/* Landing Page Styles - Modern & Mobile Friendly */
:root {
    --primary-color: #2196F3;
    --secondary-color: #1976D2;
    --success-color: #4CAF50;
    --danger-color: #F44336;
    --warning-color: #FFC107;
    --info-color: #00BCD4;
    --dark-color: #212121;
    --light-color: #F5F5F5;
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-hero: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

/* General Styles */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
    overflow-x: hidden;
}

/* Header - Mobile Friendly */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    padding: 1rem 0;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--primary-color) !important;
}

.navbar-nav .nav-link {
    font-weight: 500;
    color: var(--dark-color) !important;
    margin: 0 0.5rem;
    transition: all 0.3s ease;
    position: relative;
}

.navbar-nav .nav-link:hover {
    color: var(--primary-color) !important;
}

.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

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

/* Hero Section - Modern & Mobile */
.hero {
    background: var(--gradient-hero);
    color: white;
    padding: clamp(120px, 15vh, 150px) 0 clamp(80px, 10vh, 100px) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><polygon fill="rgba(255,255,255,0.05)" points="0,1000 1000,0 1000,1000"/></svg>');
    background-size: cover;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 1rem;
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 3.5rem);
    font-weight: 800;
    margin-bottom: clamp(1rem, 3vh, 1.5rem);
    line-height: 1.2;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.hero p {
    font-size: clamp(1.1rem, 2.5vw, 1.3rem);
    margin-bottom: clamp(2rem, 5vh, 3rem);
    opacity: 0.95;
    line-height: 1.6;
}

/* Hero Features - Enhanced Modern Design */
.hero-features {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: clamp(1rem, 3vw, 1.5rem);
    max-width: 600px;
    margin: 0 auto 2rem auto;
    padding: 0 1rem;
}

.feature-item {
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50px;
    padding: clamp(0.6rem, 2vw, 0.8rem) clamp(1rem, 3vw, 1.5rem);
    font-size: clamp(0.85rem, 2vw, 1rem);
    font-weight: 500;
    gap: clamp(0.5rem, 1.5vw, 0.8rem);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.feature-item::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;
}

.feature-item:hover::before {
    left: 100%;
}

.feature-item:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    border-color: rgba(255, 255, 255, 0.4);
}

.feature-item i {
    color: #4CAF50;
    font-size: clamp(1rem, 2.5vw, 1.2rem);
    flex-shrink: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    width: clamp(28px, 4vw, 32px);
    height: clamp(28px, 4vw, 32px);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.feature-item:hover i {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1) rotate(5deg);
}

.feature-item span {
    font-weight: 600;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

/* Hero Buttons - Enhanced */
.hero-buttons {
    display: flex;
    gap: clamp(1rem, 3vw, 1.5rem);
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    margin-top: clamp(2rem, 5vh, 3rem);
}

.hero-buttons .btn {
    padding: clamp(12px, 3vw, 16px) clamp(24px, 5vw, 36px);
    font-weight: 600;
    border-radius: 50px;
    transition: all 0.3s ease;
    text-decoration: none;
    font-size: clamp(0.9rem, 2.2vw, 1rem);
    min-width: clamp(140px, 20vw, 160px);
    position: relative;
    overflow: hidden;
    border: 2px solid transparent;
}

.hero-buttons .btn::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;
}

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

.hero-buttons .btn-primary {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
    color: white;
}

.hero-buttons .btn-primary:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
}

.hero-buttons .btn-outline-light {
    border-color: rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
    color: white;
    background: transparent;
}

.hero-buttons .btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-3px);
    border-color: rgba(255, 255, 255, 0.5);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

/* Floating Stats Card - Enhanced */
.floating-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border-radius: 25px;
    padding: clamp(2rem, 5vw, 2.5rem);
    border: 1px solid rgba(255, 255, 255, 0.2);
    animation: float 6s ease-in-out infinite;
    margin-top: clamp(2rem, 5vh, 3rem);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    position: relative;
    overflow: hidden;
}

.floating-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
}

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

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(1deg); }
}

.card-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: clamp(1.5rem, 4vw, 2rem);
    position: relative;
    z-index: 2;
}

.stat-item {
    text-align: center;
    position: relative;
    padding: 1rem;
    border-radius: 15px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.stat-item:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.stat-number {
    font-size: clamp(2rem, 5vw, 2.5rem);
    font-weight: 800;
    color: #fff;
    margin-bottom: 0.5rem;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.stat-label {
    font-size: clamp(0.8rem, 2vw, 0.9rem);
    opacity: 0.9;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

/* About Section - Modern & Complete (Without Image) */
.about-section {
    padding: clamp(80px, 12vh, 100px) 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    position: relative;
    overflow: hidden;
}

.about-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="rgba(0,0,0,0.02)"/><circle cx="75" cy="75" r="1" fill="rgba(0,0,0,0.02)"/><circle cx="50" cy="10" r="0.5" fill="rgba(0,0,0,0.02)"/><circle cx="10" cy="60" r="0.5" fill="rgba(0,0,0,0.02)"/><circle cx="90" cy="40" r="0.5" fill="rgba(0,0,0,0.02)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.5;
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: clamp(2rem, 5vh, 3rem);
    color: var(--dark-color);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.about-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 2;
}

.about-content .lead {
    font-size: clamp(1.1rem, 2.5vw, 1.3rem);
    line-height: 1.8;
    color: #555;
    margin-bottom: clamp(3rem, 6vh, 4rem);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* About Features Grid - Enhanced Modern Design with Bullet Points */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: clamp(2rem, 4vw, 3rem);
    margin-top: 2rem;
}

.features-grid .feature-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: clamp(2rem, 4vw, 3rem);
    background: white;
    border-radius: 25px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.08);
    transition: all 0.4s ease;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
    min-height: 280px;
}

.features-grid .feature-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(33, 150, 243, 0.05), transparent);
    transition: left 0.6s ease;
}

.features-grid .feature-item:hover::before {
    left: 100%;
}

.features-grid .feature-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
    border-color: var(--primary-color);
}

.features-grid .feature-item i {
    color: var(--primary-color);
    font-size: clamp(2.5rem, 5vw, 3rem);
    margin-bottom: clamp(1.5rem, 3vh, 2rem);
    background: linear-gradient(135deg, rgba(33, 150, 243, 0.1) 0%, rgba(25, 118, 210, 0.1) 100%);
    border-radius: 50%;
    width: clamp(80px, 12vw, 100px);
    height: clamp(80px, 12vw, 100px);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.4s ease;
    box-shadow: 0 10px 25px rgba(33, 150, 243, 0.2);
}

.features-grid .feature-item:hover i {
    background: linear-gradient(135deg, rgba(33, 150, 243, 0.2) 0%, rgba(25, 118, 210, 0.2) 100%);
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 15px 35px rgba(33, 150, 243, 0.3);
}

.features-grid .feature-item div {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    width: 100%;
}

.features-grid .feature-item h5 {
    font-size: clamp(1.3rem, 3vw, 1.5rem);
    font-weight: 700;
    margin-bottom: clamp(1rem, 2vh, 1.5rem);
    color: var(--dark-color);
    position: relative;
}

.features-grid .feature-item h5::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 2px;
    transition: width 0.3s ease;
}

.features-grid .feature-item:hover h5::after {
    width: 60px;
}

.features-grid .feature-item p {
    font-size: clamp(0.95rem, 2.2vw, 1.05rem);
    line-height: 1.7;
    color: #666;
    margin: 0;
    text-align: left;
}

/* Enhanced Bullet Points Design */
.features-grid .feature-item p {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.features-grid .feature-item p br {
    display: none;
}

.features-grid .feature-item p::before {
    content: '';
    display: none;
}

/* Custom bullet points for each line */
.features-grid .feature-item p {
    position: relative;
}

.features-grid .feature-item p br + *,
.features-grid .feature-item p > * {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
}

.features-grid .feature-item p br + *::before,
.features-grid .feature-item p > *::before {
    content: '•';
    position: absolute;
    left: 0;
    top: 0;
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.2em;
}

/* Alternative: Using CSS to create structured bullet points */
.features-grid .feature-item .bullet-points {
    list-style: none;
    padding: 0;
    margin: 0;
    text-align: left;
}

.features-grid .feature-item .bullet-points li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
    font-size: clamp(0.9rem, 2vw, 1rem);
    line-height: 1.6;
    color: #666;
}

.features-grid .feature-item .bullet-points li::before {
    content: '▶';
    position: absolute;
    left: 0;
    top: 0;
    color: var(--primary-color);
    font-size: 0.8em;
    transform: rotate(90deg);
}

.features-grid .feature-item .bullet-points li:last-child {
    margin-bottom: 0;
}

/* Enhanced bullet points with icons */
.features-grid .feature-item .enhanced-points {
    list-style: none;
    padding: 0;
    margin: 0;
    text-align: left;
}

.features-grid .feature-item .enhanced-points li {
    position: relative;
    padding: 0.5rem 0 0.5rem 2rem;
    margin-bottom: 0.3rem;
    font-size: clamp(0.9rem, 2vw, 1rem);
    line-height: 1.6;
    color: #666;
    background: rgba(33, 150, 243, 0.03);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.features-grid .feature-item .enhanced-points li:hover {
    background: rgba(33, 150, 243, 0.08);
    transform: translateX(5px);
}

.features-grid .feature-item .enhanced-points li::before {
    content: '✓';
    position: absolute;
    left: 0.5rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--success-color);
    font-weight: bold;
    font-size: 0.9em;
    background: rgba(76, 175, 80, 0.1);
    border-radius: 50%;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.features-grid .feature-item .enhanced-points li:last-child {
    margin-bottom: 0;
}

/* Legacy Features List (for backward compatibility) */
.features-list {
    margin-top: 2rem;
}

.features-list .feature-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: clamp(1.5rem, 4vh, 2rem);
    padding: clamp(1.2rem, 3vw, 1.5rem);
    background: white;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.4s ease;
    border-left: 5px solid var(--primary-color);
    position: relative;
    overflow: hidden;
}

.features-list .feature-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(33, 150, 243, 0.05), transparent);
    transition: left 0.6s ease;
}

.features-list .feature-item:hover::before {
    left: 100%;
}

.features-list .feature-item:hover {
    transform: translateX(10px) translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    border-left-color: var(--secondary-color);
}

.features-list .feature-item i {
    color: var(--primary-color);
    font-size: clamp(1.5rem, 3vw, 1.8rem);
    margin-right: clamp(1rem, 2.5vw, 1.5rem);
    flex-shrink: 0;
    background: linear-gradient(135deg, rgba(33, 150, 243, 0.1) 0%, rgba(25, 118, 210, 0.1) 100%);
    border-radius: 50%;
    width: clamp(50px, 8vw, 60px);
    height: clamp(50px, 8vw, 60px);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.4s ease;
    box-shadow: 0 5px 15px rgba(33, 150, 243, 0.2);
}

.features-list .feature-item:hover i {
    background: linear-gradient(135deg, rgba(33, 150, 243, 0.2) 0%, rgba(25, 118, 210, 0.2) 100%);
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 8px 25px rgba(33, 150, 243, 0.3);
}

.features-list .feature-item div {
    flex: 1;
}

.features-list .feature-item h5 {
    font-size: clamp(1.1rem, 2.5vw, 1.3rem);
    font-weight: 700;
    margin-bottom: clamp(0.5rem, 1.5vh, 0.8rem);
    color: var(--dark-color);
    position: relative;
}

.features-list .feature-item h5::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--gradient-primary);
    border-radius: 1px;
    transition: width 0.3s ease;
}

.features-list .feature-item:hover h5::after {
    width: 50px;
}

.features-list .feature-item p {
    font-size: clamp(0.9rem, 2vw, 1rem);
    line-height: 1.7;
    color: #666;
    margin: 0;
    text-align: left;
}

.features-list .feature-item p br {
    margin-bottom: 0.3rem;
}

.about-features {
    list-style: none;
    padding: 0;
    margin-top: 2rem;
}

.about-features li {
    display: flex;
    align-items: center;
    margin-bottom: clamp(1rem, 3vh, 1.5rem);
    font-size: clamp(1rem, 2.2vw, 1.1rem);
    padding: clamp(0.8rem, 2vh, 1rem);
    background: white;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border-left: 4px solid var(--success-color);
}

.about-features li:hover {
    transform: translateX(10px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.about-features li i {
    color: var(--success-color);
    margin-right: 15px;
    font-size: 1.3rem;
    flex-shrink: 0;
    background: rgba(76, 175, 80, 0.1);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.about-image {
    text-align: center;
    position: relative;
}

.about-image::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    right: -20px;
    bottom: -20px;
    background: var(--gradient-primary);
    border-radius: 25px;
    z-index: -1;
    opacity: 0.1;
}

.about-image img {
    max-width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
    transition: all 0.4s ease;
    position: relative;
    z-index: 2;
}

.about-image img:hover {
    transform: scale(1.05) rotate(2deg);
    box-shadow: 0 35px 70px rgba(0, 0, 0, 0.2);
}

/* Timeline Section - Enhanced Modern */
.timeline-section {
    padding: clamp(80px, 12vh, 100px) 0;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    position: relative;
}

.timeline-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="dots" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1" fill="rgba(0,0,0,0.03)"/></pattern></defs><rect width="100" height="100" fill="url(%23dots)"/></svg>');
    opacity: 0.3;
}

.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    padding: 0 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    width: 6px;
    background: var(--gradient-primary);
    top: 0;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 3px;
    box-shadow: 0 0 20px rgba(102, 126, 234, 0.3);
}

.timeline-item {
    margin-bottom: 4rem;
    position: relative;
}

.timeline-item:nth-child(odd) .timeline-content {
    margin-left: 0;
    margin-right: 50%;
    padding-right: 3rem;
    text-align: right;
}

.timeline-item:nth-child(even) .timeline-content {
    margin-left: 50%;
    margin-right: 0;
    padding-left: 3rem;
    text-align: left;
}

.timeline-icon {
    position: absolute;
    left: 50%;
    top: 0;
    transform: translateX(-50%);
    width: 70px;
    height: 70px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.8rem;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
    z-index: 2;
    border: 4px solid white;
    transition: all 0.3s ease;
}

.timeline-icon:hover {
    transform: translateX(-50%) scale(1.1);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.timeline-content {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    position: relative;
    transition: all 0.4s ease;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.timeline-content::before {
    content: '';
    position: absolute;
    top: 50%;
    width: 0;
    height: 0;
    border: 15px solid transparent;
}

.timeline-item:nth-child(odd) .timeline-content::before {
    right: -30px;
    border-left-color: white;
    transform: translateY(-50%);
}

.timeline-item:nth-child(even) .timeline-content::before {
    left: -30px;
    border-right-color: white;
    transform: translateY(-50%);
}

.timeline-content:hover {
    transform: translateY(-8px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
}

.timeline-content h4 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--primary-color);
    position: relative;
}

.timeline-content h4::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.timeline-content p {
    color: #666;
    line-height: 1.7;
    margin: 0;
    font-size: 1.1rem;
}

/* Form Styles - Enhanced Modern */
.form-container {
    background: white;
    padding: clamp(2rem, 5vw, 3rem);
    border-radius: 25px;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
}

.form-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: var(--gradient-primary);
}

/* Section Subheader Styles */
.section-subheader {
    border-left: 4px solid var(--primary-color);
    padding-left: 1rem;
    margin-bottom: 1.5rem;
}

.section-subheader h6 {
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.section-subheader p {
    margin-bottom: 0;
    line-height: 1.4;
}

/* Pendaftaran Option Styles - Simple & Clean */
.pendaftaran-option {
    margin-bottom: 1.5rem;
}

.pendaftaran-option .btn-check:checked + .btn {
    transform: scale(1.02);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
    border-width: 2px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.pendaftaran-option .btn {
    transition: all 0.3s ease;
    border: 2px solid #e0e0e0;
    background: white;
    text-align: center;
    position: relative;
    padding: 1.5rem;
    min-height: 100px;
    display: flex;
    align-items: center;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}

/* Inden Card - Simple & Compact */
.pendaftaran-option .inden-card {
    min-height: 80px;
    padding: 1rem;
}

.pendaftaran-option .inden-card .card-content {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
}

.pendaftaran-option .inden-card i {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.pendaftaran-option .inden-card strong {
    font-size: 1rem;
    font-weight: 600;
    color: var(--dark-color);
    margin: 0;
}

.pendaftaran-option .inden-card small {
    font-size: 0.85rem;
    color: #666;
    margin-left: auto;
}

/* Reguler Card - Standard */
.pendaftaran-option .reguler-card .card-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    width: 100%;
}

.pendaftaran-option .reguler-card i {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.pendaftaran-option .reguler-card strong {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--dark-color);
    margin: 0;
}

.pendaftaran-option .reguler-card small {
    font-size: 0.9rem;
    color: #666;
    margin: 0;
}

.pendaftaran-option .reguler-card .periode-info {
    font-size: 0.8rem;
    color: #888;
    background: #f8f9fa;
    padding: 0.25rem 0.5rem;
    border-radius: 6px;
    margin-top: 0.25rem;
}

.pendaftaran-option .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
    border-color: var(--primary-color);
}

/* Hover effects for different card types */
.pendaftaran-option .inden-card:hover {
    background: #fff8e1;
    border-color: #ffc107;
}

.pendaftaran-option .inden-card.btn-outline-warning:hover {
    background: #ffc107;
    border-color: #ffc107;
    color: white;
}

.pendaftaran-option .reguler-card:hover {
    background: #f8f9fa;
    border-color: #28a745;
}

.pendaftaran-option .reguler-card.btn-outline-success:hover {
    background: #28a745;
    border-color: #28a745;
    color: white;
}

/* Unit Option Styles - Enhanced */
.unit-option {
    margin-bottom: 2rem;
}

.unit-option .btn-check:checked + .btn {
    transform: scale(1.02);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
    border-width: 3px;
    background: linear-gradient(135deg, #4CAF50 0%, #45a049 100%);
    color: white;
}

.unit-option .btn {
    transition: all 0.4s ease;
    border: 2px solid #e0e0e0;
    background: white;
    text-align: center;
    position: relative;
    overflow: hidden;
    padding: clamp(1.5rem, 4vw, 2rem);
    min-height: clamp(100px, 20vh, 120px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    border-radius: 20px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
}

.unit-option .btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(76, 175, 80, 0.1), transparent);
    transition: left 0.6s ease;
}

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

.unit-option .btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.12);
    border-color: var(--success-color);
}

.unit-option .btn i {
    font-size: clamp(2rem, 5vw, 2.5rem);
    margin-bottom: clamp(0.8rem, 2vh, 1rem);
    color: var(--success-color);
    transition: all 0.3s ease;
}

.unit-option .btn:hover i {
    transform: scale(1.1) rotate(5deg);
}

.unit-option .btn strong {
    font-size: clamp(1.1rem, 2.5vw, 1.3rem);
    font-weight: 700;
    margin-bottom: clamp(0.5rem, 1.5vh, 0.8rem);
    color: var(--dark-color);
}

.unit-option .btn small {
    font-size: clamp(0.8rem, 2vw, 0.9rem);
    color: #666;
    font-weight: 500;
}

/* Form Controls - Enhanced */
.form-control {
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    padding: clamp(0.8rem, 2vw, 1rem);
    font-size: clamp(0.9rem, 2vw, 1rem);
    transition: all 0.3s ease;
    background: #f8f9fa;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(33, 150, 243, 0.25);
    background: white;
}

.form-label {
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
    font-size: clamp(0.9rem, 2vw, 1rem);
}

.btn-submit {
    background: var(--gradient-primary);
    border: none;
    color: white;
    padding: clamp(0.8rem, 2vw, 1rem) clamp(2rem, 5vw, 3rem);
    border-radius: 50px;
    font-weight: 600;
    font-size: clamp(0.9rem, 2.2vw, 1rem);
    transition: all 0.3s ease;
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
    position: relative;
    overflow: hidden;
}

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

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 35px rgba(102, 126, 234, 0.4);
}

/* Footer - Enhanced Modern */
.footer {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    color: white;
    padding: clamp(3rem, 8vh, 4rem) 0 clamp(1.5rem, 4vh, 2rem) 0;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="footer-pattern" width="50" height="50" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="rgba(255,255,255,0.05)"/></pattern></defs><rect width="100" height="100" fill="url(%23footer-pattern)"/></svg>');
    opacity: 0.3;
}

.footer-content {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.footer-section {
    margin-bottom: clamp(2rem, 5vh, 3rem);
}

.footer-section h5 {
    font-size: clamp(1.2rem, 3vw, 1.5rem);
    font-weight: 700;
    margin-bottom: clamp(1rem, 3vh, 1.5rem);
    color: #ecf0f1;
    position: relative;
}

.footer-section h5::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 2px;
}

.footer-section p,
.footer-section li {
    font-size: clamp(0.9rem, 2vw, 1rem);
    line-height: 1.7;
    color: #bdc3c7;
    margin-bottom: 0.5rem;
}

.footer-section ul {
    list-style: none;
    padding: 0;
}

.footer-section li {
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.footer-section li:hover {
    color: var(--primary-color);
    transform: translateX(5px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: clamp(1.5rem, 4vh, 2rem);
    text-align: center;
    position: relative;
    z-index: 2;
}

.footer-bottom p {
    color: #95a5a6;
    font-size: clamp(0.8rem, 2vw, 0.9rem);
    margin: 0;
}

/* Mobile Responsive - Enhanced */
@media (max-width: 768px) {
    .navbar {
        padding: 0.8rem 0;
        background: rgba(255, 255, 255, 0.95) !important;
    }
    
    .navbar-brand {
        font-size: 1.3rem;
        color: var(--primary-color) !important;
    }
    
    .navbar-nav .nav-link {
        color: var(--dark-color) !important;
        font-weight: 600;
        padding: 0.5rem 1rem;
        border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    }
    
    .navbar-nav .nav-link:hover {
        color: var(--primary-color) !important;
        background: rgba(33, 150, 243, 0.1);
    }
    
    .navbar-toggler {
        border: 2px solid var(--primary-color);
        color: var(--primary-color);
    }
    
    .navbar-toggler:focus {
        box-shadow: 0 0 0 0.2rem rgba(33, 150, 243, 0.25);
    }
    
    .navbar-collapse {
        background: white;
        border-radius: 10px;
        margin-top: 1rem;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    }
    
    .hero {
        padding: clamp(100px, 15vh, 120px) 0 clamp(60px, 10vh, 80px) 0;
    }
    
    .hero h1 {
        font-size: clamp(2rem, 6vw, 2.5rem);
    }
    
    .hero p {
        font-size: clamp(1rem, 2.5vw, 1.1rem);
    }
    
    .hero-features {
        flex-direction: column;
        gap: 1rem;
        align-items: stretch;
    }
    
    .feature-item {
        justify-content: flex-start;
        text-align: left;
        padding: 1rem 1.5rem;
        border-radius: 15px;
    }
    
    .feature-item i {
        width: 35px;
        height: 35px;
        font-size: 1.1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 1rem;
    }
    
    .hero-buttons .btn {
        width: 100%;
        max-width: 280px;
    }
    
    /* About Section Mobile */
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
        padding: 0 1rem;
    }
    
    .about-features li {
        justify-content: flex-start;
        text-align: left;
        padding: 1rem;
    }
    
    .about-features li i {
        width: 35px;
        height: 35px;
        font-size: 1.1rem;
    }
    
    /* Timeline Mobile */
    .timeline::before {
        left: 30px;
    }
    
    .timeline-item:nth-child(odd) .timeline-content,
    .timeline-item:nth-child(even) .timeline-content {
        margin-left: 70px;
        margin-right: 0;
        padding-left: 2rem;
        padding-right: 0;
        text-align: left;
    }
    
    .timeline-icon {
        left: 30px;
        transform: translateX(-50%);
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .timeline-content::before {
        display: none;
    }
    
    /* Form Mobile */
    .pendaftaran-option .btn,
    .unit-option .btn {
        padding: 1.5rem;
        min-height: 120px;
    }
    
    .pendaftaran-option .btn i,
    .unit-option .btn i {
        font-size: 2rem;
        margin-bottom: 0.8rem;
    }
    
    .pendaftaran-option .btn strong,
    .unit-option .btn strong {
        font-size: 1.1rem;
        margin-bottom: 0.5rem;
    }
    
    .pendaftaran-option .btn .tahun-ajaran,
    .pendaftaran-option .btn .periode,
    .unit-option .btn small {
        font-size: 0.85rem;
    }
    
    .pendaftaran-option .btn .biaya {
        font-size: 0.9rem;
        padding: 0.5rem 1rem;
    }
    
    /* Stats Mobile */
    .card-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .stat-number {
        font-size: 1.8rem;
    }
    
    .stat-label {
        font-size: 0.75rem;
    }
    
    .floating-card {
        margin: 1rem;
        padding: 1.5rem;
    }
    
    /* Footer Mobile */
    .footer-content {
        padding: 0 1rem;
    }
    
    .footer-section {
        text-align: center;
        margin-bottom: 2rem;
    }
    
    .footer-section h5::after {
        left: 50%;
        transform: translateX(-50%);
    }
}

/* Animation Classes */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Loading Animation */
.loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: white;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Mobile Responsive for Section Subheader */
@media (max-width: 768px) {
    .section-subheader {
        padding-left: 0.75rem;
        margin-bottom: 1rem;
    }
    
    .section-subheader h6 {
        font-size: 0.95rem;
        margin-bottom: 0.3rem;
    }
    
    .section-subheader p {
        font-size: 0.8rem;
    }
}

@media (max-width: 480px) {
    .section-subheader {
        padding-left: 0.5rem;
        margin-bottom: 0.75rem;
    }
    
    .section-subheader h6 {
        font-size: 0.9rem;
        margin-bottom: 0.25rem;
    }
    
    .section-subheader p {
        font-size: 0.75rem;
    }
}

/* Mobile Responsive for Pendaftaran Cards */
@media (max-width: 768px) {
    .pendaftaran-option .btn {
        padding: 1rem;
        min-height: 80px;
    }
    
    .pendaftaran-option .inden-card {
        min-height: 70px;
        padding: 0.75rem;
    }
    
    .pendaftaran-option .inden-card .card-content {
        gap: 0.5rem;
    }
    
    .pendaftaran-option .inden-card i {
        font-size: 1.2rem;
    }
    
    .pendaftaran-option .inden-card strong {
        font-size: 0.9rem;
    }
    
    .pendaftaran-option .inden-card small {
        font-size: 0.75rem;
    }
    
    .pendaftaran-option .reguler-card .card-content {
        gap: 0.4rem;
    }
    
    .pendaftaran-option .reguler-card i {
        font-size: 1.5rem;
        margin-bottom: 0.3rem;
    }
    
    .pendaftaran-option .reguler-card strong {
        font-size: 1rem;
    }
    
    .pendaftaran-option .reguler-card small {
        font-size: 0.8rem;
    }
    
    .pendaftaran-option .reguler-card .periode-info {
        font-size: 0.7rem;
        padding: 0.2rem 0.4rem;
    }
}

@media (max-width: 480px) {
    .pendaftaran-option .btn {
        padding: 0.75rem;
        min-height: 70px;
    }
    
    .pendaftaran-option .inden-card {
        min-height: 60px;
        padding: 0.5rem;
    }
    
    .pendaftaran-option .inden-card .card-content {
        gap: 0.4rem;
    }
    
    .pendaftaran-option .inden-card i {
        font-size: 1.1rem;
    }
    
    .pendaftaran-option .inden-card strong {
        font-size: 0.85rem;
    }
    
    .pendaftaran-option .inden-card small {
        font-size: 0.7rem;
    }
    
    .pendaftaran-option .reguler-card i {
        font-size: 1.3rem;
        margin-bottom: 0.2rem;
    }
    
    .pendaftaran-option .reguler-card strong {
        font-size: 0.9rem;
    }
    
    .pendaftaran-option .reguler-card small {
        font-size: 0.75rem;
    }
    
    .pendaftaran-option .reguler-card .periode-info {
        font-size: 0.65rem;
        padding: 0.15rem 0.3rem;
    }
}

/* Mobile Responsive for About Features */
@media (max-width: 768px) {
    .about-content {
        padding: 0 1rem;
    }
    
    .about-content .lead {
        font-size: 1.1rem;
        margin-bottom: 2rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .features-grid .feature-item {
        padding: 2rem 1.5rem;
        min-height: auto;
    }
    
    .features-grid .feature-item i {
        width: 70px;
        height: 70px;
        font-size: 2rem;
        margin-bottom: 1.5rem;
    }
    
    .features-grid .feature-item h5 {
        font-size: 1.2rem;
        margin-bottom: 1rem;
    }
    
    .features-grid .feature-item p {
        font-size: 0.95rem;
    }
    
    .features-grid .feature-item .enhanced-points li {
        font-size: 0.9rem;
        padding: 0.4rem 0 0.4rem 1.8rem;
    }
    
    .features-grid .feature-item .enhanced-points li::before {
        width: 18px;
        height: 18px;
        font-size: 0.8em;
        left: 0.4rem;
    }
}

@media (max-width: 480px) {
    .features-grid .feature-item {
        padding: 1.5rem 1rem;
    }
    
    .features-grid .feature-item i {
        width: 60px;
        height: 60px;
        font-size: 1.8rem;
        margin-bottom: 1rem;
    }
    
    .features-grid .feature-item h5 {
        font-size: 1.1rem;
        margin-bottom: 0.8rem;
    }
    
    .features-grid .feature-item p {
        font-size: 0.9rem;
    }
    
    .features-grid .feature-item .enhanced-points li {
        font-size: 0.85rem;
        padding: 0.3rem 0 0.3rem 1.6rem;
    }
    
    .features-grid .feature-item .enhanced-points li::before {
        width: 16px;
        height: 16px;
        font-size: 0.7em;
        left: 0.3rem;
    }
}

/* WhatsApp Floating Button */
.whatsapp-float {
    position: fixed !important;
    bottom: 20px !important;
    right: 20px !important;
    width: 60px;
    height: 60px;
    background: #25D366;
    color: white;
    border-radius: 50%;
    text-align: center;
    font-size: 30px;
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all 0.3s ease;
    animation: whatsapp-pulse 2s infinite;
    opacity: 1;
}

/* WhatsApp Tooltip */
.whatsapp-float::before {
    content: 'Hubungi Helpdesk';
    position: absolute;
    right: 70px;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 14px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    pointer-events: none;
    z-index: 1001;
}

.whatsapp-float::after {
    content: '';
    position: absolute;
    right: 65px;
    top: 50%;
    transform: translateY(-50%);
    border: 5px solid transparent;
    border-left-color: rgba(0, 0, 0, 0.8);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    pointer-events: none;
    z-index: 1001;
}

.whatsapp-float:hover::before,
.whatsapp-float:hover::after {
    opacity: 1;
    visibility: visible;
}

.whatsapp-float:hover {
    background: #128C7E;
    color: white;
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.6);
}

.whatsapp-float:active {
    transform: scale(0.95);
}

@keyframes whatsapp-pulse {
    0% {
        box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
    }
    50% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.8);
    }
    100% {
        box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
    }
}

/* Mobile responsive for WhatsApp button */
@media (max-width: 768px) {
    .whatsapp-float {
        width: 55px;
        height: 55px;
        font-size: 28px;
        bottom: 15px;
        right: 15px;
    }
    
    .whatsapp-float::before {
        right: 65px;
        font-size: 12px;
        padding: 6px 10px;
    }
    
    .whatsapp-float::after {
        right: 60px;
    }
}

@media (max-width: 480px) {
    .whatsapp-float {
        width: 50px;
        height: 50px;
        font-size: 25px;
        bottom: 10px;
        right: 10px;
    }
    
    .whatsapp-float::before {
        right: 60px;
        font-size: 11px;
        padding: 5px 8px;
    }
    
    .whatsapp-float::after {
        right: 55px;
    }
}

/* Hide tooltip on very small screens */
@media (max-width: 360px) {
    .whatsapp-float::before,
    .whatsapp-float::after {
        display: none;
    }
}