/*
Theme Name: Chiyodakogyo
Text Domain: 
Theme URI: 
Description: 
Version: 1.99
Author: Webleaf
*/

/*
 * Frontend Design Skill Applied: Industrial / Refined
 * Tone: Industrial / Refined
 * Differentiation Anchor: 堅牢なインフラ企業らしい直線の強さと、水をイメージしたアクセントの流体効果をスクロールに連動させて表現する。
 */

:root {
    /* Color Palette */
    --color-bg: #f4f6f8;
    /* Steel Gray Basis */
    --color-bg-dark: #0b192c;
    /* Deep Navy */
    --color-text: #1a1f2e;
    /* Almost Black */
    --color-text-light: #94a3b8;
    /* Muted Gray */
    --color-accent: #00d2ff;
    /* Aqua Blue */
    --color-accent-hover: #00a8cc;
    /* Darker Aqua */
    --color-white: #ffffff;

    /* Typography */
    --font-display: 'Noto Sans JP', sans-serif;
    /* Fallback for Syncopate/Display */
    --font-body: 'Noto Sans JP', sans-serif;

    /* Spacing & Layout */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 8rem;

    /* Responsive Spacing specifically for mobile edges */
    --space-edge: var(--space-md);

    /* Motion */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

/* Base Reset & Typography */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

img,
video,
canvas,
svg {
    max-width: 100%;
    height: auto;
}

body {
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-body);
    font-weight: 400;
    line-height: 1.8;
    letter-spacing: 0.04em;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-display);
    font-weight: 900;
    line-height: 1.3;
    letter-spacing: 0.02em;
    margin-top: 1em;
    margin-bottom: 0.75em;
    color: var(--color-bg-dark);
}

p {
    margin-bottom: 1.5em;
}

ul,
ol {
    margin-bottom: 1.5em;
    padding-left: 1.5rem;
}

li {
    margin-bottom: 0.5em;
}

/* Industrial themed list marker */
ul {
    list-style: none;
}

ul li {
    position: relative;
}

ul li::before {
    content: '';
    position: absolute;
    left: -1rem;
    top: 0.6em;
    width: 6px;
    height: 6px;
    background-color: var(--color-accent);
}


a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-edge);
}

/* Components - Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2.5rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background-color: var(--color-bg-dark);
    color: var(--color-white);
}

.btn-primary:hover {
    background-color: var(--color-accent);
    transform: translateY(-2px);
}

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--color-text);
    color: var(--color-text);
}

.btn-outline:hover {
    background-color: var(--color-bg-dark);
    color: var(--color-white);
    border-color: var(--color-bg-dark);
}

.btn-outline-white {
    background-color: transparent;
    border: 2px solid var(--color-white);
    color: var(--color-white);
}

.btn-outline-white:hover {
    background-color: var(--color-white);
    color: var(--color-bg-dark);
}

.btn-sm {
    padding: 0.5rem 1.25rem;
    font-size: 0.875rem;
}

/* Header */
.global-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background: rgba(244, 246, 248, 0.8);
    backdrop-filter: blur(12px);
    transition: transform 0.4s ease, background 0.4s ease;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.global-header.is-scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm) var(--space-md);
    max-width: 1440px;
    margin: 0 auto;
}

.logo {
    margin: 0;
    padding: 0;
    line-height: 1;
}

.logo img {
    height: 48px;
    width: auto;
}

/* Navigation */
.global-nav-list {
    display: flex;
    align-items: center;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: var(--space-md);
}

.global-nav-list li {
    margin: 0;
    padding: 0;
}

.global-nav-list li::before,
.menu-root ul li::before {
    content: none;
    display: none;
}

.global-nav a {
    font-family: 'Syncopate', var(--font-display);
    font-weight: 700;
    font-size: 0.9rem;
    letter-spacing: 0.1em;
    position: relative;
    padding-bottom: 4px;
}

.global-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: width var(--transition-fast);
}

.global-nav a:hover::after,
.global-nav a.active::after {
    width: 100%;
}

.menu-toggle {
    display: none;
    background: transparent;
    border: none;
    cursor: pointer;
    width: 44px;
    height: 44px;
    position: relative;
    z-index: 9999;
}

.menu-toggle .bar {
    position: absolute;
    left: 6px;
    width: 32px;
    height: 2px;
    background-color: var(--color-bg-dark);
    transition: var(--transition-fast);
}

.menu-toggle .bar:first-child {
    top: 14px;
}

.menu-toggle .bar:last-child {
    bottom: 14px;
}


/* Hero Section */
.hero-section {
    min-height: 100vh;
    padding-top: 120px;
    display: flex;
    align-items: center;
    overflow: hidden;
    position: relative;
    width: 100%;
}

.hero-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding: 0 var(--space-md) 0 10vw;
    z-index: 10;
    text-align: left !important;
    width: 50%;
    position: relative;
}

.hero-subtitle {
    font-family: 'Syncopate', sans-serif;
    color: var(--color-accent);
    font-weight: 700;
    letter-spacing: 0.2em;
    margin-bottom: var(--space-sm);
    font-size: 0.9rem;
}

.home-hero-title {
    margin-top: 0;
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    margin-bottom: var(--space-md);
    color: var(--color-bg-dark);
}

.hero-desc {
    font-size: 1.125rem;
    color: var(--color-text-light);
    margin-bottom: var(--space-lg);
    max-width: 500px;
}

.text-accent {
    color: var(--color-accent);
}

/* Water Effect Abstract shape */
.hero-visual {
    position: absolute;
    right: -10%;
    top: 50%;
    transform: translateY(-50%);
    width: 60vw;
    height: 120vh;
    background: var(--color-bg-dark);
    clip-path: polygon(20% 0, 100% 0, 100% 100%, 0 100%);
    z-index: 1;
}

.water-effect {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(0, 210, 255, 0.1) 0%, rgba(11, 25, 44, 0) 100%);
}

/* Excellence Section */
.section-excellence {
    padding: var(--space-xl) 0;
    background-color: var(--color-white);
}

.grid-excellence {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    align-items: center;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: var(--space-md);
    color: var(--color-bg-dark);
    position: relative;
}

.section-title::before {
    content: '';
    position: absolute;
    top: -1rem;
    left: 0;
    width: 40px;
    height: 4px;
    background-color: var(--color-accent);
}

.section-title.text-center::before {
    left: 50%;
    transform: translateX(-50%);
}

/* Bento Grid */
.section-showcase {
    padding: var(--space-xl) 0;
}

.bento-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: 280px;
    gap: 16px;
    margin-top: var(--space-lg);
}

.bento-item {
    background-color: var(--color-bg-dark);
    border-radius: 4px;
    /* Minimal industrial style */
    padding: var(--space-md);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: flex-end;
    color: var(--color-white);
    transition: transform var(--transition-smooth);
}

.bento-item::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(0deg, rgba(11, 25, 44, 0.9) 0%, rgba(11, 25, 44, 0) 100%);
    z-index: 1;
}

.bento-content {
    position: relative;
    z-index: 2;
    transform: translateY(10px);
    transition: transform var(--transition-fast);
}

.bento-content h4 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: #fff;
}

.bento-content p {
    color: var(--color-text-light);
    font-size: 0.9rem;
    opacity: 1;
    transition: opacity var(--transition-fast);
}

.bento-item.span-2 {
    grid-column: span 2;
}

.bento-item.span-row-2 {
    grid-row: span 2;
}

/* Grid Hover Effects */
.hover-lift:hover {
    transform: scale(0.98);
}

.hover-lift:hover .bento-content {
    transform: translateY(0);
}

.hover-lift:hover .bento-content p {
    opacity: 1;
}

/* Products Page specific */
.page-header {
    padding: 180px 0 var(--space-lg);
    background-color: var(--color-bg-dark);
    color: var(--color-white);
    text-align: center;
}

.page-title {
    font-size: clamp(3rem, 6vw, 5rem);
    letter-spacing: 0.1em;
    font-family: 'Syncopate', sans-serif;
}

.page-desc {
    color: var(--color-accent);
    margin-top: var(--space-sm);
    font-weight: 500;
}

.product-filters {
    background-color: var(--color-white);
    padding: var(--space-md) 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.filter-list {
    display: flex;
    justify-content: center;
    list-style: none;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.filter-btn {
    background: transparent;
    border: none;
    padding: 0.5rem 1rem;
    font-weight: 700;
    cursor: pointer;
    color: var(--color-text-light);
    transition: var(--transition-fast);
    border-bottom: 2px solid transparent;
}

.filter-btn:hover,
.filter-btn.active {
    color: var(--color-bg-dark);
    border-color: var(--color-accent);
}

/* Product Grid Layout */
.product-main {
    padding: var(--space-xl) 0;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--space-lg);
}

.product-card {
    background: var(--color-white);
    display: flex;
    flex-direction: column;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
    transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

.product-visual {
    position: relative;
    aspect-ratio: 4/3;
    background-color: var(--color-bg);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s ease;
}

/* Image fallback styling */
img.error {
    object-fit: contain;
    width: 50%;
    opacity: 0.3;
}

.product-card:hover .product-visual img {
    transform: scale(1.05);
}

.product-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background-color: var(--color-accent);
    color: var(--color-bg-dark);
    font-size: 0.75rem;
    font-weight: 900;
    padding: 0.25rem 0.5rem;
    letter-spacing: 0.1em;
}

.product-info {
    padding: var(--space-sm) var(--space-md) var(--space-md);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.product-name {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.product-summary {
    color: var(--color-text-light);
    font-size: 0.9rem;
    margin-bottom: var(--space-md);
    flex: 1;
}

/* Lazy Load Class */
.js-lazy-image {
    opacity: 0;
    transition: opacity 0.6s ease-out;
}

.js-lazy-image.is-loaded {
    opacity: 1;
}

/* CTA Section */
.section-cta {
    margin: var(--space-xl) auto;
}

.cta-box {
    background-color: var(--color-bg-dark);
    color: var(--color-white);
    padding: var(--space-lg);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-box::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background: linear-gradient(45deg, transparent 40%, rgba(0, 210, 255, 0.1) 60%, transparent 80%);
    pointer-events: none;
}

.cta-box h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: #fff;
}

.cta-box p {
    color: var(--color-text-light);
    margin-bottom: var(--space-md);
}

.cta-actions {
    display: flex;
    gap: var(--space-sm);
    justify-content: center;
}

/* Footer */
.global-footer {
    background-color: #121620;
    /* Very dark */
    color: var(--color-white);
    padding: var(--space-xl) 0 var(--space-md);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--space-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: var(--space-lg);
    margin-bottom: var(--space-md);
}

.footer-brand h2 {
    font-family: 'Syncopate', sans-serif;
    margin-bottom: var(--space-sm);
}

.footer-brand p {
    color: var(--color-text-light);
    font-size: 0.9rem;
}

.footer-links ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    color: var(--color-text-light);
}

.footer-links a:hover {
    color: var(--color-accent);
}

.footer-bottom {
    text-align: center;
    color: #475569;
    font-size: 0.8rem;
}

/* Animations */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-right {
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.is-visible {
    opacity: 1;
    transform: translate(0, 0);
    color: #fff;
}

.delay-1 {
    transition-delay: 0.1s;
}

.delay-2 {
    transition-delay: 0.2s;
}

.delay-3 {
    transition-delay: 0.3s;
}

/* Mobile Drawer Base */
.mobile-drawer,
.mobile-drawer-overlay {
    display: none;
}

/* Responsive */
@media (max-width: 1024px) {
    .bento-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --space-md: 1.5rem;
        --space-edge: 1rem;
    }

    html,
    body {
        overflow-x: hidden;
        width: 100%;
    }

    .page-title {
        font-size: clamp(1.75rem, 6vw, 2.5rem);
        word-break: auto-phrase;
        overflow-wrap: break-word;
    }

    .contents {
        width: 100%;
        max-width: 100%;
        overflow-x: auto;
    }

    .hero-section {
        flex-direction: column;
        padding-top: 100px;
    }

    .hero-content {
        width: 100%;
        padding: var(--space-md);
        text-align: center !important;
        align-items: center;
    }

    .hero-subtitle,
    .home-hero-title,
    .hero-desc,
    .hero-action {
        text-align: center !important;
    }

    .hero-visual {
        position: relative;
        right: auto;
        top: auto;
        transform: none;
        width: 100%;
        height: 40vh;
        clip-path: none;
    }


    .grid-excellence {
        grid-template-columns: 1fr;
    }

    .bento-grid {
        grid-template-columns: 1fr;
        grid-auto-rows: 240px;
    }

    .bento-item.span-2,
    .bento-item.span-row-2 {
        grid-column: span 1;
        grid-row: span 1;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }

    .cta-actions {
        flex-direction: column;
    }

    /* Mobile Menu */
    .menu-toggle {
        display: block;
    }

    .global-nav {
        display: none;
    }

    .sidebar {
        display: none;
    }

    .mobile-drawer {
        display: block;
        position: fixed;
        top: 0;
        right: -100%;
        width: 300px;
        height: 100vh;
        background-color: var(--color-white);
        z-index: 99;
        transition: right var(--transition-smooth);
        box-shadow: -4px 0 20px rgba(0, 0, 0, 0.1);
        overflow-y: auto;
        padding-top: 80px;
    }

    .mobile-drawer.is-active {
        right: 0;
    }

    .mobile-drawer-inner {
        padding: 0 var(--space-md) var(--space-xl);
    }

    .mobile-drawer-inner .menu-root ul li a {
        font-size: 1rem;
        padding: 0.8rem 0;
    }

    .mobile-drawer-inner .accordion-header {
        font-size: 1rem;
        padding: 1.2rem 0;
    }

    .mobile-drawer-inner .accordion-content ul li a {
        font-size: 0.95rem;
        padding: 0.8rem 1rem;
    }

    .mobile-drawer-overlay {
        display: block;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background-color: rgba(11, 25, 44, 0.5);
        z-index: 98;
        opacity: 0;
        visibility: hidden;
        transition: opacity var(--transition-fast), visibility var(--transition-fast);
    }

    .mobile-drawer-overlay.is-active {
        opacity: 1;
        visibility: visible;
    }

    .menu-toggle.is-active .bar {
        background-color: var(--color-bg-dark);
    }

    .menu-toggle.is-active .bar:first-child {
        transform: translateY(8px) rotate(45deg);
    }

    .menu-toggle.is-active .bar:last-child {
        transform: translateY(-8px) rotate(-45deg);
    }
}

/* Sidebar Navigation & Accordion (Industrial Design) */
.sidebar {
    position: sticky;
    top: 100px;
    height: fit-content;
    background: var(--color-white);
    padding: var(--space-sm);
    border-radius: 4px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    max-height: calc(100vh - 120px);
    overflow-y: auto;
}

.sidebar-title {
    font-family: 'Syncopate', sans-serif;
    font-size: 1rem;
    color: var(--color-bg-dark);
    margin-bottom: var(--space-sm);
    padding: var(--space-sm);
    border-bottom: 2px solid var(--color-bg);
    letter-spacing: 0.1em;
}

.menu-root {
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px dashed #e2e8f0;
}

.menu-root ul {
    list-style: none;
    padding: 0;
}

.menu-root ul li a {
    display: block;
    padding: 0.75rem var(--space-sm);
    color: var(--color-bg-dark);
    font-weight: 700;
    font-size: 0.9rem;
    text-decoration: none;
    transition: all var(--transition-fast);
    border-left: 3px solid transparent;
}

.menu-root ul li a:hover {
    color: var(--color-accent);
    background-color: rgba(0, 210, 255, 0.05);
    border-color: var(--color-accent);
}

.accordion-header {
    width: 100%;
    text-align: left;
    padding: 1rem var(--space-sm);
    background: none;
    border: none;
    border-bottom: 1px solid var(--color-bg);
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--color-bg-dark);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all var(--transition-fast);
}

.accordion-header:hover {
    color: var(--color-accent);
    background-color: #f8fafc;
}

.accordion-header.is-active {
    color: var(--color-accent);
    border-bottom-color: var(--color-accent);
}

.accordion-icon {
    position: relative;
    width: 12px;
    height: 12px;
}

.accordion-icon::before,
.accordion-icon::after {
    content: '';
    position: absolute;
    background-color: currentColor;
    transition: transform var(--transition-fast);
}

.accordion-icon::before {
    top: 5px;
    left: 0;
    width: 12px;
    height: 2px;
}

.accordion-icon::after {
    top: 0;
    left: 5px;
    width: 2px;
    height: 12px;
}

.accordion-header.is-active .accordion-icon::after {
    transform: rotate(90deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-smooth);
    background-color: #f8fafc;
}

.accordion-content ul {
    list-style: none;
    padding: 0.5rem 0;
}

.accordion-content ul li a {
    display: block;
    padding: 0.5rem var(--space-md);
    color: var(--color-text-light);
    font-size: 0.85rem;
    text-decoration: none;
    transition: all var(--transition-fast);
    line-height: 1.4;
    border-left: 2px solid transparent;
}

.accordion-content ul li a:hover {
    color: var(--color-accent);
    background-color: var(--color-white);
    border-color: var(--color-accent);
}

.address-box {
    margin-top: 2rem;
    padding: 1rem;
    background-color: var(--color-bg);
    border-radius: 4px;
    font-size: 0.85rem;
}

.address-box p {
    margin-bottom: 0;
}

.address-box b {
    color: var(--color-bg-dark);
}

.noto-serif-tel {
    color: var(--color-accent);
    font-weight: 900;
}


/* WordPress Core Blocks & Image Resets */
.wp-block-image img,
article img,
.main-content img {
    max-width: 100% !important;
    height: auto !important;
    /* loading="lazy" 適用時のレイアウトシフト（CLS）を軽減するため、アスペクト比をブラウザに計算させる */
    content-visibility: auto;
}

.wp-block-image {
    max-width: 100%;
    margin-bottom: var(--space-md);
}

.wp-block-gallery ul {
    display: flex;
    flex-wrap: wrap;
    list-style: none;
    padding: 0;
}

.wp-block-gallery ul li {
    width: 33%;
}

/* Industrial Table Design based on frontend-design */
table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: var(--space-md);
    background-color: var(--color-white);
    border: 2px solid var(--color-bg-dark);
}

table th,
table td {
    padding: 1rem;
    border: 1px solid var(--color-bg-dark);
    text-align: left;
}

table th {
    background-color: var(--color-bg);
    font-family: var(--font-display);
    font-weight: 700;
    color: var(--color-bg-dark);
}


/* Full Width Page Layout */
.main-content-full {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    /* Do not double pad. Let container handle horizontal padding */
}


/* Sidebar & Content Layout */
.page-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: var(--space-lg);
    align-items: start;
    padding-top: var(--space-xl);
    padding-bottom: var(--space-xl);
}

@media (max-width: 768px) {
    .page-layout {
        grid-template-columns: 1fr;
        padding-top: var(--space-lg);
        padding-bottom: var(--space-lg);
        /* Horizontal padding handled by .container */
    }
}


/* Download Button & File Links (Industrial / Refined) 
   Differentiator: Distinctive geometric action button avoiding generic shapes.
*/
.wp-block-file a.wp-block-file__button,
a.download-btn,
a[href$=".pdf"],
a[href$=".doc"],
a[href$=".docx"],
a[href$=".zip"] {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.85rem 1.5rem;
    background-color: var(--color-bg);
    color: var(--color-bg-dark);
    border: 1px solid rgba(11, 25, 44, 0.1);
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.85rem;
    letter-spacing: 0.05em;
    text-decoration: none;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
    background: rgb(228 243 255 / 80%);
}

/* Distinctive Book Icon for File Name */
a[href$=".pdf"]::before,
a[href$=".doc"]::before,
a[href$=".docx"]::before,
a[href$=".zip"]::before {
    content: '';
    display: inline-block;
    width: 16px;
    height: 16px;
    background-color: var(--color-accent);
    mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M2 3h6a4 4 0 0 1 4 4v14a3 3 0 0 0-3-3H2z'/%3E%3Cpath d='M22 3h-6a4 4 0 0 0-4 4v14a3 3 0 0 1 3-3h7z'/%3E%3C/svg%3E") no-repeat center / contain;
    -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M2 3h6a4 4 0 0 1 4 4v14a3 3 0 0 0-3-3H2z'/%3E%3Cpath d='M22 3h-6a4 4 0 0 0-4 4v14a3 3 0 0 1 3-3h7z'/%3E%3C/svg%3E") no-repeat center / contain;
    transition: transform var(--transition-fast);
}

/* Distinctive Arrow/Data Icon Indicator for Download Button */
.wp-block-file a.wp-block-file__button::before,
a.download-btn::before {
    content: '';
    display: inline-block;
    width: 16px;
    height: 16px;
    background-color: var(--color-accent);
    mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='3' stroke-linecap='square' stroke-linejoin='miter'%3E%3Cpath d='M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4'/%3E%3Cpolyline points='7 10 12 15 17 10'/%3E%3Cline x1='12' y1='15' x2='12' y2='3'/%3E%3C/svg%3E") no-repeat center / contain;
    -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='3' stroke-linecap='square' stroke-linejoin='miter'%3E%3Cpath d='M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4'/%3E%3Cpolyline points='7 10 12 15 17 10'/%3E%3Cline x1='12' y1='15' x2='12' y2='3'/%3E%3C/svg%3E") no-repeat center / contain;
    transition: transform var(--transition-fast);
}

.wp-block-file a.wp-block-file__button:hover,
a.download-btn:hover,
a[href$=".pdf"]:hover,
a[href$=".doc"]:hover,
a[href$=".docx"]:hover,
a[href$=".zip"]:hover {
    background-color: var(--color-bg-dark);
    color: var(--color-white);
    border-color: var(--color-bg-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(11, 25, 44, 0.15);
}

.wp-block-file a.wp-block-file__button:hover::before,
a.download-btn:hover::before,
a[href$=".pdf"]:hover::before,
a[href$=".doc"]:hover::before,
a[href$=".docx"]:hover::before,
a[href$=".zip"]:hover::before {
    background-color: var(--color-accent);
    transform: translateY(2px);
}


.hero-subtitle,
.home-hero-title,
.hero-desc,
.hero-action {
    text-align: left !important;
    width: 100%;
}

/* Force Left Alignment for Hero text to match original index.html */

.hero-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding: 0 var(--space-md) 0 10vw;
    z-index: 10;
    text-align: left !important;
    width: 100%;
}

.hero-subtitle {
    font-family: 'Syncopate', sans-serif;
    color: var(--color-accent);
    font-weight: 700;
    letter-spacing: 0.2em;
    margin-bottom: var(--space-sm);
    font-size: 0.9rem;
    text-align: left !important;
    width: 100%;
}

.home-hero-title {
    margin-top: 0;
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    margin-bottom: var(--space-md);
    color: var(--color-bg-dark);
    text-align: left !important;
    width: 100%;
    line-height: 1.2;
}

.hero-desc {
    font-size: 1.125rem;
    color: var(--color-text-light);
    margin-bottom: var(--space-lg);
    max-width: 500px;
    text-align: left !important;
    width: 100%;
}

.hero-action {
    text-align: left !important;
    width: 100%;
}

/* Force hero content to the left column */

.hero-content {
    grid-column: 1 / 2 !important;
    position: relative;
    z-index: 10;
}

/* Page Top Button */
.page-top-btn {
    position: fixed;
    right: 30px;
    bottom: -60px;
    /* Hidden initially by sliding down */
    width: 50px;
    height: 50px;
    background-color: var(--color-bg-dark);
    /* Industrial dark */
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    /* Slight rounding, not a full circle for modern look */
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    z-index: 99;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s cubic-bezier(0.22, 1, 0.36, 1);
    color: var(--color-white);
    /* Ensure SVG inherits color */
}

.page-top-btn:hover {
    background-color: var(--color-accent);
    color: var(--color-bg-dark);
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 210, 255, 0.3);
}

.page-top-btn.is-visible {
    bottom: 30px;
    opacity: 1;
    visibility: visible;
}

@media (max-width: 768px) {
    .page-top-btn {
        right: 20px;
    }

    .page-top-btn.is-visible {
        bottom: 20px;
    }
}