/* ==========================================================================
   Sankalp Academy - Mobile-First Modern Design System
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700;800;900&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root {
  /* Brand Palette */
  --primary-rgb: 24, 58, 114;
  --primary: #183a72;
  --primary-dark: #0f2750;
  --primary-light: #2554a3;
  --primary-soft: rgba(24, 58, 114, 0.08);

  --accent-emerald: #059669;
  --accent-emerald-light: #10b981;
  --accent-emerald-soft: rgba(16, 185, 129, 0.12);

  --accent-amber: #f59e0b;
  --accent-amber-light: #fbbf24;
  --accent-indigo: #6366f1;

  --neutral-0: #ffffff;
  --neutral-50: #f8fafc;
  --neutral-100: #f1f5f9;
  --neutral-200: #e2e8f0;
  --neutral-300: #cbd5e1;
  --neutral-500: #64748b;
  --neutral-700: #334155;
  --neutral-800: #1e293b;
  --neutral-900: #0f172a;

  /* Glassmorphism */
  --glass-bg: rgba(255, 255, 255, 0.82);
  --glass-border: rgba(255, 255, 255, 0.4);
  --glass-shadow: 0 20px 40px -15px rgba(15, 23, 42, 0.07);

  /* Design Tokens */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;

  --radius-sm: 12px;
  --radius-md: 18px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-full: 9999px;

  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Base Reset & Typography */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  overflow-x: hidden;
}

body {
  font-family: var(--font-body);
  background-color: var(--neutral-50);
  color: var(--neutral-800);
  line-height: 1.6;
  overflow-x: hidden;
  padding-bottom: 76px; /* Space for mobile bottom navbar */
}

@media (min-width: 1024px) {
  body {
    padding-bottom: 0;
  }
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--neutral-900);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition-fast);
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  outline: none;
  background: none;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: var(--neutral-100);
}
::-webkit-scrollbar-thumb {
  background: var(--neutral-300);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--primary);
}

/* ==========================================================================
   Utility & Decorative Elements
   ========================================================================== */
.gradient-text {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent-emerald) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.gradient-bg {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
}

.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
}

.glow-ambient {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  z-index: -1;
  opacity: 0.4;
}

/* Buttons */
.btn-app {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 14px rgba(24, 58, 114, 0.15);
}

.btn-app:active {
  transform: scale(0.96);
}

.btn-primary-app {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--neutral-0);
}
.btn-primary-app:hover {
  box-shadow: 0 10px 25px rgba(24, 58, 114, 0.35);
  transform: translateY(-2px);
}

.btn-secondary-app {
  background: var(--neutral-0);
  color: var(--primary);
  border: 1px solid var(--neutral-200);
}
.btn-secondary-app:hover {
  background: var(--primary-soft);
  border-color: var(--primary);
}

.btn-emerald-app {
  background: linear-gradient(135deg, var(--accent-emerald) 0%, #047857 100%);
  color: var(--neutral-0);
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.25);
}
.btn-emerald-app:hover {
  box-shadow: 0 10px 25px rgba(16, 185, 129, 0.4);
  transform: translateY(-2px);
}

/* Badges */
.badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
}
.badge-emerald {
  background: var(--accent-emerald-soft);
  color: var(--accent-emerald);
  border: 1px solid rgba(16, 185, 129, 0.2);
}
.badge-primary {
  background: var(--primary-soft);
  color: var(--primary);
  border: 1px solid rgba(24, 58, 114, 0.15);
}

/* ==========================================================================
   Header Navigation & Floating Topbar
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 12px 0;
  transition: var(--transition-normal);
}

.site-header.scrolled {
  padding: 8px 0;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--neutral-200);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.header-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo img {
  height: 44px;
  width: auto;
  border-radius: var(--radius-sm);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
}

.brand-info h1 {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.1;
}

.brand-info p {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--accent-emerald);
  letter-spacing: 0.03em;
}

/* Desktop Navigation */
.desktop-nav {
  display: none;
}
@media (min-width: 1024px) {
  .desktop-nav {
    display: flex;
    align-items: center;
    gap: 24px;
  }
  .desktop-nav a {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--neutral-700);
    position: relative;
    padding: 6px 0;
  }
  .desktop-nav a:hover,
  .desktop-nav a.active {
    color: var(--primary);
  }
  .desktop-nav a.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--primary);
    border-radius: var(--radius-full);
  }

  .desktop-nav-portals-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--primary-soft);
    color: var(--primary);
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: 0.9rem;
    border: 1px solid rgba(24, 58, 114, 0.15);
    transition: var(--transition-fast);
    cursor: pointer;
  }

  .desktop-nav-portals-link:hover,
  .desktop-nav-portals-link.active {
    background: var(--primary);
    color: var(--neutral-0);
    border-color: var(--primary);
    box-shadow: 0 4px 12px rgba(24, 58, 114, 0.25);
  }
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.desktop-portals-btn {
  display: none;
}

@media (min-width: 1024px) {
  .desktop-portals-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--neutral-0);
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: 0.9rem;
    cursor: pointer;
    box-shadow: 0 4px 14px rgba(24, 58, 114, 0.2);
    transition: var(--transition-normal);
    border: 1px solid rgba(255, 255, 255, 0.2);
  }

  .desktop-portals-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(24, 58, 114, 0.35);
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
  }

  .desktop-portals-btn .toggle-chevron {
    font-size: 0.8rem;
    transition: transform 0.3s ease;
  }

  .desktop-portals-btn.open .toggle-chevron {
    transform: rotate(90deg);
  }
}

.mobile-drawer-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--neutral-100);
  color: var(--neutral-800);
  font-size: 1.2rem;
  transition: var(--transition-fast);
}

.mobile-drawer-toggle:active {
  transform: scale(0.92);
  background: var(--neutral-200);
}

@media (min-width: 1024px) {
  .mobile-drawer-toggle {
    display: none;
  }
}

/* Floating Edge Tab on Web View */
.web-sidebar-edge-toggle {
  display: none;
}

@media (min-width: 1024px) {
  .web-sidebar-edge-toggle {
    display: flex;
    align-items: center;
    gap: 10px;
    position: fixed;
    top: 50%;
    right: 0;
    transform: translateY(-50%);
    z-index: 1030;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--neutral-0);
    padding: 14px 14px 14px 12px;
    border-top-left-radius: var(--radius-md);
    border-bottom-left-radius: var(--radius-md);
    box-shadow: -4px 10px 30px rgba(15, 23, 42, 0.25);
    cursor: pointer;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-right: none;
    transition: all 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
  }

  .web-sidebar-edge-toggle:hover {
    padding-left: 18px;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
    box-shadow: -6px 12px 35px rgba(24, 58, 114, 0.35);
  }

  .web-sidebar-edge-toggle span {
    font-size: 0.82rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    writing-mode: vertical-rl;
    text-orientation: mixed;
    transform: rotate(180deg);
  }

  .web-sidebar-edge-toggle .edge-arrow {
    font-size: 0.85rem;
    transition: transform 0.35s ease;
  }

  .web-sidebar-edge-toggle.sidebar-active {
    right: 390px;
    background: var(--neutral-900);
    box-shadow: -4px 10px 30px rgba(0, 0, 0, 0.3);
  }

  .web-sidebar-edge-toggle.sidebar-active .edge-arrow {
    transform: rotate(180deg);
  }
}

/* Backdrop for Web Sidebar */
.web-sidebar-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.4);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 1040;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
}

.web-sidebar-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

/* Web View Portals Collapsible Sidebar Drawer */
.web-portals-sidebar {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 390px;
  background: #ffffff;
  z-index: 1050;
  box-shadow: -15px 0 50px rgba(15, 23, 42, 0.15);
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  border-left: 1px solid var(--neutral-200);
}

.web-portals-sidebar.open {
  transform: translateX(0);
}

/* Sidebar Header */
.web-sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px;
  background: linear-gradient(135deg, var(--neutral-900) 0%, var(--primary-dark) 100%);
  color: var(--neutral-0);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-brand-title {
  display: flex;
  align-items: center;
  gap: 14px;
}

.sidebar-badge-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--accent-emerald-light);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.sidebar-brand-title h3 {
  font-size: 1.15rem;
  color: #ffffff;
  font-weight: 800;
  margin-bottom: 2px;
}

.sidebar-brand-title p {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.7);
}

.web-sidebar-close {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: var(--transition-fast);
  cursor: pointer;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.web-sidebar-close:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: rotate(90deg);
}

/* Sidebar Body & Cards */
.web-sidebar-body {
  padding: 24px;
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 18px;
  background: var(--neutral-50);
}

.web-portal-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 20px;
  border: 1px solid var(--neutral-200);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.03);
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.web-portal-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.08);
}

.web-portal-card.student-card:hover {
  border-color: rgba(24, 58, 114, 0.4);
}

.web-portal-card.teacher-card:hover {
  border-color: rgba(16, 185, 129, 0.4);
}

.web-portal-card.admin-card:hover {
  border-color: rgba(99, 102, 241, 0.4);
}

.portal-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.portal-icon-wrapper {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.student-icon {
  background: rgba(24, 58, 114, 0.1);
  color: var(--primary);
}

.teacher-icon {
  background: rgba(16, 185, 129, 0.12);
  color: var(--accent-emerald);
}

.admin-icon {
  background: rgba(99, 102, 241, 0.12);
  color: var(--accent-indigo);
}

.portal-tag {
  font-size: 0.7rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 4px 10px;
  border-radius: var(--radius-full);
}

.tag-student {
  background: rgba(24, 58, 114, 0.08);
  color: var(--primary);
}

.tag-teacher {
  background: rgba(16, 185, 129, 0.1);
  color: var(--accent-emerald);
}

.tag-admin {
  background: rgba(99, 102, 241, 0.1);
  color: var(--accent-indigo);
}

.web-portal-card h4 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--neutral-900);
}

.web-portal-card p {
  font-size: 0.82rem;
  color: var(--neutral-500);
  line-height: 1.5;
  margin-bottom: 16px;
}

.portal-launch-btn {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 10px 16px;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 0.85rem;
  transition: var(--transition-fast);
}

.btn-student {
  background: var(--primary-soft);
  color: var(--primary);
}
.btn-student:hover {
  background: var(--primary);
  color: #ffffff;
}

.btn-teacher {
  background: var(--accent-emerald-soft);
  color: var(--accent-emerald);
}
.btn-teacher:hover {
  background: var(--accent-emerald);
  color: #ffffff;
}

.btn-admin {
  background: rgba(99, 102, 241, 0.1);
  color: var(--accent-indigo);
}
.btn-admin:hover {
  background: var(--accent-indigo);
  color: #ffffff;
}

/* Sidebar Footer */
.web-sidebar-footer {
  padding: 20px 24px;
  border-top: 1px solid var(--neutral-200);
  background: #ffffff;
}

.footer-help-text {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--neutral-500);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.footer-btn-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.sidebar-footer-btn {
  padding: 10px 14px;
  font-size: 0.82rem;
  border-radius: var(--radius-md);
}

/* ==========================================================================
   Mobile Slide-Over Navigation Drawer
   ========================================================================== */
.mobile-drawer-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(6px);
  z-index: 1050;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.mobile-drawer-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

.mobile-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 85%;
  max-width: 360px;
  background: var(--neutral-0);
  z-index: 1060;
  box-shadow: -10px 0 40px rgba(0, 0, 0, 0.2);
  display: flex;
  flex-col;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.32, 0.72, 0, 1);
  padding: 24px;
}

.mobile-drawer.open {
  transform: translateX(0);
}

.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--neutral-100);
}

.drawer-close {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--neutral-100);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--neutral-700);
}

.drawer-nav {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px 0;
  flex: 1;
  overflow-y: auto;
}

.drawer-nav a {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--neutral-700);
}

.drawer-nav a i {
  font-size: 1.2rem;
  color: var(--primary);
  width: 24px;
  text-align: center;
}

.drawer-nav a:active,
.drawer-nav a.active {
  background: var(--primary-soft);
  color: var(--primary);
}

.drawer-footer {
  padding-top: 16px;
  border-top: 1px solid var(--neutral-100);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* ==========================================================================
   Mobile Bottom Navigation Bar (App Experience)
   ========================================================================== */
.mobile-bottom-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 68px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid var(--neutral-200);
  z-index: 990;
  display: flex;
  align-items: center;
  justify-content: space-around;
  padding: 0 8px;
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.05);
}

@media (min-width: 1024px) {
  .mobile-bottom-bar {
    display: none;
  }
}

.bottom-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  flex: 1;
  height: 100%;
  color: var(--neutral-500);
  font-size: 0.72rem;
  font-weight: 600;
  position: relative;
  transition: var(--transition-fast);
}

.bottom-nav-item i {
  font-size: 1.25rem;
  transition: var(--transition-spring);
}

.bottom-nav-item.active {
  color: var(--primary);
}

.bottom-nav-item.active i {
  transform: translateY(-2px);
}

.bottom-nav-item.active::after {
  content: '';
  position: absolute;
  top: 6px;
  width: 20px;
  height: 3px;
  background: var(--primary);
  border-radius: var(--radius-full);
}

.bottom-nav-action {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-emerald) 0%, #047857 100%);
  color: var(--neutral-0);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  box-shadow: 0 4px 15px rgba(16, 185, 129, 0.4);
  transform: translateY(-10px);
}
.bottom-nav-action:active {
  transform: translateY(-10px) scale(0.92);
}

/* ==========================================================================
   Hero Section (Mobile-First High Impact)
   ========================================================================== */
.hero-section {
  position: relative;
  padding-top: 110px;
  padding-bottom: 60px;
  overflow: hidden;
}

@media (min-width: 1024px) {
  .hero-section {
    padding-top: 150px;
    padding-bottom: 100px;
  }
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
}

@media (min-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 60px;
  }
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.hero-title {
  font-size: 2.3rem;
  font-weight: 800;
  margin-top: 18px;
  margin-bottom: 18px;
  line-height: 1.15;
}

@media (min-width: 640px) {
  .hero-title {
    font-size: 3rem;
  }
}

@media (min-width: 1024px) {
  .hero-title {
    font-size: 3.75rem;
  }
}

.hero-description {
  font-size: 1rem;
  color: var(--neutral-500);
  margin-bottom: 28px;
  line-height: 1.7;
}

@media (min-width: 768px) {
  .hero-description {
    font-size: 1.15rem;
  }
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  width: 100%;
}

@media (min-width: 480px) {
  .hero-cta-group {
    width: auto;
  }
  .hero-cta-group .btn-app {
    width: auto;
  }
}

.hero-media-wrapper {
  position: relative;
  width: 100%;
}

.hero-main-img {
  width: 100%;
  border-radius: var(--radius-xl);
  box-shadow: 0 25px 50px -12px rgba(15, 23, 42, 0.18);
  object-fit: cover;
}

.hero-floating-stat {
  position: absolute;
  padding: 12px 18px;
  border-radius: var(--radius-md);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 10;
  animation: floatAnim 4s ease-in-out infinite alternate;
}

.stat-left {
  bottom: -16px;
  left: 10px;
}
.stat-right {
  top: -16px;
  right: 10px;
}

@keyframes floatAnim {
  0% { transform: translateY(0); }
  100% { transform: translateY(-8px); }
}

.floating-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

/* Quick Stats Ribbon */
.stats-ribbon {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 40px;
}

@media (min-width: 768px) {
  .stats-ribbon {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
}

.stat-card {
  background: var(--neutral-0);
  padding: 20px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--neutral-200);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.03);
  text-align: center;
  transition: var(--transition-normal);
}

.stat-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary-soft);
  box-shadow: 0 15px 35px rgba(24, 58, 114, 0.08);
}

.stat-card i {
  font-size: 2rem;
  margin-bottom: 10px;
}

.stat-card h3 {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--neutral-900);
}

.stat-card p {
  font-size: 0.82rem;
  color: var(--neutral-500);
  font-weight: 600;
}

/* ==========================================================================
   Bento Grid Section (Why Choose Us)
   ========================================================================== */
.bento-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 40px;
}

@media (min-width: 640px) {
  .bento-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .bento-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.bento-card {
  background: var(--neutral-0);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  border: 1px solid var(--neutral-200);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.bento-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.08);
  border-color: rgba(24, 58, 114, 0.2);
}

.bento-card.span-2 {
  grid-column: span 1;
}

@media (min-width: 1024px) {
  .bento-card.span-2 {
    grid-column: span 2;
  }
}

.bento-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
}

.bento-card h3 {
  font-size: 1.3rem;
  margin-bottom: 10px;
}

.bento-card p {
  color: var(--neutral-500);
  font-size: 0.92rem;
  line-height: 1.6;
}

/* ==========================================================================
   Courses Section with Interactive Grade Filter Tabs
   ========================================================================== */
.course-tabs-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 32px;
  margin-bottom: 40px;
  overflow-x: auto;
  padding: 6px;
  background: var(--neutral-200);
  border-radius: var(--radius-full);
  max-width: max-content;
  margin-left: auto;
  margin-right: auto;
}

.tab-btn {
  padding: 10px 24px;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--neutral-700);
  transition: var(--transition-fast);
  white-space: nowrap;
}

.tab-btn.active {
  background: var(--neutral-0);
  color: var(--primary);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.courses-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 640px) {
  .courses-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .courses-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.course-card {
  background: var(--neutral-0);
  border-radius: var(--radius-xl);
  padding: 32px 24px;
  border: 1px solid var(--neutral-200);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
}

.course-card:hover {
  transform: translateY(-6px);
  border-color: var(--primary-light);
  box-shadow: 0 20px 40px rgba(24, 58, 114, 0.12);
}

.course-grade-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  background: var(--primary-soft);
  color: var(--primary);
  font-weight: 800;
  font-size: 0.85rem;
  margin-bottom: 16px;
  width: max-content;
}

.course-card h3 {
  font-size: 1.5rem;
  margin-bottom: 12px;
}

.course-features-list {
  list-style: none;
  margin: 20px 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.course-features-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--neutral-700);
}

.course-features-list li i {
  color: var(--accent-emerald);
  font-size: 0.95rem;
}

/* ==========================================================================
   Mobile-Optimized Learning Process Timeline
   ========================================================================== */
.process-timeline {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 40px;
  position: relative;
}

@media (min-width: 768px) {
  .process-timeline {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .process-timeline {
    grid-template-columns: repeat(4, 1fr);
  }
}

.process-step-card {
  background: var(--neutral-0);
  padding: 24px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--neutral-200);
  display: flex;
  align-items: flex-start;
  gap: 16px;
  transition: var(--transition-normal);
}

.process-step-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent-emerald-light);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.05);
}

.step-number-badge {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--neutral-0);
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* ==========================================================================
   Contact & Direct Action Buttons Section
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-top: 40px;
}

@media (min-width: 1024px) {
  .contact-grid {
    grid-template-columns: 1fr 1fr;
    gap: 48px;
  }
}

.contact-card {
  background: var(--neutral-0);
  padding: 32px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--neutral-200);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
}

.contact-action-buttons {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 24px;
}

@media (min-width: 480px) {
  .contact-action-buttons {
    flex-direction: row;
  }
}

.action-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--neutral-0);
  transition: var(--transition-normal);
}

.action-btn-whatsapp {
  background: #25d366;
  box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
}
.action-btn-whatsapp:hover {
  background: #1ebc57;
  transform: translateY(-2px);
}

.action-btn-call {
  background: var(--primary);
  box-shadow: 0 4px 15px rgba(24, 58, 114, 0.3);
}
.action-btn-call:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
}

/* ==========================================================================
   Inquiry Modal Popup
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background: var(--neutral-0);
  width: 100%;
  max-width: 500px;
  border-radius: var(--radius-xl);
  padding: 32px;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.25);
  transform: scale(0.92);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  position: relative;
}

.modal-overlay.active .modal-content {
  transform: scale(1);
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--neutral-100);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--neutral-700);
  font-size: 1.1rem;
}

.form-group {
  margin-bottom: 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--neutral-700);
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--neutral-300);
  font-family: inherit;
  font-size: 0.95rem;
  outline: none;
  transition: var(--transition-fast);
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-soft);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background: var(--neutral-900);
  color: var(--neutral-300);
  padding: 60px 0 30px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-bottom: 40px;
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.footer-col h4 {
  color: var(--neutral-0);
  font-size: 1.1rem;
  margin-bottom: 16px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  color: var(--neutral-300);
  font-size: 0.9rem;
}

.footer-links a:hover {
  color: var(--accent-emerald-light);
}

.footer-bottom {
  text-align: center;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.85rem;
  color: var(--neutral-500);
}