:root {
  --yellow: #ffd400;
  --red: #e51f18;
  --paper: #f5f1e8;
  --paper-deep: #e9e3d7;
  --ink: #1d2420;
  --muted: #606860;
  --green: #28503f;
  --green-dark: #17382c;
  --green-deeper: #0d281f;
  --line: #d2ccbf;
  --white: #ffffff;
  --accent: #e2b900;
  --max-width: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; font-size: 16px; line-height: 1.6; }
img { display: block; max-width: 100%; }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid var(--yellow); outline-offset: 3px; }

.skip-link { position: fixed; z-index: 100; top: 10px; left: 10px; padding: 10px 14px; color: var(--green-deeper); background: var(--yellow); font-weight: 750; transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }

.utility-bar { color: #dce7e1; background: var(--green-deeper); font-size: 0.8rem; }
.utility-inner, .header-inner, .hero-inner, .hero-facts, .section, .process-inner, .contact, .footer-grid, .footer-bottom { width: min(calc(100% - 40px), var(--max-width)); margin-inline: auto; }
.utility-inner { display: flex; min-height: 38px; align-items: center; justify-content: space-between; gap: 24px; }
.utility-inner p { margin: 0; }
.utility-dot { display: inline-block; width: 7px; height: 7px; margin-right: 9px; background: var(--yellow); border-radius: 50%; }
.utility-links { display: flex; gap: 24px; }
.utility-links a { color: inherit; text-decoration: none; }
.utility-links a:hover { color: var(--white); }

.site-header { position: relative; z-index: 20; background: var(--white); border-bottom: 1px solid rgba(29, 36, 32, 0.12); }
.header-inner { display: flex; min-height: 82px; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; align-items: center; gap: 11px; color: var(--green-deeper); font-size: 1.08rem; font-weight: 600; letter-spacing: -0.02em; text-decoration: none; }
.brand-mark { display: grid; width: 38px; height: 38px; place-items: center; color: var(--green-deeper); background: var(--yellow); border-radius: 50%; font-size: 1rem; font-weight: 850; }
.site-nav { display: flex; align-items: center; gap: 25px; }
.site-nav a { color: #3d4841; font-size: 0.88rem; font-weight: 680; text-decoration: none; }
.site-nav a:hover { color: var(--green); }
.site-nav .nav-cta { padding: 10px 15px; color: var(--white); background: var(--green); border-radius: 4px; }
.site-nav .nav-cta:hover { color: var(--white); background: var(--green-dark); }
.menu-toggle { display: none; }

.hero { position: relative; min-height: 680px; display: flex; flex-direction: column; justify-content: space-between; overflow: hidden; color: var(--white); background-image: linear-gradient(90deg, rgba(13, 40, 31, 0.96) 0%, rgba(13, 40, 31, 0.84) 43%, rgba(13, 40, 31, 0.39) 76%, rgba(13, 40, 31, 0.22) 100%), url("assets/crystal-mall-2024.jpg"); background-position: center 53%; background-size: cover; }
.hero-inner { position: relative; display: flex; min-height: 545px; padding: clamp(80px, 10vw, 120px) 0 74px; align-items: center; }
.hero-copy { max-width: 760px; }
.eyebrow { margin: 0 0 15px; color: var(--green); font-size: 0.76rem; font-weight: 800; letter-spacing: 0.14em; text-transform: uppercase; }
.eyebrow-light { color: #d8e5de; }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 760px; margin-bottom: 25px; font-size: clamp(3rem, 6.3vw, 5.5rem); font-weight: 720; letter-spacing: -0.062em; line-height: 0.98; }
h2 { margin-bottom: 16px; font-size: clamp(2.2rem, 4.2vw, 3.75rem); font-weight: 690; letter-spacing: -0.052em; line-height: 1.04; }
h3 { font-size: 1.3rem; letter-spacing: -0.025em; line-height: 1.2; }
.hero-lede { max-width: 635px; margin-bottom: 32px; color: #e4ebe7; font-size: clamp(1.05rem, 1.6vw, 1.2rem); }
.hero-actions, .contact-actions, .visit-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.button { display: inline-flex; min-height: 50px; padding: 12px 19px; align-items: center; justify-content: center; border: 1px solid transparent; border-radius: 4px; font-size: 0.92rem; font-weight: 760; line-height: 1.2; text-decoration: none; }
.button-accent { color: var(--green-deeper); background: var(--yellow); border-color: var(--yellow); }
.button-accent:hover { background: #ffe041; }
.button-ghost { color: var(--white); background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.62); }
.button-ghost:hover { background: rgba(255,255,255,0.16); }
.button-primary { color: var(--white); background: var(--green); border-color: var(--green); }
.button-primary:hover { background: var(--green-dark); }
.button-secondary { color: var(--green-dark); background: transparent; border-color: #969d97; }
.button-secondary:hover { background: rgba(255,255,255,0.52); }
.hero-background-credit { position: absolute; right: 0; bottom: 16px; margin: 0; color: rgba(255,255,255,0.68); font-size: 0.68rem; }
.hero-background-credit a { text-underline-offset: 2px; }
.hero-facts { display: grid; grid-template-columns: repeat(3, 1fr); margin-bottom: 0; background: rgba(13, 40, 31, 0.9); border-top: 1px solid rgba(255,255,255,0.18); }
.hero-facts > div { padding: 23px 28px; border-right: 1px solid rgba(255,255,255,0.16); }
.hero-facts > div:last-child { border-right: 0; }
.hero-facts strong, .hero-facts span { display: block; }
.hero-facts strong { margin-bottom: 3px; color: var(--white); font-size: 1rem; }
.hero-facts span { color: #c9d7cf; font-size: 0.82rem; }

.section { padding: 100px 0; }
.section + .section { border-top: 1px solid var(--line); }
.section-heading { margin-bottom: 48px; }
.split-heading { display: grid; grid-template-columns: minmax(280px, 1fr) minmax(280px, 0.78fr); gap: 80px; align-items: end; }
.split-heading .eyebrow { grid-column: 1; }
.split-heading h2 { margin-bottom: 0; }
.split-heading > p:last-child { margin-bottom: 5px; color: var(--muted); }
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.service-card { position: relative; min-height: 300px; padding: 34px 30px 30px; background: var(--white); border: 1px solid var(--line); box-shadow: 0 12px 32px rgba(29, 36, 32, 0.05); }
.service-card::before { position: absolute; top: 0; right: 0; left: 0; height: 4px; background: var(--green); content: ""; }
.service-card h3 { margin-bottom: 14px; font-size: 1.55rem; }
.service-card > p:not(.service-kicker) { color: var(--muted); }
.service-kicker { margin-bottom: 34px; color: var(--green); font-size: 0.76rem; font-weight: 800; letter-spacing: 0.11em; text-transform: uppercase; }
.service-card a { display: inline-block; margin-top: 14px; color: var(--green); font-size: 0.9rem; font-weight: 760; text-underline-offset: 4px; }

.compatibility { background: var(--paper-deep); }
.compatibility-heading { max-width: 760px; }
.compatibility-heading > p:last-child { max-width: 670px; color: var(--muted); }
.compatibility-layout { display: grid; grid-template-columns: 1.35fr 0.75fr; gap: 56px; align-items: stretch; }
.product-gallery { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.product-tile { overflow: hidden; margin: 0; background: var(--white); border: 1px solid #cec7ba; }
.product-image { height: 320px; overflow: hidden; background: #e8e8e5; }
.product-image img { width: 100%; height: 100%; object-fit: cover; }
.product-image-hid img { object-position: 50% 52%; transform: scale(1.06); }
.product-image-keyscan img { object-position: 50% 43%; transform: scale(1.36); }
.product-tile figcaption { min-height: 94px; padding: 19px 20px; }
.product-tile figcaption strong, .product-tile figcaption span { display: block; }
.product-tile figcaption strong { margin-bottom: 3px; }
.product-tile figcaption span { color: var(--muted); font-size: 0.84rem; }
.compatibility-list-panel { padding: 32px; color: var(--white); background: var(--green-dark); }
.compatibility-list-panel h3 { margin-bottom: 23px; }
.check-list { margin: 0; padding: 0; list-style: none; }
.check-list li { position: relative; padding: 11px 0 11px 28px; color: #dce6e0; border-top: 1px solid rgba(255,255,255,0.13); }
.check-list li::before { position: absolute; left: 2px; color: var(--yellow); content: "✓"; font-weight: 850; }
.compatibility-callout { margin-top: 24px; padding: 20px; color: var(--green-deeper); background: var(--yellow); }
.compatibility-callout p { margin: 6px 0 0; font-size: 0.88rem; }

.process { color: var(--white); background: var(--green-deeper); }
.process-inner { display: grid; grid-template-columns: 0.76fr 1.24fr; gap: 90px; padding-block: 96px; }
.process-heading p:last-child { max-width: 400px; color: #c9d7cf; }
.process-steps { margin: 0; padding: 0; list-style: none; border-top: 1px solid rgba(255,255,255,0.25); }
.process-steps li { display: grid; grid-template-columns: 58px 1fr; gap: 22px; padding: 25px 0; border-bottom: 1px solid rgba(255,255,255,0.19); }
.process-steps li > span { color: var(--yellow); font-size: 0.76rem; font-weight: 800; letter-spacing: 0.1em; }
.process-steps strong { display: block; margin-bottom: 4px; font-size: 1.1rem; }
.process-steps p { margin: 0; color: #bdccc4; }

.audience-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--ink); border-bottom: 1px solid var(--line); }
.audience-grid > div { min-height: 180px; padding: 28px 24px; border-right: 1px solid var(--line); }
.audience-grid > div:last-child { border-right: 0; }
.audience-grid strong { display: block; margin-bottom: 11px; font-size: 1.08rem; }
.audience-grid p { margin: 0; color: var(--muted); font-size: 0.92rem; }
.responsible-use { margin: 24px 0 0; color: var(--muted); font-size: 0.88rem; }

.visit { display: grid; grid-template-columns: 1fr 0.74fr; gap: 85px; align-items: center; }
.visit-copy { max-width: 650px; }
.visit-intro { max-width: 560px; color: var(--muted); }
.visit-copy address { margin: 26px 0 30px; color: var(--muted); font-style: normal; line-height: 1.7; }
.visit-copy address strong { color: var(--ink); }
.visit-card { padding: 42px; color: var(--white); background: var(--green); box-shadow: 16px 16px 0 var(--yellow); }
.visit-card-label { margin-bottom: 28px; color: #c7d8cf; font-size: 0.76rem; font-weight: 800; letter-spacing: 0.12em; text-transform: uppercase; }
.visit-card h3 { max-width: 360px; font-size: 2rem; }
.visit-card p:not(.visit-card-label) { color: #d9e3de; }
.visit-card a { color: var(--white); font-weight: 760; text-underline-offset: 4px; }

.faq-heading { max-width: 680px; }
.faq-list { max-width: 880px; border-top: 1px solid var(--ink); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { position: relative; padding: 24px 44px 24px 0; cursor: pointer; font-weight: 700; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { position: absolute; top: 19px; right: 5px; color: var(--green); content: "+"; font-size: 1.45rem; font-weight: 400; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list p { max-width: 700px; margin-bottom: 24px; color: var(--muted); }

.contact { margin-bottom: 0; padding: 64px 58px; color: var(--white); background: var(--green); }
.contact .eyebrow { color: #c8d9d0; }
.contact-grid { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 64px; align-items: start; }
.contact-copy h2 { max-width: 560px; margin-bottom: 18px; }
.contact-copy > p:last-of-type { color: #d5e0da; }
.contact-methods { display: grid; gap: 10px; margin-top: 28px; }
.contact-methods a { color: var(--white); font-weight: 750; text-underline-offset: 4px; }
.contact-form { padding: 34px; color: var(--ink); background: var(--white); }
.form-field { margin-bottom: 18px; }
.form-field label { display: block; margin-bottom: 7px; font-size: 0.86rem; font-weight: 750; }
.form-field input,
.form-field select,
.form-field textarea { width: 100%; padding: 12px 13px; color: var(--ink); background: #fbfaf7; border: 1px solid #aeb5af; border-radius: 3px; font: inherit; }
.form-field input:hover,
.form-field select:hover,
.form-field textarea:hover { border-color: #7c867f; }
.form-field textarea { resize: vertical; }
.form-privacy,
.form-status { margin: 14px 0 0; color: var(--muted); font-size: 0.78rem; }
.form-status { min-height: 1.3em; color: var(--green); font-weight: 650; }

.site-footer { margin-top: 90px; color: #c7d3cc; background: var(--green-deeper); }
.footer-grid { display: grid; grid-template-columns: 1.6fr repeat(3, 0.7fr); gap: 58px; padding-block: 62px 54px; }
.footer-about { max-width: 340px; }
.footer-brand { margin-bottom: 18px; color: var(--white); }
.footer-grid h3 { margin-bottom: 16px; color: var(--white); font-size: 0.85rem; letter-spacing: 0.07em; text-transform: uppercase; }
.footer-grid a, .footer-grid > div > p { display: block; margin: 0 0 8px; color: #c7d3cc; font-size: 0.87rem; text-decoration: none; }
.footer-grid a:hover { color: var(--white); text-decoration: underline; text-underline-offset: 3px; }
.footer-bottom { display: flex; padding: 22px 0 30px; align-items: center; justify-content: space-between; border-top: 1px solid rgba(255,255,255,0.14); font-size: 0.8rem; }
.footer-bottom p { margin: 0; }
.footer-bottom a { color: inherit; }
.mobile-actions { display: none; }

@media (max-width: 960px) {
  .site-nav { gap: 15px; }
  .site-nav a { font-size: 0.82rem; }
  .compatibility-layout { grid-template-columns: 1fr; }
  .process-inner { gap: 55px; }
  .audience-grid { grid-template-columns: repeat(2, 1fr); }
  .audience-grid > div:nth-child(2) { border-right: 0; }
  .audience-grid > div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .footer-grid { grid-template-columns: 1.3fr repeat(3, 0.75fr); gap: 30px; }
}

@media (max-width: 760px) {
  body { padding-bottom: 58px; }
  .utility-inner, .header-inner, .hero-inner, .hero-facts, .section, .process-inner, .contact, .footer-grid, .footer-bottom { width: min(calc(100% - 32px), var(--max-width)); }
  .utility-inner { min-height: 34px; justify-content: center; }
  .utility-links { display: none; }
  .header-inner { min-height: 70px; }
  .menu-toggle { display: inline-flex; padding: 8px 0; align-items: center; gap: 10px; color: var(--ink); background: transparent; border: 0; font: inherit; font-size: 0.85rem; font-weight: 750; cursor: pointer; }
  .menu-icon, .menu-icon::before, .menu-icon::after { display: block; width: 20px; height: 1px; background: currentColor; }
  .menu-icon { position: relative; }
  .menu-icon::before, .menu-icon::after { position: absolute; left: 0; content: ""; }
  .menu-icon::before { top: -6px; }
  .menu-icon::after { top: 6px; }
  .site-nav { position: absolute; top: 70px; right: 0; left: 0; display: none; padding: 8px 20px 18px; flex-direction: column; align-items: stretch; gap: 0; background: var(--white); border-bottom: 1px solid var(--line); }
  .site-nav.is-open { display: flex; }
  .site-nav a, .site-nav .nav-cta { padding: 12px 0; color: var(--ink); background: transparent; border-bottom: 1px solid var(--line); border-radius: 0; }
  .site-nav .nav-cta { border-bottom: 0; }
  .hero { min-height: 650px; background-image: linear-gradient(90deg, rgba(13,40,31,0.95), rgba(13,40,31,0.68)), url("assets/crystal-mall-2024.jpg"); background-position: 61% center; }
  .hero-inner { min-height: 515px; padding: 72px 0 62px; align-items: flex-start; }
  h1 { font-size: clamp(2.8rem, 13vw, 4.2rem); }
  .hero-background-credit { bottom: 11px; right: auto; left: 0; }
  .hero-facts { width: 100%; grid-template-columns: 1fr; background: rgba(13,40,31,0.94); }
  .hero-facts > div { padding: 13px 20px; border-right: 0; border-bottom: 1px solid rgba(255,255,255,0.13); }
  .hero-facts > div:last-child { border-bottom: 0; }
  .hero-facts span { display: none; }
  .section { padding: 72px 0; }
  .split-heading, .service-grid, .process-inner, .visit, .footer-grid { grid-template-columns: 1fr; }
  .split-heading { gap: 24px; }
  .service-grid { gap: 14px; }
  .service-card { min-height: auto; }
  .product-gallery { grid-template-columns: 1fr; }
  .product-image { height: 310px; }
  .process-inner { gap: 36px; padding-block: 72px; }
  .audience-grid { grid-template-columns: 1fr; }
  .audience-grid > div { min-height: auto; border-right: 0; border-bottom: 1px solid var(--line); }
  .audience-grid > div:last-child { border-bottom: 0; }
  .visit { gap: 50px; }
  .visit-card { padding: 34px 28px; box-shadow: 10px 10px 0 var(--yellow); }
  .contact { width: 100%; padding: 52px 24px; }
  .contact-grid { grid-template-columns: 1fr; gap: 38px; }
  .contact-form { padding: 28px 22px; }
  .site-footer { margin-top: 0; }
  .footer-grid { gap: 30px; }
  .footer-bottom { align-items: flex-start; flex-direction: column; gap: 8px; }
  .mobile-actions { position: fixed; z-index: 50; right: 0; bottom: 0; left: 0; display: grid; grid-template-columns: repeat(3, 1fr); background: var(--green-deeper); }
  .mobile-actions a { display: grid; min-height: 58px; place-items: center; color: var(--white); font-size: 0.94rem; font-weight: 800; text-decoration: none; }
  .mobile-actions a:nth-child(2) { color: var(--green-deeper); background: var(--yellow); }
  .mobile-actions a:nth-child(3) { color: var(--green-deeper); background: var(--white); }
}

@media (max-width: 430px) {
  .hero-actions, .contact-actions, .visit-actions { width: 100%; flex-direction: column; }
  .button { width: 100%; }
  .compatibility-list-panel { padding: 28px 22px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; }
}