/* ========== CSS VARIABLES ========== */
:root {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --accent-color: #6366f1;
    --accent-hover: #818cf8;
    --card-bg: #1e293b;
    --icon-bg: #1e293b;
    --border-color: #334155;
}

/* ========== GLOBAL ========== */
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: 'Poppins', 'Inter', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    overflow-x: hidden;
}
a { color: var(--accent-color); text-decoration: none; }

/* ========== SOCIAL SIDEBAR ========== */
.social-sidebar {
    position: fixed; left: 20px; top: 50%; transform: translateY(-50%);
    display: flex; flex-direction: column; gap: 20px; z-index: 1000;
}
.social-sidebar a { color: var(--text-secondary); font-size: 1.4rem; transition: 0.3s; }
.social-sidebar a:hover { color: var(--accent-color); transform: translateY(-3px); }

/* ========== WRAPPER & HEADER ========== */
.wrapper { max-width: 1200px; margin: 0 auto; padding: 0 2rem; }
header { padding: 1.5rem 0; }
nav { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; }
.logo { font-size: 1.5rem; font-weight: 700; color: var(--text-primary); }
.logo span { color: var(--accent-color); }
.nav-links { display: flex; list-style: none; gap: 2rem; }
.nav-links a { color: var(--text-secondary); font-weight: 500; transition: color 0.3s; position: relative; }
.nav-links a:hover, .nav-links a.active { color: var(--accent-color); }
.nav-links a.active::after {
    content: ''; position: absolute; bottom: -5px; left: 0;
    width: 100%; height: 3px; background: var(--accent-color); border-radius: 2px;
}
.hamburger { display: none; cursor: pointer; color: var(--text-primary); font-size: 1.5rem; }

/* ========== HERO SECTION ========== */
.hero { display: flex; align-items: center; justify-content: space-between; min-height: 80vh; padding: 2rem 0; gap: 3rem; flex-wrap: wrap; }
.hero-content { flex: 1 1 500px; }
.greeting { color: var(--accent-color); font-weight: 600; letter-spacing: 2px; font-size: 0.9rem; text-transform: uppercase; }
.hero h1 { font-size: 3.5rem; font-weight: 800; margin: 10px 0; }
.typing-text { font-size: 2rem; margin-bottom: 1rem; }
.typing-text span { color: var(--accent-color); }
.hero p { color: var(--text-secondary); line-height: 1.8; margin-bottom: 2rem; max-width: 600px; }
.hero-buttons { display: flex; gap: 15px; flex-wrap: wrap; }

/* ========== BUTTONS ========== */
.btn-primary {
    background: var(--accent-color); color: white; padding: 12px 28px; border-radius: 30px;
    font-weight: 600; display: inline-flex; align-items: center; gap: 8px; transition: 0.3s;
}
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-3px); box-shadow: 0 10px 20px rgba(99,102,241,0.3); }
.btn-secondary {
    background: transparent; border: 2px solid var(--accent-color); color: var(--accent-color);
    padding: 12px 28px; border-radius: 30px; font-weight: 600; display: inline-flex; align-items: center; gap: 8px; transition: 0.3s;
}
.btn-secondary:hover { background: var(--accent-color); color: white; transform: translateY(-3px); }

/* ========== HERO VISUAL ========== */
.hero-visual { position: relative; flex: 1 1 300px; display: flex; justify-content: center; align-items: center; }
.avatar-wrapper { width: 280px; height: 280px; border-radius: 50%; background: linear-gradient(135deg, var(--accent-color), #a78bfa); padding: 5px; animation: float 6s ease-in-out infinite; }
.avatar { width: 100%; height: 100%; border-radius: 50%; object-fit: cover; border: 4px solid var(--bg-primary); }
.float-icon { position: absolute; font-size: 2rem; color: var(--accent-color); animation: floatIcon 4s ease-in-out infinite; }
.icon-1 { top: 10%; left: 5%; animation-delay: 0s; }
.icon-2 { top: 70%; left: 0; animation-delay: 1s; }
.icon-3 { top: 20%; right: 5%; animation-delay: 2s; }
.icon-4 { bottom: 10%; right: 10%; animation-delay: 0.5s; }
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-20px); } }
@keyframes floatIcon { 0%,100% { transform: translateY(0) rotate(0deg); } 50% { transform: translateY(-15px) rotate(10deg); } }

/* ========== CONTENT SECTIONS ========== */
.content-section { padding-bottom: 3rem; }
.section-header { text-align: center; margin-bottom: 3rem; }
.section-header h1 { font-size: 2.5rem; }
.section-header p { color: var(--text-secondary); }
.info-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; }
.card { background: var(--card-bg); border: 1px solid var(--border-color); border-radius: 15px; padding: 30px; transition: transform 0.3s, box-shadow 0.3s; }
.card:hover { transform: translateY(-5px); box-shadow: 0 20px 40px rgba(0,0,0,0.1); }
.card-icon { font-size: 2rem; color: var(--accent-color); margin-bottom: 1rem; }
.card h2 { font-size: 1.4rem; margin-bottom: 0.5rem; }
.card h3 { font-size: 1rem; color: var(--text-secondary); margin-bottom: 0.5rem; }
.card p { color: var(--text-secondary); line-height: 1.6; }
.card-subtitle { color: var(--accent-color) !important; font-weight: 500; }
.card-links { margin-top: 1.5rem; display: flex; flex-wrap: wrap; gap: 1rem; }
.card-links a { font-weight: 600; }
.tech-stack { color: var(--accent-color); font-weight: 600; font-size: 0.9rem; margin: 8px 0; }
.contact-card { text-align: center; }
.contact-link { font-size: 1.1rem; color: var(--accent-color); word-break: break-word; }
.statement { font-size: 1.1rem; font-style: italic; }

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
    .social-sidebar { display: none; }
    .nav-links { display: none; position: absolute; top: 80px; left: 0; width: 100%; background: var(--bg-primary); flex-direction: column; padding: 2rem; gap: 1.5rem; border-bottom: 1px solid var(--border-color); }
    .nav-links.active { display: flex; }
    .hamburger { display: block; }
    .hero { flex-direction: column; text-align: center; }
    .hero h1 { font-size: 2.5rem; }
    .hero-buttons { justify-content: center; }
    .info-grid { grid-template-columns: 1fr; }
}