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

:root {
  --bg:           #193547;
  --surface:      #1E293B;
  --surface-el:   #0C4A6E;
  --primary:      #5599af;
  --primary-dark: #3d7a91;
  --text:         #F1F5F9;
  --text-sec:     #E2E8F0;
  --text-muted:   #94A3B8;
  --border:       #334155;
  --success:      #34D399;
  --warning:      #FBBF24;
  --error:        #F87171;
  --radius:       12px;
  --radius-sm:    8px;
  --max-w:        1100px;
  --nav-h:        64px;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
}

a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--text); }
img { display: block; max-width: 100%; }
ul { list-style: none; }

/* ── Typography ───────────────────────────────────────────────────────────── */
h1 { font-size: clamp(2rem, 5vw, 3.25rem); font-weight: 800; line-height: 1.15; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); font-weight: 700; line-height: 1.25; letter-spacing: -0.01em; }
h3 { font-size: 1.125rem; font-weight: 700; }
p  { color: var(--text-muted); line-height: 1.75; }

/* ── Layout ───────────────────────────────────────────────────────────────── */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }
.section    { padding: 80px 0; }
.section--alt { background: var(--surface); }

/* ── Navigation ───────────────────────────────────────────────────────────── */
.nav {
  position: sticky; top: 0; z-index: 100;
  height: var(--nav-h);
  background: rgba(25, 53, 71, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav__inner {
  max-width: var(--max-w); margin: 0 auto; padding: 0 24px;
  height: 100%; display: flex; align-items: center; justify-content: space-between;
}
.nav__brand {
  display: flex; align-items: center; gap: 10px;
  color: var(--text); font-size: 1.125rem; font-weight: 800; letter-spacing: -0.02em;
}
.nav__brand:hover { color: var(--text); }
.nav__logo { width: 36px; height: 36px; border-radius: 8px; }
.nav__links { display: flex; align-items: center; gap: 4px; }
.nav__link {
  padding: 6px 14px; border-radius: 8px;
  color: var(--text-muted); font-size: 0.9rem; font-weight: 500;
  transition: color 0.15s, background 0.15s;
}
.nav__link:hover           { color: var(--text); background: rgba(255,255,255,0.06); }
.nav__link[aria-current]   { color: var(--text); background: rgba(85,153,175,0.15); }

/* ── Buttons ──────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 24px; border-radius: var(--radius);
  font-size: 0.9rem; font-weight: 700; cursor: pointer;
  border: none; transition: transform 0.15s, opacity 0.15s;
  text-decoration: none;
}
.btn:hover { transform: translateY(-1px); opacity: 0.92; }
.btn--primary  { background: var(--primary); color: #fff; }
.btn--outline  { background: transparent; color: var(--primary); border: 2px solid var(--primary); }
.btn--outline:hover { background: rgba(85,153,175,0.1); color: var(--primary); }
.btn--full     { width: 100%; justify-content: center; }

/* ── Hero ─────────────────────────────────────────────────────────────────── */
.hero {
  padding: 100px 0 80px;
  position: relative; overflow: hidden;
  text-align: center;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% -10%, rgba(85,153,175,0.18) 0%, transparent 70%);
  pointer-events: none;
}
.hero__eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(85,153,175,0.15); border: 1px solid rgba(85,153,175,0.3);
  color: var(--primary); font-size: 0.8rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
  padding: 6px 14px; border-radius: 100px; margin-bottom: 24px;
}
.hero__title { margin-bottom: 20px; }
.hero__title span { color: var(--primary); }
.hero__subtitle {
  font-size: 1.125rem; max-width: 560px; margin: 0 auto 40px;
  color: var(--text-muted);
}
.hero__actions {
  display: flex; flex-direction: column;
  gap: 20px; align-items: center;
}
.hero__qr-group { display: flex; gap: 24px; flex-wrap: wrap; justify-content: center; }
.hero__qr-item {
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  text-decoration: none;
}
.hero__qr-item:hover .qr-box { box-shadow: 0 0 0 3px var(--primary), 0 0 0 1px var(--border); }
.hero__qr-img {
  width: 100%; height: 100%;
  display: block; border-radius: 4px;
}
.hero__qr-label {
  display: flex; align-items: center; gap: 5px;
  font-size: 0.8rem; font-weight: 600; color: var(--text-muted);
}
.hero__badge {
  margin-top: 20px;
  font-size: 0.78rem; color: var(--text-muted);
  display: flex; align-items: center; justify-content: center; gap: 6px;
}

/* ── Steps ────────────────────────────────────────────────────────────────── */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.step { text-align: center; }
.step__num {
  width: 52px; height: 52px; border-radius: 50%;
  background: rgba(85,153,175,0.15); border: 2px solid rgba(85,153,175,0.3);
  color: var(--primary); font-size: 1.25rem; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 16px;
}
.step__title { font-size: 1rem; font-weight: 700; color: var(--text); margin-bottom: 8px; }
.step__body  { font-size: 0.9rem; }

/* ── Feature Grid ─────────────────────────────────────────────────────────── */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.feature-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 16px; padding: 28px 24px;
  transition: border-color 0.2s, transform 0.2s;
}
.feature-card:hover { border-color: var(--primary); transform: translateY(-2px); }
.feature-card__icon {
  width: 48px; height: 48px; border-radius: 12px;
  background: rgba(85,153,175,0.15);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; margin-bottom: 16px;
}
.feature-card__title { color: var(--text); margin-bottom: 8px; }
.feature-card__body  { font-size: 0.9rem; }

/* ── QR Codes ─────────────────────────────────────────────────────────────── */
.qr-box {
  width: clamp(130px, 20vw, 160px);
  height: clamp(130px, 20vw, 160px);
  border-radius: var(--radius);
  background: #ffffff;
  display: flex;
  align-items: center; justify-content: center;
  padding: 4px;
  box-shadow: 0 0 0 1px var(--border);
  transition: box-shadow 0.15s;
}
.qr-box img { display: block; border-radius: 4px; width: 100%; height: 100%; }

/* ── Page Hero (inner pages) ──────────────────────────────────────────────── */
.page-hero { padding: 60px 0 40px; }
.page-hero__eyebrow {
  font-size: 0.78rem; font-weight: 700; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--primary); margin-bottom: 12px;
}
.page-hero__title { margin-bottom: 14px; }
.page-hero__sub { font-size: 1.05rem; max-width: 560px; }

/* ── Accordion (FAQ) ──────────────────────────────────────────────────────── */
.accordion { display: flex; flex-direction: column; gap: 12px; }
details.accordion__item {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
}
details.accordion__item[open] { border-color: var(--primary); }
summary.accordion__trigger {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 24px; cursor: pointer; list-style: none;
  font-weight: 600; color: var(--text); font-size: 0.975rem;
  gap: 12px;
}
summary.accordion__trigger::-webkit-details-marker { display: none; }
.accordion__trigger:hover { color: var(--primary); }
.accordion__chevron {
  flex-shrink: 0; width: 20px; height: 20px;
  border: 2px solid var(--border); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.7rem; transition: transform 0.2s, border-color 0.2s;
  color: var(--text-muted);
}
details[open] .accordion__chevron { transform: rotate(180deg); border-color: var(--primary); color: var(--primary); }
.accordion__body { padding: 0 24px 20px; font-size: 0.925rem; }
.accordion__body p { margin-bottom: 0; }

/* ── Tabs (Legal) ─────────────────────────────────────────────────────────── */
.tabs__bar {
  display: flex; gap: 4px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 6px; width: fit-content;
  margin-bottom: 32px;
}
.tab-btn {
  padding: 10px 24px; border-radius: var(--radius-sm);
  background: none; border: none; cursor: pointer;
  font-size: 0.9rem; font-weight: 600; color: var(--text-muted);
  transition: background 0.15s, color 0.15s;
}
.tab-btn.active, .tab-btn:hover { background: var(--surface-el); color: var(--text); }
.tab-btn.active { color: var(--primary); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }
.legal-content h2 { font-size: 1.35rem; margin: 32px 0 12px; color: var(--text-sec); }
.legal-content h2:first-child { margin-top: 0; }
.legal-content p  { margin-bottom: 14px; font-size: 0.925rem; }
.legal-content ul { margin: 10px 0 14px 20px; list-style: disc; }
.legal-content ul li { color: var(--text-muted); font-size: 0.925rem; margin-bottom: 6px; }
.legal-meta { font-size: 0.82rem; color: var(--text-muted); margin-bottom: 24px; }

/* ── About ────────────────────────────────────────────────────────────────── */
.about-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start;
}
.about-content h2 { margin-bottom: 16px; }
.about-content p  { margin-bottom: 16px; }
.values { display: flex; flex-direction: column; gap: 16px; margin-top: 32px; }
.value-item {
  display: flex; gap: 14px; align-items: flex-start;
  padding: 16px; background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius);
}
.value-item__icon { font-size: 1.4rem; flex-shrink: 0; }
.value-item__title { font-weight: 700; color: var(--text); font-size: 0.9rem; margin-bottom: 4px; }
.value-item__body  { font-size: 0.85rem; }

/* ── Contact Form ─────────────────────────────────────────────────────────── */
.form-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 16px; padding: 36px 32px;
}
.form-card__title { margin-bottom: 6px; }
.form-card__sub   { margin-bottom: 28px; font-size: 0.9rem; }
.form-group       { display: flex; flex-direction: column; gap: 6px; margin-bottom: 20px; }
.form-row         { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-label       { font-size: 0.85rem; font-weight: 600; color: var(--text-sec); }
.form-input, .form-select, .form-textarea {
  background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 12px 14px;
  color: var(--text); font-size: 0.9rem; font-family: inherit; width: 100%;
  transition: border-color 0.15s;
  appearance: none;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none; border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(85,153,175,0.15);
}
.form-textarea { resize: vertical; min-height: 120px; }
.form-select { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2394A3B8' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 36px; }
.form-success {
  display: none; background: rgba(52,211,153,0.1);
  border: 1px solid var(--success); border-radius: var(--radius);
  padding: 16px; color: var(--success); font-size: 0.9rem; font-weight: 600;
  align-items: center; gap: 10px;
}
.form-success.show { display: flex; }

/* ── Divider ──────────────────────────────────────────────────────────────── */
.divider {
  text-align: center; margin: 64px 0 40px; position: relative;
}
.divider::before {
  content: ''; position: absolute; left: 0; top: 50%;
  width: 100%; height: 1px; background: var(--border);
}
.divider span {
  position: relative; background: var(--bg);
  padding: 0 16px; color: var(--text-muted); font-size: 0.85rem;
}
.section--alt .divider span { background: var(--surface); }

/* ── Section Header ───────────────────────────────────────────────────────── */
.section-header { text-align: center; margin-bottom: 52px; }
.section-header__eyebrow {
  font-size: 0.78rem; font-weight: 700; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--primary); margin-bottom: 12px;
}
.section-header__title   { margin-bottom: 14px; }
.section-header__sub     { max-width: 520px; margin: 0 auto; font-size: 1rem; }

/* ── CTA Banner ───────────────────────────────────────────────────────────── */
.cta-banner {
  background: linear-gradient(135deg, var(--surface-el) 0%, var(--surface) 100%);
  border: 1px solid rgba(85,153,175,0.25);
  border-radius: 20px; padding: 52px 40px;
  text-align: center;
}
.cta-banner h2     { margin-bottom: 14px; }
.cta-banner p      { max-width: 480px; margin: 0 auto 32px; }
.cta-banner__actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ── Footer ───────────────────────────────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--border);
  padding: 40px 0;
}
.footer__inner {
  max-width: var(--max-w); margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 20px;
}
.footer__brand {
  display: flex; align-items: center; gap: 10px;
  color: var(--text); font-weight: 700;
}
.footer__brand img { width: 28px; height: 28px; border-radius: 6px; }
.footer__links { display: flex; gap: 24px; flex-wrap: wrap; }
.footer__link  { font-size: 0.875rem; color: var(--text-muted); }
.footer__link:hover { color: var(--text); }
.footer__copy  { font-size: 0.8rem; color: var(--text-muted); }

/* ── Hamburger ────────────────────────────────────────────────────────────── */
.nav__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  border-radius: 8px;
}
.nav__hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.2s, opacity 0.2s;
}
.nav--open .nav__hamburger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav--open .nav__hamburger span:nth-child(2) { opacity: 0; }
.nav--open .nav__hamburger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Responsive ───────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .steps    { grid-template-columns: 1fr; gap: 24px; }
  .features { grid-template-columns: 1fr 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .form-row   { grid-template-columns: 1fr; }
  .section    { padding: 56px 0; }
  .hero       { padding: 72px 0 56px; }
  .cta-banner { padding: 40px 24px; }
  .form-card  { padding: 28px 20px; }
}
@media (max-width: 640px) {
  .nav__hamburger { display: flex; }
  .nav__links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: calc(var(--nav-h) - 8px);
    right: 16px;
    left: auto;
    min-width: 160px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 8px;
    gap: 2px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.4);
    z-index: 200;
  }
  .nav--open .nav__links { display: flex; }
  .nav__links .nav__link {
    padding: 11px 16px;
    font-size: 0.95rem;
    border-radius: 8px;
    color: var(--text-sec);
  }
  .nav__links .nav__link:hover,
  .nav__links .nav__link[aria-current] {
    background: rgba(85,153,175,0.12);
    color: var(--text);
  }
}
@media (max-width: 480px) {
  .features { grid-template-columns: 1fr; }
  .hero__qr-group { gap: 16px; }
}