:root {
    --bg-1: #05050a;
    --bg-2: #14001f;
    --text: #f5f4f8;
    --surface: rgba(255, 255, 255, 0.06);
    --surface-2: rgba(255, 255, 255, 0.12);
    --border: rgba(255, 0, 102, 0.35);
    --border-soft: rgba(255, 255, 255, 0.2);
    --shadow: rgba(0, 0, 0, 0.35);
    --input-bg: rgba(255, 255, 255, 0.1);
    --tag-bg: rgba(255, 0, 102, 0.15);
    --tag-border: rgba(255, 0, 102, 0.4);
    --header-bg: rgba(0, 0, 0, 0.75);
    --nav-bg: rgba(0, 0, 0, 0.95);
    --nav-border: rgba(255, 0, 102, 0.3);
    --accent: #ff0066;
    --accent-2: #6600ff;
    --accent-3: #00ffff;
}

[data-theme="light"] {
    --bg-1: #f7f3ff;
    --bg-2: #e8defa;
    --text: #1a1621;
    --surface: rgba(255, 255, 255, 0.85);
    --surface-2: rgba(255, 255, 255, 0.95);
    --border: rgba(102, 0, 255, 0.2);
    --border-soft: rgba(22, 20, 28, 0.12);
    --shadow: rgba(30, 20, 50, 0.15);
    --input-bg: rgba(255, 255, 255, 0.95);
    --tag-bg: rgba(102, 0, 255, 0.12);
    --tag-border: rgba(102, 0, 255, 0.3);
    --header-bg: rgba(255, 255, 255, 0.85);
    --nav-bg: rgba(255, 255, 255, 0.95);
    --nav-border: rgba(102, 0, 255, 0.2);
}

body {
    background: linear-gradient(135deg, var(--bg-1), var(--bg-2), var(--bg-1));
    color: var(--text);
}

html[data-theme="dark"] body,
body[data-theme="dark"] {
    background: linear-gradient(135deg, #05050a, #14001f, #05050a);
    color: #f5f4f8;
}

html[data-theme="light"] body,
body[data-theme="light"] {
    background: linear-gradient(135deg, #f7f3ff, #e8defa, #f7f3ff);
    color: #1a1621;
}

header {
    background: var(--header-bg);
    z-index: 1000;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 10px;
    background: none;
    border: none;
    z-index: 1001;
    position: relative;
    touch-action: manipulation;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--accent);
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 2px;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-6px, 6px);
}

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

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(45deg) translate(-6px, -6px);
}

.header-content {
    gap: 16px;
}

.header-content .logo {
    margin-right: auto;
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }

    nav {
        background: var(--nav-bg);
        border-top: 2px solid var(--nav-border);
    }

    body.nav-ready nav {
        pointer-events: none;
    }

    body.nav-ready nav.active {
        pointer-events: all;
    }

    body.nav-ready nav#mobileNav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        z-index: 999;
    }

    body.nav-ready nav#mobileNav.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    body.nav-ready nav#mobileNav ul {
        flex-direction: column;
        padding: 20px;
        gap: 0;
        margin: 0;
    }

    body.nav-ready nav#mobileNav ul li {
        width: 100%;
        border-bottom: 1px solid var(--nav-border);
    }

    body.nav-ready nav#mobileNav ul li:last-child {
        border-bottom: none;
    }

    body.nav-ready nav#mobileNav ul li a {
        padding: 15px 20px;
        width: 100%;
        border-radius: 0;
        border: none;
        display: flex;
        align-items: center;
        justify-content: flex-start;
        min-height: 50px;
    }
}

.theme-toggle {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: var(--surface-2);
    color: var(--text);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 6px 16px var(--shadow);
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.theme-toggle:hover {
    transform: translateY(-1px);
    border-color: var(--accent);
    box-shadow: 0 10px 20px var(--shadow);
}

.theme-toggle:focus-visible {
    outline: 2px solid var(--accent-3);
    outline-offset: 2px;
}

.theme-toggle-icon {
    font-size: 1rem;
}

.about-text,
.skills-section,
.tools-section,
.resume-container,
.experience-item,
.education-item,
.skill-category,
.project-card,
.cert-card,
.contact-info,
.contact-form,
.contact-item,
.project-item,
.highlight-points li,
.tool-category {
    background: var(--surface);
    border-color: var(--border);
    box-shadow: 0 20px 40px var(--shadow);
    color: var(--text);
}

.project-link,
.resume-btn,
.cert-link,
.submit-btn {
    color: var(--text);
}

.tech-tag,
.skill-tag,
.project-tech .tech-tag {
    background: var(--tag-bg);
    border-color: var(--tag-border);
}

.contact-details a,
nav a,
.project-link,
.resume-btn,
.cert-link {
    color: var(--text);
}

.form-group input,
.form-group textarea,
form input,
form textarea,
form select,
input,
textarea,
select {
    background: var(--input-bg);
    color: var(--text);
    border-color: var(--border-soft);
}

input::placeholder,
textarea::placeholder {
    color: rgba(128, 128, 128, 0.7);
}

@media (pointer: coarse) {
    body {
        cursor: auto;
    }

    .cursor,
    .cursor-follower {
        display: none;
    }
}

@media (max-width: 900px) {
    .projects-grid,
    .certifications-grid,
    .spaces-grid,
    .contact-container {
        grid-template-columns: 1fr;
    }

    .profile-section,
    .resume-header .profile-section {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .resume-actions {
        flex-direction: column;
        align-items: center;
    }
}

.hero-subtitle,
.hero-description {
    color: var(--text);
    opacity: 1;
}

[data-theme="dark"] .hero-subtitle,
[data-theme="dark"] .hero-description {
    opacity: 0.9;
}