/* ========================================
   NAVBAR — Professional Responsive Redesign
   ======================================== */

/* Base navbar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--color-light);
  border-bottom: 1px solid var(--color-border-light);
  box-shadow: var(--shadow-xs);
  transition: var(--transition-base);
}

.navbar--scrolled {
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
  border-bottom-color: var(--color-border);
}

/* Container — full-width, centered, max-width */
.navbar__container {
  width: min(100% - 40px, 1440px);
  margin-inline: auto;
  padding-inline: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .navbar__container {
    padding-inline: 48px;
  }
}

/* Logo */
.navbar__logo {
  display: block;
  flex-shrink: 0;
  transition: opacity 0.2s ease;
}

.navbar__logo:hover {
  opacity: 0.9;
}

.navbar__logo-img {
  height: 44px;
  width: auto;
  display: block;
  transition: transform 0.3s ease;
}

.navbar__logo:hover .navbar__logo-img {
  transform: scale(1.02);
}

/* ========================================
   Desktop Menu (Default)
   ======================================== */
.navbar__menu {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: nowrap;
  margin: 0;
  padding: 0;
  list-style: none;
}

.navbar__item {
  flex-shrink: 0;
  list-style: none;
}

/* Links — never wrap, never shrink */
.navbar__link {
  color: var(--color-text);
  font-weight: var(--font-weight-medium);
  font-size: 0.95rem;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.25s ease, padding 0.25s ease;
  padding: 10px 0;
  letter-spacing: -0.01em;
  position: relative;
}

.navbar__link:hover,
.navbar__link:focus {
  color: var(--color-primary);
}

.navbar__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width 0.25s ease;
}

.navbar__link:hover::after,
.navbar__link:focus::after {
  width: 100%;
}

/* CTA separator */
.navbar__item--cta {
  margin-inline-start: 1.5rem;
  position: relative;
  flex-shrink: 0;
}

.navbar__item--cta::before {
  content: '';
  position: absolute;
  left: -0.75rem;
  top: 50%;
  transform: translateY(-50%);
  width: 1px;
  height: 24px;
  background: var(--color-border-light);
}

/* ========================================
   Premium CTA Button
   ======================================== */
.btn--nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--color-primary);
  color: var(--color-text-light);
  border: 1px solid var(--color-primary);
  border-radius: 9999px;
  padding: 0.65rem 1.75rem;
  font-size: 0.95rem;
  font-weight: var(--font-weight-semibold);
  letter-spacing: -0.01em;
  cursor: pointer;
  text-decoration: none;
  box-shadow: 0 2px 12px rgba(0, 102, 45, 0.15);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  min-height: 44px;
  font-family: inherit;
  white-space: nowrap;
}

.btn--nav-cta:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  box-shadow: 0 4px 20px rgba(0, 102, 45, 0.25);
  transform: translateY(-1px);
}

.btn--nav-cta:focus-visible {
  outline: 2px solid var(--color-primary-light);
  outline-offset: 2px;
}

/* Arrow icon */
.btn--nav-cta i[data-lucide] {
  width: 16px;
  height: 16px;
  opacity: 0.6;
  transition: opacity 0.3s ease, transform 0.3s ease;
  flex-shrink: 0;
}

.btn--nav-cta:hover i[data-lucide] {
  opacity: 1;
  transform: translateX(3px);
}

/* ========================================
   Toggle Button — Hidden by default
   ======================================== */
.navbar__toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 48px;
  height: 48px;
  background: none;
  cursor: pointer;
  padding: 0;
  z-index: 1001;
  border: none;
  transition: var(--transition-base);
  -webkit-tap-highlight-color: transparent;
}

.navbar__toggle:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: 6px;
}

/* Visible when JS detects overflow */
.navbar__toggle--visible {
  display: flex;
}

.navbar__toggle-bar {
  display: block;
  width: 100%;
  height: 2.5px;
  background-color: var(--color-text);
  border-radius: 2px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  opacity: 1;
  position: relative;
}

/* Hamburger to X */
.navbar__toggle--open .navbar__toggle-bar:nth-child(1) {
  transform: translateY(10px) rotate(45deg);
}

.navbar__toggle--open .navbar__toggle-bar:nth-child(2) {
  opacity: 0;
}

.navbar__toggle--open .navbar__toggle-bar:nth-child(3) {
  transform: translateY(-10px) rotate(-45deg);
}

/* Overlay */
.navbar__overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  z-index: 998;
}

.navbar__overlay--active {
  opacity: 1;
  visibility: visible;
}

/* ========================================
   Mobile Mode — Applied by JS on overflow
   ======================================== */
.navbar__menu--mobile {
  position: fixed;
  top: 0;
  right: -100%;
  width: 85%;
  max-width: 320px;
  height: 100vh;
  height: 100dvh;
  flex-direction: column;
  background: var(--color-light);
  border-left: 1px solid var(--color-border-light);
  box-shadow: var(--shadow-xl);
  gap: 0;
  margin: 0;
  padding: 5rem 1.25rem 2.5rem;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  z-index: 1000;
  pointer-events: none;
  transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.navbar__menu--mobile.navbar__menu--open {
  right: 0;
  pointer-events: auto;
}

.navbar__menu--mobile .navbar__item {
  margin-bottom: 1rem;
  width: 100%;
}

.navbar__menu--mobile .navbar__item:last-child {
  margin-bottom: 0;
}

.navbar__menu--mobile .navbar__link {
  display: block;
  padding: 12px 0;
  font-size: 1.1rem;
  white-space: nowrap;
}

.navbar__menu--mobile .navbar__link:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: 4px;
}

/* CTA in mobile menu */
.navbar__menu--mobile .navbar__item--cta {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border-light);
  margin-inline-start: 0;
  width: 100%;
}

.navbar__menu--mobile .navbar__item--cta::before {
  display: none;
}

.navbar__menu--mobile .btn--nav-cta {
  width: 100%;
  padding: 0.85rem 1.75rem;
  font-size: 1rem;
  justify-content: center;
}

.navbar__menu--mobile .btn--nav-cta i[data-lucide] {
  opacity: 1;
}

/* Prevent horizontal scroll in mobile mode */
.navbar__menu--mobile {
  box-sizing: border-box;
}

/* ========================================
   Progressive Compression — Desktop
   ======================================== */

/* 1440px — comfortable */
@media (max-width: 1440px) {
  .navbar__container {
    padding-inline: 32px;
  }
  .navbar__menu {
    gap: 1.25rem;
  }
}

/* 1280px — tighter */
@media (max-width: 1280px) {
  .navbar__container {
    padding-inline: 24px;
    height: 68px;
  }
  .navbar__menu {
    gap: 1rem;
  }
  .navbar__link,
  .btn--nav-cta {
    font-size: 0.9rem;
  }
  .navbar__logo-img {
    height: 40px;
  }
  .navbar__item--cta {
    margin-inline-start: 1.25rem;
  }
  .btn--nav-cta {
    padding: 0.6rem 1.5rem;
  }
}

/* 1152px — tighter */
@media (max-width: 1152px) {
  .navbar__menu {
    gap: 0.875rem;
  }
  .navbar__link,
  .btn--nav-cta {
    font-size: 0.875rem;
  }
  .navbar__item--cta {
    margin-inline-start: 1rem;
  }
  .btn--nav-cta {
    padding: 0.55rem 1.35rem;
    font-size: 0.875rem;
  }
  .navbar__container {
    height: 64px;
  }
  .navbar__logo-img {
    height: 38px;
  }
}

/* 1024px — tightest desktop */
@media (max-width: 1024px) {
  .navbar__menu {
    gap: 0.75rem;
  }
  .navbar__link {
    font-size: 0.85rem;
    padding: 8px 0;
  }
  .btn--nav-cta {
    padding: 0.5rem 1.25rem;
    font-size: 0.85rem;
    gap: 0.4rem;
  }
  .navbar__item--cta {
    margin-inline-start: 0.75rem;
  }
  .navbar__container {
    height: 60px;
    padding-inline: 20px;
  }
  .navbar__logo-img {
    height: 34px;
  }
}

/* ========================================
   Specific Mobile Breakpoints
   ======================================== */

/* Large mobile / small tablet */
@media (max-width: 480px) {
  .navbar__container {
    height: 56px;
    padding-inline: 16px;
  }
  .navbar__logo-img {
    height: 32px;
  }
  .navbar__menu--mobile {
    width: 100%;
    max-width: 100%;
    padding: 4.5rem 1rem 2rem;
  }
  .navbar__menu--mobile .navbar__link {
    font-size: 1.05rem;
  }
}

/* iPhone SE / small phones */
@media (max-width: 390px) {
  .navbar__container {
    height: 52px;
    padding-inline: 12px;
  }
  .navbar__logo-img {
    height: 28px;
  }
}

/* Very small screens */
@media (max-width: 360px) {
  .navbar__container {
    height: 48px;
  }
  .navbar__logo-img {
    height: 26px;
  }
  .navbar__menu--mobile {
    padding: 4rem 0.75rem 1.5rem;
  }
  .navbar__menu--mobile .navbar__link {
    font-size: 1rem;
    padding: 10px 0;
  }
}

/* ========================================
   Accessibility
   ======================================== */
@media (prefers-reduced-motion: reduce) {
  .navbar__logo:hover .navbar__logo-img {
    transform: none;
  }
  .navbar__link::after,
  .btn--nav-cta i[data-lucide] {
    transition: none;
  }
  .btn--nav-cta:hover {
    transform: none;
  }
  .btn--nav-cta:hover i[data-lucide] {
    transform: none;
  }
  .navbar__toggle-bar {
    transition: none;
  }
  .navbar__overlay {
    transition: none;
  }
  .navbar__menu--mobile {
    transition: none;
  }
}