/* ============================================
   PORTFOLIO — JAPANESE MINIMAL LUXURY
   Custom properties & base resets
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;1,300;1,400&family=Zen+Kaku+Gothic+New:wght@300;400;500&family=Noto+Serif+JP:wght@200;300;400&display=swap');

:root {
  --black: #0a0a0a;
  --white: #f5f3ef;
  --gray-100: #e8e6e1;
  --gray-300: #c4c0b8;
  --gray-500: #888480;
  --gray-700: #444240;
  --accent: #c8a97e;
  --accent-light: #e8d5b8;
  --font-display: 'Cormorant Garamond', serif;
  --font-body: 'Zen Kaku Gothic New', sans-serif;
  --font-jp: 'Noto Serif JP', serif;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-inout: cubic-bezier(0.76, 0, 0.24, 1);
  --transition: 0.8s var(--ease-out);
}

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

html {
  scroll-behavior: auto; /* GSAP handles smooth scroll */
  font-size: 16px;
  overflow-x: hidden;
}

body {
  background-color: var(--black);
  color: var(--white);
  font-family: var(--font-body);
  font-weight: 300;
  letter-spacing: 0.02em;
  overflow-x: hidden;
  cursor: none;
}

/* ============================================
   CUSTOM CURSOR
   ============================================ */
#cursor {
  position: fixed;
  width: 10px;
  height: 10px;
  background: var(--white);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: width 0.3s var(--ease-out), height 0.3s var(--ease-out), background 0.3s, opacity 0.3s;
  mix-blend-mode: difference;
}

#cursor-follower {
  position: fixed;
  width: 36px;
  height: 36px;
  border: 1px solid rgba(245, 243, 239, 0.4);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9998;
  transform: translate(-50%, -50%);
  transition: width 0.5s var(--ease-out), height 0.5s var(--ease-out), border-color 0.3s;
  mix-blend-mode: difference;
}

#cursor.cursor-hover {
  width: 6px;
  height: 6px;
  background: var(--accent);
}

#cursor-follower.cursor-hover {
  width: 56px;
  height: 56px;
  border-color: rgba(200, 169, 126, 0.6);
}

#cursor-text {
  position: fixed;
  pointer-events: none;
  z-index: 9997;
  font-family: var(--font-body);
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--white);
  opacity: 0;
  transform: translate(-50%, -50%);
  white-space: nowrap;
  transition: opacity 0.3s;
  mix-blend-mode: difference;
}

/* ============================================
   PAGE LOADER
   ============================================ */
#page-loader {
  position: fixed;
  inset: 0;
  background: var(--black);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
}

.loader-logo {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 4rem);
  font-weight: 300;
  letter-spacing: 0.3em;
  color: var(--white);
  overflow: hidden;
}

.loader-logo span {
  display: inline-block;
  transform: translateY(100%);
}

.loader-bar-wrap {
  width: 200px;
  height: 1px;
  background: var(--gray-700);
  margin-top: 2rem;
  overflow: hidden;
}

.loader-bar {
  height: 100%;
  background: var(--accent);
  width: 0%;
  transition: width 0.05s linear;
}

.loader-count {
  font-family: var(--font-body);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--gray-500);
  margin-top: 0.75rem;
}

/* ============================================
   NAVIGATION
   ============================================ */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 2rem 3rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  mix-blend-mode: difference;
  pointer-events: none;
}

nav.nav-solid {
  mix-blend-mode: normal;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 400;
  letter-spacing: 0.25em;
  color: var(--white);
  text-decoration: none;
  pointer-events: all;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  gap: 3rem;
  list-style: none;
  pointer-events: all;
}

.nav-links a {
  font-family: var(--font-body);
  font-size: 18px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--white);
  text-decoration: none;
  position: relative;
  opacity: 0.7;
  transition: opacity 0.3s;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--white);
  transition: width 0.4s var(--ease-out);
}

.nav-links a:hover,
.nav-links a.active {
  opacity: 1;
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: none;
  pointer-events: all;
  padding: 4px;
}

.nav-menu-btn span {
  display: block;
  width: 24px;
  height: 1px;
  background: var(--white);
  transition: transform 0.4s var(--ease-out), opacity 0.3s;
}

.nav-menu-btn.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-menu-btn.open span:nth-child(2) { opacity: 0; }
.nav-menu-btn.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* Mobile menu */
.mobile-menu {
  position: fixed;
  inset: 0;
  background: var(--black);
  z-index: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 3rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.5s var(--ease-out);
}

.mobile-menu.open {
  opacity: 1;
  pointer-events: all;
}

.mobile-menu a {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 8vw, 5rem);
  font-weight: 300;
  letter-spacing: 0.15em;
  color: var(--white);
  text-decoration: none;
  text-transform: uppercase;
  transition: color 0.3s;
}

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

/* ============================================
   SECTION REVEAL SYSTEM
   ============================================ */
.reveal-up {
  opacity: 0;
  transform: translateY(60px);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-60px);
}

.reveal-right {
  opacity: 0;
  transform: translateX(60px);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.92);
}

/* Text mask animation */
.text-mask {
  overflow: hidden;
  display: block;
}
.text-mask-hero {
  text-align: center;
  overflow: hidden;
  display: block;
}

.text-mask-inner {
  display: block;
  transform: translateY(105%);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 6rem 3rem 4rem;
  position: relative;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.25;
  transform: scale(1.1);
}

.hero-noise {
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  opacity: 0.6;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
}

.hero-eyebrow {
  font-family: var(--font-body);
  font-size: 18px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 2rem;
  text-align: center;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 9vw, 9rem);
  font-weight: 300;
  line-height: 0.95;
  letter-spacing: -0.02em;
  color: var(--white);
  margin-bottom: 3rem;
}

.hero-title em {
  font-style: italic;
  color: var(--gray-300);
}

.hero-sub {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 2rem;
}

.hero-desc {
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.8;
  color: var(--gray-300);
  max-width: 520px;
  letter-spacing: 0.05em;
  text-align: center;
}

.hero-jp {
  font-family: var(--font-jp);
  font-size: 12px;
  color: var(--gray-500);
  letter-spacing: 0.3em;
  writing-mode: vertical-rl;
  text-orientation: mixed;
}

.hero-scroll-hint {
  position: absolute;
  bottom: 3rem;
  right: 3rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  z-index: 1;
}

.hero-scroll-hint span {
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gray-500);
  writing-mode: vertical-rl;
}

.scroll-line {
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, var(--gray-500), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ============================================
   MARQUEE
   ============================================ */
.marquee-section {
  overflow: hidden;
  padding: 2rem 0;
  border-top: 1px solid var(--gray-700);
  border-bottom: 1px solid var(--gray-700);
}

.marquee-track {
  display: flex;
  gap: 4rem;
  animation: marqueeScroll 20s linear infinite;
  width: max-content;
}

.marquee-item {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2.5vw, 2rem);
  font-weight: 300;
  letter-spacing: 0.15em;
  color: var(--gray-500);
  white-space: nowrap;
  text-transform: uppercase;
  flex-shrink: 0;
}

.marquee-dot {
  color: var(--accent);
  margin: 0 0.5rem;
}

@keyframes marqueeScroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ============================================
   ABOUT / SPLIT SECTION
   ============================================ */
.split-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 100vh;
}

.split-left {
  position: relative;
  overflow: hidden;
}

.split-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.05);
  transition: transform 1.2s var(--ease-out);
}

.split-left:hover .split-img {
  transform: scale(1.0);
}

.split-right {
  padding: 8rem 5rem 8rem 6rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.section-label {
  font-family: var(--font-body);
  font-size: 15px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 3rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.section-label::before {
  content: '';
  display: block;
  width: 40px;
  height: 1px;
  background: var(--accent);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 4vw, 4rem);
  font-weight: 300;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--white);
  margin-bottom: 2.5rem;
}

.section-body {
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 2;
  color: var(--gray-300);
  max-width: 440px;
  margin-bottom: 3rem;
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  font-family: var(--font-body);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--white);
  text-decoration: none;
  border: 1px solid var(--gray-700);
  padding: 1rem 2rem;
  position: relative;
  overflow: hidden;
  transition: color 0.4s, border-color 0.4s;
}

.btn-outline::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--white);
  transform: translateX(-101%);
  transition: transform 0.5s var(--ease-out);
}

.btn-outline:hover {
  color: var(--black);
  border-color: var(--white);
}

.btn-outline:hover::before {
  transform: translateX(0);
}

.btn-outline span { position: relative; z-index: 1; }
.btn-outline svg { position: relative; z-index: 1; transition: transform 0.3s; }
.btn-outline:hover svg { transform: translateX(4px); }

/* ============================================
   HORIZONTAL SCROLL SECTION
   ============================================ */
.h-scroll-wrapper {
  position: relative;
  overflow: hidden;
}

.h-scroll-container {
  display: flex;
  gap: 2px;
  width: max-content;
}

.h-scroll-card {
  width: 480px;
  height: 640px;
  flex-shrink: 0;
  position: relative;
  overflow: hidden;
}

.h-scroll-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--ease-out);
}

.h-scroll-card:hover img {
  transform: scale(1.05);
}

.h-scroll-card-info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 2rem;
  background: linear-gradient(to top, rgba(10,10,10,0.9) 0%, transparent 100%);
  transform: translateY(100%);
  transition: transform 0.5s var(--ease-out);
}

.h-scroll-card:hover .h-scroll-card-info {
  transform: translateY(0);
}

/* ============================================
   WORK GRID
   ============================================ */
.work-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
}

.work-item {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/3;
  background: var(--gray-700);
  cursor: none;
}

.work-item:first-child {
  grid-column: 1 / -1;
  aspect-ratio: 16/7;
}

.work-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.9s var(--ease-out);
  transform: scale(1.03);
}

.work-item:hover .work-img {
  transform: scale(1.0);
}

.work-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10,10,10,0.7);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 3rem;
  opacity: 0;
  transition: opacity 0.5s var(--ease-out);
}

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

.work-num {
  font-family: var(--font-body);
  font-size: 10px;
  letter-spacing: 0.3em;
  color: var(--accent);
  margin-bottom: 1rem;
}

.work-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.8rem);
  font-weight: 300;
  color: var(--white);
  margin-bottom: 0.75rem;
  line-height: 1.1;
}

.work-cat {
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--gray-300);
  text-transform: uppercase;
}

.work-arrow {
  position: absolute;
  top: 2.5rem;
  right: 2.5rem;
  width: 48px;
  height: 48px;
  border: 1px solid rgba(245,243,239,0.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: scale(0.7);
  transition: opacity 0.4s, transform 0.4s var(--ease-out);
}

.work-item:hover .work-arrow {
  opacity: 1;
  transform: scale(1);
}

/* ============================================
   GALLERY / MASONRY
   ============================================ */
.gallery-grid {
  columns: 3;
  column-gap: 6px;
  padding: 6px;
}

.gallery-item {
  break-inside: avoid;
  margin-bottom: 6px;
  position: relative;
  overflow: hidden;
  cursor: none;
}

.gallery-img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.8s var(--ease-out);
}

.gallery-item:hover .gallery-img {
  transform: scale(1.04);
}

.gallery-item-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10,10,10,0.5);
  opacity: 0;
  transition: opacity 0.4s;
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.gallery-zoom-icon {
  width: 48px;
  height: 48px;
  border: 1px solid rgba(245,243,239,0.6);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transform: scale(0.5);
  transition: transform 0.4s var(--ease-out);
}

.gallery-item:hover .gallery-zoom-icon {
  transform: scale(1);
}

/* ============================================
   LIGHTBOX
   ============================================ */
#lightbox {
  position: fixed;
  inset: 0;
  background: rgba(10,10,10,0.96);
  z-index: 5000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.5s var(--ease-out);
}

#lightbox.active {
  opacity: 1;
  pointer-events: all;
}

.lightbox-img {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
  transform: scale(0.9);
  transition: transform 0.5s var(--ease-out);
}

#lightbox.active .lightbox-img {
  transform: scale(1);
}

.lightbox-close {
  position: absolute;
  top: 2rem;
  right: 2rem;
  width: 48px;
  height: 48px;
  border: 1px solid var(--gray-700);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  cursor: none;
  color: var(--white);
  transition: border-color 0.3s, transform 0.3s;
}

.lightbox-close:hover {
  border-color: var(--white);
  transform: rotate(90deg);
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 56px;
  height: 56px;
  border: 1px solid var(--gray-700);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  cursor: none;
  color: var(--white);
  transition: border-color 0.3s;
}

.lightbox-nav:hover { border-color: var(--white); }
.lightbox-prev { left: 2rem; }
.lightbox-next { right: 2rem; }

.lightbox-count {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--gray-500);
}

/* ============================================
   FOOTER
   ============================================ */
footer {
  border-top: 1px solid var(--gray-700);
  padding: 6rem 3rem 4rem;
}

.footer-inner {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 4rem;
  margin-bottom: 6rem;
}

.footer-logo-section .footer-logo {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 300;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 1.5rem;
  display: block;
}

.footer-tagline {
  font-size: 12px;
  color: var(--gray-500);
  line-height: 1.8;
  letter-spacing: 0.05em;
}

.footer-nav-title {
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 2rem;
}

.footer-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-nav-list a {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 300;
  color: var(--gray-300);
  text-decoration: none;
  letter-spacing: 0.05em;
  transition: color 0.3s;
}

.footer-nav-list a:hover { color: var(--white); }

.footer-bottom {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 3rem;
  border-top: 1px solid var(--gray-700);
}

.footer-copy {
  font-size: 11px;
  color: var(--gray-500);
  letter-spacing: 0.1em;
}

.footer-socials {
  display: flex;
  gap: 2rem;
}

.footer-socials a {
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gray-500);
  text-decoration: none;
  transition: color 0.3s;
}

.footer-socials a:hover { color: var(--white); }

/* ============================================
   PAGE HEADER (Work & Gallery)
   ============================================ */
.page-header {
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 12rem 3rem 5rem;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--gray-700);
}

.page-header-bg {
  position: absolute;
  inset: 0;
}

.page-header-title {
  font-family: var(--font-display);
  font-size: clamp(4rem, 10vw, 10rem);
  font-weight: 300;
  line-height: 0.9;
  letter-spacing: -0.02em;
  color: var(--white);
  position: relative;
}

.page-header-sub {
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--gray-500);
  text-transform: uppercase;
  margin-top: 2rem;
  position: relative;
}

/* ============================================
   STATS / NUMBERS SECTION
   ============================================ */
.stats-section {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

.stat-item {
  padding: 5rem 3rem;
  border-right: 1px solid var(--gray-700);
  border-bottom: 1px solid var(--gray-700);
}

.stat-item:last-child { border-right: none; }

.stat-num {
  font-family: var(--font-display);
  font-size: clamp(3rem, 5vw, 5rem);
  font-weight: 300;
  color: var(--white);
  line-height: 1;
  margin-bottom: 1rem;
}

.stat-num sup {
  font-size: 0.4em;
  vertical-align: super;
  color: var(--accent);
}

.stat-label {
  font-size: 18px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gray-500);
}

/* ============================================
   PROJECT CARD (Work page)
   ============================================ */
.project-list {
  max-width: 1400px;
  margin: 0 auto;
  padding: 4rem 3rem;
}

.project-item {
  display: grid;
  grid-template-columns: 80px 1fr 400px;
  gap: 3rem;
  align-items: center;
  padding: 3rem 0;
  border-bottom: 1px solid var(--gray-700);
  cursor: none;
  transition: padding-left 0.4s var(--ease-out);
  position: relative;
  text-decoration: none;
}

.project-item:hover {
  padding-left: 1rem;
}

.project-item-num {
  font-family: var(--font-body);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--gray-500);
}

.project-item-info .project-item-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  font-weight: 300;
  color: var(--white);
  line-height: 1.1;
  margin-bottom: 0.5rem;
  transition: color 0.3s;
}

.project-item:hover .project-item-title {
  color: var(--accent-light);
}

.project-item-cat {
  font-size: 10px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gray-500);
}

.project-item-preview {
  width: 400px;
  height: 240px;
  overflow: hidden;
  position: relative;
}

.project-item-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.05);
  transition: transform 0.8s var(--ease-out);
  filter: grayscale(40%);
  transition: transform 0.8s var(--ease-out), filter 0.6s;
}

.project-item:hover .project-item-preview img {
  transform: scale(1.0);
  filter: grayscale(0%);
}

/* ============================================
   FILTER TABS
   ============================================ */
.filter-tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--gray-700);
  padding: 0 3rem;
  max-width: 1400px;
  margin: 0 auto;
}

.filter-tab {
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gray-500);
  padding: 1.5rem 2rem 1.5rem 0;
  margin-right: 2rem;
  cursor: none;
  transition: color 0.3s;
  border-bottom: 1px solid transparent;
  position: relative;
  bottom: -1px;
  background: none;
  border: none;
}

.filter-tab.active,
.filter-tab:hover {
  color: var(--white);
  border-bottom-color: var(--white);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .split-section { grid-template-columns: 1fr; }
  .split-right { padding: 5rem 3rem; }
  .stats-section { grid-template-columns: repeat(2, 1fr); }
  .stats-section .stat-item:nth-child(2) { border-right: none; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .project-item { grid-template-columns: 60px 1fr; }
  .project-item-preview { display: none; }
}

@media (max-width: 768px) {
  nav { padding: 1.5rem 1.5rem; }
  .nav-links { display: none; }
  .nav-menu-btn { display: flex; }
  
  .hero { padding: 6rem 1.5rem 3rem; }
  .hero-jp { display: none; }
  .hero-scroll-hint { display: none; }
  
  .work-grid { grid-template-columns: 1fr; }
  .work-item:first-child { aspect-ratio: 4/3; }
  
  .gallery-grid { columns: 2; }
  
  .footer-inner { grid-template-columns: 1fr; gap: 3rem; }
  .footer-bottom { flex-direction: column; gap: 1.5rem; text-align: center; }
  
  .page-header { padding: 9rem 1.5rem 3rem; }
  .project-item { grid-template-columns: 40px 1fr; gap: 1.5rem; }
  
  .lightbox-nav { display: none; }
  
  .h-scroll-card { width: 320px; height: 440px; }
  
  .stats-section { grid-template-columns: repeat(2, 1fr); }
  
  .filter-tabs { padding: 0 1.5rem; overflow-x: auto; }
  .project-list { padding: 2rem 1.5rem; }
}

@media (max-width: 480px) {
  .gallery-grid { columns: 1; }
}

/* ============================================
   UTILITY
   ============================================ */
.overflow-hidden { overflow: hidden; }
.relative { position: relative; }

.section-pad {
  padding: 8rem 3rem;
  max-width: 1400px;
  margin: 0 auto;
}

.divider {
  height: 1px;
  background: var(--gray-700);
  margin: 0 3rem;
}

/* Image placeholder (gradient) for demo */
.img-placeholder {
  background: linear-gradient(135deg, var(--gray-700) 0%, var(--gray-500) 100%);
  display: block;
}

.accent-text { color: var(--accent); }

/* Page transition overlay */
#page-transition {
  position: fixed;
  inset: 0;
  background: var(--black);
  z-index: 8000;
  transform: translateY(100%);
  pointer-events: none;
}