/* =========================================================
   ELUM RESEARCH
   Clean / Modern / Professional
========================================================= */

:root {
  --bg: #fefcf9;
  --white: #ffffff;
  --navy: #0e1a33;
  --navy-soft: #17243d;
  --gold: #b87f2e;
  --text: #172033;
  --muted: #667085;
  --line: #e7e3dc;
  --line-dark: #d9d4ca;

  --container: 1240px;

  --radius: 4px;

  --font: "IBM Plex Sans", sans-serif;
}


/* =========================================================
   RESET
========================================================= */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
}

.container {
  width: min(
    calc(100% - 48px),
    var(--container)
  );
  margin-inline: auto;
}


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

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  color: var(--navy);
}

.eyebrow {
  margin-bottom: 18px;
  color: var(--gold);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.13em;
  line-height: 1.4;
}


/* =========================================================
   HEADER
========================================================= */

.header {
  position: relative;
  z-index: 100;
  background: rgba(254, 252, 249, 0.96);
  border-bottom: 1px solid var(--line);
}

.header__inner {
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.logo {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}

.logo img {
  width: 116px;
  height: auto;
}

.nav {
  display: flex;
  align-items: center;
  gap: 30px;
  margin-left: auto;
}

.nav__link {
  position: relative;
  padding: 29px 0;
  color: #4f596b;
  font-size: 14px;
  font-weight: 500;
  transition:
    color 180ms ease;
}

.nav__link:hover,
.nav__link--active {
  color: var(--navy);
}

.nav__link--active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 20px;
  height: 2px;
  background: var(--gold);
}

.header__action {
  display: flex;
  align-items: center;
  gap: 16px;
}


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

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 600;
  line-height: 1;
  transition:
    background-color 180ms ease,
    border-color 180ms ease,
    color 180ms ease,
    transform 180ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button--primary {
  background: var(--navy);
  color: var(--white);
}

.button--primary:hover {
  background: var(--navy-soft);
}

.button--outline {
  background: transparent;
  border-color: var(--line-dark);
  color: var(--navy);
}

.button--outline:hover {
  background: var(--white);
  border-color: #c9c3b8;
}

.button--small {
  min-height: 42px;
  padding-inline: 18px;
  font-size: 13px;
}


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

.menu-button {
  display: none;
  width: 44px;
  height: 44px;
  padding: 10px;
  border: 1px solid var(--line);
  background: var(--white);
  cursor: pointer;
}

.menu-button span {
  display: block;
  width: 22px;
  height: 1.5px;
  margin: 5px auto;
  background: var(--navy);
}

.mobile-menu {
  display: none;
}


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

.hero {
  padding: 76px 0 86px;
  border-bottom: 1px solid var(--line);
}

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  align-items: center;
  gap: 72px;
}

.hero__content {
  max-width: 590px;
}

.hero h1 {
  max-width: 620px;
  margin-bottom: 26px;
  font-size: clamp(48px, 5.2vw, 76px);
  font-weight: 600;
  letter-spacing: -0.045em;
  line-height: 1.03;
}

.hero h1 span {
  display: block;
  color: var(--gold);
}

.hero__text {
  max-width: 550px;
  margin-bottom: 20px;
  color: #4e586b;
  font-size: 19px;
  line-height: 1.65;
}

.hero__services {
  max-width: 560px;
  margin-bottom: 34px;
  color: var(--navy);
  font-size: 13px;
  font-weight: 500;
  line-height: 1.8;
}

.hero__buttons {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.hero__image {
  position: relative;
  overflow: hidden;
  background: #e9e6df;
}

.hero__image::after {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid rgba(14, 26, 51, 0.08);
  pointer-events: none;
}

.hero__image img {
  width: 100%;
  aspect-ratio: 1.3 / 1;
  object-fit: cover;
}


/* =========================================================
   PROOF
========================================================= */

.proof {
  padding: 82px 0 86px;
  background: var(--white);
  border-bottom: 1px solid var(--line);
}

.proof__top {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  align-items: end;
  gap: 70px;
}

.proof h2 {
  max-width: 420px;
  margin-bottom: 0;
  font-size: clamp(30px, 3vw, 42px);
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 1.15;
}

.proof__stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-left: 1px solid var(--line);
}

.stat {
  min-height: 92px;
  padding: 0 24px;
  border-right: 1px solid var(--line);
}

.stat strong {
  display: block;
  margin-bottom: 4px;
  color: var(--navy);
  font-size: 38px;
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 1.1;
}

.stat sup {
  color: var(--gold);
  font-size: 20px;
}

.stat span {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.4;
}

.clients {
  margin-top: 70px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.clients__title {
  margin-bottom: 30px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 500;
}

.clients__logos {
  display: grid;
  grid-template-columns: repeat(9, 1fr);
  align-items: center;
  gap: 22px;
}

.client-logo {
  height: 58px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.client-logo img {
  width: 100%;
  max-width: 115px;
  max-height: 46px;
  object-fit: contain;
  filter: grayscale(100%);
  opacity: 0.7;
  transition:
    filter 180ms ease,
    opacity 180ms ease;
}

.client-logo:hover img {
  filter: grayscale(0);
  opacity: 1;
}


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

.capabilities {
  padding: 88px 0 94px;
}

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

.section-heading .eyebrow {
  margin-bottom: 12px;
}

.section-heading h2 {
  margin-bottom: 0;
  font-size: clamp(34px, 4vw, 50px);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1.1;
}

.capabilities__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid var(--line-dark);
  border-left: 1px solid var(--line-dark);
}

.capability {
  min-height: 104px;
  display: grid;
  grid-template-columns: 42px 1fr 30px;
  align-items: center;
  gap: 20px;
  padding: 24px 28px;
  border-right: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
  background: transparent;
  transition:
    background-color 180ms ease,
    padding-left 180ms ease;
}

.capability:hover {
  padding-left: 32px;
  background: var(--white);
}

.capability > span {
  color: var(--gold);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.capability strong {
  color: var(--navy);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.35;
}

.capability i {
  color: var(--muted);
  font-size: 19px;
  font-style: normal;
  text-align: right;
  transition:
    color 180ms ease,
    transform 180ms ease;
}

.capability:hover i {
  color: var(--gold);
  transform: translateX(3px);
}

.capabilities__link {
  margin-top: 30px;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--navy);
  font-size: 14px;
  font-weight: 600;
}

.text-link span {
  color: var(--gold);
  font-size: 18px;
  transition: transform 180ms ease;
}

.text-link:hover span {
  transform: translateX(4px);
}


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

.cta {
  padding: 72px 0;
  background: var(--white);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.cta__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 60px;
  padding: 52px 60px;
  background: #f5f1e9;
  border: 1px solid var(--line-dark);
}

.cta h2 {
  margin-bottom: 12px;
  font-size: clamp(34px, 4vw, 50px);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1.1;
}

.cta p:not(.eyebrow) {
  max-width: 540px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 16px;
}

.cta__right {
  min-width: 270px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
}

.cta__right small {
  color: var(--muted);
  font-size: 11px;
  line-height: 1.5;
}


/* =========================================================
   FOOTER
========================================================= */

.footer {
  padding: 70px 0 28px;
  background: var(--navy);
  color: rgba(255, 255, 255, 0.7);
}

.footer .logo img {
  width: 116px;
  filter: brightness(0) invert(1);
  opacity: 0.95;
}

.footer__top {
  display: grid;
  grid-template-columns: 1.7fr 1fr 1fr 1.1fr;
  gap: 60px;
  padding-bottom: 60px;
}

.footer__brand p {
  max-width: 360px;
  margin: 22px 0 22px;
  color: rgba(255, 255, 255, 0.62);
  font-size: 14px;
  line-height: 1.7;
}

.footer__social {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.footer__social a {
  color: rgba(255, 255, 255, 0.82);
  font-size: 13px;
}

.footer__social a:hover,
.footer__column a:hover {
  color: #ffffff;
}

.footer__column {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 9px;
}

.footer__column h3 {
  margin-bottom: 9px;
  color: #ffffff;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.footer__column a {
  color: rgba(255, 255, 255, 0.62);
  font-size: 13px;
  line-height: 1.5;
}

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.footer__bottom p {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.45);
  font-size: 11px;
}

.footer__bottom > div {
  display: flex;
  gap: 20px;
}

.footer__bottom a {
  color: rgba(255, 255, 255, 0.45);
  font-size: 11px;
}

.footer__bottom a:hover {
  color: rgba(255, 255, 255, 0.8);
}


/* =========================================================
   RESPONSIVE
========================================================= */

@media (max-width: 1050px) {

  .nav {
    gap: 20px;
  }

  .hero__grid {
    gap: 46px;
  }

  .proof__top {
    grid-template-columns: 1fr;
    gap: 42px;
  }

  .proof h2 {
    max-width: 600px;
  }

  .clients__logos {
    grid-template-columns: repeat(5, 1fr);
  }

  .footer__top {
    grid-template-columns: 1.5fr 1fr 1fr;
  }

  .footer__column:last-child {
    grid-column: 2 / 4;
  }

}


@media (max-width: 850px) {

  .container {
    width: min(
      calc(100% - 36px),
      var(--container)
    );
  }

  .header__inner {
    min-height: 72px;
  }

  .nav,
  .header__action > .button {
    display: none;
  }

  .menu-button {
    display: block;
  }

  .mobile-menu {
    position: fixed;
    inset: 72px 0 0;
    z-index: 90;
    overflow-y: auto;
    padding: 24px 18px 32px;
    background: var(--bg);
    border-top: 1px solid var(--line);
  }

  .mobile-menu--open {
    display: block;
  }

  .mobile-menu nav {
    display: flex;
    flex-direction: column;
  }

  .mobile-menu nav a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 4px;
    border-bottom: 1px solid var(--line);
    color: var(--navy);
    font-size: 19px;
    font-weight: 500;
  }

  .mobile-menu nav a span {
    color: var(--gold);
    font-size: 11px;
  }

  .mobile-menu__buttons {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 28px;
  }

  .hero {
    padding: 58px 0 64px;
  }

  .hero__grid {
    grid-template-columns: 1fr;
    gap: 44px;
  }

  .hero__content {
    max-width: 700px;
  }

  .hero h1 {
    font-size: clamp(46px, 10vw, 68px);
  }

  .hero__image img {
    aspect-ratio: 16 / 10;
  }

  .proof {
    padding: 64px 0;
  }

  .proof__stats {
    grid-template-columns: repeat(2, 1fr);
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .stat {
    padding: 20px 18px;
    border-left: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
  }

  .clients {
    margin-top: 52px;
  }

  .capabilities {
    padding: 68px 0 74px;
  }

  .cta {
    padding: 56px 0;
  }

  .cta__inner {
    padding: 40px;
    flex-direction: column;
    align-items: flex-start;
    gap: 32px;
  }

  .cta__right {
    min-width: 0;
  }

}


@media (max-width: 600px) {

  .container {
    width: calc(100% - 32px);
  }

  .logo img,
  .footer .logo img {
    width: 104px;
  }

  .hero {
    padding: 48px 0 52px;
  }

  .eyebrow {
    margin-bottom: 14px;
    font-size: 10px;
  }

  .hero h1 {
    margin-bottom: 22px;
    font-size: clamp(42px, 12vw, 58px);
    letter-spacing: -0.05em;
  }

  .hero__text {
    font-size: 17px;
    line-height: 1.6;
  }

  .hero__services {
    font-size: 12px;
    line-height: 1.75;
  }

  .hero__buttons {
    align-items: stretch;
    flex-direction: column;
  }

  .hero__buttons .button {
    width: 100%;
  }

  .proof {
    padding: 54px 0;
  }

  .proof h2 {
    font-size: 32px;
  }

  .proof__stats {
    margin-top: 6px;
  }

  .stat {
    min-height: 90px;
  }

  .stat strong {
    font-size: 32px;
  }

  .clients__logos {
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
  }

  .client-logo {
    height: 54px;
  }

  .client-logo img {
    max-width: 90px;
    max-height: 40px;
  }

  .capabilities {
    padding: 58px 0 64px;
  }

  .section-heading {
    margin-bottom: 30px;
  }

  .section-heading h2 {
    font-size: 36px;
  }

  .capabilities__grid {
    grid-template-columns: 1fr;
  }

  .capability {
    min-height: 82px;
    grid-template-columns: 34px 1fr 24px;
    gap: 12px;
    padding: 18px 16px;
  }

  .capability:hover {
    padding-left: 16px;
  }

  .capability strong {
    font-size: 14px;
  }

  .cta {
    padding: 44px 0;
  }

  .cta__inner {
    padding: 32px 24px;
  }

  .cta h2 {
    font-size: 36px;
  }

  .cta p:not(.eyebrow) {
    font-size: 15px;
  }

  .cta__right {
    width: 100%;
  }

  .cta__right .button {
    width: 100%;
  }

  .footer {
    padding-top: 54px;
  }

  .footer__top {
    grid-template-columns: 1fr 1fr;
    gap: 42px 30px;
    padding-bottom: 44px;
  }

  .footer__brand {
    grid-column: 1 / -1;
  }

  .footer__column:last-child {
    grid-column: auto;
  }

  .footer__bottom {
    align-items: flex-start;
    flex-direction: column;
    gap: 14px;
  }

}


@media (prefers-reduced-motion: reduce) {

  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition: none !important;
  }

}