/* =====================================================
   AJIN ABOUT PAGE
   File: public/css/about.css
   Version: 20260711-1
===================================================== */

.about-page {
  --about-primary: #0758a8;
  --about-primary-dark: #043b73;
  --about-primary-deep: #032a52;
  --about-accent: #18a7df;
  --about-accent-light: #65d1f2;
  --about-text: #152236;
  --about-text-soft: #5b6878;
  --about-line: #dbe4ed;
  --about-bg: #f4f7fa;
  --about-bg-blue: #edf6fc;
  --about-white: #ffffff;
  --about-shadow: 0 24px 60px rgba(11, 48, 82, 0.12);

  overflow: hidden;
  color: var(--about-text);
  background: var(--about-white);
}

.about-page,
.about-page * {
  box-sizing: border-box;
}

.about-page h1,
.about-page h2,
.about-page h3,
.about-page p,
.about-page blockquote {
  margin-top: 0;
}

.about-page img {
  display: block;
  max-width: 100%;
}

.about-container {
  width: min(1200px, calc(100% - 48px));
  margin: 0 auto;
}


/* =====================================================
   COMMON TYPOGRAPHY
===================================================== */

.about-section {
  padding: 110px 0;
}

.about-section-eyebrow,
.about-eyebrow {
  margin-bottom: 18px;
  color: var(--about-primary);
  font-size: 13px;
  font-weight: 800;
  line-height: 1.4;
  letter-spacing: 0.18em;
}

.about-section-heading {
  max-width: 790px;
  margin-bottom: 58px;
}

.about-section-heading-center {
  margin-right: auto;
  margin-left: auto;
  text-align: center;
}

.about-section-heading h2 {
  margin-bottom: 22px;
  color: var(--about-text);
  font-size: clamp(34px, 4.2vw, 56px);
  font-weight: 500;
  line-height: 1.22;
  letter-spacing: -0.045em;
}

.about-section-heading h2 strong {
  color: var(--about-primary);
  font-weight: 800;
}

.about-section-heading > p:last-child {
  margin-bottom: 0;
  color: var(--about-text-soft);
  font-size: 18px;
  line-height: 1.85;
  letter-spacing: -0.02em;
}


/* =====================================================
   BUTTONS
===================================================== */

.about-button {
  display: inline-flex;
  min-height: 54px;
  align-items: center;
  justify-content: center;
  padding: 0 28px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1;
  text-decoration: none;
  transition:
    transform 0.25s ease,
    background-color 0.25s ease,
    border-color 0.25s ease,
    color 0.25s ease;
}

.about-button:hover {
  transform: translateY(-2px);
}

.about-button-primary {
  border-color: var(--about-accent);
  color: var(--about-white);
  background: var(--about-accent);
}

.about-button-primary:hover {
  border-color: #0795cc;
  color: var(--about-white);
  background: #0795cc;
}

.about-button-outline {
  border-color: rgba(255, 255, 255, 0.55);
  color: var(--about-white);
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(8px);
}

.about-button-outline:hover {
  border-color: var(--about-white);
  color: var(--about-primary-deep);
  background: var(--about-white);
}


/* =====================================================
   HERO
===================================================== */

.about-hero {
  position: relative;
  min-height: 720px;
  display: flex;
  align-items: center;
  background:
    linear-gradient(
      90deg,
      rgba(2, 25, 50, 0.96) 0%,
      rgba(3, 42, 80, 0.89) 42%,
      rgba(3, 51, 89, 0.68) 68%,
      rgba(3, 44, 78, 0.55) 100%
    ),
    url("https://storage.googleapis.com/ajin-media-storage/site/banners/home/main-hero1.png")
    center center / cover no-repeat;
}

.about-hero::after {
  content: "";
  position: absolute;
  right: -160px;
  bottom: -240px;
  width: 560px;
  height: 560px;
  border: 1px solid rgba(101, 209, 242, 0.2);
  border-radius: 50%;
  pointer-events: none;
}

.about-hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      180deg,
      rgba(0, 0, 0, 0.04) 0%,
      rgba(0, 0, 0, 0.15) 100%
    );
}

.about-hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 390px;
  gap: 80px;
  align-items: center;
  padding-top: 90px;
  padding-bottom: 90px;
}

.about-hero-content {
  max-width: 720px;
}

.about-eyebrow {
  color: var(--about-accent-light);
}

.about-hero-content h1 {
  margin-bottom: 28px;
  color: var(--about-white);
  font-size: clamp(44px, 5.8vw, 76px);
  font-weight: 400;
  line-height: 1.13;
  letter-spacing: -0.055em;
}

.about-hero-content h1 strong {
  color: var(--about-accent-light);
  font-weight: 800;
}

.about-hero-description {
  max-width: 670px;
  margin-bottom: 38px;
  color: rgba(255, 255, 255, 0.84);
  font-size: 19px;
  line-height: 1.85;
  letter-spacing: -0.02em;
}

.about-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.about-brand-panel {
  padding: 36px 32px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 18px;
  color: var(--about-white);
  background: rgba(2, 28, 55, 0.64);
  box-shadow: 0 26px 70px rgba(0, 0, 0, 0.25);
  backdrop-filter: blur(14px);
}

.about-brand-logo {
  display: inline-flex;
  min-width: 130px;
  min-height: 68px;
  align-items: center;
  justify-content: center;
  margin-bottom: 30px;
  padding: 14px 18px;
  border-radius: 10px;
  background: var(--about-white);
}

.about-brand-logo img {
  width: 112px;
  max-height: 42px;
  object-fit: contain;
}

.about-brand-label {
  margin-bottom: 14px;
  color: var(--about-accent-light);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.16em;
}

.about-brand-panel h2 {
  margin-bottom: 18px;
  font-size: 28px;
  line-height: 1.42;
  letter-spacing: -0.035em;
}

.about-brand-panel > p:not(.about-brand-label) {
  margin-bottom: 26px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 15px;
  line-height: 1.8;
}

.about-brand-keywords {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.about-brand-keywords span {
  padding: 8px 10px;
  border: 1px solid rgba(101, 209, 242, 0.28);
  border-radius: 4px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  background: rgba(101, 209, 242, 0.07);
}


/* =====================================================
   IDENTITY
===================================================== */

.about-identity-section {
  background: var(--about-white);
}

.about-identity-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(340px, 0.85fr);
  gap: 76px;
  align-items: stretch;
}

.about-identity-statement {
  position: relative;
  padding-left: 82px;
}

.about-statement-number {
  position: absolute;
  top: 2px;
  left: 0;
  color: var(--about-accent);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.about-identity-statement::before {
  content: "";
  position: absolute;
  top: 34px;
  bottom: 2px;
  left: 18px;
  width: 1px;
  background: linear-gradient(
    180deg,
    var(--about-accent) 0%,
    var(--about-line) 100%
  );
}

.about-identity-statement p {
  margin-bottom: 18px;
  color: var(--about-text-soft);
  font-size: 17px;
  line-height: 1.9;
  letter-spacing: -0.018em;
}

.about-identity-statement .about-statement-lead {
  margin-bottom: 28px;
  color: var(--about-text);
  font-size: 23px;
  font-weight: 700;
  line-height: 1.65;
}

.about-identity-quote {
  position: relative;
  display: flex;
  min-height: 390px;
  flex-direction: column;
  justify-content: center;
  padding: 52px 46px;
  overflow: hidden;
  border-radius: 18px;
  color: var(--about-white);
  background:
    linear-gradient(
      145deg,
      var(--about-primary-deep) 0%,
      var(--about-primary) 100%
    );
  box-shadow: var(--about-shadow);
}

.about-identity-quote::after {
  content: "";
  position: absolute;
  right: -90px;
  bottom: -90px;
  width: 240px;
  height: 240px;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 50%;
}

.about-quote-mark {
  position: absolute;
  top: 20px;
  left: 36px;
  color: rgba(255, 255, 255, 0.13);
  font-family: Georgia, serif;
  font-size: 130px;
  line-height: 1;
}

.about-identity-quote blockquote {
  position: relative;
  z-index: 1;
  margin-bottom: 28px;
  font-size: 25px;
  font-weight: 700;
  line-height: 1.65;
  letter-spacing: -0.035em;
}

.about-quote-signature {
  position: relative;
  z-index: 1;
  margin-bottom: 0;
  color: var(--about-accent-light);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.15em;
}


/* =====================================================
   MISSION
===================================================== */

.about-mission-section {
  background: var(--about-bg);
}

.about-mission-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

.about-mission-card {
  position: relative;
  min-height: 330px;
  padding: 38px 30px 34px;
  overflow: hidden;
  border: 1px solid var(--about-line);
  border-radius: 14px;
  background: var(--about-white);
  transition:
    transform 0.3s ease,
    border-color 0.3s ease,
    box-shadow 0.3s ease;
}

.about-mission-card:hover {
  transform: translateY(-8px);
  border-color: rgba(24, 167, 223, 0.55);
  box-shadow: var(--about-shadow);
}

.about-card-number {
  position: absolute;
  top: 28px;
  right: 26px;
  color: #e0e8ef;
  font-size: 42px;
  font-weight: 800;
  line-height: 1;
}

.about-card-label {
  margin-bottom: 58px;
  color: var(--about-primary);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.13em;
}

.about-mission-card h3 {
  margin-bottom: 18px;
  color: var(--about-text);
  font-size: 24px;
  line-height: 1.4;
  letter-spacing: -0.035em;
}

.about-mission-card > p:last-child {
  margin-bottom: 0;
  color: var(--about-text-soft);
  font-size: 15px;
  line-height: 1.8;
}


/* =====================================================
   SYSTEM FLOW
===================================================== */

.about-flow-section {
  background:
    linear-gradient(
      180deg,
      #ffffff 0%,
      var(--about-bg-blue) 100%
    );
}

.about-flow-wrap {
  position: relative;
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 14px;
  padding-top: 18px;
}

.about-flow-line {
  position: absolute;
  top: 42px;
  right: 7%;
  left: 7%;
  height: 2px;
  background: linear-gradient(
    90deg,
    var(--about-primary) 0%,
    var(--about-accent) 100%
  );
}

.about-flow-item {
  position: relative;
  z-index: 1;
  text-align: center;
}

.about-flow-point {
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  border: 5px solid var(--about-white);
  border-radius: 50%;
  color: var(--about-white);
  font-size: 12px;
  font-weight: 800;
  background: var(--about-primary);
  box-shadow: 0 0 0 1px rgba(7, 88, 168, 0.16);
}

.about-flow-label {
  min-height: 30px;
  margin-bottom: 10px;
  color: var(--about-primary);
  font-size: 9px;
  font-weight: 800;
  line-height: 1.4;
  letter-spacing: 0.08em;
}

.about-flow-item h3 {
  margin-bottom: 12px;
  color: var(--about-text);
  font-size: 18px;
  line-height: 1.4;
  letter-spacing: -0.03em;
}

.about-flow-item > p:last-child {
  margin-bottom: 0;
  color: var(--about-text-soft);
  font-size: 13px;
  line-height: 1.7;
}


/* =====================================================
   TECHNOLOGY
===================================================== */

.about-technology-section {
  color: var(--about-white);
  background: #061f39;
}

.about-technology-section .about-section-eyebrow {
  color: var(--about-accent-light);
}

.about-technology-section .about-section-heading h2 {
  color: var(--about-white);
}

.about-technology-section .about-section-heading h2 strong {
  color: var(--about-accent-light);
}

.about-technology-section .about-section-heading > p:last-child {
  color: rgba(255, 255, 255, 0.68);
}

.about-technology-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 18px;
}

.about-technology-card {
  grid-column: span 2;
  min-height: 350px;
  display: flex;
  flex-direction: column;
  padding: 34px 30px;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.045);
  transition:
    transform 0.3s ease,
    border-color 0.3s ease,
    background-color 0.3s ease;
}

.about-technology-card:hover {
  transform: translateY(-7px);
  border-color: rgba(101, 209, 242, 0.55);
  background: rgba(255, 255, 255, 0.075);
}

.about-technology-card-wide {
  grid-column: span 4;
  min-height: 280px;
}

.about-technology-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 48px;
}

.about-technology-top span {
  color: var(--about-accent-light);
  font-size: 13px;
  font-weight: 800;
}

.about-technology-top p {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.42);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.about-technology-card h3 {
  margin-bottom: 18px;
  color: var(--about-white);
  font-size: 25px;
  line-height: 1.4;
  letter-spacing: -0.035em;
}

.about-technology-card > p {
  margin-bottom: 28px;
  color: rgba(255, 255, 255, 0.68);
  font-size: 15px;
  line-height: 1.8;
}

.about-technology-card a {
  display: inline-flex;
  align-items: center;
  margin-top: auto;
  color: var(--about-accent-light);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}

.about-technology-card a:hover {
  color: var(--about-white);
}


/* =====================================================
   CORE VALUES
===================================================== */

.about-values-section {
  background: var(--about-white);
}

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

.about-value-card {
  min-height: 300px;
  padding: 38px 30px;
  border-right: 1px solid var(--about-line);
}

.about-value-card:last-child {
  border-right: 0;
}

.about-value-English {
  margin-bottom: 48px;
  color: var(--about-accent);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.about-value-card h3 {
  margin-bottom: 18px;
  color: var(--about-text);
  font-size: 25px;
  line-height: 1.4;
  letter-spacing: -0.035em;
}

.about-value-card > p:last-child {
  margin-bottom: 0;
  color: var(--about-text-soft);
  font-size: 15px;
  line-height: 1.8;
}


/* =====================================================
   VISION
===================================================== */

.about-vision-section {
  padding: 120px 0;
  color: var(--about-white);
  background:
    radial-gradient(
      circle at 90% 20%,
      rgba(24, 167, 223, 0.25) 0%,
      rgba(24, 167, 223, 0) 32%
    ),
    linear-gradient(
      130deg,
      var(--about-primary-deep) 0%,
      var(--about-primary) 100%
    );
}

.about-vision-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: 100px;
}

.about-vision-heading .about-section-eyebrow {
  color: var(--about-accent-light);
}

.about-vision-heading h2 {
  margin-bottom: 0;
  color: var(--about-white);
  font-size: clamp(38px, 4.4vw, 58px);
  font-weight: 400;
  line-height: 1.28;
  letter-spacing: -0.05em;
}

.about-vision-heading h2 strong {
  color: var(--about-accent-light);
  font-weight: 800;
}

.about-vision-content {
  padding-top: 34px;
}

.about-vision-content p {
  margin-bottom: 20px;
  color: rgba(255, 255, 255, 0.74);
  font-size: 17px;
  line-height: 1.9;
  letter-spacing: -0.018em;
}

.about-vision-content .about-vision-lead {
  margin-bottom: 30px;
  color: var(--about-white);
  font-size: 25px;
  font-weight: 700;
  line-height: 1.65;
}

.about-vision-content .about-vision-signature {
  margin-top: 42px;
  margin-bottom: 0;
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--about-accent-light);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.7;
}


/* =====================================================
   CONTACT CTA
===================================================== */

.about-contact-section {
  padding: 90px 0;
  background: var(--about-bg);
}

.about-contact-box {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 50px;
  align-items: center;
  padding: 58px 64px;
  border-radius: 18px;
  background: var(--about-white);
  box-shadow: var(--about-shadow);
}

.about-contact-box h2 {
  margin-bottom: 18px;
  color: var(--about-text);
  font-size: clamp(34px, 4vw, 50px);
  line-height: 1.27;
  letter-spacing: -0.045em;
}

.about-contact-box > div:first-child > p:last-child {
  max-width: 700px;
  margin-bottom: 0;
  color: var(--about-text-soft);
  font-size: 17px;
  line-height: 1.8;
}

.about-button-contact {
  min-width: 210px;
  min-height: 60px;
  color: var(--about-white);
  background: var(--about-primary);
}

.about-button-contact:hover {
  color: var(--about-white);
  background: var(--about-primary-dark);
}


/* =====================================================
   TABLET
===================================================== */

@media (max-width: 1100px) {
  .about-hero-inner {
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: 46px;
  }

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

  .about-flow-wrap {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 36px 18px;
  }

  .about-flow-line {
    display: none;
  }

  .about-flow-item {
    padding: 22px 12px;
    border: 1px solid var(--about-line);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.72);
  }

  .about-technology-card {
    grid-column: span 3;
  }

  .about-technology-card-wide {
    grid-column: span 6;
  }

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

  .about-value-card:nth-child(2) {
    border-right: 0;
  }

  .about-value-card:nth-child(-n + 2) {
    border-bottom: 1px solid var(--about-line);
  }

  .about-vision-layout {
    gap: 60px;
  }
}


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

@media (max-width: 820px) {
  .about-container {
    width: min(100% - 36px, 1200px);
  }

  .about-section {
    padding: 78px 0;
  }

  .about-section-heading {
    margin-bottom: 42px;
  }

  .about-section-heading h2 {
    font-size: 38px;
  }

  .about-section-heading > p:last-child {
    font-size: 16px;
  }

  .about-hero {
    min-height: auto;
  }

  .about-hero-inner {
    grid-template-columns: 1fr;
    gap: 42px;
    padding-top: 86px;
    padding-bottom: 76px;
  }

  .about-hero-content h1 {
    font-size: 50px;
  }

  .about-hero-description {
    font-size: 17px;
  }

  .about-brand-panel {
    max-width: 520px;
  }

  .about-identity-layout {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .about-identity-statement {
    padding-left: 58px;
  }

  .about-identity-quote {
    min-height: 340px;
  }

  .about-flow-wrap {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .about-technology-grid {
    grid-template-columns: 1fr;
  }

  .about-technology-card,
  .about-technology-card-wide {
    grid-column: auto;
    min-height: 310px;
  }

  .about-vision-section {
    padding: 88px 0;
  }

  .about-vision-layout {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .about-vision-content {
    padding-top: 0;
  }

  .about-contact-box {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 46px 38px;
  }

  .about-contact-action {
    justify-self: start;
  }
}


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

@media (max-width: 560px) {
  .about-container {
    width: min(100% - 28px, 1200px);
  }

  .about-section {
    padding: 64px 0;
  }

  .about-section-heading h2 {
    font-size: 32px;
  }

  .about-section-heading h2 br {
    display: none;
  }

  .about-hero-inner {
    padding-top: 70px;
    padding-bottom: 62px;
  }

  .about-hero-content h1 {
    font-size: 40px;
    line-height: 1.2;
  }

  .about-hero-content h1 br {
    display: none;
  }

  .about-hero-description {
    font-size: 16px;
  }

  .about-hero-actions {
    flex-direction: column;
  }

  .about-button {
    width: 100%;
  }

  .about-brand-panel {
    padding: 30px 24px;
  }

  .about-brand-panel h2 {
    font-size: 24px;
  }

  .about-identity-statement {
    padding-left: 0;
  }

  .about-statement-number,
  .about-identity-statement::before {
    display: none;
  }

  .about-identity-statement .about-statement-lead {
    font-size: 20px;
  }

  .about-identity-quote {
    min-height: auto;
    padding: 46px 28px;
  }

  .about-identity-quote blockquote {
    font-size: 21px;
  }

  .about-mission-grid {
    grid-template-columns: 1fr;
  }

  .about-mission-card {
    min-height: 300px;
  }

  .about-flow-wrap {
    grid-template-columns: 1fr;
  }

  .about-flow-item {
    display: grid;
    grid-template-columns: 54px 1fr;
    column-gap: 16px;
    text-align: left;
  }

  .about-flow-point {
    grid-row: 1 / span 3;
    margin: 0;
  }

  .about-flow-label {
    min-height: 0;
    margin-bottom: 5px;
  }

  .about-flow-item h3 {
    margin-bottom: 6px;
  }

  .about-values-grid {
    grid-template-columns: 1fr;
  }

  .about-value-card {
    min-height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--about-line);
  }

  .about-value-card:last-child {
    border-bottom: 0;
  }

  .about-value-English {
    margin-bottom: 28px;
  }

  .about-vision-heading h2 {
    font-size: 34px;
  }

  .about-vision-heading h2 br {
    display: none;
  }

  .about-vision-content .about-vision-lead {
    font-size: 21px;
  }

  .about-contact-section {
    padding: 60px 0;
  }

  .about-contact-box {
    padding: 38px 24px;
  }

  .about-contact-box h2 {
    font-size: 31px;
  }

  .about-contact-box h2 br {
    display: none;
  }
}