:root {
    --bg-primary: #1a1a1a;
    --bg-secondary: #242424;
    --bg-card: #2e2e2e;
    --bg-header: #2e2e2e;
    --text-primary: #e0e0e0;
    --text-secondary: #ffffff;
    --text-paragraph: #a8d8ea;
    --accent-color: #00d4ff;
    --accent-hover: #00b8e6;
    --border-color: #3a3a3a;
    --hero-gradient-start: #2a2a3e;
    --hero-gradient-end: #26314e;
}

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

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: background-color 0.3s, color 0.3s;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    min-height: 100vh;
}

main {
    flex: 1;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--text-primary);
}

/* Header & Navigation */
header {
    background-color: var(--bg-header);
    color: var(--text-secondary);
    padding: 1.5rem 0;
    position: relative;
    width: 100%;
    box-shadow: 0 2px 5px rgba(0,0,0,0.5);
    transition: background-color 0.3s;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.logo h1 {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin: 0;
}

.logo h2 {
    font-size: 0.95rem;
    font-weight: 400;
    color: var(--accent-color);
    margin: 5px 0 0 0;
    font-style: italic;
    letter-spacing: 0.5px;
}

.nav-links {
    display: flex;
    flex-wrap: wrap;
    list-style: none;
    gap: 2rem;
}

.theme-selector {
    margin-left: 2rem;
}

.theme-selector select {
    padding: 8px 15px;
    border-radius: 5px;
    border: 1px solid var(--border-color);
    background-color: var(--bg-card);
    color: var(--text-primary);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s;
}

.theme-selector select:hover {
    border-color: var(--accent-color, #00d4ff);
}

.theme-selector select:focus {
    outline: none;
    border-color: var(--accent-color, #00d4ff);
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s;
}
.nav-links a:hover {
    color: var(--accent-color);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--hero-gradient-start) 0%, var(--hero-gradient-end) 100%);
    color: var(--text-secondary);
    padding: 150px 20px 100px;
    text-align: center;
    margin-top: 60px;
    transition: background 0.3s;
}

.hero-content h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero-content p {
    font-size: 1.5rem;
    margin-bottom: 2rem;
}

.cta-button {
    background-color: var(--accent-color);
    color: var(--bg-primary);
    border: none;
    padding: 15px 40px;
    font-size: 1.1rem;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s, transform 0.2s;
    font-weight: 600;
}

.cta-button:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
}

/* About Section */
.about {
    padding: 80px 20px;
    background-color: var(--bg-secondary);
    transition: background-color 0.3s;
}

.about h2 {
    text-align: center;
    font-size: 2.5rem;
    color: var(--text-primary);
}

.about p {
    text-align: center;
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto;
    color: var(--text-paragraph);
}

.services {
    padding: 80px 20px;
    background-color: var(--bg-primary);
    transition: background-color 0.3s;
}

.services h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--text-secondary);
}
.service-card {
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.5);
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s, background-color 0.3s;
    border: 1px solid var(--border-color);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.3);
}
.service-card p {
    color: var(--text-paragraph);
}
/* Contact Section */
.contact {
    padding: 80px 20px;
    background-color: var(--bg-secondary);
    transition: background-color 0.3s;
}

.contact h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--text-secondary);
}

.contact-intro {
    text-align: center;
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

.contact-info {
    display: flex;
    justify-content: center;
    margin-bottom: 3rem;
}

.email-display {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem 2rem;
    background-color: var(--bg-card);
    border-radius: 10px;
    border: 1px solid var(--border-color);
}

.email-display svg {
    color: var(--accent-color);
    flex-shrink: 0;
}

.email-link {
    color: var(--accent-color);
    text-decoration: none;
    font-size: 1.2rem;
    font-weight: 500;
    transition: color 0.3s;
}

.email-link:hover {
    color: var(--accent-hover);
    text-decoration: underline;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-form input,
.contact-form textarea {
    padding: 15px;
    border: 1px solid #2a2a2a;
    border-radius: 5px;
    font-size: 1rem;
    font-family: inherit;
    background-color: #1a1a1a;
    color: #e0e0e0;
}

.form-buttons {
    display: flex;
    gap: 1rem;
}

.contact-form button {
    flex: 1;
    background-color: var(--accent-color);
    color: var(--bg-primary);
    border: 1px solid var(--accent-color);
    padding: 15px;
    font-size: 1.1rem;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s, color 0.3s;
}

.contact-form button:hover {
    background-color: var(--accent-hover);
}

/* Secondary action: present, but never competing with Send for attention. */
.contact-form button.clear-button {
    flex: 0 0 auto;
    background-color: transparent;
    color: var(--text-paragraph);
    border-color: var(--border-color);
}

.contact-form button.clear-button:hover {
    background-color: transparent;
    border-color: var(--accent-color);
    color: var(--accent-color);
}

footer {
    background-color: #2c3e50;
}

/* Responsive Styles */
@media (max-width: 768px) {
    nav {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-links {
        flex-direction: column;
        gap: 1rem;
        width: 100%;
        align-items: flex-start;
    }

    .theme-selector {
        margin-left: 0;
        margin-top: 1rem;
        width: 100%;
    }

    .theme-selector select {
        width: 100%;
    }

    .hero-content h2 {
        font-size: 2rem;
    }

    .hero-content p {
        font-size: 1.2rem;
    }

    .service-grid {
        grid-template-columns: 1fr;
    }
}

/* Projects index
   Every colour here is a theme variable, so all 31 themes work without
   this file knowing any of them. */
.projects {
    padding: 80px 20px;
    background-color: var(--bg-primary);
}

.projects h2 {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.projects-intro {
    color: var(--text-paragraph);
    max-width: 60ch;
    margin-bottom: 2rem;
}

.projects-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: center;
    margin-bottom: 1rem;
}

.projects-controls input[type="search"] {
    flex: 1 1 18rem;
    padding: 0.6rem 0.9rem;
    font-size: 1rem;
    color: var(--text-primary);
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 5px;
}

.projects-controls input[type="search"]:focus {
    outline: none;
    border-color: var(--accent-color);
}

.projects-toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-paragraph);
    font-size: 0.9rem;
    cursor: pointer;
}

.projects-status {
    color: var(--text-paragraph);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(17rem, 1fr));
    gap: 1.5rem;
}

.project-card {
    display: flex;
    flex-direction: column;
    padding: 1.5rem;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    transition: border-color 0.3s, transform 0.3s;
}

.project-card:hover {
    border-color: var(--accent-color);
    transform: translateY(-3px);
}

/* A left edge marks the ones you can actually look at, so the eye can skip
   straight to them without reading every card. */
.project-card--live {
    border-left: 3px solid var(--accent-color);
}

.project-card h3 {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    overflow-wrap: anywhere;
}

.project-tag {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--bg-primary);
    background-color: var(--text-paragraph);
    padding: 0.1rem 0.4rem;
    border-radius: 3px;
    vertical-align: middle;
}

.project-desc {
    color: var(--text-paragraph);
    font-size: 0.9rem;
    line-height: 1.5;
    flex: 1;
}

.project-meta {
    color: var(--text-primary);
    font-size: 0.8rem;
    opacity: 0.7;
    margin-top: 0.75rem;
}

.project-links {
    display: flex;
    gap: 0.75rem;
    margin-top: 1rem;
}

.project-link {
    color: var(--accent-color);
    text-decoration: none;
    font-size: 0.9rem;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    padding: 0.35rem 0.8rem;
    transition: border-color 0.3s, color 0.3s;
}

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

.project-link--site {
    border-color: var(--accent-color);
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
}

/* Confirmation that Clear actually did something.
   Without it, a reload landing on empty fields proves nothing -- they might
   have been empty already. */
.form-notice {
    max-width: 600px;
    margin: 0 auto 1rem;
    padding: 0.75rem 1rem;
    border: 1px solid var(--accent-color);
    border-radius: 5px;
    background-color: var(--bg-card);
    color: var(--accent-color);
    text-align: center;
    font-size: 0.95rem;
    transition: opacity 0.4s;
}

.form-notice[hidden] {
    display: none;
}

.form-notice.is-fading {
    opacity: 0;
}

/* Contact fields.
   Deliberately NOT <input>/<textarea>: the browser only autofills form
   controls, so a contenteditable element cannot be autofilled at all. That
   ends the problem rather than arguing with it. */
.contact-form .field {
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    background-color: var(--bg-card);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    line-height: 1.5;
    min-height: 1.5rem;
    outline: none;
    overflow-wrap: anywhere;
}

.contact-form .field--message {
    min-height: 7rem;
}

.contact-form .field:focus {
    border-color: var(--accent-color);
}

.contact-form .field:empty::before {
    content: attr(data-placeholder);
    color: var(--text-primary);
    opacity: 0.5;
}