:root {
  --header-height: 64px;
}

/* =========================
   GLOBAL SAFETY (FIX OVERFLOW)
========================= */

html,
body {
  max-width: 100%;
  overflow-x: hidden;
}

/* =========================
   HEADER (DESKTOP / STICKY)
========================= */


/* =========================
   HEADER INNER
========================= */

.header-inner {
  max-width: 1280px;
  height: 64px;
  margin: 0 auto;
  padding: 0 4rem;

  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

/* =========================
   LOGO (GLOBAL – NO TOKENS)
========================= */

.logo {
  padding: 0.15rem 0.45rem;

  font-size: 1.6rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1;

  /* fallback color (always visible) */
  color: #6366f1;

  background: linear-gradient(
    135deg,
    #6366f1,
    #60a5fa
  );

  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* =========================
   MAIN NAVIGATION
========================= */

.main-nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.main-nav a {
  font-size: 0.85rem;
  font-weight: 500;
  padding: 0.45rem 0.9rem;

  border-radius: 999px;
  color: #64748b;

  transition: background 120ms ease, color 120ms ease;
}

.main-nav a:hover {
  background: rgba(99, 102, 241, 0.12);
  color: #6366f1;
}

/* =========================
   SECTION HEADER
========================= */

.section-header {
  margin-bottom: 0.9rem;
}

/* =========================
   HEADER (MOBILE / NON-STICKY)
========================= */

@media (max-width: 768px) {

  .site-header,
  #site-header {
    position: static;
  }

  /* =========================
     HEADER INNER (MOBILE)
  ========================= */

  .header-inner {
    height: auto;
    max-width: 100%;
    padding: 0.75rem 1rem;

    display: grid;
    grid-template-columns: 1fr;
    gap: 0.75rem;

    justify-items: center;
    text-align: center;
  }

  /* =========================
     MAIN NAV (HIDDEN)
  ========================= */

  .main-nav {
    display: none !important;
  }

}

/* =========================
   🔑 PAGE HEIGHT FIX (CRITICAL)
========================= */

html,
body {
  height: 100%;
}

body {
  display: flex;
  flex-direction: column;
}

/* =========================
   HERO
========================= */

.hero {
  background: radial-gradient(
    120% 120% at 100% 0%,
    #eef2ff 0%,
    #f9fafb 60%
  );
}

.hero-inner {
  max-width: 90%;
  margin: 0 auto;
  padding: 2rem 1.25rem 1.5rem;

  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 2rem;
}

/* =========================
   MAIN CONTENT
========================= */

.page-content {
  width: 100%;
  max-width: 90%;
  margin: 0 auto;
  padding: 1.4rem 1.25rem 4rem;
  flex: 1;
}

/* =========================
   SECTIONS
========================= */

.section {
  margin-top: 2.6rem;
}

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

.site-footer {
  background: #ffffff;
  border-top: 1px dashed #6d6b68;
  margin-top: auto;
}

.footer-inner {
  max-width: 90%;
  margin: 0 auto;
  padding: 0.75rem 1.25rem;

  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-nav {
  display: flex;
  gap: 1.25rem;
}

.footer-nav a {
  white-space: nowrap;
}

/* =========================
   TABLET
========================= */

@media (max-width: 900px) {
  .hero-inner {
    padding: 1.8rem 1.25rem 1.2rem;
  }

  .page-content {
    padding: 1.2rem 1.25rem 3rem;
  }
}

/* =========================
   MOBILE (FINAL FIX)
========================= */

@media (max-width: 640px) {

  html,
  body {
    max-width: 100%;
    overflow-x: hidden;
  }

  .hero-inner {
    max-width: 100%;
    grid-template-columns: 1fr !important;
    gap: 1.25rem;
  }

  .hero-inner > * {
    max-width: 100%;
  }

  .page-content,
  .footer-inner {
    max-width: 100%;
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .footer-inner {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }
}