/* =============================================
   SpeechCue Marketing Website
   Premium Dark Theme — Refined
   v3: Hallmark clean-up (solid ink headings, no glow/gradient chrome,
   tokenised colours, named easing, inline feature icons)
   ============================================= */

/* Self-hosted Inter (variable, latin subset) — replaces Google Fonts */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url('/assets/fonts/inter-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* CSS Variables */
:root {
  /* Colors */
  --color-bg-primary: #0a0a0b;
  --color-bg-secondary: #0f0f11;
  --color-bg-card: rgba(255, 255, 255, 0.03);
  --color-bg-card-hover: rgba(255, 255, 255, 0.05);

  --color-text-primary: #fafafa;
  --color-text-secondary: rgba(255, 255, 255, 0.7);
  --color-text-tertiary: rgba(255, 255, 255, 0.5);

  --color-accent: #7c3aed;
  --color-accent-strong: #6d28d9;   /* hover/pressed: keeps white text >= 4.5:1 */
  --color-accent-soft: #a78bfa;     /* accent as text/icon on dark surfaces */
  --color-accent-tint: rgba(124, 58, 237, 0.12);

  /* On-accent (nav, footer, buttons sit on purple) */
  --color-on-accent: #ffffff;
  --color-on-accent-muted: rgba(255, 255, 255, 0.85);
  --color-on-accent-subtle: rgba(255, 255, 255, 0.15);
  --color-on-accent-subtle-hover: rgba(255, 255, 255, 0.25);

  --color-surface-inset: rgba(255, 255, 255, 0.02);
  --color-border: rgba(255, 255, 255, 0.1);
  --color-border-strong: rgba(255, 255, 255, 0.16);
  --shadow-screenshot: 0 24px 48px -16px rgba(0, 0, 0, 0.6);
  --shadow-logo: 0 2px 8px rgba(0, 0, 0, 0.15);

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Segoe UI', Roboto, sans-serif;
  --font-mono: ui-monospace, 'SF Mono', Menlo, Monaco, monospace;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;
  --font-size-5xl: 3.5rem;

  /* Spacing */
  --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;

  /* Layout */
  --container-max: 1152px;
  --container-narrow: 720px;
  --border-radius: 16px;
  --border-radius-sm: 8px;
  --border-radius-xl: 24px;

  /* Motion */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --dur-short: 150ms;
  --dur-base: 200ms;

  /* Layers */
  --z-nav: 100;
  --z-skip: 200;

  /* Nav height (fixed nav offset for page tops) */
  --nav-offset: 64px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  overflow-x: clip;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: clip;
}

h1, h2, h3 {
  overflow-wrap: anywhere;
  min-width: 0;
}

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

a {
  color: inherit;
  text-decoration: none;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.container-narrow {
  max-width: var(--container-narrow);
}

/* =============================================
   Navigation
   ============================================= */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  padding: var(--space-4) 0;
  background: var(--color-accent);
  border-bottom: none;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-weight: 600;
  font-size: var(--font-size-lg);
  color: var(--color-on-accent);
  transition: opacity var(--dur-short) var(--ease-out);
}

.nav-logo:hover {
  opacity: 0.9;
}

.nav-logo img {
  border-radius: var(--border-radius-sm);
  box-shadow: var(--shadow-logo);
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.nav-trial-badge {
  font-size: var(--font-size-xs);
  color: var(--color-on-accent-muted);
  font-weight: 500;
}

.nav .btn-nav {
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-sm);
  background: var(--color-on-accent-subtle);
  color: var(--color-on-accent);
  border: none;
  border-radius: var(--border-radius-sm);
}

.nav .btn-nav:hover {
  background: var(--color-on-accent-subtle-hover);
}

/* =============================================
   Buttons
   ============================================= */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  font-weight: 500;
  line-height: 1;
  border: none;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: background-color var(--dur-short) var(--ease-out), transform 100ms var(--ease-out);
  white-space: nowrap;
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-on-accent);
}

.btn-primary:hover {
  background: var(--color-accent-strong);
}

.btn-large {
  padding: var(--space-4) var(--space-6);
  font-size: var(--font-size-base);
  border-radius: var(--border-radius);
}

/* =============================================
   Section Styles
   ============================================= */

.section {
  padding: var(--space-16) 0 var(--space-20);
}

.section-title {
  font-size: var(--font-size-2xl);
  font-weight: 600;
  text-align: left;
  margin-bottom: var(--space-12);
  letter-spacing: -0.02em;
  color: var(--color-text-primary);
}

/* =============================================
   Hero Section
   ============================================= */

.hero {
  padding: calc(var(--space-20) + var(--nav-offset)) 0 var(--space-16);
  position: relative;
}

.hero .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.hero-content {
  max-width: 720px;
  margin-bottom: var(--space-12);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 100px;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-6);
}

.hero-badge svg {
  color: var(--color-accent-soft);
}

.hero-title {
  font-size: clamp(var(--font-size-3xl), 5vw, var(--font-size-5xl));
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-6);
  color: var(--color-text-primary);
}

.hero-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-8);
  max-width: 540px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  justify-content: center;
}

.hero-microcopy {
  margin-top: var(--space-4);
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
}

.hero-visual {
  width: 100%;
  max-width: 960px;
  position: relative;
}

.hero-screenshot {
  position: relative;
  border-radius: var(--border-radius-xl);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-screenshot);
}

.hero-screenshot img {
  width: 100%;
  height: auto;
  display: block;
}

/* =============================================
   Why SpeechCue Section
   ============================================= */

.why {
  background: var(--color-bg-secondary);
}

.why-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  max-width: 480px;
  margin: 0 auto;
}

.why-list li {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
}

.why-list svg {
  flex-shrink: 0;
  color: var(--color-accent-soft);
}

/* =============================================
   Unified Card Component
   ============================================= */

.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--space-6);
}

/* Icon sits inline with the title instead of in a tinted tile above it */
.card:has(> .card-icon) {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: var(--space-3);
  align-items: start;
  align-content: start;
}

.card:has(> .card-icon) > :not(.card-icon) {
  grid-column: 2;
}

.card-icon {
  grid-row: 1 / span 2;
  display: flex;
  padding-top: 2px;
  color: var(--color-accent-soft);
}

.card-icon svg {
  width: 20px;
  height: 20px;
}

.card-title {
  font-size: var(--font-size-base);
  font-weight: 600;
  margin-bottom: var(--space-2);
  color: var(--color-text-primary);
}

.card-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.5;
}

/* =============================================
   Features Grid
   ============================================= */

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
}

/* 7 cards: the lead and closing features span two tracks so rows fill (no orphan) */
@media (min-width: 1025px) {
  .features-grid > .card:first-child,
  .features-grid > .card:last-child {
    grid-column: span 2;
  }
}

/* =============================================
   Works With + Use Cases
   ============================================= */

.use-cases {
  background: var(--color-bg-secondary);
}

.works-with {
  text-align: left;
  margin-bottom: var(--space-8);
}

.works-with-label {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-3);
}

.works-with-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.badge {
  display: inline-block;
  padding: var(--space-2) var(--space-3);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 100px;
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
}

.use-cases-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-6);
}

.use-case-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  overflow: hidden;
}

.use-case-image {
  aspect-ratio: 16/10;
  background: var(--color-bg-primary);
  overflow: hidden;
}

.use-case-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.use-case-content {
  padding: var(--space-5);
}

.use-case-title {
  font-size: var(--font-size-base);
  font-weight: 600;
  margin-bottom: var(--space-2);
  color: var(--color-text-primary);
}

.use-case-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.5;
}

/* =============================================
   How It Works (Steps)
   ============================================= */

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-6);
}

.step-number {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
  background: var(--color-accent);
  border-radius: 50%;
  font-size: var(--font-size-sm);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--color-on-accent);
}

/* =============================================
   Pricing Section
   ============================================= */

.pricing {
  background: var(--color-bg-primary);
}

.pricing-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-xl);
  padding: var(--space-10);
  max-width: 400px;
  margin: 0 auto;
  text-align: center;
}

.pricing-price {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: var(--space-1);
  margin-bottom: var(--space-8);
}

.pricing-currency {
  font-size: var(--font-size-2xl);
  font-weight: 600;
  color: var(--color-text-primary);
}

.pricing-amount {
  font-size: var(--font-size-5xl);
  font-weight: 700;
  color: var(--color-text-primary);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.pricing-period {
  font-size: var(--font-size-base);
  color: var(--color-text-tertiary);
  margin-left: var(--space-2);
}

.pricing-features {
  list-style: none;
  margin: 0 0 var(--space-8);
  text-align: left;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.pricing-features li:last-child {
  border-bottom: none;
}

.pricing-features svg {
  flex-shrink: 0;
  color: var(--color-accent-soft);
}

.pricing-cta {
  width: 100%;
  justify-content: center;
}

.pricing-note {
  margin-top: var(--space-4);
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
}

/* =============================================
   FAQ Section
   ============================================= */

.faq {
  background: var(--color-bg-secondary);
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.faq-item {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--space-6);
}

.faq-question {
  font-size: var(--font-size-base);
  font-weight: 600;
  margin-bottom: var(--space-2);
  color: var(--color-text-primary);
}

.faq-answer {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* =============================================
   Trust Section (Built for Professionals)
   ============================================= */

.trust {
  background: var(--color-bg-primary);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
}

/* =============================================
   Final CTA Section
   ============================================= */

.cta-final {
  background: var(--color-bg-secondary);
  text-align: center;
  padding: var(--space-20) 0;
}

.cta-final .section-title,
.why .section-title,
.pricing .section-title {
  text-align: center;
}

.cta-title {
  font-size: var(--font-size-3xl);
  font-weight: 600;
  margin-bottom: var(--space-2);
  letter-spacing: -0.02em;
}

.cta-subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
  max-width: 520px;
  margin: 0 auto var(--space-6);
}

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

.footer {
  padding: var(--space-8) 0;
  border-top: none;
  background: var(--color-accent);
}

.footer-content {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 500;
  font-size: var(--font-size-sm);
  color: var(--color-on-accent);
}

.footer-brand img {
  border-radius: var(--border-radius-sm);
  box-shadow: var(--shadow-logo);
}

.footer-links {
  display: flex;
  gap: var(--space-6);
}

.footer-links a {
  font-size: var(--font-size-sm);
  color: var(--color-on-accent-muted);
  white-space: nowrap;
  transition: color var(--dur-short) var(--ease-out);
}

.footer-links a:hover {
  color: var(--color-on-accent);
}

.footer-meta {
  font-size: var(--font-size-sm);
  color: var(--color-on-accent-muted);
}

/* Publisher links (footer, CTA line, support page) */
.footer-meta a,
.cta-subtitle a,
.publisher-line a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--dur-short) var(--ease-out);
}

.footer-meta a:hover {
  color: var(--color-on-accent);
}

.cta-subtitle a:hover,
.publisher-line a:hover {
  color: var(--color-text-primary);
}

/* =============================================
   Responsive Design
   ============================================= */

@media (max-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .features-grid > .card:first-child {
    grid-column: 1 / -1;
  }
}

@media (max-width: 768px) {
  :root {
    --space-16: 3rem;
    --space-20: 4rem;
  }

  .hero {
    padding-top: calc(var(--space-16) + var(--nav-offset));
  }

  .hero-title {
    font-size: var(--font-size-3xl);
  }

  .hero-subtitle {
    font-size: var(--font-size-base);
  }

  .section-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-8);
  }

  .features-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-4);
  }

  .use-cases-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-4);
  }

  .steps-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-4);
  }

  .trust-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-4);
  }

  .pricing-card {
    padding: var(--space-6);
  }

  .pricing-amount {
    font-size: var(--font-size-4xl);
  }

  .cta-title {
    font-size: var(--font-size-2xl);
  }

  .footer-content {
    flex-direction: column;
    text-align: center;
    gap: var(--space-4);
  }

  .footer-links {
    justify-content: center;
    gap: var(--space-4);
  }

  /* Hero visual edge-to-edge on mobile */
  .hero-visual {
    margin-left: calc(-1 * var(--space-6));
    margin-right: calc(-1 * var(--space-6));
    width: calc(100% + var(--space-6) * 2);
  }

  .hero-screenshot {
    border-radius: 0;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-4);
  }

  .nav-container {
    padding: 0 var(--space-4);
  }

  .nav-trial-badge {
    display: none;
  }

  .hero-title {
    font-size: var(--font-size-2xl);
  }

  .hero-badge {
    font-size: var(--font-size-xs);
  }

  .card {
    padding: var(--space-5);
  }

  .btn-large {
    padding: var(--space-4) var(--space-5);
    font-size: var(--font-size-sm);
  }

  /* Ensure touch targets */
  .btn {
    min-height: 44px;
  }

  .hero-visual {
    margin-left: calc(-1 * var(--space-4));
    margin-right: calc(-1 * var(--space-4));
    width: calc(100% + var(--space-4) * 2);
  }
}

/* =============================================
   Safe Area Insets
   ============================================= */

@supports (padding: env(safe-area-inset-top)) {
  .nav {
    padding-top: max(var(--space-4), env(safe-area-inset-top));
  }

  .footer {
    padding-bottom: max(var(--space-8), env(safe-area-inset-bottom));
  }
}

/* =============================================
   Touch Device Optimizations
   ============================================= */

@media (hover: none) and (pointer: coarse) {
  .btn-primary:not(.btn-nav):active {
    background: var(--color-accent-strong);
  }
}

/* =============================================
   Accessibility
   ============================================= */

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

  html {
    scroll-behavior: auto;
  }
}

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

/* On purple surfaces the accent ring would vanish — use white */
.nav :focus-visible,
.footer :focus-visible,
.btn-primary:focus-visible,
.skip-link:focus-visible {
  outline-color: var(--color-on-accent);
}

.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-accent);
  color: var(--color-on-accent);
  padding: var(--space-2) var(--space-4);
  z-index: var(--z-skip);
  font-size: var(--font-size-sm);
  border-radius: 0 0 var(--border-radius-sm) 0;
}

.skip-link:focus {
  top: 0;
}