/* ============================================================
   PlayHot® Official Website — Shared Stylesheet
   ============================================================ */

:root {
  --primary:       #0D2137;
  --accent:        #00B4D8;
  --accent-dark:   #0097b8;
  --accent-light:  #e0f7fc;
  --bg:            #ffffff;
  --bg-alt:        #f0f9fd;
  --text:          #0D2137;
  --text-muted:    #4a6070;
  --border:        #cce8f0;
  --footer-bg:     #0D2137;

  --sp-4:  4px;  --sp-8:  8px;  --sp-12: 12px; --sp-16: 16px;
  --sp-24: 24px; --sp-32: 32px; --sp-40: 40px; --sp-48: 48px;
  --sp-56: 56px; --sp-64: 64px; --sp-80: 80px; --sp-96: 96px;

  --font:       'Inter', system-ui, -apple-system, sans-serif;
  --lh:         1.65;
  --lh-tight:   1.15;
  --radius:     8px;
  --radius-lg:  16px;
  --radius-xl:  24px;
  --shadow-sm:  0 1px 4px rgba(0,0,0,.07);
  --shadow:     0 4px 20px rgba(0,180,216,.14);
  --shadow-lg:  0 12px 48px rgba(0,180,216,.22);
  --tr:         200ms ease;
  --tr-lg:      360ms ease;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font);
  font-size: 1rem;
  line-height: var(--lh);
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; border: none; background: none; }
h1,h2,h3,h4,h5,h6 { line-height: var(--lh-tight); font-weight: 700; color: var(--primary); }

/* ── Container ── */
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 var(--sp-24); }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--sp-8);
  padding: 14px var(--sp-32); font-size: 1rem; font-weight: 600;
  border-radius: var(--radius); transition: background var(--tr), transform var(--tr), box-shadow var(--tr);
  min-height: 48px; white-space: nowrap; cursor: pointer;
}
.btn-primary { background: var(--accent); color: #fff; box-shadow: 0 4px 18px rgba(0,180,216,.38); }
.btn-primary:hover { background: var(--accent-dark); box-shadow: 0 6px 28px rgba(0,180,216,.48); transform: translateY(-2px); }
.btn-primary:active { transform: translateY(0); }
.btn-outline { background: transparent; color: var(--accent); border: 2px solid var(--accent); }
.btn-outline:hover { background: var(--accent); color: #fff; }
.btn-check {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 11px var(--sp-24); font-size: .875rem; font-weight: 700;
  background: var(--primary); color: #fff; border-radius: var(--radius);
  transition: background var(--tr), transform var(--tr);
  min-height: 44px; letter-spacing: .05em; text-transform: uppercase; cursor: pointer;
}
.btn-check:hover { background: var(--accent); transform: translateY(-2px); }

/* ── Navigation ── */
.nav {
  position: sticky; top: 0; z-index: 900;
  background: rgba(255,255,255,.97); border-bottom: 1px solid var(--border);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.nav-logo { font-size: 1.25rem; font-weight: 800; letter-spacing: -.02em; color: var(--primary); flex-shrink: 0; }
.nav-logo span { color: var(--accent); }
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
  padding: var(--sp-8) var(--sp-16); font-size: 1rem; font-weight: 500;
  color: var(--text-muted); border-radius: var(--radius);
  transition: color var(--tr), background var(--tr);
  min-height: 44px; display: flex; align-items: center;
}
.nav-links a:hover { color: var(--primary); background: var(--bg-alt); }
.nav-links a.active { color: var(--accent); font-weight: 700; }
.nav-links a.nav-cta {
  background: var(--accent); color: #fff !important;
  padding: 10px var(--sp-24) !important;
}
.nav-links a.nav-cta:hover { background: var(--accent-dark) !important; }

/* Hamburger */
.nav-burger {
  display: none; flex-direction: column; justify-content: center; gap: 5px;
  width: 44px; height: 44px; padding: var(--sp-8); cursor: pointer; z-index: 1100;
}
.nav-burger span { display: block; width: 22px; height: 2px; background: var(--primary); border-radius: 2px; transition: transform var(--tr), opacity var(--tr); }
.nav-burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-burger.open span:nth-child(2) { opacity: 0; }
.nav-burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile overlay */
.nav-mobile {
  display: none; position: fixed; inset: 0;
  background: var(--bg); z-index: 1050;
  flex-direction: column; align-items: center; justify-content: center; gap: var(--sp-8);
  padding: var(--sp-32);
}
.nav-mobile.open { display: flex; }
.nav-mobile a {
  font-size: 1.75rem; font-weight: 700; color: var(--primary);
  padding: var(--sp-16) var(--sp-32); text-align: center; width: 100%;
  border-radius: var(--radius); transition: background var(--tr), color var(--tr);
  min-height: 56px; display: flex; align-items: center; justify-content: center;
}
.nav-mobile a:hover { background: var(--bg-alt); }
.nav-mobile a.active { color: var(--accent); }
.nav-mobile-close {
  position: absolute; top: var(--sp-16); right: var(--sp-16);
  width: 44px; height: 44px; display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; color: var(--primary); cursor: pointer;
}

/* ── Marquee ── */
.marquee-wrap { overflow: hidden; background: var(--primary); padding: 10px 0; }
.marquee-track {
  display: flex; gap: var(--sp-48); width: max-content;
  animation: marqueescroll 30s linear infinite;
}
.marquee-track:hover { animation-play-state: paused; }
.marquee-item {
  font-size: .8125rem; font-weight: 600; color: rgba(255,255,255,.82);
  letter-spacing: .1em; text-transform: uppercase; white-space: nowrap;
  display: flex; align-items: center; gap: var(--sp-8);
}
.marquee-item::before { content: ''; display: inline-block; width: 5px; height: 5px; background: var(--accent); border-radius: 50%; }
@keyframes marqueescroll { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ── Sections ── */
.section { padding: var(--sp-96) 0; }
.section-alt { background: var(--bg-alt); }
.section-dark { background: var(--primary); color: #fff; }
.section-header { text-align: center; margin-bottom: var(--sp-64); }
.section-header h2 { font-size: clamp(1.875rem, 4vw, 3rem); margin-bottom: var(--sp-16); }
.section-header p { font-size: 1.125rem; color: var(--text-muted); max-width: 600px; margin: 0 auto; }
.section-label {
  display: inline-block; font-size: .8125rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .12em;
  color: var(--accent); margin-bottom: var(--sp-8);
}

/* ── Product cards ── */
.products-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(256px, 1fr)); gap: var(--sp-24); }
.product-card {
  background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-lg);
  overflow: hidden; transition: transform var(--tr-lg), box-shadow var(--tr-lg);
  display: flex; flex-direction: column;
}
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.product-card-img { width: 100%; aspect-ratio: 1/1; overflow: hidden; background: var(--bg-alt); }
.product-card-img img { width: 100%; height: 100%; object-fit: contain; padding: var(--sp-16); transition: transform var(--tr-lg); }
.product-card:hover .product-card-img img { transform: scale(1.06); }
.product-card-body { padding: var(--sp-16) var(--sp-24) var(--sp-24); flex: 1; display: flex; flex-direction: column; gap: var(--sp-8); }
.product-card-name { font-size: 1rem; font-weight: 700; color: var(--primary); line-height: 1.3; }
.product-card-color { font-size: .875rem; color: var(--text-muted); font-weight: 500; }
.product-card-features { display: flex; flex-wrap: wrap; gap: 4px; margin: 4px 0; }
.product-card-features span { font-size: 11px; font-weight: 600; background: var(--accent-light); color: var(--accent-dark); padding: 3px 10px; border-radius: 20px; }
.product-card-footer { margin-top: auto; padding-top: var(--sp-8); }
.product-card-footer .btn-check { width: 100%; }

/* Filter bar */
.filter-bar { display: flex; flex-wrap: wrap; gap: var(--sp-8); justify-content: center; margin-bottom: var(--sp-40); }
.filter-btn {
  padding: 10px var(--sp-24); font-size: .875rem; font-weight: 600;
  border: 2px solid var(--border); border-radius: 40px; color: var(--text-muted);
  background: var(--bg); transition: all var(--tr); min-height: 44px; cursor: pointer;
}
.filter-btn:hover { border-color: var(--accent); color: var(--accent); }
.filter-btn.active { background: var(--accent); border-color: var(--accent); color: #fff; }

/* ── Hero ── */
.hero {
  min-height: calc(100vh - 64px); display: flex; align-items: center;
  background: linear-gradient(140deg, var(--bg-alt) 0%, #fff 55%, #e8f6fb 100%);
  padding: var(--sp-64) 0; overflow: hidden;
}
.hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-64); align-items: center; }
.hero-eyebrow {
  display: inline-block; font-size: .8125rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .12em;
  color: var(--accent); background: var(--accent-light);
  padding: 5px var(--sp-16); border-radius: 40px; margin-bottom: var(--sp-16);
}
.hero-title { font-size: clamp(2.5rem, 5vw, 4rem); font-weight: 800; line-height: 1.08; color: var(--primary); margin-bottom: var(--sp-24); }
.hero-title span { color: var(--accent); }
.hero-desc { font-size: 1.125rem; color: var(--text-muted); margin-bottom: var(--sp-40); max-width: 480px; line-height: 1.7; }
.hero-actions { display: flex; gap: var(--sp-16); flex-wrap: wrap; }
.hero-img-wrap { display: flex; justify-content: center; align-items: center; position: relative; }
.hero-img-wrap::before {
  content: ''; position: absolute; inset: -32px;
  background: radial-gradient(ellipse at 50% 50%, rgba(0,180,216,.15), transparent 68%);
  border-radius: 50%;
}
.hero-img-wrap img {
  position: relative; z-index: 1; max-height: 520px; width: 100%; object-fit: contain;
  filter: drop-shadow(0 24px 56px rgba(0,180,216,.28));
}

/* ── Page hero (inner pages) ── */
.page-hero {
  background: linear-gradient(135deg, var(--primary) 0%, #1a3f60 100%);
  padding: var(--sp-80) 0; text-align: center; color: #fff;
}
.page-hero h1 { font-size: clamp(2rem, 5vw, 3.25rem); color: #fff; margin-bottom: var(--sp-16); }
.page-hero p { font-size: 1.125rem; color: rgba(255,255,255,.75); max-width: 600px; margin: 0 auto; }
.breadcrumb {
  display: flex; align-items: center; gap: var(--sp-8); font-size: .875rem;
  color: rgba(255,255,255,.6); margin-bottom: var(--sp-16); justify-content: center;
}
.breadcrumb a { color: rgba(255,255,255,.6); transition: color var(--tr); }
.breadcrumb a:hover { color: #fff; }
.breadcrumb-sep { color: rgba(255,255,255,.3); }

/* ── Benefits ── */
.benefits-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: var(--sp-24); }
.benefit-card {
  padding: var(--sp-32); background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--radius-lg); transition: transform var(--tr-lg), box-shadow var(--tr-lg);
}
.benefit-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.benefit-icon { font-size: 2.5rem; margin-bottom: var(--sp-16); display: block; line-height: 1; }
.benefit-title { font-size: 1.125rem; font-weight: 700; color: var(--primary); margin-bottom: var(--sp-8); }
.benefit-text { font-size: .9375rem; color: var(--text-muted); line-height: 1.7; }

/* ── Stats ── */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: var(--sp-40); text-align: center; }
.stat-num { font-size: clamp(2.5rem, 5vw, 3.75rem); font-weight: 800; color: var(--accent); line-height: 1; display: flex; align-items: baseline; justify-content: center; gap: 2px; }
.stat-suffix { font-size: clamp(1.5rem, 3vw, 2.25rem); font-weight: 800; }
.stat-label { font-size: 1rem; color: var(--text-muted); font-weight: 500; margin-top: var(--sp-8); }

/* ── CTA ── */
.cta-section {
  background: linear-gradient(135deg, var(--primary) 0%, #1a3f60 100%);
  padding: var(--sp-96) 0; text-align: center;
}
.cta-section h2 { font-size: clamp(1.875rem, 4vw, 3rem); color: #fff; margin-bottom: var(--sp-16); }
.cta-section p { font-size: 1.125rem; color: rgba(255,255,255,.75); margin-bottom: var(--sp-40); max-width: 600px; margin-left: auto; margin-right: auto; }

/* ── Reviews (judge.me style) ── */
.reviews-grid { columns: 3; column-gap: var(--sp-24); }
.review-card {
  break-inside: avoid; background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: var(--sp-24); margin-bottom: var(--sp-24);
  transition: box-shadow var(--tr);
}
.review-card:hover { box-shadow: var(--shadow); }
.review-header { display: flex; align-items: center; gap: var(--sp-12); margin-bottom: var(--sp-16); }
.review-avatar {
  width: 40px; height: 40px; border-radius: 50%; background: var(--accent);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.125rem; font-weight: 700; color: #fff; flex-shrink: 0;
}
.review-name { font-size: .875rem; font-weight: 700; color: var(--primary); }
.review-verified { font-size: .6875rem; color: #15803d; font-weight: 600; margin-top: 2px; display: flex; align-items: center; gap: 3px; }
.review-verified::before { content: '✓'; font-weight: 900; }
.review-text { font-size: .875rem; color: var(--text-muted); line-height: 1.75; }
.review-tag {
  display: inline-block; font-size: .6875rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .08em;
  color: var(--accent-dark); background: var(--accent-light);
  padding: 3px 10px; border-radius: 20px; margin-top: var(--sp-12);
}
.review-date { font-size: .75rem; color: var(--text-muted); margin-top: 2px; }

/* ── About page ── */
.mission-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-64); align-items: center; }
.mission-text h2 { font-size: clamp(1.875rem, 4vw, 2.75rem); margin-bottom: var(--sp-24); }
.mission-text p { font-size: 1.0625rem; color: var(--text-muted); line-height: 1.8; margin-bottom: var(--sp-16); }
.mission-img img { border-radius: var(--radius-xl); width: 100%; height: 420px; object-fit: cover; }

.values-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: var(--sp-24); }
.value-card {
  padding: var(--sp-32); border-left: 4px solid var(--accent);
  background: var(--bg); border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  box-shadow: var(--shadow-sm);
}
.value-card h3 { font-size: 1.125rem; margin-bottom: var(--sp-8); }
.value-card p { font-size: .9375rem; color: var(--text-muted); line-height: 1.7; }

.promises-list { display: flex; flex-direction: column; gap: var(--sp-16); max-width: 800px; margin: 0 auto; }
.promise-item {
  display: flex; align-items: flex-start; gap: var(--sp-16);
  padding: var(--sp-24); background: var(--bg); border-radius: var(--radius-lg); border: 1px solid var(--border);
}
.promise-check {
  width: 32px; height: 32px; border-radius: 50%; background: var(--accent); color: #fff;
  display: flex; align-items: center; justify-content: center; font-size: 1rem; font-weight: 900; flex-shrink: 0;
}
.promise-text h3 { font-size: 1rem; font-weight: 700; margin-bottom: 4px; }
.promise-text p { font-size: .875rem; color: var(--text-muted); }

.team-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-32); text-align: center; }
.team-stat-num { font-size: 2.5rem; font-weight: 800; color: #fff; line-height: 1; }
.team-stat-label { font-size: .875rem; color: rgba(255,255,255,.7); margin-top: var(--sp-8); }

/* ── Contact ── */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-64); align-items: start; }
.contact-form { display: flex; flex-direction: column; gap: var(--sp-16); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-16); }
.form-group { display: flex; flex-direction: column; gap: var(--sp-8); }
.form-group label { font-size: .875rem; font-weight: 600; color: var(--primary); }
.form-group input, .form-group textarea, .form-group select {
  padding: 12px var(--sp-16); border: 1.5px solid var(--border); border-radius: var(--radius);
  font-family: inherit; font-size: 1rem; color: var(--text); background: var(--bg);
  transition: border-color var(--tr), box-shadow var(--tr); min-height: 48px;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(0,180,216,.18);
}
.form-group textarea { resize: vertical; min-height: 128px; line-height: 1.65; }

.contact-info-card { background: var(--bg-alt); border-radius: var(--radius-xl); padding: var(--sp-40); border: 1px solid var(--border); }
.contact-info-card h3 { font-size: 1.5rem; margin-bottom: var(--sp-32); }
.contact-detail { display: flex; gap: var(--sp-16); align-items: flex-start; margin-bottom: var(--sp-24); }
.contact-icon {
  width: 40px; height: 40px; min-width: 40px; background: var(--accent); border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center; font-size: 1.125rem; color: #fff;
}
.contact-detail-text h4 { font-size: .875rem; font-weight: 700; margin-bottom: 4px; }
.contact-detail-text p, .contact-detail-text a { font-size: .9375rem; color: var(--text-muted); }
.contact-detail-text a { color: var(--accent); transition: opacity var(--tr); }
.contact-detail-text a:hover { opacity: .8; }

/* ── FAQ Accordion ── */
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: var(--sp-8); }
.faq-item { border: 1.5px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; transition: border-color var(--tr); }
.faq-item.open { border-color: var(--accent); }
.faq-question {
  width: 100%; padding: var(--sp-24); text-align: left;
  font-size: 1rem; font-weight: 600; color: var(--primary); background: var(--bg);
  display: flex; justify-content: space-between; align-items: center; gap: var(--sp-16);
  min-height: 64px; cursor: pointer; transition: background var(--tr);
}
.faq-question:hover { background: var(--bg-alt); }
.faq-icon {
  width: 28px; height: 28px; min-width: 28px; border-radius: 50%;
  background: var(--accent-light); color: var(--accent);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.375rem; font-weight: 300; line-height: 1;
  transition: transform var(--tr), background var(--tr), color var(--tr);
}
.faq-item.open .faq-icon { transform: rotate(45deg); background: var(--accent); color: #fff; }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 360ms ease, padding var(--tr); }
.faq-answer-inner { padding: 0 var(--sp-24) var(--sp-24); font-size: .9375rem; color: var(--text-muted); line-height: 1.8; }
.faq-item.open .faq-answer { max-height: 500px; }

/* ── Footer ── */
.footer { background: var(--footer-bg); color: rgba(255,255,255,.88); padding: var(--sp-64) 0 var(--sp-32); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: var(--sp-48); margin-bottom: var(--sp-48); }
.footer-logo { font-size: 1.5rem; font-weight: 800; letter-spacing: -.02em; color: #fff; margin-bottom: var(--sp-16); display: block; }
.footer-logo span { color: var(--accent); }
.footer-brand p { font-size: .9375rem; color: rgba(255,255,255,.65); line-height: 1.7; margin-bottom: var(--sp-16); }
.footer-address { font-size: .9375rem; color: rgba(255,255,255,.65); font-style: normal; line-height: 1.7; }
.footer-col h4 { font-size: .8125rem; font-weight: 700; text-transform: uppercase; letter-spacing: .1em; color: #fff; margin-bottom: var(--sp-16); }
.footer-col ul { display: flex; flex-direction: column; gap: var(--sp-8); }
.footer-col ul li a { font-size: .9375rem; color: rgba(255,255,255,.65); transition: color var(--tr); display: inline-block; padding: 2px 0; }
.footer-col ul li a:hover { color: var(--accent); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.12); padding-top: var(--sp-24);
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: var(--sp-16);
}
.footer-bottom p { font-size: .875rem; color: rgba(255,255,255,.5); }
.footer-bottom-links { display: flex; gap: var(--sp-24); }
.footer-bottom-links a { font-size: .875rem; color: rgba(255,255,255,.5); transition: color var(--tr); }
.footer-bottom-links a:hover { color: var(--accent); }

/* ── Utilities ── */
.text-center { text-align: center; }
.mt-16 { margin-top: var(--sp-16); }
.mt-40 { margin-top: var(--sp-40); }
.hidden { display: none !important; }

/* ── Responsive ── */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--sp-32); }
  .hero-inner { grid-template-columns: 1fr; text-align: center; }
  .hero-desc { max-width: 100%; }
  .hero-actions { justify-content: center; }
  .hero-img-wrap { order: -1; }
  .hero-img-wrap img { max-height: 360px; }
  .mission-wrap { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .team-stats { grid-template-columns: repeat(3,1fr); }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-burger { display: flex; }
  .reviews-grid { columns: 1; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: var(--sp-32); }
  .section { padding: var(--sp-64) 0; }
  .cta-section { padding: var(--sp-64) 0; }
  .hero { padding: var(--sp-48) 0; min-height: auto; }
  .section-header { margin-bottom: var(--sp-40); }
  .team-stats { grid-template-columns: 1fr; gap: var(--sp-24); }
}

@media (max-width: 480px) {
  :root { --sp-24: 16px; }
  .hero-title { font-size: 2.125rem; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .products-grid { grid-template-columns: repeat(2,1fr); gap: var(--sp-12); }
  .stats-grid { grid-template-columns: repeat(2,1fr); gap: var(--sp-24); }
  .benefits-grid { grid-template-columns: 1fr; }
  .container { padding: 0 var(--sp-16); }
}