/* style.css */
@import url('https://fonts.googleapis.com/css2?family=Poppins:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,100;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900&display=swap');

:root {
    /* OPIT Palette */
    --opit-primary-blue: #0049FF;
    --opit-pink: #E94581;
    --opit-green: #63C872;
    --opit-yellow: #F6CA46;
    --opit-purple: #6934EA;
    --opit-orange: #E56D30;
    --opit-red: #E63724;

    /* Extended Theme Variables */
    --font-family-base: 'Poppins', sans-serif;
    --font-family-headings: 'Poppins', sans-serif;
    --text-dark: #212121;
    --text-medium: #424242;
    --text-light: #616161;
    --text-lighter: #9e9e9e;
    --bg-white: #ffffff;
    --bg-light: #f4f7f9;
    --bg-lighter: #f9fbfd;
    --shadow-base: 0 10px 30px rgba(0, 0, 0, 0.07);
    --shadow-medium: 0 15px 30px rgba(0, 0, 0, 0.1);
    --shadow-large: 0 20px 40px rgba(0, 0, 0, 0.15);
    --radius-small: 6px;
    --radius-base: 12px;
    --radius-large: 16px;
    --border-color: #e0e0e0;
    --border-color-light: #eeeeee;
    --transition-base: all 0.3s ease;
    --transition-fast: all 0.15s ease;
    --spacing-xs: 5px;
    --spacing-sm: 10px;
    --spacing-md: 20px;
    --spacing-lg: 30px;
    --spacing-xl: 40px;
    --spacing-xxl: 50px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family-base);
    background-color: #FFFFFF;
    color: var(--text-dark);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    position: relative;
    font-size: 15px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family-headings);
    line-height: 1.3;
    margin-bottom: var(--spacing-sm);
}

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

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

    a:hover {
        color: var(--opit-purple);
        text-decoration: underline;
    }

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

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

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    position: relative;
}

    .section-title::after {
        content: '';
        position: absolute;
        bottom: -10px;
        left: 50%;
        transform: translateX(-50%);
        width: 80px;
        height: 3px;
        background-color: var(--opit-primary-blue);
    }

.section-title-left {
    text-align: left;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--opit-primary-blue);
}

/* Hero Banner */
.hero-banner {
    background-color: var(--opit-primary-blue);
    background-image: url('https://www.opit.com/wp-content/uploads/2023/12/Brand-Background.svg');
    background-position: center center;
    background-size: cover;
    color: white;
    border-radius: var(--radius-large);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    position: relative;
    overflow: hidden;
}

.hero-title {
    margin-bottom: var(--spacing-sm);
    line-height: 1.2;
}

.hero-subtitle {
    opacity: 0.9;
    margin-bottom: var(--spacing-lg);
}

.hero-content {
    position: relative;
    z-index: 2;
}

/* Course Meta */
.course-meta-container {
    display: flex;
    justify-content: center;
    width: 100%;
    margin-top: var(--spacing-md);
}

.course-meta {
    display: inline-flex;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: 30px;
    backdrop-filter: blur(5px);
}

.meta-item.white-meta {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: white;
    background-color: rgba(255, 255, 255, 0.15);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 20px;
    transition: var(--transition-base);
}

    .meta-item.white-meta:hover {
        background-color: rgba(255, 255, 255, 0.25);
        transform: translateY(-2px);
    }

/* Course Info Cards */
.course-info-section {
    margin: var(--spacing-xl) 0;
}

.course-info-grid {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    padding: 0 var(--spacing-md);
}

.course-info-card {
    background-color: var(--bg-white);
    border-radius: var(--radius-base);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-base);
    transition: var(--transition-base);
    border-top: 4px solid var(--opit-primary-blue);
    width: 100%;
}

    .course-info-card:hover {
        transform: translateY(-3px);
        box-shadow: var(--shadow-medium);
    }

.info-card-content {
    display: flex;
    flex-direction: column;
}

.info-card-title {
    margin-bottom: var(--spacing-md);
    color: var(--opit-primary-blue);
    position: relative;
    padding-bottom: var(--spacing-sm);
    font-size: 1.25rem;
    font-family: var(--font-family-headings);
    font-weight: 600;
}

    .info-card-title::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        width: 40px;
        height: 2px;
        background-color: var(--border-color);
    }

.info-card-details {
    flex: 1;
}

.info-card-item {
    margin-bottom: var(--spacing-sm);
    display: block;
    font-size: 0.95rem;
    line-height: 1.5;
}

.info-card-label {
    font-weight: 600;
    color: var(--text-dark);
    display: inline; 
}

/* Adjustments for medium and large screens */
@media (min-width: 769px) {
    .course-info-grid {
        max-width: 800px;
        margin: 0 auto;
    }
}

/* Mobile responsiveness */
@media (max-width: 768px) {
    .course-info-grid {
        padding: 0 var(--spacing-sm);
        gap: var(--spacing-sm);
    }

    .course-info-card {
        padding: var(--spacing-md);
    }

    .info-card-title {
        font-size: 1.1rem;
        margin-bottom: var(--spacing-sm);
    }

    .info-card-item {
        font-size: 0.9rem;
    }
}

/* Very small screens */
@media (max-width: 480px) {
    .course-info-grid {
        padding: 0 var(--spacing-xs);
    }

    .course-info-card {
        padding: var(--spacing-sm);
    }

    .info-card-title {
        font-size: 1rem;
    }

    .info-card-item {
        font-size: 0.85rem;
    }
}

/* Quick Links */
.quick-link-bar {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    justify-content: center;
    margin-bottom: var(--spacing-xl);
}

.quick-link {
    background-color: var(--bg-white);
    color: var(--text-dark);
    text-decoration: none;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-small);
    border: 1px solid var(--border-color);
    flex-grow: 1;
    min-width: 150px;
    transition: var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

    .quick-link:hover {
        background-color: var(--opit-primary-blue);
        color: white;
        border-color: var(--opit-primary-blue);
        transform: translateY(-3px);
        box-shadow: 0 8px 15px rgba(0, 73, 255, 0.2);
    }

/* Accordion */
.accordion {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.accordion-item {
    background-color: var(--bg-white);
    border-radius: var(--radius-base);
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: var(--transition-base);
}

details[open].accordion-item {
    border-color: var(--opit-primary-blue);
    box-shadow: var(--shadow-base);
}

.accordion-header {
    color: var(--text-dark);
    padding: var(--spacing-md);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    list-style: none;
}

    .accordion-header::-webkit-details-marker {
        display: none;
    }

    .accordion-header::after {
        content: '+';
        font-size: 1.5rem;
        color: var(--opit-primary-blue);
        transition: var(--transition-base);
    }

details[open] > .accordion-header::after {
    transform: rotate(45deg);
}

.accordion-content {
    padding: 0 var(--spacing-md) var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

/* Deadlines */
.deadline-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.deadline-item {
    display: flex;
    align-items: center; 
    gap: var(--spacing-sm);
    padding: 8px 10px;
    background-color: var(--bg-white);
    border-radius: var(--radius-base);
    box-shadow: var(--shadow-base);
    margin-bottom: 8px;
}

.deadline-date {
    background-color: var(--opit-primary-blue);
    color: white;
    padding: 4px 8px;
    border-radius: var(--radius-small);
    min-width: 60px;
    text-align: center;
    height: fit-content;
    font-size: 0.8rem;
    display: flex;
    align-items: center; 
    justify-content: center;
    flex-shrink: 0; 
}

.deadline-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

    .deadline-content h3 {
        margin-bottom: 2px;
        color: var(--text-dark);
        font-size: 0.9rem;
        line-height: 1.2; 
    }

    .deadline-content p {
        color: var(--text-light);
        font-size: 0.8rem;
        margin-bottom: 0;
        line-height: 1.2; 
    }

/* Footer */
.site-footer {
    background-color: var(--text-dark);
    color: #e0e0e0;
    padding: var(--spacing-xl) 0 var(--spacing-md);
    margin-top: var(--spacing-xl);
}

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

.footer-column {
    margin-bottom: var(--spacing-md);
}

    .footer-column h4 {
        margin-bottom: var(--spacing-md);
        color: white;
    }

    .footer-column p, .footer-column li {
        margin-bottom: var(--spacing-sm);
        color: #bdbdbd;
    }

    .footer-column ul {
        list-style: none;
    }

    .footer-column a {
        text-decoration: none;
        color: #bdbdbd;
        transition: var(--transition-base);
    }

        .footer-column a:hover {
            color: white;
        }

.footer-bottom {
    text-align: center;
    border-top: 1px solid #424242;
    padding-top: var(--spacing-md);
    color: #9e9e9e;
}

/* Responsive Adjustments */
@media (max-width: 992px) {
    .course-info-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .course-meta {
        flex-wrap: wrap;
        justify-content: center;
    }

    .quick-link {
        min-width: 100%;
    }
    /* Footer responsiveness */
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .footer-column {
        text-align: center;
        margin-bottom: var(--spacing-md);
    }

        .footer-column ul {
            padding-left: 0;
            text-align: center;
        }
}

@media (max-width: 576px) {
    .hero-banner {
        padding: var(--spacing-lg) var(--spacing-md);
    }
}

/* Poppins Font Classes */
.poppins-thin {
    font-family: "Poppins", sans-serif;
    font-weight: 100;
    font-style: normal;
}

.poppins-extralight {
    font-family: "Poppins", sans-serif;
    font-weight: 200;
    font-style: normal;
}

.poppins-light {
    font-family: "Poppins", sans-serif;
    font-weight: 300;
    font-style: normal;
}

.poppins-regular {
    font-family: "Poppins", sans-serif;
    font-weight: 400;
    font-style: normal;
}

.poppins-medium {
    font-family: "Poppins", sans-serif;
    font-weight: 500;
    font-style: normal;
}

.poppins-semibold {
    font-family: "Poppins", sans-serif;
    font-weight: 600;
    font-style: normal;
}

.poppins-bold {
    font-family: "Poppins", sans-serif;
    font-weight: 700;
    font-style: normal;
}

.poppins-extrabold {
    font-family: "Poppins", sans-serif;
    font-weight: 800;
    font-style: normal;
}

.poppins-black {
    font-family: "Poppins", sans-serif;
    font-weight: 900;
    font-style: normal;
}

.poppins-thin-italic {
    font-family: "Poppins", sans-serif;
    font-weight: 100;
    font-style: italic;
}

.poppins-extralight-italic {
    font-family: "Poppins", sans-serif;
    font-weight: 200;
    font-style: italic;
}

.poppins-light-italic {
    font-family: "Poppins", sans-serif;
    font-weight: 300;
    font-style: italic;
}

.poppins-regular-italic {
    font-family: "Poppins", sans-serif;
    font-weight: 400;
    font-style: italic;
}

.poppins-medium-italic {
    font-family: "Poppins", sans-serif;
    font-weight: 500;
    font-style: italic;
}

.poppins-semibold-italic {
    font-family: "Poppins", sans-serif;
    font-weight: 600;
    font-style: italic;
}

.poppins-bold-italic {
    font-family: "Poppins", sans-serif;
    font-weight: 700;
    font-style: italic;
}

.poppins-extrabold-italic {
    font-family: "Poppins", sans-serif;
    font-weight: 800;
    font-style: italic;
}

.poppins-black-italic {
    font-family: "Poppins", sans-serif;
    font-weight: 900;
    font-style: italic;
}

/* Font Size Utilities */
.text-xs {
    font-size: 0.5rem;
}

.text-sm {
    font-size: 0.75rem;
}

.text-base {
    font-size: 1rem;
}

.text-lg {
    font-size: 1.1rem;
}

.text-xl {
    font-size: 1.25rem;
}

.text-2xl {
    font-size: 1.5rem;
}

.text-3xl {
    font-size: 1.75rem;
}

.text-4xl {
    font-size: 2rem;
}

.text-5xl {
    font-size: 2.25rem;
}

.text-6xl {
    font-size: 2.5rem;
}

/* Responsive Font Sizes */
@media (max-width: 768px) {
    .md\:text-4xl {
        font-size: 2rem;
    }

    .md\:text-lg {
        font-size: 1.2rem;
    }
}

@media (max-width: 576px) {
    .sm\:text-3xl {
        font-size: 1.8rem;
    }

    .sm\:text-base {
        font-size: 1rem;
    }
}

.ig-title, .title, .item_link {
    font-family: "Poppins", sans-serif;
    font-weight: 550;
}

.ig-info {
    font-family: "Poppins", sans-serif;
    font-weight: 550;
}

.ig-details {
    font-family: "Poppins", sans-serif;
    font-weight: 400;
    font-style: normal;
}

.ig-info .title.locked_title {
    font-family: "Poppins", sans-serif;
    font-weight: 650;
}

#grading-box-extended {
    width: 100%;
    font-family: 'Poppins', sans-serif;
    font-size: 14px;
    transition: all 0.3s ease;
}

#sub_header_title {
    width: 100%;
    padding: 14px 16px;
    font-family: 'Poppins', sans-serif;
    font-size: 14px;
    transition: all 0.3s ease;
}

#content_tag_create_url {
    width: 100%;
    padding: 14px 16px;
    font-family: 'Poppins', sans-serif;
    font-size: 14px;
    transition: all 0.3s ease;
}

#content_tag_create_title {
    width: 100%;
    padding: 14px 16px;
    font-family: 'Poppins', sans-serif;
    font-size: 14px;
    transition: all 0.3s ease;
}