/* ==========================================================================
   PGPJS — Modern OpenPGP Stylesheet & Viewport Typography
   ========================================================================== */

:root {
  --navy: #0b1f5c;
  --navy-dark: #081549;
  --navy-light: #162e7a;
  --navy-subtle: #f4f7fc;
  --blue-accent: #2563eb;
  --blue-light: #60a5fa;
  --gray-bg: #f3f4f6;
  --gray-card: #d9d9d9;
  --card-bg: #ffffff;
  --text-dark: #0f172a;
  --text-muted: #475569;
  --text-subtle: #64748b;
  --border-gray: #e2e8f0;
  --border-card: #e2e8f0;
  --max-content-width: 1152px; /* Prysel max-w-6xl */
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text-dark);
  background: #ffffff;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* ==========================================================================
   Centered Desktop Containers
   ========================================================================== */

.topbar-inner,
.header-inner,
.hero-inner,
.logo-strip-inner,
.section-inner,
.footer-inner {
  width: 100%;
  max-width: var(--max-content-width);
  margin: 0 auto;
}

/* ==========================================================================
   Top Utility Bar
   ========================================================================== */

.topbar {
  background: var(--navy);
  color: #ffffff;
  padding: clamp(10px, 1.2vw, 14px) clamp(20px, 3.5vw, 48px);
  font-size: clamp(12.5px, 0.9vw + 1px, 14px);
  width: 100%;
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.topbar .bio-text {
  opacity: 0.9;
  letter-spacing: 0.2px;
}

.topbar .top-links {
  display: flex;
  gap: clamp(18px, 2vw, 28px);
}

.topbar .top-links a {
  cursor: pointer;
  opacity: 0.9;
  transition: opacity 0.2s ease;
}

.topbar .top-links a:hover {
  opacity: 1;
  text-decoration: underline;
}

/* ==========================================================================
   Main Header / Navigation
   ========================================================================== */

.main-header {
  padding: clamp(14px, 1.5vw, 18px) clamp(20px, 3.5vw, 48px);
  border-bottom: 1px solid var(--border-gray);
  background: #ffffff;
  width: 100%;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.search-wrap {
  display: flex;
  align-items: center;
  height: 44px;
  background: var(--gray-bg);
  border-radius: 6px;
  padding: 2px 4px 2px 2px;
  border: 1px solid transparent;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.search-wrap:focus-within {
  border-color: var(--blue-accent);
  background: #ffffff;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.search-wrap img {
  border-radius: 4px;
  margin-right: 6px;
  flex-shrink: 0;
}

.search-input {
  background: transparent;
  border: none;
  padding: 0 12px;
  font-size: clamp(13px, 0.9vw + 1px, 14.5px);
  color: var(--text-dark);
  width: clamp(160px, 16vw, 240px);
  outline: none;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: clamp(18px, 2.2vw, 36px);
  font-size: clamp(14px, 0.95vw + 1px, 15px);
  font-weight: 500;
  color: var(--text-dark);
}

.main-nav a {
  color: inherit;
  text-decoration: none;
  cursor: pointer;
  transition: color 0.2s ease;
  position: relative;
  padding: 4px 0;
}

.main-nav a:hover {
  color: var(--navy);
}

.header-right {
  display: flex;
  align-items: center;
  gap: clamp(16px, 1.8vw, 24px);
}

.git-btn {
  background: var(--gray-bg);
  padding: 10px clamp(14px, 1.3vw, 20px);
  font-size: clamp(12.5px, 0.85vw + 1px, 13.5px);
  color: #333;
  border-radius: 6px;
  white-space: nowrap;
  font-family: "SF Mono", "Fira Code", Menlo, Consolas, monospace;
  border: 1px solid var(--border-gray);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s ease;
  user-select: none;
}

.git-btn:hover {
  background: #e6eaf3;
  color: var(--navy);
  border-color: #cbd5e1;
}

.git-btn:active {
  transform: scale(0.97);
}

.git-btn.copied {
  background: #ecfdf5;
  color: #065f46;
  border-color: #a7f3d0;
}

.git-btn .copy-icon {
  opacity: 0.6;
  transition: opacity 0.2s ease;
}

.git-btn:hover .copy-icon {
  opacity: 1;
}

/* ==========================================================================
   Hero Section with Fluid Viewport Typography
   ========================================================================== */

.hero {
  padding: clamp(48px, 5.5vw, 84px) clamp(20px, 3.5vw, 48px);
  width: 100%;
}

.hero-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(36px, 4vw, 64px);
  flex-wrap: wrap;
}

.hero-text {
  flex: 1 1 440px;
  min-width: 320px;
  max-width: 680px;
}

.hero-text h1 {
  /* Fluid viewport typography for all desktop screens */
  font-size: clamp(2.3rem, 4.3vw + 0.3rem, 4.25rem);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.025em;
  color: var(--text-dark);
  margin-bottom: clamp(18px, 2vw, 28px);
}

.hero-text p {
  /* Fluid viewport body text */
  font-size: clamp(1.05rem, 1.2vw + 0.15rem, 1.35rem);
  line-height: 1.6;
  color: var(--text-muted);
  margin-bottom: clamp(28px, 3vw, 40px);
  max-width: 580px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  background: var(--navy);
  color: #fff;
  border: 2px solid var(--navy);
  padding: clamp(12px, 1.2vw, 16px) clamp(24px, 2.2vw, 36px);
  font-size: clamp(14px, 0.95vw + 1px, 15px);
  font-weight: 500;
  cursor: pointer;
  border-radius: 4px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.btn:hover {
  background: var(--navy-dark);
  border-color: var(--navy-dark);
  color: #fff;
  transform: translateY(-1px);
}

.btn-secondary {
  background: transparent;
  color: var(--navy);
  border: 2px solid var(--navy);
}

.btn-secondary:hover {
  background: var(--navy);
  color: #fff;
}

.hero-visual {
  flex: 1 1 480px;
  min-width: 340px;
  position: relative;
  display: flex;
  justify-content: flex-end;
}

.campus-img {
  width: 100%;
  max-width: 620px;
  aspect-ratio: 4 / 3;
  border-radius: 6px;
  overflow: hidden;
  position: relative;
  box-shadow: 0 12px 36px rgba(11, 31, 92, 0.08);
}

.code-card {
  position: absolute;
  left: -40px;
  bottom: -6%;
  width: 52%;
  min-width: 280px;
  background: #0f1526;
  border-radius: 8px;
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.32);
  overflow: hidden;
  font-family: "SF Mono", "Fira Code", Menlo, Consolas, monospace;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.code-tab {
  background: #171d33;
  color: #cfd6ea;
  font-size: 13px;
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid #232a44;
}

.code-tab .x {
  opacity: 0.5;
  margin-left: 4px;
}

.code-body {
  padding: 14px 16px 20px 16px;
  font-size: clamp(11.5px, 0.8vw + 1px, 13px);
  line-height: 1.75;
}

.code-line {
  display: block;
  white-space: pre;
  color: #cfd6ea;
}

.line-no {
  display: inline-block;
  color: #4a5372;
  width: 18px;
  text-align: right;
  flex-shrink: 0;
  user-select: none;
}

.code-comment { color: #6b7a99; }
.code-keyword { color: #d197ff; }
.code-func { color: #7fc6ff; }
.code-string { color: #ffcf8b; }
.code-var { color: #8fd6c1; }
.code-plain { color: #cfd6ea; }

/* ==========================================================================
   Logo Strip
   ========================================================================== */

.logo-strip {
  background: var(--gray-bg);
  padding: clamp(32px, 3.5vw, 44px) clamp(20px, 3.5vw, 48px);
  width: 100%;
}

.logo-strip-inner {
  display: flex;
  gap: clamp(14px, 1.8vw, 24px);
  justify-content: space-between;
  flex-wrap: wrap;
}

.logo-slot {
  background: #ffffff;
  border: 1px solid var(--border-gray);
  border-radius: 6px;
  flex: 1 1 180px;
  min-width: 150px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--navy);
  font-size: clamp(14px, 0.95vw + 1px, 16px);
  font-weight: 600;
  letter-spacing: 0.3px;
  padding: 0 16px;
  transition: all 0.25s ease;
}

.logo-slot svg {
  flex-shrink: 0;
}

.logo-slot:hover {
  border-color: #94a3b8;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(11, 31, 92, 0.08);
}

/* ==========================================================================
   Blog Section: "tool what pgpjs use" (3 Cards with Img & Text)
   ========================================================================== */

.blog-tools-section {
  padding: clamp(56px, 6vw, 96px) clamp(20px, 3.5vw, 48px);
  background: #f8fafc;
  border-top: 1px solid var(--border-gray);
  border-bottom: 1px solid var(--border-gray);
  width: 100%;
}

.section-header {
  text-align: center;
  max-width: 820px;
  margin: 0 auto clamp(36px, 4vw, 60px) auto;
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  border-radius: 9999px;
  color: var(--blue-accent);
  font-size: clamp(11.5px, 0.8vw + 1px, 13px);
  font-weight: 600;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  margin-bottom: 18px;
}

.section-badge svg {
  flex-shrink: 0;
}

.section-title {
  /* Fluid viewport typography for h1 */
  font-size: clamp(2rem, 3.4vw + 0.2rem, 3.2rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.15;
  color: var(--navy-dark);
  margin-bottom: clamp(14px, 1.5vw, 20px);
  text-transform: capitalize;
}

.section-subtitle {
  /* Fluid viewport text for section subtitle */
  font-size: clamp(1rem, 1.1vw + 0.1rem, 1.22rem);
  line-height: 1.65;
  color: var(--text-muted);
  margin: 0 auto;
  max-width: 680px;
}

/* 3-Card Grid for Desktop */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(20px, 2.4vw, 32px);
  width: 100%;
}

.tool-card {
  background: #ffffff;
  border: 1px solid var(--border-card);
  border-radius: 12px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.28s cubic-bezier(0.16, 1, 0.3, 1),
              border-color 0.25s ease;
  box-shadow: 0 4px 12px rgba(11, 31, 92, 0.04);
}

.tool-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(11, 31, 92, 0.1);
  border-color: #cbd5e1;
}

.tool-card-img-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #0b1f5c;
  overflow: hidden;
}

.tool-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.tool-card:hover .tool-card-img {
  transform: scale(1.05);
}

.tool-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(11, 31, 92, 0.88);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: #60a5fa;
  border: 1px solid rgba(96, 165, 250, 0.35);
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.tool-card-body {
  padding: clamp(20px, 2.2vw, 28px);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.tool-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: clamp(11.5px, 0.8vw + 1px, 12.5px);
  color: var(--text-subtle);
  margin-bottom: 12px;
}

.tool-card-title {
  font-size: clamp(1.15rem, 1.25vw + 0.1rem, 1.38rem);
  font-weight: 700;
  line-height: 1.32;
  color: var(--text-dark);
  margin-bottom: 12px;
}

.tool-card-title a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}

.tool-card-title a:hover {
  color: var(--blue-accent);
}

.tool-card-desc {
  font-size: clamp(0.9rem, 0.85vw + 0.15rem, 0.98rem);
  line-height: 1.62;
  color: var(--text-muted);
  margin-bottom: 20px;
  flex: 1;
}

.tool-card-footer {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid #f1f5f9;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.tool-tech-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tool-tech-pills span {
  background: #f1f5f9;
  color: #334155;
  font-size: 11.5px;
  font-weight: 500;
  padding: 3px 8px;
  border-radius: 4px;
  border: 1px solid #e2e8f0;
}

.tool-learn-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: clamp(13px, 0.85vw + 1px, 14px);
  font-weight: 600;
  color: var(--navy);
  text-decoration: none;
  transition: gap 0.2s ease, color 0.2s ease;
}

.tool-learn-more svg {
  transition: transform 0.2s ease;
}

.tool-learn-more:hover {
  color: var(--blue-accent);
  gap: 9px;
}

.tool-learn-more:hover svg {
  transform: translateX(3px);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  background: var(--navy-dark);
  color: #ffffff;
  padding: clamp(48px, 5vw, 68px) clamp(20px, 3.5vw, 48px) clamp(24px, 3vw, 36px) clamp(20px, 3.5vw, 48px);
  width: 100%;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: clamp(32px, 3.5vw, 48px);
  padding-bottom: clamp(36px, 4vw, 48px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-brand {
  flex: 1 1 320px;
  max-width: 420px;
}

.footer-logo-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.footer-logo-title {
  font-size: clamp(18px, 1.4vw, 21px);
  font-weight: 700;
  letter-spacing: 0.5px;
  color: #ffffff;
}

.footer-desc {
  color: #a0aec0;
  font-size: clamp(13px, 0.85vw + 1px, 14px);
  line-height: 1.6;
  margin-bottom: 20px;
}

.footer-badge-rfc {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: #7ea6ff;
  background: rgba(126, 166, 255, 0.1);
  border: 1px solid rgba(126, 166, 255, 0.25);
  padding: 5px 12px;
  border-radius: 4px;
}

.footer-nav-group {
  display: flex;
  flex: 2 1 500px;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 32px;
}

.footer-col {
  min-width: 140px;
}

.footer-heading {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: #ffffff;
  margin-bottom: 18px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 0;
  margin: 0;
}

.footer-links a {
  color: #a0aec0;
  text-decoration: none;
  font-size: 14px;
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: #ffffff;
  text-decoration: underline;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  padding-top: clamp(20px, 2.5vw, 28px);
  font-size: 13px;
  color: #718096;
}

.footer-bottom a {
  color: #a0aec0;
  text-decoration: none;
}

.footer-bottom a:hover {
  color: #ffffff;
}

/* ==========================================================================
   Responsive Breakpoints: Desktop, Tablet & Mobile
   ========================================================================== */

/* Large Desktop (1440px+) */
@media (min-width: 1440px) {
  .hero-inner {
    gap: 80px;
  }
}

/* Medium Desktop & Tablet (<= 1024px) */
@media (max-width: 1024px) {
  .cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .code-card {
    left: -20px;
    width: 60%;
  }
}

/* Tablet & Mobile (<= 900px) */
@media (max-width: 900px) {
  .main-nav {
    display: none;
  }
  .site-footer {
    padding: 40px 24px 24px 24px;
  }
  .footer-nav-group {
    flex-direction: column;
    gap: 28px;
  }
}

/* Mobile (<= 680px) */
@media (max-width: 680px) {
  .cards-grid {
    grid-template-columns: 1fr;
  }
  .code-card {
    position: static;
    width: 100%;
    margin-top: 16px;
  }
  .hero-visual {
    flex-direction: column;
  }
  .topbar-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ==========================================================================
   Under Design: Exact 1:1 Copy with Prysel Container & Fixed Footer
   ========================================================================== */

/* Prysel-compatible container (max-w-6xl = 1152px) */
.under-container,
.site-container,
.topbar-inner,
.header-inner,
.hero-inner,
.logo-strip-inner {
  width: 100%;
  max-width: 1152px; /* same as max-w-6xl in Prysel */
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
  position: relative;
}

.under-design-section {
  width: 100%;
  padding: clamp(36px, 4vw, 56px) 0 0 0;
  background: #ffffff;
}

.under-heading {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: clamp(30px, 3.2vw, 42px);
  font-weight: 400;
  color: #000000;
  line-height: 1.15;
  margin: 0 0 clamp(18px, 2vw, 24px) 0;
  letter-spacing: -0.3px;
}

.under-heading-cli {
  margin-top: clamp(44px, 4.8vw, 68px);
}

/* 3-Card Row */
.under-cards-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(12px, 1.4vw, 20px);
  width: 100%;
}

.under-card {
  position: relative;
  aspect-ratio: 843 / 524;
  border-radius: 10px;
  overflow: hidden;
  background-size: cover;
  background-position: center;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  display: block;
  text-decoration: none;
}

.under-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.12);
}

/* Row 1: Tool banner card overlay */
.under-card-overlay-bottom {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: clamp(12px, 1.6vw, 18px);
  background: linear-gradient(180deg, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 0.55) 45%, rgba(0, 0, 0, 0.88) 100%);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.under-card-title {
  color: #ffffff;
  font-size: clamp(15px, 1.3vw, 19px);
  font-weight: 500;
  line-height: 1.25;
  margin: 0 0 3px 0;
}

.under-card-sub {
  color: rgba(255, 255, 255, 0.78);
  font-size: clamp(10px, 0.8vw, 12px);
  font-weight: 400;
  margin: 0 0 10px 0;
  line-height: 1.2;
}

.btn-readme {
  background: #ffffff;
  color: #000000;
  border: none;
  border-radius: 4px;
  padding: 3px 12px;
  font-size: 11px;
  font-weight: 500;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  text-decoration: none;
  display: inline-block;
  line-height: 1.4;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.15s ease;
}

.btn-readme:hover {
  background: #f1f5f9;
  transform: scale(1.03);
}

/* Row 2: CLI Card Specifics */
.btn-readme-topright {
  position: absolute;
  top: clamp(10px, 1.2vw, 16px);
  right: clamp(10px, 1.2vw, 16px);
  z-index: 2;
}

.under-card-cli-label {
  position: absolute;
  bottom: clamp(12px, 1.6vw, 18px);
  left: clamp(12px, 1.6vw, 18px);
  color: #ffffff;
  font-size: clamp(15px, 1.3vw, 19px);
  font-weight: 400;
  margin: 0;
  line-height: 1.2;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.5);
}

/* ==========================================================================
   Under Footer: Fixed Visible Tab, Real PGPJS Info, and Prysel Subfooter
   ========================================================================== */

.under-footer-wrapper {
  position: relative;
  width: 100%;
  background: #001353;
  margin-top: clamp(72px, 9vw, 130px);
}

/* Fixed Overlapping Tab — fully visible and never hidden under the footer */
.under-footer-tab {
  position: absolute;
  top: -30px;
  left: 1.5rem;
  width: 72px;
  height: 31px;
  background: #001353;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px 4px 0 0;
  z-index: 50;
  box-shadow: 0 -2px 6px rgba(0, 0, 0, 0.08);
}

.footer-tab-logo-text {
  color: #ffffff;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.6px;
  line-height: 1;
  user-select: none;
}

.under-footer-content {
  padding: clamp(52px, 5.5vw, 76px) 0 clamp(44px, 4.5vw, 64px) 0;
}

.under-footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: clamp(36px, 4.5vw, 64px);
  align-items: start;
}

.under-footer-brand {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: 520px;
}

.under-footer-brand-title {
  color: #ffffff;
  font-size: clamp(20px, 1.8vw, 24px);
  font-weight: 700;
  letter-spacing: -0.3px;
  line-height: 1.25;
}

.under-footer-brand-desc {
  color: #cbd5e1;
  font-size: 14.5px;
  line-height: 1.65;
  margin: 0;
}

.under-footer-brand-link a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #93c5fd;
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  transition: color 0.2s ease;
}

.under-footer-brand-link a:hover {
  color: #ffffff;
  text-decoration: underline;
}

.under-footer-cols {
  display: flex;
  gap: clamp(32px, 4vw, 64px);
  justify-content: flex-end;
}

.under-footer-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.under-footer-col-header {
  color: #93c5fd;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 4px;
}

.under-footer-col a {
  color: #ffffff;
  font-size: 15px;
  font-weight: 400;
  text-decoration: none;
  transition: color 0.2s ease, transform 0.15s ease;
  line-height: 1.4;
}

.under-footer-col a:hover {
  color: #60a5fa;
  transform: translateX(2px);
}

/* ==========================================================================
   Sub-footer: Prysel.svg Logo, Copyright, and MIT text
   ========================================================================== */

.under-subfooter {
  width: 100%;
  background: #ffffff;
  border-top: 1px solid #e5e7eb;
  padding: 22px 0;
}

.under-subfooter-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.under-subfooter-left {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.prysel-logo-link {
  display: inline-flex;
  align-items: center;
  transition: opacity 0.2s ease;
}

.prysel-logo-link:hover {
  opacity: 0.85;
}

.prysel-logo-img {
  height: 22px;
  width: auto;
  display: block;
}

.under-subfooter-copy {
  color: #4b5563;
  font-size: 13px;
  font-weight: 500;
}

.under-subfooter-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.under-subfooter-mit {
  color: #6b7280;
  font-size: 13px;
  line-height: 1.5;
}

.under-subfooter-mit a {
  color: #111827;
  text-decoration: underline;
  font-weight: 600;
}

.under-subfooter-mit a:hover {
  color: #ff7b00;
}

/* Responsive Breakpoints */
@media (max-width: 900px) {
  .under-cards-row {
    grid-template-columns: repeat(2, 1fr);
  }
  .under-footer-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .under-footer-cols {
    justify-content: flex-start;
  }
}

@media (max-width: 640px) {
  .under-cards-row {
    grid-template-columns: 1fr;
  }
  .under-footer-cols {
    flex-direction: column;
    gap: 24px;
  }
  .under-subfooter-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
}