/* =========================================================
   Sencaisport Inquiry Site — styles.css
   ========================================================= */

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

:root {
  --clr-primary:   #1a3a5c;   /* dark navy */
  --clr-accent:    #d4890a;   /* warm gold */
  --clr-bg:        #f8f7f4;
  --clr-surface:   #ffffff;
  --clr-text:      #1e1e1e;
  --clr-muted:     #5a5a5a;
  --clr-border:    #e0ddd6;
  --clr-wa:        #25d366;   /* WhatsApp green */
  --radius:        8px;
  --shadow:        0 2px 12px rgba(0,0,0,.10);
  --max-width:     1160px;
  --font-body:     'Inter', system-ui, -apple-system, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  color: var(--clr-text);
  background: var(--clr-bg);
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 3px solid #ffd083;
  outline-offset: 3px;
}

/* --- Layout --- */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 20px; }
section { padding: 64px 0; }
.section-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--clr-primary);
  margin-bottom: 12px;
}
.section-sub {
  font-size: 1rem;
  color: var(--clr-muted);
  margin-bottom: 40px;
}

/* --- Header / Nav --- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: var(--clr-surface);
  border-bottom: 1px solid var(--clr-border);
  box-shadow: 0 1px 6px rgba(0,0,0,.07);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.logo { display: flex; align-items: center; gap: 10px; }
.logo-text { font-size: 1.2rem; font-weight: 700; color: var(--clr-primary); }
.logo-sub { font-size: .75rem; color: var(--clr-muted); letter-spacing: .04em; }

.site-nav { display: flex; align-items: center; gap: 28px; }
.site-nav a { font-size: .9rem; font-weight: 500; color: var(--clr-muted); transition: color .2s; }
.site-nav a:hover, .site-nav a.active { color: var(--clr-primary); }

.nav-cta {
  background: var(--clr-wa);
  color: #fff !important;
  padding: 8px 18px;
  border-radius: 24px;
  font-weight: 600 !important;
  font-size: .85rem !important;
  display: flex; align-items: center; gap: 6px;
  transition: opacity .2s;
}
.nav-cta:hover { opacity: .88; }

/* Mobile nav */
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 4px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--clr-primary); margin: 5px 0; border-radius: 2px; }

@media (max-width: 768px) {
  .site-nav { display: none; position: absolute; top: 64px; left: 0; right: 0;
    background: var(--clr-surface); flex-direction: column; gap: 0;
    border-bottom: 1px solid var(--clr-border); padding: 12px 0; }
  .site-nav.open { display: flex; }
  .site-nav a { padding: 12px 20px; width: 100%; }
  .nav-toggle { display: block; }
}

/* --- Hero --- */
.hero {
  background: linear-gradient(135deg, var(--clr-primary) 0%, #2c5282 100%);
  color: #fff;
  padding: 80px 0 72px;
  position: relative; overflow: hidden;
}
.hero::after {
  content: ''; position: absolute; inset: 0;
  background:
    radial-gradient(circle at 82% 28%, rgba(255,255,255,.22) 0 1px, transparent 2px) 0 0 / 22px 22px,
    linear-gradient(115deg, transparent 55%, rgba(255,255,255,.08));
  opacity: .42; pointer-events: none;
}
.hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; position: relative; z-index: 1; }
.hero-badge { display: inline-block; background: rgba(255,255,255,.15); border: 1px solid rgba(255,255,255,.3); border-radius: 20px; padding: 4px 14px; font-size: .8rem; letter-spacing: .06em; margin-bottom: 20px; }
.hero h1 { font-size: clamp(1.8rem, 4vw, 2.8rem); font-weight: 800; line-height: 1.2; margin-bottom: 20px; }
.hero-desc { font-size: 1.05rem; opacity: .88; margin-bottom: 32px; line-height: 1.7; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }

.btn-primary {
  background: var(--clr-wa);
  color: #fff;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 1rem;
  display: inline-flex; align-items: center; gap: 8px;
  transition: opacity .2s, transform .1s;
  cursor: pointer;
}
.btn-primary:hover { opacity: .9; transform: translateY(-1px); }

.btn-secondary {
  background: rgba(255,255,255,.12);
  color: #fff;
  border: 1px solid rgba(255,255,255,.35);
  padding: 14px 28px;
  border-radius: var(--radius);
  font-weight: 500;
  font-size: 1rem;
  display: inline-flex; align-items: center; gap: 8px;
  transition: background .2s;
}
.btn-secondary:hover { background: rgba(255,255,255,.2); }

.hero-stats { display: flex; gap: 32px; margin-top: 40px; flex-wrap: wrap; }
.hero-stat strong { display: block; font-size: 1.6rem; font-weight: 800; }
.hero-stat span { font-size: .8rem; opacity: .75; }

.hero-image { position: relative; border-radius: 12px; overflow: hidden; box-shadow: var(--shadow); }
.hero-image img { width: 100%; height: 400px; object-fit: cover; }

@media (max-width: 768px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-image { display: block; order: -1; }
  .hero-image img { height: 250px; }
  .hero { padding: 56px 0 48px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}

/* --- Trust Bar --- */
.trust-bar { background: var(--clr-surface); border-bottom: 1px solid var(--clr-border); padding: 20px 0; }
.trust-bar-inner { display: flex; flex-wrap: wrap; gap: 32px; justify-content: center; align-items: center; }
.trust-item { display: flex; align-items: center; gap: 8px; font-size: .88rem; color: var(--clr-muted); }
.trust-item svg { width: 20px; height: 20px; flex-shrink: 0; color: var(--clr-accent); }

/* --- Products Grid --- */
.products-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 24px; }
.product-card {
  background: var(--clr-surface);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--clr-border);
  transition: transform .2s, box-shadow .2s;
  display: flex; flex-direction: column;
}
.product-card:hover { transform: translateY(-4px); box-shadow: 0 8px 28px rgba(0,0,0,.13); }
.product-card-img { height: 220px; overflow: hidden; }
.product-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s; }
.product-card:hover .product-card-img img { transform: scale(1.04); }
.product-card-body { padding: 18px; flex: 1; display: flex; flex-direction: column; }
.product-card h3 { font-size: 1rem; font-weight: 600; color: var(--clr-primary); margin-bottom: 8px; }
.product-card p { font-size: .88rem; color: var(--clr-muted); flex: 1; }
.product-card-footer { padding: 12px 18px; border-top: 1px solid var(--clr-border); display: flex; align-items: center; justify-content: space-between; }
.product-price { font-size: .9rem; font-weight: 600; color: var(--clr-accent); }
.product-moq { font-size: .78rem; color: var(--clr-muted); }
.product-card .card-cta { font-size: .85rem; font-weight: 600; color: var(--clr-wa); display: flex; align-items: center; gap: 4px; }

/* --- Feature List (Why Us) --- */
.features-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 28px; }
.feature-card { background: var(--clr-surface); padding: 28px 24px; border-radius: var(--radius); border: 1px solid var(--clr-border); }
.feature-icon { width: 48px; height: 48px; background: #eef3f8; border-radius: 10px; display: flex; align-items: center; justify-content: center; margin-bottom: 16px; }
.feature-icon svg { width: 24px; height: 24px; color: var(--clr-primary); }
.feature-card h3 { font-size: 1rem; font-weight: 600; margin-bottom: 8px; color: var(--clr-primary); }
.feature-card p { font-size: .88rem; color: var(--clr-muted); }

/* --- Process Steps --- */
.steps-list { counter-reset: step; display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 28px; }
.step-item { position: relative; padding: 24px; background: var(--clr-surface); border-radius: var(--radius); border: 1px solid var(--clr-border); }
.step-item::before { counter-increment: step; content: counter(step); position: absolute; top: -14px; left: 20px; width: 28px; height: 28px; background: var(--clr-primary); color: #fff; border-radius: 50%; font-size: .8rem; font-weight: 700; display: flex; align-items: center; justify-content: center; }
.step-item h3 { font-size: .95rem; font-weight: 600; margin-bottom: 8px; color: var(--clr-primary); }
.step-item p { font-size: .85rem; color: var(--clr-muted); }

/* --- Specs Table --- */
.specs-table { width: 100%; border-collapse: collapse; background: var(--clr-surface); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.specs-table th, .specs-table td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--clr-border); font-size: .9rem; }
.specs-table th { background: var(--clr-primary); color: #fff; font-weight: 600; }
.specs-table tr:last-child td { border-bottom: none; }
.specs-table tr:nth-child(even) td { background: #f5f5f2; }
.table-wrap { width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; }
.table-wrap .specs-table { min-width: 720px; }

/* --- CTA Section --- */
.cta-section { background: linear-gradient(135deg, var(--clr-primary) 0%, #2c5282 100%); color: #fff; text-align: center; padding: 72px 0; }
.cta-section h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); font-weight: 700; margin-bottom: 16px; }
.cta-section p { font-size: 1.05rem; opacity: .88; margin-bottom: 36px; max-width: 560px; margin-left: auto; margin-right: auto; }
.cta-buttons { display: flex; flex-wrap: wrap; gap: 16px; justify-content: center; }

/* --- FAQ --- */
.faq-list { max-width: 720px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--clr-border); }
.faq-q { width: 100%; background: none; border: none; text-align: left; padding: 18px 0; font-size: 1rem; font-weight: 600; color: var(--clr-primary); cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.faq-q .chevron { width: 18px; height: 18px; flex-shrink: 0; transition: transform .25s; color: var(--clr-muted); }
.faq-item.open .chevron { transform: rotate(180deg); }
.faq-a { display: none; padding: 0 0 18px; font-size: .92rem; color: var(--clr-muted); line-height: 1.7; }
.faq-item.open .faq-a { display: block; }

/* --- Contact Form --- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.contact-info p { color: var(--clr-muted); margin-bottom: 28px; }
.contact-detail { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; font-size: .92rem; }
.contact-detail svg { width: 20px; height: 20px; color: var(--clr-accent); flex-shrink: 0; }
.contact-form { background: var(--clr-surface); padding: 32px; border-radius: var(--radius); box-shadow: var(--shadow); border: 1px solid var(--clr-border); }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: .88rem; font-weight: 500; margin-bottom: 6px; color: var(--clr-text); }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 10px 14px; border: 1px solid var(--clr-border); border-radius: 6px;
  font-size: .92rem; font-family: inherit; color: var(--clr-text); background: var(--clr-bg);
  transition: border-color .2s;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: var(--clr-primary); }
.form-group textarea { height: 110px; resize: vertical; }
.form-submit { width: 100%; padding: 13px; background: var(--clr-primary); color: #fff; border: none; border-radius: var(--radius); font-size: 1rem; font-weight: 600; cursor: pointer; transition: opacity .2s; }
.form-submit:hover { opacity: .88; }
.form-success { display: none; background: #d4edda; color: #155724; padding: 14px; border-radius: 6px; margin-top: 16px; font-size: .9rem; }

@media (max-width: 768px) {
  .contact-grid { grid-template-columns: 1fr; }
}

/* --- Breadcrumb --- */
.breadcrumb { padding: 12px 0; font-size: .82rem; color: var(--clr-muted); display: flex; gap: 8px; flex-wrap: wrap; }
.breadcrumb a { color: var(--clr-primary); }
.breadcrumb span { opacity: .5; }

/* --- Page Hero (inner pages) --- */
.page-hero { background: var(--clr-primary); color: #fff; padding: 48px 0 40px; }
.page-hero h1 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); font-weight: 800; margin-bottom: 10px; }
.page-hero p { font-size: 1rem; opacity: .85; max-width: 600px; }

/* --- WhatsApp Float --- */
.wa-float {
  position: fixed; bottom: 28px; right: 28px; z-index: 200;
  background: var(--clr-wa); color: #fff;
  width: 56px; height: 56px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,.5);
  transition: transform .2s;
}
.wa-float:hover { transform: scale(1.08); }
.wa-float svg { width: 28px; height: 28px; }

/* --- Footer --- */
.site-footer { background: var(--clr-primary); color: rgba(255,255,255,.75); padding: 48px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-brand .logo-text { color: #fff; font-size: 1.1rem; margin-bottom: 10px; }
.footer-brand p { font-size: .88rem; line-height: 1.7; max-width: 280px; }
.footer-col h4 { color: #fff; font-size: .9rem; font-weight: 600; margin-bottom: 16px; }
.footer-col a { display: block; font-size: .85rem; margin-bottom: 8px; transition: color .2s; }
.footer-col a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding-top: 20px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; font-size: .8rem; opacity: .6; }

@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  section { padding: 48px 0; }
}

/* --- Utility --- */
.text-center { text-align: center; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-32 { margin-top: 32px; }
.tag { display: inline-block; background: #eef3f8; color: var(--clr-primary); border-radius: 4px; padding: 3px 10px; font-size: .78rem; font-weight: 600; }
.tag-green { background: #e8f7ee; color: #1a7a3c; }
.highlight { color: var(--clr-accent); }