:root {
  --blue: #0d66d0;
  --blue-dark: #08458f;
  --navy: #10243d;
  --text: #17263a;
  --muted: #65758b;
  --line: #dfe7ef;
  --white: #ffffff;
  --bg: #f4f7fb;
  --soft: #edf3f8;
  --shadow: 0 22px 55px rgba(16, 36, 61, 0.10);
  --radius-lg: 30px;
  --radius-md: 20px;
  --container: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

.container {
  width: min(calc(100% - 40px), var(--container));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 9999;
  transform: translateY(-150%);
  padding: 10px 14px;
  border-radius: 10px;
  background: #fff;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(244, 247, 251, 0.92);
  border-bottom: 1px solid rgba(223, 231, 239, 0.9);
  backdrop-filter: blur(16px);
}

.header-inner {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.brand-mark {
  width: 40px;
  height: 40px;
  display: inline-grid;
  place-items: center;
  border-radius: 12px;
  background: linear-gradient(
    145deg,
    var(--blue),
    var(--blue-dark)
  );
  color: #fff;
  font-size: 13px;
  font-weight: 800;
  box-shadow: 0 10px 22px rgba(13, 102, 208, 0.22);
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.desktop-nav a {
  text-decoration: none;
  color: #415168;
  font-size: 0.94rem;
  font-weight: 700;
}

.desktop-nav a:hover {
  color: var(--blue);
}

.desktop-nav .nav-button {
  padding: 10px 16px;
  border-radius: 999px;
  background: var(--navy);
  color: #fff;
}

.menu-toggle,
.mobile-nav {
  display: none;
}

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

.hero {
  position: relative;
  overflow: hidden;
  padding: 110px 0 96px;
  background:
    radial-gradient(
      circle at 82% 18%,
      rgba(13, 102, 208, 0.12),
      transparent 25%
    ),
    linear-gradient(
      180deg,
      #fbfdff 0%,
      #f3f7fb 100%
    );
}

.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns:
    minmax(0, 1.12fr)
    minmax(340px, 0.88fr);
  align-items: center;
  gap: 72px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.16em;
}

.eyebrow-light {
  color: #b9d8ff;
}

.hero h1,
.section-heading h2,
.catalog-panel h2 {
  margin: 0;
  font-weight: 800;
  letter-spacing: -0.045em;
  line-height: 1.04;
}

.hero h1 {
  max-width: 780px;
  font-size: clamp(3.1rem, 6.5vw, 6.5rem);
}

.hero h1 span {
  color: var(--blue);
}

.hero-text {
  max-width: 700px;
  margin: 30px 0 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 1.7vw, 1.25rem);
}

.hero-actions {
  margin-top: 36px;
  display: flex;
  align-items: center;
  gap: 24px;
}

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

.button {
  min-height: 52px;
  padding: 0 23px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  text-decoration: none;
  font-weight: 800;
  transition:
    transform 160ms ease,
    box-shadow 160ms ease,
    background 160ms ease;
}

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

.button-primary {
  background: var(--blue);
  color: #fff;
  box-shadow: 0 14px 30px rgba(13, 102, 208, 0.22);
}

.button-primary:hover {
  background: var(--blue-dark);
}

/* =========================================================
   HERO RIGHT CARD
   ========================================================= */

.hero-card {
  min-height: 430px;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  overflow: hidden;
  padding: 32px;
  border-radius: var(--radius-lg);
  background: linear-gradient(
    145deg,
    rgba(255, 255, 255, 0.98),
    rgba(234, 243, 252, 0.98)
  );
  border: 1px solid rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow);
}

.hero-card-label {
  position: absolute;
  top: 28px;
  left: 28px;
  padding: 9px 12px;
  border-radius: 999px;
  background: rgba(13, 102, 208, 0.08);
  color: var(--blue);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.quality-graphic {
  position: absolute;
  inset: 72px 28px 148px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
  opacity: 0.8;
}

.quality-graphic span {
  width: 15px;
  height: 55%;
  border-radius: 99px;
  background: linear-gradient(
    180deg,
    rgba(13, 102, 208, 0.13),
    rgba(13, 102, 208, 0.66)
  );
  transform: rotate(25deg);
}

.quality-graphic span:nth-child(2) {
  height: 82%;
}

.quality-graphic span:nth-child(3) {
  height: 47%;
}

.quality-graphic span:nth-child(4) {
  height: 72%;
}

.hero-card-list {
  position: relative;
  z-index: 2;
  display: grid;
  gap: 11px;
}

.hero-card-list div {
  padding: 13px 15px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid var(--line);
  color: #34455c;
  font-weight: 700;
}

/* New bottom button inside hero card */

.hero-card-button {
  position: relative;
  z-index: 3;
  align-self: flex-start;
  margin-top: 20px;
  min-width: 210px;
}

/* =========================================================
   HERO BACKGROUND ACCENTS
   ========================================================= */

.hero-accent {
  position: absolute;
  border-radius: 50%;
  filter: blur(24px);
  pointer-events: none;
}

.hero-accent-one {
  width: 280px;
  height: 280px;
  top: -110px;
  left: -80px;
  background: rgba(13, 102, 208, 0.07);
}

.hero-accent-two {
  width: 250px;
  height: 250px;
  right: -70px;
  bottom: -90px;
  background: rgba(8, 69, 143, 0.07);
}

/* =========================================================
   GENERAL SECTIONS
   ========================================================= */

.section {
  padding: 104px 0;
}

.section-white {
  background: #fff;
}

.section-soft {
  background: var(--soft);
}

.section-heading {
  max-width: 760px;
}

.section-heading h2,
.catalog-panel h2 {
  font-size: clamp(2.1rem, 4.1vw, 4.25rem);
}

.body-copy {
  max-width: 680px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 1.08rem;
}

/* =========================================================
   WHAT WE OFFER
   ========================================================= */

.offer-grid {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.offer-card {
  min-height: 205px;
  padding: 26px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: #f8fafc;
  transition:
    transform 160ms ease,
    box-shadow 160ms ease,
    border-color 160ms ease;
}

.offer-card:hover {
  transform: translateY(-4px);
  border-color: rgba(13, 102, 208, 0.28);
  box-shadow: 0 18px 40px rgba(16, 36, 61, 0.08);
}

.offer-card span {
  display: block;
  margin-bottom: 58px;
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.offer-card h3 {
  margin: 0;
  max-width: 280px;
  font-size: 1.08rem;
  line-height: 1.35;
}

/* =========================================================
   QUALITY
   ========================================================= */

.quality-section {
  background: var(--navy);
  color: #fff;
}

.split {
  display: grid;
  grid-template-columns:
    minmax(0, 0.95fr)
    minmax(320px, 1.05fr);
  align-items: center;
  gap: 80px;
}

.quality-copy {
  padding: 38px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.quality-copy p {
  margin: 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: 1.08rem;
}

.quality-copy strong {
  display: block;
  color: #fff;
}

.rule {
  height: 1px;
  margin: 28px 0;
  background: rgba(255, 255, 255, 0.14);
}

/* =========================================================
   APPROACH
   ========================================================= */

.approach-grid {
  grid-template-columns:
    minmax(320px, 0.85fr)
    minmax(0, 1.15fr);
}

.approach-visual {
  min-height: 440px;
  position: relative;
  display: grid;
  place-items: center;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: linear-gradient(
    145deg,
    #e6eef8,
    #f9fbfd
  );
  border: 1px solid #d8e2ec;
}

.ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(13, 102, 208, 0.23);
}

.ring-one {
  width: 300px;
  height: 300px;
}

.ring-two {
  width: 200px;
  height: 200px;
}

.visual-mark {
  width: 112px;
  height: 112px;
  display: grid;
  place-items: center;
  border-radius: 34px;
  background: linear-gradient(
    145deg,
    var(--blue),
    var(--blue-dark)
  );
  color: #fff;
  font-size: 1.45rem;
  font-weight: 800;
  box-shadow: 0 22px 50px rgba(13, 102, 208, 0.22);
}

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

.catalog-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 44px;
  padding: 58px;
  border-radius: 34px;
  background: linear-gradient(
    135deg,
    #0d66d0 0%,
    #08458f 100%
  );
  color: #fff;
  box-shadow: 0 26px 60px rgba(8, 69, 143, 0.20);
}

.catalog-panel p {
  max-width: 700px;
  margin: 22px 0 0;
  color: rgba(255, 255, 255, 0.82);
}

.button-light {
  background: #fff;
  color: var(--blue-dark);
  white-space: nowrap;
}

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

.site-footer {
  padding: 70px 0 30px;
  background: #081827;
  color: #fff;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 50px;
  padding-bottom: 44px;
}

.footer-brand {
  margin-bottom: 20px;
}

.site-footer p {
  max-width: 560px;
  margin: 0;
  color: rgba(255, 255, 255, 0.66);
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-contact span {
  color: rgba(255, 255, 255, 0.48);
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.footer-contact a {
  color: #fff;
  text-decoration: none;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.10);
  color: rgba(255, 255, 255, 0.47);
  font-size: 0.86rem;
}

/* =========================================================
   MEDIUM SCREENS
   ========================================================= */

@media (max-width: 1100px) {

  .hero-grid {
    grid-template-columns:
      minmax(0, 1.05fr)
      minmax(300px, 0.95fr);
    gap: 44px;
  }

  .split {
    gap: 48px;
  }

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

/* =========================================================
   TABLET / SMALL LAPTOP
   ========================================================= */

@media (max-width: 820px) {

  .desktop-nav {
    display: none;
  }

  .menu-toggle {
    width: 44px;
    height: 44px;
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: #fff;
    cursor: pointer;
  }

  .menu-toggle span {
    width: 20px;
    height: 2px;
    border-radius: 99px;
    background: var(--navy);
    transition:
      transform 160ms ease,
      opacity 160ms ease;
  }

  .menu-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .menu-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
  }

  .menu-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .mobile-nav {
    display: grid;
    max-height: 0;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.98);
    border-top: 1px solid transparent;
    transition:
      max-height 220ms ease,
      border-color 220ms ease;
  }

  .mobile-nav.is-open {
    max-height: 320px;
    border-color: var(--line);
  }

  .mobile-nav a {
    width: min(calc(100% - 40px), var(--container));
    margin-inline: auto;
    padding: 15px 0;
    text-decoration: none;
    font-weight: 700;
    border-bottom: 1px solid var(--line);
  }

  .hero {
    padding: 84px 0 74px;
  }

  .hero-grid,
  .split,
  .approach-grid,
  .catalog-panel {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    gap: 52px;
  }

  .catalog-panel {
    align-items: start;
  }

  .catalog-panel .button {
    justify-self: start;
  }
}

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

@media (max-width: 560px) {

  .container {
    width: min(calc(100% - 28px), var(--container));
  }

  .header-inner {
    min-height: 70px;
  }

  .brand-mark {
    width: 36px;
    height: 36px;
  }

  .hero {
    padding: 68px 0 60px;
  }

  .hero h1 {
    font-size: clamp(2.55rem, 13vw, 4rem);
  }

  .hero-text {
    margin-top: 22px;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
    gap: 16px;
    margin-top: 30px;
  }

  .button {
    width: 100%;
  }

  .hero-card {
    min-height: 360px;
    padding: 24px;
    border-radius: 24px;
  }

  .hero-card-label {
    top: 22px;
    left: 22px;
  }

  .quality-graphic {
    inset: 72px 18px 150px;
  }

  .hero-card-button {
    width: 100%;
    align-self: stretch;
    margin-top: 18px;
  }

  .section {
    padding: 76px 0;
  }

  .offer-grid {
    grid-template-columns: 1fr;
    gap: 14px;
    margin-top: 34px;
  }

  .offer-card {
    min-height: 160px;
    padding: 22px;
  }

  .offer-card span {
    margin-bottom: 36px;
  }

  .quality-copy {
    padding: 26px;
    border-radius: 22px;
  }

  .approach-visual {
    min-height: 330px;
    border-radius: 24px;
  }

  .ring-one {
    width: 250px;
    height: 250px;
  }

  .ring-two {
    width: 165px;
    height: 165px;
  }

  .visual-mark {
    width: 92px;
    height: 92px;
    border-radius: 28px;
  }

  .catalog-panel {
    padding: 30px 24px;
    border-radius: 24px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .footer-bottom {
    flex-direction: column;
  }
}

/* =========================================================
   EXTRA LARGE SCREENS
   ========================================================= */

@media (min-width: 1440px) {

  :root {
    --container: 1280px;
  }

  .hero {
    padding: 130px 0 112px;
  }

  .hero-card {
    min-height: 470px;
  }

  .section {
    padding: 120px 0;
  }
}

/* =========================================================
   REDUCED MOTION
   ========================================================= */

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

  html {
    scroll-behavior: auto;
  }

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