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

:root {
  --bg: #F5F5F5;
  --text: #2D2B2A;
  --muted: rgba(45,43,42,0.4);
  --margin: clamp(24px, 4vw, 64px);
}

html {
  font-size: 16px;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', sans-serif;
  font-weight: 300;
  overflow-x: hidden;
  opacity: 0;
  transition: opacity 0.4s ease;
}

body.loaded {
  opacity: 1;
}

/* ── Header ── */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 20px var(--margin);
  display: flex;
  align-items: center;
  mix-blend-mode: difference;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.site-nav {
  margin-left: auto;
  display: flex;
  gap: 28px;
}

.site-nav a {
  font-family: 'Inter', sans-serif;
  font-size: 15px;
  font-weight: 400;
  color: #fff;
  text-decoration: none;
  transition: opacity 0.2s ease;
}

.site-nav a:hover {
  opacity: 0.5;
}

.site-header.hidden {
  transform: translateY(-100%);
}

.site-header.has-bg {
  mix-blend-mode: normal;
  background: rgba(245, 245, 245, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.site-header.has-bg .logo {
  filter: none;
}

.site-header.has-bg .site-nav a {
  color: #2D2B2A;
}

.logo-link {
  display: block;
  line-height: 0;
}

.logo {
  width: 28px;
  height: auto;
  filter: invert(1);
}

/* ── Cases ── */

.cases {
  padding-top: 140px;
}

.case {
  padding: 0 0 100px;
}

.case-link {
  display: block;
  text-decoration: none;
  color: inherit;
}

/* ── Reveal animation ── */

.reveal {
  opacity: 0;
  transform: translateY(56px) scale(0.94);
  transform-origin: center bottom;
  transition: opacity 1.1s ease, transform 1.1s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.in {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.case-image-wrap {
  position: relative;
  overflow: hidden;
  margin: 0 var(--margin);
  opacity: 0;
  transform: translateY(56px) scale(0.94);
  transform-origin: center bottom;
  transition: opacity 1.1s ease, transform 1.1s cubic-bezier(0.16, 1, 0.3, 1);
}

.case-meta {
  display: flex;
  align-items: baseline;
  padding: 20px var(--margin) 0;
  opacity: 0;
  transform: translateY(56px) scale(0.94);
  transform-origin: center bottom;
  transition: opacity 1.1s ease, transform 1.1s cubic-bezier(0.16, 1, 0.3, 1);
}

.case-image-wrap.in,
.case-meta.in {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* ── Image ── */

.case-image {
  display: block;
  width: 100%;
  height: auto;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.case-link:hover .case-image {
  transform: scale(1.03);
}

.case-video {
  display: block;
  width: 100%;
  height: auto;
}

/* ── Title with animated underline ── */

.case-title {
  font-family: 'Inter Tight', sans-serif;
  font-size: clamp(1rem, 2vw, 1.6rem);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1;
  color: var(--text);
  padding-bottom: 3px;
  background-image: linear-gradient(var(--text), var(--text));
  background-repeat: no-repeat;
  background-position: left bottom;
  background-size: 0% 1.5px;
  transition: background-size 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.case-meta:hover .case-title {
  background-size: 100% 1.5px;
}

/* ── Footer ── */

.site-footer {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 120px var(--margin) 48px;
}

.footer-name {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Inter', sans-serif;
  font-size: 15px;
  font-weight: 400;
  color: #2D2B2A;
}

.footer-logo {
  width: 18px;
  height: auto;
  opacity: 1;
}

.footer-linkedin {
  justify-self: center;
  color: var(--text);
  line-height: 0;
  opacity: 1;
  transition: opacity 0.2s ease;
}

.footer-linkedin:hover {
  opacity: 0.4;
}

.footer-hello {
  font-family: 'Inter', sans-serif;
  font-size: 15px;
  font-weight: 400;
  color: var(--text);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: opacity 0.2s ease;
  justify-self: end;
}

.footer-hello:hover {
  opacity: 0.5;
}

/* ── Mobile ── */

@media (max-width: 680px) {

  :root { --margin: 20px; }

  /* Case titles below images */
  .case-title {
    font-size: clamp(1rem, 5vw, 1.4rem);
  }

  /* Footer — stack vertically */
  .site-footer {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    padding: 60px 20px 40px;
  }

  .footer-hello {
    justify-self: unset;
  }

}