/* =========================================================
   TEKNIS ABOUT PAGE
   Refined Corporate Layout
========================================================= */

:root {
  --about-white: #ffffff;
  --about-surface: #f7f9fb;
  --about-ink: #0b1928;
  --about-ink-soft: #263a4d;
  --about-muted: #627483;
  --about-muted-light: #83929e;
  --about-line: #e1e7eb;
  --about-line-dark: #cfd9df;
  --about-blue: #123f6d;
  --about-blue-medium: #0d365d;
  --about-blue-dark: #082946;
  --about-blue-deep: #061f37;
}

body {
  background: var(--about-white);
  color: var(--about-ink);
}

main {
  overflow: hidden;
}

/* =========================================================
   ACTIVE NAV
========================================================= */

.desktop-nav .nav-link[aria-current="page"] {
  color: var(--about-blue-dark);
}

.mobile-nav a[aria-current="page"] {
  background: var(--surface-soft);
  color: var(--brand);
}

/* =========================================================
   HAKKIMIZDA
========================================================= */

.about-section {
  position: relative;
  padding: 24px 0 clamp(58px, 6vw, 82px);
  background:
    radial-gradient(circle at 50% 19%, rgba(18, 63, 109, 0.055), transparent 34%),
    var(--about-white);
}

.about-breadcrumb {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: clamp(30px, 3.5vw, 44px);
  color: var(--about-muted-light);
  font-size: 12px;
}

.about-breadcrumb a {
  color: var(--about-blue);
  font-weight: 650;
  text-decoration: none;
}

.about-breadcrumb a:hover {
  color: var(--about-blue-dark);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.section-label {
  display: inline-block;
  color: var(--about-blue);
  font-size: 10px;
  font-weight: 780;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

/* =========================================================
   ABOUT INTRO
========================================================= */

.about-intro {
  max-width: 900px;
  margin: 0 auto;
  padding: clamp(6px, 1vw, 14px) clamp(0px, 3vw, 34px) clamp(48px, 5vw, 68px);
  text-align: center;
}

.about-intro-heading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(14px, 2.2vw, 26px);
  width: min(100%, 420px);
  margin: 0 auto;
}

.about-intro-heading::before,
.about-intro-heading::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--about-line-dark));
}

.about-intro-heading::after {
  background: linear-gradient(90deg, var(--about-line-dark), transparent);
}

.about-intro-heading h1 {
  flex: none;
  margin: 0;
  color: var(--about-blue);
  font-family: "IBM Plex Sans", system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  font-size: 11px;
  line-height: 1;
}

.about-intro-copy {
  max-width: 800px;
  margin: clamp(25px, 3vw, 34px) auto 0;
}

.about-intro-copy p {
  max-width: 70ch;
  margin: 0 auto;
  color: var(--about-muted);
  font-size: clamp(14px, 1.15vw, 16px);
  line-height: 1.76;
}

.about-intro-copy p + p {
  margin-top: 18px;
}

.about-intro-copy .about-lead {
  max-width: 48ch;
  color: var(--about-ink-soft);
  font-family: "IBM Plex Sans", system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  font-size: clamp(20px, 2vw, 27px);
  font-weight: 450;
  letter-spacing: -0.025em;
  line-height: 1.46;
}

.about-intro-copy strong {
  color: var(--about-blue-dark);
  font-weight: 680;
}

/* =========================================================
   TRUST / CAPABILITIES
========================================================= */

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

.trust-item {
  position: relative;
  min-height: 178px;
  padding: 30px clamp(22px, 2.35vw, 36px) 31px;
  border-right: 1px solid var(--about-line);
}

.trust-item:first-child {
  padding-left: 0;
}

.trust-item:last-child {
  border-right: 0;
}

.trust-kicker {
  display: block;
  margin-bottom: 26px;
  color: var(--about-blue-dark);
  font-family: "IBM Plex Sans", system-ui, sans-serif;
  font-size: clamp(20px, 1.75vw, 25px);
  font-weight: 640;
  letter-spacing: -0.035em;
  line-height: 1.05;
}

.trust-item h2 {
  margin: 0 0 7px;
  color: var(--about-ink);
  font-size: 13px;
  font-weight: 760;
}

.trust-item p {
  max-width: 235px;
  margin: 0;
  color: var(--about-muted);
  font-size: 12px;
  line-height: 1.58;
}

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

.mission-section {
  position: relative;
  padding: clamp(62px, 6vw, 82px) 0 clamp(60px, 6vw, 82px);
  background: linear-gradient(135deg, #061f37 0%, #082b4a 56%, #0b365c 100%);
  color: #ffffff;
}

.mission-section::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(90deg, rgba(255,255,255,0.025), transparent 42%);
}

.mission-section > .container {
  position: relative;
  z-index: 1;
}

.mission-intro {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.mission-heading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(14px, 2.2vw, 26px);
  width: min(100%, 420px);
  margin: 0 auto;
}

.mission-heading::before,
.mission-heading::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(161, 202, 233, 0.45));
}

.mission-heading::after {
  background: linear-gradient(90deg, rgba(161, 202, 233, 0.45), transparent);
}

.mission-heading h2 {
  flex: none;
  margin: 0;
  color: #91bee2;
  font-family: "IBM Plex Sans", system-ui, sans-serif;
  font-size: 11px;
  line-height: 1;
}

.mission-copy {
  max-width: 800px;
  margin: clamp(25px, 3vw, 34px) auto 0;
}

.mission-copy p {
  max-width: 70ch;
  margin: 0 auto;
  color: rgba(226, 238, 247, 0.72);
  font-size: clamp(14px, 1.15vw, 16px);
  line-height: 1.72;
}

.mission-copy p + p {
  margin-top: 16px;
}

.mission-copy .mission-lead {
  max-width: 48ch;
  color: rgba(244, 248, 251, 0.94);
  font-family: "IBM Plex Sans", system-ui, sans-serif;
  font-size: clamp(20px, 2vw, 27px);
  font-weight: 450;
  letter-spacing: -0.025em;
  line-height: 1.46;
}

.mission-copy strong {
  color: #ffffff;
  font-weight: 680;
}

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

.mission-values {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: clamp(44px, 5vw, 60px);
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
}

.mission-value {
  min-height: 158px;
  padding: 27px clamp(22px, 2.3vw, 35px);
  border-right: 1px solid rgba(255, 255, 255, 0.12);
}

.mission-value:first-child {
  padding-left: 0;
}

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

.mission-value h3 {
  margin: 0 0 10px;
  color: #ffffff;
  font-family: "IBM Plex Sans", system-ui, sans-serif;
  font-size: 17px;
  font-weight: 620;
  letter-spacing: -0.02em;
}

.mission-value p {
  max-width: 255px;
  margin: 0;
  color: rgba(220, 235, 246, 0.65);
  font-size: 12px;
  line-height: 1.6;
}

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

.mission-contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: clamp(42px, 6vw, 80px);
  margin-top: clamp(44px, 5vw, 60px);
}

.mission-contact-label {
  display: inline-block;
  margin-bottom: 12px;
  color: #8ebce1;
  font-size: 10px;
  font-weight: 750;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.mission-contact h2 {
  max-width: 20ch;
  margin: 0;
  color: #ffffff;
  font-family: "IBM Plex Sans", system-ui, sans-serif;
  font-size: clamp(29px, 3vw, 40px);
  font-weight: 600;
  letter-spacing: -0.042em;
  line-height: 1.08;
  text-wrap: balance;
}

.mission-contact-actions {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 14px;
  min-width: 190px;
}

.mission-button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 50px;
  padding: 0 19px;
  border-radius: 6px;
  background: #ffffff;
  color: var(--about-blue-dark);
  font-size: 13px;
  font-weight: 750;
  text-decoration: none;
  transition: background-color 180ms ease, transform 180ms ease;
}

.mission-button:hover {
  background: #edf5fa;
  color: var(--about-blue-dark);
  transform: translateY(-2px);
}

.mission-button span {
  font-size: 18px;
}

.mission-phone {
  color: rgba(255, 255, 255, 0.76);
  font-size: 13px;
  font-weight: 680;
  text-align: center;
  text-decoration: none;
}

.mission-phone:hover {
  color: #ffffff;
}

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

@media (max-width: 980px) {
  .mission-intro {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .mission-copy {
    max-width: 760px;
    padding-top: 0;
  }

  .mission-heading h2 {
    max-width: 16ch;
  }

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

  .trust-item:nth-child(2),
  .mission-value:nth-child(2) {
    border-right: 0;
  }

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

  .mission-value:nth-child(-n + 2) {
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  }

  .trust-item:first-child,
  .mission-value:first-child {
    padding-left: clamp(22px, 3vw, 35px);
  }
}

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

@media (max-width: 700px) {
  .about-section {
    padding: 18px 0 50px;
  }

  .about-breadcrumb {
    margin-bottom: 28px;
  }

  .about-intro {
    padding: 2px 0 40px;
  }

  .about-intro-heading {
    width: min(100%, 330px);
    gap: 14px;
  }

  .about-intro-copy .about-lead,
  .mission-copy .mission-lead {
    font-size: 18px;
  }

  .about-intro-copy p {
    font-size: 14px;
    line-height: 1.7;
  }

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

  .trust-item {
    min-height: 0;
    padding: 22px 0;
    border-right: 0;
    border-bottom: 1px solid var(--about-line);
  }

  .trust-item:first-child {
    padding-left: 0;
  }

  .trust-item:last-child {
    border-bottom: 0;
  }

  .trust-kicker {
    margin-bottom: 11px;
    font-size: 20px;
  }

  .mission-section {
    padding: 52px 0;
  }

  .mission-heading {
    width: min(100%, 330px);
    gap: 14px;
  }

  .mission-values {
    grid-template-columns: 1fr;
    margin-top: 38px;
  }

  .mission-value {
    min-height: 0;
    padding: 22px 0;
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  }

  .mission-value:first-child {
    padding-left: 0;
  }

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

  .mission-contact {
    grid-template-columns: 1fr;
    align-items: start;
    gap: 28px;
    margin-top: 40px;
  }

  .mission-contact h2 {
    font-size: clamp(29px, 8.4vw, 39px);
  }

  .mission-contact-actions {
    width: 100%;
    max-width: 310px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .mission-button {
    transition: none;
  }

  .mission-button:hover {
    transform: none;
  }
}

/* =========================================================
   COLOR ORDER: FOOTER BLUE ABOVE, WHITE BELOW
========================================================= */

.about-section {
  background: #091322;
  color: #e2e8f0;
}

.about-section::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.025), transparent 42%);
}

.about-section > .container {
  position: relative;
  z-index: 1;
}

.about-breadcrumb {
  color: #94a3b8;
}

.about-breadcrumb a {
  color: #e2e8f0;
}

.about-breadcrumb a:hover {
  color: #ffffff;
}

.section-label,
.about-intro-heading h1 {
  color: #91bee2;
}

.about-intro-heading::before,
.about-intro-heading::after {
  background: linear-gradient(90deg, transparent, rgba(161, 202, 233, 0.45));
}

.about-intro-heading::after {
  background: linear-gradient(90deg, rgba(161, 202, 233, 0.45), transparent);
}

.about-intro-copy p {
  color: rgba(226, 238, 247, 0.72);
}

.about-intro-copy .about-lead {
  color: rgba(244, 248, 251, 0.94);
}

.about-intro-copy strong {
  color: #ffffff;
}

.about-trust {
  border-color: #1a2942;
}

.trust-item {
  border-color: #1a2942;
}

.trust-kicker {
  color: #ffffff;
}

.trust-item h2 {
  color: #e2e8f0;
}

.trust-item p {
  color: #94a3b8;
}

.mission-section {
  background: #ffffff;
  color: var(--about-ink);
}

.mission-section::before {
  background: radial-gradient(circle at 50% 19%, rgba(18, 63, 109, 0.055), transparent 34%);
}

.mission-heading::before,
.mission-heading::after {
  background: linear-gradient(90deg, transparent, var(--about-line-dark));
}

.mission-heading::after {
  background: linear-gradient(90deg, var(--about-line-dark), transparent);
}

.mission-heading h2 {
  color: var(--about-blue);
}

.mission-copy p {
  color: var(--about-muted);
}

.mission-copy .mission-lead {
  color: var(--about-ink-soft);
}

.mission-copy strong {
  color: var(--about-blue-dark);
}

.mission-values {
  border-color: var(--about-line-dark);
}

.mission-value {
  border-color: var(--about-line);
}

.mission-value h3 {
  color: var(--about-ink);
}

.mission-value p {
  color: var(--about-muted);
}

.mission-contact-label {
  color: var(--about-blue);
}

.mission-contact h2 {
  color: var(--about-ink);
}

.mission-button {
  background: #091322;
  color: #ffffff;
}

.mission-button:hover {
  background: #1a2942;
  color: #ffffff;
}

/* Mobile refinement: readable research narrative and easily scanned capabilities. */
@media (max-width: 700px) {
  .about-section {
    padding-block: 20px 44px;
  }

  .about-breadcrumb {
    margin-bottom: 22px;
  }

  .about-intro,
  .mission-intro {
    text-align: left;
  }

  .about-intro {
    padding-bottom: 32px;
  }

  .about-intro-heading,
  .mission-heading {
    justify-content: flex-start;
    width: 100%;
    margin-inline: 0;
  }

  .about-intro-heading::before,
  .mission-heading::before {
    display: none;
  }

  .about-intro-copy,
  .mission-copy {
    margin-top: 22px;
  }

  .about-intro-copy .about-lead,
  .mission-copy .mission-lead {
    font-size: clamp(19px, 5.5vw, 22px);
    line-height: 1.42;
  }

  .about-intro-copy p,
  .mission-copy p {
    font-size: 15px;
    line-height: 1.68;
  }

  .about-trust,
  .mission-values {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 10px;
    border: 0;
  }

  .about-trust {
    margin-top: 2px;
  }

  .trust-item,
  .trust-item:first-child,
  .mission-value,
  .mission-value:first-child {
    min-height: 0;
    padding: 18px;
    border: 1px solid #1a2942;
    border-radius: 6px;
  }

  .trust-item {
    background: rgba(255, 255, 255, 0.045);
  }

  .trust-item:last-child {
    border-bottom: 1px solid #1a2942;
  }

  .mission-value {
    background: #f7f9fb;
    border-color: var(--about-line);
  }

  .mission-value:last-child {
    border-bottom: 1px solid var(--about-line);
  }

  .trust-kicker {
    margin-bottom: 10px;
    font-size: 18px;
  }

  .trust-item h2,
  .mission-value h3 {
    font-size: 14px;
    line-height: 1.25;
  }

  .trust-item p,
  .mission-value p {
    font-size: 12px;
    line-height: 1.55;
  }

  .mission-section {
    padding-block: 48px;
  }

  .mission-values {
    margin-top: 30px;
  }

  .mission-contact {
    gap: 22px;
    margin-top: 34px;
    padding: 24px 20px;
    border: 1px solid var(--about-line);
    border-radius: 6px;
    background: #f7f9fb;
  }

  .mission-contact h2 {
    font-size: clamp(28px, 8vw, 36px);
  }

  .mission-contact-actions {
    width: 100%;
    max-width: none;
  }

  .mission-button {
    min-height: 52px;
  }
}