/* ==================================================================================================
   File: style.css
   Description: Main stylesheet for the Monowlith Phantom CMS theme.
   Author: LoTeK (Stephan Kühn)
   Mail: info@lotek-zone.com
   Web: https://lotek-zone.com/
   GitHub: https://github.com/LoTeK-Zone
   Repository: https://github.com/LoTeK-Zone/phantom-cms
   Version: 0.1.1
   Last Updated: 2026-05-27
   License: MIT
   ================================================================================================== */
:root {
   --mono-bg: #f6f8f8;
   --mono-paper: #fffefa;
   --mono-panel: #f1f7fa;
   --mono-panel-strong: #e8f1f6;
   --mono-ink: #071526;
   --mono-text: #152033;
   --mono-muted: #5b6571;
   --mono-line: #d8e2e7;
   --mono-blue: #6f97b2;
   --mono-blue-soft: #d9e8f1;
   --mono-blue-dark: #16395a;
   --mono-navy: #0d2238;
   --mono-width: 1136px;
   --mono-radius: 4px;
   --mono-shadow-soft: 0 14px 36px rgba(18, 43, 63, 0.08);
}
* {
   box-sizing: border-box;
}
html,
body {
   margin: 0;
   padding: 0;
}
html {
   min-height: 100%;
   background: var(--mono-bg);
}
body {
   min-height: 100%;
   color: var(--mono-text);
   background: linear-gradient(180deg, #ffffff 0%, #fbfcfb 420px, #f6f8f8 100%);
   font-family: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, Arial, sans-serif;
   font-size: 16px;
   line-height: 1.66;
}
a {
   color: var(--mono-blue-dark);
   text-decoration: none;
}
a:hover,
a:focus {
   text-decoration: underline;
   text-underline-offset: 4px;
}
.mono-shell {
   min-height: 100vh;
   display: flex;
   flex-direction: column;
}
.mono-header {
   background: rgba(255, 255, 252, 0.96);
   border-bottom: 1px solid rgba(9, 28, 46, 0.08);
}
.mono-header-inner {
   width: min(calc(100% - 56px), var(--mono-width));
   min-height: 156px;
   margin: 0 auto;
   display: flex;
   align-items: center;
   justify-content: space-between;
   gap: 36px;
}
.mono-brand {
   display: inline-flex;
   align-items: center;
   gap: 18px;
   min-width: 260px;
   color: var(--mono-ink);
}
.mono-brand:hover,
.mono-brand:focus {
   text-decoration: none;
}
.mono-brand-logo {
   width: 92px;
   height: 92px;
   display: grid;
   place-items: center;
   overflow: hidden;
   border-radius: 999px;
   background: #061322;
}
.mono-brand-logo img {
   width: 100%;
   height: 100%;
   object-fit: cover;
}
.mono-brand-copy {
   display: grid;
   gap: 4px;
}
.mono-brand-name {
   color: var(--mono-ink);
   font-family: Georgia, "Times New Roman", serif;
   font-size: clamp(2.1rem, 4vw, 3.12rem);
   line-height: 0.96;
   letter-spacing: 0.14em;
}
.mono-brand-subtitle {
   color: #4f5965;
   font-size: 0.98rem;
   letter-spacing: 0.045em;
}
.mono-header-right {
   display: grid;
   justify-items: end;
   gap: 16px;
}
.mono-language {
   display: inline-flex;
   align-items: center;
   gap: 7px;
   color: var(--mono-navy);
   font-size: 0.78rem;
   font-weight: 700;
   letter-spacing: 0.14em;
}
.mono-language a {
   color: var(--mono-navy);
}
.mono-banner {
   min-height: 116px;
   background-color: #d8e7f0;
   background-position: center center;
   background-size: cover;
   background-repeat: no-repeat;
   border-top: 1px solid rgba(9, 28, 46, 0.08);
   border-bottom: 1px solid rgba(9, 28, 46, 0.10);
}
.mono-main {
   width: min(calc(100% - 56px), var(--mono-width));
   margin: 42px auto 0;
   flex: 1 0 auto;
}
.mono-notice {
   display: grid;
   grid-template-columns: auto 1fr;
   gap: 22px;
   align-items: center;
   margin: 0 0 38px;
   padding: 18px 28px;
   color: #22364a;
   background: rgba(241, 247, 250, 0.88);
   border: 1px solid #cadae4;
   border-radius: var(--mono-radius);
}
.mono-notice-icon {
   width: 38px;
   height: 38px;
   display: inline-grid;
   place-items: center;
   color: var(--mono-blue-dark);
   border: 3px solid var(--mono-blue-dark);
   border-radius: 50%;
   font-family: Georgia, "Times New Roman", serif;
   font-size: 1.35rem;
   font-weight: 700;
}
.mono-notice span span {
   color: #63707d;
   font-size: 0.92rem;
}
.mono-intro-grid {
   display: grid;
   grid-template-columns: minmax(0, 1.05fr) minmax(340px, 0.95fr);
   gap: 58px;
   align-items: stretch;
}
.mono-intro-copy {
   padding: 8px 0 0;
}
.mono-intro-copy h1 {
   max-width: 560px;
   margin: 0;
   color: var(--mono-ink);
   font-family: Georgia, "Times New Roman", serif;
   font-size: clamp(3rem, 6vw, 4.7rem);
   font-weight: 400;
   line-height: 1.12;
   letter-spacing: 0.035em;
}
.mono-title-line,
.mono-small-line {
   width: 48px;
   height: 2px;
   margin: 30px 0 24px;
   background: var(--mono-blue-dark);
}
.mono-intro-copy p {
   max-width: 500px;
   margin: 0;
   color: #182434;
   font-size: 1.05rem;
}
.mono-actions {
   display: flex;
   flex-wrap: wrap;
   align-items: center;
   gap: 28px;
   margin-top: 34px;
}
.mono-button {
   display: inline-flex;
   align-items: center;
   justify-content: center;
   min-width: 156px;
   min-height: 39px;
   padding: 0 24px;
   color: #ffffff;
   background: var(--mono-blue-dark);
   border: 1px solid var(--mono-blue-dark);
   border-radius: 2px;
   font-size: 0.78rem;
   font-weight: 700;
   letter-spacing: 0.18em;
   text-transform: uppercase;
}
.mono-button:hover,
.mono-button:focus {
   color: #ffffff;
   background: var(--mono-navy);
   text-decoration: none;
}
.mono-text-link {
   font-size: 0.94rem;
   font-weight: 600;
   letter-spacing: 0.05em;
}
.mono-about-card {
   min-height: 260px;
   padding: 44px 56px;
   display: flex;
   flex-direction: column;
   align-items: center;
   justify-content: center;
   text-align: center;
   background: linear-gradient(135deg, rgba(241, 247, 250, 0.95), rgba(232, 241, 246, 0.88));
   border: 1px solid var(--mono-line);
   border-radius: var(--mono-radius);
   box-shadow: var(--mono-shadow-soft);
}
.mono-card-logo {
   width: 76px;
   height: 76px;
   overflow: hidden;
   border-radius: 999px;
   background: var(--mono-navy);
}
.mono-card-logo img {
   width: 100%;
   height: 100%;
   object-fit: cover;
}
.mono-about-card h2 {
   margin: 26px 0 0;
   color: var(--mono-ink);
   font-family: Georgia, "Times New Roman", serif;
   font-size: 2.2rem;
   font-weight: 400;
   line-height: 1.18;
}
.mono-about-card .mono-small-line {
   margin: 18px auto 18px;
}
.mono-about-card p {
   max-width: 300px;
   margin: 0;
   font-size: 1.08rem;
}
.mono-feature-grid {
   display: grid;
   grid-template-columns: repeat(3, minmax(0, 1fr));
   gap: 18px;
   margin-top: 36px;
}
.mono-feature-card {
   min-height: 154px;
   display: grid;
   grid-template-columns: 86px 1fr;
   column-gap: 20px;
   align-items: center;
   padding: 26px 28px;
   background: rgba(255, 255, 252, 0.92);
   border: 1px solid var(--mono-line);
   border-radius: var(--mono-radius);
}
.mono-feature-icon,
.mono-large-icon,
.mono-values span {
   display: inline-grid;
   place-items: center;
   color: var(--mono-blue-dark);
   background: #edf4f7;
   border-radius: 50%;
}
.mono-feature-icon {
   width: 72px;
   height: 72px;
   font-size: 1.55rem;
   font-weight: 700;
}
.mono-feature-card h3,
.mono-values h3,
.mono-design-right h3 {
   margin: 0;
   color: var(--mono-ink);
   font-family: Georgia, "Times New Roman", serif;
   font-size: 1.36rem;
   font-weight: 400;
   line-height: 1.24;
}
.mono-feature-card p {
   grid-column: 2;
   margin: -24px 0 0;
   color: #253445;
   font-size: 0.96rem;
}
.mono-feature-card a {
   grid-column: 2;
   margin-top: 8px;
   color: var(--mono-blue-dark);
   font-size: 0.78rem;
   font-weight: 700;
   letter-spacing: 0.16em;
   text-transform: uppercase;
}
.mono-design-panel {
   display: grid;
   grid-template-columns: 1.25fr 1fr;
   gap: 38px;
   margin-top: 34px;
   padding: 34px 46px;
   background: linear-gradient(135deg, #edf5f8, #f6f9fa);
   border: 1px solid var(--mono-line);
   border-radius: var(--mono-radius);
   box-shadow: var(--mono-shadow-soft);
}
.mono-design-left {
   display: grid;
   grid-template-columns: 108px 1fr;
   gap: 28px;
   align-items: center;
}
.mono-large-icon {
   width: 76px;
   height: 76px;
   font-size: 2rem;
   border: 4px solid #c5dbe7;
}
.mono-design-left h2 {
   margin: 0;
   color: var(--mono-ink);
   font-family: Georgia, "Times New Roman", serif;
   font-size: 1.58rem;
   font-weight: 400;
}
.mono-design-left .mono-small-line {
   margin: 14px 0 16px;
}
.mono-design-left p {
   margin: 0;
   max-width: 460px;
   font-size: 0.97rem;
}
.mono-design-right {
   padding-left: 36px;
   border-left: 1px solid #cddde5;
}
.mono-design-right h3 {
   margin-bottom: 18px;
}
.mono-design-right ul {
   display: grid;
   gap: 9px;
   margin: 0;
   padding: 0;
   list-style: none;
   font-size: 0.95rem;
}
.mono-design-right li {
   position: relative;
   padding-left: 26px;
}
.mono-design-right li::before {
   content: "✓";
   position: absolute;
   left: 0;
   top: 0.05em;
   width: 17px;
   height: 17px;
   display: inline-grid;
   place-items: center;
   color: var(--mono-blue-dark);
   border: 1px solid var(--mono-blue-dark);
   border-radius: 50%;
   font-size: 0.68rem;
   line-height: 1;
}
.mono-values {
   display: grid;
   grid-template-columns: repeat(4, minmax(0, 1fr));
   gap: 26px;
   margin: 34px 0 34px;
   padding-bottom: 28px;
   border-bottom: 1px solid var(--mono-line);
}
.mono-values article {
   display: grid;
   grid-template-columns: 52px 1fr;
   column-gap: 17px;
   align-items: start;
}
.mono-values span {
   width: 46px;
   height: 46px;
   font-size: 1.28rem;
}
.mono-values h3 {
   font-size: 1.1rem;
}
.mono-values p {
   grid-column: 2;
   margin: 3px 0 0;
   color: #2d3b4a;
   font-size: 0.86rem;
   line-height: 1.45;
}
.mono-content {
   margin-top: 34px;
   padding: clamp(30px, 5vw, 54px);
   background: rgba(255, 255, 252, 0.94);
   border: 1px solid var(--mono-line);
   border-radius: var(--mono-radius);
   box-shadow: var(--mono-shadow-soft);
}
.mono-content > :first-child {
   margin-top: 0;
}
.mono-content > :last-child {
   margin-bottom: 0;
}
.mono-content h1,
.mono-content h2 {
   color: var(--mono-ink);
   font-family: Georgia, "Times New Roman", serif;
   font-weight: 400;
   line-height: 1.18;
}
.mono-content h1 {
   margin: 0 0 20px;
   font-size: clamp(2.4rem, 5vw, 3.8rem);
}
.mono-content h2 {
   margin: 40px 0 16px;
   font-size: clamp(1.75rem, 3vw, 2.35rem);
}
.mono-content h3 {
   margin: 28px 0 8px;
   color: #183248;
   font-size: 1.08rem;
   letter-spacing: 0.08em;
   text-transform: uppercase;
}
.mono-content p,
.mono-content li {
   max-width: 780px;
}
.mono-content blockquote {
   margin: 0 0 28px;
   padding: 18px 22px;
   color: #26394a;
   background: #eef5f8;
   border-left: 4px solid var(--mono-blue);
}
.mono-footer {
   flex: 0 0 auto;
   margin-top: 0;
   background: #fffefa;
}
.mono-footer-inner {
   width: min(calc(100% - 56px), var(--mono-width));
   min-height: 66px;
   margin: 0 auto;
   display: flex;
   align-items: center;
   justify-content: space-between;
   gap: 20px;
   color: #2c3948;
   border-top: 1px solid var(--mono-line);
   font-size: 0.9rem;
}
.mono-footer-nav {
   display: flex;
   align-items: center;
   gap: 26px;
}
.mono-footer-nav a {
   color: #152a43;
}
@media (max-width: 980px) {
   .mono-header-inner {
      min-height: 132px;
      align-items: flex-start;
      flex-direction: column;
      justify-content: center;
      gap: 22px;
      padding: 24px 0;
   }
   .mono-header-right {
      width: 100%;
      justify-items: start;
   }
   .mono-intro-grid,
   .mono-design-panel {
      grid-template-columns: 1fr;
   }
   .mono-design-right {
      padding-left: 0;
      padding-top: 26px;
      border-left: 0;
      border-top: 1px solid #cddde5;
   }
   .mono-feature-grid,
   .mono-values {
      grid-template-columns: repeat(2, minmax(0, 1fr));
   }
}
@media (max-width: 700px) {
   .mono-header-inner,
   .mono-main,
   .mono-footer-inner {
      width: min(calc(100% - 28px), var(--mono-width));
   }
   .mono-brand-logo {
      width: 70px;
      height: 70px;
   }
   .mono-brand-name {
      font-size: 2rem;
   }
   .mono-banner {
      min-height: 84px;
   }
   .mono-notice,
   .mono-intro-grid,
   .mono-feature-grid,
   .mono-design-panel,
   .mono-values {
      margin-top: 26px;
   }
   .mono-notice {
      grid-template-columns: 1fr;
      gap: 12px;
      padding: 18px;
   }
   .mono-about-card,
   .mono-design-panel,
   .mono-content {
      padding: 26px 22px;
   }
   .mono-feature-grid,
   .mono-values {
      grid-template-columns: 1fr;
   }
   .mono-feature-card,
   .mono-design-left,
   .mono-values article {
      grid-template-columns: 1fr;
   }
   .mono-feature-card p,
   .mono-feature-card a,
   .mono-values p {
      grid-column: 1;
      margin-top: 8px;
   }
   .mono-footer-inner {
      align-items: flex-start;
      flex-direction: column;
      justify-content: center;
      padding: 20px 0;
   }
}