/* Atlantis Cyber Engineer - Portfolio Styles */
:root {
    --bg-dark: #0d1117;
    --bg-card: #161b22;
    --bg-elevated: #21262d;
    --accent: #00d4aa;
    --accent-dim: #00a88a;
    --accent-glow: rgba(0, 212, 170, 0.25);
    --text: #e6edf3;
    --text-muted: #8b949e;
    --border: #30363d;
    --cta-text: #0d1117;
    --nav-bg: rgba(13, 17, 23, 0.9);
    --nav-bg-scrolled: rgba(13, 17, 23, 0.98);
    --font-sans: 'Outfit', system-ui, sans-serif;
    --font-mono: 'Orbitron', monospace;
}

[data-theme="light"] {
    --bg-dark: #f6f8fa;
    --bg-card: #ffffff;
    --bg-elevated: #eaeef2;
    --accent: #008f72;
    --accent-dim: #007a63;
    --accent-glow: rgba(0, 143, 114, 0.15);
    --text: #24292f;
    --text-muted: #57606a;
    --border: #d0d7de;
    --cta-text: #ffffff;
    --nav-bg: rgba(255, 255, 255, 0.9);
    --nav-bg-scrolled: rgba(255, 255, 255, 0.98);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: var(--font-sans);
    background: var(--bg-dark);
    color: var(--text);
    line-height: 1.6;
    transition: background-color 0.3s, color 0.3s;
}

/* Theme toggle */
.nav-theme-wrap {
    display: flex;
    align-items: center;
    margin-left: auto;
}

.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    padding: 0;
    margin-right: 1rem;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
    font-size: 1.2rem;
    transition: background 0.2s, border-color 0.2s;
}

.theme-toggle:hover {
    background: var(--accent);
    border-color: var(--accent);
}

.theme-icon {
    position: absolute;
    transition: opacity 0.2s, transform 0.2s;
}

.theme-icon.moon {
    opacity: 1;
}

.theme-icon.sun {
    opacity: 0;
}

[data-theme="light"] .theme-icon.moon {
    opacity: 0;
}

[data-theme="light"] .theme-icon.sun {
    opacity: 1;
}

.theme-toggle {
    position: relative;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--nav-bg);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    transition: background 0.3s, border-color 0.3s;
}

.brand {
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--accent);
    text-decoration: none;
    font-family: var(--font-mono);
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 400;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--accent);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text);
}

.navbar.scrolled {
    background: var(--nav-bg-scrolled);
}

/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 7rem 2rem 4rem;
    background:
        radial-gradient(circle at 78% 28%, var(--accent-glow) 0%, transparent 28%),
        radial-gradient(ellipse at 50% 0%, var(--accent-glow) 0%, transparent 50%);
}

.hero-content {
    width: min(1120px, 100%);
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.75fr);
    align-items: center;
    gap: clamp(2rem, 5vw, 5rem);
}

.hero-text {
    text-align: left;
}

.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0 0 1rem;
    padding: 0.45rem 0.75rem;
    color: var(--accent);
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 999px;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    letter-spacing: 0.02em;
}

.hero h1 {
    font-size: clamp(3rem, 8vw, 5.6rem);
    line-height: 0.95;
    font-weight: 700;
    margin: 0 0 0.75rem;
    letter-spacing: -0.05em;
}

.tagline {
    font-family: var(--font-mono);
    color: var(--accent);
    font-size: clamp(1rem, 2.4vw, 1.25rem);
    margin: 0 0 1.5rem;
}

.hero-summary {
    max-width: 680px;
    color: var(--text-muted);
    font-size: 1.14rem;
    margin: 0 0 2rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: center;
    margin-bottom: 2rem;
}

.cta-btn,
.secondary-btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    text-decoration: none;
    font-weight: 700;
    border-radius: 10px;
    transition: background 0.2s, border-color 0.2s, color 0.2s, transform 0.2s, box-shadow 0.2s;
}

.cta-btn {
    background: var(--accent);
    color: var(--cta-text);
    box-shadow: 0 12px 30px var(--accent-glow);
}

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

.secondary-btn {
    color: var(--text);
    border: 1px solid var(--border);
    background: var(--bg-card);
}

.secondary-btn:hover {
    color: var(--accent);
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px var(--accent-glow);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.75rem;
    max-width: 640px;
}

.hero-stats div {
    padding: 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
}

.hero-stats strong,
.hero-stats span {
    display: block;
}

.hero-stats strong {
    color: var(--accent);
    font-family: var(--font-mono);
    font-size: 1.2rem;
}

.hero-stats span {
    color: var(--text-muted);
    font-size: 0.82rem;
}

.hero-image-wrap {
    position: relative;
    justify-self: center;
    width: min(380px, 100%);
}

.hero-image-glow {
    position: absolute;
    inset: -18px;
    background:
        linear-gradient(135deg, transparent 0%, var(--accent-glow) 48%, transparent 100%),
        radial-gradient(circle, var(--accent-glow) 0%, transparent 62%);
    border-radius: 32px;
    filter: blur(2px);
}

.profile-img {
    position: relative;
    z-index: 1;
    display: block;
    width: 100%;
    aspect-ratio: 4 / 5;
    border-radius: 28px;
    object-fit: cover;
    object-position: center;
    border: 2px solid var(--accent);
    box-shadow: 0 0 40px var(--accent-glow), 0 24px 80px rgba(0, 0, 0, 0.35);
}

/* Sections */
.section {
    max-width: 900px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.section h2 {
    font-size: 1.75rem;
    margin: 0 0 2rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--accent);
    color: var(--text);
}

/* Timeline */
.timeline {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.timeline-item,
.skill-category,
.project-card,
.contact-item {
    transition: background-color 0.3s, border-color 0.3s, color 0.3s, box-shadow 0.3s;
}

.timeline-item {
    padding: 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.timeline-item:hover {
    border-color: var(--accent);
    box-shadow: 0 0 20px var(--accent-glow);
}

.timeline-item h3 {
    margin: 0 0 0.25rem;
    font-size: 1.15rem;
}

.timeline-item .company,
.timeline-item .date {
    display: inline-block;
    font-size: 0.9rem;
    color: var(--accent);
    margin-right: 1rem;
}

.timeline-item p {
    margin: 1rem 0 0;
    color: var(--text-muted);
}

/* Skills */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.skill-category {
    padding: 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
}

.skill-category h3 {
    margin: 0 0 1rem;
    font-size: 1rem;
    color: var(--accent);
}

.skill-image {
    margin: 0 0 1rem;
    border-radius: 6px;
    overflow: hidden;
}

.skill-image img {
    display: block;
    width: 100%;
    height: 140px;
    object-fit: cover;
    filter: saturate(1.1);
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.skill-tags span {
    padding: 0.35rem 0.75rem;
    background: var(--bg-elevated);
    border-radius: 4px;
    font-size: 0.85rem;
    font-family: var(--font-mono);
}

/* Projects */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
}

.project-card {
    padding: 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
    transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}

.project-card:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
    box-shadow: 0 8px 30px var(--accent-glow);
}

.project-card h3 {
    margin: 0 0 0.75rem;
    font-size: 1.15rem;
}

.project-card p {
    color: var(--text-muted);
    margin: 0 0 1rem;
    font-size: 0.95rem;
}

.project-card .tech {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--accent);
}

/* Contact */
.contact-section .contact-links {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.contact-item {
    flex: 1;
    min-width: 200px;
    padding: 1.25rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    text-decoration: none;
    color: inherit;
    transition: border-color 0.2s;
}

.contact-item:hover {
    border-color: var(--accent);
}

.contact-label {
    display: block;
    font-size: 0.85rem;
    color: var(--accent);
    margin-bottom: 0.25rem;
}

.contact-value {
    font-size: 1rem;
}

/* Footer */
footer {
    text-align: center;
    padding: 2rem;
    border-top: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        flex-direction: column;
        gap: 0;
        background: var(--bg-card);
        padding: 1rem;
        border-bottom: 1px solid var(--border);
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: transform 0.3s, opacity 0.3s;
    }

    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }

.nav-links li {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border);
}

.nav-links li.nav-theme-wrap {
    border-bottom: none;
    padding: 0.5rem 0;
}

    .hero {
        min-height: auto;
        padding-top: 6.5rem;
    }

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

    .hero-text {
        text-align: center;
    }

    .hero-actions {
        justify-content: center;
    }

    .hero-stats {
        grid-template-columns: 1fr;
        margin: 0 auto;
    }

    .hero-image-wrap {
        width: min(300px, 85vw);
        order: -1;
    }
}

/* Branding Styles */
.brand {
    font-size: 1.5rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--accent);
}

/* Image Optimization */
.skill-img-context, .project-card-img {
    width: 100%;
    height: 200px; /* Fixed height for consistency */
    object-fit: cover; /* Ensures images fill space without stretching */
    border-radius: 4px;
    margin-bottom: 1rem;
    border: 1px solid var(--border);
    display: block;
}

/* Cyber Glow Hover Effect */
.skill-tags span {
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.skill-tags span:hover {
    background: var(--bg-dark);
    color: var(--accent);
    border-color: var(--accent);
    box-shadow: 0 0 10px var(--accent-glow);
    transform: translateY(-2px);
}