/* ====== CSS VARIABLES & THEME ====== */
:root {
    --bg-dark: #0f172a;           /* Deep navy/black for industrial base */
    --bg-card: #1e293b;           /* Slightly lighter for cards/panels */
    --bg-input: #334155;          /* Input backgrounds */
    
    --accent-red: #e11d48;        /* Allen-Bradley inspired Red */
    --accent-red-glow: rgba(225, 29, 72, 0.4);
    --accent-cyan: #06b6d4;       /* Tech Cyan for contrast */
    
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    
    --border: rgba(255, 255, 255, 0.1);
    
    --font-main: 'Inter', sans-serif;
    --font-mono: 'Roboto Mono', monospace;
}

/* ====== RESET & GLOBAL ====== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-family: var(--font-main);
    background-color: var(--bg-dark);
    color: var(--text-primary);
}

body {
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

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

.highlight {
    color: var(--accent-red);
    font-weight: 700;
}

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

.section {
    padding: 100px 0;
}

.section-dark {
    background-color: var(--bg-card);
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 3rem;
    font-family: var(--font-mono);
}

/* ====== BUTTONS ====== */
.btn-primary, .btn-primary-sm {
    background: var(--accent-red);
    color: white;
    padding: 14px 28px;
    border-radius: 4px; /* Industrial sharp edges */
    font-weight: 600;
    font-family: var(--font-mono);
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    display: inline-block;
    box-shadow: 0 4px 15px var(--accent-red-glow);
}

.btn-primary:hover, .btn-primary-sm:hover {
    background: #be123c;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--accent-red-glow);
}

.btn-primary-sm {
    padding: 10px 20px;
    font-size: 0.85rem;
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    padding: 14px 28px;
    border-radius: 4px;
    font-weight: 600;
    font-family: var(--font-mono);
    border: 2px solid var(--border);
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    display: inline-block;
}

.btn-outline:hover {
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
}

.btn-text {
    color: var(--accent-cyan);
    font-weight: 600;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    transition: 0.3s;
}

.btn-text:hover {
    color: #fff;
    margin-left: 5px;
}

/* ====== NAVBAR ====== */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    padding: 20px 0;
    z-index: 1000;
    transition: all 0.3s ease;
    background: transparent;
}

.navbar.scrolled {
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    padding: 15px 0;
    border-bottom: 1px solid var(--border);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 900;
    font-family: var(--font-mono);
    letter-spacing: 2px;
}

.logo-icon {
    color: var(--accent-red);
}

.nav-brand-logo {
    height: 80px; /* Resize this value to make your logo bigger/smaller */
    width: auto;
    display: block;
}

.nav-links {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-links a:not(.btn-primary-sm) {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: color 0.3s;
}

.nav-links a:hover:not(.btn-primary-sm) {
    color: var(--accent-cyan);
}

.hamburger {
    display: none;
    cursor: pointer;
}

.hamburger span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    margin: 5px 0;
    transition: 0.3s;
}

/* ====== HERO ====== */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: linear-gradient(to bottom right, #0f172a, #1e293b);
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    /* Subtle grid pattern for "industrial diagram" feel */
    background-image: linear-gradient(var(--border) 1px, transparent 1px),
                      linear-gradient(90deg, var(--border) 1px, transparent 1px);
    background-size: 50px 50px;
    opacity: 0.15;
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    padding: 0 20px;
}

.hero-greeting {
    font-family: var(--font-mono);
    color: var(--accent-cyan);
    letter-spacing: 3px;
    margin-bottom: 20px;
    font-size: 1rem;
}

.hero-title {
    font-size: 4rem;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 25px;
}

.typewriter {
    background: linear-gradient(to right, #fff, var(--text-secondary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.cursor {
    animation: blink 1s infinite;
    color: var(--accent-red);
}

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

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.tech-marquee {
    position: absolute;
    bottom: 0;
    width: 100%;
    background: var(--accent-red);
    color: white;
    font-family: var(--font-mono);
    font-weight: 600;
    padding: 10px 0;
    overflow: hidden;
    z-index: 2;
    font-size: 0.9rem;
}

.marquee-content {
    display: flex;
    white-space: nowrap;
    animation: scroll-left 25s linear infinite;
}

.marquee-content span {
    padding: 0 20px;
}

@keyframes scroll-left {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* ====== ABOUT ====== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-image-container {
    position: relative;
}

.about-img {
    width: 100%;
    border-radius: 8px;
    border: 1px solid var(--border);
    box-shadow: -15px 15px 0 var(--bg-input);
}

.years-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background: var(--accent-cyan);
    color: #000;
    padding: 20px;
    border-radius: 4px;
    text-align: center;
    font-family: var(--font-mono);
    box-shadow: 0 10px 30px rgba(6, 182, 212, 0.3);
}

.years-badge h2 {
    font-size: 2.5rem;
    font-weight: 900;
}

.about-text p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 20px;
}

.stats-row {
    display: flex;
    gap: 40px;
    margin-top: 40px;
    border-top: 1px solid var(--border);
    padding-top: 30px;
}

.stat-num {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-primary);
    display: inline-block;
}

.stat-item span {
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent-red);
}

.stat-text {
    color: var(--accent-cyan);
    font-family: var(--font-mono);
    font-size: 0.9rem;
}

/* ====== SKILLS ====== */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.skill-card {
    background: var(--bg-dark);
    border: 1px solid var(--border);
    padding: 30px;
    border-radius: 8px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.skill-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    border-color: rgba(225, 29, 72, 0.3);
}

.skill-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.skill-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
}

.skill-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 20px;
}

.skill-more-info {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, opacity 0.4s ease, margin-top 0.4s ease;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.skill-more-info ul {
    padding-left: 20px;
    margin-bottom: 20px;
}

.skill-more-info li {
    margin-bottom: 6px;
}

.skill-card.expanded .skill-more-info {
    max-height: 250px;
    opacity: 1;
    margin-top: 10px;
}

.skill-card::after {
    content: "▼ Click to expand";
    display: block;
    text-align: center;
    font-size: 10px;
    color: var(--accent-cyan);
    margin-top: 15px;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.skill-card.expanded::after {
    content: "▲ Collapse";
}

.skill-bar-container {
    width: 100%;
    height: 6px;
    background: var(--bg-input);
    border-radius: 3px;
    overflow: hidden;
}

.skill-bar {
    height: 100%;
    background: var(--accent-red);
    border-radius: 3px;
}

/* ====== PORTFOLIO ====== */
.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.project-card {
    background: var(--bg-card);
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border);
    transition: 0.3s;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.4);
}

.project-img-wrapper {
    position: relative;
    height: 220px;
    overflow: hidden;
}

.project-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: 0.5s;
}

.project-card:hover .project-img {
    transform: scale(1.05);
}

.project-tags {
    position: absolute;
    bottom: 15px;
    left: 15px;
    display: flex;
    gap: 10px;
}

.tag {
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(5px);
    color: var(--accent-cyan);
    padding: 4px 10px;
    font-size: 0.8rem;
    font-family: var(--font-mono);
    border-radius: 4px;
    font-weight: 600;
}

.project-info {
    padding: 25px;
}

.project-info h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
}

.project-info p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 20px;
}

/* ====== NEWS ====== */
.news-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
    max-width: 800px;
    margin: 0 auto;
}

.news-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    display: flex;
    padding: 25px;
    gap: 30px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.news-card:hover {
    transform: translateX(10px);
    box-shadow: -10px 10px 30px rgba(0,0,0,0.3);
    border-color: rgba(6, 182, 212, 0.4);
}

.news-date {
    min-width: 120px;
    font-family: var(--font-mono);
    color: var(--accent-red);
    font-weight: 600;
    font-size: 0.9rem;
}

.news-content h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.news-content p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 15px;
    font-size: 0.95rem;
}

.news-expanded-content {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height 0.5s ease-in-out, opacity 0.4s ease, margin-top 0.4s ease;
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

.news-expanded-content.show {
    max-height: 2000px;
    opacity: 1;
    margin-top: 20px;
    padding-top: 15px;
    border-top: 1px dashed var(--border);
}

.btn-read-more {
    background: transparent;
    color: var(--accent-cyan);
    border: none;
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    padding: 0;
    margin-top: 5px;
    transition: 0.3s;
}

.btn-read-more:hover {
    color: #fff;
    margin-left: 5px;
}

@media (max-width: 768px) {
    .news-card {
        flex-direction: column;
        gap: 10px;
    }
}

/* ====== CONTACT ====== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.method-icon {
    background: var(--bg-input);
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    font-size: 1.5rem;
}

.method-item {
    display: flex;
    gap: 20px;
    align-items: center;
}

.method-item h4 {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 5px;
}

.method-item a {
    font-family: var(--font-mono);
    font-size: 1.1rem;
    font-weight: 600;
    transition: 0.3s;
}

.method-item a:hover {
    color: var(--accent-cyan);
}

.contact-form {
    background: var(--bg-dark);
    padding: 35px;
    border-radius: 8px;
    border: 1px solid var(--border);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-family: var(--font-mono);
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 12px 15px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: white;
    font-family: var(--font-main);
    transition: 0.3s;
}

.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--accent-red);
    box-shadow: 0 0 0 2px rgba(225, 29, 72, 0.2);
}

.footer {
    text-align: center;
    padding: 30px;
    background: #0b1120;
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 0.85rem;
}

/* ====== RESPONSIVE ====== */
@media (max-width: 992px) {
    .about-grid, .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-title {
        font-size: 3rem;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hamburger {
        display: block;
    }
    
    .section {
        padding: 60px 0;
    }
}

/* ====== ANIMATIONS ====== */
.fade-up, .fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-up.visible, .fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}