:root[data-theme="dark"] {
    --bg-color: #050505;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --card-bg: rgba(255, 255, 255, 0.03);
    --card-border: rgba(255, 255, 255, 0.08);
    --card-hover-border: rgba(255, 255, 255, 0.2);
    --header-bg: rgba(5, 5, 5, 0.7);
    --accent-gradient: linear-gradient(135deg, #00f2fe 0%, #4facfe 100%);
    --accent-color: #00f2fe;
    --search-bg: rgba(255, 255, 255, 0.05);
    --btn-bg: rgba(255, 255, 255, 0.05);
    --btn-hover-bg: rgba(255, 255, 255, 0.1);
    --orb-1: #4facfe40;
    --orb-2: #ff084430;
    --orb-3: #8e2de230;
}

:root[data-theme="light"] {
    --bg-color: #f3f4f6;
    --text-primary: #111827;
    --text-secondary: #4b5563;
    --card-bg: rgba(255, 255, 255, 0.6);
    --card-border: rgba(0, 0, 0, 0.05);
    --card-hover-border: rgba(0, 0, 0, 0.15);
    --header-bg: rgba(243, 244, 246, 0.7);
    --accent-gradient: linear-gradient(135deg, #0093E9 0%, #80D0C7 100%);
    --accent-color: #0093E9;
    --search-bg: rgba(0, 0, 0, 0.05);
    --btn-bg: rgba(0, 0, 0, 0.05);
    --btn-hover-bg: rgba(0, 0, 0, 0.1);
    --orb-1: #0093E940;
    --orb-2: #ff758c30;
    --orb-3: #80D0C730;
}

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

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    overflow-x: hidden;
    transition: background-color 0.4s ease, color 0.4s ease;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Background Glowing Orbs */
.background-effects {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.glow-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    animation: float 20s infinite ease-in-out alternate;
}

.orb-1 {
    width: 400px; height: 400px;
    background: var(--orb-1);
    top: -100px; left: -100px;
}
.orb-2 {
    width: 500px; height: 500px;
    background: var(--orb-2);
    bottom: -150px; right: -100px;
    animation-delay: -5s;
}
.orb-3 {
    width: 300px; height: 300px;
    background: var(--orb-3);
    top: 40%; left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -10s;
}

@keyframes float {
    0% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(50px, 30px) scale(1.1); }
    100% { transform: translate(-30px, 60px) scale(0.9); }
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
    flex: 1;
}

/* Header */
header {
    position: fixed;
    top: 0; left: 0; width: 100%;
    background: var(--header-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--card-border);
    z-index: 1000;
    transition: all 0.4s ease;
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.2rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 10px;
    letter-spacing: -0.5px;
}

.logo-icon {
    font-size: 1.5rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.icon-btn {
    background: var(--btn-bg);
    border: 1px solid var(--card-border);
    color: var(--text-primary);
    width: 40px; height: 40px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

.icon-btn:hover {
    background: var(--btn-hover-bg);
    transform: translateY(-2px);
}

/* Hero Section */
.hero {
    margin-top: 120px;
    text-align: center;
    padding: 60px 0;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hero-badge {
    display: inline-block;
    padding: 8px 16px;
    border-radius: 30px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 20px;
    backdrop-filter: blur(10px);
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 20px;
    letter-spacing: -1.5px;
}

.text-gradient {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin-bottom: 40px;
    line-height: 1.6;
}

/* Search and Filter */
.search-filter-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    width: 100%;
    max-width: 600px;
}

.search-box {
    width: 100%;
    position: relative;
    display: flex;
    align-items: center;
}

.search-box > i {
    position: absolute;
    left: 20px;
    color: var(--text-secondary);
    font-size: 1.2rem;
}

.search-box input {
    width: 100%;
    padding: 16px 20px 16px 60px;
    border-radius: 30px;
    border: 1px solid var(--card-border);
    background: var(--search-bg);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    outline: none;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.search-box input:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 15px rgba(0, 242, 254, 0.2);
}

.filter-buttons {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: center;
}

.filter-btn {
    background: var(--btn-bg);
    border: 1px solid var(--card-border);
    color: var(--text-secondary);
    padding: 8px 16px;
    border-radius: 20px;
    cursor: pointer;
    font-family: inherit;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.filter-btn:hover {
    background: var(--btn-hover-bg);
    color: var(--text-primary);
}

.filter-btn.active {
    background: var(--text-primary);
    color: var(--bg-color);
    border-color: var(--text-primary);
}

/* Projects Grid */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
    padding-bottom: 80px;
    perspective: 1000px;
}

.project-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 24px;
    padding: 24px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 260px;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUp 0.6s forwards;
    transform-style: preserve-3d;
}

.project-card:hover {
    border-color: var(--card-hover-border);
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
}

:root[data-theme="light"] .project-card:hover {
    box-shadow: 0 20px 40px rgba(0,0,0,0.05);
}

.card-icon {
    width: 60px; height: 60px;
    border-radius: 16px;
    background: var(--btn-bg);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 2rem;
    color: var(--accent-color);
    margin-bottom: 20px;
    border: 1px solid var(--card-border);
}

.card-title {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.card-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.5;
    margin-bottom: 20px;
    flex: 1;
}

.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--card-border);
    padding-top: 20px;
    margin-top: auto;
}

.tag {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    background: var(--btn-bg);
    padding: 4px 10px;
    border-radius: 8px;
    color: var(--text-secondary);
}

.live-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: color 0.2s ease;
}

.live-link:hover {
    color: var(--accent-color);
}

/* Animations */
@keyframes fadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

footer {
    text-align: center;
    padding: 30px;
    border-top: 1px solid var(--card-border);
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: auto;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    .projects-grid {
        grid-template-columns: 1fr;
    }
    .orb-1 { width: 300px; height: 300px; }
    .orb-2 { width: 300px; height: 300px; }
}

/* Search Suggestions */
.suggestions-list {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    margin-top: 10px;
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    list-style: none;
    max-height: 250px;
    overflow-y: auto;
    z-index: 10;
    display: none;
    padding: 10px 0;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

:root[data-theme="light"] .suggestions-list {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.suggestions-list li {
    padding: 12px 20px;
    cursor: pointer;
    font-size: 0.95rem;
    color: var(--text-primary);
    transition: background 0.2s ease, color 0.2s ease;
    display: flex;
    align-items: center;
    gap: 10px;
}

.suggestions-list li:hover {
    background: var(--btn-hover-bg);
    color: var(--accent-color);
}

/* Custom scrollbar for suggestions */
.suggestions-list::-webkit-scrollbar {
    width: 6px;
}
.suggestions-list::-webkit-scrollbar-thumb {
    background: var(--card-border);
    border-radius: 10px;
}