/* ============================================
   PORTFOLIO — style.css
   Theme: Modern Offensive Security
   Author: Ilias Georgopoulos
   ============================================ */

/* ---------- CSS Variables ---------- */
:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #0d1117;
    --bg-card: #111820;
    --bg-card-hover: #161d27;
    --text-primary: #e6e6e6;
    --text-secondary: #8b949e;
    --text-muted: #484f58;
    --accent-green: #00ff41;
    --accent-green-dim: rgba(0, 255, 65, 0.15);
    --accent-green-glow: rgba(0, 255, 65, 0.4);
    --accent-purple: #bf00ff;
    --accent-purple-dim: rgba(191, 0, 255, 0.15);
    --border-color: #21262d;
    --border-glow: rgba(0, 255, 65, 0.2);
    --font-mono: 'Fira Code', 'Courier New', monospace;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --nav-height: 70px;
    --container-width: 1100px;
    --transition: 0.3s ease;
}

/* ---------- Reset & Base ---------- */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--nav-height);
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition);
}

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

ul {
    list-style: none;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 100px 0;
}

/* ---------- Section Titles ---------- */
.section-title {
    font-family: var(--font-mono);
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: 60px;
    color: var(--text-primary);
}

.title-decorator {
    color: var(--accent-green);
    font-weight: 400;
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 0.95rem;
    margin-top: -40px;
    margin-bottom: 50px;
}

.section-subtitle i {
    color: var(--accent-purple);
}

/* ---------- Highlight Text ---------- */
.highlight {
    color: var(--accent-green);
    font-weight: 600;
}

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

/* ---------- Blink Animation ---------- */
.blink {
    animation: blink 1s step-end infinite;
}

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

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 6px;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    border: none;
    text-decoration: none;
}

.btn-primary {
    background: var(--accent-green);
    color: var(--bg-primary);
    box-shadow: 0 0 20px var(--accent-green-dim);
}

.btn-primary:hover {
    background: #33ff66;
    box-shadow: 0 0 30px var(--accent-green-glow);
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    color: var(--accent-green);
    border: 2px solid var(--accent-green);
    box-shadow: 0 0 15px var(--accent-green-dim);
}

.btn-secondary:hover {
    background: var(--accent-green-dim);
    box-shadow: 0 0 25px var(--accent-green-glow);
    transform: translateY(-2px);
}

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    background: rgba(10, 10, 10, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid transparent;
    z-index: 1000;
    transition: all var(--transition);
}

.navbar.scrolled {
    border-bottom-color: var(--border-color);
    background: rgba(10, 10, 10, 0.95);
}

.nav-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-family: var(--font-mono);
    font-size: 1.2rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0;
}

.logo-bracket {
    color: var(--accent-green);
}

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

.logo-cursor {
    color: var(--accent-green);
    animation: blink 1s step-end infinite;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-secondary);
    padding: 8px 16px;
    border-radius: 4px;
    transition: all var(--transition);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--accent-green);
    background: var(--accent-green-dim);
}

/* Hamburger Menu */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--accent-green);
    position: relative;
    transition: all var(--transition);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background: var(--accent-green);
    transition: all var(--transition);
}

.hamburger::before { top: -7px; }
.hamburger::after { bottom: -7px; }

.nav-toggle.active .hamburger {
    background: transparent;
}

.nav-toggle.active .hamburger::before {
    top: 0;
    transform: rotate(45deg);
}

.nav-toggle.active .hamburger::after {
    bottom: 0;
    transform: rotate(-45deg);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 120px 24px 60px;
    position: relative;
    overflow: hidden;
}

/* Background Grid */
.hero-bg-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(0, 255, 65, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 255, 65, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.terminal-line {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    margin-bottom: 20px;
    opacity: 0.7;
}

.terminal-prompt {
    color: var(--accent-green);
}

.terminal-command {
    color: var(--text-secondary);
}

/* ---- GLITCH EFFECT ---- */
.glitch {
    font-family: var(--font-mono);
    font-size: clamp(2.5rem, 7vw, 4.5rem);
    font-weight: 700;
    color: var(--text-primary);
    position: relative;
    display: inline-block;
    line-height: 1.1;
    margin-bottom: 8px;
}

.glitch::before,
.glitch::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.glitch::before {
    color: var(--accent-green);
    z-index: -1;
    animation: glitch-1 3s infinite linear alternate-reverse;
}

.glitch::after {
    color: var(--accent-purple);
    z-index: -2;
    animation: glitch-2 3s infinite linear alternate-reverse;
}

@keyframes glitch-1 {
    0%   { clip-path: inset(40% 0 61% 0); transform: translate(-2px, -1px); }
    20%  { clip-path: inset(92% 0 1% 0);  transform: translate(1px, 2px);  }
    40%  { clip-path: inset(43% 0 1% 0);  transform: translate(-1px, 3px); }
    60%  { clip-path: inset(25% 0 58% 0); transform: translate(3px, 1px);  }
    80%  { clip-path: inset(54% 0 7% 0);  transform: translate(-3px, -2px);}
    100% { clip-path: inset(58% 0 43% 0); transform: translate(2px, -3px); }
}

@keyframes glitch-2 {
    0%   { clip-path: inset(65% 0 13% 0); transform: translate(2px, 1px);  }
    20%  { clip-path: inset(15% 0 62% 0); transform: translate(-1px, -2px);}
    40%  { clip-path: inset(78% 0 2% 0);  transform: translate(1px, -1px); }
    60%  { clip-path: inset(36% 0 9% 0);  transform: translate(-2px, 2px); }
    80%  { clip-path: inset(5% 0 73% 0);  transform: translate(3px, -1px); }
    100% { clip-path: inset(44% 0 36% 0); transform: translate(-1px, 3px); }
}

.hero-username {
    font-family: var(--font-mono);
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 24px;
}

/* Typing Effect Area */
.hero-tagline {
    font-family: var(--font-mono);
    font-size: clamp(1rem, 2.5vw, 1.3rem);
    color: var(--accent-green);
    min-height: 40px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2px;
}

.typed-cursor {
    color: var(--accent-green);
    animation: blink 0.7s step-end infinite;
    font-weight: 300;
}

.hero-subtext {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 36px;
}

.hero-subtext i {
    color: var(--accent-purple);
    margin-right: 6px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 50px;
}

/* Hero Stats */
.hero-stats {
    display: flex;
    gap: 48px;
    justify-content: center;
    flex-wrap: wrap;
}

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

.stat-number {
    font-family: var(--font-mono);
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-green);
    display: inline;
}

.stat-plus {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    color: var(--accent-green);
}

.stat-label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-family: var(--font-mono);
    margin-top: 4px;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    opacity: 0.5;
    animation: float 2s ease-in-out infinite;
}

.scroll-indicator span {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.mouse {
    width: 22px;
    height: 36px;
    border: 2px solid var(--text-muted);
    border-radius: 12px;
    position: relative;
}

.mouse-wheel {
    width: 3px;
    height: 8px;
    background: var(--accent-green);
    border-radius: 2px;
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll-wheel 1.5s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(-8px); }
}

@keyframes scroll-wheel {
    0%   { opacity: 1; top: 6px; }
    100% { opacity: 0; top: 18px; }
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about {
    background: var(--bg-secondary);
}

.about-grid {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 60px;
    align-items: center;
}

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

.about-image-border {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    border: 2px solid var(--border-color);
    transition: border-color var(--transition);
}

.about-image-border:hover {
    border-color: var(--accent-green);
}

.about-image {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    filter: grayscale(30%);
    transition: filter var(--transition);
}

.about-image-border:hover .about-image {
    filter: grayscale(0%);
}

.about-image-decoration {
    position: absolute;
    top: 16px;
    left: 16px;
    right: -16px;
    bottom: -16px;
    border: 2px solid var(--accent-green);
    border-radius: 12px;
    z-index: -1;
    opacity: 0.3;
}

/* Terminal Window */
.terminal-window {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    overflow: hidden;
}

.terminal-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid var(--border-color);
}

.terminal-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.terminal-dot.red { background: #ff5f57; }
.terminal-dot.yellow { background: #febc2e; }
.terminal-dot.green { background: #28c840; }

.terminal-title {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-left: auto;
}

.terminal-body {
    padding: 24px;
}

.terminal-body p {
    margin-bottom: 16px;
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.8;
}

.terminal-body p:last-child {
    margin-bottom: 0;
}

.terminal-prompt-sm {
    color: var(--accent-green);
    font-family: var(--font-mono);
    font-weight: 700;
    margin-right: 8px;
}

.terminal-output {
    color: var(--accent-green) !important;
    font-family: var(--font-mono);
    font-size: 0.9rem !important;
    margin-top: 8px;
}

/* ============================================
   SKILLS SECTION
   ============================================ */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.skill-category {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 24px;
    transition: all var(--transition);
}

.skill-category:hover {
    border-color: var(--accent-green);
    box-shadow: 0 0 20px var(--accent-green-dim);
    transform: translateY(-4px);
}

.skill-category-title {
    font-family: var(--font-mono);
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.skill-category-title i {
    color: var(--accent-green);
    font-size: 1.1rem;
}

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

.skill-tag {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    padding: 5px 12px;
    border-radius: 20px;
    background: var(--accent-green-dim);
    color: var(--accent-green);
    border: 1px solid rgba(0, 255, 65, 0.2);
    transition: all var(--transition);
}

.skill-tag:hover {
    background: rgba(0, 255, 65, 0.25);
    box-shadow: 0 0 10px var(--accent-green-dim);
}

/* ============================================
   ROADMAP / TIMELINE
   ============================================ */
.roadmap {
    background: var(--bg-secondary);
}

.timeline {
    position: relative;
    max-width: 700px;
    margin: 0 auto;
    padding-left: 40px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-color);
}

.timeline-item {
    position: relative;
    margin-bottom: 40px;
    opacity: 0;
    transform: translateX(-20px);
    transition: all 0.6s ease;
}

.timeline-item.visible {
    opacity: 1;
    transform: translateX(0);
}

.timeline-marker {
    position: absolute;
    left: -40px;
    top: 0;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
}

.timeline-marker i {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.timeline-item.active .timeline-marker {
    border-color: var(--accent-green);
    box-shadow: 0 0 15px var(--accent-green-dim);
}

.timeline-item.active .timeline-marker i {
    color: var(--accent-green);
}

.timeline-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 24px;
    transition: all var(--transition);
}

.timeline-content:hover {
    border-color: rgba(0, 255, 65, 0.3);
}

.timeline-badge {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 10px;
}

.timeline-badge.current {
    background: var(--accent-green-dim);
    color: var(--accent-green);
    border: 1px solid rgba(0, 255, 65, 0.3);
}

.timeline-badge.next {
    background: var(--accent-purple-dim);
    color: var(--accent-purple);
    border: 1px solid rgba(191, 0, 255, 0.3);
}

.timeline-badge.goal {
    background: rgba(255, 165, 0, 0.15);
    color: #ffa500;
    border: 1px solid rgba(255, 165, 0, 0.3);
}

.timeline-content h3 {
    font-family: var(--font-mono);
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.timeline-content p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 14px;
}

.timeline-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.timeline-tags span {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    padding: 3px 10px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-muted);
    border: 1px solid var(--border-color);
}

/* ============================================
   CERTIFICATIONS
   ============================================ */

/* Tabs */
.cert-tabs {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 40px;
}

.cert-tab {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    font-weight: 600;
    padding: 12px 24px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-card);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

.cert-tab:hover {
    border-color: var(--accent-green);
    color: var(--accent-green);
}

.cert-tab.active {
    background: var(--accent-green-dim);
    border-color: var(--accent-green);
    color: var(--accent-green);
    box-shadow: 0 0 15px var(--accent-green-dim);
}

.tab-count {
    font-size: 0.7rem;
    background: rgba(255, 255, 255, 0.1);
    padding: 2px 7px;
    border-radius: 10px;
}

.cert-tab.active .tab-count {
    background: rgba(0, 255, 65, 0.2);
}

/* Tab Content */
.cert-tab-content {
    display: none;
}

.cert-tab-content.active {
    display: block;
}

.certs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 20px;
}

.cert-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    transition: all var(--transition);
    opacity: 0;
    transform: translateY(20px);
}

.cert-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.cert-card:hover {
    border-color: var(--accent-green);
    box-shadow: 0 0 25px var(--accent-green-dim);
    transform: translateY(-6px);
}

.cert-image-wrapper {
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.cert-image {
    width: 100%;
    height: 220px;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.cert-card:hover .cert-image {
    transform: scale(1.08);
}

.cert-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition);
}

.cert-card:hover .cert-overlay {
    opacity: 1;
}

.cert-overlay i {
    color: var(--accent-green);
    font-size: 1.5rem;
}

.cert-info {
    padding: 18px 20px;
}

.cert-info h3 {
    font-family: var(--font-mono);
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: 4px;
}

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

/* ============================================
   PROJECTS
   ============================================ */
.projects {
    background: var(--bg-secondary);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.project-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 28px;
    transition: all var(--transition);
    display: flex;
    flex-direction: column;
    opacity: 0;
    transform: translateY(20px);
}

.project-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.project-card:hover {
    border-color: var(--accent-green);
    box-shadow: 0 4px 30px var(--accent-green-dim);
    transform: translateY(-6px);
}

.project-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.project-icon {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    background: var(--accent-green-dim);
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-icon i {
    color: var(--accent-green);
    font-size: 1.2rem;
}

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

.project-links a {
    color: var(--text-muted);
    font-size: 1.2rem;
    transition: color var(--transition);
}

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

.project-title {
    font-family: var(--font-mono);
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.project-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 20px;
    flex-grow: 1;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: auto;
}

.project-tags span {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-muted);
    padding: 3px 10px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
}

.projects-cta {
    text-align: center;
    margin-top: 50px;
}

/* ============================================
   CONTACT
   ============================================ */
.contact-content {
    max-width: 700px;
    margin: 0 auto;
}

.contact-terminal {
    margin-bottom: 40px;
}

.terminal-output-text {
    color: var(--text-secondary) !important;
    font-style: italic;
}

.social-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.social-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 28px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    transition: all var(--transition);
    text-align: center;
}

.social-card:hover {
    border-color: var(--accent-green);
    box-shadow: 0 0 25px var(--accent-green-dim);
    transform: translateY(-4px);
}

.social-card i {
    font-size: 2rem;
    color: var(--text-muted);
    transition: color var(--transition);
}

.social-card:hover i {
    color: var(--accent-green);
}

.social-name {
    font-family: var(--font-mono);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
}

.social-handle {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    padding: 40px 0;
    border-top: 1px solid var(--border-color);
    background: var(--bg-primary);
}

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

.footer-text {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.footer-prompt {
    color: var(--accent-green);
}

.footer-year {
    color: var(--text-muted);
}

.footer-subtext {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ============================================
   LIGHTBOX
   ============================================ */
.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.92);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    padding: 40px;
}

.lightbox.active {
    opacity: 1;
    visibility: visible;
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 30px;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 2.5rem;
    cursor: pointer;
    transition: color var(--transition);
    line-height: 1;
}

.lightbox-close:hover {
    color: var(--accent-green);
}

.lightbox-image {
    max-width: 90%;
    max-height: 85vh;
    border-radius: 8px;
    box-shadow: 0 0 40px rgba(0, 255, 65, 0.15);
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.lightbox.active .lightbox-image {
    transform: scale(1);
}

/* ============================================
   SCROLL ANIMATIONS
   ============================================ */
[data-animate] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-animate].visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   RESPONSIVE — Tablet (max-width: 768px)
   ============================================ */
@media (max-width: 768px) {
    .nav-toggle {
        display: block;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--bg-secondary);
        flex-direction: column;
        justify-content: center;
        gap: 4px;
        padding: 20px;
        border-left: 1px solid var(--border-color);
        transition: right 0.4s ease;
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-link {
        font-size: 1rem;
        padding: 12px 20px;
        width: 100%;
        text-align: center;
    }

    .hero {
        padding: 100px 20px 50px;
    }

    .hero-stats {
        gap: 30px;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-image-wrapper {
        max-width: 250px;
        margin: 0 auto;
    }

    .about-image-decoration {
        top: 12px;
        left: 12px;
        right: -12px;
        bottom: -12px;
    }

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

    .timeline {
        padding-left: 30px;
    }

    .timeline::before {
        left: 10px;
    }

    .timeline-marker {
        left: -30px;
        width: 28px;
        height: 28px;
    }

    .cert-tabs {
        flex-direction: column;
        align-items: stretch;
    }

    .cert-tab {
        justify-content: center;
    }

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

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

    .social-links {
        grid-template-columns: 1fr;
    }

    .section {
        padding: 70px 0;
    }

    .section-title {
        margin-bottom: 40px;
    }

    .section-subtitle {
        margin-top: -25px;
        margin-bottom: 35px;
    }

    .scroll-indicator {
        display: none;
    }
}

/* ============================================
   RESPONSIVE — Small Mobile (max-width: 480px)
   ============================================ */
@media (max-width: 480px) {
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }

    .hero-stats {
        gap: 20px;
    }

    .stat-number {
        font-size: 1.6rem;
    }

    .terminal-body {
        padding: 16px;
    }

    .terminal-body p {
        font-size: 0.85rem;
    }

    .project-card {
        padding: 20px;
    }

    .glitch {
        font-size: clamp(1.8rem, 8vw, 2.5rem);
    }
}