/* =========================================
    HEADER: NAVBAR + HERO SECTION
    File: header.css
  ========================================= */

/* =========================
    NAVBAR BASE
  ========================= */
.navbar {
    background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.01),
    rgba(255, 255, 255, 0)
  );
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: var(--max-width);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 28px;
  backdrop-filter: blur(16px);
  border-radius: var(--radius-base);
  box-shadow: var(--shadow-base);
  z-index: 9999;
  transition: all var(--transition-smooth);
}

/* Brand */
.nav-brand {
  display: flex;
  flex-direction: column;
  gap: 2px;
  align-items: flex-start;
}
.nav-brand .logo-glow {
  font-weight: 800;
  color: var(--color-accent);
  letter-spacing: 1px;
  font-size: 1.1rem;
}
.nav-brand .logo-glow .accent-alt {
  color: var(--color-accent-alt);
}
.nav-brand .tagline {
  font-size: 11px;
  color: var(--color-muted);
}

/* Center navigation buttons */
.nav-center {
  display: flex;
  gap: var(--gap-sm);
  justify-content: center;
  flex: 1;
  transition: max-height 0.3s ease;
  overflow: hidden;
}
.nav-btn {
  background: transparent;
  border: 0;
  padding: 8px 12px;
  color: inherit;
  font-weight: 600;
  border-radius: var(--radius-small);
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-fast);
}
.nav-btn:hover {
  transform: translateY(-2px);
  color: var(--color-accent);
}
.nav-btn.active {
  color: var(--color-accent-alt);
  box-shadow: inset 0 -3px 0 var(--color-accent-alt);
}

/* Right controls (theme toggle etc.) */
.nav-controls {
  display: flex;
  align-items: center;
  gap: var(--gap-xs);
}
.icon-btn {
  background: transparent;
  border: 0;
  color: inherit;
  font-size: 16px;
  padding: 8px;
  border-radius: var(--radius-small);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-normal);
}
.icon-btn:hover {
  transform: translateY(-2px) scale(1.1);
  color: var(--color-accent);
  box-shadow: var(--color-neon-shadow);
}

/* Hamburger for mobile */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 4px;
  cursor: pointer;
}
.hamburger span {
  width: 24px;
  height: 3px;
  background: var(--color-accent);
  border-radius: 2px;
  transition: all 0.3s ease;
}
.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translateY(6px);
}
.hamburger.active span:nth-child(2) {
  opacity: 0;
}
.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translateY(-6px);
}

/* =========================
    HERO SECTION
  ========================== */
.hero {
  display: flex;
  gap: var(--gap-md);
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  padding: 28px;
  max-width: var(--max-width);
  margin: 10px auto;
  border-radius: var(--radius-base);
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.01),
    rgba(255, 255, 255, 0)
  );
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
  position: relative;
  z-index: 1;
}
.hero-inner {
  flex: 1 1 300px;
  position: relative;
  z-index: 1;
}
.hero-art {
  flex: 1 1 280px;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  margin-top: 20px;
  position: relative;
  z-index: 1;
}
.hero-img-box {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 4px;
  border-radius: 18px;
  background: linear-gradient(
    90deg,
    var(--color-accent),
    var(--color-accent-alt)
  );
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.5), 0 0 30px rgba(107, 92, 255, 0.3),
    0 0 18px rgba(255, 0, 102, 0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.hero-img-box:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 10px 30px rgba(107, 92, 255, 0.35),
    0 0 40px rgba(255, 0, 102, 0.25);
}
.hero-img {
  width: 100%;
  max-width: 320px;
  border-radius: 16px;
  object-fit: cover;
}
.hero h1 {
  font-size: 2rem;
  color: var(--color-accent);
  margin-bottom: 6px;
}
.hero p {
  color: var(--color-muted);
  margin-bottom: 14px;
}
.hero-actions {
  display: flex;
  gap: var(--gap-sm);
  flex-wrap: wrap;
}

/* =========================
    RESPONSIVE
  ========================== */
@media (max-width: 900px) {
  .nav-center {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    flex-direction: column;
    gap: 8px;
    background: var(--color-panel);
    backdrop-filter: blur(14px);
    padding: 12px;
    border-radius: 0 0 var(--radius-base) var(--radius-base);
    max-height: 0;
    overflow: hidden;
  }
  .nav-center.open {
    max-height: 500px;
  }
  .nav-btn,
  .icon-btn {
    width: 100%;
    text-align: center;
  }
  .nav-controls {
    justify-content: center;
    margin-top: 8px;
  }
  .nav-brand {
    width: 100%;
    align-items: center;
  }
}
@media (max-width: 500px) {
  .hero {
    padding: 20px;
  }
  .hero h1 {
    font-size: 1.6rem;
  }
  .hero p {
    font-size: 0.95rem;
  }
  .hamburger span {
    width: 20px;
  }
}

@media (max-width: 900px) {
  .hamburger {
    display: flex; /* الان توی موبایل نمایش داده میشه */
  }
}