/* ============================================================
   Siltech Framework — Design System
   ============================================================ */

/* Local fonts */
@font-face { font-family: Montserrat; src: local("Montserrat"); font-display: swap; }
@font-face { font-family: "Playfair Display"; src: local("Playfair Display"); font-display: swap; }

/* ============================================================
   CSS CUSTOM PROPERTIES
   ============================================================ */
:root {
    /* Brand colors */
    --sf-primary:        #1f5f46;
    --sf-primary-2:      #0f3f31;
    --sf-primary-light:  rgba(31,95,70,.08);
    --sf-primary-mid:    rgba(31,95,70,.18);
    --sf-gold:           #c7a762;
    --sf-gold-2:         #a8883f;
    --sf-gold-light:     rgba(199,167,98,.15);

    /* Neutral palette */
    --sf-bg:             #f7f5f0;
    --sf-surface:        #ffffff;
    --sf-surface-2:      #f0ede8;
    --sf-dark:           #09120e;
    --sf-dark-2:         #1a2b24;
    --sf-muted:          #61706a;
    --sf-muted-2:        #8a9e97;
    --sf-line:           rgba(9,18,14,.12);
    --sf-line-2:         rgba(9,18,14,.06);

    /* Semantic */
    --sf-error:          #c62828;
    --sf-success:        #2e7d32;
    --sf-warning:        #f57c00;
    --sf-info:           #0277bd;

    /* Spacing scale */
    --sf-space-1:   4px;
    --sf-space-2:   8px;
    --sf-space-3:   12px;
    --sf-space-4:   16px;
    --sf-space-5:   20px;
    --sf-space-6:   24px;
    --sf-space-8:   32px;
    --sf-space-10:  40px;
    --sf-space-12:  48px;
    --sf-space-16:  64px;
    --sf-space-20:  80px;
    --sf-space-24:  96px;
    --sf-space-32: 128px;

    /* Typography scale */
    --sf-text-xs:   11px;
    --sf-text-sm:   13px;
    --sf-text-base: 16px;
    --sf-text-md:   18px;
    --sf-text-lg:   22px;
    --sf-text-xl:   28px;
    --sf-text-2xl:  36px;
    --sf-text-3xl:  48px;
    --sf-text-4xl:  clamp(42px, 7vw, 86px);
    --sf-leading-tight:   1.1;
    --sf-leading-snug:    1.3;
    --sf-leading-normal:  1.7;
    --sf-leading-relaxed: 1.85;

    /* Font stacks */
    --sf-font-body: Montserrat, system-ui, -apple-system, "Segoe UI", sans-serif;
    --sf-font-head: "Playfair Display", Georgia, serif;
    --sf-font-mono: Consolas, Monaco, "Courier New", monospace;

    /* Border radius */
    --sf-radius-xs:   6px;
    --sf-radius-sm:   10px;
    --sf-radius:      16px;
    --sf-radius-lg:   24px;
    --sf-radius-xl:   32px;
    --sf-radius-full: 999px;

    /* Shadows */
    --sf-shadow-xs: 0 2px 6px rgba(9,18,14,.06);
    --sf-shadow-sm: 0 4px 16px rgba(9,18,14,.08);
    --sf-shadow:    0 8px 32px rgba(9,18,14,.10);
    --sf-shadow-md: 0 16px 56px rgba(9,18,14,.12);
    --sf-shadow-lg: 0 24px 80px rgba(9,18,14,.16);
    --sf-shadow-xl: 0 40px 120px rgba(9,18,14,.20);
    --sf-shadow-gold: 0 18px 44px rgba(199,167,98,.28);
    --sf-shadow-primary: 0 18px 44px rgba(31,95,70,.25);
    --sf-shadow-inset: inset 0 2px 8px rgba(9,18,14,.08);

    /* Glassmorphism */
    --sf-glass-bg:     rgba(255,255,255,.72);
    --sf-glass-bg-2:   rgba(255,255,255,.5);
    --sf-glass-dark:   rgba(9,18,14,.6);
    --sf-glass-blur:   blur(20px);
    --sf-glass-blur-sm: blur(8px);
    --sf-glass-border: 1px solid rgba(255,255,255,.4);
    --sf-glass-border-dark: 1px solid rgba(255,255,255,.12);

    /* Transitions */
    --sf-ease:       cubic-bezier(.4,0,.2,1);
    --sf-ease-out:   cubic-bezier(0,0,.2,1);
    --sf-ease-in:    cubic-bezier(.4,0,1,1);
    --sf-ease-spring: cubic-bezier(.34,1.56,.64,1);
    --sf-transition:      .22s var(--sf-ease);
    --sf-transition-slow: .4s  var(--sf-ease);
    --sf-transition-fast: .12s var(--sf-ease);

    /* Layout */
    --sf-container:    1180px;
    --sf-container-sm:  760px;
    --sf-container-lg: 1380px;

    /* Z-index stack */
    --sf-z-base:    1;
    --sf-z-raised:  10;
    --sf-z-header:  60;
    --sf-z-overlay: 70;
    --sf-z-modal:   80;
    --sf-z-toast:   90;
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    tab-size: 4;
    overflow-x: hidden; /* prevent horizontal scroll from off-screen mobile nav panel */
}

body {
    margin: 0;
    background: var(--sf-bg);
    color: var(--sf-dark);
    font-family: var(--sf-font-body);
    font-size: var(--sf-text-base);
    line-height: var(--sf-leading-normal);
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
}

body.siltech-menu-open { overflow: hidden; }

img, video { max-width: 100%; height: auto; }
img { display: block; }

a { color: inherit; text-decoration: none; }
a:hover { color: var(--sf-primary); }

h1, h2, h3, h4, h5, h6 {
    font-family: var(--sf-font-head);
    line-height: var(--sf-leading-tight);
    margin-block: 0;
}

p { margin-block: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button { cursor: pointer; font-family: inherit; }
input, textarea, select { font-family: inherit; }

:focus-visible {
    outline: 3px solid var(--sf-gold);
    outline-offset: 3px;
    border-radius: var(--sf-radius-xs);
}

/* ============================================================
   ACCESSIBILITY
   ============================================================ */
.screen-reader-text {
    position: absolute !important;
    height: 1px; width: 1px;
    overflow: hidden;
    clip: rect(1px,1px,1px,1px);
    word-wrap: normal;
}

.skip-link:focus {
    position: fixed;
    height: auto; width: auto;
    clip: auto;
    z-index: var(--sf-z-toast);
    background: var(--sf-surface);
    color: var(--sf-dark);
    padding: var(--sf-space-3) var(--sf-space-5);
    border-radius: var(--sf-radius);
    box-shadow: var(--sf-shadow-md);
    left: var(--sf-space-4);
    top: var(--sf-space-4);
    font-weight: 700;
}

/* ============================================================
   LAYOUT UTILITIES
   ============================================================ */
.siltech-container {
    width: min(calc(100% - var(--sf-space-8)), var(--sf-container));
    margin-inline: auto;
}
.siltech-container--sm  { --sf-container: var(--sf-container-sm); }
.siltech-container--lg  { --sf-container: var(--sf-container-lg); }

.siltech-section { padding-block: var(--sf-space-20); }
.siltech-section--sm    { padding-block: var(--sf-space-12); }
.siltech-section--lg    { padding-block: var(--sf-space-32); }

.siltech-section-head {
    max-width: 760px;
    margin-bottom: var(--sf-space-10);
}
.siltech-section-head h2 {
    font-size: clamp(32px, 4.5vw, 58px);
    margin-bottom: var(--sf-space-4);
}
.siltech-section-head p {
    color: var(--sf-muted);
    font-size: var(--sf-text-md);
    line-height: var(--sf-leading-relaxed);
}
.siltech-section-head--center { text-align: center; margin-inline: auto; }

/* ============================================================
   NAVIGATION OVERLAY
   ============================================================ */
.siltech-nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.60);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 9998;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity var(--sf-transition-slow), visibility var(--sf-transition-slow);
}
.siltech-nav-overlay.is-visible {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

/* ============================================================
   SITE HEADER
   ============================================================ */
.siltech-site-header {
    position: sticky;
    top: 0;
    z-index: var(--sf-z-header);
    background: rgba(247,245,240,.9);
    backdrop-filter: var(--sf-glass-blur);
    -webkit-backdrop-filter: var(--sf-glass-blur);
    border-bottom: 1px solid var(--sf-line);
    transition: box-shadow var(--sf-transition), background var(--sf-transition-slow);
}
.siltech-site-header.is-scrolled { box-shadow: var(--sf-shadow-md); }

/* ============================================================
   TRANSPARENT HEADER — homepage overlay over hero
   Activated by .siltech-header-transparent on the <header> element
   (added via PHP when is_front_page()).
   ============================================================ */
.siltech-header-transparent {
    position: fixed;
    width: 100%;
    background: transparent !important;
    border-bottom-color: transparent !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    box-shadow: none !important;
}
/* When scrolled: dark glass background appears */
.siltech-header-transparent.is-scrolled {
    background: rgba(7,16,12,.88) !important;
    backdrop-filter: blur(20px) !important;
    -webkit-backdrop-filter: blur(20px) !important;
    border-bottom-color: rgba(255,255,255,.06) !important;
    box-shadow: 0 4px 32px rgba(0,0,0,.28) !important;
}
/* White logo text on transparent header */
.siltech-header-transparent .siltech-logo-text { color: #fff; }
/* White site name in custom logo area */
.siltech-header-transparent .siltech-brand-custom strong { color: #fff; }
.siltech-header-transparent .siltech-brand-custom span   { color: rgba(255,255,255,.65); }
/* Desktop nav links: white with gold hover */
.siltech-header-transparent .siltech-nav .siltech-menu > li > a {
    color: #fff;
}
.siltech-header-transparent .siltech-nav .siltech-menu > li > a:hover,
.siltech-header-transparent .siltech-nav .siltech-menu > li.current-menu-item > a,
.siltech-header-transparent .siltech-nav .siltech-menu > li.current-page-ancestor > a {
    color: var(--sf-gold);
    background: transparent;
}
/* Hamburger on transparent header — gold border for extra visibility against hero */
.siltech-header-transparent .siltech-menu-toggle { border-color: rgba(201,163,90,.65); }

/* Body offset: hero must be full-viewport so the fixed header overlays it.
   If the hero is not 100vh, add padding-top equal to header height instead. */
.siltech-has-transparent-header .siltech-site-header + * { margin-top: 0; }

/* Topbar */
.siltech-topbar {
    font-size: var(--sf-text-sm);
    color: #fff;
    background: linear-gradient(90deg, var(--sf-primary-2), var(--sf-primary));
}
.siltech-topbar-inner {
    display: flex;
    gap: var(--sf-space-5);
    justify-content: center;
    align-items: center;
    padding: 7px var(--sf-space-4);
    flex-wrap: wrap;
}
.siltech-topbar-inner a { color: rgba(255,255,255,.85); }
.siltech-topbar-inner a:hover { color: var(--sf-gold); }

/* Header inner */
.siltech-header-inner {
    min-height: 82px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--sf-space-6);
    position: relative;
}

/* Brand */
.siltech-brand {
    display: flex;
    align-items: center;
    gap: var(--sf-space-4);
    flex-shrink: 0;
}
.siltech-logo-text {
    font-family: var(--sf-font-head);
    font-size: var(--sf-text-xl);
    font-weight: 700;
    color: var(--sf-dark);
}
.siltech-brand-custom {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}
.siltech-brand-custom span {
    font-size: var(--sf-text-xs);
    color: var(--sf-muted);
    font-weight: 500;
    letter-spacing: .04em;
}

/* ============================================================
   HAMBURGER BUTTON (animated)
   Dark-glass circle with gold border. Lines use position:absolute
   for precise placement and clean X animation.
   Hidden by default; shown via @media (max-width:900px).
   ============================================================ */
.siltech-menu-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 54px;
    height: 54px;
    padding: 0;
    background: rgba(7,16,12,.86);
    border: 1.5px solid rgba(201,163,90,.45);
    border-radius: 999px;
    cursor: pointer;
    position: relative;
    flex-shrink: 0;
    transition: background .22s ease, border-color .22s ease, box-shadow .22s ease;
}
.siltech-menu-toggle:hover {
    background: rgba(7,16,12,.98);
    border-color: rgba(201,163,90,.80);
    box-shadow: 0 0 0 5px rgba(201,163,90,.12);
}

/* Hamburger icon: 3 lines via position:absolute spans */
.siltech-hamburger {
    display: block;
    position: relative;
    width: 24px;
    height: 18px;
    pointer-events: none;
}
.siltech-hamburger span {
    position: absolute;
    left: 0;
    width: 24px;
    height: 2px;
    background: #ffffff;
    border-radius: 999px;
    transition: transform .25s ease, top .25s ease, opacity .2s ease, background .22s ease;
}
.siltech-hamburger span:nth-child(1) { top: 0; }
.siltech-hamburger span:nth-child(2) { top: 8px; }
.siltech-hamburger span:nth-child(3) { top: 16px; }

/* X state — driven by body.siltech-menu-open (set by JS) */
body.siltech-menu-open .siltech-menu-toggle {
    background: rgba(201,163,90,.14);
    border-color: rgba(201,163,90,.80);
}
body.siltech-menu-open .siltech-hamburger span { background: #c9a35a; }
body.siltech-menu-open .siltech-hamburger span:nth-child(1) { top: 8px; transform: rotate(45deg); }
body.siltech-menu-open .siltech-hamburger span:nth-child(2) { opacity: 0; transform: scaleX(0); }
body.siltech-menu-open .siltech-hamburger span:nth-child(3) { top: 8px; transform: rotate(-45deg); }

/* ============================================================
   PRIMARY NAVIGATION
   ============================================================ */
.siltech-nav { display: flex; align-items: center; }

.siltech-menu {
    display: flex;
    align-items: center;
    gap: var(--sf-space-1);
    list-style: none;
}
.siltech-menu li { position: relative; }
.siltech-menu a {
    display: block;
    padding: 10px var(--sf-space-4);
    border-radius: var(--sf-radius-full);
    font-weight: 600;
    font-size: 14px;
    letter-spacing: .01em;
    transition: background var(--sf-transition), color var(--sf-transition);
    white-space: nowrap;
}
.siltech-menu a:hover,
.siltech-menu .current-menu-item > a,
.siltech-menu .current-page-ancestor > a {
    background: var(--sf-primary-light);
    color: var(--sf-primary);
}

/* Submenu */
.siltech-menu .sub-menu {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    min-width: 220px;
    background: var(--sf-surface);
    border: 1px solid var(--sf-line);
    border-radius: var(--sf-radius);
    box-shadow: var(--sf-shadow-md);
    padding: var(--sf-space-2);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-6px);
    transition: opacity var(--sf-transition), transform var(--sf-transition);
    z-index: var(--sf-z-raised);
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.siltech-menu li:hover > .sub-menu,
.siltech-menu li:focus-within > .sub-menu {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}
.siltech-menu .sub-menu a {
    border-radius: var(--sf-radius-sm);
    font-size: 14px;
    padding: 9px var(--sf-space-3);
    white-space: normal;
}

/* Mega menu */
.siltech-mega {
    border-top: 1px solid var(--sf-line);
    background: var(--sf-surface);
}

/* ============================================================
   BREADCRUMBS
   ============================================================ */
.siltech-breadcrumbs {
    width: min(calc(100% - var(--sf-space-8)), var(--sf-container));
    margin: var(--sf-space-5) auto 0;
    display: flex;
    gap: var(--sf-space-3);
    align-items: center;
    color: var(--sf-muted);
    font-size: var(--sf-text-sm);
    flex-wrap: wrap;
}
.siltech-breadcrumbs a { color: var(--sf-primary); }
.siltech-breadcrumbs span[aria-hidden] { color: var(--sf-line); }

/* ============================================================
   EYEBROW LABEL
   ============================================================ */
.siltech-eyebrow {
    display: inline-flex;
    letter-spacing: .14em;
    text-transform: uppercase;
    font-size: var(--sf-text-xs);
    font-weight: 800;
    color: var(--sf-gold);
    margin-bottom: var(--sf-space-4);
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.siltech-hero {
    min-height: 72svh;
    display: grid;
    align-items: center;
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(circle at 80% 20%, rgba(199,167,98,.22), transparent 32%),
        linear-gradient(135deg, #07110d, #173d30 58%, #0b1712);
    color: #fff;
}
.siltech-hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background:
        linear-gradient(90deg, rgba(0,0,0,.2), transparent),
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.07'/%3E%3C/svg%3E");
    pointer-events: none;
}
.siltech-hero-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(0, 720px);
    padding-block: var(--sf-space-24);
}
.siltech-hero h1 {
    font-size: var(--sf-text-4xl);
    letter-spacing: -.04em;
    margin-bottom: var(--sf-space-5);
}
.siltech-hero p {
    max-width: 680px;
    font-size: clamp(18px, 2vw, 22px);
    color: rgba(255,255,255,.82);
    margin-bottom: var(--sf-space-8);
    line-height: var(--sf-leading-relaxed);
}

/* Hero variants */
.siltech-hero--light {
    background: var(--sf-surface);
    color: var(--sf-dark);
}
.siltech-hero--light h1 { color: var(--sf-dark); }
.siltech-hero--light p  { color: var(--sf-muted); }

.siltech-hero--image { background-size: cover; background-position: center; }
.siltech-hero--image::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(7,17,13,.75), rgba(23,61,48,.5));
}

/* ============================================================
   BUTTONS
   ============================================================ */
.siltech-actions { display: flex; gap: var(--sf-space-3); flex-wrap: wrap; align-items: center; }

.siltech-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--sf-space-2);
    min-height: 48px;
    padding: 12px var(--sf-space-6);
    border-radius: var(--sf-radius-full);
    font-weight: 800;
    font-size: 15px;
    border: none;
    transition: transform var(--sf-transition), box-shadow var(--sf-transition), background var(--sf-transition);
    cursor: pointer;
    white-space: nowrap;
    text-decoration: none;
}
.siltech-btn:hover { transform: translateY(-2px); }
.siltech-btn:active { transform: translateY(0); }

.siltech-btn--sm { min-height: 38px; padding: 8px var(--sf-space-5); font-size: 13px; }
.siltech-btn--lg { min-height: 56px; padding: 14px var(--sf-space-8); font-size: 17px; }

.siltech-btn-primary {
    background: var(--sf-gold);
    color: #10140f;
    box-shadow: var(--sf-shadow-gold);
}
.siltech-btn-primary:hover { background: var(--sf-gold-2); color: #10140f; }

.siltech-btn-dark {
    background: var(--sf-primary);
    color: #fff;
    box-shadow: var(--sf-shadow-primary);
}
.siltech-btn-dark:hover { background: var(--sf-primary-2); color: #fff; }

.siltech-btn-ghost {
    border: 1.5px solid rgba(255,255,255,.35);
    color: #fff;
    background: transparent;
}
.siltech-btn-ghost:hover { background: rgba(255,255,255,.1); color: #fff; }

.siltech-btn-light {
    background: var(--sf-surface);
    color: var(--sf-primary-2);
    box-shadow: var(--sf-shadow-sm);
}
.siltech-btn-light:hover { background: var(--sf-surface-2); }

.siltech-btn-outline {
    border: 1.5px solid var(--sf-primary);
    color: var(--sf-primary);
    background: transparent;
}
.siltech-btn-outline:hover { background: var(--sf-primary-light); }

/* ============================================================
   CARDS
   ============================================================ */
.siltech-card-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--sf-space-6);
}
.siltech-card-grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.siltech-card-grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.siltech-card-grid--auto { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }

.siltech-card {
    background: var(--sf-glass-bg);
    border: 1px solid var(--sf-line);
    border-radius: var(--sf-radius-lg);
    box-shadow: var(--sf-shadow);
    padding: var(--sf-space-8);
    backdrop-filter: var(--sf-glass-blur-sm);
    -webkit-backdrop-filter: var(--sf-glass-blur-sm);
    transition: transform var(--sf-transition), box-shadow var(--sf-transition);
}
.siltech-card:hover { transform: translateY(-4px); box-shadow: var(--sf-shadow-md); }

.siltech-card h3 {
    font-size: var(--sf-text-xl);
    margin-top: 0;
    margin-bottom: var(--sf-space-3);
}
.siltech-card p { color: var(--sf-muted); line-height: var(--sf-leading-relaxed); }

.siltech-card--flat {
    background: var(--sf-surface);
    backdrop-filter: none;
}
.siltech-card--dark {
    background: var(--sf-dark-2);
    color: rgba(255,255,255,.9);
    border-color: rgba(255,255,255,.08);
}
.siltech-card--dark p { color: rgba(255,255,255,.65); }
.siltech-card--dark h3 { color: #fff; }

.siltech-card--accent {
    background: linear-gradient(135deg, var(--sf-primary), var(--sf-primary-2));
    color: #fff;
    border: none;
}
.siltech-card--accent h3 { color: #fff; }
.siltech-card--accent p  { color: rgba(255,255,255,.8); }

/* Icon card */
.siltech-card-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--sf-radius);
    background: var(--sf-primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--sf-primary);
    font-size: 24px;
    margin-bottom: var(--sf-space-5);
    flex-shrink: 0;
}

/* ============================================================
   CTA SECTION
   ============================================================ */
.siltech-cta {
    padding-block: 74px;
    background: linear-gradient(135deg, var(--sf-primary-2), var(--sf-primary));
    color: #fff;
    position: relative;
    overflow: hidden;
}
.siltech-cta::before {
    content: "";
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='60'%3E%3Ccircle cx='30' cy='30' r='1' fill='rgba(255,255,255,.06)'/%3E%3C/svg%3E");
}
.siltech-cta-inner {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--sf-space-8);
}
.siltech-cta h2 {
    font-size: clamp(30px, 4vw, 52px);
    margin: 0;
}
.siltech-cta p { color: rgba(255,255,255,.8); margin-top: var(--sf-space-3); }

/* ============================================================
   CONTENT LAYOUT (sidebar)
   ============================================================ */
.siltech-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: var(--sf-space-10);
    padding-block: var(--sf-space-16);
}
.siltech-content {
    background: var(--sf-surface);
    border: 1px solid var(--sf-line);
    border-radius: var(--sf-radius-lg);
    padding: clamp(24px, 4vw, 48px);
    box-shadow: var(--sf-shadow);
    min-width: 0;
}
.entry-title {
    font-family: var(--sf-font-head);
    font-size: clamp(34px, 5vw, 64px);
    letter-spacing: -.03em;
    margin-bottom: var(--sf-space-6);
    line-height: 1.08;
}
.entry-content {
    font-size: var(--sf-text-base);
    line-height: var(--sf-leading-relaxed);
    color: var(--sf-dark);
}
.entry-content a { color: var(--sf-primary); text-decoration: underline; text-underline-offset: 3px; }
.entry-content h2, .entry-content h3 { margin-top: var(--sf-space-8); margin-bottom: var(--sf-space-4); }
.entry-content p, .entry-content ul, .entry-content ol { margin-bottom: var(--sf-space-5); }
.entry-content ul, .entry-content ol { padding-left: var(--sf-space-6); list-style: revert; }
.entry-content img { border-radius: var(--sf-radius); margin-block: var(--sf-space-6); }
.entry-content blockquote {
    border-left: 4px solid var(--sf-primary);
    padding-left: var(--sf-space-5);
    color: var(--sf-muted);
    font-style: italic;
    margin-block: var(--sf-space-6);
}

/* Sidebar / widget */
.siltech-widget {
    background: var(--sf-surface);
    border: 1px solid var(--sf-line);
    border-radius: var(--sf-radius-lg);
    box-shadow: var(--sf-shadow);
    padding: var(--sf-space-6);
    margin-bottom: var(--sf-space-6);
}
.widget-title {
    font-family: var(--sf-font-head);
    font-size: var(--sf-text-xl);
    margin-bottom: var(--sf-space-4);
}

/* ============================================================
   POST GRID / ARCHIVE
   ============================================================ */
.siltech-post-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--sf-space-6);
}

.siltech-post-card {
    background: var(--sf-surface);
    border: 1px solid var(--sf-line);
    border-radius: var(--sf-radius-lg);
    box-shadow: var(--sf-shadow);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform var(--sf-transition), box-shadow var(--sf-transition);
}
.siltech-post-card:hover { transform: translateY(-4px); box-shadow: var(--sf-shadow-md); }

.siltech-post-card img {
    width: 100%;
    aspect-ratio: 16/10;
    object-fit: cover;
    border-radius: 0;
    display: block;
}
.siltech-post-card-body { padding: var(--sf-space-6); flex: 1; display: flex; flex-direction: column; gap: var(--sf-space-3); }
.siltech-post-card h2 {
    font-size: var(--sf-text-xl);
    margin: 0;
    line-height: var(--sf-leading-snug);
}
.siltech-post-card h2 a { color: var(--sf-dark); }
.siltech-post-card h2 a:hover { color: var(--sf-primary); }
.siltech-post-card p { color: var(--sf-muted); font-size: 15px; flex: 1; }

.siltech-post-meta {
    display: flex;
    gap: var(--sf-space-3);
    font-size: var(--sf-text-sm);
    color: var(--sf-muted);
    align-items: center;
    flex-wrap: wrap;
}
.siltech-post-category {
    display: inline-block;
    padding: 3px var(--sf-space-3);
    background: var(--sf-primary-light);
    color: var(--sf-primary);
    border-radius: var(--sf-radius-full);
    font-size: var(--sf-text-xs);
    font-weight: 700;
    letter-spacing: .04em;
    text-transform: uppercase;
}

.siltech-pagination { margin-top: var(--sf-space-10); }
.siltech-pagination .nav-links { display: flex; gap: var(--sf-space-2); align-items: center; flex-wrap: wrap; }
.siltech-pagination .page-numbers {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--sf-radius-full);
    border: 1px solid var(--sf-line);
    font-weight: 700;
    font-size: 14px;
    color: var(--sf-dark);
    transition: background var(--sf-transition), color var(--sf-transition);
}
.siltech-pagination .page-numbers:hover,
.siltech-pagination .page-numbers.current {
    background: var(--sf-primary);
    color: #fff;
    border-color: var(--sf-primary);
}

/* ============================================================
   FAQ ACCORDION
   ============================================================ */
.siltech-faq { display: flex; flex-direction: column; gap: var(--sf-space-3); }

.siltech-faq-item {
    background: var(--sf-surface);
    border: 1px solid var(--sf-line);
    border-radius: var(--sf-radius);
    overflow: hidden;
    transition: box-shadow var(--sf-transition);
}
.siltech-faq-item.is-open { box-shadow: var(--sf-shadow-sm); border-color: var(--sf-primary); }

.siltech-faq-trigger {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--sf-space-4);
    padding: var(--sf-space-5) var(--sf-space-6);
    background: transparent;
    border: none;
    font-weight: 700;
    font-size: var(--sf-text-base);
    text-align: left;
    color: var(--sf-dark);
    cursor: pointer;
    transition: color var(--sf-transition);
}
.siltech-faq-item.is-open .siltech-faq-trigger { color: var(--sf-primary); }

.siltech-faq-icon {
    width: 28px;
    height: 28px;
    border-radius: var(--sf-radius-full);
    background: var(--sf-surface-2);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 18px;
    line-height: 1;
    transition: transform var(--sf-transition), background var(--sf-transition);
}
.siltech-faq-item.is-open .siltech-faq-icon {
    transform: rotate(45deg);
    background: var(--sf-primary-light);
    color: var(--sf-primary);
}

.siltech-faq-body {
    padding: 0 var(--sf-space-6) var(--sf-space-5);
    color: var(--sf-muted);
    line-height: var(--sf-leading-relaxed);
    display: none;
}
.siltech-faq-body[open] { display: block; }

/* ============================================================
   GALLERY GRID
   ============================================================ */
.siltech-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: var(--sf-space-4);
}
.siltech-gallery a {
    display: block;
    border-radius: var(--sf-radius);
    overflow: hidden;
}
.siltech-gallery img {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
    transition: transform var(--sf-transition-slow);
}
.siltech-gallery a:hover img { transform: scale(1.04); }

/* ============================================================
   SITE FOOTER
   ============================================================ */
.siltech-site-footer {
    padding: 70px 0 30px;
    background: #07110d;
    color: rgba(255,255,255,.82);
}
.siltech-footer-grid,
.siltech-footer-widgets {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--sf-space-8);
    margin-bottom: var(--sf-space-10);
}
.siltech-site-footer h2,
.siltech-site-footer h3 {
    color: #fff;
    font-family: var(--sf-font-head);
    margin-bottom: var(--sf-space-4);
}
.siltech-site-footer p { color: rgba(255,255,255,.65); line-height: var(--sf-leading-relaxed); }
.siltech-site-footer a { color: rgba(255,255,255,.75); transition: color var(--sf-transition); }
.siltech-site-footer a:hover { color: var(--sf-gold); }

.siltech-footer-menu ul,
.siltech-menu-footer {
    list-style: none;
    display: flex;
    gap: var(--sf-space-4);
    flex-wrap: wrap;
    padding: 0;
    margin: var(--sf-space-8) 0;
}

.siltech-copyright {
    border-top: 1px solid rgba(255,255,255,.1);
    padding-top: var(--sf-space-5);
    color: rgba(255,255,255,.55);
    font-size: 14px;
}

/* Footer social links */
.siltech-social {
    display: flex;
    gap: var(--sf-space-3);
    margin-top: var(--sf-space-5);
}
.siltech-social a {
    width: 40px;
    height: 40px;
    border-radius: var(--sf-radius-full);
    border: 1px solid rgba(255,255,255,.15);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    transition: background var(--sf-transition), border-color var(--sf-transition);
}
.siltech-social a:hover {
    background: var(--sf-gold);
    border-color: var(--sf-gold);
    color: #10140f;
}

/* ============================================================
   GLASSMORPHISM UTILITIES
   ============================================================ */
.sf-glass {
    background: var(--sf-glass-bg);
    backdrop-filter: var(--sf-glass-blur);
    -webkit-backdrop-filter: var(--sf-glass-blur);
    border: var(--sf-glass-border);
    border-radius: var(--sf-radius-lg);
}
.sf-glass--dark {
    background: var(--sf-glass-dark);
    border: var(--sf-glass-border-dark);
    color: rgba(255,255,255,.9);
}
.sf-glass--light {
    background: var(--sf-glass-bg-2);
    backdrop-filter: var(--sf-glass-blur-sm);
    -webkit-backdrop-filter: var(--sf-glass-blur-sm);
}

/* ============================================================
   ANIMATION UTILITIES
   ============================================================ */
.sf-animate {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity .6s var(--sf-ease-out), transform .6s var(--sf-ease-out);
}
.sf-animate.sf-visible { opacity: 1; transform: translateY(0); }
.sf-animate--delay-1 { transition-delay: .1s; }
.sf-animate--delay-2 { transition-delay: .2s; }
.sf-animate--delay-3 { transition-delay: .3s; }
.sf-animate--delay-4 { transition-delay: .4s; }

.sf-animate--fade {
    transform: none;
    transition: opacity .6s var(--sf-ease-out);
}

@keyframes sf-spin    { to { transform: rotate(360deg); } }
@keyframes sf-pulse   { 0%,100% { opacity: 1; } 50% { opacity: .5; } }
@keyframes sf-bounce  { 0%,100% { transform: translateY(-4px); } 50% { transform: translateY(0); } }
@keyframes sf-fade-up { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } }
@keyframes sf-scale-in { from { opacity: 0; transform: scale(.94); } to { opacity: 1; transform: scale(1); } }

.sf-anim-fade-up  { animation: sf-fade-up  .6s var(--sf-ease-out) both; }
.sf-anim-scale-in { animation: sf-scale-in .5s var(--sf-ease-spring) both; }

/* ============================================================
   BADGE / TAG UTILITIES
   ============================================================ */
.siltech-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--sf-space-1);
    padding: 4px var(--sf-space-3);
    border-radius: var(--sf-radius-full);
    font-size: var(--sf-text-xs);
    font-weight: 700;
    letter-spacing: .06em;
    text-transform: uppercase;
    background: var(--sf-primary-light);
    color: var(--sf-primary);
}
.siltech-badge--gold   { background: var(--sf-gold-light); color: var(--sf-gold-2); }
.siltech-badge--error  { background: rgba(198,40,40,.1);   color: var(--sf-error); }
.siltech-badge--success { background: rgba(46,125,50,.1);  color: var(--sf-success); }

/* ============================================================
   WOOCOMMERCE BASICS
   ============================================================ */
.woocommerce ul.products li.product,
.woocommerce-page ul.products li.product {
    background: var(--sf-surface);
    border-radius: var(--sf-radius-lg);
    padding: var(--sf-space-5);
    box-shadow: var(--sf-shadow);
    border: 1px solid var(--sf-line);
}

/* ============================================================
   UTILITY CLASSES
   ============================================================ */
.sf-text-center { text-align: center; }
.sf-text-muted  { color: var(--sf-muted); }
.sf-text-primary { color: var(--sf-primary); }
.sf-text-gold   { color: var(--sf-gold); }
.sf-mt-0 { margin-top: 0 !important; }
.sf-mb-0 { margin-bottom: 0 !important; }
.sf-hidden { display: none !important; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1100px) {
    .siltech-card-grid--4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
    /* ── Z-INDEX STACKING FIX ──────────────────────────────────
       The header has position:sticky + z-index:60 which creates
       a stacking context. The overlay (outside header, z-index:9998)
       would normally paint OVER the header (60), covering the nav panel.
       FIX: raise the header stacking context above the overlay on mobile.
    ─────────────────────────────────────────────────────────── */
    .siltech-site-header {
        z-index: 10000 !important; /* beats overlay (9998); nav+hamburger are inside → also above overlay */
    }

    /* Show hamburger; it sits inside header context (10000) → above overlay (9998) */
    .siltech-menu-toggle {
        display: inline-flex;
        z-index: 10001; /* above nav panel within same header context */
    }

    /* ── Mobile slide-in panel ──────────────────────────────────
       z-index: 9999 — within header stacking context (10000);
       ABOVE overlay (9998 at document level, but header at 10000 wins).
       Panel is always solid dark glassmorphism, independent of
       the transparent header background.
    ─────────────────────────────────────────────────────────── */
    .siltech-nav {
        position: fixed !important;
        top: 0 !important;
        right: 0 !important;
        bottom: 0 !important;
        width: min(360px, 86vw) !important;
        height: 100vh !important;

        /* Glassmorphism dark panel */
        background: rgba(7,16,12,.93) !important;
        backdrop-filter: blur(28px) !important;
        -webkit-backdrop-filter: blur(28px) !important;
        border-left: 1px solid rgba(201,163,90,.14) !important;
        box-shadow: -6px 0 80px rgba(0,0,0,.70),
                    inset 1px 0 0 rgba(255,255,255,.04) !important;

        padding: 96px 28px 32px !important;
        overflow-y: auto !important;
        overflow-x: hidden !important;
        -webkit-overflow-scrolling: touch;

        /* Slide from right — closed by default */
        transform: translateX(100%) !important;
        opacity: 1 !important;
        visibility: visible !important;
        pointer-events: auto !important;
        transition: transform .3s ease !important;

        z-index: 9999 !important;

        flex-direction: column !important;
        align-items: stretch !important;
    }

    /* Open: driven by body class (JS adds siltech-menu-open to body) */
    body.siltech-menu-open .siltech-nav,
    .siltech-nav.is-open {
        transform: translateX(0) !important;
    }

    /* ── Menu list ──────────────────────────────────────────── */
    .siltech-nav .siltech-menu {
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        list-style: none;
        padding: 0;
        margin: 0;
    }

    /* ── Menu links — forced white, never black ─────────────── */
    .siltech-nav .siltech-menu li { position: static; }

    /* Ultra-broad safety net — covers any WP nav-generated markup */
    .siltech-nav ul li a { color: #ffffff !important; }

    .siltech-nav .siltech-menu a,
    .siltech-nav .siltech-menu a:link,
    .siltech-nav .siltech-menu a:visited {
        display: flex;
        align-items: center;
        color: #ffffff !important;
        background: transparent;
        font-size: 17px;
        font-weight: 700;
        letter-spacing: .01em;
        padding: 15px var(--sf-space-4);
        border-bottom: 1px solid rgba(255,255,255,.07);
        border-radius: 0;
        white-space: normal;
        text-decoration: none;
        opacity: 1;
        visibility: visible;
        transition: color var(--sf-transition), background var(--sf-transition),
                    padding-left var(--sf-transition);
    }
    .siltech-nav .siltech-menu a:hover,
    .siltech-nav .siltech-menu a:focus,
    .siltech-nav .siltech-menu .current-menu-item > a,
    .siltech-nav .siltech-menu .current-page-ancestor > a {
        color: #c9a35a !important;
        background: rgba(201,163,90,.08);
        padding-left: 22px;
        border-bottom-color: rgba(201,163,90,.18);
    }

    /* ── Submenus ───────────────────────────────────────────── */
    .siltech-nav .siltech-menu .sub-menu {
        position: static !important;
        display: block;
        opacity: 1 !important;
        visibility: visible !important;
        pointer-events: auto;
        transform: none !important;
        box-shadow: none;
        border: none;
        background: rgba(255,255,255,.04);
        border-radius: 0;
        padding: 0;
        margin: 0;
    }
    .siltech-nav .siltech-menu .sub-menu a,
    .siltech-nav .siltech-menu .sub-menu a:link,
    .siltech-nav .siltech-menu .sub-menu a:visited {
        color: rgba(255,255,255,.75) !important;
        font-size: 14px;
        font-weight: 500;
        padding: 11px var(--sf-space-4) 11px 28px;
    }
    .siltech-nav .siltech-menu .sub-menu a:hover {
        color: #c9a35a !important;
        background: rgba(201,163,90,.08);
        padding-left: 34px;
    }

    /* ── Grid & layout resets ───────────────────────────────── */
    .siltech-card-grid,
    .siltech-post-grid,
    .siltech-footer-grid,
    .siltech-footer-widgets { grid-template-columns: 1fr; }
    .siltech-card-grid--2   { grid-template-columns: 1fr; }
    .siltech-layout         { grid-template-columns: 1fr; }
    .siltech-cta-inner      { flex-direction: column; align-items: flex-start; }
    .siltech-header-inner   { min-height: 72px; }
}

@media (max-width: 600px) {
    .siltech-section { padding-block: var(--sf-space-12); }
    .siltech-hero-grid { padding-block: var(--sf-space-16); }
    .siltech-actions { flex-direction: column; align-items: flex-start; }
    .siltech-btn { width: 100%; justify-content: center; }
}

/* ============================================================
   PRINT
   ============================================================ */
@media print {
    .siltech-site-header,
    .siltech-site-footer,
    .siltech-nav-overlay,
    .siltech-cta,
    .siltech-breadcrumbs,
    .skip-link { display: none !important; }
    body { background: #fff; color: #000; }
    a { color: inherit; text-decoration: underline; }
}

/* ============================================================
   REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: .01ms !important;
        transition-duration: .01ms !important;
        scroll-behavior: auto !important;
    }
    .sf-animate { opacity: 1; transform: none; }
}