/* ==========================================================================
   EssBattery — 储能电池 OEM 工厂品牌站主题样式
   设计语言：深海军蓝 + 青绿点缀，大留白，工业高级感
   移动优先，三端响应式
   ========================================================================== */

:root {
	--ess-primary: #0a2540;      /* 深海军蓝 — 主色/按钮 */
	--ess-primary-dark: #071a2e; /* 更深蓝 — hover/深色区块 */
	--ess-accent: #00bfa6;       /* 青绿 — 强调/CTA */
	--ess-accent-dark: #00a892;  /* 深青绿 — hover */
	--ess-ink: #0b2545;          /* 标题文字色 */
	--ess-ink-soft: #34475c;     /* 正文 */
	--ess-muted: #5b6b7c;        /* 次要文字 */
	--ess-bg: #ffffff;
	--ess-bg-alt: #f4f7fa;       /* 浅灰蓝区块 */
	--ess-bg-dark: #071a2e;      /* 深色区块 */
	--ess-border: #e3e9f0;
	--ess-radius: 16px;
	--ess-radius-sm: 10px;
	--ess-shadow: 0 10px 30px rgba(10, 37, 64, 0.08);
	--ess-shadow-lg: 0 24px 60px rgba(10, 37, 64, 0.16);
	--ess-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
	--ess-container: 1200px;
	--ess-header-h: 88px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
	margin: 0;
	font-family: var(--ess-font);
	font-size: 16px;
	line-height: 1.7;
	color: var(--ess-ink-soft);
	background: var(--ess-bg);
	-webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--ess-primary); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--ess-accent-dark); }
h1, h2, h3, h4, h5, h6 { color: var(--ess-ink); line-height: 1.2; margin: 0 0 .5em; font-weight: 600; letter-spacing: -0.01em; }
p { margin: 0 0 1em; }
ul, ol { margin: 0 0 1em; padding-left: 1.25em; }
button { font-family: inherit; cursor: pointer; }

/* ---------- Layout ---------- */
.ess-container { width: 100%; max-width: var(--ess-container); margin: 0 auto; padding: 0 24px; }
.ess-container--narrow { max-width: 880px; }
.ess-main { min-height: 60vh; }
.ess-section { padding: 96px 0; }
.ess-section--alt { background: var(--ess-bg-alt); }
.ess-section__head { text-align: center; max-width: 760px; margin: 0 auto 56px; }
.ess-section__title { font-size: clamp(1.6rem, 2.6vw, 2rem); margin-bottom: .25em; }
.ess-section__title--left { text-align: left; }
.ess-section__sub { color: var(--ess-muted); font-size: 1.05rem; }
.ess-empty { text-align: center; color: var(--ess-muted); padding: 40px 0; }

/* Eyebrow — 区块上方的小标题 */
.ess-eyebrow {
	display: inline-block; color: var(--ess-accent-dark); font-weight: 700;
	font-size: .8rem; letter-spacing: 2px; text-transform: uppercase; margin: 0 0 12px;
}

/* ---------- Skip link ---------- */
.ess-skip-link { position: absolute; left: -9999px; top: 0; background: var(--ess-primary); color: #fff; padding: 10px 16px; z-index: 9999; border-radius: 0 0 8px 0; }
.ess-skip-link:focus { left: 0; color: #fff; }

/* ---------- Buttons ---------- */
.ess-btn {
	display: inline-flex; align-items: center; justify-content: center; gap: 8px;
	padding: 13px 28px; border-radius: var(--ess-radius-sm);
	font-weight: 700; font-size: .95rem; line-height: 1.2;
	border: 2px solid transparent; cursor: pointer; transition: all .25s ease;
	text-align: center;
}
.ess-btn--sm { padding: 8px 16px; font-size: .85rem; }
.ess-btn--lg { padding: 16px 34px; font-size: 1rem; }
.ess-btn--block { width: 100%; }
.ess-btn--primary { background: var(--ess-primary); color: #fff; }
.ess-btn--primary:hover { background: var(--ess-accent); color: #fff; transform: translateY(-2px); box-shadow: var(--ess-shadow); }
.ess-btn--accent { background: var(--ess-accent); color: #fff; }
.ess-btn--accent:hover { background: var(--ess-accent-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 14px 30px rgba(0, 191, 166, .35); }
.ess-btn--navy {
	background: linear-gradient(135deg, #10395f 0%, #0a2540 100%);
	color: #fff;
	box-shadow: 0 6px 18px rgba(7, 26, 46, .35);
}
.ess-btn--navy:hover { color: #fff; transform: translateY(-2px); box-shadow: 0 14px 30px rgba(7, 26, 46, .45); filter: brightness(1.12); }
.ess-btn--outline { background: #fff; color: var(--ess-primary); border-color: var(--ess-primary); }
.ess-btn--outline:hover { background: var(--ess-primary); color: #fff; }
.ess-btn--ghost { background: rgba(255,255,255,.08); color: #fff; border-color: rgba(255,255,255,.55); backdrop-filter: blur(4px); }
.ess-btn--ghost:hover { background: #fff; color: var(--ess-ink); }
.ess-link-more { font-weight: 700; font-size: .95rem; }

/* ---------- Header (teal variant) ---------- */
.ess-header {
	position: sticky; top: 0; z-index: 100;
	background: rgba(0, 191, 166, .97); backdrop-filter: blur(12px);
	border-bottom: 1px solid rgba(255,255,255,.15); height: var(--ess-header-h);
}
.ess-header__inner { display: flex; align-items: center; gap: 24px; height: 100%; }
.ess-header__brand { flex-shrink: 0; }
.ess-header__brand img { max-height: 46px; width: auto; }
.ess-brand-text { font-size: 1.35rem; font-weight: 700; color: #fff; }
.ess-brand-text b { color: #064e46; }
.ess-nav { flex: 1; display: flex; justify-content: center; padding-left: 0; }
.ess-nav__menu { display: flex; align-items: center; gap: 2px; list-style: none; margin: 0; padding: 0; }
.ess-nav__menu > li { position: relative; white-space: nowrap; }
.ess-nav__menu a {
	display: block; padding: 10px 14px; color: rgba(255,255,255,.92);
	font-weight: 700; font-size: .95rem; letter-spacing: .6px; text-transform: uppercase;
	border-radius: var(--ess-radius-sm); white-space: nowrap;
}
.ess-nav__menu a:hover { color: #fff; background: rgba(255,255,255,.16); }
.ess-nav__menu li.current-menu-item > a { color: #fff; background: rgba(255,255,255,.2); }
.ess-nav__menu .sub-menu {
	position: absolute; top: 100%; left: 0; min-width: 220px;
	background: #fff; border-radius: var(--ess-radius-sm);
	box-shadow: var(--ess-shadow-lg); padding: 8px; list-style: none; margin: 0;
	opacity: 0; visibility: hidden; transform: translateY(8px); transition: all .2s ease; z-index: 10;
}
.ess-nav__menu .sub-menu a { color: var(--ess-ink-soft); }
.ess-nav__menu .sub-menu a:hover { color: var(--ess-accent-dark); background: var(--ess-bg-alt); }
.ess-nav__menu li:hover > .sub-menu { opacity: 1; visibility: visible; transform: translateY(0); }

.ess-header__actions { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.ess-header__cta { display: inline-flex; }

/* Header icon buttons (search / account / cart) */
.ess-header__icons { display: flex; align-items: center; gap: 2px; }
.ess-icon-btn {
	display: inline-flex; align-items: center; justify-content: center;
	width: 38px; height: 38px; border-radius: 50%;
	color: #fff; background: none; border: none; cursor: pointer;
	transition: background .2s ease, transform .2s ease;
}
.ess-icon-btn:hover { background: rgba(255,255,255,.18); color: #fff; transform: translateY(-1px); }
.ess-icon-btn svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

/* Expandable search bar */
.ess-search-bar {
	display: none; position: absolute; top: 100%; left: 0; right: 0;
	background: #fff; border-bottom: 1px solid var(--ess-border);
	box-shadow: var(--ess-shadow-lg); padding: 16px 0;
}
.ess-search-bar.is-open { display: block; animation: ess-fade-down .22s ease; }
.ess-search-bar form { display: flex; gap: 10px; max-width: 720px; margin: 0 auto; padding: 0 24px; }
.ess-search-bar input[type="search"] {
	flex: 1; padding: 12px 16px; border: 1px solid var(--ess-border);
	border-radius: var(--ess-radius-sm); font-family: inherit; font-size: .95rem;
}
.ess-search-bar input[type="search"]:focus { outline: none; border-color: var(--ess-accent); box-shadow: 0 0 0 3px rgba(0,191,166,.15); }
@keyframes ess-fade-down {
	from { opacity: 0; transform: translateY(-8px); }
	to { opacity: 1; transform: translateY(0); }
}

.ess-lang-switcher ul { display: flex; list-style: none; margin: 0; padding: 0; gap: 4px; }
.ess-lang-switcher a { padding: 6px 10px; font-size: .85rem; font-weight: 600; color: #fff; border-radius: 6px; border: 1px solid rgba(255,255,255,.55); }
.ess-lang-switcher a:hover { color: #fff; border-color: #fff; background: rgba(255,255,255,.14); }
.ess-lang-switcher .current-lang a { background: #fff; color: var(--ess-accent-dark); border-color: #fff; }

.ess-nav-toggle { display: none; background: none; border: none; padding: 8px; }
.ess-nav-toggle span { display: block; width: 22px; height: 2px; background: #fff; margin: 5px 0; transition: all .25s ease; }
.ess-nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.ess-nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.ess-nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- HERO ---------- */
.ess-hero { position: relative; color: #fff; background: var(--ess-bg-dark); }
.ess-hero__media { position: absolute; inset: 0; overflow: hidden; }
.ess-hero__media img { width: 100%; height: 100%; object-fit: cover; }
.ess-hero__fallback {
	width: 100%; height: 100%;
	background:
		radial-gradient(1200px 600px at 80% -10%, rgba(0,191,166,.28), transparent 60%),
		radial-gradient(900px 500px at 10% 110%, rgba(11,95,255,.35), transparent 55%),
		var(--ess-bg-dark);
}
.ess-hero__overlay {
	position: absolute; inset: 0;
	background: linear-gradient(105deg, rgba(7,26,46,.92) 0%, rgba(7,26,46,.72) 45%, rgba(7,26,46,.38) 100%);
}
.ess-hero__inner { position: relative; z-index: 1; padding: 140px 24px; }
.ess-hero__content { max-width: 720px; }
.ess-hero__eyebrow { color: var(--ess-accent); font-weight: 700; letter-spacing: 2px; text-transform: uppercase; font-size: .85rem; margin-bottom: 18px; }
.ess-hero__title { font-size: clamp(2rem, 4.2vw, 3.2rem); font-weight: 600; color: #fff; margin-bottom: 22px; line-height: 1.1; }
.ess-hero__subtitle { font-size: clamp(1.05rem, 1.8vw, 1.25rem); color: rgba(255,255,255,.82); margin-bottom: 36px; max-width: 560px; }
.ess-hero__actions { display: flex; gap: 14px; flex-wrap: wrap; }

.ess-hero__trust { position: relative; z-index: 1; border-top: 1px solid rgba(255,255,255,.16); background: rgba(7,26,46,.5); backdrop-filter: blur(6px); }
.ess-hero__trust-inner { display: flex; justify-content: space-between; gap: 16px; padding: 18px 24px; }
.ess-hero__trust-inner span { font-size: .85rem; font-weight: 600; letter-spacing: .5px; color: rgba(255,255,255,.85); white-space: nowrap; }

/* ---------- STATS ---------- */
.ess-stats { background: var(--ess-primary); color: #fff; padding: 0; }
.ess-stats__grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.ess-stats__item { text-align: center; padding: 44px 20px; border-right: 1px solid rgba(255,255,255,.12); }
.ess-stats__item:last-child { border-right: none; }
.ess-stats__num { display: block; font-size: clamp(2.2rem, 4vw, 3.2rem); font-weight: 600; color: var(--ess-accent); line-height: 1.1; }
.ess-stats__label { font-size: .9rem; opacity: .85; }

/* ---------- ABOUT ---------- */
.ess-about__layout { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.ess-about__media { position: relative; }
.ess-about__media img { width: 100%; border-radius: var(--ess-radius); box-shadow: var(--ess-shadow-lg); }
.ess-about__placeholder { width: 100%; aspect-ratio: 4/3; border-radius: var(--ess-radius); background: linear-gradient(135deg, #e0e7ff, #ccfbf1); }
.ess-about__badge {
	position: absolute; right: -20px; bottom: -20px; background: var(--ess-primary);
	color: #fff; padding: 24px 28px; border-radius: var(--ess-radius); text-align: center;
	box-shadow: var(--ess-shadow-lg);
}
.ess-about__badge-num { display: block; font-size: 2.4rem; font-weight: 600; color: var(--ess-accent); line-height: 1; }
.ess-about__badge-label { font-size: .8rem; opacity: .9; }
.ess-about__text { font-size: 1.05rem; color: var(--ess-ink-soft); }
.ess-about__points { list-style: none; padding: 0; margin: 0 0 28px; }
.ess-about__points li { position: relative; padding-left: 30px; margin-bottom: 14px; font-weight: 500; color: var(--ess-ink); }
.ess-about__points li::before {
	content: ""; position: absolute; left: 0; top: 4px; width: 18px; height: 18px;
	background: var(--ess-accent); border-radius: 50%;
	background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
	background-size: 10px; background-position: center; background-repeat: no-repeat;
}

/* (product lines v2 styles live below under "PRODUCT LINES (square image cards)") */

/* ---------- APPLICATIONS ---------- */
.ess-apps__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.ess-app-card {
	background: #fff; border: 1px solid var(--ess-border); border-radius: var(--ess-radius);
	padding: 32px 28px; color: var(--ess-ink); transition: all .3s ease;
}
.ess-app-card:hover { border-color: var(--ess-accent); transform: translateY(-4px); box-shadow: var(--ess-shadow); color: var(--ess-ink); }
.ess-app-card__icon { display: block; width: 44px; height: 44px; border-radius: 50%; background: var(--ess-bg-alt); margin-bottom: 16px; position: relative; }
.ess-app-card__icon::after {
	content: ""; position: absolute; inset: 12px; border-radius: 50%;
	background: var(--ess-accent);
}
.ess-app-card__name { color: var(--ess-ink); font-size: 1.15rem; }
.ess-app-card__desc { margin: 0; font-size: .92rem; color: var(--ess-muted); }

/* ---------- CERTIFICATIONS ---------- */
.ess-certs__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.ess-cert-badge {
	display: flex; align-items: center; gap: 12px; background: #fff;
	border: 1px solid var(--ess-border); border-radius: var(--ess-radius-sm);
	padding: 18px 20px; transition: all .25s ease;
}
.ess-cert-badge:hover { border-color: var(--ess-accent); box-shadow: var(--ess-shadow); }
.ess-cert-badge__icon {
	width: 28px; height: 28px; border-radius: 50%; flex-shrink: 0;
	background: var(--ess-accent); color: #fff; display: flex; align-items: center; justify-content: center;
	font-size: .9rem; font-weight: 800;
}
.ess-cert-badge__name { font-weight: 700; color: var(--ess-ink); font-size: .95rem; }

/* ---------- OEM / ODM PROCESS ---------- */
.ess-oem__steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.ess-oem__step { position: relative; padding: 8px 0; }
.ess-oem__num { font-size: 2.4rem; font-weight: 600; color: var(--ess-accent); line-height: 1; display: block; margin-bottom: 12px; opacity: .9; }
.ess-oem__step h3 { font-size: 1.15rem; margin-bottom: 8px; }
.ess-oem__step p { margin: 0; font-size: .92rem; color: var(--ess-muted); }

/* ---------- FLAGSHIP ---------- */
.ess-flagship__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.ess-flagship__more { text-align: center; margin-top: 40px; }

/* ---------- NEWS ---------- */
.ess-news__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.ess-news-card { background: #fff; border: 1px solid var(--ess-border); border-radius: var(--ess-radius); overflow: hidden; transition: all .3s ease; }
.ess-news-card:hover { transform: translateY(-4px); box-shadow: var(--ess-shadow-lg); }
.ess-news-card__media { display: block; aspect-ratio: 16/9; overflow: hidden; }
.ess-news-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.ess-news-card:hover .ess-news-card__media img { transform: scale(1.05); }
.ess-news-card__body { padding: 22px 24px; }
.ess-news-card__date { font-size: .82rem; color: var(--ess-muted); }
.ess-news-card__title { font-size: 1.1rem; margin: 8px 0 14px; }
.ess-news-card__title a { color: var(--ess-ink); }
.ess-news-card__title a:hover { color: var(--ess-accent-dark); }

/* ---------- Product card (shared: flagship / archive) ---------- */
.ess-product-card {
	background: #fff; border: 1px solid var(--ess-border); border-radius: var(--ess-radius);
	overflow: hidden; display: flex; flex-direction: column; transition: all .3s ease;
}
.ess-product-card:hover { transform: translateY(-6px); box-shadow: var(--ess-shadow-lg); }
.ess-product-card__media { aspect-ratio: 1 / 1; overflow: hidden; background: var(--ess-bg-alt); }
.ess-product-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.ess-product-card:hover .ess-product-card__media img { transform: scale(1.05); }
.ess-product-card__placeholder { width: 100%; height: 100%; background: linear-gradient(135deg, #e0e7ff, #ccfbf1); }
.ess-product-card__body { padding: 20px 22px; display: flex; flex-direction: column; gap: 12px; flex: 1; }
.ess-product-card__title { font-size: 1.05rem; margin: 0; }
.ess-product-card__title a { color: var(--ess-ink); }
.ess-product-card__title a:hover { color: var(--ess-accent-dark); }
.ess-product-card__stats { display: flex; flex-wrap: wrap; gap: 8px 16px; }
.ess-stat { display: flex; flex-direction: column; }
.ess-stat__label { font-size: .72rem; color: var(--ess-muted); text-transform: uppercase; letter-spacing: .5px; }
.ess-stat__value { font-weight: 700; color: var(--ess-ink); font-size: .9rem; }
.ess-product-card .ess-btn { margin-top: auto; align-self: flex-start; }

/* ---------- FAQ ---------- */
.ess-faq { border-top: 1px solid var(--ess-border); }
.ess-faq__item { border-bottom: 1px solid var(--ess-border); }
.ess-faq__q {
	width: 100%; background: none; border: none; text-align: left;
	padding: 20px 8px; font-size: 1.05rem; font-weight: 700; color: var(--ess-ink);
	display: flex; justify-content: space-between; align-items: center; gap: 16px;
}
.ess-faq__icon { position: relative; width: 16px; height: 16px; flex-shrink: 0; }
.ess-faq__icon::before, .ess-faq__icon::after { content: ""; position: absolute; background: var(--ess-accent); transition: transform .25s ease; }
.ess-faq__icon::before { top: 7px; left: 0; width: 16px; height: 2px; }
.ess-faq__icon::after { top: 0; left: 7px; width: 2px; height: 16px; }
.ess-faq__q[aria-expanded="true"] .ess-faq__icon::after { transform: rotate(90deg); }
.ess-faq__a { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.ess-faq__a p { padding: 0 8px 20px; margin: 0; }

/* ---------- Breadcrumbs ---------- */
.ess-breadcrumbs { padding: 16px 0; font-size: .85rem; color: var(--ess-muted); }
.ess-breadcrumbs ol { list-style: none; display: flex; flex-wrap: wrap; gap: 6px; margin: 0; padding: 0; }
.ess-breadcrumbs li + li::before { content: "/"; margin-right: 6px; color: var(--ess-muted); }
.ess-breadcrumbs a { color: var(--ess-muted); }
.ess-breadcrumbs a:hover { color: var(--ess-primary); }
.ess-breadcrumbs [aria-current="page"] { color: var(--ess-ink); font-weight: 700; }

/* ---------- Page head ---------- */
.ess-page-head { padding: 32px 0 12px; }
.ess-page-head__title { font-size: 2rem; }
.ess-page-head__desc { color: var(--ess-muted); max-width: 760px; }

/* ---------- Single product ---------- */
.ess-product__layout { display: grid; grid-template-columns: 1fr 1fr; gap: 44px; padding: 24px 0 40px; }
.ess-gallery__main { border: 1px solid var(--ess-border); border-radius: var(--ess-radius); overflow: hidden; background: #fff; }
.ess-gallery__main img { width: 100%; height: auto; }
.ess-gallery__placeholder { width: 100%; aspect-ratio: 1/1; background: linear-gradient(135deg, #e0e7ff, #ccfbf1); }
.ess-gallery__thumbs { display: flex; gap: 10px; margin-top: 12px; }
.ess-gallery__thumb { width: 76px; height: 76px; border: 2px solid var(--ess-border); border-radius: var(--ess-radius-sm); overflow: hidden; padding: 0; background: #fff; }
.ess-gallery__thumb.is-active { border-color: var(--ess-accent); }
.ess-gallery__thumb img { width: 100%; height: 100%; object-fit: cover; }

.ess-product__title { font-size: 1.7rem; }
.ess-product__stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin: 20px 0; }
.ess-stat-box { background: var(--ess-bg-alt); border-radius: var(--ess-radius-sm); padding: 14px 16px; }
.ess-stat-box__value { display: block; font-weight: 700; color: var(--ess-primary); font-size: 1.1rem; }
.ess-stat-box__label { font-size: .8rem; color: var(--ess-muted); }
.ess-product__meta { border: 1px solid var(--ess-border); border-radius: var(--ess-radius-sm); padding: 16px; margin-bottom: 16px; }
.ess-product__meta p { margin: 0 0 8px; }
.ess-product__meta p:last-child { margin: 0; }
.ess-product__certs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.ess-cert { background: #ecfdf5; color: var(--ess-accent-dark); border: 1px solid #a7f3d0; padding: 4px 12px; border-radius: 999px; font-size: .8rem; font-weight: 600; }

.ess-product__details { padding: 20px 0 60px; }
.ess-product__desc h2, .ess-product__specs h2 { font-size: 1.4rem; margin-bottom: 18px; }

.ess-spec-table { width: 100%; border-collapse: collapse; font-size: .95rem; }
.ess-spec-table th, .ess-spec-table td { text-align: left; padding: 12px 16px; border: 1px solid var(--ess-border); }
.ess-spec-table th { background: var(--ess-bg-alt); color: var(--ess-ink); width: 34%; font-weight: 600; }
.ess-spec-table tr:nth-child(even) td { background: #fbfcfe; }

/* ---------- Inquiry ---------- */
.ess-inquiry { background: linear-gradient(135deg, var(--ess-bg-dark), var(--ess-primary-dark)); color: #fff; }
.ess-inquiry__layout { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.ess-inquiry__title { color: #fff; font-size: clamp(1.5rem, 2.6vw, 2rem); }
.ess-inquiry__desc { color: rgba(255,255,255,.8); }
.ess-inquiry__points { list-style: none; padding: 0; margin: 0; }
.ess-inquiry__points li { position: relative; padding-left: 28px; margin-bottom: 12px; color: rgba(255,255,255,.9); font-weight: 500; }
.ess-inquiry__points li::before {
	content: ""; position: absolute; left: 0; top: 4px; width: 18px; height: 18px;
	background: var(--ess-accent); border-radius: 50%;
	background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
	background-size: 10px; background-position: center; background-repeat: no-repeat;
}

.ess-inquiry-form { background: #fff; border-radius: var(--ess-radius); padding: 32px; box-shadow: var(--ess-shadow-lg); color: var(--ess-ink-soft); }
.ess-hp { position: absolute; left: -9999px; height: 0; overflow: hidden; }
.ess-form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.ess-field { margin: 0; }
.ess-field-full { grid-column: 1 / -1; }
.ess-field label { display: block; font-weight: 600; color: var(--ess-ink); margin-bottom: 6px; font-size: .9rem; }
.ess-field input, .ess-field textarea {
	width: 100%; padding: 12px 14px; border: 1px solid var(--ess-border);
	border-radius: var(--ess-radius-sm); font-family: inherit; font-size: .95rem;
	background: #fff; transition: border-color .2s ease;
}
.ess-field input:focus, .ess-field textarea:focus { outline: none; border-color: var(--ess-accent); box-shadow: 0 0 0 3px rgba(0, 191, 166, .15); }
.ess-form-submit { margin: 20px 0 0; }
.ess-notice { padding: 12px 16px; border-radius: var(--ess-radius-sm); margin: 16px 0 0; font-weight: 500; }
.ess-notice-success { background: #ecfdf5; color: var(--ess-accent-dark); border: 1px solid #a7f3d0; }
.ess-notice-error { background: #fef2f2; color: #b91c1c; border: 1px solid #fecaca; }

/* ---------- WYSIWYG ---------- */
.ess-wysiwyg { line-height: 1.8; }
.ess-wysiwyg h2 { margin-top: 1.4em; }
.ess-wysiwyg img { border-radius: var(--ess-radius-sm); }
.ess-wysiwyg table { border-collapse: collapse; width: 100%; }
.ess-wysiwyg table td, .ess-wysiwyg table th { border: 1px solid var(--ess-border); padding: 10px; }

/* ---------- Posts / single ---------- */
.ess-post-list { display: grid; gap: 28px; }
.ess-post-card { border: 1px solid var(--ess-border); border-radius: var(--ess-radius); padding: 24px; }
.ess-post-card__media { display: block; margin-bottom: 16px; border-radius: var(--ess-radius-sm); overflow: hidden; }
.ess-post-card__title { font-size: 1.3rem; }
.ess-post-card__meta { font-size: .85rem; color: var(--ess-muted); margin-bottom: 8px; }
.ess-post-card__excerpt { color: var(--ess-ink-soft); }
.ess-single__head { padding: 24px 0 8px; }
.ess-single__title { font-size: 2rem; }
.ess-single__meta { color: var(--ess-muted); font-size: .9rem; }
.ess-single__thumb { margin: 16px 0; border-radius: var(--ess-radius); overflow: hidden; }

/* ---------- Pagination ---------- */
.navigation.pagination { padding: 32px 0; }
.nav-links { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; }
.nav-links .page-numbers {
	display: inline-flex; align-items: center; justify-content: center; min-width: 40px; height: 40px;
	padding: 0 12px; border: 1px solid var(--ess-border); border-radius: var(--ess-radius-sm);
	color: var(--ess-ink-soft); font-weight: 600;
}
.nav-links .page-numbers.current { background: var(--ess-primary); color: #fff; border-color: var(--ess-primary); }
.nav-links a.page-numbers:hover { border-color: var(--ess-accent); color: var(--ess-accent-dark); }

/* ---------- 404 ---------- */
.ess-404 { text-align: center; padding: 80px 0; }
.ess-404__code { font-size: 6rem; color: var(--ess-primary); margin: 0; }
.ess-404__text { font-size: 1.2rem; margin-bottom: 24px; }

/* ---------- Footer ---------- */
.ess-footer { background: var(--ess-bg-dark); color: rgba(255,255,255,.72); padding: 68px 0 24px; }
.ess-footer a { color: rgba(255,255,255,.72); }
.ess-footer a:hover { color: var(--ess-accent); }
.ess-footer__grid { display: grid; grid-template-columns: 2fr 1fr 1.4fr; gap: 36px; }
.ess-footer__desc { margin: 14px 0; font-size: .92rem; }
.ess-footer .ess-brand-text b { color: var(--ess-accent); }
.ess-footer__title { color: #fff; font-size: 1.05rem; margin-bottom: 16px; }
.ess-footer__menu, .ess-footer__contact { list-style: none; margin: 0; padding: 0; }
.ess-footer__menu li, .ess-footer__contact li { margin-bottom: 10px; font-size: .92rem; }
.ess-footer__social { display: flex; gap: 10px; flex-wrap: wrap; }
.ess-footer__bottom { margin-top: 44px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.12); text-align: center; font-size: .85rem; }
.ess-footer__bottom p { margin: 0; }
.ess-footer .custom-logo { max-height: 44px; width: auto; }

/* ---------- HERO SLIDER (v2) ---------- */
.ess-hero { height: 92dvh; min-height: 620px; }
.ess-hero__stage { position: absolute; inset: 0; }
.ess-hero-slide { position: absolute; inset: 0; opacity: 0; transition: opacity 1s ease; pointer-events: none; }
.ess-hero-slide.is-active { opacity: 1; pointer-events: auto; }
.ess-hero-slide__bg { position: absolute; inset: 0; overflow: hidden; }
.ess-hero-slide__bg img { width: 100%; height: 100%; object-fit: cover; }
.ess-hero-slide__overlay {
	position: absolute; inset: 0;
	background: linear-gradient(105deg, rgba(7,26,46,.92) 0%, rgba(7,26,46,.72) 45%, rgba(7,26,46,.38) 100%);
}
.ess-hero-slide__content {
	position: relative; z-index: 1; height: 100%;
	display: flex; flex-direction: column; justify-content: center;
}
.ess-hero__dots {
	position: absolute; left: 50%; transform: translateX(-50%); bottom: 64px; z-index: 2;
	display: flex; gap: 10px;
}
.ess-hero__dot { width: 10px; height: 10px; border-radius: 50%; border: none; background: rgba(255,255,255,.4); padding: 0; transition: all .25s ease; }
.ess-hero__dot.is-active { background: var(--ess-accent); transform: scale(1.25); }

/* ---------- PRODUCT LINES (square image cards, 2 per row) ---------- */
.ess-lines__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.ess-line-card {
	position: relative; display: block; border-radius: var(--ess-radius);
	overflow: hidden; aspect-ratio: 1 / 1; color: #fff;
	padding: 0; border: none; background: none;
}
.ess-line-card__bg { position: absolute; inset: 0; background: linear-gradient(135deg, var(--ess-primary), var(--ess-primary-dark)); }
.ess-line-card__bg img { width: 100%; height: 100%; object-fit: cover; filter: blur(3px) brightness(.85); transform: scale(1.12); transition: all .4s ease; }
.ess-line-card:hover .ess-line-card__bg img { filter: blur(1.5px) brightness(.95); transform: scale(1.18); }
.ess-line-card__shade {
	position: absolute; inset: 0;
	background: linear-gradient(180deg, rgba(7,26,46,.15) 0%, rgba(7,26,46,.55) 55%, rgba(7,26,46,.9) 100%);
}
.ess-line-card__inner {
	position: relative; z-index: 1; height: 100%; display: flex; flex-direction: column;
	justify-content: flex-end; padding: 28px 24px;
}
.ess-line-card__name { color: #fff; font-size: 1.15rem; margin-bottom: 8px; }
.ess-line-card__desc { display: block; color: rgba(255,255,255,.85); font-size: .9rem; line-height: 1.55; }
.ess-line-card__link {
	display: inline-flex; align-items: center; gap: 8px; align-self: flex-start;
	margin-top: 16px; padding: 12px 26px;
	background: var(--ess-accent);
	border: none; border-radius: 8px;
	color: #fff; font-weight: 700; font-size: .9rem; letter-spacing: .4px;
	transition: all .25s ease;
	box-shadow: 0 8px 20px rgba(0, 191, 166, .35);
}
.ess-line-card:hover .ess-line-card__link { background: var(--ess-primary); color: #fff; box-shadow: 0 8px 22px rgba(10, 37, 64, .4); }

/* ---------- CERTIFICATIONS v2 (badges + detail) ---------- */
.ess-certs2__strip {
	display: flex; flex-wrap: nowrap; justify-content: flex-start; align-items: center;
	gap: 14px; margin-bottom: 40px; overflow-x: auto; padding: 4px 2px;
	scrollbar-width: thin; scrollbar-color: rgba(10,37,64,.25) transparent;
}
.ess-certs2__strip::-webkit-scrollbar { height: 6px; }
.ess-certs2__strip::-webkit-scrollbar-track { background: transparent; }
.ess-certs2__strip::-webkit-scrollbar-thumb { background: rgba(10,37,64,.25); border-radius: 3px; }
.ess-certs2__strip > :first-child { margin-left: auto; }
.ess-certs2__strip > :last-child { margin-right: auto; }
.ess-cert2 {
	background: #fff; border: 1px solid var(--ess-border); border-radius: var(--ess-radius-sm);
	padding: 16px 18px; display: flex; align-items: center; justify-content: center;
	flex: 0 0 auto;
	width: 118px; height: 118px; transition: all .25s ease; cursor: pointer;
}
.ess-cert2:hover { transform: translateY(-4px); box-shadow: var(--ess-shadow); }
.ess-cert2.is-active { border-color: var(--ess-accent); box-shadow: 0 0 0 3px rgba(0,191,166,.18), var(--ess-shadow); }
.ess-badge { width: 84px; height: 84px; }
.ess-certs2__detail { max-width: 720px; margin: 0 auto; text-align: center; }
.ess-certs2__name { font-size: 1.4rem; margin-bottom: 12px; }
.ess-certs2__desc { color: var(--ess-ink-soft); font-size: 1.02rem; line-height: 1.8; margin: 0; }

/* ---------- FEATURE PRODUCT (wide card) ---------- */
.ess-feature-product {
	display: grid; grid-template-columns: 1fr 1fr; gap: 44px; align-items: center;
	margin-bottom: 48px;
}
.ess-feature-product.is-flip .ess-feature-product__media { order: 2; }
.ess-feature-product__media img { width: 100%; border-radius: var(--ess-radius); box-shadow: var(--ess-shadow-lg); }
.ess-feature-product__placeholder { width: 100%; aspect-ratio: 1/1; border-radius: var(--ess-radius); background: linear-gradient(135deg, #e0e7ff, #ccfbf1); }
.ess-feature-product__title { font-size: 1.35rem; }
.ess-feature-product__title a { color: var(--ess-ink); }
.ess-feature-product__title a:hover { color: var(--ess-accent-dark); }
.ess-feature-product__stats { display: flex; flex-wrap: wrap; gap: 14px; margin: 18px 0; }
.ess-feature-stat { background: var(--ess-bg-alt); border-radius: var(--ess-radius-sm); padding: 12px 18px; }
.ess-feature-stat__value { display: block; font-weight: 700; color: var(--ess-primary); font-size: 1.05rem; }
.ess-feature-stat__label { font-size: .78rem; color: var(--ess-muted); }
.ess-feature-product__excerpt { color: var(--ess-muted); margin-bottom: 22px; }

/* ---------- ABOUT compact stats ---------- */
.ess-about__stats {
	display: grid; grid-template-columns: repeat(4, auto); gap: 12px 28px;
	justify-content: start; margin: 22px 0 30px; padding: 20px 24px;
	background: #fff; border: 1px solid var(--ess-border); border-radius: var(--ess-radius);
}
.ess-about__stat { text-align: center; }
.ess-about__stat-num { display: block; font-size: 1.3rem; font-weight: 600; color: var(--ess-primary); line-height: 1.2; }
.ess-about__stat-label { font-size: .74rem; color: var(--ess-muted); text-transform: uppercase; letter-spacing: .4px; }

/* ---------- PARTNER LOGOS ---------- */
.ess-partners { padding: 56px 0; background: linear-gradient(135deg, #e9fbf4 0%, #eef4ff 40%, #fdf0f7 70%, #fdf8ec 100%); border-top: 1px solid var(--ess-border); }
.ess-partners__heading {
	text-align: center; color: var(--ess-muted); font-weight: 700;
	font-size: .85rem; letter-spacing: 2px; text-transform: uppercase; margin-bottom: 32px;
}
.ess-partners__row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.ess-partner { display: flex; align-items: center; justify-content: center; filter: none; opacity: 1; transition: all .3s ease; }
.ess-partner:hover { transform: translateY(-4px); }
.ess-partner img { max-height: 60px; width: auto; }
.ess-partner--text {
	display: flex; align-items: center; justify-content: center;
	padding: 12px 24px; border: 1px dashed var(--ess-border); border-radius: var(--ess-radius-sm);
	font-weight: 700; letter-spacing: 1px; color: var(--ess-muted); font-size: .95rem;
}

/* ---------- CASE STUDIES ---------- */
.ess-cases__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.ess-case-card { background: #fff; border: 1px solid var(--ess-border); border-radius: var(--ess-radius); overflow: hidden; transition: all .3s ease; }
.ess-case-card:hover { transform: translateY(-4px); box-shadow: var(--ess-shadow-lg); }
.ess-case-card__media { display: block; aspect-ratio: 16/9; overflow: hidden; }
.ess-case-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.ess-case-card:hover .ess-case-card__media img { transform: scale(1.05); }
.ess-case-card__placeholder { width: 100%; height: 100%; background: linear-gradient(135deg, #0a2540, #00bfa6); }
.ess-case-card__body { padding: 22px 24px; }
.ess-case-card__title { font-size: 1.05rem; margin: 0 0 10px; }
.ess-case-card__title a { color: var(--ess-ink); }
.ess-case-card__title a:hover { color: var(--ess-accent-dark); }
.ess-case-card__excerpt { color: var(--ess-muted); font-size: .92rem; margin-bottom: 14px; }

/* ---------- PARTNER LOGOS (brand wordmarks) ---------- */
.ess-partner--brand {
	display: flex; align-items: center; justify-content: center;
	width: 100%;
	background: #fff; border: 1px solid var(--ess-border); border-radius: var(--ess-radius-sm);
	padding: 12px 10px; min-height: 92px; opacity: 1; transition: all .3s ease;
	box-shadow: 0 2px 12px rgba(10,37,64,.05);
}
.ess-partner--brand:hover { transform: translateY(-4px); border-color: var(--ess-accent); box-shadow: 0 14px 30px rgba(0,191,166,.18); }
.ess-partner__mark { font-size: clamp(1rem, 2.2vw, 1.6rem); font-weight: 700; letter-spacing: .5px; white-space: nowrap; line-height: 1; }
.ess-partner__mark b { font-weight: 700; }
.ess-partners__note { text-align: center; color: var(--ess-muted); font-size: .85rem; margin: 24px 0 0; }

/* ---------- Social icons (brand colors) ---------- */
.ess-footer__social { display: flex; gap: 14px; flex-wrap: wrap; }
.ess-social-icon {
	display: inline-flex; align-items: center; justify-content: center;
	width: 54px; height: 54px; border-radius: 50%;
	transition: transform .25s ease, box-shadow .25s ease;
}
.ess-social-icon svg { width: 32px; height: 32px; }
.ess-social-icon:hover { transform: translateY(-3px) scale(1.06); box-shadow: 0 8px 18px rgba(10,37,64,.25); }

/* ---------- Floating WhatsApp chat ---------- */
/* Ensure the HTML `hidden` attribute always wins, so the chat panel can be closed. */
[hidden] { display: none !important; }
.ess-float { position: fixed; right: 22px; bottom: 22px; z-index: 999; display: flex; flex-direction: column; align-items: flex-end; gap: 14px; }
.ess-float__chat {
	width: 320px; max-width: calc(100vw - 40px);
	height: 380px; max-height: calc(100vh - 96px);
	display: flex; flex-direction: column;
	overflow-x: hidden; overflow-y: auto;
	scrollbar-width: thin; scrollbar-color: rgba(10,37,64,.25) transparent;
	background: #fff; border-radius: 16px; box-shadow: var(--ess-shadow-lg);
	animation: ess-float-in .25s ease;
}
.ess-float__chat::-webkit-scrollbar { width: 6px; }
.ess-float__chat::-webkit-scrollbar-track { background: transparent; }
.ess-float__chat::-webkit-scrollbar-thumb { background: rgba(10,37,64,.25); border-radius: 3px; }
.ess-float__chat-head {
	display: flex; align-items: center; gap: 12px; padding: 10px 14px;
	background: #075E54; color: #fff;
}
.ess-float__wa-avatar {
	display: inline-flex; align-items: center; justify-content: center;
	width: 38px; height: 38px; border-radius: 50%; background: #25D366; flex-shrink: 0;
}
.ess-float__wa-avatar svg { width: 22px; height: 22px; }
.ess-float__chat-meta { flex: 1; line-height: 1.3; }
.ess-float__chat-name { display: block; font-size: 1rem; color: #fff; }
.ess-float__chat-status { font-size: .75rem; color: rgba(255,255,255,.85); }
.ess-float__close { background: none; border: none; color: rgba(255,255,255,.85); font-size: 26px; line-height: 1; padding: 0 4px; cursor: pointer; }
.ess-float__close:hover { color: #fff; }

.ess-float__chat-body { background: #e5ddd5; padding: 16px 14px 8px; flex: 1; }
.ess-float__bubble {
	background: #fff; border-radius: 8px 8px 8px 2px; padding: 10px 14px;
	color: var(--ess-ink-soft); font-size: .92rem; line-height: 1.55;
	box-shadow: 0 1px 1px rgba(0,0,0,.08);
}
.ess-float__chat-time { display: block; text-align: right; font-size: .7rem; color: rgba(0,0,0,.45); padding: 4px 6px 0; }

.ess-float__chat-input { display: flex; align-items: center; gap: 8px; padding: 10px 12px; background: #f0f0f0; }
.ess-float__chat-input input {
	flex: 1; padding: 10px 14px; border: none; border-radius: 999px;
	font-family: inherit; font-size: .9rem; background: #fff;
}
.ess-float__chat-input input:focus { outline: none; box-shadow: 0 0 0 2px rgba(37,211,102,.4); }
.ess-float__chat-input button {
	display: inline-flex; align-items: center; justify-content: center;
	width: 40px; height: 40px; border-radius: 50%; border: none;
	background: #25D366; cursor: pointer; transition: background .2s ease;
}
.ess-float__chat-input button:hover { background: #1EBE5D; }
.ess-float__chat-input button svg { width: 20px; height: 20px; }

.ess-float__chat-actions { display: flex; justify-content: center; gap: 22px; padding: 12px; background: #fff; }
.ess-float__chat-actions a { font-size: .82rem; font-weight: 600; color: var(--ess-ink-soft); }
.ess-float__chat-actions a:hover { color: var(--ess-accent-dark); }

.ess-float__btn {
	position: relative; width: 60px; height: 60px; border-radius: 50%;
	border: none; background: #25D366; color: #fff; cursor: pointer;
	box-shadow: 0 12px 30px rgba(37, 211, 102, .45);
	display: flex; align-items: center; justify-content: center;
	transition: transform .25s ease, background .25s ease;
}
.ess-float__btn:hover { transform: scale(1.08); background: #1EBE5D; }
.ess-float__btn-icon { width: 30px; height: 30px; }
.ess-float__btn::after {
	content: ""; position: absolute; inset: 0; border-radius: 50%;
	border: 2px solid #25D366; animation: ess-pulse 2s ease-out infinite;
}
@keyframes ess-pulse {
	0% { transform: scale(1); opacity: .8; }
	100% { transform: scale(1.65); opacity: 0; }
}
@keyframes ess-float-in {
	from { opacity: 0; transform: translateY(12px); }
	to { opacity: 1; transform: translateY(0); }
}

/* Chat tabs */
.ess-float__tabs { position: sticky; top: 0; z-index: 5; display: flex; align-items: center; gap: 4px; background: #f0f0f0; padding: 6px; }
.ess-float__tab {
	flex: 1; display: flex; align-items: center; justify-content: center; height: 46px;
	border: none; background: none; cursor: pointer; border-radius: 12px;
	transition: all .2s ease; opacity: .45;
}
.ess-float__tab svg { width: 32px; height: 32px; }
.ess-float__tab:hover { background: rgba(0,0,0,.05); opacity: .8; }
.ess-float__tab.is-active { background: #fff; opacity: 1; box-shadow: 0 2px 8px rgba(0,0,0,.12); }
.ess-float__tab--wa { color: #25D366; }
.ess-float__tab--wechat { color: #07C160; }
.ess-float__tab--msg { color: #00bfa6; }
.ess-float__tab.is-active.ess-float__tab--wa { color: #25D366; }
.ess-float__close { background: none; border: none; font-size: 24px; line-height: 1; color: #90a4ae; padding: 0 8px; cursor: pointer; margin-left: 2px; }
.ess-float__close:hover { color: #333; }

/* Panes */
.ess-float__pane { display: none; }
.ess-float__pane.is-active { display: flex; flex-direction: column; flex: 1; min-height: 0; animation: ess-float-in .2s ease; }

/* WeChat pane */
.ess-float__chat-head--wechat { background: #07C160; }
.ess-float__chat-head--msg { background: #00bfa6; }
.ess-float__chat-body--wechat { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding: 10px 14px 12px; }
.ess-float__qr { width: 180px; height: 180px; border-radius: 12px; margin: 0 auto 8px; display: block; }
.ess-float__qr--empty {
	display: flex; align-items: center; justify-content: center;
	background: #fff; border: 2px dashed #ccc; color: #bbb; font-size: .8rem;
}
.ess-float__wechat-id { display: flex; align-items: center; justify-content: center; gap: 8px; font-size: .78rem; color: var(--ess-ink-soft); margin-bottom: 6px; }
.ess-float__copy { border: 1px solid #07C160; color: #07C160; background: #fff; border-radius: 6px; padding: 3px 10px; font-size: .72rem; font-weight: 700; cursor: pointer; }
.ess-float__copy:hover { background: #07C160; color: #fff; }
.ess-float__wechat-tip { font-size: .72rem; line-height: 1.4; color: var(--ess-muted); margin: 0; white-space: nowrap; }
@media (max-height: 640px) {
	.ess-float__qr { width: 120px; height: 120px; margin-bottom: 8px; }
	.ess-float__chat-head { padding: 10px 14px; }
	.ess-float__chat-body--wechat { padding: 10px 12px 12px; }
}

/* Message pane form */
.ess-float__msg-form { display: flex; flex-direction: column; gap: 10px; padding: 16px; background: #e5ddd5; flex: 1; min-height: 0; }
.ess-float__msg-form input, .ess-float__msg-form textarea {
	width: 100%; padding: 11px 14px; border: 1px solid var(--ess-border); border-radius: 8px;
	font-family: inherit; font-size: .9rem; background: #fff;
}
.ess-float__msg-form textarea { flex: 1; min-height: 60px; resize: none; }
.ess-float__msg-form input:focus, .ess-float__msg-form textarea:focus { outline: none; border-color: var(--ess-accent); }
.ess-float__submit { padding: 12px; border: none; border-radius: 8px; background: var(--ess-accent); color: #fff; font-weight: 700; cursor: pointer; font-size: .95rem; }
.ess-float__submit:hover { background: var(--ess-accent-dark); }

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 1024px) {
	.ess-lines__grid { grid-template-columns: repeat(2, 1fr); }
	.ess-apps__grid { grid-template-columns: repeat(2, 1fr); }
	.ess-certs__grid { grid-template-columns: repeat(3, 1fr); }
	.ess-oem__steps { grid-template-columns: repeat(2, 1fr); }
	.ess-flagship__grid { grid-template-columns: repeat(2, 1fr); }
	.ess-news__grid { grid-template-columns: repeat(2, 1fr); }
	.ess-footer__grid { grid-template-columns: 1fr 1fr; }
	.ess-partners__row { gap: 14px; }
	.ess-about__layout { gap: 48px; }
}

@media (max-width: 768px) {
	.ess-header__cta { display: none; }
	.ess-nav-toggle { display: block; }
	.ess-nav {
		position: absolute; top: var(--ess-header-h); left: 0; right: 0;
		background: var(--ess-accent-dark); border-bottom: 1px solid rgba(255,255,255,.15);
		max-height: 0; overflow: hidden; transition: max-height .3s ease; box-shadow: var(--ess-shadow-lg);
		justify-content: flex-start; flex-direction: column;
	}
	.ess-nav.is-open { max-height: calc(100dvh - var(--ess-header-h)); overflow-y: auto; }
	.ess-nav__menu { flex-direction: column; align-items: stretch; padding: 12px 20px 20px; gap: 2px; }
	.ess-nav__menu .sub-menu { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; padding-left: 16px; }
	.ess-lang-switcher { padding: 0 20px 16px; }

	.ess-hero__inner { padding: 96px 20px; }
	.ess-hero__title { font-size: 2rem; }
	.ess-hero__trust-inner { flex-wrap: wrap; gap: 10px 20px; }
	.ess-stats__grid { grid-template-columns: repeat(2, 1fr); }
	.ess-stats__item { border-right: 1px solid rgba(255,255,255,.12); border-bottom: 1px solid rgba(255,255,255,.12); }
	.ess-stats__item:nth-child(2n) { border-right: none; }
	.ess-stats__item:nth-child(n+3) { border-bottom: none; }

	.ess-section { padding: 64px 0; }
	.ess-section__title { font-size: 1.6rem; }
	.ess-about__layout { grid-template-columns: 1fr; gap: 40px; }
	.ess-about__badge { right: 12px; bottom: -16px; padding: 18px 22px; }
	.ess-lines__grid, .ess-apps__grid, .ess-certs__grid, .ess-oem__steps, .ess-flagship__grid, .ess-news__grid { grid-template-columns: 1fr; }

	.ess-product__layout { grid-template-columns: 1fr; gap: 24px; }
	.ess-product__title { font-size: 1.4rem; }
	.ess-form-grid { grid-template-columns: 1fr; }
	.ess-inquiry__layout { grid-template-columns: 1fr; gap: 36px; }
	.ess-footer__grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
	.ess-container { padding: 0 18px; }
	.ess-hero__actions { flex-direction: column; }
	.ess-hero__actions .ess-btn { width: 100%; }
	.ess-section__title { font-size: 1.5rem; }
}

/* ---------- Responsive additions (v2 blocks) ---------- */
/* Keep nav on one line on medium screens */
@media (max-width: 1280px) {
	.ess-nav { padding-left: 0; }
	.ess-nav__menu a { padding: 10px 10px; font-size: .86rem; letter-spacing: .3px; }
}

@media (max-width: 1024px) {
	.ess-lines__grid { grid-template-columns: repeat(2, 1fr); }
	.ess-cases__grid { grid-template-columns: repeat(2, 1fr); }
	.ess-certs2__strip { gap: 10px; }
	.ess-cert2 { width: 104px; height: 104px; }
	.ess-badge { width: 72px; height: 72px; }
}

@media (max-width: 768px) {
	.ess-hero { height: auto; min-height: 0; }
	.ess-hero-slide { position: relative; min-height: 78dvh; display: none; }
	.ess-hero-slide.is-active { display: flex; }
	.ess-hero-slide__content { justify-content: center; padding: 90px 0; }
	.ess-hero__dots { bottom: 24px; }

	.ess-feature-product { grid-template-columns: 1fr; gap: 24px; margin-bottom: 36px; }
	.ess-feature-product.is-flip .ess-feature-product__media { order: 0; }
	.ess-about__stats { grid-template-columns: repeat(2, 1fr); justify-content: stretch; }
	.ess-certs2__strip { gap: 8px; }
	.ess-cert2 { width: 88px; height: 88px; padding: 10px; }
	.ess-badge { width: 64px; height: 64px; }
	.ess-certs2__detail { padding: 0 8px; }
	.ess-certs2__name { font-size: 1.3rem; }
	.ess-cases__grid { grid-template-columns: 1fr; }
	.ess-lines__grid { grid-template-columns: 1fr; }
	.ess-partners__row { grid-template-columns: repeat(2, 1fr); gap: 12px; }
}