/* ============================================
   LOCAL FONTS
   ============================================ */
@font-face {
    font-family: 'Poppins';
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: url('fonts/poppins-v24-latin-regular.woff2') format('woff2');
}

@font-face {
    font-family: 'Poppins';
    font-style: normal;
    font-weight: 600;
    font-display: swap;
    src: url('fonts/poppins-v24-latin-600.woff2') format('woff2');
}

@font-face {
    font-family: 'Poppins';
    font-style: normal;
    font-weight: 900;
    font-display: swap;
    src: url('fonts/poppins-v24-latin-900.woff2') format('woff2');
}

@font-face {
    font-family: 'Roboto';
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: url('fonts/roboto-v50-latin-regular.woff2') format('woff2');
}

@font-face {
    font-family: 'Roboto';
    font-style: normal;
    font-weight: 500;
    font-display: swap;
    src: url('fonts/roboto-v50-latin-500.woff2') format('woff2');
}

@font-face {
    font-family: 'Roboto';
    font-style: normal;
    font-weight: 700;
    font-display: swap;
    src: url('fonts/roboto-v50-latin-700.woff2') format('woff2');
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    line-height: 1.5;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 16px;
    font-weight: 400;
    color: #333333;
    background-color: #ffffff;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    color: inherit;
    text-decoration: none;
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.container {
    width: 100%;
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 20px;
}

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

.text-white {
    color: #ffffff !important;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.section-title {
    font-family: 'Poppins', sans-serif;
    font-size: 36px;
    font-weight: 600;
    color: #1E3A8A;
    text-align: center;
    margin-bottom: 20px;
}

.text-content {
    font-size: 18px;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.highlight {
    color: #facc15;
}

.highlight-gold {
    color: #eab308;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn-primary {
    display: inline-block;
    background-color: #EAB308;
    color: #000000;
    font-family: 'Roboto', sans-serif;
    font-size: 20px;
    font-weight: 700;
    text-transform: uppercase;
    padding: 20px 30px;
    border-radius: 10px;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
}

.btn-primary:hover {
    transform: scale(1.05);
    color: #333366;
}

.btn-submit {
    width: 100%;
    background-color: #EAB308;
    color: #000000;
    font-family: 'Roboto', sans-serif;
    font-size: 18px;
    font-weight: 700;
    text-transform: uppercase;
    padding: 15px 30px;
    border-radius: 10px;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-submit:hover {
    background-color: #ca9a06;
    transform: scale(1.02);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    background: radial-gradient(at top right, #312F84 0%, #1D4ED7 100%);
    padding: 90px 0;
    text-align: center;
}

.hero h1 {
    font-family: 'Poppins', sans-serif;
    font-size: 48px;
    font-weight: 600;
    color: #ffffff;
    max-width: 900px;
    margin: 0 auto 30px;
}

.hero-subtitle {
    font-size: 20px;
    color: #ffffff;
    max-width: 700px;
    margin: 0 auto 40px;
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
}

.info-box {
    background-color: #565EAB;
    color: #ffffff;
    padding: 15px 25px;
    border-radius: 10px;
    font-size: 18px;
    font-weight: 600;
}

/* ============================================
   PROBLEM SECTION
   ============================================ */
.problem {
    padding: 90px 0;
    text-align: center;
}

.image-container {
    max-width: 640px;
    margin: 30px auto;
}

.image-container img {
    border-radius: 8px;
    margin: 0 auto;
}

/* ============================================
   SOLUTION SECTION
   ============================================ */
.solution {
    background-color: #F3F4F6;
    padding: 90px 0;
    text-align: center;
}

.solution .image-container {
    max-width: 400px;
}

.solution .btn-primary {
    margin-top: 30px;
}

/* ============================================
   CONTENT SECTION
   ============================================ */
.content-section {
    padding: 90px 0;
    text-align: center;
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    max-width: 800px;
    margin: 40px auto;
}

.card {
    background-color: #f9fafb;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    text-align: left;
}

.card p {
    font-size: 16px;
    line-height: 1.5;
    margin: 0;
}

.bonus-box {
    background-color: #fef9c3;
    border-left: 4px solid #eab308;
    padding: 25px 30px;
    border-radius: 0 10px 10px 0;
    max-width: 700px;
    margin: 40px auto;
    text-align: left;
}

.bonus-box p {
    font-size: 18px;
    font-weight: 600;
    color: #854d0e;
    margin: 0;
}

/* ============================================
   TEACHER SECTION
   ============================================ */
.teacher {
    background-color: #F3F4F6;
    padding: 90px 0;
    text-align: center;
}

.teacher-name {
    font-family: 'Poppins', sans-serif;
    font-size: 28px;
    color: #1E3A8A;
    margin-bottom: 30px;
}

.quote-box {
    background: transparent;
    max-width: 700px;
    margin: 30px auto 0;
    padding: 20px;
}

.quote-box p {
    font-size: 18px;
    font-style: italic;
    color: #1d4ed8;
    font-weight: 600;
    margin: 0;
}

/* ============================================
   TESTIMONIALS SECTION
   ============================================ */
.testimonials {
    padding: 90px 0;
    text-align: center;
}

.videos-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    max-width: 1000px;
    margin: 40px auto 0;
}

.video-container {
    position: relative;
    padding-bottom: 177.78%; /* 9:16 aspect ratio for shorts */
    height: 0;
    overflow: hidden;
    border-radius: 10px;
    background-color: #000;
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* ============================================
   FORM SECTION
   ============================================ */
.form-section {
    background: linear-gradient(135deg, #1d4ed8 0%, #312e81 100%);
    padding: 90px 0;
    text-align: center;
}

.form-section .section-title {
    color: #ffffff;
}

.date-info {
    font-size: 20px;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 40px;
}

.form-container {
    background-color: #ffffff;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    max-width: 450px;
    margin: 0 auto;
}

.form-container h3 {
    font-family: 'Poppins', sans-serif;
    font-size: 22px;
    color: #1E3A8A;
    margin-bottom: 25px;
}

.signup-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.form-group input {
    width: 100%;
    padding: 15px 20px;
    font-size: 16px;
    font-family: 'Roboto', sans-serif;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    transition: border-color 0.3s ease;
}

.form-group input:focus {
    outline: none;
    border-color: #1d4ed8;
}

.form-group input::placeholder {
    color: #9ca3af;
}

.privacy-note {
    font-size: 12px;
    color: #6b7280;
    margin-top: 15px;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background-color: #1F2937;
    padding: 50px 0;
    text-align: center;
}

.footer p {
    font-size: 14px;
    color: #e5e7eb;
    margin-bottom: 20px;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 30px;
}

.footer-links a {
    font-size: 14px;
    color: #e5e7eb;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #ffffff;
}

/* ============================================
   RESPONSIVE STYLES
   ============================================ */
@media (max-width: 1024px) {
    .hero h1 {
        font-size: 40px;
    }
    
    .videos-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 767px) {
    .hero {
        padding: 60px 0;
    }
    
    .hero h1 {
        font-size: 28px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .section-title {
        font-size: 26px;
    }
    
    .text-content {
        font-size: 16px;
    }
    
    .btn-primary {
        font-size: 16px;
        padding: 15px 25px;
    }
    
    .cards-grid {
        grid-template-columns: 1fr;
    }
    
    .videos-grid {
        grid-template-columns: 1fr;
        max-width: 300px;
    }
    
    .problem,
    .solution,
    .content-section,
    .teacher,
    .testimonials,
    .form-section {
        padding: 60px 0;
    }
    
    .form-container {
        padding: 25px;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 15px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero h1 {
        font-size: 24px;
    }
    
    .info-box {
        font-size: 14px;
        padding: 12px 18px;
    }
}