/* ============================================================
   GOSENTEPAY — SHARED DESIGN SYSTEM
   Brand: Deep navy #0B1638 + Electric green #00C853
   Used across all public pages (about, pricing, login, etc.)
   ============================================================ */

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

:root {
  --navy:    #0B1638;
  --navy-mid:#162454;
  --green:   #00C853;
  --green-d: #00b548;
  --green-lt:#E8FFF1;
  --surface: #F8F9FC;
  --white:   #FFFFFF;
  --text:    #111827;
  --muted:   #6B7280;
  --border:  #E5E7EB;
  --danger:  #E53935;
  --warn:    #F57C00;
  --radius:  14px;
  --radius-sm: 8px;
  --shadow:  0 1px 3px rgba(0,0,0,.08), 0 4px 16px rgba(0,0,0,.06);
  --shadow-lg: 0 8px 32px rgba(11,22,56,.14);
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
}

html { scroll-behavior: smooth; }
body { font-family: var(--font-body); color: var(--text); background: var(--white); line-height: 1.6; -webkit-font-smoothing: antialiased; }
a { color: inherit; }
img { max-width: 100%; }

/* ---- NAV ---- */
nav.gs-nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0 5%;
}
.nav-inner { max-width: 1200px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; height: 68px; }
.nav-logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.nav-logo img { height: 38px; width: auto; display: block; }
.nav-links { display: flex; align-items: center; gap: 2rem; list-style: none; }
.nav-links a { text-decoration: none; color: var(--muted); font-size: .9rem; font-weight: 500; transition: color .2s; }
.nav-links a:hover, .nav-links a.active { color: var(--navy); }
.nav-cta { display: flex; gap: .75rem; align-items: center; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: .55rem 1.25rem; border-radius: var(--radius-sm); font-weight: 600; font-size: .875rem; text-decoration: none; cursor: pointer; transition: all .2s; border: none; font-family: var(--font-body); }
.btn-ghost { color: var(--navy); background: transparent; border: 1.5px solid var(--border); }
.btn-ghost:hover { border-color: var(--navy); background: var(--surface); }
.btn-primary { background: var(--green); color: var(--navy); }
.btn-primary:hover { background: var(--green-d); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(0,200,83,.3); }
.btn-dark { background: var(--navy); color: var(--white); }
.btn-dark:hover { background: var(--navy-mid); transform: translateY(-1px); }
.btn-lg { padding: .75rem 1.75rem; font-size: 1rem; border-radius: var(--radius); }
.btn-block { width: 100%; }

.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; }
.hamburger span { width: 22px; height: 2px; background: var(--navy); border-radius: 2px; transition: all .3s; display: block; }
.mobile-menu { display: none; flex-direction: column; gap: .25rem; padding: 1rem 5%; background: var(--white); border-bottom: 1px solid var(--border); }
.mobile-menu.open { display: flex; }
.mobile-menu a { padding: .6rem 0; text-decoration: none; color: var(--navy); font-weight: 500; border-bottom: 1px solid var(--surface); }

/* ---- PAGE BANNER ---- */
.page-banner { background: var(--navy); padding: 70px 5% 60px; position: relative; overflow: hidden; }
.page-banner::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse 50% 70% at 85% 40%, rgba(0,200,83,.12) 0%, transparent 70%);
}
.page-banner-inner { max-width: 1200px; margin: 0 auto; position: relative; }
.page-banner .crumb { font-size: .8rem; color: rgba(255,255,255,.5); margin-bottom: .75rem; }
.page-banner .crumb a { color: var(--green); text-decoration: none; }
.page-banner h1 { font-family: var(--font-display); font-size: clamp(1.9rem, 4vw, 2.8rem); font-weight: 700; color: var(--white); letter-spacing: -.03em; }
.page-banner p { color: rgba(255,255,255,.65); margin-top: .75rem; max-width: 560px; }

/* ---- SECTION COMMON ---- */
section.gs { padding: 80px 5%; }
.section-inner { max-width: 1200px; margin: 0 auto; }
.section-label { display: inline-block; font-size: .75rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--green); background: var(--green-lt); padding: .3rem .75rem; border-radius: 100px; margin-bottom: 1rem; }
.section-heading { font-family: var(--font-display); font-size: clamp(1.8rem, 4vw, 2.4rem); font-weight: 700; color: var(--navy); letter-spacing: -.03em; line-height: 1.2; margin-bottom: 1rem; }
.section-sub { font-size: 1rem; color: var(--muted); max-width: 560px; line-height: 1.7; }
.text-center { text-align: center; }
.mx-auto { margin-left: auto; margin-right: auto; }

/* ---- CARDS / GRID ---- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; margin-top: 3rem; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; }
.card-soft { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 2rem; transition: all .25s; }
.card-soft:hover { border-color: var(--green); box-shadow: var(--shadow); transform: translateY(-3px); }
.card-icon { width: 48px; height: 48px; background: var(--green-lt); border-radius: 12px; display: flex; align-items: center; justify-content: center; margin-bottom: 1.25rem; font-size: 1.4rem; }
.card-soft h3 { font-family: var(--font-display); font-size: 1.05rem; font-weight: 700; color: var(--navy); margin-bottom: .5rem; }
.card-soft p { font-size: .9rem; color: var(--muted); line-height: 1.65; }

/* ---- PRICING ---- */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; margin-top: 3rem; align-items: start; }
.pricing-card { background: var(--white); border: 1.5px solid var(--border); border-radius: var(--radius); padding: 2rem; position: relative; }
.pricing-card.featured { background: var(--navy); border-color: var(--navy); transform: scale(1.03); box-shadow: var(--shadow-lg); }
.pricing-badge { position: absolute; top: -12px; left: 50%; transform: translateX(-50%); background: var(--green); color: var(--navy); font-size: .7rem; font-weight: 700; padding: .2rem .75rem; border-radius: 100px; white-space: nowrap; }
.pricing-tier { font-size: .8rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin-bottom: .75rem; }
.pricing-card.featured .pricing-tier { color: rgba(255,255,255,.5); }
.pricing-rate { font-family: var(--font-display); font-size: 2.4rem; font-weight: 700; color: var(--navy); letter-spacing: -.04em; margin-bottom: .25rem; }
.pricing-card.featured .pricing-rate { color: var(--white); }
.pricing-rate sup { font-size: 1rem; vertical-align: super; font-weight: 600; }
.pricing-rate-note { font-size: .8rem; color: var(--muted); margin-bottom: 1.5rem; }
.pricing-card.featured .pricing-rate-note { color: rgba(255,255,255,.5); }
.pricing-features { list-style: none; display: flex; flex-direction: column; gap: .75rem; margin-bottom: 2rem; }
.pricing-features li { display: flex; align-items: flex-start; gap: 8px; font-size: .875rem; color: var(--text); }
.pricing-card.featured .pricing-features li { color: rgba(255,255,255,.8); }
.check-icon { color: var(--green); font-size: .9rem; flex-shrink: 0; margin-top: 2px; }

/* ---- FAQ ---- */
.faq-list { max-width: 760px; margin: 2.5rem auto 0; display: flex; flex-direction: column; gap: .75rem; }
.faq-item { border: 1px solid var(--border); border-radius: var(--radius); background: var(--white); overflow: hidden; }
.faq-q { padding: 1.1rem 1.4rem; font-weight: 600; color: var(--navy); cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 1rem; font-size: .95rem; }
.faq-q::after { content: '+'; font-size: 1.3rem; color: var(--green); transition: transform .2s; }
.faq-item.open .faq-q::after { content: '−'; }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .25s ease; padding: 0 1.4rem; color: var(--muted); font-size: .9rem; line-height: 1.7; }
.faq-item.open .faq-a { max-height: 320px; padding: 0 1.4rem 1.2rem; }

/* ---- FORMS / AUTH ---- */
.auth-wrap { min-height: 100vh; display: grid; grid-template-columns: 1fr 1fr; }
.auth-visual { background: var(--navy); position: relative; overflow: hidden; padding: 4rem; display: flex; flex-direction: column; justify-content: center; }
.auth-visual::before { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse 60% 70% at 70% 30%, rgba(0,200,83,.14) 0%, transparent 70%); }
.auth-visual-content { position: relative; z-index: 1; max-width: 420px; }
.auth-visual h2 { font-family: var(--font-display); color: var(--white); font-size: 2rem; line-height: 1.2; letter-spacing: -.02em; margin-bottom: 1rem; }
.auth-visual h2 em { color: var(--green); font-style: normal; }
.auth-visual p { color: rgba(255,255,255,.6); line-height: 1.7; }
.auth-points { margin-top: 2rem; display: flex; flex-direction: column; gap: 1rem; }
.auth-point { display: flex; gap: .75rem; align-items: flex-start; color: rgba(255,255,255,.8); font-size: .9rem; }
.auth-point .dot { width: 22px; height: 22px; border-radius: 50%; background: rgba(0,200,83,.2); color: var(--green); display: flex; align-items: center; justify-content: center; flex-shrink: 0; font-size: .8rem; }

.auth-form-side { display: flex; align-items: center; justify-content: center; padding: 3rem 2rem; background: var(--surface); }
.auth-card { width: 100%; max-width: 400px; }
.auth-card .auth-logo { display: block; margin-bottom: 1.75rem; }
.auth-card .auth-logo img { height: 44px; }
.auth-card h1 { font-family: var(--font-display); font-size: 1.6rem; color: var(--navy); letter-spacing: -.02em; margin-bottom: .4rem; }
.auth-card .sub { color: var(--muted); font-size: .9rem; margin-bottom: 1.75rem; }

.field { margin-bottom: 1rem; }
.field label { display: block; font-size: .82rem; font-weight: 600; color: var(--navy); margin-bottom: .4rem; }
.field .control { position: relative; }
.field input, .field select, .field textarea {
  width: 100%; padding: .7rem .85rem; border: 1.5px solid var(--border);
  border-radius: var(--radius-sm); font-size: .92rem; font-family: var(--font-body);
  background: var(--white); color: var(--text); transition: border .2s, box-shadow .2s;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--green); box-shadow: 0 0 0 3px rgba(0,200,83,.12); }
.field .toggle-pass { position: absolute; right: .75rem; top: 50%; transform: translateY(-50%); cursor: pointer; color: var(--muted); font-size: .85rem; user-select: none; }
.field-row { display: flex; gap: 1rem; }
.field-row .field { flex: 1; }
.form-meta { display: flex; justify-content: space-between; align-items: center; font-size: .82rem; margin-bottom: 1.25rem; }
.form-meta a { color: var(--green); text-decoration: none; font-weight: 600; }
.checkbox-row { display: flex; align-items: flex-start; gap: .5rem; font-size: .82rem; color: var(--muted); }
.checkbox-row input { width: auto; margin-top: 3px; }
.auth-foot { text-align: center; margin-top: 1.5rem; font-size: .88rem; color: var(--muted); }
.auth-foot a { color: var(--green); font-weight: 600; text-decoration: none; }

.alert { padding: .8rem 1rem; border-radius: var(--radius-sm); font-size: .88rem; margin-bottom: 1rem; border: 1px solid; }
.alert-success { background: var(--green-lt); border-color: rgba(0,200,83,.3); color: #058a3b; }
.alert-danger  { background: #FFEBEE; border-color: #ffcdd2; color: #c62828; }
.alert-warning { background: #FFF8E1; border-color: #ffecb3; color: #ef6c00; }
.alert-info    { background: #E3F2FD; border-color: #bbdefb; color: #1565c0; }
.spinner { width: 26px; height: 26px; border: 3px solid rgba(0,200,83,.25); border-top-color: var(--green); border-radius: 50%; animation: spin .7s linear infinite; margin: .5rem auto; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---- CONTACT ---- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 3rem; margin-top: 1rem; }
.contact-info-card { display: flex; gap: 1rem; align-items: flex-start; margin-bottom: 1.5rem; }
.contact-info-card .ci-icon { width: 44px; height: 44px; border-radius: 12px; background: var(--green-lt); display: flex; align-items: center; justify-content: center; font-size: 1.2rem; flex-shrink: 0; }
.contact-info-card h4 { font-family: var(--font-display); font-size: .95rem; color: var(--navy); margin-bottom: .2rem; }
.contact-info-card p { color: var(--muted); font-size: .9rem; }
.contact-form { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); padding: 2rem; box-shadow: var(--shadow); }

/* ---- CTA ---- */
.cta-section { background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 100%); text-align: center; padding: 90px 5%; position: relative; overflow: hidden; }
.cta-section::before { content: ''; position: absolute; width: 600px; height: 600px; background: radial-gradient(circle, rgba(0,200,83,.1) 0%, transparent 70%); top: 50%; left: 50%; transform: translate(-50%, -50%); }
.cta-section .section-heading { color: var(--white); margin-bottom: 1rem; max-width: 600px; margin-left: auto; margin-right: auto; }
.cta-section p { color: rgba(255,255,255,.6); margin-bottom: 2.5rem; font-size: 1rem; }
.cta-buttons { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; position: relative; }

/* ---- FOOTER ---- */
footer.gs-footer { background: var(--navy); padding: 60px 5% 30px; }
.footer-inner { max-width: 1200px; margin: 0 auto; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 3rem; margin-bottom: 3rem; }
.footer-brand img { height: 40px; margin-bottom: .9rem; }
.footer-brand-text { color: rgba(255,255,255,.6); font-size: .875rem; line-height: 1.7; }
.footer-col h5 { font-family: var(--font-display); font-weight: 700; color: var(--white); font-size: .875rem; margin-bottom: 1rem; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: .6rem; }
.footer-col ul a { text-decoration: none; color: rgba(255,255,255,.5); font-size: .85rem; transition: color .2s; }
.footer-col ul a:hover { color: var(--green); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding-top: 1.5rem; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; }
.footer-copy { font-size: .8rem; color: rgba(255,255,255,.35); }
.footer-bottom-links { display: flex; gap: 1.5rem; }
.footer-bottom-links a { font-size: .8rem; color: rgba(255,255,255,.4); text-decoration: none; }
.footer-bottom-links a:hover { color: var(--green); }

/* ---- MOBILE ---- */
@media (max-width: 900px) {
  .grid-3, .pricing-grid { grid-template-columns: 1fr; }
  .grid-2, .contact-grid { grid-template-columns: 1fr; gap: 2rem; }
  .pricing-card.featured { transform: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .auth-wrap { grid-template-columns: 1fr; }
  .auth-visual { display: none; }
}
@media (max-width: 600px) {
  section.gs { padding: 60px 4%; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .field-row { flex-direction: column; gap: 0; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition-duration: .01ms !important; } }

/* ============================================================
   PRICING TABLE (tiered withdrawal fees)
   ============================================================ */
.price-table { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.price-table-head { display: flex; justify-content: space-between; padding: 1rem 1.5rem; background: var(--navy); color: #fff; font-size: .8rem; font-weight: 700; letter-spacing: .03em; text-transform: uppercase; }
.price-table-head span:last-child { text-align: right; }
.price-table-row { display: flex; justify-content: space-between; align-items: center; padding: 1.1rem 1.5rem; border-bottom: 1px solid var(--border); font-size: .95rem; color: var(--text); transition: background .15s; }
.price-table-row:last-child { border-bottom: none; }
.price-table-row:hover { background: var(--green-lt); }
.price-fee { font-family: var(--font-display); font-weight: 700; color: var(--navy); font-size: 1.05rem; }
.price-notes { list-style: none; margin: 1.5rem 0 0; padding: 0; display: flex; flex-direction: column; gap: .5rem; }
.price-notes li { position: relative; padding-left: 1.5rem; font-size: .85rem; color: var(--muted); line-height: 1.5; }
.price-notes li::before { content: '*'; position: absolute; left: 0; color: var(--green); font-weight: 700; font-size: 1.1rem; }
@media (max-width: 600px) {
  .price-table-head, .price-table-row { padding-left: 1rem; padding-right: 1rem; font-size: .85rem; }
  .price-fee { font-size: .95rem; }
}