/* ===========================================================================
   Stena Steel — layout layer
   Page structure and components: header, hero, product grid, process, quality,
   inner-page framework, forms and footer. Loads after base.css.
   =========================================================================== */
:root{
    --ink: #2a2825;
    --ink-soft: #2e2b27;
    --paper: #f4efe4;
    --surface: #322e29;
    --surface-2: #373229;
    --surface-3: #3e3629;
    --muted: #aaa18e;
    --muted-dark: #766f62;
    --gold: #d6aa53;
    --gold-bright: #f1d488;
    --gold-deep: #8d6425;
    --rust: #d6aa53;
    --line: rgba(214, 170, 83, .2);
    --line-strong: rgba(214, 170, 83, .42);
    --line-soft: rgba(255, 255, 255, .08);
    --shadow: 0 30px 90px rgba(0, 0, 0, .38);
    --serif: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
    --sans: 'Manrope', Arial, sans-serif;
    --mono: 'DM Mono', monospace;
}

html{ scroll-behavior: smooth; color-scheme: dark; }
body{
    margin: 0;
    overflow-x: hidden;
    background: var(--ink);
    color: var(--paper);
    font-family: var(--sans);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}
body.menu-open{ overflow: hidden; }
::selection{ background: var(--gold); color: #2b2924; }
a{ color: inherit; }
button, input, textarea, select{ font: inherit; }
button, a{ -webkit-tap-highlight-color: transparent; }
:focus-visible{ outline: 2px solid var(--gold-bright); outline-offset: 4px; }
.screen-reader-text{
    position: absolute !important;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}
/* The main landmark takes programmatic focus from the Back to top control.
   tabindex is added and removed by script, so it never enters the tab order;
   no focus ring is drawn because the theme styles :focus-visible only, which
   does not match programmatic focus. */
#main-content:focus { outline: none; }
.section-pad{ padding: clamp(6rem, 9vw, 10rem) clamp(1.4rem, 7.5vw, 9rem); }

/* Header */
.site-header{
    position: absolute;
    z-index: 40;
    top: 0;
    left: 0;
    width: 100%;
    min-height: 86px;
    padding: 1.5rem clamp(1.4rem, 4vw, 5rem);
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: var(--paper);
    background: linear-gradient(180deg, rgba(21, 20, 18, .99), rgba(26, 25, 22, .97));
    border-bottom: 1px solid var(--line);
    transition: padding .35s ease, background .35s ease, box-shadow .35s ease;
}
.site-header.is-scrolled{
    position: fixed;
    min-height: 70px;
    padding-top: .85rem;
    padding-bottom: .85rem;
    background: rgba(21, 20, 18, .95);
    backdrop-filter: blur(20px) saturate(130%);
    box-shadow: 0 1px 0 var(--line), 0 14px 40px rgba(0, 0, 0, .18);
}
.brand{ display: inline-flex; align-items: center; color: var(--paper); }
.site-header .brand{ height: 52px; overflow: visible; }
.site-header.is-scrolled .brand{ height: 42px; }
.site-nav{ display: flex; align-items: center; gap: clamp(1.4rem, 2.3vw, 2.8rem); margin-left: auto; margin-right: 2.5rem; }
.site-nav a{
    position: relative;
    color: #c4bdaf;
    font-size: 0.79rem;
    font-weight: 700;
    letter-spacing: .15em;
    text-transform: uppercase;
}
.site-nav a::after{
    content: '';
    position: absolute;
    right: 100%;
    bottom: -.55rem;
    left: 0;
    height: 1px;
    background: linear-gradient(90deg, var(--gold-bright), var(--gold-deep));
    transition: right .3s ease;
}
.site-nav a:hover, .site-nav a.is-active{ color: var(--gold-bright); }
.site-nav a:hover::after, .site-nav a.is-active::after{ right: 0; }
.site-nav .nav-contact{ display: none; }
.header-cta{
    display: inline-flex;
    align-items: center;
    gap: .75rem;
    padding: .82rem 1.05rem;
    border: 1px solid var(--line-strong);
    border-radius: 999px;
    color: var(--paper);
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: .12em;
    text-transform: uppercase;
    background: rgba(214, 170, 83, .04);
}
.header-cta span{ color: var(--gold); font-size: 1.06rem; }
.header-cta:hover{ color: var(--ink); border-color: var(--gold-bright); background: var(--gold-bright); transform: translateY(-2px); }
.header-cta:hover span{ color: var(--ink); }
.nav-toggle{ display: none; }

/* Shared type and actions */
.eyebrow, .section-kicker, .page-kicker, .product-top, .footer-label{
    font-family: var(--mono);
    font-size: 0.77rem;
    line-height: 1.5;
    letter-spacing: .15em;
    text-transform: uppercase;
}
.section-kicker{ display: flex; gap: 1.15rem; margin: 0 0 clamp(2.5rem, 5vw, 4.7rem); color: var(--gold); }
.section-kicker span:last-child{ color: var(--muted); }
.story h2, .section-heading h2, .process h2, .quality h2, .contact h2, .inner-page h2{
    margin: 0;
    color: var(--paper);
    font-size: clamp(3rem, 5.5vw, 6.7rem);
    font-weight: 550;
    line-height: .92;
    letter-spacing: -.075em;
}
h1 em, h2 em, h3 em{ color: var(--gold); font-family: var(--serif); font-weight: 500; }
.button{
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 1.35rem;
    min-height: 48px;
    padding: 1.05rem 1.35rem;
    border: 1px solid transparent;
    border-radius: 999px;
    cursor: pointer;
    text-transform: uppercase;
    font-size: 0.79rem;
    font-weight: 800;
    letter-spacing: .12em;
}
.button-solid{ color: #2d2924; background: linear-gradient(135deg, var(--gold-bright), var(--gold)); box-shadow: 0 14px 36px rgba(166, 116, 31, .2); }
.button-solid:hover{ color: var(--paper); border-color: var(--line-strong); background: var(--surface-3); transform: translateY(-3px); }
.button span{ font-size: 1.14rem; line-height: 0; }
.text-link{
    display: inline-flex;
    align-items: center;
    gap: .6rem;
    padding-bottom: .4rem;
    border-bottom: 1px solid var(--gold);
    color: var(--paper);
    font-size: 0.81rem;
    font-weight: 800;
    letter-spacing: .12em;
    text-transform: uppercase;
}
.text-link span{ color: var(--gold); font-size: 1.06rem; transition: transform .25s ease; }
.text-link:hover{ color: var(--gold-bright); }
.text-link:hover span{ transform: translateX(4px); }

/* Hero */
.hero{
    position: relative;
    isolation: isolate;
    height: 100svh;
    min-height: 760px;
    overflow: hidden;
    background: radial-gradient(ellipse at 70% 40%, #423928 0%, #342f25 25%, #2c2a26 52%, #282724 100%);
    color: var(--paper);
}
.hero::after{
    content: '';
    position: absolute;
    z-index: 2;
    inset: 0;
    pointer-events: none;
    background: linear-gradient(90deg, rgba(42, 40, 37, .94) 0%, rgba(42, 40, 37, .8) 28%, rgba(42, 40, 37, .22) 51%, rgba(42, 40, 37, 0) 72%), linear-gradient(0deg, rgba(42, 40, 37, .62), transparent 28%);
}
.hero-copy{
    position: absolute;
    z-index: 5;
    top: 0;
    left: 0;
    width: min(48vw, 760px);
    max-width: none;
    padding: clamp(9.5rem, 18vh, 12.5rem) 0 0 clamp(1.4rem, 7.5vw, 9rem);
    text-shadow: none;
}
.eyebrow{ display: flex; align-items: center; gap: .7rem; color: #b9b09e; }
.eyebrow-dot{ width: 6px; height: 6px; display: inline-block; border-radius: 50%; background: var(--gold); box-shadow: 0 0 0 6px rgba(214, 170, 83, .12), 0 0 24px rgba(214, 170, 83, .5); }
.hero h1{
    margin: 2.25rem 0 1.7rem;
    color: #f7f2e8;
    font-size: clamp(4.7rem, 7.45vw, 8.8rem);
    font-weight: 600;
    line-height: .83;
    letter-spacing: -.087em;
    text-shadow: 0 12px 44px rgba(0, 0, 0, .3);
}
.hero h1 span{ display: block; white-space: nowrap; }
.hero h1 em{ color: var(--gold-bright); }
.hero-intro{ max-width: 370px; margin: 0; color: #c8c0b0; font-size: clamp(0.95rem, .9vw, 1.09rem); line-height: 1.7; }
.hero-actions{ display: flex; align-items: center; gap: 1.8rem; margin-top: 2.15rem; }
.hero .button-solid:hover{ color: var(--ink); background: var(--paper); }

/* Homepage company proof */
.proof-strip{
    position: relative;
    z-index: 3;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    background: #2c2a26;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}
.proof-item{ min-height: 190px; padding: 2.5rem clamp(1.4rem, 2.8vw, 3.2rem); border-right: 1px solid var(--line-soft); }
.proof-item:last-child{ border-right: 0; }
.proof-item > span{ display: block; margin-bottom: 2.2rem; color: var(--gold); font: 0.75rem var(--mono); }
.proof-item strong{ display: block; color: var(--paper); font-size: 1.18rem; }
.proof-item p{ max-width: 240px; margin: .7rem 0 0; color: var(--muted); font-size: 0.92rem; line-height: 1.65; }

/* Story */
.story{ position: relative; overflow: hidden; background: linear-gradient(135deg, #2e2b27, #332e25 72%, #383124); color: var(--paper); }
.story::after{ content: ''; position: absolute; right: -18vw; bottom: -28vw; width: 55vw; height: 55vw; border: 1px solid rgba(214, 170, 83, .09); border-radius: 50%; box-shadow: 0 0 0 8vw rgba(214, 170, 83, .015), 0 0 0 16vw rgba(214, 170, 83, .01); pointer-events: none; }
.story-grid{ position: relative; z-index: 1; display: grid; grid-template-columns: 1.1fr .9fr; gap: 9vw; }
.story-copy{ max-width: 470px; padding-top: .8rem; }
.story-copy .lead{ margin-top: 0; color: var(--paper); font-size: clamp(1.27rem, 1.7vw, 1.55rem); line-height: 1.45; }
.story-copy p:not(.lead){ margin: 2rem 0; color: var(--muted); font-size: 1.04rem; }
.principles{ position: relative; z-index: 1; display: grid; grid-template-columns: repeat(3, 1fr); gap: 2.5rem; margin-top: clamp(5rem, 8vw, 8rem); padding-top: 1.5rem; border-top: 1px solid var(--line); }
.principles > div{ display: grid; grid-template-columns: 44px 1fr; gap: .55rem .8rem; padding: 1rem 0 1.5rem; transition: transform .35s ease, border-color .35s ease; }
.principles > div:hover{ transform: translateY(-5px); }
.principles span{ color: var(--gold); font: 0.77rem var(--mono); }
.principles strong{ color: var(--paper); font-size: 1.14rem; }
.principles p{ grid-column: 2; margin: .35rem 0 0; color: var(--muted); font-size: 0.91rem; }

/* Products */
.products{ background: #2a2825; color: var(--paper); }
.section-heading{ display: flex; align-items: flex-end; justify-content: space-between; gap: 4rem; margin-bottom: 4.5rem; }
.section-heading p{ max-width: 340px; margin: 0; color: var(--muted); font-size: 0.99rem; }
.product-list{ display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.3rem; }
.product-card, .product-card.featured{
    position: relative;
    min-height: 515px;
    padding: clamp(1.5rem, 2.5vw, 2.3rem);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    background: linear-gradient(145deg, #332f28, #2d2b27);
    border: 1px solid var(--line);
    color: var(--paper);
    box-shadow: 0 20px 60px rgba(0, 0, 0, .2);
    transition: transform .4s ease, border-color .4s ease, box-shadow .4s ease;
}
.product-card.featured{ background: radial-gradient(circle at 90% 85%, rgba(175, 124, 36, .19), transparent 38%), linear-gradient(145deg, #3b3428, #2e2b26 70%); }
.product-card::before{ content: ''; position: absolute; inset: 0; background: linear-gradient(130deg, rgba(255, 255, 255, .025), transparent 34%); pointer-events: none; }
.product-card:hover{ transform: translateY(-8px); border-color: var(--line-strong); box-shadow: var(--shadow); }
.product-top{ position: relative; z-index: 2; display: flex; justify-content: space-between; color: #8f8778; }
.product-content{ position: relative; z-index: 2; max-width: 380px; }
.product-grade{ margin: 0 0 -.4rem; color: var(--gold); font: 0.79rem var(--mono); letter-spacing: .14em; text-transform: uppercase; }
.product-card h3{ margin: 0 0 1rem; color: var(--paper); font: 500 clamp(4.1rem, 6vw, 7rem)/.95 var(--serif); letter-spacing: -.06em; }
.product-card p{ max-width: 330px; color: var(--muted); font-size: 0.96rem; }
.product-tags{ display: flex; flex-wrap: wrap; gap: .45rem; margin: 1.3rem 0 .4rem; padding: 0; list-style: none; }
.product-tags li{ padding: .45rem .62rem; border: 1px solid var(--line); border-radius: 999px; color: #bdb5a4; font: 0.68rem var(--mono); text-transform: uppercase; }
.card-link{ position: relative; z-index: 2; display: inline-block; margin-top: 1rem; padding-bottom: .45rem; border-bottom: 1px solid var(--gold); color: var(--paper); font: 0.77rem var(--mono); letter-spacing: .1em; text-transform: uppercase; }
.card-link span{ color: var(--gold); margin-left: .45rem; }
.bar-visual{ position: absolute; right: -10px; bottom: 40px; display: flex; gap: 12px; opacity: .42; transform: rotate(-22deg); filter: saturate(.72); }
.bar-visual span{ display: block; width: 18px; height: 245px; border-radius: 10px; background: linear-gradient(90deg, #4c473e, #c8c1b1 34%, #76674c 65%, #3f3a34); box-shadow: inset -4px 0 5px rgba(0, 0, 0, .55), 0 0 16px rgba(214, 170, 83, .08); }
.bar-visual span:nth-child(2){ height: 285px; transform: translateY(-24px); }
.range-support{ display: grid; grid-template-columns: 1.2fr 1fr 1fr; margin-top: 1.3rem; border: 1px solid var(--line); }
.range-support > div{ min-height: 125px; padding: 1.55rem; border-right: 1px solid var(--line); }
.range-support > div:last-child{ border-right: 0; }
.range-support span{ display: block; margin-bottom: 1.1rem; color: var(--gold); font: 0.72rem var(--mono); letter-spacing: .12em; text-transform: uppercase; }
.range-support strong{ max-width: 300px; display: block; color: #cbc3b4; font-size: 0.94rem; font-weight: 500; line-height: 1.55; }

/* Applications */
.applications{ background: linear-gradient(180deg, #302e29, #2c2a26); border-top: 1px solid var(--line-soft); }
.application-grid{ display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.application-card{ min-height: 365px; padding: 1.8rem; display: flex; flex-direction: column; justify-content: space-between; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: rgba(255, 255, 255, .01); transition: background .35s ease, transform .35s ease; }
.application-card:hover{ background: rgba(214, 170, 83, .055); transform: translateY(-5px); }
.application-card > span{ color: var(--gold); font: 0.77rem var(--mono); }
.application-card h3{ margin: 0 0 1rem; color: var(--paper); font-size: 1.37rem; }
.application-card p{ color: var(--muted); font-size: 0.93rem; }
.application-card > strong{ color: #bfb6a5; font: 500 0.74rem var(--mono); letter-spacing: .09em; text-transform: uppercase; }

/* Process */
.process{ display: grid; grid-template-columns: minmax(380px, .95fr) minmax(500px, 1.05fr); background: #2b2925; color: var(--paper); }
.process-image{ position: relative; min-height: 800px; overflow: hidden; background: radial-gradient(circle at 50% 45%, #e3b75e 0%, #a66b20 12%, #52300d 28%, #342e26 55%, #2a2825 78%); }
.process-image::before{ content: ''; position: absolute; inset: 11%; border: 1px solid rgba(241, 212, 136, .16); border-radius: 50%; box-shadow: 0 0 0 4vw rgba(214, 170, 83, .015), 0 0 0 9vw rgba(214, 170, 83, .01); }
.process-image::after{ content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(42, 40, 37, .6), transparent 48%, rgba(42, 40, 37, .5)); }
.heat-orb{ position: absolute; top: 31%; left: 28%; width: min(28vw, 460px); height: min(28vw, 460px); min-width: 260px; min-height: 260px; border-radius: 50%; background: radial-gradient(circle at 36% 34%, #fff2bf 0%, #f4c566 11%, #c27b23 31%, #6a3b10 55%, rgba(25, 16, 7, .2) 68%, transparent 70%); filter: blur(2px); box-shadow: 0 0 110px rgba(202, 134, 37, .35); }
.process-number{ position: absolute; z-index: 3; top: 3rem; left: 3rem; color: var(--gold); font: 0.79rem var(--mono); letter-spacing: .14em; text-transform: uppercase; }
.process-image-caption{ position: absolute; z-index: 3; right: 2.5rem; bottom: 2.5rem; left: 2.5rem; display: flex; justify-content: space-between; padding-top: 1rem; border-top: 1px solid var(--line); color: #c9bfae; font: 0.7rem var(--mono); letter-spacing: .12em; text-transform: uppercase; }
.process-content{ max-width: none; display: flex; flex-direction: column; justify-content: center; background: linear-gradient(145deg, #332e28, #2a2926); }
.process-content > p{ max-width: 500px; margin: 2rem 0 0; color: var(--muted); font-size: 1.02rem; }
.process-steps{ display: grid; grid-template-columns: repeat(2, 1fr); gap: 0; margin: 3rem 0 2.6rem; padding: 0; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.process-steps > div{ min-height: 145px; padding: 1.4rem; display: flex; flex-direction: column; gap: .7rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.process-steps span{ color: var(--gold); font: 0.74rem var(--mono); }
.process-steps strong{ color: var(--paper); font-size: 0.95rem; font-weight: 600; }
.process-steps small{ color: var(--muted); font-size: 0.84rem; line-height: 1.5; }
.process-content .text-link{ align-self: flex-start; }

/* Quality */
.quality{ background: #2d2b27; border-top: 1px solid var(--line-soft); }
.quality{ display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(4rem, 9vw, 10rem); }
.quality-heading{ position: sticky; top: 9rem; align-self: start; }
.quality-content{ padding-top: 5.4rem; }
.quality-lead{ max-width: 560px; margin: 0 0 3rem; color: #d3cbbb; font-size: clamp(1.18rem, 1.45vw, 1.35rem); line-height: 1.55; }
.quality-list{ border-top: 1px solid var(--line); }
.quality-list > div{ display: grid; grid-template-columns: 48px minmax(160px, .7fr) 1.3fr; gap: 1.2rem; padding: 1.6rem 0; border-bottom: 1px solid var(--line-soft); }
.quality-list span{ color: var(--gold); font: 0.74rem var(--mono); }
.quality-list strong{ color: var(--paper); font-size: 1.01rem; }
.quality-list p{ margin: 0; color: var(--muted); font-size: 0.9rem; line-height: 1.65; }
.quality-band{ grid-column: 1 / -1; display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 1rem; border: 1px solid var(--line); }
.quality-band span{ padding: 1.35rem; border-right: 1px solid var(--line); color: #c4bcad; font: 0.73rem var(--mono); letter-spacing: .09em; text-align: center; text-transform: uppercase; }
.quality-band span:last-child{ border-right: 0; }

/* Homepage contact */
.contact{ min-height: auto; background: #2a2825; color: var(--ink); border-top: 1px solid var(--line); }
.contact-inner{ display: grid; grid-template-columns: 1.1fr .9fr; gap: 8vw; padding: clamp(2.5rem, 5vw, 5.5rem); background: radial-gradient(circle at 88% 15%, rgba(255, 239, 187, .36), transparent 28%), linear-gradient(135deg, #e5bd68, #bb8735 68%, #8c5f22); border: 1px solid rgba(255, 238, 182, .42); box-shadow: 0 34px 100px rgba(0, 0, 0, .3); }
.contact .section-kicker, .contact .section-kicker span:last-child{ color: rgba(16, 12, 5, .62); }
.contact h2{ color: #2d2a24; }
.contact h2 em{ color: #5f3b08; }
.contact-side{ max-width: 430px; padding-top: 3.6rem; }
.contact-side > p{ color: rgba(13, 10, 5, .75); font-size: 1.14rem; line-height: 1.6; }
.contact-side .button{ margin: 1.25rem 0; color: var(--paper); background: #2d2a25; box-shadow: 0 14px 30px rgba(45, 29, 6, .2); }
.contact-side .button:hover{ color: var(--ink); background: var(--paper); }
.contact-side .small-note{ color: rgba(13, 10, 5, .6); font-size: 0.81rem; }

/* Inner page framework */
.inner-page{ min-height: 100vh; padding-top: 0; background: var(--ink); color: var(--paper); }
.page-hero{
    position: relative;
    isolation: isolate;
    min-height: 680px;
    padding: clamp(11rem, 18vh, 14rem) clamp(1.4rem, 7.5vw, 9rem) clamp(5rem, 9vh, 7rem);
    display: grid;
    grid-template-columns: 1.15fr .85fr;
    align-items: end;
    gap: 9vw;
    overflow: hidden;
    background: radial-gradient(circle at 78% 35%, rgba(128, 88, 25, .24), transparent 30%), radial-gradient(circle at 20% 85%, rgba(214, 170, 83, .08), transparent 32%), linear-gradient(135deg, #2d2b27, #282724 72%);
    border-bottom: 1px solid var(--line);
}
.page-hero::before{ content: ''; position: absolute; z-index: -1; top: -25vw; right: -10vw; width: 62vw; height: 62vw; border: 1px solid rgba(214, 170, 83, .1); border-radius: 50%; box-shadow: 0 0 0 8vw rgba(214, 170, 83, .018), 0 0 0 16vw rgba(214, 170, 83, .009); }
.page-hero::after{ content: ''; position: absolute; z-index: -1; right: 7.5vw; bottom: 0; width: 34%; height: 1px; background: linear-gradient(90deg, transparent, var(--gold)); }
.page-kicker{ display: flex; gap: 1rem; margin: 0 0 2.5rem; color: var(--muted); }
.page-kicker span{ color: var(--gold); }
.inner-page h1{ margin: 0; color: var(--paper); font-size: clamp(4.2rem, 8vw, 9.5rem); font-weight: 600; line-height: .84; letter-spacing: -.087em; }
.inner-page h1 em{ color: var(--gold-bright); }
.page-hero-aside{ max-width: 430px; padding: 1.5rem 0 1.5rem 1.5rem; border-left: 1px solid var(--line-strong); }
.aside-index{ display: block; margin-bottom: 4.2rem; color: var(--gold); font: 0.75rem var(--mono); letter-spacing: .14em; text-transform: uppercase; }
.page-hero-aside p{ margin: 0; color: #b8af9e; font-size: 1.04rem; line-height: 1.75; }
.page-body{ padding: 0; background: #2c2926; color: var(--paper); }
.inner-section{ padding: clamp(6rem, 9vw, 10rem) clamp(1.4rem, 7.5vw, 9rem); border-bottom: 1px solid var(--line-soft); }
.intro-section, .process-overview, .diameter-section{ display: grid; grid-template-columns: 1fr 1fr; gap: 9vw; }
.rich-copy{ max-width: 560px; padding-top: 4.5rem; }
.rich-copy .page-lead{ margin-top: 0; color: var(--paper); font-size: clamp(1.27rem, 1.7vw, 1.5rem); line-height: 1.5; }
.rich-copy p:not(.page-lead){ color: var(--muted); font-size: 1.02rem; }
.company-stats{ display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: #2f2c26; }
.company-stats > div{ min-height: 175px; padding: 2.2rem clamp(1.4rem, 2.6vw, 3rem); display: flex; flex-direction: column; justify-content: space-between; border-right: 1px solid var(--line); }
.company-stats > div:last-child{ border-right: 0; }
.company-stats strong{ color: var(--gold-bright); font: 500 clamp(1.9rem, 3vw, 3.4rem)/1 var(--serif); }
.company-stats span{ color: var(--muted); font: 0.73rem var(--mono); letter-spacing: .1em; text-transform: uppercase; }
.registration-section .section-kicker{ margin-bottom: 1.7rem; }
.company-register{ display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.company-register > div{ padding: 1.6rem clamp(1.2rem, 2vw, 1.9rem); border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.company-register span{ display: block; margin-bottom: .65rem; color: var(--gold); font: 0.68rem var(--mono); letter-spacing: .1em; text-transform: uppercase; }
.company-register p{ margin: 0; color: #d0c8b8; font-size: 0.95rem; line-height: 1.65; }
.company-register p.is-code{ color: var(--gold-bright); font: 0.95rem var(--mono); letter-spacing: .06em; }
.compact-heading{ margin-bottom: clamp(3rem, 6vw, 5.5rem); }
.compact-heading h2{ font-size: clamp(2.9rem, 5vw, 5.7rem); }
.page-grid{ display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.page-card{ min-height: 330px; padding: 1.75rem; display: flex; flex-direction: column; background: linear-gradient(145deg, #332f28, #2d2b27); border: 1px solid var(--line); color: var(--paper); transition: transform .35s ease, border-color .35s ease, background .35s ease; }
.page-card:hover{ transform: translateY(-7px); border-color: var(--line-strong); background: linear-gradient(145deg, #383228, #2e2b26); }
.page-card > span{ margin-bottom: auto; color: var(--gold); font: 0.72rem var(--mono); letter-spacing: .11em; text-transform: uppercase; }
.page-card h3{ margin: 3.5rem 0 .9rem; color: var(--paper); font-size: 1.3rem; line-height: 1.25; }
.page-card p{ margin: 0; color: var(--muted); font-size: 0.91rem; line-height: 1.7; }
.page-card .text-link{ align-self: flex-start; margin-top: 1.3rem; }
.sector-list, .supply-grid{ display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.sector-list article, .supply-grid article{ min-height: 270px; padding: 1.7rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.sector-list article > span, .supply-grid article > span{ color: var(--gold); font: 0.75rem var(--mono); }
.sector-list h3, .supply-grid h3{ margin: 4.4rem 0 1rem; color: var(--paper); font-size: 1.2rem; }
.sector-list p, .supply-grid p{ margin: 0; color: var(--muted); font-size: 0.9rem; }
.content-band{ margin: 0; padding: clamp(4rem, 7vw, 7rem) clamp(1.4rem, 7.5vw, 9rem); display: grid; grid-template-columns: 1.25fr .75fr; align-items: end; gap: 8vw; color: #2f2b24; background: radial-gradient(circle at 86% 12%, rgba(255, 245, 209, .35), transparent 28%), linear-gradient(130deg, #e7c16e, #b98432 72%, #8e6021); border-top: 1px solid rgba(255, 236, 177, .35); border-bottom: 1px solid rgba(84, 53, 10, .5); }
.content-band > div > span{ display: block; margin-bottom: 2rem; color: rgba(16, 12, 5, .6); font: 0.75rem var(--mono); letter-spacing: .12em; text-transform: uppercase; }
.content-band h2{ color: #2f2b24; font-size: clamp(2.7rem, 4.7vw, 5.7rem); }
.content-band h2 em{ color: #593704; }
.content-band > p{ max-width: 380px; margin: 0; color: rgba(16, 12, 5, .7); font-size: 1.14rem; }
.content-band .button{ justify-self: end; color: var(--paper); background: #2d2a25; box-shadow: 0 14px 30px rgba(45, 29, 6, .2); }
.content-band .button:hover{ color: var(--ink); background: var(--paper); }
.page-cta{ padding: clamp(4rem, 7vw, 7rem) clamp(1.4rem, 7.5vw, 9rem); display: flex; align-items: end; justify-content: space-between; gap: 4rem; background: #2a2825; border-bottom: 1px solid var(--line); }
.page-cta > div > span, .page-cta > span{ display: block; margin-bottom: 1rem; color: var(--gold); font: 0.74rem var(--mono); letter-spacing: .12em; text-transform: uppercase; }
.page-cta h2{ max-width: 760px; color: var(--paper); font-size: clamp(2rem, 3.5vw, 4.1rem); line-height: 1.05; letter-spacing: -.05em; }
.page-cta-actions{ display: flex; align-items: center; gap: 1.5rem; flex: 0 0 auto; }
.slim-cta{ background: #2e2b26; }

/* Product page */
.grade-grid{ display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.2rem; }
.grade-card{ min-height: 690px; padding: clamp(1.7rem, 3vw, 3rem); display: flex; flex-direction: column; justify-content: space-between; background: radial-gradient(circle at 95% 10%, rgba(214, 170, 83, .1), transparent 28%), linear-gradient(145deg, #343028, #2c2a26); border: 1px solid var(--line); }
.grade-card.grade-primary{ background: radial-gradient(circle at 90% 12%, rgba(242, 207, 125, .18), transparent 31%), linear-gradient(145deg, #3b3428, #2e2b26); border-color: var(--line-strong); }
.grade-card-top{ display: flex; justify-content: space-between; color: var(--gold); font: 0.74rem var(--mono); letter-spacing: .1em; text-transform: uppercase; }
.grade-card-top strong{ color: #6f5b34; font: 500 clamp(4rem, 7vw, 8rem)/.8 var(--serif); }
.grade-name{ margin: 0 0 -.7rem; color: var(--gold); font: 0.77rem var(--mono); letter-spacing: .14em; text-transform: uppercase; }
.grade-card h3{ margin: 0; color: var(--paper); font: 500 clamp(5.2rem, 8vw, 9.4rem)/.9 var(--serif); letter-spacing: -.075em; }
.grade-summary{ max-width: 500px; color: var(--muted); font-size: 1.01rem; }
.grade-features{ display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.grade-features span{ padding: .85rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); color: #c1b9aa; font: 0.68rem var(--mono); text-transform: uppercase; }
.grade-use{ padding-top: 1.4rem; border-top: 1px solid var(--line); }
.grade-use span{ color: var(--gold); font: 0.7rem var(--mono); letter-spacing: .1em; text-transform: uppercase; }
.grade-use p{ margin: .7rem 0 0; color: var(--muted); font-size: 0.89rem; }
.diameter-section{ align-items: start; background: #2f2c27; }
.diameter-grid{ display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.diameter-grid > span{ aspect-ratio: 1; display: grid; place-items: center; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); color: var(--gold-bright); font: 500 clamp(2rem, 3vw, 3.5rem) var(--serif); }
.diameter-grid small{ margin-left: .2rem; color: var(--muted); font: 0.62rem var(--mono); }
.technical-note{ margin: 1.3rem 0 0; color: var(--muted); font-size: 0.85rem; line-height: 1.7; }
.applications-guide .page-grid{ grid-template-columns: repeat(4, 1fr); }
.supply-section{ background: #2f2b26; }
.product-band{ align-items: center; }
.product-band h2{ max-width: 860px; }

/* Process page */
.process-timeline{ padding: 0 clamp(1.4rem, 7.5vw, 9rem) clamp(6rem, 9vw, 10rem); background: #2c2926; }
.timeline-step{ position: relative; display: grid; grid-template-columns: 140px 1fr; gap: 2rem; padding: 2.2rem 0; border-top: 1px solid var(--line); }
.timeline-step:last-child{ border-bottom: 1px solid var(--line); }
.timeline-step::after{ content: ''; position: absolute; right: 0; bottom: -1px; left: 0; height: 1px; background: linear-gradient(90deg, var(--gold), transparent); transform: scaleX(0); transform-origin: left; transition: transform .5s ease; }
.timeline-step:hover::after{ transform: scaleX(1); }
.timeline-step > span{ color: var(--gold); font: 500 clamp(2rem, 3vw, 3.5rem) var(--serif); }
.timeline-step > div{ display: grid; grid-template-columns: 1fr 1fr 1.2fr; align-items: start; gap: 2rem; }
.timeline-step small{ color: var(--gold); font: 0.7rem var(--mono); letter-spacing: .11em; text-transform: uppercase; }
.timeline-step h3{ margin: 0; color: var(--paper); font-size: 1.25rem; }
.timeline-step p{ margin: 0; color: var(--muted); font-size: 0.91rem; }
.test-section{ background: #2f2c27; }
.test-grid{ display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.test-grid article{ min-height: 260px; padding: 1.8rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.test-grid span{ color: var(--gold); font: 0.7rem var(--mono); letter-spacing: .1em; }
.test-grid h3{ margin: 4rem 0 .8rem; color: var(--paper); font-size: 1.25rem; }
.test-grid p{ max-width: 440px; margin: 0; color: var(--muted); font-size: 0.91rem; }
.band-list{ display: flex; flex-direction: column; border-top: 1px solid rgba(16, 12, 5, .26); }
.band-list p{ display: flex; gap: 1rem; margin: 0; padding: .8rem 0; border-bottom: 1px solid rgba(16, 12, 5, .18); color: rgba(16, 12, 5, .72); font-size: 0.9rem; }
.band-list span{ color: #69430c; font: 0.72rem var(--mono); }

/* Contact page */
.contact-panel{ padding: clamp(5rem, 8vw, 9rem) clamp(1.4rem, 7.5vw, 9rem); display: grid; grid-template-columns: .82fr 1.18fr; gap: clamp(4rem, 8vw, 9rem); background: #2c2a26; border-bottom: 1px solid var(--line); }
.contact-panel-copy{ align-self: start; }
.contact-panel-copy > p:not(.section-kicker){ max-width: 460px; color: var(--muted); font-size: 0.99rem; }
.direct-contact{ margin-top: 3rem; border-top: 1px solid var(--line); }
.direct-contact > div{ padding: 1.1rem 0; border-bottom: 1px solid var(--line-soft); }
.direct-contact span{ display: block; margin-bottom: .45rem; color: var(--gold); font: 0.68rem var(--mono); letter-spacing: .1em; text-transform: uppercase; }
.direct-contact a, .direct-contact p{ margin: 0; color: #d0c8b8; font-size: 0.93rem; }
.enquiry-form-wrap{ padding: clamp(1.5rem, 3vw, 3rem); background: linear-gradient(145deg, #343028, #2e2b26); border: 1px solid var(--line); box-shadow: var(--shadow); }
.form-status{ margin-bottom: 1.5rem; padding: 1rem 1.1rem; border: 1px solid var(--line); color: #d4cbbb; font-size: 0.91rem; }
.form-status.is-success{ border-color: rgba(145, 196, 120, .42); background: rgba(92, 139, 74, .08); }
.form-status.is-error{ border-color: rgba(211, 112, 91, .5); background: rgba(141, 60, 44, .08); }
.form-trap{ position: absolute; left: -9999px; }
.form-grid{ display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.3rem; }
.enquiry-form label{ display: flex; flex-direction: column; gap: .55rem; }
.enquiry-form label > span{ color: #b7ae9d; font: 0.7rem var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.enquiry-form input, .enquiry-form textarea, .enquiry-form select{
    width: 100%;
    padding: .85rem 0;
    border: 0;
    border-bottom: 1px solid var(--line);
    border-radius: 0;
    outline: 0;
    color: var(--paper);
    background: transparent;
    font-size: 0.95rem;
    transition: border-color .25s ease;
}
.enquiry-form select{ cursor: pointer; }
.enquiry-form select option{ color: var(--paper); background: #332e29; }
.enquiry-form input::placeholder, .enquiry-form textarea::placeholder{ color: #716a5e; }
.enquiry-form input:focus, .enquiry-form textarea:focus, .enquiry-form select:focus{ border-bottom-color: var(--gold-bright); }
.message-field{ margin-top: 1.5rem; }
.enquiry-form textarea{ min-height: 120px; resize: vertical; }
.form-submit{ display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-top: 1.6rem; }
.form-submit p{ margin: 0; color: var(--muted-dark); font-size: 0.77rem; }
.contact-methods{ display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.contact-methods article{ min-height: 285px; padding: 1.7rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.contact-methods span{ color: var(--gold); font: 0.7rem var(--mono); letter-spacing: .1em; }
.contact-methods h3{ margin: 4.5rem 0 .9rem; color: var(--paper); font-size: 1.23rem; }
.contact-methods p{ margin: 0; color: var(--muted); font-size: 0.91rem; }
.rich-copy p.factory-coords{ margin: 1.3rem 0 0; color: var(--muted-dark); font: 0.8rem var(--mono); letter-spacing: .08em; }
.factory-actions{ display: flex; align-items: center; flex-wrap: wrap; gap: 1.2rem 1.7rem; margin-top: 1.8rem; }
.map-frame{ height: clamp(320px, 32vw, 460px); margin-top: clamp(3rem, 6vw, 5rem); overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow); background: #2f2c27; }
.map-frame iframe{ display: block; width: 100%; height: 100%; border: 0; filter: invert(93%) hue-rotate(180deg) contrast(.92) brightness(1.04) saturate(1.2); }

/* Footer */
.site-footer{ display: block; padding: 0; background: #282724; border-top: 1px solid var(--line); color: var(--muted); text-transform: none; letter-spacing: normal; }
.site-footer > .footer-main{ padding: clamp(4.5rem, 7vw, 7.5rem) clamp(1.4rem, 4vw, 5rem) clamp(3.5rem, 6vw, 6rem); display: grid; grid-template-columns: minmax(300px, 1.1fr) .8fr 1fr 1fr; gap: clamp(2.5rem, 5vw, 6.5rem); align-items: start; width: 100%; box-sizing: border-box; }
.footer-brand .brand{ display: block; max-width: 320px; margin-bottom: 1.6rem; }
.footer-brand p{ max-width: 320px; margin: 0; color: #8f8778; font-size: 0.92rem; line-height: 1.7; }
.footer-column{ display: flex; flex-direction: column; align-items: flex-start; gap: .8rem; padding-top: 0; }
.footer-label{ position: relative; padding-bottom: .6rem; margin-bottom: .6rem; color: var(--gold); }
.footer-label::after{ content: ''; position: absolute; left: 0; bottom: 0; width: 30px; height: 2px; border-radius: 2px; background: linear-gradient(90deg, var(--gold), transparent); }
.footer-column a, .footer-column > span:not(.footer-label){ color: #a9a08f; font-size: 0.9rem; line-height: 1.55; }
.footer-column a:hover{ color: var(--gold-bright); }
.footer-enquire{ margin-top: 1rem; padding-bottom: .35rem; border-bottom: 1px solid var(--gold); color: var(--paper) !important; font-weight: 600; }
.site-footer > .footer-bottom{ padding: 1.8rem clamp(1.4rem, 4vw, 5rem); display: flex; align-items: center; justify-content: space-between; gap: 2rem; border-top: 1px solid var(--line-soft); color: #8a8275; font: 0.78rem var(--mono); letter-spacing: .09em; text-transform: uppercase; }
.footer-bottom p{ margin: 0; }
.back-top{ color: var(--gold); white-space: nowrap; }

/* Generic WordPress content */
.page-content-wrapper{ min-height: 70vh; padding: 11rem clamp(1.4rem, 7.5vw, 9rem) 7rem; background: #2c2926; }
.page-content-inner{ max-width: 980px; margin: 0 auto; }
.page-entry-title, .page-content-inner h2{ color: var(--paper); }
.page-entry-content{ color: var(--muted); }

/* Motion */
.motion-item{ opacity: 0; transform: translateY(24px); transition: opacity .8s ease var(--motion-delay), transform .8s cubic-bezier(.2, .7, .2, 1) var(--motion-delay); }
.motion-item.is-visible{ opacity: 1; transform: translateY(0); }

/* Responsive */
@media (min-width: 1800px){
    .section-pad, .inner-section { padding-left: max(7.5vw, calc((100vw - 1700px) / 2)); padding-right: max(7.5vw, calc((100vw - 1700px) / 2)); }
    .hero-copy { padding-left: max(7.5vw, calc((100vw - 1700px) / 2)); }
    .proof-item { padding-left: 3.2rem; padding-right: 3.2rem; }
}
@media (min-aspect-ratio: 2/1) and (min-width: 1100px) {
    .hero{ min-height: 690px; }
    .hero-copy{ padding-top: 7.8rem; }
    .hero h1{ font-size: clamp(4.2rem, 5.4vw, 7rem); margin: 1.7rem 0 1.2rem; }
    .hero-actions{ margin-top: 1.5rem; }
}
@media (max-width: 1200px) {
    .hero-copy{ width: 54vw; }
    .site-nav{ gap: 1.4rem; margin-right: 1.5rem; }
    .story-grid{ gap: 6vw; }
    .application-grid{ grid-template-columns: repeat(2, 1fr); }
    .application-card{ min-height: 300px; }
    .quality{ gap: 5vw; }
    .page-grid, .applications-guide .page-grid{ grid-template-columns: repeat(2, 1fr); }
    .site-footer > .footer-main{ grid-template-columns: 1.4fr repeat(3, 1fr); gap: 2.5rem; }
}
@media (max-width: 980px) {
    .proof-strip{ grid-template-columns: repeat(2, 1fr); }
    .proof-item:nth-child(2){ border-right: 0; }
    .proof-item:nth-child(-n + 2){ border-bottom: 1px solid var(--line-soft); }
    .story-grid, .contact-inner, .page-hero, .intro-section, .process-overview, .diameter-section, .contact-panel{ grid-template-columns: 1fr; }
    .story-copy, .rich-copy{ max-width: 620px; padding-top: 1rem; }
    .process{ grid-template-columns: .85fr 1.15fr; }
    .quality{ grid-template-columns: 1fr; }
    .quality-heading{ position: static; }
    .quality-content{ padding-top: 0; }
    .company-stats{ grid-template-columns: repeat(2, 1fr); }
    .company-stats > div:nth-child(2){ border-right: 0; }
    .company-stats > div:nth-child(-n + 2){ border-bottom: 1px solid var(--line); }
    .company-register{ grid-template-columns: repeat(2, 1fr); }
    .sector-list, .supply-grid{ grid-template-columns: repeat(2, 1fr); }
    .grade-card{ min-height: 650px; }
    .timeline-step > div{ grid-template-columns: .8fr 1fr 1.2fr; }
    .contact-panel-copy{ max-width: 620px; }
    .site-footer > .footer-main{ grid-template-columns: 1.4fr 1fr 1fr; }
    .footer-contact{ grid-column: 2 / -1; }
}
@media (max-width: 800px) {
    .site-header{ min-height: 74px; padding: 1.15rem 6vw; }
    .site-header .brand{ height: 40px; }
    .site-header.is-scrolled .brand{ height: 36px; }
    .header-cta{ display: none; }
    .nav-toggle{ position: relative; z-index: 45; width: 42px; height: 42px; display: grid; place-content: center; gap: 6px; padding: 0; border: 1px solid var(--line); border-radius: 50%; background: rgba(214, 170, 83, .04); }
    .nav-toggle-line{ width: 17px; height: 1px; display: block; background: var(--gold-bright); transition: transform .3s ease; }
    .site-nav{
        position: fixed;
        z-index: 42;
        top: 0;
        right: 0;
        bottom: 0;
        width: min(86vw, 390px);
        margin: 0;
        padding: 8.5rem 2.2rem 3rem;
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        gap: 1.8rem;
        background: radial-gradient(circle at 100% 0, rgba(177, 124, 36, .22), transparent 35%), #2d2b27;
        border-left: 1px solid var(--line);
        box-shadow: -30px 0 90px rgba(0, 0, 0, .55);
        transform: translateX(105%);
        visibility: hidden;
        transition: transform .38s cubic-bezier(.2, .75, .2, 1), visibility .38s;
    }
    .site-nav a{ width: 100%; padding-bottom: 1.1rem; border-bottom: 1px solid var(--line-soft); color: var(--paper); font-size: 0.95rem; }
    .site-nav a::after{ display: none; }
    .site-nav .nav-contact{ display: block; color: var(--gold-bright); }
    .site-header.is-nav-open .site-nav{ transform: translateX(0); visibility: visible; }
    .site-header.is-nav-open .nav-toggle-line:first-of-type{ transform: translateY(3.5px) rotate(45deg); }
    .site-header.is-nav-open .nav-toggle-line:last-of-type{ transform: translateY(-3.5px) rotate(-45deg); }
    .hero{ min-height: 800px; }
    .hero::after{ background: linear-gradient(180deg, rgba(42, 40, 37, .9) 0%, rgba(42, 40, 37, .55) 46%, rgba(42, 40, 37, .85) 100%); }
    .hero-copy{ width: 100%; padding: 9.2rem 7vw 0; }
    .hero h1{ max-width: 610px; font-size: clamp(3.5rem, 13.8vw, 6.2rem); margin: 1.7rem 0 1.2rem; }
    .hero-intro{ max-width: 300px; font-size: 0.93rem; }
    .hero-actions{ margin-top: 1.5rem; gap: 1rem; }
    .section-pad{ padding: 5.8rem 7vw; }
    .section-heading{ display: block; }
    .section-heading p{ margin-top: 1.7rem; }
    .principles{ grid-template-columns: 1fr; gap: .4rem; }
    .product-list, .grade-grid{ grid-template-columns: 1fr; }
    .product-card{ min-height: 470px; }
    .range-support{ grid-template-columns: 1fr; }
    .range-support > div{ min-height: auto; border-right: 0; border-bottom: 1px solid var(--line); }
    .range-support > div:last-child{ border-bottom: 0; }
    .process{ grid-template-columns: 1fr; }
    .process-image{ min-height: 470px; }
    .heat-orb{ top: 20%; left: calc(50% - 150px); width: 300px; height: 300px; }
    .process-content{ padding-top: 5.8rem; }
    .quality-list > div{ grid-template-columns: 42px 1fr; }
    .quality-list p{ grid-column: 2; }
    .quality-band{ grid-template-columns: repeat(2, 1fr); }
    .quality-band span:nth-child(2){ border-right: 0; }
    .quality-band span:nth-child(-n + 2){ border-bottom: 1px solid var(--line); }
    .contact-inner{ padding: 2.2rem; }
    .contact-side{ padding-top: 1rem; }
    .page-hero{ min-height: 620px; padding: 10.5rem 7vw 5rem; gap: 3rem; }
    .inner-page h1{ font-size: clamp(3.8rem, 13.5vw, 7rem); }
    .page-hero-aside{ max-width: 560px; }
    .aside-index{ margin-bottom: 1.4rem; }
    .inner-section, .contact-panel, .process-timeline, .content-band, .page-cta{ padding-left: 7vw; padding-right: 7vw; }
    .page-grid, .applications-guide .page-grid{ grid-template-columns: 1fr; }
    .page-card{ min-height: 280px; }
    .content-band{ grid-template-columns: 1fr; align-items: start; gap: 2.5rem; }
    .content-band .button{ justify-self: start; }
    .page-cta{ align-items: flex-start; flex-direction: column; }
    .timeline-step{ grid-template-columns: 80px 1fr; }
    .timeline-step > div{ grid-template-columns: 1fr; gap: .8rem; }
    .test-grid, .contact-methods{ grid-template-columns: 1fr; }
    .form-grid{ grid-template-columns: 1fr; }
    .site-footer > .footer-main{ grid-template-columns: repeat(2, 1fr); }
    .footer-brand{ grid-column: 1 / -1; }
    .footer-contact{ grid-column: auto; }
    .site-footer > .footer-bottom{ flex-wrap: wrap; }
    .footer-bottom p:nth-child(2){ display: none; }
}
@media (max-width: 560px) {
    .site-header .brand{ height: 34px; }
    .site-header.is-scrolled .brand{ height: 30px; }
    .footer-brand .brand{ max-width: 280px; }
    .hero{ min-height: 790px; }
    .hero-copy{ padding-top: 8.5rem; }
    .hero h1{ font-size: clamp(3.25rem, 16.3vw, 4.8rem); }
    .eyebrow{ max-width: 285px; font-size: 0.64rem; }
    .hero-actions{ align-items: flex-start; flex-direction: column; gap: 1rem; }
    .proof-strip{ grid-template-columns: 1fr; }
    .proof-item{ min-height: auto; padding: 2rem 7vw; border-right: 0; border-bottom: 1px solid var(--line-soft); }
    .proof-item:last-child{ border-bottom: 0; }
    .proof-item > span{ margin-bottom: 1.2rem; }
    .story h2, .section-heading h2, .process h2, .quality h2, .contact h2, .inner-page h2{ font-size: clamp(2.65rem, 13vw, 4.2rem); }
    .application-grid{ grid-template-columns: 1fr; }
    .application-card{ min-height: 260px; }
    .process-steps{ grid-template-columns: 1fr; }
    .quality-band{ grid-template-columns: 1fr; }
    .quality-band span{ border-right: 0; border-bottom: 1px solid var(--line); }
    .quality-band span:last-child{ border-bottom: 0; }
    .contact h2{ font-size: 2.75rem; }
    .company-stats{ grid-template-columns: 1fr; }
    .company-stats > div{ min-height: 135px; border-right: 0; border-bottom: 1px solid var(--line); }
    .company-stats > div:last-child{ border-bottom: 0; }
    .company-register{ grid-template-columns: 1fr; }
    .sector-list, .supply-grid{ grid-template-columns: 1fr; }
    .grade-card{ min-height: 640px; padding: 1.4rem; }
    .grade-features{ grid-template-columns: 1fr; }
    .diameter-grid{ grid-template-columns: repeat(2, 1fr); }
    .timeline-step{ grid-template-columns: 54px 1fr; gap: 1rem; }
    .timeline-step > span{ font-size: 2rem; }
    .form-submit{ align-items: flex-start; flex-direction: column; }
    .site-footer > .footer-main{ grid-template-columns: 1fr; }
    .footer-brand, .footer-contact{ grid-column: auto; }
    .site-footer > .footer-bottom{ align-items: flex-start; flex-direction: column; gap: .8rem; }
}
@media (max-width: 380px) {
    .hero{ min-height: 780px; }
    .hero-copy{ padding-top: 8.1rem; }
    .hero h1{ font-size: 3.15rem; }
    .hero-intro{ max-width: 260px; }
    .button{ padding-right: 1.1rem; padding-left: 1.1rem; }
}
@media (prefers-reduced-motion: reduce) {
    html{ scroll-behavior: auto; }
    *, *::before, *::after{ scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
    .motion-item{ opacity: 1; transform: none; }
    .product-card:hover, .page-card:hover, .application-card:hover, .principles > div:hover{ transform: none; }
}