/* Bella Floor - Premium Installation Guides CSS Stylesheet */

/* Design Tokens & Corporate Palette */
:root {
    --color-primary: #03433D;
    --color-primary-light: #065b53;
    --color-primary-dark: #022d29;
    --color-secondary: #C5A880;
    --color-secondary-dark: #aa8c61;
    --color-bg: #F9F8F5;
    --color-bg-dark: #ECEAE3;
    --color-cream: #FFF7EC;
    --color-text: #1C2A28;
    --color-text-light: #526663;
    --color-white: #ffffff;
    
    --card-bg: rgba(255, 255, 255, 0.85);
    --card-border: rgba(3, 67, 61, 0.08);
    --card-shadow: 0 8px 32px 0 rgba(3, 67, 61, 0.04);
    --card-hover-shadow: 0 12px 40px 0 rgba(3, 67, 61, 0.08);
    
    --transition-smooth: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    --border-radius-lg: 12px;
    --border-radius-sm: 6px;
}

/* Bella Luxury site integration */
:root {
    --border-radius-lg: 0;
    --border-radius-sm: 0;
}

.main-header {
    border-bottom-color: rgba(3, 67, 61, 0.12);
    box-shadow: 0 12px 34px rgba(3, 67, 61, 0.04);
}

.nav-link,
.language-selector,
.lang-btn,
.checklist-card,
.alert-box,
.illustration-card-panel,
.video-card-panel,
.steps-container-card,
.step-tip-box,
.warranty-card,
.install-guide-card,
.floating-print-btn {
    border-radius: 0;
}

.main-title,
.section-title,
.checklist-title,
.step-heading,
.illustration-title,
.video-title,
.warranty-text h4,
.install-guide-card h4 {
    font-weight: 400;
}

.support-contact,
.contact-info {
    display: none;
}

@media (max-width: 720px) {
    .header-container,
    .header-controls {
        align-items: flex-start;
        flex-direction: column;
        width: 100%;
    }

    .nav-links {
        overflow: visible;
        width: 100%;
        padding-bottom: 4px;
    }

    .nav-link {
        white-space: nowrap;
    }

    .nav-link:not(#nav-back) {
        display: none;
    }

    .logo-wrapper {
        align-self: flex-start;
    }
}

/* Reset & Basic Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.font-serif {
    font-family: 'Playfair Display', serif;
}

.font-sans {
    font-family: 'Inter', sans-serif;
}

/* Layout Utilities */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.grid-2col {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 40px;
}

.grid-equal-2col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

@media (max-width: 900px) {
    .grid-2col, .grid-equal-2col {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

.section-container {
    margin-bottom: 50px;
}

/* Header Styling (Web only) */
.main-header {
    background-color: rgba(249, 248, 245, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--card-border);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 14px 0;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand-logo {
    height: 38px;
    width: auto;
    object-fit: contain;
}

.header-controls {
    display: flex;
    align-items: center;
    gap: 15px;
}

.language-selector {
    display: flex;
    border: 1px solid var(--color-secondary);
    border-radius: 20px;
    overflow: hidden;
    background: var(--color-white);
}

.lang-btn {
    border: none;
    background: transparent;
    padding: 6px 14px;
    font-size: 11px;
    font-weight: 700;
    color: var(--color-primary);
    cursor: pointer;
    transition: var(--transition-smooth);
}

.lang-btn.active {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.nav-links {
    display: flex;
    gap: 12px;
}

.nav-link {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-light);
    text-decoration: none;
    padding: 6px 12px;
    border-radius: 15px;
    border: 1px solid transparent;
    transition: var(--transition-smooth);
}

.nav-link:hover {
    color: var(--color-primary);
    background-color: rgba(3, 67, 61, 0.04);
}

.nav-link.active {
    color: var(--color-primary);
    border-color: var(--color-primary);
    background-color: var(--color-cream);
}

/* Document Header (Print & Web Title) */
.doc-header {
    margin-top: 40px;
    margin-bottom: 30px;
    border-bottom: 1px solid rgba(3, 67, 61, 0.1);
    padding-bottom: 25px;
}

.print-brand-header {
    display: none; /* Visible in print only */
}

.doc-title-section {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.main-title {
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--color-primary);
}

.subtitle {
    font-size: 0.95rem;
    color: var(--color-text-light);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

/* Section Title */
.section-title {
    font-size: 1.6rem;
    color: var(--color-primary);
    font-family: 'Playfair Display', serif;
    margin-bottom: 25px;
    border-bottom: 2px solid var(--color-secondary);
    padding-bottom: 8px;
    display: inline-block;
}

/* Checklist Panel Card */
.checklist-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius-lg);
    padding: 30px;
    box-shadow: var(--card-shadow);
}

.checklist-title {
    font-size: 1.3rem;
    color: var(--color-primary);
    margin-bottom: 18px;
    border-left: 3px solid var(--color-secondary);
    padding-left: 12px;
}

.checklist-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 15px;
}

.checklist-item {
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.check-icon {
    color: var(--color-secondary-dark);
    flex-shrink: 0;
    margin-top: 2px;
}

.check-text strong {
    display: block;
    font-size: 14px;
    color: var(--color-primary);
    margin-bottom: 2px;
}

.check-text p {
    font-size: 12.5px;
    color: var(--color-text-light);
    line-height: 1.4;
}

/* Side Info / Warning Columns */
.info-sidebar-column {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.alert-box {
    border-radius: var(--border-radius-lg);
    padding: 24px;
    box-shadow: var(--card-shadow);
    display: flex;
    gap: 15px;
    align-items: flex-start;
}

.alert-warning {
    background-color: var(--color-cream);
    border: 1px solid var(--color-secondary);
}

.alert-danger {
    background-color: rgba(127, 29, 29, 0.03);
    border: 1px solid rgba(127, 29, 29, 0.15);
}

.alert-icon {
    flex-shrink: 0;
}

.alert-warning .alert-icon {
    color: var(--color-secondary-dark);
}

.alert-danger .alert-icon {
    color: #7f1d1d;
}

.alert-content h4 {
    font-size: 14px;
    margin-bottom: 5px;
}

.alert-warning h4 {
    color: var(--color-primary);
}

.alert-danger h4 {
    color: #7f1d1d;
}

.alert-content p {
    font-size: 12.5px;
    color: var(--color-text-light);
    line-height: 1.5;
}

/* Chevron Video Panel wrapper */
.video-card-panel {
    background: var(--color-white);
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius-lg);
    padding: 20px;
    box-shadow: var(--card-shadow);
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.video-container-frame {
    width: 100%;
    border-radius: var(--border-radius-sm);
    overflow: hidden;
    border: 2px double var(--color-secondary);
    box-shadow: inset 0 0 15px rgba(0,0,0,0.2);
    background-color: #000;
    position: relative;
    padding-top: 56.25%; /* 16:9 Aspect Ratio */
}

.video-player-element {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.video-title-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 5px 10px;
}

.video-title {
    font-size: 13.5px;
    font-weight: 700;
    color: var(--color-primary);
}

.video-badge {
    font-size: 9px;
    font-weight: 700;
    color: var(--color-white);
    background-color: var(--color-primary);
    padding: 3px 8px;
    border-radius: 3px;
    letter-spacing: 0.05em;
}

/* Illustration Panel Style */
.illustration-card-panel {
    background: var(--color-white);
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius-lg);
    padding: 20px;
    box-shadow: var(--card-shadow);
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.illustration-container-frame {
    width: 100%;
    border-radius: var(--border-radius-sm);
    overflow: hidden;
    border: 2px double var(--color-secondary);
    box-shadow: inset 0 0 15px rgba(0,0,0,0.05);
    background-color: var(--color-bg);
    position: relative;
    padding-top: 56.25%; /* 16:9 Aspect Ratio */
}

.illustration-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.illustration-img:hover {
    transform: scale(1.05);
}

.illustration-title-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 5px 10px;
}

.illustration-title {
    font-size: 13.5px;
    font-weight: 700;
    color: var(--color-primary);
}

.illustration-badge {
    font-size: 9px;
    font-weight: 700;
    color: var(--color-white);
    background-color: var(--color-primary);
    padding: 3px 8px;
    border-radius: 3px;
    letter-spacing: 0.05em;
}

/* Steps Instructions Container */
.steps-container-card {
    background: var(--color-white);
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius-lg);
    padding: 35px;
    box-shadow: var(--card-shadow);
}

.steps-list {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.step-row {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.step-number-badge {
    width: 36px;
    height: 36px;
    background-color: var(--color-primary);
    color: var(--color-white);
    border: 2px solid var(--color-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 700;
    flex-shrink: 0;
    box-shadow: 0 4px 10px rgba(3, 67, 61, 0.15);
}

.step-details {
    flex-grow: 1;
}

.step-heading {
    font-size: 1.15rem;
    color: var(--color-primary);
    margin-bottom: 6px;
}

.step-text {
    font-size: 13.5px;
    color: var(--color-text-light);
    line-height: 1.6;
}

/* Step Row Grid Layout */
.step-content-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 30px;
    align-items: center;
}

.step-text-column {
    display: flex;
    flex-direction: column;
}

.step-image-column {
    display: flex;
    justify-content: center;
    align-items: center;
}

.step-diagram-img {
    width: 100%;
    max-width: 280px;
    max-height: 170px;
    object-fit: contain;
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius-sm);
    background-color: var(--color-bg);
    padding: 6px;
    transition: var(--transition-smooth);
}

.step-diagram-img:hover {
    transform: scale(1.05);
    border-color: var(--color-secondary);
}

@media (max-width: 768px) {
    .step-content-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    .step-diagram-img {
        max-width: 100%;
    }
}

/* Highlighted Technical Drawing/Tip overlay */
.step-tip-box {
    margin-top: 10px;
    background: var(--color-cream);
    border-left: 2.5px solid var(--color-secondary);
    padding: 10px 14px;
    border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
    font-size: 12.5px;
    color: var(--color-primary-light);
    font-weight: 500;
    font-style: italic;
}

/* Bottom Information Grid (Warranty & Support) */
.bottom-info-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 30px;
    margin-top: 20px;
}

.warranty-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius-lg);
    padding: 30px;
    box-shadow: var(--card-shadow);
    display: flex;
    gap: 20px;
    align-items: center;
}

@media (max-width: 500px) {
    .warranty-card {
        flex-direction: column;
        text-align: center;
    }
}

.guarantee-badge {
    background-color: var(--color-primary);
    color: var(--color-cream);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    border: 3px double var(--color-secondary);
    flex-shrink: 0;
    box-shadow: 0 4px 15px rgba(3, 67, 61, 0.2);
}

.guarantee-years {
    font-size: 32px;
    font-weight: 800;
    line-height: 1;
}

.guarantee-lbl {
    font-size: 8px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-align: center;
    margin-top: 2px;
}

.warranty-text h4 {
    font-size: 1.15rem;
    color: var(--color-primary);
    margin-bottom: 6px;
}

.warranty-text p {
    font-size: 13px;
    color: var(--color-text-light);
    line-height: 1.5;
}

.install-guide-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius-lg);
    padding: 30px;
    box-shadow: var(--card-shadow);
}

.install-guide-card h4 {
    font-size: 1.2rem;
    color: var(--color-primary);
    margin-bottom: 12px;
    border-bottom: 1px solid rgba(3, 67, 61, 0.08);
    padding-bottom: 8px;
}

.install-guide-card p {
    font-size: 13px;
    color: var(--color-text-light);
    line-height: 1.6;
    margin-bottom: 12px;
}

.support-contact {
    font-size: 11px;
    font-weight: 700;
    color: var(--color-secondary-dark);
}

/* Footer Web Styling */
.main-footer {
    background-color: var(--color-primary-dark);
    color: rgba(249, 248, 245, 0.6);
    padding: 24px 0;
    margin-top: 80px;
    border-top: 1px solid var(--color-secondary);
}

.footer-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    letter-spacing: 0.05em;
}

@media (max-width: 600px) {
    .footer-container {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
}

/* Floating Print Button */
.floating-print-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: var(--color-primary);
    color: var(--color-white);
    border: 2px solid var(--color-secondary);
    border-radius: 40px;
    padding: 14px 24px;
    font-family: 'Inter', sans-serif;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.1em;
    cursor: pointer;
    box-shadow: 0 10px 30px rgba(3, 67, 61, 0.3);
    z-index: 1000;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.floating-print-btn:hover {
    background-color: var(--color-secondary);
    color: var(--color-primary-dark);
    transform: translateY(-4px) scale(1.03);
    box-shadow: 0 15px 35px rgba(197, 168, 128, 0.4);
}

.floating-print-btn .btn-print-icon {
    display: flex;
    align-items: center;
}

.floating-print-btn svg {
    fill: currentColor;
}

/* Static Print warning replacements */
.print-video-notes {
    display: none;
}

/* ---------------------------------------------------- */
/* PRINT STYLES (@media print)                          */
/* ---------------------------------------------------- */
@media print {
    @page {
        size: A4 portrait;
        margin: 12mm 15mm 15mm 15mm;
    }
    
    body {
        background-color: var(--color-white) !important;
        color: var(--color-text) !important;
        font-size: 11.5px;
        line-height: 1.4;
    }
    
    /* Display print-brand logo & meta header */
    .print-brand-header {
        display: flex !important;
        justify-content: space-between;
        align-items: center;
        border-bottom: 2px solid var(--color-primary);
        padding-bottom: 12px;
        margin-bottom: 20px;
    }
    
    .print-logo {
        height: 38px;
        width: auto;
    }
    
    .print-meta {
        text-align: right;
    }
    
    .doc-badge {
        font-family: 'Inter', sans-serif;
        font-size: 10px;
        font-weight: 700;
        letter-spacing: 0.1em;
        background-color: var(--color-primary);
        color: var(--color-white);
        padding: 4px 10px;
        border-radius: 3px;
        display: inline-block;
        margin-bottom: 4px;
    }
    
    .doc-date {
        font-family: 'Inter', sans-serif;
        font-size: 9px;
        color: var(--color-text-light);
    }
    
    /* Modify main title layout for print */
    .doc-header {
        margin-top: 0 !important;
        margin-bottom: 15px !important;
        border-bottom: none !important;
        padding-bottom: 0 !important;
    }
    
    .main-title {
        font-size: 2rem !important;
        color: var(--color-primary) !important;
        line-height: 1.1;
    }
    
    .subtitle {
        font-size: 0.8rem !important;
        margin-top: 4px;
    }
    
    .container, .page-wrapper {
        padding: 0 !important;
        margin: 0 !important;
        max-width: 100% !important;
        width: 100% !important;
    }
    
    * {
        -webkit-print-color-adjust: exact !important;
        print-color-adjust: exact !important;
    }
    
    .no-print {
        display: none !important;
    }
    
    .grid-2col {
        display: grid !important;
        grid-template-columns: 1fr 1fr !important;
        gap: 15px !important;
    }
    
    .page-break-after {
        page-break-after: always !important;
        break-after: page !important;
    }
    
    .page-break-inside-avoid {
        page-break-inside: avoid !important;
        break-inside: avoid !important;
    }
    
    /* Document compressions to fit 2-pages print spec */
    .checklist-card {
        padding: 20px !important;
        box-shadow: none !important;
    }
    
    .checklist-title {
        font-size: 1.1rem !important;
        margin-bottom: 10px !important;
    }
    
    .checklist-grid {
        gap: 8px !important;
    }
    
    .checklist-item {
        gap: 8px !important;
    }
    
    .check-text strong {
        font-size: 12px !important;
    }
    
    .check-text p {
        font-size: 11px !important;
        line-height: 1.3 !important;
    }
    
    .alert-box {
        padding: 15px !important;
        box-shadow: none !important;
        gap: 10px !important;
    }
    
    .alert-content h4 {
        font-size: 12px !important;
    }
    
    .alert-content p {
        font-size: 11px !important;
        line-height: 1.3 !important;
    }
    
    .steps-container-card {
        padding: 20px !important;
        box-shadow: none !important;
        margin-top: 15px !important;
    }
    
    .steps-list {
        gap: 15px !important;
    }
    
    .step-row {
        gap: 12px !important;
    }
    
    .step-number-badge {
        width: 28px !important;
        height: 28px !important;
        font-size: 11px !important;
        box-shadow: none !important;
    }
    
    .step-heading {
        font-size: 1rem !important;
    }
    
    .step-text {
        font-size: 11px !important;
        line-height: 1.4 !important;
    }
    
    .step-tip-box {
        padding: 6px 10px !important;
        font-size: 11px !important;
        margin-top: 6px !important;
    }
    
    /* Print Layout for Step Columns & Diagrams */
    .step-content-grid {
        display: grid !important;
        grid-template-columns: 2fr 1fr !important;
        gap: 15px !important;
        align-items: center !important;
    }
    
    .step-diagram-img {
        max-width: 180px !important;
        max-height: 90px !important;
        padding: 2px !important;
        background-color: var(--color-white) !important;
    }
    
    /* Static text replacement for Video element on print */
    .print-video-notes {
        display: block !important;
        border: 1px solid var(--color-secondary);
        background-color: var(--color-cream);
        padding: 18px;
        border-radius: var(--border-radius-lg);
        margin-top: 15px;
    }
    
    .print-video-notes h4 {
        font-size: 12px;
        color: var(--color-primary);
        margin-bottom: 6px;
    }
    
    .print-video-notes p {
        font-size: 11px;
        color: var(--color-text-light);
        line-height: 1.4;
    }
    
    /* Footer & Info grid compression */
    .bottom-info-grid {
        margin-top: 15px !important;
        gap: 15px !important;
    }
    
    .warranty-card, .install-guide-card {
        padding: 15px !important;
        box-shadow: none !important;
        border: 1px solid var(--card-border) !important;
    }
    
    .guarantee-badge {
        width: 70px !important;
        height: 70px !important;
    }
    
    .guarantee-years {
        font-size: 22px !important;
    }
    
    .guarantee-lbl {
        font-size: 6px !important;
    }
    
    .warranty-text h4, .install-guide-card h4 {
        font-size: 1rem !important;
    }
    
    .warranty-text p, .install-guide-card p {
        font-size: 11px !important;
    }
}

/* Final site-shape overrides must follow the source guide rules. */
.nav-link,
.language-selector,
.lang-btn,
.floating-print-btn {
    border-radius: 0;
}

.support-contact,
.contact-info {
    display: none;
}