/* ============================================================
   Mohamed Aathif — Software Engineering portfolio (light, official)
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root{
    --bg: #f7f9fc;
    --surface: #ffffff;
    --ink: #0b1220;
    --ink-2: #334155;
    --muted: #64748b;
    --line: #e3e8ef;
    --line-2: #cfd7e3;
    --accent: #2563eb;
    --accent-ink: #1d4ed8;
    --accent-soft: #eef4ff;
    --cyan: #0891b2;
    --ok: #16a34a;
    --code-bg: #0d1424;
    --code-line: #1c2740;

    --radius: 14px;
    --radius-lg: 20px;
    --shadow-sm: 0 1px 2px rgba(15, 23, 42, .05), 0 1px 1px rgba(15, 23, 42, .03);
    --shadow: 0 1px 2px rgba(15, 23, 42, .04), 0 12px 32px -12px rgba(15, 23, 42, .14);
    --shadow-lg: 0 30px 60px -20px rgba(15, 23, 42, .35);

    --max: 1180px;
    --gutter: clamp(16px, 4vw, 32px);
    --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    --sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
    color-scheme: light;
}

*,*::before,*::after{ margin: 0; padding: 0; box-sizing: border-box; }
html{ scroll-behavior: smooth; scroll-padding-top: 84px; }
body{
    font-family: var(--sans);
    color: var(--ink-2);
    background: var(--bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
/* Faint blueprint grid that fades out below the hero */
body::before{
    content: "";
    position: absolute;
    inset: 0 0 auto 0;
    height: 1100px;
    background-image:
        linear-gradient(to right, rgba(37, 99, 235, .06) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(37, 99, 235, .06) 1px, transparent 1px);
    background-size: 44px 44px;
    -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 0%, #000 40%, transparent 100%);
            mask-image: radial-gradient(ellipse 80% 70% at 50% 0%, #000 40%, transparent 100%);
    pointer-events: none;
    z-index: 0;
}
a{ color: inherit; text-decoration: none; }
img{ display: block; max-width: 100%; }
i.uil{ line-height: 1; }

.container{
    width: 100%;
    max-width: var(--max);
    margin: 0 auto;
    padding-inline: var(--gutter);
    position: relative;
    z-index: 1;
}
.mono{ font-family: var(--mono); }

/* ---------- Buttons ---------- */
.btn{
    display: inline-flex;
    align-items: center;
    gap: 8px;
    height: 44px;
    padding: 0 18px;
    border-radius: 10px;
    font: 600 14px/1 var(--sans);
    border: 1px solid var(--line-2);
    background: var(--surface);
    color: var(--ink);
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease, background .15s ease, color .15s ease;
    white-space: nowrap;
}
.btn i{ font-size: 17px; }
.btn:hover{ transform: translateY(-1px); border-color: var(--ink); box-shadow: var(--shadow); }
.btn-primary{
    background: var(--ink);
    border-color: var(--ink);
    color: #fff;
}
.btn-primary:hover{ background: #1a2540; border-color: #1a2540; }
.btn-accent{
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}
.btn-accent:hover{ background: var(--accent-ink); border-color: var(--accent-ink); }
.btn-sm{ height: 36px; padding: 0 12px; font-size: 13px; border-radius: 8px; }

/* ---------- Nav ---------- */
.nav{
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(247, 249, 252, .78);
    backdrop-filter: saturate(160%) blur(14px);
    -webkit-backdrop-filter: saturate(160%) blur(14px);
    border-bottom: 1px solid transparent;
    transition: border-color .2s ease, box-shadow .2s ease;
}
.nav.scrolled{ border-color: var(--line); box-shadow: 0 6px 20px -16px rgba(15, 23, 42, .4); }
.nav-inner{
    display: flex;
    align-items: center;
    gap: 24px;
    height: 68px;
}
.logo{
    font: 600 18px/1 var(--mono);
    color: var(--ink);
    display: inline-flex;
    align-items: center;
    letter-spacing: -.02em;
}
.logo .br{ color: var(--accent); }
.logo .caret{
    width: 2px;
    height: 20px;
    margin-left: 5px;
    border-radius: 1px;
    background: var(--ink);
    animation: blink 1.2s ease-in-out infinite;
}
/* Soft fade rather than a hard on/off flash */
@keyframes blink{ 0%, 45%{ opacity: 1; } 55%, 95%{ opacity: .15; } 100%{ opacity: 1; } }

.nav-links{
    display: flex;
    gap: 4px;
    margin-left: auto;
    list-style: none;
}
.nav-links a{
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    color: var(--muted);
    transition: color .15s ease, background .15s ease;
}
.nav-links a .num{ font: 500 11px/1 var(--mono); color: var(--accent); opacity: .8; }
.nav-links a:hover{ color: var(--ink); background: rgba(15, 23, 42, .04); }
.nav-links a.active{ color: var(--ink); background: var(--surface); box-shadow: var(--shadow-sm); }
.nav-toggle{
    display: none;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    border: 1px solid var(--line-2);
    background: var(--surface);
    color: var(--ink);
    align-items: center;
    justify-content: center;
    cursor: pointer;
}
.nav-toggle i{ font-size: 22px; }

/* ---------- Hero ---------- */
.hero{ padding: 72px 0 56px; }
.hero-grid{
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    gap: 56px;
    align-items: center;
}
.hero-id{
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 26px;
    flex-wrap: wrap;
}
.avatar{
    width: 68px;
    height: 68px;
    border-radius: 50%;
    overflow: hidden;
    border: 2px solid var(--surface);
    box-shadow: 0 0 0 1px var(--line-2), var(--shadow);
    background: var(--accent-soft);
    flex: none;
}
.avatar img{ width: 100%; height: 100%; object-fit: cover; transform: translateY(8%) scale(2.3); transform-origin: 48% 20%; }
.status{
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px 6px 10px;
    border-radius: 999px;
    background: var(--surface);
    border: 1px solid var(--line);
    font-size: 13px;
    font-weight: 500;
    color: var(--ink-2);
    box-shadow: var(--shadow-sm);
}
.dot{
    position: relative;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--ok);
}
.dot::after{
    content: "";
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 2px solid var(--ok);
    opacity: .35;
    animation: ping 2s ease-out infinite;
}
@keyframes ping{ from{ transform: scale(.6); opacity: .5; } to{ transform: scale(1.6); opacity: 0; } }

.eyebrow{
    font: 500 13px/1 var(--mono);
    color: var(--accent);
    letter-spacing: .02em;
    margin-bottom: 14px;
}
.hero h1{
    font-size: clamp(40px, 6vw, 64px);
    line-height: 1.04;
    letter-spacing: -.035em;
    font-weight: 800;
    color: var(--ink);
}
.hero h1 .role{
    display: block;
    background: linear-gradient(90deg, var(--accent) 0%, var(--cyan) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    /* room for the "g" descender, which the gradient would otherwise clip */
    padding-bottom: .12em;
    margin-bottom: -.12em;
}
.lede{
    margin-top: 22px;
    font-size: 17px;
    line-height: 1.7;
    color: var(--ink-2);
    max-width: 54ch;
}
.lede strong{ color: var(--ink); font-weight: 600; }
.hero-meta{
    display: flex;
    flex-wrap: wrap;
    gap: 10px 22px;
    margin-top: 22px;
    font-size: 14px;
    color: var(--muted);
}
.hero-meta span{ display: inline-flex; align-items: center; gap: 6px; }
.hero-meta i{ font-size: 17px; color: var(--ink-2); }
.hero-cta{ display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.socials{ display: flex; gap: 8px; margin-top: 28px; }
.social{
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--surface);
    border: 1px solid var(--line);
    color: var(--ink-2);
    transition: color .15s ease, border-color .15s ease, transform .15s ease;
}
.social i{ font-size: 19px; }
.social:hover{ color: var(--accent); border-color: var(--accent); transform: translateY(-2px); }

/* ---------- Code window ---------- */
.code-window{
    position: relative;
    background: var(--code-bg);
    border-radius: 16px;
    box-shadow: var(--shadow-lg), 0 0 0 1px rgba(15, 23, 42, .9);
    overflow: hidden;
    font-family: var(--mono);
}
.code-window::before{
    /* soft accent glow behind the editor */
    content: "";
    position: absolute;
    inset: -40% -20% auto auto;
    width: 320px;
    height: 320px;
    background: radial-gradient(closest-side, rgba(37, 99, 235, .35), transparent);
    pointer-events: none;
}
.cw-bar{
    display: flex;
    align-items: center;
    gap: 14px;
    height: 44px;
    padding: 0 16px;
    background: #0a1020;
    border-bottom: 1px solid var(--code-line);
}
.cw-lights{ display: flex; gap: 7px; }
.cw-lights span{ width: 11px; height: 11px; border-radius: 50%; background: #2a3550; }
.cw-lights span:nth-child(1){ background: #ff5f57; }
.cw-lights span:nth-child(2){ background: #febc2e; }
.cw-lights span:nth-child(3){ background: #28c840; }
.cw-tab{
    display: inline-flex;
    align-items: center;
    gap: 8px;
    height: 44px;
    padding: 0 14px;
    font-size: 12.5px;
    color: #cbd5e1;
    background: var(--code-bg);
    border-inline: 1px solid var(--code-line);
    margin-bottom: -1px;
}
.cw-tab b{ color: #60a5fa; font-weight: 600; }
.cw-body{
    position: relative;
    padding: 18px 0 20px;
    font-size: 13.5px;
    line-height: 1.85;
    color: #d6deeb;
    overflow-x: auto;
}
.cw-body ol{ list-style: none; counter-reset: ln; }
.cw-body li{
    counter-increment: ln;
    white-space: pre;
    padding-right: 20px;
}
.cw-body li::before{
    content: counter(ln);
    display: inline-block;
    width: 44px;
    padding-right: 16px;
    text-align: right;
    color: #3b4a6b;
    user-select: none;
}
.t-com{ color: #64748b; font-style: italic; }
.t-key{ color: #c792ea; }
.t-var{ color: #82aaff; }
.t-prop{ color: #7fdbca; }
.t-str{ color: #ecc48d; }
.t-bool{ color: #ff7a93; }
.t-pun{ color: #8899b4; }
.cursor{
    display: inline-block;
    width: 2px;
    height: 16px;
    margin-left: 2px;
    border-radius: 1px;
    background: #cbd5e1;
    vertical-align: -3px;
    animation: blink 1.2s ease-in-out infinite;
}
.cw-foot{
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 8px 16px;
    font-size: 11.5px;
    color: #7c8db0;
    background: #0a1020;
    border-top: 1px solid var(--code-line);
}
.cw-foot .ok{ color: #4ade80; }

/* ---------- Stats strip ---------- */
.stats{
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    margin-top: 64px;
    overflow: hidden;
}
.stat{ padding: 22px 24px; border-left: 1px solid var(--line); }
.stat:first-child{ border-left: 0; }
.stat b{
    display: block;
    font-size: 28px;
    font-weight: 800;
    letter-spacing: -.03em;
    color: var(--ink);
    line-height: 1.1;
}
.stat span{ font-size: 13.5px; color: var(--muted); }

/* ---------- Sections ---------- */
.section{ padding: 88px 0; position: relative; }
.section-alt{
    background: var(--surface);
    border-block: 1px solid var(--line);
}
.section-head{ margin-bottom: 44px; max-width: 640px; }
.section-head .idx{
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font: 500 13px/1 var(--mono);
    color: var(--accent);
    margin-bottom: 14px;
}
.section-head .idx::after{ content: ""; width: 40px; height: 1px; background: var(--accent); opacity: .5; }
.section-head h2{
    font-size: clamp(28px, 3.6vw, 40px);
    line-height: 1.15;
    letter-spacing: -.03em;
    color: var(--ink);
    font-weight: 800;
}
.section-head p{ margin-top: 12px; color: var(--muted); font-size: 16px; }

.card{
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}
.section-alt .card{ background: var(--bg); box-shadow: none; }

/* About */
.about-grid{
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    gap: 28px;
}
.about-text{ padding: 32px; }
.about-text p{ font-size: 16px; line-height: 1.8; }
.about-text p + p{ margin-top: 14px; }
.about-text .focus{
    margin-top: 24px;
    padding: 14px 16px;
    border-radius: 12px;
    background: var(--accent-soft);
    border: 1px solid #dbe6ff;
    font-size: 14px;
    color: var(--ink-2);
    display: flex;
    gap: 10px;
}
.about-text .focus i{ font-size: 18px; color: var(--accent); }
.edu{ display: grid; gap: 16px; align-content: start; }
.edu-item{ padding: 22px 24px; display: flex; gap: 16px; }
.edu-icon{
    flex: none;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-soft);
    color: var(--accent);
}
.edu-icon i{ font-size: 22px; }
.edu-item h3{ font-size: 16px; color: var(--ink); font-weight: 700; letter-spacing: -.01em; }
.edu-item p{ font-size: 14px; color: var(--muted); }
.edu-item .when{ font: 500 12px/1.4 var(--mono); color: var(--cyan); margin-top: 6px; display: block; }

/* Experience — git log */
.gitlog{ padding: 8px 0; overflow: hidden; }
.gitlog-head{
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
    padding: 14px 24px;
    border-bottom: 1px solid var(--line);
    font: 500 13px/1.4 var(--mono);
    color: var(--muted);
}
.gitlog-head b{ color: var(--ink); font-weight: 600; }
.commit{
    position: relative;
    display: grid;
    grid-template-columns: 28px minmax(0, 1fr);
    gap: 16px;
    padding: 22px 24px 22px 24px;
}
.commit + .commit{ border-top: 1px dashed var(--line); }
.commit-rail{ position: relative; display: flex; justify-content: center; }
.commit-rail::before{
    content: "";
    position: absolute;
    top: 0;
    bottom: -44px;
    width: 2px;
    background: var(--line-2);
}
.commit:last-child .commit-rail::before{ bottom: auto; height: 12px; }
.commit-dot{
    position: relative;
    margin-top: 4px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--surface);
    border: 3px solid var(--accent);
}
.commit.head .commit-dot{ background: var(--accent); box-shadow: 0 0 0 5px rgba(37, 99, 235, .15); }
.commit-top{ display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; }
.hash{ font: 500 12.5px/1 var(--mono); color: #b45309; }
.ref{
    font: 600 11.5px/1 var(--mono);
    padding: 4px 8px;
    border-radius: 999px;
    color: var(--ok);
    background: #ecfdf3;
    border: 1px solid #c6f0d5;
}
.ref.tag{ color: var(--muted); background: var(--bg); border-color: var(--line); }
.commit h3{ font-size: 18px; color: var(--ink); font-weight: 700; letter-spacing: -.015em; margin-top: 8px; }
.commit .org{ font-size: 14px; color: var(--ink-2); font-weight: 500; }
.commit .date{ font: 400 12.5px/1 var(--mono); color: var(--muted); margin-left: auto; }
.commit ul{ margin-top: 10px; padding-left: 18px; color: var(--ink-2); font-size: 15px; }
.commit li + li{ margin-top: 4px; }
.commit li::marker{ color: var(--accent); }

/* Stack */
.stack-grid{
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}
.stack{ padding: 24px; transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease; }
.stack:hover{ border-color: var(--line-2); transform: translateY(-3px); box-shadow: var(--shadow); }
.stack-top{ display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.stack-top i{
    width: 38px;
    height: 38px;
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 19px;
    background: var(--ink);
    color: #fff;
}
.stack-top h3{ font-size: 15.5px; color: var(--ink); font-weight: 700; }
.stack-top small{ display: block; font: 400 12px/1.3 var(--mono); color: var(--muted); }
.chips{ display: flex; flex-wrap: wrap; gap: 6px; }
.chip{
    font: 500 12.5px/1 var(--mono);
    padding: 7px 10px;
    border-radius: 7px;
    background: var(--bg);
    border: 1px solid var(--line);
    color: var(--ink-2);
}
.section-alt .chip{ background: var(--surface); }

/* Projects */
.projects{
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
}
.project{
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.project:hover{ transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--line-2); }
.project-path{
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 12px 20px;
    border-bottom: 1px solid var(--line);
    background: #fbfcfe;
    font: 500 12.5px/1.3 var(--mono);
    color: var(--muted);
}
.project-path span{ display: inline-flex; align-items: center; gap: 8px; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.project-path i{ font-size: 16px; color: var(--accent); }
.badge{
    flex: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font: 600 11.5px/1 var(--mono);
    padding: 5px 9px;
    border-radius: 999px;
    color: var(--ok);
    background: #ecfdf3;
    border: 1px solid #c6f0d5;
}
.badge .dot{ width: 6px; height: 6px; }
.badge .dot::after{ display: none; }
.badge.repo{ color: var(--ink-2); background: var(--bg); border-color: var(--line); }
.project-body{ padding: 22px 22px 24px; display: flex; flex-direction: column; gap: 14px; flex: 1; }
.project h3{ font-size: 20px; color: var(--ink); font-weight: 700; letter-spacing: -.02em; }
.project p{ font-size: 15px; color: var(--ink-2); line-height: 1.7; flex: 1; }
.project .chips .chip{ font-size: 12px; padding: 6px 9px; }
.project-links{ display: flex; flex-wrap: wrap; gap: 8px; }
.project-featured{ grid-column: 1 / -1; }
.project-featured .project-body{
    display: grid;
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    gap: 28px;
    align-items: start;
}
.project-featured h3{ font-size: 26px; }
.feature-list{ display: grid; gap: 10px; list-style: none; }
.feature-list li{
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 12px 14px;
    border-radius: 12px;
    background: var(--bg);
    border: 1px solid var(--line);
    font-size: 14px;
    color: var(--ink-2);
}
.feature-list i{ font-size: 18px; color: var(--accent); flex: none; margin-top: 1px; }
.featured-left{ display: flex; flex-direction: column; gap: 14px; }
.more-work{
    margin-top: 26px;
    font-size: 14px;
    color: var(--muted);
    display: flex;
    flex-wrap: wrap;
    gap: 6px 16px;
    align-items: center;
}
.more-work a{ color: var(--accent); font-weight: 600; display: inline-flex; align-items: center; gap: 2px; }
.more-work a:hover{ color: var(--accent-ink); text-decoration: underline; }

/* Contact */
.contact-grid{
    display: grid;
    grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
    gap: 28px;
    align-items: stretch;
}
.terminal{
    background: var(--code-bg);
    color: #d6deeb;
    border-radius: var(--radius-lg);
    overflow: hidden;
    font-family: var(--mono);
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
}
.terminal .cw-bar{ justify-content: space-between; }
.terminal .cw-bar small{ font-size: 12px; color: #7c8db0; }
.term-body{ padding: 22px 22px 26px; font-size: 13.5px; line-height: 1.9; display: grid; gap: 4px; }
.term-body .p{ color: #4ade80; }
.term-body .c{ color: #7c8db0; }
.term-row{
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    margin-top: 6px;
    border-radius: 10px;
    background: rgba(255, 255, 255, .04);
    border: 1px solid var(--code-line);
    color: #e2e8f0;
    transition: border-color .15s ease, background .15s ease;
    word-break: break-word;
}
a.term-row:hover{ border-color: #3b82f6; background: rgba(59, 130, 246, .08); }
.term-row i{ font-size: 18px; color: #60a5fa; flex: none; }
.form{ padding: 28px; display: grid; gap: 14px; }
.form h3{ font-size: 20px; color: var(--ink); font-weight: 700; letter-spacing: -.02em; }
.form .sub{ font-size: 14px; color: var(--muted); margin-top: -8px; }
.field{ display: grid; gap: 6px; }
.field label{ font-size: 13px; font-weight: 600; color: var(--ink); }
.field input,
.field textarea{
    width: 100%;
    font: 400 15px/1.5 var(--sans);
    color: var(--ink);
    background: var(--surface);
    border: 1px solid var(--line-2);
    border-radius: 10px;
    padding: 11px 14px;
    outline: none;
    transition: border-color .15s ease, box-shadow .15s ease;
}
.field textarea{ min-height: 140px; resize: vertical; }
.field input,
.field textarea{ caret-color: var(--ink); }
.field input:focus,
.field textarea:focus{ border-color: var(--accent); box-shadow: 0 0 0 4px rgba(37, 99, 235, .14); }
.field-row{ display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form .btn{ justify-self: start; }

/* Footer */
.footer{ border-top: 1px solid var(--line); background: var(--surface); padding: 28px 0; }
.footer-inner{
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    font-size: 14px;
    color: var(--muted);
}
.footer-inner .mono{ font-size: 12.5px; }
.footer-inner a:hover{ color: var(--accent); }
.footer-links{ display: flex; gap: 16px; flex-wrap: wrap; }

/* Reveal on scroll */
.reveal{ opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s cubic-bezier(.2, .7, .2, 1); }
.reveal.in{ opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 1020px){
    .nav-links a .num{ display: none; }
    .stack-grid{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 960px){
    .hero{ padding-top: 48px; }
    .hero-grid{ grid-template-columns: 1fr; gap: 40px; }
    .about-grid,
    .contact-grid,
    .project-featured .project-body{ grid-template-columns: 1fr; }
    .stats{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .stat:nth-child(3){ border-left: 0; }
    .stat:nth-child(n+3){ border-top: 1px solid var(--line); }
}
@media (max-width: 860px){
    .nav-toggle{ display: inline-flex; margin-left: auto; }
    .nav .btn-resume{ display: none; }
    .nav-links{
        position: absolute;
        top: 68px;
        left: 0;
        right: 0;
        flex-direction: column;
        gap: 2px;
        padding: 10px var(--gutter) 16px;
        background: rgba(247, 249, 252, .97);
        border-bottom: 1px solid var(--line);
        box-shadow: 0 20px 30px -20px rgba(15, 23, 42, .3);
        display: none;
    }
    .nav-links.open{ display: flex; }
    .nav-links a{ padding: 12px; font-size: 15px; }
    .nav-links a .num{ display: inline; }
}
@media (max-width: 680px){
    .section{ padding: 64px 0; }
    .projects,
    .stack-grid{ grid-template-columns: 1fr; }
    .field-row{ grid-template-columns: 1fr; }
    .about-text,
    .form{ padding: 22px; }
    .commit{ padding: 20px 18px; gap: 12px; grid-template-columns: 20px minmax(0, 1fr); }
    .commit .date{ margin-left: 0; width: 100%; }
    .cw-body{ font-size: 12px; }
    .cw-body li::before{ width: 34px; padding-right: 12px; }
    .stat{ padding: 18px; }
    .stat b{ font-size: 24px; }
    .hero-cta .btn{ flex: 1 1 auto; justify-content: center; }
}

@media (prefers-reduced-motion: reduce){
    html{ scroll-behavior: auto; }
    *, *::before, *::after{ animation: none !important; transition: none !important; }
    .reveal{ opacity: 1; transform: none; }
}

/* ============================================================
   Simple background animation — code symbols drifting upward
   ============================================================ */
.hero{ position: relative; overflow: hidden; }
.hero .container{ position: relative; z-index: 1; }
.code-rain{
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
    /* fade out just under the nav so symbols never sit on the menu */
    -webkit-mask-image: linear-gradient(to bottom, transparent 60px, #000 140px);
            mask-image: linear-gradient(to bottom, transparent 60px, #000 140px);
}
.code-rain span{
    position: absolute;
    bottom: -40px;
    font: 500 var(--fs, 14px)/1 var(--mono);
    color: var(--accent);
    opacity: 0;
    white-space: nowrap;
    animation: glyphRise var(--dur, 30s) linear var(--delay, 0s) infinite;
}
@keyframes glyphRise{
    0%{ transform: translateY(0); opacity: 0; }
    15%{ opacity: var(--op, .12); }
    80%{ opacity: var(--op, .12); }
    100%{ transform: translateY(-115vh); opacity: 0; }
}
@media (prefers-reduced-motion: reduce){
    .code-rain{ display: none; }
}

/* ============================================================
   Mouse pointer — navy arrow, site-blue over anything clickable
   ============================================================ */
html,
body{
    cursor: url("data:image/svg+xml,%3Csvg xmlns=%22http://www.w3.org/2000/svg%22 width=%2224%22 height=%2224%22 viewBox=%220 0 24 24%22%3E%3Cpath d=%22M4 2.5v16.2l4.3-4.1 2.9 6.5 2.9-1.3-2.9-6.4h6z%22 fill=%22%230b1220%22 stroke=%22%23fff%22 stroke-width=%221.6%22 stroke-linejoin=%22round%22/%3E%3C/svg%3E") 4 2, auto;
}
a,
button,
.btn,
.nav-toggle,
.social,
summary,
label[for],
[role="button"],
[role="tab"]{
    cursor: url("data:image/svg+xml,%3Csvg xmlns=%22http://www.w3.org/2000/svg%22 width=%2224%22 height=%2224%22 viewBox=%220 0 24 24%22%3E%3Cpath d=%22M4 2.5v16.2l4.3-4.1 2.9 6.5 2.9-1.3-2.9-6.4h6z%22 fill=%22%232563eb%22 stroke=%22%23fff%22 stroke-width=%221.6%22 stroke-linejoin=%22round%22/%3E%3C/svg%3E") 4 2, pointer;
}
input,
textarea{
    cursor: text;
}

/* ============================================================
   Code pad — tabs + editable editor inside the hero code window
   ============================================================ */
.cw-bar{ gap: 12px; padding-right: 10px; }
.cw-tabs{
    display: flex;
    align-items: stretch;
    flex: 1;
    min-width: 0;
    height: 44px;
    overflow-x: auto;
    scrollbar-width: none;
}
.cw-tabs::-webkit-scrollbar{ display: none; }
.cw-tab{
    flex: none;
    cursor: inherit;
    color: #7c8db0;
    background: transparent;
    border-inline: 1px solid transparent;
    transition: color .15s ease, background .15s ease;
    outline: none;
}
.cw-tab:hover{ color: #cbd5e1; }
.cw-tab.active{
    color: #e2e8f0;
    background: var(--code-bg);
    border-inline-color: var(--code-line);
    box-shadow: inset 0 2px 0 #3b82f6;
}
.cw-tab:focus-visible{ box-shadow: inset 0 0 0 1px #60a5fa; }
.cw-tab b{ font-size: 10.5px; letter-spacing: .02em; }
.cw-tab b.l-js{ color: #facc15; }
.cw-tab b.l-ts{ color: #60a5fa; }
.cw-tab b.l-py{ color: #4ade80; }
.cw-tab b.l-html{ color: #fb923c; }
.cw-tab b.l-css{ color: #c084fc; }
.cw-tab b.l-txt{ color: #94a3b8; }
.cw-tab .cw-name{ white-space: nowrap; }
.cw-tab .cw-rename{
    width: 13ch;
    font: inherit;
    color: #fff;
    background: #0a1020;
    border: 1px solid #3b82f6;
    border-radius: 4px;
    padding: 2px 5px;
    outline: none;
}
.cw-close{
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    margin-left: 2px;
    border: 0;
    border-radius: 4px;
    background: transparent;
    color: #64748b;
    font: 500 14px/1 var(--mono);
    opacity: .6;
}
.cw-tab:hover .cw-close,
.cw-tab.active .cw-close{ opacity: 1; }
.cw-close:hover{ background: rgba(255,255,255,.08); color: #e2e8f0; }

.cw-add{
    flex: none;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    height: 28px;
    padding: 0 10px 0 7px;
    border-radius: 7px;
    border: 1px solid var(--code-line);
    background: rgba(255,255,255,.03);
    color: #94a3b8;
    font: 500 12px/1 var(--mono);
    transition: color .15s ease, border-color .15s ease, background .15s ease;
}
.cw-add i{ font-size: 15px; }
.cw-add:hover{ color: #fff; border-color: #3b82f6; background: rgba(59,130,246,.12); }
.cw-add:disabled{ opacity: .4; }

/* Both panes share one fixed height so switching tabs never jumps */
.cw-body,
.cw-editor{ height: calc(13 * 1.85em + 38px); font-size: 13.5px; }
.cw-body{ overflow: hidden; }
.cw-editor[hidden]{ display: none; }
.cw-editor{
    position: relative;
    display: flex;
    font-family: var(--mono);
    line-height: 1.85;
    color: #d6deeb;
}
.ed-gutter{
    flex: none;
    width: 44px;
    padding: 18px 16px 20px 0;
    text-align: right;
    color: #3b4a6b;
    overflow: hidden;
    user-select: none;
    white-space: pre;
}
.ed-gutter .cur{ color: #94a3b8; }
.ed-area{ position: relative; flex: 1; min-width: 0; }
.ed-hl,
.ed-input{
    position: absolute;
    inset: 0;
    margin: 0;
    padding: 18px 20px 20px 0;
    font: inherit;
    line-height: inherit;
    tab-size: 2;
    white-space: pre;
    word-wrap: normal;
    border: 0;
}
.ed-hl{ overflow: hidden; pointer-events: none; color: #d6deeb; }
.ed-hl code{ font: inherit; display: block; }
.ed-input{
    width: 100%;
    height: 100%;
    resize: none;
    outline: none;
    background: transparent;
    color: transparent;
    -webkit-text-fill-color: transparent;
    caret-color: #e2e8f0;
    overflow: auto;
}
.ed-input::selection{ background: rgba(96,165,250,.3); -webkit-text-fill-color: transparent; }
.ed-input::placeholder{ color: #475569; -webkit-text-fill-color: #475569; }
.code-window .ed-input{ cursor: text; }
.code-window:focus-within{ box-shadow: var(--shadow-lg), 0 0 0 1px rgba(15,23,42,.9), 0 0 0 4px rgba(37,99,235,.25); }
.t-num{ color: #f78c6c; }
.t-tag{ color: #ff7a93; }

@media (max-width: 680px){
    .cw-body,
    .cw-editor{ font-size: 12px; }
    .ed-gutter{ width: 34px; padding-right: 12px; }
    .cw-add span{ display: none; }
    .cw-add{ padding: 0 7px; }
}
/* The window itself must never scroll when the pad takes focus */
.code-window{ overflow: clip; }
/* Tabs shrink like browser tabs instead of pushing engineer.ts out of view */
.cw-tab{ flex: 0 1 auto; min-width: 92px; max-width: 170px; padding: 0 8px 0 10px; }
.cw-tab .cw-name{ min-width: 0; overflow: hidden; text-overflow: ellipsis; }
.cw-tab.active{ flex-shrink: 0; }
/* engineer.ts stays pinned at the left of the strip */
.cw-tab[data-id="engineer"]{
    position: sticky;
    left: 0;
    z-index: 1;
    flex-shrink: 0;
    background: #0a1020;
    box-shadow: 6px 0 10px -6px rgba(0, 0, 0, .6);
}
.cw-tab[data-id="engineer"].active{
    background: var(--code-bg);
    box-shadow: inset 0 2px 0 #3b82f6, 6px 0 10px -6px rgba(0, 0, 0, .6);
}
/* Thin, dark scrollbars inside the editor */
.ed-input{ scrollbar-width: thin; scrollbar-color: #2a3550 transparent; }
.ed-input::-webkit-scrollbar{ width: 8px; height: 8px; }
.ed-input::-webkit-scrollbar-track{ background: transparent; }
.ed-input::-webkit-scrollbar-thumb{ background: #2a3550; border-radius: 8px; }
.ed-input::-webkit-scrollbar-corner{ background: transparent; }

/* ============================================================
   CV preview page
   ============================================================ */
.nav-actions{ display: flex; gap: 8px; margin-left: auto; }
.cv-page{ padding: 48px 0 64px; position: relative; }
.cv-head{
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
    margin-bottom: 28px;
}
.cv-id{ display: flex; align-items: center; gap: 18px; min-width: 0; }
.cv-id .eyebrow{ margin-bottom: 8px; }
.cv-id h1{
    font-size: clamp(30px, 4.4vw, 44px);
    line-height: 1.1;
    letter-spacing: -.03em;
    font-weight: 800;
    color: var(--ink);
}
.cv-sub{ margin-top: 6px; font-size: 15px; color: var(--muted); }
.cv-actions{ display: flex; flex-wrap: wrap; gap: 10px; }

.cv-viewer{
    background: var(--code-bg);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-lg), 0 0 0 1px rgba(15, 23, 42, .9);
}
.cv-viewer .cw-tab{ color: #e2e8f0; box-shadow: inset 0 2px 0 #3b82f6; white-space: nowrap; min-width: 0; overflow: hidden; text-overflow: ellipsis; }
.cv-viewer .cw-tab b.pdf{ color: #f87171; font-size: 10.5px; letter-spacing: .02em; }
.cv-frame{ background: #e9edf3; }
.cv-frame iframe{
    display: block;
    width: 100%;
    height: min(82vh, 1100px);
    min-height: 520px;
    border: 0;
}
.cv-note{ margin-top: 16px; font-size: 14px; color: var(--muted); }
.cv-note a{ color: var(--accent); font-weight: 600; }
.cv-note a:hover{ text-decoration: underline; }

@media (max-width: 680px){
    .cv-page{ padding-top: 32px; }
    .cv-id{ align-items: flex-start; }
    .cv-actions{ width: 100%; }
    .cv-actions .btn{ flex: 1 1 auto; justify-content: center; }
    .nav-actions .btn:first-child{ display: none; }
    .cv-frame iframe{ height: 70vh; min-height: 420px; }
}

/* ============================================================
   Case study pages (web apps / mobile apps)
   ============================================================ */
.case-page{ padding: 56px 0 72px; position: relative; }
.case-head{ max-width: 720px; margin-bottom: 36px; }
.case-head h1{
    font-size: clamp(32px, 5vw, 52px);
    line-height: 1.08;
    letter-spacing: -.035em;
    font-weight: 800;
    color: var(--ink);
}
.case-sub{ margin-top: 12px; font-size: 16.5px; color: var(--ink-2); max-width: 60ch; }
.case-switch{
    display: inline-flex;
    gap: 4px;
    margin-top: 26px;
    padding: 4px;
    border-radius: 12px;
    background: var(--surface);
    border: 1px solid var(--line);
    box-shadow: var(--shadow-sm);
}
.case-switch a{
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 14px;
    border-radius: 9px;
    font-size: 14px;
    font-weight: 600;
    color: var(--muted);
    transition: color .15s ease, background .15s ease;
}
.case-switch a i{ font-size: 17px; }
.case-switch a span{
    font: 600 11.5px/1 var(--mono);
    padding: 3px 7px;
    border-radius: 999px;
    background: var(--bg);
    border: 1px solid var(--line);
    color: var(--muted);
}
.case-switch a:hover{ color: var(--ink); }
.case-switch a.active{ background: var(--ink); color: #fff; }
.case-switch a.active span{ background: rgba(255,255,255,.12); border-color: transparent; color: #fff; }

.badge.org{ color: var(--accent); background: var(--accent-soft); border-color: #dbe6ff; }

/* "Show details" disclosure on case cards */
.more{ border-top: 1px dashed var(--line); padding-top: 12px; }
.more summary{
    display: inline-flex;
    align-items: center;
    gap: 6px;
    list-style: none;
    font: 600 13px/1 var(--mono);
    color: var(--accent);
    user-select: none;
}
.more summary::-webkit-details-marker{ display: none; }
.more summary::before{
    content: "+";
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    border-radius: 5px;
    background: var(--accent-soft);
    font-weight: 700;
    transition: transform .2s ease;
}
.more[open] summary::before{ content: "−"; }
.more summary:hover{ color: var(--accent-ink); }
.more ul{ margin-top: 12px; padding-left: 18px; display: grid; gap: 6px; font-size: 14.5px; color: var(--ink-2); line-height: 1.65; }
.more li::marker{ color: var(--accent); }
.case-grid{ align-items: start; }
.case-grid .project p{ flex: 0 0 auto; }

@media (max-width: 680px){
    .case-page{ padding-top: 36px; }
    .case-switch{ display: flex; width: 100%; }
    .case-switch a{ flex: 1; justify-content: center; white-space: nowrap; padding: 9px 8px; gap: 6px; }
}

/* Desktop: size the hero heading to the left column so "Software Engineer." stays on one line.
   The role text is ~8.8× its font size wide; the column is ~(viewport − 120px) × 0.525. */
@media (min-width: 961px){
    .hero h1{ font-size: min(60px, calc((100vw - 120px) * 0.056)); }
    .hero h1 .role{ white-space: nowrap; }
}