/* ================================================
   SimplifyAMZ Landing Page
   Pure CSS — no frameworks, no build tools
   ================================================ */

:root {
  --brand-blue: #2563eb;
  --brand-blue-dark: #1d4ed8;
  --brand-blue-light: #3b82f6;
  --brand-blue-50: #eff6ff;
  --brand-blue-100: #dbeafe;
  --navy-900: #0f172a;
  --navy-800: #1e293b;
  --navy-700: #334155;
  --slate-50: #f8fafc;
  --slate-100: #f1f5f9;
  --slate-200: #e2e8f0;
  --slate-300: #cbd5e1;
  --slate-400: #94a3b8;
  --slate-500: #64748b;
  --slate-600: #475569;
  --slate-700: #334155;
  --slate-800: #1e293b;
  --white: #ffffff;
  --red-500: #ef4444;
  --red-50: #fef2f2;
  --green-500: #22c55e;
  --green-50: #f0fdf4;
  --amber-500: #f59e0b;
  --amber-50: #fffbeb;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--navy-900);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ---- Container ---- */
.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- Typography ---- */
.section-label {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brand-blue);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.025em;
  color: var(--navy-900);
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--slate-500);
  max-width: 640px;
  line-height: 1.7;
}

/* ---- Scroll Animations ---- */
.fade-up {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.fade-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ================================================
   NAVIGATION
   ================================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  transition: box-shadow 0.3s ease;
}

.nav.scrolled {
  box-shadow: 0 1px 12px rgba(0, 0, 0, 0.06);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-brand {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--navy-900);
}

.nav-brand span {
  color: var(--brand-blue);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--slate-600);
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--navy-900); }

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 22px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--white) !important;
  background: var(--brand-blue);
  border-radius: var(--radius-full);
  transition: background 0.2s, transform 0.15s;
}

.nav-cta:hover {
  background: var(--brand-blue-dark);
  transform: translateY(-1px);
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--navy-900);
  margin: 5px 0;
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

/* ================================================
   HERO
   ================================================ */
.hero {
  position: relative;
  padding: 160px 0 100px;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% -10%, rgba(37, 99, 235, 0.08) 0%, transparent 70%),
    radial-gradient(ellipse 50% 40% at 80% 20%, rgba(37, 99, 235, 0.05) 0%, transparent 60%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px 6px 8px;
  background: var(--brand-blue-50);
  border: 1px solid var(--brand-blue-100);
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--brand-blue);
  margin-bottom: 24px;
}

.hero-badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green-500);
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.hero h1 {
  font-size: clamp(2.25rem, 6vw, 3.75rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.035em;
  color: var(--navy-900);
  margin-bottom: 24px;
}

.hero h1 .highlight {
  background: linear-gradient(135deg, var(--brand-blue) 0%, var(--brand-blue-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: clamp(1.0625rem, 2vw, 1.25rem);
  color: var(--slate-500);
  max-width: 580px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 36px;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--white);
  background: var(--brand-blue);
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
  box-shadow: 0 4px 16px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
  background: var(--brand-blue-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.35);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 32px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--slate-700);
  background: transparent;
  border: 1.5px solid var(--slate-200);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
}

.btn-secondary:hover {
  border-color: var(--slate-400);
  color: var(--navy-900);
}

/* Hero stat pills */
.hero-stats {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin-top: 56px;
  padding-top: 40px;
  border-top: 1px solid var(--slate-200);
}

.hero-stat {
  text-align: center;
}

.hero-stat-value {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--navy-900);
  letter-spacing: -0.02em;
}

.hero-stat-label {
  font-size: 0.8125rem;
  color: var(--slate-400);
  margin-top: 2px;
}

/* ================================================
   PROBLEM SECTION
   ================================================ */
.problem {
  padding: 100px 0;
  background: var(--slate-50);
}

.problem-header {
  text-align: center;
  margin-bottom: 56px;
}

.problem-header .section-subtitle {
  margin: 0 auto;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.problem-card {
  position: relative;
  padding: 32px;
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--slate-200);
  transition: border-color 0.3s, box-shadow 0.3s;
}

.problem-card:hover {
  border-color: var(--slate-300);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.04);
}

.problem-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  font-size: 1.375rem;
  margin-bottom: 20px;
}

.problem-icon.red { background: var(--red-50); }
.problem-icon.amber { background: var(--amber-50); }

.problem-card h3 {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--navy-900);
  margin-bottom: 8px;
  line-height: 1.3;
}

.problem-card p {
  font-size: 0.9375rem;
  color: var(--slate-500);
  line-height: 1.65;
}

/* ================================================
   HOW IT WORKS
   ================================================ */
.how-it-works {
  padding: 100px 0;
}

.how-header {
  text-align: center;
  margin-bottom: 64px;
}

.how-header .section-subtitle { margin: 0 auto; }

.steps-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  position: relative;
}

/* connector line */
.steps-row::before {
  content: '';
  position: absolute;
  top: 40px;
  left: calc(16.666% + 32px);
  right: calc(16.666% + 32px);
  height: 2px;
  background: var(--slate-200);
}

.step-card {
  text-align: center;
  position: relative;
}

.step-number {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  border-radius: 50%;
  background: var(--brand-blue-50);
  border: 2px solid var(--brand-blue-100);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--brand-blue);
  position: relative;
  z-index: 1;
}

.step-icon {
  font-size: 2rem;
  margin-bottom: 16px;
}

.step-card h3 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--navy-900);
  margin-bottom: 8px;
}

.step-card p {
  font-size: 0.9375rem;
  color: var(--slate-500);
  max-width: 280px;
  margin: 0 auto;
  line-height: 1.65;
}

/* ================================================
   FEATURES / WHAT YOU GET
   ================================================ */
.features {
  padding: 100px 0;
  background: var(--slate-50);
}

.features-header {
  text-align: center;
  margin-bottom: 56px;
}

.features-header .section-subtitle { margin: 0 auto; }

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.feature-card {
  padding: 32px;
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--slate-200);
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s;
}

.feature-card:hover {
  border-color: var(--brand-blue-100);
  box-shadow: 0 8px 32px rgba(37, 99, 235, 0.06);
  transform: translateY(-2px);
}

.feature-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--brand-blue-50);
  font-size: 1.25rem;
  margin-bottom: 20px;
}

.feature-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--navy-900);
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 0.875rem;
  color: var(--slate-500);
  line-height: 1.65;
}

/* ================================================
   SAVINGS HOOK
   ================================================ */
.savings {
  padding: 100px 0;
}

.savings-inner {
  position: relative;
  padding: 56px;
  background: linear-gradient(135deg, var(--brand-blue-50) 0%, var(--white) 100%);
  border-radius: var(--radius-xl);
  border: 1px solid var(--brand-blue-100);
}

.savings-content {
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
}

.savings-content h2 {
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--navy-900);
  margin-bottom: 20px;
}

.savings-content p {
  font-size: 1rem;
  color: var(--slate-500);
  line-height: 1.75;
  margin-bottom: 16px;
}

.savings-content p:last-child {
  margin-bottom: 0;
}

.savings-callout {
  font-weight: 600;
  color: var(--navy-900) !important;
  font-size: 1.0625rem !important;
  margin-top: 24px !important;
  padding-top: 24px;
  border-top: 1px solid var(--brand-blue-100);
}

@media (max-width: 768px) {
  .savings-inner { padding: 40px 24px; }
}

/* ================================================
   TRUST / PRIVACY
   ================================================ */
.trust {
  padding: 100px 0;
}

.trust-inner {
  position: relative;
  padding: 56px;
  background: linear-gradient(135deg, var(--navy-900) 0%, var(--navy-800) 100%);
  border-radius: var(--radius-xl);
  color: var(--white);
  overflow: hidden;
}

.trust-inner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.trust-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
}

.trust-icon {
  font-size: 3rem;
  margin-bottom: 24px;
}

.trust-content h2 {
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.trust-content p {
  font-size: 1.0625rem;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.7;
  margin-bottom: 32px;
}

.trust-badges {
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
}

.trust-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9375rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.9);
}

.trust-badge-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  font-size: 1rem;
}

/* ================================================
   FAQ
   ================================================ */
.faq {
  padding: 100px 0;
  background: var(--slate-50);
}

.faq-header {
  text-align: center;
  margin-bottom: 56px;
}

.faq-header .section-subtitle { margin: 0 auto; }

.faq-list {
  max-width: 720px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--slate-200);
}

.faq-item:first-child {
  border-top: 1px solid var(--slate-200);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 24px 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--navy-900);
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  line-height: 1.4;
}

.faq-question:hover { color: var(--brand-blue); }

.faq-chevron {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  transition: transform 0.3s ease;
}

.faq-item.is-open .faq-chevron {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.16, 1, 0.3, 1),
              padding 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.faq-answer-inner {
  padding-bottom: 24px;
  font-size: 0.9375rem;
  color: var(--slate-500);
  line-height: 1.7;
}

/* ================================================
   BOTTOM CTA
   ================================================ */
.bottom-cta {
  padding: 100px 0;
  text-align: center;
}

.bottom-cta h2 {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.03em;
  color: var(--navy-900);
  margin-bottom: 16px;
}

.bottom-cta p {
  font-size: 1.125rem;
  color: var(--slate-500);
  margin-bottom: 40px;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
}

/* ================================================
   FOOTER
   ================================================ */
.site-footer {
  padding: 40px 0;
  border-top: 1px solid var(--slate-200);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-brand {
  font-size: 1rem;
  font-weight: 700;
  color: var(--navy-900);
}

.footer-brand span { color: var(--brand-blue); }

.footer-links {
  display: flex;
  gap: 24px;
  list-style: none;
}

.footer-links a {
  font-size: 0.8125rem;
  color: var(--slate-400);
  transition: color 0.2s;
}

.footer-links a:hover { color: var(--slate-600); }

.footer-disclaimer {
  width: 100%;
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--slate-100);
  font-size: 0.75rem;
  color: var(--slate-400);
  line-height: 1.6;
  text-align: center;
}

/* ================================================
   RESPONSIVE
   ================================================ */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-toggle { display: block; }

  .nav-links.is-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--white);
    padding: 24px;
    gap: 20px;
    border-bottom: 1px solid var(--slate-200);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
  }

  .hero { padding: 120px 0 72px; }

  .hero-stats {
    gap: 24px;
    flex-wrap: wrap;
  }

  .problem-grid {
    grid-template-columns: 1fr;
  }

  .steps-row {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .steps-row::before { display: none; }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .trust-inner { padding: 40px 24px; }

  .trust-badges {
    gap: 20px;
    flex-direction: column;
    align-items: center;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }

  .footer-links {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 2rem; }
  .hero-cta-group { flex-direction: column; }
  .btn-primary, .btn-secondary { width: 100%; justify-content: center; }
}