/* ==========================================================================
   Solutions I.D.S. Redesign - Global Stylesheet
   ========================================================================== */

/* Design Tokens & Theme Variables */
:root {
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    --font-heading: 'Outfit', sans-serif;
    --font-logo: 'Frank Ruhl Libre', serif;

    /* Light Theme (Default fallback or toggled) */
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f1f5f9;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    
    --color-primary: #df9a2a;
    --color-primary-hover: #b67b1b;
    --color-secondary: #0284c7;
    --color-accent: #6366f1;
    --color-success: #10b981;
    --color-border: #e2e8f0;
    --card-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
    --glass-bg: rgba(255, 255, 255, 0.8);
    --glass-border: rgba(241, 245, 249, 0.6);
    --glow-effect: radial-gradient(circle at center, rgba(223, 154, 42, 0.1) 0%, transparent 70%);
}

[data-theme="dark"] {
    --bg-primary: #0b0f19;
    --bg-secondary: #111827;
    --bg-tertiary: #1f2937;
    --text-primary: #f9fafb;
    --text-secondary: #d1d5db;
    --text-muted: #9ca3af;

    --color-primary: #df9a2a;
    --color-primary-hover: #f1ab3b;
    --color-secondary: #38bdf8;
    --color-accent: #818cf8;
    --color-success: #34d399;
    --color-border: #374151;
    --card-shadow: 0 15px 30px -10px rgba(0, 0, 0, 0.5);
    --glass-bg: rgba(17, 24, 39, 0.85);
    --glass-border: rgba(55, 65, 81, 0.5);
    --glow-effect: radial-gradient(circle at center, rgba(223, 154, 42, 0.15) 0%, transparent 75%);
}

/* Base Styles & Reset */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

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

body {
    font-family: var(--font-sans);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.25;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(2rem, 4vw, 2.75rem);
    letter-spacing: -0.01em;
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

p {
    margin-bottom: 1.25rem;
    color: var(--text-secondary);
    font-size: 1.05rem;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--color-primary-hover);
}

/* Custom UI Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: 5px;
    border: 2px solid var(--bg-primary);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary);
}

/* Header & Navigation Bar */
.top-bar {
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--color-border);
    padding: 8px 0;
    font-size: 0.9rem;
}

.top-bar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-contacts {
    display: flex;
    gap: 20px;
}

.top-contacts a {
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.top-contacts a:hover {
    color: var(--color-primary);
}

.top-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.btn-icon {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 1.1rem;
    padding: 6px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s, color 0.2s;
}

.btn-icon:hover {
    background-color: var(--bg-tertiary);
    color: var(--color-primary);
}

.btn-lang {
    background: var(--bg-tertiary);
    border: 1px solid var(--color-border);
    padding: 6px 12px;
    border-radius: 20px;
    cursor: pointer;
    font-family: var(--font-sans);
    font-size: 0.85rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
    transition: background-color 0.2s;
}

.btn-lang:hover {
    background: var(--color-border);
}

.btn-lang img {
    border-radius: 2px;
    width: 20px;
}

.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
    padding: 16px 0;
}

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

.logo {
    font-family: var(--font-logo);
    font-size: 1.85rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 4px;
}

.logo-accent {
    color: var(--color-primary);
}

.nav {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    align-items: center;
    list-style: none;
    gap: 32px;
}

.nav-link {
    color: var(--text-secondary);
    font-weight: 500;
    padding: 6px 0;
    position: relative;
}

.nav-link:hover, .nav-link.active {
    color: var(--color-primary);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--color-primary);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-link:hover::after, .nav-link.active::after {
    transform: scaleX(1);
    transform-origin: left;
}

.mobile-nav-toggle {
    display: none;
}

/* Main Buttons styling */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, #c4821a 100%);
    color: #ffffff !important;
    box-shadow: 0 4px 14px 0 rgba(223, 154, 42, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(223, 154, 42, 0.4);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--color-border);
}

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

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in {
    animation: fadeIn 0.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

/* Hero Section */
.hero {
    position: relative;
    padding: 120px 0 100px;
    overflow: hidden;
    background: var(--glow-effect), var(--bg-primary);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    align-items: center;
    gap: 48px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(223, 154, 42, 0.1);
    color: var(--color-primary);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 24px;
    border: 1px solid rgba(223, 154, 42, 0.2);
}

.hero-title span {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-text {
    font-size: 1.2rem;
    margin-bottom: 32px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-circle {
    position: absolute;
    width: 350px;
    height: 350px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(223, 154, 42, 0.15) 0%, rgba(99, 102, 241, 0.15) 100%);
    filter: blur(40px);
    z-index: 1;
}

.hero-illustration {
    position: relative;
    z-index: 2;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 30px;
    border-radius: 24px;
    box-shadow: var(--card-shadow);
    width: 100%;
    max-width: 420px;
}

.ill-row {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 12px 0;
    border-bottom: 1px solid var(--color-border);
}

.ill-row:last-child {
    border-bottom: none;
}

.ill-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: var(--bg-tertiary);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.ill-title {
    font-weight: 600;
    font-size: 0.95rem;
}

.ill-desc {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Feature Cards Grid (Home Page Categories) */
.section-padding {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 56px;
}

.section-tag {
    color: var(--color-primary);
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 12px;
    display: block;
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    padding: 36px;
    box-shadow: var(--card-shadow);
    display: flex;
    flex-direction: column;
    height: 100%;
    position: relative;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 100%);
    opacity: 0;
    transition: opacity 0.3s;
}

.card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.15);
}

.card:hover::before {
    opacity: 1;
}

.card-icon {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    background: var(--bg-tertiary);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    margin-bottom: 24px;
}

.card-title {
    font-size: 1.35rem;
    margin-bottom: 16px;
}

.card-text {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
    flex-grow: 1;
}

.card-link {
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.card-link i {
    transition: transform 0.2s;
}

.card:hover .card-link i {
    transform: translateX(4px);
}

/* Page Layout Template */
.page-hero {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    border-bottom: 1px solid var(--color-border);
    padding: 60px 0;
    text-align: center;
}

.page-hero h1 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 12px;
}

.page-hero p {
    max-width: 600px;
    margin: 0 auto;
}

.page-container {
    padding: 60px 0;
}

/* Sub-page Navigation Tabs */
.tab-navigation {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.tab-btn {
    background: var(--bg-secondary);
    border: 1px solid var(--color-border);
    color: var(--text-secondary);
    padding: 10px 20px;
    border-radius: 30px;
    cursor: pointer;
    font-family: var(--font-sans);
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.2s;
}

.tab-btn.active, .tab-btn:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #ffffff;
}

/* Product & Service Grid & Details Layout */
.detail-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 56px;
    align-items: center;
    margin-bottom: 60px;
}

.detail-visual {
    background: var(--bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    padding: 40px;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 320px;
    box-shadow: var(--card-shadow);
}

.detail-visual img {
    max-width: 100%;
    max-height: 240px;
    object-fit: contain;
}

.features-list {
    list-style: none;
    margin: 24px 0 32px;
}

.features-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 16px;
    font-size: 1.05rem;
}

.features-list li i {
    color: var(--color-success);
    margin-top: 5px;
}

/* QuickBooks / TitanFile specific layout */
.promo-box {
    background: linear-gradient(135deg, rgba(223, 154, 42, 0.08) 0%, rgba(99, 102, 241, 0.08) 100%);
    border: 1px solid rgba(223, 154, 42, 0.25);
    border-radius: 16px;
    padding: 32px;
    margin-bottom: 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.promo-badge {
    background: var(--color-primary);
    color: #ffffff;
    font-weight: 800;
    padding: 12px 24px;
    border-radius: 12px;
    font-size: 1.5rem;
    line-height: 1;
    text-align: center;
    box-shadow: 0 4px 10px rgba(223, 154, 42, 0.25);
}

.promo-badge span {
    display: block;
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
}

/* Pricing Grid */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
    margin-bottom: 40px;
}

.pricing-card {
    background: var(--bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    padding: 32px 24px;
    text-align: center;
    box-shadow: var(--card-shadow);
    display: flex;
    flex-direction: column;
    position: relative;
    transition: transform 0.2s;
}

.pricing-card.featured {
    border-color: var(--color-primary);
    transform: scale(1.03);
    z-index: 2;
}

.pricing-card.featured .pricing-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    background: var(--color-primary);
    color: #ffffff;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 20px;
}

.pricing-header h3 {
    font-size: 1.25rem;
    margin-bottom: 8px;
}

.price {
    font-size: 2.25rem;
    font-weight: 800;
    font-family: var(--font-heading);
    margin: 16px 0;
    line-height: 1;
}

.price span {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 400;
}

.pricing-features {
    list-style: none;
    text-align: left;
    margin: 24px 0;
    font-size: 0.9rem;
    flex-grow: 1;
}

.pricing-features li {
    padding: 8px 0;
    border-bottom: 1px solid var(--bg-tertiary);
    color: var(--text-secondary);
}

.pricing-features li:last-child {
    border-bottom: none;
}

/* ARPE Announcement styling */
.announcement-box {
    background: var(--bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    padding: 48px;
    box-shadow: var(--card-shadow);
    max-width: 800px;
    margin: 0 auto;
}

.announcement-meta {
    display: flex;
    justify-content: space-between;
    color: var(--text-muted);
    margin-bottom: 24px;
    font-size: 0.9rem;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 12px;
}

.announcement-signature {
    margin-top: 36px;
    border-top: 1px solid var(--color-border);
    padding-top: 24px;
}

.signature-name {
    font-weight: 700;
    font-family: var(--font-heading);
    font-size: 1.1rem;
}

.signature-title {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Contact Grid & Form */
.contact-grid {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 48px;
}

.contact-info-cards {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.info-item {
    background: var(--bg-secondary);
    border: 1px solid var(--color-border);
    padding: 24px;
    border-radius: 12px;
    display: flex;
    gap: 16px;
}

.info-icon {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    background: var(--bg-tertiary);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    flex-shrink: 0;
}

.info-content h4 {
    font-size: 1rem;
    margin-bottom: 4px;
}

.info-content p {
    margin-bottom: 0;
    font-size: 0.95rem;
}

.contact-form-container {
    background: var(--bg-secondary);
    border: 1px solid var(--color-border);
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--card-shadow);
}

.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    font-size: 0.9rem;
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--color-border);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    border-radius: 8px;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-control:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(223, 154, 42, 0.15);
    outline: none;
}

/* Footer Section styling */
.footer {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--color-border);
    padding: 60px 0 40px;
    margin-top: 80px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 40px;
}

.footer-info h3 {
    font-family: var(--font-logo);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: flex-end;
}

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

.footer-bottom {
    grid-column: 1 / -1;
    border-top: 1px solid var(--color-border);
    padding-top: 30px;
    margin-top: 20px;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Mobile responsive navigation & toggles */
@media (max-width: 991px) {
    .nav {
        position: fixed;
        top: 104px; /* Offset for header + topbar */
        left: 0;
        width: 100%;
        height: calc(100vh - 104px);
        background: var(--bg-secondary);
        z-index: 99;
        transform: translateX(-100%);
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        border-right: 1px solid var(--color-border);
        box-shadow: 10px 0 30px rgba(0, 0, 0, 0.1);
        padding: 40px;
    }

    .nav.open {
        transform: translateX(0);
    }

    .nav-list {
        flex-direction: column;
        align-items: flex-start;
        width: 100%;
        gap: 24px;
    }

    .nav-list li {
        width: 100%;
    }

    .nav-link {
        font-size: 1.25rem;
        display: block;
        width: 100%;
        padding: 12px 0;
    }

    .mobile-nav-toggle {
        display: block;
        background: none;
        border: none;
        color: var(--text-primary);
        font-size: 1.5rem;
        cursor: pointer;
    }

    .hero-grid {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

    .hero-badge, .hero-actions {
        justify-content: center;
    }

    .hero-visual {
        order: -1;
    }

    .detail-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-links {
        align-items: center;
    }
}