:root {
  --bg: #fbfbfd;
  --ink: #1d1d1f;
  --muted: #6e6e73;
  --line: #d2d2d7;
  --accent: #0071e3;
  --accent-hover: #0077ed;
  --radius: 14px;
  --maxw: 1100px;
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display",
               "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.47;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

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

h1, h2, h3 {
  font-family: "SF Pro Display", -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0;
}

h1 {
  font-size: clamp(44px, 8vw, 88px);
  line-height: 1.05;
  letter-spacing: -0.035em;
}

h2 {
  font-size: clamp(28px, 4vw, 44px);
  letter-spacing: -0.025em;
}

/* Nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(251, 251, 253, 0.72);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}
.nav-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 14px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  color: var(--ink);
  font-weight: 600;
  letter-spacing: -0.01em;
}
.nav nav a {
  color: var(--ink);
  margin-left: 28px;
  font-size: 14px;
  opacity: 0.85;
}
.nav nav a:hover { opacity: 1; }

/* Hero */
.hero {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 120px 22px 80px;
  text-align: center;
}
.eyebrow {
  color: var(--muted);
  font-size: 14px;
  letter-spacing: 0.02em;
  margin: 0 0 18px;
}
.hero .lede {
  max-width: 620px;
  margin: 28px auto 36px;
  color: var(--muted);
  font-size: 19px;
}
.cta {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  padding: 12px 22px;
  border-radius: 980px;
  font-size: 15px;
  font-weight: 500;
  transition: background-color .2s ease;
}
.cta:hover { background: var(--accent-hover); color: #fff; }

/* Work */
.work {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 80px 22px;
}
.section-head { text-align: center; margin-bottom: 44px; }
.section-head p { color: var(--muted); margin: 10px 0 0; }

.masonry {
  column-count: 3;
  column-gap: 16px;
}
@media (max-width: 900px) { .masonry { column-count: 2; } }
@media (max-width: 560px) { .masonry { column-count: 1; } }

.tile {
  break-inside: avoid;
  margin: 0 0 16px;
  border-radius: var(--radius);
  overflow: hidden;
  background: #efefef;
  transition: transform .35s ease;
}
.tile img {
  width: 100%;
  height: auto;
  display: block;
}
.tile:hover { transform: translateY(-2px); }

.empty {
  text-align: center;
  color: var(--muted);
  padding: 60px 0;
}
.empty code {
  background: #ececf0;
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 14px;
}

/* Pager */
.pager {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
  margin-top: 44px;
}
.pager-btn {
  display: inline-block;
  padding: 9px 18px;
  border: 1px solid var(--line);
  border-radius: 980px;
  color: var(--ink);
  font-size: 14px;
  background: #fff;
  transition: border-color .2s ease, color .2s ease;
}
.pager-btn:hover { border-color: var(--ink); color: var(--ink); }
.pager-btn[aria-disabled="true"] {
  opacity: 0.35;
  pointer-events: none;
}
.pager-count {
  color: var(--muted);
  font-size: 14px;
  font-variant-numeric: tabular-nums;
}

/* About */
.about {
  max-width: 720px;
  margin: 0 auto;
  padding: 60px 22px 40px;
  text-align: center;
}
.about p {
  color: var(--muted);
  font-size: 19px;
  margin: 22px 0 0;
}

/* Contact */
.contact {
  background: #fff;
  border-top: 1px solid rgba(0, 0, 0, 0.06);
  margin-top: 60px;
  padding: 80px 22px;
}
.contact-inner {
  max-width: 560px;
  margin: 0 auto;
  text-align: center;
}
.contact p {
  color: var(--muted);
  margin: 10px 0 32px;
}
.form {
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.form label { display: block; }
.form label span {
  display: block;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 6px;
}
.form input,
.form textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  font: inherit;
  color: var(--ink);
  transition: border-color .2s ease, box-shadow .2s ease;
}
.form input:focus,
.form textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(0, 113, 227, 0.12);
}
.form textarea { resize: vertical; }
.form button {
  align-self: flex-start;
  background: var(--accent);
  color: #fff;
  border: 0;
  padding: 12px 22px;
  border-radius: 980px;
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: background-color .2s ease;
}
.form button:hover { background: var(--accent-hover); }

.notice {
  padding: 12px 16px;
  border-radius: 10px;
  margin-bottom: 20px;
  font-size: 15px;
  text-align: left;
}
.notice-ok { background: #e8f5ee; color: #1c6c3a; }
.notice-err { background: #fdecec; color: #a02020; }

/* Footer */
.footer {
  text-align: center;
  padding: 28px 22px 40px;
  color: var(--muted);
  font-size: 12px;
}