/* =========================================================
   RenderMix landing — styles.css
   Palette mirrors console.rendermix.app/static/styles.css
   ========================================================= */

:root {
  color-scheme: dark;
  --bg:           #020204;
  --bg-elevated:  #07080b;
  --bg-card:      #0f1014;
  --bg-card-alt:  #131419;
  --line:         rgba(255,255,255,0.08);
  --line-strong:  rgba(255,255,255,0.14);
  --text:         #f4f4f5;
  --text-soft:    #c9cbd2;
  --muted:        #777b86;
  --muted-2:      #555a64;
  --indigo:       #6366f1;
  --indigo-light: #a5b4fc;
  --indigo-dark:  #4f46e5;
  --cyan:         #53d8ff;
  --violet:       #9a7cff;
  --green:        #4ade80;
  --shadow-lg:    0 24px 70px rgba(0,0,0,0.45);
  --radius-card:  12px;
  --radius-btn:   8px;

  font-family: Inter, ui-sans-serif, system-ui, -apple-system,
               BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
}

*, *::before, *::after { box-sizing: border-box; }

html { background: var(--bg); scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  text-rendering: geometricPrecision;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }

/* ── Typography helpers ── */
.muted    { color: var(--muted); }
.accent   { color: var(--indigo-light); }
.sr-only  { position: absolute; width: 1px; height: 1px;
            overflow: hidden; clip: rect(0,0,0,0); }

/* ================================================================
   NAV
   ================================================================ */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 0 32px;
  height: 64px;
  border-bottom: 1px solid var(--line);
  background: rgba(2,2,4,0.82);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.01em;
  color: var(--text);
}

.nav-brand .rm-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--indigo) 0%, var(--violet) 100%);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: #fff;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-links a {
  padding: 6px 14px;
  border-radius: var(--radius-btn);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-soft);
  transition: color 0.15s, background 0.15s;
}

.nav-links a:hover { color: var(--text); background: rgba(255,255,255,0.05); }

.nav-links .btn-cta {
  background: var(--indigo-dark);
  color: #fff;
  font-weight: 600;
  padding: 7px 16px;
}

.nav-links .btn-cta:hover { background: var(--indigo); }

/* ================================================================
   HERO
   ================================================================ */
.hero {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 100px 24px 80px;
  gap: 36px;
}

/* CSS-only abstract gradient orb — no image assets */
.hero-gfx {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.hero-gfx::before {
  content: "";
  position: absolute;
  top: -140px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 700px;
  border-radius: 50%;
  background: conic-gradient(
    from 210deg at 50% 45%,
    #6366f133 0deg,
    #9a7cff22 60deg,
    #53d8ff18 120deg,
    #6366f100 180deg,
    #9a7cff22 240deg,
    #6366f133 300deg,
    #6366f133 360deg
  );
  filter: blur(60px);
  opacity: 0.7;
}

.hero-gfx::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 180px;
  background: linear-gradient(to bottom, transparent, var(--bg));
}

.hero-body {
  position: relative;
  z-index: 1;
  max-width: 680px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.hero-eyebrow {
  display: inline-block;
  padding: 5px 14px;
  border-radius: 999px;
  border: 1px solid rgba(99,102,241,0.35);
  background: rgba(99,102,241,0.08);
  color: var(--indigo-light);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  font-size: clamp(2.2rem, 6vw, 3.5rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--text);
}

.hero h1 em {
  font-style: normal;
  background: linear-gradient(90deg, var(--indigo-light), var(--violet), var(--cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  margin: 0;
  font-size: 1.1rem;
  color: var(--text-soft);
  max-width: 560px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-top: 8px;
}

/* ================================================================
   BUTTONS (shared)
   ================================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: var(--radius-btn);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: background 0.15s, box-shadow 0.15s, opacity 0.15s;
}

.btn-primary {
  background: var(--indigo-dark);
  color: #fff;
  box-shadow: 0 4px 24px rgba(99,102,241,0.30);
}

.btn-primary:hover {
  background: var(--indigo);
  box-shadow: 0 6px 32px rgba(99,102,241,0.45);
}

.btn-secondary {
  background: rgba(255,255,255,0.05);
  color: var(--text-soft);
  border: 1px solid var(--line-strong);
}

.btn-secondary:hover { background: rgba(255,255,255,0.09); color: var(--text); }

/* ================================================================
   SECTION WRAPPER
   ================================================================ */
section {
  padding: 80px 24px;
}

.section-inner {
  max-width: 1040px;
  margin: 0 auto;
}

.section-label {
  display: block;
  margin-bottom: 12px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--indigo-light);
}

.section-title {
  margin: 0 0 16px;
  font-size: clamp(1.5rem, 3.5vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--text);
}

.section-sub {
  margin: 0 0 56px;
  color: var(--muted);
  font-size: 1rem;
  max-width: 540px;
}

/* ================================================================
   FEATURES GRID
   ================================================================ */
.features {
  background: var(--bg-elevated);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1px;
  background: var(--line);
  border-radius: var(--radius-card);
  overflow: hidden;
}

.feature-card {
  background: var(--bg-card);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: background 0.2s;
}

.feature-card:hover { background: var(--bg-card-alt); }

.feature-icon {
  font-size: 1.8rem;
  line-height: 1;
  margin-bottom: 4px;
}

.feature-card h3 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
}

.feature-card p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--muted);
  line-height: 1.65;
}

/* ================================================================
   HOW IT WORKS
   ================================================================ */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 32px;
  counter-reset: steps;
}

.step {
  display: flex;
  flex-direction: column;
  gap: 14px;
  counter-increment: steps;
}

.step-num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1.5px solid rgba(99,102,241,0.4);
  background: rgba(99,102,241,0.1);
  font-size: 14px;
  font-weight: 800;
  color: var(--indigo-light);
}

.step-num::before { content: counter(steps); }

.step h3 {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
}

.step p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.65;
}

/* ================================================================
   PRICING TEASER
   ================================================================ */
.pricing {
  background: var(--bg-elevated);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  margin-bottom: 32px;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-card);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.pricing-card:hover {
  border-color: rgba(99,102,241,0.4);
  box-shadow: 0 0 0 1px rgba(99,102,241,0.15);
}

.pricing-card.featured {
  border-color: var(--indigo);
  box-shadow: 0 0 0 1px rgba(99,102,241,0.25),
              0 8px 40px rgba(99,102,241,0.12);
}

.pricing-card-top {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.tier-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--indigo-light);
  background: rgba(99,102,241,0.12);
  align-self: flex-start;
}

.tier-badge.popular {
  color: #fff;
  background: var(--indigo-dark);
}

.pricing-card h3 {
  margin: 0;
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--text);
}

.pricing-price {
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.price-amount {
  font-size: 2.4rem;
  font-weight: 900;
  color: var(--indigo-light);
  letter-spacing: -0.03em;
}

.price-period {
  font-size: 0.9rem;
  color: var(--muted);
}

.pricing-features {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.pricing-features li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--text-soft);
  line-height: 1.5;
}

.pricing-features li::before {
  content: "✓";
  color: var(--green);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

.btn-subscribe {
  display: block;
  text-align: center;
  padding: 11px 20px;
  border-radius: var(--radius-btn);
  font-size: 14px;
  font-weight: 600;
  background: rgba(99,102,241,0.12);
  color: var(--indigo-light);
  border: 1px solid rgba(99,102,241,0.25);
  transition: background 0.15s, color 0.15s, border-color 0.15s;
  margin-top: auto;
}

.btn-subscribe:hover {
  background: var(--indigo-dark);
  color: #fff;
  border-color: var(--indigo-dark);
}

.pricing-card.featured .btn-subscribe {
  background: var(--indigo-dark);
  color: #fff;
  border-color: var(--indigo-dark);
}

.pricing-card.featured .btn-subscribe:hover {
  background: var(--indigo);
}

.pricing-footer {
  text-align: center;
  margin-top: 8px;
}

.pricing-footer a {
  color: var(--indigo-light);
  font-size: 14px;
  font-weight: 500;
  transition: opacity 0.15s;
}

.pricing-footer a:hover { opacity: 0.75; }

/* ================================================================
   FOOTER
   ================================================================ */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 40px 32px;
}

.footer-inner {
  max-width: 1040px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.footer-left {
  font-size: 13px;
  color: var(--muted);
}

.footer-right {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-right a {
  font-size: 13px;
  color: var(--muted);
  transition: color 0.15s;
}

.footer-right a:hover { color: var(--text-soft); }

.footer-status {
  max-width: 1040px;
  margin: 20px auto 0;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  text-align: center;
  font-size: 12px;
  color: var(--muted-2);
}

.status-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  margin-right: 6px;
  vertical-align: middle;
  box-shadow: 0 0 0 2px rgba(74,222,128,0.2);
}

/* ================================================================
   RESPONSIVE
   ================================================================ */
@media (max-width: 640px) {
  .nav { padding: 0 18px; }
  .nav-links .nav-text-link { display: none; }
  section { padding: 56px 18px; }
  .hero { padding: 72px 18px 60px; }
  .feature-card { padding: 28px 22px; }
  .pricing-card { padding: 24px 20px; }
  .site-footer { padding: 32px 18px; }
  .footer-inner { flex-direction: column; align-items: flex-start; gap: 12px; }
}