/* style.css — Frames Studio Landing Page v4 — Desktop Paradigm Overhaul */

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

.container {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

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

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

.container--full {
  max-width: 1400px;
}

/* ============================================
   SECTION LABEL (small caps category)
   ============================================ */

.section-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-6);
  max-width: none;
}

/* ============================================
   SECTION HEADING
   ============================================ */

.section-heading {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  font-style: italic;
  color: var(--color-text);
  line-height: 1.15;
  margin-bottom: var(--space-8);
  max-width: 700px;
  text-wrap: balance;
}

.section-heading--center {
  text-align: center;
  margin-inline: auto;
  max-width: 800px;
}

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: var(--space-4) 0;
  background: rgba(12,12,12,0.8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
  transition: background 0.3s ease;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-text);
}

.logo svg {
  width: 28px;
  height: 28px;
}

.logo-text {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.02em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  list-style: none;
}

.nav-links a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-interactive);
}

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

.nav-cta {
  font-size: var(--text-sm) !important;
  color: var(--color-accent) !important;
  font-weight: 500;
}

/* Mobile nav */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 1.5px;
  background: var(--color-text);
  transition: transform 0.3s ease, opacity 0.3s ease;
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 280px;
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-20) var(--space-8);
    gap: var(--space-6);
    background: #111111;
    border-left: 1px solid var(--color-border);
    transform: translateX(100%);
    transition: transform 0.3s var(--ease-out);
    z-index: 200;
  }
  .nav-links.open { transform: translateX(0); }
  .nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 150;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
  }
  .nav-overlay.open {
    opacity: 1;
    pointer-events: auto;
  }
}

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

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  background: var(--color-accent);
  color: #0C0C0C;
  font-weight: 600;
  font-size: var(--text-sm);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: background var(--transition-interactive), transform var(--transition-interactive);
}

.btn-primary:hover {
  background: #3CC870;
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  background: transparent;
  color: var(--color-text);
  font-weight: 500;
  font-size: var(--text-sm);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: border-color var(--transition-interactive), transform var(--transition-interactive);
}

.btn-secondary:hover {
  border-color: rgba(255,255,255,0.25);
  transform: translateY(-1px);
}

.btn-secondary:active {
  transform: translateY(0);
}

/* ============================================
   SECTION 1: HERO
   ============================================ */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  text-align: center;
  padding: clamp(7rem, 15vh, 10rem) var(--space-6) 0;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.35;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(12,12,12,0.5) 0%,
    rgba(12,12,12,0.2) 30%,
    rgba(12,12,12,0.4) 60%,
    rgba(12,12,12,0.95) 100%
  );
}

.hero-content {
  max-width: 900px;
  position: relative;
  z-index: 1;
  margin-bottom: var(--space-12);
}

.hero h1 {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 400;
  line-height: 1.08;
  color: var(--color-text);
  margin-bottom: var(--space-8);
  font-style: italic;
}

.hero-sub {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  line-height: 1.6;
  max-width: 680px;
  margin-inline: auto;
  margin-bottom: var(--space-10);
}

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

/* Hero screenshot — partially visible below fold */
.hero-screenshot {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 1200px;
  padding: 0 var(--space-4);
}

.browser-mockup--hero {
  max-width: 100%;
}

/* ============================================
   BROWSER MOCKUP (shared)
   ============================================ */

.browser-mockup {
  background: #1a1a1a;
  border-radius: 12px;
  overflow: hidden;
  box-shadow:
    0 0 0 1px rgba(255,255,255,0.06),
    0 25px 60px -12px rgba(0,0,0,0.5),
    0 12px 30px -8px rgba(0,0,0,0.4);
}

.browser-chrome {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: 12px 16px;
  background: #1e1e1e;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.browser-dots {
  display: flex;
  gap: 7px;
  flex-shrink: 0;
}

.browser-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.browser-dot--red { background: #FF5F57; }
.browser-dot--yellow { background: #FEBC2E; }
.browser-dot--green { background: #28C840; }

.browser-url {
  flex: 1;
  background: rgba(255,255,255,0.06);
  border-radius: 6px;
  padding: 6px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-text-faint);
  text-align: center;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.browser-url--highlight {
  color: var(--color-text);
  background: rgba(74,222,128,0.08);
  border: 1px solid rgba(74,222,128,0.2);
}

.browser-mockup img {
  display: block;
  width: 100%;
  height: auto;
}

/* ============================================
   WINDOW MOCKUP (shared)
   ============================================ */

.window-mockup {
  background: #1a1a1a;
  border-radius: 10px;
  overflow: hidden;
  box-shadow:
    0 0 0 1px rgba(255,255,255,0.06),
    0 20px 50px -12px rgba(0,0,0,0.5);
}

.window-chrome {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: #1e1e1e;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.window-dots {
  display: flex;
  gap: 6px;
}

.window-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.window-dot--red { background: #FF5F57; }
.window-dot--yellow { background: #FEBC2E; }
.window-dot--green { background: #28C840; }

.window-title {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-text-faint);
  margin-left: var(--space-2);
}

.window-mockup img {
  display: block;
  width: 100%;
  height: auto;
}

/* ============================================
   SECTION 2: PARADIGM
   ============================================ */

.paradigm {
  padding: clamp(var(--space-20), 10vw, var(--space-32)) 0;
  border-top: 1px solid var(--color-border);
}

.paradigm .section-label {
  text-align: center;
}

.paradigm-columns {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  margin-top: clamp(var(--space-10), 5vw, var(--space-16));
  align-items: start;
}

@media (min-width: 900px) {
  .paradigm-columns {
    grid-template-columns: 1fr auto 1fr;
    gap: var(--space-10);
  }
}

.paradigm-col {
  padding: var(--space-8);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.paradigm-col-visual {
  margin-bottom: var(--space-6);
  border-radius: var(--radius-md);
  overflow: hidden;
}

/* Stylized webpage illustration */
.paradigm-webpage {
  background: #1a1a1a;
  padding: var(--space-6);
  border-radius: var(--radius-md);
  min-height: 160px;
}

.paradigm-webpage-bar {
  width: 60%;
  height: 8px;
  background: rgba(255,255,255,0.08);
  border-radius: 4px;
  margin-bottom: var(--space-5);
}

.paradigm-webpage-line {
  width: 100%;
  height: 5px;
  background: rgba(255,255,255,0.04);
  border-radius: 3px;
  margin-bottom: var(--space-3);
}

.paradigm-webpage-line--wide {
  width: 85%;
}

.paradigm-webpage-line--medium {
  width: 70%;
}

/* Desktop preview in paradigm */
.paradigm-desktop-img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  display: block;
}

.paradigm-col-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-style: italic;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}

.paradigm-col-text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-3);
}

.paradigm-col-accent {
  font-size: var(--text-sm);
  color: var(--color-text);
  line-height: 1.7;
  margin-top: var(--space-4);
  font-style: italic;
}

.paradigm-col--web .paradigm-col-accent {
  color: var(--color-text-muted);
}

.paradigm-col--desktop .paradigm-col-accent {
  color: var(--color-accent);
}

/* Divider */
.paradigm-divider {
  display: none;
  align-items: center;
  justify-content: center;
  padding-top: var(--space-20);
}

@media (min-width: 900px) {
  .paradigm-divider {
    display: flex;
  }
}

.paradigm-divider-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* Callout quote */
.paradigm-callout {
  margin-top: clamp(var(--space-12), 5vw, var(--space-20));
  text-align: center;
  max-width: 800px;
  margin-inline: auto;
  padding: var(--space-10) var(--space-8);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.paradigm-callout p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.8;
  max-width: none;
}

.paradigm-callout em {
  color: var(--color-text);
  font-style: italic;
}

/* ============================================
   SECTION 3: GUIDED TOUR — EXPERIENCE
   ============================================ */

.experience {
  padding-top: clamp(var(--space-20), 10vw, var(--space-32));
  padding-bottom: 0;
  border-top: 1px solid var(--color-border);
}

.experience-header {
  text-align: center;
  margin-bottom: clamp(var(--space-10), 5vw, var(--space-16));
}

.experience-header .section-label {
  text-align: center;
}

.experience-subtext {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-top: var(--space-2);
  max-width: 500px;
  margin-inline: auto;
  font-style: italic;
}

/* Desktop tour layout */
.tour {
  display: block;
}

.tour-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
}

.tour-mobile {
  display: none;
}

@media (max-width: 767px) {
  .tour-inner {
    display: none;
  }
  .tour-mobile {
    display: block;
  }
}

/* Tour steps (left column) */
.tour-steps {
  padding-top: var(--space-8);
  padding-bottom: 40vh;
}

.tour-step {
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--space-8) 0;
  opacity: 0.2;
  transition: opacity 0.4s ease;
}

.tour-step--active {
  opacity: 1;
}

.tour-step-number {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-accent);
  letter-spacing: 0.15em;
  margin-bottom: var(--space-4);
}

.tour-step-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-style: italic;
  font-weight: 400;
  color: var(--color-text);
  margin-bottom: var(--space-4);
  line-height: 1.2;
}

.tour-step-text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.75;
  max-width: 440px;
}

/* Tour visual (right column — sticky) */
.tour-visual {
  position: relative;
}

.tour-visual-sticky {
  position: sticky;
  top: 15vh;
  height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.tour-image {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 400ms ease;
  pointer-events: none;
}

.tour-image--active {
  opacity: 1;
  pointer-events: auto;
}

.tour-image .browser-mockup {
  width: 100%;
  max-width: 640px;
}

/* Tour URL body (step 0) */
.tour-url-body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 320px;
  background: #0e0e0e;
  position: relative;
}

.tour-url-body--mobile {
  min-height: 180px;
}

.tour-url-cursor {
  width: 2px;
  height: 32px;
  background: var(--color-accent);
  animation: cursorBlink 1.2s ease-in-out infinite;
}

@keyframes cursorBlink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* Mobile tour (stacked) */
.tour-mobile-step {
  margin-bottom: var(--space-16);
}

.tour-mobile-visual {
  margin-bottom: var(--space-6);
}

.tour-mobile-visual .browser-mockup {
  max-width: 100%;
}

.tour-mobile-text {
  padding: 0 var(--space-2);
}

.tour-mobile-number {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-accent);
  letter-spacing: 0.15em;
  display: block;
  margin-bottom: var(--space-3);
}

.tour-mobile-text h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-style: italic;
  font-weight: 400;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.tour-mobile-text p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ============================================
   SECTION 4: FAMILIAR BY DESIGN
   ============================================ */

.familiar {
  padding: clamp(var(--space-20), 10vw, var(--space-32)) 0;
  border-top: 1px solid var(--color-border);
}

.familiar .section-label {
  text-align: center;
}

.familiar-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  margin-top: clamp(var(--space-10), 5vw, var(--space-16));
}

@media (min-width: 768px) {
  .familiar-cards {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
  }
}

.familiar-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.familiar-card-img {
  overflow: hidden;
  aspect-ratio: 16/10;
}

.familiar-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.familiar-card-body {
  padding: var(--space-6) var(--space-6) var(--space-8);
}

.familiar-card-body h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-style: italic;
  font-weight: 400;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.familiar-card-body p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ============================================
   SECTION 5: FRICTION TAX
   ============================================ */

.friction {
  padding: clamp(var(--space-20), 10vw, var(--space-32)) 0;
  border-top: 1px solid var(--color-border);
}

.friction-intro {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.75;
  max-width: 640px;
  margin-bottom: clamp(var(--space-10), 5vw, var(--space-16));
}

.friction-columns {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  margin-bottom: clamp(var(--space-12), 6vw, var(--space-20));
}

@media (min-width: 768px) {
  .friction-columns {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
  }
}

.friction-col {
  padding: var(--space-8);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.friction-col-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text);
  margin-bottom: var(--space-4);
  font-weight: 500;
}

.friction-col-items {
  list-style: none;
  padding: 0;
}

.friction-col-items li {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--color-border);
}

.friction-col-items li:last-child {
  border-bottom: none;
}

/* Big stat callout */
.stat-callout {
  text-align: center;
  padding: var(--space-16) var(--space-8);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.stat-callout-number {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-style: italic;
  color: var(--color-text);
  line-height: 1;
  margin-bottom: var(--space-4);
}

.stat-callout-text {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 500px;
  margin-inline: auto;
  text-wrap: balance;
}

/* ============================================
   SECTION 6: FEATURE DEEP-DIVES
   ============================================ */

.feature-section {
  padding: clamp(var(--space-16), 8vw, var(--space-24)) 0;
  border-top: 1px solid var(--color-border);
  overflow: hidden;
}

.feature-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  align-items: center;
}

@media (min-width: 900px) {
  .feature-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
  }

  .feature-grid--reverse .feature-visual {
    order: 2;
  }

  .feature-grid--reverse .feature-content {
    order: 1;
  }
}

.feature-content {
  max-width: 560px;
}

@media (min-width: 900px) {
  .feature-grid--reverse .feature-content {
    margin-left: auto;
  }
}

.feature-content .section-label {
  margin-bottom: var(--space-4);
}

.feature-heading {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  font-style: italic;
  color: var(--color-text);
  line-height: 1.15;
  margin-bottom: var(--space-6);
}

.feature-body {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: var(--space-8);
}

.feature-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.feature-highlight {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-muted);
  white-space: nowrap;
}

.feature-highlight::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  flex-shrink: 0;
}

.feature-visual {
  position: relative;
}

/* ============================================
   SECTION 7: SIDE-BY-SIDE COMPARISON
   ============================================ */

.comparison {
  padding: clamp(var(--space-20), 10vw, var(--space-32)) 0;
  border-top: 1px solid var(--color-border);
}

.comparison-header {
  margin-bottom: clamp(var(--space-12), 6vw, var(--space-20));
}

.lifecycle-comparison {
  margin-top: 0;
}

.lifecycle-header {
  display: none;
}

@media (min-width: 900px) {
  .lifecycle-header {
    display: grid;
    grid-template-columns: 160px 1fr 1fr;
    gap: var(--space-6);
    padding-bottom: var(--space-4);
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 0;
  }
}

.lifecycle-col-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding-bottom: var(--space-2);
}

.lifecycle-col-label--trad {
  color: var(--color-text-muted);
}

.lifecycle-col-label--fs {
  color: var(--color-accent);
}

.lifecycle-category {
  padding: var(--space-5) 0 var(--space-3);
}

.lifecycle-cat-name {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-style: italic;
  color: var(--color-text);
}

.lifecycle-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
  padding: var(--space-5) 0;
  border-bottom: 1px solid var(--color-border);
}

@media (min-width: 900px) {
  .lifecycle-row {
    grid-template-columns: 160px 1fr 1fr;
    gap: var(--space-6);
    align-items: start;
  }
}

.lifecycle-aspect {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  padding-top: 2px;
}

.lifecycle-trad {
  font-size: var(--text-sm);
  color: var(--color-text-faint);
  line-height: 1.65;
}

.lifecycle-fs {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* Mobile labels */
.lifecycle-trad::before,
.lifecycle-fs::before {
  display: none;
}

@media (max-width: 899px) {
  .lifecycle-trad::before {
    content: 'Traditional: ';
    font-family: var(--font-mono);
    font-size: 0.65rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    display: block;
    margin-bottom: var(--space-1);
  }
  .lifecycle-fs::before {
    content: 'Frames Studio: ';
    font-family: var(--font-mono);
    font-size: 0.65rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-accent);
    display: block;
    margin-bottom: var(--space-1);
  }
}

/* Summary row */
.lifecycle-summary {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  margin-top: var(--space-10);
  padding-top: var(--space-10);
  border-top: 2px solid var(--color-border-strong);
}

@media (min-width: 900px) {
  .lifecycle-summary {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-10);
  }
}

.lifecycle-summary-trad,
.lifecycle-summary-fs {
  display: flex;
  align-items: baseline;
  gap: var(--space-4);
}

.lifecycle-summary-trad .lifecycle-summary-count {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-style: italic;
  color: var(--color-text-faint);
  flex-shrink: 0;
}

.lifecycle-summary-fs .lifecycle-summary-count {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-style: italic;
  color: var(--color-accent);
  flex-shrink: 0;
}

.lifecycle-summary-label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* ============================================
   SECTION 8: PHILOSOPHY
   ============================================ */

.philosophy {
  padding: clamp(var(--space-20), 10vw, var(--space-32)) 0;
  border-top: 1px solid var(--color-border);
}

.philosophy-body {
  max-width: 640px;
  margin-bottom: clamp(var(--space-12), 6vw, var(--space-16));
}

.philosophy-body p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: var(--space-6);
}

.philosophy-body strong {
  color: var(--color-text);
  font-weight: 600;
}

/* Timeline visual */
.timeline-visual {
  position: relative;
  padding: var(--space-10) 0;
  margin-bottom: var(--space-12);
}

.timeline-bar {
  position: relative;
  height: 3px;
  background: var(--color-border-strong);
  border-radius: 2px;
  margin-bottom: var(--space-10);
}

.timeline-fill {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--color-accent), var(--color-blue));
  border-radius: 2px;
}

.timeline-markers {
  display: flex;
  justify-content: space-between;
  position: relative;
}

.timeline-marker {
  text-align: center;
  position: relative;
}

.timeline-marker::before {
  content: '';
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-accent);
  display: block;
  margin: 0 auto var(--space-3);
}

.timeline-year {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text);
  font-weight: 500;
}

.timeline-note {
  font-size: 0.7rem;
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

.timeline-caption {
  text-align: center;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-style: italic;
  color: var(--color-text);
  margin-top: var(--space-6);
  max-width: none;
}

.philosophy-quote {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
  padding-left: var(--space-6);
  border-left: 2px solid var(--color-accent);
  max-width: 640px;
}

/* ============================================
   SECTION 9: DUAL AUDIENCE
   ============================================ */

.audience {
  padding: clamp(var(--space-20), 10vw, var(--space-32)) 0;
  border-top: 1px solid var(--color-border);
}

.audience-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  margin-top: clamp(var(--space-10), 5vw, var(--space-16));
}

@media (min-width: 768px) {
  .audience-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-10);
  }
}

.audience-card {
  padding: var(--space-10);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
}

.audience-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
}

.audience-card--dev::before {
  background: var(--color-accent);
}

.audience-card--team::before {
  background: var(--color-blue);
}

.audience-card-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--space-6);
}

.audience-card--dev .audience-card-label {
  color: var(--color-accent);
}

.audience-card--team .audience-card-label {
  color: var(--color-blue);
}

.audience-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.75;
}

.audience-card p + p {
  margin-top: var(--space-4);
}

/* ============================================
   SECTION 10: CTA FOOTER
   ============================================ */

.cta-section {
  padding: clamp(var(--space-24), 12vw, var(--space-32)) 0;
  text-align: center;
  border-top: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(74,222,128,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.cta-headline {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  font-style: italic;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}

.cta-sub {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  margin-bottom: var(--space-10);
  max-width: 500px;
  margin-inline: auto;
  text-wrap: balance;
}

.cta-form {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  max-width: 460px;
  margin-inline: auto;
  flex-wrap: wrap;
  margin-bottom: var(--space-6);
}

.cta-input {
  flex: 1;
  min-width: 200px;
  padding: var(--space-3) var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-size: var(--text-sm);
  outline: none;
  transition: border-color var(--transition-interactive);
}

.cta-input::placeholder {
  color: var(--color-text-faint);
}

.cta-input:focus {
  border-color: var(--color-accent);
}

.cta-note {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  letter-spacing: 0.05em;
}

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

.site-footer {
  padding: var(--space-10) 0;
  border-top: 1px solid var(--color-border);
  text-align: center;
}

.footer-text {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

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

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-d1 { transition-delay: 0ms; }
.reveal-d2 { transition-delay: 80ms; }
.reveal-d3 { transition-delay: 160ms; }
.reveal-d4 { transition-delay: 240ms; }

/* ============================================
   RESPONSIVE HELPERS
   ============================================ */

@media (max-width: 480px) {
  .hero h1 {
    font-size: clamp(2rem, 8vw, 3rem);
  }

  .section-heading {
    font-size: clamp(1.5rem, 6vw, 2rem);
  }

  .feature-heading {
    font-size: clamp(1.25rem, 5vw, 1.75rem);
  }

  .browser-mockup, .window-mockup {
    border-radius: 8px;
  }

  .browser-chrome, .window-chrome {
    padding: 8px 12px;
  }

  .browser-dot, .window-dot {
    width: 8px;
    height: 8px;
  }

  .browser-url {
    font-size: 10px;
    padding: 4px 8px;
  }
}

@media (max-width: 768px) {
  .feature-grid {
    gap: var(--space-8);
  }

  .feature-content {
    max-width: 100%;
  }
}

/* ============================================
   UTILITY: LAZY LOAD FADE
   ============================================ */

img[loading="lazy"] {
  opacity: 0;
  transition: opacity 0.4s ease;
}

img[loading="lazy"].loaded,
img.loaded {
  opacity: 1;
}

img[loading="lazy"][src] {
  opacity: 1;
}

/* ============================================
   DEVELOPER WORKFLOW SECTION
   ============================================ */

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

.workflow-intro {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  max-width: 560px;
  line-height: 1.7;
  margin-bottom: var(--space-12);
}

/* Pipeline layout — 4 stages + 3 arrows */
.workflow-pipeline {
  display: grid;
  grid-template-columns: 1fr 48px 1fr 48px 1fr 48px 1fr;
  gap: 0;
  align-items: start;
  margin-bottom: var(--space-10);
}

/* Stage card */
.workflow-stage {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 12px;
  overflow: hidden;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
  opacity: 0;
  transform: translateY(20px);
  animation: workflowFadeIn 0.5s ease forwards;
}

.workflow-stage[data-stage="1"] { animation-delay: 0.1s; }
.workflow-stage[data-stage="2"] { animation-delay: 0.25s; }
.workflow-stage[data-stage="3"] { animation-delay: 0.4s; }
.workflow-stage[data-stage="4"] { animation-delay: 0.55s; }

@keyframes workflowFadeIn {
  to { opacity: 1; transform: translateY(0); }
}

.workflow-stage:hover {
  border-color: rgba(74,222,128,0.25);
  box-shadow: 0 0 24px rgba(74,222,128,0.06);
}

.workflow-stage-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 18px 12px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  background: rgba(255,255,255,0.02);
}

.workflow-stage-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 600;
  color: rgba(255,255,255,0.25);
  letter-spacing: 0.05em;
}

.workflow-stage-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: rgba(255,255,255,0.04);
  border-radius: 8px;
  flex-shrink: 0;
}

.workflow-stage-title {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: 0.01em;
}

.workflow-stage-body {
  padding: 16px 18px 18px;
}

/* Step list */
.workflow-steps {
  list-style: none;
  padding: 0;
  margin: 0 0 14px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.workflow-step {
  display: flex;
  gap: 10px;
  align-items: flex-start;
}

.workflow-step-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #4ADE80;
  flex-shrink: 0;
  margin-top: 5px;
  box-shadow: 0 0 6px rgba(74,222,128,0.4);
}

.workflow-step-dot--amber {
  background: #f59e0b;
  box-shadow: 0 0 6px rgba(245,158,11,0.4);
}

.workflow-step strong {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 2px;
}

.workflow-step p {
  font-size: 12px;
  color: var(--color-text-secondary);
  line-height: 1.5;
  margin: 0;
}

/* Stage tag */
.workflow-stage-tag {
  font-size: 11px;
  font-weight: 600;
  padding: 5px 10px;
  border-radius: 6px;
  display: inline-block;
  letter-spacing: 0.02em;
}

.workflow-stage-tag--blue {
  background: rgba(96,165,250,0.1);
  color: #60A5FA;
  border: 1px solid rgba(96,165,250,0.2);
}

.workflow-stage-tag--green {
  background: rgba(74,222,128,0.1);
  color: #4ADE80;
  border: 1px solid rgba(74,222,128,0.2);
}

.workflow-stage-tag--amber {
  background: rgba(245,158,11,0.1);
  color: #f59e0b;
  border: 1px solid rgba(245,158,11,0.2);
}

/* Arrows */
.workflow-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 50px;
}

.arrow-svg {
  width: 40px;
  height: 16px;
}

.arrow-path {
  stroke-dasharray: 80;
  stroke-dashoffset: 80;
  animation: drawArrow 0.4s ease forwards;
}

.workflow-stage[data-stage="1"] ~ .workflow-arrow:nth-of-type(1) .arrow-path { animation-delay: 0.35s; }
.workflow-stage[data-stage="2"] ~ .workflow-arrow:nth-of-type(2) .arrow-path { animation-delay: 0.5s; }
.workflow-stage[data-stage="3"] ~ .workflow-arrow:nth-of-type(3) .arrow-path { animation-delay: 0.65s; }

@keyframes drawArrow {
  to { stroke-dashoffset: 0; }
}

/* Summary bar */
.workflow-summary {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-6);
  padding: var(--space-5) var(--space-8);
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 12px;
  flex-wrap: wrap;
}

.workflow-summary-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.workflow-summary-icon {
  font-size: 1.25rem;
}

.workflow-summary-text strong {
  color: var(--color-text);
}

.workflow-summary-divider {
  font-size: 1.25rem;
  color: rgba(255,255,255,0.2);
}

/* Responsive */
@media (max-width: 1100px) {
  .workflow-pipeline {
    grid-template-columns: 1fr 36px 1fr;
    grid-template-rows: auto auto;
    gap: 0;
  }

  .workflow-stage[data-stage="3"],
  .workflow-stage[data-stage="4"] {
    margin-top: var(--space-4);
  }

  /* Hide arrows 2 and 3 on medium screens, show only 2 columns */
  .workflow-pipeline .workflow-arrow:nth-of-type(2),
  .workflow-pipeline .workflow-arrow:nth-of-type(3) {
    display: none;
  }

  /* Reflow to 2x2 grid */
  .workflow-pipeline {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
  }

  .workflow-arrow {
    display: none;
  }
}

@media (max-width: 640px) {
  .workflow-pipeline {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }
}

/* ============================================
   TCO CALCULATOR SECTION
   ============================================ */

.calculator-section {
  padding: var(--space-20) 0;
  position: relative;
}

.calculator-intro {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  max-width: 600px;
  line-height: 1.7;
  margin-bottom: var(--space-12);
}

.calculator-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  align-items: start;
}

/* --- Inputs Panel --- */

.calc-inputs {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 12px;
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.calc-input-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.calc-label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  display: flex;
  align-items: center;
  justify-content: space-between;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.calc-value-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--text-sm);
  font-weight: 500;
  color: #4ADE80;
  background: rgba(74,222,128,0.1);
  padding: 2px 10px;
  border-radius: 6px;
  text-transform: none;
  letter-spacing: 0;
}

/* Custom range slider */
.calc-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  background: rgba(255,255,255,0.1);
  border-radius: 3px;
  outline: none;
  cursor: pointer;
}

.calc-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #4ADE80;
  cursor: pointer;
  box-shadow: 0 0 10px rgba(74,222,128,0.3);
  transition: box-shadow 0.2s ease;
}

.calc-slider::-webkit-slider-thumb:hover {
  box-shadow: 0 0 16px rgba(74,222,128,0.5);
}

.calc-slider::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #4ADE80;
  cursor: pointer;
  border: none;
  box-shadow: 0 0 10px rgba(74,222,128,0.3);
}

.calc-range-labels {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: rgba(255,255,255,0.3);
  font-family: 'JetBrains Mono', monospace;
}

/* Checkboxes */
.calc-checkboxes {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.calc-check {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: color 0.15s ease;
}

.calc-check:hover {
  color: var(--color-text);
}

.calc-check input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.calc-check-box {
  width: 18px;
  height: 18px;
  border: 1.5px solid rgba(255,255,255,0.2);
  border-radius: 4px;
  flex-shrink: 0;
  position: relative;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.calc-check input:checked + .calc-check-box {
  border-color: #4ADE80;
  background: rgba(74,222,128,0.15);
}

.calc-check input:checked + .calc-check-box::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 5.5px;
  width: 5px;
  height: 9px;
  border: solid #4ADE80;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

/* --- Results Panel --- */

.calc-results {
  position: sticky;
  top: 100px;
}

.calc-results-inner {
  background: rgba(74,222,128,0.03);
  border: 1px solid rgba(74,222,128,0.12);
  border-radius: 12px;
  padding: var(--space-8);
}

.calc-comparison {
  text-align: center;
  margin-bottom: var(--space-6);
}

.calc-result-block {
  padding: var(--space-4) 0;
}

.calc-result-label {
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-secondary);
  margin-bottom: 4px;
}

.calc-result-amount {
  font-family: 'JetBrains Mono', monospace;
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  color: #f87171;
  transition: all 0.4s ease;
}

.calc-result-amount--green {
  color: #4ADE80;
}

.calc-result-sublabel {
  font-size: 12px;
  color: rgba(255,255,255,0.4);
  margin-top: 2px;
}

.calc-result-arrow {
  padding: 4px 0;
  opacity: 0.5;
}

/* Savings banner */
.calc-savings-banner {
  background: rgba(74,222,128,0.08);
  border: 1px solid rgba(74,222,128,0.2);
  border-radius: 8px;
  padding: var(--space-4) var(--space-6);
  margin-bottom: var(--space-6);
}

.calc-savings-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 4px 0;
}

.calc-savings-label {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.calc-savings-amount {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--text-lg);
  font-weight: 700;
  color: #4ADE80;
}

.calc-savings-pct {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--text-lg);
  font-weight: 700;
  color: #4ADE80;
}

/* Breakdown bars */
.calc-breakdown {
  margin-bottom: var(--space-4);
}

.calc-breakdown-title {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-3);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.calc-bar-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.calc-bar-row {
  display: grid;
  grid-template-columns: 1fr 120px auto;
  align-items: center;
  gap: 10px;
}

.calc-bar-label {
  font-size: 12px;
  color: var(--color-text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.calc-bar-track {
  height: 6px;
  background: rgba(255,255,255,0.06);
  border-radius: 3px;
  overflow: hidden;
}

.calc-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, #f87171, #fb923c);
  border-radius: 3px;
  transition: width 0.5s ease;
}

.calc-bar-value {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: rgba(255,255,255,0.5);
  text-align: right;
  min-width: 70px;
}

.calc-footnote {
  font-size: 11px;
  color: rgba(255,255,255,0.3);
  line-height: 1.5;
}

.calc-footnote a {
  color: #4ADE80;
  text-decoration: none;
}

.calc-footnote a:hover {
  text-decoration: underline;
}

/* Responsive */
@media (max-width: 900px) {
  .calculator-layout {
    grid-template-columns: 1fr;
  }

  .calc-results {
    position: static;
  }

  .calc-bar-row {
    grid-template-columns: 1fr 80px auto;
  }
}

@media (max-width: 480px) {
  .calc-inputs,
  .calc-results-inner {
    padding: var(--space-5);
  }

  .calc-bar-row {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .calc-bar-track {
    width: 100%;
  }

  .calc-bar-value {
    text-align: left;
  }
}

/* ============================================
   WHITE PAPER SECTION
   ============================================ */

.whitepaper-section {
  padding: var(--space-20) 0;
  position: relative;
}

.whitepaper-card {
  background: linear-gradient(135deg, rgba(74, 222, 128, 0.04) 0%, rgba(96, 165, 250, 0.04) 100%);
  border: 1px solid rgba(74, 222, 128, 0.15);
  border-radius: 16px;
  padding: var(--space-12) var(--space-10);
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}

.whitepaper-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 200px;
  height: 1px;
  background: linear-gradient(90deg, transparent, #4ADE80, transparent);
}

.whitepaper-icon {
  margin-bottom: var(--space-4);
}

.whitepaper-heading {
  font-family: 'Instrument Serif', serif;
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  color: var(--color-text);
  margin-bottom: var(--space-4);
  letter-spacing: -0.02em;
}

.whitepaper-description {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: 1.7;
  max-width: 560px;
  margin: 0 auto var(--space-8);
}

.whitepaper-stats {
  display: flex;
  justify-content: center;
  gap: var(--space-8);
  margin-bottom: var(--space-8);
  flex-wrap: wrap;
}

.whitepaper-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.whitepaper-stat-value {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--text-lg);
  font-weight: 600;
  color: #4ADE80;
}

.whitepaper-stat-label {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  opacity: 0.7;
}

.btn-whitepaper {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  font-size: var(--text-base);
  font-weight: 600;
  color: #0C0C0C;
  background: #4ADE80;
  border-radius: 8px;
  text-decoration: none;
  transition: background 0.2s ease, transform 0.2s ease;
}

.btn-whitepaper:hover {
  background: #6EE7A0;
  transform: translateY(-1px);
}

.btn-whitepaper svg {
  flex-shrink: 0;
}

@media (max-width: 640px) {
  .whitepaper-card {
    padding: var(--space-8) var(--space-6);
  }

  .whitepaper-stats {
    gap: var(--space-4);
  }

  .whitepaper-stat-value {
    font-size: var(--text-base);
  }
}