/* =========================================================
   Alok Sharma — Portfolio · "Developer Terminal" theme
   Palette: deep navy-black ink / run-green primary / cyan accent
   Type:    Space Grotesk (display + body) · IBM Plex Mono (code)
   ========================================================= */

:root {
    --bg:        #0A0F1A;
    --bg-2:      #0D1524;
    --panel:     #111A2B;
    --panel-2:   #0F1826;
    --line:      rgba(148, 163, 184, 0.14);
    --line-soft: rgba(148, 163, 184, 0.08);

    --text:      #E6EDF6;
    --muted:     #93A3B8;
    --dim:       #64748B;

    --green:     #22E07B;   /* run green */
    --green-dk:  #17B863;
    --cyan:      #38BDF8;
    --amber:     #FBBF24;
    --purple:    #A78BFA;
    --rose:      #FB7185;

    --font-display: "Space Grotesk", system-ui, sans-serif;
    --font-body:    "Space Grotesk", system-ui, sans-serif;
    --font-mono:    "IBM Plex Mono", ui-monospace, monospace;

    --maxw: 1120px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; scroll-padding-top: 84px; }
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation: none !important; transition: none !important; }
}

body {
    font-family: var(--font-body);
    color: var(--text);
    background: var(--bg);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    /* subtle dev grid */
    background-image:
        linear-gradient(var(--line-soft) 1px, transparent 1px),
        linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
    background-size: 44px 44px;
    background-attachment: fixed;
}

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

h1, h2, h3 { font-family: var(--font-display); line-height: 1.05; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.8rem, 8vw, 5rem); font-weight: 700; }
h2 { font-size: clamp(1.9rem, 4vw, 2.7rem); font-weight: 700; margin-bottom: 1rem; }
h3 { font-size: 1.2rem; font-weight: 600; }

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

:where(a, button, input, textarea, .project-card, .chip):focus-visible {
    outline: 2px solid var(--green);
    outline-offset: 3px;
    border-radius: 6px;
}

.skip-link {
    position: absolute; left: -9999px; top: 8px; z-index: 200;
    background: var(--green); color: #04160C; padding: 10px 16px;
    border-radius: 8px; font-weight: 600; font-family: var(--font-mono);
}
.skip-link:focus { left: 12px; }

.eyebrow {
    font-family: var(--font-mono);
    font-size: 0.82rem;
    letter-spacing: 0.06em;
    color: var(--green);
    margin-bottom: 0.9rem;
    display: flex; align-items: center; gap: 8px;
}
.eyebrow.light { color: var(--green); }
.sec-num { color: var(--cyan); opacity: 0.85; }

/* ---------- Header ---------- */
.site-header {
    position: sticky; top: 0; z-index: 50;
    background: rgba(10, 15, 26, 0.72);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid transparent;
    transition: border-color 0.25s ease, background 0.25s ease;
}
.site-header.scrolled { border-bottom-color: var(--line); background: rgba(10, 15, 26, 0.9); }
.nav-row { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: 4px; color: var(--text); font-family: var(--font-mono); }
.brand-mark { color: var(--green); font-weight: 600; }
.brand-name { font-family: var(--font-display); font-weight: 600; letter-spacing: -0.01em; }
.brand:hover .brand-name { color: var(--green); }

.site-nav { display: flex; gap: 26px; align-items: center; }
.site-nav a { color: var(--muted); font-weight: 500; font-size: 0.92rem; transition: color 0.2s ease; }
.site-nav a .nav-idx { font-family: var(--font-mono); color: var(--green); font-size: 0.78rem; margin-right: 2px; }
.site-nav a:hover, .site-nav a.active { color: var(--text); }
.nav-cta {
    border: 1px solid var(--green); color: var(--green) !important;
    padding: 8px 16px; border-radius: 8px; font-family: var(--font-mono); font-size: 0.85rem;
    transition: background 0.2s ease, box-shadow 0.2s ease;
}
.nav-cta:hover { background: rgba(34, 224, 123, 0.12); box-shadow: 0 0 24px -6px var(--green); }

.nav-toggle {
    display: none; width: 42px; height: 42px; background: transparent;
    border: 1px solid var(--line); border-radius: 10px; cursor: pointer;
    flex-direction: column; align-items: center; justify-content: center; gap: 5px;
}
.nav-toggle span { width: 18px; height: 2px; background: var(--text); border-radius: 2px; transition: transform 0.25s ease, opacity 0.25s ease; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero { position: relative; padding: 92px 0 64px; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.glow { position: absolute; border-radius: 50%; filter: blur(90px); opacity: 0.5; }
.glow-a { width: 460px; height: 460px; background: radial-gradient(circle, rgba(34,224,123,0.35), transparent 70%); top: -120px; left: -80px; animation: float 14s ease-in-out infinite; }
.glow-b { width: 420px; height: 420px; background: radial-gradient(circle, rgba(56,189,248,0.28), transparent 70%); bottom: -140px; right: -60px; animation: float 18s ease-in-out infinite reverse; }
@keyframes float { 0%,100% { transform: translate(0,0); } 50% { transform: translate(30px, -24px); } }

.hero-grid {
    position: relative; z-index: 1;
    display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items: center;
}

.status-pill {
    display: inline-flex; align-items: center; gap: 8px;
    font-family: var(--font-mono); font-size: 0.78rem; color: var(--green);
    background: rgba(34, 224, 123, 0.08); border: 1px solid rgba(34, 224, 123, 0.3);
    padding: 6px 12px; border-radius: 999px; margin-bottom: 1.4rem;
}
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 0 rgba(34,224,123,0.6); animation: pulse 2s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(34,224,123,0.55); } 70% { box-shadow: 0 0 0 8px rgba(34,224,123,0); } 100% { box-shadow: 0 0 0 0 rgba(34,224,123,0); } }

.hero-name {
    background: linear-gradient(120deg, #fff 20%, var(--green) 60%, var(--cyan) 100%);
    -webkit-background-clip: text; background-clip: text; color: transparent;
    display: inline-flex; align-items: baseline;
}
.caret { display: inline-block; width: 4px; height: 0.9em; margin-left: 8px; background: var(--green); animation: blink 1.05s step-end infinite; }
@keyframes blink { 50% { opacity: 0; } }

.hero-sub { font-family: var(--font-mono); font-size: clamp(1.05rem, 2.4vw, 1.5rem); color: var(--muted); margin: 1rem 0 0.9rem; min-height: 1.5em; }
.type-target { color: var(--cyan); }
.type-target::after { content: "▋"; color: var(--green); animation: blink 1s step-end infinite; margin-left: 1px; }
.hero-lead { color: var(--muted); max-width: 50ch; }

.hero-actions { display: flex; gap: 14px; margin-top: 1.9rem; flex-wrap: wrap; }
.btn {
    display: inline-flex; align-items: center; gap: 8px; font-weight: 600;
    padding: 12px 22px; border-radius: 10px; font-size: 0.95rem;
    border: 1px solid transparent; cursor: pointer; font-family: var(--font-body);
    transition: transform 0.18s ease, box-shadow 0.22s ease, background 0.2s ease, border-color 0.2s ease;
}
.btn-prompt { font-family: var(--font-mono); opacity: 0.8; }
.btn-solid { background: var(--green); color: #04160C; }
.btn-solid:hover { background: var(--green); transform: translateY(-2px); box-shadow: 0 12px 30px -10px rgba(34,224,123,0.6); }
.btn-ghost { border-color: var(--line); color: var(--text); background: rgba(255,255,255,0.02); }
.btn-ghost:hover { border-color: var(--green); color: var(--green); transform: translateY(-2px); }

.hero-links { display: flex; gap: 12px; margin-top: 1.8rem; list-style: none; }
.hero-links a {
    display: inline-flex; align-items: center; justify-content: center;
    width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 10px;
    color: var(--muted); transition: color 0.2s, border-color 0.2s, transform 0.2s;
}
.hero-links a:hover { color: var(--green); border-color: var(--green); transform: translateY(-3px); }

/* Terminal card */
.term {
    background: linear-gradient(180deg, var(--panel), var(--panel-2));
    border: 1px solid var(--line); border-radius: 14px; overflow: hidden;
    box-shadow: 0 30px 80px -30px rgba(0,0,0,0.8), 0 0 0 1px rgba(56,189,248,0.05);
}
.term-bar { display: flex; align-items: center; gap: 14px; padding: 12px 16px; background: rgba(255,255,255,0.03); border-bottom: 1px solid var(--line-soft); }
.dots { display: inline-flex; gap: 7px; }
.dots i { width: 12px; height: 12px; border-radius: 50%; display: inline-block; }
.dots i:nth-child(1) { background: #FF5F56; }
.dots i:nth-child(2) { background: #FFBD2E; }
.dots i:nth-child(3) { background: #27C93F; }
.term-title { font-family: var(--font-mono); font-size: 0.78rem; color: var(--dim); }
.term-body { padding: 20px 20px 22px; font-family: var(--font-mono); font-size: 0.83rem; line-height: 1.85; color: var(--text); overflow-x: auto; }
.term-body .prompt { color: var(--green); }
.term-body .cmd { color: var(--cyan); }
.term-body .dim { color: var(--dim); }
.term-body .k { color: var(--cyan); }
.term-body .s { color: var(--amber); }
.term-body .n { color: var(--purple); }
.term-body .b { color: var(--green); }
.term-body .blink { animation: blink 1s step-end infinite; color: var(--green); }

/* ---------- Marquee ---------- */
.marquee { border-block: 1px solid var(--line); background: var(--bg-2); overflow: hidden; padding: 16px 0; -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.marquee-track { display: flex; align-items: center; gap: 18px; width: max-content; animation: scroll 34s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-item { font-family: var(--font-mono); font-size: 0.9rem; color: var(--muted); white-space: nowrap; }
.marquee-sep { color: var(--green); opacity: 0.6; }
@keyframes scroll { to { transform: translateX(-50%); } }

/* ---------- Sections ---------- */
.section { padding: 88px 0; position: relative; }
.section-tint { background: var(--bg-2); border-block: 1px solid var(--line-soft); }
.section-dark { background: linear-gradient(180deg, var(--bg-2), var(--bg)); border-top: 1px solid var(--line-soft); }

/* About */
.about-grid { display: grid; grid-template-columns: 0.9fr 1.3fr; gap: 56px; }
.about-copy p { color: var(--muted); }
.about-copy p + p { margin-top: 1rem; }
.about-copy p:first-child { color: var(--text); }
.fact-strip { display: flex; gap: 40px; flex-wrap: wrap; margin-top: 2rem; padding-top: 1.6rem; border-top: 1px solid var(--line); list-style: none; }
.fact-strip li { display: flex; flex-direction: column; }
.fact-strip strong { font-family: var(--font-mono); font-size: 1.9rem; font-weight: 600; color: var(--green); }
.fact-strip span { font-size: 0.85rem; color: var(--muted); }

/* Skills */
.skills-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 18px; margin-top: 2.2rem; }
.skill-group {
    background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 22px;
    transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}
.skill-group:hover { transform: translateY(-4px); border-color: rgba(56,189,248,0.4); box-shadow: 0 20px 44px -24px rgba(56,189,248,0.4); }
.skill-title { font-family: var(--font-mono); font-weight: 500; font-size: 0.9rem; color: var(--text); margin-bottom: 1rem; display: flex; align-items: center; gap: 6px; }
.skill-hash { color: var(--green); }
.chip-list { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; }
.chip {
    background: rgba(255,255,255,0.03); border: 1px solid var(--line); border-radius: 8px;
    padding: 5px 11px; font-size: 0.82rem; color: var(--muted); font-family: var(--font-mono);
    transition: color 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}
.chip:hover { color: var(--green); border-color: rgba(34,224,123,0.5); background: rgba(34,224,123,0.06); }
.chip-list.mono .chip { font-size: 0.74rem; }

/* Projects */
.project-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; margin-top: 2.2rem; }
.project-card {
    position: relative; background: var(--panel); border: 1px solid var(--line); border-radius: 16px;
    padding: 26px; display: flex; flex-direction: column; gap: 12px; overflow: hidden;
    transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}
.project-card::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 2px; background: linear-gradient(90deg, var(--green), var(--cyan)); opacity: 0; transition: opacity 0.25s ease; }
.project-card:hover { transform: translateY(-6px); border-color: rgba(34,224,123,0.4); box-shadow: 0 26px 60px -28px rgba(34,224,123,0.5); }
.project-card:hover::before { opacity: 1; }
.project-top { display: flex; align-items: center; justify-content: space-between; }
.folder { color: var(--green); display: inline-flex; }
.project-label { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.04em; color: var(--cyan); }
.project-card h3 { color: var(--text); }
.project-card:hover h3 { color: var(--green); }
.project-desc { color: var(--muted); font-size: 0.94rem; flex: 1; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.contact-intro { color: var(--muted); margin-top: 1rem; max-width: 42ch; }
.contact-list { list-style: none; margin-top: 1.8rem; display: grid; gap: 14px; }
.contact-list li { display: grid; grid-template-columns: 96px 1fr; gap: 12px; font-size: 0.95rem; align-items: baseline; color: var(--muted); }
.contact-list span { color: var(--dim); font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.04em; }
.contact-list a { color: var(--text); border-bottom: 1px solid transparent; }
.contact-list a:hover { color: var(--green); border-bottom-color: var(--green); }

.contact-form {
    background: var(--panel); border: 1px solid var(--line); border-radius: 16px;
    padding: 12px 22px 26px; display: grid; gap: 6px;
    box-shadow: 0 30px 70px -34px rgba(0,0,0,0.7);
}
.form-head { display: flex; align-items: center; gap: 12px; font-family: var(--font-mono); font-size: 0.78rem; color: var(--dim); margin: 4px -6px 14px; padding: 8px 0; border-bottom: 1px solid var(--line-soft); }
.contact-form label { font-family: var(--font-mono); font-size: 0.76rem; color: var(--muted); margin-top: 12px; }
.contact-form input, .contact-form textarea {
    background: var(--bg); border: 1px solid var(--line); border-radius: 9px; padding: 11px 14px;
    color: var(--text); font-family: var(--font-body); font-size: 0.95rem; transition: border-color 0.18s ease, box-shadow 0.18s ease;
}
.contact-form input::placeholder, .contact-form textarea::placeholder { color: var(--dim); }
.contact-form input:focus, .contact-form textarea:focus { outline: none; border-color: var(--green); box-shadow: 0 0 0 3px rgba(34,224,123,0.15); }
.contact-form button { margin-top: 18px; justify-content: center; }
.hp { position: absolute !important; left: -9999px !important; height: 0; width: 0; opacity: 0; }

.form-note { border-radius: 9px; padding: 10px 14px; font-size: 0.9rem; margin: 6px 0 4px; font-family: var(--font-mono); }
.form-note.ok  { background: rgba(34, 224, 123, 0.12); color: var(--green); border: 1px solid rgba(34,224,123,0.3); }
.form-note.err { background: rgba(251, 113, 133, 0.12); color: var(--rose); border: 1px solid rgba(251,113,133,0.3); }

/* Footer */
.site-footer { background: var(--bg); border-top: 1px solid var(--line); padding: 26px 0; }
.footer-row { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; color: var(--dim); font-size: 0.85rem; font-family: var(--font-mono); }
.footer-row a { color: var(--muted); }
.footer-row a:hover { color: var(--green); }

/* Reveal on scroll */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
    .hero-grid, .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 40px; }
    .project-grid { grid-template-columns: 1fr; }
    .hero { padding: 60px 0 48px; }
    .nav-toggle { display: flex; }
    .site-nav {
        position: fixed; inset: 64px 0 auto 0; flex-direction: column; gap: 4px;
        background: rgba(13, 21, 36, 0.98); backdrop-filter: blur(14px);
        border-bottom: 1px solid var(--line); padding: 16px 24px 24px;
        transform: translateY(-140%); transition: transform 0.3s ease; z-index: 40;
    }
    .site-nav.open { transform: translateY(0); }
    .site-nav a { padding: 12px 0; width: 100%; border-bottom: 1px solid var(--line-soft); }
    .nav-cta { text-align: center; margin-top: 8px; }
}