* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  font-family: "Lato", sans-serif;
  font-weight: 300;
  font-style: normal;
  background: #ffffff;
}

/* ===== NAVBAR ===== */
nav, .navbar {
  transition: background 0.3s ease, box-shadow 0.3s ease;
  background: transparent;
}

nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  z-index: 1000;
}

.logo {
  font-family: "Badeen Display", system-ui;
  font-size: 2.5rem;
  font-weight: 400;
  font-style: normal;
  color: #000;
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  text-decoration: none;
  color: #000;
  font-size: 0.75rem;
  font-family: "Inter Tight", sans-serif;
  font-weight: 300;
  letter-spacing: 0.2em;
}

.burger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 4px;
}

.burger div {
  width: 25px;
  height: 3px;
  background: black;
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 60px;
    right: 2rem;
    background: rgba(255,255,255,0.97);
    flex-direction: column;
    padding: 1rem;
    border-radius: 8px;
    box-shadow: 0 16px 40px rgba(0,0,0,0.8);
  }

  .nav-links.active {
    display: flex;
  }

  #nav-links.active a {
    color: #111 !important;
    display: block;
    padding: 10px 0;
    letter-spacing: 0.2em;
    font-size: 13px;
  }

  #nav-links li {
    list-style: none;
  }

  .burger {
    display: flex;
  }
}

/* ===== HERO ===== */
#hero {
  position: relative;
  overflow: hidden;
  min-height: 100vh;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: 25px;
}

#hero-video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #000;
  opacity: 0.25;
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 720px;
  padding: 2rem;
}

.hero-tagline {
  font-family: "Inter Tight", sans-serif;
  font-weight: 300;
  font-size: 13px;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.7);
  margin: 0 0 1.75rem;
}

#hero .btn-hero {
  display: inline-block !important;
  font-family: "Inter Tight", sans-serif !important;
  font-weight: 400 !important;
  font-size: 11px !important;
  letter-spacing: 0.3em !important;
  text-transform: uppercase !important;
  text-decoration: none !important;
  color: #fff !important;
  border: 1px solid rgba(255,255,255,0.35) !important;
  padding: 12px 32px !important;
  border-radius: 2px !important;
  background: transparent !important;
  transition: background 0.3s ease, border-color 0.3s ease !important;
  box-shadow: none !important;
}

#hero .btn-hero:hover {
  background: rgba(255,255,255,0.1) !important;
  border-color: rgba(255,255,255,0.6) !important;
  color: #fff !important;
}

/* ===== PORTFOLIO FILTERS ===== */
.portfolio-filters {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
  padding: 2.5rem 2rem 1.5rem;
}

.filter-btn {
  background: transparent;
  border: 1px solid transparent;
  color: #000;
  font-family: "Inter Tight", sans-serif;
  font-weight: 300;
  font-size: 11px;
  letter-spacing: 0.3em;
  padding: 0.45rem 1.1rem;
  cursor: pointer;
  transition: border-color 0.2s ease;
}

.filter-btn.active {
  border: 1px solid #000;
}

.masonry-item.filtered-out {
  opacity: 0.2;
  transform: scale(0.97);
}

/* ===== MASONRY GALLERY ===== */
.masonry {
  padding: 2rem 2rem 2rem;
  column-count: 3;
  column-gap: 1rem;
}

.masonry-item {
  break-inside: avoid;
  margin-bottom: 1rem;
  overflow: visible;
  border-radius: 10px;
  box-shadow: 0 12px 30px rgba(0,0,0,0.18);
  transition: opacity 0.35s ease, transform 0.35s ease;
}

.item-inner {
  position: relative;
  overflow: hidden;
  border-radius: 10px;
}

.masonry-item a {
  display: block;
}

.gallery-img {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
  transition: transform 0.3s ease;
}

.gallery-img:hover {
  transform: scale(1.03);
}

.item-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.55);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.item-inner:hover .item-overlay {
  opacity: 1;
}

.item-title {
  font-family: "Inter Tight", sans-serif;
  font-weight: 300;
  font-size: 13px;
  letter-spacing: 0.15em;
  color: #fff;
  text-align: center;
  padding: 0 1rem;
}

.item-category {
  font-family: "Inter Tight", sans-serif;
  font-weight: 300;
  font-size: 10px;
  letter-spacing: 0.3em;
  color: rgba(255,255,255,0.65);
  text-transform: uppercase;
}

.masonry-item.tall .gallery-img { height: 400px; }
.masonry-item.wide .gallery-img { height: 250px; }
.masonry-item.big .gallery-img { height: 500px; }

@media (max-width: 992px) { .masonry { column-count: 2; } }
@media (max-width: 576px) { .masonry { column-count: 1; } }

/* ===== CHIYO-CHAN ===== */
#chiyo-chan {
  background: #0a0a0f;
  padding: 6rem 2rem;
  position: relative;
}

.chiyo-inner {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3.5rem;
  position: relative;
  z-index: 1;
}

.chiyo-header {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.chiyo-kanji {
  font-family: 'Inter Tight', sans-serif;
  font-weight: 300;
  font-size: 20px;
  letter-spacing: 0.4em;
  color: rgba(255,79,163,0.5);
}

.chiyo-title {
  font-family: 'Dosis', sans-serif;
  font-weight: 200;
  font-size: 52px;
  letter-spacing: 0.3em;
  color: #fff;
  margin: 0;
}

.chiyo-tagline {
  font-family: 'Inter Tight', sans-serif;
  font-weight: 300;
  font-size: 18px;
  letter-spacing: 0.2em;
  color: rgba(255,255,255,0.45);
  margin: 0;
  font-style: italic;
}

.chiyo-sub {
  font-family: 'Inter Tight', sans-serif;
  font-weight: 300;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.3);
  margin: 0;
  line-height: 1.8;
  text-align: center;
}

.chiyo-episodes {
  display: flex;
  gap: 32px;
  justify-content: center;
  flex-wrap: wrap;
  width: 100%;
}

.chiyo-ep {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  width: 280px;
}

.chiyo-thumb {
  position: relative;
  display: block;
  width: 100%;
  overflow: hidden;
  border-radius: 4px;
}

.chiyo-thumb img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease, opacity 0.4s ease;
  opacity: 0.7;
}

.chiyo-thumb:hover img { transform: scale(1.04); opacity: 1; }

.chiyo-play {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: rgba(255,255,255,0.85);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.chiyo-thumb:hover .chiyo-play { opacity: 1; }

.ep-label {
  font-family: 'Inter Tight', sans-serif;
  font-weight: 300;
  font-size: 9px;
  letter-spacing: 0.4em;
  color: #FF4FA3;
}

.ep-name {
  font-family: 'Inter Tight', sans-serif;
  font-weight: 300;
  font-size: 11px;
  letter-spacing: 0.15em;
  color: rgba(255,255,255,0.5);
  text-align: center;
}

.chiyo-cta {
  font-family: 'Inter Tight', sans-serif;
  font-weight: 300;
  font-size: 12px;
  color: #FF4FA3;
  letter-spacing: 0.3em;
  text-decoration: none;
  border-bottom: 1px solid rgba(255,79,163,0.3);
  padding-bottom: 2px;
  transition: border-color 0.3s ease;
}

.chiyo-cta:hover { border-color: #FF4FA3; }

/* ===== MJ PREVIEW ===== */
#mj-preview {
  background: #080808;
  padding: 100px 40px;
  text-align: center;
}

.mj-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.mj-label {
  font-family: 'Inter Tight', sans-serif;
  font-weight: 300;
  font-size: 11px;
  color: #FF4FA3;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 12px;
}

.mj-title {
  font-family: 'Dosis', sans-serif;
  font-weight: 200;
  font-size: 42px;
  color: white;
  letter-spacing: 0.2em;
  margin: 0 0 48px;
}

.mj-grid {
  display: flex;
  gap: 16px;
  justify-content: center;
  align-items: flex-start;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.mj-item {
  width: 180px;
  border-radius: 8px;
  overflow: hidden;
}

.mj-item video {
  width: 100%;
  height: 320px;
  object-fit: cover;
  display: block;
}

.mj-cta {
  font-family: 'Inter Tight', sans-serif;
  font-weight: 300;
  font-size: 12px;
  color: #FF4FA3;
  letter-spacing: 0.3em;
  text-decoration: none;
  border-bottom: 1px solid rgba(255,79,163,0.3);
  padding-bottom: 2px;
  transition: border-color 0.3s ease;
}

.mj-cta:hover { border-color: #FF4FA3; }

/* ===== TECH PROJECTS ===== */
#tech-projects {
  background: #080808;
  padding: 100px 40px;
  position: relative;
  overflow: hidden;
}

.tech-inner {
  max-width: 1100px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
  will-change: transform;
}

.tech-label {
  font-family: 'Inter Tight', sans-serif;
  font-weight: 300;
  font-size: 11px;
  color: #FF4FA3;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 12px;
  text-align: center;
}

.tech-title {
  font-family: 'Dosis', sans-serif;
  font-weight: 200;
  font-size: 42px;
  color: white;
  letter-spacing: 0.2em;
  margin: 0 0 60px;
  text-align: center;
}

.tech-grid {
  display: flex;
  flex-direction: column;
  gap: 60px;
}

.tech-card {
  display: flex;
  gap: 48px;
  align-items: flex-start;
}

.tech-video {
  width: 220px;
  flex-shrink: 0;
  border-radius: 8px;
  overflow: hidden;
}

.tech-video video {
  width: 100%;
  height: 320px;
  object-fit: cover;
  display: block;
}

.tech-info { flex: 1; padding-top: 8px; }

.tech-name {
  font-family: 'Dosis', sans-serif;
  font-weight: 300;
  font-size: 28px;
  color: white;
  letter-spacing: 0.1em;
  margin: 0 0 16px;
}

.tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.tech-stack span {
  font-family: 'Inter Tight', sans-serif;
  font-weight: 300;
  font-size: 10px;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.2em;
  border: 1px solid rgba(255,255,255,0.15);
  padding: 4px 10px;
  border-radius: 2px;
}

.tech-desc {
  font-family: 'Inter Tight', sans-serif;
  font-weight: 300;
  font-size: 14px;
  color: rgba(255,255,255,0.5);
  line-height: 1.8;
  margin: 0 0 28px;
}

.tech-links { display: flex; gap: 16px; align-items: center; }

.tech-btn {
  font-family: 'Inter Tight', sans-serif;
  font-weight: 300;
  font-size: 11px;
  letter-spacing: 0.3em;
  color: white;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.35);
  padding: 10px 24px;
  text-decoration: none;
  transition: all 0.3s ease;
}

.tech-btn:hover { border-color: #FF4FA3; color: #FF4FA3; }

.tech-btn-ghost {
  font-family: 'Inter Tight', sans-serif;
  font-weight: 300;
  font-size: 11px;
  letter-spacing: 0.3em;
  color: rgba(255,255,255,0.4);
  text-decoration: none;
  border-bottom: 1px solid rgba(255,255,255,0.2);
  padding-bottom: 2px;
  transition: all 0.3s ease;
}

.tech-btn-ghost:hover { color: #FF4FA3; border-color: #FF4FA3; }

@media (max-width: 768px) {
  #tech-projects { padding: 80px 20px; }
  .tech-card { flex-direction: column; gap: 24px; }
  .tech-video { width: 100%; }
  .tech-video video { height: 220px; }
  .tech-title { font-size: 28px; }
  #mj-preview { padding: 60px 20px; }
  .mj-item { width: 140px; }
  .mj-item video { height: 240px; }
}

#chiyo-chan, #mj-preview, #tech-projects {
  border-top: 1px solid rgba(255, 79, 163, 0.5);
}