/* style.css */
:root {
    --bg: #e8e8ed; /* Even darker off-white background for extreme contrast */
    --text-main: #000000; /* Pure black text */
    --text-muted: #444444; /* Darker muted text */
    
    --card-bg: #ffffff;
    --card-border: rgba(0, 0, 0, 0.18); /* Much sharper borders */
    
    /* Highly saturated and dense pastel colors */
    --accent-purple: rgba(138, 90, 224, 0.35);
    --accent-mint: rgba(30, 200, 120, 0.4);
    --accent-coral: rgba(255, 80, 60, 0.35);
    --accent-blue: rgba(40, 160, 255, 0.4);
    
    --btn-bg: #000000;
    --btn-text: #ffffff;
    
    --nav-bg: rgba(255, 255, 255, 0.5);
    --nav-border: rgba(0, 0, 0, 0.15); /* Sharper glass border */

    --footer-bg: #ffffff;
    --footer-text: #555555;
    --footer-title: #000000;

    --border-radius-lg: 32px;
    --border-radius-md: 20px;
    --border-radius-sm: 12px;
    
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    
    --card-bg: #ffffff;
    --card-border: rgba(0, 0, 0, 0.12);
    
    --icon-bg: #ffffff;
    --icon-color: #1d1d1f;

    --card-purple-bg: #f3ecfb;
    --card-mint-bg: #ebfcf5;
    --card-coral-bg: #fff0ed;
    --card-blue-bg: #eef7ff;
}

[data-theme="dark"] {
    --bg: #111111;
    --bg-alt: #161618;
    --text-main: #ffffff;
    --text-muted: #a1a1a6;
    
    --accent-purple: #5e3a96;
    --accent-purple-dark: #9f7aea;
    
    --accent-mint: #257a5e;
    --accent-mint-dark: #48bb78;
    
    --accent-coral: #964232;
    --accent-coral-dark: #f56565;
    
    --accent-blue: #2a6496;
    --accent-blue-dark: #4299e1;

    --btn-bg: #ffffff;
    --btn-text: #000000;
    
    --nav-bg: rgba(20, 20, 20, 0.4);
    --nav-border: rgba(255, 255, 255, 0.15);
    
    --card-bg: #1c1c1e;
    --card-border: rgba(255,255,255,0.08);
    
    --icon-bg: #333333;
    --icon-color: #ffffff;

    --card-purple-bg: #2a1f3d;
    --card-mint-bg: #1f3d32;
    --card-coral-bg: #3d231f;
    --card-blue-bg: #1f2a3d;
    
    --footer-bg: #000000;
    --footer-text: #a1a1a6;
    --footer-title: #ffffff;
}
/* Base */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { 
    background-color: var(--bg); 
    overscroll-behavior: none;
    transition: background-color 0.3s ease; 
}
body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    overscroll-behavior: none;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.bg-alt { background-color: var(--bg-alt) !important; }

h1, h2, h3, h4, h5, h6, .brand-font {
    font-family: 'Outfit', sans-serif;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
.text-center { text-align: center; }

/* Typography */
.hero-title { font-size: clamp(2.5rem, 8vw, 6rem); margin-bottom: 1rem; color: var(--text-main); }
.section-title { font-size: clamp(2rem, 6vw, 4rem); margin-bottom: 1.5rem; color: var(--text-main); }
.lead-text { font-size: clamp(1.1rem, 2vw, 1.3rem); color: var(--text-muted); max-width: 600px; }
.bold-muted { font-weight: 700; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; font-size: 0.9rem; }

/* Navigation */
nav {
    position: fixed;
    top: 2rem;
    left: 50%;
    transform: translateX(-50%);
    background: var(--nav-bg);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    padding: 0.5rem 1rem;
    border-radius: 100px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.06);
    z-index: 1000;
    display: flex;
    gap: 0.5rem;
    border: 1px solid var(--nav-border);
    align-items: center;
}
.nav-links {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}
nav a {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    padding: 0.8rem 1.5rem;
    border-radius: 100px;
    color: var(--text-muted);
    transition: var(--transition);
}
nav a:hover { color: var(--text-main); }
nav a.active {
    background: var(--btn-bg);
    color: var(--btn-text);
}
.theme-toggle {
    background: none;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    color: var(--text-muted);
    padding: 0.5rem 0.8rem;
    display: flex;
    align-items: center;
    border-radius: 100px;
    transition: var(--transition);
}
.theme-toggle:hover {
    color: var(--text-main);
    transform: rotate(15deg);
}

@media (max-width: 768px) {
    nav a { padding: 0.6rem 0.8rem; font-size: 0.9rem; white-space: nowrap; }
    nav { 
        top: 1rem; width: 95%; 
        justify-content: space-between;
    }
    .nav-links {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        -ms-overflow-style: none;
    }
    .nav-links::-webkit-scrollbar { display: none; }
    .bento-card { padding: 1.5rem; }
    .card-title { font-size: 1.5rem; }
    .section-pad { padding-top: 4rem; padding-bottom: 4rem; }
}

/* Hero Wrapper & Gradients */
.hero-wrapper {
    position: relative;
    background: transparent;
}

.hero-gradient {
    position: absolute;
    top: -20%;
    left: 0;
    width: 100%;
    height: 180%;
    background: radial-gradient(circle at 15% 20%, rgba(203, 180, 246, 0.85), transparent 50%),
                radial-gradient(circle at 85% 10%, rgba(176, 238, 212, 0.85), transparent 50%),
                radial-gradient(circle at 50% 60%, rgba(255, 196, 186, 0.85), transparent 50%);
    filter: blur(60px);
    z-index: 0;
    pointer-events: none;
    transition: background 0.5s ease;
    -webkit-mask-image: linear-gradient(to bottom, black 60%, transparent 100%);
    mask-image: linear-gradient(to bottom, black 60%, transparent 100%);
}

[data-theme="dark"] .hero-gradient {
    background: radial-gradient(circle at 15% 20%, rgba(94, 58, 150, 0.75), transparent 50%),
                radial-gradient(circle at 85% 10%, rgba(37, 122, 94, 0.75), transparent 50%),
                radial-gradient(circle at 50% 60%, rgba(150, 66, 50, 0.75), transparent 50%);
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero {
    min-height: 90vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding-top: 8rem;
    padding-bottom: 4rem;
    text-align: center;
}

/* Floating Stars */
.star {
    position: absolute;
    color: var(--accent-purple-dark);
    font-size: 1.5rem;
    animation: float 6s ease-in-out infinite;
    opacity: 0.7;
    z-index: 0;
}
.star:nth-child(1) { top: 15%; left: 20%; animation-delay: 0s; font-size: 2.5rem;}
.star:nth-child(2) { top: 25%; right: 15%; animation-delay: 1s; font-size: 1.5rem; color: var(--accent-mint-dark);}
.star:nth-child(3) { top: 60%; left: 10%; animation-delay: 2s; font-size: 2rem; color: var(--accent-coral-dark);}
.star:nth-child(4) { top: 70%; right: 25%; animation-delay: 3s; font-size: 1.8rem; }
.star:nth-child(5) { top: 35%; left: 80%; animation-delay: 4s; font-size: 1.2rem; color: var(--accent-blue-dark);}

@keyframes float {
    0% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(10deg); }
    100% { transform: translateY(0px) rotate(0deg); }
}

.hero-btns {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    font-size: 1.1rem;
    border-radius: 100px;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    gap: 0.5rem;
}
.btn svg { width: 20px; height: 20px; }
.btn-primary {
    background: var(--btn-bg);
    color: var(--btn-text);
}
.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}
.btn-outline {
    background: transparent;
    border: 2px solid var(--text-main);
    color: var(--text-main);
}
.btn-outline:hover {
    background: var(--text-main);
    color: var(--btn-text);
    transform: translateY(-3px) scale(1.02);
}

/* Avatars & Images */
.avatar-container {
    width: 150px;
    height: 150px;
    margin: 0 auto 2rem;
    border-radius: 50%;
    overflow: hidden;
    background: var(--accent-mint);
    border: 6px solid var(--card-bg);
    box-shadow: 0 20px 40px rgba(0,0,0,0.08);
}
.avatar-container img { width: 100%; height: 100%; object-fit: cover; }
.arch-container {
    border-radius: 200px 200px 0 0;
    overflow: hidden;
    background: var(--accent-blue);
    position: relative;
    aspect-ratio: 3/4;
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
    border: 8px solid var(--card-bg);
    box-shadow: 0 20px 40px rgba(0,0,0,0.05);
}

/* Grid Layouts */
.grid-2, .grid-3, .grid-4 { display: grid; grid-template-columns: 1fr; gap: 2rem; }
@media (min-width: 768px) {
    .grid-2 { grid-template-columns: 1fr 1fr; }
    .grid-3 { grid-template-columns: repeat(3, 1fr); }
    .grid-4 { grid-template-columns: repeat(2, 1fr); gap: 2rem; }
}
@media (min-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

/* Cards */
.bento-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius-md);
    padding: 2.5rem;
    position: relative;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 6px 24px rgba(0,0,0,0.06);
    display: flex;
    flex-direction: column;
    height: 100%;
}
.bento-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 32px rgba(0,0,0,0.12);
}
.card-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    background: var(--icon-bg);
    color: var(--icon-color);
}
.card-title { font-size: 1.8rem; margin-bottom: 0.5rem; color: var(--text-main); }
.card-desc { color: var(--text-muted); flex-grow: 1; }

.card-purple { background-color: var(--card-purple-bg); border-color: transparent; }
.card-mint { background-color: var(--card-mint-bg); border-color: transparent; }
.card-coral { background-color: var(--card-coral-bg); border-color: transparent; }
.card-blue { background-color: var(--card-blue-bg); border-color: transparent; }

/* Timeline */
.timeline { position: relative; padding-left: 2rem; border-left: 3px solid var(--accent-purple); margin: 3rem 0; }
.timeline-item { position: relative; margin-bottom: 3rem; }
.timeline-dot {
    position: absolute; left: -2.7rem; top: 0; width: 20px; height: 20px;
    border-radius: 50%; background: var(--bg); border: 4px solid var(--accent-purple);
}
.timeline-date { font-family: 'Outfit'; font-weight: 800; color: var(--accent-purple-dark); font-size: 1.2rem; margin-bottom: 0.2rem; }
.timeline-title { font-size: 1.4rem; margin-bottom: 0.5rem; color: var(--text-main); }

/* Tags */
.tag-container { display: flex; flex-wrap: wrap; gap: 0.8rem; margin-top: 1.5rem; }
.tag {
    background: var(--card-bg); padding: 0.6rem 1.2rem; border-radius: 100px;
    font-family: 'Outfit'; font-size: 0.9rem; font-weight: 700;
    box-shadow: 0 4px 10px rgba(0,0,0,0.03); color: var(--text-main); border: 1px solid var(--card-border);
}

/* Footer */
footer {
    background: var(--footer-bg); color: var(--footer-text);
    padding: 6rem 0 3rem; margin-top: 6rem;
    border-top: 1px solid var(--card-border);
}
.footer-grid { display: grid; grid-template-columns: 1fr; gap: 3rem; }
@media (min-width: 768px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr; } }
.footer-title { font-size: 2rem; margin-bottom: 1rem; color: var(--footer-title);}
footer a { color: var(--footer-text); transition: var(--transition); }
footer a:hover { color: var(--text-main); }
.footer-bottom { border-top: 1px solid var(--card-border); margin-top: 4rem; padding-top: 2rem; color: var(--text-muted); font-size: 0.9rem; text-align: center; }
.footer-list { list-style: none; }
.footer-list li { margin-bottom: 0.8rem; }

/* Utilities */
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }
.mb-4 { margin-bottom: 4rem; }
.mt-2 { margin-top: 2rem; }
.mt-4 { margin-top: 4rem; }
.section-pad { padding-top: 6rem; padding-bottom: 6rem; }
.align-center { align-items: center; }

/* Animations */
.reveal {
    opacity: 0; transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.25, 0.8, 0.25, 1);
}
.reveal.active { opacity: 1; transform: translateY(0); }

/* Specific elements */
.project-link {
    display: inline-block; margin-top: 1.5rem;
    font-family: 'Outfit'; font-weight: 700; color: inherit;
    border-bottom: 2px solid transparent; padding-bottom: 2px;
    transition: var(--transition);
}
.project-link:hover { border-bottom-color: currentColor; }