/* ============================================
   KRILLNOTES — Ocean/Krill-themed design
   ============================================ */

:root {
  /* Ocean palette */
  --ocean-deep:     #0a1628;
  --ocean-dark:     #0f2035;
  --ocean-mid:      #143252;
  --ocean-light:    #1b4370;
  --ocean-surface:  #e8f4f8;
  --ocean-foam:     #f0f9fc;

  /* Krill accent — warm coral/orange tones */
  --krill-primary:  #ff6b4a;
  --krill-light:    #ff8a6f;
  --krill-pale:     #fff0ec;
  --krill-glow:     #ff6b4a33;

  /* Bioluminescence accent — subtle cyan */
  --bio-cyan:       #4de8d0;
  --bio-light:      #a3f5e8;
  --bio-pale:       #e6fcf8;

  /* Neutral */
  --sand-50:        #fafaf8;
  --sand-100:       #f5f4f0;
  --sand-200:       #e8e6e0;
  --sand-300:       #d4d1c8;
  --sand-400:       #9e9a8f;
  --sand-500:       #6b675d;
  --sand-600:       #4a4740;
  --sand-700:       #33312c;
  --sand-800:       #1f1e1b;

  /* Typography */
  --font-body:      'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono:      'JetBrains Mono', 'Fira Code', monospace;

  /* Spacing */
  --space-xs:   0.25rem;
  --space-sm:   0.5rem;
  --space-md:   1rem;
  --space-lg:   1.5rem;
  --space-xl:   2rem;
  --space-2xl:  3rem;
  --space-3xl:  4rem;
  --space-4xl:  6rem;

  /* Borders */
  --radius-sm:  6px;
  --radius-md:  10px;
  --radius-lg:  16px;
  --radius-xl:  24px;

  /* Shadows */
  --shadow-sm:  0 1px 3px rgba(10, 22, 40, 0.06);
  --shadow-md:  0 4px 12px rgba(10, 22, 40, 0.08);
  --shadow-lg:  0 8px 30px rgba(10, 22, 40, 0.12);
  --shadow-xl:  0 16px 50px rgba(10, 22, 40, 0.16);
}

/* ---- Reset & Base ---- */

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  color: var(--sand-700);
  background: var(--sand-50);
}

a {
  color: var(--ocean-light);
  text-decoration: none;
  transition: color 0.2s;
}
a:hover {
  color: var(--krill-primary);
}

img {
  max-width: 100%;
  height: auto;
}

/* ---- Navigation ---- */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(250, 250, 248, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--sand-200);
}

.nav-container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
  height: 64px;
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--ocean-deep);
  text-decoration: none;
  flex-shrink: 0;
}
.nav-logo:hover { color: var(--ocean-deep); }

.nav-logo-img {
  width: 32px;
  height: 32px;
  display: inline-block;
  animation: gentle-bob 3s ease-in-out infinite;
}

.nav-logo-icon {
  font-size: 1.4rem;
  display: inline-block;
  animation: gentle-bob 3s ease-in-out infinite;
}

@keyframes gentle-bob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-3px); }
}

.nav-links {
  display: flex;
  list-style: none;
  gap: var(--space-xs);
  margin-left: auto;
}

.nav-links a {
  display: block;
  padding: var(--space-sm) var(--space-md);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--sand-500);
  border-radius: var(--radius-sm);
  transition: color 0.2s, background 0.2s;
}
.nav-links a:hover {
  color: var(--ocean-deep);
  background: var(--sand-100);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  padding: var(--space-sm) var(--space-lg);
  font-size: 0.875rem;
  font-weight: 600;
  color: white !important;
  background: var(--krill-primary);
  border-radius: var(--radius-md);
  transition: background 0.2s, transform 0.15s;
  flex-shrink: 0;
}
.nav-cta:hover {
  background: var(--krill-light);
  transform: translateY(-1px);
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--sand-600);
  border-radius: 2px;
  transition: 0.3s;
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(250, 250, 248, 0.98);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--sand-200);
    padding: var(--space-md);
    gap: 0;
  }
  .nav-links.open { display: flex; }
  .nav-cta { display: none; }
}

/* ---- Hero ---- */

.hero {
  padding: calc(64px + var(--space-4xl)) var(--space-xl) var(--space-4xl);
  text-align: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(
    180deg,
    var(--ocean-foam) 0%,
    var(--sand-50) 100%
  );
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(ellipse 600px 300px at 20% 30%, var(--bio-pale) 0%, transparent 70%),
    radial-gradient(ellipse 400px 200px at 75% 60%, var(--krill-pale) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-banner {
  max-width: 480px;
  width: 100%;
  height: auto;
  margin-bottom: var(--space-lg);
  border-radius: var(--radius-lg);
  filter: drop-shadow(0 8px 24px var(--krill-glow));
}

.hero-logo {
  width: 120px;
  height: 120px;
  margin-bottom: var(--space-xl);
  animation: gentle-bob 3s ease-in-out infinite;
  filter: drop-shadow(0 8px 24px var(--krill-glow));
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xs) var(--space-md);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--ocean-mid);
  background: white;
  border: 1px solid var(--sand-200);
  border-radius: 999px;
  margin-bottom: var(--space-xl);
  box-shadow: var(--shadow-sm);
}

.hero-badge-dot {
  width: 6px;
  height: 6px;
  background: var(--bio-cyan);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.5); }
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 800;
  color: var(--ocean-deep);
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-lg);
}

.hero h1 .highlight {
  background: linear-gradient(135deg, var(--krill-primary), var(--bio-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: 1.15rem;
  color: var(--sand-500);
  max-width: 540px;
  margin: 0 auto var(--space-2xl);
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.75rem 1.5rem;
  font-size: 0.95rem;
  font-weight: 600;
  font-family: var(--font-body);
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}

.btn-primary {
  color: white;
  background: var(--krill-primary);
  box-shadow: 0 4px 14px var(--krill-glow);
}
.btn-primary:hover {
  background: var(--krill-light);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--krill-glow);
}

.btn-secondary {
  color: var(--sand-600);
  background: white;
  border: 1px solid var(--sand-200);
  box-shadow: var(--shadow-sm);
}
.btn-secondary:hover {
  color: var(--ocean-deep);
  border-color: var(--sand-300);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.hero-screenshot {
  margin-top: var(--space-3xl);
  position: relative;
  max-width: 960px;
  margin-left: auto;
  margin-right: auto;
}

.hero-screenshot img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--sand-200);
}

.hero-screenshot::after {
  content: '';
  position: absolute;
  bottom: -20px;
  left: 10%;
  right: 10%;
  height: 40px;
  background: var(--ocean-deep);
  filter: blur(30px);
  opacity: 0.08;
  border-radius: 50%;
}

/* ---- Decorative ocean bubbles ---- */

.hero-bubbles {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  overflow: hidden;
}

.bubble {
  position: absolute;
  border-radius: 50%;
  opacity: 0.15;
  animation: float-up linear infinite;
}

@keyframes float-up {
  0% { transform: translateY(100%) scale(0.5); opacity: 0; }
  20% { opacity: 0.15; }
  80% { opacity: 0.1; }
  100% { transform: translateY(-100vh) scale(1); opacity: 0; }
}

.bubble:nth-child(1) { width: 8px; height: 8px; left: 10%; background: var(--bio-cyan); animation-duration: 12s; animation-delay: 0s; }
.bubble:nth-child(2) { width: 5px; height: 5px; left: 25%; background: var(--krill-primary); animation-duration: 15s; animation-delay: 2s; }
.bubble:nth-child(3) { width: 10px; height: 10px; left: 55%; background: var(--bio-cyan); animation-duration: 18s; animation-delay: 4s; }
.bubble:nth-child(4) { width: 6px; height: 6px; left: 80%; background: var(--krill-light); animation-duration: 13s; animation-delay: 1s; }
.bubble:nth-child(5) { width: 4px; height: 4px; left: 40%; background: var(--bio-light); animation-duration: 16s; animation-delay: 6s; }
.bubble:nth-child(6) { width: 7px; height: 7px; left: 70%; background: var(--krill-primary); animation-duration: 14s; animation-delay: 3s; }

/* ---- Features Section ---- */

.features {
  padding: var(--space-4xl) var(--space-xl);
}

.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto var(--space-3xl);
}

.section-label {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--krill-primary);
  margin-bottom: var(--space-sm);
}

.section-header h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--ocean-deep);
  line-height: 1.25;
  letter-spacing: -0.02em;
}

.section-header p {
  margin-top: var(--space-md);
  color: var(--sand-500);
  font-size: 1.05rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-xl);
  max-width: 1120px;
  margin: 0 auto;
}

.feature-card {
  padding: var(--space-xl);
  background: white;
  border: 1px solid var(--sand-200);
  border-radius: var(--radius-lg);
  transition: transform 0.2s, box-shadow 0.2s;
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.feature-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  background: var(--ocean-foam);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-lg);
}

.feature-card h3 {
  font-size: 1.05rem;
  font-weight: 650;
  color: var(--ocean-deep);
  margin-bottom: var(--space-sm);
}

.feature-card p {
  font-size: 0.92rem;
  color: var(--sand-500);
  line-height: 1.6;
}

/* ---- Tech Stack ---- */

.tech-stack {
  padding: var(--space-4xl) var(--space-xl);
  background: var(--ocean-deep);
  color: white;
  position: relative;
  overflow: hidden;
}

.tech-stack::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(ellipse 600px 400px at 15% 50%, rgba(77, 232, 208, 0.08) 0%, transparent 70%),
    radial-gradient(ellipse 500px 300px at 85% 30%, rgba(255, 107, 74, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.tech-stack .section-label {
  color: var(--bio-cyan);
}

.tech-stack .section-header h2 {
  color: white;
}

.tech-stack .section-header p {
  color: rgba(255, 255, 255, 0.6);
}

.tech-pills {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-md);
  max-width: 800px;
  margin: 0 auto;
}

.tech-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  font-size: 0.95rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.85);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  transition: background 0.2s, border-color 0.2s;
}
.tech-pill:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
}

.tech-pill-icon {
  font-size: 1.1rem;
}

/* ---- Scripting Preview ---- */

.scripting-preview {
  padding: var(--space-4xl) var(--space-xl);
  background: var(--ocean-foam);
}

.scripting-content {
  max-width: 1120px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

@media (max-width: 768px) {
  .scripting-content {
    grid-template-columns: 1fr;
  }
}

.scripting-text .section-label {
  text-align: left;
}

.scripting-text h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--ocean-deep);
  line-height: 1.3;
  margin-bottom: var(--space-md);
}

.scripting-text p {
  color: var(--sand-500);
  font-size: 1rem;
  margin-bottom: var(--space-lg);
}

.scripting-text ul {
  list-style: none;
  padding: 0;
}

.scripting-text li {
  padding: var(--space-sm) 0;
  color: var(--sand-600);
  font-size: 0.92rem;
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
}

.scripting-text li::before {
  content: '🦐';
  font-size: 0.85rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.code-block {
  background: var(--ocean-deep);
  color: rgba(255, 255, 255, 0.9);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.code-block-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  background: rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.code-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.code-dot:nth-child(1) { background: #ff5f57; }
.code-dot:nth-child(2) { background: #febc2e; }
.code-dot:nth-child(3) { background: #28c840; }

.code-block-title {
  margin-left: var(--space-sm);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.4);
}

.code-block pre {
  padding: var(--space-lg) var(--space-xl);
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.7;
}

.code-block code {
  font-family: inherit;
}

/* Syntax colors */
.code-keyword  { color: #ff79c6; }
.code-string   { color: #f1fa8c; }
.code-function { color: #50fa7b; }
.code-comment  { color: rgba(255, 255, 255, 0.3); }
.code-field    { color: #8be9fd; }
.code-operator { color: #ff79c6; }
.code-value    { color: #bd93f9; }

/* ---- CTA Section ---- */

.cta-section {
  padding: var(--space-4xl) var(--space-xl);
  text-align: center;
}

.cta-box {
  max-width: 600px;
  margin: 0 auto;
  padding: var(--space-3xl) var(--space-xl);
  background: linear-gradient(135deg, var(--ocean-deep), var(--ocean-mid));
  border-radius: var(--radius-xl);
  color: white;
  position: relative;
  overflow: hidden;
}

.cta-box::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background:
    radial-gradient(ellipse 300px 200px at 80% 20%, rgba(255, 107, 74, 0.15) 0%, transparent 70%),
    radial-gradient(ellipse 300px 200px at 20% 80%, rgba(77, 232, 208, 0.1) 0%, transparent 70%);
  pointer-events: none;
}

.cta-box > * {
  position: relative;
}

.cta-krill {
  font-size: 3rem;
  margin-bottom: var(--space-lg);
  display: block;
}

.cta-logo {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-lg);
}

.cta-box h2 {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
}

.cta-box p {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: var(--space-xl);
}

.cta-box .btn-primary {
  background: var(--krill-primary);
}
.cta-box .btn-primary:hover {
  background: var(--krill-light);
}

/* ---- Docs Layout ---- */

.docs-layout {
  padding: calc(64px + var(--space-3xl)) var(--space-xl) var(--space-4xl);
  max-width: 840px;
  margin: 0 auto;
}

.docs-layout h1 {
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  font-weight: 800;
  color: var(--ocean-deep);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-sm);
}

.docs-description {
  font-size: 1.1rem;
  color: var(--sand-500);
  margin-bottom: var(--space-3xl);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid var(--sand-200);
}

.docs-content {
  font-size: 0.96rem;
}

.docs-content h2 {
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--ocean-deep);
  margin-top: var(--space-3xl);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 2px solid var(--ocean-foam);
}

.docs-content h3 {
  font-size: 1.15rem;
  font-weight: 650;
  color: var(--ocean-dark);
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-md);
}

.docs-content h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--ocean-mid);
  margin-top: var(--space-xl);
  margin-bottom: var(--space-sm);
}

.docs-content p {
  margin-bottom: var(--space-md);
  color: var(--sand-600);
}

.docs-content ul, .docs-content ol {
  margin-bottom: var(--space-md);
  padding-left: var(--space-xl);
}

.docs-content li {
  margin-bottom: var(--space-sm);
  color: var(--sand-600);
}

.docs-content strong {
  color: var(--ocean-deep);
  font-weight: 600;
}

.docs-content code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  padding: 0.15em 0.4em;
  background: var(--ocean-foam);
  color: var(--ocean-mid);
  border-radius: 4px;
}

.docs-content pre {
  margin-bottom: var(--space-xl);
  background: var(--ocean-deep);
  color: rgba(255, 255, 255, 0.9);
  border-radius: var(--radius-md);
  overflow-x: auto;
  padding: var(--space-lg) var(--space-xl);
  font-size: 0.85rem;
  line-height: 1.7;
  box-shadow: var(--shadow-md);
}

.docs-content pre code {
  background: none;
  color: inherit;
  padding: 0;
  font-size: inherit;
}

.docs-content table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--space-xl);
  font-size: 0.9rem;
}

.docs-content th {
  text-align: left;
  padding: var(--space-sm) var(--space-md);
  font-weight: 600;
  color: var(--ocean-deep);
  background: var(--ocean-foam);
  border-bottom: 2px solid var(--sand-200);
}

.docs-content td {
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid var(--sand-100);
  color: var(--sand-600);
}

.docs-content hr {
  border: none;
  height: 1px;
  background: var(--sand-200);
  margin: var(--space-3xl) 0;
}

.docs-content blockquote {
  border-left: 3px solid var(--krill-primary);
  padding: var(--space-md) var(--space-lg);
  margin-bottom: var(--space-md);
  background: var(--krill-pale);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--sand-600);
}

.docs-content a {
  color: var(--krill-primary);
  font-weight: 500;
  text-decoration: underline;
  text-decoration-color: var(--krill-glow);
  text-underline-offset: 2px;
}
.docs-content a:hover {
  text-decoration-color: var(--krill-primary);
}

/* ---- Footer ---- */

.site-footer {
  background: var(--ocean-deep);
  color: rgba(255, 255, 255, 0.7);
  padding: var(--space-3xl) var(--space-xl) var(--space-xl);
}

.footer-container {
  max-width: 1120px;
  margin: 0 auto;
}

.footer-brand {
  margin-bottom: var(--space-2xl);
}

.footer-logo {
  font-size: 1.15rem;
  font-weight: 700;
  color: white;
}

.footer-tagline {
  margin-top: var(--space-sm);
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.4);
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--space-xl);
  margin-bottom: var(--space-2xl);
}

.footer-col h4 {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.3);
  margin-bottom: var(--space-md);
}

.footer-col a {
  display: block;
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.6);
  padding: var(--space-xs) 0;
  transition: color 0.2s;
}
.footer-col a:hover {
  color: white;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.3);
  flex-wrap: wrap;
  gap: var(--space-md);
}

.footer-krill-parade {
  display: flex;
  gap: var(--space-sm);
}

.krill-swim {
  display: inline-block;
  animation: krill-swim 4s ease-in-out infinite;
  font-size: 1rem;
}

@keyframes krill-swim {
  0%, 100% { transform: translateY(0) scaleX(-1); }
  25% { transform: translateY(-4px) scaleX(-1); }
  50% { transform: translateY(0) scaleX(-1); }
  75% { transform: translateY(2px) scaleX(-1); }
}

/* ---- Utility ---- */

@media (max-width: 640px) {
  .hero { padding-top: calc(64px + var(--space-2xl)); padding-bottom: var(--space-2xl); }
  .features, .tech-stack, .scripting-preview, .cta-section {
    padding: var(--space-2xl) var(--space-md);
  }
  .features-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; align-items: center; }
}

/* Smooth scrolling offset for anchored sections */
[id] {
  scroll-margin-top: 80px;
}