/* Case study pages (portfolio/toad.html, portfolio/ismart.html) */

:root {
    --ink: #16141c;
    --muted: #6b6878;
    --line: #e7e5ee;
    --panel: #f4f3f8;
    --accent: #695aa6;
    --page: 1040px;
    --text: 640px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: #fff;
    color: var(--ink);
    font: 400 17px/1.65 "Open Sans", system-ui, sans-serif;
    -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

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

/* Top bar */
.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 28px;
    padding-bottom: 28px;
    font-size: 15px;
}

.topbar a { text-decoration: none; }
.topbar .name { font-weight: 700; }
.topbar .back { color: var(--muted); }
.topbar .back:hover { color: var(--ink); }

/* Intro */
.intro { padding-top: 56px; padding-bottom: 48px; }

.eyebrow {
    margin: 0 0 12px;
    color: var(--accent);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.intro h1 {
    margin: 0 0 16px;
    font-size: clamp(40px, 7vw, 64px);
    font-weight: 700;
    line-height: 1.05;
    letter-spacing: -.02em;
}

.intro .summary {
    max-width: var(--text);
    margin: 0;
    color: var(--muted);
    font-size: 20px;
    line-height: 1.55;
}

.meta {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 24px;
    margin: 40px 0 0;
    padding-top: 24px;
    border-top: 1px solid var(--line);
}

.meta dt {
    margin-bottom: 4px;
    color: var(--muted);
    font-size: 13px;
}

.meta dd { margin: 0; font-size: 15px; }
.meta a { color: var(--accent); font-weight: 600; text-decoration: none; }

/* Sections */
.block { padding-top: 72px; }

.block h2 {
    margin: 0 0 10px;
    font-size: 26px;
    font-weight: 700;
    letter-spacing: -.01em;
}

.block > .wrap > p {
    max-width: var(--text);
    margin: 0 0 32px;
    color: var(--muted);
}

/* Images: shown at natural size or smaller, never stretched */
figure { margin: 0; }

.shot img {
    display: block;
    width: 100%;
    height: auto;
    border: 1px solid var(--line);
    border-radius: 10px;
    cursor: zoom-in;
}

.stack { display: grid; gap: 24px; }

/* Side-by-side images keep equal heights: each figure grows by its aspect ratio (--ar = width / height) */
.row {
    display: flex;
    gap: 24px;
    align-items: flex-start;
}

.row > figure { flex: var(--ar, 1) 1 0; min-width: 0; }

/* Phone screens sit on a tinted panel at a readable size */
.phones {
    display: flex;
    justify-content: center;
    gap: 32px;
    padding: 48px 24px;
    background: var(--panel);
    border-radius: 14px;
}

.phones figure { flex: 0 1 260px; min-width: 0; }
.phones img { border: 0; border-radius: 28px; box-shadow: 0 20px 40px rgba(22, 20, 28, .12); }

/* Next project + footer */
.next {
    margin-top: 96px;
    padding-top: 56px;
    padding-bottom: 56px;
    border-top: 1px solid var(--line);
}

.next a {
    display: inline-block;
    font-size: clamp(28px, 4.5vw, 40px);
    font-weight: 700;
    letter-spacing: -.02em;
    text-decoration: none;
}

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

.footer {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    padding-top: 24px;
    padding-bottom: 40px;
    border-top: 1px solid var(--line);
    color: var(--muted);
    font-size: 14px;
}

.footer a { color: var(--accent); text-decoration: none; }

/* Lightbox */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: rgba(12, 11, 16, .92);
    cursor: zoom-out;
}

.lightbox.open { display: flex; }

.lightbox img {
    max-width: 100%;
    max-height: 100%;
    border-radius: 8px;
}

@media (max-width: 700px) {
    body { font-size: 16px; }
    .intro { padding-top: 32px; }
    .intro .summary { font-size: 18px; }
    .block { padding-top: 56px; }
    .row { flex-direction: column; }
    .row > figure { width: 100%; }
    .phones { gap: 16px; padding: 32px 16px; }
    .phones img { border-radius: 18px; }
}