:root {
  --ink: #112337;
  --ink-soft: #3d4d5f;
  --paper: #f7f9fb;
  --white: #ffffff;
  --line: #dce3e9;
  --blue: #00a7dd;
  --blue-dark: #007da9;
  --yellow: #ffca45;
  --orange: #f36f4d;
  --purple: #6752a4;
  --shadow: 0 24px 70px rgba(17, 35, 55, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}

body {
  margin: 0;
  background: var(--white);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 16px;
  line-height: 1.6;
}

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

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

button,
summary,
a {
  -webkit-tap-highlight-color: transparent;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: grid;
  grid-template-columns: 260px 1fr auto;
  align-items: center;
  min-height: 84px;
  padding: 0 5vw;
  border-bottom: 1px solid rgba(220, 227, 233, 0.9);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(16px);
}

.brand-primary {
  position: relative;
  display: block;
  width: 240px;
  height: 70px;
  overflow: hidden;
}

.brand-primary img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: scale(1.35);
}

.desktop-nav {
  display: flex;
  justify-content: center;
  gap: clamp(18px, 2.4vw, 36px);
  font-size: 0.87rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.desktop-nav a,
.text-link,
.contact-link {
  transition:
    color 180ms ease,
    transform 180ms ease;
}

.desktop-nav a:hover,
.desktop-nav a:focus-visible {
  color: var(--blue-dark);
}

.header-cro {
  display: flex;
  align-items: center;
  gap: 10px;
}

.header-cro span {
  max-width: 82px;
  color: #667381;
  font-size: 0.65rem;
  font-weight: 700;
  line-height: 1.25;
  text-align: right;
  text-transform: uppercase;
}

.header-cro img {
  width: 48px;
  height: 52px;
  object-fit: contain;
}

.mobile-menu {
  display: none;
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(420px, 0.95fr);
  min-height: calc(100vh - 84px);
  overflow: hidden;
  background:
    radial-gradient(circle at 18% 18%, rgba(0, 167, 221, 0.12), transparent 31%),
    linear-gradient(135deg, #f7fbfd 0%, #ffffff 57%, #edf5f8 100%);
}

.hero::after {
  position: absolute;
  right: -140px;
  bottom: -220px;
  width: 620px;
  height: 620px;
  border: 70px solid rgba(0, 167, 221, 0.07);
  border-radius: 50%;
  content: "";
}

.hero-copy {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 90px 7vw 110px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--blue-dark);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  line-height: 1.4;
  text-transform: uppercase;
}

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

h1,
h2,
h3 {
  text-wrap: balance;
}

h1 {
  max-width: 760px;
  margin-bottom: 24px;
  font-size: clamp(3.6rem, 6.7vw, 7.6rem);
  font-weight: 800;
  letter-spacing: -0.065em;
  line-height: 0.9;
}

h1 span {
  display: block;
  color: var(--blue);
}

.hero-lead {
  max-width: 650px;
  margin-bottom: 34px;
  color: var(--ink-soft);
  font-size: clamp(1.06rem, 1.4vw, 1.28rem);
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 0.92rem;
  font-weight: 800;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    background 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button-primary {
  background: var(--blue);
  box-shadow: 0 16px 34px rgba(0, 167, 221, 0.28);
  color: var(--white);
}

.button-primary:hover,
.button-primary:focus-visible {
  background: var(--blue-dark);
  box-shadow: 0 18px 38px rgba(0, 125, 169, 0.32);
}

.button-secondary {
  border-color: #bdcad3;
  background: rgba(255, 255, 255, 0.7);
  color: var(--ink);
}

.button-secondary:hover,
.button-secondary:focus-visible {
  border-color: var(--ink);
  background: var(--white);
}

.hero-proof {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #536475;
  font-size: 0.9rem;
}

.hero-proof p {
  margin: 0;
}

.status-dot {
  display: block;
  width: 10px;
  height: 10px;
  flex: 0 0 10px;
  border-radius: 50%;
  background: #36b779;
  box-shadow: 0 0 0 6px rgba(54, 183, 121, 0.13);
}

.hero-visual {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  padding: 70px 6vw 100px 1vw;
}

.hero-image-shell {
  position: relative;
  width: 100%;
  max-width: 650px;
  overflow: hidden;
  border: 10px solid var(--white);
  border-radius: 36px 36px 150px 36px;
  box-shadow: var(--shadow);
  transform: rotate(1.5deg);
}

.hero-image-shell::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 54%, rgba(7, 24, 40, 0.27));
  content: "";
}

.hero-image-shell img {
  width: 100%;
  height: clamp(440px, 57vw, 650px);
  object-fit: cover;
  object-position: center;
}

.floating-card {
  position: absolute;
  right: 8vw;
  bottom: 105px;
  z-index: 3;
  display: flex;
  flex-direction: column;
  width: min(270px, 70%);
  padding: 18px 22px;
  border: 1px solid rgba(255, 255, 255, 0.74);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 18px 45px rgba(17, 35, 55, 0.22);
  backdrop-filter: blur(12px);
}

.floating-card span {
  color: var(--blue-dark);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.floating-card strong {
  font-size: 1.05rem;
}

.road-lines {
  position: absolute;
  top: 19%;
  right: 4%;
  width: 54px;
  height: 190px;
  opacity: 0.5;
  transform: rotate(22deg);
}

.road-lines::before,
.road-lines::after {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 9px;
  border-radius: 10px;
  background: repeating-linear-gradient(
    to bottom,
    var(--yellow) 0,
    var(--yellow) 22px,
    transparent 22px,
    transparent 40px
  );
  content: "";
}

.road-lines::before {
  left: 0;
}

.road-lines::after {
  right: 0;
}

.highlights {
  position: relative;
  z-index: 4;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  max-width: 1240px;
  margin: -42px auto 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--white);
  box-shadow: 0 20px 50px rgba(17, 35, 55, 0.1);
}

.highlights article {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 126px;
  padding: 24px 30px;
  border-right: 1px solid var(--line);
}

.highlights article:last-child {
  border-right: 0;
}

.highlights strong {
  font-size: clamp(1.35rem, 2.1vw, 2rem);
  letter-spacing: -0.04em;
}

.highlights span {
  color: #637180;
  font-size: 0.82rem;
}

.section {
  max-width: 1280px;
  margin: 0 auto;
  padding: 130px 5vw;
}

.section-heading {
  max-width: 820px;
  margin-bottom: 55px;
}

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

.section-heading h2,
.experience-copy h2,
.advantages-copy h2,
.cro-copy h2,
.contact-section h2 {
  margin-bottom: 22px;
  font-size: clamp(2.25rem, 4vw, 4.6rem);
  font-weight: 800;
  letter-spacing: -0.055em;
  line-height: 1;
}

.section-heading > p:last-child {
  max-width: 680px;
  margin-right: auto;
  margin-left: auto;
  color: var(--ink-soft);
  font-size: 1.05rem;
}

.intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
  gap: clamp(45px, 7vw, 100px);
  align-items: center;
}

.intro-image {
  position: relative;
  overflow: hidden;
  border-radius: 28px 28px 110px 28px;
  box-shadow: var(--shadow);
}

.intro-image img {
  width: 100%;
  min-height: 430px;
  object-fit: cover;
}

.image-label {
  position: absolute;
  right: 18px;
  bottom: 18px;
  display: flex;
  flex-direction: column;
  width: min(310px, calc(100% - 36px));
  padding: 16px 20px;
  border-radius: 16px 16px 60px 16px;
  background: rgba(12, 33, 51, 0.9);
  color: var(--white);
}

.image-label span {
  color: var(--yellow);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.intro-copy {
  color: var(--ink-soft);
  font-size: 1.02rem;
}

.lead-paragraph {
  color: var(--ink);
  font-size: clamp(1.28rem, 1.8vw, 1.7rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.35;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
  color: var(--blue-dark);
  font-weight: 800;
}

.text-link:hover,
.text-link:focus-visible,
.contact-link:hover,
.contact-link:focus-visible {
  color: var(--blue);
}

.learning-section {
  max-width: none;
  background: var(--paper);
}

.learning-section > * {
  max-width: 1280px;
  margin-right: auto;
  margin-left: auto;
}

.learning-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.learning-card {
  min-height: 300px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--white);
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    border-color 180ms ease;
}

.learning-card:hover {
  border-color: rgba(0, 167, 221, 0.45);
  box-shadow: 0 20px 45px rgba(17, 35, 55, 0.09);
  transform: translateY(-5px);
}

.card-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  margin-bottom: 40px;
  border-radius: 50%;
  background: #e7f7fc;
  color: var(--blue-dark);
  font-size: 0.75rem;
  font-weight: 900;
}

.learning-card:nth-child(2) .card-number {
  background: #fff3d3;
  color: #b47700;
}

.learning-card:nth-child(3) .card-number {
  background: #ffebe6;
  color: #c4482b;
}

.learning-card:nth-child(4) .card-number {
  background: #eeeaf8;
  color: var(--purple);
}

.learning-card h3 {
  margin-bottom: 12px;
  font-size: 1.22rem;
}

.learning-card p {
  margin-bottom: 0;
  color: #61707f;
  font-size: 0.92rem;
}

.manual-callout {
  display: grid;
  grid-template-columns: 1fr minmax(300px, 0.75fr);
  align-items: center;
  gap: 50px;
  margin-top: 30px;
  padding: 42px;
  overflow: hidden;
  border-radius: 24px;
  background: var(--ink);
  color: var(--white);
}

.manual-callout h3 {
  max-width: 650px;
  margin: 0;
  font-size: clamp(1.6rem, 2.6vw, 2.6rem);
  letter-spacing: -0.04em;
  line-height: 1.12;
}

.manual-callout .eyebrow {
  color: var(--yellow);
}

.manual-callout img {
  width: 100%;
  max-height: 250px;
  border-radius: 14px;
  object-fit: cover;
}

.experience-section {
  max-width: none;
  padding-right: 0;
  padding-left: 0;
}

.experience-grid {
  display: grid;
  grid-template-columns: minmax(340px, 0.8fr) minmax(0, 1.2fr);
  gap: 70px;
  align-items: center;
  max-width: 1380px;
  margin: 0 auto;
  padding-left: 6vw;
}

.experience-copy {
  padding-right: 2vw;
}

.experience-copy > p:not(.eyebrow) {
  color: var(--ink-soft);
}

.experience-note {
  padding: 18px 20px;
  border-left: 4px solid var(--blue);
  background: #f2f9fc;
  font-weight: 700;
}

.experience-photo {
  overflow: hidden;
  border-radius: 34px 0 0 34px;
}

.experience-photo img {
  width: 100%;
  min-height: 560px;
  object-fit: cover;
}

.experience-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  max-width: 1180px;
  margin: 70px auto 24px;
  padding: 0 5vw;
}

.experience-list span {
  padding: 10px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--white);
  color: #4f6071;
  font-size: 0.82rem;
  font-weight: 700;
}

.international {
  margin: 0 auto;
  padding: 0 5vw;
  color: #74818d;
  font-size: 0.8rem;
  text-align: center;
}

.advantages-section {
  display: grid;
  grid-template-columns: minmax(320px, 0.75fr) minmax(0, 1.25fr);
  gap: clamp(55px, 8vw, 120px);
  align-items: center;
  max-width: 1280px;
}

.advantages-media {
  position: relative;
  width: min(100%, 430px);
  margin: 0 auto;
}

.advantages-media::before {
  position: absolute;
  inset: -22px 22px 22px -22px;
  z-index: -1;
  border-radius: 28px;
  background:
    linear-gradient(135deg, rgba(0, 167, 221, 0.18), rgba(255, 202, 69, 0.18)),
    repeating-linear-gradient(
      -45deg,
      transparent 0,
      transparent 18px,
      rgba(17, 35, 55, 0.05) 18px,
      rgba(17, 35, 55, 0.05) 20px
    );
  content: "";
}

.advantages-media > img {
  width: 100%;
  height: 620px;
  border-radius: 28px;
  object-fit: cover;
  object-position: center;
  box-shadow: var(--shadow);
}

.advantages-badge {
  position: absolute;
  right: -30px;
  bottom: 30px;
  display: flex;
  flex-direction: column;
  width: 185px;
  padding: 20px;
  border-radius: 20px;
  background: var(--yellow);
  box-shadow: 0 20px 38px rgba(17, 35, 55, 0.18);
}

.advantages-badge strong {
  font-size: 2rem;
  letter-spacing: -0.04em;
}

.advantages-badge span {
  font-size: 0.75rem;
  font-weight: 700;
  line-height: 1.35;
}

.advantages-copy {
  max-width: 700px;
}

.advantages-list {
  display: grid;
  gap: 8px;
}

.advantage-item {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 12px;
  align-items: start;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.advantage-item > span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: #dff5ed;
  color: #16845f;
  font-size: 0.78rem;
  font-weight: 900;
}

.advantage-item p {
  margin: 0;
  color: var(--ink-soft);
}

.cro-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 70px;
  align-items: center;
  max-width: 1280px;
  margin: 0 auto 130px;
  padding: 70px;
  border-radius: 36px;
  background:
    radial-gradient(circle at 85% 15%, rgba(0, 167, 221, 0.2), transparent 24%),
    var(--ink);
  color: var(--white);
}

.cro-copy {
  max-width: 760px;
}

.cro-copy .eyebrow {
  color: var(--yellow);
}

.cro-copy p:not(.eyebrow) {
  max-width: 680px;
  color: #c5d0da;
}

.button-light {
  margin-top: 12px;
  background: var(--white);
  color: var(--ink);
}

.cro-logo-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 24px;
  background: var(--white);
  color: var(--ink);
  transition: transform 180ms ease;
}

.cro-logo-card:hover,
.cro-logo-card:focus-visible {
  transform: translateY(-5px) rotate(1deg);
}

.cro-logo-card img {
  width: 170px;
  height: 185px;
  object-fit: contain;
}

.cro-logo-card span {
  font-size: 0.78rem;
  font-weight: 800;
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(310px, 0.95fr);
  gap: 70px;
  align-items: center;
  max-width: 1280px;
  margin: 0 auto;
  padding: 110px 5vw;
  border-top: 1px solid var(--line);
}

.contact-section > div:first-child {
  max-width: 760px;
}

.contact-section > div:first-child > p:not(.eyebrow) {
  max-width: 650px;
  color: var(--ink-soft);
}

.contact-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 18px;
  padding: 38px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--paper);
}

.contact-actions .button {
  width: 100%;
}

.contact-link {
  align-self: center;
  color: var(--blue-dark);
  font-weight: 800;
}

footer {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 40px;
  align-items: center;
  padding: 36px 5vw;
  background: #0b1927;
  color: #aebbc7;
  font-size: 0.75rem;
}

footer p {
  margin: 0;
}

footer a {
  color: var(--white);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  color: var(--white);
}

.footer-brand strong {
  font-size: 1rem;
  letter-spacing: 0.12em;
}

.footer-brand span {
  color: var(--blue);
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

@media (max-width: 1080px) {
  .site-header {
    grid-template-columns: 230px 1fr auto;
    padding-right: 3vw;
    padding-left: 3vw;
  }

  .brand-primary {
    width: 220px;
  }

  .desktop-nav {
    gap: 18px;
  }

  .header-cro span {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr 0.8fr;
  }

  .hero-copy {
    padding-left: 5vw;
  }

  .hero-visual {
    padding-right: 3vw;
  }

  .learning-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .experience-grid {
    gap: 45px;
  }

  .cro-section {
    margin-right: 4vw;
    margin-left: 4vw;
  }
}

@media (max-width: 820px) {
  .site-header {
    grid-template-columns: 1fr auto;
    min-height: 74px;
  }

  .brand-primary {
    width: 210px;
    height: 62px;
  }

  .desktop-nav,
  .header-cro {
    display: none;
  }

  .mobile-menu {
    position: relative;
    display: block;
  }

  .mobile-menu summary {
    padding: 10px 15px;
    border: 1px solid var(--line);
    border-radius: 999px;
    cursor: pointer;
    font-size: 0.78rem;
    font-weight: 800;
    list-style: none;
  }

  .mobile-menu summary::-webkit-details-marker {
    display: none;
  }

  .mobile-menu nav {
    position: absolute;
    top: 54px;
    right: 0;
    display: grid;
    width: 220px;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: var(--white);
    box-shadow: var(--shadow);
  }

  .mobile-menu nav a {
    padding: 13px 18px;
    border-bottom: 1px solid var(--line);
    font-size: 0.82rem;
    font-weight: 700;
  }

  .mobile-menu nav a:last-child {
    border-bottom: 0;
    background: var(--ink);
    color: var(--white);
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .hero-copy {
    padding: 80px 6vw 30px;
  }

  h1 {
    font-size: clamp(3.5rem, 17vw, 6rem);
  }

  .hero-visual {
    padding: 20px 6vw 100px;
  }

  .hero-image-shell {
    max-width: none;
  }

  .hero-image-shell img {
    height: min(110vw, 610px);
  }

  .floating-card {
    right: 10vw;
    bottom: 72px;
  }

  .highlights {
    grid-template-columns: repeat(2, 1fr);
    margin: -28px 5vw 0;
  }

  .highlights article {
    min-height: 110px;
    border-bottom: 1px solid var(--line);
  }

  .highlights article:nth-child(2) {
    border-right: 0;
  }

  .highlights article:nth-child(3),
  .highlights article:nth-child(4) {
    border-bottom: 0;
  }

  .intro-grid,
  .experience-grid,
  .advantages-section,
  .cro-section,
  .contact-section,
  .manual-callout {
    grid-template-columns: 1fr;
  }

  .section {
    padding-top: 95px;
    padding-bottom: 95px;
  }

  .section-heading {
    margin-bottom: 40px;
  }

  .intro-image img {
    min-height: 360px;
  }

  .manual-callout {
    gap: 25px;
    padding: 30px;
  }

  .experience-grid {
    padding-left: 5vw;
  }

  .experience-photo {
    border-radius: 28px 0 0 28px;
  }

  .experience-photo img {
    min-height: 400px;
  }

  .advantages-media {
    margin-bottom: 25px;
  }

  .advantages-media > img {
    height: 560px;
  }

  .cro-section {
    gap: 35px;
    padding: 45px;
  }

  .cro-logo-card {
    max-width: 300px;
  }

  .contact-section {
    gap: 35px;
  }

  footer {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

@media (max-width: 560px) {
  .brand-primary {
    width: 190px;
  }

  .hero-copy {
    padding-top: 60px;
  }

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

  .hero-actions .button {
    width: 100%;
  }

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

  .highlights article {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .highlights article:nth-child(3) {
    border-bottom: 1px solid var(--line);
  }

  .highlights article:last-child {
    border-bottom: 0;
  }

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

  .learning-card {
    min-height: 260px;
  }

  .section-heading h2,
  .experience-copy h2,
  .advantages-copy h2,
  .cro-copy h2,
  .contact-section h2 {
    font-size: 2.4rem;
  }

  .advantages-badge {
    right: -8px;
  }

  .cro-section {
    margin-bottom: 70px;
    padding: 34px 24px;
    border-radius: 26px;
  }

  .contact-actions {
    padding: 25px 18px;
  }
}

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

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}