/* ===================================
   CSS Variables & Base Styles
   =================================== */
:root {
    /* Colors - PW.live inspired */
    --primary-blue: #2563eb;
    --primary-blue-dark: #1e40af;
    --secondary-yellow: #fbbf24;
    --secondary-yellow-dark: #f59e0b;
    --white: #ffffff;
    --light-gray: #f3f4f6;
    --medium-gray: #e5e7eb;
    --dark-text: #1f2937;
    --light-text: #6b7280;
    --success-green: #10b981;
    --warning-red: #ef4444;
    
    /* Typography */
    --font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-base: 16px;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: var(--font-size-base);
}

body {
    font-family: var(--font-family);
    color: var(--dark-text);
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

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

/* ===================================
   Layout & Container
   =================================== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

section {
    padding: var(--spacing-2xl) 0;
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-blue-dark);
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--light-text);
    font-weight: 400;
}

/* ===================================
   Navigation Bar
   =================================== */
.navbar {
    background: var(--white);
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: var(--spacing-sm) 0;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
}

.logo-text h2 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-blue-dark);
    line-height: 1.2;
}

.logo-text p {
    font-size: 0.75rem;
    color: var(--light-text);
}

.nav-links {
    display: flex;
    gap: var(--spacing-lg);
}

.nav-links a {
    font-weight: 500;
    color: var(--dark-text);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
}

.nav-links a:hover {
    color: var(--primary-blue);
    background: var(--light-gray);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: transparent;
    padding: var(--spacing-xs);
}

.mobile-menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--dark-text);
    border-radius: 2px;
    transition: var(--transition-base);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-dark) 100%);
    color: var(--white);
    padding: var(--spacing-2xl) 0;
    position: relative;
    overflow: hidden;
}

.hero-overlay {
    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 1200 600"><path d="M0,300 Q300,100 600,300 T1200,300 L1200,600 L0,600 Z" fill="rgba(255,255,255,0.05)"/></svg>') no-repeat bottom;
    background-size: cover;
}

.hero-content {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.hero-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--secondary-yellow);
    margin-bottom: var(--spacing-md);
}

.hero-description {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.95;
}

.hero-highlights {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: rgba(255, 255, 255, 0.1);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
}

.highlight-icon {
    font-size: 1.5rem;
}

.cta-button {
    background: var(--secondary-yellow);
    color: var(--dark-text);
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-lg);
    font-size: 1.125rem;
    font-weight: 600;
    transition: var(--transition-base);
    box-shadow: var(--shadow-lg);
}

.cta-button:hover {
    background: var(--secondary-yellow-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 600px;
    height: 600px;
}

/* Numbers Animation Styles */
.numbers-animation {
    width: 600px;
    height: 600px;
    position: relative;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    animation: float 3s ease-in-out infinite;
}

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

.calculation-display {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 2rem;
    z-index: 2;
}

.calc-line {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    font-size: 2.5rem;
    font-weight: 700;
    opacity: 0;
    animation: fadeInCalc 0.8s ease forwards;
}

.calc-line-1 {
    animation-delay: 0.2s;
}

.calc-line-2 {
    animation-delay: 0.6s;
}

.calc-line-3 {
    animation-delay: 1s;
}

.calc-line-4 {
    animation-delay: 1.4s;
}

@keyframes fadeInCalc {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.number {
    color: var(--secondary-yellow);
    text-shadow: 0 2px 8px rgba(251, 191, 36, 0.4);
    animation: pulse 2s ease-in-out infinite;
    transition: transform 0.3s ease, opacity 0.3s ease;
    display: inline-block;
    min-width: 60px;
    text-align: center;
}

.operator {
    color: var(--white);
    font-size: 2rem;
    opacity: 0.9;
    transition: transform 0.3s ease, opacity 0.3s ease;
    display: inline-block;
}

.equals {
    color: var(--white);
    font-size: 2rem;
    opacity: 0.9;
    transition: transform 0.3s ease, opacity 0.3s ease;
    display: inline-block;
}

.result {
    color: var(--secondary-yellow);
    text-shadow: 0 2px 8px rgba(251, 191, 36, 0.4);
    font-size: 3rem;
    animation: resultGlow 2s ease-in-out infinite;
    transition: transform 0.3s ease, opacity 0.3s ease;
    display: inline-block;
    min-width: 80px;
    text-align: center;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

@keyframes resultGlow {
    0%, 100% { 
        transform: scale(1);
        text-shadow: 0 2px 8px rgba(251, 191, 36, 0.4);
    }
    50% { 
        transform: scale(1.15);
        text-shadow: 0 4px 16px rgba(251, 191, 36, 0.8);
    }
}

.floating-numbers {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}

.float-num {
    position: absolute;
    font-size: 3rem;
    font-weight: 800;
    color: rgba(255, 255, 255, 0.15);
    animation: floatNumber 8s ease-in-out infinite;
}

.float-num-1 {
    top: 10%;
    left: 15%;
    animation-delay: 0s;
}

.float-num-2 {
    top: 20%;
    right: 20%;
    animation-delay: 1s;
}

.float-num-3 {
    top: 40%;
    left: 10%;
    animation-delay: 2s;
}

.float-num-4 {
    top: 60%;
    right: 15%;
    animation-delay: 3s;
}

.float-num-5 {
    bottom: 20%;
    left: 25%;
    animation-delay: 4s;
}

.float-num-6 {
    bottom: 15%;
    right: 25%;
    animation-delay: 5s;
}

.float-num-7 {
    top: 30%;
    left: 50%;
    animation-delay: 6s;
}

.float-num-8 {
    bottom: 30%;
    right: 10%;
    animation-delay: 7s;
}

@keyframes floatNumber {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg) scale(1);
        opacity: 0.15;
    }
    25% {
        transform: translate(30px, -30px) rotate(90deg) scale(1.2);
        opacity: 0.25;
    }
    50% {
        transform: translate(-20px, 20px) rotate(180deg) scale(0.9);
        opacity: 0.1;
    }
    75% {
        transform: translate(20px, 30px) rotate(270deg) scale(1.1);
        opacity: 0.2;
    }
}

/* ===================================
   About Section
   =================================== */
.about {
    background: var(--white);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
    margin-bottom: var(--spacing-xl);
}

.about-text h3 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-blue-dark);
    margin-bottom: var(--spacing-md);
}

.about-text p {
    font-size: 1.125rem;
    color: var(--light-text);
    margin-bottom: var(--spacing-md);
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.stat-item {
    text-align: center;
    padding: var(--spacing-md);
    background: var(--light-gray);
    border-radius: var(--radius-lg);
    transition: var(--transition-base);
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.stat-item h4 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-xs);
    min-width: 80px;
    display: inline-block;
    text-align: center;
    font-variant-numeric: tabular-nums;
}

.stat-item p {
    font-size: 0.875rem;
    color: var(--light-text);
}

.about-image img {
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.why-choose {
    margin-top: var(--spacing-2xl);
}

.why-choose h3 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-blue-dark);
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
}

.feature-card {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--white);
    border: 2px solid var(--medium-gray);
    border-radius: var(--radius-lg);
    transition: var(--transition-base);
}

.feature-card:hover {
    border-color: var(--primary-blue);
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.feature-card h4 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--dark-text);
    margin-bottom: var(--spacing-sm);
}

.feature-card p {
    font-size: 0.875rem;
    color: var(--light-text);
}

/* ===================================
   Courses Section
   =================================== */
.courses {
    background: var(--light-gray);
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.course-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

.course-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.course-image {
    height: 200px;
    overflow: hidden;
    position: relative;
}

.course-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.course-card:hover .course-image img {
    transform: scale(1.1);
}

.course-content {
    padding: var(--spacing-lg);
}

.course-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.course-content h3 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary-blue-dark);
    margin-bottom: var(--spacing-sm);
}

.course-description {
    font-size: 1rem;
    color: var(--light-text);
    margin-bottom: var(--spacing-md);
}

.course-benefits h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--dark-text);
    margin-bottom: var(--spacing-sm);
}

.course-benefits ul li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
    font-size: 0.95rem;
    color: var(--dark-text);
}

.check-icon {
    color: var(--success-green);
    font-weight: 700;
}

.course-meta {
    display: flex;
    justify-content: space-between;
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--medium-gray);
}

.age-group,
.duration {
    font-size: 0.875rem;
    color: var(--light-text);
    font-weight: 500;
}

/* ===================================
   Benefits Section
   =================================== */
.benefits {
    background: var(--white);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.benefit-card {
    background: var(--light-gray);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: var(--transition-base);
}

.benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.benefit-icon {
    height: 200px;
    overflow: hidden;
}

.benefit-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.benefit-content {
    padding: var(--spacing-lg);
}

.benefit-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-blue-dark);
    margin-bottom: var(--spacing-sm);
}

.benefit-content p {
    font-size: 1rem;
    color: var(--light-text);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.benefit-impact {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.impact-badge {
    background: var(--primary-blue);
    color: var(--white);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    font-weight: 600;
}

/* ===================================
   Missing Out Section
   =================================== */
.missing-out {
    background: linear-gradient(135deg, #fef3c7 0%, #fed7aa 100%);
    padding: var(--spacing-2xl) 0;
}

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

.comparison-side {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-lg);
}

.comparison-side h3 {
    font-size: 1.75rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.with-courses h3 {
    color: var(--success-green);
}

.without-courses h3 {
    color: var(--warning-red);
}

.comparison-image {
    height: 200px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: var(--spacing-md);
}

.comparison-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.comparison-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    font-size: 1rem;
    line-height: 1.6;
}

.check-icon.success {
    color: var(--success-green);
    font-size: 1.25rem;
    font-weight: 700;
}

.check-icon.warning {
    color: var(--warning-red);
    font-size: 1.25rem;
    font-weight: 700;
}

.missing-callout {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-xl);
    text-align: center;
}

.callout-content h3 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--warning-red);
    margin-bottom: var(--spacing-md);
}

.callout-content > p {
    font-size: 1.125rem;
    color: var(--light-text);
    margin-bottom: var(--spacing-lg);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.urgency-points {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.urgency-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.urgency-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.urgency-item h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--dark-text);
    margin-bottom: var(--spacing-xs);
}

.urgency-item p {
    font-size: 0.875rem;
    color: var(--light-text);
}

/* ===================================
   Contact Section
   =================================== */
.contact {
    background: var(--white);
}

.contact-content {
    display: flex;
    justify-content: center;
    width: 100%;
    margin: 0 auto;
}

.contact-info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    width: 100%;
    max-width: 900px;
}

.contact-card {
    background: var(--light-gray);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    text-align: center;
    transition: var(--transition-base);
    border: 2px solid transparent;
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-blue);
    background: var(--white);
}

.contact-card-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    display: block;
}

.contact-card h4 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary-blue-dark);
    margin-bottom: var(--spacing-sm);
}

.contact-card p {
    font-size: 1rem;
    color: var(--light-text);
    line-height: 1.6;
    margin: 0;
}

.contact-card a {
    color: var(--primary-blue);
    text-decoration: none;
    transition: var(--transition-base);
}

.contact-card a:hover {
    color: var(--primary-blue-dark);
    text-decoration: underline;
}


/* ===================================
   Footer
   =================================== */
.footer {
    background: var(--primary-blue-dark);
    color: var(--white);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-section h4 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.footer-section p {
    font-size: 0.95rem;
    opacity: 0.9;
    line-height: 1.6;
}

.footer-section ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-section ul li a {
    font-size: 0.95rem;
    opacity: 0.85;
    transition: var(--transition-base);
}

.footer-section ul li a:hover {
    opacity: 1;
    color: var(--secondary-yellow);
}

.social-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.social-icon {
    font-size: 0.95rem;
    opacity: 0.85;
    transition: var(--transition-base);
}

.social-icon:hover {
    opacity: 1;
    color: var(--secondary-yellow);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    font-size: 0.875rem;
    opacity: 0.8;
}

/* ===================================
   Responsive Design
   =================================== */

/* Tablets and below */
@media (max-width: 992px) {
    .hero-content,
    .about-content,
    .courses-grid,
    .comparison-grid {
        grid-template-columns: 1fr;
    }
    
    .about-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .urgency-points {
        grid-template-columns: 1fr;
    }
    
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .hero-title {
        font-size: 2.25rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
}

/* Mobile */
@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        background: var(--white);
        flex-direction: column;
        padding: var(--spacing-lg);
        box-shadow: var(--shadow-lg);
        transition: var(--transition-base);
    }
    
    .nav-links.active {
        left: 0;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .features-grid,
    .about-stats,
    .footer-content,
    .contact-info-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .hero-subtitle {
        font-size: 1.25rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .hero-highlights {
        gap: var(--spacing-sm);
    }
    
    .highlight-item {
        font-size: 0.875rem;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
    }
}

/* Small mobile */
@media (max-width: 480px) {
    :root {
        --font-size-base: 14px;
    }
    
    section {
        padding: var(--spacing-xl) 0;
    }
    
    .hero-title {
        font-size: 1.5rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .logo-text h2 {
        font-size: 1rem;
    }
    
    .logo-text p {
        font-size: 0.65rem;
    }
}

/* Print styles */
@media print {
    .navbar,
    .footer,
    .cta-button,
    .submit-button {
        display: none;
    }
}