/* =====================================================
   NEO-BRUTALIST DARK THEME - Portfolio Website
   ===================================================== */

/* ==================== CSS VARIABLES ==================== */
:root {
    /* Dark Theme Colors (Default) */
    --bg-primary: #0d0d0d;
    --bg-secondary: #1a1a2e;
    --bg-tertiary: #16213e;
    --bg-card: #1a1a2e;
    
    --text-primary: #eaeaea;
    --text-secondary: #b8b8b8;
    --text-muted: #6b6b6b;
    
    --accent-primary: #e94560;
    --accent-secondary: #0f3460;
    --accent-tertiary: #533483;
    --accent-glow: rgba(233, 69, 96, 0.3);
    
    --border-color: #e94560;
    --border-dark: #2a2a2a;
    
    --terminal-bg: #0a0a0a;
    --terminal-text: #00ff41;
    --terminal-prompt: #e94560;
    
    /* Neo-Brutalist Styling */
    --border-width: 4px;
    --shadow-offset: 6px;
    --shadow-brutal: var(--shadow-offset) var(--shadow-offset) 0 var(--border-color);
    --shadow-brutal-hover: 8px 8px 0 var(--border-color);
    
    /* Typography */
    --font-heading: 'Space Grotesk', sans-serif;
    --font-body: 'Space Grotesk', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    
    /* Spacing */
    --section-padding: 100px 0;
    --container-max: 1200px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
}

/* Light Theme */
[data-theme="light"] {
    --bg-primary: #f5f5f5;
    --bg-secondary: #ffffff;
    --bg-tertiary: #e8e8e8;
    --bg-card: #ffffff;
    
    --text-primary: #1a1a2e;
    --text-secondary: #4a4a4a;
    --text-muted: #888888;
    
    --accent-primary: #d63353;
    --border-color: #1a1a2e;
    --border-dark: #cccccc;
    
    --terminal-bg: #1a1a2e;
    --terminal-text: #00ff41;
    
    --shadow-brutal: var(--shadow-offset) var(--shadow-offset) 0 #1a1a2e;
    --shadow-brutal-hover: 8px 8px 0 #1a1a2e;
}

/* ==================== RESET & BASE ==================== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-body);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    transition: background-color var(--transition-medium), color var(--transition-medium);
}

::selection {
    background-color: var(--accent-primary);
    color: var(--bg-primary);
}

a {
    color: var(--accent-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--text-primary);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

/* ==================== UTILITY CLASSES ==================== */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

.highlight {
    color: var(--accent-primary);
    font-weight: 600;
}

.section {
    padding: var(--section-padding);
}

.section__title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    margin-bottom: 60px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.section__title-number {
    font-family: var(--font-mono);
    font-size: 1.2rem;
    color: var(--accent-primary);
}

.section__subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-top: -40px;
    margin-bottom: 40px;
}

/* ==================== BUTTONS ==================== */
.btn {
    display: inline-block;
    padding: 14px 32px;
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: var(--border-width) solid var(--border-color);
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
}

.btn--primary {
    background-color: var(--accent-primary);
    color: var(--bg-primary);
    box-shadow: var(--shadow-brutal);
}

.btn--primary:hover {
    transform: translate(-4px, -4px);
    box-shadow: var(--shadow-brutal-hover);
    color: var(--bg-primary);
}

.btn--secondary {
    background-color: transparent;
    color: var(--text-primary);
    box-shadow: var(--shadow-brutal);
}

.btn--secondary:hover {
    background-color: var(--accent-primary);
    color: var(--bg-primary);
    transform: translate(-4px, -4px);
    box-shadow: var(--shadow-brutal-hover);
}

.btn--full {
    width: 100%;
    text-align: center;
}

/* ==================== CARDS ==================== */
.card {
    background-color: var(--bg-card);
    border: var(--border-width) solid var(--border-color);
    box-shadow: var(--shadow-brutal);
    padding: 24px;
    transition: all var(--transition-fast);
}

.card:hover {
    transform: translate(-4px, -4px);
    box-shadow: var(--shadow-brutal-hover);
}

/* ==================== TAGS ==================== */
.tag {
    display: inline-block;
    padding: 4px 12px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    background-color: var(--bg-tertiary);
    color: var(--accent-primary);
    border: 2px solid var(--border-dark);
    margin-right: 8px;
    margin-bottom: 8px;
}

.skill-tag {
    display: inline-block;
    padding: 8px 16px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    border: 2px solid var(--accent-primary);
    margin-right: 8px;
    margin-bottom: 8px;
    transition: all var(--transition-fast);
}

.skill-tag:hover {
    background-color: var(--accent-primary);
    color: var(--bg-primary);
}

/* ==================== NAVIGATION ==================== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(13, 13, 13, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: var(--border-width) solid var(--border-dark);
    transition: background-color var(--transition-medium);
}

[data-theme="light"] .nav {
    background-color: rgba(245, 245, 245, 0.95);
}

.nav__container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav__logo {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.nav__logo-bracket {
    color: var(--accent-primary);
}

.nav__menu {
    display: flex;
    gap: 32px;
}

.nav__link {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    padding: 8px 0;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background-color: var(--accent-primary);
    transition: width var(--transition-fast);
}

.nav__link:hover {
    color: var(--text-primary);
}

.nav__link:hover::after {
    width: 100%;
}

.nav__actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

/* Theme Toggle */
.theme-toggle {
    width: 48px;
    height: 48px;
    border: var(--border-width) solid var(--border-color);
    background-color: var(--bg-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    box-shadow: 3px 3px 0 var(--border-color);
    transition: all var(--transition-fast);
}

.theme-toggle:hover {
    transform: translate(-2px, -2px);
    box-shadow: 5px 5px 0 var(--border-color);
}

.theme-toggle__icon {
    font-size: 1.2rem;
    position: absolute;
    transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.theme-toggle__icon--sun {
    opacity: 0;
    transform: rotate(-90deg);
}

.theme-toggle__icon--moon {
    opacity: 1;
    transform: rotate(0);
}

[data-theme="light"] .theme-toggle__icon--sun {
    opacity: 1;
    transform: rotate(0);
}

[data-theme="light"] .theme-toggle__icon--moon {
    opacity: 0;
    transform: rotate(90deg);
}

/* Mobile Menu */
.nav__hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav__hamburger span {
    display: block;
    width: 100%;
    height: 3px;
    background-color: var(--text-primary);
    transition: all var(--transition-fast);
}

/* ==================== HERO SECTION ==================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 100px;
    background: 
        linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 50%, var(--bg-tertiary) 100%);
}

.hero__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero__greeting {
    font-family: var(--font-mono);
    font-size: 1rem;
    color: var(--accent-primary);
    margin-bottom: 8px;
}

.hero__name {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 8px;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__title {
    font-family: var(--font-heading);
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.hero__description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
    max-width: 500px;
}

.hero__cta {
    display: flex;
    gap: 16px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.hero__skills {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

/* ==================== TERMINAL ==================== */
.terminal {
    background-color: var(--terminal-bg);
    border: var(--border-width) solid var(--accent-primary);
    box-shadow: var(--shadow-brutal);
    font-family: var(--font-mono);
    overflow: hidden;
}

.terminal__header {
    background-color: var(--bg-tertiary);
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 16px;
    border-bottom: 2px solid var(--accent-primary);
}

.terminal__buttons {
    display: flex;
    gap: 8px;
}

.terminal__btn {
    width: 14px;
    height: 14px;
    border-radius: 50%;
}

.terminal__btn--close { background-color: #ff5f56; }
.terminal__btn--minimize { background-color: #ffbd2e; }
.terminal__btn--maximize { background-color: #27ca3f; }

.terminal__title {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.terminal__body {
    padding: 16px;
    min-height: 250px;
    max-height: 350px;
    overflow-y: auto;
}

.terminal__output {
    margin-bottom: 16px;
}

.terminal__line {
    margin-bottom: 4px;
    color: var(--text-primary);
}

.terminal__prompt {
    color: var(--terminal-prompt);
    margin-right: 8px;
}

.terminal__response {
    color: var(--terminal-text);
    margin-bottom: 8px;
    padding-left: 20px;
}

.terminal__response--highlight {
    color: var(--accent-primary);
}

.terminal__input-line {
    display: flex;
    align-items: center;
}

.terminal__input {
    flex: 1;
    background: none;
    border: none;
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    outline: none;
    caret-color: var(--terminal-text);
}

.terminal__input::placeholder {
    color: var(--text-muted);
}

/* ==================== EXPERIENCE SECTION ==================== */
.experience {
    background-color: var(--bg-secondary);
}

.timeline {
    position: relative;
    padding-left: 40px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(180deg, var(--accent-primary), var(--accent-tertiary));
}

.timeline__item {
    position: relative;
    margin-bottom: 40px;
}

.timeline__item:last-child {
    margin-bottom: 0;
}

.timeline__marker {
    position: absolute;
    left: -48px;
    top: 24px;
    width: 20px;
    height: 20px;
    background-color: var(--accent-primary);
    border: 4px solid var(--bg-secondary);
    transform: rotate(45deg);
}

.timeline__content {
    padding: 24px;
}

.timeline__header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 8px;
    flex-wrap: wrap;
    gap: 8px;
}

.timeline__role {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-primary);
}

.timeline__date {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--accent-primary);
    background-color: var(--bg-tertiary);
    padding: 4px 12px;
    border: 2px solid var(--accent-primary);
}

.timeline__company {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.timeline__location {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.timeline__details {
    list-style: none;
    margin-bottom: 16px;
}

.timeline__details li {
    position: relative;
    padding-left: 24px;
    margin-bottom: 12px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.timeline__details li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--accent-primary);
    font-size: 1.2rem;
}

.timeline__tags {
    display: flex;
    flex-wrap: wrap;
}

/* ==================== PROJECTS SECTION ==================== */
.projects__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 32px;
}

.project-card {
    display: flex;
    flex-direction: column;
}

.project-card__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.project-card__icon {
    font-size: 2.5rem;
}

.project-card__links {
    display: flex;
    gap: 12px;
}

.project-card__link {
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.project-card__link:hover {
    color: var(--accent-primary);
}

.project-card__title {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.project-card__description {
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.6;
}

.project-card__features {
    list-style: none;
    margin-bottom: 16px;
    flex-grow: 1;
}

.project-card__features li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.project-card__features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-primary);
}

.project-card__tags {
    display: flex;
    flex-wrap: wrap;
    margin-top: auto;
}

.project-card--add {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 300px;
    border-style: dashed;
    opacity: 0.6;
}

.project-card--add:hover {
    opacity: 1;
}

.project-card__add-content {
    text-align: center;
    color: var(--text-muted);
}

.project-card__add-icon {
    font-size: 3rem;
    display: block;
    margin-bottom: 16px;
    color: var(--accent-primary);
}

/* ==================== BLOG SECTION ==================== */
.blog {
    background-color: var(--bg-secondary);
}

.blog__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
    margin-bottom: 40px;
}

.blog-card {
    padding: 24px;
}

.blog-card__meta {
    display: flex;
    gap: 16px;
    margin-bottom: 12px;
    font-family: var(--font-mono);
    font-size: 0.8rem;
}

.blog-card__date {
    color: var(--accent-primary);
}

.blog-card__read-time {
    color: var(--text-muted);
}

.blog-card__title {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.blog-card__excerpt {
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.6;
}

.blog-card__link {
    font-family: var(--font-heading);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.blog-card__link .arrow {
    transition: transform var(--transition-fast);
}

.blog-card__link:hover .arrow {
    transform: translateX(4px);
}

.blog__cta {
    text-align: center;
}

/* ==================== CONTACT SECTION ==================== */
.contact__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact__text {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
    line-height: 1.8;
}

.contact__links {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact__link {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.1rem;
    color: var(--text-secondary);
    padding: 16px;
    background-color: var(--bg-secondary);
    border: 2px solid var(--border-dark);
    transition: all var(--transition-fast);
}

.contact__link:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    transform: translateX(8px);
}

.contact__link-icon {
    font-size: 1.5rem;
}

.contact__form {
    background-color: var(--bg-secondary);
    border: var(--border-width) solid var(--border-color);
    box-shadow: var(--shadow-brutal);
    padding: 32px;
}

.form-group {
    margin-bottom: 24px;
}

.form-label {
    display: block;
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.form-input {
    width: 100%;
    padding: 14px 16px;
    font-family: var(--font-body);
    font-size: 1rem;
    background-color: var(--bg-primary);
    border: 3px solid var(--border-dark);
    color: var(--text-primary);
    transition: border-color var(--transition-fast);
}

.form-input:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

/* ==================== FOOTER ==================== */
.footer {
    background-color: var(--bg-tertiary);
    padding: 40px 0;
    text-align: center;
    border-top: var(--border-width) solid var(--border-dark);
}

.footer__text {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.footer__copyright {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ==================== RESPONSIVE DESIGN ==================== */
@media (max-width: 968px) {
    .hero__content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .terminal {
        order: -1;
        max-width: 100%;
    }
    
    .contact__content {
        grid-template-columns: 1fr;
    }
    
    .nav__menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--bg-secondary);
        border-bottom: var(--border-width) solid var(--border-color);
        flex-direction: column;
        padding: 24px;
        gap: 16px;
    }
    
    .nav__menu.active {
        display: flex;
    }
    
    .nav__hamburger {
        display: flex;
    }
}

@media (max-width: 768px) {
    .section {
        padding: 60px 0;
    }
    
    .section__title {
        font-size: 1.8rem;
        margin-bottom: 40px;
    }
    
    .projects__grid {
        grid-template-columns: 1fr;
    }
    
    .blog__grid {
        grid-template-columns: 1fr;
    }
    
    .hero__cta {
        flex-direction: column;
    }
    
    .btn {
        text-align: center;
    }
    
    .timeline {
        padding-left: 30px;
    }
    
    .timeline__marker {
        left: -38px;
        width: 16px;
        height: 16px;
    }
    
    .timeline__header {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .hero__name {
        font-size: 2.2rem;
    }
    
    .card {
        padding: 16px;
    }
    
    .terminal__body {
        min-height: 200px;
        font-size: 0.85rem;
    }
}

/* ==================== ANIMATIONS ==================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

.terminal__input::after {
    content: '▋';
    animation: blink 1s infinite;
}

/* Smooth reveal on scroll */
.timeline__item,
.project-card,
.blog-card {
    animation: fadeInUp 0.6s ease forwards;
}

/* Staggered delays for cards */
.project-card:nth-child(1) { animation-delay: 0.1s; }
.project-card:nth-child(2) { animation-delay: 0.2s; }
.project-card:nth-child(3) { animation-delay: 0.3s; }

.timeline__item:nth-child(1) { animation-delay: 0.1s; }
.timeline__item:nth-child(2) { animation-delay: 0.2s; }
.timeline__item:nth-child(3) { animation-delay: 0.3s; }