/* ==================== CSS Variables ==================== */
:root {
    /* Colors - Modern Tech / Cyber Theme */
    --primary-gradient: linear-gradient(135deg, #00f2fe 0%, #4facfe 100%);
    --secondary-gradient: linear-gradient(135deg, #7028e4 0%, #e5b2ca 100%);
    --accent-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);

    --bg-primary: #0a0a0a;
    --bg-secondary: #111111;
    --bg-card: rgba(30, 30, 30, 0.4);
    --bg-glass: rgba(255, 255, 255, 0.03);

    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --text-muted: #666666;

    --accent-color: #00f2fe;
    --accent-glow: rgba(0, 242, 254, 0.5);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1.5rem;
    --spacing-md: 3rem;
    --spacing-lg: 6rem;
    --spacing-xl: 10rem;

    /* Typography */
    --font-primary: 'Inter', sans-serif;
    --font-heading: 'Outfit', sans-serif;

    /* Shadows */
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.5);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px var(--accent-glow);

    /* Border Radius */
    --radius-sm: 12px;
    --radius-md: 20px;
    --radius-lg: 32px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* Light Mode Overrides (Tech Light) */
/* Light Mode Overrides (Tech Light) */
[data-theme="light"] {
    --bg-primary: #eef2f6;
    --bg-secondary: #ffffff;
    --bg-card: rgba(255, 255, 255, 0.9);
    --bg-glass: rgba(0, 0, 0, 0.05);

    --text-primary: #111827;
    --text-secondary: #4b5563;
    --text-muted: #6b7280;

    --accent-color: #00b4d8;
    --accent-glow: rgba(0, 180, 216, 0.3);

    /* Invert shadows for light mode */
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.05);
}

/* ==================== Reset & Base Styles ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    background-image:
        radial-gradient(circle at 20% 20%, rgba(79, 172, 254, 0.05) 0%, transparent 40%),
        radial-gradient(circle at 80% 80%, rgba(112, 40, 228, 0.05) 0%, transparent 40%);
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
    width: 100%;
}

/* ==================== Components ==================== */
.btn {
    padding: 1rem 2.5rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition-base);
    border: none;
    cursor: pointer;
    font-size: 1rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    letter-spacing: 0.5px;
}

.btn-primary {
    background: var(--text-primary);
    color: var(--bg-primary);
    box-shadow: 0 0 0 rgba(255, 255, 255, 0);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
    background: var(--accent-color);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--text-primary);
}

.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(40px);
    -webkit-backdrop-filter: blur(40px);
    border: 1px solid var(--bg-glass);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .glass-card {
    border: 1px solid rgba(0, 0, 0, 0.1);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.05);
}

section {
    padding: var(--spacing-lg) 0;
    position: relative;
    width: 100%;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 4rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: var(--spacing-md);
    line-height: 1;
    letter-spacing: -1px;
    background: linear-gradient(to right, #fff, #666);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

[data-theme="light"] .section-title {
    background: none;
    -webkit-text-fill-color: var(--text-primary);
    color: var(--text-primary);
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ==================== Navigation ==================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1.5rem 0;
    transition: transform 0.3s ease, padding 0.3s ease;
}

.navbar.scrolled {
    padding: 1rem 0;
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

[data-theme="light"] .navbar.scrolled {
    background: rgba(255, 255, 255, 0.9);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 800;
    letter-spacing: -0.5px;
}

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

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    background: rgba(255, 255, 255, 0.05);
    padding: 0.75rem 2rem;
    border-radius: var(--radius-full);
    border: 1px solid rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition-base);
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
}

.nav-actions {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.theme-toggle {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-primary);
    transition: var(--transition-base);
}

.theme-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: rotate(15deg);
}

[data-theme="light"] .theme-toggle {
    border-color: rgba(0, 0, 0, 0.1);
    color: var(--text-primary);
}

[data-theme="light"] .theme-toggle:hover {
    background: rgba(0, 0, 0, 0.05);
}

.sun-icon {
    display: block;
}

.moon-icon {
    display: none;
}

[data-theme="light"] .sun-icon {
    display: none;
}

[data-theme="light"] .moon-icon {
    display: block;
}

/* ==================== Hero Section ==================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, transparent 0%, var(--bg-primary) 100%);
    z-index: 1;
}

.hero-container {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    align-items: center;
    gap: 4rem;
}

.hero-content {
    animation: fadeInUp 1s ease;
}

.greeting {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(0, 242, 254, 0.1);
    color: var(--accent-color);
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(0, 242, 254, 0.2);
}

.hero-title .name {
    font-size: 5rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    background: linear-gradient(to right, #fff 30%, #999);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 500px;
}

.hero-visual {
    position: relative;
    height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-image-frame {
    width: 400px;
    height: 500px;
    border-radius: 40px;
    overflow: hidden;
    position: relative;
    transform: rotate(5deg);
    border: 4px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    transition: transform 0.5s ease;
}

.hero-image-frame:hover {
    transform: rotate(0deg) scale(1.02);
}

.hero-image-frame img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ==================== Bento Grid About ==================== */
.bento-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(2, minmax(250px, auto));
    gap: 1.5rem;
    margin-top: 3rem;
}

.bento-item {
    background: var(--bg-secondary);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
}

[data-theme="light"] .bento-item {
    border-color: rgba(0, 0, 0, 0.1);
    background: #ffffff;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.02);
}

.bento-item:hover {
    border-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-5px);
}

.bento-large {
    grid-column: span 2;
}

.bento-tall {
    grid-row: span 2;
}

.bento-title {
    color: var(--text-muted);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
    font-weight: 600;
}

.bento-content h3 {
    font-size: 2.5rem;
    line-height: 1.1;
    margin-bottom: 1rem;
}

.tech-stack {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-top: 1rem;
}

.tech-pill {
    padding: 0.75rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    white-space: nowrap;
    transition: all 0.3s ease;
}

[data-theme="light"] .tech-pill {
    background: rgba(0, 0, 0, 0.03);
    border-color: rgba(0, 0, 0, 0.08);
    color: var(--text-primary);
}

.tech-pill:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

[data-theme="light"] .tech-pill:hover {
    background: rgba(0, 0, 0, 0.05);
}

/* ==================== Projects Gallery ==================== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
}

.project-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.4s ease;
    position: relative;
}

.project-image-wrapper {
    height: 300px;
    overflow: hidden;
    position: relative;
}

.project-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.project-card:hover .project-image-wrapper img {
    transform: scale(1.05);
}

.project-info {
    padding: 2rem;
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, #000 0%, transparent 100%);
    transform: translateY(20px);
    opacity: 0;
    transition: all 0.4s ease;
}

.project-card:hover .project-info {
    transform: translateY(0);
    opacity: 1;
}

.project-card:hover {
    border-color: var(--accent-color);
    box-shadow: 0 0 30px rgba(0, 242, 254, 0.1);
}

/* ==================== Blog ==================== */
.blog-card {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    transition: 0.3s;
}

.blog-card:hover {
    background: rgba(255, 255, 255, 0.03);
    border-color: var(--text-primary);
}

/* ==================== Contact ==================== */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border-radius: var(--radius-sm);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--transition-base);
}

[data-theme="light"] .contact-form input,
[data-theme="light"] .contact-form textarea {
    background: rgba(0, 0, 0, 0.03);
    border-color: rgba(0, 0, 0, 0.1);
    color: var(--text-primary);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--accent-color);
    box-shadow: 0 0 0 4px rgba(0, 242, 254, 0.1);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.info-card h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    transition: var(--transition-base);
    text-decoration: none;
}

.social-link:hover {
    background: var(--accent-color);
    color: #000;
    transform: translateY(-3px);
}

/* ==================== Footer ==================== */
.footer {
    padding: 6rem 0 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    margin-top: 6rem;
    margin-top: 6rem;
    background: #050505;
}

[data-theme="light"] .footer {
    background: #f0f2f5;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-links {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.footer-brand p {
    color: var(--text-muted);
    margin-top: 1rem;
    max-width: 300px;
}

.footer-column h4 {
    color: var(--text-primary);
    font-family: var(--font-heading);
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.footer-column ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-column a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-base);
}

.footer-column a:hover {
    color: var(--accent-color);
    padding-left: 5px;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ==================== Mobile Styling ==================== */
@media (max-width: 968px) {
    .container {
        padding: 0 1.5rem;
    }

    section {
        padding: var(--spacing-md) 0;
    }

    .hero-container {
        display: flex;
        flex-direction: column;
        text-align: center;
        gap: 3rem;
        width: 100%;
    }

    .hero-visual {
        height: 400px;
        order: -1;
        width: 100%;
        display: flex;
        justify-content: center;
    }

    .hero-image-frame {
        width: 280px;
        height: 280px;
    }

    .bento-grid {
        display: flex;
        flex-direction: column;
        gap: 1.5rem;
    }

    .bento-large,
    .bento-tall {
        grid-column: span 1;
        grid-row: span 1;
    }

    .hero-title .name {
        font-size: 3.5rem;
    }

    .nav-menu {
        display: none;
    }

    .nav-menu.active {
        display: flex;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: rgba(10, 10, 10, 0.85);
        /* Semi-transparent dark */
        backdrop-filter: blur(10px);
        /* Glassmorphism blur */
        -webkit-backdrop-filter: blur(10px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        z-index: 1000;
        gap: 2rem;
    }

    [data-theme="light"] .nav-menu.active {
        background: rgba(255, 255, 255, 0.85);
        /* Semi-transparent light */
    }

    .nav-menu.active li a {
        font-size: 1.5rem;
    }

    .projects-grid,
    .blog-grid {
        grid-template-columns: 1fr;
    }

    .project-image-wrapper {
        height: 250px;
    }

    .tech-stack {
        grid-template-columns: 1fr;
    }

    .mobile-toggle {
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        width: 30px;
        height: 21px;
        background: transparent;
        border: none;
        cursor: pointer;
        padding: 0;
        z-index: 1001;
        /* Above menu */
        margin-left: 1rem;
    }

    .mobile-toggle span {
        display: block;
        width: 100%;
        height: 3px;
        background-color: var(--text-primary);
        border-radius: 3px;
        transition: all 0.3s ease;
    }

    /* Animate Hamburger to X */
    .mobile-toggle.active span:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
    }

    .mobile-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .mobile-toggle.active span:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

    .footer-links {
        grid-template-columns: 1fr;
    }

    .footer-brand p {
        margin: 1rem auto;
    }
}