/* ==========================================
   AD GROWIFY – Global Stylesheet
   Design System: Dark + Purple/Blue/Orange
   ========================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Poppins:wght@300;400;500;600;700;800;900&display=swap');

/* ── CSS Variables ── */
:root {
  --primary: #7C3AED;
  --primary-light: #9B59F6;
  --secondary: #3B82F6;
  --accent: #FF6B35;
  --accent-glow: #FF8C57;
  --dark-bg: #080B14;
  --dark-card: #0F1629;
  --dark-border: rgba(124,58,237,0.25);
  --glass: rgba(15,22,41,0.7);
  --text-primary: #F1F5FD;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  --gradient-hero: linear-gradient(135deg, #7C3AED 0%, #3B82F6 50%, #0891B2 100%);
  --gradient-accent: linear-gradient(135deg, #FF6B35, #FF8C57);
  --gradient-card: linear-gradient(135deg, rgba(124,58,237,0.15), rgba(59,130,246,0.10));
  --gradient-cta: linear-gradient(135deg, #7C3AED, #3B82F6);
  --shadow-primary: 0 4px 30px rgba(124,58,237,0.35);
  --shadow-card: 0 8px 40px rgba(0,0,0,0.5);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.6);
  --radius: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
  --font-heading: 'Poppins', sans-serif;
  --font-body: 'Inter', sans-serif;
}

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  background: var(--dark-bg);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
input, textarea, select, button { font-family: inherit; font-size: inherit; }

/* ── Utility Classes ── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
.section { padding: 6rem 0; }
.section-sm { padding: 4rem 0; }
.text-center { text-align: center; }
.text-gradient {
  background: var(--gradient-hero);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.text-accent {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(124,58,237,0.15);
  border: 1px solid rgba(124,58,237,0.4);
  color: var(--primary-light);
  padding: 0.4rem 1rem;
  border-radius: 99px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1.2rem;
}

/* ── Typography ── */
h1,h2,h3,h4,h5,h6 { font-family: var(--font-heading); font-weight: 700; line-height: 1.2; }
h1 { font-size: clamp(2.2rem, 5vw, 4rem); }
h2 { font-size: clamp(1.8rem, 4vw, 3rem); }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.8rem); }
h4 { font-size: 1.2rem; }
p { color: var(--text-secondary); }
.lead { font-size: 1.15rem; line-height: 1.9; color: var(--text-secondary); }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.85rem 2rem;
  border-radius: 99px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  white-space: nowrap;
  letter-spacing: 0.02em;
  position: relative;
  overflow: hidden;
}
.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.12);
  opacity: 0;
  transition: var(--transition);
}
.btn:hover::after { opacity: 1; }
.btn-primary {
  background: var(--gradient-cta);
  color: #fff;
  box-shadow: var(--shadow-primary);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 8px 35px rgba(124,58,237,0.55); }
.btn-accent {
  background: var(--gradient-accent);
  color: #fff;
  box-shadow: 0 4px 20px rgba(255,107,53,0.4);
}
.btn-accent:hover { transform: translateY(-3px); box-shadow: 0 8px 30px rgba(255,107,53,0.6); }
.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1.5px solid rgba(124,58,237,0.5);
}
.btn-outline:hover {
  border-color: var(--primary);
  background: rgba(124,58,237,0.15);
  transform: translateY(-2px);
}
.btn-lg { padding: 1rem 2.5rem; font-size: 1.05rem; }
.btn svg, .btn i { font-size: 1.1em; }

/* ── Header / Navigation ── */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 1rem 0;
  transition: var(--transition);
}
.header.scrolled {
  background: rgba(8,11,20,0.95);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--dark-border);
  padding: 0.7rem 0;
  box-shadow: 0 4px 30px rgba(0,0,0,0.4);
}
.nav { display: flex; align-items: center; justify-content: space-between; }
.logo {
  display: flex; align-items: center; gap: 0.6rem;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--text-primary);
}
.logo-icon {
  width: 38px; height: 38px;
  background: var(--gradient-cta);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  box-shadow: var(--shadow-primary);
}
.logo span { color: var(--primary-light); }
.nav-links {
  display: flex; align-items: center; gap: 0.3rem;
}
.nav-links a {
  padding: 0.5rem 0.9rem;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
}
.nav-links a:hover, .nav-links a.active {
  color: var(--text-primary);
  background: rgba(124,58,237,0.15);
}
.nav-cta { margin-left: 0.8rem; }
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 0.5rem;
  background: none;
  border: none;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.mobile-menu {
  display: none;
  position: fixed;
  top: 80px; left: 0; right: 0;
  background: rgba(8,11,20,0.98);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--dark-border);
  padding: 1.5rem;
  z-index: 999;
}
.mobile-menu.open { display: block; }
.mobile-menu a {
  display: block;
  padding: 0.85rem 1rem;
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: 8px;
  transition: var(--transition);
}
.mobile-menu a:hover { color: var(--text-primary); background: rgba(124,58,237,0.15); }
.mobile-menu .btn { width: 100%; justify-content: center; margin-top: 1rem; }

/* ── Section Headers ── */
.section-header { text-align: center; margin-bottom: 3.5rem; }
.section-header h2 { margin-bottom: 1rem; }
.section-header p { max-width: 560px; margin: 0 auto; font-size: 1.05rem; }
.divider { width: 60px; height: 4px; background: var(--gradient-cta); border-radius: 2px; margin: 1rem auto; }

/* ── Cards ── */
.card {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-card);
  opacity: 0;
  transition: var(--transition);
  pointer-events: none;
}
.card:hover { border-color: rgba(124,58,237,0.6); transform: translateY(-6px); box-shadow: var(--shadow-card); }
.card:hover::before { opacity: 1; }
.card-icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  background: rgba(124,58,237,0.18);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 1.2rem;
  transition: var(--transition);
}
.card:hover .card-icon { background: var(--gradient-cta); transform: scale(1.1); }
.card h3 { margin-bottom: 0.6rem; font-size: 1.15rem; }
.card p { font-size: 0.9rem; }

/* ── Grid Layouts ── */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.8rem; }
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* ── Hero Section ── */
.hero {
  min-height: 100vh;
  display: flex; align-items: center;
  padding: 8rem 0 5rem;
  position: relative;
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 80% 60% at 60% 40%, rgba(124,58,237,0.18) 0%, transparent 70%),
              radial-gradient(ellipse 60% 50% at 10% 80%, rgba(59,130,246,0.12) 0%, transparent 70%),
              var(--dark-bg);
  z-index: 0;
}
.hero-grid-lines {
  position: absolute; inset: 0; z-index: 0;
  background-image:
    linear-gradient(rgba(124,58,237,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(124,58,237,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
}
.hero .container { position: relative; z-index: 1; }
.hero-content { max-width: 680px; }
.hero-content h1 { margin-bottom: 1.5rem; letter-spacing: -0.02em; }
.hero-content p { font-size: 1.1rem; margin-bottom: 2.2rem; max-width: 560px; }
.hero-buttons { display: flex; gap: 1rem; flex-wrap: wrap; }
.hero-stats {
  display: flex; gap: 2.5rem; margin-top: 3rem; flex-wrap: wrap;
}
.hero-stat span {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  font-family: var(--font-heading);
  background: var(--gradient-hero);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-stat p { font-size: 0.82rem; color: var(--text-muted); margin: 0; }
.hero-image-wrap {
  position: absolute; right: 0; top: 50%; transform: translateY(-50%);
  width: 50%; z-index: 1;
}
.hero-image-wrap img { border-radius: var(--radius-xl); box-shadow: var(--shadow-lg); }

/* ── Image Sections ── */
.img-rounded { border-radius: var(--radius-xl); overflow: hidden; box-shadow: var(--shadow-lg); }
.img-rounded img { width: 100%; height: 100%; object-fit: cover; }
.split-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.split-section.reverse { direction: rtl; }
.split-section.reverse > * { direction: ltr; }
@media (max-width: 900px) {
  .split-section { grid-template-columns: 1fr; }
  .split-section.reverse { direction: ltr; }
}

/* ── Services Pills ── */
.tag-pill {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: rgba(124,58,237,0.12);
  border: 1px solid rgba(124,58,237,0.3);
  color: var(--primary-light);
  padding: 0.35rem 0.9rem;
  border-radius: 99px;
  font-size: 0.78rem;
  font-weight: 500;
}

/* ── Process Steps ── */
.steps { counter-reset: step-counter; }
.step {
  display: flex; gap: 1.5rem;
  padding: 1.8rem;
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius);
  transition: var(--transition);
  counter-increment: step-counter;
}
.step:hover { border-color: rgba(124,58,237,0.5); transform: translateX(6px); }
.step-number {
  min-width: 48px; height: 48px;
  border-radius: 12px;
  background: var(--gradient-cta);
  display: flex; align-items: center; justify-content: center;
  font-weight: 800;
  font-size: 1.1rem;
  color: #fff;
  box-shadow: var(--shadow-primary);
}
.step-content h4 { margin-bottom: 0.4rem; }
.step-content p { font-size: 0.9rem; }

/* ── Testimonial Cards ── */
.testimonial-card {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: var(--transition);
}
.testimonial-card:hover { border-color: rgba(124,58,237,0.5); transform: translateY(-4px); }
.stars { color: #FBBF24; font-size: 1rem; letter-spacing: 2px; margin-bottom: 1rem; }
.testimonial-card blockquote { font-size: 0.95rem; line-height: 1.8; margin-bottom: 1.5rem; }
.testimonial-author { display: flex; align-items: center; gap: 0.8rem; }
.author-avatar {
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--gradient-cta);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
}
.author-info h5 { font-size: 0.9rem; margin: 0; }
.author-info span { font-size: 0.78rem; color: var(--text-muted); }

/* ── CTA Section ── */
.cta-section {
  background: linear-gradient(135deg, rgba(124,58,237,0.2), rgba(59,130,246,0.15));
  border: 1px solid rgba(124,58,237,0.25);
  border-radius: var(--radius-xl);
  padding: 4rem 3rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  top: -60px; right: -60px;
  width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(124,58,237,0.3), transparent 70%);
}
.cta-section h2 { margin-bottom: 1rem; }
.cta-section p { max-width: 500px; margin: 0 auto 2rem; }
.cta-buttons { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* ── Form Styles ── */
.form-group { margin-bottom: 1.4rem; }
.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}
.form-group label .req { color: var(--primary-light); margin-left: 2px; }
.form-control {
  width: 100%;
  padding: 0.85rem 1.1rem;
  background: rgba(15,22,41,0.8);
  border: 1.5px solid rgba(124,58,237,0.2);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-size: 0.95rem;
  transition: var(--transition);
  outline: none;
}
.form-control::placeholder { color: var(--text-muted); }
.form-control:focus {
  border-color: var(--primary);
  background: rgba(124,58,237,0.08);
  box-shadow: 0 0 0 3px rgba(124,58,237,0.15);
}
.form-control.error { border-color: #EF4444; }
.error-msg { font-size: 0.78rem; color: #EF4444; margin-top: 0.3rem; display: none; }
.error-msg.show { display: block; }
textarea.form-control { resize: vertical; min-height: 130px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
@media (max-width: 600px) { .form-row { grid-template-columns: 1fr; } }
.checkbox-group { display: flex; align-items: flex-start; gap: 0.8rem; }
.checkbox-group input[type="checkbox"] {
  margin-top: 0.2rem;
  width: 18px; height: 18px;
  accent-color: var(--primary);
  cursor: pointer;
  flex-shrink: 0;
}
.checkbox-group label { font-size: 0.88rem; cursor: pointer; color: var(--text-secondary); }

/* ── Page Hero ── */
.page-hero {
  padding: 9rem 0 5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(ellipse 70% 60% at 50% 30%, rgba(124,58,237,0.2) 0%, transparent 70%);
  pointer-events: none;
}
.page-hero .badge { margin-bottom: 1rem; }
.page-hero h1 { margin-bottom: 1rem; }
.page-hero p { max-width: 540px; margin: 0 auto; font-size: 1.05rem; }
.breadcrumb {
  display: flex; align-items: center; justify-content: center;
  gap: 0.5rem; font-size: 0.85rem; color: var(--text-muted);
  margin-bottom: 1rem;
}
.breadcrumb a { color: var(--primary-light); }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb span { opacity: 0.5; }

/* ── Stats Band ── */
.stats-band {
  background: var(--dark-card);
  border-top: 1px solid var(--dark-border);
  border-bottom: 1px solid var(--dark-border);
}
.stats-band .container {
  display: flex; flex-wrap: wrap;
  justify-content: center;
  gap: 0;
}
.stat-item {
  flex: 1 1 200px;
  text-align: center;
  padding: 2.5rem 2rem;
  border-right: 1px solid var(--dark-border);
}
.stat-item:last-child { border-right: none; }
.stat-item .number {
  font-size: 2.4rem;
  font-weight: 800;
  font-family: var(--font-heading);
  background: var(--gradient-hero);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
}
.stat-item .label { font-size: 0.85rem; color: var(--text-muted); margin: 0; }

/* ── Features List ── */
.feature-list { list-style: none; }
.feature-list li {
  display: flex; align-items: flex-start; gap: 0.8rem;
  padding: 0.7rem 0;
  font-size: 0.95rem;
  color: var(--text-secondary);
}
.feature-list li::before {
  content: '✓';
  min-width: 22px; height: 22px;
  background: rgba(124,58,237,0.2);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--primary-light);
  margin-top: 2px;
}

/* ── Policy Pages ── */
.policy-content {
  max-width: 820px;
  margin: 0 auto;
  padding: 0 1.5rem;
}
.policy-content h2 { font-size: 1.5rem; margin-top: 2.5rem; margin-bottom: 0.8rem; color: var(--text-primary); }
.policy-content h3 { font-size: 1.1rem; margin-top: 1.5rem; margin-bottom: 0.5rem; color: var(--primary-light); }
.policy-content p { color: var(--text-secondary); margin-bottom: 1rem; font-size: 0.97rem; line-height: 1.8; }
.policy-content ul { padding-left: 1.2rem; margin-bottom: 1rem; }
.policy-content ul li { color: var(--text-secondary); margin-bottom: 0.4rem; font-size: 0.95rem; list-style: disc; }
.policy-content a { color: var(--primary-light); text-decoration: underline; }
.policy-box {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-left: 3px solid var(--primary);
  border-radius: var(--radius);
  padding: 1.2rem 1.5rem;
  margin: 1.5rem 0;
}
.policy-box p { font-size: 0.9rem; margin: 0; }
.last-updated { font-size: 0.82rem; color: var(--text-muted); margin-bottom: 2rem; }

/* ── Footer ── */
.footer {
  background: #050810;
  border-top: 1px solid var(--dark-border);
  padding: 4rem 0 2rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}
.footer-brand .logo { margin-bottom: 1rem; }
.footer-brand p { font-size: 0.9rem; max-width: 300px; }
.footer-links h4 { font-size: 0.9rem; font-weight: 700; margin-bottom: 1rem; color: var(--text-primary); }
.footer-links ul li { margin-bottom: 0.6rem; }
.footer-links ul li a {
  font-size: 0.87rem;
  color: var(--text-muted);
  transition: var(--transition);
}
.footer-links ul li a:hover { color: var(--primary-light); padding-left: 4px; }
.footer-bottom {
  border-top: 1px solid var(--dark-border);
  padding-top: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-bottom p { font-size: 0.83rem; color: var(--text-muted); margin: 0; }
.footer-bottom a { color: var(--primary-light); }
.social-links { display: flex; gap: 0.7rem; }
.social-link {
  width: 36px; height: 36px;
  border-radius: 9px;
  background: rgba(124,58,237,0.15);
  border: 1px solid rgba(124,58,237,0.3);
  display: flex; align-items: center; justify-content: center;
  color: var(--primary-light);
  font-size: 0.9rem;
  transition: var(--transition);
}
.social-link:hover { background: var(--gradient-cta); border-color: transparent; color: #fff; }
@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* ── Animations ── */
@keyframes fadeUp { from { opacity:0; transform:translateY(30px); } to { opacity:1; transform:translateY(0); } }
@keyframes fadeIn { from { opacity:0; } to { opacity:1; } }
@keyframes pulse-glow { 0%,100%{ box-shadow:0 0 0 0 rgba(124,58,237,0.4); } 50%{ box-shadow:0 0 0 12px rgba(124,58,237,0); } }
@keyframes float { 0%,100%{ transform:translateY(0px); } 50%{ transform:translateY(-12px); } }

.animate-fade-up { animation: fadeUp 0.7s ease both; }
.animate-fade-up.delay-1 { animation-delay: 0.15s; }
.animate-fade-up.delay-2 { animation-delay: 0.3s; }
.animate-fade-up.delay-3 { animation-delay: 0.45s; }
.animate-fade-up.delay-4 { animation-delay: 0.6s; }
.float-anim { animation: float 5s ease-in-out infinite; }
.pulse-btn { animation: pulse-glow 2.5s ease infinite; }

/* Scroll reveal (JS adds class) */
.reveal { opacity:0; transform:translateY(30px); transition:opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity:1; transform:translateY(0); }

/* ── Toast Notification ── */
.toast {
  position: fixed;
  bottom: 2rem; right: 2rem;
  background: var(--dark-card);
  border: 1px solid rgba(124,58,237,0.4);
  border-radius: var(--radius);
  padding: 1rem 1.5rem;
  font-size: 0.9rem;
  z-index: 9999;
  box-shadow: var(--shadow-card);
  transform: translateX(120%);
  transition: transform 0.4s cubic-bezier(0.4,0,0.2,1);
}
.toast.show { transform: translateX(0); }
.toast.success { border-color: rgba(34,197,94,0.5); }
.toast.error { border-color: rgba(239,68,68,0.5); }

/* ── Back to Top ── */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  left: 2rem;
  width: 42px; height: 42px;
  background: var(--gradient-cta);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  color: #fff;
  cursor: pointer;
  box-shadow: var(--shadow-primary);
  opacity: 0;
  transition: var(--transition);
  z-index: 900;
  border: none;
}
.back-to-top.show { opacity: 1; }
.back-to-top:hover { transform: translateY(-3px); }

/* ── Responsive ── */
@media (max-width: 1024px) {
  .hero-image-wrap { width: 44%; }
  .hero-content { max-width: 560px; }
}
@media (max-width: 900px) {
  .hero-image-wrap { display: none; }
  .hero-content { max-width: 100%; text-align: center; }
  .hero-buttons, .hero-stats { justify-content: center; }
}
@media (max-width: 768px) {
  .section { padding: 4rem 0; }
  .nav-links, .nav-cta { display: none; }
  .hamburger { display: flex; }
}
@media (max-width: 480px) {
  .cta-section { padding: 3rem 1.5rem; }
}