/* ==========================================================================
   PILLS · Landing · Main stylesheet
   Plan C — Hub + Depth architecture
   Entry point — imports tokens and components, then layout-specific rules.
   ========================================================================== */

@import url('./tokens.css');
@import url('./components.css');

/* ——— External fonts ——— */
@import url('https://cdn.jsdelivr.net/npm/@fontsource/space-grotesk@5.0.18/400.css');
@import url('https://cdn.jsdelivr.net/npm/@fontsource/space-grotesk@5.0.18/500.css');
@import url('https://cdn.jsdelivr.net/npm/@fontsource/space-grotesk@5.0.18/700.css');
@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/variable/pretendardvariable.min.css');


/* ——————————————————————————————————————————————————
   Full-page scroll snap
   —————————————————————————————————————————————————— */

.snap-section {
  scroll-snap-align: start;
  scroll-snap-stop: always;
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
}


/* ——————————————————————————————————————————————————
   Page container
   —————————————————————————————————————————————————— */

.page {
  max-width: 1440px;
  margin: 0 auto;
  overflow-x: hidden;
}

.page::-webkit-scrollbar {
  display: none;
}


/* ——————————————————————————————————————————————————
   Zone — Landing page section container
   —————————————————————————————————————————————————— */

.zone {
  position: relative;
  padding: var(--space-lg) var(--space-md);
  border-bottom: 0.5px solid var(--grid-stroke);
}

.zone:last-child {
  border-bottom: none;
}

@media (max-width: 767px) {
  .zone {
    padding: var(--space-md) var(--space-sm);
  }
}


/* ——————————————————————————————————————————————————
   Proposal Shortcut (Hero 우상단)
   —————————————————————————————————————————————————— */

.proposal-shortcut {
  display: flex;
  justify-content: flex-end;
  padding: 6px var(--space-md) 0;
}

.cta--proposal {
  animation-delay: 1.8s;
}

.cta--outlook {
  margin-top: 180px;
}

/* Back CTA — reversed direction */
@keyframes cta-nudge-back {
  0%, 30%, 100% { opacity: var(--cta-opacity-rest); transform: translateX(0); }
  10% { opacity: var(--l1); transform: translateX(-30px); }
  20% { opacity: var(--l1); transform: translateX(-30px); }
}

.cta.cta--back {
  animation: cta-nudge-back 5s var(--ease) infinite;
}

.cta.cta--back:hover {
  animation: none;
  opacity: var(--l1);
  transform: translateX(-30px);
}

.cta.cta--back:hover .mv {
  transform: translateX(calc(-1 * var(--cta-translate)));
  transition: transform var(--dur-pos) var(--ease) var(--delay-enter-pos);
}

@media (max-width: 767px) {
  .proposal-shortcut {
    padding: 6px var(--space-sm) 0;
  }
}


/* ——————————————————————————————————————————————————
   Zone A — Hero
   —————————————————————————————————————————————————— */

.zone--hero {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: 80px;
  padding-bottom: calc(var(--space-lg) + 22px);
}

.hero__h1 {
  font-size: 72px;
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -0.028em;
  color: var(--ink);
  max-width: 700px;
  margin: var(--space-xs) 0 var(--space-sm);
}

.hero__h1 .accent {
  color: var(--blueprint);
}

.hero__sub {
  font-size: 16px;
  line-height: 1.65;
  color: rgba(15, 20, 25, var(--l3));
  max-width: 560px;
  margin: 0 0 var(--space-lg);
}

.hero__stats {
  margin-top: auto;
  margin-left: calc(-1 * var(--space-md));
  margin-right: calc(-1 * var(--space-md));
}

@media (max-width: 767px) {
  .zone--hero {
    min-height: auto;
    padding-top: 60px;
    padding-bottom: var(--space-md);
  }

  .hero__h1 {
    font-size: 40px;
    margin: var(--space-3xs) 0 var(--space-xs);
  }

  .hero__sub {
    font-size: 15px;
    margin: 0 0 var(--space-sm);
  }

  .hero__stats {
    margin-top: var(--space-md);
  }
}


/* ——————————————————————————————————————————————————
   Zone B — Capabilities (3-card grid)
   —————————————————————————————————————————————————— */

.zone--capabilities {
  padding-top: calc(var(--space-lg) - 30px);
  border-bottom: none;
}

.zone--capabilities::after {
  content: "";
  position: absolute;
  bottom: -55px;
  left: 0;
  right: 0;
  height: 0.5px;
  background: var(--grid-stroke);
  z-index: 1;
}

.cap-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 0.5px solid var(--grid-stroke);
  margin-top: var(--space-sm);
}

.cap-card {
  padding: var(--space-sm) var(--space-sm) var(--space-sm) 0;
  border-right: 0.5px solid var(--grid-stroke);
  opacity: var(--l2);
  transition:
    opacity var(--dur-color) ease var(--delay-leave-color);
}

.cap-card:first-child {
  padding-left: 0;
}

.cap-card:last-child {
  border-right: none;
  padding-right: 0;
}

.cap-card:hover {
  opacity: 1;
  transition: opacity var(--dur-color) ease;
}

.cap-card__num {
  font-size: 8.5px;
  font-weight: 700;
  color: var(--blueprint);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: var(--space-2xs);
}

.cap-card__title {
  font-size: 20px;
  font-weight: 600;
  line-height: 1.2;
  color: var(--ink);
  margin-bottom: var(--space-3xs);
}

.cap-card__sub {
  font-size: 12px;
  line-height: 1.6;
  color: var(--graphite);
  margin-bottom: var(--space-xs);
}

.cap-card__specs {
  border-top: 0.5px solid var(--grid-stroke);
  padding-top: var(--space-2xs);
}

.cap-card__spec {
  font-size: 10.5px;
  line-height: 1.9;
  color: var(--ink);
}

.cap-card__spec::before {
  content: "— ";
  color: var(--blueprint);
}

.cap-card__spec--highlight {
  font-weight: 600;
}

.cap-card__partners {
  font-size: 9px;
  font-weight: 500;
  color: var(--blueprint);
  letter-spacing: 0.06em;
  margin-top: var(--space-2xs);
}

@media (max-width: 767px) {
  .cap-grid {
    grid-template-columns: 1fr;
  }

  .cap-card {
    border-right: none;
    border-bottom: 0.5px solid var(--grid-stroke);
    padding: var(--space-sm) 0;
  }

  .cap-card:last-child {
    border-bottom: none;
  }

  .cap-card__title {
    font-size: 18px;
  }
}


/* ——————————————————————————————————————————————————
   Zone C — Trust (Samsung + Partner Wall)
   —————————————————————————————————————————————————— */

.zone--trust {
  padding-top: calc(var(--space-lg) + 60px);
}

.trust__samsung {
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-md);
  border-bottom: 0.5px solid var(--grid-stroke);
}

.trust__samsung-headline {
  font-size: 24px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: var(--space-3xs);
}

.trust__samsung-body {
  font-size: 13px;
  line-height: 1.6;
  color: var(--graphite);
  margin-bottom: var(--space-xs);
}

.trust__samsung-divisions {
  display: flex;
  gap: var(--space-xs);
  flex-wrap: wrap;
}

.trust__division {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink);
  padding: var(--space-3xs) var(--space-xs);
  border: 0.5px solid var(--grid-stroke);
}

.trust__badges {
  display: flex;
  gap: var(--space-3xs);
  margin-top: var(--space-2xs);
}

.trust__badge {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blueprint);
  padding: 4px var(--space-2xs);
  border: 0.5px solid var(--blueprint);
}

/* Partner wordmark wall */
.partner-wall {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm) var(--space-md);
  align-items: baseline;
  margin-top: var(--space-xs);
}

.partner-wall__name {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 14px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink);
  opacity: var(--l3);
  transition: opacity var(--dur-color) ease;
}

.partner-wall__name:hover {
  opacity: 1;
}

@media (max-width: 767px) {
  .trust__samsung-headline {
    font-size: 20px;
  }

  .trust__samsung-divisions {
    gap: var(--space-3xs);
  }

  .trust__division {
    font-size: 9px;
    padding: 6px var(--space-2xs);
  }

  .partner-wall {
    gap: var(--space-xs) var(--space-sm);
  }

  .partner-wall__name {
    font-size: 12px;
  }
}


/* ——————————————————————————————————————————————————
   Zone D — Contact (2-column)
   —————————————————————————————————————————————————— */

.zone--contact {
  padding-top: calc(var(--space-lg) + 450px);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin-top: var(--space-sm);
}

.contact-office__location {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blueprint);
  margin-bottom: var(--space-3xs);
}

.contact-office__company {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: var(--space-2xs);
}

.contact-office__detail {
  font-size: 13px;
  line-height: 1.8;
  color: var(--graphite);
}

.contact-office__detail a {
  color: var(--blueprint);
  text-decoration: none;
  opacity: var(--l2);
  transition: opacity var(--dur-color) ease;
}

.contact-office__detail a:hover {
  opacity: 1;
}

.contact__cta-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  align-items: center;
  margin-top: var(--space-sm);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-md);
  border-bottom: 0.5px solid var(--grid-stroke);
}

.contact__proposal {
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 0.5px solid var(--grid-stroke);
}

.contact__proposal--top {
  margin-top: var(--space-sm);
  padding-top: 0;
  border-top: none;
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-md);
  border-bottom: 0.5px solid var(--grid-stroke);
}

/* Footer */
.footer {
  padding: var(--space-xs) var(--space-md);
  border-top: 0.5px solid var(--grid-stroke);
  font-size: 10px;
  font-weight: 500;
  color: var(--graphite);
  letter-spacing: 0.06em;
  text-align: center;
}

@media (max-width: 767px) {
  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--space-sm);
  }

  .contact-office__company {
    font-size: 16px;
  }

  .contact__proposal {
    margin-top: var(--space-md);
    padding-top: var(--space-sm);
  }

  .footer {
    padding: var(--space-xs) var(--space-sm);
  }
}


/* ——————————————————————————————————————————————————
   Detail page — Sheet frame (reusable for sub-pages)
   —————————————————————————————————————————————————— */

.sheet {
  position: relative;
  max-width: 1440px;
  margin: 0 auto;
  padding: var(--space-lg) var(--space-md);
  border-bottom: 0.5px solid var(--grid-stroke);
}

.sheet:last-of-type {
  border-bottom: none;
}

@media (max-width: 767px) {
  .sheet {
    padding: var(--space-md) var(--space-sm);
  }
}

/* Detail page headline */
.detail__h1 {
  font-size: 48px;
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: var(--space-xs) 0 var(--space-sm);
}

@media (max-width: 767px) {
  .detail__h1 {
    font-size: 32px;
  }
}

/* Detail page section H1 + body (for sub-pages) */
.sheet__h1 {
  font-size: 42px;
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: var(--space-xs) 0 var(--space-2xs);
  max-width: 720px;
}

.sheet__h1 strong {
  font-weight: 500;
  color: var(--blueprint);
}

.sheet__body {
  font-size: 14px;
  line-height: 1.7;
  color: var(--graphite);
  max-width: 600px;
  margin: 0 0 var(--space-sm);
}

@media (max-width: 767px) {
  .sheet__h1 {
    font-size: 28px;
    margin: var(--space-3xs) 0 var(--space-3xs);
  }
  .sheet__body {
    font-size: 13px;
    margin: 0 0 var(--space-xs);
  }
}

/* Back link */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blueprint);
  text-decoration: none;
  opacity: var(--cta-opacity-rest);
  transition: opacity var(--dur-color) ease;
  margin-bottom: var(--space-sm);
}

.back-link:hover {
  opacity: 1;
}

.back-link::before {
  content: "←";
}

/* Continue link positioning */
.sheet__continue {
  margin-top: auto;
  padding-top: var(--space-xs);
}


/* ——————————————————————————————————————————————————
   Capabilities — Single-page layout
   —————————————————————————————————————————————————— */

.cap-page {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  height: calc(100vh - 90px);
  height: calc(100dvh - 90px);
  padding: var(--space-sm) var(--space-md);
  overflow-x: visible;
  overflow-y: hidden;
}

.cap-page__content {
  display: flex;
  flex-direction: column;
  padding-right: var(--space-md);
  border-right: 0.5px solid var(--grid-stroke);
}

.cap-page__image {
  padding-left: var(--space-md);
}

.cap-page__partners {
  font-size: 9px;
  font-weight: 500;
  color: var(--blueprint);
  letter-spacing: 0.06em;
  margin-top: var(--space-2xs);
  line-height: 1.6;
}

/* Wide variant — content spans full width, groups in 2 columns */
.cap-page--wide {
  grid-template-columns: 1fr;
}

.cap-page--wide .cap-page__content {
  border-right: none;
  padding-right: 0;
}

.cap-page--wide .cap-groups-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 var(--space-md);
}

@media (max-width: 767px) {
  .cap-page {
    grid-template-columns: 1fr;
    min-height: auto;
    padding: var(--space-sm);
  }

  .cap-page__content {
    padding-right: 0;
    border-right: none;
  }

  .cap-page__image {
    padding-left: 0;
    margin-top: var(--space-sm);
  }

  .cap-page--wide .cap-groups-grid {
    grid-template-columns: 1fr;
  }
}


/* ——————————————————————————————————————————————————
   Capabilities detail — Spec tables
   —————————————————————————————————————————————————— */

.cap-detail-group {
  margin-bottom: calc(var(--space-2xs) * 1.15);
}

.cap-detail-group__label {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blueprint);
  margin-bottom: 5px;
}

/* Timeline variant — vertical year sidebar */
.cap-detail-group--timeline {
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 0 8px;
}

.cap-detail-group--timeline .cap-detail-group__year {
  font-size: 11px;
  font-weight: 700;
  color: var(--blueprint);
  writing-mode: vertical-lr;
  text-orientation: mixed;
  letter-spacing: 0.05em;
  padding-top: 2px;
  border-right: 1.5px solid var(--blueprint);
  padding-right: 8px;
  display: flex;
  align-items: flex-start;
}

.cap-detail-group--timeline .cap-detail-group__body {
  min-width: 0;
}

.cap-detail-group--timeline .cap-detail-group__label {
  margin-bottom: 3px;
}

/* Blurred / redacted row */
.cap-detail-row--redacted .cap-detail-row__name,
.cap-detail-row--redacted .cap-detail-row__spec {
  filter: blur(4px);
  user-select: none;
  opacity: 0.45;
}

.cap-detail-table {
  border-top: 0.5px solid var(--grid-stroke);
}

.cap-detail-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-sm);
  padding: 5px 0;
  border-bottom: 0.5px solid var(--grid-stroke);
  opacity: var(--l2);
  transition: opacity var(--dur-color) ease;
  line-height: 1.5;
}

.cap-detail-row:hover {
  opacity: 1;
}

.cap-detail-row__name {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  flex-shrink: 0;
}

.cap-detail-row__spec {
  font-size: 11.5px;
  color: var(--graphite);
  text-align: right;
}

.cap-detail-partners {
  display: flex;
  align-items: baseline;
  gap: var(--space-xs);
  margin-top: var(--space-2xs);
  margin-bottom: var(--space-xs);
}

.cap-detail-partners__label {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blueprint);
  flex-shrink: 0;
}

.cap-detail-partners__list {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--ink);
  opacity: var(--l3);
}

@media (max-width: 767px) {
  .cap-detail-row {
    flex-direction: column;
    gap: 2px;
  }

  .cap-detail-row__spec {
    text-align: left;
    font-size: 11px;
  }

  .cap-detail-partners {
    flex-direction: column;
    gap: var(--space-3xs);
  }
}


/* ——————————————————————————————————————————————————
   Proposal page — Single-page 2-column layout
   —————————————————————————————————————————————————— */

.proposal-page {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  min-height: calc(100vh - 60px);
  min-height: calc(100dvh - 60px);
  padding: var(--space-sm) var(--space-md);
}

.proposal-col-left {
  display: flex;
  flex-direction: column;
  padding-right: var(--space-md);
  border-right: 0.5px solid var(--grid-stroke);
}

.proposal-col-right {
  padding-left: var(--space-md);
  overflow-y: auto;
}

.proposal-h1 {
  font-size: 32px;
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: var(--space-3xs) 0 var(--space-2xs);
}

.proposal-h1 strong {
  font-weight: 500;
  color: var(--blueprint);
}

.proposal-body {
  font-size: 13px;
  line-height: 1.65;
  color: var(--graphite);
  margin: 0 0 var(--space-sm);
}

.cta--back {
  margin-bottom: var(--space-2xs);
}

/* Proposal groups */
.proposal-group {
  margin-bottom: var(--space-sm);
  padding-bottom: var(--space-sm);
  border-bottom: 0.5px solid var(--grid-stroke);
}

.proposal-group--compact {
  margin-bottom: var(--space-2xs);
  padding-bottom: var(--space-2xs);
}

.proposal-group:last-of-type {
  border-bottom: none;
}

.proposal-group__num {
  font-size: 8.5px;
  font-weight: 700;
  color: var(--blueprint);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 2px;
}

.proposal-group__title {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: var(--space-3xs);
}

.proposal-checks {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px var(--space-sm);
}

.proposal-checks--single {
  grid-template-columns: 1fr;
}

.proposal-check {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  padding: 3px 0;
}

.proposal-check input[type="checkbox"],
.proposal-check input[type="radio"] {
  appearance: none;
  -webkit-appearance: none;
  width: 12px;
  height: 12px;
  border: 0.5px solid var(--grid-stroke);
  background: transparent;
  cursor: pointer;
  flex-shrink: 0;
  position: relative;
}

.proposal-check input[type="radio"] {
  border-radius: 50%;
}

.proposal-check input:checked {
  border-color: var(--blueprint);
  background: var(--blueprint);
}

.proposal-check input:checked::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 5px;
  height: 5px;
  background: var(--paper);
}

.proposal-check input[type="radio"]:checked::after {
  border-radius: 50%;
}

.proposal-check__label {
  font-size: 11.5px;
  line-height: 1.3;
  color: var(--ink);
  opacity: var(--l2);
  transition: opacity var(--dur-color) ease;
}

.proposal-check:hover .proposal-check__label {
  opacity: 1;
}

.proposal-check input:checked ~ .proposal-check__label {
  opacity: 1;
  font-weight: 500;
}

.proposal-textarea {
  width: 100%;
  font-family: var(--font-sans);
  font-size: 12px;
  line-height: 1.6;
  color: var(--ink);
  background: transparent;
  border: 0.5px solid var(--grid-stroke);
  padding: var(--space-3xs) var(--space-2xs);
  resize: none;
  outline: none;
  transition: border-color var(--dur-color) ease;
}

.proposal-textarea:focus {
  border-color: var(--blueprint);
}

.proposal-textarea::placeholder {
  color: var(--graphite);
  opacity: var(--l3);
}

.proposal-fields {
  display: flex;
  flex-direction: column;
  gap: var(--space-3xs);
}

.proposal-input {
  font-family: var(--font-sans);
  font-size: 12px;
  line-height: 1.6;
  color: var(--ink);
  background: transparent;
  border: none;
  border-bottom: 0.5px solid var(--grid-stroke);
  padding: 3px 0;
  outline: none;
  transition: border-color var(--dur-color) ease;
}

.proposal-input:focus {
  border-color: var(--blueprint);
}

.proposal-input::placeholder {
  color: var(--graphite);
  opacity: var(--l3);
}

.proposal-submit--inline {
  margin-top: -12px;
  padding-top: var(--space-xs);
  border-top: 0.5px solid var(--grid-stroke);
}

@media (max-width: 767px) {
  .proposal-page {
    grid-template-columns: 1fr;
    min-height: auto;
    padding: var(--space-sm);
  }

  .proposal-col-left {
    padding-right: 0;
    border-right: none;
    padding-bottom: var(--space-sm);
    border-bottom: 0.5px solid var(--grid-stroke);
    margin-bottom: var(--space-sm);
  }

  .proposal-col-right {
    padding-left: 0;
  }

  .proposal-h1 {
    font-size: 24px;
  }

  .proposal-checks--single {
    grid-template-columns: 1fr;
  }
}