:root {
  --navy-950: #031222;
  --navy-900: #061a31;
  --navy-800: #08243f;
  --blue-500: #008fff;
  --cyan-400: #18d5ee;
  --cyan-300: #71efff;
  --white: #ffffff;
  --ink: #102033;
  --muted: #5b6d82;
  --line: #d9e7f3;
  --panel: #f5f9fd;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: "Segoe UI", Arial, sans-serif;
  line-height: 1.55;
  background: var(--white);
}

a {
  color: inherit;
}

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

code {
  padding: 1px 5px;
  color: var(--navy-950);
  border-radius: 4px;
  background: rgba(24, 213, 238, 0.14);
  font-family: "Cascadia Mono", Consolas, monospace;
  font-size: 0.92em;
}

.section-dark code {
  color: var(--white);
  background: rgba(24, 213, 238, 0.18);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  min-height: 76px;
  padding: 14px clamp(20px, 4vw, 56px);
  background: rgba(3, 18, 34, 0.96);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  min-width: 210px;
}

.brand img {
  width: 236px;
  height: auto;
}

.top-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px 22px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 15px;
}

.top-nav a {
  text-decoration: none;
  white-space: nowrap;
}

.top-nav a:hover,
.top-nav a:focus-visible {
  color: var(--cyan-300);
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(360px, 1.08fr);
  align-items: start;
  gap: clamp(28px, 5vw, 72px);
  min-height: calc(100vh - 76px);
  padding: clamp(36px, 6vw, 76px) clamp(20px, 5vw, 72px) clamp(52px, 7vw, 92px);
  color: var(--white);
  background: var(--navy-950);
}

.hero-copy {
  max-width: 670px;
  padding-top: 0;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--cyan-400);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  margin: 0;
  font-size: clamp(42px, 7vw, 88px);
  line-height: 0.96;
  letter-spacing: 0;
}

.lead {
  margin: 24px 0 0;
  max-width: 620px;
  color: #eef8ff;
  font-size: clamp(21px, 3vw, 32px);
  line-height: 1.18;
}

.hero-text {
  margin: 22px 0 0;
  max-width: 600px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 18px;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 18px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-weight: 700;
  text-decoration: none;
}

.button::after {
  content: "→";
  margin-left: 10px;
}

.button.primary {
  color: var(--navy-950);
  background: var(--cyan-400);
}

.button.secondary {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.36);
  background: rgba(255, 255, 255, 0.07);
}

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

.hero-media {
  position: relative;
  min-width: 0;
}

.product-logo {
  position: relative;
  z-index: 1;
  width: min(360px, 56vw);
  margin: 0 0 -54px auto;
  border-radius: 8px;
  box-shadow: 0 28px 70px rgba(0, 143, 255, 0.22);
}

.hero-screen {
  position: relative;
  z-index: 2;
  width: 100%;
  margin-top: 0;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  box-shadow: 0 34px 90px rgba(0, 0, 0, 0.42);
}

.summary-band {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  max-width: var(--max);
  margin: -38px auto 0;
  padding: 0 clamp(20px, 4vw, 0px);
  position: relative;
  z-index: 3;
}

.summary-band div {
  min-height: 116px;
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--line);
}

.summary-band strong,
.summary-band span {
  display: block;
}

.summary-band strong {
  color: var(--navy-900);
  font-size: 14px;
}

.summary-band span {
  margin-top: 8px;
  color: var(--muted);
}

.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(72px, 8vw, 112px) clamp(20px, 4vw, 32px);
}

.section-heading {
  max-width: 820px;
  margin-bottom: 36px;
}

.section-heading h2,
.split-section h2,
.contact-band h2 {
  margin: 0;
  color: var(--navy-950);
  font-size: clamp(31px, 4vw, 48px);
  line-height: 1.08;
  letter-spacing: 0;
}

.section-heading p:not(.eyebrow),
.cert-text p,
.contact-band p {
  color: var(--muted);
  font-size: 18px;
}

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

.feature-card {
  min-height: 238px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.feature-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  margin-bottom: 18px;
  color: var(--white);
  font-weight: 800;
  border-radius: 50%;
  background: var(--blue-500);
}

.feature-card h3,
.flow-step h3 {
  margin: 0 0 10px;
  color: var(--navy-950);
  font-size: 21px;
  line-height: 1.2;
}

.feature-card p,
.flow-step p {
  margin: 0;
  color: var(--muted);
}

.section-dark {
  max-width: none;
  padding-left: max(clamp(20px, 4vw, 32px), calc((100vw - var(--max)) / 2 + 32px));
  padding-right: max(clamp(20px, 4vw, 32px), calc((100vw - var(--max)) / 2 + 32px));
  color: var(--white);
  background: var(--navy-900);
}

.section-dark .section-heading h2,
.section-dark .flow-step h3 {
  color: var(--white);
}

.section-dark .section-heading p:not(.eyebrow),
.section-dark .flow-step p {
  color: rgba(255, 255, 255, 0.72);
}

.flow-layout {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.flow-step {
  min-height: 230px;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
}

.flow-step span {
  display: inline-block;
  margin-bottom: 34px;
  color: var(--cyan-300);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(0, 1fr);
  gap: clamp(28px, 6vw, 72px);
  align-items: start;
}

.cert-text {
  padding-left: 28px;
  border-left: 4px solid var(--cyan-400);
}

.cert-text p:first-child {
  margin-top: 0;
}

.cert-text p:last-child {
  margin-bottom: 0;
}

.screenshot-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

figure img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: contain;
  background: #edf4fb;
}

figcaption {
  padding: 14px 16px;
  color: var(--navy-900);
  font-weight: 800;
  border-top: 1px solid var(--line);
}

.docs-section {
  padding-top: 32px;
}

.doc-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.doc-list a {
  min-height: 152px;
  padding: 22px;
  color: var(--ink);
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.doc-list a::after {
  content: "Preuzmi →";
  display: block;
  margin-top: 22px;
  color: var(--blue-500);
  font-weight: 800;
}

.doc-list strong,
.doc-list span {
  display: block;
}

.doc-list span {
  margin-top: 8px;
  color: var(--muted);
}

.contact-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  max-width: var(--max);
  margin: 0 auto 64px;
  padding: 40px clamp(20px, 4vw, 32px);
  border-radius: 8px;
  background: var(--navy-950);
}

.contact-band h2,
.contact-band p {
  color: var(--white);
}

.contact-band p {
  max-width: 680px;
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.74);
}

.contact-details {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  max-width: 820px;
  margin: 24px 0 0;
}

.contact-details div {
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
}

.contact-details dt {
  margin: 0 0 6px;
  color: var(--cyan-300);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.contact-details dd {
  margin: 0;
  color: var(--white);
  font-weight: 700;
}

.contact-details a {
  color: inherit;
  text-decoration: none;
}

.contact-details a:hover,
.contact-details a:focus-visible {
  color: var(--cyan-300);
}

.contact-band .button.secondary {
  color: var(--white);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 24px clamp(20px, 4vw, 56px);
  color: rgba(255, 255, 255, 0.72);
  background: var(--navy-950);
}

@media (max-width: 980px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .top-nav {
    justify-content: flex-start;
  }

  .hero,
  .split-section {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .product-logo {
    position: relative;
    width: min(260px, 62vw);
    top: auto;
    left: auto;
    margin-left: 0;
  }

  .hero-screen {
    margin-top: 0;
  }

  .hero-media {
    position: relative;
  }

  .summary-band,
  .feature-grid,
  .flow-layout,
  .doc-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .contact-band {
    align-items: flex-start;
    flex-direction: column;
    margin-left: 20px;
    margin-right: 20px;
  }

  .contact-details {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .brand img {
    width: 210px;
  }

  .top-nav {
    gap: 10px 16px;
    font-size: 14px;
  }

  .hero {
    padding-top: 42px;
  }

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

  .button {
    width: 100%;
  }

  .summary-band,
  .feature-grid,
  .flow-layout,
  .screenshot-grid,
  .doc-list {
    grid-template-columns: 1fr;
  }

  .summary-band {
    margin-top: 0;
  }

  .feature-card,
  .flow-step {
    min-height: auto;
  }

  .cert-text {
    padding-left: 18px;
  }

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