/* Navbar background */
.navbar-custom {
    background: linear-gradient(90deg, #0b0b0f, #12121a);
    padding: 8px 30px;
}

/* Logo */
.navbar-brand {
    font-size: 32px;
    font-weight: 800;
    color: white;
}
.navbar-brand span {
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 2px;
}

/* Center menu */
.nav-link {
    color: #b5b5b5 !important;
    font-weight: 500;
    margin: 0 10px;
    position: relative;
}

/* Active underline */
.nav-link.active {
    color: white !important;
}
.nav-link.active::after {
    content: "";
    width: 100%;
    height: 2px;
    background: white;
    position: absolute;
    left: 0;
    bottom: -6px;
}

/* Sign In button */
.btn-signin {
    border-radius: 25px;
    padding: 6px 18px;
    border: 1px solid #666;
    color: white;
    background: transparent;
}
.btn-signin:hover {
    background: white;
    color: black;
}

/* ===============================
   AI ETHICS SECTION
================================ */

.ethics-section {
    background: radial-gradient(circle at top, #11131a, #000);
    color: #ffffff;
    padding: 120px 0;
}

.ethics-header {
    margin-bottom: 60px;
}

.ethics-title {
    font-size: 44px;
    font-weight: 800;
}

.ethics-subtitle {
    color: #bdbdbd;
    font-size: 16px;
    margin-top: 10px;
}

.ethics-updated {
    font-size: 13px;
    color: #777;
    margin-top: 6px;
}

/* CARDS */

.ethics-card {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 14px;
    padding: 24px;
    height: 100%;
}

.ethics-card h5 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 12px;
}

.ethics-card p {
    font-size: 14px;
    line-height: 1.7;
    color: #cfcfcf;
}

/* FINAL PROMISE */

.ethics-final {
    margin-top: 80px;
    text-align: center;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 18px;
    padding: 45px 30px;
}

.ethics-final h4 {
    font-size: 22px;
    margin-bottom: 15px;
}

.ethics-final p {
    max-width: 720px;
    margin: 0 auto 20px;
    font-size: 14px;
    color: #cfcfcf;
}

.ethics-final span {
    font-size: 11px;
    letter-spacing: 2px;
    color: #9a9a9a;
}

/* Footer Section */

/* ===== FOOTER BASE ===== */
.footer-section {
  background: radial-gradient(120% 120% at 50% 0%, #161620 0%, #050508 55%);
  color: #a6a6b3;
  padding-top: 96px;
  padding-bottom: 32px;
}

/* ===== BRAND ===== */
.footer-logo {
  font-size: 34px;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: #ffffff;
}

.footer-desc {
  font-size: 15px;
  line-height: 1.75;
  margin-top: 18px;
  max-width: 380px;
  color: #9b9bac;
}

/* ===== COLUMN HEADERS ===== */
.footer-title {
  font-size: 13px;
  letter-spacing: 2.4px;
  font-weight: 600;
  margin-bottom: 18px;
  color: #ffffff;
}

/* ===== LINKS ===== */
.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: 14px;
}

.footer-links a {
  font-size: 15px;
  font-weight: 400;
  color: #9b9bac;
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: #ffffff;
}

/* ===== SOCIAL ICONS ===== */
.social-icons {
  display: flex;
  gap: 14px;
  margin-top: 26px;
}

.social-icons a {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: #ffffff;
  transition: all 0.25s ease;
}

.social-icons a:hover {
  background: #ffffff;
  color: #000;
  transform: translateY(-2px);
}

/* ===== DIVIDER ===== */
.footer-divider {
  margin-top: 72px;
  margin-bottom: 28px;
  border-color: rgba(255,255,255,0.08);
}

/* ===== BOTTOM BAR ===== */
.footer-copy,
.footer-built {
  font-size: 14px;
  color: #8b8b99;
}

.footer-built strong {
  color: #ffffff;
  font-weight: 600;
}

/* ===== RESPONSIVE TUNING ===== */
@media (max-width: 768px) {
  .footer-section {
    padding-top: 72px;
  }

  .footer-logo {
    font-size: 30px;
  }

  .footer-desc {
    max-width: 100%;
  }

  .footer-divider {
    margin-top: 56px;
  }
}
/* =========================
   NAVBAR RESPONSIVE FIX
========================= */

@media (max-width: 991px) {
    .navbar-collapse {
        background: #0b0b0f;
        padding: 20px;
        border-radius: 14px;
        margin-top: 12px;
    }

    .navbar-nav {
        text-align: center;
    }

    .nav-link {
        margin: 12px 0;
        font-size: 16px;
    }

    .signin-wrapper {
        width: 100%;
        margin-top: 16px;
        text-align: center;
    }

    .btn-signin {
        width: 100%;
        padding: 10px;
    }
}
/* =========================
   ETHICS HEADER RESPONSIVE
========================= */

@media (max-width: 992px) {
    .ethics-title {
        font-size: 36px;
    }

    .ethics-subtitle {
        font-size: 15px;
        padding: 0 15px;
    }

    .ethics-section {
        padding: 90px 0;
    }
}

@media (max-width: 576px) {
    .ethics-title {
        font-size: 28px;
    }

    .ethics-updated {
        font-size: 12px;
    }
}
/* =========================
   ETHICS CARDS RESPONSIVE
========================= */

@media (max-width: 768px) {
    .ethics-card {
        padding: 20px;
    }

    .ethics-card h5 {
        font-size: 15px;
    }

    .ethics-card p {
        font-size: 13px;
    }
}
@media (max-width: 576px) {
    .ethics-final {
        padding: 28px 20px;
    }

    .ethics-final h4 {
        font-size: 18px;
    }

    .ethics-final span {
        font-size: 10px;
    }
}
@media (max-width: 768px) {
    .footer-section {
        text-align: center;
    }

    .social-icons {
        justify-content: center;
    }
}