/* =========================================================================
   Kvrix — Motion Design Portfolio
   Plain CSS. Layout: fixed left sidebar + scrolling content (desktop/tablet),
   collapsing to a hamburger + full-screen nav overlay on phones.
   ========================================================================= */

:root {
  --ink:        #141414;   /* active text / headings */
  --gray:       #9a9a9a;   /* inactive nav + body copy */
  --gray-soft:  #b9b9b9;   /* placeholders, lighter labels */
  --line:       #e6e6e6;   /* hairlines, input borders */
  --bg:         #ffffff;
  --btn:        #2b2b2b;
  --sidebar-w:  260px;
  --pad:        48px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Poppins", -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

/* ---------- App shell --------------------------------------------------- */
.app { min-height: 100vh; }

/* ---------- Mobile top bar (hidden on desktop) -------------------------- */
.topbar {
  display: none;
  position: sticky;
  top: 0;
  z-index: 30;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}
.topbar .logo-sm img { width: 40px; height: auto; }

.menu-toggle, .menu-close {
  border: 0;
  background: none;
  cursor: pointer;
  padding: 6px;
  color: var(--ink);
}
.menu-toggle .bar {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--ink);
  margin: 6px 0;
}
.menu-close {
  display: none;
  position: absolute;
  top: 22px;
  right: 24px;
  font-size: 30px;
  line-height: 1;
}

/* ---------- Sidebar ----------------------------------------------------- */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-w);
  height: 100vh;
  padding: var(--pad);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  z-index: 40;
}
.sidebar .logo { display: block; margin-bottom: 44px; }
.sidebar .logo img { width: 66px; height: auto; }

.nav-primary a,
.projects-label {
  display: block;
  font-size: 0.98rem;
  color: var(--gray);
  padding: 4px 0;
  transition: color 0.15s ease;
}
.nav-primary a:hover { color: var(--ink); }

.projects-label {
  margin-top: 30px;
  margin-bottom: 6px;
  text-transform: uppercase;
  font-weight: 600;
}

.nav-projects {
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-projects a {
  display: block;
  font-size: 0.98rem;
  color: var(--gray);
  padding: 4px 0;
  transition: color 0.15s ease;
}
.nav-projects a:hover { color: var(--ink); }
.nav-projects a.is-active { color: var(--ink); }

/* Active states driven by body[data-page] */
body[data-page="everyday"] .nav-everyday,
body[data-page="showreel"] .nav-showreel,
body[data-page="about"]    .nav-about,
body[data-page="contact"]  .nav-contact { color: var(--ink); }
body[data-page="home"]     .projects-label,
body[data-page="project"]  .projects-label { color: var(--ink); font-weight: 600; }

.social {
  margin-top: auto;
  padding-top: 40px;
  display: flex;
  gap: 18px;
}
.social a {
  color: var(--gray);
  transition: color 0.15s ease;
}
.social a:hover { color: var(--ink); }
.social svg { width: 22px; height: 22px; display: block; }

/* ---------- Content area ------------------------------------------------ */
.content {
  margin-left: var(--sidebar-w);
  padding: var(--pad) 64px 80px;
  min-height: 100vh;
}

.page-title {
  font-size: clamp(2.6rem, 5vw, 4.4rem);
  font-weight: 600;
  text-align: center;
  margin: 12px 0 56px;
  letter-spacing: -0.01em;
}
.page-title + .page-subtitle { margin-top: -44px; }
.page-subtitle {
  text-align: center;
  color: var(--gray);
  font-size: 1.05rem;
  margin: 0 0 52px;
}

/* ---------- Everyday Art gallery ---------------------------------------- */
.everyday-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 6px;
}
.everyday-item {
  display: block;
  overflow: hidden;
  background: #4a4a4a;
  aspect-ratio: 3 / 4;
  cursor: pointer;
}
.everyday-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease, opacity 0.3s ease;
}
.everyday-item:hover img { transform: scale(1.04); }

/* ---------- Lightbox (black overlay video gallery) --------------------- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
  background: rgba(0, 0, 0, 0.7);
}
.lightbox.is-open {
  display: flex;
  align-items: center;
  justify-content: center;
}
.lb-inner {
  width: 100%;
  max-width: 560px;
  padding: 24px;
  text-align: center;
}
.lb-media { display: flex; justify-content: center; }
.lb-title {
  color: #fff;
  font-weight: 500;
  font-size: 1.9rem;
  margin: 26px 0 6px;
}
.lb-date { color: var(--gray); font-size: 0.95rem; margin: 0; }
.lb-link {
  display: inline-block;
  margin-top: 16px;
  color: var(--gray);
  font-size: 0.9rem;
  border-bottom: 1px solid currentColor;
}
.lb-link:hover { color: #fff; }
.lb-close, .lb-prev, .lb-next {
  position: absolute;
  background: none;
  border: 0;
  color: #fff;
  cursor: pointer;
  opacity: 0.8;
  transition: opacity 0.15s ease;
}
.lb-close:hover, .lb-prev:hover, .lb-next:hover { opacity: 1; }
.lb-close { top: 22px; right: 26px; font-size: 30px; line-height: 1; }
.lb-prev, .lb-next { top: 50%; transform: translateY(-50%); font-size: 30px; line-height: 1; padding: 16px; }
.lb-prev { left: 12px; }
.lb-next { right: 12px; }
.lb-placeholder img { max-width: 300px; width: 60%; border-radius: 2px; }
.lb-placeholder p { color: var(--gray); font-size: 0.95rem; margin-top: 18px; }
.lb-placeholder code { color: #cfcfcf; }

/* ---------- Homepage grid ----------------------------------------------- */
.project-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px 36px;
}
.grid-item { display: block; }
.grid-thumb {
  display: block;
  overflow: hidden;
  background: #f2f2f2;
  aspect-ratio: 4 / 3;
}
.grid-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease, opacity 0.3s ease;
}
.grid-item:hover .grid-thumb img { transform: scale(1.04); }
.grid-name {
  display: block;
  text-align: center;
  margin-top: 16px;
  font-size: 1.05rem;
  color: var(--ink);
}

/* ---------- Back to top ------------------------------------------------- */
.back-to-top {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 72px;
  color: var(--gray);
  font-size: 0.95rem;
  transition: color 0.15s ease;
}
.back-to-top:hover { color: var(--ink); }
.back-to-top svg { width: 14px; height: 14px; }

/* ---------- Centered text pages (About / Contact) ----------------------- */
.prose {
  max-width: 780px;
  margin: 0 auto;
  text-align: center;
}
.prose p {
  font-size: 1.18rem;
  line-height: 1.65;
  color: var(--gray);
  margin: 0 0 26px;
}

/* ---------- Project detail ---------------------------------------------- */
.project-intro {
  max-width: 680px;
  margin: 0 auto 48px;
  text-align: center;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--gray);
}
.project-images { max-width: 900px; margin: 0 auto; }

/* About-page image: same width as project images, on a clean background */
.about-media { margin-top: 44px; }
.about-media img { background: none; }
.project-images img {
  width: 100%;
  margin-bottom: 28px;
  background: #f2f2f2;
}

/* Responsive 16:9 YouTube embed shown at the top of a project */
.project-video {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  margin-bottom: 28px;
  background: #000;
}
.project-video iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}
.project-video-error {
  margin-bottom: 28px;
  padding: 16px;
  text-align: center;
  color: #c0392b;
  background: #faf0ef;
  font-size: 0.95rem;
}

/* ---------- Contact ----------------------------------------------------- */
.contact-block {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}
.contact-block p { color: var(--gray); font-size: 1.1rem; line-height: 1.6; }
.contact-intro { margin-bottom: 26px; }
.contact-address { margin: 0 0 22px; }
.contact-phone { margin: 0; }
.contact-divider {
  width: 28px;
  border: 0;
  border-top: 1px solid var(--gray-soft);
  margin: 34px auto;
}

.contact-form {
  max-width: 760px;
  margin: 56px auto 0;
  text-align: left;
}
.contact-form label {
  display: block;
  font-size: 0.95rem;
  margin: 24px 0 8px;
  color: var(--ink);
}
.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 14px 16px;
  font-family: inherit;
  font-size: 1rem;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 2px;
  background: #fff;
}
.contact-form input::placeholder,
.contact-form textarea::placeholder { color: var(--gray-soft); }
.contact-form input:focus,
.contact-form textarea:focus { outline: none; border-color: var(--ink); }
.contact-form textarea { min-height: 150px; resize: vertical; }
.contact-form button {
  margin-top: 28px;
  padding: 13px 26px;
  font-family: inherit;
  font-size: 1rem;
  color: #fff;
  background: var(--btn);
  border: 0;
  border-radius: 2px;
  cursor: pointer;
  transition: opacity 0.15s ease;
}
.contact-form button:hover { opacity: 0.85; }
.form-note { margin-top: 16px; color: var(--ink); font-size: 0.95rem; }
.form-note.is-error { color: #c0392b; }

/* Honeypot field — visually hidden, kept in the DOM for bots */
.contact-form input.hp-field {
  position: absolute;
  left: -9999px;
  top: 0;
  width: 1px;
  height: 1px;
  padding: 0;
  border: 0;
  opacity: 0;
  pointer-events: none;
}

/* =========================================================================
   TABLET  (<= 1024px) — sidebar stays, everything tightens
   ========================================================================= */
@media (max-width: 1024px) {
  :root { --sidebar-w: 210px; --pad: 36px; }
  .content { padding: 36px 44px 72px; }
  .project-grid { gap: 32px 26px; }
  .everyday-grid { grid-template-columns: repeat(4, 1fr); }
  .sidebar .logo img { width: 46px; }
}

/* =========================================================================
   PHONE  (<= 720px) — hamburger + full-screen nav overlay, single column
   ========================================================================= */
@media (max-width: 720px) {
  .topbar { display: flex; }

  .content {
    margin-left: 0;
    padding: 32px 22px 64px;
  }

  /* Sidebar becomes a full-screen overlay, hidden until toggled */
  .sidebar {
    width: 100%;
    height: 100%;
    padding: 80px 24px 40px;
    align-items: center;
    justify-content: flex-start; /* top-aligned + scrollable so tall menus aren't cropped */
    text-align: center;
    -webkit-overflow-scrolling: touch;
    transform: translateX(100%);
    transition: transform 0.32s ease;
  }
  .sidebar.is-open { transform: translateX(0); }
  body.nav-open { overflow: hidden; }

  .sidebar .logo { display: none; }   /* logo lives in the top bar on mobile */
  .menu-close { display: block; }

  .nav-primary a,
  .projects-label,
  .nav-projects a {
    font-size: 1.25rem;
    padding: 12px 0;
    color: var(--gray);
  }
  .projects-label { margin-top: 18px; font-weight: 600; }
  .nav-projects { width: 100%; }

  .social {
    margin-top: 30px;
    padding-top: 24px;
    justify-content: center;
  }

  .page-title { font-size: clamp(2.1rem, 9vw, 2.8rem); margin: 6px 0 36px; }
  .page-title + .page-subtitle { margin-top: -28px; }
  .page-subtitle { margin-bottom: 32px; }
  .project-grid { grid-template-columns: 1fr; gap: 28px; }
  .grid-thumb { aspect-ratio: 16 / 11; }
  .everyday-grid { grid-template-columns: repeat(2, 1fr); }
  .prose p { font-size: 1.05rem; }
  .contact-form { margin-top: 40px; }
  .lb-prev { left: 0; } .lb-next { right: 0; }
}