/* YPN USA Premium Design System — Stripe / Linear / Notion style */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
  --navy: #001F3F;
  --gold: #FFB400;
  --white: #FFFFFF;
  --gray: #F5F7FA;
  --deep-blue: #003399;
  --text: #0F172A;
  --muted: #64748B;
  --border: #E2E8F0;
  --shadow-sm: 0 1px 3px rgba(0, 31, 63, 0.06);
  --shadow-md: 0 8px 24px rgba(0, 31, 63, 0.08);
  --shadow-lg: 0 16px 48px rgba(0, 31, 63, 0.12);
  --radius: 10px;
  --radius-lg: 12px;
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-5: 48px;
  --space-6: 64px;
  --space-7: 80px;
  --space-8: 96px;
  --space-9: 120px;
  --container: 1200px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 17px;
  line-height: 1.65;
  color: var(--text);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--space-3);
}

/* ─── NAV ─── */
nav {
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.92);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
}

nav .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-3);
}

nav a.logo {
  font-size: 20px;
  font-weight: 800;
  color: var(--navy);
  letter-spacing: -0.03em;
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: var(--space-3);
  align-items: center;
  flex-wrap: wrap;
}

nav a:not(.logo):not(.btn) {
  color: var(--navy);
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
  transition: color 0.2s;
}

nav a:not(.logo):not(.btn):hover { color: var(--deep-blue); }

/* ─── BUTTONS ─── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 16px 28px;
  background: var(--gold);
  color: var(--navy);
  border-radius: 8px;
  font-weight: 700;
  font-size: 15px;
  text-decoration: none;
  border: 2px solid var(--gold);
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
  cursor: pointer;
}

.btn:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-md);
  background: #FFC233;
  border-color: #FFC233;
}

.btn-outline {
  background: var(--white);
  color: var(--navy);
  border-color: var(--navy);
}

.btn-outline:hover {
  background: var(--navy);
  color: var(--white);
  border-color: var(--navy);
}

.btn-sm {
  padding: 10px 18px;
  font-size: 14px;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

/* ─── HERO ─── */
.hero {
  background: linear-gradient(160deg, var(--navy) 0%, var(--deep-blue) 55%, #002855 100%);
  color: var(--white);
  padding: var(--space-9) var(--space-3);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 70% 20%, rgba(255, 180, 0, 0.12), transparent);
  pointer-events: none;
}

.hero .container { position: relative; z-index: 1; }

.hero-full .hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  align-items: center;
}

.hero .eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: var(--space-2);
}

.hero h1 {
  font-size: clamp(40px, 5.5vw, 64px);
  line-height: 1.05;
  font-weight: 800;
  letter-spacing: -0.03em;
  max-width: 720px;
}

.hero p, .hero .hero-sub {
  font-size: clamp(18px, 2.2vw, 22px);
  color: rgba(255, 255, 255, 0.78);
  max-width: 560px;
  margin-top: var(--space-3);
  line-height: 1.55;
  font-weight: 400;
}

.hero-visual {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.hero-visual img {
  width: 100%;
  display: block;
  aspect-ratio: 16/10;
  object-fit: cover;
}

/* ─── SECTIONS ─── */
.section {
  padding: var(--space-8) var(--space-3);
}

.section-lg { padding: var(--space-9) var(--space-3); }

.section.gray, .section-gray { background: var(--gray); }

.section.navy, .section-navy {
  background: var(--navy);
  color: var(--white);
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto var(--space-6);
}

.section-header h2 {
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--navy);
  margin-bottom: var(--space-2);
}

.section-navy .section-header h2 { color: var(--white); }

.section-lead {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.6;
  max-width: 640px;
}

.section-header .section-lead { margin: 0 auto; }

h2 {
  font-size: clamp(28px, 3.5vw, 40px);
  font-weight: 800;
  color: var(--navy);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-2);
}

h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: var(--space-1);
  letter-spacing: -0.01em;
}

/* ─── GRIDS & CARDS ─── */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.card, .tool-card, .feature-card {
  background: var(--white);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s, transform 0.2s;
}

.card:hover, .tool-card:hover, .feature-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card p, .tool-card p, .feature-card p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.6;
  margin-top: var(--space-1);
}

.card a, .tool-card a {
  display: inline-flex;
  margin-top: var(--space-2);
  color: var(--deep-blue);
  font-weight: 700;
  font-size: 14px;
  text-decoration: none;
}

.card a:hover, .tool-card a:hover { color: var(--gold); }

.tool-card .tool-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--navy), var(--deep-blue));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: var(--space-2);
}

/* ─── PAIN / TRANSFORM ─── */
.split-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  align-items: start;
}

.pain-card, .transform-card {
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}

.pain-card {
  background: var(--white);
  border-left: 4px solid #CBD5E1;
}

.transform-card {
  background: linear-gradient(135deg, rgba(0, 51, 153, 0.04), rgba(255, 180, 0, 0.06));
  border-left: 4px solid var(--gold);
}

.pain-card h3, .transform-card h3 { margin-bottom: var(--space-2); }

.pain-card ul, .transform-card ul {
  list-style: none;
  margin-top: var(--space-2);
}

.pain-card li, .transform-card li {
  padding: var(--space-1) 0 var(--space-1) var(--space-3);
  position: relative;
  color: var(--muted);
  font-size: 15px;
}

.pain-card li::before {
  content: '×';
  position: absolute;
  left: 0;
  color: #94A3B8;
  font-weight: 700;
}

.transform-card li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--gold);
  font-weight: 700;
}

/* ─── DASHBOARD PREVIEW ─── */
.dashboard-preview {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-6);
  align-items: center;
}

.dashboard-preview.reverse { direction: rtl; }
.dashboard-preview.reverse > * { direction: ltr; }

.dashboard-copy h2 { margin-bottom: var(--space-2); }

.dashboard-copy p {
  color: var(--muted);
  margin-bottom: var(--space-2);
  font-size: 16px;
}

.dashboard-frame {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
  background: var(--white);
}

.dashboard-frame img {
  width: 100%;
  display: block;
  aspect-ratio: 16/10;
  object-fit: cover;
}

.dashboard-caption {
  padding: var(--space-2) var(--space-3);
  font-size: 13px;
  color: var(--muted);
  border-top: 1px solid var(--border);
  background: var(--gray);
}

/* ─── TESTIMONIALS ─── */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-3);
}

.testimonial {
  background: var(--white);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.testimonial blockquote {
  font-size: 16px;
  line-height: 1.65;
  color: var(--text);
  font-style: normal;
  margin-bottom: var(--space-3);
}

.testimonial .author {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.testimonial .author img {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
}

.testimonial .author strong {
  display: block;
  font-size: 14px;
  color: var(--navy);
}

.testimonial .author span {
  font-size: 13px;
  color: var(--muted);
}

/* ─── PRICING ─── */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-3);
  margin-top: var(--space-4);
  align-items: stretch;
}

.pricing-card {
  position: relative;
  display: flex;
  flex-direction: column;
}

.pricing-card.featured {
  border: 2px solid var(--gold);
  box-shadow: var(--shadow-lg);
}

.pricing-card .badge {
  position: absolute;
  top: -12px;
  left: var(--space-3);
  background: var(--gold);
  color: var(--navy);
  font-size: 11px;
  font-weight: 800;
  padding: 6px 12px;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.price {
  font-size: 48px;
  font-weight: 800;
  color: var(--navy);
  line-height: 1;
  margin: var(--space-2) 0 4px;
  letter-spacing: -0.03em;
}

.price-cents { font-size: 0.5em; }

.price-period {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: var(--space-3);
}

.feature-list {
  list-style: none;
  margin: 0 0 var(--space-3);
  padding: 0;
  flex: 1;
}

.feature-list li {
  padding: var(--space-1) 0 var(--space-1) var(--space-3);
  position: relative;
  color: #334155;
  font-size: 15px;
}

.feature-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--gold);
  font-weight: 700;
}

/* ─── FAQ ─── */
.faq-list { margin-top: var(--space-4); }

.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-2) var(--space-3);
  margin-bottom: var(--space-2);
  background: var(--white);
  box-shadow: var(--shadow-sm);
}

.faq-item summary {
  font-weight: 700;
  color: var(--navy);
  cursor: pointer;
  font-size: 16px;
  list-style: none;
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item p {
  margin-top: var(--space-2);
  color: var(--muted);
  font-size: 15px;
  line-height: 1.65;
}

/* ─── PROSE ─── */
.prose { max-width: 760px; }

.prose p {
  margin: 0 0 var(--space-2);
  color: #334155;
  line-height: 1.75;
  font-size: 16px;
}

.prose h2 { margin: var(--space-5) 0 var(--space-2); }
.prose h3 { margin: var(--space-4) 0 var(--space-1); font-size: 18px; }

.founder-box {
  background: var(--gray);
  border-left: 4px solid var(--gold);
  padding: var(--space-3);
  border-radius: 0 var(--radius) var(--radius) 0;
  margin: var(--space-4) 0;
}

.founder-box p { margin: 0; color: var(--text); font-size: 16px; }

.internal-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

.internal-links a {
  font-size: 14px;
  font-weight: 600;
  color: var(--navy);
  text-decoration: none;
  border: 1px solid var(--border);
  padding: 10px 16px;
  border-radius: 8px;
  background: var(--white);
  transition: border-color 0.2s, color 0.2s;
}

.internal-links a:hover {
  border-color: var(--gold);
  color: var(--deep-blue);
}

/* ─── VIDEO ─── */
.video-embed {
  margin: var(--space-4) 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 2px solid var(--gold);
  box-shadow: var(--shadow-md);
}

.video-embed video {
  width: 100%;
  display: block;
  aspect-ratio: 16/9;
}

/* ─── CTA BAND ─── */
.cta-band {
  background: linear-gradient(135deg, var(--navy), var(--deep-blue));
  color: var(--white);
  padding: var(--space-7) var(--space-3);
  text-align: center;
}

.cta-band h2 {
  color: var(--white);
  font-size: clamp(28px, 4vw, 40px);
  margin-bottom: var(--space-2);
}

.cta-band p {
  color: rgba(255, 255, 255, 0.75);
  max-width: 520px;
  margin: 0 auto var(--space-4);
  font-size: 18px;
}

.cta-band .hero-cta { justify-content: center; }

/* ─── TRUST ROW ─── */
.trust-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-3);
  text-align: center;
}

.trust-row strong {
  display: block;
  font-size: 17px;
  color: var(--navy);
  font-weight: 700;
}

.trust-row span {
  color: var(--muted);
  font-size: 14px;
}

/* ─── FORM ─── */
.form { max-width: 560px; }

.form input, .form textarea {
  width: 100%;
  padding: var(--space-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 16px;
  font-family: inherit;
  color: var(--text);
  margin-bottom: var(--space-2);
  transition: border-color 0.2s, outline 0.2s;
}

.form input:focus, .form textarea:focus {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
  border-color: var(--gold);
}

.form textarea { min-height: 150px; resize: vertical; }

button.btn { border: none; cursor: pointer; font-size: 16px; }

.contact-alt { margin-top: var(--space-4); color: var(--muted); }
.contact-alt a { color: var(--deep-blue); font-weight: 600; }

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  align-items: start;
}

/* ─── FOOTER ─── */
footer {
  background: var(--navy);
  color: rgba(255, 255, 255, 0.65);
  padding: var(--space-7) var(--space-3) var(--space-4);
  font-size: 14px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-5);
  margin-bottom: var(--space-5);
}

.footer-brand strong {
  display: block;
  color: var(--white);
  font-size: 18px;
  font-weight: 800;
  margin-bottom: var(--space-2);
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.6;
  max-width: 280px;
}

.footer-col h4 {
  color: var(--white);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-2);
}

.footer-col a {
  display: block;
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  padding: 6px 0;
  font-size: 14px;
  transition: color 0.2s;
}

.footer-col a:hover { color: var(--gold); }

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-3);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-2);
  font-size: 13px;
}

footer a { color: var(--gold); text-decoration: none; }

/* ─── MOBILE ─── */
@media (max-width: 900px) {
  .hero-full .hero-inner,
  .dashboard-preview,
  .split-section,
  .contact-layout,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .dashboard-preview.reverse { direction: ltr; }

  .hero { padding: var(--space-7) var(--space-3); }

  .section, .section-lg { padding: var(--space-6) var(--space-3); }

  .hero-visual { margin-top: var(--space-4); }

  .nav-links { gap: var(--space-2); }
}

@media (max-width: 600px) {
  .hero h1 { font-size: 36px; }
  .hero-cta { flex-direction: column; align-items: stretch; }
  .hero-cta .btn { text-align: center; }
}