/* ==========================================================================
   Strive Technology - Modern Static Site CSS
   Custom CSS with CSS Variables, Grid, and Flexbox
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Custom Properties (Design Tokens)
   -------------------------------------------------------------------------- */
:root {
    /* Colors - Primary */
    --color-primary: #1e3a5f;
    --color-primary-light: #2d5a8a;
    --color-primary-dark: #0f1f33;
    
    /* Colors - Accent */
    --color-accent: #dea714;
    --color-accent-light: #f5c842;
    --color-accent-dark: #b8890f;
    
    /* Colors - Success (Excel green) */
    --color-success: #227447;
    --color-success-light: #2d9a5d;
    --color-success-dark: #185533;
    
    /* Colors - Neutral */
    --color-white: #ffffff;
    --color-gray-50: #f9fafb;
    --color-gray-100: #f3f4f6;
    --color-gray-200: #e5e7eb;
    --color-gray-300: #d1d5db;
    --color-gray-400: #9ca3af;
    --color-gray-500: #6b7280;
    --color-gray-600: #4b5563;
    --color-gray-700: #374151;
    --color-gray-800: #1f2937;
    --color-gray-900: #111827;
    
    /* Colors - Semantic */
    --color-text: #374151;
    --color-text-light: #6b7280;
    --color-text-heading: #1f2937;
    --color-link: #2563eb;
    --color-link-hover: #1d4ed8;
    
    /* Typography */
    --font-sans: "Segoe UI", system-ui, -apple-system, sans-serif;
    --font-heading: "Segoe UI", system-ui, -apple-system, sans-serif;
    
    /* Font Sizes */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    
    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    
    /* Layout */
    --max-width: 1200px;
    --max-width-narrow: 800px;
    --header-height: 70px;
    --banner-height: 120px;
    
    /* Borders */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
}

/* --------------------------------------------------------------------------
   Reset & Base Styles
   -------------------------------------------------------------------------- */
*, *::before, *::after {
    box-sizing: border-box;
}

* {
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--header-height) + var(--space-4));
}

body {
    font-family: var(--font-sans);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

input, button, textarea, select {
    font: inherit;
}

/* --------------------------------------------------------------------------
   Typography
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--color-text-heading);
    line-height: 1.2;
    font-weight: 600;
}

h1 { font-size: var(--text-4xl); margin-bottom: var(--space-6); }
h2 { font-size: var(--text-3xl); margin-bottom: var(--space-5); }
h3 { font-size: var(--text-2xl); margin-bottom: var(--space-4); }
h4 { font-size: var(--text-xl); margin-bottom: var(--space-3); }
h5 { font-size: var(--text-lg); margin-bottom: var(--space-2); }
h6 { font-size: var(--text-base); margin-bottom: var(--space-2); }

p {
    margin-bottom: var(--space-4);
}

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

a:hover {
    color: var(--color-link-hover);
    text-decoration: underline;
}

ul, ol {
    margin-bottom: var(--space-4);
    padding-left: var(--space-6);
}

li {
    margin-bottom: var(--space-2);
}

/* --------------------------------------------------------------------------
   Layout Components
   -------------------------------------------------------------------------- */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.container--narrow {
    max-width: var(--max-width-narrow);
}

.section {
    padding: var(--space-8) 0;
}

.section--gray {
    background: linear-gradient(180deg, var(--color-gray-50) 0%, rgba(243, 244, 246, 0.7) 100%);
}

.section--dark {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, #0a1628 100%);
    color: var(--color-white);
}

/* Grid System */
.grid {
    display: grid;
    gap: var(--space-6);
}

.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 768px) {
    .grid--2, .grid--3, .grid--4 {
        grid-template-columns: 1fr;
    }
}

/* Flex utilities */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-2 { gap: var(--space-2); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

/* --------------------------------------------------------------------------
   Header & Navigation
   -------------------------------------------------------------------------- */
.site-banner {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    background-image: url("../assets/images/banner-bg.png");
    background-size: cover;
    background-position: center;
    height: var(--banner-height);
    display: flex;
    align-items: center;
    box-shadow: var(--shadow-lg);
}

.site-banner__logo {
    margin-top: -10px;
    height: 80px;
    width: auto;
}

.site-header {
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-gray-200);
    position: sticky;
    top: 0;
    z-index: 100;
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
}

.site-header__logo {
    height: 50px;
    width: auto;
}

.site-header__logo-link {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.site-header__company-name {
    display: none;
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--color-primary);
    white-space: nowrap;
}

/* Primary Navigation */
.primary-nav {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.primary-nav__link {
    display: block;
    padding: var(--space-3) var(--space-4);
    color: var(--color-text);
    font-weight: 500;
    font-size: var(--text-lg);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.primary-nav__link:hover,
.primary-nav__link--active {
    color: var(--color-primary);
    background-color: var(--color-gray-100);
    text-decoration: none;
}

/* Mobile Navigation Toggle */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-2);
}

.nav-toggle__icon {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-text);
    position: relative;
    transition: background-color var(--transition-fast);
}

.nav-toggle__icon::before,
.nav-toggle__icon::after {
    content: "";
    position: absolute;
    width: 24px;
    height: 2px;
    background-color: var(--color-text);
    left: 0;
    transition: transform var(--transition-fast);
}

.nav-toggle__icon::before { top: -7px; }
.nav-toggle__icon::after { bottom: -7px; }

@media (max-width: 768px) {
    .nav-toggle {
        display: block;
    }

    .site-header__company-name {
        display: inline;
    }

    .primary-nav {
        display: none;
        position: absolute;
        top: var(--header-height);
        left: 0;
        right: 0;
        background-color: var(--color-white);
        flex-direction: column;
        padding: var(--space-4);
        border-bottom: 1px solid var(--color-gray-200);
        box-shadow: var(--shadow-lg);
    }

    .primary-nav--open {
        display: flex;
    }

    .primary-nav__link {
        width: 100%;
        text-align: center;
    }
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.site-footer {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, #0a1628 100%);
    color: var(--color-white);
    padding: var(--space-16) 0 var(--space-8);
}

.site-footer__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-10);
    margin-bottom: var(--space-10);
}

@media (max-width: 768px) {
    .site-footer__grid {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }
}

.site-footer__heading {
    color: var(--color-accent);
    font-size: var(--text-xl);
    font-weight: 600;
    margin-bottom: var(--space-4);
}

.site-footer__text {
    color: var(--color-gray-300);
    line-height: 1.7;
}

.site-footer__link {
    color: var(--color-gray-300);
    transition: color var(--transition-fast);
}

.site-footer__link:hover {
    color: var(--color-accent);
    text-decoration: none;
}

.site-footer__nav {
    list-style: none;
    padding: 0;
    margin: 0;
}

.site-footer__nav li {
    margin-bottom: var(--space-2);
}

.site-footer__social {
    display: flex;
    gap: var(--space-4);
    margin-top: var(--space-4);
}

.site-footer__social-link {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--color-gray-300);
}

.site-footer__social-link:hover {
    color: var(--color-accent);
}

.site-footer__social-icon {
    width: 24px;
    height: 24px;
}

.site-footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--space-6);
    text-align: center;
    color: var(--color-gray-400);
    font-size: var(--text-sm);
}

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */
.hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    background-image: linear-gradient(135deg, rgba(30, 58, 95, 0.85) 0%, rgba(45, 90, 138, 0.85) 100%), url("../assets/images/hero-bg.png");
    background-size: cover;
    background-position: center right;
    background-attachment: fixed;
    color: var(--color-white);
    padding: var(--space-24) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    width: 40%;
    height: 100%;
    background: radial-gradient(ellipse at right, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.hero--home {
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero__title {
    color: var(--color-white);
    font-size: var(--text-5xl);
    margin-bottom: var(--space-6);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    font-weight: 700;
    letter-spacing: -0.5px;
}

.hero__subtitle {
    font-size: var(--text-2xl);
    color: rgba(255, 255, 255, 0.95);
    max-width: 700px;
    margin: 0 auto;
    text-shadow: 0 1px 8px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 1;
    font-weight: 300;
    line-height: 1.5;
}

@media (max-width: 768px) {
    .hero {
        background-attachment: scroll;
        min-height: 350px;
        padding: var(--space-16) 0;
    }

    .hero--home {
        min-height: 350px;
    }

    .hero__title {
        font-size: var(--text-3xl);
    }

    .hero__subtitle {
        font-size: var(--text-xl);
    }
}

/* --------------------------------------------------------------------------
   Cards
   -------------------------------------------------------------------------- */
.card {
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.card__image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.card__body {
    padding: var(--space-6);
}

.card__title {
    font-size: var(--text-xl);
    margin-bottom: var(--space-3);
}

.card__text {
    color: var(--color-text-light);
    margin-bottom: var(--space-4);
}

/* Product Card Links */
.product-card-links {
    display: flex;
    gap: var(--space-4);
    flex-wrap: wrap;
    margin-top: var(--space-6);
}

/* Consulting Section */
.consulting-image-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(45, 90, 138, 0.05) 0%, rgba(34, 116, 71, 0.05) 100%);
    border-radius: var(--radius-lg);
    padding: var(--space-8);
    min-height: 300px;
}

.consulting-logo {
    max-width: 280px;
    height: auto;
}

/* Product Card (for Apps) */
.product-card {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: var(--space-8);
    padding: var(--space-10);
    background: linear-gradient(135deg, var(--color-white) 0%, rgba(249, 250, 251, 0.8) 100%);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    align-items: start;
    border: 1px solid rgba(45, 90, 138, 0.08);
    transition: all var(--transition-base);
}

.product-card:hover {
    box-shadow: var(--shadow-xl);
    border-color: rgba(45, 90, 138, 0.15);
    transform: translateY(-2px);
}

@media (max-width: 768px) {
    .product-card {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

.product-card__icon {
    width: 120px;
    height: 120px;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, var(--color-success) 0%, var(--color-success-light) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    flex-shrink: 0;
}

.product-card__icon img {
    width: 80px;
    height: 80px;
}

.product-card__title {
    color: var(--color-success);
    font-size: var(--text-2xl);
    margin-bottom: var(--space-3);
    font-weight: 700;
}

.product-card__actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    align-items: flex-end;
    flex-shrink: 0;
}

@media (max-width: 768px) {
    .product-card__actions {
        align-items: center;
    }
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-size: var(--text-base);
    font-weight: 600;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.btn:hover {
    text-decoration: none;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn:active {
    transform: translateY(0);
}

.btn--primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: var(--color-white);
    box-shadow: 0 4px 15px rgba(30, 58, 95, 0.3);
}

.btn--primary:hover {
    background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
    color: var(--color-white);
}

.btn--accent {
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-light) 100%);
    color: var(--color-primary-dark);
    box-shadow: 0 4px 15px rgba(222, 167, 20, 0.3);
}

.btn--accent:hover {
    background: linear-gradient(135deg, var(--color-accent-light) 0%, var(--color-accent) 100%);
    color: var(--color-primary-dark);
}

.btn--success {
    background: linear-gradient(135deg, var(--color-success) 0%, var(--color-success-light) 100%);
    color: var(--color-white);
    box-shadow: 0 4px 15px rgba(34, 116, 71, 0.3);
}

.btn--success:hover {
    background: linear-gradient(135deg, var(--color-success-light) 0%, var(--color-success) 100%);
    color: var(--color-white);
}

.btn--outline {
    background-color: transparent;
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
    transition: all var(--transition-fast);
}

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

.btn--lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-lg);
}

.btn--sm {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
}

/* --------------------------------------------------------------------------
   Page Header
   -------------------------------------------------------------------------- */
.page-header {
    background: linear-gradient(135deg, var(--color-gray-50) 0%, rgba(249, 250, 251, 0.5) 100%);
    padding: var(--space-12) 0;
    border-bottom: 1px solid var(--color-gray-200);
}

.page-header__title {
    margin-bottom: var(--space-2);
}

.page-header__breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--color-text-light);
}

.page-header__breadcrumb a {
    color: var(--color-text-light);
}

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

/* --------------------------------------------------------------------------
   Content Styles
   -------------------------------------------------------------------------- */
.content {
    padding: var(--space-4) 0;
}

.content h2 {
    margin-top: var(--space-10);
    padding-top: var(--space-6);
    border-top: 1px solid var(--color-gray-200);
}

.content h2:first-child {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
}

.content img {
    border-radius: var(--radius-lg);
    margin: var(--space-8) 0;
    box-shadow: var(--shadow-lg);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.content img:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-xl);
}

.two-col img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

/* Two Column Layout */
.two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
    align-items: center;
}

@media (max-width: 768px) {
    .two-col {
        grid-template-columns: 1fr;
    }
}

.two-col--sidebar {
    grid-template-columns: 2fr 1fr;
}

@media (max-width: 768px) {
    .two-col--sidebar {
        grid-template-columns: 1fr;
    }
}

/* Sidebar */
.sidebar {
    position: sticky;
    top: calc(var(--header-height) + var(--space-6));
}

.sidebar__box {
    background-color: var(--color-gray-50);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    margin-bottom: var(--space-6);
}

.sidebar__title {
    font-size: var(--text-lg);
    margin-bottom: var(--space-4);
    color: var(--color-primary);
}

.sidebar__nav {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar__nav li {
    margin-bottom: var(--space-2);
}

.sidebar__nav a {
    display: block;
    padding: var(--space-2) var(--space-3);
    color: var(--color-text);
    border-radius: var(--radius-sm);
    font-size: var(--text-sm);
}

.sidebar__nav a:hover {
    background-color: var(--color-gray-200);
    text-decoration: none;
}

/* --------------------------------------------------------------------------
   Feature List
   -------------------------------------------------------------------------- */
.feature-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.feature-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-4);
    margin-bottom: var(--space-5);
    padding-left: 0;
    font-size: var(--text-lg);
    color: var(--color-text);
}

.feature-list li::before {
    content: "✓";
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    min-width: 28px;
    background: linear-gradient(135deg, var(--color-success) 0%, var(--color-success-light) 100%);
    color: var(--color-white);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 700;
    flex-shrink: 0;
    margin-top: 2px;
}

/* --------------------------------------------------------------------------
   Info Box / Callout
   -------------------------------------------------------------------------- */
.callout {
    padding: var(--space-4) var(--space-5);
    border-radius: var(--radius-md);
    margin: var(--space-6) 0;
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
}

.callout--info {
    background-color: #eff6ff;
    border-left: 4px solid #3b82f6;
}

.callout--warning {
    background-color: #fef3c7;
    border-left: 4px solid #f59e0b;
}

.callout--success {
    background-color: #ecfdf5;
    border-left: 4px solid var(--color-success);
}

.callout__icon {
    flex-shrink: 0;
    font-size: var(--text-xl);
}

/* --------------------------------------------------------------------------
   Tables
   -------------------------------------------------------------------------- */
.table-wrapper {
    overflow-x: auto;
    margin: var(--space-6) 0;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--text-sm);
}

th, td {
    padding: var(--space-3) var(--space-4);
    text-align: left;
    border-bottom: 1px solid var(--color-gray-200);
}

th {
    background-color: var(--color-gray-50);
    font-weight: 600;
    color: var(--color-text-heading);
}

tr:hover {
    background-color: var(--color-gray-50);
}

/* --------------------------------------------------------------------------
   Help Page Styles
   -------------------------------------------------------------------------- */
.help-section {
    padding-top: var(--space-8);
    margin-top: var(--space-8);
    border-top: 1px solid var(--color-gray-200);
}

.help-section:first-of-type {
    padding-top: 0;
    margin-top: 0;
    border-top: none;
}

.help-section__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-4);
}

.help-section__title {
    color: var(--color-success);
    margin-bottom: 0;
}

.back-to-top {
    font-size: var(--text-sm);
    color: var(--color-text-light);
}

/* --------------------------------------------------------------------------
   AppSource Badge
   -------------------------------------------------------------------------- */
.appsource-badge {
    display: inline-block;
    transition: transform var(--transition-fast);
}

.appsource-badge:hover {
    transform: scale(1.05);
}

.appsource-badge img {
    max-width: 200px;
    height: auto;
}

/* --------------------------------------------------------------------------
   Contact Info
   -------------------------------------------------------------------------- */
.contact-info {
    margin-bottom: var(--space-6);
}

.contact-info__label {
    font-weight: 600;
    color: var(--color-text-heading);
    margin-bottom: var(--space-2);
}

.contact-info address {
    font-style: normal;
    line-height: 1.8;
}

/* --------------------------------------------------------------------------
   Social Links
   -------------------------------------------------------------------------- */
.social-links {
    display: flex;
    gap: var(--space-4);
    flex-wrap: wrap;
}

.social-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    background: linear-gradient(135deg, var(--color-gray-50) 0%, var(--color-gray-100) 100%);
    border-radius: var(--radius-md);
    color: var(--color-text);
    font-size: var(--text-sm);
    font-weight: 500;
    transition: all var(--transition-fast);
    border: 1px solid var(--color-gray-200);
}

.social-link:hover {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: var(--color-white);
    text-decoration: none;
    border-color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.social-link img {
    width: 20px;
    height: 20px;
    filter: brightness(0);
}

.social-link:hover img {
    filter: brightness(2) invert(1);
}

/* --------------------------------------------------------------------------
   Utility Classes
   -------------------------------------------------------------------------- */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-sm { font-size: var(--text-sm); }
.text-lg { font-size: var(--text-lg); }
.text-xl { font-size: var(--text-xl); }

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

.mt-0 { margin-top: 0; }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mt-10 { margin-top: var(--space-10); }

.mb-0 { margin-bottom: 0; }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }

.pt-0 { padding-top: 0; }
.pb-0 { padding-bottom: 0; }

.hidden { display: none; }

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* --------------------------------------------------------------------------
   Print Styles
   -------------------------------------------------------------------------- */
@media print {
    .site-header,
    .site-banner,
    .site-footer,
    .nav-toggle,
    .back-to-top {
        display: none;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.5;
    }
    
    a {
        color: inherit;
        text-decoration: underline;
    }
}