:root {
  --color-black: #000000;
  --color-off-black: #111111;
  --color-dark-gray: #222222;
  --color-white: #ffffff;
  --color-text-on-dark: #cbcbcb;
  --color-text-on-light: #1a1a1a;
  --color-heading-on-dark: #ffffff;
  --color-accent-blue: #0fc0ec;
  --color-accent-blue-hover: #0cb0d8;
  --color-risk: #fd5449;
  --color-alert: #f9dc4a;
  --color-success: #31d761;
  --font-family-base: "Roboto", sans-serif;
  --font-family-buttons: "Inter", sans-serif;
  --container-width: 1200px;
  --header-height: 80px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  height: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: var(--font-family-base);
  background-color: var(--color-black);
  color: var(--color-text-on-dark);
  line-height: 1.6;
  font-weight: 300;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  padding-top: var(--header-height);
}

a {
  color: inherit;
}

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

.main-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background-color: var(--color-black);
  border-bottom: 1px solid #222;
  z-index: 1000;
}

.header-container {
  width: 100%;
  padding: 0 40px;
  height: 100%;
}

.header-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  height: 100%;
  gap: 16px;
}

.header-left {
  display: flex;
  align-items: center;
}

.header-center {
  color: var(--color-white);
  font-size: 14px;
  text-align: center;
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.header-right {
  display: flex;
  justify-content: flex-end;
  align-items: center;
}

.navbar-logo {
  height: 40px;
  width: auto;
}

.page-shell {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 42px 20px 56px;
  flex: 1 0 auto;
}

.hero {
  padding-top: 8px;
}

.hero__eyebrow {
  margin: 0 0 12px;
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-accent-blue);
}

.hero h1 {
  margin: 0 0 10px;
  color: var(--color-heading-on-dark);
  font-size: clamp(2rem, 4vw, 2.8rem);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 300;
}

.hero__lead {
  max-width: 760px;
  margin: 0;
  color: var(--color-text-on-dark);
  font-size: 1.05rem;
}

.certificado-form {
  margin-top: 28px;
  padding: 22px;
  border: 1px solid #2f2f2f;
  background: #090909;
}

.certificado-form__label {
  display: block;
  margin-bottom: 10px;
  color: var(--color-heading-on-dark);
  font-size: 0.95rem;
  font-weight: 400;
  letter-spacing: 0.03em;
}

.certificado-form__row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.certificado-form__row input {
  flex: 1 1 320px;
  min-width: 0;
  width: 100%;
  padding: 12px 16px;
  border: 1px solid #444;
  background-color: #111;
  color: white;
  border-radius: 0;
  font-family: var(--font-family-base);
  font-size: 16px;
  font-weight: 300;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  outline: none;
}

.certificado-form__row input:focus {
  border-color: var(--color-accent-blue);
}

.button {
  border: 1px solid transparent;
  border-radius: 0;
  padding: 12px 18px;
  font-family: var(--font-family-buttons);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.button--small {
  padding: 10px 14px;
  font-size: 0.72rem;
}

.button:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}

.button--primary {
  background: var(--color-accent-blue);
  border-color: var(--color-accent-blue);
  color: var(--color-black);
}

.button--primary:hover:not(:disabled) {
  background: var(--color-accent-blue-hover);
  border-color: var(--color-accent-blue-hover);
}

.button--secondary {
  background: transparent;
  border-color: #4d4d4d;
  color: var(--color-white);
}

.button--secondary:hover {
  border-color: var(--color-accent-blue);
}

.hint,
.message {
  margin: 10px 0 0;
  font-size: 0.95rem;
}

.hint {
  color: #999;
}

.message--error {
  color: var(--color-risk);
}

.message--success {
  color: var(--color-success);
}

.state {
  margin-top: 26px;
  display: none;
}

.state.is-visible {
  display: block;
}

.state-card {
  margin-top: 18px;
  border: 1px solid #2f2f2f;
  background: #070707;
  padding: 22px;
}

.state-card h2 {
  margin: 0 0 10px;
  color: var(--color-heading-on-dark);
  font-size: 1.5rem;
  font-weight: 300;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.state-card p {
  margin: 0;
  color: var(--color-text-on-dark);
}

.result {
  display: grid;
  grid-template-columns: minmax(320px, 1.1fr) minmax(280px, 0.9fr);
  gap: 24px;
  align-items: start;
}

.result__media {
  position: relative;
  border: 1px solid #333;
  background: #000;
  padding: 12px;
}

.result__image {
  width: 100%;
  max-height: 640px;
  object-fit: contain;
  display: block;
  background: #f8f8f8;
}

.result__badge {
  position: absolute;
  top: 14px;
  right: 14px;
  background: var(--color-success);
  color: #07111f;
  font-family: var(--font-family-buttons);
  font-size: 0.78rem;
  font-weight: 800;
  padding: 10px 12px;
  letter-spacing: 0.1em;
}

.result__content {
  min-width: 0;
}

.result__title {
  margin: 0 0 12px;
  color: var(--color-heading-on-dark);
  font-size: 1.55rem;
  font-weight: 300;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.result__summary {
  margin: 0 0 18px;
  color: #9f9f9f;
}

.meta {
  display: grid;
  grid-template-columns: 1fr;
  margin: 0;
  border-top: 1px solid #2a2a2a;
}

.meta div {
  display: grid;
  grid-template-columns: minmax(120px, 160px) 1fr;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid #2a2a2a;
}

.meta dt {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: #8f8f8f;
}

.meta dd {
  margin: 0;
  color: var(--color-white);
  font-weight: 500;
  word-break: break-word;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.footer-component {
  background-color: #050505;
  padding: 80px 0 40px;
  width: 100%;
  margin-top: auto;
}

.page-footer__inner {
  width: 100%;
  margin: 0 auto;
}

.footer-component-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 40px 40px;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-component-logo {
  height: 64px;
  opacity: 0.8;
  transition: opacity 0.2s;
}

.footer-component-logo:hover {
  opacity: 1;
}

.footer-component-social {
  display: flex;
  gap: 16px;
}

.social-icon {
  width: 32px;
  height: 32px;
  border: 1px solid #444;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  transition: all 0.2s;
  text-decoration: none;
}

.social-icon:hover,
.footer-component-link:hover {
  border-color: var(--color-accent-blue);
  color: var(--color-accent-blue);
}

.social-icon svg {
  width: 14px;
  height: 14px;
  fill: currentColor;
}

.footer-component-bottom {
  border-top: 1px solid #222;
  padding: 32px 40px 0 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: #666;
  font-weight: 300;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-component-copyright {
  flex: 1;
  min-width: 200px;
}

.footer-component-links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-component-link {
  color: #666;
  text-decoration: none;
  transition: color 0.2s;
}

@media (max-width: 900px) {
  .result {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .header-grid {
    grid-template-columns: auto 1fr auto;
    gap: 16px;
  }

  .header-center {
    font-size: 11px;
    letter-spacing: 0.3px;
  }

  .header-container {
    padding: 0 20px;
  }

  .page-shell {
    padding: 28px 16px 44px;
  }

  .hero h1 {
    font-size: 1.8rem;
  }

  .certificado-form,
  .state-card {
    padding: 18px;
  }

  .meta div {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .actions {
    flex-direction: column;
  }

  .actions .button {
    width: 100%;
  }

  .footer-component {
    padding: 60px 0 40px;
  }

  .footer-component-top {
    flex-direction: column;
    text-align: center;
    padding-bottom: 30px;
  }

  .footer-component-bottom {
    flex-direction: column;
    text-align: center;
  }

  .footer-component-copyright {
    width: 100%;
  }

  .footer-component-links {
    justify-content: center;
    width: 100%;
  }
}