/* Font Family */
@font-face {
    font-family: "Frutiger 45 Light";
    src: url('../fonts/Frutiger_45_Light.otf') format('truetype');
}

@font-face {
    font-family: "Frutiger Bold";
    src: url('../fonts/Frutiger_bold.ttf') format('truetype');
}

:root {
    --WHITE: #FFFFFF;
    --BACKGROUND: #000011;
    --RED: #ff0000;
    --GREEN: #008000;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "Frutiger 45 Light";
    background-color: var(--BACKGROUND);
    color: var(--WHITE);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: "Frutiger Bold";
}

.title {
    font-size: 5.5rem;
    font-weight: 700;
    color: #F2C94C;
    text-align: center;
    margin-bottom: 0.5rem;
}

.subtitle {
    font-size: 3rem;
    font-weight: 500;
    text-align: center;
    margin-bottom: 1.5rem;
}

.tagline {
    font-size: 2.2rem;
    margin-bottom: 0.5rem;
}

.description {
    font-size: 1.8rem;
    margin-bottom: 2rem;
}

h1 {
    font-size: 3.5rem;
    font-weight: 700;
    color: #F2C94C;
    text-align: center;
    margin-bottom: 0.5rem;
}

h2 {
    font-size: 2rem;
    font-weight: 500;
    text-align: center;
    margin-bottom: 1.5rem;
}

h3 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

h4 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

p {
    margin-bottom: 1rem;
}

/* Hero Section */
.hero {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-around;
    gap: 2rem;
    text-align: center;
    padding: 3rem 0;
    min-height: 45vh;
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.lightbulb-icon-container {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbulb-icon {
    width: 200px;
    height: 200px;
    object-fit: contain;
}

.cta-button {
    display: inline-block;
    border: 1px solid #F2C94C;
    color: #F2C94C;
    font-family: "Frutiger Bold";
    font-weight: 600;
    font-size: 1.7rem;
    padding: 1rem 2rem 0.5rem 2rem;
    border-radius: 2rem;
    text-decoration: none;
    transition: all 0.3s ease;
}

.cta-button:hover {
    background-color: #F2C94C;
    color: #0F1A2A;
    text-decoration: none;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(242, 201, 76, 0.2);
}

/* Problem Card */
.problem-card {
    width: 85%;
    margin: auto;
    margin-top: 5rem;
    margin-bottom: 5rem;
    background-color: #F5E9C9;
    color: #0F1A2A;
    border-radius: 1rem;
    padding: 3rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.problem-title {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.problem-text {
    font-size: 1.8rem;
    font-weight: 100;
    margin-bottom: 1rem;
}

.answer-title {
    font-size: 2rem;
    text-align: left;
}

.answer-text {
    font-size: 1.5rem;
    text-align: left;
}

.explanation-title {
    font-size: 1.8rem;
    font-weight: 200;
    margin-bottom: 1rem;
    text-align: left;
}

.answer-section {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.answer-box {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: #0F1A2A;
    color: #FFFFFF;
    border-radius: 1rem;
    flex-grow: 1;
    margin-right: 1rem;
}

.answer-box p {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 0;
    padding-left: 2rem;
}


.submit-button {
    background-color: #F2C94C;
    color: #0F1A2A;
    border: none;
    padding: 1rem 2rem;
    border-radius: 1rem;
    font-family: "Frutiger Bold";
    font-weight: 600;
    font-size: 2rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.submit-button:hover {
    background-color: #FFD966;
}

.explanation {
    margin-top: 1.5rem;
}

/* Subject Icons */
.subject-icons {
    width: 70%;
    display: flex;
    justify-content: space-between;
    flex-wrap: nowrap;
    margin: 8rem auto;
    gap: 2rem;
}

.subject-icon {
    background-color: #1A2A3A;
    border-radius: 1rem;
    padding: 1.5rem;
    text-align: center;
    width: 22%;
    transition: all 0.3s ease;
    flex: 1;
}

.subject-icon:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
}

.subject-icon-image {
    width: 8rem;
    height: 8rem;
    margin: 1rem;
}

.subject-icon-text {
    font-size: 1.8rem;
    margin-top: 1rem;
    font-weight: 600;
    color: #F2C94C;
}

/* Progress Section */
.progress-section {
    margin: 7rem;
}

.progress-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 2rem;
}

.progress-title {
    color: #F2C94C;
    font-size: 4rem;
    font-weight: 600;
    margin-bottom: 3rem;
}

.progress-chart {
    width: 30%;
}

.progress-stats {
    width: 45%;
}

.stat-item {
    font-size: 1.8rem;
    background-color: #1A2A3A;
    padding: 1.5rem 3rem;
    border-radius: 0.5rem;
    margin-bottom: 1.5rem;
    display: flex;
    justify-content: space-between;
    font-family: "Frutiger Bold";
}

.stat-item span {
    color: #F2C94C;
    font-weight: 600;
}

.achievement-badge {
    width: 25%;
    text-align: center;
    margin-left: 2rem;
}

.progress-image {
    width: 70%;
    padding: 1rem;
}

.badge-image {
    width: 70%;
    padding: 1rem;
}

/* Responsive Design */
@media (min-width: 1400px) {
    .hero {
        min-height: 45vh;
    }
    
    .title {
        font-size: 6.5rem;
    }
    
    .subtitle {
        font-size: 3.5rem;
    }
    
    .tagline {
        font-size: 2.5rem;
    }
    
    .description {
        font-size: 2rem;
    }
    
    .cta-button {
        font-size: 2rem;
        padding: 1.2rem 2.5rem 0.7rem 2.5rem;
    }
    
    .lightbulb-icon {
        width: 250px;
        height: 250px;
    }
}

@media (max-width: 1200px) {
    .title {
        font-size: 4.5rem;
    }
    
    .subtitle {
        font-size: 2.5rem;
    }
    
    .tagline {
        font-size: 1.8rem;
    }
    
    .description {
        font-size: 1.5rem;
    }
    
    .subject-icons {
        flex-wrap: nowrap;
        gap: 1.5rem;
    }
    
    .subject-icon {
        flex: 1;
        width: auto;
    }
}

@media (max-width: 768px) {
    .hero {
        flex-direction: column;
        gap: 1.5rem;
        padding: 2rem 0;
        min-height: auto;
    }
    
    .hero-content {
        max-width: 100%;
    }
    
    .title {
        font-size: 3.5rem;
    }
    
    .subtitle {
        font-size: 2rem;
    }
    
    .tagline {
        font-size: 1.5rem;
    }
    
    .description {
        font-size: 1.3rem;
    }
    
    .cta-button {
        font-size: 1.4rem;
        padding: 0.8rem 1.5rem 0.3rem 1.5rem;
    }
    
    .lightbulb-icon {
        width: 120px;
        height: 120px;
    }
    
    .problem-card {
        width: 95%;
        padding: 2rem;
        margin-top: 3rem;
        margin-bottom: 3rem;
    }
    
    .problem-title {
        font-size: 2.5rem;
    }
    
    .problem-text {
        font-size: 1.5rem;
    }
    
    .answer-text {
        font-size: 1.3rem;
    }
    
    .explanation-title {
        font-size: 1.4rem;
    }
    
    .submit-button {
        font-size: 1.6rem;
        padding: 0.8rem 1.5rem;
    }
    
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    .subject-icons {
        flex-wrap: wrap;
        gap: 1.5rem;
    }
    
    .subject-icon {
        width: 48%;
        margin-bottom: 1rem;
        flex: none;
    }
    
    .progress-container {
        flex-direction: column;
    }
    
    .progress-section {
        margin: 4rem 2rem;
    }
    
    .progress-title {
        font-size: 3rem;
        margin-bottom: 2rem;
    }
    
    .progress-container {
        flex-direction: column;
        gap: 2rem;
    }
    
    .progress-chart, .progress-stats, .achievement-badge {
        width: 100%;
        margin-bottom: 0;
    }
    
    .progress-chart {
        order: 1;
        display: flex;
        justify-content: center;
    }
    
    .progress-stats {
        order: 2;
    }
    
    .achievement-badge {
        order: 3;
        margin-left: 0;
        display: flex;
        justify-content: center;
    }
    
    .stat-item {
        font-size: 1.6rem;
        padding: 1.2rem 2rem;
    }
    
    .progress-image, .badge-image {
        width: 30%;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 1rem;
    }
    
    .hero {
        padding: 1.5rem 0;
        gap: 1rem;
    }
    
    .title {
        font-size: 2.8rem;
    }
    
    .subtitle {
        font-size: 1.6rem;
    }
    
    .tagline {
        font-size: 1.2rem;
    }
    
    .description {
        font-size: 1.1rem;
    }
    
    .cta-button {
        font-size: 1.2rem;
        padding: 0.6rem 1.2rem 0.2rem 1.2rem;
    }
    
    .lightbulb-icon {
        width: 100px;
        height: 100px;
    }
    
    .problem-card {
        width: 100%;
        padding: 1.5rem;
        margin-top: 2rem;
        margin-bottom: 2rem;
        border-radius: 0.8rem;
    }
    
    .problem-title {
        font-size: 2rem;
    }
    
    .problem-text {
        font-size: 1.3rem;
    }
    
    .answer-section {
        flex-direction: column;
        gap: 1rem;
    }
    
    .answer-box {
        width: 100%;
        margin-right: 0;
        margin-bottom: 0;
        flex-direction: column;
        padding: 1rem;
        gap: 1rem;
    }
    
    .answer-box p {
        font-size: 1.2rem;
        padding-left: 0;
        text-align: center;
    }
    
    .submit-button {
        font-size: 1.4rem;
        padding: 0.8rem 1.5rem;
        width: 100%;
    }
    
    .explanation-title {
        font-size: 1.2rem;
    }
    
    .subject-icon {
        width: 100%;
    }
    
    .progress-section {
        margin: 3rem 1rem;
    }
    
    .progress-title {
        font-size: 2.5rem;
        margin-bottom: 1.5rem;
    }
    
    .progress-container {
        gap: 1.5rem;
    }
    
    .stat-item {
        font-size: 1.4rem;
        padding: 1rem 1.5rem;
        margin-bottom: 1rem;
    }
    
    .progress-image, .badge-image {
        width: 20%;
    }
}