/* ========================================
   KARAM AJAJ — Portfolio
   Dark Theme / Terminal Aesthetic
   ======================================== */

/* --- CSS Variables --- */
:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-card: #161622;
    --bg-card-hover: #1c1c2e;
    --border-color: #1e1e30;
    --border-glow: #00ff8844;

    --text-primary: #e0e0e8;
    --text-secondary: #8888a0;
    --text-muted: #555570;

    --accent-green: #00ff88;
    --accent-cyan: #00d4ff;
    --accent-purple: #bd93f9;
    --accent-orange: #ffb86c;
    --accent-pink: #ff79c6;
    --accent-red: #ff5555;
    --accent-yellow: #f1fa8c;

    --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    --nav-height: 60px;
    --container-max: 1200px;
    --radius: 10px;
    --radius-sm: 6px;

    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--nav-height);
    font-size: 16px;
}

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

a { color: var(--accent-cyan); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-green); }
img { max-width: 100%; display: block; }
ul { list-style: none; }

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

/* --- Matrix Canvas --- */
#matrix-bg {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: 0;
    opacity: 0.06;
    pointer-events: none;
}

/* --- Container --- */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 2rem;
}

/* ========================================
   NAVIGATION
   ======================================== */
#navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: var(--nav-height);
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    z-index: 1000;
    transition: background var(--transition);
}

#navbar.scrolled {
    background: rgba(10, 10, 15, 0.95);
    border-bottom-color: var(--accent-green);
    box-shadow: 0 2px 30px rgba(0, 255, 136, 0.05);
}

.nav-brand { display: flex; align-items: center; }
.nav-logo {
    font-family: var(--font-mono);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--accent-green);
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    gap: 0.25rem;
    align-items: center;
}

.nav-links .nav-link {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-secondary);
    padding: 0.4rem 0.75rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
    white-space: nowrap;
}

.nav-links .nav-link:hover {
    color: var(--accent-green);
    background: rgba(0, 255, 136, 0.06);
}

.nav-links .nav-link.active {
    color: var(--accent-green);
    background: rgba(0, 255, 136, 0.1);
}

/* Mobile nav toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
    z-index: 1001;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition);
    border-radius: 2px;
}

.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ========================================
   SECTIONS COMMON
   ======================================== */
.section {
    position: relative;
    padding: 6rem 0;
    z-index: 1;
}

.section-header {
    margin-bottom: 3rem;
}

.section-tag {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.section-tag-close {
    margin-top: 3rem;
    margin-bottom: 0;
}

.section-title {
    font-family: var(--font-sans);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.2;
}

.section-title .accent { color: var(--accent-green); }

/* ========================================
   HERO
   ======================================== */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: var(--nav-height);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: var(--container-max);
    padding: 0 2rem;
    width: 100%;
}

/* Terminal Window */
.terminal-window {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.terminal-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: rgba(255, 255, 255, 0.03);
    border-bottom: 1px solid var(--border-color);
}

.terminal-dots { display: flex; gap: 6px; }
.dot { width: 12px; height: 12px; border-radius: 50%; }
.dot.red { background: #ff5f57; }
.dot.yellow { background: #febc2e; }
.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: 1.5rem;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    line-height: 2;
}

.terminal-line {
    display: flex;
    gap: 0.75rem;
    align-items: baseline;
}

.terminal-line.output { padding-left: 1.5rem; }

.prompt { color: var(--accent-green); font-weight: 700; }
.command { color: var(--accent-cyan); }
.code-comment { color: var(--text-muted); font-style: italic; }

.typed-text { color: var(--accent-orange); font-weight: 600; }

.cursor, .cursor-role {
    display: inline-block;
    color: var(--accent-green);
    font-weight: 300;
}
.blink { animation: blink 1s step-end infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* Hero Info */
.hero-info { display: flex; flex-direction: column; gap: 1.5rem; }

.glitch-text {
    font-family: var(--font-sans);
    font-size: 3.5rem;
    font-weight: 900;
    color: var(--text-primary);
    position: relative;
    letter-spacing: -1px;
}

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

.glitch-text:hover::before {
    animation: glitch-1 0.3s linear;
    color: var(--accent-cyan);
    opacity: 0.8;
    z-index: -1;
}

.glitch-text:hover::after {
    animation: glitch-2 0.3s linear;
    color: var(--accent-pink);
    opacity: 0.8;
    z-index: -2;
}

@keyframes glitch-1 {
    0%   { clip-path: inset(20% 0 60% 0); transform: translate(-3px, 2px); }
    25%  { clip-path: inset(50% 0 10% 0); transform: translate(3px, -1px); }
    50%  { clip-path: inset(10% 0 70% 0); transform: translate(-2px, 3px); }
    75%  { clip-path: inset(60% 0 20% 0); transform: translate(2px, -2px); }
    100% { clip-path: inset(40% 0 30% 0); transform: translate(-1px, 1px); }
}

@keyframes glitch-2 {
    0%   { clip-path: inset(60% 0 10% 0); transform: translate(3px, -2px); }
    25%  { clip-path: inset(20% 0 50% 0); transform: translate(-3px, 1px); }
    50%  { clip-path: inset(70% 0 5% 0); transform: translate(2px, -3px); }
    75%  { clip-path: inset(10% 0 60% 0); transform: translate(-2px, 2px); }
    100% { clip-path: inset(30% 0 40% 0); transform: translate(1px, -1px); }
}

.hero-tagline {
    font-family: var(--font-mono);
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.tag-bracket { color: var(--accent-purple); font-weight: 700; font-size: 1.3rem; }
.tag-role { color: var(--accent-cyan); }

.hero-description {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.8;
    max-width: 500px;
}

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

/* Buttons */
.hero-cta { display: flex; gap: 1rem; flex-wrap: wrap; }

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 600;
    transition: all var(--transition);
    cursor: pointer;
    border: none;
    white-space: nowrap;
}

.btn-primary {
    background: var(--accent-green);
    color: var(--bg-primary);
}

.btn-primary:hover {
    background: #00cc6e;
    color: var(--bg-primary);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 255, 136, 0.25);
}

.btn-outline {
    background: transparent;
    color: var(--accent-cyan);
    border: 1px solid var(--accent-cyan);
}

.btn-outline:hover {
    background: rgba(0, 212, 255, 0.1);
    color: var(--accent-cyan);
    transform: translateY(-2px);
}

/* Social */
.social-links { display: flex; gap: 1rem; }

.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px; height: 40px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    transition: all var(--transition);
    font-size: 1rem;
}

.social-icon:hover {
    border-color: var(--accent-green);
    color: var(--accent-green);
    background: rgba(0, 255, 136, 0.06);
    transform: translateY(-3px);
}

/* Scroll indicator */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    animation: float 2s ease-in-out infinite;
}

.scroll-arrow {
    width: 20px; height: 20px;
    border-right: 2px solid var(--accent-green);
    border-bottom: 2px solid var(--accent-green);
    transform: rotate(45deg);
    opacity: 0.5;
}

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

/* ========================================
   ABOUT
   ======================================== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
    align-items: start;
}

.about-image { display: flex; flex-direction: column; gap: 2rem; }

.image-frame {
    position: relative;
    max-width: 300px;
}

.profile-img {
    border-radius: var(--radius);
    filter: grayscale(20%) contrast(1.05);
    transition: filter var(--transition);
}

.profile-img:hover { filter: grayscale(0%) contrast(1); }

.image-border {
    position: absolute;
    top: 12px; left: 12px;
    width: 100%; height: 100%;
    border: 2px solid var(--accent-green);
    border-radius: var(--radius);
    z-index: -1;
    transition: all var(--transition);
}

.image-frame:hover .image-border {
    top: 8px; left: 8px;
}

/* Stats */
.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.stat-item {
    text-align: center;
    padding: 1rem 0.5rem;
    background: var(--bg-card);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}

.stat-number {
    display: block;
    font-family: var(--font-mono);
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-green);
    line-height: 1;
}

.stat-suffix {
    font-family: var(--font-mono);
    font-size: 1.2rem;
    color: var(--accent-green);
}

.stat-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Code block */
.code-block {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    overflow: hidden;
}

.code-header {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 0.6rem 1rem;
    background: rgba(255, 255, 255, 0.02);
    border-bottom: 1px solid var(--border-color);
}

.code-dot { width: 10px; height: 10px; border-radius: 50%; }
.red-sm { background: #ff5f57; }
.yellow-sm { background: #febc2e; }
.green-sm { background: #28c840; }

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

.code-body {
    padding: 1.25rem;
    font-family: var(--font-mono);
    font-size: 0.82rem;
    line-height: 1.8;
    overflow-x: auto;
    margin: 0;
}

.code-body code { font-family: inherit; }

.yaml-key { color: var(--accent-cyan); font-weight: 600; }
.yaml-string { color: var(--accent-orange); }
.yaml-value { color: var(--text-primary); }
.yaml-dash { color: var(--accent-purple); font-weight: 700; }

/* ========================================
   EXPERIENCE / TIMELINE
   ======================================== */
.timeline {
    position: relative;
    padding-left: 3rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(
        to bottom,
        var(--accent-green),
        var(--accent-cyan),
        var(--accent-purple),
        var(--border-color)
    );
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
}

.timeline-item::before {
    content: attr(data-year);
    position: absolute;
    left: -3rem;
    top: 0;
    transform: translateX(-100%);
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-muted);
    white-space: nowrap;
    padding-right: 1.5rem;
}

.timeline-marker {
    position: absolute;
    left: -3rem;
    top: 0.3rem;
    transform: translateX(-50%);
    width: 32px; height: 32px;
    background: var(--bg-primary);
    border: 2px solid var(--accent-green);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-green);
    font-size: 0.75rem;
    z-index: 2;
}

.timeline-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 1.75rem;
    transition: all var(--transition);
}

.timeline-content:hover {
    border-color: rgba(0, 255, 136, 0.2);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

.timeline-header-box h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.company-link {
    font-size: 1rem;
    font-weight: 600;
    color: var(--accent-cyan);
}

.timeline-meta {
    display: flex;
    gap: 1.5rem;
    margin-top: 0.5rem;
    font-size: 0.8rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
    flex-wrap: wrap;
}

.timeline-meta i { margin-right: 0.3rem; color: var(--accent-green); }

.timeline-details {
    margin-top: 1rem;
    padding-left: 1.25rem;
}

.timeline-details li {
    position: relative;
    padding-left: 1rem;
    margin-bottom: 0.4rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    list-style: none;
}

.timeline-details li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--accent-green);
    font-size: 0.8rem;
}

/* Tech tags */
.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.tech-tag {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    padding: 0.25rem 0.6rem;
    border-radius: 3px;
    background: rgba(0, 255, 136, 0.06);
    color: var(--accent-green);
    border: 1px solid rgba(0, 255, 136, 0.15);
}

/* Client projects */
.client-projects {
    margin-top: 1.5rem;
    border-top: 1px solid var(--border-color);
    padding-top: 1.25rem;
}

.client-header {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--accent-purple);
    margin-bottom: 1rem;
}

.client-header i { margin-right: 0.5rem; }

.client-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 1rem 1.25rem;
    margin-bottom: 0.75rem;
    transition: all var(--transition);
}

.client-card:hover {
    border-color: rgba(0, 212, 255, 0.2);
    background: rgba(0, 212, 255, 0.03);
}

.client-info {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 0.4rem;
}

.client-info strong { color: var(--text-primary); font-size: 0.9rem; }

.client-date {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-muted);
}

.client-card p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ========================================
   EDUCATION
   ======================================== */
.education-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.edu-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 2rem;
    text-align: center;
    transition: all var(--transition);
}

.edu-card:hover {
    border-color: rgba(0, 212, 255, 0.2);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.edu-icon {
    width: 56px; height: 56px;
    border-radius: 50%;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.25rem;
    color: var(--accent-cyan);
    font-size: 1.3rem;
}

.edu-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.3rem;
}

.edu-degree {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--accent-green);
    display: block;
    margin-bottom: 0.3rem;
}

.edu-field {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.edu-meta {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    font-size: 0.75rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
    flex-wrap: wrap;
}

.edu-meta i { color: var(--accent-green); margin-right: 0.25rem; }

/* ========================================
   SKILLS
   ======================================== */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.skill-category {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 1.75rem;
}

.skill-category-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
    color: var(--accent-cyan);
}

.skill-category-header i { font-size: 1.2rem; }

.skill-category-header h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.skill-item {
    margin-bottom: 0.75rem;
}

.skill-name {
    display: block;
    font-size: 0.82rem;
    color: var(--text-secondary);
    margin-bottom: 0.3rem;
    font-family: var(--font-mono);
}

.skill-bar {
    height: 6px;
    background: var(--bg-primary);
    border-radius: 3px;
    overflow: hidden;
}

.skill-fill {
    height: 100%;
    width: 0;
    border-radius: 3px;
    background: linear-gradient(90deg, var(--accent-green), var(--accent-cyan));
    transition: width 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ========================================
   CREDENTIALS (unified certs + courses)
   ======================================== */

/* Filter Bar */
.credentials-filter {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 1.25rem 1.5rem;
    margin-bottom: 1.25rem;
}

.filter-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 0;
}

.filter-row + .filter-row {
    border-top: 1px solid rgba(255, 255, 255, 0.04);
}

.filter-label {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--accent-cyan);
    min-width: 55px;
    flex-shrink: 0;
}

.filter-group {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.filter-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.3rem 0.65rem;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
}

.filter-btn:hover {
    color: var(--text-primary);
    border-color: rgba(0, 255, 136, 0.3);
    background: rgba(0, 255, 136, 0.05);
}

.filter-btn.active {
    color: var(--bg-primary);
    background: var(--accent-green);
    border-color: var(--accent-green);
    font-weight: 600;
}

.filter-btn.active i { color: var(--bg-primary); }

.filter-btn i { font-size: 0.65rem; }

.filter-count {
    font-size: 0.6rem;
    opacity: 0.7;
}

.filter-btn.active .filter-count {
    opacity: 0.9;
}

/* Search */
.filter-search-wrap {
    position: relative;
    flex: 1;
    max-width: 320px;
}

.filter-search-wrap > i {
    position: absolute;
    left: 0.7rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 0.7rem;
    pointer-events: none;
}

.filter-search {
    width: 100%;
    padding: 0.4rem 0.7rem 0.4rem 2rem;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    outline: none;
    transition: border-color var(--transition);
}

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

.filter-search:focus {
    border-color: var(--accent-green);
    box-shadow: 0 0 0 2px rgba(0, 255, 136, 0.1);
}

/* Status Counter */
.credentials-status {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
    padding-left: 0.25rem;
}

.credentials-status span {
    color: var(--accent-green);
    font-weight: 700;
}

/* Credentials Grid */
.credentials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 0.6rem;
}

/* Credential Card */
.credential-card {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.7rem 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    transition: all 0.25s ease;
    text-decoration: none;
    overflow: hidden;
}

.credential-card:hover {
    border-color: rgba(0, 255, 136, 0.25);
    background: rgba(0, 255, 136, 0.03);
    transform: translateY(-1px);
}

.credential-card.hidden {
    display: none;
}

.credential-card.collapsed-hidden {
    display: none;
}

/* Credentials toggle button */
.credentials-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin: 1.5rem auto 0;
    padding: 0.7rem 2rem;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--accent-green);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.3s ease;
    width: fit-content;
}

.credentials-toggle:hover {
    border-color: var(--accent-green);
    background: rgba(0, 255, 136, 0.05);
    box-shadow: 0 0 15px rgba(0, 255, 136, 0.1);
}

.credentials-toggle i {
    transition: transform 0.3s ease;
}

.credentials-toggle.expanded i {
    transform: rotate(180deg);
}

/* Left accent strip */
.credential-cert { border-left: 2px solid var(--accent-orange); }
.credential-course { border-left: 2px solid var(--accent-cyan); }

.credential-icon {
    width: 32px; height: 32px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    flex-shrink: 0;
}

.credential-cert .credential-icon {
    background: rgba(255, 184, 108, 0.1);
    color: var(--accent-orange);
}

.credential-course .credential-icon {
    background: rgba(0, 212, 255, 0.1);
    color: var(--accent-cyan);
}

.credential-info {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    min-width: 0;
}

.credential-name {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.credential-name i {
    font-size: 0.65rem;
    margin-right: 0.3rem;
}

.credential-cert .credential-name i { color: var(--accent-orange); }
.credential-course .credential-name i { color: var(--accent-cyan); }

.credential-meta {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Empty state */
.credentials-empty {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-muted);
}

.credentials-empty i {
    font-size: 2rem;
    margin-bottom: 1rem;
    opacity: 0.3;
}

.credentials-empty p {
    font-family: var(--font-mono);
    font-size: 0.85rem;
}

/* ========================================
   BADGES
   ======================================== */
.badges-wrapper {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 2rem;
}

.badges-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 1rem;
    position: relative;
}

.badges-collapsed .badge-card:nth-child(n+13) {
    display: none;
}

.badges-toggle-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin: 1.5rem auto 0;
    padding: 0.6rem 1.8rem;
    background: rgba(0, 212, 255, 0.08);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: var(--radius-sm);
    color: var(--accent-cyan);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all var(--transition);
}

.badges-toggle-btn:hover {
    background: rgba(0, 212, 255, 0.15);
    border-color: var(--accent-cyan);
    transform: translateY(-2px);
}

.badges-toggle-btn i {
    transition: transform 0.3s ease;
}

.badges-toggle-btn.expanded i {
    transform: rotate(180deg);
}

.badge-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 0.5rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    transition: all var(--transition);
    text-align: center;
    overflow: hidden;
    min-height: 160px;
}

.badge-card:hover {
    border-color: rgba(0, 212, 255, 0.3);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.badge-card iframe {
    pointer-events: auto;
    border: none;
}

.badge-card img {
    width: 80px;
    height: 80px;
    object-fit: contain;
    margin-bottom: 0.5rem;
}

.badge-card span {
    font-size: 0.7rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
    line-height: 1.3;
}

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

.lang-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 2rem;
    text-align: center;
    transition: all var(--transition);
}

.lang-card:hover {
    border-color: rgba(189, 147, 249, 0.2);
    transform: translateY(-3px);
}

.lang-flag { font-size: 2.5rem; margin-bottom: 0.75rem; }

.lang-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.3rem;
}

.lang-level {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--accent-purple);
    margin-bottom: 1rem;
}

.lang-bar {
    height: 6px;
    background: var(--bg-primary);
    border-radius: 3px;
    overflow: hidden;
}

.lang-fill {
    height: 100%;
    width: 0;
    border-radius: 3px;
    background: linear-gradient(90deg, var(--accent-purple), var(--accent-pink));
    transition: width 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
    position: relative;
    z-index: 1;
    padding: 1rem 0;
    border-top: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.footer-brand p {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.1rem;
}

.footer-links {
    display: flex;
    gap: 0.75rem;
}

.footer-links a {
    color: var(--text-muted);
    font-size: 0.95rem;
    transition: color var(--transition);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 0.5rem;
    border-top: 1px solid var(--border-color);
    font-size: 0.7rem;
    color: var(--text-muted);
    flex-wrap: wrap;
    gap: 0.25rem;
}

.footer-bottom .code-comment {
    font-family: var(--font-mono);
    font-style: italic;
    color: var(--text-muted);
}

/* ========================================
   REVEAL ANIMATIONS
   ======================================== */
.reveal-up,
.reveal-left,
.reveal-right {
    opacity: 0;
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-up    { transform: translateY(40px); }
.reveal-left  { transform: translateX(-40px); }
.reveal-right { transform: translateX(40px); }

.reveal-up.visible,
.reveal-left.visible,
.reveal-right.visible {
    opacity: 1;
    transform: translate(0);
}

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 2.5rem;
        text-align: center;
    }

    .hero-info { align-items: center; }
    .hero-description { max-width: 100%; }
    .hero-cta { justify-content: center; }
    .social-links { justify-content: center; }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .about-image { align-items: center; }

    .timeline-item::before { display: none; }

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

    .glitch-text { font-size: 2.5rem; }
}

@media (max-width: 768px) {
    html { font-size: 15px; }

    .nav-toggle { display: flex; }

    .nav-links {
        position: fixed;
        top: var(--nav-height);
        left: 0; right: 0;
        background: rgba(10, 10, 15, 0.98);
        flex-direction: column;
        padding: 1.5rem 2rem;
        gap: 0.5rem;
        transform: translateY(-120%);
        transition: transform var(--transition);
        border-bottom: 1px solid var(--border-color);
    }

    .nav-links.open {
        transform: translateY(0);
    }

    .nav-links .nav-link {
        font-size: 0.9rem;
        padding: 0.6rem 1rem;
        width: 100%;
    }

    .section { padding: 4rem 0; }
    .section-title { font-size: 2rem; }

    .terminal-body { font-size: 0.78rem; padding: 1rem; }
    .glitch-text { font-size: 2rem; }

    .timeline { padding-left: 2rem; }
    .timeline-marker { left: -2rem; width: 26px; height: 26px; font-size: 0.65rem; }

    .education-grid { grid-template-columns: 1fr; }
    .credentials-grid { grid-template-columns: 1fr; }
    .filter-row { flex-direction: column; align-items: flex-start; gap: 0.5rem; }
    .filter-search-wrap { max-width: 100%; }
    .languages-grid { grid-template-columns: 1fr; }
    .badges-container { grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); }

    .footer-content { flex-direction: column; text-align: center; }
    .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
    #navbar { padding: 0 1rem; }
    .container { padding: 0 1rem; }
    .hero-content { padding: 0 1rem; }
    .about-stats { grid-template-columns: repeat(3, 1fr); gap: 0.5rem; }
    .stat-number { font-size: 1.5rem; }
    .timeline-content { padding: 1.25rem; }
}

/* ========================================
   DOWNLOAD CV BUTTON
   ======================================== */
.btn-download {
    background: rgba(189, 147, 249, 0.1);
    border: 1px solid rgba(189, 147, 249, 0.4);
    color: var(--accent-purple);
    padding: 0.7rem 1.6rem;
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
}

.btn-download:hover {
    background: rgba(189, 147, 249, 0.2);
    border-color: var(--accent-purple);
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(189, 147, 249, 0.2);
    color: var(--accent-purple);
}

/* ========================================
   PRINT / PDF STYLES
   ======================================== */
@media print {
    * { color: #222 !important; background: #fff !important; box-shadow: none !important; text-shadow: none !important; border-color: #ddd !important; }
    body { font-size: 10pt; }
    #matrix-bg, #navbar, .scroll-indicator, .hero-cta, .social-links, .section-tag, .section-tag-close,
    #badges, #download-pdf, footer, .badges-toggle-btn, .cert-chevron { display: none !important; }
    .section { padding: 0.8rem 0; page-break-inside: avoid; }
    .container { max-width: 100%; padding: 0 1rem; }
    a { text-decoration: none !important; }
    .highlight, .accent { color: #0066cc !important; }
    .tech-tag { border: 1px solid #ccc !important; padding: 0.1rem 0.4rem; font-size: 8pt; }
    .timeline-item { break-inside: avoid; }
    .client-card { break-inside: avoid; border: 1px solid #ddd !important; }
    .hero { min-height: auto !important; padding: 1.5rem 0 !important; }
    .glitch-text { font-size: 24pt; }
    .hero-tagline { display: none; }
}

/* ========================================
   NAV QUICK-LINKS (social + CV in navbar)
   ======================================== */

.nav-quick-links {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin-left: 0.75rem;
}

.nav-quick-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.75rem;
    transition: all var(--transition);
}

.nav-quick-links a:hover,
.nav-quick-links a:active {
    border-color: var(--accent-green);
    color: var(--accent-green);
    background: rgba(0, 255, 136, 0.06);
}

/* PDF icon gets purple accent to match download button style */
.nav-quick-links a[download] {
    border-color: rgba(189, 147, 249, 0.4);
    color: var(--accent-purple);
}

.nav-quick-links a[download]:hover,
.nav-quick-links a[download]:active {
    border-color: var(--accent-purple);
    background: rgba(189, 147, 249, 0.1);
}

/* ========================================
   MOBILE HORIZONTAL SWIPE (stories-style)
   ======================================== */
@media (max-width: 768px) {
    html.mobile-hswipe,
    html.mobile-hswipe body {
        overflow: hidden;
        height: 100vh;
        height: 100dvh;
    }

    /* Container becomes a horizontal scroll-snap rail */
    html.mobile-hswipe .page-snap-container {
        display: flex;
        flex-direction: row;
        height: 100vh;
        height: 100dvh;
        overflow-x: scroll;
        overflow-y: hidden;
        scroll-snap-type: x mandatory;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;          /* Firefox */
    }

    html.mobile-hswipe .page-snap-container::-webkit-scrollbar {
        display: none;                  /* Chrome / Safari */
    }

    /* Each section is one full-screen "page" */
    html.mobile-hswipe .page-snap-container > section,
    html.mobile-hswipe .page-snap-container > footer {
        scroll-snap-align: start;
        scroll-snap-stop: always;
        min-width: 100vw;
        width: 100vw;
        height: 100vh;
        height: 100dvh;
        overflow-y: auto;
        overflow-x: hidden;
        -webkit-overflow-scrolling: touch;
        flex-shrink: 0;
        box-sizing: border-box;
        position: relative;
    }

    /* Hero adjustments inside the swipe panel */
    html.mobile-hswipe .hero-section {
        min-height: 0;
        height: 100%;
        padding-top: var(--nav-height);
        padding-bottom: 3.5rem;       /* room for bottom bar */
    }

    /* Sections get bottom padding for the indicator bar */
    html.mobile-hswipe .page-snap-container > section {
        padding-bottom: 3.5rem;
    }

    /* Hide the normal scroll indicator on hero */
    html.mobile-hswipe .scroll-indicator {
        display: none;
    }

    /* ---- Bottom Indicator Bar ---- */
    .hswipe-bar {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        z-index: 10001;
        background: rgba(10, 10, 15, 0.92);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        border-top: 1px solid var(--border-color);
        display: none;                 /* shown by JS */
        flex-direction: column;
        align-items: center;
        padding: 0.4rem 0 0.55rem;
    }

    html.mobile-hswipe .hswipe-bar {
        display: flex;
    }

    /* Section label */
    .hswipe-label {
        font-family: var(--font-mono);
        font-size: 0.6rem;
        color: var(--accent-green);
        text-transform: uppercase;
        letter-spacing: 2px;
        margin-bottom: 0.35rem;
        transition: opacity 0.25s;
    }

    /* Progress dots row */
    .hswipe-dots {
        display: flex;
        gap: 0.5rem;
        align-items: center;
    }

    .hswipe-dot {
        width: 18px;
        height: 3px;
        border-radius: 2px;
        background: rgba(255, 255, 255, 0.12);
        border: none;
        padding: 0;
        cursor: pointer;
        transition: all 0.3s ease;
    }

    .hswipe-dot.active {
        background: var(--accent-green);
        width: 28px;
        box-shadow: 0 0 8px rgba(0, 255, 136, 0.35);
    }

    /* Swipe hint arrow overlays */
    .hswipe-arrow {
        position: fixed;
        top: 50%;
        transform: translateY(-50%);
        z-index: 10002;
        width: 28px;
        height: 28px;
        border-radius: 50%;
        background: rgba(10, 10, 15, 0.6);
        border: 1px solid rgba(0, 255, 136, 0.2);
        color: var(--accent-green);
        display: none;
        align-items: center;
        justify-content: center;
        font-size: 0.7rem;
        pointer-events: none;
        opacity: 0.5;
        backdrop-filter: blur(4px);
        -webkit-backdrop-filter: blur(4px);
    }

    html.mobile-hswipe .hswipe-arrow {
        display: flex;
    }

    .hswipe-arrow-left {
        left: 0.35rem;
    }

    .hswipe-arrow-right {
        right: 0.35rem;
    }

    .hswipe-arrow.hidden {
        display: none;
    }

    /* Subtle swipe-hint animation on first load */
    @keyframes swipe-hint {
        0%, 100% { transform: translateY(-50%) translateX(0); opacity: 0.5; }
        50% { transform: translateY(-50%) translateX(-3px); opacity: 0.9; }
    }

    .hswipe-arrow-right.hint {
        animation: swipe-hint 1.5s ease-in-out 3;
    }
}

/* Hide horizontal-swipe elements on desktop */
@media (min-width: 769px) {
    .hswipe-bar,
    .hswipe-arrow,
    .mobile-page-dots,
    .mobile-page-counter {
        display: none !important;
    }
    .section-dive-btn,
    .section-fade-overlay {
        display: none !important;
    }
}