:root {
    --bg: #F8FAFC;
    --text: #262626;
    --accent: #2563EB;
    --card-bg: #FFFFFF;
    --border: #E2E8F0;
    --max-width: 1440px;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 5%;
}

/* Navigation */
.glass-nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(248, 250, 252, 0.85);
    backdrop-filter: blur(15px);
    z-index: 1000;
    border-bottom: 1px solid var(--border);
}

.nav-content {
    height: 90px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-weight: 700;
    font-size: 1.6rem;
    letter-spacing: -1px;
}

.logo span { color: var(--accent); }

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

.nav-links a {
    text-decoration: none;
    color: var(--text);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.3s;
}

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

/* Hero */
.hero {
    padding: 220px 0 140px;
    background: radial-gradient(circle at 90% 10%, #EEF2FF 0%, transparent 40%);
}

.hero-content { max-width: 850px; }

.badge {
    background: #DBEAFE;
    color: var(--accent);
    padding: 8px 18px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 25px;
    display: inline-block;
}

h1 {
    font-size: clamp(2.8rem, 6vw, 4.5rem);
    line-height: 1.1;
    margin-bottom: 25px;
    letter-spacing: -2.5px;
}

.lead {
    font-size: 1.6rem;
    font-weight: 300;
    color: #475569;
    margin-bottom: 20px;
}

.description {
    font-size: 1.15rem;
    color: #64748B;
    margin-bottom: 45px;
    max-width: 700px;
}

/* Button Group */
.cta-group {
    display: flex;
    gap: 16px;
    align-items: center;
}

.btn {
    padding: 16px 32px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    display: inline-block;
    transition: all 0.3s ease;
    text-align: center;
    white-space: nowrap;
}

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

.btn:hover { transform: translateY(-3px); box-shadow: 0 12px 20px -5px rgba(0,0,0,0.1); }

/* General Sections */
.section { padding: 120px 0; }
.section-title {
    font-size: 2.5rem;
    margin-bottom: 80px;
    text-align: center;
    letter-spacing: -1px;
}

/* Timeline */
.timeline {
    max-width: 900px;
    margin: 0 auto;
    border-left: 2px solid var(--border);
    padding-left: 50px;
    position: relative;
}

.timeline-item { position: relative; margin-bottom: 70px; }
.timeline-dot {
    position: absolute;
    left: -59px;
    top: 5px;
    width: 16px;
    height: 16px;
    background: var(--accent);
    border-radius: 50%;
    border: 4px solid var(--bg);
}

.time-tag { font-size: 0.9rem; font-weight: 700; color: var(--accent); }
.timeline-content h3 { font-size: 1.5rem; margin: 8px 0; }
.location { color: #64748B; font-weight: 500; margin-bottom: 12px; }

/* Grid & Cards */
.grid-layout {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.glass-card {
    background: white;
    padding: 50px;
    border-radius: 24px;
    border: 1px solid var(--border);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.glass-card:hover { 
    border-color: var(--accent); 
    transform: translateY(-10px);
    box-shadow: 0 20px 40px -10px rgba(0,0,0,0.05);
}

.card-icon { font-size: 2.5rem; margin-bottom: 25px; display: block; }
.stats { font-weight: 700; color: var(--accent); margin-top: 15px; }
.skill-list { list-style: none; margin-top: 20px; }
.skill-list li { margin-bottom: 12px; color: #475569; position: relative; padding-left: 20px; }
.skill-list li::before { content: '•'; color: var(--accent); position: absolute; left: 0; font-weight: bold; }

/* Contact Section */
.contact-section {
    background: #ffffff;
    border-radius: 40px;
    margin-bottom: 60px;
    text-align: center;
}

.contact-card {
    max-width: 700px;
    margin: 0 auto;
    padding: 0 20px;
}

.contact-lead {
    font-size: 1.4rem;
    margin-bottom: 40px;
    color: #475569;
}

.contact-details { margin-bottom: 40px; font-size: 1.1rem; }
.contact-details p { margin-bottom: 10px; }

.mail-btn {
    background: var(--accent);
    color: white;
    padding: 20px 45px;
    border-radius: 100px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    transition: all 0.3s ease;
    max-width: 100%;
}

.mail-btn:hover {
    background: #1d4ed8;
    transform: scale(1.05);
    box-shadow: 0 15px 30px rgba(37, 99, 235, 0.2);
}

/* Footer */
.footer {
    padding: 60px 0;
    border-top: 1px solid var(--border);
    text-align: center;
    color: #94A3B8;
    font-size: 0.95rem;
}

/* Responsive Updates */
@media (max-width: 1024px) {
    .nav-links { display: none; }
    .hero { padding: 160px 0 100px; }
}

@media (max-width: 768px) {
    h1 { font-size: 2.5rem; }
    
    .hero { text-align: center; }
    .hero-content {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    .description { margin-left: auto; margin-right: auto; }

    /* Fix for 2 buttons on 1 line on mobile */
    .cta-group {
        width: 100%;
        justify-content: center;
        gap: 8px;
    }
    .btn {
        padding: 12px 16px;
        font-size: 0.85rem;
        flex: 1;
        max-width: 160px;
    }

    /* Fix for Contact Email Button on Mobile */
    .mail-btn {
        padding: 15px 25px;
        font-size: 0.9rem;
        width: auto;
        word-break: break-all;
    }

    .glass-card { padding: 30px; }
    .timeline { padding-left: 30px; }
    .timeline-dot { left: -39px; }
}

@media (max-width: 380px) {
    .btn {
        font-size: 0.75rem;
        padding: 10px 8px;
    }
    .mail-btn {
        font-size: 0.8rem;
        padding: 12px 20px;
    }
}