:root {
      --color-void: #0D1117;
      --color-slate: #1C2B3A;
      --color-slate-mid: #253545;
      --color-steel: #3A5068;
      --color-ice: #5B9EC9;
      --color-ice-light: #8BBEDD;
      --color-ice-pale: #C0D8EC;
      --color-white: #FFFFFF;
      --color-off-white: #EDF2F7;
      --color-mist: #A8BFCE;

      --font-serif: 'Goudy Bookletter 1911', Georgia, serif;
      --font-sans: 'Poppins', system-ui, sans-serif;

      --radius-sm: 6px;
      --radius-md: 12px;
      --radius-lg: 20px;
      --radius-xl: 32px;
      --radius-full: 9999px;

      --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
      --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
      --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.12);

      --container-xl: 1280px;
      --nav-height: 72px;
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: var(--font-sans);
      background: var(--color-off-white);
      color: var(--color-void);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
      text-rendering: optimizeLegibility;
    }

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

    .container {
      width: 100%;
      max-width: var(--container-xl);
      margin-inline: auto;
      padding-inline: 1.5rem;
    }

    @media (min-width: 768px) {
      .container {
        padding-inline: 2.5rem;
      }
    }

    .hero-section {
      position: relative;
      min-height: 72vh;
      background: #010101;
      display: flex;
      align-items: flex-end;
      overflow: hidden;
    }

    .hero-section::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        radial-gradient(circle at 20% 20%, rgba(91, 158, 201, 0.12), transparent 35%),
        radial-gradient(circle at 80% 30%, rgba(91, 158, 201, 0.08), transparent 30%),
        linear-gradient(to bottom, rgba(255,255,255,0.02), transparent 35%);
      pointer-events: none;
    }

    .hero-bottom {
      position: relative;
      z-index: 2;
      width: 100%;
      padding: 7rem 0 5rem;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 3rem;
      align-items: end;
    }

    .hero-left {
      display: flex;
      flex-direction: column;
      gap: 1.25rem;
      max-width: 720px;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 0.6rem;
      font-size: 0.78rem;
      font-weight: 500;
      letter-spacing: 0.18em;
      text-transform: uppercase;
      color: rgba(255,255,255,0.56);
    }

    .hero-badge-dot {
      width: 9px;
      height: 9px;
      border-radius: 50%;
      background: var(--color-ice);
      box-shadow: 0 0 0 4px rgba(91, 158, 201, 0.12);
      flex-shrink: 0;
    }

    .hero-headline {
      font-family: var(--font-serif);
      font-size: clamp(2.3rem, 5vw, 4.8rem);
      line-height: 1.05;
      font-weight: 400;
      letter-spacing: -0.02em;
      color: var(--color-white);
      max-width: 12ch;
    }

    .hero-headline .accent {
      color: var(--color-ice);
    }

    .hero-description {
      font-size: 1rem;
      color: rgba(255,255,255,0.68);
      max-width: 42ch;
      line-height: 1.9;
    }

    .hero-cta {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: fit-content;
      padding: 0.95rem 1.7rem;
      border-radius: var(--radius-full);
      background: var(--color-ice);
      color: #010101;
      font-size: 0.95rem;
      font-weight: 500;
      transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
      box-shadow: 0 8px 28px rgba(91,158,201,0.22);
    }

    .hero-cta:hover {
      transform: translateY(-2px);
      background: var(--color-ice-light);
      box-shadow: 0 12px 34px rgba(91,158,201,0.3);
    }

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

    .hero-panel {
      width: 100%;
      max-width: 420px;
      background: rgba(255,255,255,0.03);
      border: 1px solid rgba(91,158,201,0.18);
      border-radius: 24px;
      padding: 1.5rem;
      backdrop-filter: blur(10px);
      box-shadow: 0 18px 40px rgba(0,0,0,0.25);
    }

    .hero-panel-label {
      font-size: 0.72rem;
      text-transform: uppercase;
      letter-spacing: 0.16em;
      color: rgba(255,255,255,0.48);
      margin-bottom: 0.9rem;
    }

    .hero-panel-copy {
      color: rgba(255,255,255,0.78);
      font-size: 0.95rem;
      line-height: 1.8;
    }

    .intro-bar {
      background: #010101;
      border-top: 1px solid rgba(255,255,255,0.06);
      border-bottom: 1px solid rgba(255,255,255,0.06);
      padding: 1.25rem 0;
    }

    .intro-bar-inner {
      display: flex;
      align-items: center;
      justify-content: center;
      text-align: center;
      color: rgba(255,255,255,0.5);
      font-size: 0.82rem;
      letter-spacing: 0.15em;
      text-transform: uppercase;
    }

    .tools-section {
      padding: 5rem 0;
      background: var(--color-off-white);
    }

    .section-heading {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 3rem;
    }

    .section-label {
      font-size: 0.72rem;
      font-weight: 500;
      letter-spacing: 0.22em;
      text-transform: uppercase;
      color: var(--color-ice);
      margin-bottom: 0.75rem;
    }

    .section-rule-center {
      width: 42px;
      height: 2px;
      background: var(--color-ice);
      margin: 0 auto 1.25rem;
    }

    .section-title {
      font-family: var(--font-serif);
      font-size: clamp(2rem, 3vw, 2.8rem);
      line-height: 1.15;
      color: var(--color-void);
      margin-bottom: 0.8rem;
    }

    .section-subtitle {
      color: #5A7080;
      font-size: 0.98rem;
      line-height: 1.85;
    }

    .tool-category {
      margin-bottom: 4rem;
    }

    .category-header {
      display: flex;
      flex-wrap: wrap;
      align-items: end;
      justify-content: space-between;
      gap: 1rem;
      margin-bottom: 1.4rem;
      padding-bottom: 0.9rem;
      border-bottom: 1px solid rgba(58, 80, 104, 0.12);
    }

    .category-header h2 {
      font-family: var(--font-serif);
      font-size: clamp(1.6rem, 2.4vw, 2.1rem);
      color: var(--color-void);
      line-height: 1.1;
    }

    .category-header p {
      font-size: 0.82rem;
      letter-spacing: 0.14em;
      text-transform: uppercase;
      color: #6B879C;
      font-weight: 500;
    }

    .cards-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
      gap: 1.25rem;
    }

    .tool-card {
      background: #ffffff;
      border: 1px solid #E0EAF2;
      border-radius: var(--radius-lg);
      padding: 1.4rem 1.25rem;
      box-shadow: var(--shadow-md);
      transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
      height: 100%;
      display: flex;
      flex-direction: column;
      min-height: 100%;
    }

    .tool-card:hover {
      transform: translateY(-4px);
      border-color: rgba(91,158,201,0.5);
      box-shadow: 0 18px 36px rgba(28,43,58,0.1);
    }

    .tool-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 0.8rem;
      margin-bottom: 0.85rem;
    }

    .tool-card.stack-badge .tool-top {
      flex-direction: column;
      align-items: flex-start;
      gap: 0.55rem;
    }

    .tool-name {
      font-family: var(--font-serif);
      font-size: 1.25rem;
      line-height: 1.2;
      color: var(--color-void);
    }

    .tool-badge {
      flex-shrink: 0;
      font-size: 0.66rem;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      background: rgba(91,158,201,0.1);
      color: #3B78A1;
      padding: 0.35rem 0.55rem;
      border-radius: var(--radius-full);
      font-weight: 600;
    }

    .tool-card.stack-badge .tool-badge {
      align-self: flex-start;
    }

    .tool-description {
      color: #5A7080;
      font-size: 0.92rem;
      line-height: 1.8;
      flex: 1;
      margin-bottom: 1rem;
    }

    .tool-link {
      display: inline-flex;
      align-items: center;
      gap: 0.45rem;
      color: var(--color-ice);
      font-size: 0.88rem;
      font-weight: 500;
      width: fit-content;
      transition: color 0.18s ease;
    }

    .tool-link:hover {
      color: #3B78A1;
    }

    .final-cta {
      background: #010101;
      padding: 5rem 0;
      text-align: center;
      position: relative;
      overflow: hidden;
    }

    .final-cta::before {
      content: '';
      position: absolute;
      inset: 0;
      background: radial-gradient(ellipse at center, rgba(91,158,201,0.08) 0%, transparent 65%);
      pointer-events: none;
    }

    .final-cta h2 {
      position: relative;
      font-family: var(--font-serif);
      font-size: clamp(2rem, 3vw, 3rem);
      color: #fff;
      margin-bottom: 1rem;
    }

    .final-cta p {
      position: relative;
      color: rgba(255,255,255,0.6);
      max-width: 42ch;
      margin: 0 auto 1.8rem;
      line-height: 1.9;
    }

    .btn-cta-final {
      position: relative;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 1rem 1.8rem;
      border-radius: var(--radius-full);
      background: var(--color-ice);
      color: #010101;
      font-weight: 500;
      transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
      box-shadow: 0 8px 28px rgba(91,158,201,0.25);
    }

    .btn-cta-final:hover {
      transform: translateY(-2px);
      background: var(--color-ice-light);
      box-shadow: 0 12px 34px rgba(91,158,201,0.32);
    }

    @media (max-width: 920px) {
      .hero-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
      }

      .hero-right {
        justify-content: flex-start;
      }

      .hero-headline {
        max-width: 13ch;
      }
    }

    @media (max-width: 640px) {
      .hero-bottom {
        padding: 6rem 0 4rem;
      }

      .hero-headline {
        font-size: 2.5rem;
      }

      .tool-top {
        flex-direction: column;
        align-items: flex-start;
      }
    }
    .inline-cta {
  text-align: center;
  padding: 32px 20px;
  margin: 40px 0;
  background: #F7FAFC; /* soft light background */
  border: 1px solid #E0EAF2;
  border-radius: 16px;
}

.inline-cta-text {
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--color-void);
  margin-bottom: 16px;
}

.inline-cta-button {
 position: relative;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 1rem 1.8rem;
      border-radius: var(--radius-full);
      background: var(--color-ice);
      color: #010101;
      font-weight: 500;
      transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
      box-shadow: 0 8px 28px rgba(91,158,201,0.25);
}

.inline-cta-button:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
}