/* ===================================
   CODING CLUB CU - MAIN STYLES
   Professional, Formal, Academic Theme
   =================================== */

:root {
    /* Color Palette */
    --primary: #DC2626;
    --secondary: #B91C1C;
    --background: #FFFFFF;
    --light-gray: #F5F7FA;
    --dark: #333333;
    --border-color: #E0E7F1;
    --text-light: #666666;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.12);

    /* Typography */
    --font-primary: 'Poppins', sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.6;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
}

/* ===================================
   GLOBAL STYLES
   =================================== */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--dark);
    background-color: var(--background);
  
}



.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ===================================
   TYPOGRAPHY
   =================================== */

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    color: var(--dark);
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
}

h3 {
    font-size: 1.5rem;
    font-weight: 600;
}

h4 {
    font-size: 1.125rem;
    font-weight: 600;
}

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

a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--secondary);
}

/* ===================================
   BUTTONS
   =================================== */

.btn {
    display: inline-block;
    padding: 0.75rem 1.75rem;
    font-size: 1rem;
    font-weight: 500;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    text-align: center;
    font-family: var(--font-primary);
}

.btn-primary {
    background-color: var(--primary);
    color: white;
    box-shadow: var(--shadow);
}

.btn-primary:hover {
    background-color: var(--secondary);
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-secondary:hover {
    background-color: var(--primary);
    color: white;
}

/* ===================================
   NAVIGATION BAR
   =================================== */

.navbar {
    background-color: rgba(246, 242, 242, 0.835);
    color: var(--primary);
    padding: var(--spacing-sm) 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow);
}

/* ===================================
   NOTICE BAR STYLES
   =================================== */

.notice-bar {
    background: linear-gradient(135deg, #FFE66D 0%, #FDB462 100%);
    padding: 12px 0;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    position: relative;
    z-index: 999;
    animation: slideDown 0.4s ease;
}

.notice-bar.hidden {
    display: none;
}

.notice-content {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 16px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.notice-text {
    font-size: 0.95rem;
    font-weight: 600;
    color: #333333;
    letter-spacing: 0.3px;
}

.notice-close {
    background: none;
    border: none;
    font-size: 24px;
    color: #333333;
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    opacity: 0.7;
}

.notice-close:hover {
    opacity: 1;
    transform: scale(1.1);
}

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

/* Notice Bar Responsive */
@media (max-width: 768px) {
    .notice-content {
        gap: 12px;
        flex-wrap: wrap;
    }

    .notice-text {
        font-size: 0.85rem;
    }

    .notice-close {
        font-size: 20px;
        width: 28px;
        height: 28px;
    }
}

@media (max-width: 480px) {
    .notice-bar {
        padding: 10px 0;
    }

    .notice-content {
        gap: 8px;
        padding: 0 var(--spacing-sm);
    }

    .notice-text {
        font-size: 0.8rem;
    }

    .notice-close {
        font-size: 18px;
        width: 24px;
        height: 24px;
    }
}

.navbar-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    margin: 0;
    width: 150px;
}

.navbar-logo {
    height: 55px;
    max-width: 140px;
    object-fit: contain;
    margin: 0;
    padding: 0;
    display: block;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-xl);
}

.nav-menu a {
    color: var(--primary);
    font-weight: 500;
    position: relative;
    transition: color 0.3s ease;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--secondary);
}

.nav-menu a.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--primary);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--primary);
    margin: 4px 0;
    transition: 0.3s ease;
    border-radius: 2px;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(10px, 10px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* ===================================
   HERO SECTION
   =================================== */

.hero {
    background: white;
    color: var(--primary);
    padding: 6rem var(--spacing-md);
    text-align: center;
    animation: fadeIn 0.6s ease;
}

.hero-content h2 {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    color: var(--primary);
    font-weight: 700;
}

.hero-content p {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: var(--spacing-sm);
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: var(--spacing-xl);
}

.hero .btn {
    margin-top: var(--spacing-lg);
}

/* ===================================
   PAGE HERO
   =================================== */

.page-hero {
    background-color: var(--light-gray);
    padding: 4rem var(--spacing-md);
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.page-hero h1 {
    margin-bottom: var(--spacing-md);
    color: var(--primary);
}

.page-hero p {
    font-size: 1.125rem;
    color: var(--text-light);
    margin: 0;
}

/* ===================================
   ABOUT PREVIEW SECTION
   =================================== */

.about-preview {
    padding: var(--spacing-2xl) var(--spacing-md);
    background-color: var(--background);
}

.about-preview h2 {
    text-align: center;
    color: var(--primary);
    margin-bottom: var(--spacing-2xl);
}

.about-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    animation: fadeIn 0.6s ease 0.2s both;
}

.about-card {
    background-color: var(--light-gray);
    padding: var(--spacing-lg);
    border-radius: 8px;
    border-left: 4px solid var(--primary);
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.about-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.about-card h3 {
    color: var(--primary);
    margin-bottom: var(--spacing-md);
}

/* ===================================
   STATS SECTION
   =================================== */

.stats {
    background-color: var(--light-gray);
    padding: var(--spacing-2xl) var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

.stats .container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    text-align: center;
}

.stat-item {
    padding: var(--spacing-lg);
}

.stat-item h3 {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: var(--spacing-sm);
}

.stat-item p {
    color: var(--text-light);
    font-size: 1.1rem;
    margin: 0;
}

/* ===================================
   ABOUT PAGE SECTIONS
   =================================== */

.about-section {
    padding: var(--spacing-2xl) var(--spacing-md);
}

.about-block {
    margin-bottom: var(--spacing-2xl);
    animation: fadeIn 0.6s ease;
}

.about-block h2 {
    color: var(--primary);
    border-bottom: 2px solid var(--primary);
    padding-bottom: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.mission-list {
    list-style: none;
    padding: 0;
}

.mission-list li {
    padding-left: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    position: relative;
    color: var(--text-light);
}

.mission-list li:before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: bold;
}

.activities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.activity-card {
    background-color: var(--light-gray);
    padding: var(--spacing-lg);
    border-radius: 8px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.activity-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.activity-card h3 {
    color: var(--primary);
    margin-bottom: var(--spacing-md);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.value-item {
    background-color: var(--background);
    border: 2px solid var(--border-color);
    padding: var(--spacing-lg);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.value-item:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
}

.value-item h4 {
    color: var(--primary);
    margin-bottom: var(--spacing-md);
}

/* ===================================
   EVENTS SECTION
   =================================== */

.events-section {
    padding: var(--spacing-2xl) var(--spacing-md);
    background-color: var(--background);
}

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

.event-card {
    background-color: white;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    display: flex;
    animation: fadeIn 0.6s ease;
}

.event-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.event-date {
    background-color: var(--primary);
    color: white;
    width: 80px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
    min-height: 100px;
    font-weight: 600;
}

.event-date .day {
    font-size: 1.75rem;
    font-weight: 700;
}

.event-date .month {
    font-size: 0.875rem;
    opacity: 0.9;
}

.event-content {
    padding: var(--spacing-lg);
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.event-content h3 {
    color: var(--dark);
    margin-bottom: var(--spacing-sm);
    margin-top: 0;
}

.event-type {
    display: inline-block;
    background-color: var(--light-gray);
    color: var(--primary);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    width: fit-content;
}

.event-content > p:nth-of-type(2) {
    flex-grow: 1;
    margin-bottom: var(--spacing-md);
}

.event-meta {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
}

/* ===================================
   PROJECTS SECTION
   =================================== */

.projects-section {
    padding: var(--spacing-2xl) var(--spacing-md);
    background-color: var(--background);
}

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

.project-card {
    background-color: white;
    border: 1px solid var(--border-color);
    padding: var(--spacing-lg);
    border-radius: 8px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    animation: fadeIn 0.6s ease;
}

.project-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-md);
}

.project-header h3 {
    color: var(--primary);
    margin: 0;
    flex-grow: 1;
}

.project-tag {
    background-color: var(--light-gray);
    color: var(--primary);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    white-space: nowrap;
    margin-left: var(--spacing-sm);
}

.project-description {
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.tech-badge {
    background-color: var(--light-gray);
    color: var(--primary);
    padding: 0.35rem 0.75rem;
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: 500;
}

.project-lead {
    font-size: 0.95rem;
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
}

/* ===================================
   TEAM SECTION
   =================================== */

.team-section {
    padding: var(--spacing-2xl) var(--spacing-md);
    background-color: var(--background);
}

.team-category {
    margin-bottom: var(--spacing-2xl);
}

.team-category h2 {
    color: var(--primary);
    border-bottom: 2px solid var(--primary);
    padding-bottom: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.team-card {
    background-color: white;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: var(--spacing-lg);
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    animation: fadeIn 0.6s ease;
}

.team-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.team-image {
    width: 120px;
    height: 120px;
    margin: 0 auto var(--spacing-lg);
    background-color: var(--light-gray);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
}

.image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.team-card h3 {
    color: var(--primary);
    margin-bottom: var(--spacing-xs);
}

.team-role {
    background-color: var(--light-gray);
    color: var(--primary);
    display: inline-block;
    padding: 0.35rem 0.75rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.team-bio {
    font-size: 0.95rem;
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
}

.team-contact {
    font-size: 0.9rem;
    color: var(--primary);
    margin: 0;
    word-break: break-all;
}

.join-section {
    background-color: var(--light-gray);
    padding: var(--spacing-2xl);
    border-radius: 8px;
    text-align: center;
    margin-top: var(--spacing-2xl);
    border: 2px solid var(--primary);
}

.join-section h2 {
    color: var(--primary);
}

.join-section p {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-lg);
}

/* ===================================
   FOOTER
   =================================== */

.footer {
    background-color: var(--dark);
    color: white;
    padding: var(--spacing-2xl) var(--spacing-md) var(--spacing-lg);
    margin-top: var(--spacing-2xl);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-section h4 {
    color: white;
    margin-bottom: var(--spacing-md);
    font-size: 1.1rem;
}

.footer-section p {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-sm);
}

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

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

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    transition: color 0.3s ease;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: var(--spacing-lg);
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

/* ===================================
   ANIMATIONS
   =================================== */

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===================================
   FEEDBACK MODAL
   =================================== */

.feedback-modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    animation: fadeIn 0.3s ease;
    overflow-y: auto;
}

.feedback-modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
}

.feedback-modal-content {
    background-color: white;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    max-width: 600px;
    width: 100%;
    position: relative;
    animation: slideDown 0.3s ease;
    margin: auto;
}

.feedback-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: 2px solid var(--light-gray);
}

.feedback-modal-header h3 {
    color: var(--primary);
    margin: 0;
    font-size: 1.5rem;
    font-weight: 700;
}

.feedback-close {
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--text-light);
    cursor: pointer;
    padding: 0;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.3s ease;
    line-height: 1;
}

.feedback-close:hover {
    background-color: var(--light-gray);
    color: var(--primary);
    transform: rotate(90deg);
}

.feedback-modal-body {
    padding: var(--spacing-lg);
}

.feedback-modal-body > p {
    color: var(--text-light);
    margin-bottom: var(--spacing-lg);
    font-size: 1rem;
    line-height: 1.6;
}

#feedbackForm {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

#feedbackText {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-family: var(--font-primary);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--dark);
    resize: vertical;
    transition: all 0.3s ease;
    box-sizing: border-box;
}

#feedbackText:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}

#feedbackText::placeholder {
    color: var(--text-light);
    opacity: 0.7;
}

#feedbackText.error {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}

.feedback-modal-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
    flex-wrap: wrap;
}

.feedback-modal-actions .btn {
    min-width: 120px;
}

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

/* Feedback Modal Responsive */
@media (max-width: 768px) {
    .feedback-modal.active {
        padding: var(--spacing-sm);
    }

    .feedback-modal-content {
        max-width: 100%;
        margin: var(--spacing-md) auto;
    }

    .feedback-modal-header {
        padding: var(--spacing-md);
    }

    .feedback-modal-header h3 {
        font-size: 1.25rem;
    }

    .feedback-modal-body {
        padding: var(--spacing-md);
    }

    .feedback-modal-actions {
        flex-direction: column;
    }

    .feedback-modal-actions .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .feedback-modal-header h3 {
        font-size: 1.1rem;
    }

    #feedbackText {
        font-size: 0.95rem;
    }
}

/* ===================================
   UTILITIES
   =================================== */

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

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }

.hidden {
    display: none;
}