/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --navy: #0f172a;
  --navy-mid: #1e293b;
  --indigo: #4f46e5;
  --indigo-light: #6366f1;
  --indigo-pale: #eef2ff;
  --green: #16a34a;
  --orange: #ea580c;
  --red: #dc2626;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-400: #9ca3af;
  --gray-600: #4b5563;
  --gray-800: #1f2937;
  --white: #ffffff;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --radius: 10px;
  --radius-lg: 16px;
  --shadow: 0 1px 3px rgba(0,0,0,.08), 0 4px 16px rgba(0,0,0,.06);
  --shadow-lg: 0 8px 32px rgba(0,0,0,.12);
}

html { scroll-behavior: smooth; }
body { font-family: var(--font); color: var(--gray-800); background: var(--white); line-height: 1.6; -webkit-font-smoothing: antialiased; }
a { color: var(--indigo); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ===== LAYOUT ===== */
.container { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 780px; }
.section { padding: 80px 0; }
.bg-light { background: var(--gray-50); }

/* ===== TYPOGRAPHY ===== */
h1 { font-size: clamp(2rem, 5vw, 3rem); font-weight: 800; line-height: 1.15; color: var(--navy); }
h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); font-weight: 700; color: var(--navy); }
h3 { font-size: 1.2rem; font-weight: 600; color: var(--navy); }
h4 { font-size: 1rem; font-weight: 600; color: var(--navy); }
.section-title { text-align: center; margin-bottom: 12px; }
.section-title.left { text-align: left; }
.section-sub { text-align: center; color: var(--gray-600); max-width: 620px; margin: 0 auto 56px; font-size: 1.05rem; }
.body-text { color: var(--gray-600); line-height: 1.8; margin-bottom: 20px; font-size: 1rem; }
.content-list { padding-left: 22px; color: var(--gray-600); margin-bottom: 20px; }
.content-list li { margin-bottom: 8px; line-height: 1.7; font-size: 0.96rem; }
.content-list li::marker { color: var(--indigo); }

/* ===== BUTTONS ===== */
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 12px 24px; border-radius: 8px; font-weight: 600; font-size: 0.95rem; cursor: pointer; transition: all .2s; border: none; text-decoration: none; white-space: nowrap; }
.btn-primary { background: var(--indigo); color: var(--white); }
.btn-primary:hover { background: #4338ca; text-decoration: none; }
.btn-outline { background: transparent; color: var(--indigo); border: 2px solid var(--indigo); }
.btn-outline:hover { background: var(--indigo-pale); text-decoration: none; }
.btn-white { background: var(--white); color: var(--navy); }
.btn-white:hover { background: var(--gray-100); text-decoration: none; }
.full-width { width: 100%; }

/* ===== BADGE ===== */
.badge { display: inline-block; background: var(--indigo-pale); color: var(--indigo); font-size: 0.8rem; font-weight: 600; padding: 4px 12px; border-radius: 100px; margin-bottom: 20px; text-transform: uppercase; letter-spacing: .05em; }

/* ===== NAVBAR ===== */
.navbar { background: var(--white); border-bottom: 1px solid var(--gray-200); position: sticky; top: 0; z-index: 100; }
.nav-inner { display: flex; align-items: center; height: 68px; gap: 32px; }
.logo { font-size: 1.35rem; font-weight: 800; color: var(--navy); text-decoration: none; letter-spacing: -.02em; }
.logo span { color: var(--indigo); }
.nav-links { display: flex; gap: 28px; flex: 1; }
.nav-links a { color: var(--gray-600); font-size: 0.9rem; font-weight: 500; text-decoration: none; transition: color .15s; }
.nav-links a:hover, .nav-links a.active { color: var(--indigo); }
.nav-cta { margin-left: auto; flex-shrink: 0; }
.mobile-menu-btn { display: none; background: none; border: none; font-size: 1.4rem; cursor: pointer; color: var(--navy); }
.mobile-menu { display: none; flex-direction: column; background: var(--white); border-top: 1px solid var(--gray-200); padding: 16px 24px; gap: 16px; }
.mobile-menu a { color: var(--gray-800); font-weight: 500; }

/* ===== HERO ===== */
.hero { background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 100%); padding: 80px 0 60px; }
.hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.hero-text h1 { color: var(--white); margin-bottom: 20px; }
.hero-text p { color: #94a3b8; font-size: 1.1rem; margin-bottom: 36px; line-height: 1.7; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* Email mock */
.email-mock { background: #1e293b; border-radius: var(--radius-lg); padding: 20px; box-shadow: var(--shadow-lg); }
.mock-header { display: flex; align-items: center; gap: 8px; margin-bottom: 16px; }
.dot { width: 12px; height: 12px; border-radius: 50%; }
.dot.red { background: #ef4444; }
.dot.yellow { background: #f59e0b; }
.dot.green { background: #22c55e; }
.mock-title { color: #64748b; font-size: 0.8rem; margin-left: auto; }
.inbox-rows { display: flex; flex-direction: column; gap: 2px; }
.inbox-row { background: #0f172a; border-radius: 6px; padding: 10px 12px; cursor: default; }
.inbox-row.active { background: #1e3a5f; border-left: 3px solid var(--indigo-light); }
.inbox-sender { font-size: 0.75rem; font-weight: 700; color: #e2e8f0; margin-bottom: 2px; }
.inbox-subject { font-size: 0.72rem; color: #94a3b8; }
.inbox-time { font-size: 0.68rem; color: #475569; margin-top: 2px; }

/* ===== PAGE HERO ===== */
.page-hero { background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 100%); padding: 64px 0 56px; }
.page-hero h1 { color: var(--white); margin-bottom: 12px; }
.page-hero p { color: #94a3b8; font-size: 1.1rem; max-width: 560px; }

/* ===== CARDS GRID ===== */
.cards-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin-top: 16px; }
.info-card { background: var(--white); border: 1px solid var(--gray-200); border-radius: var(--radius-lg); padding: 32px; box-shadow: var(--shadow); transition: transform .2s, box-shadow .2s; }
.info-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.card-icon { font-size: 2.2rem; margin-bottom: 16px; }
.info-card h3 { margin-bottom: 10px; }
.info-card p { color: var(--gray-600); font-size: 0.93rem; line-height: 1.65; }

/* ===== COMPANY BOX ===== */
.company-box { border: 1px solid var(--gray-200); border-radius: var(--radius-lg); overflow: hidden; margin-top: 24px; }
.company-row { display: grid; grid-template-columns: 200px 1fr; padding: 14px 20px; border-bottom: 1px solid var(--gray-100); font-size: 0.93rem; }
.company-row:last-child { border-bottom: none; }
.company-row span { color: var(--gray-400); font-size: 0.85rem; }
.company-row strong { color: var(--gray-800); }
.company-row strong a { color: var(--indigo); }

/* ===== INFO TABLE ===== */
.info-table { width: 100%; border-collapse: collapse; margin-top: 12px; }
.info-table td { padding: 12px 16px; border: 1px solid var(--gray-200); font-size: 0.93rem; }
.info-table tr:nth-child(even) td { background: var(--gray-50); }

/* ===== CTA BANNER ===== */
.cta-banner { background: linear-gradient(135deg, var(--indigo) 0%, #4338ca 100%); padding: 72px 0; }
.cta-inner { text-align: center; }
.cta-inner h2 { color: var(--white); margin-bottom: 16px; }
.cta-inner p { color: rgba(255,255,255,.8); margin-bottom: 32px; font-size: 1.05rem; }

/* ===== LEGAL ===== */
.legal-content { max-width: 800px; }
.legal-content h2 { font-size: 1.3rem; margin: 36px 0 12px; color: var(--navy); border-bottom: 2px solid var(--gray-200); padding-bottom: 8px; }
.legal-content p { color: var(--gray-600); margin-bottom: 14px; line-height: 1.8; font-size: 0.96rem; }
.legal-content ul { color: var(--gray-600); padding-left: 24px; margin-bottom: 16px; }
.legal-content ul li { margin-bottom: 6px; line-height: 1.7; font-size: 0.96rem; }
.contact-block { background: var(--gray-50); border: 1px solid var(--gray-200); border-radius: var(--radius); padding: 20px 24px; margin-top: 12px; }
.contact-block p { margin: 0; line-height: 1.9; color: var(--gray-700); }

/* ===== CONTACT PAGE ===== */
.contact-layout { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 60px; align-items: start; }
.contact-form-wrap h2, .contact-info h2 { margin-bottom: 24px; }
.contact-info > p { color: var(--gray-600); margin-bottom: 28px; }
.contact-form { display: flex; flex-direction: column; gap: 18px; }
.form-row.two { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 0.88rem; font-weight: 600; color: var(--gray-800); }
.form-group input, .form-group select, .form-group textarea {
  padding: 11px 14px; border: 1px solid var(--gray-200); border-radius: 8px;
  font-size: 0.93rem; font-family: var(--font); color: var(--gray-800);
  background: var(--white); transition: border-color .2s, box-shadow .2s; outline: none;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--indigo); box-shadow: 0 0 0 3px rgba(79,70,229,.1);
}
.form-group textarea { resize: vertical; }
.form-success { background: #f0fdf4; border: 1px solid #bbf7d0; color: var(--green); padding: 14px; border-radius: 8px; font-weight: 500; margin-top: 8px; }

.info-block { display: flex; gap: 14px; align-items: flex-start; margin-bottom: 20px; }
.info-icon { font-size: 1.2rem; margin-top: 2px; }
.info-block strong { display: block; font-size: 0.85rem; color: var(--gray-400); margin-bottom: 2px; }
.info-block a, .info-block span { font-weight: 500; color: var(--gray-800); }
.contact-note { background: var(--indigo-pale); border-radius: var(--radius); padding: 18px; margin-top: 20px; }
.contact-note h4 { color: var(--indigo); margin-bottom: 8px; font-size: 0.9rem; }
.contact-note p { color: var(--gray-600); font-size: 0.88rem; line-height: 1.6; margin: 0; }

/* ===== FOOTER ===== */
.footer { background: var(--navy); color: #94a3b8; padding-top: 60px; }
.footer-inner { display: grid; grid-template-columns: 1.5fr 1fr; gap: 60px; padding-bottom: 48px; }
.footer-brand .logo { color: var(--white); margin-bottom: 12px; display: block; }
.footer-brand p { font-size: 0.88rem; color: #64748b; }
.footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.footer-links h5 { color: var(--white); font-size: 0.85rem; font-weight: 600; text-transform: uppercase; letter-spacing: .06em; margin-bottom: 14px; }
.footer-links a { display: block; color: #64748b; font-size: 0.88rem; margin-bottom: 8px; transition: color .15s; }
.footer-links a:hover { color: var(--white); text-decoration: none; }
.footer-bottom { border-top: 1px solid #1e293b; padding: 20px 0; display: flex; flex-direction: column; gap: 8px; }
.footer-bottom p { font-size: 0.8rem; color: #475569; }
.footer-bottom .disclaimer { font-size: 0.72rem; color: #334155; line-height: 1.6; border-top: 1px solid #1e293b; padding-top: 10px; margin-top: 4px; }

/* ===== AMAZON ADS API SECTION ===== */
.api-highlights { display: flex; flex-direction: column; gap: 20px; margin-top: 28px; }
.api-item { display: flex; gap: 18px; align-items: flex-start; background: var(--gray-50); border: 1px solid var(--gray-200); border-radius: var(--radius); padding: 20px; }
.api-icon { font-size: 1.8rem; flex-shrink: 0; }
.api-item h4 { margin-bottom: 6px; font-size: 1rem; }
.api-item p { color: var(--gray-600); font-size: 0.9rem; line-height: 1.65; margin: 0; }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .cards-grid { grid-template-columns: 1fr; }
  .contact-layout { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .company-row { grid-template-columns: 140px 1fr; }
}

@media (max-width: 680px) {
  .nav-links, .nav-cta { display: none; }
  .mobile-menu-btn { display: block; }
  .form-row.two { grid-template-columns: 1fr; }
  .footer-links { grid-template-columns: 1fr 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .section { padding: 56px 0; }
  .company-row { grid-template-columns: 1fr; gap: 4px; }
}