/* SpaceBridge V50 responsive polish
   Loaded after the consolidated v50 stylesheet. This file only corrects
   hierarchy, responsive composition and low-noise interaction states. */

:root {
  --sb50-ink: #16233a;
  --sb50-copy: #5a6b84;
  --sb50-blue: #075f9c;
  --sb50-blue-strong: #075f96;
  --sb50-sky: #f3f8fc;
  --sb50-line: #d7e3ea;
  --sb50-white: #fff;
  --sb50-radius: 18px;
  --sb50-ease: cubic-bezier(.22, 1, .36, 1);
  --sb50-shadow: 0 12px 32px rgba(20, 62, 94, .08);
}

html,
body {
  max-width: 100%;
  overflow-x: clip;
}

body,
button,
input,
select,
textarea {
  font-family: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body {
  color: var(--sb50-ink);
  font-weight: 400;
}

/* Keep the background system to two calm surfaces. */
.situation,
.condition-lab,
.process,
.pricing,
.insights,
.faq,
.partnership {
  background: var(--sb50-white) !important;
}

.categories,
.quote,
.tools {
  background: var(--sb50-sky) !important;
}

.section {
  padding-block: clamp(76px, 8vw, 112px);
}

.section-head {
  margin-bottom: clamp(32px, 4vw, 48px);
}

.section-head h2,
.quote-intro h2,
.partner-copy h2 {
  color: var(--sb50-ink);
  font-weight: 680;
  letter-spacing: -.035em;
}

.section-head > p,
.split-head > p,
.hero-lede,
.service-card p,
.sb46-category-output > p {
  color: var(--sb50-copy);
}

.header-inner > .header-cta + .header-cta {
  display: none;
}

/* One restrained connection stroke after the logo arrives. */
.brand-type {
  position: relative;
}

.brand-type::after {
  position: absolute;
  right: -46px;
  bottom: -7px;
  width: 40px;
  height: 2px;
  content: "";
  border-radius: 50px;
  background: linear-gradient(90deg, var(--sb50-blue), #39bde5 72%, transparent);
  opacity: 0;
  transform: scaleX(0);
  transform-origin: left;
}

body.sb-v50-logo-linking .brand-type::after {
  animation: sb50-logo-connect .82s .16s var(--sb50-ease) both;
}

/* Hero: copy and CTA remain the first decision, photo is supporting evidence. */
.hero {
  padding: 48px 0 64px;
  background: linear-gradient(180deg, #fff 0%, var(--sb50-sky) 100%);
}

.hero-grid {
  min-height: 600px;
  border-color: rgba(216, 229, 238, .85);
  border-radius: 24px;
  box-shadow: 0 18px 52px rgba(20, 62, 94, .09);
}

.hero-copy {
  width: 51%;
  min-height: 600px;
  padding: 52px 28px 52px 52px;
}

.hero h1 {
  max-width: 610px;
  font-size: clamp(42px, 4vw, 56px);
  font-weight: 690;
  line-height: 1.12;
}

.hero-lede {
  max-width: 570px;
  margin-top: 22px;
  font-size: 17px;
  line-height: 1.72;
}

.hero-contact-actions {
  grid-template-columns: minmax(148px, 1fr) minmax(170px, 1fr);
  max-width: 410px;
  gap: 12px;
}

.hero-contact-actions .button {
  min-height: 50px;
  border-radius: 12px;
  font-weight: 680;
}

.hero-category-link {
  min-height: 44px;
  align-items: center;
}

.hero-visual img {
  object-position: 69% center;
}

.image-disclosure {
  position: absolute;
  right: 14px;
  bottom: 12px;
  z-index: 2;
  max-width: calc(100% - 28px);
  padding: 6px 9px;
  border-radius: 7px;
  background: rgba(15, 37, 61, .78);
  color: #fff;
  font-size: 11px;
  font-weight: 520;
  line-height: 1.35;
}

.sb46-sheet {
  right: 24px;
  bottom: 24px;
  width: min(336px, 31%);
  padding: 18px;
  border-color: rgba(216, 229, 238, .9);
  border-radius: 16px;
  background: rgba(255, 255, 255, .95);
  box-shadow: var(--sb50-shadow);
}

.sb46-sheet dl > div {
  padding: 10px 0;
}

.sb46-sheet h2 {
  font-weight: 650;
}

/* Journey reads as one continuous path, without boxed visual noise. */
.sb45-journey ol {
  padding: 18px 20px;
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

.sb45-journey li {
  border-color: var(--sb50-line);
}

/* Situation: equal-height choices and a quieter result panel. */
.situation-layout {
  grid-template-columns: minmax(320px, .8fr) minmax(0, 1.2fr);
  gap: 40px;
}

.situation-tabs {
  align-content: stretch;
}

.situation-tab {
  min-height: 92px;
  padding: 18px 8px;
}

.situation-tab:hover,
.situation-tab.active {
  padding-left: 14px;
  background: var(--sb50-sky);
}

.situation-panel {
  min-height: 416px;
  border-radius: var(--sb50-radius);
  box-shadow: none;
  background:
    linear-gradient(90deg, rgba(255,255,255,.97) 0%, rgba(255,255,255,.91) 38%, rgba(255,255,255,.14) 70%),
    url('/assets/v42/situation-spacebridge-v42.webp') 68% center / cover no-repeat;
}

/* Category preview is the active detail; the 8-card grid stays uniform. */
.sb46-category-switcher {
  gap: 8px;
  margin-bottom: 18px;
}

.sb46-category-switcher button {
  min-height: 46px;
  border-radius: 12px;
  font-weight: 600;
}

.sb46-category-stage {
  grid-template-columns: minmax(0, 1.25fr) minmax(330px, .75fr);
  min-height: 400px;
  margin-bottom: 40px;
  border-color: var(--sb50-line);
  border-radius: var(--sb50-radius);
  box-shadow: var(--sb50-shadow);
}

.sb46-category-stage.is-switching .sb46-category-photo img,
.sb46-category-stage.is-switching .sb46-category-output > * {
  animation: sb50-stage-change .32s var(--sb50-ease) both;
}

.sb46-category-photo {
  min-height: 400px;
}

.sb46-category-photo img {
  object-position: center;
}

.sb46-category-photo figcaption {
  left: 18px;
  bottom: 18px;
  max-width: calc(100% - 36px);
  border-radius: 8px;
  background: rgba(15, 37, 61, .78);
  font-weight: 520;
}

.sb46-category-output {
  padding: 34px;
}

.sb46-category-output h3 {
  font-weight: 660;
}

.category-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
  grid-auto-rows: 1fr;
}

.service-card {
  height: 100%;
  border-color: var(--sb50-line);
  border-radius: 16px;
  box-shadow: var(--shadow-m);
}

.service-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--sb50-shadow);
}

.service-card figure {
  aspect-ratio: 16 / 10;
}

.service-body {
  min-height: 250px;
  padding: 22px 20px 20px;
}

.service-card h3 {
  min-height: 2.64em;
  font-weight: 650;
}

.service-card p {
  min-height: 4.95em;
}

.service-links {
  gap: 8px;
  padding-top: 14px;
}

.service-links a,
.service-links button {
  min-height: 44px;
  font-weight: 650;
}

.extension-row {
  border-top-color: var(--sb50-line);
}

.category-image-disclosure {
  margin: 16px 0 0;
  color: var(--sb50-copy);
  font-size: 12px;
  line-height: 1.55;
  text-align: right;
}

.image-disclosure,
.quote-trust-photo figcaption,
.partner-team-photo figcaption {
  font-size: 12px;
}

.consent a,
.third-party-later a {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  padding-inline: 2px;
}

.third-party-later {
  margin-top: 14px;
  padding: 14px 16px;
  border: 1px solid var(--sb50-line);
  border-radius: 12px;
  background: #f7fbfd;
  color: #526a7c;
  font-size: 13px;
  line-height: 1.65;
}

.condition-questions summary,
.faq-list summary {
  min-height: 44px;
}

/* The consultation and partner sections use one purposeful photograph each.
   Captions keep generated scenes distinguishable from real customer cases. */
.quote-trust-photo,
.partner-team-photo {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--sb50-line);
  border-radius: 16px;
  background: #eaf7fc;
  box-shadow: var(--shadow-m);
}

.quote-trust-photo {
  aspect-ratio: 16 / 6.2;
  margin-top: 30px;
}

.partner-team-photo {
  grid-column: 1 / -1;
  aspect-ratio: 24 / 6.7;
  margin-bottom: 4px;
}

.quote-trust-photo img,
.partner-team-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.quote-trust-photo img {
  object-position: 52% center;
}

.partner-team-photo img {
  object-position: 64% center;
}

.quote-trust-photo figcaption,
.partner-team-photo figcaption {
  position: absolute;
  right: 12px;
  bottom: 10px;
  max-width: calc(100% - 24px);
  padding: 5px 8px;
  border-radius: 7px;
  background: rgba(15, 37, 61, .8);
  color: #fff;
  font-size: 12px;
  font-weight: 520;
  line-height: 1.35;
}

.partner-brief {
  grid-column: 1 / -1;
  padding: 26px 28px;
  border: 1px solid var(--sb50-line);
  border-radius: 16px;
  background: #fff;
}

.partner-brief > b {
  font-size: 17px;
  font-weight: 680;
}

.partner-brief ol {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.partner-brief li {
  display: grid;
  min-height: 72px;
  grid-template-columns: 34px 1fr;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border-radius: 12px;
  background: var(--sb50-sky);
  color: var(--sb50-ink);
  font-size: 14px;
  font-weight: 600;
}

.partner-brief li span {
  display: grid;
  width: 32px;
  height: 32px;
  place-items: center;
  border-radius: 50%;
  background: #fff;
  color: var(--sb50-blue);
  font-size: 12px;
  font-weight: 700;
}

.partner-brief p {
  margin-top: 16px;
  color: var(--sb50-copy);
  font-size: 13px;
}

/* Keep all interactive targets easy to hit. */
:where(a, button, summary, input, select, textarea) {
  touch-action: manipulation;
}

:where(.desktop-nav a, .mobile-menu a, .inline-link, .service-links a, .service-links button,
  .sb46-category-output a, .footer-links a, .footer-contact a) {
  min-height: 44px;
}

/* Card surfaces and forms should not visually compete with the content. */
.condition-controls,
.condition-sheet,
.lead-form,
.partner-card,
.cost-case,
.tool-card,
.insight-card {
  border-color: var(--sb50-line);
  box-shadow: var(--shadow-m);
}

.condition-option,
.choice-chips button,
.lf-chip,
.field input,
.field select,
.field textarea,
.condition-field input,
.condition-field select {
  min-height: 48px;
}

/* Desktop rail: never covers the quote form. */
body.sb-v50-quote-active .sb-rail {
  pointer-events: none;
  opacity: 0;
  transform: translate(calc(100% + 12px), -50%) !important;
}

/* Reveal is intentionally small: enough to guide attention, never a show reel. */
.reveal,
.sb45-reveal,
.sb46-motion {
  transform: translate3d(0, 16px, 0);
  transition-duration: .44s;
}

@media (max-width: 1080px) {
  .hero-copy {
    width: 54%;
    padding-left: 40px;
  }

  .hero h1 {
    font-size: 44px;
  }

  .sb46-sheet {
    width: 34%;
  }

  .category-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
  }

  .service-body {
    padding-inline: 16px;
  }
}

@media (max-width: 820px) {
  :root {
    --shell: calc(100% - 40px);
  }

  body {
    padding-bottom: 0;
  }

  /* V51: 고정 하단 독 대신 헤더 상담요청을 사용해 본문을 가리지 않는다. */
  .header-inner {
    gap: 8px;
  }

  .header-inner > .brand {
    margin-right: auto;
  }

  .header-inner > .header-cta {
    display: inline-flex;
    min-height: 44px;
    padding-inline: 13px;
    border-radius: 12px;
    font-size: 13px;
    box-shadow: none;
  }

  .menu-toggle {
    margin-left: 0;
  }

  .section {
    padding-block: 72px;
  }

  .hero {
    padding: 32px 0 48px;
  }

  .hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
    min-height: 0;
    overflow: visible;
  }

  .hero-copy {
    grid-row: 1;
    width: 100%;
    min-height: 0;
    padding: 0;
  }

  .hero-visual {
    position: relative;
    inset: auto;
    grid-row: 2;
    min-width: 0;
    aspect-ratio: 4 / 3;
    border-radius: 16px;
    box-shadow: none;
  }

  .hero-visual img {
    object-position: center;
  }

  .sb46-sheet {
    position: relative;
    right: auto;
    bottom: auto;
    grid-row: 3;
    width: 100%;
    margin: 0;
    padding: 18px;
    border-radius: 16px;
    box-shadow: none;
  }

  .hero-contact-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    max-width: none;
  }

  .situation-layout {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .situation-panel {
    min-height: 360px;
  }

  .sb46-category-stage {
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .sb46-category-photo {
    min-height: 0;
    aspect-ratio: 16 / 10;
  }

  .category-grid {
    display: flex;
    gap: 12px;
    margin-inline: -20px;
    padding: 2px 20px 18px;
    overflow-x: auto;
    scroll-padding-inline: 20px;
    scroll-snap-type: x mandatory;
    scrollbar-color: var(--sb50-line) transparent;
  }

  .category-grid .service-card {
    flex: 0 0 min(78vw, 304px);
    scroll-snap-align: start;
    scroll-snap-stop: always;
  }

  .service-card figure {
    aspect-ratio: 1 / 1;
  }

  .service-body {
    min-height: 252px;
    padding: 16px 12px 12px;
  }

  .service-card h3 {
    min-height: 2.7em;
    font-size: 17px;
  }

  .service-card p {
    min-height: 6.1em;
    margin-top: 8px;
    font-size: 13px;
    line-height: 1.52;
  }

  .service-links {
    align-items: stretch;
    flex-direction: column;
    gap: 2px;
  }

  .service-links a,
  .service-links button {
    width: 100%;
    justify-content: flex-start;
    font-size: 13px;
  }

  .quote-trust-photo {
    aspect-ratio: 16 / 7.4;
    margin-top: 24px;
  }

  .partner-team-photo {
    aspect-ratio: 16 / 7.4;
  }

  .sb-rail {
    display: none !important;
  }

  .sb-contact-dock {
    display: none !important;
  }

  body.sb-v50-dock-visible:not(.sb-v50-quote-active) .sb-contact-dock {
    opacity: 1;
    pointer-events: auto;
    transform: none;
  }

  body.sb-v50-quote-active .sb-contact-dock {
    opacity: 0;
    pointer-events: none;
    transform: translateY(18px);
  }

  body.sb-v50-inline-cta-active .sb-contact-dock {
    opacity: 0;
    pointer-events: none;
    transform: translateY(18px);
  }

  .sb-contact-dock .sb-contact-request {
    display: none;
  }
}

@media (max-width: 560px) {
  :root {
    --shell: calc(100% - 40px);
  }

  .section {
    padding-block: 64px;
  }

  .section-head h2 {
    font-size: clamp(26px, 7vw, 31px);
    font-weight: 680;
  }

  .hero h1 {
    font-size: clamp(34px, 9.4vw, 42px);
    line-height: 1.13;
  }

  .hero-lede {
    font-size: 16px;
    line-height: 1.72;
  }

  .hero-contact-actions {
    grid-template-columns: 1fr;
  }

  .hero-category-link {
    justify-content: flex-start;
  }

  .trust-strip {
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .hero-visual {
    aspect-ratio: 4 / 3;
  }

  .quote-trust-photo,
  .partner-team-photo {
    aspect-ratio: 16 / 8.5;
  }

  .partner-brief {
    padding: 22px 18px;
  }

  .partner-brief ol {
    grid-template-columns: 1fr 1fr;
  }

  .quote-trust-photo figcaption,
  .partner-team-photo figcaption {
    right: 8px;
    bottom: 8px;
    max-width: calc(100% - 16px);
  }

  .sb45-journey ol {
    grid-template-columns: 1fr 1fr;
    padding-inline: 0;
  }

  .sb45-journey li {
    min-width: 0;
    padding-right: 8px;
  }

  .sb46-category-switcher {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    overflow: visible;
  }

  .sb46-category-switcher button {
    width: 100%;
    padding-inline: 8px;
    white-space: normal;
  }

  .sb46-category-output {
    padding: 24px 20px;
  }

  /* V51: 8개 카드는 한 줄 탐색으로 압축해 긴 4단 전개를 줄인다. */
  .category-grid {
    display: flex;
    gap: 12px;
    margin-inline: -20px;
    padding: 2px 20px 18px;
    overflow-x: auto;
    scroll-padding-inline: 20px;
    scroll-snap-type: x mandatory;
    scrollbar-color: var(--sb50-line) transparent;
  }

  .category-grid .service-card {
    flex: 0 0 min(78vw, 304px);
    scroll-snap-align: start;
    scroll-snap-stop: always;
  }

  .service-card figure {
    aspect-ratio: 1 / 1;
  }

  .service-body {
    min-height: 252px;
    padding: 16px 12px 12px;
  }

  .service-no {
    font-size: 12px;
  }

  .service-card h3 {
    min-height: 2.7em;
    font-size: 17px;
  }

  .service-card p {
    min-height: 6.1em;
    margin-top: 8px;
    font-size: 13px;
    line-height: 1.52;
  }

  .service-links {
    align-items: stretch;
    flex-direction: column;
    gap: 2px;
  }

  .service-links a,
  .service-links button {
    width: 100%;
    justify-content: flex-start;
    font-size: 13px;
  }

  .extension-row {
    gap: 8px;
  }

  .condition-controls,
  .condition-sheet,
  .lead-form {
    padding-inline: 16px;
  }

  .condition-row {
    grid-template-columns: 32px minmax(64px, 76px) minmax(0, 1fr);
  }

  .condition-row p {
    overflow-wrap: anywhere;
  }

  .field input,
  .field select,
  .field textarea {
    font-size: 16px;
  }

  .footer-bottom,
  .footer-notice,
  .footer-links,
  .business-info,
  .footer-contact {
    min-width: 0;
    overflow-wrap: anywhere;
  }
}

@media (max-width: 360px) {
  .brand-type small {
    display: none;
  }

  .header-inner > .header-cta {
    padding-inline: 10px;
  }
}

@media (hover: hover) and (pointer: fine) {
  .service-card:hover figure img {
    transform: scale(1.025);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
    transition-delay: 0ms !important;
  }

  .reveal,
  .sb45-reveal,
  .sb46-motion {
    opacity: 1 !important;
    transform: none !important;
  }
}

@keyframes sb50-logo-connect {
  0% { opacity: 0; transform: scaleX(0); }
  35% { opacity: 1; }
  70% { opacity: 1; transform: scaleX(1); }
  100% { opacity: 0; transform: scaleX(1); }
}

@keyframes sb50-stage-change {
  from { opacity: .38; transform: translateY(7px); }
  to { opacity: 1; transform: none; }
}