/* ==========================================================================
   BrewStation Web & Compliance Pages — Design Tokens & Core Styles
   Aesthetics: Kitchen-utility, instrument precision, dark ground.
   Typography: IBM Plex Sans (wordmark + interface) & IBM Plex Mono (telemetry).
   ========================================================================== */

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

:root {
  /* Dark Mode Baseline (Matches App Dark Theme) */
  --bg-ground: #161618;
  --bg-surface: #1C1C1E;
  --bg-card: #242428;
  --bg-card-raised: #2C2C30;
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-medium: #323236;
  --text-primary: #EDEDED;
  --text-muted: #A1A1A6;
  --text-faint: #6E6E73;
  --cta-bg: #3A3F44;
  --cta-text: #FFFFFF;
  --cta-border: rgba(255, 255, 255, 0.12);
  --nav-backdrop: rgba(22, 22, 24, 0.85);
  --drip-accent: #C87A54;

  /* Aliases & Complementary Tokens */
  --bg-surface-subtle: #202023;
  --bg-card-hover: #29292E;
  --bg-raised: var(--bg-card-raised);
  --bg-input: #121214;
  --bg-code: rgba(255, 255, 255, 0.08);
  --bg-badge: rgba(255, 255, 255, 0.06);

  --border-hairline: var(--border-subtle);
  --border-strong: var(--border-medium);

  --ink-primary: var(--text-primary);
  --ink-secondary: var(--text-muted);
  --ink-faint: var(--text-faint);
  --ink-contrast: #121214;

  --mark-accent: var(--drip-accent);
  --graphite: var(--cta-bg);
  --graphite-deep: #24282C;
  --label-tint: #EDEAE4;

  /* Sensory Ratings */
  --sensory-sour: #E5A93C;
  --sensory-sour-bg: rgba(229, 169, 60, 0.12);
  --sensory-balanced: #10B981;
  --sensory-balanced-bg: rgba(16, 185, 129, 0.12);
  --sensory-bitter: #D97C63;
  --sensory-bitter-bg: rgba(217, 124, 99, 0.14);

  --active-glow: rgba(16, 185, 129, 0.2);

  --font-brand: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-sans: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'IBM Plex Mono', 'SF Mono', Menlo, Consolas, monospace;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-pill: 9999px;

  --container-max: 1120px;
}

@media (prefers-color-scheme: light) {
  :root {
    /* Light Mode (Matches App Light Theme / Steel Palette) */
    --bg-ground: #F5F5F7;
    --bg-surface: #FFFFFF;
    --bg-card: #FFFFFF;
    --bg-card-raised: #EDEAE4;
    --border-subtle: rgba(0, 0, 0, 0.08);
    --border-medium: #E5E5EA;
    --text-primary: #161618;
    --text-muted: #5A5A5E;
    --text-faint: #8E8E93;
    --cta-bg: #161618;
    --cta-text: #FFFFFF;
    --cta-border: rgba(0, 0, 0, 0.12);
    --nav-backdrop: rgba(245, 245, 247, 0.85);
    --drip-accent: #C87A54;

    /* Aliases & Complementary Tokens */
    --bg-surface-subtle: #F0F0F2;
    --bg-card-hover: #F2F2F7;
    --bg-raised: var(--bg-card-raised);
    --bg-input: #FFFFFF;
    --bg-code: rgba(0, 0, 0, 0.06);
    --bg-badge: rgba(0, 0, 0, 0.05);

    --border-hairline: var(--border-subtle);
    --border-strong: var(--border-medium);

    --ink-primary: var(--text-primary);
    --ink-secondary: var(--text-muted);
    --ink-faint: var(--text-faint);
    --ink-contrast: #FFFFFF;

    --mark-accent: var(--drip-accent);
    --graphite: var(--cta-bg);
    --graphite-deep: #24282C;
    --label-tint: #EDEAE4;

    --sensory-sour: #D98E2B;
    --sensory-sour-bg: rgba(217, 142, 43, 0.12);
    --sensory-balanced: #059669;
    --sensory-balanced-bg: rgba(5, 150, 105, 0.12);
    --sensory-bitter: #B5432E;
    --sensory-bitter-bg: rgba(181, 67, 46, 0.12);

    --active-glow: rgba(5, 150, 105, 0.16);
  }
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--bg-ground);
  color: var(--ink-primary);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.15s ease, opacity 0.15s ease;
}

img, svg {
  display: block;
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* Nav Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--nav-backdrop);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 16px 0;
}

.nav-container {
  max-width: 1120px;       /* Set to match footer max-width */
  margin: 0 auto;          /* Centers the navigation bar */
  padding: 0 24px;         /* Standard horizontal gutters matching footer */
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-sizing: border-box;
}

.brand-lockup,
.nav-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  flex-shrink: 0;
  color: var(--text-primary);
}

.brand-icon {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  color: var(--text-primary);
}

.brand-wordmark {
  font-family: var(--font-brand);
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: -0.6px;
  color: var(--text-primary);
  line-height: 1;
}

.nav-links {
  display: none;
  align-items: center;
  gap: 24px;
}

@media (min-width: 640px) {
  .nav-links {
    display: flex;
    align-items: center;
    gap: 24px;
    margin-left: auto;       /* Pushes links all the way to the right against the CTA */
    margin-right: 28px;      /* Clean spacing between the last nav link and the CTA button */
  }
}

.nav-link {
  font-size: 0.925rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color 0.15s ease;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-primary);
}

.btn-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: var(--cta-bg);
  color: var(--cta-text);
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--cta-border);
  transition: all 0.2s ease;
  white-space: nowrap;
}

.nav-cta {
  flex-shrink: 0;
  white-space: nowrap;
  padding: 8px 14px;
  font-size: 13px;
}

.btn-cta:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.btn-cta-accent {
  background-color: var(--drip-accent);
  color: #FFFFFF;
  border-color: transparent;
}

.btn-cta-accent:hover {
  background-color: #D68660;
}

/* Hero Section */
.hero-section {
  padding: 72px 0 48px;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--ink-secondary);
  margin-bottom: 24px;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--sensory-balanced);
  box-shadow: 0 0 10px var(--sensory-balanced);
}

.hero-title {
  font-family: var(--font-brand);
  font-size: clamp(2.8rem, 6vw, 4.2rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.05;
  color: var(--ink-primary);
  margin-bottom: 12px;
}

.hero-subtitle {
  font-family: var(--font-mono);
  font-size: clamp(1rem, 2.5vw, 1.35rem);
  font-weight: 400;
  color: var(--mark-accent);
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.hero-copy {
  max-width: 680px;
  margin: 0 auto 36px;
  font-size: 1.15rem;
  line-height: 1.65;
  color: var(--ink-secondary);
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

/* Telemetry Strip */
.telemetry-strip {
  display: flex;
  gap: 16px;
  max-width: 860px;
  margin: 0 auto;
  padding: 12px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
}

.telemetry-item {
  flex: 1 1 0;
  min-width: 0;
  padding: 16px 18px;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  text-align: center;
  gap: 6px;
}

.telemetry-label {
  font-family: var(--font-mono);
  font-size: 0.725rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.telemetry-value {
  font-family: var(--font-sans);
  font-size: 0.925rem;
  font-weight: 500;
  color: var(--text-primary);
  letter-spacing: -0.01em;
  line-height: 1.4;
  text-wrap: balance;
}

.telemetry-tag {
  color: var(--mark-accent);
}

/* Section Common */
.section {
  padding: 64px 0;
}

.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 48px;
}

.section-kicker {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--mark-accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}

.section-title {
  font-family: var(--font-brand);
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.2;
  color: var(--ink-primary);
  margin-bottom: 12px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--ink-secondary);
}

/* Feature Cards (The Three Pillars) */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card,
.pillar-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 280px;
  box-sizing: border-box;
  transition: transform 0.2s ease, border-color 0.2s ease;
  position: relative;
  overflow: hidden;
}

.feature-card:hover,
.pillar-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-medium);
}

.pillar-number {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-faint);
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}

.pillar-title {
  font-family: var(--font-brand);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 12px;
  line-height: 1.3;
}

.pillar-body {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 24px;
  flex-grow: 1;
}

.feature-spec,
.pillar-spec {
  margin-top: auto;
  text-align: center;
  display: block;
  width: 100%;
  padding: 8px 12px;
  box-sizing: border-box;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.775rem;
  color: var(--drip-accent);
}

/* Sensory Dial Pill / Taste Tag Display */
.taste-tag-container,
.sensory-pill-group {
  display: flex;
  gap: 8px;
  justify-content: center;
  align-items: center;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.taste-tag,
.sensory-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 32px;
  padding: 0 12px;
  border-radius: 9999px;
  font-size: 13px;
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 500;
  white-space: nowrap;
  letter-spacing: -0.01em;
  border: 1px solid transparent;
}

.taste-tag.sour,
.sensory-pill.sour {
  color: var(--sensory-sour);
  background: var(--sensory-sour-bg);
  border-color: rgba(229, 169, 60, 0.25);
}

.taste-tag.balanced,
.sensory-pill.balanced {
  color: var(--sensory-balanced);
  background: var(--sensory-balanced-bg);
  border-color: rgba(16, 185, 129, 0.25);
}

.taste-tag.bitter,
.sensory-pill.bitter {
  color: var(--sensory-bitter);
  background: var(--sensory-bitter-bg);
  border-color: rgba(217, 124, 99, 0.25);
}

/* 4-Step Countertop Loop */
.loop-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  position: relative;
}

.loop-step {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  position: relative;
}

.step-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.step-num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--drip-accent);
  background: rgba(200, 122, 84, 0.12);
  padding: 4px 8px;
  border-radius: var(--radius-sm);
}

.step-icon {
  color: var(--text-faint);
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

.step-title {
  font-family: var(--font-brand);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.step-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.55;
}

.step-tag {
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-faint);
  border-top: 1px solid var(--border-hairline);
  padding-top: 12px;
}

/* B2B Touchpoint Banner */
.b2b-band,
.b2b-banner {
  background: linear-gradient(180deg, var(--bg-surface) 0%, var(--bg-card) 100%);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-xl);
  padding: 40px 36px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  margin: 48px auto;
  max-width: var(--container-max);
  box-sizing: border-box;
}

.b2b-content {
  max-width: 640px;
}

.b2b-kicker {
  font-family: var(--font-mono);
  font-size: 0.775rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--mark-accent);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.b2b-text {
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--ink-primary);
  line-height: 1.5;
}

.b2b-link {
  color: var(--mark-accent);
  text-decoration: underline;
  text-underline-offset: 4px;
  font-weight: 600;
  transition: color 0.15s ease;
}

.b2b-link:hover {
  color: #E2936F;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border-hairline);
  background: var(--bg-surface);
  padding: 48px 0 36px;
  margin-top: auto;
}

.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-brand-title {
  font-family: var(--font-brand);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.4px;
  color: var(--ink-primary);
}

.footer-brand-desc {
  font-size: 0.85rem;
  color: var(--ink-faint);
  margin-top: 4px;
}

.footer-links {
  display: flex;
  gap: 24px;
  align-items: center;
}

.footer-link {
  font-size: 0.9rem;
  color: var(--ink-secondary);
  transition: color 0.15s ease;
}

.footer-link:hover {
  color: var(--ink-primary);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border-hairline);
  padding-top: 24px;
  font-family: var(--font-mono);
  font-size: 0.775rem;
  color: var(--ink-faint);
  flex-wrap: wrap;
  gap: 12px;
}

/* ==========================================================================
   Compliance & Support Pages Layout
   ========================================================================== */
.doc-page {
  padding: 64px 0 96px;
}

.doc-header {
  max-width: 800px;
  margin: 0 auto 48px;
  text-align: left;
}

.doc-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.775rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mark-accent);
  margin-bottom: 12px;
}

.doc-title {
  font-family: var(--font-brand);
  font-size: clamp(2.2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--ink-primary);
  margin-bottom: 12px;
}

.doc-meta {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--ink-faint);
}

.doc-content {
  max-width: 800px;
  margin: 0 auto;
}

.policy-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 40px;
  margin-bottom: 28px;
}

.policy-section-title {
  font-family: var(--font-brand);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink-primary);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.policy-badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  background: var(--bg-badge);
  border: 1px solid var(--border-hairline);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  color: var(--ink-secondary);
}

.policy-body {
  font-size: 1rem;
  color: var(--ink-secondary);
  line-height: 1.7;
}

.policy-body p {
  margin-bottom: 16px;
}

.policy-body p:last-child {
  margin-bottom: 0;
}

.policy-body ul {
  padding-left: 20px;
  margin-bottom: 16px;
}

.policy-body li {
  margin-bottom: 8px;
}

.policy-body code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: var(--bg-code);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--ink-primary);
}

.highlight-box {
  background: var(--bg-card);
  border-left: 3px solid var(--mark-accent);
  padding: 16px 20px;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 20px 0;
  font-size: 0.95rem;
  color: var(--ink-primary);
}

/* Support Contact Card */
.support-card {
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-xl);
  padding: 36px;
  margin-bottom: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
}

.support-info h3 {
  font-family: var(--font-brand);
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.support-info p {
  color: var(--ink-secondary);
  font-size: 0.95rem;
}

.support-window-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--sensory-balanced);
  margin-top: 8px;
}

/* FAQ Accordion */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color 0.2s ease;
}

.faq-item[open] {
  border-color: var(--border-strong);
}

.faq-summary {
  list-style: none;
  padding: 20px 24px;
  font-family: var(--font-brand);
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--ink-primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  user-select: none;
}

.faq-summary::-webkit-details-marker {
  display: none;
}

.faq-icon {
  width: 20px;
  height: 20px;
  stroke: var(--ink-secondary);
  transition: transform 0.2s ease;
  flex-shrink: 0;
}

.faq-item[open] .faq-icon {
  transform: rotate(180deg);
  stroke: var(--mark-accent);
}

.faq-content {
  padding: 0 24px 24px;
  font-size: 0.95rem;
  color: var(--ink-secondary);
  line-height: 1.65;
  border-top: 1px solid var(--border-hairline);
  padding-top: 16px;
}

.faq-content p {
  margin-bottom: 12px;
}

.faq-content p:last-child {
  margin-bottom: 0;
}

.faq-content code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: var(--bg-code);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--ink-primary);
}

/* Responsive Rules */
@media (max-width: 900px) {
  .pillars-grid {
    grid-template-columns: 1fr;
  }
  .loop-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .telemetry-strip {
    flex-direction: column;
  }
  .b2b-band,
  .b2b-banner {
    flex-direction: column;
    text-align: left;
    align-items: flex-start;
  }
}

@media (max-width: 640px) {
  .loop-grid {
    grid-template-columns: 1fr;
  }
  .policy-card {
    padding: 24px 20px;
  }
  .support-card {
    padding: 24px 20px;
  }
}