/*
Theme Name: KERNEX Auto Care
Theme URI: https://kernex.com.vn/
Author: KERNEX
Description: Giao diện KERNEX chuyển từ bản v17, hỗ trợ WooCommerce và chỉnh nội dung trong Tùy biến.
Version: 2.3.0
Requires at least: 6.6
Requires PHP: 8.1
Text Domain: kernex-auto-care
License: GPL-2.0-or-later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
*/
:root {
  --black: #05070a;
  --black-soft: #0d1117;
  --ink: #101318;
  --blue: #0878f9;
  --blue-deep: #035dc7;
  --paper: #f4f5f7;
  --white: #fff;
  --muted: #686d76;
  --line: #dfe2e7;
  --shell: min(1190px, calc(100% - 48px));
  --radius: 24px;
  --shadow: 0 24px 70px rgba(8, 16, 32, .12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background: var(--white);
  font-family: Inter, "SF Pro Display", "Segoe UI", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
body.menu-open { overflow: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
section[id], article[id] { scroll-margin-top: 78px; }
.shell { width: var(--shell); margin-inline: auto; }
.narrow-shell { width: min(820px, calc(100% - 48px)); margin-inline: auto; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: fixed; z-index: 999; top: 12px; left: 12px; padding: 10px 16px;
  color: #fff; background: var(--blue); transform: translateY(-180%);
}
.skip-link:focus { transform: translateY(0); }
.section { padding: 104px 0; }
.section-narrow { padding: 90px 0; }
.eyebrow {
  margin: 0 0 14px;
  color: var(--blue);
  font-size: .76rem;
  font-weight: 850;
  letter-spacing: .16em;
}
.eyebrow-light { color: #62adff; }
.section-title h2, .glass-heading h2, .contact-cta h2 {
  margin: 0;
  font-size: clamp(2rem, 3.6vw, 3.25rem);
  line-height: 1.08;
  letter-spacing: -.045em;
}
.section-title > p:last-child {
  max-width: 660px;
  margin: 18px auto 0;
  color: var(--muted);
  font-size: 1.05rem;
}
.section-title-center { margin-bottom: 52px; text-align: center; }
.section-title-split {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 46px;
}
.section-title-split > p {
  max-width: 440px;
  margin: 0 0 2px;
  color: var(--muted);
}
.section-title-split .section-link {
  color: var(--blue);
  font-size: .84rem;
  font-weight: 800;
}

/* Promotion and navigation */
.promo-bar {
  position: relative;
  z-index: 70;
  height: 34px;
  overflow: hidden;
  color: rgba(255,255,255,.88);
  background: #000;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.promo-track {
  display: flex;
  align-items: center;
  width: max-content;
  min-height: 34px;
  gap: 54px;
  padding-inline: 28px;
  white-space: nowrap;
  animation: promo-scroll 28s linear infinite;
}
.promo-track span { font-size: .69rem; font-weight: 750; letter-spacing: .055em; }
@keyframes promo-scroll { to { transform: translateX(-45%); } }
.site-header {
  position: sticky;
  z-index: 60;
  top: 0;
  color: #fff;
  background: rgba(3,4,6,.97);
  border-bottom: 1px solid rgba(255,255,255,.08);
  transition: box-shadow .2s ease, background .2s ease;
}
.site-header.is-scrolled { box-shadow: 0 12px 35px rgba(0,0,0,.22); background: #020304; }
.header-inner {
  display: grid;
  grid-template-columns: 176px 1fr auto;
  align-items: center;
  min-height: 78px;
  gap: 34px;
}
.brand {
  display: flex;
  align-items: center;
  width: 160px;
  height: 64px;
  overflow: hidden;
}
.brand img { width: 100%; height: 100%; object-fit: contain; }
.desktop-nav { display: flex; align-items: center; justify-content: center; gap: clamp(18px, 2.4vw, 34px); }
.desktop-nav a {
  position: relative;
  color: rgba(255,255,255,.68);
  font-size: .82rem;
  font-weight: 680;
  white-space: nowrap;
  transition: color .18s ease;
}
.desktop-nav a::after {
  position: absolute; right: 0; bottom: -28px; left: 0; height: 2px;
  background: #fff; content: ""; transform: scaleX(0); transition: transform .18s ease;
}
.desktop-nav a:hover, .desktop-nav a:focus-visible, .desktop-nav a.is-active { color: #fff; }
.desktop-nav a:hover::after, .desktop-nav a:focus-visible::after, .desktop-nav a.is-active::after { transform: scaleX(1); }
.header-tools { display: flex; align-items: center; gap: 8px; }
.search-toggle, .header-phone, .menu-toggle {
  display: grid; place-items: center; width: 40px; height: 40px;
  color: #fff; background: transparent; border: 0; cursor: pointer;
}
.search-toggle svg, .header-phone svg {
  width: 21px; height: 21px; fill: none; stroke: currentColor; stroke-width: 1.8;
}
.search-toggle:hover, .header-phone:hover { color: #65afff; }
.search-panel {
  position: absolute;
  top: 100%;
  right: 0;
  left: 0;
  padding: 0;
  overflow: hidden;
  background: #fff;
  border-bottom: 1px solid var(--line);
  box-shadow: 0 20px 50px rgba(0,0,0,.14);
  transform: translateY(-12px);
  opacity: 0;
  visibility: hidden;
  transition: .2s ease;
}
.search-panel.is-open { padding: 18px 0; transform: translateY(0); opacity: 1; visibility: visible; }
.search-panel-inner { display: grid; grid-template-columns: 1fr auto; }
.search-panel input {
  min-width: 0; min-height: 50px; padding: 0 18px;
  color: var(--ink); background: var(--paper); border: 1px solid var(--line); outline: 0;
}
.search-panel input:focus { border-color: var(--blue); }
.search-panel button {
  min-height: 50px; padding: 0 28px; color: #fff; background: var(--blue);
  border: 0; font-size: .78rem; font-weight: 800; cursor: pointer;
}
.menu-toggle, .mobile-nav { display: none; }

/* Hero */
.hero {
  position: relative;
  min-height: 670px;
  overflow: hidden;
  color: #fff;
  background:
    radial-gradient(circle at 72% 46%, rgba(0,119,255,.3), transparent 31%),
    linear-gradient(115deg, #020408 0%, #070b11 55%, #11151b 100%);
}
.hero::before {
  position: absolute; inset: 0; content: "";
  background:
    linear-gradient(110deg, transparent 0 56%, rgba(255,255,255,.04) 56.1% 56.3%, transparent 56.4%),
    repeating-linear-gradient(90deg, transparent 0 94px, rgba(255,255,255,.025) 95px);
}
.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: .92fr 1.08fr;
  align-items: center;
  min-height: 670px;
  gap: 56px;
}
.hero-copy { padding: 64px 0 92px; }
.hero-copy h1 {
  margin: 0;
  max-width: 720px;
  font-size: clamp(2.85rem, 5.2vw, 4.8rem);
  line-height: 1.02;
  letter-spacing: -.055em;
}
.hero-copy h1 em { color: #4ba3ff; font-style: normal; }
.hero-copy > p:not(.eyebrow) {
  max-width: 580px;
  margin: 28px 0 34px;
  color: rgba(255,255,255,.7);
  font-size: 1.05rem;
  line-height: 1.8;
}
.outline-button, .solid-button {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 52px; padding: 0 26px; border-radius: 999px;
  font-size: .8rem; font-weight: 820; letter-spacing: .02em; transition: .2s ease;
}
.outline-button { border: 1px solid #aeb3bc; }
.outline-button span { margin-left: 22px; }
.outline-button:hover, .outline-button:focus-visible { color: #fff; background: var(--blue); border-color: var(--blue); transform: translateY(-2px); }
.outline-button-light { border-color: rgba(255,255,255,.62); }
.hero-products { position: relative; min-height: 570px; }
.hero-orbit {
  position: absolute; border: 1px solid rgba(65,157,255,.25); border-radius: 50%;
}
.hero-orbit-one { width: 480px; height: 480px; top: 52px; left: 76px; }
.hero-orbit-two { width: 360px; height: 360px; top: 112px; left: 136px; }
.hero-product {
  position: absolute;
  margin: 0;
  overflow: hidden;
  background: #f5f6f7;
  border: 1px solid rgba(255,255,255,.16);
  box-shadow: 0 38px 80px rgba(0,0,0,.42);
}
.hero-product img { width: 100%; height: 100%; object-fit: contain; mix-blend-mode: multiply; }
.hero-product-main {
  z-index: 3; top: 42px; left: 170px; width: 318px; height: 500px;
  border-radius: 150px 150px 26px 26px;
}
.hero-product-left {
  z-index: 2; top: 222px; left: 12px; width: 250px; height: 280px;
  border-radius: 24px; transform: rotate(-6deg);
}
.hero-product-right {
  z-index: 1; top: 168px; right: -44px; width: 252px; height: 300px;
  border-radius: 24px; transform: rotate(6deg);
}
.hero-series {
  position: absolute; z-index: 4; right: 0; bottom: 34px;
  display: flex; flex-direction: column; align-items: flex-end;
}
.hero-series span { color: #55a8ff; font-size: 1.55rem; font-weight: 850; }
.hero-series strong { font-size: .65rem; letter-spacing: .22em; }
.hero-scroll {
  position: absolute; z-index: 3; bottom: 18px; left: 50%;
  display: flex; align-items: center; gap: 10px;
  color: rgba(255,255,255,.45); font-size: .62rem; font-weight: 750; letter-spacing: .15em;
  transform: translateX(-50%);
}
.hero-scroll span { width: 34px; height: 1px; background: currentColor; }

/* Intro and values */
.manifesto { text-align: center; background: #fff; }
.manifesto h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.18;
  letter-spacing: -.045em;
}
.manifesto h2 em { color: var(--blue); font-style: normal; }
.manifesto p { max-width: 760px; margin: 28px auto 0; color: var(--muted); font-size: 1.08rem; line-height: 1.85; }
.values { background: var(--paper); }
.value-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.value-card {
  position: relative;
  display: flex;
  min-height: 420px;
  padding: 28px;
  overflow: hidden;
  color: #fff;
  background: #09111d;
  border-radius: var(--radius);
  box-shadow: 0 24px 48px rgba(8,17,30,.13);
}
.value-card::before {
  position: absolute; inset: 0; content: "";
  background: radial-gradient(circle at 70% 25%, rgba(69,161,255,.6), transparent 28%), linear-gradient(145deg, transparent 40%, rgba(255,255,255,.08));
}
.value-card::after {
  position: absolute; inset: 0; content: "";
  background: repeating-linear-gradient(115deg, transparent 0 42px, rgba(255,255,255,.025) 43px);
}
.value-card-quality::before { background: radial-gradient(circle at 80% 18%, rgba(162,178,198,.55), transparent 28%), linear-gradient(145deg, #07101b, #111820); }
.value-card-simple::before { background: radial-gradient(circle at 68% 22%, rgba(0,125,255,.92), transparent 32%), linear-gradient(145deg, #030914, #0e203a); }
.value-card-trust::before { background: radial-gradient(circle at 80% 20%, rgba(216,225,236,.5), transparent 25%), linear-gradient(145deg, #090d12, #1c222a); }
.value-card > span { position: relative; z-index: 1; color: rgba(255,255,255,.45); font-size: .75rem; font-weight: 750; }
.value-card > div { position: relative; z-index: 1; align-self: end; }
.value-card h3 { margin: 0 0 12px; font-size: 1.45rem; letter-spacing: -.025em; }
.value-card p { margin: 0; color: rgba(255,255,255,.66); line-height: 1.7; }

/* Solutions */
.solutions { background: #fff; }
.solution-grid { display: grid; grid-template-columns: 1fr 1fr; grid-template-rows: repeat(2, 280px); gap: 24px; }
.solution-card {
  position: relative; display: grid; grid-template-columns: 47% 53%;
  overflow: hidden; background: #f1f3f6; border-radius: var(--radius);
  transition: transform .22s ease, box-shadow .22s ease;
}
.solution-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.solution-card-large { grid-row: span 2; grid-template-columns: 1fr; grid-template-rows: 1fr auto; }
.solution-image { min-height: 0; overflow: hidden; background: radial-gradient(circle at 50% 40%, #fff, #e5e9ef 76%); }
.solution-image img { width: 100%; height: 100%; object-fit: contain; mix-blend-mode: multiply; transition: transform .3s ease; }
.solution-card:hover .solution-image img { transform: scale(1.035); }
.solution-card-large .solution-image { min-height: 430px; }
.solution-copy { align-self: center; padding: 28px; }
.solution-card-large .solution-copy { padding: 30px 34px 34px; }
.solution-copy span { color: var(--blue); font-size: .68rem; font-weight: 850; letter-spacing: .14em; }
.solution-copy h3 { margin: 9px 0 5px; font-size: 1.45rem; line-height: 1.1; }
.solution-copy p { margin: 0; color: var(--muted); }

/* Categories */
.categories { background: var(--paper); }
.category-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.category-card {
  position: relative;
  min-height: 210px;
  overflow: hidden;
  color: #fff;
  background: #0b111a;
  border-radius: 20px;
}
.category-card::before {
  position: absolute; z-index: 1; inset: 0; content: "";
  background: linear-gradient(0deg, rgba(0,0,0,.84), rgba(0,0,0,.12) 70%);
}
.category-card img {
  width: 100%; height: 100%; object-fit: cover; object-position: center 40%;
  filter: brightness(.62) saturate(.85); transition: transform .3s ease, filter .3s ease;
}
.category-card:hover img { transform: scale(1.05); filter: brightness(.72) saturate(1); }
.category-card span, .category-card strong { position: absolute; z-index: 2; bottom: 20px; }
.category-card span {
  left: 20px; display: grid; place-items: center; width: 34px; height: 34px;
  color: #fff; background: rgba(255,255,255,.16); border: 1px solid rgba(255,255,255,.25); border-radius: 50%;
  font-size: .68rem; font-weight: 800;
}
.category-card strong { right: 20px; left: 66px; font-size: 1.05rem; line-height: 1.2; }
.category-card-wide { grid-column: span 2; }

/* Products */
.products { background: #fff; }
.product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.product-card {
  min-width: 0;
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 20px;
  transition: transform .22s ease, box-shadow .22s ease;
}
.product-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.product-media {
  position: relative;
  display: block;
  aspect-ratio: .94;
  overflow: hidden;
  background: #f3f5f7;
}
.product-media img { width: 100%; height: 100%; object-fit: contain; mix-blend-mode: multiply; transition: transform .3s ease; }
.product-card:hover .product-media img { transform: scale(1.04); }
.product-badge {
  position: absolute; z-index: 2; top: 14px; left: 14px;
  padding: 7px 10px;
  color: #fff; background: var(--blue); border-radius: 7px;
  font-size: .63rem; font-weight: 850; letter-spacing: .08em;
}
.product-badge-dark { background: #121820; }
.product-body { padding: 22px; }
.product-body > p { margin: 0 0 7px; color: var(--blue); font-size: .67rem; font-weight: 850; letter-spacing: .1em; }
.product-body h3 { margin: 0; font-size: 1.12rem; letter-spacing: -.015em; }
.product-body > span { display: block; min-height: 42px; margin: 8px 0 18px; color: var(--muted); font-size: .83rem; }
.product-body > a { color: var(--ink); font-size: .78rem; font-weight: 820; }
.product-body > a b { margin-left: 6px; color: var(--blue); }
.product-card:first-child { grid-column: span 2; }
.product-card:first-child .product-media { aspect-ratio: 2/1; }
.search-feedback {
  margin: 28px 0 0; padding: 18px 20px; color: var(--blue-deep);
  background: #edf6ff; border-radius: 12px; text-align: center; font-weight: 700;
}

/* Glass lab */
.glass-lab {
  color: #fff;
  background:
    radial-gradient(circle at 76% 22%, rgba(0,121,255,.22), transparent 26%),
    #070a0f;
}
.glass-heading { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: end; margin-bottom: 46px; }
.glass-heading .eyebrow { grid-column: 1/-1; margin-bottom: -28px; }
.glass-heading > p:last-child { margin: 0; color: rgba(255,255,255,.58); }
.glass-layout { display: grid; grid-template-columns: 1.5fr .72fr; gap: 26px; align-items: stretch; }
.product-switcher { min-width: 0; }
.product-tabs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-bottom: 1px; }
.product-tabs button {
  display: grid; grid-template-columns: auto 1fr; gap: 0 14px;
  padding: 19px 20px; color: rgba(255,255,255,.52); background: #111720;
  border: 0; text-align: left; cursor: pointer; transition: .18s ease;
}
.product-tabs button span { grid-row: span 2; color: rgba(255,255,255,.25); font-size: .65rem; }
.product-tabs button strong { font-size: .95rem; }
.product-tabs button small { font-size: .7rem; }
.product-tabs button[aria-selected="true"] { color: #fff; background: var(--blue); }
.product-tabs button[aria-selected="true"] span { color: rgba(255,255,255,.7); }
.product-panel {
  display: grid;
  grid-template-columns: .84fr 1.16fr;
  min-height: 520px;
  overflow: hidden;
  background: #10151d;
  outline: 0;
}
.panel-media { position: relative; overflow: hidden; background: #eef1f5; transition: opacity .15s ease; }
.panel-media.is-changing { opacity: .35; }
.panel-media > img { width: 100%; height: 100%; object-fit: contain; mix-blend-mode: multiply; }
.panel-placeholder {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  width: 100%; height: 100%; color: #fff;
  background: radial-gradient(circle at center, rgba(8,120,249,.38), transparent 46%), #0c121b;
}
.panel-placeholder[hidden] { display: none; }
.panel-placeholder img { width: 190px; height: 94px; object-fit: contain; }
.panel-placeholder strong { font-size: 5rem; line-height: 1; }
.panel-placeholder span { margin-top: 8px; color: #73b7ff; font-size: .75rem; font-weight: 800; letter-spacing: .2em; }
.panel-content { align-self: center; padding: clamp(30px, 4vw, 58px); }
.product-code { margin: 0 0 10px; color: #5eacff; font-size: .72rem; font-weight: 800; letter-spacing: .18em; }
.panel-content h3 { margin: 0; font-size: clamp(2rem, 3.2vw, 3.15rem); line-height: 1; letter-spacing: -.045em; }
.panel-content > p:not(.product-code) { margin: 24px 0; color: rgba(255,255,255,.62); }
.spec-grid { display: grid; grid-template-columns: 1fr 1fr; margin: 0 0 28px; border-top: 1px solid rgba(255,255,255,.12); }
.spec-grid div { padding: 17px 12px 17px 0; border-bottom: 1px solid rgba(255,255,255,.12); }
.spec-grid dt { color: rgba(255,255,255,.38); font-size: .65rem; text-transform: uppercase; }
.spec-grid dd { margin: 5px 0 0; font-size: .83rem; font-weight: 750; }
.text-link-light { color: #68b1ff; font-size: .78rem; font-weight: 820; }
.mixing-card {
  padding: 34px;
  color: var(--ink);
  background: #fff;
  border-radius: 0 22px 22px 0;
}
.mixing-index { color: var(--blue); font-size: .68rem; font-weight: 850; letter-spacing: .14em; }
.mixing-card h3 { margin: 14px 0; font-size: clamp(1.7rem, 2.4vw, 2.35rem); line-height: 1.08; letter-spacing: -.035em; }
.mixing-card > p { color: var(--muted); }
.range-heading { display: flex; justify-content: space-between; margin-top: 32px; font-size: .8rem; font-weight: 750; }
.range-heading output { color: var(--blue); }
.mixing-card input[type="range"] {
  width: 100%; height: 5px; margin: 18px 0 8px; appearance: none;
  background: linear-gradient(to right, var(--blue) 25%, #dce1e8 25%); border-radius: 999px;
}
.mixing-card input[type="range"]::-webkit-slider-thumb {
  width: 20px; height: 20px; appearance: none; background: #fff;
  border: 5px solid var(--blue); border-radius: 50%; box-shadow: 0 2px 8px rgba(0,0,0,.22);
}
.range-scale { display: flex; justify-content: space-between; color: #9ba1aa; font-size: .65rem; }
.dose-result { display: flex; align-items: end; gap: 10px; margin: 22px 0 18px; }
.dose-result span { color: var(--blue); font-size: 4rem; font-weight: 880; line-height: .9; letter-spacing: -.06em; }
.dose-result small { margin-bottom: 5px; font-size: .7rem; font-weight: 800; }
.formula { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 16px 0; border-block: 1px solid var(--line); }
.formula span { display: flex; flex-direction: column; color: var(--muted); font-size: .6rem; font-weight: 750; }
.formula strong { color: var(--ink); font-size: .9rem; }
.formula b { color: var(--blue); }
.mixing-card .mixing-note { margin: 18px 0 0; font-size: .68rem; }
.mixing-note span { color: var(--blue); font-weight: 850; }

/* Brand */
.brand-story {
  overflow: hidden;
  color: #fff;
  background: #030405;
}
.brand-story-grid { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 90px; }
.brand-story-mark { position: relative; display: grid; place-items: center; min-height: 440px; }
.brand-story-mark::before {
  position: absolute; width: 310px; height: 310px; content: "";
  background: radial-gradient(circle, rgba(10,123,249,.45), transparent 66%);
}
.brand-ring { position: absolute; width: 330px; height: 330px; border: 1px solid rgba(64,157,255,.26); border-radius: 50%; }
.brand-ring::after { position: absolute; inset: 32px; content: ""; border: 1px solid rgba(255,255,255,.1); border-radius: 50%; }
.brand-story-mark img { position: relative; width: 360px; height: 230px; object-fit: contain; }
.brand-story-mark small { position: absolute; bottom: 32px; color: rgba(255,255,255,.36); font-size: .62rem; font-weight: 800; letter-spacing: .22em; }
.brand-story-copy h2 { margin: 0; font-size: clamp(2.4rem, 4.1vw, 4rem); line-height: 1.06; letter-spacing: -.05em; }
.brand-story-copy h2 em { color: #4ea6ff; font-style: normal; }
.brand-story-copy > p:not(.eyebrow) { margin: 28px 0; color: rgba(255,255,255,.62); font-size: 1.02rem; line-height: 1.85; }
.brand-story-copy blockquote { margin: 0; padding: 20px 0 0; color: #fff; border-top: 1px solid rgba(255,255,255,.15); font-size: .76rem; font-weight: 850; letter-spacing: .2em; }

/* Guides and contact */
.guides { background: var(--paper); }
.guide-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.guide-card { overflow: hidden; background: #fff; border-radius: 20px; }
.guide-media { aspect-ratio: 1.45; overflow: hidden; background: #e9edf2; }
.guide-media img { width: 100%; height: 100%; object-fit: cover; mix-blend-mode: multiply; transition: transform .3s ease; }
.guide-card:hover .guide-media img { transform: scale(1.04); }
.guide-card > div:last-child { padding: 24px; }
.guide-card span { color: var(--blue); font-size: .66rem; font-weight: 850; letter-spacing: .11em; }
.guide-card h3 { min-height: 68px; margin: 10px 0 20px; font-size: 1.1rem; line-height: 1.4; }
.guide-card a { font-size: .75rem; font-weight: 800; }
.contact-cta { padding: 92px 0; background: #fff; }
.contact-cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 48px; }
.contact-cta h2 { max-width: 760px; }
.contact-cta p:last-child { margin: 18px 0 0; color: var(--muted); }
.contact-cta-actions { display: flex; flex-direction: column; min-width: 220px; gap: 12px; }
.solid-button { color: #fff; background: var(--blue); }
.solid-button:hover { background: var(--blue-deep); transform: translateY(-2px); }

/* Footer */
.site-footer { padding: 72px 0 0; color: rgba(255,255,255,.58); background: #030405; }
.footer-grid { display: grid; grid-template-columns: 1.5fr .8fr .8fr 1.1fr; gap: 50px; padding-bottom: 54px; }
.footer-brand img { width: 220px; height: 130px; object-fit: contain; object-position: left center; }
.footer-brand p { max-width: 320px; margin: -4px 0 0; }
.footer-grid h2 { margin: 26px 0 18px; color: #fff; font-size: .78rem; letter-spacing: .08em; text-transform: uppercase; }
.footer-grid nav { display: flex; flex-direction: column; gap: 10px; }
.footer-grid a { font-size: .78rem; transition: color .18s ease; }
.footer-grid a:hover { color: #fff; }
.footer-bottom {
  display: flex; justify-content: space-between; padding: 20px 0;
  border-top: 1px solid rgba(255,255,255,.1); font-size: .66rem; font-weight: 700; letter-spacing: .11em;
}

/* Contact menu */
.contact-dock { position: fixed; z-index: 80; right: 24px; bottom: 24px; }
.contact-menu { display: flex; flex-direction: column; align-items: flex-end; gap: 10px; margin-bottom: 12px; pointer-events: none; }
.contact-button {
  display: flex; align-items: center; gap: 11px;
  min-width: 196px; padding: 8px 12px 8px 8px;
  color: var(--ink); background: #fff; border-radius: 999px;
  box-shadow: 0 10px 35px rgba(0,0,0,.22);
  transform: translateY(12px) scale(.92); opacity: 0; transition: .2s ease;
}
.contact-dock.is-open .contact-menu { pointer-events: auto; }
.contact-dock.is-open .contact-button { transform: translateY(0) scale(1); opacity: 1; }
.contact-dock.is-open .contact-button:nth-child(2) { transition-delay: .04s; }
.contact-dock.is-open .contact-button:nth-child(1) { transition-delay: .08s; }
.contact-icon, .contact-trigger {
  display: grid; place-items: center; width: 48px; height: 48px; flex: 0 0 auto;
  color: #fff; background: var(--blue); border-radius: 50%;
}
.contact-icon svg { width: 23px; height: 23px; fill: none; stroke: currentColor; stroke-width: 1.8; }
.contact-icon-text { font-size: .72rem; font-weight: 900; }
.contact-icon-facebook { font-family: Arial, sans-serif; font-size: 1.75rem; font-weight: 900; }
.contact-phone .contact-icon { background: #fb3148; }
.contact-facebook .contact-icon { background: #1673e8; }
.contact-button > span:last-child { display: flex; flex-direction: column; }
.contact-button strong { font-size: .77rem; }
.contact-button small { color: var(--muted); font-size: .66rem; }
.contact-trigger {
  margin-left: auto; width: 58px; height: 58px; border: 5px solid rgba(255,255,255,.85);
  box-shadow: 0 10px 32px rgba(0,93,205,.35); cursor: pointer;
}
.contact-trigger svg { width: 25px; height: 25px; fill: none; stroke: currentColor; stroke-width: 1.8; }
.contact-trigger-chat circle { fill: currentColor; stroke: none; }
.contact-trigger-close { display: none; }
.contact-dock.is-open .contact-trigger-chat { display: none; }
.contact-dock.is-open .contact-trigger-close { display: block; }

@media (max-width: 1080px) {
  .desktop-nav { gap: 18px; }
  .desktop-nav a { font-size: .74rem; }
  .header-inner { grid-template-columns: 150px 1fr auto; gap: 18px; }
  .brand { width: 145px; }
  .hero-grid { grid-template-columns: 1fr 1fr; gap: 20px; }
  .hero-product-main { left: 120px; }
  .hero-product-left { left: -20px; }
  .hero-product-right { right: -30px; }
  .hero-orbit-one { left: 28px; }
  .hero-orbit-two { left: 88px; }
  .product-grid { grid-template-columns: repeat(3, 1fr); }
  .product-card:first-child { grid-column: span 1; }
  .product-card:first-child .product-media { aspect-ratio: .94; }
  .glass-layout { grid-template-columns: 1fr; }
  .mixing-card { border-radius: 0 0 22px 22px; }
}

@media (max-width: 860px) {
  :root { --shell: min(100% - 36px, 720px); }
  .section { padding: 78px 0; }
  .promo-bar, .promo-track { height: 30px; min-height: 30px; }
  .header-inner { grid-template-columns: 46px 1fr auto; min-height: 60px; }
  .menu-toggle { display: flex; flex-direction: column; gap: 5px; }
  .menu-toggle span { width: 20px; height: 1.5px; background: currentColor; transition: .2s ease; }
  .menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }
  .brand { justify-self: center; width: 132px; height: 54px; }
  .desktop-nav { display: none; }
  .header-tools { justify-self: end; }
  .header-phone { display: none; }
  .mobile-nav {
    position: fixed; z-index: 59; top: 90px; right: 0; bottom: 0; left: 0;
    display: flex; flex-direction: column; padding: 26px 22px 40px;
    color: #fff; background: #07090d;
    transform: translateX(-100%); visibility: hidden; transition: .25s ease;
  }
  .mobile-nav.is-open { transform: translateX(0); visibility: visible; }
  .mobile-nav > a { padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,.12); font-size: 1rem; font-weight: 700; }
  .mobile-contact-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 24px; }
  .mobile-contact-row a { padding: 13px; color: #fff; background: var(--blue); border-radius: 999px; text-align: center; font-size: .76rem; font-weight: 800; }
  .hero { min-height: 820px; }
  .hero-grid { grid-template-columns: 1fr; align-content: start; min-height: 820px; }
  .hero-copy { position: relative; z-index: 4; padding: 68px 0 0; }
  .hero-copy h1 { font-size: clamp(2.5rem, 8vw, 4rem); }
  .hero-copy > p:not(.eyebrow) { max-width: 550px; }
  .hero-products { min-height: 350px; margin-top: -20px; }
  .hero-product-main { top: 0; left: 50%; width: 220px; height: 330px; transform: translateX(-50%); }
  .hero-product-left { top: 100px; left: calc(50% - 230px); width: 170px; height: 190px; }
  .hero-product-right { top: 90px; right: calc(50% - 230px); width: 170px; height: 200px; }
  .hero-orbit-one { top: -30px; left: 50%; width: 370px; height: 370px; transform: translateX(-50%); }
  .hero-orbit-two { top: 20px; left: 50%; width: 270px; height: 270px; transform: translateX(-50%); }
  .hero-series { right: 0; bottom: 18px; }
  .value-grid { grid-template-columns: 1fr; }
  .value-card { min-height: 280px; }
  .solution-grid { grid-template-columns: 1fr; grid-template-rows: 520px 250px 250px; }
  .solution-card-large { grid-row: auto; }
  .category-grid { grid-template-columns: repeat(2, 1fr); }
  .category-card-wide { grid-column: span 2; }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .glass-heading { grid-template-columns: 1fr; gap: 14px; }
  .glass-heading .eyebrow { grid-column: auto; margin-bottom: 0; }
  .product-panel { grid-template-columns: 1fr; }
  .panel-media { min-height: 420px; }
  .brand-story-grid { grid-template-columns: 1fr; gap: 26px; }
  .brand-story-mark { min-height: 330px; }
  .guide-grid { grid-template-columns: 1fr; }
  .guide-card { display: grid; grid-template-columns: 42% 58%; }
  .guide-media { aspect-ratio: auto; }
  .guide-card h3 { min-height: 0; }
  .contact-cta-inner { flex-direction: column; align-items: flex-start; }
  .contact-cta-actions { flex-direction: row; width: 100%; }
  .contact-cta-actions a { flex: 1; }
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
  .footer-grid > div:last-child { grid-column: 1/-1; }
}

@media (max-width: 560px) {
  :root { --shell: calc(100% - 28px); --radius: 18px; }
  body { font-size: 16px; }
  .section { padding: 64px 0; }
  .section-narrow { padding: 62px 0; }
  .promo-track { gap: 38px; }
  .promo-track span { font-size: .62rem; }
  .header-inner { min-height: 56px; }
  .mobile-nav { top: 86px; }
  .search-panel.is-open { padding: 12px 0; }
  .search-panel-inner { grid-template-columns: 1fr 86px; }
  .search-panel input { min-height: 44px; padding-inline: 12px; font-size: .85rem; }
  .search-panel button { min-height: 44px; padding-inline: 10px; font-size: .67rem; }
  .hero { min-height: 740px; }
  .hero-grid { min-height: 740px; }
  .hero-copy { padding-top: 52px; }
  .hero-copy h1 { font-size: clamp(2.25rem, 10.8vw, 3.1rem); line-height: 1.04; }
  .hero-copy > p:not(.eyebrow) { margin: 20px 0 25px; font-size: .94rem; line-height: 1.65; }
  .outline-button, .solid-button { min-height: 46px; padding: 0 20px; }
  .hero-products { min-height: 310px; margin-top: 6px; }
  .hero-product-main { width: 185px; height: 280px; }
  .hero-product-left { top: 104px; left: -8px; width: 132px; height: 150px; }
  .hero-product-right { top: 94px; right: -8px; width: 132px; height: 155px; }
  .hero-orbit-one { width: 320px; height: 320px; }
  .hero-orbit-two { width: 230px; height: 230px; }
  .hero-series { bottom: 0; }
  .hero-series span { font-size: 1.15rem; }
  .hero-scroll { display: none; }
  .manifesto h2 { font-size: 2rem; }
  .manifesto p { font-size: .98rem; }
  .section-title-center { margin-bottom: 34px; }
  .section-title-split { display: block; margin-bottom: 32px; }
  .section-title-split > p, .section-title-split .section-link { display: block; margin-top: 16px; }
  .section-title h2, .glass-heading h2, .contact-cta h2 { font-size: 2rem; }
  .value-card { min-height: 245px; padding: 22px; }
  .solution-grid { grid-template-rows: 470px 360px 360px; gap: 14px; }
  .solution-card { grid-template-columns: 1fr; grid-template-rows: 1fr auto; }
  .solution-card-large .solution-image { min-height: 0; }
  .solution-copy, .solution-card-large .solution-copy { padding: 21px; }
  .category-grid { gap: 12px; }
  .category-card { min-height: 160px; }
  .category-card span { left: 14px; bottom: 14px; width: 30px; height: 30px; }
  .category-card strong { right: 12px; bottom: 16px; left: 52px; font-size: .87rem; }
  .product-grid { gap: 12px; }
  .product-card { border-radius: 14px; }
  .product-media { aspect-ratio: .86; }
  .product-body { padding: 14px; }
  .product-body h3 { font-size: .95rem; line-height: 1.2; }
  .product-body > span { min-height: 52px; margin: 6px 0 12px; font-size: .72rem; line-height: 1.4; }
  .product-body > a { font-size: .68rem; }
  .product-badge { top: 9px; left: 9px; padding: 5px 7px; font-size: .55rem; }
  .product-tabs button { grid-template-columns: 1fr; gap: 2px; padding: 14px 10px; }
  .product-tabs button span { grid-row: auto; }
  .product-tabs button strong { font-size: .8rem; }
  .product-tabs button small { font-size: .58rem; }
  .panel-media { min-height: 330px; }
  .panel-content { padding: 28px 22px 34px; }
  .panel-content h3 { font-size: 2rem; }
  .spec-grid { grid-template-columns: 1fr; }
  .mixing-card { padding: 26px 22px; }
  .dose-result span { font-size: 3.4rem; }
  .brand-story-mark { min-height: 285px; }
  .brand-story-mark img { width: 270px; }
  .brand-ring { width: 260px; height: 260px; }
  .brand-story-copy h2 { font-size: 2.3rem; }
  .guide-card { display: block; }
  .guide-media { aspect-ratio: 1.55; }
  .contact-cta { padding: 66px 0; }
  .contact-cta-actions { flex-direction: column; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
  .footer-grid > div:first-child, .footer-grid > div:last-child { grid-column: 1/-1; }
  .footer-brand img { width: 190px; height: 105px; }
  .footer-bottom { flex-direction: column; gap: 8px; }
  .contact-dock { right: 14px; bottom: 14px; }
  .contact-trigger { width: 54px; height: 54px; }
  .contact-button { min-width: 185px; }
}

.concept-catalog { background: #f4f6f9; }
.concept-notice { padding: 22px; border: 1px solid #b5cbe4; border-radius: 14px; background: #e8f2ff; color: #143457; margin-bottom: 26px; }
.concept-notice strong { font-size: 1rem; }
.concept-notice p { margin: 8px 0 0; }
.concept-filters { display: flex; flex-wrap: wrap; gap: 8px; margin: 20px 0; }
.concept-filters button { padding: 12px 16px; border-radius: 24px; border: 1px solid #ccd4df; background: #fff; color: #283749; cursor: pointer; font-size: .875rem; }
.concept-filters button[aria-pressed="true"] { background: #0867f2; color: white; border-color: #0867f2; }
.concept-filters span { margin-left: 5px; opacity: .75; }
.concept-search { display: grid; grid-template-columns: auto 1fr; gap: 18px; align-items: center; max-width: 640px; }
.concept-search input { min-width: 0; padding: 12px; border: 1px solid #bac5d4; border-radius: 8px; }
.concept-count, .concept-source { color: #586779; font-size: .875rem; }
.concept-source { margin-top: 28px; }
.concept-source a { text-decoration: underline; }
.concept-grid { grid-template-columns: repeat(4,minmax(0,1fr)); }
.concept-grid .product-card:first-child { grid-column: auto; }
.concept-grid .product-media, .concept-grid .product-card:first-child .product-media { aspect-ratio: 1; background: #fff; }
.concept-grid .product-media img { object-fit: contain; mix-blend-mode: normal; }
.concept-grid .product-badge { font-size: .75rem; padding: 6px 8px; }
.concept-grid .product-body h3 { font-size: 1.125rem; }
.concept-grid .product-body > p, .concept-grid .product-body > span { font-size: .875rem; }
.concept-en { display: block; font-size: .75rem; color: #576b83; margin: 10px 0; }
.concept-grid details { border-top: 1px solid #dae0e8; padding-top: 12px; font-size: .875rem; }
.concept-grid summary { cursor: pointer; font-weight: 700; min-height: 32px; }
.concept-grid details p { margin: 12px 0 0; }
.concept-grid .concept-pair { display: flex; align-items: center; }
.concept-grid .concept-pair img { width: 50%; height: 100%; }
.concept-card[hidden], .product-card[hidden] { display: none !important; }
.concept-empty { padding: 24px; background: white; border-radius: 12px; }
@media (max-width: 860px) { .concept-grid { grid-template-columns: repeat(2,minmax(0,1fr)); } }
@media (max-width: 560px) { .concept-search { grid-template-columns: 1fr; gap: 8px; } .concept-grid { gap: 12px; } .concept-grid .product-body { padding: 12px; } .concept-filters button { padding: 10px 12px; } .concept-grid .product-badge { font-size: .75rem; top: 6px; left: 6px; } }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}