { opacity: .85; }

/* ──────────────────────────────────────────────────────────
   SELECTION
────────────────────────────────────────────────────────── */
::selection { background: rgba(124,58,237,0.28); }

/* ──────────────────────────────────────────────────────────
   ENTRANCE ANIMATIONS
────────────────────────────────────────────────────────── */
@keyframes ph-slide-up {
  from { opacity: 0; transform: translateY(22px); }
  to   { opacity: 1; transform: translateY(0);    }
}
.hero-content { animation: ph-slide-up .7s ease-out both; }
.hero-image   { animation: ph-slide-up .7s .18s ease-out both; }

.category-card:nth-child(1) { animation: ph-slide-up .55s .00s ease-out both; }
.category-card:nth-child(2) { animation: ph-slide-up .55s .08s ease-out both; }
.category-card:nth-child(3) { animation: ph-slide-up .55s .16s ease-out both; }
.category-card:nth-child(4) { animation: ph-slide-up .55s .24s ease-out both; }
.category-card:nth-child(5) { animation: ph-slide-up .55s .32s ease-out both; }

.course-card:nth-child(1) { animation: ph-slide-up .5s .05s ease-out both; }
.course-card:nth-child(2) { animation: ph-slide-up .5s .12s ease-out both; }
.course-card:nth-child(3) { animation: ph-slide-up .5s .19s ease-out both; }