/* =========================================================================
   LANDING PAGE — Hero, Features, Footer (fully responsive)
   ========================================================================= */

html, body { height: auto; min-height: 100%; }
body {
  overflow-y: auto;
  font-family: 'IRANSansX', 'Space Grotesk', system-ui, sans-serif;
}

.landing {
  min-height: 100vh;
  width: 100%;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
  background:
    radial-gradient(1200px 700px at 80% -10%, var(--accent-soft), transparent 60%),
    radial-gradient(900px 600px at 10% 110%, var(--accent-soft), transparent 55%),
    var(--bg);
}

/* ----------------------------- TOP NAV ----------------------------- */
.landing-nav {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; gap: 12px;
  padding: 14px 32px;
  border-bottom: 1px solid var(--line);
  background: color-mix(in oklab, var(--rail) 88%, transparent);
  backdrop-filter: blur(10px);
}
.landing-nav .brand {
  display: flex; align-items: center; gap: 10px;
  text-decoration: none; color: var(--ink);
  min-width: 0;
}
.landing-nav .brand-name { font-weight: 600; font-size: 15px; letter-spacing: -.01em; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.landing-nav .brand-name b { font-weight: 700; }
.landing-nav .brand-name .sub { color: var(--faint); font-weight: 500; margin-inline-start: 4px; }
.landing-nav .spacer { flex: 1; min-width: 8px; }
.landing-nav .login-btn {
  display: inline-flex; align-items: center; gap: 8px;
  background: linear-gradient(160deg, var(--accent-strong), var(--accent));
  color: var(--accent-ink); font-weight: 600; font-size: 13px;
  padding: 9px 16px; border-radius: var(--r-sm); text-decoration: none;
  box-shadow: 0 2px 14px -4px var(--accent-line);
  transition: transform var(--motion), box-shadow var(--motion);
  white-space: nowrap; flex-shrink: 0;
}
.landing-nav .login-btn:hover { transform: translateY(-1px); box-shadow: 0 6px 22px -6px var(--accent-line); }

/* ----------------------------- HERO ----------------------------- */
.hero {
  flex: 1;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: 80px 32px 64px;
  text-align: center;
  position: relative;
}

.hero .eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; letter-spacing: .18em; text-transform: uppercase;
  color: var(--accent-strong);
  padding: 6px 14px; border: 1px solid var(--accent-line);
  border-radius: 99px; background: var(--accent-soft);
  margin-bottom: 28px;
  max-width: 100%;
  white-space: normal;
  text-align: center;
}

.hero h1 {
  font-size: clamp(28px, 6vw, 60px);
  font-weight: 700; letter-spacing: -.01em; line-height: 1.25;
  margin: 0 0 22px;
  max-width: 880px;
  width: 100%;
  background: linear-gradient(180deg, var(--ink) 0%, var(--ink-2) 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero .lead {
  font-size: 16px; line-height: 1.7; color: var(--muted);
  max-width: 620px; width: 100%; margin: 0 0 36px;
}

.hero .cta-row {
  display: flex; gap: 12px; align-items: center; flex-wrap: wrap; justify-content: center;
  width: 100%;
}
.cta-primary {
  display: inline-flex; align-items: center; gap: 10px;
  background: linear-gradient(160deg, var(--accent-strong), var(--accent));
  color: var(--accent-ink); font-weight: 600; font-size: 15px;
  padding: 14px 28px; border-radius: var(--r-md); text-decoration: none;
  box-shadow: 0 4px 24px -6px var(--accent-line);
  transition: transform var(--motion), box-shadow var(--motion);
  max-width: 100%;
}
.cta-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 32px -8px var(--accent-line); }
.cta-primary svg { width: 18px; height: 18px; flex-shrink: 0; }

/* ----------------------------- FEATURE BAND ----------------------------- */
.features {
  padding: 0 32px 80px;
  max-width: 1200px; margin: 0 auto; width: 100%;
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.feature {
  background: var(--surface);
  padding: 28px 26px;
  display: flex; flex-direction: column; gap: 10px;
  transition: background var(--motion);
  min-width: 0;
}
.feature:hover { background: var(--surface-2); }

.feature .icon {
  width: 36px; height: 36px; border-radius: var(--r-sm);
  display: grid; place-items: center;
  background: var(--accent-soft); color: var(--accent-strong);
  margin-bottom: 6px;
  flex-shrink: 0;
}
.feature .icon svg { width: 18px; height: 18px; }

.feature h3 { font-size: 15px; font-weight: 600; letter-spacing: -.01em; margin: 0; color: var(--ink); }
.feature p  { font-size: 13.5px; line-height: 1.6; color: var(--muted); margin: 0; word-wrap: break-word; }

/* ----------------------------- FOOTER ----------------------------- */
.landing-foot {
  border-top: 1px solid var(--line);
  padding: 22px 32px;
  display: flex; align-items: center; justify-content: center;
  color: var(--faint); font-size: 12px;
  text-align: center;
}
.landing-foot .copyright { font-family: 'JetBrains Mono', monospace; }

/* =========================================================================
   RESPONSIVE BREAKPOINTS
   ========================================================================= */

/* Tablet */
@media (max-width: 880px) {
  .feature-grid { grid-template-columns: 1fr; }
}

/* Mobile */
@media (max-width: 640px) {
  .landing-nav { padding: 10px 16px; gap: 8px; }
  .landing-nav .brand-name { font-size: 13px; }
  .landing-nav .brand-name .sub { display: none; }
  .landing-nav .login-btn { padding: 8px 12px; font-size: 12px; }
  .landing-nav .login-btn svg { width: 12px; height: 12px; }

  .hero { padding: 48px 18px 40px; }
  .hero .eyebrow { font-size: 9.5px; padding: 5px 10px; margin-bottom: 20px; }
  .hero h1 { margin-bottom: 16px; }
  .hero .lead { font-size: 14px; margin-bottom: 28px; }
  .cta-primary { width: 100%; justify-content: center; padding: 13px 20px; font-size: 14px; }

  .features { padding: 0 16px 48px; }
  .feature { padding: 22px 18px; }

  .landing-foot { padding: 18px 16px; font-size: 11px; }
}

/* Very small phones */
@media (max-width: 360px) {
  .hero h1 { font-size: 24px; }
  .hero .lead { font-size: 13px; }
}