/* ==========================================================================
   Variables & Theme Setup
   ========================================================================== */
:root {
    /* Main Theme */
    --bg-dark: #0a0b0e;
    --card-bg: rgba(22, 25, 35, 0.75);
    --card-bg-hover: rgba(30, 34, 48, 0.85);
    --card-border: rgba(255, 255, 255, 0.08);
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;

    /* Typography */
    --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Layout */
    --max-width: 540px;
    --radius-lg: 20px;
    --radius-md: 14px;
    --radius-sm: 8px;

    /* Animation */
    --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-smooth: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Base Styles */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-dark);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    padding: 2.5rem 1.25rem;
    position: relative;
    overflow-x: hidden;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* Background Visual Effects */
.bg-glow {
    position: fixed;
    top: 15%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(145, 70, 255, 0.12) 0%, rgba(88, 101, 242, 0.05) 45%, rgba(0, 0, 0, 0) 70%);
    z-index: -2;
    pointer-events: none;
}

.bg-grid {
    position: fixed;
    inset: 0;
    background-image: linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 32px 32px;
    z-index: -1;
    pointer-events: none;
    mask-image: radial-gradient(circle at center, black 40%, transparent 80%);
    -webkit-mask-image: radial-gradient(circle at center, black 40%, transparent 80%);
}

/* Container */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

/* ==========================================================================
   Profile Section
   ========================================================================== */
.profile {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.avatar-wrapper {
    position: relative;
    width: 104px;
    height: 104px;
    margin-bottom: 1.25rem;
}

.avatar {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    position: relative;
    z-index: 2;
    border: 3px solid rgba(255, 255, 255, 0.1);
    background-color: var(--card-bg);
}

.avatar-ring {
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    background: linear-gradient(135deg, #9146FF, #5865F2, #E1306C);
    z-index: 1;
    opacity: 0.7;
    filter: blur(8px);
    transition: var(--transition-smooth);
}

.avatar-wrapper:hover .avatar-ring {
    opacity: 1;
    filter: blur(12px);
}

.profile-name {
    font-size: 1.75rem;
    font-weight: 800;
    letter-spacing: -0.025em;
    color: var(--text-primary);
}

.profile-handle {
    font-size: 0.95rem;
    color: var(--text-muted);
    font-weight: 600;
    margin-top: 0.1rem;
}

.profile-bio {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-top: 0.75rem;
    max-width: 380px;
    line-height: 1.45;
}

/* ==========================================================================
   Social Cards Section
   ========================================================================== */
.social-links {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 0.875rem;
}

.card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    overflow: hidden;
    transition: background-color var(--transition-fast),
        border-color var(--transition-fast),
        box-shadow var(--transition-fast),
        transform var(--transition-fast);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.card:hover {
    background: var(--card-bg-hover);
    border-color: var(--platform-accent-alpha);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3),
        0 0 20px var(--platform-accent-alpha);
    transform: translateY(-2px);
}

/* Header Trigger Button */
.card-trigger {
    width: 100%;
    padding: 1rem 1.25rem;
    background: none;
    border: none;
    color: inherit;
    font: inherit;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    text-align: left;
    outline: none;
}

.card-trigger:focus-visible {
    outline: 2px solid var(--platform-accent);
    outline-offset: -2px;
    border-radius: var(--radius-lg);
}

.card-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.icon-wrapper {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    transition: var(--transition-fast);
}

.platform-icon {
    width: 22px;
    height: 22px;
    fill: currentColor;
    transition: var(--transition-fast);
}

.card:hover .icon-wrapper,
.card.expanded .icon-wrapper {
    background: var(--platform-accent-alpha);
    color: var(--platform-accent);
}

.platform-name {
    font-size: 1.05rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.arrow-icon {
    width: 20px;
    height: 20px;
    color: var(--text-muted);
    transition: transform var(--transition-smooth), color var(--transition-fast);
}

.card:hover .arrow-icon {
    color: var(--text-primary);
}

.card.expanded .arrow-icon {
    transform: rotate(180deg);
    color: var(--platform-accent);
}

/* Drawer / Expandable Content */
.card-drawer {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows var(--transition-smooth);
}

.card.expanded .card-drawer {
    grid-template-rows: 1fr;
}

.drawer-content {
    overflow: hidden;
}

.drawer-inner {
    padding: 0 1.25rem 1.25rem 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.04);
    margin-top: 0.25rem;
    padding-top: 1rem;
}

.platform-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.85rem 1rem;
    background: var(--platform-accent);
    color: #ffffff;
    font-weight: 700;
    font-size: 0.95rem;
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
    box-shadow: 0 4px 14px var(--platform-accent-alpha);
}

/* Ensure text readability for lighter accents like Twitter White */
.card[data-platform="Twitter / X"] .cta-button {
    color: #000000;
}

.cta-button:hover {
    filter: brightness(1.15);
    transform: translateY(-1px);
    box-shadow: 0 6px 20px var(--platform-accent-alpha);
}

.cta-button:focus-visible {
    outline: 2px solid #ffffff;
    outline-offset: 2px;
}

.cta-icon {
    width: 16px;
    height: 16px;
    transition: transform var(--transition-fast);
}

.cta-button:hover .cta-icon {
    transform: translate(2px, -2px);
}

/* Expanded Card State Styling */
.card.expanded {
    border-color: var(--platform-accent);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4),
        0 0 25px var(--platform-accent-alpha);
}

/* ==========================================================================
   Action Bar & Copy Link Button
   ========================================================================== */
.action-bar {
    display: flex;
    justify-content: center;
    margin-top: 0.5rem;
}

.action-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.2rem;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--card-border);
    border-radius: 100px;
    color: var(--text-secondary);
    font-family: var(--font-sans);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
}

.action-btn:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
    border-color: rgba(255, 255, 255, 0.2);
}

.action-btn:focus-visible {
    outline: 2px solid var(--text-primary);
}

.action-icon {
    width: 16px;
    height: 16px;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 2rem;
}

/* ==========================================================================
   Accessibility & Reduced Motion
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    .card-drawer {
        transition: none;
    }
}