/* =========================================
   品作设计 Pinzuo Design — Style
   ========================================= */

/* --- Reset & Base --- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --black: #111;
  --dark: #1a1a1a;
  --gray-dark: #333;
  --gray: #666;
  --gray-light: #999;
  --gray-lighter: #ccc;
  --gray-bg: #f5f5f5;
  --white: #fff;
  --accent: #8a7252;
  --accent-light: #b09a74;
  --font-cn: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-en: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --transition: .35s cubic-bezier(.4,0,.2,1);
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-cn);
  color: var(--gray-dark);
  background: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* --- Navigation --- */
.nav {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
  background: rgba(255,255,255,0);
  backdrop-filter: blur(0px);
  transition: background var(--transition), backdrop-filter var(--transition), box-shadow var(--transition);
}
.nav.scrolled {
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(0,0,0,.06);
}
.nav-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between;
  height: 72px;
}
.nav-logo img { height: 36px; width: auto; }
.nav-links {
  list-style: none; display: flex; gap: 32px;
}
.nav-links a {
  font-size: .85rem; letter-spacing: .05em; color: var(--white);
  transition: color var(--transition); position: relative;
}
.nav.scrolled .nav-links a { color: var(--gray-dark); }
.nav-links a::after {
  content:''; position: absolute; bottom: -4px; left: 0; width: 0; height: 1px;
  background: var(--accent); transition: width var(--transition);
}
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }

.nav-toggle { display: none; flex-direction: column; gap: 5px; }
.nav-toggle span {
  width: 24px; height: 2px; background: var(--white); transition: var(--transition);
}
.nav.scrolled .nav-toggle span { background: var(--gray-dark); }

/* --- Hero --- */
.hero {
  position: relative; height: 100vh; min-height: 600px;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
}
.hero-bg .hero-img {
  width: 100%; height: 100%; object-fit: cover;
  transform: scale(1.05);
  animation: heroZoom 20s ease-in-out infinite alternate;
}
@keyframes heroZoom { from{transform:scale(1.05)} to{transform:scale(1.15)} }
.hero-overlay {
  position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(180deg, rgba(0,0,0,.45) 0%, rgba(0,0,0,.55) 100%);
}
.hero-content {
  position: relative; z-index: 2; text-align: center; color: var(--white);
  padding: 0 24px;
}
.hero-title {
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 300; letter-spacing: .3em; margin-bottom: 12px;
}
.hero-subtitle-en {
  font-family: var(--font-en); font-size: clamp(.9rem, 2vw, 1.1rem);
  letter-spacing: .5em; font-weight: 300; opacity: .8; margin-bottom: 32px;
}
.hero-tagline {
  font-size: clamp(1rem, 2.5vw, 1.35rem);
  font-weight: 300; letter-spacing: .15em; margin-bottom: 12px;
}
.hero-desc {
  font-size: clamp(.85rem, 1.5vw, 1rem);
  font-weight: 300; letter-spacing: .1em; opacity: .7; margin-bottom: 48px;
}
.hero-btn {
  display: inline-block;
  padding: 14px 48px; border: 1px solid rgba(255,255,255,.6);
  color: var(--white); font-size: .85rem; letter-spacing: .15em;
  transition: var(--transition);
}
.hero-btn:hover {
  background: var(--white); color: var(--black);
}
.hero-scroll {
  position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%);
  z-index: 2; text-align: center; color: var(--white); opacity: .6;
}
.hero-scroll span { font-size: .65rem; letter-spacing: .2em; font-family: var(--font-en); }
.hero-scroll-line {
  width: 1px; height: 40px; background: var(--white); margin: 8px auto 0;
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%,100%{opacity:.3;transform:scaleY(.5)} 50%{opacity:1;transform:scaleY(1)}
}

/* --- Sections --- */
.section { padding: 120px 0; }
.section-header { text-align: center; margin-bottom: 64px; }
.section-label {
  display: block; font-family: var(--font-en); font-size: .7rem;
  letter-spacing: .3em; color: var(--gray-light); margin-bottom: 12px;
}
.section-title {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 300; letter-spacing: .15em; color: var(--black);
}

/* --- About --- */
.about { background: var(--white); }
.about-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center;
}
.about-text p { margin-bottom: 20px; color: var(--gray); font-size: .95rem; line-height: 1.9; }
.about-lead {
  font-size: 1.05rem !important; color: var(--gray-dark) !important;
  border-left: 2px solid var(--accent); padding-left: 20px;
}
.about-image img {
  width: 100%; aspect-ratio: 4/3; object-fit: cover;
}

/* --- Advantages --- */
.advantages { background: var(--gray-bg); }
.adv-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 32px; }
.adv-card {
  padding: 48px 32px; background: var(--white);
  transition: transform var(--transition), box-shadow var(--transition);
}
.adv-card:hover { transform: translateY(-6px); box-shadow: 0 20px 60px rgba(0,0,0,.06); }
.adv-num {
  font-family: var(--font-en); font-size: 2.5rem; font-weight: 200;
  color: var(--accent); margin-bottom: 20px; line-height: 1;
}
.adv-card h3 { font-size: 1.1rem; font-weight: 500; margin-bottom: 12px; letter-spacing: .05em; }
.adv-card p { font-size: .85rem; color: var(--gray); line-height: 1.7; }

/* --- Services --- */
.services { background: var(--white); }
.services-intro {
  text-align: center; max-width: 760px; margin: -32px auto 56px;
  font-size: .95rem; color: var(--gray); line-height: 1.8;
}
.services-grid {
  display: grid; grid-template-columns: repeat(5,1fr); gap: 24px;
}
.service-card {
  text-align: center; padding: 40px 20px;
  border: 1px solid var(--gray-bg);
  transition: var(--transition);
}
.service-card:hover {
  border-color: var(--accent);
  box-shadow: 0 12px 40px rgba(0,0,0,.05);
}
.service-icon { margin-bottom: 20px; }
.service-icon img { width: 48px; height: 48px; margin: 0 auto; object-fit: contain; }
.service-card h3 { font-size: 1rem; font-weight: 500; margin-bottom: 4px; }
.service-en { font-family: var(--font-en); font-size: .7rem; color: var(--gray-light); letter-spacing: .1em; margin-bottom: 12px; }
.service-card > p:last-child { font-size: .82rem; color: var(--gray); line-height: 1.6; }

/* --- Process --- */
.process { background: var(--dark); color: var(--white); }
.process .section-label { color: var(--gray-light); }
.process .section-title { color: var(--white); }
.process-timeline {
  display: flex; gap: 0; position: relative;
}
.process-timeline::before {
  content:''; position: absolute; top: 28px; left: 5%; width: 90%; height: 1px;
  background: rgba(255,255,255,.15);
}
.process-step {
  flex: 1; text-align: center; padding: 0 16px; position: relative;
}
.step-num {
  font-family: var(--font-en); font-size: 1.5rem; font-weight: 200;
  color: var(--accent-light); margin-bottom: 24px;
  width: 56px; height: 56px; line-height: 56px;
  border: 1px solid rgba(255,255,255,.2); border-radius: 50%;
  margin: 0 auto 24px; background: var(--dark); position: relative; z-index: 1;
}
.process-step h3 { font-size: .95rem; font-weight: 400; margin-bottom: 8px; letter-spacing: .05em; }
.process-step p { font-size: .8rem; color: var(--gray-light); line-height: 1.6; }

/* --- Portfolio --- */
.portfolio { background: var(--gray-bg); padding-bottom: 100px; }
.filter-bar {
  display: flex; justify-content: center; gap: 12px; margin-bottom: 48px;
  flex-wrap: wrap;
}
.filter-btn {
  padding: 10px 24px; font-size: .82rem; letter-spacing: .05em;
  border: 1px solid var(--gray-lighter); color: var(--gray);
  background: var(--white); transition: var(--transition);
}
.filter-btn:hover, .filter-btn.active {
  background: var(--black); color: var(--white); border-color: var(--black);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
}
.port-card {
  display: block; text-decoration: none; color: inherit;
  position: relative; overflow: hidden; cursor: pointer;
  aspect-ratio: 4/3; background: var(--gray-lighter);
  opacity: 0; transform: translateY(30px);
  animation: cardIn .6s ease forwards;
}
.port-card img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .6s ease;
}
.port-card:hover img { transform: scale(1.08); }
.port-card .port-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(0deg, rgba(0,0,0,.65) 0%, rgba(0,0,0,.1) 40%, transparent 60%);
  opacity: 1; transition: background var(--transition);
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 24px;
}
.port-card:hover .port-overlay {
  background: linear-gradient(0deg, rgba(0,0,0,.8) 0%, rgba(0,0,0,.25) 50%, transparent 70%);
}
.port-overlay h3 { color: var(--white); font-size: .95rem; font-weight: 400; letter-spacing: .05em; }
.port-overlay p {
  color: rgba(255,255,255,.7); font-size: .75rem; margin-top: 4px;
  font-family: var(--font-en); letter-spacing: .08em;
}

@keyframes cardIn {
  to { opacity: 1; transform: translateY(0); }
}

/* stagger cards */
.port-card:nth-child(1){animation-delay:.05s}
.port-card:nth-child(2){animation-delay:.1s}
.port-card:nth-child(3){animation-delay:.15s}
.port-card:nth-child(4){animation-delay:.2s}
.port-card:nth-child(5){animation-delay:.25s}
.port-card:nth-child(6){animation-delay:.3s}
.port-card:nth-child(7){animation-delay:.35s}
.port-card:nth-child(8){animation-delay:.4s}
.port-card:nth-child(9){animation-delay:.45s}
.port-card:nth-child(10){animation-delay:.5s}
.port-card:nth-child(11){animation-delay:.55s}
.port-card:nth-child(12){animation-delay:.6s}
.port-card:nth-child(n+13){animation-delay:.65s}

/* --- Contact --- */
.contact { background: var(--white); }
.contact-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 80px;
}
.contact-item { margin-bottom: 28px; }
.contact-item h3 { font-size: 1.1rem; font-weight: 500; margin-bottom: 4px; }
.contact-label {
  display: block; font-size: .7rem; letter-spacing: .15em;
  color: var(--gray-light); text-transform: uppercase; margin-bottom: 4px;
}
.contact-item p { font-size: .9rem; color: var(--gray); }
.contact-qr { width: 120px; margin-top: 8px; border: 1px solid var(--gray-bg); }

.form-group { margin-bottom: 16px; }
.form-group input, .form-group textarea {
  width: 100%; padding: 14px 0; border: none; border-bottom: 1px solid var(--gray-lighter);
  font-size: .9rem; font-family: var(--font-cn); background: transparent;
  transition: border-color var(--transition); outline: none;
}
.form-group input:focus, .form-group textarea:focus { border-color: var(--accent); }
.form-group textarea { resize: vertical; min-height: 100px; }
.form-submit {
  display: inline-block; padding: 14px 48px; background: var(--black); color: var(--white);
  font-size: .85rem; letter-spacing: .1em; margin-top: 8px;
  transition: var(--transition);
}
.form-submit:hover { background: var(--accent); }

/* --- Footer --- */
.footer {
  background: var(--dark); color: rgba(255,255,255,.5); padding: 48px 0;
}
.footer-inner {
  display: flex; align-items: center; justify-content: space-between;
}
.footer-logo img { height: 28px; filter: brightness(10); opacity: .6; }
.footer-text p { font-size: .75rem; line-height: 1.8; }
.footer-links { display: flex; gap: 24px; }
.footer-links a { font-size: .75rem; transition: color var(--transition); }
.footer-links a:hover { color: var(--white); }

/* --- Lightbox --- */
.lightbox {
  position: fixed; inset: 0; z-index: 9999;
  background: rgba(0,0,0,.92);
  display: none; align-items: center; justify-content: center;
  opacity: 0; transition: opacity .3s ease;
}
.lightbox.active { display: flex; opacity: 1; }
.lb-content { text-align: center; max-width: 90vw; max-height: 90vh; position: relative; }
.lb-content img {
  max-width: 90vw; max-height: 82vh; object-fit: contain;
  animation: lbFade .3s ease;
}
@keyframes lbFade { from{opacity:0;transform:scale(.96)} to{opacity:1;transform:scale(1)} }
.lb-close {
  position: absolute; top: 20px; right: 28px;
  color: var(--white); font-size: 2rem; opacity: .7; z-index: 10;
  transition: opacity var(--transition);
}
.lb-close:hover { opacity: 1; }
.lb-prev, .lb-next {
  position: absolute; top: 50%; transform: translateY(-50%);
  color: var(--white); font-size: 1.5rem; opacity: .6; z-index: 10;
  width: 50px; height: 50px; display: flex; align-items: center; justify-content: center;
  transition: opacity var(--transition);
}
.lb-prev { left: 20px; }
.lb-next { right: 20px; }
.lb-prev:hover, .lb-next:hover { opacity: 1; }
.lb-caption {
  color: rgba(255,255,255,.7); font-size: .85rem; margin-top: 16px;
  letter-spacing: .05em;
}
.lb-counter {
  color: rgba(255,255,255,.4); font-size: .7rem; margin-top: 6px;
  font-family: var(--font-en);
}

/* --- Animations --- */
.anim-fade-up {
  opacity: 0; transform: translateY(40px);
  transition: opacity .7s ease, transform .7s ease;
}
.anim-fade-up.visible {
  opacity: 1; transform: translateY(0);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .adv-grid { grid-template-columns: repeat(2,1fr); }
  .services-grid { grid-template-columns: repeat(3,1fr); }
  .process-timeline { flex-wrap: wrap; justify-content: center; }
  .process-timeline::before { display: none; }
  .process-step { flex: 0 0 33.333%; margin-bottom: 32px; }
}

@media (max-width: 768px) {
  .nav-inner { height: 60px; }
  .nav-logo img { height: 28px; }
  .nav-links {
    display: none; position: absolute; top: 60px; left: 0; width: 100%;
    background: rgba(255,255,255,.98); backdrop-filter: blur(12px);
    flex-direction: column; gap: 0; padding: 16px 0;
    box-shadow: 0 4px 20px rgba(0,0,0,.06);
  }
  .nav-links.open { display: flex; }
  .nav-links a { color: var(--gray-dark) !important; padding: 12px 24px; display: block; }
  .nav-toggle { display: flex; }

  .section { padding: 80px 0; }
  .about-grid { grid-template-columns: 1fr; gap: 32px; }
  .about-image { order: -1; }
  .adv-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr 1fr; }
  .process-step { flex: 0 0 50%; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .portfolio-grid { grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 12px; }
  .footer-inner { flex-direction: column; gap: 20px; text-align: center; }
  .filter-bar { gap: 8px; }
  .filter-btn { padding: 8px 16px; font-size: .75rem; }
}

@media (max-width: 480px) {
  .services-grid { grid-template-columns: 1fr; }
  .process-step { flex: 0 0 100%; }
  .portfolio-grid { grid-template-columns: 1fr; }
  .hero-title { letter-spacing: .15em; }
}

/* --- Project Detail Page --- */
.project-hero {
  position: relative; height: 60vh; min-height: 400px;
  display: flex; align-items: flex-end; overflow: hidden;
}
.project-hero-bg {
  position: absolute; inset: 0;
}
.project-hero-bg img {
  width: 100%; height: 100%; object-fit: cover;
}
.project-hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(0deg, rgba(0,0,0,.7) 0%, rgba(0,0,0,.2) 50%, rgba(0,0,0,.1) 100%);
}
.project-hero-content {
  position: relative; z-index: 2; padding: 60px 24px 48px;
  max-width: 1200px; margin: 0 auto; width: 100%; color: var(--white);
}
.project-hero-content .project-cat {
  font-family: var(--font-en); font-size: .7rem; letter-spacing: .3em;
  text-transform: uppercase; opacity: .7; margin-bottom: 8px;
}
.project-hero-content h1 {
  font-size: clamp(2rem, 5vw, 3.2rem); font-weight: 300;
  letter-spacing: .1em; margin-bottom: 8px;
}
.project-hero-content .project-en {
  font-family: var(--font-en); font-size: clamp(.85rem, 1.5vw, 1rem);
  font-weight: 300; letter-spacing: .15em; opacity: .6;
}
.project-hero-content .project-year {
  font-family: var(--font-en); font-size: .85rem; opacity: .5;
  margin-top: 4px;
}
.project-body { padding: 80px 0; }
.project-desc {
  max-width: 800px; margin: 0 auto 64px; text-align: center;
  font-size: 1rem; color: var(--gray); line-height: 2;
  padding: 0 24px;
}
.project-gallery {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
  gap: 16px; max-width: 1200px; margin: 0 auto; padding: 0 24px;
}
.project-gallery img {
  width: 100%; aspect-ratio: 4/3; object-fit: cover; cursor: pointer;
  transition: transform .4s ease;
}
.project-gallery img:hover { transform: scale(1.02); }

.project-nav {
  display: flex; justify-content: space-between; align-items: center;
  max-width: 1200px; margin: 0 auto; padding: 40px 24px 80px;
}
.project-nav a {
  font-size: .85rem; color: var(--gray); letter-spacing: .05em;
  transition: color var(--transition); display: flex; align-items: center; gap: 8px;
}
.project-nav a:hover { color: var(--accent); }
.back-link {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: .85rem; color: var(--gray); padding: 40px 24px 0;
  max-width: 1200px; margin: 0 auto; width: 100%;
  transition: color var(--transition);
}
.back-link:hover { color: var(--accent); }

@media (max-width: 768px) {
  .project-hero { height: 45vh; min-height: 300px; }
  .project-gallery { grid-template-columns: 1fr; }
}

/* --- Webdisk Page --- */
.page-header {
  padding-top: 120px; padding-bottom: 60px;
  background: var(--dark); color: var(--white); text-align: center;
}
.page-header h1 {
  font-size: clamp(1.8rem, 4vw, 2.5rem); font-weight: 300;
  letter-spacing: .15em; margin-bottom: 8px;
}
.page-header p {
  font-family: var(--font-en); font-size: .8rem; letter-spacing: .3em;
  opacity: .5;
}
.webdisk-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 32px; max-width: 1200px; margin: 0 auto; padding: 80px 24px;
}
.webdisk-card {
  padding: 40px 32px; border: 1px solid var(--gray-bg);
  transition: var(--transition);
}
.webdisk-card:hover {
  border-color: var(--accent); box-shadow: 0 12px 40px rgba(0,0,0,.05);
}
.webdisk-card h3 {
  font-size: 1.1rem; font-weight: 500; margin-bottom: 8px; letter-spacing: .05em;
}
.webdisk-card .card-en {
  font-family: var(--font-en); font-size: .7rem; color: var(--gray-light);
  letter-spacing: .1em; margin-bottom: 16px;
}
.webdisk-card p { font-size: .85rem; color: var(--gray); line-height: 1.7; }
.webdisk-login {
  max-width: 480px; margin: 0 auto; padding: 0 24px 80px;
}
.webdisk-login h2 {
  font-size: 1.3rem; font-weight: 300; letter-spacing: .1em;
  text-align: center; margin-bottom: 32px;
}

/* --- Page Nav (non-home pages) --- */
.page-nav { background: rgba(255,255,255,.98); box-shadow: 0 1px 0 rgba(0,0,0,.06); }
.page-nav .nav-links a { color: var(--gray-dark); }
.page-nav .nav-toggle span { background: var(--gray-dark); }

/* --- Nav Controls (Language + Theme toggles) --- */
.nav-controls {
  display: flex; align-items: center; gap: 8px; margin-left: 24px;
}
.lang-toggle, .theme-toggle {
  width: 36px; height: 36px; border-radius: 50%;
  font-size: .78rem; display: flex; align-items: center; justify-content: center;
  color: var(--white); border: 1px solid rgba(255,255,255,.3);
  transition: var(--transition); background: transparent; cursor: pointer;
}
.nav.scrolled .lang-toggle,
.nav.scrolled .theme-toggle { color: var(--gray-dark); border-color: var(--gray-lighter); }
.page-nav .lang-toggle,
.page-nav .theme-toggle { color: var(--gray-dark); border-color: var(--gray-lighter); }
.lang-toggle:hover, .theme-toggle:hover { background: rgba(255,255,255,.15); }
.nav.scrolled .lang-toggle:hover,
.nav.scrolled .theme-toggle:hover,
.page-nav .lang-toggle:hover,
.page-nav .theme-toggle:hover { background: var(--gray-bg); }
.theme-toggle { font-size: 1rem; }

/* --- Footer logo constraint --- */
.footer-logo { max-height: 40px; width: auto; }

/* =========================================
   Dark Mode
   ========================================= */
[data-theme="dark"] body { background: #141414; color: #ddd; }

/* Nav */
[data-theme="dark"] .nav.scrolled { background: rgba(20,20,20,.95); box-shadow: 0 1px 0 rgba(255,255,255,.06); }
[data-theme="dark"] .nav.scrolled .nav-links a { color: #ddd; }
[data-theme="dark"] .nav.scrolled .nav-toggle span { background: #ddd; }
[data-theme="dark"] .nav.scrolled .lang-toggle,
[data-theme="dark"] .nav.scrolled .theme-toggle { color: #ddd; border-color: #555; }
[data-theme="dark"] .nav.scrolled .lang-toggle:hover,
[data-theme="dark"] .nav.scrolled .theme-toggle:hover { background: #333; }
[data-theme="dark"] .nav-links { background: rgba(20,20,20,.98) !important; }
[data-theme="dark"] .nav-links a { color: #ddd !important; }

/* Sections */
[data-theme="dark"] .section-title { color: #f0f0f0; }
[data-theme="dark"] .section-label { color: #777; }

/* About */
[data-theme="dark"] .about { background: #141414; }
[data-theme="dark"] .about-text p { color: #aaa; }
[data-theme="dark"] .about-lead { color: #ddd !important; }

/* Advantages */
[data-theme="dark"] .advantages { background: #1a1a1a; }
[data-theme="dark"] .adv-card { background: #222; }
[data-theme="dark"] .adv-card:hover { box-shadow: 0 20px 60px rgba(0,0,0,.4); }
[data-theme="dark"] .adv-card h3 { color: #eee; }
[data-theme="dark"] .adv-card p { color: #aaa; }

/* Services */
[data-theme="dark"] .services { background: #141414; }
[data-theme="dark"] .services-intro { color: #aaa; }
[data-theme="dark"] .service-card { border-color: #333; background: #1c1c1c; }
[data-theme="dark"] .service-card:hover { border-color: var(--accent); box-shadow: 0 12px 40px rgba(0,0,0,.3); }
[data-theme="dark"] .service-card h3 { color: #eee; }
[data-theme="dark"] .service-en { color: #777; }
[data-theme="dark"] .service-card > p:last-child { color: #aaa; }
[data-theme="dark"] .service-icon img { filter: brightness(0) invert(1) opacity(.7); }

/* Process */
[data-theme="dark"] .process { background: #0d0d0d; }

/* Portfolio */
[data-theme="dark"] .portfolio { background: #1a1a1a; }
[data-theme="dark"] .filter-btn { background: #222; color: #aaa; border-color: #444; }
[data-theme="dark"] .filter-btn:hover,
[data-theme="dark"] .filter-btn.active { background: #f0f0f0; color: #111; border-color: #f0f0f0; }
[data-theme="dark"] .port-card { background: #333; }

/* Contact */
[data-theme="dark"] .contact { background: #141414; }
[data-theme="dark"] .contact-item h3 { color: #eee; }
[data-theme="dark"] .contact-item p { color: #aaa; }
[data-theme="dark"] .contact-label { color: #777; }
[data-theme="dark"] .contact-qr { border-color: #333; }
[data-theme="dark"] .form-group input,
[data-theme="dark"] .form-group textarea { color: #ddd; border-color: #444; background: transparent; }
[data-theme="dark"] .form-group input::placeholder,
[data-theme="dark"] .form-group textarea::placeholder { color: #666; }
[data-theme="dark"] .form-submit { background: #f0f0f0; color: #111; }
[data-theme="dark"] .form-submit:hover { background: var(--accent); color: #fff; }

/* Footer */
[data-theme="dark"] .footer { background: #0a0a0a; }

/* Page Header (webdisk) */
[data-theme="dark"] .page-header { background: #0d0d0d; }

/* Webdisk cards */
[data-theme="dark"] .webdisk-card { border-color: #333; background: #1c1c1c; }
[data-theme="dark"] .webdisk-card:hover { border-color: var(--accent); box-shadow: 0 12px 40px rgba(0,0,0,.3); }
[data-theme="dark"] .webdisk-card h3 { color: #eee; }
[data-theme="dark"] .webdisk-card .card-en { color: #777; }
[data-theme="dark"] .webdisk-card p { color: #aaa; }

/* Project detail */
[data-theme="dark"] .project-body { background: #141414; }
[data-theme="dark"] .project-desc { color: #aaa; }
[data-theme="dark"] .project-nav a { color: #aaa; }
[data-theme="dark"] .project-nav a:hover { color: var(--accent); }
[data-theme="dark"] .back-link { color: #aaa; }
[data-theme="dark"] .back-link:hover { color: var(--accent); }

/* Page nav (non-home) */
[data-theme="dark"] .page-nav { background: rgba(20,20,20,.98); box-shadow: 0 1px 0 rgba(255,255,255,.06); }
[data-theme="dark"] .page-nav .nav-links a { color: #ddd; }
[data-theme="dark"] .page-nav .nav-toggle span { background: #ddd; }
[data-theme="dark"] .page-nav .lang-toggle,
[data-theme="dark"] .page-nav .theme-toggle { color: #ddd; border-color: #555; }
[data-theme="dark"] .page-nav .lang-toggle:hover,
[data-theme="dark"] .page-nav .theme-toggle:hover { background: #333; }

/* Webdisk form */
[data-theme="dark"] .webdisk-login h2 { color: #eee; }
[data-theme="dark"] .form-input { color: #ddd; border-color: #444; background: transparent; }
[data-theme="dark"] .form-input::placeholder { color: #666; }
[data-theme="dark"] label { color: #ccc; }

/* Mobile responsive for nav controls */
@media (max-width: 768px) {
  .nav-controls { margin-left: auto; margin-right: 8px; }
}