/* ============================================
   INSIDE VISION - Static Site Stylesheet
   Optimized with UI/UX Pro Max guidelines
   ============================================ */

/* --- Google Fonts (Orchid 風格：Inter Display + Noto Sans TC + Playfair Display 襯線)--- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Noto+Sans+TC:wght@300;400;500;700&family=Playfair+Display:wght@700;900&display=swap');

/* --- CSS Variables (Orchid-inspired tokens) --- */
:root {
  /* 基底：乾淨白底 + 近黑字 + 亮藍點綴 */
  --color-bg: #ffffff;
  --color-bg-alt: #f5f5f5;        /* 極淺灰 */
  --color-bg-card: #ffffff;
  --color-text: #4a4d57;
  --color-text-muted: #9094a2;
  --color-text-dark: #1D2029;     /* 近黑主色 */
  --color-primary: #1D2029;
  --color-primary-hover: #000000;
  --color-accent: #ffb703;        /* 暖黃（按鈕 hover、連結） */
  --color-accent-soft: #fff5d6;   /* 黃色淺底 */
  --color-secondary: #1D2029;
  --color-border: #e8e8ec;

  --font-heading: 'Inter', 'Noto Sans TC', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', 'Noto Sans TC', -apple-system, BlinkMacSystemFont, sans-serif;

  /* 12px 基底間距 */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 96px;
  --space-5xl: 128px;

  /* Orchid type scale */
  --text-xs: 0.75rem;     /* 12px */
  --text-sm: 0.875rem;    /* 14px — Orchid body */
  --text-base: 1rem;      /* 16px */
  --text-lg: 1.125rem;    /* 18px */
  --text-xl: 1.5rem;      /* 24px */
  --text-2xl: 2.4375rem;  /* 39px — Orchid H2 */
  --text-3xl: 3rem;       /* 48px */
  --text-4xl: 3.9375rem;  /* 63px — Orchid H1 */
  --text-5xl: 5rem;       /* 80px — 特別大標 */

  --transition: 0.25s ease;
  --transition-slow: 0.4s ease;
  --max-width: 1080px;
  --border-radius: 12px;    /* Orchid 柔和圓角 */
  --border-radius-sm: 8px;
  --border-radius-lg: 20px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 400;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Focus ring for accessibility */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

a {
  color: var(--color-text-dark);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover { color: var(--color-primary); }

img {
  max-width: 100%;
  height: auto;
  display: block;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 500;
  color: var(--color-text-dark);
  line-height: 1.1;
  letter-spacing: -0.02em;
}
h1 { font-size: var(--text-4xl); }
h2 { font-size: var(--text-2xl); }
h3 { font-size: var(--text-xl); }
h4 { font-size: var(--text-lg); }

p { margin-bottom: 1rem; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 18px 0;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: box-shadow var(--transition), opacity 0.4s ease, transform 0.4s ease;
}

.nav.scrolled {
  box-shadow: 0 1px 0 var(--color-border);
}

.nav.nav-hidden {
  opacity: 0;
  transform: translateY(-100%);
  pointer-events: none;
}

.nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo img {
  /* logo 是密集型標誌（字包在框裡），低於 32px 內部文字會糊掉 */
  height: 36px;
  width: auto;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: var(--space-xl);
  align-items: center;
}

.nav-links a {
  font-size: 0.9375rem; /* 15px — 導覽列比內文稍大才好點 */
  font-weight: 500;
  color: var(--color-text-dark);
  position: relative;
  padding: var(--space-xs) 0;
  transition: color var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-accent);
}

/* Hamburger — 44x44 touch target */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 10px;
  min-width: 44px;
  min-height: 44px;
  justify-content: center;
  align-items: center;
}

.nav-toggle span {
  width: 22px;
  height: 1.5px;
  background: var(--color-text-dark);
  transition: var(--transition);
  display: block;
}

/* --- Hero Section (Orchid 風：大標 + CTA + 橫向輪播) --- */
.hero {
  padding: 8rem 0 var(--space-xl);
  background: var(--color-bg);
  overflow: hidden;
}

.hero-top {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg) var(--space-xl);
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: var(--space-xl);
}

.hero h1 {
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: clamp(2.5rem, 6.5vw, 4.5rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--color-text-dark);
  max-width: 15ch;
  margin: 0;
}

.hero-start {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--color-text-dark);
  border-bottom: 1px solid var(--color-text-dark);
  padding-bottom: 6px;
  transition: color var(--transition), border-color var(--transition);
  white-space: nowrap;
}
.hero-start:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}
.hero-start-arrow {
  font-size: 1.2rem;
  line-height: 1;
  transition: transform var(--transition);
}
.hero-start:hover .hero-start-arrow { transform: translateX(4px); }

/* 橫向輪播（滿版 + 左右箭頭） */
.hero-carousel-wrap {
  position: relative;
  width: 100%;
}

.hero-carousel {
  overflow-x: auto;
  overflow-y: hidden;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  padding: 0 0 var(--space-md);
  scrollbar-width: none;
}
.hero-carousel::-webkit-scrollbar { display: none; }

.hero-carousel-track {
  display: flex;
  gap: var(--space-md);
  padding: 0 var(--space-lg);
}

.carousel-card {
  flex: 0 0 320px;
  position: relative;
  aspect-ratio: 3 / 4;
  border-radius: var(--border-radius);
  overflow: hidden;
  background: var(--color-bg-alt);
  transition: transform var(--transition);
}
.carousel-card:hover { transform: translateY(-4px); }
.carousel-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.carousel-card-icon {
  position: absolute;
  top: 16px;
  right: 16px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: var(--color-text-dark);
}

/* 左右箭頭按鈕 */
.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-text-dark);
  color: #fff;
  border: none;
  cursor: pointer;
  font-size: 1.6rem;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(29, 32, 41, 0.25);
  transition: background var(--transition), opacity var(--transition), transform 0.15s ease;
  padding: 0 0 4px 0;
}
.carousel-btn:hover { background: var(--color-accent); }
.carousel-btn:active { transform: translateY(-50%) scale(0.94); }
.carousel-btn--prev { left: var(--space-lg); }
.carousel-btn--next { right: var(--space-lg); }

@media (max-width: 768px) {
  .carousel-btn { width: 40px; height: 40px; font-size: 1.3rem; }
  .carousel-btn--prev { left: var(--space-sm); }
  .carousel-btn--next { right: var(--space-sm); }
}

/* 共用 eyebrow 小字（pill 膠囊樣式） */
.eyebrow {
  display: inline-block;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-dark);
  letter-spacing: 0.01em;
  margin: 0 0 var(--space-md);
  padding: 6px 14px;
  background: #f2f2f5;
  border-radius: 999px;
  text-transform: none;
}
.section-sub {
  color: var(--color-text-muted);
  font-size: var(--text-base);
  margin-top: var(--space-sm);
}

/* --- Brand Strip --- */
.brand-strip {
  padding: var(--space-3xl) var(--space-lg);
  text-align: center;
  background: var(--color-bg);
}
.brand-strip-text {
  font-size: var(--text-xl);
  color: var(--color-text-muted);
  margin-bottom: var(--space-xl);
}
.brand-logos {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-3xl);
  flex-wrap: wrap;
  max-width: var(--max-width);
  margin: 0 auto;
}
.brand-logo {
  height: 60px;
  width: auto;
  max-width: 160px;
  object-fit: contain;
  filter: grayscale(100%);
  opacity: 0.55;
  transition: filter 0.3s ease, opacity 0.3s ease;
}
.brand-logo:hover {
  filter: grayscale(0%);
  opacity: 1;
}

/* --- About Section --- */
.about-section {
  padding: var(--space-5xl) var(--space-lg);
  background: var(--color-bg);
}
.about-section .container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0;
}
.about-manifesto {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  margin: var(--space-md) 0 var(--space-2xl);
}
.about-manifesto__row {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}
.about-manifesto__word {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 500;
  letter-spacing: 0.02em;
  line-height: 1.1;
  margin: 0;
  color: var(--color-text-dark);
}
.about-manifesto__line {
  font-size: var(--text-base);
  color: var(--color-text);
  line-height: 1.8;
  margin: 0;
}
@media (max-width: 768px) {
  .about-manifesto {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }
}

.about-title {
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 500;
  letter-spacing: -0.025em;
  color: var(--color-text-dark);
  margin: 0 0 var(--space-md);
  max-width: 20ch;
}
.about-tagline {
  font-size: var(--text-lg);
  color: var(--color-text);
  max-width: 60ch;
  margin-bottom: var(--space-2xl);
  line-height: 1.6;
}
.about-image {
  width: 100%;
  aspect-ratio: 16 / 7;
  background-size: cover;
  background-position: center;
  border-radius: var(--border-radius-lg);
}
.about-video {
  width: 100%;
  aspect-ratio: 16 / 7;
  object-fit: cover;
  border-radius: var(--border-radius-lg);
  display: block;
}

/* --- Stats --- */
.stats {
  padding: var(--space-4xl) var(--space-lg);
  background: var(--color-bg);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
  max-width: var(--max-width);
  margin: 0 auto;
}
.stat-item { text-align: left; }
.stat-number {
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: clamp(3rem, 6vw, 5rem);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--color-text-dark);
  margin-bottom: var(--space-md);
}
.stat-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* --- Testimonials Banner Slider --- */
.testimonials-banner {
  position: relative;
  width: 100%;
  min-height: 440px;
  padding: var(--space-4xl) var(--space-lg);
  background: linear-gradient(135deg, #1e1e24 0%, #2a2a32 50%, #1e1e24 100%);
  color: #ffffff;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}
.testimonials-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    radial-gradient(rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 3px 3px, 5px 5px;
  background-position: 0 0, 1.5px 1.5px;
  pointer-events: none;
  opacity: 0.8;
}
.testimonials-banner__slider {
  position: relative;
  width: 100%;
  max-width: 1100px;
  min-height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.testimonials-banner__slide {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.8s ease;
  padding: 0 var(--space-md);
}
.testimonials-banner__slide.is-active {
  opacity: 1;
  visibility: visible;
}
.testimonials-banner__quote {
  font-size: clamp(1.25rem, 2.1vw, 1.625rem);
  line-height: 2;
  letter-spacing: 0.02em;
  font-weight: 400;
  max-width: 960px;
  margin: 0 0 var(--space-xl);
  color: #ffffff;
}
.q-mark {
  display: inline-block;
  font-family: Georgia, "Noto Serif TC", serif;
  font-size: 1.4em;
  vertical-align: -0.15em;
  line-height: 1;
  color: rgba(255,255,255,0.9);
  margin: 0 0.15em;
}
.testimonials-banner__client {
  font-size: var(--text-sm);
  letter-spacing: 0.25em;
  font-weight: 500;
  color: rgba(255,255,255,0.75);
  margin: 0;
}
.testimonials-banner__dots {
  position: relative;
  display: flex;
  gap: 10px;
  margin-top: var(--space-xl);
  z-index: 2;
}
.tb-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: none;
  padding: 0;
  background: rgba(255,255,255,0.3);
  cursor: pointer;
  transition: background 0.3s ease, width 0.3s ease;
}
.tb-dot:hover { background: rgba(255,255,255,0.6); }
.tb-dot.is-active {
  background: rgba(255,255,255,0.95);
  width: 22px;
  border-radius: 999px;
}
@media (max-width: 768px) {
  .testimonials-banner { min-height: 380px; padding: var(--space-3xl) var(--space-lg); }
  .testimonials-banner__quote { font-size: 1.0625rem; line-height: 1.9; }
}

/* --- Testimonial Feature (legacy, unused) --- */
.testimonial-feature {
  padding: var(--space-5xl) var(--space-lg);
  background: var(--color-bg-alt);
}
.testimonial-feature .container {
  max-width: 960px;
  margin: 0 auto;
  text-align: left;
}
.testimonial-feature-logo {
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-xl);
}
.testimonial-feature-quote {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 500;
  line-height: 1.35;
  letter-spacing: -0.02em;
  color: var(--color-text-dark);
  margin-bottom: var(--space-xl);
  max-width: 28ch;
}
.testimonial-feature-meta {
  display: flex;
  gap: var(--space-md);
  align-items: center;
  margin-bottom: var(--space-2xl);
}
.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 600;
  font-size: var(--text-sm);
  letter-spacing: 0.02em;
  flex-shrink: 0;
}
.testimonial-feature-name,
.testimonial-name {
  font-weight: 500;
  color: var(--color-text-dark);
  font-size: var(--text-sm);
}
.testimonial-feature-role,
.testimonial-role {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}
.testimonial-feature-image {
  width: 100%;
  aspect-ratio: 16 / 9;
  background-size: cover;
  background-position: center;
  border-radius: var(--border-radius-lg);
}

/* --- Latest Works --- */
.latest-works {
  padding: var(--space-5xl) var(--space-lg);
  background: var(--color-bg);
}
.latest-works-head {
  max-width: var(--max-width);
  margin: 0 auto var(--space-2xl);
}
.works-grid-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  max-width: var(--max-width);
  margin: 0 auto;
}
.work-case {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  text-decoration: none;
  transition: transform var(--transition);
}
.work-case:hover { transform: translateY(-4px); }
.work-case-image {
  width: 100%;
  aspect-ratio: 4 / 3;
  background-size: cover;
  background-position: center;
  border-radius: var(--border-radius);
  background-color: var(--color-bg-alt);
}
.work-case-body h3 {
  font-size: var(--text-xl);
  margin-bottom: 4px;
  color: var(--color-text-dark);
}
.work-case-body p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin: 0;
}

/* --- Services --- */
.services {
  padding: var(--space-5xl) var(--space-lg);
  background: var(--color-bg-alt);
}
.services-head {
  max-width: var(--max-width);
  margin: 0 auto var(--space-2xl);
}
.services-stack {
  max-width: 1080px;
  margin: 0 auto;
  padding-bottom: 10vh;
}
.service-card {
  position: sticky;
  top: calc(88px + var(--i, 0) * 18px);
  background: var(--color-bg);
  padding: var(--space-xl);
  border-radius: var(--border-radius-lg);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
  box-shadow: 0 20px 60px rgba(29, 32, 41, 0.06);
  transform-origin: top center;
  transition: transform var(--transition);
}
.service-card + .service-card {
  margin-top: 5vh;
}
.service-text {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}
.service-image {
  aspect-ratio: 16 / 10;
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  margin: 0;
}
.service-number {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  letter-spacing: 0;
  margin: 0;
}
.service-card h3 {
  font-size: var(--text-2xl);
  margin: 0;
  letter-spacing: -0.02em;
}
.service-card > p {
  color: var(--color-text);
  font-size: var(--text-base);
  margin: 0;
}
.service-tags {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-top: var(--space-sm);
}
.service-tags span {
  font-size: var(--text-xs);
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
}

/* --- Testimonials Carousel --- */
.testimonials {
  padding: var(--space-5xl) 0 var(--space-5xl) var(--space-lg);
  background: var(--color-bg);
}
.testimonials-head {
  max-width: var(--max-width);
  margin: 0 auto var(--space-2xl);
  padding: 0 var(--space-lg) 0 0;
}
.testimonials-track {
  display: flex;
  gap: var(--space-lg);
  overflow-x: auto;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  padding: var(--space-sm) var(--space-lg) var(--space-lg) 0;
  scrollbar-width: none;
}
.testimonials-track::-webkit-scrollbar { display: none; }
.testimonial-card {
  flex: 0 0 360px;
  background: var(--color-bg-alt);
  padding: var(--space-xl);
  border-radius: var(--border-radius-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  justify-content: space-between;
  min-height: 240px;
}
.testimonial-quote {
  font-size: var(--text-base);
  color: var(--color-text-dark);
  line-height: 1.5;
  margin: 0;
}
.testimonial-meta {
  display: flex;
  gap: var(--space-sm);
  align-items: center;
}

/* --- Pricing --- */
.pricing {
  padding: var(--space-5xl) var(--space-lg);
  background: var(--color-bg);
}
.pricing-head {
  max-width: var(--max-width);
  margin: 0 auto var(--space-2xl);
  text-align: center;
}
.pricing-head .eyebrow,
.pricing-head h2,
.pricing-head p {
  margin-left: auto;
  margin-right: auto;
  max-width: 640px;
}
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
  max-width: 960px;
  margin: 0 auto;
}
.pricing-card {
  background: var(--color-bg-alt);
  padding: var(--space-2xl);
  border-radius: var(--border-radius-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  position: relative;
}
.pricing-card--popular {
  background: var(--color-text-dark);
  color: #fff;
}
.pricing-card--popular h3,
.pricing-card--popular .pricing-big {
  color: #fff;
}
.pricing-card--popular > p,
.pricing-card--popular .pricing-features {
  color: rgba(255, 255, 255, 0.75);
}
.pricing-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  background: var(--color-accent);
  color: #fff;
  font-size: var(--text-xs);
  font-weight: 500;
  padding: 4px 12px;
  border-radius: 999px;
  margin: 0;
}
.pricing-card h3 {
  font-size: var(--text-2xl);
  margin: 0;
}
.pricing-card > p {
  color: var(--color-text);
  margin: 0;
}
.pricing-amount {
  display: flex;
  align-items: baseline;
  gap: var(--space-sm);
  margin: var(--space-md) 0;
}
.pricing-big {
  font-family: var(--font-heading);
  font-size: clamp(2.2rem, 4vw, 3rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--color-text-dark);
  line-height: 1;
}
.pricing-features {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}
.pricing-features li {
  font-size: var(--text-sm);
  color: var(--color-text);
  padding-left: var(--space-md);
  position: relative;
}
.pricing-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: 600;
}
.pricing-card--popular .pricing-features li { color: rgba(255, 255, 255, 0.85); }
.pricing-card--popular .pricing-features li::before { color: var(--color-accent); }
.pricing-card .btn { align-self: flex-start; margin-top: auto; }
.pricing-card--popular .btn {
  border-color: #fff;
  color: #fff;
}
.pricing-card--popular .btn:hover {
  background: #fff;
  color: var(--color-text-dark);
}

/* --- FAQ (Orchid 風：左標題 / 右列表、白色卡片、圓形 + icon) --- */
.faq {
  padding: var(--space-5xl) var(--space-lg);
  background: var(--color-bg);
}
.faq-container {
  max-width: 1080px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 0.9fr 1.3fr;
  gap: var(--space-4xl);
  align-items: start;
}
.faq-head {
  position: sticky;
  top: 120px;
}
.faq-head h2 {
  margin: 0 0 var(--space-md);
}
.faq-subtitle {
  color: var(--color-text-muted);
  font-size: var(--text-base);
  margin: var(--space-md) 0 0;
}
.faq-subtitle a {
  color: var(--color-text-dark);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}
.faq-item {
  background: #f5f5f5;
  border-radius: var(--border-radius-lg);
  padding: 0;
  transition: background var(--transition);
}
.faq-item[open] {
  background: #ececec;
}
.faq-item summary {
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-text-dark);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-lg) var(--space-xl);
  transition: color var(--transition);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '';
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 999px;
  background: #ffffff url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%231D2029' stroke-width='2.4' stroke-linecap='round'><line x1='12' y1='5' x2='12' y2='19'/><line x1='5' y1='12' x2='19' y2='12'/></svg>") center / 14px no-repeat;
  transition: transform var(--transition), background-image var(--transition);
}
.faq-item[open] summary::after {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%231D2029' stroke-width='2.4' stroke-linecap='round'><line x1='5' y1='12' x2='19' y2='12'/></svg>");
  transform: rotate(180deg);
}
.faq-item p {
  margin: 0;
  padding: 0 var(--space-xl) var(--space-lg);
  color: var(--color-text-muted);
  line-height: 1.7;
  font-size: var(--text-base);
}

/* --- Journal --- */
.journal {
  padding: var(--space-5xl) var(--space-lg);
  background: var(--color-bg);
}
.journal-head {
  max-width: var(--max-width);
  margin: 0 auto var(--space-2xl);
}
.journal-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  max-width: var(--max-width);
  margin: 0 auto;
}
.journal-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  text-decoration: none;
  transition: transform var(--transition);
}
.journal-card:hover { transform: translateY(-4px); }
.journal-image {
  aspect-ratio: 4 / 3;
  background-size: cover;
  background-position: center;
  border-radius: var(--border-radius);
}
.journal-date {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin: var(--space-sm) 0 0;
}
.journal-card h3 {
  font-size: var(--text-lg);
  margin: 0;
  color: var(--color-text-dark);
  letter-spacing: -0.01em;
}

/* --- Responsive for new sections --- */
@media (max-width: 768px) {
  .hero { padding: 6rem var(--space-lg) var(--space-xl); }
  .hero-top {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-lg);
  }
  .hero h1 { font-size: clamp(2rem, 10vw, 2.8rem); max-width: 100%; }
  .hero-carousel-track { padding-left: var(--space-lg); }
  .carousel-card { flex: 0 0 220px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-lg); }
  .works-grid-list,
  .pricing-grid,
  .journal-grid { grid-template-columns: 1fr; }
  .service-card {
    position: static;
    top: auto;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
    padding: var(--space-xl);
    box-shadow: 0 8px 24px rgba(29, 32, 41, 0.06);
  }
  .service-card + .service-card { margin-top: var(--space-lg); }
  .service-image { aspect-ratio: 16 / 10; font-size: 3rem; }
  .brand-logos { gap: var(--space-lg); }
  .testimonial-card { flex: 0 0 280px; }
  .faq-container {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }
  .faq-head { position: static; top: auto; }
  .faq-item summary { padding: var(--space-md) var(--space-lg); font-size: var(--text-base); }
  .faq-item p { padding: 0 var(--space-lg) var(--space-md); }
  .footer-card {
    padding: var(--space-xl);
    border-radius: 24px;
  }
  .footer-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
  }
  .footer-photo {
    aspect-ratio: 4 / 3;
    border-radius: 16px;
    margin-bottom: var(--space-lg);
  }
  .footer-bottom {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  .footer-copy {
    text-align: left;
    align-self: start;
  }
}

/* --- Portfolio 區塊（Orchid 風：大標+副標+格線） --- */
.portfolio-section {
  padding: var(--space-4xl) 0 var(--space-5xl);
  position: relative;
}

.portfolio-section-head {
  max-width: var(--max-width);
  margin: 0 auto var(--space-2xl);
  padding: 0 var(--space-lg);
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.portfolio-section-head .eyebrow {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  letter-spacing: 0.02em;
  margin-bottom: var(--space-sm);
}

.portfolio-section-head h2 {
  font-size: var(--text-2xl);
  font-weight: 500;
  color: var(--color-text-dark);
  letter-spacing: -0.02em;
  margin: 0;
}

.portfolio-filter {
  display: flex;
  justify-content: flex-start;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin: 0 auto var(--space-2xl);
  padding: 0 var(--space-lg);
  max-width: var(--max-width);
  list-style: none;
}

.portfolio-filter li {
  padding: 10px 20px;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: color var(--transition), background var(--transition), border-color var(--transition);
  min-height: 40px;
  display: flex;
  align-items: center;
  border: 1px solid var(--color-border);
  border-radius: 999px;      /* pill shape */
  background: var(--color-bg);
}

.portfolio-filter li:hover {
  color: var(--color-text-dark);
  border-color: var(--color-text-dark);
}

.portfolio-filter li.active {
  color: #ffffff;
  background: var(--color-text-dark);
  border-color: var(--color-text-dark);
}

/* --- Portfolio Grid (Orchid 風：柔和圓角 + 微陰影) --- */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.portfolio-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--border-radius);
  aspect-ratio: 4 / 3;
  cursor: pointer;
  background: var(--color-bg-alt);
  transition: transform var(--transition), box-shadow var(--transition);
}

.portfolio-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(29, 32, 41, 0.1);
}

.portfolio-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

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

.portfolio-item .overlay {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.6));
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-end;
  padding: var(--space-2xl) var(--space-lg) var(--space-lg);
  transition: background var(--transition);
}

.portfolio-item:hover .overlay {
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
}

.portfolio-item .overlay h3 {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  margin-bottom: 2px;
  color: #ffffff;
}

.portfolio-item .overlay .tags {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.6);
  letter-spacing: 0.5px;
}

/* Load More */
.load-more-wrap {
  text-align: center;
  margin-top: var(--space-2xl);
}

/* --- Buttons (Orchid 風：柔和圓角、藍色點綴) --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 14px 28px;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0;
  border: 1px solid var(--color-text-dark);
  color: var(--color-text-dark);
  background: transparent;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition);
  border-radius: var(--border-radius);
  min-height: 44px;
  text-decoration: none;
}

.btn:hover {
  background: var(--color-text-dark);
  color: #ffffff;
}

.btn:active { transform: scale(0.98); }

.btn-primary {
  border-color: var(--color-text-dark);
  background: var(--color-text-dark);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(29, 32, 41, 0.2);
}

.btn-primary:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #ffffff;
  box-shadow: 0 6px 20px rgba(0, 0, 238, 0.3);
}

.btn::after {
  content: '→';
  font-size: 1.05em;
  transition: transform var(--transition);
}

.btn:hover::after { transform: translateX(4px); }

/* --- Page Header --- */
/* 與 about 頁的 .about-hero 完全一致，讓內頁標題區統一 */
.page-header {
  padding: var(--space-5xl) var(--space-lg) var(--space-3xl);
  text-align: center;
  background: var(--color-bg-alt);
}

.page-header h1 {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-md);
}

.page-header .page-header-sub {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 400;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.page-header .page-header-desc {
  color: var(--color-text);
  max-width: 640px;
  margin: var(--space-lg) auto 0;
  font-size: 0.9375rem;
  line-height: 1.9;
}

/* --- Section --- */
.section {
  padding: var(--space-4xl) 0;
}

.section-alt {
  background: var(--color-bg-alt);
}

.section-title {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.section-title h2 {
  margin-bottom: var(--space-md);
}

.section-title p {
  color: var(--color-text-muted);
  max-width: 480px;
  margin: 0 auto;
}

/* --- Two Column Layout --- */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.two-col img {
  border-radius: var(--border-radius);
}

.two-col-text h2 {
  margin-bottom: var(--space-lg);
}

.two-col-text p {
  line-height: 1.85;
  color: var(--color-text);
}

/* --- Service Features --- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
}

.feature-item {
  text-align: center;
  padding: var(--space-lg);
}

.feature-item h4 {
  font-family: var(--font-body);
  font-weight: 600;
  margin-bottom: var(--space-sm);
  font-size: var(--text-base);
}

.feature-item p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* --- Tabs (Services Price page) --- */
.tabs {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-2xl);
}

.tab-btn {
  padding: 12px var(--space-lg);
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-muted);
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all var(--transition);
  min-height: 44px;
}

.tab-btn:hover,
.tab-btn.active {
  color: var(--color-text-dark);
  border-color: var(--color-text-dark);
  background: var(--color-bg);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

.tab-content img {
  max-width: 800px;
  margin: 0 auto;
  border-radius: var(--border-radius);
}

/* --- About Page --- */
.about-hero {
  padding: var(--space-5xl) 0 var(--space-3xl);
  background: var(--color-bg-alt);
  text-align: center;
}

.about-hero-sub {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 400;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.about-two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.about-two-col-img img {
  width: 100%;
  border-radius: var(--border-radius);
}

.about-brand-title {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  margin-bottom: var(--space-xl);
}

.about-brand-item {
  margin-bottom: var(--space-lg);
}

.about-brand-item h4 {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

.about-brand-item p {
  color: var(--color-text);
  line-height: 1.85;
}

.about-studio-section h2 {
  margin-bottom: var(--space-lg);
}

/* Testimonials - full width dark image background */
.about-testimonials {
  background-image: url('../images/about/about-comment.jpg');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}

.about-testimonials-overlay {
  background: rgba(0, 0, 0, 0.7);
  padding: var(--space-4xl) 0;
}

.about-testimonials-content {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
}

.about-testimonials-content blockquote {
  margin-bottom: var(--space-2xl);
}

.about-testimonials-content blockquote p {
  font-family: var(--font-heading);
  font-style: italic;
  font-size: var(--text-lg);
  line-height: 2;
  color: #ffffff;
}

.about-testimonials-content blockquote cite {
  display: block;
  margin-top: var(--space-sm);
  font-style: normal;
  font-weight: 600;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.6);
  letter-spacing: 1px;
}

/* Client Logos */
.client-logos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-2xl);
  align-items: center;
}

.client-logos img {
  height: 50px;
  width: auto;
  opacity: 0.4;
  transition: opacity var(--transition), filter var(--transition);
  filter: grayscale(100%);
}

.client-logos img:hover {
  opacity: 1;
  filter: none;
}

/* --- Contact Page --- */
.contact-section {
  padding: var(--space-4xl) var(--space-lg);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
}

/* HTML 用的是 .contact-item（舊 CSS 只寫了 .contact-info-item，選擇器對不上） */
.contact-item {
  margin-bottom: var(--space-xl);
}
.contact-item:last-child {
  margin-bottom: 0;
}
.contact-item h3 {
  margin-bottom: var(--space-sm);
}
.contact-item p {
  margin: 0;
}

.contact-info h3 {
  margin-bottom: var(--space-lg);
}

.contact-info-item {
  margin-bottom: var(--space-lg);
}

.contact-info-item strong {
  display: block;
  color: var(--color-text-dark);
  margin-bottom: var(--space-xs);
  font-size: var(--text-sm);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.contact-info-item a {
  color: var(--color-text);
}

.contact-info-item a:hover {
  color: var(--color-text-dark);
}

.contact-map {
  border-radius: var(--border-radius);
  overflow: hidden;
  min-height: 400px;
}

.contact-map iframe {
  width: 100%;
  height: 100%;
  min-height: 400px;
  border: 0;
  filter: grayscale(100%) contrast(0.9);
}

.line-qrcode {
  margin-top: var(--space-lg);
}

.line-qrcode img {
  width: 140px;
  border-radius: var(--border-radius);
}

/* --- Portfolio Detail --- */
.portfolio-detail {
  padding: calc(var(--space-5xl) - 20px) 0 var(--space-3xl);
}

.portfolio-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
}

.portfolio-images img {
  border-radius: var(--border-radius);
  margin-bottom: var(--space-md);
  cursor: pointer;
  transition: opacity var(--transition);
}

.portfolio-images img:hover {
  opacity: 0.9;
}

.portfolio-info {
  position: sticky;
  top: 100px;
  align-self: start;
}

.portfolio-info h1 {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-lg);
}

.portfolio-info .description {
  margin-bottom: var(--space-xl);
  line-height: 1.85;
}

.portfolio-meta {
  margin-bottom: var(--space-xl);
}

.portfolio-meta table {
  width: 100%;
}

.portfolio-meta td {
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.9375rem;
}

.portfolio-meta td:first-child {
  width: 100px;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.portfolio-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-2xl) 0;
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-2xl);
}

.portfolio-nav a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--transition);
}

.portfolio-nav a:hover {
  color: var(--color-text-dark);
}

.portfolio-nav .grid-icon {
  font-size: 1.2rem;
  letter-spacing: 2px;
}

/* --- Blog --- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: var(--space-xl);
}

.blog-card {
  background: var(--color-bg);
  border-radius: var(--border-radius);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
  border: 1px solid var(--color-border);
}

.blog-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.blog-card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.blog-card-body {
  padding: var(--space-lg);
}

.blog-card .date {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
  letter-spacing: 0.5px;
}

.blog-card h3 {
  margin-bottom: var(--space-sm);
  font-size: var(--text-lg);
}

.blog-card p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

.blog-empty {
  text-align: center;
  padding: var(--space-4xl) var(--space-lg);
  color: var(--color-text-muted);
  font-size: var(--text-lg);
}

/* --- CTA Section (Orchid 風：淺灰底 + 置中預約) --- */
.cta {
  text-align: center;
  padding: var(--space-5xl) var(--space-lg);
  background: var(--color-bg-alt);
  color: var(--color-text-dark);
}

.cta .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xl);
  max-width: 720px;
  margin: 0 auto;
}

.cta .eyebrow {
  background: #ffffff;
  color: var(--color-text-dark);
  margin: 0;
}
.services .eyebrow { background: #ffffff; }

.cta h2 {
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: clamp(2rem, 5vw, 3.5rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--color-text-dark);
  margin: 0;
}

.cta p {
  font-size: var(--text-base);
  color: var(--color-text);
  max-width: 480px;
  margin: 0;
  line-height: 1.65;
}

/* --- Footer 名片卡（自動撐滿 viewport） --- */
.footer {
  padding: var(--space-2xl) var(--space-lg);
  background: var(--color-bg);
  box-sizing: border-box;
  display: flex;
  justify-content: center;
}
/* 只有首頁的名片卡 footer 才撐滿整個螢幕；
   其他頁只有一行版權字，撐 100vh 會在下方留一大塊空白 */
.footer:has(.footer-card) {
  min-height: 100vh;
  padding: var(--space-lg);
}
.footer-card {
  width: 100%;
  max-width: 1080px;
  color: var(--color-text-dark);
  border-radius: 32px;
  padding: var(--space-2xl);
  display: flex;
  flex-direction: column;
  box-sizing: border-box;
}
.footer-header {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}
.footer-tagline { text-align: right; }
.footer-logo img {
  height: 48px;
  width: auto;
}
.footer-tagline {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin: 0;
  line-height: 1.4;
}
.footer-photo {
  width: 100%;
  border-radius: 24px;
  overflow: hidden;
  flex: 1;
  min-height: 0;
  margin-bottom: var(--space-md);
}
.footer-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.footer-bottom {
  display: grid;
  grid-template-columns: 1.3fr 1fr auto;
  gap: var(--space-xl);
  align-items: start;
  padding-top: var(--space-md);
}
.footer-contact,
.footer-pages {
  list-style: none;
  padding: 0;
  margin: 0;
  line-height: 1.5;
}
.footer-contact li,
.footer-pages li {
  line-height: 1.5;
}
.footer-contact a,
.footer-pages a {
  color: var(--color-text-dark);
  text-decoration: none;
  font-size: var(--text-xs);
  transition: color var(--transition);
}
.footer-contact a:hover,
.footer-pages a:hover {
  color: var(--color-accent);
}
.footer-copy {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin: 0;
  align-self: end;
  text-align: right;
  line-height: 1.5;
}

/* --- Lightbox --- */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0, 0, 0, 0.92);
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.lightbox.active {
  display: flex;
}

.lightbox img {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
  border-radius: var(--border-radius);
}

.lightbox-close {
  position: absolute;
  top: var(--space-lg);
  right: var(--space-xl);
  font-size: 2rem;
  color: #ffffff;
  cursor: pointer;
  min-width: 44px;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* --- Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}

/* --- Responsive --- */
@media (max-width: 992px) {
  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .two-col,
  .portfolio-detail-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .portfolio-info {
    position: static;
  }

  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  h1 { font-size: var(--text-2xl); }
  h2 { font-size: var(--text-xl); }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--space-lg);
  }

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

  .nav-links a {
    font-size: var(--text-base);
  }

  .nav-toggle {
    display: flex;
    z-index: 1001;
  }

  .portfolio-grid {
    grid-template-columns: 1fr;
    gap: var(--space-sm);
  }

  .hero h1 { font-size: var(--text-2xl); }
  .hero { min-height: auto; padding: 100px var(--space-lg) var(--space-2xl); }

  .section { padding: var(--space-2xl) 0; }

  .features-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .about-two-col {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .about-testimonials {
    background-attachment: scroll; /* fixed breaks on mobile */
  }

  .blog-grid {
    grid-template-columns: 1fr;
  }

  .container {
    padding: 0 var(--space-md);
  }
}

@media (max-width: 480px) {
  .hero h1 { font-size: var(--text-xl); }

  .page-header {
    padding: 100px var(--space-md) var(--space-2xl);
  }

  .page-header h1 {
    font-size: var(--text-2xl);
  }
}

/* ========== Portfolio Page ========== */
.works-hero {
  padding: calc(var(--space-4xl) + 80px) var(--space-lg) var(--space-xl);
  text-align: center;
}
.works-hero__title {
  font-family: 'Playfair Display', 'Noto Serif TC', Georgia, serif;
  font-size: clamp(1.125rem, 1.4vw, 1.375rem);
  font-weight: 700;
  letter-spacing: 0;
  line-height: 1.2;
  color: var(--color-text-dark);
  margin: 0;
}
.works-filter {
  padding: 0 var(--space-lg) var(--space-2xl);
}
.filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  max-width: var(--max-width);
  margin: 0 auto;
}
.chip {
  font-family: inherit;
  font-size: var(--text-sm);
  font-weight: 500;
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  color: var(--color-text);
  cursor: pointer;
  transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}
.chip:hover {
  border-color: var(--color-text-dark);
}
.chip.is-active {
  background: var(--color-text-dark);
  color: var(--color-bg);
  border-color: var(--color-text-dark);
}
.works-grid-section {
  padding: 0 var(--space-lg) var(--space-5xl);
}
.works-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2xl);
  max-width: var(--max-width);
  margin: 0 auto;
}
.work-card {
  position: relative;
  display: block;
  text-decoration: none;
  color: inherit;
  overflow: hidden;
  border-radius: var(--border-radius-lg);
  background: var(--color-bg-alt);
}
.work-card__image {
  width: 100%;
  aspect-ratio: 4 / 3;
  background-size: cover;
  background-position: center;
  background-color: var(--color-bg-alt);
  transition: transform 0.5s ease;
}
.work-card:hover .work-card__image {
  transform: scale(1.04);
}
.work-card__overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-xl);
  background: rgba(24, 26, 34, 0.72);
  color: #ffffff;
  opacity: 0;
  transition: opacity 0.35s ease;
}
.work-card:hover .work-card__overlay {
  opacity: 1;
}
.work-card__title {
  font-size: clamp(1.25rem, 2vw, 1.625rem);
  font-weight: 500;
  margin: 0 0 10px;
  color: #ffffff;
  letter-spacing: 0.02em;
}
.work-card__cats {
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.18em;
  color: rgba(255, 255, 255, 0.85);
  margin: 0;
}
.works-empty {
  text-align: center;
  color: var(--color-text-muted);
  padding: var(--space-3xl) 0;
}
@media (max-width: 900px) {
  .works-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-xl); }
}
@media (max-width: 560px) {
  .works-grid { grid-template-columns: 1fr; }
  .filter-chips { justify-content: flex-start; overflow-x: auto; flex-wrap: nowrap; padding-bottom: 4px; }
  .chip { flex-shrink: 0; }
}

.latest-works-footer {
  display: flex;
  justify-content: center;
  padding-top: var(--space-2xl);
}
.view-all-works {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--color-text-dark);
  border-bottom: 1px solid var(--color-text-dark);
  padding-bottom: 4px;
  transition: color 0.25s ease, border-color 0.25s ease, gap 0.25s ease;
}
.view-all-works:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
  gap: 12px;
}