:root {
  --nav-height: 82px;
  --nav-bg: rgba(255,255,255,0.96);
  --nav-border: rgba(15, 23, 42, 0.08);
  --nav-text: #102a43;
  --nav-muted: #52667a;
  --nav-accent: #ff5f7f;
  --nav-accent-soft: rgba(255,95,127,0.12);
  --nav-shadow: 0 18px 80px rgba(15, 23, 42, 0.08);
}

.navbar {
  position: fixed;
  inset: 0 0 auto 0;
  width: 100%;
  height: var(--nav-height);
  z-index: 2000;
  display: flex;
  align-items: center;
  background: var(--nav-bg);
  border-bottom: 1px solid var(--nav-border);
  padding: 0 6%;
  backdrop-filter: blur(14px);
  box-shadow: var(--nav-shadow);
  transition: transform 0.28s ease, background-color 0.28s ease, box-shadow 0.28s ease;
}

.navbar.scrolled {
  background: rgba(255,255,255,0.98);
  box-shadow: 0 20px 60px rgba(15, 23, 42, 0.1);
}

.nav-inner {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.logo-icon {
  width: 46px;
  height: auto;
  display: block;
  border-radius: 16px;
  background: rgba(255,255,255,0.95);
  padding: 8px;
}

.brand-copy {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--nav-text);
  letter-spacing: -0.4px;
}

.brand-tagline {
  font-size: 0.72rem;
  color: var(--nav-muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-menu {
  display: flex;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
  align-items: center;
}

.nav-menu a,
.dropbtn {
  text-decoration: none;
  color: var(--nav-text);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: color 0.24s ease;
  white-space: nowrap;
  padding: 8px 0;
  background: none;
  border: none;
  cursor: pointer;
  position: relative;
}

.nav-menu a:hover,
.nav-menu a.active,
.dropbtn:hover,
.dropbtn.open {
  color: var(--nav-accent);
}

.nav-menu a::after,
.dropbtn::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 0;
  width: 0;
  height: 3px;
  border-radius: 999px;
  background: var(--nav-accent);
  transition: width 0.24s ease;
}

.nav-menu a:hover::after,
.nav-menu a.active::after,
.dropbtn.open::after {
  width: 100%;
}

.dropdown {
  position: relative;
}

.dropbtn::after {
  content: '▾';
  margin-left: 6px;
  display: inline-block;
  font-size: 0.75rem;
  transition: transform 0.28s ease;
}

.dropbtn.open::after,
.dropdown:hover .dropbtn::after {
  transform: rotate(180deg);
}

.dropdown-content {
  position: absolute;
  top: calc(100% + 14px);
  left: 0;
  width: 420px;
  background: #ffffff;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 18px;
  box-shadow: 0 30px 70px rgba(15, 23, 42, 0.12);
  padding: 24px;
  display: none;
  visibility: hidden;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.22s ease, transform 0.22s ease;
  z-index: 1000;
}

.dropdown:hover .dropdown-content,
.dropdown.open .dropdown-content {
  display: block;
  visibility: visible;
  opacity: 1;
  transform: translateY(0);
}

.dropdown-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(120px, 1fr));
  gap: 18px;
}

.dropdown-grid h4 {
  margin: 0 0 12px;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--nav-muted);
}

.dropdown-content a {
  display: block;
  color: var(--nav-text);
  text-decoration: none;
  font-size: 0.95rem;
  padding: 10px 0;
  transition: color 0.22s ease;
}

.dropdown-content a:hover {
  color: var(--nav-accent);
}

.portfolio-menu {
  width: 240px;
  padding: 16px 18px;
  display: grid;
  gap: 10px;
}

.portfolio-menu a {
  display: block;
  color: var(--nav-text);
  padding: 10px 0;
  border-bottom: 1px solid rgba(15, 23, 42, 0.06);
}

.portfolio-menu a:last-child {
  border-bottom: none;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-auth {
  display: none;
}

.nav-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.32);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.28s ease, visibility 0.28s ease;
  z-index: 1980;
}

.nav-backdrop.open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.btn {
  font-weight: 700;
  border-radius: 999px;
  text-decoration: none;
  transition: transform 0.22s ease, background-color 0.22s ease, box-shadow 0.22s ease;
}

.btn-contact,
.btn-phone {
  padding: 12px 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-contact {
  background: var(--nav-accent);
  color: #ffffff;
  box-shadow: 0 16px 32px rgba(255,95,127,0.18);
}

.btn-contact:hover {
  background: #ec4a76;
  transform: translateY(-1px);
}

.btn-phone {
  background: var(--nav-accent-soft);
  color: var(--nav-accent);
  border: 1px solid rgba(255,95,127,0.18);
}

.btn-phone:hover {
  background: rgba(255,95,127,0.18);
}

.hamburger {
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 6px;
  width: 48px;
  height: 48px;
  padding: 10px;
  border: none;
  border-radius: 999px;
  background: rgba(255,255,255,0.72);
  box-shadow: 0 10px 24px rgba(15,23,42,0.08);
  cursor: pointer;
  transition: background 0.28s ease, transform 0.28s ease, box-shadow 0.28s ease;
}

.hamburger:hover {
  background: rgba(255,255,255,0.9);
}

.hamburger.active {
  background: var(--nav-accent-soft);
  transform: scale(1.02);
}

.hamburger span {
  width: 26px;
  height: 3px;
  background: var(--nav-text);
  border-radius: 999px;
  transition: transform 0.28s ease, opacity 0.28s ease, background 0.28s ease;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(4px, 4px);
  background: var(--nav-accent);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(4px, -4px);
  background: var(--nav-accent);
}

@media (max-width: 968px) {
  .navbar {
    padding: 0 5%;
  }

  .nav-links {
    position: fixed;
    inset: var(--nav-height) auto 0 auto;
    right: 0;
    width: 320px;
    max-width: 100%;
    height: calc(100vh - var(--nav-height));
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(18px);
    border-left: 1px solid rgba(15, 23, 42, 0.08);
    transform: translateX(100%);
    transition: transform 0.28s ease;
    flex-direction: column;
    padding: 28px 24px;
    overflow-y: auto;
    z-index: 1999;
  }

  .nav-links.open {
    transform: translateX(0);
  }

  .nav-menu {
    flex-direction: column;
    gap: 0;
    width: 100%;
  }

  .nav-menu li {
    width: 100%;
    border-bottom: 1px solid rgba(15, 23, 42, 0.08);
  }

  .nav-menu a,
  .dropbtn {
    display: block;
    width: 100%;
    padding: 18px 0;
    color: var(--nav-text);
  }

  .dropdown-content {
    position: static;
    width: 100%;
    border: none;
    box-shadow: none;
    padding: 0;
    margin: 0;
    background: transparent;
    visibility: hidden;
    display: none;
    opacity: 1;
    transform: none;
  }

  .dropdown.open .dropdown-content {
    display: flex;
    visibility: visible;
    flex-direction: column;
    gap: 0;
  }

  .dropdown-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
  }

  .dropdown-grid h4 {
    padding: 16px 0 8px;
  }

  .dropdown-content a {
    padding: 14px 0 14px 18px;
    border-bottom: 1px solid rgba(15, 23, 42, 0.06);
  }

  .portfolio-menu {
    width: 100%;
    padding: 0;
    gap: 0;
  }

  .portfolio-menu a {
    padding: 14px 0 14px 18px;
    border-bottom: 1px solid rgba(15, 23, 42, 0.06);
  }

  .nav-actions {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-top: 24px;
  }

  .btn-contact,
  .btn-phone {
    width: 100%;
    padding: 15px 0;
    font-size: 1rem;
  }

  .hamburger {
    display: flex;
  }
}