/* ===================================================================
   BASE & RESET
   =================================================================== */

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px; /* offset for sticky header */
}

html,
body {
  margin: 0;
  font-family: 'IBM Plex Sans', system-ui, -apple-system, sans-serif;
  background: transparent; /* allow background to show through */
  color: var(--text);
  line-height: var(--line-height-normal);
}

/* Fixed background layer with solid dark color */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background: var(--bg);
}


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

.wrap {
  max-width: 980px;
  margin: 0 auto;
  padding: var(--space-3);
}

main.wrap {
  padding-bottom: var(--space-6);
}

.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

#services {
  margin-bottom: var(--space-4);
}

/* Shared section wrapper/container pattern */
.section-wrapper {
  width: 100%;
  background: var(--overlay-surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin: var(--space-5) 0;
}

.section-container {
  max-width: var(--content-width-wide);
  margin: 0 auto;
  padding: clamp(var(--space-5), 8vw, var(--section-padding-max)) var(--space-3);
}


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

h1 {
  font-size: clamp(1.8rem, 2.6vw, 2.6rem);
  line-height: var(--line-height-tight);
  margin: 0 0 var(--space-2) 0;
}

h2 {
  font-size: var(--font-size-xl);
  margin: 0 0 var(--space-1) 0;
}

.title {
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-lg);
  letter-spacing: var(--letter-spacing-normal);
}

.tag {
  color: var(--muted);
  margin: 0 0 var(--space-3) 0;
  font-size: var(--font-size-lg);
}

.kicker {
  display: inline-block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  letter-spacing: var(--letter-spacing-tight);
  text-transform: uppercase;
  color: var(--muted);
}

/* Centered section heading utility */
.section-heading {
  text-align: center;
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-4);
}


/* ===================================================================
   SHARED UTILITIES
   =================================================================== */

/* Logo theme switching - shared between brand and footer */
.logo-light {
  display: inline;
}

.logo-dark {
  display: none;
}

@media (prefers-color-scheme: dark) {
  .logo-light {
    display: none;
  }

  .logo-dark {
    display: inline;
  }
}

/* Manual theme overrides for logos */
html.theme-dark .logo-light {
  display: none;
}

html.theme-dark .logo-dark {
  display: inline;
}

html.theme-light .logo-light {
  display: inline;
}

html.theme-light .logo-dark {
  display: none;
}

/* Base card styling */
.card-base {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--overlay-surface);
  box-shadow: var(--shadow);
  backdrop-filter: var(--backdrop-blur-sm);
}


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

/* Brand
   ------------------------------------------------------------------- */

.brand {
  display: inline-block;
  text-decoration: none;
  color: inherit;
}

.brand img {
  height: 39px;
  width: auto;
  object-fit: contain;
}


/* Header
   ------------------------------------------------------------------- */

header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  backdrop-filter: var(--backdrop-blur-lg);
  background: var(--overlay-header);
  border-bottom: 1px solid var(--border);
}

header .wrap {
  position: relative;
  max-width: var(--content-width-wide);
}


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

.nav {
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  gap: var(--space-2);
}

.brand {
  justify-self: start;
}

.text-nav {
  justify-self: center;
}

.nav-cta {
  justify-self: end;
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  text-decoration: none;
  color: var(--text);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  transition: color var(--transition-fast);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius);
  white-space: nowrap;
}

.nav-cta:hover {
  color: var(--brand);
  background: var(--overlay-surface);
}

.theme-toggle {
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-1);
  color: var(--text);
  transition: color var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  justify-self: end;
}

.theme-toggle:hover {
  color: var(--brand);
}

.theme-toggle .icon-sun,
.theme-toggle .icon-moon {
  width: var(--icon-size-md);
  height: var(--icon-size-md);
}

/* Show sun icon in dark mode, moon icon in light mode */
.theme-toggle .icon-sun {
  display: none;
}

.theme-toggle .icon-moon {
  display: block;
}

@media (prefers-color-scheme: dark) {
  .theme-toggle .icon-sun {
    display: block;
  }

  .theme-toggle .icon-moon {
    display: none;
  }
}

/* Manual theme overrides */
html.theme-dark .theme-toggle .icon-sun {
  display: block;
}

html.theme-dark .theme-toggle .icon-moon {
  display: none;
}

html.theme-light .theme-toggle .icon-sun {
  display: none;
}

html.theme-light .theme-toggle .icon-moon {
  display: block;
}

.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-1);
  color: var(--text);
  transition: color var(--transition-fast);
}

.hamburger:hover {
  color: var(--brand);
}

.hamburger .icon {
  width: var(--icon-size-md);
  height: var(--icon-size-md);
}

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

.text-nav a {
  text-decoration: none;
  color: var(--text);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  transition: color var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
}

.text-nav a:hover {
  color: var(--brand);
}

.text-nav .mobile-only {
  display: none;
}


/* Buttons
   ------------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  border: 1px solid var(--brand);
  background: var(--brand);
  color: white;
  text-decoration: none;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-pill);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-base);
  box-shadow: var(--shadow);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-hover);
}

.btn-secondary,
.btn.btn-secondary {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}

.btn-secondary:hover,
.btn.btn-secondary:hover {
  background: var(--overlay-surface);
  border-color: var(--brand);
}

.btn-nav {
  padding: var(--space-1) var(--space-2);
  font-size: var(--font-size-sm);
}

.btn.btn-full-width {
  width: 100%;
  justify-content: center;
}

/* Dark mode button text - make primary button text dark in dark mode */
@media (prefers-color-scheme: dark) {
  .btn:not(.btn-secondary) {
    color: var(--bg);
  }
}

html.theme-dark .btn:not(.btn-secondary) {
  color: var(--bg);
}

html.theme-light .btn:not(.btn-secondary) {
  color: white;
}


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

.hero-wrapper {
  width: 100%;
  background: var(--overlay-surface);
  border-bottom: 1px solid var(--border);
}

.hero-container {
  max-width: var(--content-width-wide);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
  align-items: center;
  padding: clamp(var(--space-5), 8vw, var(--section-padding-max)) var(--space-3);
}

.hero-content {
  padding-right: var(--space-4);
}

.hero-eyebrow {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--brand);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-tight);
  margin: 0 0 var(--space-2) 0;
  text-align: left;
}

.hero-content h1 {
  font-size: clamp(var(--font-size-2xl), 4.5vw, var(--font-size-3xl));
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  margin: 0 0 var(--space-3) 0;
  text-align: left;
}

.hero-content .tag {
  font-size: clamp(var(--font-size-base), 1.8vw, var(--font-size-lg));
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-normal);
  margin: 0 0 var(--space-4) 0;
  text-align: left;
}

.hero-ctas {
  display: flex;
  gap: var(--space-2);
  justify-content: flex-start;
  align-items: center;
  flex-wrap: wrap;
}

.hero-image {
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-image img {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  box-shadow: var(--shadow-hover);
}

/* Carousel
   ------------------------------------------------------------------- */

.carousel {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
}

.carousel-slides {
  position: relative;
  width: 100%;
  overflow: hidden;
}

.carousel-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  opacity: 0;
  transition: opacity 0.5s ease-in-out;
  pointer-events: none;
}

.carousel-slide.active {
  position: relative;
  opacity: 1;
  pointer-events: auto;
}

.carousel-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: transparent;
  color: rgba(0, 0, 0, 0.6);
  border: none;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: color var(--transition-fast);
  z-index: 2;
}

.carousel-arrow:hover {
  color: rgba(0, 0, 0, 0.9);
}

.carousel-arrow svg {
  width: 24px;
  height: 48px;
}

.carousel-arrow-left {
  left: calc(-40px - var(--space-1));
}

.carousel-arrow-right {
  right: calc(-40px - var(--space-1));
}

.carousel-dots {
  display: flex;
  gap: var(--space-1);
}

.carousel-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 2px solid rgba(0, 0, 0, 0.6);
  background: rgba(0, 0, 0, 0.3);
  cursor: pointer;
  transition: background var(--transition-fast);
  padding: 0;
}

.carousel-dot:hover {
  background: rgba(0, 0, 0, 0.6);
}

.carousel-dot.active {
  background: rgba(0, 0, 0, 0.8);
}

/* Dark mode carousel colors */
@media (prefers-color-scheme: dark) {
  .carousel-dot {
    border-color: rgba(255, 255, 255, 0.6);
    background: rgba(255, 255, 255, 0.3);
  }

  .carousel-dot:hover {
    background: rgba(255, 255, 255, 0.6);
  }

  .carousel-dot.active {
    background: white;
  }

  .carousel-arrow {
    color: rgba(255, 255, 255, 0.6);
  }

  .carousel-arrow:hover {
    color: rgba(255, 255, 255, 0.9);
  }
}

/* Manual theme overrides for carousel */
html.theme-dark .carousel-dot {
  border-color: rgba(255, 255, 255, 0.6);
  background: rgba(255, 255, 255, 0.3);
}

html.theme-dark .carousel-dot:hover {
  background: rgba(255, 255, 255, 0.6);
}

html.theme-dark .carousel-dot.active {
  background: white;
}

html.theme-dark .carousel-arrow {
  color: rgba(255, 255, 255, 0.6);
}

html.theme-dark .carousel-arrow:hover {
  color: rgba(255, 255, 255, 0.9);
}

html.theme-light .carousel-dot {
  border-color: rgba(0, 0, 0, 0.6);
  background: rgba(0, 0, 0, 0.3);
}

html.theme-light .carousel-dot:hover {
  background: rgba(0, 0, 0, 0.6);
}

html.theme-light .carousel-dot.active {
  background: rgba(0, 0, 0, 0.8);
}

html.theme-light .carousel-arrow {
  color: rgba(0, 0, 0, 0.6);
}

html.theme-light .carousel-arrow:hover {
  color: rgba(0, 0, 0, 0.9);
}


/* Quick Start Section
   ------------------------------------------------------------------- */

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

.quickstart-content h2 {
  font-size: var(--font-size-xl);
  margin: 0;
  text-align: center;
}

.quickstart-list {
  list-style: none;
  counter-reset: quickstart-counter;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-3);
}

.quickstart-list li {
  counter-increment: quickstart-counter;
  position: relative;
  padding-top: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  text-align: center;
}

.quickstart-list li::before {
  content: counter(quickstart-counter);
  position: absolute;
  left: 50%;
  top: 0;
  transform: translateX(-50%);
  width: var(--icon-size-numbered);
  height: var(--icon-size-numbered);
  border-radius: 50%;
  background: var(--numbered-circle-bg);
  color: var(--numbered-circle-text);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-base);
}

.quickstart-list li strong {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--text);
  margin: 0;
}

.quickstart-list li p {
  margin: 0;
  color: var(--muted);
  line-height: var(--line-height-normal);
  font-size: var(--font-size-sm);
}

.quickstart-content .btn {
  align-self: center;
  margin-top: var(--space-2);
}


/* Cards
   ------------------------------------------------------------------- */

.card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--overlay-surface);
  padding: var(--space-3);
  box-shadow: var(--shadow);
  backdrop-filter: var(--backdrop-blur-sm);
}


/* How It Works Section
   ------------------------------------------------------------------- */

.how-it-works {
  margin-top: var(--space-5);
}

.how-it-works h2 {
  text-align: center;
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-2);
}

.section-intro {
  text-align: center;
  max-width: var(--content-width-narrow);
  margin: 0 auto var(--space-3) auto;
  color: var(--muted);
  font-size: var(--font-size-lg);
}

.how-it-works-intro {
  max-width: var(--content-width-narrow);
  margin: 0 auto var(--space-4) auto;
  text-align: center;
}

.how-it-works-intro h3 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin: 0 0 var(--space-1) 0;
}

.how-it-works-intro p {
  margin: 0;
  color: var(--muted);
  line-height: var(--line-height-normal);
}

/* How It Works Diagram (Asset 2) */
.how-it-works-diagram {
  display: block;
  margin: var(--space-5) auto;
  max-width: 960px;
  width: 100%;
}

.how-it-works-diagram img {
  width: 100%;
  height: auto;
  display: block;
}

/* Mobile: Vertical layout */
@media (max-width: 767px) {
  .how-it-works-diagram {
    max-width: 360px;
  }
}

.how-it-works-video {
  max-width: var(--content-width-narrow);
  margin: var(--space-5) auto 0 auto;
  text-align: center;
}

.how-it-works-video h3 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin: 0 0 var(--space-3) 0;
  color: var(--text);
}

.how-it-works-video video {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  box-shadow: var(--shadow-hover);
  background: var(--bg);
}


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

.features-section {
  margin-top: var(--space-5);
}

.features-section h2 {
  text-align: center;
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-4);
}

.feature-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

.feature-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--overlay-surface);
  padding: var(--space-3);
  box-shadow: var(--shadow);
  backdrop-filter: var(--backdrop-blur-sm);
  overflow: hidden;
}

.feature-card img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-2);
}

.feature-card h3,
.feature-card h2 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin: 0 0 var(--space-1) 0;
}

.feature-card p {
  margin: 0;
  color: var(--muted);
  line-height: var(--line-height-normal);
}


/* Review Modes Section
   ------------------------------------------------------------------- */

.review-modes-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
  align-items: center;
}

.review-modes-text h2 {
  font-size: var(--font-size-xl);
  margin: 0 0 var(--space-2) 0;
  text-align: left;
}

.review-modes-text .section-intro {
  text-align: left;
  margin: 0 0 var(--space-4) 0;
}

.review-modes-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin: 0 0 var(--space-3) 0;
}

.review-mode-description h3 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin: 0 0 var(--space-1) 0;
  color: var(--text);
}

.review-mode-description p {
  margin: 0;
  color: var(--muted);
  line-height: var(--line-height-normal);
}

.review-modes-footer {
  text-align: left;
  margin: var(--space-2) 0 0 0;
  color: var(--muted);
  font-size: var(--font-size-base);
  font-style: italic;
}

/* Review Modes Diagram */
.review-modes-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.review-modes-diagram {
  width: 100%;
  max-width: 580px;
  height: auto;
  display: block;
}

/* Diagram theme switching */
.diagram-light {
  display: block;
}

.diagram-dark {
  display: none;
}

@media (prefers-color-scheme: dark) {
  .diagram-light {
    display: none;
  }

  .diagram-dark {
    display: block;
  }
}

/* Manual theme overrides for diagrams */
html.theme-dark .diagram-light {
  display: none;
}

html.theme-dark .diagram-dark {
  display: block;
}

html.theme-light .diagram-light {
  display: block;
}

html.theme-light .diagram-dark {
  display: none;
}

/* Mobile: Stack text and diagram vertically */
@media (max-width: 900px) {
  .review-modes-layout {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .review-modes-text h2 {
    text-align: center;
  }

  .review-modes-text .section-intro {
    text-align: center;
  }

  .review-modes-footer {
    text-align: center;
  }

  .review-modes-visual {
    order: 2;
  }

  .review-modes-diagram {
    max-width: 100%;
  }
}


/* Email Signup & FAQ Sections
   ------------------------------------------------------------------- */

.email-signup {
  margin-top: var(--space-5);
}

.email-signup .card {
  text-align: center;
  padding: var(--space-4);
  max-width: 600px;
  margin: 0 auto;
}

.email-signup h2 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-3);
}

.faq-section {
  margin-top: var(--space-5);
}

.faq-section h2 {
  text-align: center;
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-4);
}

.faq-list {
  max-width: var(--content-width-narrow);
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--overlay-surface);
  backdrop-filter: var(--backdrop-blur-sm);
  margin-bottom: var(--space-2);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: var(--space-3);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--text);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-2);
  transition: background-color var(--transition-fast);
  font-family: inherit;
}

.faq-question:hover {
  background: var(--overlay-header);
}

.faq-question::after {
  content: '+';
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--brand);
  transition: transform var(--transition-fast);
  flex-shrink: 0;
}

.faq-item.active .faq-question::after {
  content: '−';
  transform: rotate(0deg);
}

.faq-answer {
  display: grid;
  grid-template-rows: 0fr;
  overflow: hidden;
  transition: grid-template-rows 0.3s ease-in-out, padding 0.3s ease-in-out;
}

.faq-item.active .faq-answer {
  grid-template-rows: 1fr;
}

.faq-answer > div {
  min-height: 0;
}

.faq-answer p {
  padding: 0 var(--space-3) var(--space-3) var(--space-3);
  margin: 0;
  color: var(--muted);
  line-height: var(--line-height-normal);
}


/* Forms
   ------------------------------------------------------------------- */

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

.form-group {
  margin-bottom: var(--space-2);
}

.form-group label {
  display: block;
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-base);
  margin-bottom: var(--space-1);
  color: var(--text);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--space-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--text);
  font-family: inherit;
  font-size: var(--font-size-base);
  transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--brand);
}

.form-group textarea {
  resize: vertical;
  min-height: var(--space-6);
}

.form-status {
  margin-top: var(--space-2);
  padding: var(--space-2);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-base);
  display: none;
}

.form-status.success {
  background: var(--success-bg);
  color: var(--success);
  border: 1px solid var(--success-border);
}

.form-status.error {
  background: var(--error-bg);
  color: var(--error);
  border: 1px solid var(--error-border);
}

.form-status.show {
  display: block;
}


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

footer {
  margin-top: var(--space-6);
  color: var(--text);
  font-size: var(--font-size-sm);
  backdrop-filter: var(--backdrop-blur-lg);
  background: var(--overlay-footer);
  border-top: 1px solid var(--border);
}

.footer-content {
  max-width: var(--content-width-wide);
  margin: 0 auto;
  padding: var(--space-5) var(--space-3) var(--space-3) var(--space-3);
  display: flex;
  gap: var(--space-5);
  justify-content: space-between;
  align-items: flex-start;
}

.footer-left {
  flex: 1;
  max-width: 500px;
}

.footer-brand {
  display: inline-block;
  margin-bottom: var(--space-2);
}

.footer-brand img {
  height: 39px;
  width: auto;
  object-fit: contain;
}

.footer-tagline {
  margin: 0 0 var(--space-2) 0;
  line-height: var(--line-height-normal);
  color: var(--muted);
}

.footer-contact {
  margin: 0;
  color: var(--muted);
}

.footer-contact a {
  color: var(--text);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-contact a:hover {
  color: var(--brand);
}

.footer-right {
  display: flex;
  gap: var(--space-5);
}

.footer-links-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer-links-group h3 {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-tight);
  margin: 0 0 var(--space-1) 0;
  color: var(--muted);
}

.footer-links-group a {
  color: var(--text);
  text-decoration: none;
  transition: color var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
}

.footer-links-group a:hover {
  color: var(--brand);
}

.icon-external {
  width: 14px;
  height: 14px;
  opacity: 0.7;
}

.footer-bottom {
  max-width: var(--content-width-wide);
  margin: var(--space-4) auto 0 auto;
  padding-top: var(--space-3);
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--muted);
}

.footer-bottom p {
  margin: 0;
}


/* ===================================================================
   UTILITIES
   =================================================================== */

/* Focus styles */
.text-nav a:focus-visible,
.btn:focus-visible,
.theme-toggle:focus-visible,
.hamburger:focus-visible {
  outline: var(--outline-width) solid var(--accent);
  outline-offset: var(--outline-offset);
}

.muted {
  color: var(--muted);
}

ul.clean {
  margin: var(--space-2) 0 0 0;
  padding: 0;
  list-style: none;
}

ul.clean li {
  display: grid;
  grid-template-columns: var(--icon-size-md) 1fr;
  gap: var(--space-2);
  align-items: start;
  padding: var(--space-1) 0;
}

.icon {
  width: var(--icon-size-sm);
  height: var(--icon-size-sm);
  margin-top: 3px; /* optical alignment with text baseline */
}


/* ===================================================================
   MEDIA QUERIES
   =================================================================== */

@media (min-width: 640px) {
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .quickstart-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1000px) {
  .grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .quickstart-list {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Tablet and below - Stack hero vertically and show hamburger menu */
@media (max-width: 900px) {
  .nav {
    grid-template-columns: auto 1fr auto auto;
  }

  .nav-cta {
    display: none;
  }

  .hamburger {
    display: block;
    justify-self: end;
  }

  .text-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--overlay-menu);
    backdrop-filter: var(--backdrop-blur-lg);
    border-bottom: 1px solid var(--border);
    padding: var(--space-2) 0;
    display: none;
    box-shadow: var(--shadow);
    z-index: calc(var(--z-sticky) - 1);
    justify-self: stretch;
    grid-column: 1 / -1;
  }

  .text-nav.active {
    display: flex;
  }

  .text-nav a {
    padding: var(--space-2) var(--space-3);
    font-size: var(--font-size-base);
    width: 100%;
    border-bottom: 1px solid var(--border);
  }

  .text-nav a:last-child {
    border-bottom: none;
  }

  .text-nav a:hover {
    background: var(--overlay-header);
  }

  .text-nav .mobile-only {
    display: inline-flex;
  }

  .hero-container {
    grid-template-columns: 1fr;
    gap: var(--space-4);
    padding: var(--space-5) var(--space-3);
  }

  .hero-content {
    padding-right: 0;
    text-align: center;
  }

  .hero-eyebrow {
    text-align: center;
  }

  .hero-content h1 {
    text-align: center;
  }

  .hero-content .tag {
    text-align: center;
  }

  .hero-ctas {
    justify-content: center;
  }

  .hero-image {
    order: -1; /* Move image above text on mobile */
  }

  .quickstart-list {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .quickstart-list li {
    padding-top: 0;
    padding-left: var(--space-5);
    text-align: left;
  }

  .quickstart-list li::before {
    left: 0;
    transform: none;
  }
}

@media (max-width: 640px) {
  .wrap {
    padding: var(--space-2);
  }

  /* Hero mobile adjustments */
  .hero-container {
    padding: var(--space-4) var(--space-2);
  }

  /* Carousel mobile adjustments - hide arrows on mobile */
  .carousel-arrow {
    display: none;
  }

  /* Footer mobile layout */
  .footer-content {
    flex-direction: column;
    gap: var(--space-4);
  }

  .footer-left {
    max-width: 100%;
  }

  .footer-right {
    gap: var(--space-4);
  }
}