/* ============================================================
   coway.sidemoney.mom — standalone Coway promo site
   Premium blue/white, mobile-first, WhatsApp-first.
   ============================================================ */
:root {
  --navy: #003d7d;
  --navy-dark: #002a57;
  --blue: #0e6fd8;
  --sky: #eaf4ff;
  --wa: #25d366;
  --wa-dark: #1ebe5b;
  --ink: #1b2a41;
  --ink-2: #4a5b72;
  --line: #e3ebf5;
  --bg: #ffffff;
  --bg-alt: #f5f9ff;
  --radius: 16px;
  --shadow: 0 2px 6px rgba(0,40,90,.06), 0 10px 30px rgba(0,40,90,.08);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { font-family: var(--font); font-size: 17px; line-height: 1.7; color: var(--ink); background: var(--bg); -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--blue); text-decoration: none; }
a:hover { color: var(--navy); }
.container { max-width: 1120px; margin: 0 auto; padding: 0 20px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.skip-link { position: absolute; left: -9999px; top: 0; background: var(--navy); color: #fff; padding: 8px 14px; z-index: 100; }
.skip-link:focus { left: 0; }
h1, h2, h3 { line-height: 1.22; color: var(--ink); font-weight: 800; letter-spacing: -.02em; }
h1 { font-size: clamp(1.9rem, 4.5vw, 2.9rem); }
h2 { font-size: clamp(1.4rem, 3vw, 1.9rem); margin: 0 0 .4em; }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; }

/* ---------------- Header ---------------- */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.95); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 24px; }
.brand img { display: block; }
.nav-menu { display: flex; list-style: none; gap: 6px; margin: 0; align-items: center; }
.nav-menu a { display: block; padding: 8px 12px; border-radius: 8px; color: var(--ink-2); font-weight: 600; font-size: .95rem; }
.nav-menu a:hover { color: var(--navy); background: var(--sky); }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 10px; }
.nav-toggle-icon, .nav-toggle-icon::before, .nav-toggle-icon::after { content: ""; display: block; width: 22px; height: 2px; background: var(--navy); border-radius: 2px; position: relative; transition: .2s; }
.nav-toggle-icon::before { position: absolute; top: -7px; }
.nav-toggle-icon::after { position: absolute; top: 7px; }
.nav-open .nav-toggle-icon { background: transparent; }
.nav-open .nav-toggle-icon::before { transform: rotate(45deg); top: 0; }
.nav-open .nav-toggle-icon::after { transform: rotate(-45deg); top: 0; }

/* ---------------- Buttons ---------------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 22px; border-radius: 12px; font-weight: 700; font-size: 1rem; cursor: pointer; transition: .18s; border: 2px solid transparent; }
.btn-lg { padding: 15px 28px; font-size: 1.05rem; }
.btn-sm { padding: 9px 16px; font-size: .9rem; }
.btn-wa { background: var(--wa); color: #fff !important; }
.btn-wa:hover { background: var(--wa-dark); transform: translateY(-1px); box-shadow: 0 8px 20px rgba(37,211,102,.35); }
.btn-outline { background: #fff; color: var(--navy) !important; border-color: var(--navy); }
.btn-outline:hover { background: var(--sky); }

/* ---------------- Hero ---------------- */
.hero { background: linear-gradient(160deg, #f0f7ff 0%, #ffffff 60%); border-bottom: 1px solid var(--line); padding: 60px 0 48px; }
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: center; }
.hero-eyebrow { display: inline-block; font-size: .8rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--navy); background: var(--sky); border: 1px solid #cfe4ff; padding: 4px 12px; border-radius: 999px; margin-bottom: 14px; }
.hero h1 { margin-bottom: .4em; }
.hero-sub { font-size: 1.12rem; color: var(--ink-2); max-width: 40ch; }
.hero-ctas { display: flex; gap: 12px; flex-wrap: wrap; margin: 24px 0 20px; }
.hero-points { list-style: none; display: flex; gap: 18px; flex-wrap: wrap; margin: 0; font-size: .92rem; color: var(--ink-2); font-weight: 600; }
.hero-note { font-size: .8rem; color: var(--ink-2); margin: 14px 0 0; opacity: .85; }
.hero-img img { width: min(420px, 90%); margin: 0 auto; filter: drop-shadow(0 18px 30px rgba(0,60,140,.18)); }

/* ---------------- Trust strip ---------------- */
.trust { background: var(--navy); color: #fff; }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; padding: 26px 20px; text-align: center; }
.trust-item b { display: block; font-size: 1.5rem; color: #7cc0ff; }
.trust-item span { font-size: .88rem; opacity: .85; }

/* ---------------- Sections ---------------- */
.section { padding: 56px 0; }
.section-alt { background: var(--bg-alt); }
.section-title { text-align: center; }
.section-sub { text-align: center; color: var(--ink-2); margin-bottom: 1.6em; }
.section-note { text-align: center; font-size: .82rem; color: var(--ink-2); margin-top: 1.4em; }
.section-more { text-align: center; margin-top: 1.8em; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 24px; }

/* ---------------- Product cards ---------------- */
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 24px; box-shadow: var(--shadow); transition: .2s; text-align: center; display: flex; flex-direction: column; align-items: center; }
.card:hover { transform: translateY(-3px); box-shadow: 0 14px 40px rgba(0,40,90,.12); }
.card-img { width: 200px; height: 200px; margin-bottom: 14px; }
.card h3 { margin-bottom: 8px; }
.card p { color: var(--ink-2); font-size: .95rem; flex: 1; }
.card-models { font-size: .88rem; margin: 2px 0 0 !important; }
.card-models a { color: var(--navy); font-weight: 600; }
.card .btn { margin-top: 14px; }

/* ---------------- Benefits ---------------- */
.benefits { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 20px; }
.benefit { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); }
.benefit-ic { font-size: 2rem; margin-bottom: 8px; }
.benefit h3 { margin-bottom: 6px; }
.benefit p { color: var(--ink-2); font-size: .93rem; margin: 0; }

/* ---------------- Plans ---------------- */
.plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 22px; align-items: stretch; }
.plan { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 24px; box-shadow: var(--shadow); position: relative; display: flex; flex-direction: column; }
.plan-featured { border: 2px solid var(--blue); box-shadow: 0 14px 40px rgba(14,111,216,.15); }
.plan-tag { position: absolute; top: -13px; left: 50%; transform: translateX(-50%); background: var(--blue); color: #fff; font-size: .75rem; font-weight: 700; padding: 4px 14px; border-radius: 999px; }
.plan h3 { margin-bottom: 6px; }
.plan-price { font-size: 1.7rem; font-weight: 800; color: var(--navy); margin-bottom: 12px; }
.plan-price span { font-size: .9rem; font-weight: 600; color: var(--ink-2); }
.plan-model { font-size: .82rem; color: var(--ink-2); margin: -6px 0 10px; }
.plan ul { list-style: none; margin: 0 0 18px; flex: 1; }
.plan li { margin-bottom: 8px; color: var(--ink-2); font-size: .95rem; }

/* ---------------- Steps ---------------- */
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 20px; }
.step { text-align: center; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 20px; box-shadow: var(--shadow); }
.step-num { display: inline-flex; width: 46px; height: 46px; border-radius: 50%; background: var(--navy); color: #fff; font-weight: 800; font-size: 1.3rem; align-items: center; justify-content: center; margin-bottom: 10px; }
.step h3 { margin-bottom: 6px; }
.step p { color: var(--ink-2); font-size: .93rem; margin: 0; }

/* ---------------- FAQ ---------------- */
.faq { max-width: 760px; margin: 0 auto; }
.faq details { background: #fff; border: 1px solid var(--line); border-radius: 12px; margin-bottom: 12px; overflow: hidden; }
.faq summary { cursor: pointer; padding: 16px 20px; font-weight: 700; color: var(--ink); list-style: none; position: relative; padding-right: 44px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 18px; top: 50%; transform: translateY(-50%); font-size: 1.4rem; color: var(--blue); }
.faq details[open] summary::after { content: "–"; }
.faq p { padding: 0 20px 16px; color: var(--ink-2); font-size: .95rem; margin: 0; }

/* ---------------- Final CTA ---------------- */
.cta-final { background: linear-gradient(135deg, var(--navy) 0%, var(--blue) 100%); text-align: center; }
.cta-final h2 { color: #fff; }
.cta-final p { color: #cfe4ff; margin-bottom: 1.4em; }

/* ---------------- Footer ---------------- */
.site-footer { background: var(--navy-dark); color: #b9cbe0; }
.footer-inner { display: grid; grid-template-columns: 1.4fr 1fr; gap: 30px; padding: 44px 20px 28px; }
.footer-brand p { margin: 12px 0 0; font-size: .9rem; }
.footer-contact h2 { color: #fff; font-size: .9rem; text-transform: uppercase; letter-spacing: .06em; margin-bottom: 12px; }
.footer-contact p { font-size: .92rem; margin-bottom: 8px; }
.footer-contact a { color: #7cc0ff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 16px 0; }
.footer-bottom .container { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.footer-bottom p { margin: 0; font-size: .82rem; }
.footer-bottom a { color: #7cc0ff; }

/* ---------------- WhatsApp float ---------------- */
.wa-float { position: fixed; right: 22px; bottom: 22px; width: 60px; height: 60px; border-radius: 50%; background: var(--wa); color: #fff; display: flex; align-items: center; justify-content: center; box-shadow: 0 8px 24px rgba(37,211,102,.45); z-index: 90; transition: .2s; }
.wa-float:hover { transform: scale(1.08); background: var(--wa-dark); }

/* ---------------- Product pages ---------------- */
.crumbs { font-size: .85rem; color: var(--ink-2); margin: 18px 0 22px; }
.crumbs ol { list-style: none; display: flex; gap: 6px; flex-wrap: wrap; margin: 0; padding: 0; }
.crumbs li + li::before { content: "›"; margin-right: 6px; color: var(--ink-2); }
.crumbs a { color: var(--ink-2); }
.pd-hero { display: grid; grid-template-columns: 1.2fr .8fr; gap: 32px; align-items: center; margin-bottom: 34px; }
.pd-cat { color: var(--blue); font-weight: 700; font-size: .85rem; text-transform: uppercase; letter-spacing: .05em; margin-bottom: 6px; }
.pd-hero h1 { margin-bottom: 10px; }
.pd-tagline { font-size: 1.1rem; color: var(--ink-2); margin-bottom: 16px; }
.pd-rental { font-size: 1.15rem; font-weight: 700; color: var(--navy); }
.pd-outright { color: var(--ink-2); font-size: .92rem; margin-bottom: 20px; }
.pd-note { font-size: .8rem; color: var(--ink-2); margin-top: 12px; }
.pd-ic { text-align: center; }
.pd-features { background: var(--bg-alt); border-radius: var(--radius); padding: 26px 28px; margin-bottom: 30px; }
.pd-features h2 { margin-bottom: 12px; }
.pd-features ul { margin: 0; padding-left: 1.2em; }
.pd-features li { margin-bottom: 8px; }
.pd-cta { background: linear-gradient(135deg, var(--navy), var(--blue)); border-radius: var(--radius); text-align: center; padding: 34px 24px; margin-bottom: 26px; }
.pd-cta h2 { color: #fff; }
.pd-cta p { color: #cfe4ff; margin-bottom: 16px; }
.pd-back a { color: var(--navy); font-weight: 600; }
@media (max-width: 720px) { .pd-hero { grid-template-columns: 1fr; gap: 18px; } }

/* ---------------- Products listing page ---------------- */
.plist h1 { margin-bottom: .3em; }
.plist > .container > p { color: var(--ink-2); max-width: 60ch; margin-bottom: 2em; }
.plist-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 20px; margin-bottom: 40px; }
.plist-card { display: flex; flex-direction: column; align-items: center; text-align: center; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px 18px; box-shadow: var(--shadow); transition: .2s; color: var(--ink); }
.plist-card:hover { transform: translateY(-3px); box-shadow: 0 14px 40px rgba(0,40,90,.12); color: var(--navy); }
.plist-card img { margin-bottom: 12px; }
.plist-card h3 { font-size: 1.02rem; margin-bottom: 4px; }
.plist-card p { color: var(--ink-2); font-size: .85rem; margin: 0 0 8px; }
.plist-card .plist-price { color: var(--navy); font-weight: 700; font-size: .95rem; }
@media (max-width: 560px) { .plist-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; } .plist-card { padding: 16px 10px; } .plist-card img { width: 72px; height: 72px; } }

/* ---------------- Responsive ---------------- */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 30px; text-align: center; }
  .hero-sub { margin: 0 auto; }
  .hero-ctas, .hero-points { justify-content: center; }
  .hero-img img { width: min(300px, 80%); }
  .trust-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .footer-inner { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .nav-toggle { display: block; }
  .nav-menu { display: none; position: absolute; top: 68px; left: 0; right: 0; background: #fff; border-bottom: 1px solid var(--line); flex-direction: column; padding: 8px 16px 18px; box-shadow: 0 24px 50px rgba(0,40,90,.2); align-items: stretch; z-index: 60; }
  .nav-open .nav-menu { display: flex; }
  .nav-menu a:not(.btn) { padding: 13px 10px; border-bottom: 1px solid var(--line); border-radius: 0; }
  .nav-menu .btn { margin: 14px 0 4px; justify-content: center; }
  .section { padding: 44px 0; }
  .hero { padding: 40px 0 36px; }
  .hero-ctas .btn { width: 100%; }
  .plans { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; scroll-behavior: auto !important; } }

/* ---------------- Product pages ---------------- */
.product-page .container { max-width: 860px; }
.breadcrumbs { font-size: .85rem; color: var(--ink-2); margin-bottom: 18px; }
.breadcrumbs ol { list-style: none; display: flex; gap: 6px; flex-wrap: wrap; margin: 0; padding: 0; }
.breadcrumbs li + li::before { content: "›"; margin-right: 6px; color: var(--ink-2); }
.breadcrumbs a { color: var(--ink-2); }
.p-hero { display: grid; grid-template-columns: 300px 1fr; gap: 32px; align-items: center; padding: 30px 0 10px; }
.p-hero img { width: 260px; margin: 0 auto; filter: drop-shadow(0 12px 24px rgba(0,60,140,.18)); }
.p-tagline { font-size: 1.15rem; color: var(--ink-2); margin-bottom: 10px; }
.p-price { font-size: 1.05rem; color: var(--ink-2); margin-bottom: 14px; }
.p-price b { font-size: 2rem; color: var(--navy); }
.p-price span { font-size: .9rem; }
.p-note { font-size: .8rem; color: var(--ink-2); margin-top: 10px; }
.note-sm { font-size: .82rem; color: var(--ink-2); background: var(--sky); padding: 10px 14px; border-radius: 10px; }
.feats { margin: 0 0 1.4em 1.2em; }
.feats li { margin-bottom: 8px; }
.plans-table { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.plans-table th { background: var(--navy); color: #fff; text-align: left; padding: 12px 16px; }
.plans-table td { padding: 12px 16px; border-top: 1px solid var(--line); }
.plans-table tr:nth-child(even) td { background: #f5f9ff; }
.card-link { display: block; }
@media (max-width: 640px) {
  .p-hero { grid-template-columns: 1fr; text-align: center; }
  .p-hero .btn { width: 100%; }
}

/* ---------------- More products / listing ---------------- */
.more-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 14px; }
.more-card { display: flex; flex-direction: column; align-items: center; gap: 4px; text-align: center; background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 16px 10px 14px; transition: .18s; }
.more-card:hover { border-color: var(--blue); box-shadow: 0 10px 26px rgba(0,40,90,.12); transform: translateY(-2px); }
.more-card img { width: 84px; height: 84px; object-fit: contain; }
.more-card span { font-weight: 700; color: var(--ink); }
.more-card small { font-size: .75rem; color: var(--ink-2); }