/* =====================================================
   Ayush Soni Portfolio - Design System (Refined)
   Unified, consistent, and high-performance.
   ===================================================== */

@import url('https://fonts.googleapis.com/css2?family=Bricolage+Grotesque:opsz,wght@12..96,200..800&family=Instrument+Sans:ital,wght@0,400..700;1,400..700&display=swap');

:root {
    /* Base Colors - Dark (Default) */
    --bg-base: #050505;
    --bg-surface: #0f0f0f;
    --bg-surface-elevated: #161616;
    
    --text-main: #ffffff;
    --text-muted: #a0a0a0;
    --text-faint: #666666;
    
    --accent: #a855f7;
    --accent-glow: rgba(168, 85, 247, 0.12);
    --border-subtle: rgba(255, 255, 255, 0.04);
    --border-strong: rgba(255, 255, 255, 0.08);

    /* Design System Tokens */
    --shadow-base: 0 10px 40px -10px rgba(0, 0, 0, 0.6);
    --shadow-hover: 0 20px 50px -15px rgba(0, 0, 0, 0.8);
    --card-gradient: radial-gradient(circle at top right, var(--accent-glow) 0%, transparent 70%);

    /* System */
    --font-heading: 'Bricolage Grotesque', sans-serif;
    --font-body: 'Instrument Sans', sans-serif;
    --radius-lg: 32px;
    --radius-md: 20px;
    --radius-sm: 16px;
    
    /* Animation Timing */
    --ease-smooth: cubic-bezier(0.16, 1, 0.3, 1);
    --duration-fast: 0.3s;
    --duration-standard: 0.5s;
    --duration-reveal: 0.8s;
}

[data-theme="light"] {
    --bg-base: #f4f4f7;
    --bg-surface: #ffffff;
    --bg-surface-elevated: #ececef;
    
    --text-main: #0a0a0b;
    --text-muted: #52525b;
    --text-faint: #a1a1aa;
    
    --accent: #7c3aed;
    --accent-glow: rgba(124, 58, 237, 0.06);
    --border-subtle: rgba(0, 0, 0, 0.03);
    --border-strong: rgba(0, 0, 0, 0.06);

    /* Light Mode Clean State (Pure Flat Static) */
    --shadow-base: none; 
    --shadow-hover: 0 20px 40px -10px rgba(124, 58, 237, 0.12);
    
    --border-subtle: transparent; /* 1px width remains, color is transparent to prevent jump */
}

/* Nuke Shadows for Light Mode Static State */
[data-theme="light"] .bento-card {
    box-shadow: none !important;
}

[data-theme="light"] .bento-card:hover {
    box-shadow: var(--shadow-hover) !important;
    border-color: var(--border-strong) !important;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
}

body {
    background-color: var(--bg-base);
    color: var(--text-main);
    font-family: var(--font-body);
    line-height: 1.5;
    overflow-x: hidden;
    transition: background-color var(--duration-standard) ease;
}

/* Layout */
.app-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 80px 24px 40px; /* Reduced bottom padding */
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* Bento Grid System */
.bento-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: minmax(180px, auto);
    gap: 24px;
}

/* Universal Bento Card Style */
.bento-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 32px;
    position: relative;
    overflow: hidden;
    transition: transform var(--duration-fast) var(--ease-smooth),
                box-shadow var(--duration-fast) var(--ease-smooth),
                border-color var(--duration-fast) var(--ease-smooth),
                background-color var(--duration-standard) ease;
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: var(--shadow-base);
}

.bento-card:hover {
    box-shadow: var(--shadow-hover);
    border-color: var(--border-strong);
    background: var(--card-gradient), var(--bg-surface); /* Ignite glow on hover */
}

/* Disable Hover for Static Cards (Hero & Contact) */
.hero-card:hover,
.contact-card:hover {
    transform: none;
    box-shadow: var(--shadow-base);
    background: var(--bg-surface); /* Reset to base for contact */
}

.hero-card:hover {
    background: var(--card-gradient), var(--bg-surface); /* Keep static glow */
}

/* Individual Card Variants */
.hero-card {
    grid-column: span 2;
    grid-row: span 2;
    padding: 48px;
    background: var(--card-gradient), var(--bg-surface); /* Restored static gradient for hierarchy */
}

.wide-card {
    grid-column: span 2;
    grid-row: span 1;
    background: var(--bg-surface); /* Removed default gradient */
}

.small-card {
    grid-column: span 1;
    grid-row: span 1;
}

.contact-card {
    grid-column: 1 / -1; /* Full Width at Bottom */
    padding: 48px;
    margin-top: 24px;
    display: flex;
    flex-direction: column;
    align-items: stretch; /* Stretch content */
}

/* Hero Content */
.hero-content h1 {
    font-family: var(--font-heading);
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.05;
    margin-bottom: 24px;
    letter-spacing: 0.01em;
}

.hero-content p {
    font-size: 1.25rem;
    color: var(--text-muted);
    max-width: 480px;
}

.name-accent {
    color: var(--accent);
}

.profile-info {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 32px;
}

.avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    border: 4px solid var(--accent);
    padding: 4px;
}

.badge {
    padding: 6px 14px;
    background: transparent; /* Transparent background */
    border: 1px solid var(--border-strong);
    border-radius: 30px;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-muted);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 8px;
}

.badge::before {
    content: '';
    width: 8px;
    height: 8px;
    background: #4ade80; /* Toxic Green */
    border-radius: 50%;
    box-shadow: 0 0 10px rgba(74, 222, 128, 0.4);
}

/* Common Header Elements */
.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.icon-box {
    width: 60px;
    height: 60px;
    background: var(--bg-surface-elevated);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--accent);
    transition: color var(--duration-fast) ease;
}

.arrow-icon {
    font-size: 1.4rem;
    color: var(--text-faint);
    transition: transform var(--duration-fast) var(--ease-smooth),
                color var(--duration-fast) ease;
}

.bento-card:hover .arrow-icon {
    transform: translate(3px, -3px) rotate(-45deg);
    color: var(--accent);
}

/* Typography Consistency */
.card-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.card-desc {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.5;
}

/* Contact Form */
.contact-header {
    margin-bottom: 24px; /* Tightened from 40px */
}

.message-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin: 0;
    width: 100%; /* Fully stretch to card width */
}

.input-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.message-input {
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    padding: 18px 24px;
    color: var(--text-main);
    font-family: var(--font-body);
    font-size: 1rem;
    outline: none;
    transition: border-color var(--duration-fast) ease,
                box-shadow var(--duration-fast) ease;
}

.message-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 4px var(--accent-glow);
}

.message-textarea {
    min-height: 140px;
    resize: none;
}

.submit-btn {
    background: var(--accent);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    padding: 20px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    transition: filter var(--duration-fast) ease,
                transform var(--duration-fast) var(--ease-smooth);
}

.submit-btn:hover {
    filter: brightness(1.1);
    transform: translateY(-2px);
}

.message-status {
    margin-top: 16px;
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* Toggle & Utilities */
.theme-toggle {
    position: fixed;
    top: 32px;
    right: 32px;
    width: 64px;
    height: 64px;
    background: var(--bg-surface);
    border: 1px solid var(--border-strong);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 1000;
    box-shadow: var(--shadow-base);
    color: var(--text-main);
    font-size: 1.6rem;
    transition: all var(--duration-fast) var(--ease-smooth);
}

.theme-toggle:hover {
    transform: scale(1.1) rotate(10deg);
    background: var(--accent);
    color: white;
}

.footer {
    text-align: center;
    padding: 20px 0 40px; /* Reduced top padding */
    color: var(--text-faint);
    font-size: 0.85rem;
}


/* Responsive Overrides */
@media (max-width: 1100px) {
    .bento-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 850px) {
    .bento-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .hero-content h1 {
        font-size: 3.2rem;
    }
}

@media (max-width: 550px) {
    .bento-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    .hero-card, .wide-card, .contact-card {
        grid-column: span 2;
    }
    .hero-content h1 {
        font-size: 2.5rem;
    }
    .input-row {
        grid-template-columns: 1fr;
    }
    .app-container {
        padding: 60px 20px;
    }
    .theme-toggle {
        top: auto;
        bottom: 24px;
        right: 24px;
        width: 52px;
        height: 52px;
    }
    
    /* Small cards take 1 column in a 2-col grid */
    .small-card {
        grid-column: span 1;
    }
}