/* =========================================
   1. VARIABLES & RESET (Premium Dark Theme)
   ========================================= */
:root {
    --primary-bg: #0f1115;
    --secondary-bg: #181b21;
    --border-color: rgba(255, 255, 255, 0.08);
    --text-primary: #ffffff;
    --text-secondary: #a0aab2; 
    
    --accent: #00e5ff;
    --accent-hover: #00b8d4;
    --accent-glow: rgba(0, 229, 255, 0.25);
    
    --transition-smooth: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    --transition-slow: all 0.6s cubic-bezier(0.25, 0.8, 0.25, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Montserrat', 'Segoe UI', sans-serif;
    -webkit-tap-highlight-color: transparent;
}

body {
    background-color: var(--primary-bg);
    color: var(--text-primary);
    line-height: 1.8;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* =========================================
   2. GLOBAL UTILITIES & ANIMATIONS
   ========================================= */
main {
    flex: 1;
    padding: 120px 5% 60px 5%; 
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
}

h1, h2, h3, h4 { font-weight: 700; letter-spacing: -0.5px; }

h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--accent), transparent);
    border-radius: 2px;
}

p { color: var(--text-secondary); margin-bottom: 1rem; }

.section-box {
    background-color: var(--secondary-bg);
    padding: 40px;
    border-radius: 16px;
    margin-bottom: 40px;
    border: 1px solid var(--border-color);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    opacity: 0;
    animation: fadeInUp 0.8s forwards;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 1px;
    cursor: pointer;
    transition: var(--transition-smooth);
    border: none;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-hover), var(--accent));
    color: #000;
    box-shadow: 0 4px 15px var(--accent-glow);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 229, 255, 0.4);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn:disabled {
    background: #222;
    color: #555;
    cursor: not-allowed;
    box-shadow: none;
    border: none;
    transform: none !important;
}

/* =========================================
   3. HEADER & NAV
   ========================================= */
header {
    background: rgba(15, 17, 21, 0.7);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    padding: 15px 5%;
    position: fixed;
    top: 0; left: 0; width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
}

.logo img { 
    height: 80px; 
    width: 120px; 
    border-radius: 6px; 
    transition: var(--transition-smooth);
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 35px;
}

.nav-links li a {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    transition: var(--transition-smooth);
    position: relative;
    padding: 5px 0;
}

.nav-links li a:hover, .nav-links li a.active { color: var(--accent); }

.menu-toggle {
    display: none;
    cursor: pointer;
    flex-direction: column;
    gap: 6px;
    z-index: 1100;
    padding: 10px; 
}

.menu-toggle .bar {
    width: 28px; height: 2px;
    background-color: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition-smooth);
    transform-origin: left center;
}

/* =========================================
   4. HOME PAGE & SLIDER
   ========================================= */
.home-hero { margin-bottom: 60px; }

.slider-container {
    width: 100%;
    height: 65vh;
    min-height: 450px;
    overflow: hidden;
    position: relative;
    border-radius: 16px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.4);
    touch-action: pan-y; 
}

.slide {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    opacity: 0;
    transition: opacity 0.8s ease-in-out;
    display: flex;
    justify-content: center;
    align-items: center;
    background-size: cover;
    background-position: center;
}

.slide.active { opacity: 1; z-index: 1; }

.slide::before {
    content: ''; position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(to top, rgba(15,17,21,1) 0%, rgba(15,17,21,0.3) 100%);
}

.slide:nth-child(1) { background-color: #1a1c23; }
.slide:nth-child(2) { background-color: #22262e; }
.slide:nth-child(3) { background-color: #2a2e38; }

.slide-content {
    position: relative;
    z-index: 10;
    text-align: center;
    padding: 0 20px;
    transform: translateY(20px);
    transition: var(--transition-slow);
}

.slide.active .slide-content { transform: translateY(0); }

.slide-content h3 {
    font-size: 3.5rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 15px;
    text-shadow: 0 4px 20px rgba(0,0,0,0.8);
}

.slider-controls {
    position: absolute; bottom: 30px; left: 50%;
    transform: translateX(-50%);
    display: flex; gap: 15px; z-index: 20;
}

.slider-dot {
    width: 30px; height: 4px;
    border-radius: 2px;
    background-color: rgba(255,255,255,0.2);
    cursor: pointer;
    transition: var(--transition-smooth);
}

.slider-dot.active { background-color: var(--accent); width: 45px; }

.club-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.info-card {
    background-color: rgba(255,255,255,0.02);
    padding: 30px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

/* =========================================
   5. MEMBERS PAGE
   ========================================= */
.member-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.mentor-centered-container {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    padding: 20px 0;
}

.member-img-container {
    width: 100%;
    height: 300px;
    overflow: hidden;
    border-radius: 8px;
    background-color: #1a1c23;
}

.member-photo {
    width: 100%;
    height: 100%;
    object-fit: cover; 
}

.mentor-centered-container .member-card {
    max-width: 350px;
    width: 100%;
}

.member-card {
    background-color: var(--primary-bg);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: var(--transition-smooth);
}

.member-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent);
    box-shadow: 0 10px 30px var(--accent-glow);
}

.member-details { padding: 25px; }
.member-details h4 { color: var(--accent); font-size: 0.85rem; margin-bottom: 10px; }

.exec-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 15px; margin-top: 25px;
}

.exec-list li {
    font-weight: 600;
    background: rgba(255,255,255,0.03);
    padding: 15px 20px;
    border-radius: 8px;
    list-style: none;
    border: 1px solid var(--border-color);
}

/* =========================================
   6. EVENTS PAGE GRID
   ========================================= */
.event-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 30px;
}

.event-card {
    background-color: var(--secondary-bg);
    border-radius: 16px;
    overflow: hidden;
    cursor: pointer;
    border: 1px solid var(--border-color);
    transition: var(--transition-smooth);
}

.event-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent);
}

.card-img-top {
    width: 100%;
    height: 240px;
    object-fit: cover;
    display: block;
    border-radius: 16px 16px 0 0;
}

.event-card-details { padding: 25px; }

/* =========================================
   7. MODAL, SCROLLING & GALLERY
   ========================================= */
.modal-overlay {
    display: none; position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(15, 17, 21, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 2000;
    justify-content: center; align-items: center;
    opacity: 0; transition: var(--transition-smooth);
}

.modal-overlay.open { display: flex; opacity: 1; }

.modal-content {
    background-color: var(--secondary-bg);
    max-width: 700px;
    width: 90%;
    max-height: 85vh; /* Prevents going off screen */
    border-radius: 20px;
    border: 1px solid var(--border-color);
    padding: 40px;
    position: relative;
    transform: translateY(30px);
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column; /* Stacks title and description vertically */
    overflow: hidden; /* Stops whole box from scrolling */
}

.modal-overlay.open .modal-content { transform: translateY(0); }

.modal-close {
    position: absolute;
    top: 15px;
    right: 15px;
    font-size: 36px;
    cursor: pointer;
    color: var(--text-secondary);
    
    /* The Fixes: */
    z-index: 100;         /* Ensures it always stays on top of headings/images */
    width: 44px;          /* Clean mobile-friendly tap target width */
    height: 44px;         /* Clean mobile-friendly tap target height */
    display: flex;        /* Centers the '×' perfectly inside the tap target box */
    align-items: center;
    justify-content: center;
    line-height: 1;
    transition: var(--transition-smooth);
}

.modal-close:hover {
    color: var(--accent);
}

/* Targets the description to make it scrollable */
#modalDesc {
    overflow-y: auto;
    flex-grow: 1; 
    padding-right: 15px; 
    margin-top: 15px;
}

#modalDesc::-webkit-scrollbar { width: 6px; }
#modalDesc::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 3px; }

/* Image Gallery inside Modal */
.modal-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 12px;
    margin-bottom: 20px;
}

.modal-gallery img {
    width: 100%;
    height: 120px;
    object-fit: cover;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: transform 0.2s;
}

.modal-gallery img:hover { transform: scale(1.05); }

/* Full-Screen Lightbox */
.lightbox {
    display: none; position: fixed; z-index: 3000;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.95);
    justify-content: center; align-items: center;
}

.lightbox.open { display: flex; }
.lightbox img { max-width: 90%; max-height: 80%; border-radius: 8px; }

.lightbox-close {
    position: absolute; top: 20px; right: 30px;
    font-size: 40px; color: white; cursor: pointer;
}

/* =========================================
   8. PREMIUM FORMS PAGE
   ========================================= */
.apply-options-header { text-align: center; margin-bottom: 50px; }
.apply-options-header h2 { font-size: 3rem; }

.apply-buttons-group {
    display: flex; gap: 20px; justify-content: center;
    margin-bottom: 50px; background: transparent; box-shadow: none; padding: 0; border: none;
}

.form-box { max-width: 800px; margin: 0 auto; display: none; }
.form-box.active { display: block; animation: fadeInUp 0.5s forwards; }

.modern-form .form-row {
    display: grid; grid-template-columns: 1fr 1fr; gap: 25px; margin-bottom: 25px;
}

.modern-form label {
    font-size: 0.85rem; font-weight: 600; text-transform: uppercase;
    letter-spacing: 1px; margin-bottom: 10px; display: block; color: var(--text-secondary);
}

.modern-form .input-control {
    width: 100%;
    background-color: rgba(255,255,255,0.02);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 16px 20px;
    border-radius: 10px;
    font-size: 1rem;
    transition: var(--transition-smooth);
}

.modern-form .input-control:focus {
    outline: none;
    border-color: var(--accent);
    background-color: rgba(0, 229, 255, 0.05);
    box-shadow: 0 0 20px var(--accent-glow);
}

.modern-form select.input-control option {
    background-color: var(--secondary-bg); 
    color: var(--text-primary); 
}

.modern-form select.input-control {
    appearance: none; -webkit-appearance: none; cursor: pointer;
}

#responseMessage {
    display: none; margin-top: 30px; padding: 20px; border-radius: 10px;
    text-align: center; font-weight: 600;
}
#responseMessage.success { background: rgba(0, 230, 118, 0.1); color: #00e676; border: 1px solid #00e676; }
#responseMessage.error { background: rgba(255, 23, 68, 0.1); color: #ff1744; border: 1px solid #ff1744; }

/* =========================================
   9. FOOTER
   ========================================= */
footer {
    background-color: var(--secondary-bg);
    padding: 30px 5%; text-align: center;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary); margin-top: auto;
}

/* =========================================
   10. PERFECTED MOBILE RESPONSIVENESS
   ========================================= */
@media screen and (max-width: 1024px) {
    .slide-content h3 { font-size: 2.5rem; }
}

@media screen and (max-width: 768px) {
    main { padding-top: 100px; }
    h2 { font-size: 2rem; }
    
    .menu-toggle { display: flex; }

    .nav-links {
        position: fixed; top: 0; right: 0;
        height: 100vh; width: 75%;
        background: rgba(15, 17, 21, 0.95);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column; justify-content: center; align-items: center;
        transform: translateX(100%);
        transition: transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
        border-left: 1px solid var(--border-color);
        box-shadow: -10px 0 30px rgba(0,0,0,0.5);
    }

    .nav-links.active { transform: translateX(0); }
    .nav-links li a { font-size: 1.3rem; }

    .menu-toggle.active .bar:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
    .menu-toggle.active .bar:nth-child(2) { opacity: 0; }
    .menu-toggle.active .bar:nth-child(3) { transform: rotate(-45deg) translate(6px, -6px); }

    .slider-container { height: 50vh; min-height: 350px; }
    .slide-content h3 { font-size: 1.8rem; }
    
    .apply-options-header h2 { font-size: 2.2rem; }
    
    .btn { width: 100%; padding: 16px; margin-bottom: 10px; }
    .apply-buttons-group { flex-direction: column; }
}

@media screen and (max-width: 480px) {
    .section-box { padding: 25px 20px; }
    .modern-form .form-row { grid-template-columns: 1fr; gap: 0; margin-bottom: 0; }
    .modern-form .form-group { margin-bottom: 25px; }
    .member-img-container { height: 200px; }
}