/* ================================================================
   Currently — Design System
   Material Design 3 × Dark Solar Theme
   Brand colors: #f5a623 (amber primary), #F0002A (red), #582949 (purple)
   ================================================================ */

/* ── 1. Design Tokens ──────────────────────────────────────────── */
:root {
  /* Brand palette */
  --c-primary:            #f5a623;
  --c-primary-bright:     #ffb300;
  --c-primary-deep:       #e08c15;
  --c-primary-container:  #3d2a00;
  --c-on-primary:         #1a0800;
  --c-primary-glow:       rgba(245, 166, 35, 0.15);
  --c-primary-glow-mid:   rgba(245, 166, 35, 0.25);
  --c-primary-glow-strong:rgba(245, 166, 35, 0.40);
  --c-secondary:          #F0002A;
  --c-tertiary:           #582949;
  --c-tertiary-dim:       rgba(88, 41, 73, 0.30);

  /* Surfaces — dark theme */
  --c-bg:           #050505;
  --c-surface-1:    #0a0a0a;
  --c-surface-2:    #0f0f0f;
  --c-surface-3:    #141414;
  --c-surface-4:    #1a1a1a;
  --c-surface-5:    #202020;

  /* Text */
  --c-text:          #f0ece6;
  --c-text-sub:      #b8b0a4;
  --c-text-muted:    #7a7268;
  --c-text-disabled: #3a3530;

  /* Borders */
  --c-outline:        #242018;
  --c-outline-bright: #3a3428;

  /* Typography — Inter */
  --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;

  /* Type scale */
  --t-display-xl: clamp(44px, 6vw, 80px);
  --t-display-lg: clamp(36px, 5vw, 64px);
  --t-display-md: clamp(28px, 3.5vw, 48px);
  --t-headline-lg: clamp(24px, 2.8vw, 36px);
  --t-headline-md: clamp(20px, 2.2vw, 28px);
  --t-headline-sm: clamp(18px, 1.8vw, 22px);
  --t-title-lg:    20px;
  --t-title-md:    16px;
  --t-body-lg:     16px;
  --t-body-md:     14px;
  --t-label-lg:    14px;
  --t-label-md:    12px;
  --t-label-sm:    11px;

  /* Spacing (4px base grid) */
  --s-1:  4px;  --s-2:  8px;  --s-3:  12px; --s-4:  16px;
  --s-5:  20px; --s-6:  24px; --s-7:  28px; --s-8:  32px;
  --s-10: 40px; --s-12: 48px; --s-14: 56px; --s-16: 64px;
  --s-20: 80px; --s-24: 96px; --s-28: 112px; --s-32: 128px;

  /* Border radius */
  --r-xs:   2px;  --r-sm:  4px;  --r-md:   8px;
  --r-lg:   12px; --r-xl:  16px; --r-2xl:  24px;
  --r-3xl:  32px; --r-full: 9999px;

  /* Transitions */
  --ease-standard: cubic-bezier(0.2, 0, 0, 1);
  --ease-decel:    cubic-bezier(0, 0, 0.2, 1);
  --ease-accel:    cubic-bezier(0.3, 0, 1, 1);
  --dur-fast:   150ms; --dur-std:   250ms;
  --dur-slow:   350ms; --dur-slower: 500ms;

  /* Elevation */
  --shadow-sm:  0 1px 3px rgba(0,0,0,.6), 0 1px 2px rgba(0,0,0,.5);
  --shadow-md:  0 4px 12px rgba(0,0,0,.65), 0 2px 4px rgba(0,0,0,.5);
  --shadow-lg:  0 8px 24px rgba(0,0,0,.75), 0 4px 8px rgba(0,0,0,.5);
  --shadow-xl:  0 16px 48px rgba(0,0,0,.85), 0 8px 16px rgba(0,0,0,.6);
  --glow-primary-sm:  0 0 12px rgba(245,166,35,.45), 0 0 24px rgba(245,166,35,.20);
  --glow-primary-md:  0 0 20px rgba(245,166,35,.50), 0 0 48px rgba(245,166,35,.25);
  --glow-primary-lg:  0 0 32px rgba(245,166,35,.55), 0 0 80px rgba(245,166,35,.30);

  /* Layout */
  --container:      1200px;
  --container-wide: 1400px;
  --nav-height:     64px;
}

/* ── 2. Reset & Base ───────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  font-size: var(--t-body-lg);
  line-height: 1.6;
  color: var(--c-text);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, video, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
ul { list-style: none; }

/* ── 3. Typography ─────────────────────────────────────────────── */
.t-display-xl  { font-size: var(--t-display-xl);  font-weight: 700; letter-spacing: -0.03em; line-height: 1.05; }
.t-display-lg  { font-size: var(--t-display-lg);  font-weight: 700; letter-spacing: -0.025em; line-height: 1.08; }
.t-display-md  { font-size: var(--t-display-md);  font-weight: 600; letter-spacing: -0.02em; line-height: 1.12; }
.t-headline-lg { font-size: var(--t-headline-lg); font-weight: 600; letter-spacing: -0.015em; line-height: 1.2; }
.t-headline-md { font-size: var(--t-headline-md); font-weight: 600; letter-spacing: -0.01em;  line-height: 1.25; }
.t-headline-sm { font-size: var(--t-headline-sm); font-weight: 600; letter-spacing: -0.01em;  line-height: 1.3; }
.t-title-lg    { font-size: var(--t-title-lg);    font-weight: 500; letter-spacing: -0.005em; line-height: 1.4; }
.t-title-md    { font-size: var(--t-title-md);    font-weight: 500; letter-spacing: 0;        line-height: 1.5; }
.t-body-lg     { font-size: var(--t-body-lg);     font-weight: 400; line-height: 1.65; }
.t-body-md     { font-size: var(--t-body-md);     font-weight: 400; line-height: 1.65; }
.t-label-lg    { font-size: var(--t-label-lg);    font-weight: 500; letter-spacing: 0.01em; }
.t-label-md    { font-size: var(--t-label-md);    font-weight: 500; letter-spacing: 0.04em; text-transform: uppercase; }
.t-mono        { font-family: var(--font-mono); }

.text-primary  { color: var(--c-primary); }
.text-muted    { color: var(--c-text-muted); }
.text-sub      { color: var(--c-text-sub); }

/* ── 4. Layout Utilities ───────────────────────────────────────── */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--s-6);
}
.container-wide {
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0 var(--s-6);
}
.section { padding: var(--s-24) 0; }
.section-sm { padding: var(--s-16) 0; }
.section-lg { padding: var(--s-32) 0; }

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--s-6); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--s-6); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--s-6); }
.flex    { display: flex; }
.flex-col { display: flex; flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: var(--s-2); } .gap-3 { gap: var(--s-3); }
.gap-4 { gap: var(--s-4); } .gap-6 { gap: var(--s-6); }

/* ── 5. Navigation ─────────────────────────────────────────────── */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  padding: 0 var(--s-6);
  transition: background var(--dur-std) var(--ease-standard),
              border-color var(--dur-std) var(--ease-standard),
              backdrop-filter var(--dur-std) var(--ease-standard);
}

.site-nav.scrolled {
  background: rgba(5,5,5,0.88);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--c-outline);
}

.nav-inner {
  width: 100%;
  max-width: var(--container-wide);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: var(--s-8);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--s-2);
  flex-shrink: 0;
  transition: opacity var(--dur-fast);
}
.nav-logo:hover { opacity: 0.85; }

.nav-logo-text {
  font-family: 'Roboto', var(--font-sans);
  font-weight: 900;
  font-size: 24px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background: linear-gradient(90deg, #ffb300, #ff6f00, #ffb300);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 6px rgba(255, 140, 0, 0.30));
  animation: logo-gradient-shift 5s linear infinite;
}

@keyframes logo-gradient-shift {
  from { background-position: 0% center; }
  to   { background-position: 200% center; }
}
.nav-logo-mark {
  width: 22px;
  height: 22px;
  background: var(--c-primary);
  border-radius: var(--r-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.nav-logo-mark svg { width: 18px; height: 18px; }

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--s-1);
  flex: 1;
}

.nav-link {
  font-size: var(--t-label-lg);
  font-weight: 500;
  color: var(--c-text-muted);
  padding: var(--s-2) var(--s-3);
  border-radius: var(--r-md);
  transition: color var(--dur-fast), background var(--dur-fast);
}
.nav-link:hover { color: var(--c-text); background: rgba(255,255,255,0.06); }
.nav-link.active { color: var(--c-primary); }

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--s-2);
  margin-left: auto;
  flex-shrink: 0;
}
.nav-actions .btn-ghost.btn-sm  { min-width: 100px; }
.nav-actions .btn-primary.btn-sm { min-width: 114px; }

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--s-2);
  margin-left: auto;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--c-text);
  border-radius: var(--r-full);
  transition: transform var(--dur-std) var(--ease-standard),
              opacity var(--dur-std),
              width var(--dur-std);
}

/* Mobile nav drawer */
.nav-mobile {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0; right: 0;
  background: rgba(5,5,5,0.96);
  backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--c-outline);
  padding: var(--s-4) var(--s-6);
  flex-direction: column;
  gap: var(--s-1);
  z-index: 99;
}
.nav-mobile.open { display: flex; }
.nav-mobile .nav-link { padding: var(--s-3) var(--s-4); font-size: var(--t-body-lg); }
.nav-mobile .btn { width: 100%; justify-content: center; margin-top: var(--s-2); }
.nav-mobile .lang-switcher { margin-top: var(--s-3); align-self: flex-start; }

/* ── 6. Buttons ────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-2);
  font-size: var(--t-label-lg);
  font-weight: 600;
  letter-spacing: 0.01em;
  border-radius: var(--r-full);
  border: 1.5px solid transparent;
  padding: 10px 22px;
  cursor: pointer;
  transition: all var(--dur-std) var(--ease-standard);
  white-space: nowrap;
  text-decoration: none;
  position: relative;
  overflow: hidden;
}
.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: currentColor;
  opacity: 0;
  transition: opacity var(--dur-fast);
}
.btn:hover::after { opacity: 0.08; }
.btn:active::after { opacity: 0.14; }

.btn-primary {
  background: var(--c-primary);
  color: var(--c-on-primary);
  border-color: var(--c-primary);
}
.btn-primary:hover {
  box-shadow: var(--glow-primary-sm);
  background: var(--c-primary-bright);
}

.btn-outlined {
  background: transparent;
  color: var(--c-text);
  border-color: var(--c-outline-bright);
}
.btn-outlined:hover {
  border-color: var(--c-primary);
  color: var(--c-primary);
  background: var(--c-primary-glow);
}

.btn-ghost {
  background: transparent;
  color: var(--c-text-sub);
  border-color: transparent;
}
.btn-ghost:hover { color: var(--c-text); background: rgba(255,255,255,0.06); }

.btn-sm  { padding: 7px 16px; font-size: var(--t-label-md); }
.btn-lg  { padding: 14px 32px; font-size: var(--t-body-lg); }
.btn-xl  { padding: 17px 40px; font-size: var(--t-body-lg); border-radius: var(--r-3xl); }

.btn .material-symbols-outlined { font-size: 18px; }

/* ── 7. Cards ──────────────────────────────────────────────────── */
.card {
  background: var(--c-surface-2);
  border: 1px solid var(--c-outline);
  border-radius: var(--r-xl);
  padding: var(--s-6);
  transition: border-color var(--dur-std), box-shadow var(--dur-std);
}
.card:hover {
  border-color: var(--c-outline-bright);
}
.card-elevated {
  background: var(--c-surface-3);
  box-shadow: var(--shadow-md);
}
.card-glow:hover {
  border-color: rgba(245,166,35,0.4);
  box-shadow: 0 0 32px rgba(245,166,35,0.08);
}
.card-highlight {
  border-color: rgba(245,166,35,0.5);
  background: linear-gradient(135deg, rgba(245,166,35,0.06) 0%, var(--c-surface-2) 60%);
}

/* ── 8. Badges & Chips ─────────────────────────────────────────── */
.chip {
  display: inline-flex;
  align-items: center;
  gap: var(--s-1);
  padding: 4px 12px;
  border-radius: var(--r-full);
  font-size: var(--t-label-md);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 1px solid;
}
.chip-primary {
  color: var(--c-primary);
  border-color: rgba(245,166,35,0.35);
  background: rgba(245,166,35,0.08);
}
.chip-muted {
  color: var(--c-text-muted);
  border-color: var(--c-outline);
  background: var(--c-surface-3);
}
.chip-roadmap {
  color: #ff6f00;
  border-color: rgba(255,111,0,0.35);
  background: rgba(255,111,0,0.08);
  font-size: 10px;
  padding: 2px 8px;
  vertical-align: middle;
  margin-left: var(--s-2);
}

/* Section eyebrow label */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  font-size: var(--t-label-md);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-primary);
  margin-bottom: var(--s-4);
}
.eyebrow::before {
  content: '';
  display: block;
  width: 20px;
  height: 2px;
  background: var(--c-primary);
  border-radius: var(--r-full);
}

/* ── 9. Section Headings ───────────────────────────────────────── */
.section-header { margin-bottom: var(--s-16); }
.section-header-center { text-align: center; }
.section-header h2 { margin-bottom: var(--s-4); }
.section-header p {
  font-size: var(--t-body-lg);
  color: var(--c-text-sub);
  max-width: 56ch;
  line-height: 1.7;
}
.section-header-center p { margin: 0 auto; }

/* ── 10. Screenshot Placeholders ───────────────────────────────── */
.screenshot-placeholder {
  background: var(--c-surface-2);
  border: 1.5px dashed var(--c-outline-bright);
  border-radius: var(--r-xl);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--s-3);
  position: relative;
  overflow: hidden;
  cursor: pointer;
  transition: border-color var(--dur-std), background var(--dur-std), box-shadow var(--dur-std);
}
.screenshot-placeholder:hover {
  border-color: rgba(245,166,35,0.5);
  background: var(--c-surface-3);
  box-shadow: 0 0 40px rgba(245,166,35,0.06);
}
.screenshot-placeholder .ph-icon {
  width: 48px;
  height: 48px;
  background: var(--c-surface-4);
  border-radius: var(--r-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c-primary);
}
.screenshot-placeholder .ph-icon .material-symbols-outlined { font-size: 28px; }
.screenshot-placeholder .ph-label {
  font-size: var(--t-label-md);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--c-text-muted);
}
.screenshot-placeholder .ph-dim {
  font-size: var(--t-label-sm);
  color: var(--c-text-disabled);
  font-family: var(--font-mono);
}
.screenshot-placeholder .ph-hover-hint {
  position: absolute;
  inset: 0;
  background: rgba(245,166,35,0.04);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--dur-std);
  border-radius: var(--r-xl);
}
.screenshot-placeholder:hover .ph-hover-hint { opacity: 1; }
.ph-hover-hint .material-symbols-outlined {
  font-size: 40px;
  color: var(--c-primary);
  opacity: 0.7;
}
/* Aspect ratio helpers */
.ar-16-9  { aspect-ratio: 16 / 9; }
.ar-16-10 { aspect-ratio: 16 / 10; }
.ar-4-3   { aspect-ratio: 4 / 3; }
.ar-3-2   { aspect-ratio: 3 / 2; }
.ar-21-9  { aspect-ratio: 21 / 9; }

/* When a real image is swapped in */
.screenshot-placeholder img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--r-xl);
}

/* ── 11. Lightbox ──────────────────────────────────────────────── */
.lightbox-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0,0,0,0.94);
  backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-std) var(--ease-decel);
}
.lightbox-overlay.open {
  opacity: 1;
  pointer-events: all;
}
.lightbox-inner {
  position: relative;
  max-width: min(92vw, 1400px);
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--s-4);
}
.lightbox-img-wrap {
  border-radius: var(--r-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl), var(--glow-primary-md);
  background: var(--c-surface-3);
  border: 1px solid var(--c-outline-bright);
  max-height: 80vh;
  display: flex;
}
.lightbox-img-wrap img {
  max-width: 100%;
  max-height: 80vh;
  object-fit: contain;
}
.lightbox-placeholder {
  width: min(80vw, 1200px);
  aspect-ratio: 16/9;
  background: var(--c-surface-2);
  border-radius: var(--r-xl);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--s-3);
  color: var(--c-text-muted);
  border: 1px solid var(--c-outline-bright);
}
.lightbox-caption {
  font-size: var(--t-body-md);
  color: var(--c-text-sub);
  text-align: center;
}
.lightbox-close {
  position: absolute;
  top: calc(-1 * var(--s-12));
  right: 0;
  background: var(--c-surface-4);
  border: 1px solid var(--c-outline-bright);
  border-radius: var(--r-full);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--c-text);
  transition: background var(--dur-fast), border-color var(--dur-fast);
}
.lightbox-close:hover {
  background: var(--c-surface-5);
  border-color: var(--c-primary);
  color: var(--c-primary);
}
.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(10,10,10,0.8);
  border: 1px solid var(--c-outline-bright);
  border-radius: var(--r-full);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--c-text);
  transition: all var(--dur-fast);
  backdrop-filter: blur(8px);
}
.lightbox-nav:hover { border-color: var(--c-primary); color: var(--c-primary); background: rgba(245,166,35,0.12); }
.lightbox-prev { left: calc(-1 * var(--s-14)); }
.lightbox-next { right: calc(-1 * var(--s-14)); }
.lightbox-counter {
  font-size: var(--t-label-md);
  color: var(--c-text-disabled);
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
}

/* ── 12. Footer ────────────────────────────────────────────────── */
.site-footer {
  background: var(--c-surface-1);
  border-top: 1px solid var(--c-outline);
  padding: var(--s-20) 0 var(--s-10);
  margin-top: var(--s-24);
}
.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: var(--s-12);
  align-items: start;
}
.footer-brand { display: flex; flex-direction: column; gap: var(--s-4); }
.footer-brand-logo {
  display: flex;
  align-items: center;
  gap: var(--s-2);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--c-text);
}
.footer-tagline {
  font-size: var(--t-body-md);
  color: var(--c-text-muted);
  max-width: 32ch;
  line-height: 1.7;
}
.footer-ctas { display: flex; gap: var(--s-2); flex-wrap: wrap; margin-top: var(--s-2); }

.footer-col h4 {
  font-size: var(--t-label-md);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-text-muted);
  margin-bottom: var(--s-4);
}
.footer-col ul { display: flex; flex-direction: column; gap: var(--s-2); }
.footer-col a {
  font-size: var(--t-body-md);
  color: var(--c-text-sub);
  transition: color var(--dur-fast);
  display: inline-flex;
  align-items: center;
  gap: var(--s-1);
}
.footer-col a:hover { color: var(--c-primary); }

.footer-contact-block {
  background: var(--c-surface-2);
  border: 1px solid var(--c-outline);
  border-radius: var(--r-xl);
  padding: var(--s-5);
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
}
.footer-contact-block h4 { text-transform: none; letter-spacing: 0; font-size: var(--t-title-md); color: var(--c-text); margin-bottom: 0; }
.footer-contact-block p { font-size: var(--t-body-md); color: var(--c-text-muted); line-height: 1.6; }
.footer-contact-block a {
  color: var(--c-primary);
  font-weight: 500;
  font-size: var(--t-body-md);
  display: inline-flex;
  align-items: center;
  gap: var(--s-1);
  transition: opacity var(--dur-fast);
}
.footer-contact-block a:hover { opacity: 0.8; }

.footer-bottom {
  border-top: 1px solid var(--c-outline);
  margin-top: var(--s-12);
  padding-top: var(--s-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-4);
  flex-wrap: wrap;
}
.footer-copyright {
  font-size: var(--t-body-md);
  color: var(--c-text-disabled);
}

/* ── 13. Page Header (inner pages) ─────────────────────────────── */
.page-hero {
  padding: calc(var(--nav-height) + var(--s-20)) 0 var(--s-16);
  background: radial-gradient(ellipse 60% 40% at 50% 0%, rgba(245,166,35,0.06) 0%, transparent 70%);
  border-bottom: 1px solid var(--c-outline);
  text-align: center;
}
.page-hero-eyebrow { justify-content: center; }
.page-hero h1 { margin-bottom: var(--s-4); }
.page-hero p {
  font-size: var(--t-body-lg);
  color: var(--c-text-sub);
  max-width: 56ch;
  margin: 0 auto;
  line-height: 1.7;
}

/* ── 14. Feature List Items ─────────────────────────────────────── */
.feature-list {
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
}
.feature-item {
  display: flex;
  align-items: flex-start;
  gap: var(--s-3);
  font-size: var(--t-body-md);
  color: var(--c-text-sub);
  line-height: 1.5;
}
.feature-item-check {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  background: var(--c-primary-container);
  border-radius: var(--r-full);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}
.feature-item-check .material-symbols-outlined {
  font-size: 12px;
  color: var(--c-primary-bright);
}

/* ── 15. Pricing Cards ──────────────────────────────────────────── */
.pricing-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-3);
  margin-bottom: var(--s-12);
}
.pricing-toggle-track {
  width: 48px;
  height: 26px;
  background: var(--c-surface-4);
  border: 1.5px solid var(--c-outline-bright);
  border-radius: var(--r-full);
  cursor: pointer;
  position: relative;
  transition: background var(--dur-std), border-color var(--dur-std);
}
.pricing-toggle-track.yearly {
  background: var(--c-primary-container);
  border-color: rgba(245,166,35,0.5);
}
.pricing-toggle-thumb {
  position: absolute;
  width: 18px;
  height: 18px;
  background: var(--c-text-muted);
  border-radius: var(--r-full);
  top: 3px;
  left: 3px;
  transition: transform var(--dur-std) var(--ease-standard), background var(--dur-std);
}
.pricing-toggle-track.yearly .pricing-toggle-thumb {
  transform: translateX(22px);
  background: var(--c-primary);
}
.pricing-toggle-label {
  font-size: var(--t-label-lg);
  font-weight: 500;
  color: var(--c-text-muted);
  transition: color var(--dur-fast);
}
.pricing-toggle-label.active { color: var(--c-text); }
.pricing-save-badge {
  background: rgba(245,166,35,0.12);
  color: var(--c-primary);
  border: 1px solid rgba(245,166,35,0.3);
  border-radius: var(--r-full);
  padding: 2px 10px;
  font-size: var(--t-label-sm);
  font-weight: 600;
  letter-spacing: 0.04em;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-5);
  align-items: stretch;
}
.pricing-card {
  background: var(--c-surface-2);
  border: 1px solid var(--c-outline);
  border-radius: var(--r-2xl);
  padding: var(--s-8);
  display: flex;
  flex-direction: column;
  gap: var(--s-5);
  transition: border-color var(--dur-std), box-shadow var(--dur-std), transform var(--dur-std);
  position: relative;
}
.pricing-card:hover {
  border-color: var(--c-outline-bright);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.pricing-card.featured {
  border-color: rgba(245,166,35,0.5);
  background: linear-gradient(135deg, rgba(245,166,35,0.05) 0%, var(--c-surface-2) 50%);
  box-shadow: 0 0 40px rgba(245,166,35,0.08);
}
.pricing-card.featured:hover {
  border-color: rgba(245,166,35,0.7);
  box-shadow: 0 0 60px rgba(245,166,35,0.12), var(--shadow-xl);
}
.pricing-featured-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--c-primary);
  color: var(--c-on-primary);
  font-size: var(--t-label-sm);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 16px;
  border-radius: var(--r-full);
}
.pricing-tier {
  font-size: var(--t-label-md);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-primary);
}
.pricing-desc {
  font-size: var(--t-body-md);
  color: var(--c-text-muted);
  line-height: 1.6;
}
.pricing-price {
  display: flex;
  align-items: baseline;
  gap: var(--s-1);
}
.price-currency { font-size: var(--t-headline-sm); font-weight: 600; color: var(--c-text-sub); }
.price-amount {
  font-size: clamp(36px, 4vw, 52px);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--c-text);
}
.price-period { font-size: var(--t-body-md); color: var(--c-text-muted); }

/* Billing label: "Billed Monthly" / "Billed Yearly · 2 months free" */
.pricing-billing-row { margin-top: 2px; }
.pricing-billing-label {
  font-size: var(--t-label-md);
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--c-text-muted);
}
.pricing-billing-label .billing-bonus {
  color: var(--c-primary);
  font-weight: 600;
}

/* Tiered seat prices: €89 / €79 / €69 per seat */
.pricing-seat-tiers {
  display: flex;
  align-items: center;
  gap: 5px;
  margin-top: var(--s-3);
  padding: var(--s-2) var(--s-3);
  background: var(--c-surface-3);
  border: 1px solid var(--c-outline);
  border-radius: var(--r-lg);
  flex-wrap: wrap;
}
.tier-value {
  font-size: var(--t-label-lg);
  font-weight: 600;
  color: var(--c-text-sub);
  font-family: var(--font-mono);
  transition: color var(--dur-std);
}
.tier-value.tier-first { color: var(--c-primary); }
.tier-sep {
  font-size: var(--t-label-md);
  color: var(--c-text-sub);
  font-weight: 400;
  user-select: none;
}
.tier-unit {
  font-size: var(--t-label-md);
  color: var(--c-text-muted);
  margin-left: 2px;
}
.pricing-divider {
  height: 1px;
  background: var(--c-outline);
  margin: 0 calc(-1 * var(--s-2));
}
.pricing-features {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
}
.pricing-feature {
  display: flex;
  align-items: flex-start;
  gap: var(--s-2);
  font-size: var(--t-body-md);
  color: var(--c-text-sub);
  line-height: 1.5;
}
.pricing-feature .material-symbols-outlined {
  font-size: 16px;
  color: var(--c-primary);
  flex-shrink: 0;
  margin-top: 2px;
}
.pricing-projects {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--s-3) var(--s-4);
  background: var(--c-surface-3);
  border-radius: var(--r-lg);
  font-size: var(--t-body-md);
}
.pricing-projects span:last-child { font-weight: 600; color: var(--c-primary); }
.pricing-cta { margin-top: auto; }

/* ── 16. FAQ Accordion ──────────────────────────────────────────── */
.faq-list { display: flex; flex-direction: column; gap: var(--s-2); }
.faq-item {
  background: var(--c-surface-2);
  border: 1px solid var(--c-outline);
  border-radius: var(--r-xl);
  overflow: hidden;
  transition: border-color var(--dur-std);
}
.faq-item.open { border-color: rgba(245,166,35,0.3); }
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-4);
  padding: var(--s-5) var(--s-6);
  cursor: pointer;
  user-select: none;
  transition: background var(--dur-fast);
}
.faq-question:hover { background: rgba(255,255,255,0.02); }
.faq-question-text {
  font-size: var(--t-title-md);
  font-weight: 500;
  color: var(--c-text);
}
.faq-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  background: var(--c-surface-3);
  border-radius: var(--r-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c-text-muted);
  transition: background var(--dur-std), color var(--dur-std), transform var(--dur-std);
}
.faq-item.open .faq-icon {
  background: var(--c-primary-container);
  color: var(--c-primary);
  transform: rotate(45deg);
}
.faq-icon .material-symbols-outlined { font-size: 18px; }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--dur-slow) var(--ease-decel);
}
.faq-item.open .faq-answer { max-height: 600px; }
.faq-answer-inner {
  padding: 0 var(--s-6) var(--s-5);
  font-size: var(--t-body-md);
  color: var(--c-text-muted);
  line-height: 1.75;
}

/* ── 17. Step Process ───────────────────────────────────────────── */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-5);
}
.step-card {
  background: var(--c-surface-2);
  border: 1px solid var(--c-outline);
  border-radius: var(--r-xl);
  padding: var(--s-6);
  position: relative;
  transition: border-color var(--dur-std), box-shadow var(--dur-std);
}
.step-card:hover { border-color: var(--c-outline-bright); box-shadow: var(--shadow-md); }
.step-number {
  font-size: var(--t-label-sm);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-primary);
  font-family: var(--font-mono);
  margin-bottom: var(--s-4);
  display: flex;
  align-items: center;
  gap: var(--s-2);
}
.step-number::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--c-outline);
}
.step-card h3 { font-size: var(--t-headline-sm); font-weight: 600; margin-bottom: var(--s-3); }
.step-card p { font-size: var(--t-body-md); color: var(--c-text-muted); line-height: 1.7; }

/* ── 18. Three Layers Section ───────────────────────────────────── */
.layers-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-5);
}
.layer-card {
  background: var(--c-surface-2);
  border: 1px solid var(--c-outline);
  border-radius: var(--r-2xl);
  padding: var(--s-8);
  transition: border-color var(--dur-std), box-shadow var(--dur-std);
  position: relative;
  overflow: hidden;
}
.layer-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--c-primary) 0%, transparent 100%);
  opacity: 0;
  transition: opacity var(--dur-std);
}
.layer-card:hover { border-color: var(--c-outline-bright); box-shadow: var(--shadow-md); }
.layer-card:hover::before { opacity: 1; }
.layer-icon {
  width: 48px;
  height: 48px;
  background: var(--c-primary-container);
  border-radius: var(--r-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c-primary);
  margin-bottom: var(--s-5);
}
.layer-icon .material-symbols-outlined { font-size: 26px; }
.layer-card h3 { font-size: var(--t-headline-sm); font-weight: 600; margin-bottom: var(--s-3); color: var(--c-text); }
.layer-card p { font-size: var(--t-body-md); color: var(--c-text-muted); line-height: 1.7; }

/* ── 19. Platform Feature Chips ─────────────────────────────────── */
.platform-features {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-2);
  margin: var(--s-6) 0;
}
.platform-feature-chip {
  display: flex;
  align-items: center;
  gap: var(--s-2);
  padding: var(--s-2) var(--s-4);
  background: var(--c-surface-3);
  border: 1px solid var(--c-outline);
  border-radius: var(--r-full);
  font-size: var(--t-body-md);
  color: var(--c-text-sub);
  transition: border-color var(--dur-fast), color var(--dur-fast);
}
.platform-feature-chip:hover { border-color: rgba(245,166,35,0.4); color: var(--c-text); }
.platform-feature-chip .material-symbols-outlined { font-size: 16px; color: var(--c-primary); }

/* ── 20. CTA Banner Section ─────────────────────────────────────── */
.cta-section {
  background: linear-gradient(135deg,
    rgba(245,166,35,0.06) 0%,
    rgba(88,41,73,0.04) 50%,
    rgba(245,166,35,0.03) 100%);
  border: 1px solid var(--c-outline-bright);
  border-radius: var(--r-3xl);
  padding: var(--s-20) var(--s-12);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  top: 0; left: 50%; transform: translateX(-50%);
  width: 80%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(245,166,35,0.4), transparent);
}
.cta-section h2 { margin-bottom: var(--s-4); }
.cta-section p { color: var(--c-text-sub); max-width: 52ch; margin: 0 auto var(--s-8); font-size: var(--t-body-lg); line-height: 1.7; }
.cta-actions { display: flex; align-items: center; justify-content: center; gap: var(--s-3); flex-wrap: wrap; }

/* ── 21. Contact Form ───────────────────────────────────────────── */
.form-field {
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
}
.form-label {
  font-size: var(--t-label-lg);
  font-weight: 500;
  color: var(--c-text-sub);
}
.form-label span { color: var(--c-secondary); }
.form-input,
.form-textarea {
  background: var(--c-surface-2);
  border: 1.5px solid var(--c-outline-bright);
  border-radius: var(--r-lg);
  color: var(--c-text);
  font-size: var(--t-body-lg);
  padding: var(--s-3) var(--s-4);
  transition: border-color var(--dur-std), box-shadow var(--dur-std);
  outline: none;
  width: 100%;
}
.form-input:focus,
.form-textarea:focus {
  border-color: var(--c-primary);
  box-shadow: 0 0 0 3px rgba(245,166,35,0.12);
}
.form-input::placeholder,
.form-textarea::placeholder { color: var(--c-text-disabled); }
.form-textarea { min-height: 140px; resize: vertical; }

/* ── 22. Info Block (About/Contact) ─────────────────────────────── */
.info-block {
  background: var(--c-surface-2);
  border: 1px solid var(--c-outline);
  border-radius: var(--r-xl);
  padding: var(--s-6);
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
}
.info-block h3 { font-size: var(--t-title-lg); font-weight: 600; color: var(--c-text); }
.info-block p { font-size: var(--t-body-md); color: var(--c-text-muted); line-height: 1.7; }
.info-icon-row {
  display: flex;
  align-items: flex-start;
  gap: var(--s-3);
}
.info-icon {
  width: 36px;
  height: 36px;
  background: var(--c-primary-container);
  border-radius: var(--r-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--c-primary);
}
.info-icon .material-symbols-outlined { font-size: 20px; }

/* ── 23. Download Steps ─────────────────────────────────────────── */
.download-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.download-step {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: var(--s-6);
  position: relative;
  padding-bottom: var(--s-10);
}
.download-step:last-child { padding-bottom: 0; }
.download-step::before {
  content: '';
  position: absolute;
  left: 31px;
  top: 52px;
  bottom: 0;
  width: 2px;
  background: var(--c-outline);
}
.download-step:last-child::before { display: none; }
.step-dot {
  width: 64px;
  height: 64px;
  background: var(--c-surface-3);
  border: 2px solid var(--c-outline-bright);
  border-radius: var(--r-full);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: var(--t-headline-sm);
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--c-primary);
  position: relative;
  z-index: 1;
  background: var(--c-bg);
}
.download-step-content { padding-top: var(--s-4); }
.download-step-content h3 { font-size: var(--t-headline-sm); font-weight: 600; margin-bottom: var(--s-2); color: var(--c-text); }
.download-step-content p { font-size: var(--t-body-md); color: var(--c-text-muted); line-height: 1.75; }
.download-step-content .note {
  margin-top: var(--s-2);
  padding: var(--s-3) var(--s-4);
  background: var(--c-surface-3);
  border-left: 2px solid var(--c-outline-bright);
  border-radius: 0 var(--r-md) var(--r-md) 0;
  font-size: var(--t-body-md);
  color: var(--c-text-muted);
  font-style: italic;
}

/* ── 24. About page specifics ───────────────────────────────────── */
.about-pillar-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-5);
}
.pillar-card {
  background: var(--c-surface-2);
  border: 1px solid var(--c-outline);
  border-radius: var(--r-2xl);
  padding: var(--s-8);
  transition: border-color var(--dur-std), box-shadow var(--dur-std);
}
.pillar-card:hover { border-color: rgba(245,166,35,0.35); box-shadow: 0 0 32px rgba(245,166,35,0.06); }
.pillar-num {
  font-size: clamp(52px, 6vw, 80px);
  font-weight: 800;
  letter-spacing: -0.04em;
  background: linear-gradient(135deg, var(--c-primary) 0%, rgba(245,166,35,0.3) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: var(--s-4);
}
.pillar-card h3 { font-size: var(--t-headline-sm); font-weight: 600; margin-bottom: var(--s-3); }
.pillar-card p { font-size: var(--t-body-md); color: var(--c-text-muted); line-height: 1.75; }

/* ── 25. Animations & Keyframes ─────────────────────────────────── */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; } to { opacity: 1; }
}
@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 12px rgba(245,166,35,0.3); }
  50%       { box-shadow: 0 0 28px rgba(245,166,35,0.6), 0 0 48px rgba(245,166,35,0.25); }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-8px); }
}
@keyframes energy-flow {
  0%   { stroke-dashoffset: 0; }
  100% { stroke-dashoffset: -40; }
}
@keyframes spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.3; }
}

.animate-fade-in-up { animation: fadeInUp 0.6s var(--ease-decel) both; }
.animate-delay-1 { animation-delay: 0.1s; }
.animate-delay-2 { animation-delay: 0.2s; }
.animate-delay-3 { animation-delay: 0.3s; }
.animate-delay-4 { animation-delay: 0.4s; }
.animate-delay-5 { animation-delay: 0.5s; }
.animate-delay-6 { animation-delay: 0.6s; }

/* ── 26. Hero Section ───────────────────────────────────────────── */
.hero {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: var(--nav-height) 0 0;
}

/* Grid perspective background */
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-grid-wrapper {
  position: absolute;
  bottom: 0;
  left: -10%;
  right: -10%;
  height: 65%;
  perspective: 600px;
  perspective-origin: 50% 0%;
}
.hero-grid-plane {
  width: 100%;
  height: 100%;
  transform: rotateX(55deg);
  transform-origin: top center;
  background-image:
    linear-gradient(rgba(245,166,35,0.09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245,166,35,0.09) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 90% 80% at 50% 0%, black 30%, transparent 100%);
}

/* Canvas for particle animation */
#hero-canvas {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

/* Radial glow center */
.hero-glow {
  position: absolute;
  width: 600px;
  height: 300px;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  background: radial-gradient(ellipse, rgba(245,166,35,0.07) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-16);
  align-items: center;
  padding-top: var(--s-16);
  padding-bottom: var(--s-20);
}

.hero-text { display: flex; flex-direction: column; gap: var(--s-5); }
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  font-size: var(--t-label-md);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-primary);
  font-family: var(--font-mono);
}
.hero-eyebrow-dot {
  width: 6px;
  height: 6px;
  background: var(--c-primary);
  border-radius: var(--r-full);
  animation: blink 2s ease-in-out infinite;
}
.hero-headline {
  font-size: var(--t-display-xl);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.0;
  color: var(--c-text);
}
.hero-headline .accent, .accent { color: var(--c-primary); }
.hero-description {
  font-size: var(--t-body-lg);
  color: var(--c-text-muted);
  max-width: 48ch;
  line-height: 1.75;
}
.hero-actions {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  flex-wrap: wrap;
  padding-top: var(--s-2);
}

/* ── 27. Mock UI Panel (Hero) ───────────────────────────────────── */
.hero-ui-panel {
  background: rgba(10,10,10,0.75);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(245,166,35,0.2);
  border-radius: var(--r-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl), 0 0 60px rgba(245,166,35,0.06);
  animation: float 6s ease-in-out infinite;
  max-width: 440px;
  width: 100%;
  margin-left: auto;
}

.panel-titlebar {
  display: flex;
  align-items: center;
  gap: var(--s-2);
  padding: var(--s-3) var(--s-4);
  background: rgba(255,255,255,0.02);
  border-bottom: 1px solid rgba(245,166,35,0.1);
}
.panel-dots { display: flex; gap: 5px; }
.panel-dots span {
  width: 10px; height: 10px;
  border-radius: var(--r-full);
}
.panel-dots span:nth-child(1) { background: #ff5f57; }
.panel-dots span:nth-child(2) { background: #febc2e; }
.panel-dots span:nth-child(3) { background: #28c840; }
.panel-title-text {
  flex: 1;
  text-align: center;
  font-size: var(--t-label-md);
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--c-text-muted);
  font-family: var(--font-mono);
}
.panel-live-badge {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #28c840;
  font-family: var(--font-mono);
}
.panel-live-dot {
  width: 6px;
  height: 6px;
  background: #28c840;
  border-radius: var(--r-full);
  animation: pulse-glow 1.5s ease-in-out infinite;
}

.panel-body { padding: var(--s-4); display: flex; flex-direction: column; gap: var(--s-4); }

/* Mini solar layout */
.panel-solar-view {
  background: var(--c-surface-1);
  border: 1px solid var(--c-outline);
  border-radius: var(--r-lg);
  padding: var(--s-3);
}
.panel-solar-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--c-text-muted);
  margin-bottom: var(--s-2);
  font-family: var(--font-mono);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.panel-solar-label #sim-time {
  color: var(--c-primary);
  letter-spacing: 0.04em;
}
.solar-panel-grid {
  display: grid;
  grid-template-columns: repeat(10, 1fr);
  gap: 3px;
}
.solar-cell {
  aspect-ratio: 1.6;
  border-radius: 2px;
  background: rgba(245,166,35,0.12);
  border: 1px solid rgba(245,166,35,0.2);
  transition: background 0.3s;
}
.solar-cell.active { background: rgba(245,166,35,0.45); border-color: rgba(245,166,35,0.6); }
.solar-cell.bright { background: rgba(245,166,35,0.7); border-color: var(--c-primary); }

/* Stats row */
.panel-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-2);
}
.panel-stat {
  background: var(--c-surface-1);
  border: 1px solid var(--c-outline);
  border-radius: var(--r-lg);
  padding: var(--s-3);
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.panel-stat-label {
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--c-text-disabled);
  font-family: var(--font-mono);
}
.panel-stat-value {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--c-primary);
  font-family: var(--font-mono);
}
.panel-stat-unit {
  font-size: 10px;
  color: var(--c-text-muted);
  font-family: var(--font-mono);
}

/* Mini chart */
.panel-chart-wrap {
  background: var(--c-surface-1);
  border: 1px solid var(--c-outline);
  border-radius: var(--r-lg);
  padding: var(--s-3);
}
.panel-chart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--s-2);
}
.panel-chart-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--c-text-muted);
  font-family: var(--font-mono);
}
.panel-chart-value {
  font-size: 10px;
  color: var(--c-primary);
  font-family: var(--font-mono);
  font-weight: 700;
}
.mini-chart-svg { width: 100%; height: 44px; }

/* ── 28. Screenshots Gallery Section ────────────────────────────── */
.screenshots-section { padding: var(--s-24) 0; }
.screenshots-hero-placeholder {
  width: 100%;
  aspect-ratio: 16 / 9;
  /* Swap in: Full 1920×1080 application screenshot */
}
.screenshots-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-4);
  margin-top: var(--s-8);
}
.screenshots-grid .screenshot-placeholder {
  /* Swap in: 1280×800 feature screenshots */
}

/* ── 29. Highlight Band ─────────────────────────────────────────── */
.highlight-band {
  background: linear-gradient(90deg, rgba(245,166,35,0.05) 0%, rgba(88,41,73,0.03) 50%, rgba(245,166,35,0.05) 100%);
  border-top: 1px solid var(--c-outline);
  border-bottom: 1px solid var(--c-outline);
  padding: var(--s-8) 0;
}
.highlight-band-inner {
  display: flex;
  align-items: center;
  justify-content: space-around;
  gap: var(--s-6);
  flex-wrap: wrap;
}
.highlight-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--s-1);
  text-align: center;
}
.highlight-stat-num {
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--c-primary);
}
.highlight-stat-label {
  font-size: var(--t-body-md);
  color: var(--c-text-muted);
  font-weight: 500;
}

/* ── 30. Scroll Indicator ───────────────────────────────────────── */
.scroll-indicator {
  position: absolute;
  bottom: var(--s-8);
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--s-1);
  color: var(--c-text-disabled);
  font-size: var(--t-label-sm);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  animation: fadeIn 1s 1.5s both;
}
.scroll-indicator .material-symbols-outlined {
  font-size: 22px;
  animation: float 2s ease-in-out infinite;
}

/* ── 31. Responsive ─────────────────────────────────────────────── */
/* section-header two-column variant (collapses on mobile) */
.section-header-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-16);
  align-items: center;
}

@media (max-width: 1024px) {
  .hero-content { grid-template-columns: 1fr; gap: var(--s-12); text-align: left; }
  .hero-ui-panel { margin: 0 auto; max-width: 480px; animation: none; }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: var(--s-8); }
  .pricing-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
  .layers-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .about-pillar-grid { grid-template-columns: 1fr; }
  .section-header-split { grid-template-columns: 1fr; gap: var(--s-6); }
}

@media (max-width: 768px) {
  :root { --nav-height: 56px; }
  .nav-links, .nav-actions .btn-ghost, .nav-actions .btn-outlined { display: none; }
  .nav-actions .lang-switcher { display: none; }
  .nav-toggle { display: flex; }
  .hero-content { padding-top: var(--s-10); }
  .hero-description { max-width: 100%; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: var(--s-8); }
  .footer-bottom { flex-direction: column; text-align: center; }
  .screenshots-grid { grid-template-columns: 1fr; }
  .lightbox-prev { left: var(--s-2); }
  .lightbox-next { right: var(--s-2); }
  .cta-section { padding: var(--s-12) var(--s-6); border-radius: var(--r-2xl); }
  .section { padding: var(--s-16) 0; }
  .highlight-band-inner { gap: var(--s-8); }
  .download-step { grid-template-columns: 48px 1fr; }
  .step-dot { width: 48px; height: 48px; font-size: 18px; }
}

@media (max-width: 640px) {
  /* Hide hero UI panel on phones — keeps hero focused on the headline */
  .hero-ui-panel { display: none; }
}

@media (max-width: 480px) {
  .hero-headline { font-size: clamp(32px, 10vw, 48px); }
  .panel-stats { grid-template-columns: repeat(3, 1fr); }
}

/* ── 32. Utilities ──────────────────────────────────────────────── */
.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}
.no-scroll { overflow: hidden; }
.mt-auto { margin-top: auto; }
.w-full { width: 100%; }
.text-center { text-align: center; }

/* Divider */
.divider {
  height: 1px;
  background: var(--c-outline);
  margin: var(--s-6) 0;
}

/* Inline link */
.inline-link {
  color: var(--c-primary);
  font-weight: 500;
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(245,166,35,0.4);
  transition: text-decoration-color var(--dur-fast);
}
.inline-link:hover { text-decoration-color: var(--c-primary); }

/* ── Language Switcher ──────────────────────────────────────── */
.lang-switcher {
  display: flex;
  flex-shrink: 0;
  gap: 2px;
  padding: 2px;
  background: var(--c-surface-2);
  border: 1px solid var(--c-outline-bright);
  border-radius: var(--r-full);
}

.lang-btn {
  padding: 3px 10px;
  border: none;
  background: none;
  border-radius: var(--r-full);
  font-size: var(--t-label-md);
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--c-text-muted);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  letter-spacing: 0.04em;
  line-height: 1.6;
}

.lang-btn.active {
  background: var(--c-primary);
  color: #000;
}

.lang-btn:hover:not(.active) {
  background: var(--c-surface-4);
  color: var(--c-text);
}