/* ===== DESIGN TOKENS ===== */
:root {
  --clr-primary: #A0C4D8;
  --clr-primary-dark: #7FA9C2;
  --clr-primary-rgb: 160,196,216;
  --clr-text: #2D2926;
  --clr-text-muted: #6B6560;
  --clr-bg: #FFFFFF;
  --clr-bg-alt: #F7F5F2;
  --clr-bg-card: #F2F0EC;
  --clr-bg-footer: #211E1B;
  --clr-border: #E6E2DB;
  --shadow-sm: 0 2px 8px rgba(45,41,38,.06);
  --shadow-md: 0 6px 24px rgba(45,41,38,.10), 0 2px 8px rgba(45,41,38,.06);
  --shadow-lg: 0 16px 48px rgba(45,41,38,.13);
  --radius-sm: 2px;
  --radius-md: 0px;
  --header-h: 76px;
  --section-v: 96px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --font: 'Pretendard', -apple-system, 'Apple SD Gothic Neo', sans-serif;
}

/* ===== RESET / BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font);
  color: var(--clr-text);
  background: var(--clr-bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; font: inherit; }

/* ===== LAYOUT HELPERS ===== */
.container {
  width: min(1120px, 100% - 48px);
  margin-inline: auto;
}
.sec-head {
  text-align: center;
  margin-bottom: 56px;
}
.sec-head .section-label {
  display: inline-block;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--clr-primary-dark);
  background: rgba(var(--clr-primary-rgb), .12);
  padding: 4px 12px;
  border-radius: var(--radius-sm);
  margin-bottom: 14px;
}
.sec-head h2, .sec-head h1 {
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -.02em;
  line-height: 1.25;
  margin-bottom: 12px;
}
.sec-head p {
  color: var(--clr-text-muted);
  font-size: 1rem;
}

/* ===== SCROLL REVEAL ===== */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* ===== HEADER ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  height: var(--header-h);
  background: var(--clr-bg);
  border-bottom: 1px solid var(--clr-border);
  box-shadow: var(--shadow-sm);
}
.header-inner {
  display: flex;
  align-items: center;
  height: 100%;
  gap: 32px;
  width: min(1120px, 100% - 48px);
  margin-inline: auto;
}
.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: -.02em;
  color: var(--clr-text);
  white-space: nowrap;
  flex-shrink: 0;
}
.nav-links {
  display: flex;
  gap: 4px;
  margin-left: auto;
}
.nav-links a {
  padding: 6px 14px;
  font-size: .92rem;
  font-weight: 500;
  color: var(--clr-text);
  border-radius: var(--radius-sm);
  transition: color .2s, background .2s;
  white-space: nowrap;
  position: relative;
}
.nav-links a:hover {
  color: var(--clr-primary-dark);
  background: rgba(var(--clr-primary-rgb), .08);
}
/* Dropdown */
.nav-item { position: relative; }
.nav-item > a { display: flex; align-items: center; gap: 4px; }
.nav-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 200px;
  background: var(--clr-bg);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
  padding: 6px 0;
  z-index: 300;
}
.nav-item:hover .nav-dropdown,
.nav-item:focus-within .nav-dropdown { display: block; }
.nav-dropdown a {
  display: block;
  padding: 9px 18px;
  font-size: .88rem;
  white-space: nowrap;
}
.nav-dropdown a:hover {
  background: var(--clr-bg-alt);
  color: var(--clr-primary-dark);
}
.header-cta {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 20px;
  background: var(--clr-primary);
  color: var(--clr-text) !important;
  font-size: .9rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  transition: background .2s, transform .15s;
}
.header-cta:hover {
  background: var(--clr-primary-dark);
  transform: translateY(-1px);
}
.hamburger-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  background: none;
  border: none;
  padding: 0;
  margin-left: auto;
  cursor: pointer;
}
.hamburger-btn span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--clr-text);
  border-radius: 2px;
  transition: transform .3s var(--ease), opacity .3s;
}
.hamburger-btn.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger-btn.active span:nth-child(2) { opacity: 0; }
.hamburger-btn.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav */
#mobileNav {
  display: none;
  position: fixed;
  top: var(--header-h);
  left: 0; right: 0;
  background: var(--clr-bg);
  border-bottom: 1px solid var(--clr-border);
  padding: 16px 24px 24px;
  z-index: 190;
  box-shadow: var(--shadow-md);
  flex-direction: column;
  gap: 2px;
}
#mobileNav.open { display: flex; }
#mobileNav a {
  padding: 12px 4px;
  font-size: 1rem;
  font-weight: 500;
  border-bottom: 1px solid var(--clr-border);
  color: var(--clr-text);
}
#mobileNav a:last-child { border-bottom: none; }
#mobileNav .mob-cta {
  margin-top: 12px;
  padding: 12px 20px;
  background: var(--clr-primary);
  font-weight: 700;
  text-align: center;
  border-radius: var(--radius-sm);
  border: none;
}

/* ===== FLOATING BTNS ===== */
.floating-btns {
  position: fixed;
  bottom: 32px;
  right: 24px;
  z-index: 300;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 10px;
}
.floating-menu {
  display: flex;
  flex-direction: column;
  gap: 8px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: opacity .25s var(--ease), transform .25s var(--ease);
}
.floating-menu.open {
  opacity: 1;
  pointer-events: auto;
  transform: none;
}
.floating-item {
  display: block;
  padding: 10px 18px;
  background: var(--clr-text);
  color: #fff;
  font-size: .85rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  box-shadow: var(--shadow-md);
  transition: background .2s;
}
.floating-item:hover { background: #444; }
.floating-toggle {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--clr-primary);
  border: none;
  color: var(--clr-text);
  font-size: .78rem;
  font-weight: 800;
  box-shadow: var(--shadow-md);
  transition: background .2s, transform .2s;
}
.floating-toggle:hover { background: var(--clr-primary-dark); transform: scale(1.08); }
.floating-toggle.active { background: var(--clr-text); color: #fff; }

/* ===== HERO ===== */
.hero-section {
  padding: var(--section-v) 0;
  background: var(--clr-bg-alt);
  overflow: hidden;
}
.hero-section .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 64px;
}
.hero-copy { display: flex; flex-direction: column; gap: 24px; }
.hero-h1 {
  font-size: clamp(2.4rem, 5.5vw, 3.6rem);
  font-weight: 900;
  letter-spacing: -.03em;
  line-height: 1.15;
  color: var(--clr-text);
  margin-bottom: -6px;
}
.hero-h1-sub {
  font-size: clamp(2.2rem, 5vw, 3.2rem);
  font-weight: 700;
  color: var(--clr-primary-dark);
  letter-spacing: -.02em;
  margin: 0;
  line-height: 1.15;
}
.hero-sub {
  font-size: 1.05rem;
  color: var(--clr-text-muted);
  line-height: 1.7;
}
.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 12px;
  background: rgba(var(--clr-primary-rgb), .14);
  color: var(--clr-primary-dark);
  font-size: .82rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
}
.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 14px 28px;
  background: var(--clr-primary);
  color: var(--clr-text);
  font-weight: 700;
  font-size: 1rem;
  border-radius: var(--radius-sm);
  transition: background .2s, transform .15s, box-shadow .2s;
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover {
  background: var(--clr-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 13px 28px;
  border: 2px solid var(--clr-border);
  color: var(--clr-text);
  font-weight: 600;
  font-size: 1rem;
  border-radius: var(--radius-sm);
  transition: border-color .2s, background .2s;
}
.btn-outline:hover {
  border-color: var(--clr-primary);
  background: rgba(var(--clr-primary-rgb), .06);
}
.hero-media {
  position: relative;
  border-radius: var(--radius-md);
  overflow: visible;
  box-shadow: var(--shadow-lg);
}
.hero-media figure {
  margin: 0;
  display: flex;
  flex-direction: column;
}
.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 4/3;
  display: block;
  border-radius: var(--radius-md);
}
.hero-media figcaption {
  margin-top: 10px;
  font-size: .82rem;
  color: var(--clr-text-muted);
  text-align: center;
  letter-spacing: .01em;
}

/* ===== PAIN SECTION ===== */
.pain-section {
  padding: var(--section-v) 0;
  background: var(--clr-bg);
}
.pain-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
}
.pain-card {
  padding: 28px 24px;
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  border-top: 3px solid var(--clr-primary);
}
.pain-card .pain-icon {
  font-size: 1.6rem;
  margin-bottom: 12px;
  line-height: 1;
}
.pain-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -.01em;
}
.pain-card p {
  font-size: .88rem;
  color: var(--clr-text-muted);
  line-height: 1.6;
}

/* ===== CASE / PORTFOLIO SECTION ===== */
.rc-case-section {
  padding: var(--section-v) 0;
  background: var(--clr-bg-alt);
}
.rc-case-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}
.rc-case-card {
  background: var(--clr-bg);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow .3s var(--ease), transform .3s var(--ease);
  display: block;
}
.rc-case-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.rc-case-thumb {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
}
.rc-case-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s var(--ease);
}
.rc-case-card:hover .rc-case-thumb img { transform: scale(1.04); }
.rc-case-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--clr-primary);
  color: var(--clr-text);
  font-size: .72rem;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: var(--radius-sm);
}
.rc-case-body {
  padding: 20px 22px 22px;
}
.rc-case-body h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 6px;
  letter-spacing: -.01em;
}
.rc-case-body p {
  font-size: .88rem;
  color: var(--clr-text-muted);
  margin-bottom: 14px;
  line-height: 1.55;
}
.rc-case-more {
  font-size: .82rem;
  font-weight: 600;
  color: var(--clr-primary-dark);
}
.section-more {
  display: flex;
  justify-content: center;
  margin-top: 40px;
}
.btn-more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border: 2px solid var(--clr-border);
  color: var(--clr-text);
  font-weight: 600;
  font-size: .95rem;
  border-radius: var(--radius-sm);
  transition: border-color .2s, background .2s;
}
.btn-more:hover {
  border-color: var(--clr-primary);
  background: rgba(var(--clr-primary-rgb), .06);
}

/* ===== SERVICES SECTION (image overlay 5-col) ===== */
.rc-svc-section {
  padding: var(--section-v) 0;
  background: var(--clr-bg);
}
.rc-svc-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}
.rc-svc-card {
  position: relative;
  aspect-ratio: 3/4;
  overflow: hidden;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  display: block;
}
.rc-svc-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s var(--ease);
}
.rc-svc-card:hover img { transform: scale(1.06); }
.rc-svc-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(45,41,38,.8) 0%, rgba(45,41,38,.1) 55%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 18px 16px;
  color: #fff;
}
.rc-svc-card-overlay h3 {
  font-size: .95rem;
  font-weight: 700;
  margin-bottom: 4px;
  line-height: 1.3;
}
.rc-svc-card-overlay p {
  font-size: .78rem;
  opacity: .8;
  line-height: 1.4;
}

/* ===== GALLERY SECTION ===== */
.rc-gallery-section {
  padding: var(--section-v) 0;
  background: var(--clr-bg-alt);
}
.rc-gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.rc-gallery-card {
  display: block;
  background: var(--clr-bg);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow .3s var(--ease), transform .3s var(--ease);
}
.rc-gallery-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}
.rc-gallery-thumb {
  aspect-ratio: 1/1;
  overflow: hidden;
  position: relative;
}
.rc-gallery-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s var(--ease);
}
.rc-gallery-card:hover .rc-gallery-thumb img { transform: scale(1.05); }
.rc-gallery-body {
  padding: 14px 16px 16px;
}
.rc-gallery-body .pin-row {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: .75rem;
  color: var(--clr-text-muted);
  margin-bottom: 5px;
}
.rc-gallery-body h3 {
  font-size: .9rem;
  font-weight: 600;
  line-height: 1.35;
}

/* ===== PROCESS SECTION ===== */
.rc-process-section {
  padding: var(--section-v) 0;
  background: var(--clr-bg);
}
.rc-steps-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  counter-reset: step;
}
.rc-step {
  padding: 32px 28px;
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  position: relative;
  counter-increment: step;
}
.rc-step::before {
  content: "0" counter(step);
  position: absolute;
  top: 20px;
  right: 22px;
  font-size: 2rem;
  font-weight: 900;
  color: rgba(var(--clr-primary-rgb), .25);
  letter-spacing: -.03em;
  line-height: 1;
}
.rc-step h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: -.01em;
}
.rc-step p {
  font-size: .9rem;
  color: var(--clr-text-muted);
  line-height: 1.6;
}

/* ===== FAQ ===== */
.faq-section {
  padding: var(--section-v) 0;
  background: var(--clr-bg-alt);
}
.faq-list {
  max-width: 760px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.faq-item {
  border-bottom: 1px solid var(--clr-border);
  background: var(--clr-bg);
}
.faq-item:last-child { border-bottom: none; }
.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 20px 24px;
  background: none;
  border: none;
  text-align: left;
  font-size: 1rem;
  font-weight: 600;
  color: var(--clr-text);
  cursor: pointer;
  line-height: 1.5;
}
.faq-q::after {
  content: '+';
  flex-shrink: 0;
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--clr-text-muted);
  transition: transform .3s var(--ease), color .2s;
  line-height: 1;
}
.faq-item.open .faq-q { color: var(--clr-primary-dark); }
.faq-item.open .faq-q::after {
  content: '–';
  color: var(--clr-primary-dark);
}
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s var(--ease);
}
.faq-a p {
  padding: 0 24px 20px;
  font-size: .93rem;
  color: var(--clr-text-muted);
  line-height: 1.7;
}
.faq-item.open .faq-a { max-height: 400px; }

/* ===== CTA SECTION ===== */
.cta-section {
  padding: var(--section-v) 0;
  background: var(--clr-text);
  color: #fff;
  text-align: center;
}
.cta-section .section-label {
  background: rgba(255,255,255,.1);
  color: rgba(255,255,255,.7);
  display: inline-block;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .12em;
  padding: 4px 12px;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
}
.cta-section h2 {
  font-size: clamp(1.7rem, 4vw, 2.4rem);
  font-weight: 900;
  letter-spacing: -.03em;
  margin-bottom: 12px;
}
.cta-sub {
  font-size: 1rem;
  color: rgba(255,255,255,.7);
  margin-bottom: 28px;
}
.trust-badges {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}
.trust-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 6px 14px;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: var(--radius-sm);
  font-size: .85rem;
  font-weight: 600;
}
.cta-btns {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}
.cta-btn-main {
  padding: 15px 36px;
  background: var(--clr-primary);
  color: var(--clr-text);
  font-weight: 700;
  font-size: 1rem;
  border-radius: var(--radius-sm);
  transition: background .2s, transform .15s;
}
.cta-btn-main:hover {
  background: var(--clr-primary-dark);
  transform: translateY(-2px);
}
.cta-btn-sec {
  padding: 14px 36px;
  border: 2px solid rgba(255,255,255,.25);
  color: #fff;
  font-weight: 600;
  font-size: 1rem;
  border-radius: var(--radius-sm);
  transition: border-color .2s, background .2s;
}
.cta-btn-sec:hover {
  border-color: rgba(255,255,255,.5);
  background: rgba(255,255,255,.06);
}

/* ===== FOOTER ===== */
.site-footer {
  background: var(--clr-bg-footer);
  color: rgba(255,255,255,.75);
  padding: 64px 0 0;
}
.footer-inner {
  width: min(1120px, 100% - 48px);
  margin-inline: auto;
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer-brand .brand-name {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.1rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
}
.footer-brand p {
  font-size: .88rem;
  line-height: 1.7;
  color: rgba(255,255,255,.55);
  margin-bottom: 16px;
}
.footer-phone {
  display: inline-block;
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--clr-primary);
  letter-spacing: -.02em;
  transition: color .2s;
}
.footer-phone:hover { color: #fff; }
.footer-col h4 {
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .1em;
  color: rgba(255,255,255,.4);
  text-transform: uppercase;
  margin-bottom: 16px;
}
.footer-col li { margin-bottom: 8px; }
.footer-col a {
  font-size: .88rem;
  color: rgba(255,255,255,.65);
  transition: color .2s;
}
.footer-col a:hover { color: #fff; }
.footer-bottom {
  width: min(1120px, 100% - 48px);
  margin-inline: auto;
  padding: 20px 0 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}
.footer-biz {
  font-size: .8rem;
  color: rgba(255,255,255,.35);
  line-height: 1.6;
}
.footer-copyright {
  font-size: .8rem;
  color: rgba(255,255,255,.3);
}

/* ===== INNER PAGE HERO ===== */
.page-hero {
  padding: 56px 0 48px;
  background: var(--clr-bg-alt);
  border-bottom: 1px solid var(--clr-border);
}
.page-hero .section-label { margin-bottom: 10px; }
.page-hero h1 {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 900;
  letter-spacing: -.03em;
  margin-bottom: 10px;
}
.page-hero p {
  font-size: 1rem;
  color: var(--clr-text-muted);
}

/* ===== GALLERY PAGE ===== */
.gallery-page { padding: var(--section-v) 0; }
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

/* ===== PORTFOLIO DETAIL PAGE ===== */
.detail-page { padding: var(--section-v) 0; }
.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.detail-images { display: flex; flex-direction: column; gap: 16px; }
.detail-img-wrap { border-radius: var(--radius-md); overflow: hidden; }
.detail-img-wrap img { width: 100%; }
.detail-label {
  display: inline-block;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .08em;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
}
.label-before { background: rgba(45,41,38,.08); color: var(--clr-text-muted); }
.label-after { background: rgba(var(--clr-primary-rgb), .15); color: var(--clr-primary-dark); }
.detail-info { display: flex; flex-direction: column; gap: 24px; }
.detail-info h1 {
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 800;
  letter-spacing: -.02em;
}
.detail-info .desc {
  color: var(--clr-text-muted);
  font-size: .95rem;
  line-height: 1.75;
}
.detail-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.detail-meta-item {
  padding: 14px 16px;
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
}
.detail-meta-item .meta-label {
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--clr-text-muted);
  text-transform: uppercase;
  margin-bottom: 4px;
}
.detail-meta-item .meta-val {
  font-size: .92rem;
  font-weight: 600;
}
.detail-checklist { display: flex; flex-direction: column; gap: 8px; }
.detail-checklist li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .92rem;
}
.detail-checklist li svg { flex-shrink: 0; color: var(--clr-primary-dark); }
.detail-process-imgs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.detail-process-imgs img {
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: var(--radius-md);
}
.detail-nav {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  padding-top: 16px;
  border-top: 1px solid var(--clr-border);
}
.detail-nav-btn {
  padding: 10px 22px;
  border: 2px solid var(--clr-border);
  border-radius: var(--radius-sm);
  font-size: .9rem;
  font-weight: 600;
  transition: border-color .2s, background .2s;
}
.detail-nav-btn:hover { border-color: var(--clr-primary); background: rgba(var(--clr-primary-rgb), .06); }
.detail-nav-btn.primary-btn {
  background: var(--clr-primary);
  border-color: var(--clr-primary);
}
.detail-nav-btn.primary-btn:hover { background: var(--clr-primary-dark); border-color: var(--clr-primary-dark); }

/* ===== CONSULTATION PAGE ===== */
.consult-page { padding: var(--section-v) 0; }
.consult-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.consult-info { display: flex; flex-direction: column; gap: 28px; }
.contact-box {
  padding: 28px;
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
}
.contact-box h3 { font-size: 1rem; font-weight: 700; margin-bottom: 6px; }
.contact-box .phone-link {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--clr-primary-dark);
  letter-spacing: -.02em;
}
.contact-box .hours {
  font-size: .85rem;
  color: var(--clr-text-muted);
  margin-top: 6px;
}
.consult-steps { display: flex; flex-direction: column; gap: 16px; }
.consult-step {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.consult-step-num {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  background: var(--clr-primary);
  color: var(--clr-text);
  font-weight: 800;
  font-size: .9rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}
.consult-step-body h4 { font-size: .95rem; font-weight: 700; margin-bottom: 3px; }
.consult-step-body p { font-size: .85rem; color: var(--clr-text-muted); line-height: 1.55; }
.consult-form-wrap {
  padding: 32px;
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
}
.consult-form-wrap h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 20px; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: .85rem; font-weight: 600; margin-bottom: 6px; }
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  font: inherit;
  font-size: .9rem;
  background: var(--clr-bg);
  color: var(--clr-text);
  transition: border-color .2s;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--clr-primary);
}
.form-group textarea { resize: vertical; min-height: 100px; }
.form-submit {
  width: 100%;
  padding: 13px;
  background: var(--clr-primary);
  color: var(--clr-text);
  font-weight: 700;
  font-size: 1rem;
  border: none;
  border-radius: var(--radius-sm);
  transition: background .2s;
}
.form-submit:hover { background: var(--clr-primary-dark); }
.form-note { font-size: .78rem; color: var(--clr-text-muted); margin-top: 10px; }
.consult-img img {
  border-radius: var(--radius-md);
  width: 100%;
  margin-bottom: 12px;
}

/* ===== NSEO PAGE ===== */
.nseo-hero {
  position: relative;
  min-height: 300px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}
.nseo-hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.04);
  filter: brightness(.7) saturate(.9);
}
.nseo-hero-ov {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(33,30,27,.75) 0%, rgba(33,30,27,.2) 60%, transparent 100%);
}
.nseo-hero-content {
  position: relative;
  padding-top: calc(var(--header-h) + 40px);
  padding-bottom: 40px;
}
.nseo-hero-content p {
  color: rgba(255,255,255,.75);
  font-size: .95rem;
  margin: 8px 0 20px;
}
.nseo-hero-content a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--clr-primary);
  color: #fff;
  font-weight: 700;
  font-size: .88rem;
  padding: 10px 22px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: background .2s;
}
.nseo-hero-content a:hover { background: var(--clr-primary-dark); }
.nseo-body { padding: var(--section-v) 0; }
.nseo-content {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 48px;
  align-items: start;
}
.nseo-article { display: flex; flex-direction: column; gap: 32px; }
.nseo-article h2 { font-size: 1.3rem; font-weight: 700; margin-bottom: 12px; }
.nseo-article p { color: var(--clr-text-muted); font-size: .95rem; line-height: 1.75; }
.nseo-article ul { display: flex; flex-direction: column; gap: 8px; margin-top: 12px; }
.nseo-article li {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  font-size: .92rem;
  color: var(--clr-text-muted);
}
.nseo-article li::before {
  content: '✓';
  color: var(--clr-primary-dark);
  font-weight: 700;
  flex-shrink: 0;
}
.nseo-sidebar { position: sticky; top: calc(var(--header-h) + 24px); }
.nseo-cta-box {
  padding: 28px;
  background: var(--clr-text);
  border-radius: var(--radius-md);
  color: #fff;
  text-align: center;
}
.nseo-cta-box h3 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.nseo-cta-box p { font-size: .85rem; color: rgba(255,255,255,.65); margin-bottom: 20px; }
.nseo-cta-box a {
  display: block;
  padding: 12px;
  background: var(--clr-primary);
  color: var(--clr-text);
  font-weight: 700;
  border-radius: var(--radius-sm);
  margin-bottom: 10px;
  transition: background .2s;
}
.nseo-cta-box a:hover { background: var(--clr-primary-dark); }
.nseo-img { border-radius: var(--radius-md); margin-bottom: 16px; width: 100%; }

/* ===== SITEMAP PAGE ===== */
.sitemap-page-section { padding: var(--section-v) 0; }
.sitemap-search {
  display: block;
  width: 100%;
  max-width: 440px;
  padding: 10px 16px;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  font: inherit;
  font-size: .95rem;
  margin-bottom: 40px;
}
.sitemap-search:focus { outline: none; border-color: var(--clr-primary); }
.sitemap-group { margin-bottom: 40px; }
.sitemap-group h2 {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--clr-text-muted);
  text-transform: uppercase;
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--clr-border);
}
.sitemap-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 12px;
}
.sitemap-card {
  display: block;
  padding: 14px 18px;
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  font-size: .9rem;
  font-weight: 500;
  transition: border-color .2s, background .2s;
}
.sitemap-card:hover {
  border-color: var(--clr-primary);
  background: rgba(var(--clr-primary-rgb), .06);
}

/* ===== 404 PAGE ===== */
.page-404 {
  min-height: calc(100vh - var(--header-h));
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 80px 24px;
  background: var(--clr-bg-alt);
}
.page-404 .err-code {
  font-size: clamp(5rem, 15vw, 9rem);
  font-weight: 900;
  color: rgba(var(--clr-primary-rgb), .3);
  line-height: 1;
  letter-spacing: -.05em;
}
.page-404 h1 { font-size: clamp(1.3rem, 3vw, 1.8rem); font-weight: 700; margin: 16px 0 12px; }
.page-404 p { color: var(--clr-text-muted); margin-bottom: 28px; }

/* ===== PORTFOLIO DETAIL ===== */
:root { --card-radius: var(--radius-md); }

.pd-hero {
  position: relative;
  min-height: 340px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}
.pd-hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.04);
  filter: brightness(.75) saturate(.9);
}
.pd-hero-ov {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(33,30,27,.75) 0%, rgba(33,30,27,.2) 60%, transparent 100%);
}
.pd-hero-content {
  position: relative;
  padding-top: calc(var(--header-h) + 48px);
  padding-bottom: 48px;
}
.pd-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: rgba(255,255,255,.8);
  font-size: .82rem;
  text-decoration: none;
  margin-bottom: 14px;
  transition: color .2s;
}
.pd-back:hover { color: #fff; }
.page-h1 {
  font-size: clamp(1.5rem, 3.5vw, 2.4rem);
  font-weight: 900;
  color: #fff;
  letter-spacing: -.03em;
  line-height: 1.2;
  margin: 0 0 10px;
}
.pd-sub {
  color: rgba(255,255,255,.75);
  font-size: .95rem;
  margin: 0;
}

.pd-info-bar {
  background: var(--clr-bg-card);
  border-bottom: 1px solid var(--clr-border);
}
.pd-info-inner {
  width: min(1120px, 100% - 48px);
  margin: 0 auto;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0;
}
.pd-info-item {
  flex: 1 1 160px;
  padding: 18px 20px;
  border-right: 1px solid var(--clr-border);
}
.pd-info-item:last-child { border-right: none; }
.pd-info-label {
  font-size: .72rem;
  font-weight: 700;
  color: var(--clr-text-muted);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: 4px;
}
.pd-info-val {
  font-size: .9rem;
  font-weight: 600;
  color: var(--clr-text);
}

.pd-article {
  max-width: 720px;
  margin: 0 auto;
  padding: 56px 0;
}
.pd-article h2 {
  font-size: 1.2rem;
  font-weight: 800;
  margin: 0 0 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--clr-primary);
  display: inline-block;
}
.pd-article p {
  color: var(--clr-text-muted);
  line-height: 1.8;
  margin: 0 0 14px;
}

.pd-process {
  background: var(--clr-bg-alt);
  padding: var(--section-v) 0;
}
.pd-process h2 {
  font-size: 1.2rem;
  font-weight: 800;
  margin: 0 0 32px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--clr-primary);
  display: inline-block;
}
.pd-steps { display: flex; flex-direction: column; gap: 32px; }
.pd-step {
  display: flex;
  gap: 24px;
  align-items: flex-start;
}
.pd-step-num {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  background: var(--clr-primary);
  color: #fff;
  font-size: .85rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
}
.pd-step-body {
  flex: 1;
  min-width: 0;
}
.pd-step-body h3 {
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 6px;
}
.pd-step-body p {
  color: var(--clr-text-muted);
  font-size: .9rem;
  line-height: 1.7;
  margin: 0;
}
.pd-step-imgs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 12px;
}
.pd-step-imgs img {
  width: 320px;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

.pd-ba {
  padding: var(--section-v) 0 40px;
  border-top: 1px solid var(--clr-border);
}
.pd-ba-head {
  max-width: 720px;
  margin: 0 auto 28px;
}
.pd-ba-head h2 {
  font-size: 1.2rem;
  font-weight: 800;
  margin: 0 0 8px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--clr-primary);
  display: inline-block;
}
.pd-ba-head p {
  color: var(--clr-text-muted);
  font-size: .9rem;
  line-height: 1.7;
  margin: 0;
}
.pd-ba-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
}
.pd-ba-img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  display: block;
}

.pd-summary {
  padding: 40px 0;
}
.pd-summary-box {
  background: var(--clr-bg-alt);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  padding: 28px 32px;
  max-width: 720px;
  width: 100%;
  margin: 0 auto;
}
.pd-img-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}
.pd-img-grid img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  display: block;
}
.pd-summary-box h3 {
  font-size: 1rem;
  font-weight: 800;
  margin: 0 0 16px;
  color: var(--clr-text);
}
.pd-summary-box ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.pd-summary-box li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: .9rem;
  color: var(--clr-text-muted);
  line-height: 1.6;
}
.pd-summary-box li svg { flex-shrink: 0; margin-top: 3px; }

.pd-cta {
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  padding: 40px 36px;
  margin: 40px 0;
  text-align: center;
}
.pd-cta h2 {
  font-size: 1.3rem;
  font-weight: 800;
  margin: 0 0 8px;
}
.pd-cta p {
  color: var(--clr-text-muted);
  font-size: .9rem;
  margin: 0 0 24px;
}
.pd-cta-btns {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}
.btn-tel {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--clr-primary);
  color: #fff;
  font-weight: 700;
  font-size: .9rem;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: background .2s;
}
.btn-tel:hover { background: var(--clr-primary-dark); }
.btn-blog {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--clr-text);
  font-weight: 600;
  font-size: .9rem;
  padding: 12px 28px;
  border: 1.5px solid var(--clr-border);
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: border-color .2s, background .2s;
}
.btn-blog:hover { border-color: var(--clr-primary); background: var(--clr-bg-alt); }

.pd-related {
  padding: 32px 0 56px;
  border-top: 1px solid var(--clr-border);
}
.pd-related h3 {
  font-size: .85rem;
  font-weight: 700;
  color: var(--clr-text-muted);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin: 0 0 14px;
}
.pd-related-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.pd-related-links a {
  font-size: .82rem;
  color: var(--clr-text-muted);
  text-decoration: none;
  padding: 6px 14px;
  border: 1px solid var(--clr-border);
  border-radius: 999px;
  transition: color .2s, border-color .2s;
}
.pd-related-links a:hover { color: var(--clr-primary-dark); border-color: var(--clr-primary); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .rc-svc-grid { grid-template-columns: repeat(3, 1fr); }
  .rc-gallery-grid { grid-template-columns: repeat(3, 1fr); }
  .detail-grid, .consult-grid { grid-template-columns: 1fr; }
  .nseo-content { grid-template-columns: 1fr; }
  .nseo-sidebar { position: static; }
}
@media (max-width: 768px) {
  :root { --section-v: 64px; }
  .nav-links, .header-cta { display: none; }
  .hamburger-btn { display: flex; }
  .hero-section .container { grid-template-columns: 1fr; gap: 36px; }
  .hero-media { order: -1; aspect-ratio: 16/9; }
  .rc-case-grid { grid-template-columns: 1fr; }
  .rc-svc-grid { grid-template-columns: repeat(2, 1fr); }
  .rc-gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .rc-steps-row { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  /* portfolio detail */
  .pd-hero-content { padding-top: calc(var(--header-h) + 24px); padding-bottom: 32px; }
  .pd-info-inner { flex-direction: column; }
  .pd-info-item { border-right: none; border-bottom: 1px solid var(--clr-border); padding: 14px 0; }
  .pd-info-item:last-child { border-bottom: none; }
  .pd-step { flex-direction: column; gap: 12px; }
  .pd-step-imgs img { width: 100%; height: auto; aspect-ratio: 8/5; }
  .pd-cta { padding: 28px 20px; margin: 24px 0; }
  .nseo-content { grid-template-columns: 1fr; }
  .nseo-sidebar { position: static; }
  .nseo-hero-content { padding-top: calc(var(--header-h) + 20px); padding-bottom: 28px; }
  .pd-cta-btns { flex-direction: column; }
  .btn-tel, .btn-blog { width: 100%; justify-content: center; }
}
@media (max-width: 480px) {
  .rc-svc-grid { grid-template-columns: 1fr; }
  .rc-gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-h1 { font-size: 1.75rem; }
  .consult-form-wrap { padding: 20px; }
  .pd-ba-grid { grid-template-columns: 1fr 1fr; }
  .pd-related { padding: 24px 0 40px; }
}