/* ═══════════════════════════════════════════════════════════
   mpyatak.net — Terminal-Chic Portfolio
   ═══════════════════════════════════════════════════════════ */

/* ── Tokens ─────────────────────────────────────────────── */
:root {
    --bg-primary: #0a0a0a;
    --bg-surface: #111111;
    --bg-card: #161616;
    --bg-card-hover: #1c1c1c;
    --accent: #00ff88;
    --accent-dim: #00ff8833;
    --accent-alt: #00c8ff;
    --accent-alt-dim: #00c8ff22;
    --text-primary: #e0e0e0;
    --text-muted: #777;
    --border: #222;
    --border-glow: #00ff8844;
    --radius: 8px;
    --radius-lg: 14px;
    --transition: .3s cubic-bezier(.4, 0, .2, 1);
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    --max-width: 1100px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

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: inherit;
    text-decoration: none;
}

ul {
    list-style: none;
}

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

/* ── Utility ────────────────────────────────────────────── */
.container {
    width: 90%;
    max-width: var(--max-width);
    margin: 0 auto;
}

.accent {
    color: var(--accent);
}

.terminal-prompt {
    color: var(--accent);
    font-family: var(--font-mono);
    margin-right: .4em;
    user-select: none;
}

/* ── Scanline Overlay ───────────────────────────────────── */
.scanline-overlay {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 9999;
    background: repeating-linear-gradient(0deg,
            transparent,
            transparent 2px,
            rgba(0, 0, 0, .06) 2px,
            rgba(0, 0, 0, .06) 4px);
    mix-blend-mode: overlay;
}

/* ── Noise grain (body pseudo) ──────────────────────────── */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 9998;
    opacity: .035;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    background-size: 200px;
}

/* ══════════════════════════════════════════════════════════
   HEADER
   ══════════════════════════════════════════════════════════ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 10, .85);
    backdrop-filter: blur(16px) saturate(1.2);
    -webkit-backdrop-filter: blur(16px) saturate(1.2);
    border-bottom: 1px solid var(--border);
    transition: background var(--transition);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.header__logo {
    font-family: var(--font-mono);
    font-size: 1.15rem;
    font-weight: 600;
    letter-spacing: -.5px;
    color: var(--text-primary);
    transition: color var(--transition);
}

.header__logo:hover {
    color: var(--accent);
}

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

/* Nav */
.header__nav-list {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.header__nav-link {
    font-family: var(--font-mono);
    font-size: .8rem;
    letter-spacing: .5px;
    text-transform: uppercase;
    color: var(--text-muted);
    transition: color var(--transition);
    position: relative;
}

.header__nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--accent);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--transition);
}

.header__nav-link:hover,
.header__nav-link.active {
    color: var(--accent);
}

.header__nav-link:hover::after,
.header__nav-link.active::after {
    transform: scaleX(1);
    transform-origin: left;
}

.header__nav-link--cta {
    background: var(--accent-dim);
    color: var(--accent) !important;
    padding: .4rem .9rem;
    border-radius: var(--radius);
    border: 1px solid var(--accent);
    display: inline-flex;
    align-items: center;
    gap: .35rem;
}

.header__nav-link--cta::after {
    display: none;
}

.header__nav-link--cta:hover {
    background: var(--accent);
    color: var(--bg-primary) !important;
}

.cta-icon {
    font-size: .9rem;
}

/* Hamburger */
.header__hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    z-index: 1001;
}

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

.header__hamburger.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.header__hamburger.open span:nth-child(2) {
    opacity: 0;
}

.header__hamburger.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ══════════════════════════════════════════════════════════
   HERO
   ══════════════════════════════════════════════════════════ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 120px 0 80px;
}

.hero__inner {
    text-align: center;
}

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

.hero__name {
    font-family: var(--font-mono);
    font-size: clamp(2.5rem, 7vw, 5rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: .5rem;
    background: linear-gradient(135deg, var(--text-primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__title {
    font-size: clamp(1rem, 2.5vw, 1.35rem);
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.hero__tagline {
    font-family: var(--font-mono);
    font-size: clamp(.85rem, 1.8vw, 1.05rem);
    color: var(--accent-alt);
    min-height: 1.6em;
    margin-bottom: 2.5rem;
}

.hero__tagline::after {
    content: '█';
    animation: blink 1s step-end infinite;
    margin-left: 2px;
}

@keyframes blink {
    50% {
        opacity: 0;
    }
}

.hero__actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Scroll indicator */
.hero__scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: .5rem;
    font-family: var(--font-mono);
    font-size: .65rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--text-muted);
}

.hero__scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--accent), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {

    0%,
    100% {
        opacity: .3;
    }

    50% {
        opacity: 1;
    }
}

/* ══════════════════════════════════════════════════════════
   BUTTONS
   ══════════════════════════════════════════════════════════ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    font-family: var(--font-mono);
    font-size: .85rem;
    font-weight: 500;
    padding: .75rem 1.6rem;
    border-radius: var(--radius);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition);
    text-transform: uppercase;
    letter-spacing: .5px;
}

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

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

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

.btn--outline:hover {
    background: var(--accent-dim);
    box-shadow: 0 0 20px var(--accent-dim);
}

.btn__icon {
    font-size: 1rem;
}

/* ══════════════════════════════════════════════════════════
   SECTIONS (generic)
   ══════════════════════════════════════════════════════════ */
.section {
    padding: 100px 0;
    position: relative;
}

.section--alt {
    background: var(--bg-surface);
}

.section__heading {
    font-family: var(--font-mono);
    font-size: clamp(1.4rem, 3vw, 1.8rem);
    font-weight: 600;
    margin-bottom: 3rem;
}

.section__heading-index {
    color: var(--accent);
    font-size: .9em;
    margin-right: .5rem;
}

/* ══════════════════════════════════════════════════════════
   TERMINAL CARD
   ══════════════════════════════════════════════════════════ */
.terminal-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.terminal-card:hover {
    border-color: var(--border-glow);
    box-shadow: 0 0 30px rgba(0, 255, 136, .06);
}

.terminal-card__bar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: rgba(255, 255, 255, .03);
    border-bottom: 1px solid var(--border);
}

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

.terminal-card__dot--red {
    background: #ff5f56;
}

.terminal-card__dot--yellow {
    background: #ffbd2e;
}

.terminal-card__dot--green {
    background: #27c93f;
}

.terminal-card__title {
    font-family: var(--font-mono);
    font-size: .75rem;
    color: var(--text-muted);
    margin-left: auto;
}

.terminal-card__body {
    padding: 24px;
}

.terminal-card__body p {
    margin-bottom: 1rem;
    color: var(--text-muted);
    line-height: 1.8;
}

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

/* ══════════════════════════════════════════════════════════
   ABOUT
   ══════════════════════════════════════════════════════════ */
.about__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: start;
}

.about__stats {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px 24px;
    display: flex;
    flex-direction: column;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.stat-card:hover {
    border-color: var(--border-glow);
    box-shadow: 0 0 20px rgba(0, 255, 136, .05);
}

.stat-card__value {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 700;
}

.stat-card__label {
    font-size: .8rem;
    color: var(--text-muted);
    margin-top: .25rem;
}

/* ══════════════════════════════════════════════════════════
   TIMELINE / EXPERIENCE
   ══════════════════════════════════════════════════════════ */
.timeline {
    position: relative;
    padding-left: 32px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 7px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--accent), var(--border));
}

.timeline__item {
    position: relative;
    margin-bottom: 2rem;
}

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

.timeline__marker {
    position: absolute;
    left: -32px;
    top: 18px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 2px solid var(--accent);
    background: var(--bg-primary);
    z-index: 1;
}

.timeline__role {
    font-family: var(--font-mono);
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: .25rem;
}

.timeline__company {
    font-family: var(--font-mono);
    font-size: .9rem;
    margin-bottom: .25rem;
}

.timeline__date {
    font-family: var(--font-mono);
    font-size: .78rem;
    color: var(--text-muted);
    margin-bottom: .75rem;
}

.timeline__details {
    list-style: none;
}

.timeline__details li {
    position: relative;
    padding-left: 1.4rem;
    margin-bottom: .4rem;
    color: var(--text-muted);
    font-size: .9rem;
}

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

/* ══════════════════════════════════════════════════════════
   SKILLS
   ══════════════════════════════════════════════════════════ */
.skills__grid {
    display: flex;
    flex-wrap: wrap;
    gap: .75rem;
    justify-content: center;
}

.skill-pill {
    display: inline-flex;
    align-items: center;
    gap: .45rem;
    font-family: var(--font-mono);
    font-size: .82rem;
    padding: .6rem 1.2rem;
    border-radius: 999px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-primary);
    transition: all var(--transition);
    cursor: default;
}

.skill-pill:hover {
    border-color: var(--accent);
    background: var(--accent-dim);
    color: var(--accent);
    box-shadow: 0 0 18px rgba(0, 255, 136, .08);
    transform: translateY(-2px);
}

.skill-pill__icon {
    font-size: 1rem;
}

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

.project-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px;
    display: flex;
    flex-direction: column;
    transition: all var(--transition);
}

.project-card:hover {
    border-color: var(--border-glow);
    box-shadow: 0 4px 40px rgba(0, 255, 136, .07);
    transform: translateY(-4px);
}

.project-card__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
}

.project-card__icon {
    font-size: 2rem;
}

.project-card__tag {
    font-family: var(--font-mono);
    font-size: .7rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--accent);
    background: var(--accent-dim);
    padding: .2rem .6rem;
    border-radius: var(--radius);
}

.project-card__title {
    font-family: var(--font-mono);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: .75rem;
}

.project-card__desc {
    color: var(--text-muted);
    font-size: .9rem;
    line-height: 1.7;
    flex: 1;
    margin-bottom: 1.25rem;
}

.project-card__tech {
    display: flex;
    flex-wrap: wrap;
    gap: .5rem;
    margin-top: auto;
}

.project-card__tech span {
    font-family: var(--font-mono);
    font-size: .7rem;
    color: var(--text-muted);
    background: rgba(255, 255, 255, .04);
    padding: .2rem .55rem;
    border-radius: var(--radius);
}

/* ══════════════════════════════════════════════════════════
   CONTACT
   ══════════════════════════════════════════════════════════ */
.contact__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.contact__intro {
    color: var(--text-muted);
    font-size: 1.05rem;
    line-height: 1.8;
    margin-bottom: 2rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.contact-form__label {
    font-family: var(--font-mono);
    font-size: .75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin-bottom: .35rem;
    display: block;
}

.contact-form__input {
    width: 100%;
    font-family: var(--font-mono);
    font-size: .88rem;
    padding: .75rem 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    transition: border-color var(--transition), box-shadow var(--transition);
    outline: none;
}

.contact-form__input::placeholder {
    color: var(--text-muted);
    opacity: .5;
}

.contact-form__input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-dim);
}

.contact-form__textarea {
    resize: vertical;
    min-height: 120px;
}

.contact-form__submit {
    align-self: flex-start;
}

/* ══════════════════════════════════════════════════════════
   FOOTER
   ══════════════════════════════════════════════════════════ */
.footer {
    padding: 3rem 0;
    border-top: 1px solid var(--border);
    text-align: center;
}

.footer__inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.25rem;
}

.footer__socials {
    display: flex;
    gap: 1.25rem;
}

.footer__social-link {
    color: var(--text-muted);
    transition: color var(--transition), transform var(--transition);
    display: flex;
    align-items: center;
}

.footer__social-link:hover {
    color: var(--accent);
    transform: translateY(-3px);
}

.footer__copy {
    font-family: var(--font-mono);
    font-size: .78rem;
    color: var(--text-muted);
}

.footer__built {
    font-size: .75rem;
    color: var(--text-muted);
    opacity: .6;
}

/* ══════════════════════════════════════════════════════════
   FADE-IN ANIMATIONS
   ══════════════════════════════════════════════════════════ */
.fade-in {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity .7s ease, transform .7s ease;
}

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

/* ══════════════════════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════════════════════ */
@media (max-width: 768px) {
    .header__hamburger {
        display: flex;
    }

    .header__nav {
        position: fixed;
        inset: 0;
        background: rgba(10, 10, 10, .97);
        display: flex;
        align-items: center;
        justify-content: center;
        opacity: 0;
        pointer-events: none;
        transition: opacity var(--transition);
    }

    .header__nav.open {
        opacity: 1;
        pointer-events: all;
    }

    .header__nav-list {
        flex-direction: column;
        gap: 2.5rem;
        text-align: center;
    }

    .header__nav-link {
        font-size: 1.1rem;
    }

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

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

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

    .section {
        padding: 70px 0;
    }

    .hero {
        padding: 100px 0 60px;
    }
}

@media (min-width: 1200px) {
    .container {
        width: 80%;
    }
}