/* =========================================================
   SISO MEDIA — RESPONSIVE FOUNDATION
   Single source of truth for layout + responsive behavior
   ========================================================= */

:root {
  --siso-bg: #212124;
  --siso-text: #f4f4f2;
  --siso-muted: #9a9a9f;
  --siso-line: rgba(255,255,255,.13);
  --siso-max: 1500px;

  --page-gutter: clamp(16px, 4vw, 40px);
  --section-space: clamp(64px, 8vw, 110px);
  --header-h: clamp(68px, 5.5vw, 78px);
}

html {
  scroll-behavior: smooth;
  overflow-y: scroll;
  scrollbar-gutter: stable;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--siso-bg);
  color: var(--siso-text);
}

#preloader, #status, .textload { display: none !important; }

.body-wrapper {
  padding-top: var(--header-h);
  overflow: clip;
}

.siso-wrap {
  width: min(calc(100% - (var(--page-gutter) * 2)), var(--siso-max));
  margin-inline: auto;
}

/* =========================================================
   HEADER
   ========================================================= */
.siso-topbar {
  position: fixed;
  z-index: 100000;
  inset: 0 0 auto 0;
  height: var(--header-h);
  margin: 0;
  padding: 0;
  border: 0;
  background: var(--siso-bg);
}

.siso-topbar-inner {
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0 var(--page-gutter);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
}

.siso-topbar-logo {
  grid-column: 1;
  grid-row: 1;
  justify-self: start;
  display: block;
  line-height: 0;
}

.siso-topbar-logo img {
  display: block;
  width: 100px;
  height: auto;
  max-width: none;
  max-height: none;
  margin: 0;
  padding: 0;
}

.siso-topbar-menu {
  grid-column: 2;
  grid-row: 1;
  justify-self: center;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(16px, 2.4vw, 34px);
  margin: 0;
  padding: 0;
  list-style: none;
  white-space: nowrap;
}

.siso-topbar-menu li {
  display: block;
  float: none;
  margin: 0;
  padding: 0;
  line-height: 1;
}

.siso-topbar-menu a {
  display: block;
  margin: 0;
  padding: 0;
  color: #fff;
  background: transparent;
  font-family: 'Montserrat', sans-serif;
  font-size: 12px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0;
  text-transform: uppercase;
  text-decoration: none;
}

.siso-topbar-menu a:hover,
.siso-topbar-menu .is-current > a { color: #70aed2; }

@media (max-width: 599px) {
  :root { --header-h: 100px; }
  .siso-topbar-inner {
    grid-template-rows: 56px 44px;
  }
  .siso-topbar-menu {
    grid-column: 1 / -1;
    grid-row: 2;
    align-self: start;
    padding-top: 8px;
  }
}

/* =========================================================
   COMMON TYPOGRAPHY / SECTION
   ========================================================= */
.siso-kicker {
  margin: 0 0 clamp(14px, 1.5vw, 20px);
  font-family: 'Montserrat', sans-serif;
  font-size: 12px;
  line-height: 1.3;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--siso-muted);
}

.siso-section {
  padding-block: var(--section-space);
  border-top: 1px solid var(--siso-line);
}

.siso-section-head {
  display: flex;
  justify-content: space-between;
  gap: 30px;
  align-items: baseline;
  margin-bottom: clamp(28px, 3vw, 42px);
}

.siso-section-title {
  margin: 0;
  color: var(--siso-text);
  font-size: clamp(30px, 4vw, 58px);
  line-height: .98;
  letter-spacing: -.045em;
  text-transform: uppercase;
}

.siso-link {
  color: var(--siso-text);
  font-family: 'Montserrat', sans-serif;
  font-size: 12px;
  letter-spacing: .1em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--siso-line);
  padding-bottom: 4px;
}

.siso-link:hover { color: #fff; }

/* =========================================================
   HERO — ROBOTO MONO / SIMPLE WORD LAYOUT

   Desktop/tablet:
     MOTION
     DESIGN   STUDIO

   Mobile:
     MOTION
     DESIGN
     STUDIO
   ========================================================= */

.siso-hero {
  min-height: 0;
  display: flex;
  align-items: flex-end;

  padding-block:
    clamp(24px, 2.5vw, 36px)
    clamp(26px, 2.5vw, 35px);
}

.siso-hero-title {
  margin: 0;

  color: var(--siso-text);

  font-family: 'Roboto Mono', 'Courier New', monospace !important;
  font-weight: 700 !important;

  font-size: clamp(44px, 7.4vw, 118px);
  line-height: .94;

  letter-spacing: 0 !important;
  text-transform: uppercase;

  font-variant-ligatures: none;
  font-feature-settings: "liga" 0, "calt" 0;
}


/* Each title line */
.siso-title-line {
  display: flex;
  align-items: baseline;

  width: max-content;
  max-width: 100%;
}


/* DESIGN + STUDIO line */
.siso-title-line--pair {
  gap: .38em;
}


/* MOTION / DESIGN / STUDIO */
.siso-title-word {
  display: inline-block;

  width: auto;
  min-width: 0;
  max-width: none;

  margin: 0;
  padding: 0;

  font-family: 'Roboto Mono', 'Courier New', monospace !important;
  font-weight: 700 !important;

  /* 현재 기준: 자간 추가/압축 없음 */
  letter-spacing: 0 !important;

  white-space: nowrap;
}


/* Hero small meta text */
.siso-hero-meta {
  margin-top: clamp(18px, 2vw, 30px);

  color: var(--siso-muted);

  font-family: 'Montserrat', sans-serif;
  font-size: 12px;
  line-height: 1.3;

  letter-spacing: .13em;
  text-transform: uppercase;
}


/* =========================================================
   MOBILE
   ========================================================= */

@media (max-width: 767px) {

  .siso-hero {
    min-height: 0;

    padding-block:
      clamp(24px, 2.5vw, 36px)
      clamp(24px, 6vw, 38px);
  }

  .siso-hero-title {
    font-size: clamp(44px, 7.4vw, 118px);
    line-height: .94;
  }

  /* DESIGN / STUDIO → 2 lines */
  .siso-title-line--pair {
    flex-direction: column;
    gap: 0;
  }

  .siso-hero-meta {
    margin-top: clamp(18px, 5vw, 28px);
  }
}
#selected-work { padding-top: clamp(58px, 7vw, 82px); }

/* =========================================================
   WORK
   ========================================================= */
.siso-work-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(28px, 3vw, 34px) clamp(16px, 2vw, 24px);
}

.siso-project {
  grid-column: span 6;
  min-width: 0;
  color: inherit;
}

.siso-project--wide { grid-column: 1 / -1; }

.siso-project-media {
  position: relative;
  overflow: hidden;
  background: #171719;
  aspect-ratio: 16 / 9;
}

.siso-project-media img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  transition: transform .5s ease, opacity .3s ease;
}

.siso-project:hover img { transform: scale(1.015); opacity: .9; }

.siso-project-meta {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding-top: 12px;
  color: var(--siso-muted);
  font-size: 12px;
  line-height: 1.5;
  text-transform: uppercase;
  letter-spacing: .05em;
}

.siso-project-name { color: var(--siso-text); }

/* =========================================================
   SERVICES / CLIENTS / ABOUT / CONTACT
   ========================================================= */
.siso-services {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--siso-line);
}

.siso-service {
  min-height: 0;
  padding: clamp(28px, 3vw, 42px) 32px clamp(28px, 3vw, 42px) 0;
  border-bottom: 1px solid var(--siso-line);
}

.siso-service:nth-child(odd) { border-right: 1px solid var(--siso-line); }
.siso-service:nth-child(even) { padding-left: 34px; }

.siso-service h3 {
  margin: 0 0 16px;
  color: var(--siso-text);
  font-size: clamp(25px, 3vw, 42px);
  line-height: 1;
  letter-spacing: -.035em;
  text-transform: uppercase;
}

.siso-service p {
  max-width: 440px;
  margin: 0;
  color: var(--siso-muted);
  font-size: 15px;
  line-height: 1.65;
}

.siso-client-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--siso-line);
  border-left: 1px solid var(--siso-line);
}

.siso-client {
  min-height: clamp(82px, 8vw, 105px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(15px, 2vw, 22px);
  border-right: 1px solid var(--siso-line);
  border-bottom: 1px solid var(--siso-line);
  color: #77777d;
  font-family: 'Montserrat', sans-serif;
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
  text-align: center;
}

.siso-about-copy {
  max-width: 950px;
  margin: 0;
  color: var(--siso-text);
  font-size: clamp(27px, 4vw, 56px);
  line-height: 1.15;
  letter-spacing: -.04em;
  word-break: keep-all;
}

.siso-contact {
  padding-block: clamp(75px, 9vw, 120px) clamp(90px, 11vw, 150px);
  border-top: 1px solid var(--siso-line);
}

.siso-contact-title {
  margin: 0 0 35px;
  color: var(--siso-text);
  font-size: clamp(54px, 10vw, 145px);
  line-height: .83;
  letter-spacing: -.07em;
  text-transform: uppercase;
}

.siso-contact-mail {
  display: inline-block;
  color: var(--siso-text);
  font-size: clamp(17px, 2vw, 25px);
  border-bottom: 1px solid var(--siso-text);
  padding-bottom: 6px;
}

body.siso-home .navbar { background: rgba(29,29,33,.88); }

/* =========================================================
   RESPONSIVE TRANSITIONS
   Only structural changes live in media queries.
   All sizing remains fluid above/below them.
   ========================================================= */
@media (max-width: 991px) {
  .siso-client-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 767px) {


  .siso-section-head { display: block; }
  .siso-section-head .siso-link { display: inline-block; margin-top: 18px; }


  .siso-work-grid { grid-template-columns: 1fr; gap: 38px; }
  .siso-project, .siso-project--wide { grid-column: 1; }

  .siso-services { grid-template-columns: 1fr; }
  .siso-service,
  .siso-service:nth-child(even) {
    min-height: 0;
    padding: 28px 0;
    border-right: 0;
  }
  .siso-service h3 { margin-top: 0; }

  .siso-client-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* Protect redesign colors from legacy Lydia rules. */
:root { color-scheme: dark; }

.siso-hero-title,
.siso-section-title,
.siso-service h3,
.siso-about-copy,
.siso-contact-title,
.siso-project-name,
.work-page-title,
.siso-link,
.siso-link:visited {
  color: var(--siso-text);
  -webkit-text-fill-color: var(--siso-text);
}

.siso-kicker,
.siso-hero-meta,
.siso-project-meta,
.work-card-meta {
  color: var(--siso-muted);
  -webkit-text-fill-color: var(--siso-muted);
}

/* Studio introduction and inquiry copy */
.siso-hero-intro {
  margin: clamp(24px, 3vw, 36px) 0 0;
  color: var(--siso-text);
  font-size: clamp(16px, 1.8vw, 22px);
  line-height: 1.65;
  word-break: keep-all;
  overflow-wrap: break-word;
}
.siso-description {
  max-width: 760px;
  margin-top: 28px;
  color: var(--siso-muted);
  font-size: clamp(15px, 1.4vw, 18px);
  line-height: 1.8;
  word-break: keep-all;
  overflow-wrap: break-word;
}
.siso-description p { margin: 0 0 16px; }
.siso-description p:last-child { margin-bottom: 0; }
.siso-contact-description { margin: 0 0 32px; }
.siso-service p { word-break: keep-all; overflow-wrap: break-word; }

/* Shared footer */
.footer .sub-footer .container.inner { width:100%; max-width:none; margin:0 auto; padding:28px 24px; }
.footer .sub-footer p { margin:0; text-align:center; font-size:13px; line-height:1.6; color:var(--siso-muted); }
.footer .sub-footer { background:var(--siso-bg); border-top:1px solid var(--siso-line); }

/* Keep long project labels within narrow cards. */
.siso-project-meta { flex-wrap:wrap; }
.siso-project-meta > span { min-width:0; overflow-wrap:anywhere; }