/*
 * Intent Web Style Sheet
 * Cleaned and hardened for all pages.
 * Fixes:
 * - nav logo forced to stay small
 * - logo hover text works consistently
 * - duplicate demo-control rules removed
 * - footer padding syntax fixed
 * - mobile nav spacing improved
 */

@import url('https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&family=Instrument+Sans:wght@400;500;600;700&display=swap');

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

:root {
  --color-bg: #1a1d24;
  --color-bg-deep: #111821;
  --color-bg-light: #2d3142;
  --color-panel: #2d3142;
  --color-panel-soft: rgba(45, 49, 66, 0.82);
  --color-text: #c5c9d3;
  --color-text-bright: #e8ebf0;
  --color-text-muted: #8a8f9e;
  --color-text-dark: #5a5f6e;
  --color-border: rgba(197, 201, 211, 0.14);
  --color-border-strong: rgba(197, 201, 211, 0.24);
  --color-accent: #00bfa6;
  --color-accent-alt: #6a74e5;
  --color-gold: #d8bf8a;
  --color-orange: #f0b17d;
  --shadow-soft: 0 16px 40px rgba(0, 0, 0, 0.22);
  --shadow-hover: 0 22px 50px rgba(0, 0, 0, 0.32);
  --nav-height: 74px;
}

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

body {
  min-height: 100vh;
  font-family: 'Instrument Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(45, 49, 66, 0.48) 0%, rgba(45, 49, 66, 0.12) 32%, transparent 68%),
    linear-gradient(180deg, #151922 0%, #1a1d24 42%, #171b23 100%);
}

body::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.7' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

img,
svg {
  display: block;
}

button,
select,
input {
  font: inherit;
}

button,
a,
select,
input[type='checkbox'],
input[type='range'] {
  -webkit-tap-highlight-color: transparent;
}

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 4px;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.8rem 2rem;
  border: 1px solid var(--color-accent);
  border-radius: 999px;
  background-color: var(--color-accent);
  color: #ffffff;
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.25s ease, border-color 0.25s ease, color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}

.btn:hover {
  background-color: var(--color-accent-alt);
  border-color: var(--color-accent-alt);
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
}

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

.btn-outline:hover {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: #ffffff;
}

.btn.pause,
.demo-container .btn.pause {
  background-color: var(--color-accent-alt) !important;
  border-color: var(--color-accent-alt) !important;
  color: #ffffff !important;
}

.btn.pause:hover,
.demo-container .btn.pause:hover {
  background-color: var(--color-accent) !important;
  border-color: var(--color-accent) !important;
}

/* Navigation */
nav.primary-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  min-height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 2rem;
  background-color: rgba(12, 15, 21, 0.82);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

nav.primary-nav .logo {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  flex: 0 0 auto;
  max-width: max-content;
  color: var(--color-text);
  text-decoration: none;
  font-family: 'Instrument Serif', Georgia, serif;
  font-weight: 700;
  font-size: clamp(1.45rem, 2vw, 1.7rem);
  line-height: 1;
  letter-spacing: 0.01em;
  transition: color 0.25s ease;
}

/* Hard guard against giant logo collisions */
nav.primary-nav .logo img,
nav.primary-nav .logo-img,
nav.primary-nav .logo-image {
  width: 32px !important;
  height: 32px !important;
  min-width: 32px !important;
  min-height: 32px !important;
  max-width: 32px !important;
  max-height: 32px !important;
  object-fit: contain !important;
  flex: 0 0 32px !important;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  filter: none !important;
  transform: none !important;
  animation: none !important;
}

nav.primary-nav .logo-text {
  display: inline-block;
  color: var(--color-text);
  transform: translateY(1px);
  transition: color 0.25s ease;
}

nav.primary-nav .logo:hover,
nav.primary-nav .logo:focus-visible,
nav.primary-nav .logo:hover .logo-text,
nav.primary-nav .logo:focus-visible .logo-text {
  color: var(--color-accent);
}

nav.primary-nav ul {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(0.9rem, 2vw, 1.6rem);
}

nav.primary-nav li {
  position: relative;
}

nav.primary-nav a {
  color: var(--color-text-muted);
  font-weight: 700;
  font-size: 0.98rem;
  text-decoration: none;
  transition: color 0.25s ease;
}

nav.primary-nav a:hover,
nav.primary-nav a:focus-visible,
nav.primary-nav a.active {
  color: var(--color-accent);
}

/* Page sections */
.hero {
  position: relative;
  min-height: 88vh;
  padding: calc(var(--nav-height) + 4rem) 1.5rem 5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: radial-gradient(circle at 50% 18%, rgba(45, 49, 66, 0.86) 0%, rgba(26, 29, 36, 0.98) 74%);
}

.hero h1 {
  max-width: 960px;
  margin-bottom: 1rem;
  font-family: 'Instrument Serif', Georgia, serif;
  font-weight: 700;
  font-size: clamp(2.6rem, 6vw, 4.5rem);
  line-height: 1.06;
  color: var(--color-text-bright);
}

.hero p {
  max-width: 680px;
  margin-bottom: 2rem;
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: var(--color-text-muted);
}

.hero .cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
}

main,
.hero,
.features-section,
.science-section,
.demo-section,
.patterns-grid,
.features-grid,
.pattern-card,
.feature-card {
  filter: none !important;
}

/* Feature cards */
.features-section {
  padding-top: 4rem;
  padding-bottom: 4rem;
}

.features-section h2,
.demo-section h2,
.science-section h2 {
  font-family: 'Instrument Serif', Georgia, serif;
  font-weight: 700;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.1;
  color: var(--color-text-bright);
  text-align: center;
}

.features-section h2 {
  margin-bottom: 2.5rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.5rem;
}

.feature-card {
  min-height: 270px;
  padding: 2rem 1.75rem;
  background-color: var(--color-panel-soft);
  border: 1px solid var(--color-border);
  border-radius: 14px;
  box-shadow: none;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-border-strong);
  box-shadow: var(--shadow-hover);
}

.feature-card .icon {
  width: 2.7rem;
  height: 2.7rem;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: flex-start;
}

.feature-card .icon svg {
  width: 100%;
  height: 100%;
  fill: var(--color-accent);
}

.feature-card h3 {
  margin-bottom: 0.8rem;
  color: var(--color-text-bright);
  font-weight: 700;
  font-size: 1.35rem;
  line-height: 1.25;
}

.feature-card p {
  color: var(--color-text-muted);
  font-size: 1rem;
  line-height: 1.55;
}

/* Science */
.science-section {
  margin-top: 4rem;
  padding: 4.5rem 1.5rem;
  background-color: var(--color-panel);
  border-top: 1px solid var(--color-border);
}

.science-section h2 {
  margin-bottom: 2rem;
}

.science-section ul {
  list-style: none;
  max-width: 980px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 2rem;
  padding-left: 0;
}

.science-section li {
  position: relative;
  margin-bottom: 1.2rem;
  padding-left: 1.6rem;
  color: var(--color-text-muted);
  font-size: 1.05rem;
}

.science-section li::before {
  content: '\2022';
  position: absolute;
  left: 0;
  top: -0.05rem;
  color: var(--color-accent);
  font-size: 1.6rem;
  line-height: 1;
}

.science-section sup {
  font-size: 0.72rem;
  margin-left: 0.15rem;
  vertical-align: super;
}

.science-section sup a {
  color: var(--color-accent-alt);
  text-decoration: none;
}

.science-section sup a:hover {
  color: var(--color-accent);
  text-decoration: underline;
}

.science-section .footnotes {
  max-width: 1100px;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: 0.86rem;
  line-height: 1.55;
}

.science-section .footnotes p {
  margin-bottom: 0.7rem;
}

/* Pattern pages */
.patterns-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  padding-top: 2rem;
}

.pattern-card {
  min-height: 160px;
  padding: 1.5rem 1.25rem;
  background-color: var(--color-panel-soft);
  border: 1px solid var(--color-border);
  border-left: 6px solid var(--color-gold);
  border-radius: 12px;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.pattern-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-border-strong);
  box-shadow: var(--shadow-soft);
}

.pattern-card .pattern-name {
  margin-bottom: 0.35rem;
  color: var(--color-gold);
  font-family: 'Instrument Serif', Georgia, serif;
  font-weight: 700;
  font-size: 1.35rem;
  line-height: 1.15;
}

.pattern-card .pattern-tagline {
  margin-bottom: 0.6rem;
  color: var(--color-text-bright);
  font-weight: 700;
  font-size: 0.95rem;
}

.pattern-card .pattern-desc {
  margin-bottom: 0.6rem;
  color: var(--color-text-muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

.pattern-card .pattern-label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.22rem 0.5rem;
  border-radius: 5px;
  background-color: var(--color-accent-alt);
  color: #ffffff;
  font-size: 0.72rem;
  font-weight: 700;
}

/* Try page demo */
.demo-section {
  padding: 4rem 1.5rem 4.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  text-align: center;
}

.demo-section h2 {
  margin-bottom: 1.6rem;
}

.demo-container {
  width: min(480px, 100%);
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  background-color: var(--color-panel-soft);
  border: 1px solid var(--color-border);
  border-radius: 14px;
  box-shadow: var(--shadow-soft);
}

.breathing-circle {
  width: 200px;
  height: 200px;
  margin-left: auto;
  margin-right: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 50%, rgba(0, 191, 166, 0.95) 0%, rgba(0, 191, 166, 0.52) 36%, rgba(45, 49, 66, 0.95) 72%);
  color: #050b10;
  font-weight: 800;
  font-size: 1.25rem;
  box-shadow: inset 0 0 55px rgba(0, 0, 0, 0.34), 0 22px 44px rgba(0, 0, 0, 0.22);
}

.demo-status {
  margin-bottom: 0.5rem;
  color: var(--color-text-muted);
  font-size: 1.1rem;
  font-weight: 600;
}

.demo-container .btn {
  min-width: 100px;
  min-height: 44px;
  padding: 0.7rem 1.6rem;
  background-color: var(--color-accent) !important;
  border-color: var(--color-accent) !important;
  color: #ffffff !important;
}

.demo-container .btn:hover {
  background-color: var(--color-accent-alt) !important;
  border-color: var(--color-accent-alt) !important;
}

.demo-controls {
  width: 100%;
  margin-top: 1.2rem;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0.95rem;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.demo-controls label {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.35rem;
  color: var(--color-text);
}

.demo-controls label:has(input[type='checkbox']) {
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
}

.demo-controls select {
  min-height: 34px;
  max-width: 220px;
  padding: 0.3rem 0.55rem;
  border-radius: 6px;
  border: 1px solid var(--color-border);
  background-color: rgba(26, 29, 36, 0.48);
  color: var(--color-text);
}

.demo-controls input[type='checkbox'] {
  width: 18px;
  height: 18px;
  accent-color: var(--color-accent);
}

.demo-controls input[type='range'] {
  width: 100%;
}

input[type='range'] {
  -webkit-appearance: none;
  appearance: none;
  height: 4px;
  border-radius: 999px;
  background: rgba(197, 201, 211, 0.12);
  outline: none;
}

input[type='range']::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 16px;
  height: 16px;
  margin-top: -6px;
  border-radius: 50%;
  background: var(--color-accent);
  cursor: pointer;
}

input[type='range']::-webkit-slider-runnable-track {
  height: 4px;
  border-radius: 999px;
  background: rgba(197, 201, 211, 0.12);
}

input[type='range']::-moz-range-thumb {
  width: 16px;
  height: 16px;
  border: 0;
  border-radius: 50%;
  background: var(--color-accent);
  cursor: pointer;
}

input[type='range']::-moz-range-track {
  height: 4px;
  border-radius: 999px;
  background: rgba(197, 201, 211, 0.12);
}

/* Privacy and text pages */
main.container {
  color: var(--color-text);
}

main.container h2 {
  color: var(--color-text-bright);
  line-height: 1.2;
}

main.container p {
  color: var(--color-text);
}

main.container strong {
  color: var(--color-text-bright);
}

main.container a {
  color: var(--color-accent);
}

/* Footer */
footer {
  margin-top: 0;
  padding: 3rem 1.5rem 2.5rem;
  background-color: var(--color-panel);
  border-top: 1px solid var(--color-border);
  text-align: center;
  color: var(--color-text-muted);
}

footer .footer-links {
  margin-top: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

footer .footer-links a {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  text-decoration: none;
  transition: color 0.25s ease;
}

footer .footer-links a:hover,
footer .footer-links a:focus-visible {
  color: var(--color-accent);
}

/* Defensive cleanup for legacy homepage-only classes if they ever leak into other pages */
.logo-wrapper,
.logo-image,
.breath-rings,
.breath-ring,
.wordmark,
.ambient,
.breath-guide {
  max-width: 100%;
}

nav.primary-nav .logo-wrapper,
nav.primary-nav .breath-rings,
nav.primary-nav .breath-ring,
nav.primary-nav .ambient,
nav.primary-nav .breath-guide {
  display: none !important;
}

@media (max-width: 1100px) {
  .features-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 700px) {
  :root {
    --nav-height: auto;
  }

  nav.primary-nav {
    position: sticky;
    padding: 0.85rem 1rem;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.8rem;
  }

  nav.primary-nav .logo {
    width: 100%;
    justify-content: center;
  }

  nav.primary-nav ul {
    width: 100%;
    justify-content: center;
    gap: 1rem;
  }

  nav.primary-nav a {
    font-size: 0.92rem;
  }

  .hero {
    min-height: auto;
    padding: 4rem 1.2rem 4rem;
  }

  .hero h1 {
    font-size: clamp(2.2rem, 11vw, 3.3rem);
  }

  .hero p {
    font-size: 1rem;
  }

  .features-grid,
  .patterns-grid {
    grid-template-columns: 1fr;
  }

  .features-section {
    padding-top: 3rem;
    padding-bottom: 3rem;
  }

  .feature-card {
    min-height: auto;
  }

  .science-section {
    margin-top: 3rem;
    padding: 3rem 1rem;
  }

  .demo-section {
    padding: 3rem 1rem;
  }

  .demo-container {
    padding: 1.5rem 1.15rem;
  }

  .breathing-circle {
    width: 170px;
    height: 170px;
  }

  footer {
    padding: 2.5rem 1rem 2.2rem;
  }
}

@media (max-width: 420px) {
  nav.primary-nav ul {
    gap: 0.75rem;
  }

  nav.primary-nav a {
    font-size: 0.84rem;
  }

  .hero .cta {
    flex-direction: column;
    width: 100%;
  }

  .hero .cta .btn {
    width: min(280px, 100%);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}