@import url('https://fonts.googleapis.com/css2?family=Teko:wght@400;500;600;700&family=Share+Tech+Mono&display=swap');

:root,
[data-theme="dark"] {
    --bg: #0b0d10;
    --bg-elevated: #0f1216;
    --surface: #15191e;
    --surface-2: #1b2026;
    --surface-border: rgba(65, 105, 225, 0.24);
    --text: #d4d4d8;
    --muted: #a1a1aa;
    --text-muted: #a1a1aa;
    --accent: #4169E1;
    --accent-2: #4169E1;
    --accent-3: #6d8fe8;
    --success: #65a875;
    --shadow: 0 24px 60px rgba(0, 0, 0, 0.55);
    --radius: 3px;
    --max-width: 1180px;
    --glow-primary: rgba(65, 105, 225, 0.08);
    --glow-secondary: rgba(65, 105, 225, 0.04);
    --glow-hero-primary: rgba(65, 105, 225, 0.12);
    --glow-hero-secondary: rgba(65, 105, 225, 0.06);
    --nav-bg: rgba(11, 13, 16, 0.96);
    --nav-bg-fade: rgba(11, 13, 16, 0.82);
    --grid-line: transparent;
    --about-overlay-1: rgba(65, 105, 225, 0.06);
    --about-overlay-2: rgba(65, 105, 225, 0.03);
    --tag-bg: rgba(65, 105, 225, 0.08);
    --tag-border: rgba(65, 105, 225, 0.22);
    --card-hover-border: rgba(65, 105, 225, 0.55);
    --card-hover-shadow: rgba(0, 0, 0, 0.65);
    --image-overlay: rgba(11, 13, 16, 0.72);
    --contact-glow-1: rgba(65, 105, 225, 0.06);
    --contact-glow-2: rgba(65, 105, 225, 0.03);
    --email-bg-1: rgba(65, 105, 225, 0.12);
    --email-bg-2: rgba(65, 105, 225, 0.06);
    --social-hover-1: rgba(65, 105, 225, 0.16);
    --social-hover-2: rgba(65, 105, 225, 0.08);
    --cta-shadow: rgba(65, 105, 225, 0.24);
    --section-tint: rgba(65, 105, 225, 0.03);
    --project-image-overlay-1: rgba(65, 105, 225, 0.12);
    --project-image-overlay-2: rgba(11, 13, 16, 0.2);
    --project-cta-bg-1: rgba(65, 105, 225, 0.06);
    --project-cta-bg-2: rgba(11, 13, 16, 0.2);
}

[data-theme="light"] {
    --bg: #f1f1ef;
    --bg-elevated: #ffffff;
    --surface: #e4e3df;
    --surface-2: #d8d6d1;
    --surface-border: rgba(65, 105, 225, 0.24);
    --text: #202124;
    --muted: #57534e;
    --text-muted: #625d56;
    --accent: #4169E1;
    --accent-2: #4169E1;
    --accent-3: #6d8fe8;
    --shadow: 0 18px 45px rgba(35, 28, 18, 0.14);
    --nav-bg: rgba(241, 241, 239, 0.96);
    --nav-bg-fade: rgba(241, 241, 239, 0.82);
    --tag-bg: rgba(65, 105, 225, 0.08);
    --tag-border: rgba(65, 105, 225, 0.2);
    --card-hover-border: rgba(65, 105, 225, 0.52);
    --image-overlay: rgba(20, 18, 14, 0.52);
    --project-image-overlay-1: rgba(65, 105, 225, 0.14);
    --project-image-overlay-2: rgba(20, 18, 14, 0.16);
    --project-cta-bg-1: rgba(65, 105, 225, 0.07);
    --project-cta-bg-2: rgba(20, 18, 14, 0.04);
}

html {
    background: var(--bg);
}

body {
    background:
        radial-gradient(ellipse at 50% 35%, rgba(65, 105, 225, 0.045), transparent 65%),
        var(--bg);
    color: var(--text);
}

nav {
    border-bottom-color: rgba(65, 105, 225, 0.24);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.24);
    gap: 1rem;
}

.logo {
    display: none;
}

.logo-text,
.project-hero h1,
.video-intro h1,
.content-section h2,
.content-section h3,
.cta-section h2 {
    font-family: 'Teko', sans-serif;
    letter-spacing: 0.04em;
}

.logo-text {
    font-size: 1.2rem;
    color: var(--text);
}

nav a {
    font-family: 'Share Tech Mono', monospace;
}

nav a:hover,
nav a:focus-visible {
    color: var(--accent);
}

nav a::after,
.cta-section::before {
    background: var(--accent);
}

.menu-return {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-left: 0;
    padding: 0.65rem 0.9rem;
    border: 1px solid rgba(65, 105, 225, 0.42);
    background: rgba(65, 105, 225, 0.08);
    color: var(--accent);
    font-size: 0.8rem;
    letter-spacing: 0.08em;
    white-space: nowrap;
}

nav .menu-return::after {
    display: none;
}

nav .menu-return:hover,
nav .menu-return:focus-visible {
    border-color: var(--accent);
    background: rgba(65, 105, 225, 0.16);
    color: var(--accent);
}

.project-hero h1,
.video-intro h1 {
    color: var(--accent);
    text-shadow: 0 0 20px rgba(65, 105, 225, 0.35), 2px 2px 0 #000;
    letter-spacing: 0.02em;
}

.project-hero .subtitle,
.content-section p,
.content-section li {
    color: var(--text-muted);
}

.meta-item,
.content-section,
.gallery-item,
.image-container {
    border-color: var(--surface-border);
    border-radius: 3px;
    box-shadow: var(--shadow);
}

.meta-item,
.content-section,
.gallery-item {
    background: linear-gradient(180deg, var(--bg-elevated), var(--surface));
}

.content-section {
    border-left: 2px solid rgba(65, 105, 225, 0.45);
}

.content-section h2,
.cta-section h2 {
    color: var(--accent);
}

.content-section li::before,
.project-home-link .scroll-cue::before {
    color: var(--accent);
}

.tech-item {
    border-radius: 2px;
    color: var(--muted);
}

.btn {
    border-radius: 2px;
    transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

.btn-primary {
    background: var(--accent);
    color: #0b0d10;
}

.btn-primary:hover,
.btn-primary:focus-visible {
    background: #5d7fe6;
}

.btn-secondary {
    border-color: var(--surface-border);
    color: var(--text);
    background: var(--bg-elevated);
}

.btn-secondary:hover,
.btn-secondary:focus-visible,
.project-home-link .scroll-cue:hover,
.project-home-link .scroll-cue:focus-visible {
    color: var(--accent);
    border-color: var(--accent);
}

#theme-toggle-btn {
    border-radius: 2px;
    border-color: var(--surface-border);
    color: var(--accent);
}

.project-home-link .scroll-cue,
.meta-label,
.tech-item,
.cta-footer {
    font-family: 'Share Tech Mono', monospace;
}

.project-home-link .scroll-cue {
    padding: 0.75rem 1rem;
    border: 1px solid var(--surface-border);
    background: rgba(65, 105, 225, 0.06);
}

.lightbox {
    background: rgba(5, 6, 8, 0.92);
}

@media (max-width: 768px) {
    nav .menu-return {
        padding: 0.55rem 0.65rem;
        font-size: 0.7rem;
    }
}

@media (max-width: 380px) {
    nav .logo-text {
        font-size: 1rem;
    }

    nav .menu-return {
        padding: 0.5rem;
        font-size: 0.65rem;
    }
}