/* ══════════════════════════════════════════════════════════
   DIPLOMA TUTOR — PROFESSIONAL LIGHT EDTECH THEME
   Clean · Bright · Neumorphic · Compact · Accessible
   Color Palette:
     --primary   : #2563EB   (Education Blue)
     --secondary : #0EA5E9   (Sky Accent)
     --accent    : #F97316   (Warm CTA Orange)
     --surface   : #F0F4FF   (Soft Blue-White bg)
     --card-bg   : #FFFFFF
     --text-main : #1E293B
     --text-muted: #64748B
     --border    : #DDE4F0
     --gold      : #F59E0B   (Achievement Gold)
   ══════════════════════════════════════════════════════════ */

/* ── GOOGLE FONT IMPORT ── */
@import url('https://fonts.googleapis.com/css2?family=Anek+Bangla:wght@400;500;600;700;800&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

/* ── CSS VARIABLES ── */
:root {
  --primary:       #2563EB;
  --primary-light: #EFF6FF;
  --primary-dark:  #1D4ED8;
  --secondary:     #0EA5E9;
  --accent:        #F97316;
  --accent-light:  #FFF7ED;
  --gold:          #F59E0B;
  --gold-light:    #FFFBEB;
  --success:       #10B981;
  --surface:       #F0F4FF;
  --surface-2:     #E8EEFF;
  --card-bg:       #FFFFFF;
  --text-main:     #1E293B;
  --text-muted:    #64748B;
  --text-light:    #94A3B8;
  --border:        #DDE4F0;
  --border-light:  #EEF2FF;

  /* Neumorphism shadows (light bg = #F0F4FF) */
  --neu-shadow-out: 5px 5px 12px #C8D0E7, -4px -4px 10px #FFFFFF;
  --neu-shadow-in:  inset 3px 3px 8px #C8D0E7, inset -3px -3px 7px #FFFFFF;
  --neu-shadow-sm:  3px 3px 8px #C8D0E7, -3px -3px 8px #FFFFFF;

  /* Spacing */
  --radius-sm:  8px;
  --radius-md:  12px;
  --radius-lg:  16px;
  --radius-xl:  22px;
  --radius-full: 999px;
}

/* ══════════════════════════════════════════════════════════
   RESET & BASE
   ══════════════════════════════════════════════════════════ */
*,
*::before,
*::after { box-sizing: border-box; }

body {
  font-family: "Anek Bangla", "Plus Jakarta Sans", sans-serif;
  background-color: var(--surface);
  color: var(--text-main);
  margin: 0;
  overflow-x: hidden;
  scroll-behavior: smooth;
  padding-bottom: 60px;
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  margin: -1px; padding: 0; overflow: hidden;
  clip: rect(0,0,0,0); border: 0;
}

/* ── SCROLL REVEAL ── */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.55s ease-out, transform 0.55s ease-out;
}
.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* ══════════════════════════════════════════════════════════
   TOP BAR
   ══════════════════════════════════════════════════════════ */
#top-bar-wrapper {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.35s ease;
  position: relative;
  z-index: 1001;
}
#top-bar-wrapper.visible { max-height: 38px; }

.top-bar {
  background: linear-gradient(90deg, var(--primary-dark), var(--primary));
  color: #fff;
  padding: 4px 0;
  font-size: 0.78rem;
  font-weight: 500;
}
.top-bar a {
  color: rgba(255,255,255,0.88);
  text-decoration: none;
  margin-left: 10px;
  transition: color 0.2s;
}
.top-bar a:hover { color: #fff; }
.call-link { color: #FDE68A !important; font-weight: 700; }
.social-icons i { font-size: 0.82rem; }

/* ══════════════════════════════════════════════════════════
   NAVBAR
   ══════════════════════════════════════════════════════════ */
.navbar {
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--border), 0 2px 16px rgba(37,99,235,0.06);
  padding: 7px 20px;
  position: sticky;
  top: 0;
  z-index: 999;
  border-bottom: 2px solid var(--primary-light);
  transition: box-shadow 0.3s;
}
.navbar:hover {
  box-shadow: 0 1px 0 var(--border), 0 4px 20px rgba(37,99,235,0.1);
}

.navbar-brand img { height: 34px; transition: transform 0.3s; }
.navbar-brand img:hover { transform: scale(1.04); }

.navbar-nav .nav-link {
  color: var(--text-main) !important;
  font-weight: 600;
  font-size: 0.88rem;
  margin: 0 5px;
  padding: 5px 3px;
  position: relative;
}
.navbar-nav .nav-link::after {
  content: '';
  position: absolute; bottom: -1px; left: 0;
  width: 0; height: 2px;
  background: var(--accent);
  border-radius: var(--radius-full);
  transition: width 0.28s ease;
}
.navbar-nav .nav-link:hover { color: var(--primary) !important; }
.navbar-nav .nav-link:hover::after { width: 100%; }

/* Toggler button — neumorphic */
.premium-toggler {
  background: var(--surface);
  color: var(--primary) !important;
  border-radius: var(--radius-full);
  padding: 6px 14px;
  border: none;
  outline: none !important;
  box-shadow: var(--neu-shadow-sm);
  transition: 0.25s;
  font-weight: 600;
  font-size: 0.83rem;
}
.premium-toggler:hover {
  box-shadow: var(--neu-shadow-in);
  color: var(--primary-dark) !important;
}
.premium-toggler i { transition: transform 0.3s; }
.premium-toggler[aria-expanded="true"] i { transform: rotate(180deg); }

@media (max-width: 991px) {
  .navbar-collapse {
    background: #fff;
    border-radius: var(--radius-md);
    padding: 10px;
    margin-top: 10px;
    box-shadow: 0 8px 24px rgba(37,99,235,0.09);
    border: 1px solid var(--border);
  }
}

/* ══════════════════════════════════════════════════════════
   SECTION UTILITIES
   ══════════════════════════════════════════════════════════ */
.section-title {
  text-align: center;
  margin: 36px 0 22px;
  font-weight: 800;
  font-size: 1.55rem;
  color: var(--text-main);
  letter-spacing: -0.3px;
}
.section-title::after {
  content: '';
  width: 40px; height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  display: block;
  margin: 7px auto 0;
  border-radius: var(--radius-full);
}

.gradient-text {
  background: linear-gradient(120deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.gradient-text-light {
  background: linear-gradient(120deg, var(--accent), var(--gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ══════════════════════════════════════════════════════════
   HERO SECTION — LIGHT VERSION
   ══════════════════════════════════════════════════════════ */
.hero-section {
  position: relative;
  background: linear-gradient(135deg, #EFF6FF 0%, #E0EAFF 40%, #FFF7ED 100%);
  padding: 28px 0 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
/* Subtle decorative circles */
.hero-section::before {
  content: '';
  position: absolute;
  top: -60px; right: -60px;
  width: 280px; height: 280px;
  background: radial-gradient(circle, rgba(37,99,235,0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.hero-section::after {
  content: '';
  position: absolute;
  bottom: -40px; left: -40px;
  width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(249,115,22,0.07) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-glass-box {
  position: relative; z-index: 2;
  background: rgba(255,255,255,0.78);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(255,255,255,0.9);
  border-top: 2px solid var(--primary-light);
  border-radius: var(--radius-lg);
  padding: 20px 22px;
  color: var(--text-main);
  box-shadow: 0 4px 24px rgba(37,99,235,0.1), 0 1px 0 rgba(255,255,255,0.8) inset;
  max-width: 800px;
  width: 100%;
  animation: fadeInUp 0.7s ease-out;
}

.hero-inner {
  display: flex;
  align-items: center;
  gap: 18px;
}
.hero-text { flex: 1; text-align: left; }
.hero-text h2 {
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--text-main);
  margin-bottom: 6px;
  line-height: 1.3;
}
.hero-text p {
  font-size: 0.86rem;
  color: var(--text-muted);
  margin-bottom: 13px;
  line-height: 1.55;
}
.hero-photo-wrap { flex-shrink: 0; text-align: center; }

/* ── FOUNDER CARD ── */
.founder-card { display: flex; align-items: center; gap: 10px; }

.noman-rounded-sq {
  width: 72px; height: 72px;
  border-radius: var(--radius-md);
  border: 2px solid var(--primary-light);
  object-fit: cover;
  box-shadow: var(--neu-shadow-sm);
  flex-shrink: 0;
}
.founder-info { text-align: left; }
.founder-name {
  color: var(--primary);
  font-weight: 800;
  font-size: 0.82rem;
  margin: 0 0 3px;
  line-height: 1.3;
}
.founder-title {
  color: var(--text-muted);
  font-size: 0.7rem;
  margin: 0;
  line-height: 1.5;
}

/* ১. কন্টেইনারের ব্যাকগ্রাউন্ড এবং বাটনের ব্যাকগ্রাউন্ড একই হতে হবে */
.hero-btn-container {
  display: flex;
  flex-wrap: wrap;
  gap: 15px; 
  margin-top: 10px;
  padding: 20px;
  background-color: white !important; /* হালকা ধূসর ব্যাকগ্রাউন্ড */
  border-radius: 12px;
}

/* ২. বাটনগুলোর (a tag) বেসিক ও Neumorphic ডিজাইন */
.hero-btn-container a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none !important; /* আন্ডারলাইন রিমুভ */
  border-radius: 10px !important; /* ছবির মতো রাউন্ড শেপ */
  background-color: white !important; /* কন্টেইনারের সাথে মিল রাখা ব্যাকগ্রাউন্ড */
  border: none !important; /* আগের কোনো বর্ডার থাকলে বাতিল করা */
  outline: none !important;
  
  /* Neumorphic 3D Shadow (একটি ডার্ক, আরেকটি লাইট শ্যাডো) */
  box-shadow: 6px 6px 12px #a3b1c6, 
             -6px -6px 12px #ffffff !important;
  transition: all 0.2s ease-in-out !important;
}

/* ৩. বাটনে ক্লিক করলে ভেতরের দিকে দেবে যাওয়ার ইফেক্ট (Inset Shadow) */
.hero-btn-container a:active {
  box-shadow: inset 5px 5px 10px #a3b1c6, 
              inset -5px -5px 10px #ffffff !important;
}

/* ৪. আলাদা ক্লাসের জন্য আইকন ও টেক্সটের নির্দিষ্ট কালার */
.hero-btn-white {
  color: white !important; /* white Color */
}

/* কন্টেইনার লেআউট */
.hero-btn-container {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 12px;
  /* নিউমরফিজম ডিজাইনের জন্য ব্যাকগ্রাউন্ড কালার বাটনের কালারের সাথে মিল থাকতে হবে */
  background-color: #f3f4f6; 
  padding: 15px; 
  border-radius: 12px;
}

/* অ্যাঙ্কর <a> ট্যাগগুলোকে বাটনের মতো ডিজাইন করা */
.hero-btn-container a {
  display: inline-flex;
  align-items: center; /* আইকন এবং টেক্সট সোজাসুজি রাখার জন্য */
  gap: 8px; /* আইকন এবং টেক্সটের মাঝখানে ফাঁকা জায়গা */
  padding: 10px 18px;
  text-decoration: none; /* লিংকের নিচের দাগ রিমুভ করা */
  border-radius: 8px; /* ছবির মতো হালকা গোলাকার শেপ */
  background-color: #f3f4f6; /* কন্টেইনারের সাথে মিল রাখা ব্যাকগ্রাউন্ড */
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s ease-in-out;
  
  /* নিউমরফিজম থ্রিডি শ্যাডো (বাইরের দিক) */
  box-shadow: 4px 4px 8px #d1d5db, 
             -4px -4px 8px #ffffff;
}

/* বাটনে ক্লিক বা প্রেস করলে ভেতরের দিকে দেবে যাওয়ার ইফেক্ট */
.hero-btn-container a:active {
  box-shadow: inset 4px 4px 8px #d1d5db, 
              inset -4px -4px 8px #ffffff;
}

/* যেহেতু আপনার আলাদা ক্লাস আছে, তাই আইকন/টেক্সটের কালার আলাদা করতে পারেন */
.hero-btn-white {
  color: black; 

.hero-btn-white {
  color: black; 
} 


  font-size: 0.81rem;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, var(--accent), #EA6B05);
  border-radius: var(--radius-full);
  text-decoration: none;
  box-shadow: 3px 3px 8px rgba(249,115,22,0.3), -2px -2px 6px rgba(255,255,255,0.6);
  transition: 0.22s;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.hero-btn:hover {
  transform: translateY(-2px);
  color: #fff;
  text-decoration: none;
  box-shadow: 4px 4px 12px rgba(249,115,22,0.4), -2px -2px 6px rgba(255,255,255,0.5);
}

.hero-btn-outline {
  padding: 6px 15px;
  font-size: 0.81rem;
  font-weight: 700;
  color: var(--primary);
  background: var(--surface);
  border: 1.5px solid var(--primary-light);
  border-radius: var(--radius-full);
  text-decoration: none;
  box-shadow: var(--neu-shadow-sm);
  transition: 0.22s;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.hero-btn-outline:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  transform: translateY(-2px);
  text-decoration: none;
  box-shadow: 3px 3px 10px rgba(37,99,235,0.25);
}

.hero-btn-teal {
  padding: 6px 15px;
  font-size: 0.81rem;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, #059669, var(--success));
  border-radius: var(--radius-full);
  text-decoration: none;
  box-shadow: 3px 3px 8px rgba(16,185,129,0.28), -2px -2px 6px rgba(255,255,255,0.5);
  transition: 0.22s;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.hero-btn-teal:hover { transform: translateY(-2px); color: #fff; text-decoration: none; }

.hero-btn-white {
  padding: 6px 15px;
  font-size: 0.81rem;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, var(--gold), #D97706);
  border-radius: var(--radius-full);
  text-decoration: none;
  box-shadow: 3px 3px 8px rgba(245,158,11,0.3), -2px -2px 6px rgba(255,255,255,0.5);
  transition: 0.22s;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.hero-btn-whitw:hover { transform: translateY(-2px); color: #fff; text-decoration: none; filter: brightness(1.08); }

@media (max-width: 575px) {
  .hero-inner { flex-direction: column-reverse; text-align: center; }
  .hero-text { text-align: center; }
  .hero-btn-container { justify-content: center; }
  .hero-text h2 { font-size: 1.25rem; }
  .founder-card { justify-content: center; }
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(22px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ══════════════════════════════════════════════════════════
   HERO COURSE SLIDER
   ══════════════════════════════════════════════════════════ */
.hero-courses-section {
  margin-top: 18px;
  width: 100%;
}
.hero-courses-label {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 1.4px;
  text-transform: uppercase;
  margin-bottom: 9px;
  display: flex;
  align-items: center;
  gap: 7px;
}
.hero-courses-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--border), transparent);
}

.hero-active-slider {
  display: flex;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  -ms-overflow-style: none;
  scroll-behavior: smooth;
  cursor: grab;
  gap: 10px;
  padding-bottom: 8px;
  width: 100%;
}
.hero-active-slider::-webkit-scrollbar { display: none; }
.hero-active-slider:active { cursor: grabbing; }

.hero-slide-item {
  flex: 0 0 calc(50% - 5px);
  scroll-snap-align: start;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  text-decoration: none;
  color: var(--text-main);
  transition: all 0.28s ease;
  min-width: 0;
  box-shadow: 0 2px 8px rgba(37,99,235,0.06);
}
@media (max-width: 600px) {
  .hero-slide-item { flex: 0 0 calc(85% - 5px); }
}
.hero-slide-item:hover {
  border-color: var(--primary);
  transform: translateY(-3px);
  box-shadow: 0 6px 18px rgba(37,99,235,0.14);
  text-decoration: none;
  color: var(--text-main);
}

.hero-slide-thumb {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%;
  overflow: hidden;
  background: var(--primary-light);
}
.hero-slide-thumb img {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.hero-slide-item:hover .hero-slide-thumb img { transform: scale(1.05); }

.hero-slide-thumb-overlay {
  position: absolute; bottom: 0; left: 0; right: 0;
  height: 45%;
  background: linear-gradient(to top, rgba(30,41,59,0.55), transparent);
  z-index: 1;
}
.hero-slide-status {
  position: absolute; top: 8px; left: 8px; z-index: 2;
  display: flex; align-items: center; gap: 4px;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(6px);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  padding: 3px 8px;
  font-size: 0.66rem;
  font-weight: 700;
  color: var(--primary);
}

.live-indicator-dot {
  width: 6px; height: 6px;
  background: #EF4444;
  border-radius: 50%;
  animation: pulseDot 1.5s infinite;
  flex-shrink: 0;
}
@keyframes pulseDot {
  0%   { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(239,68,68,0.7); }
  70%  { transform: scale(1.1);  box-shadow: 0 0 0 5px rgba(239,68,68,0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(239,68,68,0); }
}

.hero-slide-info {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 10px 12px;
  background: #fff;
  border-top: 1px solid var(--border-light);
}
.hero-slide-icon {
  width: 30px; height: 30px;
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.88rem; flex-shrink: 0; color: #fff;
}
.slide-icon-1 { background: linear-gradient(135deg, var(--primary), var(--secondary)); }
.slide-icon-2 { background: linear-gradient(135deg, var(--accent), #EA6B05); }
.slide-icon-3 { background: linear-gradient(135deg, var(--gold), #D97706); }
.slide-icon-4 { background: linear-gradient(135deg, var(--success), #059669); }

.hero-slide-title {
  font-size: 0.8rem;
  font-weight: 700;
  margin: 0;
  line-height: 1.3;
  flex: 1;
  color: var(--text-main);
}
.hero-slide-arrow {
  color: var(--text-light);
  font-size: 0.85rem;
  transition: 0.25s;
  flex-shrink: 0;
}
.hero-slide-item:hover .hero-slide-arrow {
  color: var(--primary);
  transform: translateX(3px);
}

/* Slider dots */
.hero-slider-dots {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin-top: 9px;
}
.hero-dot {
  width: 6px; height: 6px;
  background: var(--border);
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.25s;
}
.hero-dot.active {
  background: var(--primary);
  width: 18px;
  border-radius: var(--radius-full);
}

/* ══════════════════════════════════════════════════════════
   COURSE SECTIONS
   ══════════════════════════════════════════════════════════ */
#courses, #course-3rd, #autocad-course, #offline-batches, #demo-classes {
  scroll-margin-top: 62px;
}
.course-section-bg {
  background: var(--surface);
  padding: 36px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

/* Premium animated border — light version */
.animated-fire-border {
  position: relative;
  border-radius: var(--radius-xl);
  padding: 2px;
  background: linear-gradient(90deg, var(--primary), var(--secondary), var(--accent), var(--secondary), var(--primary));
  background-size: 400%;
  animation: glowingFire 6s linear infinite;
  box-shadow: 0 4px 16px rgba(37,99,235,0.18);
  transition: 0.35s ease;
}
.animated-fire-border:hover {
  transform: translateY(-6px);
  box-shadow: 0 10px 28px rgba(37,99,235,0.28);
}
@keyframes glowingFire {
  0%   { background-position: 0% 0; }
  100% { background-position: 400% 0; }
}

/* Premium Course Card — LIGHT */
.premium-course-card {
  background: #fff;
  border-radius: 20px;
  overflow: hidden;
  position: relative;
  height: 100%;
  border: 1px solid var(--border-light);
  box-shadow: 0 2px 12px rgba(37,99,235,0.05);
}

.badge-popular {
  position: absolute; top: 13px; right: 13px;
  background: linear-gradient(135deg, var(--accent), #EA6B05);
  color: white;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-weight: 800;
  font-size: 0.72rem;
  box-shadow: 0 3px 10px rgba(249,115,22,0.35);
  z-index: 10;
  animation: pulseBadge 2.2s infinite;
}
@keyframes pulseBadge {
  0%   { box-shadow: 0 0 0 0 rgba(249,115,22,0.55); }
  70%  { box-shadow: 0 0 0 10px rgba(249,115,22,0); }
  100% { box-shadow: 0 0 0 0 rgba(249,115,22,0); }
}

.thumb-container { width: 100%; height: 175px; overflow: hidden; position: relative; }
.thumb-container::after {
  content: '';
  position: absolute; bottom: 0; left: 0; width: 100%; height: 35%;
  background: linear-gradient(to top, #fff, transparent);
  z-index: 1; pointer-events: none;
}
.thumb-container img {
  width: 100%; height: 100%; object-fit: cover; transition: 0.45s ease;
}
.animated-fire-border:hover .thumb-container img { transform: scale(1.06); }

.card-body-premium {
  padding: 18px;
  text-align: center;
  position: relative; z-index: 2;
}
.course-name {
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--text-main);
  margin-bottom: 5px;
}
.card-body-premium .text-muted {
  color: var(--text-muted) !important;
  font-size: 0.86rem;
  line-height: 1.5;
}
.card-body-premium .text-danger {
  color: var(--accent) !important;
  letter-spacing: 0.3px;
  font-size: 0.82rem;
}

.instructor-box {
  position: relative;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  margin: 13px 0;
  background: var(--primary-light);
  border: 1px solid var(--border-light);
  box-shadow: var(--neu-shadow-sm);
  display: inline-block;
  width: 100%;
}
.instructor-content { position: relative; z-index: 2; }
.instructor-name {
  font-size: 1rem;
  font-weight: 800;
  color: var(--primary-dark);
  margin: 0;
}

/* ── CARD BUTTONS — NEUMORPHIC ── */
.btn-group-custom { display: flex; gap: 9px; justify-content: center; margin-top: 13px; }
.btn-custom {
  padding: 8px 16px;
  border-radius: var(--radius-full);
  font-weight: 700;
  flex: 1;
  transition: 0.22s;
  text-decoration: none;
  font-size: 0.87rem;
  text-align: center;
  cursor: pointer;
}
.btn-details {
  background: var(--surface);
  color: var(--primary);
  border: 1.5px solid var(--border);
  box-shadow: var(--neu-shadow-sm);
}
.btn-details:hover {
  background: var(--primary);
  color: #fff;
  text-decoration: none;
  border-color: var(--primary);
  box-shadow: 0 4px 12px rgba(37,99,235,0.25);
  transform: translateY(-1px);
}
.btn-enroll {
  background: linear-gradient(135deg, var(--accent), #EA6B05);
  color: #fff;
  border: none;
  box-shadow: 3px 3px 8px rgba(249,115,22,0.3), -2px -2px 5px rgba(255,255,255,0.7);
}
.btn-enroll:hover {
  color: #fff;
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: 4px 4px 12px rgba(249,115,22,0.4);
}
.btn-login {
  background: var(--surface);
  color: var(--primary);
  border: 1.5px solid var(--border);
  box-shadow: var(--neu-shadow-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  padding: 9px;
  border-radius: var(--radius-full);
}
.btn-login:hover {
  background: var(--primary);
  color: #fff;
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(37,99,235,0.22);
}

/* ══════════════════════════════════════════════════════════
   FREE COURSE SECTION
   ══════════════════════════════════════════════════════════ */
.free-course-section {
  padding: 24px 0;
  background: linear-gradient(135deg, var(--primary-light), #E0EAFF);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.free-course-card {
  background: #fff;
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  box-shadow: 0 2px 10px rgba(37,99,235,0.07);
}
.free-badge {
  background: linear-gradient(135deg, var(--success), #059669);
  color: #fff;
  font-weight: 800;
  font-size: 0.72rem;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  flex-shrink: 0;
  letter-spacing: 1.2px;
  display: flex;
  align-items: center;
  gap: 4px;
}
.free-course-text { flex: 1; min-width: 170px; }
.free-course-text h4 { color: var(--text-main); font-weight: 700; margin-bottom: 3px; font-size: 1rem; }
.free-course-text p { color: var(--text-muted); margin-bottom: 0; font-size: 0.84rem; }

.btn-youtube {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--surface);
  color: #CC0000;
  border: 1.5px solid rgba(204,0,0,0.2);
  padding: 7px 18px;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.86rem;
  text-decoration: none;
  transition: 0.22s;
  flex-shrink: 0;
  box-shadow: var(--neu-shadow-sm);
}
.btn-youtube:hover {
  background: #CC0000;
  color: #fff;
  border-color: #CC0000;
  transform: translateY(-2px);
  text-decoration: none;
  box-shadow: 0 4px 12px rgba(204,0,0,0.25);
}

/* ══════════════════════════════════════════════════════════
   AUTOCAD / SPECIAL COURSE SECTION
   ══════════════════════════════════════════════════════════ */
.autocad-section {
  background: linear-gradient(135deg, #F0F4FF 0%, #EFF6FF 100%);
  padding: 26px 0;
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.autocad-section::before {
  content: '';
  position: absolute; top: 0; right: 0;
  width: 260px; height: 260px;
  background: radial-gradient(circle, rgba(37,99,235,0.05) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.premium-cad-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  box-shadow: 0 2px 12px rgba(37,99,235,0.07);
  position: relative; z-index: 2;
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}
.cad-left { flex-shrink: 0; text-align: center; min-width: 80px; }
.cad-icon {
  font-size: 2.2rem;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
}
.cad-title-sm {
  color: var(--text-muted);
  font-weight: 700;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  margin-top: 4px;
}
.cad-title-sm span {
  display: block;
  font-size: 1.1rem;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 0;
}
.cad-right { flex: 1; min-width: 200px; }
.cad-subtitle { color: var(--text-muted); font-size: 0.84rem; margin-bottom: 10px; line-height: 1.5; }
.cad-list {
  list-style: none; padding: 0; margin: 0 0 12px;
  border-left: 3px solid var(--primary-light);
  padding-left: 12px;
}
.cad-list li {
  color: var(--text-main);
  margin-bottom: 5px;
  font-size: 0.83rem;
  display: flex; align-items: flex-start;
}
.cad-list li i { color: var(--primary); margin-right: 7px; margin-top: 3px; font-size: 0.82rem; width: 13px; }

.cad-btn-whatsapp {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 18px;
  color: #fff !important;
  background: linear-gradient(135deg, #25D366, #128C7E);
  font-weight: 600;
  border-radius: var(--radius-full);
  box-shadow: 3px 3px 8px rgba(37,211,102,0.22), -2px -2px 6px rgba(255,255,255,0.6);
  transition: 0.22s;
  text-decoration: none;
  font-size: 0.86rem;
}
.cad-btn-whatsapp:hover {
  background: linear-gradient(135deg, #128C7E, #075E54);
  transform: translateY(-2px);
  text-decoration: none;
  box-shadow: 4px 4px 12px rgba(18,140,126,0.3);
}

/* ══════════════════════════════════════════════════════════
   OFFLINE BATCHES
   ══════════════════════════════════════════════════════════ */
.offline-section {
  background: linear-gradient(135deg, #F8FAFF 0%, #F0F4FF 100%);
  padding: 32px 0;
  border-top: 1px solid var(--border);
}

.offline-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 15px;
  height: 100%;
  color: var(--text-main);
  transition: 0.28s;
  box-shadow: 0 2px 8px rgba(37,99,235,0.05);
}
.offline-card:hover {
  transform: translateY(-3px);
  border-color: var(--primary);
  box-shadow: 0 6px 18px rgba(37,99,235,0.1);
}
.offline-icon-box {
  width: 34px; height: 34px;
  border-radius: var(--radius-sm);
  background: var(--primary-light);
  color: var(--primary);
  font-size: 0.95rem;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 10px;
  border: 1px solid var(--border-light);
}
.offline-card h4 { font-weight: 700; color: var(--text-main); margin-bottom: 9px; font-size: 0.95rem; }
.offline-list { list-style: none; padding: 0; margin: 0; }
.offline-list li {
  margin-bottom: 6px;
  font-size: 0.84rem;
  color: var(--text-muted);
  display: flex; align-items: flex-start;
}
.offline-list li i { color: var(--success); margin-top: 3px; margin-right: 7px; font-size: 0.8rem; }
.offline-list li strong { color: var(--text-main); font-weight: 600; margin-right: 4px; }

.offline-wide-card {
  background: #fff;
  border: 1px solid var(--border);
  border-left: 3px solid var(--gold);
  border-radius: var(--radius-md);
  padding: 15px 18px;
  box-shadow: 0 2px 8px rgba(37,99,235,0.05);
}
.offline-wide-inner { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.offline-wide-text { flex: 1; min-width: 180px; }
.offline-wide-text h4 { color: var(--text-main); font-size: 0.95rem; margin-bottom: 6px; font-weight: 700; }
.offline-wide-text p { color: var(--text-muted); font-size: 0.84rem; margin: 0; line-height: 1.55; }
.offline-hours { text-align: center; flex-shrink: 0; padding: 8px 16px; border-left: 1px dashed var(--border); }
.offline-hours h3 { color: var(--primary); font-weight: 800; font-size: 1rem; margin-bottom: 2px; }
.offline-hours p { color: var(--text-muted); font-size: 0.76rem; margin: 0; }
@media (max-width: 575px) {
  .offline-hours { border-left: none; border-top: 1px dashed var(--border); padding-top: 11px; }
}

/* ══════════════════════════════════════════════════════════
   FEATURES CHIPS
   ══════════════════════════════════════════════════════════ */
.features-section { padding: 18px 0 26px; background: #fff; }
.features-compact { display: flex; flex-wrap: wrap; gap: 9px; justify-content: center; }
.feature-chip {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  flex: 1;
  min-width: 190px;
  max-width: 245px;
  transition: 0.25s;
  box-shadow: var(--neu-shadow-sm);
}
.feature-chip:hover {
  border-color: var(--primary);
  background: #fff;
  box-shadow: 0 4px 14px rgba(37,99,235,0.1);
  transform: translateY(-2px);
}
.feature-chip-icon { color: var(--primary); font-size: 1.1rem; flex-shrink: 0; }
.feature-chip h5 { font-weight: 700; color: var(--text-main); margin-bottom: 1px; font-size: 0.85rem; }
.feature-chip p { color: var(--text-muted); font-size: 0.74rem; margin: 0; line-height: 1.3; }

/* ══════════════════════════════════════════════════════════
   DEMO CLASSES
   ══════════════════════════════════════════════════════════ */
.demo-section {
  padding: 38px 0;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.demo-subtitle {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 18px;
}
.demo-slider-container { position: relative; padding: 0 20px; }
.demo-slider {
  display: flex;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  gap: 12px;
  padding: 6px 2px 10px;
  scrollbar-width: none;
  -ms-overflow-style: none;
  cursor: grab;
}
.demo-slider::-webkit-scrollbar { display: none; }
.demo-slider:active { cursor: grabbing; }

.demo-slide {
  scroll-snap-align: start;
  flex: 0 0 calc(50% - 6px);
  min-width: 240px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: 0.25s;
  cursor: pointer;
  user-select: none;
  box-shadow: 0 2px 8px rgba(37,99,235,0.05);
}
@media (max-width: 575px) { .demo-slide { flex: 0 0 calc(82% - 6px); } }
.demo-slide:hover {
  border-color: var(--primary);
  box-shadow: 0 5px 16px rgba(37,99,235,0.12);
  transform: translateY(-3px);
}

.demo-thumb-wrap {
  position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; background: var(--surface);
}
.demo-thumb-wrap img {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  object-fit: cover; transition: 0.3s; opacity: 0.9;
}
.demo-slide:hover .demo-thumb-wrap img { opacity: 0.8; transform: scale(1.03); }

.demo-play-overlay {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  font-size: 2.4rem; color: rgba(255,255,255,0.9); z-index: 2;
  text-shadow: 0 2px 10px rgba(0,0,0,0.35); transition: 0.28s;
}
.demo-slide:hover .demo-play-overlay {
  color: var(--accent);
  transform: translate(-50%,-50%) scale(1.1);
}

.demo-slide-title {
  padding: 10px 13px;
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--text-main);
  margin: 0;
  border-top: 1px solid var(--border-light);
}

/* Slider nav buttons — neumorphic */
.slider-nav-btn {
  position: absolute; top: 50%; transform: translateY(-60%);
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--surface);
  color: var(--primary);
  border: 1px solid var(--border);
  font-size: 1rem;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; z-index: 10;
  transition: 0.22s;
  box-shadow: var(--neu-shadow-sm);
}
.slider-nav-btn:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  box-shadow: 0 3px 10px rgba(37,99,235,0.25);
}
.slider-prev { left: -4px; }
.slider-next { right: -4px; }

.btn-full-course {
  display: block;
  width: fit-content;
  margin: 16px auto 0;
  background: var(--surface);
  color: var(--primary);
  border: 1.5px solid var(--primary-light);
  padding: 8px 24px;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.9rem;
  text-decoration: none;
  transition: 0.25s;
  box-shadow: var(--neu-shadow-sm);
}
.btn-full-course:hover {
  background: var(--primary);
  color: #fff;
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(37,99,235,0.25);
}

/* Video modal */
.video-modal-overlay {
  display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(15,23,42,0.82); z-index: 9999;
  align-items: center; justify-content: center;
  backdrop-filter: blur(6px);
}
.video-modal-overlay.active { display: flex; }
.video-modal-box {
  position: relative; width: 92%; max-width: 760px;
  border-radius: var(--radius-lg); overflow: hidden;
  background: #000;
  box-shadow: 0 24px 60px rgba(0,0,0,0.5);
}
.video-modal-close {
  position: absolute; top: -38px; right: 0;
  background: none; border: none; color: #fff;
  font-size: 1.9rem; cursor: pointer; z-index: 10; line-height: 1;
}
.video-iframe-wrap { position: relative; padding-bottom: 56.25%; height: 0; }
.video-iframe-wrap iframe { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }

/* ══════════════════════════════════════════════════════════
   STATS
   ══════════════════════════════════════════════════════════ */
.stats-section { padding: 24px 0 8px; background: #fff; }

.stat-glass-box {
  background: var(--surface);
  border: 1px solid var(--border);
  text-align: center;
  padding: 14px 8px;
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  transition: 0.25s;
  box-shadow: var(--neu-shadow-sm);
}
.stat-glass-box:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 18px rgba(37,99,235,0.1);
  border-color: var(--primary);
}
.stat-icon {
  font-size: 1.4rem;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 5px;
}
.stat-number { font-size: 1.6rem; font-weight: 800; color: var(--text-main); line-height: 1.1; }
.stat-label { font-size: 0.74rem; font-weight: 600; color: var(--primary); margin-top: 3px; }

/* ══════════════════════════════════════════════════════════
   TESTIMONIALS — LIGHT VERSION
   ══════════════════════════════════════════════════════════ */
.testimonial-section {
  padding: 46px 0 40px;
  background: linear-gradient(135deg, var(--surface) 0%, #EEF4FF 100%);
  overflow: hidden;
  position: relative;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.testimonial-section::before {
  content: '';
  position: absolute; top: -80px; right: -80px;
  width: 360px; height: 360px;
  background: radial-gradient(circle, rgba(37,99,235,0.06) 0%, transparent 70%);
  border-radius: 50%; pointer-events: none;
}
.testimonial-section .section-title { color: var(--text-main) !important; }
.testimonial-section .section-title::after {
  background: linear-gradient(90deg, var(--primary), var(--accent)) !important;
}

.marquee-container {
  display: flex;
  overflow-x: auto;
  padding: 8px 0 14px;
  gap: 14px;
  cursor: grab;
  -ms-overflow-style: none;
  scrollbar-width: none;
}
.marquee-container::-webkit-scrollbar { display: none; }
.marquee-container:active { cursor: grabbing; }

.testimonial-card {
  width: 272px;
  background: #fff;
  border: 1px solid var(--border);
  padding: 18px;
  border-radius: var(--radius-lg);
  box-shadow: var(--neu-shadow-sm);
  flex-shrink: 0;
  transition: transform 0.3s ease, box-shadow 0.3s;
  margin-left: 6px;
}
.testimonial-card:last-child { margin-right: 6px; }
.testimonial-card:hover {
  transform: translateY(-5px) scale(1.012);
  box-shadow: 0 12px 32px rgba(37,99,235,0.12);
  border-color: var(--primary-light);
}
.testimonial-card i.fa-quote-left {
  font-size: 1.8rem;
  color: rgba(37,99,235,0.1);
  position: absolute;
  top: 13px; right: 13px;
}
.testimonial-text {
  font-style: italic;
  color: var(--text-muted);
  margin: 7px 0;
  font-size: 0.85rem;
  line-height: 1.65;
}
.student-info { display: flex; align-items: center; margin-top: 13px; }
.student-avatar {
  width: 38px; height: 38px;
  background: linear-gradient(135deg, var(--primary-light), #DBEAFE);
  border: 1.5px solid var(--border-light);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.95rem; margin-right: 9px;
  color: var(--primary); flex-shrink: 0;
}
.student-name { font-weight: 700; color: var(--text-main); margin-bottom: 0; font-size: 0.88rem; }
.student-dept { font-size: 0.7rem; color: var(--primary); font-weight: 600; margin-bottom: 0; }

/* ══════════════════════════════════════════════════════════
   ABOUT / WHY SECTION
   ══════════════════════════════════════════════════════════ */
.about-section { padding: 40px 0; background: #fff; }

.about-noman-card {
  background: linear-gradient(135deg, var(--primary-light) 0%, #EEF4FF 100%);
  border-radius: var(--radius-lg);
  padding: 24px;
  color: var(--text-main);
  border: 1px solid var(--border-light);
  position: relative;
  overflow: hidden;
  box-shadow: var(--neu-shadow-sm);
}
.about-noman-card::before {
  content: '\201C';
  position: absolute; top: -18px; left: 10px;
  font-size: 9rem;
  color: rgba(37,99,235,0.05);
  font-family: Georgia, serif;
  line-height: 1;
}
.about-inner { display: flex; align-items: flex-start; gap: 18px; }
.about-photo { flex-shrink: 0; text-align: center; }
.noman-circle-lg {
  width: 72px; height: 72px;
  border-radius: 50%;
  border: 3px solid var(--primary-light);
  object-fit: cover;
  box-shadow: var(--neu-shadow-sm);
  display: block;
}
.noman-caption {
  font-size: 0.6rem;
  color: var(--primary);
  font-weight: 700;
  margin-top: 5px;
  text-align: center;
  line-height: 1.3;
}
.about-content { flex: 1; }
.about-content h3 { font-weight: 800; font-size: 1.25rem; color: var(--text-main); margin-bottom: 12px; }
.about-quote {
  border-left: 3px solid var(--primary);
  padding-left: 13px;
  margin-bottom: 11px;
  background: rgba(37,99,235,0.03);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 8px 13px;
}
.about-quote p { font-size: 0.88rem; color: var(--text-main); line-height: 1.65; margin: 0; font-style: italic; }
.about-credit { font-size: 0.78rem; color: var(--primary); font-weight: 700; margin-top: 8px; }
.about-extra { font-size: 0.84rem; color: var(--text-muted); line-height: 1.6; margin-top: 9px; }
@media (max-width: 575px) { .about-inner { flex-direction: column; } }

/* ══════════════════════════════════════════════════════════
   MAP
   ══════════════════════════════════════════════════════════ */
.map-section { padding: 40px 0; background: var(--surface); text-align: center; }
.map-container {
  margin: 20px auto 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--neu-shadow-sm);
  max-width: 860px;
  border: 4px solid #fff;
}
.map-container iframe { width: 100%; height: 280px; border: 0; }

/* ══════════════════════════════════════════════════════════
   FOOTER
   ══════════════════════════════════════════════════════════ */
.footer-section {
  background: linear-gradient(135deg, #1E293B, #0F172A);
  color: #94A3B8;
  padding: 22px 0 10px;
}
.footer-inner { display: flex; flex-wrap: wrap; gap: 16px 26px; align-items: flex-start; }
.footer-brand { flex: 2; min-width: 170px; }
.footer-brand img { height: 26px; margin-bottom: 6px; display: block; }
.footer-brand p { font-size: 0.78rem; line-height: 1.5; margin: 0; color: #64748B; }
.footer-col { flex: 1; min-width: 130px; }
.footer-title { font-weight: 700; font-size: 0.87rem; color: #fff; margin-bottom: 8px; }
.footer-links { padding: 0; list-style: none; margin: 0; }
.footer-links li { margin-bottom: 5px; }
.footer-links a { color: #64748B; text-decoration: none; font-size: 0.77rem; transition: 0.2s; }
.footer-links a:hover { color: var(--secondary); padding-left: 3px; }
.footer-contact-line { font-size: 0.77rem; margin-bottom: 5px; display: flex; align-items: center; gap: 5px; }
.footer-contact-line a { color: #CBD5E1; text-decoration: none; }
.social-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 28px; height: 28px; border-radius: 50%;
  background: rgba(255,255,255,0.07);
  color: #fff; font-size: 0.76rem; margin-right: 5px;
  transition: 0.22s; text-decoration: none; border: 1px solid rgba(255,255,255,0.1);
}
.social-btn:hover { transform: translateY(-2px); color: #fff; }
.social-btn.fb:hover { background: #1877F2; border-color: #1877F2; }
.social-btn.yt:hover { background: #CC0000; border-color: #CC0000; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  margin-top: 14px; padding-top: 9px;
  font-size: 0.73rem; text-align: center;
}
.footer-bottom a { color: var(--secondary); text-decoration: none; font-weight: 600; }

/* ══════════════════════════════════════════════════════════
   SCROLL TO TOP
   ══════════════════════════════════════════════════════════ */
.scroll-top-btn {
  position: fixed; bottom: 118px; right: 14px; z-index: 1000;
  width: 36px; height: 36px;
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--primary) !important;
  font-size: 0.8rem;
  text-decoration: none !important;
  box-shadow: var(--neu-shadow-sm);
  opacity: 0; pointer-events: none;
  transition: opacity 0.35s ease, transform 0.2s ease;
}
.scroll-top-btn.visible { opacity: 1; pointer-events: all; }
.scroll-top-btn:hover {
  transform: scale(1.12) translateY(-2px);
  background: var(--primary);
  color: #fff !important;
  box-shadow: 0 4px 14px rgba(37,99,235,0.28);
}

/* ══════════════════════════════════════════════════════════
   WHATSAPP FLOAT
   ══════════════════════════════════════════════════════════ */
.whatsapp-float-btn {
  position: fixed; bottom: 68px; right: 14px; z-index: 1000;
  width: 42px; height: 42px;
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--neu-shadow-sm);
  transition: 0.25s; text-decoration: none;
}
.whatsapp-float-btn:hover {
  transform: scale(1.08);
  border-color: #25D366;
  box-shadow: 0 4px 14px rgba(37,211,102,0.2);
}
.whatsapp-float-btn img { width: 22px; height: 22px; filter: none; }

/* ══════════════════════════════════════════════════════════
   MOBILE BOTTOM NAV
   ══════════════════════════════════════════════════════════ */
.mobile-bottom-nav {
  display: none;
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 1050;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid var(--border);
  padding: 6px 14px max(6px, env(safe-area-inset-bottom));
  justify-content: space-around;
  align-items: stretch;
  gap: 7px;
  box-shadow: 0 -2px 16px rgba(37,99,235,0.08);
}
@media (max-width: 768px) { .mobile-bottom-nav { display: flex; } }

.mob-nav-btn {
  flex: 1;
  display: flex; flex-direction: column; align-items: center; gap: 3px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 6px 4px;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.58rem;
  font-weight: 700;
  transition: 0.2s;
  cursor: pointer;
  box-shadow: var(--neu-shadow-sm);
}
.mob-nav-btn:hover,
.mob-nav-btn:active {
  background: var(--primary-light);
  color: var(--primary);
  text-decoration: none;
  box-shadow: var(--neu-shadow-in);
}
.mob-nav-btn.highlight {
  background: linear-gradient(135deg, var(--accent-light), #FFF);
  border-color: rgba(249,115,22,0.25);
  color: var(--accent);
}
.mob-nav-btn.highlight:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.mob-nav-btn i { font-size: 0.92rem; }

/* ── HOME BUTTON — ANIMATED ── */
@keyframes homeGlow {
  0%, 100% { color: var(--primary); box-shadow: var(--neu-shadow-sm); }
  50%       { color: var(--accent); box-shadow: 0 0 0 3px rgba(249,115,22,0.15), var(--neu-shadow-sm); }
}
.mob-nav-btn.fire-home {
  background: var(--primary-light) !important;
  animation: homeGlow 2.2s ease-in-out infinite;
}
.mob-nav-btn.fire-home i { animation: homeGlow 1.8s ease-in-out infinite; }

@media (max-width: 768px) { body { padding-bottom: 66px; } }