/* Color Variables - Matching Your Logo */
:root {
    --y3ti-red: #E63946;
    --y3ti-blue: #1E40AF;
    --y3ti-black: #0F172A;
    --y3ti-white: #FFFFFF;
    --y3ti-gray: #111827;
    --y3ti-light-gray: #6B7280;
    --y3ti-accent: #10B981;
    --y3ti-dark-blue: #1a365d;
    --y3ti-gold: #F59E0B;
    --y3ti-green: #059669;
    --y3ti-orange: #EA580C;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--y3ti-black);
    color: var(--y3ti-white);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* Background Effect */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 80%, rgba(30, 64, 175, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(230, 57, 70, 0.1) 0%, transparent 50%);
    z-index: -2;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation Styles */
.navbar {
    background-color: rgba(15, 23, 42, 0.95);
    padding: 1rem 0;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav-logo {
    height: 40px;
    width: auto;
}

.nav-title {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--y3ti-white);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: var(--y3ti-light-gray);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--y3ti-blue);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--y3ti-blue);
}

/* Portfolio Header */
.portfolio-header {
    padding: 8rem 0 4rem;
    margin-top: 70px;
    background: linear-gradient(135deg, var(--y3ti-red), var(--y3ti-blue));
    position: relative;
    overflow: hidden;
}

.portfolio-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    z-index: 1;
}

.header-content {
    position: relative;
    z-index: 2;
    text-align: center;
}

.header-content h1 {
    font-size: 4rem;
    font-weight: 900;
    color: var(--y3ti-white);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    font-family: 'Courier New', monospace;
    margin-bottom: 1rem;
}

.header-content p {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 300;
}

/* Performance Overview */
.performance-overview {
    padding: 5rem 0;
    background-color: rgba(15, 23, 42, 0.8);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--y3ti-white);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.stat-card {
    background: var(--y3ti-gray);
    padding: 2.5rem 2rem;
    border-radius: 16px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s;
}

.stat-card:hover::before {
    left: 100%;
}

.stat-card:hover {
    transform: translateY(-10px);
    border-color: var(--y3ti-blue);
    box-shadow: 0 20px 40px rgba(30, 64, 175, 0.2);
}

.stat-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--y3ti-blue);
    margin-bottom: 0.5rem;
    display: block;
}

.stat-label {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--y3ti-white);
    margin-bottom: 0.5rem;
}

.stat-description {
    font-size: 0.9rem;
    color: var(--y3ti-light-gray);
}



/* Past Achievements */
.past-achievements {
    padding: 5rem 0;
    background-color: rgba(15, 23, 42, 0.8);
}

.achievements-table-container {
    overflow-x: auto;
    margin-top: 2rem;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.achievements-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--y3ti-gray);
}

.achievements-table th {
    background: var(--y3ti-black);
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    color: var(--y3ti-white);
    border-bottom: 2px solid var(--y3ti-blue);
}

.achievements-table td {
    padding: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--y3ti-white);
}

.achievement-row:hover {
    background: rgba(30, 64, 175, 0.1);
}

.rank-badge {
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

.rank-excellent {
    background: var(--y3ti-gold);
    color: var(--y3ti-black);
}

.rank-good {
    background: var(--y3ti-green);
    color: var(--y3ti-white);
}

.rank-average {
    background: var(--y3ti-orange);
    color: var(--y3ti-white);
}

.performance-badge {
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
}

.performance-badge.excellent {
    background: var(--y3ti-gold);
    color: var(--y3ti-black);
}

.performance-badge.good {
    background: var(--y3ti-green);
    color: var(--y3ti-white);
}

.performance-badge.average {
    background: var(--y3ti-orange);
    color: var(--y3ti-white);
}

/* Team Recognition */
.team-recognition {
    padding: 5rem 0;
}

.recognition-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    align-items: start;
}

.recognition-text h3 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--y3ti-blue);
    margin-bottom: 1rem;
}

.recognition-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
}

.highlights {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.highlight-item {
    background: var(--y3ti-gray);
    padding: 1.5rem;
    border-radius: 8px;
    border-left: 4px solid var(--y3ti-accent);
}

.highlight-item h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--y3ti-white);
    margin-bottom: 0.5rem;
}

.highlight-item p {
    font-size: 0.9rem;
    color: var(--y3ti-light-gray);
    margin: 0;
}

.ctftime-badge {
    background: linear-gradient(135deg, var(--y3ti-red), var(--y3ti-blue));
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    height: fit-content;
}

.ctftime-badge h4 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--y3ti-white);
    margin-bottom: 1rem;
}

.ctftime-badge p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 1.5rem;
}

.ctftime-link {
    display: inline-block;
    background: var(--y3ti-white);
    color: var(--y3ti-black);
    padding: 0.8rem 1.5rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.ctftime-link:hover {
    background: #f3f4f6;
    transform: translateY(-2px);
}

/* Footer */
.footer {
    background-color: var(--y3ti-black);
    padding: 2rem 0;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer p {
    color: var(--y3ti-light-gray);
    font-size: 0.9rem;
}

/* Mobile Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.bar {
    width: 25px;
    height: 3px;
    background-color: var(--y3ti-white);
    transition: 0.3s;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--y3ti-black);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        padding: 2rem 0;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
    }

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

    .nav-menu li {
        margin: 1rem 0;
    }

    .hamburger {
        display: flex;
    }

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

    .hamburger.active .bar:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }

    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    .header-content h1 {
        font-size: 2.5rem;
    }

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

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

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

    .recognition-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .achievements-table-container {
        font-size: 0.9rem;
    }

    .achievements-table th,
    .achievements-table td {
        padding: 0.8rem 0.5rem;
    }
}

@media (max-width: 480px) {
    .header-content h1 {
        font-size: 2rem;
    }

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

    .event-card {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }

    .achievements-table-container {
        font-size: 0.8rem;
    }

    .achievements-table th,
    .achievements-table td {
        padding: 0.6rem 0.3rem;
    }
}