/* style.css — Vibroacoustic Guide Design Tokens + Components */

/* ===== FONTS ===== */
/* Inter (headings), Source Serif 4 (body), IBM Plex Mono (specs/citations) loaded via HTML */

:root {
  --font-display: 'Inter', 'Helvetica Neue', sans-serif;
  --font-body: 'Source Serif 4', Georgia, serif;
  --font-mono: 'IBM Plex Mono', 'Courier New', monospace;

  /* ===== TYPE SCALE ===== */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1.0625rem, 1rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);

  /* ===== SPACING (4px base) ===== */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* ===== COLOR PALETTE (Vibroacoustic Guide) ===== */
  --color-bg: #F3EEE4;
  --color-surface: #EDE8DC;
  --color-surface-2: #F8F5EF;
  --color-text: #1E2340;
  --color-text-secondary: #4A5468;
  --color-mist: #D6DCE2;
  --color-accent: #B89662;
  --color-accent-secondary: #3E6A6A;
  --color-divider: #D6DCE2;

  /* ===== RADIUS ===== */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* ===== TRANSITIONS ===== */
  --transition-interactive: 200ms ease-in-out;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);

  /* ===== SHADOWS ===== */
  --shadow-sm: 0 1px 3px rgba(30, 35, 64, 0.06);
  --shadow-md: 0 4px 12px rgba(30, 35, 64, 0.08);
  --shadow-lg: 0 12px 32px rgba(30, 35, 64, 0.12);

  /* ===== CONTENT WIDTHS ===== */
  --content-narrow: 680px;
  --content-default: 960px;
  --content-wide: 1200px;
}

/* ============================================
   LAYOUT
   ============================================ */

.container {
  max-width: var(--content-default);
  margin-inline: auto;
  padding-inline: var(--space-4);
}
.container--narrow {
  max-width: var(--content-narrow);
}
.container--wide {
  max-width: var(--content-wide);
}

/* ============================================
   HEADER / NAV
   ============================================ */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(243, 238, 228, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-mist);
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}
.site-header--scrolled {
  box-shadow: var(--shadow-sm);
}

.header-inner {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding: var(--space-3) var(--space-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  color: var(--color-text);
  flex-shrink: 0;
}
.logo svg {
  width: 32px;
  height: 16px;
}
.logo-text {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.nav-desktop {
  display: none;
}
@media (min-width: 768px) {
  .nav-desktop {
    display: flex;
    align-items: center;
    gap: var(--space-5);
    list-style: none;
  }
  .nav-desktop a {
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: 400;
    color: var(--color-text-secondary);
    text-decoration: none;
    padding: var(--space-1) 0;
    border-bottom: 1.5px solid transparent;
    transition: color var(--transition-interactive), border-color var(--transition-interactive);
  }
  .nav-desktop a:hover,
  .nav-desktop a.active {
    color: var(--color-text);
    border-bottom-color: var(--color-accent);
  }
}

.hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  cursor: pointer;
  background: none;
  border: none;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 1px;
  transition: transform 0.3s var(--ease-out), opacity 0.3s var(--ease-out);
}
.hamburger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger.active span:nth-child(2) {
  opacity: 0;
}
.hamburger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}
@media (min-width: 768px) {
  .hamburger {
    display: none;
  }
}

.mobile-nav {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 99;
  background: var(--color-bg);
  padding: calc(var(--space-16) + var(--space-8)) var(--space-6) var(--space-8);
  overflow-y: auto;
}
.mobile-nav.open {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.mobile-nav a {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 400;
  color: var(--color-text);
  text-decoration: none;
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-mist);
}

/* ============================================
   FOOTER
   ============================================ */

.site-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-mist);
  padding: var(--space-12) var(--space-4) var(--space-8);
  margin-top: var(--space-16);
}
.footer-inner {
  max-width: var(--content-wide);
  margin-inline: auto;
}
.footer-columns {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  margin-bottom: var(--space-8);
}
@media (min-width: 768px) {
  .footer-columns {
    grid-template-columns: 1fr 1fr;
  }
}
.footer-col h4 {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-4);
}
.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.footer-col a {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-interactive);
}
.footer-col a:hover {
  color: var(--color-accent);
}
.footer-bottom {
  border-top: 1px solid var(--color-mist);
  padding-top: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.footer-bottom p,
.footer-bottom small {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  line-height: 1.6;
  max-width: 72ch;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}
.footer-logo svg {
  width: 40px;
  height: 14px;
  color: var(--color-accent);
}

/* ============================================
   TYPOGRAPHY HELPERS
   ============================================ */

.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 400;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

h1 {
  font-size: var(--text-2xl);
  font-weight: 500;
  color: var(--color-text);
  letter-spacing: -0.02em;
}
h2 {
  font-size: var(--text-xl);
  font-weight: 500;
  color: var(--color-text);
  letter-spacing: -0.01em;
  margin-bottom: var(--space-6);
}
h3 {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}

.body-text {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  line-height: 1.6;
  max-width: 68ch;
}
.body-text p + p {
  margin-top: var(--space-4);
}
.body-text a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(184, 150, 98, 0.4);
  transition: text-decoration-color var(--transition-interactive);
}
.body-text a:hover {
  text-decoration-color: var(--color-accent);
}

.deck {
  font-family: var(--font-body);
  font-size: clamp(1.0625rem, 0.95rem + 0.5vw, 1.25rem);
  color: var(--color-text-secondary);
  line-height: 1.6;
  max-width: 56ch;
}

/* ============================================
   GLOBAL COMPONENTS
   ============================================ */

/* Callout / Aside Box */
.callout {
  background: var(--color-surface-2);
  border-left: 3px solid var(--color-accent);
  padding: var(--space-5) var(--space-6);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: var(--space-6) 0;
}
.callout p {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  line-height: 1.6;
  max-width: 68ch;
}
.callout p + p {
  margin-top: var(--space-3);
}
.callout strong {
  color: var(--color-text);
}

/* Frequency Tag */
.freq-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-accent-secondary);
  background: rgba(62, 106, 106, 0.1);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-full);
  white-space: nowrap;
}

/* Evidence Badge */
.evidence-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 500;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  white-space: nowrap;
}
.evidence-badge--strong {
  color: #2D5F2D;
  background: rgba(45, 95, 45, 0.1);
}
.evidence-badge--moderate {
  color: #8B6914;
  background: rgba(184, 150, 98, 0.15);
}
.evidence-badge--weak {
  color: #7A4A3E;
  background: rgba(122, 74, 62, 0.1);
}
.evidence-badge .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
}
.evidence-badge--strong .dot { background: #2D5F2D; }
.evidence-badge--moderate .dot { background: #8B6914; }
.evidence-badge--weak .dot { background: #7A4A3E; }

/* Citation Superscript */
.cite {
  font-family: var(--font-mono);
  font-size: 0.7em;
  vertical-align: super;
  line-height: 0;
  color: var(--color-accent-secondary);
  text-decoration: none;
  cursor: pointer;
}
.cite:hover {
  color: var(--color-accent);
}

/* Reference List */
.reference-list {
  counter-reset: ref;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: 0;
}
.reference-list li {
  counter-increment: ref;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text);
  line-height: 1.5;
  padding-left: var(--space-8);
  text-indent: calc(-1 * var(--space-8));
  max-width: 100%;
}
.reference-list li::before {
  content: counter(ref) ".";
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  margin-right: var(--space-2);
  display: inline;
}
.reference-list .ref-author {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
}
.reference-list a {
  color: var(--color-accent-secondary);
  text-decoration: underline;
  text-underline-offset: 2px;
  word-break: break-all;
}
.reference-list a:hover {
  color: var(--color-accent);
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 500;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  text-decoration: none;
  cursor: pointer;
  transition: background var(--transition-interactive), color var(--transition-interactive), box-shadow var(--transition-interactive), transform var(--transition-interactive);
  min-height: 44px;
}
.btn--primary {
  background: var(--color-text);
  color: var(--color-bg);
}
.btn--primary:hover {
  background: var(--color-text-secondary);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.btn--primary:active {
  transform: translateY(0);
}
.btn--secondary {
  background: transparent;
  color: var(--color-accent);
  border-bottom: 1.5px solid var(--color-accent);
  border-radius: 0;
  padding: var(--space-2) 0;
}
.btn--secondary:hover {
  color: var(--color-text);
  border-bottom-color: var(--color-text);
}

/* ============================================
   CARDS
   ============================================ */

.card {
  background: var(--color-surface-2);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: box-shadow var(--transition-interactive), transform var(--transition-interactive);
}
.card--link {
  text-decoration: none;
  color: inherit;
  display: block;
  cursor: pointer;
}
.card--link:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.card--link:active {
  transform: translateY(0);
}
.card h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}
.card p {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.card--featured {
  border-top: 3px solid var(--color-accent);
}

/* ============================================
   SECTIONS
   ============================================ */

.section {
  padding: var(--space-12) var(--space-4);
}
@media (min-width: 768px) {
  .section {
    padding: var(--space-16) var(--space-4);
  }
}
@media (min-width: 1024px) {
  .section {
    padding: var(--space-20) var(--space-4);
  }
}

.section-divider {
  width: 48px;
  height: 1px;
  background: var(--color-mist);
  margin: var(--space-12) auto;
}

/* ============================================
   RESEARCH PAGE (TOC + Sidebar)
   ============================================ */

.research-layout {
  display: flex;
  flex-direction: column;
  max-width: var(--content-wide);
  margin-inline: auto;
  gap: var(--space-8);
}
@media (min-width: 1024px) {
  .research-layout {
    flex-direction: row;
    gap: var(--space-10);
  }
}

.research-toc {
  display: block;
}
@media (min-width: 1024px) {
  .research-toc {
    display: block;
    width: 240px;
    flex-shrink: 0;
    position: sticky;
    top: calc(var(--space-16) + var(--space-4));
    max-height: calc(100vh - var(--space-20));
    overflow-y: auto;
    align-self: flex-start;
  }
}

.toc-mobile-toggle {
  display: block;
  width: 100%;
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
  background: var(--color-surface);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  cursor: pointer;
  border: 1px solid var(--color-mist);
  text-align: left;
}
@media (min-width: 1024px) {
  .toc-mobile-toggle {
    display: none;
  }
}

.toc-mobile-content {
  display: none;
  padding: var(--space-4);
  background: var(--color-surface);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  border: 1px solid var(--color-mist);
  border-top: none;
  margin-bottom: var(--space-6);
}
.toc-mobile-content.open {
  display: block;
}
@media (min-width: 1024px) {
  .toc-mobile-content {
    display: block !important;
    padding: 0;
    background: transparent;
    border: none;
    border-radius: 0;
    margin-bottom: 0;
  }
}

.toc-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.toc-list a {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  text-decoration: none;
  padding: var(--space-1) var(--space-3);
  border-left: 2px solid transparent;
  border-radius: 0;
  transition: color var(--transition-interactive), border-color var(--transition-interactive);
  line-height: 1.4;
}
.toc-list a:hover,
.toc-list a.active {
  color: var(--color-text);
  border-left-color: var(--color-accent);
}

.research-content {
  flex: 1;
  max-width: var(--content-narrow);
  min-width: 0;
}

.research-section {
  margin-bottom: var(--space-12);
  scroll-margin-top: calc(var(--space-16) + var(--space-4));
}

/* ============================================
   PROVIDER DIRECTORY
   ============================================ */

.state-group {
  margin-bottom: var(--space-8);
}
.state-header {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-mist);
  margin-bottom: var(--space-4);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.state-header .chevron {
  transition: transform 0.3s var(--ease-out);
  color: var(--color-text-secondary);
}
.state-header.open .chevron {
  transform: rotate(180deg);
}
.state-clinics {
  display: none;
  flex-direction: column;
  gap: var(--space-4);
}
.state-clinics.open {
  display: flex;
}
@media (min-width: 1024px) {
  .state-clinics {
    display: flex;
  }
  .state-header .chevron {
    display: none;
  }
  .state-header {
    cursor: default;
  }
}

.clinic-card {
  background: var(--color-surface-2);
  border-radius: var(--radius-md);
  padding: var(--space-5);
}
.clinic-card h4 {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}
.clinic-card p {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.5;
}
.clinic-card a {
  color: var(--color-accent-secondary);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.clinic-card a:hover {
  color: var(--color-accent);
}

/* ============================================
   APPS & TABLES PAGE
   ============================================ */

.product-card {
  background: var(--color-surface-2);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}
.product-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  margin-bottom: var(--space-2);
}
.product-card .publisher {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-3);
}
.product-card p {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text);
  line-height: 1.6;
  margin-bottom: var(--space-4);
}
.product-card .links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}
.product-card .links a {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-accent-secondary);
  text-decoration: none;
  border-bottom: 1px solid rgba(62, 106, 106, 0.3);
  padding-bottom: 1px;
  transition: color var(--transition-interactive), border-color var(--transition-interactive);
}
.product-card .links a:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}
.platform-tag {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  background: rgba(74, 84, 104, 0.08);
  padding: 2px var(--space-2);
  border-radius: var(--radius-sm);
}

/* ============================================
   PROTOCOLS TABLE
   ============================================ */

.protocols-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-display);
  font-size: var(--text-sm);
  overflow-x: auto;
  display: block;
}
@media (min-width: 768px) {
  .protocols-table {
    display: table;
  }
}
.protocols-table thead {
  background: var(--color-surface);
}
.protocols-table th {
  font-weight: 600;
  text-align: left;
  padding: var(--space-3) var(--space-4);
  border-bottom: 2px solid var(--color-mist);
  white-space: nowrap;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-secondary);
}
.protocols-table td {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-mist);
  vertical-align: top;
}
.protocols-table td code {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-accent-secondary);
}

/* ============================================
   HERO (Home)
   ============================================ */

.hero {
  position: relative;
  min-height: 70vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--space-16) var(--space-4) var(--space-12);
  overflow: hidden;
}
@media (max-width: 767px) {
  .hero {
    min-height: 50vh;
    padding: var(--space-12) var(--space-4) var(--space-8);
  }
}
.hero-content {
  max-width: var(--content-default);
  margin-inline: auto;
  width: 100%;
  position: relative;
  z-index: 2;
}
.hero h1 {
  margin: var(--space-3) 0 var(--space-6);
}
.hero .deck {
  margin-bottom: var(--space-8);
}
.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  align-items: center;
}

/* Sine wave canvas */
.sine-wave-canvas {
  position: absolute;
  bottom: 15%;
  left: 0;
  right: 0;
  height: 80px;
  z-index: 1;
  opacity: 0.35;
  pointer-events: none;
}

/* ============================================
   HOME PAGE SECTIONS
   ============================================ */

.delivery-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}
@media (min-width: 768px) {
  .delivery-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.delivery-card {
  background: var(--color-surface-2);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}
.delivery-card .icon-wrap {
  width: 48px;
  height: 48px;
  margin-bottom: var(--space-4);
  color: var(--color-accent);
}
.delivery-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 600;
  margin-bottom: var(--space-3);
}
.delivery-card p {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.nav-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}
@media (min-width: 768px) {
  .nav-cards {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ============================================
   TWO-COLUMN LAYOUT
   ============================================ */

.two-col {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}
@media (min-width: 1024px) {
  .two-col {
    flex-direction: row;
    gap: var(--space-12);
  }
  .two-col > * {
    flex: 1;
  }
}

/* ============================================
   ABOUT PAGE
   ============================================ */

.bio-layout {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  align-items: flex-start;
}
@media (min-width: 768px) {
  .bio-layout {
    flex-direction: row;
    gap: var(--space-8);
  }
}
.bio-photo {
  width: 160px;
  height: 160px;
  border-radius: var(--radius-lg);
  object-fit: cover;
  flex-shrink: 0;
  background: var(--color-surface);
}

/* ============================================
   CONTACT FORM
   ============================================ */

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  max-width: 580px;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.form-group label {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
}
.form-group input,
.form-group select,
.form-group textarea {
  font-family: var(--font-body);
  font-size: var(--text-base);
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-mist);
  border-radius: var(--radius-md);
  background: var(--color-surface-2);
  color: var(--color-text);
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(184, 150, 98, 0.15);
}
.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

/* Honeypot */
.ohnohoney {
  position: absolute;
  left: -9999px;
  opacity: 0;
}

.form-optional {
  font-weight: 400;
  color: var(--color-text-muted);
  font-size: 0.875em;
}

.form-required {
  color: var(--color-accent);
}

.form-actions {
  margin-top: var(--space-2);
}

.form-privacy-note {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-2);
  margin-bottom: 0;
}

.form-status {
  font-size: var(--text-sm);
  min-height: 1.5em;
}

/* ============================================
   COMING SOON (Build page)
   ============================================ */

.coming-soon {
  text-align: center;
  padding: var(--space-20) var(--space-4);
  max-width: 580px;
  margin-inline: auto;
}
.coming-soon h1 {
  margin-bottom: var(--space-6);
}
.coming-soon .deck {
  margin-inline: auto;
  margin-bottom: var(--space-8);
}

/* ============================================
   SCROLL REVEAL
   ============================================ */

.fade-in {
  opacity: 1;
}
@supports (animation-timeline: scroll()) {
  .fade-in {
    opacity: 0;
    animation: reveal-fade linear both;
    animation-timeline: view();
    animation-range: entry 0% entry 80%;
  }
}
@keyframes reveal-fade {
  to { opacity: 1; }
}

/* ============================================
   LEGAL PAGES
   ============================================ */

.legal-content {
  max-width: var(--content-narrow);
  margin-inline: auto;
}
.legal-content h2 {
  margin-top: var(--space-10);
}
.legal-content h3 {
  margin-top: var(--space-6);
}
.legal-content p {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  line-height: 1.6;
  max-width: 68ch;
  margin-bottom: var(--space-4);
}
.legal-content ul {
  padding-left: var(--space-6);
  margin-bottom: var(--space-4);
}
.legal-content li {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  line-height: 1.6;
  margin-bottom: var(--space-2);
}
.legal-content a {
  color: var(--color-accent-secondary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ============================================
   IMPLANTED DEVICE CALLOUT (shared)
   ============================================ */

.safety-callout {
  background: rgba(62, 106, 106, 0.06);
  border-left: 3px solid var(--color-accent-secondary);
  padding: var(--space-4) var(--space-5);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: var(--space-8) 0;
}
.safety-callout p {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text);
  line-height: 1.6;
  max-width: 68ch;
}
.safety-callout strong {
  font-weight: 600;
}
.safety-callout a {
  color: var(--color-accent-secondary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ============================================
   PAGE HEADER (shared inner pages)
   ============================================ */

.page-header {
  padding: var(--space-16) var(--space-4) var(--space-10);
  border-bottom: 1px solid var(--color-mist);
}
@media (max-width: 767px) {
  .page-header {
    padding: var(--space-12) var(--space-4) var(--space-8);
  }
}
.page-header .eyebrow {
  margin-bottom: var(--space-3);
}
.page-header h1 {
  margin-bottom: var(--space-4);
}
.page-header .deck {
  max-width: 64ch;
}

/* ============================================
   DISCLOSURE CALLOUT (shared inner pages)
   ============================================ */

.disclosure-callout {
  background: rgba(184, 150, 98, 0.07);
  border-left: 3px solid var(--color-accent);
  padding: var(--space-4) var(--space-5);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: var(--space-6) 0;
}
.disclosure-callout p {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin: 0;
}

/* ============================================
   PRODUCT GRID AND CARD EXTENSIONS
   ============================================ */

.product-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  margin-top: var(--space-6);
}
@media (min-width: 640px) {
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 1024px) {
  .product-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.product-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.product-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-2);
}
.product-card-header h3 {
  flex: 1;
}
.product-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  flex-shrink: 0;
}
.product-card-footer {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: auto;
  padding-top: var(--space-4);
}
.product-link {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-accent-secondary);
  text-decoration: none;
  border-bottom: 1px solid rgba(62, 106, 106, 0.3);
  padding-bottom: 1px;
  transition: color var(--transition-interactive), border-color var(--transition-interactive);
}
.product-link:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

/* ============================================
   ABOUT PAGE EXTENSIONS
   ============================================ */

.about-disclosures {
  padding-left: var(--space-6);
  margin: var(--space-4) 0;
  list-style: decimal;
}
.about-disclosures li {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--color-text);
  margin-bottom: var(--space-3);
  padding-left: var(--space-2);
}
.about-signature {
  font-family: var(--font-body);
  font-style: italic;
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  margin-top: var(--space-6);
  line-height: 1.6;
}
.bio-photo {
  width: 160px;
  height: 160px;
  border-radius: var(--radius-lg);
  object-fit: cover;
  flex-shrink: 0;
  background: var(--color-surface);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.bio-photo-placeholder {
  width: 120px;
  height: 120px;
  color: var(--color-text-secondary);
}
.bio-text {
  flex: 1;
}

/* ============================================
   BUILD PAGE: SINE WAVE ILLUSTRATION
   ============================================ */

.coming-soon-inner {
  max-width: 580px;
  margin-inline: auto;
  text-align: center;
}
.sine-wave-illustration {
  margin-top: var(--space-8);
  color: var(--color-text-secondary);
  opacity: 0.6;
}