:root {
  --navy: #06176f;
  --blue: #075bea;
  --sky: #1aa7ff;
  --ink: #020f52;
  --muted: #3f548b;
  --line: #cbd8f1;
  --soft: #f3f8ff;
  --white: #ffffff;
  --shadow: 0 18px 42px rgba(7, 38, 118, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  background: var(--white);
  line-height: 1.5;
}

#about,
#solutions,
#partner,
#contact {
  scroll-margin-top: 150px;
}

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

svg {
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  min-height: 96px;
  padding: 20px 38px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.68));
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
}

.brand img {
  display: block;
  width: clamp(300px, 30vw, 440px);
  height: auto;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: clamp(18px, 3vw, 42px);
  color: var(--navy);
  font-size: 0.94rem;
  font-weight: 900;
  text-transform: uppercase;
}

.main-nav a {
  position: relative;
  padding: 8px 0 12px;
}

.main-nav a::after {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 4px;
  content: "";
  background: var(--blue);
  border-radius: 999px;
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 180ms ease;
}

.main-nav a:hover::after,
.main-nav a.active::after {
  transform: scaleX(1);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--white);
  color: var(--navy);
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: currentColor;
}

.hero {
  position: relative;
  min-height: 680px;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.hero-bg,
.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero-bg {
  background-image: url("assets/orthopedic-spine-hero.png");
  background-position: center right;
  background-size: cover;
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.98) 0%, rgba(255, 255, 255, 0.88) 30%, rgba(255, 255, 255, 0.22) 62%, rgba(255, 255, 255, 0.08) 100%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.62) 0%, rgba(255, 255, 255, 0) 22%);
}

.hero-content {
  position: relative;
  display: grid;
  grid-template-columns: minmax(320px, 560px) minmax(250px, 330px);
  align-items: center;
  justify-content: space-between;
  gap: 44px;
  max-width: 1440px;
  min-height: 680px;
  margin: 0 auto;
  padding: 166px 38px 54px;
}

.hero-copy h1 {
  max-width: 560px;
  margin: 0;
  color: var(--navy);
  font-size: clamp(3.2rem, 5vw, 5.25rem);
  font-weight: 950;
  line-height: 0.98;
  text-transform: uppercase;
}

.hero-copy h1::after {
  display: block;
  width: 68px;
  height: 5px;
  margin: 28px 0 0;
  content: "";
  background: var(--blue);
  border-radius: 999px;
}

.hero-copy p {
  max-width: 480px;
  margin: 24px 0 24px;
  color: var(--ink);
  font-size: 1.15rem;
  font-weight: 800;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  min-height: 58px;
  padding: 0 28px;
  border-radius: 6px;
  font-weight: 900;
  text-transform: uppercase;
  box-shadow: 0 12px 24px rgba(6, 58, 170, 0.22);
}

.button svg {
  width: 28px;
  height: 28px;
}

.button-primary {
  color: var(--white);
  background: linear-gradient(135deg, #074fe3, #062fb1);
}

.hero-features {
  display: grid;
  gap: 20px;
  max-width: 310px;
  margin-left: auto;
  padding: 10px 0;
}

.hero-features article {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 16px;
  align-items: start;
}

.hero-features article + article {
  padding-top: 22px;
  border-top: 1px solid rgba(6, 23, 111, 0.18);
}

.feature-icon,
.solution-icon,
.cta-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 68px;
  height: 68px;
  border-radius: 50%;
  color: var(--navy);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 10px 22px rgba(7, 38, 118, 0.16);
}

.feature-icon svg,
.solution-icon svg,
.cta-mark svg {
  width: 34px;
  height: 34px;
}

.solution-icon svg {
  stroke-width: 1.7;
}

.solution-icon .icon-spine,
.solution-icon .icon-education {
  width: 38px;
  height: 38px;
}

.hero-features h2,
.trust-band h2,
.solution-card h3,
.footer h2 {
  margin: 0;
  color: var(--navy);
  font-size: 1.12rem;
  font-weight: 950;
  line-height: 1.08;
  text-transform: uppercase;
}

.hero-features p,
.trust-band p,
.solution-card p,
.about p,
.cta p,
.footer p {
  margin: 10px 0 0;
  color: var(--ink);
  font-weight: 700;
}

.trust-band {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  max-width: 1440px;
  margin: 0 auto;
  padding: 34px 38px;
  background: var(--white);
}

.trust-band article {
  display: grid;
  grid-template-columns: 78px 1fr;
  gap: 18px;
  padding: 0 28px;
  border-right: 1px solid var(--line);
}

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

.trust-band article:last-child {
  padding-right: 0;
  border-right: 0;
}

.trust-band svg {
  width: 66px;
  height: 66px;
  color: var(--blue);
  stroke-width: 1.8;
}

.solutions {
  padding: 38px 38px 20px;
  background: linear-gradient(180deg, #f9fcff, #eef6ff);
  border-top: 1px solid var(--line);
}

.section-heading {
  max-width: 980px;
  margin: 0 auto 24px;
  text-align: center;
}

.section-heading span,
.about-panel span {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--blue);
  font-weight: 950;
  text-transform: uppercase;
}

.section-heading span::before,
.section-heading span::after {
  width: 42px;
  height: 2px;
  content: "";
  background: var(--blue);
}

.section-heading h2,
.about-panel h2,
.cta h2 {
  margin: 2px 0 0;
  color: var(--navy);
  font-size: clamp(1.7rem, 3vw, 2.2rem);
  line-height: 1.05;
  text-transform: uppercase;
}

.solution-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  max-width: 1368px;
  margin: 0 auto;
}

.solution-card {
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.solution-media {
  aspect-ratio: 16 / 7;
  min-height: 168px;
  background-position: center;
  background-size: cover;
}

.solution-media.spine {
  background-image: url("assets/card-spine-solutions.png");
  background-position: center 48%;
}

.solution-media.ortho {
  background-image: url("assets/card-orthopedic-solutions.png");
  background-position: center 48%;
}

.solution-media.instruments {
  background-image: url("assets/card-instrumentation.png");
  background-position: center 48%;
}

.solution-media.education {
  background-image: url("assets/card-clinical-support.png");
  background-position: center 42%;
}

.solution-body {
  position: relative;
  min-height: 228px;
  padding: 48px 24px 24px;
}

.solution-icon {
  position: absolute;
  top: -34px;
  left: 24px;
  color: var(--white);
  background: linear-gradient(135deg, #0875ff, #05219b);
}

.solution-card h3 {
  font-size: 1.28rem;
}

.solution-card p {
  font-size: 1.01rem;
}

.about {
  position: relative;
  display: grid;
  grid-template-columns: minmax(320px, 520px) 1fr;
  min-height: 345px;
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.about-image {
  position: absolute;
  inset: 0;
  background-image: url("assets/nationwide-network.png");
  background-position: center;
  background-size: cover;
}

.about::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(103deg, rgba(255, 255, 255, 0.98) 0%, rgba(255, 255, 255, 0.93) 40%, rgba(255, 255, 255, 0.2) 41%, rgba(255, 255, 255, 0.05) 100%);
}

.about-panel {
  position: relative;
  z-index: 1;
  padding: 26px 38px;
}

.about-panel h2 {
  max-width: 430px;
  font-size: clamp(2rem, 4vw, 2.8rem);
}

.about-panel h2::first-line {
  color: var(--ink);
}

.about-panel p {
  max-width: 450px;
}

.stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  max-width: 480px;
  margin-top: 18px;
}

.stat-item {
  display: flex;
  min-width: 0;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  gap: 6px;
  text-align: center;
}

.stat-item svg {
  display: block;
  flex: 0 0 38px;
  width: 38px !important;
  min-width: 38px;
  height: 38px !important;
  color: var(--blue);
  stroke-width: 1.7;
}

.stat-item strong {
  color: var(--navy);
  font-size: 0.73rem;
  font-weight: 950;
  line-height: 1.08;
  text-transform: uppercase;
}

.cta {
  display: grid;
  grid-template-columns: 76px 1fr auto;
  align-items: center;
  gap: 18px;
  max-width: 1080px;
  margin: 0 auto;
  padding: 24px 38px;
}

.cta-mark {
  color: var(--white);
  background: linear-gradient(135deg, #0875ff, #05219b);
}

.cta h2 {
  font-size: clamp(1.45rem, 2.6vw, 1.95rem);
}

.cta p {
  max-width: 660px;
  margin-top: 2px;
}

.footer {
  border-top: 1px solid var(--line);
  background: var(--white);
}

.footer-main {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 46px;
  max-width: 1368px;
  margin: 0 auto;
  padding: 30px 38px 28px;
}

.footer .brand img {
  width: min(100%, 360px);
}

.social {
  display: flex;
  gap: 12px;
  margin-top: 12px;
}

.social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 31px;
  height: 31px;
  color: var(--blue);
  border: 2px solid currentColor;
  border-radius: 3px;
}

.social svg {
  width: 18px;
  height: 18px;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.footer-links div {
  display: grid;
  align-content: start;
  gap: 4px;
}

.footer h2 {
  margin-bottom: 5px;
  font-size: 0.94rem;
}

.footer a,
.footer p {
  color: var(--ink);
  font-size: 0.88rem;
  font-weight: 750;
}

.fine-print {
  color: var(--white);
  background: linear-gradient(90deg, #020f52, #061d84);
}

.fine-print p {
  max-width: 980px;
  margin: 0 auto;
  padding: 10px 38px;
  color: var(--white);
  font-size: 0.82rem;
  line-height: 1.25;
  text-align: center;
}

@media (max-width: 1120px) {
  .site-header {
    min-height: 82px;
    padding: 16px 24px;
  }

  .main-nav {
    gap: 18px;
    font-size: 0.8rem;
  }

  .hero-content {
    grid-template-columns: 1fr;
    padding: 118px 28px 42px;
  }

  .hero-features {
    grid-template-columns: repeat(3, 1fr);
    max-width: none;
    margin: 0;
    padding: 18px;
    background: rgba(255, 255, 255, 0.78);
    border: 1px solid rgba(203, 216, 241, 0.9);
    border-radius: 8px;
  }

  .hero-features article {
    grid-template-columns: 56px 1fr;
  }

  .hero-features article + article {
    padding-top: 0;
    border-top: 0;
  }

  .feature-icon {
    width: 54px;
    height: 54px;
  }

  .feature-icon svg {
    width: 28px;
    height: 28px;
  }

  .trust-band,
  .solution-grid,
  .footer-links {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .trust-band article:nth-child(n + 3) {
    margin-top: 22px;
  }

  .footer-main {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 980px) {
  .site-header {
    min-height: 82px;
    padding: 14px 20px;
  }

  .brand img {
    width: min(62vw, 330px);
  }

  .nav-toggle {
    display: block;
  }

  .main-nav {
    position: absolute;
    top: calc(100% - 1px);
    left: 12px;
    right: 12px;
    display: none;
    grid-template-columns: 1fr;
    gap: 0;
    padding: 8px;
    background: rgba(255, 255, 255, 0.98);
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: var(--shadow);
  }

  .main-nav.open {
    display: grid;
  }

  .main-nav a {
    padding: 13px 12px;
  }

  .main-nav a::after {
    display: none;
  }
}

@media (max-width: 760px) {
  .site-header {
    min-height: 74px;
    padding: 12px 16px;
  }

  .brand img {
    width: min(68vw, 270px);
  }

  .nav-toggle {
    display: block;
  }

  .main-nav {
    position: absolute;
    top: calc(100% - 1px);
    left: 12px;
    right: 12px;
    display: none;
    grid-template-columns: 1fr;
    gap: 0;
    padding: 8px;
    background: rgba(255, 255, 255, 0.98);
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: var(--shadow);
  }

  .main-nav.open {
    display: grid;
  }

  .main-nav a {
    padding: 13px 12px;
  }

  .main-nav a::after {
    display: none;
  }

  .hero {
    min-height: auto;
  }

  .hero-bg {
    background-position: 58% top;
    background-size: auto 58%;
    background-repeat: no-repeat;
  }

  .hero-overlay {
    background:
      linear-gradient(180deg, rgba(255, 255, 255, 0.08) 0%, rgba(255, 255, 255, 0.8) 36%, rgba(255, 255, 255, 0.98) 54%),
      linear-gradient(90deg, rgba(255, 255, 255, 0.8), rgba(255, 255, 255, 0.2));
  }

  .hero-content {
    min-height: 740px;
    padding: 300px 20px 34px;
  }

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

  .hero-copy p {
    font-size: 1rem;
  }

  .button {
    width: 100%;
    min-height: 56px;
    padding: 0 18px;
  }

  .hero-features,
  .trust-band,
  .solution-grid,
  .about,
  .cta,
  .footer-main,
  .footer-links {
    grid-template-columns: 1fr;
  }

  .hero-features {
    gap: 16px;
  }

  .hero-features article {
    grid-template-columns: 52px 1fr;
  }

  .trust-band,
  .solutions,
  .footer-main {
    padding-left: 20px;
    padding-right: 20px;
  }

  .trust-band article {
    padding: 18px 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .trust-band article:first-child {
    padding-top: 0;
  }

  .trust-band article:last-child {
    padding-bottom: 0;
    border-bottom: 0;
  }

  .trust-band article:nth-child(n + 3) {
    margin-top: 0;
  }

  .section-heading h2,
  .about-panel h2 {
    font-size: 1.8rem;
  }

  .solution-body {
    min-height: 190px;
  }

  .about::after {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.97) 0%, rgba(255, 255, 255, 0.86) 58%, rgba(255, 255, 255, 0.22) 100%);
  }

  .about-panel {
    padding: 28px 20px 240px;
  }

  .about-image {
    background-position: center bottom;
  }

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

  .cta {
    padding: 24px 20px;
  }

  .cta-mark {
    width: 64px;
    height: 64px;
  }

  .fine-print p {
    padding: 12px 20px;
  }
}
