/* ==========================================================================
   Navbar
   ========================================================================== */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--navbar-height);
  transition: background-color var(--transition-normal) ease,
              box-shadow var(--transition-normal) ease,
              backdrop-filter var(--transition-normal) ease;
}

.navbar--solid {
  background-color: var(--color-surface);
  box-shadow: var(--shadow-navbar);
}

/* Home page transparent state — renders over dark hero */
.navbar--transparent {
  background-color: transparent;
}

.navbar--transparent:not(.navbar--scrolled) .nav-link,
.navbar--transparent:not(.navbar--scrolled) .navbar__brand-text {
  color: rgba(255,255,255,.85);
}

.navbar--transparent:not(.navbar--scrolled) .hamburger span {
  background-color: #fff;
}

/* Scrolled: glass nav */
.navbar--transparent.navbar--scrolled {
  background-color: rgba(10, 28, 22, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(76,175,80,.12);
  box-shadow: 0 1px 12px rgba(0,0,0,.25);
}

[data-theme="dark"] .navbar--solid {
  background-color: rgba(10, 28, 22, 0.95);
  border-bottom: 1px solid rgba(76,175,80,.12);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: var(--space-5);
}

.navbar__brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

.navbar__brand-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  box-shadow:
    0 4px 6px rgba(0,0,0,.25),
    0 1px 3px rgba(0,0,0,.15),
    inset 0 1px 0 rgba(255,255,255,.2);
  transform: perspective(500px) rotateY(-5deg) rotateX(3deg);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.navbar__brand-icon:hover {
  transform: perspective(500px) rotateY(0deg) rotateX(0deg) scale(1.05);
  box-shadow:
    0 8px 15px rgba(0,0,0,.3),
    0 3px 6px rgba(0,0,0,.2),
    inset 0 1px 0 rgba(255,255,255,.25);
}

.navbar__brand-text {
  font-size: 18px;
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  white-space: nowrap;
}

/* On transparent (dark hero) navbar the brand text should be white */
.navbar--transparent:not(.navbar--scrolled) .navbar__brand-text {
  color: #FFFFFF;
}

@media (max-width: 400px) {
  .navbar__brand-text { font-size: 15px; }
}

/* Nav menu */

.navbar__nav {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.navbar__links {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}

.nav-link {
  position: relative;
  font-size: var(--font-size-body-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  padding: var(--space-2) 0;
  transition: color var(--transition-fast) ease;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-primary);
}

.nav-link.active { font-weight: var(--font-weight-semibold); }

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  border-radius: 1px;
  transition: width var(--transition-normal) var(--ease-out);
}

.nav-link:hover::after,
.nav-link.active::after { width: 100%; }

/* On transparent navbar links are white */
.navbar--transparent:not(.navbar--scrolled) .nav-link {
  color: rgba(255,255,255,.75);
}
.navbar--transparent:not(.navbar--scrolled) .nav-link:hover,
.navbar--transparent:not(.navbar--scrolled) .nav-link.active {
  color: #4CAF50;
}

/* Navbar actions */

.navbar__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* Theme toggle */

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-circle);
  color: var(--color-text-secondary);
  transition: color var(--transition-fast) ease,
              background-color var(--transition-fast) ease;
}

.theme-toggle:hover {
  color: var(--color-primary);
  background-color: rgba(76,175,80,.1);
}

.theme-toggle svg { width: 20px; height: 20px; }

.theme-toggle .icon-moon,
[data-theme="dark"] .theme-toggle .icon-sun  { display: none; }
[data-theme="dark"] .theme-toggle .icon-moon { display: block; }

/* Hamburger */

.navbar__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
}

.navbar__hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-text-primary);
  border-radius: 2px;
  transition: transform var(--transition-normal) ease,
              opacity var(--transition-normal) ease;
}

.navbar--transparent:not(.navbar--scrolled) .navbar__hamburger span {
  background-color: #fff;
}

.navbar__hamburger.is-active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.navbar__hamburger.is-active span:nth-child(2) { opacity: 0; }
.navbar__hamburger.is-active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu */

@media (max-width: 768px) {
  .navbar__hamburger { display: flex; }

  .navbar__nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: min(320px, 85vw);
    height: 100vh;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-4);
    padding: calc(var(--navbar-height) + var(--space-5)) var(--space-5) var(--space-5);
    background-color: #0A1C16;
    border-left: 1px solid rgba(76,175,80,.15);
    box-shadow: -4px 0 24px rgba(0,0,0,.4);
    transition: right var(--transition-normal) var(--ease-out);
    z-index: 999;
    overflow-y: auto;
  }

  [data-theme="dark"] .navbar__nav {
    background-color: #060F0B;
  }

  .navbar__nav.is-open { right: 0; }

  .navbar__links {
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
    gap: 0;
  }

  .nav-link {
    display: block;
    width: 100%;
    padding: var(--space-3) 0;
    font-size: var(--font-size-body);
    border-bottom: 1px solid rgba(76,175,80,.1);
    color: rgba(255,255,255,.8);
  }

  .nav-link:hover,
  .nav-link.active { color: #4CAF50; }

  .navbar__actions {
    width: 100%;
    flex-direction: column;
    gap: var(--space-3);
    margin-top: var(--space-4);
  }

  .navbar__actions .btn {
    width: 100%;
    justify-content: center;
  }
}

.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background-color: rgba(0,0,0,.6);
  backdrop-filter: blur(4px);
  z-index: 998;
}

.nav-overlay.is-visible { display: block; }

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  font-family: var(--font-family);
  font-size: var(--font-size-button);
  font-weight: var(--font-weight-semibold);
  line-height: 1;
  border-radius: var(--radius-button);
  transition: transform var(--transition-fast) var(--ease-out),
              box-shadow var(--transition-fast) var(--ease-out),
              background var(--transition-fast) ease;
  white-space: nowrap;
  cursor: pointer;
}

.btn svg { width: 18px; height: 18px; flex-shrink: 0; }

.btn:hover  { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

/* Primary — green gradient */
.btn-primary {
  color: #FFFFFF;
  background: linear-gradient(135deg, #2E7D32 0%, #4CAF50 60%, #66BB6A 100%);
  box-shadow: var(--shadow-cta);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #1B5E20 0%, #388E3C 60%, #4CAF50 100%);
  box-shadow: 0 6px 24px rgba(76,175,80,.4);
}

/* Outline — white border on dark bg */
.btn-outline {
  color: rgba(255,255,255,.9);
  background: rgba(255,255,255,.06);
  border: 1.5px solid rgba(255,255,255,.25);
  backdrop-filter: blur(8px);
}

.btn-outline:hover {
  color: #fff;
  background: rgba(255,255,255,.12);
  border-color: rgba(255,255,255,.5);
}

/* White — used on dark banners */
.btn-white {
  color: #1B4D34;
  background-color: #FFFFFF;
  font-weight: var(--font-weight-bold);
}

.btn-white:hover {
  box-shadow: 0 6px 24px rgba(255,255,255,.25);
  transform: scale(1.04);
}

/* Small */
.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-body-sm);
}

/* ==========================================================================
   Cards
   ========================================================================== */

.card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: var(--space-6);
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-normal) var(--ease-out),
              box-shadow var(--transition-normal) var(--ease-out),
              border-color var(--transition-normal) ease;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(76,175,80,.35);
}

[data-theme="dark"] .card {
  background-color: rgba(15, 31, 24, 0.85);
  border-color: rgba(76,175,80,.1);
  backdrop-filter: blur(8px);
}

[data-theme="dark"] .card:hover {
  border-color: rgba(76,175,80,.3);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
  background: linear-gradient(160deg, #0A1C16 0%, #06120D 100%);
  color: #FFFFFF;
  padding-top: var(--space-8);
  padding-bottom: var(--space-6);
  border-top: 1px solid rgba(76,175,80,.12);
}

.footer__inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--space-7);
}

@media (max-width: 768px) {
  .footer__inner { grid-template-columns: 1fr 1fr; gap: var(--space-6); }
}

@media (max-width: 480px) {
  .footer__inner { grid-template-columns: 1fr; gap: var(--space-5); }
}

.footer__brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__brand-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.footer__brand-logo svg { width: 32px; height: 32px; }

.footer__brand-name {
  font-size: 18px;
  font-weight: var(--font-weight-bold);
}

.footer__brand-tagline {
  color: rgba(255,255,255,.5);
  font-size: var(--font-size-body-sm);
}

.footer__heading {
  font-size: var(--font-size-body-sm);
  font-weight: var(--font-weight-semibold);
  color: rgba(255,255,255,.45);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__link {
  color: rgba(255,255,255,.6);
  font-size: var(--font-size-body-sm);
  transition: color var(--transition-fast) ease;
}

.footer__link:hover {
  color: #4CAF50;
  text-decoration: none;
}

.footer__divider {
  grid-column: 1 / -1;
  border: none;
  border-top: 1px solid rgba(255,255,255,.08);
  margin-block: var(--space-4);
}

.footer__bottom {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-3);
  color: rgba(255,255,255,.35);
  font-size: var(--font-size-body-sm);
}

@media (max-width: 480px) {
  .footer__bottom { flex-direction: column; text-align: center; }
}

/* ==========================================================================
   Form Elements
   ========================================================================== */

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-label {
  font-size: var(--font-size-body-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-family);
  font-size: var(--font-size-body);
  color: var(--color-text-primary);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-input);
  outline: none;
  transition: border-color var(--transition-fast) ease,
              box-shadow var(--transition-fast) ease;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(76,175,80,.15);
}

.form-input::placeholder,
.form-textarea::placeholder { color: var(--color-text-secondary); }

.form-textarea {
  resize: vertical;
  min-height: 140px;
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23757575' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 40px;
}

.form-error {
  font-size: var(--font-size-caption);
  color: var(--color-error);
  display: none;
}

.form-group.has-error .form-input,
.form-group.has-error .form-select,
.form-group.has-error .form-textarea {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px rgba(244,67,54,.1);
}

.form-group.has-error .form-error { display: block; }

/* ==========================================================================
   Page Header (Legal & Contact pages)
   ========================================================================== */

.page-header {
  background: linear-gradient(160deg, #0A1C16 0%, #12281F 60%, #1B4D34 100%);
  padding: calc(var(--navbar-height) + var(--space-8)) 0 var(--space-8);
  text-align: center;
  border-bottom: 1px solid rgba(76,175,80,.12);
}

.page-header h1 {
  color: #FFFFFF;
  font-size: clamp(32px, 4vw, 48px);
  margin-bottom: var(--space-3);
}

.page-header p {
  color: rgba(255,255,255,.6);
  font-size: var(--font-size-body);
}