:root {
  --primary: #1a56db;
  --primary-dark: #1e40af;
  --primary-light: #3b82f6;
  --secondary: #047857;
  --secondary-dark: #065f46;
  --accent: #b45309;
  --accent-dark: #92400e;
  --danger: #dc2626;
  --bg: #f8fafc;
  --bg-white: #ffffff;
  --bg-dark: #0f172a;
  --bg-darker: #020617;
  --text: #1e293b;
  --text-light: #475569;
  --text-lighter: #64748b;
  --border: #e2e8f0;
  --border-light: #f1f5f9;
  --shadow-sm: 0 1px 2px rgba(0,0,0,.05);
  --shadow: 0 4px 6px -1px rgba(0,0,0,.1), 0 2px 4px -2px rgba(0,0,0,.1);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,.1), 0 4px 6px -4px rgba(0,0,0,.1);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,.1), 0 8px 10px -6px rgba(0,0,0,.1);
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --transition: all .3s cubic-bezier(.4,0,.2,1);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-heading: 'Plus Jakarta Sans', var(--font);
}

*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
button { cursor: pointer; border: none; font-family: inherit; }
input, select, textarea { font-family: inherit; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== HEADER ===== */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-light);
  transition: var(--transition);
}

.header.scrolled {
  box-shadow: var(--shadow);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--primary);
}

.logo-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.2rem;
  box-shadow: 0 4px 12px rgba(26,86,219,.3);
}

.nav { display: flex; align-items: center; gap: 8px; }

.nav a {
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: .9rem;
  color: var(--text-light);
  transition: var(--transition);
}

.nav a:hover, .nav a.active {
  color: var(--primary);
  background: rgba(26,86,219,.06);
}

.nav-cta {
  background: var(--primary) !important;
  color: #fff !important;
  padding: 10px 24px !important;
  border-radius: var(--radius-sm) !important;
  font-weight: 600 !important;
  box-shadow: 0 4px 12px rgba(26,86,219,.3);
}

.nav-cta:hover {
  background: var(--primary-dark) !important;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(26,86,219,.4) !important;
}

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  padding: 8px;
}

.mobile-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

/* ===== HERO ===== */
.hero {
  padding: 140px 0 80px;
  background: linear-gradient(135deg, #eff6ff 0%, #f8fafc 50%, #ecfdf5 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px; right: -200px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(26,86,219,.08) 0%, transparent 70%);
  border-radius: 50%;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -150px; left: -150px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(5,150,105,.06) 0%, transparent 70%);
  border-radius: 50%;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(26,86,219,.08);
  color: var(--primary);
  padding: 8px 20px;
  border-radius: 100px;
  font-size: .85rem;
  font-weight: 600;
  margin-bottom: 24px;
  border: 1px solid rgba(26,86,219,.12);
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.15;
  color: var(--bg-dark);
  margin-bottom: 24px;
  letter-spacing: -.02em;
}

.hero h1 span {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.2rem;
  color: var(--text-light);
  margin-bottom: 36px;
  max-width: 520px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 1rem;
  transition: var(--transition);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  box-shadow: 0 4px 16px rgba(26,86,219,.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(26,86,219,.4);
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 2px solid var(--border);
}

.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(26,86,219,.04);
}

.hero-visual {
  position: relative;
}

.hero-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--border-light);
}

.hero-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-light);
}

.hero-card-icon {
  width: 48px; height: 48px;
  background: linear-gradient(135deg, var(--secondary), #34d399);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.3rem;
}

.hero-card-header h3 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
}

.hero-card-header p {
  font-size: .85rem;
  color: var(--text-light);
  margin: 0;
}

.metric-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 24px;
}

.metric {
  background: var(--bg);
  padding: 20px;
  border-radius: var(--radius);
  text-align: center;
}

.metric-value {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 4px;
}

.metric-label {
  font-size: .8rem;
  color: var(--text-light);
  font-weight: 500;
}

.metric-change {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: .75rem;
  font-weight: 600;
  color: var(--secondary);
  margin-top: 4px;
}

.hero-stats {
  display: flex;
  gap: 32px;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--border-light);
}

.hero-stat h4 {
  font-size: 1.1rem;
  font-weight: 700;
}

.hero-stat p {
  font-size: .8rem;
  color: var(--text-light);
  margin: 0;
}

/* ===== TRUST BAR ===== */
.trust-bar {
  padding: 40px 0;
  background: var(--bg-white);
  border-bottom: 1px solid var(--border-light);
}

.trust-bar p {
  text-align: center;
  font-size: .85rem;
  color: var(--text-lighter);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: 24px;
}

.trust-logos {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}

.trust-logo {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--text);
}

/* ===== SECTIONS ===== */
.section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 64px;
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(26,86,219,.06);
  color: var(--primary);
  padding: 6px 16px;
  border-radius: 100px;
  font-size: .8rem;
  font-weight: 600;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: .05em;
}

.section-header h2 {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--bg-dark);
  margin-bottom: 16px;
  line-height: 1.2;
  letter-spacing: -.01em;
}

.section-header p {
  font-size: 1.1rem;
  color: var(--text-light);
}

/* ===== TOOLS GRID ===== */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.tool-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 32px;
  border: 1px solid var(--border-light);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.tool-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  opacity: 0;
  transition: var(--transition);
}

.tool-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.tool-card:hover::before { opacity: 1; }

.tool-icon {
  width: 56px; height: 56px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
}

.tool-icon.blue { background: rgba(26,86,219,.08); color: var(--primary); }
.tool-icon.green { background: rgba(5,150,105,.08); color: var(--secondary); }
.tool-icon.amber { background: rgba(245,158,11,.08); color: var(--accent-dark); }
.tool-icon.red { background: rgba(220,38,38,.08); color: var(--danger); }
.tool-icon.purple { background: rgba(124,58,237,.08); color: #7c3aed; }
.tool-icon.cyan { background: rgba(6,182,212,.08); color: #0891b2; }

.tool-card h3 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.tool-card p {
  font-size: .9rem;
  color: var(--text-light);
  margin-bottom: 20px;
  line-height: 1.6;
}

.tool-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
  font-weight: 600;
  font-size: .9rem;
}

.tool-link:hover { gap: 10px; }

/* ===== CALCULATOR SECTIONS ===== */
.calc-section {
  background: var(--bg-white);
  border-radius: var(--radius-xl);
  padding: 48px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border-light);
  margin-bottom: 32px;
}

.calc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.calc-form { display: flex; flex-direction: column; gap: 20px; }

.form-group { display: flex; flex-direction: column; gap: 8px; }

.form-group label {
  font-weight: 600;
  font-size: .9rem;
  color: var(--text);
}

.form-group input, .form-group select {
  padding: 14px 18px;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  transition: var(--transition);
  background: var(--bg);
}

.form-group input:focus, .form-group select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(26,86,219,.1);
  background: var(--bg-white);
}

.calc-btn {
  padding: 16px 32px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 1rem;
  box-shadow: 0 4px 16px rgba(26,86,219,.3);
  transition: var(--transition);
  margin-top: 8px;
}

.calc-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(26,86,219,.4);
}

.result-panel {
  background: linear-gradient(135deg, var(--bg-dark), var(--bg-darker));
  border-radius: var(--radius-lg);
  padding: 32px;
  color: #fff;
  min-height: 300px;
}

.result-panel h3 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 24px;
  opacity: .8;
}

.result-main {
  text-align: center;
  padding: 32px 0;
  border-bottom: 1px solid rgba(255,255,255,.1);
  margin-bottom: 24px;
}

.result-main .value {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 800;
  background: linear-gradient(135deg, #60a5fa, #34d399);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.result-main .label {
  font-size: .9rem;
  opacity: .6;
  margin-top: 4px;
}

.result-details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.result-item {
  background: rgba(255,255,255,.05);
  padding: 16px;
  border-radius: var(--radius-sm);
}

.result-item .val {
  font-size: 1.3rem;
  font-weight: 700;
  color: #60a5fa;
}

.result-item .lab {
  font-size: .75rem;
  opacity: .5;
  margin-top: 2px;
}

/* ===== ADSENSE SLOT ===== */
.ad-slot {
  margin: 48px 0;
  padding: 32px;
  background: var(--border-light);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 280px;
  border: 2px dashed var(--border);
  width: 100%;
}

.ad-slot-horizontal {
  min-height: 120px;
  margin: 24px 0;
  width: 100%;
}

.ad-label {
  font-size: .75rem;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: .1em;
  position: absolute;
  top: 8px;
  left: 16px;
}

/* ===== TEMPLATES SECTION ===== */
.templates-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.template-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-light);
  transition: var(--transition);
}

.template-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.template-preview {
  height: 200px;
  background: linear-gradient(135deg, #eff6ff, #ecfdf5);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
}

.template-info {
  padding: 24px;
}

.template-info h3 {
  font-family: var(--font-heading);
  font-weight: 700;
  margin-bottom: 8px;
}

.template-info p {
  font-size: .85rem;
  color: var(--text-light);
  margin-bottom: 16px;
}

.template-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.template-tag {
  padding: 4px 12px;
  background: rgba(26,86,219,.06);
  color: var(--primary);
  border-radius: 100px;
  font-size: .75rem;
  font-weight: 600;
}

.btn-download {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  background: var(--secondary);
  color: #fff;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: .85rem;
  width: 100%;
  justify-content: center;
}

.btn-download:hover {
  background: var(--secondary-dark);
  transform: translateY(-1px);
}

.check { color: var(--secondary); font-weight: 700; }

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

/* ===== TESTIMONIALS ===== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 32px;
  border: 1px solid var(--border-light);
}

.stars {
  color: var(--accent);
  font-size: 1rem;
  margin-bottom: 16px;
  letter-spacing: 2px;
}

.testimonial-card p {
  font-size: .95rem;
  color: var(--text);
  margin-bottom: 24px;
  font-style: italic;
  line-height: 1.7;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-avatar {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-light), var(--secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
}

.testimonial-name {
  font-weight: 700;
  font-size: .95rem;
}

.testimonial-role {
  font-size: .8rem;
  color: var(--text-light);
}

/* ===== CTA ===== */
.cta-section {
  padding: 100px 0;
  background: linear-gradient(135deg, var(--bg-dark) 0%, #1e3a5f 100%);
  color: #fff;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -100px; right: -100px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(59,130,246,.15) 0%, transparent 70%);
  border-radius: 50%;
}

.cta-section h2 {
  font-family: var(--font-heading);
  font-size: 2.8rem;
  font-weight: 800;
  margin-bottom: 16px;
}

.cta-section p {
  font-size: 1.2rem;
  opacity: .7;
  margin-bottom: 40px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
}

.btn-white {
  background: #fff;
  color: var(--bg-dark);
  padding: 16px 36px;
  font-weight: 700;
  border-radius: var(--radius-sm);
  box-shadow: 0 4px 16px rgba(0,0,0,.2);
}

.btn-white:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,.3);
}

.btn-ghost {
  background: rgba(255,255,255,.1);
  color: #fff;
  border: 2px solid rgba(255,255,255,.2);
  padding: 16px 36px;
  font-weight: 700;
  border-radius: var(--radius-sm);
}

.btn-ghost:hover {
  background: rgba(255,255,255,.15);
  border-color: rgba(255,255,255,.3);
}

/* ===== FOOTER ===== */
.footer {
  background: var(--bg-darker);
  color: rgba(255,255,255,.6);
  padding: 64px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand .logo {
  color: #fff;
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: .9rem;
  line-height: 1.7;
}

.footer h4 {
  color: #fff;
  font-family: var(--font-heading);
  font-weight: 700;
  margin-bottom: 20px;
  font-size: .95rem;
}

.footer-links {
  list-style: none;
}

.footer-links li { margin-bottom: 10px; }

.footer-links a {
  font-size: .9rem;
  color: rgba(255,255,255,.5);
  transition: var(--transition);
}

.footer-links a:hover { color: #fff; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: .85rem;
}



/* ===== NEWSLETTER ===== */
.newsletter-section {
  padding: 80px 0;
}

.newsletter-box {
  background: linear-gradient(135deg, #eff6ff 0%, #f8fafc 50%, #ecfdf5 100%);
  border-radius: var(--radius-xl);
  padding: 64px 48px;
  border: 1px solid var(--border-light);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.newsletter-box::before {
  content: '';
  position: absolute;
  top: -80px; right: -80px;
  width: 250px; height: 250px;
  background: radial-gradient(circle, rgba(26,86,219,.08) 0%, transparent 70%);
  border-radius: 50%;
}

.newsletter-box::after {
  content: '';
  position: absolute;
  bottom: -60px; left: -60px;
  width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(5,150,105,.06) 0%, transparent 70%);
  border-radius: 50%;
}

.newsletter-content {
  position: relative;
  z-index: 1;
  max-width: 560px;
  margin: 0 auto;
}

.newsletter-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.newsletter-content h2 {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  color: var(--bg-dark);
  margin-bottom: 12px;
  letter-spacing: -.01em;
}

.newsletter-content > p {
  font-size: 1.05rem;
  color: var(--text-light);
  margin-bottom: 28px;
  line-height: 1.6;
}

.newsletter-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
}

.newsletter-input-group {
  display: flex;
  gap: 0;
  width: 100%;
  max-width: 480px;
  background: var(--bg-white);
  border-radius: var(--radius-sm);
  border: 2px solid var(--border);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.newsletter-input-group:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(26,86,219,.1);
}

.newsletter-input-group input {
  flex: 1;
  padding: 16px 20px;
  border: none;
  background: transparent;
  font-size: .95rem;
  outline: none;
  min-width: 0;
}

.newsletter-input-group input::placeholder {
  color: var(--text-lighter);
}

.newsletter-input-group .btn {
  border-radius: 0;
  padding: 16px 28px;
  white-space: nowrap;
  font-size: .9rem;
}

.newsletter-note {
  font-size: .8rem;
  color: var(--text-lighter);
  display: flex;
  align-items: center;
  gap: 6px;
}

@media (max-width: 768px) {
  .newsletter-box { padding: 48px 24px; }
  .newsletter-content h2 { font-size: 1.5rem; }
  .newsletter-input-group {
    flex-direction: column;
    border-radius: var(--radius-sm);
  }
  .newsletter-input-group input {
    border-bottom: 1px solid var(--border);
    text-align: center;
  }
  .newsletter-input-group .btn {
    border-radius: 0;
    width: 100%;
  }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .hero h1 { font-size: 2.8rem; }
  .tools-grid, .templates-grid, .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .calc-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .hero p { margin-left: auto; margin-right: auto; }
  .hero-actions { justify-content: center; }
  .hero h1 { font-size: 2.2rem; }
  .tools-grid, .templates-grid, .testimonials-grid {
    grid-template-columns: 1fr;
  }
  .nav {
    display: none;
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    padding: 16px 24px;
    box-shadow: 0 4px 16px rgba(0,0,0,.1);
    border-radius: 0 0 12px 12px;
    z-index: 1001;
  }
  .nav.active { display: flex; }
  .nav a {
    padding: 14px 16px;
    font-size: 1rem;
    border-radius: 8px;
  }
  .nav .nav-cta {
    margin-top: 8px;
    text-align: center;
  }
  .mobile-toggle { display: flex; }
  .mobile-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
  .mobile-toggle.active span:nth-child(2) { opacity: 0; }
  .mobile-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }
  .section { padding: 64px 0; }
  .section-header h2 { font-size: 2rem; }
  .calc-section { padding: 24px; }
  .result-panel { min-height: auto; }
  .cta-section h2 { font-size: 2rem; }
  .cta-actions { flex-direction: column; align-items: center; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 16px; text-align: center; }
}

@media (max-width: 480px) {
  .hero { padding: 120px 0 60px; }
  .hero h1 { font-size: 1.8rem; }
  .hero-visual { display: none; }
  .metric-grid { grid-template-columns: 1fr; }
}

.breadcrumb {
  padding: 12px 0;
  font-size: .85rem;
  color: var(--text-lighter);
}
.breadcrumb a {
  color: var(--primary);
  text-decoration: none;
}
.breadcrumb a:hover {
  text-decoration: underline;
}
.breadcrumb span {
  color: var(--text);
}