/* ═══════════════════════════════════════════════════════════════════════════
   TERMINAL PORTFOLIO — SCROLL EDITION · PHOSPHOR THEME
   ═══════════════════════════════════════════════════════════════════════════ */

/* 1. VARIABLES & TOKENS */
:root {
    --term-green-ultra: #6aff6a;
    --term-green-bright: #00ff41;
    --term-green: #008f11;
    --term-green-dark: #003b00;
    --term-bg: #050a05;
    --term-cyan: #00ffff;
    --term-yellow: #fdfd96;
    --term-red: #ff5555;

    --glow-soft: 0 0 8px rgba(0, 255, 65, 0.6);
    --glow-text: 0 0 4px rgba(0, 255, 65, 0.5);

    --nav-h: 56px;
    --font-stack: 'Fira Code', 'Share Tech Mono', 'Courier New', monospace;
}

/* 2. BASE RESET & TYPOGRAPHY */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    background-color: #000;
    color: var(--term-green-bright);
    font-family: var(--font-stack);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    scrollbar-width: thin;
    scrollbar-color: var(--term-green) var(--term-bg);
}

body::-webkit-scrollbar { width: 10px; }
body::-webkit-scrollbar-track { background: rgba(0, 20, 0, 0.5); }
body::-webkit-scrollbar-thumb {
    background: var(--term-green);
    box-shadow: 0 0 5px var(--term-green);
}
body::-webkit-scrollbar-thumb:hover { background: var(--term-green-bright); }

/* 3. FIXED BACKGROUND LAYERS */
#matrix-canvas {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: -3;
    opacity: 0.18; /* dim 2D fallback rain */
}
/* the Three.js scene manages its own depth fog & brightness */
body[data-matrix3d="on"] #matrix-canvas { opacity: 0.9; }

/* Solid green-black base behind canvas */
body::before {
    content: "";
    position: fixed;
    inset: 0;
    background:
        radial-gradient(ellipse at 50% 0%, rgba(0, 60, 0, 0.35), transparent 60%),
        var(--term-bg);
    z-index: -4;
}

/* CRT fine grid / chromatic shimmer */
.crt-overlay {
    position: fixed;
    inset: 0;
    z-index: 998;
    pointer-events: none;
    background:
        linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.12) 50%),
        linear-gradient(90deg, rgba(255, 0, 0, 0.03), rgba(0, 255, 0, 0.01), rgba(0, 0, 255, 0.03));
    background-size: 100% 3px, 3px 100%;
    animation: flicker 0.15s infinite;
}

.scanline {
    position: fixed;
    left: 0;
    width: 100%;
    height: 120px;
    z-index: 997;
    pointer-events: none;
    background: linear-gradient(0deg, rgba(0, 0, 0, 0) 0%, rgba(0, 255, 65, 0.05) 50%, rgba(0, 0, 0, 0) 100%);
    opacity: 0.35;
    animation: scanline 8s linear infinite;
}

.vignette {
    position: fixed;
    inset: 0;
    z-index: 996;
    pointer-events: none;
    background: radial-gradient(circle, rgba(18, 16, 16, 0) 55%, rgba(0, 0, 0, 0.85) 100%);
}

@keyframes scanline {
    0% { top: -120px; }
    100% { top: 100%; }
}
@keyframes flicker {
    0% { opacity: 0.95; }
    50% { opacity: 0.9; }
    100% { opacity: 0.96; }
}

/* 4. SCROLL PROGRESS BAR */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    z-index: 1001;
    background: rgba(0, 59, 0, 0.4);
}
.scroll-progress-fill {
    height: 100%;
    width: 0;
    background: var(--term-green-bright);
    box-shadow: 0 0 10px var(--term-green-bright), 0 0 20px var(--term-green-bright);
    transition: width 0.1s linear;
}

/* 5. NAVIGATION */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--nav-h);
    z-index: 1000;
    background: rgba(5, 10, 5, 0.82);
    border-bottom: 1px solid var(--term-green);
    backdrop-filter: blur(8px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}
.nav-inner {
    max-width: 1100px;
    height: 100%;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}
.nav-brand {
    text-decoration: none;
    font-size: 0.9rem;
    white-space: nowrap;
    letter-spacing: 0.5px;
}
.nav-prompt { color: var(--term-green-ultra); text-shadow: var(--glow-soft); }
.nav-colon { color: #fff; }
.nav-path { color: var(--term-cyan); }
.nav-cursor { color: var(--term-green-bright); animation: blink 1s step-end infinite; }

.nav-menu { display: flex; gap: 0.5rem; }
.nav-link {
    cursor: pointer;
    font-size: 0.82rem;
    color: var(--term-green);
    text-decoration: none;
    padding: 5px 10px;
    border: 1px solid transparent;
    border-radius: 3px;
    transition: all 0.2s;
}
.nav-link:hover {
    color: var(--term-green-ultra);
    text-shadow: var(--glow-soft);
    border-color: var(--term-green);
    background: rgba(0, 255, 65, 0.08);
}
.nav-link.active {
    color: #001500;
    background: var(--term-green-bright);
    box-shadow: 0 0 10px var(--term-green-bright);
    font-weight: 700;
}

.nav-toggle {
    display: none;
    background: transparent;
    border: 1px solid var(--term-green);
    color: var(--term-green-bright);
    font-size: 1.3rem;
    line-height: 1;
    padding: 2px 10px;
    border-radius: 3px;
    cursor: pointer;
}

/* 6. SECTION LAYOUT */
main { position: relative; z-index: 1; }

.screen {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: calc(var(--nav-h) + 3rem) 1.5rem 4rem;
    position: relative;
}
/* subtle divider between sections */
.screen + .screen::before {
    content: "";
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: min(900px, 90%);
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--term-green), transparent);
    opacity: 0.4;
}

.section-wrap {
    width: 100%;
    max-width: 900px;
    background: rgba(5, 12, 5, 0.55);
    border: 1px solid rgba(0, 143, 17, 0.5);
    border-radius: 8px;
    padding: 2.5rem;
    box-shadow: 0 0 40px rgba(0, 255, 65, 0.06), inset 0 0 30px rgba(0, 255, 65, 0.03);
    backdrop-filter: blur(3px);
    text-shadow: var(--glow-text);
}

/* 7. REVEAL-ON-SCROLL ANIMATION */
.reveal {
    opacity: 0;
    transform: translateY(28px);
    filter: blur(2px);
    transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.16, 1, 0.3, 1), filter 0.6s ease;
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
}
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .reveal { opacity: 1; transform: none; filter: none; transition: none; }
    .scanline, .crt-overlay, .nav-cursor { animation: none; }
}

/* 8. HERO */
.hero { text-align: center; }
.hero-inner { width: 100%; max-width: 760px; }
.boot-logo {
    font-size: clamp(5px, 1.3vw, 11px);
    line-height: 1.1;
    color: var(--term-green-bright);
    white-space: pre;
    text-shadow: var(--glow-soft);
    animation: glow-pulse 3s infinite alternate;
    overflow-x: auto;
}
.hero-tagline {
    margin: 1.5rem 0 2rem;
    font-size: clamp(0.9rem, 2.5vw, 1.25rem);
    color: var(--term-cyan);
    min-height: 1.6em;
    letter-spacing: 1px;
}
.hero-tagline::after {
    content: "█";
    color: var(--term-green-bright);
    animation: blink 1s step-end infinite;
    margin-left: 2px;
}
.boot-text {
    display: inline-block;
    text-align: left;
    margin: 0 auto;
}
.boot-text p {
    margin-bottom: 0.4rem;
    opacity: 0;
    animation: type-in 0.4s forwards;
}
.boot-text p.success { color: var(--term-green-bright); }
@keyframes type-in {
    from { opacity: 0; transform: translateX(-8px); }
    to { opacity: 1; transform: translateX(0); }
}

.scroll-cue {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    margin-top: 3rem;
    color: var(--term-green);
    text-decoration: none;
    font-size: 0.8rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    transition: color 0.2s;
}
.scroll-cue:hover { color: var(--term-green-ultra); text-shadow: var(--glow-soft); }
.scroll-cue-arrow { font-size: 1.1rem; animation: bob 1.6s ease-in-out infinite; }
@keyframes bob {
    0%, 100% { transform: translateY(0); opacity: 0.6; }
    50% { transform: translateY(6px); opacity: 1; }
}
@keyframes glow-pulse {
    from { text-shadow: 0 0 5px var(--term-green-bright); }
    to { text-shadow: 0 0 16px var(--term-green-bright); }
}
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

/* 9. ASCII ART HEADINGS */
.ascii-art.small {
    font-size: clamp(6px, 1.4vw, 12px);
    line-height: 1.15;
    color: var(--term-green-bright);
    white-space: pre;
    margin-bottom: 1.8rem;
    text-shadow: var(--glow-soft);
    overflow-x: auto;
}

/* 10. PROMPTS & OUTPUT BLOCKS */
.prompt {
    color: var(--term-cyan);
    margin: 1.4rem 0 0.6rem;
    font-weight: 600;
}
.prompt::before {
    content: "fathan@portfolio:~$ ";
    color: var(--term-green-bright);
    margin-right: 4px;
}
.output-block {
    background: rgba(0, 255, 65, 0.04);
    border-left: 2px solid var(--term-green);
    padding: 1rem 1.2rem;
    margin-bottom: 1.4rem;
    border-radius: 0 4px 4px 0;
    overflow-x: auto;
}
.section-title {
    color: var(--term-green-ultra);
    font-weight: 700;
    margin-bottom: 0.8rem;
    letter-spacing: 1px;
}

.info-box, .file-tree, .tech-grid, .cert-list,
.file-listing, .contact-info, .project-ascii, .timeline-box {
    white-space: pre;
    line-height: 1.35;
    color: var(--term-green-bright);
    opacity: 0.92;
    font-size: clamp(9px, 1.6vw, 13px);
}

/* 11. SKILLS */
.skill-bars { margin-top: 0.5rem; }
.skill-item {
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 12px;
}
.skill-name { width: 180px; font-weight: 600; flex-shrink: 0; }
.skill-bar {
    flex: 1;
    height: 12px;
    background: rgba(0, 50, 0, 0.5);
    border: 1px solid var(--term-green);
    position: relative;
    overflow: hidden;
}
.skill-fill {
    height: 100%;
    background: var(--term-green-bright);
    box-shadow: 0 0 10px var(--term-green-bright);
    width: 0;
    transition: width 1.1s cubic-bezier(0.1, 0.9, 0.2, 1);
}
.skill-percent { width: 42px; text-align: right; font-weight: 700; flex-shrink: 0; }

/* 12. PROJECTS */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.4rem;
    margin-top: 1rem;
}
.project-card {
    border: 1px solid var(--term-green);
    background: rgba(0, 40, 0, 0.3);
    padding: 1rem;
    transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
    position: relative;
    overflow: hidden;
    will-change: transform;
}
.project-card:hover {
    border-color: var(--term-green-ultra);
    box-shadow: inset 0 0 20px rgba(0, 255, 65, 0.18), 0 0 18px rgba(0, 255, 65, 0.15);
    transform: translateY(-5px);
}
.project-card::after {
    content: "";
    position: absolute;
    top: 0;
    left: -120%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 255, 65, 0.12), transparent);
    transition: left 0.6s;
}
.project-card:hover::after { left: 120%; }
.status-badge {
    display: inline-block;
    margin-top: 10px;
    font-size: 0.8rem;
    padding: 2px 6px;
    border: 1px solid currentColor;
}
.status-badge.in-dev { color: var(--term-yellow); }
.status-badge.completed { color: var(--term-green-bright); }

/* 13. CAREER TIMELINE */
.timeline {
    position: relative;
    padding-left: 1.2rem;
    margin-top: 0.5rem;
}
.timeline::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(var(--term-green-bright), var(--term-green-dark));
    box-shadow: 0 0 8px rgba(0, 255, 65, 0.4);
}
.timeline-item {
    position: relative;
    margin-bottom: 1.5rem;
}
.timeline-item::before {
    content: "";
    position: absolute;
    left: calc(-1.2rem - 5px);
    top: 14px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--term-green-dark);
    border: 2px solid var(--term-green-bright);
}
.timeline-item.current::before {
    background: var(--term-green-bright);
    box-shadow: 0 0 12px var(--term-green-bright);
    animation: glow-pulse 1.5s infinite alternate;
}
.company { color: var(--term-cyan); font-weight: 700; }
.role { color: var(--term-green-ultra); }

/* 14. LINKS */
.link, .project-link {
    color: var(--term-cyan);
    text-decoration: none;
    border-bottom: 1px dotted var(--term-cyan);
    transition: all 0.2s;
}
.link:hover, .project-link:hover {
    color: var(--term-green-ultra);
    border-bottom-style: solid;
    text-shadow: 0 0 8px var(--term-cyan);
}
.project-link { display: inline-block; margin-top: 8px; }

/* 15. FORMS */
.form-group { margin-bottom: 1rem; }
.form-group label { display: block; color: var(--term-green-bright); margin-bottom: 0.4rem; }
.form-group input, .form-group textarea {
    width: 100%;
    background: rgba(0, 20, 0, 0.8);
    border: 1px solid var(--term-green);
    color: var(--term-green-bright);
    padding: 10px;
    font-family: inherit;
    font-size: 1rem;
    border-radius: 3px;
}
.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--term-green-ultra);
    box-shadow: 0 0 10px rgba(0, 255, 65, 0.3);
}
.submit-btn {
    background: transparent;
    border: 2px solid var(--term-green-bright);
    color: var(--term-green-bright);
    padding: 10px 20px;
    font-family: inherit;
    font-weight: 700;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 2px;
    transition: all 0.3s;
}
.submit-btn:hover {
    background: var(--term-green-bright);
    color: #000;
    box-shadow: 0 0 20px var(--term-green-bright);
}
.hidden { display: none; }
.success-message pre { color: var(--term-green-bright); white-space: pre; overflow-x: auto; }

.footer-art {
    white-space: pre;
    color: var(--term-green);
    font-size: clamp(8px, 1.4vw, 12px);
    margin-top: 2rem;
    text-shadow: var(--glow-text);
}
.footer-line {
    margin-top: 1.5rem;
    color: var(--term-green);
    opacity: 0.7;
    font-size: 0.8rem;
    text-align: center;
}

/* 16. FLOATING COMMAND BAR */
.command-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    z-index: 999;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 1.5rem;
    background: rgba(5, 12, 5, 0.9);
    border-top: 1px solid var(--term-green);
    backdrop-filter: blur(8px);
}
.input-prompt {
    color: var(--term-green-bright);
    text-shadow: var(--glow-soft);
    white-space: nowrap;
}
.command-input {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--term-green-ultra);
    font-family: inherit;
    font-size: 0.95rem;
    caret-color: var(--term-green-bright);
}
.command-input:focus { outline: none; }
.command-bar .cursor-blink {
    display: inline-block;
    width: 9px;
    height: 1.1rem;
    background: var(--term-green-bright);
    animation: blink 1s step-end infinite;
}

/* command output popups (injected via JS) */
.cmd-result {
    background: rgba(0, 255, 65, 0.06);
    border-left: 3px solid var(--term-green-bright);
    padding: 14px;
    margin: 12px 0;
    font-size: 13px;
    white-space: pre;
    overflow-x: auto;
    border-radius: 0 4px 4px 0;
    animation: type-in 0.3s ease;
}
.cmd-result.error { border-left-color: var(--term-red); color: var(--term-red); }

/* helper text colors */
.highlight { color: var(--term-cyan); }
.success { color: var(--term-green-bright); }
.warning { color: var(--term-yellow); }
.error { color: var(--term-red); }

/* 17. CUTE CLAUDE MASCOT */
.claude-peek {
    position: fixed;
    right: 0;
    top: 62%;
    z-index: 1000;
    width: 150px;
    height: 180px;
    /* tucked away: only the face peeks past the edge */
    transform: translateX(96px) translateY(-50%);
    transition: transform 0.55s cubic-bezier(0.34, 1.56, 0.64, 1);
    pointer-events: none;
    filter: drop-shadow(0 0 12px rgba(0, 255, 65, 0.55));
}
.claude-peek.peeking {
    transform: translateX(8px) translateY(-50%);
}
.claude-svg {
    width: 100%;
    height: 100%;
    display: block;
    animation: claude-bob 3.2s ease-in-out infinite;
}
@keyframes claude-bob {
    0%, 100% { transform: translateY(0) rotate(-1.5deg); }
    50% { transform: translateY(-7px) rotate(1.5deg); }
}

/* blink */
.claude-eyes {
    transform-origin: center 86px;
    animation: claude-blink 4.5s infinite;
}
@keyframes claude-blink {
    0%, 92%, 100% { transform: scaleY(1); }
    95%, 97% { transform: scaleY(0.1); }
}

/* wave — only while peeking */
.claude-arm {
    transform-origin: 30px 104px;
    transform: rotate(8deg);
    transition: transform 0.3s;
}
.claude-peek.peeking .claude-arm {
    animation: claude-wave 0.5s ease-in-out 3;
}
@keyframes claude-wave {
    0%, 100% { transform: rotate(8deg); }
    50% { transform: rotate(-26deg); }
}

/* speech bubble */
.claude-bubble {
    position: absolute;
    right: 120px;
    top: 24px;
    max-width: 190px;
    padding: 8px 12px;
    background: rgba(5, 12, 5, 0.92);
    border: 1px solid var(--term-green);
    border-radius: 8px;
    color: var(--term-green-bright);
    font-size: 0.74rem;
    line-height: 1.4;
    white-space: nowrap;
    text-shadow: var(--glow-text);
    box-shadow: 0 0 14px rgba(0, 255, 65, 0.15);
    opacity: 0;
    transform: translateX(10px) scale(0.9);
    transform-origin: right center;
    transition: opacity 0.3s, transform 0.3s;
    pointer-events: none;
}
.claude-bubble::after {
    content: "";
    position: absolute;
    right: -7px;
    top: 14px;
    border: 7px solid transparent;
    border-left-color: var(--term-green);
    border-right-width: 0;
}
.claude-bubble.show {
    opacity: 1;
    transform: translateX(0) scale(1);
}

@media (prefers-reduced-motion: reduce) {
    .claude-svg, .claude-eyes, .claude-arm { animation: none; }
    .claude-peek { transition: none; }
}

@media (max-width: 600px) {
    /* smaller + peeks less so it doesn't cover content on tiny screens */
    .claude-peek { width: 104px; height: 125px; transform: translateX(70px) translateY(-50%); }
    .claude-peek.peeking { transform: translateX(6px) translateY(-50%); }
    .claude-bubble { display: none; }
}

/* 18. RESPONSIVE */
@media (max-width: 820px) {
    .nav-toggle { display: block; }
    .nav-menu {
        position: absolute;
        top: var(--nav-h);
        left: 0;
        width: 100%;
        flex-direction: column;
        gap: 0;
        background: rgba(5, 12, 5, 0.97);
        border-bottom: 1px solid var(--term-green);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }
    .nav-menu.open { max-height: 320px; }
    .nav-link {
        width: 100%;
        text-align: center;
        padding: 12px;
        border-radius: 0;
        border-bottom: 1px solid rgba(0, 143, 17, 0.3);
    }
    .nav-link.active { border-radius: 0; }
}

@media (max-width: 600px) {
    .section-wrap { padding: 1.4rem; }
    .skill-item { flex-wrap: wrap; }
    .skill-name { width: 100%; }
    .prompt::before { content: "$ "; }
    .command-bar { padding: 8px 1rem; }
    .input-prompt { font-size: 0.75rem; }
    .projects-grid { grid-template-columns: 1fr; }
}