/* ============================================================
   FISHKOOL — Component Styles (BEM naming)
   Header / Nav / Buttons / Hero / Cards / Stats / Steps /
   Forms / Footer / Floating CTAs / Modal / Media placeholder
   ============================================================ */

/* ---------- Header & Navigation ---------- */

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  /* 必须高于 .nav-backdrop(150):移动端抽屉 .site-nav 是 header 的子元素,
     被困在 header 的层叠上下文内,header 层级必须 > backdrop,抽屉才能盖在
     遮罩之上可点击;同时也要高于页面内容(.hero 等 position:relative 元素
     按 DOM 顺序会画在 z-index:auto 的 header 之上,导致导航被盖住)。 */
  z-index: 200;
  height: var(--header-height);
  display: flex;
  align-items: center;
  background: transparent;
  transition: background var(--transition-base), box-shadow var(--transition-base);
}
/* 磨砂白底放在 ::before 上而非 header 本体:
   backdrop-filter 会让 header 成为 fixed 子孙的包含块,抽屉会被压缩到
   header 高度(76px 的滚动条),所以 blur 效果必须与 header 元素解耦。 */
.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow-sm);
  opacity: 0;
  transition: opacity var(--transition-base);
  pointer-events: none; /* 不拦截 header 内按钮/链接的点击 */
}
.site-header--scrolled::before { opacity: 1; }
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  min-width: 0; /* flex children may shrink — prevents mid-width overflow */
}

/* Logo (real brand logo: assets/images/logo.png) */
.logo {
  position: relative;
  display: inline-flex;
  align-items: center;
  flex-shrink: 0; /* 头部 flex 空间紧张时禁止压缩,防止品牌 logo 比例失真 */
}
.logo__img {
  display: block;
  height: 40px;
  width: auto;
}
/* Dual-mode: white version on dark hero, color version on light header.
   Both imgs are stacked; opacity toggles with header state. */
.logo__img--white {
  position: absolute;
  top: 0; left: 0;
  height: 40px;
  width: auto;
  opacity: 0;
  pointer-events: none;
}
.site-header--transparent .logo__img--white { opacity: 1; }
.site-header--transparent .logo__img--color { opacity: 0; }
/* Scrolled state overrides (header keeps --transparent in HTML, so these must
   come after and re-assert both opacities explicitly) */
.site-header--scrolled .logo__img--white { opacity: 0; }
.site-header--scrolled .logo__img--color { opacity: 1; }
.logo__img--footer { height: 36px; }

/* Desktop nav */
.site-nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}
.site-nav__link {
  position: relative;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: rgba(255,255,255,0.85);
  padding-block: var(--space-xs);
  white-space: nowrap; /* never wraps at tight widths (was causing header stretch) */
  transition: color var(--transition-fast);
}
.site-nav__link::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 2px;
  background: var(--color-accent);
  transition: width var(--transition-base);
}
.site-nav__link:hover { color: #fff; }
.site-nav__link:hover::after,
.site-nav__link.is-active::after { width: 100%; }
.site-nav__link.is-active { color: #fff; }

.site-header--scrolled .site-nav__link { color: var(--color-text-secondary); }
.site-header--scrolled .site-nav__link:hover,
.site-header--scrolled .site-nav__link.is-active { color: var(--color-primary); }

/* Header CTA */
.header-cta { display: none; }

/* Hamburger */
.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px; height: 44px;
  padding: 10px;
  border-radius: var(--radius-sm);
}
.nav-toggle__bar {
  display: block;
  width: 24px; height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}
.site-header--scrolled .nav-toggle__bar { background: var(--color-primary); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile slide-in menu */
.site-nav {
  position: fixed;
  top: 0; right: 0; bottom: 0;
  width: min(320px, 84vw);
  z-index: 200;
  background: var(--color-primary);
  padding: calc(var(--header-height-mobile) + var(--space-lg)) var(--space-xl) var(--space-xl);
  transform: translateX(100%);
  transition: transform var(--transition-base);
  overflow-y: auto;
}
.site-nav--open { transform: translateX(0); box-shadow: var(--shadow-lg); }
.site-nav__list { flex-direction: column; align-items: flex-start; gap: var(--space-xl); }
.site-nav__link { font-size: var(--font-size-lg); color: rgba(255,255,255,0.9); }
.site-nav__link.is-active { color: var(--color-accent); }
.site-nav__link.is-active::after { display: none; }
.site-nav__cta { margin-top: var(--space-2xl); flex-shrink: 0; }

.nav-backdrop {
  position: fixed;
  inset: 0;
  z-index: 150;
  background: rgba(18, 20, 23, 0.55);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}
.nav-backdrop--visible { opacity: 1; pointer-events: auto; }

/* ---------- Language switcher (i18n) ----------
   桌面:header 内紧凑下拉(≥768px 显示);移动:抽屉内平铺列表;
   页脚:底部平铺语言链接(爬虫友好冗余入口)。 */
.lang-switcher {
  position: relative;
  display: none;
  flex-shrink: 0; /* 头部 flex 空间紧张时禁止挤压,避免按钮变形/chevron 消失 */
}
/* 按钮与菜单之间的 hover 桥接:防止鼠标穿过间隙时 :hover 丢失、菜单闪烁 */
.lang-switcher::before {
  content: "";
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  height: 10px;
}
.lang-switcher__toggle {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 6px 10px;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--letter-spacing-wide);
  line-height: 1;
  white-space: nowrap;
  flex-shrink: 0;
  color: rgba(255,255,255,0.85);
  border: 1px solid rgba(255,255,255,0.35);
  border-radius: var(--radius-sm);
  background: transparent;
  transition: color var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
}
.lang-switcher__chevron {
  width: 10px;
  height: 7px;
  flex-shrink: 0;
  transition: transform var(--transition-fast);
}
.lang-switcher__toggle:hover,
.lang-switcher:focus-within .lang-switcher__toggle { color: #fff; border-color: rgba(255,255,255,0.7); background: rgba(255,255,255,0.08); }
.lang-switcher__toggle:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }
.lang-switcher:hover .lang-switcher__chevron,
.lang-switcher:focus-within .lang-switcher__chevron { transform: rotate(180deg); }
.site-header--scrolled .lang-switcher__toggle { color: var(--color-text-secondary); border-color: rgba(18,20,23,0.35); }
.site-header--scrolled .lang-switcher__toggle:hover,
.site-header--scrolled .lang-switcher:focus-within .lang-switcher__toggle { color: var(--color-primary); border-color: var(--color-primary); background: rgba(0,102,204,0.06); }

.lang-switcher__menu {
  position: absolute;
  top: calc(100% + 4px);
  right: 0;
  min-width: 150px;
  margin: 0;
  padding: var(--space-xs) 0;
  background: var(--color-white);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  list-style: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(4px);
  transition: opacity var(--transition-fast), transform var(--transition-fast), visibility var(--transition-fast);
  z-index: 300;
}
.lang-switcher:hover .lang-switcher__menu,
.lang-switcher:focus-within .lang-switcher__menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.lang-switcher__menu a {
  display: block;
  padding: 8px 16px;
  font-size: var(--font-size-sm);
  line-height: var(--line-height-normal);
  color: var(--color-text-secondary);
  white-space: nowrap;
}
.lang-switcher__menu a:hover { color: var(--color-primary); background: rgba(0,0,0,0.04); }
.lang-switcher__menu a[aria-current="page"] { color: var(--color-primary); font-weight: var(--font-weight-semibold); }

/* 移动抽屉内:平铺语言列表(随抽屉整体显隐,无需独立开关) */
.lang-switcher--drawer {
  display: block;
  margin-top: var(--space-2xl);
}
.lang-switcher--drawer .lang-switcher__title {
  display: block;
  margin-bottom: var(--space-sm);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--letter-spacing-wide);
  color: rgba(255,255,255,0.55);
  text-transform: uppercase;
}
.lang-switcher--drawer .lang-switcher__menu {
  position: static;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs) var(--space-md);
  padding: 0;
  background: transparent;
  box-shadow: none;
  opacity: 1;
  visibility: visible;
  transform: none;
}
.lang-switcher--drawer .lang-switcher__menu a {
  display: inline;
  padding: 4px 0;
  color: rgba(255,255,255,0.9);
}
.lang-switcher--drawer .lang-switcher__menu a:hover { color: var(--color-accent); background: none; }
.lang-switcher--drawer .lang-switcher__menu a[aria-current="page"] { color: var(--color-accent); }

/* 页脚底部:平铺语言链接 */
.lang-switcher--footer {
  display: block;
  margin-top: var(--space-md);
}
.lang-switcher--footer .lang-switcher__menu {
  position: static;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-xs) var(--space-lg);
  padding: 0;
  background: transparent;
  box-shadow: none;
  opacity: 1;
  visibility: visible;
  transform: none;
}
.lang-switcher--footer .lang-switcher__menu a {
  display: inline;
  padding: 0;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}
.lang-switcher--footer .lang-switcher__menu a:hover { color: var(--color-white); background: none; }
.lang-switcher--footer .lang-switcher__menu a[aria-current="page"] { color: var(--color-accent); }

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.9rem 2.1rem;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--letter-spacing-wide);
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition: all var(--transition-base);
  min-height: 48px;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  text-align: center;
}
.btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

.btn--primary {
  background: var(--color-accent);
  color: #fff;
  box-shadow: 0 6px 18px rgba(230, 27, 35, 0.32);
}
.btn--primary:hover {
  background: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(230, 27, 35, 0.38);
}

.btn--outline {
  border-color: rgba(255,255,255,0.55);
  color: #fff;
}
.btn--outline:hover {
  border-color: #fff;
  background: rgba(255,255,255,0.08);
  transform: translateY(-2px);
}

.btn--outline-dark {
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.btn--outline-dark:hover {
  background: var(--color-primary);
  color: #fff;
}

.btn--whatsapp {
  background: var(--color-whatsapp);
  color: #fff;
  box-shadow: 0 6px 18px rgba(37, 211, 102, 0.3);
}
.btn--whatsapp:hover {
  background: var(--color-whatsapp-hover);
  transform: translateY(-2px);
}

.btn--lg { padding: 1.1rem 2.6rem; font-size: var(--font-size-base); min-height: 56px; }
.btn--block { width: 100%; }

/* ---------- Hero ---------- */

.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  color: var(--color-text-inverse);
  overflow: hidden;
  /* Placeholder background — replace with real hero image */
  background:
    radial-gradient(1100px 520px at 82% 18%, rgba(0, 140, 220, 0.45) 0%, rgba(0, 60, 150, 0) 60%),
    radial-gradient(900px 460px at 8% 88%, rgba(0, 50, 130, 0.8) 0%, rgba(0, 60, 150, 0) 55%),
    linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 48%, var(--color-primary-light) 100%);
}
.hero--home {
  /* Uploaded by client: assets/images/hero/home-hero.jpg (file is actually WebP-encoded).
     TODO: client source is 500x333 — below the 1920x1080 hero spec; swap for hi-res photo.
     Dark ::after overlay (below) keeps headline readable over any photo. */
  background-color: var(--color-primary-dark);
  background-image: url('../images/hero/home-hero.jpg');
  background-position: center;
  background-size: cover;
}
.hero--pro-staff, .hero--distribution, .hero--oem {
  /* data-spec: replace with real photography per assets-needed.md */
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(18, 20, 23, 0.55) 0%, rgba(18, 20, 23, 0.25) 45%, rgba(18, 20, 23, 0.72) 100%);
  pointer-events: none;
}
.hero__inner {
  position: relative;
  z-index: 1;
  width: 100%;
  padding-block: calc(var(--header-height) + var(--space-3xl)) var(--space-3xl);
}
.hero__content { max-width: 780px; }
.hero__content--center {
  margin-inline: auto;
  text-align: center;
}

/* Two-column hero (OEM): content left, 16:9 visual right */
.hero--oem .hero__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
  align-items: center;
}
.hero__visual {
  display: block;
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 30, 80, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: #0A1220;
}
.hero__video {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}
.hero__visual-caption {
  margin: 0;
  padding: var(--space-sm) var(--space-md);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  letter-spacing: var(--letter-spacing-wide);
  text-align: center;
  color: rgba(255, 255, 255, 0.72);
  background: rgba(0, 15, 35, 0.6);
}
.hero__kicker {
  display: inline-block;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-accent);
  border: 1px solid rgba(230, 27, 35, 0.45);
  background: rgba(230, 27, 35, 0.1);
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-lg);
}
.hero__title {
  font-size: clamp(2.5rem, 7vw, var(--font-size-4xl));
  font-weight: var(--font-weight-light);
  letter-spacing: var(--letter-spacing-hero);
  line-height: var(--line-height-tight);
  margin-bottom: var(--space-lg);
}
.hero__title em {
  font-style: normal;
  color: var(--color-accent);
}
.hero__subtitle {
  font-size: clamp(1rem, 2.4vw, var(--font-size-md));
  line-height: var(--line-height-relaxed);
  color: rgba(255,255,255,0.82);
  max-width: 620px;
  margin-bottom: var(--space-xl);
}
.hero__content--center .hero__subtitle { margin-inline: auto; }
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}
.hero__content--center .hero__actions { justify-content: center; }
.hero__note {
  margin-top: var(--space-lg);
  font-size: var(--font-size-xs);
  color: rgba(255,255,255,0.5);
  letter-spacing: var(--letter-spacing-wide);
}

/* ---------- Hero factory identity badges ---------- */

.hero__identity {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2xs);
  margin-bottom: var(--space-lg);
}
.badge--factory {
  display: inline-flex;
  align-items: center;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: var(--radius-full);
  padding: 0.35rem 0.85rem;
  white-space: nowrap;
}

/* ---------- Brand narrative (home) ---------- */

.narrative__media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  /* 1200×800 spec: keep the frame fixed 3:2 so the grid row never stretches it */
  aspect-ratio: 3 / 2;
  align-self: start;
}
.narrative__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover; /* fill the frame without distortion — crops overflow instead of leaving gaps */
}
.narrative__body h2 { margin-bottom: var(--space-lg); }
.narrative__body p { margin-bottom: var(--space-md); }

/* ---------- Entry cards (home 3 business entries) ---------- */

.entry-card {
  display: flex;
  flex-direction: column;
  padding: var(--space-xl);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}
.entry-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
  border-color: transparent;
}
.entry-card__icon {
  width: 56px; height: 56px;
  display: grid;
  place-items: center;
  background: var(--color-accent-soft);
  color: var(--color-accent);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-lg);
}
.entry-card__icon svg { width: 26px; height: 26px; }
.entry-card h3 { margin-bottom: var(--space-sm); }
.entry-card p { flex: 1; margin-bottom: var(--space-lg); }
.entry-card__hint {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-sm);
}
.entry-card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-accent);
  transition: gap var(--transition-fast);
}
.entry-card__link:hover { gap: var(--space-sm); }

/* ---------- Stats / trust indicators ---------- */

.stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
}
.stat { text-align: center; }
.stat__number {
  font-size: clamp(2.2rem, 5vw, var(--font-size-3xl));
  font-weight: var(--font-weight-light);
  letter-spacing: var(--letter-spacing-wide);
  color: var(--color-primary);
  line-height: 1;
}
.stat__number sup { font-size: 0.5em; color: var(--color-accent); font-weight: var(--font-weight-semibold); }
.stat__label {
  margin-top: var(--space-sm);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  letter-spacing: var(--letter-spacing-wide);
}
.section--dark .stat__number { color: #fff; }
.section--dark .stat__label { color: rgba(255,255,255,0.6); }

/* ---------- Benefit cards (pro-staff) ---------- */

.benefit-card {
  display: flex;
  gap: var(--space-lg);
  padding: var(--space-xl);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.benefit-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.benefit-card__icon {
  flex-shrink: 0;
  width: 48px; height: 48px;
  display: grid;
  place-items: center;
  background: var(--color-accent-soft);
  color: var(--color-accent);
  border-radius: var(--radius-md);
}
.benefit-card__icon svg { width: 22px; height: 22px; }
.benefit-card h3 { margin-bottom: var(--space-xs); }

/* ---------- Numbered advantage list (distribution) ---------- */

.advantage {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-lg);
  padding: var(--space-xl);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.advantage:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.advantage__num {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-accent);
  letter-spacing: var(--letter-spacing-wide);
}
.advantage__body h3 { margin-bottom: var(--space-xs); }
.advantage__note {
  display: block;
  margin-top: var(--space-xs);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

/* ---------- Requirement cards (distribution) ---------- */

.requirement-card {
  padding: var(--space-xl);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-radius: var(--radius-lg);
}
.requirement-card__icon {
  width: 44px; height: 44px;
  display: grid;
  place-items: center;
  background: rgba(230, 27, 35, 0.18);
  color: var(--color-accent);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-lg);
}
.requirement-card__icon svg { width: 20px; height: 20px; }
.requirement-card h3 { margin-bottom: var(--space-sm); }
.requirement-card p { color: rgba(255,255,255,0.72); }

/* ---------- Capability panels (oem) ---------- */

.capability {
  padding: var(--space-xl);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}
.capability--dark {
  background: var(--color-primary);
  border-color: transparent;
}
.capability--dark h3 { color: #fff; }
.capability--dark p { color: rgba(255,255,255,0.72); }
.capability__head {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}
.capability__icon {
  width: 48px; height: 48px;
  display: grid;
  place-items: center;
  background: var(--color-accent-soft);
  color: var(--color-accent);
  border-radius: var(--radius-md);
  flex-shrink: 0;
}
.capability--dark .capability__icon { background: rgba(230, 27, 35, 0.18); }
.capability__icon svg { width: 22px; height: 22px; }
.capability__products {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}
.capability__list { margin-top: var(--space-md); }
.capability__list li {
  position: relative;
  padding-left: 1.4em;
  margin-bottom: var(--space-xs);
  color: var(--color-text-secondary);
  line-height: var(--line-height-normal);
}
.capability__list li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.55em;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
}
.capability--dark .capability__list li { color: rgba(255,255,255,0.72); }

/* ---------- Product cards (catalog preview) ---------- */

.product-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.product-card__body { padding: var(--space-md) var(--space-md) var(--space-lg); }
/* h3 for semantic product-name level (was h4); keep previous card-title look */
.product-card__body h3 { font-size: var(--font-size-base); font-weight: var(--font-weight-semibold); margin-bottom: var(--space-2xs); }
.product-card__body p { font-size: var(--font-size-xs); color: var(--color-text-muted); line-height: var(--line-height-normal); }

/* Inline key-spec chips — display only, no interaction */
.product-card__chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2xs);
  margin-top: var(--space-xs);
  margin-bottom: var(--space-2xs);
}
.product-chip {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  background: var(--color-bg-gray);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: 0.15rem 0.6rem;
  white-space: nowrap;
  pointer-events: none;
}

/* ---------- Homepage category showcase cards ---------- */

.category-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.category-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.category-card__link {
  display: block;
  color: inherit;
  text-decoration: none;
}
.category-card__media {
  background: var(--color-bg-gray);
}
.category-card__media img {
  width: 100%;
  height: auto;
  display: block;
}
.category-card__body {
  padding: var(--space-md) var(--space-md) var(--space-lg);
}
.category-card__title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-2xs);
}
.category-card__desc {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  line-height: var(--line-height-normal);
  margin-bottom: var(--space-sm);
}
.category-card__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
}
.category-card:hover .category-card__cta {
  color: var(--color-primary-hover);
}
.category-card__cta svg {
  width: 14px;
  height: 14px;
}

/* ---------- Ambassador cards (pro-staff showcase) ---------- */

.ambassador-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.ambassador-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.ambassador-card__media {
  aspect-ratio: 3 / 4;
  overflow: hidden;
}
.ambassador-card__media img,
.ambassador-card__media video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
  display: block;
}
.ambassador-card__body { padding: var(--space-lg); }
.ambassador-card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-sm);
}
.ambassador-card__meta h3 { font-size: var(--font-size-base); }
.ambassador-card__country {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  color: var(--color-accent);
}
.ambassador-card__quote {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-normal);
}

/* ---------- Process steps (oem 5-step) ---------- */

.process-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  counter-reset: step;
}
.process-step {
  position: relative;
  padding: var(--space-xl) var(--space-lg);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-align: center;
}
.process-step__num {
  width: 48px; height: 48px;
  margin: 0 auto var(--space-md);
  display: grid;
  place-items: center;
  background: var(--color-primary);
  color: #fff;
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-md);
  border-radius: 50%;
}
.process-step__icon {
  width: 24px; height: 24px;
  margin: 0 auto var(--space-md);
  color: var(--color-accent);
}
.process-step h3 { font-size: var(--font-size-base); margin-bottom: var(--space-xs); }
.process-step p { font-size: var(--font-size-sm); line-height: var(--line-height-normal); }

/* ---------- Floating CTAs ---------- */

.floating-cta {
  position: fixed;
  right: var(--space-lg);
  bottom: var(--space-lg);
  z-index: 90;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  transition: transform var(--transition-base), opacity var(--transition-base);
}
.floating-cta--hidden {
  transform: translateY(24px);
  opacity: 0;
  pointer-events: none;
}
.float-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  min-height: 52px;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: #fff;
  box-shadow: var(--shadow-lg);
  transition: transform var(--transition-base), background var(--transition-base);
  touch-action: manipulation;
}
.float-btn:hover { transform: translateY(-2px) scale(1.02); }
.float-btn svg { width: 22px; height: 22px; flex-shrink: 0; }
.float-btn--whatsapp { background: var(--color-whatsapp); }
.float-btn--whatsapp:hover { background: var(--color-whatsapp-hover); }
.float-btn--catalog { background: var(--color-accent); }
.float-btn--catalog:hover { background: var(--color-accent-hover); }
.float-btn__label { white-space: nowrap; }
@media (max-width: 767px) {
  .float-btn__label { display: none; }
  .float-btn { width: 52px; height: 52px; padding: 0; justify-content: center; }
}

/* ---------- Forms ---------- */

.form { display: grid; gap: var(--space-lg); }
.form-group { display: grid; gap: var(--space-xs); }
.form-group--required label::after {
  content: " *";
  color: var(--color-accent);
  font-weight: var(--font-weight-semibold);
}
.form-label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
}
.form-label__optional {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-regular);
  color: var(--color-text-muted);
}
.form-input,
.form-select,
.form-textarea {
  width: 100%;
  min-height: 48px;
  padding: 0.75rem 1rem;
  font-size: var(--font-size-base);
  color: var(--color-text);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  -webkit-appearance: none;
  appearance: none;
}
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}
.form-input::placeholder,
.form-textarea::placeholder { color: var(--color-text-muted); }
.form-textarea { min-height: 120px; resize: vertical; }
.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='%238A919C' stroke-width='1.6' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

/* Validation states */
.form-group.has-error .form-input,
.form-group.has-error .form-select,
.form-group.has-error .form-textarea {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px rgba(198, 40, 40, 0.08);
}
.form-error {
  display: none;
  font-size: var(--font-size-xs);
  color: var(--color-error);
  line-height: 1.4;
}
.form-group.has-error .form-error { display: block; }

/* Checkbox grid */
.checkbox-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm);
}
.checkbox-item {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: var(--font-size-sm);
  transition: border-color var(--transition-fast), background var(--transition-fast);
}
.checkbox-item:hover { border-color: var(--color-primary); }
.checkbox-item input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.checkbox-item__box {
  flex-shrink: 0;
  width: 20px; height: 20px;
  display: grid;
  place-items: center;
  border: 1.5px solid var(--color-border);
  border-radius: 4px;
  transition: all var(--transition-fast);
}
.checkbox-item__box svg {
  width: 12px; height: 12px;
  color: #fff;
  opacity: 0;
  transform: scale(0.4);
  transition: all var(--transition-fast);
}
.checkbox-item input:checked + .checkbox-item__box {
  background: var(--color-accent);
  border-color: var(--color-accent);
}
.checkbox-item input:checked + .checkbox-item__box svg { opacity: 1; transform: scale(1); }
.checkbox-item input:checked ~ .checkbox-item__label { font-weight: var(--font-weight-medium); }
.checkbox-item:has(input:checked) {
  border-color: var(--color-accent);
  background: var(--color-accent-soft);
}
.checkbox-item input:focus-visible + .checkbox-item__box {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Form success card */
.form-success {
  display: none;
  padding: var(--space-2xl);
  background: var(--color-white);
  border: 1px solid #CFE8D7;
  border-radius: var(--radius-lg);
  text-align: center;
}
.form-success.is-visible { display: block; }
.form-success__icon {
  width: 64px; height: 64px;
  margin: 0 auto var(--space-lg);
  display: grid;
  place-items: center;
  background: #E6F5EB;
  color: var(--color-success);
  border-radius: 50%;
}
.form-success__icon svg { width: 30px; height: 30px; }
.form-success h3 { margin-bottom: var(--space-sm); }
.form-success p { margin-bottom: var(--space-lg); }

/* ---------- Modal (catalog) ---------- */

.modal {
  position: fixed;
  inset: 0;
  z-index: 300;
  display: grid;
  place-items: center;
  padding: var(--space-lg);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}
.modal--open { opacity: 1; pointer-events: auto; }
.modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(18, 20, 23, 0.6);
  backdrop-filter: blur(4px);
}
.modal__dialog {
  position: relative;
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-lg);
  transform: translateY(16px);
  transition: transform var(--transition-base);
}
.modal--open .modal__dialog { transform: translateY(0); }
.modal__close {
  position: absolute;
  top: var(--space-md); right: var(--space-md);
  width: 40px; height: 40px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--color-text-muted);
  transition: background var(--transition-fast), color var(--transition-fast);
}
.modal__close:hover { background: var(--color-bg-gray); color: var(--color-text); }
.modal__close svg { width: 18px; height: 18px; }
.modal__title { font-size: var(--font-size-xl); margin-bottom: var(--space-sm); }
.modal__desc { margin-bottom: var(--space-xl); }

/* Catalog cover preview inside the modal */
.modal__cover {
  margin-bottom: var(--space-lg);
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  max-height: 240px;
  box-shadow: var(--shadow-sm);
}
.modal__cover .media-placeholder {
  min-height: auto;
  height: 100%;
  border: none;
  border-radius: 0;
}

/* ---------- Footer ---------- */

.site-footer {
  background: var(--color-bg-dark);
  color: rgba(255,255,255,0.78);
  padding-top: var(--space-3xl);
}
.site-footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
  padding-bottom: var(--space-3xl);
}
.site-footer .logo { color: #fff; }
.site-footer__slogan {
  margin: var(--space-md) 0 var(--space-lg);
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.55);
  font-style: italic;
}
.site-footer__social {
  display: flex;
  gap: var(--space-sm);
}
.social-link {
  width: 42px; height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid var(--color-border-dark);
  border-radius: 50%;
  color: rgba(255,255,255,0.8);
  transition: all var(--transition-fast);
}
.social-link:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
  transform: translateY(-2px);
}
.social-link svg { width: 18px; height: 18px; }
.site-footer h4 {
  color: #fff;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--letter-spacing-wider);
  text-transform: uppercase;
  margin-bottom: var(--space-lg);
}
.site-footer__nav li { margin-bottom: var(--space-sm); }
.site-footer__nav a {
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.72);
  transition: color var(--transition-fast), padding-left var(--transition-fast);
}
.site-footer__nav a:hover { color: var(--color-accent); padding-left: 4px; }
.site-footer__bottom {
  border-top: 1px solid var(--color-border-dark);
  padding-block: var(--space-lg);
  font-size: var(--font-size-xs);
  color: rgba(255,255,255,0.45);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  align-items: center;
  text-align: center;
}
@media (min-width: 768px) {
  .site-footer__bottom { flex-direction: row; justify-content: space-between; text-align: left; }
}

/* ---------- Media placeholder ---------- */

.media-placeholder {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 240px;
  background:
    radial-gradient(400px 200px at 70% 20%, rgba(0, 80, 160, 0.3) 0%, rgba(0, 50, 130, 0) 60%),
    linear-gradient(160deg, #E8ECF1 0%, #D8DEE6 100%);
  border: 1px dashed #B9C2CE;
  border-radius: var(--radius-md);
  overflow: hidden;
  text-align: center;
  padding: var(--space-lg);
}
.media-placeholder__icon {
  width: 48px; height: 48px;
  margin-bottom: var(--space-sm);
  color: var(--color-primary-light);
  opacity: 0.55;
}
.media-placeholder__icon svg { width: 100%; height: 100%; }
.media-placeholder__title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  letter-spacing: var(--letter-spacing-wide);
  text-transform: uppercase;
}
.media-placeholder__spec {
  margin-top: var(--space-2xs);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  line-height: var(--line-height-normal);
}
.media-placeholder img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- Factory credentials strip (testing / logistics / QC) ---------- */

.cert-strip {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  max-width: 860px;
  margin: 0 auto var(--space-2xl);
}
.cert-strip__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-lg) var(--space-md);
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-md);
  text-align: center;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: rgba(255,255,255,0.85);
}
.cert-strip__icon {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(230, 27, 35, 0.14);
  color: var(--color-accent);
}
.cert-strip__icon svg {
  width: 20px;
  height: 20px;
}

/* ---------- Product specs (expandable tables) ---------- */

.product-specs {
  margin-top: var(--space-md);
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-sm);
}
.product-specs__toggle {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--letter-spacing-wide);
  text-transform: uppercase;
  color: var(--color-accent);
  cursor: pointer;
  list-style: none; /* hide default disclosure marker */
  user-select: none;
  transition: color var(--transition-fast);
}
.product-specs__toggle::-webkit-details-marker { display: none; }
.product-specs__toggle:hover { color: var(--color-accent-hover); }
.product-specs__toggle::before {
  content: "▸";
  display: inline-block;
  transition: transform var(--transition-fast);
}
.product-specs[open] .product-specs__toggle::before { transform: rotate(90deg); }
.product-specs__table {
  width: 100%;
  margin-top: var(--space-sm);
  font-size: var(--font-size-xs);
  line-height: var(--line-height-normal);
  border-collapse: collapse;
}
.product-specs__table th,
.product-specs__table td {
  padding: var(--space-xs) var(--space-sm);
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--color-border);
}
.product-specs__table th {
  width: 38%;
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  white-space: nowrap;
}
.product-specs__table td { color: var(--color-text-secondary); }
.product-specs__table tr:last-child th,
.product-specs__table tr:last-child td { border-bottom: none; }

/* ---------- WhatsApp CTA banner ---------- */

.wa-banner {
  background: var(--color-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  text-align: center;
  color: #fff;
}
.wa-banner h2 { color: #fff; margin-bottom: var(--space-md); }
.wa-banner p { color: rgba(255,255,255,0.72); margin-bottom: var(--space-xl); }

/* ---------- Country flag list (pro-staff map) ---------- */

.flag-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-sm);
}
.flag-list li {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-md);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  transition: border-color var(--transition-fast), transform var(--transition-fast);
}
.flag-list li:hover { border-color: var(--color-accent); transform: translateY(-2px); }
.flag-list__more {
  font-style: italic;
  color: var(--color-text-muted) !important;
  border-style: dashed !important;
}

/* ---------- Form panel (standalone page forms) ---------- */

.form--panel {
  padding: var(--space-xl);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}
@media (min-width: 768px) {
  .form--panel { padding: var(--space-2xl); }
}

/* ---------- Positioning quote (oem) ---------- */

.positioning-quote { margin-top: var(--space-lg); }
.positioning-quote p { font-size: clamp(1.75rem, 4.5vw, var(--font-size-3xl)); line-height: 1.3; }
.positioning-quote__cite {
  display: block;
  margin-top: var(--space-lg);
  font-size: var(--font-size-sm);
  letter-spacing: var(--letter-spacing-wide);
  color: var(--color-text-muted);
}

/* ---------- Catalog categories (oem) ---------- */

.catalog-category {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--letter-spacing-wider);
  text-transform: uppercase;
  color: var(--color-primary);
  padding-bottom: var(--space-sm);
  margin: var(--space-2xl) 0 var(--space-lg);
  border-bottom: 2px solid var(--color-accent);
  display: inline-block;
  /* deep-link anchors (#line #lures #hooks): keep heading clear of sticky header */
  scroll-margin-top: calc(var(--header-height) + var(--space-md));
}
.catalog-note {
  margin-top: var(--space-2xl);
  padding: var(--space-xl);
  background: var(--color-bg-gray);
  border-radius: var(--radius-lg);
}
.catalog-note .lead { margin-bottom: var(--space-lg); }

/* ---------- Page hero breadcrumb ---------- */

.page-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  align-items: center;
  font-size: var(--font-size-xs);
  letter-spacing: var(--letter-spacing-wide);
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
  margin-bottom: var(--space-lg);
}
.page-breadcrumb a { color: rgba(255,255,255,0.75); transition: color var(--transition-fast); }
.page-breadcrumb a:hover { color: var(--color-accent); }