/* ===== Base ===== */
body {
    font-family: 'Tajawal', sans-serif;
    background-color: #f0f9ff;
    overflow-x: hidden;
}

/* ===== Floating Icons (Font Awesome) ===== */
.floating-icon {
    position: fixed;
    opacity: 0;
    animation: floatUp linear infinite;
    pointer-events: none;
    z-index: 0;
    color: #3b82f6;
}

.floating-icon:nth-child(even) {
    color: #8b5cf6;
}

.floating-icon:nth-child(3n) {
    color: #10b981;
}

@keyframes floatUp {
    0%   { transform: translateY(100vh) rotate(0deg);   opacity: 0; }
    8%   { opacity: 0.08; }
    92%  { opacity: 0.06; }
    100% { transform: translateY(-120px) rotate(20deg); opacity: 0; }
}

/* ===== Glass ===== */
.glass {
    background: rgba(255,255,255,0.7);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255,255,255,0.35);
    box-shadow: 0 8px 32px rgba(31,38,135,0.08);
    border-radius: 20px;
}

.dark .glass {
    background: rgba(30,41,59,0.7);
    border-color: rgba(30,41,59,0.35);
}

/* ===== Gradient Text ===== */
.grad-text {
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===== Cards ===== */
.card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-radius: 16px;
}
.card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 30px -8px rgba(59,130,246,0.25);
}

/* ===== Skill Badges ===== */
.skill-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 600;
    transition: transform 0.2s;
}
.skill-badge:hover { transform: scale(1.08); }

/* ===== Fade-in ===== */
.fade-section {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-section.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== Heartbeat ===== */
@keyframes heartbeat {
    0%,100% { transform: scale(1); }
    25%,75%  { transform: scale(1.15); }
}
.heartbeat { animation: heartbeat 1.5s infinite; display: inline-block; }

/* ===== Toggle ===== */
.toggle-dark {
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 9999px;
    transition: background 0.3s;
}
.toggle-dark:hover { background: rgba(59,130,246,0.1); }

/* ===== Bubbles ===== */
.bubble {
    position: fixed;
    border-radius: 50%;
    background: linear-gradient(to right,
        rgba(59,130,246,0.07),
        rgba(147,51,234,0.07));
    animation: bubbleFloat ease-in-out infinite;
    z-index: 0;
    pointer-events: none;
}
@keyframes bubbleFloat {
    0%,100% { transform: translateY(0) translateX(0); }
    50%      { transform: translateY(-30px) translateX(15px); }
}

/* ===== Nav ===== */
.nav-link {
    padding: 6px 14px;
    border-radius: 8px;
    transition: all 0.3s;
    font-size: 0.9rem;
}
.nav-link:hover,
.nav-link.active {
    background: linear-gradient(to right,
        rgba(59,130,246,0.15),
        rgba(139,92,246,0.15));
    color: #3b82f6;
    font-weight: 700;
}