/* CSS Variables - Design System */
:root {
  /* Brand Colors */
  --primary-green: #90c23b;
  --primary-green-dark: #6d9a1f;
  --dark-green: #43591c;
  --medium-green: #759b30;
  --light-green: #85b237;
  
  /* Background Colors (Dark Mode - Default) */
  --dark-bg: #0a0a0a;
  --darker-bg: #050505;
  --lighter-bg: #1a1a1a;
  --card-bg: rgba(255, 255, 255, 0.05);
  --glass-bg: rgba(255, 255, 255, 0.1);
  --glass-border: rgba(255, 255, 255, 0.12);
  --surface-1: #111111;
  --surface-2: #161616;
  --surface-3: #1c1c1c;
  
  /* Text Colors */
  --text-primary: #f0f0f0;
  --text-secondary: #b0b0b0;
  --text-muted: #777777;
  --text-accent: var(--primary-green);
  
  /* Accent Colors */
  --accent-blue: #3b82f6;
  --accent-purple: #8b5cf6;
  --accent-orange: #f59e0b;
  --accent-red: #ef4444;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #90c23b 0%, #759b30 100%);
  --gradient-dark: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 100%);
  --gradient-glass: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
  --gradient-hero: radial-gradient(ellipse at 20% 50%, rgba(144,194,59,0.08) 0%, transparent 60%);
  
  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.2);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.25);
  --shadow-glow: 0 0 20px rgba(144, 194, 59, 0.3);
  --shadow-card: 0 4px 24px rgba(0,0,0,0.3);
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 24px;
  --radius-full: 50%;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  
  /* Typography */
  --font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  --font-size-6xl: 3.75rem;
  
  /* Spacing - extra */
  --spacing-4xl: 6rem;
  
  /* Z-index */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
  
  /* Transitions */
  --transition-theme: background-color 0.4s ease, color 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease;
}

/* Light Mode */
[data-theme="light"] {
  --dark-bg: #f5f7fa;
  --darker-bg: #ebeef3;
  --lighter-bg: #ffffff;
  --card-bg: rgba(0, 0, 0, 0.03);
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(0, 0, 0, 0.1);
  --surface-1: #ffffff;
  --surface-2: #f8f9fb;
  --surface-3: #f0f2f5;
  --text-primary: #1a1a2e;
  --text-secondary: #555566;
  --text-muted: #888899;
  --gradient-dark: linear-gradient(135deg, #f5f7fa 0%, #e8ecf1 100%);
  --gradient-glass: linear-gradient(135deg, rgba(255, 255, 255, 0.8) 0%, rgba(255, 255, 255, 0.4) 100%);
  --gradient-hero: radial-gradient(ellipse at 20% 50%, rgba(144,194,59,0.06) 0%, transparent 60%);
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.08);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1);
  --shadow-glow: 0 0 20px rgba(144, 194, 59, 0.15);
  --shadow-card: 0 4px 24px rgba(0,0,0,0.06);
}

/* Reset & Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-family);
  background-color: var(--dark-bg);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: var(--transition-theme);
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
}

h1 { font-size: var(--font-size-5xl); }
h2 { font-size: var(--font-size-4xl); }
h3 { font-size: var(--font-size-3xl); }
h4 { font-size: var(--font-size-2xl); }
h5 { font-size: var(--font-size-xl); }
h6 { font-size: var(--font-size-lg); }

p {
  margin-bottom: var(--spacing-md);
  color: var(--text-secondary);
}

a {
  color: var(--primary-green);
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: var(--light-green);
}

/* Text Gradient */
.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Buttons */
.btn-primary {
  background: var(--gradient-primary);
  color: #fff;
  border: none;
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: var(--radius-lg);
  font-family: var(--font-family);
  font-weight: 600;
  font-size: var(--font-size-base);
  cursor: pointer;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  position: relative;
  overflow: hidden;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s ease;
}

.btn-primary:hover::before {
  left: 100%;
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 2px solid var(--glass-border);
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: var(--radius-lg);
  font-family: var(--font-family);
  font-weight: 600;
  font-size: var(--font-size-base);
  cursor: pointer;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: var(--glass-bg);
  border-color: var(--primary-green);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--primary-green);
  border: 2px solid var(--primary-green);
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: var(--radius-lg);
  font-family: var(--font-family);
  font-weight: 600;
  font-size: var(--font-size-base);
  cursor: pointer;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.btn-outline:hover {
  background: var(--primary-green);
  color: var(--dark-bg);
  transform: translateY(-2px);
}

.btn-large {
  padding: var(--spacing-lg) var(--spacing-2xl);
  font-size: var(--font-size-lg);
}

.btn-arrow {
  transition: transform 0.3s ease;
}

.btn-primary:hover .btn-arrow,
.btn-secondary:hover .btn-arrow,
.btn-outline:hover .btn-arrow {
  transform: translateX(4px);
}

/* Loading Screen */
.loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--dark-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loading-screen.hidden {
  opacity: 0;
  visibility: hidden;
}

.loading-content {
  text-align: center;
}

.loading-logo {
  margin-bottom: var(--spacing-lg);
}

.logo-spinner {
  width: 60px;
  height: 60px;
  border: 3px solid var(--glass-border);
  border-top: 3px solid var(--primary-green);
  border-radius: var(--radius-full);
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.loading-content p {
  color: var(--text-secondary);
  font-size: var(--font-size-lg);
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(10, 10, 10, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  z-index: var(--z-fixed);
  transition: all 0.3s ease;
}

.navbar.scrolled {
  background: rgba(10, 10, 10, 0.95);
  box-shadow: var(--shadow-md);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  font-weight: 700;
  font-size: var(--font-size-xl);
}

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

.brand-edusyms {
  color: var(--primary-green);
}

.brand-syms {
  color: var(--text-primary);
}

.brand-x {
  color: var(--text-secondary);
}

.brand-sagma {
  color: var(--text-primary);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
}

.nav-link {
  color: var(--text-secondary);
  font-weight: 500;
  transition: color 0.3s ease;
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-primary);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-green);
  transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-cta {
  background: var(--gradient-primary);
  color: #fff;
  border: none;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-md);
  font-family: var(--font-family);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-sm);
}

.nav-toggle span {
  width: 25px;
  height: 2px;
  background: var(--text-primary);
  transition: all 0.3s ease;
}

/* Sections */
section {
  padding: var(--spacing-3xl) 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.section-title {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
}

.section-subtitle {
  font-size: var(--font-size-xl);
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* Footer */
.footer {
  background: var(--surface-1, var(--darker-bg));
  border-top: 1px solid var(--glass-border);
  padding: 0;
  transition: var(--transition-theme);
}

.footer-top {
  background: linear-gradient(135deg, var(--primary-green), var(--medium-green));
  padding: var(--spacing-3xl) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.footer-top::before {
  content: '';
  position: absolute;
  top: -50%; left: -50%; width: 200%; height: 200%;
  background: radial-gradient(circle at 30% 50%, rgba(255,255,255,0.1) 0%, transparent 50%);
  animation: footerShimmer 8s ease-in-out infinite;
}

@keyframes footerShimmer {
  0%, 100% { transform: translate(0,0); }
  50% { transform: translate(5%, -3%); }
}

.footer-top h3 {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: #fff;
  margin-bottom: var(--spacing-sm);
  position: relative;
}

.footer-top p {
  color: rgba(255,255,255,0.85);
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-xl);
  position: relative;
}

.footer-top-actions {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
}

.footer-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: 14px 32px;
  border-radius: 50px;
  font-family: var(--font-family);
  font-weight: 600;
  font-size: var(--font-size-base);
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
}

.footer-btn-white {
  background: #fff;
  color: var(--dark-green);
  border: none;
}

.footer-btn-white:hover {
  background: #f0f0f0;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
  color: var(--dark-green);
}

.footer-btn-ghost {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,0.4);
}

.footer-btn-ghost:hover {
  border-color: #fff;
  background: rgba(255,255,255,0.1);
  transform: translateY(-2px);
  color: #fff;
}

.footer-main {
  padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
}

.footer-brand-col .brand-logo {
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-xl);
}

.footer-brand-col .footer-tagline {
  color: var(--text-secondary);
  max-width: 280px;
  line-height: 1.7;
  font-size: var(--font-size-sm);
}

.footer-contact-list {
  list-style: none;
  padding: 0;
  margin-top: var(--spacing-lg);
}

.footer-contact-list li {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-sm);
  transition: color 0.3s;
}

.footer-contact-list li:hover {
  color: var(--primary-green);
}

.footer-contact-list .fc-icon {
  font-size: 1rem;
  width: 20px;
  text-align: center;
  flex-shrink: 0;
}

.footer-col h4 {
  font-size: var(--font-size-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: var(--spacing-lg);
  color: var(--text-primary);
  position: relative;
  padding-bottom: var(--spacing-sm);
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 24px;
  height: 2px;
  background: var(--primary-green);
  border-radius: 1px;
}

.footer-col a {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-md);
  transition: all 0.3s ease;
  text-decoration: none;
}

.footer-col a:hover {
  color: var(--primary-green);
  transform: translateX(4px);
}

.footer-col a .fa-icon {
  font-size: 0.7rem;
  opacity: 0;
  transition: opacity 0.3s, transform 0.3s;
  transform: translateX(-4px);
}

.footer-col a:hover .fa-icon {
  opacity: 1;
  transform: translateX(0);
}

.footer-divider {
  height: 1px;
  background: var(--glass-border);
  margin-bottom: var(--spacing-xl);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  padding-bottom: var(--spacing-lg);
}

.footer-bottom p {
  color: var(--text-muted);
  font-size: var(--font-size-xs);
  margin: 0;
}

.footer-badges {
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
}

.footer-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 50px;
  font-size: 0.7rem;
  font-weight: 600;
  font-family: var(--font-family);
  background: var(--card-bg);
  color: var(--text-secondary);
  border: 1px solid var(--glass-border);
  transition: all 0.3s;
}

.footer-badge:hover {
  border-color: var(--primary-green);
  color: var(--primary-green);
}

.footer-badge .badge-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--primary-green);
}

/* Theme Toggle */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--glass-border);
  background: var(--card-bg);
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 1.1rem;
  color: var(--text-secondary);
  flex-shrink: 0;
}

.theme-toggle:hover {
  border-color: var(--primary-green);
  color: var(--primary-green);
  background: rgba(144,194,59,0.1);
  transform: rotate(20deg);
}

[data-theme="light"] .theme-icon-dark { display: none; }
[data-theme="light"] .theme-icon-light { display: inline; }
.theme-icon-light { display: none; }
.theme-icon-dark { display: inline; }

/* Light mode overrides */
[data-theme="light"] .navbar {
  background: rgba(255,255,255,0.85);
  border-bottom-color: rgba(0,0,0,0.08);
}

[data-theme="light"] .navbar.scrolled {
  background: rgba(255,255,255,0.95);
}

[data-theme="light"] .nav-menu {
  background: #fff;
}

[data-theme="light"] .nav-toggle span {
  background: var(--text-primary);
}

[data-theme="light"] .loading-screen {
  background: #f5f7fa;
}

[data-theme="light"] .modal-overlay {
  background: rgba(0,0,0,0.4);
}

[data-theme="light"] .modal-content {
  background: rgba(255,255,255,0.95);
  border-color: rgba(0,0,0,0.1);
}

/* Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  max-width: 500px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.9);
  transition: transform 0.3s ease;
}

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

/* Responsive Design */
@media (max-width: 768px) {
  :root {
    --font-size-5xl: 2.5rem;
    --font-size-4xl: 2rem;
    --font-size-3xl: 1.5rem;
  }
  
  .container {
    padding: 0 var(--spacing-md);
  }
  
  .nav-menu {
    position: fixed;
    top: 80px;
    left: 0;
    width: 100%;
    background: var(--dark-bg);
    flex-direction: column;
    gap: var(--spacing-lg);
    padding: var(--spacing-xl);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
  }
  
  .nav-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  
  .nav-toggle {
    display: flex;
  }
  
  .nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  
  .nav-toggle.active span:nth-child(2) {
    opacity: 0;
  }
  
  .nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    text-align: center;
  }
  
  .footer-col h4::after {
    left: 50%;
    transform: translateX(-50%);
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  
  .footer-top-actions {
    flex-direction: column;
    align-items: center;
  }
  
  section {
    padding: var(--spacing-2xl) 0;
  }
}

/* =============================================
   OTP Gate Overlay
   ============================================= */
.otp-gate {
  position: fixed;
  inset: 0;
  z-index: 99999;
  background: linear-gradient(135deg, #0a0f0a 0%, #111a11 50%, #0d120d 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Poppins', sans-serif;
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.otp-gate-success {
  opacity: 0;
  transform: scale(1.05);
  pointer-events: none;
}

.otp-gate-inner {
  width: 100%;
  max-width: 440px;
  padding: 20px;
}

.otp-card {
  background: rgba(255,255,255,0.04);
  -webkit-backdrop-filter: blur(30px);
  backdrop-filter: blur(30px);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 24px;
  padding: 48px 36px;
  text-align: center;
  position: relative;
  box-shadow: 0 24px 80px rgba(0,0,0,0.5);
}

.otp-logo {
  margin-bottom: 16px;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.otp-shield {
  font-size: 2.8rem;
  margin-bottom: 12px;
}

.otp-title {
  font-size: 1.6rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
  font-family: 'Poppins', sans-serif;
}

.otp-subtitle {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.55);
  line-height: 1.6;
  margin-bottom: 28px;
}

.otp-error {
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.25);
  color: #f87171;
  padding: 10px 16px;
  border-radius: 10px;
  font-size: 0.82rem;
  margin-bottom: 16px;
  text-align: center;
}

.otp-step {
  width: 100%;
}

.otp-label {
  display: block;
  text-align: left;
  font-size: 0.78rem;
  font-weight: 600;
  color: rgba(255,255,255,0.5);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 8px;
}

.otp-phone-row {
  display: flex;
  align-items: center;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 16px;
  transition: border-color 0.3s ease;
}

.otp-phone-row:focus-within {
  border-color: var(--primary-green);
  box-shadow: 0 0 0 3px rgba(144, 194, 59, 0.15);
}

.otp-prefix {
  padding: 14px 12px 14px 16px;
  color: rgba(255,255,255,0.4);
  font-weight: 600;
  font-size: 0.95rem;
  background: rgba(255,255,255,0.03);
  border-right: 1px solid rgba(255,255,255,0.08);
  white-space: nowrap;
}

.otp-phone-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  padding: 14px 16px;
  color: #fff;
  font-size: 1rem;
  font-family: 'Poppins', sans-serif;
  letter-spacing: 0.5px;
}

.otp-phone-input::placeholder {
  color: rgba(255,255,255,0.25);
}

.otp-btn {
  width: 100%;
  padding: 15px 20px;
  border-radius: 12px;
  border: none;
  font-family: 'Poppins', sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  margin-bottom: 12px;
}

.otp-btn-primary {
  background: linear-gradient(135deg, #90c23b, #7ab32e);
  color: #fff;
  box-shadow: 0 4px 20px rgba(144, 194, 59, 0.25);
}

.otp-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(144, 194, 59, 0.35);
}

.otp-btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.otp-hint {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.35);
  margin: 0;
}

.otp-sent-to {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.6);
  margin-bottom: 24px;
}

.otp-sent-to strong {
  color: #90c23b;
}

.otp-digits {
  display: flex;
  gap: 10px;
  justify-content: center;
  margin-bottom: 24px;
}

.otp-digit {
  width: 48px;
  height: 56px;
  background: rgba(255,255,255,0.06);
  border: 2px solid rgba(255,255,255,0.1);
  border-radius: 12px;
  text-align: center;
  font-size: 1.4rem;
  font-weight: 700;
  color: #fff;
  font-family: 'Poppins', sans-serif;
  outline: none;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
  -moz-appearance: textfield;
  appearance: textfield;
}

.otp-digit::-webkit-outer-spin-button,
.otp-digit::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.otp-digit:focus {
  border-color: #90c23b;
  box-shadow: 0 0 0 3px rgba(144, 194, 59, 0.2);
}

.otp-actions {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-top: 8px;
}

.otp-btn-link {
  background: none;
  border: none;
  color: rgba(255,255,255,0.45);
  font-family: 'Poppins', sans-serif;
  font-size: 0.82rem;
  cursor: pointer;
  padding: 4px 0;
  transition: color 0.3s ease;
}

.otp-btn-link:hover {
  color: #90c23b;
}

.otp-btn-link:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.otp-footer-text {
  margin-top: 28px;
  font-size: 0.72rem;
  color: rgba(255,255,255,0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.otp-footer-text strong {
  color: rgba(255,255,255,0.4);
}

@media (max-width: 500px) {
  .otp-card {
    padding: 36px 24px;
    border-radius: 20px;
  }
  .otp-digit {
    width: 42px;
    height: 50px;
    font-size: 1.2rem;
  }
  .otp-digits {
    gap: 6px;
  }
}