/* ==========================================================================
   KHUONG.PRO.VN - PERSONAL PORTFOLIO & HUB
   Design System: Light Mode Premium Glassmorphism (Wow Aesthetics)
   ========================================================================== */

:root {
    --bg-base: #f8fafc;
    /* Soft premium gradient canvas with glowing aura */
    --bg-canvas: radial-gradient(circle at 50% 0%, #eef2ff 0%, #fef3c7 35%, #f8fafc 80%);
    
    /* True glassmorphism tokens */
    --glass-bg: rgba(255, 255, 255, 0.45);
    --glass-border: rgba(255, 255, 255, 0.6);
    --glass-border-hover: rgba(59, 130, 246, 0.35);
    
    /* Text high contrast values for readability */
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    
    /* Brand accents */
    --accent-blue: #2563eb;
    --accent-blue-hover: #1d4ed8;
    --accent-gold: #d97706;
    --accent-gold-hover: #b45309;
    
    /* Modern shadow systems (smooth & soft) */
    --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.02);
    --shadow-md: 0 10px 30px -10px rgba(15, 23, 42, 0.04), 0 1px 3px rgba(15, 23, 42, 0.02);
    --shadow-lg: 0 20px 40px -15px rgba(15, 23, 42, 0.06), 0 1px 5px rgba(15, 23, 42, 0.02);
    --shadow-hover: 0 25px 50px -12px rgba(37, 99, 235, 0.12);
    
    --font-sans: 'Outfit', 'Inter', system-ui, -apple-system, sans-serif;
}

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

body {
    font-family: var(--font-sans);
    background: var(--bg-base);
    background-image: var(--bg-canvas);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    overflow-x: hidden;
    line-height: 1.6;
    position: relative;
}

/* Background Glowing Orbs (Soft, elegant light mode blurs) */
.bg-orbs {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: -1;
    pointer-events: none;
}

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(130px);
    opacity: 0.45;
}

.orb-1 {
    top: -15%;
    left: 5%;
    width: 600px;
    height: 600px;
    background: #dbeafe; /* Light blue */
    animation: float-1 25s infinite alternate ease-in-out;
}

.orb-2 {
    top: 40%;
    right: -10%;
    width: 550px;
    height: 550px;
    background: #ffedd5; /* Light peach/orange */
    animation: float-2 30s infinite alternate-reverse ease-in-out;
}

.orb-3 {
    bottom: -10%;
    left: 15%;
    width: 400px;
    height: 400px;
    background: #fae8ff; /* Light purple */
    animation: float-1 20s infinite alternate-reverse ease-in-out;
}

@keyframes float-1 {
    0% { transform: translate(0px, 0px) scale(1); }
    50% { transform: translate(30px, 50px) scale(1.05); }
    100% { transform: translate(-20px, 20px) scale(0.95); }
}

@keyframes float-2 {
    0% { transform: translate(0px, 0px) scale(1); }
    50% { transform: translate(-40px, -30px) scale(1.08); }
    100% { transform: translate(30px, 40px) scale(0.95); }
}

/* Main Container */
.container {
    width: 100%;
    max-width: 680px;
    padding: 80px 24px 40px 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 32px;
    z-index: 10;
}

/* Profile Section */
.profile-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border-radius: 32px;
    padding: 50px 40px;
    width: 100%;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
    box-shadow: var(--shadow-lg), inset 0 1px 0 rgba(255, 255, 255, 0.8);
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.avatar-wrapper {
    position: relative;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    padding: 5px;
    background: linear-gradient(135deg, #3b82f6 0%, #6366f1 50%, #f59e0b 100%);
    box-shadow: 0 12px 30px rgba(59, 130, 246, 0.2);
    transition: transform 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.avatar-wrapper:hover {
    transform: scale(1.06) rotate(3deg);
}

.avatar {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid #fff;
    background: #f1f5f9;
}

/* Dynamic glow effect behind avatar */
.avatar-wrapper::after {
    content: '';
    position: absolute;
    inset: -3px;
    border-radius: 50%;
    background: inherit;
    z-index: -1;
    filter: blur(10px);
    opacity: 0.5;
    transition: opacity 0.3s ease;
}

.avatar-wrapper:hover::after {
    opacity: 0.8;
}

.profile-info {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.profile-info h1 {
    font-size: 2.6rem;
    font-weight: 800;
    letter-spacing: -1.2px;
    background: linear-gradient(135deg, #0f172a 30%, #1e3a8a 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1.2;
}

.profile-info .tagline {
    font-size: 0.9rem;
    color: var(--accent-blue);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-top: 4px;
    display: inline-block;
}

.profile-info .bio {
    color: var(--text-secondary);
    font-size: 0.98rem;
    max-width: 480px;
    margin: 12px auto 0 auto;
    font-weight: 500;
    line-height: 1.6;
}

/* Links Section */
.links-grid {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.link-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 24px;
    padding: 24px 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    text-decoration: none;
    color: var(--text-primary);
    box-shadow: var(--shadow-md), inset 0 1px 0 rgba(255, 255, 255, 0.7);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    opacity: 0;
    transform: translateY(20px);
}

/* Animation Delays for cascade entry */
.link-card:nth-child(1) {
    animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.15s forwards;
}

.link-card:nth-child(2) {
    animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.25s forwards;
}

.link-card:nth-child(3) {
    animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.35s forwards;
}

.link-card:hover {
    transform: translateY(-5px) scale(1.01);
    border-color: var(--glass-border-hover);
    box-shadow: var(--shadow-hover);
}

.link-content {
    display: flex;
    align-items: center;
    gap: 20px;
}

.link-icon {
    width: 52px;
    height: 52px;
    border-radius: 16px;
    background: #ffffff;
    border: 1px solid rgba(226, 232, 240, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.45rem;
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.03);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.link-text {
    display: flex;
    flex-direction: column;
    text-align: left;
    gap: 3px;
}

.link-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    transition: color 0.3s ease;
}

.link-desc {
    font-size: 0.88rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.arrow-icon {
    font-size: 0.95rem;
    color: #94a3b8;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.link-card:hover .arrow-icon {
    transform: translateX(6px);
}

/* Special Internal Hub Button Style */
.link-card.special-hub {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.05), rgba(99, 102, 241, 0.05));
    border-color: rgba(37, 99, 235, 0.15);
}

.link-card.special-hub:hover {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.09), rgba(99, 102, 241, 0.09));
    border-color: rgba(37, 99, 235, 0.45);
}

.link-card.special-hub .link-icon {
    color: var(--accent-blue);
    background: rgba(255, 255, 255, 0.9);
}

.link-card.special-hub:hover .link-icon {
    background: var(--accent-blue);
    color: #ffffff;
    border-color: var(--accent-blue);
    transform: scale(1.08) rotate(-5deg);
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.25);
}

.link-card.special-hub:hover .link-title {
    color: var(--accent-blue-hover);
}

.link-card.special-hub:hover .arrow-icon {
    color: var(--accent-blue);
}

/* Special CRM Button Style */
.link-card.special-crm {
    background: linear-gradient(135deg, rgba(217, 119, 6, 0.04), rgba(245, 158, 11, 0.04));
    border-color: rgba(217, 119, 6, 0.15);
}

.link-card.special-crm:hover {
    background: linear-gradient(135deg, rgba(217, 119, 6, 0.08), rgba(245, 158, 11, 0.08));
    border-color: rgba(217, 119, 6, 0.4);
}

.link-card.special-crm .link-icon {
    color: var(--accent-gold);
    background: rgba(255, 255, 255, 0.9);
}

.link-card.special-crm:hover .link-icon {
    background: var(--accent-gold);
    color: #ffffff;
    border-color: var(--accent-gold);
    transform: scale(1.08) rotate(5deg);
    box-shadow: 0 8px 20px rgba(217, 119, 6, 0.25);
}

.link-card.special-crm:hover .link-title {
    color: var(--accent-gold-hover);
}

.link-card.special-crm:hover .arrow-icon {
    color: var(--accent-gold);
}

/* Special Career Button Style */
.link-card.special-career {
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.04), rgba(217, 119, 6, 0.04));
    border-color: rgba(255, 107, 53, 0.15);
}

.link-card.special-career:hover {
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.08), rgba(217, 119, 6, 0.08));
    border-color: rgba(255, 107, 53, 0.45);
}

.link-card.special-career .link-icon {
    color: #ff6b35;
    background: rgba(255, 255, 255, 0.9);
}

.link-card.special-career:hover .link-icon {
    background: #ff6b35;
    color: #ffffff;
    border-color: #ff6b35;
    transform: scale(1.08) rotate(-5deg);
    box-shadow: 0 8px 20px rgba(255, 107, 53, 0.25);
}

.link-card.special-career:hover .link-title {
    color: #e0531f;
}

.link-card.special-career:hover .arrow-icon {
    color: #ff6b35;
}

/* Keyframe Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Footer */
footer {
    padding: 35px 24px;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
    font-weight: 500;
    border-top: 1px solid rgba(15, 23, 42, 0.04);
    width: 100%;
    background: rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 10;
}

footer a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 700;
    transition: color 0.2s ease;
}

footer a:hover {
    color: var(--accent-blue);
}

/* Responsive adjustments */
@media (max-width: 600px) {
    .container {
        padding: 50px 16px 30px 16px;
        gap: 24px;
    }
    
    .profile-card {
        padding: 40px 24px;
        border-radius: 28px;
    }
    
    .profile-info h1 {
        font-size: 2.1rem;
        letter-spacing: -0.8px;
    }

    .link-card {
        padding: 20px 22px;
        border-radius: 20px;
    }

    .link-icon {
        width: 46px;
        height: 46px;
        font-size: 1.25rem;
        border-radius: 12px;
    }
    
    .link-title {
        font-size: 1.05rem;
    }
}