/* ================================================
   KOSIN® — Official Website  |  mykosin.com
   ================================================ */

/* --- CSS Variables --- */
:root {
  --accent:        #F5A623;
  --accent-dark:   #D4891A;
  --accent-light:  #FFF5E0;
  --dark:          #1A1A1A;
  --dark-2:        #2C2C2C;
  --text:          #2C2C2C;
  --text-sec:      #5C5C5C;
  --text-muted:    #909090;
  --bg:            #FFFFFF;
  --bg-light:      #F9F8F6;
  --bg-section:    #F3F2EF;
  --border:        #E4E4E4;
  --footer-bg:     #111111;
  --radius:        8px;
  --radius-lg:     16px;
  --radius-xl:     24px;
  --shadow-sm:     0 2px 8px rgba(0,0,0,.06);
  --shadow:        0 6px 28px rgba(0,0,0,.09);
  --shadow-lg:     0 16px 56px rgba(0,0,0,.14);
  --transition:    .28s cubic-bezier(.4,0,.2,1);
  --max-w:         1200px;
  --nav-h:         72px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img  { max-width:100%; display:block; }
a    { color:inherit; text-decoration:none; }
ul   { list-style:none; }
button,input,textarea,select { font:inherit; }

/* --- Typography --- */
h1,h2,h3,h4,h5,h6 { font-weight:700; line-height:1.2; color:var(--dark); }
h1 { font-size:clamp(2.25rem,5vw,4rem); }
h2 { font-size:clamp(1.75rem,3.5vw,2.75rem); }
h3 { font-size:clamp(1.2rem,2.5vw,1.65rem); }
h4 { font-size:1.2rem; }
p  { max-width:70ch; }

/* --- Layout --- */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 96px 0; }
.section--light  { background: var(--bg-light); }
.section--darker { background: var(--bg-section); }
.section--dark   { background: var(--dark); color:#fff; }

.section-header { text-align:center; margin-bottom:64px; }
.section-header h2 { margin-bottom:16px; }
.section-header p  { font-size:1.0625rem; color:var(--text-sec); margin:0 auto; max-width:560px; line-height:1.7; }
.section-header--white h2 { color:#fff; }
.section-header--white p  { color:rgba(255,255,255,.7); }

.accent-line {
  position:relative; display:inline-block;
}
.accent-line::after {
  content:''; position:absolute; bottom:-6px; left:0;
  width:100%; height:4px; background:var(--accent); border-radius:2px;
}

/* --- Buttons --- */
.btn {
  display:inline-flex; align-items:center; justify-content:center;
  gap:8px; padding:14px 32px; border-radius:var(--radius);
  font-size:1rem; font-weight:600; border:2px solid transparent;
  cursor:pointer; transition:all var(--transition);
  text-decoration:none; min-height:48px; min-width:44px; white-space:nowrap;
}
.btn-primary {
  background:var(--accent); color:var(--dark); border-color:var(--accent);
}
.btn-primary:hover {
  background:var(--accent-dark); border-color:var(--accent-dark);
  transform:translateY(-2px); box-shadow:0 8px 24px rgba(245,166,35,.35);
}
.btn-dark {
  background:var(--dark); color:#fff; border-color:var(--dark);
}
.btn-dark:hover {
  background:var(--dark-2); transform:translateY(-2px);
  box-shadow:0 8px 24px rgba(0,0,0,.22);
}
.btn-outline {
  background:transparent; color:var(--dark); border-color:var(--dark);
}
.btn-outline:hover { background:var(--dark); color:#fff; }
.btn-outline-white {
  background:transparent; color:#fff; border-color:rgba(255,255,255,.7);
}
.btn-outline-white:hover { background:#fff; color:var(--dark); }
.btn-lg { padding:18px 40px; font-size:1.0625rem; }
.btn-full { width:100%; justify-content:center; }

/* --- Navbar --- */
.navbar {
  position:fixed; top:0; left:0; right:0; z-index:1000;
  height:var(--nav-h);
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
  transition:box-shadow var(--transition);
}
.navbar.scrolled { box-shadow:0 4px 24px rgba(0,0,0,.08); }

.navbar-inner {
  display:flex; align-items:center; justify-content:space-between;
  height:var(--nav-h); max-width:var(--max-w); margin:0 auto; padding:0 24px;
}

.navbar-logo {
  font-size:1.625rem; font-weight:900; letter-spacing:-.03em;
  color:var(--dark); display:flex; align-items:center; gap:10px;
}
.navbar-logo .k-accent { color:var(--accent); }
.logo-official {
  font-size:.6rem; font-weight:700; letter-spacing:.12em;
  color:var(--text-muted); text-transform:uppercase;
  border:1px solid var(--border); padding:3px 8px; border-radius:4px;
}

.nav-links { display:flex; align-items:center; gap:4px; }
.nav-links a {
  padding:8px 16px; border-radius:var(--radius);
  font-size:.9375rem; font-weight:500; color:var(--text);
  transition:all var(--transition); min-height:44px;
  display:flex; align-items:center;
}
.nav-links a:hover       { color:var(--accent-dark); background:var(--accent-light); }
.nav-links a.active      { color:var(--accent-dark); background:var(--accent-light); font-weight:600; }
.nav-links .nav-cta      { background:var(--accent) !important; color:var(--dark) !important; font-weight:700 !important; margin-left:8px; }
.nav-links .nav-cta:hover{ background:var(--accent-dark) !important; transform:translateY(-1px); }

/* Hamburger */
.hamburger {
  display:none; flex-direction:column; gap:5px; cursor:pointer;
  padding:10px; border:none; background:transparent;
  min-height:44px; min-width:44px; align-items:center; justify-content:center;
  border-radius:var(--radius);
}
.hamburger span {
  display:block; width:24px; height:2px; background:var(--dark);
  border-radius:2px; transition:all var(--transition);
}
.hamburger.active span:nth-child(1) { transform:translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity:0; transform:scaleX(0); }
.hamburger.active span:nth-child(3) { transform:translateY(-7px) rotate(-45deg); }

/* Mobile Nav */
.mobile-nav {
  display:none; position:fixed; inset:0; z-index:999;
  background:rgba(255,255,255,.98); backdrop-filter:blur(14px);
  flex-direction:column; align-items:center; justify-content:center;
  gap:8px; opacity:0; transition:opacity var(--transition);
}
.mobile-nav.open { display:flex; opacity:1; }
.mobile-nav a {
  font-size:1.625rem; font-weight:700; color:var(--dark);
  padding:16px 40px; border-radius:var(--radius);
  transition:all var(--transition); min-height:64px;
  display:flex; align-items:center; text-align:center;
}
.mobile-nav a:hover,
.mobile-nav a.active { color:var(--accent-dark); background:var(--accent-light); }
.mobile-close {
  position:absolute; top:16px; right:16px;
  background:transparent; border:none; cursor:pointer;
  width:48px; height:48px; display:flex; align-items:center; justify-content:center;
  border-radius:var(--radius); font-size:1.5rem; color:var(--dark);
  transition:background var(--transition);
}
.mobile-close:hover { background:var(--bg-light); }

/* --- Marquee --- */
.marquee-wrap {
  background:var(--dark); padding:14px 0; overflow:hidden;
}
.marquee-track {
  display:flex; gap:0; width:max-content;
  animation:marquee 35s linear infinite;
}
.marquee-track:hover { animation-play-state:paused; }
.marquee-item {
  display:flex; align-items:center; gap:12px; padding:0 32px;
  font-size:.8125rem; font-weight:700; letter-spacing:.12em;
  text-transform:uppercase; color:rgba(255,255,255,.85); white-space:nowrap;
}
.marquee-dot {
  width:5px; height:5px; border-radius:50%;
  background:var(--accent); flex-shrink:0;
}
@keyframes marquee {
  0%   { transform:translateX(0); }
  100% { transform:translateX(-50%); }
}

/* --- Hero --- */
.hero {
  min-height:100vh; display:flex; align-items:center;
  position:relative; overflow:hidden; background:var(--bg-light);
  padding-top:var(--nav-h);
}
.hero-bg { position:absolute; inset:0; z-index:0; }
.hero-bg img { width:100%; height:100%; object-fit:cover; }
.hero-overlay {
  position:absolute; inset:0; z-index:1;
  background:linear-gradient(120deg,rgba(255,255,255,.97) 0%,rgba(255,255,255,.88) 55%,rgba(255,255,255,.55) 100%);
}
.hero .container { position:relative; z-index:2; width:100%; }

.hero-badge {
  display:inline-flex; align-items:center; gap:10px;
  background:var(--accent-light); border:1px solid rgba(245,166,35,.35);
  color:var(--accent-dark); font-size:.8rem; font-weight:700;
  letter-spacing:.12em; text-transform:uppercase;
  padding:8px 18px; border-radius:100px; margin-bottom:24px;
}
.hero-pulse {
  width:8px; height:8px; border-radius:50%; background:var(--accent);
  animation:pulse 2s ease-in-out infinite; flex-shrink:0;
}
@keyframes pulse {
  0%,100% { opacity:1; transform:scale(1); }
  50%      { opacity:.5; transform:scale(.75); }
}

.hero h1 {
  font-size:clamp(2.5rem,5.5vw,4.5rem);
  font-weight:900; letter-spacing:-.035em;
  margin-bottom:24px; max-width:680px;
}
.hero h1 em { font-style:normal; color:var(--accent); }

.hero-sub {
  font-size:1.125rem; color:var(--text-sec);
  margin-bottom:40px; max-width:520px; line-height:1.75;
}

.hero-actions { display:flex; gap:16px; flex-wrap:wrap; }

.hero-trust {
  display:flex; align-items:center; gap:32px; margin-top:56px;
  padding-top:40px; border-top:1px solid var(--border); flex-wrap:wrap;
}
.trust-item { display:flex; flex-direction:column; }
.trust-item strong { font-size:1.5rem; font-weight:900; color:var(--accent-dark); }
.trust-item span   { font-size:.8125rem; color:var(--text-muted); font-weight:500; }

/* --- Products Grid (home & products page) --- */
.products-grid {
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(300px,1fr));
  gap:32px;
}

.product-card {
  background:var(--bg); border:1px solid var(--border);
  border-radius:var(--radius-lg); overflow:hidden;
  transition:all var(--transition); container-type:inline-size;
}
.product-card:hover {
  transform:translateY(-8px); box-shadow:var(--shadow-lg);
  border-color:var(--accent);
}
.product-img-wrap {
  aspect-ratio:1; background:var(--bg-light);
  display:flex; align-items:center; justify-content:center;
  padding:24px; overflow:hidden;
}
.product-img-wrap img {
  width:100%; height:100%; object-fit:contain;
  transition:transform var(--transition);
}
.product-card:hover .product-img-wrap img { transform:scale(1.05); }

.product-info { padding:24px; }
.product-cat {
  font-size:.75rem; font-weight:700; letter-spacing:.12em;
  text-transform:uppercase; color:var(--accent-dark); margin-bottom:8px;
}
.product-info h3 {
  font-size:1rem; margin-bottom:12px; color:var(--dark);
  line-height:1.4; display:-webkit-box;
  -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden;
}
.product-feats { margin-bottom:20px; }
.product-feats li {
  font-size:.875rem; color:var(--text-sec);
  padding:3px 0; display:flex; align-items:flex-start; gap:8px; line-height:1.5;
}
.product-feats li::before {
  content:''; width:6px; height:6px; border-radius:50%;
  background:var(--accent); flex-shrink:0; margin-top:7px;
}

/* --- Benefits --- */
.benefits-grid {
  display:grid; grid-template-columns:repeat(auto-fill,minmax(240px,1fr)); gap:32px;
}
.benefit-card {
  padding:40px 32px; border-radius:var(--radius-lg);
  background:var(--bg); border:1px solid var(--border);
  transition:all var(--transition);
}
.benefit-card:hover { border-color:var(--accent); box-shadow:var(--shadow); transform:translateY(-4px); }
.benefit-icon {
  width:56px; height:56px; border-radius:var(--radius);
  background:var(--accent-light); display:flex; align-items:center;
  justify-content:center; margin-bottom:24px; font-size:1.75rem;
}
.benefit-card h3 { font-size:1.0625rem; margin-bottom:10px; }
.benefit-card p  { font-size:.9375rem; color:var(--text-sec); line-height:1.65; }

/* --- Stats --- */
.stats-section { background:var(--dark); padding:80px 0; }
.stats-grid {
  display:grid; grid-template-columns:repeat(4,1fr); gap:48px;
}
.stat-item { text-align:center; }
.stat-num {
  font-size:clamp(2.25rem,4vw,3.5rem); font-weight:900;
  color:var(--accent); letter-spacing:-.04em;
  display:block; line-height:1; margin-bottom:8px;
}
.stat-label {
  font-size:.8125rem; color:rgba(255,255,255,.6);
  font-weight:600; text-transform:uppercase; letter-spacing:.1em;
}

/* --- CTA Band --- */
.cta-section {
  background:linear-gradient(135deg,var(--accent) 0%,#E8961A 100%);
  padding:96px 0; text-align:center;
}
.cta-section h2 { color:var(--dark); margin-bottom:16px; }
.cta-section p  { color:rgba(26,26,26,.72); font-size:1.0625rem; margin:0 auto 40px; max-width:520px; }

/* --- Reviews (judge.me layout) --- */
.reviews-masonry { columns:3; column-gap:24px; }
.review-card {
  break-inside:avoid; background:var(--bg);
  border:1px solid var(--border); border-radius:var(--radius-lg);
  padding:28px; margin-bottom:24px; transition:all var(--transition);
}
.review-card:hover { box-shadow:var(--shadow); border-color:rgba(245,166,35,.35); }
.review-head { display:flex; align-items:center; gap:12px; margin-bottom:16px; }
.review-avatar {
  width:44px; height:44px; border-radius:50%; background:var(--accent);
  display:flex; align-items:center; justify-content:center;
  font-weight:800; font-size:1.1rem; color:var(--dark); flex-shrink:0;
}
.review-avatar.rv2 { background:#1A1A1A; color:#fff; }
.review-avatar.rv3 { background:#5C85D6; color:#fff; }
.review-avatar.rv4 { background:#28A745; color:#fff; }
.review-name     { font-weight:700; font-size:.9375rem; color:var(--dark); }
.review-location { font-size:.8125rem; color:var(--text-muted); }
.review-verified {
  margin-left:auto; font-size:.75rem; font-weight:600;
  color:#28a745; display:flex; align-items:center; gap:4px; white-space:nowrap;
}
.review-title    { font-weight:700; font-size:1rem; color:var(--dark); margin-bottom:8px; }
.review-body     { font-size:.9375rem; color:var(--text-sec); line-height:1.65; }
.review-date     { font-size:.8125rem; color:var(--text-muted); margin-top:12px; }

/* --- Footer --- */
.footer { background:var(--footer-bg); color:rgba(255,255,255,.82); padding:80px 0 0; }
.footer-grid {
  display:grid; grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:48px; margin-bottom:64px;
}
.footer-logo {
  font-size:1.75rem; font-weight:900; letter-spacing:-.03em;
  color:#fff; margin-bottom:16px;
}
.footer-logo span { color:var(--accent); }
.footer-desc  { font-size:.9375rem; color:rgba(255,255,255,.55); line-height:1.75; max-width:280px; margin-bottom:24px; }
.footer-badge {
  display:inline-flex; align-items:center; gap:8px;
  border:1px solid rgba(245,166,35,.4); border-radius:var(--radius);
  padding:8px 16px; font-size:.7rem; font-weight:700;
  letter-spacing:.12em; text-transform:uppercase; color:var(--accent);
}
.footer-col h4 {
  font-size:.8125rem; font-weight:700; letter-spacing:.12em;
  text-transform:uppercase; color:rgba(255,255,255,.9); margin-bottom:20px;
}
.footer-col ul li { margin-bottom:12px; }
.footer-col ul li a { font-size:.9375rem; color:rgba(255,255,255,.55); transition:color var(--transition); }
.footer-col ul li a:hover { color:var(--accent); }
.fc-item { margin-bottom:20px; }
.fc-label {
  font-size:.7rem; font-weight:700; text-transform:uppercase;
  letter-spacing:.1em; color:rgba(255,255,255,.35); margin-bottom:4px;
}
.fc-val { font-size:.9375rem; color:rgba(255,255,255,.7); line-height:1.6; }
.fc-val a { color:rgba(255,255,255,.7); transition:color var(--transition); }
.fc-val a:hover { color:var(--accent); }

.footer-bottom {
  border-top:1px solid rgba(255,255,255,.08); padding:24px 0;
  display:flex; align-items:center; justify-content:space-between;
  flex-wrap:wrap; gap:16px;
}
.footer-copy { font-size:.875rem; color:rgba(255,255,255,.4); }
.footer-nav  { display:flex; gap:24px; }
.footer-nav a { font-size:.875rem; color:rgba(255,255,255,.4); transition:color var(--transition); }
.footer-nav a:hover { color:rgba(255,255,255,.8); }

/* --- Scroll Reveal --- */
.reveal {
  opacity:0; transform:translateY(32px);
  transition:opacity .65s ease, transform .65s ease;
}
.reveal.visible { opacity:1; transform:none; }
.reveal-d1 { transition-delay:.1s; }
.reveal-d2 { transition-delay:.2s; }
.reveal-d3 { transition-delay:.3s; }
.reveal-d4 { transition-delay:.4s; }

/* ===== ABOUT PAGE ===== */
.page-hero {
  background:var(--bg-light); padding:calc(var(--nav-h) + 64px) 0 80px;
  text-align:center;
}
.page-hero h1 { margin-bottom:24px; }
.page-hero p  { font-size:1.125rem; color:var(--text-sec); margin:0 auto; max-width:600px; line-height:1.75; }
.page-hero--dark { background:var(--dark); }
.page-hero--dark h1 { color:#fff; }
.page-hero--dark p  { color:rgba(255,255,255,.65); }

.values-grid {
  display:grid; grid-template-columns:repeat(3,1fr); gap:32px;
}
.value-card {
  padding:48px 40px; border-radius:var(--radius-xl);
  background:var(--dark); color:#fff; position:relative; overflow:hidden;
}
.value-card::before {
  content:''; position:absolute; top:-40px; right:-40px;
  width:140px; height:140px; border-radius:50%;
  background:rgba(245,166,35,.1);
}
.val-num {
  font-size:4rem; font-weight:900; color:rgba(245,166,35,.2);
  line-height:1; margin-bottom:24px; letter-spacing:-.06em;
}
.value-card h3 { color:#fff; margin-bottom:12px; font-size:1.25rem; }
.value-card p  { font-size:.9375rem; color:rgba(255,255,255,.6); line-height:1.7; }

.mission-block {
  display:grid; grid-template-columns:1fr 1fr; gap:64px; align-items:center;
}
.mission-visual {
  aspect-ratio:4/3; border-radius:var(--radius-xl); overflow:hidden;
  background:var(--bg-section);
}
.mission-visual img { width:100%; height:100%; object-fit:cover; }
.mission-text h2 { margin-bottom:24px; }
.mission-text p  { font-size:1.0625rem; color:var(--text-sec); line-height:1.75; margin-bottom:24px; }

.promises-grid { display:grid; grid-template-columns:1fr 1fr; gap:24px; }
.promise-item {
  display:flex; gap:20px; padding:32px;
  background:var(--bg); border:1px solid var(--border);
  border-radius:var(--radius-lg); transition:all var(--transition);
}
.promise-item:hover { border-color:var(--accent); box-shadow:var(--shadow); }
.promise-icon {
  width:48px; height:48px; border-radius:var(--radius);
  background:var(--accent-light); display:flex; align-items:center;
  justify-content:center; font-size:1.4rem; flex-shrink:0;
}
.promise-text h4 { margin-bottom:8px; }
.promise-text p  { font-size:.9375rem; color:var(--text-sec); line-height:1.65; }

/* ===== PRODUCTS PAGE ===== */
.filter-bar {
  display:flex; gap:8px; flex-wrap:wrap;
  margin-bottom:48px; justify-content:center;
}
.filter-btn {
  padding:10px 24px; border-radius:100px;
  border:2px solid var(--border); background:var(--bg);
  font-size:.9375rem; font-weight:600; color:var(--text-sec);
  cursor:pointer; transition:all var(--transition); min-height:44px;
}
.filter-btn:hover  { border-color:var(--accent); color:var(--accent-dark); }
.filter-btn.active { background:var(--dark); border-color:var(--dark); color:#fff; }

.product-detail-card {
  background:var(--bg); border:1px solid var(--border);
  border-radius:var(--radius-xl); overflow:hidden;
  transition:all var(--transition); margin-bottom:48px;
}
.product-detail-card:hover { box-shadow:var(--shadow-lg); border-color:rgba(245,166,35,.4); }

.pdc-inner {
  display:grid;
  grid-template-columns:1fr 1.618fr;
}
.pdc-img {
  background:var(--bg-light);
  border-right:1px solid var(--border);
  display:flex;
  align-items:center;
  justify-content:center;
  padding:40px;
  min-height:400px;
}
.pdc-img img {
  display:block;
  width:100%;
  height:auto;
  max-height:480px;
  object-fit:contain;
}
.pdc-content { padding:48px; }
.pdc-content .product-cat { margin-bottom:12px; }
.pdc-content h2 { font-size:clamp(1.2rem,2.5vw,1.625rem); margin-bottom:20px; line-height:1.35; }
.pdc-content > p { font-size:1rem; color:var(--text-sec); line-height:1.75; margin-bottom:28px; }

.specs-grid {
  display:grid; grid-template-columns:1fr 1fr; gap:12px;
  margin-bottom:28px; padding:24px; background:var(--bg-light); border-radius:var(--radius);
}
.spec-it { display:flex; flex-direction:column; }
.spec-label { font-size:.7rem; font-weight:700; text-transform:uppercase; letter-spacing:.1em; color:var(--text-muted); margin-bottom:3px; }
.spec-val   { font-size:.9375rem; font-weight:600; color:var(--dark); }

.pdc-bullets { margin-bottom:32px; }
.pdc-bullets li {
  display:flex; gap:12px; padding:10px 0;
  font-size:.9375rem; color:var(--text-sec); line-height:1.55;
  border-bottom:1px solid var(--border); align-items:flex-start;
}
.pdc-bullets li:last-child { border-bottom:none; }
.blt-check {
  width:22px; height:22px; border-radius:50%; background:var(--accent-light);
  display:flex; align-items:center; justify-content:center;
  flex-shrink:0; margin-top:1px; font-size:.75rem; font-weight:800; color:var(--accent-dark);
}

/* ===== CONTACT PAGE ===== */
.contact-layout { display:grid; grid-template-columns:1fr 1.3fr; gap:64px; align-items:start; }
.contact-info-card {
  display:flex; gap:16px; padding:24px; background:var(--bg);
  border:1px solid var(--border); border-radius:var(--radius-lg);
  margin-bottom:16px; transition:all var(--transition);
}
.contact-info-card:hover { border-color:var(--accent); box-shadow:var(--shadow-sm); }
.ci-icon {
  width:48px; height:48px; border-radius:var(--radius); background:var(--accent-light);
  display:flex; align-items:center; justify-content:center; font-size:1.3rem; flex-shrink:0;
}
.ci-label { font-size:.7rem; font-weight:700; text-transform:uppercase; letter-spacing:.1em; color:var(--text-muted); margin-bottom:4px; }
.ci-val   { font-size:.9375rem; color:var(--dark); font-weight:500; line-height:1.6; }
.ci-val a { color:var(--dark); transition:color var(--transition); }
.ci-val a:hover { color:var(--accent-dark); }

.contact-form-wrap {
  background:var(--bg); border:1px solid var(--border);
  border-radius:var(--radius-xl); padding:48px;
}
.contact-form-wrap h3 { margin-bottom:32px; font-size:1.5rem; }
.form-group { margin-bottom:24px; }
.form-row { display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.form-group label { display:block; font-size:.875rem; font-weight:600; color:var(--dark); margin-bottom:8px; }
.form-group input,
.form-group select,
.form-group textarea {
  width:100%; padding:14px 16px; border:2px solid var(--border);
  border-radius:var(--radius); font-size:1rem; color:var(--dark);
  background:var(--bg); transition:border-color var(--transition), box-shadow var(--transition);
  min-height:48px;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline:none; border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(245,166,35,.15);
}
.form-group textarea { resize:vertical; min-height:128px; }
.form-success {
  display:none; text-align:center; padding:48px 24px;
  color:#28a745; font-weight:600; font-size:1.125rem;
}
.form-success-icon { font-size:3rem; margin-bottom:16px; }

/* FAQ */
.faq-list { max-width:800px; margin:0 auto; }
.faq-item {
  border:1px solid var(--border); border-radius:var(--radius);
  margin-bottom:12px; background:var(--bg); overflow:hidden;
  transition:border-color var(--transition);
}
.faq-item.open { border-color:var(--accent); box-shadow:var(--shadow-sm); }
.faq-q {
  width:100%; display:flex; align-items:center; justify-content:space-between;
  padding:20px 24px; background:transparent; border:none;
  cursor:pointer; font-size:1rem; font-weight:600; color:var(--dark);
  text-align:left; gap:16px; min-height:64px; transition:background var(--transition);
}
.faq-q:hover { background:var(--bg-light); }
.faq-icon {
  width:28px; height:28px; border-radius:50%; background:var(--bg-section);
  display:flex; align-items:center; justify-content:center;
  flex-shrink:0; font-size:1.2rem; color:var(--text-muted);
  transition:all var(--transition); line-height:1;
}
.faq-item.open .faq-icon { background:var(--accent); color:var(--dark); transform:rotate(45deg); }
.faq-a { max-height:0; overflow:hidden; transition:max-height .4s ease; }
.faq-a-inner { padding:0 24px 24px; font-size:.9375rem; color:var(--text-sec); line-height:1.75; }
.faq-item.open .faq-a { max-height:400px; }

/* --- Breadcrumb --- */
.breadcrumb {
  display:flex; align-items:center; gap:8px;
  font-size:.875rem; color:var(--text-muted); margin-bottom:40px; flex-wrap:wrap;
}
.breadcrumb a { color:var(--text-muted); transition:color var(--transition); }
.breadcrumb a:hover { color:var(--accent-dark); }
.bc-sep { color:var(--border); }

/* --- Inline Link --- */
.inline-link { color:var(--accent-dark); font-weight:600; border-bottom:1px solid rgba(212,137,26,.35); transition:border-color var(--transition); }
.inline-link:hover { border-color:var(--accent-dark); }

/* ===== RESPONSIVE ===== */
@media (max-width:1100px) {
  .stats-grid    { grid-template-columns:repeat(2,1fr); }
  .footer-grid   { grid-template-columns:1fr 1fr; gap:32px; }
  .values-grid   { grid-template-columns:1fr 1fr; }
  .pdc-inner     { grid-template-columns:1fr; }
  .pdc-img       { min-height:280px; border-right:none; border-bottom:1px solid var(--border); }
  .mission-block { grid-template-columns:1fr; gap:40px; }
  .contact-layout{ grid-template-columns:1fr; }
}

@media (max-width:768px) {
  :root { --nav-h:64px; }
  .section { padding:64px 0; }
  .nav-links  { display:none; }
  .hamburger  { display:flex; }
  .hero { min-height:90vh; }
  .hero-trust { gap:20px; }
  .hero-actions { flex-direction:column; }
  .hero-actions .btn { width:100%; }
  .products-grid   { grid-template-columns:1fr 1fr; gap:16px; }
  .reviews-masonry { columns:1; }
  .stats-grid      { grid-template-columns:repeat(2,1fr); gap:32px; }
  .values-grid     { grid-template-columns:1fr; }
  .promises-grid   { grid-template-columns:1fr; }
  .form-row        { grid-template-columns:1fr; }
  .footer-grid     { grid-template-columns:1fr; }
  .footer-bottom   { flex-direction:column; text-align:center; }
  .pdc-content     { padding:24px; }
  .specs-grid      { grid-template-columns:1fr; }
  .contact-form-wrap { padding:24px; }
  .section-header  { margin-bottom:40px; }
  .benefits-grid   { grid-template-columns:1fr; }
}

@media (max-width:480px) {
  .container { padding:0 16px; }
  .products-grid { grid-template-columns:1fr; }
  h1 { font-size:2rem; }
  .btn-lg { padding:16px 24px; }
}

/* ===== UTILITIES ===== */
.text-center { text-align:center; }
.text-accent { color:var(--accent); }
.mt-8  { margin-top:8px; }  .mt-16 { margin-top:16px; }
.mt-24 { margin-top:24px; } .mt-32 { margin-top:32px; }
.mt-48 { margin-top:48px; }
.mb-8  { margin-bottom:8px; }  .mb-16 { margin-bottom:16px; }
.mb-24 { margin-bottom:24px; } .mb-32 { margin-bottom:32px; }
.mb-48 { margin-bottom:48px; }
.d-flex { display:flex; }
.align-center { align-items:center; }
.gap-16 { gap:16px; }
.justify-center { justify-content:center; }