/* ============================================================
   GIORGIO MARIOTTO — Arborista del Lago Maggiore
   Design: verde foresta, moderno, mobile-first
   ============================================================ */

/* ---------- Design Tokens ---------- */
:root {
  /* Palette verde / natura */
  --color-bg:              #f5f7f4;
  --color-surface:         #ffffff;
  --color-surface-alt:     #eef2ec;
  --color-border:          #d2dccf;
  --color-divider:         #dde6da;

  --color-text:            #1a2417;
  --color-text-muted:      #5a6b55;
  --color-text-faint:      #9aab94;
  --color-text-inverse:    #f5f7f4;

  /* Verde primario */
  --color-primary:         #2d6a2d;
  --color-primary-hover:   #1e4e1e;
  --color-primary-active:  #133513;
  --color-primary-light:   #c8dfc8;
  --color-primary-mid:     #4a8c4a;

  /* Accento dorato / terra */
  --color-accent:          #8b6914;
  --color-accent-hover:    #6b4f0d;
  --color-accent-light:    #e8dcc0;

  /* Type scale */
  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem    + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1.2rem  + 1.25vw, 2.25rem);
  --text-2xl:  clamp(2rem,     1.2rem  + 2.5vw,  3.5rem);
  --text-3xl:  clamp(2.5rem,   1rem    + 4vw,    5rem);

  /* Spacing */
  --space-1: 0.25rem; --space-2: 0.5rem;  --space-3: 0.75rem;
  --space-4: 1rem;    --space-5: 1.25rem; --space-6: 1.5rem;
  --space-8: 2rem;    --space-10: 2.5rem; --space-12: 3rem;
  --space-16: 4rem;   --space-20: 5rem;   --space-24: 6rem;

  /* Fonts */
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body:    'Inter', 'Helvetica Neue', sans-serif;

  /* Radii */
  --radius-sm: 0.375rem;
  --radius-md: 0.625rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(29,60,20,0.08);
  --shadow-md: 0 4px 16px rgba(29,60,20,0.10);
  --shadow-lg: 0 12px 40px rgba(29,60,20,0.14);

  /* Transitions */
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --dur: 220ms;
}

[data-theme="dark"] {
  --color-bg:              #111a0f;
  --color-surface:         #172012;
  --color-surface-alt:     #1c2a17;
  --color-border:          #2a3a24;
  --color-divider:         #243320;
  --color-text:            #d4e0ce;
  --color-text-muted:      #8aa080;
  --color-text-faint:      #506648;
  --color-text-inverse:    #111a0f;
  --color-primary:         #5dab5d;
  --color-primary-hover:   #4a9a4a;
  --color-primary-light:   #1e3a1e;
  --color-primary-mid:     #4a8c4a;
  --color-accent:          #c9a03a;
  --color-accent-hover:    #e8c05a;
  --color-accent-light:    #3a2e12;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.35);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.45);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg:              #111a0f;
    --color-surface:         #172012;
    --color-surface-alt:     #1c2a17;
    --color-border:          #2a3a24;
    --color-divider:         #243320;
    --color-text:            #d4e0ce;
    --color-text-muted:      #8aa080;
    --color-text-faint:      #506648;
    --color-text-inverse:    #111a0f;
    --color-primary:         #5dab5d;
    --color-primary-hover:   #4a9a4a;
    --color-primary-light:   #1e3a1e;
    --color-primary-mid:     #4a8c4a;
    --color-accent:          #c9a03a;
    --color-accent-hover:    #e8c05a;
    --color-accent-light:    #3a2e12;
  }
}

/* ---------- Base Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}
body {
  min-height: 100dvh;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.65;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
img { display: block; max-width: 100%; height: auto; }
::selection { background: var(--color-primary-light); color: var(--color-text); }

/* ---------- Bootstrap Overrides ---------- */
:root {
  --bs-font-sans-serif: var(--font-body);
  --bs-body-color: var(--color-text);
  --bs-body-bg: var(--color-bg);
  --bs-primary: var(--color-primary);
  --bs-primary-rgb: 45, 106, 45;
  --bs-link-color: var(--color-primary);
  --bs-link-hover-color: var(--color-primary-hover);
  --bs-border-color: var(--color-border);
  --bs-border-radius: var(--radius-md);
  --bs-border-radius-lg: var(--radius-lg);
}
.btn-primary {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 0.7rem 1.6rem;
  border-radius: var(--radius-md);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.btn-primary:hover {
  background-color: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.btn-outline-light {
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 0.7rem 1.6rem;
  border-radius: var(--radius-md);
  transition: all var(--dur) var(--ease);
}
.btn-outline-light:hover { transform: translateY(-1px); box-shadow: var(--shadow-md); }

/* ---------- Navbar ---------- */
#mainNav {
  background: rgba(17, 26, 15, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(93,171,93,0.12);
  transition: background var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
  padding: var(--space-3) 0;
}
#mainNav.scrolled {
  background: rgba(17, 26, 15, 0.98);
  box-shadow: var(--shadow-md);
}
[data-theme="light"] #mainNav,
:root:not([data-theme]) #mainNav {
  background: rgba(17, 26, 15, 0.94);
}
.navbar-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: #fff !important;
  text-decoration: none;
  letter-spacing: -0.01em;
}
.navbar-brand span {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.navbar-brand .brand-sub {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 400;
  color: rgba(255,255,255,0.6);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.nav-link {
  color: rgba(255,255,255,0.78) !important;
  font-size: var(--text-sm);
  font-weight: 500;
  padding: var(--space-2) var(--space-4) !important;
  border-radius: var(--radius-sm);
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease) !important;
  letter-spacing: 0.01em;
}
.nav-link:hover, .nav-link.active {
  color: #fff !important;
  background: rgba(93,171,93,0.18) !important;
}
.navbar-toggler {
  border: 1px solid rgba(255,255,255,0.25);
  padding: 0.3rem 0.6rem;
}
.navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255,255,255,0.8%29' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}
.theme-toggle {
  background: none;
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: var(--radius-sm);
  color: rgba(255,255,255,0.8);
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: all var(--dur) var(--ease);
  flex-shrink: 0;
}
.theme-toggle:hover { border-color: rgba(255,255,255,0.6); color: #fff; }

/* ---------- Hero Section ---------- */
#hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-carousel {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1.2s ease;
}
.hero-slide.active { opacity: 1; }
.hero-slide img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(10,20,8,0.72) 0%,
    rgba(10,20,8,0.45) 60%,
    rgba(10,20,8,0.25) 100%
  );
  z-index: 1;
}
.hero-content {
  position: relative;
  z-index: 2;
  padding-top: 100px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(93,171,93,0.22);
  border: 1px solid rgba(93,171,93,0.45);
  border-radius: var(--radius-full, 9999px);
  color: #a8e6a8;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: var(--space-1) var(--space-4);
  margin-bottom: var(--space-5);
}
.hero-badge::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: #6dcc6d;
  box-shadow: 0 0 8px #6dcc6d;
}
.hero-title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 700;
  color: #fff;
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-5);
  text-shadow: 0 2px 16px rgba(0,0,0,0.3);
}
.hero-title em {
  font-style: normal;
  color: #a8e6a8;
}
.hero-lead {
  font-size: var(--text-lg);
  color: rgba(255,255,255,0.82);
  max-width: 52ch;
  margin-bottom: var(--space-8);
  line-height: 1.6;
}
.hero-stats {
  display: flex;
  gap: var(--space-8);
  margin-top: var(--space-10);
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255,255,255,0.14);
}
.hero-stat-value {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: #a8e6a8;
  line-height: 1;
}
.hero-stat-label {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.6);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: var(--space-1);
}
.hero-dots {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  gap: var(--space-2);
}
.hero-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.35);
  border: none;
  cursor: pointer;
  transition: all var(--dur) var(--ease);
  padding: 0;
}
.hero-dot.active { background: #fff; width: 24px; border-radius: 4px; }

/* ---------- Section Shared ---------- */
.section {
  padding: clamp(var(--space-16), 8vw, var(--space-24)) 0;
}
.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-primary-mid);
  margin-bottom: var(--space-3);
}
.section-label::before {
  content: '';
  display: block;
  width: 28px; height: 2px;
  background: var(--color-primary-mid);
  border-radius: 1px;
}
.section-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-4);
}
.section-lead {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 58ch;
  line-height: 1.7;
}

/* ---------- Intro / Chi Siamo ---------- */
#intro {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-divider);
}
.intro-img-wrap {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.intro-img-wrap img {
  width: 100%; aspect-ratio: 4/5;
  object-fit: cover;
  transition: transform 0.6s var(--ease);
}
.intro-img-wrap:hover img { transform: scale(1.03); }
.intro-badge-float {
  position: absolute;
  bottom: var(--space-6);
  left: var(--space-6);
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-5);
  box-shadow: var(--shadow-md);
}
.intro-badge-float strong {
  display: block;
  font-size: var(--text-xl);
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1;
}
.intro-badge-float span {
  font-size: var(--text-xs);
  opacity: 0.85;
  letter-spacing: 0.06em;
}
.cert-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full, 9999px);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-primary);
  padding: var(--space-1) var(--space-3);
  letter-spacing: 0.04em;
}
.cert-pill svg { flex-shrink: 0; }

/* ---------- Servizi ---------- */
#servizi {
  background: var(--color-surface-alt);
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
}
.service-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
  height: 100%;
  display: flex;
  flex-direction: column;
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.service-img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  transition: transform 0.5s var(--ease);
}
.service-card:hover .service-img { transform: scale(1.04); }
.service-img-wrap { overflow: hidden; }
.service-body {
  padding: var(--space-6);
  flex: 1;
  display: flex;
  flex-direction: column;
}
.service-icon {
  width: 48px; height: 48px;
  background: var(--color-primary-light);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: var(--space-4);
  color: var(--color-primary);
  flex-shrink: 0;
}
.service-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-3);
  line-height: 1.25;
}
.service-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
  flex: 1;
  margin: 0;
}
.service-features {
  list-style: none;
  padding: 0;
  margin: var(--space-4) 0 0;
}
.service-features li {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  padding: var(--space-1) 0;
  padding-left: var(--space-5);
  position: relative;
  max-width: 100%;
}
.service-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 700;
}

/* ---------- Portfolio Masonry ---------- */
#portfolio {
  background: var(--color-bg);
}
.portfolio-filter {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-bottom: var(--space-8);
}
.filter-btn {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full, 9999px);
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  font-weight: 600;
  padding: var(--space-2) var(--space-4);
  cursor: pointer;
  transition: all var(--dur) var(--ease);
  letter-spacing: 0.04em;
}
.filter-btn:hover { border-color: var(--color-primary); color: var(--color-primary); }
.filter-btn.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}
.masonry-grid {
  columns: 3;
  column-gap: var(--space-4);
}
@media (max-width: 992px) { .masonry-grid { columns: 2; } }
@media (max-width: 576px) { .masonry-grid { columns: 1; } }

.masonry-item {
  break-inside: avoid;
  margin-bottom: var(--space-4);
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  position: relative;
  box-shadow: var(--shadow-sm);
  display: block;
}
.masonry-item img {
  width: 100%;
  display: block;
  transition: transform 0.5s var(--ease);
}
.masonry-item:hover img { transform: scale(1.06); }
.masonry-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10,20,8,0.75) 0%, transparent 55%);
  opacity: 0;
  transition: opacity var(--dur) var(--ease);
  display: flex;
  align-items: flex-end;
  padding: var(--space-4);
}
.masonry-item:hover .masonry-overlay { opacity: 1; }
.masonry-caption {
  color: #fff;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.04em;
}

/* Lightbox */
.lightbox-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.92);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.lightbox-backdrop.open {
  opacity: 1;
  pointer-events: all;
}
.lightbox-img {
  max-width: 90vw;
  max-height: 88vh;
  border-radius: var(--radius-lg);
  box-shadow: 0 32px 80px rgba(0,0,0,0.7);
  object-fit: contain;
}
.lightbox-close {
  position: fixed;
  top: var(--space-5);
  right: var(--space-5);
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: var(--radius-md);
  color: #fff;
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  font-size: 1.25rem;
  transition: background var(--dur) var(--ease);
}
.lightbox-close:hover { background: rgba(255,255,255,0.25); }
.lightbox-nav {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-md);
  color: #fff;
  width: 48px; height: 48px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  font-size: 1.4rem;
  transition: background var(--dur) var(--ease);
}
.lightbox-nav:hover { background: rgba(255,255,255,0.25); }
.lightbox-prev { left: var(--space-4); }
.lightbox-next { right: var(--space-4); }

/* ---------- Contatti ---------- */
#contatti {
  background: var(--color-surface);
  border-top: 1px solid var(--color-divider);
}
.contact-card {
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-sm);
}
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-5) 0;
  border-bottom: 1px solid var(--color-divider);
}
.contact-item:last-child { border-bottom: none; }
.contact-icon {
  width: 44px; height: 44px;
  background: var(--color-primary-light);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-primary);
  flex-shrink: 0;
}
.contact-label {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-1);
}
.contact-value {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
  text-decoration: none;
}
.contact-value:hover { color: var(--color-primary); }

/* Form */
.form-label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
  letter-spacing: 0.02em;
}
.form-control, .form-select {
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-size: var(--text-sm);
  padding: 0.65rem 0.9rem;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.form-control:focus, .form-select:focus {
  background: var(--color-surface);
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(45,106,45,0.15);
  color: var(--color-text);
  outline: none;
}
.form-control::placeholder { color: var(--color-text-faint); }

/* ---------- CTA Banner ---------- */
.cta-banner {
  background: linear-gradient(135deg, var(--color-primary-hover) 0%, var(--color-primary) 100%);
  padding: clamp(var(--space-12), 6vw, var(--space-20)) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E") repeat;
}
.cta-banner .section-title, .cta-banner p { color: #fff; }
.cta-banner p { color: rgba(255,255,255,0.82); }

/* ---------- Footer ---------- */
footer {
  background: #0d1a0b;
  color: rgba(255,255,255,0.65);
  padding: var(--space-12) 0 var(--space-6);
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}
.footer-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: #fff;
}
.footer-sub {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.45);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-links li { margin-bottom: var(--space-2); }
.footer-links a {
  color: rgba(255,255,255,0.55);
  text-decoration: none;
  font-size: var(--text-sm);
  transition: color var(--dur) var(--ease);
}
.footer-links a:hover { color: rgba(255,255,255,0.9); }
.footer-heading {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: rgba(255,255,255,0.35);
  margin-bottom: var(--space-4);
}
.footer-divider {
  border-color: rgba(255,255,255,0.08);
  margin: var(--space-8) 0 var(--space-6);
}
.footer-bottom {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.3);
}
.footer-bottom a {
  color: rgba(255,255,255,0.45);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}
.footer-bottom a:hover { color: rgba(255,255,255,0.75); }

/* ---------- Animations ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s var(--ease), transform 0.65s var(--ease);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* ---------- Toast Notification ---------- */
.toast-msg {
  position: fixed;
  bottom: var(--space-6);
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--color-primary);
  color: #fff;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full, 9999px);
  font-size: var(--text-sm);
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  z-index: 9998;
  opacity: 0;
  pointer-events: none;
  transition: all 0.4s var(--ease);
}
.toast-msg.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ---------- Utility ---------- */
.text-green { color: var(--color-primary); }
.bg-surface { background: var(--color-surface); }
.radius-xl { border-radius: var(--radius-xl); }
.divider-green { border-color: var(--color-divider); }