/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --primary: 27, 100%, 56%;
  --primary-fg: 0, 0%, 100%;
  --bg: 0, 0%, 100%;
  --fg: 220, 20%, 15%;
  --secondary-bg: hsl(27, 100%, 96%);
  --muted: hsl(220, 10%, 46%);
  --border: hsl(27, 30%, 90%);
  --card: hsl(0, 0%, 100%);
  --radius: 1rem;
}
html { scroll-behavior: smooth; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; background: hsl(var(--bg)); color: hsl(var(--fg)); line-height: 1.6; overflow-x: hidden; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 1rem; }

/* ===== Loading Screen ===== */
#loading-screen {
  position: fixed; inset: 0; z-index: 1000;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  background: linear-gradient(135deg, hsl(220, 20%, 15%), hsl(240, 15%, 25%));
  transition: opacity 0.5s ease;
}
#loading-screen.hidden { opacity: 0; pointer-events: none; }
#loading-screen .brand { font-size: 1.875rem; font-weight: 700; color: #fff; margin-bottom: 2rem; animation: pulse-text 1.5s ease-in-out infinite; }
.loader-dots { display: flex; gap: 0.5rem; }
.loader-dots span { width: 12px; height: 12px; border-radius: 50%; background: hsl(var(--primary)); animation: bounce-dot 0.6s ease-in-out infinite; }
.loader-dots span:nth-child(2) { animation-delay: 0.15s; }
.loader-dots span:nth-child(3) { animation-delay: 0.3s; }
@keyframes pulse-text { 0%,100%{ opacity: 0.5; } 50%{ opacity: 1; } }
@keyframes bounce-dot { 0%,100%{ transform: translateY(0); } 50%{ transform: translateY(-12px); } }

/* ===== Navbar ===== */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  background: hsla(220, 20%, 10%, 0.4); 
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid hsla(255, 255, 255, 0.05);
}
.navbar-inner { 
  display: flex; align-items: center; justify-content: space-between; 
  height: 80px; 
  position: relative;
}
.navbar .logo { color: #fff; font-weight: 700; font-size: 1.35rem; letter-spacing: -0.02em; z-index: 10; }
.nav-links { 
  display: flex; align-items: center; gap: 2.5rem; font-size: 0.9375rem; color: rgba(255,255,255,0.85); 
  position: absolute; left: 50%; transform: translateX(-50%);
  white-space: nowrap;
}
.nav-links a:hover, .nav-links button:hover { color: hsl(var(--primary)); }
.nav-links button { background: none; border: none; color: inherit; font: inherit; cursor: pointer; display: flex; align-items: center; gap: 4px; }
.dropdown { position: relative; display: flex; align-items: center; height: 100%; }
.dropdown-menu { display: none; position: absolute; top: 80%; left: 50%; transform: translateX(-50%); background: var(--card); border-radius: 0.75rem; box-shadow: 0 10px 30px rgba(0,0,0,0.15); border: 1px solid var(--border); padding: 0.5rem 0; min-width: 140px; }
.dropdown-menu::before { content: ''; position: absolute; top: -15px; left: 0; right: 0; height: 15px; background: transparent; }
.dropdown:hover .dropdown-menu { display: block; animation: fade-down-dropdown 0.2s ease forwards; }
@keyframes fade-down-dropdown { from { opacity: 0; transform: translate(-50%, -5px); } to { opacity: 1; transform: translate(-50%, 0); } }
.dropdown-menu a { display: block; padding: 0.5rem 1rem; font-size: 0.875rem; color: hsl(var(--fg)); }
.dropdown-menu a:hover { background: var(--secondary-bg); color: hsl(var(--primary)); }
.mobile-toggle { display: none; background: none; border: none; color: #fff; cursor: pointer; z-index: 10; }
.mobile-nav { display: none; background: hsla(220, 20%, 10%, 0.95); backdrop-filter: blur(16px); border-top: 1px solid rgba(255,255,255,0.05); padding: 1.5rem; }
.mobile-nav.open { display: block; }
.mobile-nav a, .mobile-nav button { display: block; padding: 0.75rem 0; color: rgba(255,255,255,0.9); font-size: 1rem; background: none; border: none; font: inherit; cursor: pointer; width: 100%; text-align: left; transition: color 0.2s; }
.mobile-nav a:hover, .mobile-nav button:hover { color: hsl(var(--primary)); }
.mobile-sub { padding-left: 1rem; display: none; }
.mobile-sub.open { display: block; }
@media (max-width: 768px) {
  .nav-links { display: none; }
  .mobile-toggle { display: block; }
}

/* ===== Hero ===== */
.hero {
  position: relative; min-height: 90vh; display: flex; align-items: center; overflow: hidden;
  background-color: #0c0d11;
}
.hero-bg {
  position: absolute; inset: 0;
  background: 
    radial-gradient(circle at 10% 20%, hsla(var(--primary), 0.15) 0%, transparent 40%),
    radial-gradient(circle at 90% 80%, hsla(var(--primary), 0.1) 0%, transparent 40%),
    linear-gradient(135deg, #0c0d11 0%, #151119 50%, #0c0d11 100%);
  background-size: 200% 200%;
  animation: hero-gradient-move 10s ease infinite;
}
.hero-bg::before {
  content: ''; position: absolute; inset: 0;
  background-image: 
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 30px 30px;
  mask-image: linear-gradient(to bottom, black 40%, transparent 100%);
  -webkit-mask-image: linear-gradient(to bottom, black 40%, transparent 100%);
}
@keyframes hero-gradient-move {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}
.hero-blob {
  position: absolute; border-radius: 50%; filter: blur(120px); opacity: 0.4;
}
.hero-blob-1 { width: 600px; height: 600px; background: hsla(var(--primary), 0.45); top: -160px; left: -160px; animation: blob-move1 12s ease-in-out infinite; }
.hero-blob-2 { width: 500px; height: 500px; background: hsla(var(--primary), 0.25); top: 50%; left: 33%; animation: blob-move2 15s ease-in-out infinite 1s; }
.hero-blob-3 { width: 400px; height: 400px; background: hsla(35, 100%, 65%, 0.3); bottom: -80px; right: 40px; animation: blob-move3 10s ease-in-out infinite 2s; }
@keyframes blob-move1 { 0%,100%{ transform: translate(0,0) scale(1); } 50%{ transform: translate(60px,40px) scale(1.15); } }
@keyframes blob-move2 { 0%,100%{ transform: translate(0,0) scale(1); } 50%{ transform: translate(-50px,-30px) scale(1.2); } }
@keyframes blob-move3 { 0%,100%{ transform: translate(0,0) scale(1); } 50%{ transform: translate(40px,-40px) scale(1.1); } }
.hero-diagonal { position: absolute; inset: 0; overflow: hidden; pointer-events: none; }
.hero-diagonal::after { content: ''; position: absolute; right: -80px; top: 0; width: 50%; height: 100%; background: linear-gradient(90deg, transparent, hsla(var(--primary), 0.05) 50%, transparent); transform: skewX(-15deg); transform-origin: top right; }

.hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; position: relative; z-index: 10; }
.hero-text { animation: fade-up 0.7s ease forwards; }
.hero-text h1 { font-size: clamp(2.5rem, 5vw, 3.75rem); font-weight: 800; color: #fff; line-height: 1.15; margin-bottom: 1.5rem; text-shadow: 0 4px 20px rgba(0,0,0,0.3); }
.hero-text h1 span { background: linear-gradient(90deg, hsl(var(--primary)), #fdb05d); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.hero-text p { color: rgba(255,255,255,0.8); font-size: 1.125rem; margin-bottom: 2rem; max-width: 28rem; }
.hero-buttons { display: flex; gap: 1rem; }
.btn-hero { padding: 0.75rem 2rem; border-radius: 9999px; font-weight: 600; font-size: 0.875rem; border: none; cursor: pointer; transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); }
.btn-hero-primary { background: hsl(var(--primary)); color: #fff; box-shadow: 0 8px 24px hsla(var(--primary), 0.4), inset 0 1px 0 hsla(0,0%,100%,0.2); }
.btn-hero-primary:hover { transform: translateY(-3px); box-shadow: 0 12px 32px hsla(var(--primary), 0.5); filter: brightness(1.1); }
.btn-hero-outline { background: hsla(0,0%,100%,0.05); backdrop-filter: blur(8px); color: #fff; border: 1px solid rgba(255,255,255,0.2); }
.btn-hero-outline:hover { background: hsla(0,0%,100%,0.15); border-color: rgba(255,255,255,0.5); transform: translateY(-3px); }

/* Right image updates */
.hero-image { display: flex; justify-content: center; align-items: center; }
.hero-image-wrapper { position: relative; animation: fade-up 0.9s ease 0.2s forwards; opacity: 0; display: inline-block; }
.hero-image-wrapper img { max-width: 520px; width: 100%; filter: drop-shadow(0 30px 60px hsla(var(--primary), 0.4)); animation: float-main 6s ease-in-out infinite; position: relative; z-index: 2; }
@keyframes float-main { 0%,100%{ transform: translateY(0); } 50%{ transform: translateY(-15px); } }

/* Floating labels */
.floating-label {
  position: absolute;
  background: hsla(220, 20%, 12%, 0.65); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border: 1px solid hsla(var(--primary), 0.4);
  padding: 0.75rem 1.25rem; border-radius: 1.25rem;
  display: flex; align-items: center; gap: 0.75rem;
  box-shadow: 0 12px 30px rgba(0,0,0,0.3); z-index: 3; white-space: nowrap;
  animation: float-label-anim 4s ease-in-out infinite forwards;
  opacity: 0; transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}
.floating-label:hover { 
  transform: scale(1.08) translateY(-5px) !important; 
  border-color: hsla(var(--primary), 1);
  background: hsla(220, 20%, 18%, 0.8);
  box-shadow: 0 20px 40px rgba(0,0,0,0.4), 0 0 15px hsla(var(--primary), 0.3);
  z-index: 10;
}
.floating-label-1 { top: 15%; left: -15%; animation-delay: 0.1s; animation-name: float-label-in-1; }
.floating-label-2 { top: 50%; right: -20%; animation-delay: 0.5s; animation-name: float-label-in-2; }
.floating-label-3 { bottom: 15%; left: -10%; animation-delay: 0.9s; animation-name: float-label-in-3; }

@keyframes float-label-in-1 { 0%{ transform: translateY(20px); opacity:0; } 10%,90%{ transform: translateY(0); opacity:1; } 50%{ transform: translateY(-8px); opacity:1; } 100%{ transform: translateY(0); opacity:1; } }
@keyframes float-label-in-2 { 0%{ transform: translateY(20px); opacity:0; } 10%,90%{ transform: translateY(0); opacity:1; } 50%{ transform: translateY(-8px); opacity:1; } 100%{ transform: translateY(0); opacity:1; } }
@keyframes float-label-in-3 { 0%{ transform: translateY(20px); opacity:0; } 10%,90%{ transform: translateY(0); opacity:1; } 50%{ transform: translateY(-8px); opacity:1; } 100%{ transform: translateY(0); opacity:1; } }

.floating-label .icon { font-size: 1.5rem; text-shadow: 0 2px 10px hsla(var(--primary), 0.5); }
.floating-label strong { display: block; font-size: 0.9375rem; color: #fff; font-weight: 700; }
.floating-label span { font-size: 0.75rem; color: hsl(var(--primary)); font-weight: 600; }

@keyframes fade-up { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }

@media (max-width: 992px) {
  .floating-label-2 { right: -5%; }
  .floating-label-1 { left: -5%; }
}
@media (max-width: 768px) {
  .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .hero-text p { margin-left: auto; margin-right: auto; }
  .hero-buttons { justify-content: center; }
  .hero-image-wrapper img { max-width: 320px; }
  .floating-label { display: none; }
}

/* ===== Sections Common ===== */
section { padding: 6rem 0; }
.section-title { font-size: clamp(1.75rem, 3vw, 2.25rem); font-weight: 700; color: hsl(var(--fg)); margin-bottom: 1rem; text-align: center; }
.section-desc { color: var(--muted); max-width: 36rem; margin: 0 auto 4rem; text-align: center; }
.bg-secondary { background: var(--secondary-bg); }

/* Scroll animation */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ===== Stats / Qualities ===== */
.qualities-layout {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 4rem;
  align-items: center;
  max-width: 64rem;
  margin: 0 auto;
}
.qualities-image {
  position: relative;
  display: flex;
  justify-content: center;
}
.qualities-image-inner {
  position: relative;
  border-radius: 2rem;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0,0,0,0.1);
  border: 6px solid var(--card);
  z-index: 2;
  background: var(--card);
}
.qualities-image-inner img {
  display: block;
  width: 100%;
  max-width: 250px;
  height: auto;
  transition: transform 0.5s ease;
}
.qualities-image-inner:hover img {
  transform: scale(1.02);
}
.qualities-bg-blob {
  position: absolute;
  width: 100%; height: 100%; top: 0; left: 0;
  background: hsla(220, 80%, 60%, 0.1);
  border-radius: 50%; filter: blur(70px);
  z-index: -1; transform: scale(1.5);
}

.qualities-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
.quality-card { 
  background: var(--card); border-radius: var(--radius); padding: 1.5rem; text-align: left; 
  box-shadow: 0 4px 14px rgba(0,0,0,0.03); border: 1px solid transparent; 
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s; 
}
.quality-card:hover { 
  transform: translateY(-5px); box-shadow: 0 12px 32px rgba(0,0,0,0.08); 
  border-color: hsla(var(--primary), 0.4); 
}
.quality-icon { 
  width: 48px; height: 48px; border-radius: 0.75rem; 
  background: hsla(var(--primary), 0.1); color: hsl(var(--primary));
  display: flex; align-items: center; justify-content: center; margin-bottom: 1.25rem; 
  transition: transform 0.3s ease, background 0.3s ease;
}
.quality-card:hover .quality-icon {
  background: hsl(var(--primary)); color: #fff; transform: scale(1.1);
}
.quality-icon svg { width: 24px; height: 24px; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.quality-card h3 { font-weight: 700; margin-bottom: 0.5rem; font-size: 1.125rem; }
.quality-card p { color: var(--muted); font-size: 0.875rem; line-height: 1.6; }

@media (max-width: 992px) {
  .qualities-layout { grid-template-columns: 1fr; gap: 3rem; }
  .qualities-image-inner img { max-width: 240px; }
}
@media (max-width: 500px) {
  .qualities-grid { grid-template-columns: 1fr; }
}

/* ===== How It Works ===== */
.how-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: center;
  max-width: 64rem;
  margin: 0 auto;
}
.steps-timeline {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}
.timeline-step {
  display: flex;
  gap: 1.5rem;
  position: relative;
}
.timeline-step:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 64px;
  bottom: -2rem;
  left: 31px;
  width: 2px;
  background: hsla(var(--primary), 0.2);
  z-index: 0;
}
.timeline-trigger {
  position: relative;
  z-index: 1;
}
.step-circle {
  width: 64px; height: 64px; border-radius: 50%;
  background: var(--card);
  color: hsl(var(--primary));
  border: 2px solid hsl(var(--primary));
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 14px hsla(var(--primary), 0.1);
  transition: all 0.3s ease;
  flex-shrink: 0;
}
.timeline-step:hover .step-circle {
  background: hsl(var(--primary));
  color: #fff;
  transform: translateY(-5px);
  box-shadow: 0 8px 20px hsla(var(--primary), 0.3);
}
.step-circle svg { width: 28px; height: 28px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.step-content {
  padding-top: 0.5rem;
  text-align: left;
}
.step-label { font-size: 0.875rem; color: hsl(var(--primary)); font-weight: 600; display: block; margin-bottom: 0.25rem; }
.step-content h3 { font-size: 1.25rem; font-weight: 700; margin-bottom: 0.5rem; color: hsl(var(--fg)); }
.step-content p { font-size: 0.9375rem; color: var(--muted); line-height: 1.6; margin: 0; }

.how-image {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}
.image-frame {
  position: relative;
  border-radius: 2rem;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0,0,0,0.1);
  border: 6px solid var(--card);
  z-index: 2;
  background: var(--card);
}
.image-frame img {
  display: block;
  width: 100%;
  max-width: 280px;
  height: auto;
  transition: transform 0.5s ease;
}
.image-frame:hover img {
  transform: scale(1.02);
}
.how-bg-blob {
  position: absolute;
  width: 100%;
  height: 100%;
  background: hsla(var(--primary), 0.15);
  border-radius: 50%;
  filter: blur(60px);
  z-index: 1;
  transform: scale(0.9);
  animation: pulse-blob 6s ease-in-out infinite alternate;
}
@keyframes pulse-blob {
  0% { transform: scale(0.8); opacity: 0.8; }
  100% { transform: scale(1.1); opacity: 1; }
}

.guide-float {
  position: absolute;
  background: var(--card);
  padding: 0.75rem 1rem;
  border-radius: 1rem;
  box-shadow: 0 10px 25px rgba(0,0,0,0.1);
  font-weight: 600;
  font-size: 0.875rem;
  color: hsl(var(--fg));
  z-index: 3;
  animation: float-label-anim 4s ease-in-out infinite;
  border: 1px solid var(--border);
}
.guide-float-top { top: 10%; right: -5%; animation-delay: 0.2s; }
.guide-float-bottom { bottom: 20%; left: -5%; animation-delay: 0.8s; }

@media (max-width: 768px) {
  .how-grid { grid-template-columns: 1fr; gap: 4rem; }
  .image-frame img { max-width: 240px; }
  .guide-float { display: none; }
  .timeline-step:not(:last-child)::after { bottom: -1rem; }
}

/* ===== App Showcase ===== */
.showcase-track-wrapper { overflow: hidden; width: 100%; position: relative; }
.showcase-track {
  display: flex; gap: 1.5rem; width: max-content;
  animation: scroll-left 25s linear infinite;
}
.showcase-track img { width: 280px; border-radius: var(--radius); box-shadow: 0 4px 20px rgba(0,0,0,0.1); flex-shrink: 0; }
@keyframes scroll-left { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }
@media (min-width: 769px) { .showcase-track img { width: 320px; } }

/* ===== FAQ ===== */
.faq-list { max-width: 48rem; margin: 0 auto; display: flex; flex-direction: column; gap: 0.75rem; }
.faq-item { background: var(--card); border-radius: var(--radius); border: 1px solid var(--border); overflow: hidden; transition: box-shadow 0.3s; }
.faq-item:hover { box-shadow: 0 4px 16px rgba(0,0,0,0.06); }
.faq-question {
  width: 100%; display: flex; align-items: center; justify-content: space-between;
  padding: 1.25rem 1.5rem; background: none; border: none; cursor: pointer;
  font: inherit; font-weight: 600; font-size: 1rem; color: hsl(var(--fg)); text-align: left;
}
.faq-question svg { width: 20px; height: 20px; stroke: var(--muted); fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; flex-shrink: 0; transition: transform 0.3s; }
.faq-item.open .faq-question svg { transform: rotate(180deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.35s ease; }
.faq-answer p { padding: 0 1.5rem 1.25rem; color: var(--muted); font-size: 0.9375rem; line-height: 1.7; }

/* ===== Testimonials ===== */
.testimonials-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.testimonial-card { background: var(--card); border-radius: var(--radius); padding: 2rem; text-align: left; border: 1px solid var(--border); }
.stars { display: flex; gap: 4px; margin-bottom: 1rem; }
.stars svg { width: 16px; height: 16px; fill: hsl(var(--primary)); stroke: hsl(var(--primary)); }
.testimonial-card .quote { color: hsl(var(--fg)); margin-bottom: 1.5rem; line-height: 1.6; }
.testimonial-author { display: flex; align-items: center; gap: 0.75rem; }
.author-avatar { width: 40px; height: 40px; border-radius: 50%; background: hsla(var(--primary), 0.2); display: flex; align-items: center; justify-content: center; color: hsl(var(--primary)); font-weight: 700; font-size: 0.875rem; }
.author-info .name { font-weight: 600; font-size: 0.875rem; }
.author-info .role { color: var(--muted); font-size: 0.75rem; }
@media (max-width: 768px) { .testimonials-grid { grid-template-columns: 1fr; } }

/* ===== Contact ===== */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem; max-width: 64rem; margin: 0 auto; }
.contact-info { display: flex; flex-direction: column; gap: 1.5rem; }
.contact-item { display: flex; align-items: flex-start; gap: 1rem; }
.contact-icon { width: 48px; height: 48px; border-radius: 0.75rem; background: hsla(var(--primary), 0.1); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.contact-icon svg { width: 24px; height: 24px; stroke: hsl(var(--primary)); fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.contact-item h3 { font-weight: 600; margin-bottom: 0.25rem; }
.contact-item p { color: var(--muted); }
.map-frame { border-radius: var(--radius); overflow: hidden; box-shadow: 0 4px 20px rgba(0,0,0,0.1); border: 1px solid var(--border); height: 350px; }
.map-frame iframe { width: 100%; height: 100%; border: 0; }
.bg-muted-half { background: hsla(27, 30%, 95%, 0.5); }
@media (max-width: 768px) { .contact-grid { grid-template-columns: 1fr; } }

/* ===== Footer ===== */
.footer { background: hsl(var(--fg)); padding: 3rem 0; }
.footer-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; color: rgba(255,255,255,0.7); font-size: 0.875rem; }
.footer h3 { color: #fff; font-weight: 700; font-size: 1.125rem; margin-bottom: 1rem; }
.footer h4 { color: #fff; font-weight: 600; margin-bottom: 0.75rem; }
.footer ul { list-style: none; }
.footer ul li { margin-bottom: 0.5rem; }
.footer a:hover { color: hsl(var(--primary)); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); margin-top: 2rem; padding-top: 2rem; text-align: center; color: rgba(255,255,255,0.4); font-size: 0.75rem; }
@media (max-width: 768px) { .footer-grid { grid-template-columns: repeat(2, 1fr); } }

/* ===== Back to Top ===== */
#back-to-top {
  position: fixed; bottom: 1.5rem; right: 1.5rem; z-index: 50;
  width: 48px; height: 48px; border-radius: 50%;
  background: hsl(var(--primary)); color: #fff; border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 14px hsla(var(--primary), 0.4);
  opacity: 0; transform: scale(0.5); transition: opacity 0.3s, transform 0.3s;
  pointer-events: none;
}
#back-to-top.show { opacity: 1; transform: scale(1); pointer-events: auto; }
#back-to-top:hover { transform: scale(1.1); }
#back-to-top svg { width: 20px; height: 20px; stroke: #fff; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }