/* ═══════════════════════════════════════════════════════════════
   Cascade Dracaenas Nursery — Design System
   Premium wholesale dracaena nursery, Cairns QLD
   ═══════════════════════════════════════════════════════════════ */

/* ── Reset & Base ─────────────────────────────────────────── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  /* Colors */
  --green-900: #0f261d;
  --green-800: #1a3c2a;
  --green-700: #1f4d35;
  --green-600: #2d6b4a;
  --green-500: #3a8a60;
  --green-400: #52a87a;
  --green-300: #7bc49c;
  --green-200: #b0dcc1;
  --green-100: #dff0e6;
  --gold-600: #a8892e;
  --gold-500: #c8a951;
  --gold-400: #d4b96a;
  --gold-300: #e2cc8f;
  --gold-200: #f0e4b8;
  --cream: #faf8f4;
  --cream-dark: #f2ede4;
  --white: #ffffff;
  --text-dark: #1a1a1a;
  --text-body: #3a3a3a;
  --text-muted: #6b6b6b;
  --text-light: #8a8a8a;
  --border-light: #e5e0d8;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
  --shadow-xl: 0 16px 50px rgba(0,0,0,0.15);

  /* Typography */
  --font-heading: 'DM Serif Display', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  /* Layout */
  --max-width: 1200px;
  --nav-height: 72px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-body);
  background-color: var(--cream);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--green-700); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--gold-500); }
ul, ol { list-style: none; }

/* ── Typography ───────────────────────────────────────────── */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--text-dark);
  line-height: 1.2;
  font-weight: 400;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.5rem); margin-bottom: var(--space-lg); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.5rem); margin-bottom: var(--space-sm); }

p { margin-bottom: var(--space-md); }
p:last-child { margin-bottom: 0; }

.section-title {
  text-align: center;
  margin-bottom: var(--space-3xl);
}
.section-title h2 {
  margin-bottom: var(--space-sm);
}
.section-title p {
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
  font-size: 1.1rem;
}
.section-title .accent-line {
  width: 60px;
  height: 3px;
  background: var(--gold-500);
  margin: var(--space-md) auto 0;
  border-radius: 2px;
}

/* ── Container ─────────────────────────────────────────────── */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

/* ── Navigation ───────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 1000;
  transition: background var(--transition-base), box-shadow var(--transition-base);
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.97);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(10px);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav-brand {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  color: var(--white);
  transition: color var(--transition-base);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}
.nav-brand:hover { color: var(--gold-300); }

.nav-brand svg {
  width: 28px;
  height: 28px;
}

.navbar.scrolled .nav-brand {
  color: var(--green-800);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.9);
  letter-spacing: 0.02em;
  position: relative;
  padding: var(--space-xs) 0;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gold-500);
  transition: width var(--transition-base);
}
.nav-links a:hover { color: var(--white); }
.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }
.nav-links a.active { color: var(--white); }

.navbar.scrolled .nav-links a { color: var(--text-body); }
.navbar.scrolled .nav-links a:hover { color: var(--green-700); }

.nav-cta {
  background: var(--gold-500) !important;
  color: var(--white) !important;
  padding: 0.5rem 1.25rem !important;
  border-radius: 6px;
  font-weight: 600 !important;
  transition: background var(--transition-fast) !important;
}
.nav-cta::after { display: none !important; }
.nav-cta:hover {
  background: var(--gold-600) !important;
  color: var(--white) !important;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: var(--space-sm);
  background: none;
  border: none;
  z-index: 1001;
}
.hamburger span {
  width: 24px;
  height: 2px;
  background: var(--white);
  transition: var(--transition-base);
  border-radius: 2px;
}
.navbar.scrolled .hamburger span { background: var(--green-800); }
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ── Hero ──────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--green-900);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(15, 38, 29, 0.85) 0%,
    rgba(26, 60, 42, 0.7) 50%,
    rgba(15, 38, 29, 0.8) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: calc(var(--nav-height) + var(--space-4xl)) var(--space-xl) var(--space-4xl);
}

.hero-tag {
  display: inline-block;
  background: rgba(200, 169, 81, 0.15);
  border: 1px solid rgba(200, 169, 81, 0.3);
  color: var(--gold-400);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.4rem 1rem;
  border-radius: 4px;
  margin-bottom: var(--space-lg);
}

.hero h1 {
  color: var(--white);
  font-size: clamp(2.2rem, 5.5vw, 4rem);
  max-width: 700px;
  margin-bottom: var(--space-lg);
}

.hero p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.15rem;
  max-width: 550px;
  line-height: 1.8;
  margin-bottom: var(--space-2xl);
}

.hero-buttons {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

/* ── Buttons ───────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.75rem 1.75rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
}

.btn-primary {
  background: var(--gold-500);
  color: var(--white);
}
.btn-primary:hover {
  background: var(--gold-600);
  color: var(--white);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255, 255, 255, 0.4);
}
.btn-outline:hover {
  border-color: var(--white);
  color: var(--white);
  background: rgba(255, 255, 255, 0.05);
}

.btn-green {
  background: var(--green-700);
  color: var(--white);
}
.btn-green:hover {
  background: var(--green-800);
  color: var(--white);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-outline-green {
  background: transparent;
  color: var(--green-700);
  border: 2px solid var(--green-700);
}
.btn-outline-green:hover {
  background: var(--green-700);
  color: var(--white);
}

/* ── Section ───────────────────────────────────────────────── */
.section {
  padding: var(--space-4xl) 0;
}
.section-dark {
  background: var(--green-900);
  color: rgba(255, 255, 255, 0.9);
}
.section-dark h2, .section-dark h3 { color: var(--white); }
.section-dark p { color: rgba(255, 255, 255, 0.8); }
.section-alt {
  background: var(--cream-dark);
}

/* ── Intro (2-col) ──────────────────────────────────────────── */
.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}
.intro-text h2 { margin-bottom: var(--space-md); }
.intro-text p {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text-body);
  margin-bottom: var(--space-lg);
}
.intro-image {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4/3;
}
.intro-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ── Feature Cards ─────────────────────────────────────────── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-xl);
}

.feature-card {
  background: var(--white);
  border-radius: 12px;
  padding: var(--space-2xl);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  border: 1px solid var(--border-light);
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  background: var(--green-100);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
  color: var(--green-700);
}
.section-dark .feature-icon {
  background: rgba(255, 255, 255, 0.08);
  color: var(--gold-400);
}

.feature-card h3 { margin-bottom: var(--space-sm); }
.feature-card p { color: var(--text-muted); font-size: 0.95rem; }
.section-dark .feature-card {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.08);
}
.section-dark .feature-card p { color: rgba(255, 255, 255, 0.7); }

/* ── Plant Cards ────────────────────────────────────────────── */
.plants-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-xl);
}

.plant-card {
  background: var(--white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.plant-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.plant-card-img {
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--green-100);
}
.plant-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}
.plant-card:hover .plant-card-img img { transform: scale(1.05); }

.plant-card-body {
  padding: var(--space-lg);
}
.plant-card-body h3 { font-size: 1.2rem; margin-bottom: var(--space-xs); }
.plant-card-body .botanical {
  font-style: italic;
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: var(--space-sm);
}
.plant-card-body p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ── Gallery ──────────────────────────────────────────────── */
.gallery-grid {
  columns: 3 280px;
  column-gap: var(--space-md);
}

.gallery-item {
  break-inside: avoid;
  margin-bottom: var(--space-md);
  border-radius: 8px;
  overflow: hidden;
  cursor: pointer;
  position: relative;
}
.gallery-item img {
  width: 100%;
  display: block;
  transition: transform var(--transition-base), filter var(--transition-base);
}
.gallery-item:hover img {
  transform: scale(1.03);
  filter: brightness(1.05);
}
.gallery-item::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.3) 0%, transparent 40%);
  opacity: 0;
  transition: opacity var(--transition-base);
  pointer-events: none;
}
.gallery-item:hover::after { opacity: 1; }

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.95);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}
.lightbox.active { opacity: 1; visibility: visible; }

.lightbox-img {
  max-width: 90vw;
  max-height: 85vh;
  border-radius: 4px;
  box-shadow: 0 0 60px rgba(0,0,0,0.5);
  object-fit: contain;
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
  position: absolute;
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: var(--white);
  cursor: pointer;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast);
}
.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover { background: rgba(255, 255, 255, 0.2); }

.lightbox-close {
  top: 20px;
  right: 20px;
  width: 44px;
  height: 44px;
  font-size: 1.5rem;
}
.lightbox-prev, .lightbox-next {
  top: 50%;
  transform: translateY(-50%);
  width: 50px;
  height: 50px;
  font-size: 1.3rem;
}
.lightbox-prev { left: 20px; }
.lightbox-next { right: 20px; }

.lightbox-caption {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.9rem;
  text-align: center;
}

/* ── Contact ───────────────────────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-3xl);
  align-items: start;
}

.contact-info h3 { margin-bottom: var(--space-lg); }
.contact-detail {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
  align-items: flex-start;
}
.contact-detail svg {
  width: 20px;
  height: 20px;
  color: var(--green-600);
  flex-shrink: 0;
  margin-top: 3px;
}
.contact-detail-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 2px;
}
.contact-detail-value {
  font-weight: 500;
  color: var(--text-dark);
}

.contact-hours {
  margin-top: var(--space-xl);
  padding: var(--space-lg);
  background: var(--green-100);
  border-radius: 8px;
}
.contact-hours h4 {
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
  color: var(--green-800);
}
.contact-hours p {
  font-size: 0.9rem;
  color: var(--text-body);
}

/* Form */
.contact-form {
  background: var(--white);
  border-radius: 12px;
  padding: var(--space-2xl);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-light);
}

.contact-form h3 {
  margin-bottom: var(--space-xs);
}
.form-subtitle {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: var(--space-xl);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.form-group {
  margin-bottom: var(--space-lg);
}
.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-dark);
  margin-bottom: var(--space-xs);
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.7rem 0.9rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  border: 1.5px solid var(--border-light);
  border-radius: 8px;
  background: var(--cream);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  color: var(--text-dark);
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--green-500);
  box-shadow: 0 0 0 3px rgba(58, 138, 96, 0.15);
}
.form-group input.error,
.form-group textarea.error {
  border-color: #d44;
}
.form-group .error-msg {
  color: #c44;
  font-size: 0.8rem;
  margin-top: 4px;
  display: none;
}
.form-group input.error ~ .error-msg,
.form-group textarea.error ~ .error-msg { display: block; }

.form-group textarea { resize: vertical; min-height: 120px; }

/* Checkbox group */
.checkbox-group {
  margin-bottom: var(--space-lg);
}
.checkbox-group label.field-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-dark);
  margin-bottom: var(--space-sm);
}
.checkbox-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
}
.checkbox-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.9rem;
  color: var(--text-body);
  cursor: pointer;
}
.checkbox-item input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--green-600);
  cursor: pointer;
}

.form-submit {
  margin-top: var(--space-md);
}

.form-status {
  margin-top: var(--space-md);
  padding: var(--space-md);
  border-radius: 8px;
  font-size: 0.9rem;
  display: none;
}
.form-status.success {
  display: block;
  background: var(--green-100);
  color: var(--green-800);
  border: 1px solid var(--green-200);
}
.form-status.error {
  display: block;
  background: #fef2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

/* ── CTA Banner ────────────────────────────────────────────── */
.cta-banner {
  background: linear-gradient(135deg, var(--green-800) 0%, var(--green-700) 100%);
  padding: var(--space-4xl) 0;
  text-align: center;
}
.cta-banner h2 {
  color: var(--white);
  margin-bottom: var(--space-md);
}
.cta-banner p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.1rem;
  max-width: 550px;
  margin: 0 auto var(--space-xl);
}

/* ── Page Header (non-home) ─────────────────────────────────── */
.page-header {
  background: var(--green-900);
  padding: calc(var(--nav-height) + var(--space-4xl)) 0 var(--space-4xl);
  text-align: center;
}
.page-header h1 { color: var(--white); margin-bottom: var(--space-sm); }
.page-header p {
  color: rgba(255, 255, 255, 0.75);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

/* ── Footer ────────────────────────────────────────────────── */
.footer {
  background: var(--green-900);
  color: rgba(255, 255, 255, 0.7);
  padding: var(--space-3xl) 0 var(--space-xl);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: var(--space-3xl);
  margin-bottom: var(--space-2xl);
}
.footer-brand {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  color: var(--white);
  margin-bottom: var(--space-md);
}
.footer-about p {
  font-size: 0.9rem;
  line-height: 1.7;
}
.footer h4 {
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-md);
}
.footer-links li { margin-bottom: var(--space-sm); }
.footer-links a {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}
.footer-links a:hover { color: var(--gold-400); }

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
  font-size: 0.9rem;
}
.footer-contact-item svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  margin-top: 3px;
  color: var(--gold-400);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-xl);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-md);
  font-size: 0.85rem;
}

/* ── Scroll Animations ────────────────────────────────────── */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }

/* ── 404 Page ────────────────────────────────────────────── */
.not-found {
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-4xl) var(--space-xl);
}
.not-found h1 {
  font-size: 6rem;
  color: var(--green-700);
  line-height: 1;
  margin-bottom: var(--space-md);
}
.not-found p {
  font-size: 1.15rem;
  color: var(--text-muted);
  margin-bottom: var(--space-xl);
}

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 1024px) {
  .intro-grid { grid-template-columns: 1fr; gap: var(--space-xl); }
  .intro-image { max-height: 400px; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  :root { --nav-height: 64px; }
  .container { padding: 0 var(--space-lg); }
  .section { padding: var(--space-3xl) 0; }
  .hero { min-height: 70vh; }
  .hero-content { padding-top: calc(var(--nav-height) + var(--space-3xl)); }

  /* Mobile nav */
  .hamburger { display: flex; }
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 75%;
    max-width: 320px;
    height: 100vh;
    background: var(--green-900);
    flex-direction: column;
    justify-content: center;
    gap: var(--space-xl);
    padding: var(--space-2xl);
    transition: right var(--transition-base);
    box-shadow: var(--shadow-xl);
  }
  .nav-links.open { right: 0; }
  .nav-links a {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
  }
  .nav-links a:hover { color: var(--gold-400); }

  /* Mobile overlay */
  .nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), visibility var(--transition-base);
  }
  .nav-overlay.active { opacity: 1; visibility: visible; }

  .form-row { grid-template-columns: 1fr; }
  .checkbox-grid { grid-template-columns: 1fr; }
  .gallery-grid { columns: 2 180px; }
  .footer-grid { grid-template-columns: 1fr; gap: var(--space-xl); }
  .footer-bottom { flex-direction: column; text-align: center; }

  .hero-buttons { flex-direction: column; }
  .hero-buttons .btn { text-align: center; justify-content: center; }

  .lightbox-prev { left: 10px; width: 40px; height: 40px; }
  .lightbox-next { right: 10px; width: 40px; height: 40px; }
}

@media (max-width: 480px) {
  .gallery-grid { columns: 1; }
  .plants-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
}
