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

:root {
    /* Color Palette - Dark IT Theme */
    --primary-color: #FF7710;
    --primary-dark: #E66600;
    --primary-light: #FFA652;
    --neon-orange: #FF8C00;
    --neon-blue: #00D9FF;
    --neon-purple: #B537FF;

    /* Dark Backgrounds */
    --bg-black: #000000;
    --bg-dark: #0A0A0A;
    --bg-darker: #0F0F0F;
    --bg-card: #1A1A1A;
    --bg-card-hover: #222222;

    /* Text Colors */
    --text-white: #FFFFFF;
    --text-gray: #B0B0B0;
    --text-light: #808080;
    --text-dark: #606060;

    /* Border & Lines */
    --border-color: #2A2A2A;
    --border-glow: rgba(255, 119, 16, 0.3);

    /* Spacing */
    --section-padding: 100px 0;
    --container-padding: 0 20px;

    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", sans-serif;
    --font-size-base: 16px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Shadows & Glows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.5);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.6);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.8);
    --glow-primary: 0 0 20px rgba(255, 119, 16, 0.5);
    --glow-strong: 0 0 30px rgba(255, 119, 16, 0.8);
}

html {
    scroll-behavior: smooth;
    font-size: var(--font-size-base);
}

body {
    font-family: var(--font-primary);
    color: var(--text-gray);
    background-color: var(--bg-black);
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-base);
}

ul {
    list-style: none;
}

/* ===================================
   Header & Navigation
   =================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.8);
    z-index: 1000;
    transition: var(--transition-base);
}

.header.scrolled {
    background: rgba(0, 0, 0, 0.98);
    border-bottom-color: var(--border-glow);
    box-shadow: 0 4px 24px rgba(255, 119, 16, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-icon {
    height: 32px;
    width: auto;
    display: block;
}

.logo-text {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-white);
    letter-spacing: 0.5px;
}

.logo-separator {
    font-size: 1.3rem;
    font-weight: 300;
    color: var(--primary-color);
    margin: 0 4px;
}

.logo-university {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: 0.5px;
    text-shadow: var(--glow-primary);
}

.nav-menu {
    display: flex;
    gap: 40px;
    align-items: center;
}

.nav-menu li a {
    font-weight: 500;
    color: var(--text-gray);
    position: relative;
    padding: 8px 0;
    transition: var(--transition-base);
}

.nav-menu li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    box-shadow: var(--glow-primary);
    transition: var(--transition-base);
}

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

.nav-menu li a:hover::after,
.nav-menu li a.active::after {
    width: 100%;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--text-gray);
    transition: var(--transition-base);
    border-radius: 2px;
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    margin-top: 70px;
    min-height: calc(100vh - 70px);
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(ellipse at top, #1a0a00 0%, #000000 50%, #000000 100%);
    position: relative;
    overflow: hidden;
    padding: 60px 20px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        linear-gradient(90deg, transparent 0%, rgba(255, 119, 16, 0.03) 50%, transparent 100%),
        repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(255, 119, 16, 0.05) 2px, rgba(255, 119, 16, 0.05) 4px);
    pointer-events: none;
}

.hero-content {
    max-width: 1200px;
    text-align: center;
    z-index: 2;
    animation: fadeInUp 1s ease;
}

.hero-logo {
    margin-bottom: 10px;
    animation: fadeInUp 0.8s ease, float 6s ease-in-out 1s infinite;
}

.hero-logo img {
    width: 420px;
    height: 330px;
    margin: 0 auto;
    /* Bright Orange Color Effect */
    filter:
        brightness(1.4)
        contrast(1.05)
        hue-rotate(150deg)
        saturate(1.3)
        drop-shadow(0 0 40px rgba(255, 119, 16, 0.6))
        drop-shadow(0 0 80px rgba(255, 119, 16, 0.3));
    transition: var(--transition-base);
}

.hero-logo img:hover {
    filter:
        brightness(1.5)
        contrast(1.1)
        hue-rotate(150deg)
        saturate(1.4)
        drop-shadow(0 0 50px rgba(255, 119, 16, 0.8))
        drop-shadow(0 0 100px rgba(255, 119, 16, 0.5));
    transform: scale(1.05);
}

.hero-subtitle {
    display: block;
    font-size: 1.1rem;
    color: var(--primary-color);
    margin-bottom: 20px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--text-white);
    margin-bottom: 28px;
    line-height: 1.2;
    letter-spacing: -1px;
}

.hero-title span {
    color: var(--primary-color);
    text-shadow: var(--glow-strong);
}

.hero-description {
    font-size: 1.3rem;
    color: var(--text-gray);
    margin-bottom: 45px;
    line-height: 1.6;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.cta-button {
    display: inline-block;
    padding: 16px 48px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    font-size: 1.125rem;
    font-weight: 600;
    border-radius: 50px;
    border: 2px solid var(--primary-color);
    transition: var(--transition-base);
    box-shadow: var(--glow-primary);
    position: relative;
    overflow: hidden;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: var(--transition-slow);
}

.cta-button:hover::before {
    left: 100%;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--glow-strong), 0 8px 32px rgba(255, 119, 16, 0.6);
    border-color: var(--primary-light);
}

.hero-decoration {
    position: absolute;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255, 119, 16, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    top: -250px;
    right: -250px;
    z-index: 1;
    animation: float 6s ease-in-out infinite;
    filter: blur(60px);
}

.hero-decoration::after {
    content: '';
    position: absolute;
    bottom: -400px;
    left: -400px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 217, 255, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(80px);
    animation: float 8s ease-in-out infinite reverse;
}

/* ===================================
   Section Base Styles
   =================================== */
.section {
    padding: var(--section-padding);
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.section.visible {
    opacity: 1;
    transform: translateY(0);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-white);
    margin-bottom: 16px;
    text-align: center;
    position: relative;
    display: inline-block;
    width: 100%;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
    box-shadow: var(--glow-primary);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-gray);
    text-align: center;
    margin-bottom: 60px;
}

/* ===================================
   About Section
   =================================== */
.about {
    background-color: var(--bg-dark);
    position: relative;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-color), transparent);
}

.about-content {
    max-width: 1000px;
    margin: 0 auto;
}

.about-text {
    margin-bottom: 0;
    max-width: 1100px;
    margin-left: auto;
    margin-right: auto;
}

.about-description {
    font-size: 1.125rem;
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 16px;
}

/* Code Window */
.code-window {
    background-color: #0d1117;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.6);
    transition: var(--transition-base);
    position: relative;
}

.code-window::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 119, 16, 0.1), transparent);
    animation: codeScan 3s ease-in-out infinite;
}

@keyframes codeScan {
    0% {
        left: -100%;
    }
    50% {
        left: 100%;
    }
    100% {
        left: 100%;
    }
}

.code-window:hover {
    border-color: var(--primary-color);
    box-shadow: var(--glow-primary), 0 12px 48px rgba(0, 0, 0, 0.8);
    transform: translateY(-4px);
}

.code-window:hover::after {
    animation: none;
}

.code-header {
    background: linear-gradient(to bottom, #161b22 0%, #0d1117 100%);
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid var(--border-color);
}

.code-dots {
    display: flex;
    gap: 10px;
}

.code-dots span {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    display: block;
}

.code-dots span:nth-child(1) {
    background-color: #ff5f56;
    box-shadow: 0 0 8px rgba(255, 95, 86, 0.6);
}

.code-dots span:nth-child(2) {
    background-color: #ffbd2e;
    box-shadow: 0 0 8px rgba(255, 189, 46, 0.6);
}

.code-dots span:nth-child(3) {
    background-color: #27c93f;
    box-shadow: 0 0 8px rgba(39, 201, 63, 0.6);
}

.code-title {
    color: var(--text-gray);
    font-size: 0.95rem;
    font-family: 'Courier New', monospace;
    font-weight: 500;
}

.code-body {
    padding: 40px 48px;
    overflow-x: auto;
    text-align: left;
}

.code-body pre {
    margin: 0;
    font-family: 'Courier New', 'Monaco', 'Menlo', monospace;
    font-size: 1.1rem;
    line-height: 2;
    text-align: left;
}

.code-body code {
    color: #e6edf3;
    display: block;
    text-align: left;
}

/* Code Syntax Highlighting */
.code-comment {
    color: #8b949e;
    font-style: italic;
}

.code-keyword {
    color: #ff7b72;
    font-weight: 600;
}

.code-class {
    color: #ffa657;
    font-weight: 600;
}

.code-function {
    color: #d2a8ff;
    font-weight: 600;
}

.code-string {
    color: #a5d6ff;
}

.code-highlight {
    color: #FF7710;
    font-weight: 700;
    font-size: 1.4em;
    text-shadow: 0 0 15px rgba(255, 119, 16, 0.7),
                 0 0 25px rgba(255, 119, 16, 0.4);
}

/* Scrollbar for code */
.code-body::-webkit-scrollbar {
    height: 8px;
}

.code-body::-webkit-scrollbar-track {
    background: var(--bg-darker);
}

.code-body::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

.code-body::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}

.about-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-card {
    text-align: center;
    padding: 40px 30px;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
    opacity: 0;
    transition: var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-8px);
    background-color: var(--bg-card-hover);
    border-color: var(--primary-color);
    box-shadow: var(--glow-primary), var(--shadow-lg);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-white);
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--text-gray);
    line-height: 1.6;
}

/* ===================================
   Activities Section
   =================================== */
.activities {
    background-color: var(--bg-black);
    position: relative;
}

.activities::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-color), transparent);
}

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

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

.activity-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary-color);
    box-shadow: var(--glow-primary), var(--shadow-lg);
}

.activity-image {
    width: 100%;
    height: 220px;
    overflow: hidden;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary-color) 100%);
    position: relative;
}

.activity-image.placeholder::after {
    content: '📸';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 4rem;
    opacity: 0.5;
}

.activity-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.activity-card:hover .activity-image img {
    transform: scale(1.1);
}

.activity-content {
    padding: 30px;
}

.activity-content h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-white);
    margin-bottom: 12px;
}

.activity-content p {
    color: var(--text-gray);
    line-height: 1.7;
    margin-bottom: 16px;
}

.activity-tag {
    display: inline-block;
    padding: 6px 16px;
    background-color: rgba(255, 119, 16, 0.1);
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: 20px;
}

/* ===================================
   Team Section
   =================================== */
.team {
    background-color: var(--bg-dark);
    position: relative;
}

.team::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-color), transparent);
}

.team-tabs {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 50px;
}

.team-tab {
    padding: 12px 32px;
    background-color: var(--bg-card);
    color: var(--text-gray);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-base);
}

.team-tab:hover {
    background-color: var(--bg-card-hover);
    border-color: var(--primary-color);
    color: var(--text-white);
}

.team-tab.active {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    border-color: var(--primary-color);
    color: white;
    box-shadow: var(--glow-primary);
}

.team-content {
    display: none;
    animation: fadeIn 0.5s ease;
}

.team-content.active {
    display: block;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 30px;
}

.member-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    transition: var(--transition-base);
    text-align: center;
}

.member-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary-color);
    box-shadow: var(--glow-primary), var(--shadow-lg);
}

.member-image {
    width: 100%;
    height: 280px;
    overflow: hidden;
    background: linear-gradient(135deg, var(--bg-darker) 0%, var(--bg-card) 100%);
    position: relative;
}

.member-image.placeholder::after {
    content: '👤';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 5rem;
    opacity: 0.3;
}

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

.member-info {
    padding: 24px;
}

.member-name {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-white);
    margin-bottom: 8px;
}

.member-role {
    font-size: 1rem;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 4px;
}

.member-major {
    font-size: 0.9rem;
    color: var(--text-light);
}

/* ===================================
   Recruit Section
   =================================== */
.recruit {
    background: radial-gradient(ellipse at center, #1a0a00 0%, #000000 70%);
    position: relative;
}

.recruit::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-color), transparent);
}

.recruit-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    max-width: 1100px;
    margin: 0 auto;
}

.recruit-info {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.info-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 32px;
    border-radius: 16px;
    transition: var(--transition-base);
}

.info-card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--glow-primary);
}

.info-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-white);
    margin-bottom: 16px;
}

.info-highlight {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.info-detail {
    color: var(--text-gray);
    font-size: 1rem;
}

.recruit-tracks {
    list-style: none;
    padding: 0;
}

.recruit-tracks li {
    padding: 12px 0;
    color: var(--text-gray);
    border-bottom: 1px solid var(--border-color);
}

.recruit-tracks li:last-child {
    border-bottom: none;
}

.recruit-tracks strong {
    color: var(--primary-color);
    font-weight: 600;
}

.recruit-steps {
    list-style: none;
    counter-reset: step-counter;
    padding: 0;
}

.recruit-steps li {
    counter-increment: step-counter;
    position: relative;
    padding-left: 36px;
    margin-bottom: 16px;
    color: var(--text-gray);
}

.recruit-steps li::before {
    content: counter(step-counter);
    position: absolute;
    left: 0;
    top: 0;
    width: 24px;
    height: 24px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    font-weight: 600;
}

.recruit-cta {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.cta-box {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 48px 40px;
    border-radius: 20px;
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.cta-box h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.cta-box > p {
    font-size: 1.125rem;
    margin-bottom: 32px;
    opacity: 0.95;
}

.apply-button {
    display: inline-block;
    padding: 16px 48px;
    background-color: var(--bg-black);
    color: var(--primary-color);
    font-size: 1.125rem;
    font-weight: 700;
    border: 2px solid var(--primary-color);
    border-radius: 50px;
    transition: var(--transition-base);
    box-shadow: var(--glow-primary);
    position: relative;
    overflow: hidden;
}

.apply-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 119, 16, 0.3), transparent);
    transition: var(--transition-slow);
}

.apply-button:hover::before {
    left: 100%;
}

.apply-button:hover {
    transform: translateY(-2px);
    background-color: var(--primary-color);
    color: white;
    box-shadow: var(--glow-strong), 0 8px 32px rgba(255, 119, 16, 0.6);
}

.cta-note {
    font-size: 0.875rem;
    margin-top: 20px;
    opacity: 0.8;
}

.contact-info {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 32px;
    border-radius: 16px;
    transition: var(--transition-base);
}

.contact-info:hover {
    border-color: var(--primary-color);
    box-shadow: var(--glow-primary);
}

.contact-info h4 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-white);
    margin-bottom: 20px;
}

.contact-info p {
    color: var(--text-gray);
    margin-bottom: 12px;
    font-size: 1rem;
}

/* ===================================
   Footer
   =================================== */
.footer {
    background-color: var(--bg-black);
    border-top: 1px solid var(--border-color);
    color: white;
    padding: 60px 0 30px;
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
    box-shadow: var(--glow-primary);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    margin-bottom: 40px;
}

.footer-logo-text {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
}

.footer-logo-icon {
    height: 28px;
    width: auto;
    display: block;
}

.footer-logo p {
    color: rgba(255, 255, 255, 0.7);
    margin-left: 36px;
}

.footer-links {
    display: flex;
    gap: 80px;
}

.footer-col h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col ul li a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition-base);
}

.footer-col ul li a:hover {
    color: var(--primary-color);
    text-shadow: var(--glow-primary);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
}

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

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-100px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(100px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* ===================================
   Responsive Design
   =================================== */

/* Tablet */
@media (max-width: 968px) {
    .hero-logo img {
        width: 180\px;
        height: 180px;
    }

    .hero-logo {
        margin-bottom: 40px;
    }

    .hero-title {
        font-size: 2.8rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-description {
        font-size: 1.2rem;
    }

    .recruit-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-content {
        flex-direction: column;
        gap: 40px;
    }

    .code-body {
        padding: 32px 36px;
    }

    .code-body pre {
        font-size: 1rem;
    }
}

/* Mobile */
@media (max-width: 768px) {
    :root {
        --section-padding: 60px 0;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: var(--bg-black);
        border-right: 1px solid var(--border-color);
        flex-direction: column;
        justify-content: flex-start;
        padding: 40px 0;
        transition: var(--transition-base);
        box-shadow: var(--shadow-lg);
    }

    .nav-menu.active {
        left: 0;
    }

    .hamburger {
        display: flex;
    }

    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }

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

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

    .hero {
        min-height: auto;
        padding: 60px 20px;
    }

    .hero-logo img {
        width: 150px;
        height: 150px;
    }

    .hero-logo {
        margin-bottom: 35px;
    }

    .hero-title {
        font-size: 2.2rem;
    }

    .hero-subtitle {
        font-size: 0.95rem;
        margin-bottom: 16px;
    }

    .hero-description {
        font-size: 1.1rem;
        margin-bottom: 35px;
    }

    .section-title {
        font-size: 2rem;
    }

    .about-features {
        grid-template-columns: 1fr;
    }

    .activities-grid {
        grid-template-columns: 1fr;
    }

    .team-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    }

    .team-tabs {
        flex-wrap: wrap;
    }

    .footer-links {
        flex-direction: column;
        gap: 30px;
    }
}

@media (max-width: 480px) {
    .logo-icon {
        height: 26px;
    }

    .footer-logo-icon {
        height: 24px;
    }

    .logo-text,
    .logo-university {
        font-size: 0.9rem;
    }

    .logo-separator {
        font-size: 1.1rem;
    }

    .hero-logo img {
        width: 130px;
        height: 130px;
    }

    .hero-logo {
        margin-bottom: 30px;
    }

    .hero-title {
        font-size: 1.8rem;
    }

    .hero-subtitle {
        font-size: 0.85rem;
        margin-bottom: 14px;
    }

    .hero-description {
        font-size: 1rem;
        margin-bottom: 30px;
    }

    .cta-button {
        padding: 14px 36px;
        font-size: 1rem;
    }

    .team-grid {
        grid-template-columns: 1fr;
    }

    .code-body {
        padding: 24px 20px;
    }

    .code-body pre {
        font-size: 0.85rem;
        line-height: 1.8;
    }

    .code-title {
        font-size: 0.8rem;
    }

    .code-header {
        padding: 12px 16px;
    }

    .code-dots span {
        width: 12px;
        height: 12px;
    }
}