/* ============================================
   CHECK SPACE — Landing Page Styles
   ============================================ */

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

:root {
  --clr-bg:        #0a0f1e;
  --clr-bg-2:      #111827;
  --clr-bg-card:   #161f35;
  --clr-border:    rgba(99, 102, 241, 0.2);
  --clr-primary:   #4f46e5;
  --clr-primary-h: #4338ca;
  --clr-cyan:      #22d3ee;
  --clr-text:      #f1f5f9;
  --clr-muted:     #94a3b8;
  --clr-muted-2:   #9aa4b2;

  --font: 'Inter', system-ui, -apple-system, sans-serif;
  --radius: 12px;
  --radius-lg: 20px;
  --transition: 150ms ease;
  --shadow-card: 0 1px 3px rgba(0,0,0,.4), 0 8px 24px rgba(0,0,0,.3);
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font);
  background: var(--clr-bg);
  color: var(--clr-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }

a { color: var(--clr-primary); text-decoration: none; }
a:hover { color: var(--clr-primary-h); }

/* ---------- Utilities ---------- */
.container {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

.gradient-text {
  background: linear-gradient(135deg, var(--clr-primary) 0%, var(--clr-cyan) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 56px;
}

.section-header h2 { font-size: clamp(1.75rem, 3vw, 2.25rem); margin-bottom: 12px; }
.section-header p  { color: var(--clr-muted); font-size: 1.1rem; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition);
  white-space: nowrap;
  text-decoration: none;
}

.btn--sm  { padding: 7px 16px; font-size: .875rem; }
.btn--lg  { padding: 14px 28px; font-size: 1.05rem; }
.btn--block { width: 100%; }

.btn--primary {
  background: var(--clr-primary);
  color: #fff;
  border-color: var(--clr-primary);
}
.btn--primary:hover {
  background: var(--clr-primary-h);
  border-color: var(--clr-primary-h);
  color: #fff;
  transform: translateY(-1px);
}

.btn--ghost {
  background: transparent;
  color: var(--clr-text);
  border-color: var(--clr-border);
}
.btn--ghost:hover {
  background: rgba(99,102,241,.1);
  border-color: var(--clr-primary);
  color: var(--clr-text);
}

.btn--disabled {
  background: var(--clr-bg-card);
  color: var(--clr-muted-2);
  border-color: var(--clr-border);
  cursor: not-allowed;
  opacity: .6;
}

/* ---------- Badge / Label ---------- */
.badge {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 999px;
  background: rgba(99,102,241,.15);
  color: var(--clr-primary-h);
  font-size: .82rem;
  font-weight: 600;
  letter-spacing: .02em;
  border: 1px solid rgba(99,102,241,.3);
  margin-bottom: 20px;
}

.version-badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: .78rem;
  font-weight: 600;
  background: rgba(34,211,238,.15);
  color: var(--clr-cyan);
  border: 1px solid rgba(34,211,238,.3);
  margin-bottom: 10px;
}

.version-badge--soon {
  background: rgba(148,163,184,.1);
  color: var(--clr-muted);
  border-color: rgba(148,163,184,.2);
}

/* ---------- Navbar ---------- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 15, 30, 0.88);
  border-bottom: 1px solid var(--clr-border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.navbar__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--clr-text);
  text-decoration: none;
}
.navbar__logo:hover { color: var(--clr-text); }

.navbar__links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.navbar__links a {
  color: var(--clr-muted);
  font-size: .95rem;
  font-weight: 500;
  transition: color var(--transition);
}
.navbar__links a:hover { color: var(--clr-text); }

.navbar__links .btn--primary,
.navbar__links .btn--primary:hover,
.navbar__links .btn--primary:focus-visible {
  color: #fff;
}

/* ---------- Hero ---------- */
.hero {
  padding: 96px 0 80px;
  border-bottom: 1px solid var(--clr-border);
  background: radial-gradient(ellipse 80% 60% at 50% -20%, rgba(99,102,241,.15) 0%, transparent 70%);
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.hero__content { max-width: 560px; }

.hero__content h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -.03em;
  margin-bottom: 20px;
}

.hero__desc {
  font-size: 1.15rem;
  color: var(--clr-muted);
  margin-bottom: 36px;
  line-height: 1.7;
}

.hero__actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.hero__meta {
  font-size: .85rem;
  color: var(--clr-muted-2);
}

/* ---------- Disk Visualization (Hero) ---------- */
.disk-viz {
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-card);
}

.disk-viz__header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 14px;
  font-size: .9rem;
}

.disk-viz__title { font-weight: 600; }
.disk-viz__used  { color: var(--clr-muted); }

.disk-viz__bar {
  height: 10px;
  background: rgba(99,102,241,.15);
  border-radius: 999px;
  overflow: hidden;
  margin-bottom: 24px;
}

.disk-viz__bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--clr-primary), var(--clr-cyan));
  border-radius: 999px;
}

.disk-viz__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.disk-viz__list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .9rem;
}

.disk-viz__list .name { flex: 1; color: var(--clr-muted); }
.disk-viz__list .size { font-weight: 600; color: var(--clr-text); }

.dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}
.dot--1 { background: #6366f1; }
.dot--2 { background: #22d3ee; }
.dot--3 { background: #a78bfa; }
.dot--4 { background: #fb923c; }
.dot--5 { background: #4ade80; }

/* ---------- Problem ---------- */
.problem {
  padding: 80px 0;
  background: var(--clr-bg-2);
  border-bottom: 1px solid var(--clr-border);
}

.problem__inner { max-width: 780px; margin: 0 auto; text-align: center; }

.problem__inner h2 {
  font-size: clamp(1.6rem, 3vw, 2rem);
  margin-bottom: 18px;
  font-weight: 700;
}

.problem__inner p {
  color: var(--clr-muted);
  font-size: 1.05rem;
  margin-bottom: 48px;
  line-height: 1.75;
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.stat-card {
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.stat-card strong {
  font-size: 1.8rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-cyan));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-card span { font-size: .85rem; color: var(--clr-muted); line-height: 1.4; }

/* ---------- Features ---------- */
.features {
  padding: 96px 0;
  border-bottom: 1px solid var(--clr-border);
}

.features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: border-color var(--transition), transform var(--transition);
}

.feature-card:hover {
  border-color: var(--clr-primary);
  transform: translateY(-2px);
}

.feature-card__icon {
  width: 48px;
  height: 48px;
  background: rgba(99,102,241,.12);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-primary-h);
  margin-bottom: 18px;
}

.feature-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--clr-text);
}

.feature-card p {
  font-size: .9rem;
  color: var(--clr-muted);
  line-height: 1.65;
}

/* ---------- How It Works ---------- */
.how-it-works {
  padding: 96px 0;
  background: var(--clr-bg-2);
  border-bottom: 1px solid var(--clr-border);
}

.steps {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  counter-reset: step;
}

.step {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.step__number {
  font-size: 3rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-cyan));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
}

.step__content h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.step__content p {
  font-size: .9rem;
  color: var(--clr-muted);
  line-height: 1.65;
}

/* ---------- SEO Content ---------- */
.seo-content {
  padding: 96px 0;
  border-bottom: 1px solid var(--clr-border);
}

.seo-content__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.seo-content__block h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.3;
}

.seo-content__block p {
  font-size: .95rem;
  color: var(--clr-muted);
  line-height: 1.75;
  margin-bottom: 16px;
}

.seo-content__block p:last-child { margin-bottom: 0; }

/* ---------- FAQ ---------- */
.faq {
  padding: 96px 0;
  background: var(--clr-bg-2);
  border-bottom: 1px solid var(--clr-border);
}

.faq__header {
  margin-bottom: 48px;
}

.faq__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 40px;
}

.faq-card,
.seo-checklist {
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 28px;
}

.faq-card h3,
.seo-checklist h2 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.faq-card p,
.seo-checklist p,
.seo-checklist li {
  color: var(--clr-muted);
  line-height: 1.75;
  font-size: .95rem;
}

.seo-checklist ul {
  padding-left: 20px;
  margin: 0 0 18px;
}

.seo-checklist li + li {
  margin-top: 10px;
}

/* ---------- Download ---------- */
.download {
  padding: 96px 0;
  background: radial-gradient(ellipse 80% 60% at 50% 120%, rgba(99,102,241,.15) 0%, transparent 70%);
}

.download__inner {
  text-align: center;
}

.download__inner h2 {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 800;
  margin-bottom: 12px;
}

.download__inner > p {
  color: var(--clr-muted);
  font-size: 1.05rem;
  margin-bottom: 56px;
}

.download__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 900px;
  margin: 0 auto 32px;
}

.download-card {
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  text-align: center;
  transition: border-color var(--transition);
}

.download-card--featured {
  border-color: var(--clr-primary);
  background: linear-gradient(160deg, rgba(99,102,241,.08) 0%, var(--clr-bg-card) 60%);
}

.download-card--soon { opacity: .65; }

.download-card__icon { margin-bottom: 4px; }

.download-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
}

.download-card p {
  font-size: .85rem;
  color: var(--clr-muted);
  line-height: 1.55;
  margin-bottom: 4px;
}

.download-card .btn { margin-top: 4px; }

.download__note a {
  color: var(--clr-muted);
  font-size: .9rem;
}
.download__note a:hover { color: var(--clr-primary-h); }

/* ---------- Footer ---------- */
.footer {
  background: var(--clr-bg-2);
  border-top: 1px solid var(--clr-border);
  padding: 32px 0;
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer__inner p {
  color: var(--clr-muted-2);
  font-size: .85rem;
}

.footer__inner a { color: var(--clr-muted); }
.footer__inner a:hover { color: var(--clr-text); }

.footer__links {
  display: flex;
  gap: 24px;
}

.footer__links a {
  font-size: .85rem;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero__inner    { grid-template-columns: 1fr; gap: 48px; }
  .hero__content  { max-width: 100%; }
  .features__grid { grid-template-columns: 1fr 1fr; }
  .steps          { grid-template-columns: 1fr; gap: 40px; }
  .seo-content__grid { grid-template-columns: 1fr; gap: 48px; }
  .faq__grid      { grid-template-columns: 1fr; }
  .download__grid { grid-template-columns: 1fr; max-width: 400px; }
  .stats-row      { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .navbar__links a:not(.btn) { display: none; }
  .features__grid { grid-template-columns: 1fr; }
  .hero__actions  { flex-direction: column; }
  .hero__actions .btn { width: 100%; justify-content: center; }
  .footer__inner  { flex-direction: column; text-align: center; }
  .footer__links  { justify-content: center; }
}

@media (max-width: 480px) {
  .container { padding: 0 18px; }
  .hero { padding: 72px 0 64px; }
  .feature-card,
  .download-card,
  .faq-card,
  .seo-checklist,
  .disk-viz { padding: 22px; }
  .footer__links { flex-wrap: wrap; gap: 14px; }
}

/* ---------- Cookie Banner ---------- */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  background: var(--clr-bg-2);
  border-top: 1px solid var(--clr-border);
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 -4px 24px rgba(0,0,0,.4);
}

.cookie-banner__inner {
  display: flex;
  align-items: center;
  gap: 32px;
  max-width: 1160px;
  width: 100%;
  flex-wrap: wrap;
}

.cookie-banner__text {
  flex: 1;
  min-width: 220px;
}

.cookie-banner__text strong {
  display: block;
  font-size: 1rem;
  margin-bottom: 4px;
  color: var(--clr-text);
}

.cookie-banner__text p {
  font-size: .875rem;
  color: var(--clr-muted);
  line-height: 1.5;
}

.cookie-banner__link {
  color: var(--clr-primary-h);
  text-decoration: underline;
}

.cookie-banner__actions {
  display: flex;
  gap: 12px;
  flex-shrink: 0;
  flex-wrap: wrap;
}

.btn--cookie {
  background: var(--clr-primary);
  color: #fff;
  border: 2px solid var(--clr-primary);
  padding: 9px 20px;
  font-size: .9rem;
  border-radius: var(--radius);
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
  white-space: nowrap;
  font-family: var(--font);
}

.btn--cookie:hover {
  background: var(--clr-primary-h);
  border-color: var(--clr-primary-h);
  transform: translateY(-1px);
}

/* ---------- Legal Pages ---------- */
.legal-page {
  padding: 80px 0 96px;
  min-height: 70vh;
}

.legal-page__header {
  text-align: center;
  margin-bottom: 56px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--clr-border);
}

.legal-page__header h1 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  margin-bottom: 12px;
}

.legal-page__header p {
  color: var(--clr-muted);
  font-size: 1rem;
}

.legal-page__body h2 {
  font-size: 1.3rem;
  font-weight: 700;
  margin: 40px 0 14px;
  color: var(--clr-text);
}

.legal-page__body h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin: 28px 0 10px;
  color: var(--clr-text);
}

.legal-page__body p,
.legal-page__body li {
  font-size: .97rem;
  color: var(--clr-muted);
  line-height: 1.8;
  margin-bottom: 14px;
}

.legal-page__body ul,
.legal-page__body ol {
  padding-left: 24px;
  margin-bottom: 16px;
}

.legal-page__body li + li { margin-top: 6px; }

.legal-page__body a { color: var(--clr-primary-h); text-decoration: underline; }

.legal-page__body .info-box {
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin: 24px 0;
}

/* FAQ page dedicated */
.faq-page__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

@media (max-width: 700px) {
  .cookie-banner__inner { flex-direction: column; align-items: flex-start; gap: 16px; }
  .cookie-banner__actions { width: 100%; }
  .btn--cookie { flex: 1; text-align: center; justify-content: center; }
  .faq-page__grid { grid-template-columns: 1fr; }
}